CN204516387U - A kind of pressure resistant type Low emissivity cable - Google Patents
A kind of pressure resistant type Low emissivity cable Download PDFInfo
- Publication number
- CN204516387U CN204516387U CN201520191215.6U CN201520191215U CN204516387U CN 204516387 U CN204516387 U CN 204516387U CN 201520191215 U CN201520191215 U CN 201520191215U CN 204516387 U CN204516387 U CN 204516387U
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- Prior art keywords
- cable
- conductors
- conductor
- section
- elastic buffering
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- 239000004020 conductor Substances 0.000 claims abstract description 80
- 230000003139 buffering effect Effects 0.000 claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 21
- 239000005030 aluminium foil Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 238000005253 cladding Methods 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of pressure resistant type Low emissivity cable, comprise five first conductors, four second conductors and two elastic buffering strips, at five first conductors, it is the cable core of rhombus that four second conductor outer cladding aluminium foil lapping layers form cross section, at the fire-retardant band lapping layer of cable core outer cladding, elastic buffer filler is filled at aluminium foil lapping layer and fire-retardant band lapping layer, two elastic buffering strips to be arranged and two elastic buffering strip medial surfaces are coated on fire-retardant band lapping layer along the short-axis direction of cable core, at the outer coated tincopper fuse wire braided armor successively of two elastic buffering strips, steel wire armor layer and external sheath layer, from the cross section of cable, tincopper fuse wire braided armor cross section is circular, and offsets with elastic buffering strip lateral surface.The utility model improves the shielding properties of cable when improving the withstand voltage properties of cable, radiation is low, ensure that electric power transfer.
Description
Technical field
The utility model relates to technical field of electric wires and cables, particularly relates to a kind of pressure resistant type Low emissivity cable.
Background technology
Cable has power cable, control cables, compensating cable, shielded type cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resisting cable, shipboard cable, mining cable, aluminium alloy cable etc.They are all made up of sub-thread or stranded conductor and insulating barrier, are used for connecting circuit, electrical equipment etc.
Cable due to its environment for use more special, therefore for cable conductor shielding properties require higher.Owing to being all conductor group in cable, the extruding between conductor group easily causes the shielding properties of cable poor, affects the transmission performance of cable.
Utility model content
In order to solve the technical problem existed in background technology, the utility model proposes a kind of pressure resistant type Low emissivity cable, improve the shielding properties of cable when improving the withstand voltage properties of cable, radiation is low, ensure that electric power transfer.
A kind of pressure resistant type Low emissivity cable that the utility model proposes, comprises five first conductors, four second conductors and two elastic buffering strips, the diameter of the first conductor and the equal diameters of the second conductor, the insulating barrier that first conductor comprises the first core and is coated on outside the first core, second conductor comprises the second core and the fire-retardant band lapping layer that is coated on outside the second core and inner restrictive coating, between fire-retardant band lapping layer, inner restrictive coating, be provided with elastic buffer packing material, three second conductors are located along the same line, and arbitrary neighborhood two second conductors offset, remaining two second conductors are symmetricly set on three second conductor both sides, any two first conductors offset and be arranged on wherein between second conductor and three second conductors and the second conductor of the first conductor and its both sides offset, remaining two first conductors offset and to be arranged between other second conductor and three second conductors and the second conductor of the first conductor and its both sides offsets, at five first conductors, it is the cable core of rhombus that four second conductor outer cladding aluminium foil lapping layers form cross section, at the fire-retardant band lapping layer of cable core outer cladding, elastic buffer filler is filled at aluminium foil lapping layer and fire-retardant band lapping layer, two elastic buffering strips to be arranged and two elastic buffering strip medial surfaces are coated on fire-retardant band lapping layer along the short-axis direction of cable core, at the outer coated tincopper fuse wire braided armor successively of two elastic buffering strips, steel wire armor layer and external sheath layer, from the cross section of cable, tincopper fuse wire braided armor cross section is circular, and offsets with elastic buffering strip lateral surface.
Preferably, from the cross section of cable, in the insulating barrier of the first conductor, be provided with the first through hole along its circumferential array.
Preferably, from the cross section of cable, in elastic buffering strip, be provided with the second through hole along its medial surface or the arrangement of lateral surface direction.
Preferably, from the cross section of cable, reduce gradually to the diameter of its both sides second through hole in the middle part of elastic buffering strip.
Preferably, from the cross section of cable, be provided with the third through-hole arranged along cable core long axis direction in external sheath layer, the cross section of third through-hole is circular or oval.
A kind of pressure resistant type Low emissivity cable that the utility model provides, adopting in five first conductors, four second conductor outer cladding aluminium foil lapping layers formation cross sections is the cable core of rhombus, aluminium foil lapping layer improves the shielding properties of cable core, at the outer wrapped fire-retardant band lapping layer of aluminium foil lapping layer, elastic buffer filler is filled at aluminium foil lapping layer and fire-retardant band lapping layer, at raising flame-retarding characteristic simultaneously, improve the withstand voltage properties of cable core.Two elastic buffering strips are symmetricly set on fire-retardant band lapping layer along cable core short-axis direction, from the cross section of cable, the second through hole along its intrados or the arrangement of extrados direction is provided with in elastic buffering strip, reduce gradually to the diameter of its both sides second through hole in the middle part of elastic buffering strip, improve the deformation space that cable produces when pressurized, at two elastic buffering strips, the outer coated tincopper fuse wire braided armor successively of cable core, steel wire armor layer and external sheath layer, steel wire armor layer improves the withstand voltage properties of cable, tincopper fuse wire braided armor, the while that steel wire armor layer being close to the shielding properties at raising cable arranging and improve screen, avoid any one deck to lose efficacy and bring the inefficacy of function of shielding, in external sheath layer, third through-hole improves it produces deformation ability when pressurized, extends the useful life of cable.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of pressure resistant type Low emissivity cable that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the cross section structure schematic diagram of a kind of pressure resistant type Low emissivity cable that the utility model proposes.
With reference to Fig. 1, a kind of pressure resistant type Low emissivity cable that the utility model proposes, comprises five first conductors, 1, four second conductors 2 and the diameter of two elastic buffering strip 6, first conductors 1 and the equal diameters of the second conductor 2, the insulating barrier 12 that first conductor 1 comprises the first core 11 and is coated on outside the first core 11, second conductor 2 comprises the second core 21 and the fire-retardant band lapping layer 22 that is coated on outside the second core 21 and inner restrictive coating 24, between fire-retardant band lapping layer 22, inner restrictive coating 24, be provided with elastic buffer packing material 23, three second conductors 2 are located along the same line, and arbitrary neighborhood two second conductors 2 offset, remaining two second conductors 2 are symmetricly set on three second conductor 2 both sides, any two first conductors 1 offset and be arranged on wherein between second conductor 2 and three second conductors 2 and the first conductor 1 offset with the second conductor 2 of its both sides, remaining two first conductors 1 offset and to be arranged between other second conductor 2 and three second conductors 2 and the first conductor 1 offsets with the second conductor 2 of its both sides, at five first conductors 1, four second conductor 2 outer cladding aluminium foil lapping layers 3 form the cable core that cross section is rhombus.
At the fire-retardant band lapping layer 5 of cable core outer cladding, elastic buffer filler 4 is filled at aluminium foil lapping layer 3 and fire-retardant band lapping layer 5, two elastic buffering strips 6 to be arranged and two elastic buffering strip 6 medial surfaces are coated on fire-retardant band lapping layer 5, at two elastic buffering strips 6 outer coated tincopper fuse wire braided armor 7, steel wire armor layer 8 and external sheath layer 9 successively along the short-axis direction of cable core; From the cross section of cable, tincopper fuse wire braided armor 7 cross section is circular, and offsets with elastic buffering strip 6 lateral surface.From the cross section of cable, be provided with the second through hole 61 along its medial surface or the arrangement of lateral surface direction in elastic buffering strip 6, reduce gradually to the diameter of its both sides second through hole 61 in the middle part of elastic buffering strip 6, improve the deformation space that cable produces when pressurized.
In the present embodiment, aluminium foil lapping layer 3 improves the shielding properties of cable core, and two elastic buffering strips 6 are symmetrical arranged its both sides along cable core major axis, at two elastic buffering strips 6 outer coated tincopper fuse wire braided armor 7, steel wire armor layer 8 and external sheath layer 9 successively; Elastic buffering strip 6 is arranged on cable core minor axis both sides and improves its withstand voltage properties, steel wire armor layer 5 improves the withstand voltage properties of cable, the while that tincopper fuse wire braided armor, steel wire armor layer being close to the shielding properties being arranged on and improving cable, any one deck is avoided to lose efficacy and affected function of shielding; Also improve the shielding properties of cable simultaneously further, reduce the radiance of cable.
In a particular embodiment, from the cross section of cable, be provided with the first through hole 13 along its circumferential array in the insulating barrier 12 of the first conductor 1, provide deformation space when the first conductor pressurized; Be provided with the third through-hole 71 arranged along cable core long axis direction in external sheath layer 7, improve external sheath layer 7 produces deformation ability when pressurized, extend the useful life of cable.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (5)
1. a pressure resistant type Low emissivity cable, it is characterized in that, comprise five first conductors (1), four second conductors (2) and two elastic buffering strips (6), the diameter of the first conductor (1) and the equal diameters of the second conductor (2); First conductor (1) comprises the first core (11) and is coated on the first core (11) insulating barrier outward (12), second conductor (2) comprises the second core (21) and is coated on the outer fire-retardant band lapping layer (22) of the second core (21) and inner restrictive coating (24), between fire-retardant band lapping layer (22), inner restrictive coating (24), be provided with elastic buffer packing material (23); three second conductors (2) are located along the same line, and arbitrary neighborhood two second conductors (2) offset, remaining two second conductors (2) are symmetricly set on three second conductor (2) both sides, any two first conductors (1) offset and the second conductor (2) being arranged on wherein between second conductor (2) and three second conductors (2) and the first conductor (1) and its both sides offsets, remaining two first conductors (1) offset and to be arranged between other second conductor (2) and three second conductors (2) and second conductor (2) of the first conductor (1) and its both sides offsets, five first conductors (1), it is the cable core of rhombus that four second conductors (2) outer cladding aluminium foil lapping layer (3) form cross section, the fire-retardant band lapping layer (5) of cable core outer cladding, elastic buffer filler (4) is filled at aluminium foil lapping layer (3) and fire-retardant band lapping layer (5), two elastic buffering strips (6) to be arranged and two elastic buffering strip (6) medial surfaces are coated on fire-retardant band lapping layer (5) along the short-axis direction of cable core, at two elastic buffering strips (6) coated tincopper fuse wire braided armor (7) successively outward, steel wire armor layer (8) and external sheath layer (9), from the cross section of cable, tincopper fuse wire braided armor (7) cross section is circular, and offsets with elastic buffering strip (6) lateral surface.
2. pressure resistant type Low emissivity cable according to claim 1, is characterized in that, from the cross section of cable, is provided with the first through hole (13) along its circumferential array in the insulating barrier (12) of the first conductor (1).
3. pressure resistant type Low emissivity cable according to claim 1, is characterized in that, from the cross section of cable, is provided with the second through hole (61) along its medial surface or the arrangement of lateral surface direction in elastic buffering strip (6).
4. pressure resistant type Low emissivity cable according to claim 3, is characterized in that, from the cross section of cable, reduces gradually from elastic buffering strip (6) middle part to the diameter of its both sides second through hole (61).
5. pressure resistant type Low emissivity cable according to claim 1, is characterized in that, from the cross section of cable, is provided with the third through-hole arranged along its circumference in external sheath layer (9), and the cross section of third through-hole is circular or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191215.6U CN204516387U (en) | 2015-03-31 | 2015-03-31 | A kind of pressure resistant type Low emissivity cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520191215.6U CN204516387U (en) | 2015-03-31 | 2015-03-31 | A kind of pressure resistant type Low emissivity cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516387U true CN204516387U (en) | 2015-07-29 |
Family
ID=53714335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520191215.6U Expired - Fee Related CN204516387U (en) | 2015-03-31 | 2015-03-31 | A kind of pressure resistant type Low emissivity cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243704A (en) * | 2018-09-28 | 2019-01-18 | 新宇电缆集团股份有限公司 | A kind of hyperconductive cable |
-
2015
- 2015-03-31 CN CN201520191215.6U patent/CN204516387U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243704A (en) * | 2018-09-28 | 2019-01-18 | 新宇电缆集团股份有限公司 | A kind of hyperconductive 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: 20150729 Termination date: 20160331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |