CN209962750U - Copper-core fire-resistant polyvinyl chloride insulated cable - Google Patents
Copper-core fire-resistant polyvinyl chloride insulated cable Download PDFInfo
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- CN209962750U CN209962750U CN201921074721.1U CN201921074721U CN209962750U CN 209962750 U CN209962750 U CN 209962750U CN 201921074721 U CN201921074721 U CN 201921074721U CN 209962750 U CN209962750 U CN 209962750U
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Abstract
The utility model provides a fire-resistant polyvinyl chloride insulated cable of copper core relates to a wire and cable technical field. The utility model discloses an including the cable body, set up this internal leader cable of cable, set up this internal auxiliary cable at the cable, the leader cable includes the same first leader cable of structure and second leader cable, the auxiliary cable includes the same first auxiliary cable of structure and second auxiliary cable, the cable body includes that from interior to exterior in proper order the cladding has the polyethylene inner liner, first fire-retardant layer, the insulating layer, the fire-retardant layer of second, embossing metal shock resistance, first woven shield, fire-retardant inoxidizing coating, embossing steel is moulded composite band, first oversheath layer. The utility model has simple structure, can greatly reduce short circuit and reduce disaster; secondly, the fire resistance of the product is effectively improved, the fire-proof grade of the product is improved, and the application range of the product is expanded.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to a fire-resistant polyvinyl chloride insulated cable of copper core.
Background
Disasters brought to human by fire disasters are disastrous, loss is huge, and fire disaster loss is in an ascending trend along with economic development and urban construction development, so that great attention is paid to fire prevention and control at home and abroad. The cable is used as one of important generating sources and spreading sources of fire disasters, and when the cable is burnt, personnel die due to the generation of a large amount of toxic and harmful gases, equipment is damaged, and the personnel cannot evacuate timely due to serious smoke, so that disasters are affected more and more seriously.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the problems, the utility model provides a copper core fire-resistant polyvinyl chloride insulated cable, which has simple structure, can greatly reduce short circuit and disaster; secondly, the fire resistance of the product is effectively improved, the fire-proof grade of the product is improved, and the application range of the product is expanded.
In order to solve the problem, the utility model provides a fire-resistant polyvinyl chloride insulated cable of copper core, wherein, be in including cable body, setting this internal leader cable of cable, setting are in this internal auxiliary cable of cable, the leader cable includes the same first leader cable of structure and second leader cable, auxiliary cable includes the same first auxiliary cable of structure and second auxiliary cable, the cable body includes that from interior to exterior in proper order the cladding has polyethylene inner liner, first fire-retardant layer, insulating layer, the fire-retardant layer of second, embossing metal shock resistance, first braided shield layer, fire-retardant inoxidizing coating, embossing steel to mould compound area, first oversheath layer.
Preferably, the main cable comprises a copper core conductor, and a first ceramic insulating layer, a second braided shielding layer and a second outer sheath layer which are coated on the copper core conductor.
Preferably, the auxiliary cable comprises an auxiliary copper core conductor and a second ceramic insulation layer coated on the auxiliary copper core conductor.
Preferably, a plurality of aluminum hydroxide flame-retardant filler balls are uniformly distributed in the first flame-retardant layer and the second flame-retardant layer.
Preferably, the embossing metal impact-resistant layer is made of an aluminum alloy strip or an aluminum strip, the thickness of the aluminum alloy strip or the aluminum strip is 1.0mm, and the shape of the aluminum alloy strip or the aluminum strip is a wave-shaped structure.
Preferably, the heat insulation layer is made of alkali-free glass fiber tapes.
Preferably, the first outer sheath and the second outer sheath are both made of flexible polyvinyl chloride materials.
Preferably, the flame-retardant protective layer is a halogen-free low-smoke flame-retardant polyolefin sheath.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model has simple structure, can greatly reduce short circuit and reduce disaster; secondly, the fire resistance of the product is effectively improved, the fire-proof grade of the product is improved, and the application range of the product is expanded.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are not intended to limit the present invention.
As shown in fig. 1, the embodiment of the utility model discloses an it is in to include cable body, setting this internal main cable of cable, setting are in this internal auxiliary cable of cable, the main cable includes the same first main cable of structure and second main cable, the auxiliary cable includes the same first auxiliary cable of structure and second auxiliary cable, the cable body includes that from interior to exterior in proper order the cladding has polyethylene inner liner 8, first fire-retardant layer 9, insulating layer 10, the fire-retardant layer 11 of second, embossing metal shock resistance layer 12, first shielding layer 13 of weaving, fire-retardant inoxidizing coating 14, embossing steel to mould composite band 15, first oversheath layer 16.
The main cable comprises a copper core conductor 2, and a first ceramic insulating layer 3, a second braided shielding layer 4 and a second outer sheath layer 1 which are coated on the copper core conductor 2.
The auxiliary cable comprises an auxiliary copper core conductor and a second ceramic insulating layer 6 coated on the auxiliary copper core conductor.
A plurality of aluminum hydroxide flame-retardant filler balls which are uniformly distributed are arranged in the first flame-retardant layer 9 and the second flame-retardant layer 11.
The thermal insulation layer 10 is made of alkali-free glass fiber tape.
The embossing metal impact-resistant layer 12 is made of an aluminum alloy strip or an aluminum strip, the thickness of the aluminum alloy strip or the aluminum strip is 1.0mm, and the shape of the aluminum alloy strip or the aluminum strip is a wave-shaped structure.
The first outer sheath 16 and the second outer sheath 1 are both made of flexible polyvinyl chloride materials.
The flame-retardant protective layer 8 is a halogen-free low-smoke flame-retardant polyolefin sheath.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a fire-resistant polyvinyl chloride insulated cable of copper core, its characterized in that is in including cable body, setting this internal main cable of cable, setting are in this internal auxiliary cable of cable, the main cable includes the same first main cable and the second main cable of structure, auxiliary cable includes the same first auxiliary cable and the second auxiliary cable of structure, the cable body includes that from interior to exterior in proper order the cladding has polyethylene inner liner, first fire-retardant layer, insulating layer, the fire-retardant layer of second, embossing metal shock resistance, first braided shield layer, fire-retardant inoxidizing coating, embossing steel-plastic composite band, first oversheath layer.
2. The copper core fire resistant polyvinyl chloride insulated cable of claim 1, wherein said primary cable comprises a copper core conductor and a first ceramic insulation layer, a second braided shield layer and a second outer jacket layer coated on said copper core conductor.
3. The copper-cored, fire-resistant polyvinyl chloride insulated cable of claim 2, wherein the auxiliary cable comprises an auxiliary copper-cored conductor and a second layer of ceramized insulation covering the auxiliary copper-cored conductor.
4. The copper-core fire-resistant polyvinyl chloride insulated cable according to claim 3, wherein a plurality of uniformly distributed aluminum hydroxide fire-retardant filler balls are disposed in the first fire-retardant layer and the second fire-retardant layer.
5. The copper-core fire-resistant polyvinyl chloride insulated cable according to claim 4, wherein the embossed metal impact-resistant layer is made of an aluminum alloy strip or an aluminum strip, the aluminum alloy strip or the aluminum strip has a thickness of 1.0mm and a waveform structure.
6. The copper-cored fire-resistant polyvinyl chloride insulated cable according to claim 5, wherein the insulation layer is made of alkali-free glass fiber tape.
7. The copper-core fire-resistant polyvinyl chloride insulated cable according to claim 6, wherein the first outer sheath and the second outer sheath are made of flexible polyvinyl chloride material.
8. The copper-core fire-resistant polyvinyl chloride insulated cable according to claim 7, wherein the fire-retardant protective layer is a halogen-free low-smoke fire-retardant polyolefin jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074721.1U CN209962750U (en) | 2019-07-10 | 2019-07-10 | Copper-core fire-resistant polyvinyl chloride insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074721.1U CN209962750U (en) | 2019-07-10 | 2019-07-10 | Copper-core fire-resistant polyvinyl chloride insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209962750U true CN209962750U (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921074721.1U Active CN209962750U (en) | 2019-07-10 | 2019-07-10 | Copper-core fire-resistant polyvinyl chloride insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209962750U (en) |
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2019
- 2019-07-10 CN CN201921074721.1U patent/CN209962750U/en active Active
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