CN114203347B - Cable for new energy automobile door and preparation method thereof - Google Patents
Cable for new energy automobile door and preparation method thereof Download PDFInfo
- Publication number
- CN114203347B CN114203347B CN202111466009.8A CN202111466009A CN114203347B CN 114203347 B CN114203347 B CN 114203347B CN 202111466009 A CN202111466009 A CN 202111466009A CN 114203347 B CN114203347 B CN 114203347B
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- conductor
- copper foil
- layer
- cable
- core
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000004020 conductor Substances 0.000 claims abstract description 44
- 239000011889 copper foil Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 11
- 241001089723 Metaphycus omega Species 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
- H01B13/245—Sheathing; Armouring; Screening; Applying other protective layers by extrusion of metal layers
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
- H01B7/188—Inter-layer adherence promoting means
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention provides a cable for a new energy automobile door and a preparation method thereof, comprising the following steps: a cabling core, comprising: the three insulated wire cores and a ground wire are stranded in a left-direction cabling mode, and the cabling pitch is 40mm-60mm; each insulated wire core comprises: a conductor and an insulating layer wrapping the conductor; the cable core is wrapped with a shielding layer, a copper foil material is adopted, the surface of the copper layer of the copper foil is plated with tin, and the surface of the film is added with an adhesive; the shielding layer is wrapped with a sheath layer, and is made of wear-resistant soft PVC material. The surface of the copper layer of the copper foil is provided with the tinned layer, so that the copper foil can be better prevented from being oxidized, the adhesive is added on the surface of the film layer of the copper foil, the copper foil and the sheath can be tightly adhered, and the thickness of the copper foil is reduced as much as possible on the premise of ensuring the improvement of shielding performance. The invention can save space when the cable with the large-section conductor is used, has strong high-low temperature fatigue resistance and improves the shielding performance of the product.
Description
[ field of technology ]
The invention belongs to the technical field of new energy automobile cables, and particularly relates to a cable for a new energy automobile door and a preparation method thereof.
[ background Art ]
At present, the common cable for automobile door wire harnesses has a generally smaller conductor section (0.5 mm) 2 The lower part) the smaller conductor section can cause the current-carrying capacity to not meet the use requirement, the outer diameter of the finished product is bigger, and the space is wasted; meanwhile, the common cable is made of aluminum foil as a shielding layer material, so that the shielding effect is poor, and the cable with a large-section conductor is poor in softness and weak in fatigue resistance.
In view of the above, the present inventors have made intensive studies on the defects of the prior art.
[ invention ]
The invention aims to provide a cable for a new energy automobile door, which has small outer diameter, good shielding performance and high softness.
The second technical problem to be solved by the invention is to provide a preparation method of the cable for the door of the new energy automobile, which has small outer diameter, good shielding performance and high softness.
The invention is realized in the following way:
a new energy automobile door cable comprising:
a cabling core, comprising: the three insulated wire cores and a ground wire are stranded in a left-direction cabling mode, and the cabling pitch is 40mm-60mm; each of the insulated wire cores includes: a conductor and an insulating layer wrapped outside the conductor; the cable core is wrapped with
The shielding layer is made of copper foil materials, the surface of the copper layer of the copper foil is plated with tin, and an adhesive is added on the surface of the film; the shielding layer is wrapped outside
The sheath layer is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃.
Further, the section of each insulated wire core is 1.25mm 2 Wherein the conductor structure is 19/0.30, the maximum outer diameter of the conductor is 1.40mm, and the maximum resistance of the conductor is 14.9 m.OMEGA/m.
Further, the insulating layer of each insulating wire core is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃, the thinnest thickness of the insulating layer is 0.16mm, and the outer diameter of the insulating layer is controlled to be 1.76-1.92 mm.
Further, the ground wire is 0.5mm in cross section 2 The structure of the tinned conductor is 19/0.19, the maximum outer diameter of the tinned conductor is 0.90mm, and the maximum resistance is 38.2 m.OMEGA/m.
Further, the copper foil has a thickness of 0.025mm and a width of 18mm.
The preparation method of the cable for the new energy automobile door comprises the following steps:
step one: manufacturing the insulated wire core:
three insulated wire cores and a ground wire are manufactured, and each insulated wire core comprises: a conductor and an insulating layer wrapped outside the conductor; the conductor structure is 19/0.30, the maximum outer diameter of the conductor is 1.40mm, and the maximum resistance of the conductor is 14.9 m.OMEGA/m; the insulation layer is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃, the thinnest thickness of the insulation layer is 0.16mm, and the outer diameter of the insulation layer is controlled to be 1.76-1.92 mm;
the section of each insulated wire core is 1.25mm 2 ；
Step two: and (3) a cable core manufacturing procedure:
twisting the three insulated wire cores and one ground wire which are manufactured in the first step into a cable in the left direction, wherein the cable pitch is 40mm-60mm;
step three: and (3) a shielding layer extrusion procedure:
the shielding layer is made of copper foil materials, the surface of the copper layer of the copper foil is plated with tin, the surface of the film is added with an adhesive, the copper foil is longitudinally covered by the cable-forming core, the lap rate is 20% -40%, then an extrusion mold core with the size of 4.3+/-0.1 mm and the angle of 30.5 degrees and an extrusion mold sleeve with the size of 6.0+/-0.2 mm and the angle of 48.5 degrees are used, and the extrusion pressure of a part of extrusion pressure can be effectively reduced while a certain extrusion pressure is ensured by the mold;
step four: sheath layer extrusion process:
the wear-resistant soft PVC material with low temperature resistance of minus 40 ℃ and high temperature resistance of 105 ℃ is adopted for extrusion.
Further, the ground wire in the first step is 0.5mm in cross section 2 The structure of the tinned conductor is 19/0.19, the maximum outer diameter of the tinned conductor is 0.90mm, and the maximum resistance is 38.2 m.OMEGA/m.
The invention has the advantages that: the copper layer surface of the copper foil is provided with the tin plating layer, so that the copper foil can be better prevented from being oxidized, an extrusion die core with the size of 4.3+/-0.1 mm and the angle of 30.5 degrees and an extrusion die sleeve with the size of 6.0+/-0.2 mm and the angle of 48.5 degrees are used, the copper foil can be ensured to be compacter and more round after passing through the die core, the partial extrusion pressure can be reduced on the premise of ensuring certain extrusion pressure, the adhesive is added on the film layer surface of the copper foil, the copper foil and a sheath can be tightly adhered, and the thickness of the copper foil is reduced as much as possible on the premise of ensuring the improvement of shielding performance. The invention can save space when the cable with the large-section conductor is used, has strong high-low temperature fatigue resistance and improves the shielding performance of the product.
[ description of the drawings ]
The invention will be further described with reference to the accompanying drawings, in conjunction with examples.
Fig. 1 is a schematic structural view of the present invention.
[ detailed description ] of the invention
Referring to fig. 1, a cable for a door of a new energy automobile includes:
a cabling core, comprising: the three insulated wire cores 1 and the ground wire 2 are stranded in a left-direction cabling mode, and the cabling pitch is 40mm-60mm; each of the insulated wire cores 1 includes: a conductor 11 and an insulating layer 12 wrapping the conductor 11; the cable core is wrapped with
The shielding layer 3 is made of copper foil material, wherein the surface of the copper layer of the copper foil is plated with tin, and an adhesive (EVA adhesive) is added on the surface of the film; the shielding layer 3 is wrapped with
The sheath layer 4 is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃.
Wherein the section of each insulated wire core 1 is 1.25mm 2 The structure of the conductor 11 is 19/0.30, the maximum outer diameter of the conductor 11 is 1.40mm, and the maximum resistance of the conductor 11 is 14.9 m.OMEGA/m. The insulating layer 12 of each insulating wire core 1 is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃, the thinnest thickness of the insulating layer 12 is 0.16mm, and the outer diameter of the insulating layer 12 is controlled to be 1.76-1.92 mm.
The ground wire 2 has a cross section of 0.5mm 2 The structure of the tinned conductor is 19/0.19, the maximum outer diameter of the tinned conductor is 0.90mm, and the maximum resistance is 38.2 m.OMEGA/m.
The thickness of the copper foil of the shielding layer 3 was 0.025mm and the width was 18mm.
The invention also discloses a preparation method of the cable for the new energy automobile door, which comprises the following steps:
step one: manufacturing the insulated wire core:
three insulated wire cores 1 and a ground wire 2 are manufactured, and each insulated wire core 1 comprises: a conductor 11 and an insulating layer 12 wrapping the conductor 11; the conductor 11 structure19/0.30, wherein the maximum outer diameter of the conductor 11 is 1.40mm, and the maximum resistance of the conductor 11 is 14.9 m.OMEGA/m; the insulating layer 12 is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃, the thinnest thickness of the insulating layer 12 is 0.16mm, and the outer diameter of the insulating layer 12 is controlled to be 1.76-1.92 mm; the ground wire 2 has a cross section of 0.5mm 2 The structure of the tinned conductor is 19/0.19, the maximum outer diameter of the tinned conductor is 0.90mm, and the maximum resistance is 38.2 m.OMEGA/m.
The section of each insulated wire core is 1.25mm 2 ；
Step two: and (3) a cable core manufacturing procedure:
twisting the three insulated wire cores 1 and the ground wire 2 which are manufactured in the first step into a cable in the left direction, wherein the cable pitch is 40mm-60mm;
step three: extrusion process of shielding layer 3:
the shielding layer 3 is made of copper foil materials, the surface of a copper layer of the copper foil is plated with tin, an adhesive (EVA adhesive) is added on the surface of a film, the copper foil is longitudinally covered by the cabling core 1, the covering rate is 20% -40%, then an extrusion mold core with the size of 4.3+/-0.1 mm and the angle of 30.5 degrees and an extrusion mold sleeve with the size of 6.0+/-0.2 mm and the angle of 48.5 degrees are used, and the extrusion pressure of a part of extrusion pressure can be effectively reduced while a certain extrusion pressure is ensured by the mold;
step four: extrusion process of sheath layer 4:
the sheath layer 4 is extruded by wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃.
The invention uses the extrusion mold core and the mold sleeve with special design, can reduce partial extrusion pressure on the premise of ensuring certain extrusion pressure, increases the adhesive on the surface of the film layer of the copper foil, ensures that the copper foil and the sheath can be tightly adhered, and reduces the thickness of the copper foil as much as possible on the premise of ensuring the improvement of shielding performance. The shielding performance of the aluminum foil is generally more than 20dB, and after the copper foil is selected, the shielding performance can meet the requirement of more than 40dB due to the excellent electrical performance of the copper material, and the shielding performance of the product can be improved while the outer diameter is reduced. Copper has excellent ductility, and meanwhile, the adhesive is added on the surface of the film, so that the copper foil is tightly adhered to the sheath, and the copper foil is not affected in the bending process. By the method, the product can meet the bending requirements at high and low temperatures simultaneously (> 7500 times at-40 ℃ and > 11250 times at-30 ℃ and > 7500 times at 25 ℃ and > 18750 times at 65 ℃), and the table 1 is shown.
Table 1:
the invention uses the extrusion die core with the size of 4.3 plus or minus 0.1mm and the angle of 30.5 degrees and the extrusion die sleeve with the size of 6.0 plus or minus 0.2mm and the angle of 48.5 degrees, ensures that the copper foil can be more compact and round after passing through the die core, can reduce partial extrusion pressure on the premise of ensuring certain extrusion pressure, adds adhesive on the surface of a film layer of the copper foil, ensures that the copper foil and a sheath can be tightly adhered, and reduces the thickness of the copper foil as much as possible on the premise of ensuring the improvement of shielding performance. The invention can save space when the cable with the large-section conductor is used, has strong high-low temperature fatigue resistance and improves the shielding performance of the product.
The foregoing is merely illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The preparation method of the cable for the new energy automobile door is characterized by comprising the following steps of: the method comprises the following steps:
step one: manufacturing the insulated wire core:
three insulated wire cores and a ground wire are manufactured, and each insulated wire core comprises: a conductor and an insulating layer wrapped outside the conductor; the conductor structure is 19/0.30, the maximum outer diameter of the conductor is 1.40mm, and the maximum resistance of the conductor is 14.9 m.OMEGA/m; the insulation layer is made of wear-resistant soft PVC material with low temperature resistance of-40 ℃ and high temperature resistance of 105 ℃, the thinnest thickness of the insulation layer is 0.16mm, and the outer diameter of the insulation layer is controlled to be 1.76-1.92 mm;
the section of each insulated wire core is 1.25 mm;
step two: and (3) a cable core manufacturing procedure:
twisting the three insulated wire cores and one ground wire which are manufactured in the first step into a cable in the left direction, wherein the cable pitch is 40mm-60mm;
step three: and (3) a shielding layer extrusion procedure:
the shielding layer is made of copper foil materials, the surface of the copper layer of the copper foil is plated with tin, the surface of the film is added with an adhesive, the copper foil is longitudinally covered by the cable-forming core, the lap rate is 20% -40%, then an extrusion mold core with the size of 4.3+/-0.1 mm and the angle of 30.5 degrees and an extrusion mold sleeve with the size of 6.0+/-0.2 mm and the angle of 48.5 degrees are used, and the extrusion pressure of a part of extrusion pressure can be effectively reduced while a certain extrusion pressure is ensured by the mold;
step four: sheath layer extrusion process:
the wear-resistant soft PVC material with low temperature resistance of minus 40 ℃ and high temperature resistance of 105 ℃ is adopted for extrusion.
2. The method for preparing the cable for the new energy automobile door as claimed in claim 1, wherein the method comprises the following steps: the ground wire in the first step is a tinned conductor with the cross section of 0.5mm, the tinned conductor structure is 19/0.19, the maximum outer diameter of the tinned conductor is 0.90mm, and the maximum resistance is 38.2 m.OMEGA/m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111466009.8A CN114203347B (en) | 2021-12-03 | 2021-12-03 | Cable for new energy automobile door and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111466009.8A CN114203347B (en) | 2021-12-03 | 2021-12-03 | Cable for new energy automobile door and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114203347A CN114203347A (en) | 2022-03-18 |
| CN114203347B true CN114203347B (en) | 2024-01-09 |
Family
ID=80650369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111466009.8A Active CN114203347B (en) | 2021-12-03 | 2021-12-03 | Cable for new energy automobile door and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114203347B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980001598A1 (en) * | 1979-01-24 | 1980-08-07 | Federal Mogul Corp | Radial lip seal and method of making it |
| CN103343292A (en) * | 2013-06-25 | 2013-10-09 | 攀钢集团江油长城特殊钢有限公司 | Production method of large explosive pressing mould |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2416639B1 (en) * | 2009-03-31 | 2018-11-28 | JX Nippon Mining & Metals Corporation | Electromagnetic shielding material and process for producing electromagnetic shielding material |
| CN209747145U (en) * | 2019-05-30 | 2019-12-06 | 天长市祥龙电气有限公司 | Tinned copper foil mylar tape with high shielding performance |
| CN213400601U (en) * | 2020-09-24 | 2021-06-08 | 上海福尔欣线缆有限公司 | Special high-shielding multi-core silicone rubber flexible cable for new energy automobile |
| CN112712915A (en) * | 2020-12-18 | 2021-04-27 | 上海福尔欣线缆有限公司 | Bending-resistant and fatigue-resistant cable for automobile reversing image and manufacturing method |
-
2021
- 2021-12-03 CN CN202111466009.8A patent/CN114203347B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1980001598A1 (en) * | 1979-01-24 | 1980-08-07 | Federal Mogul Corp | Radial lip seal and method of making it |
| CN103343292A (en) * | 2013-06-25 | 2013-10-09 | 攀钢集团江油长城特殊钢有限公司 | Production method of large explosive pressing mould |
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| Publication number | Publication date |
|---|---|
| CN114203347A (en) | 2022-03-18 |
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