Heat exchange device of battery, battery pack and vehicle

The utility model discloses a heat exchange device of a battery, a battery pack and a vehicle. The heat exchange device comprises a first collecting pipe and a second collecting pipe, the heat exchanger comprises a first collecting pipe, a heat exchange pipe and a second collecting pipe, the heat exchange pipe is connected between the first collecting pipe and the second collecting pipe, the heat exchange pipe is communicated with the first collecting pipe and the second collecting pipe, and a heat exchange medium runner in which a heat exchange medium can flow is formed among the heat exchange pipe, the first collecting pipe and the second collecting pipe. And the first collecting pipe and/or the second collecting pipe are/is suitable for being in contact with the battery. Therefore, the first collecting pipe and/or the second collecting pipe of the heat exchange device can exchange heat with the battery, the heat exchange efficiency of the heat exchange device can be improved, the first collecting pipe and