CN212461209U - Water-blocking energy-saving direct-current flat cable - Google Patents
Water-blocking energy-saving direct-current flat cable Download PDFInfo
- Publication number
- CN212461209U CN212461209U CN202021197378.2U CN202021197378U CN212461209U CN 212461209 U CN212461209 U CN 212461209U CN 202021197378 U CN202021197378 U CN 202021197378U CN 212461209 U CN212461209 U CN 212461209U
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- China
- Prior art keywords
- water
- blocking
- cable
- conductor
- energy
- 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.)
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- 239000004020 conductor Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000011810 insulating material Substances 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 239000000806 elastomer Substances 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses an energy-conserving flat DC cable blocks water, including two conductors, crowded package one deck modification on the conductor blocks water the insulating layer that blocks water that butyronitrile elastomer insulating material or TPE insulating material made, blocks water and indulges the compound area of package one deck aluminium-plastic outside the insulating layer, and the sheath of crowded band splice bar structure is gone up to the aluminium-plastic complex, directly drags a wire rope of taking the crosslinked polyethylene insulation in the splice bar. The utility model provides an energy-conserving flat DC cable blocks water, two insulation core parallel arrangement, the conductor adopts 5 th copper, soft structure conductors such as aluminium or aluminum alloy conductor, preferred aluminium or aluminum alloy material, the cost can reduce about 20%, practice thrift the copper resource, adopt the splice bar of belted steel wire rope, save more than sheath material 10%, improve cable flexibility more than 5%, the cable tensile strength is high, make things convenient for cable construction, have low in production cost, transmission capacity is big, bending property is good, environmental suitability is strong, advantages such as water blocking performance is good.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to energy-conserving flat direct current cable blocks water.
Background
According to the renewable energy medium and long term development program, China strives to make the installed capacity of solar power generation reach 1.8GW (million kilowatts) in 2020, and 600GW (million kilowatts) in 2050. It is expected that the composite growth rate of the installed solar capacity in China will be as high as more than 25% by 2030 years ago. Because photovoltaic power plant subassembly layout area is big, and direct current side converges the progression and is many, and direct current cable number of converging is huge, therefore the cost is higher.
The direct current cable that uses generally adopts circular stranding structure at present, and the cable compliance is poor, and adopts the copper conductor mostly, and manufacturing cost is high, and the loss is big.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model aims to provide a flat cable of energy-conserving direct current blocks water.
In order to realize the above purpose, reach above-mentioned technological effect, the utility model discloses a technical scheme be:
the water-blocking energy-saving flat direct-current cable comprises two conductors, wherein a water-blocking insulating layer, an aluminum-plastic composite tape and a sheath are sequentially coated on the conductors, and a connecting rib is arranged between the two conductors and positioned in the middle of the sheath.
Further, the conductor adopts a 5 th soft conductor.
Further, the conductor adopts a 5 th copper, aluminum or aluminum alloy conductor.
Furthermore, the two conductors and the water-blocking insulating layer respectively form two insulating wire cores, and the two insulating wire cores are parallel and directly pulled to be not cabled.
Furthermore, the waterproof insulating layer is made of modified waterproof butyronitrile elastomer insulating material or TPE insulating material.
Further, the sheath is made of butyl rubber sheath material.
Furthermore, the water vapor transmission rate of the water-blocking insulating layer and the water vapor transmission rate of the sheath are both not more than 0.05g/m2·24h。
Furthermore, a steel wire rope coated with crosslinked polyethylene insulation is directly dragged in the connecting rib.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the conductor adopts the 5 th copper, aluminum or aluminum alloy conductor and other soft structure conductors, preferably aluminum or aluminum alloy materials, compared with the copper raw material in the prior art, the cost can be reduced by about 20 percent, and a large amount of copper resources can be saved;
(2) compared with a flat structure, the connecting rib structure can save more than 10% of sheath materials, has low production cost and can improve the flexibility of the cable by more than 5%;
(3) the two insulated wire cores adopt a parallel straight-dragging non-cabling structure and are arranged in parallel, the length of a cable conductor is shortened, and the resistance is 1% lower than that of cabling; the cable is free of filling, small in thermal resistance, capable of improving the current carrying capacity of the cable by more than 1%, large in transmission capacity, high in electrical stability and free of breakdown through a load cycle test and an impulse voltage test at 90 ℃ of a conductor and a subsequent 1.85kV/2h direct current withstand voltage test, wherein the bending treatment is carried out on the short side of the flat cable with the diameter being 20 times;
(4) compared with the existing two-core stranded cable structure, the cable has good bending performance, the minimum bending radius of the cable is 15 times of the size of the short side of the cable, and the bending radius can be reduced to about 60 percent;
(5) the conductor is extruded with a water-blocking insulating layer to form an insulating wire core, and the insulating wire core is longitudinally wrapped with a layer of aluminum-plastic composite tape, so that the water-blocking insulating wire not only can block water, but also can be used as a metal shielding layer, and is multipurpose;
(6) the water-blocking insulating layer and the sheath have good water-blocking performance, and the water vapor transmission rate is not more than 0.05g/m224h, the environmental adaptability is strong, and the cable can safely run in an environment with large water vapor on the water surface;
(7) a steel wire rope with crosslinked polyethylene insulation is directly dragged in the connecting rib, so that the tensile resistance of the cable is improved, and the cable construction is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making the scope of the invention more clearly defined.
Example 1
As shown in fig. 1, a water-blocking energy-saving dc flat cable is a dumbbell structure, and includes two parallel conductors 1, a water-blocking insulating layer 2 made of a modified water-blocking butyronitrile elastomer insulating material or a TPE insulating material is extruded on the conductor 1, the two cable cores 1 respectively form two insulating cable cores with the water-blocking insulating layer 2, the insulating cable cores are longitudinally wrapped with a layer of aluminum-plastic composite tape 3 to form water-blocking insulating cable cores, the aluminum-plastic composite tape 3 can block water and can also serve as a metal shielding layer, one material and two functions are provided, the two water-blocking insulating cable cores are arranged in parallel to form a cable core, the cable core is further extruded with a layer of sheath 4 with connecting ribs, the sheath 4 is made of a butyl rubber sheath material, connecting ribs are arranged between the two insulating cable cores and located in the middle of the sheath 4, a steel wire rope 5 is directly dragged inside the connecting ribs, and a crosslinked polyethylene insulation 6 is wrapped.
The conductor 1 adopts a 5 th soft conductor, preferably adopts a 5 th copper, aluminum or aluminum alloy conductor, more preferably adopts an aluminum or aluminum alloy conductor, and compared with copper, the cost of the cable can be reduced by more than 20 percent.
The two insulated wire cores adopt a parallel straight-dragging non-cabling structure.
The water-blocking insulating layer 2 and the sheath 4 both have good water-blocking performance, and the water vapor transmission rate of the water-blocking insulating layer and the sheath is not more than 0.05g/m2·24h。
The utility model discloses the part of not specifically describing adopts prior art, and the part of not describing in detail adopts current product can, does not do here and describe repeatedly.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a flat DC cable of energy-conserving that blocks water, its characterized in that includes two conductors (1), cladding insulating layer (2), plastic-aluminum composite belt (3) and sheath (4) that block water on conductor (1) in proper order, set up the splice bar between two conductors (1) and be located sheath (4) middle part.
2. A water-blocking energy-saving flat dc cable according to claim 1, wherein the conductor (1) is a flexible conductor of type 5.
3. A water-blocking energy-saving flat dc cable according to claim 2, wherein the conductor (1) is a 5 th copper, aluminum or aluminum alloy conductor.
4. A water-blocking energy-saving DC flat cable according to claim 1, characterized in that the two conductors (1) and the water-blocking insulating layer (2) form two insulated wire cores respectively, and the two insulated wire cores are parallel and directly not cabled.
5. A water-blocking energy-saving flat direct current cable according to claim 1, wherein the water-blocking insulating layer (2) is made of modified water-blocking butyronitrile elastomer insulating material or TPE insulating material.
6. A water-blocking energy-saving dc flat cable according to claim 1, wherein the sheath (4) is made of butyl rubber sheath material.
7. A water-blocking energy-saving flat direct current cable according to claim 1, characterized in that the water vapor transmission rate of the water-blocking insulating layer (2) and the water vapor transmission rate of the sheath (4) are both not more than 0.05g/m2·24h。
8. A water-blocking energy-saving flat dc cable according to claim 1, wherein a steel wire rope (5) coated with cross-linked polyethylene insulation (6) is pulled directly into the connecting rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197378.2U CN212461209U (en) | 2020-06-24 | 2020-06-24 | Water-blocking energy-saving direct-current flat cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197378.2U CN212461209U (en) | 2020-06-24 | 2020-06-24 | Water-blocking energy-saving direct-current flat cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212461209U true CN212461209U (en) | 2021-02-02 |
Family
ID=74462420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021197378.2U Expired - Fee Related CN212461209U (en) | 2020-06-24 | 2020-06-24 | Water-blocking energy-saving direct-current flat cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212461209U (en) |
-
2020
- 2020-06-24 CN CN202021197378.2U patent/CN212461209U/en not_active Expired - Fee Related
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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: 20210202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |