Cooking appliance displaying the temperature of the electric hot plate
By installing a combination of a temperature sensor and a control board on an electric cooking appliance, the temperature of the heating plate can be displayed in real time during standby mode, solving the problem of unknown temperature during standby mode and improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN MAIROUDA ELECTRIC CO LTD
- Filing Date
- 2025-04-07
- Publication Date
- 2026-05-29
AI Technical Summary
Existing electric cooking appliances lack a heating plate temperature display in standby mode, which can easily lead to burns.
A temperature sensor with a temperature probe is installed on the heating plate. The data is processed by the control board and the temperature of the heating plate is displayed on the monitor, realizing real-time temperature display in standby mode.
This effectively avoids burns caused by unknown heating plate temperatures and improves the safety of appliance use.
Smart Images

Figure CN224291710U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cooking appliance technology, and in particular to an electric cooking appliance that continues to display the temperature of the heating plate after cooking is completed and the appliance enters standby mode. Background Technology
[0002] Currently, the displays on electric cooking appliances (such as multi-functional electric stoves, ceramic stoves, induction cookers, rice cookers, and electric herbal medicine pots) are mainly used to indicate the heating status (rotating motion), the standby status (without any display), the real-time temperature of the cooking container, the keep-warm temperature, the cooking countdown timer, the power level selection, and appliance fault codes. However, they lack the function of displaying the heating plate temperature after cooking is completed and the appliance is in standby mode. Therefore, when there is no container on the heating plate or microcrystalline glass plate, touching it can easily cause burns, especially when the heating plate is flush with or protrudes from the top of the appliance, which can easily lead to personal injury and property damage. Utility Model Content
[0003] This invention utilizes a temperature sensor with a temperature probe attached to an electric heating plate to collect temperature data of the heating plate in real time and quickly. After the appliance enters standby mode, the control board processes and outputs the collected data, and the display shows the temperature of the heating plate, so as to promptly warn and remind the user and effectively avoid personal injury or property damage caused by touching the high-temperature heating plate.
[0004] To achieve the above objectives, the technical solution of this utility model is a cooking appliance that displays the temperature of an electric heating plate, comprising:
[0005] The device specifically includes: a housing, a power cord, wires, a heating plate, a temperature sensor, a control board, and a display.
[0006] The temperature sensor is a device made of a sensitive material whose physical properties change with temperature, with the temperature probe contacting the heating plate and the electrical connection port connected to the control board.
[0007] The display is an optoelectronic device that is electrically connected to the control board and displays the temperature of the heating plate when the appliance is in standby mode.
[0008] Furthermore, the cooking appliance that displays the temperature of the heating plate is specifically the main body of the cooking appliance, comprising: a housing for decorative appearance, housing and protection of internal components, a casing composed of one or more parts made of metal or non-metal, a power cord for introducing working power, a control board, a heating plate, a temperature sensor, a display, and wires for electrical connections between the electrical components.
[0009] Furthermore, in the aforementioned cooking appliance for displaying the temperature of the heating plate, the temperature sensor is an independent thermistor, thermistor transistor, or thermoelectric electrode, or a combination device including a protective device and a thermistor, thermistor transistor, or thermoelectric electrode.
[0010] Furthermore, in the aforementioned cooking appliance that displays the temperature of the heating plate, the display is mounted on a control panel or is electrically connected to the control panel but separate from it.
[0011] Furthermore, the aforementioned cooking appliance for displaying the temperature of the heating plate, when in standby mode, is only used to display the temperature of the heating plate, or to display the cooking status, container temperature, and cooking time during the cooking process; when in standby mode, it uses an LED, LCD, OLED, or EPD optoelectronic device to display the temperature of the heating plate.
[0012] Furthermore, the control board includes: a PCB board, an IC chip programmed with a cooking program, a power on / off control device, and electrical modules consisting of resistors, capacitors, and inductors.
[0013] Furthermore, in the aforementioned cooking appliance that displays the temperature of the heating plate, the heating plate is a circular, square, or elliptical, flat, or convex resistive heating or electromagnetic heating device.
[0014] The beneficial effects of this invention lie in its technical feature of utilizing a temperature sensor probe that is placed against the heating plate to collect the heating plate's temperature in real time and quickly. The real-time temperature of the heating plate in standby mode is displayed via a control board and a monitor, allowing users to know the temperature of the heating plate without being near the appliance, thereby improving the safety of appliance use and preventing unnecessary accidents. Other effects will be partly set forth in the description which follows, and partly apparent from the following description, or may be learned by practice of this invention. Attached Figure Description
[0015] Figure 1 This is a schematic view of the display being mounted on the control panel in an embodiment.
[0016] Figure 2 This is a schematic view showing the electrical connection between the independent display and control board in this embodiment.
[0017] Reference numerals: 1. Heating plate; 2. Temperature sensor; 3. Control board; 4. Display. Detailed implementation method:
[0018] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Examples of the embodiments are shown in the drawings. The described embodiments are exemplary, and similar reference numerals denote the same or similar devices or devices with the same or similar functions. The terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the drawings and are only for the convenience of describing this utility model and simplifying the description. They are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0019] The following is a description of the concepts involved in this utility model. "Abutting": "Abutting" refers to squeezing, pushing, pressing, or pressing with force; "connecting" means linking. "Abutting" refers to a connection method in which two or more devices are squeezed, pushed, pressed, or pressed together by forces generated in different ways to form a fixed or movable connection. Terms such as "electrical connection," "module," "combined device," "standby state," and "installation / protection device" should be interpreted broadly based on known technology and the description herein, unless otherwise explicitly specified or limited. Therefore, those skilled in the art can understand the meaning of the above terms in this utility model according to the specific circumstances.
[0020] The following is for reference. Figures 1 to 2 This invention describes a cooking appliance that displays the temperature of an electric heating plate.
[0021] The technical solution of this utility model is a cooking appliance that displays the temperature of an electric heating plate, comprising:
[0022] The device specifically includes: a housing, a power cord, wires, a heating plate 1, a temperature sensor 2, a control board 3, and a display 4; the temperature sensor is a device made of a sensitive material whose physical properties change with temperature, with a temperature probe abutting against the heating plate and an electrical connection port connected to the control board.
[0023] The control board includes: a PCB board, an IC chip with a cooking program, a power on / off control device, and electrical modules of resistors, capacitors, and inductors; the display is an optoelectronic device electrically connected to the control board that displays the temperature of the heating plate when the appliance is in standby mode.
[0024] Furthermore, the aforementioned cooking appliance for displaying the temperature of the heating plate, wherein the appliance body is the main body of the cooking appliance, comprising: one or more components made of metal or non-metal for decorative appearance, installation and protection of internal components, including a shell such as a base, panel, upper shell, and decorative parts as traditionally termed; a power cord for introducing working power; a control board; a heating plate; a temperature sensor; a display; and wires for electrical connection between electrical components; the temperature sensor is a thermistor, thermistor transistor, or thermoelectric electrode whose physical properties change with temperature, or a combination device including a protective device and a thermistor, thermistor transistor, or thermoelectric electrode; the display is mounted on the control board or electrically connected to and separate from the control board, and in standby mode, it is used only to display the temperature of the heating plate, or during cooking, to display the cooking status, container temperature, and cooking time, and in standby mode, it is an LED, LCD, OLED, or EPD photoelectric device for displaying the temperature of the heating plate; the heating plate is a resistance heating or electromagnetic heating device that is round, square, or elliptical, and is flat or concave-convex.
[0025] Furthermore, the temperature sensor, which is attached to the heating plate, collects the temperature data of the heating plate and transmits it to the control board for processing and output via wires. When the appliance is in standby mode, the temperature of the heating plate is displayed on the screen. If the temperature of the heating plate is lower than that specified in GB4706.1, or lower than the set safety temperature, or when the appliance is to be used next time, the display will not show the heating plate temperature. Thus, even in standby mode, the temperature of the heating plate displayed on the screen can promptly warn and remind the user, thereby effectively preventing safety accidents. In addition, if the heating plate is replaced with a microcrystalline glass plate on the surface of an induction cooker or ceramic cooker, and the temperature sensor's probe is attached to the microcrystalline glass plate, the temperature of the microcrystalline glass plate in standby mode can be displayed, improving the safety of using induction cookers and ceramic cookers.
[0026] Furthermore, the following combination Figure 1 and Figure 2 The present invention provides a further description of a cooking appliance that displays the temperature of an electric heating plate.
[0027] like Figure 1 The embodiment shown describes a cooking appliance for displaying the temperature of an electric heating plate. The appliance includes: a housing, a power cord, wires, an electric heating plate, a temperature sensor, a control board, and a display. The display is an LED photoelectric device mounted on the control board that displays information such as cooking status, container temperature, and cooking time during cooking, and displays the temperature of the electric heating plate when in standby mode.
[0028] like Figure 2The embodiment shown describes a cooking appliance for displaying the temperature of an electric heating plate, comprising: a body, which includes: a housing, a power cord, wires, an electric heating plate, a temperature sensor, a control board, and a display; the display is an LED photoelectric device that is electrically connected to and separate from the control board, and is used only to display the temperature of the electric heating plate when in standby mode.
[0029] Therefore, the technical solution of the cooking appliance that displays the temperature of the heating plate is applicable not only to household or commercial multi-purpose electric stoves, induction cookers, induction cookers, and ceramic cookers, but also to household or commercial rice cookers, electric steamers, air fryers, electric slow cookers, electric multi-purpose cookers, electric pressure cookers, health pots, and electric Chinese medicine pots.
Claims
1. A cooking appliance for displaying the temperature of an electric heating plate, characterized in that, include: The device specifically includes: a housing, a power cord, wires, a heating plate, a temperature sensor, a control board, and a display. The temperature sensor is a device made of a sensitive material whose physical properties change with temperature, with the temperature probe contacting the heating plate and the electrical connection port connected to the control board. The display is an optoelectronic device that is electrically connected to the control board and displays the temperature of the heating plate when the appliance is in standby mode.
2. A cooking appliance for displaying the temperature of an electric heating plate according to claim 1, characterized in that, The temperature sensor is a standalone thermistor, thermistor transistor, or thermoelectric electrode, or a combination device including a protective mounting device and a thermistor, thermistor transistor, or thermoelectric electrode.
3. A cooking appliance for displaying the temperature of an electric heating plate according to claim 1, characterized in that, The display is mounted on the control panel or is electrically connected to the control panel but separate from it.
4. A cooking appliance for displaying the temperature of an electric heating plate according to claim 1 or 3, characterized in that, The display is an LED, LCD, OLED, or EPD optoelectronic device that displays the cooking status, container temperature, and cooking time during the cooking process, and displays the heating plate temperature when in standby mode.
5. A cooking appliance for displaying the temperature of an electric heating plate according to claim 1, characterized in that, The control board includes: a PCB board, an IC chip programmed with a cooking program, a power on / off control device, and electrical modules consisting of resistors, capacitors, and inductors.