Food processor circuit and food processor

Abstract

The utility model discloses a food processor circuit and a food processor. The circuit comprises a heating unit, a driving unit, an uncovering detection unit, a temperature detection unit and a first coupling unit which are arranged in a cup body, the main control unit and the second coupling unit are arranged in the base; wherein the heating unit and the driving unit are connected with the first coupling unit, and the main control unit is connected with the second coupling unit; when the cup body is placed on the base, the first coupling unit is butted with the second coupling unit; the first coupling unit is provided with a first main needle angle and a second main needle angle, the second coupling unit is provided with a first auxiliary needle angle and a second auxiliary needle angle, and the cover opening detection unit and the temperature detection unit are connected in series between the first main needle angle and the second main needle angle; when the cup body is placed on the base, the first main needle angle is in butt joint with the first auxiliary needle angle, and the second main needle angle is in butt joint with the second auxiliary needle angle. When the driving unit is arranged on the cup body, the universal coupler is still used, and all devices in the cup body are connected with the main control unit.

Description

Technical Field

[0001] The present application relates to the technical field of household appliances, and more specifically, to a food processor circuit and a food processor. Background Art

[0002] With the development of science and technology, food processors such as wall breaking machines have been widely used. The food processor is equipped with a main control board, a driving unit, a heating unit, a temperature detection unit, a cover opening detection unit and other working devices; the above working devices need to be connected to the main control board.

[0003] A food processor generally consists of a cup body and a base, and the main control board is located in the base. The connection method between the above-mentioned working devices and the main control board is related to the location of the working devices. When the working devices are located in the base, they can be directly connected to the main control board. When the working devices are located in the cup body, they need to be connected to the main control board through a coupler. The coupler generally includes two coupling units, one coupling unit is located in the cup body and connected to the working device in the cup body, and the other coupling unit is located in the base and connected to the main control board. When the cup body is placed on the base, the two coupling units are docked. After docking, the working device is connected to the main control board.

[0004] In the prior art, such as Figure 1 As shown, the heating unit 140, the cover opening detection unit 130 and the temperature detection unit 120 are arranged in the cup body, and the above working components can be connected to the main control board through a coupler with 6 pins. When the driving unit is also arranged in the cup body, the number of pins of the coupler needs to be increased. However, the number of pins of the general-purpose coupler is 6. Increasing the number of pins of the coupler will cause the food processor to be unable to use a general coupler, and a special coupler must be customized for the food processor, which increases the manufacturing cost of the food processor. Utility Model Content

[0005] The purpose of the present application is to provide a food processor circuit and a food processor, which can connect a driving unit placed on a cup body to a main control unit without increasing the coupler needle angle; in addition, the present application can also determine the state of the cup body without increasing the coupler needle angle.

[0006] The embodiment of the present application is implemented as follows:

[0007] In a first aspect, the present application provides a food processor circuit, which is applied to a food processor, the food processor comprising a detachably connected cup body and a base, the cup body being detachably connected with a cup cover, the food processor circuit comprising: a heating unit, a driving unit, a cover opening detection unit, a temperature detection unit and a first coupling unit arranged in the cup body; a main control unit and a second coupling unit arranged in the base; wherein the heating unit and the driving unit are connected to the first coupling unit, and the main control unit is connected to the second coupling unit; when the cup body is placed on the base, the first coupling unit is docked with the second coupling unit; the first coupling unit is provided with a first main needle angle and a second main needle angle, the second coupling unit is provided with a first secondary needle angle and a second secondary needle angle, the cover opening detection unit and the temperature detection unit are connected in series between the first main needle angle and the second main needle angle; when the cup body is placed on the base, the first main needle angle is docked with the first secondary needle angle, and the second main needle angle is docked with the second secondary needle angle.

[0008] In one embodiment, the food processor circuit further includes a controller and a cover-opening detection circuit disposed in the main control unit, and the cover-opening detection circuit is connected to the first auxiliary needle angle, the second auxiliary needle angle and the controller;

[0009] When the cup body is placed on the base and the cup cover is closed on the cup body, the cover opening detection circuit outputs a first detection signal to the controller; when the cup body is placed on the base and the cup cover is not closed on the cup body, the cover opening detection circuit outputs a second detection signal to the controller.

[0010] In one embodiment, the food processor circuit further includes a switch power module disposed in the main control unit; and the cover opening detection circuit includes:

[0011] A first resistor, one end of the first resistor is connected to the first secondary pin corner, and the other end of the first resistor is connected to the controller;

[0012] A second resistor, one end of the second resistor is connected to the connection line between the first resistor and the first secondary pin angle, and the other end of the second resistor is connected to the output end of the switching power supply module;

[0013] A first capacitor, one end of the first capacitor is connected to the connection line between the first resistor and the controller, and the other end of the first capacitor is connected to the second auxiliary pin angle and the ground end.

[0014] In one embodiment, the food processor circuit further includes a switching device disposed in the main control unit;

[0015] The first coupling unit is also provided with a third main needle angle, a fourth main needle angle and a fifth main needle angle; the driving unit is connected between the third main needle angle and the fourth main needle angle, and the heating unit is connected between the third main needle angle and the fifth main needle angle;

[0016] The second coupling unit is also provided with a third secondary pin angle, a fourth secondary pin angle and a fifth secondary pin angle; the third secondary pin angle is connected to the first power line in the main control unit; the fourth secondary pin angle and the fifth secondary pin angle are connected to the switching device, and the switching device is connected to the second power line;

[0017] When the cup body is placed on the base, the third main needle angle is butted against the third auxiliary needle angle, the fourth main needle angle is butted against the fourth auxiliary needle angle, and the fifth main needle angle is butted against the fifth auxiliary needle angle;

[0018] Among them, the switching device has a first state and a second state. When the cup body is placed on the base and the switching device is in the first state, the driving unit is connected to the second power line; when the cup body is placed on the base and the switching device is in the second state, the heating unit is connected to the second power line.

[0019] In one embodiment, the food processor circuit further includes a controller and a power control device disposed in the main control unit. The power control device is disposed on a connection line between the switching device and the second power line, and the power control device is connected to the controller.

[0020] In one embodiment, the food processor circuit further includes a cup body detection circuit disposed in the main control unit, one end of the cup body detection circuit is connected to the connection line between the power control device and the switching device, and the other end of the cup body detection circuit is connected to the controller;

[0021] When the cup body is placed on the base, the cup body detection circuit outputs a first measurement signal to the controller; when the cup body is not placed on the base, the cup body detection circuit outputs a second measurement signal to the controller.

[0022] In one embodiment, the switching device includes a relay, the relay includes a control terminal, a moving contact, a first static contact and a second static contact; the first static contact is connected to the fifth secondary pin corner, the second static contact is connected to the fourth secondary pin corner; the moving contact is connected to the second power line;

[0023] Among them, a controller is also provided in the main control unit; the control end is connected to the controller; the controller is used to control the relay to be in the first state or the second state through the control end; when the relay is in the first state, the moving contact is connected to the second static contact; when the relay is in the second state, the moving contact is connected to the first static contact.

[0024] In one embodiment, the power control device includes a thyristor, a first electrode of the thyristor is connected to the switching device, a second electrode of the thyristor is connected to the second power line, and a control electrode of the thyristor is connected to the controller.

[0025] In one embodiment, the cup body detection circuit includes:

[0026] a first diode, wherein an anode of the first diode is connected to a connection line between the power control device and the switching device;

[0027] a third resistor and a fourth resistor, one end of the third resistor is connected to the cathode of the first diode, the other end of the third resistor is connected to one end of the fourth resistor, and the other end of the fourth resistor is connected to the controller;

[0028] a fifth resistor, one end of the fifth resistor being connected to a connection line between the fourth resistor and the controller, and the other end of the fifth resistor being grounded;

[0029] A filter capacitor, wherein the positive electrode of the filter capacitor is connected to the connection line between the fourth resistor and the controller, and the negative electrode of the filter capacitor is grounded.

[0030] In a second aspect, the present application provides a food processor, which includes a base, a cup body and a cup cover; wherein the cup body is detachably arranged on the base, and the cup cover is detachably arranged on the cup body; the food processor also includes the above-mentioned food processor circuit.

[0031] The beneficial effects of this application compared with the prior art are:

[0032] In the present application, the cover opening detection unit and the temperature detection unit are connected in series between the two pins of the coupler; the temperature detection unit and the cover opening detection unit are connected to the main control unit using the two pins of the coupler; compared with Figure 1 Compared with the prior art shown in the figure, the present application realizes connecting the driving unit placed on the cup body with the main control unit without increasing the needle angle; it realizes that when the driving unit is placed on the cup body, a universal coupler is still used to connect the various devices in the cup body with the main control unit, saving the manufacturing cost of the food processor. In addition, the present application can also determine the state of the cup body without increasing the needle angle of the coupler. Specifically, determining the state of the cup body can include determining the heating temperature in the cup body, determining whether the cup body is installed in place, and determining whether the cup cover is installed in place.

[0033] Furthermore, in the present application, a lid opening detection circuit is provided in the main control unit, and when the cup body is placed on the base, the lid opening detection unit and the temperature detection unit are connected to the lid opening detection circuit to form a detection circuit; when the cup lid is closed on the cup body and when the cup lid is not closed on the cup body, the detection circuit will output different detection signals, and whether the cup lid is closed on the cup body can be determined according to the type of the detection signal. After the cup lid is closed on the cup body, the above detection circuit can output the detection result of the temperature inside the cup body by the temperature detection unit, and the current temperature inside the cup body can be determined according to the above detection result. It can be seen from this that in the present application, the same detection circuit can be used to detect the temperature inside the cup body and determine whether the cup lid is in place; in addition, in the present application, the method for determining whether the cup lid is in place is simple and easy to implement.

[0034] Furthermore, in the present application, a switching device is provided in the main control unit, and when the cup body is placed on the base, the switching device is connected to the driving unit and the heating unit. After the connection is successful, by controlling the working state of the switching device, it is possible to control which specific device in the driving unit and the heating unit is powered on, and the power-on control method is simple.

[0035] Furthermore, in the present application, a power control device connected to the switching device is provided in the main control unit, and when the cup body is placed on the base, the driving unit and the heating unit are connected to the power control device through the switching device. After the connection is successful, the driving unit or the heating unit is powered on, and after the power is turned on, it can be detected that the cup body has been successfully placed on the base; it is achieved that at the moment the cup body is placed on the base, it can be effectively detected that the cup body is in place, and the detection of whether the cup body is in place is highly sensitive and accurate. In addition, in the present application, if the driving unit is powered on, the power control device can control the operating power of the driving unit; if the heating unit is powered on, the power control device can control the operating power of the heating unit. It can be seen from this that the power control method in the present application is simple and easy to implement.

[0036] Finally, in this application, a cup body detection circuit is set in the main control unit, and the cup body detection circuit is connected between the switching device and the power control device. In this connection mode, when the cup body is placed on the base, the drive unit or the heating unit is powered on, and after power-on, the cup body detection circuit will output a measurement signal with a voltage value other than 0V; when the cup body is not placed on the base, the drive unit and the heating unit are disconnected from the main control unit, and the cup body detection circuit outputs a measurement signal with a voltage value of 0V. According to the voltage value of the measurement signal, it can be determined whether the cup body is placed on the base, and the method for determining whether the cup body is in place is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 It is a schematic diagram of the connection between the components in the cup body and the coupler in the prior art;

[0039] Figure 2 This is a schematic diagram of the structure of a food processor circuit according to the first embodiment of the present application;

[0040] Figure 3 A schematic diagram of the connection between the second coupling unit and the main control unit shown in the first embodiment of the present application;

[0041] Figure 4 This is a structural schematic diagram of a food processor circuit according to a second embodiment of the present application;

[0042] Figure 5 This is a schematic diagram of the connection between the second coupling unit and the main control unit shown in the second embodiment of the present application.

[0043] Reference numerals:

[0044] 1-food processor circuit; 10-cup body; 110-first coupling unit; 120-temperature detection unit; 130-cover opening detection unit; 140-heating unit; 150-driving unit; 20-base; 210-second coupling unit; 220-main control unit; 221-cover opening detection circuit; 222-controller; 223-switching power supply module; 224-switching device; 225-second driving circuit; 226-power control device; 227-first driving circuit; 228-cup body detection circuit. DETAILED DESCRIPTION

[0045] The terms “first”, “second”, “third”, etc. are only used for distinguishing descriptions and do not indicate the order of arrangement, nor can they be understood as indicating or implying relative importance.

[0046] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0047] In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the products of the present application are usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0048] In the description of this application, unless otherwise clearly specified and limited, the terms "set", "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0049] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings.

[0050] In one embodiment, the present application provides a food processor, which may be a food processing device such as a wall breaking machine and a soy milk machine. The food processor in this embodiment includes a base 20, a cup body 10, a cup cover, and a food processor circuit 1; wherein the cup body 10 is detachably disposed on the base 20, and the cup cover is detachably disposed on the cup body 10.

[0051] Please refer to Figure 2 , which is a schematic diagram of the structure of the food processor circuit 1 shown in the first embodiment of the present application. Figure 2 As shown, the food processor circuit 1 includes: a heating unit 140, a driving unit 150, a cover opening detection unit 130, a temperature detection unit 120 and a first coupling unit 110 arranged in the cup body 10; a main control unit 220 and a second coupling unit 210 arranged in the base 20. Figure 2 The heating unit 140 and the driving unit 150 are not shown in the figure. The heating unit 140 can be a heater, and the heating unit 140 is used to heat the material in the cup body 10 under the control of the main control unit; the driving unit 150 can be a motor, and a cutter is provided in the cup body 10. The driving unit 150 is used to drive the cutter to operate under the control of the main control unit, so that the cutter can crush the material in the cup body 10; the temperature detection unit 120 can be a temperature sensor, and the temperature detection unit 120 is used to detect the temperature of the material in the cup body 10 under the control of the main control unit; the cover opening detection unit 130 can be a micro switch, and the cover opening detection unit 130 can be arranged on the handle of the cup body 10. When the cup cover is closed on the cup body, the cover opening detection unit is closed; when the cup cover is not closed on the cup body, the cover opening detection unit is disconnected.

[0052] The heating unit 140 and the driving unit 150 are connected to the first coupling unit 110 ( Figure 2 (not shown), the main control unit 220 is connected to the second coupling unit 210; when the cup body 10 is placed on the base 20, the first coupling unit 110 is docked with the second coupling unit 210, and after docking, the heating unit 140 and the driving unit 150 are connected to the main control unit 220, and the main control unit 220 can control the working status of the heating unit 140 and the driving unit 150.

[0053] like Figure 2As shown, the first coupling unit 110 is provided with a first main needle angle H1 and a second main needle angle H2, and the cover opening detection unit 130 and the temperature detection unit 120 are connected in series between the first main needle angle H1 and the second main needle angle H2; the second coupling unit 210 is provided with a first secondary needle angle F1 and a second secondary needle angle F2, and the first secondary needle angle F1 and the second secondary needle angle F2 are connected to the main control unit 220; when the cup body 10 is placed on the base 20, the first main needle angle H1 is docked with the first secondary needle angle F1, and the second main needle angle H2 is docked with the second secondary needle angle F2; after docking, the cover opening detection unit 130 and the temperature detection unit 120 are connected to the main control unit 220. After the connection, if the cup body is placed on the base and the cup cover is covered on the cup body 10, the cover opening detection unit 130 is closed; the main control unit 220 can receive the first detection signal; if the cup body is placed on the base and the cup cover is not covered on the cup body 10, the cover opening detection unit 130 is disconnected, and the main control unit receives the second detection signal. The main control unit 220 can determine whether the cup cover is covered on the cup body 10 according to the type of the received detection signal.

[0054] from Figure 2 As can be seen from the figure, in the present application, the cover opening detection unit 130 and the temperature detection unit 120 are connected in series between the two pins of the coupler; the temperature detection unit 120 and the cover opening detection unit 130 are connected to the main control unit 220 using the two pins of the coupler; compared with Figure 1 Compared with the method in the prior art shown in the figure, the present application saves one pin corner, and the saved pin corner can be used for connecting the drive unit 150 with the main control unit 220, thereby realizing the connection between the drive unit 150 placed on the cup body 10 and the main control unit 220 without increasing the pin corner; further, when the drive unit 150 is placed on the cup body 10, a universal coupler is still used to connect the various devices in the cup body 10 with the main control unit 220, thereby saving the manufacturing cost of the food processor.

[0055] Please refer to Figure 3 , which is a schematic diagram of the connection between the second coupling unit 210 and the main control unit 220 shown in the first embodiment of the present application. Figure 3 As shown, the main control unit 220 is provided with a controller 222 and a cover opening detection circuit 221; the first secondary needle angle F1 and the second secondary needle angle F2 are connected to the cover opening detection circuit 221 in the main control unit 220, and the cover opening detection circuit 221 is also connected to the controller 222. When the cup body 10 is placed on the base 20 and the cup cover is covered on the cup body 10, the cover opening detection unit 130 is closed, and the cover opening detection circuit outputs a first detection signal to the controller 222; when the cup body 10 is placed on the base 20 and the cup cover is not covered on the cup body 10, the cover opening detection unit 130 is disconnected, and the cover opening detection circuit outputs a second detection signal to the controller 222; the controller 222 can determine whether the cup cover is covered on the cup body 10 according to the type of the detection signal.

[0056] In one embodiment, if Figure 3 As shown, the main control unit 220 is also provided with a switch power module 223; the cover opening detection circuit 221 includes a first resistor R1, a second resistor R2 and a first capacitor C11; wherein, one end of the first resistor R1 is connected to the first secondary pin angle F1, and the other end of the first resistor R1 is connected to the controller 222; one end of the second resistor R2 is connected to the connection line between the first resistor R1 and the first secondary pin angle F1, and the other end of the second resistor R2 is connected to the output end of the switch power module 223; one end of the first capacitor C11 is connected to the connection line between the first resistor R1 and the controller 222, and the other end of the first capacitor C11 is connected to the second secondary pin angle F2 and the ground end. Exemplarily, the output voltage of the switch power module 223 can be 5V. In this embodiment, when the cup body 10 is placed on the base 20 and the cup cover is closed on the cup body 10, the cover opening detection circuit outputs a first detection signal with a voltage value change to the controller. When the cup body 10 is placed on the base 20 and the cup cover is not closed on the cup body 10, the cover opening detection unit 130 is disconnected, and the cover opening detection circuit outputs a second detection signal with a stable voltage value to the controller. The voltage value of the first detection signal is always smaller than the voltage value of the second detection signal.

[0057] Please refer to Figure 4 , which is a schematic diagram of the structure of the food processor circuit 1 shown in the second embodiment of the present application. Figure 4 As shown, the first coupling unit 110 is also provided with a third main needle angle H3, a fourth main needle angle H4 and a fifth main needle angle H5, and the second coupling unit 210 is also provided with a third secondary needle angle F3, a fourth secondary needle angle F4 and a fifth secondary needle angle F5; the driving unit 150 is connected between the third main needle angle H3 and the fourth main needle angle H4, and the heating unit 140 is connected between the third main needle angle H3 and the fifth main needle angle H5; the third secondary needle angle F3, the fourth secondary needle angle F4 and the fifth secondary needle angle F5 are connected to the main control unit 220. When the cup body 10 is placed on the base 20, the third main needle angle H3 is docked with the third secondary needle angle F3, the fourth main needle angle H4 is docked with the fourth secondary needle angle F4, and the fifth main needle angle H5 is docked with the fifth secondary needle angle F5; after the docking is completed, the driving unit 150 and the heating unit 140 are connected to the main control unit 220, and the main control unit 220 can control the working state of the heating unit 140 and the driving unit 150.

[0058] In one embodiment, if Figure 4 As shown, the first coupling unit 110 is also provided with a sixth main needle angle H6, and the second coupling unit 210 is also provided with a sixth sub-needle angle F6, the sixth main needle angle H6 is connected to the grounding end of the driving unit and the heating unit; the sixth sub-needle angle F6 is connected to the ground wire in the main control unit; when the cup body is placed on the base, the sixth main needle angle H6 is connected to the sixth sub-needle angle F6.

[0059] Please refer to Figure 5 , which is a schematic diagram of the connection between the second coupling unit 210 and the main control unit 220 shown in the second embodiment of the present application. Figure 5 As shown, the main control unit 220 is provided with a switching device 224; the fourth secondary pin angle F4 and the fifth secondary pin angle F5 are connected to the switching device 224, and the switching device 224 is connected to the second power line in the main control unit 220, as shown in FIG. Figure 5 As shown, the second power line may be a live line L. In another embodiment, the second power line may be a neutral line N. The third secondary pin F3 is connected to the first power line in the main control unit 220, such as Figure 5 As shown, the first power line can be a neutral line N; in another embodiment, the first power line can be a live line L. The switching device 224 has a first state and a second state. When the cup body 10 is placed on the base 20 and the switching device 224 is in the first state, the driving unit 150 is connected to the second power line. After the connection is successful, the driving unit 150 forms a loop with the first power line and the second power line, and the driving unit 150 is powered on; when the cup body 10 is placed on the base 20 and the switching device 224 is in the second state, the heating unit 140 is connected to the second power line. After the connection is successful, the driving unit 150 forms a loop with the first power line and the second power line, and the heating unit 140 is powered on.

[0060] In one embodiment, if Figure 5 As shown, the switching device 224 includes a relay RL21, and the relay RL21 includes a control end, a moving contact K1, a first static contact K2 and a second static contact K3; the first static contact K2 is connected to the fifth sub-pin angle F5, and the second static contact K3 is connected to the fourth sub-pin angle F4; the moving contact K1 is connected to the second power line; wherein, the control end is connected to the controller 222 through the second drive circuit 225; the controller 222 is used to control the relay to be in the first state or the second state through the control end; when the relay is in the first state, the moving contact K1 is connected to the second static contact K3, and the drive unit 150 is energized after the connection; when the relay is in the second state, the moving contact K1 is connected to the first static contact K2, and the heating unit 140 is energized after the connection.

[0061] In one embodiment, if Figure 5 As shown, the main control unit 220 is provided with a power control device 226, which is provided on the connection line between the switching device 224 and the second power line, and the power control device 226 is connected to the controller 222 through the first drive circuit 227. When the heating unit 140 is powered on, the power control device 226 can control the working power of the heating unit 140 under the control of the controller 222. When the driving unit 150 is powered on, the power control device 226 can control the working power of the driving unit 150 under the control of the controller 222.

[0062] In one embodiment, if Figure 5 As shown, the power control device 226 includes a thyristor, a first pole T2 of the thyristor is connected to the moving contact K1 of the switching device 224, a second pole T1 of the thyristor is connected to the second power line, and a control pole G of the thyristor is connected to the controller 222 through a first drive circuit 227.

[0063] In one embodiment, if Figure 5 As shown, a cup body detection circuit 228 is also provided in the main control unit 220, one end of the cup body detection circuit 228 is connected to the connection line between the power control device 226 and the switching device 224; the other end of the cup body detection circuit 228 is connected to the controller 222. When the cup body 10 is placed on the base 20, the driving unit 150 or the heating unit 140 is powered on, and the cup body detection circuit 228 outputs a first measurement signal to the controller 222; when the cup body 10 is not placed on the base 20, the cup body detection circuit 228 outputs a second measurement signal to the controller 222; the controller 222 can determine whether the cup body 10 is placed on the base 20 according to the type of signal output by the cup body detection circuit 228.

[0064] In one embodiment, if Figure 5 As shown, the cup body detection circuit 228 includes a first diode D21, a third resistor R21, a fourth resistor R22, a fifth resistor R23 and a filter capacitor EC21; wherein, the anode of the first diode D21 is connected to the connection line between the power control device 226 and the switching device 224; one end of the third resistor R21 is connected to the cathode of the first diode D21, the other end of the third resistor R21 is connected to one end of the fourth resistor R22, and the other end of the fourth resistor R22 is connected to the controller 222; one end of the fifth resistor R23 is connected to the connection line between the fourth resistor R22 and the controller 222, and the other end of the fifth resistor R23 is grounded; the positive electrode of the filter capacitor EC21 is connected to the connection line between the fourth resistor R22 and the controller 222, and the negative electrode of the filter capacitor EC21 is grounded. When the cup body 10 is placed on the base 20, the driving unit or the heating unit is powered on, and the anode of the first diode D21 generates a sinusoidal half-wave voltage signal. The third resistor R21, the fourth resistor R22 and the fifth resistor R23 divide the above voltage signal. The divided voltage signal is rectified by the filter capacitor EC21 and becomes a first measurement signal with a stable voltage value. The controller receives the above first measurement signal; wherein the voltage value of the first measurement signal is not equal to 0V; when the cup body 10 is not placed on the base 20, there is no voltage signal at the anode of the first diode D21, and the controller 222 receives a second measurement signal with a voltage value of 0V.

[0065] The following is a specific method for determining whether the cup cover is closed and whether the cup body 10 is placed on the base 20:

[0066] The controller 222 detects the voltage value of the received detection signal according to the period T, and compares the voltage value with the first preset voltage threshold AD1; if the comparison result shows that the voltage value is greater than the first preset voltage threshold AD1, it is considered abnormal, and the abnormal number t1 is increased by 1; if the comparison result shows that the voltage value is less than the first preset voltage threshold AD1, the abnormal number t1 is reduced by 1 until t1 is 0;

[0067] The controller 222 detects the voltage value of the received measurement signal according to the period T, and compares the voltage value with the second preset voltage threshold AD2; if the comparison result shows that the voltage value is less than the second preset voltage threshold AD2, it is considered abnormal, and the number of abnormal times t2 is increased by 1; if the comparison result shows that the voltage value is greater than the second preset voltage threshold AD2, the number of abnormal times t2 is reduced by 1 until t2 is 0.

[0068] (1) If the number of abnormal times t1 is less than the first preset number T1, and the number of abnormal times t2 is less than the second preset number T2, it is considered that the cup body 10 is placed on the base 20, and the cup cover is closed on the cup body 10;

[0069] (2) If the abnormal number t1 is greater than the first preset number T1, and the abnormal number t2 is less than the second preset number T2, it is considered that the cup body 10 is placed on the base 20, and the cup cover is not covered on the cup body 10;

[0070] (3) If the abnormal number t1 is greater than the first preset number T1 and the abnormal number t2 is greater than the second preset number T2, it is considered that the cup body 10 is not placed on the base 20.

[0071] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A food processor circuit, applied to a food processor, the food processor comprising a detachably connected cup body and a base, the cup body being detachably connected to a cup cover, characterized in that: The food processor circuit comprises: A heating unit, a driving unit, a cover opening detection unit, a temperature detection unit and a first coupling unit are arranged in the cup body; A main control unit and a second coupling unit disposed in the base; The heating unit and the driving unit are connected to the first coupling unit, and the main control unit is connected to the second coupling unit; when the cup body is placed on the base, the first coupling unit is connected to the second coupling unit; The first coupling unit is provided with a first main needle angle and a second main needle angle, the second coupling unit is provided with a first secondary needle angle and a second secondary needle angle, the cover opening detection unit and the temperature detection unit are connected in series between the first main needle angle and the second main needle angle; when the cup body is placed on the base, the first main needle angle is connected to the first secondary needle angle, and the second main needle angle is connected to the second secondary needle angle.

2. The food processor circuit according to claim 1, characterized in that: The food processor circuit further includes a controller and a cover-opening detection circuit disposed in the main control unit, wherein the cover-opening detection circuit is connected to the first auxiliary needle angle, the second auxiliary needle angle and the controller; Wherein, when the cup body is placed on the base and the cup cover is closed on the cup body, the cover opening detection circuit outputs a first detection signal to the controller; when the cup body is placed on the base and the cup cover is not closed on the cup body, the cover opening detection circuit outputs a second detection signal to the controller.

3. The food processor circuit according to claim 2, characterized in that: The food processor circuit also includes a switch power supply module disposed in the main control unit; the cover opening detection circuit includes: a first resistor, one end of the first resistor being connected to the first secondary pin corner, and the other end of the first resistor being connected to the controller; A second resistor, one end of the second resistor is connected to the connection line between the first resistor and the first secondary pin angle, and the other end of the second resistor is connected to the output end of the switching power supply module; A first capacitor, one end of the first capacitor is connected to the connection line between the first resistor and the controller, and the other end of the first capacitor is connected to the second auxiliary pin angle and the ground.

4. The food processor circuit according to claim 1, characterized in that: The food processor circuit further includes a switching device disposed in the main control unit; The first coupling unit is also provided with a third main needle angle, a fourth main needle angle and a fifth main needle angle; the driving unit is connected between the third main needle angle and the fourth main needle angle, and the heating unit is connected between the third main needle angle and the fifth main needle angle; The second coupling unit is also provided with a third secondary pin angle, a fourth secondary pin angle and a fifth secondary pin angle; the third secondary pin angle is connected to the first power line in the main control unit; the fourth secondary pin angle and the fifth secondary pin angle are connected to a switching device, and the switching device is connected to the second power line; When the cup body is placed on the base, the third main needle angle is butted against the third secondary needle angle, the fourth main needle angle is butted against the fourth secondary needle angle, and the fifth main needle angle is butted against the fifth secondary needle angle; Wherein, the switching device has a first state and a second state. When the cup body is placed on the base and the switching device is in the first state, the driving unit is connected to the second power line; when the cup body is placed on the base and the switching device is in the second state, the heating unit is connected to the second power line.

5. The food processor circuit according to claim 4, characterized in that: The food processor circuit also includes a controller and a power control device disposed in the main control unit. The power control device is disposed on a connection line between the switching device and the second power line, and the power control device is connected to the controller.

6. The food processor circuit according to claim 5, characterized in that: The food processor circuit further includes a cup body detection circuit disposed in the main control unit, one end of the cup body detection circuit is connected to the connection line between the power control device and the switching device, and the other end of the cup body detection circuit is connected to the controller; Wherein, when the cup body is placed on the base, the cup body detection circuit outputs a first measurement signal to the controller; when the cup body is not placed on the base, the cup body detection circuit outputs a second measurement signal to the controller.

7. The food processor circuit according to claim 4, characterized in that: The switching device includes a relay, and the relay includes a control terminal, a moving contact, a first static contact, and a second static contact; the first static contact is connected to the fifth secondary pin corner, and the second static contact is connected to the fourth secondary pin corner; the moving contact is connected to the second power line; In which, a controller is also provided in the main control unit; the control end is connected to the controller; the controller is used to control the relay to be in a first state or a second state through the control end; when the relay is in the first state, the moving contact is connected to the second static contact; when the relay is in the second state, the moving contact is connected to the first static contact.

8. The food processor circuit according to claim 5, characterized in that: The power control device comprises a thyristor, a first pole of the thyristor is connected to the switching device, a second pole of the thyristor is connected to the second power line, and a control pole of the thyristor is connected to the controller.

9. The food processor circuit according to claim 6, characterized in that: The cup body detection circuit comprises: a first diode, wherein an anode of the first diode is connected to a connection line between the power control device and the switching device; a third resistor and a fourth resistor, wherein one end of the third resistor is connected to the cathode of the first diode, the other end of the third resistor is connected to one end of the fourth resistor, and the other end of the fourth resistor is connected to the controller; a fifth resistor, one end of which is connected to a connection line between the fourth resistor and the controller, and the other end of which is grounded; A filter capacitor, wherein the positive electrode of the filter capacitor is connected to the connection line between the fourth resistor and the controller, and the negative electrode of the filter capacitor is grounded.

10. A food processor, characterized in that: The food processor comprises: Pedestal; A cup body, detachably arranged on the base; A cup cover, detachably connected to the cup body; A food processor circuit as claimed in any one of claims 1 to 9.

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