Signal lamp color acquisition device and working method

The invention provides a signal lamp color acquisition device and a working method, and the system comprises a signal lamp monitoring unit which is used for collecting pulse signals of each group of signal lamps in a traffic signal controller according to a preset period; the calculation and analysis unit is used for acquiring a lamp color state and a lamp color period of each signal lamp according to the pulse signals of the signal lamps, and calculating countdown information of each signal lamp according to the lamp color period; and the data transmission unit is used for transmitting the lamp color state and the countdown information of each signal lamp to a rear-end platform in a wired or wireless manner according to a preset format. Real-time lamp color states of the signal lamps are collected and learned through the high-compatibility signal lamp color collecting device, the device is simple in overall structure and low in cost and is not affected by weather, light or angles, the problem that equipment