Digital communication device and method in use for wireless digital synthetized early-warning system in locomotive

A communication equipment, digital integrated technology, applied in railway signaling and safety, etc., can solve the problems of inability to guarantee the data transmission between the head and tail of the train, different functions and performance, and different communication systems.

Inactive Publication Date: 2005-09-14
BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT CO LTD
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the field of railways, there are multiple tail confirmation devices or detection devices in the prior art, which are used to solve such problems: after the railway freight train cancels the guard (car length), the carriage at the rear of the train is out of joint and the safety of the railway is caused. major hidden danger
In the Chinese patent document CN 1142454A, a method for confirming the tail of the train is disclosed. The method uses a wind pressure detection device to detect whether the tail of the train is normal. Means are widely used, such as just disclosed such train end device in patent documents CN CN1118319A, CN2124172U, existing train tail wind pressure alarm device (as the ZTF-2002 type that currently exists in China, CP-3 type train tail device ) has many functions, such as displaying the wind pressure value at the rear of the train, automatically detecting the leakage of the air duct, prompting the complete arrival of the whole train, and the "black box" data recording function, etc., but most of these alarm devices are connected to the wireless train dispatcher. On the 450MHz channel, the train dispatching channel is used to carry out remote control and telemetry to the host of the train end device. In recent years, although some methods to overcome interference (such as two-way data transmission) have been adopted, the problems of co-frequency interference and mutual interference with wireless train dispatching It still exists, and the problem is particularly serious in the busy marshalling yards and section stations; in addition, in the weak field strength coverage area, the existing device cannot guarantee normal data transmission between the head and tail of the train, so that the current wind pressure alarm at the tail of the train The equipment cannot be used in sections with double tracks and poor propagation conditions; moreover, such equipment can only provide a wind pressure alarm signal at the rear of the train, but does not have other early warning functions about train operation and personnel safety
[0003] With the continuous improvement of the running speed of railway trains, due to the lack of necessary early warning and prompting system, the staff along the railway line cannot understand the specific information of the trains on the line, resulting in casualties. However, the functions and performances of these devices are different, and the communication systems are also different from each other, so they cannot be adapted to a wide range of promotion and use; in addition, these devices also have poor reliability and unstable performance. problems; moreover, since such devices are set up separately and are not integrated with other systems, there are problems of inconvenient use and high cost

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Digital communication device and method in use for wireless digital synthetized early-warning system in locomotive
  • Digital communication device and method in use for wireless digital synthetized early-warning system in locomotive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] figure 1 It is a functional block diagram of the digital communication device of the present invention, as can be seen from the figure, the device includes a digital transmission station, a control and data storage circuit, an antenna, two digital column control boxes, a voice storage circuit, an interface circuit, and a power supply, wherein the antenna is an 800MHz antenna, and its working frequency ranges from 815MHz to 875MHz. Antennas are mounted on top of the locomotive. The digital tail control box 1 and the digital tail control box 2 are respectively installed in the two cabs of the locomotive. The rest is part of the digital on-board integrated radio station in the equipment. The radio station is installed in the equipment room of the locomotive. Its power circuit leads to the 110V DC power supply of the locomotive and converts it into 13.8V DC power, which is then supplied to the control Power supply with storage circuit, radio station, two digital column ta...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

A digital communication equipment and method for the integrated radio digital warning system of locomotive features that a 800-MH2 integrated digital radio station with 821.2375 MH2 as receiving frequency and 866.2375 MP2 as transmitting frequency is used. Its advantages are no cross-talking interference, and high transmission power.

Description

technical field [0001] The invention relates to a digital communication device and a method thereof for a wireless digital integrated early warning system of a locomotive. More specifically, the invention relates to an early warning device related to railway driving safety and personal safety. Background technique [0002] In the field of railways, there are multiple tail confirmation devices or detection devices in the prior art, which are used to solve such problems: after the railway freight train cancels the guard (car length), the carriage at the rear of the train is out of joint and the safety of the railway is caused. Major hidden danger. In the Chinese patent document CN 1142454A, a method for confirming the tail of the train is disclosed. The method uses a wind pressure detection device to detect whether the tail of the train is normal. Means are widely used, such as just disclosed such train end device in patent documents CN CN1118319A, CN2124172U, existing train ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): B61L23/00B61L23/06B61L23/34
Inventor 田秀臣葛鹰龙李富超刘燕妮冷盛翔
Owner BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products