WO2023273309A1 - 一种光伏组件 - Google Patents

一种光伏组件 Download PDF

Info

Publication number
WO2023273309A1
WO2023273309A1 PCT/CN2022/072042 CN2022072042W WO2023273309A1 WO 2023273309 A1 WO2023273309 A1 WO 2023273309A1 CN 2022072042 W CN2022072042 W CN 2022072042W WO 2023273309 A1 WO2023273309 A1 WO 2023273309A1
Authority
WO
WIPO (PCT)
Prior art keywords
bus bar
protective layer
layer
section
photovoltaic module
Prior art date
Application number
PCT/CN2022/072042
Other languages
English (en)
French (fr)
Inventor
刘振阳
丁佳伟
何晖
吕俊
Original Assignee
泰州隆基乐叶光伏科技有限公司
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 泰州隆基乐叶光伏科技有限公司 filed Critical 泰州隆基乐叶光伏科技有限公司
Publication of WO2023273309A1 publication Critical patent/WO2023273309A1/zh

Links

Images

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
    • 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 present disclosure relates to the technical field of photovoltaic component manufacturing, in particular to a photovoltaic component.
  • Photovoltaic modules can absorb sunlight and convert light energy into electrical energy, thereby generating electricity.
  • a photovoltaic module with six battery substrings when one substring is shaded, it will affect the power generation of other substrings, and even other components in the unified circuit will be affected, so that the output in the system array will drop significantly, seriously affect the power generation of the system.
  • a three-split intelligent junction box is used in the prior art.
  • the smart junction box can perform maximum power point tracking for each component, solve the problem of power loss caused by factors such as shading, orientation difference, attenuation, etc., realize the maximum power output of each component, and increase the power generation of the component.
  • Three-split intelligent junction boxes are connected in series through external cables, and the cables are located outside the components. Since the cables and junction box are fixedly connected together, the size requirements of the components are too high. Moreover, when one of the junction boxes fails, the entire three-part intelligent junction box needs to be replaced. This leads to high production and maintenance costs of photovoltaic modules.
  • the purpose of the present disclosure is to provide a photovoltaic module, so as to provide a photovoltaic module with low maintenance cost.
  • a photovoltaic module which includes a first protective layer, a second protective layer, a plurality of intelligent junction boxes, a first bus bar, a second bus bar, and a The battery string layer between the second protective layer.
  • the battery string layer includes a plurality of battery substrings.
  • the first protective layer and/or the second protective layer are provided with a plurality of through holes, and each first bus bar is electrically connected to the corresponding battery substring and the intelligent junction box through the corresponding through hole, and two adjacent intelligent junction boxes The boxes are electrically connected through the second bus bar.
  • a plurality of intelligent junction boxes may be located on the first protective layer, or on the second protective layer, or both are provided with intelligent junction boxes on the first protective layer and the second protective layer; as long as the first bus bar can pass through the The hole is connected to the corresponding intelligent junction box, and the series connection of multiple intelligent junction boxes can be realized through the second bus bar.
  • the battery substrings are electrically connected to the smart junction box through the first bus bar, and the two smart junction boxes are connected through the second bus bar, thereby realizing the electrical connection of multiple smart junction boxes.
  • Multiple intelligent junction boxes are independent of each other.
  • the second bus bar with a suitable size can be selected, which improves the flexibility of the installation location of the intelligent junction box.
  • the photovoltaic module provided by the present disclosure can flexibly have various sizes, and the smart junction boxes can be connected by correspondingly using second bus bars of different sizes. When a smart junction box is damaged, only the smart junction box needs to be replaced, and other smart junction boxes will not be affected. Therefore, the production and maintenance cost of the photovoltaic module provided by the present disclosure is relatively low.
  • the smart junction box is located on the outer surface of the first protective layer, and/or, located on the outer surface of the second protective layer.
  • the through holes may all be located on the first protective layer
  • the second bus bar has a middle section and two connection sections located on both sides of the middle section
  • the middle section of a second bus bar is located on the first
  • the two connection sections are connected to corresponding intelligent junction boxes through corresponding two through holes respectively.
  • a second bus bar with an appropriate size can be selected according to the distance between the corresponding two through holes, and then it is only necessary to connect the intelligent junction box with the protruding connecting section, which avoids the size of the conventional bus bar.
  • the number of through holes may be the same as the number of smart junction boxes, and two connection sections of a second bus bar pass through two adjacent through holes to connect to corresponding smart junction boxes.
  • the first bus bars can be arranged sequentially along the arrangement sequence of all the through holes, and the arrangement is neat and orderly, so that the appearance of the photovoltaic module is neat.
  • the smart junction boxes can cover the through holes one by one, so that the through holes are covered by the smart junction box.
  • the connection section of the second bus bar can be directly connected to the bottom of the intelligent junction box after protruding from the through hole, so as to avoid the exposure of the connection section of the second bus bar.
  • the first bus bar includes a hidden section and an exposed section passing through the through hole.
  • the middle section of the second bus bar is located between the first protective layer and the second protective layer, the second bus bar
  • the middle section of the first bus bar can be located between the hidden section and the first protective layer or between the hidden section of the first bus bar and the second protective layer, the middle section and the hidden section are laminated, and the middle section and the hidden section insulated.
  • the middle section and the hidden section When the middle section and the hidden section are stacked, at least the middle section has an insulating layer, and the insulating layer is in contact with the hidden section; or, an insulating medium can be arranged between the middle section and the hidden section, so that the first bus bar and the second bus bar insulation.
  • both the first bus bar and the second bus bar may have insulating layers, and the insulating layers of the two are in contact, which can improve the insulating performance between the two.
  • the insulating medium can be soft or hard. When it is hard, it may be in the form of a flat plate so as to be stacked between the first bus bar and the second bus bar.
  • the number of first bus bars and battery substrings is the same and both are 2n
  • the number of intelligent junction boxes is n
  • the number of second bus bars is n-1
  • n is a positive integer
  • one A smart junction box is used to connect two battery substrings.
  • n can be three
  • the number of the first bus bar and the number of battery substrings are six
  • the number of through holes can also be three
  • the through holes are distributed at intervals along the horizontal direction shown in the figure
  • the intelligent junction box is correspondingly arranged in the through holes Nearby, two connection sections of a second bus bar are respectively connected to the corresponding intelligent junction box through two adjacent through holes, and a first bus bar is connected to the corresponding intelligent junction box through one through hole.
  • the second bus bar may include an insulating layer, and a conductive layer and a soldering layer sequentially disposed on at least one side of the insulating layer.
  • the second bus bar may include three layers, that is, an insulating layer, a conductive layer and a soldering layer stacked in sequence. At this time, the insulating layer is attached to the first bus bar to play the role of insulation.
  • the second bus bar may include five layers, that is, a solder layer, a conductive layer, an insulating layer, a conductive layer, and a solder layer stacked in sequence. At this time, an insulating medium needs to be arranged between the second bus bar and the first bus bar, or the first bus bar has an insulating layer. Floor.
  • the second bus bar can replace the function of the first bus bar.
  • the second bus bar has a middle section and two end sections.
  • the welding layer in the middle section is attached to the first protective layer or the second protective layer, and the two end sections protrude from the corresponding through holes, and the welding layer on one end section on the first side is connected to the corresponding intelligent junction box to realize the connection between the battery substring and the second protective layer.
  • the welding layers of the two end sections located on the second side are connected with the corresponding intelligent junction box, so as to realize the series connection of the two intelligent junction boxes.
  • the thickness of the bus bar may be 0.01mm-0.2mm, and the width may be 2mm-20mm.
  • Fig. 1 is a schematic side view of a photovoltaic module provided by an embodiment of the present disclosure, in which a through hole is partially cut away;
  • FIG. 2 is a top view of a photovoltaic module provided by an embodiment of the present disclosure
  • Figure 3 is an enlarged view of part A in Figure 2.
  • FIG. 4 is a schematic cross-sectional view of a bus bar provided by an embodiment of the present disclosure.
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features.
  • plurality means two or more, unless otherwise specifically defined. "Several” means one or more than one, unless otherwise clearly and specifically defined.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it may be mechanical connection or electrical connection; it may be direct connection or indirect connection through an intermediary, and it may be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present disclosure according to specific situations.
  • the present disclosure provides a A photovoltaic module, the photovoltaic module includes a smart junction box and a second bus bar, and the smart junction box is connected in series through the second bus bar, so that photovoltaic modules of different sizes need to use second bus bars of different sizes.
  • the photovoltaic module provided by the present disclosure includes a first protective layer 1, a second protective layer 2, a plurality of intelligent junction boxes 3, a first bus bar 4, a second bus bar 5 and a The battery string layer between the protective layer 1 and the second protective layer 2.
  • the battery string layer includes a plurality of battery substrings 6 .
  • first protective layer 1 and/or the second protective layer 2 are provided with a plurality of through holes 7, and each first bus bar 4 passes through the corresponding through holes 7 to electrically connect the corresponding battery substring 6 and the intelligent junction box 3 , two adjacent intelligent junction boxes 3 are electrically connected through the second bus bar 5 .
  • a plurality of intelligent junction boxes 3 can be located on the first protective layer 1, or on the second protective layer 2, or on the first protective layer 1 and the second protective layer 2 are provided with intelligent junction boxes 3; as long as it can
  • the first bus bar 4 is connected to the corresponding smart junction box 3 through the through hole 7 , and the series connection of multiple smart junction boxes 3 is realized through the second bus bar 5 .
  • the battery substring 6 is electrically connected to the smart junction box 3 through the first bus bar 4, and the two smart junction boxes 3 are connected through the second bus bar 5, realizing the electrical connection of multiple smart junction boxes 3 .
  • a plurality of intelligent junction boxes 3 are independent of each other. According to the distance between the intelligent junction boxes 3, it is enough to select the second bus bar 5 of an appropriate size, which improves the flexibility of the installation position of the intelligent junction boxes 3 .
  • the photovoltaic module provided by the present disclosure can flexibly have various sizes, and the second bus bars 5 of different sizes can be used to connect the intelligent junction boxes 3 accordingly. When a certain intelligent junction box 3 is damaged, only the intelligent junction box 3 needs to be replaced, and other intelligent junction boxes 3 are not affected. Therefore, the production and maintenance cost of the photovoltaic module provided by the present disclosure is relatively low.
  • the smart junction box is located on the outer surface of the first protective layer, and/or, located on the outer surface of the second protective layer.
  • the intelligent junction box 3 includes, but is not limited to, optimization functions, shutdown functions, data collection and monitoring functions, and communication functions. Multiple intelligent junction boxes 3 are connected through the second bus bar 5 . For example, when the number of battery substrings 6 is six, the number of intelligent junction boxes 3 can be three, so that a three-part intelligent junction box 3 can be formed. The number of intelligent junction boxes 3 can be determined according to the number of battery substrings 6 , as long as all battery substrings 6 can be connected to the intelligent junction box 3 .
  • the above-mentioned protective layer may be a glass plate, or may be a protective layer of other materials, which is not limited in the embodiment of the utility model.
  • the protective layer When the protective layer is on the light-facing surface of the photovoltaic module, the protective layer can be a glass plate; when the protective layer is on the backlight surface of the photovoltaic module, the protective layer can be a glass plate or other materials.
  • the through holes 7 can all be located on the first protective layer 1
  • the second bus bar 5 has a middle section and two connecting sections located on both sides of the middle section, and a first The middle sections of the two bus bars 5 are located between the first protective layer 1 and the second protective layer 2 , and the two connecting sections are respectively connected to the corresponding smart junction boxes 3 through the corresponding two through holes 7 .
  • the middle section of the second bus bar 5 and the battery string layer can be placed on the corresponding positions of the second protective layer 2, and then the first protective layer 1 is stacked on the battery string layer.
  • a photovoltaic module in which the middle section of the second bus bar 5 is placed can be formed by lamination.
  • the second bus bar 5 with a suitable size can be selected according to the distance between the corresponding two through holes 7 during production, and then it is only necessary to connect the intelligent junction box 3 with the protruding connecting section, avoiding the existing The problem with size limitations in technology.
  • the number of through holes 7 can be the same as that of the intelligent junction box 3, and the two connecting sections of a second bus bar 5 pass through two adjacent through holes respectively. 7 is connected to the corresponding intelligent junction box 3.
  • the first bus bars 4 can be arranged sequentially along the arrangement sequence of all the through holes 7 , and the arrangement is neat and orderly, so that the appearance of the photovoltaic module is neat.
  • the number of through holes 7 can be different from the number of intelligent junction boxes 3. For example, the number of through holes 7 is two, and the number of intelligent junction boxes 3 is three. Two through holes 7 protrude to connect with the corresponding intelligent junction box 3 .
  • the smart junction boxes 3 can cover the through holes 7 in one-to-one correspondence, thus, The through hole 7 is covered by the intelligent junction box 3 .
  • the connection section of the second bus bar 5 can be directly connected to the bottom of the intelligent junction box 3 after protruding from the through hole 7 , so as to avoid the exposure of the connection section of the second bus bar 5 .
  • connection section can be made to have a length margin
  • the intelligent junction box 3 can be connected to the connection section first by utilizing the characteristics that the second bus bar 5 is easy to deform, and then the intelligent junction box 3 can be fixed on the first protective layer 1, The bottom of the intelligent junction box 3 is attached to the first protective layer 1, so that the length margin of the connecting section of the second bus bar 5 is accommodated in the through hole 7 and/or the space at the bottom of the intelligent junction box 3 .
  • the first bus bar 4 includes a hidden section and an exposed section passing through the through hole 7, when the middle section of the second bus bar 5 is located between the first protective layer 1 and the second protective layer 2 , the middle section of the second bus bar 5 can be located between the hidden section of the first bus bar 4 and the first protective layer 1 or between the hidden section of the first bus bar 4 and the second protective layer 2, the middle section and the hidden section
  • the segments are stacked, and the middle segment is insulated from the hidden segment.
  • the area occupied by the first bus bar 4 and the second bus bar 5 can be reduced, which is beneficial to the compact structure of the photovoltaic module, and can also make a through hole 7 pass through the first bus bar 4 at the same time and the second bus bar 5 .
  • the intelligent junction box 3 is correspondingly arranged near the through holes 7, and the two connecting sections of a second bus bar They are respectively connected to the corresponding intelligent junction box 3 through two adjacent through holes 7 , and a first bus bar 4 is connected to the corresponding intelligent junction box 3 through one through hole 7 .
  • middle section has insulation layer 91, and insulation layer 91 contacts with hidden section; Or, can be provided with insulating medium between middle section and hidden section, so that the first A bus bar 4 is insulated from a second bus bar 5 .
  • both the first bus bar 4 and the second bus bar 5 can have an insulating layer 91, and the insulating layers 91 of the two are in contact, which can improve the insulating performance between the two.
  • the insulating medium can be soft or hard. When it is hard, it may be in the form of a flat plate so as to be stacked between the first bus bar 4 and the second bus bar 5 .
  • n is a positive integer
  • an intelligent junction box 3 is used to connect two battery substrings 6 .
  • n can be three
  • the number of the first bus bar 4 and the number of battery substrings 6 are six
  • the number of through holes 7 can also be three
  • the through holes 7 are distributed at intervals along the lateral direction shown in the figure
  • the intelligent junction box 3 Correspondingly arranged near the through hole 7, the two connection sections of a second bus bar 5 are respectively connected to the corresponding intelligent junction box 3 through two adjacent through holes 7, and a first bus bar 4 is connected through a through hole 7 It corresponds to the smart junction box 3.
  • the second bus bar 5 may include an insulating layer 91 , and a conductive layer 92 and a soldering layer 93 sequentially disposed on at least one side of the insulating layer 91 .
  • the second bus bar 5 may include three layers, as shown in FIG. 4 , that is, including an insulating layer 91 , a conductive layer 92 and a soldering layer 93 stacked in sequence. At this time, the insulating layer 91 is attached to the first bus bar 4 to play the role of insulation.
  • the second bus bar 5 may include five layers, that is, a solder layer 93 , a conductive layer 92 , an insulating layer 91 , a conductive layer 92 and a solder layer 93 stacked in sequence.
  • an insulating medium needs to be provided between the second bus bar 5 and the first bus bar 4, or the first bus bar 4 has an insulating layer.
  • the first bus bar 4 may also include sequentially stacked insulating layers 91 , conductive layer 92 and soldering layer 93.
  • the second bus bar 5 can replace the function of the first bus bar 4.
  • the second bus bar 5 has a middle section and two end sections. connection, the middle welding layer 93 on the second side is attached to the first protective layer 1 or the second protective layer 2, and the two end sections protrude from the corresponding through holes 7 respectively, and the welding layer 93 on one end section on the first side is connected to the
  • the corresponding intelligent junction box 3 is connected to realize the connection between the battery substring 6 and the corresponding intelligent junction box 3, and the two end section welding layers 93 on the second side are connected to the corresponding intelligent junction box 3 to realize the connection between the two intelligent junction boxes 3. in series.
  • the thickness of the second bus bar 5 may be 0.01mm-0.2mm, and the width may be 2mm-20mm.

Landscapes

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

Abstract

本公开公开一种光伏组件，涉及光伏组件的制造领域，以提供一种维护成本低的光伏组件。该光伏组件包括第一保护层、第二保护层、多个智能接线盒、第一汇流条、第二汇流条以及位于所述第一保护层和所述第二保护层之间的电池串层，所述电池串层包括多个电池串，所述多个智能接线盒位于所述第一保护层和/或所述第二保护层上；所述第一保护层和/或所述第二保护层上设置有多个通孔，每个所述第一汇流条穿过相应所述通孔电连接相应的所述电池串和所述智能接线盒，相邻两个所述智能接线盒之间通过所述第二汇流条电连接。

Description

一种光伏组件
相关申请的交叉引用
本申请要求在2021年06月29日提交中国专利局，申请号为202121463254.9、名称为“一种光伏组件”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及光伏组件制造的技术领域，尤其涉及一种光伏组件。
背景技术
光伏组件可以吸收阳光并将光能转化为电能，从而实现发电。对于具有六个电池子串的光伏组件来说，当一个子串被遮挡时会影响其他子串发电，甚至统一电路中的其他组件也会受到影响，使系统阵列中的输出大幅度下降，严重影响系统发电量。为了解决这种问题，现有技术中采用了三分体式智能接线盒。智能接线盒可以对每一个组件执行最大功率点追踪，解决组件因遮挡、朝向差异、衰减等因素造成的功率损失问题，实现每个组件的最大功率输出，提升组件发电量。
三分体式智能接线盒通过外接电缆串联在一起，电缆位于组件外侧。由于电缆和接线盒是固定连接在一起的，对组件尺寸要求过高。并且，其中一个线盒出问题时，需要更换整个三分体式智能接线盒。这就导致光伏组件的生产维护成本高。
概述
本公开的目的在于提供一种光伏组件，以提供一种维护成本低的光伏组件。
为了解决上述技术问题，本公开提供一种光伏组件，该光伏组件包括第一保护层、第二保护层、多个智能接线盒、第一汇流条、第二汇流条以及位于第一保护层和第二保护层之间的电池串层。电池串层包括多个电池子串。
其中，第一保护层和/或第二保护层上设置有多个通孔，每个第一汇流条穿过相应通孔电连接相应的电池子串和智能接线盒，相邻两个智能接线盒之间通过第二汇流条电连接。多个智能接线盒可以位于第一保护层上，或者位于第二保护层上，或者在第一保护层和第二保护层上均设置有智能接线盒；只要能够使得第一汇流条穿过通孔连接于相应的智能接线盒，以及通过第二汇流条实现多个智能接线盒的串联即可。
通过上述技术方案，电池子串通过第一汇流条与智能接线盒电连接，两个智能接线盒之间通过第二汇流条连接，实现了多个智能接线盒的电连接。多个智能接线盒是相互独立的，根据智能接线盒之间的距离，选择合适尺寸的第二汇流条即可，这就提高了智能接线盒安装位置的灵活性。且，相对于现有技术中长度固定的线缆，本公开提供的光伏组件可以灵活具有多种尺寸，对应使用不同尺寸的第二汇流条将智能接线盒连接起来即可。当某一智能接线盒损坏时，只需更换该智能接线盒，其他智能接线盒不受影响。因此，本次本公开提供的光伏组件的生产维护成本较低。
其中，第一保护层和第二保护层之间为电池串层，智能接线盒位于第一保护层的外侧面上，和/或，位于第二保护层的外侧面上。
在一种可能的实现方式中，通孔可以均位于第一保护层上，第二汇流条具有中间段和位于中间段两侧的两个连接段，一个第二汇流条的中间段位于第一保护层和第二保护层之间，两个连接段分别穿过相应两个通孔连接于相应智能接线盒。在制作光伏组件时，可以先将第二汇流条的中间段与电池串层均摆放在第二保护层的相应位置上，然后将第一保护层叠放在电池串层上，最后就可以通过层压形成内部放置有第二汇流条中间段的光伏组件。这样避免了第二汇流条外露，减少漏电风险，还可以使得光伏组件外观整洁。并且，在制作时就可以根据相应两个通孔之间的距离选取尺寸合适的第二汇流条，然后只需要将智能接线盒与伸出的连接段连接即可，避免了现有技术中尺寸限制的问题。
在一种可能的实施例中，通孔的数量可以与智能接线盒的数量相同，一个第二汇流条的两个连接段分别穿过相邻两个通孔连接于相应智能接线盒。这样，第一汇流条可以沿着所有通孔的排列顺序依次设置，排列整齐有序， 使得光伏组件外观整洁。
为了使得光伏组件的外观更整洁漂亮，在智能接线盒与通孔的数量相同时，可以使得智能接线盒一一对应地覆盖通孔，这样，通孔就被智能接线盒盖住。可以使第二汇流条的连接段伸出通孔后直接连接于智能接线盒的底部，避免第二汇流条的连接段外露。
在一种可能的实施例中，第一汇流条包括隐藏段和穿过通孔的外露段，当第二汇流条中间段位于第一保护层和第二保护层之间时，第二汇流条的中间段可以位于第一汇流条的隐藏段和第一保护层之间或者位于第一汇流条的隐藏段和第二保护层之间，中间段与隐藏段层叠，且中间段与隐藏段之间绝缘。通过中间段与隐藏段层叠的方式，可以减少第一汇流条和第二汇流条所占面积，利于光伏组件结构紧凑，也可以使得一个通孔就能够同时穿过第一汇流条和第二汇流条。
当中间段与隐藏段层叠时，至少中间段具有绝缘层，且绝缘层与隐藏段接触；或者，中间段与隐藏段之间可以设置有绝缘介质，以使得第一汇流条和第二汇流条绝缘。当然，第一汇流条和第二汇流条可以均具有绝缘层，且两者的绝缘层相接触，可以提高两者之间绝缘性能。绝缘介质可以是软质的，也可以是硬质的。当为硬质时，可以为平板状，以便于叠置在第一汇流条和第二汇流条之间。
在一种可能的实现方式中，第一汇流条和电池子串的数量相同且均为2n，智能接线盒的数量为n，第二汇流条的数量为n-1，n为正整数，一个智能接线盒用于连接两个电池子串。例如，n可以为三，那么第一汇流条和电池子串的数量均为六，可以使通孔的数量也为三个，通孔沿图示横向间隔分布，智能接线盒对应设置在通孔附近，一个第二汇流条的两个连接段分别穿过相邻两个通孔连接于对应智能接线盒，一个第一汇流条穿过一个通孔连接于对应智能接线盒。
在一种可能的实施例中，第二汇流条可以包括绝缘层、以及依次设置在绝缘层至少一侧的导电层和焊接层。
其中，第二汇流条可以包括三层，即包括依次层叠的绝缘层、导电层和焊接层。这时，绝缘层与第一汇流条相贴合，以起到绝缘的作用。
或者，第二汇流条可以包括五层，即依次层叠的焊接层、导电层、绝缘层、导电层和焊接层。这时，第二汇流条和第一汇流条之间需要设置有绝缘介质，或，第一汇流条具有绝缘层，这时，第一汇流条也可以包括依次层叠的绝缘层、导电层和焊接层。
另外，第二汇流条可以代替第一汇流条的功能，例如，第二汇流条具有中段和两个端段，第一侧的中段焊接层与电池子串上的栅线连接，第二侧的中段焊接层贴合第一保护层或第二保护层，两个端段分别伸出相应的通孔，位于第一侧的一个端段的焊接层与相应智能接线盒连接以实现电池子串与相应智能接线盒的连接，位于第二侧的两个端段焊接层与相应智能接线盒连接，以实现两个智能接线盒的串联。
另外，汇流条的厚度可以为0.01mm-0.2mm，宽度可以为2mm-20mm。
附图简述
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1为本公开实施例提供的光伏组件的侧视示意图，其中通孔部分剖视；
图2为本公开实施例提供的光伏组件的俯视图；
图3为图2中A部分的放大图；并且
图4为本公开实施例提供的汇流条的横截面示意图。
详细描述
为了使本公开所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本公开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公开，并不用于限定本公开。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相 对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。“若干”的含义是一个或一个以上，除非另有明确具体的限定。
在本公开的描述中，需要理解的是，术语“上”、“下”、“前”、“后”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
在本公开的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
根据背景技术的描述，为了解决现有技术中三分体式智能接线盒对光伏组件尺寸要求过高，不能适应多种尺寸光伏组件，而导致光伏组件的生产维护成本高的问题，本公开提供一种光伏组件，该光伏组件包括智能接线盒和第二汇流条，通过第二汇流条将智能接线盒串联起来，这样，不同尺寸的光伏组件，对应使用不同尺寸的第二汇流条即可。从而解决了上述问题。
参考图1至图3所示，本公开提供的光伏组件包括第一保护层1、第二保护层2、多个智能接线盒3、第一汇流条4、第二汇流条5以及位于第一保护层1和第二保护层2之间的电池串层。电池串层包括多个电池子串6。
其中，第一保护层1和/或第二保护层2上设置有多个通孔7，每个第一汇流条4穿过相应通孔7电连接相应的电池子串6和智能接线盒3，相邻两个智能接线盒3之间通过第二汇流条5电连接。多个智能接线盒3可以位于第一保护层1上，或者，位于第二保护层2上，或者，在第一保护层1和第二保护层2上均设置有智能接线盒3；只要能够使得第一汇流条4穿过通孔7连接于相应的智能接线盒3，以及通过第二汇流条5实现多个智能接线盒3的串联即可。
通过上述技术方案，电池子串6通过第一汇流条4与智能接线盒3电连接，两个智能接线盒3之间通过第二汇流条5连接，实现了多个智能接线盒3的电连接。多个智能接线盒3是相互独立的，根据智能接线盒3之间的距离，选择合适尺寸的第二汇流条5即可，这就提高了智能接线盒3安装位置的灵活性。且，相对于现有技术中长度固定的线缆，本公开提供的光伏组件可以灵活具有多种尺寸，对应使用不同尺寸的第二汇流条5将智能接线盒3连接起来即可。当某一智能接线盒3损坏时，只需更换该智能接线盒3，其他智能接线盒3不受影响。因此，本次本公开提供的光伏组件的生产维护成本较低。
其中，第一保护层和第二保护层之间为电池串层，智能接线盒位于第一保护层的外侧面上，和/或，位于第二保护层的外侧面上。
智能接线盒3包括但不限于具有优化功能、关断功能、数据采集监控功能和通信功能等。多个智能接线盒3通过第二汇流条5实现连接。例如，电池子串6的数量为六个时，智能接线盒3的数量可以为三个，从而可以组成的三分体智能接线盒3。智能接线盒3的数量可以根据电池子串6的数量确定，只要能够使所有的电池子串6连接于智能接线盒3即可。
在本公开实施例中，上述保护层可以为玻璃板，也可以为其他材质的保护层，实用新型实施例对此不作限定。当该保护层位于光伏组件的向光面时，该保护层可以为玻璃板，当该保护层位于光伏组件的背光面时，该保护层可以为玻璃板，也可以为其他材质。
在一种可能的实现方式中，参考图1所示，通孔7可以均位于第一保护层1上，第二汇流条5具有中间段和位于中间段两侧的两个连接段，一个第二汇流条5的中间段位于第一保护层1和第二保护层2之间，两个连接段分别穿过相应两个通孔7连接于相应智能接线盒3。在制作光伏组件时，可以先将第二汇流条5的中间段与电池串层均摆放在第二保护层2的相应位置上，然后将第一保护层1叠放在电池串层上，最后就可以通过层压形成内部放置有第二汇流条5中间段的光伏组件。这样避免了第二汇流条5外露，减少漏电风险，还可以使得光伏组件外观整洁。并且，在制作时就可以根据相应两个通孔7之间的距离选取尺寸合适的第二汇流条5，然后只需要将智能接线盒3与伸出的连接段连接即可，避免了现有技术中尺寸限制的问题。
在一种可能的实施例中，参考图1所示，通孔7的数量可以与智能接线盒3的数量相同，一个第二汇流条5的两个连接段分别穿过相邻两个通孔7连接于相应智能接线盒3。这样，第一汇流条4可以沿着所有通孔7的排列顺序依次设置，排列整齐有序，使得光伏组件外观整洁。另外，通孔7的数量可以与智能接线盒3数量不同，例如，通孔7数量为两个，智能接线盒3数量为三个，所有的第二汇流条5的两个连接段分别从这两个通孔7伸出以与相应智能接线盒3连接。
参考图1和图3所示，为了使得光伏组件的外观更整洁漂亮，在智能接线盒3与通孔7的数量相同时，可以使得智能接线盒3一一对应地覆盖通孔7，这样，通孔7就被智能接线盒3盖住。可以使第二汇流条5的连接段伸出通孔7后直接连接于智能接线盒3的底部，避免第二汇流条5的连接段外露。具体的，可以使得连接段具有长度余量，利用第二汇流条5易于形变的特点，可以先将智能接线盒3与连接段连接，然后将智能接线盒3固定在第一保护层1上，使智能接线盒3的底部贴合第一保护层1，以使第二汇流条5连接段的长度余量部分容纳于通孔7和/或智能接线盒3底部空间中。
在一种可能的实施例中，第一汇流条4包括隐藏段和穿过通孔7的外露段，当第二汇流条5中间段位于第一保护层1和第二保护层2之间时，第二汇流条5的中间段可以位于第一汇流条4的隐藏段和第一保护层1之间或者位于第一汇流条4的隐藏段和第二保护层2之间，中间段与隐藏段层叠，且中间段与隐藏段之间绝缘。通过中间段与隐藏段层叠的方式，可以减少第一汇流条4和第二汇流条5所占面积，利于光伏组件结构紧凑，也可以使得一个通孔7就能够同时穿过第一汇流条4和第二汇流条5。例如，智能接线盒3和通孔7的数量均为三个，通孔7沿图示横向间隔分布，智能接线盒3对应设置在通孔7附近，一个第二汇流条5的两个连接段分别穿过相邻两个通孔7连接于对应智能接线盒3，一个第一汇流条4穿过一个通孔7连接于对应智能接线盒3。
参考图4所示，当中间段与隐藏段层叠时，至少中间段具有绝缘层91，且绝缘层91与隐藏段接触；或者，中间段与隐藏段之间可以设置有绝缘介质，以使得第一汇流条4和第二汇流条5绝缘。当然，第一汇流条4和第二汇流 条5可以均具有绝缘层91，且两者的绝缘层91相接触，可以提高两者之间绝缘性能。绝缘介质可以是软质的，也可以是硬质的。当为硬质时，可以为平板状，以便于叠置在第一汇流条4和第二汇流条5之间。
在一种可能的实现方式中，参考图1至图3所示，第一汇流条4和电池子串6的数量相同且均为2n，智能接线盒3的数量为n，第二汇流条5的数量为n-1，n为正整数，一个智能接线盒3用于连接两个电池子串6。例如，n可以为三，那么第一汇流条4和电池子串6的数量均为六，可以使通孔7的数量也为三个，通孔7沿图示横向间隔分布，智能接线盒3对应设置在通孔7附近，一个第二汇流条5的两个连接段分别穿过相邻两个通孔7连接于对应智能接线盒3，一个第一汇流条4穿过一个通孔7连接于对应智能接线盒3。
在一种可能的实施例中，第二汇流条5可以包括绝缘层91、以及依次设置在绝缘层91至少一侧的导电层92和焊接层93。
其中，第二汇流条5可以包括三层，参考图4所示，即包括依次层叠的绝缘层91、导电层92和焊接层93。这时，绝缘层91与第一汇流条4相贴合，以起到绝缘的作用。
或者，第二汇流条5可以包括五层，即依次层叠的焊接层93、导电层92、绝缘层91、导电层92和焊接层93。这时，第二汇流条5和第一汇流条4之间需要设置有绝缘介质，或，第一汇流条4具有绝缘层，这时，第一汇流条4也可以包括依次层叠的绝缘层91、导电层92和焊接层93。
另外，第二汇流条5可以代替第一汇流条4的功能，例如，第二汇流条5具有中段和两个端段，第一侧的中段焊接层93与电池子串6上的栅线8连接，第二侧的中段焊接层93贴合第一保护层1或第二保护层2，两个端段分别伸出相应的通孔7，位于第一侧的一个端段的焊接层93与相应智能接线盒3连接以实现电池子串6与相应智能接线盒3的连接，位于第二侧的两个端段焊接层93与相应智能接线盒3连接，以实现两个智能接线盒3的串联。
另外，第二汇流条5的厚度可以为0.01mm-0.2mm，宽度可以为2mm-20mm。
在上述实施方式的描述中，具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上所述，仅为本公开的具体实施方式，但本公开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公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以所述权利要求的保护范围为准。

Claims (9)

  1. 一种光伏组件，其特征在于，包括第一保护层、第二保护层、多个智能接线盒、第一汇流条、第二汇流条以及位于所述第一保护层和所述第二保护层之间的电池串层，所述电池串层包括多个电池串，所述多个智能接线盒位于所述第一保护层和/或所述第二保护层上；
    所述第一保护层和/或所述第二保护层上设置有多个通孔，每个所述第一汇流条穿过相应所述通孔电连接相应的所述电池串和所述智能接线盒，相邻两个所述智能接线盒之间通过所述第二汇流条电连接。
  2. 根据权利要求1所述的光伏组件，其特征在于，所述通孔的数量与所述智能接线盒的数量相同，所述通孔均位于所述第一保护层上，所述第二汇流条具有中间段和位于所述中间段两侧的两个连接段，一个所述第二汇流条的所述中间段位于所述第一保护层和所述第二保护层之间，两个所述连接段分别穿过相邻两个所述通孔连接于相应所述智能接线盒。
  3. 根据权利要求2所述的光伏组件，其特征在于，所述智能接线盒一一对应地覆盖所述通孔。
  4. 根据权利要求2所述的光伏组件，其特征在于，所述第一汇流条包括隐藏段和穿过所述通孔的外露段，所述第二汇流条的中间段位于所述第一汇流条的隐藏段和所述第一保护层或第二保护层之间，所述中间段与所述隐藏段层叠，且所述中间段与所述隐藏段之间绝缘。
  5. 根据权利要求4所述的光伏组件，其特征在于，至少所述中间段具有绝缘层，所述绝缘层与所述隐藏段接触；或者，所述中间段与所述隐藏段之间设置有绝缘介质。
  6. 根据权利要求1-5中任一项所述的光伏组件，其特征在于，所述第一汇流条和所述电池串的数量相同且均为2n，所述智能接线盒的数量为n，所述第二汇流条的数量为n-1，n为正整数，一个所述智能接线盒用于连接两个所述电池串。
  7. 根据权利要求1-5中任一项所述的光伏组件，其特征在于，所述第二汇流条包括绝缘层、以及依次设置在所述绝缘层至少一侧的导电层和焊接层。
  8. 根据权利要求7所述的光伏组件，其特征在于，所述导电层和焊接层依次设在所述绝缘层一侧。
  9. 根据权利要求7所述的光伏组件，其特征在于，所述汇流条的厚度为0.01mm-0.2mm，宽度为2mm-20mm。
PCT/CN2022/072042 2021-06-29 2022-01-14 一种光伏组件 WO2023273309A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202121463254.9U CN215644532U (zh) 2021-06-29 2021-06-29 一种光伏组件
CN202121463254.9 2021-06-29

Publications (1)

Publication Number Publication Date
WO2023273309A1 true WO2023273309A1 (zh) 2023-01-05

Family

ID=79946633

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/072042 WO2023273309A1 (zh) 2021-06-29 2022-01-14 一种光伏组件

Country Status (2)

Country Link
CN (1) CN215644532U (zh)
WO (1) WO2023273309A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117792264A (zh) * 2024-02-27 2024-03-29 晶科能源(海宁)有限公司 一种接线盒及光伏组件

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215644532U (zh) * 2021-06-29 2022-01-25 泰州隆基乐叶光伏科技有限公司 一种光伏组件

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007200712A (ja) * 2006-01-26 2007-08-09 Nissan Motor Co Ltd 組電池
CN109787549A (zh) * 2018-12-06 2019-05-21 上海晶澳太阳能科技有限公司 双玻光伏组件
CN211455703U (zh) * 2020-03-06 2020-09-08 中建材（宜兴）新能源有限公司 一种防隐裂的单玻组件结构
CN212161832U (zh) * 2020-05-13 2020-12-15 泰州隆基乐叶光伏科技有限公司 一种光伏组件
CN215644532U (zh) * 2021-06-29 2022-01-25 泰州隆基乐叶光伏科技有限公司 一种光伏组件

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007200712A (ja) * 2006-01-26 2007-08-09 Nissan Motor Co Ltd 組電池
CN109787549A (zh) * 2018-12-06 2019-05-21 上海晶澳太阳能科技有限公司 双玻光伏组件
CN211455703U (zh) * 2020-03-06 2020-09-08 中建材（宜兴）新能源有限公司 一种防隐裂的单玻组件结构
CN212161832U (zh) * 2020-05-13 2020-12-15 泰州隆基乐叶光伏科技有限公司 一种光伏组件
CN215644532U (zh) * 2021-06-29 2022-01-25 泰州隆基乐叶光伏科技有限公司 一种光伏组件

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117792264A (zh) * 2024-02-27 2024-03-29 晶科能源(海宁)有限公司 一种接线盒及光伏组件

Also Published As

Publication number Publication date
CN215644532U (zh) 2022-01-25

Similar Documents

Publication Publication Date Title
JP6932186B2 (ja) 太陽電池モジュール及び太陽電池アレイ
WO2023273309A1 (zh) 一种光伏组件
US20220149226A1 (en) Flexible photovoltaic assembly and manufacturing method therefor
EP4235804A2 (en) Solar cell assembly
EP3783670A1 (en) Shingled photovoltaic module with dual power generation units
WO2019214627A1 (zh) 太阳能电池串、串组、组件及其制备方法
CN208422933U (zh) 光伏组件
CN202231045U (zh) 太阳能电池组件
WO2020253717A1 (zh) 一种抗热斑超密排布光伏组件
WO2011130996A1 (zh) 具有多接线盒的太阳电池组件
CN211828801U (zh) 光伏组件
CN211125667U (zh) 一种太阳能电池组件及装置
CN112803888A (zh) 光伏组件
WO2020186987A1 (zh) 光伏组件
CN103094385A (zh) 光伏组件
WO2020103358A1 (zh) 一种太阳能电池片及太阳能电池组件
CN112186057B (zh) 一种并联-串联结构光伏组件
CN211480061U (zh) 光伏组件
CN110854224B (zh) 一种太阳能光伏组件及其组装方法
CN210182396U (zh) 太阳能电池片及光伏组件
CN208298839U (zh) 一种电池片、电池片矩阵及太阳能电池
CN102683458B (zh) 一种太阳能光伏发电装置
CN216213494U (zh) 光伏组件
WO2023273308A1 (zh) 一种光伏组件
CN219778905U (zh) 一种光伏组件

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22831145

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE