CN112448671A - Solar photovoltaic panel capable of being automatically folded and unfolded in rainy days - Google Patents

Solar photovoltaic panel capable of being automatically folded and unfolded in rainy days Download PDF

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Publication number
CN112448671A
CN112448671A CN202011284031.6A CN202011284031A CN112448671A CN 112448671 A CN112448671 A CN 112448671A CN 202011284031 A CN202011284031 A CN 202011284031A CN 112448671 A CN112448671 A CN 112448671A
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CN
China
Prior art keywords
photovoltaic panel
double
shell
rotating shaft
connecting rod
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Granted
Application number
CN202011284031.6A
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Chinese (zh)
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CN112448671B (en
Inventor
陈�峰
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Shenyang Electric Industry Co ltd
Sheyang Power Supply Branch State Grid Jiangsu Electric Power Co ltd
Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Individual
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Publication of CN112448671B publication Critical patent/CN112448671B/en
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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
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/20—Collapsible or foldable PV modules
    • 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
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • 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
    • 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
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention relates to the technical field of new energy, and discloses a solar photovoltaic panel capable of being automatically folded and unfolded in rainy days, which comprises a support, wherein a first rotating shaft is fixedly installed at the top of the support, a first photovoltaic panel is rotatably installed on the left side of the first rotating shaft, a first connecting rod is hinged to the bottom of the first photovoltaic panel, and a second photovoltaic panel is rotatably installed on the right side of the first rotating shaft; when raining, utilize flourishing water casing, turn into the gravity of push switch slider downstream with the gravity of rainwater, reach the effect of starter motor clockwise rotation, turn into the power that two photovoltaic boards were packed up through transmission with the rotatory power of motor, reached and not needed the manpower, automatic packing up when can raining, rainwater is to the harm on solar photovoltaic board surface when reducing raining, the life-span of improvement photovoltaic board, when the rain stops, the motor anticlockwise rotation, the photovoltaic board is released, photovoltaic board is released when having reached the rain and has stopped, the effect of energy utilization ratio is improved.

Description

Solar photovoltaic panel capable of being automatically folded and unfolded in rainy days
Technical Field
The invention relates to the technical field of new energy, in particular to a solar photovoltaic panel capable of being automatically folded and unfolded in rainy days.
Background
Solar energy is one of the most common and clean new energy, since photovoltaic cells are manufactured in bell laboratories in 1954, solar power generation is widely applied to various fields, and the most common solar power generation device is a solar photovoltaic panel which is made of a conductor material and is generally placed outdoors to receive sunlight and convert the solar energy into electric energy.
Because the solar photovoltaic board is placed outdoors throughout the year, can receive the sun and drench, cause the damage, especially the rainwater can lead to the fact very big harm to the surface of solar photovoltaic board, reduces the life-span of solar photovoltaic board, and prior art's photovoltaic board does not can the rainy day be automatic packs up, and automatic the emitting after the rain stops can lead to the solar photovoltaic board to damage like this, and life reduces, and reduces the utilization ratio of solar energy.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the solar photovoltaic panel capable of being automatically folded and unfolded in rainy days without manpower, and the solar photovoltaic panel can be automatically folded in rainy days and automatically unfolded in rainy stops, so that the service life of the surface of the photovoltaic panel is prolonged, the energy utilization rate is improved, and the problems that the photovoltaic panel cannot be automatically folded in rainy days, and can be automatically released after the rainy stops, rainwater can corrode the surface of the solar photovoltaic panel, the service life of the photovoltaic panel is shortened, and the utilization rate of solar energy is reduced in the prior art are solved.
(II) technical scheme
In order to realize the purposes of automatically folding when raining and automatically opening when stopping raining without manpower, prolonging the service life of the surface of the photovoltaic panel and improving the energy utilization rate, the invention adopts the following technical scheme:
a solar photovoltaic panel capable of being automatically folded and unfolded in rainy days comprises a support, wherein a first rotating shaft is fixedly installed at the top of the support, a first photovoltaic panel is rotatably installed on the left side of the first rotating shaft, a first connecting rod is hinged to the bottom of the first photovoltaic panel, a second photovoltaic panel is rotatably installed on the right side of the first rotating shaft, a second connecting rod is hinged to the bottom of the second photovoltaic panel, a fixed shell is fixedly installed on the front side of the support, and a cavity is formed in the fixed shell;
a first supporting rod is fixedly installed on the inner bottom wall of the fixed shell, a circular shell is hinged to the top of the first supporting rod, a water containing shell is fixedly installed on the left side of the circular shell, a first through hole is formed in the water containing shell, a first permanent magnet is fixedly installed at the bottom of the water containing shell, a second permanent magnet is movably installed below the first permanent magnet, a switch sliding block is fixedly installed at the bottom of the second permanent magnet, and a first double-brake switch sliding groove is formed in the rear wall of the inner cavity of the fixed shell;
a bottom plate is fixedly installed on the inner bottom wall of the fixed shell, a motor is fixedly installed on the right side of the bottom plate, a second rotating shaft is fixedly installed at the output end of the motor, a straight gear is fixedly installed on the outer side of the second rotating shaft, the front end of the straight gear is connected with a rack in a meshed mode, a moving block is fixedly installed at the top of the rack, a switch knob is fixedly installed at the top of the moving block, and a second double-brake switch chute is formed in the front face of the bracket;
the inner bottom wall of the fixed shell is provided with a water leakage hole, the inner top wall of the fixed shell is provided with a water inlet hole, and the inner bottom wall of the fixed shell is provided with a second through hole.
Preferably, one end of the first connecting rod, which is far away from the first photovoltaic panel, is hinged to the left side of the moving block, and one end of the second connecting rod, which is far away from the second photovoltaic panel, is hinged to the right side of the moving block.
Preferably, the first photovoltaic panel and the second photovoltaic panel are symmetrical about the first rotation axis, and the first link and the second link are symmetrical about the moving block.
Preferably, the inlet opening is located flourishing water casing lower extreme's top, the size in hole that leaks is greater than the size of inlet opening, the size of inlet opening is greater than the size of first through-hole, first through-hole is a little higher than flourishing water casing lower extreme, the size of second through-hole with the rack adaptation.
Preferably, the right side fixed mounting of circular casing has the iron plate, the quality of iron plate slightly is greater than flourishing water shell's quality.
Preferably, the switch sliding block is located right below the water containing shell, the length of the second double-gate switch sliding groove is greater than the length of the first connecting rod minus the distance from the first connecting rod hinge to the first rotating shaft, and the length of the rack is greater than the length of the second double-gate switch sliding groove.
Preferably, a lower end circuit of the first double-gate switch chute is connected in series with a circuit of the motor rotating clockwise, the series circuit is connected in parallel with an upper end circuit of the second double-gate switch chute, an upper end circuit of the first double-gate switch chute is connected in series with a circuit of the motor rotating counterclockwise, and the series circuit is connected in parallel with a lower end circuit of the second double-gate switch chute.
(III) advantageous effects
Compared with the prior art, the invention provides the solar photovoltaic panel capable of being automatically folded and unfolded in rainy days, which has the following beneficial effects:
1. this automatic solar photovoltaic board that receive and releases in rainy day, when raining, utilize flourishing water casing, turn into the gravity of push switch slider downstream with the gravity of rainwater, reach the effect of starter motor clockwise rotation, turn into the power that two photovoltaic boards were packed up through transmission with the rotatory power of motor, reached and do not need the manpower, can pack up automatically when raining, the rainwater improves the life-span of photovoltaic board to the harm on solar photovoltaic board surface when reducing raining.
2. This automatic solar photovoltaic board that receive and releases in rainy day, when the rain stops, utilize the attraction of first through-hole water leakage and magnet, realized the switch slider upward movement, make motor counter-clockwise turning, the photovoltaic board is released, has reached the automatic effect of releasing of photovoltaic board when the rain stops, improves energy utilization's effect, utilizes the parallelly connected of first double-gate switch spout and the double-gate switch spout of second simultaneously, has arrived and has prevented the motor jamming, protects the effect of motor.
Drawings
FIG. 1 is a schematic structural view of a solar photovoltaic panel capable of being automatically folded and unfolded in rainy days, which is provided by the invention;
FIG. 2 is a schematic structural diagram of the stationary housing 2
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is an enlarged view at B in FIG. 2;
in the figure: 1. a support; 2. a stationary housing; 3. a cavity; 4. a first support bar; 5. a circular housing; 6. a water containing shell; 7. a first through hole; 8. a first permanent magnet; 9. a second permanent magnet; 10. a switch slider; 11. a first double-gate switch chute; 12. a water leakage hole; 13. a water inlet hole; 14. a base plate; 15. a motor; 16. a second rotating shaft; 17. a spur gear; 18. a rack; 19. a moving block; 20. a switch knob; 21. a second double-gate switch chute; 22. a first rotating shaft; 23. a first photovoltaic panel; 24. a second photovoltaic panel; 25. a first link; 26. a second link; 27. a second via.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the solar photovoltaic panel capable of being automatically folded and unfolded in rainy days comprises a support 1, wherein a first rotating shaft 22 is fixedly installed at the top of the support 1, a first photovoltaic panel 23 is rotatably installed on the left side of the first rotating shaft 22, a first connecting rod 25 is hinged to the bottom of the first photovoltaic panel 23, a second photovoltaic panel 24 is rotatably installed on the right side of the first rotating shaft 22, a second connecting rod 26 is hinged to the bottom of the second photovoltaic panel 24, a fixed shell 2 is fixedly installed on the front side of the support 1, and a cavity 3 is formed in the fixed shell 2;
a first supporting rod 4 is fixedly installed on the inner bottom wall of the fixed shell 2, a circular shell 5 is hinged to the top of the first supporting rod 4, a water containing shell 6 is fixedly installed on the left side of the circular shell 5, a first through hole 7 is formed in the water containing shell 6, a first permanent magnet 8 is fixedly installed at the bottom of the water containing shell 6, a second permanent magnet 9 is movably installed below the first permanent magnet 8, a switch sliding block 10 is fixedly installed at the bottom of the second permanent magnet 9, and a first double-brake switch sliding groove 11 is formed in the rear wall of the inner cavity of the fixed shell 2;
a bottom plate 14 is fixedly installed on the inner bottom wall of the fixed shell 2, a motor 15 is fixedly installed on the right side of the bottom plate 14, a second rotating shaft 16 is fixedly installed at the output end of the motor 15, a straight gear 17 is fixedly installed on the outer side of the second rotating shaft 16, a rack 18 is meshed and connected with the front end of the straight gear 17, a moving block 19 is fixedly installed at the top of the rack 18, a switch knob 20 is fixedly installed at the top of the moving block 19, and a second double-brake switch chute 21 is formed in the front face of the bracket 1;
the inner bottom wall of the fixed shell 2 is provided with a water leakage hole 12, the inner top wall of the fixed shell 2 is provided with a water inlet hole 13, the inner bottom wall of the fixed shell 2 is provided with a second through hole 27, and the size of the second through hole 27 is matched with the rack 18.
The working principle is as follows: when the photovoltaic panel is opened, the switch knob 20 is positioned at the lower end of the second double-gate switch chute 21, the upper end circuit is disconnected, if it rains, because the water inlet hole 13 is positioned above the lowest position of the water containing shell 6, rainwater falls into the water containing shell 6 through the water inlet hole 13, the water containing shell 6 rotates around the circle center of the circular shell 5, because the size of the water inlet hole 13 is larger than that of the first through hole 7, the water inlet amount of the water containing shell 6 is larger than the water leakage amount, the water containing shell 6 slowly rotates to the lowest position, because the switch sliding block 10 is positioned under the water containing shell 6, the rotating force of the water containing shell 6 can make the switch sliding block 10 move to the lower end of the first double-gate switch chute 11, because the lower end circuit of the first double-gate switch chute 11 is connected in series with the clockwise rotating circuit of the motor 15, the series circuit is connected in parallel with the upper end circuit of the second double-gate switch chute 21, the lower end circuit of the first double-brake switch chute 11 is closed, the motor 15 rotates clockwise, the second rotating shaft 16 drives the spur gear 17 to rotate clockwise, the spur gear 17 drives the rack 18 to move upwards through meshing, the rack 18 drives the moving block 19 to move upwards, so that the first connecting rod 25 drives the first photovoltaic panel 23 to rotate clockwise, the second connecting rod 26 drives the second photovoltaic panel 24 to rotate anticlockwise, the moving tracks of the first photovoltaic panel 23 and the second photovoltaic panel 24 are the same as the first photovoltaic panel 23 and the second photovoltaic panel 24 are symmetrical about the first rotating shaft 22 and the first connecting rod 25 and the second connecting rod 26 are symmetrical about the moving block 19, so that the effect of folding the photovoltaic panels can be achieved, the moving block 19 drives the switch knob 20 to move upwards, and the length of the second double-brake switch chute 21 is greater than the length of the first connecting rod 25 minus the distance from the hinge joint of the first connecting rod 25 to the first rotating shaft 22, the length of the rack 18 is greater than that of the second double-gate switch sliding groove 21, when the moving block 19 moves to the uppermost end, the photovoltaic panel is completely retracted, a circuit on the upper end of the second double-gate switch sliding groove 21 is closed, the motor 15 is short-circuited, and the motor 15 stops running.
When the rain stops, the photovoltaic panel is in a closed state, the moving block 19 is positioned at the uppermost end, the circuit at the lower end of the second double-gate switch chute 21 is disconnected, water in the water containing shell 6 can leak out through the first through hole 7, because the right side of the circular shell 5 is fixedly provided with the iron block, the mass of the iron block is slightly larger than that of the water containing shell 6, the water containing shell 6 can slowly rotate to a certain angle, the switch sliding block 10 is driven to move to the upper end of the first double-gate switch chute 11 through the attraction of the magnet, the circuit at the upper end of the first double-gate switch chute 11 is connected with the circuit of the motor 15 rotating anticlockwise in series, the series circuit is connected with the circuit at the lower end of the second double-gate switch chute 21 in parallel, at the moment, the circuit at the lower end of the second double-gate switch chute 21 is disconnected, the circuit at the upper end of the first double-gate switch chute 11 is closed, the motor 15, the rack 18 drives the moving block 19 to move downwards, so that the first connecting rod 25 drives the first photovoltaic panel 23 to rotate anticlockwise, meanwhile, the second connecting rod 26 drives the second photovoltaic panel 24 to rotate anticlockwise and clockwise, so that the photovoltaic panels are opened slowly, when the moving block 19 moves to the lowest end and the photovoltaic panels are completely opened, a circuit on the upper end of the second double-brake switch chute 21 is closed, the motor 15 is short-circuited, and the motor 15 stops running.
To sum up, this automatic solar photovoltaic board that receive and releases in rainy day, when raining, utilize flourishing water casing 6, turn into the gravity of rainwater push switch slider 10 downstream, reach the effect of 15 clockwise rotations of starter motor, turn into the power that two photovoltaic boards packed up through transmission with the rotatory power of 15 motors, reached and do not need the manpower, can pack up when raining automatically, the rainwater improves the life-span of photovoltaic board to the harm on solar photovoltaic board surface when reducing raining. When the rain stops, the switch sliding block 10 moves upwards by utilizing the water leakage of the first through hole 7 and the attraction of the magnet, the motor 15 rotates anticlockwise, the photovoltaic panel is released, the photovoltaic panel is automatically released when the rain stops, the energy utilization rate is improved, and meanwhile, the motor 15 is prevented from being clamped and rotating by utilizing the parallel connection of the first double-gate switch sliding groove 11 and the second double-gate switch sliding groove 21, so that the effect of protecting the motor 15 is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an automatic solar photovoltaic board who receive and releases in rainy day, includes support (1), its characterized in that: a first rotating shaft (22) is fixedly installed at the top of the support (1), a first photovoltaic panel (23) is rotatably installed on the left side of the first rotating shaft (22), a first connecting rod (25) is hinged to the bottom of the first photovoltaic panel (23), a second photovoltaic panel (24) is rotatably installed on the right side of the first rotating shaft (22), a second connecting rod (26) is hinged to the bottom of the second photovoltaic panel (24), a fixed shell (2) is fixedly installed on the front side of the support (1), and a cavity (3) is formed in the fixed shell (2);
a first supporting rod (4) is fixedly installed on the inner bottom wall of the fixed shell (2), a circular shell (5) is hinged to the top of the first supporting rod (4), a water containing shell (6) is fixedly installed on the left side of the circular shell (5), a first through hole (7) is formed in the water containing shell (6), a first permanent magnet (8) is fixedly installed at the bottom of the water containing shell (6), a second permanent magnet (9) is movably installed below the first permanent magnet (8), a switch sliding block (10) is fixedly installed at the bottom of the second permanent magnet (9), and a first double-brake switch sliding groove (11) is formed in the rear wall of the inner cavity of the fixed shell (2);
a bottom plate (14) is fixedly mounted on the inner bottom wall of the fixed shell (2), a motor (15) is fixedly mounted on the right side of the bottom plate (14), a second rotating shaft (16) is fixedly mounted at the output end of the motor (15), a straight gear (17) is fixedly mounted on the outer side of the second rotating shaft (16), a rack (18) is connected to the front end of the straight gear (17) in a meshed mode, a moving block (19) is fixedly mounted at the top of the rack (18), a switch knob (20) is fixedly mounted at the top of the moving block (19), and a second double-brake switch chute (21) is formed in the front of the support (1);
the water leakage hole (12) is formed in the inner bottom wall of the fixed shell (2), the water inlet hole (13) is formed in the inner top wall of the fixed shell (2), and the second through hole (27) is formed in the inner bottom wall of the fixed shell (2).
2. The solar photovoltaic panel capable of being automatically folded and unfolded in rainy days according to claim 1, characterized in that: one end, far away from the first photovoltaic plate (23), of the first connecting rod (25) is hinged to the left side of the moving block (19), and one end, far away from the second photovoltaic plate (24), of the second connecting rod (26) is hinged to the right side of the moving block (19).
3. The solar photovoltaic panel capable of being automatically folded and unfolded in rainy days according to claim 1, characterized in that: the first photovoltaic panel (23) and the second photovoltaic panel (24) are symmetrical with respect to the first rotation axis (22), and the first connecting rod (25) and the second connecting rod (26) are symmetrical with respect to the moving block (19).
4. The solar photovoltaic panel capable of being automatically folded and unfolded in rainy days according to claim 1, characterized in that: the inlet opening (13) is located flourishing water casing (6) the top of minimum, the size in hole that leaks (12) is greater than the size of inlet opening (13), the size of inlet opening (13) is greater than the size of first through-hole (7), first through-hole (7) are higher than flourishing water casing (6) the minimum, the size of second through-hole (27) with rack (18) adaptation.
5. The solar photovoltaic panel capable of being automatically folded and unfolded in rainy days according to claim 1, characterized in that: the right side fixed mounting of circular casing (5) has the iron plate, the quality of iron plate slightly is greater than the quality of flourishing water shell (6).
6. The solar photovoltaic panel capable of being automatically folded and unfolded in rainy days according to claim 1, characterized in that: the switch sliding block (10) is located right below the water containing shell (6), the length of the second double-brake switch sliding groove (21) is larger than the length of the first connecting rod (25) minus the distance from the hinged position of the first connecting rod (25) to the first rotating shaft (22), and the length of the rack (18) is larger than the length of the second double-brake switch sliding groove (21).
7. The solar photovoltaic panel capable of being automatically folded and unfolded in rainy days according to claim 1, characterized in that: the lower end circuit of the first double-gate switch chute (11) is connected with a circuit of the motor (15) rotating clockwise in series, the series circuit is connected with the upper end circuit of the second double-gate switch chute (21) in parallel, the upper end circuit of the first double-gate switch chute (11) is connected with a circuit of the motor (15) rotating anticlockwise in series, and the series circuit is connected with the lower end circuit of the second double-gate switch chute (21) in parallel.
CN202011284031.6A 2020-11-17 2020-11-17 Solar photovoltaic panel capable of being automatically folded and unfolded in rainy days Active CN112448671B (en)

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CN112448671B CN112448671B (en) 2023-08-04

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