way-opreated circuit

In this paper, a simple and useful logic control circuit of the plasma cutting machine is introduced, it controlls the Plasma cutter by the way of triode, comparing element and resistance and capacitance and so on.

介绍了一种简单实用的等离子切割机逻辑控制电路，该电路只采用三极管、比较器、电阻、电容等器件实现了对等离子切割机的控制。

This article designs the way of adjusting the current of air plasma cutting& welding power source, describes the connection of triggering circuit to the integrated chip.

设计了空气等离子切焊机电源的调流方式；详细论述了集成芯片触发电路的连接调试等方面。

At the same time design H bridge interface circuit can effectively control two-way movement and accurate orientation for work table.

同时，设计了H桥式电路正反向脉冲供电，工作台能够有效地双向运动和精密定位。

It has adopted the mature technology of analogue control charger, the charger control circuit are improved. The locality control and remote control for working way and start or stop;

利用了模拟控制充电机的成熟技术，对充电机控制电路进行了改进，实现了工作方式和开停的本地控制和遥控；

The design mentality is to control the output frequency of inverter by way of analog control circuit, so that the motor of artificial atmosphere is controlled.

设计思路是通过模拟控制电路来控制变频器的输出频率，并由变频器控制温湿空调电动机，以实现纺织厂的恒温恒湿环境。