JP2008017631A - Power saving apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To attain power saving by effectively use an indoor illumination light, thus preventing the worthening of a global environment. <P>SOLUTION: In this power saving apparatus, at least a part of each surface of a plurality of pieces of furniture 1a, 1b is formed of the surface of a solar battery 4. Each furniture is provided with a storage device 5 connected to the solar battery, and an independent power supply system I connected to the solar battery and the storage device. Further, this power saving apparatus is also provided with a common power supply system C connected with the each independent power supply system of the plurality of pieces of furniture in parallel. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an apparatus for saving power in a home or office.

  In recent years, attempts have been made to reduce carbon dioxide emissions from fossil fuel combustion as one of the measures to prevent global warming, which is one of the environmental deterioration on the earth. Of these, at least part of the power consumed in homes and offices, etc., if necessary, is stored in a storage battery using power generated by solar cells that do not require fuel and do not emit carbon dioxide It is done to use.

  For example, Patent Literature 1 describes a solar power generation charging device that includes a solar cell array and a plurality of storage batteries connected in series, and that allows the storage battery to be charged at a high voltage with a small number of serial connection solar batteries. Yes. Patent Document 2 describes a solar battery power supply device that can improve the apparent charging efficiency and extend the life of the storage battery, and can effectively use the energy generated by the solar battery.

On the other hand, Patent Literature 3 describes a roof panel with a solar cell in which a lighting device and a solar cell that supplies electric power to the lighting device are integrally provided, and Patent Literature 4 describes a roof with a solar cell. The tiles are listed. Further, Patent Document 5 describes a lantern provided with a solar battery attached to the upper surface of a ridge or a cap body and a solar battery power source including a secondary battery.
JP 58-182435 A Japanese Utility Model Publication No. 60-3642 Japanese Utility Model Publication No. 5-24761 Japanese Utility Model Publication No. 5-5941 Japanese Utility Model Publication No. 5-33405

  Conventionally, solar cells are installed outdoors on buildings such as roofs as shown in Patent Documents 1 to 4, or installed on objects used outdoors as shown in Patent Document 5, indoors. It is not installed, that is, the indoor illumination light or the like is not effectively used.

For example, a wristwatch using a solar cell as a driving source can use indoor illumination light, but this uses illumination light only to exhibit its function as an article, that is, a watch. It is not intended to use the energy of light as effectively as possible.
The present invention was devised in view of the above points, that is, it aims to save power by effectively using indoor illumination light, and to contribute to prevention of deterioration of the global environment. It is.

  In order to solve the above-described problem, in the present invention, at least a part of the surface of the furniture is configured by the surface of the solar cell, and the power storage device connected to the solar cell in the furniture, the solar cell, and the power storage device We propose a power-saving device that constitutes an individual power supply system connected to the.

  Further, in the present invention, at least a part of the indoor wall surface is configured by the surface of the solar cell, and the power storage device connected to the solar cell in the wall and the individual power supply system connected to the solar cell and the power storage device are configured. We propose a power saving device.

  In the present invention, at least a part of the surface of the upholstery is constituted by the surface of the solar cell, and in the upholstery, a power storage device connected to the solar cell, and an individual connected to the solar cell and the power storage device A power-saving device that constitutes a power supply system is proposed.

  Further, in the present invention, at least a part of the surface of each of the plurality of furniture is constituted by the surface of the solar cell, the power storage device connected to the solar cell to the furniture, and the individual connected to the solar cell and the power storage device Proposed is a power-saving device that configures a power supply system and configures a common power supply system that connects individual power supply systems of a plurality of furniture in parallel.

  The present invention proposes to install a common power storage device in the common power supply system.

  The present invention also proposes a power-saving device in which an individual power supply system configured on an indoor wall and an individual power supply system configured on an interior decoration are connected in parallel to the common power supply system.

  The present invention also proposes a power saving device in which the individual power supply system or the common power supply system is connected to a power supply system using solar cells arranged outdoors.

  And in this invention, in the power saving apparatus of the above structure, it proposes using a storage battery and an electric double layer capacitor as an electrical storage apparatus.

  In the present invention, at least a part of the surface of the furniture, the wall surface, or the upholstery is constituted by the surface of the solar cell and the power storage device is installed. When lit or when sunlight enters from the window, the energy of those lights can be converted into electrical energy and stored, thus supplying the output of the solar cell or the power stored in the power storage device individually. It can be used effectively through the system. Note that the furniture in the present invention can be used indoors as well as furniture such as a table that can be installed outdoors such as a veranda. In this case, the energy of sunlight is used. be able to.

  Moreover, the power capacity that can be supplied through the common power supply system can be increased by connecting the plurality of individual power supply systems in parallel to form a common power supply system. In this case, by installing a common power storage device in the common power supply system, it is possible to store large capacity and to stabilize the power supply.

  Moreover, in this invention, the said individual electric power supply system or a common electric power supply system can be connected to the electric power supply system by the solar cell arrange | positioned outdoors, a system can be comprised, and stable electric power supply is enabled.

  As the power storage device, a storage battery such as a nickel cadmium battery, a nickel metal hydride battery, a lithium ion battery, or a lead storage battery, or a capacitor such as an electric double layer capacitor can be used.

  At this time, the power storage device of the individual power supply system is a small one for use in furniture, walls, or upholstery, but the power storage device installed in the common power system can be installed in the right place. Large, large capacity can be used.

Next, an embodiment of a power saving apparatus according to the present invention will be described with reference to the accompanying drawings.
First, FIG. 1 is a perspective view showing an embodiment in which the power saving device of the present invention is applied to furniture. In other words, reference numeral 1a is a cabinet as one form of furniture 1, and this cabinet 1a constitutes a storage part having upper and lower doors 2u and 2d at the top and bottom and an intermediate storage part 3 without a door in the middle. It is. A solar cell 4 is installed on the surface of the open / close doors 2u and 2d of the cabinet 1a. The solar battery 4 is configured as a module in which an appropriate number, in this case, 35 solar battery cells are arranged vertically and horizontally and connected. The shape of the module and the number of cells can be appropriately set according to the shape of the surface of the furniture 1 to be installed. In the figure, the solar cell 4 is hatched for the sake of convenience, and this is the same in other figures.

  The furniture 1, that is, in this case, the cabinet 1 a includes the power storage device 5 connected to the solar cell 4 and constitutes the individual power supply system I connected to the solar cell 4 and the power storage device 5. .

  As described above, the power storage device 5 can use a storage battery such as a nickel cadmium battery, a nickel metal hydride battery, a lithium ion battery, or a lead storage battery, or a capacitor such as an electric double layer capacitor.

  FIG. 2 is an explanatory circuit diagram showing an example of the individual power supply system 6. Reference numeral 6 is a charge / discharge control circuit connected between the solar cell 4 and the power storage device 5, and 7 is a backflow prevention diode. The charge / discharge control circuit 6 monitors the charge / discharge operation of the power storage device 5 to prevent overcharge and overdischarge and perform appropriate charge / discharge. Is configured to control the opening and closing of the relay 8 connected in series. On the other hand, the charge / discharge control circuit 6 has a function of calculating the remaining amount of power storage as its function, and an indicator meter 9 is connected thereto. Reference numeral 10 denotes a power output unit 10 such as an outlet for taking out the power generated by the solar cell 4 and the power stored in the power storage device 5 and using it as a power source for various electric devices. The power output unit 10 and the power storage device 5 and the solar cell 4 are connected to the output control circuit 11. The output control circuit 11 has functions such as converting the output of the solar cell and the power stored in the power storage device 5 into a form suitable for use in an electric device, and controlling the voltage to be constant. However, when the electrical equipment used is alternating current, an inverter function is included.

  As shown in FIG. 1, in the cabinet 1a, the indicator meter 9 and the power output unit 10 which are components of the individual power supply system 6 appear on the surface in terms of their functions, but other components, that is, The power storage device 5, the charge / discharge control circuit 6, the output control circuit 11 and the like are built in the cabinet 1a.

  FIG. 3 shows an example of the layout of the room in which the furniture 1 to which the present invention is applied is arranged, in this case, the dining room. Reference numeral 1 a is the cabinet shown in FIG. 1 as described above, and reference numeral 1 b is the furniture 1. As another example, the table | surface which installed the solar cell 4 in the top plate, the code | symbol 1c is the chair which installed the solar cell 4 in the backrest.

  FIG. 4 shows another example of the layout of the room in which the furniture 1 to which the present invention is applied is arranged, in this case, the office room such as an office. Reference numeral 1d denotes the cabinet 1a shown in FIG. Reference numeral 1e denotes a desk having a solar cell 4 installed on the top plate as another example of the furniture 1.

  FIG. 5 shows an example of the layout of a room in which the furniture 1 to which the present invention is applied, in this case, a living room, is shown. Reference numeral 1 f is a TV stand, and reference numeral 1 g is another example of the furniture 1. It is the table which installed the solar cell 4.

  In the above configuration, since at least a part of the surface of the furniture 1 or the like used indoors is configured by the surface of the solar cell 4 and the power storage device 5 is installed, illumination is performed during normal life. When the appliance is in a lit state or when sunlight is inserted through the window 12, the energy of the light can be converted into electric energy and stored, and thus stored in the output of the solar cell 4 or the power storage device 5. Electric power can be effectively used via the individual power supply system I.

  In the embodiment described above, only a part of the surface of the furniture 1 is constituted by the surface of the solar cell 4, but the surface of the furniture 1 on which the solar cell 4 is installed can be designed appropriately. For example, in the cabinet 1a mentioned above, the solar cell 4 can be installed also in an upper board or a side board.

  Further, not only the surface of the furniture 1 but also at least a part of the indoor wall surface 13 is constituted by the surface of a solar cell (not shown), and a power storage device connected to the solar cell in the wall 13, the solar cell, and the power storage device It is also possible to configure an individual power supply system connected to the. In addition, as a wall which can install a solar cell, the side wall of a staircase, etc. other than the wall of a room are included.

  In addition, at least a part of the surface of the upholstery can be constituted by the surface of the solar cell. For example, in FIG. 4, the leaf part of the artificial houseplant 18 as an object constituting the upholstery is constituted by the solar cell 4, and the power output unit 10 is constituted in the pot part. Other examples of upholstery that can be installed with solar cells include paintings and sculptures. In this case, the picture frame or the painting itself can also be constituted by solar cells.

  Here, the color of solar cells that have been widely used heretofore was only dark blue or purple, but now, using the interference of light by the antireflection film formed on the surface of the solar cell, the film thickness and By changing the refractive index, the apparent color can be freely changed, and a pattern or the like can be formed. Therefore, the solar cell installed in the furniture, in this embodiment, the solar cell 4 installed on the surface of the open / close doors 2u and 2d of the cabinet 1a can be used as one of the design elements of the furniture, that is, the solar By installing the battery 4, the design can be improved and the value as furniture can be improved. In addition, paintings and sculptures can be configured as described above using such solar cells.

Next, FIG. 6 is an explanatory circuit diagram showing another embodiment of the power saving apparatus of the present invention.
In this embodiment, the individual power supply system I shown in FIG. 2 configured for each of the plurality of furniture 1 (1a, 1b,...) Is connected in parallel to configure a common power supply system C. In this embodiment, the individual power supply system 1w is also configured on the wall 13, and the individual power supply system 1w is also connected in parallel to configure the common power supply system C.

  That is, the common power supply system C is connected to the individual power supply systems 1a, 1b,..., 1w,... In parallel, and to the connection line 14 via the input / output and charge / discharge control circuit 15. It is comprised from the electrical storage apparatus 16 connected in parallel, and the electric power output part 17 connected to the appropriate place of the connection line 14. FIG.

  The input / output unit and the charge / discharge control circuit 15 outputs a converter function for converting to direct current and power stored in the power storage device 16 in order to store in the power storage device 16 when the current flowing through the connection line 14 is AC. In doing so, it has an inverter function of converting to alternating current and a function of controlling charging / discharging of the power storage device 16.

  In the above configuration, the power generated in each solar cell 4 of each individual power supply system 1a, 1b,..., 1w,. It can be used in various electric devices. Since a plurality of individual power supply systems 1a, 1b,..., 1w,... Are connected in parallel to the power output unit 17 via the connection line 14, they can be supplied via the connection line 14 of the common power supply system C. It is possible to use an electric device having a large power capacity and a large power requirement. As an example of this electric device, an electric vehicle, an electrically assisted bicycle, or the like can be included.

  Further, in this embodiment, since the power storage device 16 is connected in parallel to the connection line 14 of the common power supply system C via the input / output and charge / discharge control circuit 15, a large-capacity power storage device 16 is used. By using the battery, it is possible to store a large amount of electricity, thereby stabilizing the power supply.

  As described above, since the power storage device 5 of the individual power supply system I is configured in the furniture 1 or the wall 13, for example, a nickel cadmium battery, a nickel hydrogen battery, a lithium ion battery, an electric double layer capacitor, or the like can be used. However, since the power storage device 16 installed in the common power system C can be installed at an appropriate place, a large-sized and large-capacity device such as a lead storage battery or an electric double layer capacitor can be used.

  In the above description of the embodiment, the furniture is installed indoors. However, as described above, the furniture can be installed indoors as well as outdoors such as a veranda. Furniture such as a table can be applied, and in this case, the energy of sunlight can be used.

Since the present invention is as described above, there are the following effects and the industrial applicability is great.
1. During normal life, when the luminaire is in a lit state or when sunlight enters through a window, the energy of those lights can be converted into electrical energy and stored. The stored power can be effectively used via the individual power supply system.
2. By configuring a common power supply system by connecting a plurality of individual power supply systems in parallel, the power capacity that can be supplied via the common power supply system can be increased.
3. In this case, by installing a common power storage device in the common power supply system, it is possible to store large capacity and to stabilize the power supply.
4). The indoor illumination light can be effectively used to save power, and thus contribute to prevention of deterioration of the global environment.

It is a perspective view which shows one Embodiment which applied the power saving apparatus of this invention to furniture. It is an explanatory circuit diagram showing an example of an individual power supply system. It is a perspective view which shows an example of the indoor layout which has arrange | positioned the furniture to which this invention is applied. It is a perspective view which shows the other example of the indoor layout which has arrange | positioned the furniture to which this invention is applied. It is a perspective view which shows the further another example of the indoor layout which has arrange | positioned the furniture to which this invention is applied. It is explanatory circuit drawing which shows other embodiment of the power saving apparatus of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Furniture 1a, 1d Cabinet 1b, 1e Table 1c Chair 1e Desk 1f Television stand 2u, 2d Opening / closing door 3 Intermediate storage part 4 Solar cell 5 Power storage device 6 Charge / discharge control circuit 7 Backflow prevention diode 8 Relay 9 Indicator meter 10 Power output part 11 Output Control Circuit 12 Window 13 Wall 14 Connection Line 15 Input / Output and Charge / Discharge Control Circuit 16 Power Storage Device 17 Power Output Unit

Claims (10)

That at least a part of the surface of the furniture is constituted by the surface of the solar cell, and that the power storage device connected to the solar cell and the individual power supply system connected to the solar cell and the power storage device are configured in the furniture. A featured power-saving device. It is characterized in that at least a part of the indoor wall surface is constituted by the surface of the solar cell, and a power storage device connected to the solar cell in the wall, and an individual power supply system connected to the solar cell and the power storage device are configured. Power saving device. At least a part of the surface of the upholstery is constituted by the surface of the solar cell, and in the upholstery, a power storage device connected to the solar cell, and an individual power supply system connected to the solar cell and the power storage device An apparatus for power saving characterized by comprising. At least a part of the surface of each of the plurality of furniture is configured by the surface of the solar cell, and the power storage device connected to the solar cell and the individual power supply system connected to the solar cell and the power storage device are configured to the furniture And the apparatus for power saving characterized by comprising the common power supply system which connects each individual power supply system of several furniture in parallel. The power saving apparatus according to claim 4, wherein a common power storage device is installed in the common power supply system. An apparatus for power saving, wherein the individual power supply system according to claim 2 or 3 is connected in parallel to the common power supply system according to claim 4 or 5. A power-saving device, wherein the individual power supply system according to claim 1, 2 or 3 is connected to a power supply system using solar cells arranged outdoors. An apparatus for power saving, wherein the common power supply system according to claim 3, 4, 5, or 6 is connected to a power supply system using solar cells disposed outdoors. The power storage device according to any one of claims 1 to 8, wherein the power storage device is a storage battery. The power storage device according to any one of claims 1 to 8, wherein the power storage device is an electric double layer capacitor.

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