Automatic power-on control device of USB-interface industrial cameras based on single chip microcomputer

The utility model discloses an automatic power-on control device of USB-interface industrial cameras based on a single chip microcomputer. The device comprises upper computers, a plurality of the industrial cameras, the single chip microcomputer, power supply control chips, USB sockets and a USB to serial port chip. Four IO ports of the single chip microcomputer form control connection with a power supply control pin of the one power supply control chip respectively. Input pins and output pins of the four power supply control chips are connected with a Vcc terminal of one USB socket respectively. A USB jack of the USB socket which is connected with the input pin of the power supply control chip is connected with the each upper computer. The USB jack of the USB socket which is connected with the output pin of the power supply control chip is connected with the industrial camera respectively. The each upper computer is connected with the USB to serial port chip through the USB socket. The other end of the USB t