CN112145351A - Wind power generation equipment protection device based on Internet of things - Google Patents
Wind power generation equipment protection device based on Internet of things Download PDFInfo
- Publication number
- CN112145351A CN112145351A CN202011040552.7A CN202011040552A CN112145351A CN 112145351 A CN112145351 A CN 112145351A CN 202011040552 A CN202011040552 A CN 202011040552A CN 112145351 A CN112145351 A CN 112145351A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- power generation
- wall
- wind power
- protection device
- 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- Withdrawn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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of Internet of things equipment and discloses a wind power generation equipment protection device based on the Internet of things. This wind power generation equipment protection device based on thing networking pops out inside rack through electromagnetic sleeve, and the rack drives reduction gear and rotates, and reduction gear makes the gear lever drive speed reduction piece and the laminating of transmission shaft and reduces speed through the guide slot that openly offers, avoids the too high damage generator of transmission shaft rotational speed, extension wind power generation equipment's life.
Description
Technical Field
The invention relates to the technical field of Internet of things equipment, in particular to a wind power generation equipment protection device based on the Internet of things.
Background
The internet of things is a network which is based on information carriers such as the internet and a traditional telecommunication network and enables all independently addressable common physical objects to realize interconnection, the core and the foundation of the internet are the internet, a user side is extended to between real objects, and therefore, the user can perform corresponding operation on another device even in other places.
If traditional wind power generation equipment meets comparatively abominable weather, can lead to aerogenerator to burn out because the rotational speed of electricity generation flabellum is too high, reduce power generation equipment's life, and aerogenerator's pillar uses the paint finish protective layer of rear surface can drop because the erosion of the weather and rainwater that blows to the sun for a long time, if not in time discovery and processing, the rainwater can corrode the pillar fast, make the pillar rust, and then lead to the pillar intensity to reduce, can let the pillar fracture, empty, it is not only inefficient to investigate and spray paint again through the manual work to the pillar that the protection paint finish drops, the cost is higher, and the incident appears in the high altitude construction easily, unusual danger.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wind power generation equipment protection device based on the Internet of things, which has the advantages of capability of remotely monitoring and troubleshooting, protection of power generation equipment, lower cost and high safety, and solves the problems of poor protection effect, high troubleshooting and maintenance cost and high operation safety risk of the traditional wind power generation equipment.
(II) technical scheme
In order to achieve the purposes of remote monitoring and troubleshooting, power generation equipment protection, lower cost and high safety, the invention provides the following technical scheme: a wind power generation equipment protection device based on the Internet of things comprises a power generation cabin, wherein a transmission shaft is inserted into the right wall of the power generation cabin, a driving gear is sleeved on the outer wall of the right side of the transmission shaft, a transmission gear is meshed with the outer wall of the driving gear, a generator is fixedly connected to the left side of the transmission gear, a reduction gear is sleeved on the outer wall of the left side of the transmission shaft, a reduction rod is movably connected to the inner wall of the reduction gear, a rack is meshed with the outer wall of the reduction gear, an electromagnetic sleeve is movably connected to the outer wall of the rack, a counterweight ball is movably connected to the left end of the transmission shaft, a reset spring is fixedly connected to the outer wall of the counterweight ball, a sliding block is fixedly connected to the left end of the reset spring, a limiting cabin is slidably connected to the outer wall of the sliding, the inside fixedly connected with battery in electricity generation storehouse, the integrated panel of left side outer wall fixedly connected with of battery, the roof fixedly connected with support in electricity generation storehouse, the inside of support is provided with motor gear, motor gear's outer wall meshing has bevel gear, bevel gear's mutually opposite end fixedly connected with drive shaft, the mutually opposite end fixedly connected with carousel of drive shaft, the outer wall swing joint of carousel has the belt, the bottom fixedly connected with paint spraying disc of belt, paint spraying disc's inside fixedly connected with paint spraying head, paint spraying disc's bottom surface fixedly connected with camera.
Preferably, the right end of the transmission shaft is fixedly connected with fan blades.
Preferably, the generator is fixedly connected with the storage battery through a lead.
Preferably, the polarity of the electromagnetic sleeve after being electrified is opposite to that of the rack, and the electromagnetic sleeve is fixedly connected with the socket through a lead.
Preferably, the counterweight ball is fixedly connected with the transmission shaft and the return spring through a compression spring and a steel wire rope respectively.
Preferably, the front surface of the reduction gear is provided with a guide groove meshed with the reduction rod.
Preferably, the opposite ends of the deceleration rod are fixedly connected with deceleration sheets.
Preferably, the paint spray heads are fixedly connected through a conveying pipe.
Preferably, the shooting angle of the camera is controlled by an integrated panel.
(III) advantageous effects
Compared with the prior art, the invention provides a wind power generation equipment protection device based on the Internet of things, which has the following beneficial effects:
1. this wind power generation equipment protection device based on thing networking pops out inside rack through electromagnetic sleeve, and the rack drives reduction gear and rotates, and reduction gear makes the gear lever drive speed reduction piece and the laminating of transmission shaft and reduces speed through the guide slot that openly offers, avoids the too high damage generator of transmission shaft rotational speed, extension wind power generation equipment's life.
2. This wind power generation equipment protection device based on thing networking, thereby it rotates to drive bevel gear through integrated panel starter motor gear, bevel gear drives the carousel through the drive shaft and rotates and receive and release the belt, thereby realize the regulation to the dish position that sprays paint, after the dish that sprays paint reachs the lacquer painting protective layer department of falling on the support, carry out the touch-up paint to lacquer painting protective layer department of falling through integrated panel control spray head, the support that does not have the lacquer painting protective layer has been avoided the rainwater corrosion, it is high-efficient to the investigation efficiency of the hidden danger department of support, the maintenance cost is low, and the operation safety risk is extremely low.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the reduction gear assembly of the present invention;
FIG. 3 is a schematic view of the construction of the spray disc assembly of the present invention;
FIG. 4 is a schematic view of the structure of area A in FIG. 1 according to the present invention;
FIG. 5 is a schematic view of the structure of region B in FIG. 1 according to the present invention;
FIG. 6 is a schematic view of the structure of the region C in FIG. 1 according to the present invention.
In the figure: 1. a power generation cabin; 2. a slider; 3. an integration panel; 4. a turntable; 5. a belt; 6. a support; 7. a storage battery; 8. a counterweight ball; 9. an electromagnetic sleeve; 10. a reduction gear; 11. a drive shaft; 12. a drive gear; 13. a generator; 14. a transmission gear; 15. a fan blade; 16. a rack; 17. a speed reduction lever; 18. spraying paint on the plate; 19. a paint spraying head; 20. a delivery pipe; 21. a limiting bin; 22. a return spring; 23. a plug; 24. a socket; 25. a camera; 26. a motor gear; 27. a bevel gear; 28. a drive shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a wind power generation equipment protection device based on the internet of things comprises a power generation bin 1, a transmission shaft 11 is inserted into the right wall of the power generation bin 1, a fan blade 15 is fixedly connected to the right end of the transmission shaft 11, a driving gear 12 is sleeved on the right outer wall of the transmission shaft 11, a transmission gear 14 is meshed with the outer wall of the driving gear 12, a generator 13 is fixedly connected to the left side of the transmission gear 14, the generator 13 is fixedly connected to a storage battery 7 through a wire, a reduction gear 10 is sleeved on the left outer wall of the transmission shaft 11, a guide groove meshed with the reduction rod 17 is formed in the front of the reduction gear 10, a reduction rod 17 is movably connected to the inner wall of the reduction gear 10, a reduction piece is fixedly connected to the opposite end of the reduction rod 17, a rack 16 is meshed with the outer wall of the reduction gear 10, an electromagnetic sleeve, the electromagnetic sleeve 9 is fixedly connected with a socket 24 through a lead, the left end of the transmission shaft 11 is movably connected with a counterweight ball 8, the counterweight ball 8 is respectively fixedly connected with the transmission shaft 11 and a reset spring 22 through a compression spring and a steel wire rope, the outer wall of the counterweight ball 8 is fixedly connected with the reset spring 22, the left end of the reset spring 22 is fixedly connected with a slide block 2, the outer wall of the slide block 2 is slidably connected with a limiting bin 21, the outer wall of the slide block 2 is fixedly connected with a plug 23, the outer wall of the plug 23 is movably connected with the socket 24, the inside of the power generation bin 1 is fixedly connected with a storage battery 7, the left outer wall of the storage battery 7 is fixedly connected with an integrated panel 3, the top wall of the power generation bin 1 is fixedly connected with a support 6, the inside of the support 6 is provided with a motor gear 26, the outer wall of the motor, the outer wall swing joint of carousel 4 has belt 5, and the bottom fixedly connected with paint tray 18 of belt 5, the inside fixedly connected with paint spray head 19 of paint tray 18, paint spray head 19 pass through conveying pipeline 20 fixed connection, and the bottom surface fixedly connected with camera 25 of paint tray 18, the shooting angle of camera 25 is controlled by integrated panel 3.
The working principle is as follows: when the wind power generation equipment normally generates power, the fan blade 15 drives the transmission shaft 11 to rotate clockwise so as to drive the driving gear 12 to rotate clockwise, the driving gear 12 drives the transmission gear 14 meshed with the driving gear to rotate anticlockwise so as to drive the generator 13 to generate power, the electricity generated by the generator 13 is stored in the storage battery 7 through a lead, when the wind speed is high and the rotation speed of the fan blade 15 is too high, the counterweight ball 8 rotating along with the transmission shaft 11 pulls the sliding block 2 to move rightwards along the limiting bin 21 through a steel wire rope under the action of centrifugal force, the return spring 22 is compressed, the sliding block 2 drives the plug 23 to move rightwards to be meshed with the socket 24, the circuit is conducted, the electromagnetic sleeve 9 fixedly connected with the socket 24 ejects the internal rack 16, the rack 16 drives the reduction gear 10 meshed with the reduction gear to rotate clockwise, the reduction rod 17 drives the reduction plate to, the generator 13 is protected, when the wind power is reduced, the centrifugal force borne by the counterweight ball 8 is reduced, the rotating radius is reduced, the sliding block 2 is not pulled by the counterweight ball 8 any more, the reset spring 22 extends to drive the sliding block 2 to move rightwards, the plug 23 is separated from the socket 24, the circuit is disconnected, the rack 16 in the electromagnetic sleeve 9 retracts into the electromagnetic sleeve 9 under the action of the torsion spring fixedly connected with the front surface, and similarly, the reduction gear 10 rotates anticlockwise to enable the reduction rod 17 to drive the reduction piece to be separated from the transmission shaft 11.
In summary, according to the wind power generation equipment protection device based on the internet of things, the internal rack 16 is popped out through the electromagnetic sleeve 9, the rack 16 drives the reduction gear 10 to rotate, the reduction gear 10 enables the reduction rod 17 to drive the reduction piece to be attached to the transmission shaft 11 through the guide groove formed in the front surface of the reduction gear 10 to reduce the speed of the transmission shaft 11, the generator 13 is prevented from being damaged due to overhigh rotating speed of the transmission shaft 11, and the service life of the wind power generation equipment is prolonged; thereby it rotates to drive conical gear 27 through 3 starter motor gears of integrated panel, conical gear 27 drives carousel 4 through drive shaft 28 and rotates and receive and release belt 5, thereby realize the regulation to the dish 18 position that sprays paint, it reaches support 6 and goes up the back of lacquer finish protective layer drop department at the dish 18 that sprays paint, it mends the lacquer to carry out paint repair to lacquer finish protective layer drop department through 3 control paint spray heads 19 of integrated panel, the support 6 that does not have the lacquer finish protective layer of rainwater corrosion has been avoided, it is efficient to the investigation efficiency of the hidden danger department of support 6, the maintenance cost is low, and the operation safety risk is extremely low.
Having shown and described embodiments of the present invention, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a wind power generation equipment protection device based on thing networking, includes power generation storehouse (1), its characterized in that: a transmission shaft (11) is inserted into the right wall of the power generation bin (1), a driving gear (12) is sleeved on the right outer wall of the transmission shaft (11), a transmission gear (14) is meshed on the outer wall of the driving gear (12), a power generator (13) is fixedly connected to the left side of the transmission gear (14), a reduction gear (10) is sleeved on the left outer wall of the transmission shaft (11), a reduction rod (17) is movably connected to the inner wall of the reduction gear (10), a rack (16) is meshed on the outer wall of the reduction gear (10), an electromagnetic sleeve (9) is movably connected to the outer wall of the rack (16), a counterweight ball (8) is movably connected to the left end of the transmission shaft (11), a reset spring (22) is fixedly connected to the outer wall of the counterweight ball (8), a sliding block (2) is fixedly connected to the left end of the reset spring (22), and a limiting bin (21) is slidably connected to, the outer wall of the sliding block (2) is fixedly connected with a plug (23), the outer wall of the plug (23) is movably connected with a socket (24), a storage battery (7) is fixedly connected with the inside of the power generation bin (1), the left outer wall of the storage battery (7) is fixedly connected with an integrated panel (3), the top wall of the power generation bin (1) is fixedly connected with a support (6), a motor gear (26) is arranged inside the support (6), a conical gear (27) is meshed with the outer wall of the motor gear (26), a driving shaft (28) is fixedly connected with the back end of the conical gear (27), a turntable (4) is fixedly connected with the back end of the driving shaft (28), a belt (5) is movably connected with the outer wall of the turntable (4), a paint spraying disc (18) is fixedly connected with the bottom end of the belt (5), and a paint spraying head (19) is fixedly connected with, the bottom surface of the paint spraying disc (18) is fixedly connected with a camera (25).
2. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the right end of the transmission shaft (11) is fixedly connected with a fan blade (15).
3. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the generator (13) is fixedly connected with the storage battery (7) through a lead.
4. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the polarity of the electrified electromagnetic sleeve (9) is opposite to that of the rack (16), and the electromagnetic sleeve (9) is fixedly connected with the socket (24) through a lead.
5. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the counterweight ball (8) is fixedly connected with the transmission shaft (11) and the return spring (22) through a compression spring and a steel wire rope respectively.
6. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the front surface of the reduction gear (10) is provided with a guide groove meshed with the reduction rod (17).
7. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the opposite end of the speed reducing rod (17) is fixedly connected with a speed reducing sheet.
8. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the paint spraying heads (19) are fixedly connected through a conveying pipe (20).
9. The wind power generation equipment protection device based on the Internet of things according to claim 1, characterized in that: the shooting angle of the camera (25) is controlled by the integrated panel (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011040552.7A CN112145351A (en) | 2020-09-28 | 2020-09-28 | Wind power generation equipment protection device based on Internet of things |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011040552.7A CN112145351A (en) | 2020-09-28 | 2020-09-28 | Wind power generation equipment protection device based on Internet of things |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112145351A true CN112145351A (en) | 2020-12-29 |
Family
ID=73895824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011040552.7A Withdrawn CN112145351A (en) | 2020-09-28 | 2020-09-28 | Wind power generation equipment protection device based on Internet of things |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112145351A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113187663A (en) * | 2021-04-02 | 2021-07-30 | 巩宏权 | New energy wind power generation protection device using bearing block to increase weight and absorb shock |
CN113230615A (en) * | 2021-06-30 | 2021-08-10 | 河南职业技术学院 | Arm strength trainer safe in utilization |
CN113432658A (en) * | 2021-08-26 | 2021-09-24 | 广东信通通信有限公司 | Electric power operation risk prediction and evaluation system |
CN113753236A (en) * | 2021-09-18 | 2021-12-07 | 江苏三铭智达科技有限公司 | Unloading and releasing structure of rescue robot |
CN116056396A (en) * | 2023-03-07 | 2023-05-02 | 江苏星光发电设备有限公司 | Wind-solar-diesel power generation multisource coupling complementary control unit |
-
2020
- 2020-09-28 CN CN202011040552.7A patent/CN112145351A/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113187663A (en) * | 2021-04-02 | 2021-07-30 | 巩宏权 | New energy wind power generation protection device using bearing block to increase weight and absorb shock |
CN113230615A (en) * | 2021-06-30 | 2021-08-10 | 河南职业技术学院 | Arm strength trainer safe in utilization |
CN113230615B (en) * | 2021-06-30 | 2022-10-18 | 河南职业技术学院 | Arm strength trainer safe in utilization |
CN113432658A (en) * | 2021-08-26 | 2021-09-24 | 广东信通通信有限公司 | Electric power operation risk prediction and evaluation system |
CN113432658B (en) * | 2021-08-26 | 2022-01-11 | 广东信通通信有限公司 | Electric power operation risk prediction and evaluation system |
CN113753236A (en) * | 2021-09-18 | 2021-12-07 | 江苏三铭智达科技有限公司 | Unloading and releasing structure of rescue robot |
CN113753236B (en) * | 2021-09-18 | 2023-04-11 | 江苏三铭智达科技有限公司 | Unloading and releasing structure of rescue robot |
CN116056396A (en) * | 2023-03-07 | 2023-05-02 | 江苏星光发电设备有限公司 | Wind-solar-diesel power generation multisource coupling complementary control unit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112145351A (en) | Wind power generation equipment protection device based on Internet of things | |
CN201595117U (en) | Bird dispeller | |
CN102128140A (en) | Wind collecting double-click type wind wheel vertical shaft wind power generator | |
CN107697292B (en) | Bird repelling device for high-voltage transmission line tower | |
CN110454716A (en) | Garden landscape lamp | |
CN219492497U (en) | Wind power generation blade cleaning device | |
CN111987983A (en) | Device capable of automatically cleaning solar panel and protecting solar panel | |
CN112332773A (en) | Energy-saving power storage type distributed new energy power generation equipment | |
CN207284939U (en) | A kind of bird-scaring unit for protecting power equipment | |
CN115435286A (en) | Energy-concerving and environment-protective type new forms of energy thing networking street lamp device | |
CN209918179U (en) | Wind-powered electricity generation blade application spray booth | |
KR101481433B1 (en) | Wind-power generator with rotated blade using solar heat | |
CN201745472U (en) | Automatic spraying locomotive of curing agent | |
CN113294302A (en) | Anti-freezing device and method for blades of wind driven generator | |
CN212189683U (en) | Fireproof door plate spraying device | |
CN111980854A (en) | Wind power generation device capable of automatically adjusting rotating speed | |
CN113622480A (en) | Intelligent fire hydrant | |
CN105840435A (en) | Improved high-altitude wind power generator unit transmission device for high-cold climate | |
CN206343449U (en) | A kind of anti-disengagement unit and the photovoltaic panel cleaning equipment with the anti-disengagement unit | |
CN217270628U (en) | Anti-freezing device for blades of wind driven generator | |
CN100584722C (en) | Automatic tower crane cable draw-in and draw-off device | |
CN208445524U (en) | A kind of self-cleaning multi-angle photovoltaic power generation apparatus | |
CN211384329U (en) | Environment-friendly dust removal fog gun | |
CN210882633U (en) | Device for removing foreign matters through flame spraying of unmanned aerial vehicle | |
CN207390077U (en) | A kind of activated coke bin blanking bomb shelter device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201229 |