AB产品1769-RTBN18

1769-RTBN18

如果可以拆开，那就在无关要的地方刮开线看看，看完后之后再用高温胶布粘好就行。如果不能拆开的，就对比一下线圈电阻 ，铝芯要比铜芯的电阻大一点。

一、铜的导电性能比铝的好

铜线的载流量是每平方6安培，铝线5安培，所以铝线电机长时间工作容易发热，当然一般外壳温度保持在90度内问题也不大，整体性能不如铜线电机稳定，一分钱一分货。

铝芯电机的功率比铜芯小很多，载流量小所以容易发热。一般铝线比铜线功率小百分之20左右。

二、纯铜线电机当然更

铝比铜电阻大一点，在使用中发热量较高，很容易烧坏电机。而且铝和铜焊接是不能自然融合，电源线连接点也容易造成烧坏，所以一般铝线电机水泵的整机寿命远低于纯铜线电机水泵使用寿命。     

三、纯铜线电机更省电

电路元件的电阻大小与发热大小成正比例关系，电阻大则发热会大。      

四、纯铜芯电机噪声更小

当噪声平均每提高3分贝，噪声的能量就会增强一倍。铝线电机噪音比铜线电机大约高7分贝，所以铝线电机噪声比铜线电机噪声大两倍还多。纯铜线电机水泵整机噪声经过测试仅为58分贝。

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