CN201965955U - Alternating-current charging cable for electric automobile - Google Patents
Alternating-current charging cable for electric automobile Download PDFInfo
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- CN201965955U CN201965955U CN201120087170XU CN201120087170U CN201965955U CN 201965955 U CN201965955 U CN 201965955U CN 201120087170X U CN201120087170X U CN 201120087170XU CN 201120087170 U CN201120087170 U CN 201120087170U CN 201965955 U CN201965955 U CN 201965955U
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- cable
- current charging
- conductor
- electric vehicle
- charging cable
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Abstract
The utility model discloses an alternating-current charging cable for an electric automobile, which comprises a plurality of functional wires arranged in the middle of the cable, an internal protective layer which is wrapped between the functional wires and on the outer sides of the functional wires or wraps on the outer sides of the functional wires, and a first metal shielding layer, an insulating covering belt and an external sheath sequentially arranged on the outer side of the internal protective layer, wherein the functional wires include three power wires, a middle wire and a signal wire cable, wherein the cross section of the cable is round. The power wires and other functional wires are arranged inside the wire cable, the internal protective layer is filled around or wraps the functional wires, the first metal shielding layer and the external sheath are sequentially arranged, and the first metal shielding layer is connected with a ground wire to form a shielding system to completely isolate the internal wire core from the exterior, so as to ensure the safety of staff and equipment. The functional wire comprises a signal wire cable and power wires, so that the alternating-current charging cable for the electric automobile has both power transmission and signal control functions.
Description
Technical field
The utility model relates to a kind of cable, relates in particular to a kind of electric vehicle alternating-current charging cable, is specially adapted to the use as power supply in the electric automobile conduction-type charging inlet and signal wire connecting cable product.
Background technology
Along with the continuous progress and the rapid economy development of social production, country has strengthened the process of helping and promote its development to New-energy electric vehicle at present.Now thereby country and relevant electric network consecutive have been formulated the requirement that construction that related standards makes electric automobile obtain electric power has had standard.The power of electric automobile is electric power, and electric automobile to obtain the method for electric power at present mainly be by the storage battery electric power storage, after using up, storage battery just need charging once more to reuse, and be electric energy can be input to automobile by the electric wire connection side between charging pile and the automobile, and finish whole charging process by signal controlling.Cable at present commonly used is the signalization control line not, and is perhaps simple and connect holding wire, and the control signal interference signal that is subjected to the electric power transfer process generation of leader cable is easily disturbed like this, causes confusion, and is unfavorable for the control of charging process.Adopt independently electric power handling cable and independently signal controlling cable simple combination, the signal controlling cable is easy to be interfered.Common cable is general to adopt stranded core to make, and twists easily in the frequent plug process of charging, causes distortion of the cable, thereby influences electric power transfer, influences cable useful life.
Summary of the invention
At the deficiencies in the prior art, the technical problems to be solved in the utility model provides a kind of electric vehicle alternating-current charging cable that has electric power conveying and signal controlling function concurrently.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of electric vehicle alternating-current charging cable, it comprises: place described cable middle part many root functionalitys line, extrude between described functional line and the outside or wrapped in the sheath in the described functional line outside, be located at first metal screen layer, insulation band, the oversheath in the described sheath outside successively; Described functional line comprises three power lines, center line, signal cable, and the cross section of described cable is circular.
As the improvement of such scheme, the core of described power line is non-stranded core, and this non-stranded core comprises the interlacing layer of the many craspedodrome plain conductors that extend in parallel, the described craspedodrome plain conductor of parcel.
As the improvement of such scheme, described craspedodrome plain conductor is 7 or 19 or 37 or 61.
As the improvement of such scheme, described craspedodrome plain conductor is metallic conductor or the conductor with coat of metal.
As the improvement of such scheme, described cable comprises the described interlacing layer of multilayer.
Improvement as such scheme, described first metal screen layer comprises many along equally distributed first shielding conductor of described cable cross-section, described first shielding conductor twines side by side or weaves and is wound in the described sheath outside, and described first shielding conductor conducting is each other formed earth connection.
As the improvement of such scheme, described first shielding conductor is a bare copper wire.
As the improvement of such scheme, described signal cable comprise two pair twists holding wire, be wrapped in second metal screen layer in the holding wire outside, described holding wire comprises conductor core wire and is coated on the insulating barrier of described conductor core wire.
As the improvement of such scheme, described second metal screen layer comprises the many equally distributed secondary shielding lines of cross section along described signal cable, and described secondary shielding line twines or weave the outside of the holding wire that is wound in described pair twist side by side.
As the improvement of such scheme, described secondary shielding line is a bare copper wire.
The beneficial effects of the utility model are: the inside that functional lines such as power line is placed cable, around functional line, fill or be provided with wrapping up sheath, set gradually first metal screen layer and oversheath again, connect to form shielding harness by the earth connection and first metal screen layer, internal core and outside are kept apart fully, thereby can guarantee the safety of personnel and equipment.Wherein comprise signal cable and power line in the functional line, make the electric vehicle alternating-current charging cable have electric power concurrently and carry and the signal controlling function.
Description of drawings
Fig. 1 is the cross section structure schematic diagram of the embodiment of a kind of electric vehicle alternating-current charging cable of the utility model.
Fig. 2 is the organigram of the non-stranded core in the charging cable of the utility model embodiment.
Embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of electric vehicle alternating-current charging cable of the utility model, it comprises: place described cable middle part many root functionalitys line, extrude between described functional line and the outside or wrapped in the sheath 18 in the described functional line outside, be located at first metal screen layer 32, insulation band 35, the oversheath 38 in described sheath 18 outsides successively; Described functional line comprises three power lines 10, center line 30, signal cable 20, and the cross section of described cable is circular.Functional lines such as power line 10 are placed the inside of cable, around functional line, fill or be provided with wrapping up sheath 18, set gradually first metal screen layer 32 and oversheath 38 etc. again, connect to form shielding harness by the earth connection and first metal screen layer 32, internal core and outside are kept apart fully, anti-stop signal disturbs and can prevent electric leakage, thereby can guarantee the safety of personnel and equipment.Wherein comprise signal cable 20 and power line 10 etc. in the functional line, make the electric vehicle alternating-current charging cable have electric power concurrently and carry and the signal controlling function.Described power line 10 also claims phase line.Power line 10 comprises conductor 12 and insulating barrier 15.
More preferably, the core of described power line 10 is non-stranded core, and this non-stranded core comprises the interlacing layer 55 of the many craspedodrome plain conductors 50 that extend in parallel, the described craspedodrome plain conductor 50 of parcel, with reference to shown in Figure 2.Adopt non-stranded core, be different from common stranded core, non-stranded core has torsional resistance preferably, can there be twisted phenomena, increased the tensile property of product simultaneously, prolong the useful life of producing cable, especially be suitable for electric automobile charging station and use as the charge cable of mobile occasion.Use the tissue of interlacing that craspedodrome plain conductor 50 is closely wrapped up together, the cable of formation has better torsional property.The outer braiding structure that adopts, core can effectively promote the stretch-proof ability of cable after combined crosswise.
More preferably, described craspedodrome plain conductor is 7 or 19 or 37 or 61.Thereby realize that a craspedodrome plain conductor 50 occupy the center,, make its arrangement architecture compactness to prevent distortion around craspedodrome plain conductor 50 compactnesses of this center 6 craspedodrome plain conductors 50 that diameter is identical of evenly arranging.Can arrange 12 along its evenly distributed one deck craspedodrome lead in outside again, take second place is 18 and 24 again, therefore around craspedodrome plain conductor 50 peripheries wherein the craspedodrome plain conductor 50 that several layers is closely arranged is set, its lead radical should be 7 or 19 or 37 or 61.Thereby form the craspedodrome plain conductor group of closely arranging, make it have torsional resistance preferably.
More preferably, described craspedodrome plain conductor 50 is metallic conductor or the conductor with coat of metal, makes lead have the electric conductivity of lead conductor, has the torsional property of rigidity simultaneously.
More preferably, described cable comprises the described interlacing layer 55 of multilayer, according to the quantity and the big or small pliable and tough gripping sleeve that multilayer binding can be set of craspedodrome plain conductor 50, lead is closely wrapped up, and further improves the torsional property and the electric conductivity of cable.
More preferably, described first metal screen layer 32 comprises many along equally distributed first shielding conductor 33 of described cable cross-section, described first shielding conductor 33 twines side by side or weaves and is wound in described sheath 18 outsides, and described first shielding conductor 33 conducting is each other formed earth connection.Can provide shielding protection for charging cable around functional line first metal screen layer 32 that first shielding conductor 33 forms of evenly arranging; the interference that leaks of anti-stop signal; also prevent the message transmission of external signal interference signal control line, prevent that simultaneously power line from gushing interference signal, also prevent the power line electric leakage.
More preferably, described first shielding conductor 33 is bare copper wires, and bare copper wire has good ductility, and is evenly distributed as screen, can prevent that the part from breaking or fracture and lose function of shielding.
More preferably, described signal cable 20 comprise two pair twists holding wire 22, be wrapped in second metal screen layer 28 in holding wire 22 outsides, described holding wire 22 comprises conductor core wire 25 and is coated on the insulating barrier 26 of described conductor core wire 25.Promptly use common holding wire pair twist to wrap up screen then; thereby signal cable 20 and other functional lines such as power line 10 are isolated mutually; prevent power line interference signal control transmission; guaranteeing further that control signal is stable does not leak yet; also signal cable 20 is carried out physical protection, prevent that power line 10 electric leakages from exerting an influence to holding wire.
More preferably, described second metal screen layer 28 comprises the many equally distributed secondary shielding lines of cross section along described signal cable (figure does not show), similar first metal screen layer and first shielding conductor, described secondary shielding line twines or weaves the outside of the holding wire that is wound in described pair twist side by side, thereby can form uniformly around with the screen of signal core, prevent the shadow shield leak.Weave the screen that forms and can further improve shielding density and thickness, the formation path that better shielding conductor is connected to each other improves shield effectiveness, prevents the shadow shield inefficacy that the part fractures and forms.
More preferably, described secondary shielding line is a bare copper wire, and bare copper wire has good ductility, and is evenly distributed as screen, can prevent that the part from breaking or fracture and lose function of shielding.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1. an electric vehicle alternating-current charging cable is characterized in that, comprising:
Place many root functionalitys line at described cable middle part, described functional line comprises three power lines, center line, signal cable,
Extrude between described functional line and the outside or wrapped in the sheath in the described functional line outside,
Be located at first metal screen layer, insulation band, the oversheath in the described sheath outside successively;
The cross section of described cable is circular.
2. electric vehicle alternating-current charging cable according to claim 1, it is characterized in that: the core of described power line is non-stranded core, and this non-stranded core comprises the interlacing layer of the many craspedodrome plain conductors that extend in parallel, the described craspedodrome plain conductor of parcel.
3. electric vehicle alternating-current charging cable according to claim 2 is characterized in that: described craspedodrome plain conductor is 7 or 19 or 37 or 61.
4. according to claim 2 or 3 described electric vehicle alternating-current charging cables, it is characterized in that: described craspedodrome plain conductor is metallic conductor or the conductor with coat of metal.
5. electric vehicle alternating-current charging cable according to claim 2 is characterized in that: described cable comprises the described interlacing layer of multilayer.
6. electric vehicle alternating-current charging cable according to claim 1, it is characterized in that: described first metal screen layer comprises many along equally distributed first shielding conductor of described cable cross-section, described first shielding conductor twines side by side or weaves and is wound in the described sheath outside, and described first shielding conductor conducting is each other formed earth connection.
7. electric vehicle alternating-current charging cable according to claim 6 is characterized in that: described first shielding conductor is a bare copper wire.
8. electric vehicle alternating-current charging cable according to claim 1, it is characterized in that: described signal cable comprise two pair twists holding wire, be wrapped in second metal screen layer in the holding wire outside, described holding wire comprises conductor core wire and is coated on the insulating barrier of described conductor core wire.
9. electric vehicle alternating-current charging cable according to claim 8, it is characterized in that: described second metal screen layer comprises the many equally distributed secondary shielding lines of cross section along described signal cable, and described secondary shielding line twines or weave the outside of the holding wire that is wound in described pair twist side by side.
10. electric vehicle alternating-current charging cable according to claim 9 is characterized in that: described secondary shielding line is a bare copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120087170XU CN201965955U (en) | 2011-03-29 | 2011-03-29 | Alternating-current charging cable for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120087170XU CN201965955U (en) | 2011-03-29 | 2011-03-29 | Alternating-current charging cable for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201965955U true CN201965955U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120087170XU Expired - Fee Related CN201965955U (en) | 2011-03-29 | 2011-03-29 | Alternating-current charging cable for electric automobile |
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| Country | Link |
|---|---|
| CN (1) | CN201965955U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104395968A (en) * | 2012-07-12 | 2015-03-04 | 矢崎总业株式会社 | Wire harness |
| CN105679452A (en) * | 2016-03-31 | 2016-06-15 | 苏州协基电线有限公司 | Novel environmentally friendly electric vehicle charging cable |
| CN109661329A (en) * | 2016-07-29 | 2019-04-19 | 矢崎总业株式会社 | Vehicle circuit body |
-
2011
- 2011-03-29 CN CN201120087170XU patent/CN201965955U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104395968A (en) * | 2012-07-12 | 2015-03-04 | 矢崎总业株式会社 | Wire harness |
| US9592774B2 (en) | 2012-07-12 | 2017-03-14 | Yazaki Corporation | Wire harness |
| CN104395968B (en) * | 2012-07-12 | 2017-08-11 | 矢崎总业株式会社 | Wire harness |
| CN105679452A (en) * | 2016-03-31 | 2016-06-15 | 苏州协基电线有限公司 | Novel environmentally friendly electric vehicle charging cable |
| CN109661329A (en) * | 2016-07-29 | 2019-04-19 | 矢崎总业株式会社 | Vehicle circuit body |
| CN109661329B (en) * | 2016-07-29 | 2022-05-31 | 矢崎总业株式会社 | Vehicle circuit body |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20200329 |