A control method for a food processing machine and a food processing machine

Abstract

The present invention provides a control method for a food processing machine, the food processing machine includes a body with a pulping cavity, a drain valve arranged outside the pulping cavity, and a supply system, characterized in that the control method includes: a control unit detects the position of a valve core through a detection device; according to the position of the valve core, the control unit controls a drive motor to drive the valve core to achieve communication between the supply system and the drain valve; the supply system introduces a medium into the drain valve to achieve cleaning of the drain valve. Through the above control method, the cleaning degree of the drain valve is greatly improved, and the drain valve itself is effectively prevented from having peculiar smell and breeding bacteria due to residual pulp residue. In addition, when foreign matter is blocked in the drain valve, the liquid passage can also be cleaned through a water tank, and the foreign matter is discharged from the drain port, which greatly improves the ability of the drain valve to discharge foreign matter and clean the liquid passage.

Description

Technical Field

[0001] The invention relates to kitchen appliances, in particular to a control method of a food processor and the food processor. Background Art

[0002] Existing frame-type food processing machines generally include a machine body, a grinding cup installed in the machine body, a drain valve installed on the outside of the grinding cup, and a pulp receiving cup arranged below the drain pipe of the drain valve. The drain pipe is fixed to the drain valve as one piece. Since the drain pipe is hidden in the machine body and generally has a bent section, during the process of discharging pulp and waste, residues often stick to the inner wall of the drain pipe in the bent section. Even after flushing with cleaning water, the remaining adhesion is not thoroughly cleaned. If the residue cannot be cleaned for a long time, it will breed bacteria and produce odor, posing a food safety hazard.

[0003] In the Chinese utility model patent with patent number CN201720936700.0 and title “A Soymilk Maker”, a reversing rotary valve is disclosed, the valve core of which is provided with an input port connected to the water supply assembly, and the valve core can enable the water supply assembly to enter the grinding cup during rotation. However, the reversing rotary valve realizes water intake and slurry discharge, and the rotary valve cannot be directly cleaned or cleaned, especially the valve core is difficult to clean; similar to patent CN201720936700.0, the Chinese utility model patents with patent number “CN202121255021.X” and title “An Integrated Food Processor” and patent number “CN202121372461.3” and title “A Food Processor” disclose a water valve device with a valve core that moves horizontally, and by setting a water inlet, the functions of closing, discharging and inletting water are realized, and there is also and The rotary valve cannot be directly cleaned or washed, especially the valve core is difficult to clean; in addition, there is a Chinese utility model patent with patent number CN202020298753.6, entitled "Valve Body Device and Food Processor", which discloses a solution in which the valve body in the valve body device is detachable relative to the cup body assembly. After slurrying is completed, the user can manually disassemble the valve core and the valve body for cleaning, but the structure is complicated, and the disassembly and installation of the valve core and the valve body are very troublesome. The valve core and the valve body are also prone to improper installation and slurry leakage from the drain valve. Summary of the invention

[0004] The purpose of the present invention is to provide a control method for a food processing machine and a food processing machine. The control method and the food processing machine can realize the function of automatically cleaning the drain valve, and the cleaned waste water or gas can be directly discharged into the liquid receiving cup or the external atmosphere, effectively solving the problem of residual slurry or foreign matter clogging the drain valve.

[0005] In order to achieve the above-mentioned object, in a first aspect, the present invention provides a control method for a food processing machine, the food processing machine comprising a machine body having a pulping cavity, a drain valve arranged outside the pulping cavity, and a supply system, the control method comprising:

[0006] The control unit detects the position of the valve core through the detection device;

[0007] According to the position of the valve core, the control unit controls the drive motor to drive the valve core to achieve communication between the supply system and the drain valve;

[0008] The supply system introduces medium into the drain valve to achieve cleaning of the drain valve.

[0009] Furthermore, the drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, and the valve core is also provided with a connecting port, the first input port is connected to the pulping chamber, and the second input port is connected to the supply system. According to the position of the valve core, the control unit controls the driving motor to drive the valve core to achieve the connection between the supply system and the drain valve, including: the control unit controls the driving motor to drive the valve core to connect the connecting port of the valve core with the second input port to connect the supply system and the liquid passage.

[0010] Furthermore, the drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, and the valve core is also provided with a connecting port, the first input port is connected with the pulping chamber, the second input port is connected with the supply system, the supply system introduces the medium into the drain valve to realize the cleaning of the drain valve, including: the medium in the supply system is discharged to the pulp receiving cup or the waste water cup through the second input port, the liquid passage and the drain port.

[0011] Furthermore, the medium in the supply system is discharged into the slurry receiving cup or the waste water cup through the second input port, the liquid passage and the discharge port, including: when water is introduced into the discharge valve by the supply system, the cleaned waste water is discharged into the waste water cup through the discharge port, and the amount of water introduced is V, 10ml≤V≤150ml.

[0012] Furthermore, the control method also includes: after the pulping is completed and the slurry is discharged, the supply system introduces cleaning water into the drain valve to flush the drain valve.

[0013] Furthermore, after pulping is completed and the slurry is discharged, the supply system passes cleaning water into the drain valve to flush the drain valve, including: when the temperature of the slurry residue in the drain valve or the inner wall of the drain pipe is not less than the current ambient temperature, the supply system passes cleaning water into the drain valve to flush the drain valve; and / or; after the pulping chamber is cleaned and the cleaning water is discharged, the supply system passes cleaning water into the drain valve to flush the drain valve.

[0014] Furthermore, the control method also includes: before discharging the slurry, the supply system introduces cleaning water into the drain valve to wet the drain valve.

[0015] In a second aspect, the present invention provides a food processing machine, which includes a body having a pulping chamber, a drain valve arranged on the outside of the pulping chamber, and a supply system. It also includes a control unit and a detection device. The control unit detects the position of the valve core through the detection device, and controls a drive motor to drive the valve core according to the position of the valve core to achieve communication between the supply system and the drain valve; the food processing machine also includes a processor and a memory, wherein an executable program is stored in the memory, and the processor executes the executable program to implement the control method of the above-mentioned food processing machine.

[0016] Furthermore, the drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, and the valve core is also provided with a connecting port. The first input port is connected to the pulping chamber, and the second input port is connected to the supply system. The control unit controls the driving motor to drive the valve core so that the connecting port of the valve core is connected to the second input port, so as to connect the supply system and the liquid passage.

[0017] Furthermore, the drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, and the valve core is also provided with a connecting port, the first input port is connected with the pulping chamber, and the second input port is connected with the supply system, wherein when the driving motor drives the valve core to realize the connection between the supply system and the drain valve so that the drain valve is in a self-cleaning state, the second input port is offset relative to the connecting port; and / or the second input port is offset relative to the liquid passage.

[0018] The drain valve of the food processing machine of the present invention has a first input port and a second input port respectively connected to the pulping cavity and the supply system, and the drain valve also has the same drain port. Since the liquid passage of the drain valve can be selectively connected to the first input port and the second input port, when the liquid passage is connected to the first input port, the slurry or waste water in the pulping cavity can be discharged to the liquid receiving cup through the first input port, the liquid passage and the drain port, so as to realize the slurry and waste discharge of the pulping cavity. At the same time, when the liquid passage is connected to the second input port, the water or gas in the supply system can impact and clean the liquid passage in the drain valve through the second input port, and the cleaned waste water or gas can be discharged to the liquid receiving cup (waste water cup) or the external atmosphere through the drain port. The self-cleaning property of the drain valve is greatly improved, and the problem of odor and bacteria breeding in the drain valve itself is effectively prevented. Moreover, when foreign matter becomes clogged in the drain valve, the supply system can also be used to perform high-pressure impact on the liquid passage to discharge the foreign matter from the drain port, greatly improving the drain valve's ability to discharge foreign matter and making the foreign matter discharge operation simpler. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings:

[0020] Figure 1 It is a structural schematic diagram of an embodiment of a food processing machine of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 3 for Figure 1 Schematic diagram of the structure of the middle drain valve;

[0023] Figure 4 for Figure 3 Schematic diagram of the exploded structure of the middle drain valve;

[0024] Figure 5 A schematic structural diagram of a liquid discharge valve according to an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the exploded structure of the drain valve;

[0026] Figure 7 It is a structural schematic diagram of the valve core moving to the valve self-cleaning state;

[0027] Figure 8 It is a schematic diagram of the structure of the drain valve to let water into the pulping chamber (processing chamber);

[0028] Fig. 9 This is a schematic diagram of the exploded structure of the drain valve;

[0029] Fig.10 It is a structural schematic diagram of the valve core moving to the valve self-cleaning state;

[0030] Fig.11 The figure is a flow chart of a control method of a food processing machine according to an embodiment of the present invention.

[0031] 1. Machine body; 10. Pulping chamber; 2. Drain valve; 20. Liquid passage; 21. First input port; 22. Second input port; 23. Drain port; 24. Valve seat; 241. Valve shell; 242. Valve sleeve; 243. Induction element; 25. Valve core; 250. Connecting port; 2501. First connecting port; 2502. Second connecting port; 251. Magnet; 252. Water supply passage; 26. Driving motor; 27. Valve cover plate; 3. Supply system; 31. Water tank; 41. Waste water cup; 42. Pulp receiving cup. DETAILED DESCRIPTION

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, in a structural schematic diagram of an embodiment of a food processing machine provided by the present invention, a food processing machine includes a body 1 with a pulping cavity 10, a drain valve 2 arranged outside the pulping cavity 10, a supply system 3 and a liquid receiving cup connected to the drain valve 2, and the liquid receiving cup includes a waste water cup 41 arranged on the body 1 and a pulp receiving cup 42 mounted on the waste water cup 41. The drain valve 2 is provided with a first input port 21, a second input port 22, a drain port 23 and a liquid passage 20. The drain port 23 is located at the end of the liquid passage 20, and the drain port 23 is arranged above the pulp receiving cup 42. The first input port 21 is connected to the pulping chamber 10, and the second input port 22 is connected to the supply system 3. The liquid passage 20 is selectively connected to the first input port 21 and the second input port 22. When the first input port 21 is connected to the liquid passage 20, the liquid in the pulping chamber 10 is discharged to the pulp receiving cup 42 or the waste water cup 41 through the first input port 21, the liquid passage 20 and the drain port 23; and when the second input port 22 is connected to the liquid passage 20, the medium in the supply system 3 is discharged to the pulp receiving cup 42 or the waste water cup 41 through the second input port 22, the liquid passage 20 and the drain port 23.

[0033] In this embodiment, the drain valve 2 includes a valve seat 24 and a valve core 25 disposed in the valve seat. The valve seat 24 includes a valve shell 241 and a valve sleeve 242 fixed in the valve shell 241. The valve sleeve 242 wraps around the outer side of the valve core 25 to seal the gap between the valve core 25 and the valve shell 241. The valve core 25 is rotatable relative to the valve seat 24. The first input port 21 and the second input port 22 are arranged through the valve seat 24. The liquid passage 20 is arranged on the valve core 25. A connecting port 250 connected to one end of the liquid passage 20 is also arranged on the outer wall of the valve core 25. The drain port 23 is located at the other end of the liquid passage 20, that is, the drain port 23 is located at the end of the valve core 25. The valve core 25 penetrates the valve seat 24 and discharges liquid toward the slurry receiving cup 42. The drain valve 2 also includes a driving motor 26 and a fixed motor 26 for fixing the valve core 25. The valve cover plate 27 is fixed to the driving motor 26, wherein the valve cover plate 27 is fixed on the valve seat 24, and the valve core 25 is driven to rotate by the driving motor 26, so that the connecting port 250 is selectively connected with the first input port 21 and the second input port 22, wherein when the connecting port 250 is connected with the first input port 21, the drain valve 2 can drain the slurry or cleaning waste water in the pulping chamber 10; and when the connecting port 250 is connected with the second input port 22, the supply system 3 can perform high-pressure impact cleaning on the drain valve 2.

[0034] In this embodiment, the supply system 3 includes a water tank 31 and a water pump 32 installed on the body 1. The water pump 32 is connected to the water tank 31 at one end through a connecting pipe (not shown in the figure), and the other end is connected to the second input port 22 on the drain valve 2. At the same time, the drain valve 2 is provided with a detection device for detecting the position of the valve core 25. The detection device includes a magnet 251 installed on the valve core 25 and a sensing element 243 installed on the valve seat 24. The sensing element 243 cooperates with the magnet 251 inductively, so that when the valve core 25 rotates to communicate with the first input port 21 or the second input port 22, the control unit controls the drive motor 26 to stop rotating.

[0035] For the food processing machine of this embodiment, the drain valve has a first input port and a second input port respectively connected to the pulping chamber and the supply system, and the drain valve also has the same drain port. Since the liquid passage of the drain valve can be selectively connected to the first input port and the second input port, when the liquid passage is connected to the first input port, the slurry or waste water in the pulping chamber can be discharged to the slurry receiving cup or the waste water cup through the first input port, the liquid passage and the drain port, so as to realize the slurry and waste discharge of the pulping chamber. At the same time, when the liquid passage is connected to the second input port, the water in the water tank can pass through the second input port to perform high-pressure impact on the liquid passage in the drain valve, so as to realize the cleaning of the drain valve, and the cleaned waste water can be discharged to the waste water cup through the drain port. The cleaning degree of the drain valve is greatly improved, and the problem of odor and bacteria breeding due to residual slurry residue in the drain valve itself is effectively prevented. Moreover, when foreign matter is blocked in the drain valve, the liquid passage can be subjected to high-pressure impact through the water tank to discharge the foreign matter from the drain port, which greatly improves the drain valve's ability to discharge foreign matter and makes the foreign matter discharge operation simpler.

[0036] It should be noted that, for this embodiment, the supply system may also be an air pump or an air supply device that introduces gas into the drain valve. When the valve core rotates to the connecting port and is connected to the second input port, the air pump or the air supply device may introduce high-pressure gas to clean the liquid passage in the valve core, and the high-pressure gas may be discharged into the external atmosphere through the second input port, the liquid passage and the drain port. Compared to using the high-pressure impact of water in the water tank to clean the drain valve, a large amount of water can be saved. Moreover, when the valve core is blocked by foreign matter, the introduced high-pressure gas may not be limited by the characteristics of the foreign matter, and the ability to discharge the foreign matter is stronger. Of course, the supply system may also include a faucet connected to the drain valve.

[0037] It should also be noted that, in this embodiment, the sensing element for detecting the position of the valve core can be a reed switch or a Hall element. In addition, the pulping chamber of this embodiment is installed in the installation cavity of the machine body and cannot be removed from the machine body. Of course, according to user needs, the pulping chamber can also be designed to be detachable from the machine body.

[0038] In addition, in the present embodiment, the drain port is arranged at the end of the valve core. Of course, for the present embodiment, the drain valve may also have a drain pipe, wherein the drain pipe is connected to the valve core, and the drain port is located at the end of the drain pipe. The drain pipe may be integrally formed with the valve core, or may be sealed and connected to the valve core. In this case, the liquid passage includes a hollow passage of the valve core and the drain pipe. Of course, the drain pipe may be driven to rotate by the valve core. In this case, the waste water cup and the slurry receiving cup are arranged parallel to each other below the drain pipe. When the drain pipe rotates to the top of the waste water cup, waste water may be discharged, and when the drain pipe rotates to the top of the slurry receiving cup, slurry may be discharged. Similarly, the drain pipe is connected to the valve core and may not rotate. In this case, the drain pipe is sleeved on the outside of the valve core and fixed on the valve seat. The valve core is located in the drain pipe and is driven to rotate by the driving motor.

[0039] It should be noted that the above structural changes in this embodiment may also be applicable to other embodiments of the present invention.

[0040] like Figure 5 As shown, in a structural schematic diagram of an embodiment of a food processing machine provided by the present invention, in this embodiment, two communication ports are arranged on the valve core 25, including a first communication port 2501 for communicating with the first input port 21 and a second communication port 2502 for communicating with the second input port 22. When the first communication port 2501 is in communication with the first input port 21, the second communication port 2502 is staggered and closed with the second input port 22, and when the second communication port 2502 is in communication with the second input port 22, the first communication port 2501 is staggered and closed with the first input port 21. By selectively connecting the first communication port 2501 with the first input port 21, and the second communication port 2502 with the second input port 22, the drainage of the pulping chamber and the automatic cleaning of the drainage valve can also be achieved.

[0041] At the same time, in the present embodiment, an auxiliary channel which is not communicated with the liquid passage is also provided on the valve core 25, and an output port 28 and a third input port 29 are provided on the valve seat (valve housing 241 and valve sleeve 242), the third input port 29 is communicated with the auxiliary supply system, and the output port 28 is communicated with the pulping chamber 10 through the pipeline a. When the valve core 25 rotates until the two ends of the auxiliary channel are respectively communicated with the third input port 29 and the output port 28, the auxiliary supply system can supply the medium into the pulping chamber 10 through the auxiliary channel of the valve core 25.

[0042] In this embodiment, the auxiliary supply system is the same supply device as the supply system 3 in the first embodiment, and the second input port 22 and the third input port 29 are connected to the same supply device through the three-way valve b. In addition, in this embodiment, a groove 200 is provided on the outer wall of the valve core 25, and the auxiliary channel is formed by the groove 200 on the valve core 25 and the inner wall of the valve seat (i.e., the inner wall of the valve sleeve 242), wherein, after the valve core 25 rotates to the right position, the third input port 29 and the output port 28 are respectively connected to the two ends of the groove 200.

[0043] In this embodiment, two connecting ports are provided on the valve core of the drain valve, and one of the two connecting ports is connected to the pulping chamber and the supply system to realize the drainage of the pulping chamber and the automatic cleaning of the drain valve. It has the same beneficial effects as the first embodiment. At the same time, the drain valve of this embodiment is also provided with an output port connected to the pulping chamber and a third input port connected to the auxiliary supply system. As in the first embodiment, the auxiliary supply device of this embodiment includes a water tank and a water pump. Therefore, water can be fed into the pulping chamber through the drain valve. At this time, the drain valve has the function of a switch valve, which can control the on and off of water feeding into the pulping chamber. Compared with the need to set an independent switch valve structure on the water inlet pipeline, the drain valve of this embodiment has more functions. Of course, for this embodiment, the output port of the drain valve is connected to the cup wall of the pulping chamber. In order to prevent the water in the pulping chamber from flowing back into the pipeline, a separate shut-off valve that can control the on and off of the pipeline can also be set on the pipeline.

[0044] It should also be noted that in this embodiment, the auxiliary channel is formed by the groove provided on the outer wall of the valve core and the inner wall of the valve sleeve. Of course, the auxiliary channel can also be provided through the valve core. In addition, for the valve core of this embodiment, multiple independent auxiliary channels that are not connected to each other can be provided according to different needs, and each auxiliary channel has a corresponding third input port and output port to achieve the functional diversity of the drain valve.

[0045] like Figure 6-Figure 8 As shown in the structural schematic diagram of an embodiment of the food processing machine provided by the present invention, in this embodiment, when the driving motor drives the valve core to realize the connection between the supply system and the drain valve so that the drain valve is in a self-cleaning state, the second input port is offset relative to the connecting port; and / or the second input port is offset relative to the liquid passage. Specifically, Figure 6As shown, the valve body assembly is fixedly arranged on the pulping chamber 10 of the food processing machine, and the valve body assembly includes a valve seat 24, a valve core 25 arranged in the valve seat 24, a valve sleeve 242 located between the valve seat 24 and the valve core 25, and a valve group driving part for driving the valve core 25 to rotate. In this embodiment, the valve group driving part is a driving motor 26. When the valve body assembly is in the valve self-cleaning state, the valve core 25 closes the communication port on the pulping chamber 10, and the second input port 22 is offset at a specific angle relative to the liquid inlet of the liquid passage 20, as shown in FIG. Figure 7 As shown, the water flow entering the liquid passage 20 of the valve core 25 through the second input port 22 can flow along the inner wall of the liquid passage 20 due to the offset, so as to minimize the loss of water flow speed. The water flow runs along the inner wall of the liquid passage 20 to the slurry outlet nozzle at a relatively high speed, and the inner wall of the slurry outlet nozzle is fully cleaned to prevent the particles in the slurry from adhering to the inner wall of the slurry outlet nozzle. Preferably, the slurry outlet nozzle is provided with at least one bending portion, and the water flow entering the slurry outlet nozzle downward along the inner wall of the liquid passage 20 rushes into the slurry outlet nozzle at a relatively high speed and hits the bending portion, so that the water flow is fully splashed and stayed in the slurry outlet nozzle to fully wash the inner peripheral wall of the slurry outlet nozzle, and the slurry stain removal effect is good.

[0046] In addition, water is introduced through the second input port 22 to specifically clean the liquid passage 20 and the pulping nozzle, which can be carried out simultaneously with the cleaning of the pulping chamber 10 of the food processor after pulping is completed. When cleaning the pulping chamber 10 of the food processor, the driving motor drives the valve core 25 to rotate to the valve self-cleaning state and let water in for cleaning, thereby shortening the waiting time from the end of pulping to the pulping nozzle being cleaned with water, and the water flow rate is fast, the cleaning force is strong and the flushing effect is good, which effectively avoids cleaning the pulping nozzle only after cleaning the pulping chamber 10 of the food processor and missing the best flushing time, resulting in the residual slurry adhering to the inner wall of the pulping nozzle, becoming dry and stubborn and difficult to remove.

[0047] like Figure 8 As shown, the valve core 25 is provided with a liquid passage 20 and a water inlet passage, and the cross section of the water inlet passage is smaller than the cross section of the liquid passage 20, so as to maximize the use of the internal space of the valve core 25 and reduce the volume of the entire valve body assembly. When water is introduced before pulping and water is introduced into the pulping chamber 10 during the cleaning stage, the driving motor 26 drives the valve core 25 to rotate and makes one end of the water inlet passage on the valve core 25 communicate with the second input port 22, and the other end communicates with the connecting port on the pulping chamber 10. After the pulping chamber 10 is filled with water, the valve core 25 rotates and closes the connecting port 103 and the second input port 22. At this time, the motor in the food processing machine body drives the crushing knife to rotate and crush the material for pulping. After pulping and discharging are completed, the valve body assembly first fills the pulping chamber 10 with water and then closes the connecting port 103, and then the valve group driving unit drives the valve core 25 to rotate until the liquid passage 20 is in the valve self-cleaning state, and the pulp outlet nozzle 500 is cleaned.

[0048] like Figure 9-10As shown in the structural schematic diagram of an embodiment of the food processing machine provided by the present invention, in this embodiment, as Fig. 9 As shown, the drain valve 2 includes a valve core 25 provided with a liquid passage 20 and a driving motor 26 driving the valve core 25 to translate relative to the liquid passage 20. The liquid passage 20 is also provided with a second input port 22 connected to a water tank 31. The second input port 22 and the water tank 31 are connected through a water pipe and a water pump. A silicone water inlet nozzle is provided at the second input port 22. The water inlet nozzle is in a closed state when no water is flowing in. The water pump is used to pressurize water inlet, and the water flow can flush the water inlet nozzle to supply water to the liquid passage 20. The driving motor 26 can drive the valve core 25 to move to a first communication position and a second communication position. In the first communication position, the first input port 21 can be connected to the drain port 23 to allow the liquid in the processing chamber to flow out. In the second communication position, the second input port 22 is connected to the drain port 23 to allow the liquid in the processing chamber to flow out.

[0049] Specifically, the valve core is provided with a water supply channel 252. In the second connecting position, the water supply channel can connect the water inlet and the liquid outlet. The food processor also includes a liquid receiving cup arranged below the drain valve. The drain valve also includes a valve mouth extending to the top of the liquid receiving cup. Part of the drain channel is arranged at the valve mouth. The water supply channel is inclined relative to the radial direction of the valve core so that the outlet of the water supply channel faces one side wall of the valve mouth.

[0050] like Fig.11 As shown, in a control method of a food processing machine provided by the present invention, the control method includes:

[0051] S100: The control unit detects the position of the valve core through the detection device;

[0052] S200: According to the position of the valve core, the control unit controls the drive motor to drive the valve core to achieve communication between the supply system and the drain valve;

[0053] S300: The supply system introduces medium into the drain valve to clean the drain valve.

[0054] The control method can greatly improve the cleaning degree of the drain valve, effectively preventing the drain valve from having odor and breeding bacteria due to residual pulp residue. In addition, when foreign matter is blocked in the drain valve, the liquid passage can be cleaned through the water tank to discharge the foreign matter from the drain port, greatly improving the ability of the drain valve to discharge foreign matter and the cleaning of the liquid passage, and the operation of discharging foreign matter is also simpler.

[0055] Specifically, the drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, and the valve core is also provided with a connecting port, the first input port is connected with the pulping chamber, and the second input port is connected with the supply system. According to the position of the valve core, the control unit controls the driving motor to drive the valve core to achieve the connection between the supply system and the drain valve, including: the control unit controls the driving motor to drive the valve core to connect the connecting port of the valve core with the second input port, so as to connect the supply system with the liquid passage.

[0056] Specifically, the drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, and the valve core is also provided with a connecting port, the first input port is connected with the pulping chamber, the second input port is connected with the supply system, and the supply system introduces a medium into the drain valve to realize the cleaning of the drain valve, including: the medium in the supply system is discharged into the pulp receiving cup or the waste water cup through the second input port, the liquid passage and the drain port.

[0057] In an embodiment provided by the present invention, the medium in the supply system is discharged into the slurry receiving cup or the waste water cup through the second input port, the liquid passage and the discharge port, including: when water is introduced into the discharge valve by the supply system, the cleaned waste water is discharged into the waste water cup through the discharge port, and the amount of water introduced is V, 10ml≤V≤150ml.

[0058] In an embodiment provided by the present invention, after pulping is completed and the slurry is discharged, the supply system introduces cleaning water into the drain valve to flush the drain valve.

[0059] In an embodiment provided by the present invention, when the temperature of the slurry residue in the drain valve or the inner wall of the drain pipe is not less than the current ambient temperature, the supply system introduces cleaning water into the drain valve to flush the drain valve.

[0060] In an embodiment provided by the present invention, after the pulping chamber is cleaned and the cleaning water is discharged, the supply system introduces cleaning water into the drain valve to flush the drain valve.

[0061] In an embodiment provided by the present invention, before discharging the slurry, the supply system introduces cleaning water into the drain valve to wet the drain valve.

[0062] For the solution where the paddle nozzle cannot be rotated to the waste water cup, the execution process of the food processor is preferably as follows:

[0063] A. The user starts the function after selecting it;

[0064] B. Automatic water addition and corresponding pulping process are performed, which will not be described here. During the pulping process, if the user has not placed it, the flushing action will be performed. If the user has placed the pulp receiving cup, the flushing action will not be performed. Since the pulp pipe cannot rotate, the flushing water cannot be effectively discharged into the waste water cup, and the flushing action will not be performed. The flushing action includes three steps (Scheme 1). The first step is to turn the rotary valve to the flushing position. The second step is for the water pump to perform a pumping and flushing action. In this step, the pumping is performed twice, 10mL of water is pumped each time. The purpose of the first pumping is to soften the dirt in the pulp pipe. After the pumping is completed, wait for 2 to 5 minutes, wait for the dirt in the pulp pipe to soften, and then pump 20mL of water again for flushing. The third step is to turn the rotary valve to the closed position. During the flushing process, if it is in a non-motor action state such as heating or waiting, continue. When the motor is in the pulping state, the pulping stops. Reduce the accumulation of residue between the valve core and the seal caused by the rotary valve action when the motor is stirring. At the same time, prevent the loss of valve core grease caused by slurry impact;

[0065] C. After pulping is completed, the rotary valve is turned to the pulp discharge position and closed after pulping is completed;

[0066] D. Check whether the slurry receiving cup has been removed. If it has been removed, turn the valve to the cleaning position, and the water pump pumps 30mL of water to flush the slurry discharge pipe. If the slurry receiving cup has not been removed, this step will not be performed, and the cup body will be directly cleaned with water. In this step, if the user removes the cup body within 35S after slurry discharge, the slurry pipe flushing process will be performed. If it is more than 35S, it will not be performed. The temperature of the hot slurry will drop rapidly after slurry discharge. It drops to 63℃ after 35S. Since the water temperature of the first cleaning drainage is around 65℃. At this time, there is no need to perform a separate flushing to save cleaning water. The main purpose of flushing in this step is to reduce the condensation of paste and grease substances. The higher the temperature, the better the residual flushing effect of paste and grease substances. The flushing of this step is divided into three steps (Scheme 2). The first step is to turn the valve to the flushing position. The second step is that the water pump performs the flushing action. In this step, the water is pumped out once, 30mL of water is pumped out at a time, and no waiting action is performed in between. Since the main purpose is to flush paste and grease substances, a quick flush is performed before the temperature drops to achieve the best flushing effect. The third step is to turn the valve to the closed position. This flushing process is also controlled during the motor stop stage for the same reason as above;

[0067] E. The cleaning preparation process and cleaning process are not described here;

[0068] F. After cleaning, turn the rotary valve to the cleaning position and clean the rotary valve again with 30 mL of flushing water. The purpose of this step is to flush sedimentary materials such as coffee grounds. After the last cleaning, the cleaning water is relatively clean. However, coffee grounds, peanut residues, dragon fruit seeds, etc. will be deposited in the water. When the inclination of the slurry pipe cannot be guaranteed, they will be deposited in the slurry pipe and cannot be discharged. In this solution, because the water pump directly flushes water into the rotary valve, the impact force is stronger than the water flow impact force caused by gravity. It can effectively flush the sediment into the residual water box. The flushing in this step is a single pumping of 30 mL of water, with a single water flow to quickly flush the deposited materials;

[0069] G. Work completed.

[0070] For the solution in which the paddle nozzle can be rotated to the waste water cup, the execution process of the food processor is preferably as follows:

[0071] A. The user starts the function after selecting it;

[0072] B. Check whether the waste water cup is in place. If it is in place, perform the flushing step (clean the valve mouth). The detailed flushing is the same as the above scheme. If it is not in place, perform automatic water addition and corresponding pulping process, which will not be repeated here;

[0073] C. After pulping is completed, the rotary valve is turned to the pulp discharge position and closed after pulping is completed;

[0074] D. Check whether the waste water cup is in place. If it is, perform the flushing plan. The detailed flushing is the same as the above plan. If the waste water cup is not in place, this step is not performed, and water is directly added to clean the cup body;

[0075] E. The cleaning preparation process and cleaning process are not described here;

[0076] F. After the cleaning is completed, the waste water cup is in place, the rotary valve is turned to the cleaning position, and the rotary valve is cleaned again. The detailed flushing is the same as the above scheme, which will not be repeated here;

[0077] G. Work completed.

[0078] It should be pointed out that the above structural changes in this embodiment may also be applicable to other embodiments of the present invention.

[0079] Those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification that does not deviate from the functional and structural principles of the present invention will be included in the scope of the claims.

Claims

1. A control method for a food processing machine, the food processing machine comprising a machine body having a pulping cavity, a drain valve disposed outside the pulping cavity and used to discharge liquid in the pulping cavity, and a supply system, wherein: The control method comprises: The control unit detects the position of the valve core of the drain valve through the detection device; According to the position of the valve core, the control unit controls the drive motor to drive the valve core to move, so as to achieve the connection between the supply system and the drain valve; The supply system introduces the medium into the drain valve to clean the drain valve; The drain valve is provided with a first input port, a second input port, a drain port and a liquid passage, the valve core is also provided with a communication port, the first input port is communicated with the pulping chamber, the second input port is communicated with the supply system, the control unit controls the drive motor to drive the valve core to move according to the position of the valve core, and the communication between the supply system and the drain valve is achieved, including: the control unit controls the drive motor to drive the valve core to move, so that the communication port of the valve core is communicated with the second input port, so as to connect the supply system with the liquid passage; The supply system introduces medium into the drain valve to clean the drain valve, which includes: the medium in the supply system is discharged into the slurry receiving cup or the waste water cup through the second input port, the connecting port, the liquid passage and the drain port.

2. A food processing machine control method as claimed in claim 1, characterized in that: The medium in the supply system is discharged into the slurry receiving cup or the waste water cup through the second input port, the connecting port, the liquid passage and the discharge port, including: when the medium introduced into the discharge valve by the supply system is water, the waste water after cleaning the discharge valve is discharged into the waste water cup through the discharge port, and the amount of water introduced is V, 10ml≤V≤150ml.

3. A method for controlling a food processing machine as claimed in claim 1, characterized in that: The control method further comprises: after pulping is completed in the pulping chamber and the pulp is discharged, the supply system introduces cleaning water into the drain valve to flush the drain valve.

4. A method for controlling a food processing machine as claimed in claim 3, characterized in that: After the pulping is completed and the slurry is discharged from the pulping chamber, the supply system introduces cleaning water into the drain valve to flush the drain valve, including: When the temperature of the slurry residue in the liquid passage or the inner wall of the liquid passage is not less than the current ambient temperature, the supply system introduces cleaning water into the drain valve to flush the drain valve; and / or; After the pulping chamber is cleaned and the cleaning water is discharged, the supply system introduces the cleaning water into the drain valve to flush the drain valve.

5. The control method of a food processing machine according to claim 1, characterized in that: The control method further comprises: before discharging the slurry in the slurry making chamber, the supply system introduces cleaning water into the drain valve to wet the drain valve.

6. A food processing machine, comprising a machine body having a pulping cavity, a drain valve disposed outside the pulping cavity and used to discharge liquid in the pulping cavity, and a supply system, wherein: The food processor also includes a control unit and a detection device, wherein the control unit detects the position of the valve core of the drain valve through the detection device, and controls the drive motor to drive the valve core according to the position of the valve core to achieve communication between the supply system and the drain valve; the food processor also includes a processor and a memory, wherein an executable program is stored in the memory, and the processor executes the executable program to implement the control method of the food processor described in any one of claims 1-5.

7. The food processor according to claim 6, characterized in that When the driving motor drives the valve core to connect the supply system and the drain valve so that the drain valve is in a self-cleaning state, the second input port is offset relative to the connecting port; and / or the second input port is offset relative to the liquid passage.

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