The control circuit made up of double monostable circuit IC has realized some remarkable functions, such as cycle control, zero crossing trigger, and preventing from repeated and error trigger.

• 所设计的控制电路,利用双单稳电路IC,实现了点焊过程周波控制、过零触发,以及防重触发和误触发功能,保证了焊接过程稳定、可靠。