US Patent 10473209 Heat exchange device

A heat exchange device includes a heat exchanger, a mounting plate, and a connecting block. The heat exchanger includes several first plates, several second plates, and an end plate and a bottom plate located at two sides of the heat exchanger. Each of the first plates and an adjacent second plate form a first flow passage and a second flow passage, the mounting plate and the end plate are fixedly mounted, and the connecting block is fixedly mounted to the bottom plate. A passage running through the heat exchanger and not in communication with the first flow passage and the second flow passage is formed in the heat exchanger, the passage has one end in communication with a communicating hole of the mounting plate, and another end in communication with a connecting channel of the connecting block.