CN115062927A - Automatic splicing method and automatic splicing system for flexible solar cell unit - Google Patents
Automatic splicing method and automatic splicing system for flexible solar cell unit Download PDFInfo
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Abstract
The invention provides an automatic splicing method and an automatic splicing system of a flexible solar cell unit, which comprises the following steps: carrying out unit performance detection on the flexible solar cell unit to obtain performance test parameters and information; sorting and warehousing according to the performance test parameters and the information, and storing in an intelligent library; selecting flexible solar cell units meeting set requirements from the intelligent library according to a plan of flexible solar cells to be assembled; after the flexible solar cell units meeting the set requirements are sequentially selected from the intelligent library, identifying and checking whether the flexible solar cell units meet the set requirements again to finish the assembly of the flexible solar cell; and transferring the assembled flexible solar cell to a subsequent process table after defect detection. The invention has the advantages that the flexible solar cell units can be mechanically and automatically spliced, the manual operation is eliminated, and the quality of the flexible solar cell module product for the new-energy unmanned aerial vehicle is greatly improved.
Description
Technical Field
The invention belongs to the technical field of photovoltaic automation equipment, and particularly relates to an automatic splicing method and an automatic splicing system for a flexible solar cell unit.
Background
In recent years, new energy unmanned aerial vehicles including solar unmanned aerial vehicles, solar aerostats and the like are gradually hot spots for research. In order to meet the structural requirement and the energy supply requirement of the new energy aircraft, the solar cell array simultaneously has the characteristics of high flexibility, light weight, high conversion efficiency and the like, namely the flexible solar cell array becomes the first choice of the new energy aircraft. However, the flexible solar cell unit is used as a basic component unit of a solar cell array of a new energy aircraft, the single-level new energy aircraft solar cell array is formed by splicing at least ten thousand solar cell units, but at present, no relevant equipment and method is introduced at home and abroad to realize automatic splicing of the flexible solar cell unit, so how to realize automatic splicing of the flexible solar cell unit is a technical bottleneck in development of the solar cell array for the new energy unmanned aircraft at present.
Disclosure of Invention
The invention aims to provide an automatic splicing method and an automatic splicing system for a flexible solar cell unit, and solves the problems in the background art.
In order to solve the technical problems, the invention adopts the technical scheme that: an automatic splicing method of a flexible solar cell unit comprises the following steps:
carrying out unit performance detection on the flexible solar cell unit to obtain performance test parameters and information;
sorting and warehousing according to the performance test parameters and the information, and storing in an intelligent library;
selecting flexible solar cell units meeting set requirements from the intelligent library according to a plan of flexible solar cells to be assembled;
after the flexible solar cell units meeting the set requirements are sequentially selected from the intelligent library, identifying and checking whether the flexible solar cell units meet the set requirements again to finish the assembly of the flexible solar cell;
and transferring the assembled flexible solar cell to a subsequent process table after defect detection.
Further, the step of performing unit performance detection on the flexible solar cell unit to obtain performance test parameters and information includes: the grabbing equipment grabs the flexible solar cell unit and places the flexible solar cell unit on an equipment testing platform, information of the flexible solar cell unit is scanned and identified through scanning equipment, and the information is transmitted to an equipment testing system for logic judgment.
Further, the information includes: battery information and appearance information, when the appearance information has defects, the flexible solar battery unit is directly stored in the intelligent library;
and when the appearance information has no defect, detecting the performance test parameters of the flexible solar cell unit through a solar simulator and a solar cell module tester, and transmitting the performance test parameters to the equipment test system.
Further, the step of sorting and warehousing according to the performance test parameters and the information and storing in an intelligent library comprises the following steps:
and after the information and the performance test parameters are transmitted to the equipment test system, the equipment test system transmits the information and the performance test parameters to an industrial personal computer of the intelligent library, and the flexible solar cell units are stored in the intelligent library in a classified manner according to the received information and the performance test parameters.
Further, the performance test parameters include: I-V electrical performance parameters, defect information, and luminescence information;
the intelligent library comprises: an NG library, a qualified product library and an unqualified product library;
and the industrial personal computer stores the flexible solar cell units in the NG library of the intelligent library in a classified manner according to the defective appearance information and the defective battery information.
Further, when the defect information, the luminescence information and/or the I-V electrical property parameters have defects, the industrial personal computer classifies the flexible solar cell units and stores the flexible solar cell units in the unqualified product library of the intelligent library according to the performance test parameters;
when the defect information, the luminescence information and the I-V electrical property parameters have no defects, the industrial personal computer stores the flexible solar cell units in the qualified product library of the intelligent library in a classified manner according to the performance test parameters;
further, the NG library, the qualified product library and the unqualified product library are all provided with electronic tags in which the battery information, the appearance information, the defect information, the luminescence information and the I-V electrical property parameters are stored.
Further, the step of selecting the flexible solar cell unit meeting the set requirement from the intelligent library according to the plan of the flexible solar cell to be assembled is as follows:
inputting the I-V electrical property parameter requirements of the flexible solar cell units to be assembled on an operation panel of the intelligent library, and sending an instruction by the industrial personal computer to automatically select the flexible solar cell units meeting the I-V electrical property parameter requirements.
Further, after the flexible solar battery units meeting the set requirements are sequentially selected from the intelligent library, identifying and checking whether the flexible solar battery units meet the set requirements again, and completing the flexible solar battery assembly:
the grabbing equipment grabs the selected flexible solar cell units, secondarily identifies and checks whether the information and the performance test parameters of the selected flexible solar cell units meet the set requirements or not;
and if the requirements are met, sequentially placing the grabbed flexible solar cell units at corresponding positions of the splicing platform, flattening the flexible solar cell units, positioning a fixing adhesive tape and performing laser welding.
Further, the step of transferring the assembled flexible solar cell to a subsequent process table after defect detection is performed on the assembled flexible solar cell comprises: after welding is finished, detecting the information and the performance test parameters of the spliced solar cell module by using detection equipment; and editing discharging information and transferring to a subsequent process table.
An automatic splicing system of flexible solar cell units, comprising:
the unit performance detection module is used for detecting the unit performance of the flexible solar cell unit and acquiring performance test parameters and information;
the sorting and warehousing module by category is used for sorting and warehousing according to the performance test parameters and the information and storing the parameters and the information in an intelligent library;
the classified intelligent ex-warehouse module is used for selecting flexible solar cell units meeting set requirements from the intelligent warehouse according to a plan of flexible solar cells to be assembled;
the splicing and welding module is used for sequentially selecting the flexible solar cell units meeting the set requirements from the intelligent library, and then identifying and checking whether the flexible solar cell units meet the requirements again to finish the splicing of the flexible solar cell;
and the discharging defect detection module is used for detecting defects of the assembled flexible solar cell and transferring the flexible solar cell to a subsequent process table.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the flexible solar cell module can be mechanically and automatically spliced, manual operation is eliminated, and the quality of the flexible solar cell module product for the new-energy unmanned aerial vehicle is greatly improved.
In the automatic splicing process, the production efficiency of products is greatly improved by setting unit performance detection, sorting and warehousing according to categories, intelligent sorting and ex-warehouse, accurate splicing welding and discharging defect detection in the whole process of automatic production; the quality of the assembled solar cell module is further guaranteed through unit performance detection, meanwhile, the industrial control computer controls intelligent warehousing and ex-warehouse, performance matching errors of manual sorting are reduced, the whole automatic assembling efficiency is improved, the quality of the assembled solar cell module is further guaranteed through defect detection after assembling is completed, and the whole assembling process is efficient and rapid.
Drawings
FIG. 1 is a general operational flow diagram of one embodiment of the present invention;
FIG. 2 is a flow diagram of a segmentation operation in accordance with an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples and figures:
in an embodiment of the present invention, as shown in fig. 1, an automatic splicing method for a flexible solar cell unit includes the steps of:
s1, detecting the unit performance of the flexible solar cell unit to obtain performance test parameters and information, which comprises the following steps:
s11: the grabbing equipment grabs the flexible solar cell unit and places the flexible solar cell unit on the equipment testing platform, information of the flexible solar cell unit is scanned and identified through the scanning equipment, and the information is transmitted to the equipment testing system to be logically judged.
S12: the equipment testing system carries out logic judgment on the information obtained by scanning, and when the information has defects, the flexible solar cell unit is directly stored in the intelligent library;
and when the scanned information has no defects, detecting the performance test parameters of the flexible solar cell unit through the solar simulator and the solar cell module tester, and transmitting the performance test parameters to the equipment test system.
Specifically, in this embodiment, the grabbing device may be, but is not limited to, a manipulator, and any structure capable of realizing grabbing movement may be used; in this embodiment, after flexible solar cell unit supplied materials, place flexible solar cell unit behind equipment test platform through snatching equipment, accessed test system promptly, be provided with vacuum chuck on equipment test platform, because solar cell unit is flexible, through setting up vacuum chuck on equipment test platform, be convenient for fix flexible solar cell unit and with the exhibition of flexible solar cell unit exhibition flat. In the same example, the scanning device may be, but is not limited to, an infrared camera, and any device capable of performing photographing scanning may be used, for example: a CCD camera, etc. Scanning and reading information of the flexible solar cell unit by scanning equipment, wherein the information comprises production batch, cell information and the like, and whether defects such as appearance, size and the like exist or not, so that the defect information is more intuitive, and the defect information such as the appearance, the size and the like corresponding to the flexible solar cell unit is transmitted to a test system; and then the flexible solar cell units with appearance and size defects can be directly stored in the NG warehouse during sorting and warehousing according to the information.
In this embodiment, if the information scanned by the scanning device has defects of appearance and size, the flexible solar cell unit is directly stored in the NG library in the intelligent library, and subsequent tests are not performed by the solar simulator and the solar cell module tester, so that the splicing process of the flexible solar cell unit is saved.
Similarly, the performance test parameters of the flexible solar cell unit detected by the solar simulator and the solar cell module tester are transmitted to the equipment test system, so that the test parameters can be conveniently transmitted to the intelligent library for classification and warehousing.
Specifically, the performance test parameters include: testing the I-V electrical property parameters through a solar simulator, wherein the I-V electrical property parameters comprise: parameters such as open-circuit voltage Voc, short-circuit current Isc, working point voltage Vmax, working point current Imax, filling factor FF, maximum power Pmax, working efficiency Eff, test temperature Te and the like are detected through a solar cell module tester, namely whether the flexible solar cell unit has the problems of crack defects, short circuit, open circuit and the like is detected.
The solar cell module tester is used for testing the luminous information of the flexible solar cell unit, and the flexible solar cell unit is made to emit light by performing electroluminescence or photoluminescence operation on the flexible solar cell unit, wherein the area without displaying luminescence is the area with defects, and then whether the flexible cell unit has defects is judged.
S2, sorting and warehousing according to the performance test parameters and the information, and storing in an intelligent library, wherein the method specifically comprises the following steps:
s21: and after the information and the performance test parameters are transmitted to the equipment test system, the equipment test system transmits the information and the performance test parameters to an industrial personal computer of the intelligent library, and the flexible solar cell units are stored in the intelligent library in a classified mode according to the received information and the performance test parameters.
S22: the intelligent library includes: an NG library, a qualified product library and an unqualified product library; the industrial personal computer stores the flexible solar cell units in an NG library of the intelligent library in a classified manner according to the appearance information and the cell information with defects; the industrial personal computer classifies and stores the flexible solar cell units in the qualified product library and the unqualified product library of the intelligent library according to the test parameters, and the method specifically comprises the following steps:
when the defect information, the luminescence information and/or the I-V electrical performance parameters have defects, the industrial personal computer classifies and stores the flexible solar cell units in a unqualified product library of the intelligent library according to the performance test parameters;
and when the defect information, the luminescence information and the I-V electrical performance parameters have no defects, the industrial personal computer stores the flexible solar cell units in a qualified product library of the intelligent library in a classified manner according to the performance test parameters.
Specifically, the industrial personal computer classifies the flexible solar cell units according to the received information and the test parameters, and in the classification process, firstly, whether serious deviation exists through appearance information or not is judged, and if the serious deviation exists, the industrial personal computer classifies the flexible solar cell units into a storage, for example: if the appearance is incomplete, the flexible solar cell units are placed in an NG (natural gas) storage, and after manual testing and sorting, the flexible solar cell units are processed; grading the flexible solar cell units without appearance defects according to the performance test parameters, enabling the qualified products to enter a qualified product library according to the performance test parameters, and importing effective test data into an industrial personal computer for later sorting and matching; and (4) the tested unqualified products enter an unqualified product library, and unqualified information is imported into the two-dimensional code information of the flexible solar cell unit for manual secondary treatment.
In the above process, unified warehousing can be performed after every full plurality of units are set, and in this embodiment, a buffer area for unified warehousing is set every full 20 units, which is more beneficial to improving the working efficiency.
The intelligent warehouse is provided with 1000-2000 distribution boxes, each distribution box is provided with an electronic tag, and the stored states of the flexible solar cell units and the test parameter information are displayed. In the embodiment of the application, the intelligent library comprises 2000 dispensing boxes, each dispensing box is provided with an electronic tag, the electronic tag is used for storing defect information, luminescence information, appearance information, battery information and information of I-V electrical performance parameters, and displaying the stored state of the flexible solar cell unit; conceivably, the number of the material distributing boxes can be adaptively increased or decreased according to requirements.
S3, selecting the flexible solar cell units meeting the set requirements from the intelligent library according to the plan of the flexible solar cells to be assembled, which comprises the following steps:
the I-V electrical performance parameter requirements of the flexible solar cell units to be assembled are input on an operation panel of the intelligent warehouse, and the industrial personal computer sends an instruction to automatically sort out the flexible solar cell units meeting the I-V electrical performance parameter requirements according to the electronic tag information on the material distribution box. The method comprises the steps that through inputting the set ranges of a plurality of parameters, flexible solar cell units in proper set ranges are found in a qualified product library in an intelligent library and then taken out in sequence; wherein the plurality of parameters may be, but is not limited to: the number range setting, the voltage range setting, the total current and range setting or other limiting condition setting of the flexible solar cell units are selected based on the flexible solar cell module to be assembled.
S4, after sequentially selecting the flexible solar cell units meeting the set requirements from the intelligent library, identifying and checking whether the flexible solar cell units meet the set requirements again to finish the assembly of the flexible solar cell, which specifically comprises the following steps:
s41: the grabbing equipment grabs the sorted flexible solar cell units, secondarily identifies and checks whether the information and the performance test parameters of the sorted flexible solar cell units meet the set requirements, for example: parameter information such as size, serial number, I-V electrical property parameters and the like;
s42: and if the requirements are met, sequentially placing the grabbed flexible solar cell units at corresponding positions of the splicing platform, flattening the flexible solar cell units, positioning a fixing adhesive tape and performing laser welding.
The grabbing equipment adopts the same equipment as the unit performance detection process, is composed of at least 30 silica gel suckers capable of independently controlling the vacuum switch and the air volume, can adjust the vacuum switch and the air volume according to the number, the weight and the flexibility of the single solar cells of the flexible solar cell unit to realize nondestructive transfer, and can carry the flexible solar cell unit. The grabbing equipment in the embodiment is composed of 30 silica gel suckers capable of independently controlling the vacuum switch and the air quantity, and the quantity of the suckers can be adaptively increased or decreased according to requirements or the weight, the size and the like of the flexible solar cell unit.
When the picked flexible solar cell units are subjected to secondary identification and verification, a unit performance detection method is also adopted for secondary verification, a plurality of flexible solar cell units are randomly selected from a selected batch of flexible solar cell units meeting the set range for unit performance detection, the flexible solar cell units are compared with the information in the electronic tag and the set range, and the flexible solar cell units are taken out of the warehouse if the information meets the requirements; and if the requirements are not met, performing alarm processing.
Specifically, the roughness of the splicing platform is not more than 0.32mm, and each square centimeter is provided with not less than 8 vacuum suction holes with the diameter of 0.5mm, so that the flexible solar cell unit can be attached to the splicing platform at a non-interval; the effective size of the splicing platform is not less than 3000mm multiplied by 1800mm, the splicing gap of the platform is not more than 0.2mm, and high-precision splicing of not less than 30 flexible solar cell units can be realized simultaneously; in the embodiment, the roughness of the equipment splicing platform is 0.32mm, 8 vacuum suction holes with the diameter of 0.5mm are arranged on each square centimeter, and the flexible solar cell unit can be flattened and attached to the splicing platform in a gapless manner; the effective size of the splicing platform is 3000mm multiplied by 1800mm, the splicing gap of the platform is 0.2mm, and the nondestructive flattening and high-precision splicing of 30 flexible solar battery units can be realized simultaneously.
Specifically, after the flexible solar cell unit is flattened, the flexible solar cell unit is fixedly positioned through an adhesive tape, and the flexible solar cell unit is reasonably arranged and configured in one-to-one correspondence with the electronic tags of the material distribution boxes in the intelligent library through the plan arrangement of the flexible solar cell components to be assembled; meanwhile, the flexible solar cell is welded by laser, wherein the welding temperature of a laser welder is adjustable, and the distance between a welding spot area and the cell is more than 3 mm; meanwhile, a thermal imager is arranged in the welding area to record and track the temperature field of the flexible solar cell unit near the welding area in the whole process, the heating welding is immediately stopped when the instantaneous temperature is higher than 150 ℃, the alarm processing is carried out, and the solar cell is prevented from being damaged due to overheating of local temperature.
S5, transferring the assembled flexible solar cell to a subsequent process table after defect detection, which specifically comprises the following steps: after welding is finished, the equipment detects information and performance test parameters of the spliced solar cell module; and editing discharging information and transferring to a subsequent process table.
Specifically, the defect detection of the spliced flexible solar cell is also completed through the scanning device and the solar simulator for unit performance detection in the step S1 and the solar cell module tester, and the cell information, the appearance information, the defect information, the I-V electrical performance parameters, the luminescence information and the like of the spliced flexible solar cell are not repeated, whether secondary damage is caused after a series of operations on the flexible solar cell is determined, the discharging information is edited through the industrial personal computer of the intelligent library, and the spliced flexible solar cell is transferred to a subsequent process flow.
The embodiment of the invention also discloses an automatic splicing system of the flexible solar cell unit, which specifically comprises the following steps:
the unit performance detection module is used for detecting the unit performance of the flexible solar cell unit and acquiring performance test parameters and information;
the sorting and warehousing module by category is used for sorting and warehousing according to the performance test parameters and the information and storing the parameters and the information in an intelligent library;
the classified intelligent ex-warehouse module is used for selecting flexible solar cell units meeting set requirements from the intelligent warehouse according to a plan of flexible solar cells to be assembled;
the splicing and welding module is used for sequentially selecting the flexible solar cell units meeting the set requirements from the intelligent library, and then identifying and checking whether the flexible solar cell units meet the requirements again to finish flexible solar cell splicing;
and the discharging defect detection module is used for transferring the assembled flexible solar cell to a subsequent process table after defect detection.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. An automatic splicing method of flexible solar battery units is characterized by comprising the following steps:
carrying out unit performance detection on the flexible solar cell unit to obtain performance test parameters and information;
sorting and warehousing according to the performance test parameters and the information, and storing in an intelligent library;
selecting flexible solar cell units meeting set requirements from the intelligent library according to a plan of flexible solar cells to be assembled;
after the flexible solar cell units meeting the set requirements are sequentially selected from the intelligent library, identifying and checking whether the flexible solar cell units meet the set requirements again to finish the assembly of the flexible solar cell;
and transferring the assembled flexible solar cell to a subsequent process table after defect detection.
2. The automatic splicing method of the flexible solar cell unit according to claim 1, characterized in that: the steps of detecting the unit performance of the flexible solar cell unit and acquiring performance test parameters and information comprise: the grabbing equipment grabs the flexible solar cell unit and places the flexible solar cell unit on an equipment testing platform, information of the flexible solar cell unit is scanned and identified through scanning equipment, and the information is transmitted to an equipment testing system for logic judgment.
3. The automatic splicing method of the flexible solar cell unit according to claim 2, characterized in that: the information includes: battery information and appearance information, when the appearance information has defects, the flexible solar battery unit is directly stored in the intelligent library;
and when the appearance information has no defect, detecting the performance test parameters of the flexible solar cell unit through a solar simulator and a solar cell module tester, and transmitting the performance test parameters to the equipment test system.
4. The automatic splicing method of the flexible solar cell unit according to claim 3, characterized in that: the steps of sorting and warehousing according to the performance test parameters and the information and storing in an intelligent library are as follows:
and after the information and the performance test parameters are transmitted to the equipment test system, the equipment test system transmits the information and the performance test parameters to an industrial personal computer of the intelligent library, and the flexible solar cell units are stored in the intelligent library in a classified manner according to the received information and the performance test parameters.
5. The automatic splicing method of the flexible solar cell unit according to claim 4, characterized in that: the performance test parameters include: I-V electrical performance parameters, defect information, and luminescence information;
the intelligent library comprises: an NG library, a qualified product library and an unqualified product library;
and the industrial personal computer stores the flexible solar cell units in the NG library of the intelligent library in a classified manner according to the defective appearance information and the defective battery information.
6. The automatic splicing method of the flexible solar cell unit according to claim 5, wherein: when the defect information, the luminescence information and/or the I-V electrical property parameters have defects, the industrial personal computer stores the flexible solar cell units in the unqualified product library of the intelligent library in a classified manner according to the performance test parameters;
when the defect information, the luminescence information and the I-V electrical property parameters have no defects, the industrial personal computer stores the flexible solar cell units in the qualified product library of the intelligent library in a classified manner according to the performance test parameters;
preferably, the NG library, the qualified product library and the unqualified product library are all provided with electronic tags storing the battery information, the appearance information, the defect information, the luminescence information and the I-V electrical property parameters.
7. The automatic splicing method of the flexible solar cell unit according to claim 5 or 6, characterized in that: the method for selecting the flexible solar cell units meeting the set requirements from the intelligent library according to the plan of the flexible solar cells to be assembled comprises the following steps:
inputting the I-V electrical property parameter requirements of the flexible solar cell units to be assembled on an operation panel of the intelligent library, and sending an instruction by the industrial personal computer to automatically select the flexible solar cell units meeting the I-V electrical property parameter requirements.
8. The automatic splicing method of the flexible solar cell unit according to claim 7, wherein: after the flexible solar cell units meeting the set requirements are sequentially selected from the intelligent library, identifying and checking whether the flexible solar cell units meet the set requirements again, wherein the flexible solar cell assembly is completed by the following steps:
the grabbing equipment grabs the selected flexible solar cell units, secondarily identifies and checks whether the information and the performance test parameters of the selected flexible solar cell units meet the set requirements or not;
and if the requirements are met, sequentially placing the grabbed flexible solar cell units at corresponding positions of the splicing platform, flattening the flexible solar cell units, positioning a fixing adhesive tape and performing laser welding.
9. The method of claim 8, wherein the method comprises: the step of transferring the assembled flexible solar cell to a subsequent process table after defect detection is carried out on the assembled flexible solar cell comprises the following steps: after welding is finished, detecting the information and the performance test parameters of the spliced solar cell module by using detection equipment; and editing discharging information and transferring to a subsequent process table.
10. An automatic splicing system of flexible solar cells, comprising:
the unit performance detection module is used for detecting the unit performance of the flexible solar cell unit and acquiring performance test parameters and information;
the sorting and warehousing module by category is used for sorting and warehousing according to the performance test parameters and the information and storing the parameters and the information in an intelligent library;
the classified intelligent ex-warehouse module is used for selecting flexible solar cell units meeting set requirements from the intelligent warehouse according to a plan of flexible solar cells to be assembled;
the splicing and welding module is used for sequentially selecting the flexible solar cell units meeting the set requirements from the intelligent library, and then identifying and checking whether the flexible solar cell units meet the requirements again to finish the splicing of the flexible solar cell;
and the discharging defect detection module is used for transferring the spliced flexible solar cell to a subsequent process table after defect detection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210606320.6A CN115062927A (en) | 2022-05-31 | 2022-05-31 | Automatic splicing method and automatic splicing system for flexible solar cell unit |
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| CN202210606320.6A CN115062927A (en) | 2022-05-31 | 2022-05-31 | Automatic splicing method and automatic splicing system for flexible solar cell unit |
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