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WO2012013013A1 - Boîte de jonction pour réseau photovoltaïque - Google Patents

Boîte de jonction pour réseau photovoltaïque Download PDF

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Publication number
WO2012013013A1
WO2012013013A1 PCT/CN2011/001133 CN2011001133W WO2012013013A1 WO 2012013013 A1 WO2012013013 A1 WO 2012013013A1 CN 2011001133 W CN2011001133 W CN 2011001133W WO 2012013013 A1 WO2012013013 A1 WO 2012013013A1
Authority
WO
WIPO (PCT)
Prior art keywords
junction box
module
cable
disposed
working circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/001133
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English (en)
Chinese (zh)
Inventor
陈新初
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2012013013A1 publication Critical patent/WO2012013013A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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 invention relates to a photovoltaic module junction box. Background technique
  • a photovoltaic cell is a device that directly converts solar radiation energy into electrical energy.
  • a photovoltaic component is a product that is connected and packaged by a plurality of photovoltaic cells, and is a basic unit of a battery array in a photovoltaic power generation system.
  • the PV module junction box is the key connection device for the solar module system. The function of the junction box is to prevent the hot spot effect when the solar module is partially blocked. If the junction box is damaged or the connection is not secure, the junction box will not work properly. When the solar module is partially blocked, the entire solar module system will not work normally. The blocked part will emit a lot of heat and will burn out badly. Component. At present, the working circuit path of the PV module junction box is placed in the sealed junction box.
  • the object of the invention is to provide a photovoltaic module junction box with better heat dissipation performance.
  • a photovoltaic module junction box which comprises a junction box body, a working circuit module, a heat dissipation module and a connection module, wherein the junction box body has a receiving cavity, The accommodating cavity is sealed with the outside air, the working circuit module includes a working circuit and a plurality of pins electrically connected to the working circuit, and the working circuit is disposed outside the accommodating cavity, The pin is disposed inside the accommodating cavity, the heat dissipating module is disposed outside the working circuit, and the connecting module comprises a positive connecting device and a negative connecting device, and the positive connecting device The negative connection device is electrically connected to the corresponding pin inside the accommodating cavity.
  • the junction box body comprises a side wall extending in a direction of a yoke and closed around a yoke, the bottom end of the side wall extending in a meandering plane to form a flange, the flange passing through the sealant Attached to the surface of the photovoltaic module, the top end of the side 3 ⁇ 4 is covered with a cover, and the top end of the side wall and the cover are provided with a sealing member.
  • the working circuit module includes a substrate, a working circuit fixedly disposed on the substrate, and a pin electrically connected to the manufacturing circuit, and the substrate and the manufacturing device
  • the outer sleeve of the circuit is provided with a heat dissipating module, and the pin protrudes into the accommodating cavity through a pin hole on the terminal box body.
  • a seal is disposed between the pin and the pin hole.
  • a mechanism along the X-axis direction is disposed between the substrate and the heat dissipation module, and the junction box body and the heat dissipation module are disposed along a direction of a x-axis Guiding mechanism.
  • the junction box body is made of a plastic material
  • the heat dissipation module is made of a metal material.
  • the heat dissipating module is formed with heat dissipating fins on at least part of its surface.
  • the junction box body has a pair of cable passages communicating with the accommodating cavity, the positive connection device comprising a cable and a positive connection at one end of the cable
  • the negative connection device includes a cable and a negative connection mechanism at one end of the cable, and the other ends of the cables of the positive connection device and the negative connection device respectively extend through corresponding cable channels. And into the accommodating cavity and electrically connected to corresponding pins.
  • a sealing mechanism is disposed in the cable passage.
  • the cable channel is formed with a filling channel, and the sealing channel is provided with a sealing filling, wherein the sealing block has a sealed channel inside, and the sealing channel is provided with a sealing channel
  • the sealing ring, the other end of the cable of the positive connecting device and the negative connecting device respectively passes through the corresponding cable channel and the sealing channel, and then extends into the receiving cavity and the corresponding pins are electrically connected.
  • the photovoltaic module junction box of the present invention has a heat dissipation module which is disposed directly on the outside and is provided with an accelerated heat dissipation module, compared to the conventional junction box.
  • the heat dissipation capability of the junction box of the photovoltaic module is strengthened, thereby not only solving the sealing problem in the prior art, but also solving the technical problem that the power cannot be increased.
  • FIG. 1 is a perspective view of an embodiment of a photovoltaic module junction box of the present invention
  • FIG. 2 is a schematic diagram of a standing break (front side) of an embodiment of a photovoltaic module junction box of the present invention
  • FIG 3 is a perspective view (reverse view) of a three-dimensional splitting of the embodiment of the photovoltaic module junction box of the invention.
  • 101 junction box body; 102, accommodating cavity; 103a, cable channel; 103b, cable channel; 104a, block channel; 104b, block channel; 105a, fastening channel; 105b, tight Solid channel; 106, sealed block; 106a, sealed channel;
  • circuit module 202, substrate: 203, ⁇ -made circuit; 204, pin; 205, bump; 301, heat dissipation module; 302, heat sink fin; 303, groove; 401, positive connection device; , negative connection device; 403, cable; 404, cable; 405, positive connection mechanism; 406, negative connection mechanism.
  • the photovoltaic module junction box in this embodiment includes a junction box body 101, a working circuit module 201, a heat dissipation module 301, and connection modules 401, 402.
  • the junction box body 101 can be made of plastic material once.
  • Forming, the heat dissipation module 301 can be made of a metal material.
  • the junction box body 101 includes a side wall extending in the direction of the x-axis and closed around the x-axis, the bottom end of the side wall extending in a meandering plane to form a flange, convex
  • the edge is attached to the surface of the photovoltaic module by a sealant.
  • the top end of the side wall is covered with a cover body 1 1 , and a sealing member 1 12 is disposed between the top end of the side wall and the cover body 1 1 1 1 to form a gas-liquid phase with the outside.
  • the sealed accommodating cavity 102 in other embodiments of the present invention, the flange may cover the entire bottom surface to form an opening-up space, and the junction box body 101 formed by covering the space through the cover 111 may not be limited to the sticker. How to use the surface of the PV module.
  • the junction box body 101 has a pair of cable passages 103a, i03b that are electrically connected to the accommodating cavity 102. In a preferred embodiment of the present invention, both ends of the junction box body 101 respectively extend downward in the Y-axis direction to form a pair of cable passages 103a.
  • Blocking passages 104a, 104b are formed, which block the cable passages 103a, 103b.
  • the sealing block 106 has a sealed passage 106a inside. When the sealing block 106 is embedded in the block passage 104a along the Z-axis direction, 104b can connect the cable passages 103a, 103b, and the sealing passage 106a is provided with a sealing ring 107, thereby ensuring the sealing performance of the accommodating cavity 102.
  • the cable passages 103a, 103b are also formed with fastening passages 105a, 105b along the Z-axis direction.
  • the fastening passages 105a, 105b respectively penetrate the corresponding cable passages 103a, 103b, and fasten the passage 105a.
  • a pressing block 108 is installed in the 105b, and the cross section of the pressing block 108 is adapted to the cross section of the tight
  • a polygonal cross section for example, a pentagon, a hexagon, etc. may be employed.
  • one side of the polygonal block 108 having a polygonal cross section presses the outer skin of the cable at the intersecting position, thereby functioning as a fixed cable; More preferably, at least one groove extending along the Z axis is formed on the outer wall of the pressing block 108 against the cable sheath, so that when the pressing block 108 presses the outer skin of the cable, a part of the outer skin of the cable is trapped therein. The inside of the groove enhances the effect of the stop.
  • the working circuit module 201 includes a substrate 202, a working circuit 203 fixedly disposed on the substrate 202, and a pin 204 electrically connected to the working circuit 203.
  • the substrate 202 has a flat shape; the heat dissipating module 301 has a U-shaped cross section and thus has a cross section
  • the inner cavity of the receiving substrate 202 has at least part of its surface formed with heat dissipating fins 302 to enhance the heat dissipation effect; the length of the heat dissipating module 301 in the X-axis direction is slightly longer than the substrate 202, and between the substrate 202 and the heat dissipating module 301 Provided with an orientation mechanism along the X-axis direction, the upper surface of the substrate 202 is formed with a protrusion 205 extending in the X-axis direction, and the heat dissipation module 301 has a groove 303 corresponding to the position of the protrusion 205, and the guiding mechanism will
  • the guiding mechanism is specifically a protrusion 113 on both sides of the heat dissipation module 301.
  • the protrusion U3 is received in the heat dissipation module 301 during the process of sliding the heat dissipation module 301 into the receiving cavity along the axial direction.
  • the pin 204 is inserted into the accommodating cavity 102 through the pin hole 110 on the junction box body 101, and a sealing member 207 is disposed between the pin 204 and the pin hole 110. .
  • the clamping circuit 203 on the substrate 202 is in the inner cavity of the ten heat dissipating module 301 in this process, and the ⁇ pin 204 is in the ten-sealed receiving cavity 102. Therefore, the heat dissipation effect of the working circuit 203 having a large heat generation is remarkable in the air.
  • the connection module includes a positive connection device 401 and a negative connection device 402.
  • the positive connection device 401 includes a cable 403 and a positive connection mechanism 405 at one end of the cable 403.
  • the negative connection device 402 includes a cable 404 and is located at the cable.
  • connection mechanism 406 of the 404-end, the positive connection mechanism 405 and the negative connection mechanism 406 are respectively used to interconnect with the corresponding connection mechanism of the photovoltaic module or other photovoltaic module junction box; the cable 403 of the positive connection device 401 and the negative connection device 402
  • the other end of the 404 passes through the corresponding cable passages 103a, 103b and the sealing passage 106a, respectively, and extends into the accommodating cavity 102 and is electrically connected to the corresponding pin 204.
  • the connection process It is realized by the connecting piece 109, one end of the connecting piece 109 is welded and fixed to the core wire of the cables 403, 404, and the other end is inserted and connected to Description

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne une boîte de jonction pour réseau photovoltaïque comprenant : un corps de boîte de jonction (101), un module de circuit de service (201), un module de refroidissement (301), et deux modules de connexion (401, 402). La boîte de jonction comporte également une cavité d'accueil (102) qui est scellée de façon étanche à l'air. Le module de circuit de service comprend un circuit de service (203) et plusieurs broches (204) branchées sur celui-ci. Le circuit de service est disposé sur l'extérieur de la cavité d'accueil, tandis que les broches sont disposées à l'intérieur de ladite cavité. Le module de refroidissement est disposé sur l'extérieur du circuit de service. Les modules de connexion comprennent un dispositif de connexion de cathode (401) et un dispositif de connexion d'anode (402), tous deux respectivement reliés aux broches correspondantes à l'intérieur de la cavité d'accueil. La boîte de jonction pour réseau photovoltaïque de l'invention présente une meilleure capacité de refroidissement, ce qui résout les problèmes de la technique existante liés au scellement et à l'incapacité à augmenter la puissance.
PCT/CN2011/001133 2010-07-30 2011-07-08 Boîte de jonction pour réseau photovoltaïque Ceased WO2012013013A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010241717A CN101976970B (zh) 2010-07-30 2010-07-30 光伏组件接线盒
CN201010241717.7 2010-07-30

Publications (1)

Publication Number Publication Date
WO2012013013A1 true WO2012013013A1 (fr) 2012-02-02

Family

ID=43576824

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/001133 Ceased WO2012013013A1 (fr) 2010-07-30 2011-07-08 Boîte de jonction pour réseau photovoltaïque

Country Status (2)

Country Link
CN (1) CN101976970B (fr)
WO (1) WO2012013013A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201796909U (zh) * 2010-07-30 2011-04-13 陈新初 一种光伏组件接线盒
CN101976970B (zh) * 2010-07-30 2012-10-10 苏州固锝新能源科技有限公司 光伏组件接线盒
CN102263148A (zh) * 2011-06-23 2011-11-30 无锡国盛精密模具有限公司 太阳能光伏组件接线盒
CN102306672B (zh) * 2011-09-30 2013-04-17 苏州固锝新能源科技有限公司 模块化接线盒
CN102544163B (zh) * 2012-03-02 2014-01-22 苏州固锝新能源科技有限公司 光伏旁路保护装置
CN102544164B (zh) * 2012-03-02 2014-07-09 苏州固锝新能源科技有限公司 光伏旁路集成保护装置
CN102769056A (zh) * 2012-08-09 2012-11-07 苏州乐开塑胶模具有限公司 光伏组件接线盒
CN102810589A (zh) * 2012-08-09 2012-12-05 苏州乐开塑胶模具有限公司 一种光伏组件接线盒
CN103795338A (zh) * 2012-11-01 2014-05-14 阿特斯(中国)投资有限公司 光伏组件及其光伏组件接线盒
CN103795339B (zh) * 2012-11-01 2016-08-03 阿特斯(中国)投资有限公司 光伏系统及其光伏组件接线盒
CN104184405A (zh) * 2014-08-07 2014-12-03 英利能源（中国）有限公司 一种光伏组件输出连接装置
CN105048957B (zh) * 2015-06-26 2017-04-12 晶澳（扬州）太阳能科技有限公司 一种智能光伏组件多功能接线盒

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CN1577980A (zh) * 2003-07-21 2005-02-09 蒂科电子Amp有限责任公司 用于太阳电池板的连接盒以及太阳电池板
US20080110490A1 (en) * 2006-11-15 2008-05-15 Tyco Electronics Corporation Photovoltaic connection system
CN101388530A (zh) * 2008-07-04 2009-03-18 励国庆 一种接线盒
WO2010052207A2 (fr) * 2008-11-07 2010-05-14 Tyco Electronics Amp Gmbh Dispositif de raccordement pour un module solaire photovoltaïque
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CN201781440U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒的线缆连接机构
CN201781441U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒的线缆密封机构
CN201781443U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒
CN201781442U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒的线缆固定机构
CN201796931U (zh) * 2010-07-30 2011-04-13 陈新初 光伏组件接线盒的密封机构
CN201796909U (zh) * 2010-07-30 2011-04-13 陈新初 一种光伏组件接线盒

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JP3999098B2 (ja) * 2002-10-18 2007-10-31 矢崎総業株式会社 電気接続箱
CN101741035B (zh) * 2010-02-08 2012-02-01 许建方 一种太阳能接线盒

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1577980A (zh) * 2003-07-21 2005-02-09 蒂科电子Amp有限责任公司 用于太阳电池板的连接盒以及太阳电池板
US20080110490A1 (en) * 2006-11-15 2008-05-15 Tyco Electronics Corporation Photovoltaic connection system
CN101388530A (zh) * 2008-07-04 2009-03-18 励国庆 一种接线盒
WO2010052207A2 (fr) * 2008-11-07 2010-05-14 Tyco Electronics Amp Gmbh Dispositif de raccordement pour un module solaire photovoltaïque
CN101976970A (zh) * 2010-07-30 2011-02-16 陈新初 光伏组件接线盒
CN201781440U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒的线缆连接机构
CN201781441U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒的线缆密封机构
CN201781443U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒
CN201781442U (zh) * 2010-07-30 2011-03-30 陈新初 光伏组件接线盒的线缆固定机构
CN201796931U (zh) * 2010-07-30 2011-04-13 陈新初 光伏组件接线盒的密封机构
CN201796909U (zh) * 2010-07-30 2011-04-13 陈新初 一种光伏组件接线盒

Also Published As

Publication number Publication date
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CN101976970B (zh) 2012-10-10

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