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Interlocking circuit, switching board and lineside electronic unit

An interlocking circuit and circuit technology, applied in the field of circuits, can solve the problems of untimely switching and complicated circuits, and achieve the effect of simplifying the switching board circuit, reducing the complexity and the manufacturing cost.

Active Publication Date: 2018-05-15
CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, manual switching or automatic switching is generally used for the switching of two redundant interface signals, but the manual switching back causes the switching to be delayed. Switch to the B system; and the existing automatic switching, the circuit is more complicated, there is no simple solution to realize the automatic switching of redundant interface signals

Method used

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  • Interlocking circuit, switching board and lineside electronic unit
  • Interlocking circuit, switching board and lineside electronic unit
  • Interlocking circuit, switching board and lineside electronic unit

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Embodiment Construction

[0035] In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0036] Those skilled in the art can understand that terms such as "first" and "second" in this application are only used to distinguish different devices, modules or parameters, etc., neither represent any specific technical meaning, nor represent the inevitable relationship between them. logical order.

[0037] figure 1 It is a typical application sce...

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PUM

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Abstract

The embodiment of the invention discloses an interlocking circuit, a switching board and a lineside electronic unit (LEU). The interlocking circuit comprises a first signal circuit for receiving a first signal and outputting a first output signal, a second signal circuit for receiving a second signal and outputting a second output signal and an output circuit for outputting the first output signaland the second output signal in a mutually-exclusive manner. The interlocking circuit provided by the embodiment of the invention is used in the switching board of the LEU and simple in structure, and can instantly switch between two redundant signals.

Description

technical field [0001] The application belongs to the field of circuits, and in particular relates to an interlock circuit used in ground electronic units. Background technique [0002] The Balise Transmission SubSystem (BTS) is a safety transmission system based on point information transmission, which realizes the safety information transmission between roadside equipment or ground equipment and on-board equipment. The transponder transmission system includes three basic components: the transponder transmission module (BTM), the vehicle antenna unit (AU), the active transponder (Controlled Balise) and the passive transponder (Fixed Balise), and the ground electronic unit (LEU). [0003] The transponder installed in the center of the track itself does not need an external power supply. During the operation of the train, the BTM continuously radiates energy to the ground through the antenna unit AU. The coded information of the unit (LEU) (active transponder only) is sent t...

Claims

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Application Information

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IPC IPC(8): B61L27/00H04B1/74
CPCH04B1/745B61L27/70
Inventor 杨光伦王国英张轲
Owner CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD
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