JPH09182314A - Charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To use a charger as a large-sized one making its size larger in the case of charging a large-capacity battery and to use it as a small-sized one reducing its size in carrying, by arranging a plurality of solar batteries being in boardlike shapes at intervals on an insulating sheet 1 of cloth or flexible thin leather, and making this insulating sheet foldable. SOLUTION: A plurality of solar batteries 2 formed into boardlike shapes are arranged at intervals on a flexible insulating sheet 1 of cloth, chamois leather, etc., and the light receiving surface and the rear of each solar battery 2 are fixed to the insulating sheet 1 with a pressure sensitive double coated tape, an adhesive agent, etc. A charger 11 is composed of a plurality of solar batteries 2 fixed on to the insulating sheet 1, a charging circuit 5, a connector 6, and connecting wires 3 for these. When a battery 8 is charged, the charger 11 is widened large and used with all the solar batteries 2 exposed outside. When carrying, the connector 6 is removed from a connector receptacle 7, the insulating sheet 1 is folded in along folding lines 10 shown by broken lines, and the charger 11 is folded compactly so as to be convenient for carrying.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device for charging a battery using solar cells.

[0002]

2. Description of the Related Art Generally, in this type of charging device, a fixed number of solar cells are fixedly arranged on the surface of a fixed base, and the respective solar cells are electrically connected to each other. The connector is formed on the terminal. Then, when this connector is connected to the connector receiving port of the charging adapter for the battery, the power generation output of the solar cell by the irradiation of light in the charging device is supplied to the charging adapter via the connector terminal. A battery is attached to this charging adapter to store the electromotive force of the solar cells in the battery.

[0003]

Generally, in this type of charging device, when the shape is constant and the capacity of the battery is large, the number of solar cells used is large and the battery is large and difficult to carry.
In addition, there is a problem in that a small-sized device that is convenient to carry is not suitable for charging a large-capacity battery, and improvement has been desired.

An object of the present invention is to provide a charging device which can be used in a large size when charging a battery having a large capacity and can be formed in a small size when carried.

[0005]

In view of the above, according to the present invention, a plurality of solar cells formed in a plate shape on a cloth or a flexible thin insulating sheet having flexibility are fixedly arranged at intervals so that the charging device can be folded. When the battery is charged, the charging device is widened to expose the entire number of solar cells to the outside, and when it is carried, it is folded into a small size for practical use.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing the configuration of the charging device of the present invention.

In FIG. 1, reference numeral 1 denotes a flexible insulating sheet such as cloth or chamois, and a plurality of plate-shaped solar cells 2 (a few solar cells 2 shown in the figure are formed on the insulating sheet 1. The solar cells are connected in series or in parallel and integrated on the substrate) are arranged at intervals, and the back surface of the light receiving surface of each solar cell 2 and the insulating sheet 1 are double-sided tape. It was fixed using an adhesive or the like. Electrodes 4 are formed at both ends of each solar cell 2, and adjacent solar cells 2 are connected in series by a conductive connecting wire 3. Here, a case where a plurality of solar cells 2 are connected in series has been described, but in the connection configuration of the plurality of solar cells, the combination of series connection and parallel connection is changed according to the capacity and voltage of the battery to be charged. Reference numeral 5 denotes a charging circuit that rectifies and smoothes the voltage generated by the plurality of solar cells 2 connected in series upon receiving light irradiation. In FIG. 1, the charging circuit 5 is fixed on the insulating sheet 1, which will be described later. It may be built in the charging adapter 9 of the battery 8. Reference numeral 6 denotes a connector for accommodating the output terminal of the charging circuit 5. The plurality of solar cells 2 fixed on the insulating sheet 1, the charging circuit, the connector 6 and the connecting line 3 constitute a charging device 11. This charger
The connector 6 of 11 is connected to the connector receptacle 7 of the charging adapter 9. With the battery 8 attached to the charging adapter 9 and the connector 6 connected to the connector socket 7, when the plurality of solar cells 2 connected in series receive light, each solar cell 2 generates electricity and the charging circuit 5 Outputs the voltage generated by power generation. The charging circuit 5 rectifies and smoothes this voltage and supplies it to the battery 8 to store the electromotive force of the solar cell 2 in the battery 8. When the battery 8 is charged, the charging device of FIG. 1 is used by widening the charging device to expose the entire number of the solar cells 2 to the outside. When carrying the battery 8, the connector 6 is removed from the connector receiving port 7 to remove the insulating sheet 1. By folding along the folding line 10 shown by the broken line, the charging device can be folded into a small size convenient for carrying. The folding line 10 is shown for convenience of explanation, but is not actually necessary.

[0008]

As described above, the charging device of the present invention is foldable in the form of a sheet. When charging the battery, the charging device is widened to expose the entire number of solar cells to the outside, and when the battery is carried, the charging device is folded small. It has excellent effects such as being convenient to carry.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

[Explanation of symbols]

 1 Insulating Sheet 2 Solar Cell 3 Connection Line 4 Electrode 5 Charging Circuit 6 Connector 7 Connector Receptacle 8 Battery 9 Charging Adapter 11 Charging Device

Claims (1)

[Claims] 1. A charging device for electrically connecting a plurality of solar cells and supplying the output voltage generated by the plurality of solar cells to a battery by irradiating light to charge the battery, which is made of cloth or flexible material. A charging device, characterized in that the plurality of solar cells formed in a plate shape are arranged at intervals on a thin-skin insulation sheet having the above-mentioned structure and the insulation sheet is foldable.