JP5371898B2 - Device for removing excess sealing member of solar cell module - Google Patents

Device for removing excess sealing member of solar cell module Download PDF

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JP5371898B2
JP5371898B2 JP2010157914A JP2010157914A JP5371898B2 JP 5371898 B2 JP5371898 B2 JP 5371898B2 JP 2010157914 A JP2010157914 A JP 2010157914A JP 2010157914 A JP2010157914 A JP 2010157914A JP 5371898 B2 JP5371898 B2 JP 5371898B2
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surplus
cutting
solar cell
sealing
glass substrate
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JP2012023097A (en
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秀徳 葉影
昌紀 下平
隆之 舟橋
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Mitsubishi Electric Corp
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    • 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
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E10/50—Photovoltaic [PV] energy

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Description

本発明は、太陽電池素子を保護するために接着した封止部材が太陽電池モジュールのガラス基板からはみ出した封止余剰部材を除去する太陽電池モジュールの封止余剰部材除去装置に関する。   The present invention relates to a sealing surplus member removing apparatus for a solar cell module, in which a sealing member bonded to protect a solar cell element removes a sealing surplus member protruding from a glass substrate of the solar cell module.

従来の太陽電池モジュールの製造方法では、余剰部材に関連する技術として切断方法について開示されている（例えば、特許文献１、２参照）。例えば、融着後における樹脂製封止部材の端縁の輪郭線に沿って正確に溶断可能とし、余剰部分の切り残しを無くすために電熱線を移動させながら溶断を行う技術が開示されている。   In the conventional method for manufacturing a solar cell module, a cutting method is disclosed as a technique related to the surplus member (see, for example, Patent Documents 1 and 2). For example, a technique is disclosed in which fusing can be performed accurately along the contour line of the edge of the resin sealing member after fusing, and the heating wire is moved in order to eliminate uncut remaining portions. .

特開２００６−２４５２６５号公報JP 2006-245265 A 特開２００１−１３５８４０号公報JP 2001-135840 A

しかしながら、上記従来の技術によれば余剰部分の切除方法に関しては、電熱線を利用して基板に沿わせながら余剰部材を溶断する方法とカッターを利用して強制的に余剰部材を切断する方式とが見られる。しかし、切断中の余剰部材の状態によっては余剰部材の切断が正常に完了できず、樹脂製封止部材の破損および溶断用電熱線への余剰部材の巻き込みによる溶断異常が発生しやすくなるという問題があった。   However, according to the above-described conventional technique, as to the method of removing the surplus portion, a method of fusing the surplus member while using the heating wire along the substrate and a method of forcibly cutting the surplus member using the cutter, and Is seen. However, depending on the state of the surplus member being cut, the cutting of the surplus member cannot be completed normally, and a fusing abnormality is likely to occur due to breakage of the resin sealing member and wrapping of the surplus member into the fusing heating wire. was there.

本発明は、上記に鑑みてなされたものであって、樹脂封止部材などからなる余剰部材の溶断条件を均一にする太陽電池モジュールの封止余剰部材除去装置を得ることを目的とする。   This invention is made | formed in view of the above, Comprising: It aims at obtaining the sealing surplus member removal apparatus of the solar cell module which makes the fusing conditions of the surplus member consisting of a resin sealing member etc. uniform.

上述した課題を解決し、目的を達成するために、本発明は、太陽電池モジュールのガラス基板上に熱処理により接着された封止部材の前記ガラス基板の上からはみ出した封止余剰部材を把持する把持手段と、前記ガラス基板の端面の位置情報を検出する検出手段と、前記検出手段が検出した前記位置情報に基づいて前記封止余剰部材を前記把持手段により把持した状態で、前記ガラス基板上の前記封止部材から前記封止余剰部材を切断する切断手段とを備えることを特徴とする。   In order to solve the above-described problems and achieve the object, the present invention grips a sealing surplus member protruding from the glass substrate of the sealing member bonded to the glass substrate of the solar cell module by heat treatment. A gripping means; a detection means for detecting position information of an end face of the glass substrate; and a state where the sealing surplus member is gripped by the gripping means based on the position information detected by the detection means. Cutting means for cutting the surplus sealing member from the sealing member.

本発明によれば、樹脂封止部材および余剰部材を溶断時に把持することにより溶断中に見られる封止部材の捲れや折れ曲がり等の破損を防止することが可能となるとともに、溶断および切断条件を一定範囲に保つことにより切断断面の品質向上が図れる。また、廃却余剰部材を把持することにより余剰部材の回収が容易となり飛散を防止する効果が得られる。   According to the present invention, the resin sealing member and the surplus member can be gripped at the time of fusing, thereby preventing the sealing member from being damaged such as squeezing or bending, which is seen during fusing, and the fusing and cutting conditions are The quality of the cut cross section can be improved by keeping it within a certain range. Further, by holding the discarded surplus member, it is easy to collect the surplus member and the effect of preventing scattering can be obtained.

図１は、本発明の実施の形態１に係る太陽電池モジュールの溶断面の構造を示した図である。FIG. 1 is a diagram showing a structure of a melting section of the solar cell module according to Embodiment 1 of the present invention. 図２は、本発明の実施の形態１に係る太陽電池モジュールの封止余剰部材除去装置の概略構成を示す上面図である。FIG. 2 is a top view showing a schematic configuration of the solar cell module excess sealing member removing apparatus according to Embodiment 1 of the present invention. 図３は、実施の形態１の封止余剰部材除去装置の把持機構の構成を示す概略図である。FIG. 3 is a schematic diagram illustrating a configuration of a gripping mechanism of the excess sealing member removing apparatus according to the first embodiment. 図４は、実施の形態１の封止余剰部材除去装置の位置決め部を上面から示した図である。FIG. 4 is a view showing the positioning portion of the excess sealing member removing apparatus according to the first embodiment from above. 図５は、実施の形態１の封止余剰部材除去装置のガラス端面検出用溶断カッターの概略構成を示す図である。FIG. 5 is a diagram illustrating a schematic configuration of a glass end surface detection fusing cutter of the sealing surplus member removing device according to the first embodiment. 図６は、実施の形態１の封止余剰部材除去装置のガラス端面検出用ストッパおよびチャックの概略構成をガラス基板断面方向から示した図である。FIG. 6 is a diagram illustrating a schematic configuration of the glass end surface detection stopper and the chuck of the sealing excess member removing device according to the first embodiment from the glass substrate cross-sectional direction. 図７は、実施の形態１の封止余剰部材除去装置のガラス端面検知機構および把持機構を上面から示した図である。FIG. 7 is a diagram showing the glass end surface detection mechanism and the gripping mechanism of the sealing excess member removing device according to the first embodiment from the top. 図８は、従来の余剰部材除去装置の構成を示す断面図である。FIG. 8 is a cross-sectional view showing a configuration of a conventional surplus member removing apparatus.

以下に、本発明にかかる太陽電池モジュールの実施の形態を図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではなく、その要旨を逸脱しない範囲において適宜変更可能である。また、以下に示す図面においては、理解の容易のため各部材の縮尺が実際とは異なる。   Embodiments of a solar cell module according to the present invention will be described below in detail with reference to the drawings. In addition, this invention is not limited by this embodiment, In the range which does not deviate from the summary, it can change suitably. In the drawings shown below, the scale of each member is different from the actual scale for easy understanding.

実施の形態１．
図１は、本発明の実施の形態１にかかる太陽電池モジュールの封止余剰部材除去装置について説明するために太陽電池モジュールの溶断面の構造を示した図である。図１はモジュール側面から見た切断面の図を示しており、図２は上面からの把持機構７等の封止余剰部材除去装置の概略構成を示した上面図である。 Embodiment 1 FIG.
FIG. 1 is a diagram showing a structure of a melting cross section of a solar cell module in order to describe a solar cell module excess sealing member removing apparatus according to a first embodiment of the present invention. FIG. 1 is a cut-away view as seen from the side of the module, and FIG. 2 is a top view showing a schematic configuration of an excess sealing member removing device such as a gripping mechanism 7 from the top.

図１は、ガラス基板１に熱封止のための樹脂封止部材２であるエチレンビニルアセテート（ＥＶＡ）６とＰＥＴフィルム材３とを熱処理工程により接着させた様子を示したものである。ラミネータでの熱処理工程の後、ガラス端面１ａ側面にはみ出した余剰樹脂材６ａと同じくガラス基板１よりはみ出したＰＥＴフィルム余剰部材３ａについては不要部材となり除去しなければならない。   FIG. 1 shows a state where ethylene vinyl acetate (EVA) 6, which is a resin sealing member 2 for heat sealing, and a PET film material 3 are bonded to a glass substrate 1 by a heat treatment process. After the heat treatment step in the laminator, the PET film surplus member 3a that protrudes from the glass substrate 1 as well as the surplus resin material 6a that protrudes from the side surface of the glass end face 1a becomes an unnecessary member and must be removed.

さらに、余剰樹脂材６ａとＰＥＴフィルム余剰部材３ａはガラス端面１ａに合わせて切断することが要求される。また、ガラス基板１と樹脂封止部材２の組立位置関係については同じ寸法で部材が供給されていないことやエチレンビニルアセテート６の溶融状態に依存してはみ出し量が変化する。   Furthermore, the surplus resin material 6a and the PET film surplus member 3a are required to be cut in accordance with the glass end surface 1a. Further, regarding the assembly position relationship between the glass substrate 1 and the resin sealing member 2, the amount of protrusion changes depending on whether the member is not supplied with the same size or the melted state of the ethylene vinyl acetate 6.

このため、例えば図８に示すような、ガラス端面に沿って自動切断するための装置が既に導入されている（特許文献１、２等参照）。ただし、切断処理中のＰＥＴフィルム余剰部材３ａの組立状態によっては余剰部の切断が正常に完了できず、ＰＥＴフィルム余剰部材３ａの破損による製品不良が発生しやすくなるという問題があった。   For this reason, for example, an apparatus for automatically cutting along the glass end surface as shown in FIG. 8 has already been introduced (see Patent Documents 1 and 2, etc.). However, depending on the assembled state of the PET film surplus member 3a during the cutting process, cutting of the surplus portion cannot be completed normally, and there is a problem that a product defect is likely to occur due to damage of the PET film surplus member 3a.

本実施の形態においては上記問題に鑑みて、図２に示すように除去条件を安定させるための把持機構７を取り付ける。把持機構７により余剰樹脂材６ａおよびＰＥＴフィルム余剰部材３ａを切断中に固定することにより溶断条件を均一にし、製品不良の発生を抑えることができる。   In the present embodiment, in view of the above problems, a gripping mechanism 7 for stabilizing removal conditions is attached as shown in FIG. By fixing the surplus resin material 6a and the PET film surplus member 3a during the cutting by the gripping mechanism 7, the fusing conditions can be made uniform, and the occurrence of product defects can be suppressed.

図３は、本実施の形態にかかる封止余剰部材除去装置の把持機構７の構成を示す概略図である。把持機構７はチャック８とガラス端面検出用ストッパ９を備えており、さらに、チャック８とガラス端面検出用ストッパ９をガラス端面１ａに押し付け追従させるためのエアークッション機構２０が付いている。即ち、把持機構７全体がガラス端面１ａと垂直な第１方向に移動可能になっている。   FIG. 3 is a schematic diagram illustrating the configuration of the gripping mechanism 7 of the excess sealing member removing apparatus according to the present embodiment. The gripping mechanism 7 includes a chuck 8 and a glass end surface detection stopper 9, and further includes an air cushion mechanism 20 that presses the chuck 8 and the glass end surface detection stopper 9 against the glass end surface 1 a and follows them. That is, the entire gripping mechanism 7 is movable in a first direction perpendicular to the glass end surface 1a.

剥離機構２１はエアークッション機構２０に更に上下動作を付加しており、把持機構７全体はガラス基板１の表面に垂直な第２方向にも移動可能である。これらの可動機構を設けることにより切断後の余剰部材を上下前後に動かし余剰部材をガラス基板１から剥離をしやすくすることが可能となる。   The peeling mechanism 21 further adds a vertical movement to the air cushion mechanism 20, and the entire gripping mechanism 7 can also move in a second direction perpendicular to the surface of the glass substrate 1. By providing these movable mechanisms, the surplus member after cutting can be moved up and down and back and forth so that the surplus member can be easily separated from the glass substrate 1.

把持機構７に隣接してガラス端面検出用溶断カッター１０が配置されており、ガラス端面検出用溶断カッター１０についても前後のエアークッション機構２０’が同様に搭載され、切り込みを入れた後にガラス端面検出用ストッパ９を切り込み済の部位に押し込むことが出来るよう左右動作機構をつけてガラス端面検出用溶断カッター１０を退避させる。   A glass end face detection cutting cutter 10 is disposed adjacent to the gripping mechanism 7, and the front and rear air cushion mechanisms 20 'are similarly mounted on the glass end face detection cutting cutter 10, and the glass end face detection is performed after cutting. The glass end face detection fusing cutter 10 is retracted by attaching a left-right motion mechanism so that the stopper 9 can be pushed into the cut portion.

ちなみにガラス端面検出用溶断カッター１０は端面検出のために使用するだけではなくフィルム切断のためにトリミング刃３０として機能を兼ねることも可能である。   Incidentally, the fusing cutter 10 for detecting the glass end face can be used not only for detecting the end face but also serving as a trimming blade 30 for cutting the film.

図４は、実施の形態１の位置決め部を上面から示した図である。図４に示すように、ガラス基板１の長辺及び短辺方向であるＸ、Ｙ方向より位置決め機構１１により規制されたガラス基板１を吸着パッド１２により固定した状態で、ガラス端面１ａを検出させるために、ガラス端面検出用溶断カッター１０をガラス端面１ａに向かって移動する。そして、余剰樹脂材６ａとＰＥＴフィルム余剰部材３ａに対し切り込みを入れる（図４）。   FIG. 4 is a diagram showing the positioning portion of the first embodiment from the top. As shown in FIG. 4, the glass end face 1 a is detected in a state where the glass substrate 1 regulated by the positioning mechanism 11 from the X and Y directions which are the long side and short side directions of the glass substrate 1 is fixed by the suction pad 12. Therefore, the fusing cutter 10 for detecting the glass end face is moved toward the glass end face 1a. Then, the surplus resin material 6a and the PET film surplus member 3a are cut (FIG. 4).

ガラス端面検出用溶断カッター１０により余剰部材に切り込みを形成することにより、次の動作のガラス端面検出用ストッパ９を切り込み部に挿入し、余剰部材の弾力に負けることなく、ガラス端面１ａの近傍まで押し込むことが可能となる。   By forming a cut in the surplus member with the glass end surface detection cutting cutter 10, the glass end surface detection stopper 9 for the next operation is inserted into the cut portion, and without losing the elasticity of the surplus member, up to the vicinity of the glass end surface 1 a. It can be pushed in.

図５は、実施の形態１にかかるガラス端面検出用溶断カッター１０の概略構成を示す図である。ガラス端面検出用溶断カッター１０はガラス基板１の位置決め変位量に追従できるよう弾性変形機構を有したステンレス線等の金属製カッター（ワイヤー１０ａ）に高温加熱させるための直流電源１５を接続したものである（図５）。   FIG. 5 is a diagram illustrating a schematic configuration of the glass end surface detection fusing cutter 10 according to the first embodiment. The glass end surface detection cutting cutter 10 is connected to a DC power supply 15 for heating at high temperature to a metal cutter (wire 10a) such as a stainless steel wire having an elastic deformation mechanism so as to follow the positioning displacement amount of the glass substrate 1. Yes (Figure 5).

図３および図４に示した構成において、図１の余剰樹脂材６ａおよびＰＥＴフィルム余剰部材３ａにガラス端面１ａまで、ガラス端面検出用溶断カッター１０によって切り込みを入れたあとガラス端面検出用溶断カッター１０を退避させる。   3 and FIG. 4, after cutting the surplus resin material 6a and the PET film surplus member 3a of FIG. 1 up to the glass end surface 1a by the glass end surface detecting fusing cutter 10, the glass end surface detecting fusing cutter 10 Evacuate.

図６は、実施の形態１のガラス端面検出用ストッパ９およびチャック８の概略構成をガラス基板断面方向から示した図である。図７は、これらガラス端面検知機構および把持機構７を上面から示した図である。図７に示すように、ガラス端面検出用溶断カッター１０の退避の後、先述した切り込み箇所にチャック８と構造を共にするガラス端面検出用ストッパ９をガラス端面１ａに押し付け、チャック把持位置を決める（図６、７）。   FIG. 6 is a diagram showing a schematic configuration of the glass end surface detection stopper 9 and the chuck 8 according to the first embodiment from the glass substrate cross-sectional direction. FIG. 7 is a view showing the glass end face detection mechanism and the gripping mechanism 7 from above. As shown in FIG. 7, after retraction of the glass end surface detecting fusing cutter 10, the glass end surface detecting stopper 9 having the structure with the chuck 8 is pressed against the glass end surface 1a at the above-described incision position to determine the chuck holding position ( 6 and 7).

図６に示すように、ガラス検出用ストッパ９はガラス基板１の位置決め変移量に追従させるため、前後軸にエアークッション機構２０またはばねを有した機構を備えている。チャック把持位置はガラス端面１ａとチャック８先端の間隔にトリミング刃３０が入るような間隔で設定されているためチャック把持位置にてチャック８を動作させ余剰樹脂材６ａおよびＰＥＴフィルム余剰部材３ａを把持する（図６、７）。   As shown in FIG. 6, the glass detection stopper 9 includes an air cushion mechanism 20 or a mechanism having a spring on the front and rear axes in order to follow the positioning displacement amount of the glass substrate 1. The chuck holding position is set such that the trimming blade 30 enters the gap between the glass end surface 1a and the tip of the chuck 8, so that the chuck 8 is operated at the chuck holding position to hold the surplus resin material 6a and the PET film surplus member 3a. (FIGS. 6 and 7).

余剰樹脂材６ａおよびＰＥＴフィルム余剰部材３ａからなる余剰部材の把持後、ガラス端面検出用ストッパ９のみ余剰部材切断の妨げとならないように退避させて、切断が出来る状態にする。この状態にてトリミング刃３０を押し付け余剰樹脂材６ａおよびＰＥＴフィルム余剰部材３ａを切断していく。   After gripping the surplus member composed of the surplus resin material 6a and the PET film surplus member 3a, only the glass end surface detection stopper 9 is retracted so as not to hinder the surplus member cutting, so that it can be cut. In this state, the trimming blade 30 is pressed to cut the surplus resin material 6a and the PET film surplus member 3a.

余剰部分の切断方法については特に方式を問わず対応が可能であり、電熱線を利用してガラス基板１に沿わせながら余剰部材を溶断する熱線方式でもよいし、回転または固定カッターにより余剰部材を切断するカッター方式など公知の手法でかまわない。   The cutting method of the surplus portion can be dealt with regardless of the method, and it may be a hot wire method in which the surplus member is melted along the glass substrate 1 using a heating wire, or the surplus member is removed by a rotating or fixed cutter. A known method such as a cutter method for cutting may be used.

切断後、余剰部材を確実に剥離、除去するために余剰部材を把持した状態で図３に示した剥離機構２１によってチャック８を上下左右回転方向に動作させる。これによって、切断により再溶着した余剰部材を強制分離し剥離しやすいように剥離起点の生成を促すことができる。即ち、剥離機構２１によって、余剰樹脂材６ａおよびＰＥＴフィルム余剰部材３ａからなる余剰部材の剥離をおこなう。これにより、再溶着による剥離異常およびガラス基板の排出異常を無くすことが可能となる。   After cutting, the chuck 8 is moved in the vertical and horizontal rotation directions by the peeling mechanism 21 shown in FIG. 3 in a state where the excess member is gripped in order to securely peel and remove the excess member. As a result, it is possible to promote the generation of the separation starting point so that the excessive member re-welded by cutting is forcibly separated and easily separated. That is, the peeling member 21 peels the surplus member composed of the surplus resin material 6a and the PET film surplus member 3a. Thereby, it is possible to eliminate the peeling abnormality due to re-welding and the discharge abnormality of the glass substrate.

剥離起点生成後、切断方向に向かって把持機構７を図２に示した走行軸２２により上記第１及び第２方向に対して共に垂直な第３方向に移動させることによりガラス端面１ａ全体の余剰部材をさらに剥離させることが出来る。また把持機構７および移動手段である走行軸２２はガラス基板１のサイズ違いに対応できるようプログラムにより移動量を自動的に変更することが可能であるため部品変更などの機種変更段取り操作が不要となる。   After the peeling start point is generated, the entire glass end face 1a is moved by moving the gripping mechanism 7 in the third direction perpendicular to the first and second directions by the traveling shaft 22 shown in FIG. 2 in the cutting direction. The member can be further peeled off. In addition, the moving amount of the gripping mechanism 7 and the traveling shaft 22 as the moving means can be automatically changed by a program so as to cope with the difference in the size of the glass substrate 1, so that a model change setup operation such as a part change is unnecessary. Become.

ガラス基板１の搬出と同時に更に余剰部材の回収を容易におこなうために、走行軸２２に沿って回収位置まで把持機構７を移動させたあと、把持機構７が備える図３に示すチャック８を開放することにより余剰部材を１箇所において回収することができ回収作業の効率向上にも繋がる。このように、把持機構７を用いて余剰部材の廃却箇所を一定の場所に設けることにより、廃却余剰部材の回収が容易となり装置内への飛散を防止するとともに機構動作範囲内に余剰部材が混入し、設備故障を防止することができる。   In order to easily collect the surplus member at the same time when the glass substrate 1 is unloaded, the gripping mechanism 7 is moved to the collection position along the traveling shaft 22 and then the chuck 8 shown in FIG. By doing so, the surplus member can be collected at one place, which leads to an improvement in the efficiency of the collection work. In this way, by providing the disposal part of the surplus member at a certain place using the gripping mechanism 7, the surplus member can be easily collected and prevented from scattering into the apparatus, and the surplus member is within the mechanism operation range. Can prevent equipment failure.

以上説明したように、本実施の形態の太陽電池モジュールの封止余剰部材除去装置においては、同じ条件下において溶断または切断が可能なように樹脂封止部材および余剰部材の固定を確実に実施し、安定した溶断および切断条件を実現するための把持手段を備える。さらに、余剰部材トリミングのための把持手段および位置決め機構を自動制御化することにより複数の基板サイズに対応することができる。これにより太陽電池モジュール製造装置の機種変更による装置切り替え時間の短縮および製造条件の幅を広げることが可能となりより品質の向上が図れる。   As described above, in the solar cell module sealing surplus member removing apparatus according to the present embodiment, the resin sealing member and the surplus member are securely fixed so that fusing or cutting is possible under the same conditions. And a gripping means for realizing stable fusing and cutting conditions. Furthermore, it is possible to cope with a plurality of substrate sizes by automatically controlling the gripping means and the positioning mechanism for trimming excess members. As a result, it is possible to shorten the device switching time by changing the model of the solar cell module manufacturing device and widen the range of manufacturing conditions, thereby improving the quality.

実施の形態２．
ガラス端面１ａの検知方法については実施の形態１のように、ガラス端面検出用ストッパ９、ガラス端面検出用溶断カッター１０などを用いた機構を利用した方法以外にも、レーザー変位センサおよび画像センサなどによりガラス端面１ａの位置を検出し、チャック８の位置を確定する方法を採用してもよい。このようにしても実施の形態１と同様な効果が得られる。 Embodiment 2. FIG.
As for the detection method of the glass end surface 1a, as in the first embodiment, a laser displacement sensor, an image sensor, etc., in addition to a method using a mechanism using a glass end surface detection stopper 9, a glass end surface detection fusing cutter 10, etc. A method of detecting the position of the glass end surface 1a and determining the position of the chuck 8 may be adopted. Even if it does in this way, the effect similar to Embodiment 1 is acquired.

実施の形態３．
把持機構７の動作については、実施の形態１における剥離機構２１の動作などのために前後左右回転が可能な機構が必要であったが、これらと同等の動作が実現可能な一般産業用ロボットなどを用いて可動機構の代替とすることもできる。即ち、剥離機構２１は、エアークッション機構２０などの空圧を用いた方法以外にも、電動機器等を利用し上下左右回転動作を備えるようにしてもよい。このようにしても実施の形態１と同様にガラス基板に再溶着した余剰部材を強制分離し剥離しやすいように剥離起点の生成を促すことが可能となる。 Embodiment 3 FIG.
Regarding the operation of the gripping mechanism 7, a mechanism capable of rotating back and forth and right and left is necessary for the operation of the peeling mechanism 21 in the first embodiment. Can be used as an alternative to the movable mechanism. That is, the peeling mechanism 21 may be provided with an up / down / left / right rotation operation using an electric device or the like in addition to a method using air pressure such as the air cushion mechanism 20. Even in this way, as in the first embodiment, it is possible to promote the generation of the separation starting point so that the surplus member re-welded to the glass substrate is forcibly separated and easily separated.

従来、太陽電池モジュールにおける表面保護部材および樹脂製封止部材の余剰部材の除去処理方法においては、切断中の切断片の状態により切断条件にばらつきが発生し、絡み、捩れ等の切断ミスおよび切断面の粗さ等の品質に関わる不具合が発生する可能性があった。また、切断片残りや回収については成り行きに任せているため、廃却処理効率が悪いという問題もあった。   Conventionally, in the method of removing the surplus member of the surface protection member and the resin sealing member in the solar cell module, the cutting condition varies depending on the state of the cutting piece being cut, cutting errors such as entanglement and twisting, and cutting There was a possibility that defects related to quality such as surface roughness would occur. Moreover, since the remaining cut pieces and recovery are left to the end, there is also a problem that the disposal efficiency is low.

これらの問題に対して、上記実施の形態においては、太陽電池モジュール切断中の余剰部材の状態を安定させるために樹脂封止余剰部材を把持し固定することにより溶断条件を均一にするための把持手段の機構を備える。これにより、樹脂封止部材および余剰部材を溶断時に把持することで溶断中に発生する封止部材の捲れや折れ曲がり等の破損を防止することが可能になる。   With respect to these problems, in the above embodiment, in order to stabilize the state of the surplus member during cutting of the solar cell module, gripping for uniform fusing conditions by gripping and fixing the resin-sealed surplus member A means mechanism is provided. Thereby, it becomes possible to prevent breakage, such as bending and bending of the sealing member that occurs during fusing by holding the resin sealing member and the surplus member at the time of fusing.

従って、溶断および切断条件を一定範囲に保つことが出来るようになり切断断面の品質向上を図ることが可能となる。さらに、ガラス端面を基準に余剰部材を把持するため、ガラス基板の位置決めばらつきによる把持ミスを防止することができる。また、ガラス端面とチャックとの間隔をある一定の範囲に保つことが可能にもなるため把持位置精度を向上させることができる。   Accordingly, the fusing and cutting conditions can be maintained within a certain range, and the quality of the cut section can be improved. Furthermore, since the surplus member is gripped on the basis of the glass end face, it is possible to prevent a gripping error due to the positioning variation of the glass substrate. In addition, since the distance between the glass end surface and the chuck can be kept within a certain range, the gripping position accuracy can be improved.

更に、本願発明は上記実施の形態に限定されるものではなく、実施段階ではその要旨を逸脱しない範囲で種々に変形することが可能である。また、上記実施の形態には種々の段階の発明が含まれており、開示される複数の構成要件における適宜な組み合わせにより種々の発明が抽出されうる。   Furthermore, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention in the implementation stage. Further, the above embodiments include inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent requirements.

例えば、上記実施の形態１乃至３それぞれに示される全構成要件からいくつかの構成要件が削除されても、発明が解決しようとする課題の欄で述べた課題が解決でき、発明の効果の欄で述べられている効果が得られる場合には、この構成要件が削除された構成が発明として抽出されうる。更に、上記実施の形態１乃至３にわたる構成要件を適宜組み合わせてもよい。   For example, even if some constituent elements are deleted from all the constituent elements shown in each of the first to third embodiments, the problem described in the column of the problem to be solved by the invention can be solved, and the column of the effect of the invention. When the effects described in (1) are obtained, a configuration in which this configuration requirement is deleted can be extracted as an invention. Furthermore, the structural requirements over the first to third embodiments may be combined as appropriate.

以上のように、本発明にかかる太陽電池モジュールの封止余剰部材除去装置は、ガラス基板に樹脂製封止部材を熱処理工程により接着させた場合の余剰部材除去に有用であり、特に、太陽電池モジュール製造のために太陽電池素子を保護するために接着した部材がガラス基板からはみ出した余剰部材の除去に適している。   As described above, the sealing surplus member removing device for a solar cell module according to the present invention is useful for removing surplus members when a resin sealing member is bonded to a glass substrate by a heat treatment step, and in particular, a solar cell. A member bonded to protect the solar cell element for module manufacture is suitable for removing an excess member protruding from the glass substrate.

１ ガラス基板
１ａ ガラス端面
２ 樹脂封止部材
３ ＰＥＴフィルム材
３ａ ＰＥＴフィルム余剰部材
６ エチレンビニルアセテート（ＥＶＡ）
６ａ 余剰樹脂材
７ 把持機構
８ チャック
９ ガラス端面検出用ストッパ
１０ ガラス端面検出用溶断カッター
１０ａ 金属製カッター（ワイヤー）
１１ 位置決め機構
１２ 吸着パッド
１５ 直流電源
２０、２０’ エアークッション機構（シリンダ）
２１ 剥離機構
２２ 走行軸
３０ トリミング刃 DESCRIPTION OF SYMBOLS 1 Glass substrate 1a Glass end surface 2 Resin sealing member 3 PET film material 3a PET film surplus member 6 Ethylene vinyl acetate (EVA)
6a surplus resin material 7 gripping mechanism 8 chuck 9 stopper for glass end face detection 10 fusing cutter for glass end face detection 10a metal cutter (wire)
11 Positioning mechanism 12 Suction pad 15 DC power supply 20, 20 ′ Air cushion mechanism (cylinder)
21 Peeling mechanism 22 Traveling axis 30 Trimming blade

Claims (4)

太陽電池モジュールのガラス基板上に熱処理により接着された封止部材の前記ガラス基板の上からはみ出した封止余剰部材を把持する把持手段と、
前記ガラス基板の端面の位置情報を検出する検出手段と、
前記検出手段が検出した前記位置情報に基づいて前記封止余剰部材を前記把持手段により把持した状態で、前記ガラス基板上の前記封止部材から前記封止余剰部材を切断する切断手段と、
を備えることを特徴とする太陽電池モジュールの封止余剰部材除去装置。 A gripping means for gripping the sealing surplus member protruding from the glass substrate of the sealing member bonded to the glass substrate of the solar cell module by heat treatment;
Detecting means for detecting position information of an end face of the glass substrate;
Cutting means for cutting the sealing surplus member from the sealing member on the glass substrate in a state where the sealing surplus member is gripped by the gripping means based on the position information detected by the detection means;
An excess sealing member removing device for a solar cell module, comprising: 前記検出手段はガラス端面検出用溶断カッターおよびガラス端面検出用ストッパにより構成され、
前記切断手段は前記ガラス端面検出用溶断カッターである
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の封止余剰部材除去装置。 The detection means is constituted by a glass end face detection fusing cutter and a glass end face detection stopper,
The said cutting | disconnection means is the said cutting cutter for glass end surface detection. The sealing surplus member removal apparatus of the solar cell module of Claim 1 characterized by the above-mentioned. 前記切断手段は、回転または固定カッターにより余剰部材を切断するカッター方式を用いる
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の封止余剰部材除去装置。 The said cutting | disconnection means uses the cutter system which cut | disconnects a surplus member with a rotation or a fixed cutter. The sealing surplus member removal apparatus of the solar cell module of Claim 1 characterized by the above-mentioned. 前記把持手段は、前記端面に垂直な第１方向、前記ガラス基板の表面に垂直な第２方向、および前記第１及び第２方向に対して共に垂直な第３方向に移動可能となる移動手段をさらに備える
ことを特徴とする請求項１、２または３に記載の太陽電池モジュールの封止余剰部材除去装置。 The grip means is movable in a first direction perpendicular to the end face, a second direction perpendicular to the surface of the glass substrate, and a third direction perpendicular to both the first and second directions. The surplus sealing member removing device for solar cell modules according to claim 1, 2 or 3, further comprising:
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