Based On The Dspic Wilding Current And Voltage Acquisition And Echo System

With the development of welding technology, the quality and efficiency of welding will be increasingly requested in Industrial production. The operators need to observe the operation of the system or modify the operating parameters to ensure the quality of the welding. The voltage and current of the welding process is a key factor affecting the quality of welding, Usually, ordinary welder reads the current and voltage through the ammeter and the voltmeter in the welding process, but can not playback after welding,Only the high-end welder configures welding current and voltage acquisition and echo system, the most of the core devices are IPC. But there are some defects, such as large volume, high cost and Poor stability. In order to avoid the above defects, the communication between microcontroller and touch screen can come true recording of the welding current and voltage. It can satisfy the requirements of miniaturization and low cost. At the same time, greatly improve the stability of the system.Based on the above background, The control of the core is16high performance dsPIC30F6011A, the touch screen SA-7of Shenzhen Display and control company work as a man-machine interface, the standard modbus agreement come true the communication between the microcontroller and touch screen to display current and voltage. The CH376can help to read and write welding current voltage data in U disk. Together with the reasonable peripheral hardware circuit and software programming, welding current and voltage in real-time acquisition and storage, U disk file form a curve on the touch screen. The same time, in all aspects the of hardware and software of the system set up a variety of anti-jamming measures and data error checking procedures, It ensures that the anti-interference ability and accuracy of data transmission.The debugging of hardware and software show that the system has basically reached the expected goals. Welding current voltage can be real-time collected and storage, data can also be displayed on the touch screen, at the same time, can ensure the acquisition and display highly accuracy. That improves the operating performance and product quality.