CN101950776B - Method for improving productivity and yield of solar battery packs - Google Patents
Method for improving productivity and yield of solar battery packs Download PDFInfo
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- CN101950776B CN101950776B CN201010268185A CN201010268185A CN101950776B CN 101950776 B CN101950776 B CN 101950776B CN 201010268185 A CN201010268185 A CN 201010268185A CN 201010268185 A CN201010268185 A CN 201010268185A CN 101950776 B CN101950776 B CN 101950776B
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- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000007619 statistical method Methods 0.000 claims description 3
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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 method for improving productivity and yield of solar battery packs, comprising the following steps: providing an identification bar code for each battery pack and installing a bar code reading device on each equipment; debugging each equipment to optimize the performance of the equipment; operating each production line in the production line group and determining the performance benchmark P of each equipment and the performance benchmark Q of each production line; judging whether the performance of some pack is reduced by comparing the performance benchmarks Q of the production lines, if not, continuing production, or finding out the equipment with performance reduced in the production line by comparing the performance benchmarks P of the equipment, allowing the pack to be produced which stops in front of the equipment to utilize another production line in the production line group to continue production, and/or isolating the equipment and allowing the pack to be produced which stops in front of the equipment to utilize the same equipment on another production line in the production line group to complete the process and then return to the original production line to continuously undergo the subsequent production process.
Description
Technical field
The present invention relates to photovoltaic solar cell manufacturing technology field, particularly relate to a kind of method that improves solar module productivity ratio and output.
Background technology
Continuous increase along with energy resource consumption; Main source as the energy; The CO2 emission that a large amount of use caused of oil and coal is pollution of ecological environment seriously, and oil and coal resources also face exhausted condition, therefore; Seek low-carbon emission and inexhaustible regenerative resource becomes more and more urgent, and a kind of so just inexhaustible renewable new forms of energy of solar energy.People pay attention to the development and utilization based on the solar cell of photovoltaic effect day by day, and market is to more large tracts of land, the increasing demand lighter and thinner and novel solar battery that production cost is lower increase.In these novel solar batteries, characteristics such as few with the silicon amount with it based on alloy firm (the for example amorphous silicon a-Si:H) solar cell of silicon materials, low-cost and high volume production become a new trend of solar cell development.
Solar energy industry if want can with traditional fossil fuel energy competition, must increase substantially output and reduce production costs.The production concept of pipeline system, promptly solar components moves toward same direction, in the production of Thinfilm solar cell assembly, is used widely to reach the maximum of output.Yet the device height of the every platform independent of pipeline system production requirement is reliable and require the single products production time (producing every product required time) short as far as possible, and the production time is coupling as far as possible.Before the fault of any equipment all can cause the stopping production of whole production line or cause battery to be deposited in the equipment of fault.Generally, the Production Line ability is less than 50MW.The designing to be in all battery modules of this way flow line type all forms via same equipment and series production.Production line upper module power descends or the yield suppression ratio is easier to find related process or the equipment that causes its decline.
For boosting productivity and reducing of the influence of the fault of individual device to the whole production flow process; Several Key Points on each pipeline production line connects tie and forms multi-thread production line (or multiple wing), the obstruction that comes to utilize to greatest extent each separate equipment in this way and avoid causing owing to a certain equipment fault.The output of this cover apparatus for production line of design can arrive 100MW at least.Battery component is not a fixed line on production line, and the route of passing through can have multiple combination.Change if find the module distribute power, how can identify the operation and the relevant device that cause the output or the power of battery to reduce the soonest.Therefore need develop and to be suitable for solar module and to produce method in enormous quantities to boost productivity with output.
Summary of the invention
The object of the present invention is to provide a kind of method that improves solar module productivity ratio and output, can further improve the production efficiency of large-scale production solar module.
For achieving the above object, a kind of method that improves solar module productivity ratio and output provided by the invention comprises:
For each battery component is equipped with the identification bar code and on every equipment, apparatus for reading of bar code is installed;
Every equipment debugged make its performance optimization;
Every production line in the operation product line group is confirmed the performance reference P of every equipment and the performance reference Q of every production line;
Whether the performance of relatively judging certain batch of assembly by production line performance benchmark Q descends, then do not continue to produce if descend, otherwise
By the equipment of relatively finding out decreased performance in this production line of equipment performance benchmark P, the assembly to be produced that order is parked in before this equipment utilizes other production line continuation production in the product line group, and/or
Isolate this equipment, order is parked in assembly to be produced before this equipment and utilizes after the same equipment of an other production line is accomplished this step process in the product line group, returns the original production line and proceeds subsequent production technology.
Optional, the performance optimization standard of said equipment is moved a period of time, equipment running status index parameter and running status after basicly stable according to it and is confirmed.
Optional, the index parameter of said equipment and running status are according to this process requirement of equipment, and be definite with the supervision result through the various parameter monitoring sensor of equipment.
Optional, said production line is after the equipment running status of operation special time, whole production line tends towards stability, and the average output power of the assembly of the specific quantity that this production line has been produced distributes as the performance reference Q of this production line.
Optional, said production line is after every equipment running status of operation special time, whole production line tends towards stability, and the average behavior of the assembly of specific quantity that will be through this equipment is as the performance reference P of this equipment.
Optional, said special time was more than or equal to 24 hours, and said specific quantity is more than or equal to 200.
Optional, said average behavior comprises open circuit voltage, short circuit current, fill factor, curve factor and distribute power.
Optional, said average output power distributes and comprises Gaussian distribution scope or the normal distribution scope of utilizing the assembly average power content that statistical method obtains.
Optional, each step of said method is controlled by computer automatically, comprising operation to each equipment of production line, and for example data acquisition, signal processing, data computation and feedback information etc.
Optional, the performance reference P of said every equipment and the performance reference Q of every production line can adjust according to the ruuning situation of equipment at set intervals.
Description of drawings
Through the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, characteristic and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing in proportion, focus on illustrating purport of the present invention.
Fig. 1 is the technological process of production figure of example for the production with amorphous silicon thin-film solar cell;
Fig. 2 is a wall scroll solar module production line sketch map;
Fig. 3 is the product line group structural representation that many solar module production lines are formed;
Fig. 4 improves the FB(flow block) of the method for solar module productivity ratio and output for the present invention;
Fig. 5 concerns sketch map for the solar module product line group flow process of explanation the inventive method;
Fig. 6 concerns sketch map for another solar module product line group flow process of explanation the inventive method.
Said diagrammatic sketch is illustrative, and nonrestrictive, can not excessively limit protection scope of the present invention at this.
Embodiment
For make above-mentioned purpose of the present invention, feature and advantage can be more obviously understandable, does detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.A lot of details have been set forth in the following description so that make much of the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention does not receive the restriction of following disclosed specific embodiment.
Production with amorphous silicon thin-film solar cell is that example describes method of the present invention below.The production line of amorphous silicon thin-film solar cell mainly comprises following equipment: electro-conductive glass edger unit, electro-conductive glass cleaning equipment, large-scale amorphous silicon membrane PECVD equipment (comprising auxiliary equipment), infrared laser, green laser scoring equipment, large-scale magnetron sputtering production equipment, component testing equipment etc.Its process chart is as shown in Figure 1, comprises nesa coating (SnO2:F-TCO) glass edging cleaning, infrared laser TCO cutting; PECVD amorphous silicon film layer deposition, the cutting of green laser amorphous silicon film layer, magnetron sputtering PVD plating AZO-aluminum back electrode film; The cutting of green laser back electrode, laser edge flash trimming, test-annealing-electrical method reparation; The ultra-sonic welded aluminium foil band that confluxes, back of the body glass grinding out cleans, and encapsulation-mounting terminal box-finished product test sorts.
Fig. 2 is a solar module production line sketch map.As shown in Figure 2, production line production is the effective means of enhancing productivity.Line L comprises equipment 1, equipment 2 ... With equipment n.Production with thin-film solar cells is example, and solar cell substrate is processed the battery component product through equipment 1 after equipment n accomplishes each road processing step.Line L is after every equipment running status of operation a period of time, whole production line tends towards stability, and the average behavior of the assembly of the some that we will be through certain equipment is defined as the performance reference P of this equipment.For example; Suppose that equipment 1 is cleaning equipment; Equipment 2 is that PECVD equipment, equipment 3 are laser scribing equipment for magnetron sputtering apparatus, equipment 4; Certain batch assembly all will be tested it through after certain equipment, and measured index parameter is made even and all obtained the assembly average behavior, and we are defined as this average behavior the performance reference of this equipment.Also be about to through the average behavior of the assembly of equipment 1 performance reference P1 as equipment 1, through the average behavior of the assembly of equipment 2 performance reference P2 as equipment 2, or the like, by that analogy, the performance reference P1 that obtains equipment 1 to equipment n is to Pn.Assembly is through after all devices of this line L by the gross, with the average output power distribution T of this completed assembly performance reference Q as this line L.
The production capacity of wall scroll production line is limited and fixing, in order to enhance production capacities, usually the parallel product line group of forming of many production lines is produced.For example shown in Figure 3 by many solar module line L 1, L2 ... The product line group L that Lm forms.Under many circumstances, be not what isolate between these production lines, but be provided with number of products passage (not shown).Usually every production line all can have one or several fault equipment occurred frequently, in case the device fails of certain bar production line, assembly will forward the relevant device of another production line through said product channels to, to continue to accomplish the performed processing step of this equipment.Every line L 1 of product line group L, L2 ... The equipment performance benchmark of Lm is defined as respectively from P1 to Pn, and the performance reference of production line is defined as from Q1 to Qm respectively.
Fig. 4 improves the FB(flow block) of the method for solar module productivity ratio and output for the present invention.As shown in Figure 4, set up the initial stage at production line, at first be equipped with the identification bar code and apparatus for reading of bar code (S101) is installed on every equipment for each battery component; Every equipment debugged make its performance optimization (S102); Move every production line in the product line group, confirm the performance reference P (S103) of every equipment; Confirm the performance reference Q (S104) of every production line; By the performance of relatively judging certain batch of assembly of production line performance benchmark Q whether descend (S105); Then do not continue to produce (S106) if descend; Otherwise the equipment of relatively finding out decreased performance in this production line (S107) by equipment performance benchmark P; Order is parked in assembly to be produced before this equipment and utilizes that an other production line continues to produce (S108) and/or isolate this equipment in the product line group; Order is parked in assembly to be produced before this equipment and utilizes after the same equipment of an other production line is accomplished this step process in the product line group, returns the original production line and proceeds subsequent production technology (S109).
The performance optimization standard of every equipment confirms according to himself performance parameter and running status, and the performance optimization standard of equipment is moved a period of time, equipment running status index parameter and running status after basicly stable according to it and confirmed.Multiple parameter monitoring transducer is installed in every equipment, the running status of equipment integral is detected and keeps watch on, to confirm its performance parameter and running status.The index parameter of equipment and running status are according to this process requirement of equipment, and be definite with the supervision result through the various parameter monitoring sensor of equipment.Every the production line that brings into operation, behind the operation special time, the preferred time is more than or equal to 24 hours, for example 24～48 hours, the equipment running status of whole production line tended towards stability.The assembly of specific quantity that will be through certain equipment batch is preferably more than or equals 200, and for example the average behavior of 300 assembly is as the performance reference P of this equipment.The average behavior of the assembly through every equipment can be parameters such as open circuit voltage, short circuit current, power output and fill factor, curve factor, these parameters is carried out weighted average obtain average behavior, as the performance reference P of this equipment.
The assembly of certain batch the specific quantity (for example 200～500) that produced this production line this moment; With the average output power distribution T of these assemblies, said average output power distributes and comprises Gaussian distribution scope or the normal distribution scope of utilizing the assembly average power content that statistical method obtains.With the performance reference Q of this average output power distribution T as this production line.
After definite equipment performance benchmark P and production line performance benchmark Q, every batch of assembly is detected, whether descend by comparison determination component performance with the performance reference Q of production line, then continue to produce if descend.If find that deviation or deterioration appear in performance, because the deviation of any reference performance all means the deviation of this processing apparatus performance.Then will be through data analysis, like distribute power, fill factor, curve factor (FF) distributes, and the performance reference P of these assembly properties such as module output voltage and short circuit current and every equipment compares, and finds out the equipment that departs from normal performance accordingly.The deviation of any equipment reference performance means that all this processing apparatus need detect or safeguard.Find out after the equipment of decreased performance in this production line; Being parked in the preceding assembly to be produced of this equipment utilizes an other production line to continue to produce; Equipment 4 like the L1 production line among Fig. 5 breaks down, and then all are parked in the equipment 4 continuation productions that equipment 4 assembly before utilizes the L2 production line.Also can isolate this equipment simultaneously, after order is parked in assembly to be produced before this equipment and utilizes the same equipment of an other production line to accomplish this step process, return this production line and proceed subsequent production technology.Equipment 3 like the L1 production line among Fig. 6 breaks down, and then all are parked in equipment 3 these step process of continuation completion that equipment 3 assembly before utilizes the L2 production line, return the L1 production line afterwards and continue to produce.Above-mentioned two kinds of measures can be used separately also and can take simultaneously.This shows; In case the advantage of the inventive method is the equipment on the production line and aberrations in property or fault occur; Can find this equipment very soon; And utilize other production line to continue to produce, the phenomenon that the product that can not occur causing because of plant issue in the process of production procedure blocks and piles up has greatly improved the production efficiency of multiple production line large-scale production.
Need to prove that method of the present invention not only is applicable to the production of amorphous silicon thin-film solar cell, and be applicable to the production of the solar module of other type.And, so long as, all can adopt method of the present invention with the mode of many production line large-scale production.
Each step of method of the present invention is carried out in real time control automatically by computer; Operational factor comprising to each equipment of production line is carried out on-line real time monitoring; For example real-time data acquisition, signal processing, data computation etc.; And to the real-time feedback of information, so that the ruuning situation of the timely judgment device of operator and correspondingly adjusting.
Need to prove that the performance reference P of every equipment and the performance reference Q of every production line are not changeless, but can adjust at set intervals according to the ruuning situation of equipment.For example, drift can take place in equipment running usually after 1 month, 3 months or half a year every, and this moment, need demarcated the performance reference P of every equipment and the performance reference Q of every production line again, obtained new benchmark.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Any those of ordinary skill in the art are not breaking away under the technical scheme scope situation of the present invention, and all the technology contents of above-mentioned announcement capable of using is made many possible changes and modification to technical scheme of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention, all still belongs in the protection range of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (8)
1. method that improves solar module productivity ratio and output comprises:
For each battery component is equipped with the identification bar code and on every equipment, apparatus for reading of bar code is installed;
Every equipment debugged make its performance optimization;
Every production line in the operation product line group is confirmed the performance reference P of every equipment and the performance reference Q of every production line; Said production line is after the equipment running status of operation special time, whole production line tends towards stability, and the average output power of the assembly of the specific quantity that this production line has been produced distributes as the performance reference Q of this production line; Said production line is after every equipment running status of operation special time, whole production line tends towards stability, and the average behavior of the assembly of specific quantity that will be through this equipment is as the performance reference P of this equipment;
Whether the performance of relatively judging certain batch of assembly by production line performance benchmark Q descends, then do not continue to produce if descend, otherwise
By the equipment of relatively finding out decreased performance in this production line of equipment performance benchmark P, the assembly to be produced that order is parked in before this equipment utilizes other production line continuation production in the product line group, and/or
Isolate this equipment, order is parked in assembly to be produced before this equipment and utilizes after the same equipment of an other production line is accomplished this step process in the product line group, returns the original production line and proceeds subsequent production technology.
2. method according to claim 1 is characterized in that: the performance optimization standard of said equipment is moved a period of time, equipment running status index parameter and running status after basicly stable according to it and is confirmed.
3. method according to claim 2 is characterized in that: the index parameter of said equipment and running status are according to this process requirement of equipment, and be definite with the supervision result through the various parameter monitoring sensor of equipment.
4. method according to claim 1 is characterized in that: said special time was more than or equal to 24 hours, and said specific quantity is more than or equal to 200.
5. method according to claim 1 is characterized in that: said average behavior comprises open circuit voltage, short circuit current, fill factor, curve factor and distribute power.
6. method according to claim 1 is characterized in that: said average output power distributes and comprises Gaussian distribution scope or the normal distribution scope of utilizing the assembly average power content that statistical method obtains.
7. method according to claim 1 is characterized in that: each step of said method is monitored by computer in real time, comprising operation to each equipment of production line, and data acquisition, signal processing, data computation and information real-time feedback.
8. method according to claim 1 is characterized in that: the performance reference P of said every equipment and the performance reference Q of every production line can adjust according to the ruuning situation of equipment at set intervals.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101546186A (en) * | 2008-03-25 | 2009-09-30 | 中芯国际集成电路制造(上海)有限公司 | Processing system and processing method of target output of machine tables |
| CN201425944Y (en) * | 2009-06-22 | 2010-03-17 | 北京京运通科技股份有限公司 | Production line for film photovoltaic cell manufacturing |
| CN201466049U (en) * | 2009-06-22 | 2010-05-12 | 北京京运通科技股份有限公司 | Circulating production line for preparing thin-film photovoltaic batteries |
| CN101814552A (en) * | 2010-02-26 | 2010-08-25 | 中国电子科技集团公司第四十五研究所 | Solar cell station transmission device |
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| US20100047954A1 (en) * | 2007-08-31 | 2010-02-25 | Su Tzay-Fa Jeff | Photovoltaic production line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101546186A (en) * | 2008-03-25 | 2009-09-30 | 中芯国际集成电路制造(上海)有限公司 | Processing system and processing method of target output of machine tables |
| CN201425944Y (en) * | 2009-06-22 | 2010-03-17 | 北京京运通科技股份有限公司 | Production line for film photovoltaic cell manufacturing |
| CN201466049U (en) * | 2009-06-22 | 2010-05-12 | 北京京运通科技股份有限公司 | Circulating production line for preparing thin-film photovoltaic batteries |
| CN101814552A (en) * | 2010-02-26 | 2010-08-25 | 中国电子科技集团公司第四十五研究所 | Solar cell station transmission device |
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