Title:
HIGH-VOLTAGE PROTECTION SYSTEM FOR INTERNAL COMBUSTION LOCOMOTIVE
Document Type and Number:
WIPO Patent Application WO/2021/068363
Kind Code:
A1
Abstract:
A high-voltage protection system for an internal combustion locomotive. The system comprises a control unit, a bus voltage detection circuit, a triple discharge loop, and a cabinet door state detection circuit, wherein the triple discharge loop also comprises a chopper discharge loop, a slow discharge loop and a manual discharge loop; and all the circuits are integrated in a traction-auxiliary converter. The high-voltage protection system for an internal combustion locomotive can realize comprehensive protection functions, such as high-voltage electric appliance cabinet power-on warning, automatic shutdown once a door is opened, and automatic discharge in the case of shutdown, effectively reduces the possibility of high-voltage injury accidents, and safeguards personal and property safety to the maximum extent.
Inventors:
LIU ZHUN (CN)
XI DAIQI (CN)
YANG HUILAN (CN)
WANG WUJUN (CN)
CHAI YUAN (CN)
HAN JIANNING (CN)
LV XINQIANG (CN)
XI DAIQI (CN)
YANG HUILAN (CN)
WANG WUJUN (CN)
CHAI YUAN (CN)
HAN JIANNING (CN)
LV XINQIANG (CN)
Application Number:
PCT/CN2019/119864
Publication Date:
April 15, 2021
Filing Date:
November 21, 2019
Export Citation:
Assignee:
CRRC YONGJI ELECTRIC CO LTD (CN)
International Classes:
H02H9/04; G01R19/00; H02H5/00
Foreign References:
| CN206609923U | 2017-11-03 | |||
| CN2269672Y | 1997-12-03 | |||
| CN201946978U | 2011-08-24 | |||
| US20150346288A1 | 2015-12-03 | |||
| JP2009022156A | 2009-01-29 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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