CN215178208U

CN215178208U - Temperature sensor with high temperature resistant structure

Info

Publication number: CN215178208U
Application number: CN202121550206.3U
Authority: CN
Inventors: 何兵
Original assignee: Heyuan Jiachen Technology Co ltd
Current assignee: Heyuan Jiachen Technology Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-14
Anticipated expiration: 2031-07-08

Abstract

The utility model belongs to the technical field of the sensor, especially, be a temperature sensor with high temperature resistant structure, including sensor main part and high temperature protection device, the sensor main part runs through high temperature protection device, high temperature protection device includes barrier layer, extension protective layer, heat dissipation layer and the protecting sheathing that breaks. This temperature sensor with high temperature resistant structure, concentrate the below of heat at the device, prevent that heat transfer is inside the device, and the expansion by heating of cooperation device is in order to prevent the extrusion and cause the damage of equipment and avoid the emergence of the spontaneous combustion condition, leave certain space between every detention layer in preliminary stage and make things convenient for thermal emission, the detention layer can absorb partly heat fast when the temperature reaches a take place the inflation, and make every detention layer be connected to and form complete protective layer together through tensile connection key, thereby slow down the speed that external heat got into by a wide margin and avoid taking place the condition of spontaneous combustion.

Description

Temperature sensor with high temperature resistant structure

Technical Field

The utility model relates to a sensor technical field specifically is a temperature sensor with high temperature resistant structure.

Background

The sensor is a detection device which can sense the measured information and convert the sensed information into an electric signal or other information in a required form according to a certain rule to output so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.

The temperature sensor is arranged in a high-temperature environment, the whole volume of the temperature sensor is increased due to the fact that the internal structure of the temperature sensor is heated and expanded, the components are mutually extruded to cause the device to break, then internal circuits and devices are exposed in the high-temperature environment to influence normal use of the device, and a large amount of heat is accumulated in the device and can cause equipment to generate a spontaneous combustion condition.

In order to solve the problems, innovative design based on the original temperature sensor is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a temperature sensor with high temperature resistant structure to propose current temperature sensor department under high temperature environment in solving above-mentioned background art, its inside structure can lead to its whole volume grow by the thermal expansion, make between each part extrude each other and lead to the device to break, and then make inside circuit and device expose and influence its normal use under high temperature environment, and a large amount of heats are piled up and still can arouse the problem that equipment takes place the spontaneous combustion inside the device.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a temperature sensor with high temperature resistant structure, includes sensor main part and high temperature protection device, the sensor main part runs through high temperature protection device, high temperature protection device includes the barrier layer, extends protective layer, heat dissipation layer and breaks the protecting sheathing, swing joint between the one end of extending the protective layer and the one end of barrier layer, swing joint between the one end on heat dissipation layer and the other end of extending the protective layer, the one end swing joint of breaking the protecting sheathing is in the inside on heat dissipation layer.

Preferably, the bottom of the sensor main body is provided with an induction rod, and one end of the induction rod is movably connected inside the rupture protection shell.

Preferably, the extension protective layer comprises a fixing head, an extension deformation layer and a heat insulation layer, one end of the extension deformation layer is fixedly connected to the bottom of the fixing head, and the heat insulation layer is fixedly installed on the outer wall of the extension deformation layer.

Preferably, the extension deformation layer includes the detention layer, be provided with tensile tie key between detention layer and the detention layer, fixed connection between the one end of tensile tie key and the one side of detention layer.

Preferably, the stretching connecting key comprises an elastic rod and a connector, and two ends of the elastic rod are rotatably connected inside the connector.

Preferably, both ends fixed connection of connector is in the inside of detention layer, the detention layer is located the handing-over department of extension deformation layer and insulating layer.

Compared with the prior art, the beneficial effects of the utility model are that: according to the temperature sensor with the high-temperature resistant structure, heat is concentrated below the device, the heat is prevented from being transmitted to the inside of a device, and the device is matched with thermal expansion to prevent equipment from being damaged due to extrusion and avoid spontaneous combustion;

1. the barrier layer slows down the rate of heat transfer, so that most of heat is positioned below the barrier layer, the heat is concentrated at the heat dissipation layer for timely emission by using the combination of the heat dissipation layer and the extension protective layer, and the rupture protective shell is provided with a rupture notch for matching with the hand thermal expansion of the device, so that the device is prevented from being damaged due to extrusion to the induction rod;

2. the detention layer covers in the inside that extends the deformation layer, leaves certain space between every detention layer of preliminary stage and makes things convenient for thermal emission, and the detention layer can absorb partly heat fast when the temperature reaches a take place the inflation to make self take place to make every detention layer be connected to together through tensile connection key and form complete protective layer, thereby slow down the speed that external heat got into by a wide margin and avoid taking place the condition of spontaneous combustion.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the high temperature protection device of the present invention;

FIG. 3 is a schematic view of the structure of the extended passivation layer of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a sensor body; 11. an induction rod; 2. a high temperature protection device;

21. a barrier layer; 22. extending the protective layer; 221. a fixed head; 222. an extensional deformation layer; 223. a thermal insulation layer; 224. a retention layer; 225. stretching the connecting bond; 226. a connector; 227. an elastic rod; 23. a heat dissipation layer; 24. the protective shell is ruptured.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a temperature sensor with a high-temperature resistant structure comprises a sensor body 1, a high-temperature protection device 2, a sensing rod 11, a barrier layer 21, an extension protection layer 22, a fixing head 221, an extension deformation layer 222, a heat insulation layer 223 detention layer 224, a stretching connection key 225, a connector 226, an elastic rod 227, a heat dissipation layer 23 and a fracture protection shell 24, wherein the high-temperature protection device 2 comprises the barrier layer 21, the extension protection layer 22, the heat dissipation layer 23 and the fracture protection shell 24, one end of the extension protection layer 22 is movably connected with one end of the barrier layer 21, one end of the heat dissipation layer 23 is movably connected with the other end of the extension protection layer 22, one end of the fracture protection shell 24 is movably connected inside the heat dissipation layer 23, the barrier layer 21 slows down the rate of heat transfer, most of heat is located below the barrier layer 21, the heat is concentrated below the device, and the heat can be prevented from being transferred to the inside of a device, and is matched with the thermal expansion of the device to prevent the equipment from being damaged due to extrusion.

Further, the bottom of the sensor body 1 is provided with an induction rod 11, and one end of the induction rod 11 is movably connected inside the rupture protection shell 24; the fracture protection shell 24 is provided with a fracture notch for matching with the thermal expansion of the device, so that the damage of the equipment caused by extruding the induction rod 11 is avoided.

Further, the extension protection layer 22 comprises a fixing head 221, an extension deformation layer 222 and a heat insulation layer 223, one end of the extension deformation layer 222 is fixedly connected to the bottom of the fixing head 221, and the heat insulation layer 223 is fixedly installed on the outer wall of the extension deformation layer 222; the stretch-deformable layer 222 is connected with the heat dissipation layer 23 through the fixing head 221, and the heat insulation layer 223 can primarily insulate a part of heat, and after the heat enters the stretch-deformable layer 222, the heat is discharged from the heat dissipation layer 23 if the heat is not much, and the stretch-deformable layer 222 is activated if the heat is too much.

Further, the stretch-deformable layer 222 comprises a retention layer 224, a tensile bond 225 is arranged between the retention layer 224 and the retention layer 224, and one end of the tensile bond 225 is fixedly connected with one side of the retention layer 224; each of the stagnant layers 224 is connected by a tensile connecting bond 225 to be an integral body, and a certain gap is left between each of the stagnant layers 224 at the preliminary stage to facilitate heat discharge.

Further, the stretching connecting key 225 comprises an elastic rod 227 and a connecting head 226, and both ends of the elastic rod 227 are rotatably connected inside the connecting head 226; when the retention layer 224 expands in cooperation with sufficient heat absorption, the elastic bar 227 rotates with the intersection of the connection joint 226 and the retention layer 224 as a fulcrum, so that the retention layers 224 are connected to each other to form a complete protective layer.

Further, the both ends fixed connection of connector 226 is in the inside of detaining layer 224, and detains layer 224 and is located the handing-over department that extends deformation layer 222 and insulating layer 223, after detaining layer 224 and connecting to form complete protective layer together, can separate inner space and external environment, makes its original space filled completely to slow down the speed that external heat got into by a wide margin.

The working principle is as follows: when the temperature sensor with the high-temperature resistant structure is used, the barrier layer 21 slows down the rate of heat transfer, most of heat is located below the barrier layer 21, the extensional deformation layer 222 is connected with the heat dissipation layer 23 through the fixing head 221, the heat insulation layer 223 can primarily isolate a part of heat, after the heat enters the extensional deformation layer 222, if the heat is not much, the heat can be discharged from the heat dissipation layer 23, if the heat is too much, the extensional deformation layer 222 can be activated, each retention layer 224 is connected through the stretching connecting key 225, a certain gap is left between each retention layer 224 in the primary stage to facilitate the heat discharge, when the retention layers 224 absorb enough heat to expand, the elastic rod 227 can rotate by taking the intersection point of the connecting head 226 and the retention layer 224 as a fulcrum, so that the retention layers 224 are connected with each other to form a complete protective layer, after detaining layer 224 and being connected to together and form complete protective layer, can separate inner space and external environment, make its space originally filled and finish to slow down the speed that external heat got into by a wide margin, break protecting sheathing 24 and offer the thermal expansion that the breach is used for the cooperation device, avoid extrudeing induction rod 11 and cause the damage of equipment.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A temperature sensor with high temperature resistant structure, includes sensor main part (1) and high temperature protection device (2), high temperature protection device (2) is run through in sensor main part (1), its characterized in that: high temperature protection device (2) include barrier layer (21), extend protective layer (22), heat dissipation layer (23) and rupture protecting sheathing (24), swing joint between the one end of extending protective layer (22) and the one end of barrier layer (21), swing joint between the one end of heat dissipation layer (23) and the other end of extending protective layer (22), the one end swing joint of rupture protecting sheathing (24) is in the inside on heat dissipation layer (23).

2. A temperature sensor having a high temperature resistant structure according to claim 1, wherein: the bottom of the sensor main body (1) is provided with an induction rod (11), and one end of the induction rod (11) is movably connected inside the rupture protection shell (24).

3. A temperature sensor having a high temperature resistant structure according to claim 1, wherein: the extension protection layer (22) comprises a fixing head (221), an extension deformation layer (222) and a heat insulation layer (223), one end of the extension deformation layer (222) is fixedly connected to the bottom of the fixing head (221), and the heat insulation layer (223) is fixedly installed on the outer wall of the extension deformation layer (222).

4. A temperature sensor having a high temperature resistant structure according to claim 3, wherein: the extension deformation layer (222) comprises a detention layer (224), a stretching connecting key (225) is arranged between the detention layer (224) and the detention layer (224), and one end of the stretching connecting key (225) is fixedly connected with one side of the detention layer (224).

5. The temperature sensor having a high temperature resistant structure according to claim 4, wherein: the stretching connecting key (225) comprises an elastic rod (227) and a connecting head (226), and two ends of the elastic rod (227) are rotatably connected inside the connecting head (226).

6. The temperature sensor having a high temperature resistant structure according to claim 5, wherein: the two ends of the connecting head (226) are fixedly connected in the retention layer (224), and the retention layer (224) is positioned at the joint of the extension deformation layer (222) and the heat insulation layer (223).