Double-memory display device and method for automatic protection system of train

An automatic protection and display device technology for trains, which is applied in the control system of the operation center, transportation and packaging, railway car body parts, etc., can solve the problems of locomotives being unable to run, improve availability, realize redundancy, and prevent locomotives from being unable to continue running effect

Active Publication Date: 2014-05-21
HUNAN CRRC TIMES SIGNAL & COMM CO LTD
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  • Abstract
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Problems solved by technology

[0005] In view of this, the object of the present invention is to provide a dual storage and display device and method for an automatic train protection system, which overcom

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  • Double-memory display device and method for automatic protection system of train
  • Double-memory display device and method for automatic protection system of train
  • Double-memory display device and method for automatic protection system of train

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Embodiment Construction

[0035] For the sake of reference and clarity, the technical terms, abbreviations or abbreviations used below are recorded as follows:

[0036] Class D accidents: Railway traffic accidents are divided into four grades: particularly serious accidents, major accidents, major accidents and general accidents. General accidents are further divided into general class A accidents, general class B accidents, general class C accidents, and general class D accidents , Type D accidents include various types of accidents such as shunting conflict, shunting derailment, squeezed switch and shunting collision;

[0037] ATP: Automatic Train Protection (abbreviation: ATP), also known as train overspeed protection system;

[0038] RS422: The full name of the standard is "Electrical Characteristics of Balanced Voltage Digital Interface Circuit", which defines the characteristics of the interface circuit, and is a series of data transmission protocols that specify 4-wire, full-duplex, differential...

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Abstract

The invention discloses a double-memory display device for an automatic protection system of a train. The device comprises a bottom board, a logic control unit, a button and an auxiliary memory. The bottom board further comprises a CPU card, a switch and a main memory connected with the CPU card, and the CPU card further comprises an interface unit. The auxiliary memory is connected with the CPU card through the interface unit, and the button is used for performing gate control over the switch of a power supply for controlling the auxiliary memory through the logic control unit. The main memory and the auxiliary memory are respectively provided with a software system for guaranteeing normal operation of the display device. When the main memory works normally, the system is started from the main memory; when the main memory has a fault, the auxiliary memory is started through the button, and the system is started from the auxiliary memory. The technical problem that a locomotive cannot run because of problems of a memory of an existing display device can be solved, and accidents seriously affecting railway operation are effectively avoided.

Description

technical field [0001] The invention relates to the field of railway electrical safety equipment, in particular to a dual-storage and dual-system display device and method applied to a CTCS2-200C type ATP system. Background technique [0002] Currently, the CTCS2-200C ATP system uses a single-processor device for the display, and the CPU of the display receives ATP host information through dual-channel RS-422, and only has dual-channel communication link redundancy. The processing unit and the man-machine interface are both single sets. At the same time, the 200C ATP host adopts the 2 out of 3 method, which causes the redundancy of the host and the display to be unequal. When any circuit failure of the display (except single-channel RS422 failure) may directly lead to the failure of the normal use of the display, and at this time the ATP system enters a fault state, the train will stop, which seriously affects the railway operation. If the fault state cannot be recovered, i...

Claims

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Application Information

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IPC IPC(8): B61L27/00
Inventor 刘辉宋俊辉钟真夏伟张涛盘宇匡晋湘刘海军
Owner HUNAN CRRC TIMES SIGNAL & COMM CO LTD
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