CN217285526U - Control circuit and cooking machine - Google Patents

Abstract

The application provides control circuit and cooking machine. The control circuit comprises a power input end, an operating part, a power receiving circuit, a switch circuit and a controller, wherein the power receiving circuit is electrically connected with the power input end, and the controller is electrically connected with the power receiving circuit. The switch circuit comprises a first switch component and a second switch component, the first switch component and the second switch component are connected between the power input end and the power receiving circuit in parallel, and the first switch component and the second switch component control the on-off between the power input end and the power receiving circuit; the controller comprises a detection port and a control port, the detection port is electrically connected with an operating part, the control port is electrically connected with the second switch component, the controller detects an electric signal of the operating part through the detection port, and when the electric signal of the operating part represents a shutdown operation instruction, the second switch component is controlled through the control port, so that the requirement of low power consumption can be met, and the power consumption is reduced.

Description

Control circuit and cooking machine

Technical Field

The application relates to the field of small household appliances, in particular to a control 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. The food processor can comprise a soybean milk machine, a stirrer or a wall breaking food processor and other machines for crushing and stirring food materials. At present, a control circuit in some food processers cannot meet the requirement of low power consumption, and the power consumption is high.

SUMMERY OF THE UTILITY MODEL

The application provides a control circuit and cooking machine of reduction consumption.

The present application provides a control circuit comprising:

the power supply input end is used for connecting a power supply;

the operating piece is used for being operated by a user;

the power receiving circuit is electrically connected with the power supply input end;

the switching circuit comprises a first switching component and a second switching component, the first switching component and the second switching component are connected between the power input end and the power receiving circuit in parallel, and the first switching component and the second switching component control the connection and disconnection between the power input end and the power receiving circuit; and

the controller is electrically connected with the power receiving circuit, the controller comprises a detection port and a control port, the detection port is electrically connected with the operating part, the control port is electrically connected with the second switch component, the controller is used for detecting the detection port, the electric signal of the operating part is used for controlling the disconnection of the second switch component when the electric signal of the operating part represents a shutdown operation instruction, so as to control the power receiving circuit to be disconnected with the power input end.

In some embodiments, the control circuit comprises an operating part, a power receiving circuit, a switch circuit and a controller, wherein the switch circuit comprises a first switch component and a second switch component which are connected in parallel between the power input end and the power receiving circuit, so that the controller can control the disconnection of the second switch component to control the disconnection of the power receiving circuit and the power input end, and the circuit meets the requirement of low power consumption, thereby reducing the power consumption.

Optionally, the circuit receives power includes the drive circuit of drive load, first switch module with second switch module parallel connection in power input end with between the drive circuit, the controller includes the drive control port, the drive control port with the drive circuit electricity is connected, the controller passes through the control of drive control port the drive circuit drive the load. In some embodiments, the power consumption of the driver circuit may be reduced.

Optionally, the driving circuit includes a brushless driver, and the load includes a brushless motor, and the brushless driver is configured to drive the brushless motor. In some embodiments, the power consumption of the brushless driver may be reduced.

Optionally, the control circuit includes a first capacitor connected in parallel with the driving circuit. In some embodiments, the first capacitor is used as a charging capacitor to prevent the driving circuit from being damaged by excessive current during charging, so that the driving circuit can be stably driven.

Optionally, the switch circuit further includes a current limiting resistor, and the current limiting resistor is connected in series with the first switch component. In some embodiments, the current limiting resistor is used to limit the current in the switching circuit to prevent the circuit from being burned out due to excessive current during startup.

Optionally, the power receiving circuit includes a power circuit, the first switch component and the second switch component are connected in parallel between the power input end and the power circuit, the controller includes a power end, the power circuit is connected with the power end, and when the power circuit is communicated with the power input end, the power circuit supplies power to the controller. In some embodiments, the power consumption of the power supply circuit may be reduced.

Optionally, the control circuit comprises a second capacitor connected in parallel with the power supply circuit. In some embodiments, the second capacitor is used as a charging capacitor to prevent the power circuit from being damaged by excessive current during charging, so that the power circuit can output stably.

Optionally, the power circuit includes a non-isolated power circuit, and the power end of the controller is electrically connected to the non-isolated power circuit. In some embodiments, the power consumption of the non-isolated power supply may be reduced.

Optionally, the control circuit includes a first diode electrically connected between the switch circuit and the power circuit. In some embodiments, the characteristic of the first diode is utilized to perform a rectifying function.

Optionally, the control circuit includes a second diode electrically connected between the power input terminal and the power circuit. In some embodiments, the characteristic of the second diode is used to perform a rectifying function.

Optionally, the operating member comprises a mechanical switch. In some embodiments, the mechanical switch is simple in structure and low in cost.

Optionally, the first switch assembly comprises a mechanical switch, and the first switch assembly and the operating member are synchronously operable. In some embodiments, the first switch component and the operating component can act synchronously, so that the on-off of the power receiving circuit can be controlled, the requirement of low power consumption is met, and the power consumption is reduced.

Optionally, the second switch component includes a relay, the relay is electrically connected to the control port, the power input end and the power receiving circuit, and the controller controls the on-off of the relay through the control port to control the on-off of the power receiving circuit and the power input end. In some embodiments, the controller controls the on-off of the relay and the on-off of the power receiving circuit, and the power receiving circuit is reliable and stable and has low cost.

The application also provides a cooking machine, include: a control circuit as claimed in any preceding claim. In some embodiments, the food processor includes the above-mentioned control circuit, can satisfy the requirement of low-power consumption to reduce power consumption.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic block diagram illustrating one embodiment of a control circuit provided herein;

FIG. 2 is a circuit diagram illustrating one embodiment of a control circuit provided herein;

fig. 3 is a schematic view of an embodiment of a food processor provided by the present application.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same 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 and methods 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 terms "first," "second," and the like, as used in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed after "comprises" or "comprising" is inclusive of the element or item listed after "comprising" or "comprises", and the equivalent thereof, and does not exclude additional 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.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application 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 control circuit of the embodiment of the application comprises a power input end, an operating piece, a power receiving circuit, a switch circuit and a controller. The power supply input end is used for connecting a power supply; the operating piece is used for being operated by a user; the power receiving circuit is electrically connected with the power input end; the switching circuit comprises a first switching component and a second switching component, the first switching component and the second switching component are connected between the power input end and the power receiving circuit in parallel, and the first switching component and the second switching component control the connection and disconnection between the power input end and the power receiving circuit; the power receiving circuit is electrically connected with the controller, the controller comprises a detection port and a control port, the detection port is electrically connected with an operating piece, the control port is electrically connected with the second switch component, the controller detects an electric signal of the operating piece through the detection port, and when the electric signal of the operating piece represents a shutdown operation instruction, the second switch component is controlled to be disconnected through the control port, so that the power receiving circuit is controlled to be disconnected with the power input end. The circuit arrangement meets the requirement of low power consumption, thereby reducing the power consumption.

Fig. 1 is a schematic block diagram of an embodiment of a control circuit 10 provided herein. As shown in fig. 1, the control circuit 10 includes a power input terminal 11, an operating element 12, a power receiving circuit 13, a switching circuit 14, and a controller 15, the power receiving circuit 13 is electrically connected to the power input terminal 11, the switching circuit 14 is electrically connected between the power input terminal 11 and the power receiving circuit 13, and the controller 15 is electrically connected to the power receiving circuit 13. In some embodiments, the power input 11 is used for connecting a power source. Wherein the power source comprises an ac power source (e.g., comprising a line L and a neutral N). In some embodiments, the operator 12 is for operation by a user. For example, the user may press or trigger the operating member 12. In some embodiments, the switch circuit 14 includes a first switch component 141 and a second switch component 142, the first switch component 141 and the second switch component 142 are connected in parallel between the power input terminal 11 and the power receiving circuit 13, and the first switch component 141 and the second switch component 142 control on/off between the power input terminal 11 and the power receiving circuit 13. In some embodiments, the controller 15 includes a detection port 151 and a control port 152, the detection port 151 is electrically connected to the operating element 12, the control port 152 is electrically connected to the second switch component 142, the controller 15 detects an electrical signal of the operating element 12 through the detection port 151, and controls the second switch component 142 to be disconnected through the control port 152 when the electrical signal of the operating element 12 indicates a shutdown operation instruction, so as to control the power receiving circuit 13 to be disconnected from the power input terminal 11. In some embodiments, the controller 15 may control the second switch component 142 to be closed through the control port 152 by operating the first switch component 141 to be closed to connect the power input terminal 11 with the power receiving circuit 13, and the first switch component 141 may be opened to start the control circuit 10. After the control circuit 10 is started and the control circuit 10 needs to be turned off, the controller 15 may control the second switch component 142 to turn off through the control port 152, so as to disconnect the power input terminal 11 from the power receiving circuit 13, and then turn off the control circuit 10. According to the circuit arrangement, when the power receiving circuit 13 needs to be connected, the first switch component 141 is closed, and when the power receiving circuit 13 needs to be disconnected, the second switch component 142 is controlled to be disconnected through the controller 15, so that the power consumption is reduced, and the requirement of low power consumption can be met. In this process, the first switch component 141 and the second switch component 142 are turned on and off, so that the power receiving circuit 13 and the power input end 11 can be turned on and off, and the structure is simple and the cost is low.

Fig. 2 is a circuit diagram of an embodiment of the control circuit 10 provided in the present application. As shown in fig. 2, the operating member 12 includes a mechanical switch, and the first switch assembly 141 includes a mechanical switch, which is simple in structure and low in cost. In some embodiments, the second switch assembly 142 comprises an electronic switch, and the on/off of the second switch assembly 142 can be controlled by a control port 152 of the controller 15. In some embodiments, the first switch component 141, the second switch component 142 and the operating member 12 may be other switch components, which are not limited in this application.

In some embodiments, the operating member 12 may be provided separately from the first switch assembly 141, and the operating member 12 and the first switch assembly 141 may be individually operated, respectively. When the first switch element 141 is operated (pressed or triggered), the power input terminal 11 is connected to the power receiving circuit 13, the controller 15 can control the second switch element 142 to be closed through the control port 152, and the first switch element 141 is opened, so as to start the control circuit 10. After the control circuit 10 is activated, when it is desired to turn off the control circuit 10, the user can turn off the control circuit 10 by operating (pressing or triggering) the operating member 12. For example, when a user can press the operating element 12 for a long time, the detection port 151 of the controller 15 detects that the electrical signal corresponding to the operating element 12 is at a low level, and the control port 152 controls the second switch component 142 to be turned off, so that the power receiving circuit 13 is disconnected from the power input terminal 11, and the control circuit 10 is turned off.

In the embodiment shown in fig. 2, the first switch component 141 and the operating member 12 can be operated synchronously. When the first switch component 141 is closed, the operating element 12 is closed, and at this time, the controller 15 can control the second switch component 142 to be closed through the control port 152, so that the control circuit 10 can be started, and meanwhile, the controller 15 can detect an electric signal of closing of the operating element 12 through the detection port 151, so that when the control circuit 10 needs to be closed, the second switch component 142 is controlled to be opened through the control port 152, so that the power receiving circuit 13 is disconnected from the power input end 11, and the control circuit 10 is closed, so that the circuit arrangement, the first switch component 141 and the operating element 12 synchronously act, so that the on-off of the power receiving circuit 13 can be controlled, the requirement of low power consumption is met, and the power consumption is reduced. For example, after the first switch component 141 and the operation element 12 are closed to start the control circuit 10, if the user does not operate (press or trigger) the operation element 12 within a preset time or a long time period, the controller 15 may control the second switch component 142 to be turned off through the control port 152, so as to turn off the power receiving circuit 13 and the power input end 11, and turn off the control circuit 10, and by controlling the first switch component 141 and the operation element 12 to act synchronously, the power on and power off of the control circuit 10 after the start may be implemented, so as to reduce the power consumption of the control circuit 10.

In some embodiments, the switching circuit 14 further includes a current limiting resistor R1, the current limiting resistor R1 being connected in series with the first switching component 141. The current limiting resistor R1 is used to limit the current in the switch circuit 14 to prevent the current from being too large and burning out the first switch element 141 connected in series. In other embodiments, the current limiting resistor R1 may be an NTC (Negative Temperature Coefficient) resistor. Compared with the prior art, the starting capacitor of the control circuit 10 is particularly large, and the circuit can be prevented from being damaged by overlarge current during starting by adding the current limiting resistor R1 for starting.

In some embodiments, the second switch assembly 142 includes a relay electrically connecting the control port 152, the power input terminal 11 and the power receiving circuit 13, and the controller 15 controls the on/off of the relay through the control port 152 and controls the on/off of the power receiving circuit 13 and the power input terminal 11. In some embodiments, the switch circuit 14 further includes a transistor Q1, the transistor Q1 electrically connects the control port 152 to the relay, and the controller 15 controls the on/off of the transistor Q1 through the control port 152 to control the on/off of the relay. In the embodiment shown in fig. 2, when the transistor Q1 is turned on by the electrical signal output from the control port 152, the movable contact Q2 of the relay is closed, and the power input terminal 11 is connected to the power receiving circuit 13; when the transistor Q1 is turned off by the electrical signal output from the control port 152, the movable contact Q2 is turned off, and the power input terminal 11 is disconnected from the power receiving circuit 13. Due to the circuit arrangement, the controller 15 controls the on-off of the relay and controls the on-off of the power receiving circuit 13 and the power input end 11, and the circuit is reliable and stable, high in switching sensitivity and low in cost. In other embodiments, the second switch assembly 142 can also be a single pole, single throw switch.

In some embodiments, the powered circuit 13 includes a driving circuit 131 for driving the load 16 and a power circuit 132, the driving circuit 131 is used for driving the load 16, and the power circuit 132 is used for providing the ac power to the power input terminal 11 and converting the ac power into dc power.

In some embodiments, the first switch assembly 141 and the second switch assembly 142 are connected in parallel between the power input terminal 11 and the driving circuit 131, the controller 15 includes a driving control port 153, the driving control port 153 is electrically connected to the driving circuit 131, and the controller 15 controls the driving circuit 131 to drive the load 16 through the driving control port 153. In some embodiments, the controller 15 may activate the control circuit 10 by operating the first switch element 141 to close, so as to connect the power input terminal 11 to the driving circuit 131, and controlling the second switch element 142 to close through the control port 152. After the control circuit 10 is started and the control circuit 10 needs to be turned off, the controller 15 may control the second switch component 142 to be turned off through the control port 152, so as to disconnect the power input terminal 11 from the driving circuit 131, and then turn off the control circuit 10. With such a circuit arrangement, when the driving circuit 131 needs to be connected, the first switch component 141 is closed, and when the driving circuit 131 needs to be disconnected, the second switch component 142 is controlled to be disconnected by the controller 15, so that the power consumption of the driving circuit 131 can be reduced, and the requirement of low power consumption can be met. In the process, the first switch component 141 and the second switch component 142 are turned on and off, so that the driving circuit 131 and the power input end 11 can be turned on and off, and the structure is simple and the cost is low.

In some embodiments, drive circuit 131 includes a brushless driver and load 16 includes a brushless motor, the brushless driver for driving the brushless motor. Because the brushless driver has a standby mode, when the brushless driver is in the standby mode, the controller 15 can control the second switch component 142 to be turned off, so that the brushless driver is turned off from the power input end 11, and thus, the power consumption of the brushless driver is reduced, and the requirement of low power consumption in the standby mode can be met. In some embodiments, when the brushless driver is in the operation mode, the first switch assembly 141 can be controlled to be closed by the controller 15, so that the brushless driver drives the brushless motor, thereby adjusting the brushless motor. In other embodiments, the driving circuit 131 may be other circuits, which are not limited in this application.

In some embodiments, the control circuit 10 includes a first capacitor C1 in parallel with the driver circuit 131. In the embodiment shown in fig. 2, when the first switch element 141 is closed, the power input terminal 11 is connected to the driving circuit 131, and the first switch element 141 is connected in series with the current limiting resistor R1 to charge the first capacitor C1, so as to prevent the driving circuit 131 from being damaged by excessive current during the charging process. In some embodiments, the capacitance of the first capacitor C1 ranges from 100uf to 1000uf, and the first capacitor C1 is used as a charging capacitor to prevent the driving circuit 13 from being damaged by excessive current during charging, so that the driving circuit 131 can stably drive. In some embodiments, the control circuit 10 further includes a rectifying circuit DB1 connected in parallel with the driving circuit 131, and the rectifying circuit DB1 is used for converting the alternating current of the power input terminal 11 into direct current to supply power to the driving circuit 131.

In some embodiments, the first switch component 141 and the second switch component 142 are connected in parallel between the power input terminal 11 and the power circuit 132, the controller 15 includes a power terminal VCC, the power circuit 132 is connected to the power terminal VCC, and the power circuit 132 supplies power to the controller 15 when the power circuit 132 is connected to the power input terminal 11. In some embodiments, when the first switch assembly 141 is closed, the power input terminal 11 is connected to the power circuit 132, the power circuit 132 converts the ac power at the power input terminal 11 into dc power, and the power circuit 132 provides the dc power to the controller 15, at which time the controller 15 can effectively detect the electrical signal of the operating element 12 through the detection port 151, and further can control the second switch assembly 142 to be turned on or off through the control port 152 according to the electrical signal of the operating element 12. Due to the circuit arrangement, when the power circuit 132 needs to be connected, the first switch component 141 is closed, and after the power circuit 132 is started, the controller 15 can effectively operate the electrical signal of the operating element 12 through the detection port 151 and control the on-off of the second switch component 142 according to the electrical signal of the operating element 12, so that the power consumption of the power circuit 132 can be reduced, and the requirement of low power consumption can be met. And power supply circuit 132 supplies power for controller 15, and the circuit structure is simple, and the cost is lower. In addition, in the process, the power circuit 132 can be switched on and off by switching on and off the first switch component 141 and the second switch component 142, and the structure is simple and the cost is low.

In some embodiments, the control circuit 10 includes a second capacitor C2 in parallel with the power supply circuit 132. In the embodiment shown in fig. 2, when the first switch element 141 is closed, the power input terminal 11 is connected to the power circuit 132, and the first switch element 141 is connected in series with the current limiting resistor R1 to charge the second capacitor C2, so as to prevent the power circuit 132 from being damaged by excessive current during charging. In some embodiments, the capacitance of the second capacitor C2 ranges from 100uf to 1000uf, and the second capacitor C2 is used as a charging capacitor to prevent the power circuit 132 from being damaged by excessive current during charging, so that the power circuit 132 can be driven stably.

In some embodiments, the power circuit 132 comprises a non-isolated power circuit, and the power terminal VCC of the controller 15 is electrically connected to the non-isolated power circuit. The power consumption of the non-isolated power supply can be reduced, and the non-isolated power supply is simple in structure, convenient to wire and low in cost. In the embodiment shown in fig. 2, the power circuit 132 converts the ac power at the power input 11 to 12V dc power to power the relay. In some embodiments, power circuit 132 includes a power conversion circuit 133 for converting 12V dc power to power controller 15. In some embodiments, the ground terminal of the brushless motor is connected to the output ground of the power circuit 132, so that the power supply of the controller 15 is supplied by using a non-isolated power circuit, and thus the first switch component 141 and the operating component 12 will not need to meet the creepage distance requirement of 8mm, thereby facilitating the layout design and effectively reducing the cost of the second switch component 142.

In some embodiments, the control circuit 10 includes a first diode D1 electrically connected between the switch circuit 14 and the power circuit 132. In the embodiment shown in fig. 2, the anode of the first diode D1 is electrically connected to the switch circuit 14, and the cathode of the first diode D1 is electrically connected to the anode of the second capacitor C2. With such a circuit configuration, the rectifying function is achieved by utilizing the unidirectional conduction characteristic of the first diode D1.

In some embodiments, the control circuit 10 includes a second diode D2 electrically connected between the power input terminal 11 and the power circuit 132. In the embodiment shown in fig. 2, the positive pole of the second diode D2 is electrically connected to the power input terminal 11 (zero line N), and the negative pole of the second diode D2 is electrically connected to the positive pole of the second capacitor C2. With such a circuit arrangement, the rectifying function is achieved by utilizing the unidirectional conduction characteristic of the second diode D2.

In some embodiments, the power input 11 further comprises an EMC (Electromagnetic Compatibility) circuit 17. In some embodiments, the EMC circuit includes a fuse 171, which is effective to protect the control circuit 10. In some embodiments, the EMC circuit includes the filter circuit 172, which can effectively filter out the interference, so that the control circuit 10 is stable and reliable.

In the embodiment shown in fig. 2, when the power input terminal 11 of the control circuit 10 is powered on, the entire control circuit 10 is not powered on because the relay and the first switch component 141 are turned off, and the standby power consumption is 0. When the user synchronously operates the first switch component 141 and the operating element 12 to close the first switch component 141 and the operating element 12, the first switch component 141 is connected in series with the current limiting resistor R1 and then charges the first capacitor C1 connected in parallel with the driving circuit 131 and the second capacitor C2 connected in parallel with the power circuit 132, so as to prevent the driving circuit 131 or the power circuit 132 from being damaged by excessive current during charging. After the first switch assembly 141 is turned on and the power circuit 132 is normally started, the controller 15 can control the relay to be turned on through the control port 152. At this time, the power supply of the entire control circuit 10 is turned on by the relay, and the control circuit 10 is started.

In some embodiments, after the control circuit 10 is completely activated, the user can turn off the control circuit 10 by operating (pressing or triggering) the operating member 12. For example, when a user can press the operating element 12 for a long time, the detection port 151 of the controller 15 detects that the electrical signal corresponding to the operating element 12 is at a low level, and the control port 152 controls the second switch component 142 to be turned off, so that the power receiving circuit 13 is disconnected from the power input terminal 11, and the control circuit 10 is turned off.

In other embodiments, after the control circuit 10 is started, if the user does not operate (press or trigger) the operating element 12 within a preset time or a long time period, the controller 15 may control the second switch component 142 to be turned off through the control port 152, so as to disconnect the power receiving circuit 13 from the power input end 11, and turn off the control circuit 10. By the circuit arrangement, the control circuit 10 can be temporarily dormant, and the power consumption of the control circuit 10 in the use process is reduced.

Fig. 3 is a schematic view of an embodiment of the food processor 20 provided in the present application. As shown in fig. 3, the food processor 20 includes a main body 21 and a food cup 22, and the food cup 22 can be assembled to the main body 21. The host computer can provide power, control and drive cooking machine 20 work, and can interact with the user. The food can be contained in the food cup 22, and the food can be stirred, heated and/or vacuumized in the food cup 22.

In some embodiments, a circuit control board (not shown) is disposed in the host 21, and the circuit control board is provided with the control circuit 10 of the embodiment shown in fig. 1 and fig. 2, and is used for controlling and driving the food processor 20 to operate, so that the circuit arrangement can enable the food processor 20 to meet the requirement of low power consumption, and reduce the power consumption of the food processor.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A control circuit, comprising:

a power input (11) for connection to a power supply;

an operation member (12) for operation by a user;

a power receiving circuit (13) electrically connected to the power input terminal (11);

a switching circuit (14) comprising a first switching component (141) and a second switching component (142), wherein the first switching component (141) and the second switching component (142) are connected in parallel between the power input terminal (11) and the power receiving circuit (13), and the first switching component (141) and the second switching component (142) control on/off between the power input terminal (11) and the power receiving circuit (13); and

controller (15), the electricity is connected receive electric circuit (13), controller (15) are including detection port (151) and control port (152), detection port (151) electricity is connected operating parts (12), control port (152) electricity is connected second switch module (142), controller (15) are passed through detection port (151) detects the signal of operating parts (12), and when the signal of operating parts (12) represents shutdown operation instruction, through control port (152) control the disconnection of second switch module (142), in order to control receive electric circuit (13) with power input end (11) disconnection.

2. The control circuit according to claim 1, wherein the powered circuit (13) comprises a driving circuit (131) for driving a load (16), the first switch component (141) and the second switch component (142) are connected in parallel between the power input terminal (11) and the driving circuit (131), the controller (15) comprises a driving control port (153), the driving control port (153) is electrically connected with the driving circuit (131), and the controller (15) controls the driving circuit (131) to drive the load (16) through the driving control port (153).

3. The control circuit according to claim 2, wherein the drive circuit (131) comprises a brushless driver, the load (16) comprising a brushless motor, the brushless driver being configured to drive the brushless motor; and/or

The control circuit comprises a first capacitor connected in parallel with the drive circuit (131).

4. The control circuit according to claim 1 or 3, wherein the switching circuit (14) further comprises a current limiting resistor connected in series with the first switching component (141).

5. The control circuit according to claim 1, wherein the powered circuit (13) comprises a power circuit (132), the first switching component (141) and the second switching component (142) are connected in parallel between the power input (11) and the power circuit (132), the controller (15) comprises a power end, the power circuit (132) is connected to the power end, and the power circuit (132) supplies power to the controller (15) when the power circuit (132) is in communication with the power input (11).

6. The control circuit of claim 5, wherein the control circuit comprises a second capacitor connected in parallel with the power circuit (132); and/or

The power circuit (132) comprises a non-isolated power circuit, the power terminal of the controller (15) being electrically connected to the non-isolated power circuit; and/or

The control circuit comprises a first diode electrically connected between the switch circuit (14) and the power circuit (132); and/or

The control circuit comprises a second diode electrically connected between the power input (11) and the power circuit (132).

7. Control circuit according to claim 1, characterized in that the operating member (12) comprises a mechanical switch.

8. The control circuit according to claim 7, characterized in that the first switch assembly (141) comprises a mechanical switch, the first switch assembly (141) being synchronously operable with the operating member (12).

9. The control circuit according to claim 1, wherein the second switch assembly (142) comprises a relay electrically connecting the control port (152), the power input terminal (11) and the power receiving circuit (13), and the controller (15) controls the on/off of the relay through the control port (152) and controls the on/off of the power receiving circuit (13) and the power input terminal (11).

10. A food processor, comprising: a control circuit as claimed in any one of claims 1 to 9.

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