CN114050776A - Photovoltaic power generation device and photovoltaic power generation system - Google Patents
Photovoltaic power generation device and photovoltaic power generation system Download PDFInfo
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- CN114050776A CN114050776A CN202111319670.6A CN202111319670A CN114050776A CN 114050776 A CN114050776 A CN 114050776A CN 202111319670 A CN202111319670 A CN 202111319670A CN 114050776 A CN114050776 A CN 114050776A
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- 238000010248 power generation Methods 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000013016 damping Methods 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 2
- 210000004712 air sac Anatomy 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000004065 semiconductor Substances 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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- 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
- H02S40/30—Electrical components
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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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Abstract
The application relates to a photovoltaic power generation device and a photovoltaic power generation system, which comprise a supporting plate, a photosensitive assembly and an angle adjusting assembly, wherein the photosensitive assembly comprises a photovoltaic plate, the angle adjusting assembly comprises an expansion piece, the photovoltaic panel is rotationally connected with the supporting plate through the photovoltaic panel, the telescopic piece is arranged between the supporting plate and the photovoltaic panel, one end of the telescopic piece is connected with the photovoltaic panel, the other end of the telescopic piece is rotationally connected with the supporting plate, the telescopic piece can extend or contract along the longitudinal direction of the telescopic piece, in the process of extending or contracting along the longitudinal direction of the telescopic piece, the photovoltaic panel rotates relative to the supporting plate, and the other end of the telescopic piece also rotates relative to the supporting plate, and then the angle of the included angle between the photovoltaic panel and the horizontal plane is adjusted, so that the photovoltaic panel can be opposite to sunlight, and the problems that the angle of the photovoltaic panel in the photovoltaic power generation device in the prior art is inconvenient to adjust and the solar radiation quantity cannot be fully obtained are finally solved.
Description
Technical Field
The application relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation device and a photovoltaic power generation system.
Background
The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing a photovoltaic effect of a semiconductor interface, mainly comprises a solar panel, a controller and an inverter, and mainly comprises electronic components, solar cells are connected in series and then packaged and protected to form a large-area solar cell module, and then the photovoltaic power generation device is formed by matching with components such as a power controller and the like.
The solar energy is fixed on the solar panel, the angle between the photovoltaic panel and the horizontal plane in the photovoltaic power generation device needs to be changed at any time to obtain the maximum solar energy radiant quantity, and the angle of the photovoltaic panel in the photovoltaic power generation device in the prior art is inconvenient to adjust and cannot fully obtain the solar energy radiant quantity.
Disclosure of Invention
Therefore, it is necessary to provide a photovoltaic power generation apparatus and a photovoltaic power generation system for solving the problems in the prior art that the angle of a photovoltaic panel in the photovoltaic power generation apparatus is inconvenient to adjust and the solar radiation amount cannot be sufficiently obtained.
The embodiment of the application provides a photovoltaic power generation device, includes: a support plate; the photosensitive assembly comprises a photovoltaic panel, and the photovoltaic panel is rotationally connected to the supporting plate so that the photovoltaic panel can rotate around a preset axis relative to the supporting plate; the angle adjustment subassembly is located between backup pad and the photovoltaic board, and the angle adjustment subassembly includes the extensible member, and the photovoltaic board is connected to the one end of extensible member, and the other end of extensible member rotates to be connected in the backup pad, and the extensible member is configured and can be followed its lengthwise extending direction extension or shrink to make the photovoltaic board rotate around predetermineeing the axis and change contained angle between photovoltaic board and the horizontal plane.
In one embodiment, the photosensitive assembly further comprises a controller and a photoelectric sensor which are arranged on the photovoltaic panel; the controller is electrically connected with the photoelectric sensor, and the photoelectric sensor is configured to be capable of receiving an illumination angle signal; the controller is configured to be able to generate an execution command to extend or retract the telescopic member in its lengthwise extension direction, depending on the signal received by the photoelectric sensor.
In one embodiment, the telescopic part comprises a cylinder body rotatably connected to the supporting plate, a piston arranged in the cylinder body along the longitudinal direction of the cylinder body, and connecting rods respectively connected to the piston and the photovoltaic panel; the piston is configured to be capable of extending or retracting the telescopic member in a lengthwise extension direction thereof in response to air pressure within the cylinder.
In one embodiment, the angle adjustment assembly further comprises an air bag; the air bag is provided with a second containing cavity communicated with the cylinder body.
In one embodiment, the angle adjusting assembly further comprises a connecting pipe connected between the cylinder and the air bag, and an electromagnetic valve arranged on the connecting pipe; the solenoid valve is configured to control on-off between the first accommodating cavity and the second accommodating cavity, and further control movement of the piston.
In one embodiment, the device further comprises a rotating shaft which is connected to the bottom of the supporting plate and is vertical to the supporting plate, and a driving piece; one end of the rotating shaft, which is far away from the supporting plate, is connected with the driving piece in a transmission way; the driving member is configured to drive the rotation shaft to rotate.
In one embodiment, the rotating shaft is sleeved with a first transmission gear; the output end of the driving piece is provided with a second transmission gear which is meshed with the first transmission gear so as to drive the second transmission gear to rotate relative to the first transmission gear.
In one embodiment, the damping device further comprises a box body and a damping plate; a third accommodating cavity is formed in the box body, and non-Newtonian fluid is filled in the third accommodating cavity; the damping plate is connected in the one end that the backup pad was kept away from to the axis of rotation, and the damping plate is located the third and is held the intracavity.
In one embodiment, the damping plate is provided in plurality; the plurality of damping plates are arranged at one end of the rotating shaft far away from the supporting plate in an annular array by taking the axis of the rotating shaft as a center.
The embodiment of the present application further provides a photovoltaic power generation system, including: such as the photovoltaic power generation device described above.
The photovoltaic power generation device and the photovoltaic power generation system comprise a support plate, a photosensitive assembly and an angle adjusting assembly, wherein the photosensitive assembly comprises a photovoltaic plate, the angle adjusting assembly comprises an expansion piece, the photovoltaic panel is rotationally connected with the supporting plate through the photovoltaic panel, the telescopic piece is arranged between the supporting plate and the photovoltaic panel, one end of the telescopic piece is connected with the photovoltaic panel, the other end of the telescopic piece is rotationally connected with the supporting plate, the telescopic piece can extend or contract along the longitudinal direction of the telescopic piece, in the process of extending or contracting along the longitudinal direction of the telescopic piece, the photovoltaic panel rotates relative to the supporting plate, and the other end of the telescopic piece also rotates relative to the supporting plate, and then the angle of the included angle between the photovoltaic panel and the horizontal plane is adjusted, so that the photovoltaic panel can be opposite to sunlight, and the problems that the angle of the photovoltaic panel in the photovoltaic power generation device in the prior art is inconvenient to adjust and the solar radiation quantity cannot be fully obtained are finally solved.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic power generation apparatus provided in an embodiment of the present application;
fig. 2 is a schematic partial structural diagram of a photovoltaic power generation apparatus provided in an embodiment of the present application;
fig. 3 is a cross-sectional view of an expansion member of a photovoltaic power generation apparatus provided in an embodiment of the present application;
fig. 4 is a partial cross-sectional view of a photovoltaic power generation device provided in an embodiment of the present application.
Wherein: 100. a support plate; 200. a photosensitive assembly; 210. a photovoltaic panel; 211. a connecting plate; 212. an accommodating space; 213. a connecting seat; 214. a connecting shaft; 300. an angle adjustment assembly; 310. a telescoping member; 311. a barrel; 312. a piston; 313. a connecting rod; 314. a first accommodating chamber; 320. an air bag; 330. a connecting pipe; 340. an electromagnetic valve; 400. a rotating shaft; 410. reinforcing ribs; 420. a drive shaft; 430. a connecting shaft; 500. a drive member; 510. a first drive gear; 520. a second transmission gear; 530. a third transmission gear; 540. a fourth transmission gear; 600. a box body; 610. a third accommodating chamber; 700. a damping plate; 800. a base; 810. and a fourth accommodating cavity.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The solar energy is fixed on the solar panel, the angle between the photovoltaic panel and the horizontal plane in the photovoltaic power generation device needs to be changed at any time to obtain the maximum solar energy radiant quantity, and the angle of the photovoltaic panel in the photovoltaic power generation device in the prior art is inconvenient to adjust and cannot fully obtain the solar energy radiant quantity.
Fig. 1 is a schematic structural diagram of a photovoltaic power generation apparatus provided in an embodiment of the present application.
As shown in fig. 1, an embodiment of the present application provides a photovoltaic power generation apparatus, including a support plate 100, a photosensitive assembly 200, and an angle adjustment assembly 300, where the photosensitive assembly 200 includes a photovoltaic panel 210, the photovoltaic panel 210 may be circular or square in shape, the photovoltaic panel 210 is rotatably connected to the support plate 100, so that the photovoltaic panel 210 can rotate around a preset axis relative to the support plate 100, the angle adjustment assembly 300 is located between the support plate 100 and the photovoltaic panel 210, the angle adjustment assembly 300 includes an expansion member 310, one end of the expansion member 310 is connected to the photovoltaic panel 210, the other end of the expansion member 310 is rotatably connected to the support plate 100, and the expansion member 310 is configured to extend or contract along a lengthwise extension direction thereof, so that the photovoltaic panel 210 rotates around the preset axis to change an included angle between the photovoltaic panel 210 and a horizontal plane.
Photovoltaic power generation device in the embodiment of this application rotates through photovoltaic board 210 and connects in backup pad 100, extensible member 310 is located between backup pad 100 and the photovoltaic board 210, photovoltaic board 210 is connected to extensible member 310's one end, extensible member 310's the other end rotates joint support board 100, extensible member 310 can extend or contract along its lengthwise direction, extensible member 310 extends or contracts in-process along its lengthwise direction, photovoltaic board 210 rotates for backup pad 100, simultaneously extensible member 310's the other end also rotates for backup pad 100, and then adjust the angle of contained angle between photovoltaic board 210 and the horizontal plane, make photovoltaic board 210 just to the sunlight, the inconvenient regulation of the angle of photovoltaic board 210 among the photovoltaic power generation device among the prior art has finally been solved, can not fully obtain the problem of solar energy radiant quantity.
Fig. 2 is a schematic structural diagram of a portion of a photovoltaic power generation apparatus provided in an embodiment of the present application.
As shown in fig. 2, the photovoltaic panel 210 is provided with two connection plates 211, the connection plates 211 are provided on one side of the photovoltaic panel 210 close to the support plate 100, the two connection plates 211 are oppositely provided, to form a receiving space 212, a first connecting hole (not shown) is formed on the connecting plate 211, a connecting seat 213 is formed on one side of the supporting plate 100 close to the photovoltaic panel 210, one end of the connecting seat 213 is connected to the supporting plate 100, the other end is disposed in the receiving space 212, a second connecting hole (not shown) is formed on the connecting seat 213, the second connecting hole is disposed in the receiving space 212, the second connecting hole penetrates through opposite sides of the connecting seat 213, a connecting shaft 214 sequentially penetrates through the first connecting hole and the second connecting hole, so as to rotatably connect the connection plate 211 and the connection seat 213, so that the photovoltaic panel 210 can rotate around the axis of the connection shaft 214, thereby realizing the rotational connection between the photovoltaic panel 210 and the support plate 100.
As shown in fig. 1, when the rotation of the earth and the revolution around the sun cause the change of the solar time angle per day and the four seasons declination angle, the incident angle of the solar light on the solar cell panel fixedly installed is changed at every moment, in order to measure the incident angle of the solar light, so that the photovoltaic power generation apparatus in the embodiment of the present application obtains the maximum solar radiation amount, and the power generation efficiency is improved, the photosensitive assembly 200 further includes a controller (not shown) and a photoelectric sensor (not shown) disposed on the photovoltaic panel 210, the controller is electrically connected to the photoelectric sensor, the photoelectric sensor is configured to receive the light angle signal, the controller is configured to generate an execution command according to the signal received by the photoelectric sensor, so as to extend or retract the extensible member 310 along the longitudinal extension direction thereof, and during the extension or retraction of the extensible member 310 along the longitudinal extension direction thereof, the photovoltaic panel 210 rotates relative to the support plate 100, and the other end of the telescopic member 310 also rotates relative to the support plate 100, so that the angle of the included angle between the photovoltaic panel 210 and the horizontal plane is adjusted, the photovoltaic panel 210 can be opposite to sunlight, the maximum solar radiation amount is obtained, and the power generation efficiency is improved.
Fig. 3 is a cross-sectional view of an expansion piece of a photovoltaic power generation device provided in an embodiment of the present application.
As shown in fig. 1 and 3, the telescopic member 310 includes a cylinder 311, a piston 312 and a connecting rod 313, the cylinder 311 is rotatably connected to the support plate 100, the piston 312 is disposed in the cylinder 311, two ends of the connecting rod 313 are respectively connected to the piston 312 and the photovoltaic panel 210, the piston 312 is configured to be capable of extending or contracting the telescopic member 310 along a longitudinal extension direction thereof in response to an air pressure in the cylinder 311, specifically, a first accommodating chamber 314 is disposed on the cylinder 311 along the longitudinal direction of the cylinder 311, the piston 312 is disposed in the first accommodating chamber 314, and the piston 312 is configured to be capable of moving along a center line direction of the first accommodating chamber 314 in response to the air pressure in the first accommodating chamber 314, when a liquid or a gas is filled in the first accommodating chamber 314, the liquid may be a lubricating oil, the gas may be a nitrogen gas, under the action of the liquid or air pressure, the piston 312 may move upward along the center line direction of the first accommodating chamber 314, in order to drive the extension of connecting rod 313, when liquid or gaseous outflow in the first chamber 314 that holds, piston 312 can be followed the central line direction down removal of first chamber 314 that holds, in order to drive the shrink of connecting rod 313, at the flexible in-process of connecting rod 313, photovoltaic board 210 rotates for backup pad 100, barrel 311 rotates for backup pad 100, and then the angle of contained angle between adjustment photovoltaic board 210 and the horizontal plane, extensible member 310 can be equipped with a plurality ofly, a plurality of extensible member 310 intervals are located between photovoltaic board 210 and backup pad 100, concrete design, can make nimble change according to actual conditions, do not restrict here.
The angle adjustment assembly 300 further includes an air bag 320, the air bag 320 is provided with a second receiving chamber (not shown in the figures) communicated with the cylinder 311, specifically, the first receiving chamber 314 of the cylinder 311 is communicated with the second receiving chamber, so that the fluid in the first receiving chamber 314 and the fluid in the second receiving chamber can be communicated with each other, when the first receiving chamber 314 needs to be filled with the fluid, the fluid in the second receiving chamber can flow into the first receiving chamber 314, so that the connecting rod 313 extends, the liquid in the first receiving chamber 314 can also flow into the second receiving chamber, so that the connecting rod 313 contracts, and the air bag 320 can be an elastic air bag.
In order to control the connection and disconnection between the cylinder 311 and the second accommodating cavity, the angle adjustment assembly 300 further includes a connection pipe 330 connected between the cylinder 311 and the air bag 320, and a solenoid valve 340 disposed on the connection pipe 330, the solenoid valve 340 is configured to control the connection and disconnection between the cylinder 311 and the second accommodating cavity, and further control the movement of the piston 312, in other embodiments, the solenoid valve 340 is electrically connected to a controller to control the on and off of the solenoid valve 340, when the solenoid valve 340 is opened, the cylinder 311 and the second accommodating cavity are communicated, and under the action of hydraulic pressure or air pressure, the piston 312 can move along the lengthwise extending direction of the cylinder 311, and further drive the connection rod 313 to extend or contract, when the connection rod 313 extends, the fluid in the second accommodating cavity will be drawn into the cylinder 311, when the connection rod 313 shortens, the fluid in the cylinder 311 will be squeezed into the second accommodating cavity, and further adjust the angle between the photovoltaic panel 210 and the horizontal plane, after the adjustment is finished, the electromagnetic valve 340 is closed, and the connecting rod 313 cannot extend or shorten at the moment, so that the photovoltaic panel 210 is fixed, and the photovoltaic panel 210 can have a strong wind-resistant effect.
Fig. 4 is a partial cross-sectional view of a photovoltaic power generation device provided in an embodiment of the present application.
As shown in fig. 4, the photovoltaic power generation apparatus in the embodiment of the present application further includes a rotation shaft 400 connected to the bottom of the supporting plate 100 and perpendicular to the supporting plate 100, and a driving member 500, where the driving member 500 may be a motor, one end of the rotation shaft 400 far from the supporting plate 100 is connected to the driving member 500 in a transmission manner, and the driving member 500 is configured to drive the rotation shaft 400 to rotate, and the rotation of the rotation shaft 400 can drive the rotation of the supporting plate 100, and because the supporting plate 100 is connected to the photovoltaic plate 210, further driving the rotation of the photovoltaic plate 210, the rotation of the photovoltaic plate 210 can enable the photovoltaic plate 210 to absorb sunlight more sufficiently, so as to improve the power generation efficiency.
For the connection effect between reinforcing support plate 100 and axis of rotation 400, be equipped with strengthening rib 410 between support plate 100 and the axis of rotation 400, strengthening rib 410's shape is right triangle, the bottom of the lengthwise extending direction perpendicular to support plate 100 of axis of rotation 400 to form the right angle, two right-angle sides of strengthening rib 410 are connected respectively in the bottom of support plate 100 and the side of axis of rotation 400, strengthening rib 410 is equipped with a plurality ofly, the one end of axis of rotation 400 is located as central annular array to a plurality of strengthening ribs 410.
The photovoltaic power generation device in the embodiment of the present application further includes a base 800, a fourth accommodating cavity 810 is provided in the base 800, one end of the rotating shaft 400 is connected to the supporting plate 100, the other end of the rotating shaft is at least partially disposed in the fourth accommodating cavity 810, the driving member 500 is provided with a driving shaft 420, and the driving shaft 420 is also disposed in the fourth accommodating cavity 810.
The other end of the rotating shaft 400 is sleeved with a first transmission gear 510, the output end of the driving member 500 is provided with a second transmission gear 520 meshed with the first transmission gear 510, so as to drive the second transmission gear 520 to rotate relative to the first transmission gear 510, and the first transmission gear 510 and the second transmission gear 520 are both arranged in the fourth accommodating cavity 810.
The driving member 500 is fixedly connected to a side of the base 800 far from the fourth accommodating chamber 810, the driving shaft 420 is disposed at one end of the fourth accommodating chamber 810 and is in transmission connection with the third transmission gear 530, when the driving member 500 works, the driving member 500 drives the third transmission gear 530 to rotate through the driving shaft 420, the third transmission gear 530 is meshed with the fourth transmission gear 540, so that the third transmission gear 530 drives the fourth transmission gear 540 to rotate, the second transmission gear 520 is coaxially connected with the fourth transmission gear 540 through the connecting shaft 430, so that the fourth transmission gear 540 drives the second transmission gear 520 to rotate, because the first transmission gear 510 is meshed with the second transmission gear 520, the second transmission gear 520 drives the first transmission gear 510 to rotate, so that the first transmission gear 510 drives the rotating shaft 400 to rotate, and finally the rotating shaft 400 drives the photovoltaic panel 210 to rotate, and meanwhile, the number of teeth of the fourth transmission gear 540 is greater than that of the third transmission gear 530, the number of teeth of the first transmission gear 510 is greater than that of the second transmission gear 520, so that the whole transmission process has a speed reduction effect, and the rotating speed of the photovoltaic panel 210 is reduced.
The photovoltaic power generation apparatus in the embodiment of the present application further includes a case 600 and a damping plate 700, the case 600 is fixedly disposed in a fourth accommodating chamber 810, a third accommodating chamber 610 is disposed in the case 600, the third accommodating chamber 610 is filled with a non-newtonian fluid, an opening communicating with the third accommodating chamber 610 is further disposed in the case 600, one end of the rotating shaft 400 away from the supporting plate 100 is disposed in the third accommodating chamber 610 through the opening, one end of the rotating shaft 400 away from the supporting plate 100 is disposed in the third accommodating chamber 610, the third accommodating chamber 610 is in a sealed state, the damping plate 700 is connected to one end of the rotating shaft 400 away from the supporting plate 100, the damping plate 700 is disposed in the third accommodating chamber 610, the damping plate 700 may be disposed in plural numbers, the plural damping plates 700 are disposed at one end of the rotating shaft 400 away from the supporting plate 100 in an annular array with an axis of the rotating shaft 400 as a center, because the third accommodating chamber 610 is filled with the non-newtonian fluid, when the rotating shaft 400 rotates, the rotating shaft 400 drives the damping plate 700 to rotate together, the non-Newtonian fluid can block the rotation of the damping plate 700 in the rotating process of the damping plate 700, so that the damping plate 700 can only rotate slowly, and finally the situation that the photovoltaic plate 210 rotates due to wind force scraping is avoided.
As shown in fig. 1, the embodiment of the present application further provides a photovoltaic power generation system, which includes the above-mentioned photovoltaic power generation apparatus, and includes a support plate 100, a photosensitive assembly 200 and an angle adjustment assembly 300, the photosensitive assembly 200 includes a photovoltaic panel 210, the angle adjustment assembly 300 includes an expansion member 310 rotatably connected to the support plate 100 through the photovoltaic panel 210, the expansion member 310 is disposed between the support plate 100 and the photovoltaic panel 210, one end of the expansion member 310 is connected to the photovoltaic panel 210, the other end of the expansion member 310 is rotatably connected to the support plate 100, the expansion member 310 can extend or contract along the longitudinal direction thereof, during the extension or contraction of the expansion member 310 along the longitudinal direction thereof, the photovoltaic panel 210 rotates relative to the support plate 100, and meanwhile, the other end of the expansion member 310 also rotates relative to the support plate 100, thereby adjusting the angle between the photovoltaic panel 210 and the horizontal plane, so that the photovoltaic panel 210 can face the sunlight, finally, the problem that the angle of the photovoltaic panel 210 in the photovoltaic power generation device in the prior art is inconvenient to adjust and the solar radiation quantity cannot be fully obtained is solved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A photovoltaic power generation apparatus, characterized by comprising:
a support plate;
the photosensitive assembly comprises a photovoltaic panel, and the photovoltaic panel is rotationally connected to the supporting plate so that the photovoltaic panel can rotate around a preset axis relative to the supporting plate;
the angle adjustment subassembly is located the backup pad with between the photovoltaic board, the angle adjustment subassembly includes the extensible member, the one end of extensible member is connected the photovoltaic board, the other end of extensible member rotate connect in the backup pad, the extensible member is configured and can be followed its lengthwise extending direction extension or shrink, so that the photovoltaic board winds it rotates and changes to predetermine the axis contained angle between photovoltaic board and the horizontal plane.
2. The photovoltaic power generation device according to claim 1, wherein the photosensitive assembly further comprises a controller and a photoelectric sensor arranged on the photovoltaic panel;
the controller is electrically connected with the photoelectric sensor, and the photoelectric sensor is configured to be capable of receiving an illumination angle signal;
the controller is configured to be able to generate an execution command to extend or retract the telescopic member in a lengthwise extension direction thereof according to a signal received by the photoelectric sensor.
3. The photovoltaic power generation device according to claim 1, wherein the expansion member comprises a cylinder rotatably connected to the support plate, a piston disposed in the cylinder in a longitudinal direction of the cylinder, and a connecting rod connected to the piston and the photovoltaic plate, respectively;
the piston is configured to be capable of extending or retracting the telescoping member in a direction of longitudinal extension thereof in response to air pressure within the barrel.
4. The photovoltaic power generation device of claim 3, wherein the angle adjustment assembly further comprises an air bladder; the air bag is provided with a second containing cavity communicated with the cylinder body.
5. The photovoltaic power generation device according to claim 4, wherein the angle adjustment assembly further comprises a connecting pipe connected between the cylinder and the airbag, and an electromagnetic valve provided on the connecting pipe;
the solenoid valve is configured to control on-off between the cylinder and the second accommodating cavity, and further control movement of the piston.
6. The photovoltaic power generation device according to claim 1, further comprising a rotation shaft connected to a bottom of the support plate and perpendicular to the support plate, and a driving member;
one end of the rotating shaft, which is far away from the supporting plate, is in transmission connection with the driving piece;
the driving piece is configured to drive the rotating shaft to rotate.
7. The photovoltaic power generation device according to claim 6, wherein the rotating shaft is sleeved with a first transmission gear;
and a second transmission gear meshed with the first transmission gear is arranged at the output end of the driving piece so as to drive the second transmission gear to rotate relative to the first transmission gear.
8. The photovoltaic power generation device according to claim 6, further comprising a case and a damping plate;
a third containing cavity is formed in the box body, and non-Newtonian fluid is filled in the third containing cavity;
the damping plate is connected in the axis of rotation is kept away from the one end of backup pad, just the damping plate is located the third holds the intracavity.
9. The photovoltaic power generation device according to claim 8, wherein the damping plate is provided in plurality;
the damping plates are arranged at one end, far away from the supporting plate, of the rotating shaft in an annular array mode by taking the axis of the rotating shaft as the center.
10. A photovoltaic power generation system, comprising: a photovoltaic power generation device according to any one of claims 1 to 9.
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