CN206305093U - A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives - Google Patents
A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives Download PDFInfo
- Publication number
- CN206305093U CN206305093U CN201621416157.3U CN201621416157U CN206305093U CN 206305093 U CN206305093 U CN 206305093U CN 201621416157 U CN201621416157 U CN 201621416157U CN 206305093 U CN206305093 U CN 206305093U
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- China
- Prior art keywords
- photovoltaic module
- brush
- guide rail
- automatic cleaning
- sliding block
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- 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
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- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives, including photovoltaic module and washing and brushing device, the bottom of the photovoltaic module is installed with four supporting legs, guiding gutter is installed with positive two supporting legs of photovoltaic module, one end of the guiding gutter is fixedly connected with drainpipe, and the first guide rail and the second guide rail are respectively arranged with the top and bottom of photovoltaic module.The photovoltaic module automatic cleaning system of the double brush rotations of the hydraulic drives, the front of brush is bonded with bristle, bristle is contacted with the surface of photovoltaic module, the pressure produced by current is sprayed on flabellum makes brush rotation clean the surface of photovoltaic module, and brush does not produce pressure to the surface of pipe photovoltaic module, the possibility damaged to photovoltaic module during cleaning photovoltaic module is effectively reduced, existing photovoltaic module automatic cleaning equipment complex structure is solved the problems, such as, easily photovoltaic module is damaged.
Description
Technical field
The utility model is related to photovoltaic module cleaning technique field, the photovoltaic group of the double brush rotations of specially a kind of hydraulic drives
Part automatic cleaning system.
Background technology
With the extensive development application of photovoltaic industry, later maintenance and the raising photovoltaic efficiency of photovoltaic generating system
Problem be increasingly becoming focus of concern, long-term work can pile up the spots such as substantial amounts of dust to photovoltaic module out of doors, this
Have become one of principal element of the influence steady Effec-tive Function of photovoltaic generating system efficiency, although photovoltaic module can be by rainfall
Self-cleaning is carried out, but in the larger environment of some dusts, the poor effect so cleaned by rainfall, when dust heap
When product is thicker, the mud produced after dust and contacting rain water can also be bonded in the surface of photovoltaic module, the generating efficiency meeting of component
Influenceed by serious, caused system lower power production, lost huge；
The major way of current photovoltaic module cleaning has artificial cleaning and industrial washing device to rinse, artificial cleaning effect
Rate is low, it is ensured that all photovoltaic modulies keep cleaning, not only clean that staffing is more, working strength greatly, and due to photovoltaic group
The reason for material is more fragile in itself, artificial cleaning may damage photovoltaic module to part, and its initial stage is cleaned using industrial washing device
Investment is big, and industrial washing device is also limited by site contour landforms, it is impossible to effectively implement cleaning, meanwhile, high pressure
The photovoltaic module short circuit that hydraulic giant is also resulted in causes decrease of power generation, and the ice sheet that use in winter giant is produced can weakened light
Effect is learned, the photovoltaic plant in the north is particularly acute, and there is many such as transmissions in existing photovoltaic module automatic cleaning equipment
Part is more, there is the risk of scratch in cleaning process to photovoltaic module surface.
Utility model content
（One）The technical problem of solution
In view of the shortcomings of the prior art, the utility model is automatic there is provided a kind of photovoltaic modulies of the double brush rotations of hydraulic drives
Purging system, solves the problems, such as existing photovoltaic module automatic cleaning equipment complex structure, easily photovoltaic module is damaged.
（Two）Technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of double brush rotations of hydraulic drives
The photovoltaic module automatic cleaning system for turning, including photovoltaic module and washing and brushing device, the bottom of the photovoltaic module is installed with
Four supporting legs, are installed with guiding gutter on positive two supporting legs of photovoltaic module, one end of the guiding gutter is fixed and connected
Drainpipe is connected to, the first guide rail and the second guide rail, first guide rail are respectively arranged with the top and bottom of the photovoltaic module
Be internally provided with toothrow.
The washing and brushing device includes brush board, and the top and bottom of the brush board have been respectively fixedly connected with first connecting rod and second
One end of connecting rod, the first connecting rod and second connecting rod is installed with the first sliding block and the second sliding block respectively, and described first slides
Block and the second sliding block are connected with the first guide rail and the second slide respectively, and the upper surface of first sliding block is fixed by support
Servomotor is connected with, the medial surface of the brush board offers two the first circular grooves, two inside of the first circular groove
The second circular groove is offered, the inside of two the second circular grooves is installed with clutch shaft bearing, the first circular groove
Be internally provided with brush, the outer surface of the brush is provided with the flabellum being spaced substantially equidistant, and the back side of the brush is provided with
Rotating shaft, the outer surface of the rotating shaft is fixedly connected with the inner surface of clutch shaft bearing, and the front of the brush is bonded with bristle, described
Bristle is contacted with the surface of photovoltaic module, and the inside of the brush board is further opened with two water channels, two water channels respectively with two
Two circular grooves are connected, and the one side of the photovoltaic module is installed with processor, and the one side of the photovoltaic module also divides
Storage tank and power module are not provided with, and the inside of the storage tank is respectively arranged with level sensor and water pump, the water pump
Water side be fixedly connected with outlet pipe, the water side of the outlet pipe is fixedly connected with the water inlet end of water channel.
The input of the processor is electrically connected with the output end of power module, and the input of the processor is also electrically connected
The output end for having the output end of level sensor, the processor is electrically connected touch-screen, servo controller and water pump
Input, the output end of the servo controller is electrically connected with the input of servomotor.
Preferably, the inside of first sliding block offers through hole, the L-shaped shape of through hole, and the inside of the through hole sets
Second bearing is equipped with, the output end of the servomotor extends to the inside of through hole and fixed with the inner surface of second bearing and connects
Connect, the output end of the servomotor is also installed with gear, and the gear is engaged with the toothrow in the first guide rail.
Preferably, the storage tank is disposed in the interior or outdoor buried；The processor is attached to and is cleaned photovoltaic module
Indoors, the guiding gutter is oblique for upper or installation, and the drainpipe is located at the relatively low one end of guiding gutter level height.
Preferably, the level sensor is located at the bottom of water butt, and the water pump is located at the surface of level sensor.
（Three）Beneficial effect
The utility model provides a kind of photovoltaic module automatic cleaning systems of the double brush rotations of hydraulic drives, and possessing following has
Beneficial effect：
（1）, the double brush rotations of the hydraulic drives photovoltaic module automatic cleaning systems, by two, photovoltaic module front branch
Guiding gutter is provided with leg, guiding gutter is oblique, drainpipe is located at the relatively low one end of guiding gutter level height, will can clean
The sewage produced during photovoltaic module collects unified discharge, reaches the effect that will not pollute surrounding environment, the top of photovoltaic module
Portion and bottom are respectively arranged with the first guide rail and the second guide rail, and washing and brushing device includes brush board, and the top and bottom of brush board are solid respectively
Surely first connecting rod and second connecting rod are connected with, one end of first connecting rod and second connecting rod is installed with the first sliding block and respectively
Two sliding blocks, the first sliding block and the second sliding block are connected with the first guide rail and the second slide respectively, and the medial surface of brush board is offered
Two the first circular grooves, two inside of the first circular groove offer the second circular groove, two the second circular grooves
Inside be installed with clutch shaft bearing, the first circular groove is internally provided with brush, and the outer surface of brush is provided with
The flabellum of distance arrangement, the back side of brush is provided with rotating shaft, and the outer surface of rotating shaft is fixedly connected with the inner surface of clutch shaft bearing, brush
The front of disk is bonded with bristle, and bristle is contacted with the surface of photovoltaic module, and the pressure produced by current is sprayed on and makes brush on flabellum
Disk rotates and the surface of photovoltaic module is cleaned, and brush does not produce pressure to the surface of photovoltaic module, effectively reduces
The possibility damaged to photovoltaic module during cleaning photovoltaic module, it is to avoid the abrasion on photovoltaic module surface, simple structure, solution
Determine existing photovoltaic module automatic cleaning equipment complex structure, the easily problem that is damaged to photovoltaic module, be provided with processor,
The output end of processor electrically connects the input of touch-screen, and convenient use person understands and whole purging system is operated.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model brush board structural representation；
Fig. 3 is the utility model brush board sectional view；
Fig. 4 is the utility model the first slide block structure schematic diagram；
Fig. 5 is the utility model water butt sectional view；
Fig. 6 is the utility model structured flowchart.
In figure：1 photovoltaic module, 2 washing and brushing devices, 3 supporting legs, 4 guiding gutters, 5 drainpipes, 6 first guide rails, 7 second guide rails, 8
Toothrow, 9 brush boards, 10 first connecting rods, 11 second connecting rods, 12 first sliding blocks, 13 second sliding blocks, 14 supports, 15 servomotors, 16
One bearing, 17 brushs, 18 flabellums, 19 rotating shafts, 20 bristles, 21 processors, 22 storage tanks, 23 power modules, 24 level sensors,
25 water pumps, 26 outlet pipes, 27 servo controllers, 28 through holes, 29 second bearings, 30 gears, 31 touch-screens.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-6 are referred to, the utility model provides a kind of technical scheme：A kind of photovoltaic module of the double brush rotations of hydraulic drives
Automatic cleaning system, including photovoltaic module 1 and washing and brushing device 2, the bottom of photovoltaic module 1 are installed with four supporting legs 3, photovoltaic
Guiding gutter 4 is installed with 1 positive two supporting leg 3 of component, one end of guiding gutter 4 is fixedly connected with drainpipe 5, can be by
The sewage produced during cleaning photovoltaic module 1 collects unified discharge, reaches the effect for not polluting surrounding environment, photovoltaic module 1
Top and bottom be respectively arranged with the first guide rail 6 and the second guide rail 7, the first guide rail 6 is internally provided with toothrow 8.
Washing and brushing device 2 includes brush board 9, and the top and bottom of brush board 9 have been respectively fixedly connected with the company of first connecting rod 10 and second
One end of bar 11, first connecting rod 10 and second connecting rod 11 is installed with the first sliding block 12 and the second sliding block 13 respectively, and first slides
The sliding block 13 of block 12 and second is slidably connected with the first guide rail 6 and the second guide rail 7 respectively, and the upper surface of the first sliding block 12 passes through support
14 are fixedly connected with servomotor 15, and servomotor 15 can make control speed, and positional precision is very accurate, can be by voltage signal
Torque and rotating speed are converted into drive control object, the rotor speed of servomotor 15 is controlled by input signal, and energy fast reaction,
In automatic control system, as executive component, and with characteristics such as electromechanical time constant small, the linearity is high, pickup voltages, can
The electric signal for being received is converted into angular displacement on motor reel or angular speed output, the inside of the first sliding block 12 offers logical
Hole 28, through hole 28 L-shaped shape, through hole 28 is internally provided with second bearing 29, and the output end of servomotor 15 extends to through hole
28 inside is simultaneously fixedly connected with the inner surface of second bearing 29, and the output end of servomotor 15 is also installed with gear 30,
Gear 30 is engaged with the toothrow 8 in the first guide rail 6, and the medial surface of brush board 9 offers two the first circular grooves, two first circles
The inside of connected in star offers the second circular groove, and the inside of two the second circular grooves is installed with clutch shaft bearing
16, the first circular groove is internally provided with brush 17, and the outer surface of brush 17 is provided with the flabellum 18 being spaced substantially equidistant, brush
17 back side is provided with rotating shaft 19, and the outer surface of rotating shaft 19 is fixedly connected with the inner surface of clutch shaft bearing 16, the front of brush 17
Bristle 20 is bonded with, bristle 20 is contacted with the surface of photovoltaic module 1, the inside of brush board 9 is further opened with two water channels, two water channels
Connected with two the second circular grooves respectively, the one side of photovoltaic module 1 is installed with processor 21, the one of photovoltaic module 1
Side is also respectively provided with storage tank 22 and power module 23, and storage tank 22 is disposed in the interior or outdoor buried；Processor 21 according to
It is attached to and is cleaned on photovoltaic module 1 or installs indoors, guiding gutter 4 is oblique, drainpipe 5 is located at the level height of guiding gutter 4
Relatively low one end, the inside of storage tank 22 is respectively arranged with level sensor 24 and water pump 25, and level sensor 24 is located at water storage
The bottom of bucket, water pump 25 is located at the surface of level sensor 24, and the water side of water pump 25 is fixedly connected with outlet pipe 26, water outlet
The water side of pipe 26 is fixedly connected with the water inlet end of water channel, and the pressure produced by current is sprayed on flabellum 18 and rotates brush 17
Surface to photovoltaic module 1 is cleaned, and brush 17 does not produce pressure to the surface of photovoltaic module 1, effectively reduces
The possibility that is damaged to photovoltaic module 1 during cleaning photovoltaic module 1, it is to avoid the abrasion on the surface of photovoltaic module 1, simple structure,
Solve the problems, such as existing photovoltaic module automatic cleaning equipment complex structure, easily photovoltaic module 1 is damaged.
The input of processor 21 is electrically connected with the output end of power module 23, and the input of processor 21 is also electrically connected with
The output end of level sensor 24, the output end of processor 21 has been electrically connected touch-screen 31, servo controller 27 and water pump
25 input, servo-driver 27 is a kind of controller for controlling servomotor 15, and its effect is made similar to frequency converter
For common alternating current motor, belong to a part for servo-drive system, high-precision alignment system is mainly used in, generally by position
Put, three kinds of modes of speed and torque are controlled to servomotor 15, realize high-precision transmission system positioning, be currently transmission
The high-end product of technology, the output end of servo controller 27 is electrically connected with the input of servomotor 15.
When using, user is operated by touch-screen 31 to system, and water pump 25 and servomotor 15 are started working, water
Pump 25 pumps into brush board 9 water in storage tank 22, and photovoltaic module 1 is carried out by the impulsion drive bristle 20 of brush 17 of flabellum 18
Cleaning, is cleaned the sewage remittance guiding gutter 4 for producing and is discharged by drainpipe 5.
The correlation module being related in the system is hardware system module or is prior art Computer Software journey
The functional module that sequence or agreement are combined with hardware, computer software programs or agreement involved by the functional module itself
The technology being well known to those skilled in the art, it is not the improvements of the system, and the system is improved between each module
Interaction relationship or annexation, the as overall construction to system is improved, to be solved with solving the system
Relevant art problem.
In sum, the photovoltaic module automatic cleaning system of the double brush rotations of the hydraulic drives, the top and bottom of photovoltaic module 1
Portion is respectively arranged with the first guide rail 6 and the second guide rail 7, and washing and brushing device 2 includes brush board 9, and the top and bottom of brush board 9 are fixed respectively
It is connected with first connecting rod 11 and second connecting rod 12, one end of first connecting rod 10 and second connecting rod 11 is installed with the first cunning respectively
The sliding block 13 of block 12 and second, the first sliding block 12 and the second sliding block 13 are slidably connected with the first guide rail 6 and the second guide rail 7 respectively, brush
The medial surface of plate 9 offers two the first circular grooves, and two inside of the first circular groove offer the second circular groove,
Two inside of the second circular groove are installed with clutch shaft bearing 16, and the first circular groove is internally provided with brush 17,
The outer surface of brush 17 is provided with the flabellum 18 being spaced substantially equidistant, and the back side of brush 17 is provided with rotating shaft 19, the appearance of rotating shaft 19
Face is fixedly connected with the inner surface of clutch shaft bearing 16, and the front of brush 17 is bonded with the table of bristle 20, bristle 20 and photovoltaic module 1
Face contacts, and effectively reduces the possibility damaged to photovoltaic module 1 during cleaning photovoltaic module 1, solves existing photovoltaic group
Part automatic cleaning equipment complex structure, the problem for easily being damaged to photovoltaic module 1.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element for limiting, it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives, including photovoltaic module（1）And washing and brushing device
（2）, it is characterised in that：The photovoltaic module（1）Bottom be installed with four supporting legs（3）, the photovoltaic module（1）Front
Two supporting legs（3）On be installed with guiding gutter（4）, the guiding gutter（4）One end be fixedly connected with drainpipe（5）, institute
State photovoltaic module（1）Top and bottom be respectively arranged with the first guide rail（6）With the second guide rail（7）, first guide rail（6）'s
It is internally provided with toothrow（8）；
The washing and brushing device（2）Including brush board（9）, the brush board（9）Top and bottom be respectively fixedly connected with first connecting rod
（10）And second connecting rod（11）, the first connecting rod（10）And second connecting rod（11）One end be installed with the first sliding block respectively
（12）With the second sliding block（13）, first sliding block（12）With the second sliding block（13）Respectively with the first guide rail（6）With the second guide rail
（7）It is slidably connected, first sliding block（12）Upper surface pass through support（14）It is fixedly connected with servomotor（15）, the brush
Plate（9）Medial surface offer two the first circular grooves, it is circular recessed that two inside of the first circular groove offers second
Groove, the inside of two the second circular grooves is installed with clutch shaft bearing（16）, the first circular groove is internally provided with brush
Disk（17）, the brush（17）Outer surface be provided with the flabellum being spaced substantially equidistant（18）, the brush（17）The back side set
There is rotating shaft（19）, the rotating shaft（19）Outer surface and clutch shaft bearing（16）Inner surface be fixedly connected, the brush（17）'s
Front is bonded with bristle（20）, the bristle（20）With photovoltaic module（1）Surface contact, the brush board（9）Inside also open
Two water channels are provided with, two water channels are connected with two the second circular grooves respectively, the photovoltaic module（1）One side fix peace
Equipped with processor（21）, the photovoltaic module（1）One side be also respectively provided with storage tank（22）And power module（23）, institute
State storage tank（22）Inside be respectively arranged with level sensor（24）And water pump（25）, the water pump（25）Water side fix
It is connected with outlet pipe（26）, the outlet pipe（26）Water side be fixedly connected with the water inlet end of water channel；
The processor（21）Input be electrically connected with power module（23）Output end, the processor（21）Input
Also it is electrically connected with level sensor（24）Output end, the processor（21）Output end be electrically connected touch-screen
（31）, servo controller（27）And water pump（25）Input, the servo controller（27）Output end be electrically connected with servo
Motor（15）Input.
2. the photovoltaic module automatic cleaning system that a kind of double brushes of hydraulic drives according to claim 1 rotate, its feature exists
In：First sliding block（12）Inside offer through hole（28）, the through hole（28）L-shaped shape, the through hole（28）It is interior
Portion is provided with second bearing（29）, the servomotor（15）Output end extend to through hole（28）Inside and and second bearing
（29）Inner surface be fixedly connected, the servomotor（15）Output end be also installed with gear（30）, the gear
（30）With the first guide rail（6）Interior toothrow（8）Engagement.
3. the photovoltaic module automatic cleaning system that a kind of double brushes of hydraulic drives according to claim 1 rotate, its feature exists
In：The storage tank（22）It is disposed in the interior or outdoor buried；The processor（21）It is attached to and is cleaned photovoltaic module（1）On
Or install indoors, the guiding gutter（4）Obliquely, the drainpipe（5）Positioned at guiding gutter（4）Level height it is relatively low one
End.
4. the photovoltaic module automatic cleaning system that a kind of double brushes of hydraulic drives according to claim 1 rotate, its feature exists
In：The level sensor（24）Positioned at the bottom of water butt, the water pump（25）Positioned at level sensor（24）Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416157.3U CN206305093U (en) | 2016-12-22 | 2016-12-22 | A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416157.3U CN206305093U (en) | 2016-12-22 | 2016-12-22 | A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206305093U true CN206305093U (en) | 2017-07-07 |
Family
ID=59245622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621416157.3U Expired - Fee Related CN206305093U (en) | 2016-12-22 | 2016-12-22 | A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206305093U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733794A (en) * | 2016-12-22 | 2017-05-31 | 青海新能源(集团)有限公司 | A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives |
| CN110000136A (en) * | 2019-04-29 | 2019-07-12 | 杭州乐守科技有限公司 | A kind of cleaning plant of the solar energy photovoltaic panel of environmental protection |
| CN110022124A (en) * | 2019-04-23 | 2019-07-16 | 杭州乐守科技有限公司 | A kind of cleaning device of solar energy photovoltaic panel |
| CN113134481A (en) * | 2021-03-30 | 2021-07-20 | 杭州冬元科技有限公司 | Photovoltaic solar panel cleaning device |
| CN114123959A (en) * | 2021-11-26 | 2022-03-01 | 浙江康都节能科技有限公司 | Photovoltaic power generation board |
-
2016
- 2016-12-22 CN CN201621416157.3U patent/CN206305093U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733794A (en) * | 2016-12-22 | 2017-05-31 | 青海新能源(集团)有限公司 | A kind of photovoltaic module automatic cleaning system of the double brush rotations of hydraulic drives |
| CN110022124A (en) * | 2019-04-23 | 2019-07-16 | 杭州乐守科技有限公司 | A kind of cleaning device of solar energy photovoltaic panel |
| CN110000136A (en) * | 2019-04-29 | 2019-07-12 | 杭州乐守科技有限公司 | A kind of cleaning plant of the solar energy photovoltaic panel of environmental protection |
| CN113134481A (en) * | 2021-03-30 | 2021-07-20 | 杭州冬元科技有限公司 | Photovoltaic solar panel cleaning device |
| CN114123959A (en) * | 2021-11-26 | 2022-03-01 | 浙江康都节能科技有限公司 | Photovoltaic power generation board |
| CN114123959B (en) * | 2021-11-26 | 2023-10-20 | 浙江康都节能科技有限公司 | Photovoltaic power generation plate |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20201222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |