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The car engine over-temperature alarm

2017-01-18 12:20  
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The car engine over-temperature alarm
Here is to introduce the car engine over-temperature alarm which has the protection function, it can emitter alarm signal when the working temperature of the engine is too high and the temperature of the water tank is over 9O℃, at the same time, it will cut off the igniting power supply automatically to put out the engine.The working principle of the circuitThe car engine over-temperature alarm consists of the temperature detection control circuit and acousto-optic alarm circuit, see as figure 7-111.