JP2006221964A - Rod member with solar cell - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rod member with a solar cell in which design is not spoiled by the color tone of the solar cell part at installation. <P>SOLUTION: A dye-sensitized solar cell having a large flexibility of color tone is used in forming a solar cell part 1, thereby the color tone of the solar cell part 1 can be made not to spoil design, and furthermore, by establishing the solar cell part 1 in a color tone corresponding to a usage wherein the rod member 10 with the solar cell is used for a handrail or the like, a large generation amount can be obtained easily by occupying a large portion of area of the outer face by the solar cell. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a rod-like body with solar cells that is suitably used for handrails, guard fence posts and beams, exterior fence posts and vertical and horizontal beams.

  As a rod-like body with a solar cell provided with a solar cell and added with a function of receiving sunlight to generate power in addition to the function of a handrail, a solar cell panel in a direction in which the solar cell can be received on a handrail such as a balcony or a veranda A handrail with a solar cell is disclosed in which the solar cell panel is attached so that the inclination angle of the solar cell panel is 60 ° ± 10 °.

JP 2002-121874 A

  However, since the conventional solar cell-attached rod-like body described in Patent Document 1 has a solar cell portion that is close to black, the design of the rod-like body is often impaired by the color tone of the solar cell portion. . In particular, handrails are installed where they can be noticed. Careful attention should be paid to color tone, and the provision of a solar cell unit has limited the degree of freedom in installation.

  This invention is made | formed in view of the above subjects, and it aims at providing the rod-shaped body with a solar cell which does not impair the designability by the color tone of a solar cell part at the time of installation.

  In order to achieve the above object, the present invention is configured as follows. That is, the rod-shaped body with solar cell according to the present invention is a rod-shaped body provided with a solar cell portion having at least a part of the outer surface as a light-receiving surface, and the solar cell portion uses a dye-sensitized solar cell. It is characterized by being formed.

  According to the rod-shaped body with solar cell according to the present invention, the color tone of the solar cell portion is not easily impaired by using a dye-sensitized solar cell having a large degree of freedom in color tone for forming the solar cell portion. In addition, by setting the solar cell portion to a color tone according to the application used such as a handrail, it is possible to easily occupy a large proportion of the outer surface area by the solar cell and obtain a large amount of power generation.

  Moreover, in the rod-shaped body with solar cell according to claim 1, if substantially the entire outer periphery of the cross section is the solar cell portion, and the solar cell portion is a driving body, there is no need to separately provide a driving body. The part and the rod-shaped body can be formed at the same time, which facilitates the work related to the formation and simplifies the structure.

  The rod-shaped body with solar cell according to claim 1 or 2, further comprising a power storage means and a light emitter, wherein the electric power generated by the solar cell unit is stored in the power storage means, the power storage means. If the light emitter is made to emit light by the electric power supplied from the light source, and the light emitted from the light emitter passes through the solar cell part and is emitted to the outside, the solar cell part Therefore, the light emitted from the light emitter is not hindered, and the degree of freedom of the attachment position of the light emitter can be increased.

  According to the rod-shaped body with solar cell according to the present invention, the color tone of the solar cell portion is not easily impaired by using a dye-sensitized solar cell having a large degree of freedom in color tone for forming the solar cell portion. In addition, by setting the solar cell portion to a color tone according to the application used such as a handrail, it is possible to easily occupy a large proportion of the outer surface area by the solar cell and obtain a large amount of power generation.

  BEST MODE FOR CARRYING OUT THE INVENTION The best embodiment according to the present invention will be specifically described below with reference to the drawings.

  FIG. 1: shows 1st embodiment of the rod-shaped body with a solar cell concerning this invention, (a) is a perspective view, (b) is AA sectional drawing of (a). In the present embodiment, the solar cell-equipped rod-shaped body 10 is applied to a handrail. First, in (a), the sun integrally formed on the outer surface of the fuselage 2 around the core material S made of an aluminum extruded profile. A solar cell-attached rod-like body 10 provided with the battery unit 1 is fitted and attached. Next, (b) is a cross-sectional view showing details of the solar cell unit 1, but the solar cell unit 1 is a dye-sensitized solar cell, and a photoelectrode is formed on the conductive coating 12 provided on the electrode substrate 11. The layer 13 is formed, and the conductive film 15 provided on the counter substrate 16 is formed to face the photoelectrode layer 13 with the electrolyte layer 14 interposed therebetween. The electrode substrate 11 and the conductive coating 12 are transparent to the extent that light transmission is not hindered, and the color tone of the solar cell unit 1 is set by the color tone of the sensitizing dye carried on the photoelectrode layer 13. .

  Here, the precursor 2 is made of a flexible material such as a polyolefin-based elastomer or a soft vinyl chloride resin, and the electrode base material 11 and the counter base material 16 are bent-resistant such as a polycarbonate resin or a vinyl chloride resin. By being formed from a material having excellent properties, the solar cell unit 1 follows the curvature of the driving body 2.

  By making the photoelectrode layer 13, the electrolyte layer 14, the conductive coatings 12 and 15, and the counter electrode 16 constituting the solar cell unit 1 transparent and making the solar cell unit 1 transparent, The pattern of wood grain etc. may be made visible, and the solar cell portion 1 is colored and transparent, and the color tone of the solar cell portion 1 and the surface of the driving body 2 is combined to give the color tone of the rod-shaped body 10 with solar cells. May be set.

  FIG. 2 shows a second embodiment of the rod-like body with solar cell according to the present invention, and (a) is a perspective view showing the whole. (B) is BB sectional drawing of (a). First, in (a), substantially the entire outer periphery of the cross section is formed into a cylindrical solar cell portion 1, and the solar cell portion 1 is provided with a necessary strength depending on the material and thickness of the electrode substrate 11 and / or the counter substrate 16. It is supposed to serve as the body 2 as well.

  Next, in (b), the cylindrical solar cell unit 1 is further provided with power storage means 3 that is a lead storage battery and a light emitter 4 that is a chip-type light emitting diode, and the light emitter 4 supplies power. The electric power generated by the solar cell unit 1 is stored in the electric storage means 3 by being attached to the fixing member 41 provided with the wiring to be performed and the fixing member 41 is attached to the control board 5. When the electric power supplied to the control board 5 is supplied to the light emitter 4 through the fixing member 41, the light emitter 4 emits light. A brightness sensor is added to the control board 5,

  Here, the solar cell unit 1 is configured to transmit light, and the light L emitted from the light emitter 4 passes through the solar cell unit 1 and is emitted to the outside. With this configuration, the light L emitted from the light emitter 4 is not hindered by the solar cell unit 1, and the degree of freedom of the attachment position of the light emitter 4 can be increased. In addition, since the cylindrical solar cell portion 1 also serves as the driving body 2, it is not necessary to provide a separate driving body, and it can be easily formed. To increase the amount of power generation and protect the devices stored in the solar cell unit 1 such as the power storage means 3, the light emitter 4, the fixing member 41 and the control board 5 from moisture and dust. Can do.

  For the first and second embodiments, the cross-sectional shape is not limited to a circular shape, and may be an appropriate shape such as a triangle, a quadrilateral or more polygons, an ellipse, a semicircle, a plate shape, etc. The advantage of using a dye-sensitized solar cell, which is relatively easy to form a flexible shape, can be increased even when formed into such a shape.

  About the electrode base material 11 which forms the solar cell part 1, highly transparent synthetic resin etc., such as highly transparent glass, tempered glass, polycarbonate resin, acrylic resin, polyarylate resin, polymethacrylate, polyvinyl chloride, etc. Can be used. As the electrode base material 11 used in the first and second embodiments, a polycarbonate resin having excellent bending resistance, polyvinyl chloride, or the like can be suitably used. The opposing substrate 16 can be formed using an appropriate material when transparency is not required, but the materials mentioned in the electrode substrate 11 when transparency and bending resistance are required. Can be suitably used. In addition to highly durable polyethylene terephthalate resin for the electrolyte layer 14, polyester synthetic resins such as polybutylene terephthalate resin and polyethylene naphthalate resin, and polyolefin-based synthetic resins such as polyethylene, polypropylene, and cyclic polyolefin resins can also be suitably used.

The photoelectrode layer 13 is made of Fe ₂ O ₃ , Cu ₂ O, In ₂ O ₃ , WO ₃ , Fe ₂ TiO ₃ , PbO, V ₂ O ₅ , FeTiO ₃ , Bi ₂ O ₃ , Nb ₂ O ₃ , SrTiO ₃ . ₃ , ZnO, BaTiO ₃ , CaTiO ₃ , KTaO ₃ , SnO ₂ , ZrO _2, etc. can be formed by supporting the above-mentioned sensitizing dye on a thin film formed using a semiconductor material. From the viewpoint of cost, workability, etc., titanium oxide (TiO ₂ ) or zinc oxide (ZnO) that is excellent in the formation of a transparent thin layer is preferable. it can.

  Further, as the sensitizing dye carried on the photoelectrode layer 13, yellow can be expressed by using a carotenoid dye such as gardenia dye or honeysuckle dye or a coumarin dye such as coumarin 343. In developing other color tones, it can be expressed using dyes such as eosin and the like for red, and Scarylium for blue, and various combinations of these three primary colors at appropriate ratios. It may be possible to set different color tones. Further, it is difficult to form a complete white color as long as a dye is used. However, a color tone that approximates white can be obtained by reducing the amount of the carrier supported by using the above-described high-lightness dye used for yellow.

  Depending on the application used, ruthenium metal complex dyes generally known as sensitizing dyes include N3, black dye, bipyridine-carboxylic acid group, bipyridine series, phenanthroline, quinoline, β-diketonate complex, and other Os metal complexes, Metal complex dyes such as Fe metal complex, Cu metal complex, Pt metal complex, Re metal complex, methine dyes such as cyanine dyes and merocyanine dyes, mercurochrome dyes, xanthene dyes, porphyrin dyes, phthalocyanine dyes, azo dyes, coumarins Organic dyes such as dyes can also be used.

  Further, as the electrolyte layer 14, a liquid electrolyte such as a mixed solution of acetonitrile and ethylene carbonate, a solvent such as methoxypropionitrile and an electrolyte such as lithium iodide and metallic iodine, a polymer gel electrolyte, and the like Liquid electrolyte systems such as quasi-solidified electrolytes, solid electrolyte systems such as p-type semiconductors and hole transport agents can be used.

  As the conductive coating 12 on the electrode substrate 11 side, tin-doped indium oxide (ITO), fluorine-doped tin oxide (FTO), gold, platinum, etc., which have excellent transparency and high conductivity, and combinations thereof Is formed by an appropriate method such as a vacuum deposition method, a sputter deposition method, an ion plating method, a CVD method, or an electrophoretic electrodeposition method, or a film on which these thin films are formed is attached to the electrode substrate 2 Or the like.

  Further, as the conductive coating 15 on the counter substrate 16 side, platinum, carbon, a conductive polymer, a composite material of the above-mentioned substance with a metal oxide such as tin-doped indium oxide (ITO), fluorine-doped tin oxide (FTO), or the like , Using a suitable method such as a vacuum deposition method, a sputtering deposition method, an ion plating method, a CVD method, or an electrophoretic electrodeposition method, or affixing a film on which these thin films are formed, etc. Can be formed.

  FIG. 3 shows an example of application of the rod-shaped body with solar cell according to the present invention, and is a front view showing application to a protective fence. The protective fence 100A is a protective fence for vehicles, and the horizontal beam 30 is attached to the support column 20 using the mounting bracket K in three stages. By using the rod-like body 10 with solar cells for the support column 20 and the cross beam 30, it is possible to generate power by utilizing the surface of the protective fence 100A and distribute the electric power to the electrical equipment around the protective fence 100A. Moreover, the visibility at night can be dramatically improved by using the rod-shaped body 10 with a solar cell shown in 2nd embodiment for the horizontal beam 30. FIG.

  FIG. 4: is a front view which shows the other example of application of the rod-shaped body with a solar cell concerning this invention, and shows application to an exterior fence. The exterior fence 100 </ b> B is formed by attaching the fence panel 40 to the support column 20 using the mounting bracket K. The column 20 has a rectangular cross section. The column 20 with solar cells is used for the column 20, or the rods 10 with solar cells are used for the horizontal beam 401 and the vertical beam 402 forming the mesh panel 40. Thus, the electric power can be distributed to the electric facilities around the external fence 100B. In addition, by providing the light emitter shown in the second embodiment at least near the top of the support column 20, it is possible to clearly indicate the existence of the exterior fence 100B at night and to warn an intruder, etc. Benefits can be gained.

  FIG. 5 is a perspective view showing another example of application of the rod-shaped body with solar cell according to the present invention, and application to a low-rise soundproof wall. The soundproof panel 100C shown in this figure is used for forming a low-rise soundproof wall, and a handrail 60 having a semicircular cross section is attached to the upper end of the panel main body 50 having sound absorption properties. By using the attached rod-shaped body 10, it is possible to generate power using the surface of the handrail 60 and distribute the electric power to the electrical equipment around the low-rise soundproof wall. Further, by using the bar 10 with solar cells shown in the second embodiment for the horizontal beam 30, it is possible to improve the visibility of the low-rise soundproof wall at night and to illuminate the sidewalk and the roadway.

  FIG. 6 is a perspective view showing another example of application of the rod-shaped body with solar cells according to the present invention, and application to an indoor handrail. A handrail 60 is provided on a wall W along the corridor R or the stairs T in a public facility or a hospital indoor. By using the rod-like body 10 with a solar cell for the handrail 60, an indoor lighting lamp or the like is provided. Electricity is generated by light, and the electric power can be distributed to electrical facilities around the handrail 60. Further, by using the bar 10 with solar cells shown in the second embodiment for the handrail 60, the handrail 60 emits light without relying on an external power source even when it becomes dark, such as during a power failure at night, and the corridor R or The stairs T can be recognized, which can lead to smooth evacuation guidance and the like.

It is explanatory drawing which shows 1st embodiment of the handrail with a solar cell concerning this invention. It is sectional drawing which shows the detail of the solar cell part in 1st embodiment. It is explanatory drawing which shows 2nd embodiment of the handrail with a solar cell concerning this invention. It is explanatory drawing which shows an example of application of the handrail with a solar cell concerning this invention. It is explanatory drawing which shows the other example of application of the handrail with a solar cell concerning this invention. It is explanatory drawing which shows the other example of application of the handrail with a solar cell concerning this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Solar cell part 2 Drive body 3 Power storage means 4 Luminescent body 10 Rod-shaped body with solar cell

Claims (3)

A rod-like body provided with a solar cell portion having at least a part of the outer surface as a light-receiving surface, wherein the solar cell portion is formed using a dye-sensitized solar cell. body. The rod-shaped body with a solar cell according to claim 1, wherein substantially the entire outer periphery of the cross section is the solar cell portion, and the solar cell portion is a driving body. In addition, the power storage means and a light emitter are provided, and the electric power generated by the solar cell unit is stored in the power storage means, and the light emitter emits light by the power supplied from the power storage means. The rod-shaped body with solar cell according to claim 1 or 2, wherein light emitted from the light emitter is transmitted through the solar cell portion and emitted to the outside.

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