CPU cooling plate with expansion leakage detection function

The utility model discloses a CPU cooling plate with expansion leakage detection, and relates to the technical field of CPU cooling plates, the CPU cooling plate comprises a liquid cooling plate, the diagonal positions of the upper end of the liquid cooling plate are respectively provided with a connector, the periphery of the connector is provided with a liquid leakage groove, the two sides of the upper part of the liquid leakage groove are provided with touch switches, the liquid leakage groove is internally provided with a touch expansion sheet, and the touch expansion sheet is connected with the liquid leakage groove. And the head part under the touch switch is aligned with the touch expansion sheet. The utility model is designed into a combined structure, the liquid leakage groove and the expansion sheet are arranged in the middle, the volume of the expansion sheet can be increased when the expansion sheet encounters liquid due to compression sponge, the touch switch at the top is used for conducting a c