A turnout rectification equipment and its monitoring system
A technology of rectification equipment and monitoring system, applied in the field of rail transit, can solve the problems of poor rectification ability, inconvenient and timely detection, etc., to achieve the effect of adaptability, strong anti-interference ability, and reduced hidden troubles
Active Publication Date: 2021-08-06
SIGNAL & COMM RES INST OF CHINA ACAD OF RAILWAY SCI +2
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Problems solved by technology
[0006] The embodiments of the present invention provide a turnout rectification device and a monitoring system, which are used to solve the defects of poor rectification capability and inconvenient timely detection of the turnout rectification device in the prior art in areas where power frequency interference is relatively frequent
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0022] At present, the existing switch rectification equipment is generally used in station signal equipment and switch machines in railway traffic to improve the lightning resistance of the circuit it protects. However, in the track section with frequent power frequency interference, such as urban rail transit, the greatest impact on the turnout ...
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The turnout rectification equipment and its monitoring system provided by the embodiments of the present invention, the monitoring system includes at least one turnout rectification equipment and a central control monitoring device; the turnout rectification equipment includes an anti-disturbance rectification unit and a state detection unit, and the two are connected in parallel through a relay switch; The anti-disturbance rectification unit includes a current-limiting and anti-disturbance circuit in series and a secondary rectification circuit; the current-limiting and anti-disturbance circuit includes at least two parallel wire-wound resistors; the secondary rectification circuit includes three groups of diode strings connected in series in sequence, each The diode string is composed of at least two diodes connected in parallel; the state detection unit includes a current-limiting anti-disturbance detection circuit, a secondary rectification detection circuit and a bidirectional comparison circuit for obtaining the inspection result of the anti-disturbance rectification unit. The turnout rectification equipment and its monitoring system provided by the embodiment of the present invention are specially designed for the urban rail transit industry, which solves the protection problem of the turnout display circuit in a complex electromagnetic environment, and provides fault detection, reducing the failure rate of existing equipment .
Description
technical field [0001] The invention relates to the technical field of rail transit, in particular to a switch rectification device and a monitoring system thereof. Background technique [0002] So far, my country has opened urban rail transit in as many as 39 cities, with a total operating mileage of more than 5,000 kilometers. Rail transit has become a vital part of urban transportation planning and design in my country. Turnout management is an important part of urban rail transit transportation. an important part of. Among them, the turnout display circuit is a crucial part of the turnout control circuit, which is used to reflect the position of the turnout to the signal attendant in real time to ensure the safe passage of the train. However, due to the influence of lightning strikes and complex electromagnetic environments, the turnout indication circuit is often interfered by clutter signals, which seriously reduces the working efficiency of the turnout control circuit...
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IPC IPC(8): B61L5/06
CPCB61L5/06
Inventor 肖桐付茂金阮小飞王洲龙靳邵云
Owner SIGNAL & COMM RES INST OF CHINA ACAD OF RAILWAY SCI