Battery cathode connection assembly suitable for non-contact plug detection device

The utility model discloses a battery cathode connection assembly suitable for a non-contact plug detection device. The battery cathode connection assembly comprises a PCB assembly. The conductive elastic connecting piece comprises an electric connection fixing part, an extension part and an elastic contact part which are integrally formed, and the electric connection fixing part is electrically connected with the PCB assembly; and the negative electrode spring assembly comprises a negative electrode spring piece and a negative electrode conducting strip, and the negative electrode conducting strip is electrically connected with the elastic contact part. According to the utility model, the structure of the battery negative electrode connecting assembly is optimized, and the conductive elastic connecting piece is electrically connected with the PCB assembly and the negative electrode spring assembly, so that the risk that the negative electrode spring assembly and the PCB assembly are separated due to falling