CN210493839U - Food processer circuit and food processer - Google Patents

Abstract

The application provides a cooking machine circuit and cooking machine. The cooking machine circuit is used for cooking machine. The food processer circuit comprises a power supply circuit, a sensing trigger piece, a sensing switch, a driving switching circuit, a control circuit and a controller. The induction trigger piece is arranged on the cup cover assembly. And the inductive switch is arranged on the cup body assembly. And the driving switching circuit is connected with the at least two loads, switches between the at least two loads and is connected with the power supply circuit. And the control circuit is electrically connected with the inductive switch in a non-isolated mode and is electrically connected with the driving switching circuit. And the controller is electrically connected with the control circuit and the driving switching circuit, controls the control circuit to control the driving switching circuit to switch between at least two loads and controls the driving switching circuit to drive the loads. The cooking machine comprises a host, a cup body assembly, a cup cover assembly and the cooking machine circuit.

Description

Food processer circuit and food processer

Technical Field

The application relates to the field of small household appliances, in particular to a food processor circuit and a food processor.

Background

With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like.

Some cooking machines have the protect function that uncaps, and host computer stop drive work when the bowl cover subassembly is opened avoids the host computer drive blade to rotate under the state that the bowl cover subassembly was opened and accidentally injures user's potential safety hazard. In the prior art, a structure that a connecting rod triggers a microswitch is generally adopted to realize uncovering protection. However, due to the problems of stroke errors of the micro-switches, length errors of connecting rods, assembly errors and/or size errors of the cups and the like, the micro-switches are different in stroke, the power of the main machine is easily cut off, cover opening protection cannot be effectively achieved, and serious potential safety hazards are brought to product use.

SUMMERY OF THE UTILITY MODEL

The application provides a high cooking machine circuit and cooking machine of security.

One aspect of the present application provides a disposer circuit, including: a power supply circuit; the induction trigger piece is arranged on the cup cover assembly; the induction switch is arranged on the cup body assembly, and when the cup cover assembly covers the cup body assembly, the induction trigger piece is positioned in an induction area of the induction switch to close the induction switch; when the cup cover assembly is opened, the induction trigger is outside the induction area of the induction switch, and the induction switch is opened; a drive switching circuit connected to at least two loads, switching between the at least two loads, and connected to the power supply circuit; the control circuit is electrically connected with the inductive switch in a non-isolated mode and is electrically connected with the driving switching circuit; and the controller is electrically connected with the control circuit and the driving switching circuit, controls the control circuit to control the driving switching circuit to switch between at least two loads and controls the driving switching circuit to drive the loads.

Further, the inductive switch comprises a magnetic switch, and the inductive trigger comprises a magnetic part. The induction trigger piece is located induction switch's induction zone and can trigger induction switch closure, utilizes induction trigger piece and induction switch, and the security is higher.

The control circuit comprises a triode electrically connected with the inductive switch in a non-isolated mode, a collector of the triode is electrically connected with the driving switching circuit, an emitter of the triode is electrically connected with one end of the inductive switch, the other end of the inductive switch is grounded, the controller comprises a control port electrically connected with a base of the triode, and when the inductive switch is closed, the controller controls the triode to be switched on and off through the control port to control the driving switching circuit to switch between at least two loads. The on-off of the inductive switch controls the on-off of the control circuit so as to control the drive switching circuit, and when the cup cover assembly is opened, the inductive switch is opened to cut off the power of at least one load and realize the cover opening protection.

Further, the control circuit comprises a diode electrically connected with the triode, the anode of the diode is electrically connected with the control port of the controller, and the cathode of the diode is electrically connected with the base of the triode. The diode is arranged, so that the misjudgment of the controller can be prevented.

Further, the controller includes a driving port, the driving switching circuit includes a driving circuit electrically connected to the driving port, and the controller controls the driving circuit to drive the load through the driving port.

Further, the driving switching circuit comprises a switching circuit, the switching circuit is electrically connected with the driving circuit, the control circuit and the loads, and the controller controls the switching circuit to switch between at least two loads through the control port. At least two loads are not mutually influenced, and can share the driving circuit, and the circuit is simple.

Further, the switching circuit comprises a switch electrically connected with the driving circuit and at least two loads, the switch is electrically connected with the triode, and the controller controls the switch by controlling the on-off of the triode so that the driving circuit is switched between at least two loads. The circuit is simple.

Further, the load comprises a motor and a heating device, the change-over switch comprises a relay, the relay comprises a movable contact, a normally open contact and a normally closed contact, the movable contact is electrically connected with the driving circuit, the normally closed contact is electrically connected with the heating device, and the normally open contact is electrically connected with the motor;

when the cup cover assembly covers the cup body assembly, the controller controls the relay to switch between the motor and the heating device;

when the cup cover assembly is opened, the controller controls the relay to be powered off, and the movable contact of the relay is communicated with the normally closed contact of the relay, so that the driving circuit is communicated with the heating device. Effectively realize uncapping the protection, improve the safety in utilization.

Further, the power supply circuit includes a first power supply line and a second power supply line, and when the power supply circuit is connected to a power supply, the first power supply line is in communication with one end of the power supply, the second power supply line is in communication with the other end of the power supply, the first power supply line is in communication with one end of the load, the drive switching circuit is connected to the other end of the load, and the drive switching circuit is in communication with the second power supply line. Because of the inductive element security is high, the security can be guaranteed, so when the bowl cover subassembly is opened and the lid closes, load and power can all keep the intercommunication, and drive switching circuit can all keep the intercommunication with the power to so design, the circuit is simple.

Another aspect of the present application provides a food processor. The food processor comprises a host; the cup body assembly can be installed on the main machine; the cup cover component can be covered on the cup body component; and the food processer circuit.

The control circuit of the cooking machine circuit of some embodiments of this application is connected with inductive switch non-isolation electricity, inductive switch's break-make, control circuit's break-make, thereby control drive switching circuit, when the bowl cover subassembly is opened, inductive switch opens, make at least one load outage, realize the protection of uncapping, for the mode that utilizes mechanical control circuit such as safe connecting rod and micro-gap switch to open the power supply in order to realize the protection of uncapping, the problem that the load that causes because of micro-gap switch stroke, assembly error and/or dimensional error etc. can be avoided to this application embodiment, and is safer, and save the cost. And when the cup cover assembly is opened, the control circuit is disconnected on hardware, so that dangerous actions caused by disordered programs can be effectively avoided, and the cover opening protection of the food processor can be effectively realized. Utilize response trigger piece and inductive switch, the security is higher, therefore control circuit and inductive switch non-keep apart the electricity and be connected, can need not to set up isolation element, save components and parts, and the circuit is simple.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a food processor of the present application;

fig. 2 is a circuit block diagram of an embodiment of the food processor circuit of the present application;

fig. 3 is a circuit diagram of an embodiment of the food processor circuit shown in fig. 2.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The cooking machine circuit of this application embodiment for cooking machine. The food processer circuit comprises a power supply circuit, a sensing trigger piece, a sensing switch, a driving switching circuit, a control circuit and a controller. The induction trigger piece is arranged on the cup cover assembly. And the inductive switch is arranged on the cup body assembly. When the cup cover assembly covers the cup body assembly, the induction trigger piece is positioned in an induction area of the induction switch to close the induction switch; when the cup cover assembly is opened, the induction trigger is outside the induction area of the induction switch, and the induction switch is opened. And the driving switching circuit is connected with the at least two loads, switches between the at least two loads and is connected with the power supply circuit. And the control circuit is electrically connected with the inductive switch in a non-isolated mode and is electrically connected with the driving switching circuit. And the controller is electrically connected with the control circuit and the driving switching circuit, controls the control circuit to control the driving switching circuit to switch between at least two loads and controls the driving switching circuit to drive the loads.

The control circuit of the cooking machine circuit of some embodiments of this application is connected with inductive switch non-isolation electricity, inductive switch's break-make, control circuit's break-make, thereby control drive switching circuit, when the bowl cover subassembly is opened, inductive switch opens, make at least one load outage, realize the protection of uncapping, for the mode that utilizes mechanical control circuit such as safe connecting rod and micro-gap switch to open the power supply in order to realize the protection of uncapping, the problem that the load that causes because of micro-gap switch stroke, assembly error and/or dimensional error etc. can be avoided to this application embodiment, and is safer, and save the cost. And when the cup cover assembly is opened, the control circuit is disconnected on hardware, so that dangerous actions caused by disordered programs can be effectively avoided, and the cover opening protection of the food processor can be effectively realized. Utilize response trigger piece and inductive switch, the security is higher, therefore control circuit and inductive switch non-keep apart the electricity and be connected, can need not to set up isolation element, save components and parts, and the circuit is simple.

Fig. 1 is a perspective view of a food processor 10 according to an embodiment of the present application. The food processor 10 includes a main machine 13, a cup body assembly 12, a cup lid assembly 11, and a food processor circuit 17 (refer to fig. 2). In one embodiment, the food processor 10 further includes a motor 191 (refer to fig. 2) and a heating device 192 (refer to fig. 2). The food processor circuit 17 can control the motor 191 and the heating device 192.

In one embodiment, the host 13 is in the form of a stand. The host 13 can provide power, control and drive the food processor 10 to work, and can interact with the user. In some embodiments, a circuit board may be disposed in the host 13, and the food processor circuit 17 may be disposed on the circuit board in the host 13.

The cup assembly 12 may be mounted to a host 13. In one embodiment, the cup assembly 12 is removably mounted to the host 13. The cup body assembly 12 can contain food materials, and the food materials can be stirred, heated and/or vacuumized in the cup body assembly 12. A stirring blade assembly (not shown) can be assembled in the cup body assembly 12, and the motor 191 can drive the stirring blade assembly to rotate so as to stir the food material. The cup assembly 12 includes a cup 14 and a cup handle 15 disposed on one side of the cup.

The cup cover component 11 can be covered on the cup body component 12. When the food processor 10 works, the cup cover assembly 11 is covered on the cup body assembly 12. After the food processor 10 finishes working, the cup cover assembly 11 can be taken down from the cup body assembly 12. In some embodiments, the lid assembly 11 can be opened to add food materials during cooking by the cooking machine 10. Lid assembly 11 includes lid handle 16. When the lid assembly 11 is closed on the cup body assembly 12, the lid handle 16 is butted with the cup handle 15, and the lid assembly 11 is closed in place. In one embodiment, lid assembly 11 may be screwed onto cup assembly 12 and rotated into position such that lid assembly 11 covers cup assembly 12. In another embodiment, the lid assembly 11 may be closed in place from top to bottom, with the lid assembly 11 covering the cup assembly 12. In one embodiment, lid assembly 11 is removably assembled to bowl assembly 12 and is separable from bowl assembly 12. In another embodiment, lid assembly 11 is hingedly attached to cup assembly 12.

The lid assembly 11 is provided with an induction trigger 161. Cup assembly 12 is provided with an inductive switch 151. When the lid assembly 11 is covered on the cup body assembly 12, the inductive trigger 161 is located in the inductive area of the inductive switch 151, so that the inductive switch 151 is closed. When the lid assembly 11 is opened, the inductive trigger 161 is outside the inductive area of the inductive switch 151, and the inductive switch 151 is opened. When the cup lid assembly 11 is closed, the sensing switch 151 senses the sensing trigger 161 to close. When the lid assembly 11 is opened, the inductive switch 151 is opened without the inductive trigger 161. In this way, the on/off of the inductive switch 151 is controlled by the inductive trigger 161. Compared with a direct electrical contact mode, the induction triggering mode is safer.

In one embodiment, the inductive switch 151 comprises a magnetically controlled switch and the inductive trigger 161 comprises a magnetic member. When the magnetic part is close to the magnetic control switch, the magnetic control switch is closed, and when the magnetic part is far away from the magnetic control switch, the magnetic control switch is opened. The magnetic member includes a magnet. In one embodiment, the magnetically controlled switch comprises a reed switch. The sensing trigger 161 and the sensing switch 151 may not be in contact, and the sensing trigger 161 controls the on/off of the sensing switch 151 in a non-contact manner. In one embodiment, inductive switch 151 is mounted in cup handle 15 and inductive trigger 161 is mounted in lid handle 16 to avoid problems such as switch failure due to liquid flowing into inductive switch 151 and inductive trigger 161, and to provide a more aesthetically pleasing lid assembly 11 and cup assembly 12 without affecting the manner in which lid assembly 11 is assembled to cup assembly 12. The lid assembly 11 may be screwed into the cup assembly 12 or may be covered from top to bottom on the cup assembly 12.

Fig. 2 is a circuit block diagram of an embodiment of the food processor circuit 17 according to the present application. Referring to fig. 1 and 2, the food processor circuit 17 includes a power supply circuit 173, an inductive trigger 161, an inductive switch 151, a drive switching circuit 170, a control circuit 175, and a controller 174. The induction trigger 161 is arranged on the lid assembly 11. The inductive switch 151 is disposed on the cup body assembly 12, and when the cup lid assembly 11 covers the cup body assembly 12, the inductive trigger 161 is located in an inductive area of the inductive switch 151, so that the inductive switch 151 is closed. When the lid assembly 11 is opened, the inductive trigger 161 is outside the inductive area of the inductive switch 151, and the inductive switch 151 is opened. By using the inductive trigger 161 and the inductive switch 151, the safety is high.

The drive switching circuit 170 is connected to at least two loads 19, switches between the at least two loads 19, and is connected to the power supply circuit 173. The control circuit 175 is electrically connected to the inductive switch 151 in a non-isolated manner and is electrically connected to the driving switching circuit 170. The controller 174 is electrically connected to the control circuit 175 and the driving switching circuit 170, and the controller 174 controls the control circuit 175 to control the driving switching circuit 170 to switch between at least two loads 19, and controls the driving switching circuit 170 to drive the loads 19. The break-make of inductive switch 151, the break-make of control circuit 175, thereby control drive switching circuit 170, when bowl cover subassembly 11 is opened, inductive switch 151 is opened, make at least one load 19 outage, realize the protection of uncapping, for the mode that utilizes mechanical control circuits such as safe connecting rod and micro-gap switch to open the power supply in order to realize the protection of uncapping, the problem of the not outage of load that can avoid causing because of micro-gap switch stroke, assembly error and/or dimensional error etc. this application embodiment, it is safer, and save cost. And when the bowl cover subassembly 11 is opened, make control circuit 175 disconnection on the hardware, can effectively avoid because the dangerous action that the procedure was disorderly produced to can realize effectively that cooking machine 10 uncaps the protection. By utilizing the induction trigger 161 and the induction switch 151, the safety is higher, so that the control circuit 175 is electrically connected with the induction switch 151 in a non-isolated way, an isolation element is not required to be arranged, components are saved, and the circuit is simple.

In one embodiment, controller 174 includes a driving port Triac, driving switching circuit 170 includes a driving circuit 171 connected to driving port Triac, and controller 174 controls driving circuit 171 to drive load 19 through driving port Triac. At least two loads 19 are driven by the same driving circuit 171, so that the circuit design is simplified, the devices are reduced, and the cost is saved. In one embodiment, the controller 174 may be a single chip or other microprocessor.

In one embodiment, drive switching circuit 170 includes switching circuit 172, switching circuit 172 electrically connecting drive circuit 171, control circuit 175, and load 19. The controller 174 includes a control port RLY through which the controller 174 controls the switching circuit 172 to switch between the at least two loads 19. At least two loads 19 are not mutually influenced, and the driving circuit 171 can be shared, so that the circuit is simple.

Fig. 3 is a circuit diagram of an embodiment of the food processor circuit 17 shown in fig. 2. Referring to fig. 2 and 3, the control circuit 175 is electrically connected to the inductive switch 151 in a non-isolated manner, and is electrically connected to the driving switching circuit 170. In the illustrated embodiment, control circuit 175 includes a transistor Q501 electrically coupled in non-isolated relation to inductive switch 151. The collector of the transistor Q501 is electrically connected to the driving switching circuit 170, the emitter of the transistor Q501 is electrically connected to one end KEYOFF of the inductive switch 151, and the other end AGND of the inductive switch 151 is grounded. The controller 174 includes a control port RLY connected to the base of a transistor Q501. When the inductive switch 151 is closed, the controller 174 controls the transistor Q501 to be turned on or off through the control port RLY, so as to control the driving switching circuit 170 to switch between at least two loads 19. And an isolation element is not required to be arranged, so that components are saved, and the circuit is simple. And the driving and switching of the load are realized by combining software and hardware, so that the control is more accurate, and misoperation is avoided.

In one embodiment, the control circuit 175 includes a diode D402 electrically connected to the transistor Q501, the anode of the diode D402 is electrically connected to the control port RLY of the controller 174, and the cathode of the diode D402 is electrically connected to the base of the transistor Q501. The diode D402 is provided to prevent erroneous determination by the controller 174. In one embodiment, control circuit 175 includes a resistor R501 coupled between the cathode of diode D402 and the base of transistor Q501. The resistor R501 limits the base current flowing into the triode Q501, and the triode Q501 is prevented from being damaged by overlarge current. In one embodiment, the control circuit 175 includes a resistor R502 coupled between the base and emitter of the transistor Q501. So that the transistor Q501 can be reliably turned off when the inductive switch 151 is not turned on the transistor Q501. In one embodiment, the control circuit 175 further includes a diode D401 connected between the collector of the transistor Q501 and the drive switching circuit 170.

In the illustrated embodiment, the drive switching circuit 170 is electrically connected to the control circuit 15, the controller 174, and the at least two loads 19. The drive switching circuit 170 includes a drive circuit 171 and a switching circuit 172. The switching circuit 172 connects the control circuit 175, the driving circuit 171, and at least two loads 19. In one embodiment, the switching circuit 172 includes a switching switch RLY401 electrically connected to the driving circuit 171 and the at least two loads 19, the switching switch RLY401 is connected to a transistor Q501, and the controller 174 controls the switching switch RLY401 by controlling on/off of the transistor Q501, so as to switch the driving circuit 171 between the at least two loads 19. In the illustrated embodiment, the load 19 includes a motor 191 and a heating device 192.

In one embodiment, the switch RLY401 includes a relay including a moving contact K1, a normally open contact K2, and a normally closed contact K3, the moving contact K1 electrically connects the driving circuit 171, the normally closed contact K3 electrically connects the heating device 192, and the normally open contact K2 electrically connects the motor 191. Controller 174 controls the relay to switch between motor 191 and heating device 192 when lid assembly 11 is closed on cup assembly 12. When the cup cover assembly 11 is opened, the relay is powered off, the movable contact K1 of the relay is communicated with the normally closed contact K3 of the relay, the driving circuit 171 is communicated with the heating device 192, and the motor 191 is powered off. Effectively realize uncapping protection, when avoiding bowl cover subassembly 11 to open, motor 191 still is switching on the drive stirring knife subassembly and beats food, causes the food spill in cup body component 12, or drives the stirring knife subassembly and cuts the user when rotatory, improves the safety in utilization.

The driving circuit 171 connects the controller 174, the power supply circuit 173, and at least two loads 19. Controller 174 controls drive circuit 171 to drive load 19 through drive port Triac. In one embodiment, the driving circuit 171 includes a silicon controlled SCR201, a control electrode G of the silicon controlled SCR201 is connected to a driving port Triac of the controller 174, a first electrode T1 of the silicon controlled SCR201 is connected to one end N1 of the power circuit 173, and a second electrode T2 of the silicon controlled SCR201 is connected to the motor 191 or the heating device 192. The motor 191 and the heating device 192 are connected to the same SCR201, and the motor 191 and the heating device 192 are driven by the common driving circuit 171, thereby simplifying the circuit. In one embodiment, the driving circuit 171 further includes a plurality of resistors R203-R206 and a capacitor C201. The resistors R203 and R205 are connected in series between the driving port Triac of the controller 174 and the gate G of the SCR 201. R204 is connected between the control electrode G of the thyristor SCR201 and the first electrode T1. The resistor R206 and the capacitor C201 are connected in series and then connected in parallel with the SCR 201.

The power circuit 173 can convert the power source 18, such as commercial power, into 12V, 9V, 5V, etc. dc power, and the feeding processor circuit 17 can supply power, and can also supply power to other circuits. The power supply circuit 173 may include a switching power supply. In the illustrated embodiment, the power supply circuit 173 includes a first power supply line COM-L and a second power supply line N1, and when the power supply circuit 173 is connected to the power supply 18, the first power supply line COM-L is in communication with one end L of the power supply 18, the second power supply line N1 is in communication with the other end N of the power supply 18, the first power supply line COM-L is in communication with one end of the load 19, the drive switching circuit 170 is connected to the other end of the load 19, and the drive switching circuit 170 is in communication with the second power supply line N1. Because of the high security of the inductive element, the security can be guaranteed, so when the bowl cover assembly 11 is opened and closed, the load 19 and the power supply 18 can all keep the intercommunication, the drive switching circuit 170 and the power supply 18 can all keep the intercommunication, thus so design, the circuit is simple.

In one embodiment, the power circuit 173 includes a first filter circuit 1731, the first filter circuit 1731 being connected to the power source 18. The first filter circuit 1731 includes a differential-mode inductor L101 and capacitors C101 and C110 connected to two sides of the differential-mode inductor L101, and can filter out the differential-mode high-frequency interference in the power supply 18.

In one embodiment, the power supply circuit 173 includes a rectification circuit 1732. The rectifying circuit 1732 is connected to the first filter circuit 1731. The power supply 18 is rectified to output dc power. The rectifier circuit 1732 includes rectifier diodes D101 and D102 and a resistor R103 connected in series.

In one embodiment, the power circuit 173 includes a voltage conversion circuit 1733 connected to a rectification circuit 1732. The voltage conversion circuit 1733 includes a power module U1, diodes D103 and D104, a capacitor C105 and a plurality of resistors R105-R109, and converts the voltage of the power source 18 into a dc output of, for example, +9V, which is supplied to the processor circuit 17 via the power module U1.

In one embodiment, the power circuit 173 includes a second filter circuit 1734 connected between the rectifying circuit 1732 and the voltage converting circuit 1733. The second filter circuit 1734 may be a CLC filter circuit, and the second filter circuit 1734 includes capacitors C103 and C104, an inductor L102, and a resistor R104 connected in parallel with the inductor L102. Capacitors C103 and C104 are connected between two ends of the power supply 18, and are respectively located at one end and the other end of the inductor L102.

In one embodiment, the power circuit 173 includes a FUSE, a voltage dependent resistor VR101, and resistors R101, R102 connected between the first filter circuit 1731 and the power source 18. FUSE FUSE connects live wire L, and piezo-resistor VR101 is connected between live wire L and zero line N, and resistance R101 and resistance R102 are established ties between live wire L and zero line N. The device avoids the damage of elements in the circuit due to the generation of overlarge instantaneous voltage caused by the influence of lightning stroke and the like. In one embodiment, the power circuit 173 includes output capacitors C106 and C107 and an output resistor R110 connected in parallel with the output capacitors C106 and C107, and the output capacitors C106 and C107 can filter ripple signals in the dc power output by the voltage conversion circuit 1733.

In the illustrated embodiment, the food processor circuit 17 further includes a temperature detection circuit 176, the temperature detection circuit 176 is connected to the AGND of the inductive switch 151 and the controller 174, the controller 174 includes a temperature detection port TEMP, and the controller 174 can detect the temperature of the food material held in the cup body assembly 12 through the temperature detection port TEMP. The temperature detection circuit 176 includes a plug terminal CN601, and resistors R601 and R602 and a capacitor C601 connected to the plug terminal CN 601.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. The utility model provides a cooking machine circuit for cooking machine (10), cooking machine (10) include cup body component (12) and bowl cover subassembly (11), its characterized in that, cooking machine circuit includes:

a power supply circuit (173);

the induction trigger piece (161) is arranged on the cup cover assembly (11);

the induction switch (151) is arranged on the cup body assembly (12), and when the cup cover assembly (11) is covered on the cup body assembly (12), the induction trigger piece (161) is positioned in an induction area of the induction switch (151) to close the induction switch (151); when the cup cover assembly (11) is opened, the induction trigger (161) is outside an induction area of the induction switch (151), and the induction switch (151) is opened;

a drive switching circuit (170) connected to at least two loads (19), switching between at least two of the loads (19), and connected to the power supply circuit (173);

a control circuit (175) electrically connected to the inductive switch (151) in a non-isolated manner and to the drive switching circuit (170);

a controller (174) electrically connected to the control circuit (175) and the drive switching circuit (170), the controller (174) controlling the control circuit (175) to control the drive switching circuit (170) to switch between at least two of the loads (19), and controlling the drive switching circuit (170) to drive the loads (19).

2. The food processor circuit of claim 1, wherein: the inductive switch (151) comprises a magnetic switch, and the inductive trigger piece (161) comprises a magnetic piece.

3. The food processor circuit of claim 1, wherein: the control circuit (175) comprises a triode which is electrically connected with the inductive switch (151) in a non-isolated mode, the collector of the triode is electrically connected with the driving switching circuit (170), the emitter of the triode is electrically connected with one end of the inductive switch (151), the other end of the inductive switch (151) is grounded, the controller (174) comprises a control port which is electrically connected with the base of the triode, and when the inductive switch (151) is closed, the controller (174) controls the on-off of the triode through the control port to control the driving switching circuit (170) to switch between at least two loads (19).

4. The food processor circuit of claim 3, wherein: the control circuit (175) comprises a diode electrically connected to the transistor, the anode of the diode is electrically connected to the control port of the controller (174), and the cathode of the diode is electrically connected to the base of the transistor.

5. The food processor circuit of claim 3, wherein: the controller (174) comprises a driving port, the driving switching circuit (170) comprises a driving circuit (171) electrically connected with the driving port, and the controller (174) controls the driving circuit (171) to drive the load (19) through the driving port.

6. The food processor circuit of claim 5, wherein: the driving switching circuit (170) comprises a switching circuit (172), the switching circuit (172) is electrically connected with the driving circuit (171), the control circuit (175) and the load (19), and the controller (174) controls the switching circuit (172) to switch between at least two loads (19) through the control port.

7. The food processor circuit of claim 6, wherein: the switching circuit (172) comprises a switch electrically connected with the driving circuit (171) and at least two loads (19), the switch is electrically connected with the triode, and the controller (174) controls the switch by controlling the on-off of the triode so that the driving circuit (171) is switched between at least two loads (19).

8. The food processor circuit of claim 7, wherein: the load (19) comprises a motor and a heating device, the change-over switch comprises a relay, the relay comprises a movable contact, a normally open contact and a normally closed contact, the movable contact is electrically connected with the driving circuit (171), the normally closed contact is electrically connected with the heating device, and the normally open contact is electrically connected with the motor;

when the cup cover assembly (11) covers the cup body assembly (12), the controller (174) controls the relay to switch between the motor and the heating device;

when the cup cover assembly (11) is opened, the relay is powered off, the movable contact of the relay is communicated with the normally closed contact of the relay, and the driving circuit (171) is communicated with the heating device.

9. The food processor circuit of claim 1, wherein: the power supply circuit (173) comprises a first power supply line and a second power supply line, when the power supply circuit (173) is connected with a power supply (18), the first power supply line is communicated with one end of the power supply (18), the second power supply line is communicated with the other end of the power supply (18), the first power supply line is communicated with one end of the load (19), the drive switching circuit (170) is connected with the other end of the load (19), and the drive switching circuit (170) is communicated with the second power supply line.

10. A food processor, comprising:

a host (13);

a cup assembly (12) mountable to the main body (13);

the cup cover assembly (11) can be covered on the cup body assembly (12); and

the food processor circuit (17) of any of claims 1-9.

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