Abstract: Provided are a vehicle cooling system and a vehicle. The vehicle cooling system includes a battery cooling loop, a motor cooling loop, and a valve. A coolant reservoir is connected in series in the battery cooling loop. The coolant reservoir is adapted to supply a coolant to the battery cooling loop and participate in coolant circulation in the battery cooling loop when the battery cooling loop cools a battery. The motor cooling loop has a coolant filling port adapted to be connected to a first fluid outlet port of the coolant reservoir and a fluid outlet adapted to be connected to a first fluid return port of the coolant reservoir. The coolant reservoir supplies the coolant to the motor cooling loop when the valve is in an open state. The motor cooling loop performs coolant self-circulation to cool a motor when the valve is in a closed state.

Abstract: Disclosed is an integrated expansion kettle, including a kettle body, a coolant flow channel passing through a chamber is provided inside the kettle body; at least one group of gas-liquid separation mechanisms is provided on the coolant flow channel; each group of the gas-liquid separation mechanism includes a first opening provided on the coolant flow channel for liquid in the chamber to flow into the coolant flow channel and a second opening for liquid in the coolant flow channel to flow into the chamber, and a pressure at the first opening is greater than a pressure at the second opening. A cooling system is also disclosed, which includes a motor cooling circuit, a battery cooling circuit and the expansion kettle. A vehicle is also disclosed, which includes the cooling system.