Kazumasa Toya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A concentrator photovoltaic module according to one embodiment of the present disclosure includes: a case; a substrate disposed on a bottom surface of the case and having a plurality of stacked wiring layers; and concentrator photovoltaic elements disposed on the substrate and connected to the wiring layers. The concentrator photovoltaic elements connected to different wiring layers are connected to each other in parallel. According to the concentrator photovoltaic module according to the one embodiment of the present disclosure, output voltage can be decreased.
Abstract: A mounting structure for a photovoltaic module, the photovoltaic module including: a plurality of power generating elements; and a housing having a metal bottom plate on which the plurality of power generating elements are arrayed, and a resin side wall frame standing along an outer edge of the bottom plate, the mounting structure including: a support plate having a support face configured to be in contact with an outer face of the bottom plate to support the photovoltaic module; a washer to be disposed on one face which is an inner face of the bottom plate or a face, of the support plate, at a side opposite to the support face; and a rivet having a shank portion and a head, the shank portion being configured to be passed through the support plate and the bottom plate to be inserted into the washer, the head formed at one end portion of the shank portion, the rivet being configured to sandwich and fasten the support plate and the bottom plate between the washer and the head by an other end portion of the shan
Abstract: When upper-lower positional relationship on an optical path is defined such that the primary concentrating portion is at an upper position than the secondary concentrating portion, the secondary concentrating portion includes: a secondary lens provided above the power generating element; a lens supporting portion configured to support the secondary lens; and a shielding plate being a flat-plate-shaped member preventing sunlight to pass therethrough whereas allowing an upper portion of the secondary lens to be exposed from a hole formed in the flat-plate-shaped member, the shielding plate being fixed in a state of being mounted to the lens supporting portion, the shielding plate being configured to block light converging at a position outside the secondary lens.
Abstract: The secondary concentrating portion includes: a secondary lens provided above the power generating element; a lens supporting portion, which surrounds the power generating element and has the secondary lens mounted thereto, supports the secondary lens in a state where the secondary lens is disposed with a gap above the power generating element; a covering portion made of translucent resin for covering a surface of the secondary lens; and a sealing portion made of translucent resin for filling a space of the gap between the power generating element and the secondary lens in the lens supporting portion, and an upper end face of the lens supporting portion includes: an inner edge in contact with the secondary lens; and a resin receiving portion extending from the inner edge to an outer side without coming into contact with the secondary lens, the resin receiving portion receiving a lower end of the covering portion.
Abstract: A flexible printed circuit for concentrated photovoltaics includes: a conductive layer to which a power generating element is connected; an insulating layer having an insulating property; and a reinforcing layer for reinforcing the insulating layer, the conductive layer, the insulating layer, and the reinforcing layer being joined together in this order. In the flexible printed circuit, the reinforcing layer is formed of a material identical to that of the conductive layer.
Abstract: This photovoltaic system includes: a support portion; a photovoltaic panel supported by the support portion so as to be able to take an orientation at any angle in each of azimuth and elevation; a drive device configured to change the orientation of the photovoltaic panel; and a control device configured to cause, during power generation, the drive device to drive the photovoltaic panel such that sun light hits the photovoltaic panel, the control device configured to, when executing a cleaning mode, control the drive device such that the photovoltaic panel takes an orientation that facilitates removal of attached substance to a light receiving surface of the photovoltaic panel by use of at least one of natural phenomena including rain, wind, dew condensation, and gravity.
Abstract: This concentrator photovoltaic module 1M includes: a housing 11 having an open face 11a on one face thereof; a plurality of cells 21 provided in a form of an array on a bottom plate 14 of the housing 11; and a lens panel 13 being a concentrating member, being mounted on the housing 11 so as to cover the open face 11a, being disposed so as to face the bottom plate 14, and being composed of a plurality of Fresnel lenses 13f formed at positions corresponding to the cells 21 on respective optical axes of the Fresnel lenses 13f, the Fresnel lenses 13f each being a condenser lens for concentrating sunlight.
Abstract: A photovoltaic module includes: a flexible printed circuit; and a plurality of power generating elements mounted on the flexible printed circuit, wherein the flexible printed circuit includes a turning portion, and strip-shaped portions of the flexible printed circuit which are located on opposite sides of the turning portion are aligned so as to oppose each other.
Abstract: Mutual alignment between a condenser lens and its power generating element can be performed easily and accurately. This method for producing a concentrator photovoltaic unit includes: a first step of emitting linear laser beams respectively toward incident positions 42 on an incident surface 13f1; and a second step of performing positional adjustment between a Fresnel lens 13f and a power generating element part 21, based on positional relationship between the power generating element part 21 and beam images respectively formed by the linear laser beams at a time when the beam images and the power generating element part 21 are seen along an optical axis S from the incident surface 13f1 side of the Fresnel lens 13f.
Abstract: A concentrator photovoltaic module 1M includes a vessel-shaped housing 11 composed of a metal and a flexible printed wiring board 12 provided so as to be in contact with an inner surface of the housing 11. The flexible printed wiring board 12 includes an insulating layer 124, an insulating substrate 121a, a pattern 121b, a plurality of power generation elements 122, and an insulting layer 126. The insulating layer 124 is in contact with a bottom surface 11a of the housing 11. The insulating substrate 121a is provided on the insulating layer 124 and has flexibility. The pattern 121b is composed of a conductor and is provided on the insulating substrate 121a. The plurality of power generation elements 122 are mounted on the pattern 121b. The insulating layer 126 is provided so as to cover an entire surface of the pattern 121b except for portions where the power generation elements 122 are mounted.
Abstract: This power generation circuit unit includes a wiring substrate and a plurality of power generating elements mounted to the wiring substrate. The wiring substrate includes: a first substrate (32E) and a second substrate (32F) to each of which the power generating element is mounted; and a coupling portion (33L) configured to couple the first substrate (32E) and the second substrate (32F) together. The first substrate (32E) can be disposed at at least two positions of: a first position separated from the second substrate (32F) by a first distance; and a second position separated from the second substrate (32F) by a second distance being greater than the first distance. The coupling portion (33L) has an FPC (flexible printed circuits). In a state where the first substrate is disposed at the second position, at least a part of the coupling portion (33L) is twisted.
Abstract: This power generation module includes: a power generating portion (30) including a power generating element (19); and a wiring substrate. The wiring substrate includes: a reinforcement plate; and a flexible printed circuit (79) provided above the reinforcement plate. The flexible printed circuit (79) has: an FPC land portion (70) configured to have the power generating portion (30) mounted thereto; and a FPC wire portion (73) connected to the FPC land portion (70). The width of the FPC wire portion (73) is smaller than the width of the FPC land portion (70).
Abstract: This wiring module includes: a wiring substrate; a base portion at which the wiring substrate is placed; and an adhesive layer configured to adhere the wiring substrate to the base portion, wherein the wiring substrate includes: a land portion configured to have a power generating element mounted thereto; and a wire portion configured to be electrically connected to the power generating element, the adhesive layer has: a land adhesion region configured to adhere the land portion to the base portion; and a wire adhesion region configured to adhere the wire portion to the base portion, and a width of the wire adhesion region is smaller than a width of the land adhesion region.
Abstract: A wiring substrate is configured to have a power generating portion mounted thereto. The wiring substrate includes a land portion and a wire portion. The width of the wire portion is smaller than the width of the land portion.