Measurement, control and protection device of diesel engine
A technology of measurement control and protection devices, which is applied in the direction of mechanical equipment, engine components, machines/engines, etc., can solve the problems of sensor failure, damage and failure, and cannot effectively alarm, etc., and achieve the effect of reducing the failure rate
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[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0014] figure 1 Middle: first power supply unit 1, first data acquisition unit 2, speed sensor 2a for alarm, temperature sensor 2b for alarm, pressure transmitter 2c for alarm, K graduation thermocouple 2d, voltage transmitter 2e, first Switch signal terminal 2f, first microcomputer data processing unit 3, first amplification and pulse shaping circuit 3a, first operational amplifier 3b, second operational amplifier 3c, third operational amplifier 3d, fourth operational amplifier 3e, first photoelectric Isolator 3f, first A / D converter 3g, second A / D converter 3h, third A / D converter 3i, fourth A / D converter 3j, first isolation driver 3k, first Door dog 3m, first microcomputer controller 3n, RS485 isolated intermediate relay 3p, first D / A converter 3q, first optocoupler isolator 3r, first signal output unit 4, RS485 communication interface 4a, ...
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