Digital automatic light-changing welding eye patches

The invention discloses a pair of digital automatic light-changing welding eye patches. The pair of digital automatic light-changing welding eye patches comprises a patch body, wherein automatic light-changing filter lens are arranged on the patch body, arc light sensors are respectively arranged on two sides of the front of the patch body, a key control panel is arranged on one side of the patch body, a power supply device is arranged on the other side of the patch body, the automatic light-changing filter lens, the arc light sensors and the power supply device are respectively electrically connected with a digital control system in the patch body, and the digital control system mainly comprises a power supply voltage stabilization module, a central processing module, a sensor and signal processing module, a high-voltage module, a voltage amplitude modulation module, a key module, an output control module and a display module. According to the pair of digital automatic light-changing welding eye patches, due to the adoption of the design scheme of the digital circuit, the on/off of a power supply, the shade number adjustment, the sensitivity control, the return time regulation, and the setting of the polishing function can be realized, and through the display module, a user can clearly and accurately see the gear of each function, the functions are rich, the adjustment is convenient, and the application occasions are wide.