CN204066859U - A kind of resistance to compression heat insulation type electric power cable - Google Patents
A kind of resistance to compression heat insulation type electric power cable Download PDFInfo
- Publication number
- CN204066859U CN204066859U CN201420496214.8U CN201420496214U CN204066859U CN 204066859 U CN204066859 U CN 204066859U CN 201420496214 U CN201420496214 U CN 201420496214U CN 204066859 U CN204066859 U CN 204066859U
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- conductor
- cable
- filler
- filler bar
- electric power
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Abstract
The utility model discloses a kind of resistance to compression heat insulation type electric power cable, elastic filler frame arranges at the axle center place of cable and is separated by each first conductor respectively, it is olivary filler bar that elastic filler frame comprises cross section, filler bar is along cable radial arrangement and one end is intersected in cable core center, and filler bar surface is provided with heat insulating coat and curtain coating successively; First conductor two ends offset with the filler bar of its both sides respectively, second conductor is symmetricly set on the first conductor both sides external, second conductor both sides offset with filler bar and the first conductor respectively, at cable core outer coated fire-retardant infantees lapping layer, tin-coated copper strip lapped shielding layer and polyvinyl chloride external sheath layer successively, the first conductor, the second conductor outer end all offset with fire-retardant infantees lapping layer.The utility model structure is simple, and cable anti-extrusion is functional, improves the lsafety level of electric wiring, extends the useful life of cable.
Description
Technical field
The utility model relates to technical field of electric wires and cables, particularly relates to a kind of resistance to compression heat insulation type electric power cable.
Background technology
Electric power cable be used in send out, join, defeated, become, forceful electric power delivery of electrical energy in supply line, the electric current passed through large (between tens peaces to a few kilo-ampere), voltage high (220V to 5000kV and more than).Electric power cable be divided into some kinds by principal characters such as its scope of application, design feature and performance requirements, electric power cable is one wherein, power cable, in the indoor that are mainly laid in, tunnel and in pipeline, also can buried-pipe laying.Existing electric power cable, have that structural stability difference, compressive property are poor, there is interference and incendive problem between conductor, this adds certain difficulty to the design of electric power cable, therefore the lsafety level of electric wiring, useful life, anti-interference and fire-retardant problem more and more cause the concern of people, have become a comprehensive developing direction of cable industry.
Utility model content
In order to solve the technical problem existed in background technology, the utility model proposes a kind of resistance to compression heat insulation type electric power cable, structure is simple, and cable anti-extrusion is functional, improves the lsafety level of electric wiring, extends the useful life of cable.
A kind of resistance to compression heat insulation type electric power cable that the utility model proposes, comprise the cable core be configured to by X root first conductor, Y root second conductor and an elastic filler, 3≤X≤6, Y=2X, elastic filler frame arranges at the axle center place of cable and is separated by each first conductor respectively, it is olivary filler bar that elastic filler frame comprises cross section, and filler bar is along cable radial arrangement and one end is intersected in cable core center, and filler bar surface is provided with heat insulating coat and curtain coating successively; The cross-sectional area of the first conductor is greater than the cross-sectional area of the second conductor, first conductor two ends offset with the filler bar of its both sides respectively, second conductor is symmetricly set on the first conductor both sides external, second conductor both sides offset with filler bar and the first conductor respectively, X root first conductor is distributed on the first circumference, Y root second conductor is distributed on the second circumference, and the second circumference is positioned at outside the first circumference; At cable core outer coated fire-retardant infantees lapping layer, tin-coated copper strip lapped shielding layer and polyvinyl chloride external sheath layer successively, the first conductor, the second conductor outer end all offset with fire-retardant infantees lapping layer.
Preferably, first conductor is made up of the first wire and the first fire-retardant infantees lapping layer, tin-coated copper net screen and the first polyvinyl chloride insulation layer be coated on successively outside the first wire, and the second conductor is made up of the second wire and the second fire-retardant infantees lapping layer be coated on successively outside the second wire and the second polyvinyl chloride insulation layer.
Preferably, in each filler bar, embed the elastic steel strip arranged along its long axis direction, the length of elastic steel strip is equal with the long axis length of filler bar.
Preferably, multiple specification is provided with in filler bar different and along cable axle to the through hole arranged.
Preferably, inside the first conductor, be provided with the 3rd conductor offseted with filler article, the first conductor respectively, the 3rd conductor is signal conductor, and the 3rd conductor is made up of signal conductor and the 3rd insulating barrier be coated on outside signal conductor.
A kind of resistance to compression heat insulation type electric power cable that the utility model proposes, adopt and elastic filler frame is set at cable shaft core position, elastic filler frame comprises the olive shape filler bar separated by adjacent two the first conductors, filler bar is along cable radial arrangement and one end is intersected in cable core center, cable is separated multiple shielding space by the tin-coated copper strip lapped shielding layer outside the curtain coating on filler bar surface and cable core, each shielding space heat dissipation capacity is separated by the heat insulating coat on filler bar surface simultaneously, first conductor two ends and filler bar offset, first conductor outer end and the outer fire-retardant infantees lapping layer of cable core offset, here can think that the first conductor and tin-coated copper strip lapped shielding layer offset, thus the second conductor not with screen and the 3rd conductor are separated shield, the elastic filler frame that the utility model adopts, improve the anti-extrusion performance of cable, multiple specification is provided with different and along cable axle to the through hole arranged in filler bar, improve the cushion space of cable extruding, in each filler bar, embed the elastic steel strip arranged along its long axis direction simultaneously, the length of elastic steel strip is equal with the long axis length of filler bar, and avoiding stuffing frame to extrude for a long time can not restore.The utility model structure is simple, and cable anti-extrusion is functional, improves the lsafety level of electric wiring, extends the useful life of cable.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of resistance to compression heat insulation type electric power cable that the utility model proposes.
Fig. 2 is the cross section structure schematic diagram of a kind of resistance to compression heat insulation type electric power cable Elastic stuffing frame that the utility model proposes.
Embodiment
As shown in Figure 1 and Figure 2, Fig. 1 is the cross section structure schematic diagram of a kind of resistance to compression heat insulation type electric power cable that the utility model proposes; Fig. 2 is the cross section structure schematic diagram of a kind of resistance to compression heat insulation type electric power cable Elastic stuffing frame that the utility model proposes.
With reference to Fig. 1, Fig. 2, a kind of resistance to compression heat insulation type electric power cable that the utility model proposes, comprise the cable core be made up of three first conductors 11, the six roots of sensation second conductor 12 and an elastic filler frame 2, elastic filler frame 2 is arranged on the axle center place of cable and is separated by each first conductor 11 respectively, it is olivary filler bar 21 that elastic filler frame 2 comprises cross section, filler bar 21 is along cable radial arrangement and one end is intersected in cable core center, and filler bar 21 surface is provided with heat insulating coat 211 and curtain coating 212 successively; Multiple specification is provided with different and along cable axle to the through hole 213 arranged in filler bar 21; In each filler bar 21, embed the elastic steel strip 214 arranged along its long axis direction, the length of elastic steel strip 214 is equal with the long axis length of filler bar 21.
In the utility model, the cross-sectional area of the first conductor 11 is greater than the cross-sectional area of the second conductor 12, first conductor 11 is made up of the first wire 111 and the first fire-retardant infantees lapping layer 112, tin-coated copper net screen 113 and the first polyvinyl chloride insulation layer 114 be coated on successively outside the first wire 111, and the second conductor 12 is made up of the second wire 121 and the second fire-retardant infantees lapping layer 122 be coated on successively outside the second wire 121 and the second polyvinyl chloride insulation layer 123; First conductor 11 two ends offset with the filler bar 21 of its both sides respectively, second conductor 12 is symmetricly set on the first conductor 11 both sides external, second conductor 12 both sides offset with filler bar 21 and the first conductor 11 respectively, three first conductors 11 are distributed on the first circumference, the six roots of sensation second conductor 12 is distributed on the second circumference, and the second circumference is positioned at outside the first circumference.
At cable core, coated fire-retardant infantees lapping layer 3, tin-coated copper strip lapped shielding layer 4 and polyvinyl chloride external sheath layer 5, first conductor 11, second conductor 12 outer end all offset with fire-retardant infantees lapping layer 3 successively outward; Inside the first conductor 11, be provided with the 3rd conductor the 13, three conductor 13 offseted with filler article the 21, first conductor 11 is respectively signal conductor, and the 3rd conductor 13 is made up of signal conductor 131 and the 3rd insulating barrier 132 be coated on outside signal conductor 131.
The utility model adopts and arranges elastic filler frame 2 at cable shaft core position, elastic filler frame 2 comprises the olive shape filler bar 21 separated by adjacent two the first conductors 11, filler bar 21 is along cable radial arrangement and one end is intersected in cable core center, cable is separated multiple shielding space by the tin-coated copper strip lapped shielding layer 4 outside the curtain coating 212 on filler bar 21 surface and cable core, and the conductor heat dissipation capacity in each shielding space is separated by the heat insulating coat 211 on filler bar 21 surface simultaneously.The elastic filler frame 2 that the utility model adopts, improve the anti-extrusion performance of cable, multiple specification is provided with different and along cable axle to the through hole 213 arranged in filler bar 21, improve the cushion space of cable extruding, in each filler bar 21, embed the elastic steel strip 214 arranged along its long axis direction simultaneously, the length of elastic steel strip 214 is equal with the long axis length of filler bar 21, avoids stuffing frame 2 extruding for a long time not restore.
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 resistance to compression heat insulation type electric power cable, it is characterized in that, comprise the cable core be made up of X root first conductor (11), Y root second conductor (12) and an elastic filler frame (2), 3≤X≤6, Y=2X, elastic filler frame (2) is arranged on the axle center place of cable and is separated by each first conductor (11) respectively, it is olivary filler bar (21) that elastic filler frame (2) comprises cross section, filler bar (21) is along cable radial arrangement and one end is intersected in cable core center, and filler bar surface is provided with heat insulating coat and curtain coating successively; The cross-sectional area of the first conductor (11) is greater than the cross-sectional area of the second conductor (12), first conductor (11) two ends offset with the filler bar (21) of its both sides respectively, second conductor (12) is symmetricly set on the first conductor (11) both sides external, second conductor (12) both sides offset with filler bar (21) and the first conductor (11) respectively, X root first conductor (11) is distributed on the first circumference, Y root second conductor (12) is distributed on the second circumference, and the second circumference is positioned at outside the first circumference; At cable core outer coated fire-retardant infantees lapping layer (3), tin-coated copper strip lapped shielding layer (4) and polyvinyl chloride external sheath layer (5) successively, the first conductor (11), the second conductor (12) outer end all offset with fire-retardant infantees lapping layer (3).
2. resistance to compression heat insulation type electric power cable according to claim 1, it is characterized in that, first conductor (11) is by the first wire (111) and be coated on the first wire (111) the first fire-retardant infantees lapping layer (112) outward, tin-coated copper net screen (113) and the first polyvinyl chloride insulation layer (114) successively and form, and the second conductor (12) is by the second wire (121) and be coated on outer the second fire-retardant infantees lapping layer (122) of the second wire (121) successively and the second polyvinyl chloride insulation layer (123) is formed.
3. resistance to compression heat insulation type electric power cable according to claim 1, it is characterized in that, in each filler bar (21), embed the elastic steel strip (22) arranged along its long axis direction, the length of elastic steel strip (22) is equal with the long axis length of filler bar (21).
4. resistance to compression heat insulation type electric power cable according to claim 1, is characterized in that, is provided with multiple specification different and along cable axle to the through hole (211) arranged in filler bar (21).
5. resistance to compression heat insulation type electric power cable according to claim 1, it is characterized in that, the 3rd conductor (13) offseted with filler article (21), the first conductor (11) is respectively provided with in the first conductor (11) inner side, 3rd conductor (13) is signal conductor, and the 3rd conductor (13) is by signal conductor (131) and be coated on signal conductor (131) the 3rd insulating barrier (132) outward and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496214.8U CN204066859U (en) | 2014-08-29 | 2014-08-29 | A kind of resistance to compression heat insulation type electric power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496214.8U CN204066859U (en) | 2014-08-29 | 2014-08-29 | A kind of resistance to compression heat insulation type electric power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204066859U true CN204066859U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496214.8U Expired - Fee Related CN204066859U (en) | 2014-08-29 | 2014-08-29 | A kind of resistance to compression heat insulation type electric power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204066859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200914A (en) * | 2014-08-29 | 2014-12-10 | 安徽弘毅电缆集团有限公司 | Extrusion-resistant and thermal-insulating type electrical power cable |
-
2014
- 2014-08-29 CN CN201420496214.8U patent/CN204066859U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104200914A (en) * | 2014-08-29 | 2014-12-10 | 安徽弘毅电缆集团有限公司 | Extrusion-resistant and thermal-insulating type electrical 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: 20141231 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |