Title:
CORE MEMBER, WITH COOLING LIQUID PASSAGE, FOR CHARGING GUN, AND PLUG AND CHARGING GUN
Document Type and Number:
WIPO Patent Application WO/2020/239145
Kind Code:
A2
Abstract:
Disclosed is a core member, with a cooling liquid passage, for a charging gun. The core member comprises a core member body internally provided with a cavity, wherein a tail end of the core member body is a liquid-cooled cable connecting end in communication with the cavity of the core member body; a lateral portion of the core member body is provided with a connector, and the connector is in communication with the cavity of the core member body; the cavity of the core member body is internally provided with a detachable flow guide member; the flow guide member is internally provided with a cooling liquid passage; one end of the cooling liquid passage is in communication with the connector, and the other end thereof leads to the interior of a head end of the core member body; and there is a gap between an outer wall of the flow guide member and an inner wall of the core member body. Further disclosed are a plug and a charging gun, which use the core member. The present invention can solve the problem of heat generation and gathering at a contact position between the core member body of the charging gun and a socket, and can take away heat emitted from the contact position, such that the present invention bears a larger current, is simple to manufacture, requires no special technology and tooling, saves on costs, and is suitable for mass production.
Inventors:
CHEN PENGCHENG (CN)
ZHOU HONGBIN (CN)
ZHOU HONGBIN (CN)
Application Number:
PCT/CN2020/105368
Publication Date:
December 03, 2020
Filing Date:
July 29, 2020
Export Citation:
Assignee:
NANJING KANGNI MECHANICAL & ELECTRICAL CO LTD (CN)
International Classes:
B60L53/302; B60L53/16; H01R13/04
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
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