CN119093834B - A distributed photovoltaic power station grid-connected protection device - Google Patents
A distributed photovoltaic power station grid-connected protection device Download PDFInfo
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- CN119093834B CN119093834B CN202411267479.5A CN202411267479A CN119093834B CN 119093834 B CN119093834 B CN 119093834B CN 202411267479 A CN202411267479 A CN 202411267479A CN 119093834 B CN119093834 B CN 119093834B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
- B08B11/04—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto specially adapted for plate glass, e.g. prior to manufacture of windshields
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
- F24S30/425—Horizontal axis
-
- 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
-
- 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
-
- 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
-
- 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
- H02S40/10—Cleaning arrangements
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
本发明公开了一种分布式光伏电站并网保护装置，涉及电力系统保护与控制技术领域，包括底座，所述底座的上方设置有调节装置、保护装置和支撑装置；其中，所述调节装置包括旋转电机一、滑槽板、滑块、固定柱、丝杆、支撑杆、连接块一、固定杆、连接块二、安装板、光伏板、卷帘保护板、滑槽块、接收器和旋转电机二，通过调节装置的设置对光伏板的角度进行调节，通过调整光伏板的角度，可以使其更好地面对太阳，最大化光照吸收，提高发电效率，同时实现对光伏板进行保护，在冰雹、强风或极端天气条件下，遮罩可以为光伏板提供额外的保护，减少风沙等自然因素对光伏板的侵蚀。
The present invention discloses a distributed photovoltaic power station grid-connected protection device, which relates to the field of power system protection and control technology, and comprises a base, on which an adjustment device, a protection device and a support device are arranged; wherein the adjustment device comprises a rotating motor 1, a slide plate, a slider, a fixing column, a screw rod, a support rod, a connecting block 1, a fixing rod, a connecting block 2, a mounting plate, a photovoltaic panel, a rolling shutter protection plate, a slide block, a receiver and a rotating motor 2; the angle of the photovoltaic panel is adjusted by setting the adjustment device; by adjusting the angle of the photovoltaic panel, the photovoltaic panel can be better faced to the sun, the light absorption can be maximized, the power generation efficiency can be improved, and the photovoltaic panel can be protected at the same time; under hail, strong wind or extreme weather conditions, the shield can provide additional protection for the photovoltaic panel and reduce the erosion of the photovoltaic panel by natural factors such as wind and sand.
Description
Technical Field
The invention relates to the technical field of power system protection and control, in particular to a grid-connected protection device of a distributed photovoltaic power station.
Background
Distributed photovoltaic power stations refer to a photovoltaic power generation system which is distributed in a power system at a user side and is in grid-connected operation with a power grid, however, the grid-connected operation of the distributed photovoltaic power stations involves a plurality of technical challenges, and one of the technical challenges is grid-connected protection.
The patent with the patent publication number of CN210120516U relates to the technical field of power system protection and control, and in particular relates to a solar photovoltaic panel protection device which comprises a base and a fixing device, wherein a positioning plate is arranged on the top surface of the base, a plurality of clamping grooves are formed in the positioning plate, one end of the base is hinged with the fixing device, a fixing rod is arranged below the fixing device, an inclined rod is hinged on the fixing rod, the fixing device comprises a groove and a protective upper shell, limiting steps are arranged on the left side edge and the right side edge of the groove, clamping blocks are arranged above the limiting steps, protruding portions are further arranged on the left side edge and the right side edge of the groove, concave portions are arranged on two sides of the protective upper shell and can be clamped with the protruding portions on the left side edge and the right side edge of the groove, and the protective upper shell comprises a light-transmitting layer and a protective layer. The photovoltaic module protection device disclosed by the patent can achieve a good protection effect by utilizing the mutual cooperation of the limiting steps, the clamping blocks and the protection upper shell.
In the above patent, a better protection effect can be achieved by utilizing the mutual coordination of the limiting steps, the clamping blocks and the protection upper shell, but the current measuring equipment has the following problems that the angle of the photovoltaic plate directly influences the receiving angle of sunlight, if the angle of the photovoltaic plate is not suitable, the maximum amount of sunlight can not be received at the optimal angle, so that the power generation efficiency of the photovoltaic cell is reduced, and the photovoltaic plate surface can be scratched or worn due to the fact that the protection is not realized under extreme weather such as hail, sand wind and the like, and the photoelectric conversion efficiency of the photovoltaic plate is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a distributed photovoltaic power station grid-connected protection device, which solves the problems in the background art.
The distributed photovoltaic power station grid-connected protection device comprises a base, wherein an adjusting device, a protection device and a supporting device are arranged above the base, the adjusting device comprises a first rotating motor, a sliding groove plate, a sliding block, a fixed column, a screw rod, a supporting rod, a first connecting block, a fixed rod, a second connecting block, a mounting plate, a photovoltaic plate, a rolling shutter protection plate, a sliding groove block, a receiver and a second rotating motor, the first rotating motor is fixedly arranged on the rear side of the base, the sliding groove plate is fixedly arranged on the top of the base, the sliding block is slidably arranged on the inner wall of the sliding groove plate, the fixed column is fixedly arranged on the right side of the sliding block, the fixed column is slidably arranged on the inner wall of the sliding groove plate, the screw rod is fixedly arranged at the output end of the first rotating motor, the screw rod rotates to penetrate through the inner wall of the base, the sliding block is slidably arranged on the circumferential surface of the screw rod, one side of the supporting rod is rotatably arranged on the circumferential surface of the fixed column, one rotating part of the rotating connecting block is rotatably arranged on the other side of the supporting rod, the fixed rod is fixedly arranged on the top of the base, the second rotating motor is fixedly arranged on the inner wall of the sliding groove plate, the first rotating block is fixedly arranged on the top of the connecting block, the rolling shutter protection plate is fixedly arranged on the top of the rotating plate, the rolling shutter protection plate is fixedly arranged on the top of the connecting block, and the rotating plate is fixedly arranged on the top of the rotating plate The angle of the photovoltaic plate is adjusted through the sliding block, the fixed column, the supporting rod, the first connecting block, the mounting plate and the second connecting block.
According to the technical scheme, the spiral groove has been seted up to the circumference of lead screw, slider and spiral groove threaded connection, and the lead screw is rotatory to drive spiral groove rotation, and spiral groove rotation makes the slider along the circumference of lead screw along the forward movement, the inside of mounting panel is provided with pressure sensor, pressure sensor and receiver electric connection, receiver and rotating electrical machines second electric connection, it contacts with the spout piece to roll up the curtain protection shield, receives pressure sensor and carries the signal behind the pressure when receiving external force striking and gives the receiver, and the receiver makes rotating electrical machines second work, and rotating electrical machines second rotation drives and rolls up the curtain protection shield and extend along spout piece inner wall until covering whole photovoltaic board.
According to the technical scheme, protection device includes connecting plate, slide bar, scraper blade and collecting vat, connecting plate fixed mounting is at connecting block an outer wall, connecting plate fixed mounting is at connecting block two outer walls, slide bar slidable mounting is at the spout piece inner wall, scraper blade fixed mounting is in the bottom of slide bar, collecting vat slidable mounting is at the mounting panel inner wall, touches the slide bar through the removal of rolling up curtain protection shield and makes the slide bar remove along the spout piece inner wall, and the slide bar removes and drives the scraper blade and remove, and the scraper blade removes and drives the brush and clean the surface of photovoltaic board.
According to the technical scheme, the bottom of scraper blade is provided with the brush, brush and photovoltaic board contact, be provided with a spring between slide bar and the spout piece, the right side of collecting vat is seted up flutedly, and the impurity of clearance can be transported to the collecting vat through the scraper blade in.
According to the technical scheme, protection device still includes placing block, inserted block, T shape piece, holds the piece, no. two springs and bolt, place piece fixed mounting and be in spout piece inner wall, inserted block slidable mounting is placing the piece inner wall, T shape piece slidable mounting is placing the piece inner wall, it is holding the piece inner wall to accept piece slidable mounting, no. two springs set up between inserted block and accepting the piece, the bolt slides and runs through the inside and outside wall of placing the piece, the front side of inserted block sets up to the inclined plane, makes the inclined plane contact with T shape piece through pressing the bolt and makes T shape piece move right, and T shape piece removes and drives to accept the piece and remove, accepts the piece and remove and to stretch No. two springs, makes No. two springs traction the inserted block remove when stretching to a certain extent for the inserted block loses the spacing to the collecting vat in breaking away from the recess, can take out the collecting vat and handle this moment.
According to the technical scheme, the protection device further comprises a receiving rod and a round rod, the receiving rod is fixedly arranged at the bottom of the connecting plate, the round rod is fixedly arranged at the bottom of the connecting plate, and the receiving rod is driven to rotate through rotation of the connecting plate and meanwhile drives the round rod to move.
According to the technical scheme, strutting arrangement includes dwang, fixed knob one, toggle lever, fixed knob two, dwang and gag lever post, the dwang rotates the inner wall of installing at the draw-in groove board, fixed knob one fixed mounting is in the left side of holding rod, the toggle lever rotates the circumference of installing at fixed knob one, be provided with a torsional spring between toggle lever and the fixed knob one, fixed knob two fixed mounting is in the left side of holding rod, rotate Niu Zhuaidong and install the circumference of fixed knob two, gag lever post fixed mounting rotates Niu Nabi, the spacing groove has been seted up in the left side of dwang, the reset groove has been seted up in the left side of dwang, the draw-in groove has been seted up in the left side of dwang, the toggle groove can be along the dwang upwards sliding when rotating certain angle through the holding rod, drive fixed knob two and remove cooperation dwang, gag lever, fixed knob one, toggle lever, toggle groove, one number, reset groove, torsional spring and the lift the support groove of carrying realization opposite side.
According to the technical scheme, strutting arrangement still includes fixed cylinder, piston piece and No. three springs, fixed cylinder fixed mounting is in the surface of dwang, piston piece fixed mounting is in the bottom of round bar, piston piece slidable mounting is at fixed cylinder inner wall, the slotted hole has been seted up to the bottom of piston piece, no. three springs set up between fixed cylinder and connecting plate, the inside hydraulic oil that is provided with of fixed cylinder, rethread connecting plate rotates downwards and makes round bar downwardly moving cooperation, piston piece, hydraulic oil for hydraulic oil flows in the top of piston piece through the slotted hole, because the slotted hole is so slow down the backward flow speed of hydraulic oil, has slowed down the velocity of movement of round bar promptly, has slowed down the velocity of return of No. three springs promptly, plays the cushioning effect to connecting plate downwardly rotating's velocity.
The invention provides a distributed photovoltaic power station grid-connected protection device. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the adjusting device, the screw rod is driven to rotate through the rotation of the rotating motor to be matched with the spiral groove, the sliding block, the fixed column, the supporting rod, the connecting block I, the mounting plate and the connecting block II, the angle of the photovoltaic plate is adjusted, the photovoltaic plate can better face the sun through the adjustment of the angle, the illumination absorption is maximized, the power generation efficiency is improved, the adjustment can be carried out based on geographic position, seasonal variation and time, so that the optimal energy conversion effect is realized, the mounting plate moves to drive the rolling shutter protection plate to move, when the rolling shutter protection plate is impacted by external force, the pressure sensor receives pressure, then signals are transmitted to the receiver, the receiver enables the rotating motor II to rotate to drive the rolling shutter protection plate to extend along the inner wall of the sliding groove block until the whole photovoltaic plate is covered, the photovoltaic plate is protected, and under hail, strong wind or extreme weather conditions, the cover can provide additional protection for the photovoltaic plate, and corrosion of natural factors such as wind sand and the like to the photovoltaic plate is reduced.
(2) According to the invention, through the arrangement of the protection device, the surface of the photovoltaic panel is cleaned by moving the rolling shutter protection plate to touch the sliding rod, the sliding groove block, the scraping plate and the hairbrush, the cleaning photovoltaic panel can remove dust, bird droppings and other pollutants, and sunlight is ensured to be maximally irradiated on the photovoltaic panel, so that the power generation efficiency of the photovoltaic panel is improved, corrosion and abrasion of photovoltaic panel materials are reduced, cleaned impurities can be transported to the collecting tank through the scraping plate, the collecting tank can be taken out for processing by pressing the bolt to match the T-shaped block, the bearing block, the second spring and the inserting block, and the collecting tank is more conveniently inspected and cleaned by quick disassembly and installation, and the normal operation and the cleanliness of the collecting tank are maintained.
(3) According to the invention, through the arrangement of the supporting device, the supporting device can slide upwards along the rotating rod when rotating to a certain angle, at the moment, the fixed button II is driven to move to match the rotating button, the limiting rod, the fixed button I, the poking rod, the poking groove, the first torsion spring, the reset groove, the lifting groove and the lifting groove on the other side, so that the supporting of the connecting plate is realized, the round rod is downwards moved to match, the piston block and hydraulic oil through the downward rotation of the connecting plate, the hydraulic oil flows into the upper part of the piston block through the slotted hole, the return speed of the hydraulic oil is slowed down because the slotted hole is smaller, namely the moving speed of the round rod is slowed down, namely the reset speed of the third spring is slowed down, the buffering effect is realized on the downward rotation speed of the connecting plate, and after the angle of the photovoltaic plate is regulated, the supporting device can provide necessary stability for the photovoltaic plate, prevent the photovoltaic plate from shifting or tilting under the action of wind force, rainwater or other external force, and the safety and reliability of the system are ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the position structure of the runner plate and the rotating rod according to the present invention;
FIG. 3 is a schematic view of a partial cross-sectional structure of an adjusting device according to the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure of a protection device according to the present invention;
FIG. 5 is an enlarged schematic view of the structure A of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the positioning structure of the placement block and the chute block according to the present invention;
FIG. 7 is a schematic view of the position of the collecting tank according to the present invention;
FIG. 8 is a schematic view of a partial cross-sectional structure of a supporting device according to the present invention;
FIG. 9 is a schematic view of the position structure of the rotating rod of the present invention;
fig. 10 is an enlarged schematic view of the B structure of fig. 9 according to the present invention.
In the figure, 1, a base; 10, a first rotating motor, 11, a sliding groove plate, 12, a sliding block, 13, a fixed column, 14, a lead screw, 15, a supporting rod, 16, a first connecting block, 17, a fixed rod, 18, a second connecting block, 19, a mounting plate, 110, a photovoltaic panel, 111, a roller shutter protection plate, 112, a sliding groove block, 113, a receiver, 114, a second rotating motor, 20, a connecting plate, 21, a sliding rod, 22, a scraping plate, 23, a collecting groove, 24, a placing block, 25, an inserting block, 26, a T-shaped block, 27, a receiving block, 28, a second spring, 29, a bolt, 210, a receiving rod, 211, a round rod, 30, a rotating rod, 31, a first fixed button, 32, a toggle rod, 33, a second fixed button, 34, a rotating button, 35, a limiting rod, 36, a fixed cylinder, 37, a piston block, 38 and a third spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, one embodiment of the present invention is as follows: the utility model provides a distributed photovoltaic power plant protection device that is incorporated into power networks, including base 1, the top of base 1 is provided with adjusting device, adjusting device includes rotating electrical machines 10, the draw runner plate 11, slider 12, fixed column 13, lead screw 14, bracing piece 15, connecting block one 16, dead lever 17, connecting block two 18, mounting panel 19, photovoltaic board 110, rolling screen protection board 111, spout piece 112, receiver 113 and rotating electrical machines two 114, rotating electrical machines 10 fixed mounting is in the rear side of base 1, draw runner plate 11 fixed mounting is at the top of base 1, slider 12 slidable mounting is in draw runner plate 11 inner wall, fixed column 13 fixed mounting is in slider 12 right side, fixed column 13 slidable mounting is in draw runner plate 11 inner wall, lead screw 14 fixed mounting is at the output of rotating electrical machines one 10, lead screw 14 rotates and runs through base 1 inner and outer wall, slider 12 slidable mounting is in lead screw 14's periphery, one side of the supporting rod 15 is rotatably arranged on the circumferential surface of the fixed column 13, the first connecting block 16 is rotatably arranged on the surface of the other side of the supporting rod 15, the fixed rod 17 is fixedly arranged on the top of the base 1, the second connecting block 18 is rotatably arranged on the inner wall of the fixed rod 17, the mounting plate 19 is fixedly arranged on the top of the first connecting block 16, the mounting plate 19 is fixedly arranged on the top of the second connecting block 18, the photovoltaic panel 110 is arranged on the top of the mounting plate 19, the roller shutter protection plate 111 is arranged on the inner wall of the mounting plate 19, the chute block 112 is fixedly arranged on the top of the mounting plate 19, the receiver 113 is fixedly arranged on the top of the chute block 112, the second rotating motor 114 is fixedly arranged on the right side of the mounting plate 19, the roller shutter protection plate 111 is arranged at the output end of the second rotating motor 114, the angle of the photovoltaic panel 110 can be adjusted to better face the sun, the illumination absorption is maximized, the power generation efficiency is improved, and the adjustment can be performed based on geographic position, seasonal variation and time so as to realize the optimal energy conversion effect.
The screw groove has been seted up to the circumference of lead screw 14, slider 12 and screw groove threaded connection, and the inside of mounting panel 19 is provided with pressure sensor, pressure sensor and receiver 113 electric connection, and receiver 113 and rotating electrical machines two 114 electric connection, rolling shutter protection shield 111 and spout piece 112 contact realize protecting photovoltaic board 110, under hail, strong wind or extreme weather condition, the shade can provide extra protection for photovoltaic board 110, reduces the erosion of natural factors such as sand wind to photovoltaic board 110.
The protection device comprises a connecting plate 20, a sliding rod 21, a scraping plate 22 and a collecting groove 23, wherein the connecting plate 20 is fixedly arranged on the outer wall of a first connecting block 16, the connecting plate 20 is fixedly arranged on the outer wall of a second connecting block 18, the sliding rod 21 is slidably arranged on the inner wall of a sliding groove block 112, the scraping plate 22 is fixedly arranged at the bottom of the sliding rod 21, the collecting groove 23 is slidably arranged on the inner wall of a mounting plate 19, the cleaning photovoltaic panel 110 can remove pollutants such as dust, bird droppings and the like, the sunlight is ensured to be maximally irradiated on the photovoltaic panel 110, so that the power generation efficiency is improved, the corrosion and abrasion of materials of the photovoltaic panel 110 are reduced, and cleaned impurities can be transported into the collecting groove 23 through the scraping plate 22.
The bottom of scraper blade 22 is provided with the brush, and the brush is contacted with photovoltaic board 110, is provided with a spring between slide bar 21 and the spout piece 112, drives slide bar 21 through the spring that sets up and resets, and the right side of collecting vat 23 is seted up flutedly.
When the embodiment works, the first rotating motor 10 rotates to drive the screw rod 14 to rotate, the screw rod 14 rotates to drive the spiral groove to rotate, the spiral groove rotates to enable the sliding block 12 to move forwards along the circumferential surface of the screw rod 14, the sliding block 12 moves to drive the fixed column 13 to move, the fixed column 13 moves to drive the supporting rod 15 to rotate upwards, the supporting rod 15 rotates to drive the first connecting block 16 to rotate upwards, the first connecting block 16 moves to drive the mounting plate 19 to rotate upwards, the mounting plate 19 rotates to drive the second connecting block 18 to rotate, meanwhile, the photovoltaic plate 110 is driven to move, the angle of the photovoltaic plate 110 is adjusted, the photovoltaic plate 110 can face the sun better, the illumination absorption is maximized, the power generation efficiency is improved, the adjustment can be performed based on geographic position, seasonal variation and time, to achieve the best energy conversion effect, the mounting plate 19 moves to drive the roller shutter protection plate 111 to move, meanwhile, the chute block 112 is driven to move, the rotating motor II 114 is also driven to move, the chute block 112 is driven to move to drive the receiver 113 to move, when the pressure sensor is pressed by external force, signals are transmitted to the receiver 113, the receiver 113 enables the rotating motor II 114 to work, the rotating motor II 114 rotates to drive the roller shutter protection plate 111 to extend along the inner wall of the chute block 112 until the whole photovoltaic plate 110 is covered, so that the photovoltaic plate 110 is protected, and under hail, strong wind or extreme weather conditions, the cover can provide additional protection for the photovoltaic plate 110, and corrosion of natural factors such as sand wind and the like to the photovoltaic plate 110 is reduced.
Referring to fig. 1-10, in another embodiment of the present invention, a protection device and a supporting device are disposed above the base 1, the protection device further includes a placement block 24, an insertion block 25, a T-shaped block 26, a receiving block 27, a No. two spring 28 and a plug 29, the placement block 24 is fixedly mounted on an inner wall of the chute block 112, the insertion block 25 is slidably mounted on an inner wall of the placement block 24, the T-shaped block 26 is slidably mounted on an inner wall of the placement block 24, the receiving block 27 is slidably mounted on an inner wall of the placement block 24, the No. two spring 28 is disposed between the insertion block 25 and the receiving block 27, the insertion block is driven to reset by the No. two spring 28, the plug 29 slidably penetrates through an inner wall and an outer wall of the placement block 24, and a front side of the insertion block 25 is provided as an inclined plane, so that the inspection and cleaning of the collecting tank 23 become more convenient and the maintenance of the normal operation and cleanliness are facilitated.
The protection device further comprises a receiving rod 210 and a round rod 211, the receiving rod 210 is fixedly arranged at the bottom of the connecting plate 20, the round rod 211 is fixedly arranged at the bottom of the connecting plate 20, and the connecting plate 20 can be supported in an auxiliary mode through the receiving rod 210 and the round rod 211.
The supporting device comprises a rotating rod 30, a first fixed button 31, a toggle rod 32, a second fixed button 33, a rotating button 34 and a limiting rod 35, wherein the rotating rod 30 is rotatably arranged on the inner wall of the sliding groove plate 11, the first fixed button 31 is fixedly arranged on the left side of the bearing rod 210, the toggle rod 32 is rotatably arranged on the circumferential surface of the first fixed button 31, a first torsion spring is arranged between the toggle rod 32 and the first fixed button 31, the toggle rod 32 is driven to reset through the first torsion spring, the second fixed button 33 is fixedly arranged on the left side of the bearing rod 210, the rotating button 34 is rotatably arranged on the circumferential surface of the second fixed button 33, the limiting rod 35 is fixedly arranged on the inner wall of the rotating button 34, a limiting groove is formed in the left side of the rotating rod 30, the limiting rod 35 is in contact with the limiting groove, a lifting groove is formed in the left side of the rotating button 34, the toggle groove is formed in the left side of the rotating button 34, and the supporting device can provide necessary stability for the photovoltaic plate 110, prevent the photovoltaic plate from shifting or tilting under the action of wind force, or other external force, and the safety and reliability of the system are ensured.
The supporting device further comprises a fixed cylinder 36, a piston block 37 and a third spring 38, wherein the fixed cylinder 36 is fixedly arranged on the surface of the rotating rod 30, the piston block 37 is fixedly arranged at the bottom of the round rod 211, the piston block 37 is slidably arranged on the inner wall of the fixed cylinder 36, a slotted hole is formed in the bottom of the piston block 37, the third spring 38 is arranged between the fixed cylinder 36 and the connecting plate 20, buffering is achieved through the arranged third spring 38, hydraulic oil is arranged in the fixed cylinder 36, and the moving speed of the round rod 211 is slowed down, namely the resetting speed of the third spring 38 is slowed down.
When the embodiment works, the sliding rod 21 is enabled to move along the inner wall of the sliding groove block 112 by touching the sliding rod 21 through the movement of the rolling shutter protection plate 111, the sliding rod 21 moves to drive the scraping plate 22 to move, the scraping plate 22 moves to drive the hairbrush to clean the surface of the photovoltaic panel 110, the cleaning photovoltaic panel 110 can remove dust, bird droppings and other pollutants, the sunlight is ensured to be maximally irradiated on the photovoltaic panel 110, thereby improving the power generation efficiency, reducing the corrosion and abrasion of the material of the photovoltaic panel 110, the cleaned impurities can be transported into the collecting tank 23 through the scraping plate 22, the T-shaped block 26 moves rightwards by pressing the bolt 29 by touching the inclined surface of the T-shaped block 26, the T-shaped block 26 moves to drive the bearing block 27 to move, the bearing block 27 moves to stretch the No. two spring 28, when the second spring 28 is stretched to a certain extent to lead the insert block 25 to move, so that the insert block 25 is separated from the groove and the limit of the collecting groove 23 is lost, the collecting groove 23 can be taken out for treatment, when the collecting groove 23 is installed, the collecting groove 23 is inserted into the inner wall of the mounting plate 19, the front end of the collecting groove 23 can be contacted with the inclined surface of the insert block 25 to lead the insert block 25 to move towards the inside of the placing block 24 and compress the second spring 28, when the groove and the insert block 25 are in the same level, the second spring 28 is released and drives the insert block 25 to be inserted into the groove, at this time, the installation of the collecting groove 23 can be completed, and the quick disassembly and the installation enable the inspection and the cleaning of the collecting groove 23 to be more convenient, thereby being beneficial to keeping the normal operation and the cleaning of the collecting groove;
The rotation of the connecting plate 20 drives the connecting rod 210 to rotate and simultaneously drives the round rod 211 to move, the round rod 211 moves and simultaneously drives the piston block 37 to move, and simultaneously drives the spring number three 38 to stretch, the connecting rod 210 rotates and drives the rotating rod 30 to rotate, and simultaneously drives the fixed cylinder 36 to rotate, when the connecting rod 210 rotates to a certain angle, the connecting rod 30 slides upwards, at the same time drives the fixed button two 33 to move, the fixed button two 33 moves and drives the rotating button 34 to move, the rotating button 34 moves and drives the limiting rod 35 to move into the next limiting groove along the limiting groove, support is achieved when the connecting rod 210 slides, the connecting rod 210 moves and simultaneously drives the fixed button one 31 to move, the fixed button one 31 moves and drives the toggle rod 32 to move, the toggle rod 32 collides through the toggle groove and resets through the torsion spring, when the limiting rod 35 moves to contact with the reset groove, the limiting rod 35 moves upwards, the limiting rod 35 moves in parallel with the connecting rod 210 and simultaneously drives the rotating button 34 to move parallel with the connecting rod 210, the toggle rod 32 is inserted into the lifting groove, the rotating button 34 moves to the limiting rod 34 to move downwards, the piston block 34 moves downwards along the limiting groove, the limiting groove is kept in contact with the piston block 37, the sliding groove is set up, the piston block 37 is kept in contact with the sliding groove, and the sliding groove is released from the sliding groove is made to move downwards, the piston block 37, the piston block is contacted with the piston block 37, and moves downwards, the piston rod is contacted with the piston rod 35, and moves downwards, and moves down through the sliding groove, when the piston rod 35, and moves down, and moves the piston rod 34, and moves down is contacted with the piston rod 35, and moves parallel rod 34 and moves parallel. Because the slotted hole is smaller, the return speed of hydraulic oil is slowed down, namely the moving speed of the round rod 211 is slowed down, namely the reset speed of the third spring 38 is slowed down, the downward rotating speed of the connecting plate 20 is buffered, after the angle of the photovoltaic panel 110 is adjusted, the supporting device can provide necessary stability for the photovoltaic panel 110, prevent the photovoltaic panel 110 from shifting or tilting under the action of wind force, rainwater or other external force, and ensure the safety and reliability of the system.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The grid-connected protection device of the distributed photovoltaic power station comprises a base (1) and is characterized in that an adjusting device, a protection device and a supporting device are arranged above the base (1);
Wherein the adjusting device comprises a rotating motor I (10), a chute plate (11), a sliding block (12), a fixed column (13), a screw rod (14), a supporting rod (15), a connecting block I (16), a fixed rod (17), a connecting block II (18), a mounting plate (19), a photovoltaic plate (110), a rolling shutter protection plate (111), a chute block (112), a receiver (113) and a rotating motor II (114), the rotating motor I (10) is fixedly arranged at the rear side of a base (1), the chute plate (11) is fixedly arranged at the top of the base (1), the sliding block (12) is slidably arranged on the inner wall of the chute plate (11), the fixed column (13) is fixedly arranged at the right side of the sliding block (12), the fixed column (13) is slidably arranged on the inner wall of the chute plate (11), the screw rod (14) is fixedly arranged at the output end of the rotating motor I (10), the screw rod (14) rotates to penetrate through the inner and outer wall of the base (1), the sliding block (12) is slidably arranged on the circumferential surface of the screw rod (14), one side of the supporting rod (15) is slidably arranged at the top of the base (1), one side of the rotating column (15) is fixedly arranged at the top of the fixed column (16), the photovoltaic device comprises a first connecting block (18), a second connecting block (18), a first rotating motor (114), a second rotating motor (114), a first connecting block (16), a second connecting block (18), a first rotating motor (114) and a second rotating motor (114), wherein the second connecting block is rotatably arranged on the inner wall of a fixed rod (17), the first connecting block (19) is fixedly arranged on the top of the first connecting block (16), the first connecting block (18) is fixedly arranged on the top of the second connecting block (18), the photovoltaic panel (110) is arranged on the top of the first connecting block (19), the second rolling shutter protection plate (111) is arranged on the inner wall of the first connecting block (19), the first sliding block (112) is fixedly arranged on the top of the first connecting block (19), the second rotating motor (114) is fixedly arranged on the right side of the first connecting block (19), and the second rolling shutter protection plate (111) is arranged at the output end of the second rotating motor (114).
The protection device comprises a connecting plate (20), a sliding rod (21), a scraping plate (22) and a collecting groove (23), wherein the connecting plate (20) is fixedly arranged on the outer wall of a first connecting block (16), the bottom of the connecting plate (20) is fixedly arranged on the outer wall of a second connecting block (18), the sliding rod (21) is slidably arranged on the inner wall of a sliding groove block (112), the scraping plate (22) is fixedly arranged at the bottom of the sliding rod (21), and the collecting groove (23) is slidably arranged on the inner wall of a mounting plate (19);
The protection device further comprises a receiving rod (210) and a round rod (211), wherein the receiving rod (210) is fixedly arranged at the bottom of the connecting plate (20), and the round rod (211) is fixedly arranged at the bottom of the connecting plate (20);
the supporting device comprises a rotating rod (30), a fixed button I (31), a stirring rod (32), a fixed button II (33), a rotating button (34) and a limiting rod (35), wherein the rotating rod (30) is rotationally arranged on the inner wall of a sliding groove plate (11), the fixed button I (31) is fixedly arranged on the left side of a receiving rod (210), the stirring rod (32) is rotationally arranged on the circumferential surface of the fixed button I (31), a first torsion spring is arranged between the stirring rod (32) and the fixed button I (31), the fixed button II (33) is fixedly arranged on the left side of the receiving rod (210), the rotating button (34) is rotationally arranged on the circumferential surface of the fixed button II (33), the limiting rod (35) is fixedly arranged on the inner wall of the rotating button (34), a limiting groove is formed in the left side of the rotating rod (30), the limiting rod (35) is in contact with the limiting groove, and a pulling groove is formed in the left side of the rotating rod (34).
2. The distributed photovoltaic power station grid-connected protection device according to claim 1, wherein a spiral groove is formed in the circumferential surface of the screw rod (14), the sliding block (12) is in threaded connection with the spiral groove, a pressure sensor is arranged in the mounting plate (19), the pressure sensor is electrically connected with the receiver (113), the receiver (113) is electrically connected with the rotating motor II (114), and the roller shutter protection plate (111) is in contact with the sliding groove block (112).
3. The grid-connected protection device of the distributed photovoltaic power station according to claim 1, wherein a brush is arranged at the bottom of the scraping plate (22), the brush is in contact with the photovoltaic panel (110), a spring is arranged between the sliding rod (21) and the sliding groove block (112), and a groove is formed in the right side of the collecting groove (23).
4. A distributed photovoltaic power station grid-connected protection device according to claim 3, further comprising a placement block (24), an insertion block (25), a T-shaped block (26), a bearing block (27), a second spring (28) and a plug pin (29), wherein the placement block (24) is fixedly installed on the inner wall of the sliding groove block (112), the insertion block (25) is slidably installed on the inner wall of the placement block (24), the T-shaped block (26) is slidably installed on the inner wall of the placement block (24), the bearing block (27) is slidably installed on the inner wall of the placement block (24), the second spring (28) is arranged between the insertion block (25) and the bearing block (27), the plug pin (29) is slidably penetrated through the inner wall and the outer wall of the placement block (24), and the front side of the insertion block (25) is provided with an inclined plane.
5. The distributed photovoltaic power station grid-connected protection device according to claim 1, wherein the supporting device further comprises a fixed cylinder (36), a piston block (37) and a third spring (38), the fixed cylinder (36) is fixedly arranged on the surface of the rotating rod (30), the piston block (37) is fixedly arranged at the bottom of the round rod (211), the piston block (37) is slidably arranged on the inner wall of the fixed cylinder (36), a slotted hole is formed in the bottom of the piston block (37), the third spring (38) is arranged between the fixed cylinder (36) and the connecting plate (20), and hydraulic oil is arranged inside the fixed cylinder (36).
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| CN202411267479.5A CN119093834B (en) | 2024-09-11 | 2024-09-11 | A distributed photovoltaic power station grid-connected protection device |
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| CN202411267479.5A CN119093834B (en) | 2024-09-11 | 2024-09-11 | A distributed photovoltaic power station grid-connected protection device |
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| CN119093834B true CN119093834B (en) | 2025-05-06 |
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| CN202411267479.5A Active CN119093834B (en) | 2024-09-11 | 2024-09-11 | A distributed photovoltaic power station grid-connected protection device |
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| CN120128054B (en) * | 2025-04-03 | 2026-02-27 | 江苏中宏鑫新能源科技有限公司 | A photovoltaic support system for a solar power station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115765597A (en) * | 2022-12-07 | 2023-03-07 | 联桥科技有限公司 | A photovoltaic power station that automatically tracks sunlight |
| CN220492902U (en) * | 2023-03-02 | 2024-02-13 | 宣威芯无疆智能科技有限公司 | Distributed photovoltaic power station grid-connected protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115459686A (en) * | 2022-09-15 | 2022-12-09 | 苏州莉娅旭科技有限公司 | Protection device of photovoltaic solar panel |
| CN220711392U (en) * | 2023-08-03 | 2024-04-02 | 贺瑞 | Photovoltaic panel support device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115765597A (en) * | 2022-12-07 | 2023-03-07 | 联桥科技有限公司 | A photovoltaic power station that automatically tracks sunlight |
| CN220492902U (en) * | 2023-03-02 | 2024-02-13 | 宣威芯无疆智能科技有限公司 | Distributed photovoltaic power station grid-connected protection device |
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