CN111900917A - Solar photovoltaic panel capable of improving light conversion rate - Google Patents

Solar photovoltaic panel capable of improving light conversion rate Download PDF

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Publication number
CN111900917A
CN111900917A CN202010881871.4A CN202010881871A CN111900917A CN 111900917 A CN111900917 A CN 111900917A CN 202010881871 A CN202010881871 A CN 202010881871A CN 111900917 A CN111900917 A CN 111900917A
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CN
China
Prior art keywords
photovoltaic panel
solar
fixed
power generation
fixing
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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Withdrawn
Application number
CN202010881871.4A
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Chinese (zh)
Inventor
谢光华
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Shanghai Jingkai New Energy Technology Development Co ltd
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Shanghai Jingkai New Energy Technology Development Co ltd
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Publication date
Application filed by Shanghai Jingkai New Energy Technology Development Co ltd filed Critical Shanghai Jingkai New Energy Technology Development Co ltd
Priority to CN202010881871.4A priority Critical patent/CN111900917A/en
Publication of CN111900917A publication Critical patent/CN111900917A/en
Withdrawn legal-status Critical Current

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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/13—Profile arrangements, e.g. trusses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/70—Arrangement of stationary mountings or supports for solar heat collector modules with means for adjusting the final position or orientation of supporting elements in relation to each other or to a mounting surface; with means for compensating mounting tolerances
    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/20—Optical components
    • H02S40/22—Light-reflecting or light-concentrating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
    • F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
    • F24S2023/87—Reflectors layout
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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
    • Y02E10/52—PV systems with concentrators

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention provides a solar photovoltaic panel capable of improving light conversion rate, and relates to the technical field of solar photovoltaic power generation. The solar photovoltaic panel capable of improving the light conversion rate comprises a first fixing plate and a second fixing plate, wherein a first supporting plate and a second supporting plate corresponding to a first fixing support and a second fixing support are fixedly connected to two sides of the centers of the inner walls of the first fixing plate and the second fixing plate respectively; the outer sides of the fixed support frames are provided with light reflecting plates; the top of the photovoltaic panel support frames is provided with a solar power generation photovoltaic panel; and an electric energy converter corresponding to the electric box is installed at the bottom of the solar power generation photovoltaic panel. Through the simple installation fixed knot structure of design, both made things convenient for solar energy power generation photovoltaic board's quick installation fixed, simultaneously through the reflector panel corresponding with it of a side-mounting at solar energy power generation photovoltaic board, can increase the sunlight to the refraction of solar energy power generation photovoltaic board, improved the generating efficiency of solar energy photovoltaic board, be worth wideling popularize.

Description

Solar photovoltaic panel capable of improving light conversion rate
Technical Field
The invention relates to the technical field of solar photovoltaic power generation, in particular to a solar photovoltaic panel capable of improving light conversion rate.
Background
Solar photovoltaic systems, also called photovoltaic, photovoltaic for short, refer to facilities for converting solar energy into direct current electrical energy by using photovoltaic effect of photovoltaic semiconductor materials, the core of the photovoltaic facilities is a solar panel, and at present, the semiconductor materials for generating electricity mainly include: since the advent of solar cells, the use of materials, the continuous progress in technology, and the mature development of the manufacturing industry, monocrystalline silicon, polycrystalline silicon, amorphous silicon, cadmium telluride, etc., have driven the price of photovoltaic systems to become cheaper, and not only have the same importance, many countries have invested in a great deal of research and development to advance the conversion efficiency of photovoltaics, and have given the financial subsidies of manufacturing enterprises, and more importantly, the wide application of photovoltaics in various countries has been greatly promoted by policies such as the policy of subsidizing the price of on-grid electricity and the proportion standard of renewable energy, and the photovoltaic panel assembly is a power generation device which can generate direct current upon exposure to sunlight, and is composed of thin solid photovoltaic cells almost entirely made of semiconductor materials (e.g., silicon), and can be operated for a long time without causing any loss because of the lack of active parts, and a simple photovoltaic cell can provide energy for watches and computers, more complex photovoltaic systems can provide lighting for houses and power to the grid, and photovoltaic panel assemblies can be made in different shapes, and the assemblies can be connected to produce more power.
Along with the continuous development of the solar photovoltaic power generation technology, more and more enterprises and families have built the solar photovoltaic power generation panel, but the structural design of the solar photovoltaic power generation panel at present has a great defect, the power generation efficiency is lower in the use process, the firmness of the whole structure is required to be improved, the light conversion rate is low in the actual use power generation process, the power generation effect is general, and therefore a new solar photovoltaic panel capable of improving the light conversion rate is developed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a solar photovoltaic panel capable of improving the light conversion rate, which solves the problems that the structural design of the existing solar photovoltaic panel has a large defect, the power generation efficiency is low in the use process, the firmness of the whole structure needs to be improved, the light conversion rate is low in the actual power generation process, and the power generation effect is general.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a solar photovoltaic panel capable of improving light conversion rate comprises a first fixing plate and a second fixing plate, wherein the front end and the rear end of the two ends of the first fixing plate and the second fixing plate are respectively and fixedly connected with a first fixing support and a second fixing support, and the two sides of the center of the inner wall of the first fixing plate and the center of the inner wall of the second fixing plate are respectively and fixedly connected with a first supporting plate and a second supporting plate which correspond to the first fixing support and the second fixing support;
a plurality of fixed support frames are fixedly connected to the outer side between the two first support plates, and light reflecting plates are mounted at the tops of the fixed support frames;
the outer sides of the two second supporting plates are fixedly connected with a plurality of photovoltaic panel supporting frames, and solar power generation photovoltaic panels are installed on the outer sides of the photovoltaic panel supporting frames;
the both sides at first fixed plate and second fixed plate top are equallyd divide respectively a set of first bracing piece of fixedly connected with and a set of second bracing piece, and the electronic box is installed to the front end of one of them set of second bracing piece, the electric energy converter corresponding with the electronic box is installed to the bottom of solar energy power generation photovoltaic board.
Preferably, two first fixed bolster and two the second fixed bolster all is the vertical structure setting with first fixed plate and second fixed plate, and two the one end that first fixed plate and second fixed plate were kept away from to first backup pad and two second backup pads is respectively with the top fixed connection of two first fixed bolsters and two second fixed bolsters.
Preferably, the two first fixing supports and the two second fixing supports are fixedly connected with the first fixing plate and the second fixing plate, the two first supporting plates and the two second supporting plates and fixedly connected with the first fixing plate and the second fixing plate through a plurality of fixing bolts.
Preferably, the solar power generation photovoltaic panel and the reflector panel are both arranged in an inclined structure.
Preferably, the outer sides of the two fixing support frames are fixedly connected with a plurality of first fixing buckles corresponding to the light reflecting plate.
Preferably, the outer sides of the two photovoltaic panel support frames are fixedly connected with a plurality of photovoltaic panel fixing buckles corresponding to the solar power generation photovoltaic panels.
Preferably, it is two sets of first bracing piece and second bracing piece all are parallel structure setting, and two sets of the top of first bracing piece and second bracing piece all is through fixing bolt respectively with two first backup pads and two second backup pads fixed connection.
Preferably, the electric energy converter is electrically connected with the electric box through a connecting wire.
The working principle is as follows: the solar photovoltaic panel capable of improving the light conversion rate comprises a solar power generation photovoltaic panel 8 and a reflecting panel 7 which are arranged in an inclined structure, wherein the solar power generation photovoltaic panel 8 and the reflecting panel 7 which are arranged in the inclined structure are arranged, the reflecting panel 7 is arranged on one side of the solar power generation photovoltaic panel 8, the refraction of sunlight can be increased through the reflecting panel 7, so that the solar power generation photovoltaic panel 8 can absorb more light energy to generate electricity, and the aim of improving the light conversion rate is fulfilled, the solar power generation photovoltaic panel 8 and the reflecting panel 7 which are arranged in the inclined structure can freely adjust the angle according to the change of the local solar altitude angle, so that the solar power generation photovoltaic panel 8 can obtain more light energy, and the photoelectric conversion efficiency is improved, the electric energy converter 15 is electrically connected with an electric box 16 through a connecting lead 17, and the solar power generation photovoltaic panel 8 can automatically convert the light energy into electric energy after absorbing the light energy, and collects the electric energy through the electric energy converter 15, the connecting lead 17 and the electric box 16 for the subsequent power supply.
(III) advantageous effects
The invention provides a solar photovoltaic panel capable of improving light conversion rate. The method has the following beneficial effects:
1. this can improve solar photovoltaic board of light conversion rate through the quick mounting structure of design, the whole fast assembly of power generation facility of both having been convenient for, also can carry out the installation of different modes and the adjustment of angle, convenient and fast to the reflector panel according to actual need simultaneously.
2. This can improve solar photovoltaic board of light conversion rate, through the simple installation fixed knot structure of design, both made things convenient for quick installation of solar energy power generation photovoltaic board fixed, simultaneously through the reflector panel corresponding with it of a side-mounting at solar energy power generation photovoltaic board, can increase the refraction of sunlight to solar energy power generation photovoltaic board to improve the generating efficiency of solar photovoltaic board greatly, be worth wideling popularize.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a side view structural diagram of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a schematic view of an installation structure of a second embodiment of the present invention;
fig. 5 is a schematic view of an installation structure of the third embodiment of the present invention.
Wherein, 1, a first fixing plate; 2. a second fixing plate; 3. a first fixed bracket; 4. a second fixed bracket; 5. fixing a support frame; 6. a photovoltaic panel support frame; 7. a reflector; 8. a solar power generation photovoltaic panel; 9. a first fixing buckle; 10. the photovoltaic panel is fixed with the buckle; 11. a first support plate; 12. a second support plate; 13. a first support bar; 14. a second support bar; 15. an electric energy converter; 16. an electric box; 17. and connecting the lead.
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.
The first embodiment is as follows:
as shown in fig. 1 to 3, an embodiment of the present invention provides a solar photovoltaic panel capable of improving a light conversion rate, including a first fixing plate 1 and a second fixing plate 2, wherein front and rear ends of two ends of the first fixing plate 1 and the second fixing plate 2 are respectively and fixedly connected with a first fixing bracket 3 and a second fixing bracket 4, and two sides of centers of inner walls of the first fixing plate 1 and the second fixing plate 2 are respectively and fixedly connected with a first supporting plate 11 and a second supporting plate 12 corresponding to the first fixing bracket 3 and the second fixing bracket 4;
a plurality of fixed support frames 5 are fixedly connected to the top between the two first support plates 11, a light reflecting plate 7 is arranged on the outer side of each fixed support frame 5, and the light reflecting plate 7 can be made of a plurality of materials such as a glass plate, a synthetic plastic plate and a metal plate;
the outer sides of the two second supporting plates 12 are fixedly connected with a plurality of photovoltaic panel supporting frames 6, the outer sides of the photovoltaic panel supporting frames 6 are provided with solar power generation photovoltaic panels 8, and the solar power generation photovoltaic panels 8 mainly absorb solar light energy to generate power;
a group of first supporting rods 13 and a group of second supporting rods 14 are respectively fixedly connected to two sides of the top of the first fixing plate 1 and the second fixing plate 2, wherein an electric box 16 is installed at the front end of the group of second supporting rods 14, and an electric energy converter 15 corresponding to the electric box 16 is installed at the bottom of the solar power generation photovoltaic panel 8.
Two first fixed bolsters 3 and two second fixed bolsters 4 all are the vertical structure setting with first fixed plate 1 and second fixed plate 2, and two first backup pads 11 and two second backup pads 12 keep away from the one end of first fixed plate 1 and second fixed plate 2 respectively with the top fixed connection of two first fixed bolsters 3 and two second fixed bolsters 4.
Two first fixed bolster 3 and two second fixed bolsters 4 and first fixed plate 1 and second fixed plate 2, two first backup pad 11 and two second backup pad 12 fixed connection all are through a plurality of fixing bolt fixed connection with first fixed plate 1 and second fixed plate 2, make its quick dismantlement and installation of being convenient for through a plurality of set screw fixed connection.
Solar energy power generation photovoltaic board 8 all is the slope structure setting with reflector panel 7, be the solar energy power generation photovoltaic board 8 and the reflector panel 7 that the slope structure set up, one side installation reflector panel 7 through at solar energy power generation photovoltaic board 8, can increase the refraction of sunlight through reflector panel 7, thereby make solar energy power generation photovoltaic board 8 can absorb more light energy and generate electricity, thereby play the purpose that improves light conversion rate, and the solar energy power generation photovoltaic board 8 and the reflector panel 7 that are the slope structure setting can carry out the angular adjustment of freedom according to the change at local solar altitude angle, thereby make it can obtain more light energy, thereby improve its photoelectric conversion efficiency.
Wherein the equal fixedly connected with in the outside of two fixed stay frames 5 is a plurality of first fixed buckles 9 corresponding with reflector panel 7, and first fixed buckle 9 mainly used carries on spacingly and fixed to reflector panel 7, prevents that it from taking place the skew at the in-process position of work.
Wherein the equal fixedly connected with in the outside of two photovoltaic board support frames 6 a plurality of photovoltaic board fixed buckles 10 corresponding with solar power generation photovoltaic board 8, photovoltaic board fixed buckle 10 mainly used carry on spacingly and fixed to solar power generation photovoltaic board 8, prevent that it from taking place the skew at the in-process position of work.
Two sets of first bracing pieces 13 and second bracing piece 14 all are the parallel structure setting, and the top of two sets of first bracing pieces 13 and second bracing piece 14 all through fixing bolt respectively with two first backup pads 11 and two second backup pads 12 fixed connection, two sets of first bracing pieces 13 and the second bracing piece 14 that are the parallel structure setting can play the effect of consolidating the support.
The electric energy converter 15 is electrically connected with the electric box 16 through the connecting wire 17, the solar power generation photovoltaic panel 8 can automatically convert the light energy into the electric energy after absorbing the light energy, and the electric energy is collected through the electric energy converter 15, the connecting wire 17 and the electric box 16 so as to be used for subsequent power supply.
Example two:
as shown in fig. 4, the difference between the first embodiment and the second embodiment is that, under the condition of sufficient installation space, a larger distance can be left between the multiple groups of solar photovoltaic panels 8 and the reflector 7, so that the improvement of reflection and power generation efficiency is not affected, and meanwhile, a certain group of solar photovoltaic panels 8 is damaged, which is also convenient for the maintenance personnel to maintain.
Example three:
as shown in fig. 5, the difference between this embodiment and the first and second embodiments is that when the double-sided homoenergetic power generation solar photovoltaic panel 8 is laid, the light reflection plate 7 is designed as shown in fig. 5, so that light can be provided for the reverse side of the solar photovoltaic panel 8, the effective utilization of light energy is greatly improved, and the photoelectric conversion rate is greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these 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 (8)

1. The utility model provides a can improve solar photovoltaic board of light conversion rate, includes first fixed plate (1) and second fixed plate (2), its characterized in that: the front end and the rear end of the two ends of the first fixing plate (1) and the second fixing plate (2) are respectively and fixedly connected with a first fixing support (3) and a second fixing support (4), and the two sides of the centers of the inner walls of the first fixing plate (1) and the second fixing plate (2) are respectively and fixedly connected with a first supporting plate (11) and a second supporting plate (12) corresponding to the first fixing support (3) and the second fixing support (4);
a plurality of fixed support frames (5) are fixedly connected to the top between the two first support plates (11), and light reflecting plates (7) are installed on the outer sides of the fixed support frames (5);
the outer sides of the two second supporting plates (12) are fixedly connected with a plurality of photovoltaic panel supporting frames (6), and solar power generation photovoltaic panels (8) are installed on the outer sides of the photovoltaic panel supporting frames (6);
the both sides at first fixed plate (1) and second fixed plate (2) top are equallyd divide respectively a set of first bracing piece (13) of fixedly connected with and a set of second bracing piece (14), and electronic box (16) are installed to the front end of a set of second bracing piece (14), electric energy converter (15) corresponding with electronic box (16) are installed to the bottom of solar energy power generation photovoltaic board (8).
2. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: two first fixed bolster (3) and two second fixed bolster (4) all are the vertical structure setting with first fixed plate (1) and second fixed plate (2), and two the one end that first fixed plate (1) and second fixed plate (2) were kept away from in first backup pad (11) and two second backup pads (12) respectively with the top fixed connection of two first fixed bolsters (3) and two second fixed bolsters (4).
3. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: two first fixed bolster (3) and two second fixed bolster (4) and first fixed plate (1) and second fixed plate (2), two first backup pads (11) and two second backup pads (12) fixed connection all are through a plurality of fixing bolt fixed connection with first fixed plate (1) and second fixed plate (2).
4. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: the solar power generation photovoltaic panel (8) and the light reflecting panel (7) are both arranged in an inclined structure.
5. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: the outer sides of the two fixing support frames (5) are fixedly connected with a plurality of first fixing buckles (9) corresponding to the light reflecting plate (7).
6. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: the outer sides of the two photovoltaic panel support frames (6) are fixedly connected with a plurality of photovoltaic panel fixing buckles (10) corresponding to the solar power generation photovoltaic panels (8).
7. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: two sets of first bracing piece (13) and second bracing piece (14) all are parallel structure and set up, and two sets of the top of first bracing piece (13) and second bracing piece (14) all is through fixing bolt respectively with two first backup pads (11) and two second backup pads (12) fixed connection.
8. The solar photovoltaic panel capable of improving light conversion rate of claim 1, wherein: the electric energy converter (15) is electrically connected with the electric box (16) through a connecting lead (17).
CN202010881871.4A 2020-08-24 2020-08-24 Solar photovoltaic panel capable of improving light conversion rate Withdrawn CN111900917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010881871.4A CN111900917A (en) 2020-08-24 2020-08-24 Solar photovoltaic panel capable of improving light conversion rate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010881871.4A CN111900917A (en) 2020-08-24 2020-08-24 Solar photovoltaic panel capable of improving light conversion rate

Publications (1)

Publication Number Publication Date
CN111900917A true CN111900917A (en) 2020-11-06

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ID=73225752

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010881871.4A Withdrawn CN111900917A (en) 2020-08-24 2020-08-24 Solar photovoltaic panel capable of improving light conversion rate

Country Status (1)

Country Link
CN (1) CN111900917A (en)

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