Air tightness detecting device and detecting method for movement process of high speed train
A technology for air tightness detection and high-speed EMU, which is applied in the direction of using liquid/vacuum degree for liquid tightness measurement, and by measuring the acceleration and deceleration rate of fluid, etc. To achieve the effect of saving time and manpower, and simple structure
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[0033] combine figure 1 and figure 2 , to describe in detail the airtightness detection method and device during high-speed EMU movement.
[0034] Such as figure 1 and figure 2 As shown, a high-speed EMU moving air tightness detection device includes a head position single-chip microcomputer 5 and a head position air pressure transmitter 4 installed at the head of the EMU, and the head position MCU 5 is connected to two sets of head position air pressure transmitters 4. The head position air pressure transmitter 4 is connected to the head position single-chip microcomputer 5 and transmits the air pressure information outside the car and inside the car to the head position single-chip microcomputer 5, and the rear position single-chip microcomputer 9 installed at the rear of the EMU and the rear position air pressure transmitter 8, the single-chip microcomputer 9 at the rear of the car is connected to two groups of air pressure transmitters 8 at the rear of the car, the ai...
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