CN217721098U - Mountain region photovoltaic power plant - Google Patents

Mountain region photovoltaic power plant Download PDF

Info

Publication number
CN217721098U
CN217721098U CN202123103100.1U CN202123103100U CN217721098U CN 217721098 U CN217721098 U CN 217721098U CN 202123103100 U CN202123103100 U CN 202123103100U CN 217721098 U CN217721098 U CN 217721098U
Authority
CN
China
Prior art keywords
mounting
solar cell
cell panel
photovoltaic power
power plant
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.)
Active
Application number
CN202123103100.1U
Other languages
Chinese (zh)
Inventor
严程
陈煜天
戴宏余
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Tongguang Changlong Electric Power Energy Co ltd
Original Assignee
Jiangsu Tongguang Changlong Electric Power Energy Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Tongguang Changlong Electric Power Energy Co ltd filed Critical Jiangsu Tongguang Changlong Electric Power Energy Co ltd
Priority to CN202123103100.1U priority Critical patent/CN217721098U/en
Application granted granted Critical
Publication of CN217721098U publication Critical patent/CN217721098U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a mountain photovoltaic power station, which comprises an installation bottom plate, an automatic adjusting mechanism and a cleaning mechanism; installing a bottom plate: the right side of the upper surface of the installation bottom plate is provided with a storage battery, the left side of the upper surface of the installation bottom plate is provided with a PLC (programmable logic controller) and a photovoltaic controller, and the input end of the PLC is electrically connected with the output end of the storage battery; the automatic regulating mechanism: the solar cell panel is arranged in the middle of the upper surface of the mounting bottom plate, the upper end of the automatic adjusting mechanism is provided with a mounting frame, a solar cell panel is arranged in an upper square opening of the mounting frame, the output end of the solar cell panel is electrically connected with the input end of the photovoltaic controller, and the output end of the photovoltaic controller is electrically connected with the input end of the storage battery; cleaning the mechanism: set up in the left and right sides of mounting bracket, clean mechanism and solar cell panel cooperation installation, this mountain region photovoltaic power plant can clean solar cell panel's surface automatically, guarantees that the device can normal operating, improves the life of device.

Description

Mountain region photovoltaic power plant
Technical Field
The utility model relates to a photovoltaic power plant technical field specifically is a mountain region photovoltaic power plant.
Background
The photovoltaic power station is a photovoltaic power generation system which is connected with a power grid and transmits power to the power grid, and is formed by electronic elements made of special materials such as a crystalline silicon plate and a photovoltaic controller.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a mountain region photovoltaic power plant, can carry out the automation to solar cell panel's surface and clean, guarantee that the device can normal operating, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a mountain land photovoltaic power station comprises a mounting bottom plate, an automatic adjusting mechanism and a cleaning mechanism;
installing a bottom plate: the right side of the upper surface of the installation bottom plate is provided with a storage battery, the left side of the upper surface of the installation bottom plate is provided with a PLC (programmable logic controller) and a photovoltaic controller, and the input end of the PLC is electrically connected with the output end of the storage battery;
the automatic regulating mechanism: the solar cell panel is arranged in the middle of the upper surface of the mounting bottom plate, the upper end of the automatic adjusting mechanism is provided with a mounting frame, a solar cell panel is arranged in an upper square opening of the mounting frame, the output end of the solar cell panel is electrically connected with the input end of the photovoltaic controller, and the output end of the photovoltaic controller is electrically connected with the input end of the storage battery;
cleaning the mechanism: set up in the left and right sides of mounting bracket, clean mechanism and solar cell panel cooperation installation, can carry out automatically regulated according to the sun position of each period, can guarantee that solar cell panel corresponds with the sun all the time, increase the generating efficiency of device, provide and clean the part, can clean solar cell panel's surface automatically, guarantee that the device can normal operating, improve the life of device.
Further, automatically regulated mechanism includes fixed column, sloping platform, slider and regulating arm, the fixed column sets up in the upper surface middle part of mounting plate, and the mounting bracket passes through universal ball joint and sets up in the top end department of fixed column, and the sloping platform passes through the bearing and rotates to be connected in the extrados middle part of fixed column, and annular spout has been seted up in the upper end inclined plane outside of sloping platform, and slider sliding connection is in the inside of annular spout, and the regulating arm passes through the hinge and articulates in the upper end of slider, and the upper end of regulating arm is articulated through the lower surface front side of hinge and mounting bracket, can carry out automatic adjustment to solar cell panel's inclination.
Further, automatically regulated mechanism still includes gear, motor and ring gear, the motor sets up in mounting plate's upper surface rear side, and the gear sets up in the output shaft upper end of motor, and the ring gear sets up in the lower surface outside of sloping, and the gear is connected with the ring gear meshing, and the output of PLC controller is connected to the input electricity of motor, provides power for the operation of device.
Further, still include telescopic link and slide, the telescopic link sets up respectively in mounting plate's upper surface four corners department, and slide difference sliding connection passes through the hinge with the slide that the upper end corresponds respectively in the forked tail spout that mounting bracket lower surface four corners department seted up, the flexible end upper end of telescopic link passes through the hinge, provides the direction support for the operation of top part.
Further, clean the mechanism and include mounting groove, hollow pole and scraper blade, the mounting groove is seted up respectively in the upper surface left and right sides of mounting bracket, and hollow pole is sliding connection in the inside of mounting groove respectively, and the upper surface middle part of hollow pole all is connected through the lower fixed surface of connecting block with the scraper blade, and the lower surface middle part of scraper blade and solar cell panel's upper surface contact can clean solar cell panel's surface.
Furthermore, clean the mechanism and still include the shot, the shot all is located the cavity at hollow pole middle part, can rely on self gravity to drive the top part and remove.
Furthermore, installation round holes are formed in four corners of the upper surface of the installation bottom plate, and the installation position of the device is fixed conveniently.
Compared with the prior art, the beneficial effects of the utility model are that: this mountain region photovoltaic power plant has following benefit:
1. the installation circular hole is used for fixing the installation bottom plate at the installation position, the installation and the fixation of the installation bottom plate and the upper part are realized, the solar cell panel converts light energy into electric energy under the irradiation of the sun, then the electric energy is stored in the storage battery through the photovoltaic controller, the solar position changes along with the change of local time, the PLC controller regulates and controls the work of the motor when the internal set time is reached, the output shaft drives the toothed ring and the upper part to rotate around the fixed column through the gear, so that the sliding block slides in the annular sliding groove formed in the outer side of the inclined plane at the upper end of the inclined platform, the length of the adjusting arm is fixed, the adjusting arm can push the front end of the installation frame to rise along with the sliding of the sliding block, the installation frame and the upper part rotate backwards through the universal ball joint at the upper end of the fixed column, so that the inclination angle of the solar cell panel changes, the solar cell panel can be ensured to always correspond to the sun, the power generation efficiency of the solar cell panel is increased, the telescopic rod can be driven to extend or contract when the upper part is rotated and adjusted, so that the guide support is provided for the operation of the device, the stability of the device is improved, the automatic adjustment according to the position of each time period, and the solar cell panel, and the efficiency of the solar cell panel is increased.
2. When the mounting bracket is rotatory to inclining backward, hollow rod inclines backward thereupon to this makes the shot roll backward under the effect of self gravity, and then makes hollow rod's focus move to the rear side, makes hollow rod take the scraper blade to slide backward along the mounting groove, scrapes the debris of solar cell panel upper surface with this lower surface middle part that makes the scraper blade, provides and cleans the part, can clean the surface of solar cell panel automatically, guarantees that the device can normal operating, the life of high installation device.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the automatic adjustment mechanism of the present invention;
fig. 3 is a schematic view of the sectional structure of the mounting rack of the present invention.
In the figure: the device comprises a mounting base plate 1, a PLC (programmable logic controller) 2, a photovoltaic controller 3, a storage battery 4, an automatic adjusting mechanism 5, a gear 51, a motor 52, a fixed column 53, a toothed ring 54, an inclined table 55, a sliding block 56, an adjusting arm 57, a mounting rack 6, a solar cell panel 7, a cleaning mechanism 8, a mounting groove 81, a hollow rod 82, a scraping plate 83, a lead ball 84, a telescopic rod 9 and a sliding seat 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present embodiment provides a technical solution: a mountain land photovoltaic power station comprises a mounting base plate 1, an automatic adjusting mechanism 5 and a cleaning mechanism 8;
mounting the bottom plate 1: the mounting base plate 1 provides a mounting place for other components, the right side of the upper surface of the mounting base plate is provided with the storage battery 4, the left side of the upper surface of the mounting base plate 1 is provided with the PLC 2 and the photovoltaic controller 3, the input end of the PLC 2 is electrically connected with the output end of the storage battery 4, the mounting base plate 1 is fixed at a mounting position through a mounting circular hole, mounting and fixing of the mounting base plate 1 and the components above are achieved, the solar cell panel 7 converts light energy into electric energy under the irradiation of the sun, and then the electric energy is stored in the storage battery 4 through the photovoltaic controller 3;
automatic adjustment mechanism 5: the automatic adjusting mechanism 5 can automatically adjust the inclination angle of the solar cell panel, and is arranged in the middle of the upper surface of the mounting base plate 1, the upper end of the automatic adjusting mechanism 5 is provided with a mounting frame 6, the solar cell panel 7 is arranged in an upper square opening of the mounting frame 6, the output end of the solar cell panel 7 is electrically connected with the input end of the photovoltaic controller 3, the output end of the photovoltaic controller 3 is electrically connected with the input end of the storage battery 4, the automatic adjusting mechanism 5 comprises a fixed column 53, an inclined table 55, a sliding block 56 and an adjusting arm 57, the fixed column 53 is arranged in the middle of the upper surface of the mounting base plate 1, the mounting frame 6 is arranged at the top end of the fixed column 53 through a universal ball joint, the inclined table 55 is rotatably connected to the middle of the outer arc surface of the fixed column 53 through a bearing, an annular sliding groove is formed in the outer side of the inclined plane of the upper end of the inclined table 55, the sliding block 56 is slidably connected to the inside of the annular sliding groove, and the adjusting arm 57 is hinged to the upper end of the sliding block 56 through a hinge, the upper end of the adjusting arm 57 is hinged with the front side of the lower surface of the mounting rack 6 through a hinge, the automatic adjusting mechanism 5 further comprises a gear 51, a motor 52 and a toothed ring 54, the motor 52 is arranged on the rear side of the upper surface of the mounting base plate 1, the gear 51 is arranged on the upper end of the output shaft of the motor 52, the toothed ring 54 is arranged on the outer side of the lower surface of the ramp 55, the gear 51 is meshed with the toothed ring 54, the input end of the motor 52 is electrically connected with the output end of the PLC controller 2, the automatic adjusting mechanism further comprises an expansion link 9 and a sliding seat 10, the expansion link 9 is respectively arranged at the four corners of the upper surface of the mounting base plate 1, the sliding seat 10 is respectively connected in a sliding way in a dovetail sliding way arranged at the four corners of the lower surface of the mounting rack 6, the upper end of the expansion link 9 is hinged with the sliding seat 10 corresponding to the upper end through a hinge, the sun position changes along with the change of local time, the PLC controller 2 regulates and controls the motor 52 to work when the internal set time arrives, the output shaft drives the gear ring 54 and the upper part to rotate around the fixed column 53 through the gear 51, so that the sliding block 56 slides in an annular sliding groove formed in the outer side of the inclined plane at the upper end of the inclined table 55, the length of the adjusting arm 57 is fixed, the adjusting arm 57 can prop against the front end of the mounting frame 6 to be lifted through the upper hinge along with the sliding lifting of the sliding block 56, the mounting frame 6 and the upper part rotate backwards through a universal ball joint at the upper end of the fixed column 53, so that the inclination angle of the solar cell panel 7 is changed, the solar cell panel 7 can be ensured to always correspond to the sun, the power generation efficiency of the solar cell panel 7 is increased, when the mounting frame 6 drives the upper part to rotate and adjust, the mounting frame 6 can drive the telescopic rod 9 to extend or contract, the guiding support is provided for the operation of the device, and the stability of the operation of the device is improved;
the cleaning mechanism 8: cleaning mechanism 8 can clean solar cell panel's surface, set up in the left and right sides of mounting bracket 6, cleaning mechanism 8 and the cooperation installation of solar cell panel 7, cleaning mechanism 8 includes mounting groove 81, hollow rod 82 and scraper blade 83, the mounting groove 81 is seted up respectively in the upper surface left and right sides of mounting bracket 6, hollow rod 82 is sliding connection in the inside of mounting groove 81 respectively, the lower fixed surface of connecting block and scraper blade 83 is all passed through in the upper surface middle part of hollow rod 82, the upper surface contact of the lower surface middle part of scraper blade 83 and solar cell panel 7, cleaning mechanism 8 still includes shot 84, shot 84 all is located the cavity at hollow rod 82 middle part, when mounting bracket 6 rotates to inclining backward, hollow rod 82 inclines backward thereupon, so that shot 84 rolls backward under the effect of self gravity, and then make the focus of hollow rod 82 move to the rear side, make hollow rod 82 take scraper blade 83 to slide backward along mounting groove 81, so make the lower surface of scraper blade 83 scrape the debris of upper surface of solar cell panel 7 down.
The utility model provides a pair of mountain region photovoltaic power plant's theory of operation as follows: the installation base plate 1 is fixed at the installation position through the installation round hole, the installation and the fixation of the installation base plate 1 and the upper part are realized, the solar panel 7 converts light energy into electric energy under the irradiation of the sun, then the electric energy is stored in the storage battery 4 through the photovoltaic controller 3, the position of the sun changes along with the change of local time, the PLC controller 2 regulates and controls the motor 52 to work when the internal set time is reached, the output shaft drives the toothed ring 54 and the upper part to rotate around the fixed column 53 through the gear 51, so that the sliding block 56 slides in the annular sliding groove arranged on the outer side of the inclined plane at the upper end of the inclined platform 55, the length of the adjusting arm 57 is fixed, the adjusting arm 57 can lift against the front end of the installation frame 6 through the upper hinge along with the sliding of the sliding block 56, and the installation frame 6 and the upper part rotate backwards through the universal ball joint of the fixed column 53, the inclination angle of the solar cell panel 7 is changed, so that the solar cell panel 7 can be ensured to always correspond to the sun, the power generation efficiency of the solar cell panel 7 is increased, when the mounting frame 6 drives the upper part to rotate and adjust, the mounting frame 6 can drive the telescopic rod 9 to extend or contract, guiding support is provided for the operation of the device, the operation stability of the device is improved, when the mounting frame 6 rotates to be inclined backwards, the hollow rod 82 tilts backwards along with the hollow rod 82, so that the lead ball 84 rolls backwards under the action of self gravity, the gravity center of the hollow rod 82 is moved to the rear side, the hollow rod 82 drives the scraping plate 83 to slide backwards along the mounting groove 81, and sundries on the upper surface of the solar cell panel 7 are scraped off by the middle part of the lower surface of the scraping plate 83.
It should be noted that the specific model of the PLC controller 2 disclosed in the above embodiment is S7-300, the photovoltaic controller 3 may be a photovoltaic controller of model WM588, the motor 52 may be a stepping motor of model QS42HS34-ZK2-M6, and the PLC controller 2 controls the motor 52 to operate by a method commonly used in the prior art.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a mountain region photovoltaic power plant which characterized in that: comprises a mounting bottom plate (1), an automatic adjusting mechanism (5) and a cleaning mechanism (8);
mounting base plate (1): a storage battery (4) is arranged on the right side of the upper surface of the mounting base plate (1), a PLC (programmable logic controller) (2) and a photovoltaic controller (3) are arranged on the left side of the upper surface of the mounting base plate, and the input end of the PLC (2) is electrically connected with the output end of the storage battery (4);
automatic adjustment mechanism (5): the automatic adjusting mechanism is arranged in the middle of the upper surface of the mounting base plate (1), a mounting frame (6) is arranged at the upper end of the automatic adjusting mechanism (5), a solar cell panel (7) is arranged in an upper square opening of the mounting frame (6), the output end of the solar cell panel (7) is electrically connected with the input end of the photovoltaic controller (3), and the output end of the photovoltaic controller (3) is electrically connected with the input end of the storage battery (4);
cleaning mechanism (8): the cleaning mechanism is arranged on the left side and the right side of the mounting rack (6), and the cleaning mechanism (8) is installed in a matching way with the solar cell panel (7).
2. The mountain land photovoltaic power plant of claim 1 wherein: automatic adjustment mechanism (5) include fixed column (53), sloping platform (55), slider (56) and regulating arm (57), fixed column (53) set up in the upper surface middle part of mounting plate (1), mounting bracket (6) set up in the top end department of fixed column (53) through universal ball joint, sloping platform (55) rotate through the bearing and connect in the extrados middle part of fixed column (53), annular spout has been seted up in the upper end inclined plane outside of sloping platform (55), slider (56) sliding connection is in the inside of annular spout, regulating arm (57) pass through hinge joint in the upper end of slider (56), the upper end of regulating arm (57) passes through hinge joint with the lower surface front side of mounting bracket (6) and articulates.
3. The mountain land photovoltaic power plant of claim 2 wherein: the automatic adjusting mechanism (5) further comprises a gear (51), a motor (52) and a toothed ring (54), the motor (52) is arranged on the rear side of the upper surface of the mounting base plate (1), the gear (51) is arranged on the upper end of an output shaft of the motor (52), the toothed ring (54) is arranged on the outer side of the lower surface of the inclined table (55), the gear (51) is meshed with the toothed ring (54) to be connected, and the input end of the motor (52) is electrically connected with the output end of the PLC (2).
4. The mountain photovoltaic power plant of claim 1, wherein: still include telescopic link (9) and slide (10), telescopic link (9) set up respectively in the upper surface four corners department of mounting plate (1), and slide (10) difference sliding connection is in the forked tail spout that mounting bracket (6) lower surface four corners department seted up, and slide (10) that correspond with the upper end respectively are passed through the hinge and are articulated on the flexible end of telescopic link (9).
5. The mountain land photovoltaic power plant of claim 1 wherein: clean mechanism (8) including mounting groove (81), hollow rod (82) and scraper blade (83), the upper surface left and right sides of mounting bracket (6) is seted up respectively in mounting groove (81), and hollow rod (82) sliding connection is respectively in the inside of mounting groove (81), and the upper surface middle part of hollow rod (82) all is connected through the lower fixed surface of connecting block with scraper blade (83), the lower surface middle part of scraper blade (83) and the upper surface contact of solar cell panel (7).
6. The mountain land photovoltaic power plant of claim 5 wherein: the sweeping mechanism (8) further comprises shot balls (84), and the shot balls (84) are all located in a cavity in the middle of the hollow rod (82).
7. The mountain land photovoltaic power plant of claim 1 wherein: and the four corners of the upper surface of the mounting bottom plate (1) are provided with mounting round holes.
CN202123103100.1U 2021-12-11 2021-12-11 Mountain region photovoltaic power plant Active CN217721098U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123103100.1U CN217721098U (en) 2021-12-11 2021-12-11 Mountain region photovoltaic power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123103100.1U CN217721098U (en) 2021-12-11 2021-12-11 Mountain region photovoltaic power plant

Publications (1)

Publication Number Publication Date
CN217721098U true CN217721098U (en) 2022-11-01

Family

ID=83773662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123103100.1U Active CN217721098U (en) 2021-12-11 2021-12-11 Mountain region photovoltaic power plant

Country Status (1)

Country Link
CN (1) CN217721098U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115987200A (en) * 2022-12-26 2023-04-18 汉摩尼(江苏)光电科技有限公司 Photovoltaic equipment mounting rack convenient to adjust
CN118589966A (en) * 2024-05-24 2024-09-03 江苏固尚新能源有限公司 A corrosion-resistant, high-strength, high-sealing photovoltaic panel and its packaging component

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115987200A (en) * 2022-12-26 2023-04-18 汉摩尼(江苏)光电科技有限公司 Photovoltaic equipment mounting rack convenient to adjust
CN115987200B (en) * 2022-12-26 2023-11-28 天津振江新能科技有限公司 Photovoltaic equipment mounting bracket convenient to adjust
CN118589966A (en) * 2024-05-24 2024-09-03 江苏固尚新能源有限公司 A corrosion-resistant, high-strength, high-sealing photovoltaic panel and its packaging component

Similar Documents

Publication Publication Date Title
CN111835274A (en) Solar cell panel capable of automatically adjusting angle along with sun
CN217721098U (en) Mountain region photovoltaic power plant
CN215581022U (en) Photovoltaic power generation device
CN212518876U (en) Solar photovoltaic panel equipment
CN118137946A (en) A building roof system for low-carbon photovoltaic energy recovery
CN111530810A (en) But angle regulation's solar panel ash removal device
CN216490381U (en) A solar film self-cleaning device
CN209930181U (en) Photovoltaic panel capable of preventing dust accumulation
CN120342300A (en) An integrated photovoltaic energy storage device
CN222915934U (en) Photovoltaic power generation assembly convenient to adjust
CN116020789A (en) A kind of dust automatic cleaning robot on the surface of solar panel and using method thereof
CN210469177U (en) Supporting device with photovoltaic plate angle adjustment
CN222262644U (en) Photovoltaic face cleaning device
CN117792239B (en) High strength support frame of photovoltaic board
CN215452845U (en) Photovoltaic module with adjustable light receiving surface
CN218648763U (en) Solar cell panel installation device for photovoltaic power station
CN111293969A (en) Solar energy drive arrangement of water pump for sewage treatment
CN219041723U (en) Automatic ash removal robot of photovoltaic board
CN117938044A (en) A distributed photovoltaic equipment support structure
CN212992255U (en) Solar energy mounting bracket for new forms of energy
CN115664313A (en) Automatic photovoltaic tripe device of adjusting
CN209593345U (en) A photovoltaic device that prevents snow from covering
CN220874502U (en) Energy-storage type photovoltaic power station structure
CN218124011U (en) Outdoor dampproofing photovoltaic power plant
CN220291970U (en) Supporting structure for assisting posture adjustment of photovoltaic power generation equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant