CN207993540U - A kind of fireproof cable - Google Patents
A kind of fireproof cable Download PDFInfo
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- CN207993540U CN207993540U CN201820221144.3U CN201820221144U CN207993540U CN 207993540 U CN207993540 U CN 207993540U CN 201820221144 U CN201820221144 U CN 201820221144U CN 207993540 U CN207993540 U CN 207993540U
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Abstract
The utility model discloses a kind of fireproof cables, including cable core, the cable core is twisted by a plurality of insulated core, the insulated wire cores include conductor, the conductor is wrapped with insulating layer, gap between a plurality of insulated core is equipped with filled layer, the filled layer is externally provided with internal layer flame-retardant layer, the internal layer flame-retardant layer is externally provided with internal layer separation layer, the internal layer separation layer is externally provided with outer layer separation layer, the outer layer separation layer is externally provided with fireprotection layer, the fireprotection layer is externally provided with outer layer flame-retardant layer, the outer layer flame-retardant layer is externally provided with oversheath, the internal layer separation layer is that aluminium-alloy pipe separation layer can also be aluminum pipe separation layer, the outer layer separation layer is crosslinked polyethylene separation layer, the outer layer separation layer is equipped with several raised lines.The utility model is equipped with multi-layer fireproofing structure, realizes the promotion of fire protecting performance, while the whole feature of environmental protection is improved.
Description
Technical field
The utility model is related to field of cable technology, and in particular to a kind of fireproof cable.
Background technology
According to statistics, due to partly accounting for about 60% caused by electric fault in fire incident.As people are to electric wire
The dangerous understanding that problem causes fire is constantly deepened, and is also gradually being carried to performance requirements such as the fire protection flame retardings of electric wire
It is high.It encountering in the case of fire occurs, the fire-fighting equipments such as Fire lift, fire pump need to keep normal operation within a certain period of time,
Therefore, the electric wire for undertaking these equipment transmissions of electricity effect just needs to have the performance of higher fireproofing and heat resistant.Regardless of being to disappear
The electric wire of anti-equipment or scene of fire be easy to cause two after combustion if generating a large amount of toxic and harmful gas
Secondary harm and pollution.The general fireproof cable mainly wrapped mica tape on conductor, by flame resistant filler, fire-retardant band and resistance
Sheath composition is fired, fire protecting performance is limited, can not meet for the fire-proof and explosion-proof application scenario for there are requirements at the higher level.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, providing a kind of fireproof cable.
To solve the above problems, technical solution adopted in the utility model is：A kind of fireproof cable, including cable core, institute
Cable core to be stated to be twisted by a plurality of insulated core, the insulated wire cores include conductor, and the conductor is wrapped with insulating layer,
Gap between a plurality of insulated core is equipped with filled layer, and the filled layer is externally provided with internal layer flame-retardant layer, outside the internal layer flame-retardant layer
Equipped with internal layer separation layer, the internal layer separation layer is externally provided with outer layer separation layer, and the outer layer separation layer is externally provided with fireprotection layer, described
Fireprotection layer is externally provided with outer layer flame-retardant layer, and the outer layer flame-retardant layer is externally provided with oversheath, the internal layer separation layer be aluminium-alloy pipe every
Absciss layer can also be aluminum pipe separation layer, and the outer layer separation layer is crosslinked polyethylene separation layer, and the outer layer separation layer is equipped with
Several raised lines.
Further technical solution is that the insulated wire cores are five.
Further technical solution is that the section of the raised line is trapezoidal.
Further technical solution is that the insulating layer is Mica tape layer.
Further technical solution is that colour band is equipped in the insulating layer.
Further technical solution is that the filled layer is halogen-free flameproof filled layer, is ensureing the same of cable roundness
When, certain flame retardant effect can be played.
Further technical solution is that the internal layer flame-retardant layer and outer layer flame-retardant layer are that high fire-retardance glass fiber tape is wrapped
Layer.High fire-retardance glass fiber tape at a certain temperature, can resolve into metal oxide and the crystallization water is precipitated, play absorption cigarette
Gas sedimentation soot, heat absorption, hinders the effect of oxygen and fuel gas flowing, and then can prevent the further burning of cable.
Further technical solution is that the fireprotection layer uses the fire proofing material containing magnetic powder, magnesia, ceramics.
Further technical solution is that the oversheath is cross-linked polyolefin oversheath, can effectively improve cable
Fire retardancy, also improve the safety of cable.
Further technical solution is that the oversheath is equipped with several strip protrusions, can be to avoid using process
In abrasion to cable, extend the service life of cable.
It is using advantageous effect caused by above-mentioned technical proposal：The utility model is equipped with multi-layer fireproofing structure, realizes
The promotion of fire protecting performance, while the whole feature of environmental protection is improved；Be provided with outside internal layer flame-retardant layer aluminium-alloy pipe separation layer or
Aluminum pipe separation layer, aluminium-alloy pipe separation layer or aluminum pipe separation layer fusing point are high, have good fire protecting performance, when a fire,
Insulated wire cores and flame can be kept apart, and filled layer to internal layer and internal layer flame-retardant layer play fixed function, improve
Antidetonation, the compressive property of cable, avoid the damage because shaking and impacting generation, at the same by insulated wire cores and water and steam every
From, make cable have excellent water resistance；It is equipped with several raised lines on outer layer separation layer, fireprotection layer can be facilitated to adhere to；It is convex
The section of item is designed as trapezoidal, not only fireprotection layer is facilitated to adhere to, but also will not be impacted to the wrapped of outer layer flame-retardant layer；In oversheath
On form several strip protrusions, can be to avoid to the abrasion of cable, extending the service life of cable in use.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the first embodiment of fireproof cable of the utility model；
Fig. 2 is a kind of structural schematic diagram of the second embodiment of fireproof cable of the utility model.
In figure：1, conductor；2, insulating layer；3, colour band；4, filled layer；5, internal layer flame-retardant layer；6, internal layer separation layer；7, outer layer
Separation layer；8, fireprotection layer；9, outer layer flame-retardant layer；10, oversheath；11, raised line；12, strip protrusion.
Specific implementation mode
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used for limiting the scope of the utility model.
With reference to figure 1, Fig. 1 is a kind of structural schematic diagram of the first embodiment of fireproof cable of the utility model, including cable core,
The cable core is twisted by five insulated wire cores, and the insulated wire cores include conductor 1, and the conductor 1 is wrapped with absolutely
Edge layer 2, the gap between a plurality of insulated core are equipped with filled layer 4, and the filled layer 4 is externally provided with internal layer flame-retardant layer 5, the internal layer
Flame-retardant layer 5 is externally provided with internal layer separation layer 6, and the internal layer separation layer 6 is externally provided with outer layer separation layer 7,7 peripheral hardware of outer layer separation layer
There are fireprotection layer 8, the fireprotection layer 8 to use the fire proofing material containing magnetic powder, magnesia, ceramics, there is excellent fire protecting performance, institute
It states fireprotection layer 8 and is externally provided with outer layer flame-retardant layer 9, the outer layer flame-retardant layer 9 is externally provided with oversheath 10, and the internal layer separation layer 6 is aluminium
Compo pipe separation layer can also be aluminum pipe separation layer, and aluminium-alloy pipe separation layer or aluminum pipe separation layer fusing point are high, have anti-well
Fiery performance when a fire can keep apart insulated wire cores and flame, and fire-retardant to the filled layer of internal layer 4 and internal layer
Layer 5 plays fixed function, improves antidetonation, the compressive property of cable, avoids the damage because shaking and impacting generation, while will be exhausted
Edge core is isolated with water and steam, make cable have excellent water resistance, the outer layer separation layer 7 be crosslinked polyethylene every
Absciss layer, it is axially arranged with several raised lines 11 to 7 upper edge of outer layer separation layer, and the fire prevention layer material containing magnesia has excellent
Fire protecting performance, but its molding and fixed performance are poor, are difficult to adhere in smooth surface, if therefore being equipped on outer layer separation layer 7
Dry raised line 11, to facilitate fireprotection layer 8 to adhere to, the section of the raised line 11 is trapezoidal, has not only facilitated fireprotection layer 8 to adhere to, but also will not be right
The wrapped of outer layer flame-retardant layer 9 impacts.
The insulating layer 2 is Mica tape layer, serves as the insulating materials between conductor 1.
Colour band 3 is equipped in the insulating layer 2, for distinguishing different insulated wire cores.
The filled layer 4 is halogen-free flameproof filled layer, while ensureing cable roundness, can be played certain fire-retardant
Effect.
The internal layer flame-retardant layer 5 and outer layer flame-retardant layer 9 are high fire-retardance glass fiber belt around the cladding, high fire-retardance glass fiber tape
At a certain temperature, metal oxide can be resolved into and the crystallization water is precipitated, play absorption flue gas, sedimentation soot, heat absorption, obstruction
The effect of oxygen and fuel gas flowing, and then the further burning of cable can be prevented.
The oversheath 10 is cross-linked polyolefin oversheath, can effectively improve the fire retardancy of cable, also improve
The safety of cable.
With reference to figure 2, Fig. 2 is the structural schematic diagram of the second embodiment of the utility model, is based on embodiment one, the outer shield
Set 10 is equipped with several strip protrusions 12, can be to avoid to the abrasion of cable, extending the service life of cable in use.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify to the technical solution recorded in previous embodiment, or be equal to which part technical characteristic
It replaces；And these modifications or replacements, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of fireproof cable, it is characterised in that：Including cable core, the cable core is twisted by a plurality of insulated core, described exhausted
Edge core includes conductor (1), and the conductor (1) is wrapped with insulating layer (2), and the gap between a plurality of insulated core is equipped with
Filled layer (4), the filled layer (4) are externally provided with internal layer flame-retardant layer (5), and the internal layer flame-retardant layer (5) is externally provided with internal layer separation layer
(6), the internal layer separation layer (6) is externally provided with outer layer separation layer (7), and the outer layer separation layer (7) is externally provided with fireprotection layer (8), institute
It states fireprotection layer (8) and is externally provided with outer layer flame-retardant layer (9), the outer layer flame-retardant layer (9) is externally provided with oversheath (10), the internal layer isolation
Layer (6) is aluminium-alloy pipe separation layer, and the outer layer separation layer (7) is crosslinked polyethylene separation layer, on the outer layer separation layer (7)
Equipped with several raised lines (11).
2. a kind of fireproof cable according to claim 1, it is characterised in that：The insulated wire cores are five.
3. a kind of fireproof cable according to claim 1, it is characterised in that：The insulating layer (2) is Mica tape layer.
4. a kind of fireproof cable according to claim 1, it is characterised in that：Colour band (3) is equipped in the insulating layer (2).
5. a kind of fireproof cable according to claim 1, it is characterised in that：The filled layer (4) is filled for halogen-free flameproof
Layer.
6. a kind of fireproof cable according to claim 1, it is characterised in that：The internal layer flame-retardant layer (5) and outer layer are fire-retardant
Layer (9) is high fire-retardance glass fiber belt around the cladding.
7. a kind of fireproof cable according to claim 1, it is characterised in that：The fireprotection layer (8) uses containing magnetic powder, oxygen
Change the fire proofing material of magnesium, ceramics.
8. a kind of fireproof cable according to claim 1, it is characterised in that：The oversheath (10) is outside cross-linked polyolefin
Sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820221144.3U CN207993540U (en) | 2018-02-08 | 2018-02-08 | A kind of fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820221144.3U CN207993540U (en) | 2018-02-08 | 2018-02-08 | A kind of fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993540U true CN207993540U (en) | 2018-10-19 |
Family
ID=63823177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820221144.3U Expired - Fee Related CN207993540U (en) | 2018-02-08 | 2018-02-08 | A kind of fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993540U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575409A (en) * | 2018-11-02 | 2019-04-05 | 常州八益电缆股份有限公司 | Nuclear island inner cable halogen-free flameproof jacket material, cable jacket layer and preparation method |
| CN110010289A (en) * | 2019-04-08 | 2019-07-12 | 安徽埃克森科技集团有限公司 | A kind of fire-type cable for ship |
| CN112908527A (en) * | 2019-12-03 | 2021-06-04 | 广州澳通电线电缆有限公司 | High heat dispersion fireproof cable |
-
2018
- 2018-02-08 CN CN201820221144.3U patent/CN207993540U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575409A (en) * | 2018-11-02 | 2019-04-05 | 常州八益电缆股份有限公司 | Nuclear island inner cable halogen-free flameproof jacket material, cable jacket layer and preparation method |
| CN110010289A (en) * | 2019-04-08 | 2019-07-12 | 安徽埃克森科技集团有限公司 | A kind of fire-type cable for ship |
| CN112908527A (en) * | 2019-12-03 | 2021-06-04 | 广州澳通电线电缆有限公司 | High heat dispersion fireproof cable |
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| 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: 20181019 Termination date: 20200208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |