CN-224216192-U - Heating disc temperature detection device

Abstract

The utility model discloses a heating plate temperature detection device which comprises a heat conduction cover plate, a heat insulation plate and a temperature sensor, wherein the heat conduction cover plate is used for guiding heat of a heating plate, the heat insulation plate is arranged at the lower end of the heat conduction cover plate, and a probe of the temperature sensor is fixedly pressed between the heat conduction cover plate and the heat insulation plate. The probe of the temperature detection device is firmly installed, can keep effective contact with the heating plate, has strong reliability, and can improve detection precision and response speed.

Inventors

• MENG ZHIMIN

Assignees

• 佛山市迈柔达电器有限公司

Dates

Publication Date

20260508

Application Date

20250718

Claims (10)

1. 1. The heating plate temperature detection device is characterized by comprising a heat conduction cover plate, a heat insulation plate and a temperature sensor, wherein the heat conduction cover plate is used for guiding heat of a heating plate, the heat insulation plate is arranged at the lower end of the heat conduction cover plate, and a probe of the temperature sensor is fixedly pressed between the heat conduction cover plate and the heat insulation plate.
2. 2. The device for detecting the temperature of a heating plate according to claim 1, wherein the lower end of the heat conducting cover plate is provided with an upward concave accommodating groove, and the probe of the temperature sensor is positioned in the accommodating groove.
3. 3. A heat-generating plate temperature detecting device according to claim 2, wherein the lead wire of the temperature sensor extends upward and then is bent and extended into the accommodating groove to be connected with the probe.
4. 4. The device for detecting the temperature of a heating plate according to claim 3, further comprising a supporting shell, wherein an inward extending plate is arranged at the upper end of the supporting shell, an annular mounting plate is arranged at the lower end of the inward extending plate, and the heat conducting cover plate, the probe of the temperature sensor, the heat insulating plate, the inward extending plate and the annular mounting plate are connected together through a flip rivet structure.
5. 5. The device for detecting the temperature of a heating plate according to claim 4, wherein the riveting structure comprises a plurality of rivets arranged on the inner circumference of the heat conducting cover plate, and the rivets are folded outwards after extending downwards from the inner circumference of the heat conducting cover plate and are abutted against the lower end of the annular mounting plate.
6. 6. The heating plate temperature detection device according to claim 5, wherein a first avoiding groove for avoiding each rivet is formed in the inner side of the annular mounting plate, a plurality of limiting sheets bent upwards are arranged on the inner side of the inner extension plate, limiting grooves are formed in positions, corresponding to the limiting sheets, of the heat insulation plate, the limiting sheets extend into the limiting grooves, and the positions of the limiting sheets correspond to the positions of the first avoiding grooves one by one.
7. 7. The heating plate temperature detection device according to claim 6, wherein the size of one rivet is larger than the sizes of other rivets, the size of the first avoiding groove corresponding to the maximum rivet is larger than the sizes of other first avoiding grooves, the size of the limiting piece corresponding to the maximum rivet is larger than the sizes of other limiting pieces, and the size of the limiting groove corresponding to the maximum rivet is larger than the sizes of other limiting grooves.
8. 8. The heating plate temperature detection device according to claim 4, wherein the annular mounting plate, the inner extension plate and the heat insulation plate are respectively provided with a second avoidance groove for avoiding wires of the temperature sensor, the opening of the second avoidance groove of the annular mounting plate faces opposite to the opening of the second avoidance groove of the heat insulation plate, and the wires of the temperature sensor vertically penetrate through the second avoidance groove and then horizontally bend and extend into the accommodating groove.
9. 9. The heating plate temperature detection device according to claim 1, wherein the heat conducting cover plate is made of a high heat conducting material including but not limited to aluminum or copper or alloy, and the heat insulating plate is made of a high temperature resistant heat insulating material including but not limited to mica plates.
10. 10. The heating plate temperature detection device according to claim 3, wherein the temperature sensor is a thermocouple sensor, a protective sleeve is arranged on a wire of the temperature sensor, the protective sleeve is resistant to high temperature of more than 400 ℃, and the material of the protective sleeve is glass fiber material.

Description

Heating disc temperature detection device Technical Field The utility model relates to the technical field of temperature detection of electric heating equipment, in particular to a heating plate temperature detection device. Background The electric heating equipment, such as an electric heating furnace, is connected with a power supply through an external connecting wire, and utilizes external power supply to heat the heating plate structure, so that the electric heating equipment has the characteristics of simple structure, light weight, cleanness, no pollution, high automation degree and the like. The temperature of the heating plate is a very critical physical quantity of the electric heating device in cooking, and a temperature sensor is usually arranged on the heating plate to detect the temperature of the heating plate. The middle of the existing heating plate is provided with a through hole, a probe of a temperature sensor is mainly in contact with the side wall of the through hole, and the temperature of the side wall of the through hole is detected to obtain the temperature of the heating plate. However, when the temperature sensor is used, the probe is easy to displace or deform and is not firmly installed, so that the probe of the temperature sensor cannot be effectively contacted with the side wall of the through hole, the detection precision is low, the reliability is poor, and the response speed is low. Disclosure of utility model The utility model aims to overcome the problems and provide a heating plate temperature detection device, the probe of which is firmly installed, can keep effective contact with a heating plate, has high reliability and can improve detection precision and response speed. The aim of the utility model is achieved by the following technical scheme: The heat-generating plate temperature detection device comprises a heat-conducting cover plate, a heat-insulating plate and a temperature sensor, wherein the heat-conducting cover plate is used for guiding heat of a heat-generating plate, the heat-insulating plate is arranged at the lower end of the heat-conducting cover plate, and a probe of the temperature sensor is fixedly pressed between the heat-conducting cover plate and the heat-insulating plate. The working principle of the heating disc temperature detection device is as follows: During operation of the heating plate, generated heat can be directly transferred to the heat conducting cover plate, the heat conducting cover plate is in contact with the probe of the temperature sensor, and the temperature of the heat conducting cover plate can be measured, so that the temperature of the heating plate is obtained, the heat insulating plate can play a good heat insulating role, the heat of the heat conducting cover plate is prevented from being emitted downwards, and a good protective role is played for electrical elements below. The probe of the temperature sensor is pressed and fixed between the heat conduction cover plate and the heat insulation plate, so that the probe of the temperature sensor is firmly installed, the probe of the temperature sensor is not easy to displace or deform, and even if the probe of the temperature sensor displaces or deforms, the probe can be fully and effectively contacted with the heat conduction cover plate, the reliability is high, and the detection precision and the response speed can be improved. In a preferred embodiment of the present utility model, an accommodating groove recessed upward is provided at a lower end of the heat conducting cover plate, and the probe of the temperature sensor is located in the accommodating groove. Through setting up above-mentioned mechanism, the holding tank is used for installing temperature sensor's probe, compresses tightly between heat insulating board and the heat conduction apron, can fix temperature sensor's probe clamp fastening in the holding tank, can play spacing effect to temperature sensor's the probe of installation, further improves fixed reliability, guarantees that temperature sensor's probe can realize effective contact with the heat conduction apron. Preferably, the lead wire of the temperature sensor extends upwards and then bends and stretches into the accommodating groove to be connected with the probe. In the above-mentioned structure, the wire upwards extends the back, stretches into the holding tank through buckling in, and its aim at ensures that temperature sensor's probe can not take place not hard up, and the wire stretches into the holding tank through buckling in, can guarantee to prevent that the wire is not hard up in upper and lower direction, ensures temperature sensor's probe and heat conduction apron contact all the time, improves reliability, stability and the accuracy of temperature measurement. Preferably, the device further comprises a support shell, wherein an inward extending plate is arranged at the upper end of the support shell, an annular mounting plate i