CN207883356U - A kind of long-life, resistance to high radiation special type controlled cable - Google Patents
A kind of long-life, resistance to high radiation special type controlled cable Download PDFInfo
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- CN207883356U CN207883356U CN201820316026.0U CN201820316026U CN207883356U CN 207883356 U CN207883356 U CN 207883356U CN 201820316026 U CN201820316026 U CN 201820316026U CN 207883356 U CN207883356 U CN 207883356U
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Abstract
A kind of long-life, resistance to high radiation special type controlled cable, it is characterized in that including the cable core that three parallel grouping cable cores are constituted, cable core outer wrapping oversheath；There are gaps between adjacent packets cable core；The axis of each grouping cable core is in the same plane；The structure of the grouping cable core is to be constituted by more cores are twisted, then from-inner-to-outer wraps up the second wrapping layer and electro-magnetic screen layer successively outside grouping cable core；The structure of every core is that from-inner-to-outer wraps up the first wrapping layer and insulating layer successively outside conductor.The advantageous effect of this control cable：Cable Construction Design advantages of simple：Stranded tinned copper conductor improves the electric conductivity of conductor, makes conductor more resistant to corrosion, the selected material and specific structure of insulating layer and oversheath keep the construction of cable more soft, minimum bending radius can reach 6 times of outside diameters of cable, more flexible, be more convenient and suitable for bending laying environment.
Description
Technical field
The utility model is related to a kind of flat type to control cable, more particularly to resistance to high radiation special type control electricity of a kind of long-life
Cable is suitable for the control cable of rated voltage 0.6/1kV, belongs to field of cable technology.
Background technology
The cable of control class more can be used for controlling electric cabinet, the occasions such as control system connection.In the prior art, nuclear power station,
The environment such as special occasions elevator, crane or harsh medical treatment need moving control cable to be used, are faced with the wind frequently replaced
Danger.Main reason is that round cable bending when be easy it is cracking in crooked outer surface, cannot so as to cause cable bad
It uses.
Utility model content
In view of the above-mentioned problems, the utility model control cable is same on the basis of improving Traditional control cable shape structure
When, specific material and structural parameters have been used to achieve the purpose that the service life for extending control cable, and can be useful in
It selects to use under civilian, military, core environment.
Mainly have for mobile environment condition, the utility model cable problem to be solved is needed：Meeting control electricity
Under the premise of the electrical property of cable, reduce bending radius when cable uses；Increase the service life of insulating materials；Increase the resistance to spoke of cable
Penetrate performance；Reinforce the softness of cable.
The technical solution used to solve above-mentioned technical problem：
A kind of long-life, resistance to high radiation special type controlled cable comprising the cable core that three parallel grouping cable cores are constituted, cable
Core outer wrapping oversheath；There are identical gaps between adjacent packets cable core；
The appearance and size range for controlling cable is 6.0mm × (10.0mm~25mm) × 50mm；
The axis of each grouping cable core is in the same plane；What it is positioned at the left and right sides is the first and third grouping cable core, in being located at
Between be second packet cable core；
The structure of the grouping cable core is constituted by more cores are twisted, is twisted lay ratio and is not more than 20；Again in grouping cable
The outer from-inner-to-outer of core wraps up the second wrapping layer and electro-magnetic screen layer successively；It is filled in gap between core and the second wrapping layer
Filling；
The structure of every core is that from-inner-to-outer wraps up the first wrapping layer and insulating layer successively outside conductor；
Core quantity in first and third grouping cable core is identical；
The conductor is constituted by tin-coated copper monofilament is twisted；The tin-coated copper monofilament of conductor be twisted lay ratio range be 12~
16, diameter range is 0.32mm~1.04mm；The diameter range of conductor is 1.0mm~3.12mm；The twisted side of tin-coated copper monofilament
To for left-hand；
First wrapping layer is constituted by white thin non-woven fabric dextrad is wrapped, and the width of white thin non-woven fabric is 8
~10mm, wrapped cap rate are not less than 15%；
The insulating layer is to extrude resistance to high the third Insulation Material of halogen-free flameproof second radiated by continuous vulcanization to constitute；
Second wrapping layer be by low-smoke non-halogen flame-retardant around band be overlapped it is wrapped constitute, width of the low-smoke non-halogen flame-retardant around band
For 15~20mm, wrapped cap rate is not less than 20%；
The electro-magnetic screen layer is made of the interlacing of copper monofilament；
The oversheath is that thermoplastics type's EVA class elastomer sheathing materials composition, the minimum thickness of oversheath are extruded outside cable core
For 1.8-2.5mm.
Further, the sectional area of conductor is 2.5mm2~6mm2；Conductor is divided into multilayer by tin-coated copper monofilament from-inner-to-outer and is twisted
It constitutes；It is 12~18 that the tin-coated copper monofilament of conductor innermost layer, which is twisted lay ratio range, and the outermost tin-coated copper monofilament of conductor is twisted
Lay ratio range is 10~14；The direction of lay of outermost tin-coated copper monofilament is left-hand, the strand of the tin-coated copper monofilament of adjacent layer
It is opposite to close direction；
The number of core in every grouping cable core is 2~37；
The nominal thickness of white thin non-woven fabric is 0.1mm；
The nominal thickness of insulating layer is 1.0mm, and thinnest point thickness is not less than the 90%-0.1mm of nominal value；
The filling is flexible filling rubber item；
The nominal thickness of low-smoke non-halogen flame-retardant band is 0.2mm.
Further, electro-magnetic screen layer is made of the tinned copper wire braiding that nominal diameter is 0.20~0.25mm, count
Not less than 80%.
The cable insulating material of the optional model XJ-32HB of Insulation Material, to the service life for promoting cable and resistance to gamma ray
Radiation.
A diameter of 1.8~2.5mm of flexibility filling rubber item, the direction of lay phase of rubber direction of lay and grouping cable core
Together, using the twisted softness that can promote cable in the same direction.
Oversheath similar rectangular flat is covered on cable core arranged in parallel with final.
This structure control cable is filled out under the premise of meeting the basic demands such as cable electrical property using during core is twisted and gap
After filling rubber item, in cable integrally bending, rubber item can compress and stretch retardation when reducing bending.
Between core and oversheath be equipped with the second wrapping layer, insulated jacket material and core, make therebetween do not have it is viscous, here,
When oversheath extrudes, protective cover material be embedded into shielded layer proof copper-wire braided it is intrapore.And the first wrapping layer insulate in addition to protection
Except friction of the layer from conductor copper wire, it is thus also avoided that the monofilament gap of conductor is embedded in Insulation Material and generates viscous possibility
(since outermost layer monofilament quantity is more, the area that outer wall can be contacted with Insulation Material is big, viscous area bigger is generated, to single
The influence bigger of core bending property).
Advantageous effect
After adopting the above technical scheme, the utility model has the advantages that：
(1) Cable Construction Design advantages of simple：More cables are arranged in parallel, reduce the bending radius of bending direction, make
Multicore cable is easier to be bent.And the process for reducing the multilayer stranding of cable, makes the process of processing simply change, improves
Production efficiency.
(2) stranded tinned copper conductor improves the electric conductivity of conductor, makes conductor more resistant to corrosion, it is possible to reduce copper oxygen
Change (copper and the oxygen reflection generation CuO and Cu in air2O generation).
(3) shadow that external signal and electric field transmit control signal can effectively be avoided using braiding electro-magnetic screen layer
It rings, and the shielding form woven is more favorable to cable bend and reply.
(4) low-smoke non-halogen flame-retardant ethylene-propylene rubber insulated layer, low-smoke non-halogen flame-retardant EVA thermoplastic sheaths make the construction of cable more
Softness, minimum bending radius can reach 6 times of outside diameters of cable, more flexible, be more convenient and suitable for bending laying environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, conductor, the 2.1, first wrapping layer, the 2.2, second wrapping layer, 3, insulating layer, 4, electro-magnetic screen layer, 5, fill out
It fills, 6, oversheath.
Specific implementation mode
As shown in Figure 1, a kind of resistance to high radiation special type of long-life of this example controls cable, including three parallel grouping cable cores
The cable core of composition, cable core outer wrapping oversheath；There are identical gaps between adjacent packets cable core；
The appearance and size range for controlling cable is 6.0mm × (10.0mm~25mm) × 50mm；
The axis of each grouping cable core is in the same plane；What it is positioned at the left and right sides is the first and third grouping cable core, in being located at
Between be second packet cable core；
The structure of the grouping cable core is constituted by more cores are twisted, is twisted lay ratio and is not more than 20；Again in grouping cable
The outer from-inner-to-outer of core wraps up the second wrapping layer and electro-magnetic screen layer successively；It is filled in gap between core and the second wrapping layer
Filling；
The structure of every core is that from-inner-to-outer wraps up the first wrapping layer and insulating layer successively outside conductor；
Core quantity in first and third grouping cable core is identical；
The conductor is constituted by tin-coated copper monofilament is twisted；The tin-coated copper monofilament of conductor be twisted lay ratio range be 12~
16, diameter range is 0.32mm~1.04mm；The diameter range of conductor is 1.0mm~3.12mm；The twisted side of tin-coated copper monofilament
To for left-hand；
First wrapping layer is constituted by white thin non-woven fabric dextrad is wrapped, and the width of white thin non-woven fabric is 8
~10mm, wrapped cap rate are not less than 15%；
The insulating layer is to extrude resistance to high the third Insulation Material of halogen-free flameproof second radiated by continuous vulcanization to constitute；
Second wrapping layer be by low-smoke non-halogen flame-retardant around band be overlapped it is wrapped constitute, width of the low-smoke non-halogen flame-retardant around band
For 15~20mm, wrapped cap rate is not less than 20%；
The electro-magnetic screen layer is made of the interlacing of copper monofilament；
The oversheath is that thermoplastics type's EVA class elastomer sheathing materials composition, the minimum thickness of oversheath are extruded outside cable core
For 1.8-2.5mm.
The sectional area of conductor is 2.5mm2~6mm2；Conductor is divided into that multilayer is twisted to be constituted by tin-coated copper monofilament from-inner-to-outer；It leads
It is 12~18 that the tin-coated copper monofilament of body innermost layer, which is twisted lay ratio range, and the outermost tin-coated copper monofilament of conductor is twisted lay ratio model
Enclose is 10~14；The direction of lay of outermost tin-coated copper monofilament is left-hand, the direction of lay phase of the tin-coated copper monofilament of adjacent layer
Instead；
The number of core in every grouping cable core is 2~37；
The nominal thickness of white thin non-woven fabric is 0.1mm；
The nominal thickness of insulating layer is 1.0mm, and thinnest point thickness is not less than the 90%-0.1mm of nominal value；
The filling is flexible filling rubber item, a diameter of 1.8~2.5mm of rubber item；
The nominal thickness of low-smoke non-halogen flame-retardant band is 0.2mm.
Electro-magnetic screen layer is made of the tinned copper wire braiding that nominal diameter is 0.20~0.25mm, and count is not less than
80%.
In this example, there are 2 cores in the 2nd grouping cable core, there are 3 cores in the 1st, 3 grouping cable cores.
After adopting the above scheme, the service life of this control cable reaches 60 years or more, good bending property, Flouride-resistani acid phesphatase
Well, processing performance is good, can effectively improve production efficiency.And meet the basic demand of electrical property and mechanical performance simultaneously.
The control cable of this example has been subjected to testing as follows, and test result is to pass through.
Claims (3)
1. a kind of long-life, resistance to high radiation special type controlled cable, it is characterized in that the cable constituted including three parallel grouping cable cores
Core, cable core outer wrapping oversheath；There are identical gaps between adjacent packets cable core；
The appearance and size range for controlling cable is 6.0mm × (10.0mm~25mm) × 50mm；
The axis of each grouping cable core is in the same plane；What it is positioned at the left and right sides is the first and third grouping cable core, is located at centre
It is second packet cable core；
The structure of the grouping cable core is constituted by more cores are twisted, is twisted lay ratio and is not more than 20；Again outside grouping cable core
From-inner-to-outer wraps up the second wrapping layer and electro-magnetic screen layer successively；It is filled in gap between core and the second wrapping layer
It fills；
The structure of every core is that from-inner-to-outer wraps up the first wrapping layer and insulating layer successively outside conductor；
Core quantity in first and third grouping cable core is identical；
The conductor is constituted by tin-coated copper monofilament is twisted；It is 12~16 that the tin-coated copper monofilament of conductor, which is twisted lay ratio range, directly
Diameter range is 0.32mm~1.04mm；The diameter range of conductor is 1.0mm~3.12mm；The direction of lay of tin-coated copper monofilament is a left side
To；
First wrapping layer is constituted by white thin non-woven fabric dextrad is wrapped, the width of white thin non-woven fabric is 8~
10mm, wrapped cap rate are not less than 15%；
The insulating layer is to extrude resistance to high the third Insulation Material of halogen-free flameproof second radiated by continuous vulcanization to constitute；
Second wrapping layer be by low-smoke non-halogen flame-retardant around band be overlapped it is wrapped constitute, low-smoke non-halogen flame-retardant around band width be 15
~20mm, wrapped cap rate are not less than 20%；
The electro-magnetic screen layer is made of the interlacing of copper monofilament；
The oversheath is that thermoplastics type's EVA class elastomer sheathing materials composition is extruded outside cable core, and the minimum thickness of oversheath is
1.8—2.5mm。
2. the long-life according to claim 1, resistance to high radiation special type controlled cable, it is characterized in that
The sectional area of conductor is 2.5mm2~6mm2；Conductor is divided into that multilayer is twisted to be constituted by tin-coated copper monofilament from-inner-to-outer；Conductor is most
It is 12~18 that the tin-coated copper monofilament of internal layer, which is twisted lay ratio range, and the outermost tin-coated copper monofilament of conductor, which is twisted lay ratio range, is
10~14；The direction of lay of outermost tin-coated copper monofilament is left-hand, and the direction of lay of the tin-coated copper monofilament of adjacent layer is opposite；
The number of core in every grouping cable core is 2~37；
The nominal thickness of white thin non-woven fabric is 0.1mm；
The nominal thickness of insulating layer is 1.0mm, and thinnest point thickness is not less than the 90%-0.1mm of nominal value；
The filling is flexible filling rubber item, a diameter of 1.8~2.5mm of rubber item；
The nominal thickness of low-smoke non-halogen flame-retardant band is 0.2mm.
3. the long-life according to claim 1, resistance to high radiation special type controlled cable, it is characterized in that electro-magnetic screen layer is by nominal
The tinned copper wire braiding of a diameter of 0.20~0.25mm is constituted, and count is not less than 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316026.0U CN207883356U (en) | 2018-03-08 | 2018-03-08 | A kind of long-life, resistance to high radiation special type controlled cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316026.0U CN207883356U (en) | 2018-03-08 | 2018-03-08 | A kind of long-life, resistance to high radiation special type controlled cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207883356U true CN207883356U (en) | 2018-09-18 |
Family
ID=63496144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820316026.0U Active CN207883356U (en) | 2018-03-08 | 2018-03-08 | A kind of long-life, resistance to high radiation special type controlled cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207883356U (en) |
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2018
- 2018-03-08 CN CN201820316026.0U patent/CN207883356U/en active Active
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