CN218765646U - Temperature sensor protection tube - Google Patents
Temperature sensor protection tube Download PDFInfo
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- CN218765646U CN218765646U CN202222702811.9U CN202222702811U CN218765646U CN 218765646 U CN218765646 U CN 218765646U CN 202222702811 U CN202222702811 U CN 202222702811U CN 218765646 U CN218765646 U CN 218765646U
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- protection tube
- temperature sensor
- spring
- clamping
- sensor protection
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Abstract
The utility model discloses a temperature sensor protection tube belongs to temperature sensor device field. The utility model discloses a body and connecting portion that link together, the inside staving that is enclosed by two centre gripping buckets that sets up of body sets up the spring between the lateral wall of every centre gripping bucket and the body, the spring sets up for body axis symmetry along equidistant setting of body axial, the spring that sets up on two centre gripping buckets. The utility model has the main purpose that the probe of the temperature sensor extends into the space between the two clamping barrels, and the probe can be kept in close contact with the inside of the clamping barrel under the action of the spring, thereby improving the temperature measurement precision of the temperature sensor and fixing the probe; in addition, the size between the two clamping barrels can be changed, so that the protection tube can adapt to probes with different thicknesses.
Description
Technical Field
The utility model relates to a temperature sensor technical field, more specifically say, relate to a temperature sensor protection tube.
Background
A temperature sensor is a sensor that converts a temperature variable into a transmittable standardized output signal, and is widely used in the fields of temperature detection, display, temperature control, overheat protection, and the like. In most industrial production application scenes, a temperature sensor is required to be in contact with a medium with a measured temperature when the temperature is measured, and the temperature of the medium can be accurately obtained. However, some media cannot directly contact the temperature sensor or can directly contact the temperature sensor, but the media can damage the temperature sensor after a long time, so that a temperature sensor protection tube is needed. The existing temperature sensor protection tube is mostly cylindrical, a body type is large relative to a sensor, a medium between a sensor probe and a tube wall is air, the heat transfer performance is poor, the actual temperature of the detection medium cannot be accurately reflected, a certain temperature detection error is generated, and the temperature sensor cannot be well fixed and contacted in the protection tube.
Through the retrieval, chinese patent CN209247180U discloses a temperature sensor for power plant's steam turbine thrust tile, including casing and protection tube, the right-hand member of casing has the protection tube through fixing bolt threaded connection, the lower extreme threaded connection of casing has the clamp cover, be equipped with the ring in the protection tube, be equipped with the spring between the outside of ring and the inboard of protection tube, the ring endotheca has temperature element, and this application sets up the ring in the protection tube, can fix temperature element, prevents that temperature element from rocking in the protection tube, sets up the spring outside the ring with the inboard of protection tube, can reduce the influence to ring and temperature element when the protection tube vibrates. In this application, be the air in the protection tube, not direct contact between temperature sensor and the measured medium, measurement error is great.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
To at least some problems that exist among the prior art, the utility model provides a temperature sensor protection tube solves the problem that temperature sensor can not be good fixed and contact in the protection tube, and measuring error is big.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model provides a temperature sensor protection tube, is including body and the connecting portion that link together, the inside staving that is enclosed by two centre gripping buckets that sets up of body sets up the spring between the lateral wall of every centre gripping bucket and the body.
Further, the springs are arranged at equal intervals along the axial direction of the pipe body.
Further, the springs arranged on the two clamping barrels are symmetrically arranged relative to the axis of the pipe body.
Further, the pipe body comprises a protection pipe shell and a metal wire filling layer, and the metal wire filling layer is located between the protection pipe shell and the clamping barrel body.
Further, the protection tube housing includes a protection tube body and a protection tube head, which are connected together by a thread.
Further, a through hole is formed in the center of the connecting portion.
Further, an external thread is arranged on the outer side wall of the connecting portion, and an internal thread is arranged on the inner side wall of the connecting portion through hole.
Further, the metal wire filling layer is filled with heat conducting metal wires.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) The utility model discloses a temperature sensor protection tube, the body is inside to set up the staving that is enclosed by two centre gripping buckets, sets up the spring between the lateral wall of each centre gripping bucket and the body, and temperature sensor's probe is deep into between two centre gripping buckets, under the effect of spring, can keep all surfaces of probe and centre gripping bucket inside in close contact with to improve temperature sensor temperature measurement's precision, and the fixing of probe; in addition, the size between the two clamping barrels can be changed, so that the protection tube can adapt to probes with different thicknesses.
(2) The utility model discloses a temperature sensor protection tube, body include protection tube casing and wire filling layer, and the wire filling layer is located between protection tube casing and the centre gripping bucket staving, fills the heat conduction wire in the wire filling layer, transmission heat that can be better, and external temperature variation transmits temperature sensor's probe, the temperature of more accurate measurement environment through the wire filling layer.
Drawings
Fig. 1 is a schematic view of the overall structure of the protection tube of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along section A-A of FIG. 1;
fig. 3 is a cross-sectional view of section B-B of fig. 1.
The reference numerals in the schematic drawings illustrate: 1. a metal filling layer; 2. a spring; 3. clamping the barrel; 4. protecting the head of the tube; 5. protecting the pipe body; 6. a connecting portion; 61. an external thread; 62. and (4) internal threads.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
In the embodiment shown in fig. 1-3, a temperature sensor protection tube includes a tube body and a connection portion 6 connected together, a barrel body surrounded by two clamping barrels 3 is disposed inside the tube body, the clamping barrels 3 are semicircular, the clamping barrels 3 are made of a heat conducting material, and a spring 2 is disposed between a side wall of each clamping barrel 3 and the tube body. The springs 2 are arranged at equal intervals along the axial direction of the pipe body, and the springs 2 arranged on the two clamping barrels 3 are symmetrically arranged relative to the axial line of the pipe body. In this embodiment, three springs 2 are provided on each holding barrel 3.
As shown in fig. 2, the pipe body comprises a protective pipe shell and a metal wire filling layer 1, the metal wire filling layer 1 is located between the protective pipe shell and the barrel body of the clamping barrel 3, and the metal wire filling layer 1 is filled with heat conducting metal wires. Specifically, in this embodiment, the spring 2 passes through the wire filling layer 1, and the clamping barrel 3 is connected to one end of the spring 2, and the other end is connected with the protection tube housing, and the clamping force is exerted on the clamping barrel 3 under the spring force effect of the spring 2.
The protection tube casing includes protection shaft of pipe 5 and protection tube head 4, and protection shaft of pipe 5 and protection tube head 4 pass through threaded connection and are in the same place, and under some circumstances, protection shaft of pipe 5 and protection tube head 4 also can set up to a body coupling, but protection shaft of pipe 5 and protection tube head 4 pass through under the condition of screw thread, make things convenient for the dismantlement and the installation between protection shaft of pipe 5 and the protection tube head 4, are convenient for maintain or clear up the protection tube.
The other end of body is connected connecting portion 6, specifically indicates that the other end of protection shaft of pipe 5 is connected connecting portion 6, and connecting portion 6 is provided with the through-hole, and this through-hole is located the center of connecting portion 6, and the central line of through-hole and the central line of centre gripping bucket 3 are located same straight line promptly. The outer side wall of the connecting part 6 is provided with an external thread 61, and the inner side wall of the through hole of the connecting part 6 is provided with an internal thread 62.
In this embodiment, the temperature sensor protection tube is cylindrical, and when measuring the temperature of the relevant equipment, the temperature sensor protection tube can be connected and installed in the relevant equipment through the external thread 61, and then the temperature sensor can be connected and placed in the protection tube through the internal thread 62. The temperature sensor can be protected from being influenced by the detected medium, and the temperature sensor can be conveniently detached and maintained. When needing to dismantle and overhaul temperature sensor, need not to dismantle whole protection tube and get off, only unscrew the screw through internal thread 62, can dismantle temperature sensor, very big the dismantlement work that has made things convenient for.
In the embodiment, the two clamping barrels 3 are clamped through the springs 2, the probes of the temperature sensor penetrate into the protective tube under the action of the springs, and all the surfaces of the probes are tightly contacted with the inside of the clamping barrels 3, so that the temperature measurement precision of the temperature sensor is improved, and meanwhile, the probes can be fixed; in addition, two centre gripping buckets 3 are the semicircle, because the spring has elasticity, and the size can be changed between the centre gripping bucket 3, can make the protection tube adapt to the probe of different thicknesses, and this protection tube can be applied to more scenes.
What fill in the wire filling layer is heat conduction wire, compares in air filling in the past, and heat conduction wire can be better conducts the heat, reduces thermal loss, and external temperature variation transmits temperature sensor's probe through the wire filling layer, and temperature sensor can be more accurate measuring ring border's temperature.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if a person skilled in the art should understand that without departing from the spirit of the present invention, the person skilled in the art should not inventively design the similar structural modes and embodiments to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a temperature sensor protection tube, is including body and connecting portion (6) that link together, its characterized in that: the barrel body is formed by enclosing two clamping barrels (3) and is arranged inside the pipe body, and a spring (2) is arranged between the side wall of each clamping barrel (3) and the pipe body.
2. A temperature sensor protection tube according to claim 1, characterized in that: the springs (2) are arranged at equal intervals along the axial direction of the pipe body.
3. A temperature sensor protection tube according to claim 2, characterized in that: the springs (2) arranged on the two clamping barrels (3) are symmetrically arranged relative to the axis of the pipe body.
4. The temperature sensor protection tube according to claim 1, characterized in that: the pipe body comprises a protection pipe shell and a metal wire filling layer (1), wherein the metal wire filling layer (1) is located between the protection pipe shell and the clamping barrel body (3).
5. The temperature sensor protection tube according to claim 4, wherein: the protection tube shell comprises a protection tube body (5) and a protection tube head (4), wherein the protection tube body (5) and the protection tube head (4) are connected together through threads.
6. The temperature sensor protection tube according to claim 1, characterized in that: the center of the connecting part (6) is provided with a through hole.
7. The temperature sensor protection tube according to claim 6, wherein: the outer side wall of the connecting part (6) is provided with an external thread (61), and the inner side wall of the through hole of the connecting part (6) is provided with an internal thread (62).
8. The temperature sensor protection tube according to claim 4, wherein: and the metal wire filling layer (1) is filled with heat conduction metal wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702811.9U CN218765646U (en) | 2022-10-13 | 2022-10-13 | Temperature sensor protection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222702811.9U CN218765646U (en) | 2022-10-13 | 2022-10-13 | Temperature sensor protection tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218765646U true CN218765646U (en) | 2023-03-28 |
Family
ID=85697415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222702811.9U Active CN218765646U (en) | 2022-10-13 | 2022-10-13 | Temperature sensor protection tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218765646U (en) |
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2022
- 2022-10-13 CN CN202222702811.9U patent/CN218765646U/en active Active
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