Control circuit for vegetable warming board and vegetable warming board

Abstract

The embodiment of the utility model discloses a control circuit for a vegetable warming board and the vegetable warming board, the control circuit comprises an induction module, a display module, a power supply control module and a speed regulation module, the induction module is used for detecting the distance between a human body and the vegetable warming board and generating a distance signal; the display module is used for receiving the distance signal and transmitting the distance signal to the power supply control module; the power supply control module is used for controlling the speed regulation module to regulate the rotating speed of the warming board according to the distance signal. The induction sensitivity of the control circuit is improved by utilizing the filtering effect of a capacitor in the induction module and the stable control of a resistor, so that the induction module detects the distance between a human body and the vegetable warming board and generates a distance signal, and the distance signal is transmitted to the power supply control module by using the display module; the power control module can control the speed adjusting module to adjust the rotating speed of the vegetable warming board according to the distance signal, so that the rotating speed of the vegetable warming board is automatically adjusted, and user experience is improved.

Description

Technical Field

[0001] The embodiments of the present application relate to but are not limited to the technical field of heating tables, and in particular to a control circuit for a food warming board and a food warming board. Background Art

[0002] Existing warming plates are generally divided into plate-shaped and turntable-shaped warming plates, and the turntable-shaped warming plates are divided into automatic rotation and manual. The warming plate is mainly used to keep the temperature of the dishes, while the turntable-shaped warming plate can help users to pick up food conveniently and quickly. However, in the existing technology, when using a turntable-shaped warming plate, users usually need to manually adjust the rotation speed of the warming plate to adapt to different food picking needs. However, this manual adjustment method is often not accurate and convenient enough. Since the distance between the user and the warming plate may change continuously, if the rotation speed of the warming plate is not adjusted in time and accurately, it may cause unstable food picking or improper clamping force, affecting the dining experience. Summary of the invention

[0003] The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.

[0004] The embodiment of the present application provides a control circuit for a food warming board and a food warming board, which can automatically adjust the rotation speed of the food warming board according to the distance between the user and the food warming board, meet the user's need for picking up food, and thus improve the user's dining experience.

[0005] In a first aspect, an embodiment of the present application provides a control circuit for a vegetable warming plate, comprising:

[0006] A sensing module, a display module, a power control module and a speed regulating module, wherein the sensing module, the display module, the power control module and the speed regulating module are connected in sequence, the sensing module is used to detect the distance between the human body and the vegetable warming plate and generate a distance signal, the display module is used to receive the distance signal and transmit it to the power control module, the power control module is used to control the speed regulating module to adjust the speed of the vegetable warming plate according to the distance signal, wherein the sensing module includes a sensor and a filtering processing module, the sensor includes a first pin, a second pin and a third pin, the The filtering processing module includes a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a transistor Q1, one end of the capacitor C2 is connected to the first pin, and the other end is connected to the third pin, both ends of the capacitor C1 are connected to the capacitor C2, one end of the resistor R4 is connected to the second pin, and the other end is connected to the resistor R5, one end of the resistor R5 is connected to the third pin, and the other end is connected to the transistor Q1, one end of the transistor Q1 is connected to the third pin, and the other end is connected to the resistor.

[0007] In combination with the first aspect, in a feasible embodiment, the transistor Q1 includes a base, a collector and an emitter, the base is connected to the resistor R5, the collector is connected to the resistor R2, and the emitter is connected to the third pin.

[0008] In combination with the first aspect, in a feasible embodiment, the display module includes a fourth pin and a fifth pin, the fourth pin is connected to the resistor R2, and the fifth pin is connected to the resistor R3.

[0009] In combination with the first aspect, in a feasible embodiment, the speed regulation module includes a drive circuit and a drive motor, the drive circuit is connected to the drive motor, the drive circuit includes a resistor R6, a resistor R7, a resistor R8, an inductor L1, an optocoupler G1 and a semiconductor device B1, one end of the resistor R8 is connected to the power control module, and the other end is connected to the optocoupler G1, one end of the resistor R7 is connected to the optocoupler G1, and the other end is connected to the resistor R6, the resistor R6 is connected to the semiconductor device B1, and the semiconductor device B1 is connected to the optocoupler G1 and the inductor L1.

[0010] In combination with the first aspect, in a feasible embodiment, the driving motor is connected to the inductor L1, and the driving motor is used to adjust the rotation speed of the vegetable warming plate according to a signal transmitted by the inductor L1.

[0011] In combination with the first aspect, in a feasible embodiment, the semiconductor device B1 includes a gate, a first main electrode and a second main electrode, one end of the gate is connected to the resistor R6, and the other end is connected to the resistor R7, the first main electrode is connected to the resistor R6, and the second main electrode is connected to the optocoupler device G1 and the inductor L1.

[0012] In combination with the first aspect, in a feasible embodiment, the optocoupler device G1 includes a first interface, a second interface, and a third interface, the first interface is connected to the resistor R8, the second interface is connected to the resistor R7, and the third interface is connected to the inductor L1.

[0013] In a second aspect, an embodiment of the present application provides a vegetable warming plate, which is applied to the control circuit described above, and includes:

[0014] A sensing component, a display component, a motor component, a heating component and a power control component, wherein the sensing component, the display component, the power control component and the motor component are connected in sequence, the heating component is connected to the power control component, the sensing component is used to sense the distance between the human body and the warming plate and generate a distance signal, the display component is used to transmit the distance signal to the power control component, and the power control component is used to control the motor component to adjust the rotation speed of the warming plate according to the distance signal, and control the heating temperature of the heating component.

[0015] In combination with the second aspect, in a feasible embodiment, the display component is also used to display the current temperature and prompt information of the warm food plate.

[0016] The present application provides a control circuit for a vegetable warming board, comprising a sensing module, a display module, a power control module and a speed regulating module, wherein the sensing module, the display module, the power control module and the speed regulating module are connected in sequence, wherein the sensing module is used to detect the distance between a human body and the vegetable warming board and generate a distance signal, the display module is used to receive the distance signal and transmit it to the power control module, and the power control module is used to control the speed regulating module to adjust the rotation speed of the vegetable warming board according to the distance signal, wherein the sensing module comprises a sensor and a filtering processing module, the sensor comprises a first pin, a second pin and a third pin, the filtering processing module comprises a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a transistor Q1, one end of the capacitor C2 is connected to the first pin, and the other end is connected to the third pin, both ends of the capacitor C1 are connected to the capacitor C2, one end of the resistor R4 is connected to the second pin, and the other end is connected to the resistor R5, one end of the resistor R5 is connected to the third pin, and the other end is connected to the transistor Q1, one end of the transistor Q1 is connected to the third pin, and the other end is connected to the resistor. Since capacitor C1 and capacitor C2 have a filtering function, capacitor C1 and capacitor C2 can filter out the interference generated by the power supply of the sensing module to prevent the interference signal from entering the sensing module. In addition, resistor R5 can ensure the stability of transistor Q1 and turn on transistor Q1, thereby ensuring the stability of the circuit. This application uses the filtering effect of capacitors C1 and C2 and the stable control of resistor R5 to enable the sensing module to more accurately sense changes in the external environment and respond accordingly, thereby improving the sensing sensitivity of the control circuit. In addition, this application uses the sensing module to detect the distance between the human body and the warming plate and generate a distance signal, and uses the display module to transmit the distance signal to the power control module, so that the power control module can control the speed control module to adjust the speed of the warming plate according to the distance signal, thereby realizing automatic adjustment of the speed of the warming plate according to the distance between the user and the warming plate, meeting the user's need to pick up food, thereby improving the user's dining experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the structure of a control circuit provided in an embodiment of the present application;

[0018] Figure 2 is a partial structural diagram of a control circuit provided in an embodiment of the present application;

[0019] Figure 3 is a partial structural diagram of a control circuit provided in yet another embodiment of the present application;

[0020] Figure 4 It is a schematic diagram of the structure of a warming plate provided in an embodiment of the present application;

[0021] Reference numerals: sensing module 110 ; display module 120 ; power control module 130 ; speed regulation module 140 ; ​​sensing component 410 ; motor component 420 ; heating component 430 ; power control component 440 ; display component 450 . DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0023] It should be noted that, although the logical order is shown in the flowchart, in some cases, the steps shown or described can be performed in a different order from that in the flowchart. The terms "first", "second", etc. in the specification, claims and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that the present invention can be implemented, so they have no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of narration, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of the relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein are only for the purpose of describing the embodiments of this application and are not intended to limit this application.

[0025] Existing warming plates are generally divided into plate-shaped and turntable-shaped warming plates, and the turntable-shaped warming plates are divided into automatic rotation and manual. The warming plate is mainly used to keep the temperature of the dishes, while the turntable-shaped warming plate can help users to pick up food conveniently and quickly. However, in the existing technology, when using a turntable-shaped warming plate, users usually need to manually adjust the rotation speed of the warming plate to adapt to different food picking needs. However, this manual adjustment method is often not accurate and convenient enough. Since the distance between the user and the warming plate may change continuously, if the rotation speed of the warming plate is not adjusted in time and accurately, it may cause unstable food picking or improper clamping force, affecting the dining experience.

[0026] In view of this, an embodiment of the present application provides a control circuit for a vegetable warming board and a vegetable warming board, wherein the control circuit for the vegetable warming board comprises a sensing module, a display module, a power control module and a speed regulating module, and the sensing module, the display module, the power control module and the speed regulating module are connected in sequence, the sensing module is used to detect the distance between the human body and the vegetable warming board and generate a distance signal, the display module is used to receive the distance signal and transmit it to the power control module, the power control module is used to control the speed regulating module to adjust the rotation speed of the vegetable warming board according to the distance signal, wherein the sensing module comprises a sensor And filtering processing module, the sensor includes a first pin, a second pin and a third pin, the filtering processing module includes capacitor C1, capacitor C2, resistor R1, resistor R2, resistor R3, resistor R4, resistor R5 and transistor Q1, one end of capacitor C2 is connected to the first pin, and the other end is connected to the third pin, both ends of capacitor C1 are connected to capacitor C2, one end of resistor R4 is connected to the second pin, and the other end is connected to resistor R5, one end of resistor R5 is connected to the third pin, and the other end is connected to transistor Q1, one end of transistor Q1 is connected to the third pin, and the other end is connected to resistor. Since capacitor C1 and capacitor C2 have the function of filtering, capacitor C1 and capacitor C2 can filter out the interference generated by the power supply of the induction module to prevent the interference signal from entering the induction module. In addition, resistor R5 can ensure the stability of transistor Q1 and turn on transistor Q1, thereby ensuring the stability of the circuit. The present application utilizes the filtering effect of capacitors C1 and C2 and the stable control of resistor R5, so that the sensing module can more accurately sense changes in the external environment and respond accordingly, thereby improving the sensing sensitivity of the control circuit. In addition, the present application uses the sensing module to detect the distance between the human body and the warming plate and generate a distance signal, and uses the display module to transmit the distance signal to the power control module, so that the power control module can control the speed control module to adjust the speed of the warming plate according to the distance signal, thereby realizing automatic adjustment of the speed of the warming plate according to the distance between the user and the warming plate, meeting the user's need to pick up food, and improving the user's dining experience.

[0027] The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0028] See also Figure 1 , Figure 1 1 is a schematic diagram of the structure of the control circuit provided by the embodiment of the present application. The control circuit includes a sensing module 110, a display module 120, a power control module 130 and a speed regulating module 140, and the sensing module 110, the display module 120, the power control module 130 and the speed regulating module 140 are connected in sequence. Among them, the sensing module 110 can detect the distance between the human body and the warming plate and generate a distance signal, the display module 120 can receive the distance signal and transmit it to the power control module 130, and the power control module 130 can control the speed regulating module 140 to adjust the rotation speed of the warming plate according to the distance signal to meet the user's need for picking up food, thereby improving the user's dining experience.

[0029] In a possible embodiment, if Figure 2 As shown, the sensing module 110 includes a sensor and a filtering processing module, wherein the sensor includes a first pin, a second pin and a third pin, and the filtering processing module includes a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a transistor Q1, one end of the capacitor C2 is connected to the first pin, and the other end is connected to the third pin, both ends of the capacitor C1 are connected to the capacitor C2, one end of the resistor R4 is connected to the second pin, and the other end is connected to the resistor R5, one end of the resistor R5 is connected to the third pin, and the other end is connected to the transistor Q1, one end of the transistor Q1 is connected to the third pin, and the other end is connected to the resistor. Specifically, the transistor Q1 includes a base D, a collector C and an emitter E, the base D is connected to the resistor R5, the collector C is connected to the resistor R2, and the emitter D is connected to the third pin.

[0030] In a feasible embodiment, the first pin of the sensor may be a power supply voltage pin. Figure 2 In the embodiment, since one end of the resistor R5 is connected to the power supply voltage and the other end is connected to the first pin, the first pin can input the power supply voltage to provide the sensor with the power required for operation.

[0031] In a feasible embodiment, the second pin of the sensor is an output pin, which can transmit the distance information between the human body and the warm food plate detected by the sensor to an external element (such as resistor R4).

[0032] In a feasible embodiment, the third pin of the sensor is a ground pin, which is usually connected to a negative power supply or ground. It can provide a circuit reference point for the sensor, ensuring that the sensor and other devices are at the same potential, thereby ensuring the stability and accuracy of signal transmission.

[0033] In a feasible embodiment, the sensor of the sensing module 110 can be a radar sensor. Since the radar sensing module can sense users within a diameter area, when the user approaches the warming plate, the sensing module 112 can quickly sense the user's approach and transmit a distance signal to the display module 120. After the display module 120 transmits the distance signal to the power control module 130, the power control module 130 can control the speed regulation module 140 according to the distance signal to adjust or reduce the rotation speed of the warming plate to meet the user's need to pick up food, thereby greatly improving the convenience and comfort of use.

[0034] In a feasible embodiment, the sensor of the sensing module 110 may adopt the HLK-LD102 series chip, and the chip adopted by the sensor is not limited here.

[0035] In a feasible embodiment, the sensing module 110 can be set to a 10G frequency band module, and the sensing area of ​​the sensing module 110 can be adjusted according to user needs. For example, the sensing area of ​​the sensing module 110 can be set to an area with a sensing diameter of 25 meters.

[0036] In a feasible embodiment, a power source may be connected to one end of the resistor R1 so that the sensing module 110 can measure the distance between the human body and the food warming plate and generate a distance signal after being powered on.

[0037] It should be noted that in the control circuit, when the sensing module is connected to the power supply, since the capacitors C1 and C2 have a filtering effect, the capacitors C1 and C2 can filter out the interference generated by the power supply of the sensing module to prevent the interference signal from entering the sensing module 110. In addition, R4 can limit the current size of the branch where it is located to prevent the current from being too large and damaging the remaining resistors and capacitors connected thereto. In addition, the resistor R5 can be used as a pull-down resistor of the back-end transistor Q1. When the sensing module 110 senses and generates a distance signal, the resistor R5 can ensure that the transistor Q1 is turned on, so that the distance signal can be transmitted to the display module 120.

[0038] In a possible embodiment, if Figure 2 As shown, the display module 120 includes a fourth pin and a fifth pin, wherein the fourth pin is connected to the resistor R2, and the fifth pin is connected to the resistor R3. In addition, the display module 120 also includes a sixth pin, which can be connected to the ground line of the circuit.

[0039] In a feasible embodiment, the connection between the display module 120 and the power control module 130 can use a chip of model BS86E16C or MC96F8208, that is, the port of the display module 120 can use a chip of model BS86E16C or MC96F8208. The power control module 130 can use a chip of model MC96F8028. It should be noted that the present application does not limit the port of the display module 120 and the chip used by the power control module 130.

[0040] Reference Figure 3 In a feasible embodiment, the speed control module 140 includes a drive circuit and a drive motor 310, and the drive circuit is connected to the drive motor 310, wherein the drive circuit includes a resistor R6, a resistor R7, a resistor R8, an inductor L1, an optocoupler G1 and a semiconductor device B1, one end of the resistor R8 is connected to the power control module 130, and the other end is connected to the optocoupler G1, one end of the resistor R7 is connected to the optocoupler G1, and the other end is connected to the resistor R6, the resistor R6 is connected to the semiconductor device B1, and the semiconductor device B1 is connected to the optocoupler G1 and the inductor L1. Specifically, the semiconductor device B1 includes a gate, a first main pole and a second main pole, one end of the gate is connected to the resistor R6, and the other end is connected to the resistor R7, the first main pole is connected to the resistor R6, and the second main pole is connected to the optocoupler G1 and the inductor L1. In Figure 3 In the embodiment, the optical coupling device G1 includes a first interface M1, a second interface M2 and a third interface M3. The first interface M1 is connected to the resistor R8, the second interface M2 is connected to the resistor R7, and the third interface M3 is connected to the inductor L1.

[0041] In a feasible embodiment, the optocoupler device G1 may be an optocoupler 3021 (MOC3021), and the semiconductor device B1 may be a thyristor rectifier (thyristor diode). It should be noted that the present application does not limit the types of the optocoupler device G1 and the semiconductor device B1.

[0042] exist Figure 3In the embodiment, the drive motor 310 can be connected to the inductor L1 so that the drive motor 310 receives the signal transmitted by the inductor L1 and adjusts the rotation speed of the warm food plate according to the signal to meet the user's need for picking up food, thereby improving the convenience and comfort of the user. Specifically, the drive motor 310 is provided with an interface 1 and an interface 2, wherein the interface 2 can be connected to the inductor L1 to receive the signal transmitted by the inductor L1, and the interface 1 can be grounded to ensure that the drive motor 310 and other devices are at the same potential, thereby ensuring the stability and accuracy of the signal transmission. It should be noted that since the drive motor 310 may generate interference signals during operation, affecting the normal operation of the drive circuit, the interference signals of the drive motor 310 can be eliminated by connecting the inductor L1 to the drive motor 310, so that the drive circuit can work normally.

[0043] In addition, if Figure 4 As shown, the present application also provides a vegetable warming board, which can be applied to the foregoing control circuit, and the vegetable warming board includes a sensing component 410, a motor component 420, a heating component 430, a power control component 440 and a display component 450, wherein the sensing component 410, the display component 450 and the power control component 440 are connected in sequence, and the motor component 420 and the heating component 430 are respectively connected to the power control component 440. Specifically, the sensing component 410 can sense the distance between the human body and the vegetable warming board and generate a distance signal; the display component 450 can receive the distance signal and transmit the distance signal to the power control component 440; the power control component 440 can control the motor component 420 to adjust the rotation speed of the vegetable warming board according to the distance signal, and control the heating component 430 to adjust the heating temperature of the vegetable warming board.

[0044] In a feasible embodiment, the display component 450 can also display the current temperature and prompt information of the warming plate. For example, the display component 450 can display the current temperature of the warming plate in real time, so that the user can adjust the temperature setting according to the needs of the food to ensure that the food maintains the best taste. In addition, when the warming plate is in a high temperature state, the display component 450 can display the corresponding safety prompt information in time to prevent the user from accidentally getting scalded.

[0045] In a feasible embodiment, when the user approaches the warming plate and is within the preset sensing area of ​​the sensing component 410, the sensing component 410 can generate a distance signal according to the distance between the user and the warming plate, and transmit the distance signal to the display component 450, so that the display component 450 can send the distance signal to the power control component 440. After receiving the distance signal, the power control component 440 controls the motor component 420 to adjust the rotation speed of the warming plate according to the distance signal, so as to meet the user's need to pick up food, thereby improving the convenience and comfort of the user.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A control circuit for a food warming plate, characterized in that: include: A sensing module, a display module, a power control module and a speed regulating module, wherein the sensing module, the display module, the power control module and the speed regulating module are connected in sequence, the sensing module is used to detect the distance between the human body and the vegetable warming plate and generate a distance signal, the display module is used to receive the distance signal and transmit it to the power control module, the power control module is used to control the speed regulating module to adjust the speed of the vegetable warming plate according to the distance signal, wherein the sensing module includes a sensor and a filtering processing module, the sensor includes a first pin, a second pin and a third pin, the The filtering processing module includes a capacitor C1, a capacitor C2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5 and a transistor Q1, one end of the capacitor C2 is connected to the first pin, and the other end is connected to the third pin, both ends of the capacitor C1 are connected to the capacitor C2, one end of the resistor R4 is connected to the second pin, and the other end is connected to the resistor R5, one end of the resistor R5 is connected to the third pin, and the other end is connected to the transistor Q1, one end of the transistor Q1 is connected to the third pin, and the other end is connected to the resistor.

2. The control circuit according to claim 1, characterized in that: The transistor Q1 includes a base, a collector and an emitter. The base is connected to the resistor R5, the collector is connected to the resistor R2, and the emitter is connected to the third pin.

3. The control circuit according to claim 1, characterized in that: The display module includes a fourth pin and a fifth pin, the fourth pin is connected to the resistor R2, and the fifth pin is connected to the resistor R3.

4. The control circuit according to claim 1, characterized in that: The speed regulation module includes a drive circuit and a drive motor, the drive circuit is connected to the drive motor, the drive circuit includes a resistor R6, a resistor R7, a resistor R8, an inductor L1, an optocoupler G1 and a semiconductor device B1, one end of the resistor R8 is connected to the power control module, and the other end is connected to the optocoupler G1, one end of the resistor R7 is connected to the optocoupler G1, and the other end is connected to the resistor R6, the resistor R6 is connected to the semiconductor device B1, and the semiconductor device B1 is connected to the optocoupler G1 and the inductor L1.

5. The control circuit according to claim 4, characterized in that: The driving motor is connected to the inductor L1, and the driving motor is used to adjust the rotation speed of the warm vegetable plate according to the signal transmitted by the inductor L1.

6. The control circuit according to claim 4, characterized in that: The semiconductor device B1 includes a gate, a first main electrode and a second main electrode. One end of the gate is connected to the resistor R6, and the other end is connected to the resistor R7. The first main electrode is connected to the resistor R6, and the second main electrode is connected to the optocoupler device G1 and the inductor L1.

7. The control circuit according to claim 4, characterized in that: The optical coupler device G1 includes a first interface, a second interface, and a third interface. The first interface is connected to the resistor R8, the second interface is connected to the resistor R7, and the third interface is connected to the inductor L1.

8. A vegetable warming plate, characterized in that: The control circuit according to any one of claims 1 to 7 comprises: A sensing component, a display component, a motor component, a heating component and a power control component, wherein the sensing component, the display component, the power control component and the motor component are connected in sequence, the heating component is connected to the power control component, the sensing component is used to sense the distance between the human body and the warming plate and generate a distance signal, the display component is used to transmit the distance signal to the power control component, and the power control component is used to control the motor component to adjust the rotation speed of the warming plate according to the distance signal, and control the heating temperature of the heating component.

9. The vegetable warming plate according to claim 8, characterized in that: The display component is also used to display the current temperature and prompt information of the warm food plate.

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