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Helicopter fire detection and firing detection device for ground-to-air collieries
Helicopter fire detection and firing detection device for ground-to-air collieries
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机译:地空煤矿直升机火情探测与发火检测装置
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摘要
The device consists of a microphone sensitive to helicopter noises, an infrared sensor and an electronic evaluation device, the electronic evaluation device analysing the helicopter noises and, when a predetermined noise intensity is reached and there is a simultaneous response of the infrared sensor, triggering the firing. …IMAGE…
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