JP2001169411A - Power device for motor for car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively use cooling of a superconducting battery by a cooling medium to cool the inside of a car room, by feeding fuel to a hydrogen engine generator and supplying the cooling medium to the superconducting battery efficiently and reducing the consumption of liquid hydrogen, and besides putting the comparatively large superconducting battery in the lower part of the car room where the superconducting battery does not make any hindrance. SOLUTION: In a power device for a motor for cars which uses as a power device, a superconducting battery to be charged by power generated by a hydrogen engine generator, generation by the hydrogen engine generator is performed by hydrogen evaporated by cooling the superconducting battery. After the superconducting battery to which the cooling medium is supplied is housed in an adiabatic case provided with opening/closing parts, the adiabatic case is arranged in the lower part of the car room. By opening the opening/closing parts of the adiabatic case, the inside of the car room is cooled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device for a vehicle motor used as a power supply for a motor in an electric vehicle, a hybrid vehicle using an engine and a motor in common, and the like.

[0002]

2. Description of the Related Art In recent years, an electric vehicle using a hydrogen engine generator has been developed as a motor power supply device.

Further, a superconducting battery using a superconducting material together with a cooling medium has been developed as a device capable of efficiently storing DC power (see Japanese Patent Application Laid-Open No. 5-205940).

However, as a power supply device for an electric vehicle,
It is conceivable that the power generated by the hydrogen engine generator is temporarily stored in a superconducting battery, and power is extracted from the superconducting battery as needed.

[0005]

The problem to be solved is that, when such a power supply device for a motor is mounted on a vehicle, particularly, the superconducting battery itself becomes large in size and the cooling medium supply section is provided. It is becoming difficult to install with.

In addition, it is necessary to separately provide a fuel supply source for the hydrogen engine generator and a cooling medium supply source for the superconducting battery, so that the space factor is deteriorated, and both supply sources are used. This requires a large capacity liquid hydrogen storage unit.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a power supply device for a vehicle motor powered by a superconducting battery charged by electric power generated by a hydrogen engine generator, wherein the superconducting battery is installed at an optimum location of the vehicle. In addition, in order to effectively use the cooling by the cooling medium, the superconducting battery supplied with the cooling medium is housed in a heat insulating case provided with an opening / closing section, and the heat insulating case is disposed at a lower part of a vehicle compartment. By opening the opening and closing part of the heat insulating case, the vehicle interior can be cooled.

Further, the present invention is directed to such a power supply device for a motor for a vehicle, in order to efficiently supply fuel to a hydrogen engine generator and supply a cooling medium to a superconducting battery. The superconducting battery is cooled to supply vaporized hydrogen to a hydrogen engine generator.

According to the present invention, there is provided means for supplying hydrogen generated by applying the power generated by the solar cell to a water splitter for electrolyzing water to a hydrogen engine generator.

The present invention also relates to such a power supply device for a motor for a vehicle, wherein a generator driven by the motor is provided to increase the power storage efficiency of the superconducting battery, and the generated output is regenerated to the superconducting battery. I try to make it.

[0011]

FIG. 1 shows an example of the configuration of a power supply device for a vehicle motor according to the present invention. The basic configuration of the power supply device is a hydrogen engine generator 1 and a liquid stored in the hydrogen engine generator 1. A motor for driving a vehicle, comprising: a liquid hydrogen storage unit 2 for supplying hydrogen; and a superconducting battery 3 cooled by a cooling medium for accumulating electric power generated by the hydrogen engine generator 1. 4 is driven.

Further, in the power supply device for the vehicle motor, a solar cell 6 is provided as needed to increase the power storage efficiency of the superconducting battery 3.

As a cooling medium for cooling the superconducting battery 3, hydrogen, nitrogen, helium and the like are widely used, but here, a supply device for the cooling medium is not provided separately.
Cooling hydrogen is supplied from a liquid hydrogen storage unit 2 that supplies fuel to the hydrogen engine generator 1.

The present invention relates to a power supply device for a motor for a vehicle having such a configuration. In particular, as shown in FIG. After being housed in the heat-insulated case 7, the heat-insulated case 7 is disposed below the cabin of the vehicle 9,
The interior of the vehicle can be cooled by opening the opening / closing section 8 of the heat insulating case 7.

Thus, by adopting such a structure, the relatively large superconducting battery 3 is installed together with the liquid hydrogen storage unit 2 in the lower part of the cabin without any hindrance, and the cooling medium of the superconducting battery 3 is used. The cooling can be effectively used for cooling in the passenger compartment.

Since the liquid hydrogen storage unit 2 is provided at the lower part of the passenger compartment, even if the liquid hydrogen storage unit 2 is destroyed by an impact in the event of a collision of the vehicle, the occupant can store the liquid hydrogen. No more bathing. And
The occurrence of fire can be effectively prevented by the liquid hydrogen.

The heat insulating case 7 disposed below the vehicle
Only the superconducting battery 3 is accommodated in the inside, and liquid hydrogen for cooling is sent from the liquid hydrogen storage unit 2 separately installed in a safe external place to the inside of the case through a pipe, so that the superconducting battery 3 is effectively cooled. It goes without saying that usage may be attempted.

Further, in the power supply device for a vehicle motor according to the present invention, as shown in FIG. 1, a generator 5 driven by the motor 4 is provided so that the power generation output is regenerated to the superconducting battery 3. Thus, the power storage efficiency of superconducting battery 3 is increased.

FIG. 3 shows another example of the configuration of the power supply device for a vehicle motor according to the present invention. The basic configuration of the power source device is a hydrogen engine generator 1 and the power generated by the hydrogen engine generator 1. And a superconducting battery 3 for supplying power to a motor 4 for driving the vehicle, and the superconducting battery 3
And a liquid hydrogen storage unit 2 for supplying hydrogen for cooling to the hydrogen engine generator 1 by cooling the superconducting battery 3 and supplying the vaporized hydrogen as fuel.

FIG. 3 shows still another configuration example of a power supply device for a vehicle motor according to the present invention. In this case, a superconducting battery 3 is made of a hydrogen storage alloy that cools and absorbs and stores vaporized hydrogen. The hydrogen storage unit 10 is provided so that hydrogen can be supplied from the hydrogen storage unit 10 to the hydrogen engine generator 1 whenever necessary.

FIG. 4 shows another example of the configuration of the power supply device for a vehicle motor according to the present invention. The basic configuration of the power source device is a solar cell 6 and the electrolysis of water by the power generated by the solar cell 6. And a hydrogen engine generator 1 for generating electricity using hydrogen generated by the electrolysis of water as a fuel
A superconducting battery 3 that is charged by the power generated by the hydrogen engine generator 1 and supplies power to a motor 4 for driving a vehicle; and a liquid hydrogen storage unit 2 that supplies hydrogen for cooling to the superconducting battery 3. Consists of

Further, the water generated by the hydrogen engine generator 1 is supplied to a water storage unit in the water splitter 11.

Further, according to the present invention, the superconducting battery 3 is cooled and the vaporized hydrogen is supplied to the hydrogen engine generator 1, so that the fuel is supplied to the hydrogen engine generator 1 and the superconducting battery 3 is cooled. The medium is supplied efficiently.

In the present invention, the liquid hydrogen storage unit 2
Without providing, the hydrogen generated by the water splitting device 11 is once sent to the superconducting battery 3 to cool it, and then the vaporized hydrogen after cooling is supplied to the hydrogen engine generator 1. It is also possible.

FIG. 5 shows a power supply device for a vehicle motor having the configuration shown in FIG. 4, in which a superconducting battery 3 is housed together with a liquid hydrogen storage unit 2 in a heat insulating case 7 provided with a plurality of opening / closing units 8 on the upper surface. Then, the heat insulating case 7 is
2 shows the arrangement state of each component when arranged below the vehicle compartment.

FIG. 6 shows another configuration example of the power supply device for a vehicle motor according to the present invention. In this case, a hydrogen storage alloy for cooling a superconducting battery 3 to absorb and store vaporized hydrogen is stored. The hydrogen storage unit 10 is provided so that the hydrogen storage unit 10 can supply hydrogen to the hydrogen engine generator 1 whenever necessary.

[0027]

As described above, the present invention relates to a power supply device for a vehicle motor powered by a superconducting battery charged by electric power generated by a hydrogen engine generator, wherein the hydrogen engine is cooled by evaporating hydrogen by cooling the superconducting battery. In addition to causing the generator to generate power, the superconducting battery to which the cooling medium is supplied is housed in a heat-insulating case provided with an opening / closing section, and the heat-insulating case is arranged at the lower part of the vehicle compartment. The interior of the vehicle can be cooled by opening the opening / closing part of the heat insulation case, and the supply of fuel to the hydrogen engine generator and the supply of the cooling medium to the superconducting battery are performed efficiently to reduce the consumption of liquid hydrogen. In addition to installing a relatively large superconducting battery at the lower part of the cabin that does not interfere It has the advantage that it can be effectively utilized for cooling.

The present invention also relates to a power supply device for a vehicle motor powered by a superconducting battery which is charged by electric power generated by a hydrogen engine generator. In particular, the present invention relates to a hydrogen engine using hydrogen which is cooled and vaporized by cooling the superconducting battery. The power generation of the generator is performed, and there is an advantage that the fuel supply to the hydrogen engine generator and the supply of the cooling medium to the superconducting battery can be performed efficiently.

Further, the present invention relates to a power supply device for a vehicle motor powered by a superconducting battery charged by the power generated by a hydrogen engine generator, and in particular, the power generated by a solar cell is subjected to water electrolysis. A means for supplying hydrogen generated by giving to the water splitting device to the hydrogen engine generator is provided, so that the fuel supply to the hydrogen engine generator and the supply of the cooling medium to the superconducting battery are efficiently performed. It has the advantage of being able to.

In the power supply device for a vehicle motor according to the present invention, a generator driven by the motor is provided to regenerate the generated output to the superconducting battery, and the superconducting battery is mainly charged. This has an excellent advantage that the power storage efficiency of the superconducting battery can be effectively increased while suppressing the fuel consumption of the hydrogen engine generator to be used.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one configuration example of a power supply device for a vehicle motor according to the present invention.

FIG. 2 is a simplified diagram showing an example of a state in which each component of a power supply device for a vehicle motor according to the present invention is disposed in a vehicle.

FIG. 3 is a block diagram showing another configuration example of the power supply device for the vehicle motor according to the present invention.

FIG. 4 is a block diagram showing still another configuration example of the power supply device for a vehicle motor according to the present invention.

FIG. 5 is a block diagram showing still another configuration example of the power supply device for a vehicle motor according to the present invention.

FIG. 6 is a simplified diagram showing another example of a state in which the components of the power supply device for a vehicle motor according to the present invention are disposed in a vehicle.

FIG. 7 is a block diagram showing still another configuration example of the power supply device for a vehicle motor according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hydrogen engine generator 2 Liquid hydrogen storage part 3 Superconducting battery 4 Motor 5 Generator 6 Solar cell 7 Thermal insulation case 8 Opening / closing part 10 Hydrogen storage part 11 Water decomposition device

Claims (7)

[Claims] 1. A power supply device for a vehicle motor powered by a superconducting battery charged by electric power generated by a hydrogen engine generator, wherein a superconducting battery supplied with a cooling medium is housed in a heat insulating case provided with an opening / closing portion. A power supply device for a vehicle motor, wherein the heat insulating case is disposed in a lower part of a vehicle compartment, and an opening and closing portion of the heat insulating case is opened to cool the vehicle interior. 2. A power supply apparatus for a motor for a vehicle according to claim 1, wherein a generator driven by the motor is provided to regenerate an output of the generator to the superconducting battery. 3. The power supply device for a vehicle motor according to claim 1, wherein the hydrogen engine generator generates electric power by hydrogen vaporized by cooling the superconducting battery. 4. The vehicle according to claim 1, wherein the hydrogen is supplied to the hydrogen engine generator via a hydrogen storage unit that cools the superconducting battery to absorb and store the vaporized hydrogen. Power supply for motors. 5. The power supply device for a vehicle motor according to claim 1, wherein the superconducting battery is charged by the electric power generated by the solar cell. 6. A system according to claim 1, further comprising means for supplying hydrogen generated by applying a power generated by the solar cell to a water splitter for electrolyzing water to a hydrogen engine generator. Power supply device for a vehicle motor according to the description. 7. The power supply device for a vehicle motor according to claim 1, wherein the water generated by the hydrogen engine generator is supplied to a water splitting device.