CN204270702U - A kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance - Google Patents
A kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance Download PDFInfo
- Publication number
- CN204270702U CN204270702U CN201420799736.5U CN201420799736U CN204270702U CN 204270702 U CN204270702 U CN 204270702U CN 201420799736 U CN201420799736 U CN 201420799736U CN 204270702 U CN204270702 U CN 204270702U
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- China
- Prior art keywords
- flame retardant
- cable
- layer
- core
- fire
- 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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- 239000003063 flame retardant Substances 0.000 title claims abstract description 42
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 19
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 11
- 238000004049 embossing Methods 0.000 claims description 10
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
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- 229910052760 oxygen Inorganic materials 0.000 claims description 3
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- 238000005452 bending Methods 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
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- 210000003491 Skin Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance, it comprises several cables inner core, conductor shield, insulating barrier and insulation screen that described cable inner core comprises conductor wire core and is wrapped in successively from inside to outside outside described conductor wire core; Described cable inner core outer sleeve is equipped with copper strips lapped shielding layer, is surrounded with two-layer flame retardant coating outside described copper strips lapped shielding layer, is extruded with thermal insulation layer between two-layer described flame retardant coating; Described thermal insulation layer is outside equipped with gear fire bed, and described gear fire bed is outside equipped with oversheath.The utility model adopt heat insulation, fire-resistant, keep off fiery structure, insulating performance of cable is made to meet the voltage request of resistance to 10kV, be applicable to power supply reliability require high, when breaking out of fire require cable main for circuit keep be no less than 90 minutes electrical continuity in case personnel withdraw the place with the Emergency use of fire protection equipment, in heavy construction, have good value for applications.
Description
Technical field
The utility model relates to a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance.
Background technology
At present, the common fire-retardant 10kV cross-linked polyethylene insulated cable that market is sold is generally adopt cross-linking polyethylene insulated fire resistant pvc sheath, although the electric pressure used is identical, but its anti-flammability is general, and heat-proof quality is poor, fire-resistant needs can not be ensured, even if flame retardant coating on its skin is coated simply, increase Ceramic silicon rubber layer interior protecting, also because heat insulation gear fire is inadequate under flame condition, make insulation damages, cause cable breakdown, thus cause damage, impact power supply.
In order to solve the problems such as the poor-performings such as existing common fire-retardant 10kV cross-linked polyethylene insulated cable is fire-retardant, heat insulation, fire-resistant, the scope of application is limited, the present inventor improves for the performance of common fire-retardant 10kV cross-linked polyethylene insulated cable specially, then has this case to produce.
Utility model content
The technical problems to be solved in the utility model is the defect overcoming prior art, provides a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance of the utility model, it comprises several cables inner core, conductor shield, insulating barrier and insulation screen that described cable inner core comprises conductor wire core and is wrapped in successively from inside to outside outside described conductor wire core; Described cable inner core outer sleeve is equipped with copper strips lapped shielding layer, is surrounded with two-layer flame retardant coating outside described copper strips lapped shielding layer, is extruded with thermal insulation layer between two-layer described flame retardant coating; Described thermal insulation layer is outside equipped with gear fire bed, and described gear fire bed is outside equipped with oversheath.
Further, described cable inner core is set to three.
Further, packed layer is extruded with in the gap of some described cable inner cores.
Further, to be that double-deck synthetic mica tape is overlapping wrappedly form described flame retardant coating, and every layer thickness is 0.20mm.
Further, the material of described thermal insulation layer is Ceramic silicon rubber.
Further, described gear fire bed is that copper strips vertical bag welding embossing forms.
Further, the material of described packed layer is the high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin that oxygen index is greater than 45.
Further, described gear fire bed is that after individual layer 1mm copper strips adopts the vertical bag of argon arc welding, embossing forms.
Further, described oversheath is that the low halogen material of high flame resistance, low smoke is made.
The utility model adds man-hour, at cable inner core gap-fill high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin, after the overlapping wrapped double-deck synthetic mica tape in outside, extrude Ceramic silicon rubber, overlapping wrapped double-deck synthetic mica tape again, be that 1mm copper strips individual layer vertical bag welding embossing wraps in outside flame retardant coating with thickness again, finally extrude low-smoke low-halogen pvc sheath.
The beneficial effect that the utility model reaches is:
After adopting said structure, the utility model is at cable core gap-fill high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin, and heat at high temperature can be stoped to continue to spread to insulated wire cores, and protection insulation is injury-free, promotes the flame-retardant performance of cable; Adopt double-deck synthetic mica tape overlapping wrapped as flame retardant coating outward at cable core, heat and flame can be stoped to continue to spread to cable core; In the middle of two-layer flame retardant coating, extrude Ceramic silicon rubber as thermal insulation layer, thermal insulation layer is nonflammable material, and heat conduction efficiency is low, and heat can be stoped to transmit fast; Adopt copper strips vertical bag welding embossing as gear fire bed, cable is had and stops that flame spreads to cable core, the bending property of cable can be improved simultaneously, copper strips has resistance to elevated temperatures, flame is difficult to penetrate copper strips and enters thermal insulation layer, can ensure within the time being no less than 90 minutes, effectively can stop that flame or high temperature are to the damage of primary insulation, make cable keep electric wiring integrality; When oversheath adopts low-smoke low-halogen polyvinyl chloride that cable can be made to burn under flame, oversheath can not come off, the flame-retardant performance of further improving product.
The utility model adopt heat insulation, fire-resistant, keep off fiery structure, insulating performance of cable is made to meet the voltage request of resistance to 10kV, be applicable to power supply reliability require high, when breaking out of fire require cable main for circuit keep be no less than 90 minutes electrical continuity in case personnel withdraw the place with the Emergency use of fire protection equipment, in heavy construction, have good value for applications.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, does not form restriction of the present utility model with embodiment one of the present utility model.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance of the utility model, it comprises several cables inner core 1, and described cable inner core 1 comprises conductor wire core 11 and is wrapped in conductor shield 12, insulating barrier 13 and the insulation screen 14 outside described conductor wire core 1 from inside to outside successively; Be set with copper strips lapped shielding layer 2 outside described cable inner core 1, outside described copper strips lapped shielding layer 2, be surrounded with two-layer flame retardant coating 3, between two-layer described flame retardant coating 3, be extruded with thermal insulation layer 4; Described thermal insulation layer 4 is outside equipped with gear fire bed 5, and described gear fire bed 5 is outside equipped with oversheath 6.
In the present embodiment, described cable inner core 1 is set to three; Packed layer 7 is extruded with in the gap of three described cable inner cores 1.Described flame retardant coating 3 forms for double-deck synthetic mica tape is overlapping wrapped, and every layer thickness is 0.20mm; The material of described thermal insulation layer 4 is Ceramic silicon rubber; Described gear fire bed 5 forms for the vertical bag of copper strips welds embossing; The material of described packed layer 7 is the high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin that oxygen index is greater than 45; Described gear fire bed 5 forms for individual layer 1mm copper strips adopts argon arc welding to indulge the rear embossing of bag, and described oversheath 6 is made for the low halogen material of high flame resistance, low smoke.
The utility model adds man-hour, at cable inner core 1 gap-fill high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin, after the overlapping wrapped double-deck synthetic mica tape in outside, extrude Ceramic silicon rubber, overlapping wrapped double-deck synthetic mica tape again, be that 1mm copper strips individual layer vertical bag welding embossing wraps in outside flame retardant coating 3 with thickness again, finally extrude low-smoke low-halogen pvc sheath.
After adopting said structure, the utility model is at cable core gap-fill high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin, and heat at high temperature can be stoped to continue to spread to insulated wire cores, and protection insulation is injury-free, promotes the flame-retardant performance of cable; Adopt double-deck synthetic mica tape overlapping wrapped as flame retardant coating 3 outward at cable core, heat and flame can be stoped to continue to spread to cable core; In the middle of two-layer flame retardant coating 3, extrude Ceramic silicon rubber as thermal insulation layer 4, thermal insulation layer 4 is nonflammable material, and heat conduction efficiency is low, and heat can be stoped to transmit fast; Adopt copper strips vertical bag welding embossing as gear fire bed 5, cable is had and stops that flame spreads to cable core, the bending property of cable can be improved simultaneously, copper strips has resistance to elevated temperatures, flame is difficult to penetrate copper strips and enters thermal insulation layer 4, can ensure within the time being no less than 90 minutes, effectively can stop that flame or high temperature are to the damage of primary insulation, make cable keep electric wiring integrality; When oversheath 6 adopts low-smoke low-halogen polyvinyl chloride that cable can be made to burn under flame, oversheath 6 can not come off, the flame-retardant performance of further improving product.
The utility model adopt heat insulation, fire-resistant, keep off fiery structure, insulating performance of cable is made to meet the voltage request of resistance to 10kV, be applicable to power supply reliability require high, when breaking out of fire require cable main for circuit keep be no less than 90 minutes electrical continuity in case personnel withdraw the place with the Emergency use of fire protection equipment, in heavy construction, have good value for applications.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. one kind has the 10kV cross-linked polyethylene insulated cable of fire resistant flame retardant performance, it is characterized in that, comprise several cables inner core, conductor shield, insulating barrier and insulation screen that described cable inner core comprises conductor wire core and is wrapped in successively from inside to outside outside described conductor wire core; Described cable inner core outer sleeve is equipped with copper strips lapped shielding layer, is surrounded with two-layer flame retardant coating outside described copper strips lapped shielding layer, is extruded with thermal insulation layer between two-layer described flame retardant coating; Described thermal insulation layer is outside equipped with gear fire bed, and described gear fire bed is outside equipped with oversheath.
2. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, it is characterized in that, described cable inner core is set to three.
3. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, is characterized in that, be extruded with packed layer in the gap of some described cable inner cores.
4. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, is characterized in that, to be that double-deck synthetic mica tape is overlapping wrappedly form described flame retardant coating, and every layer thickness is 0.20mm.
5. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, is characterized in that, the material of described thermal insulation layer is Ceramic silicon rubber.
6. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, is characterized in that, described gear fire bed is that copper strips vertical bag welding embossing forms.
7. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 3, is characterized in that, the material of described packed layer is the high-flame-retardanthalogen-free halogen-free low-smoke flame-proof polyolefin that oxygen index is greater than 45.
8. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, is characterized in that, described gear fire bed is that after individual layer 1mm copper strips adopts the vertical bag of argon arc welding, embossing forms.
9. a kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance according to claim 1, is characterized in that, described oversheath is that the low halogen material of high flame resistance, low smoke is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799736.5U CN204270702U (en) | 2014-12-15 | 2014-12-15 | A kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799736.5U CN204270702U (en) | 2014-12-15 | 2014-12-15 | A kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance |
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| Publication Number | Publication Date |
|---|---|
| CN204270702U true CN204270702U (en) | 2015-04-15 |
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| CN201420799736.5U Expired - Fee Related CN204270702U (en) | 2014-12-15 | 2014-12-15 | A kind of 10kV cross-linked polyethylene insulated cable with fire resistant flame retardant performance |
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| CN (1) | CN204270702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637733A (en) * | 2018-12-05 | 2019-04-16 | 安徽华能电缆集团有限公司 | A kind of high voltage flame resistant cable and preparation method thereof |
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2014
- 2014-12-15 CN CN201420799736.5U patent/CN204270702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637733A (en) * | 2018-12-05 | 2019-04-16 | 安徽华能电缆集团有限公司 | A kind of high voltage flame resistant cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150415 Termination date: 20191215 |