WO2012027908A1 - Solar cell member - Google Patents

Solar cell member 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
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WO
WIPO (PCT)
Prior art keywords
solar photovoltaic
photovoltaic module
cable
junction box
positive
Prior art date
Application number
PCT/CN2010/076674
Other languages
French (fr)
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/en

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/02Details
    • H01L31/02016Circuit arrangements of general character for the devices
    • H01L31/02019Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier
    • H01L31/02021Circuit arrangements of general character for the devices for devices characterised by at least one potential jump barrier or surface barrier for solar cells
    • 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
    • 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

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.

Abstract

A solar cell member comprises: at least two groups of battery plates, which comprise at least two battery pieces; the battery pieces are connected in series by a connecting bar; the connecting bar is bonded to a bus bar; the bus bar is connected to the junction box (10) disposed on the back of the solar cell member, and parallel-connected to the shunt diode (20) module structure. The structure of the solar cell member is simple with low cost, reduced circuit power assumption in the member and excellent heat-dissipation.

Description

说 明 书 一种太阳能光伏组件 技术领域  Description: A solar photovoltaic module
本实用新型涉及一种太阳能组件, 尤其涉及一种太阳能光伏组件。 背景技术  The utility model relates to a solar energy component, in particular to a solar photovoltaic component. Background technique
在太阳能光伏发电系统中, 太阳能光伏组件的接线盒可以实现太阳能光 伏发电晶硅板引线和外接引线的连接。 为了避免组件被遮蔽不发电或者组件 的某个电池串故障时能够对整个电路起到保护作用,保证其他电池能够正常 工作, 一般在太阳能光伏组件的接线盒内部还安装有旁路二极管, 在电池串 发生故障或部分遮蔽状态下, 二极管会导通, 二极管会发热, 因此, 保证接 线盒内二极管的有效散热性以及二极管的连接可靠性就成为太阳能光伏组 件的接线盒质量好坏的关键。现有太阳能光伏组件的接线盒内设置有旁路二 极管和金属卡接端子,金属卡接端子通过连接部位分别与二极管的引线脚卡 接或者焊接在一起, 这种结构的接线盒的连接方式, 首先安装上不方便, 二 极管要焊接或者卡接金属接线端子上再安装到接线盒内,增加装配难度及后 期太阳能光伏组件维护的难度; 其次, 在使用过程中, 因为盒体内部温度升 高导致盒体损坏及焊点容易脱落, 会使得二极管和金属端子的接触不良, 二 极管芯片性能的下降, 卡接方式连接接触电阻会导致接触点温度升高等弊 端, 使得二极管导通的稳定性降低, 从而引起接线盒的使用故障。 实用新型内容  In the solar photovoltaic power generation system, the junction box of the solar photovoltaic module can realize the connection of the solar photovoltaic wafer lead and the external lead. In order to prevent the component from being shielded from generating electricity or a certain battery string of the component can protect the entire circuit and ensure that other batteries can work normally, 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 damage of the box body and the solder joints are easy to fall off, which may cause poor contact between the diode and the metal terminal, the performance of the diode chip is degraded, and the contact resistance of the card connection method may cause the temperature of the contact point to rise, and the stability of the diode conduction is lowered. Causes the use of the junction box to malfunction. Utility model content
本实用新型针对现有太阳能光伏组件的接线盒安装上不方便, 装配难度 较大, 以及在使用过程中, 因为二极管温度升高导致二极管本身的损坏及性 能下降, 由于二极管的温度过高而引发的接线盒体损坏以及焊点容易脱落, 会使得二极管和金属端子的接触不良, 使得二极管导通的稳定性降低, 从而 引起接线盒的使用故障的不足, 并可以 低太阳能光伏组件的内部线路的功 率损耗而提供一种太阳能光伏组件及旁路二极管模块结构。 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.
本实用新型解决上述技术问题的技术方案如下: 一种太阳能光伏组件包 括至少两个电池片组, 所述电池片组包括至少两个电池片, 所述电池片之间 通过互联带串联相连, 所述互联带通过焊接连接到汇流带上, 所述汇流带与 设置于太阳能光伏组件背面的接线盒连接后,再与旁路二极管模块结构相并 联。  The technical solution of the present invention to solve the above technical problems is as follows: 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.
本实用新型的有益效果是: 本实用新型太阳能光伏组件的结构筒单, 降 低了太阳能光伏组件的生产成本, 而且可以减少组件内部的功率损耗, 降低 因遮蔽蔽效应产生的组件功率损耗比例, 同时旁路二极管模块结构模块化散 热效果好, 4艮低的二极管节温。  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 艮.
在上述技术方案的基础上, 本实用新型还可以做如下改进。  Based on the above technical solutions, the present invention can also be improved as follows.
进一步, 沿所述太阳能光伏组件的长度方向上, 具有正极接线盒、 负极 接线盒和旁路二极管模块结构。  Further, 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.
进一步, 所述旁路二极管模块结构的数量为 1个〜 6个。  Further, the number of the bypass diode module structures is one to six.
进一步, 沿所述太阳能光伏组件的宽度方向上, 具有正极接线盒、 负极 接线盒和旁路二极管模块结构。  Further, along the width direction of the solar photovoltaic module, there is a positive junction box, a negative junction box and a bypass diode module structure.
进一步, 所述旁路二极管模块结构的数量为 1个〜 3个。  Further, the number of the bypass diode module structures is one to three.
进一步, 所述正极接线盒包括第一电缆、 第一电缆密封套、 正极输出端 头、 第一外壳和第一粘结层, 所述汇流带和正极输出端头相连接, 所述正极 输出端头和第一电缆相连接, 所述第一电缆嵌套在第一电缆密封套内, 所述 第一电缆和正极输出端头设置于第一外壳内, 所述第一外壳通过第一粘结层 固定在太阳能光伏组件的背面。 进一步, 所述第一粘结层为硅胶层或者压敏胶层。 Further, 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. Further, the first bonding layer is a silica gel layer or a pressure sensitive adhesive layer.
进一步, 所述正极接线盒包括第二电缆、 第二电缆密封套、 负极输出端 头、 第二外壳和第二粘结层, 所述汇流带与负极输出端头相连接, 所述负极 输出端头和第二电缆相连接, 所述第二电缆嵌套在第二电缆密封套内, 所述 第二电缆和负极输出端头设置于第二外壳内, 所述第二外壳通过第二粘结层 固定在太阳能光伏组件的背面。  Further, 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.
进一步, 所述第二粘结层为硅胶层或者压敏胶层。  Further, the second bonding layer is a silica gel layer or a pressure sensitive adhesive layer.
进一步, 所述旁路二极管模块结构包括二极管、 散热器、 隔热板、 散热 罩和第三粘结层, 所述二极管和散热器相连接, 所述隔热板分别与二极管和 散热器相连接, 并位于二极管和散热器的下方, 所述二极管、 散热器和隔热 板均设置于散热罩内,所述散热罩通过第三粘结层固定在太阳能光伏组件的 背面, 所述第三粘结层为硅胶层或者压敏胶层。 附图说明  Further, 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. DRAWINGS
图 1为本实用新型太阳能光伏组件的结构示意图一;  1 is a schematic structural view 1 of a solar photovoltaic module of the present invention;
图 2为图 1不含电池片的结构示意图;  2 is a schematic view showing the structure of FIG. 1 without a battery sheet;
图 3为本实用新型太阳能光伏组件的结构示意图二;  3 is a schematic structural view 2 of the solar photovoltaic module of the present invention;
图 4为图 3不含电池片的结构示意图;  Figure 4 is a schematic view showing the structure of Figure 3 without a battery sheet;
图 5为本实用新型正极接线盒的结构示意图;  Figure 5 is a schematic structural view of a positive junction box of the present invention;
图 6为图 5沿 A-A方向的剖视图;  Figure 6 is a cross-sectional view taken along line A-A of Figure 5;
图 7为本实用新型旁路二极管模块结构的结构示意图;  7 is a schematic structural view of a bypass diode module structure of the present invention;
图 8为图 7沿 B-B方向的剖视图。 具体实施方式  Figure 8 is a cross-sectional view taken along line B-B of Figure 7. detailed description
以下结合附图对本实用新型的原理和特征进行描述,所举实例只用于解 释本实用新型, 并非用于限定本实用新型的范围。 The principles and features of the present invention are described below in conjunction with the accompanying drawings. The present invention is not intended to limit the scope of the present invention.
图 1为本实用新型太阳能光伏组件的结构示意图一, 图 2为图 1不含电 池片的结构示意图, 图 3为本实用新型太阳能光伏组件的结构示意图二, 图 4为图 3不含电池片的结构示意图。 如图 1至 4所示, 所述太阳能光伏组件 包括至少两个电池片组, 所述电池片组包括至少两个电池片, 所述电池片之 间通过互联带串联相连, 所述互联带通过焊接连接到汇流带上, 所述汇流带 与设置于太阳能光伏组件背面的接线盒 1 0连接后, 再与旁路二极管模块结 构 20相并联。  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, and 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.
沿所述太阳能光伏组件的长度方向上, 具有正极接线盒、 负极接线盒和 旁路二极管模块结构。 所述旁路二极管模块结构的数量为 1个〜 6个或只要 在满足组件机械强度要求的基础上还可增加。  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.
沿所述太阳能光伏组件的宽度方向上, 具有正极接线盒、 负极接线盒和 旁路二极管模块结构。 所述旁路二极管模块结构的数量为 1个〜 3个或只要 在满足组件机械强度要求的基础上还可增加。  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.
图 5为本实用新型正极接线盒的结构示意图, 图 6为图 5沿 A-A方向的 剖视图。 如图 3及 4所示, 所述正极接线盒和负极接线盒的结构是一样的, 以正极接线盒为例,所述正极接线盒包括第一电缆 1 03、第一电缆密封套 1 04、 正极输出端头 1 01、 第一外壳 1 02和第一粘结层 1 05 , 所述汇流带与正极输 出端头 1 01相连接, 正极输出端头 1 01和第一电缆 1 03相连接, 所述第一电 缆 1 03嵌套在第一电缆密封套 1 04内所述第一电缆 1 03和正极输出端头 1 01 设置于第一外壳 1 02内, 所述第一外壳 1 02通过第一粘结层 1 05固定在太阳 能光伏组件的背面。 所述第一粘结层 1 05为硅胶层或者压敏胶层。  Fig. 5 is a structural schematic view of the positive terminal block of the present invention, and Fig. 6 is a cross-sectional view of Fig. 5 taken along the line A-A. As shown in FIG. 3 and FIG. 4, the structure of the positive junction box and the negative junction box are the same. Taking the positive junction box as an example, 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.
图 7为本实用新型旁路二极管模块结构的结构示意图,图 8为图 7沿 B-B 方向的剖视图。如图 5及 6所示,所述旁路二极管模块结构包括二极管 202、 散热器 203、 隔热板 204、 散热罩 201和第三粘结层 205 , 所述二极管 202 和散热器 203相连接,所述隔热板 204分别与二极管 202和散热器 203相连 接, 并位于二极管 202和散热器 203的下方, 所述二极管 202、 散热器 203 和隔热板 204均设置于散热罩 201内, 所述散热罩 201通过第三粘结层 205 固定在太阳能光伏组件的背面,所述第三粘结层 205为硅胶层或者压敏胶层。 7 is a schematic structural view of a bypass diode module structure of the present invention, and FIG. 8 is a cross-sectional view of FIG. 7 along a BB direction. As shown in FIGS. 5 and 6, 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 diode 202 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. In the heat dissipation cover 201, 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.
以上所述仅为本实用新型的较佳实施例, 并不用以限制本实用新型, 凡 在本实用新型的精神和原则之内, 所作的任何修改、 等同替换、 改进等, 均 应包含在本实用新型的保护范围之内。  The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are included in the spirit and principles of the present invention, should be included in the present invention. The scope of protection of utility models.

Claims

权 利 要 求 书 Claim
1. 一种太阳能光伏组件, 其特征在于, 所述太阳能光伏组件包括至少 两个电池片组, 所述电池片组包括至少两个电池片, 所述电池片之间通过互 联带串联相连, 所述互联带通过焊接连接到汇流带上, 所述汇流带与设置于 太阳能光伏组件背面的接线盒连接后, 再与与旁路二极管模块结构相并联。 A solar photovoltaic module, comprising: at least two battery sheets, the battery sheet group comprising at least two battery sheets, wherein the battery sheets 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.
2. 根据权利要求 1所述的太阳能光伏组件, 其特征在于, 沿所述太阳 能光伏组件的长度方向上, 具有正极接线盒、 负极接线盒和旁路二极管模块 结构。  2. The solar photovoltaic module according to claim 1, characterized by having a positive junction box, a negative junction box and a bypass diode module structure along the length direction of the solar photovoltaic module.
3. 根据权利要求 2所述的太阳能光伏组件, 其特征在于, 所述旁路二 极管模块结构的数量为 1个〜 6个。  3. The solar photovoltaic module according to claim 2, wherein the number of the bypass diode module structures is one to six.
4. 根据权利要求 1所述的太阳能光伏组件, 其特征在于, 沿所述太阳 能光伏组件的宽度方向上, 具有正极接线盒、 负极接线盒和旁路二极管模块 结构。  4. The solar photovoltaic module according to claim 1, characterized by having a positive junction box, a negative junction box, and a bypass diode module structure along a width direction of the solar photovoltaic module.
5. 根据权利要求 4所述的太阳能光伏组件, 其特征在于, 所述旁路二 极管模块结构的数量为 1个〜 3个。  The solar photovoltaic module according to claim 4, wherein the number of the bypass diode module structures is one to three.
6. 根据权利要求 2或 4所述的太阳能光伏组件, 其特征在于, 所述正 极接线盒包括第一电缆、 第一电缆密封套、 正极输出端头、 第一外壳和第一 粘结层, 所述汇流带与正极输出端头相连接, 所述正极输出端头和第一电缆 相连接, 所述第一电缆嵌套在第一电缆密封套内, 所述第一电缆和正极输出 端头设置于第一外壳内, 所述第一外壳通过第一粘结层固定在太阳能光伏组 件的背面。  The solar photovoltaic module according to claim 2 or 4, wherein the positive junction box comprises a first cable, a first cable gland, a positive output terminal, a first outer casing and a first bonding layer, The bus bar is connected to the positive output terminal, the positive output terminal is connected to the first cable, the first cable is nested in the first cable gland, and the first cable and the positive output end are The first outer casing is fixed in the first outer casing, and the first outer casing is fixed on the back surface of the solar photovoltaic module by the first adhesive layer.
7. 根据权利要求 6所述的太阳能光伏组件, 其特征在于, 所述第一粘 结层为硅胶层或者压敏胶层。  The solar photovoltaic module according to claim 6, wherein the first adhesive layer is a silica gel layer or a pressure sensitive adhesive layer.
8. 根据权利要求 2或 4所述的太阳能光伏组件, 其特征在于, 所述正 极接线盒包括第二电缆、 第二电缆密封套、 负极输出端头、 第二外壳和第二 粘结层, 所述汇流带与负极输出端头相连接, 所述负极输出端头和第二电缆 相连接, 所述第二电缆嵌套在第二电缆密封套内, 所述第二电缆和负极输出 端头设置于第二外壳内, 所述第二外壳通过第二粘结层固定在太阳能光伏组 件的背面。 The solar photovoltaic module according to claim 2 or 4, wherein the positive The pole junction box includes a second cable, a second cable gland, a negative output terminal, a second outer casing and a second bonding layer, the bus bar is connected to the negative output terminal, the negative output terminal and the second The cables 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 fixed to the solar energy through the second bonding layer The back of the PV module.
9. 根据权利要求 6所述的太阳能光伏组件, 其特征在于, 所述第二粘 结层为硅胶层或者压敏胶层。  9. The solar photovoltaic module according to claim 6, wherein the second bonding layer is a silica gel layer or a pressure sensitive adhesive layer.
10.根据权利要求 2或 4所述的太阳能光伏组件, 其特征在于, 所述旁 路二极管模块结构包括二极管、 散热器、 隔热板、 散热罩和第三粘结层, 所 述二极管和散热器相连接, 所述隔热板分别与二极管和散热器相连接, 并位 于二极管和散热器的下方,所述二极管、散热器和隔热板均设置于散热罩内, 所述散热罩通过第三粘结层固定在太阳能光伏组件的背面, 所述第三粘结层 为硅胶层或者压敏胶层。  The solar photovoltaic module according to claim 2 or 4, wherein the bypass diode module structure comprises a diode, a heat sink, a heat shield, a heat sink and a third bonding layer, the diode and the heat dissipation The heat shields are respectively connected to the diodes and the heat sinks, and are located under the diodes and the heat sinks. The diodes, the heat sinks and the heat shields are all disposed in the heat dissipation cover, and the heat dissipation cover passes through the The three bonding layer is fixed on the back surface of the solar photovoltaic module, and the third bonding layer is a silica gel layer or a pressure sensitive adhesive layer.
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