JP2002330556A - Power supply device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that there is difficulty in transportation with the conventional structure, when it is used in other places as an independent power supply. SOLUTION: This power supply device has a solar cell panel part 101, a frame 102 for fixing the solar cell panel 101, an electric storage means 103 storing energy derived from the solar cell panel 101, a charge control means 104 controlling charging of the electric storage means 103, and an inverter 105 converting DC power of the electricity storage means 103 to AC power. The electric storage means 103, the charging control means 104 and the inverter 105 are disposed in the space surrounded with the solar cell panel 101 and the frame 102, opposite to the light entrance surface of the solar cell panel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable power supply device in which a use place can be freely selected.

[0002]

2. Description of the Related Art A power converter for converting DC power from a solar cell into AC power at a commercial frequency for use has, for example, a configuration shown in FIG. This power converter includes a solar cell 901 and a charge control unit 902.
, Power storage means 903, DC / DC boost converter 90
4, an electrolytic capacitor 905 for voltage stabilization, and an inverter 906 for supplying commercial power.

[0003] The DC power supplied from the solar cell 901 is charged by the charge control means 902 to the power storage means 90.
After being boosted from 12 V to a commercial power supply voltage or more by a DC / DC boost converter, the electrolytic capacitor 90
5 to the inverter 906,
06 as commercial AC power, and
7 is operated.

[0004]

In the above-described conventional power converter, the components such as the solar cell 901 are configured as separate components, and are used as independent power sources in different places. In such cases, there is a problem that it is difficult to carry.

[0005]

According to the present invention, a solar cell panel, a frame for mounting the solar cell panel, a power storage means for storing energy obtained from the solar cell panel, and charging of the power storage means are controlled. A charge control unit and an inverter for converting DC power of the power storage unit to AC power are provided as constituent elements, and the power storage unit, the charge control unit, and the inverter unit are on a side opposite to a light incident surface of the solar cell panel. Thus, the power supply device is provided in a space surrounded by the solar cell panel and the frame.

For this reason, the power storage means, the charge control means, and the inverter means are integrated with the solar cell panel and can be easily carried when used as an independent power source in another place, and are easy to use. This implements a power supply device.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is a solar cell panel, a frame for mounting the solar cell panel, a power storage means for storing energy obtained from the solar cell panel, and a charging of the power storage means. And charging control means for controlling the DC power of the power storage means to an AC power as an inverter,
The power storage means, the charge control means, and the inverter are on the side opposite to the light incident surface of the solar cell panel,
The power supply device has a configuration provided in a space surrounded by the solar cell panel and the frame.

For this reason, the power storage means, the charge control means, and the inverter are integrated with the solar cell panel, and can be easily carried as an independent power supply when used in another place, and are easy to use. It implements the device.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the power storage means is configured to be detachable from a space. For this reason, the power storage device can be attached and detached as needed, and can be detached when carrying the device to reduce its weight, thereby providing a convenient power supply device.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the inverter is detachable from a space. For this reason, the power storage device can be attached and detached as needed, and can be detached when carrying the device to reduce its weight, thereby providing a convenient power supply device. Alternatively, one or both of the power storage means and the inverter can be removed and used as another independent power supply.

According to a fourth aspect of the present invention, in addition to the configuration according to any one of the first to third aspects, the charge control means includes a connection protruding from a main body of the charge control means connected to the power storage means or the inverter. Terminal
After the power storage means or the inverter is separated from the charge control means, the connection terminals are covered with a waterproof cover.

Therefore, even if one or both of the power storage means and the inverter are removed, the waterproof cover does not cause rain on the connection terminals of the charge control means, and the power supply apparatus can guarantee reliability or durability. I have.

According to a fifth aspect of the present invention, in addition to the configuration according to any one of the first to fourth aspects, the solar cell panel and the frame constitute a plurality of units, each unit being foldable or stacked. It has a flexible configuration. Therefore, when used as an independent power supply in another place, the power supply device is easily portable and easy to use.

According to a sixth aspect of the present invention, in addition to the configuration according to any one of the first to fifth aspects, the unit further comprises:
The terminal is provided with a terminal for connecting an electric device protruding outside.

For this reason, the power supply device can be used simply by connecting an electric device to a terminal provided in the unit.

According to a seventh aspect of the present invention, in addition to the configuration of any one of the first to sixth aspects, the unit has a hinge structure.

For this reason, a plurality of units are folded to
The power supply unit can be very easily integrated into a single unit.

According to an eighth aspect of the present invention, in addition to the configuration of the seventh aspect, one of the units is provided with a damper which fits into the unit when another unit is folded. .

For this reason, at the time of folding work. The power supply unit can be safely folded without a sudden load being applied to the lower unit and the circuit components housed therein, and the upper unit being not suddenly collapsed.

According to a ninth aspect of the present invention, in addition to the configuration according to any one of the first to eighth aspects, the unit has a handle, and the handle can maintain the unit at a predetermined elevation angle.

For this reason, the power supply device can easily adjust the angle at which the solar cell receives sunlight, can increase the amount of power generation, and can easily carry the device.

According to a tenth aspect of the present invention, in addition to the configuration according to any one of the first to ninth aspects, the solar cell panel is arranged such that the power generation surface is turned upside down when the solar cell panel is mounted on the frame. Configuration. For this reason, the power supply device is capable of receiving solar light even when being carried, and constantly generating power.

According to an eleventh aspect of the present invention, in addition to the configuration according to any one of the first to ninth aspects, the solar cell panel is arranged such that the power generation surface faces inside when mounted on the frame. Configuration.

For this reason, for example, the power supply device can protect the solar cell even if it collides with something while carrying it.

According to a twelfth aspect of the present invention, in addition to the configuration according to any one of the first to eleventh aspects, the power storage means is configured to have a rated voltage equal to or higher than the maximum value of the commercial AC voltage.

For this reason, the power supply apparatus has a simple configuration that can supply a commercial AC voltage whose waveform is adjusted to a sine wave.

According to a thirteenth aspect of the present invention, in addition to the configuration according to any one of the first to twelfth aspects, a plurality of power storage means are provided, and when the power of the first power storage means becomes insufficient, the second power is switched by the switching means. The power storage means supplies power to the inverter.

For this reason, the power supply device can be used continuously for a long time.

[0029] The invention described in claim 14 is the invention described in claim 13.
In addition to the configuration described in (1), the switching means is configured to select the first or second power storage means based on the power storage amounts of the plurality of power storage means detected by the power storage amount detection means.

For this reason, the power storage means can be selected accurately,
The power supply unit can be used continuously for a long time.

According to a fifteenth aspect of the present invention, in addition to the configuration according to any one of the first to fourteenth aspects, the frame is made of metal.

For this reason, the power supply device is designed to securely hold the power storage means, the charge control means, and the inverter means, has a high mechanical strength, and can carry safely.

[0033]

(Embodiment 1) FIG. 1 is a perspective view showing a configuration of a power supply device according to a first embodiment of the present invention. The power supply device according to the present embodiment includes a solar cell panel having a plurality of solar cells 101, a frame 102 for mounting the solar cell panel, a power storage unit 103 for storing energy obtained from the solar cells 101, and a power storage unit 103. Charge control means 104 for controlling charging of the power storage device 103, and an inverter 105 for converting DC power of the power storage means 103 into AC power.

Power storage means 103 and charge control means 1
The inverter 04 and the inverter 105 are provided in a space opposite to the light incident surface of the solar cell panel and surrounded by the solar cell panel and the frame. In this embodiment, the frame 102 is made of metal, and the frame 102 has a power storage unit 103 and a charge control unit 104.
And the inverter 105 are integrally mounted.

The frame 102 includes an inverter 10
5 is provided with an outlet 106 to which outputs 5 are connected. The outlet 106 is provided so as to protrude outside the device so that an electric device (not shown) can be connected from the outside.

In this embodiment, a nickel-metal hydride battery is used for the power storage means 103, and a DC / DC converter provided with a microcomputer capable of detecting the voltage of the power storage means 103 is used for the charge control means 104.

Hereinafter, the operation of this embodiment will be described.
The portable power supply device according to the present embodiment includes a solar cell 101 and a power storage unit 1 that stores energy obtained from the solar cell 101.
03, a charge control means 104 for controlling the charging of the power storage means 103, and an inverter 105 for converting the DC power of the power storage means 103 into AC power are accommodated therein so that they can be easily transported.

The solar cell 101 generates DC power when receiving sunlight. The charging control means 104 detects the voltage of the power storage means 103, boosts the voltage of the solar cell 101 to a voltage equal to or higher than the voltage of the power storage means 103, and
3 is supplied with a charging current for storing electricity. Here, the charge control unit 104 continues to supply the charging current to the power storage unit 103 until the voltage of the power storage unit 103 reaches a predetermined voltage. When sufficient electric charge is stored in the power storage means 103 in this way, the charge control means 104 displays the availability on the display means (not shown). When the user connects an electric device (not shown) to the outlet 106,
The charging control unit 104 drives the inverter 105 to output a sine wave AC power of a commercial frequency from the DC power stored in the power storage unit 103.

At this time, in this embodiment, the power storage means 103, the charge control means 104, and the inverter 105
The solar cell panel 101 is integrally mounted on the surface opposite to the light incident surface using the frame 102. Therefore, for example, when the apparatus of this embodiment is moved to another place and used as an independent power source, since the above-described units are integrally attached to the frame 102, the apparatus can be moved very easily. It is.

(Embodiment 2) Next, a second embodiment of the present invention will be described. FIG. 2 is a perspective view showing the configuration of the present embodiment. In this embodiment, the power storage means 103 is configured to be detachable from a space surrounded by the solar cell panel 101 and the frame 102.

Hereinafter, the operation of this embodiment will be described.
For example, if the sunshine is strong and the solar cell 101 can generate sufficient power, the power storage unit 103 is unnecessary.
In such a situation, the power storage means 103 can be used by removing the power storage means 103 from the space surrounded by the solar cell panel 101 and the frame 102. By removing the power storage means 103 from the space, the weight of the entire device is reduced, and the device can be more easily transported.

(Embodiment 3) Next, a third embodiment of the present invention will be described. FIG. 3 is a perspective view showing the configuration of this embodiment. In this embodiment, both the power storage means 103 and the inverter 105 can be attached and detached from the space surrounded by the solar cell panel 101 and the frame 102.

The operation of this embodiment will be described below.
With the configuration of the present embodiment, for example, the solar battery 101 and the charge control unit 104 are placed indoors, and the charged power storage unit 103 and the inverter 105 are charged.
It can be used only outdoors. That is, for example, a roaster, an electric pan, a grilling device, or the like is connected to the inverter 105, so that the inverter 105 can be used outdoors to enjoy a barbecue.

At this time, when an automobile is used as a transportation means for transporting outdoors, even if the entire amount of power stored in the power storage means 103 is used, power is supplied from the battery for the vehicle to the inverter 105, so that the equipment can be used. Can be used for a long time.

As described above, according to the present embodiment, the space surrounded by the solar cell panel 101 and the frame 102
Since both the power storage means 103 and the inverter 105 can be attached and detached, only the power storage means 103 and the inverter 105 can be used as separate power supplies.

(Embodiment 4) Next, a fourth embodiment of the present invention will be described. FIG. 4 is a perspective view showing the configuration of this embodiment. In this embodiment, the charge control means 104
Has a connection terminal 104a connected to the power storage means 103 or the inverter 105. The connection terminal 104a protrudes from the main body of the charge control means 104.
Alternatively, the shape is such that the inverter 105 can be connected.

In this embodiment, after the power storage means 103 or the inverter 105 is separated from the charge control means, that is, when the connection terminal 104a is bare, the connection terminal 104a is covered with a waterproof cover. ing.

With this configuration, it is possible to realize a power supply device in which the connection terminal 104a of the charge control means 104 does not rain and the reliability or durability can be guaranteed.

(Embodiment 5) Next, a fifth embodiment of the present invention will be described. FIG. 5 is a block diagram showing the configuration of the present embodiment. In the portable power supply device of this embodiment, the solar cell panel 101 and the frame 102
Is composed. Each unit 108 is configured to be freely foldable or stackable.

That is, in this embodiment, two frames 102 are used, and each of the two frames 102 is configured to support one solar cell panel 101. Reference numeral 106 denotes an electric device to which the output of the inverter means 105 is connected.

In this embodiment, a nickel-metal hydride battery is used for the power storage means 103, and a DC / DC converter having a microcomputer capable of detecting the voltage of the power storage means 103 is used for the charge control means 104.

In this embodiment, the frame 102 is made of metal. Also, individual frames 102
Are connected to each other by appropriate connection means 102a.
The connection means 102a is, for example, a string and has an appropriate length. For this reason, the unit 108 is freely foldable or stackable.

Hereinafter, the operation of this embodiment will be described.
The portable power supply device according to the present embodiment includes a solar cell 101 and a power storage unit 1 that stores energy obtained from the solar cell 101.
03, a charging control means 104 for controlling the charging of the power storage means 103, and an inverter means 105 for converting the DC power of the power storage means 103 into AC power are accommodated therein so that they can be easily transported. FIG. 6A is a perspective view illustrating a state in which the above-described components are housed. FIG. 6B shows the frame 10.
It is a perspective view explaining the state after each part was accommodated in 2. FIG.

Each frame 102 has a size suitable for accommodating the power storage means 103, the charge control means 104, and the inverter means 105 in a state where the solar cell panel 101 is integrally supported. As shown in b), when the units are accommodated, that is, when the unit 108 is constructed, for example, the units can be stacked or folded.

For this reason, according to the present embodiment, the electric device 107 can be used freely, for example, by carrying the device to a place where there is no commercial AC power supply nearby and connecting the electric device 107. is there.

Thus, the device is transported to an appropriate place,
When used, for example, when the units 108 are stackable, the stacked units 108
By lowering, the components can be used in the housed state without taking out each component from the inside of the frame 102. Further, when each unit 108 is freely foldable, as shown in FIG. 5, the folded unit 108 is expanded so that each unit 108 remains housed without taking out each part from the inside of the frame 102. Can be used with

(Embodiment 6) Next, a sixth embodiment of the present invention will be described. 7A and 7B are perspective views showing the configuration of the present embodiment, in which FIG. 7A is a perspective view illustrating the internal configuration, and FIG. 7B is a perspective view showing a state after being folded or stacked.

In this embodiment, any one of the plurality of units 108 has a terminal protruding outside.
The output of the inverter 105 is connected to the terminal. Therefore, when carrying, a plurality of units 108
It is good just to match. In use, since the circuit parts are already wired, the electric device 107 is connected to the terminal provided on the unit 108.
It is only necessary to connect.

As described above, according to the present embodiment, it is possible to realize a power supply device which can be used easily and can be easily folded or stacked.

(Embodiment 7) Next, a seventh embodiment of the present invention will be described. FIG. 8 is a perspective view illustrating the configuration of the present embodiment. In this embodiment, the plurality of units 108 include the hinge 401. A hinge is used as the hinge 401.

With the above configuration, the power supply device of the present embodiment can extremely easily perform the operation of folding the plurality of units 108.

Embodiment 8 Next, an eighth embodiment of the present invention will be described. FIG. 9 is a perspective view illustrating the configuration of the present embodiment. In this embodiment, one of the plurality of units 108 includes a damper 501 that fits inside the unit 108 when another unit 108 is folded. The damper 501 uses a hydraulic buffer structure.

With the above configuration, when a plurality of units 108 are folded, a sudden load is applied to the lower unit 108 or the upper unit 108 suddenly falls down. It is possible to realize a power supply device that can be safely folded without any trouble.

(Embodiment 9) Next, a ninth embodiment of the present invention will be described. FIG. 10A is a perspective view illustrating the configuration of the present embodiment. FIG. 10B is a side view for explaining a use state of the structure of the present embodiment. In this embodiment, a plurality of units 108 are provided with a handle 601 and a handle fixing means 602.

The handle 601 is provided with a handle fixing means 60.
2, the unit 108 can be held obliquely as shown in FIG. 6B.
In other words, the solar cell panel 101 can be maintained at a predetermined elevation angle. When the unit 108 is held obliquely, the solar cell 10 shown in FIG.
1 can receive sunlight efficiently.

That is, the handle 601 also serves as an installation jig for holding the unit 108.

For this reason, according to the present embodiment, it is easy to adjust the elevation angle at which the solar cell panel 101 can receive sunlight efficiently, and it is possible to realize a power supply device capable of increasing the amount of power generation. . In addition, the device can be easily carried.

(Embodiment 10) Next, a tenth embodiment of the present invention will be described. In the present embodiment, FIG.
As shown in (a), the solar cell 101 is arranged so that the power generation surface becomes front while being housed in the frame 102.

With the above configuration, it is possible to realize a power supply device in which the solar cell 101 can receive sunlight even while being carried, and can always generate power.

Embodiment 11 Next, an eleventh embodiment of the present invention will be described. 11A and 11B are perspective views showing the configuration of the present embodiment. FIG. 11A shows a state in which the unit 108 is being folded or a state in which the unit 108 is being stacked, and FIG. 11B shows a state in which the unit 108 has been folded. This indicates a state or a state where stacking is completed.

In the present embodiment, the solar cell 101 is arranged so that the power generation surface faces inside when housed in the frame 102.

For this reason, even when the power converter is transported together with many other equipment when moving, the solar cell 101
It is possible to realize a power supply device that can protect a solar cell without damaging or destroying the surface of the solar cell or reducing the amount of power generation.

Embodiment 12 Next, a twelfth embodiment of the present invention will be described. FIG. 12 is a block diagram showing the configuration of the present embodiment. In the present embodiment, the power storage means 801 has a rated voltage equal to or higher than the maximum value of the commercial AC voltage.

Hereinafter, the operation of this embodiment will be described.
When DC power is supplied from the solar cell 101, the charge control unit 104 detects the voltage of the power storage unit 103,
The voltage of the solar cell 101 is boosted to a voltage equal to or higher than the voltage of the power storage means 103, and a charging current for storing electricity is supplied to the power storage means 103. Here, the charge control means 104
Means that the voltage of the storage means 103 is a predetermined voltage (for example, 200
The supply of the charging current to the power storage means 103 is continued until V) is reached. The electric device 107 (for example, a fluorescent lamp) by the user
Is connected to the power supply and there is an indication of commercial power output,
Inverter 105 outputs AC power from DC power stored in power storage means 103. At this time, the inverter 105
Indicates that the voltage of the power storage means 103 is equal to the maximum value 14 of the commercial AC voltage.
Since the voltage is higher than 1 V, a voltage of 100 V can be accurately output in a sine waveform with a simple configuration such as chopping a direct current.

That is, it is not necessary to use an electrolytic capacitor for stabilizing the voltage when producing an alternating current from a direct current, and a power supply device having a simple configuration can be realized.

Embodiment 13 Next, a thirteenth embodiment of the present invention will be described. FIG. 13 is a connection diagram showing the configuration of the present embodiment. In this embodiment, the power storage means charged from the solar cell 101 is the first power storage means 103a and the second power storage means 103b. The connection between the first power storage unit 103a, the second power storage unit 103b, and the inverter 105 is performed using a switching unit 610. Switching means 610 includes a first voltage detecting means for detecting a terminal voltage of first power storage means 103a, and a second power storage means 1 therein.
And a second voltage detecting means for detecting the terminal voltage of the terminal 03b. The voltage detecting means detects the terminal voltage of the power storage means connected to the inverter 105 according to the voltage detected by the two voltage detecting means. That is, when the power of the first power storage means 103a becomes insufficient, the switching means 501 supplies power from the second power storage means 103b to the inverter 105. Of course, when the power of the second power storage means 103b becomes insufficient, the inverter 105
Power.

As described above, in the present embodiment, the first power storage means 103a and the second power storage means 103b are provided, and even if the amount of power stored in the first power storage means 103a decreases, the switching means 610
Accordingly, the power supply from the second power storage unit 103b can be continued, thereby realizing a power supply device capable of continuously using power for a long time.

Embodiment 14 Next, a fourteenth embodiment of the present invention will be described. FIG. 14 is a connection diagram showing the configuration of the present embodiment. In this embodiment, the first power storage unit 103a
And a terminal voltage detecting means 701 for detecting a terminal voltage of the second power storage means 103b, and an automatic switching determining means 702 for selecting a power supply to be supplied to the inverter 105. The automatic switching determination means 702 is constituted by, for example, a microcomputer, and compares the terminal voltage of the terminal voltage detection means 610 with a reference value stored therein to thereby supply power to the inverter 105 to the first power storage. Control is performed so as to use the means 103a or the second power storage means 103b.

As described above, in the present embodiment, the first power storage means 103a and the second power storage means 103b are provided, and even if the amount of power stored in the first power storage means 103a decreases, the automatic switching determination means 702 determines Since the power supply from the second power storage means 103b can be maintained, a power supply device capable of continuously using power for a long time is realized.

[0080]

According to the first aspect of the present invention, a solar cell panel, a frame for mounting the solar cell panel, a power storage means for storing energy obtained from the solar cell panel, and charging of the power storage means are controlled. Charge control means, and an inverter for converting DC power of the power storage means to AC power, wherein the power storage means, the charge control means and the inverter are opposite to the light incident surface of the solar cell panel, As a configuration provided in a space surrounded by a solar cell panel and the frame, an easy-to-use power supply device that can be easily carried when used in another place as an independent power supply is realized.

According to a second aspect of the present invention, the power storage means includes:
The present invention realizes an easy-to-use power supply device that can be attached and detached as needed as a configuration detachable from a space, and that can be detached when carried to reduce the weight.

According to a third aspect of the present invention, the inverter is configured to be detachable from a space so that the power storage means can be attached and detached as necessary, and can be detached when carried to reduce the weight of the portable power supply. It implements the device.

According to the invention described in claim 4, the charge control means has a connection terminal projecting from a main body of the charge control means connected to the power storage means or the inverter,
After the power storage means or the inverter is separated from the charge control means, the connection terminals of the charge control means are covered with a waterproof cover so that the connection terminals of the charge control means do not rain, and the reliability or durability is improved. It is intended to realize a power supply device that can guarantee the performance.

According to a fifth aspect of the present invention, the solar cell panel and the frame constitute a plurality of units, each unit being foldable or stackable.
When used as an independent power source in another place, an easy-to-use and easy-to-use power supply device is realized.

According to a sixth aspect of the present invention, the unit comprises:
By providing a terminal for connecting an electric device protruding to the outside, a power supply device which can be used simply by connecting the electric device to a terminal provided in the unit is realized.

The invention described in claim 7 realizes a power supply device in which a unit is provided with a hinge structure and the operation of folding a plurality of units into one unit can be very easily performed.

The invention described in claim 8 is the one unit of the unit.
One is to realize a power supply device that can be safely folded as a structure including a damper that fits inside another unit when another unit is folded.

According to a ninth aspect of the present invention, the unit is provided with a handle, and the handle is configured to maintain the unit at a predetermined elevation angle. An object of the present invention is to realize a power supply device that can increase the amount and can easily carry the device.

According to a tenth aspect of the present invention, the solar cell panel is arranged so that the power generation surface is turned upside down when mounted on the frame, so that the solar cell panel can receive sunlight even when being carried. It is possible to realize a power supply device that can generate power at all times.

The invention according to claim 11 is based on the premise that the solar cell panel is arranged so that the power generation surface is located inside when mounted on the frame, so that it may collide with something while being carried. This also realizes a power supply device that can protect the solar cell.

According to a twelfth aspect of the present invention, the power storage means has a rated voltage equal to or higher than the maximum value of the commercial AC voltage, and a power supply capable of supplying a commercial AC voltage with a simple sine wave waveform. It implements the device.

According to a thirteenth aspect of the present invention, the power storage means is provided with a plurality of power storage means, and when the power of the first power storage means is insufficient, the switching means supplies power from the second power storage means to the inverter. And a power supply device that can be used continuously for a long time.

According to a fourteenth aspect of the present invention, the switching means selects the first or second power storage means based on the power storage amounts of the plurality of power storage means detected by the power storage amount detection means. An object of the present invention is to realize a power supply device that can be performed accurately and that can use the device continuously for a long time.

According to a fifteenth aspect of the present invention, there is provided a power supply device having a structure in which a frame is made of metal, which can securely hold a power storage means, a charge control means, and an inverter means, has high mechanical strength, and can carry safely. It will be realized.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a power supply device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of a power supply device according to a second embodiment of the present invention.

FIG. 3 is a perspective view showing a configuration of a power supply device according to a third embodiment of the present invention.

FIG. 4 is a perspective view showing a configuration of a power supply device according to a fourth embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of a power supply device according to a fifth embodiment of the present invention.

FIG. 6A is a perspective view illustrating a state in which components are housed, and FIG. 6B is a perspective view illustrating a state in which the units are folded or stacked.

FIG. 7A is a perspective view illustrating an internal configuration of a power supply device according to a sixth embodiment of the present invention. FIG. 7B is a perspective view illustrating a state after the units are folded or stacked.

FIG. 8 is a perspective view showing a configuration of a power supply device according to a seventh embodiment of the present invention.

FIG. 9 is a perspective view showing a configuration of a power supply device according to an eighth embodiment of the present invention.

FIG. 10A is a perspective view showing a configuration of a power supply device according to a ninth embodiment of the present invention. FIG.

FIG. 11 (a) is a perspective view showing a state in which a unit is being folded or a unit is being stacked in the eleventh embodiment of the present invention. Perspective view showing the state where

FIG. 12 is a block diagram showing a configuration of a power supply device according to a twelfth embodiment of the present invention.

FIG. 13 is a connection diagram showing a configuration of a power supply device according to a thirteenth embodiment of the present invention.

FIG. 14 is a connection diagram showing a configuration of a power supply device according to a fourteenth embodiment of the present invention.

FIG. 15 is a block diagram showing a configuration of a power conversion device as a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 101 Solar cell panel 102 Frame 102a Connection means 103 Power storage means 103a First power storage means 103b Second power storage means 104 Charging control means 104a Connection terminal 105 Inverter 106 Outlet 107 Electric equipment 108 Unit 401 Hinge structure 405 Waterproof cover 501 Damper 601 Handle 602 Handle fixing means 610 Switching means 701 Terminal voltage detecting means 702 Automatic switching determining means 801 Power storage means

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takahiro Miyauchi 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. 72) Inventor Kazuo Fujishita 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Industrial Co., Ltd. 5G003 AA06 BA01 BA02 DA04 DA16 FA01 GB03 GB06 5H420 BB14 CC03 DD03 EB39 KK06

Claims (15)

[Claims] 1. A solar cell panel, a frame for mounting the solar cell panel, a power storage means for storing energy obtained from the solar cell panel, a charge control means for controlling charging of the power storage means, and a power storage means. An inverter that converts DC power into AC power, wherein the power storage unit, the charge control unit, and the inverter are opposite to a light incident surface of the solar cell panel and are surrounded by the solar cell panel and the frame. Power supply installed in a closed space. 2. The power supply device according to claim 1, wherein the power storage means is detachable from a space. 3. The power supply device according to claim 1, wherein the inverter is detachable from a space. 4. The charge control means has a connection terminal protruding from a main body of the charge control means connected to the power storage means or the inverter, and after the power storage means or the inverter is separated from the charge control means, the charge control means is provided with a waterproof cover. The power supply device according to claim 1, wherein the power supply device covers the connection terminal. 5. The power supply device according to claim 1, wherein the solar cell panel and the frame constitute a plurality of units, and each unit is foldable or stackable. 6. The power supply device according to claim 1, wherein the unit includes a terminal for connecting an electric device protruding outside. 7. The unit according to claim 1, wherein the unit has a hinge structure.
7. The power supply device according to any one of items 1 to 6. 8. The power supply according to claim 7, wherein one of the units includes a damper that fits into the other unit when another unit is folded. 9. The power supply device according to claim 1, wherein the unit includes a handle, and the handle can maintain the unit at a predetermined elevation angle. 10. The solar cell panel according to claim 1, wherein the solar cell panel is arranged so that the power generation surface is turned upside down when the solar cell panel is mounted on the frame.
10. The power supply device according to any one of claims 1 to 9. 11. The power supply device according to claim 1, wherein the solar cell panel is arranged so that a power generation surface faces inside when mounted on the frame. 12. The power supply device according to claim 1, wherein the power storage means has a rated voltage equal to or higher than a maximum value of the commercial AC voltage. 13. The power storage device according to claim 1, wherein a plurality of power storage means are provided, and when the power of the first power storage means is insufficient, the switching means supplies power from the second power storage means to the inverter. The power supply described. 14. The power supply device according to claim 13, wherein the switching means selects the first or second power storage means according to the power storage amounts of the plurality of power storage means detected by the power storage amount detection means. 15. The power supply device according to claim 1, wherein the frame is made of metal.