CN104467647A - Water-free cleaning device for photovoltaic module - Google Patents

Water-free cleaning device for photovoltaic module Download PDF

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Publication number
CN104467647A
CN104467647A CN201410705315.6A CN201410705315A CN104467647A CN 104467647 A CN104467647 A CN 104467647A CN 201410705315 A CN201410705315 A CN 201410705315A CN 104467647 A CN104467647 A CN 104467647A
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CN
China
Prior art keywords
cleaning cover
photovoltaic module
cleaning
cover
bracket
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Granted
Application number
CN201410705315.6A
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Chinese (zh)
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CN104467647B (en
Inventor
王哲
金玉岭
李�一
邢佳魁
朱博
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Beijing Corona Science and Technology Co Ltd
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Beijing Corona Science and Technology Co Ltd
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Priority to CN201410705315.6A priority Critical patent/CN104467647B/en
Publication of CN104467647A publication Critical patent/CN104467647A/en
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Publication of CN104467647B publication Critical patent/CN104467647B/en
Expired - Fee Related legal-status Critical Current
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

A water-free cleaning device for a photovoltaic module is composed of a cleaning cover (27) and a foldable stopping frame (35). The cleaning cover (27) cleans the photovoltaic module, and the foldable stopping frame (35) provides a stopping position for the cleaning cover (27). When the water-free cleaning device does not work, the cleaning cover (27) is located above the foldable stopping frame (35), and when the water-free cleaning device works, the cleaning cover (27) is separated from the foldable stopping frame (35) and moves to the photovoltaic module (30) to clean the photovoltaic module (30). According to the water-free cleaning device, the basic functions of scraping, whisking and sucking for cleaning the photovoltaic module are integrated, power is provided for the automatic water-free cleaning device for the photovoltaic module through unavailable energy of the photovoltaic module, and automatic running and cleaning of the cleaning cover on the surface of the photovoltaic module is achieved in the mode that the upper edge frame of the photovoltaic module serves as a rail.

Description

A kind of photovoltaic module water-free cleaning device
Technical field
The present invention relates to a kind of photovoltaic module cleaning device of solar photovoltaic assembly electricity generation system.
Background technology
The number of photovoltaic power generation quantity depends primarily on photovoltaic module quantity, photovoltaic module efficiency, inverter efficiency loss, solar irradiation, environmental impact and operation management.And photovoltaic module surface contamination affects energy output main cause, photovoltaic module surface contamination can cover the light arriving photovoltaic module, impact heat radiation, and, have the dust deposit of Acidity of Aikalinity on photovoltaic module surface, plate face after long-time erosion, makes it coarse injustice.Hackly assembly surface is more conducive to dust and gathers further, adds sunlight diffuse reflection simultaneously.
Under photovoltaic battery panel is in field harsh climate condition for a long time, the dust being deposited on photovoltaic battery panel glass surface that accumulates over a long period generally can not get timely cleaning, defines dirt, cleaning difficulty.The particularly western drought of China, dust and sand weather is more, a large amount of soil deposition greatly stops on photovoltaic module surface and weakens penetrating of sunlight, and photovoltaic module surface temperature also can be caused after dust absorbing solar energy to raise, the decline of the usefulness of aggravation photovoltaic module generating further.According to measurement, in western China winter, if the sand and dust of a month deposition not in time cleaning the energy output of photovoltaic module can be caused to reduce by more than 30%.The sandy soil of part limy rock run into rain and also can be dissolved by rainwater and again adhere to and deposit on the glass surface, the film substrate of the similar incrustation scale of one deck is defined gradually at glass outer surface, more difficult erasing, have impact on the light transmission of glass greatly, causes solar module decrease in power generation efficiency.
Release various forms method for cleaning respectively both at home and abroad at present, as artificial and mechanical chipping.Labor cleaning's labour intensity is large.And photovoltaic module cleaning cart adopts automobile to carry a tonne water pot, large-scale rain brush is installed in side, on assembly surface water spray rain brush cleaning assembly surface, as shown in Figure 3, under the manipulation of people, utilize huge Wiper arm to clean assembly surface, secondary energy sources consumption is serious, and move at assembly surface because rain brush in cleaning process carries muddy water, assembly surface is easily caused to wear and tear, again because vehicular component cleaning Vehicle volume can only be confined to greatly large-scale, ground, Plain power plant application, apply limited, cleaning cost is very high.
Fig. 4 is that a China scientific and technical personnel independent research " photovoltaic module sweeping robot " realizes assembly and automatically cleans, its cleaning principle adopts hairbrush to roll and photovoltaic module frictional cleaning, easily causes assembly surface easy to wear and do not have dust collection device easily to cause dust secondary pollution.
Robot cleaner system is applied in project of its exploitation by current SunPower corporation plan, especially the power station project of US West, the Middle East and Chile, thus as the replacement scheme of pressure washer and spraying truck.The statement of issuing according to the said firm claims, and this robot can reduce the consumption of water, saving fund improve the energy output of dry many dirt areas electricity generation system, the highest lifting 15% of every annual energy output.But all there is following general character: 1, method for cleaning is all adopt physics+chemistry+water cleaning, assembly surface subject to damage; 2, secondary energy consumption; 3, can not clear up in time everyday; 4, operating cost is high.
Very large difference is there is for its application of different power station in conjunction with China's actual conditions, as the photovoltaic plant of northwest China, area drought and water shortage, clean photovoltaic cell water consumption (single) >=50 ton/10MW according to statistics, again an awkward realistic problem for water-deficient area, and cleaning cycle is determined based on assembly surface pollution accumulation situation, and can not ensure timely cleaning, is equally also faced with the loss of energy output thus.
Summary of the invention
The object of the invention is the shortcoming overcoming prior art, propose a kind of photovoltaic module water-free cleaning device.The present invention is based on Bernoulli Jacob's " boundary layer skin effect " and dust catcher principle, " scrape, brush lightly, inhale " basic function of cleaning photovoltaic module process is combined in one.Further, the present invention makes full use of the not available energy of photovoltaic module for automatic component water-free cleaning device provides power, and with photovoltaic module upper side frame for track, cleaning cover automatically runs on photovoltaic module surface and clears up.Structure of the present invention is simple.Easy and simple to handle, cost is low, non-assembly surface abrasion, without situations such as secondary dust pollutions, can realize the cleaning everyday of photovoltaic module in anhydrous conditions.
The present invention is by the following technical solutions:
Photovoltaic module water-free cleaning device of the present invention is made up of cleaning cover and collapsible parking bracket, and cleaning cover is removable to be cleaned photovoltaic module; Collapsible parking bracket provides the stop position of cleaning cover.Be positioned at the top of collapsible parking bracket when cleaning cover does not work, depart from collapsible parking bracket during cleaning cover work and move on photovoltaic module and clean photovoltaic module.
Described cleaning cover by upper cover, cleaning cover frame, sealing strip, upper steady pin, lower steady pin, equalizer pulley, drive motors, guiding gutter, dust sucting pipeline, suction hole, dust catcher, controller, and brushes lightly the compositions such as dirt cloth.
In described cleaning cover, described upper cover is fixed on four frames of cleaning cover frame, prevents rain, snow-broth enters in cleaning cover, play reinforcement effect simultaneously to cleaning cover frame; The upper side frame of cleaning cover is provided with a drive motors, two equalizer pulleys are arranged on the both sides of upper side frame respectively; The another side relative with upper cover is the working face of cleaning cover; The left frame of cleaning cover working face and left frame are provided with sealing strip, and the sealing strip on cleaning cover left frame and left frame and the intimate surface of photovoltaic module are fitted;
On cleaning cover working face, the upper side frame of cleaning cover has guiding gutter; The lower frame of cleaning cover is provided with dust sucting pipeline, and dust sucting pipeline is connected with dust catcher, and dust sucting pipeline has suction hole;
On cleaning cover working face, the left frame of cleaning cover is provided with steady pin, lower steady pin and controller; Controller is made up of energy storage battery, motor-drive circuit and control circuit of dust collector;
Wherein the input of energy storage battery is connected with controller input flexibility contact, and when cleaning cover is on collapsible parking bracket, controller input flexibility contact and energy storage charger export spring contact and contact, and charge to energy storage battery; The output of energy storage battery is connected with motor-drive circuit, control circuit of dust collector power supply respectively, for drive motors and dust catcher provide the energy.The output of motor-drive circuit is connected with drive motors, the output of control circuit of dust collector is connected with dust catcher.
Brush lightly dirt cloth for one piece to be fixed in four frames of cleaning cover working face, brush lightly the top that dirt cloth is positioned at the suction hole on guiding gutter and dust sucting pipeline, brush lightly dirt and be furnished with certain slackness.
Collapsible parking bracket forms by stopping bracket, upper spud pile, lower spud pile, energy storage charger and dust-recycling duct road.
The stop bracket of collapsible parking bracket is installed with spud pile, lower spud pile, energy storage charger and dust collection box pipeline; Wherein go up spud pile, lower spud pile is fixedly mounted on to be positioned at and stops the upper/lower terminal of bracket, corresponding with the position of the upper steady pin of cleaning cover, lower steady pin respectively; Energy storage charger is fixed on stops right side edge place in the middle part of bracket, corresponding with the location of controls of cleaning cover; Dust collection box Pipe installing is stopping the bottom of bracket, corresponding with the dust catcher position of cleaning cover; Stop bracket to be fixed on a side frame of photovoltaic module by hinge.
A hole is all had, the size in this hole and upper steady pin, lower steady pin adaptation in upper spud pile and lower spud pile.When cleaning cover moves on collapsible parking bracket, upper steady pin and lower steady pin insert in the hole of spud pile and lower spud pile respectively, are fixed on collapsible parking bracket by cleaning cover.For convenience of safeguarding and current needs, collapsible parking bracket is collapsible.
The input of described energy storage charger is connected with photovoltaic arrays bus rod, and output and the energy storage charger of energy storage charger export spring contact and be connected.
Operation principle of the present invention and the course of work as follows:
Two of cleaning cover upper side frame equalizer pulleys are hung on the upper side frame of photovoltaic module, using the upper side frame of photovoltaic module as track, two equalizer pulleys roll with photovoltaic module upper side frame under drive motors drives, cleaning cover is moved in parallel on photovoltaic module, sealing strip on its left frame and left frame working face and photovoltaic module intimate surface are fitted, photovoltaic module surface is cleared up, plays the effect of " scraping ".
When the dust catcher work of cleaning cover, because the sealing strip of cleaning cover left and right side frame and photovoltaic module intimate surface are fitted, flow limitation can only be entered by guiding gutter, and through photovoltaic module and brush lightly between dirt cloth and enter dust catcher by suction hole by dust sucting pipeline, flow fast through photovoltaic module due to gas and brush lightly between dirt cloth, according to Bernoulli Jacob's " boundary layer skin effect " principle, make to brush lightly dirt cloth and form undulation rule, as flag at wind action lower swing, the effect of " brushing lightly " is played at assembly surface, " brush lightly " rise dust with air-flow through suction hole, dust sucting pipeline is by dust catcher sucking-off, be retained in dust catcher.
After photovoltaic module has cleaned, cleaning cover has been rolled by drive motors and photovoltaic module upper side frame, and the upper side frame along photovoltaic module under the control of equalizer pulley moves in parallel, and cleaning cover returns on collapsible parking bracket and stops, and avoids blocking assembly.Now, on cleaning cover, steady pin inserts in the hole of cleaning cover spud pile on collapsible parking bracket, is fixed on by cleaning cover on collapsible parking bracket; Energy storage charger on collapsible parking bracket exports spring contact and is connected with controller input flexibility contact on cleaning cover, is controller accumulation of energy; The dust catcher of cleaning cover docks with the dust-recycling duct road on collapsible parking bracket, reclaims the dust in dust catcher, prevents secondary dirt contamination.
The stop position bracket of collapsible parking bracket is fixedly mounted on the frame of photovoltaic module side by hinge, by realizing manually or automatically folding, ensure the unimpeded of photovoltaic module matrix passage.
Photovoltaic module water-free cleaning device of the present invention utilizes the energy that can not be transformed by inverter lower than inverter startup voltage, by the energy storage charger accumulators energy storage on collapsible parking bracket, and accumulators store energy is charged as motor to the controller on cleaning cover and dust catcher is powered.
The present invention has following characteristics:
● anhydrous and chemical reagent;
● structure is simple, and cost is low;
● clear up in time, without under the weather condition of sleet, every day, automatic or manual order sooner or later sporadically cleared up photovoltaic module, dust is avoided to deposit, the particularly cleaning in evening, can prevent photovoltaic group string surface sweating or fog from forming colloidal objects dirt, to ensure the optimum total power of every day;
● utilizing can not conversion of energy, does not increase energy consumption;
● reduce inverter frequent starting number of times.When there being illumination, first photovoltaic module has output voltage, can meet inverter startup condition very soon, but now irradiation is likely lower.After inverter startup, assembly power output declines, and inverter exits startup fast, and now inverter there will be frequent starting phenomenon, can bring impact to inverter longevity.Due in energy storage charger access photovoltaic module loop, photovoltaic module power lower than inverter startup condition is charged to energy storage charger, and whether Real-Time Monitoring photovoltaic module output voltage, electric current meet inverter startup condition, then exit energy storage charger as met, now inverter once completes startup;
● need not manual control;
● pollute without secondary dust.
The present invention compares advantage with other cleaning methods:
● the present invention compares with assembly cleaning Vehicle, volume is little, cost is low, unattended operation, can clean everyday, strong adaptability, the more important thing is without secondary energy sources consumption, is significantly at drought and water-scarce area especially.
● the present invention is simple with external robot cleaner system comparative structure, cost is low, unattended operation, can clean everyday, assembly surface not damaged, same prior anhydrous cleaning is also without secondary energy sources consumption.
● the present invention adopts Bernoulli Jacob's " boundary layer skin effect " and dust catcher principle, and to assembly surface without wearing and tearing, dust is reclaimed can not be caused secondary pollution by dust catcher.
Accompanying drawing explanation
The anhydrous cleaning cover structure side schematic view of Fig. 1 a photovoltaic module of the present invention;
The main schematic diagram of Fig. 1 b photovoltaic module of the present invention anhydrous cleaning cover face structure;
Fig. 2 a photovoltaic module water-free cleaning device of the present invention system configuration schematic diagram;
Fig. 2 b photovoltaic module water-free cleaning device of the present invention folding position structural representation;
Fig. 3 existing photovoltaic module cleaning Vehicle schematic diagram;
Fig. 4 existing photovoltaic module sweeping robot schematic diagram.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Photovoltaic module water-free cleaning device of the present invention is made up of cleaning cover 27 and collapsible parking bracket 35; Cleaning cover 27 pairs of photovoltaic modulies clean, and collapsible parking bracket 35 provides the stop position of cleaning cover 27; When not working, cleaning cover 27 is positioned at the top of collapsible parking bracket 35, and during work, cleaning cover 27 departs from collapsible parking bracket 35 and moves on photovoltaic module 30 and clean photovoltaic module; As shown in Figure 1a, described cleaning cover 27 by upper cover 15, cleaning cover frame 1, sealing strip 2, upper steady pin 3, lower steady pin 11, equalizer pulley 4,7, drive motors 5, guiding gutter 6, dust sucting pipeline 8, suction hole 9, dust catcher 10, controller 12, and brush lightly the compositions such as dirt cloth 13.
As shown in Figure 1 b, in described cleaning cover 27, described upper cover 15 is fixed on four frames of cleaning cover frame 1, prevents rain, snow-broth enters in cleaning cover 27, simultaneously to cleaning cover frame 1 reinforcement effect; The upper side frame 17 of cleaning cover 27 is provided with the both sides that a drive motors 5, two equalizer pulleys 4,7 are arranged on upper side frame 17 respectively; The another side relative with upper cover 15 is the working face 14 of cleaning cover 27; The left frame of cleaning cover 27 working face 14 and left frame are provided with sealing strip 2, and the sealing strip 2 on cleaning cover 27 left frame and left frame is fitted with the intimate surface of photovoltaic module 30;
On cleaning cover 27 working face 14, the upper side frame 17 of cleaning cover 27 has guiding gutter 6; The lower frame of cleaning cover 27 is provided with dust sucting pipeline 8, and dust sucting pipeline 8 is connected with dust catcher 10, dust sucting pipeline 8 has suction hole 9; On cleaning cover 27 working face 14, the left frame 16 of cleaning cover 27 is provided with steady pin 3, lower steady pin 11 and controller 12; Controller 12 is made up of energy storage battery, motor-drive circuit and control circuit of dust collector;
The input of described energy storage battery is connected with controller input flexibility contact 32, and when cleaning cover 27 is stopped at collapsible parking bracket 35, controller input flexibility contact 32 and energy storage charger export spring contact 34 and contact, and charge to energy storage battery; The output of energy storage battery is connected with motor-drive circuit, control circuit of dust collector power supply respectively, for drive motors 5 and dust catcher 10 provide the energy.The output of motor-drive circuit is connected with drive motors 5, the output of control circuit of dust collector is connected with dust catcher 10.
Brush lightly dirt cloth 13 for one piece to be fixed in four frames of cleaning cover 27 working face 14, brush lightly the top that dirt cloth 13 is positioned at the suction hole 9 on guiding gutter 6 and dust sucting pipeline 8, brushing lightly dirt cloth 13 has certain slackness.
Collapsible parking bracket 35 by stop bracket 22, cleaning cover spud pile 21,23, energy storage charger 24, energy storage charger exports spring contact 34 and dust-recycling duct road 28 forms.
As shown in Figure 2 a, the stop bracket 22 of collapsible parking bracket 35 is installed with spud pile 21, lower spud pile 23, energy storage charger 24 and dust collection box pipeline 28; Wherein go up spud pile 21, lower spud pile 23 is fixedly mounted on to be positioned at and stops the upper/lower terminal of bracket 22, corresponding with the position of the upper steady pin 3 of cleaning cover 27, lower steady pin 11 respectively; Energy storage charger 24 is fixed on stops right side edge place in the middle part of bracket 22, corresponding with controller 12 position of cleaning cover; Dust collection box pipeline 8 is arranged on the bottom of stopping bracket 22, corresponding with dust catcher 10 position of cleaning cover 27; Stop bracket 22 to be fixed on a side frame of photovoltaic module 30 by hinge.
All have a hole in upper spud pile 21 and lower spud pile 23, the size in this hole and upper steady pin 3 and lower steady pin 11 adaptive.When cleaning cover 27 moves on collapsible parking bracket 35, upper steady pin 3 and lower steady pin 11 insert in the hole of spud pile 21 and lower spud pile 23 respectively, are fixed on collapsible parking bracket 35 by cleaning cover 27.For convenience of safeguarding and current needs, collapsible parking bracket 35 is collapsible, as shown in Figure 2 b.
The input of described energy storage charger 24 is connected with photovoltaic arrays bus rod 29, and output and the energy storage charger of energy storage charger 24 export spring contact 34 and be connected.

Claims (5)

1. a photovoltaic module water-free cleaning device, is characterized in that: described photovoltaic module water-free cleaning device is made up of cleaning cover (27) and collapsible parking bracket (35); Cleaning cover (27) cleans photovoltaic module, and collapsible parking bracket (35) provides the stop position of cleaning cover (27); When not working, cleaning cover (27) is positioned at the top of collapsible parking bracket (35), and during work, cleaning cover (27) departs from collapsible parking bracket (35) and moves on photovoltaic module (30) and clean photovoltaic module;
Described cleaning cover (27) by upper cover (15), cleaning cover frame (1), sealing strip (2), upper steady pin (3), lower steady pin (11), equalizer pulley (4,7), drive motors (5), guiding gutter (6), dust sucting pipeline (8), suction hole (9), dust catcher (10), controller (12), and brushes lightly dirt cloth (13) composition;
In described cleaning cover (27), described upper cover (15) is fixed on four frames of cleaning cover frame (1), prevent rain, in snow-broth enters cleaning cover (27), reinforcement effect played to cleaning cover frame (1) simultaneously; The upper side frame (17) of cleaning cover (27) is provided with a drive motors (5), two equalizer pulleys (4), (7) are arranged on the both sides of upper side frame (17) respectively; The another side relative with upper cover (15) is the working face (14) of cleaning cover (27); The left frame of cleaning cover (27) working face (14) and left frame are provided with sealing strip (2), and the sealing strip (2) on cleaning cover (27) left frame and left frame is fitted with the intimate surface of photovoltaic module (30);
On cleaning cover (27) working face (14), the upper side frame (17) of cleaning cover (27) has guiding gutter (6); The lower frame of cleaning cover (27) is provided with dust sucting pipeline (8), and dust sucting pipeline (8) is connected with dust catcher (10), dust sucting pipeline (8) has suction hole (9);
On cleaning cover (27) working face (14), the left frame (16) of cleaning cover (27) is provided with steady pin (3), lower steady pin (11) and controller (12);
Brushing lightly dirt cloth (13) for one piece is fixed in four frames of cleaning cover (27) working face (14), brush lightly the top that dirt cloth (13) is positioned at the suction hole (9) on guiding gutter (6) and dust sucting pipeline (8), brushing lightly dirt cloth (13) has certain slackness;
Described collapsible parking bracket (35) is made up of stop bracket (22), spud pile (21,23), energy storage charger (24) and dust-recycling duct road (28);
The stop bracket (22) of collapsible parking bracket (35) is installed with spud pile (21), lower spud pile (23), energy storage charger (24) and dust collection box pipeline (28); Wherein go up spud pile (21), lower spud pile (23) is fixedly mounted on to be positioned at and stops bracket (22) upper/lower terminal, corresponding with the upper steady pin (3) of cleaning cover (27), lower steady pin (11) position respectively; Energy storage charger (24) is fixedly mounted on stops right side edge place, bracket (22) middle part, corresponding with controller (12) position of cleaning cover; Dust collection box pipeline (8) is arranged on the bottom of stopping bracket (22), corresponding with dust catcher (10) position of cleaning cover (27); Stop bracket (22) to be fixed on a side frame of photovoltaic module (30) by hinge.
2. according to a kind of photovoltaic module water-free cleaning device according to claim 1, it is characterized in that: in described upper spud pile (21) and lower spud pile (23), all have a hole, the size in this hole respectively with described upper steady pin (3) and lower steady pin (11) adaptive; When cleaning cover (27) moves on collapsible parking bracket (35), upper steady pin (3) and lower steady pin (11) insert in the hole of spud pile (21) and lower spud pile (23) respectively, are fixed on collapsible parking bracket (35) by cleaning cover (27).
3. according to a kind of photovoltaic module water-free cleaning device according to claim 1, it is characterized in that: described controller (12) is made up of energy storage battery, motor-drive circuit and control circuit of dust collector; The input of described energy storage battery is connected with controller input flexibility contact (32), when cleaning cover (27) is stopped at collapsible parking bracket (35), controller input flexibility contact (32) and energy storage charger export spring contact (34) and contact, and charge to energy storage battery; The output of energy storage battery is connected with motor-drive circuit, control circuit of dust collector power supply respectively, for drive motors (5) and dust catcher (10) provide the energy; The output of motor-drive circuit is connected with drive motors (5), the output of control circuit of dust collector is connected with dust catcher (10).
4. according to a kind of photovoltaic module water-free cleaning device according to claim 3, it is characterized in that: the input of described energy storage charger (24) is connected with photovoltaic arrays bus rod (29), output and the energy storage charger of energy storage charger (24) export spring contact (34) and are connected.
5. according to a kind of photovoltaic module water-free cleaning device according to claim 1, it is characterized in that: the stop bracket (22) of described collapsible parking bracket (35) is fixed on the frame of photovoltaic module (30) side by hinge (25,26), after collapsible parking bracket (35) is folding, is in cleaning cover stops folding position (31).
CN201410705315.6A 2014-11-26 2014-11-26 Water-free cleaning device for photovoltaic module Expired - Fee Related CN104467647B (en)

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Publication number Priority date Publication date Assignee Title
CN105834144A (en) * 2016-05-13 2016-08-10 北京中电博顺智能设备技术有限公司 Charging bin and photovoltaic panel cleaning equipment provided with same
CN105834143A (en) * 2016-05-13 2016-08-10 北京中电博顺智能设备技术有限公司 Obstacle crossing mechanism and photovoltaic panel cleaning equipment provided with same
CN105834144B (en) * 2016-05-13 2017-03-29 北京中电博顺智能设备技术有限公司 A kind of photovoltaic panel cleaning equipment
CN106466677A (en) * 2016-09-30 2017-03-01 中冶集团武汉勘察研究院有限公司 A kind of pulsed photovoltaic module cleaning terminal based on restricted clearance and its using method
CN106466677B (en) * 2016-09-30 2019-07-19 中冶集团武汉勘察研究院有限公司 A kind of photovoltaic module cleaning terminal and its application method based on restricted clearance
CN108418548A (en) * 2018-02-11 2018-08-17 同济大学 Photovoltaic panel omnibearing integrated monitors system
CN110560396A (en) * 2019-09-12 2019-12-13 正信光电科技股份有限公司 Photovoltaic module surface cleaning system

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Inventor after: Wang Zhe

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