Method for solving problem of poor shunting of track circuit

A technology of poor branching and track circuits, which is applied in the direction of railway signals, railway car body parts, railway signals and safety, etc., can solve the problems of high cost of axle counting scheme, difficult construction and high cost, etc., and improve the reliability of branching The effect of high reliability, solving bad shunting, and simple construction

Active Publication Date: 2013-09-18
天津玺联腾科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the poor resolution rate of the track circuit scheme and the monitoring box scheme is lower than 50%
The rail surface cladding and surfacing solution and the axle counting solution are high in cost, and the reliability of subsequent equipment is reduced
Both of them have defects such as high cost and difficult construction and implementation.

Method used

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  • Method for solving problem of poor shunting of track circuit
  • Method for solving problem of poor shunting of track circuit
  • Method for solving problem of poor shunting of track circuit

Examples

Experimental program
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Embodiment Construction

[0017] In conjunction with the accompanying drawings, the overall structure of the invention is further described:

[0018] As shown in the attached picture, figure 1 Among them, (ZGMXY) is a DC high-voltage pulse signal source set in the original 25HZ phase-sensitive track circuit section. (ELB) is the choke transformer. The signal equipment of the original track section will not be changed in any way, and only 1-5 DC high-voltage pulse signal sources will be added according to the length of the track circuit and the number of switches. figure 2 Among them, (ZGMXY) is a DC high-voltage pulse signal source set in the original 25HZ phase-sensitive track circuit switch section. (ELB) is the choke transformer. image 3 Among them, (BYQ) uses a commercially available 10W, 220V / 3V universal transformer. (D) is a commercially available 1N4007 diode, (R) is a 20K / 2W metal film resistor, (C) is an 80μ / 450V polypropylene film capacitor, (R1) is a 50K / 2W metal film resistor, (R2) i...

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Abstract

The invention provides a method and a device for solving the problem of poor shunting of a track circuit, and aims to provide a device capable of sending direct current (DC) high voltage pulses in a circuit section of the original track to a track surface of the section of the track through an electronic switch by utilizing high voltage energy stored by an energy storage capacitor, so as to solve the problems in the prior art. When the track is occupied by a train, the DC high voltage pulses can effectively breaks down an iron oxide corrosion layer between a severely corroded steel track tread surface and wheel sets of a train; when the steel track tread surface corrosion layer is broken down, signal currents are well shunted, so that the occupation information of the circuit section of the track is accurately reflected. The DC high voltage pulses are isolated by a choke transformer when being in a regulated state, so that the voltage of the original alternating current (AC) signals cannot be influenced.

Description

technical field [0001] The invention belongs to railway signal devices, in particular to a method for solving the problem of poor branching of track circuits. Background technique [0002] In the prior art, CN201077466 discloses a high-voltage asymmetrical track circuit system powered by a 25Hz power supply, including a rail and a sending-end circuit and a receiving-end circuit connected to the rail. The sending-end circuit includes a sending-end choke transformer, and a sending-end circuit The secondary side coil of the choke transformer is connected to the output terminal of the code transmitter, and the input terminal of the code transmitter is connected to the power supply; the receiving circuit includes a receiving terminal choke transformer, and the secondary coil of the receiving terminal choke transformer is connected to the decoding The input end of the decoder, the output end of the decoder is connected to the receiving device; the primary side coils of the sending...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61L1/18B61L1/02
Inventor 佟元江
Owner 天津玺联腾科技发展有限公司
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