CN217239093U - Cable for charging drag-resistant electric automobile - Google Patents
Cable for charging drag-resistant electric automobile Download PDFInfo
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- CN217239093U CN217239093U CN202220292858.XU CN202220292858U CN217239093U CN 217239093 U CN217239093 U CN 217239093U CN 202220292858 U CN202220292858 U CN 202220292858U CN 217239093 U CN217239093 U CN 217239093U
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- 239000004020 conductor Substances 0.000 claims abstract description 36
- 239000004677 Nylon Substances 0.000 claims abstract description 25
- 229920001778 nylon Polymers 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 239000000806 elastomer Substances 0.000 claims abstract description 9
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 9
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 9
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 5
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000011162 core material Substances 0.000 claims description 89
- 238000004804 winding Methods 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims description 14
- 229920013716 polyethylene resin Polymers 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 239000000805 composite resin Substances 0.000 claims description 12
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 8
- 229910000077 silane Inorganic materials 0.000 claims description 8
- 229920006231 aramid fiber Polymers 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 7
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract description 3
- 230000017105 transposition Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 66
- 238000005452 bending Methods 0.000 description 4
- 229920006240 drawn fiber Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a resistant cable that charges of electric automobile that pulls, including the main power supply sinle silk, the auxiliary power supply sinle silk, the earth core, control core and expansion sinle silk constitute the cable core around the common transposition of a regular pentagon silicon rubber elastomer filler core, the longitudinal hole has been seted up to the silicon rubber elastomer filler core, the longitudinal hole endotheca is equipped with nonrust steel wire and strengthens the core, the cable core outside cladding has the crowded package inner sheath layer of TPU in proper order, the antitorque package of nylon wire and chloroprene rubber oversheath layer around the nylon wire, it includes that two insulation core pair twists constitution expand the line core to expand the sinle silk, insulation core includes inner conductor and ethylene propylene diene monomer insulating layer, it has nylon resin around package and butyronitrile polyvinyl chloride restrictive coating to expand the outside cladding in proper order of line core. The cable has better tensile property, drag resistance, abrasion resistance, light weight and light weight, stable shielding property and better durability.
Description
Technical Field
The application relates to the technical field of cables, in particular to a cable for charging of a drag-resistant electric automobile.
Background
The electric wire cable for charging the electric automobile is used for charging equipment and a charging port of the electric automobile, or a vehicle charging and discharging early warning control system with a control signal transmission function in the aspects of charging saturation, safety early warning and the like. However, the charging cable with general tensile resistance is subjected to repeated operations such as pulling and bending, so that the phenomenon of broken wire and breakage of a copper wire braided or copper strip shielding layer is easily caused, the shielding effect is unstable, and the electrical characteristics are affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the technical problem that solve provides a resistant cable for charging of electric automobile that pulls, and stretch-proofing performance is better, resistant dragging, stand wear and tear, light lightweight preparation, shielding property is stable, and the durability is better.
The present application solves the above-mentioned problems by the following technical solutions.
The cable for the dragging-resistant electric automobile charging comprises a main power supply wire core, an auxiliary power supply wire core, a grounding wire core, a control wire core and an expansion wire core which are jointly twisted around a regular pentagonal silicon rubber elastomer filling core to form a cable core, wherein a longitudinal hole is formed in the silicon rubber elastomer filling core, a stainless steel wire reinforcing core is sleeved in the longitudinal hole, a TPU extruded inner sheath layer, a nylon wire anti-torsion wrapping layer and a chloroprene rubber outer sheath layer are sequentially coated outside the cable core, the expansion wire core comprises two insulation wire cores which are twisted in pairs to form an expansion wire core body, the insulation wire cores comprise inner conductors and ethylene propylene diene monomer insulation layers, and a nylon resin wrapping layer and a butyronitrile polyvinyl chloride sheath layer are sequentially coated outside the expansion wire core body.
Preferably, the stainless steel wire reinforced core is formed by twisting aramid fiber bundles and stainless steel wires, and the diameter of the aramid fiber bundles is not more than 75% of the diameter of the stainless steel wires.
Preferably, the inner conductor is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.01mm to 0.04 mm.
Preferably, the main power supply wire core and the auxiliary power supply wire core both comprise a power supply conductor and an XLPE insulating layer, insulating lubricating silicone grease is filled between the power supply conductor and the XLPE insulating layer, and the power supply conductor is formed by jointly twisting a plurality of tinned copper wires with diameters of 0.04mm to 0.08mm around a para-type wholly aromatic copolyamide tensile fiber core material.
Preferably, the ground wire core comprises a ground conductor and a polyvinyl chloride insulating layer, and the ground conductor is twisted and compacted by a plurality of soft copper wires with the wire diameter of 0.02mm to 0.05mm to form a round conductor structure.
Preferably, the control wire core comprises two insulated twisted-pair wire cores twisted in pairs to form a control wire core body, each insulated twisted-pair wire core comprises a control conductor and a silane grafted cross-linked low-density polyethylene insulating layer, the outside of the control wire core body is sequentially coated with an iron powder polyethylene resin composite winding layer, a conductive fiber winding shielding layer and a silane grafted cross-linked high-density polyethylene sheath layer, and the control conductor is formed by jointly twisting a plurality of tin-plated copper monofilaments with the diameters of 0.01mm to 0.04mm and a para-type wholly aromatic copolyamide drawn fiber.
Preferably, the conductive fiber winding shielding layer is a conductive fiber bundle spiral winding structure, the weaving density is 95% to 98%, and the conductive fiber bundle is formed by stranding a plurality of polyacrylonitrile-based carbon fibers and coating a copper conductive coating.
Preferably, the iron powder polyethylene resin composite winding layer is of an iron powder polyethylene resin composite belt one-way spiral lapping and covering wrapping structure.
Preferably, the nylon wire anti-twisting wrapping layer is of a structure that inner and outer double-layer nylon wires are spirally wound and woven in opposite directions, the wire diameter of the inner layer nylon wire is 0.12mm to 0.26mm, and the wire diameter of the outer layer nylon wire is 0.18mm to 0.35 mm.
Preferably, the thermoplastic EVA adhesive layers are arranged on the outer surface of the TPU extruded inner sheath layer and the inner surface of the chloroprene rubber outer sheath layer.
The beneficial effect of this application:
1. through the regular pentagon silicon rubber elastomer filling core that increases special construction, lateral pressure when can help the cable core to bear the bending, improve pliability and bending resistance, it forms for aramid fiber tow and stainless steel wire transposition to add stainless steel wire reinforcement core, high tensile strength has, make the cable possess excellent stretch-proofing performance, improve resistant pulling performance, the cable keeps better circular cross section in the bending process, reduce the local stress concentration of each sinle silk, prevent that the conductor from warping the broken string and taking place, guarantee the stable electrical characteristics of cable, and the durability is better.
2. The nylon wire anti-torsion wrapping layer is arranged between the TPU extruded inner sheath layer and the chloroprene rubber outer sheath layer, and the special weaving structure of the nylon wire anti-torsion wrapping layer is beneficial to improving the tensile strength and the anti-torsion performance of the cable, reducing the torque force, avoiding the occurrence of wire breakage and core breaking of each wire core, improving the safety and reliability and prolonging the service life. The chloroprene rubber outer sheath layer with high toughness, high strength and high wear resistance is adopted outside the cable, so that high mechanical stress can be resisted, the wear resistance is good, and the sheath cracking phenomenon is avoided.
3. The conductive fiber winding shielding layer is applied by replacing the metal shielding layer, so that the light and lightweight production is facilitated, the core breaking and wire breaking of the metal shielding layer are thoroughly eradicated, the conductive fiber bundle of the conductive fiber winding shielding layer is formed by twisting polyacrylonitrile-based carbon fibers and coating copper conductive coatings, the shielding performance is ensured to be stable, the weight of the cable is effectively reduced, the cost is reduced, and the light and lightweight production is realized. Meanwhile, the iron powder and polyethylene resin composite winding layer is additionally arranged to enhance the capability of shielding signal interference, and the iron powder filler and polyethylene resin composite material is adopted, so that the polyethylene resin base layer can help to reduce stress concentration of the conductive fiber winding shielding layer, reduce torque force, enhance the capability of inhibiting external noise interference, reduce signal attenuation and have better signal transmission characteristic.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
Description of reference numerals:
1-a main power supply wire core, 2-an auxiliary power supply wire core, 3-a grounding wire core, 31-a grounding conductor, 32-a polyvinyl chloride insulating layer, 4-a control wire core, 41-an insulating twisted pair wire core, 411-a control conductor, 412-a silane grafted crosslinked low-density polyethylene insulating layer, 42-an iron powder polyethylene resin composite winding layer, 43-a conductive fiber winding shielding layer, 44-a silane grafted crosslinked high-density polyethylene sheathing layer, 5-an extension wire core, 51-an insulating wire core, 511-an inner conductor, 512-an ethylene propylene diene monomer insulating layer, 52-a nylon resin winding layer, 53-a butyronitrile polyvinyl chloride sheathing layer, a 6-silicon rubber elastomer filling core, 7-a stainless steel wire reinforcing core, 8-a TPU extruded inner sheath layer and 9-a nylon wire anti-torsion winding layer, 10-chloroprene rubber outer sheath layer, 11-power conductor, 12-XLPE insulating layer, 13-para-type wholly aromatic copolyamide drawn fiber core material and 14-insulating lubricating silicone grease.
Detailed Description
The terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application, as the embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the drag-resistant electric vehicle charging cable according to the embodiment of the application includes a main power core 1, an auxiliary power core 2, a ground wire core 3, a control wire core 4, and an expansion wire core 5, which are jointly stranded around a regular pentagonal silicone rubber elastomer filler core 6 to form a cable core. The stainless steel wire reinforced core 7 is formed by twisting aramid fiber bundles and stainless steel wires, and the diameter of the aramid fiber bundles is not more than 75% of the diameter of the stainless steel wires. The main power supply wire core 1 and the auxiliary power supply wire core 2 both comprise a power supply conductor 11 and an XLPE insulating layer 12, insulating lubricating silicone grease 14 is filled between the power supply conductor 11 and the XLPE insulating layer 12, and the power supply conductor 11 is formed by twisting a plurality of tinned copper wires with the diameters of 0.04mm to 0.08mm around a para-type wholly aromatic copolyamide tensile fiber core material 13. The grounding wire core 3 comprises a grounding conductor 31 and a polyvinyl chloride insulating layer 32, wherein the grounding conductor 31 is formed by twisting and pressing a plurality of soft copper wires with the wire diameter of 0.02mm to 0.05mm to form a round conductor structure. The control wire core 4 comprises two insulated twisted-pair wire cores 41 twisted in pairs to form a control wire core body, each insulated twisted-pair wire core 41 comprises a control conductor 411 and a silane grafted cross-linked low-density polyethylene insulating layer 412, the outside of the control wire core body is sequentially coated with an iron powder polyethylene resin composite winding layer 42, a conductive fiber winding shielding layer 43 and a silane grafted cross-linked high-density polyethylene sheath layer 44, and the control conductor 411 is formed by jointly twisting a plurality of tin-plated copper monofilaments with the diameters of 0.01mm to 0.04mm and a para-type wholly aromatic copolyamide drawn fiber. In one embodiment, the conductive fiber wound shield layer 43 is a conductive fiber bundle spirally wound structure with a weaving density of 95% to 98%, and the conductive fiber bundle is formed by stranding a plurality of polyacrylonitrile-based carbon fibers and coating a copper conductive coating layer. In one embodiment, the iron powder polyethylene resin composite winding layer 42 is an iron powder polyethylene resin composite tape one-way spiral lapping and wrapping structure. The expansion wire core 5 comprises two insulation wire cores 51 twisted in pairs to form an expansion wire core body, the insulation wire cores 51 comprise an inner conductor 511 and an ethylene propylene diene monomer insulation layer 512, the outside of the expansion wire core body is sequentially coated with a nylon resin wrapping layer 52 and a butyronitrile polyvinyl chloride sheath layer 53, and further, the inner conductor 511 is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.01mm to 0.04 mm.
The cable core outside cladding has TPU crowded package inner sheath layer 8, the antitorque package of nylon wire 9 and chloroprene rubber oversheath layer 10 around the package in proper order, and is further, the crowded package inner sheath layer 8 surface of TPU with chloroprene rubber oversheath layer 10 internal surface all is provided with thermoplasticity EVA adhesive linkage. In one embodiment, the nylon wire anti-twist lapping layer 9 has an inner and outer double-layer nylon wire reverse spiral winding braided structure, the wire diameter of the inner layer nylon wire is 0.12mm to 0.26mm, and the wire diameter of the outer layer nylon wire is 0.18mm to 0.35 mm.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application.
Claims (10)
1. Resistant cable for electric automobile that pulls charges, characterized by: comprises a main power supply wire core (1), an auxiliary power supply wire core (2), a grounding wire core (3), a control wire core (4) and an expansion wire core (5) which are jointly twisted around a regular pentagonal silicone rubber elastomer filling core (6) to form a cable core, the silicone rubber elastomer filling core (6) is provided with a longitudinal hole, a stainless steel wire reinforcing core (7) is sleeved in the longitudinal hole, the cable core is sequentially coated with a TPU extruded inner sheath layer (8), a nylon wire anti-torsion wrapping layer (9) and a chloroprene rubber outer sheath layer (10) outside, the expansion wire core (5) comprises two insulated wire cores (51) which are twisted in pairs to form an expansion wire core body, the insulated wire core (51) comprises an inner conductor (511) and an ethylene propylene diene monomer insulating layer (512), the outside of the extension wire core body is sequentially coated with a nylon resin wrapping layer (52) and a butyronitrile polyvinyl chloride sheath layer (53).
2. The drag-resistant electric vehicle charging cable of claim 1, wherein: the stainless steel wire reinforced core (7) is formed by twisting aramid fiber bundles and stainless steel wires, and the diameter of the aramid fiber bundles is not more than 75% of that of the stainless steel wires.
3. The drag-resistant electric vehicle charging cable of claim 1, wherein: the inner conductor (511) is formed by concentrically twisting a plurality of tinned copper monofilaments with the diameter of 0.01mm to 0.04 mm.
4. The drag-resistant electric vehicle charging cable of claim 1, wherein: the power supply cable core (1) and the auxiliary power supply cable core (2) both comprise a power supply conductor (11) and an XLPE insulating layer (12), the power supply conductor (11) and an insulating lubricating silicone grease (14) are filled between the XLPE insulating layer (12), and the power supply conductor (11) is formed by twisting a plurality of tinned copper wires with diameters of 0.04mm to 0.08mm around a para-type wholly aromatic copolyamide tensile fiber core material (13) together.
5. The drag-resistant electric vehicle charging cable of claim 1, wherein: the grounding wire core (3) comprises a grounding conductor (31) and a polyvinyl chloride insulating layer (32), wherein the grounding conductor (31) is formed by twisting and pressing a plurality of soft copper wires with wire diameters of 0.02mm to 0.05mm to form a round conductor structure.
6. The drag-resistant cable for charging electric vehicles as claimed in claim 1, wherein: the control line core (4) comprises two insulation twisted-pair wire cores (41) which are twisted in pairs to form a control line core body, each insulation twisted-pair wire core (41) comprises a control conductor (411) and a silane grafted crosslinked low-density polyethylene insulation layer (412), the control line core body is coated with an iron powder polyethylene resin composite winding layer (42), a conductive fiber winding shielding layer (43) and a silane grafted crosslinked high-density polyethylene sheath layer (44) in sequence, and the control conductor (411) is formed by jointly twisting a plurality of tin-plated copper monofilaments with the diameter of 0.01mm to 0.04mm and a para-type wholly aromatic copolyamide tensile fiber.
7. The drag-resistant electric vehicle charging cable of claim 6, wherein: the conductive fiber winding shielding layer (43) is of a conductive fiber bundle spiral winding structure, the weaving density is 95% -98%, and the conductive fiber bundle is formed by stranding a plurality of polyacrylonitrile-based carbon fibers and coating a copper conductive coating.
8. The drag-resistant electric vehicle charging cable of claim 6, wherein: the iron powder polyethylene resin composite winding layer (42) is of an iron powder polyethylene resin composite belt one-way spiral lapping and covering wrapping structure.
9. The drag-resistant electric vehicle charging cable of claim 1, wherein: the nylon wire anti-twisting wrapping layer (9) is of a structure that inner and outer double-layer nylon wires are spirally wound and woven in opposite directions, the wire diameter of the inner layer nylon wire is 0.12mm to 0.26mm, and the wire diameter of the outer layer nylon wire is 0.18mm to 0.35 mm.
10. The drag-resistant electric vehicle charging cable of claim 1, wherein: and thermoplastic EVA bonding layers are arranged on the outer surface of the TPU extruded inner sheath layer (8) and the inner surface of the chloroprene rubber outer sheath layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220292858.XU CN217239093U (en) | 2022-02-14 | 2022-02-14 | Cable for charging drag-resistant electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220292858.XU CN217239093U (en) | 2022-02-14 | 2022-02-14 | Cable for charging drag-resistant electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN217239093U true CN217239093U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220292858.XU Active CN217239093U (en) | 2022-02-14 | 2022-02-14 | Cable for charging drag-resistant electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118782316A (en) * | 2024-07-30 | 2024-10-15 | 山东阳谷恒昌电缆集团有限公司 | Green double insulation TPU anti-UV flame retardant pre-branching special cable |
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2022
- 2022-02-14 CN CN202220292858.XU patent/CN217239093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118782316A (en) * | 2024-07-30 | 2024-10-15 | 山东阳谷恒昌电缆集团有限公司 | Green double insulation TPU anti-UV flame retardant pre-branching special cable |
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