CN206210438U - Double shield converter cable - Google Patents
Double shield converter cable Download PDFInfo
- Publication number
- CN206210438U CN206210438U CN201621238356.XU CN201621238356U CN206210438U CN 206210438 U CN206210438 U CN 206210438U CN 201621238356 U CN201621238356 U CN 201621238356U CN 206210438 U CN206210438 U CN 206210438U
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- CN
- China
- Prior art keywords
- band
- shield
- cable
- main
- outside
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of double shield converter cable, it includes cable core and the cable set being set in outside cable core, and the cable core includes some main lines and some ground wires；Every main line includes main conductor, main conductor band, main line insulating barrier, type insulating wrapping strip, drainage thread and metallic tape shield from inside to outside；Every ground wire includes gnd conductor, gnd conductor band and ground line insulating layer from inside to outside；Ground wire and main line are spaced and stranded；The cable set includes stranding band, woven shield, outer band and outer jacket from inside to outside.In this programme, main conductor and gnd conductor use copper wire or tinned copper wire.Main conductor band, main line type insulating wrapping strip and gnd conductor band cooperation multilayer dielectric layer can improve the insulating properties of cable.Metallic tape shield and woven shield constitute double shield structure, effectively increase the shielding properties of cable.This programme is suitable for the environment higher of the requirement to shielding properties.
Description
Technical field
The utility model is related to field of electrical equipment, more particularly, to a kind of double shield frequency conversion with shielding properties higher
Device cable.
Background technology
Develop in recent years very because having the characteristic of energy-conservation with scientific and technological progress, frequency converter with the development of society
Rapidly, and it is widely used.But the harmonic wave letter that frequency converter is inconsistent with normal frequency of supply when working and produces
Number can feed back to supply network and influence the quality of power supply, or even electrical equipment can be caused damage.To avoid problems, can typically want
The feed cable of frequency converter is asked to use shielding type cable.
Existing Special cable for frequency converter structure is：Conductor uses two class compact conductors；Insulating materials be polyvinyl chloride or
Polyethylene；Screen layer is for the outer copper strips of cable core is wrapped or proof copper-wire braided structure；Sheath is polyvinyl chloride.It is soft for installation requirement,
And shielding requirements occasion higher, existing frequency-changing cable product cannot meet.
The content of the invention
The utility model is mainly the technical problem that cannot meet shielding properties requirement etc. solved existing for prior art,
A kind of double shield converter cable with good shielding properties is provided.
The utility model is mainly what is be addressed by following technical proposals for above-mentioned technical problem：A kind of double shield
Converter cable, including cable core and the cable set being set in outside cable core, the cable core include some main lines and some ground wires；
Every main line includes main conductor, main conductor band, main line insulating barrier, type insulating wrapping strip, drainage thread and metal tape
Screen layer, main conductor band is wrapped outside main conductor, and main line insulating barrier is set in outside main conductor band, type insulating wrapping strip around
Bag is outside main line insulating barrier, and metallic tape shield is wrapped outside type insulating wrapping strip, and drainage thread is placed on metallic tape shield inner side simultaneously
With metallic tape shield directly contact；
Every ground wire includes gnd conductor, gnd conductor band and ground line insulating layer, ground wire is surrounded with outside gnd conductor and is led
Body band, is arranged with ground wire insulating barrier outside gnd conductor band；
Ground wire and main line are spaced and stranded；
The cable set includes stranding band, woven shield, outer band and outer jacket, and stranding band is wrapped outside cable core,
Woven shield is set in outside stranding band, and outer band is wrapped outside woven shield, and outer jacket is set in outside outer band, described
Outer jacket is flame retardant rubber material.
In this programme, main conductor and gnd conductor use copper wire or tinned copper wire.Main conductor band, main line insulating bag
Band and gnd conductor band cooperation multilayer dielectric layer can improve the insulating properties of cable.Metallic tape shield and woven shield
Double shield structure is constituted, the shielding properties of cable is effectively increased.
Preferably, the outer jacket is chlorinated polyethylene rubber.
Chlorinated polyethylene rubber has splendid fire resistance, and has the anti-characteristic of dripping of burning, even if burning occurs also may be used
To be prevented effectively from fire spreading.
Preferably, the main line insulating barrier and ground line insulating layer are all EP rubbers material.
EP rubbers has good insulating properties.
Preferably, the main conductor band is polyester band or polypropylene ribbon, the gnd conductor band is poly-
Ester band or polypropylene ribbon.
Preferably, the stranding band is polyester band or polypropylene ribbon, the outer band is polyester band or poly-
Polypropylene tape.
Preferably, the woven shield is copper wire or tinned copper wire braiding net sleeve of the count not less than 80%.
Braiding structure can to greatest extent keep the bending softness of cable
Preferably, the metallic tape shield is aluminium/plastic composite strip or copper/plastic composite strip overlaps wrapped forming.
Drainage thread is tinned copper wire, is longitudinally placed under metallic tape shield, it is ensured that cable shield has excellent screen
Cover performance and electrically conducting performance.
Preferably, the cable core center is provided with packing, the packing surface is with projection.
Packing can be using materials such as nylon ropes, it is ensured that the rounding and stabilization of cable core.The projection on packing surface can be with
Increase the frictional force between packing and ground line insulating layer, main line insulating barrier, make cable inside uniform force, further improve electricity
Cable stability.The front and back of gasket for packing is provided with oblique fine hair convexity layer, is filled out in the gap of the fine hair convexity layer
Filled with powdery or fluid leakage indicator.
The beneficial effect that the utility model brings is, with excellent electrical insulation properties and mechanical performance, double shield knot
Structure improves the shielding properties of cable, it is to avoid influence of the harmonic wave to supply network in circuit, maintains good bending
Flexibility.
Brief description of the drawings
Fig. 1 is a kind of cross-sectional structure schematic diagram of the present utility model；
In figure：1st, main conductor；2nd, main conductor band；3rd, main line insulating barrier；4th, type insulating wrapping strip；5th, drainage thread；6th, gold
Category band screen layer；7th, gnd conductor；8th, gnd conductor band；9th, line insulating layer；10th, stranding band；11st, woven shield；
12nd, outer band；13rd, outer jacket.
Specific embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment：A kind of double shield converter cable of the present embodiment, as shown in figure 1, including cable core and being set in cable core
Outer cable set, the cable core includes 3 main lines and 3 ground wires；
Every main line includes main conductor 1, main conductor band 2, main line insulating barrier 3, type insulating wrapping strip 4, drainage thread 5 and gold
Category band screen layer 6, main conductor band is wrapped outside main conductor, and main line insulating barrier is set in outside main conductor band, insulation
Band is wrapped outside main line insulating barrier, and metallic tape shield is wrapped outside type insulating wrapping strip, and drainage thread is placed on metallic tape shield
Inner side and with metallic tape shield directly contact；
Every ground wire includes gnd conductor 7, gnd conductor band 8 and ground line insulating layer 9, and ground wire is surrounded with outside gnd conductor
Conductor band, is arranged with ground wire insulating barrier outside gnd conductor band；
Ground wire and main line are spaced and stranded；
Cable set includes stranding band 10, woven shield 11, outer band 12 and outer jacket 13, stranding band it is wrapped
Outside cable core, woven shield is set in outside stranding band, and outer band is wrapped outside woven shield, and outer jacket is set in outer band
Outward, the outer jacket is flame retardant rubber material.
In this programme, main conductor and gnd conductor use copper wire or tinned copper wire.Main conductor band, main line insulating bag
Band and gnd conductor band cooperation multilayer dielectric layer can improve the insulating properties of cable.Metallic tape shield and woven shield
Double shield structure is constituted, the shielding properties of cable is effectively increased.
Outer jacket is chlorinated polyethylene rubber.Chlorinated polyethylene rubber has splendid fire resistance, and has burning antidrip
Lower characteristic, even if burning occurs can also be prevented effectively from fire spreading.
Main line insulating barrier and ground line insulating layer are all EP rubbers material.EP rubbers has good insulating properties.
Main conductor band is polyester band or polypropylene ribbon, and the gnd conductor band is polyester band or polypropylene
Band.Stranding band is polyester band or polypropylene ribbon, and the outer band is polyester band or polypropylene ribbon.
Woven shield is copper wire or tinned copper wire braiding net sleeve of the count not less than 80%.Braiding structure can be maximum
The bending softness of the holding cable of limit
Metallic tape shield is that aluminium/plastic composite strip or copper/plastic composite strip overlap wrapped forming.Drainage thread is tinned copper wire,
It is longitudinally placed under metallic tape shield, it is ensured that cable shield has excellent shielding properties and electrically conducting performance.
Cable core center is provided with packing, and the packing surface is with projection.
Packing can be using materials such as nylon ropes, it is ensured that the rounding and stabilization of cable core.The projection on packing surface can be with
Increase the frictional force between packing and ground line insulating layer, main line insulating barrier, make cable inside uniform force, further improve electricity
Cable stability.
The advantage of we is as follows：
1st, using copper or plating copper wire, filament diameter meets the regulation of the 5th class conductor to meet the bending property of cable to conductor,
Its minimum bending radius can be as small as 6 times of finished cable external diameter, it is ensured that cable can normally run in bending.
2nd, the insulating barrier of cable is high using the EP rubbers material of electrical insulation properties high, high mechanical properties, it is ensured that cable
With excellent electrical insulation properties and good mechanical performance.
3rd, master core metallic shield overlaps wrapped shielding using aluminium/plastic composite strip or copper/plastic composite strip, and shielding band lower section permits
Perhaps the drainage thread of one or more strands of thin copper wires or tinned copper wire as main line screen layer is added, it is ensured that the shielding of screen layer and lead
The general character.
4th, ground wire and the main line after shielding be spaced and together with it is stranded be cable core, be the rounding and stabilization for ensureing cable core,
Center should add the packing of appropriate size.Cable core should overlap the polyester belt or polypropylene ribbon of wrapped high insulating property, it is ensured that
Electrical insulation properties between shielding outside the screen layer and cable core of major insulation core are improving the shield effectiveness of screen layer.
5th, there should be the screen layer of braiding outside cable core, screen layer uses copper wire or tinned copper wire, count to be not less than 80%.
6th, sheath uses high intensity chlorinated polyethylene rubber material, it is ensured that cable has excellent mechanical performance and good
Bending property.
This programme disclosure satisfy that rated voltage 0.6/1kV, the use environment that 90 DEG C of conductor Long-term service temperature.
Specific embodiment described herein is only to the invention spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from principle of the present utility model or surmount scope defined in appended claims.
Although more having used the terms such as cable core, screen layer, band herein, be not precluded from use other terms can
Can property.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as appointing
A kind of what additional limitation is all disagreed with the invention spirit.
Claims (8)
1. a kind of double shield converter cable, it is characterised in that including cable core and the cable set being set in outside cable core, the cable core bag
Include some main lines and some ground wires；
Every main line includes main conductor, main conductor band, main line insulating barrier, type insulating wrapping strip, drainage thread and metallic tape shield
Layer, main conductor band is wrapped outside main conductor, and main line insulating barrier is set in outside main conductor band, type insulating wrapping strip it is wrapped
Outside main line insulating barrier, metallic tape shield is wrapped outside type insulating wrapping strip, drainage thread be placed on metallic tape shield inner side and with gold
Category band screen layer directly contact；
Every ground wire includes gnd conductor, gnd conductor band and ground line insulating layer, and gnd conductor bag is surrounded with outside gnd conductor
Band, is arranged with ground wire insulating barrier outside gnd conductor band；
Ground wire and main line are spaced and stranded；
The cable set includes stranding band, woven shield, outer band and outer jacket, and stranding band is wrapped outside cable core, braiding
Screen layer is set in outside stranding band, and outer band is wrapped outside woven shield, and outer jacket is set in outside outer band, the outer shield
Layer is flame retardant rubber material.
2. double shield converter cable according to claim 1, it is characterised in that the outer jacket is haloflex rubber
Glue.
3. double shield converter cable according to claim 1, it is characterised in that the main line insulating barrier and ground wire insulate
Layer is all EP rubbers material.
4. double shield converter cable according to claim 1, it is characterised in that the main conductor band is polyester belt
Material or polypropylene ribbon, the gnd conductor band are polyester band or polypropylene ribbon.
5. the double shield converter cable according to claim 2 or 4, it is characterised in that the stranding band is polyester belt
Material or polypropylene ribbon, the outer band are polyester band or polypropylene ribbon.
6. double shield converter cable according to claim 1, it is characterised in that the woven shield is count
Copper wire or tinned copper wire braiding net sleeve not less than 80%.
7. the double shield converter cable according to claim 1 or 6, it is characterised in that the metallic tape shield be aluminium/
Plastic composite strip or copper/plastic composite strip overlap wrapped forming.
8. double shield converter cable according to claim 7, it is characterised in that the cable core center is provided with packing,
The packing surface is with projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238356.XU CN206210438U (en) | 2016-11-18 | 2016-11-18 | Double shield converter cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238356.XU CN206210438U (en) | 2016-11-18 | 2016-11-18 | Double shield converter cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206210438U true CN206210438U (en) | 2017-05-31 |
Family
ID=58750415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621238356.XU Expired - Fee Related CN206210438U (en) | 2016-11-18 | 2016-11-18 | Double shield converter cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206210438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680720A (en) * | 2017-10-10 | 2018-02-09 | 常熟市景弘盛通信科技股份有限公司 | Lightweight high flexibility removal cable |
| CN109742501A (en) * | 2019-01-21 | 2019-05-10 | 乐庭电线工业（惠州）有限公司 | High frequency data transfer line |
-
2016
- 2016-11-18 CN CN201621238356.XU patent/CN206210438U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107680720A (en) * | 2017-10-10 | 2018-02-09 | 常熟市景弘盛通信科技股份有限公司 | Lightweight high flexibility removal cable |
| CN109742501A (en) * | 2019-01-21 | 2019-05-10 | 乐庭电线工业（惠州）有限公司 | High frequency data transfer line |
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Legal Events
| 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: 20170531 Termination date: 20201118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |