Integrated vehicle safety monitoring system for running trains

• US 9,393,975 B2
• Filed: 04/22/2014
• Issued: 07/19/2016
• Est. Priority Date: 04/22/2013
• Status: Expired due to Fees

• Current Assignee: Chengdu Sikude Technology Company Limited
• Original Assignee: Chengdu Sikude Technology Company Limited
• Inventors: Chen, Lu
• Primary Examiner(s): McCarry, Jr., R. J.
• Application Number:
  US14/258,218
• Publication Number:
  US 20140312179A1
• Time in Patent Office: 819 Days
• Field of Search: 246/120, 246/122.R, 246/124, 246167 R-169 D, 246/191, 246/192.R, 246218-220
• US Class Current: 1/1
• CPC Class Codes: B61L 15/0027 Radio-based, e.g. using GSM-R
• CPC Class Codes: B61L 15/0081 On-board diagnosis or maintenance
• CPC Class Codes: B61L 27/57 for vehicles or trains, e.g. trackside supervision of train conditions

Abstract

An integrated vehicle safety monitoring system for running trains, comprises a trackside multi-sensor fieldbus intelligent detection unit, a multivariate information processor transfer computer unit, a trackside wireless communication unit and a detection station monitoring information control terminal. Integrating a plurality of detection functions together, the system realizes intelligent multi-sensor information fusion, conducts diversified and parallel processing to various parameters, and greatly expands the monitoring space based on wireless communication, thereby comprehensively improving the system monitoring capacity and enabling the monitoring success rate to be greatly improved. The detection station monitoring information control terminal uploads the processed data to a superior vehicle safety monitoring center and a system cloud processing unit to realize the instant sharing of information between the units.

Claims

1. An integrated vehicle safety monitoring system for running trains, comprising:

a trackside multi-sensor fieldbus intelligent detection unit, located outside of steel rails, and configured to detect data information of trains running through this region in a normal state, or in a state of varying suddenly in speed, abruptly stopping, or stopping and then running again, the multi-sensor fieldbus of the trackside multi-sensor fieldbus intelligent detection unit being fitted with sensors to gather, distribute and transmit the data information detected by the sensors;

a multivariate information processor transfer computer unit, configured to buffer, store and transfer the data information transmitted from the multi-sensor fieldbus;

a trackside wireless communication unit, configured to wirelessly transmit the data information in the multivariate information processor transfer computer unit to a detection station monitoring information control terminal outside of the steel rails; and

the detection station monitoring information control terminal, provided with a wireless communication unit fitted with a detection station system bus, the detection station monitoring information control terminal being configured to perform data transmission with the trackside wireless communication unit, the detection station monitoring information control terminal inducing, analyzing, comparing, calculating and handling the data information transmitted from the trackside wireless communication unit in real time and uploading the processed data to a superior vehicle safety monitoring center and a system cloud processing unit to realize instant sharing of information between the units.

2. The integrated vehicle safety monitoring system for running trains according to claim 1, wherein the trackside multi-sensor fieldbus intelligent detection unit comprises an infrared thermal imaging and temperature-measuring sensor, which is located outside of the steel rails, faces the wheels, axles, brake shoes, damper springs and walking frames of a train, and is configured to collect images and temperature information of the wheels, axles, brake shoes, damper springs and walking frames related to the running safety in all running states of a train to be monitored.

3. The integrated vehicle safety monitoring system for running trains according to claim 1, wherein the trackside multi-sensor fieldbus intelligent detection unit further comprises one or more of the following sensors:

a trackside optical imaging sensor, which is located outside of the steel rails, faces the wheels, axles, brake shoes, damper springs and walking frames of a train, and is configured to collect images of the wheels, axles, brake shoes, damper springs and walking frames;

a track-core optical imaging sensor, disposed on the track-core just below a train crossbeam, connected to the trackside multi-sensor fieldbus via cables, and configured to collect position images of crossbeam walking components on the bottom of a train;

a full-spectrum acoustic sensor, disposed outside of the steel rails and configured to monitor sound from a running train;

a tilt sensor, disposed on the track-core just below the train crossbeam, connected to the multi-sensor fieldbus via cables, and configured to monitor the unbalanced loading of a running train; and

a passive wheel sensor, disposed on the steel rails and configured to detect the total number of axles of a train.

4. The integrated vehicle safety monitoring system for running trains according to claim 2, wherein the trackside multi-sensor fieldbus intelligent detection unit further comprises a rainfall sensor, the rainfall sensor being disposed outside of the steel rails and configured to monitor the weather conditions around the whole trackside multi-sensor fieldbus intelligent detection unit.

5. The integrated vehicle safety monitoring system for running trains according to claim 2, wherein the multivariate information processor transfer computer unit is provided with the following hosts or units fitted with the multi-sensor fieldbus:

a trackside system environment monitoring and regulation host, configured to monitor the environmental temperature around the trackside multi-sensor fieldbus intelligent detection unit and provide a temperature regulation instruction;

a trackside multivariate industrial control host, configured to process the image data of the infrared thermal imaging and temperature-measuring sensor, the trackside optical imaging sensor and the track-core optical imaging sensor, and meanwhile process the monitor data of the tilt sensor and control the wireless transmission of all data information; and

a trackside train running parameter industrial control host, configured to calculate axle data information monitored by the passive wheel sensor, to obtain the moment and speed of a train running therethrough in real time and judge the type and number of trains.

6. The integrated vehicle safety monitoring system for running trains according to claim 2, wherein the detection station monitoring information control terminal is connected to an outdoor camera and an indoor camera.