CN114472247B

CN114472247B - Solar photovoltaic power generation device with cleaning function

Info

Publication number: CN114472247B
Application number: CN202210025254.3A
Authority: CN
Inventors: 陈国强
Original assignee: Zhejiang Xinxiang New Energy Technology Co ltd
Current assignee: Zhejiang Xinxiang New Energy Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2023-05-02
Anticipated expiration: 2042-01-11
Also published as: CN114472247A

Abstract

The invention provides a solar photovoltaic power generation device with a cleaning function in the technical field of solar energy, which comprises: a photovoltaic module; the scraping and washing assembly is arranged on the photovoltaic assembly; and a moving assembly disposed on the scraping assembly; the scraping and washing assembly reciprocally scrapes the surface of the photovoltaic assembly with water distribution back and forth, so that gathered wastewater is transferred outwards along with the scraping action, and after the scraping is completed, the moving assembly lifts the scraping and washing assembly and transfers the scraping and washing assembly to the next position to repeatedly act. The invention has the advantages of clean photovoltaic panel, environment-friendly cleaning process and the like.

Description

Solar photovoltaic power generation device with cleaning function

Technical Field

The invention relates to the technical field of solar energy, in particular to a solar photovoltaic power generation device with a cleaning function.

Background

When the photovoltaic board is used outdoors, a large amount of dust particles can be adsorbed due to the influence of the environment, so that the surface of the photovoltaic board needs to be cleaned regularly to enhance the conversion efficiency of solar energy to electric energy, and in the cleaning process of the photovoltaic board, the cleaning mode of the roller can be carried out in a mode of flushing by using cleaning water, but when the roller is used for cleaning, the dust flies to pollute the surrounding environment, and a large amount of dust is easy to be stained on the roller, and the photovoltaic board needs to be cleaned or replaced regularly.

According to the circumstances, chinese patent CN212597375U discloses a distributing type photovoltaic power generation board sprays cleaning device, including rainwater collection device and articulated the installation wash the subassembly on the rainwater collection device, wash the subassembly include with the fixed frame of photovoltaic power generation board upper surface contact, fixed mounting has driving motor on the fixed frame, fixed mounting has flexible cleaning brush on the driving motor, flexible cleaning brush both ends movable mounting has the removal gyro wheel, flexible cleaning brush includes the connecting rod, the equal elastic mounting in connecting rod both ends has the telescopic link, the connecting rod with set up the rubber doctor-bar on the side that the telescopic link is close to photovoltaic power generation board one side.

But in this technical scheme, although can realize cleaning the photovoltaic board through washing water is being cooperated the cleaning brush, but because most photovoltaic board is the slope and arranges, the cleaning water can fall from the low limit portion of photovoltaic board for waste water forms the pollution to photovoltaic board low limit portion, can also cause the waste of water resource because of direct emission when the washing.

Disclosure of Invention

The invention aims at overcoming the defects of the prior art, and provides a solar photovoltaic power generation device with a cleaning function, cleaning water communication adsorption particles are scraped towards two sides of a water absorption component through a water scraping component, water is circularly distributed on the surface of the photovoltaic component again after the water scraping component moves, water reaching the bottom of the water absorption component is sucked into a water absorption cylinder body by negative pressure, and when positive pressure is provided in the water absorption cylinder body, sucked water is extruded into a cleaning mechanism at the moving front end to be preprocessed and then collected, so that the technical problem in the background art is solved.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a solar photovoltaic power generation device with a cleaning function, characterized by comprising: a photovoltaic module; the scraping and washing assembly is arranged on the photovoltaic assembly; and a moving assembly disposed on the scraping assembly; the scraping and washing assembly reciprocally scrapes the surface of the photovoltaic assembly with water distribution back and forth, so that gathered wastewater is transferred outwards along with the scraping action, and after the scraping is completed, the moving assembly lifts the scraping and washing assembly and transfers the scraping and washing assembly to the next position to repeatedly act.

Further, the scraping and washing assembly comprises: the scraping mechanisms are vertically arranged at intervals; a conveying pipeline for communicating adjacent scraping mechanisms; the cleaning mechanism at the moving rear end is used for finely cleaning the surface of the photovoltaic module through water distribution, and discharged water is sent to the cleaning mechanism at the moving front end through a conveying pipeline to perform water distribution before pre-cleaning.

Further, the scraping mechanism comprises: a frame; water absorbing components which are arranged on the frame at intervals; a water scraping channel is formed between the water absorbing components; and a wiper assembly disposed within the wiper channel; the water absorbing component in the water absorbing action moves the water scraping component with water distribution at the rear end in a linkage way, so that cleaning water at the bottom of the cleaning and scraping water channel gathers towards the bottom of the water absorbing component.

Further, the wiper assemblies arranged on two sides of the water absorbing assembly synchronously move in opposite directions or synchronously move in opposite directions.

Further, the water absorbing assembly includes: the two sides of the bottom are provided with water-absorbing cylinders with flow channels; the first valve body is arranged at the bottom of the water absorption cylinder; and a pressurizing assembly disposed above the first valve body; sealing press pads are arranged on two sides of the water absorption cylinder body, and the sealing press pads are made of elastic materials.

Further, the wiper assembly includes: a scraper member; the traction component is connected with the power end of the power component and is used for traction the scraper component to reciprocate back and forth; and the water distribution component is used for controlling water distribution after the scraper part moves.

Further, the blade member includes: pushing the base; the shovel part is arranged at the bottom of the pushing seat, and the shovel part is a part with triangular structures at two sides.

Further, the water distribution assembly includes: the water distribution joints are respectively arranged at two sides of the top of the pushing seat; and the regulating and controlling assembly is connected with the water distribution joint and controls the water distribution of the water distribution joint corresponding to the moving rear of the pushing seat.

Further, the transfer line includes: the conveying pipe body is arranged above the first valve body and is of a cone-shaped structure; and the second valve body is arranged in the conveying pipe body.

Further, the moving assembly includes: moving the clamping seat; lifting assemblies are elastically arranged at two ends of the scraping and washing assembly; and the driving guide wheel is arranged in the movable clamping seat.

The invention has the beneficial effects that:

(1) According to the photovoltaic module, the scraping and washing assembly is matched with the moving assembly, after one scraping and washing action is completed by the scraping and washing assembly, the scraping and washing assembly is lifted by the moving assembly and is transferred to the next position for scraping and washing, and the movement of the scraping and washing assembly after cleaning and washing is ensured on the photovoltaic assembly;

(2) According to the invention, through the mutual coordination among the water absorption component, the water scraping channel and the water scraping component, when the water scraping component moves towards the water absorption component, the surface of the photovoltaic component is cleaned, the wastewater is pushed to the water absorption component, and then the wastewater is discharged through the water absorption component, so that the cleaning of the photovoltaic component is ensured, and meanwhile, the cleaning water is collected and reused;

(3) According to the invention, the cleaning mechanisms are communicated by utilizing the conveying pipelines, so that cleaner cleaning water at the moving tail end is gradually conveyed to the cleaning mechanism at the moving front end, the collection and utilization of water are ensured, and the surface of the photovoltaic module at the moving front end is subjected to pre-cleaning treatment before collection and utilization;

(4) According to the invention, through the cooperation among the water absorption barrel, the pressurizing assembly, the first valve body and the second valve body, when the pressurizing assembly gathers the cleaning water at the bottom of the water absorption barrel, the cleaning water is sucked into the water absorption barrel above the first valve body, and is discharged out of the second valve body when the pressurizing assembly presses down the water in the water absorption barrel, so that the cleaning water is reused, and meanwhile, the continuity of the pressurizing assembly in positive pressure or negative pressure on the water absorption barrel is realized;

(5) According to the invention, through the pressurizing plates arranged at the bottom of the water absorption barrel, in the water absorption process, large and uniform water absorption force is generated at the bottom of the water absorption barrel by utilizing each pressurizing hole on the pressurizing plate, so that water is rapidly absorbed into the water absorption barrel;

in conclusion, the invention has the advantages of clean photovoltaic panel, environment-friendly cleaning process and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of a scraping assembly according to the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a schematic view of another side structure of FIG. 2 in accordance with the present invention;

FIG. 5 is an enlarged view of the invention at B in FIG. 4;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4 in accordance with the present invention;

FIG. 7 is a schematic view of the bottom structure of FIG. 2 in accordance with the present invention;

FIG. 8 is an enlarged view of FIG. 7 at C in accordance with the present invention;

FIG. 9 is a schematic view of the structure of a wiper member according to the present invention;

FIG. 10 is a schematic view of the structure of the water distribution assembly of the present invention;

FIG. 11 is a schematic diagram of a control assembly according to the present invention.

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.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1, a solar photovoltaic power generation device with a cleaning function includes: a photovoltaic module 1; a scraping and washing assembly 2 arranged on the photovoltaic assembly 1; and a moving assembly 3 provided on the scraping assembly 2; the scraping and washing assembly 2 reciprocally scrapes the surface of the photovoltaic assembly 1 of the water distribution back and forth, so that the gathered wastewater is transferred outwards along with the scraping action, and after the scraping is finished, the moving assembly 3 lifts the scraping and washing assembly 2 and transfers to the next position to repeatedly act.

Through the above, it is not difficult to find that in the use process of solar photovoltaic equipment, particularly in the use process of a photovoltaic panel, the surface of the photovoltaic panel needs to be cleaned regularly so as to ensure that the surface of the photovoltaic panel can finish efficient conversion of solar energy to electric energy in a smooth state.

In the invention, the photovoltaic module 1 can be used for better completing the conversion of solar energy to electric energy in an inclined arrangement mode, and when dust exists on the surface of the photovoltaic module 1, the scraping and washing module 2 is driven to move and scrape and wash on the surface of the photovoltaic module 1 by utilizing the power of the moving module 3; specifically, when scraping the washing in the removal, scrape the action of scraping that the subassembly 2 can reciprocate on the photovoltaic module 1 surface, thereby make when scraping the removal, gather together waste water and outwards discharge, thereby make at the clear in-process of photovoltaic module 1, avoid rolling off because of the surface that the sparge water was arranged along the slope of photovoltaic module 1, cause the pollution to one side of photovoltaic module 1 low, and the sparge water directly discharges, and can also cause the waste of water resource, moreover, through the mode that utilizes the scraping, can realize gathering waste water, scrape the photovoltaic module 1 surface and move the processing, thereby better realization is got up to the clearance of sticky matter such as bird's droppings on surface, and follow reciprocal scraping action together, and same release, and after the scraping to the photovoltaic module 1 certain position, lift up the subassembly 2 from clean completion position through moving the subassembly 3, the disease shifts to the next position department and carries out repeated scraping action, thereby accomplish the all-round clean processing of photovoltaic module 1 surface, the conversion ability of solar energy to the electric energy has been guaranteed.

As shown in fig. 2, the scraping assembly 2 includes: vertically spaced scraping mechanisms 21; a transfer line 22 for communicating adjacent ones of the scraping mechanisms 21; the cleaning mechanism 21 positioned at the moving rear end and subjected to water distribution finely cleans the surface of the photovoltaic module 1, and the discharged water is sent to the cleaning mechanism 21 positioned at the moving front end through the conveying pipeline 22 to perform water distribution before pre-cleaning.

In the embodiment, when the surface of the photovoltaic module 1 is treated by the scraping and washing assembly 2, the scraping and washing assembly 21 at the moving front side of the scraping and washing assembly is supplied with water by the cleaning and washing mechanism 21 through the conveying pipeline 22, so that the recycling of cleaning water is ensured; the specific implementation process is as follows:

the first group, namely a group of scraping mechanisms 21 positioned at the moving tail end, carries the scraping water to carry out reciprocating scraping action; the waste water is continuously sucked out by the tail-end scraping mechanisms 21 in the cleaning process, the groups of scraping mechanisms 21 of the movable front section are sequentially led in to supply water, finally discharged water is led into a filtering water tank, so that the recycling of water resources is guaranteed, the surfaces of the photovoltaic modules 1 are scraped by the scraping mechanisms 21 which are sequentially processed by the movable front section, the advanced pretreatment operation of the tail-end scraping mechanisms 21 can be realized, the adsorbed particles are scraped through repeated scraping pretreatment of the surfaces of the photovoltaic modules 1, and the waste water and scraped waste are led into the filtering water tank through a conveying pipeline 22 connected with the scraping mechanisms 21 in sequence in a sucking mode.

As shown in fig. 3, the scraping mechanism 21 includes: a frame 211; water absorbing members 212 spaced apart from the frame 211; a wiper channel 213 is formed between the water absorbing components 212; and a wiper assembly 214 disposed within the wiper channel 213; the water absorbing component 212 in the water absorbing action moves the water scraping component 214 with water distributed at the rear end in a linkage way, so that the cleaning water at the bottom of the cleaning and scraping water channel 213 gathers towards the bottom of the water absorbing component 212.

In this embodiment, the cleaning and scraping mechanism 21 performs a back and forth movement through the wiper assembly 214 disposed in the wiper channel 213 on the surface of the photovoltaic module 1, so that the wiper assembly 214 pushes the cleaned mixed wastewater to the water absorbing assembly 212 while completing the cleaning and scraping action on the surface of the photovoltaic module 1, thereby sucking the wastewater out through the water absorbing action of the water absorbing assembly 212, and discharging the wastewater to other sets of cleaning and scraping mechanisms 21 disposed in sequence through the preferable conveying pipeline 22.

More specifically, the wiper assemblies 214 disposed on both sides of the suction assembly 212 move synchronously toward each other or move synchronously toward each other.

In this embodiment, in order to better realize the discharge of the wastewater to the side of the water absorbing component 212, the wiper components 214 on two sides of the water absorbing component 212 are synchronously moved in opposite directions or moved in opposite directions, so that the wastewater is scraped to the water absorbing component 212 when the wiper components 214 are moved in opposite directions, the wastewater is brought out through the suction effect of the water absorbing component 212, and the wastewater on the other side of the wiper components 214 is scraped to one side of the water absorbing component 212 of the other group when the wiper components 214 are moved in opposite directions, so that the wastewater is brought out by the water absorbing component 212 of the other group, and the rapid bringing out of the wastewater is guaranteed, and the clean surface of the photovoltaic component is guaranteed.

As shown in fig. 3 and 8, the water absorbing component 212 includes: a water-absorbing cylinder 2121 with flow channels on both sides of the bottom; a first valve body 2122 provided at the bottom of the water absorbing cylinder 2121; and a pressurizing assembly 2123 provided above the first valve body 2122; sealing gaskets 2124 are arranged on two sides of the water absorbing cylinder 2121, and the sealing gaskets 2124 are made of elastic materials.

In this embodiment, by using the first valve body 2122, which is preferably a one-way valve, disposed at the bottom of the suction cylinder 2121, when the pressurizing assembly 2123 creates negative pressure in the suction cylinder 2121, the negative pressure will act on the bottom of the suction cylinder 2121 through the first valve body 2122 and gather waste water on the surface of the photovoltaic module 1, drawing the waste water into the suction cylinder 2121, and after reaching the suction cylinder 2121, the waste water reaching the suction cylinder 2121 above the first valve body 212 will not return again due to the one-way flow control of the first valve body 212, but is guided to each group of scraping mechanisms 21 on the side of the moving front stage through the one-side conveying pipeline 22, so as to pretreat the surface of the photovoltaic module 1 on the side of the moving front stage.

It should be noted that, by using the elastic sealing pad 2124, when the wiper assembly 214 moves toward the suction cylinder 2121 and approaches the suction cylinder 2121, the wiper assembly 214 contacts the sealing pad 2124 first, so that a headspace seal is formed between the sealing pad 2124, the sidewall of the suction cylinder 2121 and the wiper assembly 214, and when the wiper assembly 214 moves further, waste water is squeezed to the bottom of the suction cylinder 2121 through a flow channel (not shown), so that the waste water is sucked above the first valve body 2122 through the pressurizing assembly 2123.

It should be added that a pressurizing plate 2125 is disposed at the bottom of the water absorbing cylinder 2121, pressurizing holes are uniformly distributed on the pressurizing plate 2125, and the pressurizing plate 2125 is disposed between the flow channel and the first valve body 2122.

When negative pressure suction is provided in the water suction cylinder 2121 through the pressurizing assembly 2123, the bottom of the water suction cylinder 2121 can be provided with a larger adsorption force through the pressurizing hole arranged on the pressurizing plate 2125, and gathered water is sucked out quickly, wherein the radial size of the pressurizing hole is larger than the diameter of adsorption particles formed in the cleaning process.

In order to better achieve the negative pressure in the water absorbing channel 2121, as shown in fig. 3 and 6, the pressurizing assembly 2123 includes a piston 21231 inserted in the water absorbing cylinder 2121, a push-pull rod 21232 movably mounted on top of the piston 21231, and a power shaft 21233 disposed above the push-pull rod 21232, wherein the push-pull rod 21232 is eccentrically connected to the power end of the power shaft 21233.

In this embodiment, the power shaft 21233 rotates to drive the eccentric push-pull rod 21232 to reciprocate up and down in the water absorbing cylinder 2121, so that the piston 212321 moves up and down in the water absorbing cylinder 2121, and the water in the water absorbing cylinder 2121 is conveyed to the other groups of scraping mechanisms 21 through the conveying pipeline 22 by the piston 212321 moving up.

As shown in fig. 3 and 6, the wiper assembly 214 includes: a scraper 2141; a traction assembly 2142 connected to the power end of the power assembly and drawing the scraper 2141 back and forth; and a water distribution unit 2143 for controlling water distribution after the scraper 2141 moves.

In this embodiment, when the wiper assembly 214 reciprocates back and forth in the wiper channel 213, the wiper member 2141 reciprocates back and forth by the traction power of the traction assembly 2142 to the wiper member 2141, so as to finish the water distribution treatment on the surface of the photovoltaic assembly 1 in the wiper channel 213, and in the water distribution process, the water is applied to the rear of the wiper member 2141 after the movement of the wiper member 2141 by the water distribution assembly 2143, so that the water application action is ensured not to affect the gathering of water, and in addition, when the wiper member 2141 moves in the opposite direction, the hanging of the water distributed in advance is utilized, so that the surface of the photovoltaic assembly 1 is cleaner.

As shown in fig. 9, the scraper 2141 includes: a push base 21411; the shovel 21412 is disposed at the bottom of the push seat 21411, and the shovel 21412 is a part with a triangle structure on both sides.

In this embodiment, when the scraper 2141 is used to treat the surface of the photovoltaic module 1, the traction force of the traction module 2142 acts on the pushing seat 21411, so that the pushing seat 21412 carries the scraper 21412 to reciprocate back and forth on the surface of the photovoltaic module 1 to scrape the adsorbate on the surface of the photovoltaic module 1.

As shown in fig. 10, the water distribution assembly 2143 includes: the water distribution connectors 21431 are respectively arranged at two sides of the top of the push seat 21411; and a control component 21432 connected with the water distribution joint 21431 and controlling water distribution of the corresponding water distribution joint 21431 after the pushing seat 21411 moves.

In this embodiment, when the push seat 21411 moves to distribute water at the rear end, the water distribution component 2143 makes the area located at the rear side of the push seat 21411, that is, the opposite side of the gathering, move to distribute water under the water distribution control of the control component 21432, so that the push seat 21411 is driven to gather sewage, and meanwhile, the uniform water distribution action is completed at the other side of the gathering.

It should be added that the regulating component 21432 includes a regulating body 214321, a conduit 214322 disposed at one side of the regulating body 214321, a valve core 214323 rotatably disposed in the regulating body 214321, and a sliding shaft 214326 inserted through the valve core 214323, two sides of the valve core 214323 are respectively provided with a communicating groove 214325, a channel 214324 communicating with the communicating groove 214325 is provided on a side surface of the valve core 214323, the channel 214324 corresponds to the conduit 214322, and a sliding block 214327 for guiding is disposed on the sliding shaft 214326.

In this embodiment, when the control assembly 21432 controls water distribution, the time taken for the valve core 214323 to rotate once is the same as the time taken for the push seat 21411 to reciprocate once, that is, when the push seat 21411 moves back and forth, cleaning water is introduced into the inlet 214324 through the conduit 214322 on one side of the rear side of the valve core and enters the communicating grooves 214325 on both sides, and in the process of rotating the communicating grooves 214325, when the communicating grooves 214325 correspond to the water distribution connectors 21431 on both sides, water spraying action can be completed, and when the valve core 214323 moves back and forth along with the push seat 21411, the arrangement of the sliding block 214327 on the sliding shaft 214326 can ensure that the movement and rotation actions of the valve core 214323 are performed simultaneously.

It should be added that, a first guide pulley 214328 is installed at the end of the valve core 214323, a second guide pulley 212331 is installed at the end of the power shaft 21233, and a transmission belt is sequentially connected between the first guide pulley 214328 and the second guide pulley 212331 in a transmission manner.

As shown in fig. 6, the transfer line 22 includes: the conveying pipe body 221 disposed above the first valve 2122, the conveying pipe body 221 having a cone-shaped structure; a second valve body 222 mounted in the delivery pipe body 221.

In the present embodiment, the delivery line 22 discharges the water in the suction cylinder 2121 into the delivery pipe 221 by the pushing power after the suction of the suction cylinder 2121 by the pressure boosting unit 2123 is completed by the unidirectional flow guiding action of the second valve body 222, which is preferably a unidirectional valve, when the cleaning water is delivered between the cleaning mechanisms 21, and the water entered into the delivery pipe 221 is controlled by the second valve body 222 to be unable to return when the piston 21231 is pulled back again, thereby avoiding the backflow phenomenon.

It should be added that an auxiliary delivery pipe body 223 and an auxiliary valve body (not shown in the figure) arranged in the auxiliary delivery pipe body 223 are further included outside the wiping channel 213 at the extreme edge position of the wiping mechanism 21.

In this embodiment, when the pushing plate 21411 pushes the waste water through the scraping mechanism 21, the waste water is pushed into the inner wall of the scraping channel 213 by the pushing plate 21411 in the uppermost scraping channel 213, and is introduced into the auxiliary delivery line 223 by extrusion, and is introduced into the scraping mechanism 21 of another group together with the delivery pipe 221 by the control of the auxiliary valve body.

In order to ensure that the corresponding wiper channel 213 on the side of the auxiliary delivery pipe 223 can form a top seal when the push plate 21411 approaches, the inner wall of the wiper channel 213 at the edge is also provided with a sealing pad 2124 made of elastic material.

Example two

As shown in fig. 3 and 5, wherein the same or corresponding parts as those in embodiment one are designated by the corresponding reference numerals as those in embodiment one, only the points of distinction from embodiment one will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:

the moving assembly 3 includes: a moving card holder 31; lifting assemblies 32 elastically arranged at two ends of the scraping and washing assembly 2; and a driving guide wheel 33 installed in the moving cassette 31.

In this embodiment, when the moving assembly 3 lifts the scraping and washing assembly 2 to move the cleaning photovoltaic assembly 1, the lifting assembly 32 drives the photovoltaic assembly 1 to lift, and when the cleaning assembly reaches another area to be cleaned through the driving guide wheel 33, the lifting assembly 32 continues to enable the scraping and washing assembly 2 to fall onto the surface of the photovoltaic assembly 1 for cleaning.

It should be noted that the lifting assembly 32 includes a cam 321 with a top portion in rotational contact with the scraping assembly 2, a lifting motor 322 disposed on one side of the moving card holder 31 and connected to the cam 321, and a guide assembly 34 elastically connecting the scraping assembly 2 and the moving card holder 31.

In this embodiment, the lifting motor 322 is preferably a servo motor, and the cam 321 is rotated by the power of the lifting motor 322, so that when the protruding end corresponds to the scraping and washing assembly 2, the scraping and washing assembly 2 is jacked up, and when the arc end corresponds to the scraping and washing assembly 2, the scraping and washing assembly 2 contacts with the surface of the photovoltaic assembly 1, and the cleaning and washing action is completed.

It should be further noted that the guide assembly 34 includes a guide rod 342 mounted on the moving card holder 31 and an elastic member 341 connected between the moving card holder 31 and the scraping and washing assembly 2, and a top end of the guide rod 342 is slidably connected to the scraping and washing assembly 2.

In this embodiment, the elastic member 341 and the guide rod 342 guide the up-and-down movement of the scraping assembly 2 on the moving card holder 31, so that the scraping assembly 2 is stable when moving up and down.

The working steps are as follows:

step one, a cleaning and scraping action, in the water scraping channel 213, the water absorbing power of the water absorbing component 212 is used for linking the water scraping components 214 to move back and forth, the water scraping components 214 on two sides of the water absorbing component 212 synchronously move back and forth, and the adsorbate on the photovoltaic component 1 is scraped by utilizing the triangular shovel 21412 and pushed to the bottom of the water absorbing component 212;

step two, water distribution treatment, wherein when the scraper 2141 reciprocates, the water distribution component 2143 controls water distribution at the moving rear side of the wiper 2141, so that when the scraper 2141 scrapes, the water distribution is performed in the moving direction behind the scraped scraper 2141;

step two, sucking and discharging, wherein sewage is pushed to the bottom of the water sucking cylinder 2121 by the water scraping component 214, negative pressure is caused to the bottom of the water sucking cylinder 2121 by the pressurizing component 2123, the negative pressure is formed in pressurizing holes on the pressurizing plate 2125, and the sewage gathered at the bottom of the water sucking cylinder 2121 is sucked into the water sucking cylinder 2121 above the first valve body 2122 through the pressurizing holes;

step three, conveying the cleaning water, wherein when the pressure boosting component 2123 generates positive pressure in the water absorbing cylinder 2121, the cleaning water is discharged into the conveying pipeline 22 and passes through the second valve body 222 to enter the cleaning mechanisms 21 at the moving front end, so that pretreatment is sequentially completed in each cleaning mechanism 21 at the front end;

step four, cleaning and ending, after a certain number of cleaning actions are completed, the outside water stops delivering water to the tail end cleaning mechanism 21, and the tail end cleaning mechanism moves to a downward position to clean;

and fifthly, lifting, namely lifting the scraping and washing assembly 2 by the lifting assembly 32 after the scraping is finished, and moving the scraping and washing assembly 2 on the frame of the photovoltaic assembly 1 through the driving guide wheels 33 to reach the next position for continuous treatment.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A solar photovoltaic power generation device with a cleaning function, characterized by comprising:

a photovoltaic module (1);

a scraping assembly (2) arranged on the photovoltaic assembly (1); and

a moving assembly (3) arranged on the scraping assembly (2);

the scraping and washing assembly (2) is used for reciprocally scraping the surface of the photovoltaic assembly (1) with water distribution back and forth, so that gathered wastewater is transferred outwards along with the scraping action, and after the scraping is completed, the scraping and washing assembly (2) is lifted by the moving assembly (3) and is transferred to the next position for repeated action;

the scraping and washing assembly (2) comprises:

vertically spaced scraping mechanisms (21);

a transfer line (22) for communicating adjacent ones of the scraping mechanisms (21);

the cleaning and scraping mechanism (21) positioned at the moving rear end is used for finely cleaning and scraping the surface of the photovoltaic module (1), and discharged water is sent to the cleaning and scraping mechanism (21) positioned at the moving front end through a conveying pipeline (22) to perform water distribution before pre-cleaning and scraping;

the scraping mechanism (21) comprises:

a frame (211);

water absorbing components (212) arranged on the frame (211) at intervals;

a water scraping channel (213) is formed between the water absorbing components (212); and

a wiper assembly (214) disposed within the wiper channel (213);

the water absorbing component (212) in water absorbing action moves the water scraping component (214) with water distribution at the rear end in a linkage way, so that cleaning water at the bottom of the cleaning and scraping water channel (213) gathers towards the bottom of the water absorbing component (212);

the wiper assemblies (214) arranged on two sides of the water absorbing assembly (212) synchronously move towards each other or synchronously move relatively;

the water absorbing assembly (212) includes:

the two sides of the bottom are provided with water-absorbing cylinders (2121) with flow channels;

a first valve body (2122) arranged at the bottom of the water absorbing cylinder (2121); and

a pressurizing assembly (2123) disposed above the first valve body (2122);

sealing pressing pads (2124) are arranged on two sides of the water absorption cylinder (2121), and the sealing pressing pads (2124) are made of elastic materials;

the wiper assembly (214) comprises:

a scraper (2141);

a traction assembly (2142) connected to the power end of the power assembly and drawing the scraper member (2141) back and forth; and

a water distribution component (2143) for controlling water distribution after the scraper (2141) moves;

the squeegee member (2141) includes:

a push base (21411);

the shovel (21412) is arranged at the bottom of the pushing seat (21411), and the shovel (21412) is a part with a triangular structure on two sides;

the water distribution assembly (2143) includes:

the water distribution joints (21431) are respectively arranged at two sides of the top of the pushing seat (21411); and

the regulating and controlling assembly (21432) is connected with the water distribution joint (21431) and used for controlling water distribution of the corresponding water distribution joint (21431) behind the movement of the pushing seat (21411);

the transfer line (22) comprises:

a delivery pipe body (221) arranged above the first valve body (2122), wherein the delivery pipe body (221) has a cone-shaped structure;

a second valve body (222) installed in the delivery pipe body (221);

the supercharging assembly (2123) comprises a piston (21231) inserted into the water absorbing cylinder (2121), a push-pull rod (21232) movably mounted at the top of the piston (21231) and a power shaft (21233) arranged above the push-pull rod (21232), and the push-pull rod (21232) is eccentrically connected to the power end of the power shaft (21233);

the utility model provides a regulation and control subassembly (21432) include regulation and control body (214321), locate pipe (214322) of regulation and control body (214321) one side, rotate locate case (214323) in regulation and control body (214321) and run through and insert slide shaft (214326) of establishing on case (214323), the both sides of case (214323) all are provided with intercommunication cell body (214325), the side surface of case (214323) seted up with inlet channel (214324) that intercommunication cell body (214325) is linked together, inlet channel (214324) with pipe (214322) are corresponding, be arranged on slide shaft (214326) and be used for sliding block (214327) of direction.

2. A solar photovoltaic power plant with cleaning function according to claim 1, characterized in that said mobile assembly (3) comprises:

a mobile card holder (31);

lifting assemblies (32) are elastically arranged at two ends of the scraping and washing assembly (2); and

and the driving guide wheel (33) is arranged in the movable clamping seat (31).