Direct-current charging contactor, ultrahigh-voltage electric vehicle and power battery charging method

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Direct-current charging contactor, ultrahigh-voltage electric vehicle and power battery charging method

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ZHOU LIN / WANG LUXI / LI JUN / YANG XIN

The embodiment of the invention provides a direct-current charging contactor which comprises a first switch, a first pull-in coil, a first insulator, a second switch, a third switch, a second pull-in coil, a second insulator, a fourth switch, a first node, a second node and a third node; the first insulator penetrates through the first pull-in coil, and the second insulator penetrates through the second pull-in coil; one end of the first insulator is fixedly connected with a contact of the first switch, and the other end of the first insulator is fixedly connected with a contact of the second switch; one end of the second insulator is fixedly connected with a contact of the third switch, and the other end of the second insulator is fixedly connected with a contact of the fourth switch; the first end of the first switch and the first end of the second switch are electrically connected with the first node; the first end of the third switch and the first end of the fourth switch are electrically connected with the second node; and the second end of the second switch and the second end of the third switch are electrically connected with the third node, so that a charging cabinet can directly charge an ultrahigh-voltage electric vehicle.

本发明实施例提供的一种直流充电接触器，包括：第一开关、第一吸合线圈，第一绝缘体、第二开关、第三开关、第二吸合线圈、第二绝缘体、第四开关，第一节点、第二节点和第三节点；第一绝缘体穿过第一吸合线圈，第二绝缘体穿过第二吸合线圈；第一绝缘体的一端与第一开关的触头固定连接，第一绝缘体的另一端与第二开关的触头固定连接；第二绝缘体的一端与第三开关的触头固定连接，第二绝缘体的另一端与第四开关的触头固定连接；第一开关的第一端、第二开关的第一端分别和第一节点电连接；第三开关的第一端、第四开关的第一端分别和第二节点电连接；第二开关的第二端、第三开关的第二端分别和第三节点电连接，使得充电柜能够直接给超高压电动车充电。