CN115228794A - Rotatable belt cleaning device that uses of photovoltaic power generation panel - Google Patents

Rotatable belt cleaning device that uses of photovoltaic power generation panel Download PDF

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Publication number
CN115228794A
CN115228794A CN202210573814.9A CN202210573814A CN115228794A CN 115228794 A CN115228794 A CN 115228794A CN 202210573814 A CN202210573814 A CN 202210573814A CN 115228794 A CN115228794 A CN 115228794A
Authority
CN
China
Prior art keywords
power generation
photovoltaic power
cleaning device
water
fixedly connected
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
CN202210573814.9A
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Chinese (zh)
Inventor
秦子雄
马凯
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.)
Ningxia Jinxin Photovoltaic Power Co ltd
Original Assignee
Ningxia Jinxin Photovoltaic Power Co ltd
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 Ningxia Jinxin Photovoltaic Power Co ltd filed Critical Ningxia Jinxin Photovoltaic Power Co ltd
Priority to CN202210573814.9A priority Critical patent/CN115228794A/en
Publication of CN115228794A publication Critical patent/CN115228794A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143Wipes
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Cleaning By Liquid Or Steam (AREA)

Abstract

The embodiment of the application discloses rotatable belt cleaning device that uses of photovoltaic power generation panel, including telescopic link, back of the body frame, the right-hand member fixed mounting of telescopic link has washing motor element, the bottom fixedly connected with mount pad of washing motor element output shaft, the bottom screw thread of mount pad has cup jointed fixing bolt, clean dish is installed through fixing bolt to the mount pad, the clean soft cloth of bottom fixedly connected with of clean dish. This belt cleaning device is used in photovoltaic power generation panel is rotatable, drives the cleaning disc through washing motor assembly and rotates, makes clean soft cloth wash the bird excrement on photovoltaic power generation panel surface, and the water delivery hose is to cleaning disc department water spray simultaneously, makes clean soft cloth soak, makes things convenient for the rotatory limit in limit to clean repeatedly, and the bird excrement on the clean up photovoltaic power generation panel avoids bird excrement to form the hot spot effect on attaching to the photovoltaic power generation panel.

Description

Rotatable belt cleaning device of using of photovoltaic power generation panel
Technical Field
The application relates to the technical field of photovoltaic power generation panel cleaning, and more particularly relates to a rotatable cleaning device for a photovoltaic power generation panel.
Background
The photovoltaic power generation panel is an array plate composed of photovoltaic cells and used for converting light energy into electric energy, bird droppings fall onto the photovoltaic power generation panel in the using process and are attached to the surface of a photovoltaic power station component to cause the most main factors of component hot spot effect, component damage and system power generation loss, and according to preliminary statistics of the power station, in the component with hot spots, bird droppings account for about two thirds of the total number of hot spot components; the annual average loss electric quantity caused by the bird droppings accounts for more than 3% of the theoretical generated energy of the power station.
Local stains formed by bird droppings are difficult points in component cleaning, the existing photovoltaic component cleaning method comprises a waterwheel washing mode and a robot cleaning mode, but the bird droppings on the component are not cleaned ideally, the bird droppings on the component are cleaned manually, but cleaning work is difficult due to the fact that tools are relatively simple, the positions of parts of the components are higher and the like, actual cleaning efficiency is low, time consumption is long, and therefore the cleaning device capable of rotating the photovoltaic power generation panel is provided.
Disclosure of Invention
In view of the above, the present application provides a rotatable cleaning device for a photovoltaic power generation panel, so as to improve the above problem.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a rotatable belt cleaning device that uses of photovoltaic power generation panel, includes telescopic link, back of the body frame, the right-hand member fixed mounting of telescopic link has washing motor element, the bottom fixedly connected with mount pad of washing motor element output shaft, fixing bolt has been cup jointed to the bottom screw thread of mount pad, clean dish is installed through fixing bolt to the mount pad, the clean soft cloth of bottom fixedly connected with of clean dish, the inside movable sleeve of telescopic link is equipped with the water delivery hose, the right-hand member of water delivery hose extends to the top of clean dish, the left surface fixed mounting of back of the body frame has water pump assembly, generator module is located water pump assembly's top, water pump assembly's delivery outlet and water delivery hose's left end intercommunication, water pump assembly's input port fixedly connected with storage water tank.
Optionally, the telescopic link includes fixed pipe, activity pipe, the activity of activity pipe cup joints in the inside of fixed pipe, the right-hand member fixedly connected with of fixed pipe presss from both sides the cover, the outside screw thread that presss from both sides the cover has cup jointed the nut that tightens up.
Optionally, the fixed mounting of fixed pipe has the handle, the handle includes front handle, back handle, front handle installs the right-hand member at fixed pipe, front handle installs the left end at fixed pipe.
Optionally, a baffle is fixedly sleeved below the movable pipe, and the baffle is located on the left side of the cleaning motor assembly.
Optionally, the bottom of the cleaning motor assembly is fixedly connected with a water blocking cover, the water blocking cover is movably sleeved at the top of the cleaning disc, and the right end of the water delivery hose is fixedly sleeved inside the water blocking cover.
Optionally, the inside of cleaning disc has seted up the hole of permeating water, the hole of permeating water is located the inside of retaining water lid.
Optionally, the back frame comprises an anti-seismic heat insulation plate, a strap is fixedly connected to the right side of the anti-seismic heat insulation plate, a support frame is fixedly connected to the bottom of the anti-seismic heat insulation plate, and the support frame is supported at the bottom of the water storage tank.
Optionally, a storage battery is fixedly mounted on the side face of the generator assembly, the storage battery provides electric power for the cleaning motor assembly and the water pump assembly, and a gasoline tank is fixedly connected to the top of the generator assembly.
The application provides a pair of belt cleaning device is used in photovoltaic power generation panel is rotatable possesses following beneficial effect:
1. this belt cleaning device is used in photovoltaic power generation panel is rotatable, drives the cleaning disc through washing motor assembly and rotates, makes clean soft cloth wash the bird excrement on photovoltaic power generation panel surface, and the water delivery hose is to cleaning disc department water spray simultaneously, makes clean soft cloth soak, makes things convenient for the rotatory limit in limit to clean repeatedly, and the bird excrement on the clean up photovoltaic power generation panel avoids bird excrement to form the hot spot effect on attaching to the photovoltaic power generation panel.
2. This belt cleaning device is used in rotation of photovoltaic power generation panel, through setting up the telescopic link, the length of telescopic link can stretch out and draw back the adjustment, can send cleaning motor assembly to the eminence, make things convenient for people to stand subaerial bird manure to eminence photovoltaic panel surface and clear up, reduce the degree of difficulty of cleaning work, set up the water delivery hose in the inside of telescopic link, can avoid the water delivery hose to drag the stack winding, use more convenience.
3. This rotatable belt cleaning device of using of photovoltaic power generation panel through setting up the back of the body frame, and operating personnel can be got up water pump assembly and generating set spare back of the body, conveniently carries, and the thermal-insulated function of antidetonation has the thermal-insulated function of antidetonation simultaneously, reduces water pump assembly and generating set spare and generates heat the vibrations to people's influence, through setting up generator set spare, can become the electricity generation in field work, does not need the overlap joint electric wire, uses more nimble.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view illustrating a rotatable cleaning device for a photovoltaic power generation panel according to an embodiment of the present disclosure;
fig. 2 is a schematic cross-sectional view illustrating a cleaning apparatus for rotatable photovoltaic power generation panels according to an embodiment of the present application;
fig. 3 is a schematic view illustrating a telescopic rod of a rotatable cleaning device for photovoltaic power generation panels according to an embodiment of the present disclosure;
fig. 4 shows a schematic diagram of a cleaning device for rotatably cleaning a motor assembly of a photovoltaic power generation panel according to an embodiment of the present application;
FIG. 5 illustrates a schematic diagram of a photovoltaic power generation panel rotatable cleaning device generator assembly according to an embodiment of the present application;
fig. 6 shows a schematic diagram of a back frame of a rotatable cleaning device for photovoltaic power generation panels, which is provided by the embodiment of the application.
In the figure: 1. a telescopic rod; 11. a fixed tube; 12. a movable tube; 13. a jacket; 14. tightening the screw cap; 2. a handle; 21. a front grip; 22. a rear grip; 3. a baffle plate; 4. cleaning the motor assembly; 41. a water blocking cover; 42. a mounting base; 43. cleaning the disc; 431. water permeable holes; 44. cleaning the soft cloth; 45. fixing the bolt; 5. a water delivery hose; 6. a back frame; 61. an anti-seismic heat insulation plate; 62. a harness; 63. a support frame; 7. a water pump assembly; 71. a water storage tank; 8. a generator assembly; 81. a gasoline tank; 82. and (4) a storage battery.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a rotatable belt cleaning device of using of photovoltaic power generation panel, including telescopic link 1, back of the body frame 6, telescopic link 1 is including fixed pipe 11, the movable pipe 12, movable pipe 12 activity cup joints the inside at fixed pipe 11, through designing telescopic link 1 into scalable structure, can stretch out and draw back the adjustment to the length of telescopic link 1 as required, can send washing motor element 4 to the eminence, make things convenient for people to stand subaerial bird manure to eminence photovoltaic panel surface and clear up, the right-hand member fixedly connected with of fixed pipe 11 presss from both sides cover 13, the outside screw of pressing from both sides cover 13 has cup jointed and tightens up nut 14, it moves right to tighten up nut 14 through the rotation, can make clamp cover 13 and press from both sides tight movable pipe 12, avoid movable pipe 12 to continue the activity, can fix the length of telescopic link 1, fixed pipe 11's fixed mounting has handle 2, handle 2 includes front handle 21, back handle 22, front handle 21 installs the right-hand member at fixed pipe 11, front handle 21 installs the left end at fixed pipe 11, through setting up front handle 21 and back handle 22, the user can hold front handle 21 and back handle 22 and operate, the condition of slipping under the fixed pipe 12, the baffle 3 side 3 sets up the rotatory baffle 3 that the sewage that the rotatory baffle that can be arranged, it can be equipped with the rotatory splashing in the cleaning motor element 44, it can be gone on the cleaning process of 3, it can be gone on the body to avoid splashing.
Please refer to fig. 2, fig. 4, the right end of the telescopic rod 1 is fixedly provided with a cleaning motor assembly 4, the cleaning motor assembly 4 is arranged, the cleaning disc 43 is driven to rotate by the cleaning motor assembly 4, the cleaning soft cloth 44 can be rotated, the cleaning soft cloth 44 can scrub bird dung, the bottom of the cleaning motor assembly 4 is fixedly connected with a water blocking cover 41, the water blocking cover 41 is movably sleeved on the top of the cleaning disc 43, the water blocking cover 41 is arranged, the water blocking cover 41 can block sprayed clean water, the clean water is prevented from being thrown away by the rotating cleaning disc 43, the clean water can soak the cleaning soft cloth 44 through the water permeable hole 431, the right end of the water conveying hose 5 is fixedly sleeved in the water blocking cover 41, the bottom of the output shaft of the cleaning motor assembly 4 is fixedly connected with a mounting seat 42, the bottom thread of the mounting seat 42 is sleeved with a fixing bolt 45, the mounting seat 42 is provided with the cleaning disc 43 through the fixing bolt 45, the cleaning soft cloth 43 is fixed by using the fixing bolt 45, the cleaning soft cloth 43, the cleaning hose 43 is conveniently installed and used for cleaning the cleaning soft cloth 43, the cleaning soft cloth 5 is worn and worn by the cleaning hose 44, the cleaning soft cloth 5, the cleaning hose 44, the cleaning soft cloth 43 is arranged on the top of the cleaning soft cloth 5.
Referring to fig. 5 to 6, a back frame 6 includes an anti-vibration heat insulation board 61, by setting the anti-vibration heat insulation board 61, the anti-vibration heat insulation board 61 has an anti-vibration heat insulation function, the influence of the heat generation and vibration of a water pump assembly 7 and a generator assembly 8 on people is reduced, a strap 62 is fixedly connected to the right side of the anti-vibration heat insulation board 61, a support frame 63 is fixedly connected to the bottom of the anti-vibration heat insulation board 61, by setting the back frame 6, an operator can back the water pump assembly 7 and the generator assembly 8 to be conveniently carried, the support frame 63 is supported at the bottom of a water storage tank 71, a water pump assembly 7 is fixedly mounted on the left side of the back frame 6, the generator assembly 8 is located above the water pump assembly 7, an output port of the water pump assembly 7 is communicated with the left end of a water delivery hose 5, by setting the water pump assembly 7, the water pump assembly 7 is used for delivering clean water in the water delivery hose 5 from the water storage tank 71 to the water delivery hose 5, a storage battery 82 is fixedly mounted on the side of the generator assembly 8, by setting the generator assembly 8, the generator assembly 8 can work in the field to generate electricity, the electricity is stored in a steam tank 81, the steam generator 81, the generator assembly can be used for cleaning the electric wire, and the electric wire, the electric generator assembly 7 is flexibly connected to provide the electric generator assembly 81.
In summary, according to the rotatable cleaning device for the photovoltaic power generation panel provided by the application, when the rotatable cleaning device is used, the back frame 6 is carried on the back, the photovoltaic power generation panel to be cleaned is found, the length of the telescopic rod 1 is adjusted according to the position of bird dung, the tightening nut 14 is firstly screwed and loosened, then the length of the movable tube 12 inside the fixed tube 11 is adjusted, the length of the telescopic rod 1 is adjusted, then the tightening nut 14 is screwed to fix the length of the telescopic rod 1, then the front handle 21 and the rear handle 22 are held, the cleaning motor assembly 4 is placed at the position of the bird dung, then the water pump assembly 7 is started, clean water inside the water storage tank 71 is conveyed to the cleaning disc 43 through the water conveying hose 5 to be sprayed out, the clean water soaks the cleaning soft cloth 44 through the water permeable hole 431, then the cleaning motor assembly 4 drives the cleaning disc 43 to rotate, the cleaning soft cloth 44 cleans the bird dung, power is stored in the storage battery 82 through the power generation assembly 8, and the power is supplied to the cleaning motor assembly 4, so that the normal operation of the cleaning motor assembly 4 is guaranteed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (8)

1. The utility model provides a rotatable belt cleaning device that uses of photovoltaic power generation panel, includes telescopic link (1), back of the body frame (6), its characterized in that: the utility model discloses a cleaning machine, including telescopic link (1), right-hand member fixed mounting have washing motor element (4), the bottom fixedly connected with mount pad (42) of washing motor element (4) output shaft, fixing bolt (45) have been cup jointed to the bottom screw thread of mount pad (42), clean dish (43) are installed through fixing bolt (45) to mount pad (42), the clean soft cloth (44) of bottom fixedly connected with of clean dish (43), the inside movable sleeve of telescopic link (1) is equipped with water delivery hose (5), the right-hand member of water delivery hose (5) extends to the top of clean dish (43), the left surface fixed mounting of back of the body frame (6) has water pump assembly (7), generator assembly (8) are located the top of water pump assembly (7), the delivery outlet of water pump assembly (7) and the left end intercommunication of water delivery hose (5), the input port fixedly connected with storage water tank (71) of water pump assembly (7).
2. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 1, wherein: the telescopic rod (1) comprises a fixed pipe (11) and a movable pipe (12), wherein the movable pipe (12) is movably sleeved inside the fixed pipe (11), the right end of the fixed pipe (11) is fixedly connected with a clamping sleeve (13), and a tightening nut (14) is sleeved on an external thread of the clamping sleeve (13).
3. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 2, wherein: the fixed mounting of fixed pipe (11) has handle (2), handle (2) include front handle (21), back handle (22), the right-hand member at fixed pipe (11) is installed in front handle (21), the left end at fixed pipe (11) is installed in front handle (21).
4. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 2, wherein: the cleaning device is characterized in that a baffle (3) is fixedly sleeved below the movable pipe (12), and the baffle (3) is positioned on the left side of the cleaning motor component (4).
5. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 1, wherein: the bottom of the cleaning motor component (4) is fixedly connected with a water blocking cover (41), the water blocking cover (41) is movably sleeved at the top of the cleaning disc (43), and the right end of the water delivery hose (5) is fixedly sleeved inside the water blocking cover (41).
6. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 1, wherein: a water permeable hole (431) is formed in the cleaning disc (43), and the water permeable hole (431) is positioned in the water blocking cover (41).
7. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 1, wherein: back of the body frame (6) is including antidetonation heat insulating board (61), the right side fixedly connected with braces (62) of antidetonation heat insulating board (61), the bottom fixedly connected with support frame (63) of antidetonation heat insulating board (61), support frame (63) support is in the bottom of storage water tank (71).
8. The rotatable cleaning device for photovoltaic power generation panels as claimed in claim 1, wherein: the side fixed mounting of generator module (8) has battery (82), battery (82) are for rinsing motor element (4), water pump assembly (7) provide electric power, the top fixedly connected with petrol tank (81) of generator module (8).
CN202210573814.9A 2022-05-24 2022-05-24 Rotatable belt cleaning device that uses of photovoltaic power generation panel Pending CN115228794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210573814.9A CN115228794A (en) 2022-05-24 2022-05-24 Rotatable belt cleaning device that uses of photovoltaic power generation panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210573814.9A CN115228794A (en) 2022-05-24 2022-05-24 Rotatable belt cleaning device that uses of photovoltaic power generation panel

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CN115228794A true CN115228794A (en) 2022-10-25

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Publication number Priority date Publication date Assignee Title
CN2298745Y (en) * 1997-12-01 1998-12-02 温州太平洋轻工有限公司 Support curtain hook
CN2607099Y (en) * 2003-03-18 2004-03-24 赵光中 Multifunctional cleaner
CN103784076A (en) * 2012-11-02 2014-05-14 青岛理工大学琴岛学院 Window cleaning device
CN104686480A (en) * 2013-12-06 2015-06-10 大连市沙河口区中小微企业服务中心 Spraying control system for agricultural chemical spray rod
CN106618358A (en) * 2016-08-30 2017-05-10 楊卫东 Self-absorption-drying, circulating, long-acting and full-intelligent glass cleaning robot
CN107510226A (en) * 2017-08-31 2017-12-26 安徽信息工程学院 Cleaning brush
CN107583897A (en) * 2017-10-29 2018-01-16 束春花 A kind of household electrical appliances cleaning device
CN207103236U (en) * 2017-08-16 2018-03-16 西安金扫把光伏科技有限公司 A kind of spot stripping machine of photovoltaic module
JP2019005422A (en) * 2017-06-28 2019-01-17 株式会社北村製作所 Cleaning tool
CN211268287U (en) * 2019-09-25 2020-08-18 江苏江达生态环境科技有限公司 Automatic spout medicine device
CN211724457U (en) * 2019-10-23 2020-10-23 扬州江亚消防装备有限公司 Knapsack spray fire gun
KR102181438B1 (en) * 2019-09-30 2020-11-23 주식회사 더블유피 Portable solar panel cleaning apparatus
CN212442460U (en) * 2020-02-26 2021-02-02 湖南馨雅林工程技术有限公司 Backpack photovoltaic module belt cleaning device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2298745Y (en) * 1997-12-01 1998-12-02 温州太平洋轻工有限公司 Support curtain hook
CN2607099Y (en) * 2003-03-18 2004-03-24 赵光中 Multifunctional cleaner
CN103784076A (en) * 2012-11-02 2014-05-14 青岛理工大学琴岛学院 Window cleaning device
CN104686480A (en) * 2013-12-06 2015-06-10 大连市沙河口区中小微企业服务中心 Spraying control system for agricultural chemical spray rod
CN106618358A (en) * 2016-08-30 2017-05-10 楊卫东 Self-absorption-drying, circulating, long-acting and full-intelligent glass cleaning robot
JP2019005422A (en) * 2017-06-28 2019-01-17 株式会社北村製作所 Cleaning tool
CN207103236U (en) * 2017-08-16 2018-03-16 西安金扫把光伏科技有限公司 A kind of spot stripping machine of photovoltaic module
CN107510226A (en) * 2017-08-31 2017-12-26 安徽信息工程学院 Cleaning brush
CN107583897A (en) * 2017-10-29 2018-01-16 束春花 A kind of household electrical appliances cleaning device
CN211268287U (en) * 2019-09-25 2020-08-18 江苏江达生态环境科技有限公司 Automatic spout medicine device
KR102181438B1 (en) * 2019-09-30 2020-11-23 주식회사 더블유피 Portable solar panel cleaning apparatus
CN211724457U (en) * 2019-10-23 2020-10-23 扬州江亚消防装备有限公司 Knapsack spray fire gun
CN212442460U (en) * 2020-02-26 2021-02-02 湖南馨雅林工程技术有限公司 Backpack photovoltaic module belt cleaning device

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