额敏镇环保节能映泰无刷直流驱动器9VA90A专业配件赢信赖
用清水冲洗五金挂件并用软棉布抹干，切勿使用任何具研磨作用的清洁剂、布或纸巾，及任何含酸性的清洁剂、擦亮磨料或清洁剂或肥皂等物擦拭龙头表面。每隔三个月，可采用去污能力较强的蜡油，涂在干净的白棉布上，对整件产品进行清洁，可适度延长产品的使用寿命。由于平时使用的各种洗精、沐浴露等长期残存在镀铬表面会使五金挂件表面光泽退化并直接影响它的表面质量。至少每周用软布清洁一次五金挂件表面，使用中性的清洁剂。
额敏镇环保节能映泰无刷直流驱动器9VA90A专业配件赢信赖



变频器是应用变频技术与微电子技术，通过改变电机工作电源的频率和幅度的方式来控制交流电动机的电力传动元件。
变频器原理以及基本知识
1、什么是变频器？
　　变频器是利用电力半导体器件的通断作用将工频电源变换为另一频率的电能控制装置。
　　
2、PWM和PAM的不同点是什么？
　　PWM是英文Pulse Width Modulation(脉冲宽度调制)缩写，按一定规律改变脉冲列的脉冲宽度，以调节输出量和波形的一种调值方式。
　　PAM是英文Pulse Amplitude Modulation (脉冲幅度调制) 缩写，是按一定规律改变脉冲列的脉冲幅度，以调节输出量值和波形的一种调制方式。

额敏镇环保节能映泰无刷直流驱动器9VA90A专业配件赢信赖

额敏镇环保节能映泰无刷直流驱动器9VA90A专业配件赢信赖


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额敏镇环保节能映泰无刷直流驱动器9VA90A专业配件赢信赖
FLS氟硅橡胶密封圈：FLS氟硅橡胶密封圈其性能兼有氟素橡胶及硅橡胶的优点，耐油、耐溶剂、耐燃料油及耐高低溫性均佳；FLS氟硅橡胶密封圈能抵抗含氧的化合物、含芳香烃的溶剂及含氯的溶剂的侵蚀；FLS氟硅橡胶密封圈一般用于、航天及军事用途，不建议暴露于酮类及刹车油中；FLS氟硅橡胶密封圈的一般使用温度范围为-5~2℃。EPDM三元乙丙橡胶密封圈：EPDM三元乙丙橡胶密封圈具有很好的耐候性、耐臭氧性、耐水性及耐化学性；EPDM三元乙丙橡胶密封圈可用于醇类及酮类，还可用于高温水蒸气环境之密封；EPDM三元乙丙橡胶密封圈适用于卫浴设备、汽车散热器及汽车刹车系统中，不建议EPDM三元乙丙橡胶密封圈用于食品用途或是暴露于矿物油之中。


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