6results about How to "Reduce hot spot effect" patented technology

The present invention discloses a BIPV shingled assembly, including a power generation component, the power generation component includes a plurality of tower shingled modules, each tower shingled module includes a plurality of shingled units, the shingled unit includes a plurality of cells, the plurality of cells are arranged to form a plurality of rows of cell groups, the upper and lower adjacent cell groups are partially stacked; each row of cell groups includes at least one cell, and in a single shingled unit, the lengths of at least two rows of cell groups are unequal. The present invention applies shingling technology to BIPV components, and by designing the structure and arrangement of shingled cells, the BIPV shingled components have a larger light-transmitting area, thereby improving the light transmittance of the photovoltaic components. At the same time, the shingled structure has the effects of high output power, small hot spot effect, and flexible bonding that is not easy to break in the BIPV component, providing a new direction for the application of the shingled structure.

The utility model provides a building integrated photovoltaics (BIPV) assembly applied under an eave and a hot spot prevention circuit. The BIPV assembly is arranged below a preset eave. Comprising a panel which is equally divided into a preset number of power generation areas along the parallel direction of a preset eave; the preset number of BIPV units are arranged, each BIPV unit is arranged in a power generation area in the parallel direction and comprises a plurality of series-connected group strings, and the group strings can generate electric energy when not shielded by a preset eave; and a plurality of maintaining units, each group string is connected in parallel with at least one maintaining unit, and if any group string in the BIPV unit is shielded by a preset eave, the maintaining unit connected with the shielded group string maintains the unshielded group string to be conducted. Through the design of equally dividing the power generation area and the maintaining unit, local temperature rise caused by partial shielding can be reduced, and therefore the temperature of the whole assembly is reduced.

The utility model discloses a packaging frame and a photovoltaic assembly. The packaging frame comprises a frame body and a limiting piece, the frame body is provided with a corner connector cavity used for being connected with a corner connector in an embedded mode, the edge of one side of the limiting piece is connected to the outer surface of one side wall of the frame body, and an installation area used for installing a solar cell is formed between the limiting piece and the outer surface of the side wall of the frame body. The surface, facing the installation area, of the limiting piece forms an abutting face, the side, away from the frame body, of the abutting face is provided with an abutting part extending towards the installation area, and the end face, away from the frame body, of the abutting part is provided with a sawtooth-shaped structure which can be meshed with pressing block sawteeth of the negative pressure pressing block. The outer surface of the frame body in the mounting area forms a bearing surface. The packaging frame is good in load and frame-mounting glue overflowing effect, the dust deposition effect of the photovoltaic module can be reduced, the generating capacity is improved, and meanwhile the hot spot effect can be reduced.

The utility model provides a kind of photovoltaic module and photovoltaic system, it is related to solar energy technical field, and the power of photovoltaic module can be improved.The photovoltaic module includes: cell array, including multiple photovoltaic cells;Front plate, located the light side of cell array, the size of front plate is greater than or equal to the size of cell array, first edge is the edge of the front plate close to the edge frame uncovered area, second edge is the edge of cell array close to first edge, first edge is any one edge of front plate, the distance between first edge and second edge is less than first length;Identification code, located the side of front plate close to cell array, the orthographic projection of identification code and the orthographic projection of at least one target photovoltaic cell in multiple photovoltaic cells overlap, first length is the length of identification code in the direction of first edge pointing to second edge.

The present invention discloses a main beam and its application and a photovoltaic tracking bracket, wherein the main beam includes: a flat plate and an elliptical arc plate, the two ends of the flat plate are respectively fixedly connected to the corresponding ends of the elliptical arc plate to form a ring, and the plane where the flat plate is located is perpendicular to the long axis of the ellipse where the elliptical arc plate is located. At the same time, the application of the main beam in the photovoltaic tracking bracket is provided. The photovoltaic tracking bracket includes a main beam, and also includes: a column; a bearing seat, which includes a bearing ring, a Z-shaped support plate and a bottom plate connected in sequence, and the cross-sectional shape of the Z-shaped support plate is Z-shaped, the main beam is installed in the bearing ring, and the flat plate of the main beam is facing the photovoltaic module, and the bottom plate is connected to the column. Under the premise of ensuring the same thickness, the main beam of the present invention has an improved transverse section resistance moment and saves costs. It is applied to the photovoltaic tracking bracket to reduce the hot spot effect of the double-sided photovoltaic module and extend the life of the double-sided photovoltaic module.

The present invention discloses a wide-temperature-range highly insulating rubber composite material for extreme environments and the prepared wide-temperature-range highly insulating rubber composite material, which relates to the technical field of rubber composite materials and aims to solve the technical problem of heat accumulation caused by poor thermal conductivity of fillers in silicone rubber-based composite materials. In the present invention, surface-hydroxylated modified boron nitride nanosheets are used to replace traditional fumed silica. The boron nitride nanosheets themselves are two-dimensional nanomaterials that combine excellent insulation, extremely high thermal conductivity, and good mechanical strength, thus solving the problem of heat accumulation caused by poor thermal conductivity of fillers in silicone rubber-based composite materials.