This paper introduced a kind of condenser discharge thermocouple spot welding machine,which uses the Ni-MH rechargeable battery as a built-in power supply,its controlling way of voltage is based on DC-DC Boost converter,and it has the function of automatic trigger SCR DC switch with delay.%介绍一种新型储能式热电偶点焊机,采用镍氢(Ni-MH)充电电池作为内置电源;基于Boost型DC/DC变换器的电压控制;具有延时功能的自动触发可控硅直流开关等项技术,获得了较好的工作效果.
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