CN207895871U - A kind of low temperature resistant and fire-retardant signal cable - Google Patents
A kind of low temperature resistant and fire-retardant signal cable Download PDFInfo
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- CN207895871U CN207895871U CN201721460611.XU CN201721460611U CN207895871U CN 207895871 U CN207895871 U CN 207895871U CN 201721460611 U CN201721460611 U CN 201721460611U CN 207895871 U CN207895871 U CN 207895871U
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Abstract
The utility model discloses a kind of low temperature resistant and fire-retardant signal cables, including cable ontology, cable ontology includes cable core, insulating layer, metal screen layer, liner layer, steel-tape armouring layer and outer jacket, cable core is internally provided with conductor, insulating layer is enclosed on the outside of conductor, insulating layer is wrapped in the outer surface of cable core, metal screen layer is wrapped in the outer surface of insulating layer, liner layer is wrapped in the outer surface of metal screen layer, steel-tape armouring layer is wrapped in the outer surface of liner layer, and outer jacket is wrapped in the outer surface of steel-tape armouring layer.One kind provided by the utility model is low temperature resistant and fire-retardant signal cable, cable ontology can be not only fixedly mounted under 60 DEG C of low temperature, the electric property of each component, mechanical and physical performance all keep moderately good state in cable ontology, and cable ontology is with the performances such as antiultraviolet cracking resistance, Halogen, fire-retardant, it can be laid in extremely cold area, and meet fire-retardant requirement.
Description
Technical field
The utility model is related to a kind of signal cable, more particularly to a kind of low temperature resistant and fire-retardant signal cable.
Background technology
Cable is generally made of the conductor of one or more mutually insulated and external insulating protective layer, or by several or several
Group conducting wire（Every group at least two）It is twisted, mutually insulated between every group of conducting wire, and is often twisted into around a center, entirely
Outside is surrounded by the coating of high-insulation, and effect is the conducting wire that electric power or information are transferred to another place from one.
The use environment temperature of general provision in domestic cable standard, cable is -40 DEG C~60 DEG C, and laying environment temperature is not
Less than -10 DEG C, but in the case where environment temperature is extremely low, existing signal cable will appear insulation and protective layer embrittlement and open
It splits, influences the data transmission of cable, reduce cable transmission safety and stability, therefore, it is necessary to a kind of signal cables, can
The limitation that cable lays and installs in extremely cold area is broken through, and meets fire-retardant requirement.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of low temperature resistant and fire-retardant letter
Number cable, can lay, and meet fire-retardant requirement in extremely cold area.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
The utility model is a kind of low temperature resistant and fire-retardant signal cable, including cable ontology, the cable ontology include
Cable core, insulating layer, metal screen layer, liner layer, steel-tape armouring layer and outer jacket, the cable core is internally provided with conductor, described
Insulating layer is enclosed on the outside of conductor, the insulating layer is wrapped in the outer surface of cable core, and the metal screen layer is wrapped in heat preservation
The outer surface of layer, the liner layer are wrapped in the outer surface of metal screen layer, and the steel-tape armouring layer is wrapped in the outer of liner layer
Surface, the outer jacket are wrapped in the outer surface of steel-tape armouring layer.
As a kind of optimal technical scheme of the utility model, the insulating layer is made by cold-resistant polyolefins insulating materials
It forms.
As a kind of optimal technical scheme of the utility model, the insulating layer is by non-hygroscopic strip material or resists cold poly-
Alkene insulating materials is made.
As a kind of optimal technical scheme of the utility model, the liner layer made by cold-resistant polyolefin based materials and
At.
As a kind of optimal technical scheme of the utility model, the outer jacket is hindered by antiultraviolet dehiscence-resistant halogen-free low-smoke
Combustion low-temperature resistant polyolefin protective cover material is made.
Compared with prior art, the beneficial effects of the utility model are as follows：
One kind provided by the utility model is low temperature resistant and fire-retardant signal cable, cable ontology can not only be fixedly mounted
Under -60 DEG C of low temperature, the electric property of each component, mechanical and physical performance all keep moderately good state in cable ontology,
And cable ontology can be laid with the performances such as antiultraviolet cracking resistance, Halogen, fire-retardant in extremely cold area, and it is full
The fire-retardant requirement of foot.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model；
In figure：1, conductor；2, insulating layer；3, core；4, insulating layer；5, metal screen layer；6, liner layer；7, steel-tape armouring
Layer；8, outer jacket；9, cable ontology.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of low temperature resistant and fire-retardant signal cable, including cable ontology 9, cable
Line ontology 9 includes cable core 3, insulating layer 4, metal screen layer 5, liner layer 6, steel-tape armouring layer 7 and outer jacket 8, is set inside cable core 3
It is equipped with conductor 1, the outside of conductor 1 is enclosed with insulating layer 2, and insulating layer 4 is wrapped in the outer surface of cable core 3, and metal screen layer 5 wraps up
In the outer surface of insulating layer 4, liner layer 6 is wrapped in the outer surface of metal screen layer 5, and steel-tape armouring layer 7 is wrapped in liner layer 6
Outer surface, outer jacket 8 are wrapped in the outer surface of steel-tape armouring layer 7.
Further, insulating layer 2 is made by cold-resistant polyolefins insulating materials, by the polyolefins insulating materials that resists cold
The insulating layer 2 being made, it is non-brittle at low ambient temperatures to be hardened, it is ensured that 9 transmission performance of cable ontology is stablized.
Insulating layer 4 is made by non-hygroscopic strip material or cold-resistant crosslinked polyolefin insulating material, on the one hand can be effective
It avoids scalding insulating layer 2 when 5 Al pipe butt welding of metal screen layer；And there is heat insulation function, ensure the stability of 3 temperature of cable core.
Liner layer 6 is made by cold-resistant polyolefin based materials, and under -60 DEG C of environment of low temperature, 6 surface of liner layer will not go out
Existing embrittlement, cracking phenomena.
Outer jacket 8 is made by antiultraviolet dehiscence-resistant halogen-free low-smoke flame-proof low-temperature resistant polyolefin protective cover material, in low temperature-
Under 60 DEG C of environment, 8 surface of outer jacket, which is not in embrittlement, cracking phenomena, and outer jacket 8, has antiultraviolet cracking resistance, nothing
The performances such as halogen low-smoke and flame retardant.
Specifically, insulating layer 2 is made by cold-resistant polyolefins insulating materials in the utility model, ensure cable insulation
It is non-brittle at low ambient temperatures to be hardened, ensure that cable transmission performance is stablized；3 outer cladding insulating layer 4 of cable core, the insulating layer 4 is not only
It is low temperature resistant, and ensure that the stabilization of temperature in cable core 3；The liner layer 6 of cable is made by cold-resistant polyolefin based materials, outside
Sheath 8 is made by antiultraviolet dehiscence-resistant halogen-free low-smoke flame-proof low-temperature resistant polyolefin protective cover material, in -60 DEG C of environment of low temperature
Under, the surface of cable ontology 9 is not in embrittlement, cracking phenomena, and it is normal under extremely cold environment to meet cable ontology 9
It uses, and there are outer jacket 8 performances such as antiultraviolet cracking resistance, LSOH anti-flaming, the utility model to be suitable for extremely cold dislike
Bad laying environment, improves the service life of cable；Cable shield uses electricity+magnetic screen of metal screen layer 5 and steel-tape armouring layer 7
Form makes the utility model have good shielding properties.
One kind provided by the utility model is low temperature resistant and fire-retardant signal cable, cable ontology 9 can not only be fixedly mounted
Under -60 DEG C of low temperature, the electric property of each component, mechanical and physical performance all keep moderately good state in cable ontology 9,
And cable ontology 9 can be laid with the performances such as antiultraviolet cracking resistance, Halogen, fire-retardant in extremely cold area, and it is full
The fire-retardant requirement of foot.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (1)
1. a kind of low temperature resistant and fire-retardant signal cable, including cable ontology (9), which is characterized in that the cable ontology (9)
Including cable core (3), insulating layer (4), metal screen layer (5), liner layer (6), steel-tape armouring layer (7) and outer jacket (8), the cable
Core (3) is internally provided with conductor (1), and insulating layer (2) is enclosed on the outside of the conductor (1), and the insulating layer (4) is wrapped in cable
The outer surface of core (3), the metal screen layer (5) are wrapped in the outer surface of insulating layer (4), and the liner layer (6) is wrapped in gold
Belong to the outer surface of shielded layer (5), the steel-tape armouring layer (7) is wrapped in the outer surface of liner layer (6), outer jacket (8) packet
It is rolled in the outer surface of steel-tape armouring layer (7), the insulating layer (2) is made by cold-resistant polyolefins insulating materials, the guarantor
Warm layer (4) is made by non-hygroscopic strip material, and the liner layer (6) is made by cold-resistant polyolefin based materials, institute
Outer jacket (8) is stated to be made by antiultraviolet dehiscence-resistant halogen-free low-smoke flame-proof low-temperature resistant polyolefin protective cover material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460611.XU CN207895871U (en) | 2017-11-06 | 2017-11-06 | A kind of low temperature resistant and fire-retardant signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721460611.XU CN207895871U (en) | 2017-11-06 | 2017-11-06 | A kind of low temperature resistant and fire-retardant signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207895871U true CN207895871U (en) | 2018-09-21 |
Family
ID=63547777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721460611.XU Expired - Fee Related CN207895871U (en) | 2017-11-06 | 2017-11-06 | A kind of low temperature resistant and fire-retardant signal cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207895871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053568A (en) * | 2021-03-17 | 2021-06-29 | 深圳市众视通线材有限公司 | Novel pre-buried cable and protection assembly thereof |
-
2017
- 2017-11-06 CN CN201721460611.XU patent/CN207895871U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113053568A (en) * | 2021-03-17 | 2021-06-29 | 深圳市众视通线材有限公司 | Novel pre-buried cable and protection assembly thereof |
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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 |
Granted publication date: 20180921 Termination date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |