CN210516256U - Copper core polyvinyl chloride insulation twisted connection flexible wire - Google Patents
Copper core polyvinyl chloride insulation twisted connection flexible wire Download PDFInfo
- Publication number
- CN210516256U CN210516256U CN201921809267.XU CN201921809267U CN210516256U CN 210516256 U CN210516256 U CN 210516256U CN 201921809267 U CN201921809267 U CN 201921809267U CN 210516256 U CN210516256 U CN 210516256U
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- insulating
- flame
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- polyvinyl chloride
- wire
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Abstract
The utility model discloses an insulating hank type of copper core polyvinyl chloride is connected and is used flexible line, including insulating endotheca, the inboard packing of insulating endotheca has fire-retardant filler, and the inboard of fire-retardant filler is provided with the conductor, and the surface of conductor is provided with the insulating layer, and the surface of insulating layer is provided with the flame retardant coating. According to the copper-core polyvinyl chloride insulation stranded connection flexible wire, the conductor is arranged on the inner side of the insulation inner sleeve, the flame-retardant filler is filled on the inner side of the insulation inner sleeve, and the surface of the conductor is provided with the flame-retardant layer, so that the fire resistance of the wire can be improved; the electromagnetic protection layer and the carbon fiber wire are arranged on the outer side of the insulating inner sleeve, and the electromagnetic wave interference resistance of the wire can be improved through the electromagnetic protection layer and the carbon fiber wire; the tensile strength of the electric wire can be effectively improved through the matching of the flame-retardant filler and the carbon fiber yarns.
Description
Technical Field
The utility model relates to the technical field of electric wires, specifically be an insulating hank type of copper core polyvinyl chloride connects and uses flexible line.
Background
The common flexible electric wire for insulating twisted polyvinyl chloride type connection is commonly used for detector circuits, household appliances, instruments and meters of fire-fighting automatic fire alarm systems, power lighting wires and broadcasting systems to transmit audio signals amplified by a power amplifier. Because the insulation layer is only 0.8mm to 1.0mm, the power can be quickly blown off when a fire breaks out, which is not beneficial to the safety of personnel and equipment. In order to ensure that the fire alarm system and the lighting line system can work normally for a period of time when a fire breaks out, so that people can quickly and safely escape from the fire scene, a flexible wire with high flame retardance and high temperature resistance is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating hank type of copper core polyvinyl chloride is connected and is used flexible line to solve the problem of the resistant difference in temperature of electric wire.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a copper core polyvinyl chloride insulation hank type is connected and is used flexible line, includes insulating endotheca, the inboard packing of insulating endotheca has fire-retardant filler, the inboard of fire-retardant filler is provided with the conductor, the surface of conductor is provided with the insulating layer, the surface of insulating layer is provided with the flame retardant coating.
Preferably, an electromagnetic protection layer is arranged on the surface of the insulating inner sleeve.
Preferably, the outer side of the electromagnetic protection layer is provided with a wear-resistant layer.
Preferably, carbon fiber yarns are filled between the wear-resistant layer and the electromagnetic protective layer.
Compared with the prior art, the beneficial effects of the utility model are that: according to the copper-core polyvinyl chloride insulation stranded connection flexible wire, firstly, a conductor is arranged on the inner side of an insulation inner sleeve, flame-retardant filler is filled on the inner side of the insulation inner sleeve, and a flame-retardant layer is arranged on the surface of the conductor, so that the fire resistance of the wire can be improved; secondly, an electromagnetic protection layer and carbon fiber wires are arranged on the outer side of the insulating inner sleeve, and the electromagnetic wave interference resistance of the wire can be improved through the electromagnetic protection layer and the carbon fiber wires; thirdly, the tensile strength of the electric wire can be effectively improved through the matching of the flame-retardant filler and the carbon fiber yarns.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1 conductor, 2 insulating layers, 3 flame retardant coatings, 4 flame retardant fillers, 5 insulating inner sleeves, 6 electromagnetic protective layers, 7 carbon fiber wires and 8 wear-resistant layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a copper core polyvinyl chloride insulation stranded connection flexible wire comprises an insulation inner sleeve 5, wherein the insulation inner sleeve 5 is made of a high flame retardant PVC material, the inner side of the insulation inner sleeve 5 is filled with a flame retardant filler 4, the flame retardant filler 4 is a high flame retardant polypropylene mesh filling rope, when the conductor 1 generates heat, the heat transmission can be weakened through the flame retardant filler 4 to improve the flame retardancy, and the tensile capacity of the wire can be improved through the high flame retardant polypropylene mesh filling rope, the conductor 1 is arranged on the inner side of the flame retardant filler 4, an insulation layer 2 is arranged on the surface of the conductor 1, the insulation layer 2 is made of an insulation PVC material, a fire-resistant layer 3 is arranged on the surface of the insulation layer 2, the fire-resistant layer 3 is formed by winding a double-layer synthetic fluorine mica tape, and when a fire disaster.
Referring to fig. 1, an electromagnetic shielding layer 6 is disposed on the surface of the insulating inner sleeve 5, and the electromagnetic shielding layer 6 is a conductive rubber layer to enhance the electromagnetic wave interference resistance of the wire.
Referring to fig. 1, a wear-resistant layer 8 and a highly chlorinated polyethylene sleeve are disposed outside the electromagnetic shielding layer 6.
Referring to fig. 1, a carbon fiber 7 is filled between the wear-resistant layer 8 and the electromagnetic protection layer 6, the carbon fiber 7 is filled between the electromagnetic protection layer 6 and the wear-resistant layer 8, so that the core is more solid, meanwhile, the carbon fiber 7 is a filament structure, so that the tensile resistance of the electric wire can be improved, and meanwhile, the carbon fiber 7 has a certain electromagnetic shielding effect.
The utility model discloses when concrete implementation: the conductor 1 is arranged on the inner side of the insulating inner sleeve 5, the flame-retardant filler 4 is filled on the inner side of the insulating inner sleeve 5, and the fire-retardant layer 3 is arranged on the surface of the conductor 1, because the insulating inner sleeve 5 is made of a high flame-retardant PVC material, the flame-retardant filler 4 is formed by winding a high-flame-retardant polypropylene netted filling rope and the fire-retardant layer 3 is formed by winding a double-layer synthetic fluorine mica tape on the surface of the conductor 1, the fire resistance of the electric wire can be effectively improved in the using process through; an electromagnetic protection layer 6 is arranged on the outer side of the insulating inner sleeve 5, a carbon fiber wire 7 is filled between the electromagnetic protection layer 6 and the wear-resistant layer 8, and the electromagnetic wave interference resistance of the wire can be improved through the combined action of the electromagnetic protection layer 6 and the carbon fiber wire 7; because the flame-retardant filler 4 is a high-flame-retardant polypropylene netted filling rope and the carbon fiber yarns 7 are in a filament structure, the tensile strength of the electric wire can be effectively improved by matching the carbon fiber yarns 7 with the flame-retardant filler 4 in use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a copper core polyvinyl chloride is insulating to be twisted type and is connected and use flexible line, includes insulating endotheca (5), its characterized in that: the inner side of the insulating inner sleeve (5) is filled with flame-retardant filler (4), the inner side of the flame-retardant filler (4) is provided with a conductor (1), the surface of the conductor (1) is provided with an insulating layer (2), and the surface of the insulating layer (2) is provided with a flame-retardant coating (3).
2. The flexible electric wire for copper-core polyvinyl chloride insulation stranded connection according to claim 1, characterized in that: an electromagnetic protection layer (6) is arranged on the surface of the insulating inner sleeve (5).
3. The flexible electric wire for copper-core polyvinyl chloride insulation stranded connection according to claim 2, characterized in that: and a wear-resistant layer (8) is arranged on the outer side of the electromagnetic protection layer (6).
4. The copper-core polyvinyl chloride insulation stranded type flexible wire for connection according to claim 3, characterized in that: and carbon fiber yarns (7) are filled between the wear-resistant layer (8) and the electromagnetic protective layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809267.XU CN210516256U (en) | 2019-10-25 | 2019-10-25 | Copper core polyvinyl chloride insulation twisted connection flexible wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809267.XU CN210516256U (en) | 2019-10-25 | 2019-10-25 | Copper core polyvinyl chloride insulation twisted connection flexible wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516256U true CN210516256U (en) | 2020-05-12 |
Family
ID=70573453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921809267.XU Expired - Fee Related CN210516256U (en) | 2019-10-25 | 2019-10-25 | Copper core polyvinyl chloride insulation twisted connection flexible wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516256U (en) |
-
2019
- 2019-10-25 CN CN201921809267.XU patent/CN210516256U/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: 20200512 Termination date: 20211025 |