Vehicular air conditioning device

In a vehicular air conditioning device, a heater core is disposed on a circulation passage for cooling water for cooling a motor, and an inverter configured to control an output of the motor by changing a carrier frequency, and heats conditioning air. An air conditioning controller sets a required c...

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Bibliographische Detailangaben
Hauptverfasser:	Miura, Takahiko, Hirano, Takuo
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES AUXILIARY DRIVES FOR VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	In a vehicular air conditioning device, a heater core is disposed on a circulation passage for cooling water for cooling a motor, and an inverter configured to control an output of the motor by changing a carrier frequency, and heats conditioning air. An air conditioning controller sets a required calorific value of the motor and the inverter according to a vehicle compartment temperature requested by a passenger. A carrier frequency changing unit sets a carrier frequency at which a calorific value of the motor and the inverter is made equal to the required calorific value, out of carrier frequencies capable of implementing a target output of the motor to be set depending on a traveling state of a vehicle. An electric power conversion device converts direct-current power of a battery into alternating-current power at the set carrier frequency, and supplies the alternating-current power to the motor.