CN201130668Y - Solar module as well as special encapsulation tool thereof - Google Patents
Solar module as well as special encapsulation tool thereof Download PDFInfo
- Publication number
- CN201130668Y CN201130668Y CN 200720195292 CN200720195292U CN201130668Y CN 201130668 Y CN201130668 Y CN 201130668Y CN 200720195292 CN200720195292 CN 200720195292 CN 200720195292 U CN200720195292 U CN 200720195292U CN 201130668 Y CN201130668 Y CN 201130668Y
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- China
- Prior art keywords
- circuit board
- printed circuit
- solar
- solar battery
- pcb
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- Expired - Fee Related
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar energy assembly, comprising a printed circuit board and a plurality of solar cells; wherein, each polar cell is arranged on one surface of the printed circuit board and electrically connected with the printed circuit board through a plurality of electrode leads from a main gate line of the solar cell; at least two electrode leads are led from a main gate line of a solar cell; each polar cell is provided with two connecting parts on the rear face adjacent to both sides between the rear face and the printed circuit board; one connecting part is for welding and the other connecting part is for pasting. The utility model further discloses a packing tool used for producing the solar assembly and a packing method of the solar assembly. The application of the packing tool and the packing method can produce the solar assembly with high efficiency and high quality. The solar energy assembly has the advantages of less tendency to break, and circuit safety during operation due to the leads.
Description
Technical field
The utility model belongs to area of solar cell, relates in particular to a kind of small-sized solar assembly and special encapsulation tool 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 printed circuit board, control circuit is contained on another printed circuit board, the back side of above-mentioned two printed circuit board (PCB)s 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 printed circuit board (PCB) is not disclosed in this patent, the large-area welding procedure of many employings realizes being connected of described solar battery sheet and printed circuit board (PCB) in the prior art, in above-mentioned welding process, because the pad of described printed circuit board (PCB) 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 printed circuit board (PCB), drawing the contact conductor that also is connected with printed circuit board (PCB) 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.
The utility model content
The purpose of this utility model provide a kind of on printed circuit board (PCB) a plurality of solar battery sheets of regular arrangement, and has a reliable solar components of connection of multi-electrode lead-in wire, the special encapsulation tool of above-mentioned solar components is further disclosed simultaneously, to improve the quality of product in packaging efficiency and the encapsulation process.
For achieving the above object, the utility model provides following two technical schemes:
A kind of solar components comprises a printed circuit board (PCB) and a plurality of solar battery sheet; Described a plurality of solar battery sheet is arranged at the one side of described printed circuit board (PCB), and is electrically connected with described printed circuit board (PCB) 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 described 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 printed circuit board (PCB), 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 printed circuit board (PCB) can be selected double-sided printed-circuit 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 printed circuit board (PCB), 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 printed circuit board (PCB).Wherein, described encapsulation tool can also comprise a base, and described base has one and holds the also groove of fixed printed circuit board.
Wherein, described depth of groove should be equal to or less than the height sum that described printed circuit board (PCB) adds described solar battery sheet.
The disclosed technology of the utility model 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 printed circuit board (PCB) adopts an end to weld the bonding mode of an end, reduced the contact area between the two effectively, reduced the described printed circuit board (PCB) 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 printed circuit board (PCB) 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 printed circuit board (PCB), 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) the utility model has also been created the encapsulation tool of solar components, simple and practical, cheap, easy and simple to handle, realized a plurality of solar battery sheets of regular arrangement on printed circuit board (PCB), the upper surface that can also keep described a plurality of solar battery sheets is a plane.
Description of drawings
Fig. 1 is the structural representation of the utility model solar components;
Fig. 2 is the schematic diagram of optimizing structure of solar components described in the utility model;
Fig. 3 is the process chart of the utility model solar components packaging technology;
Fig. 4 is the user mode schematic diagram of the special encapsulation tool of the utility model solar components;
Fig. 5 is the relevant position schematic diagram of solder paste application and bonding agent on the printed circuit board (PCB) of the utility model solar components;
Each label is expressed as respectively in the accompanying drawing: base-101; Spacer-102; Pressing plate-103; Solar battery sheet-201; Printed circuit board (PCB)-202; Main grid line-203; Contact conductor-204; Junction-205; Cover layer-206.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples, but should be noted that these embodiment only are used to assembly described in the utility model, tool and method are described, and scope of the present utility model can not be confined to this.
Be illustrated in figure 1 as the structural representation of the utility model solar components, 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 described in the utility model can be three or more.Solar components described in the utility model comprises printed circuit board (PCB) 202, and is arranged on a plurality of solar battery sheets 201 on the printed circuit board (PCB) 202, and described a plurality of solar battery sheet 201 proper alignment are provided with on the one side of pad in printed circuit board (PCB) 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 printed circuit board (PCB) 202) near both sides and described printed circuit board (PCB) 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 described in the utility model 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 printed circuit board (PCB) 202, and realization is electrically connected with described printed circuit board (PCB) 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 printed circuit board (PCB) 202 by described contact conductor 204, and the circuit on the printed circuit board (PCB) 202 carries out subsequent treatment again with in the output control circuit that electronics is introduced with printed circuit board (PCB) 202 is connected that receives.The outstanding contribution of the utility model is, 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 described in the utility model, 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 printed circuit board (PCB) 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 utility model 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 printed circuit board (PCB) 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 process steps of solar components at length to be set forth.
Please see Figure 3, Fig. 3 is the process chart of solar components packaging technology described in the utility model.
It is 60～65 ℃ baking oven that step 110, the printed circuit board (PCB) 202 after above-mentioned rubber cover handled are put into temperature, is incubated 2～3 hours.
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 manufacturing of solar components described in the utility model, its special encapsulation tool has played requisite effect.It 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 described in the utility model.It has used the base 101 in the special encapsulation tool, spacer 102 to realize the integral body of described a plurality of solar battery sheets 201 and printed circuit board (PCB) 202 is located.As the embodiment that can select, described special encapsulation tool 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 utility model creation.
Claims (10)
1. a solar components comprises a printed circuit board (PCB) and a plurality of solar battery sheet; Described a plurality of solar battery sheet is arranged at the one side of described printed circuit board (PCB), and be electrically connected with described printed circuit board (PCB) by the contact conductor of drawing from the main grid line of described solar battery sheet, it is characterized in that the contact conductor of drawing from the main grid line of described each solar battery sheet is at least two.
2. solar components according to claim 1, it is characterized in that, described a plurality of solar cell back face is near having two junctions between both sides and the described printed circuit board (PCB), a junction is the weld that is provided with tin cream, and another junction is the abutting edge that is provided with bonding agent.
3. solar components according to claim 2 is characterized in that, described bonding agent is a silica gel.
4. according to claim 1 or 2 or 3 described solar components, 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.
5. solar components according to claim 4 is characterized in that, described hot-setting adhesive is the bi-component hot-setting adhesive.
6. solar components according to claim 1 is characterized in that, described printed circuit board (PCB) is a double-sided printed-circuit board.
7. 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.
8. an encapsulation tool that is used to make the described solar components of claim 1 is characterized in that, described encapsulation tool comprises:
One is used for described a plurality of solar battery sheets neatly are fixed in spacer on the described printed circuit board (PCB), and 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 printed circuit board (PCB).
9. the encapsulation tool of solar components according to claim 8 is characterized in that, also comprises a base, and described base has one and holds the also groove of fixed printed circuit board.
10. the encapsulation tool of solar components according to claim 9 is characterized in that, the degree of depth of described groove should be equal to or less than the height sum that described printed circuit board (PCB) adds described solar battery sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720195292 CN201130668Y (en) | 2007-11-12 | 2007-11-12 | Solar module as well as special encapsulation tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720195292 CN201130668Y (en) | 2007-11-12 | 2007-11-12 | Solar module as well as special encapsulation tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201130668Y true CN201130668Y (en) | 2008-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720195292 Expired - Fee Related CN201130668Y (en) | 2007-11-12 | 2007-11-12 | Solar module as well as special encapsulation tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201130668Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112420853A (en) * | 2019-08-21 | 2021-02-26 | 苏州阿特斯阳光电力科技有限公司 | Multi-main-grid solar cell and solar module |
-
2007
- 2007-11-12 CN CN 200720195292 patent/CN201130668Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112420853A (en) * | 2019-08-21 | 2021-02-26 | 苏州阿特斯阳光电力科技有限公司 | Multi-main-grid solar cell and solar module |
| CN112420853B (en) * | 2019-08-21 | 2023-04-18 | 苏州阿特斯阳光电力科技有限公司 | Multi-main-grid solar cell and solar module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20131112 |