Thermal radiation temperature sensor

Abstract

Disclosed is a thermal radiation-proof temperature sensor. The temperature sensor comprises: a temperature measuring unit having a temperature measuring surface in contact with a measured object; a support tube, the temperature measuring unit being mounted on one end of the support tube; a thermal radiation-proof outer cover mounted on the support tube around the temperature measuring unit, blocking surrounding heat radiation and heat conduction while exposing the temperature measuring surface of the temperature measuring unit; and a mounting slide assembly mounted on the other end of the support tube, comprising an elastic element and a fixed member. The first end of the elastic element abuts a predetermined position on the support tube, and the second end of the elastic element abuts the fixed member, so that when a force is applied to the temperature measuring surface, the support tube slides relative to the fixed member. The mounting slide assembly is spaced at least 3 mm from the connection between the thermal radiation-proof outer cover and the support tube.

Description

Technical Field

[0001] Embodiments of the present disclosure relate to temperature sensors, high-temperature temperature control and testing, and particularly to applications where high-temperature radiation-proof temperature sensors are required and where there is wind. Background Art

[0002] Current gas stove anti-dry-boil temperature sensors on the market suffer from heat dissipation and top-heavy design issues. The main components are concentrated in the sensor's head, making them top-heavy and prone to damage during use. These issues lead to inconvenience and inaccurate temperature measurements. Summary of the Invention

[0003] In order to solve the problems existing in the prior art, the present disclosure proposes a thermal radiation protection temperature sensor.

[0004] In one aspect of the present disclosure, a heat radiation protection temperature sensor is disclosed, comprising: a temperature measuring unit having a temperature measuring surface in contact with an object to be measured; a support tube, the temperature measuring unit being mounted on one end of the support tube; a heat radiation protection outer cover mounted on the support tube around the temperature measuring unit, blocking heat radiation and heat conduction from all sides, and exposing the temperature measuring surface of the temperature measuring unit; an installation sliding assembly mounted on the other end of the support tube, comprising an elastic element and a fixed component, the first end of the elastic element abutting a predetermined position on the support tube, the second end of the elastic element abutting the fixed component, so that when the temperature measuring surface is subjected to force, the support tube slides relative to the fixed component, and the installation sliding assembly is spaced at a distance of at least 3 mm from the connection between the heat radiation protection outer cover and the support tube.

[0005] According to an embodiment of the present disclosure, the support tube is specifically a high-temperature resistant hollow metal support tube. A metal cap is put on one end of the hollow metal support tube and a thermistor is placed inside to form the temperature measuring unit. A spring serving as the elastic element and the fixed component are put on the outside of the hollow metal support tube to form the mounting sliding assembly.

[0006] According to an embodiment of the present disclosure, the temperature measuring unit has a metal cap that can contact the object to be measured, and a thermistor arranged in the metal cap and the support tube; the metal cap and the support tube are snapped together, a metal tube is welded inside the metal cap, and the thermistor is closely attached to the inner wall of the metal tube or directly closely attached to the inner wall of the metal cap to sense the temperature change of the metal cap, and the thermistor is connected to the external circuit through a high-temperature wire connecting the pins.

[0007] According to an embodiment of the present disclosure, the thermal radiation protection outer cover includes a first layer of outer cover, whose height is flush with or slightly lower than the metal cap of the temperature measuring unit, the connection point between the thermal radiation protection outer cover and the support tube is close to the position away from the metal cap and has multiple gaps, wherein the thermal radiation protection outer cover is fixed to the outer wall of the support tube.

[0008] According to an embodiment of the present disclosure, the heat radiation protection outer cover also includes a second outer cover connected to the first outer cover and arranged on the outside of the first outer cover, wherein a plurality of apertures are provided near the connection between the first outer cover and the second outer cover, and the height between the first outer cover and the second outer cover is flush with or slightly lower than the metal cap of the temperature measuring unit.

[0009] According to an embodiment of the present disclosure, the elastic element is specifically a spring, and the fixing component includes a fixing tube, a first retaining spring and a second retaining spring. The fixing tube is sleeved on the outside of the supporting tube, and its lower part is closed. The second end of the spring is against the closed part of the fixing tube, and the second retaining spring is arranged on the outside of the closed part. The first end of the spring is clamped on the supporting tube by the first retaining spring to limit the upper and lower distances of the spring.

[0010] According to an embodiment of the present disclosure, the second retaining spring is replaced by a control cap, and the control cap is placed on top of the first retaining spring and is buckled with the fixing tube.

[0011] According to an embodiment of the present disclosure, the mounting sliding assembly can be positioned at different distances on the support tube, so that the distance between the temperature measuring unit with the heat radiation protection cover and the mounting sliding assembly can be changed, thereby further reducing the impact of high temperature on the temperature resistance of the mounting sliding assembly, especially the spring.

[0012] According to an embodiment of the present disclosure, the inner diameter of the control cap and the inner diameter of the closing end of the fixing tube are as close as possible to the outer diameter of the supporting tube.

[0013] According to an embodiment of the present disclosure, it also includes a silicone tube and a touch switch arranged at the tail end of the support tube, wherein the switch in the touch switch is triggered when the temperature measuring surface is subjected to force to determine whether the object to be measured appears.

[0014] According to an embodiment of the present disclosure, the wall thickness of the fixed tube is greater than 0.8 mm.

[0015] According to an embodiment of the present disclosure, the thermal radiation protection temperature sensor is installed in an environment where wind flows.

[0016] By utilizing the above-mentioned solution of the present application, the influence of ambient heat radiation on the temperature sensor can be reduced, and the temperature measurement is more accurate. Moreover, since the temperature measuring unit and the mounting sliding assembly are respectively installed at the two ends of the support tube, it is easy to use, which solves the top-heavy problem in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to better understand the present disclosure, the present disclosure will be described in detail according to the following drawings:

[0018] Figure 1A This is a schematic diagram of an explosion of a thermal radiation protection temperature sensor according to an embodiment of the present disclosure;

[0019] Figure 1B According to one embodiment of the present disclosure Figure 1A A top view of the thermal radiation protection temperature sensor shown;

[0020] Figure 1C According to one embodiment of the present disclosure Figure 1B A cross-sectional view of the thermal radiation protection temperature sensor obtained along line A-A';

[0021] Figure 2A Schematic diagram of an explosion of a thermal radiation protection temperature sensor according to another embodiment of the present disclosure;

[0022] Figure 2B According to another embodiment of the present disclosure Figure 2A A top view of the thermal radiation protection temperature sensor shown;

[0023] Figure 2C According to another embodiment of the present disclosure Figure 2B A cross-sectional view of the thermal radiation protection temperature sensor obtained by taking line B-B';

[0024] Figure 2D According to another embodiment of the present disclosure Figure 2B Cross-sectional view of the heat radiation protection temperature sensor under load, taken along line BB'. DETAILED DESCRIPTION

[0025] Specific embodiments of the present disclosure will be described in detail below. It should be noted that the embodiments described herein are intended to be illustrative only and are not intended to limit the present disclosure. In the following description, a large number of specific details are set forth to provide a thorough understanding of the present disclosure. However, it will be apparent to those skilled in the art that these specific details are not necessarily required to practice the present disclosure. In other examples, known structures, materials, or methods are not specifically described to avoid obscuring the present disclosure.

[0026] Throughout this specification, references to "one embodiment," "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment of the present disclosure. Thus, appearances of the phrases "in one embodiment," "in an embodiment," "an example," or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combinations and / or subcombinations in one or more embodiments or examples. Furthermore, one of ordinary skill in the art will understand that the term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0027] Although the present disclosure is illustrated and described below through one or more embodiments, those skilled in the art will recognize or recognize equivalent changes and modifications after reading and understanding this specification and the accompanying drawings. In addition, specific features in several embodiments of the present disclosure may be combined with one or more other disclosed features based on needs or effects, and such combinations still fall within the scope of the present disclosure.

[0028] To address the heat dissipation and top-heavy issues present in the prior art, embodiments of the present disclosure provide a thermal radiation-proof temperature sensor. The sensor comprises a temperature measuring unit, a heat radiation-emitting cover, and a mounting slide assembly connected by a support tube. The temperature measuring unit, having a temperature measuring surface that contacts the object being measured, is mounted on one end of the support tube. The thermal radiation-proof cover is mounted on the support tube around the temperature measuring unit, blocking surrounding heat radiation and heat conduction while exposing the temperature measuring surface of the temperature measuring unit. The mounting slide assembly is mounted on the other end of the support tube and comprises an elastic element and a fixed member. The first end of the elastic element abuts a predetermined position on the support tube, and the second end of the elastic element abuts the fixed member, allowing the support tube to slide relative to the fixed member when force is applied to the temperature measuring surface. The mounting slide assembly is spaced at least 3 mm from the connection between the thermal radiation-proof cover and the support tube. Utilizing the solution of the above embodiment, the impact of ambient heat radiation on the temperature sensor can be reduced, resulting in more accurate temperature measurement. Furthermore, since the temperature measuring unit and the mounting slide assembly are mounted on opposite ends of the support tube, the sensor is easy to use, thus resolving the top-heavy issue present in the prior art.

[0029] Figure 1A This is a schematic diagram of an explosion of a thermal radiation protection temperature sensor according to an embodiment of the present disclosure. Figure 1B According to one embodiment of the present disclosure Figure 1A A top view of the thermal radiation protection temperature sensor is shown. Figure 1C According to one embodiment of the present disclosure Figure 1B A-A' is a cross-sectional view of the thermal radiation protection temperature sensor.

[0030] like Figure 1A、 Figure 1B and Figure 1C As shown, the heat radiation protection temperature sensor according to an embodiment of the present disclosure includes a temperature measuring unit, a support tube 120, a mounting sliding assembly, and a heat radiation protection outer cover 18. The temperature measuring unit, for example, includes a metal cap 13 having a temperature measuring surface 11 in contact with the object to be measured, a metal cap buckle 12, a metal tube 14 in the metal cap 13, a thermistor 15, a thermistor lead 16, and a flat surface 17 of the hollow support tube 120 in close contact with the metal cap 13. The mounting sliding assembly includes an elastic element and a fixing member, the elastic element being, for example, a spring 112, the fixing member including a fixing tube 114, a groove 113 on the fixing tube 114, a retaining spring 115 with a groove, a bottom retaining spring 116, and the hollow support tube 120 is represented by two retaining grooves at the front and back, denoted as 110 and 111, respectively.

[0031] Figure 1A As shown, the thermistor 15 is placed in the metal tube 14, close to the back of the temperature measuring surface 11 of the metal cap 13, and fixed by high-temperature resistant glue. The end face 17 of the hollow support tube 120 is snapped into the metal cap 13, and the metal cap 13 is fixed by the snap structure. The lead 16 of the thermistor is led out from the hollow support tube 120 to connect to the external circuit.

[0032] The heat shield 18 comprises a layer of outer cover that is flush with or slightly lower than the metal cap 13. The connection point between the heat shield 18 and the support tube 120 is located distally from the metal cap and has multiple apertures. The heat shield 18 is secured to the outer wall of the support tube. For example, the heat shield 18 may be slightly lower than or flush with the temperature measuring surface 11 of the metal cap 13. The connection point between the heat shield 18 and the support tube 120 may be distally from the temperature measuring surface 11 and has multiple apertures. The heat shield 18 is secured to the outer wall of the support tube 120. The spring 112 is fixed between the retaining spring 115 with the notch 118 and the closed fixed tube 114. The bottom of the fixed tube 114 is fixed in the slot 111 of the hollow support tube 120 by the bottom retaining spring 116 to ensure that the fixed tube 114 does not slip. The fixed tube 114 has a groove 113, and the notch 118 of the retaining spring 115 corresponds to the groove 113, so that the hollow support tube 120 cannot rotate during the up and down movement.

[0033] After the heat radiation protection temperature sensor is installed on the gas stove through the fixed tube 114, there is no object to be measured on the temperature measuring surface 11 of the sensor, and the flowing wind flows in and out through the pores 117. After the temperature measuring surface 11 is pressed onto the object to be measured, the hollow support tube 120 extends downward. Since there is at least a 3mm distance between the retaining spring 115 and the lower edge of the heat radiation protection outer cover 18 (or between the upper edge of the fixed tube 114 and the connection between the support tube), the wind can still pass through the pores 117 to cool down the heat radiation and heat conduction environment caused by the surrounding heating, thereby ensuring the accuracy of the temperature measured by the temperature measuring surface 11 and leading out the signal through the thermistor pin 16. Similarly, due to the flow of wind, the installation sliding component of the embodiment of the present disclosure is away from the temperature measuring surface 11 in the temperature measuring unit, and the working temperature it withstands is also greatly reduced, thereby reducing the temperature resistance requirements for the spring.

[0034] According to another embodiment, the installation sliding assembly can be positioned at different distances on the support tube 120, so that the distance between the temperature measuring unit in the heat radiation protection cover 18 and the installation sliding assembly can be changed, thereby further reducing the impact of high temperature on the temperature resistance of the installation sliding assembly, especially the spring 112.

[0035] In the schematic diagram, the diameter of the fixed tube 114 is significantly smaller than the outer diameter of the metal cover 18, so the wind flow is not affected. In this structure, the hollow support tube 120 is made of metal, and its flat surface 17 is fixed to the metal cap 13 by a clip, and its lower portion has multiple slot structures. The installation slide assembly is installed in different slots of the support tube 120, which can ensure that the distance between the installation slide assembly and the thermal radiation protection cover and temperature measurement unit is far greater than 3mm. This solves the problem of the existing technology where all the main components are concentrated in the sensor head, which is top-heavy, and highlights the thermal radiation protection effect.

[0036] In the above and following embodiments, the wall thickness of the fixed tube is greater than 0.8 mm. Those skilled in the art may also select other thicknesses according to the application.

[0037] Figure 1B As shown, there are several small holes between the outer heat shield 18 and the hollow support tube 120. These holes allow airflow to remove heat from the inner and outer walls of the outer heat shield 18. Here, the connection between the outer heat shield 18 and the hollow support tube 120 is as far away from the temperature measurement surface as possible. At the same time, the outer wall of the outer heat shield 18 blocks the impact of heat radiation from heat sources other than the temperature measurement point on the temperature measurement surface.

[0038] Figure 1CThis is a cross-sectional view of an embodiment of the present disclosure. In this figure, a retaining spring 115 is inserted into a retaining groove 110 in a hollow support tube 120, while a retaining spring 116 is inserted into a retaining groove 111. Since the bottom of a fixed tube 114 is tapered inward, retaining spring 116 engages with fixed tube 114, securing it. The retaining spring 115 has a notch 118, while the fixed tube 114 has a groove structure 113. This structure allows the hollow support tube 120 to have a directional orientation during its up and down movement.

[0039] Figure 2A Schematic diagram of an explosion of a thermal radiation protection temperature sensor according to another embodiment of the present disclosure. Figure 2B According to another embodiment of the present disclosure Figure 2A A top view of the thermal radiation protection temperature sensor is shown. Figure 2C According to another embodiment of the present disclosure Figure 2B Cross-sectional view of the thermal radiation protection temperature sensor obtained by taking line BB'. Figure 2D According to another embodiment of the present disclosure Figure 2B Cross-sectional view of the heat radiation protection temperature sensor under load, taken along line BB'.

[0040] Figure 2A 、 Figure 2B 、 Figure 2C and Figure 2D The second embodiment shown relates to another structure, as shown in the figure, with a two-layer outer cover 28 for heat radiation protection. The temperature measuring unit includes the temperature measuring surface 21 of the metal cap 23, the thermistor 25, the thermistor lead 26, and a hollow support tube 220 with the plane closely attached to the metal cap 23 indicated at 27. The sliding assembly is installed, including an elastic element and a fixing member, such as a spring 212. The fixing member includes a fixing tube 214 with a closing structure, a control cap 225, 219 and 226, which are fixing clips for the fixing tube, screws 221 on the fixing clips 219 and 226, a touch switch 222, and slots 210 and 211 at the tail end of the hollow support tube 220, respectively.

[0041] like Figure 2A As shown, the thermistor 25 is attached to the temperature measuring surface 21 of the metal cap 23 and fixed with high temperature glue. The metal cap 23 is tightly fitted with the flat surface 27 of the hollow support tube 220, and its thermistor lead 26 is led out through the hollow support tube 220.

[0042] The heat radiation shield 28 has two layers of outer covering. The first layer is flush with or slightly lower than the metal cap of the temperature measuring unit. The connection point between the heat radiation shield and the support tube is close to the metal cap and has multiple apertures. The heat radiation shield is fixed to the outer wall of the support tube. The second layer of the heat radiation shield 28 is connected to the first layer and is located outside the first layer. There are multiple apertures near the connection between the first and second layers. The height between the first and second layers is flush with or slightly lower than the metal cap of the temperature measuring unit. In this way, the heat radiation shield 28 has a two-layer heat radiation protection effect. It is fixed to the outer wall of the hollow support tube 220. The connection point between the heat radiation shield and the outer wall of the hollow support tube 220 is as far away from the temperature measuring surface 21 as possible. The height of the heat radiation shield 28 is lower than or parallel to the temperature measuring plane 21.

[0043] Spring 212 is inserted into fixed tube 214 and passes through hollow support tube 220. One end is restrained by end 224 of fixed tube 214, and the other end is restrained by retaining spring 215. Retaining spring 215 is engaged with retaining groove 210 of hollow support tube 220 and placed within control cap 225. The retaining buckle 22 of control cap 225 in hollow support tube 220 is secured by retaining groove 218 of fixed tube 214.

[0044] The fixing clips 219 and 226 are mounted on the bottom of the gas stove by screws 221 , and the touch switch 222 is fixed on the fixing clip 226 and is perpendicular to the hollow support tube 220 .

[0045] like Figure 2B As shown, the heat radiation protection cover 28 has pores 217 and 223 respectively. When the sensor is working, due to the flow of wind, when passing through the pores 217 and 223 respectively, the flowing wind lowers the temperature of the pores 217 and 223 areas respectively, forming double heat radiation protection.

[0046] like Figure 2C As shown, the sensor of this embodiment is in a stationary state after installation. Figure 2D It is a structure formed after the weight of the object to be measured is pressed, wherein the control cap 225 and the pore 223 are kept at least 3mm apart. After the entire sensor is fixed to the gas stove by fixing clips 219 and 226, the weight of the object to be measured causes the hollow support tube 220 to expand and contract up and down. The tail of the hollow support tube 220 is covered with a silicone sleeve, which is mainly used to isolate the heat transmitted from the hollow support tube 220, thereby triggering the operation of the touch switch 222. Through the operation of the touch switch 222, it is known whether the object to be measured is pressing on this sensor, thereby realizing the pot detection function. Here, the flow of wind prevents the temperature around the touch switch 222 from being too high, preventing the touch switch 222 from being damaged during the high temperature process of the heat radiation temperature sensor test, thereby reducing the performance requirements of the touch switch 222.

[0047] like Figure 2D The figure shows the actual working state of the sensor of this embodiment, in which an object to be measured is pressed against the temperature measuring surface 21, and the spring 212 moves downward under the influence of gravity. Since the fixed tube 214 is fixed to the lower part of the gas stove by fixing clamps 219, 226 and screws 221, in order to ensure the heat radiation protection effect, the distance between the control cap 225 and the inner hole 223 of the heat radiation protection cover must be greater than 3mm. The installation sliding assembly is installed in different slots 210 and 211 of the support tube 220, which can make the distance between the installation sliding assembly and the heat radiation protection cover 28 and the temperature measuring unit far exceed 3mm. From the actual effect, the longer the actual distance exceeds 3mm, the lower the temperature resistance requirement of the installation sliding assembly for the spring 212 and the touch switch 222 due to the flow of wind, and the heat radiation protection effect is also the best.

[0048] The above embodiment solves the problem in the prior art that the sensor components are concentrated on the head, resulting in a top-heavy state, and highlights the heat radiation protection effect.

[0049] from Figures 2C to 2D The changes in movement indicate that the inner diameter of the control cap 225 and the gap between the inner diameter of the lower end of the fixed tube 23 and the outer diameter of the hollow support tube 220 determine the range of the sensor's shaking. The smaller the inner diameters of the control cap 225 and the lower end of the fixed tube 23, the smaller the range of movement of the hollow support tube 220. For example, the inner diameters of the control cap and the fixed tube's end should be as close as possible to the outer diameter of the support tube.

[0050] In summary, addressing the issues of the prior art, the temperature sensor of the disclosed embodiment can achieve at least one of the following technical benefits: First, the sensor components of the prior art are concentrated at the sensor head, making the gas stove anti-dry-burn temperature sensor top-heavy and easily damaged during actual use. To address this issue, the present patent separates the temperature measuring and sliding components of the product, removing the concentration of components at the head. The head retains only the heat radiation shield and the temperature measuring component. Second, the sliding component is located at the other end of the support tube, eliminating the need for the spring to meet stringent high-temperature requirements, thereby ensuring spring reliability. Third, the heat radiation shield in the disclosed embodiment is divided into one or two layers and is in no way connected to the temperature-measuring metal cap. When wind flows upward from the bottom of the gas stove, the wind flow cools the inner wall of the heat radiation shield and the outer wall of the support frame, while also cooling the mounted sliding assembly. Fourth, the fixed tube in the disclosed embodiment is independent, and its thickness has no impact on the overall product, allowing the selection of a sturdy and reliable material. Fifth, the disclosed embodiment utilizes a hollow support tube to separately support the heat-shielding outer cover, the temperature-measuring portion, and the sliding assembly that performs both fixing and retracting functions. Therefore, using the hollow support tube to trigger the touch switch is simple and reliable, and also serves the same pot detection function. Controlling the inner diameter of the fixed tube's closing end and the inner diameter of the control cap within the fixed component prevents the temperature sensor of the disclosed embodiment from shaking during operation, thereby achieving safe use and accurate temperature measurement.

[0051] While the present disclosure has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary rather than restrictive. Since the present disclosure can be embodied in many forms without departing from the spirit or substance of the disclosure, it should be understood that the above-described embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope of the appended claims. Therefore, all changes and modifications that fall within the scope of the claims or their equivalents are intended to be covered by the appended claims.

Claims

1. A thermal radiation protection temperature sensor, characterized in that: include; a temperature measuring unit having a temperature measuring surface in contact with the object to be measured; A support tube, wherein the temperature measuring unit is mounted on one end of the support tube; a heat radiation protection cover, which surrounds the temperature measuring unit and is mounted on the support tube to block heat radiation and heat conduction from all sides, while exposing the temperature measuring surface of the temperature measuring unit; An installation sliding assembly is installed at the other end of the support tube, comprising an elastic element and a fixing member, wherein the first end of the elastic element abuts against a predetermined position on the support tube, and the second end of the elastic element abuts against the fixing member, so that when the temperature measuring surface is subjected to force, the support tube slides relative to the fixing member, and the installation sliding assembly is spaced at a distance of at least 3 mm from the connection between the heat radiation shield and the support tube; In which, the elastic element is specifically a spring, and the fixing component includes a fixing tube, a first retaining spring and a second retaining spring. The fixing tube is sleeved on the outside of the supporting tube, and its lower part is closed. The second end of the spring is against the closed part of the fixing tube, and the second retaining spring is arranged on the outside of the closed part. The first end of the spring is clamped on the supporting tube with the first retaining spring to limit the upper and lower distances of the spring.

2. The thermal radiation protection temperature sensor according to claim 1, wherein: The support tube is specifically a high-temperature resistant hollow metal support tube. A metal cap is put on one end of the hollow metal support tube and a thermistor is placed inside to form the temperature measuring unit. A spring serving as the elastic element and the fixing component are put on the outside of the hollow metal support tube to form the mounting sliding assembly.

3. The thermal radiation protection temperature sensor according to claim 1, wherein: The temperature measuring unit includes a metal cap that can contact the object to be measured, and a thermistor arranged in the metal cap and the support tube; the metal cap and the support tube are snapped together, a metal tube is welded inside the metal cap, and the thermistor is closely attached to the inner wall of the metal tube or directly closely attached to the inner wall of the metal cap to sense the temperature change of the metal cap. The thermistor is connected to an external circuit through a high-temperature wire connected to a pin.

4. The thermal radiation protection temperature sensor according to claim 2 or 3, wherein: The thermal radiation protection outer cover includes a first layer of outer cover, the height of which is flush with or slightly lower than the metal cap of the temperature measuring unit. The connection point between the thermal radiation protection outer cover and the support tube is close to the position away from the metal cap and has multiple holes, wherein the thermal radiation protection outer cover is fixed to the outer wall of the support tube.

5. The thermal radiation protection temperature sensor according to claim 4, wherein: The heat radiation protection cover also includes a second cover connected to the first cover and arranged on the outside of the first cover, wherein a plurality of apertures are provided near the connection between the first cover and the second cover, and the height between the first cover and the second cover is flush with or slightly lower than the metal cap of the temperature measuring unit.

6. The thermal radiation protection temperature sensor according to claim 1, wherein: The second clamping spring is replaced by a control cap, which is placed on top of the first clamping spring and is locked with the fixing tube.

7. The thermal radiation protection temperature sensor according to claim 1, wherein: The mounting sliding assembly can be positioned at different distances on the support tube, so that the distance between the temperature measuring unit with the heat radiation protection cover and the mounting sliding assembly can be changed, thereby further reducing the impact of high temperature on the temperature resistance of the spring.

8. The thermal radiation protection temperature sensor according to claim 6, wherein: The inner diameter of the control cap and the inner diameter of the closing end of the fixing tube are as close as possible to the outer diameter of the supporting tube.

9. The thermal radiation protection temperature sensor according to claim 1, wherein: It also includes a silicone tube and a touch switch arranged at the tail end of the support tube, wherein the switch in the touch switch is triggered when the temperature measuring surface is subjected to force to determine whether a measured object appears.

10. The thermal radiation protection temperature sensor according to claim 1, wherein: The wall thickness of the fixed tube is greater than 0.8 mm.

11. The thermal radiation protection temperature sensor according to claim 1, wherein: The heat radiation protection temperature sensor is installed in an environment where wind flows.

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