CN109013624B - Single-motor double-rope driven photovoltaic cleaning trolley - Google Patents
Single-motor double-rope driven photovoltaic cleaning trolley Download PDFInfo
- Publication number
- CN109013624B CN109013624B CN201810926088.8A CN201810926088A CN109013624B CN 109013624 B CN109013624 B CN 109013624B CN 201810926088 A CN201810926088 A CN 201810926088A CN 109013624 B CN109013624 B CN 109013624B
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- Prior art keywords
- wheel
- guide wheel
- driven
- guide
- cleaning trolley
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- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 238000007493 shaping process Methods 0.000 claims 2
- 125000003003 spiro group Chemical group 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a single-motor double-rope driven photovoltaic cleaning trolley, which comprises a cleaning trolley crossing a photovoltaic module array, wherein a first tensioning mechanism and a second tensioning mechanism are fixed on a mounting bracket on one side of the photovoltaic module, a driving wheel and a driven wheel are hinged on the mounting bracket on the other side of the photovoltaic module, a driving wheel insert sleeve is fixed on a rotating shaft of a motor, and the motor is fixed on the mounting bracket; the two corners of the upper side of the photovoltaic assembly are provided with a first guide wheel, a second guide wheel, a third guide wheel and a fourth guide wheel, and the third guide wheel and the fourth guide wheel are respectively distributed under the second guide wheel and the first guide wheel; one end of the first stay cord is fixed at one end of the cleaning trolley, and the other end of the first stay cord bypasses the second guide wheel, the first tensioning mechanism, the third guide wheel and the fourth guide wheel and reciprocally bypasses the driving wheel and the driven wheel for a plurality of circles and bypasses the first guide wheel to be fixed on the cleaning trolley. The cleaning trolley can eliminate rope difference, effectively reduce traction energy consumption and ensure efficient, stable and reliable operation of the photovoltaic cleaning trolley.
Description
Technical field:
the invention relates to the technical field of photovoltaic panel cleaning equipment, in particular to a single-motor double-rope driven photovoltaic cleaning trolley.
The background technology is as follows:
a photovoltaic panel is an assembly in which a plurality of solar cell modules are assembled on a panel in a certain manner, and is a device that directly or indirectly converts solar radiation energy into electric energy through a photoelectric effect or a photochemical effect by absorbing sunlight. When the photovoltaic panel is full of dust, the light intensity on the surface of the photovoltaic cell is weakened, the photovoltaic power generation amount is reduced, and a hot spot effect can occur. Therefore, there is a need for efficient, stable and reliable cleaning equipment for cleaning photovoltaic panels in power plant operation and maintenance.
At present, the driving of part of photovoltaic cleaning equipment is controlled by pulling ropes, the patent number 201510281843.8 of the invention provides a traction operation structure of the cleaning equipment controlled by double ropes and double motors, wherein the traction operation structure is controlled by double motors, one group of motors are used for winding and the other group of motors are used for unwinding, the motors are required to be synchronous, the double ropes are also synchronous, the actual working conditions are complex and changeable, the ropes are often poor, and the equipment is unstable and even is blocked; thus, there is a need to develop a cleaning apparatus capable of eliminating the rope difference and stably operating.
The invention comprises the following steps:
the invention aims at overcoming the defects of the prior art, and provides a single-motor double-rope-driven photovoltaic cleaning trolley which is driven by one motor, so that rope difference can be eliminated, energy consumption is reduced, and efficient, stable and reliable operation of the photovoltaic cleaning trolley is ensured.
The single-motor double-rope driven photovoltaic cleaning trolley comprises a cleaning trolley which spans across a photovoltaic module array, a first tensioning mechanism and a second tensioning mechanism are fixed on a mounting bracket on one side of the photovoltaic module, a driving wheel and a driven wheel are hinged on the mounting bracket on the other side of the photovoltaic module, a driving wheel plug bush is fixed on a rotating shaft of a motor, and the motor is fixed on the mounting bracket; the two corners of the upper side of the photovoltaic assembly are provided with a first guide wheel, a second guide wheel, a third guide wheel and a fourth guide wheel, and the third guide wheel and the fourth guide wheel are respectively distributed under the second guide wheel and the first guide wheel; one end of a first stay cord is fixed at one end of the cleaning trolley, and the other end of the first stay cord bypasses the second guide wheel, the first tensioning mechanism, the third guide wheel and the fourth guide wheel and reciprocally bypasses the driving wheel and the driven wheel for a plurality of circles and bypasses the first guide wheel to be fixed on the cleaning trolley;
a fifth guide wheel, a sixth guide wheel, a seventh guide wheel and an eighth guide wheel are arranged at two corners of the lower side of the photovoltaic assembly, and the seventh guide wheel and the eighth guide wheel are respectively distributed under the sixth guide wheel and the fifth guide wheel; one end of the second stay cord is fixed at the other end of the cleaning trolley, and the other end of the second stay cord bypasses the seventh guide wheel, the second tensioning mechanism, the sixth guide wheel and the fifth guide wheel and reciprocally bypasses the driven wheel and the driving wheel for a plurality of circles and bypasses the eighth guide wheel to be fixed on the cleaning trolley; the first guide wheel, the second guide wheel, the third guide wheel, the fourth guide wheel, the fifth guide wheel, the sixth guide wheel, the seventh guide wheel and the eighth guide wheel are all hinged on the mounting bracket.
Preferably, the driving wheel and the driven wheel are respectively provided with a plurality of wheel grooves, the first pull rope and the second pull rope are respectively in a ring shape and are respectively distributed in the driving wheel grooves of the driving wheel and the driven wheel, and the same driving wheel groove is internally provided with only one first pull rope or one second pull rope.
Preferably, at least two circles of first pull ropes or second pull ropes are wound in the wheel grooves of the driving wheel or the driven wheel.
Preferably, the first pull ropes between the driving wheel and the driven wheel are mutually crossed; the second stay ropes between the driving wheel and the driven wheel are mutually crossed; the steering of the driving wheel is opposite to the steering of the driven wheel.
Preferably, the first pull ropes between the driving wheel and the driven wheel are parallel to each other; the second stay ropes between the driving wheel and the driven wheel are parallel to each other; the steering of the driving wheel is the same as the steering of the driven wheel.
Preferably, the first tensioning mechanism and the second tensioning mechanism are composed of a tensioning seat, a pressure spring and a tensioning wheel, two ends of the pressure spring respectively lean against the tensioning seat and the tensioning wheel, the tensioning wheel is slidably connected to the tensioning seat, and the first pull rope or the second pull rope respectively bypasses the tensioning wheel of the first tensioning mechanism or the tensioning wheel of the second tensioning mechanism.
Preferably, the driving wheel and the driven wheel are composed of a first wheel body and a second wheel body, a conical connector is formed on the first wheel body, the connector is inserted into the second wheel body, circular arc-shaped slots are formed on the second wheel body around the connector, bolts are inserted into the slots of the second wheel body, the bolts are in threaded connection with the first wheel body, and the second wheel body is pressed against the connector.
Preferably, the driving wheel and the driven wheel are composed of a first wheel body and a second wheel body, and an expansion sleeve is arranged between the first wheel body and the second wheel body and fixedly connected with the first wheel body and the second wheel body through the expansion sleeve.
Preferably, the first pull rope is distributed on the first wheel body of the driving wheel and the driven wheel, and the second pull rope is distributed on the second wheel body of the driving wheel and the driven wheel.
The invention has the beneficial effects that:
1. the cleaning trolley is wound on the two driving wheels by utilizing the two pull ropes, and is controlled by the single motor, so that the two driving wheels are synchronous, the two pull ropes are synchronous, the rope difference is eliminated, the traction energy consumption is effectively reduced, and the efficient, stable and reliable operation of the photovoltaic cleaning trolley is ensured.
2. The cleaning trolley is provided with the tensioning mechanism, so that the sufficient friction force can be ensured between the pull rope and the driving wheel, and the rope difference caused by the slipping of the pull rope is prevented.
3. The cleaning trolley divides the driving wheel into two parts and is fixedly connected by the expansion sleeve, the two parts on the same driving wheel are adjustable, the two pull ropes are respectively arranged in the two parts of the driving wheel, and the rope difference can be eliminated by adjusting.
Description of the drawings:
FIG. 1 is a schematic view of a cross-wound wire according to the present invention;
FIG. 2 is a schematic perspective view of a drive wheel in the cross winding of the present invention;
FIG. 3 is a schematic front view of a drive wheel in the cross winding of the present invention;
FIG. 4 is a schematic diagram of a parallel winding structure according to the present invention;
FIG. 5 is a schematic perspective view of a driving wheel in a parallel winding of the present invention;
FIG. 6 is a schematic front view of a drive wheel in a parallel winding of the present invention;
FIG. 7 is a schematic view of the structure of the first tensioning mechanism or the second tensioning mechanism of the present invention;
FIG. 8 is a schematic diagram of the connection of the expansion sleeve of the combined driving wheel or driven wheel of the present invention;
fig. 9 is a schematic structural view of the conical surface expansion connection of the combined driving wheel or driven wheel of the present invention.
In the figure: 1. a cleaning trolley; 2. a first pull rope; 3. a second pull rope; 4. a first tensioning mechanism; 5. a second tensioning mechanism; 6. a driving wheel; 7. driven wheel; 8. a motor; 9. the first guide wheel; 10. the second guide wheel; 11. a third guide wheel; 12. a fourth guide wheel; 13. a fifth guide wheel; 14. a sixth guide wheel; 15. a seventh guide pulley; 16. an eighth guide pulley; a. a tensioning seat; b. a pressure spring; c. a tensioning wheel; d. a first wheel body; e. a second wheel body; f. an expansion sleeve; g. a connector; h. and (5) a bolt.
The specific embodiment is as follows:
examples: the single-motor double-rope driven photovoltaic cleaning trolley is shown in fig. 1 to 9, and comprises a cleaning trolley 1 crossing a photovoltaic module array, wherein a first tensioning mechanism 4 and a second tensioning mechanism 5 are fixed on a mounting bracket on one side of the photovoltaic module, a driving wheel 6 and a driven wheel 7 are hinged on a mounting bracket on the other side of the photovoltaic module, the driving wheel 6 is fixedly sleeved on a rotating shaft of a motor 8, and the motor 8 is fixed on the mounting bracket; the two corners of the upper side of the photovoltaic module are provided with a first guide wheel 9, a second guide wheel 10, a third guide wheel 11 and a fourth guide wheel 12, and the third guide wheel 11 and the fourth guide wheel 12 are respectively distributed under the second guide wheel 10 and the first guide wheel 9; one end of the first stay cord 2 is fixed at one end of the cleaning trolley 1, and the other end of the first stay cord 2 bypasses the second guide wheel 10, the first tensioning mechanism 4, the third guide wheel 11 and the fourth guide wheel 12 and reciprocally bypasses the driving wheel 6 and the driven wheel 7 for a plurality of circles and bypasses the first guide wheel 9 to be fixed on the cleaning trolley 1;
a fifth guide wheel 13, a sixth guide wheel 14, a seventh guide wheel 15 and an eighth guide wheel 16 are arranged at two corners of the lower side of the photovoltaic assembly, and the seventh guide wheel 15 and the eighth guide wheel 16 are respectively distributed under the sixth guide wheel 14 and the fifth guide wheel 13; one end of the second stay cord 3 is fixed at the other end of the cleaning trolley 1, and the other end of the second stay cord 3 bypasses the seventh guide wheel 15, the second tensioning mechanism 5, the sixth guide wheel 14 and the fifth guide wheel 13 and reciprocally bypasses the driven wheel 7 and the driving wheel 6 for a plurality of circles and bypasses the eighth guide wheel 16 to be fixed on the cleaning trolley 1; the first guide wheel 9, the second guide wheel 10, the third guide wheel 11, the fourth guide wheel 12, the fifth guide wheel 13, the sixth guide wheel 14, the seventh guide wheel 15 and the eighth guide wheel 16 are all hinged on the mounting bracket.
Preferably, the driving wheel 6 and the driven wheel 7 are respectively provided with a plurality of wheel grooves, the first pull ropes 2 and the second pull ropes 3 are respectively in a ring shape and are respectively distributed in the driving wheel grooves of the driving wheel 6 and the driven wheel 7, and only one first pull rope 2 or one second pull rope 3 is arranged in the same driving wheel groove.
Preferably, at least two loops of the first pull rope 2 or the second pull rope 3 are wound in the wheel groove of the driving wheel 6 or the driven wheel 7.
Preferably, the first pull ropes 2 between the driving wheel 6 and the driven wheel 7 are mutually crossed; the second stay ropes 3 between the driving wheel 6 and the driven wheel 7 are mutually crossed; the steering of the driving wheel 6 is opposite to the steering of the driven wheel 7.
Preferably, the first pull ropes 2 between the driving wheel 6 and the driven wheel 7 are parallel to each other; the second stay cord 3 between the driving wheel 6 and the driven wheel 7 is parallel to each other; the steering of the driving wheel 6 is the same as the steering of the driven wheel 7.
Preferably, the first tensioning mechanism 4 and the second tensioning mechanism 5 are both composed of a tensioning seat a, a pressure spring b and a tensioning wheel c, two ends of the pressure spring b respectively lean against the tensioning seat a and the tensioning wheel c, the tensioning wheel c is slidably connected to the tensioning seat a, and the first pull rope 2 or the second pull rope 3 respectively bypasses the tensioning wheel c of the first tensioning mechanism 4 or the tensioning wheel c of the second tensioning mechanism 5.
Preferably, the driving wheel 6 and the driven wheel 7 are composed of a first wheel body d and a second wheel body e, a conical connector g is formed on the first wheel body d, the connector g is inserted into the second wheel body e, circular arc-shaped slots are formed on the second wheel body e around the connector g, bolts h are inserted into the slots of the second wheel body e, the bolts h are screwed on the first wheel body d, and the second wheel body e is pressed against the connector g.
Preferably, the driving wheel 6 and the driven wheel 7 are composed of a first wheel body d and a second wheel body e, and an expansion sleeve f is arranged between the first wheel body d and the second wheel body e and fixedly connected with the first wheel body d and the second wheel body e through the expansion sleeve f.
Preferably, the first pull rope 2 is distributed on the first wheel body d of the driving wheel 6 and the driven wheel 7, and the second pull rope 3 is distributed on the second wheel body e of the driving wheel 6 and the driven wheel 7.
Working principle: the invention relates to a single-motor double-rope driven photovoltaic cleaning trolley, which can be driven by one motor 8 to realize the movement of a second pull rope 3 and a first pull rope 2, so as to pull the cleaning trolley 1 to move, and the control modes of the photovoltaic cleaning trolley are as follows:
in the case of cross winding between the driving wheel 6 and the driven wheel 7, the motor 8 controls the driving wheel 6 and the driven wheel 7 to rotate in opposite directions, and two ends of the cleaning trolley 1 are required to be fixed on a pull rope with the same running direction, as shown in fig. 1;
the other is the condition of parallel winding between the driving wheel 6 and the driven wheel 7, and the motor 8 controls the driving wheel 6 and the driven wheel 7 to rotate in the same steering direction, so that the two ends of the cleaning trolley 1 are required to be fixed on the pull ropes in the same running direction, as shown in fig. 4;
the two modes can respectively ensure enough friction force between the pull rope and the driving wheel 6 or the driving wheel 7 through the first tensioning mechanism 4 and the second tensioning mechanism 5, and prevent rope difference caused by slipping;
meanwhile, the driving wheel 6 or the driven wheel 7 is designed into a structure of two wheels, the two wheels are fixedly connected by utilizing the expansion sleeve f (the connection head g of the conical surface can be matched with the bolt h for expansion fastening), the loose expansion sleeve f (or the loose bolt h) can rotate between the two wheels, so that when rope difference occurs when the pull ropes are stressed unevenly, the loose expansion sleeve f (or the loose bolt h) realizes the rotation of the upper wheel body or the lower wheel body, the position of the junction point between the first pull rope 2 or the second pull rope 3 and the cleaning trolley 1 is adjusted, the rope difference is eliminated, the expansion sleeve f (or the fastening bolt h) is fastened, and the two wheels on the driving wheel 6 or the driven wheel 7 are fixedly connected.
The examples are presented to illustrate the invention and are not intended to limit the invention. Modifications to the described embodiment may occur to those skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is therefore set forth in the appended claims.
Claims (7)
1. Single motor double rope driven photovoltaic cleaning trolley, including crossing photovoltaic module array's cleaning trolley (1), its characterized in that: a first tensioning mechanism (4) and a second tensioning mechanism (5) are fixed on a mounting bracket on one side of the photovoltaic module, a driving wheel (6) and a driven wheel (7) are hinged on the mounting bracket on the other side of the photovoltaic module, a driving wheel (6) is fixed on a rotating shaft of a motor (8) in a plug bush manner, and the motor (8) is fixed on the mounting bracket; two corners of the upper side of the photovoltaic assembly are provided with a first guide wheel (9), a second guide wheel (10), a third guide wheel (11) and a fourth guide wheel (12), and the third guide wheel (11) and the fourth guide wheel (12) are respectively distributed under the second guide wheel (10) and the first guide wheel (9); one end of a first pull rope (2) is fixed at one end of the cleaning trolley (1), and the other end of the first pull rope (2) bypasses a second guide wheel (10), a first tensioning mechanism (4), a third guide wheel (11) and a fourth guide wheel (12) and reciprocally bypasses a driving wheel (6) and a driven wheel (7) for a plurality of circles and bypasses a first guide wheel (9) to be fixed on the cleaning trolley (1);
two corners of the lower side of the photovoltaic assembly are provided with a fifth guide wheel (13), a sixth guide wheel (14), a seventh guide wheel (15) and an eighth guide wheel (16), and the seventh guide wheel (15) and the eighth guide wheel (16) are respectively distributed under the sixth guide wheel (14) and the fifth guide wheel (13); one end of the second stay cord (3) is fixed at the other end of the cleaning trolley (1), and the other end of the second stay cord (3) bypasses the seventh guide wheel (15), the second tensioning mechanism (5), the sixth guide wheel (14) and the fifth guide wheel (13) and reciprocally bypasses the driven wheel (7) and the driving wheel (6) for a plurality of circles and bypasses the eighth guide wheel (16) to be fixed on the cleaning trolley (1); the first guide wheel (9), the second guide wheel (10), the third guide wheel (11), the fourth guide wheel (12), the fifth guide wheel (13), the sixth guide wheel (14), the seventh guide wheel (15) and the eighth guide wheel (16) are all hinged on the mounting bracket;
the driving wheel (6) and the driven wheel (7) are composed of a first wheel body (d) and a second wheel body (e), an expansion sleeve (f) is arranged between the first wheel body (d) and the second wheel body (e) and is connected with the first wheel body (d) through bolts (h) or the expansion sleeve (f), the first pull ropes (2) are distributed on the first wheel body (d) of the driving wheel (6) and the driven wheel (7), and the second pull ropes (3) are distributed on the second wheel body (e) of the driving wheel (6) and the driven wheel (7); when rope difference occurs between the first pull rope (2) and the second pull rope (3), the first wheel body (d) or the second wheel body (e) is rotated through the loose bolt (h) or the expansion sleeve (f), the position of the joint point between the first pull rope (2) or the second pull rope (3) and the cleaning trolley (1) is adjusted, the rope difference is eliminated, and then the bolt or the expansion sleeve (f) is fastened, so that the first wheel body (d) and the second wheel body (e) on the driving wheel (6) or the driven wheel (7) are fixedly connected.
2. The single motor double rope driven photovoltaic cleaning trolley of claim 1, wherein: a plurality of wheel grooves are formed in the driving wheel (6) and the driven wheel (7), the first pull ropes (2) and the second pull ropes (3) are annular and distributed in the driving wheel grooves of the driving wheel (6) and the driven wheel (7), and only one first pull rope (2) or one second pull rope (3) is arranged in the same driving wheel groove.
3. The single motor double rope driven photovoltaic cleaning trolley of claim 2, wherein: at least two circles of first pull ropes (2) or second pull ropes (3) are wound in the wheel grooves of the driving wheel (6) or the driven wheel (7).
4. The single motor double rope driven photovoltaic cleaning trolley of claim 2, wherein: the first stay ropes (2) between the driving wheel (6) and the driven wheel (7) are mutually crossed; the second stay ropes (3) between the driving wheel (6) and the driven wheel (7) are mutually crossed; the steering direction of the driving wheel (6) is opposite to the steering direction of the driven wheel (7).
5. The single motor double rope driven photovoltaic cleaning trolley of claim 2, wherein: the first stay ropes (2) between the driving wheel (6) and the driven wheel (7) are parallel to each other; the second stay ropes (3) between the driving wheel (6) and the driven wheel (7) are parallel to each other; the steering direction of the driving wheel (6) is the same as the steering direction of the driven wheel (7).
6. The single motor double rope driven photovoltaic cleaning trolley of claim 1, wherein: the first tensioning mechanism (4) and the second tensioning mechanism (5) are composed of a tensioning seat (a), a pressure spring (b) and a tensioning wheel (c), two ends of the pressure spring (b) respectively lean against the tensioning seat (a) and the tensioning wheel (c), the tensioning wheel (c) is slidably connected to the tensioning seat (a), and the tensioning wheel (c) of the first tensioning mechanism (4) or the tensioning wheel (c) of the second tensioning mechanism (5) is respectively bypassed by the first pull rope (2) or the second pull rope (3).
7. The single motor double rope driven photovoltaic cleaning trolley of claim 1, wherein: when being connected through bolt (h) between first wheel body (d) and second wheel body (e), the shaping has conical connector (g) on first wheel body (d), and connector (g) are pegged graft in second wheel body (e), and the shaping has convex slot on second wheel body (e) around connector (g), has pegged graft in the slot of second wheel body (e) bolt (h), and bolt (h) spiro union is on first wheel body (d), and second wheel body (e) are pressed on connector (g).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810926088.8A CN109013624B (en) | 2018-08-15 | 2018-08-15 | Single-motor double-rope driven photovoltaic cleaning trolley |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810926088.8A CN109013624B (en) | 2018-08-15 | 2018-08-15 | Single-motor double-rope driven photovoltaic cleaning trolley |
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| CN109013624A CN109013624A (en) | 2018-12-18 |
| CN109013624B true CN109013624B (en) | 2023-08-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110548705A (en) * | 2019-09-30 | 2019-12-10 | 北京中电博顺智能设备技术有限公司 | Photovoltaic panel self-cleaning device and photovoltaic panel cleaning robot |
| CN111565017A (en) * | 2020-05-25 | 2020-08-21 | 株洲变流技术国家工程研究中心有限公司 | Photovoltaic cell dust collector and automatically cleaning photovoltaic cell subassembly |
| CN114635533A (en) * | 2022-03-07 | 2022-06-17 | 杭州舜海光伏科技有限公司 | Roof snow sweeping robot |
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