CN216012510U - Temperature sensor with high-temperature-resistant protection function - Google Patents
Temperature sensor with high-temperature-resistant protection function Download PDFInfo
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- CN216012510U CN216012510U CN202121994711.7U CN202121994711U CN216012510U CN 216012510 U CN216012510 U CN 216012510U CN 202121994711 U CN202121994711 U CN 202121994711U CN 216012510 U CN216012510 U CN 216012510U
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Abstract
The utility model discloses a temperature sensor with a high-temperature-resistant protection function, which comprises a fixed disc, a high-temperature-resistant protection unit and a sealing unit, wherein the fixed disc is fixed on the fixed disc; fixing the disc: a high-temperature-resistant silicone cylinder is arranged in the middle of the lower surface of the fixing disc, a mounting seat is arranged on the lower end surface of the high-temperature-resistant silicone cylinder, a thermistor is arranged on the lower surface of the mounting seat, a transmission wire is arranged in an opening formed in the middle of the fixing disc, and the input end of the transmission wire is electrically connected with the output end of the thermistor; high temperature resistant protection unit: the connecting device comprises an annular plate, an annular sleeve and a connecting shell, wherein the annular plate is arranged on the lower end face of a fixed disc, the inner arc surface of the annular plate is connected with the annular sleeve through a thread groove in a threaded manner, and the lower end face of the annular sleeve is provided with the connecting shell; a sealing unit: threaded connection is in the extrados of annular plate, and this high temperature resistant protect function's temperature sensor has effectually avoided high temperature to get into the sensor from the junction inside, has prolonged temperature sensor's life.
Description
Technical Field
The utility model relates to the technical field of temperature sensors, in particular to a temperature sensor with a high-temperature resistant protection function.
Background
The temperature sensor is a sensor which can sense temperature and convert the temperature into a usable output signal, is a core part of a temperature measuring instrument, has various varieties, can be divided into two types of contact and non-contact according to a measuring mode, and is divided into two types of thermal resistance and thermocouple according to the characteristics of sensor materials and electronic elements;
when a temperature sensor in the market works, in order to ensure that a detection element inside the temperature sensor works normally, the internal element of the temperature sensor needs to be protected so as to prevent the internal element of the temperature sensor from being damaged in a high-temperature environment;
the existing temperature sensor is poor in heat conductivity and insulativity, poor in response time and sealing performance, heavy in weight, not high-temperature resistant and not outstanding in thermal stability, high temperature can enter the sensor from a joint to influence the service life of the temperature sensor, and therefore the temperature sensor with the high-temperature resistant protection function is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, provides the temperature sensor with the high-temperature-resistant protection function, prolongs the service life of the temperature sensor, and can effectively solve the problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a temperature sensor with a high temperature resistant protection function comprises a fixed disc, a high temperature resistant protection unit and a sealing unit;
fixing the disc: a high-temperature-resistant silicone cylinder is arranged in the middle of the lower surface of the fixing disc, a mounting seat is arranged on the lower end surface of the high-temperature-resistant silicone cylinder, a thermistor is arranged on the lower surface of the mounting seat, a transmission wire is arranged in an opening formed in the middle of the fixing disc, and the input end of the transmission wire is electrically connected with the output end of the thermistor;
high temperature resistant protection unit: the connecting device comprises an annular plate, an annular sleeve and a connecting shell, wherein the annular plate is arranged on the lower end face of a fixed disc, the inner arc surface of the annular plate is connected with the annular sleeve through a thread groove in a threaded manner, and the lower end face of the annular sleeve is provided with the connecting shell;
a sealing unit: threaded connection has good heat conductivity and splendid insulating properties in the extrados of annular slab, improve the response time and the leakproofness of sensor, high temperature resistant ceramic shell then has light in weight, high temperature resistant, the good characteristic of thermal stability, the three combined use has improved temperature sensor high temperature resistance greatly, inside the effectual high temperature of having avoided gets into the sensor from the junction, temperature sensor's life has been prolonged, it is also more convenient when staff's inspection maintenance.
Further, high temperature resistant protection unit still includes high thermal conductivity encapsulating glue layer and high temperature resistant ceramic shell, high thermal conductivity encapsulating glue layer sets up in the extrados of connecting the shell, and the extrados of high thermal conductivity encapsulating glue layer is equipped with high temperature resistant ceramic shell, has improved temperature sensor high temperature resistance greatly.
Further, sealed unit includes screw thread fixed slot and high temperature resistant stainless steel layer, the screw thread fixed slot sets up respectively in the outer cambered surface lower extreme of annular slab and the outer cambered surface upper end of high temperature resistant ceramic shell, and the screw thread fixed slot all with the intrados thread tooth threaded connection on high temperature resistant stainless steel layer, inside the effectual high temperature of having avoided getting into the sensor from the junction.
Furthermore, the sealing unit further comprises an aluminum silicate ceramic fiber layer and a quartz glass shell, the aluminum silicate ceramic fiber layer is arranged on the outer arc surface of the high-temperature-resistant stainless steel layer, and the quartz glass shell is arranged on the outer arc surface of the aluminum silicate ceramic fiber layer, so that the service life of the temperature sensor is prolonged.
Furthermore, a high-temperature-resistant rubber gasket is arranged between the lower end face of the annular plate and the upper end face of the connecting shell, the high-thermal-conductivity potting adhesive layer and the high-temperature-resistant ceramic shell which form a whole, so that the sealing effect of the connecting part is better.
Furthermore, the gaps formed among the fixed disc, the high-temperature-resistant silicone cylinder, the mounting seat, the thermistor, the annular plate and the connecting shell are filled with high-temperature-resistant cement, so that the internal structure is protected.
Furthermore, the edge of the upper end face of the fixed disc is provided with uniformly distributed mounting holes, so that workers can work and use conveniently.
Compared with the prior art, the utility model has the beneficial effects that: this temperature sensor of high temperature resistant protect function has following benefit:
1. at first the staff will connect the shell, high thermal conductivity encapsulating glue layer and high temperature resistant ceramic shell form holistic shell cover to a high temperature resistant silicone resin section of thick bamboo, mount pad and thermistor on, and in installing the annular plate through the annular cover screw thread, the connection shell plays the effect of transmission temperature and connection, high thermal conductivity encapsulating glue layer has good thermal conductivity and splendid insulating properties, improve the response time and the leakproofness of sensor, high temperature resistant ceramic shell then has light in weight, high temperature resistant, the good characteristic of thermal stability, the high temperature resistance performance of temperature sensor has been improved greatly in the combined use of three.
2. The staff passes high temperature resistant stainless steel layer and passes high temperature resistant ceramic shell and with screw thread fixed slot threaded connection after this to play sealed effect to the junction, inside aluminium silicate ceramic fiber layer and quartz glass shell utilized high heat-resistant high temperature resistant characteristic, the effectual high temperature of having avoided gets into the sensor from the junction, prolonged temperature sensor's life, it is also more convenient when staff's inspection maintenance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A of the present invention.
In the figure: the high-temperature-resistant silicon rubber sealing device comprises a fixed disk 1, a high-temperature-resistant silicon resin cylinder 2, an installation seat 3, a thermistor 4, a transmission wire 5, a high-temperature-resistant protection unit 6, an annular plate 61, an annular sleeve 62, a connecting shell 63, a high-thermal-conductivity potting adhesive layer 64, a high-temperature-resistant ceramic shell 65, a sealing unit 7, a thread fixing groove 71, a high-temperature-resistant stainless steel layer 72, an aluminum silicate ceramic fiber layer 73, a quartz glass shell 74, a high-temperature-resistant rubber gasket 8, high-temperature-resistant cement 9 and an installation hole 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment provides a technical solution: a temperature sensor with high temperature resistant protection function comprises a fixed disc 1, a high temperature resistant protection unit 6 and a sealing unit 7;
fixing the disc 1: the fixing disc 1 provides an installation supporting place for the accessory mechanism units, a high-temperature-resistant silicone cylinder 2 is arranged in the middle of the lower surface of the fixing disc, the high-temperature-resistant silicone cylinder 2 plays a role in protecting the internal units of the fixing disc, an installation seat 3 is arranged on the lower end face of the high-temperature-resistant silicone cylinder 2, the installation seat 3 plays a role in installing a monitoring unit, a thermistor 4 is arranged on the lower surface of the installation seat 3, a transmission wire 5 is arranged in an opening formed in the middle of the fixing disc 1, the input end of the transmission wire 5 is electrically connected with the output end of the thermistor 4, when a temperature sensor is used, the whole structure is only required to be placed in an area needing to be detected, the thermistor 4 changes along with the temperature, the resistance value of the thermistor also changes, the resistance value can be directly used as an output signal, the output signal is transmitted to an external display section through the transmission wire 5, and the high-temperature-resistant requirement of the temperature sensor is met;
high-temperature-resistant protection unit 6: the high-temperature-resistant protection unit 6 comprises an annular plate 61, an annular sleeve 62 and a connecting shell 63, wherein the annular plate 61 is arranged on the lower end face of a fixed disk 1, the inner arc face of the annular plate 61 is connected with the annular sleeve 62 through a thread groove in a threaded manner, the lower end face of the annular sleeve 62 is provided with the connecting shell 63, the high-temperature-resistant protection unit 6 further comprises a high-thermal-conductivity potting adhesive layer 64 and a high-temperature-resistant ceramic shell 65, the high-thermal-conductivity potting adhesive layer 64 is arranged on the outer arc face of the connecting shell 63, the high-temperature-resistant ceramic shell 65 is arranged on the outer arc face of the high-thermal-conductivity potting adhesive layer 64, a worker firstly sleeves the connecting shell 63, the high-thermal-conductivity potting adhesive layer 64 and the high-temperature-resistant ceramic shell 65 which form a whole onto a high-temperature-resistant silicone resin cylinder 2, a mounting seat 3 and a thermistor 4 and installs the high-temperature-resistant silicone resin cylinder 61 into the annular sleeve 62 through threads, the connecting shell 63 plays roles in transferring temperature and connecting, and the high-thermal-conductivity potting adhesive layer 64 has good thermal conductivity and excellent insulating property, the response time and the sealing performance of the sensor are improved, the high-temperature resistant ceramic shell 65 has the characteristics of light weight, high temperature resistance and good thermal stability, and the high-temperature resistance of the temperature sensor is greatly improved by the combined use of the three components;
the sealing unit 7: the sealing unit 7 is in threaded connection with the outer arc surface of the annular plate 61, the sealing unit 7 comprises a thread fixing groove 71 and a high-temperature resistant stainless steel layer 72, the thread fixing groove 71 is respectively arranged at the lower end of the outer arc surface of the annular plate 61 and the upper end of the outer arc surface of the high-temperature resistant ceramic shell 65, the thread fixing groove 71 is in threaded connection with the thread teeth of the inner arc surface of the high-temperature resistant stainless steel layer 72, the sealing unit 7 further comprises an aluminum silicate ceramic fiber layer 73 and a quartz glass shell 74, the aluminum silicate ceramic fiber layer 73 is arranged on the outer arc surface of the high-temperature resistant stainless steel layer 72, the quartz glass shell 74 is arranged on the outer arc surface of the aluminum silicate ceramic fiber layer 73, after that, a worker penetrates through the high-temperature resistant stainless steel layer 65 and is in threaded connection with the thread fixing groove 71, so as to achieve the sealing effect on the connection position, and the aluminum silicate ceramic fiber layer 73 and the quartz glass shell 74 utilize the characteristic of high heat resistance and high temperature resistance, the high temperature is effectively prevented from entering the sensor from the joint, and the service life of the temperature sensor is prolonged.
Wherein: the lower end face of the annular plate 61, the connecting shell 63, the high-thermal-conductivity potting adhesive layer 64 and the high-temperature-resistant ceramic shell 65 form a whole, a high-temperature-resistant adhesive pad 8 is arranged between the upper end faces, and the high-temperature-resistant adhesive pad 8 enables the sealing effect of the connecting part to be better.
Wherein: the gap formed between the fixed disc 1, the high temperature resistant silicone cylinder 2, the mounting seat 3, the thermistor 4, the annular plate 61 and the connecting shell 63 is filled with high temperature resistant cement 9, and the high temperature resistant cement 9 plays a role in protecting the internal structure.
Wherein: the edge of the upper end face of the fixed disc 1 is provided with mounting holes 10 which are uniformly distributed, and the mounting holes 10 are convenient for workers to work and use.
The working principle of the temperature sensor with the high-temperature resistant protection function provided by the utility model is as follows: firstly, a worker sleeves the connecting shell 63, the high-thermal-conductivity potting adhesive layer 64 and the high-temperature-resistant ceramic shell 65 into an integral shell on the high-temperature-resistant silicone cylinder 2, the mounting seat 3 and the thermistor 4, and the integral shell is installed in the annular plate 61 through the annular sleeve 62 in a threaded manner, the connecting shell 63 plays a role in transferring temperature and connecting, the high-thermal-conductivity potting adhesive layer 64 has good thermal conductivity and excellent insulating property, the response time and the sealing property of the sensor are improved, the high-temperature-resistant ceramic shell 65 has the characteristics of light weight, high temperature resistance and good thermal stability, the high-temperature-resistant performance of the temperature sensor is greatly improved through the combined use of the high-thermal-conductivity potting adhesive layer 64, the high-temperature-resistant stainless steel layer 72, the high-temperature-resistant ceramic shell 65 and the threaded fixing groove 71, so that the connection part is sealed, and the aluminum silicate ceramic fiber layer 73 and the quartz glass shell 74 utilize the high-temperature-resistant property, inside the effectual high temperature that has avoided getting into the sensor from the junction, temperature sensor's life has been prolonged, high temperature resistant cushion 8 makes the leakproofness effect of junction better, high temperature resistant cement 9 then plays the effect of protection to inside structure, the staff work of being convenient for is used then to mounting hole 10, make when using temperature sensor, only need place the structure whole in the region that needs detected, thermistor 4 is along with the temperature variation, its resistance value also changes, and the resistance value then can directly regard as output signal, transmit to outside demonstration section through transmission electric wire 5, satisfy the high temperature resistant demand of temperature sensor.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a temperature sensor of high temperature resistant protect function which characterized in that: comprises a fixed disc (1), a high temperature resistant protection unit (6) and a sealing unit (7);
fixed disk (1): a high-temperature-resistant silicone cylinder (2) is arranged in the middle of the lower surface of the fixing disc, a mounting seat (3) is arranged on the lower end surface of the high-temperature-resistant silicone cylinder (2), a thermistor (4) is arranged on the lower surface of the mounting seat (3), a transmission wire (5) is arranged in a hole formed in the middle of the fixing disc (1), and the input end of the transmission wire (5) is electrically connected with the output end of the thermistor (4);
high temperature resistant protection unit (6): the connecting device comprises an annular plate (61), an annular sleeve (62) and a connecting shell (63), wherein the annular plate (61) is arranged on the lower end face of a fixed disc (1), the inner arc face of the annular plate (61) is connected with the annular sleeve (62) through a thread groove in a threaded manner, and the lower end face of the annular sleeve (62) is provided with the connecting shell (63);
sealing unit (7): the thread is connected with the outer arc surface of the annular plate (61).
2. The temperature sensor with high temperature resistant protection function according to claim 1, characterized in that: the high-temperature-resistant protection unit (6) further comprises a high-thermal-conductivity encapsulating adhesive layer (64) and a high-temperature-resistant ceramic shell (65), wherein the high-thermal-conductivity encapsulating adhesive layer (64) is arranged on the outer arc surface of the connecting shell (63), and the outer arc surface of the high-thermal-conductivity encapsulating adhesive layer (64) is provided with the high-temperature-resistant ceramic shell (65).
3. The temperature sensor with high temperature resistant protection function according to claim 2, characterized in that: the sealing unit (7) comprises a thread fixing groove (71) and a high-temperature-resistant stainless steel layer (72), the thread fixing groove (71) is respectively arranged at the lower end of the outer arc surface of the annular plate (61) and the upper end of the outer arc surface of the high-temperature-resistant ceramic shell (65), and the thread fixing groove (71) is in threaded connection with the thread teeth of the inner arc surface of the high-temperature-resistant stainless steel layer (72).
4. The temperature sensor with high temperature resistant protection function according to claim 3, characterized in that: the sealing unit (7) further comprises an aluminum silicate ceramic fiber layer (73) and a quartz glass shell (74), the aluminum silicate ceramic fiber layer (73) is arranged on the outer arc surface of the high-temperature-resistant stainless steel layer (72), and the quartz glass shell (74) is arranged on the outer arc surface of the aluminum silicate ceramic fiber layer (73).
5. The temperature sensor with high temperature resistant protection function according to claim 2, characterized in that: and a high-temperature-resistant rubber cushion (8) is arranged between the lower end face of the annular plate (61) and the upper end face of the whole formed by the connecting shell (63), the high-thermal-conductivity potting adhesive layer (64) and the high-temperature-resistant ceramic shell (65).
6. The temperature sensor with high temperature resistant protection function according to claim 1, characterized in that: gaps formed among the fixed disc (1), the high-temperature-resistant silicone resin cylinder (2), the mounting seat (3), the thermistor (4), the annular plate (61) and the connecting shell (63) are filled with high-temperature-resistant cement (9).
7. The temperature sensor with high temperature resistant protection function according to claim 1, characterized in that: the edge of the upper end face of the fixed disc (1) is provided with mounting holes (10) which are uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121994711.7U CN216012510U (en) | 2021-08-24 | 2021-08-24 | Temperature sensor with high-temperature-resistant protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121994711.7U CN216012510U (en) | 2021-08-24 | 2021-08-24 | Temperature sensor with high-temperature-resistant protection function |
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| Publication Number | Publication Date |
|---|---|
| CN216012510U true CN216012510U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121994711.7U Active CN216012510U (en) | 2021-08-24 | 2021-08-24 | Temperature sensor with high-temperature-resistant protection function |
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| CN (1) | CN216012510U (en) |
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2021
- 2021-08-24 CN CN202121994711.7U patent/CN216012510U/en active Active
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