CN215770583U - Flame-retardant fire-resistant cross-linked polyethylene computer cable - Google Patents
Flame-retardant fire-resistant cross-linked polyethylene computer cable Download PDFInfo
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- CN215770583U CN215770583U CN202121622938.9U CN202121622938U CN215770583U CN 215770583 U CN215770583 U CN 215770583U CN 202121622938 U CN202121622938 U CN 202121622938U CN 215770583 U CN215770583 U CN 215770583U
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Abstract
The utility model discloses a flame-retardant fire-resistant cross-linked polyethylene computer cable in the technical field of computer cables, which comprises a cable core, wherein a shielding layer is arranged outside the cable core, an inner flame-retardant layer is arranged outside the shielding layer, a filler is arranged outside the inner flame-retardant layer, a fire-resistant wrapping layer is arranged outside the filler, an outer flame-retardant layer is arranged outside the fire-resistant wrapping layer, and an outer sheath is arranged outside the outer flame-retardant layer. The cable outer sheath is prevented from being worn, and meanwhile, the inner cable core can be well protected.
Description
Technical Field
The utility model relates to the technical field of computer cables, in particular to a flame-retardant fire-resistant cross-linked polyethylene computer cable.
Background
The computer cable is suitable for electronic computer and automatic instrument with 500V rated voltage and below and high interference preventing performance, and may be made of polyethylene, polyvinyl chloride, cross-linked polyethylene, fluoroplastic, silicon rubber and other material for cable insulation.
Polyethylene has high insulation resistance, good voltage resistance, small dielectric coefficient, small influence of dielectric loss temperature and variable frequency, can meet the requirement of transmission performance, and can ensure the service life of the cable, computer cables have higher requirement on flame retardance and fire resistance, and if the flame retardance and fire resistance of the computer cables cannot be ensured, the cables can be damaged once the computer fails to cause over-high cable resistance or over-high external temperature, so the flame-retardant fire-resistant cross-linked polyethylene computer cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flame-retardant and fire-resistant cross-linked polyethylene computer cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a fire-retardant fire-resistant crosslinked polyethylene computer cable, includes the cable core, and the outside of cable core is provided with the shielding layer, and the outside of shielding layer is provided with interior fire-retardant layer, and the outside of interior fire-retardant layer is provided with the filler, and the outside of filler is provided with fire-resistant covering around, and fire-resistant covering outside around being provided with is provided with outer fire-retardant layer, and the outside on outer fire-retardant layer is provided with the oversheath.
Further: the shielding layer is a semiconductor metal shielding layer, the inner flame-retardant layer is a flame-retardant cross-linked polyethylene layer, and the outer flame-retardant layer is extruded fire clay.
Further: the filler is a high flame retardant filler.
Further: the fire-resistant lapping layer is a fire-resistant mica tape or a glass fiber tape.
Further: the outer sheath is a rubber insulating layer.
Further: the outer part of the outer sheath is provided with a wear-resistant layer.
Compared with the prior art, the utility model has the beneficial effects that:
the computer cable is shielded and protected by the shielding layer, the shielding layer is a semiconductor metal shielding layer, the computer cable can be effectively prevented from being interfered by the outside, the flame-retardant and fireproof effects are achieved by the inner flame-retardant layer, the filler, the fireproof wrapping layer and the outer flame-retardant layer, the overall flame-retardant and flame-retardant performances of the cable are improved, the insulativity of the computer cable can be effectively enhanced by the outer sheath, the wear-resistant effect is achieved by the arranged wear-resistant layer, the outer sheath of the cable is prevented from being worn, the inner cable core can be well protected, and the service life is prolonged.
Drawings
FIG. 1 is a schematic structural view of a flame-retardant fire-resistant cross-linked polyethylene computer cable according to the present invention;
in the figure: 1 cable core, 2 shielding layers, 3 interior fire-retardant layers, 4 fillers, 5 fire-resistant chartered layers, 6 outer fire-retardant layers, 7 oversheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1, the present invention provides a technical solution: the utility model provides a fire-retardant fire-resistant crosslinked polyethylene computer cable, including cable core 1, the outside of cable core 1 is provided with shielding layer 2, shielding layer 2 shields the protection, can effectively avoid this computer cable to receive the condition of external disturbance, shielding layer 2's outside is provided with interior fire-retardant layer 3, interior fire-retardant layer 3's outside is provided with filler 4, filler 4's outside is provided with fire-resistant around covering 5, fire-resistant outside around covering 5 is provided with outer fire-retardant layer 6, through interior fire-retardant layer 3, filler 4, fire-resistant has reached fire-retardant fire-resistant effect around covering 5 and outer fire-retardant layer 6, the whole fire-resistant and fire behaviour of cable has been improved, the outside of outer fire-retardant layer 6 is provided with oversheath 7, can effectively strengthen this computer cable's insulating nature through oversheath 7.
Preferably, the shielding layer 2 is a semiconductor metal shielding layer, the inner flame-retardant layer 3 is a flame-retardant cross-linked polyethylene layer, and the outer flame-retardant layer 6 is extruded fire clay.
Preferably, the filler 4 is a highly flame retardant filler.
Preferably, the fire-resistant wrapping layer 5 is a fire-resistant mica tape or a glass fiber tape.
Preferably, the outer sheath 7 is a rubber insulation layer.
Example 2:
referring to fig. 1, this embodiment is different from the first embodiment in that: the outside of oversheath 7 is provided with the wearing layer (not shown in the figure), and the wearing layer makes the cable possess wear-resisting effect, prevents that cable oversheath 7 from taking place wearing and tearing, can play good protection effect, increase of service life to inside cable core simultaneously.
The working principle is as follows: utilize shielding layer 2 to shield protection, can effectively avoid this computer cable to receive the condition of external disturbance, through interior fire-retardant layer 3, filler 4, fire-resistant has reached fire-retardant fire-resistant effect around covering 5 and outer fire-retardant layer 6, the whole fire-resistant and fire behaviour of cable has been improved, can effectively strengthen this computer cable's insulating nature through oversheath 7, the wearing layer makes the cable possess wear-resisting effect, prevent that cable oversheath 7 from taking place wearing and tearing, can play good protection effect to inside cable core simultaneously, prolonged service life.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fire-retardant fire-resistant crosslinked polyethylene computer cable, includes cable core (1), its characterized in that: the cable comprises a cable core (1), and is characterized in that a shielding layer (2) is arranged outside the cable core (1), an inner flame-retardant layer (3) is arranged outside the shielding layer (2), a filler (4) is arranged outside the inner flame-retardant layer (3), a fireproof wrapping layer (5) is arranged outside the filler (4), an outer flame-retardant layer (6) is arranged outside the wrapping layer (5) in a fireproof manner, and an outer sheath (7) is arranged outside the outer flame-retardant layer (6).
2. The flame retardant, fire resistant cross-linked polyethylene computer cable of claim 1, wherein: the shielding layer (2) is a semiconductor metal shielding layer, the inner flame-retardant layer (3) is a flame-retardant cross-linked polyethylene layer, and the outer flame-retardant layer (6) is extruded fire clay.
3. The flame retardant, fire resistant cross-linked polyethylene computer cable of claim 1, wherein: the filler (4) is a high flame-retardant filler.
4. The flame retardant, fire resistant cross-linked polyethylene computer cable of claim 1, wherein: the fire-resistant lapping layer (5) is a fire-resistant mica tape or a glass fiber tape.
5. The flame retardant, fire resistant cross-linked polyethylene computer cable of claim 1, wherein: the outer sheath (7) is a rubber insulating layer.
6. The flame retardant, fire resistant cross-linked polyethylene computer cable of claim 1, wherein: and a wear-resistant layer is arranged outside the outer sheath (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622938.9U CN215770583U (en) | 2021-07-16 | 2021-07-16 | Flame-retardant fire-resistant cross-linked polyethylene computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121622938.9U CN215770583U (en) | 2021-07-16 | 2021-07-16 | Flame-retardant fire-resistant cross-linked polyethylene computer cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215770583U true CN215770583U (en) | 2022-02-08 |
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ID=80105812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121622938.9U Active CN215770583U (en) | 2021-07-16 | 2021-07-16 | Flame-retardant fire-resistant cross-linked polyethylene computer cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215770583U (en) |
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2021
- 2021-07-16 CN CN202121622938.9U patent/CN215770583U/en active Active
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