Solar battery

FIELD: electricity.

SUBSTANCE: in the battery, the support panel consists of face and rear covers which are made of perforated resilient material and which are connected to each other by stiffening plates also made of resilient material; solar cells with an optically transparent protective plate and a protective plate on the back side pasted on each of them tc of the front side are glued to the front panel skin, the perforation windows are made and the stiffening plates are placed in accordance with the solar cells sizes with the step corresponding to the step of the arrangement solar cells. Holes in the walls of the stiffening plates are made for simplification and/or for the cabling inside the battery.

EFFECT: enhancement of specific performances due to the solar battery weight reduction, degradation decrease of the electrical characteristics during the process of exploitation, reducing the size of panels and packs of panels in the folded state.

1 dwg,1 ex



Same patents:

FIELD: physics.

SUBSTANCE: device for converting solar energy includes at least a pair of substrates, each in the form of a strip, wherein at least one of the strips is profiled with a periodically recurring profile which forms a trench-like cavity, and is configured to connect its front surface with the back surface of a second strip. The strips are made of a material which allows their profiling by bending. The strip which is profiled with a periodically recurring profile which forms a trench-like cavity is configured to connect its front surface with the back surface of the second strip and to form, through their profiles, at least one row of trenches and, through strips of one pair, a flexible device for converting solar energy. Profiles of at least one row of trenches are configured to form part of a circle, and/or part of a hyperbola, and/or part of a parabola, and/or trenches with a flat, convex or concave bottom and inclined diverging side walls, wherein all trenches have outward-directed sides on the periphery of the corresponding trench that are perpendicular or inclined relative to an imaginary plane on the edge of the corresponding trench of the first strip, wherein the trenches have on their working surface a photodetector layer and the sides of the trenches have on their surface a photodetector layer or a reflecting coating.

EFFECT: higher efficiency due to the high absorption coefficient of the photodetector layer owing to a larger number of rereflections of radiation from the photodetector layer inside a trench-like three-dimensional structure, reduced dependency of the absorption coefficient on the angle of incidence of solar radiation, simple manufacturing technology, low weight.

14 cl, 6 dwg

FIELD: electricity.

SUBSTANCE: clip connection (1) for fixing on guiding beams (8) of plate-like structural elements (13), in particular solar modules, consists of the support (2) having (1) a stop beam oriented in the longitudinal direction of the clip connection (4) with lateral wing-shaped bars (5, 6) with adjoining surfaces (10, 11) for structural elements (13), and also a toe provided on the lower side (7) for fastening of the support (2) on the beam (8) and also - of the clipping cover (3) with the longitudinal groove (9) covering the top part of the stop beam (4) and with clipping surfaces (13, 14) covering the support (2) adjoining surfaces (10, 11), and with the holding connection (25, 28, 29) for fixing of the clipping cover (3) on the support (2), and the beam (8) has the guiding grooves with the edges (34) protruding inside a groove, and the toe (7) designed as T-shaped one by its cross-piece (36) is inserted into the guiding groove and after 90 turn it is engaged behind protruding edges (34). The support (2) has the pass (24) along the centre of which the spring washer (31) is located which with the power closing takes the pressed, connected with the clipping cover (3) the holding pin (30) and thus fixes a clipping cover (3) on the support (2).

EFFECT: increase of durability.

26 cl, 8 dwg

FIELD: chemistry.

SUBSTANCE: invention relates to novel redox pairs for the application in dye-sensitised solar cells DSSC. The redox pairs are formed by the general formula (bipyridine derivative)nMe(Ion)m, where the bipyridine derivative is where R2, R3 is any substituent from the group methyl, ethyl, propyl, butyl, pentyl, hexyl, Me is a metal from the group Cr, Mo, Nd, Ni, Pd, Pt, Ir, Co, Rh, Cu, W, Mn, Ta, Fe, Ru, Ion - a counterion, is any of the group ClO4-, Cl-, I-, BF4-, PF6-, CF3SO3-, n, m correspond to the metal ion valence. The novel redox pairs (version) and an electrolyte for the application on DSSC are also claimed.

EFFECT: novel redox pairs are applied in DSSC and possess the lowest redox-levels for increasing the open circuit voltage.

3 cl, 1 dwg, 1 tbl, 3 ex

FIELD: physics.

SUBSTANCE: this module has protective glass coating and interconnected solar elements arranged between said glass and case with heat exchanger. Solar elements are electrically isolated from heat exchanger. Space between solar elements and heat exchanger and that between glass coating and heat exchanger are filled with the 0.5-5mm-deep ply of siloxane gel. Said protective glass coating is composed of evacuated glass stack of two glasses with vacuum gap of 0.1-0.2 mm with vacuum of 10-3-10-5 mm Hg. Heat exchanger is composed by sealed chamber with heat carrier circulation pipes. Total area of solar elements approximates to the area of heat exchanger case top base. Hybrid photoelectric module solar elements chains can be electrically connected in parallel by switching buses.

EFFECT: higher efficiency of solar energy conversion.

2 cl, 2 dwg

FIELD: physics.

SUBSTANCE: photovoltaic device containing a photovoltaic cell (60) with thin active layers (15) applied on the substrate (10). The named active layers are not segmented, and the static converter (50), connected with each photovoltaic cell (60). Each photovoltaic cell (60) outputs electrical power with a peak current (Icc) and rated voltage (Vp), and each static converter (50) is designed with a possibility of transmission of electrical power, outputted by a photovoltaic cell, to the load (100), decreasing the transmitted current and increasing the transmitted voltage. Meanwhile the active layers of photovoltaic cell cover more than 95% of the layer area, and the named photovoltaic cell is capable to produce a current achieving 150 A at a voltage rating below 1 V. Therefore, on one panel the laser segmentation of photovoltaic cells is limited and even completely eliminated.

EFFECT: increased productivity of manufacture of the photovoltaic device and minimizing the dead areas.

18 cl, 8 dwg

FIELD: measurement equipment.

SUBSTANCE: invention relates to methods and devices for measurement of angles in machine building, and also to devices of spacecraft navigation. The method to increase resolving capacity of measurement of angular coordinates of a glowing reference point by values of signals and serial numbers of photosensitive elements arranged symmetrically with the specified angular pitch relative to a certain axis, consists in increased speed of signal variation by the angle of the specified photosensitive elements. The multi-element receiver of optical radiation consists from at least three photosensitive elements arranged symmetrically with the specified angular pitch relative to a certain axis, at the same time photosensitive elements have devices that increase speed of their signal variation by the angle.

EFFECT: provision of the possibility to increase resolving capacity of measurement of an angular coordinate of a glowing reference point.

3 cl, 7 dwg, 1 tbl

FIELD: personal use articles.

SUBSTANCE: proposed in this invention are window louvers for collection of solar energy with adjustable position. Used in the window louvers is an ammeter sensor for determination of the dependence between sunlight light incidence angle and optimal positioning of the solar sensor. The dependence may be further used for adjustment of multiple solar cells position. Additionally, the window louvers contain a light sensor for determination of light intensity within the target region which may be additionally used for regulation of multiple solar cells position.

EFFECT: proposed louvers must ensure effective collection of solar energy.

9 cl, 4 dwg

FIELD: physics, photography.

SUBSTANCE: photovoltaic device includes: a set of at least two photovoltaic cells (160, 260), an intermediate sheet material (300) placed between each photovoltaic cell, each photovoltaic cell comprising: two current terminals (185, 185'), at least one photovoltaic junction (150, 250), a current-collecting bus (180, 180'), and connecting strips (190, 190') which extend from the current-collecting bus to the current terminals, all the current terminals being located on the same side.

EFFECT: photovoltaic device according to the invention enables to meet the need for a multiple-junction and multiple-terminal photovoltaic device, in which the risk of short-circuiting between current-collecting strips of each cell is minimised and in which control can be performed using only one junction box, and also meets the need for a method of making a multiple-junction photovoltaic device which facilitates connection of current terminals of each photovoltaic cell to a junction box.

26 cl, 14 dwg

FIELD: power engineering.

SUBSTANCE: solar battery module, where the following components are installed by-turn: the first solar element, comprising a substrate of the first type of conductivity, having a light-receiving surface and a non-light-receiving surface, and electrodes of mutually opposite polarity, accordingly shaped on the light-receiving and non-light-receiving surfaces, and the second solar element, containing the substrate of the second type of conductivity, having the light-receiving surface and the non-light-receiving surface and electrodes of mutually opposite polarity, accordingly shaped on the light-receiving and non-light-receiving surfaces, at the same time solar elements are adjusted during manufacturing so that the difference in the short circuit current density between the first and second solar elements makes up to 20%.

EFFECT: module of solar elements according to the invention has improved efficiency of conversion by increased density of solar elements arrangement in respect to area of a module of solar elements.

6 cl, 4 dwg

FIELD: physics.

SUBSTANCE: flexible photoelectric module consists of series-arranged bottom carrier film, bottom reinforcing layer, bottom fastening film, solar cells electrically connected to each other, top fastening film, top reinforcing layer and top carrier film, wherein the top and bottom carrier and fastening films are made of material which is transparent for sunlight. The reinforcing layers used are opaque perforated films made of anti-adhesive material, perforations of which are in form of regularly arranged square openings with size ranging from 0.8×0.8 mm to 10.0×10.0 mm, lying at a distance of 0.5-0.8 mm from each other.

EFFECT: providing reversible deformation of the plane of the photoelectric module simultaneously in two or more directions while reducing the weight and thickness of the module.

2 dwg

Solar battery // 2250536

FIELD: electrical engineering; electrical energy generation by solar-radiation-to-power conversion.

SUBSTANCE: proposed solar battery has panel with modules secured thereto by adhesive; these modules incorporate solar cells interconnected in series or in series-parallel with aid of switching buses. The latter are provided with thermomechanical expansion devices; shielding glass strip provided with flexible members of desired shape and size additionally glued to planar or curvilinear surface of frame is secured by means of adhesive to front surface of each solar cell. Inner space of flexible members is filled with sealing compound to form convex meniscus. Solar cells abut against flexible members and are fixed in position until sealing compound is fully polymerized. Switching buses with thermomechanical expansion devices, as well as shunting diodes are welded or soldered to rear contacts of solar cells in regions free from sealing compound. Thermomechanical expansion devices are disposed between rear end of solar cells and carrying surface of frame also in regions free from sealing compound. Solar battery is characterized in simplified design of switching system and in that battery mass is uniformly distributed over frame surface.

EFFECT: enhanced reliability, in-service stability of mechanical, thermomechanical and electrical characteristics, and reduced mass of solar battery.

1 cl, 3 dwg, 1 ex

Solar battery // 2257643

FIELD: electrical engineering; solar light-to-electrical energy conversion engineering.

SUBSTANCE: proposed solar battery has frame that may be made of carbon-filled plastic or any other materials of definite profile and is assembled of flat panels with uniformly disposed compartments accommodating modules; the latter have switching busses interconnected in series or in series-parallel and to thermal expansion bend of solar cells. These solar cells are attached to peripheral film substrate by means of rear glass plates. Substrate is made of reinforced film and has ribbon projections for securing module to frame. Built into ribbon projections are embedded parts in the form of conducting wire sections. Modules are secured to frame by means of threads fixed to embedded members. Adjacent solar cells are connected into electric circuit over module perimeter by connecting flexible switching buses to thermal expansion bend with embedded members.

EFFECT: facilitated manufacture and servicing, as well as enhanced operating reliability of solar battery.

1 cl, 2 dwg, 1 ex

FIELD: solar batteries using photoelectric converters for power generation.

SUBSTANCE: proposed solar battery module has photoelectric converters interconnected to form panel on transparent backing of nonmetal material and battery charge control device. Panel is secured on frame carrying rotary support on one end of its axis and rotary device with motor and extreme position locking sensor fixed in position on other end, as well as direct sun radiation sensor mounted on front end of panel, dissipated sun radiation, on rear end of panel, and storage battery. Optical axes of sensors are perpendicular to respective surfaces of panel and battery charge control device is provided, in addition, with peak load compensating device connected in parallel with battery and electrically connected to rotary device.

EFFECT: enhanced power output, facilitated installation, enhanced performance characteristics.

1 cl, 1 dwg

Solar power plant // 2280918

FIELD: power plants converting energy of sun rays to electrical energy.

SUBSTANCE: proposed solar power plant has vertical shaft with azimuth turn drive that mounts solar battery provided with automatic azimuth turn drive system on one side and system for automatic turn of power plant from west to east, on opposite side; solar battery has two parts separated by vertical partition; both parts are differentially connected to clapper relay coil in automatic turn drive system.

EFFECT: simplified design, reduced metal input, enhanced reliability, and reduced cost.

1 cl, 4 dwg

FIELD: optoelectronic devices including photoelectric solar modules.

SUBSTANCE: proposed section designed for assembling high-power (up to 150 W) composite solar module that incorporates provision for fast and reliable connection of adjacent panels with frame section (without additional finishing) is made of stiff material and has ribs symmetrically disposed relative to its vertical axis to form two opposite slots on respective sides to secure edges at adjacent panels with photoelectric converters and opposite slots to receive fastening members such as self-tapping screws.

EFFECT: facilitated assembly of solar modules, reduced consumption of sealing compound.

8 cl, 4 dwg

FIELD: off-line power supplies using solar energy.

SUBSTANCE: proposed solar module has two glass sheets tightly glued together at ends with interconnected photoelectric converters disposed in-between. Mentioned photoelectric converters are immersed in optically transparent silicone liquid which is essentially mixture of polysiloxane incorporating dimethyl- and/or diethyl-vinyl siloxane monomeric units, platinum catalyst, and cross-linking agent; in the course of module production it forms slightly cross-linked gel. Interconnected photoelectric converters and their current leads are disposed between two glass sheets glued together on three sides by means of any adhesive, whereupon assembled stack is filled with optically transparent liquid which is essentially mixture of polysiloxane incorporating dimethyl- and/or diethyl-vinyl siloxane monomeric units, platinum catalyst, and cross-linking agent and is transformed into low-module gel by heating to 50-150 °C. Proposed module is characterized in high stability at poor tightness of its interior and its filler material is noted for improved linkage with glass surface while maintaining specified level and long-time stability of optical characteristics.

EFFECT: facilitated manufacture and reduced cost.

4 cl, 1 dwg, 2 ex

FIELD: solar-electric power supplies; modular solar-electric generators for space vehicles.

SUBSTANCE: proposed solar generator module has at least one cellular-structure panel 1 incorporating front face sheet, rear face sheet, and cellular lattice in-between. Front sheet mounts alternating rows of solar cells 2 and wedge-shaped reflectors 3. The latter may be of developable type, for instance made of thin film stretched on stiff frame which do not cover solar cells 2 in folded condition. One of generator-module design alternates may have additional cellular-structure lattice attached to rear face sheet. At least one of face sheets is made of polymer incorporating high-heat-conductivity threads positioned in average perpendicular to longitudinal axis of rows of solar cells 2. Module may incorporate at least two hinged cellular panels folded along hinge whose reflectors 3, for instance non-developable ones, are alternating in folded condition without contacting each other. Panel mechanical design affords maintenance of uniform sun radiation distribution among all cells of generator module at small deviations from sun rays. Reflectors may be covered with aluminum layer or better silver one applied by vacuum evaporation and incorporating additional shield.

EFFECT: reduced space requirement, enhanced strength and stiffness of generator panel, reduced mass of passive structure, improved heat transfer from working components of panel.

17 cl, 16 dwg

FIELD: solar power engineering; solar-electric power plants for direct solar-to-electric energy conversion.

SUBSTANCE: proposed method depends on reception of direct radiation from object by solar panels in-line disposed on base and radiation re-reflected from interline pairs of flat oblique reflectors at the same time optimizing electromagnetic radiation reception conditions while object is moving; this optimization is effected when base is motionless by synchronously reducing/enhancing angle of inclination of solar panels of first like planar reflectors in each interline pair to receiving plane at the same time synchronously enhancing/reducing mentioned angles of inclination of second like planar reflectors in each interline pair. In addition, angles of inclination of like planar reflectors in each pair are enhanced/reduced by reducing/enhancing width of its first like planar reflectors at the same time enhancing/reducing width of its second like planar reflectors with total width of first and second like planar reflectors in each interline pair being retained. Device for electromagnetic radiation conversion and method for mounting oblique reflectors incorporated in this device are given in invention specification.

EFFECT: enhanced efficiency of solar-to-electric energy conversion by minimizing electric energy loss in monitoring electromagnetic radiation source.

14 cl, 11 dwg

Solar battery // 2293398

FIELD: electrical engineering; solar-to-electric energy conversion primarily for space engineering.

SUBSTANCE: proposed solar battery has flat tubular frame with regularly disposed locations accommodating modules of solar cells whose magnetic torque is close to zero; these cells can be GaAs/Ge based and have optically transparent shielding plate on face end and shielding plate on rear end. They are interconnected into series or parallel circuits by means of conducting buses. Strings are fixed on face end of frame. Shielding plates installed on rear end are made of radiation-resistant foiled material in the form of boards whose metal-plating layer incorporates current-conducting pads and tracks. Each solar cell has current leads made in the form of buses connected to current-conducting pads of boards. Conducting buses interconnecting solar cells function to connect conducting pads of boards in adjacent solar cells; the latter are installed within module in tandem and are mechanically joined together by means of longitudinal flexible members adhered to rear plates and spaced apart through distance equal to that between their parallel strings; solar cells installed in parallel circuits of module are joined together to form minimal gaps by means of flat flexible clips. Module is fixed to strings by means of thread or wire.

EFFECT: reduced size, enhanced mechanical endurance and power capacity, simplified design, facilitated manufacture and maintenance, minimized in-process loss.

3 cl, 3 dwg

Solar battery // 2297076

FIELD: electrical engineering; solar batteries for solar-to-electrical energy conversion.

SUBSTANCE: proposed solar battery has frame with uniformly disposed locations and tightened net sheet in the form of orthogonally disposed strings and modules stitched to them. Modules have solar cells interconnected by means of conducting buses to form electric circuit and assembled into cell blocks. Each cell block may have two or more cells protected by means of single transparent plate attached to their rear and face sides, respectively. Solar cells are physically integrated within module by means of perforated film substrate inserted between rear plates and solar cells and attached to frame by stitching them at intersection points of their orthogonally disposed strings; the latter are spaced apart on frame through distance which is a multiple of geometric dimensions of cell blocks.

EFFECT: enhanced specific power, reduced mass, and facilitated assembly of solar battery.

1 cl, 1 dwg