CN209029158U - A kind of electric vehicles shielding power cable - Google Patents
A kind of electric vehicles shielding power cable Download PDFInfo
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- CN209029158U CN209029158U CN201822179492.1U CN201822179492U CN209029158U CN 209029158 U CN209029158 U CN 209029158U CN 201822179492 U CN201822179492 U CN 201822179492U CN 209029158 U CN209029158 U CN 209029158U
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Abstract
The utility model discloses a kind of electric vehicles to shield power cable; including cable body; cable body includes copper core conductor, insulating layer, semiconductive shielding layer, obturator, liner layer, copper wire winding layer, ribbon spiral winding layer, foil shielding layer and protective layer; protective layer is coated on the outer surface of foil shielding layer, and foil shielding layer is coated on the outer surface of ribbon spiral winding layer.The utility model electric vehicles shield power cable, insulating layer and protective layer are all made of polyethylene material and are made, electrical insulating property is excellent, the outer surface even application of protective layer has nanoscale carbon dust fine to the shield effectiveness of electromagnetic interference, foil shielding layer keeps cable body good to the shield effectiveness of electromagnetic interference, semiconductive shielding layer is made of crosslinked polyethylene semi-conductive shielding material, semiconductive shielding layer with a thickness of 0.7mm, it is contacted with shielded copper core conductor equipotential and well with insulating layer, to avoid that shelf depreciation occurs between copper core conductor and insulating layer, keep its shield effectiveness good.
Description
Technical field
The utility model relates to electric vehicle technical field, specially a kind of electric vehicles shield power cable.
Background technique
Shielded cable is the transmission line that signal wire is wrapped up using metal net shaped braiding layer, and braiding layer is usually red metal
Or tin-coated copper, wires and cables industry are the second largest industry that China is only second to automobile industry, product variety satisfaction rate and the country
Occupation rate of market is more than 90%, and worldwide, Chinese gross output value of wire and cable has been more than the U.S., becomes in the world first
Big countries producing electric wires and cables.
Power cable is shielded used in existing electric vehicle, it is poor to the shield effectiveness of electromagnetic interference, therefore, it is badly in need of
A kind of electric vehicles shielding power cables solves the above problems.
Utility model content
The purpose of this utility model is to provide a kind of electric vehicles to shield power cable, imitates to the shielding of electromagnetic interference
Fruit is good, can solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of electric vehicles shielding power cable,
Including cable body, the cable body includes copper core conductor, insulating layer, semiconductive shielding layer, obturator, liner layer, copper wire winding
Layer, ribbon spiral winding layer, foil shielding layer and protective layer, the protective layer is coated on the outer surface of foil shielding layer, described
Foil shielding layer is coated on the outer surface of ribbon spiral winding layer, and the inner surface of the ribbon spiral winding layer, which is provided with, to be uniformly distributed
Copper wire winding layer, the copper wire winding layer is also evenly distributed on the outer surface of liner layer, and the inner surface of the liner layer is filled out
Filled with obturator, the inner surface of the liner layer is additionally provided with equally distributed semiconductive shielding layer, the semiconductive shielding layer
In obturator, the semiconductive shielding layer is covered on the outer surface of insulating layer, and the insulating layer is covered on copper core conductor
Outer surface on.
Preferably, the insulating layer is component made of a kind of polyethylene material.
Preferably, the semiconductive shielding layer is made of crosslinked polyethylene semi-conductive shielding material, semiconductive shielding layer
With a thickness of 0.7mm.
Preferably, the liner layer is component made of a kind of polyvinyl chloride calendered film.
Preferably, the protective layer is component made of a kind of polyethylene material.
Preferably, the outer surface even application of the protective layer has nanoscale carbon dust.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model electric vehicles shield power cable, and insulating layer and protective layer are all made of polyethylene material system
At, polyethylene is a kind of aggregated thermoplastic resin obtained of ethylene, has excellent resistance to low temperature, and chemical stability is good,
Electrical insulating property is excellent.
2, the utility model electric vehicles shield power cable, and the outer surface even application of protective layer has nano-scale carbon
Powder, nanoscale carbon dust are a kind of good shielding materials, and fine to the shield effectiveness of electromagnetic interference, foil shielding layer makes cable body
With good shielding properties, keep the shielding of cable body higher, solve existing cable body due to shielding difference and
The problem for leading to the shield effectiveness difference of electromagnetic interference keeps cable body good to the shield effectiveness of electromagnetic interference, and semiconductive shielding layer is adopted
It is made of crosslinked polyethylene semi-conductive shielding material, the semiconductive screen of semiconductive shielding layer being arranged with a thickness of 0.7mm, the thickness
Cover layer can efficient balance cable body surface face electric field, copper core conductor is twisted by multiple conducting wires, its easy shape between insulating layer
At air gap, copper core conductive surface is rough, will cause electric field concentration, adds made of one layer of semiconductive material in copper core conductive surface
Semiconductive shielding layer, it is contacted with shielded copper core conductor equipotential and well with insulating layer, to avoid in copper core conductor
Shelf depreciation occurs between insulating layer, keeps its shield effectiveness good.
Detailed description of the invention
Fig. 1 is that the electric vehicles of the utility model shield the schematic diagram of power cable；
Fig. 2 is that the electric vehicles of the utility model shield the diagrammatic cross-section of power cable.
In figure: 1, cable body；11, copper core conductor；12, insulating layer；13, semiconductive shielding layer；14, obturator；15, liner
Layer；16, copper wire winding layer；17, ribbon spiral winding layer；18, foil shielding layer；19, protective layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of electric vehicles shield power cable referring to FIG. 1-2, including cable body 1, cable body 1 are led including copper core
Body 11, insulating layer 12, semiconductive shielding layer 13, obturator 14, liner layer 15, copper wire winding layer 16, ribbon spiral winding layer 17, aluminium
Foil shielded layer 18 and protective layer 19, protective layer 19 are coated on the outer surface of foil shielding layer 18, and protective layer 19 is a kind of poly- second
Component made of alkene material, polyethylene are a kind of aggregated thermoplastic resins obtained of ethylene, and polyethylene is odorless, nontoxic, feel
Ceraceous has excellent resistance to low temperature, and chemical stability is good, is resistant to the erosion of most of soda acids, and water imbibition is small, electrical insulating property
Excellent, the outer surface even application of protective layer 19 has nanoscale carbon dust, and nanoscale carbon dust is a kind of good shielding material, to electricity
The shield effectiveness of magnetic disturbance is fine, and foil shielding layer 18 is coated on the outer surface of ribbon spiral winding layer 17, foil shielding layer 18
Make cable body 1 have good shielding properties, keep the shielding of cable body 1 higher, solve existing cable body 1 due to
Shielding is poor and leads to the problem of the shield effectiveness difference of electromagnetic interference, keeps cable body 1 good to the shield effectiveness of electromagnetic interference, steel band
The inner surface of spiral winding layer 17 is provided with equally distributed copper wire winding layer 16, and copper wire winding layer 16 is also evenly distributed on liner layer
On 15 outer surface, liner layer 15 is component made of a kind of polyvinyl chloride calendered film, and polyvinyl chloride film is polyvinyl chloride
Resin is made with other modifying agent by calendering technology or blow molding process, and general thickness is 0.08~0.2mm, greater than 0.25mm's
Claim PVC sheet, the functional processing aid such as plasticizer, stabilizer, lubricant is added in polyvinyl chloride resin, forms a film through calendering, has and protect
Warm nature, translucency are good, and soft easy moulding, and the inner surface of liner layer 15 is filled with obturator 14, and the inner surface of liner layer 15 is also
It is provided with equally distributed semiconductive shielding layer 13, semiconductive shielding layer 13 uses crosslinked polyethylene semi-conductive shielding material system
At, semiconductive shielding layer 13 with a thickness of 0.7mm, the semiconductive shielding layer 13 of thickness setting can 1 table of efficient balance cable body
The electric field in face, copper core conductor 11 are twisted by multiple conducting wires, it easily forms air gap, 11 table of copper core conductor between insulating layer 12
Face is rough, will cause electric field concentration, adds semiconductive shielding layer 13 made of one layer of semiconductive material on 11 surface of copper core conductor,
It is contacted with shielded 11 equipotential of copper core conductor and well with insulating layer 12, to avoid in copper core conductor 11 and insulating layer
Shelf depreciation occurs between 12, keeps its shield effectiveness good, semiconductive shielding layer 13 is located in obturator 14, semiconductive shielding layer 13
It is covered on the outer surface of insulating layer 12, insulating layer 12 is covered on the outer surface of copper core conductor 11, and insulating layer 12 is a kind of poly-
Component made of ethylene material, polyethylene are a kind of aggregated thermoplastic resins obtained of ethylene, and polyethylene is odorless, nontoxic, hand
Feel ceraceous, there is excellent resistance to low temperature, chemical stability is good, is resistant to the erosion of most of soda acids, and water imbibition is small, electrical isolation
Property is excellent.
Working principle: insulating layer 12 and protective layer 19 are all made of polyethylene material and are made, and polyethylene is the aggregated system of ethylene
A kind of thermoplastic resin obtained has excellent resistance to low temperature, and chemical stability is good, and electrical insulating property is excellent, while protective layer
19 outer surface even application has nanoscale carbon dust, and nanoscale carbon dust is a kind of good shielding material, to the screen of electromagnetic interference
It is fine to cover effect, foil shielding layer 18 makes cable body 1 have good shielding properties, and keep the shielding of cable body 1 higher,
It solves the problems, such as that existing cable body 1 causes the shield effectiveness of electromagnetic interference poor due to shielding difference, makes 1 pair of electricity of cable body
The shield effectiveness of magnetic disturbance is good, and semiconductive shielding layer 13 is made of crosslinked polyethylene semi-conductive shielding material, semi-conductive screen
Layer 13 with a thickness of 0.7mm, the semiconductive shielding layer 13 of thickness setting can 1 surface of efficient balance cable body electric field, copper core
Conductor 11 is twisted by multiple conducting wires, it easily forms air gap between insulating layer 12, and copper core conductor 11 is rough, can be made
Concentrated at electric field, add semiconductive shielding layer 13 made of one layer of semiconductive material on 11 surface of copper core conductor, it with it is shielded
11 equipotential of copper core conductor is simultaneously well contacted with insulating layer 12, to avoid the generation office between copper core conductor 11 and insulating layer 12
Portion's electric discharge, keeps its shield effectiveness good.
In summary: the utility model electric vehicles shield power cable, and insulating layer 12 and protective layer 19 are all made of poly-
Ethylene material is made, and polyethylene is a kind of aggregated thermoplastic resin obtained of ethylene, has excellent resistance to low temperature, chemistry
Stability is good, and electrical insulating property is excellent, while the outer surface even application of protective layer 19 has nanoscale carbon dust, and nanoscale carbon dust is one
The good shielding material of kind, fine to the shield effectiveness of electromagnetic interference, foil shielding layer 18 makes cable body 1 have good shielding
Performance keeps the shielding of cable body 1 higher, and solving existing cable body 1 due to shielding difference leads to electromagnetic interference
Shield effectiveness difference problem, keep cable body 1 good to the shield effectiveness of electromagnetic interference, semiconductive shielding layer 13 is using being crosslinked poly- second
Alkene semi-conductive shielding material is made, semiconductive shielding layer 13 with a thickness of 0.7mm, the semiconductive shielding layer 13 of thickness setting can
The electric field on 1 surface of efficient balance cable body, copper core conductor 11 are twisted by multiple conducting wires, it is easily formed between insulating layer 12
Air gap, copper core conductor 11 is rough, will cause electric field concentration, adds one layer of semiconductive material to be made on 11 surface of copper core conductor
Semiconductive shielding layer 13, it is contacted with shielded 11 equipotential of copper core conductor and well with insulating layer 12, to avoid
Shelf depreciation occurs between copper core conductor 11 and insulating layer 12, keeps its shield effectiveness good.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of electric vehicles shield power cable, including cable body (1), it is characterised in that: the cable body (1) includes copper
Core conductor (11), insulating layer (12), semiconductive shielding layer (13), obturator (14), liner layer (15), copper wire winding layer (16),
Ribbon spiral winding layer (17), foil shielding layer (18) and protective layer (19), the protective layer (19) are coated on foil shielding layer
(18) on outer surface, the foil shielding layer (18) is coated on the outer surface of ribbon spiral winding layer (17), the steel band spiral shell
The inner surface for curling up layer (17) is provided with equally distributed copper wire winding layer (16), and the copper wire winding layer (16) is also uniformly distributed
On the outer surface of liner layer (15), the inner surface of the liner layer (15) is filled with obturator (14), the liner layer (15)
Inner surface be additionally provided with equally distributed semiconductive shielding layer (13), the semiconductive shielding layer (13) is located at obturator (14)
Interior, the semiconductive shielding layer (13) is covered on the outer surface of insulating layer (12), and the insulating layer (12) is covered on copper core and leads
On the outer surface of body (11).
2. a kind of electric vehicles according to claim 1 shield power cable, it is characterised in that: the insulating layer (12)
For component made of a kind of polyethylene material.
3. a kind of electric vehicles according to claim 1 shield power cable, it is characterised in that: the semi-conductive screen
Layer (13) is made of crosslinked polyethylene semi-conductive shielding material, semiconductive shielding layer (13) with a thickness of 0.7mm.
4. a kind of electric vehicles according to claim 1 shield power cable, it is characterised in that: the liner layer (15)
For component made of a kind of polyvinyl chloride calendered film.
5. a kind of electric vehicles according to claim 1 shield power cable, it is characterised in that: the protective layer (19)
For component made of a kind of polyethylene material.
6. a kind of electric vehicles according to claim 1 shield power cable, it is characterised in that: the protective layer (19)
Outer surface even application have nanoscale carbon dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179492.1U CN209029158U (en) | 2018-12-24 | 2018-12-24 | A kind of electric vehicles shielding power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822179492.1U CN209029158U (en) | 2018-12-24 | 2018-12-24 | A kind of electric vehicles shielding power cable |
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| Publication Number | Publication Date |
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| CN209029158U true CN209029158U (en) | 2019-06-25 |
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| CN201822179492.1U Active CN209029158U (en) | 2018-12-24 | 2018-12-24 | A kind of electric vehicles shielding power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724964A (en) * | 2021-07-21 | 2021-11-30 | 华为数字能源技术有限公司 | Transformer and insulation packaging method thereof |
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2018
- 2018-12-24 CN CN201822179492.1U patent/CN209029158U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724964A (en) * | 2021-07-21 | 2021-11-30 | 华为数字能源技术有限公司 | Transformer and insulation packaging method thereof |
| CN113724964B (en) * | 2021-07-21 | 2023-11-03 | 华为数字能源技术有限公司 | Transformer and insulating packaging method thereof |
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