CN102671875B - Solar PV array cleaning system and cleaning method thereof - Google Patents

Solar PV array cleaning system and cleaning method thereof Download PDF

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Publication number
CN102671875B
CN102671875B CN2012101664941A CN201210166494A CN102671875B CN 102671875 B CN102671875 B CN 102671875B CN 2012101664941 A CN2012101664941 A CN 2012101664941A CN 201210166494 A CN201210166494 A CN 201210166494A CN 102671875 B CN102671875 B CN 102671875B
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China
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cleaning
photovoltaic array
guide rail
drive
main
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CN2012101664941A
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Chinese (zh)
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CN102671875A (en
Inventor
罗黎英
王培峰
朱金宝
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陕西长岭光伏电气有限公司
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    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention relates to the technical field of a solar PV (photovoltaic) array, and discloses a solar PV array cleaning system and a cleaning method thereof. The solar PV array cleaning system comprises an operating device and a main control box, wherein, the operating device is connected with the main control box; the operating device comprises a cleaning device, a main driving device, an auxiliary support driving device, a fixed installation chamber group, a slave guiding rail and a main guiding rail; the cleaning device is installed on the slave guiding rail; one end of the slave guiding rail is connected with the main driving device, and the other end of the slave guiding rail is connected with the auxiliary support driving device; the main guiding rail is installed on a base of the fixed installation chamber group; the fixed installation chamber group is installed on the front side of one side of the solar PV array; and the auxiliary support driving device is installed on the back side of the other side of the solar PV array. By adopting the technical scheme of the solar PV array cleaning system and the cleaning method thereof, real-time monitoring can be achieved, automatic cleaning can be achieved, and the conversion efficiency of the solar PV array can be improved.

Description

A kind of photovoltaic array cleaning systems and clean method thereof
Technical field
The present invention relates to the photovoltaic array technical field, relate more specifically to a kind of photovoltaic array cleaning systems and clean method thereof.
Background technology
Along with the support of China to the regenerative resource industry development, especially to the support of solar energy power generating industry, large-scale photovoltaic plant is many local emergences of China.Distribution of solar energy situation according to China, there is abundant solar energy resources the Northwest, west and south region-by-region, Qinghai-xizang Plateau Region, Inner Mongolia, North China etc., but in these areas, building solar power station exists the dust storm dust larger, the environmental drying sweltering heat, winter, severe cold accumulated snow was difficult for the problem of melting.
When irradiation level at 400-1000W/m 2While in scope, changing, it is constant that the open-circuit voltage of solar module keeps substantially, and the power of solar module and irradiation level are also substantially in direct ratio.And draw according to Preliminary Results, cover the dust of surfaces of cell or the loss of conversion efficiency that accumulated snow can make solar module reaches more than 5%, and the battery component of the regional photovoltaic plants such as loess plateau, Tibet, Xinjiang of China Qinghai is more easily by dust storm dust, snow cover even, have a strong impact on the generated energy in power station.
General solar photovoltaic power plant be all MW class other, the usage quantity of its battery component is all more than the hundreds of thousands piece, and the place of building solar power station not have abundant water resource mostly, artificial water cleans battery component and just seems reasonable not.
Summary of the invention
For making up above-mentioned defect, technical problem of the present invention is to propose a kind of photovoltaic array cleaning systems and clean method thereof, can realize real-time monitoring, and the automated cleaning photovoltaic array improves the photovoltaic array energy conversion efficiency.
In order to achieve the above object, the present invention is achieved by the following technical solutions.
Technical scheme one:
A kind of photovoltaic array cleaning systems is characterized in that described system comprises operating means and main control box, and described operating means is connected with described main control box; Described operating means comprises cleaning device, main drive, secondary support drive device, fixed installation cabin group, from guide rail and main guide rail; Described cleaning device is arranged on described from guide rail, describedly from guide rail one end, be connected with described main drive, the other end is connected with described secondary support drive device, described main guide rail is arranged on the base of described fixed installation cabin group, described fixed installation cabin group is arranged on the front of described photovoltaic array one side, and described secondary support drive device is arranged on the back side of described photovoltaic array opposite side.
The characteristics of technique scheme and further the improvement are:
(1), described cleaning device comprise be used to the shovel of rooting out deposit on photovoltaic array and for generation of and discharge the spraying machine of gas.
(2), described main drive comprises car body, L bracket, U-shaped support and circuit rails, one end of described L bracket is fixedly connected with car body, the other end of described L bracket is fixedly connected with the slide block on being positioned at fixed installation cabin group top circuit track, and described U-shaped support is fixedly connected with described L bracket.
(3) front and back ends of described fixed installation cabin group covers contact block is housed respectively, and the forward and backward side of described U-shaped support is equipped with respectively limit switch.
(4), described cleaning device arranged on left and right sides is equipped with respectively contact-making switch; Describedly from the left and right two ends of guide rail, limited block is housed respectively.
(5), described system also comprises supervising device, described supervising device is connected with described main control box.
Technical scheme two:
A kind of photovoltaic array clean method, is characterized in that, described method comprises:
Step 1: after the power supply of main control box making operation device, main drive is synchronizeed with secondary support drive device and is driven cleaning device along from the clean photovoltaic array of guide rail;
Step 2: when cleaning device moves to the right-hand member from guide rail, and contact with the limited block be positioned at from the guide rail right-hand member, after main drive received contact information, the order cleaning device was reverse, by the clean photovoltaic array from the guide rail right-hand member to left end;
Step 3: when cleaning device moves to the left end from guide rail, and contact with the limited block be positioned at from the guide rail left end, after main drive received contact information, the order cleaning device suspended clean operation;
Step 4: main drive is synchronizeed with secondary support drive device and is driven cleaning device and along main guide rail to assigned direction, move one section preset distance; Then above-mentioned steps two and step 3 are carried out in circulation successively, until photovoltaic array is cleaned complete.
The characteristics of technique scheme and further the improvement are:
(1), photovoltaic array cleaned complete after, main drive is synchronizeed with secondary support drive device and is driven cleaning device and get back to initial position along main guide rail.
(2), photovoltaic array cleaned complete after, main drive sends feedback signal to main control box, main control box records the data of described operating means clean operation after receiving this feedback signal, and turn-offs the power supply of described operating means.
(3), described cleaning device is to clean photovoltaic array with rooting out or discharging gas with spraying machine.
When using cleaning systems of the present invention clean, only need by the power supply of main control box making operation device, namely can realize the automated cleaning of photovoltaic array, in addition, main control box of the present invention can be controlled some cover operating means, every cover operating means cleans a set of photovoltaic array, and main control box is connected with supervising device, can realize the real-time monitoring of operating means operation.Therefore, technical solution of the present invention can realize real-time monitoring, and the automated cleaning photovoltaic array improves the photovoltaic array energy conversion efficiency.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Fig. 1 is photovoltaic array cleaning systems module diagram in the embodiment of the present invention;
Fig. 2 is fixed installation cabin group and main drive cross-sectional schematic in the embodiment of the present invention;
Fig. 3 is cleaning device cross-sectional schematic in the embodiment of the present invention;
Fig. 3-A is the elasticity link cross-sectional schematic in embodiment of the present invention cleaning device;
Fig. 3-B is the horizontal cross-sectional schematic of leading screw fixed structure in embodiment of the present invention cleaning device;
Fig. 3-C is that cross-sectional schematic is looked on the left side of leading screw fixed structure in embodiment of the present invention cleaning device;
Fig. 4 is secondary support drive device cross-sectional schematic in the embodiment of the present invention;
Fig. 5 is photovoltaic array clean method schematic flow sheet in the embodiment of the present invention.
Wherein, 101, fixed installation cabin group; 102, main drive; 103, main guide rail; 104, photovoltaic array; 105, main control box; 106, secondary support drive device; 107, from guide rail; 108, cleaning device; 109, supervising device; 201, shell; 202, circuit rails; 203, L bracket; 204, stuck-module; 205, U-shaped support; 206, the first rotating shaft; 207, the first drive motors; 208, gear; 209, wheel; 210, car body; 211, the first driving-belt; 212, main guide rail gripper shoe; 213, car body protection side plate; 214, base; 215, fixed support plate; 216, axletree; 301, screw; 302, the second drive motors; 303, air accumulator; 304, air accumulator supporting seat; 305, elasticity link; 306, cleaning brush/cleaning cloth; 307, shovel; 308, steam vent; 309, blast pipe; 401, U-shaped wheel carrier; 402, the 3rd drive motors; 403, fixed connecting plate; 404, holder; 405, U-shaped tube connector; 406, auxiliary drive wheels; 407, U-shaped guide rail; 408, the second rotating shaft; 409, height adjustable ring; 410, the first drive; A1, link; A2, spring; A3, sleeve pipe; B1, supporting seat; B2, bracing frame; B3, rotatable supporting member; B4, leading screw.
The specific embodiment
Embodiment of the present invention from guide rail 107, adopt leading screws, the walking mechanism of cleaning device 108 adopts leading screw and screw.
By reference to the accompanying drawings 1, the photovoltaic array cleaning systems comprise operating means, main control box 105 and supervising device 109, and operating means is connected with main control box 105, and main control box 105 is connected with supervising device 109, realize monitoring in real time; Operating means comprises cleaning device 108, main drive 102, secondary support drive device 106, fixed installation cabin group 101, from guide rail 107 and main guide rail 103, cleaning device 108 is arranged on from guide rail 107, from guide rail 107 1 ends, be connected with main drive 102, the other end is connected with secondary support drive device 106; Main guide rail 103 is arranged on the base of fixed installation cabin group 101, and fixed installation cabin group 101 is arranged on the support in photovoltaic array 104 1 side fronts, and secondary support drive device 106 is arranged on photovoltaic array 104 another laterodorsal supports.
By reference to the accompanying drawings 2, fixed installation cabin group 101 is a kind of modular units, by a plurality of devices, repeat to be formed by connecting, the photovoltaic array 104 that can adapt to flexibly different in width, fixed installation cabin group 101 comprises that cross section is L shaped shell 201, circuit rails 202, base 214, drive end bearing bracket, rear end cap and car body protection side plate 213, wherein, base 214 is arranged on photovoltaic array 104, concordant with the upper edge of photovoltaic array 104; Shell 201 be arranged on base 214 above; Drive end bearing bracket is arranged on the front end of base 214; Rear end cap is arranged on the rear end of base 214; Car body protection side plate 213 is arranged on the right side of base 214; and be positioned at circuit rails 202 under, shell 201, base 214, drive end bearing bracket, rear end cap and car body protection side plate 213 surround one be used to laying and protect the zone of main drive 102 and main guide rail 103.Base 214 is arranged on above fixed support plate 215; Main guide rail 103 is arranged on base 214 by main guide rail gripper shoe 212, and main drive 102 is in fixed installation cabin group 101 interior motions.Circuit rails 202 is arranged on the top of shell 201, it is a kind of guide tracked circuit connection component, circuit rails 202 comprises supply module link and communication module link, it connects corresponding assembly on outside circuit and main drive 102, can meet power supply and the communicating requirement of whole operating means under motion state.
Main drive 102 can move along main guide rail 103, main drive 102 comprises car body 210, L bracket 203, U-shaped support 205 and stuck-module 204, wherein, the first drive motors 207 is housed on car body 210, gear 208 engagements of the output of this first drive motors 207 and its below, the first rotating shaft 206 is connected by the first driving-belt 211 with the axletree 216 that the wheel 209 of car body 210 shares, and the wheel of car body 210 is positioned on main guide rail 103; One end of L bracket 203 is connected with car body 210, and the other end of L bracket 203 is fixedly connected with the slide block on being arranged on circuit rails 202; U-shaped support 205 is fixedly connected with L bracket 203, and U-shaped support 205 is fixedly connected with the left end from guide rail 107 by stuck-module 204; Stuck-module 204 1 ends are fixed on movable U-shaped support 205, the other end of stuck-module 204 with from guide rail 107 left ends, be fixedly connected with, by regulating corresponding parts on stuck-module 204, can adjust from the height of guide rail 107 apart from photovoltaic array 104 surfaces.
Two contact blocks also are housed on main drive 102, and the front and back ends that these two contact blocks are installed on respectively fixed installation cabin group 101 covers, the forward and backward side of U-shaped support 205 is equipped with respectively limit switch, the wheel 209 of car body moves along main guide rail 103, respectively with after contact block that front and back ends covers contacts, main drive 102 will stop mobile or oppositely mobile when two limit switches on U-shaped support 205.
By reference to the accompanying drawings 3 and accompanying drawing 3-A, accompanying drawing 3-B, accompanying drawing 3-C, cleaning device 108 is cores of operating means, cleaning device 108 is by producing the surface of the clean photovoltaic arrays 104 of various ways such as gases at high pressure, cleaning device 108 comprises cleaning brush/cleaning cloth 306, the second drive motors 302 and the elasticity link 305 of shovel 307, spraying machine, spade below, wherein, shovel 307 is be used to removing deposit on photovoltaic array 104; Spraying machine for generation of with send gases at high pressure, spraying machine comprises air compressor, air accumulator 303, air accumulator supporting seat 304, blast pipe 309, steam vent 308, air accumulator 303 is arranged on air accumulator supporting seat 304, and the blast pipe 309 on air accumulator 303 passes from the steam vent 308 on spraying machine; The output of the second drive motors 302 meshes with the screw 301 be positioned at from guide rail 107; Elasticity link 305 comprises the sleeve A 3 of spring A2, protection spring A2 and is positioned at the link A1 at spring A2 two ends, and an end of elasticity link 305 is connected with air accumulator supporting seat 304, the other end of elasticity link 305 with shovel 307 and be connected; Fixed structure with the leading screw B4 of screw 301 comprises supporting seat B1, bracing frame B2 and rotatable supporting member B3, by rotatable supporting member B3, bracing frame B2 is fixed on to supporting seat B1 upper, and supporting seat B1 is fixed on the fixed mount of the second drive motors 302.
Cleaning device 108 arranged on left and right sides are equipped with respectively contact-making switch, from the left and right two ends of guide rail 107, limited block is housed respectively, when cleaning device moves to from the left and right two ends of guide rail 107, after limited block from guide rail 107 two ends contacts, according to the order of main drive 102, cleaning device 108 will suspend mobile or oppositely mobile.
By reference to the accompanying drawings 4, secondary support drive device 106 is arranged on the back side of photovoltaic array 104 1 sides, the driving cleaning device 108 of synchronizeing with main drive 102 moves, secondary support drive device 106 comprises the 3rd drive motors 402, U-shaped guide rail 407, accessory drive wheel 406, U-shaped wheel carrier 401, fixed connecting plate 403, holder 404, wherein, the drive of the output of the 3rd drive motors 402 is connected by driving-belt with the first drive 410 that accessory drive wheel 406 shares the second rotating shaft 408, the left arm termination of U-shaped guide rail 407 is connected on the holder 404 that is positioned at photovoltaic array 104 back sides, accessory drive wheel 406 can move on U-shaped guide rail 407, one end of U-shaped tube connector 405 is connected with the 3rd drive motors 402, the other end of U-shaped tube connector 405 is connected with the right-hand member from guide rail 107, U-shaped tube connector 405 can pass through the height adjustable ring 409 of self, regulates from the height of guide rail 107 apart from photovoltaic array 104 surfaces.
Cleaning systems of the present invention also comprise fixing support rack, this fixing support rack is divided into two kinds, an a kind of end of fixing support rack fixes on the ground, the other end is arranged on photovoltaic array 104 fronts, with the base 214 in fixed installation cabin group 101, be connected, fixedly mount in order to fix and to support the device that cabin group 101 etc. is positioned at photovoltaic array 104 fronts; Another kind of fixing support rack is arranged on photovoltaic array 104 back sides, with the supporting seat of secondary support drive device 106, be connected, in order to fix and to support the device that secondary support drive device 106 etc. is positioned at photovoltaic array 104 back sides, fixing support rack is installed firmly in order to make, economic, coordination, itself and solar photovoltaic bracket can be linked together, carry out supporting design and installation.
The fitting operation device, at first will fixedly mount on the fixing support rack of front and back that cabin group 101 and secondary support drive device 106 be arranged on respectively photovoltaic array 104; Reinstall main drive 102, and main guide rail 103 is arranged on the base 214 of fixed installation cabin group 101; Then cleaning device 108 is installed and from guide rail 107, and is adjusted the distance of cleaning device 108 to photovoltaic array 104 positive tops; Finally mounted operating means is adjusted to the initial position state.
After installing operating means, it is connected with main control box 105, main control box 105 is controlled connecting and disconnecting of the circuit and the method for operation of coupled operating means, and main control box 105 is provided with clock controller, by the operation of time control operation device.Main control box 105 is connected with supervising device 109 simultaneously, can realize remote real-time monitoring, and in the process of operating means operation, this operating means ruuning situation is followed the tracks of and recorded to main control box 105.
When in use, main control box 105 fill orders are moved whole operating means, the synchronous cleaning device 108 that drives of main drive 102 and secondary support drive device 106 is moved to the back-end by the front end of photovoltaic array 104 on main guide rail 103, cleaning device 108 is moved to right-hand member by the left end from guide rail 107, when cleaning device 108 moves to from guide rail 107 right-hand members, after limited block from guide rail 107 right-hand members contacted, cleaning device 108 was oppositely by from guide rail 107 right-hand members, moving to left end; When cleaning device 108 moves to from guide rail 107 left ends, after limited block from guide rail 107 left ends contacts, the synchronous cleaning device 108 that drives of main drive 102 and secondary support drive device 106 is after mobile one section predeterminable range on main guide rail 103, this predeterminable range can be set to the width of a solar module, and cleaning device 108 continues clean this cover photovoltaic array 104.
During work, the 3rd drive motors 402 of secondary support drive device 106 rotates, drive the first drive 410 motions, the first drive 410 drives 406 motions of accessory drive wheel, make 406 horizontal movements on U-shaped guide rail 407 of accessory drive wheel, the U-shaped tube connector 405 of simultaneously horizontal movement is connected with the right-hand member from guide rail 107, completes cleaning device 108 and from the process auxiliary drive of guide rail 107.
Main control box 105 is total fixedly control cabinets, can be installed between several photovoltaic arrays 104, can control simultaneously some cover operating means, every cover operating means a set of photovoltaic array 104 capable of washing.
Below in conjunction with accompanying drawing 5, illustrate the clean method of cleaning systems of the present invention, concrete steps are as follows:
S501: main control box 105 is connected communication with supervising device, realizes monitoring and controls function;
S502: main control box 105 operation command, some operating means of controlling are controlled;
Main control box 105 fill orders, connect the power supply of a certain operating means of its control, and for this operating means sends action command, the operating means that receives order brings into operation; Operation by supervising device policer operation in real time device.
S503: main drive 102 is accepted the order of main control box 105 and is started working;
S504: the initial position state is adjusted;
Main drive 102 is adjusted the original state of whole operating means automatically.
S505: cleaning device 108, from guide rail 107, moving from left to right, cleans photovoltaic array;
In the process of cleaning device 108 clean photovoltaic arrays 104, accept and carry out the order that main drive 102 sends, mainly comprising and produce and intermittently discharge gases at high pressure, after limited block contacts, carrying out the order that main drive 102 sends.
S506: cleaning device 108 contacts with the limited block from guide rail 107 right-hand members, and cleaning device 108 is reverse, to left end, moves clean photovoltaic array 104 by the right-hand member from guide rail;
Cleaning device 108 moves to after limited block from guide rail 107 right-hand members contacts, and after main drive 102 receives contact information, sends control commands for cleaning device 108, make its oppositely by right-hand member to the clean photovoltaic array 104 of left end.
S507: cleaning device 108 moves to the limited block from guide rail 107 left ends and contacts, and cleaning device 108 suspends cleaning operation, and main drive 102 moves one section predeterminable range along main guide rail 103;
When cleaning device 108 moves to after limited block from guide rail 107 left ends contacts, after main drive 102 receives contact information, cleaning device 108 suspends clean operations, and main drive 102 is synchronizeed drive cleaning device 108 and along main guide rail 103 to predetermined direction, moved one section predeterminable range with secondary support drive device 106.
S508: main drive 102 moves to correct position, adjusted position configuration state again, and cleaning device 108 starts cleaning operations;
S509: cleaning device 108 by the clean photovoltaic array 104 from guide rail 107 left ends to right-hand member, repeats above-mentioned cleaning course, until cleared up this photovoltaic array 104 again; After having cleaned photovoltaic array, cleaning device is got back to the original state position.
Main drive 102 is after receiving last activation signal, namely be arranged on limit switch on U-shaped support 205 1 sides of main drive 102 with after contact block on being arranged on fixed installation cabin group 101 rear end caps contacts, main drive 102 is synchronizeed with secondary support drive device 106 and is driven cleaning device 108 and get back to the initial position state along main guide rail 103, the limit switch that is arranged on the U205 opposite side be arranged on the contact block fixedly mounted on group 101 drive end bearing brackets of cabin and contact and be original state.
Complete certain cover photovoltaic array 104 clean after, main drive 102 sends feedback signal to main control box 105, and after receiving feedback information, main control box 105 is recorded the related data of this this operation of operating means, and turn-off the power supply of this operating means, guarantee safety.
Main control box 105 is carried out next identical operation, until the controlled operating means of some covers all completes cleaning operation.
At some in particular cases, manual remote control operation device, such as, in order not allow the surperficial accumulated snow of photovoltaic array 104, can manually clean and avoid ice and snow to be frozen on photovoltaic array 104.
Technical solution of the present invention can realize real-time monitoring, and the automated cleaning photovoltaic array improves the photovoltaic array energy conversion efficiency.In addition, solar photovoltaic bracket is installed and used in a large number at solar photovoltaic power plant, the monomer structure flexible design, and cleaning effect is reliable, can assemble with reusability by force, and adaptive capacity to environment is strong, and maintaining is simple and convenient.
The present invention also has numerous embodiments, in every case in spirit of the present invention and essential scope, any change of doing, is equal to replacements, improvement, all within protection scope of the present invention.

Claims (8)

1. photovoltaic array cleaning systems, is characterized in that, described system comprises operating means and main control box (105), and described operating means is connected with described main control box (105);
Described operating means comprises cleaning device (108), main drive (102), secondary support drive device (106), fixed installation cabin group (101), from guide rail (107) and main guide rail (103);
Described cleaning device (108) is arranged on described from guide rail (107), describedly from guide rail (107) one ends, be connected with described main drive (102), the other end is connected with described secondary support drive device (106), described main guide rail (103) is arranged on the base of described fixed installation cabin group (101), described fixed installation cabin group (101) is arranged on the front of described photovoltaic array (104) one sides, and described secondary support drive device (106) is arranged on the back side of described photovoltaic array (104) opposite side;
Described cleaning device (108) comprises be used to the shovel (307) of rooting out the upper deposit of photovoltaic array (104) with for generation of reaching the spraying machine that discharges gas;
Described main drive (102) comprises car body (210), L bracket (203), U-shaped support (205) and circuit rails (202), one end of described L bracket (203) is fixedly connected with car body (210), the other end of described L bracket (203) is fixedly connected with the slide block on being positioned at fixed installation cabin group (101) top circuit track (202), and described U-shaped support (205) is fixedly connected with described L bracket (203).
2. photovoltaic array cleaning systems as claimed in claim 1, is characterized in that, the front and back ends of described fixed installation cabin group (101) covers contact block is housed respectively, and the forward and backward side of described U-shaped support (205) is equipped with respectively limit switch.
3. photovoltaic array cleaning systems as claimed in claim 1, is characterized in that, described cleaning device (108) arranged on left and right sides is equipped with respectively contact-making switch, describedly from the left and right two ends of guide rail (107), limited block is housed respectively.
4. photovoltaic array cleaning systems as claimed in claim 1, is characterized in that, described system also comprises supervising device (109), and described supervising device (109) is connected with described main control box (105).
5. a photovoltaic array clean method, based on photovoltaic array cleaning systems claimed in claim 1, is characterized in that, described method comprises:
Step 1: after the power supply of main control box (105) making operation device, main drive (102) is synchronizeed with secondary support drive device (106) and is driven cleaning device (108) along from the clean photovoltaic array (104) of guide rail (107);
Step 2: when cleaning device (108) moves to from the right-hand member of guide rail (107), and contact with the limited block be positioned at from guide rail (107) right-hand member, after main drive (102) receives contact information, order cleaning device (108) is reverse, by the clean photovoltaic array (104) from guide rail (107) right-hand member to left end;
Step 3: when cleaning device (108) moves to from the left end of guide rail (107), and contact with the limited block be positioned at from guide rail (107) left end, after main drive (102) received contact information, order cleaning device (108) suspended clean operation;
Step 4: main drive (102) is synchronizeed with secondary support drive device (106) and is driven cleaning device (108) and along main guide rail (103) to assigned direction, move one section preset distance; Then above-mentioned steps two and step 3 are carried out in circulation successively, until photovoltaic array (104) is cleaned complete.
6. photovoltaic array clean method as claimed in claim 5, it is characterized in that, photovoltaic array (104) cleaned complete after, main drive (102) is synchronizeed with secondary support drive device (106) and is driven cleaning device (108) and get back to initial position along main guide rail (103).
7. photovoltaic array clean method as claimed in claim 5, it is characterized in that, photovoltaic array (104) cleaned complete after, main drive (102) sends feedback signal to main control box (105), main control box (105) records the data of described operating means clean operation after receiving this feedback signal, and turn-offs the power supply of described operating means.
8. photovoltaic array clean method as claimed in claim 5, is characterized in that, described cleaning device (108) is with shovel (307), to root out or discharge gas with spraying machine to clean photovoltaic array (104).
CN2012101664941A 2012-05-25 2012-05-25 Solar PV array cleaning system and cleaning method thereof CN102671875B (en)

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