EP2294625A2 - Boîte de jonction et de raccordement électrique pour module solaire - Google Patents

Boîte de jonction et de raccordement électrique pour module solaire

Info

Publication number
EP2294625A2
EP2294625A2 EP09761751A EP09761751A EP2294625A2 EP 2294625 A2 EP2294625 A2 EP 2294625A2 EP 09761751 A EP09761751 A EP 09761751A EP 09761751 A EP09761751 A EP 09761751A EP 2294625 A2 EP2294625 A2 EP 2294625A2
Authority
EP
European Patent Office
Prior art keywords
connection
busbars
housing
solar cell
housing cover
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.)
Withdrawn
Application number
EP09761751A
Other languages
German (de)
English (en)
Inventor
Christian Rüggen
Kay-Hendryk Schmidt
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.)
Kostal Industrie Elektrik GmbH
Original Assignee
Kostal Industrie Elektrik GmbH
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 Kostal Industrie Elektrik GmbH filed Critical Kostal Industrie Elektrik GmbH
Publication of EP2294625A2 publication Critical patent/EP2294625A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/701—Structural association with built-in electrical component with built-in switch the switch being actuated by an accessory, e.g. cover, locking member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • 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 invention relates to an electrical connection and junction box for a solar cell module having a housing base and a housing cover comprehensive housing in which a first connection elements for electrically contacting the conductor strips of the solar cell module, second connection elements for electrically contacting the output lines and the first and second connection elements respectively Connected busbars comprehensive connection device is added.
  • connection device of such connection and connection boxes for solar cell modules contacts on the one hand the connection conductors of the solar cell modules, which are usually designed as thin conductor strips, and on the other hand contact e.g. to an inverter leading output lines.
  • the solar cells in a solar cell module are generally connected to each other with thin conductor strips. These conductor strips typically have a thickness of a few tenths of a millimeter and a width of a few millimeters. These conductor strips connecting the individual solar cells of the solar cell module are led out of the solar cell module, so that the thin conductor strips can be used directly for connection purposes.
  • connection device comprises so-called busbars which are produced as stamped and bent parts from a sheet material with a good electrical conductivity and serve to connect the potentials.
  • Busbars are used, for example, spring terminals or welded joints.
  • connection and junction box for a solar cell module according to the preamble of claim 1 has become known.
  • busbars are included with connection elements both for the conductor strips of the solar cell module and for electrically contacting the output lines in the housing base.
  • an additional circuit board for mounting the bypass diodes facilitates their replacement if necessary, but at the expense of a very complex overall structure.
  • connection and connection box according to the invention makes it possible to handle it very simply in the event of servicing, namely with an exceptionally simple and robust overall design.
  • first components of the connection device are firmly connected to the housing base, that second components of the connection device are fixedly connected to the housing cover, and that upon assembly of the housing cover with the housing base, the first and second components of the connection device are electrically contacted with each other ,
  • the busbars connected to the first connection elements are connected to the housing base and the busbars connected to the second connection elements are connected to the housing cover and, when the housing cover is joined to the housing base, interengage, in particular as blade contacts, and for cooperation with these provided contact tongues executed electrical contact elements.
  • a particularly good heat dissipation of the waste heat generated by the bypass diodes, which are also preferably accommodated in the connection and connection box, is achieved by soldering them as SMD components onto the busbars connected to the housing cover, in particular as large-area conductor tracks.
  • the electrical contacts of both the first connection elements with the conductor strips of the solar cell module and the second connection elements with the output lines are preferably realized by welded joints.
  • FIG. 1 shows a connection and junction box according to the invention in a
  • Fig. 2 the housing base of the connection and junction box of Fig. 1 with connecting conductors of a solar cell module
  • Fig. 3 the housing cover of the connection and connection box of FIG.
  • Fig. 2 is a housing base 1 of a junction box according to the invention and can be seen in a spatial view from above.
  • This housing base 1 is placed in a connection region of a solar cell module on this and attached thereto, for example by gluing.
  • the individual solar cells of the solar cell module which are not visible here, are connected to one another by thin conductor strips 4, which typically have a thickness of less than a tenth of a millimeter and a width of a few millimeters. These thin conductor strips 4 are led out of the solar cell module in the connection region and can be used directly there for connection purposes.
  • the connection device comprises a plurality of busbars 7, 8 produced as stamped and bent parts from a sheet material with good electrical conductivity, which serve to connect the potentials within the connection device.
  • the busbars 7 of the housing base 1 are provided with from the plane parallel to the surface of the solar cell module plane upwardly angled connecting elements 3. With these connection elements 3, the thin conductor strips 4 of the solar cell module are connected by welded joints e- lektrisch and mechanically. Further, also from the plane parallel to the surface of the solar cell module plane vertically upwards angled sections of the busbars are designed as blade contacts 10, which are provided for contacting associated mating contacts 1 1 in the housing cover 2.
  • the blade contacts 10 are in isolation shafts 10 'added, which are integrally formed on the housing base 1.
  • the housing cover 2 also contains busbars 8, which are designed in this case as a large-area conductor tracks.
  • the busbars 8 are inserted in the manufacture as a one-piece stamped grid in the housing cover 2, wherein on the housing cover 2 molded Positi- projecting and holding domes 12 protrude through holes in the stamped grid. The positioning and holding domes 12 are then caulked in their upper region, whereby the individual sections of the stamped grid are then clearly fixed and can be separated to separate the different potentials at designated separation points 8 '.
  • the busbars 8 of the housing cover 2 are provided with connecting elements 5 which are vertically angled away from their main extension plane. With these connection elements 5 leading to other solar cell modules or to an inverter output lines 6 of the solar cell module are electrically and mechanically firmly connected by welded joints.
  • the output lines 6 are designed as insulated round conductors. These are introduced either directly into a recognizable at the front of the housing cover 2 connection opening, fixed by a union nut and welded with its stripped conductor to the connection element 5, or provided with a connector whose mating contact 13, as seen in the drawing, in the Inserted connection opening and welded to the connection element 5.
  • the contact tongues 1 provided for contacting the blade contacts 1 provided in the housing base 1 are also perpendicularly angled away from the main extension plane of the busbars 8 of the housing cover 2.
  • the bypassing diodes 9 of the connection elements are also connected to the busbars 8 of the housing cover 2. and junction box. These bypass diodes 9 are connected in antiparallel to the solar cells and cause, in the case of a shaded solar cell within a solar cell module, this solar cell does not make any contribution to the total voltage of the solar cell module, the current flow is nevertheless maintained.
  • the solar cell module thus shows only a reduced operating voltage, but does not completely fail, as would be the case without the bypass diodes 9.
  • bypass diodes 9 are mounted as SMD components on the busbars 8 and are soldered to the busbars 8 in a reflow soldering process.
  • the one connection of the bypass diodes 9 is formed by the visible in the drawing legs the other terminal is located on the bottom of the components.
  • connection and junction box as shown in Fig. 1 is completed by the contact tongues 1 1 of the busbars 8 of Housing cover 2 engage in the blade contacts 10 of the busbars 7 of the housing base 1 and thus establish the electrical connection between the conductor strips 4 of the solar cell module and the output lines 6.
  • molded clip hooks 14 engage in associated clip openings 15 of the housing base 1 a and ensure a fast and secure attachment of the housing parts 1, 2 to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne une boîte de jonction et de raccordement électrique pour module solaire, constituée d'un boîtier composé d'une base et d'un couvercle et dans lequel est logé un dispositif de raccordement constitué de premiers éléments de raccordement permettant la mise en contact électrique des bandes conductrices du module solaire, de seconds éléments de raccordement permettant la mise en contact électrique des lignes de sortie et de barres omnibus reliées aux premiers et seconds éléments de raccordement. L'invention se caractérise en ce que des premiers composants du dispositif de raccordement sont solidarisés à la base du boîtier; des seconds composants du dispositif de raccordement sont solidarisés au couvercle du boîtier et les premiers et seconds composants du dispositif de raccordement sont mis en contact électrique lorsque le couvercle et la base du boîtier sont assemblés.
EP09761751A 2008-06-14 2009-06-10 Boîte de jonction et de raccordement électrique pour module solaire Withdrawn EP2294625A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008028462A DE102008028462A1 (de) 2008-06-14 2008-06-14 Elektrische Anschluss- und Verbindungsdose für ein Solarzellenmodul
PCT/EP2009/057215 WO2009150189A2 (fr) 2008-06-14 2009-06-10 Boîte de jonction et de raccordement électrique pour module solaire

Publications (1)

Publication Number Publication Date
EP2294625A2 true EP2294625A2 (fr) 2011-03-16

Family

ID=41317831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09761751A Withdrawn EP2294625A2 (fr) 2008-06-14 2009-06-10 Boîte de jonction et de raccordement électrique pour module solaire

Country Status (4)

Country Link
US (1) US8197263B2 (fr)
EP (1) EP2294625A2 (fr)
DE (1) DE102008028462A1 (fr)
WO (1) WO2009150189A2 (fr)

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DE102008062034B4 (de) * 2008-12-12 2010-08-12 Tyco Electronics Amp Gmbh Verbindungsvorrichtung zum Anschluss an ein Solarmodul und Solarmodul mit einer solchen Verbindungsvorrichtung
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DE102010030478A1 (de) 2010-06-24 2011-12-29 Semikron Elektronik Gmbh & Co. Kg Verbindungseinrichtung anordenbar zu einem Photovoltaikmodul
US8137115B1 (en) * 2010-09-17 2012-03-20 Delta Electronics, Inc. Junction box and conductor strip connection device thereof
DE102010043909A1 (de) * 2010-11-15 2012-05-16 Robert Bosch Gmbh Anschlussdose eines Solarzellenmoduls, Solarzellenmodul und Verfahren zu dessen Herstellung
DE102011009005B4 (de) 2011-01-14 2014-07-31 Solon Se Elektrische Anschlussdose für ein Photovoltaikmodul
DE102011009717A1 (de) 2011-01-29 2012-08-02 Kostal Industrie Elektrik Gmbh Elektrische Anschluss- und Verbindungsdose für ein Solarzellenmodul sowie Verfahren zur Herstellung einer elektrischen Verbindung
KR101796045B1 (ko) 2011-04-12 2017-11-10 엘지전자 주식회사 태양광 모듈
GB2490499A (en) 2011-05-03 2012-11-07 Solaredge Technologies Ltd Junction box assembly for electrical connections to photovoltaic panels
US8748743B2 (en) * 2011-07-05 2014-06-10 Hon Hai Precision Industry Co., Ltd. Junction box improved locking portion
JP5729648B2 (ja) * 2011-10-13 2015-06-03 ホシデン株式会社 太陽電池モジュール用端子ボックス
CN202534666U (zh) * 2012-04-12 2012-11-14 浙江佳明天和缘光伏科技有限公司 一种太阳能电池接线盒
DE102012014695B4 (de) * 2012-07-25 2019-12-24 Phoenix Contact Gmbh & Co. Kg Wechselrichter mit mehreren Wanddurchführungen
CN103894837B (zh) * 2014-02-26 2016-03-02 常熟市福莱德连接器科技有限公司 一种接线盒盒盖成型工艺
CN205051644U (zh) * 2015-08-26 2016-02-24 泰科电子(上海)有限公司 光伏接线盒
CN205017265U (zh) * 2015-08-26 2016-02-03 泰科电子(上海)有限公司 光伏接线盒
US10557646B1 (en) * 2016-07-11 2020-02-11 Nextracker Inc. Sensing and feedback for row on sun tracking method and system
CN111418115B (zh) * 2017-12-06 2022-05-03 日本瑞翁株式会社 连接设备
US11251746B2 (en) 2018-11-20 2022-02-15 Nextracker Inc. Staged stowage of solar trackers and method thereof
TWI733227B (zh) * 2019-10-25 2021-07-11 群光電能科技股份有限公司 具有結合結構之殼體裝置
US11894729B2 (en) * 2021-03-13 2024-02-06 Hamilton Sundstrand Corporation Alternating current connection housing with integrated inserts

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Also Published As

Publication number Publication date
US20110092094A1 (en) 2011-04-21
WO2009150189A2 (fr) 2009-12-17
US8197263B2 (en) 2012-06-12
WO2009150189A3 (fr) 2011-01-20
DE102008028462A1 (de) 2009-12-17

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