CN208241587U - Highly integrated intelligent power module and electrical equipment - Google Patents
Highly integrated intelligent power module and electrical equipment Download PDFInfo
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- CN208241587U CN208241587U CN201820918299.2U CN201820918299U CN208241587U CN 208241587 U CN208241587 U CN 208241587U CN 201820918299 U CN201820918299 U CN 201820918299U CN 208241587 U CN208241587 U CN 208241587U
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Abstract
The utility model discloses a kind of highly integrated intelligent power module and electrical equipment, which includes: rectifier bridge, is rectified into DC power supply for accessing AC power source, and by AC power source；Control module, for exporting first control signal and second control signal；Power switching modules, for being worked according to first control signal, so that its pfc circuit constituted carries out Active PFC to DC power supply；Multiple power modules, for driving corresponding loaded work piece according to the DC power supply after second control signal and Active PFC；And installation carrier, control module, rectifier bridge, power switching modules and multiple power modules are integrated on installation carrier.The utility model solves when electric-controlled plate is realized using multiple discrete components that device is more, causes air conditioner assembly complicated and the power consumption of itself is larger, fever etc. is also more serious, leads to the thermal efficiency of air-conditioning, is unfavorable for the problem of air conditioner realizes energy-saving and emission-reduction.
Description
Technical Field
The utility model relates to an integrated circuit technical field, in particular to high integrated intelligent power module and electrical equipment.
Background
With the development of scientific and technological progress and social productivity, the problems of resource excessive consumption, environmental pollution, ecological destruction, climate warming and the like are increasingly prominent, and the green development, energy conservation and emission reduction become the transformation development direction of various enterprises and industrial fields. Therefore, how to reduce energy consumption of refrigeration equipment with large energy consumption, such as air conditioners, refrigerators and the like, and energy conservation becomes an effort direction of researchers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high integrated intelligent power module and electrical equipment, aim at improving integrated intelligent power module's integrated level, realize the integration drive control of fan and compressor, reduce the volume of automatically controlled board, the problem of easy to assemble realizes energy saving and emission reduction.
In order to achieve the above object, the utility model provides a high integrated intelligent power module, high integrated intelligent power module includes:
the rectifier bridge is used for connecting an alternating current power supply and rectifying the alternating current power supply into a direct current power supply;
the power switch module is used for correcting the direct-current power supply output by the rectifier bridge;
the control module is used for outputting a control signal;
the power modules are used for driving corresponding loads to work according to the control signals and the direct-current power supply corrected by the power switch module; and
the control module, the rectifier bridge, the power switch module and the plurality of power modules are integrated on the mounting carrier; wherein,
the input end of the rectifier bridge is used for connecting an alternating current power supply, and the output end of the rectifier bridge is connected with the input end of the power switch module; the output end of the power switch module is connected with the power supply input ends of the power modules; and the control ends of the control module are correspondingly connected with the controlled ends of the power switch module and the controlled ends of the power modules one by one.
Optionally, the number of the power modules is two, and the power modules are respectively a fan driving power module and a compressor driving power module.
Optionally, the control module includes an MCU, a PFC driver chip, a fan power driver chip, and a compressor power driver chip, the MCU has a first control end, a plurality of second control ends, and a plurality of third control ends, and the first control end of the MCU is connected to a signal input end of the PFC driver chip; a plurality of second control ends of the MCU are correspondingly connected with a plurality of signal input ends of the fan power driving chip one by one; a plurality of third control ends of the MCU are correspondingly connected with a plurality of signal input ends of the compressor power driving chip one by one;
the signal output end of the PFC driving chip is connected with the controlled end of the power switch module;
a plurality of output ends of the fan power driving chip are correspondingly connected with a plurality of controlled ends of the fan driving power module one by one;
and a plurality of output ends of the compressor power driving chip are connected with a plurality of controlled ends of the compressor driving power module in a one-to-one correspondence manner.
Optionally, the fan power driving chip drives the fan driving power module to work according to the detected current signal, voltage signal and temperature signal of the fan driving power module based on the control of the MCU;
the compressor power driving chip is controlled by the MCU and drives the compressor driving power module to work according to the detected current signal, voltage signal and temperature signal of the compressor driving power module;
and the PFC driving chip drives the power switch module to work based on the control of the MCU and according to the detected current signal, voltage signal and temperature signal of the compressor driving power module.
Optionally, the control module further includes a rectifier bridge protection chip, and a detection end of the rectifier bridge protection chip is connected to an output end of the rectifier bridge.
Optionally, the PFC driver chip, the fan power driver chip, and the compressor power driver chip are packaged as an integrated chip.
Optionally, the PFC driver chip and the fan power driver chip are packaged as an integrated chip, or the PFC driver chip and the compressor power driver chip are packaged as an integrated chip.
Optionally, the fan power driving chip and the compressor power driving chip are packaged as an integrated chip.
Optionally, the fan driving power module includes a fan power driving chip and a fan driving inverter circuit, a plurality of signal input ends of the fan power driving chip are connected to a plurality of control ends of the control module in a one-to-one correspondence manner, and a plurality of output ends of the fan power driving chip are connected to a plurality of controlled ends of the fan power module in a one-to-one correspondence manner.
Optionally, the fan power driving chip and the fan power module are packaged as an integrated chip.
Optionally, the compressor driving power module includes a compressor power driving chip and a compressor driving inverter circuit, a plurality of signal input ends of the compressor power driving chip are connected to a plurality of control ends of the control module in a one-to-one correspondence, and a plurality of output ends of the compressor power driving chip are connected to a plurality of controlled ends of the compressor power module in a one-to-one correspondence.
Optionally, the compressor power driver chip and the compressor power module are packaged as an integrated chip.
Optionally, the power switch module includes a PFC driver chip and a passive PFC unit, where a signal input end of the PFC driver chip is connected to the control end of the control module, and a signal output end of the PFC driver chip is connected to the controlled end of the passive PFC unit.
Optionally, the PFC driver chip and the passive PFC unit are packaged as an integrated chip.
Optionally, the PFC unit includes a power switch tube, a first diode, and a first lead-out terminal and a second lead-out terminal for respectively connecting to an external switching power supply, a gate of the power switch tube is connected to the control end of the control module, an emitter of the power switch tube is connected to the first lead-out terminal, a collector of the power switch tube is connected to an anode of the first diode, and a cathode of the first diode is used for connecting to the external switching power supply via the second lead-out terminal.
Optionally, the PFC unit further includes a second diode, an anode of the second diode is connected to an anode of the power switch, and a cathode of the second diode is connected to a collector of the power switch.
Optionally, the PFC unit further includes an inductor, a first end of the inductor is connected to the rectifier bridge and/or the collector of the power switch tube, and a second end of the inductor is connected to the first diode.
Optionally, the highly-integrated smart power module further includes a package housing, and the package housing covers the mounting carrier, and the control module, the rectifier bridge, the power switch module, and the plurality of power modules integrated on the mounting carrier.
Optionally, the highly-integrated smart power module further includes an encapsulation housing, and the encapsulation housing is wrapped around the mounting carrier, the control module, the rectifier bridge, the power switch module, and the plurality of power modules.
Optionally, the mounting carrier is a PCB board and/or a lead frame.
The utility model also provides an electrical equipment which comprises the high-integration intelligent power module; the highly integrated smart power module includes: the rectifier bridge is used for connecting an alternating current power supply and rectifying the alternating current power supply into a direct current power supply; the control module is used for outputting a first control signal and a second control signal; the power switch module is used for working according to the first control signal so that a PFC circuit formed by the power switch module can correct the power factor of the direct-current power supply; the power modules are used for driving corresponding loads to work according to the second control signals and the direct-current power supply corrected by the power factors; and the control module, the rectifier bridge, the power switch module and the power modules are integrated on the mounting carrier.
Optionally, the electrical appliance is an air conditioner or a refrigerator.
The utility model discloses high integrated intelligent power module is through setting up the installation carrier to on control module, rectifier bridge, power switch module and a plurality of power module integration and installation carrier, and through control module, output control signal is with control power switch module work, so that the PFC circuit that makes its constitute is right DC power supply carries out the power factor and rectifies, still will carry out the direct current output after the power factor is rectified to power module simultaneously, and export corresponding control signal at control module, in order to control a plurality of the load work that the power module drive corresponds. The utility model discloses a with control module, the rectifier bridge, on power switch module and a plurality of power module integration and the installation carrier, need not the wire and connect, can shorten control module and rectifier bridge, distance between power switch module and a plurality of power module, and reduce the wire jumper overlength and too much electromagnetic interference who arouses, in addition will above each functional module integration on an installation carrier, can improve integrated intelligent power module's integrated level, realize the integration drive control of fan and compressor, thereby reduce the volume of automatically controlled board, easy to assemble. Meanwhile, the components of the electric control board can be reduced, the PCB layout of the electric control board is simplified, and the production cost of the air conditioner is effectively reduced. The utility model provides an equal automatically controlled board of automatically controlled board adopt discrete components and parts when realizing the device more, lead to the air conditioner assembly complicated to and the consumption of self is great, and the maintenance rate and the manufacturing cost of air conditioner are higher, are unfavorable for the problem of the stable use of air conditioner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the highly integrated intelligent power module of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the control module of FIG. 1;
fig. 3 is a schematic structural diagram of an embodiment of a plurality of power modules in fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Mounting carrier | 40 | Multiple power modules |
| 10 | Rectifier bridge | 41 | Fan driving power module |
| 20 | Power switch module | 42 | Compressor driving power module |
| 30 | Control module | 411 | Fan power driving chip |
| 31 | PFC driving chip | 412 | Fan driving inverter circuit |
| 32 | Fan power driving chip | 421 | Compressor power driving chip |
| 33 | Compressor power driving chip | 422 | Compressor driving inverter circuit |
| 34 | Rectifier bridge protection chip |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a high integrated intelligent power module is applicable to among electrical equipment such as air conditioner, refrigerator.
In many electrical appliances such as air conditioners, washing machines, refrigerators, and the like, motors are provided to drive other loads to operate. For example, a conventional air conditioner generally includes an indoor unit and an outdoor unit, wherein the outdoor unit and the indoor unit are both provided with a motor and an electric control board for driving the motor to operate. Regarding the electric control board of the outdoor unit, the electric control board of the outdoor unit is mostly provided with an intelligent power module for driving the compressor, an intelligent power module for driving the fan, a main control module, a power module and other functional modules. These functional modules adopt the circuit module of discrete or partial integration to realize mostly, and the scattered each part of arranging at automatically controlled PCB board, but because automatically controlled board self structure, strong and weak electric isolation, prevent signal interference, heat dissipation etc. requirement, require the interval between each functional module to guarantee in safe distance for the automatically controlled board of off-premises station's volume is great, is unfavorable for the installation. Or disperse these on polylith circuit board, adopt the mode of wire jumper again to realize between main control module and other functional modules to and mutual electrical connection between each functional module, but the dispersion sets up each functional module and can lead to the wire jumper more and long, leads to electrical apparatus EMC performance to descend. And the electric control board of these two kinds of structures all can appear the device of electric control board more, lead to the assembly of off-premises station complicated, still can increase the manufacturing cost of air conditioner simultaneously, and the maintenance rate also can increase, is unfavorable for the stable use of air conditioner. More importantly, when the electric control board is realized by adopting a plurality of components, the energy consumption of the components is large, the heating is serious, the heat efficiency of the air conditioner is caused, and the realization of energy conservation and emission reduction of the air conditioner is not facilitated.
In order to solve the above problem, referring to fig. 1, in an embodiment of the present invention, the high-integrated smart power module includes: a mounting carrier 100, and a rectifier bridge 10, a power switch module 20, a control module 30 and a plurality of power modules 40 integrated on the mounting carrier 100.
In this embodiment, an input end of the rectifier bridge 10 is used for accessing an ac power supply, and an output end of the rectifier bridge 10 is connected to an input end of the power switch module 20; the output end of the power switch module 20 is connected with the power input ends of a plurality of power modules; the control terminals of the control module 30 are connected to the controlled terminal of the power switch module 20 and the controlled terminals of the power modules in a one-to-one correspondence.
In this embodiment, the rectifier bridge 10 is configured to rectify an accessed ac power supply into a dc power supply;
the power switch module 20 is used for correcting the direct-current power supply output by the rectifier bridge 10;
a control module 30 for outputting a control signal;
and the power modules 40 are used for driving corresponding loads to work according to the control signals and the direct-current power supply corrected by the power switch module 20.
In this embodiment, the mounting carrier 100 may be implemented by a circuit substrate made of a PCB, a lead frame, a cardboard, a half-glass fiber board, a glass fiber board, and the like, and the shape of the mounting carrier 100 may be determined according to specific positions and sizes of the control module 30, the rectifier bridge 10, the power switch module 20, and the plurality of power modules 40 integrated on the mounting carrier 100 in the highly integrated intelligent power module, and may be a square shape, but is not limited to a square shape. In a specific implementation, the control module 30, the rectifier bridge 10, the power switch module 20, and the plurality of power modules 40 may be disposed on one mounting carrier 100 to be integrally disposed as a highly integrated intelligent power module, or may be separately disposed on two mounting carriers 100 and then packaged into a whole by a packaging material.
The mounting carrier 100 is further provided with an insulating layer and a circuit wiring layer. The insulating layer is made of thermoplastic glue or thermosetting glue, so as to realize the fixed connection and insulation between the mounting carrier 100 and the circuit wiring layer. The circuit wiring layer forms corresponding lines and corresponding mounting locations, i.e., pads, on the mounting carrier 100 for mounting the control module 30, the rectifier bridge 10, the power switch module 20, and each of the plurality of power modules 40, according to the circuit design of the highly integrated smart power module. Specifically, after an insulating layer is provided on a mounting substrate, a copper foil is laid on the insulating layer, and the copper foil is etched in accordance with a preset circuit design, thereby forming a circuit wiring layer. After electronic components of the circuit modules such as the control module 30, the rectifier bridge 10, the power switch module 20, and the plurality of power modules 40 are integrated in the circuit wiring layer on the mounting carrier 100, the circuit modules can be electrically connected to each other by metal leads.
In this embodiment, the rectifier bridge 10 may be implemented by combining four surface mount diodes, and the rectifier bridge 10 formed by the four surface mount diodes converts the input ac power into dc power and outputs the dc power.
In this embodiment, the power switch module 20 may be implemented by only a PFC switch, or may further form a PFC circuit with other components such as a diode and an inductor to implement power factor correction on the dc power supply. The PFC circuit may be implemented by a passive PFC circuit to form a boost PFC circuit, a buck PFC circuit, or a boost PFC circuit. It is understood that, in practical applications, the positions and the connection relationship between the power switch module 20 and the rectifier bridge may be adaptively adjusted according to the setting type of the PFC circuit, and are not limited herein. The power switch module 20 adjusts the power factor of the dc power input by the rectifier bridge 10 based on the control of the control module 30, and the adjusted dc power can generate driving voltages of various values, for example, voltages of 5V, 15V, etc., through an external switching power circuit, and is respectively used for supplying power to the MCU and each IPM driver IC.
In this embodiment, the control module 30 may have a driving circuit unit and a control circuit unit, and the driving circuit unit further integrates a real-time detection circuit capable of continuously detecting parameters of current, temperature, voltage, and the like of each element in the rectifier bridge 10, the power switch module 20, and the power module, and when a fault such as a severe overload, a direct short circuit, or an overheating temperature, an overvoltage of driving voltage, and the like occurs, the control circuit unit can control the soft turn-off of the power element in the power module, and simultaneously send a fault signal to the control circuit unit, so that the control circuit unit controls the other circuit modules to operate, thereby preventing the other circuit modules from being damaged due to the fault. In addition, a bridge arm pair tube interlocking circuit and a driving power supply under-voltage protection circuit can be integrated in the control module 30, so that the power module can be ensured to run safely and stably.
Each power module is integrated with a plurality of power switching tubes, and the plurality of power switching tubes form a driving inverter circuit, for example, six power switching tubes form a three-phase inverter bridge circuit, or four power switching tubes form a two-phase inverter bridge circuit. The three-phase inverter bridge circuit comprises a three-phase upper bridge arm power switch tube and a three-phase lower bridge arm power switch tube, wherein the three-phase upper bridge arm power switch tube and the three-phase lower bridge arm power switch tube can be completely or partially realized by MOS tubes and completely or partially realized by IGBT tubes, and six power switch tubes in the three-phase upper bridge arm power switch tube and the three-phase lower bridge arm power switch tube can be realized by IGBT tubes. The two-phase inverter bridge circuit comprises two-phase upper bridge arm power switching tubes and two-phase lower bridge arm power switching tubes, wherein the two-phase upper bridge arm power switching tubes and the two-phase lower bridge arm power switching tubes can be completely or partially realized by MOS (metal oxide semiconductor) tubes and completely or partially realized by IGBT (insulated gate bipolar transistor), and four power switching tubes in the two-phase upper bridge arm power switching tubes and the two-phase lower bridge arm power switching tubes can be realized by IGBT. It can be understood that the control module 30 and the power module are integrated on the same mounting carrier 100, so that the distance between the control module 30 and the power module can be shortened, the driving delay is small, the switching speed of each power switching tube in the power module can be increased, the switching loss and the electromagnetic interference of the power module can be reduced, and the power module can be ensured to operate reliably for a long time.
The utility model discloses high integrated intelligent power module is through setting up installation carrier 100 to on control module 30, rectifier bridge 10, power switch module 20 and a plurality of power module 40 integration and installation carrier 100, and through control module 30, the drive power switch module 20 will the direct current voltage of rectifier bridge 10 output is rectified the back and is exported to control module 30, for control module 30 provides stable operating voltage, still will carry out the direct current power supply output to each power module after the power factor is rectified simultaneously, and export corresponding control signal at control module 30, with the load work that a plurality of power module 40 drive correspond of control. The utility model discloses a with control module 30, rectifier bridge 10, on power switch module 20 and a plurality of power module 40 integration and installation carrier 100, need not the wire and connect, can shorten control module 30 and rectifier bridge 10, distance between power switch module 20 and a plurality of power module 40, and reduce the electromagnetic interference that the wire jumper overlength reaches too much arouse, in addition each function module integration above will be on an installation carrier 100, can improve integrated intelligent power module's integrated level, realize a plurality of loads, for example, the integration drive control of fan and compressor, thereby reduce the volume of automatically controlled board, easy to assemble. Meanwhile, the components of the electric control board can be reduced, the PCB layout of the electric control board is simplified, and the production cost of the air conditioner is effectively reduced. The utility model provides an automatically controlled board adopt a plurality of discrete components and parts when realizing the device more, lead to the air conditioner assembly complicated to and the consumption of self is great, and it is also more serious to generate heat etc. leads to the thermal efficiency of air conditioner, is unfavorable for the air conditioner to realize energy saving and emission reduction's problem.
It should be noted that, at present, the research direction of energy saving in the industry still stays in improving the performance of the household electrical appliances, and researching the frequency conversion control, energy recovery and the like of the household electrical appliances, because the manufacturers producing chips in the industry do not produce electrical appliances, and the manufacturers producing electrical appliances do not produce chips, and from the market perspective, the higher the chip integration level is, the higher the chip cost is, the narrower the market application range is on the contrary, and conversely, the lower the chip integration level is, the lower the chip cost is, and the market application range is wider on the contrary, so the manufacturers producing chips basically cannot research towards the high integration direction, but the patent provides a new path and direction for further energy saving and overcoming the industry bias, starting from the intelligent power module controlling the load work, and providing the high integration intelligent power module for energy saving of the industry research electrical appliances.
Referring to fig. 1 and 3, in an alternative embodiment, the number of the power modules is two, and the power modules are a fan driving power module 41 and a compressor driving power module 42.
In this embodiment, the fan driving power module 41 integrated in the high-integration intelligent power module is used for driving the wind wheel motor, and the compressor driving power module 42 is used for driving the compressor motor, but in other embodiments, the power module may also be used for driving frequency converters and various inverter power supplies of other motors, and is applied to the fields of variable frequency household appliances such as variable frequency speed regulation, metallurgical machinery, electric traction, servo drive, air conditioning, and the like. The fan driving power module 41 and the compressor driving power module 42 are respectively integrated with a plurality of power switching tubes such as IGBTs and MOS tubes, the number of the plurality of power switching tubes may be four or six, the specific number may be set according to the type of the motor, the driving power, and the like, and the present disclosure is not limited thereto.
Referring to fig. 1 and 2, in an alternative embodiment, the control module 30 includes an MCU, a PFC driver chip 31, a fan power driver chip 32, and a compressor power driver chip 33, where a first control end of the MCU is connected to a signal input end of the PFC driver chip 31; the second control ends of the MCU are correspondingly connected with the signal input ends of the fan power driving chip 32 one by one; a plurality of third control ends of the MCU are connected to a plurality of signal input ends of the compressor power driving chip 33 in a one-to-one correspondence; a plurality of output ends of the fan power driving chip 32 are connected with a plurality of controlled ends of the fan driving power module 41 in a one-to-one correspondence manner; a plurality of output terminals of the compressor power driving chip 33 are connected to a plurality of controlled terminals of the compressor driving power module 42 in a one-to-one correspondence.
In this embodiment, the MCU is integrated with a timing controller, a memory, a data processor, and a software program and/or module stored in the memory and operable on the data processor, and outputs a corresponding timing control signal to the PFC driver chip 31, the fan power driver chip 32, and the compressor power driver chip 33 by operating or executing the software program and/or module stored in the memory and calling the data stored in the memory, so that the PFC driver chip 31 converts the received timing control signal into a corresponding driving signal to drive the power switch tube in the power switch module 20 to operate. The fan power driving chip 32 converts the received timing control signal into a corresponding driving signal to drive the corresponding power switch tube in the fan power driving chip 32 to turn on/off, thereby driving the fan to work. And the compressor power driving chip 33 converts the received timing control signal into a corresponding driving signal to drive the corresponding power switching tube in each power module to turn on/off, so as to drive the compressor to work.
Referring to fig. 1 and fig. 2, in the above embodiment, the fan power driving chip 32, the compressor power driving chip 33, and the PFC driving chip 31 are respectively provided with a temperature detection circuit, a current detection circuit, a voltage detection circuit, and other real-time detection circuits to continuously detect parameters of current, temperature, voltage, and the like of each element in the rectifier bridge 10, the power switch module 20, and the power module, respectively, and when a fault such as a severe overload, a direct short circuit, or an overheating temperature, an overvoltage of driving voltage, and the like occurs, the power element in the power module can be controlled to be turned off, and a fault signal is sent to the control circuit unit, so that the control circuit unit controls the other circuit modules to operate, thereby preventing the other circuit modules from being damaged due to the fault.
Specifically, the fan power driving chip 32 drives the fan driving power module 41 to operate according to the detected current signal, voltage signal and temperature signal of the fan driving power module 41 under the control of the MCU; the compressor power driving chip 33 drives the compressor driving power module 42 to work according to the detected current signal, voltage signal and temperature signal of the compressor driving power module 42 based on the control of the MCU; the PFC driving chip 31 drives the power switch module 20 to operate according to the detected current signal, voltage signal and temperature signal of the PFC driving chip under the control of the MCU.
It will be appreciated that the fan power driver chip 32 and the compressor power driver chip 33 typically each have a high side power driver circuit including a three phase high side driver unit and a low side power driver circuit including a three phase low side driver unit. In this embodiment, the number of the fan power driving chip 32 and the number of the compressor power driving chip 33 may be one or more. For example, when the number of the fan power driving chips 32 is one, the three-phase high-voltage side driving unit and the three-phase low-voltage side driving unit are packaged and integrated in the same chip. When the number of the fan power driving chips 32 is two, the three-phase high-voltage side driving unit of the high-voltage side power driving circuit is packaged and integrated in a high-voltage integrated chip, and the three-phase low-voltage side power driving circuit of the low-voltage side power driving circuit is packaged and integrated in another low-voltage integrated chip. When the number of the fan power driving chips 32 is three, each phase high-voltage side driving unit of the three-phase high-voltage side driving units and one phase high-voltage side driving unit of the three-phase low-voltage side driving units are packaged and integrated in the same chip. Or the number of the fan power driving chips 32 can be set to six independent ones, and the six independent fan power driving chips 32 are respectively in one-to-one correspondence with the three-phase upper bridge arm power switching tubes and the three-phase lower bridge arm power switching tubes. The specific arrangement mode may be different according to the internal structure mode of the highly integrated intelligent power module, and is not limited herein.
Referring to fig. 1 and 2, in an alternative embodiment, the PFC driver chip 31, the fan power driver chip 32, and the compressor power driver chip 33 may be individually configured as a single chip, or may be packaged and integrated with other driver chips, i.e. forming an integrated chip, for example, the PFC driver chip 31, the fan power driver chip 32, and the compressor power driver chip 33 may be packaged and integrated in the same chip, or the PFC driver chip 31 and the fan power driver chip 32 are packaged and integrated in the same chip, or the PFC driver chip 31 and the compressor power driver chip 33 are packaged and integrated in the same chip, or the fan power driver chip 32 and the compressor power driver chip 33 are packaged and integrated in the same chip. In this embodiment, the PFC driving chip 31, the fan power driving chip 32 and the compressor power driving chip 33 may be integrated into a single chip. Of course, in other embodiments, the PFC driver chip 31, the fan power driver chip 32, and the compressor power driver chip 33 may be disposed in other forms and other shapes, which are not limited herein.
Referring to fig. 1 and fig. 2, in the above embodiment, the control module 30 may further include a rectifier bridge protection chip 34, and a detection end of the rectifier bridge protection chip 34 is connected to the output end of the rectifier bridge 10.
In this embodiment, the rectifier bridge protection chip 34 integrates a temperature detection circuit, a current detection circuit, and a voltage detection circuit to detect the temperature, the current, and the voltage of the rectifier bridge 10, respectively, and when the rectifier bridge 10 has a short circuit, an overcurrent, or an overheat temperature, an overvoltage driving voltage, or other faults, the rectifier bridge can control the power elements in the power module to be turned off, and control other circuit modules to stop working, so that the working power module stops outputting electric energy.
Referring to fig. 1 and fig. 3, in an alternative embodiment, the fan driving power module 41 includes a fan power driving chip 411 and a fan driving inverter circuit 412, a plurality of signal input ends of the fan power driving chip 411 are connected to a plurality of control ends of the control module 30 in a one-to-one correspondence, and a plurality of output ends of the fan power driving chip 411 are connected to a plurality of controlled ends of the fan driving inverter circuit 412 in a one-to-one correspondence.
In this embodiment, the fan power driving chip 411 and the fan driving inverter circuit 412 may be integrated into an integrated chip, that is, packaged as an integrated chip, so that the fan power driving chip 411 and the fan driving inverter circuit 412 are integrally disposed.
Referring to fig. 1 and 2, in an optional embodiment, the compressor driving power module 42 includes a compressor power driving chip 421 and a compressor driving inverter circuit 422, a plurality of signal input ends of the compressor power driving chip 421 are connected to a plurality of control ends of the control module 30 in a one-to-one correspondence manner, and a plurality of output ends of the compressor power driving chip 421 are connected to a plurality of controlled ends of the compressor driving inverter circuit 422 in a one-to-one correspondence manner.
In this embodiment, the compressor driving power driving chip and the compressor driving inverter circuit 422 may be integrated in an integrated chip, that is, packaged as an integrated chip, so that the compressor driving power driving chip and the compressor driving inverter circuit 422 are integrally disposed.
Referring to fig. 1 to 3, in an alternative embodiment, the power switch module 20 includes a PFC driver chip 31 and a passive PFC unit (not shown), a signal input terminal of the PFC driver chip 31 is connected to a control terminal of the control module 30, and a signal output terminal of the PFC driver chip 31 is connected to a controlled terminal of the passive PFC unit.
In this embodiment, the PFC driver chip 31 and the passive PFC unit may be packaged and integrated in an integrated chip, that is, packaged as an integrated chip, so that the PFC driver chip 31 and the passive PFC unit are integrally configured.
The PFC unit includes a power switch (not shown), a first diode (not shown), a first lead-out terminal and a second lead-out terminal, wherein the first lead-out terminal and the second lead-out terminal are used for being connected to an external switching power supply respectively, a gate of the power switch is connected to a control end of the control module 30, an emitter of the power switch is connected to the first lead-out terminal, the power switch is connected to an anode of the first diode, and a cathode of the first diode is used for being connected to the external switching power supply through the second lead-out terminal. The anode of the first diode is connected with the collector of the power switch tube, the cathode of the diode and the emitter leading-out terminal of the power switch tube so as to be connected with elements in an external switching power supply circuit.
It should be noted that, the PFC unit may further include a second Diode according to a type of the power switch, for example, when the power switch is set as an IGBT, an anode of the second Diode is connected to an anode of the power switch, a cathode of the second Diode is connected to a collector of the power switch, and the second Diode is a high-power anti-parallel Diode (which may be an FRD, fast recovery Diode) and is used for achieving fast turn-off of the power switch. The PFC unit may further include an inductor, a position of the inductor, and a connection relationship between the power switch tube and the first diode, which may be adaptively set according to a type of the PFC unit, and is not limited herein.
It can be understood that, in the above embodiment, the MCU, each bare chip in the power switch module 20, each bare chip in the fan driving power module 41, and each bare chip in the compressor driving power module 42 may be integrated into an independent chip, and then packaged with the power switch tube in each power module for the second time, and integrated to obtain the highly integrated intelligent power module.
Referring to fig. 1 to 3, in an alternative embodiment, the highly integrated smart power module further includes a package housing (not shown) covering the mounting carrier 100 and the control module 30, the rectifier bridge 10, the power switch module 20 and the plurality of power modules 40 integrated on the mounting carrier 100, or the package housing covers the mounting carrier 100 and the outer peripheries of the control module 30, the rectifier bridge 10, the power switch module 20 and the plurality of power modules 40 integrated on the mounting carrier 100.
In the present embodiment, the package housing may be a resin holder of an epoxy resin molding compound, and the package housing may be formed of any one of a thermosetting material and a thermoplastic material.
Specifically, when the package housing may be covered on the mounting substrate, the control module 30, the rectifier bridge 10, the power switch module 20 and the plurality of power modules 40, the highly integrated smart power module does not need to separately provide a heat sink to dissipate heat of the power components in the highly integrated smart power module, and the lower surface of the mounting carrier 100 is exposed outside the package, so that the heat dissipation of the components is accelerated. Or the package casing is wrapped around the mounting carrier 100 and the control module 30, the rectifier bridge 10, the power switch module 20 and the plurality of power modules 40 integrated on the mounting carrier 100, so that the package casing is integrally formed with the mounting substrate, the control module 30, the rectifier bridge 10, the power switch module 20 and the plurality of power modules 40. When the package housing is integrally formed with the mounting carrier 100, the control module 30, the rectifier bridge 10, the power switch module 20, and the plurality of power modules 40, the package housing may be integrally formed by a plastic package or potting process.
The utility model also provides an electrical equipment, electrical equipment includes as above high integrated intelligent power module. The detailed structure of the highly integrated intelligent power module can refer to the above embodiments, and is not described herein again; it can be understood that, because the utility model discloses used above-mentioned high integrated intelligent power module in the air conditioner, consequently, the utility model discloses the embodiment of air conditioner includes all technical scheme of the whole embodiments of above-mentioned high integrated intelligent power module, and the technological effect that reaches is also identical, no longer gives unnecessary details here.
In this embodiment, the electrical equipment may be refrigeration equipment such as an air conditioner and a refrigerator.
The above is only the optional embodiment of the present invention, and not therefore the limit of the patent scope of the present invention, all of which are in the concept of the present invention, the equivalent structure transformation of the content of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (20)
1. A highly integrated smart power module, comprising:
the rectifier bridge is used for connecting an alternating current power supply and rectifying the alternating current power supply into a direct current power supply;
the control module is used for outputting a first control signal and a second control signal;
the power switch module is used for working according to the first control signal so that a PFC circuit formed by the power switch module can correct the power factor of the direct-current power supply;
the power modules are used for driving corresponding loads to work according to the second control signals and the direct-current power supply corrected by the power factors; and
the control module, the rectifier bridge, the power switch module and the plurality of power modules are integrated on the mounting carrier; wherein,
the input end of the rectifier bridge is used for connecting an alternating current power supply, and the output end of the rectifier bridge is connected with the input end of the power switch module; the output end of the power switch module is connected with the power supply input ends of the power modules; and the control ends of the control module are correspondingly connected with the controlled ends of the power switch module and the controlled ends of the power modules one by one.
2. The highly integrated smart power module according to claim 1, wherein the number of power modules is two and is a fan drive power module and a compressor drive power module, respectively.
3. The highly integrated smart power module of claim 2, wherein the control module comprises an MCU, a PFC driver chip, a fan power driver chip, and a compressor power driver chip,
the MCU is provided with a first control end, a plurality of second control ends and a plurality of third control ends, and the first control end of the MCU is connected with the signal input end of the PFC driving chip; a plurality of second control ends of the MCU are correspondingly connected with a plurality of signal input ends of the fan power driving chip one by one; a plurality of third control ends of the MCU are correspondingly connected with a plurality of signal input ends of the compressor power driving chip one by one;
the signal output end of the PFC driving chip is connected with the controlled end of the power switch module;
a plurality of output ends of the fan power driving chip are correspondingly connected with a plurality of controlled ends of the fan driving power module one by one;
and a plurality of output ends of the compressor power driving chip are connected with a plurality of controlled ends of the compressor driving power module in a one-to-one correspondence manner.
4. The highly-integrated intelligent power module according to claim 3, wherein the fan power driving chip drives the fan driving power module to operate according to the detected current signal, voltage signal and temperature signal of the fan driving power module based on the control of the MCU;
the compressor power driving chip is controlled by the MCU and drives the compressor driving power module to work according to the detected current signal, voltage signal and temperature signal of the compressor driving power module;
and the PFC driving chip drives the power switch module to work based on the control of the MCU and according to the detected current signal, voltage signal and temperature signal of the compressor driving power module.
5. The highly integrated smart power module of claim 3, wherein the control module further comprises a rectifier bridge protection chip, a detection terminal of the rectifier bridge protection chip being connected to an output terminal of the rectifier bridge.
6. The highly integrated smart power module of claim 3, wherein the PFC driver chip, the fan power driver chip, and the compressor power driver chip are packaged as an integrated chip.
7. The highly integrated smart power module of claim 3, wherein the PFC driver chip and the fan power driver chip are packaged as an integrated chip, or the PFC driver chip and the compressor power driver chip are packaged as an integrated chip.
8. The highly integrated smart power module of claim 3, wherein said fan power driver chip and said compressor power driver chip are packaged as an integrated chip.
9. The high-integrated intelligent power module according to claim 2, wherein the fan driving power module comprises a fan power driving chip and a fan driving inverter circuit, wherein a plurality of signal input ends of the fan power driving chip are connected with a plurality of control ends of the control module in a one-to-one correspondence manner, and a plurality of output ends of the fan power driving chip are connected with a plurality of controlled ends of the fan power module in a one-to-one correspondence manner.
10. The highly integrated smart power module according to claim 9, wherein said fan power driver chip and said fan power module are packaged as an integrated chip.
11. The high-integration intelligent power module as claimed in claim 2, wherein the compressor driving power module comprises a compressor power driving chip and a compressor driving inverter circuit, wherein a plurality of signal input terminals of the compressor power driving chip are connected with a plurality of control terminals of the control module in a one-to-one correspondence, and a plurality of output terminals of the compressor power driving chip are connected with a plurality of controlled terminals of the compressor power module in a one-to-one correspondence.
12. The highly integrated smart power module as recited in claim 11 wherein said compressor power driver chip and said compressor power module are packaged as an integrated chip.
13. The highly integrated smart power module of claim 1, wherein the power switch module comprises a PFC driver chip and a passive PFC unit, a signal input terminal of the PFC driver chip is connected to a control terminal of the control module, and a signal output terminal of the PFC driver chip is connected to a controlled terminal of the passive PFC unit.
14. The highly integrated smart power module of claim 13 wherein the PFC driver chip and the passive PFC unit are packaged as an integrated chip.
15. The highly integrated smart power module of claim 13, wherein the PFC unit comprises a power switch and a first diode, and a first leading terminal and a second leading terminal for connecting to an external switching power supply, respectively, wherein a gate of the power switch is connected to the control terminal of the control module, an emitter of the power switch is connected to the first leading terminal, a collector of the power switch is connected to an anode of the first diode, and a cathode of the first diode is connected to the external switching power supply via the second leading terminal.
16. The highly integrated smart power module according to any of claims 1 to 15, further comprising an enclosure housing said mounting carrier and said control module, rectifier bridge, power switch module and plurality of power modules integrated on said mounting carrier.
17. The highly integrated smart power module of any of claims 1 to 15, further comprising an encapsulation housing that surrounds the mounting carrier, control module, rectifier bridge, power switch module and plurality of power modules.
18. The highly integrated smart power module according to any of claims 1 to 15, wherein the mounting carrier is a PCB board and/or a lead frame.
19. An electrical device comprising a highly integrated smart power module according to any of claims 1 to 18.
20. The electrical apparatus of claim 19, wherein the electrical apparatus is an air conditioner or a refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918299.2U CN208241587U (en) | 2018-06-13 | 2018-06-13 | Highly integrated intelligent power module and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918299.2U CN208241587U (en) | 2018-06-13 | 2018-06-13 | Highly integrated intelligent power module and electrical equipment |
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| CN208241587U true CN208241587U (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820918299.2U Expired - Fee Related CN208241587U (en) | 2018-06-13 | 2018-06-13 | Highly integrated intelligent power module and electrical equipment |
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| CN (1) | CN208241587U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779892A (en) * | 2019-01-18 | 2019-05-21 | 广东美的制冷设备有限公司 | Electrically-controlled component and air conditioner |
| CN109962658A (en) * | 2019-03-26 | 2019-07-02 | 广东美的制冷设备有限公司 | Integrated form controller and its control method and refrigeration equipment |
| CN110657562A (en) * | 2019-11-01 | 2020-01-07 | 广东美的制冷设备有限公司 | Highly integrated intelligent power module and air conditioner |
-
2018
- 2018-06-13 CN CN201820918299.2U patent/CN208241587U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779892A (en) * | 2019-01-18 | 2019-05-21 | 广东美的制冷设备有限公司 | Electrically-controlled component and air conditioner |
| CN109779892B (en) * | 2019-01-18 | 2020-12-11 | 广东美的制冷设备有限公司 | Electric control assembly and air conditioner |
| US11994328B2 (en) | 2019-01-18 | 2024-05-28 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Electric control assembly and air conditioner |
| CN109962658A (en) * | 2019-03-26 | 2019-07-02 | 广东美的制冷设备有限公司 | Integrated form controller and its control method and refrigeration equipment |
| CN110657562A (en) * | 2019-11-01 | 2020-01-07 | 广东美的制冷设备有限公司 | Highly integrated intelligent power module and air conditioner |
| CN110657562B (en) * | 2019-11-01 | 2025-08-19 | 广东美的制冷设备有限公司 | High-integration intelligent power module and air conditioner |
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