Battery pack heat dissipation device based on liquid metal and water double-loop coupling heat exchange

The invention discloses a battery pack heat dissipation device based on liquid metal and water double-loop coupling heat exchange, and the device comprises a battery pack which comprises a plurality of battery blocks; the plurality of cooling plates are arranged in parallel at intervals, a battery cavity is formed between every two adjacent cooling plates, and the plurality of battery blocks are uniformly distributed in the battery cavities; the liquid metal circulation loop penetrates through the cooling plate; and the water circulation loop is arranged on the outer side of the cooling plate and is coupled with the liquid metal circulation loop for heat exchange, and heat transfer is carried out on the battery pack to realize heat dissipation. The liquid metal circulation loop and the water circulation loop are arranged, the advantages of high heat conductivity of liquid metal and large specific heat capacity of water are fully utilized, efficient heat transfer is guaranteed through a double-loop coupling he