CN112712940A - 一种电动汽车充电电缆的制备方法 - Google Patents

一种电动汽车充电电缆的制备方法 Download PDF

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CN112712940A
CN112712940A CN202110008165.3A CN202110008165A CN112712940A CN 112712940 A CN112712940 A CN 112712940A CN 202110008165 A CN202110008165 A CN 202110008165A CN 112712940 A CN112712940 A CN 112712940A
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陈辉
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Lianyungang Weisheng New Energy Electric Vehicle Co Ltd
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    • H—ELECTRICITY
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    • 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
    • H01B13/06—Insulating conductors or cables
    • H01B13/14—Insulating conductors or cables by extrusion
    • H01B13/148—Selection of the insulating material therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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    • H—ELECTRICITY
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    • 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
    • H01B13/06—Insulating conductors or cables
    • H01B13/08—Insulating conductors or cables by winding
    • 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
    • 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
    • H01B13/221—Sheathing; Armouring; Screening; Applying other protective layers filling-up interstices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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    • 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
    • H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
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Abstract

本发明公开一种电动汽车充电电缆的制备方法，其特征在于，包括：步骤一：先将镀银铜线在绞线机上进行同心绞合，得到镀银铜线导体，接着通过挤出机将发泡聚全氟乙丙烯绝缘层包覆于镀银铜线导体的外部以形成电源线；步骤二：将至少两根所述电源线、至少两根所述辅助电源线、信号传输线和接地线进行星绞得到所述线芯主体；步骤三：将绝缘绕包层包覆于所述线芯主体的外部，且同时将聚丙烯填料填充于所述线芯主体与所述绝缘绕包层之间的缝隙中；步骤四：最后将外护套由包覆于所述绝缘绕包层的外部；本发明具有低衰减、高带宽等优异的电性能特性。

Description

一种电动汽车充电电缆的制备方法
技术领域
本发明涉及电缆，尤其涉及一种电动汽车充电电缆的制备方法。
背景技术
电缆通俗来讲就是由一根或多根相互绝缘的导体和外包绝缘保护层制成，将电力或信息从一处传输到另一处的导线。随着经济的快速发展，越来越多的场所需要电缆传递电力或其他信息，因此对电缆的制造也有更严格的要求。电缆外护层是电缆不可缺少的结构部分，起着保护电缆的作用，保证电缆的通电安全，让电缆芯和水，空气等介质隔绝避免出现漏电现象。电动汽车快速充电电缆长时间在户外进行工作，日常的日晒雨淋都会对电缆的使用造成影响，且在使用过程中为了保证充电效果，对电缆的抗老化、防水灯要求都是极高的，这样可以保证电动汽车的充电正常进行。
发明内容
本发明的目的是提供一种具有低衰减、高带宽等优异的电性能特性，另外该电缆的防水性能优异，可以防止室外充电桩受天气影响不能正常充电工作。
本发明的目的是这样实现的：一种电动汽车充电电缆的制备方法，其特征在于，包括：步骤一：先将镀银铜线在绞线机上进行同心绞合，得到镀银铜线导体，接着通过挤出机将发泡聚全氟乙丙烯绝缘层包覆于镀银铜线导体的外部以形成电源线；步骤二：将至少两根所述电源线、至少两根所述辅助电源线、信号传输线和接地线进行星绞得到所述线芯主体；步骤三：将绝缘绕包层包覆于所述线芯主体的外部，且同时将聚丙烯填料填充于所述线芯主体与所述绝缘绕包层之间的缝隙中；步骤四：最后将外护套由包覆于所述绝缘绕包层的外部。
作为本发明的进一步优选方案，所述聚丙烯树脂树脂100重量份，聚乙烯树脂的用量为 25-35重量份，乙烯-醋酸乙烯共聚物的用量为2-8重量份，邻苯二甲酸异癸酯的用量为2-2.5 重量份，纳米氧化钛的用量为4-7重量份。
作为本发明的进一步优选方案，所述聚丙烯树脂树脂的重均分子量为8000-10000，所述聚乙烯树脂的重均分子量20000-30000，所述乙烯-醋酸乙烯共聚物的重均分子量为 6000-8000。
作为本发明的进一步优选方案，所述熔融至少满足以下条件：熔融温度为260-270℃，熔融时间为55-70mim。
作为本发明的进一步优选方案，所述挤出成型的温度为195-300℃。
作为本发明的进一步优选方案，所述纳米氧化钛、硅酸钙、高岭土的颗粒的平均尺寸各自独立为0.6-1.1mm。
作为本发明的进一步优选方案，所述镀银铜线导体的直径为4-5mm，所述辅助电源线的单根横截面积为26-34平方毫米，所述信号传输线的单根横截面积为45-55平方毫米，所述接地线的单根横截面积为22-26平方毫米。
作为本发明的进一步优选方案，所述发泡聚全氟乙丙烯绝缘层的厚度为0.3-0.5mm；所述绝缘绕包层的厚度为0.2-0.25mm；所述外护套的厚度为4-5mm。
与现有技术相比，本发明具有的有益效果如下：本发明提供的制备方法通过各步骤以及各组件之间的协同作用使得制得的防水电动汽车充电电缆传输性能稳定，具有很好的防水性能，能够保证电缆在雨雪天气能够正常进行充电工作。
具体实施方式
一种电动汽车充电电缆的制备方法，其特征在于，包括：步骤一：先将镀银铜线在绞线机上进行同心绞合，得到镀银铜线导体，接着通过挤出机将发泡聚全氟乙丙烯绝缘层包覆于镀银铜线导体的外部以形成电源线；步骤二：将至少两根所述电源线、至少两根所述辅助电源线、信号传输线和接地线进行星绞得到所述线芯主体；步骤三：将绝缘绕包层包覆于所述线芯主体的外部，且同时将聚丙烯填料填充于所述线芯主体与所述绝缘绕包层之间的缝隙中；步骤四：最后将外护套由包覆于所述绝缘绕包层的外部。
优选地，所述聚丙烯树脂树脂100重量份，聚乙烯树脂的用量为25-35重量份，乙烯-醋酸乙烯共聚物的用量为2-8重量份，邻苯二甲酸异癸酯的用量为2-2.5重量份，纳米氧化钛的用量为4-7重量份。
优选地，所述聚丙烯树脂树脂的重均分子量为8000-10000，所述聚乙烯树脂的重均分子量20000-30000，所述乙烯-醋酸乙烯共聚物的重均分子量为6000-8000。
优选地，所述熔融至少满足以下条件：熔融温度为260-270℃，熔融时间为55-70mim。
优选地，所述挤出成型的温度为195-300℃。
优选地，所述纳米氧化钛、硅酸钙、高岭土的颗粒的平均尺寸各自独立为0.6-1.1mm。
优选地，所述镀银铜线导体的直径为4-5mm，所述辅助电源线的单根横截面积为26-34 平方毫米，所述信号传输线的单根横截面积为45-55平方毫米，所述接地线的单根横截面积为22-26平方毫米。
优选地，所述发泡聚全氟乙丙烯绝缘层的厚度为0.3-0.5mm；所述绝缘绕包层的厚度为 0.2-0.25mm；所述外护套的厚度为4-5mm。
以上所述，仅为本发明的具体实施方式，但发明的保护范围并不局限于此，任何熟悉本领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在发明的保护范围之内。

Claims (8)

1.一种电动汽车充电电缆的制备方法，其特征在于，包括：步骤一：先将镀银铜线在绞线机上进行同心绞合，得到镀银铜线导体，接着通过挤出机将发泡聚全氟乙丙烯绝缘层包覆于镀银铜线导体的外部以形成电源线；步骤二：将至少两根所述电源线、至少两根所述辅助电源线、信号传输线和接地线进行星绞得到所述线芯主体；步骤三：将绝缘绕包层包覆于所述线芯主体的外部，且同时将聚丙烯填料填充于所述线芯主体与所述绝缘绕包层之间的缝隙中；步骤四：最后将外护套由包覆于所述绝缘绕包层的外部。
2.根据权利要求1所述的制备方法，其特征在于：所述聚丙烯树脂树脂100重量份，聚乙烯树脂的用量为25-35重量份，乙烯-醋酸乙烯共聚物的用量为2-8重量份，邻苯二甲酸异癸酯的用量为2-2.5重量份，纳米氧化钛的用量为4-7重量份。
3.根据权利要求1所述的制备方法，其特征在于：所述聚丙烯树脂树脂的重均分子量为8000-10000，所述聚乙烯树脂的重均分子量20000-30000，所述乙烯-醋酸乙烯共聚物的重均分子量为6000-8000。
4.根据权利要求1-3中任意一项所述的制备方法，其中，所述熔融至少满足以下条件：熔融温度为260-270°C，熔融时间为55-70mim。
5.根据权利要求1-3中任意一项所述的制备方法，其中，所述挤出成型的温度为195-300°C。
6.根据权利要求1所述的制备方法，其中，所述纳米氧化钛、硅酸钙、高岭土的颗粒的平均尺寸各自独立为0.6-1.1mm。
7.根据权利要求1所述的制备方法，其特征在于：所述镀银铜线导体的直径为4-5mm，所述辅助电源线的单根横截面积为26-34平方毫米，所述信号传输线的单根横截面积为45-55平方毫米，所述接地线的单根横截面积为22-26平方毫米。
8.根据权利要求1所述的制备方法，其特征在于：所述发泡聚全氟乙丙烯绝缘层的厚度为0.3-0.5mm；所述绝缘绕包层的厚度为0.2-0.25mm；所述外护套的厚度为4-5mm。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107274997A (zh) * 2017-07-25 2017-10-20 芜湖乾凯材料科技有限公司 高耐候性电动汽车充电电缆及其制备方法
CN206649924U (zh) * 2017-04-24 2017-11-17 四川川东电缆有限责任公司 一种电动汽车直流充电电缆
CN107359010A (zh) * 2017-07-25 2017-11-17 芜湖乾凯材料科技有限公司 防水电动汽车充电电缆及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206649924U (zh) * 2017-04-24 2017-11-17 四川川东电缆有限责任公司 一种电动汽车直流充电电缆
CN107274997A (zh) * 2017-07-25 2017-10-20 芜湖乾凯材料科技有限公司 高耐候性电动汽车充电电缆及其制备方法
CN107359010A (zh) * 2017-07-25 2017-11-17 芜湖乾凯材料科技有限公司 防水电动汽车充电电缆及其制备方法

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