Solar cell module and method for installing same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-031/00
H02N-006/00
출원번호
UP-0312839
(2005-12-21)
등록번호
US-7795527
(2010-10-04)
우선권정보
JP-2004-370312(2004-12-22)
발명자
/ 주소
Wada, Takehito
출원인 / 주소
Fuji Electric Systems Co., Ltd.
대리인 / 주소
Rabin & Berdo, P.C.
인용정보
피인용 횟수 :
2인용 특허 :
1
초록▼
A solar cell module includes photoelectric converters, and resin surface covering materials covering the light-incident side of photoelectric converters, trenches being formed in the surface covering materials. The trenches extend approximately in parallel to the horizontal plane for a certain lengt
A solar cell module includes photoelectric converters, and resin surface covering materials covering the light-incident side of photoelectric converters, trenches being formed in the surface covering materials. The trenches extend approximately in parallel to the horizontal plane for a certain length, and in parallel to each other, so as to facilitate, in repairing the damage therein, improving the adhesiveness between the module surface and the bonding portion of a repair material so as to prevent water and contamination from getting into the bonding portion, prevent the solar cell module properties from deteriorating, prevent any ground fault through the water, and prevent the repair material from peeling.
대표청구항▼
What is claimed is: 1. A solar cell module, comprising: a base board having a bottom surface and a top surface, the bottom surface being flat; a photoelectric converter on the base board and including a lower surface facing the top surface of the base board and a light-incident side surface; a surf
What is claimed is: 1. A solar cell module, comprising: a base board having a bottom surface and a top surface, the bottom surface being flat; a photoelectric converter on the base board and including a lower surface facing the top surface of the base board and a light-incident side surface; a surface covering material that covers the light-incident side surface of the photoelectric converter, the surface covering material having a bottom surface contacting the photoelectric converter and a top surface opposite to the bottom surface, the top surface being shaped to form trenches and projected portions, each projected portion being disposed between two adjacent trenches, each trench having a trench bottom and trench sides, a distance from the bottom surface to the projected portions of the top surface being greater than a distance from the bottom surface to the trench bottom; wherein, when the solar cell module is mounted to a surface that is tilted to a horizontal plane, each trench extends in a single direction that is approximately in parallel to the horizontal plane, wherein the trenches are arranged approximately in parallel to each other in the light-incident side surface, wherein each trench, taken from a plan view of the solar cell module having a first edge and a second edge opposite to the first edge, extends from a region adjacent to the first edge to a region adjacent to the opposite second edge without discontinuity, wherein each projected portion, taken from a plan view of the solar cell module, extends from the first edge to the opposite second edge without discontinuity between two adjacent trenches, and wherein each trench, taken from the plan view of the solar cell module, includes narrow sections and wide sections, the narrow sections having a width narrower than a width of the wide sections in a direction perpendicular to said single direction, the narrow sections and the wide sections being arranged alternately in said single direction. 2. The solar cell module according to claim 1, wherein the trenches have a certain width in a horizontal direction thereof. 3. A method for installing a solar cell module including a base board having a bottom surface and a top surface, a photoelectric converter on the base board and having a light-incident side surface and a surface covering material that covers the light-incident side surface of the photoelectric converter, the surface covering material having a bottom surface contacting the photoelectric converter and a top surface opposite to the bottom surface, the method comprising the steps of: forming trenches of predetermined length in the surface covering material, such that the top surface is shaped to form the trenches and projected portions, each projected portion being disposed between two adjacent trenches, each trench has a trench bottom and trench sides, and a distance from the bottom surface to the projected portions of the top surface is greater than a distance from the bottom surface to the trench bottom, wherein, taken from a plan view of the solar cell module having a first edge and a second edge opposite to the first edge, each trench extends from a region adjacent to the first edge to a region adjacent to the opposite second edge without discontinuity, and each projected portion extends from the first edge to the opposite second edge without discontinuity between two adjacent trenches; and mounting the solar cell module on a surface that is tilted to a horizontal plane, such that each trench extends in a single direction that is approximately in parallel to the horizontal plane and the trenches extend in parallel to each other, wherein the bottom surface of the base board is flat and disposed on the tilted surface, and wherein each trench, taken from the plan view of the solar cell module, includes narrow sections and wide sections, the narrow sections having a width narrower than a width of the wide sections in a direction perpendicular to said single direction, the narrow sections and the wide sections being arranged alternately in said single direction. 4. The method according to claim 3, wherein the solar cell module is mounted on the tilted surface such that the solar cell module is tilted with respect to the horizontal plane at a tilt angle. 5. The method according to claim 4, wherein the tilt angle is an angle at which solar light enters the solar cell module perpendicularly to the light-incident side surface. 6. The method according to claim 3, wherein: the tilted surface is tilted to the horizontal plane at a tilt angle, the light-incident side surface being disposed in parallel to the tilted surface, the light-incident side surface being tilted to the horizontal plane in a first direction; and the solar cell module is mounted on the tilted surface, such that the single direction is perpendicular to the first direction. 7. The method according to claim 6, wherein the tilt angle is an angle at which solar light enters the solar cell module perpendicularly to the mounting plane. 8. A solar cell device, comprising: a module supporting element including a mounting plane tilted to a horizontal plane at an tilt angle; and a solar cell module including: a base board having a bottom surface and a top surface, the bottom surface being flat; a photoelectric converter on the base board and including a lower surface and a light-incident side surface, the lower surface facing the top surface of the base board, the light-incident side surface being parallel to the mounting plane and being tilted to the horizontal plane; and a surface covering material that covers the light-incident side surface of the photoelectric converter, the surface covering material having a bottom surface contacting the photoelectric converter and a top surface opposite to the bottom surface, the top surface being shaped to form trenches and projected portions, each projected portion being disposed between two adjacent trenches, each trench having a trench bottom and trench sides, a distance from the bottom surface to the projected portions of the top surface being greater than a distance from the bottom surface to the trench bottom, wherein, taken from a plan view of the solar cell module having a first edge and a second edge opposite to the first edge, each trench extends from a region adjacent to the first edge to a region adjacent to the opposite second edge without discontinuity, and each projected portion extends from the first edge to the opposite second edge without discontinuity between two adjacent trenches, wherein, the solar cell module is mounted to the mounting plane tilted to the horizontal plane, with the flat bottom surface of the base board being disposed on the mounting plane, and each trench extends in a single direction that is parallel to the horizontal plane and the trenches extend in parallel to each other, and wherein each trench, taken from the plan view of the solar cell module, includes narrow sections and wide sections, the narrow sections having a width narrower than a width of the wide sections in a direction perpendicular to said single direction, the narrow sections and the wide sections being arranged alternately in said single direction. 9. The solar cell device according to claim 8, wherein the light-incident side surface is tilted to the horizontal plane in a first direction at the tilt angle, and the single direction is perpendicular to the first direction. 10. The solar cell device according to claim 9, wherein the tilt angle is an angle at which solar light enters the solar cell module perpendicularly to the light-incident side surface. 11. The solar cell module according to claim 1, wherein all of two adjacent trenches are spaced apart from each other in the direction perpendicular to said single direction, such that the wide sections and narrow sections, taken from the plan view of the solar cell module, are arranged alternately in the direction perpendicular to said single direction.
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