CN105387946B - A kind of resistant to elevated temperatures temperature sensor - Google Patents
A kind of resistant to elevated temperatures temperature sensor Download PDFInfo
- Publication number
- CN105387946B CN105387946B CN201510912022.XA CN201510912022A CN105387946B CN 105387946 B CN105387946 B CN 105387946B CN 201510912022 A CN201510912022 A CN 201510912022A CN 105387946 B CN105387946 B CN 105387946B
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- CN
- China
- Prior art keywords
- slider
- armored pipes
- case
- cored wire
- thermistor chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a kind of resistant to elevated temperatures temperature sensor, including thermistor chip, slider, case, armored pipes and tail cable, the armored pipes cored wire jack is located at the both sides of slider inner convex rib or groove, the other end of armored pipes welds with tail cable, thermistor chip is in slider, two cored wires weld with two cored wire jacks of armored pipes respectively, case spiral-lock the outside of slider and with armored pipes grafting.The present invention is using high temperature resistant, the ceramic material slider of high-insulativity, and make thermistor chip and be reasonably installed on the cored wire of armored pipes line in slider, improve the resistance to extreme temperature of the present invention, overcome temperature sensor easily to burn, damage under high-temperature work environment, functional reliability is low and the volatile genuine defect of data.
Description
Technical field
The present invention relates to detecting instrument field of instrumentation technology, especially a kind of resistant to elevated temperatures temperature sensor.
Background technology
Temperature sensor is widely used in the fields such as electromechanical equipment, automobile engine and the household electrical appliance of industry, plays temperature
The transmitting effect of degree detection, control and temperature signal.Such as it is used for automobile engine tail gas temperature sensing, can sentences according to detection temperature
Whether disconnected engine fuel fully burns, and if the tail gas for needing to discharge it carries out respective handling, to prevent it from polluting environment,
Determine the levels of emissions of vehicle exhaust.Temperature sensor is that sensor thermistor chip is installed on into equipment to need to detect temperature
Position, the cable section of Sensor tail is connected with electrical control instrument, by thermistor chip obtain temperature sensor,
And electrical control instrument is transferred to by the change of its resistance value, you can obtain the temperature at detected position, electrical control instrument
Corresponding instruction is sent according to operation of this temperature to equipment.The temperature sensor of prior art, due to thermistor chip with
The problem of slider between case is completed by the way of encapsulating, existed more is that the slider of encapsulating can only be below 300 DEG C
In the environment of use, the requirement of environmental condition at higher temperature can not be met, it is the working environment of pyrostat to trace it to its cause
The huge temperature difference being present, encapsulating can ftracture after expanding with heat and contract with cold, the critical defect for causing thermistor cored wire to be broken by encapsulating,
Temperature sensor is caused easily to burn, damage, functional reliability reduces, data distortion, constrains temperature under high-temperature work environment and passes
The application of sensor.
The content of the invention
A kind of resistant to elevated temperatures temperature sensor that the purpose of the present invention is in view of the shortcomings of the prior art and provided, the present invention
Using high temperature resistant, the ceramic material slider of high-insulativity, and make thermistor chip and the cored wire with armored pipes line
Reasonably it is installed in slider, improves the resistance to extreme temperature of the present invention, overcome temperature sensor under high-temperature work environment
Easily burn, damage, functional reliability is low and the volatile genuine defect of data.
Realizing the concrete technical scheme of the object of the invention is：
A kind of resistant to elevated temperatures temperature sensor, its feature include thermistor chip, slider, case, armored pipes and tail
Portion's cable, the thermistor chip are provided with two cored wires, and one end of armored pipes is provided with two cored wire jacks, and case is one end
The cylindrical drum of closing, its openend are provided with step, and slider is fastened by the first semicircle housing and the second semicircle housing and formed, its
In, one section of convex tendon is provided with the first semi circular shells body vertically, one section of groove, the first semicircle are provided with vertically in the second semi circular shells body
After housing and the second semicircle housing fasten, the section of slider is simultaneously divided into two cavitys by convex tendon and engagement vertically；
Two cored wire jacks of described armored pipes one end located at the both sides of slider inner convex rib or groove, armored pipes it is another
End is welded with tail cable, and thermistor chip is in slider, and two piece cored wires of two cored wires respectively with armored pipes are inserted
Eyelet welding connects, and case spiral-lock is in the outside of slider, and the step on case and armored pipes grafting；Described slider is ceramic material
Material makes；Described case makes for stainless steel material.
The present invention makes thermistor chip and and armour using high temperature resistant, the ceramic material slider of high-insulativity
The cored wire of tubulature line is reasonably installed in slider, is improved the resistance to extreme temperature of the present invention, is overcome temperature sensor and exist
Easily burn, damage under high-temperature work environment, functional reliability is low and the volatile genuine defect of data.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of slider；
Fig. 3 is the schematic cross-section of the first semicircle housing of slider；
Fig. 4 is the schematic cross-section of the second semicircle housing of slider.
Embodiment
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the present invention includes thermistor chip 1, slider 2, case 3, armored pipes 4 and tail
Portion's cable 5, the thermistor chip 1 are provided with two cored wires 11, and one end of armored pipes 4 is provided with two cored wire jacks 41, cover
Shell 3 is the cylindrical drum of one end closing, and its openend is provided with step 31, and slider 2 is by the first semicircle housing 21 and the second semi circular shells
Body 22 is fastened and formed, wherein, the interior edge of the first semicircle housing 21 is axially arranged with one section of convex tendon 211, the interior edge axle of the second semicircle housing 22
To provided with one section of groove 221, after the first semicircle housing 21 and the second semicircle housing 22 fasten, convex tendon 211 engages simultaneously with groove 221
The section of slider 2 is divided into two cavitys vertically；
Two cored wire jacks 41 of described one end of armored pipes 4 are located at slider（2）The both sides of inner convex rib 211 or groove 221,
The other end of armored pipes 4 welds with tail cable 5, thermistor chip 1 in the slider 2, and two cored wires 11 respectively with
Two cored wire jacks 41 of armored pipes 4 weld, and the spiral-lock of case 3 is in the outside of slider 2, and step 31 and armouring on case 3
The grafting of pipe 4；Described slider 2 is ceramic material；Described case 3 makes for stainless steel material.
Embodiment：
The assembling of the present invention：
Refering to Fig. 1, Fig. 2, Fig. 3, Fig. 4, because the slider 2 of the present invention is by the first semicircle housing 21 and the second semicircle housing
22 fasten and form, wherein, the interior edge of the first semicircle housing 21 is axially arranged with one section of convex tendon 211, in the second semicircle housing 22 vertically
Provided with one section of groove 221, after the first semicircle housing 21 and the second semicircle housing 22 fastening, convex tendon 211 engages simultaneously with groove 221
The section of slider 2 is divided into two cavitys vertically, and another section of convex tendon 211 or groove 221 is not provided with slider 2
It is maintained as a cavity, as thermistor chip chamber；
During assembling, two piece cored wire jacks 41 of two cored wires 11 of thermistor chip 1 respectively with the one end of armored pipes 4 are welded
Connect；The other end of armored pipes 4 and tail cable 5 are welded；Thermistor chip 1 is located to the thermistor chip of slider 2
Intracavitary, two cored wires 11 after welding and two cored wire jacks 41 are respectively arranged on two chambers that slider 2 separated by convex tendon 211
In vivo；First semicircle housing 21 and the second semicircle housing 22 are fastened, make convex tendon 211 in the first semicircle housing 21 and the second half
Groove 221 in round casing 22 engages；Finally by the spiral-lock of case 3 in the outside of slider 2, and step 31 and armour on case 3
The grafting of tubulature 4, the present invention install.
The use of the present invention：
Refering to Fig. 1, Fig. 2, by the end of case 3 provided with thermistor chip 1, being installed on equipment needs to detect the portion of temperature
Position, the tail cable 5 of sensor is connected with electrical control instrument, obtains temperature sensor by thermistor chip 1, and pass through
The change of its resistance value is transferred to electrical control instrument, you can obtains the temperature at detected position, electrical control instrument is according to this
Operation of the temperature to equipment sends corresponding instruction, realizes detection and control of the present invention under high ambient conditions to device temperature
System.
The slider 2 of the present invention is burnt cast-type by ceramic material, and case 3 is not only had by stainless steel material drawing and forming
It is rational in infrastructure, assembling is simple and convenient, reduces the advantages of manufacturing cost, and ceramic material and stainless steel material are respectively provided with high temperature ring
The advantages of stability of material is good under border so that the reliability of product is improved.
Claims (1)
1. a kind of resistant to elevated temperatures temperature sensor, it is characterised in that it includes thermistor chip（1）, slider（2）, case
（3）, armored pipes（4）And tail cable（5）, the thermistor chip（1）It is provided with two cored wires（11）, armored pipes（4）'s
One end is provided with two cored wire jacks（41）, case（3）For the cylindrical drum of one end closing, its openend is provided with step（31）, isolation
Body（2）By the first semicircle housing（21）And the second semicircle housing（22）Fastening forms, wherein, the first semicircle housing（21）Interior edge axle
To provided with one section of convex tendon（211）, the second semicircle housing（22）Interior edge is axially arranged with one section of groove（221）, the first semicircle housing
（21）And the second semicircle housing（22）After fastening, convex tendon（211）With groove（221）Engage and by slider（2）The section along axle
To being divided into two cavitys；
The armored pipes（4）Two cored wire jacks of one end（41）Located at slider（2）Inner convex rib（211）Or groove（221）'s
Both sides, armored pipes（4）The other end and tail cable（5）Welding, thermistor chip（1）Located at slider（2）It is interior, and two
Cored wire（11）Respectively with armored pipes（4）Two cored wire jacks（41）Welding, case（3）Spiral-lock is in slider（2）Outside, and
Case（3）On step（31）With armored pipes（4）Grafting；Wherein：
The slider（2）For ceramic material；The case（3）Made for stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912022.XA CN105387946B (en) | 2015-12-11 | 2015-12-11 | A kind of resistant to elevated temperatures temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912022.XA CN105387946B (en) | 2015-12-11 | 2015-12-11 | A kind of resistant to elevated temperatures temperature sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105387946A CN105387946A (en) | 2016-03-09 |
| CN105387946B true CN105387946B (en) | 2018-02-23 |
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ID=55420489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510912022.XA Active CN105387946B (en) | 2015-12-11 | 2015-12-11 | A kind of resistant to elevated temperatures temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387946B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2045108U (en) * | 1989-03-03 | 1989-09-27 | 张殿生 | Precision armored thermal resistance |
| US4929092A (en) * | 1987-06-12 | 1990-05-29 | Mitsubishi Jukogyo Kabushiki Kaisha | Resistance temperature detector |
| JP2618562B2 (en) * | 1992-06-01 | 1997-06-11 | 東京瓦斯株式会社 | Explosion-proof end of corrugated metal tube-coated inorganic insulated cable |
| CN1657891A (en) * | 2005-03-04 | 2005-08-24 | 孙文忠 | Built-in armoured Pt thermal resistance and its manufacturing method |
| CN102235914A (en) * | 2010-04-30 | 2011-11-09 | 台达电子工业股份有限公司 | Temperature sensing module and auxiliary fixed seat body thereof |
| CN203893950U (en) * | 2014-06-03 | 2014-10-22 | 深圳市东河仪表有限公司 | Temperature sensor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7740403B2 (en) * | 2004-02-09 | 2010-06-22 | Temperaturmesstechnik Geraberg Gmbh | High-temperature sensor |
-
2015
- 2015-12-11 CN CN201510912022.XA patent/CN105387946B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4929092A (en) * | 1987-06-12 | 1990-05-29 | Mitsubishi Jukogyo Kabushiki Kaisha | Resistance temperature detector |
| CN2045108U (en) * | 1989-03-03 | 1989-09-27 | 张殿生 | Precision armored thermal resistance |
| JP2618562B2 (en) * | 1992-06-01 | 1997-06-11 | 東京瓦斯株式会社 | Explosion-proof end of corrugated metal tube-coated inorganic insulated cable |
| CN1657891A (en) * | 2005-03-04 | 2005-08-24 | 孙文忠 | Built-in armoured Pt thermal resistance and its manufacturing method |
| CN102235914A (en) * | 2010-04-30 | 2011-11-09 | 台达电子工业股份有限公司 | Temperature sensing module and auxiliary fixed seat body thereof |
| CN203893950U (en) * | 2014-06-03 | 2014-10-22 | 深圳市东河仪表有限公司 | Temperature sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387946A (en) | 2016-03-09 |
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