WO2012027908A1 - Élément de cellule solaire - Google Patents

Élément de cellule solaire Download PDF

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Publication number
WO2012027908A1
WO2012027908A1 PCT/CN2010/076674 CN2010076674W WO2012027908A1 WO 2012027908 A1 WO2012027908 A1 WO 2012027908A1 CN 2010076674 W CN2010076674 W CN 2010076674W WO 2012027908 A1 WO2012027908 A1 WO 2012027908A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar photovoltaic
photovoltaic module
cable
junction box
positive
Prior art date
Application number
PCT/CN2010/076674
Other languages
English (en)
Chinese (zh)
Inventor
冯秀华
Original Assignee
Feng Xiuhua
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 Feng Xiuhua filed Critical Feng Xiuhua
Publication of WO2012027908A1 publication Critical patent/WO2012027908A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/02016—Circuit arrangements of general character for the devices
    • H01L31/02019—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02021—Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • 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
    • H02S40/30—Electrical components
    • H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • 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

Definitions

  • the utility model relates to a solar energy component, in particular to a solar photovoltaic component.
  • the junction box of the solar photovoltaic module can realize the connection of the solar photovoltaic wafer lead and the external lead.
  • a bypass diode is usually installed inside the junction box of the solar photovoltaic module. When the string fails or is partially shielded, the diode will conduct and the diode will heat up. Therefore, ensuring the effective heat dissipation of the diode in the junction box and the reliability of the diode connection become the key to the quality of the junction box of the solar photovoltaic module.
  • the junction box of the existing solar photovoltaic module is provided with a bypass diode and a metal card terminal, and the metal card terminal is respectively connected or soldered to the lead pin of the diode through the connection portion, and the connection manner of the junction box of the structure, Firstly, it is inconvenient to install.
  • the diode should be soldered or snapped onto the metal terminal block and then installed in the junction box, which increases the difficulty of assembly and the difficulty of maintenance of the solar photovoltaic module in the later stage. Secondly, during use, the temperature inside the box rises.
  • the utility model is inconvenient for the installation of the junction box of the existing solar photovoltaic module, and the assembly is difficult, and the damage and the diode itself are damaged due to the increase of the diode temperature during use. Can be reduced, due to the temperature of the diode is too high, the damage of the junction box body and the solder joints are easy to fall off, which will cause poor contact between the diode and the metal terminal, so that the stability of the diode conduction is reduced, thereby causing the failure of the use of the junction box. And a solar photovoltaic module and a bypass diode module structure can be provided for the power loss of the internal circuit of the low solar photovoltaic module.
  • a solar photovoltaic module comprises at least two battery chip sets, the battery chip set comprises at least two battery cells, and the battery cells are connected in series by a connecting strip.
  • the interconnecting strip is connected to the busbar by soldering, and the busbar is connected to the junction box disposed on the back of the solar photovoltaic module, and then connected in parallel with the bypass diode module structure.
  • the utility model has the beneficial effects that: the structure of the solar photovoltaic module of the utility model reduces the production cost of the solar photovoltaic module, and can reduce the power loss inside the component and reduce the power loss ratio of the component caused by the shielding effect.
  • the bypass diode module structure has a good modular cooling effect and a low diode temperature of 4 ⁇ .
  • the present invention can also be improved as follows.
  • the solar photovoltaic module there is a positive junction box, a negative junction box and a bypass diode module structure.
  • the number of the bypass diode module structures is one to six.
  • the solar photovoltaic module there is a positive junction box, a negative junction box and a bypass diode module structure.
  • the number of the bypass diode module structures is one to three.
  • the positive junction box includes a first cable, a first cable gland, a positive output terminal, a first outer casing and a first bonding layer, the bus bar and the positive output terminal are connected, and the positive output terminal
  • the first cable is connected to the first cable, the first cable is nested in the first cable gland, the first cable and the positive output end are disposed in the first housing, and the first housing is coupled by the first bonding
  • the layer is attached to the back of the solar photovoltaic module.
  • the first bonding layer is a silica gel layer or a pressure sensitive adhesive layer.
  • the positive junction box includes a second cable, a second cable gland, a negative output terminal, a second outer casing and a second bonding layer, wherein the bus bar is connected to the negative output terminal, and the negative output terminal
  • the head and the second cable are connected, the second cable is nested in the second cable gland, the second cable and the negative output end are disposed in the second casing, and the second casing is passed through the second bonding
  • the layer is attached to the back of the solar photovoltaic module.
  • the second bonding layer is a silica gel layer or a pressure sensitive adhesive layer.
  • the bypass diode module structure comprises a diode, a heat sink, a heat shield, a heat shield and a third adhesive layer, wherein the diode is connected to a heat sink, and the heat shield is respectively connected to the diode and the heat sink. And being disposed under the diode and the heat sink, wherein the diode, the heat sink and the heat shield are disposed in the heat sink, and the heat shield is fixed on the back surface of the solar photovoltaic module through the third adhesive layer, the third stick
  • the layer is a silica gel layer or a pressure sensitive adhesive layer.
  • FIG. 1 is a schematic structural view 1 of a solar photovoltaic module of the present invention.
  • FIG. 2 is a schematic view showing the structure of FIG. 1 without a battery sheet
  • FIG. 3 is a schematic structural view 2 of the solar photovoltaic module of the present invention.
  • Figure 4 is a schematic view showing the structure of Figure 3 without a battery sheet
  • Figure 5 is a schematic structural view of a positive junction box of the present invention.
  • Figure 6 is a cross-sectional view taken along line A-A of Figure 5;
  • FIG. 7 is a schematic structural view of a bypass diode module structure of the present invention.
  • Figure 8 is a cross-sectional view taken along line B-B of Figure 7. detailed description
  • FIG. 1 is a schematic structural view of a solar photovoltaic module of the present invention
  • FIG. 2 is a schematic structural view of the solar cell module of FIG. 1
  • FIG. 3 is a schematic structural view of the solar photovoltaic module of the present invention
  • FIG. Schematic diagram of the structure As shown in FIGS. 1 to 4, the solar photovoltaic module includes at least two battery chip sets, and the battery chip group includes at least two battery chips, and the battery cells are connected in series by a connection tape, and the interconnection tape passes through The solder is connected to the bus bar, and the bus bar is connected to the junction box 10 disposed on the back of the solar photovoltaic module, and then connected in parallel with the bypass diode module structure 20.
  • bypass diode module structure Along the length direction of the solar photovoltaic module, there is a positive junction box, a negative junction box and a bypass diode module structure.
  • the number of the bypass diode module structures is one to six or may be increased as long as the mechanical strength requirements of the components are met.
  • a positive junction box, a negative junction box, and a bypass diode module structure are provided along the width direction of the solar photovoltaic module.
  • the number of the bypass diode module structures is one to three or may be increased as long as the mechanical strength requirements of the components are met.
  • Fig. 5 is a structural schematic view of the positive terminal block of the present invention
  • Fig. 6 is a cross-sectional view of Fig. 5 taken along the line A-A.
  • the structure of the positive junction box and the negative junction box are the same.
  • the positive junction box includes a first cable 103, a first cable gland 104, a positive output terminal 01, a first housing 102 and a first bonding layer 105, the bus bar is connected to the positive output terminal 01, and the positive output terminal 101 is connected to the first cable 103.
  • the first cable 103 is nested in the first cable gland 104.
  • the first cable 103 and the positive output terminal 101 are disposed in the first housing 102, and the first housing 102 passes through the first A bonding layer 105 is attached to the back side of the solar photovoltaic module.
  • the first bonding layer 105 is a silica gel layer or a pressure sensitive adhesive layer.
  • FIG. 7 is a schematic structural view of a bypass diode module structure of the present invention
  • FIG. 8 is a cross-sectional view of FIG. 7 along a BB direction.
  • the bypass diode module structure includes a diode 202, a heat sink 203, a heat shield 204, a heat sink 201, and a third bonding layer 205.
  • the heat shields 204 are connected to the diodes 202 and the heat sinks 203, respectively, and are located below the diodes 202 and the heat sinks 203.
  • the diodes 202, the heat sinks 203 and the heat shields 204 are disposed.
  • the heat dissipation cover 201 is fixed on the back surface of the solar photovoltaic module by a third adhesive layer 205, and the third adhesive layer 205 is a silicone layer or a pressure sensitive adhesive layer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention porte sur un élément de cellule solaire, qui comprend : au moins deux groupes de plaques d'accumulateur, qui comprennent au moins deux éléments d'accumulateur; les éléments d'accumulateur étant connectés en série par une barre de connexion; la barre de connexion étant reliée à une barre-bus; la barre-bus étant reliée à la boîte de jonction (10) disposée sur l'arrière de l'élément de cellule solaire, et connectée en parallèle à la structure de module de diode de dérivation (20). La structure de l'élément de cellule solaire est simple présentant un faible coût, une présomption de puissance de circuits réduite dans l'élément et une excellente dissipation de la chaleur.
PCT/CN2010/076674 2010-08-30 2010-09-07 Élément de cellule solaire WO2012027908A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201020509901.0 2010-08-30
CN201020509901 2010-08-30

Publications (1)

Publication Number Publication Date
WO2012027908A1 true WO2012027908A1 (fr) 2012-03-08

Family

ID=45018708

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/076674 WO2012027908A1 (fr) 2010-08-30 2010-09-07 Élément de cellule solaire

Country Status (2)

Country Link
CN (1) CN202058742U (fr)
WO (1) WO2012027908A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103208547A (zh) * 2012-01-13 2013-07-17 比亚迪股份有限公司 一种太阳能电池模组
CN103066144B (zh) * 2012-12-25 2015-06-10 英利能源（中国）有限公司 一种太阳能电池组件及其新的引线方式
CN103337531A (zh) * 2013-03-22 2013-10-02 横店集团东磁股份有限公司 一种屋顶太阳能光伏组件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201039042Y (zh) * 2007-05-17 2008-03-19 保定天威英利新能源有限公司 一种全玻组件接线盒
CN201217866Y (zh) * 2008-06-25 2009-04-08 山东科明太阳能光伏有限公司 双面光伏电池幕墙组件
CN201527987U (zh) * 2010-02-09 2010-07-14 巨力新能源股份有限公司 一种无隔离晶体硅太阳能电池组件
CN101488536B (zh) * 2007-09-13 2010-08-04 胡玉海 太阳能光伏组件汇流带及汇流带组装太阳能板的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201039042Y (zh) * 2007-05-17 2008-03-19 保定天威英利新能源有限公司 一种全玻组件接线盒
CN101488536B (zh) * 2007-09-13 2010-08-04 胡玉海 太阳能光伏组件汇流带及汇流带组装太阳能板的方法
CN201217866Y (zh) * 2008-06-25 2009-04-08 山东科明太阳能光伏有限公司 双面光伏电池幕墙组件
CN201527987U (zh) * 2010-02-09 2010-07-14 巨力新能源股份有限公司 一种无隔离晶体硅太阳能电池组件

Also Published As

Publication number Publication date
CN202058742U (zh) 2011-11-30

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