CN203444793U - Temperature-sensing protection cable - Google Patents
Temperature-sensing protection cable Download PDFInfo
- Publication number
- CN203444793U CN203444793U CN201320594384.5U CN201320594384U CN203444793U CN 203444793 U CN203444793 U CN 203444793U CN 201320594384 U CN201320594384 U CN 201320594384U CN 203444793 U CN203444793 U CN 203444793U
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- temperature
- cable
- sensing
- stainless steel
- layer
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Abstract
A temperature-sensing protection cable of the utility model comprises a temperature-sensing wire group, conductors, an aramid yarn layer, an insulating layer, a stainless steel braiding and armoring layer and a flame retardant cladding layer. The temperature-sensing wire group comprises a temperature-sensing element and a stainless steel flexible pipe sheath sleeved on the outside of the temperature-sensing element, the conductors are a combined cluster of the plurality of conductors and are arranged at the middle parts of the temperature-sensing protection cable, and the temperature-sensing wire group is arranged in the center of the combined cluster of the conductors. The aramid yarn layer is wrapped at the peripheral side of the conductors, the insulating layer is wrapped on the peripheral side of the aramid yarn layer, the stainless steel braiding and armoring layer is wrapped on the peripheral side of insulating layer, and the flame retardant cladding layer is wrapped on the peripheral side of the stainless steel braiding and armoring layer. When the temperature-sensing protection cable is used, and the temperature rise is overhigh, a superior power is cut off, and the temperature-sensing cable is power off, so that by the protection measures, the cable fire hazard accidents can completely eradicated, and the cable can be prevented from aging in advance due to the severe overheating of the cable.
Description
Technical field
The utility model relates to a kind of electric wire, relates in particular to a kind of temperature-sensitive protection cable.
Background technology
At present; electric wire in use causes because conductor temperature is too high that the problem of electrical fire accident does not well solve all the time both at home and abroad; in some important electricity consumption place, also can only lean on passively use not prolong the problem that combustion cable solves Cable Firing Accident; because cable fire is mostly that arc discharge causes; arc discharge current ratio metallic short circuit electric current is little; protective relaying device does not often trip; can not cut off the electricity supply in time; cause Cable Firing Accident to occur repeatedly, to people's lives and properties, brought serious threat.
Summary of the invention
The utility model discloses a kind of temperature-sensitive protection cable, and when the temperature rise of cable reaches certain value, energy automatic cut-off power protection switch, avoids the generation of Cable Firing Accident.
For achieving the above object, the utility model is a kind of temperature-sensitive protection cable, comprise temp.-sensing wire group, electric conductor, aramid fiber layer, insulating barrier, stainless steel braiding armour and fire-retardant coating layer, described temp.-sensing wire group comprises that temperature-sensing element and cover protect the stainless steel soft tube boot in temperature-sensing element outside, described electric conductor is many electric conductor combinations bunch, be arranged on the medium position of temperature-sensitive protection cable, described temp.-sensing wire group is arranged on described electric conductor combination Cu center, described aramid fiber layer is coated on all sides of described electric conductor, described insulating barrier is coated on all sides of described aramid fiber layer, described stainless steel braiding armour is coated on all sides of described insulating barrier, described fire-retardant coating layer is coated on all sides of described stainless steel braiding armour, described temperature-sensing element can be thermocouple, also can be other temperature-sensing element, this temperature-sensing element in use can be converted to the signal of telecommunication by cable temperature rise signal and control the break-make of higher level's power protection switch.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of temperature-sensitive protection of the utility model cable.
Embodiment
As shown in Figure 1, a kind of temperature-sensitive protection cable, comprise temp.-sensing wire group, electric conductor 1, aramid fiber layer 4, insulating barrier 5, stainless steel braiding armour 6 and fire-retardant coating layer 7, described temp.-sensing wire group comprises that temperature-sensing element 2 and cover protect the stainless steel soft tube boot 3 in temperature-sensing element outside, the combination bunch that described electric conductor 1 is many electric conductors, be arranged on the middle part of temperature-sensitive protection cable, described temp.-sensing wire group is arranged on described electric conductor combination Cu center, described aramid fiber layer 4 is coated on all sides of electric conductor 1, described insulating barrier 5 is coated on all sides of aramid fiber layer 4, described stainless steel braiding armour 6 is coated on all sides of insulating barrier 5, described fire-retardant coating layer 7 is coated on all sides of stainless steel braiding armour 6, described temperature-sensing element 2 can be thermocouple, also can be other temperature-sensing element, this temperature-sensing element in use can be converted to the signal of telecommunication by cable temperature rise signal and control the break-make of higher level's power protection switch, when temperature sensing cable is when in use temperature rise is too high, the signal of telecommunication of temperature-sensing element output can disconnect higher level's power protection switch and make cable power-off, this safeguard measure not only can be stopped Cable Firing Accident, can also prevent the serious overheated cable premature aging causing of cable, especially, increased the stainless steel soft tube boot of temp.-sensing wire group, make the shock resistance of temperature-sensitive protection cable and temp.-sensing wire group, counter-bending, anti-extrusion and stretch-proof performance is guaranteed, dependability and the useful life of temperature-sensitive protection cable have been improved.
Claims (2)
1. a temperature-sensitive is protected cable, comprise temp.-sensing wire group, electric conductor, aramid fiber layer, insulating barrier, stainless steel braiding armour and fire-retardant coating layer, described temp.-sensing wire group comprises the stainless steel soft tube boot in temperature-sensing element and outside, described electric conductor is the combination bunch of many electric conductors, described electric conductor is arranged on the medium position of temperature-sensitive protection cable, described aramid fiber layer is coated on all sides of described electric conductor, described insulating barrier is coated on all sides of described aramid fiber layer, described stainless steel braiding armour is coated on all sides of described insulating barrier, described fire-retardant coating layer is coated on all sides of described stainless steel braiding armour.
2. temperature-sensitive protection cable according to claim 1, is characterized in that: described temp.-sensing wire group is arranged on the center of described electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594384.5U CN203444793U (en) | 2013-09-19 | 2013-09-19 | Temperature-sensing protection cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320594384.5U CN203444793U (en) | 2013-09-19 | 2013-09-19 | Temperature-sensing protection cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203444793U true CN203444793U (en) | 2014-02-19 |
Family
ID=50095821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320594384.5U Expired - Fee Related CN203444793U (en) | 2013-09-19 | 2013-09-19 | Temperature-sensing protection cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203444793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654687A (en) * | 2021-06-19 | 2021-11-16 | 广州欧纳电子科技有限公司 | Cable type temperature observation chain |
-
2013
- 2013-09-19 CN CN201320594384.5U patent/CN203444793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654687A (en) * | 2021-06-19 | 2021-11-16 | 广州欧纳电子科技有限公司 | Cable type temperature observation chain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140219 Termination date: 20160919 |