许多医疗电子仪器部采用按键式电源开关,使用年久后常因触点烧蚀而接触不良,直接影响仪器的正常使用,在一时很难买到理想的新品替代的情况下,笔者采用打开开关,用150砂纸打磨烧蚀的触点,然后在触点位置烫上外表光滑并呈半球状锡点的方法,先后修理了5只此类电源开关,最长的使用已有近一年时间,效果良好。实践主明,采用此种方法进行按键式电源开关的应急修复是行之有效的。 Many medical electronic instrument used push-button power switch, used often because of contact ablation and poor contact directly affect the normal use of the instrument, at a time it is difficult to buy the ideal new alternative case, I used to open the switch , With 150 sandpaper ablation ablated contacts, and then hot in the contact position on the appearance of smooth hemispherical tin point method, has repaired five such power switch, the longest use of nearly a year, Good effect. Practice shows that the use of this method for emergency button switch power is effective.