CN206849571U - A kind of automatic fire prevention cable - Google Patents
A kind of automatic fire prevention cable Download PDFInfo
- Publication number
- CN206849571U CN206849571U CN201720606904.8U CN201720606904U CN206849571U CN 206849571 U CN206849571 U CN 206849571U CN 201720606904 U CN201720606904 U CN 201720606904U CN 206849571 U CN206849571 U CN 206849571U
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- China
- Prior art keywords
- heat
- conducting layer
- cable
- air cavity
- heating column
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- 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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Abstract
A kind of automatic fire prevention cable is the utility model is related to, includes the first heat-conducting layer of annular；More electric wires are provided with the space that first heat-conducting layer encloses；The space between each electric wire in first heat-conducting layer is filled with Heat Conduction Material；The second heat-conducting layer is arranged with outside first heat-conducting layer；Air cavity is formed between second heat-conducting layer and the first heat-conducting layer；It is filled with the air cavity by the pulverulent solids for being thermally generated carbon dioxide；The pulverulent solids are bicarbonate, and decomposition temperature is 300 ° 400 °；Longitudinally along the cable, spacing is provided with multiple annular sealing cut-offs in the air cavity；One hollow heating column one end is stretched into the space that the first heat-conducting layer encloses, and the other end extends to the external world；The end that the hollow heating column extends to the external world is provided with the flammable envelope portion for sealing hollow heat conduction column end；The hollow heating column also connects with air cavity.
Description
Technical field
A kind of automatic fire prevention cable is the utility model is related to, belongs to field of power transmission.
Background technology
Cable has a wide range of applications in production and living, and cable is typically the class that by several or several groups of wire strandings form
Like the cable of rope, mutually insulated between every group of wire, and be often twisted into around a center, whole outside is surrounded by high-insulation
Coating.It is be erected in the air or mounted in underground, the bottom, for telecommunication or power Transmission more；When fire occurs, flame can be climing
Prolong to easy shot-firing cable on cable, and electric leakage, Danger Electric shock risk can be produced in the case where not powering off in time or being difficult to power off,
The particularly personnel of scene of fire and the disaster relief or fire fighter.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of automatic fire prevention cable.The automatic fire prevention cable can
To be automatically prevented from flame close to cable and shot-firing cable, cable leakage is effectively prevented, at the time of delaying cable leakage and occur, is ensured
Scene of fire personnel and the disaster relief or the safety of fire fighter.
The technical solution of the utility model is as follows：
A kind of automatic fire prevention cable, include the first heat-conducting layer of annular；Set in the space that first heat-conducting layer encloses
It is equipped with more electric wires；The space between each electric wire in first heat-conducting layer is filled with Heat Conduction Material；First heat-conducting layer
It is arranged with the second heat-conducting layer outside；Air cavity is formed between second heat-conducting layer and the first heat-conducting layer；Be filled with the air cavity by
It is thermally generated the pulverulent solids of carbon dioxide；The pulverulent solids are bicarbonate, and decomposition temperature is 300 ° -400 °；
Longitudinally along the cable, spacing is provided with multiple annular sealing cut-offs in the air cavity；One hollow heating column one end stretches into
In the space that one heat-conducting layer encloses, the other end extends to the external world；The end that the hollow heating column extends to the external world is provided with
Seal the flammable envelope portion of hollow heat conduction column end；The hollow heating column also connects with air cavity.
Wherein, also it is arranged with circular radiating body outside second heat-conducting layer；The circular radiating body is longitudinally along the cable
Offer multiple through holes；The circular radiating body and the second heat conduction interlamellar spacing are set；The circular radiating body and hollow heating column
Connection.
Wherein, the hollow heating column is from extending into one end of the first heat-conducting layer to the other end, reduced diameter.
The utility model has the advantages that：
1st, a kind of automatic fire prevention cable of the utility model can be automatically prevented from flame close to cable and shot-firing cable, effectively anti-
Only cable leakage, at the time of delaying cable leakage generation, ensure scene of fire personnel and the safety of the disaster relief or fire fighter.
2nd, the utility model is provided with the first heat-conducting layer, the second heat-conducting layer and air cavity, it is possible to increase the heat dispersion of cable.
3rd, the utility model is provided with hollow heating column and Heat Conduction Material, can effectively improve the heat dispersion of cable.
4th, the utility model is provided with sealing cut-off, improves the machinability of cable, prevents the gas in air cavity from leaking.
5th, the utility model is arranged on hollow heating column outer end and is provided with flammable envelope portion, first when external flame is close to cable
Flammable envelope portion is first contacted, flammable envelope portion burns or discharged the carbon dioxide and water that bicarbonate decomposites, prevents external flame
It is close, and there is certain extinguishing ability, during being burnt in flammable envelope portion, the bicarbonate powder in air cavity is thermally decomposed
Go out carbon dioxide and water, before flammable envelope portion burns, carbon dioxide is accumulated, and the pressure in air cavity constantly increases, in flammable envelope
Discharged when portion burns, effectively put out close flame, and bicarbonate powder can also constantly produce carbon dioxide,
Prevent flame from approaching.
6th, the utility model is provided with circular radiating body, effectively improves cable heat-sinking capability, and can protect hollow heating column
With flammable envelope portion.
7th, hollow heating column of the present utility model reduced diameter from inside to outside, can effectively improve gas during outlet
Pressure.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section that the utility model is vertical-rise cable length direction；
Fig. 2 is the diagrammatic cross-section of the utility model vertical-rise cable radial direction；
Fig. 3 is the schematic diagram of the flammable envelope portion of the utility model and hollow heating column.
Reference is expressed as in figure：
The heat-conducting layers of 1- first, 2- electric wires, the heat-conducting layers of 3- second, 4- air cavitys, 41- sealing cut-offs；The hollow heating columns of 5-, 51-
Flammable envelope portion, 6- circular radiatings body, 7- Heat Conduction Materials.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 3, a kind of automatic fire prevention cable, the first heat-conducting layer 1 of annular is included；First heat-conducting layer 1 encloses
More electric wires 2 are provided with the space of synthesis；The space between each electric wire 2 in first heat-conducting layer 1 is filled with heat conduction material
Material 7；The second heat-conducting layer 3 is arranged with outside first heat-conducting layer 1；Gas is formed between the heat-conducting layer 1 of second heat-conducting layer 3 and first
Chamber 4, it is possible to increase the heat dispersion of cable；It is filled with the air cavity 4 by the pulverulent solids for being thermally generated carbon dioxide；
The pulverulent solids are bicarbonate, and decomposition temperature is 300 ° -400 °；In the present embodiment, the bicarbonate uses bicarbonate
Magnesium, its decomposition temperature are 350 °, and longitudinally along the cable, spacing is provided with multiple annular sealing cut-offs 41 in the air cavity 4,
The machinability of cable is improved, prevents the gas in air cavity 4 from leaking；One hollow one end of heating column 5 is stretched into the first heat-conducting layer 1 and enclosed
Into space in, the other end extends to the external world；The end that the hollow heating column 5 extends to the external world is provided with the hollow heat conduction of sealing
The flammable envelope portion 51 of the end of post 5；The hollow heating column 5 also connects with air cavity 4, is contacted first when external flame is close to cable
Flammable envelope portion 51, flammable envelope portion 51 burn or discharged the carbon dioxide and water that bicarbonate decomposites, prevent external flame from connecing
Closely, and there is certain extinguishing ability, during being burnt in flammable envelope portion 51, heated point of the bicarbonate powder in air cavity 4
Carbon dioxide and water are solved, before flammable envelope portion 51 burns, carbon dioxide accumulation, the pressure in air cavity 4 constantly increases, can
Combustion envelope portion 51 discharges when burning, and effectively puts out close flame, and bicarbonate powder can also constantly produce titanium dioxide
Carbon gas, prevents flame from approaching.
Further, also it is arranged with circular radiating body 6 outside second heat-conducting layer 3；The circular radiating body 6 is grown along cable
Degree direction offers multiple through holes；The spacing of 6 and second heat-conducting layer of circular radiating body 3 is set；The circular radiating body 6 and sky
Heart heating column 5 connects, and effectively improves cable heat-sinking capability, and can protect hollow heating column 5 and flammable envelope portion 51.
Further, the hollow heating column 5 is gradually contracted from the one end for extending into the first heat-conducting layer 1 to the other end, diameter
It is small, it can effectively improve gas pressure during outlet.
Operation principle of the present utility model：
External flame to cable spread when, flammable envelope portion 51 contacts flame combustion, while the bicarbonate in air cavity 4 first
Powder is heated to be started to split the carbon dioxide off and water, and after flammable envelope portion 51 burns, air cavity 4 is in communication with the outside, and is accumulated in air cavity 4
Poly- carbon dioxide and water are by the outwards injection release of hollow heating column 5, effective fire extinguishing, and bicarbonate powder can not also
Disconnected generation carbon dioxide, prevents flame from approaching.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (3)
- A kind of 1. automatic fire prevention cable, it is characterised in that：Include the first heat-conducting layer (1) of annular；First heat-conducting layer (1) is enclosed More electric wires (2) are provided with the space of synthesis；The space between each electric wire (2) in first heat-conducting layer (1) is filled with Heat Conduction Material (7)；The second heat-conducting layer (3) is arranged with outside first heat-conducting layer (1)；Second heat-conducting layer (3) is led with first Air cavity (4) is formed between thermosphere (1)；It is filled with the air cavity (4) by the pulverulent solids for being thermally generated carbon dioxide；Institute It is bicarbonate to state pulverulent solids, and decomposition temperature is 300 ° -400 °；Longitudinally along the cable, the interior spacing of the air cavity (4) is set It is equipped with multiple annular sealing cut-offs (41)；The space that the first heat-conducting layer (1) encloses is stretched into one hollow heating column (5) one end Interior, the other end extends to the external world；The end that the hollow heating column (5) extends to the external world is provided with the hollow heating column (5) of sealing The flammable envelope portion (51) of end；The hollow heating column (5) also connects with air cavity (4).
- A kind of 2. automatic fire prevention cable as claimed in claim 1, it is characterised in that：Second heat-conducting layer (3) is also arranged outside There is circular radiating body (6)；The circular radiating body (6) offers multiple through holes longitudinally along the cable；The circular radiating body (6) set with the second heat-conducting layer (3) spacing；The circular radiating body (6) is connected with hollow heating column (5).
- A kind of 3. automatic fire prevention cable as claimed in claim 2, it is characterised in that：The hollow heating column (5) is by extending into One end of first heat-conducting layer (1) is to the other end, reduced diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606904.8U CN206849571U (en) | 2017-05-27 | 2017-05-27 | A kind of automatic fire prevention cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720606904.8U CN206849571U (en) | 2017-05-27 | 2017-05-27 | A kind of automatic fire prevention cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849571U true CN206849571U (en) | 2018-01-05 |
Family
ID=60797759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720606904.8U Expired - Fee Related CN206849571U (en) | 2017-05-27 | 2017-05-27 | A kind of automatic fire prevention cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849571U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979651A (en) * | 2019-04-28 | 2019-07-05 | 金杯电工衡阳电缆有限公司 | A kind of single-core medium-voltage flame-retardant fire-resistant power cable |
| CN109994276A (en) * | 2019-04-18 | 2019-07-09 | 重庆渝丰电线电缆有限公司 | A kind of unshielded high-voltage ignition cable of automobile with temperature-sensitive warning function |
| CN110299220A (en) * | 2019-07-10 | 2019-10-01 | 重庆新重煤线缆有限公司 | A kind of fire safety cable |
| CN111145950A (en) * | 2020-01-08 | 2020-05-12 | 河北万方线缆集团有限公司 | Anti-corrosion fireproof cable |
| CN111477390A (en) * | 2020-04-21 | 2020-07-31 | 卢文杰 | Fireproof cable |
| CN111768912A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | Cable with fire extinguishing function |
| CN117373739A (en) * | 2023-12-06 | 2024-01-09 | 建业电缆集团有限公司 | High-flexibility cable for wind power generation |
-
2017
- 2017-05-27 CN CN201720606904.8U patent/CN206849571U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994276A (en) * | 2019-04-18 | 2019-07-09 | 重庆渝丰电线电缆有限公司 | A kind of unshielded high-voltage ignition cable of automobile with temperature-sensitive warning function |
| CN109979651A (en) * | 2019-04-28 | 2019-07-05 | 金杯电工衡阳电缆有限公司 | A kind of single-core medium-voltage flame-retardant fire-resistant power cable |
| CN110299220A (en) * | 2019-07-10 | 2019-10-01 | 重庆新重煤线缆有限公司 | A kind of fire safety cable |
| CN111145950A (en) * | 2020-01-08 | 2020-05-12 | 河北万方线缆集团有限公司 | Anti-corrosion fireproof cable |
| CN111477390A (en) * | 2020-04-21 | 2020-07-31 | 卢文杰 | Fireproof cable |
| CN111768912A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | Cable with fire extinguishing function |
| CN111768912B (en) * | 2020-07-09 | 2021-07-27 | 安徽凌宇电缆科技有限公司 | Cable with fire extinguishing function |
| CN117373739A (en) * | 2023-12-06 | 2024-01-09 | 建业电缆集团有限公司 | High-flexibility cable for wind power generation |
| CN117373739B (en) * | 2023-12-06 | 2024-03-22 | 建业电缆集团有限公司 | High-flexibility cable for wind power generation |
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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: 20180105 Termination date: 20180527 |