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电热杯的电气元件由电源插头线、接线螺丝、电阻丝三部分组成。根据电热杯的使用经验,电源线断头一般产生在接线螺丝与电阻丝的螺钉扣接处塑料板覆盖端。分析可知:由于电热杯在使用过程中,损坏原因有三:其一、电源插头线经常触击它物属机械损伤;其二、手持电源插头线的牵拉属使用不当;其三、接线螺丝在潮气、煤气、热气及蒸气的恶劣环境下长期工作,氧化而断头、松动,甚至引起塑料板碳化焦
The electric components of the electric cup consists of three parts: power plug wire, connection screw and resistance wire. According to the experience of using the electric cup, the broken end of the power cord generally produces the plastic plate covering end at the screw fastening of the connection screw and the resistance wire. Analysis shows that: due to the use of electric cup during the damage, there are three reasons: First, the power plug line often strikes it belonging to mechanical damage; Second, hand-held power cord pull is improper use; its three wiring screws Long-term work in the harsh environment of moisture, gas, hot gas and steam, oxidation and decapitation, looseness, and even cause the plastic plate carbonization coke