Canon Kabushiki Kaisha

Makoto Sasaoka

Satoru Shiomi

Yuji Inoue

Hidehisa Makita

Shigenori Itoyama

Masahiro Mori

Fumitaka Toyomura

Toshihiko Mimura

Ayako Komori

Yoshitaka Nagao

Kimitoshi Fukae

Ichiro Kataoka

Tatsuo Fujisaki

There is disclosed a photovoltaic power generating structure in which a solar cell module is arranged on a base member, wherein a closed space portion cut off from the air is provided between the base member and the solar cell module. Thus, there can be provided a photovoltaic power generating structure which can be easily constructed at a low installation cost, can maintain a good output as a photovoltaic power generating system, is excellent in environmental resistance, and can improve fireproofness.

Photovoltaic power generating structure

A concentrating photovoltaic module comprising: a lightguide member having at least one exit face and a plurality of entrance faces; and at least one solar cell placed immediately after the exit face of the lightguide member; wherein the lightguide member is comprised of a light transmissive, solid medium having no refractive-index-discontinuity portion and a surface of the lightguide member is smooth and wherein the lightguide member makes sunbeams incident on the plurality of entrance faces, totally reflected on side faces, and emergent from the exit face, whereby the sunbeams can be concentrated on the solar cell with high efficiency.

Concentrating photovoltaic module and concentrating photovoltaic power generating system

A terminal box is provided for covering an exposed electrode portion of a photovoltaic element. A part or all of each side of the terminal box includes an inclined surface.

Terminal box and solar cell module

In a solar cell roof structure, a photovoltaic power generating apparatus, a building and a method of construction of a solar cell roof, in which a solar cell module is provided above a roof base of a building, an electrical wire for the solar cell module is provided in a space between the solar cell module and the roof base, and the electrical wire extends into a space at the back of the roof base through a through hole provided in the roof base. A base sealing member on the roof base is provided for covering the through hole and an exit is provided in the base sealing member through which the electrical wire extends into the space between the solar cell module and the roof base at a portion of the base sealing member other than a portion just over the through hole of the base sealing member. The base sealing member can include a heat-resisting or fire resistive material on the roof base for covering the through hole.

Solar cell roof structure, construction method thereof, photovoltaic power generating apparatus, and building

This invention provides a solar cell module array comprised of two or more different types of modules, wherein said two or more different types of modules are rectangular, having different lengths and method for installing solar cell modules.

Solar cell module array and method for installing solar cell modules

A terminal lead-out structure of a highly reliable solar cell module having a good operativity comprises a hollow structure for the insulating protection of an electrode lead-out portion of the solar cell module. The hollow structure is provided with an extrusion at least on a part of the surface thereof to face the solar cell module. The hollow structure is bonded to the solar cell module by the application of an adhesive agent.

Terminal lead-out structure and solar-cell apparatus provided with such structure

A solar cell module has an outermost surface comprising a surface member on the light receiving face side of the solar cell module, a back face comprising a back face member on the non-light receiving face side of the solar cell module, and a photovoltaic element between the surface member and the back face member. The solar cell module is characterized in that it has a porous incombustible member having a structural strength between the photovoltaic element and the back face member. A solar cell-bearing roof and a solar cell power generation system in which the solar cell module is used are also disclosed.

Solar cell module, solar cell-bearing roof and solar cell power generation system

An installation structure of a solar cell module array in which a plurality of solar cell module strings are arranged on a desired installation face is provided. The plurality of solar cell module strings have a plurality of solar cell modules. There is an inter solar cell module connection cable to electrically connect the plurality of solar cell modules, as well as a positive string cable and a negative string cable. A non-contacting means is provided such that no contact occurs between the positive string cable and the negative string cable or between the inter solar cell module connection cable and the positive string cable or/and the negative string cable. This solar cell module array installation structure excels in safety. That is, in the array installation structure, the positive and negative string cables are wired in a desirable state so that no electric short occurs between these two cables, even when a fire occurs in the vicinity of the installation face.

Installation structure of solar cell module array, installation method of solar cell module, and sunlight power generation system

A solar panel roofing board and a general roofing board are electrically connected directly or indirectly via a clip, spring, vis, and so on. Further, a conductive member is provided between the roofing boards and a roof installation surface, and the roofing boards are connected to the conductive member. Accordingly, potentials of the roof configuring parts of a photovoltaic power generation roof using a solar panel roofing board become the same, thereby making it easy to ground them as well as to select a connection point to the ground. Further, a metal sheet roof provided for securing fire resistance is used to achieve the above object.

Photovoltaic power generation roof and installation method thereof

A solar cell module comprising one or more solar cells enclosed therein is characterized in that the solar cell module has a heat-sensitive circuit cut-off means or a heat-sensitive circuit cut-off means having a functionally divided structure comprising a heat-sensitive means and a circuit cut-off means, is disclosed. A solar cell array comprising a plurality of solar cell modules electrically connected with each other by means of an electric connection means is, characterized in that the solar cell array has a heat-sensitive circuit cut-off means or a heat-sensitive circuit cut-off means having a functionally divided structure comprising a heat-sensitive means and a circuit cut-off means, is also disclosed. A sunlight power generation apparatus comprises a solar cell array and at least an inverter.

Solar cell module, solar cell array and sunlight power generation apparatus

There is disclosed a solar cell module comprising a solar cell element, a front surface member provided at the light receiving surface side of the solar cell element, and a back surface member provided at the back surface side of the solar cell element. The front surface member and the back surface member are adjoined in a releasable state. At least the front surface member and the solar cell element are in close contact or the front surface member is in close contact with a solid layer which is in close contact with the solar cell element. The solar cell element, the front surface member and the back surface member can be separated without leaving residue of any of the front surface member, the back surface member or the solid layer on the solar cell element. Thus, there is provided a solar cell module allowing for easy component separation and easy collection and classification, whereby recycling of each component, particularly of the solar cell element, is facilitated.

Solar cell module and power generation apparatus

Solar battery module

By providing a non-contact means and/or a non-contact space between electric connecting members and an underlaying material and/or a substrate material and/or a rear material, the temporal degradation of a solar cell module can be prevented which is caused by a contact between the electric connecting members for the module and the underlaying material and/or the substrate material and/or the rear material.

Growing community of inventors

Kyotanabe, Japan

Makoto Sasaoka