PCB detection tool, equipment and system

The utility model belongs to the field of PCB (printed circuit board) detection, and particularly discloses a PCB detection tool, equipment and system, which comprises a carrier plate assembly used for placing a PCB, and a pressing assembly used for pressing the PCB is hinged on the carrier plate assembly; the pressing assembly comprises a pressing frame and a pressing plate fixedly connected to the lower portion of the pressing frame, a handle is fixedly connected to the pressing frame, and a pressing part is detachably connected to the lower side of the pressing plate; the carrier plate assembly comprises a carrier plate frame, a bearing plate and a positioning seat; one side of the pressing frame is hinged to the bearing plate, the other side of the pressing frame is hinged to a drag hook, a groove is fixedly connected to the position, corresponding to the drag hook, of the bearing plate frame, and the drag hook is connected with the groove in an operable and matched mode. A scanning gun is fixedly connect