JP2000031517A - Solar cell module - Google Patents

Abstract

(57) [Summary] [Problem] To prevent output cables from getting in the way during production, transportation, and packing. SOLUTION: The disclosed invention includes a solar cell module main body 1 having a function of converting sunlight into electric power, and an output cable 3 electrically connected to the solar cell module main body 1 to take out generated electric power. And a connector 4 attached to the tip of the output cable 3. A connector holding portion for holding the connector 4 in a fitted state on the back surface of the solar cell module body 1. 5 and a cable holding part 6 for fitting and holding a part in the middle of the output cable 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a solar cell module mounted on a roof of a house or the like.

[0002]

2. Description of the Related Art In recent years, as global environmental problems and energy depletion problems due to increased consumption of fossil fuels have become more serious, panel-shaped solar cell modules have been installed on roofs of houses and the like to provide clean solar cells. 2. Description of the Related Art A residential photovoltaic power generation system that draws power directly from energy and supplies the power to a home has attracted attention. As described in Japanese Patent Application Laid-Open No. 9-148612, a solar cell module used in this residential solar power generation system has a solar cell module body attached to a mount.

[0003] The solar cell module main body is usually made of a light-receiving surface protection material made of translucent glass or plastic, a solar cell cell sealing material such as a sheet-like ethylene vinyl acetate (EVA), and a solar cell cell sealing material. A solar cell such as monocrystalline silicon, polycrystalline silicon, amorphous silicon, or a compound semiconductor sealed in a stopper, and a back film (usually a vinyl fluoride resin or polyethylene) for protecting the solar cell sealing material from the back surface A film in which an aluminum foil is sandwiched with a terephthalate resin (PET)) and a terminal for extracting electric power generated in the solar cell.

[0004] The solar cell module body is
Laminate the light-receiving surface protection material, the solar cell sealing material, the solar cells, and the back film, with the terminals taken out from the holes pre-drilled in the solar cell sealing material and the holes pre-drilled in the back film. Then, the whole is heated and pressurized to melt the solar cell encapsulant, and the whole is integrally bonded to produce. In addition, as the solar battery cells, a plurality of solar battery cells (cell strings) in which a plurality of solar battery cells are solder-coated (interconnector) using copper or silver as a base material and connected in series are used. In addition, a photothermal hybrid module in which a solar cell module and a heat collecting panel are configured as a hybrid, so that sunlight can be effectively used from both light energy and heat energy is also known.From the solar surface side, Tempered glass, an adhesive layer, solar cells connected by lead wires, an adhesive layer also serving as an insulator, and a metal heat collecting panel are stacked in this order.

By the way, the solar cell module 100 includes:
As shown in FIG. 6, terminals protruding from the back film 201 on the back surface side of the solar cell module main body 200 are electrically connected to the output cable 500 in the terminal box 400, and the terminal box 400 is bonded to the back film 201. After filling the terminal box 400 with silicone or the like in order to maintain waterproofness of the connection portion between the terminal and the output cable 500, the terminal box 400 is sealed with a lid, and a waterproof connector is attached to the end of the output cable 500. 501 is attached. The most frequently used solar cell module main body 200 is approximately 1 m × approximately 1 m and several cm thick, and the length of the output cable 500 is approximately 1.5 m. In the case of the photothermal hybrid module as well, the output cable was connected to the inner lead terminal of the solar cell module via a through hole provided in the approximate center of the heat collecting panel, and was generated in the solar cell. Power is taken out.

[0006]

However, in the above-described solar cell module 100, two + and-output cables 500 having a length of about 1.5 m attached to the solar cell module main body 200 hang. ing. Therefore, when producing, transporting, and packing the solar cell module 100, the output cable 500 having a length of about 1.5 m hanging loosely is caught by a production device, equipment, or packing material, or steps on the output cable 500. The output cable 500 may be damaged due to the attachment.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a solar cell module in which an output cable is not in the way during production, transportation, and packaging and is easy to handle.

[0008]

In order to solve the above-mentioned problems, the invention according to claim 1 is directed to a solar cell module main body having a function of converting sunlight into electric power, and electrically connected to the solar cell module main body. The present invention relates to a solar cell module having an output cable for extracting generated power and a connector attached to a tip of the output cable, wherein the solar cell module body has the connector fitted or A connector holding portion for holding in an engaged state is attached.

According to a second aspect of the present invention, there is provided the solar cell module according to the first aspect, wherein the connector holding portion is provided on a back surface of the solar cell module main body.

According to a third aspect of the present invention, there is provided the solar cell module according to the first aspect, wherein an internal lead wire built in the solar cell module main body and the output cable are provided on a back surface of the solar cell module main body. And a terminal box for electrically connecting the terminal box, and the terminal box is provided integrally with the connector holding portion.

[0011] The invention according to claim 4 is based on claim 1,
The solar cell module according to item 2 or 3, wherein the connector holding portion is configured to be capable of fitting and holding the connector in a waterproof state.

[0012] The invention according to claim 5 provides a solar cell module body having a function of converting sunlight into electric power,
The present invention relates to a solar cell module, comprising: an output cable electrically connected to the solar cell module main body for taking out generated power; and a connector attached to a tip of the output cable. Is characterized in that a cable holding portion for holding an arbitrary portion of the output cable in a fitted state or an engaged state is attached.

According to a sixth aspect of the present invention, there is provided the solar cell module according to the fifth aspect, wherein the cable holding portion is provided on a back surface of the solar cell module main body. According to a seventh aspect of the present invention, there is provided the solar cell module according to the fifth aspect, wherein an internal lead wire built in the solar cell module main body and the output cable are electrically connected to a back surface of the solar cell module main body. A terminal box for connecting the cable, and the terminal box is integrally provided with the cable holding portion.

[0014]

The solar cell module according to claims 1 and 5,
Since a connector holding portion (or a cable holding portion) for holding the connector at the end of the output cable (or an arbitrary portion of the output cable) in a fitted state or an engaged state is attached to the solar cell module body. When a solar cell module is produced, transported, or packed, if a connector (or an arbitrary part of a cable) is fitted and held in a connector holding part (or an output cable holding part), an output cable is loosely swung. Because it does not fall, it does not catch on production equipment, equipment, or packing materials, and does not step on the output cable. Therefore, handling of the solar cell module is further facilitated.

According to the second and fifth aspects of the present invention, the connector holding portion (or the cable holding portion) is provided on the back surface of the solar cell module main body. Cable holder)
Does not disturb the light emitted to the surface of the solar cell module.

According to the third and seventh aspects of the present invention, the terminal box and the connector holding portion (or the cable holding portion) are provided integrally, so that the manufacture of the solar cell module is simplified and easy.

If the connector holding portion and the cable holding portion are provided together in the solar cell module body, the output cable can be held at both ends and the intermediate portion, so that the handling of the solar cell module is further facilitated. Becomes

[0018]

Embodiments of the present invention will be described below with reference to the drawings. The description will be specifically made using an embodiment. First Embodiment FIG. 1 is a perspective view showing a back side appearance of a solar cell module according to a first embodiment of the present invention, and FIG. 2 is a diagram showing a connector holding portion of the solar cell module in which a connector is fitted and held. FIG. 3 is a perspective view showing a state of the cable holding portion, and FIG. 3 is a perspective view showing a structure of the cable holding portion. The solar cell module A of this example includes a solar cell module body 1, a terminal box 2, an output cable 3, a waterproof connector 4,
It is roughly composed of a connector holding section 5 and a cable holding section 6. That is, the solar cell module A of this example
Is significantly different from the conventional configuration in that two connector holding portions 5 and one cable holding portion 6 are further attached to the back surface of the solar cell module main body 1. . A terminal box 2 is provided on the back surface of the solar cell module main body 1 in the same manner as the conventional solar cell module main body, and output cables 3 and 3 of + and-are protruded from the terminal box 2. The ends of the + and-output cables 3, 3 are connected to the + and-
Waterproof connectors 4 and 4 are attached. The size of the solar cell module body 1 is about 1.5 m × about 1.5
m and the thickness is approximately 5 cm. The length of the output cable 3 is approximately 1.5 m.

As shown in FIG. 2, the connector holding portion 5 is provided with a pair of arc-shaped spring plates 51, 51 facing each other from both sides.
Is pressed, the spring plates 51 on both sides are expanded, and the waterproof connector 4 is fitted and stored in the space therebetween.
In this state, a force is exerted on the arc-shaped spring plates 51, 51 to return to the original state due to elasticity.
Is firmly held. On the other hand, waterproof connector 4
If you pull it, it will come off. As shown in FIG. 1, one connector holding portion 5 is provided on each side of the back surface of the solar cell module body 1 so that the + and-waterproof connectors 4 and 4 can be attached. I have.

As shown in FIG. 3, the cable holding section 6
On the substrate 61, there are provided two pairs of arc-shaped spring plates 62, 62 which are provided facing each other from both sides. When the output cable 3 is pressed, the spring plates 62, 62 are pressed. The output cable 3 is expanded and accommodated in the space between the output cables 3 in a fitted state. In this fitted and stored state, the pair of arc-shaped spring plates 62, 62 exerts a force to return to the original state by elasticity, so that the output cable 3 is firmly held. On the other hand, if the user wants to remove the output cable 3 from the cable holding section 6, the user pulls the output cable 3 out of the spring plate 6.
2 and 62 are expanded and come off. The cable holding section 6 is shown in FIG.
As shown in the figure, the photovoltaic module is provided on the back side of the solar cell module body 1 on the side opposite to the terminal box 2.

The solar cell module A having the above configuration is manufactured and manufactured.
When transporting and packing, as shown in FIG. 1, the waterproof connector 4 attached to the tip of the output cable 3 is fitted and held in the connector holding section 5 and the output cable 3 is fitted and held in the cable holding section 6. If you do, the output cable 3
The output cable 3 is held on the back surface of the solar cell module 1 at three locations: the base, the tip, and the center.
Does not hang. Therefore, the output cable 3 does not get caught on the production device, the equipment, or the packing material, and does not trample on the output cable, so that the handling of the solar cell module 1 is facilitated. In addition, since the terminal box 2, the connector holding parts 5, 5, and the cable holding part 6 are all provided on the back surface of the solar cell module main body 1, when the solar cell module A generates power, these constituent parts 2, 2
5, 5, and 6 do not disturb the light emitted to the surface of the solar cell module A.

Second Embodiment Next, a second embodiment of the present invention will be described. FIG. 4 is a perspective view showing a back side appearance of a solar cell module according to a second embodiment of the present invention, and FIG. 5 shows a state where a connector is to be held in a connector holding portion constituting the solar cell module. It is a perspective view.

As shown in FIG. 4, the solar cell module B of this embodiment has a solar cell module body 1b, a terminal box 2b, an output cable 3b, and a waterproof connector 4b.
And a connector holding portion 5b. A terminal box 2b is provided on the back surface of the solar cell module main body 1b, similarly to the conventional solar cell module main body, and + and-output cables 3 are connected from the terminal box 2b.
b and 3b come out. The + and-output cables 3b,
At the tip of 3b, a waterproof connector 4 for connection is provided.
b, 4b are attached. The size of the solar cell module main body 1b is about 1.5 m × about 1.5 m, and the thickness is about 5 cm. The length of the output cable 3b is approximately 1.5 m.

This embodiment is different from the conventional solar cell module body in that one connector holding portion 5b is attached to each of both side surfaces of the terminal box 2b. As described above, since the connector holding portions 5b are provided on both side surfaces of the terminal box 2b, when the terminal box 2b with the connector holding portions 5b is manufactured and the solar cell module B is manufactured, the solar cell module body is manufactured. The terminal box 2b and the connector holding portion 5b can be provided at the same time simply by attaching the terminal box 2b with the connector holding portion 5b to the back surface of the solar cell module 1b, thereby simplifying the manufacture of the solar cell module B.

As shown in FIG. 5, the connector holding portion 5b has a shape capable of being fitted to the waterproof connector 4b in a waterproof state. That is, the waterproof connector 4b of either + or-generally has a rod-shaped metal electrode protruding from the end face of the cylindrical body of the electrical insulator.
Connector holding portion 5b holding this waterproof connector 4b
Has a hole into which this rod-shaped electrode can be inserted,
The rod-shaped electrode of the waterproof connector 4b is connected to the connector holding portion 5
The electrode is prevented from getting wet when it is inserted and fitted into the hole b. The other waterproof connector 4b is provided with a hole in an end surface of a cylindrical body of an electrical insulator, and a plate-like metal electrode having a plate shape in the hole. Is held by the connector holding portion 5b.
A rod-shaped body that can be inserted into this hole is provided, and when this rod-shaped body is inserted into and fitted into the hole of the waterproof connector 4b, the plate-like electrode in the hole is prevented from getting wet. .

As described above, since the waterproof connector 4b can be fitted in the connector holding portion 5b in a waterproof state, if the waterproof connector 4b is fitted and held in the connector holding portion 5b, the solar cell module B When manufacturing, transporting, packing, and storing, even if it encounters rain or the like and gets wet, rust does not occur on the electrodes of the waterproof connector 4b.

The solar cell module B having such a configuration
When producing, transporting, and packing, as shown in FIG. 4, the waterproof connector 4 attached to the tip of the output cable 3b
When the connector b is fitted and held in the connector holder 5b, the tip of the output cable 3b (the waterproof connector 4b) does not hang loosely. Therefore, the solar cell module B can be easily handled because it does not get caught on the production apparatus, equipment, or packing material, and does not step on the output cable. Also, the terminal box 2b with the connector holding portion 5b
Is provided on the back surface of the solar cell module main body 1, so that when the solar cell module B generates power, the terminal box 2b with the connector holding portion 5b does not disturb the light emitted to the surface of the solar cell module B.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and there are design changes and the like that do not depart from the gist of the present invention. Is also included in the present invention. For example, the connector holding portion and the cable holding portion may be made of a suitable elastic material such as metal or plastic resin. Further, the shape, flexibility, strength, etc. may be manufactured according to the shape, flexibility, strength, etc. of the waterproof connector and the output cable, respectively.
Further, in the above-described second embodiment, the connector holding portion is provided, but instead, only the cable holding portion may be provided, so that the handling of the solar cell module is easier than in the related art. Becomes Further, in the above-described embodiment, the configuration in which the connector holding unit and the cable holding unit can hold the connector and the output cable in the fitted state has been described.

[0029]

As described above, in the solar cell module according to the first and fifth aspects, the connector (or any part of the output cable) at the end of the output cable is fitted to the solar cell module body. Since the connector holding portion (or cable holding portion) for holding in a mated state is attached, the connector (or an arbitrary portion of the cable) can be connected to the connector holding portion when producing, transporting, and packing the solar cell module. (Or the output cable holding section), the output cable will not hang loosely, so it will not be caught by production equipment, equipment, or packing materials.
There is no step on the output cable. Therefore, handling of the solar cell module is further facilitated. According to the configuration of claims 2 and 5, the connector holding portion (or the cable holding portion) is provided on the back surface of the solar cell module main body.
The connector holding section (or the cable holding section) does not disturb the light emitted to the surface of the solar cell module. According to the third and seventh aspects of the present invention, since the terminal box and the connector holding portion (or the cable holding portion) are provided integrally, the manufacture of the solar cell module becomes simple and easy.

If the connector holding portion and the cable holding portion are provided together in the solar cell module body, the output cable can be held at both ends and the intermediate portion, so that the handling of the solar cell module is further facilitated. Becomes

[Brief description of the drawings]

FIG. 1 is a perspective view showing a back side appearance of a solar cell module according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which a connector is to be fitted and held in a connector holding section constituting the solar cell module.

FIG. 3 is a perspective view showing the structure of the cable holding unit.

FIG. 4 is a perspective view showing a back side appearance of a solar cell module according to a second embodiment of the present invention.

FIG. 5 is a perspective view showing a state in which a connector is to be held by a connector holding portion constituting the solar cell module.

FIG. 6 is a perspective view showing the appearance of the back side of a conventional solar cell module.

[Explanation of symbols]

 A, B Solar cell module 1, 1b Solar cell module main body 2, 2b Terminal box 3, 3b Output cable 4, 4b Waterproof connector (connector) 5, 5b Connector holding section 6 Cable holding section

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Toshihiro Kondo 2-4-4 Nishitenma, Kita-ku, Osaka Sekisui Chemical Industry Co., Ltd. (72) Inventor Jun Hasegawa 2-4-4, Nishitenma, Kita-ku, Osaka Sekisui Chemical Within Industrial Co., Ltd. (72) Inventor Shigeru Sugita 22-22, Nagaikecho, Abeno-ku, Osaka-shi, Osaka F-term (in reference) 5F051 BA03 EA01 EA17 JA18 JA20

Claims (7)

[Claims] 1. A solar cell module main body having a function of converting sunlight into electric power, an output cable electrically connected to the solar cell module main body for taking out generated electric power, and a tip of the output cable. A solar cell module having an attached connector, wherein a connector holding portion for holding the connector in a fitted state or an engaged state is attached to the solar cell module body. A solar cell module characterized by the above-mentioned. 2. The solar cell module according to claim 1, wherein the connector holding portion is provided on a back surface of the solar cell module main body. 3. A terminal box for electrically connecting an internal lead wire built in the solar cell module main body and the output cable is provided on a back surface of the solar cell module main body. The solar cell module according to claim 1, wherein the connector holding portion is provided integrally with the solar cell module. 4. The solar cell module according to claim 1, wherein said connector holding portion is configured to fit and hold said connector in a waterproof state. 5. A solar cell module main body having a function of converting sunlight into electric power, an output cable electrically connected to the solar cell module main body for taking out generated electric power, and a tip of the output cable. A solar cell module having an attached connector, wherein the solar cell module body has a cable holding portion for holding an arbitrary portion of the output cable in a fitted state or an engaged state. A solar cell module being worn. 6. The solar cell module according to claim 5, wherein the cable holding portion is provided on a back surface of the solar cell module main body. 7. A terminal box for electrically connecting an internal lead wire built in the solar cell module main body and the output cable is provided on a back surface of the solar cell module main body. The solar cell module according to claim 5, wherein the cable holding portion is provided integrally with the solar cell module.