CN112865693A - Long life's of bilayer structure aluminium system frame for solar panel - Google Patents

Long life's of bilayer structure aluminium system frame for solar panel Download PDF

Info

Publication number
CN112865693A
CN112865693A CN202110342333.2A CN202110342333A CN112865693A CN 112865693 A CN112865693 A CN 112865693A CN 202110342333 A CN202110342333 A CN 202110342333A CN 112865693 A CN112865693 A CN 112865693A
Authority
CN
China
Prior art keywords
frame
fixed
installing
positioning
mounting
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.)
Pending
Application number
CN202110342333.2A
Other languages
Chinese (zh)
Inventor
张仁宏
刘安琪
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.)
Gaoyou Ruijiu Metal Material Co ltd
Original Assignee
Gaoyou Ruijiu Metal Material 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 Gaoyou Ruijiu Metal Material Co ltd filed Critical Gaoyou Ruijiu Metal Material Co ltd
Priority to CN202110342333.2A priority Critical patent/CN112865693A/en
Publication of CN112865693A publication Critical patent/CN112865693A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00Structural details of PV modules other than those related to light conversion
    • H02S30/10Frame structures
    • 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 invention discloses an aluminum frame with a double-layer structure and long service life for a solar panel, which comprises a transverse installation frame, a positioning frame, a vertical installation frame and a fixing frame, wherein the bottom end of the transverse installation frame is fixedly provided with the positioning frame, the inside of the positioning frame is provided with a protection structure, the inside of the installation groove is provided with a positioning hole, the inside of the positioning hole is provided with a positioning pin, the top end of the positioning pin extends to the outside of the vertical installation frame, and the inside of the transverse installation frame is provided with a high-strength structure. According to the invention, the mounting structure is arranged, the vertical mounting frame is taken in sequence, the mounting groove is clamped outside the mounting block, the positioning pin is inserted into the positioning hole in sequence, the positioning pin is rotated and mounted inside the positioning hole, the butt joint of the horizontal mounting frame and the vertical mounting frame is completed, and at the moment, the horizontal mounting frame and the vertical mounting frame form a frame, so that the convenience in mounting is improved, and the dismounting and the maintenance are more convenient when a fault occurs.

Description

Long life's of bilayer structure aluminium system frame for solar panel
Technical Field
The invention relates to the technical field of solar power generation, in particular to an aluminum frame with a double-layer structure and a long service life for a solar power generation panel.
Background
The solar cell panel is a device which directly or indirectly converts solar radiation energy into electric energy through photoelectric effect or photochemical effect by absorbing sunlight, most of the solar cell panels are made of silicon, and an aluminum frame is required to be used for mounting the solar cell panel, so that the edge of the solar cell panel is protected and fixed, the solar cell panel is convenient to mount, and a special aluminum frame with a double-layer structure and long service life for the solar cell panel is used;
however, when the aluminum frame for the solar panel in the market is used, the installation is complex, and the disassembly and maintenance are inconvenient when a fault occurs, so that the aluminum frame for the solar panel with a double-layer structure and a long service life is developed to solve the problems.
Disclosure of Invention
The invention aims to provide an aluminum frame with a double-layer structure and a long service life for a solar panel, and aims to solve the problems that the installation is complex, and the disassembly and maintenance are inconvenient when a fault occurs in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an aluminum frame with a double-layer structure and long service life for a solar panel comprises a transverse mounting frame, a positioning frame, a vertical mounting frame and a fixing frame, wherein the positioning frame is fixed at the bottom end of the transverse mounting frame, and the interior of the positioning frame is provided with a protective structure, the two sides of the bottom end of the transverse mounting frame are provided with vertical mounting frames, a fixing frame is fixed on one side of the vertical mounting frame, mounting structures are respectively mounted on both sides of the horizontal mounting frame, the mounting structure comprises a positioning pin, a mounting groove, a mounting block and a positioning hole, the mounting groove is fixed on both sides of the transverse mounting frame, the positioning hole is arranged in the mounting groove, and the positioning holes are internally provided with positioning pins, the top ends of the positioning pins extend to the outer part of the vertical mounting frame, the inside top and the bottom of protective structure all are provided with the mounting groove, the inside of violently installing the frame is provided with high strength structure.
Preferably, protective structure includes sheet rubber, preformed groove, spring and protection pad, the sheet rubber is fixed in the inside top of locating frame, the inside bottom of locating frame all is provided with the preformed groove, and the inside of preformed groove is fixed with the spring, the inside of locating frame is provided with the protection pad, and the bottom of protection pad and the top fixed connection of spring.
Preferably, the preformed groove is provided with a plurality of, and a plurality of the preformed groove is in equidistant arrangement at the inside bottom of locating frame.
Preferably, the protection pad forms a telescopic structure through a spring, and the rubber sheet and the protection pad are arranged elastically.
Preferably, high strength structure includes first articulamentum, second articulamentum, reservation chamber, strengthening rib and brace rod, first articulamentum is fixed in the inside top of horizontal installing frame, the inside bottom mounting of horizontal installing frame has the second articulamentum, and the top of second articulamentum is provided with the reservation chamber, the inside in reservation chamber all is fixed with the strengthening rib, and the both sides of strengthening rib all are fixed with the brace rod.
Preferably, the reinforcing ribs are arranged in a plurality of the reserved cavities at equal intervals.
Preferably, the supporting ribs are provided with a plurality of supporting ribs which are obliquely arranged in the reserved cavity.
Preferably, the outer diameter of the positioning pin is smaller than the inner diameter of the positioning hole, and the positioning pin and the positioning hole are in threaded connection.
Preferably, the inner diameter of the mounting groove is larger than the outer diameter of the mounting block, and a clamping structure is formed between the mounting groove and the mounting block.
Compared with the prior art, the invention has the beneficial effects that: the aluminum frame with the double-layer structure and the long service life for the solar power generation panel not only improves the convenience in installation and is more convenient to disassemble and maintain when a fault occurs, but also is convenient to protect the edge of the solar power generation panel, reduces the damage degree of the solar power generation panel, enhances the structural strength inside the frame, improves the compression resistance of the frame and has longer service life;
(1) by arranging the mounting structure, the vertical mounting frame is taken in sequence, the mounting groove is clamped outside the mounting block, then the positioning pin is inserted into the positioning hole in sequence, the positioning pin is rotated and mounted inside the positioning hole, the butt joint of the horizontal mounting frame and the vertical mounting frame is completed, and the horizontal mounting frame and the vertical mounting frame form a frame at the moment, so that the convenience in mounting is improved, and the dismounting and the maintenance are more convenient when a fault occurs;
(2) the protective structure is arranged, the positioning frame and the fixing frame are clamped at the edge of the solar power generation panel, the solar power generation panel can be protected by the rubber sheet, the positioning frame and the fixing frame are prevented from directly contacting the solar power generation panel, and meanwhile, the spring has a telescopic function and can enable the protective pad to be tightly attached to the edge of the solar power generation panel and not to easily fall off;
(3) through being provided with high strength structure, be provided with two-layerly through first articulamentum and second articulamentum altogether, can improve the intensity of frame, all be fixed with strengthening rib and brace rod through the inside of reserving the chamber, strengthening rib and brace rod improve the inside stability of frame, have improved the crushing resistance of frame, and life is longer.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic illustration of an explosive structure according to the present invention;
FIG. 3 is a schematic bottom sectional view of the horizontal mounting frame of the present invention;
FIG. 4 is a schematic view of a front view partial cross-sectional structure of the high strength structure of the present invention;
FIG. 5 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;
fig. 6 is an enlarged partial sectional view of the structure of fig. 3B according to the present invention.
In the figure: 1. a horizontal mounting frame; 2. a positioning frame; 3. a protective structure; 301. a rubber sheet; 302. reserving a groove; 303. a spring; 304. a protective pad; 4. vertically installing a frame; 5. a high strength structure; 501. a first tie layer; 502. a second connection layer; 503. reserving a cavity; 504. reinforcing ribs; 505. supporting ribs; 6. a mounting structure; 601. positioning pins; 602. mounting grooves; 603. mounting blocks; 604. positioning holes; 7. a fixing frame is provided.
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, an embodiment of the present invention is shown: an aluminum frame with a double-layer structure and a long service life for a solar panel comprises a transverse installation frame 1, a positioning frame 2, a vertical installation frame 4 and a fixed frame 7, wherein the positioning frame 2 is fixed at the bottom end of the transverse installation frame 1, a protective structure 3 is installed inside the positioning frame 2, the vertical installation frames 4 are arranged on two sides of the bottom end of the transverse installation frame 1, the fixed frame 7 is fixed on one side of the vertical installation frame 4, the installation structures 6 are installed on two sides of the transverse installation frame 1, installation grooves 602 are formed in the top end and the bottom end inside the protective structure 3, and a high-strength structure 5 is arranged inside the transverse installation frame 1;
the mounting structure 6 comprises a positioning pin 601, a mounting groove 602, a mounting block 603 and a positioning hole 604, the mounting groove 602 is fixed on two sides of the horizontal mounting frame 1, the positioning hole 604 is arranged inside the mounting groove 602, the positioning pin 601 is mounted inside the positioning hole 604, the top end of the positioning pin 601 extends to the outside of the vertical mounting frame 4, the outer diameter of the positioning pin 601 is smaller than the inner diameter of the positioning hole 604, the positioning pin 601 and the positioning hole 604 form threaded connection, the inner diameter of the mounting groove 602 is larger than the outer diameter of the mounting block 603, and a clamping structure is formed between the mounting groove 602 and the mounting;
specifically, as shown in fig. 1, 2 and 5, when the mechanism is used, firstly, during installation, the vertical installation frame 4 is taken in sequence, the installation groove 602 is clamped outside the installation block 603, then the positioning pin 601 is inserted into the positioning hole 604 in sequence, the positioning pin 601 is rotated, the positioning pin 601 rotates and is installed inside the positioning hole 604, the butt joint of the horizontal installation frame 1 and the vertical installation frame 4 is completed, and at the moment, the horizontal installation frame 1 and the vertical installation frame 4 form a frame, so that the convenience during installation is improved, and the disassembly and maintenance are convenient when a fault occurs;
the protective structure 3 comprises a rubber sheet 301, a preformed groove 302, a spring 303 and a protective pad 304, the rubber sheet 301 is fixed at the top end inside the positioning frame 2, the preformed groove 302 is arranged at the bottom end inside the positioning frame 2, the spring 303 is fixed inside the preformed groove 302, the protective pad 304 is arranged inside the positioning frame 2, the bottom end of the protective pad 304 is fixedly connected with the top end of the spring 303, the preformed groove 302 is provided with a plurality of preformed grooves 302, the plurality of preformed grooves 302 are arranged at equal intervals at the bottom end inside the positioning frame 2, the protective pad 304 forms a telescopic structure through the spring 303, and the rubber sheet 301 and the protective pad 304 are arranged elastically;
specifically, as shown in fig. 1, 3 and 6, when the mechanism is used, firstly, the positioning frame 2 and the fixing frame 7 are clamped at the edge of the solar power generation panel, at this time, the rubber sheet 301 can protect the solar power generation panel, the positioning frame 2 and the fixing frame 7 are prevented from directly contacting with the solar power generation panel, and meanwhile, the spring 303 has a telescopic function, so that the protection pad 304 can be tightly attached to the edge of the solar power generation panel and is not easy to fall off, and the damage degree of the solar power generation panel is reduced;
the high-strength structure 5 comprises a first connecting layer 501, a second connecting layer 502, a reserved cavity 503, reinforcing ribs 504 and supporting ribs 505, wherein the first connecting layer 501 is fixed at the top end inside the transverse mounting frame 1, the second connecting layer 502 is fixed at the bottom end inside the transverse mounting frame 1, the reserved cavity 503 is arranged at the top end of the second connecting layer 502, the reinforcing ribs 504 are fixed inside the reserved cavity 503, the supporting ribs 505 are fixed on two sides of the reinforcing ribs 504, the reinforcing ribs 504 are provided with a plurality of reinforcing ribs, the plurality of reinforcing ribs 504 are arranged in the reserved cavity 503 at equal intervals, the number of the supporting ribs 505 is the same, and the plurality of supporting ribs 505 are obliquely arranged inside the reserved cavity 503;
specifically, as shown in fig. 1 and 4, when the mechanism is used, firstly, two layers are arranged on the first connecting layer 501 and the second connecting layer 502, so that the strength of the frame can be improved, the reinforcing ribs 504 and the supporting ribs 505 are fixed inside the reserved cavity 503, the reinforcing ribs 504 and the supporting ribs 505 can enhance the structural strength inside the frame, the stability inside the frame is improved, the compression resistance of the frame is improved, and the service life is long.
The working principle is as follows: when the solar power generation panel protection device is used, firstly, the positioning frame 2 and the fixing frame 7 are clamped at the edge of the solar power generation panel, at the moment, the rubber sheet 301 can protect the solar power generation panel, the positioning frame 2 and the fixing frame 7 are prevented from directly contacting with the solar power generation panel, meanwhile, the spring 303 has a telescopic function, and the spring 303 can enable the protection pad 304 to be tightly attached to the edge of the solar power generation panel and not to easily fall off;
secondly, during installation, the vertical installation frame 4 is taken in sequence, the installation groove 602 is clamped outside the installation block 603, then the positioning pin 601 is inserted into the positioning hole 604 in sequence, the positioning pin 601 is rotated and installed inside the positioning hole 604, the butt joint of the horizontal installation frame 1 and the vertical installation frame 4 is completed, and at the moment, the horizontal installation frame 1 and the vertical installation frame 4 form a frame to be wrapped at the edge of the solar power generation panel;
finally, two layers are arranged on the first connecting layer 501 and the second connecting layer 502, so that the strength of the frame can be improved, the reinforcing ribs 504 and the supporting ribs 505 are fixed inside the reserved cavities 503, the structural strength inside the frame can be enhanced by the reinforcing ribs 504 and the supporting ribs 505, the stability inside the frame is improved, and the use work of the aluminum frame for the solar power generation panel is finally completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a long life's of bilayer structure aluminium system frame for solar panel, includes horizontal installing frame (1), locating frame (2), erects installing frame (4) and fixed frame (7), its characterized in that: the bottom end of the horizontal installing frame (1) is fixed with a locating frame (2), a protective structure (3) is installed inside the locating frame (2), vertical installing frames (4) are arranged on two sides of the bottom end of the horizontal installing frame (1), a fixed frame (7) is fixed on one side of each vertical installing frame (4), installing structures (6) are installed on two sides of the horizontal installing frame (1), each installing structure (6) comprises a locating pin (601), an installing groove (602), an installing block (603) and a locating hole (604), the installing grooves (602) are fixed on two sides of the horizontal installing frame (1), locating holes (604) are formed in the installing grooves (602), locating pins (601) are installed inside the locating holes (604), the top ends of the locating pins (601) extend to the outside of the vertical installing frame (4), installing grooves (602) are formed in the top end and the bottom end of the protective structure (3), the interior of the transverse installation frame (1) is provided with a high-strength structure (5).
2. The aluminum frame with double-layer structure and long service life for the solar power generation panel as claimed in claim 1, wherein: protective structure (3) include sheet rubber (301), reserve tank (302), spring (303) and protection pad (304), sheet rubber (301) are fixed in the inside top of posting (2), the inside bottom of posting (2) all is provided with reserve tank (302), and the inside of reserve tank (302) is fixed with spring (303), the inside of posting (2) is provided with protection pad (304), and the top fixed connection of the bottom of protection pad (304) and spring (303).
3. The aluminum frame of claim 2, which has a double-layer structure and a long service life and is used for solar panels, is characterized in that: the plurality of preformed grooves (302) are arranged at equal intervals at the bottom ends of the plurality of preformed grooves (302) inside the positioning frame (2).
4. The aluminum frame of claim 2, which has a double-layer structure and a long service life and is used for solar panels, is characterized in that: the protection pad (304) forms a telescopic structure through a spring (303), and the rubber sheet (301) and the protection pad (304) are arranged elastically.
5. The aluminum frame with double-layer structure and long service life for the solar power generation panel as claimed in claim 1, wherein: high strength structure (5) are including first articulamentum (501), second articulamentum (502), reserve chamber (503), strengthening rib (504) and brace rod (505), first articulamentum (501) are fixed in the inside top of horizontal installing frame (1), the inside bottom mounting of horizontal installing frame (1) has second articulamentum (502), and the top of second articulamentum (502) is provided with and reserves chamber (503), the inside of reserving chamber (503) all is fixed with strengthening rib (504), and the both sides of strengthening rib (504) all are fixed with brace rod (505).
6. The aluminum frame of claim 5, wherein the aluminum frame has a double-layer structure and a long service life, and is characterized in that: the reinforcing ribs (504) are arranged in a plurality, and the reinforcing ribs (504) are arranged in the reserved cavities (503) at equal intervals.
7. The aluminum frame of claim 5, wherein the aluminum frame has a double-layer structure and a long service life, and is characterized in that: the number of the support ribs (505) is as large as several, and the support ribs (505) are obliquely arranged in the reserved cavity (503).
8. The aluminum frame with double-layer structure and long service life for the solar power generation panel as claimed in claim 1, wherein: the outer diameter of the positioning pin (601) is smaller than the inner diameter of the positioning hole (604), and the positioning pin (601) is in threaded connection with the positioning hole (604).
9. The aluminum frame with double-layer structure and long service life for the solar power generation panel as claimed in claim 1, wherein: the inner diameter of the mounting groove (602) is larger than the outer diameter of the mounting block (603), and a clamping structure is formed between the mounting groove (602) and the mounting block (603).
CN202110342333.2A 2021-03-30 2021-03-30 Long life's of bilayer structure aluminium system frame for solar panel Pending CN112865693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110342333.2A CN112865693A (en) 2021-03-30 2021-03-30 Long life's of bilayer structure aluminium system frame for solar panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110342333.2A CN112865693A (en) 2021-03-30 2021-03-30 Long life's of bilayer structure aluminium system frame for solar panel

Publications (1)

Publication Number Publication Date
CN112865693A true CN112865693A (en) 2021-05-28

Family

ID=75993230

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110342333.2A Pending CN112865693A (en) 2021-03-30 2021-03-30 Long life's of bilayer structure aluminium system frame for solar panel

Country Status (1)

Country Link
CN (1) CN112865693A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080315061A1 (en) * 2007-06-14 2008-12-25 Jan Mirko Fath Fastening device for flat components, especially solar modules, to be arranged on a framework
CN106788143A (en) * 2016-12-19 2017-05-31 张家港长丰能源有限公司 A kind of antidetonation solar battery sheet component
CN106992742A (en) * 2017-05-03 2017-07-28 芜湖天火新能源科技有限公司 A kind of damping device of solar battery group
CN207339778U (en) * 2017-11-07 2018-05-08 南通鹏能实业有限公司 A kind of photovoltaic panel equipped with reinforcing rib
CN111628711A (en) * 2020-06-05 2020-09-04 南京中清华峰智能科技有限公司 Outer packet mode sealing protection mechanism of photovoltaic power generation solar panel outer edge
CN211744416U (en) * 2020-04-29 2020-10-23 池州市安安精工铝业有限公司 High-strength solar photovoltaic frame section bar

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080315061A1 (en) * 2007-06-14 2008-12-25 Jan Mirko Fath Fastening device for flat components, especially solar modules, to be arranged on a framework
CN106788143A (en) * 2016-12-19 2017-05-31 张家港长丰能源有限公司 A kind of antidetonation solar battery sheet component
CN106992742A (en) * 2017-05-03 2017-07-28 芜湖天火新能源科技有限公司 A kind of damping device of solar battery group
CN207339778U (en) * 2017-11-07 2018-05-08 南通鹏能实业有限公司 A kind of photovoltaic panel equipped with reinforcing rib
CN211744416U (en) * 2020-04-29 2020-10-23 池州市安安精工铝业有限公司 High-strength solar photovoltaic frame section bar
CN111628711A (en) * 2020-06-05 2020-09-04 南京中清华峰智能科技有限公司 Outer packet mode sealing protection mechanism of photovoltaic power generation solar panel outer edge

Similar Documents

Publication Publication Date Title
CN214090598U (en) Solar photovoltaic glass with anti-seismic function
CN112865693A (en) Long life's of bilayer structure aluminium system frame for solar panel
CN206870870U (en) A kind of fixed support of individual layer arrangement ultracapacitor
CN111786617A (en) Steel-aluminum combined support for solar photovoltaic module
CN205259691U (en) Take relief of disaster tent of insulating layer
CN211089570U (en) Aluminum frame structure for fixing photovoltaic module
CN217294450U (en) Rear bumper of electric vehicle
CN207994987U (en) Solar energy photovoltaic holder
CN106099006A (en) Electric motor car aluminum alloy battery
CN215897661U (en) Aluminum frame with heat conduction structure for solar panel
CN210398717U (en) Wind-resistant enhanced solar LED street lamp
CN215010150U (en) Aluminum frame with reinforcing structure for solar panel
CN215948604U (en) Energy-concerving and environment-protective type building curtain of concatenation formula
CN218842917U (en) Highway maintenance construction vehicle warning device
CN205081736U (en) On -vehicle photovoltaic system support
CN219535952U (en) Waterproof guide rail bracket of aluminum alloy
CN210724633U (en) Photovoltaic power generation subassembly that lodges
CN218876948U (en) Fill electric pile installation strutting arrangement
CN212378272U (en) Protective bracket for solar panel
CN214900718U (en) Strong wind resistant solar lithium battery panel
CN220842238U (en) Anti-toppling protection structure of integrated direct-current charging pile
CN219106334U (en) Battery cover plate assembly
CN211182224U (en) Novel battery plate structure for photovoltaic module
CN220014129U (en) Energy-saving building curtain wall
CN210217355U (en) Building construction safety 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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210528