| 摘要 |
The present invention relates to a system for detecting a connection state of a bus-bar tightened by a fixing bolt, and more specifically, to a system for detecting a connection state of a bus-bar tightened by a fixing bolt which mounts a bus part customized for a connection portion in accordance with the present invention on a bus-bar which is an electric connection device to measure voltage drops of all portions in a middle state of measurement portions which are not conventional connection portions at once to detect a bolt-loosened state. By using the present invention, the bus part customized for the connection portion is mounted on the bus-bar which is an electric connection device to measure the voltage drops of all portions in the middle state of the measurement portions which are not the conventional connection portions at once to detect the bolt-loosened state to prevent a faulty connection accident caused by a loosened bolt. |
