CN111860705A - Detection method and system for solar cell - Google Patents
Detection method and system for solar cell Download PDFInfo
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- CN111860705A CN111860705A CN201910352109.4A CN201910352109A CN111860705A CN 111860705 A CN111860705 A CN 111860705A CN 201910352109 A CN201910352109 A CN 201910352109A CN 111860705 A CN111860705 A CN 111860705A
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- 238000001514 detection method Methods 0.000 title claims abstract description 61
- 238000012360 testing method Methods 0.000 claims abstract description 54
- 238000011179 visual inspection Methods 0.000 claims abstract description 44
- 230000000007 visual effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 208000019300 CLIPPERS Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
- B41J3/445—Printers integrated in other types of apparatus, e.g. printers integrated in cameras
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/25—Integrating or interfacing systems involving database management systems
Abstract
The application relates to a detection method and a system of a solar cell, comprising the following steps: scanning the ID data of each solar cell and uploading the ID data to a database; carrying out visual inspection on the solar cell to obtain visual inspection data, and uploading the visual inspection data to a database; carrying out electrical parameter test on the solar cell to obtain electrical parameter test data, and uploading the electrical parameter test data to a database; and distinguishing the solar cells according to the ID data, the visual inspection data and the electrical parameter test data stored in the database. According to the detection method of the solar cell, the detection of the solar cell can be continuously and efficiently completed, unqualified products can be selected, manual interference is avoided in the detection, and the accuracy is improved.
Description
Technical Field
The invention relates to the technical field of solar energy, in particular to a detection method and a detection system for a solar cell.
Background
The solar cell is formed by a plurality of cells, wherein PICI (product Integrated cell interconnect) equipment cuts a stainless steel cell roll into cell pieces with fixed length, and then the cell pieces are connected in series into components with different lengths. In the process of integrating the solar cells, because whether each cell can normally work directly affects the photoelectric conversion rate of the whole cell, each cell needs to be detected, for example, the detection of surface coating defects, the detection of open-circuit voltage, open-circuit current and the like, and the cells which are detected to be unqualified cannot be used.
In the prior art, when detecting a solar cell, a plurality of detection devices are often required to be used to manually detect each performance of the solar cell, so that the detection efficiency is not high, the influence of various factors is easily caused in the detection process, and the detection precision is not high.
Disclosure of Invention
The embodiment of the application provides a detection device and a detection method for a solar cell, which are used for solving the problems that in the prior art, a plurality of detection devices are needed to be used for carrying out independent detection on each performance of the solar cell, so that the detection efficiency is not high and the detection precision is not high.
The embodiment of the application provides the following specific technical scheme:
in a first aspect, the present application provides a method for detecting a solar cell, including:
scanning the ID data of each solar cell and uploading the ID data to a database;
carrying out visual inspection on the solar cell to obtain visual inspection data, and uploading the visual inspection data to a database;
carrying out electrical parameter test on the solar cell to obtain electrical parameter test data, and uploading the electrical parameter test data to a database;
and distinguishing the solar cells according to the ID data, the visual inspection data and the electrical parameter test data stored in the database.
In another aspect, the present application provides a detection system for a solar cell, including:
the scanning module is suitable for scanning the ID data of each solar cell and uploading the ID data to a database;
the visual detection module is suitable for carrying out visual detection on the solar cell to obtain visual detection data and uploading the visual detection data to a database;
the electrical parameter testing module is suitable for testing electrical parameters of the solar cell to obtain electrical parameter testing data and uploading the electrical parameter testing data to a database;
and the distinguishing module is suitable for distinguishing the solar cell according to the ID data, the visual detection data and the electrical parameter test data stored in the database.
According to the detection method and system of the solar cell, the ID data of each solar cell are scanned, the solar cells are detected to obtain visual detection data and electrical property test data, and the various data are uploaded to the database, so that the visual detection and electrical property parameter detection of the solar cells can be continuously completed, the solar cells are distinguished according to the various data stored in the database, unqualified products are selected, the whole operation process is continuous and efficient, no manual interference is caused in detection, and the detection precision is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a schematic flow chart illustrating a method for detecting a solar cell according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a method for detecting a solar cell according to another embodiment of the present disclosure;
fig. 3 is a schematic block diagram of a solar cell inspection system according to another embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Fig. 1 shows a schematic flow chart of a detection method of a solar cell provided in an embodiment of the present application. As shown in fig. 1, the method includes: steps S101 to S106.
Specifically, step S101: and scanning the ID data of each solar cell and uploading the ID data to a database.
In this step, scanning the ID data of each solar cell can be completed by a code scanner, and the ID data is uploaded to a database for standby. The ID data of each solar cell can be identified by spraying a two-dimensional code or other codes on each solar cell.
Step S102: and carrying out visual inspection on the solar cell to obtain visual inspection data, and uploading the visual inspection data to a database.
In this step, a visual inspection machine or other visual inspection device may be used to visually inspect the solar cell to obtain visual inspection data. The visual inspection data may include: defects on the surface of the coating of the solar cell, the size of the solar cell, and the like. In order to distinguish the solar cells in the subsequent steps, the visual inspection data can be uploaded to the database in the step.
Step S103: and carrying out electrical parameter test on the solar cell to obtain electrical parameter test data, and uploading the electrical parameter test data to a database.
In this step, the electrical parameter tester may be used to test various performance parameters of the solar cell, for example, electrical performance parameter data such as open-circuit voltage and open-circuit current of the solar cell may be tested, so as to determine the quality of the solar cell according to the electrical performance parameter data.
Step S104: and distinguishing the solar cells according to the ID data, the visual inspection data and the electrical parameter test data stored in the database.
Specifically, unqualified solar cells can be grabbed to a waste bucket, and qualified solar cells are conveyed to a required position. When unqualified solar cells are grabbed to the waste barrel, the unqualified solar cells can also be grabbed to the first waste barrel according to the visual detection data; and grabbing the unqualified solar cell to a second waste material barrel according to the electrical parameter test data.
According to the solar cell detection method provided by the embodiment, the ID data of each solar cell is scanned, the solar cells are subjected to visual detection to obtain visual detection data and electrical property test data, and the various data are uploaded to the database, so that the visual detection and electrical property parameter detection of the solar cells can be continuously completed, the solar cells are distinguished according to the various data stored in the database to select unqualified products, the whole operation process is continuous and efficient, the detection is free of manual interference, and the detection precision is improved.
Fig. 2 shows a schematic flow chart of a detection method of a solar cell provided in an embodiment of the present application. As shown in fig. 2, the method includes: steps S201 to S207.
Specifically, step S201: and carrying out code spraying treatment on the solar cell.
Specifically, after the battery roll passes through the uncoiling device, code spraying treatment is carried out on the solar battery pieces, two-dimensional codes can be sprayed on the solar battery pieces at fixed intervals through a fixed code spraying device, each two-dimensional code can carry ID data of each solar battery piece, code spraying treatment is carried out on the solar battery pieces, therefore, each solar battery piece is marked, and each solar battery piece can be identified through identifying the two-dimensional codes in subsequent steps.
Step S202: and cutting the solar cell after the code spraying treatment.
In this step, can accomplish through the clipper, this clipper can be pneumatic cut-off knife, and this pneumatic cut-off knife can divide into upper slitter and lower sword, and in the in-process of cutting, can keep the lower sword stationary, drives the motion of upper sword through the cylinder to accomplish the shearing action. In this step, the solar cell may be cut into a cell having a predetermined area, for example, a solar cell having an area of 211.5mm × 58 mm.
Step S203: and scanning the ID data of each solar cell and uploading the ID data to a database.
In this step, the ID data of each solar cell can be scanned by a scanner and uploaded to a database for later use.
Step S204: and carrying out visual inspection on the solar cell to obtain visual inspection data, and uploading the visual inspection data to a database.
In this step, a visual inspection machine or other visual inspection device may be used to visually inspect the solar cell to obtain visual inspection data. The visual inspection data may include: defects on the surface of the coating of the solar cell, the size of the solar cell, and the like. In order to distinguish the solar cells in the subsequent steps, the visual inspection data can be uploaded to the database in the step.
Step S205: and carrying out laser scribing treatment on the solar cell.
In this step, the solar cell sheet may be laser scribed using a laser scriber. In particular, the method can be used for a battery pieceThe method comprises the following steps of carrying out laser scribing at a designated position, sequentially scribing five U-shaped patterns on the coating surface of a battery piece, wherein the distances between 5U's are the same, the distances between 2U's on the outermost side of the battery piece and the edge of the battery piece are the same, so that a scribing region is electrically isolated from the coating region of the battery piece, scribing a region isolated from the coating layer by carrying out laser scribing on the coating surface of the battery piece, and the area of the isolated region is 24-36 mm 2Left and right.
Step S206: and carrying out electrical parameter test on the solar cell to obtain electrical parameter test data, and uploading the electrical parameter test data to a database.
In this step, the electrical parameter tester may be used to test various performance parameters of the solar cell, for example, electrical performance parameter data such as open-circuit voltage, short-circuit current, etc. of the solar cell may be tested, so as to determine the quality of the solar cell according to the electrical performance parameter data. Preferably, the electrical property parameter tester may be preferably a VOC tester, and is used for detecting whether the open-circuit voltage of the solar cell meets the requirement, and may be monitored by measuring the voltage average value of the voltage. After the electrical parameter test data is measured, the electrical parameter test data can be uploaded to a database for later use.
Step S207: and distinguishing the solar cells according to the ID data, the visual inspection data and the electrical parameter test data stored in the database.
When the step is implemented, the standard visual inspection data and the standard electrical parameter test data can be stored in the database in advance. After the visual inspection data and the electrical parameter test data of each cell are acquired, the acquired visual inspection data and the electrical parameter test data of each cell can be compared with the standard visual inspection data and the standard electrical parameter test data, if the phase difference value reaches a preset threshold value, the solar cell can be judged to be an unqualified solar cell, and if the phase difference value is smaller than the preset threshold value, the solar cell can be judged to be an unqualified solar cell.
And after the solar cell is distinguished, recording the ID data of the solar cell, so that the unqualified solar cell is grabbed to a waste bucket according to the recorded ID data, and the qualified solar cell is conveyed to a required position through a conveying device. In the conveying process, an adsorption device can be arranged on the conveying device, the conveying device adsorbs the battery piece to the belt through the magnetic adsorption effect and conveys the battery piece to a required position, the conveying device is provided with the magnetic adsorption device, the position of the adsorption device is wrapped by the belt, when the adsorption device descends to be close to the position of the solar battery piece, the battery piece is adsorbed to the adsorption device under the magnetic action, the adsorption device returns to the initial position, and at the moment, the belt moves to drive the battery piece to move to the set position; the distance between the descending position of the adsorption device and the sucker is less than 0.1 mm.
Specifically, the unqualified solar cell can be subdivided into unqualified solar cells for visual inspection and unqualified solar cells for electrical parameter test according to the measured visual inspection data and electrical parameter test data. After the solar cell is divided into the solar cell with unqualified visual inspection and the solar cell with unqualified electrical parameter test, when the solar cell is conveyed to the position of the conveying device, the solar cell with unqualified visual inspection can be grabbed to the first waste barrel according to the ID data of the solar cell, and the solar cell with unqualified electrical parameter test is grabbed to the second waste barrel, so that the solar cells with unqualified types can be distinguished, and the solar cells can be repaired and processed subsequently.
According to the detection method of the solar cell provided by the embodiment, the solar cell is subjected to code spraying processing and cutting processing, and the ID data of the cell is recorded, so that the solar cell is subjected to visual detection, laser scribing processing, electrical property parameter detection and the like, the detection of various properties of the solar cell can be continuously completed, unqualified solar cells can be selected, the whole detection process is continuous and efficient, manual interference is avoided, and the accuracy is high.
Fig. 3 shows a module schematic diagram of a detection system for solar cells according to another embodiment of the present application. As shown in fig. 3, the system includes a scanning module 301 adapted to scan ID data of each solar cell and upload the ID data to a database; the visual inspection module 302 is suitable for performing visual inspection on the solar cell to obtain visual inspection data, and uploading the visual inspection data to a database; the electrical parameter testing module 303 is adapted to perform electrical parameter testing on the solar cell to obtain electrical parameter testing data, and upload the electrical parameter testing data to a database; the distinguishing module 304 is adapted to distinguish the solar cells according to the ID data, the visual inspection data, and the electrical parameter test data stored in the database.
Further, the system further comprises:
the code spraying module 301 is suitable for spraying codes on the solar cell pieces;
and the cutting module 302 is suitable for cutting the solar cell after the code spraying treatment.
Further, the system further comprises a laser scribing module 305 adapted to: and carrying out laser scribing treatment on the solar cell.
Further, the differentiating module 307 is specifically adapted to:
grabbing unqualified solar cells to a waste bucket;
and conveying the qualified solar cell to a required position.
Further, the differentiating module 307 is specifically adapted to:
grabbing unqualified solar cells to a first waste material barrel according to the visual detection data;
and grabbing the unqualified solar cell to a second waste material barrel according to the electrical parameter test data.
For the functions of the modules, please refer to the specific steps of the method for detecting the solar cell, which are not described herein again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A detection method of a solar cell comprises
Scanning the ID data of each solar cell and uploading the ID data to a database;
carrying out visual inspection on the solar cell to obtain visual inspection data, and uploading the visual inspection data to a database;
carrying out electrical parameter test on the solar cell to obtain electrical parameter test data, and uploading the electrical parameter test data to a database;
and distinguishing the solar cells according to the ID data, the visual inspection data and the electrical parameter test data stored in the database.
2. The method for detecting solar battery pieces according to claim 1, wherein the step of scanning the ID data of each solar battery piece and uploading the ID data to the database further comprises:
Carrying out code spraying treatment on the solar cell;
and cutting the solar cell after the code spraying treatment.
3. The method for detecting the solar cell according to claim 1, wherein the step of visually detecting the solar cell to obtain visual detection data and uploading the visual detection data to the database further comprises: and carrying out laser scribing treatment on the solar cell.
4. The method for detecting the solar cell according to claim 1, wherein the step of distinguishing the solar cell according to the ID data, the visual inspection data and the electrical parameter test data stored in the database specifically comprises:
grabbing unqualified solar cells to a waste bucket;
and conveying the qualified solar cell to a required position.
5. The method for detecting the solar cell slice as claimed in claim 4, wherein the step of grabbing the unqualified solar cell to the waste material barrel specifically comprises the following steps:
grabbing unqualified solar cells to a first waste material barrel according to the visual detection data;
and grabbing the unqualified solar cell to a second waste material barrel according to the electrical parameter test data.
6. A detection system of a solar cell piece comprises:
the scanning module is suitable for scanning the ID data of each solar cell and uploading the ID data to a database;
the visual detection module is suitable for carrying out visual detection on the solar cell to obtain visual detection data and uploading the visual detection data to a database;
the electrical parameter testing module is suitable for testing electrical parameters of the solar cell to obtain electrical parameter testing data and uploading the electrical parameter testing data to a database;
and the distinguishing module is suitable for distinguishing the solar cell according to the ID data, the visual detection data and the electrical parameter test data stored in the database.
7. The detection system of the solar cell piece according to claim 6, further comprising:
the code spraying module is suitable for spraying codes on the solar cell pieces;
and the cutting module is suitable for cutting the solar cell after the code spraying treatment.
8. The inspection system for solar cells of claim 6, wherein the system further comprises a laser scribing module adapted to: and carrying out laser scribing treatment on the solar cell.
9. The method for detecting the solar cell according to claim 6, wherein the distinguishing module is specifically adapted to:
grabbing unqualified solar cells to a waste bucket;
and conveying the qualified solar cell to a required position.
10. The system for detecting solar cells as claimed in claim 9, wherein the distinguishing module is specifically adapted to:
grabbing unqualified solar cells to a first waste material barrel according to the visual detection data;
and grabbing the unqualified solar cell to a second waste material barrel according to the electrical parameter test data.
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| CN201910352109.4A CN111860705A (en) | 2019-04-29 | 2019-04-29 | Detection method and system for solar cell |
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| CN201910352109.4A CN111860705A (en) | 2019-04-29 | 2019-04-29 | Detection method and system for solar cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113538725A (en) * | 2021-07-09 | 2021-10-22 | 深圳市湘凡科技有限公司 | Hardware product testing method and related equipment |
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