WO2021042408A1 - Fil résistant à la flexion et procédé de traitement associé - Google Patents

Fil résistant à la flexion et procédé de traitement associé Download PDF

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Publication number
WO2021042408A1
WO2021042408A1 PCT/CN2019/105410 CN2019105410W WO2021042408A1 WO 2021042408 A1 WO2021042408 A1 WO 2021042408A1 CN 2019105410 W CN2019105410 W CN 2019105410W WO 2021042408 A1 WO2021042408 A1 WO 2021042408A1
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WO
WIPO (PCT)
Prior art keywords
wires
core material
wire
bending
wound
Prior art date
Application number
PCT/CN2019/105410
Other languages
English (en)
Chinese (zh)
Inventor
张海斌
金涛
刘灿
Original Assignee
深圳市金泰科环保线缆有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201910829209.1A external-priority patent/CN110459346B/zh
Application filed by 深圳市金泰科环保线缆有限公司 filed Critical 深圳市金泰科环保线缆有限公司
Priority to JP2021547624A priority Critical patent/JP7130288B2/ja
Priority to DE112019005457.0T priority patent/DE112019005457T5/de
Publication of WO2021042408A1 publication Critical patent/WO2021042408A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
    • 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
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
    • H01B13/01263—Tying, wrapping, binding, lacing, strapping or sheathing harnesses
    • 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
    • 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
    • H01B7/24—Devices affording localised protection against mechanical force or pressure
    • 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
    • H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses

Definitions

  • This application relates to the field of wire rods, and in particular to a bending-resistant wire rod and a processing method thereof.
  • the connecting wires in the fields of science and technology machinery and electronic products in the prior art all have certain requirements in terms of bending resistance, that is, they generally need to remain connected after being bent many times.
  • the biggest problem with these connecting wires in the prior art is still that they are easily broken after being used many times.
  • the Chinese patent application number 201220609213.0 provides a new type of super-strong bending and tensile-resistant conductive wire, which specifically winds the copper wire on the outside of the anti-broken wire conductor.
  • the method is a threaded rotary winding method.
  • the bending resistance of the conductive wire can be improved, and the repeated folding and bending can be achieved more than a million times.
  • the above-mentioned prior art has achieved the effect of improving the bending resistance performance to a certain extent, in actual products, the use environment is complex and changeable, and the bending methods and times are very different, resulting in the actual product performance in the real environment. There is a big gap between the bending resistance and the bending resistance under the test environment.
  • the purpose of this application is to provide a bending resistant wire material and a processing method thereof, which can improve the bending resistance performance, so as to realize the continuous wire of the wire material under complex and changeable use environments and conditions.
  • the embodiments of the present application provide a bending resistant wire material, including a core material and multiple strands of wires wound on the surface of the core material, and the multiple strands of wires wound on the surface of the core material form multiple repeats. And a continuous minimum winding unit, each bundle of wires in the minimum winding unit is wound side by side at the same angle, and the distance between adjacent minimum winding units is 2 to 4 times the width of a single minimum winding unit.
  • an embodiment of the present application provides a method for processing the bending-resistant wire material of the first aspect, which includes the steps:
  • the multiple wires wound on the surface of the core material form multiple repeated and continuous minimum winding units; wherein, each bundle of wires in the minimum winding unit is at the same angle Winding side by side, and the distance between adjacent minimum winding units is 2 to 4 times the width of a single minimum winding unit;
  • control core material includes:
  • the controlling the continuous movement of the core material includes:
  • the control core material passes through the reel and moves in a predetermined direction.
  • FIG. 1 is a schematic structural diagram of a bending resistant wire provided by an embodiment of the application
  • FIG. 2 is a schematic flowchart of a method for processing a bending resistant wire provided by an embodiment of the application.
  • Figure 1 is a schematic structural diagram of a bending resistant wire provided by an embodiment of the application.
  • the bending resistant wire includes a core material 101 and a core material 101 wound on the surface of the core material 101.
  • Bundle of wires (specifically including wire a, wire b, wire c, and wire d in Figure 1), the multiple strands of wires wound on the surface of the core material 101 form multiple repeated and continuous minimum winding units 102 ( Figure 1 The dashed frame part), each bundle of wires in the minimum winding unit 102 is wound side by side at the same angle, and the distance between adjacent minimum winding units 102 (represented by f in FIG. 1) is a single minimum winding unit 102 2 to 4 times the width (represented by e in Figure 1).
  • the minimum winding unit 102 refers to a repeatable minimum unit wound on the surface of the core material 101.
  • each bundle of wires is wound side by side and all wound at the same angle. Thereby forming a regular winding body.
  • the core improvement of the present application is that the distance between adjacent minimum winding units 102 is 2 to 4 times the width of a single minimum winding unit 102. In this way, there will be sufficient bending space between the adjacent minimum winding units 102.
  • the bending resistant wire When the bending resistant wire is bent, due to the large bending space between the adjacent minimum winding units 102, it will eventually be The actual width of the minimum winding unit 102 will be increased based on the bending space. In other words, when the bending operation is performed on the bending resistant wire, the bending resistant wire will have sufficient bending margin to offset the increase in the width of the minimum winding unit 102 required by the bending operation.
  • the minimum winding unit 102 in the bending resistant wire material is repeated and continuous, and the distance between adjacent minimum winding units 102 is 2 to 4 times the width of a single minimum winding unit 102, the entire bending resistance
  • the folded wire material has flexural resistance as a whole.
  • the smallest winding unit 102 is formed by winding bundles of wires side by side, and the actual size of each bundle of wires is small, the actual size of the smallest winding unit 102 is also very small.
  • the distance between the two is 2 to 4 times the width of the single smallest winding unit 102, but the distance between adjacent smallest winding units 102 is also very small, and the bending-resistant wire is very much compared to the smallest winding unit 102 as a whole.
  • the final bending resistance wire material actually has the above bending space everywhere, which is of great significance to the bending resistance wire material, which means that on the whole, the bending resistance wire material In fact, it has anti-bending performance everywhere, no matter which part of the anti-bending wire is bent, there will be a corresponding bending space to cushion the requirement of increasing the width of the minimum winding unit 102.
  • the distance between adjacent minimum winding units 102 should not be too small or too large. If the distance between adjacent minimum winding units 102 is too small, the bending space provided by the minimum winding units 102 is too small, and the bending resistance requirements may not be met. If the distance between adjacent minimum winding units 102 is too large, then the wires connected between adjacent minimum winding units 102 will be arranged in the transverse direction and the distance of the wires arranged in the transverse direction is too long, and the bending will be performed. During the folding operation, the wires connected between the adjacent minimum winding units 102 will have a greater risk of wire breakage. If this part of the wire is broken, the bending-resistant wire as a whole will not be able to transmit signals and lose the signal transmission function.
  • the distance between adjacent minimum winding units 102 is 3 times the width of the minimum winding unit 102.
  • the overall bending resistance of the wire is the best, which can ensure sufficient bending
  • the wires between adjacent minimum winding units 102 are not prone to the risk of disconnection.
  • the anti-bending wire provided by the embodiments of the present application, a reasonable distance is set between adjacent minimum winding units 102, so that the anti-bending wire has anti-bending performance everywhere, even if the anti-bending wire is When a certain position is bent multiple times, the wire breakage will not occur, thereby improving the overall bending resistance performance of the bending resistant wire.
  • the bending resistant wire provided by the embodiment of the present application is particularly suitable for some frequently required bending Operate products, such as headset cables, robot cables, data cables, etc.
  • the winding angle of the minimum winding unit 102 is an included angle of 30-60 degrees with the core material 101. Since the minimum winding unit 102 is formed by winding a plurality of wires on the core material 101 side by side, the winding angle of the minimum winding unit 102 can also guide the winding angle of the wire.
  • the winding angle of the minimum winding unit 102 refers to the angle formed with the core material 101. Assuming that the core material 101 is placed horizontally, when each wire in the minimum winding unit 102 is wound around the core material 101, the angle (acute angle) between each wire and the horizontal line is the angle between the wire and the core material 101. In this application, the winding angle of the minimum winding unit 102 should not be too large or too small.
  • the winding angle of the smallest winding unit 102 If the winding angle of the smallest winding unit 102 is too large, it will cause the wires between adjacent smallest winding units 102 to approach the core 101, causing the wires connecting adjacent smallest winding units 102 to tilt in the horizontal direction, which will affect the length of the wire. Bending resistance. If the winding angle of the minimum winding unit 102 is too small, the wire of the minimum winding unit 102 will tilt to the horizontal direction, which affects the bending resistance of the minimum winding unit 102 itself. Therefore, when setting the winding angle, The bending resistance of the wires of the smallest winding unit 102 should be paid attention to, and the bending resistance of the wires between the smallest winding units 102 should be paid attention to.
  • the winding angle is set to The included angle of 30-60 degrees with the core material 101 can ensure that the bending-resistant wire material maintains a good bending resistance performance as a whole without causing a certain part of the bending resistance performance to be reduced.
  • the distance between adjacent minimum winding units 102 is limited, so that the wire can have bending resistance at these places.
  • the specific bending position is uncertain. If the pitch between adjacent bundles of wires is small, the minimum winding unit 102 will first start to loosen the wire from the two ends of the wire (due to the adjacent minimum winding There is a bending space between the units 102), and because the pitch of the wires in the middle of the smallest winding unit 102 is too small, the wires in the middle cannot be loosened in time, and are still in the original structure.
  • each bundle of wires in the minimum winding unit 102 also has a requirement to increase the width, so that the minimum winding unit 102 itself has a certain degree of bending resistance.
  • the present application defines the pitch between adjacent bundles of wires. Specifically, in the minimum winding unit 102, the pitch between adjacent bundles of wires is 0.1 to 2 times the diameter of a single bundle of wires, so that for the smallest winding unit 102 itself has bending space. That is, when the wire is bent, the minimum winding unit 102 has a certain gap between adjacent bundles of wires, thereby providing bending space for these wires, so that the minimum winding unit 102 itself has a certain degree of bending resistance. performance.
  • the pitch between the adjacent strands of wires should not be too small, otherwise it will not be able to buffer in time and effectively, and the risk of breakage of the intermediate wires of the smallest winding unit 102 will increase;
  • the pitch between them should not be too large, otherwise the winding angle of each bundle of wires is too small, causing the wires to tilt toward the core 101, which will also increase the risk of breakage.
  • the pitch between the adjacent bundles of wires is set to be 1 time of the diameter of a single bundle of wires, and the bending resistance performance is the best.
  • the diameters of the bundles of wires are the same or not much different.
  • the aforementioned single bundle of wires refers to the diameter of any bundle of wires, or can refer to all bundles of wires. The average value of the diameter.
  • the cross section of the wire is usually circular, so the above-mentioned size of the pitch is also used as a reference to the diameter, but it is easy for those skilled in the art to think that the cross section of the wire can also adopt other deformed structures, such as Polygonal structure, or set to other structures according to actual application scenarios.
  • the pitch between the adjacent bundles of wires can obviously be set to 0.1 to 2 times the width of a single bundle of wires.
  • the wire is an enameled wire or a bare wire.
  • the wire may adopt an enameled wire structure or a bare wire structure.
  • the enameled wire is composed of a conductor and an insulating layer, and is specifically formed by annealing and softening a bare wire, then painting and baking for many times.
  • the bare wire refers to a product with only a conductor without an insulating layer, and specifically may be a round single wire of various metals such as copper and aluminum or a composite metal.
  • each bundle of wires adopts wires of the same structure, for example, all adopt the structure of enameled wires, or all adopt the structure of bare wires.
  • each bundle of wires can also adopt a mixed structure of wires, that is, in multiple bundles of wires, a certain bundle or bundles of wires are of enameled wire structure, and certain bundles or bundles of wires are of bare wire structure. .
  • the multiple bundles of wires are wound with multiple layers, and an insulating layer is arranged between the multiple bundles of wires in adjacent layers.
  • the multiple bundles of wires are wound, only one layer or multiple layers can be wound.
  • Different winding methods have different benefits. For example, when only one layer is wound, it can ensure that the wire rod as a whole maintains strong bending resistance. Bending performance, but the number of signal paths that can be transmitted will be limited; if multiple layers are wound, multiple signals can be transmitted at the same time, but it will inevitably reduce the overall bending resistance of the wire, and the more layers are wound , The bending resistance performance decreases more. Therefore, in the embodiments of the present application, it is not recommended to wind multiple layers of wires. Generally, it is wound up to 3 layers, preferably 2 layers to ensure sufficient bending resistance.
  • an insulating layer can be provided between the multiple wires of adjacent layers, so that the multiple wires between different layers will not interfere with each other.
  • an insulating layer such as insulating glue, can be wrapped on the surface of the multiple strands of wires. Then continue to wind multiple strands of wires on the insulating layer.
  • the winding method of the second layer is the same as that of the first layer, but the final winding structure can be exactly the same or slightly different according to needs, such as winding
  • the angle can be different
  • the distance between adjacent minimum winding units 102 can be different from the multiple of the width of a single minimum winding unit 102
  • the winding intercept can be different.
  • the type of wire wound can also be different.
  • the winding method is the same, that is, "a plurality of repeated and continuous minimum winding units 102 are formed, and the bundles of wires in the minimum winding unit 102 are wound side by side at the same angle and adjacent to each other.
  • the spacing between the smallest winding units 102 is 2 to 4 times the width of the single smallest winding unit 102".
  • the wires are provided with 4 bundles. These 4 bundles of wires are preferably bare wires, such as wire a, wire b, wire c, and wire d in FIG. 1, and these 4 bundles of bare wires will transmit signals together. Obviously, in different application scenarios, the number of wires can be adjusted according to actual needs. For example, 2 bundles, 3 bundles, 4 bundles, 5 bundles, 6 bundles, etc. can be set specifically, but no matter how many bundles of wires are used, it The arrangement and winding methods are the same, so that the wire has sufficient bending resistance as a whole.
  • the wires can be set as one bundle, and there is only one bundle of wires in a minimum winding unit 102, and the distance between adjacent minimum winding units 102 is actually the pitch between adjacent bundles of wires. In this case , The final wire rod still has good bending resistance.
  • the core material 101 is a conductive core material or a non-conductive core material. Based on different application scenarios, the core material 101 may be a conductive core material or a non-conductive core material.
  • the core material 101 may also be a core material with tensile properties, so that when the bending-resistant wire material is stretched, since there is a larger bending space between adjacent minimum winding units 102, the The bending space actually becomes the stretching space, and the core material 101 located in the middle part also has stretching properties, so the actual width of the minimum winding unit 102 will eventually be increased based on the stretching space.
  • Figure 1 is only a schematic structural diagram drawn for the convenience of description.
  • the diameter of each wire is very small, so in the actual product, the width of the smallest winding unit 102 and the width of the adjacent smallest winding unit 102 The distances between the two are very small, so the wires between adjacent minimum winding units 102 will not be too inclined toward the core material 101, and they can still be kept at a better winding angle.
  • the embodiment of the present application also provides a method for processing the anti-bending wire rod, as shown in FIG. 2, which includes the steps:
  • the core material should move in the same direction to facilitate continuous processing.
  • the control core material passes through the reel and moves in a predetermined direction.
  • the reel for winding multiple bundles of wires has a hollow structure, and the core material can pass through the core and move in a predetermined direction, that is, move in the same direction.
  • the multiple bundles of wires that have been wound can be drawn out from one end of the reel, specifically toward the end of the core material moving direction, and then the multiple strands of wires are continuously drawn along a predetermined angle, and the controller is wound around the continuously moving core.
  • the controller is wound around the continuously moving core.
  • each bundle of wires in the minimum winding unit is in accordance with the same Winding side by side at an angle, and the distance between adjacent minimum winding units is 2 to 4 times the width of a single minimum winding unit;
  • the core material moving speed for example, control to increase the core material moving speed
  • the spacing between the minimum winding units will increase, and the core material moving speed will be controlled to decrease.
  • the winding speed is constant, the spacing between the minimum winding units will be reduced.
  • control the winding speed such as reducing the winding speed. Since the core material moving speed is unchanged, the distance between the smallest winding units will be reduced, and the winding speed will be controlled to increase. The spacing between the smallest winding units increases.
  • the above is based on a single control method to realize the control of the distance between adjacent minimum winding units.
  • the embodiment of the present application can also use two control methods to control the above distance at the same time, and the final effect is also
  • the distance between adjacent minimum winding units is 2 to 4 times the width of the single minimum winding unit.
  • a winding device can be installed at one end of the core material moving direction to wind up the bending resistant wire material after winding, so as to continuously process the bending resistant wire material.

Abstract

La présente invention concerne un fil résistant à la flexion et un procédé de traitement associé. Le fil résistant à la flexion comprend un matériau de noyau (101) et une pluralité de fils conducteurs enroulés sur la surface du matériau de noyau (101) ; la pluralité de fils conducteurs enroulés sur la surface du matériau de noyau (101) forment une pluralité d'unités d'enroulement minimales répétées et continues (102) ; les fils conducteurs dans chacune des unités d'enroulement minimales (102) sont enroulés côte à côte selon un même angle ; et la distance entre des unités d'enroulement minimales adjacentes (102) est de 2 à 4 fois la largeur d'une seule unité d'enroulement minimale (102), de telle sorte qu'un espace de courbure suffisant est réservé entre les unités d'enroulement minimales adjacentes (102) ; la largeur réelle de l'unité d'enroulement minimale (102) est augmentée sur la base de l'espace de courbure lorsque le fil résistant à la flexion est plié ; ainsi, le fil résistant à la flexion présente une résistance à la flexion élevée.
PCT/CN2019/105410 2019-09-03 2019-09-11 Fil résistant à la flexion et procédé de traitement associé WO2021042408A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2021547624A JP7130288B2 (ja) 2019-09-03 2019-09-11 耐屈曲線材及び耐屈曲線材を加工するための方法
DE112019005457.0T DE112019005457T5 (de) 2019-09-03 2019-09-11 Biegefester Draht und Bearbeitungsverfahren dafür

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910829209.1A CN110459346B (zh) 2019-09-03 一种抗弯折线材及其加工方法
CN201910829209.1 2019-09-03

Publications (1)

Publication Number Publication Date
WO2021042408A1 true WO2021042408A1 (fr) 2021-03-11

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PCT/CN2019/105410 WO2021042408A1 (fr) 2019-09-03 2019-09-11 Fil résistant à la flexion et procédé de traitement associé

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JP (1) JP7130288B2 (fr)
DE (1) DE112019005457T5 (fr)
WO (1) WO2021042408A1 (fr)

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US20020007958A1 (en) * 2000-06-13 2002-01-24 Patrick Rivelli Fatigue-resistant conductive wire article
CN1421876A (zh) * 2001-11-22 2003-06-04 同济大学 多股平行绝缘螺旋形细缆线制作工艺
CN201242884Y (zh) * 2008-07-04 2009-05-20 浙江万马电缆股份有限公司 电缆用螺旋导体
CN201788731U (zh) * 2010-07-27 2011-04-06 山东科技大学 一种抗弯折导线
JP2013101823A (ja) * 2011-11-08 2013-05-23 Asahi Kasei Fibers Corp 耐屈曲ケーブル
CN203038683U (zh) * 2012-11-16 2013-07-03 深圳市金泰科环保线缆有限公司 一种新型超强的抗弯折且抗拉折的导电线

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JPS6021991A (ja) * 1983-07-14 1985-02-04 神鋼鋼線工業株式会社 鋼撚線の製造方法
JPS61123409U (fr) * 1985-01-19 1986-08-04
JP4580094B2 (ja) * 2000-12-04 2010-11-10 金井 宏彰 撚線機
JP4370417B2 (ja) * 2003-10-14 2009-11-25 ソニー株式会社 シールドケーブル
JP5351642B2 (ja) * 2009-02-27 2013-11-27 日立電線株式会社 ケーブル
JP5708045B2 (ja) * 2011-03-04 2015-04-30 トヨタ紡織株式会社 布材

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020007958A1 (en) * 2000-06-13 2002-01-24 Patrick Rivelli Fatigue-resistant conductive wire article
CN1421876A (zh) * 2001-11-22 2003-06-04 同济大学 多股平行绝缘螺旋形细缆线制作工艺
CN201242884Y (zh) * 2008-07-04 2009-05-20 浙江万马电缆股份有限公司 电缆用螺旋导体
CN201788731U (zh) * 2010-07-27 2011-04-06 山东科技大学 一种抗弯折导线
JP2013101823A (ja) * 2011-11-08 2013-05-23 Asahi Kasei Fibers Corp 耐屈曲ケーブル
CN203038683U (zh) * 2012-11-16 2013-07-03 深圳市金泰科环保线缆有限公司 一种新型超强的抗弯折且抗拉折的导电线

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CN110459346A (zh) 2019-11-15
JP2022509331A (ja) 2022-01-20
JP7130288B2 (ja) 2022-09-05
DE112019005457T5 (de) 2021-08-12

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