Electrical control screen cabinet fault monitoring system and electrical control screen cabinet
An electrical control and fault monitoring technology, applied in the field of power electronics, can solve the problems affecting the parking time of running vehicles, the delay of vehicles, and the debugging progress of the depot, so as to reduce troubleshooting time, solve low efficiency, and reduce complexity.
Inactive Publication Date: 2020-05-12
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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Problems solved by technology
Therefore, the rapid location and quick resolution of electrical control panel faults will directly affect the commissioning progress in the vehicle garage, and even affect the parking time of running vehicles, resulting in the delay of vehicles on the entire line
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[0030] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
[0031] Also, in the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without the specific details or in the particular manner described.
[0032] At present, for the fault location and repai...
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An electrical control screen cabinet fault monitoring system comprises a reference contact end which is used for being connected with a power supply negative electrode of an electrical control screencabinet; the collection contact end is used for being connected with one end, close to the negative electrode of the power supply, of the controllable switch in the electrical control screen cabinet;the time sequence monitoring circuit is connected with the reference contact end and the collection contact end and is used for generating an actual switching time sequence of the controllable switchaccording to the voltage between the reference contact end and the collection contact end; and the fault detection device is connected with the time sequence monitoring circuit and is used for determining whether the controllable switch has a fault or not according to the actual switching time sequence. Compared with the prior art, the system can effectively reduce troubleshooting time, so that accidental faults, dynamic faults and faults caused by time sequence problems can be troubleshot in a short time.
Description
technical field [0001] The invention relates to the technical field of power electronics, in particular to an electric control panel cabinet fault monitoring system and the electric control panel cabinet. Background technique [0002] The railway vehicle electrical control panel is an important component of the railway vehicle control system, which participates in the power distribution control and logic control of the whole vehicle. The electrical control panel is directly related to the key subsystems of the traction system, braking system, network system, and door system, and the failure of its logic control circuit directly affects the operation of the vehicle. Therefore, the rapid location and quick resolution of electrical control panel faults will directly affect the commissioning progress in the vehicle depot, and even affect the parking time of running vehicles, resulting in the delay of vehicles on the entire line. Contents of the invention [0003] In order to ...
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IPC IPC(8): G01R31/327G05B23/02
CPCG01R31/008G01R31/327G05B23/0208
Inventor 欧阳家俊王伟周卫成代少飞吴新保郑中尧张明帅袁兴武李宏勋
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD