CN204614478U - With shielding high-voltage power cable in electric automobile - Google Patents
With shielding high-voltage power cable in electric automobile Download PDFInfo
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- CN204614478U CN204614478U CN201520152399.5U CN201520152399U CN204614478U CN 204614478 U CN204614478 U CN 204614478U CN 201520152399 U CN201520152399 U CN 201520152399U CN 204614478 U CN204614478 U CN 204614478U
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Abstract
With shielding high-voltage power cable in a kind of electric automobile, include conductor, insulating barrier, electromagnetic composite shielding layer and sheath, described electromagnetic composite shielding layer is moulded thin layer by aluminium plastic membrane layer, braid and steel and is formed, and described conductor, insulating barrier, aluminium plastic membrane layer, braid, thin layer moulded by steel and sheath is radially arranged successively from inside to outside.The electromagnetic composite shielding layer of the utility model between insulating barrier and sheath is moulded thin layer formed by aluminium plastic membrane layer, braid, steel, aluminium plastic membrane layer and braid serve good electric screening action, and steel is moulded thin layer and then had good magnetic screen rejection ability.Meanwhile, electromagnetic composite shielding Rotating fields designs, the impact of the surrounding environment passed through vehicle when effectively eliminating and inhibit power cable to run and the electric/electronic device of vehicle itself.
Description
(1) technical field
The utility model relates to automobile cable technology, specifically uses electromagnetic composite shielding high-voltage power cable in a kind of electric automobile.
(2) background technology
Electric automobile is broadly divided into pure electric automobile, mixed power electric car, fuel cell electric vehicle three kinds according to the diversity of power resources.The common feature of the electric automobile of this three types is: being all integrated with power electronic technology is the electrical drive system of core.Show according to each side's research, in the electric automobile under such electrical drive system, electromagnetic environment is comparatively complicated, and electric automobile inner high voltage cable used not only will have anti-electric screen interference performance, also will meet magnetic screen interference performance simultaneously.
Disclosed in the existing patents such as high-flexibility anti-interference battery cable for new energy vehicle (patent No.: ZL200920256779.8), new-energy automobile motor cable (patent No.: ZL201220345244.X), new-energy automobile car inner high voltage power cable mostly adopts copper wire or tinned copper wire individual layer braid shielded structure, only possessed certain anti-electrical interference ability, and antimagnetic shield interference performance is more weak.
(3) summary of the invention
The technical problems to be solved in the utility model is to provide in a kind of electric automobile with shielding high-voltage power cable, substantially increase interference free performance and the safety in operation of cable, eliminate product electrical quality risk, ensure that the flexible nature of cable simultaneously, meet the bending techniques requirement of products application.
For this reason, the utility model takes following technical scheme:
With shielding high-voltage power cable in a kind of electric automobile, include conductor, insulating barrier, electromagnetic composite shielding layer and sheath, described electromagnetic composite shielding layer is moulded thin layer by aluminium plastic membrane layer, braid and steel and is formed, and described conductor, insulating barrier, aluminium plastic membrane layer, braid, thin layer moulded by steel and sheath is radially arranged successively from inside to outside.
Described conductor is annealing bare copper conductor or zinc-plated annealed copper conductor.
Described insulating barrier adopts thermoplasticity or thermo-setting elastomer, and insulation is closely extruded on conductor.
Described aluminium plastic membrane layer is close to the vertical bag of insulation by single or double aluminum-plastic composite membrane or is wrappedly formed.
Described braid adopts tin-plating round copper wire or naked circular copper wire braiding composition, and braid closely covers the outer surface of aluminium plastic membrane layer.
Described steel is moulded thin layer and is close to the vertical bag of braid by single or double steel plastic compount film or wrappedly forms.
Described sheath adopts thermoplasticity or thermo-setting elastomer, and sheath should closely be extruded in steel and mould on thin layer.
The utility model has the advantages that:
1, the electromagnetic composite shielding layer between insulating barrier and sheath is moulded thin layer formed by aluminium plastic membrane layer, braid, steel, and aluminium plastic membrane layer and braid serve good electric screening action, and steel is moulded thin layer and then had good magnetic screen rejection ability.Meanwhile, electromagnetic composite shielding Rotating fields designs, the impact of the surrounding environment passed through vehicle when effectively eliminating and inhibit power cable to run and the electric/electronic device of vehicle itself; 2, adopt and mould by aluminium plastic membrane layer, braid, steel the electromagnetic composite shielding Rotating fields that thin layer forms and design, do not affect the flexible nature of cable product, bending techniques requirement when meeting product practical application.
(4) accompanying drawing explanation
Fig. 1 is the utility model structure cross-sectional schematic;
Wherein, 1-conductor, 2-insulating barrier, 3-aluminium plastic membrane layer, 4-braid, thin layer moulded by 5-steel, 6-sheath.
(5) specific embodiment
With reference to accompanying drawing 1, with shielding high-voltage power cable in a kind of electric automobile, include conductor 1, insulating barrier 2, electromagnetic composite shielding layer and sheath 6, described electromagnetic composite shielding layer is moulded thin layer 5 by aluminium plastic membrane layer, 3 braids 4 and steel and is formed, and described conductor, insulating barrier, aluminium plastic membrane layer, braid, thin layer moulded by steel and sheath is radially arranged successively from inside to outside.The 6th class annealing bare copper conductor that described conductor 1 requires for meeting GB/T3956.Described insulating barrier 2 adopts TPE-S type thermoplastic elastomer (TPE), and insulating barrier 2 is closely extruded on conductor 1.Described aluminium plastic membrane layer 3 is close to insulating barrier 2 by one side aluminum-plastic composite membrane and is indulged bag and form, and the vertical bag rate of putting up is not less than 15%.Described braid 4 adopts the naked circular copper wire braiding composition meeting GB/T 3953 and specify, woven shield 4 closely covers the outer surface of aluminium plastic membrane layer 3.Count is not less than 80%.Described steel is moulded thin layer 5 and is close to braid 4 by one side steel plastic compount film and indulges bag and form, and the vertical bag rate of putting up is not less than 15%.Described sheath 6 adopts TPE-S type thermoplastic elastomer (TPE), and sheath 6 is closely extruded in steel and moulds on thin layer 5.
Have excellent electromagnetism interference performance with electromagnetic composite shielding high-voltage power cable in the electric automobile made in case study on implementation, shielding rejection coefficient is less than transfger impedance in 0.01,1-30MHz frequency range and is not more than 50m Ω/m.Product has good flexibility, and bending radius can reach the outside diameter of cable of 6 times.
Claims (7)
1. use shielding high-voltage power cable in an electric automobile, it is characterized in that: include conductor, insulating barrier, electromagnetic composite shielding layer and sheath, described electromagnetic composite shielding layer is moulded thin layer by aluminium plastic membrane layer, braid and steel and is formed, and described conductor, insulating barrier, aluminium plastic membrane layer, braid, thin layer moulded by steel and sheath is radially arranged successively from inside to outside.
2. use shielding high-voltage power cable in electric automobile as claimed in claim 1, it is characterized in that: described conductor is annealing bare copper conductor or zinc-plated annealed copper conductor.
3. use shielding high-voltage power cable in electric automobile as claimed in claim 1, it is characterized in that: described insulating barrier adopts thermoplasticity or thermo-setting elastomer, insulation is closely extruded on conductor.
4. in electric automobile as claimed in claim 1 with shielding high-voltage power cable, it is characterized in that: described aluminium plastic membrane layer is close to the vertical bag of insulation by single or double aluminum-plastic composite membrane or is wrappedly formed.
5. use shielding high-voltage power cable in electric automobile as claimed in claim 1, it is characterized in that: described braid adopts tin-plating round copper wire or naked circular copper wire braiding composition, and braid closely covers the outer surface of aluminium plastic membrane layer.
6. in electric automobile as claimed in claim 1 with shielding high-voltage power cable, it is characterized in that: described steel is moulded thin layer and is close to the vertical bag of braid by single or double steel plastic compount film or wrappedly forms.
7. use shielding high-voltage power cable in electric automobile as claimed in claim 1, it is characterized in that: described sheath adopts thermoplasticity or thermo-setting elastomer, and sheath should closely be extruded in steel and mould on thin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152399.5U CN204614478U (en) | 2015-03-17 | 2015-03-17 | With shielding high-voltage power cable in electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520152399.5U CN204614478U (en) | 2015-03-17 | 2015-03-17 | With shielding high-voltage power cable in electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN204614478U true CN204614478U (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520152399.5U Active CN204614478U (en) | 2015-03-17 | 2015-03-17 | With shielding high-voltage power cable in electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036699A (en) * | 2018-08-30 | 2018-12-18 | 安徽特种电缆集团有限公司 | High voltage cable in a kind of anti-interference type new-energy automobile |
-
2015
- 2015-03-17 CN CN201520152399.5U patent/CN204614478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036699A (en) * | 2018-08-30 | 2018-12-18 | 安徽特种电缆集团有限公司 | High voltage cable in a kind of anti-interference type new-energy automobile |
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