CN118315106A - A stable transmission and anti-interference audio and video harness and preparation method thereof - Google Patents

A stable transmission and anti-interference audio and video harness and preparation method thereof Download PDF

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Publication number
CN118315106A
CN118315106A CN202410722182.7A CN202410722182A CN118315106A CN 118315106 A CN118315106 A CN 118315106A CN 202410722182 A CN202410722182 A CN 202410722182A CN 118315106 A CN118315106 A CN 118315106A
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China
Prior art keywords
layer
core
heat dissipation
control
extruded
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CN202410722182.7A
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Chinese (zh)
Inventor
陈锁
高晓静
刘峰
郭成奇
曹先平
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Dongguan Liuchuan Electronic Technology Co ltd
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Dongguan Liuchuan Electronic Technology Co ltd
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Priority to CN202410722182.7A priority Critical patent/CN118315106A/en
Publication of CN118315106A publication Critical patent/CN118315106A/en
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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • 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
    • 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
    • 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
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/428—Heat conduction

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses an audio and video wire harness which is stable in transmission and resistant to interference, wherein a wire harness outer wrapping layer is arranged on the inner side of a wear-resistant protective sleeve, a control wire group wrapping layer is arranged in an inner cavity of an extrusion filling type inner protective body, an extrusion filling heat dissipation layer is arranged in an inner cavity of the control wire group wrapping layer, control wire core insulators are arranged at the top and the bottom of the left side of the inner cavity of the extrusion filling heat dissipation layer, tin-plated soft copper conductors are uniformly arranged in the inner cavity of the control wire core insulators, an elastic tensile reinforcement core for the control wire core conductors is arranged in the center of the inner cavity of the control wire core insulators, a ground wire core insulating layer is arranged on the right side of the inner cavity of the extrusion filling heat dissipation layer, and heat dissipation holes are uniformly formed in the extrusion filling heat dissipation layer. The invention can effectively improve the flexibility and tensile property of the wire harness, and ensures the wire harness to have the characteristics of high tensile strength, high softness, high crimping property and long service life through the mutual cooperation of the integral structures.

Description

Stable-transmission anti-interference audio and video wire harness and preparation method thereof
Technical Field
The invention relates to the technical field of audio and video wire harnesses, in particular to an audio and video wire harness with stable transmission and anti-interference and a preparation method thereof.
Background
Along with the rapid development of intelligent hardware, the electric vehicle is more and more intelligent, the wire harness is used more and more, the automobile wire harness is a network main body of an automobile circuit, the electric and electronic components of the automobile are connected and are enabled to function, no wire harness exists, no automobile circuit exists, at present, no matter the electric vehicle is an advanced luxury automobile or an economic common automobile, the wire harness is basically the same in braiding form and consists of wires, connectors and wrapping adhesive tapes, and the electric vehicle is required to ensure the electric signal transmission and ensure the reliability of the connecting circuit.
The coaxial line in the audio and video transmission line with the application number of CN201910088181.0 enables the audio and video transmission line to be softer, the diameter of the line under the same specification is smaller, the length of the product can be longer during manufacturing, and the applicability is stronger. The invention is suitable for the off-board use of the mobile phone data line or the audio signal transmission line.
However, in the actual use process of the audio and video wire harness, the electronic wire inside the audio and video wire harness only depends on the copper foil layer on the outer side to realize a signal shielding function, and the copper foil is scattered or damaged due to the fact that the copper foil is continuously bent in the long-term use process of the cable, so that signals of the electronic wire are easily interfered, and in addition, when the audio and video wire harness is used for a long time, the tensile property of the wire harness is insufficient due to the fact that the audio and video wire harness is bent, and then the situation that the wire harness is broken is easy to occur.
Based on the above, the invention designs an audio/video wire harness with stable transmission and anti-interference and a preparation method thereof, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an audio and video wire harness with stable transmission and anti-interference and a preparation method thereof, so as to solve the problem that the wire harness has a broken core in the installation process due to the fact that the tensile property of the wire harness is insufficient in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a transmission is stable and anti-interference audio and video pencil, includes wear-resisting protective sheath, wear-resisting protective sheath inboard is provided with the pencil and winds the covering outward, the pencil is wound the covering outward and is kept away from wear-resisting protective sheath one side and is provided with extrusion filling type inner shield, extrusion filling type inner shield inner chamber is provided with control line group and winds the covering, control line group winds the inner chamber of covering and is provided with extrusion filling heat dissipation layer, the top and the bottom of the left side of the inner chamber of extrusion filling heat dissipation layer all are provided with control wire core insulator, control wire core insulator inner chamber evenly is provided with tin-plated soft copper conductor, just control wire core conductor elasticity tensile enhancement core is provided with in control wire core insulator inner chamber center department, extrusion filling heat dissipation layer's inner chamber right side is provided with the ground wire core insulating layer, the inner chamber of ground wire core insulating layer is provided with ground wire core insulating layer, extrusion filling heat dissipation layer evenly is provided with the louvre;
An outer shielding layer wrapped on the outer side of the tin-plated soft copper conductor is arranged in the control wire core insulator, and a shielding ring wrapped on the outer side of the extrusion filling heat dissipation layer is arranged in the control wire group wrapping layer.
Preferably, the elastic tensile reinforcement core of the control wire core conductor is formed by combining high-strength aramid yarn bundles.
Preferably, the control wire core conductor is formed by binding stranded copper conductors on an elastic tensile reinforcement core of the wound control wire core conductor.
Preferably, the ground wire core insulating layer and the control wire core insulator are both arranged as special tensile thermoplastic elastomer insulating material layers.
Preferably, the control wire set wrapping layer and the wire harness outer wrapping layer are both arranged as glass fiber tape wrapping material layers.
Preferably, the heat dissipation holes are uniformly distributed along the circumferential direction of the cross section of the wire harness.
A manufacturing method of an audio/video wire harness with stable transmission and anti-interference comprises the following specific steps:
s1: manufacturing a control wire core: performing wire bundling operation on a plurality of tinned soft copper wires to form a tinned soft copper conductor, then processing the tinned soft copper conductor in a concentric manner through a stranding process, inserting a reinforcing core control wire core conductor elastic tensile reinforcing core synthesized by high-strength aramid yarn bundles in the middle while performing wire bundling operation, and extruding and wrapping the outer side of the tinned soft copper conductor to form an outer shielding layer;
S2: and (3) manufacturing an insulating layer: when the ground wire core insulating layer and the control wire core insulator are manufactured, special tensile thermoplastic elastomer insulating materials are respectively extruded on the outer surfaces of the ground wire core conductor and the outer shielding layer by using an extruder, so that the insulating layer is formed;
S3: and (3) manufacturing a control line group wrapping layer: filling the outer surfaces of the ground wire core insulating layer and the control wire core insulating layer with heat dissipation materials with heat dissipation holes to form an extrusion filling heat dissipation layer, extruding and wrapping the outer side of the extrusion filling heat dissipation layer to form a shielding ring, and braiding a glass fiber tape wrapping material to form a control wire group wrapping layer by using a braiding process on the outer side of the shielding ring;
S4: manufacturing a wire harness outer winding layer: extruding the wire harness paste on the outer surface of the control wire group wrapping layer by using an extruding machine to form an extrusion filling type inner protector, and then braiding a glass fiber tape wrapping material on the outer surface of the extrusion filling type inner protector by using a braiding process to form a wire harness outer wrapping layer;
S5: manufacturing a wear-resistant protective sleeve: the outer surface of the wire harness outer wrapping layer is extruded by cotton cloth wrapping tape to form a layer of protective film, then the protective film is cooled by a water tank, and then the wear-resistant rubber is extruded on the wire harness outer wrapping layer by a strong adhesive through an extruder to form a wear-resistant protective sleeve.
Compared with the prior art, the invention has the beneficial effects that: the wire harness elastic tensile reinforcement structure is simple and reasonable in structure and convenient to use, flexibility and tensile performance of the wire harness can be effectively improved, meanwhile, the wire harness is prevented from being broken in the process of frequently moving the wire harness by arranging the elastic tensile reinforcement core for controlling the wire harness conductor, flexibility, tensile performance and environmental protection performance of the wire harness can be guaranteed by arranging the high-strength elastomer insulating layer, and the wire harness has the characteristics of high tensile strength, high softness, high crimping and long service life through interaction of the integral structure.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
In the figure: 1. wear-resistant protective sleeve; 2. a wire harness outer winding layer; 3. extruding the filling type inner protecting body; 4. a control line group is wound around the cladding; 5. extruding and filling the heat dissipation layer; 6. a heat radiation hole; 7. a control wire core insulator; 8. a control wire core conductor elastic tensile reinforcement core; 9. tinning a soft copper conductor; 10. an earth wire core insulating layer; 11. a ground wire core conductor; 12. an outer shielding layer; 13. a shielding ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides an audio and video pencil of transmission stability and anti-interference, includes wear-resisting protective sheath 1, wear-resisting protective sheath 1 inboard is provided with pencil outer around covering 2, pencil outer around one side that wear-resisting protective sheath 1 was kept away from to covering 2 is provided with extrusion filling type inner shield 3, extrusion filling type inner shield 3 inner chamber is provided with control line group around covering 4, control line group is provided with extrusion filling heat dissipation layer 5 around the inner chamber of covering 4, extrusion filling heat dissipation layer 5's left top and bottom all are provided with control wire core insulator 7, control wire core insulator 7 inner chamber evenly is provided with tinned soft copper conductor 9, just control wire core insulator 7 inner chamber center department is provided with control wire core conductor elasticity tensile enhancement core 8, extrusion filling heat dissipation layer 5's inner chamber right side is provided with ground wire core insulating layer 10, ground wire core insulating layer 11 is provided with to the inner chamber of ground wire core insulating layer 10, extrusion filling heat dissipation layer 5 evenly is provided with louvre 6.
An outer shielding layer 12 wrapped on the outer side of the tinned soft copper conductor 9 is arranged in the control wire core insulator 7, and a shielding ring 13 wrapped on the outer side of the extrusion filling heat dissipation layer 5 is arranged in the control wire group wrapping layer 4.
The control wire core conductor elastic tensile reinforcement core 8 is arranged to be a high-strength aramid yarn bundle composite reinforcement core, high-strength tensile property of the tinned soft copper conductor 9 can be guaranteed through the arrangement, the tinned soft copper conductor 9 is formed by bundling the twisted copper conductor on the winding control wire core conductor elastic tensile reinforcement core 8, conductivity of the tinned soft copper conductor 9 can be guaranteed through the arrangement, flexibility and tensile property of the tinned soft copper conductor 9 can be increased, the ground wire core insulating layer 11 and the control wire core insulator 7 are both arranged to be special tensile thermoplastic elastomer insulating material layers, integral flexibility and tensile property of a control wire bundle can be guaranteed through the arrangement, the control wire group wrapping layer 4 and the wire bundle wrapping layer are both arranged to be glass fiber tape wrapping material layers, integral flexible strength of the control wire bundle can be guaranteed through the arrangement, the radiating holes 6 are arranged to be evenly distributed along the circumferential direction of the cross section of the wire bundle, heat generated by the tinned soft copper conductor 9 in a long-time conducting process can be dissipated timely, and the safety coefficient of the control wire bundle is increased.
The invention also discloses a manufacturing method of the audio/video wire harness with stable transmission and anti-interference, which comprises the following specific steps:
S1: manufacturing a control wire core: a plurality of tinned soft copper wires are subjected to wire bundling operation to form a tinned soft copper conductor 9, then the tinned soft copper wires are processed in a concentric manner through a stranding process, a reinforcing core control wire core conductor elastic tensile reinforcing core 8 synthesized by high-strength aramid yarn bundles is required to be inserted in the middle while the wire bundling operation is performed, and an outer shielding layer 12 is formed by extrusion and wrapping of the outer side of the tinned soft copper conductor 9;
S2: and (3) manufacturing an insulating layer: when the ground wire core insulating layer 10 and the control wire core insulator 7 are manufactured, special tensile thermoplastic elastomer insulating materials are respectively extruded on the outer surfaces of the ground wire core conductor 11 and the outer shielding layer 12 by using an extruder, so that an insulating layer is formed;
S3: and (3) manufacturing a control line group wrapping layer: filling the outer surfaces of the ground wire core insulating layer 10 and the control wire core insulator 7 with a heat radiation material with heat radiation holes 6 to form an extrusion filling heat radiation layer 5, extruding and wrapping the outer side of the extrusion filling heat radiation layer 5 to form a shielding ring 13, and braiding a glass fiber tape wrapping material into a control wire group wrapping layer 4 by using a braiding process on the outer side of the shielding ring 13;
s4: manufacturing a wire harness outer winding layer: extruding the wire harness paste on the outer surface of the control wire group wrapping layer 4 by using an extruding machine to form an extrusion filling type inner protection body 3, and then braiding a glass fiber belt wrapping material on the outer surface of the extrusion filling type inner protection body 3 by using a braiding process to form a wire harness outer wrapping layer 2;
S5: manufacturing a wear-resistant protective sleeve: the outer surface of the wire harness outer wrapping layer 2 is extruded by cotton cloth wrapping tape to form a layer of protective film, then the protective film is cooled by a water tank, and wear-resistant rubber is extruded on the wire harness outer wrapping layer 2 by a strong adhesive through an extruder to form the wear-resistant protective sleeve 1.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1.一种传输稳定且抗干扰的音视频线束，一种传输稳定且抗干扰的音视频线束，包括耐磨保护套（1），所述耐磨保护套（1）内侧设置有线束外绕包层（2），所述线束外绕包层（2）远离耐磨保护套（1）的一侧设置有挤压填充式内护体（3），其特征在于：所述挤压填充式内护体（3）内腔设置有控制线组绕包层（4），所述控制线组绕包层（4）的内腔设置有挤压填充散热层（5），所述挤压填充散热层（5）的内腔的左侧的顶部和底部均设置有控制线芯绝缘体（7），所述控制线芯绝缘体（7）内腔均匀设置有镀锡软铜导体（9），且所述控制线芯绝缘体（7）内腔中心处设置有控制线芯导体弹性抗拉加强芯（8），所述挤压填充散热层（5）的内腔右侧设置有地线芯绝缘层（10），所述地线芯绝缘层（10）的内腔设置有地线芯绝缘层（11），所述挤压填充散热层（5）均匀设置有散热孔（6）；1. An audio and video wire harness with stable transmission and anti-interference, comprising a wear-resistant protective sleeve (1), a wire harness outer sheath (2) is arranged on the inner side of the wear-resistant protective sleeve (1), an extruded filled inner sheath (3) is arranged on the side of the wire harness outer sheath (2) away from the wear-resistant protective sleeve (1), and the extruded filled inner sheath (3) is characterized in that: the inner cavity of the extruded filled inner sheath (3) is provided with a control wire group sheath (4), the inner cavity of the control wire group sheath (4) is provided with an extruded filled heat dissipation layer (5), and the extruded filled heat dissipation layer (5) is provided. A control wire core insulator (7) is arranged at the top and bottom of the left side of the inner cavity of the heat layer (5); a tinned soft copper conductor (9) is evenly arranged in the inner cavity of the control wire core insulator (7); and a control wire core conductor elastic tensile reinforcement core (8) is arranged at the center of the inner cavity of the control wire core insulator (7); a ground wire core insulation layer (10) is arranged on the right side of the inner cavity of the extruded filling heat dissipation layer (5); a ground wire core insulation layer (11) is arranged in the inner cavity of the ground wire core insulation layer (10); and heat dissipation holes (6) are evenly arranged in the extruded filling heat dissipation layer (5); 所述控制线芯绝缘体（7）内设置有绕包在镀锡软铜导体（9）外侧的外屏蔽层（12），所述控制线组绕包层（4）内设置有绕包在挤压填充散热层（5）外侧的屏蔽环（13）。The control line core insulator (7) is provided with an outer shielding layer (12) wrapped around the outside of the tinned soft copper conductor (9), and the control line group wrapping layer (4) is provided with a shielding ring (13) wrapped around the outside of the extruded filling heat dissipation layer (5). 2.根据权利要求1所述的一种传输稳定且抗干扰的音视频线束，其特征在于：所述控制线芯导体弹性抗拉加强芯（8）设置为高强度芳纶纱束合成加强芯。2. An audio and video cable harness with stable transmission and anti-interference according to claim 1, characterized in that: the elastic tensile strength reinforcing core (8) of the control core conductor is set as a high-strength aramid yarn bundle synthetic reinforcing core. 3.根据权利要求1所述的一种传输稳定且抗干扰的音视频线束，其特征在于：所述镀锡软铜导体（9）设置为绞合铜导体通过缠绕控制线芯导体弹性抗拉加强芯（8）上束合而成。3. According to claim 1, a transmission stable and anti-interference audio and video cable harness is characterized in that: the tinned soft copper conductor (9) is configured as a stranded copper conductor bundled by winding around the elastic tensile strength reinforcing core (8) of the control core conductor. 4.根据权利要求1所述的一种传输稳定且抗干扰的音视频线束，其特征在于：所述地线芯绝缘层（11）和控制线芯绝缘体（7）均设置为特种抗拉热塑性弹性体绝缘材料层。4. The audio and video cable harness with stable transmission and anti-interference according to claim 1, characterized in that: the ground wire core insulation layer (11) and the control wire core insulator (7) are both set as special tensile thermoplastic elastomer insulation material layers. 5.根据权利要求1所述的一种传输稳定且抗干扰的音视频线束，其特征在于：所述控制线组绕包层（4）和线束外绕包层（2）均设置为玻璃纤维带绕包材料层。5. The audio and video wiring harness with stable transmission and anti-interference according to claim 1, characterized in that: the control wire group wrapping layer (4) and the wiring harness outer wrapping layer (2) are both set as glass fiber tape wrapping material layers. 6.根据权利要求1所述的一种传输稳定且抗干扰的音视频线束，其特征在于：所述散热孔（6）设置为沿着线束横截面圆周方向均匀分布。6. The audio and video cable harness with stable transmission and anti-interference according to claim 1, characterized in that: the heat dissipation holes (6) are arranged to be evenly distributed along the circumferential direction of the cross section of the cable harness. 7.一种如权利要求1-6任意一项所述的传输稳定且抗干扰的音视频线束的制作方法，其特征在于：所述制作方法的具体步骤如下：7. A method for manufacturing an audio and video cable harness with stable transmission and anti-interference according to any one of claims 1 to 6, characterized in that the specific steps of the manufacturing method are as follows: S1：控制线芯制作：将多根镀锡软铜铜丝进行束丝操作成镀锡软铜导体（9），然后以同心的方式通过绞合工艺加工，在进行束丝操作的同时需要在中间插入用高强度芳纶纱束合成的加强芯控制线芯导体弹性抗拉加强芯（8），且在镀锡软铜导体（9）外侧挤包形成外屏蔽层（12）；S1: Control core production: a plurality of tinned soft copper wires are bundled into a tinned soft copper conductor (9), and then processed in a concentric manner through a twisting process. During the bundling operation, a reinforcing core control core conductor elastic tensile reinforcing core (8) made of high-strength aramid yarn is inserted in the middle, and an outer shielding layer (12) is extruded on the outer side of the tinned soft copper conductor (9); S2：绝缘层制作：制作地线芯绝缘层（10）和控制线芯绝缘体（7）时，均需要利用挤塑机将用特种抗拉热塑性弹性体绝缘材料分别挤塑在地线芯导体（11）和外屏蔽层（12）的外表面，从而形成绝缘层；S2: Insulation layer production: When producing the ground wire core insulation layer (10) and the control wire core insulator (7), it is necessary to use an extruder to extrude a special tensile thermoplastic elastomer insulation material onto the outer surfaces of the ground wire core conductor (11) and the outer shielding layer (12), respectively, to form an insulation layer; S3：控制线组绕包层制作：在地线芯绝缘层（10）和控制线芯绝缘体（7）外表面采用带有散热孔（6）的散热材料进行填充成挤压填充散热层（5），然后在挤压填充散热层（5）外侧挤包形成屏蔽环（13），并且屏蔽环（13）外侧利用编织工艺将玻璃纤维带绕包材料进行编织成控制线组绕包层（4）；S3: Production of the control line group wrapping layer: The outer surfaces of the ground line core insulation layer (10) and the control line core insulator (7) are filled with a heat dissipation material with heat dissipation holes (6) to form an extruded filling heat dissipation layer (5), and then a shielding ring (13) is formed by extruding the outer side of the extruded filling heat dissipation layer (5), and the outer side of the shielding ring (13) is woven with a glass fiber tape wrapping material by a weaving process to form a control line group wrapping layer (4); S4：线束外绕包层制作：在控制线组绕包层（4）的外表面先利用挤塑机将线束膏挤塑而成挤压填充式内护体（3），然后在挤压填充式内护体（3）的外表面利用编织工艺将玻璃纤维带绕包材料进行编织形成线束外绕包层（2）；S4: Making the outer wrapping layer of the wire harness: firstly, using an extruder to extrude the wire harness paste on the outer surface of the control wire group wrapping layer (4) to form an extruded filling inner protective body (3), and then, using a weaving process, weaving a glass fiber tape wrapping material on the outer surface of the extruded filling inner protective body (3) to form the outer wrapping layer (2) of the wire harness; S5：耐磨保护套制作：在线束外绕包层（2）的外表面先用棉布绕包带进行挤压形成一层保护膜，然后经过水槽冷却后，再将耐磨橡胶利用强力胶粘剂通过挤压机挤压在线束外绕包层（2）上形成耐磨保护套（1）。S5: Production of wear-resistant protective cover: A cotton wrapping tape is first extruded on the outer surface of the wiring harness outer wrapping layer (2) to form a protective film, and then after cooling in a water tank, wear-resistant rubber is extruded on the wiring harness outer wrapping layer (2) by using a strong adhesive through an extruder to form a wear-resistant protective cover (1).
CN202410722182.7A 2024-06-05 2024-06-05 A stable transmission and anti-interference audio and video harness and preparation method thereof Pending CN118315106A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978386A (en) * 2017-11-14 2018-05-01 江苏长城电缆有限公司 A kind of intelligent equipment controls cable and preparation method thereof with flexible tension
CN109859884A (en) * 2019-01-29 2019-06-07 苏州矽米亚尔电子有限公司 A kind of audio video transmission line

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107978386A (en) * 2017-11-14 2018-05-01 江苏长城电缆有限公司 A kind of intelligent equipment controls cable and preparation method thereof with flexible tension
CN109859884A (en) * 2019-01-29 2019-06-07 苏州矽米亚尔电子有限公司 A kind of audio video transmission line

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