CN114189205A - Self-cleaning solar power generation output direct current grid-connected device and use method thereof - Google Patents
Self-cleaning solar power generation output direct current grid-connected device and use method thereof Download PDFInfo
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- CN114189205A CN114189205A CN202111421332.3A CN202111421332A CN114189205A CN 114189205 A CN114189205 A CN 114189205A CN 202111421332 A CN202111421332 A CN 202111421332A CN 114189205 A CN114189205 A CN 114189205A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 92
- 238000010248 power generation Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 238000002347 injection Methods 0.000 claims description 71
- 239000007924 injection Substances 0.000 claims description 71
- 238000004804 winding Methods 0.000 claims description 18
- 238000005507 spraying Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 239000007921 spray Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- 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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- 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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- Cleaning In General (AREA)
Abstract
The invention discloses a self-cleaning solar power generation output direct current grid-connected device which comprises an installation support, wherein an installation plate is fixedly connected to the installation support, a photovoltaic plate is fixedly installed on the top surface of the installation plate, a slidable cleaning plate is installed on the top surface of the installation plate through a sliding assembly, the cleaning plate is of a hollow structure, and a plurality of water spray holes are formed in the side surface of the cleaning plate. The invention also discloses a using method of the self-cleaning solar power generation output direct current grid-connected device, which comprises the steps that the plurality of axial flow fan blades are driven to rotate by airflow when the airflow flows through the plurality of axial flow fan blades, the screw rods are driven to rotate when the plurality of axial flow fan blades rotate, and the like. The photovoltaic panel cleaning device can automatically clean the light receiving surface of the photovoltaic panel, avoid hot spot effect of the photovoltaic panel, avoid cleaning the photovoltaic panel through manpower or large machinery, realize automatic cleaning of the photovoltaic panel, reduce cleaning cost and ensure cleaning effect.
Description
Technical Field
The invention relates to the technical field of solar power generation grid connection, in particular to a self-cleaning solar power generation output direct current grid connection device and a using method thereof.
Background
The solar grid-connected power generation system converts solar energy into electric energy, directly sends the electric energy to a power grid through a grid-connected inverter without storing the energy by a storage battery, feeds the generated energy into the power grid, takes the power grid as an energy storage device, saves the storage battery, and can reduce the construction investment by 35 to 45 percent compared with an independent solar photovoltaic system, thereby greatly reducing the power generation cost, saving the storage battery, avoiding the secondary pollution of the storage battery, and improving the mean time between failures of the system.
At present, the photovoltaic industry of China mainly focuses on large photovoltaic power stations, the environment is severe, sand dust exists mostly, a large amount of dust can be accumulated on the surface of a photovoltaic panel in long-term actual operation, the problems that the light transmittance of the photovoltaic panel is lowered, the temperature of the photovoltaic panel is raised and the like can be caused by the dust accumulation, a hot spot effect is formed, if the temperature generated by the hot spot effect exceeds a certain limit, welding spots on a battery assembly can be melted and grid lines can be damaged, the whole solar battery assembly is scrapped, huge economic loss is generated, the mechanical device at the current stage has the problems that operation of professionals is needed, cost is high, the general purpose is poor and the like, an artificial cleaning mode is often adopted in the actual operation process, time and labor are consumed, and therefore, a self-cleaning type solar power generation output direct current grid-connected device and a using method thereof are needed to be designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a self-cleaning solar power generation output direct current grid-connected device and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a self-cleaning solar power generation output direct current grid-connected device and a using method thereof comprise a mounting bracket, wherein the mounting bracket is fixedly connected with a mounting plate, the top surface of the mounting plate is fixedly provided with a photovoltaic panel, the top surface of the mounting plate is provided with a slidable cleaning plate through a sliding assembly, the cleaning plate is of a hollow structure, the side surface of the cleaning plate is provided with a plurality of water spraying holes, the side surface of the cleaning plate is also bonded with brush hair, and the mounting bracket is fixedly connected with a water storage tank and an assembling block;
the side surface of the water storage tank is provided with an air supply mechanism, and the air supply mechanism is used for generating air flow;
the assembling block is provided with a gas storage mechanism which is used for storing and releasing airflow;
the assembly block is provided with a water injection mechanism which is used for providing water flow for the cleaning plate;
the assembling block is provided with a driving mechanism, and the driving mechanism is used for driving the cleaning plate to move;
and the assembly block is provided with a locking mechanism and a control mechanism, and the locking mechanism and the control mechanism are jointly used for resetting the cleaning plate.
As a preferred technical scheme of the invention, the sliding assembly comprises four fixing plates, two sliding rods and two sliding blocks, wherein the four fixing plates are respectively and fixedly connected to four corners of the top surface of the mounting plate, the two sliding rods are respectively and fixedly connected between the two fixing plates on the same side, the two sliding blocks are respectively sleeved on the two sliding rods in a sliding manner, and the two sliding blocks are respectively and fixedly connected to two ends of the bottom surface of the cleaning plate.
As a preferred technical scheme of the invention, the air supply mechanism comprises an air supply tank, a screw rod, a plurality of axial flow fan blades, an air supply plate and an annular air bag, the air supply tank is fixedly connected to the side surface of the water storage tank, one end of the screw rod is rotatably connected with the inner bottom surface of the air supply tank, the other end of the screw rod extends to the outside of the air supply tank, the axial flow fan blades are fixedly connected to one end of the screw rod positioned at the outside of the air supply tank, the air supply plate is sleeved on the screw rod in a threaded manner, one surface of the annular air bag is bonded to the inner bottom surface of the air supply tank, and the other surface of the annular air bag is bonded to the bottom surface of the air supply plate;
the annular air bag is fixedly communicated with two air pipes, and the two air pipes are provided with check valves.
As a preferred technical scheme of the invention, the gas storage mechanism comprises a gas storage cavity, two first rods, a gas storage plate and two first springs, the gas storage cavity is arranged on the assembly block, the gas storage plate is connected to the inner surface of the gas storage cavity in a sealing and sliding manner, the two first rods are fixedly connected to the inner surface of the gas storage cavity, the two first rods penetrate through the gas storage plate, one ends of the two first springs are connected with the inner surface of the gas storage cavity, and the other ends of the two first springs are connected with the top surface of the gas storage plate;
the gas storage cavity is communicated with one end of one of the gas pipes far away from the gas supply box.
As a preferred technical scheme of the invention, the water injection mechanism comprises a water injection cavity, a water injection plate, two second rods, two second springs and an air leakage hole, the water injection cavity is formed in the assembly block, the two second rods are fixedly connected to the inner surface of the water injection cavity, the water injection plate is sleeved on the two second rods in a sliding mode, one ends of the two second springs are connected with the inner surface of the water injection cavity, and the other ends of the two second springs are connected with the top surface of the water injection plate;
the inner surface of the water injection cavity is fixedly communicated with a three-way pipe, one end, far away from the water injection cavity, of the three-way pipe is communicated with the gas storage cavity, a pressure valve is installed at one end, close to the gas storage cavity, of the three-way pipe, and a one-way valve is installed at one end, close to the water injection cavity, of the three-way pipe.
As a preferred technical scheme of the invention, the driving mechanism comprises a cavity, a cylinder, a plurality of driving fan blades, a rotating shaft, a winding roller and a traction wire, wherein the cavity is arranged on the assembly block, one end of the rotating shaft is rotatably connected to the inner surface of the cavity, the other end of the rotating shaft extends to the outside of the cavity, the cylinder is fixedly sleeved on the rotating shaft, the plurality of driving fan blades are fixedly connected to the outer edge of the cylinder, the winding roller is fixedly connected with one end of the rotating shaft, which is positioned outside the cavity, one end of the traction wire is fixedly wound on the winding roller, and the other end of the traction wire is connected with one of the sliding blocks;
the other end of the three-way pipe is communicated with the cavity, and the communicated part of the three-way pipe and the cavity is arranged right opposite to one of the driving fan blades.
As a preferred technical scheme of the invention, the locking mechanism comprises a ratchet wheel, a pawl, an assembly plate, a leaf spring and an electromagnetic sheet, the ratchet wheel is fixedly sleeved on the rotating shaft, the pawl is rotatably connected to the inner surface of the cavity, the pawl and the ratchet wheel are mutually meshed, the assembly plate is fixedly connected to the inner surface of the cavity, one end of the leaf spring is fixedly connected to the side surface of the assembly plate, the other end of the leaf spring is attached to the outer edge of the pawl, and the electromagnetic sheet is fixedly mounted on the assembly plate.
As a preferred technical scheme of the invention, the control mechanism comprises a control cavity, two control plates, two conductive blocks, a control magnetic block and two driving magnetic blocks, the control cavity is arranged on the assembly block, the two control plates are both arranged in the control cavity, the inner surface of the control cavity is fixedly connected with a guide rod, one of the control plates is fixedly connected to the guide rod, the other control plate is slidably sleeved on the guide rod, the two conductive blocks are respectively and fixedly connected to the mutually adjacent side surfaces of the two control plates, the control magnetic block is embedded on the gas storage plate, and the two driving magnetic blocks are respectively embedded at the upper end and the lower end of the slidable control plate;
and the two conductive blocks are electrically connected with the electromagnetic sheet.
A self-cleaning solar power generation output direct current grid-connected device comprises the following use methods:
when the airflow passes through the axial flow fan blades, the axial flow fan blades are driven to rotate, and the axial flow fan blades drive the screw rod to rotate so as to drive the air supply plate to reciprocate up and down along the screw rod and continuously extrude the annular air bag, and the annular air bag continuously pumps the air into the air storage cavity;
the gas enters the gas storage cavity, the gas storage plate gradually moves downwards, when the air pressure below the gas storage plate reaches the threshold value of a pressure valve on the three-way pipe, the pressure valve is opened, and the air in the gas storage cavity is sprayed into the water injection cavity and the cavity through the three-way pipe;
when the gas is sprayed into the cavity through the three-way pipe, the gas blows the plurality of driving fan blades to rotate, then the barrel, the rotating shaft and the winding roller are driven to rotate, one end of a traction wire is wound on the winding roller, and the other end of the traction wire can pull the cleaning plate to move upwards;
the water injection board is extruded when gas gets into the water injection intracavity portion, makes the water injection board remove downwards, extrudees the inside of cleaning plate to the rainwater of water injection intracavity when the water injection board moves downwards, accomplishes the cleanness to photovoltaic board.
The invention has the following beneficial effects:
1. by arranging the cleaning plate, the air supply mechanism, the air storage mechanism and the driving mechanism, the cleaning plate can periodically move up and down under the mutual matching action of the air supply mechanism, the air storage mechanism and the driving mechanism, and in the process of moving up and down, the soft bristles on the bottom surface of the cleaning plate can brush down garbage attached to the light receiving surface of the photovoltaic plate, so that the light receiving surface of the photovoltaic plate is automatically cleaned, the photovoltaic plate is prevented from generating hot spot effect, the photovoltaic plate is not required to be cleaned manually or by a large machine, the automatic cleaning of the photovoltaic plate can be realized, the cleaning cost is reduced, and the cleaning effect is ensured;
2. by arranging the water storage tank and the water injection mechanism, under the matching action of the water storage tank and the water supply mechanism, in the process that the cleaning plate moves upwards, the water supply mechanism can pump rainwater into the cleaning plate, the rainwater can be sprayed on the light receiving surface of the photovoltaic plate through the plurality of water spraying holes, the rainwater can flush dust and other dirt on the light receiving surface of the photovoltaic plate, and meanwhile, the cleaning effect on the photovoltaic plate can be further improved by matching the action of the soft bristles;
3. through setting up locking mechanism and control mechanism, under locking mechanism and control mechanism's mating reaction, can prevent that the in-process of cleaning plate rebound from dropping down under the action of self gravity, can guarantee the clean effect to the photovoltaic board.
Drawings
FIG. 1 is a schematic structural diagram of a self-cleaning solar power generation output DC grid-connected device according to the present invention;
FIG. 2 is a schematic structural diagram of a cleaning plate in the self-cleaning solar power generation output DC grid-connected device according to the present invention;
FIG. 3 is an enlarged view of a structure at the position A of the self-cleaning solar power generation output direct current grid-connected device provided by the invention;
FIG. 4 is a schematic structural diagram of an air supply mechanism in the self-cleaning solar power generation output DC grid-connected device provided by the invention;
FIG. 5 is a schematic structural diagram of an assembly block in the self-cleaning solar power generation output DC grid-connected device according to the present invention;
FIG. 6 is an enlarged view of a structure at a position B of the self-cleaning solar power generation output direct current grid-connected device provided by the invention;
FIG. 7 is an enlarged view of a structure at a position C of the self-cleaning solar power generation output direct current grid-connected device provided by the invention;
fig. 8 is a schematic structural diagram of a locking mechanism in a self-cleaning solar power generation output direct current grid-connected device provided by the invention.
In the figure: the device comprises a mounting bracket 1, a mounting plate 2, a photovoltaic plate 3, a cleaning plate 4, a water spray hole 5, a sliding assembly 6, a fixing plate 61, a sliding rod 62, a sliding block 63, a water storage tank 7, an assembly block 8, an air supply mechanism 9, an air supply tank 91, a lead screw 92, axial flow fan blades 93, an air supply plate 94, an annular air bag 95, an air storage mechanism 10, an air storage chamber 101, a first rod 102, an air storage plate 103, a first spring 104, a water injection mechanism 11, a water injection chamber 111, a water injection plate 112, a second rod 113, a second spring 114, an air leakage hole 115, a driving mechanism 12, a chamber 121, a cylinder 122, a driving fan blade 123, a rotating shaft 124, a winding roller 125, a traction wire 126, a locking mechanism 13, a ratchet wheel 131, a pawl 132, an assembly plate 133, a leaf spring 134, an electromagnetic sheet 135, a control mechanism 14, a control chamber 141, a control plate 142, a control plate 143, a control block 144 and a driving magnetic block 145.
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.
Referring to fig. 1-8, a self-cleaning solar power generation output direct current grid-connected device and a using method thereof, the self-cleaning solar power generation output direct current grid-connected device comprises a mounting support 1, a mounting plate 2 is fixedly connected to the mounting support 1, a photovoltaic plate 3 is fixedly mounted on the top surface of the mounting plate 2, a slidable cleaning plate 4 is mounted on the top surface of the mounting plate 2 through a sliding assembly 6, the cleaning plate 4 is of a hollow structure, a plurality of water spray holes 5 are formed in the side surface of the cleaning plate 4, the plurality of water spray holes 5 are distributed on the bottom surface of the cleaning plate 4 at equal intervals, water flow can be uniformly sprayed on a light receiving surface of the photovoltaic plate 3 through the arrangement, the cleaning effect on the photovoltaic plate 3 is guaranteed, brush hair is further bonded to the side surface of the cleaning plate 4 and made of a soft material, the brush hair can be prevented from damaging the photovoltaic plate 3 through the arrangement, and a water storage tank 7 and an assembling block 8 are fixedly connected to the mounting support 1;
the side surface of the water storage tank 7 is provided with an air supply mechanism 9, and the air supply mechanism 9 is used for generating air flow;
the assembling block 8 is provided with a gas storage mechanism 10, and the gas storage mechanism 10 is used for storing and releasing airflow;
the assembly block 8 is provided with a water injection mechanism 11, and the water injection mechanism 11 is used for providing water flow for the cleaning plate 4;
the assembly block 8 is provided with a driving mechanism 12, and the driving mechanism 12 is used for driving the cleaning plate 4 to move;
the assembly block 8 is provided with a locking mechanism 13 and a control mechanism 14, and the locking mechanism 13 and the control mechanism 14 are used for resetting the cleaning plate 4.
Referring to fig. 3, the sliding assembly 6 includes four fixing plates 61, two sliding rods 62 and two sliding blocks 63, the four fixing plates 61 are respectively and fixedly connected to four corners of the top surface of the mounting plate 2, the two sliding rods 62 are respectively and fixedly connected between the two fixing plates 61 on the same side, the two sliding blocks 63 are respectively and slidably sleeved on the two sliding rods 62, the two sliding blocks 63 are respectively and fixedly connected to two ends of the bottom surface of the cleaning plate 4, and the sliding assembly 6 has a limiting effect on the movement of the cleaning plate 4.
Referring to fig. 4, the air supply mechanism 9 includes an air supply box 91, a lead screw 92, a plurality of axial flow fan blades 93, an air supply plate 94 and an annular air bag 95, the air supply box 91 is fixedly connected to the side of the water storage box 7, one end of the lead screw 92 is rotatably connected to the inner bottom surface of the air supply box 91, the other end of the lead screw 92 extends to the outside of the air supply box 91, the axial flow fan blades 93 are fixedly connected to one end of the lead screw 92 located outside the air supply box 91, the axial flow fan blades 93 are circumferentially and equidistantly distributed on the lead screw 92 to facilitate the rotation of the lead screw 92, the air supply plate 94 is sleeved on the lead screw 92 in a threaded manner, the cross section of the air supply plate 94 and the cross section of the air supply box 91 are both rectangular, the side of the air supply plate 94 is attached to the inner surface of the air supply box 91, the arrangement can prevent the lead screw 92 from driving the air supply plate 94 to rotate when rotating, so that the air supply plate 94 can only move up and down along the lead screw 92, one surface of the annular air bag 95 is attached to the inner bottom surface of the air supply box 91, the other side of the annular air bag 95 is bonded to the bottom surface of the air supply plate 94;
fixed intercommunication has two trachea on the annular gasbag 95, all installs the check valve on two trachea, and the current-limiting direction of two check valves is opposite.
Referring to fig. 5, the gas storage mechanism 10 comprises a gas storage cavity 101, two first rods 102, a gas storage plate 103 and two first springs 104, wherein the gas storage cavity 101 is arranged on the assembly block 8, the gas storage plate 103 is connected to the inner surface of the gas storage cavity 101 in a sealing and sliding manner, the two first rods 102 are fixedly connected to the inner surface of the gas storage cavity 101, the two first rods 102 penetrate through the gas storage plate 103, the two first rods 102 can limit the gas storage plate 103, one ends of the two first springs 104 are connected with the inner surface of the gas storage cavity 101, and the other ends of the two first springs 104 are connected with the top surface of the gas storage plate 103;
the air storage chamber 101 communicates with one end of one of the air tubes remote from the air supply chamber 91.
Referring to fig. 5, the water injection mechanism 11 includes a water injection cavity 111, a water injection plate 112, two second rods 113, two second springs 114 and a gas leakage hole 115, the water injection cavity 111 is arranged on the assembly block 8, the two second rods 113 are both fixedly connected to the inner surface of the water injection cavity 111, the water injection plate 112 is slidably sleeved on the two second rods 113, the side surface of the water injection plate 112 is attached to the inner surface of the water injection cavity 111, so that water can be prevented from seeping above the water injection plate 112, one ends of the two second springs 114 are both connected to the inner surface of the water injection cavity 111, and the other ends of the two second springs 114 are both connected to the top surface of the water injection plate 112;
the fixed intercommunication of inner face in water injection chamber 111 has the three-way pipe, and the one end that water injection chamber 111 was kept away from to the three-way pipe is linked together with gas storage chamber 101, and the pressure valve is installed to the one end that the three-way pipe is close to gas storage chamber 101, and the check valve is installed to the one end that the three-way pipe is close to water injection chamber 111, through setting up the check valve, can prevent that gas from flowing back to the inside of gas storage chamber 101 through the three-way pipe.
Referring to fig. 7, the driving mechanism 12 includes a cavity 121, a cylinder 122, a plurality of driving blades 123, a rotating shaft 124, a winding roller 125 and a pull wire 126, the cavity 121 is disposed on the assembly block 8, one end of the rotating shaft 124 is rotatably connected to the inner surface of the cavity 121, the other end of the rotating shaft 124 extends to the outside of the cavity 121, the cylinder 122 is fixedly sleeved on the rotating shaft 124, the plurality of driving blades 123 are all fixedly connected to the outer edge of the cylinder 122, the winding roller 125 and one end of the rotating shaft 124 located outside the cavity 121 are fixedly connected, one end of the pull wire 126 is fixedly wound on the winding roller 125, and the other end of the pull wire 126 is connected to one of the sliders 63;
the other end of the three-way pipe is communicated with the cavity 121, the communicated part of the three-way pipe and the cavity 121 is opposite to one of the driving fan blades 123, and the driving fan blades 123 can be blown by air flow jetted by the three-way pipe to rotate due to the arrangement.
Referring to fig. 8, the locking mechanism 13 includes a ratchet wheel 131, a pawl 132, an assembly plate 133, a leaf spring 134 and an electromagnetic sheet 135, the ratchet wheel 131 is fixedly sleeved on the rotating shaft 124, the pawl 132 is rotatably connected to the inner surface of the cavity 121, the pawl 132 is made of a material capable of being attracted by a magnet, the electromagnetic sheet 135 is convenient to attract the pawl 132, the pawl 132 is meshed with the ratchet wheel 131, the assembly plate 133 is fixedly connected to the inner surface of the cavity 121, one end of the leaf spring 134 is fixedly connected to the side surface of the assembly plate 133, the other end of the leaf spring 134 is attached to the outer edge of the pawl 132, by arranging the leaf spring 134, the pawl 132 can be always engaged with the ratchet wheel 131, and the electromagnetic sheet 135 is fixedly installed on the assembly plate 133.
Referring to fig. 6, the control mechanism 14 includes a control cavity 141, two control boards 142, two conductive blocks 143, a control magnet 144 and two driving magnets 145, the control cavity 141 is disposed on the assembly block 8, the two control boards 142 are both mounted inside the control cavity 141, a guide rod is fixedly connected to an inner surface of the control cavity 141, one of the control boards 142 is fixedly connected to the guide rod, the other control board 142 is slidably sleeved on the guide rod, the two conductive blocks 143 are respectively and fixedly connected to the side surfaces of the two control boards 142 close to each other, the control magnet 144 is embedded on the gas storage plate 103, and the two driving magnets 145 are respectively embedded at the upper and lower ends of the slidable control board 142;
the two conductive blocks 143 are electrically connected to the electromagnetic sheet 135.
A self-cleaning solar power generation output direct current grid-connected device comprises the following use methods:
when the airflow flows through the axial flow fan blades 93, the axial flow fan blades 93 are driven to rotate, when the axial flow fan blades 93 rotate, the screw rod 92 is driven to rotate, the air supply plate 94 is driven to reciprocate up and down along the screw rod 92, the annular air bag 95 is continuously extruded, and the annular air bag 95 continuously pumps air into the air storage cavity 101;
the gas enters the gas storage cavity 101, the gas storage plate 103 gradually moves downwards, when the air pressure below the gas storage plate 103 reaches the threshold value of a pressure valve on the three-way pipe, the pressure valve is opened, and the air in the gas storage cavity 101 is sprayed into the water injection cavity 111 and the cavity 121 through the three-way pipe;
when the gas is sprayed into the cavity 121 through the three-way pipe, the gas blows the plurality of driving fan blades 123 to rotate, then the cylinder 122, the rotating shaft 124 and the winding roller 125 are driven to rotate, one end of the pull wire 126 is wound on the winding roller 125, and the other end of the pull wire 126 can pull the cleaning plate 4 to move upwards;
when the gas enters the water injection cavity 111, the water injection plate 112 is extruded, so that the water injection plate 112 moves downwards, and when the water injection plate 112 moves downwards, rainwater in the water injection cavity 111 is extruded into the cleaning plate 4, so that the photovoltaic panel 3 is cleaned.
The specific working principle of the invention is as follows:
in rainy day, the rainwater can be collected by water storage tank 7, rainwater in the water storage tank 7 can flow the interior bottom of water injection chamber 111 through the pipeline, when blowing, the air current can drive a plurality of axial fan blades 93 to take place to rotate when a plurality of axial fan blades 93 flow through, a plurality of axial fan blades 93 can drive lead screw 92 to take place to rotate when rotating, lead screw 92 can drive air feed plate 94 and do reciprocating motion from top to bottom along lead screw 92 when rotating, and then constantly extrude annular gasbag 95, because two last check valve current-limiting directions of trachea are opposite, so annular gasbag 95 constantly by the inside of extruded in-process can be constantly pumping into gas storage chamber 101.
Along with the rotation of a plurality of axial fan blades 93, gas can get into the inside of gas storage chamber 101 gradually to make gas storage plate 103 move downwards gradually, gas storage plate 103 is at the in-process that moves downwards, the airtight space volume that forms jointly between the bottom surface of gas storage plate 103 and the gas storage chamber 101 inner face can reduce gradually, make gas storage plate 103 below atmospheric pressure increase gradually, when gas storage plate 103 below atmospheric pressure reaches the threshold value of the pressure valve on the three-way pipe, the pressure valve can be opened, the inside air of gas storage chamber 101 can be spout in water injection chamber 111 and cavity 121 through the three-way pipe.
Gas can blow a plurality of drive flabellums 123 and take place to rotate when spraying to cavity 121 in through the three-way pipe, a plurality of drive flabellums 123 can drive barrel 122 and pivot 124 and take place to rotate at the pivoted in-process, pivot 124 can drive winding roller 125 and take place to rotate when rotating, and twine the one end of pull wire 126 on winding roller 125, so, the other end of pull wire 126 can stimulate cleaning plate 4 rebound, cleaning plate 4 is at the in-process of rebound, the soft brush hair of cleaning plate 4 bottom surface can fall the rubbish brush of adhering to the sensitive surface of photovoltaic board 3, thereby play the cleaning action to the sensitive surface of photovoltaic board 3.
The gas can extrude the water injection plate 112 when entering the inside of the water injection cavity 111, so that the water injection plate 112 moves downwards, when the water injection plate 112 moves downwards, the rainwater in the water injection cavity 111 can be extruded to the inside of the cleaning plate 4, then the rainwater can be sprayed on the light receiving surface of the photovoltaic plate 3 through the plurality of water spray holes 5, the rainwater can flush dust and other dirt on the light receiving surface of the photovoltaic plate 3, and meanwhile, the cleaning effect on the photovoltaic plate 3 can be further improved by matching the action of the soft bristles, and it needs to be noted that the three-way pipe is provided with the one-way valve which can prevent the gas from flowing back to the inside of the gas storage cavity 101 through the three-way pipe, and meanwhile, the gas can gradually leak outwards through the gas leakage holes 115 and gradually leak along with the gas, and the water injection plate 112 can gradually reset under the action of the two springs 114.
Because the magnetic poles of the control magnetic block 144 opposite to the upper driving magnetic block 145 are homopolar, and the magnetic poles of the control magnetic block 144 opposite to the lower driving magnetic block 145 are heteropolar, when the air supply plate 94 is at the initial position, the control magnetic block 144 is at the position opposite to the upper driving magnetic block 145, at this time, under the action of the repulsive force of the control magnetic block 144, the driving magnetic block 145 can be far away from the control magnetic block 144, at this time, the two conductive blocks 143 can be in mutual contact, so that the electromagnetic plate 135 is in an electrified and magnetic state, the electromagnetic plate 135 can attract the pawl 132 when electrified, along with the downward movement of the air supply plate 94, the control magnetic block 144 can gradually move to the position opposite to the lower driving magnetic block 145, when the control magnetic block 144 moves to the position opposite to the lower driving magnetic block 145, under the action of the attractive force of the control magnetic block 144, the lower driving magnetic block 145 can move towards the control magnetic block 144, at this moment, the two conductive blocks 143 can be separated from each other, the electromagnetic sheet 135 can be powered off and demagnetized, the pawl 132 can rotate under the action of self gravity at this moment, and the clamping is arranged on the ratchet wheel 131, so that the cleaning effect on the photovoltaic panel 3 can be ensured by preventing the cleaning plate 4 from falling downwards in the upward movement process under the action of self gravity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A self-cleaning solar power generation output direct current grid-connected device comprises a mounting support (1), wherein a mounting plate (2) is fixedly connected to the mounting support (1), and a photovoltaic panel (3) is fixedly mounted on the top surface of the mounting plate (2), and is characterized in that a slidable cleaning plate (4) is mounted on the top surface of the mounting plate (2) through a sliding assembly (6), the cleaning plate (4) is of a hollow structure, a plurality of water spraying holes (5) are formed in the side surface of the cleaning plate (4), brush bristles are further bonded on the side surface of the cleaning plate (4), and a water storage tank (7) and an assembling block (8) are fixedly connected to the mounting support (1);
an air supply mechanism (9) is arranged on the side surface of the water storage tank (7), and the air supply mechanism (9) is used for generating air flow;
the assembling block (8) is provided with a gas storage mechanism (10), and the gas storage mechanism (10) is used for storing and releasing airflow;
the assembling block (8) is provided with a water injection mechanism (11), and the water injection mechanism (11) is used for providing water flow for the cleaning plate (4);
the assembling block (8) is provided with a driving mechanism (12), and the driving mechanism (12) is used for driving the cleaning plate (4) to move;
the cleaning device is characterized in that a locking mechanism (13) and a control mechanism (14) are arranged on the assembling block (8), and the locking mechanism (13) and the control mechanism (14) are jointly used for resetting the cleaning plate (4).
2. The self-cleaning solar power generation output direct current grid-connected device according to claim 1, wherein the sliding assembly (6) comprises four fixing plates (61), two sliding rods (62) and two sliding blocks (63), the four fixing plates (61) are respectively and fixedly connected to four corners of the top surface of the mounting plate (2), the two sliding rods (62) are respectively and fixedly connected between the two fixing plates (61) on the same side, the two sliding blocks (63) are respectively and slidably sleeved on the two sliding rods (62), and the two sliding blocks (63) are respectively and fixedly connected to two ends of the bottom surface of the cleaning plate (4).
3. The self-cleaning solar power generation output direct current grid-connected device of claim 1, it is characterized in that the air supply mechanism (9) comprises an air supply box (91), a screw rod (92), a plurality of axial flow fan blades (93), an air supply plate (94) and an annular air bag (95), the air supply tank (91) is fixedly connected with the side surface of the water storage tank (7), one end of the screw rod (92) is rotatably connected with the inner bottom surface of the air supply tank (91), the other end of the screw rod (92) extends to the outside of the air supply box (91), a plurality of axial flow fan blades (93) are fixedly connected with one end of the screw rod (92) positioned at the outside of the air supply box (91), the air supply plate (94) is sleeved on the screw rod (92) in a threaded manner, one surface of the annular air bag (95) is adhered to the inner bottom surface of the air supply box (91), the other surface of the annular air bag (95) is bonded to the bottom surface of the air supply plate (94);
two air pipes are fixedly communicated with the annular air bag (95), and check valves are installed on the two air pipes.
4. The self-cleaning solar power generation output direct current grid-connected device is characterized in that the gas storage mechanism (10) comprises a gas storage cavity (101), two first rods (102), a gas storage plate (103) and two first springs (104), the gas storage cavity (101) is arranged on the assembly block (8), the gas storage plate (103) is connected to the inner surface of the gas storage cavity (101) in a sealing and sliding mode, the two first rods (102) are fixedly connected to the inner surface of the gas storage cavity (101), the two first rods (102) penetrate through the gas storage plate (103), one ends of the two first springs (104) are connected with the inner surface of the gas storage cavity (101), and the other ends of the two first springs (104) are connected with the top surface of the gas storage plate (103);
the air storage cavity (101) is communicated with one end of one air pipe, which is far away from the air supply box (91).
5. The self-cleaning solar power generation output direct current grid-connected device is characterized in that the water injection mechanism (11) comprises a water injection cavity (111), a water injection plate (112), two second rods (113), two second springs (114) and an air leakage hole (115), the water injection cavity (111) is formed in the assembly block (8), the two second rods (113) are fixedly connected to the inner surface of the water injection cavity (111), the water injection plate (112) is slidably sleeved on the two second rods (113), one ends of the two second springs (114) are connected with the inner surface of the water injection cavity (111), and the other ends of the two second springs (114) are connected with the top surface of the water injection plate (112);
the inner surface of the water injection cavity (111) is fixedly communicated with a three-way pipe, one end, far away from the water injection cavity (111), of the three-way pipe is communicated with the air storage cavity (101), one end, close to the air storage cavity (101), of the three-way pipe is provided with a pressure valve, and one end, close to the water injection cavity (111), of the three-way pipe is provided with a one-way valve.
6. The self-cleaning solar power generation output direct current grid-connected device of claim 1, characterized in that the driving mechanism (12) comprises a cavity (121), a cylinder (122), a plurality of driving fan blades (123), a rotating shaft (124), a winding roller (125) and a traction wire (126), the cavity (121) is arranged on the assembling block (8), one end of the rotating shaft (124) is rotatably connected with the inner surface of the cavity (121), the other end of the rotating shaft (124) extends to the outside of the cavity (121), the cylinder (122) is fixedly sleeved on the rotating shaft (124), the plurality of driving fan blades (123) are fixedly connected to the outer edge of the cylinder (122), the winding roller (125) is fixedly connected with one end of the rotating shaft (124) which is positioned outside the cavity (121), one end of the traction wire (126) is fixedly wound on the winding roller (125), and the other end of the traction wire (126) is connected with one of the sliding blocks (63);
the other end of the three-way pipe is communicated with the cavity (121), and the communicated part of the three-way pipe and the cavity (121) is arranged right opposite to one of the driving fan blades (123).
7. The self-cleaning solar power generation output direct current grid-connected device of claim 1, wherein the locking mechanism (13) comprises a ratchet wheel (131), a pawl (132), an assembly plate (133), a leaf spring (134) and an electromagnetic sheet (135), the ratchet wheel (131) is fixedly sleeved on the rotating shaft (124), the pawl (132) is rotatably connected to the inner surface of the cavity (121), the pawl (132) and the ratchet wheel (131) are meshed with each other, the assembly plate (133) is fixedly connected to the inner surface of the cavity (121), one end of the leaf spring (134) is fixedly connected to the side surface of the assembly plate (133), the other end of the leaf spring (134) is attached to the outer edge of the pawl (132), and the electromagnetic sheet (135) is fixedly mounted on the assembly plate (133).
8. The self-cleaning solar power generation output direct current grid-connected device of claim 7, it is characterized in that the control mechanism (14) comprises a control cavity (141), two control plates (142), two conductive blocks (143), a control magnetic block (144) and two driving magnetic blocks (145), the control cavity (141) is arranged on the assembling block (8), the two control plates (142) are both arranged in the control cavity (141), the inner surface of the control cavity (141) is fixedly connected with a guide rod, one of the control boards (142) is fixedly connected to the guide rod, the other control board (142) is sleeved on the guide rod in a sliding manner, the two conductive blocks (143) are respectively and fixedly connected to the mutually close side surfaces of the two control boards (142), the control magnet (144) is embedded on the gas storage plate (103), and the two driving magnets (145) are respectively embedded at the upper end and the lower end of the slidable control plate (142);
the two conductive blocks (143) are electrically connected with the electromagnetic sheet (135).
9. The self-cleaning solar power generation output direct current grid-connected device of claim 7, characterized in that the use method is as follows:
when air flows through the axial flow fan blades (93), the axial flow fan blades (93) are driven to rotate, the screw rod (92) is driven to rotate, the air supply plate (94) is driven to reciprocate up and down along the screw rod (92), the annular air bag (95) is continuously extruded, and air is continuously pumped into the air storage cavity (101) by the annular air bag (95);
gas enters the gas storage cavity (101), the gas storage plate (103) is enabled to gradually move downwards, when the air pressure below the gas storage plate (103) reaches the threshold value of a pressure valve on the three-way pipe, the pressure valve is opened, and the air in the gas storage cavity (101) is sprayed into the water injection cavity (111) and the cavity body (121) through the three-way pipe;
when the gas is sprayed into the cavity (121) through the three-way pipe, the gas blows a plurality of driving fan blades (123) to rotate, then the cylinder (122), the rotating shaft (124) and the winding roller (125) are driven to rotate, one end of a pull wire (126) is wound on the winding roller (125), and the other end of the pull wire (126) can pull the cleaning plate (4) to move upwards;
when the gas enters the water injection cavity (111), the water injection plate (121) is extruded, so that the water injection plate (121) moves downwards, and when the water injection plate (121) moves downwards, rainwater in the water injection cavity (111) is extruded into the cleaning plate (4), so that the photovoltaic panel (3) is cleaned.
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| CN202111421332.3A CN114189205A (en) | 2021-11-26 | 2021-11-26 | Self-cleaning solar power generation output direct current grid-connected device and use method thereof |
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| CN202111421332.3A CN114189205A (en) | 2021-11-26 | 2021-11-26 | Self-cleaning solar power generation output direct current grid-connected device and use method thereof |
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