ENVIRONMENTAL CONTROL USING A DYNAMIC TEMPERATURE SET POINT

Systems and methods related to controlling the environment within a cabin-external battery pack of a vehicle are generally described. In some embodiments, the cabin and the battery have independent cooling and/or heating loops. The inventors have found that effective environment control can be achie...

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Bibliographische Detailangaben
Hauptverfasser:	TENHOUTEN BROC WILLIAM, GOW PHILIPPE HART
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BASIC ELECTRIC ELEMENTS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	Systems and methods related to controlling the environment within a cabin-external battery pack of a vehicle are generally described. In some embodiments, the cabin and the battery have independent cooling and/or heating loops. The inventors have found that effective environment control can be achieved by controlling the cooling system dynamically, that is, determining a suitable cooling element (e.g., evaporator) operating temperature based on a multitude of vehicle operating parameters without implementing a fixed set point, and then cooling and/or heating the battery pack accordingly. In some embodiments, the battery pack temperature control system includes a controller configured to determine a condition related to the operating state of the vehicle (e.g., by receiving a signal corresponding to the condition) and alter a temperature set point in the control system based at least in part upon the condition. In this way, the cooling load provided to the battery pack can be adjusted depending upon a variety of factors related to the operating state of the vehicle.