CN206878020U - Stacked tile type solar photovoltaic assembly and production equipment - Google Patents
Stacked tile type solar photovoltaic assembly and production equipment Download PDFInfo
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- CN206878020U CN206878020U CN201720794409.4U CN201720794409U CN206878020U CN 206878020 U CN206878020 U CN 206878020U CN 201720794409 U CN201720794409 U CN 201720794409U CN 206878020 U CN206878020 U CN 206878020U
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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
- 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
- Y02E10/52—PV systems with concentrators
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of stacked tile type solar photovoltaic assembly and production equipment, photovoltaic module includes one or more solar cell strings and the bypass lead set along battery strings length direction, bypass lead is located at the centre of adjacent solar battery string, or the outside of the solar cell string of module edge；Solar cell string is connected to form parallel connection by contact conductor with bypass lead；Bypass wire ends are connected with the bypass bus bar of solar cell string end, are shared by-pass current by more bypass leads, are reduced caloric value.
Description
Technical field
The utility model belongs to technical field of solar batteries, more particularly to a kind of stacked tile type solar photovoltaic assembly and life
Produce equipment.
Background technology
Solar cell is a kind of device that luminous energy is converted into direct current using photovoltaic effect.According to photoelectricity
The difference of transition material, solar cell include monocrystalline silicon, polysilicon, amorphous silicon membrane, Cadimium telluride thin film, and copper and indium gallium tin is thin
Multiple species such as film, GaAs, fuel sensitization, perovskite, lamination.Most common of which is crystal silicon solar energy battery, including
Monocrystaline silicon solar cell and polysilicon solar cell.Solar cell is usually sheet, can absorb luminous energy and by its turn
The one side for turning to electric energy is referred to as extinction face or front, is simultaneously referred to as the back side in addition.For part solar cell, its back side
It is electric energy that can also absorb and convert luminous energy, and these solar cells are referred to as double-side cell.
By multiple solar cell electricity interlinkage post packages in glass or organic polymer, what is obtained can be long-term use of
Photovoltaic apparatus, be referred to as photovoltaic module.Cell piece mutual contact mode in Crystalline Silicon PV Module, common are cell piece
Order arranges, and using the tin-coated welding strip containing Copper base material as interconnecting strip, the front that interconnecting strip one end is welded on first cell piece is main
On grid line, the interconnecting strip other end is welded on the back side grid line of second adjacent cell piece.The both ends of second interconnecting strip point
It is not welded in the front main grid line of second cell piece and the back side grid line of the 3rd cell piece, the like.Thus by institute
Some cell pieces are connected into a string.
The technology that stacked wafer moudle interconnects using another cell piece.The one of solar battery sheet first is placed on another
The lower section of one cell piece second, the positive gate line electrode in the cell piece first side and the electrode at the second back side is set to overlap.In two electricity
Formed and be conductively connected using conductive material between pole.At the same time, the opposite side of cell piece second is placed in the lower section of cell piece third,
So that the positive gate line electrode of second opposite side and the electrode at third back side overlap, between two electrodes using conductive material shape
Into being conductively connected.After the same method, multi-disc cell piece can be sequentially interconnected in form battery strings.
The electrode pattern of laminated batteries piece front and back, prepared by the method to be metallized in solar cell surface.
Conventional method for metallising is that the electrocondution slurry containing Argent grain is printed on into battery table by the way of silk-screen printing adds sintering
Face, by the half tone graphic designs for adjusting silk-screen printing, thus it is possible to vary electrode pattern.
Crystal silicon solar energy battery is in addition to electrode zone, and positive generally use silicon nitride film, the back side is usually screen printing
The aluminum slurry of brush.For some special solar cells, as positive and negative can light-absorbing double-side cell, its back side electricity
Region surface beyond pole also uses silicon nitride film rather than aluminum slurry.
Conductive material in stacked wafer moudle between battery plate electrode includes conducting resinl, conductive tape, the material such as welding or tin cream
Material.According to the characteristic of conductive material, corresponding preparation method should be selected.Battery for forming electricity interlinkage using conducting resinl
String, the method that point gum machine or silk-screen printing can be used.
The main component of conducting resinl includes resin material matrix and metal packing.Metal packing therein be typically silver or
The particle of argentiferous.Compared with conventional painting tin copper strips, conducting resinl can not only be formed with silver paste good mechanical adhering force with
It is conductively connected, while good bonding can also be formed with other surfaces of cell piece, such as silicon nitride film layer, or silicon materials.
Because silver is a kind of noble metal, therefore the cost containing silver-colored solar cell size and conducting resinl is all relatively more high
It is expensive.Cheap metal material such as copper, aluminium, nickel, or for example various carbon materials of non-metallic conducting material, tin indium oxide etc. can be used
The silver in slurry or conducting resinl is substituted, suitably can also reduce the area of silver paste covering on the surface of cell piece.
Prior art, with reference to figure 1, the bypass lead in stacked wafer moudle is located at the back side of solar cell string, is
Short circuit is prevented, has an insulation filler strip between bypass lead and solar cell string.
The shortcomings that prior art 1：When shadow occlusion causes the bypass diode to open, the electric current of several battery strings in parallel leads to
Cross contact conductor and be all flowed to bypass lead, by Ohm's law, the caloric value of resistance is directly proportional to current squaring, therefore bypasses
Lead caloric value is larger.Shortcoming 2：Insulation filler strip adds the material cost and process complexity of component.Shortcoming 3：Bypass lead
Shadow occlusion is formed to cell backside with insulation filler strip, if using double-side cell, the shadow occlusion can influence the generating at the back side
Amount, and hot spot effect is caused, influence photovoltaic module long-term reliability.
Utility model content
To solve the problems, such as that prior art is present, a kind of stacked tile type solar photovoltaic assembly of the utility model and production are set
It is standby, share by-pass current by more bypass leads, reduce caloric value, and avoid the shadow occlusion to cell backside.
To reach above-mentioned purpose, the technology of preparing scheme that the utility model uses for：
A kind of stacked tile type solar photovoltaic assembly, including one or more solar cell strings and along battery strings length direction
The bypass lead of setting, bypass lead are located at the centre of adjacent solar battery string, or the solar cell string of module edge
Outside；Solar cell string is connected to form parallel connection by contact conductor or shunt leads with bypass lead；Bypass wire ends
It is connected with the bypass bus bar of solar cell string end.
Width of the described contact conductor along solar cell string is set, and the multiple solar cells do not gone together are ganged up
Cross across contact conductor form parallel connection；, will be same or length direction of the described contact conductor along solar cell string is set
The adjacent solar cell string of a line is connected, the sun that the contact conductor do not gone together will not gone together by shunt leads connection
Can battery series-parallel connection.
Described bypass bus bar and the end busbar arranged superposed of solar cell string the same side, and bypass bus bar with
Pass through felt pad bar insulation between the busbar of end.
Between described end busbar and bypass bus bar, or between bypass bus bar and bypass bus bar, access is other
Road diode.
Described contact conductor, shunt leads and bypass lead is the metal welding coated with Sn-containing alloy in Copper base material
Band, metal welding band section is circle, triangle, rectangle, round rectangle or zigzag, and sectional area is more than 0.01mm2, less than 4mm2。
On gap between adjacent solar battery string, the position in addition to contact conductor, shunt leads or bypass lead,
Orienting reflex material is set, and orienting reflex material is the reflective membrane that there is crenellation pattern on surface.
Described contact conductor has hole with punching on bypass lead or is provided with groove.
A kind of production equipment of stacked tile type solar photovoltaic assembly, for making the bypass of stacked tile type solar photovoltaic assembly
Wire and bypass bus bar attachment structure, including the fixed traction support being arranged parallel to and mobile towing bracket, it is fixed
Horizontal guide rail is vertically installed with towing bracket, mobile towing bracket can translate along horizontal guide rail；Set on mobile towing bracket
There is fixed wire-drawing frame, fixed wire-drawing frame is used to pull out bypass wire at fixed traction support；Under fixed traction support
Side is provided with the welding bench for welding bypass wire and bypass bus bar；It is provided with the inside of fixed traction support for cutting off
Bypass the chopper of wire.
Welding bench is respectively provided with below fixed traction support and mobile towing bracket；During welding, bypass wire is led by fixation
Draw support to clamp with corresponding welding bench with corresponding welding bench, mobile towing bracket.
Also include staking punch, staking punch is arc convex structure, and staking punch punching press bypass lead forms it into arcuate line segment
Groove.
Relative to prior art, the utility model has following benefit：
Stacked tile type solar photovoltaic assembly of the present utility model, the battery that will do not gone together by shunt leads, bypass lead
String carries out parallel connection, and bypass lead is arranged between battery strings or side, avoids the insulation between bypass lead and battery strings
The use of bar, shadow occlusion is not formed to battery strings front and back, improves the illumination utilization rate of battery, suitable for it is two-sided too
The double-side assembly that positive energy battery is formed.And share by-pass current by more bypass leads, so as to reduce caloric value.
Further, contact conductor, shunt leads use the metal welding that Sn-containing alloy is coated with Copper base material with bypass lead
Band, part above or the reflection of whole light can will be radiated at, and by the reflection of component package material such as glass or backboard,
Reflection light is radiated at solar battery surface, so as to lift the luminous flux of solar cell absorption, and then lifting assembly generated energy.
Further, using circular, triangle or zigzag bypass lead, component front lighting thereon will can be radiated at
Line, and the light reflection at the double-side assembly back side, and absorbed again by solar cell by the reflection of assembly surface, so as to carry
Rise generated energy.
Further, the reflective membrane that there is crenellation pattern on surface can reflect the light being radiated at thereon, and pass through component
The reflection on surface is absorbed by solar cell again, so as to lift generated energy.
Further, punching or fluting on metal welding band, welding internal residual stress during so as to reduce welding, avoid causing electricity
Piece rupture in pond hidden is split.
Production equipment of the present utility model, welded after bypass wire is contacted with bypass bus bar, pass through movement
Towing bracket is moved along horizontal guide rail, and traction bypass wire according to demand cut by length, makes bypass lead and bypass
The attachment structure of busbar.It can realize batch production, and length can carry out the cutting of random length according to the actual requirements, it is full
The battery component production of sufficient different size.
Further, welding bench is provided with below fixed, mobile towing bracket, bypass lead is clamped, then movement is led
Draw bypass lead of the welding mechanism in support to lower section to weld with bypass bus bar, play the work that bypass lead clamps
With, it is not necessary to the clamping wire-drawing mechanism of individually designed bypass lead.
Further, the staking punch punching press downwards in manufacturing process, so as to form the recessed of arcuate line segment in lead is bypassed
Groove.When bypassing lead and meeting with lamination or the thermal stress such as thermal shock, the deformation such as elongate or shorten of arcuate line segment groove can be with
The stress in bypass lead is absorbed, so as to avoid bypassing wire squass or displacement.
Brief description of the drawings
Fig. 1 is stacked tile type solar photovoltaic assembly structural representation of the prior art；
Fig. 2 is stacked tile type solar photovoltaic assembly structural representation one of the present utility model；
Fig. 3 is stacked tile type solar photovoltaic assembly structural representation two of the present utility model；
Fig. 4 is component version type structural representation of the present utility model；
Fig. 5 is bypass lead and the production equipment schematic diagram of bypass bus bar structure；
Fig. 6 be bypass lead on have the punch forming schematic diagram of arcuate line segment.
Wherein, 1 is Al-BSF, and 2 be bypass lead, and 3 be contact conductor, and 4 be insulation filler strip, and 5 be bypass bus bar, and 6 are
Lead is held, 7 be bypass diode, and 8 be shunt leads, and 9 be cell piece, and 10 be end busbar, and 11 be bypass wire spool, and 12 are
Chopper, 13 be horizontal guide rail, and 14 be bypass wire, and 15 be fixed traction support, and 16 be groove, and 17 be welding bench, and 18 be shifting
Dynamic towing bracket, 19 be staking punch.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail：
The utility model provides one kind and can be used for lamination photovoltaic module, and half section battery component, 1/3 section battery
The edition type design scheme of component, full wafer battery component, and can be used for two-sided stacked wafer moudle.Solar battery sheet can be positive and negative
Face can absorb the double-side cell piece of light generating.
A kind of stacked tile type solar photovoltaic assembly, component is interior to contain one or more solar cell strings, each solar energy
Battery strings are made up of two or more solar battery sheets.Adjacent two panels solar battery sheet in same solar cell string
Adjacent edge is overlapped, and overlapping widths are at 0.2 to 2.5 millimeters.
Overlapping region uses conductive material first, such as conducting resinl, is formed and is conductively connected between two cell pieces.
Overlapping region is used with the material second with cementability, such as glue, adhesive tape, solder or welding after cementability or surface thawing,
Two cell pieces are linked together.Adhesives second and conductive material first can be same materials.
As shown in Figures 2 and 3, in the cell piece among solar cell string, there are one piece or more block cell piece and metal
Contact conductor 3 is connected.Connected mode includes contact conductor 3 and the metallic electrode in cell piece front or the back side directly turns on.Electricity
The mode that pole lead 3 forms electrical interconnection with metallic electrode includes directly welding, welded indirectly by other materials, by leading
Electric glue sticking.Contact conductor can be straight wire or the conductive strips after the processing such as punch, slot.Electrode draws
Line 3 can be across the width of multiple battery strings, and parallel connection is formed between these battery strings.
Contact conductor 3 can only connection single battery string, and by shunt leads 8 by the contact conductor of different battery strings simultaneously
Connection.
Contact conductor 3 or shunt leads 8 are connected by bypassing lead 2 with bypass diode 7.Lead 2 is bypassed positioned at adjacent
Between solar cell string, or the outside of the solar cell string of module edge.The quantity for bypassing lead 2 is not less than two.Phase
Adjacent battery strings can share a bypass lead 2.Different bypass leads 2 may be coupled to same root bypass bus bar 5, and lead to
Cross bypass bus bar 5 and connect bypass diode 7.
The mode of electrical interconnection is formed between contact conductor 3, shunt leads 8, bypass lead 2, bypass bus bar 5 to be included directly
Weld, welded indirectly by other materials, pass through conductive adhesive.
Contact conductor 3, shunt leads 8 and bypass lead 2 can be the metal welding bands coated with Sn-containing alloy in Copper base material,
Section can be circular, triangle, rectangle, round rectangle, zigzag, and sectional area is more than 0.01mm2, less than 4mm2。
Contact conductor 3, shunt leads 8 and bypass lead 2, can will be radiated at part above or the reflection of whole light,
And by the reflection of component package material such as glass or backboard, reflection light is radiated at solar battery surface, so as to be lifted too
The luminous flux that positive electricity pond absorbs, and then lifting assembly generated energy.
Between battery strings, without contact conductor 3, shunt leads 8 or the position for bypassing lead 2, it is anti-that orientation can be placed
Material is penetrated, as there is the reflective membrane of crenellation pattern on surface, so as to which the light being radiated at thereon be reflected, and passes through assembly surface
Reflection is absorbed by solar cell again, so as to lift generated energy.
As shown in figure 4, there is end lead 6 at the both ends of solar cell string.End lead can be coated with stanniferous in Copper base material
The metal welding band of alloy, thickness can be 0.02-0.40mm, and width can be 0.5-30mm.On metal welding band can punching or
Fluting, welding internal residual stress during so as to reduce welding, avoid causing cell piece from rupturing or hidden split.
The end lead 6 of adjacent solar battery string can be overlapped mutually, and formation conducts.The end of adjacent solar battery string
Lead 6 can be formed by the end busbar 10 connected jointly and conducted.Hold busbar 10 and bypass bus bar 5 can phase mutual respect
Fold, centre insulating materials such as polyimide film, pellosil, polyethylene terephthalate film separates.Insulating materials can be with
It is transparent material.
End lead 6 or end busbar 10 on the outside of battery strings can fold into the back side on the inside of battery strings.
Hold between busbar 10 and bypass bus bar 5, or between bypass bus bar 5 and bypass bus bar 5, can basis
Need to access bypass diode 7.As shown in Figure 3.For some components, it may be necessary to the bypass diode 7 of more than 3, at this moment
Except the diode 7 at both ends is respectively positioned at two end busbars 10 and current potential therewith between immediate two bypass bus bars
Outside, other bypass diodes are located between the bypass bus bar of different potentials.
Solar cell string, contact conductor 3, shunt leads 8, bypass lead 2, end lead 6, bypass bus bar 5, end are confluxed
Bar 10 etc. can pass through the material packages such as encapsulating material such as ethylene-vinyl acetate copolymer, polyolefin, silica gel.Encapsulating material
Outside front, glass, ethylene-tetrafluoroethylene copolymer or other light transmissive materials can be used to form foreboard.Outside encapsulating material
Side back face, the materials such as glass, photovoltaic back, glass mat can be used to form backboard.
Can be with perforate or fluting on the foreboard or backboard of component, and lead 2, bypass bus bar 5, end lead 6, end will be bypassed
Busbar 10 or its connecting wire are therefrom drawn, so as to which bypass diode 7 is placed on the outside of component.Above-mentioned bypass lead 2, side
Road busbar 5, end lead 6, busbar 10 or its connecting wire are held, drawn in crack that can also be between foreboard and backboard.
Bypass lead 2, bypass bus bar 5, end lead 6, end busbar 10 or its connecting wire on the outside of above-mentioned extraction component, and it is other
Road diode 7, it can be placed in one or more photovoltaic junction boxes.The material of photovoltaic junction box can be polyphenylene oxide, poly- carbonic acid
The engineering plastics such as ester.Can be with insulating materials such as filling gels in photovoltaic junction box.
Include end busbar 10 or its connecting line photovoltaic junction box can simultaneous with one or two photovoltaic cables with
Corresponding connector, the photovoltaic cable turn on end busbar or its connecting line.
Photovoltaic junction box can be connected with various photovoltaic optimizers, Miniature inverter, or by photovoltaic optimizer or miniature
Inverter is replaced.The edge of above-mentioned photovoltaic module, can be with installation frame.Frame can completely or partially enclose photovoltaic group
The edge of part.The material of frame can be various aluminium alloys, or the plastic material such as polyurethane containing glass fibre.Frame
Between component, silica gel or rubber belt sealing and fixation can be used.
The design of the above-mentioned bypass lead among adjacent solar battery string, can also be used to connect using bypass lead
Other photovoltaic modulies of bypass diode are connect, such as half battery component, three/a piece of battery component, full wafer battery component etc..
A kind of component version type using 2 diodes is as shown in figure 4, the two panels battery among battery strings passes through contact conductor
3 are connected, and contact conductor 3 is connected with the positive and negative electrode of the cell piece of both sides respectively.The contact conductor 3 of six battery strings passes through one
Root shunt leads 8 is connected, and shunt leads is diameter 0.5mm circular photovoltaic welding belt., there are 5 sides the centre two-by-two of 6 battery strings
Pass line 2, bypass lead are diameter 0.5mm circular photovoltaic welding belts.Converged respectively with bypass with middle at 2 ends of 5 bypass leads
Stream bar 5 and shunt leads 8 weld.There is end lead 6 at 2 ends of 6 battery strings, and the end lead of homonymy is by holding busbar 10 to be formed
It is in parallel.End busbar coincides with the upper and lower with bypass bus bar, and centre insulation filler strip 4 separates.Left shunt busbar and same side
A bypass diode is accessed between busbar.Right accessory pathway busbar and with also accessed between the busbar of side one bypass two poles
Pipe.Above-mentioned 2 bypass diodes are respectively in 2 terminal boxes at the end of component 2.Two terminal boxes respectively draw single line cable.
Above-mentioned shunt leads 8, bypass lead 2 and bypass bus bar 5, under photovoltaic module normal operating conditions, no current
By or only Weak current passes through.When the subregion of photovoltaic module operation irregularity, such as component is blocked by shadow, or
Component bypasses lead and bypass bus bar, while companion there occurs that during hot spot effect, can have substantial amounts of electric current by shunt leads
With the conducting of bypass diode, so as to be played a protective role to the solar battery sheet in component.
For crystal silicon solar energy battery, in order to prevent reverse bias voltage is too high from causing cell piece breakdown, with one
Certain upper limit be present in the series cells quantity in bypass diode battery strings or battery strings group in parallel.For imbrication group
Part, the quantity and specification of bypass diode according to the cell piece situation in battery strings group, can be selected.
The advantages of program, is：
One：Shunt leads, bypass lead do not form shadow occlusion to battery strings front and back, suitable for the two-sided sun
The double-side assembly that energy battery is formed.
Two：Share by-pass current by more bypass leads, reduce caloric value.
Three：Avoid the use of the insulation strip between bypass lead and battery strings
Four：Using circular, triangle or zigzag bypass lead, component front light thereon can will be radiated at,
And the light reflection at the double-side assembly back side, and absorbed again by solar cell by the total reflection of assembly surface, so as to carry
Rise generated energy.
It can be used for preparing above-mentioned bypass lead and bypass bus bar as shown in figure 5, the utility model additionally provides one kind
The production equipment of structure, the bypass wire 14 for making stacked tile type solar photovoltaic assembly are connected knot with bypass bus bar 5
Structure, including the fixed traction support 15 being arranged parallel to and mobile towing bracket 18, it is vertically arranged on fixed traction support 15
There is horizontal guide rail 13, mobile towing bracket 18 can translate along horizontal guide rail 13；Mobile towing bracket 18 is provided with fixed wire drawing
Device, fixed wire-drawing frame are used to pull out bypass wire 14 at fixed traction support 15；The lower section of fixed traction support 15 is set
It is equipped with the welding bench 17 for welding bypass wire 14 and bypass bus bar 5；The inner side of fixed traction support 15, which is provided with, to be used for
The chopper 12 of cut-out bypass wire 14.
The course of work is：Mobile towing bracket 18 can move along horizontal guide rail 13, and it has fixed wire-drawing frame above, can
So that 5 bypass wires 14 to be pulled out at fixed traction support 15, after the length for reaching needs, bypass bus bar is mounted with
Welding bench is moved to below towing bracket, and towing bracket moves down to be contacted so that bypassing wire 14 with bypass bus bar 5, now position
Started working in the welding bench 17 in towing bracket, bypass wire 14 is welded in bypass bus bar 5.Welding manner includes
Infrared welding, contact weld, electromagnetism welding, wave soldering etc..Then towing bracket 18 is moved to continue to move right, it is to be fixed to lead
Draw the bypass bus bar 5 on support 15 and be moved to the right side of chopper 12, chopper 12 is fallen, and bypass wire 14 is cut off, Ran Houyi
Bypass is drawn after the correct position that bypass lead 2 plus the complex of bypass bus bar 5 are drawn to above component by dynamic towing bracket 18
Line 2 plus the complex of bypass bus bar 5 are put down so that bypass lead 2 is located among battery strings, and bypass bus bar 5 is converged positioned at end
Above the insulation filler strip for flowing the top of bar 10.Then move towing bracket 18 and return initial station, again from fixed traction branch
Frame wire drawing 14.
The left side of fixed traction support 15, the spool 11 for being wound with bypass wire 14 can be placed.Fixed traction support
15 can move up and down with mobile towing bracket 18 along vertical guide rail.Vertical guide rail is not marked in Fig. 5.
Also another mode, using can with the mobile synchronization-moving bypass bus bar welding bench of towing bracket 18,
Start wire drawing opening position on the left of the two is moved to, it is fixed to move down into corresponding bypass bus bar weldering simultaneously with mobile towing bracket
The position of platform 17 is connect, so as to which bypass lead be clamped, then moves bypass wire of the welding mechanism in towing bracket to lower section
14 are welded with bypass bus bar 5, then after move towing bracket 18 and move right in place, then by fixed traction support 15
Bypass lead 2 of the welding mechanism to lower section welds with bypass bus bar 5.The benefit of this scheme is that welding bench in itself can be with
Play a part of bypassing lead clamping, it is not necessary to the clamping wire-drawing mechanism of individually designed bypass lead.
Because the thermal coefficient of expansion of metal shunt lead has larger difference with battery strings and glass, prepared using this programme
Component, after lamination may being faced, or long-term the problem of being subjected to bypassing lead deformation displacement after cold cycling.In order to solve this
Problem, the mechanism in Fig. 6 can be used to handle bypass lead.As shown in fig. 6, it is placed with arc above bypass lead
The raised staking punch 19 of shape, the staking punch punching press downwards in manufacturing process, so as to form arcuate line segment in lead is bypassed
Groove 16.When bypassing lead and meeting with lamination or the thermal stress such as thermal shock, arcuate line segment groove 16 such as elongates or shortens at the shape
Become the stress that can be absorbed in bypass lead, so as to avoid bypassing wire squass or displacement.
More than, preferred embodiment only of the present utility model, it is not limited only to practical range of the present utility model, Fan Yiben
The equivalence changes and modification that the content of utility model patent scope is done, it all should be technology category of the present utility model.
Claims (10)
1. a kind of stacked tile type solar photovoltaic assembly, it is characterised in that including one or more solar cell strings and along battery
The bypass lead (2) that string length direction is set, bypass lead (2) are located at the centre of adjacent solar battery string, or component side
The outside of the solar cell string of edge；Solar cell string passes through contact conductor (3) or shunt leads (8) and bypass lead (2)
Connection forms in parallel；Bypass lead (2) end is connected with the bypass bus bar (5) of solar cell string end.
2. stacked tile type solar photovoltaic assembly according to claim 1, it is characterised in that described contact conductor (3) edge
The width of solar cell string is set, the multiple solar cell strings do not gone together by across contact conductor (3) formation
It is in parallel；Or length direction of the described contact conductor (3) along solar cell string is set, by the adjacent solar-electricity of same a line
Pond is connected, and the contact conductor (3) do not gone together connects the solar cell string that will do not gone together simultaneously by shunt leads (8)
Connection.
3. stacked tile type solar photovoltaic assembly according to claim 1 or 2, it is characterised in that described bypass bus bar
(5) with end busbar (10) arranged superposed of solar cell string the same side, and bypass bus bar (5) and end busbar (10) it
Between pass through the filler strip that insulate (4) insulate.
4. stacked tile type solar photovoltaic assembly according to claim 3, it is characterised in that described end busbar (10) with
Between bypass bus bar (5), or between bypass bus bar (5) and bypass bus bar (5), bypass diode (7) is accessed.
5. stacked tile type solar photovoltaic assembly according to claim 1, it is characterised in that described contact conductor (3), simultaneously
Connection lead (8) is the metal welding band coated with Sn-containing alloy in Copper base material with bypass lead (2), and metal welding band section is circle
Shape, triangle, rectangle, round rectangle or zigzag.
6. stacked tile type solar photovoltaic assembly according to claim 1 or 5, it is characterised in that adjacent solar battery string
Between gap on, the position in addition to contact conductor (3), shunt leads (8) or bypass lead (2), orienting reflex material is set
Material, orienting reflex material are the reflective membrane that there is crenellation pattern on surface.
7. stacked tile type solar photovoltaic assembly according to claim 1, it is characterised in that described contact conductor (3) with
Punching has hole or is provided with groove (16) on bypass lead (2).
8. a kind of production equipment of stacked tile type solar photovoltaic assembly, it is characterised in that for making stacked tile type photovoltaic
The bypass wire (14) of component and bypass bus bar (5) attachment structure, including the fixed traction support being arranged parallel to
(15) and towing bracket (18) is moved, horizontal guide rail (13), mobile towing bracket is vertically installed with fixed traction support (15)
(18) can be translated along horizontal guide rail (13)；Mobile towing bracket (18) is provided with fixed wire-drawing frame, and fixed wire-drawing frame is used
Wire (14) is bypassed in being pulled out from fixed traction support (15)；It is provided with below fixed traction support (15) for welding side
Pass filament (14) and the welding bench (17) of bypass bus bar (5)；It is provided with the inside of fixed traction support (15) for cutting off side
The chopper (12) of pass filament (14).
9. the production equipment of stacked tile type solar photovoltaic assembly according to claim 8, it is characterised in that fixed traction branch
Welding bench (17) is respectively provided with below frame (15) and mobile towing bracket (18)；During welding, bypass wire (14) is by fixed traction
Support (15) clamps with corresponding welding bench, mobile towing bracket (18) with corresponding welding bench.
10. the production equipment of stacked tile type solar photovoltaic assembly according to claim 8, it is characterised in that also include punching
Pressure head (19), staking punch (19) are arc convex structure, and staking punch (19) punching press bypass lead (2) forms it into arcuate line segment
Groove (16).
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| CN201720794409.4U CN206878020U (en) | 2017-07-03 | 2017-07-03 | Stacked tile type solar photovoltaic assembly and production equipment |
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| CN201720794409.4U CN206878020U (en) | 2017-07-03 | 2017-07-03 | Stacked tile type solar photovoltaic assembly and production equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195719A (en) * | 2017-07-03 | 2017-09-22 | 隆基乐叶光伏科技有限公司 | Stacked tile type solar photovoltaic assembly and production equipment |
| CN113013274A (en) * | 2021-03-04 | 2021-06-22 | 浙江晶科能源有限公司 | Light reflecting structure, photovoltaic module and preparation method of photovoltaic module |
| EP3782280A4 (en) * | 2018-04-14 | 2022-01-05 | Solaria Corporation | Bifacial photovoltaic module |
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2017
- 2017-07-03 CN CN201720794409.4U patent/CN206878020U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195719A (en) * | 2017-07-03 | 2017-09-22 | 隆基乐叶光伏科技有限公司 | Stacked tile type solar photovoltaic assembly and production equipment |
| CN107195719B (en) * | 2017-07-03 | 2024-03-08 | 滁州隆基乐叶光伏科技有限公司 | Production equipment of shingled solar photovoltaic module |
| EP3782280A4 (en) * | 2018-04-14 | 2022-01-05 | Solaria Corporation | Bifacial photovoltaic module |
| CN113013274A (en) * | 2021-03-04 | 2021-06-22 | 浙江晶科能源有限公司 | Light reflecting structure, photovoltaic module and preparation method of photovoltaic module |
| CN113013274B (en) * | 2021-03-04 | 2023-02-28 | 浙江晶科能源有限公司 | Light reflecting structure, photovoltaic module and preparation method of photovoltaic module |
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Effective date of registration: 20190522 Address after: 239000 No. 19 Huaian Road, Chuzhou City, Anhui Province Patentee after: Chuzhou Longji Leye Photovoltaic Technology Co., Ltd. Address before: 710018 Six Floors of Block A, 898989 Shangji Road, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee before: Long base music Photovoltaic Technology Co., Ltd. |
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