CN114520622B - Tracking type photovoltaic power generation equipment with high conversion rate and working method thereof - Google Patents
Tracking type photovoltaic power generation equipment with high conversion rate and working method thereof Download PDFInfo
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- CN114520622B CN114520622B CN202111623690.2A CN202111623690A CN114520622B CN 114520622 B CN114520622 B CN 114520622B CN 202111623690 A CN202111623690 A CN 202111623690A CN 114520622 B CN114520622 B CN 114520622B
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- 238000010248 power generation Methods 0.000 title claims abstract description 92
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
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- 230000005540 biological transmission Effects 0.000 claims abstract description 112
- 239000011159 matrix material Substances 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/70—Arrangement of stationary mountings or supports for solar heat collector modules with means for adjusting the final position or orientation of supporting elements in relation to each other or to a mounting surface; with means for compensating mounting tolerances
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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
- F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
- F24S30/455—Horizontal primary axis
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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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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- 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
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- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Photovoltaic Devices (AREA)
Abstract
The application relates to a tracking photovoltaic power generation equipment of high conversion rate, includes: the device comprises a photovoltaic power generation plate, a matrix support, a first transmission mechanism, a second transmission mechanism, a rotating mechanism and a light condensing device. According to the photovoltaic power generation device, the second transmission mechanism is arranged, the inclination angle of the photovoltaic power generation plate can be adjusted according to the solar altitude angle, and the rotating mechanism is arranged, so that the azimuth of the photovoltaic power generation plate can be adjusted according to the solar azimuth angle, the photovoltaic power generation plate can be aligned to sunlight, and the photovoltaic power generation efficiency is improved; by arranging the first transmission mechanism, the distance between the photovoltaic power generation plates can be adjusted according to the solar altitude angle, the distance between the photovoltaic power generation plates is always equal while the distance is adjusted, the waste of the light irradiation area is reduced, and the light utilization rate is improved; by arranging the light condensing device, light rays at intervals between the photovoltaic power generation plates can be focused, so that the light inlet quantity is increased, and the light utilization rate is improved.
Description
Technical Field
The application relates to the field of photovoltaic power generation, in particular to a high-conversion-rate tracking type photovoltaic power generation device and a working method thereof.
Background
The place of the solar photovoltaic power generation system is relatively fixed, the solar photovoltaic power generation system rises and falls every day in spring, autumn and winter, the illumination angle of the sun changes at any moment, and if the solar cell panel can face the sun at any moment, the power generation efficiency can reach the optimal state.
CN201710667298.5 discloses a high-efficiency tracking photovoltaic power generation system and matrix, the technical scheme is as follows: comprising the following steps: the photovoltaic cell comprises a flitch, a photovoltaic cell, a frame body and a support; the photovoltaic cell is fixed on the flitch; the flitch comprises a fixed end and a movable end, the fixed end and the movable end are respectively connected with two opposite side surfaces of the frame body through a first rotating shaft, and the movable end is used for driving the flitch to rotate through the first rotating shaft to adjust the azimuth angle of the photovoltaic cell; the two ends of the frame body are arranged on the support through a second rotating shaft, and the pitch angle of the photovoltaic cell is adjusted through rotation of the second rotating shaft; the solar energy tracking system further comprises a ray tracker and a control assembly, wherein the ray tracker is used for tracking the azimuth angle and the pitch angle of the sun; the ray tracker is connected with the control assembly, and the control assembly controls the rotation of the first rotating shaft and the second rotating shaft respectively.
The efficient tracking type photovoltaic power generation system and matrix have the following advantages: the sun position is determined through the photosensitive assembly, the rotating speed of the servo motor is changed through the control module, the orientation of the photovoltaic cell is regulated, the receiving surface of the photovoltaic cell is vertical to the solar rays when solar radiation is strong, and the solar energy collection efficiency of the photovoltaic cell is greatly improved in a relatively fixed photovoltaic cell matrix form; the daily operation can be performed efficiently by only consuming a small amount of electric energy generated by the daily operation, so that the operation cost is saved; the invention effectively avoids the oxidation erosion of the components due to long-term exposure, and the system automatically operates without manual frequent operation.
However, the high-efficiency tracking photovoltaic power generation system and matrix also have the following disadvantages: the amount of light entering cannot be increased; as the solar altitude is continuously reduced, the shadow of the photovoltaic power generation plate is continuously lengthened, the adjacent photovoltaic power generation plate is easy to be shielded, and if the distance is adjusted to a larger value in order that the adjacent photovoltaic power generation plate is not shielded, a large amount of irradiation area of the distance area is wasted;
accordingly, there is a need for a photovoltaic power generation apparatus capable of adjusting the pitch of photovoltaic power generation panels in real time, making full use of the irradiation area, and increasing the amount of incoming light.
Disclosure of Invention
In order to solve the problems that the light inlet quantity cannot be increased and the irradiation area is wasted, the application provides a tracking type photovoltaic power generation device with high conversion rate and a working method thereof.
The application provides a tracking photovoltaic power generation equipment of high conversion rate, includes: the device comprises a photovoltaic power generation plate, a matrix support, a first transmission mechanism, a second transmission mechanism, a rotating mechanism and a light condensing device;
the photovoltaic power generation plate is arranged on the matrix support; the first transmission mechanism is arranged at the lower part of the matrix support, matched with the matrix support and used for adjusting the interval between the photovoltaic power generation plates; the second transmission mechanism is arranged below the first transmission mechanism and matched with the matrix support, and is used for adjusting the inclination angle of the photovoltaic power generation plate to match with the solar altitude angle; the rotating mechanism is arranged below the matrix support and matched with the matrix support, and is used for adjusting the azimuth of the matrix support to match with the solar azimuth; the light condensing device is arranged on the matrix support, matched with the matrix support and used for focusing more light rays so as to increase the light inlet quantity;
further comprises: the positioning module is used for connecting a positioning satellite to acquire longitude and latitude data of the position where the power generation equipment is located; the timer is used for acquiring real-time data and assisting in calculating real-time solar altitude and azimuth; and the controller is used for receiving the data and sending the control signal.
Further, the matrix support includes: a base; the first sliding seat is horizontally arranged above the base and fixedly connected with the base; the support rod is vertically arranged between the first sliding seat and the base, the upper end of the support rod is in sliding connection with the first sliding seat, and the lower end of the support rod is in sliding connection with the base; the second sliding seat is horizontally arranged above the base, fixedly connected with the base and positioned below the first sliding seat; the ejector rod is vertically arranged on the second sliding seat and is in sliding connection with the second sliding seat; the mounting table is arranged above the first sliding seat, the end part of the mounting table is rotationally connected with the supporting rod, and the middle part of the mounting table is rotationally connected with the ejector rod;
the mount includes: the first rotating shaft is arranged at one end of the mounting table and is rotationally connected with the upper part of the supporting rod, and the first rotating shaft is in sliding connection with the first sliding seat; the second rotating shaft is arranged below the middle part of the mounting table and is rotationally connected with the upper part of the ejector rod;
the second sliding seat includes: the first pin groove is horizontally arranged at the upper part of the second sliding seat; the second pin groove is horizontally arranged at the lower part of the second sliding seat;
the ejector rod comprises: the first pin piece is arranged at the lower part of the ejector rod and is in sliding connection with the first pin groove; the second pin piece is arranged at the lower part of the ejector rod and is in sliding connection with the second pin groove.
Further, the mount table outside end is provided with condensing equipment, condensing equipment includes: the reflector is arranged at the outer side end of the mounting table, and the mirror surface direction of the reflector faces outwards; the torsion motor is arranged between the reflector and the mounting table, fixedly connected with the mounting table and connected with the reflector in a driving way, and electrically connected with the controller.
By adopting the technical scheme, the light rays at the interval between the photovoltaic power generation plates can be focused, so that the light inlet quantity is increased, and the light utilization rate is improved.
Further, the first transmission mechanism includes: the tooth slot is horizontally arranged below the supporting rod and fixedly connected with the base; the connecting shaft is arranged below the supporting rod and is rotationally connected with the supporting rod; the sliding gear is sleeved on the connecting shaft, is in driving connection with the connecting shaft and is meshed with the tooth slot; the bearing is arranged below the sliding gear and is in driving connection with the connecting shaft; the second sliding helical gear is arranged below the bearing and is in driving connection with the connecting shaft; the second transmission shaft is arranged below the tooth slot and is rotationally connected with the base; the shaft sleeve is arranged in the middle of the second transmission shaft and is in driving connection with the second transmission shaft; the two ends of the limiting connecting rod are respectively connected with the corresponding shaft sleeve and the bearing and are respectively and rotatably connected with the shaft sleeve and the bearing; the second sliding helical gear is arranged in the middle of the second transmission shaft, is in driving connection with the second transmission shaft, is meshed with the first sliding helical gear, and is fixedly connected with the shaft sleeve; the second transmission gear is arranged on one side of the second transmission shaft and is in driving connection with the second transmission shaft; the driving motor is arranged below the second transmission shaft, fixedly connected with the side part of the base and electrically connected with the controller; the first transmission shaft is arranged below the second transmission shaft, one end of the first transmission shaft is in driving connection with the driving motor, and the other end of the first transmission shaft is in rotating connection with the base; the first transmission gear is arranged on one side of the first transmission shaft, is in driving connection with the first transmission shaft and is meshed with the second transmission gear; the first lifting bevel gear is arranged in the middle of the first transmission shaft and is in driving connection with the first transmission shaft.
Further, in the matrix support, the transmission ratio of the sliding gears corresponding to different support rods is the distance ratio of the different support rods to the rightmost support rod.
Through adopting above-mentioned technical scheme, the photovoltaic power generation board moving speed that is far away from the right side is faster, can adjust the interval between the photovoltaic power generation board according to sun altitude angle to guarantee when the adjustment that interval between each photovoltaic power generation board is equal all the time, reduced the waste of light irradiation area, improved the utilization ratio of light.
Further, the second transmission mechanism includes: the racks are symmetrically arranged on two sides of the second sliding seat and fixedly connected with the end part of the second sliding seat; the sliding sleeves are respectively arranged at the lower parts of the racks and are in sliding connection with the racks; the first lifting gears are respectively arranged at the side parts of the racks and meshed with the corresponding racks; the first belt wheel is arranged at the side part of the first lifting gear, coaxially rotates with the first lifting gear and is fixedly connected with the side part of the first lifting gear; the worm wheel is vertically arranged between two symmetrically arranged racks; the second lifting helical gear is arranged at the upper part of the worm wheel, fixedly connected with the upper part of the worm wheel and coaxially rotated with the worm wheel; the second lifting gears are symmetrically arranged on two sides of the worm wheel and are in driving connection with the worm wheel; the second belt wheel is arranged on the side part of the second lifting gear, coaxially rotates with the second lifting gear, is fixedly connected with the side part of the second lifting gear and is connected with the first belt wheel through belt transmission.
By adopting the technical scheme, the inclination angle of the photovoltaic power generation plate can be adjusted according to the solar altitude angle, so that the photovoltaic power generation plate always faces the sunlight, and the photovoltaic power generation efficiency is improved; and the second transmission mechanism is matched with the first transmission mechanism, the inclination angle of the photovoltaic power generation plates is adjusted, the distance between the photovoltaic power generation plates is correspondingly adjusted, and the photovoltaic power generation plates are simultaneously driven by only one power system, so that the integration degree of the photovoltaic power generation equipment is improved, and the energy consumption is reduced.
Further, the rotating mechanism includes: the first turntable is arranged below the matrix support and fixedly connected with the matrix support; the second rotary table is arranged below the second rotary table and is coaxially and rotatably connected with the first rotary table; the first rotating gear is arranged above the first rotating disc and fixedly connected with the first rotating disc; the speed reducing motor is arranged above the first rotary table and is electrically connected with the controller; the second rotating gear is sleeved on a motor shaft of the speed reducing motor, is in driving connection with the speed reducing motor and is meshed with the first rotating gear.
By adopting the technical scheme, the azimuth of the photovoltaic power generation plate can be adjusted according to the azimuth of the sun, so that the photovoltaic power generation plate is opposite to sunlight, and the photovoltaic power generation efficiency is improved.
The working method of the tracking type photovoltaic power generation equipment with high conversion rate comprises the following steps of:
step S1, determining the position of a light source, acquiring longitude and latitude information of the position by a positioning module, and calculating by matching with a timer to obtain a real-time solar altitude angle and azimuth angle;
s2, autorotation is carried out, a controller controls a speed reduction motor to start, and the first turntable is driven to rotate until the angle of the matrix support corresponds to the solar azimuth angle;
step S3, adjusting the inclination angle, if the calculated solar altitude angle rises, controlling a driving motor to rotate forward by a controller to drive a second transmission mechanism to run forward, enabling a rack to move downwards to drive a push rod to move downwards, enabling an installation table to incline at a reduced angle, simultaneously driving a first transmission mechanism to run forward, driving a support rod to run rightwards, and enabling the distance between installation tables to be reduced; if the calculated solar altitude angle is reduced, the controller controls the driving motor to rotate reversely, the second transmission mechanism is driven to rotate reversely, the rack moves upwards to drive the ejector rod to move upwards, the inclination angle of the mounting table is increased, meanwhile, the first transmission mechanism is driven to rotate reversely, the supporting rod is driven to move leftwards, and the distance between the mounting tables is increased.
Further, in the step S3, if the solar altitude exceeds the set threshold, the controller controls the torsion motor to start and the reflector extends; the reflector angle adjusting method comprises the following steps: when the solar altitude exceeds a set threshold, the higher the solar altitude, the larger the included angle between the reflector and the upper surface of the mounting table, and the smaller the solar altitude, the smaller the included angle between the reflector and the upper surface of the mounting table; when the solar altitude is lower than the set threshold, the torsion motor is reversed to the reflector to be attached to the lower surface of the mounting table.
By adopting the technical scheme, the light rays at the interval between the photovoltaic power generation plates can be focused, so that the light inlet quantity is increased, and the light utilization rate is improved.
In summary, the present application includes the following beneficial technical effects:
1. the inclination angle of the photovoltaic power generation plate can be adjusted according to the solar altitude angle by arranging the second transmission mechanism, and the azimuth of the photovoltaic power generation plate can be adjusted according to the solar azimuth by arranging the rotation mechanism, so that the photovoltaic power generation plate is opposite to sunlight, and the photovoltaic power generation efficiency is improved;
2. by arranging the first transmission mechanism, the distance between the photovoltaic power generation plates can be adjusted according to the solar altitude angle, the distance between the photovoltaic power generation plates is always equal while the distance is adjusted, the waste of the light irradiation area is reduced, and the light utilization rate is improved;
3. the second transmission mechanism is matched with the first transmission mechanism, the inclination angle of the photovoltaic power generation plates is adjusted, the distance between the photovoltaic power generation plates is correspondingly adjusted, and the photovoltaic power generation plates are simultaneously driven by only one power system, so that the integration degree of the photovoltaic power generation equipment is improved, and the energy consumption is reduced;
4. by arranging the light condensing device, light rays at intervals between the photovoltaic power generation plates can be focused, so that the light inlet quantity is increased, and the light utilization rate is improved.
Drawings
FIG. 1 is an overall block diagram of a high conversion rate tracking photovoltaic power plant according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of a matrix support and concentrator of a high conversion tracking photovoltaic power generation device according to an embodiment of the present application;
fig. 3 is an enlarged view of a portion of a first and second drive mechanism of a high conversion rate tracking photovoltaic power generation apparatus according to an embodiment of the present application.
Reference numerals illustrate:
1. a photovoltaic power generation panel;
2. a matrix support; 201. a base; 202. a first sliding seat; 203. a support rod; 204. a second sliding seat; 205. a first pin slot; 206. a second pin slot; 207. a push rod; 208. a first pin member; 209. a second pin member; 210. a mounting table; 211. a first rotating shaft; 212. a second rotating shaft;
3. a light condensing device; 31. a reflective mirror; 32. a torsion motor;
4. a first transmission mechanism; 401. a driving motor; 402. a first drive shaft; 403. a first transmission gear; 404. a first lifting helical gear; 405. a second drive shaft; 406. a second transmission gear; 407. a first sliding helical gear; 408. a shaft sleeve; 409. a limit connecting rod; 410. a connecting shaft; 411. tooth slots; 412. a sliding gear; 413. a bearing; 414. a second sliding helical gear;
5. a second transmission mechanism; 51. a rack; 52. sliding the sleeve; 53. a first lifting gear; 54. a first pulley; 55. a worm wheel; 56. a second lifting gear; 57. a second pulley; 58. a second lifting helical gear;
6. a rotating mechanism; 61. a first turntable; 62. a second turntable; 63. a first rotating gear; 64. a second rotating gear; 65. a speed reducing motor;
7. a positioning module; 8. a timer; 9. and a controller.
Detailed Description
The following detailed description of the embodiments of the present application, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operation and use method, etc., is provided to help those skilled in the art to more fully understand the inventive concept, technical solution of the present invention. For convenience of description, reference is made to the directions shown in the drawings.
Referring to fig. 1-3, a high conversion rate tracking photovoltaic power generation apparatus, comprising: the photovoltaic power generation panel 1, the matrix support 2, the first transmission mechanism 4, the second transmission mechanism 5, the rotating mechanism 6 and the light condensing device 3;
the photovoltaic power generation plate 1 is arranged on the matrix support 2; the first transmission mechanism 4 is arranged at the lower part of the matrix support 2, is matched with the matrix support 2 and is used for adjusting the interval between the photovoltaic power generation panels 1; the second transmission mechanism 5 is arranged below the first transmission mechanism 4 and matched with the matrix support 2, and is used for adjusting the inclination angle of the photovoltaic power generation panel 1 to match the solar altitude; the rotating mechanism 6 is arranged below the matrix support 2 and matched with the matrix support 2, and is used for adjusting the azimuth of the matrix support 2 to match the solar azimuth; the light condensing device 3 is arranged on the matrix support 2 and matched with the matrix support 2, and is used for focusing more light rays so as to increase the light inlet quantity;
further comprises: the positioning module 7 is used for connecting a positioning satellite to acquire longitude and latitude data of the position where the power generation equipment is located; the timer 8 is used for acquiring real-time data and assisting in calculating real-time solar altitude and azimuth; and a controller 9 for receiving the data and transmitting the control signal.
The matrix support 2 comprises: a base 201; the first sliding seat 202 is horizontally arranged above the base 201 and is fixedly connected with the base 201; the supporting rod 203 is vertically arranged between the first sliding seat 202 and the base 201, the upper end of the supporting rod is in sliding connection with the first sliding seat 202, and the lower end of the supporting rod is in sliding connection with the base 201; the second sliding seat 204 is horizontally arranged above the base 201, is fixedly connected with the base 201 and is positioned below the first sliding seat 202; the ejector rod 207 is vertically arranged on the second sliding seat 204 and is in sliding connection with the second sliding seat 204; the mounting table 210 is arranged above the first sliding seat 202, the end part of the mounting table is rotationally connected with the supporting rod 203, and the middle part of the mounting table is rotationally connected with the ejector rod 207;
the mounting table 210 includes: a first rotating shaft 211, which is disposed at one end of the mounting table 210 and is rotatably connected to the upper portion of the supporting rod 203, wherein the first rotating shaft 211 is slidably connected to the first sliding seat 202; a second rotating shaft 212 disposed below the middle portion of the mounting table 210 and rotatably connected to the upper portion of the push rod 207;
the second sliding seat 204 includes: a first pin groove 205 horizontally provided at an upper portion of the second sliding seat 204; a second pin slot 206 horizontally disposed at a lower portion of the second sliding seat 204;
the jack 207 includes: a first pin 209 disposed at a lower portion of the push rod 207 and slidably coupled to the first pin slot 205; and a second pin member, which is disposed at the lower portion of the push rod 207 and slidably coupled to the second pin groove 206.
The outer side of the mounting table 210 is provided with a light condensing device 3, and the light condensing device 3 includes: a reflector 31 disposed at an outer side of the mounting table 210, wherein a mirror surface direction of the reflector 31 faces outward; the torsion motor 32 is disposed between the reflector 31 and the mounting table 210, fixedly connected to the mounting table 210, and in driving connection with the reflector 31, and the torsion motor 32 is electrically connected to the controller 9.
The first transmission mechanism 4 includes: the tooth slot 411 is horizontally arranged below the supporting rod 203 and fixedly connected with the base 201; a connecting shaft 410 disposed below the support rod 203 and rotatably connected to the support rod 203; a sliding gear 412 sleeved on the connecting shaft 410, in driving connection with the connecting shaft 410, and meshed with the tooth slot 411; a bearing 413 disposed below the sliding gear 412 and drivingly connected to the connecting shaft 410; a second sliding helical gear 414 disposed below the bearing 413 and drivingly connected to the connecting shaft 410; the second transmission shaft 405 is arranged below the tooth slot 411 and is rotationally connected with the base 201; the shaft sleeve 408 is arranged in the middle of the second transmission shaft 405 and is in driving connection with the second transmission shaft 405; the two ends of the limit connecting rod 409 are respectively connected with the corresponding shaft sleeve 408 and the bearing 413, and are respectively connected with the shaft sleeve 408 and the bearing 413 in a rotating way; the second sliding helical gear 414 is arranged in the middle of the second transmission shaft 405, is in driving connection with the second transmission shaft 405, is meshed with the first sliding helical gear 407, and is fixedly connected with the shaft sleeve 408; the second transmission gear 406 is arranged at one side of the second transmission shaft 405 and is in driving connection with the second transmission shaft 405; the driving motor 401 is disposed below the second transmission shaft 405, fixedly connected to the side portion of the base 201, and electrically connected to the controller 9; the first transmission shaft 402 is arranged below the second transmission shaft 405, one end of the first transmission shaft is in driving connection with the driving motor 401, and the other end of the first transmission shaft is in rotating connection with the base 201; a first transmission gear 403 disposed at one side of the first transmission shaft 402, drivingly connected to the first transmission shaft 402, and meshed with the second transmission gear 406; the first lifting bevel gear 404 is disposed in the middle of the first transmission shaft 402 and is in driving connection with the first transmission shaft 402.
In the matrix support 2, the transmission ratio of the sliding gears 412 corresponding to the different support rods 203 is the distance ratio between the different support rods 203 and the rightmost support rod 203.
The second transmission mechanism 5 includes: the racks 51 are symmetrically arranged at two sides of the second sliding seat 204 and fixedly connected with the end part of the second sliding seat 204; the sliding sleeves 52 are respectively arranged at the lower parts of the racks 51 and are in sliding connection with the racks 51; the first lifting gears 53 are respectively arranged at the side parts of the racks 51 and meshed with the corresponding racks 51; the first belt wheel 54 is arranged on the side part of the first lifting gear 53, coaxially rotates with the first lifting gear 53 and is fixedly connected with the side part of the first lifting gear 53; a worm wheel 55 vertically disposed between the two racks 51 symmetrically disposed; the second lifting bevel gear 58 is arranged on the upper part of the worm wheel 55, fixedly connected with the upper part of the worm wheel 55 and coaxially rotated with the worm wheel 55; the second lifting gears 56 are symmetrically arranged at two sides of the worm wheel 55 and are in driving connection with the worm wheel 55; the second belt wheel 57 is disposed at the side of the second lifting gear 56, rotates coaxially with the second lifting gear 56, is fixedly connected with the side of the second lifting gear 56, and is connected with the first belt wheel 54 through belt transmission.
The rotation mechanism 6 includes: the first rotating disc 61 is arranged below the matrix support 2 and fixedly connected with the matrix support 2; the second turntable 62 is arranged below the second turntable 62 and is coaxially and rotatably connected with the first turntable 61; a first rotating gear 63 disposed above the first rotating disk 61 and fixedly connected to the first rotating disk 61; the gear motor 65 is arranged above the first rotary table 61 and is electrically connected with the controller 9; the second rotating gear 64 is sleeved on the motor shaft of the speed reducing motor 65, is in driving connection with the speed reducing motor 65, and is meshed with the first rotating gear 63.
The working method of the tracking type photovoltaic power generation equipment with high conversion rate comprises the following steps of:
step S1, determining the position of a light source, acquiring longitude and latitude information of the position by a positioning module 7, and calculating by matching with a timer 8 to obtain a real-time solar altitude angle and azimuth angle;
step S2, autorotation is performed, the controller 9 controls the speed reduction motor 65 to start, and the first rotating disc 61 is driven to rotate until the angle of the matrix support 2 corresponds to the solar azimuth angle;
step S3, adjusting the inclination angle, if the calculated solar altitude angle rises, the controller 9 controls the driving motor 401 to rotate forward to drive the second transmission mechanism 5 to operate forward, the rack 51 moves downwards to drive the ejector rod 207 to move downwards, the inclination angle of the mounting table 210 is reduced, meanwhile, the first transmission mechanism 4 is driven to operate forward to drive the supporting rod 203 to operate rightwards, and the distance between the mounting tables 210 is reduced; if the calculated solar altitude angle is reduced, the controller 9 controls the driving motor 401 to reversely rotate to drive the second transmission mechanism 5 to reversely operate, the rack 51 moves upwards to drive the ejector rod 207 to move upwards, the inclination angle of the mounting table 210 is increased, and simultaneously drives the first transmission mechanism 4 to reversely operate to drive the supporting rod 203 to move leftwards, and the distance between the mounting tables 210 is increased.
In the step S3, if the solar altitude exceeds the set threshold, the controller 9 controls the torsion motor 32 to start, and the reflector 31 extends; the angle adjusting method of the reflector 31 comprises the following steps: when the solar altitude exceeds the set threshold, the higher the solar altitude, the larger the included angle between the reflector 31 and the upper surface of the mounting table 210, and the smaller the solar altitude, the smaller the included angle between the reflector 31 and the upper surface of the mounting table 210; when the solar altitude is lower than the set threshold, the torsion motor 32 is reversed until the mirror 31 is attached to the lower surface of the mount 210.
The working principle of the tracking type photovoltaic power generation equipment with high conversion rate and the working method thereof is as follows: through setting up second drive mechanism, can adjust the inclination of photovoltaic power generation board according to sun altitude angle, through setting up slewing mechanism, can adjust the position of photovoltaic power generation board according to sun azimuth, make it just to the sunlight, improved photovoltaic power generation efficiency. Through setting up a drive mechanism, the photovoltaic power generation board moving speed that is far away from the right side is faster, can adjust the interval between the photovoltaic power generation board according to sun altitude angle to guarantee when the adjustment that interval between each photovoltaic power generation board is equal all the time, reduced the waste of light irradiation area, improved the utilization ratio of light. In addition, the second transmission mechanism is matched with the first transmission mechanism, the inclination angle of the photovoltaic power generation plates is adjusted, the distance between the photovoltaic power generation plates is correspondingly adjusted, and the photovoltaic power generation plates are simultaneously driven by one power system, so that the integration degree of the photovoltaic power generation equipment is improved, and the energy consumption is reduced. In this embodiment of the application, through setting up condensing equipment, can focus the light of interval department between the photovoltaic power generation board to increase the light inlet quantity, improved the utilization ratio of light.
The invention and its embodiments have been described above schematically, without limitation, and the drawings illustrate only one embodiment of the invention and the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively devised without departing from the gist of the present invention, and all the structural manners and the embodiment are considered to be within the protection scope of the present invention.
Claims (7)
1. A high conversion rate tracking photovoltaic power generation device, comprising: the photovoltaic power generation device comprises a photovoltaic power generation plate (1), a matrix support (2), a first transmission mechanism (4), a second transmission mechanism (5), a rotating mechanism (6) and a light condensing device (3);
the photovoltaic power generation plate (1) is arranged on the matrix support (2); the first transmission mechanism (4) is arranged at the lower part of the matrix support (2), is matched with the matrix support (2) and is used for adjusting the interval between the photovoltaic power generation plates (1); the second transmission mechanism (5) is arranged below the first transmission mechanism (4) and matched with the matrix support (2) for adjusting the inclination angle of the photovoltaic power generation panel (1) to match the solar altitude; the rotating mechanism (6) is arranged below the matrix support (2) and matched with the matrix support (2) and is used for adjusting the azimuth of the matrix support (2) to match with the solar azimuth; the light focusing device (3) is arranged on the matrix support (2) and matched with the matrix support (2) and is used for focusing more light rays so as to increase the light inlet quantity;
further comprises: the positioning module (7) is used for connecting a positioning satellite to acquire longitude and latitude data of the position where the power generation equipment is located; the timer (8) is used for acquiring real-time data and assisting in calculating real-time solar altitude and azimuth; a controller (9) for receiving data and transmitting control signals;
the matrix support (2) comprises: a base (201); the first sliding seat (202) is horizontally arranged above the base (201) and is fixedly connected with the base (201); the support rod (203) is vertically arranged between the first sliding seat (202) and the base (201), the upper end of the support rod is in sliding connection with the first sliding seat (202), and the lower end of the support rod is in sliding connection with the base (201); the second sliding seat (204) is horizontally arranged above the base (201), is fixedly connected with the base (201) and is positioned below the first sliding seat (202); the ejector rod (207) is vertically arranged on the second sliding seat (204) and is in sliding connection with the second sliding seat (204); the mounting table (210) is arranged above the first sliding seat (202), the end part of the mounting table is rotationally connected with the supporting rod (203), and the middle part of the mounting table is rotationally connected with the ejector rod (207);
the mounting table (210) includes: the first rotating shaft (211) is arranged at one end of the mounting table (210) and is rotationally connected with the upper part of the supporting rod (203), and the first rotating shaft (211) is in sliding connection with the first sliding seat (202); the second rotating shaft (212) is arranged below the middle part of the mounting table (210) and is rotationally connected with the upper part of the ejector rod (207);
the first transmission mechanism (4) comprises: the tooth slot (411) is horizontally arranged below the supporting rod (203) and is fixedly connected with the base (201); the connecting shaft (410) is arranged below the supporting rod (203) and is rotationally connected with the supporting rod (203); a sliding gear (412) sleeved on the connecting shaft (410), in driving connection with the connecting shaft (410) and meshed with the tooth slot (411); a bearing (413) disposed below the sliding gear (412) and drivingly connected to the connecting shaft (410); a second sliding helical gear (414) arranged below the bearing (413) and in driving connection with the connecting shaft (410); the second transmission shaft (405) is arranged below the tooth slot (411) and is rotationally connected with the base (201); the shaft sleeve (408) is arranged in the middle of the second transmission shaft (405) and is in driving connection with the second transmission shaft (405); the two ends of the limit connecting rod (409) are respectively connected with the corresponding shaft sleeve (408) and the bearing (413) and are respectively connected with the shaft sleeve (408) and the bearing (413) in a rotating way; the second sliding helical gear (414) is arranged in the middle of the second transmission shaft (405), is in driving connection with the second transmission shaft (405), is meshed with the first sliding helical gear (407), and is fixedly connected with the shaft sleeve (408); the second transmission gear (406) is arranged on one side of the second transmission shaft (405) and is in driving connection with the second transmission shaft (405); the driving motor (401) is arranged below the second transmission shaft (405), is fixedly connected with the side part of the base (201), and is electrically connected with the controller (9); the first transmission shaft (402) is arranged below the second transmission shaft (405), one end of the first transmission shaft is in driving connection with the driving motor (401), and the other end of the first transmission shaft is in rotating connection with the base (201); the first transmission gear (403) is arranged on one side of the first transmission shaft (402), is in driving connection with the first transmission shaft (402) and is meshed with the second transmission gear (406); the first lifting bevel gear (404) is arranged in the middle of the first transmission shaft (402) and is in driving connection with the first transmission shaft (402);
the second transmission mechanism (5) comprises: the racks (51) are symmetrically arranged at two sides of the second sliding seat (204) and fixedly connected with the end part of the second sliding seat (204); the sliding sleeves (52) are respectively arranged at the lower parts of the racks (51) and are in sliding connection with the racks (51); the first lifting gears (53) are respectively arranged at the side parts of the racks (51) and meshed with the corresponding racks (51); the first belt wheel (54) is arranged on the side part of the first lifting gear (53), coaxially rotates with the first lifting gear (53) and is fixedly connected with the side part of the first lifting gear (53); a worm wheel (55) vertically arranged between two symmetrically arranged racks (51); the second lifting helical gear (58) is arranged at the upper part of the worm wheel (55), fixedly connected with the upper part of the worm wheel (55) and coaxially rotated with the worm wheel (55); the second lifting gears (56) are symmetrically arranged on two sides of the worm wheel (55) and are in driving connection with the worm wheel (55); the second belt wheel (57) is arranged on the side part of the second lifting gear (56), coaxially rotates with the second lifting gear (56), is fixedly connected with the side part of the second lifting gear (56) and is in transmission connection with the first belt wheel (54) through a belt.
2. The high conversion rate tracking photovoltaic power generation apparatus of claim 1, wherein:
the second slide seat (204) includes: a first pin groove (205) horizontally arranged at the upper part of the second sliding seat (204); a second pin groove (206) horizontally arranged at the lower part of the second sliding seat (204);
the ejector rod (207) comprises: the first pin piece (209) is arranged at the lower part of the ejector rod (207) and is in sliding connection with the first pin groove (205); the second pin piece is arranged at the lower part of the ejector rod (207) and is in sliding connection with the second pin groove (206).
3. The high conversion rate tracking photovoltaic power generation apparatus of claim 1, wherein:
the mounting table (210) outside end is provided with condensing equipment (3), condensing equipment (3) include: the reflector (31) is arranged at the outer side end of the mounting table (210), and the mirror surface direction of the reflector (31) faces outwards; the torsion motor (32) is arranged between the reflector (31) and the mounting table (210), is fixedly connected with the mounting table (210) and is in driving connection with the reflector (31), and the torsion motor (32) is electrically connected with the controller (9).
4. The high conversion rate tracking photovoltaic power generation apparatus of claim 1, wherein:
in the matrix support (2), the transmission ratio of the sliding gears (412) corresponding to different support rods (203) is the distance ratio of the different support rods (203) to the rightmost support rod (203).
5. The high conversion rate tracking photovoltaic power generation apparatus of claim 1, wherein:
the rotation mechanism (6) includes: the first rotating disc (61) is arranged below the matrix support (2) and is fixedly connected with the matrix support (2); the second rotary table (62) is arranged below the second rotary table (62) and is coaxially and rotatably connected with the first rotary table (61); the first rotating gear (63) is arranged above the first rotating disc (61) and is fixedly connected with the first rotating disc (61); the speed reducing motor (65) is arranged above the first rotary table (61) and is electrically connected with the controller (9); the second rotating gear (64) is sleeved on a motor shaft of the speed reducing motor (65), is in driving connection with the speed reducing motor (65), and is meshed with the first rotating gear (63).
6. A method of operating a high conversion rate tracking photovoltaic power plant according to any one of claims 1 to 5, comprising the steps of:
step S1, determining the position of a light source, acquiring longitude and latitude information of the position by a positioning module (7), and calculating by matching with a timer (8) to obtain a real-time solar altitude angle and azimuth angle;
s2, autorotation, a controller (9) controls a gear motor (65) to start, and the first rotating disc (61) is driven to rotate until the angle of the matrix support (2) corresponds to the solar azimuth angle;
step S3, adjusting the inclination angle, if the calculated solar altitude angle rises, controlling a driving motor (401) to rotate positively by a controller (9) to drive a second transmission mechanism (5) to operate positively, driving a push rod (207) to move downwards by a rack (51) to move downwards, reducing the inclination angle of an installation table (210), simultaneously driving a first transmission mechanism (4) to operate positively, driving a support rod (203) to operate rightwards, and reducing the distance between the installation tables (210); if the calculated solar altitude is reduced, the controller (9) controls the driving motor (401) to reversely rotate to drive the second transmission mechanism (5) to reversely run, the rack (51) moves upwards to drive the ejector rod (207) to move upwards, the inclination angle of the mounting table (210) is increased, meanwhile, the first transmission mechanism (4) is driven to reversely run to drive the supporting rod (203) to move leftwards, and the distance between the mounting tables (210) is increased.
7. The method of operating a high conversion rate tracking photovoltaic power plant of claim 6, wherein:
in the step S3, if the solar altitude exceeds a set threshold, the controller (9) controls the torsion motor (32) to start, and the reflector (31) stretches out; the angle adjusting method of the reflector (31) comprises the following steps: when the solar altitude exceeds a set threshold, the higher the solar altitude, the larger the included angle between the reflector (31) and the upper surface of the mounting table (210), and the smaller the solar altitude, the smaller the included angle between the reflector (31) and the upper surface of the mounting table (210); when the solar altitude is lower than a set threshold value, the torsion motor (32) is reversed to enable the reflector (31) to be attached to the lower surface of the mounting table (210).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111623690.2A CN114520622B (en) | 2021-12-28 | 2021-12-28 | Tracking type photovoltaic power generation equipment with high conversion rate and working method thereof |
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| CN202111623690.2A CN114520622B (en) | 2021-12-28 | 2021-12-28 | Tracking type photovoltaic power generation equipment with high conversion rate and working method thereof |
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| CN107491096B (en) * | 2017-08-07 | 2020-08-28 | 西安建筑科技大学 | Efficient tracking type photovoltaic power generation system and matrix |
| KR102265876B1 (en) * | 2021-02-08 | 2021-06-16 | 주식회사 연호 | A multipurpose of smart solar power device |
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