Vehicle-mounted signal collector detection device

The utility model belongs to the technical field of vehicle-mounted control box detection, and discloses a vehicle-mounted signal collector detection device, which comprises a detection module and a test computer, the test computer comprises an upper computer, and the detection module comprises a control circuit board and a power supply module; the detection module receives a detection command issued by an upper computer through bus communication. Detection command, the detection module provides a power supply with protection and a test signal for the tested signal collector. The detection module detects the state of the signal collector, converts state information and a test result fed back by the detected signal collector into bus communication data according to a bus communication protocol, sends the bus communication data to the bus network and transmits the bus communication data to the upper computer, and the upper computer displays the state information and the test result in the form of graphs, number