CN210098336U - Solar cell panel cleaning mechanism based on wind energy - Google Patents
Solar cell panel cleaning mechanism based on wind energy Download PDFInfo
- Publication number
- CN210098336U CN210098336U CN201920917738.2U CN201920917738U CN210098336U CN 210098336 U CN210098336 U CN 210098336U CN 201920917738 U CN201920917738 U CN 201920917738U CN 210098336 U CN210098336 U CN 210098336U
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- China
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- rod
- frame
- solar cell
- cleaning roller
- cell panel
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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 In General (AREA)
Abstract
The utility model discloses a clean mechanism of solar cell panel based on wind energy, solar cell panel including support frame and upper portion fixed mounting, the support frame includes two A type framves and the two connection horizontal pole of connecting of point portion, two the middle part of A type frame is rotated and is connected with and is connected the parallel second transmission shaft in the long sideline of horizontal pole. The utility model discloses in, through turning into the kinetic energy of second transmission shaft with wind energy, turn into the reciprocating swing of driven lever with the rotary motion of driving lever, the top at the support frame is located the fixed adjustable shelf in solar cell panel's both sides, the roller frame through the adjustable shelf rotates and is connected with the cleaning roller, the first straight-tooth wheel of axostylus axostyle outer wall joint through the cleaning roller, the combination of second straight-tooth wheel and rack, the rotation direction and the moving direction that realize the cleaning roller are opposite, be convenient for shed solar cell panel top layer dust to the dust long-pending side of attaching, avoid clean side secondary pollution, reach best clean effect.
Description
Technical Field
The utility model relates to a solar cell panel technical field, concretely relates to clean mechanism of solar cell panel based on wind energy.
Background
Most solar panels are mainly made of silicon, but have a certain limitation in widespread use due to high manufacturing cost.
In the prior art, mainly use in the area that sunshine is sufficient and spacious and use, nevertheless receive the air quality influence, solar cell panel's surface accumulates the dust easily to the efficiency of the solar cell panel conversion light energy that reduces needs regularly clear up, increases artifical clear work load.
Disclosure of Invention
In order to overcome foretell technical problem, the utility model aims to provide a clean mechanism of solar cell panel based on wind energy, turn into the kinetic energy of second transmission shaft with natural wind energy through helical fan blade, turn into the reciprocating swing of driven lever with the rotary motion of driving lever, the fixed adjustable shelf in both sides that is located solar cell panel at the top of support frame, the roller frame through the adjustable shelf rotates and is connected with the cleaning roller, the first straight-tooth wheel of axostylus axostyle outer wall joint through the cleaning roller, the combination of second straight-tooth wheel and rack, the rotation direction and the moving direction who realizes the cleaning roller are opposite, be convenient for shed solar cell panel top layer dust to the dust long-pending side of attaching, avoid clean side secondary pollution, reach best clean effect.
The purpose of the utility model can be realized by the following technical scheme:
a solar cell panel cleaning mechanism based on wind energy comprises a support frame and a solar cell panel fixedly mounted on the upper portion of the support frame, wherein the support frame comprises two A-shaped frames and a connecting cross rod connected with the tips of the two A-shaped frames, the middle portions of the two A-shaped frames are rotatably connected with second transmission shafts parallel to the long side line of the connecting cross rod, one end, located on the outer side of one A-shaped frame, of each second transmission shaft is clamped with a driving rod, the outer wall of each driving rod is provided with a driven rod, the bottom end of each driven rod is rotatably connected with a fixed round rod welded on the side wall of the A-shaped frame, the outer wall of each driven rod is provided with chutes distributed along the long side edges, and the inner portions of the chutes are;
one end of the second transmission shaft, which is positioned on the outer side of the other A-shaped frame, is fixedly sleeved with a first bevel gear, a pair of shaft rod sleeves which are distributed up and down are fixed on the side wall of the A-shaped frame close to the second transmission shaft, a first transmission shaft is rotatably connected inside the pair of shaft rod sleeves, a spiral fan blade is fixedly clamped at the top end of the first transmission shaft, a second bevel gear in meshing transmission with the first bevel gear is fixedly clamped at the bottom end of the first transmission shaft, and the rotation of the first transmission shaft around a vertical axis is changed into the rotation of the second transmission shaft around a horizontal axis through the meshing transmission of the first bevel gear and a second piebald horse flywheel;
the supporting surface of the supporting frame is positioned on two sides of the solar cell panel, movable frames are fixed on two sides of the supporting frame, each movable frame comprises a sliding rail plate connected with the supporting frame, a sliding block is connected to the upper portion of a sliding rail of each sliding rail plate in a sliding mode, a roller frame is fixedly welded to the upper portion of the sliding block, a cleaning roller is movably connected to the inside of the roller frame through a bearing, a second straight gear is fixedly clamped to the outer wall of a shaft lever on one side of the cleaning roller, the end portion, on the same side of the shaft lever of the cleaning roller, of the shaft lever of the driven rod penetrates through a sliding groove, a gear fixing rod parallel to the shaft lever of the cleaning roller is welded to the inner side wall of the roller frame between the shaft lever of the cleaning roller and the sliding rail plate, a first straight gear in meshing transmission with one side of the second straight gear is rotatably connected to the outer wall of the gear fixing rod, the cleaning roller is correspondingly connected, the rotating direction of the cleaning roller is opposite to the moving direction in the moving process, so that the surface dust of the solar cell panel is thrown to the dust accumulation side, the secondary pollution of the cleaning side is avoided, and the best cleaning effect is achieved.
Further, the method comprises the following steps: the center distance of the rotating connection position of the driving lever and the driving lever is smaller than half of the length of the sliding chute, and the driven lever drives the cleaning roller to do reciprocating linear motion along the sliding rail of the sliding rail plate.
Further, the method comprises the following steps: the surface of the cleaning roller is uniformly adhered with bristles, the width of the bristle part is larger than that of the solar cell panel, the bristles are extruded and attached to the surface of the solar cell panel, and the solar cell panel is cleaned through the bristles.
Further, the method comprises the following steps: the axis of the first transmission shaft is vertical to the ground, and the spiral fan blades which are correspondingly connected can rotate under the driving of any wind direction.
Further, the method comprises the following steps: the included angle between the supporting surface of the top surface of the A-shaped frame and the supporting surface of the bottom surface of the A-shaped frame is 45-60 degrees, and the optimal sunlight absorption part can be achieved within the angle range.
Further, the method comprises the following steps: the center distance of the rotary connection position of the fixed round rod and the driving rod is larger than the length of the driving rod, and the rotation of the driving rod can be converted into the reciprocating swing of the driven rod.
The utility model has the advantages that:
1. a second transmission shaft is rotatably connected inside the support frame, a first bevel gear is fixedly clamped in a clamping manner on the second transmission shaft, a first transmission shaft is rotatably connected on the outer wall of an A-shaped frame on the same side of the first bevel gear through a pair of shaft lever sleeves, a spiral fan blade is fixed at the top end of the first transmission shaft, a second bevel gear which is in transmission with the first bevel gear is welded at the bottom end of the first transmission shaft, wind energy is converted into kinetic energy of the second transmission shaft, a driving rod is fixed on the other side of the second transmission shaft, a driven rod is rotatably connected on the outer side of the A-shaped frame on the same side of the driving rod, a sliding groove is formed in the outer wall of the driven rod, a deflector rod is welded on the outer wall of the end part of the driving rod, the rotating motion of the driving rod is converted into reciprocating swing of the driven rod, movable frames are fixed on two sides of a solar, a fixed rack is arranged on the upper portion of a slide rail plate of the movable rod frame, the outer wall of a shaft rod of the cleaning roller is connected with a combination of the first straight gear, the second straight gear and the rack in a clamping mode, the rotation direction of the cleaning roller is opposite to the moving direction, surface layer dust of the solar cell panel is convenient to shed to the dust deposition side, secondary pollution to the cleaning side is avoided, and the best cleaning effect is achieved.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a solar panel cleaning mechanism of the present invention;
FIG. 2 is a schematic structural view of the support frame of the present invention;
FIG. 3 is a schematic structural view of the middle movable frame of the present invention;
FIG. 4 is a schematic view of the cleaning roller of the present invention;
FIG. 5 is a front view of the solar panel cleaning mechanism of the present invention;
fig. 6 is a partial enlarged view of a portion a of fig. 5 according to the present invention.
In the figure: 1. a first drive shaft; 2. a helical fan blade; 3. a cleaning roller; 4. a solar panel; 5. a movable frame; 51. a slider; 52. a roller frame; 521. a gear fixing rod; 53. a slide rail plate; 6. a support frame; 61. a type A frame; 62. connecting the cross bars; 63. a second drive shaft; 64. a driven lever; 641. a chute; 65. a driving lever; 651. a deflector rod; 66. a shaft sleeve; 67. a first bevel gear; 68. fixing the round rod; 7. a second bevel gear; 8. a first straight gear; 9. a second spur gear; 10. a rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, a solar cell panel cleaning mechanism based on wind energy comprises a support frame 6 and a solar cell panel 4 fixedly mounted on the upper portion of the support frame 6, wherein the support frame 6 comprises two a-shaped frames 61 and a connecting cross bar 62 connected with the tips of the two a-shaped frames 61, the middle portions of the two a-shaped frames 61 are rotatably connected with second transmission shafts 63 parallel to the long edge line of the connecting cross bar 62, one end of each second transmission shaft 63 located on the outer side of one a-shaped frame 61 is clamped with a driving rod 65, the outer wall of the end portion of each driving rod 65 is lapped with a driven rod 64, the bottom end of each driven rod 64 is rotatably connected with a fixed round rod 68 welded on the side wall of the a-shaped frame 61, the outer wall of each driven rod 64 is provided with sliding grooves 641 distributed along the long side edges, and;
one end of the second transmission shaft 63, which is positioned on the outer side of the other A-shaped frame 61, is fixedly sleeved with a first bevel gear 67, a pair of shaft lever sleeves 66 which are distributed up and down are fixed on the side wall of the A-shaped frame 61 at the adjacent position, a first transmission shaft 1 is rotatably connected inside the pair of shaft lever sleeves 66, the top end of the first transmission shaft 1 is fixedly clamped with a helical fan blade 2, the bottom end of the first transmission shaft 1 is fixedly clamped with a second bevel gear 7 which is in meshing transmission with the first bevel gear 67, and the rotation of the first transmission shaft 1 around the vertical axis is changed into the rotation of the second transmission shaft 63 around the horizontal axis through the meshing transmission of the first bevel gear 67 and a second piebald horse flywheel 7;
the supporting surface of the supporting frame 6 is positioned at both sides of the solar cell panel 4 and is fixedly provided with the movable frame 5, the movable frame 5 comprises a sliding rail plate 53 connected with the supporting frame 6, the upper part of a sliding rail of the sliding rail plate 53 is connected with a sliding block 51 in a sliding way, the upper part of the sliding block 51 is fixedly welded with a roller frame 52, the inside of the roller frame 52 is movably connected with the cleaning roller 3 through a bearing, wherein, the outer wall of a shaft lever at one side of the cleaning roller 3 is clamped and fixed with a second straight gear 9, the end part of the shaft lever of the cleaning roller 3 at the same side with a driven rod 64 penetrates through a sliding groove 641, a gear fixing rod 521 parallel to the shaft lever of the cleaning roller 3 is welded between the shaft lever of the cleaning roller 3 and the sliding rail plate 53 on the inner side wall of the roller frame 52, the outer wall of the gear fixing rod 521 is rotatably connected with a first straight gear 8 with one side in meshing, the second straight gear 9 rotates reversely, the rotation direction of the cleaning roller 3 correspondingly connected with the second straight gear is opposite to the movement direction in the moving process, so that the surface dust of the solar cell panel is thrown to the dust deposition side, the secondary pollution of the cleaning side is avoided, and the best cleaning effect is achieved.
The center distance of the rotary connection position of the shifting rod 651 and the driving rod 65 is smaller than half of the length of the sliding groove 641, so that the driven rod 64 drives the cleaning roller 3 to do reciprocating linear motion along the sliding rail of the sliding rail plate 53, bristles are uniformly adhered to the surface of the cleaning roller 3, the width of the bristle part is larger than the width of the solar cell panel 4, the bristles are extruded and attached to the surface of the solar cell panel 4, and the solar cell panel 4 is cleaned through the bristles.
The axis of the first transmission shaft 1 is perpendicular to the ground, the spiral fan blades 2 which are correspondingly connected can be driven to rotate in any wind direction, the included angle between the supporting surface of the top surface and the supporting surface of the bottom surface of the A-shaped frame 61 is 45-60 degrees, the optimal sunlight absorption part can be achieved within the angle range, the center distance of the rotating connection position of the fixed round rod 68 and the driving rod 65 is larger than the length of the driving rod 65, and the driving rod 65 can be rotated and converted into the reciprocating swing of the driven rod 64.
The swing amplitude of the driven rod 64 enables the moving path of the cleaning roller 3 on the surface of the solar cell panel 4 to be the same as the length of the solar cell panel 4, and when the driven rod 64 moves the two ends of the swing amplitude, the cleaning roller 3 is just positioned at the two ends of the long edge of the solar cell panel 4, so that the purpose of cleaning the length direction of the solar cell panel 4 is achieved.
The working principle is as follows: when the cleaning roller is used, the spiral fan blades 2 are blown by external air flow to rotate, so that the first transmission shaft 1 rotates, the first transmission shaft 1 is in meshing transmission with the first bevel gear 67 clamped at the end part of the second transmission shaft 63 through the second bevel gear 7 clamped and fixed at the bottom of the first transmission shaft 1, so that the second transmission shaft 63 is driven to rotate, the rotating second transmission shaft 63 drives the driving rod 65 to rotate, the driving rod 65 slides along the chute 641 of the driven rod 64 through the deflector rod 651 welded at the end part of the driving rod 65, so that the driven rod 64 swings back and forth around the fixed round rod 68, because the shaft rod at one side of the cleaning roller 3 is arranged inside the chute 641 of the driven rod 64, the driven rod 64 drives the cleaning roller 3 to move up and down along the sliding rail plate 53 through the sliding block 51 in the swinging process, and in the moving process of the cleaning roller 3, the second straight gear 9 clamped on the outer wall of the shaft, so that the rotation direction of the cleaning roller 3 is opposite to the movement direction in the moving process, thereby throwing the dust on the surface layer of the solar cell panel 4 to the dust deposition side and completing the cleaning of the surface of the solar cell panel 4.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. A solar cell panel cleaning mechanism based on wind energy comprises a support frame (6) and a solar cell panel (4) fixedly arranged on the upper part of the support frame, it is characterized in that the supporting frame (6) comprises two A-shaped frames (61) and a connecting cross rod (62) connected with the tips of the two A-shaped frames, the middle parts of the two A-shaped frames (61) are rotatably connected with second transmission shafts (63) parallel to the long edge line of the connecting cross rod (62), wherein, one end of the second transmission shaft (63) positioned at the outer side of one A-shaped frame (61) is clamped with a driving rod (65), a driven rod (64) is arranged on the outer side of the driving rod (65), the bottom end of the driven rod (64) is rotatably connected with a fixed round rod (68) welded on the side wall of the A-shaped frame (61), the outer wall of the driven rod (64) is provided with sliding grooves (641) distributed along the long side edge, a shifting lever (651) fixed at the end part of the driving rod (65) is connected inside the sliding groove (641) in a sliding manner;
one end of the second transmission shaft (63) positioned on the outer side of the other A-shaped frame (61) is fixedly sleeved with a first bevel gear (67), a pair of shaft rod sleeves (66) which are distributed up and down are fixed on the side wall of the A-shaped frame (61) at the adjacent position, a first transmission shaft (1) is rotatably connected inside the pair of shaft rod sleeves (66), a spiral fan blade (2) is fixedly clamped at the top end of the first transmission shaft (1), and a second bevel gear (7) which is in meshing transmission with the first bevel gear (67) is fixedly clamped at the bottom end of the first transmission shaft (1);
the solar cleaning roller is characterized in that a supporting surface of the supporting frame (6) is located on two sides of a solar cell panel (4) and is provided with a movable frame (5), the movable frame (5) comprises a sliding rail plate (53) connected with the supporting frame (6), a sliding block (51) is slidably connected to the upper portion of the sliding rail plate (53), a roller frame (52) is fixedly welded to the upper portion of the sliding block (51), a cleaning roller (3) is movably connected to the inside of the roller frame (52) through a bearing, a second straight gear (9) is fixedly connected to the outer wall of a shaft rod on one side of the cleaning roller (3) in a clamping mode, a sliding groove (641) is formed in the end portion, on the same side of the shaft rod, of the driven rod (64) of the cleaning roller (3) in a penetrating mode, a gear fixing rod (521) parallel to the shaft rod of the cleaning roller (3) is welded between the shaft rod of the cleaning roller (3) and the sliding rail plate (53), and a first straight gear (8) with one And a rack (10) which is in meshing transmission with the other side of the first straight gear (8) is fixed on the top surface of the sliding rail plate (53).
2. The wind-powered solar panel cleaning mechanism as recited in claim 1, wherein the center-to-center distance of the rotational connection of the deflector rod (651) and the active rod (65) is less than half the length of the chute (641).
3. The wind-energy-based solar panel cleaning mechanism according to claim 1, wherein the surface of the cleaning roller (3) is uniformly adhered with bristles, the width of the bristle part is larger than that of the solar panel (4), and the bristles are pressed against the surface of the solar panel (4).
4. A wind-energy based solar panel cleaning apparatus according to claim 1, wherein the axis of the first drive shaft (1) is perpendicular to the ground.
5. A wind-powered solar panel cleaning mechanism as claimed in claim 1, characterised in that the angle between the top and bottom supporting surfaces of the a-frame (61) is 45-60 °.
6. The wind-energy-based solar panel cleaning mechanism according to claim 1, wherein the fixed round bar (68) is rotatably connected with the active bar (65) at a center distance greater than the length of the active bar (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917738.2U CN210098336U (en) | 2019-06-18 | 2019-06-18 | Solar cell panel cleaning mechanism based on wind energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920917738.2U CN210098336U (en) | 2019-06-18 | 2019-06-18 | Solar cell panel cleaning mechanism based on wind energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210098336U true CN210098336U (en) | 2020-02-21 |
Family
ID=69565506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920917738.2U Expired - Fee Related CN210098336U (en) | 2019-06-18 | 2019-06-18 | Solar cell panel cleaning mechanism based on wind energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210098336U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425003A (en) * | 2020-03-20 | 2020-07-17 | 何城 | Utilize roof cleaning device of wind energy |
| CN111472932A (en) * | 2020-04-23 | 2020-07-31 | 绍兴市亚索新能源科技有限公司 | Photovoltaic tile capable of realizing self-cleaning based on wind energy |
| CN111545501A (en) * | 2020-04-19 | 2020-08-18 | 高茹 | Solar panel system |
| CN111565016A (en) * | 2020-05-12 | 2020-08-21 | 合肥森印科技有限公司 | Self-cleaning solar cell panel for desert |
| CN112427358A (en) * | 2020-12-11 | 2021-03-02 | 广东大粤新能源科技股份有限公司 | Solar panel cleaning equipment |
| CN112523555A (en) * | 2020-12-11 | 2021-03-19 | 朱水仙 | Bus shelter structure with foldable solar panel |
| CN112705500A (en) * | 2020-12-12 | 2021-04-27 | 江苏省苏中建设集团股份有限公司 | Wall brushing machine for underground wall |
| CN112850527A (en) * | 2021-04-09 | 2021-05-28 | 严何 | Multifunctional construction crane |
| CN112910391A (en) * | 2021-01-18 | 2021-06-04 | 江苏新源太阳能科技有限公司 | Solar module cleaning device |
| CN113182284A (en) * | 2021-05-19 | 2021-07-30 | 江西威尔高电子科技有限公司 | Surface dust adhering equipment for PCB production |
| CN113279521A (en) * | 2021-06-03 | 2021-08-20 | 康红礼 | Roof composite board convenient for combination of industrial and civil energy-saving buildings |
| CN116232191A (en) * | 2023-02-02 | 2023-06-06 | 华北水利水电大学 | Solar energy storage device convenient to maintain |
| CN117294229A (en) * | 2023-10-07 | 2023-12-26 | 青岛宏海绿能有限公司 | Solar photovoltaic panel bracket |
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2019
- 2019-06-18 CN CN201920917738.2U patent/CN210098336U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425003A (en) * | 2020-03-20 | 2020-07-17 | 何城 | Utilize roof cleaning device of wind energy |
| CN111425003B (en) * | 2020-03-20 | 2021-04-23 | 嵊州市旭辉建材有限公司 | Utilize roof cleaning device of wind energy |
| CN111545501B (en) * | 2020-04-19 | 2021-05-25 | 欧贝黎新能源科技股份有限公司 | Solar panel system |
| CN111545501A (en) * | 2020-04-19 | 2020-08-18 | 高茹 | Solar panel system |
| CN111472932A (en) * | 2020-04-23 | 2020-07-31 | 绍兴市亚索新能源科技有限公司 | Photovoltaic tile capable of realizing self-cleaning based on wind energy |
| CN111565016A (en) * | 2020-05-12 | 2020-08-21 | 合肥森印科技有限公司 | Self-cleaning solar cell panel for desert |
| CN111565016B (en) * | 2020-05-12 | 2021-10-26 | 合肥森印科技有限公司 | Self-cleaning solar cell panel for desert |
| CN112427358A (en) * | 2020-12-11 | 2021-03-02 | 广东大粤新能源科技股份有限公司 | Solar panel cleaning equipment |
| CN112523555A (en) * | 2020-12-11 | 2021-03-19 | 朱水仙 | Bus shelter structure with foldable solar panel |
| CN112523555B (en) * | 2020-12-11 | 2022-09-02 | 朱水仙 | Bus shelter structure with foldable solar panel |
| CN112705500A (en) * | 2020-12-12 | 2021-04-27 | 江苏省苏中建设集团股份有限公司 | Wall brushing machine for underground wall |
| CN112910391A (en) * | 2021-01-18 | 2021-06-04 | 江苏新源太阳能科技有限公司 | Solar module cleaning device |
| CN112850527A (en) * | 2021-04-09 | 2021-05-28 | 严何 | Multifunctional construction crane |
| CN113182284A (en) * | 2021-05-19 | 2021-07-30 | 江西威尔高电子科技有限公司 | Surface dust adhering equipment for PCB production |
| CN113279521A (en) * | 2021-06-03 | 2021-08-20 | 康红礼 | Roof composite board convenient for combination of industrial and civil energy-saving buildings |
| CN116232191A (en) * | 2023-02-02 | 2023-06-06 | 华北水利水电大学 | Solar energy storage device convenient to maintain |
| CN116232191B (en) * | 2023-02-02 | 2023-09-01 | 华北水利水电大学 | Solar energy storage device convenient to maintain |
| CN117294229A (en) * | 2023-10-07 | 2023-12-26 | 青岛宏海绿能有限公司 | Solar photovoltaic panel bracket |
| CN117294229B (en) * | 2023-10-07 | 2024-04-05 | 青岛宏海绿能有限公司 | Solar photovoltaic panel bracket |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 Termination date: 20200618 |