Train monitoring device(LKJ)is utilized in large numbers and has an extensive geographic reach,neces-sitating adaptation to complex environments.The application environment of LKJ and the environmental adaptability requirements set by current standards are analyzed.Detection scheme for LKJ in complex environments is proposed,and the severity grades and test methods for low-temperature and low-pressure test,temperature change test,com-bined temperature(low/high)and vibration test are elaborated.The feasibility of the detection scheme for the low-tem-perature and low-pressure test and the temperature change test has been verified.The verification results confirm the feasibility of these tests.
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