CN205069202U - Electric automobile quick charge cable - Google Patents
Electric automobile quick charge cable Download PDFInfo
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- CN205069202U CN205069202U CN201520745785.5U CN201520745785U CN205069202U CN 205069202 U CN205069202 U CN 205069202U CN 201520745785 U CN201520745785 U CN 201520745785U CN 205069202 U CN205069202 U CN 205069202U
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Abstract
The utility model discloses an electric automobile quick charge cable has solved present electric automobile charging cable and has produced electromagnetic radiation and disturb the technical problem of charging control when the quick charge, and this charging cable includes power supply line, earth connection, signal transmission control line and auxiliary electrical power source line, it includes copper conductor and cladding in the insulating layer in the copper conductor outside respectively, the signal transmission control line still includes: fill the nylon yarn rope on corresponding the insulating layer, the weaving layer on the composite aluminium -plastic tape layer is wrapped up on winding composite aluminium -plastic tape layer in succession, the conductive adhesive layer on the weaving layer of coating, and the inner sheath of crowded package on the conductive adhesive layer, this charging cable still includes: fill the PP rope on power supply line, earth connection, auxiliary electrical power source line and signal transmission control line group, in succession around the band layer of wrapping to and sticis the oversheath on the band layer. Can be to the electric automobile quick charge time electromagnetic -radiation -resisting.
Description
Technical field
The utility model relates to power cable technical field, particularly relates to a kind of electric vehicle rapid charging cable of anti-electromagnetic-radiation.
Background technology
At present, the development of electric automobile industry, by the restriction of the flying power of on-vehicle battery.Conveniently user can charge to electric automobile immediately when needed, associate power department set up charging pile in roadside, in order to meet the charge requirement of electric automobile, existing charging pile to the charging electric vehicle long period, need be generally 6 ~ 8 hours.Charging interval length hinders the key factor of electric automobile high speed development, and it is the task of top priority that charging pile is filled in development soon, and developing the charging cable adapting to fast charging system is the important step realizing quick charging system.
Electric vehicle rapid charging cable key is carrying charging current, meets big current quick charge, the basis in existing charging interval is shortened the charging interval of electric automobile, improves charge efficiency.But, differential mode interference electric current on charging cable and common-mode interference current can directly conduct by cable the circuit module or other equipment that enter electronic equipment (as charging pile), also can generate an electromagnetic field in space formation radiated interference, causes the erroneous judgement of device directive, misoperation.Such as, electric automobile is charging complete, but owing to being subject to electromagnetic interference, charging pile still shows its underfill, causes electric automobile overcharge.
Utility model content
When charging, electromagnetic interference is produced to the equipment in surrounding space environment for the electric vehicle rapid charging cable existed in prior art, cause the technical problem of device directive erroneous judgement, misoperation, provide a kind of electric vehicle rapid charging cable, achieve to electromagnetic wave absorption during electric vehicle rapid charging, the technique effect of anti-electromagnetic-radiation.
The utility model provides a kind of electric vehicle rapid charging cable, comprising: for transmit electrical source of power charging current power power-line, for providing the earth connection of ground protection, for the under low pressure auxiliary power supply line of auxiliary charging and the Signal transmissions control line for transmitting charging status signal; Wherein,
The insulating barrier that described power power-line, described earth connection, described auxiliary power supply line and described Signal transmissions control line comprise copper conductor respectively and be coated on outside copper conductor;
Described Signal transmissions control line also comprises: be filled in the nylon ropes on corresponding insulating barrier, the plastic-aluminum combined belt be in succession wound around, be wrapped in the tincopper fuse wire braided armor on described plastic-aluminum combined belt, be coated on the conductive adhesive layer on described braid, and extrude the inner sheath on described conductive adhesive layer;
Described quick charging cable also comprises: be filled in the high strength PP rope in the line group of described power power-line, described earth connection, described auxiliary power supply line and described Signal transmissions control line formation, in succession wrapped belting layer, and press the oversheath on described belting layer.
Optionally, the copper conductor that described quick charging cable adopts is oxygen-free copper through pulse current annealing process or single crystal Cu, and the filament diameter of described oxygen-free copper or single crystal Cu is less than 0.15mm, and described monofilament elongates rate is greater than 20%.
Optionally, described Signal transmissions control line comprises two insulated wires be made up of copper conductor outsourcing insulation, two described insulated wire pair twists, lay 8 ~ 10cm.
Optionally, the diameter of described tinned copper wire is 0.10mm, and the count of described tincopper fuse wire braided armor is greater than 85%.
Optionally, in described quick charging cable, the thickness of insulating barrier is 0.5 ~ 1.8mm, and the thickness of described inner sheath is 0.5 ~ 0.8mm, and the thickness of described oversheath is 2.2 ~ 2.4mm.
Optionally, in described quick charging cable, insulating barrier is made up of thermoplasticity TPEE composite material.
Optionally, described inner sheath and described oversheath obtain by 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyethylene, are added with graphite powder in described inner sheath and described oversheath.
The one or more technical schemes provided in the utility model, at least have following technique effect or advantage:
Due in the utility model scheme, electric vehicle rapid charging cable comprises: for transmit electrical source of power charging current power power-line, for providing the earth connection of ground protection, for the under low pressure auxiliary power supply line of auxiliary charging and the Signal transmissions control line for transmitting charging status signal; Wherein, described power power-line, described earth connection, described auxiliary power supply line and the described Signal transmissions control line insulating barrier that comprises copper conductor respectively and be coated on outside copper conductor; Described Signal transmissions control line also comprises: be filled in the nylon ropes on corresponding insulating barrier, the plastic-aluminum combined belt be in succession wound around, be wrapped in the tincopper fuse wire braided armor on described plastic-aluminum combined belt, be coated on the conductive adhesive layer on described braid, and extrude the inner sheath on described conductive adhesive layer; Described quick charging cable also comprises: be filled in the high strength PP rope in the line group of described power power-line, described earth connection, described Signal transmissions control line and described auxiliary power supply line formation, in succession wrapped belting layer, and press the oversheath on described belting layer.First, conductor selects filament diameter to be less than oxygen-free copper or the single crystal Cu of 0.15mm, and through pulse current annealing process, unit cross-sectional area current capacity is large, meets the requirement of quick charge.Secondly, Signal transmissions control line comprises two insulated wires be made up of copper conductor outsourcing insulation, and two described insulated wire pair twists, lay 8 ~ 10cm, carry out anti-interference to the Signal transmissions control line of this charging cable and suppress electromagnetic radiation, reducing the capacitive coupling between electric wire and Mutual Inductance Coupling; Again, at corresponding insulating barrier filled nylon silk rope, winding aluminum plastic composite strip layer, outer wrapping braid, and at the outer coated with conductive glue of braid, make Signal transmissions control line form totally enclosed form, prevent the interference of external signal, inhibit internal electromagnetic radiation to outward leakage simultaneously; Finally, inner sheath and oversheath adopt employing 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polythene materials, for nonpolar molecule, degree of crystallinity is high, stable chemical performance, has good electrical property, graphite powder is added in thermoplastic, for dielectric materials, electromagnetic wave absorption, strengthen the anti-electromagnetic-radiation effect of this charging cable.Effectively solve electric vehicle rapid charging cable in prior art, when charging, electromagnetic interference is produced to the equipment in surrounding space environment, cause the technical problem of device directive erroneous judgement, misoperation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
A kind of electric vehicle rapid charging cross-section of cable schematic diagram that Fig. 1 provides for the utility model embodiment.
Embodiment
The utility model embodiment is by providing a kind of electric vehicle rapid charging cable, solve the electric vehicle rapid charging cable existed in prior art, when charging, electromagnetic interference is produced to the equipment in surrounding space environment, cause the technical problem of device directive erroneous judgement, misoperation, achieve to electromagnetic wave absorption during electric vehicle rapid charging, the technique effect of anti-electromagnetic-radiation.
The technical scheme of the utility model embodiment is for solving the problems of the technologies described above, and general thought is as follows:
The utility model embodiment provides a kind of electric vehicle rapid charging cable, comprising: for transmit electrical source of power charging current power power-line, for providing the earth connection of ground protection, for the under low pressure auxiliary power supply line of auxiliary charging and the Signal transmissions control line for transmitting charging status signal; Wherein, described power power-line, described earth connection, described auxiliary power supply line and the described Signal transmissions control line insulating barrier that comprises copper conductor respectively and be coated on outside copper conductor; Described Signal transmissions control line also comprises: be filled in the nylon ropes on corresponding insulating barrier, the plastic-aluminum combined belt be in succession wound around, be wrapped in the tincopper fuse wire braided armor on described plastic-aluminum combined belt, be coated on the conductive adhesive layer on described braid, and extrude the inner sheath on described conductive adhesive layer; Described quick charging cable also comprises: be filled in the high strength PP rope in the line group of described power power-line, described earth connection, described auxiliary power supply line and described Signal transmissions control line formation, in succession wrapped belting layer, and press the oversheath on described belting layer.
Visible, in the utility model embodiment, by carrying out the Signal transmissions control line of this charging cable anti-interference and suppressing electromagnetic radiation, reduce the capacitive coupling between electric wire and Mutual Inductance Coupling; At corresponding insulating barrier filled nylon silk rope, winding aluminum plastic composite strip layer, outer wrapping braid, and at the outer coated with conductive glue of braid, make Signal transmissions control line form totally enclosed form, prevent the interference of external signal, inhibit internal electromagnetic radiation to outward leakage simultaneously.Effectively solve electric vehicle rapid charging cable in prior art, when charging, electromagnetic interference is produced to the equipment in surrounding space environment, cause the technical problem of device directive erroneous judgement, misoperation.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail, the specific features being to be understood that in the utility model embodiment and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the utility model embodiment and embodiment can combine mutually.
As shown in Figure 1, the schematic cross-section of the electric vehicle rapid charging cable of a kind of anti-electromagnetic-radiation provided for the utility model.The electric vehicle rapid charging of the utility model shown in Fig. 1 cable, comprising: for transmit electrical source of power charging current power power-line 1, for providing the earth connection 2 of ground protection, for the under low pressure auxiliary power supply line 3 of auxiliary charging and the Signal transmissions control line 4 for transmitting charging status signal; Wherein,
The insulating barrier that power power-line 1, earth connection 2, auxiliary power supply line 3 and Signal transmissions control line 4 comprise copper conductor respectively and be coated on outside copper conductor.Concrete, power power-line 1 is made up of the first copper conductor 11 and the first insulating barrier 12 be coated on outside the first copper conductor 11, earth connection 2 is made up of the second copper conductor 21 and the second insulating barrier 22 be coated on outside the second copper conductor 21, auxiliary power supply line 3 is made up of the 3rd copper conductor 31 and the 3rd insulating barrier 32 be coated on outside the 3rd copper conductor 31, the 4th insulating barrier 42 that Signal transmissions control line 4 comprises the 4th copper conductor 41 and is coated on outside the 4th copper conductor 41.Concrete, first, second, third and fourth copper conductor (11,21,31,41) can be identical material, as oxygen-free copper or single crystal Cu; First, second, third and fourth insulating barrier (12,22,32,42) can be made up of identical material, as being made up of thermoplasticity TPEE composite material.
Signal transmissions control line 4 also comprises: be filled in the nylon ropes 43 on corresponding insulating barrier (i.e. the 4th insulating barrier 42), the plastic-aluminum combined belt 44 be in succession wound around, be wrapped in the tincopper fuse wire braided armor 45 on plastic-aluminum combined belt 44, be coated on the conductive adhesive layer 46 on braid 45, and extrude the inner sheath 47 on conductive adhesive layer 46;
Described quick charging cable also comprises: be filled in the high strength PP rope 5 in the line group of power power-line 1, earth connection 2, auxiliary power supply line 3 and Signal transmissions control line 4 formation, in succession wrapped belting layer 6; And press the oversheath 7 on belting layer 6; Wherein, belting layer 6 adopts nonwoven fabrics.
In specific implementation process, the copper conductor (comprising the first copper conductor 11, second copper conductor 21, the 3rd copper conductor 31, the 4th copper conductor 41) that described quick charging cable adopts is oxygen-free copper through pulse current annealing process or single crystal Cu, the filament diameter of described oxygen-free copper or single crystal Cu is less than 0.15mm, and described monofilament elongates rate is greater than 20%.Wherein, copper wire bundle strand stranded after obtain copper conductor.Conductor material is through pulse current annealing process, and unit cross-sectional area current capacity is large, can meet the requirement of quick charge.
In specific implementation process, every root Signal transmissions control line 4 comprises two insulated wires be made up of coated 4th insulating barrier 42 of the 4th copper conductor 41.These two insulated wire pair twists, lay 8 ~ 10cm, respectively add root (as 3) nylon ropes 43 to fill in the both sides of two insulated wires of pair twist, and at the outer winding aluminum plastic composite strip layer 44 of the pair twist insulated wire being filled with nylon ropes 43, plastic-aluminum combined belt 44 wraps up tincopper fuse wire braided armor 45, coated with conductive glue-line 46 on braid 45, and inner sheath 47 is extruded on conductive adhesive layer 46, finally obtain Signal transmissions control line 4.Two insulated wire pair twists in Signal transmissions control line 4, reduce the loop area of disturbed circuit, reduce the capacitive coupling between electric wire and Mutual Inductance Coupling, braid 45 and plastic-aluminum combined belt 44 double layer screen, suppress the common mode radiation of Signal transmissions control line, the outer coated with conductive glue-line 46 of braid 45, forms totally enclosed form.Here why can shielded type cable control common mode radiation be because common mode current provides a low impedance path, make common mode current flow back to common-mode voltage source by screen.
In specific implementation process, the diameter of described tinned copper wire is 0.10mm, and the count of described tincopper fuse wire braided armor is greater than 85%.For ensureing the stability and safety reliability of charging status signal, Signal transmissions control line 4 selects pitch little, the process parameters design that count is large, coated with conductive glue, and prevent external electromagnetic interference and inner electromagnetic exposure, signal transmission effect is good.
In specific implementation process, inner sheath 47 and oversheath 7 obtain by 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyethylene.Polyethylene is as a kind of thermoplastic, it is non-polar polymeric material, not polar functionalities in molecular structure, and degree of crystallinity is high, surface free energy is low, and inertia is stronger, stable chemical performance, there is good electrical property, in low-smoke non-halogen flame-retardant polyethylene, add this absorbing material of graphite powder, the ability of inner sheath 47 and oversheath 7 electromagnetic wave absorption, anti-electromagnetic-radiation can be strengthened.
In specific implementation process, in described quick charging cable, the thickness of insulating barrier (comprising the first insulating barrier 12, second insulating barrier 22, the 3rd insulating barrier 32, the 4th insulating barrier 42) is 0.5 ~ 1.8mm, the thickness of inner sheath 47 is 0.5 ~ 0.8mm, and the thickness of oversheath 7 is 2.2 ~ 2.4mm.Ensure that the electric property of cable in quick charge process.
The concrete structure providing two kinds of electric vehicle rapid charging cables below illustrates:
1) incorporated by reference to Fig. 1, the first quick charging cable comprises: two cross-sectional areas are 95mm
2power power-line 1, cross-sectional area be 35mm
2earth connection 2, two cross-sectional areas be 6mm
2auxiliary power supply line 3, and four is 0.75mm for forming the cross-sectional area of Signal transmissions control line 4
2insulated wire (i.e. described 4th insulated wire), every two the 4th insulated wire pair twists add and are filled in an inner sheath 47.Wherein, insulating barrier (i.e. the first insulating barrier 11) thickness of power power-line 1 is 1.8mm; Insulating barrier (i.e. the second insulating barrier 21) thickness of earth connection 2 is 1.4mm; Insulating barrier (i.e. the 3rd insulating barrier 31) thickness of auxiliary power supply line 3 is 1.0mm; Insulating barrier (i.e. the 4th insulating barrier 41) thickness of the insulated wire of Signal transmissions control line 4 is 0.5mm; The thickness of inner sheath 47 is 0.6mm, and the thickness of oversheath 7 is 2.2mm.
2) still incorporated by reference to Fig. 1, the second quick charging cable comprises: two cross-sectional areas are 120mm
2power power-line 1, cross-sectional area be 35mm
2earth connection 2, two cross-sectional areas be 6mm
2auxiliary power supply line 3, and four is 1mm for forming the cross-sectional area of Signal transmissions control line 4
2insulated wire (i.e. described 4th insulated wire), every two the 4th insulated wire pair twists add and are filled in an inner sheath 47.Wherein, insulating barrier (i.e. the first insulating barrier 11) thickness of power power-line 1 is 1.8mm; Insulating barrier (i.e. the second insulating barrier 21) thickness of earth connection 2 is 1.4mm; Insulating barrier (i.e. the 3rd insulating barrier 31) thickness of auxiliary power supply line 3 is 1.0mm; Insulating barrier (i.e. the 4th insulating barrier 41) thickness of the insulated wire of Signal transmissions control line 4 is 0.5mm; The thickness of inner sheath 47 is 0.6mm, and the thickness of oversheath 7 is 2.4mm.
Generally speaking, adopt the electric vehicle rapid charging cable of anti-electromagnetic-radiation of the present utility model, there is following beneficial effect:
1) conductor that charging cable adopts is oxygen-free copper or the single crystal Cu that filament diameter is less than 0.15mm, and through pulse current annealing process, unit cross-sectional area current capacity is large, meets the requirement of quick charge.
2) Signal transmissions control line 4 adopts pair twist insulated wire as core, and lay 8 ~ 10cm reduces the loop area of disturbed circuit, reduces the capacitive coupling between electric wire and Mutual Inductance Coupling; Signal transmissions control line 4 have employed the tincopper fuse wire braided armor 45 of 0.10mm, and count is more than or equal to 85%, and plastic-aluminum combined belt 44 carries out double layer screen in conjunction with braid 45, and shield effectiveness is good; The outer coated with conductive glue-line 46 of braid 45, forms totally enclosed form, prevents the interference of external signal, inhibit internal electromagnetic radiation to outward leakage simultaneously.
3) inner sheath 47 and oversheath 7 adopt 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyethylene to make.Polyethylene is as a kind of thermoplastic, it is non-polar polymeric material, not polar functionalities in molecular structure, and degree of crystallinity is high, surface free energy is low, and inertia is stronger, stable chemical performance, there is good electrical property, in low-smoke non-halogen flame-retardant polyethylene, add this absorbing material of graphite powder, the ability of inner sheath 47 and oversheath 7 electromagnetic wave absorption, anti-electromagnetic-radiation can be strengthened.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (7)
1. an electric vehicle rapid charging cable, it is characterized in that, comprising: for transmit electrical source of power charging current power power-line, for providing the earth connection of ground protection, for the under low pressure auxiliary power supply line of auxiliary charging and the Signal transmissions control line for transmitting charging status signal; Wherein,
The insulating barrier that described power power-line, described earth connection, described auxiliary power supply line and described Signal transmissions control line comprise copper conductor respectively and be coated on outside copper conductor;
Described Signal transmissions control line also comprises: be filled in the nylon ropes on corresponding insulating barrier, the plastic-aluminum combined belt be in succession wound around, be wrapped in the tincopper fuse wire braided armor on described plastic-aluminum combined belt, be coated on the conductive adhesive layer on described braid, and extrude the inner sheath on described conductive adhesive layer;
Described quick charging cable also comprises: be filled in the high strength PP rope in the line group of described power power-line, described earth connection, described auxiliary power supply line and described Signal transmissions control line formation, in succession wrapped belting layer, and press the oversheath on described belting layer.
2. electric vehicle rapid charging cable as claimed in claim 1, it is characterized in that, the copper conductor that described quick charging cable adopts is oxygen-free copper through pulse current annealing process or single crystal Cu, the filament diameter of described oxygen-free copper or single crystal Cu is less than 0.15mm, and described monofilament elongates rate is greater than 20%.
3. electric vehicle rapid charging cable as claimed in claim 1, it is characterized in that, described Signal transmissions control line comprises two insulated wires be made up of copper conductor outsourcing insulation, two described insulated wire pair twists, lay 8cm ~ 10cm.
4. electric vehicle rapid charging cable as claimed in claim 1, it is characterized in that, the diameter of described tinned copper wire is 0.10mm, and the count of described tincopper fuse wire braided armor is greater than 85%.
5. electric vehicle rapid charging cable as claimed in claim 1, it is characterized in that, in described quick charging cable, the thickness of insulating barrier is 0.5mm ~ 1.8mm, and the thickness of described inner sheath is 0.5mm ~ 0.8mm, and the thickness of described oversheath is 2.2mm ~ 2.4mm.
6. electric vehicle rapid charging cable as claimed in claim 1, it is characterized in that, in described quick charging cable, insulating barrier is made up of thermoplasticity TPEE composite material.
7. electric vehicle rapid charging cable as claimed in claim 1, is characterized in that, described inner sheath and described oversheath obtain by 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyethylene, are added with graphite powder in described inner sheath and described oversheath.
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| CN201520745785.5U CN205069202U (en) | 2015-09-24 | 2015-09-24 | Electric automobile quick charge cable |
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| CN201520745785.5U CN205069202U (en) | 2015-09-24 | 2015-09-24 | Electric automobile quick charge cable |
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| CN106128613A (en) * | 2016-08-24 | 2016-11-16 | 成都大唐线缆有限公司 | A kind of electric automobile DC charging system cable and preparation method thereof |
| CN106558367A (en) * | 2015-09-24 | 2017-04-05 | 深圳市联嘉祥科技股份有限公司 | A kind of electric vehicle rapid charging cable and preparation method thereof |
| CN107516552A (en) * | 2017-08-30 | 2017-12-26 | 中天科技装备电缆有限公司 | A kind of wear-resisting resistance to torsion environment-friendly type cable for charging electric automobiles and its preparation technology |
| CN107680730A (en) * | 2017-09-29 | 2018-02-09 | 特瓦特能源科技有限公司 | DC charging wire harness, electrical connection module and charging port component |
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| CN106558367A (en) * | 2015-09-24 | 2017-04-05 | 深圳市联嘉祥科技股份有限公司 | A kind of electric vehicle rapid charging cable and preparation method thereof |
| CN106128613A (en) * | 2016-08-24 | 2016-11-16 | 成都大唐线缆有限公司 | A kind of electric automobile DC charging system cable and preparation method thereof |
| 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 |
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| CN110546718A (en) * | 2017-04-28 | 2019-12-06 | 住友电装株式会社 | Composite cable |
| US11133121B2 (en) | 2017-04-28 | 2021-09-28 | Sumitomo Wiring Systems, Ltd. | Composite cable with inclusion interposed between separator and sheath |
| CN108944495A (en) * | 2017-05-19 | 2018-12-07 | 保时捷股份公司 | The device of energy and information is transmitted by electronic automobile-used charging cable |
| US11046195B2 (en) | 2017-05-19 | 2021-06-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Apparatus for transmitting energy and information by means of a charging cable for an electric vehicle |
| CN107516552A (en) * | 2017-08-30 | 2017-12-26 | 中天科技装备电缆有限公司 | A kind of wear-resisting resistance to torsion environment-friendly type cable for charging electric automobiles and its preparation technology |
| WO2019042009A1 (en) * | 2017-08-30 | 2019-03-07 | 中天科技装备电缆有限公司 | Wear-resistant, torsion-resistant and environmentally friendly cable for electrical vehicle charging and preparation method therefor |
| CN107680730A (en) * | 2017-09-29 | 2018-02-09 | 特瓦特能源科技有限公司 | DC charging wire harness, electrical connection module and charging port component |
| CN110544561A (en) * | 2019-09-02 | 2019-12-06 | 东莞福川精密工业股份有限公司 | Special cable for flexible drag chain cable and manufacturing process |
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