CN209657875U - A kind of high temperature-resistant cable that can voluntarily adjust temperature - Google Patents
A kind of high temperature-resistant cable that can voluntarily adjust temperature Download PDFInfo
- Publication number
- CN209657875U CN209657875U CN201920320621.6U CN201920320621U CN209657875U CN 209657875 U CN209657875 U CN 209657875U CN 201920320621 U CN201920320621 U CN 201920320621U CN 209657875 U CN209657875 U CN 209657875U
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- CN
- China
- Prior art keywords
- high temperature
- resistant
- temperature
- cable
- temperature resistant
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of high temperature-resistant cables that can voluntarily adjust temperature, insulated wire cores including three in triangle setting, every insulated wire cores are by conductor, the insulating layer being extruded in outside conductor and the insulating tape of resistance to temperature outside insulating layer are constituted, three insulated wire cores are at cable core, wrapped high temperature resistant band outside cable core, high temperature resistant sheath is extruded outside high temperature resistant band, four high temperature resistant hollow out insulation tubes are placed in the gap of cable core and high temperature resistant band, high temperature resistant temperature sensing material stick is installed in wherein at least two high temperature resistant hollow out insulation tubes, packing material is filled in gap, and compactedness is no more than 70%；Two ends of cable, the cable core external connection nitrogen gas generator of one end, the exposed atmosphere in cable core outside of the other end, high temperature resistant temperature sensing material stick connect current detecting equipment.Using the design of the utility model, the temperature of cable can be timely monitored, prevents cable temperature excessively high and leads to the lost of life.
Description
Technical field
This patent is related to a kind of high temperature-resistant cable, especially a kind of high temperature-resistant cable that can voluntarily adjust temperature.
Background technique
With various developments of resources and the development of science and technology, it is also required in some hot environments using cable, it is general to use
Insulating sheath material resistant to high temperature is met the requirements.But in cable in use, when can not monitor the use of cable in time
Actual temperature, and cable using when temperature directly affect the aging speed of insulating sheath material, aging speed also just determines
The service life of cable.
Utility model content
Goal of the invention: it utility model aims to solve existing cable is in use, can not monitor in time
The actual temperature when use of cable, and cable using when temperature directly affect the aging speed of insulating sheath material and ask
Topic.
Technical solution: to achieve the above object, the utility model uses following technical scheme:
A kind of high temperature-resistant cable that can voluntarily adjust temperature, the insulated wire cores including three in triangle setting, every eradication edge
Core by conductor, be extruded in the insulating layer outside conductor and the insulating tape of resistance to temperature outside insulating layer is constituted, three thoroughly do away with edge
Core is at cable core, wrapped high temperature resistant band outside cable core, high temperature resistant sheath is extruded outside high temperature resistant band, in the gap of cable core and high temperature resistant band
Four high temperature resistant hollow out insulation tubes of middle placement install high temperature resistant temperature sensing material in wherein at least two high temperature resistant hollow out insulation tubes
Stick fills packing material in gap, and compactedness is no more than 70%；Two ends of cable, the cable core external connection nitrogen of one end
Gas generator, the exposed atmosphere in cable core outside of the other end, high temperature resistant temperature sensing material stick connect current detecting equipment.
Further, conductor is annealing copper conductor, and using circular configuration is pressed, conductor compacting coefficient is greater than 0.94.
Further, insulating layer uses fluoroplastic insulation layer, with a thickness of 0.4-2.0mm.
Further, the insulating tape of resistance to temperature uses fluorophlogopite belt, and with a thickness of 0.10mm, two superimposed is wrapped, Duplication
Not less than 30%.
Further, high temperature resistant hollow out insulation tube uses silicone rubber tube, and caliber is greater than temperature sensing material stick, hollow out circle on tube wall
Hole.
Universal NTC temperature sensing material stick on the market can be used now in high temperature resistant temperature sensing material stick, it is therefore desirable to use metal oxygen
Compound is blended with ceramics, and resistivity is about 104-107 Ω .m, and electric conductivity is temperature sensitive, varies with temperature and sends out
Changing.
Further, packing material uses pyroceram cord, is loosely filled in cable core gap, filling area accounts for whole
The 60-70% in a cable core gap.
Further, high temperature resistant band is pyroceram strap, and single layer is wrapped.
Further, high temperature resistant oversheath uses high-temperature-resisting silicon rubber oversheath, and thickness is between 2.5-4.5mm.
Working principle: being provided with four high temperature resistant hollow out insulation tubes in the construction of cable, wherein two internal resistance to height of setting
The temperature sensing material stick of temperature, when the temperature is changed, the electric conductivity of temperature sensing material stick changes, the electric current hair of current detecting equipment
Raw significant change is passed through nitrogen into four high temperature resistant hollow out insulation tubes from one end, and nitrogen passes through high temperature resistant hollow out insulation tube
Middle circular hole is distributed in the surrounding of cable insulation, absorbs heat, is discharged from the other end of cable, takes away heat, reduce the temperature of cable
Degree is in cable in the use scope of safety.
The utility model has the advantages that the utility model is compared with prior art:
Hollow out circular hole on high temperature resistant hollow out insulation tube wall, the runner of nitrogen when becoming cooling, the nitrogen with cable socket
Generator cooperation, timely can make regulation to the temperature of cable conductor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the utility model high temperature resistant hollow out insulation tube wall.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawings and detailed description.
A kind of high temperature-resistant cable that can voluntarily adjust temperature, the insulated wire cores including three in triangle setting, every eradication edge
Core is made of conductor 1, the insulating layer being extruded in outside conductor 2 and the insulating tape of resistance to temperature outside insulating layer 3, and three thoroughly do away with
Edge core is at cable core, wrapped high temperature resistant band 7 outside cable core, high temperature resistant sheath 8 is extruded outside high temperature resistant band 7, in cable core and high temperature resistant band 6
Gap in place four high temperature resistant hollow out insulation tubes 4, high temperature resistant temperature is installed in wherein at least two high temperature resistant hollow out insulation tubes 4
Quick material bar 5 fills packing material 6 in gap, and compactedness is no more than 70%；Two ends of cable, outside the cable core of one end
Portion connects nitrogen gas generator (not shown), and exposed atmosphere outside the cable core of the other end, 5 stick of high temperature resistant temperature sensing material connects electric current inspection
Measurement equipment (not shown).
Conductor 1 is annealing copper conductor, and using circular configuration is pressed, conductor compacting coefficient is greater than 0.94.
Insulating layer 2 uses fluoroplastic insulation layer, with a thickness of 0.4-2.0mm.
The insulating tape of resistance to temperature 3 uses fluorophlogopite belt, and with a thickness of 0.10mm, two superimposed is wrapped, and Duplication is not less than
30%.
High temperature resistant hollow out insulation tube 4 uses silicone rubber tube, and caliber is greater than temperature sensing material stick, hollow out circular hole 42 on tube wall.
Universal NTC temperature sensing material stick on the market can be used now in high temperature resistant temperature sensing material stick, it is therefore desirable to use metal oxygen
Compound is blended with ceramics, and resistivity is about 104-107 Ω .m, and electric conductivity is temperature sensitive, varies with temperature and sends out
Changing.
Packing material 6 uses pyroceram cord, is loosely filled in cable core gap, filling area accounts between entire cable core
The 60-70% of gap.
High temperature resistant band 7 is pyroceram strap, and single layer is wrapped.
High temperature resistant oversheath 8 uses high-temperature-resisting silicon rubber oversheath, and thickness is between 2.5-4.5mm.
Four high temperature resistant hollow out insulation tubes 4 are provided in the construction of cable, wherein the temperature sensitive of high temperature resistant 4 is arranged in two inside
Material bar 5, when the temperature is changed, the electric conductivity of temperature sensing material stick 5 change, and the electric current of current detecting equipment occurs obvious
Variation is passed through nitrogen, the hollow out circle that nitrogen passes through high temperature resistant hollow out insulation tube 4 into four high temperature resistant hollow out insulation tubes from one end
Hole 42 is distributed in the surrounding of cable insulation, absorbs heat, is discharged from the other end of cable, takes away heat, reduce the temperature of cable,
It is in cable in the use scope of safety.
Claims (8)
1. a kind of high temperature-resistant cable that can voluntarily adjust temperature, it is characterised in that: the insulated wire cores being arranged including three in triangle,
Every insulated wire cores by conductor, be extruded in the insulating layer outside conductor and the insulating tape of resistance to temperature outside insulating layer is constituted,
Three insulated wire cores are at cable core, wrapped high temperature resistant band outside cable core, high temperature resistant sheath extruded outside high temperature resistant band, in cable core and high temperature resistant
Four high temperature resistant hollow out insulation tubes are placed in the gap of band, and high temperature resistant temperature is installed in wherein at least two high temperature resistant hollow out insulation tubes
Quick material bar fills packing material in gap, and compactedness is no more than 70%；Two ends of cable, outside the cable core of one end
Nitrogen gas generator, exposed atmosphere outside the cable core of the other end are connected, high temperature resistant temperature sensing material stick connects current detecting equipment.
2. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: conductor is led for annealed copper
Body, using circular configuration is pressed, conductor compacting coefficient is greater than 0.94.
3. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: insulating layer is moulded using fluorine
Insulating layer is expected, with a thickness of 0.4-2.0mm.
4. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: the insulating tape of resistance to temperature is adopted
With fluorophlogopite belt, with a thickness of 0.10mm, two superimposed is wrapped, and Duplication is not less than 30%.
5. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: the insulation of high temperature resistant hollow out
Pipe uses silicone rubber tube, and caliber is greater than temperature sensing material stick, hollow out circular hole on tube wall.
6. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: packing material is using resistance to
High temp glass cord is loosely filled in cable core gap, and filling area accounts for the 60-70% in entire cable core gap.
7. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: high temperature resistant band is resistance to height
Warm glass cloth tape, single layer are wrapped.
8. the high temperature-resistant cable according to claim 1 that can voluntarily adjust temperature, it is characterised in that: high temperature resistant oversheath is adopted
With high-temperature-resisting silicon rubber oversheath, thickness is between 2.5-4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320621.6U CN209657875U (en) | 2019-03-14 | 2019-03-14 | A kind of high temperature-resistant cable that can voluntarily adjust temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320621.6U CN209657875U (en) | 2019-03-14 | 2019-03-14 | A kind of high temperature-resistant cable that can voluntarily adjust temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209657875U true CN209657875U (en) | 2019-11-19 |
Family
ID=68526993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920320621.6U Expired - Fee Related CN209657875U (en) | 2019-03-14 | 2019-03-14 | A kind of high temperature-resistant cable that can voluntarily adjust temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209657875U (en) |
-
2019
- 2019-03-14 CN CN201920320621.6U patent/CN209657875U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20200314 |