Online test system based on digital large model

Abstract

The invention relates to the technical field of photovoltaic module testing, in particular to an online testing system based on a digital large model. Comprising a first assembly line end, a standard plate cabinet end, a second assembly line end, an IV tester end, a third assembly line end, a fourth assembly line end, a three-dimensional lifting assembly line end, an assembly line PLC end and an MES end. An automatic calibration process or an automatic back-testing process is carried out by utilizing rich time, and calibration and back-testing are implemented by combining big data and data communication and utilizing a production line blockage gap, so that the state of a production line is better monitored, the downtime wasted by different techniques of calibration personnel is reduced, unmanned monitoring in the whole process is realized, carbon chain tracing can be matched, and the production line quality is improved. And the relevant information is bound to the required platform, so that the downtime of the equipment is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic component testing, and in particular to an online testing system based on a digital large model. Background Art

[0002] IV testing is based on the photovoltaic effect or the electrical characteristics of electronic devices. It evaluates the electrical performance of the object under test by measuring the current and voltage changes under different conditions. In photovoltaic module testing, IV testing can draw the current-voltage (IV) curve of the photovoltaic module, which can reflect the performance of the module under different light intensities.

[0003] However, the existing technology produces photovoltaic modules based on regular inspections of the machines. The techniques and proficiency of the personnel performing each calibration will affect the production line rhythm and output, and each calibration will take from several minutes to more than ten minutes, which will have a certain impact on the production line's output capacity. Summary of the invention

[0004] The purpose of the present invention is to provide an online testing system based on a digital large model, aiming to solve the technical problem in the prior art that the existing technology is based on the inspection of the machine and regular calibration to produce photovoltaic modules. The techniques and proficiency of the personnel in each calibration will affect the production line rhythm and output, and each calibration will take several minutes to more than ten minutes, which has a certain impact on the production line capacity output.

[0005] To achieve the above-mentioned purpose, the present invention adopts an online test system based on a digital large model, including a first assembly line end, a standard plate cabinet end, a second assembly line end, an IV tester end, a third assembly line end and a fourth assembly line end, the standard plate cabinet and the IV tester end are connected to a three-dimensional lifting assembly line end, the IV tester end is connected to an assembly line PLC end, the three-dimensional lifting assembly line end and the IV tester end are connected to an MES end, and the MES end is connected to the assembly line PLC end, the first assembly line end is connected to the standard plate cabinet end, the standard plate cabinet end is connected to the second assembly line, the second assembly line end is connected to the IV tester end, the IV tester end is connected to the third assembly line end, and the third assembly line end is connected to the fourth assembly line end;

[0006] The first assembly line is used to receive the product to be tested and transfer it to the standard board cabinet end;

[0007] The label cabinet end is used to identify and store products, and at the same time transmit the products to the second assembly line end;

[0008] The second assembly line end is used to transfer the product to the IV tester end;

[0009] The IV tester end is used to test the product and then send the test data to the MES end and the assembly line PLC end;

[0010] The MES terminal is used to record and save the test data, and manually set the interval time of two hours or four hours;

[0011] The PLC end of the assembly line is used to perform time-redundant logic operations based on the product beats and operation data of the front and back lines to determine whether there is a material blockage. When a material blockage is detected, the surplus time is used to perform an automatic calibration process or an automatic backtest process;

[0012] The third assembly line end is used to transfer the product after the automatic calibration process to the fourth assembly line end;

[0013] The fourth assembly line end is used to discharge the product;

[0014] The three-dimensional lifting assembly line end is used to cyclically transmit the products of the automatic back-testing process to the standard plate cabinet end.

[0015] Wherein, the target plate cabinet end includes a target plate storage unit and a target plate transmission unit, and the target plate storage unit and the target plate transmission unit are both connected to the first assembly line end;

[0016] The label storage unit is used to store products;

[0017] The label conveying unit is used to convey the product from the label storage unit to the second assembly line end.

[0018] Wherein, the target plate cabinet end further includes a target plate identification unit, and the target plate identification unit is connected to the first assembly line end;

[0019] The target plate recognition unit is used to recognize and locate the product to be tested.

[0020] Wherein, the MES end includes a data collection unit, a data storage unit and a data processing unit, and the data collection unit, the data storage unit and the data processing unit are all connected between the three-dimensional lifting and lowering pipeline end and the IV tester end;

[0021] The data collection unit is used to collect data from the assembly line PLC end and the IV tester end in real time;

[0022] The data storage unit is used to store a large amount of production data;

[0023] The data processing unit is used to process and analyze the collected data to provide support for production decisions.

[0024] Wherein, the MES end further includes a first communication unit, and the first communication unit is connected between the three-dimensional lifting and lowering assembly line end and the IV tester end;

[0025] The first communication unit is used to cooperate with the assembly line PLC end and the IV tester end to exchange data to achieve real-time update and synchronization of data.

[0026] Wherein, the pipeline PLC end includes a data calculation unit and a logic control unit, and the data calculation unit and the logic control unit are both connected to the IV tester end;

[0027] The data calculation unit is used to calculate whether the assembly line is congested and whether the test machine has sufficient time for automatic calibration or backtesting according to the beat and operation data of the front-end and back-end products;

[0028] The logic control unit is used to control the start, stop, acceleration and deceleration operations of the assembly line.

[0029] Wherein, the pipeline PLC end further includes a second communication unit, and the second communication unit is connected to the IV tester end;

[0030] The second communication unit is used to cooperate with the MES end and the IV tester end to exchange data to achieve real-time update and synchronization of data.

[0031] The present invention discloses an online testing system based on a digital large model, comprising a first assembly line end, a standard plate cabinet end, a second assembly line end, an IV tester end, a third assembly line end and a fourth assembly line end, wherein the standard plate cabinet and the IV tester end are connected to a three-dimensional lifting assembly line end, the IV tester end is connected to an assembly line PLC end, the three-dimensional lifting assembly line end and the IV tester end are connected to an MES end, and the MES end is connected to the assembly line PLC end, the first assembly line end is connected to the standard plate cabinet end, the standard plate cabinet end is connected to the second assembly line, the second assembly line end is connected to the IV tester end, the IV tester end is connected to the third assembly line end, the third assembly line end is connected to the fourth assembly line end, and the design is realized through the assembly line PLC end Based on the rhythm of front-end and back-end products and operation data, time-redundant logical operations are performed to determine whether there is a blockage. When a blockage is detected, the surplus time is used for automatic calibration or automatic backtesting. Combined with big data and data communication, calibration and backtesting are carried out by utilizing the gaps between production line blockages to better monitor the status of the production line, thereby reducing downtime wasted due to different calibration techniques, achieving unmanned monitoring of the entire process, and cooperating with carbon chain traceability to bind relevant information to the required platform. This effectively solves the problem that the existing technology is based on the inspection of the machine and regular calibration before producing photovoltaic modules. The techniques and proficiency of the personnel in each calibration will affect the rhythm and output of the production line, and each calibration will take from several minutes to more than ten minutes, which has a certain impact on the output of the production line capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a schematic diagram of the principle of the online testing system based on the digital large model of the present invention.

[0034] Figure 2 It is a schematic diagram of the principle of an IV tester end in an online test system based on a digital large model of the present invention.

[0035] Figure 3 It is a schematic diagram of the principle of a control module in an online test system based on a digital large model of the present invention.

[0036] 1-first assembly line end, 2-standard plate cabinet end, 3-second assembly line end, 4-IV tester end, 5-third assembly line end, 6-fourth assembly line end, 7-three-dimensional lifting assembly line end, 8-assembly line PLC end, 9-MES end, 10-standard plate storage unit, 11-standard plate transmission unit, 12-standard plate identification unit, 13-data collection unit, 14-data storage unit, 15-data processing unit, 16-first communication unit, 17-data calculation unit, 18-logic control unit, 19-second communication unit, 20-control module, 21-test unit, 22-calibration unit, 23-third communication unit, 24-processor unit, 25-memory unit, 26-algorithm unit. DETAILED DESCRIPTION

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0038] See also Figure 1 to Figure 3 The present invention provides an online test system based on a digital large model, including a first assembly line end 1, a standard plate cabinet end 2, a second assembly line end 3, an IV tester end 4, a third assembly line end 5 and a fourth assembly line end 6, the standard plate cabinet and the IV tester end 4 are connected to a three-dimensional lifting assembly line end 7, the IV tester end 4 is connected to an assembly line PLC end 8, the three-dimensional lifting assembly line end and the IV tester end 4 are connected to an MES end 9, and the MES end 9 is connected to the assembly line PLC end 8, the first assembly line end 1 is connected to the standard plate cabinet end 2, the standard plate cabinet end 2 is connected to the second assembly line, the second assembly line end 3 is connected to the IV tester end 4, the IV tester end 4 is connected to the third assembly line end 5, and the third assembly line end 5 is connected to the fourth assembly line end 6;

[0039] The first assembly line is used to receive the product to be tested and transfer it to the standard board cabinet end 2;

[0040] The label cabinet end 2 is used to identify and store products, and at the same time transmit the products to the second assembly line end 3;

[0041] The second pipeline end 3 is used to transfer the product to the IV tester end 4;

[0042] The IV tester terminal 4 is used to test the product and then send the test data to the MES terminal 9 and the assembly line PLC terminal 8;

[0043] The MES terminal 9 is used to record and save the test data, and manually set the interval time of two hours or four hours;

[0044] The PLC terminal 8 of the assembly line is used to perform time-redundant logic operations based on the product beats and operation data of the front and back channels to determine whether there is a material blockage. When a material blockage is detected, the surplus time is used to perform an automatic calibration process or an automatic backtest process;

[0045] The third assembly line end 5 is used to transfer the product after the automatic calibration process to the fourth assembly line end 6;

[0046] The fourth assembly line end 6 is used to discharge the product;

[0047] The three-dimensional lifting assembly line end 7 is used to cyclically transmit the products of the automatic back-testing process to the standard plate cabinet end 2.

[0048] In this embodiment, the first assembly line is used to receive the product to be tested and transmit it to the standard cabinet end 2; the standard cabinet end 2 is used to identify and store the product, and transmit the product to the second assembly line end 3; the second assembly line end 3 is used to transmit the product to the IV tester end 4; the IV tester end 4 is used to test the product, and then send the test data to the MES end 9 and the assembly line PLC end 8; the MES end 9 is used to record and save the test data, and manually set the interval time of two hours or four hours; the assembly line PLC end 8 is used to perform time redundant logical operations based on the rhythm of the front and back products and the operating data to determine whether there is a blockage. When a blockage is detected, the surplus time is used to perform an automatic calibration process or an automatic backtest process; the third assembly line end 5 is used to transmit the product after the automatic calibration process to the fourth assembly line end 6; the fourth assembly line end 6 is used to flow out the product; the three-dimensional lifting assembly line end 7 is used to cyclically transmit the product of the automatic backtest process to the standard cabinet end 2.

[0049] Furthermore, the target board cabinet end 2 includes a target board storage unit 10 and a target board conveying unit 11, and both the target board storage unit 10 and the target board conveying unit 11 are connected to the first assembly line end 1;

[0050] The label storage unit 10 is used to store products;

[0051] The label conveying unit 11 is used to convey the product from the label storage unit 10 to the second assembly line end 3 .

[0052] In this embodiment, the label storage unit 10 is used to store products; the label transfer unit 11 is used to transfer products from the label storage unit 10 to the second assembly line end 3 .

[0053] Furthermore, the target plate cabinet end 2 further includes a target plate identification unit 12, and the target plate identification unit 12 is connected to the first assembly line end 1;

[0054] The target plate recognition unit 12 is used to recognize and locate the product to be tested.

[0055] In this embodiment, the target plate recognition unit 12 is used to recognize and locate the product to be tested.

[0056] Further, the MES end 9 includes a data collection unit 13, a data storage unit 14 and a data processing unit 15, and the data collection unit 13, the data storage unit 14 and the data processing unit 15 are all connected between the three-dimensional lifting and lowering pipeline end 7 and the IV tester end 4;

[0057] The data collection unit 13 is used to collect data from the assembly line PLC terminal 8 and the IV tester terminal 4 in real time;

[0058] The data storage unit 14 is used to store a large amount of production data;

[0059] The data processing unit 15 is used to process and analyze the collected data to provide support for production decisions.

[0060] In this embodiment, the data collection unit 13 is used to collect data from the assembly line PLC end 8 and the IV tester end 4 in real time; the data storage unit 14 is used to store a large amount of production data; and the data processing unit 15 is used to process and analyze the collected data to provide support for production decisions.

[0061] Further, the MES end 9 further includes a first communication unit 16, and the first communication unit 16 is connected between the three-dimensional lifting and lowering pipeline end 7 and the IV tester end 4;

[0062] The first communication unit 16 is used to cooperate with the assembly line PLC terminal 8 and the IV tester terminal 4 to exchange data and realize real-time updating and synchronization of data.

[0063] In this embodiment, the first communication unit 16 is used to cooperate with the assembly line PLC terminal 8 and the IV tester terminal 4 to exchange data, thereby achieving real-time update and synchronization of data.

[0064] Further, the pipeline PLC terminal 8 includes a data calculation unit 17 and a logic control unit 18, and both the data calculation unit 17 and the logic control unit 18 are connected to the IV tester terminal 4;

[0065] The data calculation unit 17 is used to calculate whether the assembly line is congested and whether the test machine has sufficient time to perform automatic calibration or backtesting according to the product beats and operation data of the front-end and back-end products;

[0066] The logic control unit 18 is used to control the start, stop, acceleration and deceleration operations of the assembly line.

[0067] In this embodiment, the data calculation unit 17 is used to calculate whether the assembly line is congested and whether the test machine has sufficient time for automatic calibration or backtesting based on the front-end and back-end product rhythm and operation data; the logic control unit 18 is used to control the start, stop, acceleration and deceleration operations of the assembly line.

[0068] Further, the pipeline PLC terminal 8 also includes a second communication unit 19, and the second communication unit 19 is connected to the IV tester terminal 4;

[0069] The second communication unit 19 is used to cooperate with the MES terminal 9 and the IV tester terminal 4 to exchange data and realize real-time update and synchronization of data.

[0070] In this embodiment, the second communication unit 19 is used to cooperate with the MES terminal 9 and the IV tester terminal 4 to exchange data, thereby achieving real-time update and synchronization of data.

[0071] Further, the IV tester end 4 includes a control module 20 , a test unit 21 and a calibration unit 22 , and the control module 20 , the test unit 21 and the calibration unit 22 are all connected to the second pipeline end 3 .

[0072] The control module 20 is responsible for coordinating the various parts of the IV tester to ensure the orderly progress of the test process;

[0073] The test unit 21 is responsible for performing a current-voltage (IV) test on the product to be tested to obtain its electrical performance parameters;

[0074] The calibration unit 22 is used to perform calibration according to the provided data to ensure the accuracy of the test results.

[0075] In this embodiment, the control module 20 is responsible for coordinating the various parts of the IV tester to ensure the orderly progress of the test process; the test unit 21 is responsible for performing current-voltage (IV) testing on the product to be tested to obtain its electrical performance parameters; the calibration unit 22 is used to perform calibration according to the provided data to ensure the accuracy of the test results.

[0076] Further, the IV tester end 4 further includes a third communication unit 23, and the third communication unit 23 is connected to the second pipeline end 3;

[0077] The third communication unit 23 is used to cooperate with the assembly line PLC terminal 8 and the MES terminal 9 to exchange data and realize real-time updating and synchronization of data.

[0078] In this embodiment, the third communication unit 23 is used to cooperate with the assembly line PLC end 8 and the MES end 9 to exchange data, thereby achieving real-time update and synchronization of data.

[0079] Further, the control module 20 includes a processor unit 24, a memory unit 25 and an algorithm unit 26, and the processor unit 24, the memory unit 25 and the algorithm unit 26 are all connected to the second pipeline terminal 3;

[0080] The processor unit 24 is used to filter, amplify and sample the test data to ensure the accuracy and stability of the signal and provide a reliable basis for subsequent control algorithm operations;

[0081] The algorithm unit 26 is used to compare, calculate and make decisions on the test data to determine the corresponding control strategy and execution action;

[0082] The memory unit 25 is used to store the processed data.

[0083] In this embodiment, the processor unit 24 is used to filter, amplify and sample the test data to ensure the accuracy and stability of the signal and provide a reliable basis for subsequent control algorithm operations; the algorithm unit 26 is used to compare, calculate and make decisions on the test data to determine the corresponding control strategy and execution action; the memory unit 25 is used to save the processed data.

[0084] In the present invention, the MES terminal 9 communicates with the assembly line PLC terminal 8 to obtain corresponding data in real time. The standard plate data is manually entered into the MES terminal 9 in advance. In the early stage, AI and data learning are used to learn the blockage of the production line and the accuracy of the calibration parameters through the set time. In the later stage, a fully automatic unmanned testing state is realized to achieve the technical indicator content.

[0085] In the present invention, the three-dimensional lifting assembly line end 7 cooperates with the standard plate cabinet end 2 to form an assembly line with a "mouth" shape to enable the standard plate to flow back and forth in the production line. The electrical control part realizes front and back data communication, MES data communication, time redundancy calculation, and automatic call of set parameters through program logic writing to achieve uninterrupted standard plate in the assembly line. This design can implement data based on the production line, through AI and data learning and other skills to self-judge the calibration results and promptly remind relevant equipment, quality, and process departments to track and compare the input and output of CTM.

[0086] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. An online testing system based on a digital large model, characterized in that: It includes a first assembly line end, a standard plate cabinet end, a second assembly line end, an IV tester end, a third assembly line end and a fourth assembly line end, the standard plate cabinet and the IV tester end are connected to a three-dimensional lifting assembly line end, the IV tester end is connected to an assembly line PLC end, the three-dimensional lifting assembly line end and the IV tester end are connected to an MES end, and the MES end is connected to the assembly line PLC end, the first assembly line end is connected to the standard plate cabinet end, the standard plate cabinet end is connected to the second assembly line, the second assembly line end is connected to the IV tester end, the IV tester end is connected to the third assembly line end, and the third assembly line end is connected to the fourth assembly line end; The first assembly line is used to receive the product to be tested and transfer it to the standard board cabinet end; The label cabinet end is used to identify and store products, and at the same time transmit the products to the second assembly line end; The second assembly line end is used to transfer the product to the IV tester end; The IV tester end is used to test the product and then send the test data to the MES end and the assembly line PLC end; The MES terminal is used to record and save the test data, and manually set the interval time of two hours or four hours; The PLC end of the assembly line is used to perform time-redundant logic operations based on the product beats and operation data of the front and back lines to determine whether there is a material blockage. When a material blockage is detected, the surplus time is used to perform an automatic calibration process or an automatic backtest process; The third assembly line end is used to transfer the product after the automatic calibration process to the fourth assembly line end; The fourth assembly line end is used to discharge the product; The three-dimensional lifting assembly line end is used to cyclically transmit the products of the automatic back-testing process to the standard plate cabinet end.

2. The online testing system based on a digital large model as claimed in claim 1, characterized in that: The target plate cabinet end includes a target plate storage unit and a target plate transmission unit, and the target plate storage unit and the target plate transmission unit are both connected to the first assembly line end; The label storage unit is used to store products; The label conveying unit is used to convey the product from the label storage unit to the second assembly line end.

3. The online testing system based on the digital large model as claimed in claim 2, characterized in that: The target plate cabinet end further includes a target plate identification unit, and the target plate identification unit is connected to the first assembly line end; The target plate recognition unit is used to recognize and locate the product to be tested.

4. The online testing system based on a digital large model as claimed in claim 3, characterized in that: The MES end includes a data collection unit, a data storage unit and a data processing unit, and the data collection unit, the data storage unit and the data processing unit are all connected between the three-dimensional lifting and lowering pipeline end and the IV tester end; The data collection unit is used to collect data from the assembly line PLC end and the IV tester end in real time; The data storage unit is used to store a large amount of production data; The data processing unit is used to process and analyze the collected data to provide support for production decisions.

5. The online testing system based on the digital large model as claimed in claim 4 is characterized in that: The MES end further includes a first communication unit, which is connected between the three-dimensional lifting and lowering assembly line end and the IV tester end; The first communication unit is used to cooperate with the assembly line PLC end and the IV tester end to exchange data to achieve real-time update and synchronization of data.

6. The online testing system based on a digital large model as claimed in claim 5, characterized in that: The pipeline PLC end includes a data calculation unit and a logic control unit, and the data calculation unit and the logic control unit are both connected to the IV tester end; The data calculation unit is used to calculate whether the assembly line is congested and whether the test machine has sufficient time for automatic calibration or backtesting according to the beat and operation data of the front-end and back-end products; The logic control unit is used to control the start, stop, acceleration and deceleration operations of the assembly line.

7. The online testing system based on a digital large model as claimed in claim 6, characterized in that: The pipeline PLC end also includes a second communication unit, and the second communication unit is connected to the IV tester end; The second communication unit is used to cooperate with the MES end and the IV tester end to exchange data to achieve real-time update and synchronization of data.

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