Title:
DEGASSING DEVICE, DEGASSING MONITORING SYSTEM AND DEGASSING MONITORING METHOD FOR FLEXIBLE JOINT OF HIGH-VOLTAGE DIRECT CURRENT SUBMARINE CABLE
Document Type and Number:
WIPO Patent Application WO/2022/237075
Kind Code:
A1
Abstract:
Disclosed in the present invention are a degassing device, a degassing monitoring system and a degassing monitoring method for a flexible joint of a high-voltage direct current submarine cable. In the degassing device, a degassing cavity for placing the flexible joint is provided in a housing, and a vacuum pump interface, an exhaust port and two cable interfaces are provided on the housing, such that the flexible joint is placed in the degassing cavity of the housing by means of the cable interfaces; and a heating module is arranged at the bottom of the housing, a measurement end of a temperature measurement module is arranged in the housing, a pressure measurement module is arranged outside the housing, and a controller is arranged to be connected to the heating module, such that the cable flexible joint can be degassed at a preset temperature and pressure value, then separate degassing treatment is performed on the flexible joint, which can avoid the problem of an unsatisfactory degassing effect of the cable flexible joint due to the simultaneous degassing treatment of the flexible joint and a cable in a degassing chamber under an identical degassing condition.
Inventors:
HOU SHUAI (CN)
FU MINGLI (CN)
ZHANG YIFAN (CN)
LI XIAOLIN (CN)
HUI BAOJUN (CN)
ZHU WENBO (CN)
FENG BIN (CN)
WANG QINGHONG (CN)
FU MINGLI (CN)
ZHANG YIFAN (CN)
LI XIAOLIN (CN)
HUI BAOJUN (CN)
ZHU WENBO (CN)
FENG BIN (CN)
WANG QINGHONG (CN)
Application Number:
PCT/CN2021/125263
Publication Date:
November 17, 2022
Filing Date:
October 21, 2021
Export Citation:
Assignee:
ELECTRIC POWER RES INSTITUTE CHINA SOUTHERN POWER GRID (CN)
International Classes:
H02G1/14
Foreign References:
| CN113346415A | 2021-09-03 | |||
| CN215185555U | 2021-12-14 | |||
| CN105548825A | 2016-05-04 | |||
| CN112462204A | 2021-03-09 | |||
| CN201438395U | 2010-04-14 | |||
| EP2983176A1 | 2016-02-10 | |||
| CN108593791A | 2018-09-28 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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