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:
A3
Abstract:
A core member, with a cooling liquid passage, for a charging gun, and a plug and a charging gun. The core member comprises a core member body (1) internally provided with a cavity, wherein a tail end of the core member body (1) is a liquid-cooled cable connecting end (11) in communication with the cavity of the core member body; a lateral portion of the core member body (1) is provided with a connector (2), and the connector (2) is in communication with the cavity of the core member body (1); the cavity of the core member body (1) is internally provided with a detachable flow guide member (4); the flow guide member (4) is internally provided with a cooling liquid passage (41); one end of the cooling liquid passage (41) is in communication with the connector (2), and the other end thereof leads to the interior of a head end of the core member body (1); and there is a gap between an outer wall of the flow guide member (4) and an inner wall of the core member body (1). The core member can solve the problem of heat generation and gathering at a contact position between the core member body (1) 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:
January 14, 2021
Filing Date:
July 29, 2020
Export Citation:
Assignee:
NANJING KANGNI MECHANICAL & ELECTRICAL CO LTD (CN)
International Classes:
B60L53/302; B60L53/16; H01R13/04
Foreign References:
| CN110077258A | 2019-08-02 | |||
| CN210082968U | 2020-02-18 | |||
| CN107317145A | 2017-11-03 | |||
| CN107317145A | 2017-11-03 | |||
| CN109177783A | 2019-01-11 | |||
| CN107681314A | 2018-02-09 | |||
| CN207416561U | 2018-05-29 | |||
| US8454377B2 | 2013-06-04 | |||
| DE102018125835A1 | 2019-04-25 |
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM (ORDINARY PARTNERSHIP) (CN)
Download PDF: