CN105436730A - Infrared heating welding device and method thereof as well as series welding machine - Google Patents
Infrared heating welding device and method thereof as well as series welding machine Download PDFInfo
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- CN105436730A CN105436730A CN201511007317.9A CN201511007317A CN105436730A CN 105436730 A CN105436730 A CN 105436730A CN 201511007317 A CN201511007317 A CN 201511007317A CN 105436730 A CN105436730 A CN 105436730A
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- infrared heating
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- 238000003466 welding Methods 0.000 title claims abstract description 232
- 238000010438 heat treatment Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims description 99
- 239000007789 gas Substances 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 6
- 230000008025 crystallization Effects 0.000 claims description 6
- 230000035900 sweating Effects 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 239000003496 welding fume Substances 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
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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
Abstract
The invention provides an infrared heating welding device for welding battery pieces to a solder strip one by one to connect at least two battery pieces in series into a battery string. The infrared heating welding device is characterized by comprising a frame, an infrared welding table unit for carrying out heating welding on shady faces of the battery pieces, a strip hold-down unit for fixing the solder strip and a control unit; the infrared welding table unit is fixedly connected to the frame and electrically connected with the control unit; the strip hold-down unit is movably connected to the frame and electrically connected with the control unit; the strip hold-down unit is located above the infrared welding table unit; when the control unit controls the strip hold-down unit to move, the strip hold-down unit moves up and down in a vertical direction to fix the solder strip and the battery pieces conveyed to a welding position of the infrared welding table unit. The embodiments of the present invention also provide a series welding machine and an infrared welding method.
Description
Technical field
The present invention relates to mechanical equipment technical field, particularly a kind of infrared heating welder and method thereof and series welding machine.
Background technology
Infrared heating welding technical ability adopts contactless heating means to required two heat parts to be welded, two piece surfaces to be welded can quickly be condensed under ultrared shining upon, namely bond together after pressing cooling, and the technology of preparing of high weld strength can be obtained; And two parts after infrared welding, bond strength between them wants high more than adopting the intensity of other welding procedures, weld seam between its parts can arrive at the air-tightness of 100%, do not have leak out or leakage body phenomenon occur, and the feature such as welding slag or overlap can not be there is in commissure in the parts of IR welding, based on above advantage, IR welding technology is widely used in solar battery sheet series welding technical field.But, IR welding technology is a kind of generator based on short infrared, its infrared ray can send radiated wave, therefore in the series welding termination process completing solar battery sheet front, solar battery sheet can be made to there is light decay phenomenon, even block, also can inevitably there is light decay phenomenon.Further, because infrared heating solder technology applies to the welding of solar battery sheet front, its heat is except applying to welding welding and cell piece, and redundance is then by air exhausting device device for transferring, and therefore its hear rate utilization rate is low, loses larger; And in utilization infrared heating solder technology, just can must detect solar battery sheet welding temperature well with infrared temperature sensor, but, infrared ray in IR welding technology can produce certain interference phenomenon to infrared temperature sensor, therefore effectively can not form closed-loop control, welding quality cannot ensure.
Summary of the invention
In view of this, be necessary to provide a kind of carry out welding in solar cell back face infrared heating welder and method, there is a need to provide a kind of application should carry out the series welding machine of the infrared heating welder welded in solar cell back face.
The embodiment of the present invention provides a kind of infrared heating welder, for one by one by welding of battery film to welding, so that at least two cell pieces serial connection is become battery strings, it can comprise frame, utilize the shady face of infrared ray to cell piece add thermal weld infrared bonding table apparatus, for the belt pressing device of fixing welding and control device; Described infrared bonding table apparatus is fixedly connected on described frame and is electrically connected with described control device; Described belt pressing device is movably connected on described frame and is electrically connected with described control device; Described belt pressing device is positioned at the top of described infrared bonding table apparatus, when described control device controls the activity of described belt pressing device, described belt pressing device is lower in the vertical direction to be moved with constant transmissions to the described welding on the welding post of described infrared bonding table apparatus and described cell piece.
The embodiment of the present invention also provides a kind of series welding machine, its can comprise infrared heating welder, for transmit cell piece cell piece transmitting device and for providing the tape supply device of welding for described infrared heating welder, described infrared heating welder is aforesaid infrared heating welder.
The embodiment of the present invention also provides a kind of IR welding method, and subject of implementation is aforesaid series welding machine, and it can comprise:
Infrared heating welder preheating infrared line fluorescent tube and guide pillar pressing, make described infrared lamp and described guide pillar pressing all reach preheat temperature;
When described guide pillar pressing and described infrared lamp reach described preheat temperature, first assembly welding band is placed in the welding gathering sill of described infrared heating welder by described tape supply device, and described first assembly welding band comprises the welding with the identical number of cell piece main gate line number;
Cell piece transmitting device conveying placing battery plate, makes the main gate line on the shady face of described first assembly welding band and described cell piece coincide;
Described infrared heating welder adsorbs described cell piece by the vacuum absorption holes opened on light cover plate;
Second assembly welding band is placed on the sensitive surface of described cell piece by described tape supply device, and the main gate line on the sensitive surface of described second assembly welding band and described cell piece is coincided, and described second assembly welding band comprises the welding with the identical number of cell piece main gate line number;
The gas hole on tube face opened by described infrared heating welder;
Described infrared heating welder increases the heating power of described infrared lamp, described infrared lamp temperature is made to be elevated to welding temperature, meanwhile, the belt pressing device of described infrared heating welder moves along vertical to described second assembly welding band position;
Described guide pillar pressing in described belt pressing device is followed after guide holder moves to the described second assembly welding band of contact and is kept motionless, and with fixing described second assembly welding band, described guide holder continues to move to limit inferior pressure zone position;
Described second assembly welding tape welding is received the sensitive surface of described cell piece by described infrared heating welder by described infrared lamp heat effect, described first assembly welding tape welding is received the shady face of described cell piece;
The described belt pressing device of described infrared heating welder moves to initial position;
The complete described cell piece of welding removed by described cell piece transmitting device, carries out the welding operation of next cell piece to make described series welding machine.
The infrared heating welder carrying out in solar cell back face welding that the embodiment of the present invention provides is welded cell piece by shady face infrared lamp being arranged on cell piece, can overcome infrared ray can make light object produce the defect of light decay, and the heat that infrared tube produces is mainly used in heating welding stage, its hear rate is except for welding except solar battery sheet and welding, redundance is then for the maintenance of welding stage temperature of being heated, hear rate utilization rate is high, and interference phenomenon can not be produced to infrared temperature sensor, welding temperature is made effectively to form closed-loop control, improve the welding quality of solar battery sheet.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is some embodiments of the embodiment of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is the simplification structural representation of a better embodiment of infrared heating welder.
Accompanying drawing 2 is that its cover plate is left one of placement location and simplifies structural representation by the infrared bonding table apparatus of infrared heating welder.
Accompanying drawing 3 is plan structure schematic diagrames of the infrared bonding table apparatus of a better embodiment.
Accompanying drawing 4 is plan structure schematic diagrames that a wherein cover plate is taken away by the infrared bonding table apparatus of a better embodiment.
Accompanying drawing 5 is simplification structural representations of the hold down gag of a better embodiment.
Accompanying drawing 6 is guide pillar pressing amplification profile structural representations for the hold down gag of a better embodiment.
Accompanying drawing 7 is plan structure schematic diagrames of the hold down gag of a better embodiment.
Accompanying drawing 8 is main TV structure schematic diagrames that the first assembly welding band placed by the infrared heating welder of a better embodiment in series welding machine.
Accompanying drawing 9 is main TV structure schematic diagrames that a cell piece placed by the infrared heating welder of a better embodiment in series welding machine.
Accompanying drawing 10 is main TV structure schematic diagrames that the second assembly welding band placed by the infrared heating welder of a better embodiment in series welding machine.
Accompanying drawing 11 is that after the infrared heating welder of a better embodiment places welding and cell piece in series welding machine, belt pressing device starts the schematic diagram moved down.
Accompanying drawing 12 is after the infrared heating welder of a better embodiment places welding and cell piece in series welding machine, the guide pillar pressing compacting welding of belt pressing device and cell piece, infrared ray welding stage carry out the main TV structure schematic diagram welding cell piece.
Accompanying drawing 13 be the infrared heating welder of a better embodiment in series welding machine, complete the welding of three cell pieces series winding sensitive surface upward time cell piece and welding connection diagram.
Accompanying drawing 14 be the infrared heating welder of a better embodiment in series welding machine, complete the welding of three cell pieces series winding sensitive surface down time cell piece and welding connection diagram.
Accompanying drawing 15 is positional structure schematic diagrames that a better embodiment infrared heating welder is arranged in series welding machine.
Wherein: infrared heating welder 10, frame 1, infrared bonding table apparatus 2, belt pressing device 3, control device 4, welding stage 21, infrared lamp 22, tube face 23, light cover plate 24, infrared temperature sensor 25, sweating heat protector 26, guide holder 31, front shroud 32, guide pillar pressing 33, fairlead 34, heater 35, pressing temperature detector 36, back shroud 37, pressing thermal protector 38, rubber sleeve 39, welding gathering sill 241, loophole and vacuum absorption holes 242, first assembly welding band 300, second assembly welding band 400, cell piece 500, series welding machine 100, cell piece transmitting device 20, tape supply device 30.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As represented in figures 1 through 14, embodiments provide a kind of infrared heating welder 10, for one by one by welding of battery film to welding, so that at least two cell pieces serial connection is become battery strings, it can comprise frame 1, utilize the shady face of infrared ray to cell piece add thermal weld infrared bonding table apparatus 2, for the belt pressing device 3 of fixing welding and control device 4; Infrared bonding table apparatus 2 is fixedly connected on frame 1 and is electrically connected with control device 4; Belt pressing device 3 is movably connected on frame 1 and is electrically connected with control device 4; Belt pressing device 3 is positioned at the top of infrared bonding table apparatus 2, and when control device 4 controls belt pressing device 3 activity, belt pressing device 3 is lower in the vertical direction to be moved with constant transmissions to the welding on the welding post of infrared bonding table apparatus 2 and cell piece.
In the embodiment of the present invention, infrared bonding table apparatus 2 can be arranged on the cell piece series welding station of series welding machine, be fixedly connected with frame 1, and under the control action of control device 4, utilize heating by infrared radiation cell piece shady face main gate line and welding overlapping region, thus reach the object utilizing infrared ray to weld from solar cell back light face, thus avoid cell piece because of the generating efficiency of cell piece after photoelectric effect decay, raising series welding.The infrared bonding table apparatus 2 of the embodiment of the present invention specifically can comprise with lower part: the welding stage 21 being fixedly connected on frame; Be arranged on the tube face 23 on welding stage 21; Be arranged on tube face 23, for sending ultrared infrared lamp 22 during series welding, infrared lamp 22 is positioned on same vertical guide with the main gate line of cell piece; Be arranged on tube face 23, for covering the light cover plate 24 of infrared lamp 22; For detecting welding of battery film temperature, the temperature value detected being fed back to the infrared temperature sensor 25 of control device 4; For detecting that welding of battery film temperature sends fluorescent tube alarm signal to the sweating heat protector 26 of control device when exceeding welding temperature threshold value; Tube face 23 is provided with the gas hole for blowing to infrared lamp 22, this gas hole is connected with a blowing plant, when blowing plant provides compressed air, the compressed air blown out from gas hole enters in the chamber of infrared lamp 22 for preventing scaling powder smog, cause corrosion and crystallization, to extend the service life of infrared lamp 22; Light cover plate 24 overlaps with the main gate line vertical guide of cell piece the welding gathering sill 241 position is provided with for fixing welding, for guaranteeing that the positive pole welding below cell piece is positioned in welding gathering sill 241, avoiding welding to be shifted, guaranteeing the positioning precision of welding; Welding gathering sill 241 two ends be provided with for make infrared ray inject welding gathering sill loophole and for adsorbing self-contained battery sheet vacuum absorption holes 242, wherein, loophole can improve infrared radiation effect, vacuum absorption holes 242 can be used for adsorbing cell piece, cell piece is avoided to be shifted, cause welding mistake or dry joint to connect, improve the positioning precision of cell piece; Infrared temperature sensor 25 and sweating heat protector 26 are all arranged on the middle part of welding stage 21, temperature signal for being detected by infrared temperature sensor 24 feeds back to control device 4, form closed-loop control, be beneficial to the heating power that control device 4 controls infrared lamp 22, make heating and temperature control during series welding at optimum range, to obtain stable welding quality; When sweating heat protector 26 detects that temperature is too high, alarm signal is fed back to control device 4, so that control device 4 cuts out infrared lamp 22 in time, prevent the bad phenomenon such as weldering from occurring.
In the embodiment of the present invention, belt pressing device 3 can be arranged on above cell piece series welding station, is flexibly connected with frame 1, and belt pressing device 3 can move vertically under the control of control device 4, for pushing down the welding of carrying, in case welding dislocation during series welding.Concrete, the belt pressing device 3 of the embodiment of the present invention can comprise: the guide holder 31 be movably connected on frame 1, moving up and down relative to frame 1 along vertical, and controlled device 4 controls to move up and down, be fixed on the fairlead 34 on guide holder 31, be movably connected in through fairlead 34 on the pilot hole of guide holder 31, for following guide holder 31 move up and down, guide pillar pressing 33 for moving up and down relative to guide holder 31, be placed between guide pillar pressing 33 and fairlead 34, act on the rubber sleeve 39 that guide pillar pressing 33 and the contact surface of fairlead 34 play noise reduction and cushioning effect, wherein, guide pillar pressing 33 is one group of guide pillar pressing, pilot hole is connected with a blowing plant, when blowing plant provides compressed air, the smog blowout pilot hole that the compressed air blown out from pilot hole will produce during welding, to prevent welding fume in the crystallization of pilot hole region, to cause movable inflexible phenomenon between guide pillar pressing 33 and fairlead 34 and guide holder 31, thus reduce the time of service equipment, the pre-heated heater 35 of guide pillar pressing 33 is given under the control action of control device 4, make the pre-heated temperature of guide pillar pressing 33 control in certain limit, cause cell piece to expand with heat and contract with cold rapidly because temperature occurs sharply to change when pushing down welding to prevent guide pillar pressing 33 and cause hidden splitting, detect guide pillar pressing 33 temperature, the temperature value detected fed back to the pressing temperature detector 36 of control device 4, detect that guide pillar pressing 33 temperature sends pressing alarm signal to the pressing thermal protector 38 of control device 4 when exceeding pressing temperature threshold, so that control device 4 cuts out heater 35 in time, guide holder 31 is connected with the front shroud 32 and back shroud 37 that are oppositely arranged, heater 35, pressing temperature detector 36 and pressing thermal protector 38 to be all arranged on guide holder 31 and to be enclosed in guide holder 31 by front shroud 32 and back shroud 37, guide holder 31 under the control action of control device 4 along vertical in the motion process of welding position, fairlead 34 is followed guide holder 31 and is moved, guide pillar pressing 33 and rubber sleeve 39 are followed fairlead 34 and are moved, and stop motion and keep static relative to frame 1 after touching welding, the limit inferior pressure zone position that guide holder 31 moves to guide holder 31 followed by fairlead 34, guide holder 31 does not contact with welding when moving to limit inferior pressure zone position, with the Action of Gravity Field making welding and cell piece only bear guide pillar pressing 33, be unlikely to make cell piece crushed, in addition, for matched in clearance is arranged between guide pillar pressing 33 and fairlead 34, move downward in process at guide holder 31, fairlead 34 is followed guide holder 31 and is moved in the limit inferior pressure zone position process of guide holder, the side that guide pillar pressing 33 limits at fairlead 34 moves upward, when guide holder 31 lifts, guide pillar pressing 33 can stretch out guide holder 31 under gravity, return to original state, and collide sound for reducing to produce when guide pillar pressing 33 contacts with fairlead 34, between guide pillar pressing 33 and fairlead 34 phase-contact surface, be provided with rubber sleeve 39, to play the effect of noise reduction and buffering, guide holder 31 offers the exhaust smoke hole for being connected with gas sampling pipeline, the smog produced during to be discharged welding by gas sampling pipeline, so that smog waste gas focuses on, prevents welding fume crystallization on cell piece or equipment.
The embodiment of the present invention is when applying in series welding machine, series welding machine is by employing one group of infrared bonding table apparatus 2 and one group of belt pressing device, wherein, the number of infrared bonding table apparatus 2 should be identical with the number of cell piece main gate line, and the number of belt pressing device should be identical with the number of cell piece main gate line.
The infrared heating welder that the embodiment of the present invention provides is welded cell piece by shady face infrared lamp being arranged on cell piece, can overcome infrared ray can make light object produce the defect of light decay, and the heat that infrared tube produces is mainly used in heating welding stage, its hear rate is except for welding except solar battery sheet and welding, redundance is then for the maintenance of welding stage temperature of being heated, hear rate utilization rate is high, and interference phenomenon can not be produced to infrared temperature sensor, welding temperature is made effectively to form closed-loop control, improve the welding quality of solar battery sheet.。
Please with reference to Figure 15, the embodiment of the present invention also provides a kind of series welding machine, its can comprise infrared heating welder 10, for transmit cell piece cell piece transmitting device 20 and for providing the tape supply device 30 of welding for infrared heating welder, wherein, the infrared heating welder of infrared heating welder described by earlier figures 1-Figure 14 of the series welding machine employing of the embodiment of the present invention.
The embodiment of the present invention also provides the series welding machine shown in a kind of Figure 15 of application to carry out the method for IR welding, and concrete implementation step can comprise:
S1. infrared heating welder 10 preheating infrared line fluorescent tube 22 and guide pillar pressing 33, makes infrared lamp 22 and guide pillar pressing 33 all reach preheat temperature.Concrete, the infrared lamp 22 that in infrared heating welder 10, control device 4 controls infrared bonding table apparatus 2 heat welding stage 21 in advance, and the heater 35 of control belt pressing device 3 heats guide holder 31 and guide pillar pressing 33 simultaneously.
S2., when guide pillar pressing 33 and infrared lamp 22 reach preheat temperature, the first assembly welding band 300 is placed in the welding gathering sill 241 of infrared heating welder 10 by tape supply device 30.Concrete, can in the lump with reference to Fig. 8, in infrared heating welder 10, temperature detector 25 feeds back signal to control device 4, tape supply device 30 can be controlled by control device 4 and provide the first welding 300 according to series welding rule, and the first welding 300 is routed in the welding guide groove 241 on the light cover plate 24 of infrared bonding table apparatus 2, wherein, the first assembly welding band 300 comprises the welding with the identical number of cell piece main gate line number.
S3. cell piece transmitting device conveying placing battery plate, makes the main gate line on the shady face of the first assembly welding band and cell piece coincide.Concrete, can in the lump with reference to shown in Fig. 9, control device 4 can control cell piece transmitting device 20 and carry a slice cell piece 500 to the series welding station on infrared bonding table apparatus 10, make shady face main gate line below cell piece 500 overlapping with the first assembly welding band 300 laid, wherein, all spray coated scaling powder in the positive back side of the main gate line of cell piece 500.
S4. infrared heating welder 10 is by opening the vacuum absorption holes absorption cell piece 500 on light cover plate.Concrete, when the vacuum being arranged at the vacuum absorption holes on light cover plate 24 is opened, cell piece 500 is fixing by absorption.
S5. the second assembly welding band 400 is placed on the sensitive surface of cell piece 500 by tape supply device 30, and the second assembly welding band 400 is coincided with the main gate line on the sensitive surface of cell piece 500.Can in the lump with reference to the lay position shown in Figure 10, the second assembly welding band 400 comprises the welding with the identical number of cell piece 500 main gate line number;
S6. the gas hole on tube face 23 opened by infrared heating welder 10.Can arrange the pressure that compressed-air actuated pressure is slightly less than vacuum suction, blow off cell piece 500 while preventing from gas hole from blowing away in infrared lamp 22 entering smog etc. absorption position.
S7. infrared heating welder 10 increases the heating power of infrared lamp 22, makes infrared lamp 22 temperature be elevated to welding temperature, and meanwhile, the belt pressing device 3 of infrared heating welder 10 moves along vertical to the second assembly welding band 400 position.
S8. the guide pillar pressing 33 in belt pressing device 3 is followed after guide holder 31 moves to contact second assembly welding band 400 and is kept motionless, and to fix the second assembly welding band 400 and cell piece 500, afterwards, guide holder 31 continues to move to limit inferior pressure zone position.Wherein, guide pillar pressing 33 pushes down the rear geo-stationary of the second assembly welding band 400, and guide holder 31 continues to be moved down into limit inferior pressure zone position as illustrated 11, illustrating 12 positions.
S9. the second assembly welding band 400 to be welded to the sensitive surface of cell piece 500 by infrared lamp 22 heat effect, the first assembly welding band 300 to be welded to the shady face of cell piece 500 by infrared heating welder 10.Can in the lump with reference to the battery strings exemplary plot of Figure 13, Figure 14.
S10. the belt pressing device 3 of infrared heating welder 10 moves to initial position.First assembly welding band 300, second assembly welding band 400 and cell piece 500 evenly, reliably weld after, control device 4 controls infrared lamp 22 and reduces heating power, make the temperature of welding stage 21 drop to preheat temperature, meanwhile, control device 4 controls belt pressing device 3 and is raised up to initial position.
S11. the complete cell piece of welding removed by cell piece transmitting device 20, with the welding operation making series welding machine carry out next cell piece.The cell piece 500 that this sheet can weld by cell piece transmitting device 20 is transported to next station, on the lower positive back side of a slice main gate line, second cell piece of spray coated scaling powder is transferred to the series welding station on infrared bonding table apparatus 2, is more than the work of the work period completing infrared heating welder 10 series welding cell piece to this.
In the method for the embodiment of the present invention, the shady face that first assembly welding tape welding to be received cell piece by infrared lamp heat effect by infrared heating welder, the second assembly welding tape welding is received cell piece sensitive surface operation while, infrared heating welder is blown to infrared lamp by the gas hole on tube face, infrared heating welder is blown, to prevent welding fume in the crystallization of pilot hole region in belt pressing device inside by pilot hole.
The method of the embodiment of the present invention adds thermal weld by shady face infrared lamp being arranged on cell piece to cell piece, can overcome infrared ray and light object can be made to produce the defect of light decay.
The method of the embodiment of the present invention is welded cell piece by shady face infrared lamp being arranged on cell piece, and the heat energy that infrared lamp is produced is effectively utilised absorption, and the energy consumption that improve infrared lamp utilizes.
The method of the embodiment of the present invention is welded cell piece by shady face infrared lamp being arranged on cell piece, interference phenomenon can not be formed to infrared temperature sensor, make solar battery sheet welding temperature effectively form closed-loop control, ensure the reliable and stable of solar battery sheet welding quality.
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Module in embodiment of the present invention device or unit can carry out merging, divide and deleting according to actual needs.
Above disclosedly be only present pre-ferred embodiments, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (10)
1. an infrared heating welder, for one by one by welding of battery film to welding, so that at least two cell piece serial connections are become battery strings, it is characterized in that, comprise frame, utilize the shady face of infrared ray to cell piece add thermal weld infrared bonding table apparatus, for the belt pressing device of fixing welding and control device; Described infrared bonding table apparatus is fixedly connected on described frame and is electrically connected with described control device; Described belt pressing device is movably connected on described frame and is electrically connected with described control device; Described belt pressing device is positioned at the top of described infrared bonding table apparatus, when described control device controls the activity of described belt pressing device, described belt pressing device is lower in the vertical direction to be moved with constant transmissions to the described welding on the welding post of described infrared bonding table apparatus and described cell piece.
2. infrared heating welder as claimed in claim 1, it is characterized in that, described infrared bonding table apparatus comprises: the welding stage being fixedly connected on described frame; Be arranged on the tube face on described welding stage; Be arranged on described tube face, for sending ultrared infrared lamp; Be arranged on described tube face, for covering the light cover plate of described infrared lamp; For detecting described welding of battery film temperature, the temperature value detected being fed back to the infrared temperature sensor of described control device; For detecting that described welding of battery film temperature sends welding alarm signal to the sweating heat protector of described control device when exceeding welding temperature threshold value; Described tube face is provided with the gas hole for blowing to described infrared lamp; Described light cover plate overlaps with the main gate line vertical guide of described cell piece welding gathering sill position is provided with for fixing described welding; Described welding gathering sill two ends are provided with for making infrared ray inject the loophole of described welding gathering sill and the vacuum absorption holes for adsorbing fixing described cell piece; Described infrared temperature sensor and described sweating heat protector are all arranged on welding stage, and the main gate line of described infrared lamp and described cell piece is positioned on same vertical guide.
3. infrared heating welder as claimed in claim 2, it is characterized in that, described gas hole is connected with a blowing plant, when described blowing plant provides compressed air, the scaling powder smog that the compressed air blown out from described gas hole produces when blowing away welding, prevents described scaling powder smog from entering in the chamber residing for described infrared lamp.
4. infrared heating welder as claimed in claim 1, it is characterized in that, described belt pressing device comprises: the guide holder be movably connected on described frame, moving up and down relative to described frame along vertical; Be fixed on the fairlead on described guide holder; Be movably connected in through described fairlead on the pilot hole of described guide holder, for following described guide holder move up and down, guide pillar pressing for moving up and down relative to described guide holder; Be placed between described guide pillar pressing and described fairlead, act on the rubber sleeve that the contact surface of described guide pillar pressing and described fairlead plays noise reduction and cushioning effect; The pre-heated heater of described guide pillar pressing is given under the control action of described control device; Detect described guide pillar pressing temperature, the temperature value detected fed back to the pressing temperature detector of described control device; Detect that described guide pillar pressing temperature sends pressing alarm signal to the pressing thermal protector of control device when exceeding pressing temperature threshold; Described guide holder is connected with the front shroud be oppositely arranged and back shroud, and described heater, described pressing temperature detector and described pressing thermal protector to be all arranged on described guide holder and to be enclosed in described guide holder by described front shroud and described back shroud; Described guide holder under the control action of described control device along vertical in the motion process of described welding position, the motion of described guide holder followed by described fairlead, described guide pillar pressing and described rubber sleeve follow the motion of described fairlead and stop motion after touching described welding, the limit inferior pressure zone position that described guide holder moves to described guide holder followed by described fairlead, described guide holder does not contact with described welding when moving to described limit inferior pressure zone position, with the Action of Gravity Field making described welding only bear described guide pillar pressing.
5. infrared heating welder as claimed in claim 4, it is characterized in that, described pilot hole is connected with a blowing plant, when described blowing plant provides compressed air, the smog blowout pilot hole that the compressed air blown out from described pilot hole will produce during welding, to prevent welding fume in described pilot hole region crystallization.
6. infrared heating welder as claimed in claim 4, is characterized in that, described guide holder offering the exhaust smoke hole for being connected with gas sampling pipeline, the smog produced during to be discharged welding by described gas sampling pipeline.
7. infrared heating welder as claimed in claim 4, is characterized in that,
Matched in clearance between described guide pillar pressing and described fairlead, described fairlead is followed described guide holder and is moved in the limit inferior pressure zone position process of described guide holder and make described guide pillar pressing through described fairlead, to limit the direction of motion of described guide pillar pressing;
The number of described infrared bonding table apparatus is identical with the number of cell piece main gate line; The number of described belt pressing device is identical with the number of described cell piece main gate line.
8. a series welding machine, it is characterized in that, comprise infrared heating welder, for transmit cell piece cell piece transmitting device and for providing the tape supply device of welding for described infrared heating welder, described infrared heating welder is the infrared heating welder described in any one of claim 1 ~ 7.
9. an IR welding method, subject of implementation is series welding machine according to claim 8, it is characterized in that, comprising:
Infrared heating welder preheating infrared line fluorescent tube and guide pillar pressing, make described infrared lamp and described guide pillar pressing all reach preheat temperature;
When described guide pillar pressing and described infrared lamp reach described preheat temperature, first assembly welding band is placed in the welding gathering sill of described infrared heating welder by described tape supply device, and described first assembly welding band comprises the welding with the identical number of cell piece main gate line number;
Cell piece transmitting device conveying placing battery plate, makes the main gate line on the shady face of described first assembly welding band and described cell piece coincide;
Described infrared heating welder adsorbs described cell piece by the vacuum absorption holes opened on light cover plate;
Second assembly welding band is placed on the sensitive surface of described cell piece by described tape supply device, and the main gate line on the sensitive surface of described second assembly welding band and described cell piece is coincided, and described second assembly welding band comprises the welding with the identical number of cell piece main gate line number;
The gas hole on tube face opened by described infrared heating welder;
Described infrared heating welder increases the heating power of described infrared lamp, described infrared lamp temperature is made to be elevated to welding temperature, meanwhile, the belt pressing device of described infrared heating welder moves along vertical to described second assembly welding band position;
Described guide pillar pressing in described belt pressing device is followed after guide holder moves to the described second assembly welding band of contact and is kept motionless, and with fixing described second assembly welding band, described guide holder continues to move to limit inferior pressure zone position;
Described second assembly welding tape welding is received the sensitive surface of described cell piece by described infrared heating welder by described infrared lamp heat effect, described first assembly welding tape welding is received the shady face of described cell piece;
The described belt pressing device of described infrared heating welder moves to initial position;
The complete described cell piece of welding removed by described cell piece transmitting device, carries out the welding operation of next cell piece to make described series welding machine.
10. infrared welding process as claimed in claim 9, it is characterized in that, described first assembly welding tape welding is received the shady face of described cell piece by described infrared heating welder by described infrared lamp heat effect, while described second assembly welding tape welding being received the sensitive surface operation of described cell piece, described infrared heating welder is blown to described infrared lamp by the gas hole on described tube face, described infrared heating welder is blown in described belt pressing device inside by pilot hole, to prevent welding fume in described pilot hole region crystallization.
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