CN204029452U - A kind of fire-resistant lv power cable - Google Patents
A kind of fire-resistant lv power cable Download PDFInfo
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- CN204029452U CN204029452U CN201420368715.8U CN201420368715U CN204029452U CN 204029452 U CN204029452 U CN 204029452U CN 201420368715 U CN201420368715 U CN 201420368715U CN 204029452 U CN204029452 U CN 204029452U
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- power cable
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Abstract
The utility model discloses a kind of fire-resistant lv power cable, comprise at least one core, separator, crosslinked polyethylene composite insulation layer that every core is coated successively by conductor and outside thereof form; Core is combined and is put or stranded bunchy formation cable core, cable core is wrapped with low-smoke non-halogen flame-retardant twining package tape, between low-smoke non-halogen flame-retardant twining package tape and cable core, be provided with high temperature resistant type packing and form packed layer, low-smoke non-halogen flame-retardant twining package tape is wrapped with anticorrosive coat, water-absorbing resin layer, external sheath layer.The utility model compact conformation, reasonable, and the technological process of manufacturing is simple, and technological process is simple, the performances such as its cost is low, volume is little, lightweight, fire resistance period is long, refractory temperature is high, and there is good softness, antiseptic property, the anti-performance of waterproof, pollution-free, the life-span is long.
Description
technical field:
The utility model relates to power cable, relates in particular to a kind of fire-resistant lv power cable.
background technology:
The modern life is more and more to the dependence of electric power, and in modern building, the circuit that cable is carried as electric power is indispensable, but more and more higher to the requirement of security performance in the time of the selection of cable.Occur after fire casualty in building, due to non-fire-resisting cable or the not high cable of fire resistance rating, often occur power breakdown in the short time, cause personnel escape's difficulty.Current fire-resisting cable is because antiseptic property is poor, waterproof and dampproof performance weakness, refractory temperature is not high, and fire resistance period falls short of, the continuous firing under the adverse circumstances such as high temperature, corrosivity is strong, moist that affects cable, these all can bring larger difficulty to rescue work.
utility model content:
In order to make up prior art problem, the purpose of this utility model is to provide a kind of fire-resistant lv power cable, has the performances such as cost is low, volume is little, lightweight, fire resistance period is long, refractory temperature is high, and there is good softness, antiseptic property, the anti-performance of waterproof, pollution-free, the life-span is long.
The technical solution of the utility model is as follows:
Fire-resistant lv power cable, is characterized in that: comprise at least one core, separator, crosslinked polyethylene composite insulation layer that every core is coated successively by conductor and outside thereof form; Described core is combined and is put or stranded bunchy formation cable core, cable core is wrapped with low-smoke non-halogen flame-retardant twining package tape, between low-smoke non-halogen flame-retardant twining package tape and cable core, be provided with high temperature resistant type packing and form packed layer, low-smoke non-halogen flame-retardant twining package tape is wrapped with anticorrosive coat, water-absorbing resin layer, external sheath layer.
Described fire-resistant lv power cable, is characterized in that: described separator adopts the wrapped formation of two-layer synthetic mica tape.
Described fire-resistant lv power cable, is characterized in that: described external sheath layer adopts 90 DEG C of halogen-free and low-smoke flame-retardant polyolefin sheathed material extrusion moulding of heatproof.
Described fire-resistant lv power cable, is characterized in that: described core radical is 1 ~ 5.
Described fire-resistant lv power cable, is characterized in that: described anticorrosive coat adopts the macromolecular material extrusion moulding of acid and alkali-resistance, oil resistant, and its thickness is generally 0.2 ~ 1.8mm.
Described fire-resistant lv power cable, is characterized in that: described water-absorbing resin layer adopts the wrapped or extrusion moulding of absorbing resin material, and its thickness is generally 0.15 ~ 2.0mm.
The beneficial effects of the utility model are as follows:
(1) the utility model compact conformation, reasonable, and the technological process of manufacturing is simple, save filling, copper sheath, the drawing of some conventional mineral insulated cables or extruded and the highly difficult technological process such as can ceramic silicon rubber have extruded, the performances such as its cost is low, volume is little, lightweight, fire resistance period is long, refractory temperature is high, and there is good softness, pollution-free, the life-span is long.
(2) conductor described in the utility model has good flexibility, and monofilament annealing fully, adopts the conductor of non-pinch mechanism when design, reduce the internal stress of conductor.
(3) conductor of the utility model cable is outer adopts double-deck synthetic mica tape overlapping wrapped, and the temperature resistant grade of this mica tape can reach 1000 degree, ensures the cable normal power-up effect under fire.
(4) insulating barrier of cable described in the utility model adopts crosslinked polyethylene composite insulating material, this material has that temperature resistant grade is high, electrical insulation properties good, mechanical performance is excellent, cable is large at flow, manufacture the features such as simple and convenient, and there is charing, crust phenomenon in this insulating material after burning, it is high that it has refractory temperature, water resistance is good, mechanical performance strong etc. feature.
(5) the employing high temperature resistant type packing of the utility model cable, it has that temperature resistant grade is high, fire resistance good and the feature such as low smoke and zero halogen is nontoxic, under fire condition, is convenient to personnel escape.
(6) oversheath of the utility model cable adopts 90 DEG C of halogen-free and low-smoke flame-retardant polyolefin sheathed material of heatproof, and this material has advantages of low-smoke non-halogen flame-retardant low toxicity.
(7) the utility model adopts the anticorrosive coat of the macromolecular material extrusion moulding of acid and alkali-resistance, oil resistant to have good opposing effect to acid and alkali corrosion, oil corrosion etc., has effectively protected cable core.
(8) the wrapped or extrusion moulding of the utility model absorbing resin material, a kind of new functional macromolecule material of water-absorbing resin, it has the high absorbent function of the heavy hundreds of of absorptance self to several thousand times of water, and water retention property is good, become hydrogel once imbibition, even if pressurization is also difficult to water to separate, improve the waterproof and dampproof function of cable.
brief description of the drawings:
Fig. 1 is structural representation of the present utility model.
embodiment:
Referring to accompanying drawing:
Fire-resistant lv power cable, comprises at least one core, and separator 2, crosslinked polyethylene composite insulation layer 3 that every core is coated successively by conductor 1 and outside thereof form; Core is combined and is put or stranded bunchy formation cable core, cable core is wrapped with low-smoke non-halogen flame-retardant twining package tape 4, between low-smoke non-halogen flame-retardant twining package tape 4 and cable core, be provided with high temperature resistant type packing and form packed layer 5, low-smoke non-halogen flame-retardant twining package tape is wrapped with anticorrosive coat 6, water-absorbing resin layer 7, external sheath layer 8.
Separator 2 adopts the wrapped formation of two-layer synthetic mica tape, has improved resistance to elevated temperatures, and the temperature resistant grade of mica tape can reach 1000 degree, ensures the cable normal power-up effect under fire.
External sheath layer 8 adopts 90 DEG C of halogen-free and low-smoke flame-retardant polyolefin sheathed material extrusion moulding of heatproof.
Core radical is 1 ~ 5.
Anticorrosive coat 6 adopts the macromolecular material extrusion moulding of acid and alkali-resistance, oil resistant, and its thickness is generally 0.2 ~ 1.8mm.
Water-absorbing resin layer 7 adopts the wrapped or extrusion moulding of absorbing resin material, its thickness is generally 0.15 ~ 2.0mm, a kind of new functional macromolecule material of water-absorbing resin, it has the high absorbent function of the heavy hundreds of of absorptance self to several thousand times of water, and water retention property is good, become hydrogel once imbibition, even if pressurization is also difficult to water to separate.
The utility model adopts crosslinked polyethylene composite insulating material to extrude at cable, main because due to crosslinked polyethylene composite insulating material during normal use, its temperature resistant grade is high, electrical insulation properties good, mechanical performance is excellent, cable is large at flow, manufacture the features such as simple and convenient, and there is charing, crust phenomenon in this insulating material after burning, it is high that it has refractory temperature, water resistance is good, mechanical performance strong etc. feature.Make cable in the situation that catching fire, within considerable time, ensure that cable can normally move.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range, referring to claim, within protection range of the present utility model, can be done any type of amendment.
Claims (6)
1. a fire-resistant lv power cable, is characterized in that: comprise at least one core, separator, crosslinked polyethylene composite insulation layer that every core is coated successively by conductor and outside thereof form; Described core is combined and is put or stranded bunchy formation cable core, cable core is wrapped with low-smoke non-halogen flame-retardant twining package tape, between low-smoke non-halogen flame-retardant twining package tape and cable core, be provided with high temperature resistant type packing and form packed layer, low-smoke non-halogen flame-retardant twining package tape is wrapped with anticorrosive coat, water-absorbing resin layer, external sheath layer.
2. fire-resistant lv power cable according to claim 1, is characterized in that: described separator adopts the wrapped formation of two-layer synthetic mica tape.
3. fire-resistant lv power cable according to claim 1, is characterized in that: described external sheath layer adopts 90 DEG C of halogen-free and low-smoke flame-retardant polyolefin sheathed material extrusion moulding of heatproof.
4. fire-resistant lv power cable according to claim 1, is characterized in that: described core radical is 1 ~ 5.
5. fire-resistant lv power cable according to claim 1, is characterized in that: described anticorrosive coat adopts the macromolecular material extrusion moulding of acid and alkali-resistance, oil resistant, and its thickness is 0.2 ~ 1.8mm.
6. fire-resistant lv power cable according to claim 1, is characterized in that: described water-absorbing resin layer adopts the wrapped or extrusion moulding of absorbing resin material, and its thickness is 0.15 ~ 2.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368715.8U CN204029452U (en) | 2014-07-04 | 2014-07-04 | A kind of fire-resistant lv power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368715.8U CN204029452U (en) | 2014-07-04 | 2014-07-04 | A kind of fire-resistant lv power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204029452U true CN204029452U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420368715.8U Expired - Fee Related CN204029452U (en) | 2014-07-04 | 2014-07-04 | A kind of fire-resistant lv power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204029452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986963A (en) * | 2018-07-23 | 2018-12-11 | 安徽成力特科技有限公司 | A kind of power cable with cross-linked polyethylene insulation and preparation method thereof |
-
2014
- 2014-07-04 CN CN201420368715.8U patent/CN204029452U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986963A (en) * | 2018-07-23 | 2018-12-11 | 安徽成力特科技有限公司 | A kind of power cable with cross-linked polyethylene insulation and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The economic and Technological Development Zone in Anhui province Tongling City Road 244000 No. 1151 Patentee after: The crown of the new Mstar Technology Ltd Address before: The economic and Technological Development Zone in Anhui province Tongling City Road 244000 No. 1151 Patentee before: Tongling Zhongguan Cable Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20180704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |