CN217111193U - Temperature measuring device for electric heating device - Google Patents
Temperature measuring device for electric heating device Download PDFInfo
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- CN217111193U CN217111193U CN202220278930.3U CN202220278930U CN217111193U CN 217111193 U CN217111193 U CN 217111193U CN 202220278930 U CN202220278930 U CN 202220278930U CN 217111193 U CN217111193 U CN 217111193U
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- temperature
- sensing tube
- temperature sensing
- electric heating
- sensor chip
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Abstract
The utility model discloses a temperature measuring device for an electric heating device, which comprises a temperature sensing pipe, wherein a temperature sensor chip is arranged in the temperature sensing pipe, the temperature sensor chip is connected with a connecting terminal through a high-temperature resistant conducting wire, the temperature sensor chip is exposed and attached on the inner wall of the temperature sensing pipe, and a distance is left between the temperature sensor chip and the head of the temperature sensing pipe; when the head of the temperature sensing tube extends into the heating device, the outer wall of the temperature sensing tube where the temperature sensor chip is located can be attached to the heating surface of the electric heating device. The utility model provides a temperature measuring device for electric heater unit can guarantee temperature sensor and electric heater unit's the face in close contact with that generates heat, improves the precision and the sensitivity of temperature measurement greatly, and simple structure, easy to install and maintain.
Description
Technical Field
The utility model relates to a temperature measuring device especially relates to a temperature measuring device for electric heater unit.
Background
The electric heating device is a common electric appliance, such as a commonly used electric heating pan, an electric heating plate or an electric ceramic stove. The electric heating device with temperature control needs to be connected with the temperature controller, because the power of the electric heating device is large, if the temperature of the temperature controller is not accurate, the cooking effect is influenced slightly, and even edible oil is burnt when the temperature is serious. Whether the temperature controller can realize accurate temperature control depends on whether the temperature of the electric heating device can be accurately measured. The temperature sensor of the existing temperature measuring device is generally positioned at the end of the temperature measuring device and is contacted with the heating surface of the electric heating device in a point contact mode, so that poor contact is easily caused, and the temperature measuring precision is influenced.
In view of the above, a new temperature measuring device for an electric heating device needs to be designed to solve the problem of poor contact between the heating surface of the existing temperature measuring device and the heating surface of the electric heating device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a temperature measuring device for electric heater unit is provided, can guarantee temperature sensor and electric heater unit's the face in close contact with that generates heat, improve the precision and the sensitivity of temperature measurement greatly, and simple structure, easy to install and maintain.
The technical solution adopted by the present invention to solve the above technical problems is to provide a temperature measuring device for an electric heating device, comprising a temperature sensing tube, wherein a temperature sensor chip is arranged in the temperature sensing tube, and the temperature sensor chip is connected to a connecting terminal through a high temperature resistant conductive wire, wherein the temperature sensor chip is exposed and attached to the inner wall of the temperature sensing tube, and a distance is left between the temperature sensor chip and the head of the temperature sensing tube; when the head of the temperature sensing tube extends into the heating device, the outer wall of the temperature sensing tube where the temperature sensor chip is located can be attached to the heating surface of the electric heating device.
The utility model discloses contrast prior art has following beneficial effect: the utility model provides a temperature measuring device for an electric heating device, wherein a temperature sensor chip is exposed and attached on the inner wall of a temperature sensing pipe, and a distance is reserved between the temperature sensor chip and the head of the temperature sensing pipe; when the head of the temperature sensing tube extends into the heating device, the outer wall of the temperature sensing tube where the temperature sensor chip is located can be attached to the heating surface of the electric heating device; thereby greatly improving the sensitivity and the precision of temperature detection, and having simple structure and easy installation and maintenance.
Drawings
Fig. 1 is a schematic structural view of the temperature measuring device for an electric heating device of the present invention.
In the figure:
1 temperature sensing pipe 2 high temperature resistant insulation sleeve 3 temperature sensor chip
4 high temperature resistant conductor 5 binding post 6 fixed mounting seat
Detailed Description
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the temperature measuring device for an electric heating device of the present invention.
Referring to fig. 1, the temperature measuring device for an electric heating device provided by the present invention comprises a temperature sensing tube 1, a temperature sensor chip 3 is disposed in the temperature sensing tube 1, the temperature sensor chip 3 is connected to a connection terminal 5 through a high temperature resistant conductive wire 4, wherein the temperature sensor chip 3 is exposed and attached to the inner wall of the temperature sensing tube 1, and a distance is left between the temperature sensor chip 3 and the head of the temperature sensing tube 1; when the head of the temperature sensing tube 1 extends into a heating device, such as an electric heating furnace or an electric ceramic furnace, the outer wall of the temperature sensing tube 1 where the temperature sensor chip 3 is located can be attached to the heating surface of the electric heating device; therefore, the sensitivity and the precision of temperature detection are greatly improved, the temperature sensor chip 3 is preferably an NTC thermistor chip, and the reaction time of temperature detection is shortened to 7-13 seconds from about the original 20 seconds.
The utility model provides a temperature measuring device for an electric heating device, a temperature sensor chip 3 is supported by a bracket and then closely attached to the inner wall of a temperature sensing tube 1, and epoxy sealant is poured into the temperature sensing tube 1; the head of the temperature sensing tube 1 is in a conical pen head shape, and the temperature sensing tube 1 is made of stainless steel. In order to be connected with the temperature controller conveniently, the tail part of the temperature sensing tube 1 is provided with a fixed mounting seat 6.
The utility model provides a temperature measuring device for electric heater unit, the interval of the head of temperature sensor chip 3 distance temperature sensing pipe 1 is 1/4-1/3 of temperature sensing pipe 1 length. The length of the temperature sensing tube 1 is 58-78mm, preferably 68mm, and the distance between the temperature sensor chip 3 and the head of the temperature sensing tube 1 is 15-25mm, preferably 20 mm.
The utility model provides a temperature measuring device for electric heater unit, high temperature resistant conductor wire 4 is the teflon line, the teflon line is provided with high temperature resistant insulation support 2 outward, high temperature resistant insulation support 2's one end stretches into in the temperature sensing pipe 1 to it is fixed continuous with the inner wall of temperature sensing pipe 1. The high-temperature resistant insulating sleeve 2 is made of
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A temperature measuring device for an electric heating device comprises a temperature sensing tube (1), wherein a temperature sensor chip (3) is arranged in the temperature sensing tube (1), and the temperature sensor chip (3) is connected with a wiring terminal (5) through a high-temperature resistant conductive wire (4), and is characterized in that the temperature sensor chip (3) is exposed and attached to the inner wall of the temperature sensing tube (1), and a distance is reserved between the temperature sensor chip (3) and the head of the temperature sensing tube (1); when the head of the temperature sensing tube (1) extends into the heating device, the outer wall of the temperature sensing tube (1) where the temperature sensor chip (3) is located can be attached to the heating surface of the electric heating device.
2. The temperature measuring device for the electric heating device according to claim 1, wherein the temperature sensor chip (3) is supported by a support and then closely attached to the inner wall of the temperature sensing tube (1), and epoxy sealant is poured into the temperature sensing tube (1).
3. The temperature measuring device for an electric heating apparatus according to claim 1, wherein the temperature sensor chip (3) is spaced apart from the head of the temperature sensing tube (1) by 1/4-1/3 of the length of the temperature sensing tube (1).
4. The temperature measuring device for an electric heating apparatus according to claim 3, wherein the length of the temperature sensing tube (1) is 58-78mm, and the distance between the temperature sensor chip (3) and the head of the temperature sensing tube (1) is 15-25 mm.
5. The temperature measuring device for an electric heating apparatus according to claim 1, wherein the head of the temperature sensing tube (1) is in the shape of a tapered nib.
6. The temperature measuring device for the electric heating device according to claim 1, wherein the high temperature resistant conductive wire (4) is a teflon wire, a high temperature resistant insulating sleeve (2) is disposed outside the teflon wire, and one end of the high temperature resistant insulating sleeve (2) extends into the temperature sensing tube (1) and is fixedly connected with the inner wall of the temperature sensing tube (1).
7. The thermometric apparatus for an electric heating apparatus according to claim 1, wherein said temperature sensor chip (3) is an NTC thermistor chip.
8. The temperature measuring device for an electric heating device according to claim 6, wherein the temperature sensing tube (1) is made of stainless steel, and the high temperature resistant insulating sleeve (2) is made of glass fiber.
9. The temperature measuring device for an electric heating apparatus according to claim 1, wherein the electric heating apparatus is an electric pan, or an electric ceramic oven.
10. The temperature measuring device for an electric heating apparatus according to claim 1, wherein a fixed mount (6) is provided at a tail portion of the temperature sensing tube (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021227061841 | 2021-11-05 | ||
| CN202122706184 | 2021-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217111193U true CN217111193U (en) | 2022-08-02 |
Family
ID=82599557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220278930.3U Active CN217111193U (en) | 2021-11-05 | 2022-02-11 | Temperature measuring device for electric heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217111193U (en) |
-
2022
- 2022-02-11 CN CN202220278930.3U patent/CN217111193U/en active Active
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