Solar energy tracking concentrator

FIELD: physics.

SUBSTANCE: invention relates to the solar energy tracking concentrator, which comprises: a tracking means in the direction from east to west to track the sun movement from east to west, located on the base top, a bearing mounted vertically on the tracking means in the direction from east to west, a parabolic concentrator type system located so that its shaft is supported by the bearing, and having the second parabolic concentrator located at a short distance behind the focal point of the first parabolic concentrator having a large area, so that the high density light is concentrated in the center of the first parabolic concentrator, a height tracking means located on the bearing, so that the parabolic concentrator type system tracks the sun height. The concentrator further comprises a prism body located so as to be behind the hole for the light passage in the center of the first parabolic concentrator, and so as to be moved around the axis by the motor driving force to track the height, and a light directing means connecting the straight prism of the full internal reflection with the prism body.

EFFECT: said light directing means rotate half the rotation angle of the height tracking means, whereby the high density light is always directed and comes to the same place.

2 cl, 6 dwg

 



 

Same patents:

FIELD: power engineering.

SUBSTANCE: invention relates to the field of solar technology, namely, to driving devices for solar unit alignment, and may be used to align any collector of beam energy radiated by a moved source of thermal radiation. In the solar unit alignment device comprising a base with a support stand, an alignment frame, an alignment drive of a system of azimuthal tracking, according to the invention, the alignment device is equipped with sprockets, over which two closed chains are thrown, which cover two additional spaced sprockets, and sprockets themselves are installed on vertical shafts as capable of rotation.

EFFECT: invention is aimed at achievement of more efficient operation under intense cloudiness.

5 dwg

FIELD: power industry.

SUBSTANCE: method for obtaining heat and electrical energy includes focusing of the sun rays by concentrator on the fixed heat-absorbing surface, and further focus movement over it in accordance with sun movement, the heating medium heating through the heat-absorbing surface, and transformation of the obtained heat energy in the electric energy. The concave mirror is used as concentrator, the mirror is moved by sun tracking, at that the heat-absorbing surface is arranged at crossing of the vertical and horizontal axes, around which the concentrator is rotated during tracking. For the concentrator rotation relatively the vertical axis the first motor is started, as result the worn screw 5 starts rotation and turning of the tooth-wheel 2 together with platform 1. When the concentrator achieves the required position (azimuth), the first motor shutdowns. For the concentrator rotation around the horizontal axis the second motor is started, resulting in rotation of the shaft 14 with worn screw 13, that by means of the tooth-wheel 12 and connected with its worn screw 10 the gear sector 9 with axle 6 and wheel 7 rotates. At that by means of the chain-drive 8 the driven wheel 15 with horizontal axles 17 and concentrator is rotated to the required position, then it is locked by the motor shutdown. At that on the bottom part of the heat-absorbing surface of the sphere 19 a light spot of the concentrated sun rays is created, the spot moves over this surface during the sun tracking during day time.

EFFECT: increased stability of the energy sources parameters, increased efficiency, improved operation characteristics.

10 cl, 3 dwg

Solar power plant // 2548244

FIELD: power industry.

SUBSTANCE: invention relates to solar power engineering, namely to designs of solar power plants with a Sun tracking photoelectric sensor and systems of azimuthal and zenithal turns of the plane of the solar power plant. The power plant includes a solar energy receiving plane, a control system of drives of azimuthal and zenithal turns of the plane and its turn from west to east, shafts of drives and a Sun tracking system. The tracking system includes two photovoltaic modules fixed on an external platform that is installed parallel to the plane of the power plant, which receives solar energy. The first photovoltaic module represents a sensor of the Sun position as to azimuth, in the design of which there arranged are two Sun tracking photocells and a command photocell of the turn of the plane of the solar power plant, which receives solar energy, from west to east. The second photovoltaic module represents a sensor of the Sun position as to zenith, which includes two Sun tracking photocells. The design of each photovoltaic module includes a mounting platform, on the upper side of which two photocells are arranged, which are separated with a partition wall serving in its turn as a divider of illumination directions of the latter and a support for attachment of a mirror cylinder. The command photocell of the turn of the power plant plane from west to east is located on the lower side of the mounting platform of the photovoltaic module tracking the Sun position as to azimuth.

EFFECT: use of this invention provides for high tracking accuracy as to azimuth and zenith of the Sun position and improved operating reliability of a power plant.

3 dwg

FIELD: power industry.

SUBSTANCE: invention relates to solar engineering, namely to drive devices for orientation of a solar plant and can be used for orientation of any beam energy collector irradiated with a movable source of heat radiation. In the solar plant orientation device containing a base with a supporting post, which includes a frame of the solar plant, an orientation drive, an azimuthal tracking system, according to the invention, the frame is additionally provided with front and rear controlled screens with drives, which are installed perpendicular to its plane, wind sensors, which are connected to the sensor drives through a control system.

EFFECT: invention allows saving energy of an accumulator and using free wind energy for rotation of an orientation device.

3 dwg

FIELD: heating.

SUBSTANCE: invention relates to solar heating plants and can be used for heat supply to residential and production areas and other facilities as well as for other domestic and process needs. The collector is equipped by a resilient panel serving as an absorber and providing for excessive pressure in the closed cavity at its deformation, as in a diaphragm pump. The panel deformation in cyclic mode is performed by heat-sensitive elements which are heated by solar radiation. Such design of the collector with a valve system provides for the circulation of heat carrier in the solar heat supply system without electrodriven superchargers even at the most common installation of the collector above the facilities to be supplied with heat. Additionally the collector-supercharger is fitted by an energy-independent device for self-guidance by the radiation source in the form of, for example, a heat-sensitive three-layer plate perceiving the solar radiation and kinematically coupled with a rotary collector base.

EFFECT: solar self-guided collector-supercharger provides for efficient conversion of solar energy in almost any conditions of its usage without the application of known electrodriven systems for heat carrier supply and position control systems of solar collectors.

2 cl, 5 dwg

FIELD: power engineering.

SUBSTANCE: device for orientation of a solar energy receiver comprises a mechanism of orientation by zenith and a mechanism of orientation by azimuth, comprising a reservoir with a working liquid, according to the solution the reservoir is made as cylindrical and is equipped with an azimuthal guide block, representing at least one helical slot, made on the inner surface of the reservoir, the mechanism of orientation by azimuth comprises a shaft with splints, arranged along the axis of symmetry of the reservoir, a float fixed on the slot as capable of movement along splints, a bellows with permanent difference of levels of inlet and outlet holes, fixed on the float, at the same time the inlet hole is submerged into a working fluid, and the outlet hole is removed outside the limits of the reservoir, on the side surface of the float there is at least one cross beam of the azimuthal guide block fixed with a roller at the end, arranged in the helical slot of the reservoir; the device additionally comprises a mechanism of orientation by zenith, comprises a stem kinematically connected with the shaft, a pusher made as capable of reciprocal movement, at the same time the ends of the stem and the pusher are connected hingedly with a receiver of solar energy.

EFFECT: increased reliability of a device due to simplified design and accuracy of orientation of a solar collector to the Sun due to usage of a bellows clock mechanism providing for smooth even rotation.

2 cl, 8 dwg

FIELD: power engineering.

SUBSTANCE: solar collector comprises a drive 1, for instance, a clock mechanism, a gear 2, an annular circuit 3, a lever 4, a concentrator 5 with an axis of rotation 6, a base 7 and a radiation receiver 8. The gear 2, rigidly fixed on the shaft of the drive 1, may move along the outer and inner arcs of the circuit 3 in forward and return directions. This provides for rotation of the concentrator 5 via a sliding joint of the drive 1 with the lever 4, the other end of which is rigidly connected to the concentrator 5, the axis of which 6 is fixed on the base 7. Time of gear 2 movement along the quarter of the circle of the outer arc of the circuit 3 makes 12 hours. For this time the concentrator 5 rotates by 90. It makes it possible during daytime to continuously forwarded sun rays reflected with the concentrator 5 to a fixed receiver of radiation 8. Circuit configuration is designed so that in case of forward and return travel of the gear 2 the number of rotations is identical, which provides for automatic operation of the solar collector.

EFFECT: simplified design and expanded functional capabilities due to provision of forward and return travel of a concentrator according to a single-stage circuit.

4 dwg

FIELD: power engineering.

SUBSTANCE: photovoltaic plant Sun tracking system comprises a subsystem of azimuthal rotation (1) and a subsystem of zenithal rotation (2). The first drive via the first reducer rotates a spatial frame (10), where solar modules are installed, in azimuthal direction with the transmission ratio Iaz and simultaneously rotates the third reducer with the transmission ratio Iaz. On the driven gear of the third reducer there are two cams fixed, which interact with limit switches of the first drive. The second drive via the first reducer rotates the spatial frame (10) in zenithal direction with the transmission ratio Izen and simultaneously rotates the fourth reducer with the transmission ratio Izen. On the driven gear of the fourth reducer there are two cams fixed, which interact with limit switches of the second drive. Transmission ratios Iaz, Izen, Iaz and Izen meet certain ratios. The Sun tracking system does not require seasonal reconfiguration of limiters of limit angles of photovoltaic plant rotation, regardless of its geographic location on the planet.

EFFECT: system improvement.

3 cl, 3 dwg

FIELD: physics.

SUBSTANCE: apparatus for automatic sun tracking using a receiving panel behind the sun has a stand on which is mounted a vertical shaft having a revolving frame rigidly mounted on it for azimuthal movement, a receiving panel, a gearmotor, a sun orientation detector with an automatic control unit which connects the electric motor to an accumulator battery. In the middle part, the receiving panel is pivotally connected to the revolving frame with possibility of movement thereof in the vertical plane relative the revolving frame, wherein between the lower part of the receiving panel and the lower part of the stand there is a rod whose length can be varied depending on the date, the rod being mounted by hinges at its outermost points which enables corresponding change in the zenithal position of the receiving panel during azimuthal movement of the revolving frame during daylight.

EFFECT: providing maximum level of illumination of an object mounted on the receiving panel of the apparatus during the tracking process, and enabling monitoring using one electric motor, tracking is carried out automatically using a kinematic scheme whose components are meant for the presumed latitude of the place where the apparatus is used.

5 dwg

FIELD: physics.

SUBSTANCE: solar concentrator photoelectric apparatus has concentrator photoelectric modules (2) mounted on a mechanical system, azimuthal and zenithal drives located in an electromechanical box and a system for alignment of the concentrator photoelectric modules (2) towards the sun with a solar sensor. The mechanical system is formed by a base frame (3) and at least two suspended frames (4). The base frame (3) is adapted to turn about the vertical axis on a base ring (1) through wheels (5). Two wheels (5) are provided with sections of a roller chain which are engaged with toothed gears mounted on faces of two horizontal oppositely rotating output shafts (8) of the bevel gear speed reducer of the azimuthal electric drive mounted on the base frame (3). Each suspended frame (4) with concentrator photoelectric modules (2) is mounted to a horizontal pipe which is adapted to rotate on supports mounted to the base frame (3) and is pivotally connected by levers and bars to neighbouring suspended frames (4). One of the suspended frames (4) is provided with two vertical circular sectors separated on sides, circular surfaces of said sectors being attached to sections of the roller chain which are engaged with the toothed gears mounted on the horizontal shaft of the reducer of the zenithal electric drive mounted on the base frame (3). The distance L between the horizontal pipes of neighbouring suspended frames (4) satisfies a certain relationship.

EFFECT: high unit power of the photoelectric apparatus while keeping a sufficiently simple design.

7 dwg

FIELD: heating.

SUBSTANCE: solar heat and cold supply system includes a southern air pipeline made from material that absorbs solar radiation and a northern air pipeline, which are both located on the corresponding sides of the building, a thermal accumulator forming together with the building floor and under-floor air pipeline interconnected with the southern air pipeline, as well as heat exchange and soil air pipelines located one above another under the thermal accumulator, the second one of which is provided with soil heat-conducting pipes; with that, in the thermal accumulator there arranged is a vortex tube; outlets of the under-floor and soil air pipelines are connected to a cold channel of the vortex tube; with that, the southern and the northern air pipelines are connected to atmosphere, and the heat exchanger is connected to the room, as well as the southern air pipeline is provided with a convergent nozzle that is installed outside the room and includes a swirler consisting of four plates; with that, at the inlet opening of the convergent nozzle on the inner surface there is a circular groove connected to a contamination removal device.

EFFECT: reduction of power consumption to a drive of a forced draft fan by cleaning of sucked atmospheric air from drop-shaped and solid particles.

2 dwg

FIELD: power industry.

SUBSTANCE: method for obtaining heat and electrical energy includes focusing of the sun rays by concentrator on the fixed heat-absorbing surface, and further focus movement over it in accordance with sun movement, the heating medium heating through the heat-absorbing surface, and transformation of the obtained heat energy in the electric energy. The concave mirror is used as concentrator, the mirror is moved by sun tracking, at that the heat-absorbing surface is arranged at crossing of the vertical and horizontal axes, around which the concentrator is rotated during tracking. For the concentrator rotation relatively the vertical axis the first motor is started, as result the worn screw 5 starts rotation and turning of the tooth-wheel 2 together with platform 1. When the concentrator achieves the required position (azimuth), the first motor shutdowns. For the concentrator rotation around the horizontal axis the second motor is started, resulting in rotation of the shaft 14 with worn screw 13, that by means of the tooth-wheel 12 and connected with its worn screw 10 the gear sector 9 with axle 6 and wheel 7 rotates. At that by means of the chain-drive 8 the driven wheel 15 with horizontal axles 17 and concentrator is rotated to the required position, then it is locked by the motor shutdown. At that on the bottom part of the heat-absorbing surface of the sphere 19 a light spot of the concentrated sun rays is created, the spot moves over this surface during the sun tracking during day time.

EFFECT: increased stability of the energy sources parameters, increased efficiency, improved operation characteristics.

10 cl, 3 dwg

FIELD: heating.

SUBSTANCE: device for implementation of the method includes heater-evaporator 1 with heat exchange ribs 2, airlift 3, condenser 4, ejector 5, energy converter 6, and branch pipe 7. Liquid 8 circulates inside the device.

EFFECT: simpler implementation of the method and the design; improved reliability, durability, ecological and economical properties; enlarged field of application.

14 cl, 2 dwg

FIELD: heating.

SUBSTANCE: system of solar heat and cold supply and quality air exchange in buildings includes a southern air pipeline made from material absorbing solar radiation and a northern air pipeline, which are located on the corresponding sides of a building, a thermal accumulator forming together with the building floor an underground air pipeline interconnected with the southern air pipeline, as well as heat exchange and ground air pipelines, which are located under the thermal accumulator one above another, the first one of which is interconnected with the northern air pipeline, and the second one is provided with ground heat-conducting pipes; with that, the system is provided with a vortex pipe arranged in the thermal accumulator, and the heat exchange air pipeline is provided with a suction filter that is installed in a room and made in the form of an inside air cleaning assembly, consists of a diffuser with longitudinally arranged screw-shaped grooves entering an annular groove connected to a contamination collector, in which a dehydrating device in the form of a tank with an adsorbing substance is arranged.

EFFECT: invention shall provide for cleaning of exit air and elimination of scents specific for cattle farms.

3 dwg

FIELD: electricity.

SUBSTANCE: system of electric power generation from sun energy, using biofuel boiler (6) as additional heat source, includes concentrating sun collector, biofuel boiler (6), turbine generator. Concentrating sun collector utilises water as work medium and medium-pressure sun collector tubes (13) combined in a serial and parallel matrix, concentrating sun collector output is connected to the base of drum (6a) of biofuel boiler (6) via second control valve (22), and steam output of biofuel boiler drum (6a) is connected to cylinder (3) of the turbine generator (1). Such system utilises sun energy and heat source of biofuel boiler selectively, depending on weather conditions. Additionally the invention claims method of electric power generation using the system.

EFFECT: stable operation enhancing operation efficiency.

12 cl, 4 dwg

FIELD: heating.

SUBSTANCE: invention is intended to maintain comfortable air parameters in low buildings, mainly in cattle farms. Solar heat and cold supply system includes south air duct made of material absorbing solar radiation and north air duct, located at respective building sides, heat collector, together with the building floor forming a subfloor air duct connected to the south air duct, and heat exchange and underground air ducts positioned one over the other below the heat collector, where heat exchange air duct is connected to the north air duct, and underground air duct is equipped with underground heat transfer pipes; the system features a vortex tube in the heat collector, vortex tube input connected to subfloor air duct, cold channel connected to transfer piece, and hot channel connected via heat collector to underground air duct; subfloor and underground air duct outputs are connected to cold channel of vortex tube where a filter is installed downstream of air duct connection point; south and north air ducts are opened to ambient air, and heat exchange air duct is opened to indoor space; special feature of the system is the underground air duct made of composite material including metal base, heat insulation and heat accumulation thin-fibre basalt and waterproof layer, where thin-fibre basalt is stretched lengthwise along underground air duct and attached between metal base and waterproof layer.

EFFECT: prevention of heat loss during long-term operation in variable temperature and humidity conditions of ground, affecting elements of solar heat and cold supply system by implementation of underground pipeline out of composite material with fixated thin-fibre basalt stretched lengthwise between metal base and waterproof layer.

2 dwg

FIELD: electricity.

SUBSTANCE: invention is related to renewable energy sources and intended for generation of electric energy for charging of hybrid and electric cars as well as cars with flywheel-type energy storage units. The multifunctional stand-alone hybrid charging station (MSAHCS) may be used as a stand-alone power plant for production and household use by consumers, video monitoring of the environment, instrument monitoring of meteorological and ecological situation in the location area. In MSAHCS the correlation between elements of its design is introduced and also the functional interaction of the above elements is given.

EFFECT: invention allows charging of hybrid and electrical cars and flywheel-type energy storage units independently from conventional energy sources; joint use of renewable sources of solar energy, geothermal energy and wind energy any time any day in the year round; effective recovery of electric energy from the MSAHCS shaded side using helio-spotlights as well as weather and environment monitoring; hot water supply for the MSAHCS needs.

10 cl, 6 dwg

FIELD: heating.

SUBSTANCE: invention is intended to maintain the comfort of air parameters in low-rise buildings, mainly on livestock farms. The system of helio-thermo-cold supply comprises the southern, made of the material absorbing solar radiation, and northern air ducts located on respective sides of the building, the heat accumulator which forms with the floor of the building the underground air duct which communicates with the southern, as well as located under the heat accumulator one above the other heat exchanging and ground air ducts the first of which communicates with the northern, and the other is provided with the ground heat-conducting tubes, and the system is equipped with a vortex tube located in the heat accumulator, communicated with its inlet to the underground air duct, with the cold duct - with the room, and hot - through the heat accumulator to the ground air duct, the outputs of the underground and the ground air ducts are connected to the cold duct of the vortex tube, and behind the place of their connection the filter is mounted, and the southern and northern air ducts are communicated with the atmosphere, and heat exchanger - with the room, and the system is equipped with a thermoelectric generator, made in the form of a housing and a set of differential thermocouples, and the passageway for hot coolant is located in the housing and the passageway for the cold coolant, moreover, the inlet pipe of the passageway for the hot coolant is connected by the channel of hot flow of the vortex tube, and with its outlet pipe - with the ground air duct, at that the inlet pipe of the passageway for the cold coolant is connected to the channel of the cold flow of the vortex tube, with its output pipe - to the room.

EFFECT: reducing the power consumption of the system of helio-thermo-cold supply by using the temperature difference of cold and hot flows of the vortex tube to generate electricity by the thermoelectric generator.

2 dwg

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, in particular, to methods and devices for providing energy to remote agricultural facilities not equipped with stationary energy supply. The method of fan concentration of solar power lies in fan concentration of solar irradiation, and the concentrated irradiation with one concentrator with a mirror reflector is transmitted to the next one. The device of fan concentration of solar power comprises paraboloidal concentrators with mirror reflectors in focus. Summation of the energy of solar irradiation is carried out by fan set of the predetermined number of concentrators with mirror reflectors in focus. The predetermined receiving power of solar irradiation is obtained by calculation of the required number of fan concentrators.

EFFECT: improvement of efficiency of the method.

4 cl, 5 dwg

FIELD: power engineering.

SUBSTANCE: solar-wind water distiller comprises a reservoir for water desalination, a transparent condenser installed above it with a nozzle for outlet of the steam and air mixture in the upper part with a propeller installed in it and fixed on the shaft of the wind engine. A non-transparent condenser is installed above the transparent one, being connected in the upper part with a circulating pipeline, which ends with a circular distributor in the reservoir. A conical tube is fixed to the shaft on the lower and upper crosspieces, and the tube has helical triangular thread on the outer surface in the direction opposite to the rotation of the disc, with which it is partially connected. On the surface of the non-transparent condenser there are toroids, which are hydraulically communicated by pipes with a chute communicated with a pipeline with a reservoir of fresh water.

EFFECT: water distiller, if wind is available, will also work at night time.

3 cl, 2 dwg

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, in particular, to methods and devices for providing energy to remote agricultural facilities not equipped with stationary energy supply. The method of fan concentration of solar power lies in fan concentration of solar irradiation, and the concentrated irradiation with one concentrator with a mirror reflector is transmitted to the next one. The device of fan concentration of solar power comprises paraboloidal concentrators with mirror reflectors in focus. Summation of the energy of solar irradiation is carried out by fan set of the predetermined number of concentrators with mirror reflectors in focus. The predetermined receiving power of solar irradiation is obtained by calculation of the required number of fan concentrators.

EFFECT: improvement of efficiency of the method.

4 cl, 5 dwg

Up!