CN107302343A - Photovoltaic power generation plate - Google Patents

Photovoltaic power generation plate Download PDF

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Publication number
CN107302343A
CN107302343A CN201710481681.1A CN201710481681A CN107302343A CN 107302343 A CN107302343 A CN 107302343A CN 201710481681 A CN201710481681 A CN 201710481681A CN 107302343 A CN107302343 A CN 107302343A
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China
Prior art keywords
power generation
power supply
voltage
integrated battery
battery chip
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CN201710481681.1A
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Chinese (zh)
Inventor
叶其峰
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Guangzhou Rui Feng Power Tech Corp Inc
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Guangzhou Rui Feng Power Tech Corp Inc
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Priority to CN201710481681.1A priority Critical patent/CN107302343A/en
Publication of CN107302343A publication Critical patent/CN107302343A/en
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    • 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
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/38Energy storage means, e.g. batteries, structurally associated with PV modules
    • 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
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • 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
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • 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
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/90Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers
    • H10F19/902Structures for connecting between photovoltaic cells, e.g. interconnections or insulating spacers for series or parallel connection of photovoltaic cells
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00Constructional details of devices covered by this subclass
    • H10F77/30Coatings
    • H10F77/306Coatings for devices having potential barriers
    • H10F77/311Coatings for devices having potential barriers for photovoltaic cells
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • 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
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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  • Road Signs Or Road Markings (AREA)
  • Photovoltaic Devices (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

本发明公开了光伏发电板,包含光热转换涂层、集成电池芯片、汇流条、栅线电极和接线盒,所述的光热转换涂层设在集成电池芯片上,所述的集成电池芯片设有多个,并通过汇流条串联连接,所述的汇流条连接栅线电极和接线盒,其特征在于:所述的集成电池芯片设在玻璃板上,所述的玻璃板设在底板上,所述的底板的背部设有接线盒,所述的接线盒内部由供电网络、过电压保护电路、供电开关电路、电压调节电路和自动跟踪控制电路构成。本发明的结构简单,通过本发明提供的发电板,可以有效提高光能发电效率,除了具有现有太阳能板的功能以外,还可以在阴天等光照强度较弱的天气中正常运作,保证供电稳定。

The invention discloses a photovoltaic power generation panel, comprising a photothermal conversion coating, an integrated battery chip, a bus bar, a grid wire electrode and a junction box. The photothermal conversion coating is arranged on the integrated battery chip, and the integrated battery chip There are a plurality of them, and they are connected in series by bus bars, and the bus bars are connected to the grid electrode and the junction box, and it is characterized in that: the integrated battery chip is set on the glass plate, and the glass plate is set on the bottom plate , the back of the base plate is provided with a junction box, and the interior of the junction box is composed of a power supply network, an overvoltage protection circuit, a power supply switch circuit, a voltage regulation circuit and an automatic tracking control circuit. The structure of the invention is simple, and the power generation panel provided by the invention can effectively improve the efficiency of solar power generation. In addition to the function of the existing solar panel, it can also operate normally in cloudy days and other weather with weak light intensity, ensuring power supply Stablize.

Description

光伏发电板Photovoltaic panels

技术领域technical field

本发明涉及发电板,尤其是光伏发电板,属于技术领域。The invention relates to a power generation panel, especially a photovoltaic power generation panel, and belongs to the technical field.

背景技术Background technique

无论从世界还是从中国来看,常规能源都是很有限的。中国的一次能源储量远远低于世界的平均水平,大约只有世界总储量的10%。太阳能是人类取之不尽用之不竭的可再生能源,具有充分的清洁性、绝对的安全性、相对的广泛性、确实的长寿命和免维护性、资源的充足性及潜在的经济性等优点,在长期的能源战略中具有重要地位。 但是,目前针对太阳能开发的太阳能板,普遍存在以下几个缺点:1、发电效率不高;2、只能在光照强度强的时候正常供电,受光照强度影响大;3、供电系统不稳定等因素。No matter from the perspective of the world or China, conventional energy is very limited. China's primary energy reserves are far below the world's average level, only about 10% of the world's total reserves. Solar energy is an inexhaustible renewable energy for human beings. It has sufficient cleanliness, absolute safety, relative extensiveness, long life and maintenance-free, resource adequacy and potential economy. It has an important position in the long-term energy strategy. However, the solar panels currently developed for solar energy generally have the following disadvantages: 1. The power generation efficiency is not high; 2. It can only supply power normally when the light intensity is strong, which is greatly affected by the light intensity; 3. The power supply system is unstable, etc. factor.

发明内容Contents of the invention

本发明的目的是为了解决上述现有技术的缺陷,提供能够提高发电效率的、供电稳定的光伏发电板。The object of the present invention is to solve the above-mentioned defects in the prior art, and provide a photovoltaic power generation panel capable of improving power generation efficiency and stabilizing power supply.

本发明的目的可以通过采取如下技术方案达到:The purpose of the present invention can be achieved by taking the following technical solutions:

光伏发电板,包含光热转换涂层、集成电池芯片、汇流条、栅线电极和接线盒,所述的光热转换涂层设在集成电池芯片上,所述的集成电池芯片设有多个,并通过汇流条串联连接,所述的汇流条连接栅线电极和接线盒,其特征在于:所述的集成电池芯片设在玻璃板上,所述的玻璃板设在底板上,所述的底板的背部设有接线盒,所述的接线盒外接连接线,所述的接线盒表面设有显示屏、电压调节按键和供电开关,所述的接线盒内部由供电网络、过电压保护电路、供电开关电路、电压调节电路和自动跟踪控制电路构成。Photovoltaic power generation panel, including photothermal conversion coating, integrated battery chip, bus bar, grid line electrode and junction box, described photothermal conversion coating is arranged on the integrated battery chip, and described integrated battery chip is provided with a plurality of , and are connected in series through bus bars, the bus bars are connected to grid wire electrodes and junction boxes, and it is characterized in that: the integrated battery chip is arranged on a glass plate, and the glass plate is arranged on a bottom plate, and the described The back of the bottom plate is provided with a junction box, the junction box is externally connected to the connecting wire, the surface of the junction box is provided with a display screen, a voltage adjustment button and a power supply switch, and the interior of the junction box is composed of a power supply network, an overvoltage protection circuit, It is composed of a power supply switch circuit, a voltage regulation circuit and an automatic tracking control circuit.

作为一种优选方案,所述的过电压保护电路连接过电压示警模块。As a preferred solution, the overvoltage protection circuit is connected to an overvoltage warning module.

作为一种优选方案,所述的供电开关电路连接供电显示模块。As a preferred solution, the power supply switch circuit is connected to a power supply display module.

作为一种优选方案,所述的电压调节电路连接电压显示模块。As a preferred solution, the voltage regulation circuit is connected to a voltage display module.

作为一种优选方案,所述的显示屏由电压示警模块、供电显示模块和电压显示模块构成。As a preferred solution, the display screen is composed of a voltage warning module, a power supply display module and a voltage display module.

本发明专利的结构简单,通过本专利提供的发电板,可以有效提高光能发电效率,除了具有现有太阳能板的功能以外,还可以在阴天等光照强度较弱的天气中正常运作;电压调节电路用于调节连接负载时的输出电压;电压调节电路用于调节连接负载时的输出电压;自动跟踪控制电路将连接负载的输出情况,反馈给太阳能芯片,调节太阳能芯片将光能转化为电能的是否为供电网络供电,保证供电安全。。The structure of the patent of the present invention is simple, and the power generation panel provided by this patent can effectively improve the efficiency of solar power generation. In addition to the function of the existing solar panel, it can also operate normally in cloudy days and other weather with weak light intensity; voltage The regulating circuit is used to adjust the output voltage when the load is connected; the voltage regulating circuit is used to adjust the output voltage when the load is connected; the automatic tracking control circuit will feed back the output of the connected load to the solar chip, and adjust the solar chip to convert light energy into electrical energy Whether it supplies power to the power supply network to ensure the safety of power supply. .

附图说明Description of drawings

图1为本发明的主视图。Fig. 1 is the front view of the present invention.

图2为本发明的后视图。Figure 2 is a rear view of the present invention.

图3为本发明的功能结构框图。Fig. 3 is a functional structure block diagram of the present invention.

其中,1-光热转换涂层,2-集成电池芯片,3-玻璃板,4-汇流条,5-栅线电极,6-底板,7-接线盒,8-显示屏,9-电压调节按键,10-供电开关,11-连接线,12-供电网络,13-过电压保护电路,14-供电开关电路,15-电压调节电路,16-自动跟踪控制电路,17-负载。Among them, 1-photothermal conversion coating, 2-integrated battery chip, 3-glass plate, 4-bus bar, 5-grid wire electrode, 6-bottom plate, 7-junction box, 8-display screen, 9-voltage adjustment Button, 10-power supply switch, 11-connecting line, 12-power supply network, 13-overvoltage protection circuit, 14-power supply switch circuit, 15-voltage regulation circuit, 16-automatic tracking control circuit, 17-load.

具体实施方式detailed description

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对光伏发电板进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。In order to make the purpose, technical solution and advantages of the present invention more clear, the photovoltaic power generation panel will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

实施例1:Example 1:

如图1至图3所示,本实施例的光伏发电板,包含光热转换涂层1、集成电池芯片2、汇流条4、栅线电极5和接线盒7,所述的光热转换涂层1设在集成电池芯片2上,所述的集成电池芯片2设有多个,并通过汇流条4串联连接,所述的汇流条4连接栅线电极5和接线盒7,其特征在于:所述的集成电池芯片2设在玻璃板3上,所述的玻璃板3设在底板6上,所述的底板6的背部设有接线盒7,所述的接线盒7外接连接线11,所述的接线盒7表面设有显示屏8、电压调节按键9和供电开关10,所述的接线盒7内部由供电网络12、过电压保护电路13、供电开关电路14、电压调节电路15和自动跟踪控制电路16构成。所述的玻璃板3采用低铁钢化绒面玻璃,采用低铁钢化绒面玻璃(又称为白玻璃),厚度一般为3.2mm±0.2mm,透光率能达到91%以上,同时该玻璃能够耐太阳紫外线的辐射,具有抗老化、抗机械冲击强等特性,同时透光率不下降。所述的光热转换涂层1采用选择性光热膜,提高对光能的吸收效率。为了能够提高对电池板电流的收集率,除了汇流条4外,还可以在集成电池芯片2上安装栅线电极5,栅线电极5与汇流条4相连后,可以将收集的电子汇集到汇流条4上,以便汇流条4将电流通过接线盒7引出。As shown in Figures 1 to 3, the photovoltaic power generation panel of this embodiment includes a light-to-heat conversion coating 1, an integrated battery chip 2, a bus bar 4, a grid electrode 5, and a junction box 7. The light-to-heat conversion coating The layer 1 is set on the integrated battery chip 2. There are multiple integrated battery chips 2, and they are connected in series through the bus bar 4. The bus bar 4 is connected to the grid electrode 5 and the junction box 7. It is characterized in that: The integrated battery chip 2 is set on the glass plate 3, the glass plate 3 is set on the bottom plate 6, the back of the bottom plate 6 is provided with a junction box 7, and the junction box 7 is externally connected with a connecting wire 11, The surface of the junction box 7 is provided with a display screen 8, a voltage adjustment button 9 and a power supply switch 10, and the interior of the junction box 7 is composed of a power supply network 12, an overvoltage protection circuit 13, a power supply switch circuit 14, a voltage adjustment circuit 15 and The automatic tracking control circuit 16 constitutes. The glass plate 3 is made of low-iron toughened suede glass (also known as white glass), the thickness of which is generally 3.2mm±0.2mm, and the light transmittance can reach more than 91%. It can resist the sun's ultraviolet radiation, has the characteristics of anti-aging, strong resistance to mechanical shock, etc., and the light transmittance does not decrease at the same time. The photothermal conversion coating 1 adopts a selective photothermal film to improve the absorption efficiency of light energy. In order to improve the collection rate of the current of the battery panel, in addition to the bus bar 4, a grid line electrode 5 can also be installed on the integrated battery chip 2. After the grid line electrode 5 is connected to the bus bar 4, the collected electrons can be collected to the bus bar. On the bar 4, so that the bus bar 4 leads the current through the junction box 7.

如图3所示,所述的过电压保护电路13连接过电压示警模块。所述的过电压保护电路13防止供电过程中,电压过高,保护负载17设备。As shown in FIG. 3 , the overvoltage protection circuit 13 is connected to an overvoltage warning module. The overvoltage protection circuit 13 prevents the voltage from being too high during the power supply process, and protects the load 17 equipment.

如图3所示,所述的供电开关电路14连接供电显示模块。As shown in FIG. 3 , the power supply switch circuit 14 is connected to the power supply display module.

如图3所示,所述的电压调节电路15连接电压显示模块。所述的电压调节电路15用于调节连接负载时的输出电压。As shown in FIG. 3 , the voltage regulation circuit 15 is connected to a voltage display module. The voltage regulating circuit 15 is used to regulate the output voltage when the load is connected.

如图2所示,所述的显示屏8由电压示警模块、供电显示模块和电压显示模块构成。As shown in FIG. 2 , the display screen 8 is composed of a voltage warning module, a power supply display module and a voltage display module.

本发明专利的结构简单,通过本专利提供的发电板,可以有效提高光能发电效率,除了具有现有太阳能板的功能以外,还可以在阴天等光照强度较弱的天气中正常运作;电压调节电路15用于调节连接负载时的输出电压;电压调节电路15用于调节连接负载时的输出电压;自动跟踪控制电路16将连接负载17的输出情况,反馈给太阳能芯片,调节太阳能芯片将光能转化为电能的是否为供电网络12供电,保证供电稳定。The structure of the patent of the present invention is simple, and the power generation panel provided by this patent can effectively improve the efficiency of solar power generation. In addition to the function of the existing solar panel, it can also operate normally in cloudy days and other weather with weak light intensity; voltage Regulating circuit 15 is used for regulating the output voltage when connecting load; Voltage regulating circuit 15 is used for regulating the output voltage when connecting load; Automatic tracking control circuit 16 will connect the output situation of load 17, feed back to solar chip, adjust solar chip to light Whether it can be converted into electric energy supplies power to the power supply network 12 to ensure stable power supply.

以上所述,仅为本发明专利优选的实施例,但本发明专利的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明专利所公开的范围内,根据本发明专利的技术方案及其发明专利构思加以等同替换或改变,都属于本发明专利的保护范围。The above is only a preferred embodiment of the patent of the present invention, but the scope of protection of the patent of the present invention is not limited thereto. Anyone familiar with the technical field within the scope disclosed by the patent of the present invention, according to the scope of the patent of the present invention Equivalent replacement or change of the technical solution and its invention patent concept all belong to the protection scope of the invention patent.

Claims (5)

1. photovoltaic power generation plate, includes photothermal deformation coating(1), integrated battery chip(2), busbar(4), gate line electrode(5)With Terminal box(7), described photothermal deformation coating(1)It is located at integrated battery chip(2)On, described integrated battery chip(2)If Have multiple, and pass through busbar(4)It is connected in series, described busbar(4)Connect gate line electrode(5)And terminal box(7), it is special Levy and be:Described integrated battery chip(2)It is located at glass plate(3)On, described glass plate(3)It is located at bottom plate(6)On, it is described Bottom plate(6)Back be provided with terminal box(7), described terminal box(7)External connecting wire(11), described terminal box(7)Table Face is provided with display screen(8), voltage-regulation button(9)And power switch(10), described terminal box(7)Inside is by supply network (12), excess voltage protection(13), switching circuit of power supply(14), voltage regulator circuit(15)And automatic tracking control circuit (16)Constitute.
2. photovoltaic power generation plate according to claim 1, it is characterised in that:Described excess voltage protection(13)Connected Voltage is warned module.
3. photovoltaic power generation plate according to claim 1, it is characterised in that:Described switching circuit of power supply(14)Connection power supply Display module.
4. photovoltaic power generation plate according to claim 1, it is characterised in that:Described voltage regulator circuit(15)Connect voltage Display module.
5. the photovoltaic power generation plate according to claim 1 to claim 4 any claim, it is characterised in that:Described Display screen(8)By voltage warn module, power supply display module and voltage display module constitute.
CN201710481681.1A 2017-06-22 2017-06-22 Photovoltaic power generation plate Pending CN107302343A (en)

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Cited By (4)

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CN109539604A (en) * 2019-01-17 2019-03-29 河北道荣新能源科技有限公司 Film photovoltaic power generation coupling selectivity absorber coatings structure
CN109631353A (en) * 2019-01-17 2019-04-16 河北道荣新能源科技有限公司 Film photovoltaic power generation coupling selectivity absorber coatings preparation method and its thermal-arrest regulation law
CN109904240A (en) * 2019-02-26 2019-06-18 江苏禾木传感技术有限公司 Integrated intelligence photovoltaic module structure
CN109950348A (en) * 2019-04-10 2019-06-28 江苏禾木传感技术有限公司 Double glass photovoltaic modulies and preparation method thereof

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CN204967752U (en) * 2015-09-23 2016-01-13 南京宇能新能源科技有限公司 Intelligence photovoltaic power generation system based on plastics optical fiber communication
CN205584276U (en) * 2016-04-15 2016-09-14 广州市瑞峰电力科技有限公司 Photovoltaic cell -phone cover that charges

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JP2013120802A (en) * 2011-12-06 2013-06-17 Ntt Facilities Inc Photovoltaic power generation device
FR3020221A1 (en) * 2014-04-22 2015-10-23 Olivier Panya Krug ELECTRIC ENERGY STORAGE MODULE FOR A DEVICE FOR CONVERTING PHOTOVOLTAIC ENERGY INTO ELECTRICAL ENERGY
CN204558487U (en) * 2015-04-22 2015-08-12 广州市瑞峰电力科技有限公司 Photovoltaic power generation plate
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109539604A (en) * 2019-01-17 2019-03-29 河北道荣新能源科技有限公司 Film photovoltaic power generation coupling selectivity absorber coatings structure
CN109631353A (en) * 2019-01-17 2019-04-16 河北道荣新能源科技有限公司 Film photovoltaic power generation coupling selectivity absorber coatings preparation method and its thermal-arrest regulation law
CN109904240A (en) * 2019-02-26 2019-06-18 江苏禾木传感技术有限公司 Integrated intelligence photovoltaic module structure
CN109904240B (en) * 2019-02-26 2024-06-04 瓦克控股(江苏)有限公司 Integrated intelligent photovoltaic module structure
CN109950348A (en) * 2019-04-10 2019-06-28 江苏禾木传感技术有限公司 Double glass photovoltaic modulies and preparation method thereof
CN109950348B (en) * 2019-04-10 2024-06-04 瓦克控股(江苏)有限公司 Double-glass photovoltaic module and manufacturing method thereof

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