Food processor circuit and food processor comprising same

Abstract

The utility model provides a food processor circuit and a food processor comprising the same. The food processor circuit comprises a temperature detection circuit, a driving circuit, a sounding circuit and a controller. The temperature detection circuit comprises a detection end. The driving circuit comprises a driving controlled end and a driving output end. The sounding circuit is connected with the driving output end of the driving circuit. The controller comprises an input and output port. The input and output port is connected between the drive controlled end and the detection end. And the controller is used for receiving a signal of the temperature detection circuit through the input / output port and controlling the driving circuit so as to control the sounding circuit. According to the invention, temperature detection and sound production circuit control are carried out by sharing the input and output ports, port resources of the controller are saved, wiring is facilitated, and the circuit cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of small household appliances, and in particular to a food processor circuit and a food processor including the same. Background Art

[0002] With the improvement of living standards, many different types of food processors have appeared on the market. The functions of food processors may mainly include, but are not limited to, making soy milk, squeezing juice, making rice paste, mincing meat, shaving ice, making coffee and / or preparing facial masks.

[0003] A food processor usually includes a temperature detection circuit and a sound generation circuit. The temperature detection circuit and the sound generation circuit need to be connected to different ports of the controller respectively. At the same time, the controller also needs to be connected to other components of the food processor, which may easily lead to insufficient ports of the controller. Increasing the ports of the controller will increase the cost and increase the difficulty of wiring. Utility Model Content

[0004] The present application provides a food processor circuit and a food processor including the same, which can reduce costs and facilitate wiring.

[0005] The present application provides a food processor circuit, comprising:

[0006] A temperature detection circuit, including a detection terminal;

[0007] A driving circuit, comprising a driving controlled end and a driving output end;

[0008] a sound generating circuit connected to the driving output terminal of the driving circuit; and

[0009] The controller includes an input / output port connected between the driving controlled end and the detection end; the controller is used to receive the signal of the temperature detection circuit through the input / output port and control the driving circuit to control the sound generating circuit.

[0010] In some embodiments, the driving output end of the driving circuit is connected to the sound-emitting circuit, and the input and output ports of the controller are connected to the driving controlled end of the driving circuit and the detection end of the temperature detection circuit. The input and output ports can be used as both input ports and output ports. The input and output ports are used as input ports to receive signals from the temperature detection circuit, and the input and output ports are used as output ports to control the driving circuit and then control the sound-emitting circuit. In this way, the input and output ports are shared by the temperature detection circuit and the sound-emitting circuit, which can save port resources of the controller, facilitate wiring, and reduce circuit costs.

[0011] Optionally, the food processor circuit includes an isolation circuit connected between the drive controlled end of the drive circuit and the input / output port. In some embodiments, the isolation circuit can reduce interference and reduce the impact of the input / output port on the drive circuit when it is used as an input port.

[0012] Optionally, the isolation circuit includes an isolation capacitor connected between the input / output port and the drive controlled end of the drive circuit. In some embodiments, the isolation capacitor can isolate the DC signal to prevent the signal of the temperature detection circuit from interfering with the drive controlled end of the drive circuit, causing the sound circuit to start up incorrectly.

[0013] Optionally, the food processor circuit includes a discharge resistor and a ground terminal, wherein the discharge resistor connects the isolation circuit and the ground terminal. In some embodiments, the discharge resistor can release the charge accumulated in the isolation circuit to the ground terminal, thereby improving the safety of the circuit.

[0014] Optionally, the driving circuit includes a first Darling tube, the input end of the first Darling tube is the driving controlled end, the output end of the first Darling tube is the driving output end, and the controller is used to control the on-off of the first Darling tube through the input and output ports to control the on-off of the sound circuit. In some embodiments, the first Darling tube can be integrated with other Darling tubes on the same chip to improve the integration of the food processor circuit, reduce the circuit volume, and facilitate wiring.

[0015] Optionally, the food processor circuit includes a display circuit and a second Darling tube, the controller is connected to an input end of the second Darling tube, an output end of the second Darling tube is connected to the display circuit, and the second Darling tube and the first Darling tube are integrated into the same chip. In some embodiments, the second Darling tube and the first Darling tube are integrated into the same chip, which can improve the integration of the food processor circuit, reduce the circuit volume, and facilitate wiring.

[0016] Optionally, the temperature detection circuit includes a thermistor, and the thermistor is connected to the detection terminal. In some embodiments, the resistance of the thermistor changes with the change of temperature, and measuring the temperature by the thermistor can reduce costs.

[0017] Optionally, the food processor circuit includes a decoupling capacitor connected in parallel with the thermistor. In some embodiments, the decoupling capacitor plays a filtering role and can reduce noise generated by the thermistor.

[0018] Optionally, the food processor circuit includes a DC power supply terminal and a ground terminal, the temperature detection circuit includes a pull-up resistor, the pull-up resistor and the thermistor are connected in series between the DC power supply terminal and the ground terminal, and the detection terminal is connected between the pull-up resistor and the thermistor. In some embodiments, the pull-up resistor clamps the voltage of the detection terminal to a high level, enhances the anti-interference ability of the detection terminal, and also plays a current limiting role.

[0019] The present application also provides a food processor, comprising:

[0020] Host;

[0021] A cooking cup, which can be assembled on the main unit; and

[0022] A food processor circuit as described in any one of the above items.

[0023] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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 present application.

[0025] Figure 1 Shown is a schematic structural diagram of an embodiment of a food processor of the present application.

[0026] Figure 2 Shown is a circuit block diagram of an embodiment of a food processor circuit of the present application.

[0027] Figure 3 Shown is a circuit diagram of an embodiment of a food processor circuit of the present application.

[0028] Figure 4 Shown is a partial circuit diagram of another embodiment of the food processor circuit of the present application.

[0029] Figure 5 Shown Figure 4 Another part of the circuit diagram of the food processor circuit is shown. DETAILED DESCRIPTION

[0030] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0031] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "one" do not indicate a quantitative limit, but indicate that there is at least one. "Multiple" or "several" means two or more. Unless otherwise specified, words such as "front", "rear", "lower" and / or "upper" are only for the convenience of explanation and are not limited to one position or one spatial orientation. Words such as "include" or "comprise" mean that the elements or objects appearing in front of "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, and can include electrical connections, whether direct or indirect.

[0032] The terms used in this application are for the purpose of describing specific embodiments only and are not intended to limit this application. The singular forms of "a", "said" and "the" used in this application and the appended claims are also intended to include plural forms unless the context clearly indicates other meanings. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0033] The food processor circuit of the embodiment of the present application includes: a temperature detection circuit, a driving circuit, a sound-generating circuit and a controller. The temperature detection circuit includes a detection end. The driving circuit includes a driving controlled end and a driving output end. The sound-generating circuit is connected to the driving output end of the driving circuit. The controller includes an input and output port. The input and output port is connected between the driving controlled end and the detection end. The controller is used to receive the signal of the temperature detection circuit through the input and output port, and control the driving circuit to control the sound-generating circuit. The present application uses a shared input and output port for temperature detection and control of the sound-generating circuit, which saves the port resources of the controller, facilitates wiring, and reduces the circuit cost.

[0034] The present application provides a food processor circuit and a food processor including the same. The food processor circuit and the food processor including the same are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0035] Figure 1 FIG. 1 is a schematic diagram of the structure of an embodiment of a food processor 10 of the present application. Figure 1As shown, the food processor 10 includes a main unit 11 and a food processor 12 .

[0036] In some embodiments, the host 11 is in the form of a stand. The host 11 can provide electrical energy, control and drive the food processor 10 to work, and can interact with the user.

[0037] The cooking cup 12 can be assembled to the main unit 11. In some embodiments, the cooking cup 12 can be detachably mounted to the main unit 11. The cooking cup 12 can hold ingredients for cooking. When the cooking cup 12 is mounted to the main unit 11, the main unit 11 can control the food processor 10 to cook, such as whipping and heating the ingredients. Figure 1 This is only an exemplary embodiment of the food processor, and the present application is not limited to Figure 1 The food processor shown may be other types of food processors.

[0038] Figure 2 FIG. 1 is a circuit block diagram of an embodiment of a blender circuit 20 of the present application.

[0039] like Figure 2 As shown, the food processor circuit 20 includes: a temperature detection circuit 21 , a driving circuit 22 , a sound generating circuit 23 and a controller 24 .

[0040] The temperature detection circuit 21 includes a detection terminal 211. The temperature detection circuit 21 is used to detect the temperature of the food in the cooking cup 12 during the cooking process. The detection terminal 211 is used to transmit a temperature signal. In some embodiments, the temperature detection circuit 21 includes a temperature sensitive element, and the electrical signal of the temperature sensitive element changes with the temperature and is transmitted through the detection terminal 211.

[0041] The driving circuit 22 includes a driving controlled terminal 221 and a driving output terminal 222. The driving circuit 22 is used to drive the sound generating circuit 23. The driving controlled terminal 221 is used to receive a control signal, and the driving output terminal 222 is used to output a driving signal.

[0042] The sounding circuit 23 is connected to the driving output terminal 222 of the driving circuit 22. The driving circuit 22 outputs a driving signal to the sounding circuit 23 through the driving output terminal 222, driving the sounding circuit 23 to work. In some embodiments, the sounding circuit 23 includes a buzzer circuit.

[0043] The controller 24 includes an input and output port TEMP-Music. The input and output port TEMP-Music is connected between the driving controlled end 221 and the detection end 211. The controller 24 is used to receive the signal of the temperature detection circuit 21 through the input and output port TEMP-Music, and control the driving circuit 22 to control the sound circuit 23. The input and output port TEMP-Music can be used as both an input port and an output port. As an input port, the input and output port TEMP-Music is used to receive the signal of the detection end 211 of the temperature detection circuit 21. As an output port, the input and output port TEMP-Music is used to output a control signal to the driving controlled end 221, control the driving circuit 22 and then control the sound circuit 23. When temperature detection is required, the controller 24 controls the input and output port TEMP-Music to be an input port. When the sound circuit 23 needs to be driven, the controller 24 controls the input and output port TEMP-Music to be an output port. In this way, the input / output port TEMP-Music is shared by the temperature detection circuit 21 and the sound generation circuit 23, which can save port resources of the controller 24, facilitate wiring, and reduce circuit costs.

[0044] The food processor circuit 20 further includes a power supply connected to the temperature detection circuit 21 and the sound generation circuit 23 for supplying power to the temperature detection circuit 21 and the sound generation circuit 23 .

[0045] Figure 3 Shown is a circuit diagram of an embodiment of a food processor circuit 20 of the present application.

[0046] The food processor circuit 20 includes an isolation circuit 25, which is connected between the driving controlled terminal 221 of the driving circuit 22 and the input / output port TEMP-Music. The isolation circuit 25 can isolate the signal and reduce interference. When the input / output port TEMP-Music is used as an output port, the controller 24 sends the signal to the driving circuit 22 through the isolation circuit 25. When the input / output port TEMP-Music is used as an input port, the signal of the temperature detection circuit 21 is sent to the input / output port TEMP-Music. Due to the isolation effect of the isolation circuit 25, the signal will not affect the driving circuit 22, thereby preventing the driving circuit 22 from starting up by mistake.

[0047] The isolation circuit 25 includes an isolation capacitor C901, which is connected between the input and output port TEMP-Music and the driving controlled terminal 221 of the driving circuit 22. The isolation capacitor C901 can isolate the DC signal to prevent the signal of the temperature detection circuit 21 from interfering with the driving controlled terminal 221 of the driving circuit 22, causing the sound circuit 23 to start up by mistake. In some embodiments, when it is necessary to drive the sound circuit 23, the controller 24 generates an AC signal through the input and output port TEMP-Music, and the isolation capacitor C901 does not block the AC signal, so that the controller 24 can control the driving circuit 22 to drive the sound circuit 23. In some embodiments, the controller 24 generates a square wave signal for driving the sound circuit 23.

[0048] The food processor circuit 20 includes a discharge resistor R923 and a ground terminal GND. The discharge resistor R923 is connected to the isolation circuit 25 and the ground terminal GND. The isolation circuit 25 can store electric charge. After the sound circuit 23 stops driving, the discharge resistor R923 is required to release the electric charge accumulated in the isolation circuit to the ground terminal GND to improve the safety of the circuit. At the same time, the discharge resistor R923 can also be used as a pull-down resistor to fix the driving controlled terminal 221 at a low level to reduce the interference of external signals on the driving circuit 22.

[0049] Figure 4 Shown is a partial circuit diagram of another embodiment of the food processor circuit 20 of the present application. Figure 5 Shown Figure 4 Another partial circuit diagram of the food processor circuit 20 is shown.

[0050] The temperature detection circuit 21 includes a thermistor 212, and the thermistor 212 is connected to the detection terminal 211. The resistance of the thermistor 212 changes with the change of temperature. When the resistance of the thermistor 212 changes, the voltage of the detection terminal 211 changes accordingly. When the temperature needs to be detected, the controller 24 detects the voltage signal of the detection terminal 211 through the input and output port TEMP-Music, and performs AD conversion on the voltage signal to obtain the temperature detected by the thermistor 212. Measuring temperature through the thermistor 212 can reduce costs.

[0051] The food processor circuit 20 includes a decoupling capacitor C601 connected in parallel with the thermistor 212. The decoupling capacitor C601 plays a filtering role, which can filter the self-excitation generated by the thermistor 212 and reduce the noise generated by the thermistor 212 from affecting the driving circuit 22.

[0052] The food processor circuit 20 includes a DC power supply terminal and a ground terminal GND, the temperature detection circuit 21 includes a pull-up resistor R601, the pull-up resistor R601 and the thermistor 212 are connected in series between the DC power supply terminal and the ground terminal GND, and the detection terminal 211 is connected between the pull-up resistor R601 and the thermistor 212. The pull-up resistor R601 clamps the voltage of the detection terminal 211 to a high level, which can enhance the anti-interference ability of the detection terminal 211, and also plays a current limiting role to prevent the current of the detection terminal 211 from being too large, thereby improving the safety of the temperature detection circuit 21.

[0053] The temperature detection circuit 21 further includes a freewheeling diode D601 connected in parallel with the thermistor 212. The freewheeling diode D601 can make the current of the thermistor 212 change smoothly, thereby preventing sudden voltage from being generated and damaging other components.

[0054] The temperature detection circuit 21 further includes a current limiting resistor R602 connected between the detection terminal 211 and the input / output port TEMP-Music. The current limiting resistor R602 can prevent the current of the input / output port TEMP-Music from being too large, thereby protecting the controller 24.

[0055] The driving circuit 22 includes a first Darling tube, the input terminal 1B_IN of the first Darling tube is the driving controlled terminal 221, the output terminal 1C_OUT of the first Darling tube is the driving output terminal 222, and the controller 24 is used to control the on and off of the first Darling tube through the input and output port TEMP-Music to control the on and off of the sound circuit 23. In some embodiments, the controller 24 outputs a high level through the input and output port TEMP-Music, the input terminal 1B_IN of the first Darling tube receives the high level, the first Darling tube opens the drain output, the output terminal 1C_OUT outputs a low level, the sound circuit 23 forms a loop with the power supply terminal, and the sound circuit 23 is driven successfully. The controller 24 outputs a low level through the input and output port TEMP-Music, and the sound circuit 23 stops working. In some embodiments, the controller 24 outputs a square wave signal to the input terminal 1B_IN through the input and output port TEMP-Music, and the output terminal 1C_OUT outputs a square wave signal with an opposite level to drive the sound circuit 23. The first Darlington tube can be integrated with other Darlington tubes on the same chip, so as to improve the integration of the food processor circuit 20, reduce the circuit volume, reduce the circuit cost, and facilitate wiring.

[0056] The food processor circuit 20 includes a display circuit 26 and a second Darling tube. The controller 24 is connected to the input terminal 5B_IN of the second Darling tube, and the output terminal 5C_OUT of the second Darling tube is connected to the display circuit 26. The second Darling tube and the first Darling tube are integrated into the same chip. The output terminal 5C_OUT of the second Darling tube is connected to the display circuit 26 through the transistor Q902. The controller 24 controls the on and off of the transistor Q902 by controlling the level of the output terminal 5C_OUT of the second Darling tube, thereby controlling the operation of the display circuit 26. The working principle of the transistor Q904 is similar to that of the transistor Q902, which will not be repeated here. The second Darling tube and the first Darling tube are integrated into the same chip, which can improve the integration of the food processor circuit 20, reduce the circuit volume, and facilitate wiring.

[0057] The food processor circuit 20 also includes other darling tubes, which are integrated into the same chip as the first darling tube and the second darling tube. The other darling tubes are respectively connected to other components of the food processor 10. The controller 24 is connected to other darling tubes of the integrated chip through the P_SL1 to P_SL4 ports to control other components of the food processor 10. The controller 24 controls multiple components through the integrated chip, which can improve the integration of the food processor circuit 20. At the same time, the integrated chip can reduce the number of control devices and reduce costs.

[0058] The food processor circuit 20 further includes a digital tube chip SMG901. The controller 24 is connected to the digital tube chip SMG901 via control ports S0-S6 to control the display of the digital tube chip SMG901.

[0059] The food processor circuit 20 further includes a key circuit 27. The controller 24 is connected to the key circuit 27 via control ports TK1-TK5, and is used to receive electrical signals generated by operating keys TK1-TK6.

[0060] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0061] It should be understood that the present application is not limited to the precise structures that have been 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 present application is limited only by the appended claims.

Claims

1. A food processor circuit, characterized in that: include: A temperature detection circuit (21), comprising a detection terminal (211); A driving circuit (22), comprising a driving controlled end (221) and a driving output end (222); A sound-generating circuit (23) connected to the driving output end (222) of the driving circuit (22); and A controller (24) comprises an input / output port, wherein the input / output port is connected between the driving controlled end (221) and the detection end (211); the controller (24) is used to receive a signal from the temperature detection circuit (21) through the input / output port, and control the driving circuit (22) to control the sound generating circuit (23).

2. The food processor circuit according to claim 1, characterized in that: The food processor circuit (20) comprises an isolation circuit (25) connected between the drive controlled end (221) and the input / output port of the drive circuit (22).

3. The food processor circuit according to claim 2, characterized in that: The isolation circuit (25) comprises an isolation capacitor connected between the input / output port and the drive controlled end (221) of the drive circuit (22).

4. The food processor circuit according to claim 2, characterized in that: The food processor circuit (20) comprises a discharge resistor and a ground terminal, and the discharge resistor is connected to the isolation circuit (25) and the ground terminal.

5. The food processor circuit according to claim 1, characterized in that: The driving circuit (22) comprises a first Darling tube, the input end of the first Darling tube is the driving controlled end (221), the output end of the first Darling tube is the driving output end (222), and the controller (24) is used to control the on-off of the first Darling tube through the input and output ports to control the on-off of the sounding circuit (23).

6. The food processor circuit according to claim 5, characterized in that: The food processor circuit (20) comprises a display circuit (26) and a second Darlington tube, the controller (24) is connected to the input end of the second Darlington tube, the output end of the second Darlington tube is connected to the display circuit (26), and the second Darlington tube and the first Darlington tube are integrated into the same chip.

7. The food processor circuit according to claim 1, characterized in that: The temperature detection circuit (21) comprises a thermistor, and the thermistor is connected to the detection end (211).

8. The food processor circuit according to claim 7, characterized in that: The food processor circuit (20) comprises a decoupling capacitor connected in parallel with the thermistor.

9. The food processor circuit according to claim 7, characterized in that: The food processor circuit (20) comprises a DC power supply terminal and a ground terminal, the temperature detection circuit (21) comprises a pull-up resistor, the pull-up resistor and the thermistor are connected in series between the DC power supply terminal and the ground terminal, and the detection terminal (211) is connected between the pull-up resistor and the thermistor.

10. A food processor, characterized in that: include: Host (11); A cooking cup (12) which can be assembled on the main machine (11); and A food processor circuit (20) as claimed in any one of claims 1 to 9.

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