Title:
HIGH-VOLTAGE ELECTRICAL BOX
Document Type and Number:
WIPO Patent Application WO/2023/065529
Kind Code:
A1
Abstract:
A high-voltage electrical box (1), comprising: a box body (10); and an inherent part (101) and a reserved part (102) provided in the box body (10). The inherent part (101) comprises a three-position switch; when the train is running, the three-position switch works at a first position; when a pantograph of the train is in a normal state, a circuit comprised in the inherent part (101) is divided into a traction branch and an auxiliary branch; the traction branch is used for supplying power to a traction unit on the train; the auxiliary branch is used for supply power to an auxiliary unit on the train; an external connection line of the reserved part (102) is completed; after a corresponding electrical component is mounted in the reserved part (102), it forms an emergency branch together with some electrical components in the traction branch; the emergency branch is used for supplying emergency power to the traction unit on the train when the pantograph of the train fails.
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Inventors:
LEI SHUTIAN (CN)
PEI JIANHONG (CN)
MA DANPING (CN)
PEI JIANHONG (CN)
MA DANPING (CN)
Application Number:
PCT/CN2021/142070
Publication Date:
April 27, 2023
Filing Date:
December 28, 2021
Export Citation:
Assignee:
CRRC YONGJI ELECTRIC CO LTD (CN)
International Classes:
B60L9/00; B60L1/00; H02B1/18; H02B1/46; H02J9/06
Foreign References:
| CN110228372A | 2019-09-13 | |||
| CN111071057A | 2020-04-28 | |||
| CN104901170A | 2015-09-09 | |||
| RU201878U1 | 2021-01-19 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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