Title:
JOINT OF COPPER TERMINAL AND ALUMINIUM CONDUCTOR AND PLASMA WELDING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2018/223887
Kind Code:
A1
Abstract:
Provided is a joint of a copper terminal and an aluminium conductor. A copper terminal connecting member of the joint is connected to a conductive core of the aluminium conductor by means of a transition welding layer, and the joint can also be provided with a reinforcing welding layer. Further provided is a method for preparing the joint using plasma arc welding. According to the invention, the connection portion of the copper terminal with the aluminium conductor is filled with solder in a plasma arc welding manner, such that copper and aluminium are connected by means of the solder. Damage to an aluminium oxide layer during welding increases the conductivity and can also isolate the copper terminal and the aluminium conductor, thus preventing an electrochemical reaction between the copper and the aluminium, prolonging the service life of the joint of the copper terminal and the aluminium conductor, and ensuring the mechanical and electrical performances of the connection structure.
Inventors:
WANG CHAO (CN)
Application Number:
PCT/CN2018/089209
Publication Date:
December 13, 2018
Filing Date:
May 31, 2018
Export Citation:
Assignee:
JILIN ZHONG YING HIGH TECH CO LTD (CN)
International Classes:
H01R4/62; H01R43/02
Foreign References:
| US20060292922A1 | 2006-12-28 | |||
| CN107123866A | 2017-09-01 | |||
| CN206962034U | 2018-02-02 | |||
| CN107342466A | 2017-11-10 | |||
| CN106207499A | 2016-12-07 | |||
| CN104201535A | 2014-12-10 |
Other References:
See also references of EP 3637550A4
Attorney, Agent or Firm:
GUANGDONG QIZENGHAO LAW FIRM (CN)
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