Cooling System for a Motor Vehicle

A cooling system for an electric vehicle comprising a cooler circuit, a battery circuit, a chiller circuit, and an electronics circuit,

• further comprising a first switching valve that has a first port, a second port, a third port, a fourth port, a fifth port, a sixth port, a seventh port, and an eighth port, wherein the first switching valve is configured to connect the cooler circuit, battery circuit, chiller circuit, and electronics circuit to one another,
• wherein an intake for the cooler circuit is connected to the seventh port and an outlet for the cooler circuit is connected to the eighth port, and
• the cooler circuit comprises a first mixing valve with three ports that are configured to subdivide the cooler circuit into a cooler subcircuit and a cooler bypass circuit,
• wherein the cooler subcircuit comprises a coolant cooler, wherein an intake for the battery circuit is connected to the fifth port and an outlet for the battery circuit is connected to the sixth port, wherein a second heat-emitting component is in the battery circuit,
• wherein an outlet for the chiller circuit is connected to the fourth port and an intake for the chiller circuit is connected to the third port, wherein a first chiller circuit water pump is downstream of the third port and a second mixing valve with three ports is downstream of the first chiller circuit water pump,
• wherein a bypass segment connects the second mixing valve to a third chiller node, wherein the third chiller node has a connection to the fourth port, wherein a first chiller subcircuit is formed,
• wherein the third chiller node has another port connected to a first check valve, wherein a second chiller subcircuit is formed downstream of the second mixing valve,
• further comprising a first chiller node downstream of the second mixing valve in the second chiller subcircuit, which is connected to the intake on a chiller and a return for a third chiller subcircuit, wherein the outlet on the chiller is connected to a second chiller node, which is connected to an intake for the third chiller subcircuit and the first check valve,
• further comprising a second chiller circuit water pump downstream of the second chiller node in the third chiller subcircuit, and a first cab heat exchanger is further downstream, and a second check valve is downstream thereof, wherein the second check valve is connected to the first chiller node,
• wherein an outlet of the electronics circuit is connected to the first port and an intake of the electronics circuit is connected to the second port, wherein a first electronics node is downstream of the second port, wherein the first electronics node subdivides the electronics circuit into a first electronics circuit segment and second electronics circuit segment, further comprising a first electronics circuit water pump downstream of the first electronics circuit node in the first electronics circuit segment, wherein a first heat-emitting component is downstream of the first electronics circuit water pump,
• wherein a third mixing valve with three ports is downstream of the first heat-emitting component, which is connected to the first port, further comprising a second electronics circuit node in the second electronics circuit segment, wherein a second electronics circuit water pump is downstream of the second electronics circuit node, wherein an indirect condenser is downstream of the second electronics circuit water pump, wherein a third electronics circuit node is downstream of the indirect condenser, which is connected to the third mixing valve, wherein a third electronics circuit segment is formed between the third electronics circuit node and the second electronics circuit node, wherein the third electronics circuit segment comprises a second cab heat exchanger.