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An electric vehicle charging station that uses a liquid cooled charging cable is described. The charging station includes a charging port that is configured to connect to a liquid cooled charging cable. The liquid cooled charging cable includes a cooling loop where a return side of the cooling loop

An electric vehicle charging station that uses a liquid cooled charging cable is described. The charging station includes a charging port that is configured to connect to a liquid cooled charging cable. The liquid cooled charging cable includes a cooling loop where a return side of the cooling loop is a warm side. The charging station includes a heat exchanger that transfers heat from the warm side of the cooling loop. The charging station includes a pump to pump a cool side of the liquid through the cooling loop. The charging station includes a module that causes the following to be performed in response to a startup sequence of the electric vehicle charging station: iteratively perform operations of operating the pump at increasing speeds and measuring corresponding pressure output until the speed of the pump is at its normal capacity.

대표청구항 ▼

1. An electric vehicle charging station, comprising: a charging port that is configured to connect to a liquid cooled charging cable, wherein the liquid cooled charging cable includes a cooling loop where a return side of the cooling loop is a warm side;a heat exchanger that is configured to transfe

1. An electric vehicle charging station, comprising: a charging port that is configured to connect to a liquid cooled charging cable, wherein the liquid cooled charging cable includes a cooling loop where a return side of the cooling loop is a warm side;a heat exchanger that is configured to transfer heat from the warm side of the cooling loop;a pump to pump a cool side of the liquid through the cooling loop; anda module configured to cause the following to be performed in response to a startup sequence of the electric vehicle charging station: iteratively perform operations of operating the pump at increasing speeds and measuring corresponding pressure output until the speed of the pump is at its normal capacity. 2. The electric vehicle charging station of claim 1, further comprising: a current meter that is configured to measure current used by the pump. 3. The electric vehicle charging station of claim 2, wherein the module is further configured to cause the following to be performed in response to the startup sequence of the electric vehicle charging station: examine the current used by the pump to determine whether the pump is operating at its normal capacity. 4. The electric vehicle charging station of claim 1, wherein the module is further to cause current to pass through the liquid cooled charging cable to warm liquid of the liquid cooled charging cable when the electric vehicle charging station is not in use. 5. The electric vehicle charging station of claim 1, further comprising: a heater configured to warm liquid of the liquid cooled charging cable when the electric vehicle charging station is not in use. 6. The electric vehicle charging station of claim 1, further comprising: a chiller that is configured to cool liquid of the liquid cooled charging cable. 7. The electric vehicle charging station of claim 1, wherein the heat exchanger is a radiator. 8. A method in an electric vehicle charging station, comprising: operating a pump of the electric vehicle charging station at a first speed, wherein the pump is pumping liquid of a liquid cooled charging cable through a cooling loop, and wherein the first speed is lower than a speed of the pump operating at its normal speed;measuring pressure of the liquid being pumped by the pump operating at the first speed;determining whether the monitored pressure exceeds a threshold;responsive to determining that the monitored pressure does not exceed the threshold, proceeding in an iterative manner of operating the pump at a second speed and monitoring pressure of the pump operating at the second speed for a next iteration, until the monitored pressure of the pump is at its normal capacity. 9. The method of claim 8, further comprising: passing current through the liquid cooled cable to warm liquid of the liquid cooled charging cable when the electric vehicle charging station is not in use. 10. The method of claim 8, further comprising: passing liquid of the liquid cooled charging cable through a heater to warm the liquid when the electric vehicle charging station is not in use. 11. The method of claim 8, wherein operating the pump of the electric vehicle charging station at the first speed is performed responsive to a cold start of the electric vehicle charging station. 12. The method of claim 8, wherein measuring pressure of the liquid being pumped by the pump operating at the first speed includes reading a plurality of pressure readings from a plurality of pressure sensors respectively. 13. The method of claim 12, wherein determining whether the monitored pressure exceeds the threshold includes determining whether each of each of the plurality of pressure readings individually exceeds the threshold. 14. An electric vehicle charging station, comprising: a processor; anda non-transitory machine-readable storage medium that provides instructions that, when executed by the processor, cause the electric vehicle charging station to perform operations comprising: operate a pump of the electric vehicle charging station at a first speed, wherein the pump is to pump liquid of a liquid cooled charging cable through a cooling loop, and wherein the first speed is lower than a speed of the pump operating at its normal speed;measure pressure of the liquid being pumped by the pump operating at the first speed;determine whether the monitored pressure exceeds a threshold;responsive to a determination that the monitored pressure does not exceed the threshold, proceed in an iterative manner of operating the pump at a second speed and monitor pressure of the pump operating at the second speed for a next iteration, until the monitored pressure of the pump is at its normal capacity. 15. The electric vehicle charging station of claim 14, wherein the operations further comprise: cause current to be passed through the liquid cooled cable to warm liquid of the liquid cooled charging cable when the electric vehicle charging station is not in use. 16. The electric vehicle charging station of claim 14, wherein the operations further comprise: cause liquid of the liquid cooled charging cable to be passed through a heater to warm the liquid when the electric vehicle charging station is not in use. 17. The electric vehicle charging station of claim 14, wherein operation of the pump of the electric vehicle charging station at the first speed is to be performed responsive to a cold start of the electric vehicle charging station. 18. The electric vehicle charging station of claim 14, wherein the measurement of pressure of the liquid being pumped by the pump operating at the first speed includes a reading of a plurality of pressure readings from a plurality of pressure sensors respectively. 19. The electric vehicle charging station of claim 17, wherein the determination of whether the monitored pressure exceeds the threshold includes a determination of whether each of each of the plurality of pressure readings individually exceeds the threshold.