CN218937785U - Experiment bench of power system - Google Patents
Experiment bench of power system Download PDFInfo
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- CN218937785U CN218937785U CN202223273386.2U CN202223273386U CN218937785U CN 218937785 U CN218937785 U CN 218937785U CN 202223273386 U CN202223273386 U CN 202223273386U CN 218937785 U CN218937785 U CN 218937785U
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- 239000004606 Fillers/Extenders Substances 0.000 claims abstract description 74
- 238000012360 testing method Methods 0.000 claims abstract description 50
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- 238000001816 cooling Methods 0.000 claims description 25
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- 239000002699 waste material Substances 0.000 abstract description 3
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- 238000013461 design Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
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- 238000010586 diagram Methods 0.000 description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Abstract
The application relates to the technical field of power system tests, in particular to a power system's experiment bench, wherein, include: a gantry body; the driving motor assembly, the power battery and the power amplifier Cheng Qizong are arranged on the rack body; the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the range extender assembly, and controls one or more of the driving motor assembly, the power battery and the range extender assembly according to the simulation instruction; and the upper computer is communicated with the whole vehicle controller, and generates a simulation instruction based on the test requirement so as to perform experimental test on one or more of the driving motor assembly, the power battery and the range extender assembly. Therefore, the problems of high cost, time waste and the like caused by the fact that the operation of the whole vehicle power system cannot be simulated and the reliability of each module cannot be verified independently in the related art are solved.
Description
Technical Field
The application relates to the technical field of power system tests, in particular to an experimental bench of a power system.
Background
Range extender generally refers to an electric vehicle component capable of providing additional electric energy so that an electric vehicle can increase driving range, and conventionally refers to a combination of an engine and a generator. The extended range electric automobile is an electric automobile which uses other energy sources to supply electric energy under the condition of insufficient battery power; the main working characteristics of the electric power generator are that the electric power generator works in a pure electric mode under most conditions and works in a range-extending mode under few conditions, namely, the electric power generated by the range-extending device is supplied to a motor for driving through a storage battery, and meanwhile, the electric power generator can also charge the battery.
The main modules of the range extender automobile power system comprise an electric drive assembly module, a power battery module and a range extender assembly module, wherein in the development process in the past, the three modules are usually subjected to test verification independently, and after passing, the whole automobile verification is performed.
In the related art, the problem found through the whole vehicle verification is only related to the power module, for example, energy supply is not met when the power battery is low in electric quantity, the range extender is required to supply energy simultaneously, at the moment, the problem that the power is insufficient, shake and the like is caused because the range extender and the electric drive assembly are unstable in output due to the function distribution problem of the battery and the range extender, the whole vehicle can cause development progress to be later on verifying the problem, and later-stage problem verification also requires a whole vehicle to enable cost to be higher, so that project progress and cost management and control are not facilitated.
Disclosure of Invention
The application provides an experiment bench of driving system to solve unable operation of simulating whole car driving system and independently verify the reliability of each module among the correlation technique, lead to the problem such as cost is higher, waste time.
Embodiments of the first aspect of the present application provide a laboratory bench of a power system, comprising: a gantry body; the device comprises a rack body, a driving motor assembly, a power battery and a range extender assembly, wherein the driving motor assembly, the power battery and the range extender assembly are connected through a high-voltage direct-current bus, and the power battery and/or the range extender assembly provide electric energy for the driving motor assembly; the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the range extender assembly, and controls one or more of the driving motor assembly, the power battery and the range extender assembly according to a simulation instruction; the upper computer is communicated with the whole vehicle controller, and generates the simulation instruction based on the test requirement so as to perform experimental test on one or more of the driving motor assembly, the power battery and the range extender assembly.
According to the technical means, the embodiment of the application is communicated with the whole vehicle controller arranged on the rack body through the upper computer, the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the increase Cheng Qizong, so that the whole vehicle controller controls one or more of the driving motor assembly, the power battery and the range extender assembly to carry out experimental tests according to the simulation instructions issued by the upper computer, the rack body can simultaneously meet the control and operation conditions of the range extender assembly, the electric drive assembly and the power battery, the operation of the whole vehicle power system is simulated, and meanwhile, the system can also be used for the calibration and reliability test of the range extender power system, and the whole vehicle sample expense and the whole vehicle assembly time are saved.
Optionally, the power battery is arranged in a water tank.
According to the technical means, the power battery is arranged in the water tank, and the power battery is safely protected, so that hidden dangers caused by overhigh temperature are prevented.
Optionally, the surface of the power cell is provided with one or more temperature sensors.
According to the technical means, the temperature sensor is arranged on the surface of the power battery, so that the temperature of the power battery can be monitored and collected in real time.
Optionally, the method further comprises: one or more dynamometers are arranged on the rack body, wherein each dynamometer is connected with the driving motor assembly through a half shaft.
According to the technical means, the dynamometer and the driving motor assembly are connected through the half shaft and used for simulating whole vehicle driving and energy recovery.
Optionally, the method further comprises: the range extender assembly is respectively connected with the oil consumption instrument, the air inlet system and the exhaust system.
According to the technical means, the fuel consumption meter is used for testing fuel consumption, the exhaust system is used for exhausting waste gas, and the air inlet system is used for guiding air or mixed gas into the engine cylinder.
Optionally, the method further comprises: the power analyzer is respectively connected to the high-voltage direct current bus between the power battery and the range extender assembly and the high-voltage direct current bus between the driving motor assembly and the power battery, and is communicated with the upper computer.
According to the technical means, the power analyzer is respectively connected with the high-voltage direct current bus between the power battery and the range extender assembly and the high-voltage direct current bus between the driving motor assembly and the power battery and used for transmitting electric energy, and the power analyzer is used for measuring parameters such as power, efficiency and the like of devices such as a motor, the power battery and the like.
Optionally, the method further comprises: and the data acquisition system is respectively connected with the power battery and the range extender assembly and is used for acquiring target parameters of the power battery and the range extender assembly.
According to the technical means, the data acquisition system is used for acquiring the target parameters of the power battery and the range extender assembly so as to facilitate the subsequent analysis of the acquired parameters.
Optionally, the data acquisition system communicates with the upper computer, and uploads the target parameters to the upper computer.
According to the technical means, the data acquisition system of the embodiment of the application is communicated with the upper computer, and the acquired target parameters are uploaded to the upper computer so as to facilitate the subsequent analysis of the acquired parameters.
Optionally, the method further comprises: and the first cooling system is connected with the driving motor assembly, the second cooling system is connected with the power battery, and the third cooling system is connected with the range extender assembly.
According to the technical means, the first cooling system is connected with the driving motor assembly, the second cooling system is connected with the power battery, and the third cooling system is connected with the range extender assembly so as to cool the whole system.
Optionally, the range extender assembly includes one or more of a generator, an engine, a generator controller, an engine controller.
Therefore, the application has at least the following beneficial effects:
(1) According to the embodiment of the application, the upper computer is communicated with the whole vehicle controller arranged on the rack body, the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the increase Cheng Qizong, so that the whole vehicle controller controls one or more of the driving motor assembly, the power battery and the range extender assembly to carry out experimental tests according to the simulation instructions issued by the upper computer, the rack body can simultaneously meet the control and operation conditions of the range extender assembly, the electric drive assembly and the power battery, the operation of the whole vehicle power system is simulated, and meanwhile, the whole vehicle power system calibration and reliability test can be also carried out, and the whole vehicle sample car cost and the whole vehicle assembly time are saved.
(2) According to the embodiment of the application, the power battery is arranged in the water tank, the power battery is protected safely, and hidden danger caused by overhigh temperature is prevented.
(3) The surface of the power battery is provided with the temperature sensor so as to monitor and collect the temperature of the power battery in real time.
(4) The dynamometer and the driving motor assembly are connected through the half shaft and used for simulating whole vehicle driving and energy recovery.
(5) In the embodiment of the application, the fuel consumption meter is used for testing fuel consumption, the exhaust system is used for exhausting waste gas, and the air inlet system is used for guiding air or mixed gas into the engine cylinder.
(6) The power analyzer is connected with a high-voltage direct current bus between the power battery and the range extender assembly and a high-voltage direct current bus between the driving motor assembly and the power battery respectively and used for transmitting electric energy, and the power analyzer is used for measuring parameters such as power, efficiency and the like of devices such as a motor, the power battery and the like.
(7) The data acquisition system is used for acquiring target parameters of the power battery and the range extender assembly so as to analyze the acquired parameters conveniently.
(8) The data acquisition system of the embodiment of the application is communicated with the upper computer, and the acquired target parameters are uploaded to the upper computer, so that the acquired parameters can be analyzed later.
(9) According to the embodiment of the application, the first cooling system is connected with the driving motor assembly, the second cooling system is connected with the power battery, and the third cooling system is connected with the range extender assembly so as to cool the whole system.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of an experimental bench of a power system according to an embodiment of the application;
FIG. 2 is a block diagram of a gantry according to an embodiment of the present application;
figure 3 is a building flow chart according to an embodiment of the present application;
FIG. 4 is a flow chart of a performance test according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
The following describes an experimental bench of a power system of an embodiment of the present application with reference to the drawings. The utility model provides a test bench of driving system, in this equipment, through host computer and the whole car controller communication that sets up on the bench body, whole car controller is connected with driving motor assembly, power battery and increase Cheng Qizong respectively, so that whole car controller carries out experimental test according to one or more of the simulation instruction control driving motor assembly of host computer issue, power battery and increase journey ware assembly, make this bench body can satisfy the control and the running condition of increase journey ware assembly, the electric drive assembly, power battery and VCU simultaneously, simulate whole car driving system operation, also can be used for increase journey ware driving system to mark and reliability test simultaneously, whole car sample car expense, whole car assembly time has been saved. Therefore, the problems of high cost, time waste and the like caused by the fact that the operation of the whole vehicle power system cannot be simulated and the reliability of each module cannot be verified independently in the related art are solved.
Specifically, fig. 1 is a schematic diagram of an experimental bench of a power system according to an embodiment of the present application.
As shown in fig. 1, the experimental bench 10 of the power system includes: the device comprises a bench body 100, a driving motor assembly 200, a power battery 300, a range extender assembly 400, a whole vehicle controller 500 and an upper computer 600.
The driving motor assembly 200, the power battery 300 and the range extender assembly 400 are arranged on the rack body 100, the driving motor assembly 200, the power battery 300 and the range extender assembly 400 are connected through a high-voltage direct current bus, and the power battery 300 and/or the range extender assembly 400 provide electric energy for the driving motor assembly 200; the whole vehicle controller 500 is arranged on the rack body 100, the whole vehicle controller 500 is respectively connected with the driving motor assembly 200, the power battery 300 and the increment Cheng Qizong to form 400, and one or more of the driving motor assembly 200, the power battery 300 and the increment Cheng Qizong to form 400 are controlled according to the simulation instruction; the host computer 600 communicates with the vehicle controller 500, and generates a simulation instruction based on the test requirements to perform an experimental test on one or more of the drive motor assembly 200, the power battery 300, and the motor unit Cheng Qizong to 400.
Wherein the range extender assembly 400 includes one or more of a generator, an engine, a generator controller, and an engine controller.
It can be appreciated that in the embodiment of the application, the host computer is in communication with the whole vehicle controller arranged on the rack body, and the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the increase Cheng Qizong, so that the whole vehicle controller controls one or more of the driving motor assembly, the power battery and the range extender assembly to carry out experimental tests according to the simulation instructions issued by the host computer, the rack body can simultaneously meet the control and operation conditions of the range extender assembly, the electric drive assembly and the power battery, simulate the operation of the whole vehicle power system, and can also be used for calibration and reliability test of the range extender power system, thereby saving the cost of the whole vehicle sample and the assembly time of the whole vehicle.
In the present embodiment, the power battery 300 is disposed in a water tank, and the surface of the power battery 300 is provided with one or more temperature sensors.
It can be appreciated that, this application embodiment arranges power battery in the water tank, carries out safety protection to power battery, prevents the hidden danger that the high temperature caused, and the temperature sensor of surface setting to the temperature of power battery is convenient for real-time supervision and gathers.
In the present embodiment, the experimental bench 10 of the power system further includes: a dynamometer.
Wherein, one or more dynamometers are arranged on the rack body 100, and each dynamometer is connected with the driving motor assembly 200 through a half shaft.
It can be appreciated that the dynamometer of the embodiment of the application is connected with the driving motor assembly through the half shaft and is used for simulating the driving of the whole vehicle and the energy recovery.
In the present embodiment, the experimental bench 10 of the power system further includes: fuel consumption meter, air intake system and exhaust system.
Wherein, increase Cheng Qizong becomes 400 and links to each other with oil consumption appearance, air intake system and exhaust system respectively.
It can be appreciated that the fuel consumption meter according to the embodiment of the application is used for testing fuel consumption, the exhaust system is used for exhausting exhaust gas, and the air intake system is used for introducing air or mixed gas into the engine cylinder.
In the present embodiment, the experimental bench 10 of the power system further includes: a power analyzer.
The power analyzer is connected to the high voltage dc bus between the power battery 300 and the range extender assembly 400, and the high voltage dc bus between the driving motor assembly 200 and the power battery 300, respectively, and communicates with the upper computer 600.
It can be understood that the power analyzer of the embodiment of the application is respectively connected with the high-voltage direct current bus between the power battery and the range extender assembly and the high-voltage direct current bus between the driving motor assembly and the power battery, and is used for transmitting electric energy, and the power analyzer is used for measuring parameters such as power, efficiency and the like of devices such as a motor, the power battery and the like.
In the present embodiment, the experimental bench 10 of the power system further includes: and a data acquisition system.
The data acquisition system is respectively connected with the power battery 300 and the range extender assembly 400, and acquires target parameters of the power battery 300 and the range extender assembly Cheng Qizong to 400.
The data acquisition system communicates with the upper computer 600, and uploads the target parameters to the upper computer 600.
It can be appreciated that the data acquisition system of the embodiment of the application is used for acquiring the target parameters of the power battery and the range extender assembly and uploading the acquired target parameters to the upper computer so as to facilitate the subsequent analysis of the acquired parameters.
In the present embodiment, the experimental bench 10 of the power system further includes: first to third cooling systems.
Wherein the first cooling system is connected with the driving motor assembly 200, the second cooling system is connected with the power battery 300, and the third cooling system is connected with the booster Cheng Qizong to form 400.
It is understood that the first to third cooling systems in the embodiments of the present application are respectively connected to the driving motor assembly, the power battery, and the range extender assembly, so as to cool the entire system.
According to the experimental bench of the power system, the upper computer is communicated with the whole vehicle controller arranged on the bench body, the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the increase Cheng Qizong, so that the whole vehicle controller controls one or more of the driving motor assembly, the power battery and the range extender assembly to carry out experimental tests according to the simulation instructions issued by the upper computer, the bench body can simultaneously meet the control and operation conditions of the range extender assembly, the electric drive assembly and the power battery, the whole vehicle power system operation is simulated, and meanwhile, the experimental bench can also be used for the calibration and reliability test of the range extender power system, and the whole vehicle sample expense and the whole vehicle assembly time are saved.
The following will describe the experimental bench of the power system in detail with reference to fig. 2, 3 and 4, and is specifically as follows:
the test bench shown in fig. 2 is used for connecting the electric drive assembly with the dynamometer through a half shaft for simulating the driving of the whole vehicle and the energy recovery, and is connected with a cooling system for cooling; cheng Qizong is added and fixed on the floor of a laboratory, is connected with an oil consumption meter, an air inlet system, a cooling system and an exhaust system, and is connected with a power battery and an electric drive assembly in a whole vehicle connection mode to be used for transmitting electric energy; the power battery is put into a water tank as a safety protection means and then is connected with a cooling system for cooling; the VCU, the range extender assembly, the power battery, the electric drive assembly, the dynamometer and the rack control system are communicated and controlled through the CAN bus, and other devices such as a data acquisition system, a cooling system and the like are connected into the rack control system according to the communication protocol.
The construction flow is shown in fig. 3, and the specific flow is as follows:
step1: build electric drive assembly
The electric drive assembly is installed on the ground through supporting legs, and is connected with an electric power dynamometer shaft through a half-shaft tool or a whole-vehicle half shaft, centering accuracy meets the requirements of a rack, and the installation is considered to be completed after bolts are tightened; connecting the ground wire after the installation is finished, and connecting a cooling system; the high-voltage direct current bus is connected to the wiring port of the power battery by using the whole-vehicle direct current bus, and the connection mode is consistent with the whole-vehicle connection mode; the low-voltage interface is mainly used for communication and is connected with interfaces necessary for ensuring functions, such as positive/negative of a low-voltage power supply, wake-up signals, CAN communication signals and the like; the low-voltage power supply is positively/negatively connected with the rack stabilized voltage power supply to supply power, the wake-up signal is connected with the rack upper computer or VCU, and the CAN communication signal is integrated into the CAN bus.
Step2: construction of a Power Battery
Firstly, an empty water tank needs to be prepared, and a drain switch needs to be arranged at the bottom of the water tank; then placing the power battery into an empty water tank, and filling gaps (recommending stones and bricks) by using a weight if the space between the battery and the water tank is too large after the power battery is placed; the grounding wire is connected; four temperature sensors are uniformly arranged on the surface of the power battery; a water tap with an electronic control switch is arranged above the water tank, and a water path of the water tap is communicated with the circulating water or tap water of the bench; four temperature sensors are connected into a rack data acquisition system, a temperature limit value is set for the temperature sensors, a first-stage audible and visual alarm reminds test personnel, a second-stage rack outputs an emergency stop signal to stop test and test equipment, and a third-stage output signal opens a faucet to fill water into a water tank. Wherein the CAN (Controller Area Network ) communication signals are incorporated into the CAN bus.
Step3: build range extender
The range extender is arranged on the ground through supporting legs, and necessary components required by normal operation of the range extender such as an air inlet pipe, an air filter, an exhaust pipe, a wire harness and the like are arranged according to the whole vehicle; the water inlet and the water outlet are connected with a rack cooling system; the grounding wire is connected; the parameters to be collected and monitored are provided with sensors (such as water temperature, engine oil pressure and the like), and the sensors are connected into a rack data collection system for monitoring; and the ECU (Electronic Control Unit ) is connected, and the CAN communication signals on the ECU control wiring harness are integrated into the CAN bus.
Step4: high voltage line connection
The electric drive assembly, the power battery and the high-voltage line between the range extender are all connected by using the same product as the whole vehicle in an installation and whole vehicle connection mode; if no whole car product exists, the wires with the bearing current not lower than that of the whole car product are used for connection according to a whole car connection mode.
Step5: communication line connection
The electric drive assembly, the battery, the range extender ECU, the VCU and the bench upper computer are connected through the CAN bus, and the communication between the upper computer and other test equipment is not required, because the communication modes of different equipment CAN be different, and the communication CAN be carried out with the upper computer.
Step6: communication debugging
Whether the command can normally respond or not, whether errors are reported or not, and the like are checked from an upper computer whether the command is connected to each device and each sample. If the communication is normal, the test can be started.
The test flow is shown in fig. 4, and the specific test steps are as follows:
1. the test object that can be achieved by this bench structure: and testing whether the output capacity of the electric drive assembly meets the requirement when the range extender provides partial energy when the battery is low in electric quantity, and solving the problems of noise and power continuity of the power system in the situation.
Step1: test bench
Step2: reducing battery power
And (3) disconnecting the communication connection between the range extender and the VCU, controlling the electric drive assembly to operate at the maximum continuous output power through the rack control system until the electric quantity of the power battery is reduced to 6%, and then stopping the machine.
Step3: performing a test
The range extender is connected with the VCU for communication, the range extender works according to VCU control logic, the bench control system simulates the whole vehicle signal (vehicle speed and accelerator position) to be input to the VCU, the VCU controls the electric drive assembly and the range extender to work together, the dynamometer provides resistance, and the dynamometer simulates low-power starting (vehicle speed 0-10km/h and accelerator 0-100), low-power accelerating (according to the speed of accelerating hundred kilometers of the whole vehicle), low-power high-speed running (vehicle speed 10 km/h-max and accelerator 0-100) and records all data in the process.
Step4: analysis of data during Step2
Test qualification standard: 1. the dynamic property meets the design index; 2. in the process, the electric drive assembly outputs steadily, and the rotation speed and torque fluctuation is within the design index; 3. abnormal vibration and noise are avoided in the process; 4. no abnormal report error and no failure of functions in the process.
2. A powertrain reliability test may be performed.
Step1: performing initial performance tests such as an electric drive assembly external characteristic test, a battery charge and discharge capability test, a range extender external characteristic test, a range extender spline size measurement and the like before the test; the engine runs in as necessary.
Step2: and (5) building a test bed.
Step3: extracting the most common working condition from the whole vehicle simulation working conditions, adding the maximum output working condition, and forming a test cycle according to the duration duty ratio in the whole vehicle simulation; and calculating the total duration of the test through the design life of the whole vehicle, and performing a durability test according to the cycle working condition and duration.
Step4: post-test retests were performed following the test item Step 1.
Step5: testing and evaluating; evaluating according to the design technical requirements; the recommended performance is not degraded by more than 5%.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "N" is at least two, such as two, three, etc., unless explicitly defined otherwise.
Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. A power system laboratory bench, comprising:
a gantry body;
the device comprises a rack body, a driving motor assembly, a power battery and a range extender assembly, wherein the driving motor assembly, the power battery and the range extender assembly are connected through a high-voltage direct-current bus, and the power battery and/or the range extender assembly provide electric energy for the driving motor assembly;
the whole vehicle controller is respectively connected with the driving motor assembly, the power battery and the range extender assembly, and controls one or more of the driving motor assembly, the power battery and the range extender assembly according to a simulation instruction;
the upper computer is communicated with the whole vehicle controller, and generates the simulation instruction based on the test requirement so as to perform experimental test on one or more of the driving motor assembly, the power battery and the range extender assembly.
2. A laboratory bench according to claim 1, characterized in that said power battery is arranged in a water tank.
3. A laboratory bench according to claim 2, characterized in that the surface of the power cell is provided with one or more temperature sensors.
4. The laboratory bench of claim 1, further comprising:
one or more dynamometers are arranged on the rack body, wherein each dynamometer is connected with the driving motor assembly through a half shaft.
5. The laboratory bench of claim 1, further comprising:
the range extender assembly is respectively connected with the oil consumption instrument, the air inlet system and the exhaust system.
6. The laboratory bench of claim 1, further comprising:
the power analyzer is respectively connected to the high-voltage direct current bus between the power battery and the range extender assembly and the high-voltage direct current bus between the driving motor assembly and the power battery, and is communicated with the upper computer.
7. The laboratory bench of claim 1, further comprising:
and the data acquisition system is respectively connected with the power battery and the range extender assembly and is used for acquiring target parameters of the power battery and the range extender assembly.
8. The laboratory bench of claim 7, wherein said data acquisition system communicates with said host computer and uploads said target parameters to said host computer.
9. The laboratory bench of claim 1, further comprising:
and the first cooling system is connected with the driving motor assembly, the second cooling system is connected with the power battery, and the third cooling system is connected with the range extender assembly.
10. The laboratory bench of any of claims 1-8, wherein said range extender assembly comprises one or more of a generator, an engine, a generator controller, an engine controller.
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| CN202223273386.2U CN218937785U (en) | 2022-12-05 | 2022-12-05 | Experiment bench of power system |
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| CN202223273386.2U CN218937785U (en) | 2022-12-05 | 2022-12-05 | Experiment bench of power system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116593180A (en) * | 2023-05-30 | 2023-08-15 | 重庆长安汽车股份有限公司 | Whole vehicle dynamic performance test method for extended range electric vehicle |
| CN119689247A (en) * | 2024-12-09 | 2025-03-25 | 智新科技股份有限公司 | Durability test system and method for rotating speed ring of electric drive assembly |
-
2022
- 2022-12-05 CN CN202223273386.2U patent/CN218937785U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116593180A (en) * | 2023-05-30 | 2023-08-15 | 重庆长安汽车股份有限公司 | Whole vehicle dynamic performance test method for extended range electric vehicle |
| CN119689247A (en) * | 2024-12-09 | 2025-03-25 | 智新科技股份有限公司 | Durability test system and method for rotating speed ring of electric drive assembly |
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Address after: No. 588 Shuguang Road, Longxing Town, Yubei District, Chongqing, 401135 Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |