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Application of remote monitoring system of public transport

  • Author:Network Security Exhibition
  • Source:Network Security Exhibition
  • Release on :2014-05-26
[China Focus News Network Security ExhibitionAutomotive passenger buses and] we used public transportation, their impact will be run once the error is a large group of people. A day of heavy transport tasks not only impact to the driver, but also make our vehicles suffer losses. Summer weather is hot, add buses and coaches in the operation itself will generate a lot of heat, so that the occurrence of spontaneous combustion of the body may be greatly increased, and the circuit board are flammable oil and other points, once a fire due to high temperature quite dangerous.

Kunming: Bus electrical control cabinet wiring remote temperature monitoring system

Most recently, the Kunming Railway independently developed the first set of national passenger rail electrical control cabinet wiring remote temperature monitoring system has been successfully tested to run for six months. The system is the integrated use of modern thermometry technology, Zigbee technology, high sensitivity, such as Bluetooth and wireless LAN short-distance wireless communication technology to achieve real-time intelligence on the wiring of temperature monitoring, which greatly improved the level of monitoring temperature wiring.

In this system, handheld devices, shown above, with each compartment wiring electrical control cabinet temperature. Once the temperature data turns red, indicating that the corresponding wiring temperature exceeds the safe value, namely the existence of fire hazards passenger, crew members need to be dealt with immediately.

Bus wiring electrical control cabinet more quantity, distribution fragmented, which AV380 volts, DC110 and DC600 volt volt wiring three severe fever, is the largest passenger train fire hazard source. Therefore, the electrical control cabinet wiring temperature monitoring is focused on passenger trains on fire.

Way past the heating temperature in a serious way wiring patch posted to monitor the temperature of the wiring, you need to continue to run the train crew to open the electrical control cabinet temperature changes in the patch, check the workload is very large, and easy to drain Leak repair.

Temperature monitoring system that uses wireless remote temperature sensor, small size, high temperature sensitivity. After high temperature nylon cable ties fixed, can accurately measure the junction temperature between -105 ℃ -25 ℃. Host cabinet temperature data will be collected through the compartment node system with Bluetooth module uploaded to handheld devices.

Handheld devices using hardware performance and stability of tablet PCs, using self-developed Android-compatible software. If the temperature gauge measurement points, handheld devices will automatically pop up alarm window while playing a voice, "Please note that the temperature gauge" and accompanied by a vibration alert.

"In the past, in order to ensure that the electrical wiring in the control cabinet temperature does not exceed limits, we must open every three hours once a cabinet to check whether the color temperature of the patch, checking the entire train takes more than one hour, a modern open system, the whole train equipment temperature at a glance. "crew on the system changes brought praise.

Recently, the Kunming Railway independently developed the first set of national passenger rail electrical control cabinet wiring remote temperature monitoring system has been successfully tested to run for six months. The system is the integrated use of modern thermometry technology, Zigbee technology, high sensitivity, such as Bluetooth and wireless LAN short-distance wireless communication technology to achieve real-time intelligence on the wiring of temperature monitoring, which greatly improved the level of monitoring temperature wiring.

Chongqing: electric bus passenger cloud wisdom remote monitoring system

Chongqing New Energy Bus cloud wisdom remote monitoring system, transit bus using electricity as energy, the system can monitor transit bus is running or stop, depending on which position, how much speed, braking times, whether the fault alarm.

Center Intelligent control room, there are two large-screen map display downtown, densely covered with different colored dots icon, and constantly moving. Engineer Ma Zilin, this is the real-time operating conditions of the city Hengtong new energy bus. Each icon represents one passenger dot, green for running red for stop or stop, Purple represents no signal.

Through remote monitoring system, the staff can be observed behind the real-time operating conditions of each bus lines, according to the traffic, holidays, weather and other conditions, increase or decrease in flexibility and vehicle line; while safety management segment can be monitored at run during the vehicle battery, motor and electric control system, brakes and other working conditions, but also can monitor driver behavior; If the vehicle is faulty alarm, the car terminal will automatically send alarm SMS to the rear; same time, the system also through car camera for video surveillance.

Two monitoring system inspired by the intelligent transportation

Above two monitoring systems are the use of remote monitoring technology. One is to protect the safety of vehicles traveling developed, mainly for the vehicle electrical temperature monitoring to prevent fire for the purpose. One is to protect the vehicle running smoothly, mainly lies in the command and control of the vehicle. Although very different in both the target, the target of the former more smaller, more specific family, and the target to achieve the latter is relatively large, it is relatively more complex. But in general, these two monitoring systems in intelligent transportation, intelligent transportation advances are signs of development.

We should note that the building is an intelligent transportation system construction, these two systems for the development of intelligent transport are of great help, we found that these two systems are in fact largely common, For example, two degrees in the intelligent transportation systems, such as remote monitoring of both urban systems, for which is why the idea of ​​a small series of these two systems can not be merged? The system incorporates learning from each other, make the system more in the evening, but also to the development of our intelligent traffic more smoothly.