CN105944989A - Electric micro water cleaning head for solar panel - Google Patents

Electric micro water cleaning head for solar panel Download PDF

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Publication number
CN105944989A
CN105944989A CN201610318950.8A CN201610318950A CN105944989A CN 105944989 A CN105944989 A CN 105944989A CN 201610318950 A CN201610318950 A CN 201610318950A CN 105944989 A CN105944989 A CN 105944989A
Authority
CN
China
Prior art keywords
brush roll
cleaning head
water cleaning
solar panels
backer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610318950.8A
Other languages
Chinese (zh)
Inventor
周祥才
蔡纪鹤
杨晋华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Institute of Technology
Original Assignee
Changzhou Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changzhou Institute of Technology filed Critical Changzhou Institute of Technology
Priority to CN201610318950.8A priority Critical patent/CN105944989A/en
Publication of CN105944989A publication Critical patent/CN105944989A/en
Pending legal-status Critical Current

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Classifications

    • B08B1/32
    • B08B1/12
    • B08B1/165
    • B08B1/30
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning

Abstract

The invention discloses an electric micro water cleaning head for a solar panel. The electric micro water cleaning head comprises a machine frame, a broken filament brush roller, a damp brush roller, a dry brush roller, a plurality of hard dirt scraping plates and a plurality of rubber water scraping plates. The two ends of the broken filament brush roller, the two ends of the damp brush roller and the two ends of the dry brush roller are fixed to the machine frame. The end portions of the broken filament roller, the damp roller and the dry roller are each provided with a transmission wheel. Speed reduction motors are further fixedly arranged on the machine frame. Transmission wheels are arranged on the speed reduction motors. The transmission wheels of all the brush rollers are matched with the transmission wheels on the speed reduction motors, and therefore all the brush rollers can be driven by the speed reduction motors to rotate, and the electric micro water cleaning head for the solar panel is driven by an external drive device to move. The electric micro water cleaning head for the solar panel is used in cooperation with a mechanical arm of a vehicle for cleaning the solar panel, the cleaning work efficiency of large solar power generation field photovoltaic cell panels is greatly improved, a small amount of water is used, no water stains are left, and the 0.5 MW solar cell panel can be cleaned each hour.

Description

A kind of electronic micro-water cleaning head of solar panels
Technical field
The present invention relates to a kind of solar panels cleaning equipment, particularly to a kind of electronic micro-water cleaning head of solar panels.
Background technology
The current available energy of the earth is fewer and feweri, and solar energy is an inexhaustible energy, and solar energy is made For cleaning, free of contamination new forms of energy, receive significant attention in recent years, particularly photovoltaic generation and photo-thermal power generation field.But, Photovoltaic panel, heliostat (hereinafter referred to as solar panels) expose can accumulate dust in an atmosphere, form greyness, makes solar energy turn Change efficiency and reduce 20%-40%;Birds droppings, descend slowly and lightly thing local complexity photovoltaic panel, and hot spot heat effect can be caused to damage photovoltaic panel;Too Sun plate can not generate electricity when being avenged covering, and the snow nature thawing time such as grade can be longer.
The automatically cleaning technology performing Mars Mission exploitation is used for photovoltaic panel dedusting by NASA and Boston University, by In Cost Problems, the most non-commercialization.Solar panels disclosed in Chinese patent 200710172457.0 and 201110399677.3 Dust arrester is vehicle wiper structure, and dedusting action span is little, has dead angle, is not suitable with the large-scale of wide 20 meters high of 4 meters of China Solar panels, are more not suitable with the heliostat of 100 square meters of Spain PSA and PS10;201110289151.X disclosed scheme Be a slideway being installed in every solar panels both sides block equipped with dedusting snow removing bar crossbeam by the screw mandrel of driven by motor from One end of solar panels is dedusting snow removing to the other end, and program average unit cost is high, and slideway and screw mandrel expose to the sun and rain easy-to-rust, Difficult enforcement.At present, domestic and international " glass with clean ", " photocatalyst " that use " spilling water irrigation ", titanium dioxide to make, " new Type anticorrosion glass coating ", " hand sweeping " etc. and the method that designs around separate unit photovoltaic panel or heliostat, front 4 kinds of methods are all Need more water, and use in the desert area of hydropenia and there is difficulty." hand sweeping " exists that efficiency is low, high the asking of cost Topic, factually border investigation, a 3MW solar power station monthly cleans twice, and it is 1,000,000 yuan that year cleans labour cost.Below all Not being the best bet of dedusting snow removing, to solar electrical energy generation, particularly large-sized solar electric station is the most highly desirable one With low cost, dedusting efficiency of cleaning snow height, the electronic micro-water cleaning head of solar panels of use water trace.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of solar panels (including the illuminator of photovoltaic panel and heliostat) Electronic micro-water cleaning head.
Technical scheme is as follows:
A kind of electronic micro-water cleaning head of solar panels, the lousiness brush roll being fixed in frame including frame and two ends, moist brush roll, Be dried brush roll, several hard scrape dirty plate and several rubber Wiper blades, lousiness brush roll, moist brush roll and dry brush roll End is respectively arranged with drive, and frame is further fixedly arranged on reducing motor, and reducing motor is provided with drive, each The drive of brush roll cooperates with the drive on reducing motor, makes each brush roll being rotated by reducing motor, institute State the electronic micro-water cleaning head of solar panels to move under the driving of external driver device.
As a further improvement on the present invention, the electronic micro-water cleaning head of these solar panels also includes buffering link and being arranged at described The connection stake of Frame end, described buffering link includes cap ned, connecting rod and sleeve pipe handle, and connecting rod is provided with four, the one of connecting rod Hold by sleeve pipe being movably set in the end of cap ned, sleeve pipe handle and cap ned are additionally provided with stopping means, described spacing The pendulum angle of device limiting rod is less than 90 °, and the other end of connecting rod is connected stake flexible connection, on cap ned with described respectively Being additionally provided with hinged pile, hinged pile is for being connected with external driver device.
As a further improvement on the present invention, described stopping means is included in described sleeve pipe the waist-shaped hole of upper setting with at I-shaped The projection of the position setting that the end of frame is corresponding with described waist-shaped hole, described projection is limited in waist-shaped hole, makes the swing of connecting rod Angle is less than 90 °.
As a further improvement on the present invention, described hard is scraped dirty plate and is included soft strip sheet, hard backer and grizzly bar, described Soft strip sheet is made up of the smooth material of soft, wear-resistant that 2-3mm is thick, and described backer is made up of the smooth material of hard, wear-resistant, soft Matter strip sheet is attached on backer, and its width is wider than the width of backer, and the exposed parts of soft strip sheet is equidistantly cut open, Soft strip sheet and hard backer are fixed in frame by grizzly bar.
As a further improvement on the present invention, described rubber Wiper blade includes soft strip sheet, hard backer and grizzly bar, described Soft strip sheet is made up of the elastomeric material that 2-3mm is thick, and described backer is made up of the smooth material of hard, wear-resistant, soft strip sheet Being attached on backer, and its width is wider than the width of backer, the exposed parts of soft strip sheet is equidistantly cut open, soft length Silver and hard backer are fixed in frame by grizzly bar.
As a further improvement on the present invention, the hollow pipe that the middle part of described lousiness brush roll is made up of light material, outside footpath To arrangement lousiness.
As a further improvement on the present invention, the hollow pipe that the middle part of described moist brush roll is made up of light material, outside by In be outwards followed successively by spongy layer and by cleaning the outer layer that fabric or towel floss bafta are constituted;Also set against the position of moist brush roll It is equipped with and the filling pipe of the described moist isometric and uniform pin hole of brush roll, relative with filling pipe side, against the position of moist brush roll Put and be additionally provided with the Wiper blade isometric with described moist brush roll.
As a further improvement on the present invention, the hollow pipe that the middle part of described dry brush roll is made up of light material, outside by In be outwards followed successively by do not absorb water high temperature resistant spongy layer and the outer layer that is made up of towel floss bafta, be dried the first half of brush roll by temperature Degree is limited in the electric heating cover of less than 160 DEG C and covers.
As a further improvement on the present invention, described hard scrapes dirty plate and rubber Wiper blade is respectively provided with two, arranges order and depends on Secondary is that two hard scrape dirty plate, lousiness brush roll, moist brush roll, two rubber Wiper blades, dry brush rolls.
As a further improvement on the present invention, described lousiness is made up of the material of not static electrification.
Beneficial effects of the present invention is as follows:
The electronic micro-water cleaning head of solar panels of the present invention coordinates the mechanical arm cleaning solar panels of vehicle, makes large-sized solar send out The cleaning efficiency of electric field photovoltaic battery panel is greatly improved, and uses water trace, does not stay water mark, the most cleanable 0.5MW's Solar panel.
Accompanying drawing explanation
Fig. 1 is the side view of an embodiment of the present invention.
Fig. 2 is the top view of an embodiment of the present invention.
Fig. 3 is the scraper plate schematic diagram of an embodiment of the present invention.
Fig. 4 is the amplification view of Fig. 3 scraper plate.
Fig. 5 is the side view that the present invention buffers a kind of embodiment of link.
Fig. 6 is the top view that the present invention buffers a kind of embodiment of link.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.These accompanying drawings are the schematic diagram of simplification, only with signal side The basic structure of the formula explanation present invention, therefore it only shows the composition relevant with the present invention.
For ease of explanation, be used herein such as " on ", D score, the term of the position relatively such as "left", "right" be used for Shown in bright figure parts or feature are relative to another parts or the relation of feature, it should be understood that shown in figure Outside, relevant position term refers to regarding person in the face of drawing.
One embodiment of the present of invention is shown in Fig. 1 and Fig. 2, and the electronic micro-water cleaning head of these solar panels includes that two ends are provided with and connects upward Two aspectant frames 8 of stake 1, equipped with reducing motor 7 and three bearing blocks in frame 8, frame 8 is big by four length Being rigidly connected in grizzly bar 2-1,3-1 of solar panels geometric height, grizzly bar 2-1,3-1 are preferably square tube.In frame 8 also Equipped with being placed in the bearing of described bearing block, equipped with drive, (drive includes that lousiness brushroll drive takes turns 4-1, tide in one end of bearing Wet brushroll drive wheel 5-1, dry brushroll drive wheel 6-1), i.e. lousiness brush roll 4, moist brush roll 5, dry brush roll 6 three two The end of projecting shaft of end is fixed in frame 8 through bearing, and is respectively arranged with one end and all fills equipped with drive, two minor faces of frame 8 Have driving decelerating electric machine 7, its motor-driven wheel 7-1 respectively with lousiness brushroll drive wheel 4-1, moist brushroll drive wheel 5-1 and Being dried brushroll drive wheel 6-1 transmission, the motor-driven wheel 7-1 of motor 7 drives brush roll and is anchored on the scraper plate of square tube.A left side subtracts The transmission band envelope of the drive envelope of the power output shaft of speed motor lousiness brushroll drive wheel 4-1, the power of right reducing motor The transmission band envelope of the drive envelope of output shaft moist brushroll drive wheel 5-1 and the periphery of dry brushroll drive wheel 6-1, Both sides are quiet, dynamic equilibrium to make the combination of strip brush roll.Article two, hard scrape dirty plate 4, moist brush roll 5 of 2, lousiness brush roll, The two dry brush rolls 6 of slat gum Wiper blade 3, are arranged in order in frame 8 from right to left, combine electric cleaning head.
Buffer the structure of link as shown in Figure 5 and Figure 6, by a cap ned 9 and four upper, lower horizontals being placed on this cap ned The connecting rod 10 at the two ends of bar 9-3 forms, the sleeve pipe of these four connecting rods 10 11 laterally have for a screw pass and twist in The waist-shaped hole 11-1 of cross bar, limits four the connecting rods 10 swingable angle with the vertical bar centrage of cap ned 16 less than 90 ° (desirably no more than 89 degree).The top of connecting rod 10 is equipped with hinge hole 10-1, and correspondence is articulated with the hinge hole in frame 8 1-1.Be provided with hinged pile 9-1 in the middle part of the vertical bar of cap ned 9, slightly descend place to be provided with secondary hinged pile 9-2 at it, can respectively with car The mechanical arm top stretched out and to control the oil cylinder parallel with solar panels hinged.Electric cleaning head relies on deadweight to be pressed in solar energy On plate, by mechanical arm by buffering link driving electric cleaning head on solar panels lateral or longitudinal movement and clean solar energy Plate.Buffering link guarantees that electric cleaning head is unlikely during mobile cleaning solar panels makes the sun because of too strong external impacts Can damage by plate.
Fig. 1, hard in 2 scrape the structure of dirty plate 2 as shown in Figure 3 and Figure 4, by 2-3mm thick wear-resisting smooth soft such as Soft politef makes soft strip sheet 2-2, soft strip sheet 2-2 and by the hard the hardest polytetrafluoroethyl-ne of smooth high-abrasive material Backer 2-3 that alkene, nylon etc. are made or hardwood bar is made and be affixed, and clamping with pressing plate 2-4, tight by removable fasteners Being fixed on respective grizzly bar 2-1, soft strip sheet 2-2 relatively hard backer 2-3 stretches out 1-2mm, outside soft strip sheet 2-2 Dew part cuts open every 1.2-1.5cm.That rubber Wiper blade 3 structure and hard scrape dirty plate 2 is identical, simply rubber Wiper blade 3 The material of soft strip sheet 2-2 is rubber.The exposed face of soft strip sheet 2-2 cuts open every 1.2-1.5cm, is suitable for photovoltaic Exceed glass surface to aluminium alloy component frame on plate, so have twice scraper plate to be prone to knock to booty as dry and hard in birds droppings front, Accumulated snow on solar panels also can be pushed.
The center pillar of described lousiness brush roll 4 is the hollow pipe of light material such as Carbon fibe, magnesium alloy, PVC, and outer radial is arranged Row nylon yarn or animal hair or man-made hair form brush roll.It is also preferred that the left described lousiness brush roll 4 is pvc pipe outsourcing Corii Caprae seu Ovis or artificial Fur or Pilus Caprae seu Ovis row or other animal hair are arranged, more than staple length 2cm.Lousiness brush roll 4 is driven floating dust or continue and is scraped by slubbing Obstinate booty becomes to removing.The lousiness being dried the arrangement of brush roll outer radial is preferably the material of not static electrification.
Described moist brush roll 5 includes that a center pillar is the hollow pipe of light material such as Carbon fibe, magnesium alloy, PVC, outsourcing by In outside first spongy layer, outer layer is for cleaning fabric or towel floss bafta.The benefit of the one uniform pin hole isometric with moist brush roll 5 Water pipe 5-2 is against the face, lower-left of described moist brush roll 5;At least one Wiper blade 5-2 isometric with moist brush roll is against described The face, bottom right of moist brush roll 5, so can keep moist brush roll 5 the moistest.The dry trace that forward twice scraper plate is not removed, Brush with moist brush roll 5, if moist the dirtiest stopping of brush roll 5 moves ahead, open mass-flow and push down rotation for a moment, dirt is clear Remove, continue to move ahead.
The center pillar of described dry brush roll 6 is the hollow pipe of light material such as Carbon fibe, magnesium alloy, PVC, and outsourcing internal layer is Do not absorb water high temperature resistant sponge, outer layer bag towel floss bafta, and the first half is by the limit temperature electric heating cover below 160 DEG C 6-2 covers, and plays drying functions, keeps dry brush roll to be dried all the time.
Above-mentioned brush roll combination average every square meter weight is 10-15Kg.
In frame 8, different types of scraper plate and different types of roller brush are detachable, put in order and quantity can be according to the sun Degree and character that energy plate is dirty select.
The effectively cleaning length transverse shifting of different types of scraper plate and different types of roller brush should be greater than solar panels when cleaning Geometric height.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff completely may be used With in the range of without departing from this invention technological thought, carry out various change and amendment.The technical scope of the present invention The content being not limited in description, it is necessary to determine its technical scope according to right.

Claims (10)

1. the electronic micro-water cleaning head of solar panels, it is characterised in that: include that machine is fixed at frame (8) and two ends Lousiness brush roll (4) on frame (8), moist brush roll (5), dry brush roll (6), several hard scrape dirty plate (2) and several rubber Wiper blades (3), lousiness brush roll (4), moist brush roll (5) and dry brush roll (6) End be respectively arranged with drive, frame (8) is further fixedly arranged on reducing motor (7), reducing motor (7) being provided with drive on, the drive of each brush roll cooperates with the drive on reducing motor (7), Making each brush roll being rotated by reducing motor (7), the electronic micro-water cleaning head of described solar panels is outside Move under the driving of portion's driving means.
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: also include Buffering link and the connection stake (1) being arranged at described frame (8) end, described buffering link includes cap ned (9), connecting rod (10) and sleeve pipe (11), connecting rod (10) is provided with four, and one end of connecting rod (10) leads to Crossing sleeve pipe and (11) are movably set in the end of cap ned (9), sleeve pipe is on (11) and cap ned (9) Being additionally provided with stopping means, the pendulum angle of described stopping means limiting rod (10) is less than 90 °, connecting rod (10) the other end is connected stake (1) flexible connection with described respectively, cap ned (9) is additionally provided with hinged Stake, hinged pile is for being connected with external driver device.
A kind of electronic micro-water cleaning head of solar panels the most according to claim 2, it is characterised in that: described limit Position device is included in the upper waist-shaped hole arranged of described sleeve pipe handle (11) and in the end of cap ned (9) with described The projection that the position that waist-shaped hole is corresponding is arranged, described projection is limited in waist-shaped hole, makes the swing of connecting rod (10) Angle is less than 90 °.
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: described firmly Matter is scraped dirty plate (2) and is included soft strip sheet (2-2), hard backer (2-3) and grizzly bar (2-1), described soft Matter strip sheet (2-2) is made up of the smooth material of soft, wear-resistant that 2-3mm is thick, and described backer (2-3) is by hard Wear-resisting smooth material is made, and soft strip sheet (2-2) is attached on backer (2-3), and its width is wider than and leans on The width on mountain (2-3), the exposed parts of soft strip sheet (2-2) is equidistantly cut open, soft strip sheet (2-2) It is fixed in frame (8) by grizzly bar (2-1) with hard backer (2-3).
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: described rubber Glue Wiper blade (3) includes soft strip sheet (2-2), hard backer (2-3) and grizzly bar (2-1), described soft Matter strip sheet (2-2) is made up of the elastomeric material that 2-3mm is thick, and described backer (2-3) is smooth by hard, wear-resistant Material is made, and soft strip sheet (2-2) is attached on backer (2-3), and its width is wider than backer (2-3) Width, the exposed parts of soft strip sheet (2-2) is equidistantly cut open, soft strip sheet (2-2) and hard Matter backer (2-3) is fixed in frame (8) by grizzly bar (2-1).
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: described hair The hollow pipe that the middle part of wire brush roller (4) is made up of light material, outer radial arrangement lousiness.
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: described tide The hollow pipe that the middle part of wet brush roll (5) is made up of light material, outside be followed successively by from inside to outside spongy layer and The outer layer being made up of scouring fabric or towel floss bafta;Be additionally provided with against the position of moist brush roll (5) with The filling pipe (5-2) of described moist brush roll (5) isometric and uniform pin hole is relative with filling pipe (5-2) side , be additionally provided with the Wiper blade (5-3) isometric with described moist brush roll (5) against the position of moist brush roll (5).
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: described dry The hollow pipe that the middle part of dry brush roll (6) is made up of light material, outside be followed successively by from inside to outside do not absorb water resistance to High temperature spongy layer and the outer layer being made up of towel floss bafta, be dried the first half of brush roll (6) by temperature limiting Electric heating cover (6-2) below 160 DEG C covers.
A kind of electronic micro-water cleaning head of solar panels the most according to claim 1, it is characterised in that: described firmly Matter scrapes dirty plate (2) and rubber Wiper blade (3) is respectively provided with two, arranges order and is followed successively by two hard and scrapes dirty Plate (2), lousiness brush roll (4), moist brush roll (5), two rubber Wiper blades (3), dry brush rolls (6).
A kind of electronic micro-water cleaning head of solar panels the most according to claim 6, it is characterised in that: described hair Silk is made up of the material of not static electrification.
CN201610318950.8A 2016-05-13 2016-05-13 Electric micro water cleaning head for solar panel Pending CN105944989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610318950.8A CN105944989A (en) 2016-05-13 2016-05-13 Electric micro water cleaning head for solar panel

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Application Number Priority Date Filing Date Title
CN201610318950.8A CN105944989A (en) 2016-05-13 2016-05-13 Electric micro water cleaning head for solar panel

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107824522A (en) * 2017-12-12 2018-03-23 天津城建大学 The intelligent high-efficiency cleaning device of concentrating type solar panel
CN108372174A (en) * 2018-03-05 2018-08-07 天津泰立得塑胶制品有限公司 A kind of glass cleaning machine circulator
CN108480243A (en) * 2018-03-16 2018-09-04 苏州易昇光学材料有限公司 A kind of cleaning device for solar energy heat absorbing coating
CN109317435A (en) * 2018-12-03 2019-02-12 国机(珠海)机器人科技园有限公司 A kind of solar panel clean robot

Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2011181711A (en) * 2010-03-02 2011-09-15 Shunnosuke Shimano Maintenance apparatus of solar cell panel
CN102553873A (en) * 2012-03-27 2012-07-11 还玲华 Solar module surface cleaning device
CN203227636U (en) * 2013-05-06 2013-10-09 英利能源(中国)有限公司 Cleaning device and cleaning vehicle comprising same
CN103350084A (en) * 2013-07-18 2013-10-16 殷培星 Solar cell panel cleaning system in photovoltaic power station
CN204866632U (en) * 2015-07-16 2015-12-16 中国华能集团清洁能源技术研究院有限公司 Plane belt cleaning device
CN105234099A (en) * 2014-06-04 2016-01-13 杨景华 Scraper type cleaning device for photovoltaic panel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011181711A (en) * 2010-03-02 2011-09-15 Shunnosuke Shimano Maintenance apparatus of solar cell panel
CN102553873A (en) * 2012-03-27 2012-07-11 还玲华 Solar module surface cleaning device
CN203227636U (en) * 2013-05-06 2013-10-09 英利能源(中国)有限公司 Cleaning device and cleaning vehicle comprising same
CN103350084A (en) * 2013-07-18 2013-10-16 殷培星 Solar cell panel cleaning system in photovoltaic power station
CN105234099A (en) * 2014-06-04 2016-01-13 杨景华 Scraper type cleaning device for photovoltaic panel
CN204866632U (en) * 2015-07-16 2015-12-16 中国华能集团清洁能源技术研究院有限公司 Plane belt cleaning device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107824522A (en) * 2017-12-12 2018-03-23 天津城建大学 The intelligent high-efficiency cleaning device of concentrating type solar panel
CN108372174A (en) * 2018-03-05 2018-08-07 天津泰立得塑胶制品有限公司 A kind of glass cleaning machine circulator
CN108480243A (en) * 2018-03-16 2018-09-04 苏州易昇光学材料有限公司 A kind of cleaning device for solar energy heat absorbing coating
CN109317435A (en) * 2018-12-03 2019-02-12 国机(珠海)机器人科技园有限公司 A kind of solar panel clean robot

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