A kind of the real-time temperature monitoring system is developed to safeguard the safety of the joint less rail. The design of hardware and software of the system is introduced. The temperature data collected from sensors of the department of the system is sent to the central department by GSM modules in the way of SMS. GSM module of the central department receive the data and transfer to PC through the PCI multi-serial-port card. The graphical programming software Lab VIEW is used for data decoded, processing, storage, display in PC. If the temperature is out of limits, the software will send SMS or call people related for monitoring and alarm the temperature of the joint less rail.
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