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樓主  發(fā)表于: 2021-07-19 14:08
變光面罩,電焊用的。
就是液晶變光玻璃,和一個(gè)光線(xiàn)傳感器。
電弧弧光產(chǎn)生后,光線(xiàn)傳感器檢測到液晶玻璃就變光。

缺點(diǎn)是被動(dòng)變光,在產(chǎn)生弧光后才變光,由于靈敏度問(wèn)題,用起來(lái)不不舒適。

改進(jìn)方法,在焊把集成一個(gè)傳感器,比如壓力傳感器,當工人準備要按壓氣保焊,氬弧焊手把時(shí),
檢測到壓力,就接通手把上的比如激光光源。面罩采用激光接收檢測傳感器。
這樣實(shí)現主動(dòng)變光。不過(guò)激光似乎也不合理,可能需要具體研究

懂電子的可以試一試,

plc工作的,焊接是接觸幾率挺大的,對比感覺(jué)如何

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