JP2003229592A - Terminal box for solar battery module - Google Patents

Terminal box for solar battery module

Info

Publication number
JP2003229592A
JP2003229592A JP2002024330A JP2002024330A JP2003229592A JP 2003229592 A JP2003229592 A JP 2003229592A JP 2002024330 A JP2002024330 A JP 2002024330A JP 2002024330 A JP2002024330 A JP 2002024330A JP 2003229592 A JP2003229592 A JP 2003229592A
Authority
JP
Japan
Prior art keywords
box
connector
terminal
molding
cable
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.)
Granted
Application number
JP2002024330A
Other languages
Japanese (ja)
Other versions
JP3769509B2 (en
Inventor
Yutaka Hattori
豊 服部
Original Assignee
Kitani Denki Kk
木谷電器株式会社
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 Kitani Denki Kk, 木谷電器株式会社 filed Critical Kitani Denki Kk
Priority to JP2002024330A priority Critical patent/JP3769509B2/en
Publication of JP2003229592A publication Critical patent/JP2003229592A/en
Application granted granted Critical
Publication of JP3769509B2 publication Critical patent/JP3769509B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED 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

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate troublesome installation work of a terminal box B. <P>SOLUTION: A pair of terminal boards 20, 20 for connection of electrode (a) of a solar battery module M are allocated within a resin box 11, the connection connectors 40, 60 of external connection cable P are integrally formed with the insertion molding on a side wall of the box 11, and the connector 40 is connected to the terminal board 20. When the terminal box B and cable P are connected via the connector, the connector can be transported and installed easily under the condition that the terminal box B and cable P are separated, because the connector is detachable. When the molding temperature of the resin forming the box 11 is higher than the heat-resistant temperature of the connector 40, a burr-stop ring 50 is engaged with the inserting portion of the connector 40 to covering the inserting portion. Accordingly, thermal conduction during the molding process can be controlled, deformation of the connector 40 can also be prevented and forming burr due to the gap with the molding die resulting from deformation can also be prevented. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【発明の属する技術分野】この発明は、太陽光エネルギ
ーを電気エネルギーに直接変換する太陽光発電システム
を構成する太陽電池モジュールを相互に接続する際に使
用する端子ボックスに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal box used when interconnecting solar cell modules constituting a solar power generation system that directly converts solar energy into electric energy.
【0002】[0002]
【従来の技術】太陽光電池システムは、図13に示すよ
うに、家屋の屋根に太陽電池パネル(太陽電池モジュー
ル)Mを配設し、そのモジュールMから接続箱Q、イン
バータR、分配盤Sを介して各種電気機器Eに電力供給
する。太陽電池モジュールMは全てが面一となるように
配置され、端子ボックスBを介して直列又は並列に接続
する(図11、12参照)。端子ボックスBはシール材
による水密性を維持してモジュールMの裏面に接着固定
される。
2. Description of the Related Art In a solar cell system, as shown in FIG. 13, a solar cell panel (solar cell module) M is arranged on the roof of a house, and a connection box Q, an inverter R, and a distribution board S are installed from the module M. Electric power is supplied to various electric appliances E via The solar cell modules M are arranged so that they are all flush with each other, and are connected in series or in parallel via a terminal box B (see FIGS. 11 and 12). The terminal box B is adhesively fixed to the back surface of the module M while maintaining the watertightness of the sealing material.
【0003】その端子ボックスBは、従来、特開平11
−26035号公報などに記載された図14、15に示
す構成である。すなわち、上面開口のボックス本体1内
に、太陽電池モジュールのプラス電極a及びマイナス電
極aが接続される対の端子板2、2を並列して配設し、
その両端子板2、2間に逆流防止用バイパスダイオード
3を設けるとともに、両端子板2、2にはそれぞれ外部
接続用ケーブルPを接続した構成である。
The terminal box B is conventionally disclosed in Japanese Patent Laid-Open No.
14 and 15 described in Japanese Patent Laid-Open No. 26035 and the like. That is, a pair of terminal plates 2 and 2 to which the positive electrode a and the negative electrode a of the solar cell module are connected are arranged in parallel in the box body 1 having the upper opening.
A bypass diode 3 for preventing backflow is provided between the two terminal plates 2 and 2, and an external connection cable P is connected to each of the terminal plates 2 and 2.
【0004】この構成の端子ボックスBは、まず、ボッ
クス本体1の底面から立ち上がった突起4に端子板2を
その孔5を介して嵌合し、その突起4を、かしめたり、
超音波により溶かし拡径して端子板2をボックス本体1
に固定する。
In the terminal box B having this structure, first, the terminal plate 2 is fitted into the protrusion 4 rising from the bottom surface of the box body 1 through the hole 5, and the protrusion 4 is caulked.
It is melted by ultrasonic waves and expanded to expand the terminal plate 2 to the box body 1
Fixed to.
【0005】ダイオード3は、そのリード線3aを端子
板2の孔2aに挿入して半田付けにより端子板2に接続
する。外部接続用ケーブルPは、ボックス本体1にその
側壁6を通って導入され、その側壁導入部は、側壁6を
半円形に切欠いた受座7と、その受座7にケーブルPを
介在して被せられた固定板8とから成り、その固定板8
は超音波溶接、ビス止めなどによってボックス本体1に
固定する。ボックス本体1内にはシリコン樹脂を充填し
たり、パッキングを介在して防水及びダイオード3等の
固定をした後、カバー9を被せる。
The diode 3 has its lead wire 3a inserted into the hole 2a of the terminal plate 2 and connected to the terminal plate 2 by soldering. The cable P for external connection is introduced into the box body 1 through the side wall 6 thereof, and the side wall introduction portion has a seat 7 formed by cutting the side wall 6 in a semicircular shape and the cable P interposed in the seat 7. The fixed plate 8 covered with the fixed plate 8
Is fixed to the box body 1 by ultrasonic welding, screwing or the like. The box body 1 is filled with a silicone resin, and after waterproofing and fixing of the diode 3 and the like with a packing interposed, a cover 9 is put on.
【0006】[0006]
【発明が解決しようとする課題】従来の端子ボックスB
は、ケーブルPを一体に接続しているため、移送時及び
設置時、そのケーブルPが絡み付き煩わしく、作業性が
悪い。
The conventional terminal box B
Since the cables P are integrally connected, the cables P are entangled and troublesome during transfer and installation, resulting in poor workability.
【0007】この発明は、その煩わしさを解決すること
を課題とする。
An object of the present invention is to solve the trouble.
【0008】[0008]
【課題を解決するための手段】上記課題を解決するため
に、この発明は、端子ボックスと外部接続用ケーブルを
コネクタを介して接続することとしたのである。コネク
タは、切り離しが自在のため、端子ボックスとケーブル
は切り離される状態で、移送及び設置をすることができ
る。
In order to solve the above problems, the present invention is designed to connect a terminal box and an external connection cable via a connector. Since the connector can be detached freely, the terminal box and the cable can be transported and installed in a state of being detached.
【0009】[0009]
【発明の実施の形態】この発明の実施形態としては、樹
脂製ボックス本体内に、太陽電池モジュールのプラス電
極及びマイナス電極が接続される対の端子板を配設する
とともに、ボックス本体の側壁に外部接続用ケーブルの
接続用コネクタをインサート成形により一体に設け、そ
のコネクタの端子と前記端子板を接続した構成を採用し
得る。
BEST MODE FOR CARRYING OUT THE INVENTION As an embodiment of the present invention, a pair of terminal plates to which a plus electrode and a minus electrode of a solar cell module are connected are provided in a resin box body, and a side wall of the box body is provided. It is possible to adopt a configuration in which the connector for connection of the external connection cable is integrally provided by insert molding, and the terminal of the connector is connected to the terminal plate.
【0010】この構成において、コネクタ(ハウジン
グ)の耐熱温度よりボックス本体成形樹脂の成形温度が
高い場合には、コネクタのインサート部にその部分を被
うバリ止めリングを嵌めるとよい。このようにすれば、
ボックス本体の成形時、そのリングによって熱伝導が抑
制されて、コネクタの変形が防止されるとともに、その
変形による成形型との間隙も生じず、その間隙によって
生じるバリの発生もなくなる。
In this structure, when the molding temperature of the box body molding resin is higher than the heat resistant temperature of the connector (housing), it is preferable to fit a deburring ring that covers the insert portion of the connector. If you do this,
At the time of molding the box body, heat conduction is suppressed by the ring, deformation of the connector is prevented, and a gap with the molding die due to the deformation does not occur, and burrs caused by the gap are eliminated.
【0011】[0011]
【実施例】一実施例を図1乃至図6に示し、上面開口の
ABS樹脂製長方形状ボックス本体11内に、太陽電池
モジュールMのプラス電極a及びマイナス電極aが接続
される対の端子板20、20を並列に配設している。そ
の両電極a、aは透孔11aを通して端子板20の中程
21に半田付けされる。端子板20にはその一端20a
でもって雄コネクタ40の端子41に接続されており、
この雄コネクタ40と端子板20は本体11の成形時に
インサートされる。両端子板20、20間には、必要に
応じて逆流防止用バイパスダイオード3が半田付けられ
る。このダイオード3の取付けは、端子板20のインサ
ート後でも、インサート前でもよい。ボックス本体11
の上面開口にはシリコンゴム等の熱可塑性エラストマー
製のカバー30を防水リング31を介し嵌着して防水性
とする。ボックス本体11の裏面はシボ加工し、その裏
面の接着テープ12でもって端子ボックスBを固定す
る。
EXAMPLE One example is shown in FIGS. 1 to 6, and a pair of terminal plates to which a plus electrode a and a minus electrode a of a solar cell module M are connected in a rectangular box body 11 made of ABS resin having an upper opening. 20 and 20 are arranged in parallel. The electrodes a, a are soldered to the middle 21 of the terminal plate 20 through the through hole 11a. One end 20a of the terminal board 20
Therefore, it is connected to the terminal 41 of the male connector 40,
The male connector 40 and the terminal board 20 are inserted when the main body 11 is molded. A backflow prevention bypass diode 3 is soldered between the two terminal plates 20, 20, if necessary. The diode 3 may be attached after inserting the terminal plate 20 or before inserting it. Box body 11
A cover 30 made of a thermoplastic elastomer such as silicon rubber is fitted to the upper opening of the via a waterproof ring 31 to make it waterproof. The back surface of the box body 11 is textured, and the terminal box B is fixed by the adhesive tape 12 on the back surface.
【0012】雄コネクタ40は、ザイロン(商品名)、
ナイロンなどの硬質の樹脂により成形される筒状ハウジ
ング42の中心軸上に雄端子41がインサートされたも
のである。この雄コネクタ40を端子ボックス本体11
の樹脂成形時にインサートする際、そのハウジング42
のインサート部に図6に示す筒状バリ止めリング50を
嵌める。このバリ止めリング50により、ボックス本体
11の成形時、成形樹脂からの熱伝導が抑制され、ハウ
ジング42の変形が防止されるとともに、その変形によ
る成形型との間隙が生じず、その間隙によって生じるバ
リの発生もなくなる。
The male connector 40 is a Zylon (trade name),
A male terminal 41 is inserted on the central axis of a cylindrical housing 42 formed of a hard resin such as nylon. This male connector 40 is connected to the terminal box body 11
Housing 42 when it is inserted during resin molding of
The cylindrical deburring ring 50 shown in FIG. The deburring ring 50 suppresses heat conduction from the molding resin during the molding of the box body 11, prevents the housing 42 from being deformed, and does not cause a gap with the molding die due to the deformation, which is caused by the gap. Burrs are also eliminated.
【0013】この雄コネクタ40に嵌合接続される雌コ
ネクタ60は、そのハウジング62がシリコンゴム等の
熱可塑性エラストマーによって成形され、その中心軸上
に雌端子61を嵌入したものである。この雌端子61に
はケーブルPが圧着接続されているとともに、接続スリ
ーブ63が内装されている。
A female connector 60 fitted and connected to the male connector 40 has a housing 62 formed of a thermoplastic elastomer such as silicon rubber, and a female terminal 61 fitted on the central axis thereof. A cable P is crimp-connected to the female terminal 61, and a connection sleeve 63 is internally provided.
【0014】この実施例の端子ボックスBは、従来と同
様に、図11に示すようにモジュールMの裏面などにシ
ール材による水密性を維持して接着固定により取付け、
それらをケーブルPで接続する。
As in the conventional case, the terminal box B of this embodiment is attached to the back surface of the module M by adhesive fixing while maintaining the watertightness of the sealing material, as shown in FIG.
Connect them with a cable P.
【0015】図7乃至図10には他の各実施例を示し、
図7に示す実施例は、ボックス本体11を長尺物とし、
その長さ方向に端子板20、バイパスダイオード3及び
雄コネクタ40を直列に配設したものである。そのダイ
オード3及び端子板20の並列数は任意であり、例え
ば、図9に示すように、2個列とし得る。図10に示す
実施例は、ダイオード3と端子板20の配置を変形した
ものであり、ボックス本体11は図7のものに比べて幅
広の長方形となっている。これらの実施例も、図12に
示すように使用する。
7 to 10 show other respective embodiments,
In the embodiment shown in FIG. 7, the box body 11 is a long one,
The terminal board 20, the bypass diode 3, and the male connector 40 are arranged in series in the length direction. The diode 3 and the terminal plate 20 may be arranged in any number in parallel, and may be, for example, two rows as shown in FIG. In the embodiment shown in FIG. 10, the arrangement of the diode 3 and the terminal plate 20 is modified, and the box body 11 has a rectangular shape wider than that in FIG. These examples are also used as shown in FIG.
【0016】上記各実施例は、バイパスダイオード3を
設けていたが、逆流防止が必要でないものにあっては、
そのダイオード3を省略することができる。また、雄コ
ネクタ40に代えて、図4及び図5に示す雌コネクタ6
0をボックス本体11に一体化することもできる。さら
に、ボックス本体11に一体化するコネクタは、雌雄の
両コネクタとすることもでき、一極のみならず、2極な
どの多極のコネクタともし得る。
In each of the above embodiments, the bypass diode 3 is provided, but in the case where the backflow prevention is not necessary,
The diode 3 can be omitted. Further, instead of the male connector 40, the female connector 6 shown in FIGS.
It is also possible to integrate 0 into the box body 11. Further, the connector integrated with the box body 11 may be a male and female connector, and may be a multi-pole connector such as two poles as well as one pole.
【0017】[0017]
【発明の効果】この発明は以上のようにして、ボックス
本体にケーブル接続用のコネクタを一体に設けたので、
ボックス本体の移送及び設置時にケーブルが絡む恐れも
なく、その作業性が向上する。
As described above, according to the present invention, since the connector for connecting the cable is integrally provided on the box body,
There is no risk of cables getting entangled during the transfer and installation of the box body, and the workability is improved.
【図面の簡単な説明】[Brief description of drawings]
【図1】一実施例のケーブルとの接続状態正面図FIG. 1 is a front view of a connection state with a cable according to an embodiment.
【図2】(a)は図1の右側面図、(b)は同切断側面
2A is a right side view of FIG. 1, and FIG. 2B is a cut side view of the same.
【図3】(a)は同実施例のカバーを外した平面図、
(b)は同裏面図
FIG. 3A is a plan view with the cover of the embodiment removed.
(B) Rear view
【図4】同実施例の接続説明図FIG. 4 is a connection explanatory view of the embodiment.
【図5】(a)は雄型コネクタハウジングの正面図、
(b)は雌型コネクタハウジングの切断正面図、(c)
は同雌端子、(d)は同接触スリーブ
5A is a front view of a male connector housing, FIG.
(B) is a cutaway front view of the female connector housing, (c)
Is the same female terminal, (d) is the same contact sleeve
【図6】バリ止めリングの斜視図FIG. 6 is a perspective view of a deburring ring.
【図7】他の実施例の斜視図FIG. 7 is a perspective view of another embodiment.
【図8】同実施例の要部分解斜視図FIG. 8 is an exploded perspective view of essential parts of the embodiment.
【図9】他の実施例の斜視図FIG. 9 is a perspective view of another embodiment.
【図10】他の実施例の斜視図FIG. 10 is a perspective view of another embodiment.
【図11】各実施例の使用態様図FIG. 11 is a diagram showing how the embodiments are used.
【図12】各実施例の使用態様図FIG. 12 is a diagram showing how the embodiments are used.
【図13】太陽光発電システムの概略図FIG. 13 is a schematic diagram of a solar power generation system.
【図14】従来例の分解斜視図FIG. 14 is an exploded perspective view of a conventional example.
【図15】(a)は同平面図、(b)は右側縦断面図FIG. 15 (a) is a plan view of the same, and FIG. 15 (b) is a right side longitudinal sectional view.
【符号の説明】[Explanation of symbols]
1、11 ボックス本体 2、20 端子板 3 逆流防止用バイパスダイオード 30 カバー 40 雄コネクタ 41 雄端子 42 雄コネクタハウジング 50 バリ止めリング 60 雌コネクタ 61 雌端子 62 雌コネクタハウジング a 太陽電池モジュールの電極 B 端子ボックス M 太陽電池モジュール P 外部接続用ケーブル 1, 11 Box body 2, 20 terminal board 3 Backflow prevention bypass diode 30 covers 40 male connector 41 Male terminal 42 Male Connector Housing 50 Deburring ring 60 female connector 61 Female terminal 62 female connector housing a Solar cell module electrode B terminal box M solar cell module P External connection cable

Claims (2)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 樹脂製ボックス本体11内に、太陽電池
    モジュールMのプラス電極a及びマイナス電極aが接続
    される対の端子板20、20を配設するとともに、ボッ
    クス本体11の側壁に外部接続用ケーブルPの接続用雄
    コネクタ40、又は雌コネクタ60をインサート成形に
    より一体に設け、そのコネクタの端子41、61と前記
    端子板20を接続したことを特徴とする太陽電池モジュ
    ール用端子ボックス。
    1. A pair of terminal plates 20, 20 to which a plus electrode a and a minus electrode a of a solar cell module M are connected are provided in a resin box body 11, and externally connected to a side wall of the box body 11. A terminal box for a solar cell module, characterized in that a connecting male connector 40 or a female connector 60 of the cable P is integrally provided by insert molding, and the terminals 41 and 61 of the connector are connected to the terminal plate 20.
  2. 【請求項2】 上記コネクタ40、60のインサート部
    にはその部分を被うバリ止めリング50が嵌められてい
    ることを特徴とする請求項1に記載の太陽電池モジュー
    ル用端子ボックス。
    2. The terminal box for a solar cell module according to claim 1, wherein a deburring ring 50 covering the insert portions of the connectors 40 and 60 is fitted to the insert portions.
JP2002024330A 2002-01-31 2002-01-31 Terminal box for solar cell module Active JP3769509B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002024330A JP3769509B2 (en) 2002-01-31 2002-01-31 Terminal box for solar cell module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002024330A JP3769509B2 (en) 2002-01-31 2002-01-31 Terminal box for solar cell module

Publications (2)

Publication Number Publication Date
JP2003229592A true JP2003229592A (en) 2003-08-15
JP3769509B2 JP3769509B2 (en) 2006-04-26

Family

ID=27746813

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP3769509B2 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005224036A (en) * 2004-02-06 2005-08-18 Kitani Denki Kk Terminal box for solar cell module
JP2010028114A (en) * 2008-07-18 2010-02-04 Tyco Electronics (Shanghai) Co Ltd Junction box for building-integrated photovoltaic power generation
WO2010047345A1 (en) * 2008-10-21 2010-04-29 木谷電器株式会社 Connector device adapted to connect electric power cables together and used in solar energy power generation system
JP2011228573A (en) * 2010-04-22 2011-11-10 Sumitomo Wiring Syst Ltd Terminal box for solar cell module
JP2011254000A (en) * 2010-06-03 2011-12-15 Mitsubishi Electric Corp Solar cell module and wiring method thereof
KR101132234B1 (en) 2011-01-24 2012-04-02 (주)솔라파크코리아 Junction box and solar battery module having the same
KR101252376B1 (en) * 2010-08-30 2013-04-08 호시덴 가부시기가이샤 Terminal box
US20130284514A1 (en) * 2012-04-26 2013-10-31 Sumitomo Wiring Systems, Ltd. Terminal box for solar cell module
JP2017511096A (en) * 2014-02-28 2017-04-13 サンパワー コーポレイション Photovoltaic module connection box

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JP2005224036A (en) * 2004-02-06 2005-08-18 Kitani Denki Kk Terminal box for solar cell module
JP4597539B2 (en) * 2004-02-06 2010-12-15 木谷電器株式会社 Terminal box for solar cell module
JP2010028114A (en) * 2008-07-18 2010-02-04 Tyco Electronics (Shanghai) Co Ltd Junction box for building-integrated photovoltaic power generation
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JP4778116B2 (en) * 2008-10-21 2011-09-21 木谷電器株式会社 Connector device for power cable connection in photovoltaic power generation system
JP2011228573A (en) * 2010-04-22 2011-11-10 Sumitomo Wiring Syst Ltd Terminal box for solar cell module
JP2011254000A (en) * 2010-06-03 2011-12-15 Mitsubishi Electric Corp Solar cell module and wiring method thereof
KR101252376B1 (en) * 2010-08-30 2013-04-08 호시덴 가부시기가이샤 Terminal box
KR101132234B1 (en) 2011-01-24 2012-04-02 (주)솔라파크코리아 Junction box and solar battery module having the same
US20130284514A1 (en) * 2012-04-26 2013-10-31 Sumitomo Wiring Systems, Ltd. Terminal box for solar cell module
JP2017511096A (en) * 2014-02-28 2017-04-13 サンパワー コーポレイション Photovoltaic module connection box

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