CN113218526A - Internal displacement telescopic temperature sensor - Google Patents
Internal displacement telescopic temperature sensor Download PDFInfo
- Publication number
- CN113218526A CN113218526A CN202110511962.3A CN202110511962A CN113218526A CN 113218526 A CN113218526 A CN 113218526A CN 202110511962 A CN202110511962 A CN 202110511962A CN 113218526 A CN113218526 A CN 113218526A
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- Prior art keywords
- sleeve
- pipe
- step pipe
- inner diameter
- diameter area
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 239000000523 sample Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The invention provides an internal displacement telescopic temperature sensor, which comprises: the temperature measuring device comprises a first step pipe, a second step pipe, a sleeve, a third step pipe, a temperature measuring chip, a cable, a spring, a bolt and a junction box, wherein the temperature measuring chip is arranged at the end part inside the first step pipe, the second step pipe is partially sleeved on the outer ring of the first step pipe, the second step and the first step are mutually clamped and limited, the sleeve is welded with the second step pipe, the spring is contained in the second step pipe, the third step is arranged at the end part of the outer ring of the third step pipe, the third step is clamped at the junction of a large inner diameter area and a small inner diameter area of the sleeve, a non-stepped part of the third step pipe is contained in a small inner diameter area of the sleeve, the bolt is sleeved at the end part of the small inner diameter area of the sleeve in a welding mode, the bolt is connected with the junction box, and the cable is connected with the temperature measuring chip and the junction box. Through the design, the probe part can stretch out and draw back, the structure is simple, and the test effect is good.
Description
Technical Field
The invention belongs to the technical field of temperature sensors, and particularly relates to an internal displacement telescopic temperature sensor.
Background
Temperature sensors were the first type of sensors developed and most widely used. The market share of temperature sensors greatly exceeds that of other sensors. The temperature was used for measurements since the beginning of the 17 th century. Temperature sensors are used in various fields with the support of semiconductor technology. However, many probes of the existing sensor cannot be stretched, the probes are easy to damage, and meanwhile, the general structure capable of stretching is complex, the production process is complex, and the effect in the test process is not good.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an internal displacement telescopic temperature sensor, which aims to solve the problems of complex structure, easy damage of a probe and low test efficiency in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an internal displacement telescoping temperature sensor, comprising: the temperature measuring device comprises a first step pipe, a second step pipe, a sleeve, a third step pipe, a temperature measuring chip, a cable, a spring, a bolt and a junction box, wherein the temperature measuring chip is arranged at the end part inside the first step pipe, the outer ring of the first step pipe is provided with a first step, the inner ring of the second step pipe is provided with a second step, the second step pipe is partially sleeved on the outer ring of the first step pipe, the second step is mutually clamped with the first step for limiting, the sleeve comprises a large inner diameter area and a small inner diameter area, the large inner diameter area of the sleeve is sleeved on the outer ring of the second step pipe, the sleeve is welded with the second step pipe, the spring is accommodated in the second step pipe, one end of the spring is connected with the first step pipe, the other end of the spring is connected with the third step pipe, and the end part of the outer ring of the third step pipe is provided with the third step, the third step is clamped at the junction of the large inner diameter area and the small inner diameter area of the sleeve, the non-step part of the third step pipe is accommodated in the small inner diameter area of the sleeve, the bolt is sleeved at the end of the small inner diameter area of the sleeve in a welding mode, the bolt is connected with the junction box, the cable is connected with the temperature measuring chip and sequentially penetrates through the first step pipe, the second step pipe, the third step pipe and the sleeve to be connected with the junction box.
Preferably, the temperature measuring chip is a platinum resistor.
Preferably, the periphery of the temperature measuring chip is encapsulated with silica gel.
Preferably, the third step is welded to the sleeve.
Preferably, the end of the sleeve close to the small inner diameter area is filled with mixed glue.
Preferably, the cable wire is an armored wire.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an internal displacement telescopic temperature sensor, which comprises: the temperature measuring device comprises a first step pipe, a second step pipe, a sleeve, a third step pipe, a temperature measuring chip, a cable, a spring, a bolt and a junction box, wherein the temperature measuring chip is arranged at the end part inside the first step pipe, the outer ring of the first step pipe is provided with a first step, the inner ring of the second step pipe is provided with a second step, the second step pipe is partially sleeved on the outer ring of the first step pipe, the second step is mutually clamped with the first step for limiting, the sleeve comprises a large inner diameter area and a small inner diameter area, the large inner diameter area of the sleeve is sleeved on the outer ring of the second step pipe, the sleeve is welded with the second step pipe, the spring is accommodated in the second step pipe, one end of the spring is connected with the first step pipe, the other end of the spring is connected with the third step pipe, and the end part of the outer ring of the third step pipe is provided with the third step, the third step is clamped at the junction of the large inner diameter area and the small inner diameter area of the sleeve, the non-step part of the third step pipe is accommodated in the small inner diameter area of the sleeve, the bolt is sleeved at the end of the small inner diameter area of the sleeve in a welding mode, the bolt is connected with the junction box, the cable is connected with the temperature measuring chip and sequentially penetrates through the first step pipe, the second step pipe, the third step pipe and the sleeve to be connected with the junction box. Through the design, the probe part can stretch out and draw back, the structure is simple, and the test effect is good.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of the present invention;
FIG. 2 is a partial block diagram of a preferred embodiment of the present invention;
FIG. 3 is a block diagram of the sleeve of the present invention;
FIG. 4 is a structural view of a first stepped tube (including a temperature measuring chip and a portion of a cable) according to the present invention;
FIG. 5 is a structural view of a second step pipe of the present invention;
fig. 6 is a structural view of a three-step pipe of the present invention.
Reference numerals:
10. first step pipe 20, second step pipe 30, sleeve 40, third step pipe 50, temperature measuring chip 60, cable 70, spring 80, bolt 90, junction box 101, first step 201, second step 301, large inner diameter area 302, small inner diameter area 401, and third step pipe 50
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 6, the present invention provides an internal displacement telescopic temperature sensor, which comprises: the temperature measuring device comprises a first step pipe 10, a second step pipe 20, a sleeve 30, a third step pipe 40, a temperature measuring chip 50, a cable 60, a spring 70, a bolt 80 and a junction box 90, wherein the temperature measuring chip 50 is arranged at the end part inside the first step pipe 10, an outer ring of the first step pipe 10 is provided with a first step 101, an inner ring of the second step pipe 20 is provided with a second step 201, part of the second step pipe 20 is sleeved on the outer ring of the first step pipe 10, the second step 201 and the first step 101 are mutually clamped for limiting, the sleeve 30 comprises a large inner diameter area 301 and a small inner diameter area 302, the large inner diameter area 301 of the sleeve 30 is sleeved on the outer ring of the second step pipe 20, the sleeve 30 is welded with the second step pipe 20, the spring 70 is accommodated in the second step pipe 20, one end of the spring 70 is connected with the first step pipe 10, the other end of the spring 70 is connected with the third step tube 40, a third step 401 is arranged at the end of the outer ring of the third step tube 40, the third step 401 is clamped at the junction of the large inner diameter area 301 and the small inner diameter area 302 of the sleeve 30, the non-step portion of the third step tube 40 is accommodated in the small inner diameter area 302 of the sleeve 30, the bolt 80 is sleeved at the end of the small inner diameter area 302 of the sleeve 30 in a welding mode, the bolt 80 is connected with the junction box 90, the cable 60 is connected with the temperature measuring chip 50 and sequentially penetrates through the first step tube 10, the second step tube 20, the third step tube 40 and the sleeve 30 to be connected with the junction box 90.
Specifically, a first step 101, a second step 201 and a third step 401 of a first step tube 10, a second step tube 20 and a third step tube 40 are all installed in a welding mode, the first step tube 10 is made of a material with good high temperature resistance and heat conduction efficiency, a temperature measuring chip 50 is arranged at the end of the inner portion of the first step tube 10, the second step 201 is arranged at the end of the inner ring of the second step tube 20, the second step tube 20 is sleeved on the outer ring of the first step tube 10 and is limited by clamping the first step 101 and the second step 201 to prevent the first step tube 10 from sliding out, the outer ring of the second step tube 20 is welded at the inner ring of a large inner diameter area 301 of a sleeve 30, a section of empty area is arranged in the inner portion of the second step tube 20, a spring 70 is arranged in the empty area, one end of the spring 70 is connected with the end of the first step tube 10, the other end of the spring is connected with the end of the third step tube 40, the third step tube 40 is accommodated in the sleeve 30, the third step 401 is clamped at the junction of the large inner diameter area 301 and the small inner diameter area 302 of the sleeve 30 for limiting, the non-step part of the third step tube 40 is completely accommodated in the small inner diameter area 302 of the sleeve 30, one end of the sleeve 30, which is far away from the temperature measuring chip 50, is sleeved with a bolt 80, the bolt 80 is hollow and is fixed on the outer ring of the sleeve 30, the thread part of the bolt 80 is connected with the junction box 90, the cable 60 is connected with the temperature measuring chip 50 and is sequentially led out from the inside to be connected with the junction box 90. In the use, the first step pipe 10 is extruded by external force and can move inwards along the second step pipe 20 to compress the spring 70, but when the external force disappears, the spring 70 pushes the first step pipe 10 outwards, and the movable position of the first step pipe 10 is limited by the second step 201, so that the probe is telescopic.
In some embodiments, the temperature measuring chip 50 is a platinum resistor, and the test effect is good.
In some embodiments, the temperature measuring chip 50 is encapsulated with silica gel to improve the reaction efficiency.
In some embodiments, the third step 401 is welded to the sleeve 30, and the structure is more stable.
In some embodiments, the end of the sleeve 30 near the small inner diameter area 302 is filled with mixed glue for better sealing.
In some embodiments, the cable 60 is made of an armored wire, which is more resistant to interference.
In summary, the working principle of the invention is as follows:
the invention provides an internal displacement telescopic temperature sensor, which comprises: the temperature measuring device comprises a first step pipe 10, a second step pipe 20, a sleeve 30, a third step pipe 40, a temperature measuring chip 50, a cable 60, a spring 70, a bolt 80 and a junction box 90, wherein the temperature measuring chip 50 is arranged at the end part inside the first step pipe 10, an outer ring of the first step pipe 10 is provided with a first step 101, an inner ring of the second step pipe 20 is provided with a second step 201, part of the second step pipe 20 is sleeved on the outer ring of the first step pipe 10, the second step 201 and the first step 101 are mutually clamped for limiting, the sleeve 30 comprises a large inner diameter area 301 and a small inner diameter area 302, the large inner diameter area 301 of the sleeve 30 is sleeved on the outer ring of the second step pipe 20, the sleeve 30 is welded with the second step pipe 20, the spring 70 is accommodated in the second step pipe 20, one end of the spring 70 is connected with the first step pipe 10, the other end of the spring 70 is connected with the third step tube 40, a third step 401 is arranged at the end of the outer ring of the third step tube 40, the third step 401 is clamped at the junction of the large inner diameter area 301 and the small inner diameter area 302 of the sleeve 30, the non-step portion of the third step tube 40 is accommodated in the small inner diameter area 302 of the sleeve 30, the bolt 80 is sleeved at the end of the small inner diameter area 302 of the sleeve 30 in a welding mode, the bolt 80 is connected with the junction box 90, the cable 60 is connected with the temperature measuring chip 50 and sequentially penetrates through the first step tube 10, the second step tube 20, the third step tube 40 and the sleeve 30 to be connected with the junction box 90. Through the design, the probe part can stretch out and draw back, the structure is simple, and the test effect is good.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (6)
1. An internal displacement telescoping temperature sensor, comprising: the temperature measuring device comprises a first step pipe, a second step pipe, a sleeve, a third step pipe, a temperature measuring chip, a cable, a spring, a bolt and a junction box, wherein the temperature measuring chip is arranged at the end part inside the first step pipe, the outer ring of the first step pipe is provided with a first step, the inner ring of the second step pipe is provided with a second step, the second step pipe is partially sleeved on the outer ring of the first step pipe, the second step is mutually clamped with the first step for limiting, the sleeve comprises a large inner diameter area and a small inner diameter area, the large inner diameter area of the sleeve is sleeved on the outer ring of the second step pipe, the sleeve is welded with the second step pipe, the spring is accommodated in the second step pipe, one end of the spring is connected with the first step pipe, the other end of the spring is connected with the third step pipe, and the end part of the outer ring of the third step pipe is provided with the third step, the third step is clamped at the junction of the large inner diameter area and the small inner diameter area of the sleeve, the non-step part of the third step pipe is accommodated in the small inner diameter area of the sleeve, the bolt is sleeved at the end of the small inner diameter area of the sleeve in a welding mode, the bolt is connected with the junction box, the cable is connected with the temperature measuring chip and sequentially penetrates through the first step pipe, the second step pipe, the third step pipe and the sleeve to be connected with the junction box.
2. The internal displacement retractable temperature sensor of claim 1, wherein the temperature measuring chip is a platinum resistor.
3. The internal displacement retractable temperature sensor of claim 1, wherein the temperature measuring chip is encapsulated with silicone.
4. The internal displacement telescoping temperature sensor of claim 1, wherein the third step is welded to the sleeve.
5. The internal displacement telescoping temperature sensor of claim 1, wherein the sleeve is potted with a mixed glue at the end of the sleeve adjacent the small inner diameter region.
6. The internal displacement telescoping temperature sensor of claim 1, wherein the cable wires are sheathed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110511962.3A CN113218526A (en) | 2021-05-11 | 2021-05-11 | Internal displacement telescopic temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110511962.3A CN113218526A (en) | 2021-05-11 | 2021-05-11 | Internal displacement telescopic temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113218526A true CN113218526A (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110511962.3A Pending CN113218526A (en) | 2021-05-11 | 2021-05-11 | Internal displacement telescopic temperature sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN113218526A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626643A (en) * | 1984-04-04 | 1986-12-02 | Valeo | Heat sensor for measuring the temperature of a product heated in a microwave oven |
| CN203216629U (en) * | 2013-04-11 | 2013-09-25 | 广东技术师范学院 | Motor temperature measurement device |
| CN103604520A (en) * | 2013-10-28 | 2014-02-26 | 安徽蓝德集团股份有限公司 | Glass-packaged length-adjustable thermocouple |
| CN104034436A (en) * | 2014-06-24 | 2014-09-10 | 永济新时速电机电器有限责任公司 | Separation type elastic temperature sensor |
| CN106768425A (en) * | 2016-12-21 | 2017-05-31 | 湖南崇德工业科技有限公司 | For the temperature element of bearing |
| CN206540641U (en) * | 2017-03-10 | 2017-10-03 | 天津市中环温度仪表有限公司 | A kind of resistance to formula unit dedicated probe that shakes of elastic compression |
| CN206683772U (en) * | 2017-04-14 | 2017-11-28 | 广州德力权仪表有限公司 | A kind of scalable temperature sensor |
| CN110319943A (en) * | 2019-07-19 | 2019-10-11 | 深圳市泰士特科技股份有限公司 | Telescopic anti-corrosion temp sensor device |
| CN213091014U (en) * | 2020-09-27 | 2021-04-30 | 深圳市铂电科技有限公司 | Rebound displacement type temperature sensor |
-
2021
- 2021-05-11 CN CN202110511962.3A patent/CN113218526A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626643A (en) * | 1984-04-04 | 1986-12-02 | Valeo | Heat sensor for measuring the temperature of a product heated in a microwave oven |
| CN203216629U (en) * | 2013-04-11 | 2013-09-25 | 广东技术师范学院 | Motor temperature measurement device |
| CN103604520A (en) * | 2013-10-28 | 2014-02-26 | 安徽蓝德集团股份有限公司 | Glass-packaged length-adjustable thermocouple |
| CN104034436A (en) * | 2014-06-24 | 2014-09-10 | 永济新时速电机电器有限责任公司 | Separation type elastic temperature sensor |
| CN106768425A (en) * | 2016-12-21 | 2017-05-31 | 湖南崇德工业科技有限公司 | For the temperature element of bearing |
| CN206540641U (en) * | 2017-03-10 | 2017-10-03 | 天津市中环温度仪表有限公司 | A kind of resistance to formula unit dedicated probe that shakes of elastic compression |
| CN206683772U (en) * | 2017-04-14 | 2017-11-28 | 广州德力权仪表有限公司 | A kind of scalable temperature sensor |
| CN110319943A (en) * | 2019-07-19 | 2019-10-11 | 深圳市泰士特科技股份有限公司 | Telescopic anti-corrosion temp sensor device |
| CN213091014U (en) * | 2020-09-27 | 2021-04-30 | 深圳市铂电科技有限公司 | Rebound displacement type temperature sensor |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220920 Address after: 30-15 Huixi Road, Liangxi District, Wuxi City, Jiangsu Province 214000 Applicant after: Wuxi Zhongxiao Sensor Technology Co.,Ltd. Address before: 2-3 / F, building 2, No. 365, Silian Road, Henggang street, Longgang District, Shenzhen City, Guangdong Province Applicant before: RTD SENSORS TECHNOLOGY CO.,LTD. |
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Application publication date: 20210806 |
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