JP2001351418A - Light-emitting module using solar energy generation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To cut down with cost through miniaturization of a device and simplification of manufacturing process by reducing the number of parts. SOLUTION: The light-emitting module using solar energy generation has a solar battery module 1, a light-emitting module 9 and a group of electronic circuits for having the modules emit light integrally mounted on one board. The solar battery module 1 is set on the surface of the board and a light- emitting module made of one or a plurality of light-emitting element and a group of electronic circuits 4 to 8 for having the light-emitting module emit light are set on the rear surface of the board. The solar battery module 1, the light-emitting module and the group of electronic circuits 4 to 8 are connected through a through-hole IC fitted on the board 2. Or, another way is to arrange the light-emitting module on the surface of the board 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photovoltaic module utilizing photovoltaic power generation in which a solar cell module, a light emitting module and an electronic circuit group for causing the light emitting module to emit light are integrated and mounted on a single substrate. .

[0002]

2. Description of the Related Art Photovoltaic modules utilizing photovoltaic power generation are used for traffic signs, signals, information signs for public institutions, public notice towers, small lights, etc., and are required to be small, durable, and inexpensive. I was This photovoltaic module utilizing solar power generation includes a substrate on which a solar cell module is mounted, and a substrate on which a light emitting module that emits light using the electromotive force of the solar cell module and a peripheral circuit for causing the light emitting module to emit light are separately mounted. After preparing and mounting the solar cell module, the light emitting module and its peripheral circuit on each substrate, the electrical connection between these substrates was performed. In such a mounting structure or mounting operation process, there is a problem that the operation process becomes complicated and the device cannot be downsized.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to reduce the number of parts and reduce the size of the apparatus and simplify the manufacturing process. To reduce costs.

[0004]

SUMMARY OF THE INVENTION The present invention relates to a photovoltaic module utilizing photovoltaic power generation in which a photovoltaic power generation section and a light emitting section which emits light by the electromotive force of the photovoltaic power generation section are mounted on a single flat substrate. A light-emitting unit including one or more light-emitting elements on one surface of the substrate, a light-emitting unit including one or more light-emitting elements on the other surface of the substrate, and an electronic circuit for causing the light-emitting unit to emit light. It is a photovoltaic module utilizing solar power generation in which a group is mounted.

[0005] The present invention is a photovoltaic module utilizing solar power generation in which a photovoltaic power generation unit and a light emitting unit that emits light by the electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. A solar cell module including a plurality of solar cells on one surface, a light emitting unit including one or a plurality of light emitting elements and an electronic circuit group for causing the light emitting unit to emit light on the other surface of the substrate; A light emitting module utilizing solar power generation mounted so as to connect the solar cell module with the light emitting unit and the electronic circuit group through the through holes provided in the light emitting module.

The present invention is a photovoltaic module utilizing photovoltaic power generation in which a photovoltaic power generation unit and a light emitting unit that emits light by electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. A solar cell module including a plurality of solar cells and a light emitting unit including one or a plurality of light emitting elements on one surface, and sunlight mounted with an electronic circuit group for causing the light emitting unit to emit light on the other surface of the substrate. This is a power generation light emitting module.

The present invention is a photovoltaic module utilizing solar power, in which a photovoltaic power generation unit and a light emitting unit that emits light by the electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. A light-emitting unit including a solar cell module including a plurality of solar cells and one or a plurality of light-emitting elements on one surface; and an electronic circuit group for causing the light-emitting unit to emit light on the other surface of the substrate; A light-emitting module utilizing solar power, mounted so as to connect the solar cell module and the light-emitting unit to an electronic circuit group through through holes provided in the light-emitting module.

According to the present invention, the electronic circuit group includes a backflow preventing means for preventing a current from flowing back into the solar cell module;
Power storage means for storing the electromotive force of the solar cell module, a light emission drive circuit for driving the light emitting section, a voltage conversion circuit for converting the output voltage of the power storage means to a voltage required by the light emission drive circuit, A photovoltaic module utilizing solar power generation comprising a charge / discharge control circuit that controls charging of the power storage means to the power storage means and discharge from the power storage means to a voltage conversion circuit, a light emission drive circuit, and a light emitting unit.

The present invention is a photovoltaic module utilizing solar power generation, wherein the solar cell module is covered with a laminate film.

According to the present invention, there is provided a light-emitting module utilizing photovoltaic power generation, wherein the substrate has heat resistance enough to withstand heat when the solar cell module is covered with a laminate film and high insulation.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a photovoltaic module utilizing photovoltaic power generation in which a solar cell module, a light emitting module and an electronic circuit group for causing the light emitting module to emit light are integrated and mounted on a single substrate. . As shown in FIG. 1 (side view) and FIG. 2 (plan view), a flat substrate 2
A solar cell module 1 in which a plurality of solar cells 1A are connected by an interconnector 1B is mounted on the front side (upper surface) of the substrate 2 as shown in FIG. 1 (side view) and FIG. 3 (rear view). A printed wiring 2B is provided on the back side (lower side), and a plurality of through holes 2A are formed in the substrate 2. Through the through holes 2A, the positive lead wire 1C of the solar cell module 1 and the negative lead wire 1C are formed. The lead wire 1C is connected to a printed wiring 2B on the back side (lower surface) of the substrate 2.

As shown in FIG. 1 (side view) and FIG. 3 (back view), the printed wiring 2B on the back side (lower side) of the substrate 2 is for preventing a current from flowing back to the solar cell module 1. Backflow prevention diode 4, solar cell module 1
Battery 6 for storing the electromotive force generated by the
A charge / discharge control circuit 5 for controlling charging of the secondary battery 6 and discharging from the secondary battery 6 to the load (the light emitting element group and its driving circuit). A voltage conversion circuit 7 for converting the driving voltage into a working voltage of the driving circuit, a light emission driving circuit 8 for driving a light emitting module including a plurality of light emitting elements 9, and a specific power using the electromotive force generated by the solar cell module 1. A light-emitting module including a plurality of light-emitting elements 9 that display characters, symbols, or images, and has a lighting function is mounted.

The solar cell module 1 has a laminated film 10 serving as a protective layer for improving durability.
Therefore, the substrate 2 is required to have heat resistance and high insulating property enough to withstand the heat when the solar cell module 1 is covered with the laminate film 10. And a glass epoxy plate are preferred.

As shown in FIG. 1, the back surface (lower surface) of the substrate 2
When the light emitting module 9 is provided on the substrate, light from the light emitting module is blocked by the substrate 2 and the front surface (upper surface) of the substrate
Is irradiated to the outside from the side of the substrate without being irradiated. In order to irradiate light from the light emitting module to the front surface (upper surface) of the substrate, the light emitting module 9 is provided on the surface (upper surface) of the substrate 2 as shown in FIG.

In order for the solar cell module to efficiently receive sunlight, irradiate light efficiently from the light emitting module, and to improve the durability of the entire light emitting module utilizing photovoltaic power generation, the single substrate 2 is used. The light-emitting module utilizing solar power generation mounted in the protective frame 11A shown in FIG. 6 in which the window 11B is fitted with tempered glass 11C or tempered plastic or the like, or the tempered glass or tempered plastic shown in FIG. Respectively stored in the protective case 12 consisting of
It is fixed to the installation location by a fixing tool such as a bolt or a screw.

FIG. 4 shows a solar cell module 1 according to the present invention and a light emitting module 9 comprising one or more light emitting elements 9A that emit light by the electromotive force of the solar cell module 1 on a single substrate 2.
It is a circuit configuration diagram of a photovoltaic power generation light emitting module integrated with and mounted on
Driving a backflow prevention diode 4 as backflow prevention means for preventing current from flowing back into the solar cell module 1, a secondary battery 6 as power storage means for storing electromotive force of the solar cell module 1, and a light emitting module 9 Drive circuit 8 for controlling the output voltage of the secondary battery 6
And a voltage conversion circuit 7 for converting the electromotive force of the solar cell module 1 into a voltage required by the solar cell module 1 and discharging the voltage from the secondary battery 6 to the voltage conversion circuit 7, the light emission drive circuit 8 and the light emission module 9. And a charge / discharge control circuit 5 for controlling the voltage.

As the secondary battery 6, a Ni-H battery, a Li battery, a Ni-Cd battery or the like is used, and as the light emitting element 9A, a light emitting diode, an EL, a liquid crystal, a lighting lamp or a discharge tube or the like is used.

In the present invention, the solar cell module 1
A through hole 2A is formed in the substrate 2 which has been used for protection and fixing of
B to mount a circuit and an element group using the electromotive force of the solar cell module 1 on the printed wiring 2B on the back surface of the substrate 2 and to mount a circuit and an element group using the electromotive force of the solar cell module 1 It is not necessary to separately provide a substrate, and the number of components can be reduced, the manufacturing process can be simplified, the cost can be reduced, and the device can be downsized.

[0019]

According to the present invention, a circuit and an element which are used for protection and fixing of a solar cell module, in which a through hole is formed in a substrate and a printed wiring and an electromotive force of the solar cell module are used on the back surface thereof. By mounting the groups, it is not necessary to separately provide a circuit board for mounting a circuit and an element group that use the electromotive force of the solar cell module, thereby reducing the number of components, simplifying the manufacturing process, and reducing the size of the apparatus. Is realized.

[Brief description of the drawings]

FIG. 1 is a side view showing a mounting structure of a light emitting module utilizing solar power generation of the present invention.

FIG. 2 is a plan view of a photovoltaic module utilizing solar power generation of the present invention.

FIG. 3 is a diagram showing a back surface of the photovoltaic module utilizing solar power generation of the present invention.

FIG. 4 is a circuit diagram of a photovoltaic module utilizing solar power generation of the present invention.

FIG. 5 is a side view showing a mounting structure of another embodiment of the light emitting module utilizing solar power generation of the present invention.

FIG. 6 is a plan view (a) and a side view (b) showing a state in which the photovoltaic module utilizing solar power generation of the present invention is housed in a protective frame.

FIG. 7A is a plan view showing a state where the photovoltaic module utilizing solar power generation of the present invention is housed in a hemispherical protective case.
And a side view (b).

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Solar cell module 1A Solar cell 1B Interconnector 1C Lead wire 2 Substrate 2A Through hole 2B Printed wiring 4 Backflow prevention diode 5 Charge / discharge control circuit 6 Secondary battery 7 Voltage conversion circuit 8 Light emission drive circuit 9 Light emitting module 9A Light emitting element 10 Laminate film 11A Protective frame 11B Window 11C Tempered glass V bolt 12 Protective case

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Mikihiko Omiyama 2-3-2 Daiba, Minato-ku, Tokyo Showa Solar Energy Co., Ltd. F-term (reference) 5C096 AA22 BA04 BB28 CC06 CC31 DD05 EA07 FA01 FA02 5F051 BA05 BA14 BA18 JA05 JA07 JA17 JA20

Claims (7)

[Claims] 1. A photovoltaic module utilizing a photovoltaic power generation, wherein a photovoltaic power generation unit and a light emitting unit that emits light by electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. A solar cell module comprising a plurality of solar cells on a surface, and a photovoltaic power generation device having a light emitting portion comprising one or more light emitting elements and an electronic circuit group for causing the light emitting portion to emit light on the other surface of the substrate. Light emitting module. 2. A photovoltaic module utilizing photovoltaic power generation, wherein a photovoltaic power generation unit and a light emitting unit that emits light by the electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. A solar cell module including a plurality of solar cells on a surface, a light emitting unit including one or a plurality of light emitting elements and an electronic circuit group for causing the light emitting unit to emit light are provided on the other surface of the substrate, and provided on the substrate. A light-emitting module utilizing solar power, which is mounted so as to connect the solar cell module, the light-emitting unit, and the electronic circuit group via the through hole. 3. A photovoltaic module utilizing photovoltaic power generation, wherein a photovoltaic power generation unit and a light emitting unit that emits light by the electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. Utilizing photovoltaic power generation in which a solar cell module including a plurality of solar cells and a light emitting unit including one or a plurality of light emitting elements are mounted on one surface, and an electronic circuit group for causing the light emitting unit to emit light is mounted on the other surface of the substrate. Light emitting module. 4. A photovoltaic module utilizing a photovoltaic power generation wherein a photovoltaic power generation unit and a light emitting unit that emits light by electromotive force of the photovoltaic power generation unit are mounted on a single flat substrate. A photovoltaic module including a plurality of photovoltaic cells and a light-emitting portion including one or more light-emitting elements are provided on a surface, and an electronic circuit group for causing the light-emitting portion to emit light is provided on the other surface of the substrate. A light-emitting module utilizing solar power, which is mounted so as to connect the solar cell module and the light-emitting unit to the electronic circuit group via the through hole. 5. The electronic circuit group includes: a backflow prevention unit that prevents a current from flowing back into the solar cell module; a power storage unit that stores electromotive force of the solar cell module; a light emission driving circuit that drives a light emitting unit; A voltage conversion circuit for converting an output voltage of the power storage means into a voltage required by the light emission drive circuit; and charging the electromotive force of the solar cell module to the power storage means and a voltage conversion circuit from the power storage means, a light emission drive circuit, and a light emitting unit The photovoltaic module utilizing solar power generation according to claim 1, comprising a charge / discharge control circuit that controls discharge to the solar cell. 6. The light emitting module utilizing solar power generation according to claim 1, wherein the solar cell module is covered with a laminate film. 7. The photovoltaic power generation system according to claim 1, wherein the substrate has heat resistance and high insulation sufficient to withstand heat when the solar cell module is covered with a laminate film. Light emitting module.