CN209543957U - Resist bending fireproof cable - Google Patents
Resist bending fireproof cable Download PDFInfo
- Publication number
- CN209543957U CN209543957U CN201920573775.6U CN201920573775U CN209543957U CN 209543957 U CN209543957 U CN 209543957U CN 201920573775 U CN201920573775 U CN 201920573775U CN 209543957 U CN209543957 U CN 209543957U
- Authority
- CN
- China
- Prior art keywords
- layer
- glass fiber
- temperature line
- inner conductor
- fiber high
- 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
Links
- 238000005452 bending Methods 0.000 title claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 32
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 239000003365 glass fiber Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000002265 prevention Effects 0.000 claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010445 mica Substances 0.000 claims abstract description 5
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009954 braiding Methods 0.000 claims abstract description 4
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 239000003063 flame retardant Substances 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract description 4
- 239000004703 cross-linked polyethylene Substances 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The utility model discloses a kind of resist bending fireproof cables, including inner conductor, the outside of the inner conductor is successively coated with the first semiconductive shielding layer, insulate fire guard winding layer, glass fiber high-temperature line winding layer, second semiconductive shielding layer, copper strips lapped shielding layer, it prevents fires wrapped belt and oversheath, the inner conductor is constituted by tin-coated copper monofilament is twisted, the insulation fire guard winding layer is insulation fire guard one-way spiral winding arrangement, the insulation fire guard is cross-linked polyethylene resin outer layer and mica tape internal layer bilayer bonded one-body structure, the glass fiber high-temperature line winding layer is layer glass fiber high temperature line reverse spiral winding braiding structure each other, the glass fiber high-temperature line around away from for 4mm to 10mm, the wrapped belt of fire prevention is ceramic silica gel composite band lapping structure.Its good bending property, can stronger adaptation lay working condition, have good fire protecting performance.
Description
Technical field
The utility model relates to cable and wire technical field, in particular to a kind of resist bending fireproof cable.
Background technique
In the fire occurred at home, the fire caused by the wire and cable accounts for larger proportion, in fire generating process
Ignite in wire and cable can retardant insulating material and sheath material, can further lead to the extension of fire incident, burn
The toxic gas given out causes casualties, and the measure that can also hinder fire fighter that fire extinguishing is taken to rescue in time is not only easy
It causes any property loss, or even is related to personnel casualty accidents.Common fireproof cable encounters bending and distortion in laid processes
When deformation, the fire prevention twining package tape of coiled conductor, which is deviated and distorted, to be easy to expose gap, is easily caused conductor and is exposed fireprotection layer,
To reduce fire protecting performance, while insulation shielding performance can be also reduced, reduce service life.
Utility model content
In view of the deficiencies of the prior art, the technical problem to be solved is that provide a kind of anti-thermoelectricity of resist bending for the utility model
Cable, good bending property, can stronger adaptation lay working condition, have good fire protecting performance.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
Resist bending fireproof cable, including inner conductor, the outside of the inner conductor be successively coated with the first semiconductive shielding layer,
Insulate fire guard winding layer, glass fiber high-temperature line winding layer, the second semiconductive shielding layer, copper strips lapped shielding layer, fire prevention around
Belting layer and oversheath, the inner conductor are constituted by tin-coated copper monofilament is twisted, and the insulation fire guard winding layer is insulation fire prevention
Band one-way spiral winding arrangement, the insulation fire guard are cross-linked polyethylene resin outer layer and mica tape internal layer bilayer bonding one
Structure, the glass fiber high-temperature line winding layer are layer glass fiber high temperature line reverse spiral winding braiding structure each other, institute
State glass fiber high-temperature line around away from for 4mm to 10mm, the wrapped belt of fire prevention is ceramic silica gel composite band lapping structure.
Preferably, it is described insulation fire guard around away from for the glass fiber high-temperature line around away from 1 to 2 times.
Preferably, the oversheath is low-smoke and halogen-free flame retardant polyolefin jacket.
Preferably, the inner conductor is constituted by the tin-coated copper monofilament that diameter is 0.05mm to 0.08mm is twisted.
Preferably, the half with a thickness of the inner conductor diameter of the insulation fire guard winding layer to three/
One.
Preferably, the thickness of first semiconductive shielding layer and second semiconductive shielding layer be 0.7mm extremely
0.8mm。
Preferably, the copper strips overlapping that the copper strips lapped shielding layer is thickness 0.1mm wrapped forms and overlap rate is not small
In 15%.
Preferably, the oversheath is with a thickness of 1.3mm to 1.8mm.
The utility model has the beneficial effects that
1. on insulation fire guard winding layer, by layer glass fiber high temperature line, reverse spiral winding is woven into glass each other
Glass fiber high temperature line winding layer can be effectively prevented insulation fire guard and deviate during bending and distortion and gap occur, long
In phase use process, keep cable flexible simultaneously, cable has good shielding insulation performance and fire protecting performance always.
2. the fire guard that insulate is cross-linked polyethylene resin outer layer and mica tape internal layer bilayer bonded one-body structure, inside is led
Body forms excellent hot-face insulation performance, and has good flexural property.
3. low-smoke and halogen-free flame retardant polyolefin jacket can not generate visible flame when meeting with burning, will not in combustion process
A large amount of toxic smogs are generated, when fire occurs, is that action is rescued in the fire extinguishing of fireman, has striven for more times, to reduce
Property loss and personal safety accident.
Detailed description of the invention
The following drawings is intended to not constitute the limitation to scope of protection of the utility model convenient for description preferred embodiment.Fig. 1
It is the section structure diagram of the utility model embodiment.
In figure: 1- inner conductor, the first semiconductive shielding layer of 2-, 3- insulation fire guard winding layer, 4- glass fiber high-temperature line
Winding layer, the second semiconductive shielding layer of 5-, 6- copper strips lapped shielding layer, the wrapped belt of 7- fire prevention, 8- oversheath.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description.
As shown in Figure 1, the resist bending fireproof cable of the utility model embodiment, including inner conductor 1, the inner conductor 1 by
Tin-coated copper monofilament is twisted to be constituted, and specifically, the inner conductor 1 is twisted by the tin-coated copper monofilament that diameter is 0.05mm to 0.08mm
It constitutes, in this way, keeping the good flexibility of cable, bendability and flexibility.
The outside of the inner conductor 1 is successively coated with the first semiconductive shielding layer 2, insulation fire guard winding layer 3, glass fibers
Tie up higher temperature line winding layer 4, the second semiconductive shielding layer 5, copper strips lapped shielding layer 6, the wrapped belt 7 of fire prevention and oversheath 8.In order to
Lesser bending radius is kept, the thickness of the insulation fire guard winding layer 3 is preferably the half of 1 diameter of inner conductor
To one third.The insulation fire guard winding layer 3 is insulation fire guard one-way spiral winding arrangement, and the insulation fire guard is
Cross-linked polyethylene resin outer layer and mica tape internal layer bilayer bonded one-body structure.The glass fiber high-temperature line winding layer 4 is two
Layer glass fiber high-temperature line reverse spiral winding braiding structure each other, the glass fiber high-temperature line around away from for 4mm to 10mm,
Further, it is described insulation fire guard around away from for the glass fiber high-temperature line around away from 1 to 2 times.First semiconductive
0.7mm can be used to 0.8mm in the thickness of shielded layer 2 and second semiconductive shielding layer 5.The copper strips lapped shielding layer 6 is
The copper strips overlapping of thickness 0.1mm is wrapped to be formed and overlap rate is not less than 15%.The wrapped belt 7 of fire prevention is that ceramic silica gel is compound
Band lapping structure.The oversheath 8 be low-smoke and halogen-free flame retardant polyolefin jacket, 8 thickness of oversheath be preferably 1.3mm extremely
1.8mm。
Above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to the foregoing embodiments
The application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the range of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. resist bending fireproof cable, it is characterized in that: including inner conductor (1), the outside of the inner conductor (1) is successively coated with first
Semiconductive shielding layer (2), insulation fire guard winding layer (3), glass fiber high-temperature line winding layer (4), the second semiconductive shielding layer
(5), copper strips lapped shielding layer (6), the wrapped belt (7) of fire prevention and oversheath (8), the inner conductor (1) are twisted by tin-coated copper monofilament
It closes and constitutes, the insulation fire guard winding layer (3) is insulation fire guard one-way spiral winding arrangement, and the insulation fire guard is to hand over
Join polyvinyl resin outer layer and mica tape internal layer bilayer bonded one-body structure, the glass fiber high-temperature line winding layer (4) is two
Layer glass fiber high-temperature line reverse spiral winding braiding structure each other, the glass fiber high-temperature line around away from for 4mm to 10mm,
The wrapped belt (7) of fire prevention is ceramic silica gel composite band lapping structure.
2. resist bending fireproof cable according to claim 1, it is characterized in that: the insulation fire guard around away from for the glass
Glass fiber high temperature line around away from 1 to 2 times.
3. resist bending fireproof cable according to claim 1, it is characterized in that: the oversheath (8) is low-smoke non-halogen flame-retardant
Polyolefin jacket.
4. resist bending fireproof cable according to claim 1, it is characterized in that: the inner conductor (1) is 0.05mm by diameter
Tin-coated copper monofilament to 0.08mm is twisted composition.
5. resist bending fireproof cable according to claim 1, it is characterized in that: the thickness of insulation fire guard winding layer (3)
Degree is the half of the inner conductor (1) diameter to one third.
6. resist bending fireproof cable according to claim 1, it is characterized in that: first semiconductive shielding layer (2) and institute
The thickness for stating the second semiconductive shielding layer (5) is 0.7mm to 0.8mm.
7. resist bending fireproof cable according to claim 1, it is characterized in that: the copper strips lapped shielding layer (6) is thickness
The copper strips overlapping of 0.1mm is wrapped to be formed and overlap rate is not less than 15%.
8. resist bending fireproof cable according to claim 1, it is characterized in that: the oversheath (8) with a thickness of 1.3mm extremely
1.8mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573775.6U CN209543957U (en) | 2019-04-25 | 2019-04-25 | Resist bending fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573775.6U CN209543957U (en) | 2019-04-25 | 2019-04-25 | Resist bending fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209543957U true CN209543957U (en) | 2019-10-25 |
Family
ID=68246404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920573775.6U Expired - Fee Related CN209543957U (en) | 2019-04-25 | 2019-04-25 | Resist bending fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209543957U (en) |
-
2019
- 2019-04-25 CN CN201920573775.6U patent/CN209543957U/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 |
Granted publication date: 20191025 |