US-12622086-B2 - Tracing method and transport device for solar cells

Abstract

The tracing method according to the present disclosure includes: coding solar cells disposed in a loading frame according to a frame code of a loading frame, such that each respective solar cell has a respective cell code; obtaining respective process information of the respective solar cell according to a loading order, where the process information includes a code of a process carrier, a code of a workbench and a position code of a solar cell in the process carrier; uploading cell codes and process information of the solar cells to a computer system; and recording and associating, by the computer system, the respective cell code and the respective process information.

Inventors

• Zongfang LI
• Junli Wu
• Jingsheng Jin
• Xinyu Zhang
• Wenqi Li

Assignees

• ZHEJIANG JINKO SOLAR CO., LTD.
• Jinko Solar Co., Ltd.

Dates

Publication Date

20260505

Application Date

20230505

Priority Date

20221129

Claims (20)

1. 1 . A method for tracing solar cells, comprising: coding solar cells disposed in a loading frame according to a frame code of the loading frame, such that each respective solar cell has a respective cell code; obtaining respective process information of the respective solar cell according to a loading order in which the solar cells are transferred from the loading frame to a transport and grouping apparatus, wherein the respective process information includes a code of a process carrier configured to carry the solar cells, a code of a workbench configured to process the solar cells and a position code of the respective solar cell in the process carrier; uploading cell codes and process information of the solar cells to a computer system; and recording, by the computer system, the cell codes and the process information of the solar cells, and associating, by the computer system, the respective cell code with the respective process information.
2. 2 . The method according to claim 1 , wherein coding the solar cells disposed in the loading frame according to the frame code of the loading frame, includes: determining a cell code set for the solar cells according to the frame code of the loading frame, wherein the cell code set includes a plurality of cell codes; assigning a respective cell code in the cell code set to the respective solar cell according to the loading order; and caching the cell codes of the solar cells.
3. 3 . The method according to claim 2 , wherein determining the cell code set for the solar cells according to the frame code of the loading frame, includes: uploading the frame code of the loading frame to the computer system; determining, by the computer system, a maximum capacity of the loading frame according to the frame code of the loading frame; generating, by the computer system, the cell code set, wherein a number of the cell codes in the cell code set corresponds to the maximum capacity; and receiving the cell code set transmitted by the computer system.
4. 4 . The method according to claim 2 , wherein caching the cell codes of the solar cells, includes: receiving triggering information and cut-off information of a first sensor and triggering information and cut-off information of a second sensor, wherein the first sensor is disposed at an end of a transferring line configured for transferring the solar cells from the loading frame to the transport and grouping apparatus, and the second sensor is disposed at an inlet of the transport and grouping apparatus; and during transfer of the respective solar cell from the loading frame to the transport and grouping apparatus, in response to the triggering information of the first sensor being received prior to the triggering information of the second sensor and the cut-off information of the first sensor being received prior to the cut-off information of the second sensor, caching a cell code of the respective solar cell.
5. 5 . The method according to claim 1 , after coding the solar cells disposed in the loading frame according to the frame code of the loading frame, further including: receiving an output signal of a third sensor configured to monitor a respective state of each solar cell of the solar cells; determining a target solar cell according to the output signal, wherein the target solar cell refers to a damaged solar cell; and deleting a cell code corresponding to the target solar cell.
6. 6 . The method according to claim 1 , wherein the solar cells are transferred from the transport and grouping apparatus to the process carrier by a mechanical arm, and uploading the cell codes and process information of the solar cells to the computer system, includes: acquiring position information of the mechanical arm, to determine whether the mechanical arm returns to an initial position; and in response to determining that the solar cells are transferred to the process carrier and the mechanical arm returns to the initial position, uploading the cell codes and process information of the solar cells to the computer system.
7. 7 . The method according to claim 6 , wherein each solar cell of the solar cells further has a process code configured to indicate information of respective preceding processes performed on the respective solar cell, after uploading the cell codes and process information of the solar cells to the computer system, the method further includes: determining the respective cell code of each solar cell according to an unloading order in which the solar cells are transferred from the process carrier to the transport and grouping apparatus; acquiring a respective process code of the respective solar cell; and associating the respective cell code with the respective process code of the respective solar cell.
8. 8 . The method according to claim 7 , wherein determining the respective cell code of each solar cell according to the unloading order in which the solar cells are transferred from the process carrier to the transport and grouping apparatus, includes: sending a request to the computer system for the cell codes of the solar cells, wherein the request includes the code of the process carrier and the code of the workbench; receiving a collection of the cell codes sent by the computer system in response to the request; and determining the respective cell code of each solar cell of the collection of the cell codes according to the unloading order.
9. 9 . The method according to claim 7 , after associating the respective cell code with the respective process code of the respective solar cell, further including: acquiring a frame code of an unloading frame configured to receive the solar cells unloaded from the transport and grouping apparatus; uploading the cell codes and process codes of the solar cells and the frame code of the unloading frame to the computer system; and recording, by the computer system, the cell codes and the process codes of the solar cells and the frame code of the unloading frame, and associating, by the computer system, the frame code of the unloading frame with the cell codes and the process codes of the solar cells.
10. 10 . The method according to claim 8 , after sending the request to the computer system for the cell codes of the solar cells, the method includes: in response to receiving the request, retrieving, by the computer system, in the process information according to codes of the process carrier and the workbench carried in the request, to determine solar cells whose process information includes codes of the process carrier and the workbench identical to those carried in the request; determining, by the computer system, the unloading order of the solar cells according to position codes of the solar cells in the process carrier; sorting, by the computer system, the cell codes of the solar cells according to the unloading order to generate the collection of the cell codes; and sending, by the computer system, the collection of the cell codes in response to the request.
11. 11 . A non-transitory computer readable storage medium storing a program that, when executed on at least one processor, causes the at least one processor to perform operations to carry out a method for tracing solar cells, wherein the method comprises: coding solar cells disposed in a loading frame according to a frame code of a loading frame, such that the respective solar cell has a respective cell code; obtaining respective process information of the respective solar cell according to a loading order in which the solar cells are transferred from the loading frame to a transport and grouping apparatus, wherein the respective process information includes a code of a process carrier configured to carry the solar cells, a code of a workbench configured to process the solar cells and a position code of the respective solar cell in the process carrier; receiving cell codes and process information of the solar cells sent to the software system; and recording, by the software system, the cell codes and the process information of the solar cells, and associating, by the software system, the respective cell code with the respective process information.
12. 12 . The non-transitory computer readable storage medium according to claim 11 , wherein coding the solar cells disposed in the loading frame according to the frame code of the loading frame includes: determining a cell code set for the solar cells according to the frame code of the loading frame, wherein the cell code set includes a plurality of cell codes; assigning a respective cell code in the cell code set to the respective solar cell according to the loading order; and caching the cell codes of the solar cells.
13. 13 . The non-transitory computer readable storage medium according to claim 12 , wherein determining the cell code set for the solar cells according to the frame code of the loading frame includes: receiving the frame code of the loading frame sent to the computer system; determining, by the computer system, a maximum capacity of the loading frame according to the frame code of the loading frame; generating, by the computer system, the cell code set, wherein a number of the cell codes in the cell code set corresponds to the maximum capacity; and receiving the cell code set transmitted by the computer system.
14. 14 . The non-transitory computer readable storage medium according to claim 12 , wherein caching the cell codes of the solar cells includes: receiving triggering information and cut-off information of a first sensor and triggering information and cut-off information of a second sensor, wherein the first sensor is disposed at an end of a transferring line configured for transferring the solar cells from the loading frame to the transport and grouping apparatus, and the second sensor is disposed at an inlet of the transport and grouping apparatus; and during transfer of the respective solar cell from the loading frame to the transport and grouping apparatus, in response to the triggering information of the first sensor being received prior to the triggering information of the second sensor and the cut-off information of the first sensor being received prior to the cut-off information of the second sensor, caching a cell code of the respective solar cell.
15. 15 . The non-transitory computer readable storage medium according to claim 11 , after coding each solar cell of the solar cells according to the frame code of the loading frame, the method further comprises: receiving an output signal of a third sensor configured to monitor a respective state of each solar cell of the solar cells; determining a target solar cell according to the output signal, wherein the target solar cell refers to a damaged solar cell; and deleting a cell code corresponding to the target solar cell.
16. 16 . The non-transitory computer readable storage medium according to claim 11 , wherein the solar cells are transferred from the transport and grouping apparatus to the process carrier by a mechanical arm, and receiving the cell codes and process information of the solar cells sent to the computer system includes: acquiring position information of the mechanical arm, to determine whether the mechanical arm returns to an initial position; and in response to determining that the solar cells are transferred to the process carrier and the mechanical arm returns to the initial position, receiving the cell codes and process information of the solar cells sent to the computer system.
17. 17 . The non-transitory computer readable storage medium according to claim 16 , wherein each solar cell of the solar cells further has a process code configured to indicate information of respective preceding processes performed on the respective solar cell, after receiving the cell codes and process information of the solar cells sent to the computer system, the method further comprises: determining the respective cell code of each solar cell according to an unloading order in which the solar cells are transferred from the process carrier to the transport and grouping apparatus; acquiring a respective process code of the respective solar cell; and associating the respective cell code with the respective process code of the respective solar cell.
18. 18 . The non-transitory computer readable storage medium according to claim 17 , wherein determining the respective cell code of each solar cell according to the unloading order in which the solar cells are transferred from the process carrier to the transport and grouping apparatus includes: sending a request to the computer system for the cell codes of the solar cells, wherein the request includes the code of the process carrier and the code of the workbench; receiving a collection of the cell codes sent by the computer system in response to the request; and determining the respective cell code of each solar cell of the collection of the cell codes according to the unloading order.
19. 19 . The non-transitory computer readable storage medium according to claim 17 , after associating the respective cell code with the respective process code of the respective solar cell, the method further comprises: acquiring a frame code of an unloading frame configured to receive the solar cells unloaded from the transport and grouping apparatus; receiving the cell codes and process codes of the solar cells and the frame code of the unloading frame sent to the computer system; and recording, by the computer system, the cell codes and the process codes of the solar cells and the frame code of the unloading frame, and associating, by the computer system, the frame code of the unloading frame with the cell codes and the process codes of the solar cells.
20. 20 . The non-transitory computer readable storage medium according to claim 18 , after sending the request to the computer system for the cell codes of the solar cells, the method further comprises: in response to receiving the request, retrieving, by the computer system, in the process information according to codes of the process carrier and the workbench carried in the request, to determine solar cells whose process information includes codes of the process carrier and the workbench identical to those carried in the request; determining, by the computer system, the unloading order of the solar cells according to position codes of the solar cells in the process carrier; sorting, by the computer system, the cell codes of the solar cells according to the unloading order to generate the collection of the cell codes; and sending, by the computer system, the collection of the cell codes in response to the request.

Description

CROSS REFERENCE TO RELATED APPLICATIONS The present application claims the benefit of priority under the Paris Convention to Chinese Patent Application No. 202211515798.4 filed on Nov. 29, 2022, which is incorporated herein by reference in its entirety. TECHNICAL FIELD Embodiments of the present disclosure relate to the field of solar cells technology, and in particular to a tracing method and a transport device for solar cells. BACKGROUND Fossil energy causes air pollution and has limited reserves, while solar energy has the advantages of clean, pollution-free and rich resources. Thus, solar energy is gradually becoming the core clean energy to replace fossil energy. Because solar cells have good photoelectric conversion efficiency, solar cells have become the focus of development of clean energy. An important factor affecting the proportion of solar energy in energy utilization is the photoelectric conversion efficiency of solar cells. In order to improve the photoelectric conversion efficiency of solar cells, a general idea of improving the performance of solar cells is to optimize and improve the manufacturing process and structural design of solar cells according to the performance of different solar cells in use, such as light absorption capacity, service life, failure rate and the like. The production process of solar cells includes multiple processes. During the transport of solar cells among multiple processes, problems such as loss of process information of solar cells and confused record of process information are likely to occur, thereby resulting in poor record of the process information. SUMMARY Embodiments of the present disclosure provide a method and a transport device for tracing solar cells, which are at least conducive to accurate record of the process information of solar cells, so as to facilitate the traceability of the process information at the solar cell level. Some embodiments of the present disclosure provide a method for tracing solar cells, including: coding solar cells disposed in a loading frame according to a frame code of the loading frame, such that each respective solar cell has a respective cell code; obtaining respective process information of the respective solar cell, according to a loading order in which the solar cells are transferred from the loading frame to a transport and grouping apparatus, where the respective process information includes a code of a process carrier configured to carry the solar cells, a code of a workbench configured to process the solar cells and a position code of the respective solar cell in the process carrier; uploading cell codes and process information of the solar cells to a computer system; and recording, by the computer system, the cell codes and the process information of the solar cells, and associating, by the computer system, the respective cell code with the respective process information. In some embodiments, coding the solar cells disposed in the loading frame according to the frame code of the loading frame, includes: determining a cell code set for the solar cells according to the frame code of the loading frame, where the cell code set includes a plurality of cell codes; assigning a respective cell code in the cell code set to the respective solar cell according to the loading order; and caching the cell codes of the solar cells. In some embodiments, determining the cell code set for the solar cells according to the frame code of the loading frame, includes: uploading the frame code of the loading frame to the computer system; determining, by the computer system, a maximum capacity of the loading frame according to the frame code of the loading frame; generating, by the computer system, the cell code set, where a number of the cell codes in the cell code set corresponds to the maximum capacity; and receiving the cell code set transmitted by the computer system. In some embodiments, caching the cell codes of the solar cells, includes: receiving triggering information and cut-off information of a first sensor and triggering information and cut-off information of a second sensor, where the first sensor is disposed at an end of a transferring line configured for transferring the solar cells from the loading frame to the transport and grouping apparatus, and the second sensor is disposed at an inlet of the transport and grouping apparatus; and during transfer of the respective solar cell from the loading frame to the transport and grouping apparatus, in response to the triggering information of the first sensor being received prior to the triggering information of the second sensor and the cut-off information of the first sensor being received prior to the cut-off information of the second sensor, caching a cell code of the respective solar cell. In some embodiments, after coding the solar cells disposed in the loading frame according to the frame code of the loading frame, the method further includes: receiving an output signa