CN107195358A - 一种直流电动汽车充电阻水电缆 - Google Patents
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Abstract
本发明所述的一种直流电动汽车充电阻水电缆，包括缆芯，所述的缆芯由充电连接确认通信线、直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线绞合而成；在缆芯的空隙处填充阻水油膏，在缆芯外绕包半导电双面阻水带，在半导电双面阻水带外挤包聚氨酯泡沫塑料管，在聚氨酯泡沫塑料管外涂覆防鼠防蚁涂料。本发明具有阻水性好、耐高低温、耐酸碱腐蚀、防紫外线、防碾压、踩踏、防开裂、防鼠防蚁啃咬等特性。
Description
技术领域
本发明涉及电力电缆领域，具体是一种直流电动汽车充电阻水电缆。
背景技术
当今世界各地能源紧缺、环境污染愈发严重，各国大力倡导节能减排，借此电动汽车得到了快速发展。电动汽车充电电缆是电动汽车重要的传输线，吸引了各大电缆生产厂家的关注，纷纷着手研发。本公司在研制该电缆时，主要根据电动汽车充电电缆的工作要求以及使用环境，并结合GB /T 18487、UL 62、UL 62 CＲD、TV 2Pfg /1908. 02. 11 等相关的标准进行的［1-3］。电动汽车充电电缆主要用于公路服务区、停车场、购物中心等一些公共场合的充电站，在使用过程中长期经受恶劣环境的侵蚀，因此电缆应具有机械性能高、信号和电能传输稳定、耐高低温、耐酸碱腐蚀、防紫外线等性能。电动汽车充电连接装置有交流充电接口和直流充电接口，因此电缆应具有直流电动汽车充电和交流电动汽车充电两种规格，以满足实际需求。
现有技术中，使用以下结构，此结构在消费者使用过程中拖拽、摇晃、碾压、踩踏时，因电缆身自重较重，每条电缆芯均受力，易造成0.75平方控制电缆和开关电缆断裂，失去保护装置，造成重大事故。另外，因该电缆属于柔性电缆，外被均比较柔软，外被抗拉强度均为10Mpa左右（软材料无法提高），消费者拖拽过程中，外被因抗拉强度较小，电缆外被受伤处易发生撕裂状况，造成事故；另外，此种电缆要具有很强的阻水性能，因为一旦发生漏电，后果不堪设想；还有，目前的电缆在防鼠防蚁啃咬这块做的还不够，一旦此电缆本破坏，电缆就容易漏电，导致人员伤亡的风险。
发明内容
本发明电缆解决的技术问题是提供一种直流电动汽车充电阻水电缆，具有阻水性好、耐高低温、耐酸碱腐蚀、防紫外线、防碾压、踩踏、防开裂、防鼠防蚁啃咬等特性。
本发明所述的一种直流电动汽车充电阻水电缆，包括缆芯，所述的缆芯由充电连接确认通信线、直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线绞合而成；在缆芯的空隙处填充阻水油膏，在缆芯外绕包半导电双面阻水带，在半导电双面阻水带外挤包聚氨酯泡沫塑料管，在聚氨酯泡沫塑料管外涂覆防虫防蚁涂料。
进一步改进，所述的充电连接确认通信线由充电通信正极导体、充电通信负极导体、充电连接确认导体一、充电连接确认导体二，挤包在四根导体外的阻水带、挤包在阻水带外的绝缘层以及编织在绝缘层外的铝屏蔽层构成。
进一步改进，所述的直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线的结构相同，均由导体以及挤包在导体外的绝缘层构成。
进一步改进，所述的绝缘层为茂金属EPM 聚合物与含EPDM 聚合物的二烯的共混物混合而成的胶料绝缘层。
进一步改进，所述直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线的横截面大小之比为6:6:3:3:4。
本发明的有益效果：
1、为使电缆具有优良的弯曲性能、耐腐蚀性以及传输性能，导体采用了退火绞合镀锡软铜线，其性能符合GB /T3956 的5 类导体。
2、为使电缆具有耐高低温、耐酸碱腐蚀、防紫外线等性能，绝缘层为茂金属EPM 聚合物与含EPDM 聚合物的二烯的共混物混合而成的胶料绝缘层，具有优良的电气绝缘性、耐臭氧、耐低温、耐化学腐蚀等性能。
3、为了使得电缆具有强大的阻水性能，电缆从内到外设有三层阻水结构，不会因为通电时有水导致漏电，给人带来生命危险。
4、电缆的最外层设有聚氨酯泡沫塑料管，为充电电缆解决了：1）电缆在受外力拖拽过程中，电缆外被受伤，易发生撕裂状况的问题；2）电缆在长期使用中发生弯折、摇晃，外被疲劳度不够，变形开裂问题；3）充电枪电缆易受到汽车碾压、踩踏等，在一定限度上易发生外被破裂状况。
5、在电缆的外层涂有防鼠防蚁涂料，解决了电缆被鼠蚁啃咬的问题，更好的保护了电缆的使用寿命，增加了电缆的安全性能。
附图说明
图1为本发明的结构示意图。
具体实施方式
下面结合附图和具体实施例，进一步阐明本发明，应理解这些实施例仅用于说明本发明而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等价形式的修改均落于本申请所附权利要求所限定的范围。
如图1所示，本发明提供一种直流电动汽车充电阻水电缆，包括缆芯，所述的缆芯由充电连接确认通信线、直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线绞合而成；在缆芯的空隙处填充阻水油膏9，在缆芯外绕包半导电双面阻水带10，在半导电双面阻水带外挤包聚氨酯泡沫塑料管11，在聚氨酯泡沫塑料管外涂覆防鼠防蚁涂料12。
所述的充电连接确认通信线由充电通信正极镀锡软铜导体1、充电通信负极镀锡软铜导体2、充电连接确认镀锡软铜导体一3、充电连接确认镀锡软铜导体二4，挤包在四根导体外的阻水带5、挤包在阻水带外的绝缘层6以及编织在绝缘层外的铝屏蔽层7构成。
所述的直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线的结构相同，均由镀锡软铜导体8以及挤包在镀锡软铜导体外的绝缘层6构成。
所述的绝缘层为茂金属EPM 聚合物与含EPDM 聚合物的二烯的共混物混合而成的胶料绝缘层。
本发明具体应用途径很多，以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以作出若干改进，这些改进也应视为本发明的保护范围。
Claims (5)
1.一种直流电动汽车充电阻水电缆，其特征在于：包括缆芯，所述的缆芯由充电连接确认通信线、直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线绞合而成；在缆芯的空隙处填充阻水油膏，在缆芯外绕包半导电双面阻水带，在半导电双面阻水带外挤包聚氨酯泡沫塑料管，在聚氨酯泡沫塑料管外涂覆防鼠防蚁涂料。
2.根据权利要求1所述的直流电动汽车充电阻水电缆，其特征在于，所述充电连接确认通信线由充电通信正极镀锡软铜导体、充电通信负极镀锡软铜导体、充电连接确认镀锡软铜导体一、充电连接确认镀锡软铜导体二，挤包在四根导体外的阻水带、挤包在阻水带外的绝缘层以及编织在绝缘层外的铝屏蔽层构成。
3.根据权利要求1所述的直流电动汽车充电阻水电缆，其特征在于，所述直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线的结构相同，均由镀锡软铜导体以及挤包在镀锡软铜导体外的绝缘层构成。
4.根据权利要求2-3所述的直流电动汽车充电阻水电缆，其特征在于，所述绝缘层为茂金属EPM 聚合物与含EPDM 聚合物的二烯的共混物混合而成的胶料绝缘层。
5.根据权利要求1所述的直流电动汽车充电阻水电缆，其特征在于，所述直流正极电源线、直流负极电源线、低压辅助正极电源线、低压辅助负极电源线以及接地保护线的横截面大小之比为6:6:3:3:4。
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