JP2002359389A - Terminal box for solar power generation module wiring - Google Patents
Terminal box for solar power generation module wiringInfo
- Publication number
- JP2002359389A JP2002359389A JP2001164015A JP2001164015A JP2002359389A JP 2002359389 A JP2002359389 A JP 2002359389A JP 2001164015 A JP2001164015 A JP 2001164015A JP 2001164015 A JP2001164015 A JP 2001164015A JP 2002359389 A JP2002359389 A JP 2002359389A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- piece
- terminal plate
- electrode
- box
- 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.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims description 4
- 238000005476 soldering Methods 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Landscapes
- Photovoltaic Devices (AREA)
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
Abstract
Description
【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
を構成する太陽光発電モジュールを相互に接続する等の
太陽光発電モジュール配線用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 for wiring a photovoltaic power generation module, such as interconnecting photovoltaic power generation modules constituting a photovoltaic power generation system for directly converting solar energy into electric energy. is there.
【０００２】[0002]
【従来の技術】太陽光電池システムは、図１５に示すよ
うに、家屋の屋根に太陽光発電パネル（太陽光発電モジ
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。太陽光発電モジュールＭは全てが面一となる
ように配置され、図１６に示すように、端子ボックスＢ
を介して直列又は並列に接続する。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 As shown in FIG. 15, a photovoltaic cell system has a photovoltaic power generation panel (photovoltaic power generation module) M arranged on a roof of a house, and a junction box Q,
Power is supplied to various electric devices E via the inverter R and the distribution board S. The photovoltaic modules M are arranged so that they are all flush, and as shown in FIG.
Connected in series or in parallel. The terminal box B is bonded and 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１７、１８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、太陽光発電モジュール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。[0003] The terminal box B has been disclosed in
The configuration shown in FIGS. 17 and 18 described in -26035 and the like. That is, a pair of terminal plates 2, 2 to which the plus electrode a and the minus electrode a of the photovoltaic module M are connected are arranged in parallel in the box body 1 having the upper surface opening. In this configuration, a backflow prevention bypass diode 3 is provided therebetween, 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 projection 4 rising from the bottom surface of the box body 1 through the hole 5, and the projection 4 is caulked,
The terminal plate 2 is melted and expanded by ultrasonic wave to expand the diameter of the terminal plate 2.
Fixed to.
【０００５】ダイオード３は、そのリード線（端子足）
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 (terminal foot)
3a is inserted into the hole 2a of the terminal plate 2 and connected to the terminal plate 2 by soldering. The external connection cable P is introduced into the box main body 1 through the side wall 6, and the side wall introduction portion has a receiving seat 7 in which the side wall 6 is cut off in a semicircular shape, and a cable P interposed in the receiving seat 7. And a fixed plate 8 covered,
The fixing plate 8 is fixed to the box body 1 by ultrasonic welding, screwing, or the like. The box body 1 is filled with silicone resin, or after waterproofing and fixing of the diode 3 and the like via a packing, the cover 9 is put thereon.
【０００６】[0006]
【発明が解決しようとする課題】近年、太陽光発電の普
及に伴い、そのシステムの低価格化が叫ばれ、その中
で、端子ボックスＢも例外ではない。また、そのシステ
ムにおける使用素材の環境問題も叫ばれている。In recent years, with the spread of photovoltaic power generation, the price of the system has been reduced, and the terminal box B is no exception. In addition, the environmental problems of the materials used in the system have been called out.
【０００７】このような実情の下、従来の端子ボックス
Ｂは、電極ａ、ダイオード３を端子板２に半田付けで接
続しており、半田は鉛などを含有するため環境面で問題
があり、その半田レスの時代に移行しつつある。また、
半田付けは製作性が劣る場合もあり、部品交換などのメ
ンテナンスにおいては、その作業も煩雑となる。Under such circumstances, the conventional terminal box B has the electrode a and the diode 3 connected to the terminal plate 2 by soldering. Since the solder contains lead and the like, there is an environmental problem. We are moving to the solderless era. Also,
Soldering may be inferior in manufacturability, and in maintenance such as replacement of parts, the work becomes complicated.
【０００８】この発明は、端子ボックス内の半田付けを
極力なくすことを課題とする。An object of the present invention is to minimize soldering in a terminal box.
【０００９】[0009]
【課題を解決するための手段】上記課題を達成するため
に、この発明は、電極、ダイオード等と端子板の接続を
圧接接続することとしたのである。圧接接続は、クラン
プ方式、圧入方式が考えられるが、いずれにしても、端
子板に電極、ダイオード等をクランプしたり、圧入する
だけで接続が完了するため、作業性がよく、また、半田
付けも不要の場合が多い。さらに、メンテナンス時、電
極、ダイオードの交換作業も、クランプ、圧入を外して
再度行うことでよい。In order to achieve the above object, according to the present invention, the connection between an electrode, a diode and the like and a terminal plate is press-connected. There are two types of press-fitting connections: a clamping method and a press-fitting method.Either way, the connection is completed simply by clamping or press-fitting the electrode, diode, etc. to the terminal plate, so workability is good and soldering is also possible. Is often unnecessary. Further, at the time of maintenance, replacement of electrodes and diodes may be performed again by removing the clamp and press-fitting.
【００１０】[0010]
【発明の実施の形態】この発明の実施の形態としては、
ボックス本体内に、太陽光発電モジュールからの電極が
接続される端子板を配設し、その端子板に外部接続用ケ
ーブルを接続した太陽光発電モジュール配線用端子ボッ
クスにおいて、前記端子板は、その長さ方向途中で折り
返されてその折り返す手前の基片と折り返し片とから成
り、その折り返し片を、前記電極を介在して前記基片に
係止し、折り返し片と基片の間で電極を挾持して圧接接
続した構成を採用し得る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention include:
In the box body, a terminal plate to which an electrode from the photovoltaic module is connected is arranged, and in the photovoltaic module wiring terminal box in which an external connection cable is connected to the terminal plate, the terminal plate is It consists of a base piece and a folded piece that are folded back in the middle in the length direction and are folded back. It is possible to adopt a configuration in which it is sandwiched and pressed and connected.
【００１１】この構成において、バイパスダイオードが
設けられる場合においては、上記電極の端子板に、その
端子板と同一構成のバイパスダイオード用端子板を連続
して形成し、そのバイパスダイオード用端子板も折り返
し片と基片の間でバイパスダイオードの端子足を挾持し
て圧接接続した構成を採用し得る。また、電極は、従来
と同様に、基片に導入孔を形成し、その導入孔を通して
基片と折り返し片の間で挾持する構成とし得る。In this configuration, when a bypass diode is provided, a terminal plate for a bypass diode having the same configuration as that of the terminal plate is continuously formed on the terminal plate of the electrode, and the terminal plate for the bypass diode is also folded back. A configuration in which the terminal foot of the bypass diode is clamped and connected between the piece and the base piece may be employed. Further, the electrode may have a configuration in which an introduction hole is formed in the base piece and the base piece and the folded piece are clamped through the introduction hole as in the related art.
【００１２】端子板の数は、接続する太陽光発電モジュ
ールの数、ダイオードの介在有無などの配線態様に応じ
て適宜に決定すればよい。また、外部接続用ケーブルの
接続構造としては、ケーブルを、前記端子板と同一構成
でその端子板に電気的に接続されたケーブル用端子板に
上記電極と同一態様で接続したり、そのケーブルを端子
片に圧着接続し、その端子片を端子板にねじ止め接続し
たものを採用し得る。後者の手段は、圧着およびねじ止
めのため、接続強度が高く、ケーブルに引張力が働いて
も外れる恐れは極めて少ない。しかし、前者の手段で
も、絶縁被覆に喰い込む圧接接続をすれば、その接続部
の引張り強度を高めることができる（図９参照）。The number of terminal plates may be appropriately determined according to the wiring mode such as the number of photovoltaic modules to be connected and the presence or absence of a diode. Further, as a connection structure of the external connection cable, the cable is connected to a cable terminal plate having the same configuration as the terminal plate and electrically connected to the terminal plate in the same manner as the above-described electrode, or the cable is connected. A crimp connection to the terminal piece and a screw connection of the terminal piece to the terminal plate may be employed. The latter means has a high connection strength because of crimping and screwing, and is extremely unlikely to come off even if a tensile force acts on the cable. However, even in the former method, the tensile strength of the connection portion can be increased by press-fitting the bite into the insulating coating (see FIG. 9).
【００１３】端子板は、一つづつ別個のものでも、その
所要数を連続したものでもよいが、バイパスダイオード
を設けるものにあっては、３ツの端子板を一組とし、そ
の両端をダイオード用とするとよい。その組同士の電気
的接続はダイオード又はジャンパ線によって行うことが
できる。このとき、ダイオード用端子板と電極用端子板
は、挾持位置を前後逆にするとよい。スペース的に有利
だからである。一つづつ別個のものでは、各端子板を適
宜に電気的に接続する。The terminal plates may be separate one by one or a required number of them continuously. In the case where a bypass diode is provided, a set of three terminal plates is set, and both ends are diode-connected. It is good to use. The electrical connection between the sets can be made by diodes or jumpers. At this time, the clamping positions of the diode terminal plate and the electrode terminal plate may be reversed. This is because space is advantageous. In the case of separate components, each terminal plate is appropriately electrically connected.
【００１４】[0014]
【実施例】一実施例を図１乃至図７に示し、上面開口の
ＡＢＳ樹脂製ボックス本体１１内に、端子板２０が直列
状に設けられている。その端子板２０は３ツが組２０ａ
となり、弾性金属板からのプレス打抜きによってその組
２０ａが形成される。すなわち、図７（ｂ）に示すよう
に３ツの端子板２０が組２０ａとして打ち抜かれ、その
各端子板２０は、基片２１、その基片２１の端から延び
る折り返し片２２から成り、折り返し片２２は、図６
（ａ）に示すように折り返して立ち上げられる。このと
き、図７（ａ）に示すように、立ち上げ角度θは４５度
程度とする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment is shown in FIGS. 1 to 7, in which a terminal plate 20 is provided in series in an ABS resin box main body 11 having an upper surface opening. The terminal board 20 has three sets 20a.
The set 20a is formed by press punching from an elastic metal plate. That is, as shown in FIG. 7B, three terminal boards 20 are punched as a set 20a, and each of the terminal boards 20 includes a base piece 21 and a folded piece 22 extending from an end of the base piece 21. The piece 22 is shown in FIG.
As shown in FIG. At this time, as shown in FIG. 7A, the rising angle θ is about 45 degrees.
【００１５】また、基片２１には立ち上がり片２３が切
り出され、折り返し片２２の立ち上げと同時、又は別個
にその立ち上げ片２３が起立されるとともに、その先端
が折り曲げられて係止部２３ａが形成される。係止部２
３ａの折り曲げ方向は前後任意であるが、立ち上がり片
２３と後記係止孔２４の位置関係、及び立ち上がり片２
３の立ち上がり角度などに基づき、実験等によって、そ
の位置も含めて決定するとよい。折り返し片２２にはそ
の立ち上げ片２３が嵌入する係止孔２４が形成されてお
り、図５に示すように、折り返し片２２が倒されると、
その孔２４に立ち上がり片２３が嵌入してその係止部２
３ａが孔２４の縁に係止する。折り返し片２２と基片２
１の衝合縁には、それぞれ挾持用突片２５、２６が形成
され、両端の基片２１の突片２５は切欠２５ａが形成さ
れている。Further, a rising piece 23 is cut out from the base piece 21 and the rising piece 23 is raised simultaneously with or separately from the rising of the folded piece 22, and its tip is bent to form a locking portion 23a. Is formed. Locking part 2
Although the bending direction of 3a is arbitrary, the positional relationship between the rising piece 23 and the later-described locking hole 24, and the rising piece 2
It is preferable to determine the position including the position by an experiment or the like based on the rising angle of No. 3. A locking hole 24 into which the rising piece 23 fits is formed in the folded piece 22, and as shown in FIG.
The rising piece 23 fits into the hole 24 and the locking portion 2
3 a is locked to the edge of the hole 24. Folded piece 22 and base piece 2
Each of the abutting edges is formed with holding projections 25, 26, and the projections 25 of the base pieces 21 at both ends are formed with notches 25a.
【００１６】この端子板２０には、図６（ｂ）に示すよ
うに、バイパスダイオード３０、同図（ｃ）に示すよう
に外部接続用ケーブルＰ及び電極ａが接続される。ダイ
オード３０は、その端子足３１を切欠２５ａに嵌め、折
り返し片２２を倒して立ち上げ片２３に係止し、突片２
５、２６を突き合わせて端子足３１を挾持して、圧接接
続する。ケーブルＰは、端末に端子片４１を圧着し、そ
の端子片４１を基片２１にビス止め４２することにより
接続する。電極ａは銅箔などから成り、その電極ａの端
部を基片２１の導入孔２７を通して突片２５に至らせ、
その状態で、折り返し２２を倒して立ち上げ片２３に係
止し、突片２５、２６で挾持して圧接接続する。As shown in FIG. 6B, a bypass diode 30 is connected to the terminal plate 20, and an external connection cable P and an electrode a are connected as shown in FIG. 6C. The diode 30 has its terminal foot 31 fitted in the notch 25 a, the folded piece 22 is tilted down and locked on the rising piece 23,
5 and 26 are abutted to clamp the terminal foot 31 and press-connect. The cable P is connected by crimping the terminal piece 41 to the terminal and screwing the terminal piece 41 to the base piece 21. The electrode a is made of a copper foil or the like.
In this state, the folded-back portion 22 is tilted down and locked to the rising piece 23, and is clamped and connected by the protruding pieces 25 and 26.
【００１７】端子板２０は、ボックス本体１１にその係
止突起１５に基片２１の係止孔２８を嵌入することによ
り取付けられる。この実施例では、上記組２０ａの端子
板２０をボックス本体１１内に４個並べている。この数
は、太陽光発電モジュールＭの数に応じて任意である。
ダイオード３０、ケーブルＰ及び電極ａの端子板２０へ
の接続は、端子板２０をボックス本体１１に取付ける前
が好ましいが、可能であれば、その取付け後でもよい。
端子板２０などのボックス本体１１への取付けが終了す
れば、ＡＢＳ樹脂製カバー１３を防水パッキン１９を介
して嵌着して端子ボックスＢができあがる。図中、１４
はケーブルＰの他の端末に設けたコネクタ、１６は端子
ボックスＢの固定用接着テープ、１７は電極引込口、１
８は端子板組２０ａの絶縁セパレートであって、本体１
１と一体又は別体のどちらでもよい。The terminal plate 20 is attached to the box body 11 by fitting the locking holes 28 of the base piece 21 to the locking projections 15 thereof. In this embodiment, four terminal boards 20 of the set 20a are arranged in the box body 11. This number is arbitrary according to the number of photovoltaic modules M.
The connection of the diode 30, the cable P, and the electrode a to the terminal plate 20 is preferably performed before the terminal plate 20 is mounted on the box body 11, but may be performed after the mounting if possible.
When the attachment of the terminal plate 20 and the like to the box body 11 is completed, the terminal box B is completed by fitting the ABS resin cover 13 through the waterproof packing 19. In the figure, 14
Is a connector provided at the other end of the cable P, 16 is an adhesive tape for fixing the terminal box B, 17 is an electrode inlet, 1
Reference numeral 8 denotes an insulating separator of the terminal plate set 20a,
It may be either integral with or separate from one.
【００１８】上記ダイオード３０の端子板２０への接続
において、図８（ａ）に示すように、突片２５の切欠２
５ａを外拡がりの形状とし、ダイオード３０の端子足３
１を、同図（ａ）から（ｂ）のごとく、切欠２５ａを拡
げながら圧入するようにすれば、接続強度を増すことが
できる。また、ケーブルＰの端子板２０への接続におい
ても、図９に示すように、ケーブルＰのシース５１を剥
ぎ、導体５２とその絶縁被覆５３を切刃となった切欠２
５ａに圧入し、その切欠２５ａで絶縁被覆５３を切りな
がら導体５２を突片２５（基片２１）に接続するように
し得る（同図（ａ）から（ｂ））。このとき、折り返し
片２２の突片２６は端子足３１又はケーブル導体５２に
接して、基片２１の突片２５には当接しないようにす
る。当接すれば、端子足３１を切欠２５ａに挿し込めな
いからである。In connecting the diode 30 to the terminal plate 20, as shown in FIG.
5a is formed in an outwardly extending shape, and the terminal feet 3 of the diode 30 are formed.
1 is press-fitted while expanding the notch 25a as shown in FIGS. 3A and 3B, the connection strength can be increased. Also, when connecting the cable P to the terminal plate 20, as shown in FIG. 9, the sheath 51 of the cable P is peeled off, and the conductor 52 and its insulating coating 53 are formed by notches 2 serving as cutting blades.
5a, the conductor 52 can be connected to the protruding piece 25 (the base piece 21) while cutting the insulating coating 53 with the notch 25a (FIGS. 7A to 7B). At this time, the protruding piece 26 of the folded piece 22 is in contact with the terminal foot 31 or the cable conductor 52 so as not to contact the protruding piece 25 of the base piece 21. This is because the terminal feet 31 cannot be inserted into the notches 25a if they come into contact with each other.
【００１９】この実施例において、図１０（ｃ）に示す
弾性材から成る接触圧素子７０を、同図（ａ）に示すよ
うに基片２１と折り返し片２２の間に介在して電極ａを
押圧するようにすることができる。このとき、接触圧素
子７０は、同図（ｂ）に示すように折り返し片２２の孔
２９に挿入して係止し、その状態で、折り返し片２２を
倒伏する。In this embodiment, a contact pressure element 70 made of an elastic material as shown in FIG. 10C is interposed between the base piece 21 and the folded piece 22 as shown in FIG. Pressing can be performed. At this time, the contact pressure element 70 is inserted and locked in the hole 29 of the folded piece 22 as shown in FIG.
【００２０】図１１乃至図１３には他の実施例を示し、
この実施例は、折り返し片２２と基片２１を別体とし、
その折り返し片２２に押圧片６２を一体に形成し、押圧
片６２と折り返し片２２は支軸６３を介して基片２１に
回転自在に設けて折り返し状態としたものであり、基片
２１と折り返し片２２の係止はフック６４が穴６５に係
止することにより行う。一の基片２１は２ツ又は３ツの
折り返し片２２を有している。押圧片６２により、図１
１（ｃ）、（ｄ）に示すように、電極ａ又はダイオード
３０の端子足３１が圧接される。FIGS. 11 to 13 show another embodiment.
In this embodiment, the folded piece 22 and the base piece 21 are separated from each other,
The pressing piece 62 is formed integrally with the folded piece 22, and the pressing piece 62 and the folded piece 22 are rotatably provided on the base piece 21 via the support shaft 63 in a folded state. The locking of the piece 22 is performed by locking the hook 64 in the hole 65. One base piece 21 has two or three folded pieces 22. 1 by the pressing piece 62.
As shown in FIGS. 1C and 1D, the electrode a or the terminal foot 31 of the diode 30 is pressed.
【００２１】上記各実施例は、太陽光発電モジュールＭ
２枚から成るパネルに設けるものであって、図１４に示
すようにそれをさらに任意数直列接続する。端子ボック
ス本体１１内には従来のようにシリコン樹脂などを充填
することもできる。In each of the above embodiments, the photovoltaic module M
It is provided on a panel composed of two sheets, and as shown in FIG. 14, an arbitrary number of them are connected in series. The terminal box body 11 may be filled with a silicone resin or the like as in the related art.
【００２２】なお、実施例は、図１４に示す態様の接続
を行うものであるが、この発明に係る端子ボックスは、
端子板２０の数、その端子板２０への接続部材、例え
ば、電極ａ、ダイオード３０の端子足３１及びケーブル
Ｐ（支線、幹線も含む）などの接続部材の適宜な選択に
よって、種々の接続態様を得ることができる。In the embodiment, the connection shown in FIG. 14 is performed.
Depending on the number of the terminal boards 20 and the connection members to the terminal boards 20, for example, the electrode a, the terminal feet 31 of the diode 30, and the connection members such as the cable P (including the branch line and the trunk line), various connection modes are appropriately selected. Can be obtained.
【００２３】[0023]
【発明の効果】この発明は、以上のようにして、圧接接
続によって太陽光発電モジュールからの電極等を端子板
に接続するようにしたので、半田付けなどが極力不要と
なり、製作コスト及びメンテナンスコストが削減され
る。As described above, according to the present invention, the electrodes and the like from the photovoltaic power generation module are connected to the terminal plate by pressure connection, so that soldering and the like become unnecessary as much as possible, and the production cost and maintenance cost are reduced. Is reduced.
【図１】一実施例の切断正面図FIG. 1 is a cutaway front view of one embodiment.
【図２】同実施例を示し、（ａ）は正面図、（ｂ）は右
側面図、（ｃ）は切断下面図、（ｄ）は背面図2 (a) is a front view, FIG. 2 (b) is a right side view, FIG. 2 (c) is a cut bottom view, and FIG. 2 (d) is a rear view.
【図３】（ａ）は図１のＡ−Ａ線切断側面図、（ｂ）は
同Ｂ−Ｂ線切断側面図、（ｃ）は同Ｃ−Ｃ線切断側面
図、（ｄ）は同Ｄ−Ｄ線切断側面図3A is a side view cut along the line AA in FIG. 1, FIG. 3B is a side view cut along the line BB in FIG. 1, FIG. 3C is a side view cut along the line CC in FIG. DD line cut side view
【図４】同実施例の要部斜視図FIG. 4 is a perspective view of a main part of the embodiment.
【図５】同実施例の一部省略要部断面図であり、（ａ）
は図４のＡ−Ａ線、（ｂ）は同Ｂ−Ｂ線を示すFIG. 5 is a cross-sectional view of a main part of the embodiment, in which a part is omitted.
4 shows the AA line in FIG. 4, and FIG. 4B shows the BB line in FIG.
【図６】同実施例の端子板の作用図FIG. 6 is an operation diagram of the terminal plate of the embodiment.
【図７】同端子板の組立て説明図FIG. 7 is an explanatory view for assembling the terminal plate.
【図８】他の実施例の要部作用図FIG. 8 is an operation diagram of a main part of another embodiment.
【図９】他の実施例の要部作用図FIG. 9 is an operation view of a main part of another embodiment.
【図１０】他の実施例を示し、（ａ）は要部切断側面
図、（ｂ）は端子板の斜視図、（ｃ）は接触圧素子の斜
視図10A and 10B show another embodiment, in which FIG. 10A is a cutaway side view of a main part, FIG. 10B is a perspective view of a terminal plate, and FIG. 10C is a perspective view of a contact pressure element.
【図１１】他の実施例の要部平面図FIG. 11 is a plan view of a main part of another embodiment.
【図１２】同実施例の作用図であり、（ａ）は開放時、
（ｂ）は固定時、（ｃ）は電極接続時、（ｄ）はダイオ
ード接続時FIGS. 12A and 12B are action diagrams of the embodiment, in which FIG.
(B) when fixed, (c) when connected to electrodes, (d) when connected to diodes
【図１３】同作用図であり、（ａ）は開放時、（ｂ）は
固定時13A and 13B are action diagrams, wherein FIG. 13A is open and FIG. 13B is fixed.
【図１４】実施例の使用態様図FIG. 14 is a view showing a use mode of the embodiment.
【図１５】太陽光発電システムの概略図FIG. 15 is a schematic diagram of a solar power generation system.
【図１６】従来の端子ボックスの使用態様図FIG. 16 is a view showing a usage state of a conventional terminal box.
【図１７】従来例の分解斜視図FIG. 17 is an exploded perspective view of a conventional example.
【図１８】（ａ）は同平面図、（ｂ）は右側縦断面図18A is a plan view of the same, and FIG.
１、１１ ボックス本体 ２、２０ 端子板 ３、３０ 逆流防止用バイパスダイオード １３ カバー １５ 係止突起 ２０ａ 端子板の組 ２１ 基片 ２２ 折り返し片 ２３ 立ち上がり片 ２４ 係止孔 ２５、２６ 挾持用突片 ２５ａ 切欠 ２７ 電極導入孔 ２８ 端子板取付孔 ３１ 端子足 ５１ 絶縁被覆 ５２ 導体 DESCRIPTION OF SYMBOLS 1, 11 Box main body 2, 20 Terminal board 3, 30 Backflow prevention bypass diode 13 Cover 15 Locking projection 20a Terminal board set 21 Base piece 22 Folding piece 23 Rising piece 24 Locking hole 25, 26 Clamping protruding piece 25a Notch 27 Electrode introduction hole 28 Terminal plate mounting hole 31 Terminal foot 51 Insulation coating 52 Conductor
Claims (8)
ュールＭからの電極ａが接続される端子板２０を配設
し、その端子板２０に外部接続用ケーブルＰを接続した
太陽光発電モジュール配線用端子ボックスにおいて、 上記端子板２０は、その長さ方向途中で折り返されてそ
の折り返す手前の基片２１と折り返し片２２とから成
り、その折り返し片２２を、上記電極ａを介在して前記
基片２１に係止し、折り返し片２２と基片２１の間で電
極ａを挾持して圧接接続したことを特徴とする太陽光発
電モジュール配線用端子ボックス。1. A photovoltaic module wiring in which a terminal plate 20 to which an electrode a from a photovoltaic module M is connected is disposed in a box body 11, and an external connection cable P is connected to the terminal plate 20. In the terminal box for terminal, the terminal plate 20 is folded back halfway in the longitudinal direction and is composed of a base piece 21 and a folded piece 22 just before the folding, and the folded piece 22 is connected to the base piece via the electrode a. A terminal box for wiring of a photovoltaic power generation module, wherein the terminal box is locked to the piece 21 and the electrode a is sandwiched between the folded piece 22 and the base piece 21 for pressure contact.
形成され、その導入孔２７を通った電極ａが基片２１と
折り返し片２２の間で挾持されて圧接接続されているこ
とを特徴とする請求項１に記載の太陽光発電モジュール
配線用端子ボックス。2. An introduction hole 27 for an electrode a is formed in the base piece 21, and the electrode a passing through the introduction hole 27 is clamped and connected between the base piece 21 and the return piece 22. The terminal box for wiring a photovoltaic power generation module according to claim 1, wherein:
２０と同一構成のバイパスダイオード用端子板２０が連
続して形成され、そのバイパスダイオード用端子板２０
も折り返し片２２と基片２１の間でバイパスダイオード
３０の端子足３１を挾持して圧接接続したことを特徴と
する請求項１又は２に記載の太陽光発電モジュール配線
用端子ボックス。3. A bypass diode terminal plate 20 having the same configuration as the terminal plate 20 is formed continuously on the terminal plate 20 of the electrode a.
3. The terminal box for photovoltaic module wiring according to claim 1, wherein the terminal foot 31 of the bypass diode 30 is sandwiched and pressed between the folded piece 22 and the base piece 21.
板２０を並列に並べて電気的に接続し、その両端の端子
板２０にそれぞれ外部接続用ケーブルＰを接続したこと
を特徴とする太陽光発電モジュール配線用端子ボック
ス。4. The terminal plates 20 according to claim 1, wherein the terminal plates 20 are arranged in parallel and electrically connected, and external connection cables P are respectively connected to the terminal plates 20 at both ends thereof. Terminal box for solar power module wiring.
板２０と同一構成でその端子板２０に電気的に接続され
たケーブル用端子板２０に上記電極ａと同一態様で接続
されていることを特徴とする請求項１乃至４のいずれか
に記載の太陽光発電モジュール配線用端子ボックス。5. The external connection cable P has the same configuration as the terminal plate 20 and is connected to the cable terminal plate 20 electrically connected to the terminal plate 20 in the same manner as the electrode a. The terminal box for photovoltaic module wiring according to any one of claims 1 to 4, wherein:
ブルＰの端子板２０への接続を、上記電極ａの接続と同
一態様に代えて、そのケーブルＰを端子片４１に圧着接
続し、その端子片４１を上記端子板２０にねじ止め４２
接続したことを特徴とする太陽光発電モジュール配線用
端子ボックス。6. The method according to claim 5, wherein the connection of the external connection cable P to the terminal plate 20 is performed in the same manner as the connection of the electrode a, and the cable P is crimp-connected to the terminal piece 41. A terminal piece 41 is screwed to the terminal plate 20.
A terminal box for wiring a photovoltaic power module, wherein the terminal box is connected.
光発電モジュール配線用端子ボックスに使用される前記
各請求項のいずれかに記載の端子板。7. The terminal plate according to any one of claims 1 to 6, which is used for the terminal box for wiring a solar power generation module according to any one of claims 1 to 6.
線用端子ボックスに使用される端子板２０であって、上
記電極ａが接続される端子板２０の両端にバイパスダイ
オード用端子板２０が一体的に形成されたことを特徴と
する端子板。8. A terminal plate 20 for use in a terminal box for wiring a photovoltaic power generation module according to claim 3, wherein terminal plates 20 for bypass diodes are integrated with both ends of the terminal plate 20 to which the electrode a is connected. A terminal plate characterized in that it is formed integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001164015A JP2002359389A (en) | 2001-05-31 | 2001-05-31 | Terminal box for solar power generation module wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001164015A JP2002359389A (en) | 2001-05-31 | 2001-05-31 | Terminal box for solar power generation module wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002359389A true JP2002359389A (en) | 2002-12-13 |
Family
ID=19006883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001164015A Pending JP2002359389A (en) | 2001-05-31 | 2001-05-31 | Terminal box for solar power generation module wiring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002359389A (en) |
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