Control system applied to food processor and food processor

Abstract

The utility model discloses a control system applied to a food processor and the food processor. The food processor comprises a main machine and a cup base. A control panel is arranged in the host; a driving circuit board is arranged in the cup base, an IPM module for driving the brushless motor, a heating tube driving circuit, a detection device control circuit and a power conversion circuit are integrated on the driving circuit board, the driving circuit board is further used for being connected with an EMC module, and the EMC module and the IPM module are arranged in a split mode; the EMC module and the control panel are electrically connected with the driving circuit board through the coupler. In this way, the EMC module is arranged on the host, the IPM module is arranged on the cup base, the EMC module and the brushless driving IPM module are arranged in a split mode, and the compactness of the space of the cup base can be reduced. Meanwhile, the separated EMC module can be used as a standardized general module for production and manufacturing. In addition, through the layout mode, the cup base can be electrically connected with the main machine through the 6-pin coupler, and the manufacturing cost of the control system applied to the food processor is further reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, and more specifically, to a control system applied to a food processor and the food processor. Background Art

[0002] Existing food processors generally include a base, a cup body, a main control circuit, and controlled devices. Among them, the main control circuit and the motor are usually arranged in the base, and the controlled devices, such as a heating device, are arranged in the cup body. For example, Chinese invention patent CN103479243A discloses a safe food processor, which includes a base, a cup body arranged on the base, and a cup cover buckled on the cup body. The food processor further includes a main control circuit and a load. The load includes a motor arranged in the base and a heating device arranged on the cup body. The circuit board carrying the main control circuit is arranged in the base. A coupler for connecting the electrical components in the base and the cup body is arranged on the cup body and the base. A switch is arranged on the cup body. The opening and closing of the cup cover and the cup body control the on-off of the switch. The switch is arranged between the load and the mains power supply. The switch is connected to the load and the mains power supply through the coupler. A wiring cavity for the switch to connect the coupler is arranged on the cup body. However, the above solution can only achieve simple control of the operation of the controlled devices. In order to more precisely control the operating state of the food processor, a signal detection device is added to the food processor, and the signal detection device is arranged in the cup body. For example, Chinese invention patent CN 110313852A discloses a food processor. The food processor includes a base, a motor arranged in the base, and a stirring cup arranged on the base. The stirring cup includes a cup cover and a cup body. The signal detection device is arranged on the stirring cup. The control board and the power board are arranged in the base. However, the motor used in the above solution is essentially a DC brushed motor, and a DC brushed motor must have a carbon brush and a commutator. However, the spark interference between the carbon brush and the commutator is large, and the carbon brush friction easily generates carbon powder accumulation, which poses a risk of damaging the circuit board and shortening the life of the food processor. Therefore, in the prior art, a brushless motor is used to replace the DC brushed motor to solve the above problems. At the same time, in order to ensure the normal operation of the brushless motor, an IPM module must be used to drive the brushless motor. And because the IPM module has high requirements for heat dissipation performance, an independent heat dissipation module needs to be arranged on the drive circuit board where the IPM module is set. At the same time, in order to solve the problem of electromagnetic interference, an EMC module must also be arranged. Chinese invention patent CN 110313852A discloses a drive module for a brushless motor applied to a food processor and a food processor, and discloses a drive module for a brushless motor applied to a food processor, which specifically discloses integrating the EMC module and the IPM module on the same drive circuit board. Also considering that electromagnetic interference may exist during the operation of the brushless motor to affect the signal of the control board, the brushless motor and the control board are separated and placed, that is, the brushless motor is arranged in the cup holder. Combined with Figure 1As shown in the figure, in the prior art, a food processor with an upper-mounted motor is provided. The brushless motor 3, the heating tube 4, and the detection device 5 are all arranged in the cup base. Among them, the detection device 5 includes temperature detection and / or lid-opening detection. The power supply board 2 and the control board 30 are arranged in the main body 10. The power supply board 2 is connected to the brushless motor 3 and the heating tube 4 through a coupler, and the control board 30 is connected to the detection device 5 through a coupler. However, when using this solution, the number of pins of the coupler needs to be at least 8, resulting in a relatively high cost of manufacturing the food processor. And because the driving circuit board has many functions, the occupied space of the entire driving board is very large, while the space of the main body of the food processor is small. Therefore, how to reasonably layout and reduce the number of pins of the coupler needs to be considered urgently. Summary of the Invention

[0003] The purpose of the present application is to provide a control system and a food processor applied to a food processor, so as to solve the problems of high cost of the brushless motor driving board in the existing food processor and the difficulty in controlling the reliability and consistency of the IPM module and the EMC module in the brushless motor driving board.

[0004] To achieve the above purpose, the present invention provides a control system applied to a food processor. The food processor includes a main body and a cup base; a control board is arranged in the main body; a driving circuit board is arranged in the cup base. The driving circuit board integrates an IPM module for driving a brushless motor, a heating tube driving circuit, a detection device control circuit, and a power conversion circuit. The driving circuit board is also used to connect to an EMC module, and the EMC module is separately arranged from the IPM module; the EMC module and the control board are respectively electrically connected to the driving circuit board through a coupler.

[0005] In this application, by separately arranging the EMC module and the brushless drive IPM module, with the EMC module arranged in the main body and the IPM module arranged in the cup holder, the sense of tightness in the space of the cup holder can be alleviated. At the same time, although different models of food processors may independently design different brushless motor specifications and drive circuit boards, the EMC module can be universal. The separated EMC module can be used as a standardized and universal module for manufacturing food processors, which can increase the standardization rate of production and manufacturing, thereby reducing the design and manufacturing costs. Meanwhile, during mass production, the manufacturing risk can be reduced, thus reducing the production costs. Moreover, by arranging the drive circuit board in the cup holder, the brushless motor, the heating tube, and the detection device can all be connected to the drive circuit board without passing through a coupler, which can reduce the number of coupler pins, enabling the use of a maximum 6-pin coupler to achieve the electrical connection between the cup holder and the main body, and further reducing the manufacturing cost of the control system applied to the food processor. Additionally, the modular designed EMC module has high universality, high consistency and reliability, and is applicable to food processors of various models and technical platforms, which can greatly reduce the reliability problems of the EMC module and the IPM module caused by the difficulty in controlling the manufacturing precision of the brushless drive board.

[0006] In an alternative implementation of a control system applied to a food processor, the control board integrates a display circuit and a key detection circuit.

[0007] In this application, by integrating a display circuit on the control board, it is convenient to display the working state of the food processor. By integrating a key detection circuit on the control board, it is convenient to identify the function selection of the user on the food processor, and then it is convenient to trigger the food processor to execute according to the selected function.

[0008] In an alternative implementation of a control system applied to a food processor, the coupler is provided with a power line coupling end, a ground line coupling end, a first communication line coupling end, and a second communication line coupling end; the control board is connected to the drive circuit board through the power line coupling end, the ground line coupling end, the first communication line coupling end, and the second communication line coupling end.

[0009] In this application, through the power line coupling end and the ground line coupling end provided by the coupler, it is possible to supply power to the control board arranged in the main body from the drive circuit board arranged in the cup holder. Through the first communication line coupling end and the second communication line coupling end provided by the coupler, it is possible to enable communication between the control board arranged in the main body and the drive circuit board arranged in the cup holder, so that the control board can control the drive circuit board to execute corresponding instructions.

[0010] In an alternative implementation of a control system applied to a food processor, the coupler is provided with a live wire coupling end and a neutral wire coupling end, and the EMC module is connected to the drive circuit board through the live wire coupling end and the neutral wire coupling end.

[0011] Through the live wire coupling end and the neutral wire coupling end provided by the coupler in this application, the power supply can supply power to the drive circuit board through the EMC module, and then it is convenient for the drive circuit board to supply power to the control board.

[0012] In an alternative implementation of a control system applied to a food processor, the control system further includes a power cord; the EMC module is disposed in the main body, and the power cord is connected to the drive circuit board through the EMC module; or, the EMC module is integrated on the power cord, and the power cord is connected to the drive circuit board.

[0013] By providing a separate EMC module in the main body in this application, it is convenient for the EMC module to be modularized. By integrating the EMC module with the power cord and not providing a separate EMC module in the main body, it is convenient to reduce the space in the main body, and thus it is convenient for the food processor to be miniaturized.

[0014] In an alternative implementation of a control system applied to a food processor, the control system further includes: an open lid detection device connected to the drive circuit board; and / or, a temperature detection device connected to the drive circuit board.

[0015] In this application, by providing an open lid detection device, it is convenient to know whether the cup lid of the food processor is tightened, so as to prevent safety accidents caused by the motor driving the blade to rotate when the cup lid is not tightened, and it is convenient to protect the personal safety of users. By providing a temperature detection device, it is convenient to know the temperature of the object being stirred, so as to facilitate heating the object being stirred to a preset temperature.

[0016] In an alternative implementation of a control system applied to a food processor, the number of pin pins of the coupler is less than or equal to 6.

[0017] In this application, the connection between the main body and the cup holder can be achieved by using a coupler with the number of pin pins less than or equal to 6. In this way, by reducing the number of pin pins of the coupler, the size of the coupler can be designed smaller, which is beneficial to the miniaturization of the food processor. At the same time, since the number of pin pins is reduced, the number of signals transmitted through the coupler will also be reduced, making the overall signal transmission more reliable.

[0018] The present utility model further provides a food processor, comprising: a main body, wherein a first accommodation cavity is arranged in the main body; a cup base, wherein a second accommodation cavity is arranged in the cup base; a control board arranged in the first accommodation cavity; a drive circuit board arranged in the second accommodation cavity; a brushless motor arranged in the second accommodation cavity, and the brushless motor is connected to the drive circuit board; a coupler, and the control board is electrically connected to the drive circuit board through the coupler; an EMC module, and the EMC module is electrically connected to the drive circuit board through the coupler.

[0019] In this application, by arranging the drive circuit board in the cup base, the brushless motor, the heating tube, and the detection device can all be connected to the drive circuit board without passing through the coupler, thereby reducing the number of pins of the coupler, enabling the electrical connection between the cup base and the main body to be achieved by using a 6-pin coupler, and further reducing the manufacturing cost of the control system applied to the food processor. At the same time, by separately arranging the EMC module and the motor drive circuit, the EMC module can be modularized, facilitating the standardized design of the EMC module, and thus reducing the manufacturing cost of the EMC module.

[0020] In an optional implementation manner of a food processor, the control system further comprises: an air inlet duct and an air outlet duct are arranged in the main body; the duct openings of the air inlet duct and the air outlet duct are both communicated with the cup base; wherein, the cooling medium sequentially passes through the air inlet duct, the drive circuit board, the brushless motor, and the air outlet duct.

[0021] In this application, by arranging both the drive circuit board and the brushless motor in the cup base, the drive circuit board and the brushless motor can be cooled together by the cooling medium in the air duct communicating with the cup base. In this way, sharing the air inlet duct and the air outlet duct for heat dissipation by the drive circuit board and the brushless motor can reduce the manufacturing cost of the food processor.

[0022] In an optional implementation manner of a food processor, the drive circuit board is fixed on the housing of the cup base on the side close to the second accommodation cavity.

[0023] In this application, by fixing the drive circuit board on the housing of the cup base on the side close to the second accommodation cavity, the drive circuit board can be kept stable, thereby maintaining the stability of the food processor.

[0024] Additional aspects and advantages of the present application will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present application. Description of the Drawings

[0025] The accompanying drawings described herein are used to provide a further understanding of the present utility model and constitute a part of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0026] Figure 1 is a schematic connection diagram of a control system of an existing food processor;

[0027] Figure 2 is a schematic connection diagram of a control system of a food processor provided by the present utility model;

[0028] Figure 3 is a schematic diagram of a coupler provided by the present utility model;

[0029] Figure 4 is a schematic diagram of an EMC integrated block and the placement manner of the EMC integrated block provided by the present utility model;

[0030] Figure 5 is a schematic diagram of the placement of an IPM module and a heat dissipation module provided by the present utility model;

[0031] Figure 6 is a schematic diagram of the placement of an EMC module provided by the present utility model;

[0032] Figure 7 is a schematic diagram of the component assembly details of a food processor provided by the present utility model;

[0033] Figure 8 is a cross-sectional view of a food processor provided by the present utility model;

[0034] Figure 9 is a cross-sectional view of another food processor provided by the present utility model;

[0035] Figure 10 is a front view of a food processor provided by the present utility model.

[0036] Description of reference numerals:

[0037] 1 - Food processor; 2 - Power board; 3 - Brushless motor; 4 - Heating tube; 5 - Detection device; 10 - Main body; 20 - Cup holder; 30 - Control board; 40 - Drive circuit board; 41 - IPM module; 42 - Heat dissipation module; 50 - EMC module; 51 - EMC integrated circuit; 60 - Coupler; 61 - Upper coupler; 62 - Lower coupler; 100 - Stirring cup cover; 101 - Glass cup; 102 - Stirring knife; 103 - Heating plate; 104 - Sealing ring; 105 - Heat insulation sleeve; 106 - Upper cover; 107 - Cup base; 108 - Cup body shell; 109 - Main body cover; 110 - Power cord; 111 - Air outlet duct; 112 - Main body shell; 113 - Main body base; 114 - Face sticker; 115 - Condenser bracket; 116 - Air inlet duct; 117 - Handle. Detailed implementation manners

[0038] For a clearer explanation of the overall concept of the present utility model, the following will be further described in detail by way of examples in conjunction with the accompanying drawings of the specification.

[0039] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific implementation manners disclosed below.

[0040] As Figures 2 to 4 As shown, the present utility model provides a control system applied to the food processor 1. Among them, the food processor 1 includes: a main body 10 and a cup holder 20. A control board 30 is provided inside the main body 10; a drive circuit board 40 is provided inside the cup holder 20. The drive circuit board 40 integrates an IPM module (Intelligent Power Module, Chinese name is intelligent power module) for driving a brushless motor, a heating tube drive circuit, a detection device control circuit, and a power conversion circuit. The drive circuit board 40 is also used to connect to an EMC module 50 (Electro Magnetic Compatibility, Chinese name is electromagnetic compatibility module), and the EMC module 50 is separately arranged from the IPM module; the EMC module 50 and the control board 30 are respectively electrically connected to the drive circuit board 40 through a coupler.

[0041] It should be noted that the control board 30 may integrate a processor to control the operation of the drive circuit board 40 through the processor. Among them, the processor may be an MCU processor (Micro Controller Unit, Chinese name is micro control unit), or other processors capable of performing circuit control, which is not limited herein. It can be understood that the processor controlling the operation of the drive circuit board 40 may be to control the operation of the circuits or modules on the drive circuit board 40, and may only control the operation of some circuits or modules.

[0042] It should be noted that the IPM module 41 can convert the DC current of the drive circuit board 40 into three-phase current for a brushless motor to meet the current requirements of the brushless motor.

[0043] It should be noted that the heating tube drive circuit is used to drive the heating tube to work.

[0044] It should be noted that the detection device control circuit is used to control the operation of the detection device. The detection device can be, for example, a lid-opening detection device, a temperature detection device, etc. Exemplarily, when the detection device control circuit receives a temperature detection signal sent by the control board 30, it triggers the temperature detection device to perform temperature detection and obtains the temperature data detected by the temperature detection device to send to the control board 30. Similarly, when the detection device control circuit receives a lid-opening detection signal sent by the control board 30, it triggers the lid-opening detection device to detect the screwing state of the cup lid and obtains the screwing state of the cup lid detected by the lid-opening detection device to send to the control board 30. Another example is that the detection device control circuit can also be just a power supply line provided on the drive circuit board 40. By connecting the detection device through the power supply line, when the power supply line powers the drive circuit board 40, the detection device is powered through the power supply line of the drive circuit board 40, enabling the detection device to operate.

[0045] It should be noted that the power conversion circuit can be used to convert the power supply voltage into a voltage suitable for the drive circuit board, and the power conversion circuit can also be used to convert the power supply voltage into a voltage suitable for the control board. Among them, converting the power supply voltage into a voltage suitable for the drive circuit board can be to convert the suitable voltage for each component on the drive circuit board respectively.

[0046] Exemplarily, the power conversion circuit is used to generate a VCC voltage (Volt Current Condenser, power supply voltage) to supply power to the control board 30. For example, the power conversion circuit can be a power supply line provided on the drive circuit board 40. Through the power supply line and the coupler 60, the power supply line provided on the drive circuit board 40 can supply power to the control board 30. It can be understood that the power conversion circuit can also be a circuit provided on the drive circuit board 40 that can perform voltage conversion. Through the power conversion circuit, the voltage of the received power supply line is converted into a power supply voltage suitable for the control board 30, and then the converted voltage is provided to the control board 30 through the coupler 60. Among them, the power supply voltage suitable for the control board 30 is the voltage that can enable the control board 30 to operate normally.

[0047] It should be noted that the EMC module 50 can have electrical connection terminals for connecting to a power supply to introduce the current of the power supply into the drive circuit board 40. Since the EMC module 50 has a filtering function, it can reduce the interference of the current flowing in from the power supply to the drive circuit board 40, and at the same time can also reduce the interference of the drive circuit board 40 to the power supply. Exemplarily, the power supply connected to the EMC module 50 can include the L wire, the N wire, and the ground wire.

[0048] In this application, by arranging the EMC module 50 on the host 10 side and the IPM module 41 in the cup holder 20, the EMC module 50 can be produced and manufactured as a standardized general module, which can increase the standardization rate of production and manufacturing, thereby reducing the design and manufacturing costs; at the same time, during mass production, the manufacturing risk can be reduced, thereby reducing the production costs. By arranging the EMC module 50 and the control board 30 on the host 10 side and the drive circuit board 40 and the brushless motor in the cup holder 20, only a 6-pin coupler 60 can be used to achieve the electrical connection between the cup holder 20 and the host 10, thereby reducing the manufacturing costs of the control system applied to the food processor. It can be understood that the 6-pin coupler is a coupler with 6 pin needles. The pin needles are used to complete the transmission of electricity or signals.

[0049] As an optional implementation manner of this application, the control board 30 integrates a display circuit and a key detection circuit. Among them, the display circuit is used to connect to the display screen and is controlled by the MCU to display preset content on the display screen. The key detection circuit is used to connect to the keys and is used to detect whether the keys are pressed. Among them, the keys can be physical keys or virtual keys.

[0050] Exemplarily, the preset content can be the current operating mode of the food processor, the operating parameters of the food processor, etc. Operating parameters, for example: motor speed, heating temperature, etc.

[0051] Exemplarily, when the display screen connected to the display circuit is a touch display screen, the key detection circuit can be connected to the display screen to detect the touch content of the user on the display screen.

[0052] As an optional implementation manner of this application, the coupler 60 is provided with a power line coupling end, a ground wire coupling end, a first communication line coupling end, and a second communication line coupling end; the control board 30 is connected to the drive circuit board 40 through the power line coupling end, the ground wire coupling end, the first communication line coupling end, and the second communication line coupling end.

[0053] As an optional implementation manner of this application, the coupler 60 is provided with a live wire coupling end and a neutral wire coupling end, and the EMC module 50 is connected to the drive circuit board 40 through the live wire coupling end and the neutral wire coupling end.

[0054] Exemplarily, the coupler 60 is provided with a live wire coupling end, a neutral wire coupling end, a power supply line coupling end, a ground wire coupling end, a first communication line coupling end, and a second communication line coupling end. Thus, 220V AC (alternating current) is input into the EMC module 50 through the power supply line. Among them, the power supply line includes: L wire (live wire), N wire (neutral wire), and ground wire. The EMC module 50 outputs L1 (live wire) and N2 (neutral wire) to supply power to the drive circuit board 40 through the coupler 60. Inside the drive circuit board 40, through power conversion, a VCC voltage is generated to supply power to the control board 30 through the coupler 60 and communication is achieved. Among them, the VCC voltage can be a DC voltage of 2V to 36V. Power supply and communication between the control board 30 and the drive circuit board 40 are achieved through the power supply line connected by the power supply line coupling end, the ground wire connected by the ground wire coupling end, the first signal line connected by the first communication line coupling end, and the second signal line connected by the second communication line coupling end.

[0055] As an alternative implementation manner of the present application, the number of pin pins of the coupler 60 is less than or equal to 6.

[0056] Combined Figure 3 As shown, the coupler 60 includes an upper coupler 61 and a lower coupler 62. Among them, the upper coupler 61 is provided with 6 pin pins, and the lower coupler 62 is also provided with 6 pin pins. And the functions of the 6 pin pins of the upper coupler 61 correspond one by one to the functions of the 6 pin pins of the lower coupler 62. Exemplarily, the 6 pin pins provided on the upper coupler 61 are respectively used as the live wire coupling end, the neutral wire coupling end, the power supply line coupling end, the ground wire coupling end, the first communication line coupling end, and the second communication line coupling end. The 6 pin pins provided on the lower coupler 62 are also respectively used as the live wire coupling end, the neutral wire coupling end, the power supply line coupling end, the ground wire coupling end, the first communication line coupling end, and the second communication line coupling end.

[0057] As an alternative implementation manner of the present application, the control system further includes: a detection device 5. The detection device 5 includes: a lid opening detection device and / or a temperature detection device. Among them, the lid opening detection device is connected to the drive circuit board 40. The temperature detection device is connected to the drive circuit board 40.

[0058] It should be noted that the lid opening detection device is used to detect the screwing state of the cup lid. By connecting the lid opening detection device to the detection device control circuit on the drive circuit board 40, the lid opening detection device can be controlled by the detection device control circuit to convey the screwing state of the cup lid to the control board 30. It can be understood that the screwing state of the cup lid can be that the cup lid is in the closed state, or the screwing state of the cup lid can be that the cup lid is in the open state.

[0059] It should be noted that the temperature detection device is used to detect the temperature data of the food processor. By connecting the temperature detection device to the detection device control circuit on the drive circuit board 40, the temperature detection device can be controlled by the detection device control circuit to convey the temperature data to the control board 30. Among them, the temperature data of the food processor, such as: the temperature of the food being heated in the food processor, the heating temperature of the drive circuit board 40 in the food processor, etc.

[0060] In this application, by connecting the lid opening detection device and / or the temperature detection device through the drive circuit board 40, the control board 30 can detect the lid screwing state and temperature data detected by the drive circuit board 40 through the detection key signal. Through program processing, the drive circuit board 40 is controlled to drive the brushless motor and the heating tube to realize the function of the wall breaker. In this way, the processed food can better meet the user's expectations.

[0061] As an alternative embodiment of this application, the control system further includes a power cord; the EMC module 50 is arranged in the main body 10, and the power cord is connected to the drive circuit board 40 through the EMC module 50; or, the EMC module 50 is integrated on the power cord, and the power cord is connected to the drive circuit board 40.

[0062] Exemplarily, the EMC integrated block 51 can be an EMC module with plastic packaging (fully metal-sealed inside). When the EMC integrated block 51 is integrated on the power cord, the EMC integrated block 51 is integrated with the power cord, and the EMC integrated block 51 can be arranged outside the main body 10 of the food processor, or the EMC integrated block 51 can be fixed inside the main body 10 of the food processor. As shown in Figure 4 The EMC integrated block 51 is integrated on the power cord, and the EMC integrated block 51 integrated on the power cord is located outside the main body 10 of the food processor.

[0063] In this application, by arranging the EMC module 50 on the side of the main body 10 of the food processor, the drive circuit board 40 provided with the IPM module 41 is arranged in the cup holder 20. The EMC module 50 and the IPM module 41 are arranged separately. The separated EMC module 50 can be used as a standardized general module for manufacturing the food processor, which can increase the standardization rate of production and manufacturing, thereby reducing the design and manufacturing cost. At the same time, during mass production, the manufacturing risk can be reduced, thereby reducing the production cost. And, based on variable frequency direct drive, this application arranges the brushless motor in the cup holder 20. It can reduce the number of pins of the coupler, so that only a coupler 60 with 6 pins is required to realize the electrical connection between the cup holder 20 and the main body 10 of the food processor.

[0064] As another embodiment of the present application, the control board is integrated with a conversion circuit for converting the power supply into a voltage adapted to the control board. Then, the control system applied to the food processor can be as follows: a control board is provided inside the main body. A drive circuit board is provided inside the cup holder. The drive circuit board is integrated with an IPM module for driving the brushless motor, a heating tube drive circuit, a detection device control circuit, and a power conversion circuit. The coupler is provided with a first communication line coupling end, a second communication line coupling end, a live wire coupling end, and a neutral wire coupling end. The EMC module is connected to the drive circuit board through the live wire coupling end and the neutral wire coupling end. The EMC module is directly connected to the control board for power supply. The control board is electrically connected to the drive circuit board through the first communication line coupling end and the second communication line coupling end. In this case, the control board is directly powered by the EMC module without the need for the drive circuit board to supply power, which can reduce the power supply line coupling end and the ground wire coupling end of the drive circuit board for supplying power to the control board. Thus, the connection between the main body and the cup holder can be achieved using a 4-pin coupler.

[0065] Combined with Figures 2 to 10 As shown, the present utility model also provides a food processor, including a main body 10, a cup holder 20, a control board 30, a drive circuit board 40, a brushless motor 3, a coupler 60, and an EMC module 50. The main body 10 is provided with a first accommodating cavity; the cup holder 20 is provided with a second accommodating cavity; the control board 30 is disposed in the first accommodating cavity; the drive circuit board 40 is disposed in the second accommodating cavity; the brushless motor 3 is disposed in the second accommodating cavity, and the brushless motor 3 is connected to the drive circuit board 40; the control board 30 is electrically connected to the drive circuit board 40 through the coupler 60; the EMC module 50 is electrically connected to the drive circuit board 40 through the coupler 60.

[0066] It should be noted that the drive circuit board 40 is provided with an IPM module 41 for driving the brushless motor, a heating tube drive circuit, a detection device control circuit, and a power conversion circuit. At the same time, a heat dissipation module 42 is also provided on the drive circuit board 40, and the heat dissipation module 42 is used for dissipating heat from the drive circuit board 40.

[0067] As an alternative embodiment of the present application, the drive circuit board 40 is fixed on the housing of the cup holder 20 on the side close to the second accommodating cavity.

[0068] Exemplarily, combined with Figure 5 As shown, the cup holder 20 includes: a cup body housing and a cup base. The drive circuit board 40 is disposed on the cup body housing 108, and the IPM module 41 of the drive circuit and the heat dissipation module 42 are disposed adjacent to each other.

[0069] As an alternative embodiment of the present application, the EMC module 50 is disposed inside the main body 10, and the power supply line is connected to the drive circuit board 40 through the EMC module 50.

[0070] Exemplarily, the host 10 includes a main body housing and a main body base. In combination with Figure 6 As shown, the EMC module 50 is disposed on the main body base 113 of the host 10.

[0071] As another alternative embodiment of the present application, the EMC module 50 is integrated on a power line, and the power line is connected to the drive circuit board 40 through a coupler 60.

[0072] As an alternative embodiment of the present application, a display circuit and a key detection circuit are provided on the control board 30.

[0073] As an alternative embodiment of the present application, the coupler 60 is provided with a power line coupling end, a ground line coupling end, a first communication line coupling end, a second communication line coupling end, a live wire coupling end, and a neutral wire coupling end. The control board 30 is connected to the drive circuit board 40 through the power line coupling end, the ground line coupling end, the first communication line coupling end, and the second communication line coupling end. The EMC module 50 is connected to the drive circuit board 40 through the live wire coupling end and the neutral wire coupling end.

[0074] As an alternative embodiment of the present application, an open lid detection device and / or a temperature detection device are further provided in the cup holder 20. The open lid detection device is connected to the drive circuit board 40 and is used to detect the state of the cup lid being screwed in. The temperature detection device is connected to the drive circuit board 40 and is used to detect the temperature data of the food processor.

[0075] It can be understood that through the above connection method, it is possible to realize the electrical connection between the cup holder 20 and the host 10 only by using a coupler 60 with 6 pin pins.

[0076] As an alternative embodiment of the present application, an air inlet duct and an air outlet duct are provided in the host 10; the duct openings of the air inlet duct and the air outlet duct are both communicated with the cup holder 20; wherein, the cooling medium sequentially passes through the air inlet duct, the drive circuit board 40, the brushless motor, and the air outlet duct.

[0077] Exemplarily, the food processor is a wall breaker. The heating tube is in the form of a heating plate. The wall breaker includes a stirring cup lid 100, a glass cup 101, a handle 117, a stirring blade 102, a heating plate 103, a brushless motor 3, an upper coupler 61, a lower coupler 62, a sealing ring 104, a heat insulation sleeve 105, an upper cover 106, a drive circuit board 40, a cup base 107, a cup body housing 108, a main body cover 109, a power line 110, an EMC module 50, an air outlet duct 111, a main body housing 112, a main body base 113, a face sticker 114, a light collecting bracket 115, a control board 30, and an air inlet duct 116, which are installed in sequence from top to bottom. The assembly details of the entire assembly are as Figure 7 shown. The cross-sectional view of the food processor assembled by each component is as Figure 8 andFigure 9 As shown, the front view of the food processor assembled from various components is as Figure 10 shown. In this way, the EMC module is fixed on the main body base, and the drive circuit board 40 is fixed on the cup base. During operation, the heat dissipation method of the drive circuit board is in accordance with Figure 9 shown. The cooling medium flows from the base of the main unit → the air intake duct → the main body cover → the cup body housing → the heat dissipation module of the drive circuit board → the brushless motor, thereby completing the heat dissipation of the drive circuit board and the brushless motor.

[0078] The technical solution protected by the present utility model is not limited to the above embodiments. It should be noted that the combination of the technical solution of any one embodiment with the technical solutions of one or more other embodiments is within the protection scope of the present utility model. Although the present utility model has been described in detail with general descriptions and specific embodiments above, on the basis of the present utility model, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present utility model all belong to the scope required to be protected by the present utility model.

Claims

1. A control system applied to a food processor, the food processor comprising: Main body and cup holder; characterized in that a control board is arranged in the main body; a drive circuit board is arranged in the cup holder, and the drive circuit board integrates an IPM module for driving a brushless motor, a heating tube drive circuit, a detection device control circuit and a power conversion circuit. The drive circuit board is also used for connecting with an EMC module, and the EMC module and the IPM module are separately arranged; the EMC module and the control board are respectively electrically connected with the drive circuit board through couplers.

2. The control system according to claim 1, characterized in that, The control board integrates a display circuit and a key detection circuit.

3. The control system according to claim 1, characterized in that, The coupler is provided with a power line coupling end, a ground line coupling end, a first communication line coupling end and a second communication line coupling end; the control board is connected with the drive circuit board through the power line coupling end, the ground line coupling end, the first communication line coupling end and the second communication line coupling end.

4. The control system according to claim 1, wherein The coupler is provided with a live wire coupling end and a neutral wire coupling end, and the EMC module is connected with the drive circuit board through the live wire coupling end and the neutral wire coupling end.

5. The control system according to any one of claims 1 to 4, characterized in that, The control system further includes a power line; The EMC module is arranged in the main body, and the power line is connected with the drive circuit board through the EMC module; or, The EMC module is integrated on the power line, and the power line is connected with the drive circuit board.

6. The control system according to any one of claims 1 to 4, characterized in that The control system further includes: An open cover detection device, the open cover detection device is connected with the drive circuit board; and / or, A temperature detection device, the temperature detection device is connected with the drive circuit board.

7. The control system according to any one of claims 1 to 4, characterized in that The number of pin pins of the coupler is less than or equal to 6.

8. A food processor, characterized in that, Including: A main body, the main body is provided with a first accommodation cavity; A cup holder, the cup holder is provided with a second accommodation cavity; A control board, arranged in the first accommodation cavity; A drive circuit board, arranged in the second accommodation cavity; A brushless motor, arranged in the second accommodation cavity, and the brushless motor is connected with the drive circuit board; A coupler, the control board is electrically connected with the drive circuit board through the coupler; An EMC module, the EMC module is electrically connected with the drive circuit board through the coupler.

9. The food processor according to claim 8, characterized in that, An air inlet duct and an air outlet duct are arranged in the main body; the duct openings of the air inlet duct and the air outlet duct are both communicated with the cup holder; wherein, the cooling medium sequentially passes through the air inlet duct, the drive circuit board, the brushless motor and the air outlet duct.

10. The food processor according to claim 8, characterized in that, The drive circuit board is fixed on the housing of the cup holder on the side close to the second accommodation cavity.

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