Heat management apparatus and heat management system

A heat management apparatus, comprising a throttle unit and a heat exchange core body, wherein the throttle unit is fixedly connected with the heat exchange core body or connected with the heat exchange core body in a limited manner, and the heat exchange core body comprises a plurality of plates which is stacked;

• the heat exchange core body comprises a first heat exchange portion and a second heat exchange portion located above the first heat exchange portion, the heat management apparatus comprises a refrigerant flow passage and a coolant flow passage, the coolant flow passage is located in the second heat exchange portion, the refrigerant flow passage comprises a first flow passage, a second flow passage and a third flow passage, the first flow passage and the second flow passage are located in the first heat exchange portion, the third flow passage is located in the second heat exchange portion, a refrigerant in the first flow passage is configured to exchange heat with a refrigerant in the second flow passage in the first heat exchange portion, a refrigerant in the third flow passage is configured to exchange heat with a coolant in the coolant flow passage in the second heat exchange portion;
• the first heat exchange portion comprises a first wall, the second heat exchange portion comprises a second wall, and the first wall is arranged opposite to the second wall;
• and
• the throttle unit comprises a valve port portion, the valve port portion comprises a valve port, the first flow passage is in communication with the third flow passage through the valve port, and the third flow passage is in communication with the second flow passage.