| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a vehicle heat pump device capable of realizing reduction in size and manufacturing cost.SOLUTION: This vehicle heat pump device includes: an electric-compressor drive circuit converting direct-current electric power supplied from a power supply to alternating-current electric power, and supplying the alternating-current electric power to the electric-compressor electric motor; a water pump including a water-pump electric motor, and transporting at least one of first low-temperature-side cooling liquid and second high-temperature-side cooling liquid; and a water-pump drive circuit supplying the electric power supplied from the power supply to the water-pump electric motor. The electric-compressor drive circuit and the water-pump drive circuit are arranged proximately, and the electric-compressor drive circuit and the water-pump drive circuit are cooled by at least one of the first cooling liquid and the second cooling liquid.</p> |
