CN114864173A - Super-flexible shielding high-voltage wire for electric automobile - Google Patents
Super-flexible shielding high-voltage wire for electric automobile Download PDFInfo
- Publication number
- CN114864173A CN114864173A CN202210594945.5A CN202210594945A CN114864173A CN 114864173 A CN114864173 A CN 114864173A CN 202210594945 A CN202210594945 A CN 202210594945A CN 114864173 A CN114864173 A CN 114864173A
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- China
- Prior art keywords
- weaving
- shielding
- copper wire
- wire
- sheath
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
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- 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
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- 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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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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
Abstract
The invention discloses an ultra-flexible shielding high-voltage wire for an electric automobile, which comprises a cable conductor, a connecting wrapping tape, an insulating sheath, a shielding tape and an outer sheath, wherein the cable conductor is formed by sequentially coating the inside and the outside; the cable conductor is formed by twisting a central copper wire and six external copper wires positioned outside the central copper wire, and an insulating layer is sleeved outside the cable conductor. The invention provides an ultra-flexible shielding high-voltage wire for an electric automobile, which is characterized in that a weaving process for weaving copper wires is determined, so that a better shielding effect and a better soft effect are obtained; through the setting of composite sheath, acquire intensity and follow high, the pliability is better, the light aging resistance is stronger, the better outer sheath of oil resistance, extension outer sheath life is suitable for the production and processing of actual high-voltage line to use.
Description
Technical Field
The invention belongs to the technical field of cable production and processing, and particularly relates to an ultra-flexible shielding high-voltage wire for an electric automobile.
Background
The high-voltage cable in the vehicle is used for connecting a charging port with a battery, the interior of the battery, the battery with an engine and other components, is a carrier of power transmission and is very important. The shielding layer of the existing high-voltage wire is generally in a metal shielding form and generally comprises an aluminum pipe/copper pipe, a parallel sparsely-wound copper wire and a braided copper wire. The outer sheath of the existing high-voltage wire is generally made of polyvinyl chloride (PVC), and has the advantages of high density, low light aging resistance and low oil resistance.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides the ultra-flexible shielding high-voltage wire for the electric automobile, and a better shielding effect and a better soft effect are obtained by determining the weaving process of weaving copper wires; through the setting of composite sheathing, acquire intensity with high, the pliability better, the light aging resistance stronger, the better outer sheath of oil resistance, extension outer sheath life is suitable for the production and processing of actual high-voltage line and uses.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an ultra-flexible shielding high-voltage wire for an electric automobile comprises a cable conductor, a connecting wrapping tape, an insulating sheath, a shielding tape and an outer sheath, wherein the cable conductor is formed by sequentially wrapping the inside and the outside;
the cable conductor is formed by twisting a central copper wire and six external copper wires positioned outside the central copper wire, and an insulating layer is sleeved outside the cable conductor.
Furthermore, the shielding belt comprises a metal braided wire layer and an aluminum-plastic shielding layer coated outside the metal braided wire layer;
the specific weaving process of the shielding belt is as follows:
step a: selecting a tinned textile soft copper wire and an aluminum foil belt;
step b: weaving the tinned textile soft copper wire by using a weaving machine, wherein the total spindle number of the weaving machine is 24 spindles, the outer diameter of the cable before weaving is 12mm, the diameter of the tinned textile soft copper wire is 0.15mm, the weaving mesh number is 7.2 meshes, the weaving pitch is 42.54, the weaving angle is 45 degrees, and a copper wire weaving layer is obtained after weaving is completed;
step c: winding the aluminum foil tape outside the copper wire braid to obtain a metal shielding tape;
step d: and (4) carrying out data test on the metal shielding belt, and putting the metal shielding belt into use after the test is qualified.
Further, the processing process flow of the outer sheath is as follows:
step 1: placing the molten isocyanate into a first reaction tank for stirring, wherein the reaction temperature is 60 ℃, and vacuumizing the first reaction tank in the reaction process to obtain a material A;
step 2: placing 1, 4-butanediol into a second reaction tank, and mixing with hydroquinone dihydroxyethyl ether, wherein the molar ratio of the 1, 4-butanediol to the hydroquinone dihydroxyethyl ether is 1: 2, vacuumizing the second reaction tank to obtain a material B;
and step 3: mixing the material A and the material B according to the proportion of 1: 1, mixing and putting into a first extruder for extrusion to obtain a polyurethane material;
and 4, step 4: a second extruder is arranged for extruding the nylon 6 material, and after the polyurethane material in the step 3 is extruded, the polyurethane material is immediately put into the second extruder for extrusion, so that the polyurethane-nylon composite sheath is obtained;
and 5: and (4) carrying out performance test on the polyurethane-nylon composite sheath, and putting the polyurethane-nylon composite sheath into use after the test is qualified to obtain the outer sheath.
The invention has the beneficial effects that:
the invention provides an ultra-flexible shielding high-voltage wire for an electric automobile, which is characterized in that a weaving process for weaving copper wires is determined, so that a better shielding effect and a better soft effect are obtained; through the setting of composite sheathing, acquire intensity with high, the pliability better, the light aging resistance stronger, the better outer sheath of oil resistance, extension outer sheath life is suitable for the production and processing of actual high-voltage line and uses.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1, the ultra-flexible shielded high-voltage line for the electric vehicle comprises a cable conductor 1, a connecting wrapping tape 2, an insulating sheath 3, a shielding tape 4 and an outer sheath 5, wherein the cable conductor is sequentially coated from inside to outside;
the cable conductor 1 is formed by twisting a central copper wire 11 and six external copper wires 12 positioned outside the central copper wire 11, and an insulating layer 13 is sleeved outside the cable conductor 1;
the central copper wire 11 and the external copper wires 12 are made of tinned annealed soft copper wires;
the shielding belt 4 comprises a metal braided wire layer 41 and an aluminum-plastic shielding layer 42 coated outside the metal braided wire layer 41;
the specific weaving process of the shielding tape 4 is as follows:
step a: selecting a tinned textile soft copper wire and an aluminum foil belt;
step b: weaving the tinned textile soft copper wire by using a weaving machine, wherein the total spindle number of the weaving machine is 24 spindles, the outer diameter of the cable before weaving is 12mm, the diameter of the tinned textile soft copper wire is 0.15mm, the weaving mesh number is 7.2 meshes, the weaving pitch is 42.54, the weaving angle is 45 degrees, and a copper wire weaving layer is obtained after weaving is completed;
step c: winding the aluminum foil tape outside the copper wire braid to obtain a metal shielding tape;
step d: carrying out data test on the metal shielding belt, and putting the metal shielding belt into use after the metal shielding belt is qualified;
in actual tests, the shielding rate of the shielding belt 4 braided by using the braiding process is 90%; the softness also meets the actual use requirement;
the processing process flow of the outer sheath 5 is as follows:
step 1: placing the molten isocyanate into a first reaction tank for stirring, wherein the reaction temperature is 60 ℃, and vacuumizing the first reaction tank in the reaction process to obtain a material A;
step 2: placing 1, 4-butanediol into a second reaction tank, and mixing with hydroquinone dihydroxyethyl ether, wherein the molar ratio of the 1, 4-butanediol to the hydroquinone dihydroxyethyl ether is 1: 2, vacuumizing the second reaction tank to obtain a material B;
and step 3: mixing the material A and the material B according to the proportion of 1: 1, mixing and putting into a first extruder for extrusion to obtain a polyurethane material;
and 4, step 4: a second extruder is arranged for extruding the nylon 6 material, and after the polyurethane material in the step 3 is extruded, the polyurethane material is immediately put into the second extruder for extrusion, so that the polyurethane-nylon composite sheath is obtained;
and 5: and (3) carrying out performance test on the polyurethane-nylon composite sheath, and putting the polyurethane-nylon composite sheath into use after the test is qualified to obtain the outer sheath 5.
In the actual use process, a weaving process for weaving the copper wire is determined, so that a better shielding effect and a better soft effect are obtained; through the setting of composite sheath, acquire intensity and follow high, the pliability is better, the light aging resistance is stronger, the better outer sheath of oil resistance, extension outer sheath life is suitable for the production and processing of actual high-voltage line to use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (3)
1. The utility model provides an ultra-flexible shielding high-voltage line for electric automobile which characterized in that: comprises a cable conductor (1), a connecting belting (2), an insulating sheath (3), a shielding belt (4) and an outer sheath (5) which are sequentially coated from inside to outside;
the cable conductor (1) is formed by twisting a central copper wire (11) and six external copper wires (12) positioned outside the central copper wire (11), and an insulating layer (13) is sleeved outside the cable conductor (1).
2. The ultra-flexible shielded high-voltage wire for the electric vehicle as claimed in claim 1, wherein: the shielding belt (4) comprises a metal braided wire layer (41) and an aluminum-plastic shielding layer (42) coated outside the metal braided wire layer (41);
the specific weaving process of the shielding belt (4) is as follows:
step a: selecting a tinned textile soft copper wire and an aluminum foil belt;
step b: weaving the tinned textile soft copper wire by using a weaving machine, wherein the total spindle number of the weaving machine is 24 spindles, the outer diameter of the cable before weaving is 12mm, the diameter of the tinned textile soft copper wire is 0.15mm, the weaving mesh number is 7.2 meshes, the weaving pitch is 42.54, the weaving angle is 45 degrees, and a copper wire weaving layer is obtained after weaving is completed;
step c: winding the aluminum foil tape outside the copper wire braid to obtain a metal shielding tape;
step d: and (4) carrying out data test on the metal shielding belt, and putting the metal shielding belt into use after the test is qualified.
3. The ultra-flexible shielded high-voltage wire for the electric vehicle as claimed in claim 1, wherein: the processing process flow of the outer sheath (5) is as follows:
step 1: placing the molten isocyanate into a first reaction tank for stirring, wherein the reaction temperature is 60 ℃, and vacuumizing the first reaction tank in the reaction process to obtain a material A;
step 2: placing 1, 4-butanediol into a second reaction tank, and mixing with hydroquinone dihydroxyethyl ether, wherein the molar ratio of the 1, 4-butanediol to the hydroquinone dihydroxyethyl ether is 1: 2, vacuumizing the second reaction tank to obtain a material B;
and step 3: mixing the material A and the material B according to the proportion of 1: 1, mixing and putting into a first extruder for extrusion to obtain a polyurethane material;
and 4, step 4: a second extruder is arranged for extruding the nylon 6 material, and after the polyurethane material in the step 3 is extruded, the polyurethane material is immediately put into the second extruder for extrusion, so that the polyurethane-nylon composite sheath is obtained;
and 5: and (3) carrying out performance test on the polyurethane-nylon composite sheath, and putting the polyurethane-nylon composite sheath into use after the test is qualified to obtain the outer sheath (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594945.5A CN114864173A (en) | 2022-05-29 | 2022-05-29 | Super-flexible shielding high-voltage wire for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594945.5A CN114864173A (en) | 2022-05-29 | 2022-05-29 | Super-flexible shielding high-voltage wire for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114864173A true CN114864173A (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210594945.5A Pending CN114864173A (en) | 2022-05-29 | 2022-05-29 | Super-flexible shielding high-voltage wire for electric automobile |
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| Country | Link |
|---|---|
| CN (1) | CN114864173A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120055576A1 (en) * | 2008-12-31 | 2012-03-08 | Manoranjan Prusty | Article Comprising Thermoplastic Polyurethane And Polyamide 6/66 Copolymer |
| CN202694828U (en) * | 2012-02-16 | 2013-01-23 | 无锡鑫宏业特塑线缆有限公司 | Electromobile battery high voltage cable |
| CN104558513A (en) * | 2014-12-19 | 2015-04-29 | 四川大学 | Melt-reaction preparation method of nylon polyurethane elastomer |
| CN105086435A (en) * | 2015-08-25 | 2015-11-25 | 安徽安缆模具有限公司 | Flexing-resistant nylon material for cable jacket and preparation method of flexing-resistant nylon material |
| CN105255158A (en) * | 2015-10-30 | 2016-01-20 | 无锡市长安曙光手套厂 | Thermoplastic polyurethane elastomer modified blend and preparation method thereof |
| CN105440670A (en) * | 2015-12-30 | 2016-03-30 | 上海应用技术学院 | Modified nylon 6/thermoplastic polyurethane composite and preparation method thereof |
| CN106543693A (en) * | 2016-11-08 | 2017-03-29 | 宁波锐克轮业科技有限公司 | A kind of roller outer ring compound polyurethane material and preparation method thereof |
| CN207038213U (en) * | 2017-03-30 | 2018-02-23 | 天津金山电线电缆股份有限公司 | A kind of New energy electric vehicle high-voltage flexible cable |
| CN209087450U (en) * | 2018-12-21 | 2019-07-09 | 上海申远高温线有限公司 | A kind of New-energy electric vehicle car high voltage cable |
-
2022
- 2022-05-29 CN CN202210594945.5A patent/CN114864173A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120055576A1 (en) * | 2008-12-31 | 2012-03-08 | Manoranjan Prusty | Article Comprising Thermoplastic Polyurethane And Polyamide 6/66 Copolymer |
| CN202694828U (en) * | 2012-02-16 | 2013-01-23 | 无锡鑫宏业特塑线缆有限公司 | Electromobile battery high voltage cable |
| CN104558513A (en) * | 2014-12-19 | 2015-04-29 | 四川大学 | Melt-reaction preparation method of nylon polyurethane elastomer |
| CN105086435A (en) * | 2015-08-25 | 2015-11-25 | 安徽安缆模具有限公司 | Flexing-resistant nylon material for cable jacket and preparation method of flexing-resistant nylon material |
| CN105255158A (en) * | 2015-10-30 | 2016-01-20 | 无锡市长安曙光手套厂 | Thermoplastic polyurethane elastomer modified blend and preparation method thereof |
| CN105440670A (en) * | 2015-12-30 | 2016-03-30 | 上海应用技术学院 | Modified nylon 6/thermoplastic polyurethane composite and preparation method thereof |
| CN106543693A (en) * | 2016-11-08 | 2017-03-29 | 宁波锐克轮业科技有限公司 | A kind of roller outer ring compound polyurethane material and preparation method thereof |
| CN207038213U (en) * | 2017-03-30 | 2018-02-23 | 天津金山电线电缆股份有限公司 | A kind of New energy electric vehicle high-voltage flexible cable |
| CN209087450U (en) * | 2018-12-21 | 2019-07-09 | 上海申远高温线有限公司 | A kind of New-energy electric vehicle car high voltage cable |
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