CN216386032U - Pipe clamp type quick response temperature sensor - Google Patents
Pipe clamp type quick response temperature sensor Download PDFInfo
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- CN216386032U CN216386032U CN202122852100.5U CN202122852100U CN216386032U CN 216386032 U CN216386032 U CN 216386032U CN 202122852100 U CN202122852100 U CN 202122852100U CN 216386032 U CN216386032 U CN 216386032U
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Abstract
The utility model relates to a pipe clamp type quick response temperature sensor, relating to the technical field of temperature sensors; the explosion-proof surface explosion-proof structure component with the spring is rotatably arranged on the right port of the junction box through threads; the movable joint is screwed with the right end of the explosion-proof surface explosion-proof structure component with the spring through threads; the protection tube is screwed with the right end of the loose joint through threads; the left end of the pipe clamp is screwed with the right end of the protection pipe through threads; the right end of the temperature probe rod is exposed in the middle of the pipe clamp, and the left end of the temperature probe rod sequentially penetrates through the left side of the pipe clamp, the protection pipe and the loose joint and then is fixedly connected with the explosion-proof surface explosion-proof structure assembly with the spring; the temperature probe rod is electrically connected with the junction box through a wire, so that the surface of the contact end part of the temperature probe rod can be ensured not to be oxidized in a corrosive environment for a long time, and good contact is kept; meanwhile, the reaction temperature is effectively monitored, the monitoring accuracy is high, the response speed is high, the response time constant T63.2 of the probe rod of the Pt100 thermal resistor needs to be less than 3 seconds, and the response time constant T63.2 of the thermocouple sensor needs to be less than 2.5 seconds.
Description
Technical Field
The utility model relates to the technical field of temperature sensors, in particular to a pipe clamp type quick response temperature sensor.
Background
In industries such as nuclear power, petrochemical industry and the like, the speed of temperature monitoring is very important forever, because the abnormal change of reaction temperature represents the instability of a nuclear power reactor or chemical reaction, the reaction is very precious every 0.1 second, therefore, the accuracy and the quick response of the temperature monitoring of a process pipeline are very important, the traditional temperature sensor can only be integrally installed on the outer surface of the pipeline generally, and a wiring/field display device is inconvenient to install after the pipeline is well insulated, so the temperature monitoring device is not suitable for the temperature monitoring of the pipeline with an insulating layer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pipe clamp type quick response temperature sensor with reasonable design aiming at the defects and shortcomings of the prior art, which can ensure that the surface of the contact end part of a temperature probe rod cannot be oxidized in a corrosive environment for a long time and keeps good contact; meanwhile, the reaction temperature is effectively monitored, the monitoring accuracy is high, the response speed is high, the response time constant T63.2 of the probe rod of the Pt100 thermal resistor needs to be less than 3 seconds, and the response time constant T63.2 of the thermocouple sensor needs to be less than 2.5 seconds.
In order to achieve the purpose, the utility model adopts the following technical scheme: it comprises the following steps:
the explosion-proof surface explosion-proof structure component with the spring is rotatably arranged on the right port of the junction box through threads;
the movable joint is screwed with the right end of the explosion-proof surface explosion-proof structural component with the spring through threads;
the protective tube is screwed with the right end of the loose joint through threads;
the left end of the pipe clamp is screwed with the right end of the protection pipe through threads;
the right end of the temperature probe rod is exposed in the middle of the pipe clamp, and the left end of the temperature probe rod sequentially penetrates through the left side of the pipe clamp, the protection pipe and the loose joint and then is fixedly connected with the explosion-proof surface explosion-proof structure assembly with the spring; the temperature probe rod is electrically connected with the junction box through a lead.
Preferably, the protection pipe is a double-end threaded pipe.
Preferably, the temperature probe rod and the protection tube are both stainless steel metal tubes.
Preferably, the end part of the temperature probe rod is provided with a heat-conducting anti-corrosion coating.
1. Compared with the prior art, the utility model has the beneficial effects that: the pipe clamp type quick response temperature sensor can ensure that the surface of the contact end part of the temperature probe rod cannot be oxidized in a corrosive environment for a long time and keeps good contact; meanwhile, the reaction temperature is effectively monitored, the monitoring accuracy is high, the response speed is high, the response time constant T63.2 of the probe rod of the Pt100 thermal resistor needs to be less than 3 seconds, and the response time constant T63.2 of the thermocouple sensor needs to be less than 2.5 seconds. The utility model has the advantages of reasonable arrangement, low manufacturing cost and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Description of reference numerals:
the explosion-proof structure comprises a junction box 1, an explosion-proof surface explosion-proof structure component 2 with a spring, a loose joint 3, a protection tube 4, a tube clamp 5 and a temperature probe rod 6.
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.
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: it comprises the following steps:
the explosion-proof surface structure component 2 with the spring is arranged on the right port of the junction box 1 in a rotating mode through threads, the explosion-proof surface structure component 2 with the spring is an explosion-proof structure component in an easy-to-convert connection mode in the Chinese patent publication No. CN211626517U and an explosion-proof surface structure component with the spring, and the dual requirements of elastic performance and explosion-proof performance are ensured; the junction box 1 can be only a junction box meeting explosion-proof requirements and is internally provided with a wiring terminal, an analog signal can be directly transmitted to a system end, a signal conversion secondary instrument is also arranged in the junction box 1, the analog signal is converted into an industrial standard signal, such as a standard 4-20 mA current model, an HART protocol signal and a bus protocol signal, such as Profitbus or Fieldbus, and a display can be added on a wiring device to read measured readings on site;
the movable joint 3 is screwed with the right end of the explosion-proof surface explosion-proof structural component 2 with the spring through threads;
the protection tube 4 is screwed with the right end of the movable joint 3 through threads;
the left end of the pipe clamp 5 is screwed with the right end of the protection pipe 4 through threads;
the temperature probe rod 6 is exposed at the middle part of the pipe clamp 5 at the right end of the temperature probe rod 6, and the left end of the temperature probe rod 6 is fixedly and flexibly connected with the explosion-proof surface explosion-proof structure component 2 with the spring after sequentially passing through the left side of the pipe clamp 5, the protection pipe 4 and the loose joint 3; the temperature probe rod 6 is electrically connected with the junction box 1 through a wire, so that the probe rod and the junction box 1 are not welded and fixed, and the explosion-proof performance of the whole instrument and the explosion suppression can be ensured; the sensor in the temperature probe 6 can be a thermal resistor (Pt100, Pt1000, Pt200, etc.) and can be a thermocouple sensor (J, K, E, T, R, S, etc. degree number thermocouple); the sensing portion of the temperature probe 6 is a fast response structure sensor, with a response time constant T63.2 of less than 3 seconds for a probe of a Pt100 thermal resistor and a response time constant T63.2 of less than 2.5 seconds for a thermocouple sensor.
Preferably, the protection pipe 4 is a double-end threaded pipe.
Preferably, the temperature probe 6 and the protection tube 4 are stainless steel tubes.
Preferably, the end of the temperature probe 6 is provided with a heat-conducting anti-corrosion coating, which is a gold-plated layer or a silver-plated layer.
The working principle of the specific embodiment is as follows: the wiring or on-site display device has to meet the protection requirements of IP65 and above, and the end part of the temperature probe rod 6 is provided with the heat-conducting anti-corrosion coating to ensure that the surface of the contact end part of the temperature probe rod 6 is not oxidized in a corrosive environment for a long time and keeps good contact; meanwhile, the explosion-proof surface explosion-proof structural component 2 with the spring is used for ensuring that the temperature probe rod 6 is in contact with the steel pipe, on one hand, the temperature probe rod can be in complete contact and has force, and the steel pipe or the temperature probe rod 6 cannot deform due to overlarge force; the pipe clamp 5 is used, the whole device can be directly fixed on a client process pipeline through the pipe clamp 5, the sensing part of the temperature probe rod 6 can be directly and tightly contacted with a steel pipe, the wiring or the field display device can be exposed out of a heat insulation layer, the effective monitoring of the reaction temperature is realized, the monitoring accuracy is high, the thermal response time is very short, and the T90 is usually required to be less than 6S.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the end part of the temperature probe rod 6 is provided with the anti-corrosion heat conduction coating, so that the surface of the contact end part of the temperature probe rod 6 cannot be oxidized in a corrosive environment for a long time, can keep good contact with the surface of a detected pipeline, and provides good heat conduction performance;
2. the temperature probe rod 6 and the steel pipe can be ensured to be in complete contact, the contact force can be controlled, and the steel pipe or the temperature probe rod 6 is prevented from being deformed due to overlarge force;
3. the wiring/field display device can be ensured to be exposed out of the heat insulation layer, the effective monitoring of the reaction temperature is realized, and the monitoring accuracy and the response speed are high.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (4)
1. A pipe clamp type quick response temperature sensor is characterized in that: it comprises the following steps:
the explosion-proof surface explosion-proof structure component (2) with the spring is rotationally arranged on the right port of the junction box (1) through threads;
the movable joint (3) is screwed with the right end of the explosion-proof surface explosion-proof structure component (2) with the spring through threads;
the protection pipe (4), the said protection pipe (4) is connected with the right end of the loose joint (3) through the whorl;
the left end of the pipe clamp (5) is screwed with the right end of the protection pipe (4) through threads;
the right end of the temperature probe rod (6) is exposed in the middle of the pipe clamp (5), and the left end of the temperature probe rod (6) sequentially penetrates through the left side of the pipe clamp (5), the protection pipe (4) and the loose joint (3) and then is fixedly connected with the explosion-proof surface explosion-proof structure assembly (2) with the spring; the temperature probe rod (6) is electrically connected with the junction box (1) through a lead.
2. The tube-clip type quick response temperature sensor according to claim 1, wherein: the protection pipe (4) is a double-end thread pipeline.
3. The tube-clip type quick response temperature sensor according to claim 1, wherein: the temperature probe rod (6) and the protection tube (4) are both stainless steel metal tubes.
4. The tube-clip type quick response temperature sensor according to claim 1, wherein: the end part of the temperature probe rod (6) is provided with a heat-conducting anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122852100.5U CN216386032U (en) | 2021-11-20 | 2021-11-20 | Pipe clamp type quick response temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122852100.5U CN216386032U (en) | 2021-11-20 | 2021-11-20 | Pipe clamp type quick response temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216386032U true CN216386032U (en) | 2022-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122852100.5U Active CN216386032U (en) | 2021-11-20 | 2021-11-20 | Pipe clamp type quick response temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216386032U (en) |
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2021
- 2021-11-20 CN CN202122852100.5U patent/CN216386032U/en active Active
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