CN205890134U - Photovoltaic module lamination frame - Google Patents

Abstract

The utility model relates to a photovoltaic module lamination frame, the frame includes interior frame and outline, and the whole of frame is the rectangle structure, inboard area of frame and the big or small looks adaptation of the area of treating the lamination piece in the rectangle, and rectangular surround's thickness is the same with the thickness of treating the lamination piece. Because photovoltaic module lamination frame is the same with the thickness of lamination piece, make and treat that the lamination piece is even at lamination in -process surface the stress, the internal flow that reduces the encapsulating material makes the possibility that the battery cluster takes place to remove reduce, because two -layer frame inside and outside having adopted for the high polytetrafluoroethylene's of comparative difference in cost frame width can be done narrowlyer, the atress condition when rationally optimizing lamination piece lamination, thereby improve lamination piece crosslinking degree all around and improve the bonding force, avoid when the lamination simultaneously the lamination piece all around backplate, encapsulating material and toughened glass form inclosed cavity in the effect of silica -gel plate, provide the passageway for the inside gaseous derivation of lamination piece.

Description

A kind of photovoltaic module is laminated frame

Technical field

This utility model is related to process the aid technical field of photovoltaic products and in particular to a kind of photovoltaic module is laminated Frame.

Background technology

, when being laminated, in order to prevent part to be laminated to be contaminated, before lamination, part to be laminated is upper for photovoltaic module at present Lower two sides is intended to be covered using not sticky cloth and is laminated subsequently into laminating machine.It is divided into two chambers, two chambeies inside laminating machine Separated using silica gel plate between room, two chambers all have trachea to connect vacuum pump, so that by upper and lower in lamination process simultaneously Two chambers pumping or inflation reach the effect removing part air entrapment to be laminated and being compacted part to be laminated.Laminating machine is in implementation level It is generally divided into following step: 1, upper and lower chamber carries out evacuation simultaneously during pressure；2nd, upper chamber is inflated by gas pair Silica gel plate applies pressure, thus applying pressure and keep a period of time to the laminate of lower chambers；3rd, upper chamber's pumping lower chambers Inflation is so that lower chambers air pressure inside is consistent with atmospheric pressure；4th, take out laminate；In lamination, laminate state is glass surface court Lower entrance laminating machine, is eva, battery strings, eva, backboard successively above glass.The problem master being likely to occur in traditional laminating technology Have: all around bonding force is low for battery strings displacement, laminate hungry area, laminate bubble, laminate.

The reason battery strings displacement: the work of glass material internal stress and encapsulating material heat shrinkable power due to due to be heated With under, the upturned all around of glass can be freeed, simultaneously eva melt produce flowing, the flow direction of evacuation gas is in silica gel Battery strings can be driven to be moved in the presence of the pressure that plate applies.Etc. to be laminated complete assembly cooling after can find battery strings it Spacing defection changes, and assembly can be caused when sometimes changing greatly to scrap.

The reason laminate hungry area: laminating machine is by the inflation of within the chamber upwards and bottom chamber evacuation is so that silica gel Plate applies certain pressure to laminate, so that the eva within laminate is evenly distributed under the effect of the pressure, but has lamination Part has certain thickness in itself, silica gel plate when applying pressure in laminate all around can be blocked up really up to the mark former due to silica gel plate Because the pressure herein diminishes, simultaneously because the prolongation over time of the mobility of the crosslinked effect eva of eva is reducing, so All around it is very easy to that hungry area phenomenon occurs.

The reason laminate bubble: ibid silica gel plate apply pressure when in laminate all around can be due to silica gel plate mistake Thicker than hard, backboard sticking together with safety glass tightly can be made under the effect of the pressure, once the back plate edges of certain Beyond glass edge when, this edge will be compacted by backboard, and eva during the gas communication channel blockage overlong time on this side is handed over Connection completes eva fluid ability and declines formation bubble.

The laminate low reason of bonding force all around: all around stress is less than internal for laminate, and eva is in the degree of cross linking herein Can decrease, and the degree of cross linking reduces and will reduce along with bonding force.

Utility model content

The purpose of this utility model is to overcome defect of the prior art, and design one kind is prevented from electricity in part to be laminated Pond string moves, effectively solving part to be laminated rim pressure unbalance stress and photovoltaic module lamination frame the problems such as bubble.

For achieving the above object, this utility model be the technical scheme is that

A kind of photovoltaic module is laminated frame it is characterised in that described frame includes interior frame and outer rim, described frame Generally rectangular configuration, inside described rectangle interior frame, area is adapted with the size of part to be laminated, and rectangular shaped rim Thickness is identical with the thickness of part to be laminated.

Wherein preferably technical scheme is that described interior frame is made up of frame and c type buckle, described interior frame be provided with The hole that c type buckle is adapted, described c type buckle and interior frame socket connection, and the top of described c type buckle are upper with interior frame Surface is in same level.

Further preferred technical scheme is, is fitted close with the outside of interior frame inside described outer rim, outer rim with The thickness of interior frame is identical.

Further preferred technical scheme also has, and described interior frame is made using polytetrafluoroethylmaterial material, described outer rim For rustless steel frame.

Advantage of the present utility model and having the beneficial effects that: described photovoltaic module is laminated the thickness phase of frame and laminate Same, make part to be laminated entirety uniform force in surface in lamination process, the internal flow reducing encapsulating material makes battery strings send out The probability of raw movement reduces；Due to employing inside and outside two-layer frame so that the frame width of the higher politef of cost Degree can be made more narrow, and rustless steel outer rim can bear larger extruding force, and reasonably optimizing laminate is laminated When stressing conditions, improve the laminate degree of cross linking all around thus improving bonding force, simultaneously lamination when avoid in laminate All around backboard, encapsulating material and safety glass form airtight chamber in the effect of silica gel plate, to laminate internal gas Derive and passage is provided.The assembly making reduce in lamination process evacuation generation the impact to battery strings movement for the air-flow it is ensured that Assembly the distance between battery strings after the completion of lamination keep in the reasonable scope, alloing the gas within laminate simultaneously The generation avoiding bubble is run out of inside laminate；Also make pad when being heated due to material itself by c shape click-on design The pad causing that expands with heat and contract with cold deforms, and extends the service life of pad.The discharge of laminating machine internal gas also promotes eva's Flowing, whole process avoids the generation of the defect problems such as hungry area, bubble, thus ensureing the qualification rate of laminate.

Brief description

Fig. 1 is the overall structure diagram that this utility model photovoltaic module is laminated frame；

Fig. 2 is the use state schematic diagram that this utility model photovoltaic module is laminated frame；

Fig. 3 is the use state cross-sectional schematic that this utility model photovoltaic module is laminated frame.

In figure: 1, interior frame；2nd, outer rim；3rd, c type buckle；4th, silica gel plate；5th, part to be laminated.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement Example is only used for clearly the technical solution of the utility model being described, and can not limit protection model of the present utility model with this Enclose.

As shown in accompanying drawing 1 ~ 3: this utility model is a kind of photovoltaic module lamination frame, including interior frame 1, outer rim 2, institute State frame generally rectangular shaped rim structure, rectangle interior frame 1 inner side area is adapted with the size of part 5 to be laminated, and square The thickness of shape interior frame is identical with the thickness of part 5 to be laminated, and outer rim 2 inner side is fitted close with the outside of interior frame 1, outer rim 2 is identical with the thickness of interior frame 1；Outer rim 2 is identical with the thickness of laminate 5 with interior frame 1, so that part 5 to be laminated had been laminated Entirety uniform force in surface in journey, the internal flow reducing encapsulating material makes the probability that battery strings are moved reduce；Institute State interior frame 1 to be made up of frame and c type buckle 3, the hole being adapted with c type buckle 3, described c type are provided with described interior frame Buckle 3 and interior frame socket connection, and the upper surface of the top of described c type buckle 3 and interior frame 1 is in same level；Logical Cross click-on design also so that pad when being heated due to material expand with heat and contract with cold in itself cause pad deformation, extend making of pad Use the life-span.The discharge of laminating machine internal gas also promotes the flowing of eva, and whole process avoids the defects such as hungry area, bubble The generation of problem, thus ensure the qualification rate of laminate；Described interior frame 1 is made using polytetrafluoroethylmaterial material, described outside Frame 2 is rustless steel frame.

Embodiment:

This utility model photovoltaic module lamination frame is adapted with the thickness of part 5 to be laminated and size, during lamination process, will Its spiral-lock in the surrounding of part 5 to be laminated, due to identical with the thickness of part 5 to be laminated it is ensured that the stress of part 5 upper surface to be laminated Uniformly, the assembly making reduces the impact to battery strings movement for the air-flow of evacuation generation it is ensured that assembly is in layer in lamination process After the completion of pressure, the distance between battery strings keep in the reasonable scope.Ensure that part 5 edge in lamination process to be laminated is subject to simultaneously The more uniform generation reducing the defect problems such as foaming of pressure ratio arrived.

Laminating machine is by the inflation of within the chamber upwards and bottom chamber evacuation is so that silica gel plate 4 is pressed to laminate applying Certain pressure, is to be overflowed due to the eva that part 5 edge to be laminated has thawing in lamination process before, and part to be laminated 5 Body has certain thickness marginal portion in lamination process to there may be the uneven state of pressure so that part to be laminated completes to be laminated Rear edge portion separates the phenomenons such as existing foaming, is arranged on 5 four sides of part to be laminated by above-mentioned frame, effectively blocks in layer Battery strings are driven to move during the eva spilling having thawing during pressure, thus producing defective products, frame increased laminate and silicon The contact area of offset plate 4, during by upper chamber's gas pressure, laminated compenent edge increased stress surface with the combination of frame Long-pending so as to the air pressure that is subject to of module edge is consistent, meanwhile, frame can make the battery strings of part to be laminated produce to shift it is ensured that group Part the distance between battery strings after the completion of lamination keep in the reasonable scope.

This utility model, when using, can avoid silica gel plate 4 and laminate four edge formation gap, and make laminate side Edge and internal uniform force；The thickness of frame should be confirmed first, the rear degree of frame directly affects laminate on lamination process side The stressing conditions of edge, confirm the thickness of frame, the thickness of frame by measuring the depth information of the internal zones of different of laminating machine Substantially it is consistent with laminate thickness；Thickness is confirming border width after confirming, gasket width needs the thickness according to silica gel plate 4 Degree and hardness confirm, different silica gel plate 4 and the formation of laminate edge when being under pressure of soft or hard degree of different silica gel plates 4 The width in gap is different, and the width of frame needs width more than the gap bonding force to ensure laminate edge.Logical Cross setting c type buckle 3 attachment means, and the position of rational deployment c shape buckle 3 reaches so that the smooth discharge of laminate internal gas Purpose.The design of c shape buckle 3 simultaneously also makes frame when being heated because the expand with heat and contract with cold frame that causes of material in itself becomes Shape, extends the service life of frame.The discharge of laminating machine internal gas also promotes the flowing of eva, whole process it is avoided that The generation of the defect problem such as hungry area, bubble.In the internal uniform force of laminating machine and gas discharge is smooth regular, for laminate Reduce the amplitude of variation situation in laminate internal displacement for the battery strings eventually, thus avoiding the misalignment of battery strings.

Relational language is explained:

Part to be laminated: according to certain order, glass, eva, battery strings group are loaded together, wait undone light to be laminated Volt assembly.

Not sticky cloth: from the fiberglass braided various base fabric of import, be coated with politef., through special process Process.It is a kind of high-performance, multiduty composite products.Mainly for the protection of part to be laminated in lamination process Prevent from being contaminated.

Bubble: part to be laminated in lamination process due to Equipment or other reasonses, inside the part to be laminated causing The bubble that air is not run out of and formed in the state of evacuation.

Hungry area: the mobility due to the effect eva of the eva degree of cross linking can reduce, when flowing reduce when eva can not fill completely whole Space in the middle of individual safety glass and backboard, thus the white space being formed.

The above is only preferred implementation of the present utility model it is noted that common skill for the art For art personnel, on the premise of without departing from this utility model know-why, some improvements and modifications can also be made, these change Enter and retouch also to should be regarded as protection domain of the present utility model.

Claims (2)

1. a kind of photovoltaic module lamination frame is it is characterised in that described frame includes interior frame and outer rim, described frame whole Body is rectangular configuration, and inside described rectangle interior frame, area is adapted with the size of part to be laminated, and the thickness of rectangular shaped rim Degree is identical with the thickness of part to be laminated, the outside tight fit with interior frame, outer rim and interior frame inside described outer rim Thickness is identical, and described interior frame is made using polytetrafluoroethylmaterial material, and described outer rim is rustless steel frame.

2. photovoltaic module lamination frame as claimed in claim 1 is it is characterised in that described interior frame is by frame and c type buckle Composition, described interior frame is provided with the hole being adapted with c type buckle, described c type buckle and interior frame socket connection, and described c The top of type buckle and the upper surface of interior frame are in same level.