Heat exchanger

The utility model relates to the technical field of heat exchange devices, and provides a heat exchanger, which comprises a heat exchange base, a plurality of groups of heat exchange channels are arranged in the heat exchange base, each group of heat exchange channels comprises a high-temperature channel and a low-temperature channel which are adjacently arranged, the high-temperature channel is used for circulating high-temperature media, and the low-temperature channel is used for circulating low-temperature media. A low-temperature medium flows in the low-temperature channel; the multiple heat pipes are obliquely arranged on the heat exchange base, each heat pipe at least penetrates through one set of heat exchange channels, each heat pipe is provided with a high-position end and a low-position end, the high-position ends are located in the low-temperature channels, and the low-position ends are located in the corresponding high-temperature channels; the heat pipes are used for assisting the high-temperatu