CN114963583A - Compact light-concentrating solar energy collecting device - Google Patents
Compact light-concentrating solar energy collecting device Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S2023/87—Reflectors layout
- F24S2023/878—Assemblies of spaced reflective elements in the form of grids, e.g. vertical or inclined reflective elements extending over heat absorbing elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S2030/10—Special components
- F24S2030/11—Driving means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S2030/10—Special components
- F24S2030/13—Transmissions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Abstract
The invention relates to a compact light-gathering solar energy collecting device which comprises a mirror element group and a fixing frame (2) thereof, a mirror element group driving unit (4), a mirror element group control unit and a light energy receiving unit (3), wherein the light energy receiving unit (3) is arranged above the mirror element group and the fixing frame (2) thereof and is used for collecting light energy gathered by the mirror element group, the mirror element group driving unit (4) is connected with the mirror element group, the mirror element group control unit is connected with the mirror element group driving unit (4), and the mirror element group control unit is used for providing a driving instruction for the mirror element group driving unit (4) to adjust the angle of the mirror element group so as to enable sunlight to be gathered on the light energy receiving unit (3). Compared with the prior art, the invention has the characteristics of short focal length, small wind resistance, high reliability, easy maintenance and the like, and is easy to realize high integration with buildings.
Description
Technical Field
The invention relates to a solar energy utilization device for civil high-rise buildings, in particular to a compact light-gathering solar energy collection device.
Background
With the rapid development of the urbanization process in China, the urban population is highly concentrated. Meanwhile, under the limited urban living area, the building form of the residential building is rapidly changed, and the original middle-low-rise building is gradually changed into the living environment mainly comprising the high-rise building. Due to rapid change of living environment, the traditional solar energy utilization technology represented by a vacuum tube and a plate type water heater has the defects of limited installation position of a solar energy collector, insufficient available installation area, low solar energy utilization efficiency, poor equipment safety and reliability and the like, and is difficult to adapt to a new application environment, so that technical innovation is imperative.
The light-concentrating solar energy collecting technology with the active sunlight tracking function can effectively improve the utilization rate of the solar energy collecting device, greatly reduce the number of the photo-thermal receiving units and reduce the system cost. However, the solar energy collecting device installed on the outer wall or the roof of the high-rise building firstly solves the safety problem that the solar energy collecting device has smaller wind resistance load under the high-altitude installation environment and is not easy to fall off after being subjected to strong wind. This requires a concentrating solar collector having a relatively compact structure and which can be easily and securely integrated with a building. Secondly, since the high-altitude environment is not favorable for the maintenance operation of the equipment, the solar collector needs to have high reliability and a structural design convenient for maintenance. Therefore, in order to be closely combined with a high-rise building, a solar energy collecting device adopting a light condensing technology needs to have a compact structure, and needs to have the characteristics of small wind resistance, light weight, good reliability, easy maintenance and the like.
The skilled man has gradually made research into small concentrating solar collectors that can be combined with common buildings. However, the problems of complex structure, low solar energy utilization efficiency, difficult effective combination with buildings, and the like of the existing concentrating solar collector still remain the technical problems to be solved in the field at present. The invention patents of China, with application numbers of CN110943693A, CN108981200A, CN108768293A, CN105591607A and CN105227133A, disclose various solar photovoltaic photo-thermal integrated combination devices, but the structures of the devices are too large or complex to be effectively combined with common buildings. In general, a solar photovoltaic photo-thermal integrated system which has a compact structure and is easily and effectively combined with a building is still rarely reported.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a compact light-concentrating solar energy collecting device which has the advantages of automatic sunlight tracking, short focal length, small wind resistance, compact structure, easiness in maintenance, capability of being highly integrated with a building and the like, and is suitable for the field of building-integrated solar energy utilization.
The purpose of the invention can be realized by the following technical scheme:
a compact light-gathering solar energy collecting device comprises a mirror element group, a fixing frame of the mirror element group, a mirror element group driving unit, a mirror element group control unit and a light energy receiving unit, wherein the light energy receiving unit is installed above the mirror element group and the fixing frame of the mirror element group and used for collecting light energy gathered by the mirror element group, the mirror element group driving unit is connected with the mirror element group, the mirror element group control unit is connected with the mirror element group driving unit, and the mirror element group control unit is used for providing a driving instruction for the mirror element group driving unit to adjust the angle of the mirror element group so that sunlight is gathered on the light energy receiving unit.
Preferably, the mirror element group comprises a plurality of strip-shaped high reflection mirror elements, the mirror elements are respectively provided with rotating shafts along the length direction, and the rotating shafts of all the mirror elements are parallel to each other;
two ends of the rotating shaft are fixed on the fixed frames at two ends of the mirror unit group by adopting a double-bearing supporting structure, one end of the rotating shaft is provided with an adjusting wheel capable of adjusting the inclination angle of the mirror unit, and the other end of the rotating shaft is provided with a coupler connected with a driving unit of the mirror unit group;
the inner surface of the fixed frame facing the mirror unit is pasted with a reflecting film, and the outer side of the fixed frame is provided with a connecting piece used for being combined with the outer wall of a building.
Preferably, the mirror element is an elongated rigid structure with a T-shaped cross section.
Preferably, the mirror unit driving unit includes a plurality of gears and gear driving structures fixed on the parallel shaft system, the rotating shafts of the gears are parallel to each other and have the same number, the same interval and arrangement structure as those of the mirror units in the mirror unit, the rotating shafts of the gears are correspondingly connected with the rotating shafts of the mirror units through the couplers, and the gear driving structures are connected with the gears for driving the gears to rotate.
Preferably, the gear driving structure comprises a transmission rack, a stepping motor, a screw and a sliding block, the stepping motor is connected with the screw, the sliding block is arranged on the screw, the sliding block is connected with the transmission rack, and the transmission rack is meshed with the gear;
the screw rod drives the sliding block to move through rotation, and the sliding block drives the plurality of gears to synchronously rotate through the transmission rack connected with the sliding block so as to drive the mirror units connected with the sliding block to synchronously move.
Preferably, the mirror unit control unit includes two photovoltaic cells with equal length and equal width, a central processing unit and a driver, the two photovoltaic cells with equal length and equal width are distributed on two sides of the light energy receiving unit, the light sensing surfaces of the photovoltaic cells face the reflecting surfaces of the mirror unit, the central processing unit is respectively connected with the photovoltaic cells and the driver, and the driver is connected with the mirror unit driving unit;
the solar energy collecting device comprises a light energy receiving unit, a mirror unit group, a central processing unit, a driver and a mirror cell group driving unit, wherein the mirror unit group is arranged on a light source, the central processing unit is used for receiving light energy received by the light energy receiving unit, the mirror unit group is used for driving the mirror unit group driving unit to move, and the central processing unit is used for receiving light energy received by the light energy receiving unit.
Preferably, the mirror unit control unit further comprises a limit switch for limiting the action stroke of the mirror unit driving unit, and the limit switch is connected with the central processing unit.
Preferably, the optical energy receiving units are arranged at a focal position above the center of the mirror element group and distributed along the length direction of the mirror element group, and the length of the optical energy receiving units is not less than that of the mirror element group.
Preferably, the light energy receiving unit comprises a photo-thermal unit, a photovoltaic power generation unit or a combination of the photo-thermal unit and the photovoltaic power generation unit.
Preferably, the device also comprises a shell frame, wherein the shell frame comprises a supporting framework and a transparent plate, and the shell frame is covered on the outermost side of the whole device to form a transparent shell protection structure.
Compared with the prior art, the invention has the following advantages:
(1) the light-gathering solar energy collecting device provided by the invention reflects and focuses sunlight through the lens group, focuses the sunlight on the light energy receiving unit positioned on the light-gathering solar energy collecting device, controls the lens group driving unit through the lens group control unit to adjust the lens group angle so that the sunlight is gathered on the light energy receiving unit, and realizes efficient collection of solar energy, and the whole device has the characteristics of short focal length, small wind resistance and compact structure, and is easy to realize high fusion with a building;
(2) the reflector element of the compact solar energy collecting device adopts a double-bearing support shaft end structure and a T-shaped section rigid structure, so that the optical loss caused by bending deformation of the reflector element under the influence of gravity is relieved, and the solar energy utilization rate is improved;
(3) the driving unit of the mirror element group adopts a mode of meshing the transmission rack and the gear, drives the mirror elements to synchronously rotate through screw transmission, and converges the sunlight at different moments to the light energy receiving unit along with the sunlight at different moments, so that the driving structure is reliable and easy to realize;
(4) the invention is provided with the lens group control unit, adopts the strip-shaped photovoltaic cell pieces arranged at two sides of the light energy receiving unit to sense the position of the concentrated sunlight spot, and has the advantages of high tracking response speed, high tracking precision and low manufacturing cost;
(5) the invention is provided with the shell frame, the mirror unit group and the fixed frame thereof, the mirror unit group driving unit, the mirror unit group control unit, the light energy receiving unit and the like which are uniformly distributed in the sealed transparent shell protection structure, thereby reducing the invasion of wind, sand and rain, improving the reliability of the equipment and being free from maintenance for a long time;
(6) each component in the device is easy to disassemble and separate, can realize quick disassembly and assembly, and is convenient for equipment maintenance;
(7) when the light-concentrating solar energy collecting device is applied to the field of solar light heat, the heat-radiating area of the solar heat collector is reduced, so that the heat-collecting efficiency can be improved; when the concentrating solar energy collecting device is applied to the field of solar photovoltaic, compared with a non-tracking photovoltaic system, the concentrating solar energy collecting device can actively track sunlight, and is more beneficial to realizing high-efficiency collection of solar energy.
Drawings
FIG. 1 is a schematic view of a compact concentrating solar collector of the present invention;
FIG. 2 is a schematic view of the overall structure of the mirror unit and its fixing frame;
FIG. 3 is a top view of a portion of the mirror element assembly and its fixing frame;
FIG. 4 is a schematic structural diagram of a driving unit of a mirror unit according to the present invention;
FIG. 5 is a schematic diagram showing the connection of the elements in the mirror unit control unit according to the present invention;
FIG. 6 is a schematic structural diagram of a mirror unit control unit and a light energy receiving unit according to the present invention;
fig. 7 is an overall schematic view of the assembled compact concentrating solar collector of the present invention.
In the figure, 1 is a shell frame, 2 is a mirror unit group and a fixed frame thereof, 3 is a light energy receiving unit, 4 is a mirror unit group driving unit, 2-1 is a mirror unit, 2-2 is a mirror unit bearing support inner plate, 2-3 is a connecting piece, 2-4 is a mirror unit bearing support outer plate, 2-5 is a mirror unit and rotating shaft connecting piece, 2-6 is a rotating shaft, 2-7 is an adjusting wheel, 3-1 is a fixed connecting piece of the light energy receiving unit and the shell frame, 4-1 is a stepping motor, 4-2 is a sliding block, 4-3 is a screw rod, 4-4 is a gear, 4-5 is a transmission rack, 5-1 is a central processing unit, 5-2 is a photovoltaic cell piece, 5-3 is a driver, 5-4 is a limit switch, and 5-5 is a mirror unit group control unit circuit board.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
As shown in fig. 1, the present embodiment provides a compact concentrating solar energy collecting apparatus, which includes a mirror element group and a fixing frame 2 thereof, a mirror element group driving unit 4, a mirror element group control unit and a light energy receiving unit 3, wherein the light energy receiving unit 3 is installed above the mirror element group and the fixing frame 2 thereof for collecting light energy converged by the mirror element group, the mirror element group driving unit 4 is connected with the mirror element group, the mirror element group control unit is connected with the mirror element group driving unit 4, and the mirror element group control unit is used for providing a driving instruction for the mirror element group driving unit 4 to adjust an angle of the mirror element group so as to focus sunlight on the light energy receiving unit 3.
The concentrating solar energy collecting device of the invention reflects and focuses solar light through the lens unit group, focuses the solar light on the light energy receiving unit 3 positioned on the concentrating solar energy collecting device, and controls the lens unit driving unit 4 to adjust the lens unit angle through the lens unit group control unit so that the solar light is concentrated on the light energy receiving unit 3, thereby realizing the high-efficiency collection of the solar energy.
As another preferred embodiment, the device also comprises a housing frame 1, the housing frame 1 comprises a supporting framework and a transparent plate, and the housing frame 1 is covered on the outermost side of the whole device to form a transparent housing protection structure. The lens group and the fixed frame 2, the lens group driving unit 4, the lens group control unit, the light energy receiving unit 3 and the like are uniformly distributed in the sealed transparent shell protection structure, so that the invasion of wind, sand and rainwater is reduced, the reliability of the equipment is improved, and the maintenance can be avoided for a long time.
The compact light-gathering solar energy collecting device has compact size, the whole device has small thickness, and the thickness range of the whole device is 10-50 cm.
As shown in fig. 2 and 3, the mirror element group comprises a plurality of strip-shaped high reflection mirror elements 2-1, the mirror elements 2-1 are strip-shaped rigid structures with T-shaped cross sections, the mirror elements 2-1 are respectively provided with rotating shafts 2-6 along the length direction of the mirror elements, the rotating shafts 2-6 of each mirror element 2-1 are parallel to each other, and the mirror elements 2-1 and the rotating shafts 2-6 are connected with a rotating shaft connecting piece 2-5 through the mirror elements; two ends of the rotating shaft 2-6 are fixed on fixed frames at two ends of the mirror unit by adopting a double-bearing supporting structure, and the frames at two ends of the mirror unit are composed of a mirror unit bearing supporting inner plate 2-2 and a mirror unit bearing supporting outer plate 2-4 and are used for fixing bearings of the rotating shaft 2-6 of each mirror unit 2-1; one end of the rotating shaft 2-6 is provided with an adjusting wheel 2-7 capable of adjusting the inclination angle of the mirror element 2-1, the adjusting wheel 2-7 is used for adjusting the initial angle of the mirror element 2-1, and the other end of the rotating shaft 2-6 is provided with a coupling connected with the mirror element group driving unit 4.
In the design of the lens group and the fixed frame 2 thereof, the reflector element 2-1 adopts a double-bearing support shaft end structure and a T-shaped section rigid structure, so that the optical loss caused by bending deformation of the reflector element 2-1 under the influence of gravity is relieved, and the solar energy utilization rate is improved.
In addition, the inner surface of the fixed frame facing the mirror element 2-1 is pasted with a reflecting film for reducing optical loss caused by different angles of solar incidence. The outer side of the fixed frame is provided with a connecting piece 2-3 used for being combined with the outer wall of a building, and the whole device can be fixed on the outer surface of the outer wall of the building or other building structures.
As shown in fig. 4, in a preferred embodiment of the present invention, the mirror unit driving unit 4 includes a set of a plurality of gears 4-4 and gear driving structures fixed on a parallel shaft system, the rotating shafts of the gears 4-4 are parallel to each other and have the same number, the same interval and arrangement structure as the mirror units 2-1 in the mirror unit, the rotating shafts of the gears 4-4 are correspondingly connected with the rotating shafts 2-6 of the mirror units 2-1 through couplers, and the gear driving structures are connected with the gears 4-4 for driving the gears 4-4 to rotate. The gear driving structure comprises a transmission rack 4-5, a stepping motor 4-1, a screw rod 4-3 and a sliding block 4-2, wherein the stepping motor 4-1 is connected with the screw rod 4-3, the sliding block 4-2 is installed on the screw rod 4-3, the sliding block 4-2 is connected with the transmission rack 4-5, and the transmission rack 4-5 is meshed with the gear 4-4.
The lens element group driving unit 4 is used for driving each lens element 2-1 in the lens element group to rotate according to the instruction signal of the lens element group control unit, and converging the sunlight at different moments to the light energy receiving unit 3. The driving process of the mirror group driving unit 4 for each mirror element 2-1 in the mirror group is performed by the following structure: a stepping motor 4-1 fixed on the support frame is connected with a screw rod 4-3 through a coupler, the screw rod 4-3 drives a sliding block 4-2 to move through rotation, and the sliding block 4-2 drives a plurality of gears 4-4 to synchronously rotate through a transmission rack 4-5 connected with the sliding block 4-2 so as to drive a mirror element 2-1 connected with the sliding block to synchronously move.
In the embodiment, the mirror unit driving unit 4 drives the mirror unit 2-1 to synchronously rotate by adopting a mode of meshing the transmission rack 4-5 and the gear 4-4 through the transmission of the screw rod 4-3, and the mirror unit is converged on the light energy receiving unit 3 along with the sunlight at different moments, so that the driving structure is reliable and easy to realize.
As shown in fig. 5 and fig. 6, the mirror unit control unit includes two photovoltaic cells 5-2 with equal length and equal width, a central processing unit 5-1, a driver 5-4 and a mirror unit control unit circuit board 5-5, the two photovoltaic cells 5-2 with equal length and equal width are distributed on two sides of the light energy receiving unit 3, the light sensitive surface of the photovoltaic cell 5-2 faces the reflection surface of the mirror unit, the central processing unit 5-1 is connected with the photovoltaic cells 5-2 and the driver 5-4 respectively, and the driver 5-4 is connected with the mirror unit driving unit 4; the photovoltaic cell 5-2 senses the spot position of the sunlight collected by the lens unit, the central processing unit 5-1 receives and compares the light sensing voltage signals generated by the two photovoltaic cell 5-2, and sends a driving instruction to the driver 5-4 to drive the lens unit driving unit 4 to act so as to adjust the angle of the lens unit to collect the sunlight on the light energy receiving unit 3.
The mirror unit control unit further comprises a limit switch 5-4 for limiting the action stroke of the mirror unit driving unit 4, the limit switch 5-4 is connected with the central processing unit 5-1, and based on the preferred embodiment, the mirror unit driving unit 4 drives the transmission rack 4-5 to move through the stepping motor 4-1 in a manner that the transmission rack 4-5 is meshed with the gear 4-4, so as to drive the gear 4-4 to rotate, therefore, in the embodiment, the limit switches 5-4 are respectively arranged at two ends of the stroke of the transmission rack 4-5, and can send control signals to the central processing unit, so as to limit the stroke of the transmission rack 4-5 within the designed range. The driver 5-4 adopts a stepping motor 4-1 driving module to realize the driving control of the stepping motor 4-1 in the lens group driving unit 4, and the central controller receives and compares light sensing voltage signals generated by the two photovoltaic cell pieces 5-2 and sends information such as forward rotation or reverse rotation instructions and rotation angles to the driver 5-4 of the stepping motor 4-1.
The invention is provided with the lens group control unit, adopts the strip-shaped photovoltaic cell pieces 5-2 arranged at two sides of the light energy receiving unit 3 to sense the position of the concentrated sunlight spot, and has the advantages of high tracking response speed, high tracking precision and low manufacturing cost.
Further, in the present embodiment, the optical energy receiving units 3 are arranged at the focal position above the center of the mirror element group and distributed along the length direction of the mirror element group, and the length of the optical energy receiving units 3 is not less than the length of the mirror element group. The light energy receiving unit 3 is used for receiving the converged light energy and converting the converged light energy into electric energy or heat energy, and may be a photo-thermal unit formed by a hollow metal tube or a solar glass vacuum tube with a high light absorption outer surface, or a photovoltaic power generation unit formed by photovoltaic cell sheets connected in series or in parallel, or a combination form of the photo-thermal unit and the photovoltaic unit. When the light-concentrating solar energy collecting device is applied to the field of solar light heat, the heat-radiating area of the solar heat collector is reduced, so that the heat-collecting efficiency can be improved; when the concentrating solar energy collecting device is applied to the field of solar photovoltaic, compared with a non-tracking photovoltaic system, the concentrating solar energy collecting device can actively track sunlight, and is more beneficial to realizing high-efficiency collection of solar energy.
The compact concentrating solar collector assembled according to the above structure is shown in fig. 7.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The compact light-gathering solar energy collecting device is characterized by comprising a mirror element group and a fixing frame (2) thereof, a mirror element group driving unit (4), a mirror element group control unit and a light energy receiving unit (3), wherein the light energy receiving unit (3) is installed above the mirror element group and the fixing frame (2) thereof and is used for collecting light energy gathered by the mirror element group, the mirror element group driving unit (4) is connected with the mirror element group, the mirror element group control unit is connected with the mirror element group driving unit (4), and the mirror element group control unit is used for providing a driving instruction for the mirror element group driving unit (4) to adjust the angle of the mirror element group so as to enable sunlight to be gathered on the light energy receiving unit (3).
2. A compact concentrating solar collector as claimed in claim 1, wherein said set of mirror elements comprises a plurality of elongated highly reflecting mirror elements (2-1), said mirror elements (2-1) being respectively provided with a rotation axis (2-6) along their length, the rotation axes (2-6) of each mirror element (2-1) being parallel to each other;
two ends of the rotating shaft (2-6) are fixed on the fixed frames at two ends of the mirror unit group by adopting a double-bearing supporting structure, one end of the rotating shaft (2-6) is provided with an adjusting wheel (2-7) capable of adjusting the inclination angle of the mirror unit (2-1), and the other end of the rotating shaft (2-6) is provided with a coupling connected with a driving unit (4) of the mirror unit group;
the inner surface of the fixed frame facing the mirror unit (2-1) is adhered with a reflecting film, and the outer side of the fixed frame is provided with a connecting piece (2-3) used for being combined with the outer wall of a building.
3. A compact concentrating solar collector as claimed in claim 2, wherein the mirror element (2-1) is an elongate rigid structure of T-shaped cross-section.
4. The compact concentrating solar collector as claimed in claim 2, wherein the mirror unit drive unit (4) comprises a plurality of gears (4-4) and gear drive structures fixed on a parallel shaft system, the rotation axes of the gears (4-4) are parallel to each other and have the same number, the same interval and arrangement structure with the mirror units (2-1) in the mirror unit, the rotation axes of the gears (4-4) are correspondingly connected with the rotation axes (2-6) of the mirror units (2-1) through the shaft couplings, and the gear drive structures are connected with the gears (4-4) for driving the gears (4-4) to rotate.
5. The compact concentrating solar collector according to claim 4, wherein the gear driving structure comprises a transmission rack (4-5), a stepping motor (4-1), a screw (4-3) and a slider (4-2), the stepping motor (4-1) is connected with the screw (4-3), the slider (4-2) is mounted on the screw (4-3), the slider (4-2) is connected with the transmission rack (4-5), and the transmission rack (4-5) is meshed with the gear (4-4);
the screw (4-3) drives the sliding block (4-2) to move through rotation, and the sliding block (4-2) drives the gears (4-4) to synchronously rotate through the transmission rack (4-5) connected with the sliding block, so as to drive the mirror unit (2-1) connected with the sliding block to synchronously move.
6. The compact concentrating solar energy collecting device according to claim 1, wherein the mirror unit control unit comprises two photovoltaic cells (5-2) with equal length and equal width, a central processor (5-1) and a driver (5-3), the two photovoltaic cells (5-2) with equal length and equal width are distributed on both sides of the light energy receiving unit (3), the light-sensitive surfaces of the photovoltaic cells (5-2) face the reflecting surfaces of the mirror unit, the central processor (5-1) is respectively connected with the photovoltaic cells (5-2) and the driver (5-3), and the driver (5-3) is connected with the mirror unit driving unit (4);
the solar energy collecting mirror is characterized in that the photovoltaic cell pieces (5-2) sense the light spot positions of sunlight collected by the mirror unit group, the central processing unit (5-1) receives light sensing voltage signals generated by the two photovoltaic cell pieces (5-2) and compares the light sensing voltage signals, and sends a driving instruction to the driver (5-3) to drive the mirror unit group driving unit (4) to act so as to adjust the angle of the mirror unit group to enable the sunlight to be collected on the light energy receiving unit (3).
7. The compact concentrating solar collector as claimed in claim 6, wherein the mirror unit control unit further comprises a limit switch (5-4) for limiting the action stroke of the mirror unit driving unit (4), and the limit switch (5-4) is connected to the central processing unit (5-1).
8. The compact concentrating solar collector as claimed in claim 1, wherein the light receiving elements (3) are arranged at a focal position above the center of the set of mirror elements and distributed along the length of the set of mirror elements, and the length of the light receiving elements (3) is not less than the length of the set of mirror elements.
9. The compact concentrating solar collector as claimed in claim 1, wherein the light energy receiving unit (3) comprises a photothermal unit, a photovoltaic unit or a combination of photothermal and photovoltaic units.
10. The compact concentrating solar collector as claimed in claim 1, further comprising a housing frame (1), wherein the housing frame (1) comprises a supporting framework and a transparent plate, and the housing frame (1) covers the outermost side of the whole device to form a transparent housing protection structure.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702240Y (en) * | 2004-04-01 | 2005-05-25 | 杨绍杰 | Strip shaped flat type wire solar energy collector |
| CN103997286A (en) * | 2014-05-09 | 2014-08-20 | 桂林凯创光伏科技有限公司 | Concentrating photovoltaic system based on reflection of multiple strip-shaped plane mirrors and with automatic sun tracking function |
| CN209131177U (en) * | 2018-09-06 | 2019-07-19 | 北京兆阳能源技术有限公司 | A kind of middle low-concentration collecting apparatus and Solar Energy Heat Utilization System |
| CN112344567A (en) * | 2020-11-06 | 2021-02-09 | 南京工业大学 | Compact tracking type composite light-gathering solar heat collection system |
| CN112413909A (en) * | 2020-11-24 | 2021-02-26 | 南京工业大学 | Photovoltaic photo-thermal module separated small Fresnel concentrating collector |
-
2022
- 2022-04-24 CN CN202210436009.1A patent/CN114963583B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702240Y (en) * | 2004-04-01 | 2005-05-25 | 杨绍杰 | Strip shaped flat type wire solar energy collector |
| CN103997286A (en) * | 2014-05-09 | 2014-08-20 | 桂林凯创光伏科技有限公司 | Concentrating photovoltaic system based on reflection of multiple strip-shaped plane mirrors and with automatic sun tracking function |
| CN209131177U (en) * | 2018-09-06 | 2019-07-19 | 北京兆阳能源技术有限公司 | A kind of middle low-concentration collecting apparatus and Solar Energy Heat Utilization System |
| CN112344567A (en) * | 2020-11-06 | 2021-02-09 | 南京工业大学 | Compact tracking type composite light-gathering solar heat collection system |
| CN112413909A (en) * | 2020-11-24 | 2021-02-26 | 南京工业大学 | Photovoltaic photo-thermal module separated small Fresnel concentrating collector |
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