WLAN technique based rail train real-time video monitoring system

A rail train, real-time video technology, applied in the transmission system, digital transmission system, data exchange through path configuration, etc., can solve the problems of uncontrollable antenna signal coverage, image quality does not meet the monitoring requirements, etc., to achieve enhanced flexibility and expandability, enhance the ability to resist multipath interference, and reduce the cost

Inactive Publication Date: 2007-12-05
武汉众智数字技术有限公司
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  • Abstract
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Problems solved by technology

[0007] In general, the wireless transmission medium uses an antenna, and the signal coverage of the antenna is relatively uncontrollable. In areas w

Method used

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  • WLAN technique based rail train real-time video monitoring system
  • WLAN technique based rail train real-time video monitoring system

Examples

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Embodiment Construction

[0061] The following takes a light rail train as an example to specifically describe the implementation of the present invention.

[0062] The invention combines the wired local area network and the wireless local area network flexibly, and realizes the monitoring and management of the high-definition image on the mobile carrier.

[0063] 1. The structure of each subsystem

[0064] 1. Video capture subsystem (100)

[0065] As shown in the upper part of Figure 1, the video acquisition subsystem (100) forms a wired local area network, including a camera (110), a video encoder (120), a switch (130) on the vehicle, a data acquisition server (140), and a monitoring client on the vehicle ( 150);

[0066] The camera (110), the video encoder (120), and the on-board switch (130) are connected in sequence; the on-board switch (130) is respectively connected with the data collection server (140) and the on-board monitoring client (150).

[0067] The video encoder (120) collects the video signa...

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Abstract

The invention discloses railway train real time video monitoring controlling system based on WLAN technique. It includes video collecting subsystem used to collect the video, wireless transmission subsystem used to transmit video flow to data receiving processor by wireless access device, monitoring controlling subsystem used to distribute the data flow to each monitoring controlling client-side by over flow media server. Compared with other movable video monitoring controlling device, the invention has clearer image, stronger controllability, can store video-record on train and monitoring controlling center at the same time to convenient for examination. In addition, it can be used in remoter video monitoring controlling for high speed railway train.

Description

Technical field [0001] The invention relates to a real-time video monitoring system for rail trains, in particular to a real-time video monitoring system for rail trains based on WLAN technology. Background technique [0002] High-speed rail transportation (underground railway, elevated light rail, single-track transportation, etc.) has become one of the main directions of future urban transportation development due to its fast and convenient advantages. [0003] In order to realize the wireless transmission of the video information of the real-time status in the rail train, there are usually two realization methods: [0004] The first is to use a special microwave channel to transmit analog video signals. This implementation method requires the construction of a special microwave relay station to achieve effective coverage of microwave signals. The initial infrastructure and later maintenance investment is large, although the image quality can be guaranteed. However, the cost of...

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Application Information

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IPC IPC(8): H04L12/28H04L12/24
Inventor 熊芬王峰杨裕欢朱东樊文叶光明殷增沫
Owner 武汉众智数字技术有限公司
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