CN108043738B - Full-automatic intelligent photovoltaic cell detection and sorting equipment - Google Patents
Full-automatic intelligent photovoltaic cell detection and sorting equipment Download PDFInfo
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- CN108043738B CN108043738B CN201711337807.4A CN201711337807A CN108043738B CN 108043738 B CN108043738 B CN 108043738B CN 201711337807 A CN201711337807 A CN 201711337807A CN 108043738 B CN108043738 B CN 108043738B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
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Abstract
The invention discloses full-automatic intelligent photovoltaic cell detection and sorting equipment. The invention comprises a master control board, a master control board connecting arm, a tri-color lamp, an upper machine body, a wheel type supporting structure, a lower machine body, a power supply and communication bus system, an automatic feeding mechanism, an intelligent automatic material position detection mechanism, an automatic material position correction and transmission mechanism, an automatic material sorting mechanism and an intelligent I-V characteristic curve testing system. The invention adopts a plurality of groups of automatic systems, and realizes automatic procedures of automatic feeding, automatic transmission, automatic position detection, automatic position correction, automatic light source simulation, automatic I-V test, automatic grade sorting and the like of the photovoltaic cells.
Description
Technical Field
The invention belongs to the field of electromechanical automation, and particularly relates to full-automatic intelligent photovoltaic cell detection and sorting equipment which is used for improving the detection efficiency of a photovoltaic cell characteristic curve, realizing the sorting of photovoltaic cells according to detection grades and realizing the automation of a photovoltaic detection and sorting system.
Background
Solar renewable energy is gradually replacing conventional energy, and becomes one of clean energy for protecting the ecological environment of the earth. The solar cell is an important component of the photovoltaic power generation system, has close relation with the working efficiency and the power generation capacity of the system, and can increase the utilization rate of solar energy by improving the energy conversion efficiency of the solar cell. Because some factors in practical application can influence the characteristics of the solar cells, the characteristics or performances of the battery units are inconsistent or not similar, so that unnecessary energy waste can be caused, and even the phenomenon of reducing the service life of the battery can occur. Therefore, when the photovoltaic cell array is configured, the characteristics of the photovoltaic cell array need to be tested, and the cell array meeting the requirements is selected, so that the working efficiency of the photovoltaic power generation system is improved.
The photovoltaic characteristic testing system for the photovoltaic device of the solar cell belongs to a photoelectric testing device, and can solve the problems that the existing testing system must adopt a manual operation mode to set irradiance values, and irradiance value measurement and sample cell testing processes cannot be performed simultaneously.
Based on the research of the characteristic analysis and detection methods of the photovoltaic cells, the portable characteristic tester based on the low-power consumption singlechip is designed for the existing market products, and the characteristics of the photovoltaic cells are measured and analyzed, so that scientific data are provided for the assembly of various photovoltaic cells. However, such simple devices cannot be matched with the production of large-scale photovoltaic cells and are only suitable for sampling detection.
The equipment assembly of the full-automatic intelligent photovoltaic cell detection and sorting system is disclosed, a basic working principle is described, and the photovoltaic cell detection and sorting system can be produced in a large-scale manner to carry out detection and sorting matching, so that the intellectualization and automation of the photovoltaic detection and sorting system are realized.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides full-automatic intelligent photovoltaic cell detection and sorting equipment which is used for improving the detection efficiency of a photovoltaic cell characteristic curve, and can realize detection and sorting matching of large-scale production of photovoltaic cells, thereby realizing the intellectualization and automation of a photovoltaic detection and sorting system.
The utility model provides a full-automatic intelligent photovoltaic cell detects and sorting equipment, including the master control board, master control board linking arm, the tricolor lamp, go up the fuselage, wheeled bearing structure, lower fuselage, power supply and communication bus system, power supply and communication bus's branch system, first automatic cylinder group, second automatic cylinder group, third automatic cylinder group, fourth automatic cylinder group, first group takes automatic liftout mechanism's magazine, the first automatic transmission mechanism of material, first group automatic arm, the automatic transmission mechanism of material second, intelligent vision position detecting system, the third automatic transmission mechanism of material, the automatic correction mechanism of material position, intelligent light source simulator, intelligent I-V tester, automatic upper needle arrangement system, automatic lower needle arrangement system, the automatic transmission mechanism of material fourth, the second group takes automatic liftout mechanism's magazine, the automatic arm of second group.
The equipment assembly of the full-automatic intelligent photovoltaic cell detection and sorting system is connected in the following manner that a master control table is connected with an upper machine body through a master control table connecting arm, and a tri-color lamp is arranged on the upper machine body; the upper machine body is arranged on the lower machine body and is fixed through a metal bracket structure; the base of the lower machine body is a wheel type supporting structure; the lower machine body is internally provided with a power supply and communication bus system, a branch system of the power supply and communication bus, a first automatic cylinder group, a second automatic cylinder group, a third automatic cylinder group and a fourth automatic cylinder group; the branch system of the communication bus system is a plurality of groups of branch systems of power supply and communication buses and is used for supplying power to peripheral equipment and carrying out information interaction; the leftmost side of the upper machine body is provided with a group of automatic feeding mechanisms, which are respectively composed of a first group of material boxes with automatic ejection mechanisms, a first automatic material conveying mechanism, a first group of automatic mechanical arms and a fourth automatic cylinder group; the right side of the automatic feeding mechanism is serially provided with a group of intelligent automatic material position detection mechanisms, which consists of a second automatic material conveying mechanism, an intelligent visual position detection system and a third automatic cylinder group; a group of automatic material position correcting and conveying mechanisms are arranged on the right side of the intelligent automatic material position detecting mechanism in series, and the automatic material position correcting and conveying mechanism consists of a third automatic material conveying mechanism, an automatic material position correcting mechanism and a second automatic cylinder group; a group of automatic material sorting mechanisms are arranged on the right side, which is in serial with the automatic material position correcting and conveying mechanism, and consist of a fourth automatic material conveying mechanism, a second group of material boxes with automatic material ejection mechanisms, a second group of automatic mechanical arms and a first automatic cylinder group. A group of intelligent I-V characteristic curve testing systems are longitudinally arranged with the automatic material position correcting and conveying mechanism, and the intelligent I-V characteristic curve testing systems consist of an intelligent light source simulator, an intelligent I-V tester, an automatic upper needle arranging system and an automatic lower needle arranging system.
The first automatic cylinder group, the second automatic cylinder group, the third automatic cylinder group and the fourth automatic cylinder group are respectively composed of a plurality of cylinders, and each cylinder is provided with an automatic pneumatic valve for controlling the starting or closing of air flow; thereby ensuring that a plurality of photovoltaic cells complete respective adsorption and release actions at different positions on the first automatic material conveying mechanism, the second automatic material conveying mechanism, the third automatic material conveying mechanism and the fourth automatic material conveying mechanism; it has been guaranteed that intelligent photovoltaic detects and letter sorting equipment can produce different operations to a plurality of photovoltaic cell in same time quantum, includes: feeding, transmission, position detection, position correction, I-V test, sorting and other actions, so that the efficiency of photovoltaic cell detection is improved.
The first group of automatic mechanical arms and the first group of material boxes with the automatic ejection mechanisms are used for sequentially and automatically picking up the photovoltaic cells in the material boxes and automatically placing the photovoltaic cells on the first automatic material conveying mechanism to finish automatic feeding actions of the photovoltaic cells.
The second group of automatic mechanical arms and the second group of material boxes with the automatic material ejection mechanisms are used for sequentially and automatically picking up the photovoltaic cells on the fourth automatic material conveying mechanism and automatically placing the photovoltaic cells in the second group of material boxes with the automatic material ejection mechanisms, the second group of material boxes with the automatic material ejection mechanisms descend to accommodate more photovoltaic cells, and automatic sorting actions of the photovoltaic cells are completed.
The intelligent vision position detection system has the effects that the camera is used for shooting the image of the photovoltaic cell on the second automatic transmission mechanism, the edge of the photovoltaic cell is identified through an intelligent image processing method, and the position deviation of the photovoltaic cell relative to the second automatic transmission mechanism is intelligently extracted.
The automatic correcting mechanism for the material position has the functions of receiving a position control instruction of the intelligent vision position detecting system on one hand and driving the automatic correcting system to correct the position of the photovoltaic cell on the other hand.
The automatic upper pin arranging system and the automatic lower pin arranging system have the function of realizing that the bidirectional pins are respectively close to and contacted with the positive electrode (negative electrode) of the front surface (back surface) of the photovoltaic cell through the driving of an automatic program.
The intelligent I-V tester is used for respectively receiving the electric signals of the automatic upper needle arrangement system and the automatic lower needle arrangement system, and calculating an I-V test curve of the photovoltaic cell through an intelligent algorithm.
The intelligent light source simulator has the function of simulating the solar light spectrum by automatically controlling the light emitting devices such as the LED lamp and the like, so as to simulate the light intensity and spectrum of sunlight.
In summary, the working principle of the equipment assembly of the full-automatic intelligent photovoltaic cell detection and sorting system is as follows:
Firstly, an operator starts a function at a master console input device, and the master console generates a control instruction and sends the control instruction to each automation system and each intelligent system through a power supply and communication bus system and a branch system of the power supply and communication bus;
secondly, each subsystem receives the control instruction of the master console respectively and executes the respective automatic or intelligent detection function;
After the subsystem of the automatic feeding mechanism is started, the first group of material boxes with the automatic ejection mechanism sequentially eject the photovoltaic cells in the material boxes to the material boxes, the first group of automatic mechanical arms sequentially place the photovoltaic cells on the first automatic material conveying mechanism, and the pneumatic units of the fourth automatic cylinder group generate adsorption action to prevent the photovoltaic cells from falling off from the first automatic material conveying mechanism;
When the photovoltaic cell is transmitted to the inflection point of the first material automatic transmission mechanism, the pneumatic unit of the fourth automatic cylinder group is closed under the adsorption action, the material is automatically transmitted to the second material automatic transmission mechanism of the intelligent automatic material position detection mechanism, and the third automatic cylinder group works and generates the adsorption action on the photovoltaic cell so as to prevent the photovoltaic cell from falling off from the second material automatic transmission mechanism; meanwhile, the intelligent visual position detection system is started, the camera shoots an image of the photovoltaic cell on the second automatic transmission mechanism, the edge of the photovoltaic cell is identified through an intelligent image processing method, and the position deviation of the photovoltaic cell relative to the second automatic transmission mechanism is intelligently extracted;
When the photovoltaic cell is transmitted to the inflection point of the material second automatic transmission mechanism, the pneumatic unit of the third automatic cylinder group is closed under the adsorption action, the material is automatically transmitted to the material third automatic transmission mechanism of the position correction and transmission system, and the material position automatic correction mechanism receives a control instruction of the intelligent vision position detection system to correct the position of the photovoltaic cell; after correction is finished, the second automatic cylinder group works and generates an adsorption effect on the photovoltaic cells, so that the photovoltaic cells are prevented from falling off from the third automatic material conveying mechanism;
When the photovoltaic cell is transmitted into the intelligent I-V characteristic curve testing system, the third automatic material transmission mechanism is not moved any more, and the intelligent I-V characteristic curve testing system starts to work; firstly, an automatic upper pin arranging system and an automatic lower pin arranging system are started simultaneously, two-way pin arranging systems are respectively close to the front face and the back face of a photovoltaic cell, and finally the positive pole and the negative pole of the photovoltaic cell are touched; secondly, the intelligent light source simulator generates sunlight simulation light and irradiates the photovoltaic cell; the current detected by the bidirectional pin header is transmitted to an intelligent I-V tester, and an I-V test curve of the photovoltaic cell is calculated through an intelligent algorithm; finishing the detection of the photoelectric performance of the photovoltaic cell;
The detected photovoltaic cells are conveyed to an inflection point of a third automatic conveying mechanism, the adsorption effect generated by a second automatic cylinder group is closed, the photovoltaic cells are conveyed to a fourth automatic conveying mechanism of a material automatic sorting mechanism, the first automatic cylinder group works to generate adsorption or release actions, the second automatic mechanical arm respectively places the photovoltaic cells with different grades into a material box with an automatic material ejection mechanism according to the I-V test curve and grades of the photovoltaic cells, and the material ejection mechanism with the automatic material ejection mechanism of the second group descends to accommodate more photovoltaic cells; and (5) detecting and sorting the photovoltaic cells.
The photovoltaic cell material flow of the invention comprises the following steps: placing a batch of photovoltaic cells to be detected into a raw material box, and then placing the photovoltaic cells on a feeding and ejection mechanism; the feeding mechanical arm picks up the photovoltaic cell at the uppermost surface of the material ejection mechanism and places the photovoltaic cell on the first-stage conveying belt; the materials are transferred to the second-stage conveying belt and the third-stage conveying belt; on the third-stage conveying belt, the position correcting mechanism contacts and moves the photovoltaic cell, and then the upper and lower needle rows approach and contact the anode and the cathode of the photovoltaic cell; and then the photovoltaic cells are transmitted to the fourth-stage conveying belt, and the sorting mechanical arm picks up the photovoltaic cells on the fourth-stage conveying belt and places the photovoltaic cells on a material box of a sorting and ejection mechanism to finish sorting. Here, the intelligent visual inspection system, the intelligent I-V test system, and the intelligent simulated light source system do not directly contact the photovoltaic cells; in addition, the adsorption and release functions of the air cylinder are auxiliary mechanisms of each conveying belt, and the flow direction and the action of the material flow are not influenced.
The beneficial effects of the invention are as follows:
(1) The automatic procedures of automatic feeding, automatic transmission, automatic position detection, automatic position correction, automatic light source simulation, automatic I-V test, automatic grade sorting and the like of the photovoltaic cells are realized by adopting a plurality of groups of automatic systems;
(2) The multi-group cylinder control system is adopted, so that a plurality of photovoltaic cells are adsorbed and released simultaneously, and the system is allowed to process automatic feeding, automatic transmission, automatic position detection, automatic position correction, automatic light source simulation, automatic I-V test and automatic grade sorting of the plurality of photovoltaic cells in parallel;
(3) The automatic material ejection mechanism and the automatic mechanical arm material conveying mechanism are matched to finish feeding or sorting, so that the damage rate of picking, moving and placing the photovoltaic cells is reduced;
(4) The visual positioning system is adopted, so that the position of the photovoltaic cell is intelligently detected, and the detection accuracy and precision are ensured;
(5) The position correction system is adopted, so that the position accuracy of the photovoltaic cell is ensured;
(6) The pin arranging contact system is adopted, so that the multipoint contact of the photovoltaic cell and the pin arranging is ensured, and the quality of the electric signal is ensured;
(7) An intelligent light source simulation system based on LED light sources is adopted, and a plurality of groups of LED light sources are used for simulating sunlight spectrum and light intensity;
(8) An intelligent I-V test system based on a nonlinear fitting algorithm is adopted, and the accuracy and the rapidity of I-V test are ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Figure 2 photovoltaic cell material flow of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a full-automatic intelligent photovoltaic cell detecting and sorting device comprises a master control board 1, a master control board connecting arm 2, a three-color lamp 3, an upper machine body 4, a wheel type supporting structure 5, a lower machine body 6, a power supply and communication bus system 7, a branch system 8 of a power supply and communication bus, a first automatic cylinder group 9, a second automatic cylinder group 10, a third automatic cylinder group 11, a fourth automatic cylinder group 12, a first group of material boxes 13 with automatic material ejection mechanisms, a first material automatic transmission mechanism 14, a first group of automatic mechanical arms 15, a second material automatic transmission mechanism 16, an intelligent vision position detecting system 17, a third material automatic transmission mechanism 18, a material position automatic correction mechanism 19, an intelligent light source simulator 20, an intelligent I-V tester 21, an automatic upper pin arranging system 22, an automatic lower pin arranging system 23, a fourth material automatic transmission mechanism 24, a second group of material boxes 25 with automatic material ejection mechanisms and a second group of automatic mechanical arms 26.
The master control table 1 is connected with the upper machine body 4 through a master control table connecting arm 2, and the tri-color lamp 3 is arranged on the top surface of the upper machine body 4; the upper machine body 4 is arranged on the lower machine body 6 through a metal bracket structure; the base of the lower machine body 6 is a wheel type supporting structure 5; the lower machine body 6 is internally provided with a power supply and communication bus system 7, a branch system 8 of the power supply and communication bus, a first automatic cylinder group 9, a second automatic cylinder group 10, a third automatic cylinder group 11 and a fourth automatic cylinder group 12; the communication bus system 7 is composed of a plurality of groups of branch systems 8 of power supply and communication buses, and the branch systems 8 of the power supply and communication buses are used for supplying power to peripheral equipment and carrying out information interaction; the leftmost side of the upper machine body 4 is provided with a group of automatic feeding mechanisms, which respectively comprise a first group of material boxes 13 with automatic ejection mechanisms, a first automatic material conveying mechanism 14, a first group of automatic mechanical arms 15 and a fourth automatic cylinder group 12; the right side of the automatic feeding mechanism is provided with a group of intelligent automatic material position detection mechanisms, which consists of a second material automatic transmission mechanism 16, an intelligent visual position detection system 17 and a third automatic cylinder group 11; a group of automatic material position correcting and conveying mechanisms are arranged on the right side of the intelligent automatic material position detecting mechanism in series, and the automatic material position correcting and conveying mechanism consists of a third material conveying mechanism 18, an automatic material position correcting mechanism 19 and a second automatic cylinder group 10; a group of automatic material sorting mechanisms are arranged on the right side, which is in series with the automatic material position correcting and conveying mechanism, and consist of a fourth automatic material conveying mechanism 24, a second group of material boxes 25 with automatic material ejection mechanisms, a second group of automatic mechanical arms 26 and a first automatic cylinder group 9. The automatic material position correcting and conveying mechanism is longitudinally provided with a group of intelligent I-V characteristic curve testing systems, and the intelligent I-V characteristic curve testing systems consist of an intelligent light source simulator 20, an intelligent I-V tester 21, an automatic upper needle arranging system 22 and an automatic lower needle arranging system 23.
The first automation cylinder group 9, the second automation cylinder group 10, the third automation cylinder group 11 and the fourth automation cylinder group 12 respectively consist of a plurality of cylinders, each cylinder is provided with an automatic pneumatic valve, and the starting or closing of air flow is controlled; thereby ensuring that a plurality of photovoltaic cells complete respective adsorption and release actions at different positions on the first material automatic transmission mechanism 14, the second material automatic transmission mechanism 16, the third material automatic transmission mechanism 18 and the fourth material automatic transmission mechanism 24; it has been guaranteed that intelligent photovoltaic detects and letter sorting equipment can produce different operations to a plurality of photovoltaic cell in same time quantum, includes: feeding, transmission, position detection, position correction, I-V test, sorting and other actions, so that the efficiency of photovoltaic cell detection is improved.
The first group of automatic mechanical arms 15 and the first group of material boxes 13 with the automatic ejection mechanisms are used for sequentially and automatically picking up the photovoltaic cells in the material boxes and automatically placing the photovoltaic cells on the first automatic material conveying mechanism 14 to finish automatic feeding actions of the photovoltaic cells.
The second group of automatic mechanical arms 26 and the second group of material boxes 25 with automatic material ejection mechanisms are used for sequentially and automatically picking up the photovoltaic cells on the fourth automatic material conveying mechanism 24 and automatically placing the photovoltaic cells in the second group of material boxes 25 with automatic material ejection mechanisms, the second group of material boxes 25 with automatic material ejection mechanisms descend to accommodate more photovoltaic cells, and automatic sorting actions of the photovoltaic cells are completed.
The intelligent visual position detection system 17 is used for shooting an image of the photovoltaic cell on the second automatic transmission mechanism 16 by using a camera, identifying the edge of the photovoltaic cell by using an intelligent image processing method, and intelligently extracting the position deviation of the photovoltaic cell relative to the second automatic transmission mechanism 16.
The automatic material position correction mechanism 19 is used for receiving a position control instruction of the intelligent vision position detection system 17 on one hand and driving the automatic correction system to correct the position of the photovoltaic cell on the other hand.
The automatic upper pin arranging system 22 and the automatic lower pin arranging system 23 have the function of realizing that the bidirectional pins are respectively close to and contacted with the positive electrode (negative electrode) of the front surface (back surface) of the photovoltaic cell through the driving of an automatic program.
The intelligent I-V tester 21 is used for respectively receiving the electric signals of the automatic upper pin arranging system 22 and the automatic lower pin arranging system 23, and calculating an I-V test curve of the photovoltaic cell through an intelligent algorithm.
The intelligent light source simulator 20 is used for simulating the solar light spectrum by automatically controlling the light emitting devices such as the LED lamp and the like, so as to simulate the light intensity and spectrum of sunlight.
In summary, the use process of the full-automatic intelligent photovoltaic cell detection and sorting equipment is as follows:
firstly, an operator inputs a device starting function into a master console 1, and the master console 1 generates control instructions and sends the control instructions to each automation system and each intelligent system through a power supply and communication bus system 7 and a branch system 8 of the power supply and communication bus;
secondly, each subsystem receives the control instruction of the master console respectively and executes the respective automatic or intelligent detection function;
after the subsystem of the automatic feeding mechanism is started, a first group of material boxes 13 with an automatic ejection mechanism sequentially eject the photovoltaic cells in the material boxes onto a material first automatic transmission mechanism 14, and the photovoltaic cells are sequentially placed on the material first automatic transmission mechanism 14 by a first group of automatic mechanical arms 15, and the pneumatic units of a fourth automatic cylinder group 12 generate adsorption action to prevent the photovoltaic cells from falling off from the material first automatic transmission mechanism 14;
When the photovoltaic cells are transmitted to the inflection point of the first material automatic transmission mechanism 14, the pneumatic units of the fourth automatic cylinder group 12 are closed under the adsorption action, the materials are automatically transmitted to the second material automatic transmission mechanism 16 of the intelligent automatic material position detection mechanism, and the third automatic cylinder group 11 works and generates the adsorption action on the photovoltaic cells so as to prevent the photovoltaic cells from falling off from the second material automatic transmission mechanism 16; meanwhile, the intelligent visual position detection system 17 is started, the camera shoots an image of the photovoltaic cell on the second automatic transmission mechanism 16, the edge of the photovoltaic cell is identified through an intelligent image processing method, and the position deviation of the photovoltaic cell relative to the second automatic transmission mechanism 16 is intelligently extracted;
When the photovoltaic cell is transmitted to the inflection point of the material second automatic transmission mechanism 16, the pneumatic unit of the third automatic cylinder group 11 is closed under the adsorption action, the material is automatically transmitted to the material third automatic transmission mechanism 18 of the position correction and transmission system, and the material position automatic correction mechanism 19 receives a control instruction of the intelligent vision position detection system 17 to correct the position of the photovoltaic cell; after correction, the second automatic cylinder group 10 works and generates an adsorption effect on the photovoltaic cells, so that the photovoltaic cells are prevented from falling off from the third automatic material conveying mechanism 18;
When the photovoltaic cell is transmitted into the intelligent I-V characteristic curve testing system, the material third automatic transmission mechanism 18 is not moved any more, and the intelligent I-V characteristic curve testing system starts to work; firstly, an automatic upper pin arranging system 22 and an automatic lower pin arranging system 23 are started simultaneously, two-way pins are respectively close to the front face and the back face of a photovoltaic cell, and finally touch the positive pole and the negative pole of the photovoltaic cell; next, the intelligent light source simulator 20 generates sunlight-simulated light, radiating the photovoltaic cell; the current detected by the bidirectional pin header is transmitted into the intelligent I-V tester 21, and an I-V test curve of the photovoltaic cell is calculated through an intelligent algorithm; finishing the detection of the photoelectric performance of the photovoltaic cell;
The detected photovoltaic cells are conveyed to the inflection point of the third automatic conveying mechanism 18, the adsorption effect generated by the second automatic cylinder group 10 is closed, the photovoltaic cells are conveyed to the fourth automatic conveying mechanism 24 of the material automatic sorting mechanism, the first automatic cylinder group 9 works to generate adsorption or release actions, the second group of automatic mechanical arms 26 respectively place the photovoltaic cells with different grades into the material boxes of the second group of automatic material lifting mechanisms 25 according to the I-V test curves and grades of the photovoltaic cells, and the material lifting mechanisms of the second group of automatic material lifting mechanisms 25 are downward to accommodate more photovoltaic cells; and (5) detecting and sorting the photovoltaic cells.
Referring to fig. 2, the photovoltaic cell material flow of the present invention is as follows: placing a batch of photovoltaic cells to be detected into a raw material box, and then placing the photovoltaic cells on a feeding and ejection mechanism; the feeding mechanical arm picks up the photovoltaic cell at the uppermost surface of the material ejection mechanism and places the photovoltaic cell on the first-stage conveying belt; the materials are transferred to the second-stage conveying belt and the third-stage conveying belt; on the third-stage conveying belt, the position correcting mechanism contacts and moves the photovoltaic cell, and then the upper and lower needle rows approach and contact the anode and the cathode of the photovoltaic cell; and then the photovoltaic cells are transmitted to the fourth-stage conveying belt, and the sorting mechanical arm picks up the photovoltaic cells on the fourth-stage conveying belt and places the photovoltaic cells on a material box of a sorting and ejection mechanism to finish sorting. Here, the intelligent visual inspection system, the intelligent I-V test system, and the intelligent simulated light source system do not directly contact the photovoltaic cells; in addition, the adsorption and release functions of the air cylinder are auxiliary mechanisms of each conveying belt, and the flow direction and the action of the material flow are not influenced.
Claims (1)
1. The full-automatic intelligent photovoltaic cell detection and sorting equipment is characterized by comprising a master control table (1), a master control table connecting arm (2), a tri-color lamp (3), an upper machine body (4), a wheel type supporting structure (5), a lower machine body (6), a power supply and communication bus system (7), an automatic feeding mechanism, an intelligent automatic material position detection mechanism, an automatic material position correction and transmission mechanism, an automatic material sorting mechanism and an intelligent I-V characteristic curve testing system;
The master control desk (1) is connected with the upper machine body (4) through a master control desk connecting arm (2), and the tri-color lamp (3) is arranged on the top surface of the upper machine body (4); the upper machine body (4) is arranged on the lower machine body (6) through a metal bracket structure; the base of the lower machine body (6) is a wheel type supporting structure (5); the lower machine body (6) is internally provided with a power supply and communication bus system (7), a branch system (8) of the power supply and communication bus, a first automatic cylinder group (9), a second automatic cylinder group (10), a third automatic cylinder group (11) and a fourth automatic cylinder group (12); the communication bus system (7) is composed of a plurality of groups of branch systems (8) of power supply and communication buses, and the branch systems (8) of the power supply and communication buses are used for supplying power to peripheral equipment and carrying out information interaction; the leftmost side of the upper machine body (4) is provided with a group of automatic feeding mechanisms, which respectively consist of a first group of material boxes (13) with automatic ejection mechanisms, a first automatic material conveying mechanism (14), a first group of automatic mechanical arms (15) and a fourth automatic cylinder group (12); the right side of the automatic feeding mechanism is serially provided with a group of intelligent automatic material position detection mechanisms, and the intelligent automatic material position detection mechanisms consist of a second material automatic transmission mechanism (16), an intelligent visual position detection system (17) and a third automatic cylinder group (11); a group of automatic material position correcting and conveying mechanisms are arranged on the right side of the intelligent automatic material position detecting mechanism in series, and the automatic material position correcting and conveying mechanism consists of a third automatic material conveying mechanism (18), an automatic material position correcting mechanism (19) and a second automatic cylinder group (10); a group of automatic material sorting mechanisms are arranged on the right side of the material automatic position correcting and conveying mechanism in series, and consist of a fourth automatic material conveying mechanism (24), a second group of material boxes (25) with automatic material ejection mechanisms, a second group of automatic mechanical arms (26) and a first automatic cylinder group (9); the automatic material position correcting and conveying mechanism is longitudinally provided with a group of intelligent I-V characteristic curve testing systems, which consists of an intelligent light source simulator (20), an intelligent I-V tester (21), an automatic upper needle arranging system (22) and an automatic lower needle arranging system (23);
The first automatic cylinder group (9), the second automatic cylinder group (10), the third automatic cylinder group (11) and the fourth automatic cylinder group (12) are respectively composed of a plurality of cylinders, and each cylinder is provided with an automatic pneumatic valve for controlling the starting or closing of air flow; thereby ensuring that a plurality of photovoltaic cells complete respective adsorption and release actions at different positions on the first material conveying mechanism (14), the second material conveying mechanism (16), the third material conveying mechanism (18) and the fourth material conveying mechanism (24); it has been guaranteed that intelligent photovoltaic detects and letter sorting equipment can produce different operations to a plurality of photovoltaic cell in same time quantum, includes: feeding, transmission, position detection, position correction, I-V testing and sorting, so that the efficiency of photovoltaic cell detection is improved;
The first group of automatic mechanical arms (15) and the first group of material boxes (13) with the automatic ejection mechanisms are used for automatically picking up the photovoltaic cells in the material boxes in sequence and automatically placing the photovoltaic cells on the first automatic material conveying mechanism (14) to finish the automatic feeding action of the photovoltaic cells;
The second group of automatic mechanical arms (26) and the second group of material boxes (25) with the automatic material ejection mechanisms are used for sequentially and automatically picking up the photovoltaic cells on the fourth automatic material conveying mechanism (24) and automatically placing the photovoltaic cells in the second group of material boxes (25) with the automatic material ejection mechanisms, the second group of material boxes (25) with the automatic material ejection mechanisms descend to accommodate more photovoltaic cells, and automatic sorting actions of the photovoltaic cells are completed;
The intelligent visual position detection system (17) has the effects that an image of the photovoltaic cell on the second automatic transmission mechanism (16) is shot by a camera, the edge of the photovoltaic cell is identified by an intelligent image processing method, and the position deviation of the photovoltaic cell relative to the second automatic transmission mechanism (16) is intelligently extracted;
The automatic material position correcting mechanism (19) receives a position control instruction of the intelligent vision position detecting system (17) on one hand and drives the automatic correcting system to correct the position of the photovoltaic cell on the other hand;
the automatic upper pin arranging system (22) and the automatic lower pin arranging system (23) have the function of realizing that the bidirectional pins are respectively close to and contacted with the anode and the cathode of the photovoltaic cell;
The intelligent I-V tester (21) is used for respectively receiving electric signals of an automatic upper needle arranging system (22) and an automatic lower needle arranging system (23) and calculating an I-V test curve of the photovoltaic cell;
The intelligent light source simulator (20) is used for simulating a solar light emission spectrum and realizing the simulation of the light intensity and spectrum of sunlight;
Firstly, an operator inputs a device starting function into a master control console (1), and the master control console (1) generates control instructions and sends the control instructions to all automation systems and intelligent systems through a power supply and communication bus system (7) and a branch system (8) of the power supply and communication bus;
secondly, each subsystem receives the control instruction of the master console respectively and executes the respective automatic or intelligent detection function;
After the subsystem of the automatic feeding mechanism is started, a first group of material boxes (13) with an automatic ejection mechanism sequentially eject the photovoltaic cells in the material boxes to the material boxes, the photovoltaic cells are sequentially placed on a first automatic material conveying mechanism (14) by a first group of automatic mechanical arms (15), and the pneumatic units of a fourth automatic cylinder group (12) generate adsorption action to prevent the photovoltaic cells from falling off from the first automatic material conveying mechanism (14);
When the photovoltaic cells are transmitted to the inflection point of the first material automatic transmission mechanism (14), the pneumatic units of the fourth automatic cylinder group (12) are closed under the adsorption action, the materials are automatically transmitted to the second material automatic transmission mechanism (16) of the intelligent automatic material position detection mechanism, and the third automatic cylinder group (11) works and generates the adsorption action on the photovoltaic cells so as to prevent the photovoltaic cells from falling off from the second material automatic transmission mechanism (16); meanwhile, an intelligent visual position detection system (17) is started, a camera shoots an image of the photovoltaic cell on the second automatic transmission mechanism (16), the edge of the photovoltaic cell is identified through an intelligent image processing method, and the position deviation of the photovoltaic cell relative to the second automatic transmission mechanism (16) is intelligently extracted;
When the photovoltaic cell is transmitted to the inflection point of the material second automatic transmission mechanism (16), the pneumatic unit of the third automatic cylinder group (11) is closed under the adsorption action, the material is automatically transmitted to the material third automatic transmission mechanism (18) of the position correction and transmission system, and the material position automatic correction mechanism (19) receives a control instruction of the intelligent vision position detection system (17) to correct the position of the photovoltaic cell; after correction is finished, the second automatic cylinder group (10) works and generates an adsorption effect on the photovoltaic cells, so that the photovoltaic cells are prevented from falling off from the third automatic material conveying mechanism (18);
When the photovoltaic cell is transmitted into the intelligent I-V characteristic curve testing system, the material third automatic transmission mechanism (18) is not moved any more, and the intelligent I-V characteristic curve testing system starts to work; firstly, an automatic upper pin arranging system (22) and an automatic lower pin arranging system (23) are started simultaneously, two-way pins are respectively close to the front face and the back face of a photovoltaic cell, and finally the positive pole and the negative pole of the photovoltaic cell are touched; secondly, the intelligent light source simulator (20) generates sunlight simulation light and irradiates the photovoltaic cell; the current detected by the bidirectional pin header is transmitted to an intelligent I-V tester (21), and an I-V test curve of the photovoltaic cell is calculated through an intelligent algorithm; finishing the detection of the photoelectric performance of the photovoltaic cell;
the detected photovoltaic cells are conveyed to an inflection point of a third automatic conveying mechanism (18), the adsorption effect generated by a second automatic cylinder group (10) is closed, the photovoltaic cells are conveyed to a fourth automatic conveying mechanism (24) of the material automatic sorting mechanism, the first automatic cylinder group (9) works to generate adsorption or release actions, the second group of automatic mechanical arms (26) respectively place the photovoltaic cells with different grades into a material box with an automatic material ejection mechanism (25) according to the I-V test curve and grade of the photovoltaic cells, and the material ejection mechanism with the automatic material ejection mechanism (25) of the second group descends to accommodate more photovoltaic cells; and (5) detecting and sorting the photovoltaic cells.
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