冷光源灯泡工作电压为15V功率为150W，因当地气候潮湿，长时间使用，常常会出现灯泡亮度下降，或灯泡寿命下降，更换新灯泡及灯座麻烦，原装进口配件难购且价高，造成浪费影响工作，给工作带来诸多不便。故障分析：经多次检修发现造成灯泡与灯座接触不良的主要原因有：①灯泡与 Cold light bulb work voltage is 15V power is 150W, due to the local climate is humid, long time use, often the brightness of the lamp decreases, or the lamp life is reduced, the replacement of new light bulbs and lampholder trouble, the original imported parts are difficult to purchase and high prices, resulting in Waste affects work and brings inconvenience to work. Failure analysis: After several overhauls, the main causes of poor contact between the lamp and the lamp holder are: 1 Light bulb and