CN109347421A - A kind of photovoltaic board fixing structure - Google Patents
A kind of photovoltaic board fixing structure Download PDFInfo
- Publication number
- CN109347421A CN109347421A CN201811378575.1A CN201811378575A CN109347421A CN 109347421 A CN109347421 A CN 109347421A CN 201811378575 A CN201811378575 A CN 201811378575A CN 109347421 A CN109347421 A CN 109347421A
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- China
- Prior art keywords
- fixedly connected
- threaded rod
- block
- sliding
- plate
- 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.)
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Links
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 8
- 238000011900 installation process Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic board fixing structures, including bottom plate, midpoint at the top of bottom plate is fixedly connected with supporting block, mounting plate is fixedly connected at the top of supporting block, the left and right sides of mounting plate offers clamping groove, and two clamping groove inner wall sides close to each other are fixedly connected to sliding rail, and the surface of sliding rail slidably connects sliding block, the top of sliding block is through clamping groove and extends to outside it, and the bottom of sliding block through clamping groove and extends to outside it.The present invention passes through mounting plate, clamping groove, sliding rail, sliding block, the first threaded rod, the second threaded rod, link block, rotating ring, swivelling chute, fixed plate, the mutual cooperation for clamping threaded rod, sliding slot, slide bar, movable block, movable plate and limiting slot, making the process of photovoltaic board fixing structure installation photovoltaic panel becomes simple, installation process is time saving and energy saving, the work load of staff is dramatically reduced, is brought great convenience to staff.
Description
Technical field
The present invention relates to solar energy photovoltaic panel technique for fixing field, specially a kind of photovoltaic board fixing structure.
Background technique
Solar photovoltaic system, also referred to as photogenic voltage, abbreviation photovoltaic refer to the photovoltage using photovoltaic semiconductors material
Effect and the facility for converting solar energy into direct current energy.The core of photovoltaic facility is solar panel.Currently, being used to generate electricity
Semiconductor material mainly have: monocrystalline silicon, polysilicon, amorphous silicon and cadmium telluride etc., during solar energy photovoltaic panel is installed,
Common photovoltaic board fixing structure installation photovoltaic panel process is many and diverse, the time for often needing to spend staff more and essence
Power could complete the installation of solar energy photovoltaic panel, and installation process is time-consuming and laborious, substantially increase the work load of staff,
Great inconvenience is brought to staff.
Summary of the invention
The purpose of the present invention is to provide a kind of photovoltaic board fixing structures, and it is simple to have installation photovoltaic panel process
Advantage solves the problems, such as that common photovoltaic board fixing structure installation photovoltaic panel process is many and diverse.
To achieve the above object, the invention provides the following technical scheme: a kind of photovoltaic board fixing structure, including bottom
Plate, the midpoint at the top of the bottom plate is fixedly connected with supporting block, mounting plate is fixedly connected at the top of the supporting block, described
The left and right sides of mounting plate offers clamping groove, and two clamping groove inner wall sides close to each other are fixedly connected to sliding rail,
The surface of the sliding rail slidably connects sliding block, and the top of the sliding block through clamping groove and extends to outside it, the sliding block
Bottom through clamping groove and extending to outside it, the bottom that two sliding blocks are located remotely from each other side is threaded with the first spiral shell respectively
Rasp bar and the second threaded rod, the lower section of the mounting plate and the position being located between two sliding blocks are provided with link block, and described the
It being fixedly connected between one threaded rod and the second threaded rod by link block, the surface of the link block is fixedly connected with rotating ring,
The bottom of the mounting plate and position of corresponding rotating ring offers matched swivelling chute, is passed through at the top of the rotating ring
It wears swivelling chute and extends to inside it, be fixedly connected to fixed plate, the fixation at the top of two sliding block sides close to each other
The screw top of plate is connected with clamping threaded rod, and the bottom end of the clamping threaded rod through fixed plate and extends to outside it, two
A sliding block side close to each other and the position between mounting plate and fixed plate offer sliding slot, the top of the sliding slot inner wall
It is fixedly connected between portion and bottom by slide bar, the surface of the slide bar slidably connects movable block, and the movable block is far from sliding
The side of block is through sliding slot and extends to outside it, and the movable block is fixedly connected with movable plate far from the side of sliding block, described
The top of movable plate and the position of corresponding clamping threaded rod offer matched limiting slot, the bottom of the clamping threaded rod
End is through limiting slot and extends to inside it.
Preferably, the four corners at the top of the bottom plate offer installing port.
Preferably, the mounting plate corresponds to and is connected with ball in the groove at left and right sides of swivelling chute inner wall, described
Ball contacts with each other close to the side of rotating ring with it.
Preferably, the surface of the slide bar and be located at movable block bottom be socketed with spring, the bottom end of the spring and cunning
The bottom of slot inner wall is fixedly connected, and the top of the spring is fixedly connected with the bottom of movable block.
Preferably, the surface of the slide bar and be located at movable block bottom be socketed with spring, the bottom end of the spring and cunning
The bottom of slot inner wall is fixedly connected, and the top of the spring is fixedly connected with the bottom of movable block.
Preferably, the bottom end of the clamping threaded rod and the bottom of limiting slot inner wall contact with each other.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention by mounting plate, clamping groove, sliding rail, sliding block, the first threaded rod, the second threaded rod, link block, rotating ring,
Swivelling chute, fixed plate, the mutual cooperation for clamping threaded rod, sliding slot, slide bar, movable block, movable plate and limiting slot, make solar energy
The process of volt board fixing structure installation photovoltaic panel becomes simply, and installation process is time saving and energy saving, dramatically reduces staff's
Work load brings great convenience to staff.
2, the present invention facilitates staff to secure a base plate on ground or working face, by setting by setting installing port
Ball is set, rotating ring is allow to rotate more smooth, by setting spring, movable plate is made to may be at the top of mounting plate,
Facilitate staff that photovoltaic panel is placed on to the lower section of movable plate, be further simplified installation process, by the way that cushion is arranged, plays guarantor
The effect for protecting solar energy photovoltaic panel, avoids movable plate from pressing from both sides photovoltaic panel bad.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the structure of front view of the present invention；
Fig. 2 is the partial enlarged view of A-A in Fig. 1 of the present invention；
Fig. 3 is the partial enlarged view of B-B in Fig. 1 of the present invention；
Fig. 4 is the structural schematic diagram of mounting plate right view of the present invention.
In figure: 1 bottom plate, 2 supporting blocks, 3 mounting plates, 4 clamping grooves, 5 sliding rails, 6 sliding blocks, 7 first threaded rods, 8 second screw threads
Bar, 9 link blocks, 10 rotating rings, 11 swivelling chutes, 12 fixed plates, 13 clamping threaded rods, 14 sliding slots, 15 slide bars, 16 movable blocks, 17
Movable plate, 18 limiting slots, 19 installing ports, 20 balls, 21 springs, 22 cushions.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4, a kind of photovoltaic board fixing structure, including bottom plate 1 are please referred to, the four corners at 1 top of bottom plate are opened
Facilitate staff that bottom plate 1 is fixed on ground or working face, bottom plate 1 pushes up by the way that installing port 19 is arranged equipped with installing port 19
The midpoint in portion is fixedly connected with supporting block 2, and the top of supporting block 2 is fixedly connected with mounting plate 3, the left and right sides of mounting plate 3
Clamping groove 4 is offered, two 4 inner wall of clamping groove sides close to each other are fixedly connected to sliding rail 5, and the surface of sliding rail 5 is sliding
Dynamic to be connected with sliding block 6, sliding block 6 can horizontally slip on the surface of sliding rail 5, but not rotate, and the top of sliding block 6 is through card
It access slot 4 and extends to outside it, the bottom of sliding block 6 through clamping groove 4 and extends to outside it, and the limit of two sliding blocks 6 is close
Distance enough fixes solar energy photovoltaic panel, and the bottom that two sliding blocks 6 are located remotely from each other side is threaded with the first spiral shell respectively
Rasp bar 7 and the second threaded rod 8, when the first threaded rod 7 and the second 8 rotating Vortex of threaded rod, two sliding blocks 6 or to mutually leaning on
Close direction moves or moves in the direction away from each other, the lower section of mounting plate 3 and the position being located between two sliding blocks 6
It is provided with link block 9, is fixedly connected between the first threaded rod 7 and the second threaded rod 8 by link block 9, the surface of link block 9 is solid
Surely it is connected with rotating ring 10, the position of the bottom of mounting plate 3 and corresponding rotating ring 10 offers matched swivelling chute 11,
The top of rotating ring 10 is through swivelling chute 11 and extends to inside it, recessed at left and right sides of corresponding 11 inner wall of swivelling chute of mounting plate 3
Ball 20 is connected in slot, ball 20 contacts with each other close to the side of rotating ring 10 with it, by the way that ball 20 is arranged, makes
Rotating ring 10 can rotate more smooth, be fixedly connected to fixed plate 12 at the top of two sides close to each other of sliding block 6, Gu
The screw top of fixed board 12 is connected with clamping threaded rod 13, and the bottom end of clamping threaded rod 13 through fixed plate 12 and extends to outside it
Portion clamps and is fixedly connected with rotating bar at the top of threaded rod 13, welding manner can be used herein, rotating bar is directly welded on clamping
The top of threaded rod 13 facilitates staff directly to rotate clamping threaded rod 13, two sliding blocks 6 by hand by the way that rotating bar is arranged
Side and the position between mounting plate 3 and fixed plate 12 close to each other offers sliding slot 14, the top of 14 inner wall of sliding slot
It is fixedly connected between bottom by slide bar 15, the surface of slide bar 15 slidably connects movable block 16, and movable block 16 is far from sliding block 6
Side through sliding slot 14 and extending to outside it, movable block 16 is fixedly connected with movable plate 17, slide bar far from the side of sliding block 6
15 surface and the bottom for being located at movable block 16 are socketed with spring 21, the fixed company in the bottom end of spring 21 and the bottom of 14 inner wall of sliding slot
It connects, the top of spring 21 is fixedly connected with the bottom of movable block 16, by the way that spring 21 is arranged, movable plate 17 is made to may be at installing
The top of plate 3 facilitates staff that photovoltaic panel is placed on to the lower section of movable plate 17, is further simplified installation process, movable plate 17
Bottom be fixedly connected with cushion 22, by be arranged cushion 22, play the role of protect solar energy photovoltaic panel, avoid movable plate
17 press from both sides photovoltaic panel bad, and the position of the top of movable plate 17 and corresponding clamping threaded rod 13 offers matched limiting slot
18, the bottom end of clamping threaded rod 13 through limiting slot 18 and extends to inside it, clamps bottom end and the limiting slot 18 of threaded rod 13
The bottom of inner wall contacts with each other, and by mounting plate 3, clamping groove 4, sliding rail 5, sliding block 6, the first threaded rod 7, the second threaded rod 8, connects
Connect block 9, rotating ring 10, swivelling chute 11, fixed plate 12, clamping threaded rod 13, sliding slot 14, slide bar 15, movable block 16, movable plate 17
With the mutual cooperation of limiting slot 18, become the process of photovoltaic board fixing structure installation photovoltaic panel simply, installation process
It is time saving and energy saving, the work load of staff is dramatically reduced, is brought great convenience to staff.
In use, photovoltaic panel is placed on the top of mounting plate 3 by staff, pass through 10 Rotary Connection block 9 of rotating ring, connection
Block 9 drives the first threaded rod 7 and the rotation of the second threaded rod 8, and the first threaded rod 7 and the rotation of the second threaded rod 8 lead to two sliding blocks 6
It being moved to direction close to each other, sliding block 6 slides on the surface of sliding rail 5, and two sliding blocks 6 clamp solar energy photovoltaic panel, at this point,
Stop operating rotating ring 10, and by the cross bar rotation clamping threaded rod 13 at 13 top of clamping threaded rod, clamping threaded rod 13 is downward
Movement, clamping threaded rod 13 drive movable plate 17 to move downward, and movable plate 17 drives movable block 16 downward on the surface of slide bar 15
Movement, when contacting with each other at the top of the bottom of movable plate 17 and solar energy photovoltaic panel, stops rotating and clamps threaded rod 13, pass through
Solar energy photovoltaic panel can be fixed on the top of mounting plate 3 by above-mentioned steps, and whole installation process is very simple, and installation process saves
Shi Shengli dramatically reduces the work load of staff.
In summary: the photovoltaic board fixing structure passes through mounting plate 3, clamping groove 4, sliding rail 5, sliding block 6, first
Threaded rod 7, link block 9, rotating ring 10, swivelling chute 11, fixed plate 12, clamping threaded rod 13, sliding slot 14, is slided second threaded rod 8
The mutual cooperation of bar 15, movable block 16, movable plate 17 and limiting slot 18 solves common photovoltaic board fixing structure installation
The many and diverse problem of photovoltaic panel process.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of photovoltaic board fixing structure, including bottom plate (1), it is characterised in that: the midpoint at the top of the bottom plate (1)
It is fixedly connected with supporting block (2), is fixedly connected with mounting plate (3) at the top of the supporting block (2), a left side for the mounting plate (3)
Right two sides offer clamping groove (4), and two clamping groove (4) inner wall sides close to each other are fixedly connected to sliding rail (5), institute
The surface for stating sliding rail (5) slidably connects sliding block (6), and the top of the sliding block (6) through clamping groove (4) and extends to outside it
The bottom in portion, the sliding block (6) through clamping groove (4) and extends to outside it, and two sliding blocks (6) are located remotely from each other the bottom of side
It is threaded with the first threaded rod (7) and the second threaded rod (8) respectively, the lower section of the mounting plate (3) and is located at two sliding blocks
(6) position between is provided with link block (9), passes through link block between first threaded rod (7) and the second threaded rod (8)
(9) it is fixedly connected, the surface of the link block (9) is fixedly connected with rotating ring (10), the bottom of the mounting plate (3) and correspondence
The position of rotating ring (10) offers matched swivelling chute (11), and swivelling chute is run through at the top of the rotating ring (10)
(11) it and extends to inside it, is fixedly connected to fixed plate (12) at the top of two sliding block (6) sides close to each other, it is described solid
The screw top of fixed board (12) is connected with clamping threaded rod (13), and fixed plate (12) are run through in the bottom end of clamping threaded rod (13)
And it extends to outside it, two sliding blocks (6) side close to each other and the position between mounting plate (3) and fixed plate (12)
It offers sliding slot (14), is fixedly connected between the top and bottom of sliding slot (14) inner wall by slide bar (15), the slide bar
(15) surface slidably connects movable block (16), side of the movable block (16) far from sliding block (6) through sliding slot (14) and
It extends to outside it, the movable block (16) is fixedly connected with movable plate (17), the movable plate far from the side of sliding block (6)
(17) position at top and corresponding clamping threaded rod (13) offers matched limiting slot (18), the clamping screw thread
The bottom end of bar (13) is through limiting slot (18) and extends to inside it.
2. a kind of photovoltaic board fixing structure according to claim 1, it is characterised in that: at the top of the bottom plate (1)
Four corners offer installing port (19).
3. a kind of photovoltaic board fixing structure according to claim 1, it is characterised in that: the mounting plate (3) is right
It answers and is connected with ball (20) in the groove at left and right sides of swivelling chute (11) inner wall, the ball (20) is close to rotating ring
(10) side contacts with each other with it.
4. a kind of photovoltaic board fixing structure according to claim 1, it is characterised in that: the table of the slide bar (15)
The face and bottom for being located at movable block (16) is socketed with spring (21), the bottom of the bottom end of the spring (21) and sliding slot (14) inner wall
It is fixedly connected, the top of the spring (21) is fixedly connected with the bottom of movable block (16).
5. a kind of photovoltaic board fixing structure according to claim 1, it is characterised in that: the movable plate (17)
Bottom is fixedly connected with cushion (22).
6. a kind of photovoltaic board fixing structure according to claim 1, it is characterised in that: the clamping threaded rod
(13) bottom end and the bottom of limiting slot (18) inner wall contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378575.1A CN109347421A (en) | 2018-11-19 | 2018-11-19 | A kind of photovoltaic board fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378575.1A CN109347421A (en) | 2018-11-19 | 2018-11-19 | A kind of photovoltaic board fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109347421A true CN109347421A (en) | 2019-02-15 |
Family
ID=65316112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811378575.1A Pending CN109347421A (en) | 2018-11-19 | 2018-11-19 | A kind of photovoltaic board fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109347421A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011608A (en) * | 2019-05-07 | 2019-07-12 | 天津市源兴伟业冷弯型钢有限公司 | A kind of adjustable photovoltaic bracket of rotation |
| CN110224663A (en) * | 2019-07-01 | 2019-09-10 | 江苏康博光伏电力科技有限公司 | A kind of fixed device of photovoltaic panel |
| CN111342752A (en) * | 2020-03-26 | 2020-06-26 | 诸暨咯星新能源科技有限公司 | Photovoltaic board support convenient to dismouting |
| CN112688623A (en) * | 2020-12-30 | 2021-04-20 | 王乐炯 | Manufacturing and assembling method of photovoltaic solar panel |
| CN112737484A (en) * | 2020-12-25 | 2021-04-30 | 国网河南省电力公司邓州市供电公司 | Photovoltaic panel mounting structure and photovoltaic power generation equipment |
| CN113131847A (en) * | 2021-04-26 | 2021-07-16 | 四川祥锋瑞建设工程有限公司 | Photovoltaic panel angle adjusting mechanism and adjusting method thereof |
| CN113291180A (en) * | 2021-06-11 | 2021-08-24 | 山东日照发电有限公司 | Photovoltaic power generation fills electric pile based on wisdom city |
| CN113949330A (en) * | 2021-10-18 | 2022-01-18 | 重庆聚光新材料科技股份有限公司 | Solar cell panel easy to assemble |
| CN114244254A (en) * | 2021-12-24 | 2022-03-25 | 江苏富多士太阳能科技有限公司 | Expandable connecting and mounting mechanism for roof photovoltaic panel |
| CN114337491A (en) * | 2021-12-29 | 2022-04-12 | 东营大海科林光电有限公司 | Fixed-angle-adjustable photovoltaic assembly and self-cleaning method thereof |
| CN114514919A (en) * | 2022-02-15 | 2022-05-20 | 刘小娟 | Bird repelling device for outdoor communication base station and bird repelling method thereof |
| CN116346005A (en) * | 2023-05-30 | 2023-06-27 | 山西一建集团有限公司 | Photovoltaic panel installation device |
-
2018
- 2018-11-19 CN CN201811378575.1A patent/CN109347421A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011608A (en) * | 2019-05-07 | 2019-07-12 | 天津市源兴伟业冷弯型钢有限公司 | A kind of adjustable photovoltaic bracket of rotation |
| CN110224663A (en) * | 2019-07-01 | 2019-09-10 | 江苏康博光伏电力科技有限公司 | A kind of fixed device of photovoltaic panel |
| CN111342752A (en) * | 2020-03-26 | 2020-06-26 | 诸暨咯星新能源科技有限公司 | Photovoltaic board support convenient to dismouting |
| CN112737484A (en) * | 2020-12-25 | 2021-04-30 | 国网河南省电力公司邓州市供电公司 | Photovoltaic panel mounting structure and photovoltaic power generation equipment |
| CN112688623A (en) * | 2020-12-30 | 2021-04-20 | 王乐炯 | Manufacturing and assembling method of photovoltaic solar panel |
| CN113131847A (en) * | 2021-04-26 | 2021-07-16 | 四川祥锋瑞建设工程有限公司 | Photovoltaic panel angle adjusting mechanism and adjusting method thereof |
| CN113291180A (en) * | 2021-06-11 | 2021-08-24 | 山东日照发电有限公司 | Photovoltaic power generation fills electric pile based on wisdom city |
| CN113949330A (en) * | 2021-10-18 | 2022-01-18 | 重庆聚光新材料科技股份有限公司 | Solar cell panel easy to assemble |
| CN114244254A (en) * | 2021-12-24 | 2022-03-25 | 江苏富多士太阳能科技有限公司 | Expandable connecting and mounting mechanism for roof photovoltaic panel |
| CN114244254B (en) * | 2021-12-24 | 2024-05-28 | 江苏富多士太阳能科技有限公司 | Expandable connection installation mechanism for roof photovoltaic panel |
| CN114337491A (en) * | 2021-12-29 | 2022-04-12 | 东营大海科林光电有限公司 | Fixed-angle-adjustable photovoltaic assembly and self-cleaning method thereof |
| CN114514919A (en) * | 2022-02-15 | 2022-05-20 | 刘小娟 | Bird repelling device for outdoor communication base station and bird repelling method thereof |
| CN116346005A (en) * | 2023-05-30 | 2023-06-27 | 山西一建集团有限公司 | Photovoltaic panel installation device |
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Application publication date: 20190215 |