CN205451888U - Flame -retardant power cable - Google Patents
Flame -retardant power cable Download PDFInfo
- Publication number
- CN205451888U CN205451888U CN201620256555.7U CN201620256555U CN205451888U CN 205451888 U CN205451888 U CN 205451888U CN 201620256555 U CN201620256555 U CN 201620256555U CN 205451888 U CN205451888 U CN 205451888U
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Abstract
The utility model provides a flame -retardant power cable, including glass fiber high temperature rope, first sinle silk group, second fibre core group, fire -retardant area, first filling layer, fire -retardant inner liner, shielding layer, armor, fire -retardant outer lining, oversheath, first sinle silk group uses glass fiber high temperature to restrict to the central symmetry setting including two first sinle silks, two first sinle silks, second sinle silk group uses glass fiber high temperature to restrict to the central symmetry setting including two second sinle silks, two second sinle silks, fire -retardant inner liner parcel is in first sinle silk group, the second sinle silk group outside, and it has first filling layer to pack between fire -retardant inner liner, first sinle silk group, the second sinle silk group, fire -retardant area set up in first filling layer and the parcel in first sinle silk group, the second sinle silk group outside, the shielding layer parcel is in the fire -retardant inner liner outside, the armor parcel is in the shielding layer outside, fire -retardant outer lining parcel is in the armor outside, the oversheath parcel is outside fire -retardant outside the lining. The utility model discloses excellent mechanical properties and fire behaviour have.
Description
Technical field
This utility model relates to power cable technical field, particularly relates to a kind of flame-proof power cable.
Background technology
Cable in the development of the national economy as handling cable and propagate information carrier, serve huge effect, quickening along with urbanization process, electric power transmission and the fast development of communication, make people more and more higher to the requirement of ac power cable, the use circumstance complication of ac power cable, easily burns when running into high temperature, for some high temperature extreme environment occasion, the ac power cable of a kind of excellent fireproof performance is needed to improve the safety running occasion.
Utility model content
Based on technical problem present in background technology, the utility model proposes a kind of flame-proof power cable.
A kind of flame-proof power cable that the utility model proposes, including glass fiber high-temperature rope, the first core group, the second fibre core group, inhibiting tape, the first packed layer, fire-retardant inner liner, screen layer, armor, fire-retardant outer lining, oversheath, wherein:
First core group includes that two the first cores, two the first cores are symmetrical arranged centered by glass fiber high-temperature rope, and the first core all leans with glass fiber high-temperature rope；First core includes center strengthening core, the first conductor group, polyvinyl chloride insulation layer and is filled in center strengthening core, the second packed layer between the first conductor group and polyvinyl chloride insulation layer；
Second core group includes that two the second cores, two the second cores are symmetrical arranged centered by glass fiber high-temperature rope, and the second core all leans with glass fiber high-temperature rope；Second core includes the second conductor group, crosslinked polyetylene insulated layer and is filled in the 3rd packed layer between the second conductor group and crosslinked polyetylene insulated layer；
Fire-retardant inner liner is wrapped in outside the first core group, the second core group, it is filled with the first packed layer between fire-retardant inner liner, the first core group, the second core group, inhibiting tape is arranged in the first packed layer and is wrapped in outside the first core group, the second core group, screen layer is wrapped in outside fire-retardant inner liner, armor is wrapped in outside screen layer, fire-retardant outer lining is wrapped in outside armor, and oversheath is wrapped in outside fire-retardant outer lining.
Preferably, the first conductor group includes three mutual stranded tin-coated copper cores, is all enclosed with the first sub-shield outside tin-coated copper core, and three tin-coated copper cores are distributed on the circumference centered by the strengthening core of center, and tin-coated copper core Jun Yu center strengthening core leans.
Preferably, the second conductor group includes three mutual stranded tin plating thread core of aluminum, is all enclosed with the second sub-shield outside tin plating thread core of aluminum.
Preferably, inhibiting tape uses glass fiber material braiding to form, and count is 97.5%-98.5%.
Preferably, screen layer is woven into netted by tinned copper wire, and count is not less than 88%.
Preferably, the first core all the second cores with arbitrary neighborhood lean.
This utility model manufacturing process is: synnema obtains the first conductor group, the second conductor group, first conductor group extrudes pvc material form the first core, the second conductor group extrudes cross-linking polyethylene materials form the second core, cross spark line falling, first core group, the second core group extrude fire-retardant inner liner, it is filled with between fire-retardant inner liner and the first core group, the second core group, stranding, woven shield after procedure inspection, armor, fire-retardant outer lining is added successively after procedure inspection, extruding oversheath, inspection obtains flame-proof power cable.
This utility model, lays fire-retardant outer lining at oversheath and armouring interlayer, stops external heat to be delivered to inside cable, improves the fire resistance of cable；Armor is laid between screen layer and fire-retardant outer lining, increase the mechanical strength of power cable, when extraneous propagation of flame is to internal layer, it is ensured that screen layer internal material departs from the most easily, thus internal material is effectively stoped to come off the spot fire caused, and armor has certain thermal diffusivity, heat can be made quickly not conduct to cable, fire-retardant outer lining, armor and inhibiting tape synergism, the fire resistance of power cable can be further enhanced, and its low cost, there is good economic benefit different.Fire-retardant inner liner and inhibiting tape that screen layer internal layer is arranged can effectively prevent extraneous propagation of flame to internal layer; well one layer of heat insulation filter Thermal protection band is set inside screen layer; heat is avoided to conduct to the first core group, the second core group; the heat that inhibiting tape the most well stops the first core group, the second core group work to produce simultaneously dissipates outward, drastically increases the safety that device systems runs；Being provided with glass fiber high-temperature rope between further first core group, the second core group, glass fiber high-temperature rope has the main performances such as high temperature resistant, corrosion-resistant, high intensity, is arranged on the center of core, improves the heat dispersion of cable, resistance to elevated temperatures and intensity.Screen layer, fire-retardant inner liner, packed layer and insulating barrier synergism, constitute the protection of the power cable second layer, and mechanics and the fire resistance of power cable further enhance, it is ensured that even if power cable extreme environment also can be properly functioning.This utility model has excellent mechanical performance and fire resistance, and security performance is high, and low cost, and processing technology is simple.
Accompanying drawing explanation
Fig. 1 is a kind of flame-proof power cable structural representation that the utility model proposes.
Detailed description of the invention
With reference to Fig. 1, the utility model proposes a kind of flame-proof power cable, including glass fiber high-temperature rope the 1, first core 2 groups, the second fibre core group, inhibiting tape the 4, first packed layer 5, fire-retardant inner liner 6, screen layer 7, armor 8, fire-retardant outer lining 9, oversheath 10, wherein:
First core group includes that two the first cores 2, two the first cores 2 are symmetrical arranged centered by glass fiber high-temperature rope 1, and the first core 2 all leans with glass fiber high-temperature rope 1；First core 2 includes center strengthening core the 21, first conductor group 22, polyvinyl chloride insulation layer 23 and is filled in the second packed layer 24 between center strengthening core the 21, first conductor group 22 and polyvinyl chloride insulation layer 23.First conductor group 22 includes three mutual stranded tin-coated copper cores 211, tin-coated copper core 211 is outer is all enclosed with the first sub-shield 212, three tin-coated copper cores 211 are distributed on the circumference centered by center strengthening core 21, and tin-coated copper core 211 Jun Yu center strengthening core 21 leans.
Second core group includes that two the second cores 3, two the second cores 3 are symmetrical arranged centered by glass fiber high-temperature rope 1, and the second core 3 all the first cores 2 with glass fiber high-temperature rope 1, arbitrary neighborhood lean；Second core 3 includes the second conductor group 31, crosslinked polyetylene insulated layer 32 and is filled in the 3rd packed layer 33 between the second conductor group 31 and crosslinked polyetylene insulated layer 32.Second conductor group 31 includes three mutual stranded tin plating thread core of aluminum 311, and tin plating thread core of aluminum 311 is outer is all enclosed with the second sub-shield 312.
Fire-retardant inner liner 6 is wrapped in outside the first core group, the second core group.It is filled with the first packed layer 5 between fire-retardant inner liner the 6, first core group, the second core group.In inhibiting tape 4 is arranged on the first packed layer 5 and be wrapped in outside the first core group, the second core group, inhibiting tape 4 uses glass fiber material braiding to form, and count is 97.5%-98.5%.Screen layer 7 is wrapped in outside fire-retardant inner liner 6, and screen layer 7 is woven into netted by tinned copper wire, and count is not less than 88%.Armor 8 is wrapped in outside screen layer 7, and fire-retardant outer lining 9 is wrapped in outside armor 8, and oversheath 10 is wrapped in outside fire-retardant outer lining 9.
A kind of flame-proof power cable that the utility model proposes, lays fire-retardant outer lining 9 between oversheath 10 and armor 8, stops external heat to be delivered to inside cable, improves the fire resistance of cable；Armor 8 is laid between screen layer 7 and fire-retardant outer lining 9, increase the mechanical strength of power cable, when extraneous propagation of flame is to internal layer, it is ensured that screen layer 7 internal material departs from the most easily, thus internal material is effectively stoped to come off the spot fire caused, and armor 8 has certain thermal diffusivity, heat can be made quickly not conduct to cable, fire-retardant outer lining 9, armor 8 synergism, the fire resistance of power cable can be further enhanced, and its low cost, there is good economic benefit different.Fire-retardant inner liner 6 and inhibiting tape 4 that screen layer 7 internal layer is arranged can effectively prevent extraneous propagation of flame to internal layer; well one layer of heat insulation filter Thermal protection band is set inside screen layer 7; heat is avoided to conduct to the first core group, the second core group; the heat that inhibiting tape the most well stops the first core group, the second core group work to produce simultaneously dissipates outward, drastically increases the safety that device systems runs；It is provided with glass fiber high-temperature rope 1 between further first core group, the second core group, glass fiber high-temperature rope 1 has the main performances such as high temperature resistant, corrosion-resistant, high intensity, it is arranged on the center of core, improves the heat dispersion of cable, resistance to elevated temperatures and intensity.Screen layer 7, fire-retardant inner liner 8, packed layer 6 and insulating barrier synergism, constitute the protection of the power cable second layer, and mechanics and the fire resistance of power cable further enhance, it is ensured that even if power cable extreme environment also can be properly functioning.This utility model has excellent mechanical performance and fire resistance, and security performance is high, and low cost, and processing technology is simple.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; conceive equivalent or change in addition according to the technical solution of the utility model and utility model thereof, all should contain within protection domain of the present utility model.
Claims (6)
1. a flame-proof power cable, it is characterized in that, including glass fiber high-temperature rope (1), the first core (2) group, the second fibre core group, inhibiting tape (4), the first packed layer (5), fire-retardant inner liner (6), screen layer (7), armor (8), fire-retardant outer lining (9), oversheath (10), wherein:
First core group includes two the first cores (2), two the first cores (2) are symmetrical arranged centered by glass fiber high-temperature rope (1), and the first core (2) all leans with glass fiber high-temperature rope (1)；First core (2) includes center strengthening core (21), the first conductor group (22), polyvinyl chloride insulation layer (23) and is filled in center strengthening core (21), the second packed layer (24) between the first conductor group (22) and polyvinyl chloride insulation layer (23)；
Second core group includes two the second cores (3), two the second cores (3) are symmetrical arranged centered by glass fiber high-temperature rope (1), and the second core (3) all leans with glass fiber high-temperature rope (1)；Second core (3) includes the second conductor group (31), crosslinked polyetylene insulated layer (32) and is filled in the 3rd packed layer (33) between the second conductor group (31) and crosslinked polyetylene insulated layer (32)；
Fire-retardant inner liner (6) is wrapped in the first core group, outside second core group, fire-retardant inner liner (6), first core group, the first packed layer (5) it is filled with between second core group, inhibiting tape (4) is arranged in the first packed layer (5) and is wrapped in the first core group, outside second core group, screen layer (7) is wrapped in fire-retardant inner liner (6) outside, armor (8) is wrapped in screen layer (7) outside, fire-retardant outer lining (9) is wrapped in armor (8) outside, oversheath (10) is wrapped in fire-retardant outer lining (9) outside.
Flame-proof power cable the most according to claim 1, it is characterized in that, first conductor group (22) includes three mutual stranded tin-coated copper cores (211), tin-coated copper core (211) is the most all enclosed with the first sub-shield (212), three tin-coated copper cores (211) are distributed on the circumference centered by center strengthening core (21), and tin-coated copper core (211) Jun Yu center strengthening core (21) leans.
Flame-proof power cable the most according to claim 1, it is characterized in that, second conductor group (31) includes three mutual stranded tin plating thread core of aluminum (311), and tin plating thread core of aluminum (311) is the most all enclosed with the second sub-shield (312).
4. according to the flame-proof power cable according to any one of claim 1-3, it is characterised in that inhibiting tape (4) uses glass fiber material braiding to form, and count is 97.5%-98.5%.
5., according to the flame-proof power cable according to any one of claim 1-3, it is characterised in that screen layer (7) is woven into netted by tinned copper wire, count is not less than 88%.
6. according to the flame-proof power cable according to any one of claim 1-3, it is characterised in that the first core (2) all the second cores (3) with arbitrary neighborhood lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256555.7U CN205451888U (en) | 2016-03-30 | 2016-03-30 | Flame -retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256555.7U CN205451888U (en) | 2016-03-30 | 2016-03-30 | Flame -retardant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205451888U true CN205451888U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256555.7U Expired - Fee Related CN205451888U (en) | 2016-03-30 | 2016-03-30 | Flame -retardant power cable |
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| Country | Link |
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| CN (1) | CN205451888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761807A (en) * | 2016-03-30 | 2016-07-13 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
-
2016
- 2016-03-30 CN CN201620256555.7U patent/CN205451888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761807A (en) * | 2016-03-30 | 2016-07-13 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
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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 |
Granted publication date: 20160810 Termination date: 20170330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |