Electric drive vehicle

A vehicle (1) comprising:

• at least one electric machine (4);
• a power storage system (6), which is arranged in a central position, has a front wall (8) facing a front part of the vehicle (1) and has a rear wall (9) opposite the front wall (8) and facing a rear part of the vehicle (1);
• a main thermoregulation circuit (10), which is arranged inside the power storage system (6), is configured to distribute a thermoregulation liquid within the power storage system (6) and has an inlet (11) for the thermoregulation liquid and an outlet (12) for the thermoregulation liquid;
• a thermoregulation system (13), which is arranged in the front part of the vehicle (1) in front of the front wall (8) of the power storage system (6) and is configured to cause the thermoregulation liquid to circulate in the main thermoregulation circuit (10) introducing the thermoregulation liquid into the inlet (11) and receiving the thermoregulation liquid from the outlet (12);
• a component, which is arranged in the rear part of the vehicle (1) behind the rear wall (9) of the power storage system (6);
• and
• a secondary thermoregulation circuit (21), which is arranged in the rear part of the vehicle (1) behind the rear wall (9) of the power storage system (6) and is coupled to the component;
• wherein the main thermoregulation circuit (10) comprises:
• a drawing point (22), which goes through the rear wall (9) of the power storage system (6) and supplies the thermoregulation liquid to the secondary thermoregulation circuit (21);
• and a return point (23), which goes through the rear wall (9) of the power storage system (6) and receives the thermoregulation liquid from the secondary thermoregulation circuit (21),
• wherein the thermoregulation system (13) comprises a first pump (24), which is configured to cause the thermoregulation liquid to circulate through the main thermoregulation circuit (10),
• wherein the secondary thermoregulation circuit (21) comprises a second pump (25), which is configured to cause the thermoregulation liquid to circulate through the secondary thermoregulation circuit (21) by sucking the thermoregulation liquid from the drawing point (22), and
• wherein it is provided a control unit (32), which is configured to operate the second pump (25) only when the thermoregulation system (13) cools the thermoregulation liquid and only when the component needs to be cooled.

A vehicle (1) comprising:

• at least one electric machine (4);
• a power storage system (6), which is arranged in a central position, has a front wall (8) facing a front part of the vehicle (1) and has a rear wall (9) opposite the front wall (8) and facing a rear part of the vehicle (1);
• a main thermoregulation circuit (10), which is arranged inside the power storage system (6), is configured to distribute a thermoregulation liquid within the power storage system (6) and has an inlet (11) for the thermoregulation liquid and an outlet (12) for the thermoregulation liquid;
• a thermoregulation system (13), which is arranged in the front part of the vehicle (1) in front of the front wall (8) of the power storage system (6) and is configured to cause the thermoregulation liquid to circulate in the main thermoregulation circuit (10) introducing the thermoregulation liquid into the inlet (11) and receiving the thermoregulation liquid from the outlet (12);
• a first component and a second component, which are arranged in the rear part of the vehicle (1) behind the rear wall (9) of the power storage system (6);
• and
• a secondary thermoregulation circuit (21), which is arranged in the rear part of the vehicle (1) behind the rear wall (9) of the power storage system (6) and is coupled to the first and second components,
• wherein the main thermoregulation circuit (10) comprises:
• a drawing point (22), which goes through the rear wall (9) of the power storage system (6) and supplies the thermoregulation liquid to the secondary thermoregulation circuit (21);
• and a return point (23), which goes through the rear wall (9) of the power storage system (6) and receives the thermoregulation liquid from the secondary thermoregulation circuit (21),
• wherein the thermoregulation system (13) comprises a first pump (24), which is configured to cause the thermoregulation liquid to circulate through the main thermoregulation circuit (10),
• wherein the secondary thermoregulation circuit (21) comprises a second pump (25), which is configured to cause the thermoregulation liquid to circulate through the secondary thermoregulation circuit (21) by sucking the thermoregulation liquid from the drawing point (22), and
• wherein, in a bifurcation (26), the secondary thermoregulation circuit (21) branches off into a first branch (27), along which the first component is arranged, and a second branch (28), along which the second component is arranged.

A vehicle (1) comprising:

• at least one electric machine (4);
• a power storage system (6), which is arranged in a central position, has a front wall (8) facing a front part of the vehicle (1) and has a rear wall (9) opposite the front wall (8) and facing a rear part of the vehicle (1);
• a main thermoregulation circuit (10), which is arranged inside the power storage system (6), is configured to distribute a thermoregulation liquid within the power storage system (6) and has an inlet (11) for the thermoregulation liquid and an outlet (12) for the thermoregulation liquid;
• a thermoregulation system (13), which is arranged in the front part of the vehicle (1) in front of the front wall (8) of the power storage system (6) and is configured to cause the thermoregulation liquid to circulate in the main thermoregulation circuit (10) introducing the thermoregulation liquid into the inlet (11) and receiving the thermoregulation liquid from the outlet (12);
• a component, which is arranged in the rear part of the vehicle (1) behind the rear wall (9) of the power storage system (6);
• and
• a secondary thermoregulation circuit (21), which is arranged in the rear part of the vehicle (1) behind the rear wall (9) of the power storage system (6) and is coupled to the component;
• wherein the main thermoregulation circuit (10) comprises:
• a drawing point (22), which goes through the rear wall (9) of the power storage system (6) and supplies the thermoregulation liquid to the secondary thermoregulation circuit (21);
• and a return point (23), which goes through the rear wall (9) of the power storage system (6) and receives the thermoregulation liquid from the secondary thermoregulation circuit (21);
• wherein the secondary thermoregulation circuit (21) has a nominal flow rate of the thermoregulation liquid ranging from 10% to 35% of a nominal flow rate of the thermoregulation liquid of the main thermoregulation circuit (10).