WO2016110265A1

WO2016110265A1 - Automatic formula milk maker for home use and control method therefor

Info

Publication number: WO2016110265A1
Application number: PCT/CN2016/070425
Authority: WO
Inventors: 李大伟
Original assignee: 广东顺德雷蒙电器科技有限公司
Priority date: 2015-01-09
Filing date: 2016-01-07
Publication date: 2016-07-14

Abstract

An automatic formula milk maker for home use and a control method therefor. The formula milk maker comprises a machine body provided with a mixer (6), a milk powder-holding cup (24), a milk powder-conveying mechanism, a milk powder-feeding motor (51), a water tank (3), a water supply pipeline, and a control circuit. The mixer (6) is provided with a mixing chamber and a liquid outlet (61), the liquid outlet (61) is in communication with the mixing chamber. The milk powder-conveying mechanism is disposed in the milk powder-holding cup (24), and is transmissively connected to the milk powder-feeding motor (51). The milk powder-holding cup (24) is provided with a milk powder-feeding opening (242) in communication with the mixing chamber. The water tank (3) is in communication with the mixing chamber through the water supply pipeline. The water supply pipeline is provided with a flow sensor (40), a water pump (53), an inflow-water temperature detector (20), and a water-heating container (52). The flow sensor (40) and the inflow-water temperature detector (20) are located between the water-heating container (52) and the water tank (3), so that when the water tank (3) supplies water to the mixer (6), the water flows through the flow sensor (40) and the inflow-water temperature detector (20), and then flows into the water-heating container (52). The electrical components are respectively electrically connected to the control circuit. After acquiring volume information and temperature information of water that flows into the water-heating container (52), the control circuit can control the power of the water-heating container (52) to accurately achieve a required water temperature for making milk.

Description

Household automatic milking machine and control method thereof

Technical field

The invention relates to a household automatic milking machine, in particular to a household automatic milking machine and a control method thereof.

Background technique

The existing household automatic flushing machine comprises a body, the body is provided with a mixer, a material cup, a powder feeding mechanism, a feeding motor, a water tank, a water supply line, a mixer and a control circuit; the mixer is provided with a mixing chamber and a liquid outlet. The liquid outlet is connected with the mixing chamber; the powder feeding mechanism is disposed in the material cup and is connected with the feeding motor, and the material cup is provided with a feeding port communicating with the mixing chamber; the water tank is connected to the mixing chamber through the water supply pipeline. Since the formula generally needs warm water to be adjusted, the body also includes a heating device. The heating device is generally divided into two types, one is for heating the water tank, and the disadvantage is that the water of the water tank is heated for a long time, and the power consumption is large. It even produces harmful substances, and the heating time is long, but the water temperature is controlled accurately; the other is the instant water heating container installed in the water supply pipeline, that is, the hot water heating vessel is provided with a boiling water passage, and the boiling water passage is provided with an inlet. And the outlet, the inlet is connected to the water tank through the water pump, the outlet is connected with the liquid outlet, and the water pump and the water heating container are electrically connected to the control circuit respectively. When the user sets the outlet water temperature and the water output amount, the control circuit controls the working time of the water pump and the water heating container respectively to achieve the purpose of adjusting the outlet water temperature and the water output amount. However, in actual use, since the water flow speed and the initial water temperature of the water tank are unstable, the actual water discharge temperature and the water discharge amount are largely different from the values set by the user. Since the milk that is flushed out is mainly for the baby, and the milk powder used for brewing milk is generally formula milk powder, there are high requirements for water temperature, water quantity, water quality, etc., and the above scheme is difficult to fit or close to the actual one. Milking requirements can easily lead to malnutrition, overnutrition, and stomach upset in infants using the machine.

Summary of the invention

The object of the present invention is to provide a household automatic milking machine and a control method thereof which are simple and reasonable in structure, can accurately control the water temperature and water output, and overcome the deficiencies of the prior art.

The object of the invention is achieved in this way:

The utility model relates to a household automatic flushing machine, comprising a body, the body is provided with a mixer, a material cup, a powder feeding mechanism, a feeding motor, a water tank, a water supply pipeline, a mixer and a control circuit; the mixer is provided with a mixing chamber and a liquid outlet. The liquid outlet is connected with the mixing chamber; the powder feeding mechanism is disposed in the material cup and is connected with the feeding motor, and the material cup is provided with a feeding port communicating with the mixing chamber; the water tank is connected to the mixing chamber through the water supply pipeline; and the characteristic is: The water supply pipeline is provided with a flow sensor, a water pump, a water inlet temperature sensor and a water heating container. The flow sensor and the inlet water temperature sensor are located between the water heating container and the water tank, so that when the water tank supplies water to the mixer, the water flow first passes. Flow sensor and inlet water temperature sensor to water heating container; feeding motor, flow sensor, water pump, water inlet The heater and the water heating container are electrically connected to the control circuit respectively. The flushing machine uses a flow sensor to accurately obtain the amount of water entering the water heating container, and the influent temperature sensor is used to obtain the water temperature information of the water tank. After the combination of the two signals, the control circuit can control the power of the water by controlling the water. To get the exact water temperature accurately.

The object of the present invention can also be solved by the following technical measures:

As a more specific first solution, the water heating container is provided with a boiling water passage inside, the boiling water passage is provided with an inlet and an outlet, the inlet is connected by a flow sensor, a water pump and a water tank, and the inlet water temperature sensor is disposed inside the inlet. The outlet is connected to the mixing chamber of the mixer, and the outlet is further provided with a water temperature sensor, and the water temperature sensor is electrically connected with the control circuit. The water temperature can also be detected by setting the water temperature sensor at the exit. This temperature information can be reflected by the display screen or can be processed internally by the control circuit. If the detected temperature is different from the temperature set by the user, it can be controlled. The circuit further controls the power of the water heating vessel or pump to ensure that the heated water temperature is consistent or closer to the set temperature value.

As a more specific second solution, the feeding port is disposed at the bottom of the cup, and the mixer is located below the feeding port; the powder feeding mechanism includes a powder feeding drive shaft, a powder feeding paddle, a dusting paddle and a stirring paddle, and powder feeding One end of the driving shaft is connected with the feeding motor drive, and the other end of the powder feeding drive shaft extends from the bottom surface of the material cup into the material cup, and is connected with the powder feeding paddle and the stirring paddle, and the powder feeding paddle, the powder discharging paddle and the stirring paddle are sequentially from bottom to top. Set in the material cup, the powder scraping pad is fixedly connected with the material cup and covered above the feeding port, and more than two milk powder cells are arranged on the upper circumference of the powder feeding paddle. The milk powder grid runs up and down, and there is an aisle between the milk powder cells. a bottom of the scraping paddle corresponding to the aisle is provided with a dispersing protrusion; or, the feeding port is disposed at the bottom of the cup, the mixer is located below the feeding port; the powder feeding mechanism is a powder feeding paddle, and the powder feeding paddle comprises a central axis and The powder feeding spiral blade is disposed outside the central shaft, and the bottom of the powder feeding spiral blade is provided with a covering surface for closing the feeding opening, and a pushing surface is arranged between the covering surface and the spiral surface of the bottom of the powder feeding spiral blade.

As a second preferred solution, the stirring paddle is provided with a flexible scraper or a hard scraper, and the flexible scraper or the hard scraper is attached to the inner wall of the cup; the powder feeding spiral of the powder feeding paddle A flexible scraper or a rigid scraper is disposed at the upper end edge of the blade, and the flexible scraper or the rigid scraper is attached to the inner wall of the cup. The flexible scraper or the hard scraper rotates with the stirring paddle or the powder feeding paddle, and when it rotates, the milk powder in the cup loses the support of the wall surface of the cup and falls, so that the milk powder falls to the powder feeding paddle by gravity. On the top, the powdered paddle is sent out of the cup. If there is no flexible scraper or hard scraper, once the milk powder is damp, it is easy to cause the milk powder not to fall into (or fall into the insufficient amount) to the powder feeding paddle, and the brewed milk powder has insufficient content. When a flexible scraper is used for the inner wall of the scraping cup, the cup can have a larger design space. For example, the cup is not necessarily a rotating body, even if the inner wall of the cup is undulating in the circumferential direction, the flexible strip is also rotated during the rotation. Can close the inner wall of the cup and jump with it.

As a more specific third solution, the powder feeding pad is provided with a magnetic block, and a Hall sensor for detecting a magnetic signal of the magnetic block is disposed outside the material cup, and the Hall sensor is electrically connected to the control circuit. By detecting the magnetic signal of the magnetic block and transmitting it to the control circuit, the control circuit can realize the detection of the presence or absence of the powder feeding paddle, the rotation angle, and the like, and control The powder feeding paddle is accurately positioned. When the powder feeding paddle rotates, the Hall sensor acquires the information of the magnetic block at the corresponding position and feeds back to the control circuit, and the control circuit can control the rotation of the feeding motor according to the command input by the user, thereby forming a closed loop control for the purpose of accurate powdering. . In addition, the detection circuit can be set in the control circuit. When the material cup is not installed in position, if the powder sensor still does not detect the signal of the magnetic block after the powder feeding pad has rotated a certain angle, the detecting circuit determines that the material cup is not installed. , thus stopping other work of the whole machine, and even issuing an alarm signal.

As a more specific fourth solution, the corresponding mixer of the body is provided with a cavity, and the mixer is inserted and matched with the cavity, and the front and rear ends of the cavity are further provided with a fixing position, and the front and rear ends of the mixer are provided with a buckle. The position is matched with the fixed position, and the rear end of the mixer is further provided with a ejector pin, and the main body is provided with a total control micro switch, the cavity corresponding to the ejector pin is provided with an opening, and the total control micro switch is disposed at the inner end of the opening. Since the mixer is installed, even if there is water to heat the container, the water flows out through the mixer, but if the mixer is not installed, if the water heats the container, the water is sprayed laterally. If the water temperature is too high, directly Sprayed on the user, causing damage to the user. By adding a master control micro switch, if the mixer is not installed, the master micro switch is open and the flusher cannot work, thus improving the safety of use.

As a more specific fifth solution, the control circuit is further provided with a current detecting circuit for detecting the working current of the feeding motor, a motor driving circuit for controlling the feeding motor, a main control chip and a warning circuit, and an input of the current detecting circuit. The end is electrically connected with the feeding motor, and the output end of the current detecting circuit is electrically connected with the input end of the main control chip, and the output end of the main control chip is electrically connected to the feeding motor through the motor driving circuit, and the warning circuit and the main control chip are electrically connected. connection. The control circuit takes the working current of the feeding motor as a reference value when a certain amount of milk powder is used. At the same time, the current detecting circuit is combined with the current detecting circuit to detect the instantaneous working current of the feeding motor, and the current value is fed back to the main control chip, and the main control chip controls the feeding motor according to the current value. Start and stop. When the instantaneous working current of the feeding motor is less than the reference value, it is the lack of milk powder, and vice versa. When the current detecting circuit obtains the missing powder information, the main control chip can alarm through the warning circuit, or can stop the feeding motor at the same time or alarm for a period of time, and then stop the working of the feeding motor.

And/or, a liquid receiving section is disposed under the liquid outlet of the body, and a container detecting switch device is disposed at the liquid receiving section, and the container detecting switch device is electrically connected to the control circuit. When the container (such as a bottle or a water cup) is placed under the liquid outlet and the milk or water from the liquid outlet can be taken out, the container detecting switch device is triggered to start, and the water pump can be started to avoid no container under the liquid outlet. The outlet is filled with milk or water to improve the safety of its use.

And/or, the lower part of the corresponding water tank is provided with a separate photoelectric liquid level sensor, and the separated photoelectric liquid level sensor is electrically connected with the control circuit, and the water tank is provided with a transparent window at least corresponding to the separated photoelectric liquid level sensor, and the transparent window is provided The light-emitting projections are connected to the body body. The light-transmitting protrusion is tapered and integrally disposed on the inner surface of the water tank; the separation photoelectric liquid level sensor comprises a light-emitting tube, a light-receiving tube and a control module electrically connected to each other, and the light-emitting tube and the light-receiving tube are located Both sides of the center line of the light-transmitting projection. Separate the photoelectric level sensor to determine the water level of the water tank and pass it through The control circuit of the voltage signal feedback is further processed. Compared with the prior art, the movable part such as the magnetic float is not disposed in the water tank, so that the phenomenon that the water level cannot be detected due to the jam of the movable part does not occur. At the same time, it also avoids the difficulty of accumulation of dirt and difficulty in cleaning due to the complicated structure of the installation position of the movable parts. Furthermore, since the water tank is connected to the body separately, if there is no signal from the separated photoelectric level sensor, it can be determined that the water tank is not installed or installed.

As a more specific sixth solution, the control circuit is provided with a WiFi module. After the WiFi module is started, it enters the terminal communication control mode operation, and after the WiFi module is turned off, enters the control panel control mode operation.

The utility model relates to a control method for a household automatic milking machine, which comprises a flushing mode, a milking mode, a water volume adjusting function and a milking milk concentration adjusting function; when the flushing mode is selected, the milking milk concentration adjusting function is invalid, After setting the water output amount, the control circuit controls the amount and temperature of the water flowing out of the liquid outlet by acquiring the flow sensor and the water inlet temperature sensor; when the milking mode is selected, the water volume and the milking concentration are controlled, and then the control is performed. On the one hand, the circuit controls the amount and temperature of the water flowing out of the liquid outlet by acquiring the flow sensor and the water temperature sensor information, and on the other hand, by controlling the feeding stirring paddle to limit the amount of milk powder to be fed into the mixer, and realizing the milking, and In the milking mode, the milk powder is administered in the middle of the effluent, thereby ensuring that a certain amount of clear water flows through the gouache mixing cup to achieve the purpose of rinsing the hydrating mixing cup, and avoiding the milk powder remaining in the gouache mixing cup. More hygienic.

The control method of the household automatic milking machine further comprises a self-cleaning mode. When the self-cleaning mode is selected, the water pumped by the water pump is heated to above 95 degrees Celsius by the water heating container, and is discharged through the liquid outlet, when the water output reaches the set. When the value is fixed, the work stops. The amount of water discharged from the self-cleaning mode is generally limited to between 100 ML and 300 ML.

After the household automatic flushing machine is powered on, it needs to operate the self-cleaning mode once before performing other functional operations. Considering that once the household automatic flushing machine is powered off (unplugging the power supply), it may be stopped for a period of time without using the device. Therefore, after each power-on (plug in the power cord), the internal channel should be cleaned by high-temperature water first. Once, further improve the sanitation of its use. Of course, users can also achieve high temperature disinfection and cleaning by starting this function as needed.

The household automatic milking machine further comprises an outlet water temperature adjustment function, which can adjust the outlet water temperature after selecting the flush mode or the milking mode.

The beneficial effects of the present invention are as follows:

(1) The water heating and temperature control mode of this household automatic milking machine is different from the existing one. After obtaining the flow rate and the inlet water temperature information, the control circuit adjusts the power of the water heating container to boil water, so that the water can reach The set temperature value realizes the scientific brewing milk powder; and, since the household automatic milking machine can accurately control the temperature, the manner of control can be further improved;

(2) This household automatic milking machine also has a water temperature monitoring function, with control circuit, flow sensor, and water inlet The thermostat forms a closed-loop control management, so that the outlet water temperature is closer to or consistent with the set temperature;

(3) This household automatic milking machine can also have at least one detection function of powder feeding mechanism detection, mixer detection, cup missing material detection, milk container detection, water tank and water level detection, which can further enhance the household automatic The intelligence of the milking machine.

DRAWINGS

1 is a schematic exploded view of an embodiment of the present invention.

2 is a schematic exploded view of a portion of the components of FIG. 1.

Fig. 3 is a schematic front view showing the structure of the present invention.

4 is a schematic cross-sectional view of the A-A of FIG. 3.

FIG. 5 is a schematic cross-sectional view of the B-B of FIG. 3. FIG.

Fig. 6 is a schematic exploded view showing an embodiment of a material cup and a powder feeding mechanism according to the present invention.

Fig. 7 is a schematic view showing another angle structure of Fig. 6.

Fig. 8 is a cross-sectional view showing the structure of the C-C of Fig. 3;

Figure 9 is a schematic diagram of the circuit of the present invention.

Figure 10 is a diagram showing the connection relationship between the current detecting circuit, the motor driving circuit and the main control chip in the feeding motor and the control circuit of the present invention.

Figure 11 is a schematic view showing the connection structure of another embodiment of the powder feeding paddle of the present invention.

Figure 12 is a schematic view showing the structure of the slurry of Figure 11 in an operational state.

Figure 13 is a schematic view showing the structure of another working state of the slurry in Figure 11.

Figure 14 is a schematic view showing the connection structure of another embodiment of the cup and the powder feeding mechanism of the present invention.

Figure 15 is a schematic view showing the structure of the slurry of Figure 14.

detailed description

The invention is further described below in conjunction with the drawings and embodiments.

Embodiment 1 Referring to FIG. 1 to FIG. 5 and FIG. 8 to FIG. 10, a household automatic flushing machine includes a body, and the machine body is provided with a mixer 6, a material cup 24, a powder feeding mechanism, a feeding motor 51, and a water tank. 3. The water supply line, the mixer 6 and the control circuit; the mixer 6 is provided with a mixing chamber and a liquid outlet 61, and the liquid outlet 61 communicates with the mixing chamber; the powder feeding mechanism is disposed in the material cup 24, and the feeding motor 51 The transmission cup is provided with a feeding port 242 communicating with the mixing chamber; the water tank 3 is connected to the mixing chamber through a water supply pipe; the water supply pipe is provided with a flow sensor 40, a water pump 53, a water inlet sensor 20 and water The heating container 52, the flow sensor 40 and the water inlet temperature sensor 20 are located between the water heating container 52 and the water tank 3, so that when the water tank 3 supplies water to the mixer 6, the water flow first passes through the flow sensor 40 and the water inlet temperature sensor 20 The water heating container 52; the feeding motor 51, the flow sensor 40, the water pump 53, the water inlet temperature sensor 20, and the water heating container 52 are electrically connected to the control circuit respectively. Pick up. The control circuit includes a control board 59, a power board 58 and an operation display panel 57. The power board 58 and the operation display panel 57 are electrically connected to the control board 59, respectively.

The water heating container 52 is internally provided with a boiling water passage, the boiling water passage is provided with an inlet and an outlet, the inlet is connected with the water tank 3 through the flow sensor 40, the water pump 53, and the inlet water temperature sensor 20 is disposed inside the inlet; the outlet and the mixing The mixing chamber of the device 6 is connected, and an outlet water temperature sensor 30 is further disposed inside the outlet, and the water outlet temperature sensor 30 is electrically connected to the control circuit. The water heating container 52 includes a tube body and a heat generating film. The heat generating film is disposed on the outer wall of the tube. The boiling water passage is formed inside the tube body, and the heating film is electrically connected to the control circuit. The control circuit is provided with a snap-type thermostat 8 for shutting off the power of the water heating vessel 52, and the snap-type thermostat 8 is disposed on the surface of the water heating vessel 52. A fuse 9 for shutting off the power of the water heating vessel 52 is provided in the control circuit, and the fuse 9 is disposed on the surface of the water heating vessel 52.

The body includes a housing assembly 4 including a skeleton assembly, a top housing 41, a front housing 45, a rear housing 43, a left housing 461, a right housing 462, and a base 48, the front housing 45 and the rear housing 43 respectively The top shell 461 and the right shell 462 are respectively disposed on the left and right sides of the skeleton assembly and are respectively fastened to each other, and the top shell 41 and the base 48 are respectively disposed on the upper and lower sides of the skeleton assembly; The top of the left shell 461 and the right shell 462 is provided with a protruding pin 463. The top shell 41 is provided with an opening slot 411 and the protruding pin 463 is engaged with the protruding pin 463. The front shell 45, the rear shell 43, the left shell 461 and the right The lower ends of the shells 462 are connected to the base 48, respectively.

The skeleton assembly includes a main skeleton 42 and a sub-frame 44, and the sub-frame 44 is disposed at an upper front portion of the main skeleton 42. An operation panel 441 is provided on the surface of the sub-frame 44.

A groove is formed in the bottom of the base 48, and a bottom cover 49 is provided in the groove opening.

The outer casing assembly 4 further includes a left reinforcing hoop 471 and a right reinforcing hoop 472. The left reinforcing hoop 471 and the right reinforcing hoop 472 are respectively connected to the inner lower end of the left casing 461 and the inner lower end of the right casing 462, and the bottom of the base 48 corresponds to the inner wall of the groove. The left reinforcing hoop 471 and the right reinforcing hoop 472 are provided with a connection position. The control board 59 and the power board 58 are disposed in recesses in the bottom of the base 48. The operation display panel 57 is located inside the sub-frame 44, and the operation panel 441 is located outside the sub-frame 44 and faces the operation display panel 57.

The bottom of the top case 41 is provided with a concave surface, and the concave side is provided with a quantitative blanking milk powder box 2, and the quantitative milk powder box 2 is provided with a lid 1. The front casing 45 is provided with a mixing chamber 6 for flushing and a tray 7 for supporting the milk container. The surface of the rear case 43 is further provided with a connecting hole, and the connecting hole is connected to the skeleton assembly by a screw, and the plug hole is disposed outside the connecting hole. A water tank 3 is disposed outside the rear casing 43 , and the water tank 3 is provided with a hook 32 and a hanging hole 434 of the rear casing 43 . The outer side of the rear case 43 is further provided with an elastic hook 431, and the elastic hook 431 is fastened to the upper edge of the water tank 3.

A liquid receiving section is disposed below the liquid outlet 61 of the body, and a container detecting switch device 55 is provided at the liquid receiving section (the container detecting switch device 55 is an infrared detecting probe), and the container detecting switch device 55 is electrically connected to the control circuit. Place The body is provided with an illumination indicator on the surface of the liquid receiving section or on the side of the liquid outlet. The illumination indicator light 56 is composed of at least two partial light sources. When the container detection switch device 55 does not detect that the container is close to the liquid outlet, a part of the light source of the illumination indicator light is illuminated; when the container detection switch device detects that the container is close to the liquid outlet When the mouth is open, all the light sources are lit. The illumination indicator light is a light source with adjustable brightness. When the container detection switch device does not detect that the container is close to the liquid outlet, the illumination indicator light is activated at a low power (low brightness); when the container detection switch device detects that the container is close to the container When the liquid outlet is turned on, the illumination indicator is activated at high power (higher brightness).

Combined with Figure 4. The container body is provided with a container pallet 7 at a lower portion of the liquid receiving section. The rear end of the pallet 7 is provided with a plug 71, and the body 4 is provided with a socket 451. The bracket 7 is inserted and matched with the jack 451 through the plug 71, and a locking mechanism is further provided at the plug-fit. The jack 451 is provided with two and vertically arranged on the front surface of the body 4. The locking mechanism is a fastening mechanism composed of an elastic buckle 72 and a buckle hole 553. The elastic buckle 72 and the fastening hole 553 are respectively disposed on the plug 71 and the socket 451. The locking mechanism may be a magnetic attraction mechanism composed of a magnet and an iron block, and the magnet and the iron block are respectively disposed on the plug 71 and the insertion hole 451.

The upper part of the corresponding water tank 3 is provided with a separated photoelectric liquid level sensor 54. The separated photoelectric liquid level sensor 54 is electrically connected to the control circuit, and the water tank 3 is provided with a transparent window 33 at least corresponding to the separated photoelectric liquid level sensor 54. The transparent window 33 is provided with a light-transmitting protrusion, and the water tank 3 is connected to the body separately.

As shown in FIG. 6 and FIG. 7, the feeding port 242 is disposed at the bottom of the cup 24, and the mixer 6 is located below the feeding port 242. The powder feeding mechanism includes a powder feeding drive shaft 511, a powder feeding paddle 23, and a powder discharging paddle. 22 and the stirring paddle 21, one end of the powdering drive shaft 511 is drivingly connected with the feeding motor 51, and the other end of the powdering driving shaft 511 extends from the bottom surface of the material cup 24 into the material cup 24, and is connected with the powder feeding paddle 23 and the stirring paddle 21 The powder feeding paddle 23, the powder discharging paddle 22 and the agitating paddle 21 are disposed in the cup 24 in order from bottom to top, and the scraping paddle 22 is fixedly connected with the cup 24 and covered above the feeding port 242, and the upper side of the powder feeding paddle 23 There are three milk powder grids 232, the milk powder grid 232 runs up and down, and the milk powder grid 232 is provided with an aisle 234, and the bottom of the scraping paddle 22 is provided with a scattering protrusion 224 corresponding to the aisle. The agitating paddle 21 is tightly engaged or rotatably engaged with the powdering drive shaft 511.

The stirring blade 21 is provided with a flexible scraper 213, and the flexible scraper 213 is in contact with the inner wall of the cup 24. The flexible scraper 213 is integrally formed with the agitating paddle 21 and radially protrudes out of the agitating paddle 21. A flexible blade 211 is disposed at the bottom of the agitating paddle 21, and the flexible blade 211 and the flexible blade 213 are integrally formed rubber members, and the rubber member is integrally formed with the paddle 21 . A dispersing piece 212 is disposed on the top of the stirring paddle 21.

A magnetic block 231 is disposed on the powder feeding paddle 23, and a Hall sensor 50 for detecting a magnetic signal of the magnetic block 231 is disposed outside the material cup 24. The Hall sensor 50 is electrically connected to the control circuit. The bottom of the powder feeding paddle 23 is provided with a cavity, the magnetic block 231 is disposed in the cavity, and a cover is disposed outside the cavity 235.

The body corresponding mixer 6 is provided with a cavity, the mixer 6 is inserted and matched with the cavity, the front and rear ends of the cavity are further provided with a fixed position, and the front and rear ends of the mixer 6 are provided with a buckle and a fixed position. The rear end of the mixer 6 is further provided with a thimble, and the main body is provided with a total control micro switch 10, the cavity corresponding to the ejector pin is provided with an opening, and the total control micro switch 10 is disposed at the inner end of the opening.

The top of the cup 24 is open and connected to the lid 1. The lid 1 includes a top cover 11 and a sealing ring 12, and the sealing ring 12 is disposed at the bottom of the top cover 11. The cup 24 wall portion and the sealing ring 12 The wall seal is tightly fitted. The cover 1 is disposed separately from the body 4 and is positioned and engaged. A handle 111 is disposed on the top of the top cover 11.

As shown in FIG. 1 and FIG. 4, the outer wall portion of the cup 24 of the cup is tightly fitted to the inner wall portion of the sealing ring 12. The outer circumference of the cup 24 of the cup is provided with an outer convex edge, and the outer convex edge is tightly fitted with the inner wall portion of the sealing ring 12. The seal ring 12 is integrally formed with the top cover 11.

As shown in FIG. 10, the control circuit is further provided with a current detecting circuit 593 for detecting the operating current of the feeding motor 51, a motor driving circuit 592 for controlling the feeding motor 51, a main control chip 591, and a warning circuit (not shown). The input end of the current detecting circuit 593 is electrically connected to the input motor 51, the output end of the current detecting circuit 593 is electrically connected to the input end of the main control chip 591, and the output end of the main control chip 591 passes through the motor driving circuit 592. The electric motor 51 is electrically connected to the feeding motor 51, and the warning circuit is electrically connected to the main control chip 591.

The utility model relates to a control method for a household automatic milking machine, which comprises a flushing mode, a milking mode, a water volume adjusting function, a milking milk concentration adjusting function and a water discharging temperature adjusting function.

When the flush mode is selected, the milk concentration adjustment function is disabled. After setting the water output amount, the control circuit controls the amount and temperature of the water flowing out of the liquid outlet 61 by acquiring the flow sensor 40 and the water inlet temperature sensor 20.

When the milking mode is selected, after setting the water output and the milking concentration, the control circuit controls the amount and temperature of the water flowing out of the liquid outlet 61 by acquiring the information of the flow sensor 40 and the water inlet temperature sensor 20, and the other On the other hand, by controlling the feeding agitating paddle 21 to limit the amount of milk powder to be fed into the mixer 6, the milking is realized, and in the milking mode, the milk powder is dispensed in the intermediate period of the water discharge. The “Concentration” function and the “Quantization” function can be adjusted in the milking mode. In this mode, the “quantitative” value is unchanged and the milk powder value is used as before. For example, when the flush mode is 120ml, the first conversion of the milking mode concentration is “low” (ie, the corresponding concentration indicator lights up, indicating low concentration). For example, when the "medium" concentration of the milking mode is changed to 180 ml, the water volume is 180 ml of water, and when it is directly converted to the milking mode, it is "medium" concentration of 180 ml of water).

The self-cleaning mode is also included. When the self-cleaning mode is selected, the water pumped by the water pump 53 is heated to 95 degrees Celsius or more through the water heating container 52, and is discharged through the liquid outlet 61. When the water discharge amount reaches the set value of 200 ML, the operation is stopped. When the self-cleaning work (press other keys is invalid) and the water volume is less than 200ml, touch the self-cleaning mode button to stop working. Pressing this button during the other work of the device is invalid and the long press is invalid. When it is invalid, it is accompanied by a warning tone.

After the home automatic flushing machine is powered on, it needs to operate the self-cleaning mode once before it can perform other functions. After that, the power-on state is flush mode. When the power line is powered on, the system will send a power-on tone (specified audio). The default is self-cleaning mode. The self-cleaning indicator is always on and the other lights are off. After the self-cleaning mode is executed, the default state is: flush mode, water quantity: 60ml (flush mode status indicator and one water quantity indicator are always on).

The outlet water temperature can be adjusted after selecting the flush mode or the brewing mode.

The control circuit is provided with a WiFi module. After the WiFi module is started, the terminal enters the terminal communication control mode operation, and after the WiFi module is turned off, the operation display panel 57 is controlled to operate in the mode. After the device is powered on, the WiFi detects the valid WIFI signal for the first time and waits for the APP to access for 1 minute (the WiFi access indicator is blinking). If the WiFi connection is successful, the WiFi access indicator is always on, otherwise it is off.

The second embodiment is different from the first embodiment in that, as shown in FIG. 11 and FIG. 12, the bottom of the powder feeding paddle 23 corresponding to the feeding port 242 of the cup 24 is provided with an elastic blade 25 which is bent downward under normal conditions. The elastic blade 25 has one end connected to the powder feeding paddle 23 and the other end extending into the bottom of the milk powder grid 232. As shown in FIG. 13, when the elastic blade 25 rotates along with the powder feeding paddle 23, when the elastic blade 25 passes through the feeding port 242 of the cup 24, its deformation is reset, and the elastic blade 25 is bent into the feeding port 242, and Continuing with the rotation of the powder feeding paddle 23, the milk powder adhering to the feeding port 242 is cleaned off, on the one hand, the clogging of the feeding port 242 can be avoided, and the accurate feeding can be ensured every time; on the other hand, the feeding port 242 can be prevented from accumulating milk powder for a long time and breeding bacteria. .

The third embodiment is different from the first embodiment in that, as shown in FIG. 14 and FIG. 15, the feeding port 242 is disposed at the bottom of the cup 24, and the mixer is located below the feeding port 242; the powder feeding mechanism is for sending The powder paddle 23 and the powder feeding paddle 23 include a central shaft 236 and a powder feeding spiral blade 238 disposed outside the center shaft 236, and a bottom surface of the powder feeding spiral blade 238 is provided with a covering surface 235 for closing the feeding port 242, covering A pusher surface 237 is provided between the face 235 and the spiral surface at the bottom of the powder feed screw blade 238.

A rigid scraper 212 is disposed at an upper end edge of the powder feeding spiral blade 236 of the powder feeding paddle 23, and the hard scraping strip 212 is in contact with the inner wall of the cup 24.

The inner wall of the lid 1 and the inner wall of the cup 24 together form a milk powder storage area, and the inner wall of the lid 1 is provided with a moisture-proof agent storage box 112 communicating with the milk powder storage area, and the moisture-proof agent storage box 20 is used for placing the food moisture-proof package 60. .

Claims

The utility model relates to a household automatic flushing machine, comprising a body, the body is provided with a mixer, a material cup, a powder feeding mechanism, a feeding motor, a water tank, a water supply pipeline, a mixer and a control circuit; the mixer is provided with a mixing chamber and a liquid outlet. The liquid outlet is connected with the mixing chamber; the powder feeding mechanism is disposed in the material cup and is connected with the feeding motor, and the material cup is provided with a feeding port communicating with the mixing chamber; the water tank is connected to the mixing chamber through the water supply pipeline; and the characteristic is: The water supply pipeline is provided with a flow sensor, a water pump, a water inlet temperature sensor and a water heating container. The flow sensor and the inlet water temperature sensor are located between the water heating container and the water tank, so that when the water tank supplies water to the mixer, the water flow first passes. The flow sensor and the inlet water temperature sensor are then heated to the water heating container; the feeding motor, the flow sensor, the water pump, the water inlet temperature sensor and the water heating container are electrically connected to the control circuit respectively.
The household automatic milking machine according to claim 1, wherein the water heating container is provided with a boiling water passage, the boiling water passage is provided with an inlet and an outlet, and the inlet is connected with the flow sensor, the water pump and the water tank, and the water inlet is sensed. The heater is arranged inside the inlet; the outlet is connected with the mixing chamber of the mixer, and the outlet is further provided with a water temperature sensor, and the water temperature sensor is electrically connected with the control circuit.
The household automatic milking machine according to claim 1 or 2, wherein the feeding port is disposed at the bottom of the cup, and the mixer is located below the feeding port; the powder feeding mechanism comprises a powder feeding drive shaft, a powder feeding paddle, The powder scraping paddle and the stirring paddle are connected to the feeding motor at one end of the powder feeding drive shaft, and the other end of the powder feeding drive shaft extends from the bottom surface of the feeding cup into the material cup, and is connected with the powder feeding paddle and the stirring paddle to send the powder paddle and scrape. The powder paddle and the stirring paddle are arranged in the cup from bottom to top in order, the scraping paddle is fixedly connected with the cup, and is covered above the feeding port, and more than two milk powder cells are arranged on the upper circumference of the powder feeding paddle, and the milk powder grid runs through the top and bottom. And there is an aisle between the milk powder grids, and the bottom of the scraping paddle is provided with a scattering protrusion;

Alternatively, the feeding port is disposed at the bottom of the cup, the mixer is located below the feeding port; the powder feeding mechanism is a powder feeding paddle, the powder feeding paddle comprises a central shaft and a powder feeding spiral blade, and the powder feeding spiral blade is disposed outside the center axis The bottom of the powder feeding spiral blade is provided with a covering surface for closing the feeding opening, and a pushing surface is arranged between the covering surface and the spiral surface of the bottom of the powder feeding spiral blade.
The household automatic milking machine according to claim 3, wherein the stirring paddle is provided with a flexible scraper or a hard scraper, and the flexible scraper or the hard scraper is attached to the inner wall of the cup; and Or a flexible scraper or a hard scraper is disposed at an upper end edge of the powder feeding spiral blade of the powder feeding pad, and the flexible scraper or the hard scraper is attached to the inner wall of the cup.
The household automatic milking machine according to claim 3 or 4, wherein the powder feeding paddle is provided with a magnetic block, and a Hall sensor for detecting a magnetic signal of the magnetic block is provided outside the material cup, and the Hall sensor and the control are provided. The circuit is electrically connected.
The household automatic milking machine according to any one of claims 1 to 5, wherein the body corresponding mixer is provided with a cavity, the mixer is inserted and matched with the cavity, and the front and rear ends of the cavity are further provided. There is a fixed position, the front and rear ends of the mixer are provided with a buckle and a fixed position, and the rear end of the mixer is further provided with a thimble, and the main body is provided with a total control micro switch, and the cavity corresponding to the thimble is provided with an opening, and the total control The micro switch is placed at the inner end of the opening.
A household automatic milking machine according to any one of claims 1 to 6, wherein said control circuit is further provided for The current detecting circuit for detecting the working current of the feeding motor, the motor driving circuit for controlling the feeding motor, the main control chip and the warning circuit, the input end of the current detecting circuit is electrically connected with the feeding motor, and the output end of the current detecting circuit and the main control The input end of the chip is electrically connected, and the output end of the main control chip is electrically connected to the feeding motor through the motor driving circuit, and the warning circuit is electrically connected to the main control chip;

And/or, the liquid body is provided with a liquid receiving section below the liquid outlet, and a container detecting switch device is disposed at the liquid receiving section, and the container detecting switch device is electrically connected to the control circuit;

And/or, the lower part of the corresponding water tank is provided with a separate photoelectric liquid level sensor, and the separated photoelectric liquid level sensor is electrically connected with the control circuit, and the water tank is provided with a transparent window at least corresponding to the separated photoelectric liquid level sensor, and the transparent window is provided The light-emitting projections are connected to the body body.
A method for controlling a household automatic milking machine according to any one of claims 1 to 7, characterized in that it comprises a flushing mode, a milking mode, a water discharge amount adjusting function and a brewing milk concentration adjusting function;

When the flush mode is selected, the brewing milk concentration adjustment function is invalid. After setting the water output amount, the control circuit controls the amount and temperature of the outlet water flowing out through the information of the flow sensor and the inlet water temperature sensor;

When the milking mode is selected, after setting the water output and the milking concentration, the control circuit controls the amount and temperature of the water flowing out of the liquid outlet by acquiring the flow sensor and the water inlet temperature sensor on the one hand, and controlling the flow on the other hand through the control. The agitating paddle is fed to define the amount of milk powder to be fed into the mixer to achieve milking, and in the milking mode, the milk powder is dispensed in the middle of the effluent.
A control method for a household automatic milking machine according to claim 8, further comprising a self-cleaning mode, wherein when the self-cleaning mode is selected, the water pumped by the water pump is heated to a temperature above 95 degrees Celsius by the water heating container, and is discharged. The mouth is discharged, and when the amount of water reaches the set value, the work is stopped.
The control method of the household automatic milking machine according to claim 9, characterized in that: after the household automatic flushing machine is powered on, it needs to operate the self-cleaning mode once before performing other functional operations.