CN207731678U - A kind of fire prevention cable - Google Patents
A kind of fire prevention cable Download PDFInfo
- Publication number
- CN207731678U CN207731678U CN201721685700.4U CN201721685700U CN207731678U CN 207731678 U CN207731678 U CN 207731678U CN 201721685700 U CN201721685700 U CN 201721685700U CN 207731678 U CN207731678 U CN 207731678U
- Authority
- CN
- China
- Prior art keywords
- cable
- thermal insulation
- layer
- protective case
- fire prevention
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
- Ropes Or Cables (AREA)
Abstract
The utility model discloses a kind of fire prevention cable, belongs to technical field of cables, including cable core, tension rope, insulating layer, thermal insulation layer and protective case, it is characterised in that：The outside of the cable core is equipped with polyester film, there are three the cable core is set, aramid yarn is filled between three cable cores, each cable core includes multiple twisted wire groups, each twisted wire group is twisted by being set to the ultrafine wire group at center and the ultrafine wire group layer around the center, the ultrafine wire group is twisted by more ultra-fine copper conductors are random, the tension rope is located at the center of three cable cores, the insulating layer, thermal insulation layer and protective case are respectively positioned on the outside of cable core, the thermal insulation layer is between insulating layer and protective case, the thermal insulation layer includes heat-insulation chamber and thermal insulation board, pass through the setting of the cable, its tensile strength can not only be enhanced, it can also play the role of fireproof.
Description
Technical field
The utility model is related to technical field of cables more particularly to a kind of fire prevention cables.
Background technology
It is growing with science and technology, include that the various high-tech content checkout facilities of cable are increasingly widely used
In complicated severe condition, the adverse circumstances such as humidity is big, inflammable and explosive and strong electromagnetic width is penetrated continuously emerge, insecurity day
Become to increasing, Frequent Accidents, in order to strengthen safety measure, improve production efficiency, existing cable is in flame retardant property, stretch-proof, anti-dry
Immunity can go up Shortcomings.
Utility model content
For the presence of existing phenomenon, it is simple, rational a kind of anti-that the purpose of this utility model is to provide a kind of designs
Firewire cable, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：
A kind of fire prevention cable, including cable core, tension rope, insulating layer, thermal insulation layer and protective case, it is characterised in that：It is described
The outside of cable core is equipped with polyester film, there are three the cable core is set, aramid yarn is filled between three cable cores, often
A cable core includes multiple twisted wire groups, and each twisted wire group is by being set to the ultrafine wire group at center and in described
The ultrafine wire group layer of the heart twists, and the ultrafine wire group is twisted by more ultra-fine copper conductors are random, the tension
For rope positioned at the center of three cable cores, the insulating layer, thermal insulation layer and protective case are respectively positioned on the outside of cable core, the thermal insulation layer
Between insulating layer and protective case, the thermal insulation layer includes heat-insulation chamber and thermal insulation board, the heat-insulation chamber be provided with it is multiple, it is described
Thermal insulation board is equipped with oxidation prevention layer between the adjacent heat-insulation chamber between the thermal insulation layer and protective case.
By using said program, cable core includes multiple twisted wire groups, twisted wire group by center ultrafine wire group and surround
The ultrafine wire group layer at the center twists, and has preferable flexibility, excessive there is no hardness and be not easy to lay shows
As place especially larger in curvature is equipped with tension rope between three cable cores, to bear cable fortune from cable inner
The insulating layer of the problem of pulling force when dynamic, cable is not in cracking, cable use flame-retardant low-smoke halogen-free polyester base thermoplastic elastic
Body material is made, and protective case is the thermoplastic polyurethane material of fire-retardant, low smoke and zero halogen, oil resistant, resistance to ozone and UV resistant
It is made, can play the role of fireproof, thermal insulation board can play heat one conduction, is provided in heat-insulation chamber
Fire proofing further enhances the fire line of the cable, the oxidation prevention layer made by aluminium hydroxide and magnesium hydroxide material, will be bright
The aobvious flame retardant property for improving cable, when cable meets open fire burning, large quantity of moisture can be precipitated to reduce environment temperature in oxygen barrier material,
And a not molten non-ignitable aluminium oxide hard shell is formed, the contact with isolation insulation organic matter with outside air finally makes cable reach
To the mesh of self-extinguishment, to substantially increasing the flame retardant rating of cable.
As preferred：The surface of the insulating layer is covered with copper sheath.
As preferred：The protective case is low smoke and zero halogen protective case.
By using said program, low smoke and zero halogen protective case is the sizing material by being halogen-free, without substances such as lead cadmium chromium mercury
It is made, not will produce a large amount of smog in burning, corrosive gas will not be released and toxic gas causes to hinder to human body
Evil has preferable safety and environmental protection characteristic.
As preferred：Fire proofing is filled in the heat-insulation chamber.
As preferred：Acoustical cotton is equipped in the thermal insulation layer.
By using said program, acoustical cotton can completely cut off noise.
As preferred：The oxidation prevention layer is made of aluminium hydroxide and magnesium hydroxide material.
As preferred：The tension rope is dustless rock wool flame-retardant rope.
The utility model has the advantage of：It is anti-can not only to enhance it by the setting of the cable for structure design advantages of simple
Tensile strength, moreover it is possible to play the role of fireproof.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram one of fire prevention cable of the utility model；
Fig. 2 is a kind of structural schematic diagram two of fire prevention cable of the utility model.
Reference numeral：1, tension rope；2, twisted wire group；3, cable core；4, protective case；5, thermal insulation layer；6, copper sheath；7, it insulate
Layer；8, heat-insulation chamber；9, thermal insulation board；10, oxidation prevention layer；11, aramid yarn；12, thermal insulation layer.
Specific implementation mode
Fire prevention cable a kind of to the utility model is described further referring to Figures 1 and 2.
A kind of fire prevention cable, including cable core 3, tension rope 1, insulating layer 7, thermal insulation layer 12 and protective case 4, feature exists
In：The outside of the cable core 3 is equipped with polyester film, and there are three the settings of the cable core 3, is filled out between three cable cores 3
Filled with aramid yarn 11, each cable core 3 includes multiple twisted wire groups 2, and each twisted wire group 2 is by being set to the ultra-fine of center
Conducting wire group and ultrafine wire group layer around the center twist, and the ultrafine wire group is random by more ultra-fine copper conductors
It is twisted, the tension rope 1 is located at the center of three cable cores 3, and the insulating layer 7, thermal insulation layer 12 and protective case 4 are respectively positioned on
The outside of cable core 3, for the thermal insulation layer 12 between insulating layer 7 and protective case 4, the thermal insulation layer 12 includes 8 He of heat-insulation chamber
Thermal insulation board 9, the heat-insulation chamber 8 are provided with multiple, and the thermal insulation board 9 is between the adjacent heat-insulation chamber 8, the thermal insulation layer 12
Oxidation prevention layer 10 is equipped between protective case 4.
By using said program, cable core 3 include multiple twisted wire groups 2, twisted wire group 3 by center ultrafine wire group and enclose
Ultrafine wire group layer around the center twists, and has preferable flexibility, excessive there is no hardness and be not easy to lay
Phenomenon, place especially larger in curvature are equipped with tension rope 1, to bear line from cable inner between three cable cores 3
The insulating layer 7 of the problem of pulling force when cable moves, cable is not in cracking, cable use flame-retardant low-smoke halogen-free polyester base thermoplastic
Elastomeric material is made, and protective case 4 is the thermoplastic polyurethane of fire-retardant, low smoke and zero halogen, oil resistant, resistance to ozone and UV resistant
Material is made, and can play the role of fireproof, thermal insulation board 9 can play heat one conduction, in heat-insulation chamber 8
It is provided with fire proofing, further enhances the fire line of the cable, the resistance oxygen made by aluminium hydroxide and magnesium hydroxide material
Layer 10, will significantly improve the flame retardant property of cable, and when cable meets open fire burning, large quantity of moisture can be precipitated to reduce in oxygen barrier material
Environment temperature, and a not molten non-ignitable aluminium oxide hard shell is formed, the contact with isolation insulation organic matter with outside air, finally
Make cable with reaching the mesh of self-extinguishment, to substantially increase the flame retardant rating of cable.
As preferred：The surface of the insulating layer 7 is covered with copper sheath 6.
As preferred：The protective case 4 is low smoke and zero halogen protective case.
By using said program, low smoke and zero halogen protective case 4 is the sizing material by being halogen-free, without substances such as lead cadmium chromium mercury
It is made, not will produce a large amount of smog in burning, corrosive gas will not be released and toxic gas causes to hinder to human body
Evil has preferable safety and environmental protection characteristic.
As preferred：Fire proofing is filled in the heat-insulation chamber 8.
As preferred：Acoustical cotton is equipped in the thermal insulation layer 12.
By using said program, acoustical cotton can completely cut off noise.
As preferred：The oxidation prevention layer 10 is made of aluminium hydroxide and magnesium hydroxide material.
As preferred：The tension rope 1 is dustless rock wool flame-retardant rope.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of fire prevention cable, including cable core, tension rope, insulating layer, thermal insulation layer and protective case, it is characterised in that：The line
The outside of cable core is equipped with polyester film, there are three the cable core is set, aramid yarn is filled between three cable cores, each
The cable core includes multiple twisted wire groups, and each twisted wire group is by being set to the ultrafine wire group at center and surrounding the center
Ultrafine wire group layer twist, the ultrafine wire group is twisted by more ultra-fine copper conductors are random, the tension rope
Positioned at the center of three cable cores, the insulating layer, thermal insulation layer and protective case are respectively positioned on the outside of cable core, the thermal insulation layer position
Between insulating layer and protective case, the thermal insulation layer includes heat-insulation chamber and thermal insulation board, the heat-insulation chamber be provided with it is multiple, it is described every
Hot plate is equipped with oxidation prevention layer between the adjacent heat-insulation chamber between the thermal insulation layer and protective case.
2. a kind of fire prevention cable according to claim 1, it is characterised in that：The surface of the insulating layer is covered with copper shield
Layer.
3. a kind of fire prevention cable according to claim 1, it is characterised in that：The protective case is low smoke and zero halogen protective case.
4. a kind of fire prevention cable according to claim 1, it is characterised in that：Fire proofing is filled in the heat-insulation chamber.
5. a kind of fire prevention cable according to claim 1, it is characterised in that：Acoustical cotton is equipped in the thermal insulation layer.
6. a kind of fire prevention cable according to claim 1, it is characterised in that：The oxidation prevention layer is by aluminium hydroxide and hydroxide
Magnesium material is made.
7. a kind of fire prevention cable according to claim 1, it is characterised in that：The tension rope is dustless rock wool flame-retardant rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721685700.4U CN207731678U (en) | 2017-12-07 | 2017-12-07 | A kind of fire prevention cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721685700.4U CN207731678U (en) | 2017-12-07 | 2017-12-07 | A kind of fire prevention cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731678U true CN207731678U (en) | 2018-08-14 |
Family
ID=63096956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721685700.4U Expired - Fee Related CN207731678U (en) | 2017-12-07 | 2017-12-07 | A kind of fire prevention cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700919A (en) * | 2020-12-21 | 2021-04-23 | 欧耐特线缆集团有限公司 | Ultraviolet-proof photovoltaic cable and ultraviolet-proof method thereof |
-
2017
- 2017-12-07 CN CN201721685700.4U patent/CN207731678U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700919A (en) * | 2020-12-21 | 2021-04-23 | 欧耐特线缆集团有限公司 | Ultraviolet-proof photovoltaic cable and ultraviolet-proof method thereof |
| CN112700919B (en) * | 2020-12-21 | 2022-12-02 | 欧耐特线缆集团有限公司 | Ultraviolet-proof photovoltaic cable and ultraviolet-proof method 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 Termination date: 20191207 |