WO2015068881A1 - 태양광 모듈용 세정 장치 및 분배 어셈블리 - Google Patents

태양광 모듈용 세정 장치 및 분배 어셈블리 Download PDF

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Publication number
WO2015068881A1
WO2015068881A1 PCT/KR2013/010297 KR2013010297W WO2015068881A1 WO 2015068881 A1 WO2015068881 A1 WO 2015068881A1 KR 2013010297 W KR2013010297 W KR 2013010297W WO 2015068881 A1 WO2015068881 A1 WO 2015068881A1
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WO
WIPO (PCT)
Prior art keywords
washing water
solenoid valve
edges
pair
water supply
Prior art date
Application number
PCT/KR2013/010297
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
유상필
정성대
오에녹
최재호
Original Assignee
㈜하이레벤
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
Priority claimed from KR1020130133762A external-priority patent/KR101589538B1/ko
Priority claimed from KR1020130134179A external-priority patent/KR101568302B1/ko
Application filed by ㈜하이레벤 filed Critical ㈜하이레벤
Priority to JP2016512810A priority Critical patent/JP6140889B2/ja
Publication of WO2015068881A1 publication Critical patent/WO2015068881A1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
    • F24S40/20—Cleaning; Removing snow
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10—Cleaning arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention relates to a cleaning apparatus for a solar module and a distribution assembly thereof, and more particularly, to efficiently clean and cool the surface of a solar module with a small amount of cooling water, and in particular, to supply cooling water supplied through a drain line.
  • the present invention relates to a cleaning device and a distribution assembly for a solar module, which can prevent freezing caused by freezing of a drainage line in winter by natural drainage.
  • the photovoltaic power generation facility is exposed to the external environment for a long time, the amount of condensation is reduced by scattering dust, algae discharge, yellow dust and other pollutants.
  • the temperature rise of the photovoltaic module due to the condensation of the solar light causes a decrease in output of the photovoltaic power generation equipment.
  • snow accumulated on the surface of the solar module acts as one of the direct factors that reduce the power output of the solar module.
  • the photovoltaic power generation facility uses the cooling power to cool down the temperature of the photovoltaic module and cleans or removes dirt, snow, and rain accumulated in the photovoltaic module so that the photovoltaic module can generate a constant output. It is also necessary to have facilities for maintaining the equipment.
  • Such a photovoltaic facility maintenance device includes a method of washing a solar module with a mechanical driving force such as a brush of a vehicle, a method of washing a solar module by connecting water hoses to the top of the solar module and flowing water, And there is a water injection method for washing the solar module by spraying water with strong water pressure through a separate nozzle.
  • the method of using the brush has to produce a separate brush suitable for the maintenance of the photovoltaic facility, and when the solar module is overheated, it does not provide a special method for cooling it.
  • the water spray method of washing the solar module by spraying water through the nozzle is efficient, but this method has a disadvantage in that water consumption is high because it has to spray water with strong water pressure. There is a limit.
  • the present invention is to provide a cleaning device for a solar module that can efficiently clean and cool the surface of the photovoltaic module only by the water pressure of a normal home without using a separate pump.
  • the present invention is to provide a cleaning device for a solar module and a distribution assembly employed therein, which can prevent freezing caused by freezing of the drainage line in winter by naturally draining the cooling water supplied through the drainage line.
  • a plurality of nozzles for spraying the washing water to the solar module A distribution unit for supplying washing water to all or part of the plurality of nozzles simultaneously or at a time difference;
  • a washing water supply unit connected to the distribution unit and piped to supply washing water to the distribution unit;
  • a washing water supply connected to the washing water supply unit and the distribution unit and supplying the washing water to the distribution unit from the washing water supply unit, or to naturally discharge the washing water remaining in the pipe and the distribution unit.
  • a plurality of nozzles, the distribution unit, and the washing water supply / distribution unit may be sequentially disposed in the vertical direction with respect to the solar module.
  • the distribution unit is provided with a number of first solenoid valves corresponding to the plurality of nozzles therein, pipe connection of each of the plurality of nozzles and the first solenoid valve, washing water to each of the plurality of nozzles It is to form a flow path for supplying or discharging the remaining washing water.
  • the washing water supply unit may include a water pipe for supplying tap water as the washing water or an industrial water pipe for supplying industrial water as the washing water, wherein the washing water supply unit supplies ground water as the washing water. It may include a ground water supply pipe connected to the underground well, and a pump connected to the ground water supply pipe to raise the ground water to the washing water supply and distribution side.
  • the washing water supplying and discharging unit may include an inner flow passage formed by pipe connection with the distribution unit and the washing water supply unit, a second solenoid valve provided at an upper end of the inner flow passage, and a lower end of the inner flow passage. And a controller for controlling opening and closing of the third solenoid valve and the second and third solenoid valves, wherein the third solenoid valve is connected to a drain line through which cleaning water for cleaning and cooling of the solar module is completed. It is done.
  • the washing water supplying and discharging unit may include an inner flow passage formed by pipe connection with the distribution unit and the washing water supply unit, a second solenoid valve provided at an upper end of the inner flow passage, and a lower end of the inner flow passage. And a controller for controlling opening and closing of the first solenoid valve, which is integrated in the distribution unit, with the third solenoid valve and the second and third solenoid valves, wherein the third solenoid valve is configured to clean and cool the solar module.
  • the completed washing water is characterized in that it is connected to the drain line.
  • the solar cell cleaning device is mounted on a pipe that interconnects the cleaning water supply and distribution unit, and mixes air into water passing through the inside to supply the cleaning water to the plurality of nozzles. It further comprises a two phase flow assembly for increasing the injection pressure.
  • the nozzle is connected to a pipe connected to the distribution unit and has a nozzle connector having a diameter smaller than the pipe, and a nozzle fixture coupled to one end of the nozzle connector to fix the nozzle connector to the pipe,
  • a discharge port including a hemispherical discharge end having a discharge cutout that is coupled to the other end of the nozzle connector and forward and reverse rotationally and asymmetrically penetrated to one side, and is coupled to an edge of the other end of the nozzle connector;
  • a hemispherical nozzle cover having a plurality of discharge holes arranged in a row along the surface thereof with a built-in discharge port.
  • the distribution unit may include a main body defining an internal space in which the first solenoid valve is embedded, an inlet and outlet port embedded in the main body and connected to each of the first solenoid valves, and the plurality of nozzles therein; And a water distribution port formed with a flow passage communicating with the abnormal flow assembly side, wherein the main body is detachably coupled to the solar module.
  • the controller includes a controller main body including the second and third solenoid valves, a supply port provided at an upper end of the controller main body to communicate with the water pipe and the second solenoid valve, and a lower end of the controller main body.
  • a water supply and drain port connected to an upper end of the drain passage and provided to an upper end of the controller main body to communicate with the abnormal flow assembly side, and electrically connected to the first, second and third solenoid valves, and the first, second and third solenoids.
  • a control panel for controlling the start and stop of the valve.
  • the abnormal flow assembly may include a flow main body in which a flow path narrows toward the middle portion as compared to the upper end and the lower end, and a fluid flow passage penetrating from an outer surface of the flow main body to communicate with the flow flow path, wherein water flows through the flow path. And an air injection flow path forming a flow path into which air is mixed, and a diffuser having a plurality of discharge slits formed on an upper end of the flow body and penetrating up and down.
  • the nozzle connector includes a cylindrical shaft portion having an inner diameter smaller than that of the pipe, a rotation support flange extending from an outer peripheral surface of the end portion of the shaft diameter portion, on which the discharge port is seated, and projecting on the rotation support flange. It has an inner diameter larger than the neck portion, characterized in that it comprises an enlarged diameter portion wrapped with the outlet.
  • the nozzle may further include a cylindrical rotating body extending from an edge of the discharge end and seated on the nozzle connector and rotating.
  • the distribution unit further includes a rotatable link piece provided at one side of the main body, and at least one clamp rotatably coupled to an end portion of the link piece and clamping an edge of the solar module. It is done.
  • the distribution unit may further include a module fixing bolt detachably coupled to the clamp and contact fixed to an edge of the solar module.
  • the main body includes a pair of first surfaces facing each other, a first casing piece including a first connection surface interconnecting the pair of first surfaces, and a pair of second surfaces facing each other. And a second connection surface interconnecting the pair of second surfaces, wherein the pair of second surface edges and the pair of first surface edges are detachably coupled to form the inner space. Closing both open side surfaces formed by the casing piece, the first casing piece and the second casing piece, are coupled along the edges of the open both side surfaces, and form a connection hole through which the outer port of the first solenoid valve is exposed. Wherein the first connection surface faces the solar module, the second connection surface faces the abnormal flow assembly, and the inlet and outlet ports of the water distributor are respectively the first solenoid ball. Characterized in that the connection with the internal port.
  • the main body may include first fixing grooves formed along both side edges of the pair of first surfaces and the first connection surface to accommodate the edges of the side pieces, and the pair of second surfaces and the second surfaces. It is characterized in that it further comprises a second fixing groove formed along both edges of the connection surface for receiving the edge of the side piece.
  • the side piece includes a first surface of one of the pair of first surfaces, a portion of the first connection surface, a second surface of one of the pair of second surfaces, and the second connection surface.
  • a first half coupled with an outer edge along a portion of the first half and having a first cutout groove corresponding to a portion of an outer circumference of the outer port of the first solenoid valve along the remaining edges except the outer edge;
  • An outer edge is coupled along the remaining first surface of the surface, the remaining surface of the first connecting surface, the remaining second surface of the pair of second surfaces, and the remaining portion of the second connecting surface,
  • a second half having a second cutout groove corresponding to the remaining portion of the outer circumferential surface of the outer port of the first solenoid valve along the remaining edges except the edges, the remaining half of the first half and the remainder of the second half.
  • the main body may include a third surface having a predetermined area, a third connecting surface extending from both edges of the third surface, and facing each other, and closing both edges of the third surface and the third connecting surface.
  • a third casing piece including a first side surface, a fourth surface having a predetermined area, a fourth connecting surface extending from both edges of the fourth surface to face each other, and the fourth surface and the fourth connecting surface And a second side surface finishing both side edges of the fourth casing piece, the fourth casing piece being detachably coupled to the third casing piece to form the internal space, between the third casing piece and the fourth casing piece.
  • the water distribution port is disposed, and the edges of the first side and the second side abut each other to form a connection hole for exposing the outer port of the first solenoid valve.
  • the main body may include a third cutout groove cut into a shape corresponding to a portion of an outer circumferential surface of the outer port of the first solenoid valve along an edge of the first side surface, and the first solenoid along an edge of the second side surface. And a fourth cutout groove cut into a shape corresponding to the remaining portion of the outer circumferential surface of the outer port of the valve, wherein the third cutout groove and the fourth cutout groove come into contact with each other to form the connection hole.
  • the main body is mounted between a fastening union for interconnecting the water distribution port and an inner port of the first solenoid valve, and an end of a pipe connecting the outer port of the first solenoid valve and the nozzle. It further comprises a waterproof rubber ring.
  • the solar module cleaning device is characterized in that it further comprises a filter mounted on the pipe that interconnects the washing water supply and the internal flow path.
  • the cleaning device for solar modules according to the present invention can achieve the following effects.
  • the present invention can operate the water pressure of the domestic water pipes, that is, the direct water supplied from the washing water supply unit, without using a separate pump in the washing water supply and distribution, and can be raised through the abnormal flow assembly, thus, The water pressure supplied from the pipe alone can sufficiently clean and cool the solar modules.
  • the present invention can achieve an efficient cleaning and cooling effect by the ideal flow assembly in which air is mixed into the water supplied to the nozzle side to efficiently clean and cool even with a small amount of cooling water, thereby reducing unnecessary waste of water. It becomes possible.
  • the present invention can be utilized for washing and cooling not only tap water supplied from the domestic water pipes as described above as washing water, but also industrial water and ground water, so that it can be used anywhere with water. Excellent versatility
  • the present invention is equipped with various types of filters on the pipe connecting the washing water supply and the washing water supply and distribution, such as water supply pipes, industrial water pipes and ground water pipes to remove various foreign substances mixed in industrial water in the case of industrial water.
  • filters on the pipe connecting the washing water supply and the washing water supply and distribution, such as water supply pipes, industrial water pipes and ground water pipes to remove various foreign substances mixed in industrial water in the case of industrial water.
  • activated carbon filter can be used to remove chlorine in tap water, and in case of ground water, water-based components such as calcium or magnesium ions can be easily removed through soft water filter. Therefore, various kinds of filters can be selectively used according to the kind of water used for washing water.
  • the present invention can achieve an excellent cleaning effect by allowing the water pressure supplied from the water pipe to be uniformly transmitted over the entire area of the solar module through a plurality of nozzles injectable to adjust the angle.
  • the present invention by allowing the nozzle, the distribution unit, the abnormal flow assembly and the washing water supply and discharge are sequentially arranged in the vertical direction, the water sprayed through the nozzle can be naturally drained in the direction of gravity, so that the freezing of the drain line in winter May be prevented.
  • FIG. 1 is a conceptual diagram showing the overall structure of the cleaning device for a solar module according to an embodiment of the present invention
  • Figure 2 is a perspective view showing the appearance of the nozzle of the main part of the solar module cleaning apparatus according to an embodiment of the present invention
  • Figure 3 is an exploded side conceptual view showing the overall structure of the nozzle that is the main part of the solar module cleaning apparatus according to an embodiment of the present invention
  • Figure 4 is an exploded perspective view showing the overall structure of the distribution unit that is the main part of the solar module cleaning apparatus according to an embodiment of the present invention
  • Figure 5 is an exploded perspective view showing the overall structure of the distribution unit that is the main part of the cleaning device for a solar module according to another embodiment of the present invention
  • FIG. 6 is a partially cut perspective view showing the internal structure of the controller, which is a major part of the solar module cleaning apparatus according to an embodiment of the present invention
  • FIG. 7 is a cross-sectional cutaway perspective view showing an internal structure by cutting an abnormal flow assembly, which is a main part of a cleaning device for a photovoltaic module, according to an embodiment of the present invention along a flow direction of a fluid;
  • top, bottom, top, bottom, or top, bottom, etc. are used to distinguish relative positions in the component.
  • the upper part may be called the lower part and the lower part may be named the upper part without departing from the scope of the present invention.
  • FIG. 1 is a conceptual diagram showing the overall structure of a washing apparatus for a solar module according to an embodiment of the present invention.
  • the washing water supplied from the washing water supply unit 60 passes through the washing water supplying and discharging unit C and the distribution unit 30 through the plurality of nozzles 20, 20, 20, and 20. It can be seen that the structure is cleaned and cooled while spraying at a uniform pressure to (10).
  • the plurality of nozzles 20, 20, 20, 20 sprays washing water onto the solar module 10, and the distribution unit 30 cleans all or part of the plurality of nozzles 20, 20, 20, 20. It is to supply water at the same time or to supply time.
  • the washing water supply unit 60 is connected to the distribution unit 30 and piped, and supplies washing water to the distribution unit 30.
  • the washing water supply unit 61 is illustrated as a water pipe 61, but tap water of a general tap water is supplied.
  • the water pipe 61 is not limited to the water pipe 61, and may be, for example, an industrial water pipe or ground water pipe to which industrial water or ground water is supplied.
  • the washing water supply / discharge unit C is connected to the washing water supply unit 60 and the distribution unit 30, and supplies the washing water to the distribution unit 30 from the washing water supply unit 60, or the plurality of nozzles 20, 20, 20, and 20 are discharged from the inside of the washing water or the washing water supply and distribution (C), the cleaning and cooling operation of the photovoltaic module 10 is completed, remaining in the piping (71, 72) and the distribution unit 30 It is to allow the flushing water to be discharged naturally.
  • the plurality of nozzles 20, 20, 20, 20, 20, the distribution unit 30, and the washing water supply / discharge unit C may be sequentially disposed in the vertical direction with respect to the solar module 10, thereby cleaning and cooling operations. This completed or remaining washing water can be naturally discharged along the direction of gravity.
  • the plurality of nozzles 20, 20, 20, and 20 are for supplying the washing water to the solar module 10 as described above, and may control the spray angle of the washing water, and its structure and operation mechanism will be described later. It demonstrates in detail.
  • the distribution unit 30 includes a plurality of nozzles 20, 20, 20, 20 and a number of first solenoid valves 31 corresponding to the plurality of nozzles 20, 20, 20, 20, and a plurality of nozzles 20, 20, 20, 20.
  • Each solenoid valve 31 is pipe-connected to form a flow path for supplying washing water to each of the plurality of nozzles 20, 20, 20, 20 or discharging the used washing water.
  • the washing water supply unit 60 may include a water pipe 61 for supplying tap water as washing water, and may include an industrial water pipe for supplying industrial water as washing water, although not specifically illustrated.
  • the washing water supply unit 60 is supplied to the washing water supply / discharge unit C, which will be described later, at a constant pressure, so that a pump is required.
  • a pump hereinafter, not shown
  • the washing water supply unit 60 is connected to the ground water supply pipe (not shown) and the ground water supply pipe (not shown) to supply groundwater as the washing water, and is connected to the ground water supply pipe (C) It may also include a pump for raising groundwater to the side.
  • washing water supply unit 60 will be described with reference to the structure including the water pipe 61 when the cleaning and cabinet work and the drainage work of the cleaning device for a solar module according to an embodiment of the present invention. something to do.
  • the washing water supply / discharge unit C is connected to the distribution unit 30 and the washing water supply unit 60 to form an inner flow passage 41, the inner flow passage 41 is in communication with the water pipe 61,
  • the second solenoid valve 42 is provided at the upper end of the inner passage 41, and the third solenoid valve 43 is provided at the lower end of the inner passage 41, and the first, second and third solenoid valves 31, 42 are provided. It is to include a controller 40 for controlling the opening and closing of 43.
  • the present invention is an internal flow passage 41 of the washing water supply and distribution portion (C), that is, a pipe 72 for interconnecting the water supply and drain flow passage 46 and the distribution unit 30 to be described later communicated with the internal flow passage (41)
  • An embodiment further includes an ideal flow assembly (50) for increasing the injection pressure of the washing water supplied to the plurality of nozzles (20, 20, 20, 20) by incorporating air into the water passing through the interior and passing through the inside Will be applicable.
  • the nozzles 20, 20, 20, 20, 20, the distribution unit 30, the abnormal flow assembly 50, and the controller 40 are sequentially disposed in the vertical direction from the photovoltaic module 10 side, thereby completing use thereof.
  • the water remaining in the pipes 71 and 72 may be naturally discharged through the drain line 73 in the direction of gravity.
  • the clamp device (not shown) may be separately provided to each nozzle 20 so as to spray the washing water while fixing the frame edge of the solar module 10 and adjusting the angle. .
  • the nozzle 20 may be understood to include a nozzle connector 21, a nozzle fixture 22, an outlet 23, and a nozzle cover 24.
  • the nozzle connector 21 communicates with the pipe 71 connected to the distribution unit 30 and has a diameter smaller than that of the pipe.
  • the nozzle fixture 22 is combined with one end of the nozzle connector 21 to connect the nozzle connector ( 21 is to serve to fix the pipe (71).
  • the outlet 23 includes a hemispherical outlet end 23a having a discharge cutout 23s which is coupled to the other end of the nozzle connector 21 and is forward and reversely rotated and asymmetrically penetrated to one side. will be.
  • the nozzle cover 24 is a hemispherical member which is coupled to the other end edge of the nozzle connector 21 to contain the discharge port 23 and has a plurality of discharge holes 24h arranged in a line along the surface.
  • the nozzle 20 also has a discharge cutout 23s formed through the asymmetrically so that the washing water supplied through the nozzle connector 21 is biased to one side according to the forward and reverse rotation of the discharge end 23a as shown in FIG. 3. Because of the rotation, the direction in which the washing water is discharged is irregularly formed, and thus, the washing water may be discharged at different injection angles through the discharge hole 24h through the discharge cutout 23s.
  • the nozzle connector 21 has a rotation support flange 21f extending from the outer peripheral surface of the end portion of the cylindrical shaft portion 21s having an inner diameter smaller than that of the pipe 71 and seating the outlet port. It can be seen that the structure includes an enlarged diameter portion 21b projecting on the rotation support flange 21f and having an inner diameter larger than the shaft diameter portion 21s and wrapped by the discharge port.
  • the nozzle 20 further includes a cylindrical rotating body 23b extending from the edge of the discharge end 23a and seated on the nozzle connector 21 and rotating, so that the rotating body 23b has the nozzle connector 21. It can be smoothly supported by the rotation support flange (21f) of).
  • the user adjusts the position of the discharge cutout portion 23s by appropriately rotating the rotating body 23b appropriately and reversely so as to adjust the angle at which the washing water is sprayed through the discharge hole 24h in advance and spray the washing water. You can do it.
  • the nozzle cover 24 is made of a transparent or translucent material so that the user can visually identify the stopped position after the discharge cutout 23s rotates.
  • the distribution unit 30 is for supplying the washing water to the plurality of nozzles (20, 20, 20, 20) as described above, as shown in Figure 4 the body 30a and the water distribution unit 30b It can be seen that it contains a structure.
  • the distribution unit 30 is to allow to uniformly distribute the water pressure of the washing water supplied at the elevated water pressure while passing through the flow assembly 50, which will be described later.
  • the main body 30a forms an internal space in which the first solenoid valve 31 is incorporated.
  • the water distribution port 30b has a plurality of nozzles 20, 20, 20, and 20 therein and is provided in the main body 30a and has an inlet and outlet port 30p connected to each of the first solenoid valves 31. A flow path communicating with the flow assembly 50 side is formed.
  • the internal flow path of the water distribution port 30b is formed symmetrically with each other so that the water pressure of the washing water supplied at the elevated water pressure while being passed through the flow assembly 50 will also be uniformly distributed and supplied.
  • the main body 30a preferably includes a clamp 30c connected to the link piece 30k so that the main body 30a can be detachably coupled to the solar module 10.
  • the link piece 30k is rotatably provided at one side of the main body 30a, and the clamp 30c is rotatably coupled to the end of the link piece 30k to clamp at least one edge of the solar module 10.
  • the main body 30a may be referred to as technical means for detachably coupling to the solar module 10.
  • the distribution unit 30 further includes a module fixing bolt 30cb detachably coupled to the clamp 30c and contact-fixed to the edge of the photovoltaic module 10 as shown in the enlarged part on the upper left of FIG. 4. It is desirable to.
  • the module fixing bolt 30cb is detachably fastened to the clamp 30c by screwing, and the end of the module fixing bolt 30cb contacts the edge of the solar module 10 in contact with the clamp 30c. By doing so, it can be referred to as a technical means for preventing damage to the edge of the photovoltaic module 10 due to clamping or releasing of the clamp 30c and maintaining a neat fixed state.
  • main body 30a may apply a structure including the first and second casing pieces 32 and 33 and the side pieces 34 to facilitate assembly and disassembly without the need for a separate tool.
  • the first casing piece 32 includes a pair of first surfaces 32a and 32a facing each other and a first connection surface 32c for interconnecting the pair of first surfaces 32a and 32a. It is.
  • the second casing piece 33 includes a pair of second surfaces 33a and 33a facing each other, and a second connection surface 33c interconnecting the pair of second surfaces 33a and 33a, The pair of edges of the pair of second surfaces 33a and 33a and the edges of the pair of first surfaces 32a and 32a are detachably coupled to form an internal space.
  • the side piece 34 closes the open side surfaces formed by the first casing piece 32 and the second casing piece 33.
  • the side pieces 34 are joined along the edges of the open side surfaces and are connected to the outer port of the first solenoid valve 31.
  • the connection hole 34c through which the 31a is exposed is formed.
  • the first connection surface 32c faces the solar module 10
  • the second connection surface 33c faces the abnormal flow assembly 50
  • the inlet and outlet ports 30p of the water distribution port 30b are respectively. It is connected to the inner port 31b of the first solenoid valve 31.
  • First fixing grooves 35a formed along both edges of the pair of first surfaces 32a and 32a and the first connection surface 32c in the first casing piece 32 to accommodate the edges of the side pieces 34. Is provided.
  • the second casing piece 33 is formed along both edges of the pair of second surfaces 33a and 33a and the second connection surface 33c to accommodate the edges of the side pieces 34. 35b).
  • the first tongue 32t extends from the edge of the first face 32a of one of the pair of first faces 32a and 32a so that one of the pair of second faces 33a and 33a faces each other. It is fixed to the edge of two sides 33a.
  • the second tongue 33t extends from the edge of the remaining second surface 33a of the pair of second surfaces 33a and 33a, and the remaining first of the pair of first surfaces 32a and 32a face each other.
  • One side 32a is fixed to the edge.
  • the first and second tongue pieces 32t and 33t act as members for mutually detaching and coupling the first and second casing pieces 32 and 33, and although not specifically illustrated, the first and second tongue pieces 32t and 33t are not shown.
  • the stepped portions may be formed in a shape corresponding to the first and second tongues 32t and 33t.
  • the present invention further includes a plurality of hook pieces (not shown) at the edges of the first and second tongue pieces 32t and 33t, so that the first and second casing pieces 32 and 33 simply act in a direction away from each other. It goes without saying that the first and second casing pieces 32 and 33 may not be disassembled only by the force to be used.
  • side piece 34 may be applied to the embodiment of the structure including the first half 34a and the second half 34b for the convenience of assembly and disassembly.
  • the first half piece 34a includes one of the first surfaces 32a of the pair of first surfaces 32a and 32a, a part of the first connecting surface 32c, and the pair of second surfaces 33a. , The outer edge of the second face 33a of one of the second connecting surfaces 33c, and the outer port of the first solenoid valve 31 along the remaining edges except the outer edge (33a) A first cutout groove 34ag corresponding to a portion of the outer circumferential surface of 31a) is formed.
  • the second half piece 34b includes the remaining first surfaces 32a and 32a of the pair of first surfaces 32a and 32a, the rest of the first connecting surfaces 32c, and the pair of second surfaces 33a. , The outer edges are joined along the rest of the second surfaces 33a, 33a and the second connection surface 33c of 33a, and the outer side of the first solenoid valve 31 along the remaining edges except the outer edges.
  • a second cutout groove 34bg corresponding to the rest of the outer circumferential surface of the port 31a is formed.
  • the first cutout groove 34ag and the second cutout groove 34bg contact each other, thereby connecting the connection hole 34c. Will form.
  • the engaging tongue 34bt protrudes along the remaining edge of the second half 34b, but is not specifically illustrated but recessed along the remaining edge of the first half 34a in a shape corresponding to the engaging tongue 34bt. It will be able to maintain a secure fastening force by fitting into the coupling groove.
  • the present invention may be applied to the embodiment according to the structure of the main body 30a which is bisected into the third casing piece 35 and the fourth casing piece 36 as shown in FIG.
  • the third casing piece 35 has a third surface 35a having a predetermined area, a third connecting surface 35c extending from both edges of the third surface 35a and facing each other, and a third surface 35a. And first side surfaces 35s closing both edges of the third connection surface 35c.
  • the fourth casing piece 36 has a fourth surface 36a having a predetermined area, a fourth connecting surface 36c extending from both end edges of the fourth surface 36a, and facing each other, and a fourth surface 36a. And a second side surface 36s closing both edges of the fourth connection surface 36c, and are detachably coupled to the third casing piece 35 to form an internal space.
  • first side surface 35s and the second side surface 36s come into contact with each other to form a connection hole 34c through which the outer port 31a of the first solenoid valve 31 is exposed.
  • connection hole 34c is formed by the third cutout groove 35bg and the fourth cutout groove 36bg contacting each other.
  • the third cut groove 35bg is cut into a shape corresponding to a portion of the outer circumferential surface of the outer port 31a of the first solenoid valve 31 along the edge of the first side surface 35s.
  • the fourth cutout groove 36bg is cut into a shape corresponding to the remaining portion of the outer circumferential surface of the outer port 31a of the first solenoid valve 31 along the edge of the second side 36s.
  • the third casing piece 35 and the fourth casing piece 36 are coupled to each other to form an inner space in which the first solenoid valve 31 and the water distribution port 30b are to be built.
  • the main body 30a further includes a fastening union 30bu which interconnects the water distribution port 30b and the inner port 31b of the first solenoid valve 31, thereby providing the water distribution port 30b and 1 Solenoid valve 31 can be mutually fastened and airtight.
  • the main body 30a further includes a waterproof rubber ring 31ap mounted between the outer port 31a of the first solenoid valve 31 and the end portion of the pipe 71 connecting the nozzle 20. It may be possible to maintain waterproof and airtight between the outer port 31a and the nozzle 20.
  • the solenoid valve 31 is also controlled to open and close.
  • the controller main body 40b, the supply port 44, the drain port 45, the water supply and drain channel 46, and the water supply and drain port 47 are largely controlled as shown in FIG. And it can be seen that the structure including the control panel 48.
  • the controller body 40b has a space for accommodating the second and third solenoid valves 42 and 43.
  • the controller base 40b is provided with a main body base which can be detachably coupled to each other to provide convenience of assembly and disassembly and to facilitate inspection and repair. It is preferable that it consists of 40ba) and the main body cover 40bb.
  • the supply port 44 is provided at the upper end of the controller main body 40b to communicate with the water supply pipe 61 of the washing water supply unit 60 and the second solenoid valve 42.
  • the drain port 45 is provided at the lower end of the controller body 40b and communicates with the third solenoid valve 43 provided at the lower end of the inner flow passage 41 connected to the second solenoid valve 42. ) Is also in communication with.
  • the water supply and drainage flow passage 46 is connected to the internal flow passage 41 and is directed toward the upper end side of the controller body 40b.
  • the water supply and drainage port 47 is connected to the upper end of the water supply and drain flow path 46 and is provided at the upper end of the controller body 40b to communicate with the abnormal flow assembly 50 side.
  • the control panel 48 is electrically connected to the first, second and third solenoid valves 31, 42 and 43 and controls the start and stop of the first, second and third solenoid valves 31, 42 and 43, and In addition to the operation and opening and closing state of the first, second, third solenoid valves 31, 42, and 43 to be controlled, the degree of hydraulic pressure increase of the washing water passing through the ideal flow assembly 50 may be output to the screen.
  • control panel 48 includes a display panel 48d for screen output on the circuit board 48p, and the display panel 48d is mounted between the main body cover 40bb and the cover plate 48c. Protected by)
  • a plurality of control buttons 49 are provided adjacent to the control panel 48, and the on / off control of the entire apparatus and the opening / closing operation of the first, second and third solenoid valves 31, 42 and 43 can be performed.
  • the on / off control of the entire apparatus and the opening / closing operation of the first, second and third solenoid valves 31, 42 and 43 can be performed.
  • buttons 49 are described in detail, and the on / off control of the entire apparatus and the first, second, and third solenoid valves may be performed by pressing a button array 49b arranged on a plurality of circuit boards 48p. Various operations including opening and closing operations of 31, 42, and 43 can be performed.
  • a button cover 49c made of a material such as rubber, synthetic rubber, or synthetic resin is provided on the button array 49b to prevent moisture infiltration. You can do it.
  • control operations may be performed by using a remote controller to enable remote control instead of the control panel 48 or through a control application of a mobile terminal such as a mobile phone or a PDA.
  • a remote controller to enable remote control instead of the control panel 48 or through a control application of a mobile terminal such as a mobile phone or a PDA.
  • the ideal flow assembly 50 is to increase the injection pressure of the washing water supplied to the plurality of nozzles (20, 20, 20, 20) as described above, the plurality of nozzles (20, 20, 20, 20) In order to reduce the amount of water used, air is mixed with the washing water supplied to the distribution unit 30.
  • the ideal flow assembly 50 was able to reduce the water consumption by more than 30% compared to the existing device.
  • the abnormal flow assembly 50 is disposed above the water supply pipe 61 of the controller 40, that is, the washing water supply unit 60, air injected into the abnormal flow assembly 50 is discharged from the water supply pipe 61.
  • the washing water supply unit 60 By accelerating the washing water supplied while ascending to the distribution unit 30 side, it is possible to obtain the effect of increasing the injection pressure in the plurality of nozzles 20, 20, 20, 20 without a separate pressurizing device.
  • the washing water is injected from each of the nozzles 20, 20, 20, 20 as the injection pressure of the washing water discharged from each of the nozzles 20, 20, 20, 20 through the abnormal flow assembly 50 is increased. Not only the distance is long, but also the cooling and cleaning effect can be improved.
  • the structure of the abnormal flow assembly 50 will be described in more detail with reference to FIG. 7 as follows.
  • the abnormal flow assembly 50 has a structure including the flow body 51, the air injection passage 52, and the diffuser 53.
  • the flow main body 51 has a flow passage 51f having a diameter narrowed toward the middle portion as compared to the upper end portion and the lower end portion.
  • the air injection flow path 52 penetrates from the outer surface of the flow main body 51 to communicate with the flow flow path 51f, and forms a flow path through which air is mixed into water flowing through the flow flow path 51f.
  • the diffuser 53 is formed at the upper end of the flow body 51 and a plurality of discharge slits 53s penetrating up and down are formed.
  • the upper and lower ends of the flow body 51 are provided with an upper connecting sleeve 55ca and a lower connecting sleeve 55cb communicating with the flow channel 51f, respectively, and the upper and lower connecting sleeves 55ca and 55cb are respectively provided.
  • the piping unit 55a and 55b connect the distribution unit 30 side and the controller 40 side to the pipe 72.
  • the solar module cleaning apparatus according to an embodiment of the present invention, the pipe 72 for interconnecting the water supply pipe 61 and the internal flow passage 41, that is, the water supply and drain flow passage 46 of the washing water supply unit 60.
  • the embodiment of the structure further includes a filter (80, see Fig. 1) mounted on the) may be applied.
  • the filter 80 when the washing water supplied through the plurality of nozzles (20, 20, 20, 20) is tap water supplied from the general water supply, by adopting an activated carbon filter to filter the chlorine contained in the tap water You can remove it.
  • the filter 80 may filter out various foreign substances mixed in the industrial water when the washing water supplied through the plurality of nozzles 20, 20, 20, and 20 is industrial water.
  • the filter 80 may employ a soft water filter to remove components that generate water, such as calcium or magnesium ions, when the washing water supplied through the plurality of nozzles 20, 20, 20, 20 is ground water.
  • a soft water filter to remove components that generate water, such as calcium or magnesium ions, when the washing water supplied through the plurality of nozzles 20, 20, 20, 20 is ground water.
  • the present invention as described above, the washing water sprayed to the solar module 10, as well as the tap water supplied from the domestic water pipe 61, as well as industrial water and ground water, the cleaning and the like of the solar module 10 Since it can be used for cooling, it can be used anywhere with water, and various kinds of filters can be selectively used according to the type of water used as the washing water.
  • the user fixes the plurality of nozzles 20, 20, 20, 20 connected to the pipes 71, 71, 71, 71 from the distribution unit 30 to the edge of the solar module 10 with a clamp device,
  • the distribution unit 30 is also fixed to the edge of the solar module 10 using the clamp 30c.
  • the user sequentially moves toward the lower side from the plurality of nozzles 20, 20, 20, and 20 fixed to the edge of the solar module 10, the distribution unit 30, the ideal flow assembly 50, and the controller 40. ) Should be arranged.
  • the user rotates the rotating body 23b of each of the nozzles 20, 20, 20, and 20 forward and reverse to adjust an appropriate injection angle.
  • the user operates the control panel 48 to turn on the power of the device, the third solenoid valve 43 is operated in a cutoff state, and the first and second solenoid valves 42 are fully opened.
  • the washing water is supplied from the water supply pipe 61 of the washing water supply unit 60 to the controller 40.
  • the washing water is accelerated in the state where the water pressure is increased while passing through the abnormal flow assembly 50 from the controller 40 and supplied to the plurality of nozzles 20, 20, 20, 20, 20, and the nozzles 20, 20, 20, 20.
  • the solar modules 10 are cleaned and cooled by the washing water sprayed from the respective discharge holes 24h.
  • the user locks the water pipe 61 of the washing water supply unit 60 and cuts off the washing water supply further, and then operates the control panel 48 to maintain the open state of the first and second solenoid valves 42. While operating, the third solenoid valve 43 is operated in an open state.
  • the washing water may be naturally drained from the plurality of pipes 71 and 72 via the controller 40 through the drain line 73 in the gravity direction.
  • control panel 48 can turn off the device.
  • the present invention can efficiently clean and cool the surface of the solar module using only the water pressure of a normal home without using a separate pump, and naturally drain the cooling water supplied through the drainage line. It can be seen that the basic technical idea is to provide a solar cell cleaning device that can prevent freezing caused by freezing.
PCT/KR2013/010297 2013-11-05 2013-11-13 태양광 모듈용 세정 장치 및 분배 어셈블리 WO2015068881A1 (ko)

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JP2016512810A JP6140889B2 (ja) 2013-11-05 2013-11-13 太陽光モジュール用洗浄装置及び分配アセンブリー

Applications Claiming Priority (4)

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KR10-2013-0133762 2013-11-05
KR1020130133762A KR101589538B1 (ko) 2013-11-05 2013-11-05 태양광 모듈용 세정 장치
KR1020130134179A KR101568302B1 (ko) 2013-11-06 2013-11-06 태양광 모듈의 세정 장치용 분배 어셈블리
KR10-2013-0134179 2013-11-06

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