CN205428583U - Low smoke and zero halogen crosslinking polyethylene -insulated power cable - Google Patents
Low smoke and zero halogen crosslinking polyethylene -insulated power cable Download PDFInfo
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- CN205428583U CN205428583U CN201620256527.5U CN201620256527U CN205428583U CN 205428583 U CN205428583 U CN 205428583U CN 201620256527 U CN201620256527 U CN 201620256527U CN 205428583 U CN205428583 U CN 205428583U
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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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Abstract
The utility model provides a low smoke and zero halogen crosslinking polyethylene -insulated power cable, include that first sinle silk, many second sinle silks, filling layer, fire -retardant layer, nothing bittern wind covering, inner liner, low smoke and zero halogen flame retardant polyolefin oversheath layer, first sinle silk includes first conductor, a flameresistant material filling layer, a crosslinked polyethylene insulating layer, many second sinle silk evenly distributed are on the circumference that uses first sinle silk as the center, and the second sinle silk all includes group of conductors, the 2nd flameresistant material filling layer, the 2nd crosslinked polyethylene insulating layer, fire -retardant layer parcel be in first sinle silk, the many second sinle silk outsides, and the packing has the filling layer between fire -retardant layer, first sinle silk, many second sinle silks, do not have steamedly around the covering parcel in the fire -retardant layer outside, the inner liner parcel is not having the steamed covering outside of winding, low smoke and zero halogen flame retardant polyolefin oversheath layer parcel is in the inner liner outside. The utility model discloses can bear higher temperature, and can not produce harmful material polluted environment in high temperature environment, the feature of environmental protection can be more excellent.
Description
Technical field
This utility model relates to power cable technical field, particularly relates to a kind of low smoke and zero halogen power cable with cross-linked polyethylene insulation.
Background technology
Power cable is the cable for transmitting and distribute electric energy.It is usually used in Urban Underground electrical network, the lead line of electric station, the in-line power of industrial and mining establishment and crosses the submarine transmission line in river, excessively sea.In power circuit, the proportion shared by cable is just gradually increased.But, common polythene insulation polythene jacket cable has combustibility, it is difficult to meeting and do fire-retardant requirement, and cable is when catching fire, and discharges a large amount of dense smoke, gas has stronger corrosivity, can produce the most serious environmental pollution.
Utility model content
Based on technical problem present in background technology, the utility model proposes a kind of low smoke and zero halogen power cable with cross-linked polyethylene insulation.
A kind of low smoke and zero halogen power cable with cross-linked polyethylene insulation that the utility model proposes, including the first core, many second cores, packed layer, flame-retardant layer, Halogen lapping layer, inner liner, low smoke halogen-free flame-retardant polyolefin external sheath layers, wherein:
First core includes the first conductor, the first fire proofing packed layer, the first crosslinked polyetylene insulated layer, and the first fire proofing packed layer is wrapped in outside the first conductor, and the first crosslinked polyetylene insulated layer is wrapped in outside the first fire proofing packed layer；
Many second cores are evenly distributed on the circumference centered by the first core, second core all includes conductor group, the second fire proofing packed layer, the second crosslinked polyetylene insulated layer, second fire proofing packed layer is wrapped in outside conductor group, and the second crosslinked polyetylene insulated layer is wrapped in outside the second fire proofing packed layer；
Flame-retardant layer is wrapped in outside the first core, many second cores, is filled with packed layer between flame-retardant layer, the first core, many second cores；Halogen lapping layer is wrapped in outside flame-retardant layer；Inner liner is wrapped in outside Halogen lapping layer；Low smoke halogen-free flame-retardant polyolefin external sheath layer is wrapped in outside inner liner.
Preferably, every second core all leans with the first core, flame-retardant layer.
Preferably, conductor group includes three mutual the second stranded conductors, is all enclosed with sub-shield outside the second conductor.
Preferably, the first conductor uses tin-coated copper core.
Preferably, the second conductor uses tin-coated copper core.
Preferably, the cross-sectional area of the first core is less than the cross-sectional area of the second core.
Preferably, flame-retardant layer uses glass fiber material braiding to form, and count is 97.5%-98.5%.
This utility model is low-smoke halogen-free polyolefin restrictive coating by arranging restrictive coating, polyolefin sheath layer can ensure that power cable has good chemical proofing and resistance to water, and it is nontoxic, cold-resistant, radiation hardness, humidity, ageing-resistant, higher temperature can be born, and harmful Substances Pollution environment will not be produced in hot environment, so that its environmental-protecting performance is more excellent；By arranging flame-retardant layer, improve the fire resistance of cable, further flame-retardant layer uses glass fiber material braiding to form, and glass fiber material has the main performances such as high temperature resistant, corrosion-resistant, high intensity, improves the heat dispersion of cable, resistance to elevated temperatures and intensity.Two kinds of cable cores it are provided with inside this utility model cable, many second cable cores are distributed on the circumference centered by the first cable core, the construction of cable is the compactest, make full use of cable inner space, during long-term work, maximum amount fixed temperature is up to 90 DEG C, environmental protection and improve security performance, has good chemical proofing and resistance to water, nontoxic, cold-resistant, radiation hardness, humidity, ageing-resistant.
Accompanying drawing explanation
Fig. 1 is a kind of low smoke and zero halogen power cable with cross-linked polyethylene insulation structural representation that the utility model proposes.
Detailed description of the invention
With reference to Fig. 1, the utility model proposes a kind of low smoke and zero halogen power cable with cross-linked polyethylene insulation, including the first core 1, many second cores 2, packed layer 3, flame-retardant layer 5, Halogen lapping layer 6, inner liner 7, low smoke halogen-free flame-retardant polyolefin external sheath layers 8, wherein:
First core 1 includes first conductor the 11, first fire proofing packed layer the 12, first crosslinked polyetylene insulated layer 13, first conductor 11 uses tin-coated copper core, first fire proofing packed layer 12 is wrapped in outside the first conductor 11, and the first crosslinked polyetylene insulated layer 13 is wrapped in outside the first fire proofing packed layer 12.
Many second cores 2 are evenly distributed on the circumference centered by the first core 1, and every second core 2 all leans with the first core 1, flame-retardant layer 5, and the cross-sectional area of the second core 2 is more than the cross-sectional area of the first core 1.Second core 2 all includes conductor group, second fire proofing packed layer the 22, second crosslinked polyetylene insulated layer 23, conductor group includes three mutual the second stranded conductors 211, second conductor 211 uses tin-coated copper core, and the second conductor 211 is outer is all enclosed with sub-shield 212.Second fire proofing packed layer 22 is wrapped in outside conductor group, and the second crosslinked polyetylene insulated layer 23 is wrapped in outside the second fire proofing packed layer 22.
Flame-retardant layer 5 is wrapped in outside the first core 1, many second cores 2, and flame-retardant layer 5 uses glass fiber material braiding to form, and count is 97.5%-98.5%.It is filled with packed layer 3 between flame-retardant layer the 5, first core 1, many second cores 2.Halogen lapping layer 6 is wrapped in outside flame-retardant layer 5.Inner liner 7 is wrapped in outside Halogen lapping layer 6.Low smoke halogen-free flame-retardant polyolefin external sheath layer 8 is wrapped in outside inner liner 7.
A kind of low smoke and zero halogen power cable with cross-linked polyethylene insulation that the utility model proposes, it is low-smoke halogen-free polyolefin restrictive coating by arranging restrictive coating, polyolefin sheath layer can ensure that power cable has good chemical proofing and resistance to water, and it is nontoxic, cold-resistant, radiation hardness, humidity, ageing-resistant, higher temperature can be born, and harmful Substances Pollution environment will not be produced in hot environment, so that its environmental-protecting performance is more excellent；By arranging flame-retardant layer 5, improve the fire resistance of cable, further flame-retardant layer 5 uses glass fiber material braiding to form, and glass fiber material has the main performances such as high temperature resistant, corrosion-resistant, high intensity, improves the heat dispersion of cable, resistance to elevated temperatures and intensity.Two kinds of cable cores it are provided with inside this utility model cable, many second cable cores 2 are distributed on the circumference centered by the first cable core 1, the construction of cable is the compactest, make full use of cable inner space, during long-term work, maximum amount fixed temperature is up to 90 DEG C, environmental protection and improve security performance, has good chemical proofing and resistance to water, nontoxic, cold-resistant, radiation hardness, humidity, ageing-resistant.
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 (7)
1. a low smoke and zero halogen power cable with cross-linked polyethylene insulation, it is characterized in that, including the first core (1), many second cores (2), packed layer (3), flame-retardant layer (5), Halogen lapping layer (6), inner liner (7), low smoke halogen-free flame-retardant polyolefin external sheath layers (8), wherein:
First core (1) includes the first conductor (11), the first fire proofing packed layer (12), the first crosslinked polyetylene insulated layer (13), first fire proofing packed layer (12) is wrapped in the first conductor (11) outside, and the first crosslinked polyetylene insulated layer (13) is wrapped in the first fire proofing packed layer (12) outside；
Many second cores (2) are evenly distributed on the circumference centered by the first core (1), second core (2) all includes conductor group, the second fire proofing packed layer (22), the second crosslinked polyetylene insulated layer (23), second fire proofing packed layer (22) is wrapped in outside conductor group, and the second crosslinked polyetylene insulated layer (23) is wrapped in the second fire proofing packed layer (22) outside；
Flame-retardant layer (5) is wrapped in the first core (1), many second core (2) outsides, is filled with packed layer (3) between flame-retardant layer (5), the first core (1), many second cores (2)；Halogen lapping layer (6) is wrapped in flame-retardant layer (5) outside；Inner liner (7) is wrapped in Halogen lapping layer (6) outside；Low smoke halogen-free flame-retardant polyolefin external sheath layer (8) is wrapped in inner liner (7) outside.
Low smoke and zero halogen power cable with cross-linked polyethylene insulation the most according to claim 1, it is characterised in that every second core (2) all leans with the first core (1), flame-retardant layer (5).
Low smoke and zero halogen power cable with cross-linked polyethylene insulation the most according to claim 1, it is characterized in that, conductor group includes three mutual stranded the second conductors (211), and the second conductor (211) is the most all enclosed with sub-shield (212).
4. according to the low smoke and zero halogen power cable with cross-linked polyethylene insulation according to any one of claim 1-3, it is characterised in that the first conductor (11) uses tin-coated copper core.
Low smoke and zero halogen power cable with cross-linked polyethylene insulation the most according to claim 3, it is characterised in that the second conductor (211) uses tin-coated copper core.
6. according to the low smoke and zero halogen power cable with cross-linked polyethylene insulation according to any one of claim 1-3, it is characterised in that the cross-sectional area of the first core (1) is less than the cross-sectional area of the second core (2).
7. according to the low smoke and zero halogen power cable with cross-linked polyethylene insulation according to any one of claim 1-3, it is characterised in that flame-retardant layer (5) uses glass fiber material braiding to form, and count is 97.5%-98.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256527.5U CN205428583U (en) | 2016-03-30 | 2016-03-30 | Low smoke and zero halogen crosslinking polyethylene -insulated power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256527.5U CN205428583U (en) | 2016-03-30 | 2016-03-30 | Low smoke and zero halogen crosslinking polyethylene -insulated power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428583U true CN205428583U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256527.5U Expired - Fee Related CN205428583U (en) | 2016-03-30 | 2016-03-30 | Low smoke and zero halogen crosslinking polyethylene -insulated power cable |
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| Country | Link |
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| CN (1) | CN205428583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761825A (en) * | 2016-03-30 | 2016-07-13 | 安徽五洲特种电缆集团有限公司 | Low-smoke halogen-free crosslinked polyethylene insulated power cable |
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2016
- 2016-03-30 CN CN201620256527.5U patent/CN205428583U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761825A (en) * | 2016-03-30 | 2016-07-13 | 安徽五洲特种电缆集团有限公司 | Low-smoke halogen-free crosslinked polyethylene insulated 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20170330 |