Direct water-cooling heat dissipation DBC power module

The invention relates to a DBC (Direct Water Cooling) power module, which comprises a bottom plate and a DBC arranged and connected on the bottom plate. The bottom plate comprises a bearing part facing upwards and two side faces arranged on the two sides in the length direction of the bottom plate. The bearing part comprises a plurality of containing grooves which are formed in the surface of the bearing part and extend towards the interior of the bottom plate. Each containing groove is of the same structure and comprises two side walls in the width direction of the bottom plate, a water inlet formed in one side wall and a water outlet formed in the other side wall. The DBC comprises a ceramic plate, a connecting layer arranged on the upper side of the ceramic plate, and a clamping part arranged on the side, facing the bottom plate, of the ceramic plate. And the connecting part is in an elliptical pin shape and is connected with the bearing part. According to the DBC power module with direct water-cooling hea