CN108554893A - One kind being used for large area photovoltaic module cleaning device - Google Patents
One kind being used for large area photovoltaic module cleaning device Download PDFInfo
- Publication number
- CN108554893A CN108554893A CN201810384520.5A CN201810384520A CN108554893A CN 108554893 A CN108554893 A CN 108554893A CN 201810384520 A CN201810384520 A CN 201810384520A CN 108554893 A CN108554893 A CN 108554893A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- cleaning
- water tank
- large area
- photovoltaic module
- 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.)
- Withdrawn
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 238000005192 partition Methods 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 230000002349 favourable effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000000515 tooth Anatomy 0.000 description 1
Classifications
-
- 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
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- 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
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The present invention provides one kind and being used for large area photovoltaic module cleaning device, is related to photovoltaic panel device skill field, including cleaning case, it is characterised in that：The side of the cleaning chamber interior wall bottom is fixedly connected with rotation cabinet, and the side of whirler chamber interior wall bottom is fixedly connected with driving motor, the output end of the driving motor is fixedly connected with the first angular wheel, and the second angular wheel is engaged on the left of the first angular wheel, rotating bar is fixedly connected at the axle center of second angular wheel, the top of the rotating bar runs through rotation cabinet and extends to the outside of rotation cabinet.This is used for large area photovoltaic module cleaning device, solve some existing photovoltaic panel component cleaning devices, it is simple in structure, major part is by manually cleaning, lead to that cleaning efficiency is not high, does not wash clean clearly, the problem of with cost increase is manufactured, the cleaning efficiency of whole device is substantially increased, the practicability of whole device is strengthened.
Description
Technical field
The present invention relates to photovoltaic panel equipment technical fields, more particularly, to large area photovoltaic module cleaning device.
Background technology
Photovoltaic panel component is the power generator that a kind of exposure will generate direct current in the sun, by almost all partly to lead
Thin body solid photovoltaic cell composition made of body material, due to no movable part, therefore can be with long-time operation without leading
Cause any loss.Simple photovoltaic cell can provide the energy for wrist-watch and computer, and more complex photovoltaic system can carry for house
It powers for illumination, and for power grid.Different shape can be made in photovoltaic panel component, and component can connect, to generate more electric power.
Balcony and building surface can use photovoltaic panel component, or even be used as a part for window, skylight or masking device, these
Photovoltaic facility is commonly known as the photovoltaic system for being attached to building.
Some existing photovoltaic panel component cleaning devices, it is simple in structure, it is largely by manually cleaning, causing to clean
It is inefficient, and do not wash clean clearly, and in artificial cleaning process, it, can be right if the water of assembly surface could not be dried in time
The generating element of component generates damage, causes to manufacture cost increase.
Invention content
The purpose of the present invention is to provide one kind being used for large area photovoltaic module cleaning device, existing to solve above-mentioned technology
Some photovoltaic panel component cleaning devices, it is simple in structure, be largely by manually cleaning, cause cleaning efficiency not high, and
It does not wash clean clearly, and in artificial cleaning process, it, can be to the power generation member of component if the water of assembly surface could not be dried in time
Part generates damage, causes to manufacture the problem of cost increases problem.
The present invention using following technical scheme in order to solve the above technical problems, realized：One kind being used for large area photovoltaic group
The side of part cleaning device, including cleaning case, the cleaning chamber interior wall bottom is fixedly connected with rotation cabinet, and rotates cabinet
The side of inner wall bottom is fixedly connected with driving motor, and the output end of the driving motor is fixedly connected with the first angular wheel,
And it is engaged with the second angular wheel on the left of the first angular wheel, is fixedly connected with and turns at the axle center of second angular wheel
The top of lever, the rotating bar runs through rotation cabinet and extends to the outside of rotation cabinet, and the rotating bar is located at whirler
One end outside case is fixedly connected with adsorption plate, and the top movable of adsorption plate is connected with photovoltaic panel, the cleaning chamber interior wall
It is fixedly connected with return tank on the left of bottom, partition board is fixedly connected between the top and bottom of the cleaning chamber interior wall, and
It is fixedly connected with support plate on the right side of the right side of partition board and cleaning chamber interior wall, the bottom of two support plates is fixedly connected with
There is supporting rack, cleaning pipe is connected between the opposite side of two support frames as described above, the top of the support plate, which is fixed, to be connected
It is connected to water tank, the bottom on the right side of the tank inner wall is communicated with outlet pipe, the outlet pipe one end and cleaning pipe far from water tank
Top connection, it is described cleaning chamber interior wall on the right side of top be fixedly connected with air-heater.
Further, sucking pump is fixedly connected on the left of the partition board, the suction inlet of the sucking pump is communicated with suction hose, described
The one end of suction hose far from sucking pump sequentially passes through partition board and return tank and extends to the inside of return tank, and the row mouthful of the sucking pump is even
It is connected with drainpipe, the one end of the drainpipe far from sucking pump sequentially passes through partition board and water tank and extends to the inside of water tank.
Further, water inlet pipe is communicated at the top of the water tank, water tank is run through in the one end of the water inlet pipe far from water tank
With cleaning case and extend to the outside of cleaning case.
Further, the bottom of the cleaning pipe is fixedly connected with cleaning sprayer.
Further, the both sides of the reflux chamber interior wall have been fixedly connected with U-type groove, two U-type grooves it is opposite one
Filter plate is slidably connected between side.
Further, the surface of the cleaning case is hinged with chamber door by hinge, and the surface of chamber door is provided with observation
Window.
The beneficial effects of the invention are as follows：This is used for large area photovoltaic module cleaning device, is fixed by the output end of driving motor
It is connected with the first angular wheel, and is engaged with the second angular wheel on the left of the first angular wheel, second angular wheel
Axle center at be fixedly connected with rotating bar, the top of the rotating bar is through rotation cabinet and extends to the outside of rotation cabinet,
One end that the rotating bar is located at outside rotation cabinet is fixedly connected with adsorption plate, and the top movable of adsorption plate is connected with light
Plate is lied prostrate, return tank is fixedly connected on the left of the cleaning chamber interior wall bottom, it is described to clean between the top and bottom of chamber interior wall
It is fixedly connected with partition board, and support plate, two branch have been fixedly connected on the right side of the right side of partition board and cleaning chamber interior wall
The bottom of fagging has been fixedly connected with supporting rack, and two support frames as described above are connected with cleaning pipe between opposite side, institute
It states and is fixedly connected with water tank at the top of support plate, the bottom on the right side of the tank inner wall is communicated with outlet pipe, and the outlet pipe is remote
One end from water tank is connected to the top of cleaning pipe, and the top on the right side of the cleaning chamber interior wall is fixedly connected with air-heater, solves
Existing some photovoltaic panel component cleaning devices, it is simple in structure, it is largely by manually cleaning, leading to cleaning efficiency not
Height, and do not wash clean clearly, and in artificial cleaning process, it, can be to component if the water of assembly surface could not be dried in time
Generating element generates damage, the problem of causing to manufacture cost increase, substantially increases the cleaning efficiency of whole device, reinforces
The practicability of whole device.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the partial enlarged view at A in Fig. 1 of the present invention；
Fig. 3 is the structural schematic diagram outside the present invention.
Reference numeral：1- cleaning cases；2- rotates cabinet；3- driving motors；The first angular wheels of 4-；The second conical tooths of 5-
Wheel；6- rotating bars；7- adsorption plates；8- photovoltaic panels；9- return tanks；10- support plates；11- supporting racks；12- cleaning pipes；13- water tanks；
14- outlet pipes；15- air-heaters；16- sucking pumps；17- suction hoses；18- partition boards；19- drainpipes；20- water inlet pipes；21- cleaning sprays
Head；22- U-type grooves；23- filter plates；24- chamber doors；25- observation windows.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiments and the drawings are closed, the present invention is further explained, but following embodiments are only the preferred embodiment of the present invention, not
All.Based on the implementation example in the implementation mode, those skilled in the art are obtained without making creative work
Other embodiments belong to protection scope of the present invention.
Specific embodiments of the present invention are described below in conjunction with the accompanying drawings.
As shown in Figs. 1-3, a kind of to be used for large area photovoltaic module cleaning device, including cleaning case 1,1 inner wall bottom of cleaning case
The side in portion is fixedly connected with rotation cabinet 2, and the side for rotating 2 inner wall bottom of cabinet is fixedly connected with driving motor 3, drives
The output end of dynamic motor 3 is fixedly connected with the first angular wheel 4, and the left side of the first angular wheel 4 is engaged with the second taper
Gear 5 is fixedly connected with rotating bar 6, the bottom of the bottom end and rotation 2 inner wall of cabinet of rotating bar 6 at the axle center of second angular wheel 5
Portion is rotatablely connected, and the top of rotating bar 6 runs through rotation cabinet 2 and extends to the outside of rotation cabinet 2, and rotating bar 6 is located at rotation
One end outside cabinet 2 is fixedly connected with adsorption plate 7, and the top movable of adsorption plate 7 is connected with photovoltaic panel 8, in cleaning case 1
Return tank 9 is fixedly connected on the left of wall bottom, return tank 9 is conducive to the recycling of water resource, the top of 1 inner wall of cleaning case
Partition board 18 is fixedly connected between bottom, the left side of partition board 18 is fixedly connected with sucking pump 16, and the suction inlet of sucking pump 16 is communicated with suction
Water pipe 17, the one end of suction hose 17 far from sucking pump 16 sequentially pass through partition board 18 and return tank 9 and the inside for extending to return tank 9,
The row mouthful of sucking pump 16 is communicated with drainpipe 19, and the one end of drainpipe 19 far from sucking pump 16 sequentially passes through partition board 18 and water tank 13 and prolongs
The inside of water tank 13 is extended to, and has been fixedly connected with support plate 10 on the right side of the right side of partition board 18 and cleaning chamber interior wall, two
The bottom of support plate 10 has been fixedly connected with supporting rack 11, and two supporting racks 11 are connected with cleaning pipe between opposite side
12, the bottom of cleaning pipe 12 is fixedly connected with cleaning sprayer 21, and the top of support plate 10 is fixedly connected with water tank 13, in water tank 13
Bottom on the right side of wall is communicated with outlet pipe 14, and the one end of outlet pipe 14 far from water tank 13 is connected to the top of cleaning pipe 12, cleaning
Top on the right side of 1 inner wall of case is fixedly connected with air-heater 15, and air-heater 15 is convenient for timely being dried the photovoltaic panel 8 after cleaning
Dry, the top of water tank 13 is communicated with water inlet pipe 20, and the one end of water inlet pipe 20 far from water tank 13 is through water tank 13 and cleaning case 1 and prolongs
The outside of cleaning case 1 is extended to, the both sides of 9 inner wall of return tank have been fixedly connected with U-type groove 22, the opposite side of two U-type grooves 22
Between slidably connect filter plate 23, convenient for regularly taking out cleaning, the surface of cleaning case 1 is hinged with filter plate 23 by hinge
Chamber door 24, and the surface of chamber door 24 is provided with observation window 25, and observation window 25 observes cleaning process convenient for staff.
When work, photovoltaic panel 8 is placed on to the surface of adsorption plate 7, then opens driving motor 3, driving motor 3 drives the first taper
Gear 4 moves, and the first angular wheel 4 drives the second angular wheel 5 to move by engagement, and the second angular wheel 5 drives rotating bar 6
Movement, rotating bar 6 drive photovoltaic panel 8 to rotate, the water of water tank 13 are then transported to cleaning by outlet pipe 14 by adsorption plate 7
Pipe 12 cleans photovoltaic panel 8 using cleaning sprayer 21, and the water after cleaning is flowed to by filter plate 23 inside return tank 9, is connect
It and is sucked the water inside return tank 9 using suction hose 17 by sucking pump 16, be discharged to inside water tank 13, carried out by drainpipe 19
The recycling of water resource timely dries up the photovoltaic panel 8 after cleaning finally by air-heater 15.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower" can be with
Be in direct contact including the first and second features, can also include the first and second features not be in direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include that fisrt feature exists
Right over second feature and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is second
Feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of first
Characteristic level height is less than second feature.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the present invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. one kind being used for large area photovoltaic module cleaning device, it is characterised in that：Including cleaning case（1）, the cleaning case（1）It is interior
The side of wall bottom is fixedly connected with rotation cabinet（2）, and rotate cabinet（2）The side of inner wall bottom is fixedly connected with driving
Motor（3）, the driving motor（3）Output end be fixedly connected with the first angular wheel（4）, and the first angular wheel（4）
Left side be engaged with the second angular wheel（5）, second angular wheel（5）Axle center at be fixedly connected with rotating bar（6）, institute
State rotating bar（6）Top through rotation cabinet（2）And extend to rotation cabinet（2）Outside, the rotating bar（6）Positioned at rotation
Favourable turn case（2）External one end is fixedly connected with adsorption plate（7）, and adsorption plate（7）Top movable be connected with photovoltaic panel
（8）, the cleaning case（1）Inner wall is fixedly connected with return tank on the left of bottom（9）, the cleaning case（1）The top of inner wall and
Partition board is fixedly connected between bottom（18）, and partition board（18）Right side with cleaning chamber interior wall on the right side of be fixedly connected with branch
Fagging（10）, two support plates（10）Bottom be fixedly connected with supporting rack（11）, two support frames as described above（11）Phase
To side between be connected with cleaning pipe（12）, the support plate（10）Top be fixedly connected with water tank（13）, described
Water tank（13）Bottom on the right side of inner wall is communicated with outlet pipe（14）, the outlet pipe（14）Far from water tank（13）One end and cleaning
Pipe（12）Top connection, the cleaning case（1）Top on the right side of inner wall is fixedly connected with air-heater（15）.
2. according to claim 1 be used for large area photovoltaic module cleaning device, it is characterised in that：The partition board（18）'s
Left side is fixedly connected with sucking pump（16）, the sucking pump（16）Suction inlet be communicated with suction hose（17）, the suction hose（17）It is separate
Sucking pump（16）One end sequentially pass through partition board（18）And return tank（9）And extend to return tank（9）Inside, the sucking pump（16）
Row mouthful be communicated with drainpipe（19）, the drainpipe（19）Far from sucking pump（16）One end sequentially pass through partition board（18）And water tank
（13）And extend to water tank（13）Inside.
3. according to claim 1 be used for large area photovoltaic module cleaning device, it is characterised in that：The water tank（13）'s
Top is communicated with water inlet pipe（20）, the water inlet pipe（20）Far from water tank（13）One end run through water tank（13）And cleaning case（1）
And extend to cleaning case（1）Outside.
4. according to claim 1 be used for large area photovoltaic module cleaning device, it is characterised in that：The cleaning pipe（12）
Bottom be fixedly connected with cleaning sprayer（21）.
5. according to claim 1 be used for large area photovoltaic module cleaning device, it is characterised in that：The return tank（9）
The both sides of inner wall have been fixedly connected with U-type groove（22）, two U-type grooves（22）Filtering is slidably connected between opposite side
Plate（23）.
6. according to claim 1 be used for large area photovoltaic module cleaning device, it is characterised in that：The cleaning case（1）
Surface chamber door is hinged with by hinge（24）, and chamber door（24）Surface be provided with observation window（25）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384520.5A CN108554893A (en) | 2018-04-26 | 2018-04-26 | One kind being used for large area photovoltaic module cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384520.5A CN108554893A (en) | 2018-04-26 | 2018-04-26 | One kind being used for large area photovoltaic module cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108554893A true CN108554893A (en) | 2018-09-21 |
Family
ID=63536821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384520.5A Withdrawn CN108554893A (en) | 2018-04-26 | 2018-04-26 | One kind being used for large area photovoltaic module cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554893A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185438A (en) * | 2018-09-28 | 2019-01-11 | 东莞市奇趣机器人科技有限公司 | A kind of Mechanical Manufacture System gear maintenance lubricating arrangement |
| CN112108421A (en) * | 2020-09-17 | 2020-12-22 | 安徽省萧县黄河故道园艺场 | Surface cleaning equipment for round discus |
| CN112191588A (en) * | 2020-09-18 | 2021-01-08 | 程瑶 | Cleaning machine and cleaning method matched with solar power generation panel in production process |
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| CN206139609U (en) * | 2016-08-29 | 2017-05-03 | 重庆福海玻璃加工有限公司 | Two -sided abluent glass cleaning device of hydrologic cycle formula |
| CN106824950A (en) * | 2016-12-29 | 2017-06-13 | 河南时代云通信技术有限公司 | A kind of water-saving beaker test tube cleaning device |
| CN206405099U (en) * | 2016-12-14 | 2017-08-15 | 上海强盛化工有限公司 | A kind of ultrasonic water washing groove of self-loopa |
| CN107552475A (en) * | 2017-09-26 | 2018-01-09 | 郑州郑先医药科技有限公司 | Cleaning device for medical appliance with circulatory function |
| CN207170315U (en) * | 2017-07-21 | 2018-04-03 | 乐山职业技术学院 | A kind of photovoltaic module clearing apparatus |
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2018
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206139609U (en) * | 2016-08-29 | 2017-05-03 | 重庆福海玻璃加工有限公司 | Two -sided abluent glass cleaning device of hydrologic cycle formula |
| CN206405099U (en) * | 2016-12-14 | 2017-08-15 | 上海强盛化工有限公司 | A kind of ultrasonic water washing groove of self-loopa |
| CN106824950A (en) * | 2016-12-29 | 2017-06-13 | 河南时代云通信技术有限公司 | A kind of water-saving beaker test tube cleaning device |
| CN207170315U (en) * | 2017-07-21 | 2018-04-03 | 乐山职业技术学院 | A kind of photovoltaic module clearing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185438A (en) * | 2018-09-28 | 2019-01-11 | 东莞市奇趣机器人科技有限公司 | A kind of Mechanical Manufacture System gear maintenance lubricating arrangement |
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| CN112108421A (en) * | 2020-09-17 | 2020-12-22 | 安徽省萧县黄河故道园艺场 | Surface cleaning equipment for round discus |
| CN112191588A (en) * | 2020-09-18 | 2021-01-08 | 程瑶 | Cleaning machine and cleaning method matched with solar power generation panel in production process |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |