CN115424771A - Cable with shielding structure - Google Patents
Cable with shielding structure Download PDFInfo
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- CN115424771A CN115424771A CN202210971955.6A CN202210971955A CN115424771A CN 115424771 A CN115424771 A CN 115424771A CN 202210971955 A CN202210971955 A CN 202210971955A CN 115424771 A CN115424771 A CN 115424771A
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- cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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Abstract
The invention discloses a cable with a shielding structure, which comprises at least one lead, wherein each lead comprises a conductor and an insulating layer sleeved on the periphery of the conductor, the shielding structure is sleeved with at least one lead, an outer sheath is arranged on the periphery of the shielding structure, the shielding structure comprises at least one group of shielding combinations, each shielding combination comprises an inner conducting layer, an outer conducting layer and a substrate layer, the inner conducting layer is arranged on the inner surface of the substrate layer, and the outer conducting layer is arranged on the outer surface of the substrate layer. According to the cable with the shielding structure, the influence of external electromagnetic waves on the control line or the signal line inside the cable can be better reduced, the electromagnetic interference generated by the cable is shielded in the using process of the cable, and the influence of the electromagnetic interference on an external control device is avoided.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable with a shielding structure.
Background
In recent years, with the rapid development of the new energy automobile industry, the requirement on the EMC (electromagnetic compatibility) of the shielded cable is continuously increased, and the interconnected cable is an electromagnetic radiation transmitting antenna with high efficiency and an electromagnetic radiation sensitivity receiving antenna with high efficiency. Theory and engineering practice show that most systems can not meet EMC (electromagnetic compatibility) radiation test standards or generate radiation electromagnetic interference on surrounding electromechanical equipment, and the radiation electromagnetic interference can be caused by electromagnetic radiation generated by cables. Therefore, how to effectively shield the electromagnetic shielding of the cable is a problem which needs to be solved urgently. The current shielding mainly adopts a single-layer or multi-layer metal woven net for shielding, but the shielding effect has the following defects: on one hand, the shielding effect has certain limitation, the requirements of high electromagnetic shielding effectiveness such as Tempest are difficult to meet, on the other hand, broadband shielding is difficult to realize, the structure only has good shielding effectiveness in certain frequency bands, meanwhile, comprehensive electromagnetic shielding is difficult to realize, and various types of electromagnetic waves possibly exist in the same environment at the same time.
Disclosure of Invention
An object of the present invention is to provide a new solution for a cable with a shielding structure.
According to a first aspect of the present invention, a cable with a shielding structure is provided, which includes at least one conducting wire, each conducting wire includes a conductor and an insulating layer sleeved on the periphery of the conductor, the shielding structure is sleeved on the conducting wire, an outer sheath is disposed on the periphery of the shielding structure, the shielding structure includes at least one group of shielding assemblies, each shielding assembly includes an inner conducting layer, an outer conducting layer and a substrate layer, the inner conducting layer is disposed on the inner surface of the substrate layer, and the outer conducting layer is disposed on the outer surface of the substrate layer.
Optionally, when the shielding structure has two sets of the shielding assemblies, a metal foil is disposed between the two shielding assemblies, and the two shielding assemblies are coaxially disposed.
Optionally, the thickness of the inner conductive layer is 0.03mm to 1mm, the thickness of the substrate layer is 0.2mm to 1.4mm, and the thickness of the outer conductive layer is 0.1mm to 0.7mm.
Optionally, the thickness of the shielding combination near the wire is less than the thickness of the shielding combination far from the wire.
Optionally, the thickness of the metal foil is 0.06mm to 1mm.
Optionally, the metal foil is arranged in a spiral winding.
Optionally, the inner conductive layer and the outer conductive layer are both made of conductive paint; the conductive coating comprises a synthetic resin, a conductive filler, a solvent and an additive; the conductive filler is made of one or more of gold, silver, copper, nickel, titanium, tin, aluminum, cadmium, zirconium, chromium, cobalt, manganese, zinc, phosphorus, tellurium, beryllium, tin-lead alloy, silver-antimony alloy, palladium-nickel alloy, graphite silver, graphene silver or silver-gold-zirconium alloy; the additive is a silane coupling agent or a titanate coupling agent.
Optionally, the material of the substrate layer comprises plastic, foamed polystyrene, polytetrafluoroethylene resin, amorphous fluoropolymer, fluorinated ethylene propylene resin, fluoropolymer foamed resin, fluoropolymer resin, perfluoroalkoxy resin or Al/Cu-Zn carbon fiber.
Optionally, the cable further has an inner sheath, the inner sheath is sleeved on the inner periphery of the outer sheath, and the shielding structure is arranged between the inner sheath and the outer sheath.
Optionally, each of the wires is sleeved with one of the shielding structures at the outer circumference, and/or one group of the shielding structures is sleeved at the inner circumference of the inner sheath.
According to the cable with shielding structure of this disclosure, have following technological effect:
the electromagnetic wave is mainly attenuated by reflection in a low frequency band, so that the metal foil and the conductive coating can effectively enable the electromagnetic wave to generate electromagnetic radiation with reflection and low frequency band in a shielding structure;
and the high-frequency electromagnetic radiation mainly takes an absorption mode as a main attenuation mode, so that the electromagnetic radiation in a high-frequency channel can absorb the high-frequency electromagnetic wave by controlling the components of the conductive coating, so that the high-frequency electromagnetic radiation is shielded, a reasonable shielding combination can be designed according to the frequency band of a use characteristic scene, and the influence of electromagnetic radiation interference is reduced.
According to the cable with the shielding structure, the influence of external electromagnetic waves on the control line or the signal line in the cable can be better reduced, the electromagnetic interference generated by the cable in the use process of the cable is shielded, and the influence of the electromagnetic interference on an external control device is avoided.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a cable having a shielding structure according to a preferred embodiment of the present invention;
FIGS. 2 and 3 are schematic structural views of a shielding structure according to the present invention;
fig. 4 is a schematic structural view of a cable having a shielding structure according to a second embodiment of the present invention;
fig. 5 is a schematic structural view of a cable having a shielding structure according to a third embodiment of the present invention;
fig. 6 is a schematic structural view of a cable having a shielding structure according to a fourth embodiment of the present invention;
fig. 7 is a schematic structural view of a cable having a shielding structure according to a fifth embodiment of the present invention;
the figures are labeled as follows:
1-a wire; 2-a shielding structure; 21-inner conductive layer; 22-a matrix layer; 23-an outer conductive layer; 24-a metal foil; 3-an outer sheath; 4-inner sheath; 5-a control line; 6-filling line.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.
According to the cable with shielding structure of the present disclosure, as shown in fig. 4 to 7, the cable includes at least one wire 1, each wire 1 includes a conductor and an insulating layer that the conductor is sleeved with (the wire is shown as a whole in the figure, the conductor and the insulating layer are not shown respectively), the wire 1 is sleeved with the shielding structure 2, the outer periphery of the shielding structure 2 is provided with an outer sheath 3, the shielding structure 2 includes at least one set of shielding combination, the shielding combination includes an inner conductive layer 21, an outer conductive layer 23 and a substrate layer 22, the inner conductive layer 21 is disposed on the inner surface of the substrate layer 22, and the outer conductive layer 23 is disposed on the outer surface of the substrate layer 22.
In specific implementation, as shown in fig. 1 and fig. 6, by combining the conductive coating (i.e., the electromagnetic shielding coating) with the plastic to form the shielding combination, since the electromagnetic wave is attenuated by reflection in the low frequency band as the main attenuation mode, the conductive coating can effectively enable the electromagnetic wave to generate electromagnetic radiation with reflection and reduced low frequency band in the shielding structure 2.
In addition, in the drawings of the present invention, the lead 1 includes a conductor and an insulating layer provided around the conductor, and the conductor and the insulating layer are not shown separately in the drawings.
In an embodiment of a cable having a shielding structure according to the present disclosure, as shown in fig. 5 and 7, when the shielding structure 2 has two sets of the shielding assemblies, a metal foil 24 is disposed between the two sets of the shielding assemblies, and the two sets of the shielding assemblies are coaxially disposed.
By compounding the electromagnetic shielding coating and the plastic to form a shielding combination and arranging the metal foil 24 between the two groups of shielding combinations, the metal foil 24 and the conductive coating can effectively enable the electromagnetic waves to generate electromagnetic radiation which is reflected and reduces the low frequency band in the shielding structure 2 because the electromagnetic waves take reflection attenuation as a main attenuation mode in the low frequency band; and the high-frequency band electromagnetic radiation mainly takes an absorption mode as a main attenuation mode, so the high-frequency band electromagnetic radiation can be absorbed by the conductive coating through controlling the components of the conductive coating, the high-frequency band electromagnetic radiation is shielded, a reasonable shielding combination can be designed according to the frequency band of a use characteristic scene, and the influence of electromagnetic radiation interference is reduced.
The cable with the shielding structure can better reduce the influence of external electromagnetic waves on the control wire 5 or the signal wire in the cable, shield the electromagnetic interference generated by the cable in the using process and avoid influencing an external control device.
As shown in fig. 7, the inside of a cable with a shielding structure can comprise a multi-wire conductor, a control wire 5 and a filling rope 6, so that the space in the cable is fully utilized, and the function of the cable is increased. In addition, a liquid cooling pipe can be additionally arranged in the cable to increase the current carrying capacity of the conducting wire.
The electromagnetic wave is a form of substance, the electromagnetic transmission process does not need to be transmitted by other substances, and the electromagnetic wave is the substance bearer and the energy of the electromagnetic wave
Momentum density
The capacitance can be expressed as the natural oxide film on the surface of the metal foil (aluminum foil)
Wherein d is the electrode distance (thickness of the oxide film), and the thickness of the oxide film is reduced (d is reduced) under the condition that the dielectric constant is not changed. When the electromagnetic wave meets the conductive material, part of the electromagnetic wave is reflected due to the difference of wave impedance in the conductive material and the air medium, and the momentum density is changed.
Further, the thickness of the inner conductive layer 21 is 0.03mm to 1mm, the thickness of the substrate layer 22 is 0.2mm to 1.4mm, and the thickness of the outer conductive layer 23 is 0.1mm to 0.7mm.
In specific implementation, when the inner conductive layer 21 and the outer conductive layer 23 are made of conductive paint, and the substrate layer 22 is made of plastic, the tested ranges of the thickness of the inner conductive layer 21, the thickness of the substrate layer 22, and the thickness of the outer conductive layer 23, and the number of times that the cable is bent exceeds 5000 times are qualified values.
When the thickness of the inner conductive layer 21 is less than 0.03mm, within 5000 times of cable bending times, an open circuit will occur in the inner conductive layer 21, so that induced current generated by electromagnetic radiation cannot be led out in time, and the inner conductive layer 21 loses shielding effectiveness;
when the thickness of the inner conductive layer 21 is greater than 1mm, the inner conductive layer 21 is separated from the plastic material, which is the substrate layer 22, within 5000 times of cable bending, and thus the thickness of the inner conductive layer 21 selected by the inventor is 0.03mm to 1mm.
When the thickness of the substrate layer 22 is less than 0.2mm, the substrate layer 22 is easy to break when the bending radius of the cable is 5 times of the diameter of the cable; on the other hand, when the thickness of the matrix layer 22 is larger than 1.4mm, the minimum bending radius of the cable cannot be 5 times the diameter of the cable, so the thickness of the matrix layer 22 selected by the inventor is 0.2mm to 1.4mm.
When the thickness of the outer conductive layer 23 is less than 0.1mm, within 5000 times of cable bending times, an open circuit will occur in the outer conductive layer 23, so that induced current generated by electromagnetic radiation cannot be led out in time, and the outer conductive layer 23 loses shielding effectiveness;
when the thickness of the outer conductive layer 23 is more than 0.7mm, the outer conductive layer 23 is separated from the plastic as the substrate layer 22 within 5000 times of cable bending, and therefore, the thickness of the outer conductive layer 21 selected by the inventor is 0.1mm to 0.7mm.
In specific implementation, in the shielding assembly close to the lead 1, the thickness of the inner conductive layer 21 is 0.03mm to 1mm, the thickness of the substrate layer 22 is 0.2mm to 0.7mm, and the thickness of the outer conductive layer 23 is 0.1mm to 0.5mm;
in the shielding combination far away from the lead 1, the thickness of the inner conducting layer 21 is 0.2 mm-0.5 mm, the thickness of the substrate layer 22 is 0.7 mm-1.4 mm, and the thickness of the outer conducting layer 23 is 0.5 mm-0.7 mm.
Further, the thickness of the shielding assembly near the conductor 1 is smaller than the thickness of the shielding assembly far from the conductor 1. When the outer side of the cable is impacted, the thickness of the shielding combination close to the wire 1 is smaller than that of the shielding combination far away from the wire 1, the structures of the shielding combination close to the wire 1 and the shielding combination far away from the wire 1 deform and bend, and the thickness of the shielding combination close to the wire 1 is smaller than that of the shielding combination far away from the wire 1, so that the asymmetric structure is called as an asymmetric structure, the asymmetric structure is high in rigidity and strong in deformation resistance, and the asymmetric structure can reduce tensile and torsional deformation generated by stress of the shielding combination and prolong the service life of materials.
The inventor selects the ratio of the thickness of the shielding combination close to the lead 1 to the thickness of the shielding combination far from the lead 1 to be 1:3-1:7.
Further, the thickness of the metal foil 24 is 0.06mm to 1mm.
In specific implementation, the thickness of the metal foil 24 is set to be 0.06 mm-1 mm, and under the condition that the thickness of the metal foil 24 is less than 0.06mm, when the bending radius of the cable is bent to five times of the diameter of the cable, the metal foil 24 is damaged; on the other hand, when the thickness of the metal foil 24 is larger than 1mm, the bending radius of the cable cannot be reduced to five times the diameter of the cable, so the inventors prefer the thickness of the metal foil 24 to be 0.06mm to 1mm.
Further, the metal foil 24 is disposed in a spiral winding manner.
In specific implementation, the metal foil 24 is spirally wound between the two shielding assemblies, so that low-frequency electromagnetic waves can be reflected, and the electromagnetic radiation of the cable to the outside in the use process is reduced.
In an embodiment of the cable with a shielding structure according to the present disclosure, the inner conductive layer 21 and the outer conductive layer 23 are made of conductive paint; the conductive coating comprises a synthetic resin, a conductive filler, a solvent and an additive; the conductive filler is made of one or more of gold, silver, copper, nickel, titanium, tin, aluminum, cadmium, zirconium, chromium, cobalt, manganese, zinc, phosphorus, tellurium, beryllium, tin-lead alloy, silver-antimony alloy, palladium-nickel alloy, graphite silver, graphene silver or silver-gold-zirconium alloy; the additive is a silane coupling agent or a titanate coupling agent.
In some embodiments, the material of the inner conductive layer 21 and the material of the outer conductive layer 23 are both conductive paint, the conductive paint is paint containing conductive filler, and the material of the conductive filler is one or more of gold, silver, copper, nickel, titanium, tin, aluminum, cadmium, zirconium, chromium, cobalt, manganese, zinc, phosphorus, tellurium, beryllium, tin-lead alloy, silver-antimony alloy, palladium-nickel alloy, graphite silver, graphene silver, or silver-gold-zirconium alloy; the conductive coating is a functional coating which is formed by doping conductive filler in a chemical solvent and can be sprayed on a non-metallic material to shield electromagnetic waves. The coating containing the conductive filler has the advantages of low cost, simplicity, practicability, wide application range, most use of the silver conductive coating, and the earliest development of the silver conductive coating. The mixed conductor refers to a type of conductor in which ionic conduction and electronic conduction exist simultaneously. Also called mixed ion-electron conductor, is a solid material between the ion conductor and the electron conductor, and has both ion conductivity and electron conductivity. The ionic and electronic conductivities of practical mixed conductors are quite high.
In an embodiment of the cable with a shielding structure according to the present disclosure, the material of the matrix layer 22 comprises plastic, foamed polystyrene, polytetrafluoroethylene resin, amorphous fluoropolymer, fluorinated ethylene propylene resin, fluoropolymer foamed resin, fluoropolymer resin, perfluoroalkoxy resin or Al/Cu-Zn carbon fiber. Compared with a shielding combination formed by weaving metal wires, the shielding combination has the characteristics of light weight and low cost.
In an embodiment of the cable with the shielding structure according to the present disclosure, as shown in fig. 4, the cable further has an inner sheath 4, the inner sheath 4 is sleeved on the inner circumference of the outer sheath 4, and the shielding structure 2 is disposed between the inner sheath 4 and the outer sheath 3.
In specific implementation, the inner sheath 4 is arranged between the outer sheath 3 and the lead 1, so that the strength of the cable can be enhanced, and the service life of the cable can be prolonged; meanwhile, the shielding structure 2 is arranged between the inner sheath 3 and the outer sheath 4, so that the stability of the shielding structure 2 can be improved, the interference of external electromagnetic radiation on a control system arranged in the cable is reduced, and the interference of the electromagnetic radiation generated by the cable in the using process on the control system except the cable is reduced to the maximum extent.
Further, as shown in fig. 4, a shielding structure 2 is sleeved on an outer circumference of each of the wires 1, and/or a group of shielding structures 2 is sleeved on an inner circumference of the inner sheath 4.
During specific implementation, by arranging the plurality of groups of shielding structures 2, the interference of external electromagnetic radiation on a control system arranged inside the cable can be reduced to the maximum extent, and the interference of the electromagnetic radiation generated by the cable in the use process on the control system outside the cable can be reduced to the maximum extent. The three sets of shielding combinations in fig. 4 may arbitrarily replace the shielding structure 2 in fig. 2 or fig. 3.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The utility model provides a cable with shielding structure, its characterized in that, includes an at least wire, each the wire include the conductor with the insulating layer that conductor outer peripheral cover was established, the shielding structure cover is established the wire, the shielding structure periphery is provided with the oversheath, shielding structure includes at least a set of shielding combination, the shielding combination includes interior conducting layer, outer conducting layer and matrix layer, interior conducting layer sets up matrix layer internal surface, outer conducting layer sets up the matrix layer surface.
2. The cable with a shielding structure according to claim 1, wherein when the shielding structure has two sets of the shielding assemblies, a metal foil is disposed between the two shielding assemblies and the two shielding assemblies are coaxially disposed.
3. The cable with a shielding structure according to claim 2, wherein the thickness of the inner conductive layer is 0.03mm to 1mm, the thickness of the base layer is 0.2mm to 1.4mm, and the thickness of the outer conductive layer is 0.1mm to 0.7mm.
4. The cable with shielding structure according to claim 2, wherein the thickness of the shielding assembly near the conductor is smaller than the thickness of the shielding assembly far from the conductor.
5. The cable having a shielding structure according to claim 2, wherein the metal foil has a thickness of 0.06mm to 1mm.
6. The cable with a shielding structure according to claim 2, wherein the metal foil is disposed in a spirally wound manner.
7. The cable with the shielding structure according to claim 1, wherein the inner conductive layer and the outer conductive layer are both made of conductive paint; the conductive coating comprises a synthetic resin, a conductive filler, a solvent and an additive; the conductive filler is made of one or more of gold, silver, copper, nickel, titanium, tin, aluminum, cadmium, zirconium, chromium, cobalt, manganese, zinc, phosphorus, tellurium, beryllium, tin-lead alloy, silver-antimony alloy, palladium-nickel alloy, graphite silver, graphene silver or silver-gold-zirconium alloy; the additive is a silane coupling agent or a titanate coupling agent.
8. The cable having a shielding structure according to claim 1, wherein the material of the matrix layer comprises plastic, foamed polystyrene, polytetrafluoroethylene resin, amorphous fluoropolymer, fluorinated ethylene propylene resin, fluoropolymer foamed resin, fluoropolymer resin, perfluoroalkoxy resin or Al/Cu-Zn carbon fiber.
9. The cable with shielding structure according to claim 1, further comprising an inner sheath disposed around an inner circumference of the outer sheath, wherein the shielding structure is disposed between the inner sheath and the outer sheath.
10. The cable with shielding structure according to claim 9, wherein each of the wires is provided with one shielding structure at an outer circumference thereof and/or a group of the shielding structures at an inner circumference thereof.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971955.6A CN115424771A (en) | 2022-08-12 | 2022-08-12 | Cable with shielding structure |
| PCT/CN2023/112494 WO2024032757A1 (en) | 2022-08-12 | 2023-08-11 | Cable having shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971955.6A CN115424771A (en) | 2022-08-12 | 2022-08-12 | Cable with shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115424771A true CN115424771A (en) | 2022-12-02 |
Family
ID=84199216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210971955.6A Pending CN115424771A (en) | 2022-08-12 | 2022-08-12 | Cable with shielding structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115424771A (en) |
| WO (1) | WO2024032757A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032757A1 (en) * | 2022-08-12 | 2024-02-15 | 长春捷翼汽车科技股份有限公司 | Cable having shielding structure |
| WO2024078563A1 (en) * | 2022-10-14 | 2024-04-18 | 长春捷翼汽车科技股份有限公司 | Novel cable having shielding structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018152249A (en) * | 2017-03-13 | 2018-09-27 | 株式会社フジクラ | Cable with shield layer |
| CN108281227A (en) * | 2018-03-13 | 2018-07-13 | 鞍山至镁科技有限公司 | The preparation method of magnesium alloy foil in a kind of shielded cable and its shielded layer |
| CN211529652U (en) * | 2019-12-30 | 2020-09-18 | 安徽航跃通信设备有限公司 | Seabed is with mixed cable of photoelectricity |
| CN216623815U (en) * | 2021-12-14 | 2022-05-27 | 安徽省众和电仪科技有限公司 | Intrinsic safety type signal control cable with reinforced shielding layer |
| CN115424771A (en) * | 2022-08-12 | 2022-12-02 | 长春捷翼汽车零部件有限公司 | Cable with shielding structure |
-
2022
- 2022-08-12 CN CN202210971955.6A patent/CN115424771A/en active Pending
-
2023
- 2023-08-11 WO PCT/CN2023/112494 patent/WO2024032757A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032757A1 (en) * | 2022-08-12 | 2024-02-15 | 长春捷翼汽车科技股份有限公司 | Cable having shielding structure |
| WO2024078563A1 (en) * | 2022-10-14 | 2024-04-18 | 长春捷翼汽车科技股份有限公司 | Novel cable having shielding structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024032757A1 (en) | 2024-02-15 |
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