CN102623566A - Method for enhancing active area positioning accuracy of concentrating photovoltaic cell - Google Patents
Method for enhancing active area positioning accuracy of concentrating photovoltaic cell Download PDFInfo
- Publication number
- CN102623566A CN102623566A CN2012100992169A CN201210099216A CN102623566A CN 102623566 A CN102623566 A CN 102623566A CN 2012100992169 A CN2012100992169 A CN 2012100992169A CN 201210099216 A CN201210099216 A CN 201210099216A CN 102623566 A CN102623566 A CN 102623566A
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- Prior art keywords
- condensation photovoltaic
- copper
- positioning accuracy
- heat
- area positioning
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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
Abstract
The invention relates to a method for enhancing active area positioning accuracy of a concentrating photovoltaic cell, which belongs to the technical field of solar power generation. A plurality of etch trenches are etched on a copper-clad base plate, then a copper foil is coated with a nickel layer and a gold layer, a solder paste, a heat conduction electric conduction gelatin or a heat conduction electric conduction gel is deposited or coated in an area of the cell through screen printing plates or a dispensing mode, and finally the photovoltaic cell is placed in the area of the cell with coating materials, dried and solidified. According to the method for enhancing active area positioning accuracy of the concentrating photovoltaic cell, the structure and the method are simple so that not only a circuit board can be protected against being oxidized, the photovoltaic cell can be positioned accurately in accordance with the design of the circuit board, convergent solar rays can be received completely, generated power is improved, and generation cost is reduced.
Description
Technical field
The present invention relates to a kind of photovoltaic generation parts, be specifically related to a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy, belong to the solar energy generation technology field.
Background technology
In recent years; Light gathering photovoltaic power generating system gets into popular sight line as a kind of emerging photovoltaic system; Because of advantage such as it has that higher conversion efficiency, cost of electricity-generating are low, environmental protection and investment of production equipment are little; Be acknowledged as the most promising big-and-middle-sized photovoltaic power generation technology in future, also do not have a kind of product of practical application to occur up till now, exploitation and the real application research of therefore accelerating light gathering photovoltaic power generating system are imperative.
The principal benefits that concentration photovoltaic solar can electricity generation system be looked for is on condensation photovoltaic battery sheet, to obtain the high density sunray that converges from lens.
Condensation photovoltaic battery sheet coagulates slurry through tin cream or heat-conductivity conducting or heat-conductivity conducting glue is fixed on the opto-electronic conversion acceptor circuit plate; Thus; Because the error that forms in position components design error and the assembling process; Occurring light that optical element converges easily can not focus on the condensation photovoltaic battery sheet and after a period of time of coming into operation fully; Expanded by heating coefficient that parts material difference causes is different, causes problems such as the position of condensation photovoltaic battery sheet changes, and causes to promote difficulty and increase.
Summary of the invention
The purpose of this invention is to provide a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy; This method is to overcome the deficiency of prior art; Realize that circuit board is not oxidized and on condensation photovoltaic battery sheet, receive the sunray that converges fully; Thereby improve photovoltaic cell capable of generating power efficient and generated output, reduce cost of electricity-generating.
In order to realize above-mentioned technical purpose, the present invention has following process and step:
A) will be positioned at etching multiple tracks etching tank on the copper-clad base plate above the condensation photovoltaic opto-electronic conversion acceptor circuit plate, the method for etching etching tank is following: (1) is at first cleaned copper-clad base plate; (2) on Copper Foil, coat photoresist; (3) copper-clad base plate is placed mask aligner, paint the plate aligning with the light that has straight line and broken line etch pattern and carry out photoetching; (4) after the copper-clad base plate after will making public developed, bath dried, and post bake is handled then; (5) place the etching machine to carry out dry method or wet etching copper-clad base plate; (6) then with the processing of removing photoresist of the copper-clad base plate after the etching;
B) be divided on the two-part Copper Foil at the above-mentioned copper-clad base plate groove that is corroded, be taken up in order of priority to apply nickel dam and gold layer, just formed condensation photovoltaic opto-electronic conversion acceptor circuit plate;
C) in the condensation photovoltaic battery panel region of above-mentioned condensation photovoltaic opto-electronic conversion acceptor circuit plate, starching perhaps with fixed attention with tin cream or heat-conductivity conducting, heat-conductivity conducting glue deposits or applies this battery panel region through screen printing screens or some glue mode;
D) condensation photovoltaic battery aligning is positioned in the cell area of the condensation photovoltaic opto-electronic conversion acceptor circuit plate that has coating material; And adopt stoving process that coating material is solidified, reach the seamless bonding of photovoltaic cell and circuit board.
Advantage of the present invention and good effect are: 1. each layer of circuit base material combines dexterously, but realized that entire circuit plate heatproof reaches 120 ℃, and the protective circuit plate is not oxidized simultaneously; The photovoltaic cell sheet is more accurately located in the design of 2 circuit substrates, guarantees to receive fully the sunray of party, thereby reaches the raising generated output, reduces cost of electricity-generating.
Description of drawings
Fig. 1 is for strengthening the method vertical view of condensation photovoltaic battery sheet effective area positioning accuracy
Fig. 2 is for strengthening the method side view of condensation photovoltaic battery sheet effective area positioning accuracy
Wherein: 1, circuit substrate, 2, concentration photovoltaic solar can battery sheet, 3, position baseline, 4, etching tank, 5, positive polar region, 6, the negative pole district, 7, the battery in place datum line, 1a, gold layer, 1b, nickel dam, 1c, copper layer, 1d ceramic material layer.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
A kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy; Shown in Fig. 1 ~ 2; Be equipped with on the circuit substrate 1 concentration photovoltaic solar can battery section 2, position baseline 3 and battery in place datum line 7, circuit substrate 1 groove 4 that is corroded is divided into positive polar region 5 and negative pole district 6.
Each layer of ceramic circuit board material 1a, 1b, 1c; Combine cleverly between the 1d; Can the protective circuit plate not oxidized, help the no seam welding that firm binding and the concentration photovoltaic solar of gold thread or aluminum steel can the battery sheet, but realize that simultaneously entire circuit plate heatproof reaches 120 ℃.
Etching multiple tracks etching tank 4 on copper-clad base plate, the width of etching tank 4 is 0.5 ~ 5mm; Maximize the area of positive polar region 5 as far as possible, be convenient to improve the heat transfer property of system.
In order to guarantee to receive the sunray that converges to fully, in the same size with the photovoltaic cell plate shape that the welding region 2 that welds the photovoltaic cell sheet designs in shape, its error is in 0.1mm.
Employing silk screen printing or some glue mode are with tin cream or heat-conductivity conducting coagulates slurry or heat-conductivity conducting glue is coated on condensation photovoltaic battery sheet 2 zones; Be as the criterion with battery sheet position baseline 7; The position baseline 3 of another opposite side of battery is as the criterion, and condensation photovoltaic battery sheet is fixed in the photovoltaic cell panel region 2.
Structure of the present invention and method are simple, and not only the protective circuit plate is not oxidized, and the design of circuit substrate more accurately locatees the photovoltaic cell sheet, guarantee to receive fully the sunray of party, thereby reach the raising generated output, reduce cost of electricity-generating.
Claims (7)
1. method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy is characterized in that having following process and step:
A) will be positioned at etching multiple tracks etching tank on the copper-clad base plate above the condensation photovoltaic opto-electronic conversion acceptor circuit plate, the method for etching etching tank is following: (1) is at first cleaned copper-clad base plate; (2) on Copper Foil, coat photoresist; (3) copper-clad base plate is placed mask aligner, paint the plate aligning with the light that has straight line and broken line etch pattern and carry out photoetching; (4) after the copper-clad base plate after will making public developed, bath dried, and post bake is handled then; (5) place the etching machine to carry out dry method or wet etching copper-clad base plate; (6) then with the processing of removing photoresist of the copper-clad base plate after the etching;
B) be divided on the two-part Copper Foil at the above-mentioned copper-clad base plate groove that is corroded, be taken up in order of priority to apply nickel dam and gold layer, just formed condensation photovoltaic opto-electronic conversion acceptor circuit plate;
C) in the condensation photovoltaic battery panel region of above-mentioned condensation photovoltaic opto-electronic conversion acceptor circuit plate, starching perhaps with fixed attention with tin cream or heat-conductivity conducting, heat-conductivity conducting glue deposits or applies this battery panel region through screen printing screens or some glue mode;
D) condensation photovoltaic battery aligning is positioned in the cell area of the condensation photovoltaic opto-electronic conversion acceptor circuit plate that has coating material; And adopt stoving process that coating material is solidified, reach the seamless bonding of photovoltaic cell and circuit board.
2. the method for the limited area positioning accuracy of a kind of condensation photovoltaic battery sheet according to claim 1 is characterized in that, it comprise a kind of together or the etching process of many channel groove.
3. a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy according to claim 1 is characterized in that, said circuit substrate is a kind of in ceramic circuit board and the aluminium base.
4. a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy according to claim 1 is characterized in that, saidly covers the oxidation that nickel dam not only can prevent Copper Foil, and can also improve more firm that copper layer and gold layer combine.
5. a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy according to claim 1 is characterized in that, said coating tin cream or heat-conductivity conducting coagulate slurry or the heat-conductivity conducting gluing method is silk screen printing or dispensing method.
6. a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy according to claim 1 is characterized in that, is applying tin cream or heat-conductivity conducting slurry or the accurate contraposition of heat-conductivity conducting glue employing datum line with fixed attention.
7. a kind of method that strengthens condensation photovoltaic battery sheet effective area positioning accuracy according to claim 1; It is characterized in that; Said coating tin cream or heat-conductivity conducting coagulate slurry or heat-conductivity conducting glue and have minimum thermal resistance, fabulous heat conduction and conductivity, and thickness is evenly and in 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100992169A CN102623566A (en) | 2012-04-07 | 2012-04-07 | Method for enhancing active area positioning accuracy of concentrating photovoltaic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100992169A CN102623566A (en) | 2012-04-07 | 2012-04-07 | Method for enhancing active area positioning accuracy of concentrating photovoltaic cell |
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| Publication Number | Publication Date |
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| CN102623566A true CN102623566A (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100992169A Pending CN102623566A (en) | 2012-04-07 | 2012-04-07 | Method for enhancing active area positioning accuracy of concentrating photovoltaic cell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633170A (en) * | 2013-11-05 | 2014-03-12 | 成都聚合科技有限公司 | Special efficient concentrating photovoltaic photoelectric conversion receiver with protection function |
| CN103781288A (en) * | 2014-02-11 | 2014-05-07 | 苏州众显电子科技有限公司 | Method for improving positioning accuracy of outer frame of concentrating photovoltaic cell |
| CN103779446A (en) * | 2014-02-11 | 2014-05-07 | 苏州众显电子科技有限公司 | Method for improving positioning accuracy of active area of concentrating photovoltaic cell |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201829511U (en) * | 2010-09-15 | 2011-05-11 | 天津蓝天太阳科技有限公司 | Solar cell unit |
-
2012
- 2012-04-07 CN CN2012100992169A patent/CN102623566A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201829511U (en) * | 2010-09-15 | 2011-05-11 | 天津蓝天太阳科技有限公司 | Solar cell unit |
Non-Patent Citations (1)
| Title |
|---|
| MIKE POWERS,JIANBIAO PAN ETC.: "Effect of Gold Content on the Microstructural Evolution of SAC305 Solder Joints Under Isothermal Aging", 《JOURNAL FO ELECTRONIC MATERIALS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633170A (en) * | 2013-11-05 | 2014-03-12 | 成都聚合科技有限公司 | Special efficient concentrating photovoltaic photoelectric conversion receiver with protection function |
| CN103781288A (en) * | 2014-02-11 | 2014-05-07 | 苏州众显电子科技有限公司 | Method for improving positioning accuracy of outer frame of concentrating photovoltaic cell |
| CN103779446A (en) * | 2014-02-11 | 2014-05-07 | 苏州众显电子科技有限公司 | Method for improving positioning accuracy of active area of concentrating photovoltaic cell |
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Application publication date: 20120801 |