Heat-transfer device, power-supplying device, and wireless power-supplying system

1. A heat-transfer device that transfers heat between a power-receiving device and a power-supplying device for a wireless power supply, at least one of the power-receiving device and the power-supplying device being movable, the heat-transfer device being a different member from the power-supplying device and from the power-receiving device, and the heat-transfer device comprising:

a flexible heat-transfer member that transfers heat generated due to the wireless power supply, from one of the power-receiving device and the power-supplying device to the other thereof and has at least one of tiltability in the moving direction and extensibility in a direction perpendicular to the moving direction.

2. The heat-transfer device according to claim 1 ,

wherein each of the power-receiving device and the power-supplying device includes a coil that performs the wireless power supply,

the heat-transfer device further comprises:

a heat transfer plate that is provided around the coil of one of the power-receiving device and the power-supplying device; and

the flexible heat-transfer member that is erected around the coil of the other of the power-receiving device and the power-supplying device and comes into contact with the heat transfer plate.

3. The heat-transfer device according to claim 2 ,

wherein the flexible heat-transfer member includes a metal brush, and

the metal brush is implanted in a metal pipe in which a refrigerant flows.

4. The heat-transfer device according to claim 2 ,

wherein the flexible heat-transfer member includes a spring member, and

the spring member biases a metal pipe, in which a refrigerant flows, to the heat transfer plate.

5. The heat-transfer device according to claim 2 ,

wherein the flexible heat-transfer member includes an expansion-contraction member that comes into contact with the heat transfer plate through injection of a refrigerant.

6. The heat-transfer device according to claim 5 ,

wherein the expansion-contraction member includes at least one of a rod-like tube and an arch-like tube.

7. The heat-transfer device according to claim 1 ,

wherein one of the power-receiving device and the power-supplying device is a vehicle, and

the other of the power-receiving device and the power-supplying device is a stop station at which the vehicle stops.

8. The heat-transfer device according to claim 5 ,

wherein the expansion-contraction member is non-magnetic and non-electrically conductive.

9. The heat-transfer device according to claim 5 ,

wherein the expansion-contraction member is provided on an opposing surface where the coils face each other during the wireless power supply.

10. The heat-transfer device according to claim 8 ,

wherein the expansion-contraction member includes an injection-discharge port that functions as both an injection port and a discharge port for the refrigerant,

the heat-transfer device further comprises:

a refrigerant injector that is connected to the injection-discharge port and switches the injection and non-injection of the refrigerant.

11. The heat-transfer device according to claim 8 ,

wherein the expansion-contraction member includes an injection port and a discharge port for the refrigerant,

the heat-transfer device further comprises:

a refrigerant injector that is connected to the injection port and injects the refrigerant while the refrigerant is discharged from the discharge port.

12. The heat-transfer device according to claim 8 ,

wherein the expansion-contraction member includes an injection port and a discharge port for the refrigerant,

the heat-transfer device further comprises:

a refrigerant injector that is connected to the injection port and the discharge port and injects at least a part of the refrigerant, which is discharged from the discharge port, into the injection port and circulates the refrigerant.

13. The heat-transfer device according to claim 8 ,

wherein a plurality of the expansion-contraction members are provided at positions that are different from each other,

the heat-transfer device further comprises:

a refrigerant injector that separately and independently injects the refrigerant into the plurality of expansion-contraction members.

14. A power-supplying device that wirelessly supplies power to a power-receiving device, the power-supplying device comprises:

a heat-transfer device that transfers heat generated due to the wireless power supply from one of the power-receiving device and the power-supplying device, of which at least one is movable, to the other thereof,

wherein the heat-transfer device includes a flexible heat-transfer member that has at least one of tiltability in the moving direction and extensibility in a direction perpendicular to the moving direction, and the heat-transfer device being a different member from the power-supplying device and from the power-receiving device.

15. A wireless power-supplying system that performs a wireless power supply between a power-receiving device and a power-supplying device of which at least one is movable, the wireless power-supplying system comprises:

a heat-transfer device that transfers heat, which is generated due to the wireless power supply from one of the power-receiving device and the power-supplying device to the other thereof,

wherein the heat-transfer device includes a flexible heat-transfer member that has at least one of tiltability in the moving direction and extensibility in a direction perpendicular to the moving direction, and the heat-transfer device being a different member from the power-supplying device and from the power-receiving device.