CN100573921C - A kind of solar components and manufacture method thereof - Google Patents
A kind of solar components and manufacture method thereof Download PDFInfo
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- CN100573921C CN100573921C CNB2007101661590A CN200710166159A CN100573921C CN 100573921 C CN100573921 C CN 100573921C CN B2007101661590 A CNB2007101661590 A CN B2007101661590A CN 200710166159 A CN200710166159 A CN 200710166159A CN 100573921 C CN100573921 C CN 100573921C
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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
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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 invention discloses a kind of solar components, it comprises a pcb board and a plurality of solar battery sheet; Described a plurality of solar battery sheet is arranged at the one side of described pcb board, and be electrically connected with described pcb board by the contact conductor of drawing from the main grid line of described solar battery sheet, and the contact conductor of drawing from the main grid line of described each solar battery sheet is at least two.In addition, have two junctions between described a plurality of solar cell back faces are near both sides and described pcb board, a junction is the weld that is provided with tin cream, and another junction is the abutting edge that is provided with bonding agent.And further disclose the encapsulation tool of making above-mentioned solar components, and use this encapsulation tool to make the method for packing of above-mentioned solar components.Use this encapsulation tool and method for packing can be efficiently and high texture prepare solar components, and this solar components is not easily broken in the welding solidification process, and being provided with of its multilead guaranteed its circuit safety in use.
Description
Technical field
The invention belongs to area of solar cell, relate in particular to a kind of small-sized solar assembly and manufacture method thereof.
Background technology
Along with the mankind's continuous development, energy resource consumption is increasing, makes the related-art process of solar components become the hot issue that the whole society pays close attention to energetically.For solar components itself, the length of its working life and packaging technology have direct relation.In the prior art, Chinese patent CN200520069876 discloses a kind of circuit arrangement of Solar lamp, and described device comprises solar cell, control circuit and LED.Wherein, comprise a plurality of solar battery sheets after cutting in the described solar cell, described solar battery sheet proper alignment is on the one side of a pcb board (printed circuit board (PCB)), control circuit is contained on another piece pcb board, the back side of above-mentioned two pcb boards utilizes glue bond together, thereby forms the Lawn lamp control module of solar cell and controller integral.In this patent, simply a plurality of solar battery sheets are arranged in together, the not arrangement of limiting it property, it certainly exists the possibility of arranging irregularity so, this irregularity may be originally not on a horizontal plane at the upper surface bar that is presented at described a plurality of solar battery sheets to a greater extent, solar panel under the so this form is unfavorable for its installation in electronic equipments such as mobile phone, and the market utilance is very low.In addition, the connected mode of described a plurality of solar battery sheet and pcb board is not disclosed in this patent, the large-area welding procedure of many employings realizes being connected of described solar battery sheet and pcb board in the prior art, in above-mentioned welding process, because the pad of described pcb board and the coefficient of expansion of tin cream are different, so be easy to cause the cracked of solar battery sheet.Of paramount importancely be, in the prior art, when being encapsulated in a plurality of solar battery sheets on the described pcb board, drawing the contact conductor that also is connected with pcb board from described each solar battery sheet main grid line all is single lead-in wire, for this kind lead design, in case lead-in wire damages, and will cause the paralysis of whole solar cell, thereby cause the equipment can't operate as normal.
Summary of the invention
The purpose of this invention is to provide a kind of on pcb board a plurality of solar battery sheets of regular arrangement, and has a reliable solar components of connection of multi-electrode lead-in wire, the packaging technology and the special encapsulation tool of above-mentioned solar components are further disclosed simultaneously, to improve the quality of product in packaging efficiency and the encapsulation process.
For achieving the above object, the invention provides following two technical schemes:
A kind of solar components comprises a pcb board and a plurality of solar battery sheet; Described a plurality of solar battery sheet is arranged at the one side of described pcb board, and is electrically connected with described pcb board by the contact conductor of drawing from the main grid line of described solar battery sheet; The contact conductor of drawing from the main grid line of each solar battery sheet is at least two.Certainly selecting described contact conductor of drawing from the main grid line of each solar battery sheet is two.Wherein, described a plurality of solar cell back faces are near having two junctions between both sides and the described pcb board, and a junction is the weld that is provided with tin cream, and another junction is the abutting edge that is provided with bonding agent.Described bonding agent is a silica gel.
In addition, also can the hot-setting adhesive cover layer be set respectively in the both sides of described solar battery sheet, wherein the hot-setting adhesive cover layer of a side covers described contact conductor at least along the main grid line, and the hot-setting adhesive cover layer of opposite side covers the marginal portion of described a plurality of solar battery sheets at least along the other end of the horizontal expansion of described solar battery sheet main grid line end.Wherein, the preferred bi-component hot-setting adhesive of described hot-setting adhesive.
Above-mentioned pcb board can be selected two-sided pcb board.
A kind of encapsulation tool that is used to make above-mentioned solar components, it comprises: one is used for described a plurality of solar battery sheets neatly are fixed in spacer on the described pcb board, described spacer has a hollow region of holding a plurality of solar battery sheets, and one is used for described a plurality of solar battery sheets are compacted at pressing plate on the described pcb board.Wherein, described encapsulation tool can also comprise a base, and described base has one to be held and the fixing groove of pcb board.Wherein, described depth of groove should be equal to or less than the height sum that described pcb board adds described solar battery sheet.
A kind of method of making above-mentioned solar components, it comprises the steps: that (1) aforementioned weld and abutting edge on pcb board applies tin cream and adhesive respectively; (2) spacer is placed on the pcb board after step (1) processing, and the hollow space above spacer is positioned at pcb board is neatly laid a plurality of solar battery sheets successively; (3) pressing plate is placed the top of spacer, with described a plurality of solar battery sheets and pcb board compacting; (4) pcb board that is packaged with a plurality of solar battery sheets that will be after compacting and spacer and pressing plate integral body are put into the reflow ovens welding and are solidified; (5) after the cooling of bit slice undetermined and pressing plate, remove spacer and pressing plate, take out pcb board; (6) will be welded on the described pcb board solar components after can obtaining encapsulating from the contact conductor that described each solar battery sheet main grid line is drawn; Wherein, described adhesive is a silica gel.
Also the pcb board after handling through step (1) can be put into reeded base is set, afterwards described spacer be placed the top of described pcb board.
In above-mentioned steps (6) afterwards, hot-setting adhesive covered contact conductor or contact conductor and near a side of the solar battery sheet of described contact conductor, and the other end of the horizontal expansion of solar battery sheet and near on the pcb board of this end; Then above-mentioned pcb board is put into baking oven, be incubated 2～3 hours, cool to room temperature with the furnace.Wherein, described hot-setting adhesive is the bi-component hot-setting adhesive.Described temperature of oven is 60～65 ℃.
In above-mentioned method for packing, described adhesive is a silica gel.It is 1-6min that reflow ovens in the described step (4) is welded curing time; Temperature in the described reflow ovens is controlled to be in 1-2min temperature and rises to 150 ℃ from 20 ℃, and temperature constant is 150 ℃ in 2-4min, and temperature rises to 230 ℃ from 150 ℃ in 4-5min, and temperature is reduced to 220 ℃ from 230 ℃ in 5-6min.Encapsulation tool in the described step (5) is cooled to described reflow ovens cooling; The temperature cooldown rate of described reflow ovens is 70-75 ℃/min.Be welded as ultrasonic bonding described in the step (6).
Described pcb board is two-sided pcb board, and described a plurality of solar battery sheets are arranged at the one side of described two-sided pcb board.
Gluing process is adopted in the covering of described hot-setting adhesive.
Technology disclosed by the invention has following advantage:
(1) setting of multilead in the solar components has guaranteed that under the prerequisite that single lead-in wire damages, lead-in wire in addition guarantees the circuit communication of solar components, and then the normal operation of the equipment of assurance;
(2) being connected of described a plurality of solar battery sheet and pcb board adopts an end to weld the bonding mode of an end, reduced the contact area between the two effectively, reduced the described pcb board of a plurality of solar battery sheets that is equipped with in reflow ovens welding solidification process, because temperature raises, be positioned at the pad on the pcb board and the coefficient of expansion difference of tin cream, thereby cause the cracked possibility of solar battery sheet;
(3) lead-in wire that adopts the supersonic welding connection technology that every solar battery sheet main grid line is drawn uses the supersonic welding connection technology that it is welded on the pcb board, this technology has reduced the area of solder joint greatly, correspondingly discharge effective extinction area of solar silicon wafers greatly, improved the operating efficiency of solar components;
(4) in order to guarantee to go between and life-span of solar battery sheet, the present invention adopts dispensing technology that the bi-component hot-setting adhesive is covered on lead-in wire and the pcb board, the use of this dispensing technology has improved the uniformity and the planarization of covering glue layer greatly, thereby has accelerated its curing efficiency.
Description of drawings
Fig. 1 is the structural representation of solar components of the present invention;
Fig. 2 is the schematic diagram of optimizing structure of solar components of the present invention;
Fig. 3 is the process chart of solar components manufacture method of the present invention;
Fig. 4 is the user mode schematic diagram of used tool when making solar components of the present invention;
Fig. 5 is the relevant position schematic diagram of solder paste application and bonding agent on the pcb board of solar components of the present invention;
Each label is expressed as respectively in the accompanying drawing: base-101; Spacer-102; Pressing plate-103; Solar battery sheet-201; Pcb board-202; Main grid line-203; Contact conductor-204; Junction-205; Cover layer-206.
Embodiment
The invention will be further described below in conjunction with drawings and Examples, but should be noted that these embodiment only are used to assembly of the present invention, tool and method are described, and scope of the present invention can not be confined to this.
Be illustrated in figure 1 as the structural representation of solar components of the present invention, that this figure shows is the embodiment that draws the bipolar electrode lead-in wire from the main grid line 203 of each solar battery sheet 201; Certainly, as the embodiment that can select, contact conductor 204 of drawing from the main grid line 203 of each solar battery sheet 201 of the present invention can be three or more.Solar components of the present invention comprises pcb board 202, and is arranged on a plurality of solar battery sheets 201 on the pcb board 202, and described a plurality of solar battery sheet 201 proper alignment are provided with on the one side of pad in pcb board 202; Described proper alignment need realize that a plurality of solar battery sheet 201 transverse ends are positioned on the straight line, and its upper surface all is in a plane.In addition, described solar battery sheet 201 back sides (being the joint face of described solar battery sheet 201 and described pcb board 202) near both sides and described pcb board 202 between have two junctions 205 (referring to Fig. 5), a junction 205 is for being provided with the weld of tin cream, and another junction 205 is for being provided with the abutting edge of bonding agent; Described junction 205 near contact conductor 204 can be a weld, also can be set to the abutting edge, and when selecting weld is set at this place so, correspondingly 205 of junctions away from contact conductor 204 are the abutting edges.Wherein, solar components of the present invention also also is provided with main grid line 203 in the same side of a plurality of solar battery sheets 201, and from the main grid line 203 of each solar battery sheet 201, draw two electrical leads 204, contact conductor 204 is soldered on the pcb board 202, and realization is electrically connected with described pcb board 202.
The operation principle of above-mentioned solar components is as follows: at first, solar battery sheet 201 absorbs and is radiated at its surperficial light, and by optical-electrical converter luminous energy is converted into electric energy, and the electric energy that changes into is present in the solar battery sheet 201 with the form of electronics; Then, electronics is introduced in the circuit on the described pcb board 202 by described contact conductor 204, and the circuit on the pcb board 202 carries out subsequent treatment again with in the output control circuit that electronics is introduced with pcb board 202 is connected that receives.The contribution that the present invention gives prominence to is that being provided with of two/multi-electrode lead-in wire guaranteed that being provided with of another electrical leads 204 can be kept normally carrying out of the above-mentioned course of work of solar components in the bipolar electrode lead-in wire when an electrical leads 204 disconnects in the solar components.
Shown in Fig. 2 is the structural representation of the another embodiment of solar components of the present invention, and it has added two cover layers 206 on the basis of above-mentioned solar components, and described cover layer 206 is the hot-setting adhesive cover layer; Wherein, cover layer 206 covers lead-in wire and near the horizontal end of the solar battery sheet 201 of lead-in wire, 206 of another cover layers cover solar battery sheet 201 along the other end of the horizontal expansion of main grid line 203 ends with near on the pcb board 202 of this end along main grid line 203; The setting of this embodiment is to have considered in the ordinary course of things, because the exposed design of aluminum steel, long-term use easily causes its wear and rupture, and for guard electrode lead-in wire 204 better, the spy thereon and add cover layer 206 on the connected solar battery sheet 201; The setting of this cover layer 206, to go between intactly be coated in, but since its that width is set is limited, so its area coverage is also limited, so in the time of in being subsequently applied to electronic equipment, its location area is less, thereby has had influence on the resistance to overturning that this assembly is provided with, so the present invention is provided with another cover layer 206 in order to address this problem at the horizontal other end of the solar battery sheet 201 relative with main grid line 203 ends with near on the pcb board 202 of this end.
Certainly, the other embodiment that can select as the foregoing description also can go between 204 just to guard electrode, applies the hot-setting adhesive cover layer on described contact conductor 204, avoids outside it is exposed to, because use causes damage.Also can only cover the marginal portion of described solar panel 201 at the other end along the horizontal expansion of solar panel 201 main grid lines 203 ends.
In addition, need to prove: the preferred ultrasonic bonding of welding procedure of the contact conductor 204 of (1) described solar components, thereby guarantee that the solder joint area is as far as possible little, avoided common welding procedure because the solder joint area is bigger, and cause to the taking of the effective extinction area of silicon chip of solar cell, make the battery conversion ratio reduce; (2) contact conductor 204 preferred aluminum steels; (3) the preferred single-row arrangement of the arrangement mode of a plurality of solar battery sheets 201, this arrangement mode is simple and efficient, and marshalling, has aesthetic property; In addition, as the another way that can select, the arrangement of described solar battery sheet 201 also can be selected array arrangement.Below continue in conjunction with the accompanying drawings the manufacturing technology steps of solar components at length to be set forth.
Please see Figure 3, Fig. 3 is the process chart of solar components manufacture method of the present invention.
Step 10, the place, two ends that is provided with the one side of pad at pcb board 202 applies tin cream and adhesive respectively, and corresponding aforesaid junction 205 is located at the two ends of described covering tin cream and adhesive.The present invention is in order to overcome in the prior art owing to large tracts of land between pcb board and the solar battery sheet is welded to connect the thermal coefficient of expansion difference because of pad on the pcb board and tin cream that causes, in preparation process, easily cause the defective that solar battery sheet is cracked, the spy has proposed originally that an end welds with tin cream between solar battery sheet 201 and the pcb board 202, the other end is realized the connected mode of bonding with adhesive, thereby has avoided above-mentioned defective.Wherein, the preferred silica gel of described adhesive.
Step 20, take out the base 101 of solar components encapsulation tool of the present invention, base 101 is provided with a groove, the one side that pcb board 202 is provided with pad upwards is positioned in this groove, the main effect of groove is for fixing pcb board 202, so its size should be more than or equal to the size of the pcb board 202 of putting into it, in a preferred embodiment, this groove size is a bit larger tham the size of pcb board 202, not hinder fixation and to be convenient to put into into good; Please be simultaneously referring to Fig. 4, the user mode schematic diagram of Fig. 4 used tool when making solar components of the present invention, by the understanding to this figure, be not difficult to find out: the placement of spacer 102 is groove among the figure, but owing to it is in the user mode, so groove can't be shown.Herein, needing ben is that the degree of depth of described groove should be equal to or less than the height sum that described pcb board 202 adds described solar battery sheet 201.
Step 30, be positioned over spacer 102 on the pcb board 202 then and embed in the groove, the gravel size decision of spacer 102 is identical with pcb board 202, the degree of depth of while groove also is designed to the thickness sum of pcb board 202 and spacer 102 about the same or dark slightly, so just makes spacer 102 also can be embedded in the groove.Spacer 102 is provided with hollow space, and this hollow space is the position-limiting action that will be arranged at the solar battery sheet 201 on the pcb board 202 to follow-up in order to realize, so a plurality of solar battery sheets 201 of the size of described hollow space and proper alignment are measure-alike.
Step 40 is positioned over the hollow space inside of above-mentioned spacer 102 successively with a plurality of solar battery sheets 201, and realizes its proper alignment.After setting above-mentioned solar battery sheet 201, the upper surface of described solar battery sheet 201 should guarantee the upper surface of a little higher than base 101 and the upper surface of spacer 102, so that pressing plate described later 103 can be realized better with described a plurality of solar battery sheets 201 and pcb board 202 compactings.
Step 50 is placed on the top (as shown in Figure 4) of a plurality of solar battery sheets 201 behind the location with pressing plate 103, and pushes pressing plate, with tin cream and the adhesive compacting that is provided with on solar battery sheet 201 and pcb board 202 and the contact-making surface between them.As seen, the effect of pressing plate 103 just is to strengthen the compactness that is connected of solar battery sheet 201 and pcb board 202.Wherein, described pressing plate 103 can be slidingly connected and be arranged on the spacer 102, also can be to separate setting with described spacer 102.The size of described pressing plate 103 should be as much as possible near the lateral length of described solar battery sheet 201, its material can select to use steel, plastics or alloy that hardness is stronger.
Step 60, pcb board that is packaged with a plurality of solar battery sheets 201 202 that will be after compacting and spacer 102 and pressing plate 103 integral body put into the reflow ovens welding solidify 1-6min (minute); In this welding program curing, preferably temperature is controlled to be that temperature rises to 150 ℃ from 20 ℃ in 1-2min, temperature constant is 150 ℃ in 2-4min, and temperature rises to 230 ℃ from 150 ℃ in 4-5min, and temperature is reduced to 220 ℃ from 230 ℃ in 5-6min.After welding was solidified, tin cream that is provided with between described a plurality of solar battery sheets 201 and the described pcb board 202 and hot-setting adhesive solidified, and have really realized the connection between the said two devices.
Step 70 is cooled off the above-mentioned solar components that has base, spacer and pressing plate after the reflow ovens welding is solidified, and this cooling program can take out the described solar components that has base, spacer and pressing plate it is carried out nature cooling cooling; Also can select this solar components that has base, spacer and pressing plate to cool off in the lump with reflow ovens, if select with the stove cooling, then will control reflow ovens temperature cooldown rate is 70-75 ℃/min.
Step 80, treat the above-mentioned solar components cooling that has spacer and a pressing plate after, remove spacer 102 and pressing plate 103, take out the pcb board 202 of a plurality of solar battery sheets 201 of proper alignment afterwards.
Step 90 is drawn two or many electrical leads 204 from each solar battery sheet 201 main grid line 203, and above-mentioned contact conductor 204 is soldered on the described pcb board 202; The preferred ultrasonic bonding of welding herein, its purpose is to realize being connected of less solder joint between contact conductor 204 and the pcb board 202, avoided simultaneously that common welding procedure causes easily owing to the solder joint area takies the problem in the effective extinction of solar cell zone greatly, can improve the extinction efficient of solar cell to a certain extent.
Step 100, hot-setting adhesive is covered the both sides of solar battery sheet 201 and the junction 206 of pcb board 202 respectively, one side is to cover along main grid line 203, this is for fixing and guard electrode lead-in wire 204, because the contact conductor 204 of aluminium matter is very thin, prevent that it from rupturing owing to wearing and tearing in installation and use; Opposite side and main grid line 203 end symmetries, the horizontal other end along solar battery sheet 201 covers hot-setting adhesive, this is to be connected more securely in order to make between a plurality of solar battery sheets 201 and the pcb board 202, and make solar battery sheet 201 both sides contour, guarantee its planarization, the installation of also being convenient to whole solar components both attractive in appearance.Wherein, the preferred bi-component hot-setting adhesive of described hot-setting adhesive, described bi-component hot-setting adhesive from it in nature, promptly be the glue that needs to realize its bonding purpose through heating, on its component, it comprises two kinds of glue, by the synergy of above-mentioned two kinds of glue, realizes bonding between described a plurality of solar battery sheets 201 and the pcb board 202 under heated condition; Described glue can be that ethylene fluoride is third rare, polyvinyl butyral resin, transparent dioxygen resin, polyvinyl acetate etc., in the prior art, so long as can satisfy following condition: 1. in visible-range, have high light transmittance; 2. has elasticity; 3. the colloid that has the excellent electric insulating energy all is applicable to the present invention.Contact conductor 204 after welding is being carried out above-mentioned rubber cover when handling, can use manual rubber cover to handle, but preferred employing is dispensing technology in the present invention, the use of this technology has been avoided being unfavorable for the drawback that colloid solidifies owing to the glue face is uneven in traditional rubber cover technology, strengthened the uniformity that colloid covers on the one hand, improve the evenness of glue face, improved curing efficiency.
It is 60～65 ℃ baking oven that step 110, the pcb board 202 after above-mentioned rubber cover handled are put into temperature, is incubated 2～3 hours.
Step 120 cools to the pcb board after oven for drying is handled with the furnace room temperature, the solar components after can obtaining encapsulating.
In the technological process of above-mentioned solar components, step (10) and step (20) can be exchanged.
By description to above-mentioned technological process, be not difficult to find out, the instrument that uses when being used to make solar components of the present invention comprises base 101, spacer 102 and pressing plate 103, for above-mentioned three functions of components and that the position is set is clearly open in above-mentioned technology is described, so do not give unnecessary details at this.
Need to prove that above-mentioned technological process is for making the preferred flow of solar components of the present invention.It has used base 101, spacer 102 to realize the integral body of described a plurality of solar battery sheets 201 and pcb board 202 is located.As the embodiment that can select, the instrument that uses during described manufacturing solar components can only comprise described spacer 102 and pressing plate 103, so correspondingly will correspondingly lack step 20 in above-mentioned technological process.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the invention.
Claims (19)
1. a solar components comprises a pcb board and a plurality of solar battery sheet; Described a plurality of solar battery sheet is arranged at the one side of described pcb board, and be electrically connected with described pcb board by the contact conductor of drawing from the main grid line of described solar battery sheet, it is characterized in that, described a plurality of solar cell back face is near having two junctions between both sides and the described pcb board, a junction is the weld that is provided with tin cream, and another junction is the abutting edge that is provided with bonding agent; The contact conductor of drawing from the main grid line of each solar battery sheet is at least two.
2. solar components according to claim 1 is characterized in that, described bonding agent is a silica gel.
3. solar components according to claim 1, it is characterized in that, both sides at described solar battery sheet are provided with the hot-setting adhesive cover layer respectively, wherein the hot-setting adhesive cover layer of a side covers described contact conductor at least along the main grid line, and the hot-setting adhesive cover layer of opposite side covers the marginal portion of described a plurality of solar battery sheets at least along the other end of the horizontal expansion of described solar battery sheet main grid line end.
4. solar components according to claim 3 is characterized in that, described hot-setting adhesive is the bi-component hot-setting adhesive.
5. solar components according to claim 1 is characterized in that, described pcb board is two-sided pcb board.
6. solar components according to claim 1 is characterized in that, described contact conductor of drawing from the main grid line of each solar battery sheet is a double lead.
7. the manufacture method of the described solar components of claim 1, it comprises the steps:
(1) aforementioned weld on pcb board and abutting edge apply tin cream and adhesive respectively;
(2) spacer is placed on the pcb board after step (1) processing, and the hollow space above spacer is positioned at pcb board is neatly laid a plurality of solar battery sheets successively;
(3) pressing plate is placed the top of spacer, with described a plurality of solar battery sheets and pcb board compacting;
(4) pcb board that is packaged with a plurality of solar battery sheets that will be after compacting and spacer and pressing plate integral body are put into the reflow ovens welding and are solidified;
(5) after the cooling of bit slice undetermined and pressing plate, remove spacer and pressing plate, take out pcb board;
(6) will be welded on the described pcb board from the contact conductor that described each solar battery sheet main grid line is drawn, can obtain solar components.
8. manufacture method according to claim 7 is characterized in that, will put into through the pcb board after step (1) is handled reeded base is set, and afterwards described spacer is placed the top of described pcb board.
9. manufacture method according to claim 7, it is characterized in that, in described step (6) afterwards, hot-setting adhesive covered contact conductor or contact conductor and near a side of the solar battery sheet of described contact conductor, and the other end of the horizontal expansion of solar battery sheet and near on the pcb board of this end; Then above-mentioned pcb board is put into baking oven, be incubated 2～3 hours, cool to room temperature with the furnace.
10. manufacture method according to claim 9 is characterized in that, temperature of oven is 60～65 ℃.
11. manufacture method according to claim 9 is characterized in that, described hot-setting adhesive is the bi-component hot-setting adhesive.
12. manufacture method according to claim 7 is characterized in that, described adhesive is a silica gel.
13. manufacture method according to claim 7 is characterized in that, it is 1-6min that the reflow ovens in the described step (4) is welded curing time.
14. manufacture method according to claim 7, it is characterized in that, temperature in the described reflow ovens is controlled to be that temperature rises to 150 ℃ from 20 ℃ in 1-2min, temperature constant is 150 ℃ in 2-4min, temperature rises to 230 ℃ from 150 ℃ in 4-5min, and temperature is reduced to 220 ℃ from 230 ℃ in 5-6min.
15. manufacture method according to claim 7 is characterized in that, being cooled to described reflow ovens of spacer in the described step (5) and pressing plate cooled off.
16. manufacture method according to claim 15 is characterized in that, the temperature cooldown rate of described reflow ovens is 70-75 ℃/min.
17., it is characterized in that described pcb board is two-sided pcb board according to claim 7 or 8 or 9 described manufacture methods, a plurality of described solar battery sheets are arranged at the one side of described two-sided pcb board.
18. manufacture method according to claim 7 is characterized in that, is welded as ultrasonic bonding described in the step (6).
19. manufacture method according to claim 9 is characterized in that, gluing process is adopted in the covering of described hot-setting adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101661590A CN100573921C (en) | 2007-11-12 | 2007-11-12 | A kind of solar components and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101661590A CN100573921C (en) | 2007-11-12 | 2007-11-12 | A kind of solar components and manufacture method thereof |
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| CN101170140A CN101170140A (en) | 2008-04-30 |
| CN100573921C true CN100573921C (en) | 2009-12-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082196A (en) * | 2009-12-01 | 2011-06-01 | 萧秉忠 | Method for manufacturing solar module and structure of solar module |
| CN101834230B (en) * | 2010-04-30 | 2011-12-21 | 中山大学 | Method for preparing colorful film for protecting solar cell thin grid line metal electrode by adopting mask |
| CN102717160A (en) * | 2012-06-24 | 2012-10-10 | 成都聚合科技有限公司 | Manufacturing process for heating and curing photovoltaic concentrator cell chip and circuit substrate |
| CN103441173B (en) * | 2013-09-12 | 2015-12-23 | 绿尚太阳能科技（上海）有限公司 | Double-face electrode solar battery sheet SMT mounting structure and production technology thereof |
| CN111570218A (en) * | 2020-05-26 | 2020-08-25 | 苏州凌威新能源科技有限公司 | Protection method for welding seal |
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2007
- 2007-11-12 CN CNB2007101661590A patent/CN100573921C/en not_active Expired - Fee Related
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|---|---|
| CN101170140A (en) | 2008-04-30 |
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Assignee: Solar Cells (Tangshan) Caofeidian Co., Ltd. Assignor: Hengjiweiye Investment Development Co., Ltd., Beijing Contract record no.: 2010990001025 Denomination of invention: A solar component and its manufacture method Granted publication date: 20091223 License type: Exclusive License Open date: 20080430 Record date: 20101231 |
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