ALARM CONTROL CIRCUIT SUITABLE FOR FAULT GUIDING SAFETY OF URBAN RAIL SUBWAY VEHICLE

WIPO Patent Application WO/2023/168935

A1

The present invention relates to the technical field of urban rail subway vehicles, and in particular to an alarm control circuit suitable for fault guiding safety of an urban rail subway vehicle, comprising a driver controller main handle alarm switch. A second console diode terminal strip is connected to one end of the driver controller main handle alarm switch, and a zero-speed relay, a second power-off delay action alarm relay contact, and a fourth power-off delay action alarm relay contact are connected to the other end of the driver controller main handle alarm switch; an alarm test button is connected to the other end of the zero-speed relay; and the end of the alarm test button away from the zero-speed relay is connected to the second console diode terminal strip. According to the present invention, existing alarm control logic is optimized and existing shortages are eliminated, such that an alarm function is greatly and flexibly applied. Operation safety of the vehicle is ensured to a great extent while the operation of the vehicle is ensured.

LI YU (CN)
ZHANG ZHE (CN)
WEI LIN (CN)
WU YINGSHUAI (CN)
ZHANG XIAOLIANG (CN)
WANG ERWEI (CN)
YIN ZHIYONG (CN)

PCT/CN2022/123468

September 14, 2023

September 30, 2022

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CRRC DALIAN CO LTD (CN)

B60L15/00

CN114407974A	2022-04-29
CN111223348A	2020-06-02
CN109109851A	2019-01-01
CN108909772A	2018-11-30
CN103863340A	2014-06-18
CN203673622U	2014-06-25
CN105564448A	2016-05-11
US20040164206A1	2004-08-26
CN110615015A	2019-12-27
EP3718853A1	2020-10-07

LIAN & LIEN IP ATTORNEYS (CN)

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