WO2023179034A1 - 一种绝缘性良好的绞线 - Google Patents

一种绝缘性良好的绞线 Download PDF

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Publication number
WO2023179034A1
WO2023179034A1 PCT/CN2022/129342 CN2022129342W WO2023179034A1 WO 2023179034 A1 WO2023179034 A1 WO 2023179034A1 CN 2022129342 W CN2022129342 W CN 2022129342W WO 2023179034 A1 WO2023179034 A1 WO 2023179034A1
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layer
copper conductors
stranded wire
self
insulation
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PCT/CN2022/129342
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English (en)
French (fr)
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洪性仁
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洪性仁
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Priority to US17/983,790 priority Critical patent/US20230298781A1/en
Publication of WO2023179034A1 publication Critical patent/WO2023179034A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/56—Insulating bodies
    • H01B17/58—Tubes, sleeves, beads, or bobbins through which the conductor passes
    • 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
    • H01B5/08—Several wires or the like stranded in the form of a rope
    • 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
    • H01B7/02—Disposition of insulation

Definitions

  • the present application relates to the technical field of wires, and more specifically, to a stranded wire with good insulation.
  • Enameled wire is a main type of winding wire. It is mainly composed of a conductor and an insulating layer. After the bare wire is annealed and softened, it is painted and baked multiple times. However, it is not easy to produce products that meet both standard requirements and customer requirements. It is affected by raw material quality, process parameters, production equipment, environment and other factors. Therefore, the quality characteristics of various enameled wires are different, but they all have Four major properties: mechanical properties, chemical properties, electrical properties, and thermal properties.
  • the first type a single strand of enameled wire is coated with a self-adhesive layer and then twisted. Its disadvantages are:
  • the self-adhesive layer is thin and the adhesion between the strands is low.
  • the second type enameled stranded wire twisted around self-adhesive wire. Its disadvantages are:
  • the thickness of the self-adhesive wire is relatively large and cannot be easily adjusted, causing the diameter of the overall stranded wire to be too large;
  • the surface of the self-adhesive wire is not smooth, and the product appearance quality is poor;
  • Self-adhesive wire is difficult to melt, soldering is difficult and contains a large amount of residue.
  • the production cost of self-adhesive wire covering the stranded wire is high;
  • the third type the enameled stranded wire is fully covered with a self-adhesive layer:
  • the cost of covering the stranded wire with a self-adhesive layer is high.
  • the purpose of this application is to provide a stranded wire with good insulation, which has the advantages of good insulation, high yield rate and long service life.
  • a stranded wire with good insulation including a plurality of first copper conductors and a plurality of second copper conductors, and the plurality of first copper conductors are covered There is a first insulating layer, a first self-adhesive layer and a first lubricating layer from the inside to the outside.
  • the plurality of second copper conductors are covered with a second insulating layer and a second lubricating layer from the inside to the outside.
  • the stranded wire body composed of the first copper conductor and a plurality of the second copper conductors is provided with a heat shrinkable insulating sleeve, and the heat shrinkable insulating sleeve is provided with a third insulating layer and a second self-adhesive layer from the inside to the outside. and a third lubrication layer.
  • first copper conductors and multiple second copper conductors are twisted with each other to form a twisted wire body. Since the first copper conductors and the second copper conductors are respectively covered with first
  • the insulating layer and the second insulating layer utilize the arrangement of the first insulating layer and the second insulating layer to improve the insulation properties within the stranded wire body, and use the first lubricating layer and the second lubricating layer to facilitate improving the first copper conductor before shaping.
  • the second copper conductors, and use the first self-adhesive layer to tightly adhere the plurality of first copper conductors and the plurality of second copper conductors together, thereby reducing the diameter of the twisted wire body and avoiding twisting. Excess space inside the line body;
  • the outer shell of the stranded wire body is equipped with a heat shrinkable insulation sleeve.
  • the first self-adhesive layer provided in the heat shrinkable insulation layer can effectively adhere part of the first copper conductor and part of the second copper conductor to achieve the adhesion of the copper conductor inside the stranded wire body. It is adhered and fixed, and the third insulating layer is used for further insulation treatment, and the third lubricating layer ensures the lubricity of the surface of the insulating sleeve.
  • Figure 1 is a cross-sectional view of an embodiment of the present application.
  • First copper conductor 1-1, first insulating layer; 1-2, first self-adhesive layer; 1-3, first lubricating layer; 2.
  • a component when referred to as being “fixed to” or “disposed on” another component, it can be directly on the other component or indirectly on the other component.
  • a component When a component is referred to as being “connected to” another component, it may be directly or indirectly connected to the other component.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • plurality means two or more than two, unless otherwise explicitly and specifically limited.
  • a well-insulated stranded wire includes a plurality of first copper conductors 1 and a plurality of second copper conductors 2.
  • the plurality of first copper conductors 1 are covered with first copper conductors from the inside to the outside.
  • the plurality of second copper conductors 2 are covered with the second insulating layer 2-1 and the second lubricating layer from the inside to the outside.
  • Layer 2-2 the stranded wire body composed of a plurality of first copper conductors 1 and a plurality of second copper conductors 2 is covered with a heat shrinkable insulating sleeve 3, and the heat shrinkable insulating sleeve 3 is arranged sequentially from the inside to the outside.
  • a third insulating layer 3-1, a second self-adhesive layer 3-2 and a third lubricating layer 3-3 are provided.
  • adjacent copper conductors that is, multiple first copper conductors 1 and multiple second copper conductors 2 are twisted with each other to form a twisted wire body. Since the first copper conductors 1 and the second copper conductors 2 are respectively Covered with a first insulating layer 1-1 and a second insulating layer 2-1, the arrangement of the first insulating layer 1-1 and the second insulating layer 2-1 is used to improve the insulation properties of the stranded wire body, and with the help of The first lubricating layer 1-3 and the second lubricating layer 2-2 facilitate the mobility between the first copper conductor 1 and the second copper conductor 2 before shaping, and use the first self-adhesive layer 1-2 to connect multiple first The copper conductor 1 and the plurality of second copper conductors 2 are tightly adhered together to reduce the diameter of the twisted wire body and avoid excess internal space of the twisted wire body;
  • the stranded wire body is provided with a heat shrinkable insulating sleeve 3.
  • the first self-adhesive layer 1-2 provided in the heat shrinkable insulating layer can effectively adhere part of the first copper conductor 1 and part of the second copper conductor 2 to realize the stranded wire body.
  • the internal copper conductor is adhered and fixed, and the heat-shrinkable insulation layer can improve pinhole defects.
  • the third insulation layer 3-1 is used for further insulation treatment, and the third lubrication layer 3-3 ensures the lubricity of the surface of the insulation sleeve.
  • the first insulation layer 1-1, the second insulation layer 2-1 and the third insulation layer 3-1 are all made of sleeves made of heat shrinkable materials. During production, they can be preheated and shrunk, and are harmless to the environment and human body. In order to further reduce the diameter of the stranded wire body and the diameter of the first copper conductor 1, it is possible to ensure that the stranded wire has a certain hardness and at the same time has toughness.
  • the improved stranded wire with good insulation in this embodiment is also called self-adhesive enameled multi-stranded copper wire, and is also called Qi Self Bonding Wire. It has a multi-layer insulation mechanism. For traditional USW wires, corresponding experimental reference has been made:

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  • Insulated Conductors (AREA)

Abstract

本申请涉及线条技术领域，更具体地说，它涉及一种绝缘性良好的绞线，包括多根第一铜导体和多根第二铜导体，多根所述第一铜导体外包覆有由内至外的第一绝缘层、第一自粘层以及第一润滑层，多根所述第二铜导体由内至外包覆有第二绝缘层和第二润滑层，多根所述第一铜导体和多根所述第二铜导体构成的绞线本体外套设有热收缩绝缘套，所述热收缩绝缘套由内至外依次设置有第三绝缘层、第二自粘层以及第三润滑层。本申请具有绝缘性好、良品率高以及使用寿命长的优点。

Description

一种绝缘性良好的绞线 技术领域
本申请涉及线条技术领域，更具体地说，它涉及一种绝缘性良好的绞线。
背景技术
漆包线是绕组线的一个主要品种，主要由导体和绝缘层两部组成，裸线经退火软化后，再经过多次涂漆，烘焙而成。但要生产出既符合标准要求，又满足客户要求的产品并不容易，它受原材料质量，工艺参数，生产设备，环境等因素影响，因此，各种漆包线的质量特性各不相同，但都具备机械性能，化学性能，电性能，热性能四大性能。
目前漆包线的生产方式只要由三种生产方式为主导
第一种：单股漆包线涂覆自粘层然后绞合而成，其缺点为：
1、针孔不良存在；
2、自粘层薄，绞线之间的粘结度低。
第二种：漆包绞线歪缠绕自粘丝，其缺点为：
1、针孔不良存在；
2、自粘丝厚度较大且无法轻易调整，造成整体绞线的直径偏大；
3、自粘丝的表面不光滑，产品外观质量差；
4、自粘丝难于熔化，锡焊困难且有大量残渣。
5、绞线外包覆自粘丝的生产成本高；
第三种：漆包绞线外整体包覆自粘层为：
1、针孔不良存在；
2、绞线外包覆自粘层成本高。
实用新型内容
针对上述现有技术的不足，本申请的目的是提供一种绝缘性良好的绞线，具有绝缘性好、良品率高以及使用寿命长的优点。
本申请的上述技术目的是通过以下技术方案得以实现的：一种绝缘性良好的绞线，包括多根第一铜导体和多根第二铜导体，多根所述第一铜导体外包覆有由内至外的第一绝缘层、第一自粘层以及第一润滑层，多根所述第二铜导体由内至外包覆有第二绝缘层和第二润滑层，多根所述第一铜导体和多根所述第二铜导体构成的绞线本体外套设有热收缩绝缘套，所述热收缩绝缘套由内至外依次设置有第三绝缘层、第二自粘层以及第三润滑层。
综上所述，本申请具有的有益效果：
1、相邻铜导体之间，即多根第一铜导体和多根第二铜导体之间相互绞合构成绞线本体，由于第一铜导体和第二铜导体外分别包覆有第一绝缘层和第二绝缘层，利用第一绝缘层和第二绝缘层的设置，以此提升绞线本体内绝缘属性，且借助第一润滑层和第二润滑层便于定型之前提高第一铜导体和第二铜导体之间的活动性，并利用第一自粘层将多根第一铜导体和多根第二铜导体紧密粘粘在一起，以此减小绞线本体的直径，避免绞线本体内部空间的多余；
2、绞线本体外套设有热收缩绝缘套，通过热收缩绝缘层内设置的第一自粘层能够有效粘粘部分第一铜导体和部分第二铜导体，实现绞线本体内部铜导体粘粘和固定，且利用第三绝缘层做进一步绝缘处理，加之第三润滑层保证绝缘套表面的润滑性。
附图说明
图1是本申请实施例的截面剖视图。
附图标记：1、第一铜导体；1-1、第一绝缘层；1-2、第一自粘层；1-3、第一润滑层；2、第二铜导体；2-1、第二绝缘层；2-2、第二润滑层；3、热收缩绝缘套；3-1、第三绝缘层；3-2、第二自粘层；3-3、第三润滑层。
具体实施方式
为了使本申请所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所 描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需说明的是，当部件被称为“固定于”或“设置于”另一个部件，它可以直接在另一个部件上或者间接在该另一个部件上。当一个部件被称为是“连接于”另一个部件，它可以是直接或者间接连接至该另一个部件上。
需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
一种绝缘性良好的绞线，参见图1，包括多根第一铜导体1和多根第二铜导体2，多根所述第一铜导体1外包覆有由内至外的第一绝缘层1-1、第一自粘层1-2以及第一润滑层1-3，多根所述第二铜导体2由内至外包覆有第二绝缘层2-1和第二润滑层2-2，多根所述第一铜导体1和多根所述第二铜导体2构成的绞线本体外套设有热收缩绝缘套3，所述热收缩绝缘套3由内至外依次设置有第三绝缘层3-1、第二自粘层3-2以及第三润滑层3-3。
本实施例相邻铜导体之间，即多根第一铜导体1和多根第二铜导体2之间相互绞合构成绞线本体，由于第一铜导体1和第二铜导体2外分别包覆有第一绝缘层1-1和第二绝缘层2-1，利用第一绝缘层1-1和第二绝缘层2-1的设置，以此提升绞线本体内绝缘属性，且借助第一润滑层1-3和第二润滑层2-2便于定型之前第一铜导体1和第二铜导体2之间的活动性，并利用第一自 粘层1-2将多根第一铜导体1和多根第二铜导体2紧密粘粘在一起，以此减小绞线本体的直径，避免绞线本体内部空间的多余；
绞线本体外套设有热收缩绝缘套3，通过热收缩绝缘层内设置的第一自粘层1-2能够有效粘粘部分第一铜导体1和部分第二铜导体2，实现绞线本体内部铜导体粘粘和固定，热收缩绝缘层且能够改善针孔不良，并利用第三绝缘层3-1做进一步绝缘处理，加之第三润滑层3-3保证绝缘套表面的润滑性。
其中所述第一绝缘层1-1、第二绝缘层2-1以及第三绝缘层3-1均采用热收缩材料制成的套管，生产中，能够预热收缩，对环境和人体无害，进一步缩小绞线本体的直径和第一铜导体1的直径，以此在保证绞线具备一定硬度的同时，兼具韧性。
本实施例改良的绝缘性良好的绞线也叫自黏漆包多股铜线，同时也叫Qi Self Bonding Wire，具有多层绝缘机构，针对传统的USW电线，做了相对应的实验参照：
Figure PCTCN2022129342-appb-000001
上述实施例仅仅是对本申请的解释，其并不是对本申请的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本申请的权利要求范围内都受到专利法的保护。

Claims (1)

  1. 一种绝缘性良好的绞线，其特征是：包括多根第一铜导体和多根第二铜导体；
    多根所述第一铜导体外包覆有由内至外的第一绝缘层、第一自粘层以及第一润滑层；
    多根所述第二铜导体由内至外包覆有第二绝缘层和第二润滑层；
    多根所述第一铜导体和多根所述第二铜导体构成的绞线本体外套设有热收缩绝缘套，所述热收缩绝缘套由内至外依次设置有第三绝缘层、第二自粘层以及第三润滑层。
PCT/CN2022/129342 2022-03-19 2022-11-02 一种绝缘性良好的绞线 WO2023179034A1 (zh)

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CN216871608U (zh) * 2022-03-19 2022-07-01 洪性仁 一种绝缘性良好的绞线

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07134914A (ja) * 1993-11-12 1995-05-23 Showa Electric Wire & Cable Co Ltd 自己潤滑性絶縁電線
CN2641770Y (zh) * 2003-08-15 2004-09-15 东莞泽龙线缆有限公司 热粘合直焊特厚复合漆包铜绞线
CN201946347U (zh) * 2011-03-22 2011-08-24 诚信漆包线（惠州）有限公司 具有自粘性的绞线
CN203552722U (zh) * 2013-09-24 2014-04-16 杭州益利素勒精线有限公司 整体包覆自粘层的绞线
CN212647901U (zh) * 2020-09-03 2021-03-02 东莞市华冶线缆科技有限公司 一种热风利兹线
CN216871608U (zh) * 2022-03-19 2022-07-01 洪性仁 一种绝缘性良好的绞线

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07134914A (ja) * 1993-11-12 1995-05-23 Showa Electric Wire & Cable Co Ltd 自己潤滑性絶縁電線
CN2641770Y (zh) * 2003-08-15 2004-09-15 东莞泽龙线缆有限公司 热粘合直焊特厚复合漆包铜绞线
CN201946347U (zh) * 2011-03-22 2011-08-24 诚信漆包线（惠州）有限公司 具有自粘性的绞线
CN203552722U (zh) * 2013-09-24 2014-04-16 杭州益利素勒精线有限公司 整体包覆自粘层的绞线
CN212647901U (zh) * 2020-09-03 2021-03-02 东莞市华冶线缆科技有限公司 一种热风利兹线
CN216871608U (zh) * 2022-03-19 2022-07-01 洪性仁 一种绝缘性良好的绞线

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