CN102062530A - Single-layer scanning type heating air flue of solar component solidifying device - Google Patents
Single-layer scanning type heating air flue of solar component solidifying device Download PDFInfo
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- CN102062530A CN102062530A CN2010102954181A CN201010295418A CN102062530A CN 102062530 A CN102062530 A CN 102062530A CN 2010102954181 A CN2010102954181 A CN 2010102954181A CN 201010295418 A CN201010295418 A CN 201010295418A CN 102062530 A CN102062530 A CN 102062530A
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Abstract
The invention provides a single-layer scanning type heating air flue of a solar component solidifying device, comprising a material loading table, a heating passageway, a material baiting table, a delivery net band, heating devices, a suction opening, an air intake and a rack, wherein the heating passageway is divided into a preheating section, a solidification section and a cooling section; the upper and lower layers of the heating passageway are provided with hot gas steam air channels; the delivery net band is arranged in a logistic passageway of the heating passageway; the heating devices are arranged on the upper and lower side surfaces; the suction opening is positioned at the center of the solidification section; the air intake is arranged at the outset ends of the preheating section and the cooling section; and the suction opening and the air intake are communicated with the hot gas steam air channels. When a cell component placed on the delivery net band successively flows though the preheating section, the solidification section and the cooling section, the upper and lower faces of the cell assembly are simultaneously heated, the temperature is uniformly raised, the solidification temperature is stable, the cooling speed is smooth, the crosslink degree of the component is even, the solidification quality of the cell component is ensured, the solidification speed is fast, and the efficiency is high.
Description
Technical field:
The present invention relates to crystal silicon solar assembly curing oven, the Single Slice Mode formula that relates in particular to crystal silicon solar assembly curing oven adds hot-flow flue.
Background technology:
The solar cell power generation utilization be the quantum effect of semiconductor silicon material, directly the visible light in the solar spectral is changed into electric energy, silicon wafer is if directly be exposed in the atmosphere, its opto-electronic conversion is energy-conservation can to decay, for guaranteeing that assembly uses 20-25 under outdoor conditions, good encapsulation must be arranged, with in satisfy using to the requirement of conditions such as windproof, dustproof, damp proof, anticorrosion.Research experiment shows, the inefficacy of battery, and problem often goes out in the encapsulation of assembly.Adopt for this reason transparent, fast light anti-aging, caking property good, can bear that atmosphere changes and rubber-like EVA glue-line with solar cell package; and and upper strata protective material glass, the protective material TPT of lower floor (polyvinyl fluoride composite membrane) be bonded as one, constitute solar components.
EVA is most widely used a kind of thermosetting resin in the crystal silicon solar energy battery encapsulation, has resistance to blocking under normal temperature condition, but under hot pressing condition bond vitrified and crosslinking curing takes place just.The uniformity of heating-up temperature determines the uniformity that it is crosslinked, after the solar cell package, requires the triangular EVA of glass, battery strings and notacoria that the even and firm bonding degree of cross linking must be arranged.The degree of cross linking is meant the degree of the gel solidification that the EVA molecule cannot not reach moltenly through cross-linking reaction.EVA has been not only the adhering and sealing effect, and the quality and the life-span of solar cell played crucial effects, and in a sense, the life-span of solar panel is determined by EVA.
At present, solar cell package technology has two kinds usually, first kind is that lamination solidifies synthetic method, glass, EVA, solar cell string, EVA, notacoria are successively placed on the laminating machine, once finish lamination and be heating and curing, be commonly called as " one-step method " by laminating machine, laminating machine is the capital equipment that vacuum lamination process uses, its effect is heated pressurization to EVA exactly under vacuum condition, realize the curing of EVA, reaches the purpose to the solar cell sealing.The requirement that laminating technology will reach is that the EVA degree of cross linking is at 75-85%; EVA and glass and TPT bonding closely (peel strength, glass/EVA is greater than 30N/cm, TPT/EVA is greater than 15N/cm), battery sheet non-displacement, assembly does not have tangible bubble." one-step method " though laminating technology convenient and strength-saving, brought a lot of problems also: once being that initial stage temperature is very high, EVA can be melted very soon, so just is unfavorable for that the air between the component internal gap is drawn out of, and causes bubble easily; The 2nd, initial stage temperature is just very high, and EVA can begin crosslinked very soon, and the degree of cross linking can not be well controlled.The used laminating machine of this package method should possess the lamination function, possesses even heating function again, and equipment investment is very big, and production capacity is lower.
Second kind is " two-step method ", lamination and curing are carried out in two steps, at first glass, EVA, solar cell string, EVA, notacoria assembly are vacuumized lamination in laminating machine, make its surfacing, remove the minute bubbles of EVA interlayer, and then concentrated being placed on of the assembly behind the lamination carried out hot setting in the baking oven, the one-step solidification amount is bigger like this, it is bigger that laminating machine and baking oven are used output, and equipment investment cost is lower.
" two-step method " is divided into the discontinuous multiple layers of cured again and continuous multi-layer solidifies, the discontinuous multiple layers of cured is the assembly behind the lamination to be concentrated with baking oven be heating and curing, because the cavity of baking oven is bigger, place several layers in the baking oven and treated curing assembly, the general mode that adopts the side air intake of baking oven heating, heating tube is arranged in the air channel, temperature homogeneity in the baking oven is difficult to control, in actual solidification process, the EVA degree of cross linking of each inter-module exists than big difference, be difficult to reach the solidification effect of people's expection, the uniformity of the degree of cross linking is wayward.It is multilayer module to be placed on solidify on the frame by a super large heat tunnel that continuous multi-layer solidifies, this mode is superior than the discontinuous multiple layers of cured, can make the degree of cross linking of same block assembly comparatively even, but solidifying together, the assembly of multilayer make the assembly degree of cross linking uniformity of levels still differ greatly, uncontrollable in desirable scope.
The solar components curing oven of present domestic use is mainly based on multiple layers of cured, with Suzhou remittance section is that the discontinuous multiple layers of cured stove of representative is the curing apparatus of monolateral side air inlet heating the earliest, thereby monolateral heating causes non-uniform temperature to make that the assembly degree of cross linking is inhomogeneous.With the Shanghai climax is that the discontinuous multiple layers of cured equipment of representative has been done improvement, and the dolly that loads the multilayer layer casting die in curing oven can rotate, the heating of casing dual-side air intake, however the assembly degree of cross linking that this formula of putting is produced is still inhomogeneous.On the south aeon to reach stove industry Science and Technology Ltd. be that the continuous multi-layer curing oven of representative is that the thing frame is arranged on the transmitting device, the material frame is successively by preheating zone, heat preservation zone and cooling zone, can improve output, yet because the structure of its multilayer makes that the EVA degree of cross linking of upper-lower position is still inhomogeneous.
Summary of the invention:
The Single Slice Mode formula that the invention provides a kind of solar components curing apparatus adds hot-flow flue, it is evenly mobile in solidifying case that it can make hot-fluid be parallel to transmission direction, battery component behind the lamination is carried out continuous homogeneous to be solidified, guarantee the environment unanimity of every block assembly, the heat reusable edible, the solidification temperature of assembly is controlled easily, and the degree of cross linking is even, and yield rate is higher.
The technical solution adopted in the present invention is:
The Single Slice Mode formula of described solar components curing apparatus adds hot-flow flue, it is characterized in that: comprise feeding platform, heat tunnel, blanking bench, foraminous conveyer, heater, suction opeing, air inlet and frame, described feeding platform, heat tunnel and blanking bench are fixed on the frame successively, heat tunnel is a linear pattern, it is divided into preheating section, solidify section and cooling section, the corresponding feeding platform of preheating section, the corresponding blanking bench of cooling section, levels at heat tunnel is provided with the thermal current air channel of being enclosed by thermal insulation layer, foraminous conveyer is arranged in the logistics corridor of heat tunnel, heater is arranged on the side up and down of logistics corridor, and heater is preheating section and cooling section distribution density 2～6 times in the density that is provided with of solidifying section, the distribution density of heater in preheating section arranged by incremental manner, the distribution density of heater in cooling section arranged by the mode of successively decreasing, heater is evenly arranged in solidifying section, suction opeing is opened in the center of solidifying section, and suction opeing communicates with the thermal current air channel, air inlet is arranged on the outermost end of preheating section and cooling section, air inlet communicates with the thermal current air channel, and battery component to be solidified is placed on the foraminous conveyer equally spacedly.
Owing to heat tunnel is designed to the structure of three sheaf spaces, up and down for to be synthetic into the thermal current air channel by thermal insulation layer, the centre is a logistics corridor, heater is arranged on the side up and down of logistics corridor, heat tunnel is divided into preheating section along rectilinear direction, solidify section and cooling section three zones, and heater is preheating section and cooling section distribution density 2～6 times in the density that is provided with of solidifying section, the distribution density of heater in preheating section arranged by incremental manner, the distribution density of heater in cooling section arranged by the mode of successively decreasing, heater is evenly arranged in solidifying section, so just can make the interior temperature of curing section even, and be in the solidification temperature scope of battery component the best, and in preheating section, form the temperature field that increases progressively, in cooling section, form the temperature field of successively decreasing; Owing to be provided with suction opeing in the center of solidifying section, and suction opeing communicates with the thermal current air channel, outermost end at preheating section and cooling section is equipped with air inlet, and air inlet also communicates with the thermal current air channel, so just realized solidifying the recycling residual heat in the section, be placed on battery component to be solidified on the foraminous conveyer equally spacedly, drive the preheating section of flowing through successively by foraminous conveyer, solidify section and cooling section,, and heat up evenly because the upper and lower surface of battery component heats simultaneously, solidification temperature is stable, cooling velocity is mild, makes the degree of cross linking of assembly even, can not only guarantee the curing quality of battery component, and curing rate is fast, the efficient height.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the segmentation schematic diagram of heat tunnel;
Fig. 3 is the schematic cross-section of heat tunnel;
Among the figure: the 1-feeding platform; The 2-heat tunnel; The 3-blanking bench; The 4-foraminous conveyer; The 5-heater; The 6-suction opeing; The 7-air inlet; The 8-frame; The 9-battery component; The 21-preheating section; 22-solidifies section; The 23-cooling section; The 24-thermal insulation layer; 25-thermal current air channel; The 26-logistics corridor.
The specific embodiment:
Below in conjunction with description of drawings the specific embodiment of the present invention:
The Single Slice Mode formula of described solar components curing apparatus adds hot-flow flue, as Fig. 1～shown in Figure 3, it comprises feeding platform 1, heat tunnel 2, blanking bench 3, foraminous conveyer 4, heater 5, suction opeing 6, air inlet 7 and frame 8, described feeding platform 1, heat tunnel 2 and blanking bench 3 are fixed on the frame 8 successively, heat tunnel 2 is a linear pattern, it is divided into preheating section 21, solidify section 22 and cooling section 23, preheating section 21 corresponding feeding platforms 1, cooling section 23 corresponding blanking bench 3, levels at heat tunnel 2 is provided with the thermal current air channel 25 of being enclosed by thermal insulation layer 24, foraminous conveyer 4 is arranged in the logistics corridor 26 of heat tunnel 2, heater 5 is arranged on the side up and down of logistics corridor 26, and heater 5 is preheating section 21 and cooling section 23 distribution densities 2～6 times in the density that is provided with of solidifying section 22, the distribution density of heater 5 in preheating section 21 arranged by incremental manner, the distribution density of heater 5 in cooling section 23 arranged by the mode of successively decreasing, heater 5 is evenly arranged in solidifying section 22, suction opeing 6 is opened in the center of solidifying section 22, and suction opeing 6 communicates with thermal current air channel 25, air inlet 7 is arranged on the outermost end of preheating section 21 and cooling section 23, air inlet 7 communicates with thermal current air channel 25, and battery component 9 to be solidified is placed on the foraminous conveyer 4 equally spacedly.
Claims (1)
1. the Single Slice Mode formula of a solar components curing apparatus adds hot-flow flue, it is characterized in that: comprise feeding platform (1), heat tunnel (2), blanking bench (3), foraminous conveyer (4), heater (5), suction opeing (6), air inlet (7) and frame (8), described feeding platform (1), heat tunnel (2) and blanking bench (3) are fixed on the frame (8) successively, heat tunnel (2) is a linear pattern, it is divided into preheating section (21), solidify section (22) and cooling section (23), the corresponding feeding platform of preheating section (21) (1), the corresponding blanking bench of cooling section (23) (3), levels at heat tunnel (2) is provided with the thermal current air channel (25) of being enclosed by thermal insulation layer (24), foraminous conveyer (4) is arranged in the logistics corridor (26) of heat tunnel (2), heater (5) is arranged on the side up and down of logistics corridor (26), and heater (5) is preheating section (21) and cooling section (23) distribution density 2～6 times in the density that is provided with of solidifying section (22), the distribution density of heater (5) in preheating section (21) arranged by incremental manner, the distribution density of heater (5) in cooling section (23) arranged by the mode of successively decreasing, heater (5) is evenly arranged in solidifying section (22), suction opeing (6) is opened in the center of solidifying section (22), and suction opeing (6) communicates with thermal current air channel (25), air inlet (7) is arranged on the outermost end of preheating section (21) and cooling section (23), air inlet (7) communicates with thermal current air channel (25), and battery component to be solidified (9) is placed on the foraminous conveyer (4) equally spacedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102954181A CN102062530A (en) | 2010-09-29 | 2010-09-29 | Single-layer scanning type heating air flue of solar component solidifying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102954181A CN102062530A (en) | 2010-09-29 | 2010-09-29 | Single-layer scanning type heating air flue of solar component solidifying device |
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| CN102062530A true CN102062530A (en) | 2011-05-18 |
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| CN2010102954181A Pending CN102062530A (en) | 2010-09-29 | 2010-09-29 | Single-layer scanning type heating air flue of solar component solidifying device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358575A (en) * | 1991-04-03 | 1994-10-25 | Chugai Ro Company, Limited | Method for blackening Ni-Fe shadow mask and mesh belt type blackening lehr for carrying out the method |
| JPH0875368A (en) * | 1994-08-31 | 1996-03-19 | Toho Eng Kk | Hot air circulating furnace |
| CN2844817Y (en) * | 2005-11-21 | 2006-12-06 | 南京年达炉业科技有限公司 | Solar battery-board solidifier |
| CN101149218A (en) * | 2006-09-22 | 2008-03-26 | 上海申科技术有限公司 | Production process of vortex type baking furnace with low power compensation wind pipe heating system |
| CN201134436Y (en) * | 2007-12-28 | 2008-10-15 | 荀建华 | Continuous curing oven for super large crystalline silicon solar energy cell assembly |
| CN201575692U (en) * | 2009-12-08 | 2010-09-08 | 苏州工业园区姑苏科技有限公司 | Gas heating left and right hot air circulation screen belt type roasting furnace |
| CN201858883U (en) * | 2010-09-29 | 2011-06-08 | 常州亿晶光电科技有限公司 | Single slice scanning type heating duct for solar module curing equipment |
-
2010
- 2010-09-29 CN CN2010102954181A patent/CN102062530A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5358575A (en) * | 1991-04-03 | 1994-10-25 | Chugai Ro Company, Limited | Method for blackening Ni-Fe shadow mask and mesh belt type blackening lehr for carrying out the method |
| JPH0875368A (en) * | 1994-08-31 | 1996-03-19 | Toho Eng Kk | Hot air circulating furnace |
| CN2844817Y (en) * | 2005-11-21 | 2006-12-06 | 南京年达炉业科技有限公司 | Solar battery-board solidifier |
| CN101149218A (en) * | 2006-09-22 | 2008-03-26 | 上海申科技术有限公司 | Production process of vortex type baking furnace with low power compensation wind pipe heating system |
| CN201134436Y (en) * | 2007-12-28 | 2008-10-15 | 荀建华 | Continuous curing oven for super large crystalline silicon solar energy cell assembly |
| CN201575692U (en) * | 2009-12-08 | 2010-09-08 | 苏州工业园区姑苏科技有限公司 | Gas heating left and right hot air circulation screen belt type roasting furnace |
| CN201858883U (en) * | 2010-09-29 | 2011-06-08 | 常州亿晶光电科技有限公司 | Single slice scanning type heating duct for solar module curing equipment |
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Application publication date: 20110518 |