欧(Ou)姆(Mu)龙(Long)U型(Xing)光(Guang)电(Dian)开(Kai)关(Guan)是(Shi)一(Yi)种(Zhong)红(Hong)外(Wai)感(Gan)应(Ying)光(Guang)电(Dian)产(Chan)品(Pin)，(?)由(You)红(Hong)外(Wai)发(Fa)射(She)管(Guan)和(He)红(Hong)外(Wai)接(Jie)收(Shou)管(Guan)组(Zu)成(Cheng)。(?)它(Ta)以(Yi)光(Guang)为(Wei)媒(Mei)介(Jie)，(?)通(Tong)过(Guo)接(Jie)收(Shou)并(Bing)转(Zhuan)换(Huan)发(Fa)射(She)器(Qi)和(He)接(Jie)收(Shou)器(Qi)之(Zhi)间(Jian)的(De)红(Hong)外(Wai)光(Guang)，(?)以(Yi)检(Jian)测(Ce)物(Wu)体(Ti)的(De)位(Wei)置(Zhi)。(?)