Canon Kabushiki Kaisha

Satoru Shiomi

Hidehisa Makita

Shigenori Itoyama

Makoto Sasaoka

Yuji Inoue

Toshihiko Mimura

Kimitoshi Fukae

Masahiro Mori

Ayako Komori

Yoshitaka Nagao

Tatsuo Fujisaki

Takeshi Takada

Ichiro Kataoka

Akiharu Takabayashi

Fumitaka Toyomura

A solar power generation system having a solar cell provided therein and which is provided with a cooling mechanism, characterized in that the cooling mechanism has a cooling system for cooling the solar cell and a memory and operation system for memorizing or operating an optimum cooling and driving state of the cooling system with respect to an output of the solar cell. The cooling system is driven based on an output of the memory and operation system.

Solar power generation system having cooling mechanism

A solar power generation system having a solar cell provided therein and which is provided with a cooling mechanism, characterized in that the cooling mechanism has a cooling system for cooling the solar cell and a memory and operation for memorizing or operating an optimum cooling and driving state of the cooling system with respect to an output of the solar cell, wherein the cooling system is driven based on an output of the memory and operation system.

Method for controlling a solar power generation system having a cooling mechanism

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

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

To optimally arrange roofing material integrated solar battery modules having a rectangular form and same size on a roof setting surface, an arrangement range in which the solar battery modules can be arranged on the roof setting surface is determined. An arranging direction of the solar battery modules is determined. The number of solar battery modules which can be arranged almost horizontally in a line in the determined arranging direction and within the arrangement range is calculated. Solar battery modules of a line in a number not more than the calculated number are combined to form a solar battery module group. The solar battery module groups are arranged to set a center of the solar battery module group within the determined arrangement range and near a line almost vertically dividing the surface into two parts. The above operations are repeated a number of times corresponding to the number of lines of solar battery module groups which can be vertically arranged in the determined arranging direction and within the arrangement range.

Solar battery module arranging method and solar battery module array

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 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

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.

Solar cell module, enclosure with solar cells, enclosure installation method, and solar cell system

A sunlight energy conversion apparatus comprises a photoelectric transducer comprising a non-single crystal semiconductor and means for supplying heat to the photoelectric transducer through a flowing heating medium.

Sunlight energy conversion apparatus, and air circulation system

A jacket material of electrical conductive leads for electrically connecting solar cell modules to each other is comprised of a polyvinyl chloride type resin containing either one of a polyester type plasticizer, a phosphoric acid ester type plasticizer, a fatty acid ester type plasticizer, and an epoxy type plasticizer, whereby the solar cell modules have excellent performance stability with less deterioration of the electrical conductive leads even when the electrical conductive leads are kept in contact with a base member such as an organic waterproof sheet over a long period.

Solar cell module and solar cell integrated cladding assembly

A terminal exposed from an edge of a solar cell module to extract power from a photovoltaic element, and a conductive member of a cable are electrically connected to each other. The solar cell module has at least photovoltaic elements and a cover member that covers the photovoltaic elements. This electrical connecting portion is located in a fixing member that fixes the cable and the solar cell module to each other. The long-term reliability of the terminal extraction portion is improved, and the solar cell module can be installed easily.

Growing community of inventors

Kyotanabe, Japan

Satoru Shiomi