Safety control device of engine retarder
A safety control and engine technology, applied to engine components, machines/engines, valve devices, etc., can solve problems such as engine flameout, failure to build pressure to do work, and unbalanced working state of idle cylinders
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[0012] Attached below figure 1 , 2 The present invention will be further described in detail.
[0013] Such as figure 1 , 2 The shown engine retarder safety control device, the power supply 1, the brake request switch 2, the signal processing switch device 4 and the solenoid valve 9 are sequentially connected in series to form a closed circuit circuit, and the throttle travel signal device 3 and the rotational speed signal sensor 8 are respectively connected with the signal processing switch The device 4 is connected, and the solenoid valve 9 is connected with the engine retarder actuator.
[0014] The signal processing switch device 4 includes a central processing unit (CPU) 5 , an analog-to-digital converter 6 and a relay 7 . The speed signal sensor 8 obtains the speed pulse signal from the engine and inputs the signal processing switch device 4, converts the analog signal into a digital signal through the analog-to-digital converter 6, and enters the central processing ...
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