冷库里的灯,把门一打开就亮了,开关是门的感应还是对声音的感应呢?

2025-04-06 00:34:18
推荐回答(3个)
回答1:

通常情况下是冷库门上装有行程开关,当冷库门打开到一定位置控制灯开与关的行程开关常开触点闭合,冷库里的灯供电线路形成闭合回路,灯亮。声音感应灯可能性小,你可短时进入冷库内观察,若冷库合上灯灭则可判断灯是通过门上的行程开关控制,这时即使你在冷库内大声说话灯也不会亮(排除声控的方法)。

回答2:

声控与门控都是可以的,声音控制方便,现在有些公寓的过道灯是声控的,人走过去,它会自动亮或灭,方便路过人,缺点是可靠性不高;门控开关用得比较广泛,最典型的是冰箱门,开门时里面的灯就会亮,这种设计可靠性比较高,也比较精准,所以门上一般都会用这种设计。

回答3:

你好 很高兴为你解答

这可能是声音感应

你可以再看一下

这门长时间看着 这灯会不会熄灭

如果熄灭了 就可能是门的感应了

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