JPH08131382A - Vacuum cleaner - Google Patents

Abstract

PURPOSE: To provide a vacuum cleaner which enables continuous application by timely refilling the fuel without a power source cord. CONSTITUTION: An electric blower 2, a fuel cell 3 and a hydrogen cylinder 4 as fuel tank are provided inside the main body 1 of a vacuum cleaner. A hydrogen gas of the hydrogen cylinder 4 is introduced into a hydrogen electrode of the fuel cell 3 by a specified pressure via a conduit 7 while air diffuses into the fuel cell 3 from a filter part 5 to supply oxygen in the air to the oxygen electrode and an electromotive force is generated by an electrochemical reaction in the fuel cell 3 so that power is supplied to the electric blower 2 to make operation ready for cleaning by collecting dust. Casters 8 are mounted on the electric cleaner 1, and the fuel cell 3 and the hydrogen cylinder 4 are built in. This constitution eliminates the need for pulling around a power cord during cleaning while moving. Moreover, continuous use of hydrogen cylinder 4 is enabled by exchanging it for a new cylinder after the hydrogen thereof is consumed up.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vacuum cleaner which can be continuously used by incorporating a fuel cell as a power source, eliminating the conventional power cord, and refueling the fuel in a timely manner.

[0002]

2. Description of the Related Art Conventionally, as an electric vacuum cleaner for supplying electric power from a rechargeable power supply device, for example, Japanese Patent Laid-Open No. 5-1 shown in FIG.
There was a structure of 11446 gazette. As shown in the figure, reference numeral 1 is a main body of an electric vacuum cleaner, in which a rechargeable battery 3 and a charger 4 are mounted inside a power supply box 2 and a cord 5 with a plug for charging is attached. The machine is operated by the AC power supply of the house, but when using it in a place without the AC power supply, first connect the cord 5 with the plug of the power supply box 2 to the AC power supply of the house and use the charger 4 to charge the rechargeable battery 3. The electric vacuum cleaner 1 is mounted and fixed on the power supply box 2 after being charged and made usable, and used while being moved.

[0003]

However, in the above conventional structure, the power cord of the main body of the electric vacuum cleaner 1 is used in normal indoor use, and therefore the power cord is used while being cleaned. It is inconvenient, and moreover, in order to use it in a cordless state without using an indoor AC power supply, it takes time for charging the rechargeable battery 3, and the vacuum cleaner cannot be operated during charging, so charging There is a problem that the operating time is limited because the battery can be continuously operated only by the capacity, the user cannot continuously use the battery at an arbitrary time, and the battery must be charged before cleaning.

A first object of the present invention is to solve the above-mentioned problems of the prior art. It has no power cord during cleaning, does not require time for charging, and can be continuously used by replenishing fuel in a timely manner. Is to provide a good vacuum cleaner.

A second object is to provide an electric vacuum cleaner which is excellent in safety when fuel is replenished in a timely manner, small in size, and highly convenient.

A third object is to provide an electric vacuum cleaner which can be stably operated by supplementing and supplying electric power to the electric blower even when the power generation output of the fuel cell is reduced.

A fourth object is to provide an electric vacuum cleaner which can reduce running costs by using a hydrocarbon fuel such as methanol which is industrially manufactured at low cost.

A fifth object is to provide an electric vacuum cleaner which simplifies the heating structure of the thermal reforming catalyst for reforming the fuel and downsizes the equipment.

A sixth object is to provide an electric vacuum cleaner capable of efficiently producing hydrogen while keeping the catalytic activity of the reforming catalyst always in an optimum state.

A seventh object is to provide an electric vacuum cleaner capable of efficiently producing hydrogen by controlling the temperature of the thermal reforming catalyst portion with high accuracy and keeping the catalytic activity always in an optimum state.

An eighth object of the present invention is to provide an electric vacuum cleaner capable of treating fine particles such as carcasses contained in a house and bacteria contained in the exhaust gas stream by combustion and incineration to eliminate the ash and sterilize.

A ninth object is to provide an electric vacuum cleaner capable of decomposing and removing odorous components contained in an exhaust flow.

A tenth object is to provide an electric vacuum cleaner which can be restarted without fail even when the storage battery is spontaneously discharged without being used for a long period of time and the usability of the user is improved.

An eleventh object is to provide an electric vacuum cleaner which does not need to use any other power source as electric power for the first operation start even when the storage battery is naturally discharged without being used for a long period of time. Is.

[0015]

In order to solve the above problems, the present invention has the following constitution. That is, the fuel cell and the electric blower to which the power generation output of the fuel cell is supplied are provided.

As a second configuration, a portable hydrogen cylinder as a fuel tank for storing the fuel supplied to the fuel cell, and a pressure regulator for adjusting the supply amount from the hydrogen cylinder are provided. It is configured.

As a third structure, a storage battery for storing a part of the power generation output of the fuel cell is provided.

As a fourth configuration, a thermal reforming catalyst section for reforming hydrocarbon fuel and a combustion section for heating the thermal reforming catalyst section are provided.

As a fifth configuration, a thermal reforming catalyst section for reforming hydrocarbon fuel and an electric heater section for heating the thermal reforming catalyst section are provided.

As a sixth configuration, temperature detecting means for detecting the temperature of the thermal reforming catalyst portion, and combustion amount adjusting means for adjusting the combustion amount in the combustion portion based on the output signal of the temperature detecting means. It has a configuration with.

As a seventh structure, a temperature detecting means for detecting the temperature of the thermal reforming catalyst portion, and a heater power adjusting means for adjusting the amount of heat generated in the electric heater portion based on the output signal of the temperature detecting means. It has a configuration including and.

As an eighth structure, an exhaust gas incineration unit is provided downstream of the electric blower and directly exchanges heat with the exhaust gas flow in the combustion unit or the electric heater unit.

As a ninth structure, a deodorizing catalyst part is provided downstream of the electric blower and is heated by a combustion part or an electric heater part.

As a tenth structure, a battery charger for charging the storage battery from an indoor AC power source is provided.

The eleventh structure is provided with a manual handle, a transmission connected to the manual handle, and a connecting portion for transmitting the rotational force of the transmission to the electric blower.

[0026]

The electric vacuum cleaner of the present invention having the above-described structure has the following functions. That is, when fuel is supplied to the fuel cell, an electromotive force is generated in the fuel cell due to an electrochemical reaction, a DC power generation output is supplied to the electric blower, and the electric blower is in an operating state, so that dust collection and cleaning can be performed. Since the electric vacuum cleaner body is equipped with a fuel cell, it is not necessary to pull the power cord around even during cleaning, and it can be continuously used by replenishing the fuel in a timely manner.

In addition, the second configuration is provided with a portable hydrogen cylinder as a fuel tank for storing fuel, and a pressure regulator for adjusting the supply amount from the hydrogen cylinder, so that the user can adjust the pressure. When the regulator is opened from the fully closed state to the predetermined state, hydrogen fuel is supplied from the hydrogen cylinder, DC power is generated in the fuel cell, the electric blower is in the operating state, and dust collection and cleaning can be performed. After all the hydrogen cylinder fuel is consumed,
If it is replaced with a new hydrogen cylinder, it can be used continuously for practical purposes.

Further, according to the third structure having the storage battery for storing a part of the power generation output of the fuel cell, the electric power is supplied from the fuel cell to the electric blower and the storage battery is stored in the normal operation. When the power generation output of the fuel cell decreases for some reason, the storage battery can supplement and supply electric power to the electric blower, and the electric vacuum cleaner can be stably operated.

Further, the carbonization stored in the fuel cylinder is constituted by the fourth structure having the thermal reforming catalyst section for reforming hydrocarbon fuel and the combustion section for heating the thermal reforming catalyst section. Part of the hydrogen-based fuel is supplied to the thermal reforming catalyst section, and the other is supplied to the combustion section. In the combustion unit, the ignition heater is heated to start combustion by using the storage battery as a power source, the combustion heat generated is transferred to the thermal reforming catalyst unit, the decomposition reaction which is an endothermic reaction proceeds, and hydrogen is generated. Electric power can be generated from a fuel cell as fuel, and an electric blower can be driven.

Further, according to the fifth structure having a thermal reforming catalyst section for reforming hydrocarbon fuel and an electric heater section for heating the thermal reforming catalyst section, the fuel is stored in a fuel cylinder. The hydrocarbon-based fuel is supplied to the thermal reforming catalyst section, the electric heater section is supplied with electric power from the storage battery, and the Joule heat generated in the electric heater section is transferred to the thermal reforming catalyst section.
The decomposition reaction, which is an endothermic reaction, progresses to produce hydrogen, and this hydrogen is used as a fuel to generate a power generation output in the fuel cell, and the electric blower can be driven.

Further, a sixth structure having a temperature detecting means for detecting the temperature of the thermal reforming catalyst portion and a combustion amount adjusting means for adjusting the combustion amount in the combustion portion based on the output signal of the temperature detecting means. With the configuration provided, when the temperature of the thermal reforming catalyst section is lower than a predetermined value based on the output signal of the temperature detecting means, the combustion amount adjusting means increases the combustion amount in the combustion section to increase the thermal reforming catalyst. On the contrary, when the temperature of the thermal reforming catalyst section is high, the combustion amount can be decreased to lower the temperature, and the temperature of the thermal reforming catalyst section can be controlled to a predetermined temperature. In addition, the reforming catalyst activity can always be kept in an optimum state, and hydrogen can be efficiently generated.

Further, in the seventh construction, temperature detecting means for detecting the temperature of the thermal reforming catalyst portion, and heater power adjusting means for adjusting the amount of heat generated in the electric heater portion based on the output signal of the temperature detecting means. According to the output signal of the temperature detecting means, when the temperature of the thermal reforming catalyst portion is lower than a predetermined value, the heater power adjusting means increases the heat generation amount in the electric heater portion to improve the heat. If the temperature of the thermal reforming catalyst part is high, on the contrary, the heat generation amount can be reduced to lower the temperature, and the temperature of the thermal reforming catalyst part can be controlled to a predetermined temperature. Therefore, the catalytic activity in the thermal reforming catalyst section can be always kept in an optimum state, and hydrogen can be efficiently generated.

In the eighth structure, which is provided on the downstream side of the electric blower and has an exhaust incineration section that directly exchanges heat with the exhaust flow in the combustion section or the electric heater section, the exhaust flow generated by the operation of the electric blower is achieved. Passes through an exhaust incinerator provided on the downstream side. Since the combustion part or the electric heater part is exposed in the exhaust incineration part, and the exhaust flow directly contacts the high temperature part, the incineration of fine particles such as carcasses of houses and bacteria contained in the exhaust flow is incinerated. Since it can be treated by the method, the fine particles in the exhaust stream can be ashed and sterilized.

Further, according to the ninth configuration, which is provided on the downstream side of the electric blower and has the deodorizing catalyst section heated by the combustion section or the electric heater section, the exhaust flow generated by the operation of the electric blower is on the downstream side. It passes through the deodorizing catalyst section provided in the. Since the deodorization catalyst part is heated by the combustion part or the electric heater part, the catalytic activity is enhanced, and the odorous components contained in the exhaust flow can be decomposed and removed.

In the tenth structure, which is provided with the charger for charging the storage battery from the indoor AC power supply, the storage battery is charged by a part of the power generation output of the fuel cell during normal use, but is used for a long time. If the storage battery spontaneously discharges without doing so, the power for the first operation start can be obtained by charging the storage battery with the charger using the AC power supply in the room.

Also, according to the eleventh structure, the manual handle, the transmission connected to the manual handle, and the connecting portion for transmitting the rotational force of the transmission to the motor portion of the electric blower are used. The rotational force obtained by a person rotating the manual handle is increased in speed by the transmission and transmitted to the motor section of the electric blower through the connecting section, and the motor section of the electric blower rotates to generate electric power. In normal use, the storage battery is charged by a part of the power output of the fuel cell, but if the storage battery is not used for a long time and the storage battery discharges naturally, the power for the first operation start is supplied by the user with the manual handle. It can be obtained by rotating the battery and causing the motor part of the electric blower to generate power to charge the storage battery.

[0037]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of an electric vacuum cleaner according to a first embodiment of the present invention. In FIG. 1, reference numeral 1 is a main body of an electric vacuum cleaner, in which an electric blower 2, a solid polymer electrolyte type fuel cell 3, and a hydrogen cylinder 4 as a fuel tank are mounted. A filter unit 5 through which ambient air passes is provided, and the hydrogen cylinder 4 and the fuel cell 3 are connected by a conduit 7 via a regulator 6 which is a pressure regulator. Reference numeral 8 is a caster for movement, and 9 is a removable rear lid portion.

In the above structure, when the user opens the regulator 6 from the fully closed state to the predetermined opening with the rear cover 9 removed, the hydrogen gas in the hydrogen cylinder 4 passes through the conduit 7 at a predetermined pressure. On the other hand, the air is guided to the hydrogen electrode of the fuel cell 3, while the air is diffused from the filter portion 5 to the fuel cell 3 and the oxygen in the air is supplied to the oxygen electrode, an electromotive force is generated by an electrochemical reaction in the fuel cell 3, and an electric blower is generated. Power is supplied to the 2 to put it in an operating state and dust cleaning can be performed. Since the electric vacuum cleaner 1 has the casters 8 attached and the fuel cell 3 and the hydrogen cylinder 4 are built-in, it is not necessary to pull the power cord around even during cleaning while moving, and moreover, all the hydrogen in the hydrogen cylinder 4 is consumed. After it is replaced, it can be practically used continuously by replacing it with a new cylinder.

FIG. 2 is a block diagram of an electric vacuum cleaner according to a second embodiment of the present invention, in which components having the same reference numerals as those in FIG. 1 are corresponding components, and detailed description thereof will be omitted. In the figure, the vacuum cleaner 1 includes a charger 10, a storage battery 11, a methanol tank 12 which is a fuel tank for hydrocarbon fuel, a concentric cylindrical hydrogen conduit 13, a thermal reforming catalyst section 14, and a combustion section. A certain catalytic combustion unit 15, a deodorizing catalyst unit 16, and an exhaust passage 17 are mounted. The thermal reforming catalyst section 14 has a temperature detecting means 18
However, the ignition heater 19 is provided in the catalytic combustion unit 15 which is the combustion unit.
Are provided respectively. Reference numeral 20 is a fuel pump for supplying fuel from the methanol tank 12, and a combustion amount adjusting means 21 is provided on the downstream side thereof. Reference numeral 22 is a methanol supply port, 23 is a cord with a plug for charging, and 24 is a partition wall portion for forming an exhaust flow.

In the above structure, the methanol supply port 22
The methanol supplied to the methanol tank 12 from the fuel tank 20 is pumped by the fuel pump 20 and supplied to the thermal reforming catalyst section 14 and the catalytic combustion section 15 by the fuel adjusting means 21. In the catalytic combustion unit 15, catalytic combustion is started by the ignition heater 19, the temperature of the thermal reforming catalyst unit 14 rises, the supplied methanol is decomposed into a hydrogen rich gas by an endothermic reaction, and is passed through the hydrogen conduit 13 to the fuel cell 3. Supplied. still,
Ignition heater 19, fuel pump 20, combustion amount adjusting means 2
The necessary electric power is supplied to No. 1 from the storage battery 11 which is precharged and mounted. The hydrogen gas generated by decomposition is guided to the hydrogen electrode of the fuel cell 3, while the air is diffused from the filter unit 5 to the fuel cell 3 and the oxygen in the air is supplied to the oxygen electrode. An electromotive force is generated, and a part of the electricity is stored in the storage battery 11, while electric power is supplied to the electric blower 2 to enter an operating state. In normal operation, electric power is supplied from the fuel cell 3 to the electric blower 2 and the storage battery 11 is charged to a predetermined capacity. However, when the power generation output of the fuel cell 3 is lowered for some reason, the storage battery 11
Power can be supplied to the electric blower 2 from
The electric vacuum cleaner 2 can be operated stably. Methanol, which is used as a fuel, is industrially manufactured at a low cost, so running costs can be reduced, biotechnology can be used to produce agricultural products, contribute to the global environment, and it can be handled as a liquid fuel. You can easily. Further, the exhaust gas flow generated by the operation of the electric blower 2 is
The deodorizing catalyst portion 16 whose flow path is regulated and guided to the exhaust passage 17 by the combustion heat of the catalytic combustion portion 15 and which is in an active state is decomposed and removed from the odor component and exhausted. No odor is released. Further, since the hydrogen gas decomposition and production capacity of the thermal reforming catalyst unit 14 is affected by the temperature of the catalyst unit, the combustion amount adjusting unit 21 supplies the hydrogen gas to the catalytic combustion unit 15 based on the temperature signal detected by the temperature detecting unit 18. When the temperature of the thermal reforming catalyst unit 14 is lower than a predetermined value, the combustion amount adjusting means 21 increases the combustion amount in the catalyst combustion unit 15 by controlling the supply amount of the methanol fuel to be generated. If the temperature of the thermal reforming catalyst portion 14 is high, on the contrary, the combustion amount can be reduced to lower the temperature.
Since the temperature of 4 can be controlled to a predetermined temperature, the catalytic activity of the reforming catalyst can always be kept in an optimum state, and hydrogen can be efficiently generated. Further, since the storage battery 11 can be charged with the electric power supplied from the cord 23 with the plug for charging by the charger 10, the storage battery 11 is not used for a long period of time.
When the battery is spontaneously discharged, the power for the first operation start can be obtained by charging the storage battery 11 with the charger 10 using the AC power supply in the room, and when the battery is not used for a long time. Can be reliably restarted, and user convenience can be improved.

FIG. 3 is a sectional view of an essential part of an electric vacuum cleaner according to a third embodiment of the present invention, in which the same reference numerals as those in FIGS. 1 and 2 represent corresponding components, and detailed description thereof will be omitted. . In the figure, reference numeral 25 denotes a linear electric heater portion, which is exposed and wound around the thermal reforming catalyst portion 14, and a guide plate 26 is provided in the exhaust passage 17 and the guide plate 26 is provided. An exhaust incinerator 27 is provided on the downstream side, and the temperature detecting means 18
Is connected to the heater power adjusting means 28 by a signal line, and the electric heater section 25 and the storage battery 11 are connected via a power line via the heater power adjusting means 28.

In the above configuration, electric power is supplied to the electric heater section 25 from the storage battery 11, and the electric heater section 25 is supplied with electric power.
The Joule heat generated in 1 is transferred to the thermal reforming catalyst unit 14, a decomposition reaction which is an endothermic reaction proceeds, and hydrogen is generated,
With this hydrogen as a fuel, a power generation output can be obtained in the fuel cell 3,
The electric blower 2 can be driven. The electric heater 25 only needs to be wound around the thermal reforming catalyst 14, and the structure can be simplified. Further, based on the output signal of the temperature detecting means 18, when the temperature of the thermal reforming catalyst portion 14 is lower than a predetermined value, the heater power adjusting means 28 lengthens the energization time to generate heat in the electric heater portion 25. Can be increased to raise the temperature of the thermal reforming catalyst section 14, and conversely, when the temperature of the thermal reforming catalyst section 14 is high, the energization time can be shortened to reduce the calorific value and lower the temperature. Since the temperature of the thermal reforming catalyst unit 14 can be controlled to a predetermined temperature, the catalytic activity can always be kept in an optimum state, and hydrogen can be efficiently generated. Since the electric heater 25 can control the heat generation amount with good responsiveness by controlling the energization time, the thermal reforming catalyst unit 14
The temperature of can be controlled accurately. Further, since the exhaust flow from the electric blower 2 is guided to the electric heater unit 25 by the guide plate 26 and passes through the exhaust incineration unit 27, the exhaust flow directly contacts the high temperature electric heater unit 25 and is included in the exhaust flow. Since fine particles such as carcasses of living houses and bacteria can be treated by combustion and incineration, fine particles in the exhaust stream can be ashed and sterilized. Needless to say, even when the catalytic combustion unit 15 is provided instead of the electric heater unit 25, the above-described effect of the exhaust combustion unit 27 can be obtained.

FIG. 4 is a cross-sectional view of an essential part of an electric vacuum cleaner according to a fourth embodiment of the present invention, in which the same reference numerals as those in FIGS. 1, 2 and 3 are corresponding components, and detailed description thereof will be given. Is omitted.
In the figure, reference numeral 29 denotes a connecting portion connected to a rotating shaft of a motor portion of the electric blower 2, and the transmission 30 fixed to the main body of the electric vacuum cleaner 1 and the connecting portion 29 are connected by a connecting rod 31. A detachable manual handle 32 is attached to the convex portion of the transmission 30.

In the above structure, the rotational force obtained by the user rotating the manual handle 32 mounted on the convex portion of the transmission 30 is increased by the transmission 30, and is transmitted via the connecting rod 31 and the connecting portion 29. Transmitted to the motor part of the electric blower 2,
The motor part of the electric blower 2 rotates to generate electric power. In normal use, the storage battery 11 is charged by a part of the power output of the fuel cell 3, but the storage battery 11 is not used for a long period of time.
In the case of spontaneous discharge of electricity, the user can obtain electric power for starting the first operation by rotating the manual handle 32 and causing the motor of the electric blower 2 to generate electric power to charge the storage battery 11. , There is no need to use any other power source.

[0046]

As described above, the electric vacuum cleaner of the present invention has the following effects.

That is, when the fuel is supplied to the fuel cell, an electromotive force is generated by an electrochemical reaction in the fuel cell, and the direct-current power generation output is supplied to the electric blower.
With this configuration, the electric blower is in an operating state, and dust collection and cleaning can be performed. Since the fuel cell is provided in the vacuum cleaner body, power can be generated inside the vacuum cleaner body, and it is not necessary to run the power cord even during cleaning, and moreover, it can be continuously used by replenishing the fuel at appropriate times.

Further, according to the second structure in which the portable hydrogen cylinder as a fuel tank for storing fuel and the pressure regulator for adjusting the supply amount from the hydrogen cylinder are provided, the user can adjust the pressure regulator. When the valve is opened from the fully closed state to a predetermined state, hydrogen fuel is supplied from the hydrogen cylinder, DC power is generated in the fuel cell, the electric blower is in an operating state, and dust collection and cleaning can be performed. After all the hydrogen cylinder fuel is consumed,
If it is replaced with a new hydrogen cylinder, it can be used continuously for practical purposes. Further, hydrogen can be directly used as a fuel for a fuel cell, a fuel reforming device is not required, and the device can be downsized.

Further, according to the third configuration in which the storage battery for storing a part of the power generation output of the fuel cell is provided, in the normal operation, electric power is supplied from the fuel cell to the electric blower and the storage battery is stored up to a predetermined capacity. When, for some reason, the power generation output of the fuel cell is reduced, electric power can be supplemented and supplied from the storage battery to the electric blower, and the electric vacuum cleaner can be stably operated.

Further, according to the fourth construction in which the thermal reforming catalyst section for reforming the hydrocarbon fuel and the combustion section for heating the thermal reforming catalyst section are provided, the hydrocarbon system stored in the fuel cylinder is provided. Part of the fuel is supplied to the thermal reforming catalyst section, and the other is supplied to the combustion section. In the combustion unit, the ignition heater is heated to start combustion by using the storage battery as a power source, the combustion heat generated is transferred to the thermal reforming catalyst unit, the decomposition reaction which is an endothermic reaction proceeds, and hydrogen is generated. Electric power can be generated from a fuel cell as fuel, and an electric blower can be driven. In addition, since hydrocarbon-based fuels such as methanol are industrially manufactured at low cost, running costs can be reduced, and since they are liquid fuels, they are easy to handle.

The hydrocarbon stored in the fuel cylinder has a fifth structure in which a thermal reforming catalyst section for reforming a hydrocarbon fuel and an electric heater section for heating the thermal reforming catalyst section are provided. The system fuel is supplied to the thermal reforming catalyst section, the electric heater section is supplied with electric power from the storage battery, and the Joule heat generated in the electric heater section is transferred to the thermal reforming catalyst section.
The decomposition reaction, which is an endothermic reaction, progresses to produce hydrogen, and this hydrogen is used as a fuel to generate a power generation output in the fuel cell, and the electric blower can be driven. The electric heater can be simplified in structure only by disposing it around the thermal reforming catalyst. In addition, since hydrocarbon-based fuels such as methanol are industrially manufactured at low cost, running costs can be reduced, and since they are liquid fuels, they are easy to handle.

Further, there is provided a sixth aspect in which temperature detection means for detecting the temperature of the thermal reforming catalyst portion and combustion amount adjustment means for adjusting the combustion amount in the combustion portion based on the output signal of the temperature detection means are provided. According to the configuration, based on the output signal of the temperature detection means, when the temperature of the thermal reforming catalyst section is lower than a predetermined value, the combustion amount adjusting means increases the combustion amount in the combustion section to increase the combustion amount of the thermal reforming catalyst section. On the contrary, when the temperature of the thermal reforming catalyst part is high, the combustion amount can be decreased to lower the temperature, and the temperature of the thermal reforming catalyst part can be controlled to a predetermined temperature. The catalytic activity of the high quality catalyst can always be kept in an optimum state, and hydrogen can be efficiently generated.

Further, the present invention comprises a temperature detecting means for detecting the temperature of the thermal reforming catalyst portion, and a heater power adjusting means for adjusting the amount of heat generated in the electric heater portion based on the output signal of the temperature detecting means. With this configuration, when the temperature of the thermal reforming catalyst section is lower than a predetermined value based on the output signal of the temperature detecting means, the heat generation amount in the electric heater section is increased by the heater power adjusting means to increase the heat reforming catalyst. On the contrary, when the temperature of the thermal reforming catalyst part is high, the calorific value can be reduced to lower the temperature, and the temperature of the thermal reforming catalyst part can be controlled to a predetermined temperature. , The catalytic activity can always be kept in an optimum state, and hydrogen can be efficiently generated. Since the electric heater can control the heat generation amount with good response by controlling the energization time, the temperature of the thermal reforming catalyst section can be controlled with high accuracy.

Further, according to the eighth construction, which is provided on the downstream side of the electric blower and has the exhaust incineration section for directly exchanging heat with the exhaust flow in the combustion section or the electric heater section, the exhaust flow generated by the operation of the electric blower is It passes through an exhaust incineration unit provided on the downstream side. Since the combustion part or the electric heater part is exposed in the exhaust incineration part, and the exhaust flow directly contacts the high temperature part, the incineration of fine particles such as carcasses of houses and bacteria contained in the exhaust flow is incinerated. Since it can be treated by the method, the fine particles in the exhaust stream can be ashed and sterilized.

Further, according to the ninth structure, which is provided on the downstream side of the electric blower and has the deodorizing catalyst section heated by the combustion section or the electric heater section, the exhaust flow generated by the operation of the electric blower is provided on the downstream side. It passes through the deodorizing catalyst part. Since the deodorization catalyst part is heated by the combustion part or the electric heater part, the catalytic activity is enhanced, and the odorous components contained in the exhaust flow can be decomposed and removed.

Further, according to the tenth construction in which the storage battery is equipped with a charger for charging from an indoor AC power source, the storage battery is stored by a part of the power generation output of the fuel cell during normal use, but is not used for a long time. If the storage battery spontaneously discharges into the battery, the power for the first operation start can be obtained by charging the storage battery with the charger using the AC power supply in the room, and if it has not been used for a long time, Can be reliably restarted, and user convenience can be improved.

The first aspect further includes a manual handle, a transmission connected to the manual handle, and a connecting portion for transmitting the rotational force of the transmission to the motor section of the electric blower.
According to the configuration of 1, the user can rotate the manual handle to generate power by the motor part of the electric blower, so that the storage battery is stored by a part of the power generation output of the fuel cell during normal use, but is not used for a long time. When the storage battery discharges spontaneously, the power for the first operation start can be obtained by the user rotating the manual handle and causing the motor part of the electric blower to generate power to charge the storage battery. There is no need to use any power source.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an electric vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is a configuration diagram of an electric vacuum cleaner according to a second embodiment of the present invention.

FIG. 3 is a sectional view of an essential part of an electric vacuum cleaner according to a third embodiment of the present invention.

FIG. 4 is a configuration diagram of essential parts of an electric vacuum cleaner according to a fourth embodiment of the present invention.

FIG. 5 is a configuration diagram of a conventional electric vacuum cleaner.

[Explanation of symbols]

 1 vacuum cleaner 2 electric blower 3 fuel cell 4 hydrogen cylinder 6 pressure regulator

Claims (11)

[Claims] 1. An electric vacuum cleaner comprising a fuel cell and an electric blower to which the power output of the fuel cell is supplied. 2. The electricity according to claim 1, further comprising a portable hydrogen cylinder as a fuel tank for storing fuel supplied to the fuel cell, and a pressure regulator for adjusting a supply amount from the hydrogen cylinder. Vacuum cleaner. 3. The vacuum cleaner according to claim 1, further comprising a storage battery that stores a part of the power generation output of the fuel cell. 4. The vacuum cleaner according to claim 3, further comprising a thermal reforming catalyst section for reforming hydrocarbon fuel and a combustion section for heating the thermal reforming catalyst section. 5. The electric vacuum cleaner according to claim 3, further comprising a thermal reforming catalyst section for reforming a hydrocarbon fuel and an electric heater section for heating the thermal reforming catalyst section. 6. A temperature detecting means for detecting the temperature of the thermal reforming catalyst portion, and a combustion amount adjusting means for adjusting the combustion amount in the combustion portion based on the output signal of the temperature detecting means.
Vacuum cleaner as described. 7. A temperature detecting means for detecting the temperature of the thermal reforming catalyst portion, and a heater power adjusting means for adjusting the amount of heat generated in the electric heater portion based on an output signal of the temperature detecting means. The electric vacuum cleaner described in 5. 8. The electric vacuum cleaner according to claim 4, further comprising an exhaust incineration unit which is provided on the downstream side of the electric blower and which directly exchanges heat with an exhaust flow in a combustion unit or an electric heater unit. 9. The electric vacuum cleaner according to claim 4, further comprising a deodorizing catalyst portion which is provided on the downstream side of the electric blower and which is heated by a combustion portion or an electric heater portion. 10. The electric vacuum cleaner according to claim 4, further comprising a charger for charging the storage battery from an indoor AC power source. 11. The electric vacuum cleaner according to claim 3, further comprising a manual handle, a transmission connected to the manual handle, and a connecting portion for transmitting a rotational force of the transmission to an electric blower.