CN206849528U - A kind of direct current charging cable for electric automobile - Google Patents
A kind of direct current charging cable for electric automobile Download PDFInfo
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- CN206849528U CN206849528U CN201621085950.XU CN201621085950U CN206849528U CN 206849528 U CN206849528 U CN 206849528U CN 201621085950 U CN201621085950 U CN 201621085950U CN 206849528 U CN206849528 U CN 206849528U
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Abstract
The utility model discloses a kind of direct current charging cable for electric automobile, cable includes cable core, packed layer, the band being coated on outside the cable core and packed layer and the oversheath being coated on outside the band.The construction of cable has stronger mechanical performance and electrical insulation properties, and direct-current charging post ensures charging current >=250A, kart filling time≤0.5 hour；Auxiliary signal transmission control cored wire employs 0.10mm tin plating braiding copper wire, count >=85%, and inner sheath and oversheath are made of polyether-type TPU thermoplastics, high-elastic wear-resistant.Add the auxiliary signal of the functions such as monitoring temperature, electronic lock, insulating monitoring and leadage circuit to transmit control conductor in direct current charging cable for electric automobile increasing simultaneously, further increase its security.
Description
Technical field
Power cable technical field is the utility model is related to, more specifically to a kind of electric automobile DC charging electricity
Cable.
Background technology
Charging electric vehicle is used as the fundamental for realizing that electric car conduction charges, its technology by the use of interface and communication protocol
The unification of content and specification, it is to ensure the technical foundation that electric automobile interconnects with charging infrastructure.Wherein, electric automobile
Quick charging cable is the necessaries during charging electric vehicle, and it is carrying charging current that it, which is acted on, shortens electric automobile
In the existing charging interval, charge efficiency is improved, is transported in automotive battery system, to meet that electric automobile is fast by electric energy safe
The requirement that speed continuation of the journey uses.
In the prior art, although large current charge can shorten the charging interval, DC charging car end interface is not set
Corresponding safety prevention measure is put, and is also not known and forbids unsafe charge mode application, therefore easily generation personnel touch
The accidents such as electricity, equipment burning, it is impossible to ensure the safety of electric automobile and user during charging.
Therefore, it is necessary to provide one kind during electric automobile large current charge, can fully ensure that electric automobile with
And user's safety, while improve the direct current charging cable of charge efficiency.
Utility model content
The utility model is directed to drawbacks described above of the prior art, there is provided a kind of high electronic of safe and reliable, charge efficiency
Automobile direct current charging cable.
Technical scheme is used by the utility model solves its technical problem：
A kind of direct current charging cable for electric automobile is provided, it includes cable core, packed layer, is coated on successively from inside to outside
Band outside the cable core and packed layer and the oversheath being coated on outside the band.
Preferably, the cable core includes：Electrical source of power core, the transmission for electrical source of power charging current；Signal
Control conductor is transmitted, for transmitting charging status signal；Auxiliary low pressure power supply core, for connecting auxiliary low pressure power supply；Auxiliary
Signal transmits control conductor, and the signal for temperature control, electronic lock, insulating monitoring, leadage circuit transmits；And ground wire
Core.
Preferably, the electrical source of power core, ground connection core and auxiliary low pressure power supply core include by more conductors with
And the insulation core wire that insulating barrier is formed；
The signal transmission control conductor includes insulation core wire, filled nylon cord, braiding layer and inner sheath, and described
Insulation core wire includes more conductors and insulating barrier successively from inside to outside；
The auxiliary signal transmission control conductor includes insulation core wire, filling cotton cord, braiding layer and inner sheath, and described
Insulation core wire includes more conductors and insulating barrier successively from inside to outside.
Preferably, the packed layer is restricted for high intensity PP；The band is non-woven fabrics.
Preferably, each conductor is that more copper free wires are twisted or is that more single crystal copper wires are twisted, and
Copper free wire or the single crystal copper wire filament diameter is less than or equal to 0.25mm, and monofilament elongation is more than 20%.
Preferably, the bundle strand direction of lay of the more copper free wires or more single crystal copper wires is left-hand, described more
The direction of lay of conductor is opposite with the direction of lay of the more copper free wires or more single crystal copper wires.
Preferably, the braiding layer forms by tinned copper wire braiding, and a diameter of 0.10mm of the tinned copper wire, compiles
Density is knitted more than 85%.
Preferably, the insulating barrier is made by modified PVC high-elastic wear-resistant insulating materials；And thickness be 0.5mm~
1.8mm。
Preferably, the inner sheath and oversheath are made by polyether-type TPU thermoplastics, and the inner sheath thickness
It is 0.5mm~0.8mm, oversheath thickness is 2.2mm~2.4mm.
In summary, implement direct current charging cable for electric automobile of the present utility model, have the advantages that：The cable
Structure has stronger mechanical performance and electrical insulation properties, and direct-current charging post ensures charging current >=250A, and kart is filled
Full time≤0.5 hour；Finally, auxiliary signal transmission control cored wire employs 0.10mm tin plating braiding copper wire, count
>=85%, inner sheath and oversheath are made of polyether-type TPU thermoplastics, high-elastic wear-resistant.Simultaneously in electric automobile direct current
Charging cable has added the auxiliary signal of the functions such as monitoring temperature, electronic lock, insulating monitoring and leadage circuit to transmit control line in increasing
Core, further increase its security.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic cross-section of the direct current charging cable for electric automobile in the utility model embodiment one：
Fig. 2 is the schematic cross-section of the auxiliary signal transmission control conductor in the utility model embodiment one；
Fig. 3 is the step flow chart of the direct current charging cable for electric automobile preparation method in the utility model embodiment two.
Embodiment
The utility model is not for present in prior art, when carrying out large current charge, DC charging car end interface has
Have and corresponding safety prevention measure is set, and be also not known and forbid unsafe charge mode application, therefore people easily occurs
The accidents such as member gets an electric shock, equipment burning, it is impossible to electric automobile and user's security problems when ensureing to charge, there is provided Yi Zhong electricity
Electrical automobile direct current charging cable so that during electric automobile large current charge, can fully ensure that electric automobile and make
User's safety, while improve the direct current charging cable of charge efficiency.Its core concept is：To ensure its security, in electronic vapour
Car direct current charging cable has added the auxiliary signal of the functions such as monitoring temperature, electronic lock, insulating monitoring and leadage circuit to transmit in increasing
Control conductor, become a kind of safe and reliable direct current charging cable for electric automobile.
Embodiment one：
As shown in figure 1, the utility model proposes direct current charging cable for electric automobile include cable successively from inside to outside
Core, packed layer 6, the band 7 being coated on outside the cable core and packed layer 6 and it is coated on outer outside the band 7
Sheath 8.
Further, the cable core includes：2 70mm2Electrical source of power core 1, for electrical source of power charging current
Transmission；2 external diameter 5.9mm signals transmit control conductor 4, for transmitting charging status signal；2 4mm2Auxiliary low pressure power supply
Core 3, for connecting auxiliary low pressure power supply；1 external diameter 8.0mm auxiliary signal transmits control conductor 5, for temperature control, electricity
The signal transmission of sub- lock, insulating monitoring, leadage circuit；And 1 25mm2Ground connection core 2.
It is filled between above-mentioned core by packed layer 6, the packed layer 6 is preferably that high intensity PP restricts, while packed layer 6
Outer wrapped band 7, the band 7 are preferably non-woven fabrics；And it will be made by the way of extruding by polyether-type TPU thermoplastics
Oversheath 8 be evenly coated at outside band 7.
The electrical source of power core 1 includes the insulation core wire being made up of more conductors 11 and insulating barrier 12；The ground connection
Core 2 includes the insulation core wire being made up of more conductors 21 and insulating barrier 22；And auxiliary low pressure power supply core 3 is included by more
The insulation core wire that root conductor 31 and insulating barrier 32 are formed.
The signal transmission control conductor 4 includes insulation core wire 44, filled nylon cord 43, braiding layer 45 and interior shield
Set 46；And the insulation core wire 44 includes more conductors 41, insulating barrier 42 successively from inside to outside.
Fig. 2 shows the schematic cross-section of auxiliary signal transmission control conductor 5, and the auxiliary signal transmits control conductor 5
Including insulation core wire 51, filling cotton cord 54, braiding layer 55 and inner sheath 56, and the insulation core wire 51 wraps successively from inside to outside
Include more conductors 52, insulating barrier 53.
Each conductor 11,21,31,41,52 is that more copper free wires are twisted or is that more single crystal copper wires are twisted
Form, and the copper free wire or single crystal copper wire filament diameter are less than or equal to 0.25mm, monofilament elongation is more than 20%.Copper wire
Conductor 11,21,31,41,52 is obtained after bundle strand is twisted, because filament diameter is small, therefore copper wire quantity is more needed for conductor, so as to have
The external force suffered by dispersed cable is imitated, makes cable that there is extremely strong bend resistance ability.
Specifically, the bundle strand direction of lay of the more copper free wires or more single crystal copper wires is left-hand, described more
The direction of lay of conductor 11,21,31,41,52 is opposite with the direction of lay of the more copper free wires or more single crystal copper wires.
Specifically, the braiding layer 45 and braiding layer 55 form by tinned copper wire braiding, and the tinned copper wire
A diameter of 0.10mm, count are more than 85%.
Insulating barrier 12 described in the present embodiment, 22,32,42,53 are made by modified PVC high-elastic wear-resistant insulating materials；And
Thickness is 0.5mm~1.8mm；The wherein described thickness of insulating barrier 12,22,32,42,53 can be respectively preferably 1.7mm, 1.3mm,
0.5mm, 0.6mm and 0.6mm.
The inner sheath 46,56 and oversheath 8 are made by polyether-type TPU thermoplastics, and inner sheath thickness 46,56
Thickness is 0.5mm~0.8mm, and the thickness of oversheath 8 is 2.2mm~2.4mm.Preferably, the thickness of sheath 46 is 0.6mm,
The thickness of sheath 56 is 0.8mm, and the thickness of the oversheath 8 is 2.2mm.
Fig. 3 shows the preparation method flow chart of direct current charging cable for electric automobile provided by the utility model, including with
Lower step：
It is prepared by S1, conductor：By more conductor materials after wire drawing, being twisted, conductor group is obtained；
S2, core are made：Using plsitive mold in the conductor group outer cladding by modified PVC high-elastic wear-resistant insulating materials
Obtained insulating barrier, obtains insulation core wire；
Using 2 above-mentioned insulation core wires as electrical source of power core；
Using 1 above-mentioned insulation core wire as ground connection core；
Using 2 above-mentioned insulation core wires as auxiliary low pressure power supply core；
By 2 insulation core wire pair twists, filled with 2 filled nylon cords, pair twist 2 insulation core wires with
And the braiding layer for setting tinned copper wire to weave outside 2 filled nylon cords, and inner sheath is extruded outside the braiding layer, obtain
Signal transmits control conductor；
Bundle strand is carried out by 6 insulation core wires and in 10 filling cotton cords of 6 insulation core wire central fillers, is formed
One group of insulation core wire, one group of insulation core wire sets the braiding layer that tinned copper wire weaves outside, and is squeezed outside the braiding layer
Bag inner sheath, obtain auxiliary signal transmission control conductor；
In the electrical source of power core, signal transmission control conductor, auxiliary low pressure power supply core, auxiliary signal transmission control
High intensity PP ropes, and wrapped non-woven fabrics are filled between core and ground connection core；
S3, extrude outer jacket：The outer jacket as made from polyether-type TPU thermoplastics is uniformly wrapped by the way of extruding
Overlay on outside the non-woven fabrics.
In summary, the construction of cable of the present utility model has stronger mechanical performance and electrical insulation properties, and direct current fills
Electric stake ensures charging current >=250A, kart filling time≤0.5 hour；Finally, auxiliary signal transmission control cored wire is adopted
With 0.10mm tin plating braiding copper wire, count >=85%, inner sheath and oversheath use polyether-type TPU thermoplastics
It is made, high-elastic wear-resistant.Monitoring temperature, electronic lock, insulating monitoring are added in direct current charging cable for electric automobile increasing simultaneously and have let out
The auxiliary signal transmission control conductor for the functions such as road of discharging, further increases its security.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (8)
- A kind of 1. direct current charging cable for electric automobile, it is characterised in that its from inside to outside successively include cable core, packed layer, The band being coated on outside the cable core and packed layer and the oversheath being coated on outside the band；The cable core includes：Electrical source of power core, the transmission for electrical source of power charging current；Signal transmits control line Core, for transmitting charging status signal；Auxiliary low pressure power supply core, for connecting auxiliary low pressure power supply；Auxiliary signal transmission control Core processed, the signal for temperature control, electronic lock, insulating monitoring, leadage circuit transmit；And ground connection core.
- 2. cable as claimed in claim 1, it is characterised in that electrical source of power core, ground connection core and the auxiliary low pressure Power supply core includes the insulation core wire being made up of more conductors and insulating barrier；The signal transmission control conductor includes insulation core wire, filled nylon cord, braiding layer and inner sheath, and the insulation Cored wire includes more conductors and insulating barrier successively from inside to outside；The auxiliary signal transmission control conductor includes insulation core wire, braiding layer and inner sheath successively from inside to outside, and described Insulation core wire includes more conductors and insulating barrier successively from inside to outside.
- 3. cable as claimed in claim 1, it is characterised in that the packed layer is restricted for high intensity PP；The band is nonwoven Cloth.
- 4. cable as claimed in claim 2, it is characterised in that each conductor is that more copper free wires are twisted or are More single crystal copper wires are twisted, and the filament diameter of the copper free wire or single crystal copper wire is less than or equal to 0.25mm, monofilament Elongation is more than 20%.
- 5. cable as claimed in claim 4, it is characterised in that the bundle strand of the more copper free wires or more single crystal copper wires twists It is left-hand to close direction, the twisted side of the direction of lay of the more conductors and the more copper free wires or more single crystal copper wires To opposite.
- 6. cable as claimed in claim 2, it is characterised in that the braiding layer forms by tinned copper wire braiding, and described A diameter of 0.10mm of tinned copper wire, count are more than 85%.
- 7. cable as claimed in claim 2, it is characterised in that the insulating barrier is by modified PVC high-elastic wear-resistant insulating materials It is made；And thickness is 0.5mm~1.8mm.
- 8. cable as claimed in claim 2, it is characterised in that the inner sheath and oversheath are by polyether-type TPU thermoplasticity Material is made, and the inner sheath thickness is 0.5mm~0.8mm, and oversheath thickness is 2.2mm~2.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085950.XU CN206849528U (en) | 2016-09-27 | 2016-09-27 | A kind of direct current charging cable for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621085950.XU CN206849528U (en) | 2016-09-27 | 2016-09-27 | A kind of direct current charging cable for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849528U true CN206849528U (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621085950.XU Active CN206849528U (en) | 2016-09-27 | 2016-09-27 | A kind of direct current charging cable for electric automobile |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871547A (en) * | 2016-09-27 | 2018-04-03 | 深圳市联嘉祥科技股份有限公司 | A kind of direct current charging cable for electric automobile and preparation method thereof |
| CN114068107A (en) * | 2021-11-12 | 2022-02-18 | 红旗电缆电器仪表集团有限公司 | Method for processing ultra-soft direct current charging pile cable of electric automobile |
-
2016
- 2016-09-27 CN CN201621085950.XU patent/CN206849528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871547A (en) * | 2016-09-27 | 2018-04-03 | 深圳市联嘉祥科技股份有限公司 | A kind of direct current charging cable for electric automobile and preparation method thereof |
| CN114068107A (en) * | 2021-11-12 | 2022-02-18 | 红旗电缆电器仪表集团有限公司 | Method for processing ultra-soft direct current charging pile cable of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210910 Address after: 241000 Fanchang County Economic Development Zone, Wuhu City, Anhui Province Patentee after: ANHUI LIANJIAXIANG SPECIAL CABLE Co.,Ltd. Address before: 518000 floor 12, building C, Shenzhen International Innovation Center, No. 1006, Shennan Avenue, Huafu street, Futian District, Shenzhen, Guangdong Province Patentee before: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. |