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发明名称
交流电动机半自动自耦减压起动器
摘要
一种交流电动机半自动自耦减压起动器,由电机电路、自耦变压器电路和控制电路组成,其特点是自耦变压器的接入和切出是按按钮来实现的,是手动和自动相结合的,其优点为电路简单、节约成本,使用维修方便,操作安全,使用寿命相对较长,是一种理想的交流电动机的无油半自动自耦减压起动器。
申请公布号
CN2513289Y
申请公布日期
2002.09.25
申请号
CN01276842.1
申请日期
2001.12.07
申请人
秦寿峰
发明人
秦寿峰;刘邦寿
分类号
H02P1/28
主分类号
H02P1/28
代理机构
代理人
主权项
1、一种交流电动机半自动自耦减压起动器,由电机电路(1)、自耦变压器电路(2)和控制电路(3)组成,其特征是电机电路(1)中有接触器XC的常开触点、热继电器RJ的常闭触点和电动机LD,其连接方式为串联;自耦变压器电路(2)中有接触器1QC的常开触点、自耦变压器QZB和接触器2QC的常开触点,其自身的连接方式为串联,其与电机电路(1)的连接方式为接触器2QC的三个常开触点的首端接母线X1、X2、X3,自耦变压器线圈的尾端接电动机首端;控制电路(3)中有熔断器RD1、RD2、停止按钮TA、起动接钮QA和联动按钮YA,其联接关系为:熔断器RD2与停止按钮TA串联,停止按钮TA和联动按钮YA的常闭触点及常开触点串联,联动按钮YA的常闭触点与起动按钮QA串联,起动按钮QA和并接后的接触器1QC的线圈、接触器2QC的线圈、指示灯UD串联,起动按钮QA还和串接后的接触器1QC、接触器2QC的两个常开触点并接,并接后的接触器1QC线圈、接触器2QC线圈、指示灯UD的尾端与接触器XC的常闭触点串联,接触器XC的常闭触点的尾端与热继电器RJ的常闭触点的尾端相接,热继电路RJ的常闭触点的首端与熔断器RD1相接;另外联动按钮YA的常开触点与接触器XC的线圈串联,与接触器XC的一个常开触点并联,接触器XC线圈上还并联有指示灯HD,接触器XC线圈的尾端与接触器1QC的常闭触点的首端相接,接触器1QC的常闭触点的尾端接热继电器RJ常闭触点的尾端;控制电路(3)与电机电路(1)的连接方式为熔断器RD1的首端接母线X3,熔断器RD2的首端接母线X2。
地址
056001河北省邯郸市中华南大街44号邯郸市豪迈电器设备有限公司
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