CN111707676A - EL automatic testing device - Google Patents
EL automatic testing device Download PDFInfo
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- CN111707676A CN111707676A CN202010696480.5A CN202010696480A CN111707676A CN 111707676 A CN111707676 A CN 111707676A CN 202010696480 A CN202010696480 A CN 202010696480A CN 111707676 A CN111707676 A CN 111707676A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses an automatic EL testing device, which relates to the technical field of solar cell production and comprises a rack 1, a detection sheet taking mechanism 2, a first full material box feeding rail 3, a second full material box feeding rail 4, a first empty material box discharging rail 5, a second empty material box discharging rail 6, a lifting translation device 7, a cell sheet conveying rail 8, a wind knife 9, a left material box positioning cylinder 10, a right material box positioning cylinder 11, a lifting mechanism 12, a detected sheet taking mechanism 13, a left aluminum plate placing box 14, a right aluminum plate placing box 15, a probe pressing device 16, a test camera rack 17, a material box 18, a second correcting device 19, a conveying rail 20, a first correcting device 21, a third correcting device 22 and an optical communication module 25; can carry out mechanical butt joint and electrical communication with the AGV device, can carry out accurate test to the battery piece, reduce the detection mistake that probe and grid line misalignment lead to.
Description
Technical Field
The invention belongs to the technical field of solar cell production, and particularly relates to an automatic EL testing device.
Background
An EL (electroluminescence) tester is called an electroluminescence tester, and is an internal defect detection device for a solar cell or a cell module. The method is commonly used for detecting internal defects, hidden cracks, fragments, scratches, broken grids and abnormal phenomena of single-chip batteries with different conversion efficiencies of the solar battery.
On the one hand, the existing EL tester mainly adopts manual operation, and manual feeding is adopted, so that an operator judges whether the battery piece has defects and defect types according to pictures shot by an EL tester camera. The method has low production efficiency, the judgment depends on subjective judgment of people, the repeatability of the test is poor, and the judgment result of different people is different greatly.
On the other hand, the existing EL test equipment has low informatization degree, cannot be integrated with an automatic material conveying system of a factory, and needs to manually carry the material box no matter the material is fed during the test or discharged after the test is finished, so that the labor intensity of operators is high, errors are easy to occur, the test efficiency is low, and the equipment utilization rate is not high.
Disclosure of Invention
The invention aims to provide an automatic EL testing device, which solves the problems in the production of solar cells.
The invention is realized by the following technical scheme:
the utility model provides an automatic testing arrangement of EL, which comprises a frame 1, detect and get piece mechanism 2, first full magazine feeding track 3, the full magazine feeding track 4 of second, first empty magazine ejection of compact track 5, the empty magazine ejection of compact track 6 of second, lift translation device 7, battery piece transfer rail 8, air knife 9, left magazine location cylinder 10, right magazine location cylinder 11, climbing mechanism 12, detect the back and get piece mechanism 13, left aluminum plate places box 14, right aluminum plate places box 15, probe pushing device 16, test camera frame 17, magazine 18, second orthotic devices 19, delivery track 20, first orthotic devices 21, third orthotic devices 22, optical communication module 25.
The rack 1 comprises a three-layer structure;
the first full-material-box feeding rail 3, the second full-material-box feeding rail 4, the first empty-material-box discharging rail 5 and the second empty-material-box discharging rail 6 are arranged at the bottom layer of the rack 1 in parallel;
the optical communication module 25 is arranged at the front end of the feeding track and the discharging track;
the cell conveying rail 8 is arranged at the middle layer of the rack 1;
the lifting translation device 7 is arranged between the bottom layer and the middle layer of the rack 1, can be butted with the feeding track and the discharging track at a descending position, and can be butted with the cell conveying track 8 arranged at the middle layer of the rack 1 at an ascending position;
the jacking mechanism 12 is arranged between the bottom layer and the middle layer of the rack 1 and corresponds to the feeding position of the material box;
the detection and sheet taking mechanism 2 is arranged below the upper layer of the rack 1, corresponds to the upper part of the battery sheet conveying track 8, and comprises a suction cup 201, a rotating motor 202, an upper air cylinder 203, a lower air cylinder 203, a linear module 204 and a first servo motor 205:
the rotary motor 202 is connected with the sucker 201, the rotary motor 202 and the sucker 201 are arranged on the linear module 204 through the upper and lower air cylinders 203, and the first servo motor 205 is connected with the linear module 204;
the sucking disc 201, the rotating motor 202 and the upper and lower air cylinders 203 are respectively provided with two parts, and each part of the sucking disc 201, the rotating motor 202 and the upper and lower air cylinders 203 forms a component which is arranged on the linear module 204;
the outer sides of two sides of the material box position in the middle layer of the rack 1 are respectively provided with a left aluminum plate placing box 14 and a right aluminum plate placing box 15;
the air knives 9 are arranged on two sides of the starting end of the battery piece conveying track 8;
the left material box positioning cylinder 10 and the right material box positioning cylinder 11 are respectively arranged at the material box feeding position;
the battery piece conveying track 8 is provided with three correction devices which are respectively arranged at the feeding starting end, the middle position and the detection position of the battery piece conveying track 8, and the three correction devices are respectively provided with a first correction device 21, a second correction device 19, a third correction device 22 and a first correction device 21 at the starting end, wherein the first correction device 21 comprises a cylinder capable of moving back and forth, so that the starting position of each battery can be ensured to be the same; the second correcting device 19 at the middle position comprises a stepping motor, a belt and a synchronizing wheel, and can correct the left and right positions of the battery piece; the third correcting device 22 on the outer side of the detection position comprises a correcting block driven by an air cylinder, the left and right positions of the battery piece can be further corrected, and accurate alignment of the grid line of the battery piece and the test probe is guaranteed;
the probe pressing device 16 is arranged below the upper layer of the rack 1 and corresponds to the upper part of the detection position of the battery piece conveying track 8;
the probe pressing device 16 comprises an upper probe row 1601, a lower probe row 1602, a slide block 1603, a guide rail 1604 and a second servo motor 1605;
the second servo motor 1605 is connected with the slide block 1603, and the upper probe row 1601 and the lower probe row 1602 are arranged on the guide rail 1604 through the slide block 1603;
the test camera frame 17 is arranged on the upper layer of the frame 1 and above the test position corresponding to the battery piece conveying track 8, and the industrial camera is arranged on the test camera frame 17;
the post-detection sheet taking mechanism 13 comprises a linear module and a sucker, which are driven by a servo motor, and the post-detection sheet taking mechanism 13 is arranged on the uppermost layer of the rack 1 and corresponds to the outer side of the test position of the battery sheet conveying track 8;
the conveying track 20 is arranged outside the testing position of the battery piece conveying track 8 and is in butt joint with a rear-section equipment track.
The working process of the EL automatic testing device is as follows:
a material quantity system of an AGV trolley of a factory sends material boxes to the side of a testing device, an optical communication module 25 at the front end of a conveying track controls a first full material box feeding track 3 and a second full material box feeding track 4 to be in butt joint with the AGV trolley according to the positions of the material boxes, and the material boxes conveyed by the AGV trolley are received;
the lifting translation device 7 descends to the height of the feeding rail of the material box, after the material box moves left and right and is aligned with the rail, the material box is conveyed to the lifting translation device, then the mechanism ascends to be in butt joint with the battery piece conveying rail 8 above, and the material box is conveyed to the feeding position of the appointed battery piece conveying rail 8;
the jacking mechanism 12 jacks the material box to a set height, the sucker 201 firstly sucks and takes away the conductive aluminum plate on the material box and places the conductive aluminum plate in the left and right conductive aluminum plate placing boxes 14 and 15, the left material box positioning cylinder 10 and the right material box positioning cylinder 11 correct the battery pieces in the material box to ensure that the battery pieces are flush and are positioned in the middle of the material box, the air knife 9 blows the battery pieces on the material box away, and then the sucker 201 sucks the battery pieces in the material box and places the battery pieces on the battery piece conveying track 8;
the battery piece has 3 orthotic devices in total on the transfer orbit: at the starting end of the feeding, the first correcting device 21 comprises a cylinder capable of moving back and forth, so that the starting position of each battery can be ensured to be the same; before the detection position, the second correction device 19 comprises a stepping motor, a belt and a synchronous wheel, and can correct the left and right positions of the battery piece; the third correcting device comprises a correcting block driven by the air cylinder outside the detection position, the left and right positions of the battery piece can be further corrected, and accurate alignment of the grid line of the battery piece and the test probe is guaranteed;
after the battery piece reaches the testing position, the probe pressing device 16 presses an upper probe row and a lower probe row onto a grid line of the battery piece, a direct-current power supply is switched on, the battery piece emits light under the action of electroluminescence, an industrial camera above the battery piece can shoot an EL image of the battery piece, testing software automatically analyzes the defect type according to the image, and the detection result is communicated with the equipment PLC;
the piece taking mechanism 13 comprises a linear module and a sucker which are driven by a servo motor after the tail end of the conveying track is detected, and is used for sucking bad battery pieces detected by the detection system, placing the bad battery pieces into a bad material box, carrying out manual recheck, and continuously conveying qualified battery pieces to the next procedure through the conveying track 20;
after the battery piece in the material box is sucked and finished, the material box is conveyed to a discharging track at the lower right side by the lifting and traversing mechanism, and the material box is taken away by the AGV and conveyed to a specified process station.
The invention has the following beneficial effects:
1. can carry out mechanical butt joint and electrical communication with the AGV device, the butt joint height is adjustable, can dock with the AGV of different track height, and it is the AGV that the electricity injected the process and conveys to this especially to be fit for the front road.
2. 2 suckers are arranged above the conveying track, can suck 2 battery pieces or 1 battery piece and 1 conductive aluminum plate at the same time, and can suck the battery pieces from the material box and place the battery pieces on the conveying track at the same time.
3. Install 3 orthotic devices on the transfer orbit, can carry out the battery piece respectively around, control the correction of position, ensure that every battery all is in same position in the detection position, guaranteed the accurate contact of probe with battery piece grid line to can carry out accurate test to the battery piece, reduce the detection mistake that probe and grid line are not aligned and lead to greatly.
4. The left and right material box correction cylinders are arranged at the material loading position of the material box, so that the battery pieces can be corrected in the material box, the battery pieces are flush, are positioned in the middle of the material box and are not in contact with the edge stop strips, and the defects of edge breakage, corner chipping or fragment breakage and the like caused by the contact with the edge of the material box can be avoided during the taking of the battery pieces.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of the automatic test device of the present invention;
FIG. 2 is a schematic view of a detecting and picking mechanism of the automatic testing device of the present invention;
FIG. 3 is a schematic view of a probe pressing apparatus of the automatic test apparatus according to the present invention;
FIG. 4 is a schematic view of a correction device on a cell transfer rail of the automatic test device according to the present invention;
FIG. 5 is a schematic plan view of the middle layer of the frame of the present invention;
FIG. 6 is a schematic plan view of the bottom layer of the present invention;
in the figure:
1-frame, 2-detection sheet taking mechanism, 3-first full-box feeding rail, 4-second full-box feeding rail, 5-first empty-box discharging rail, 6-second empty-box discharging rail, 7-lifting translation device, 8-battery sheet conveying rail, 9-air knife, 10-left-box positioning cylinder, 11-right-box positioning cylinder, 12-jacking mechanism, 13-detection sheet taking mechanism, 14-left-aluminum-plate placing box, 15-right-aluminum-plate placing box, 16-probe pressing device, 17-test camera frame, 18-box, 19-second correction device, 20-conveying rail, 21-first correction device, 22-third correction device and 25-optical communication module;
201-a sucker, 202-a rotating motor, 203-an upper air cylinder, a lower air cylinder, 204-a linear module, 205-a first servo motor;
1601-upper probe row, 1602-lower probe row, 1603-slide block, 1604-guide rail and 1605-second servo motor;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to an automatic EL testing device which comprises a rack 1, a detection sheet taking mechanism 2, a first full material box feeding rail 3, a second full material box feeding rail 4, a first empty material box discharging rail 5, a second empty material box discharging rail 6, a lifting translation device 7, a battery sheet conveying rail 8, an air knife 9, a left material box positioning cylinder 10, a right material box positioning cylinder 11, a jacking mechanism 12, a detected sheet taking mechanism 13, a left aluminum plate placing box 14, a right aluminum plate placing box 15, a probe pressing device 16, a test camera rack 17, a material box 18, a second correcting device 19, a conveying rail 20, a first correcting device 21, a third correcting device 22 and an optical communication module 25.
The rack 1 comprises a three-layer structure;
the first full-material-box feeding rail 3, the second full-material-box feeding rail 4, the first empty-material-box discharging rail 5 and the second empty-material-box discharging rail 6 are arranged at the bottom layer of the rack 1 in parallel;
the optical communication module 25 is arranged at the front end of the feeding track and the discharging track;
the cell conveying rail 8 is arranged at the middle layer of the rack 1;
the lifting translation device 7 is arranged between the bottom layer and the middle layer of the rack 1, can be butted with the feeding track and the discharging track at a descending position, and can be butted with the cell conveying track 8 arranged at the middle layer of the rack 1 at an ascending position;
the jacking mechanism 12 is arranged between the bottom layer and the middle layer of the rack 1 and corresponds to the feeding position of the material box;
the detection and sheet taking mechanism 2 is arranged below the upper layer of the rack 1, corresponds to the upper part of the battery sheet conveying track 8, and comprises a suction cup 201, a rotating motor 202, an upper air cylinder 203, a lower air cylinder 203, a linear module 204 and a first servo motor 205:
the rotary motor 202 is connected with the sucker 201, the rotary motor 202 and the sucker 201 are arranged on the linear module 204 through the upper and lower air cylinders 203, and the first servo motor 205 is connected with the linear module 204;
the sucking disc 201, the rotating motor 202 and the upper and lower air cylinders 203 are respectively provided with two parts, and each part of the sucking disc 201, the rotating motor 202 and the upper and lower air cylinders 203 forms a component which is arranged on the linear module 204;
the outer sides of two sides of the material box position in the middle layer of the rack 1 are respectively provided with a left aluminum plate placing box 14 and a right aluminum plate placing box 15;
the air knives 9 are arranged on two sides of the starting end of the battery piece conveying track 8;
the left material box positioning cylinder 10 and the right material box positioning cylinder 11 are respectively arranged at the material box feeding position;
the battery piece conveying track 8 is provided with three correction devices which are respectively arranged at the feeding starting end, the middle position and the detection position of the battery piece conveying track 8, and the three correction devices are respectively provided with a first correction device 21, a second correction device 19, a third correction device 22 and a first correction device 21 at the starting end, wherein the first correction device 21 comprises a cylinder capable of moving back and forth, so that the starting position of each battery can be ensured to be the same; the second correcting device 19 at the middle position comprises a stepping motor, a belt and a synchronizing wheel, and can correct the left and right positions of the battery piece; the third correcting device 22 on the outer side of the detection position comprises a correcting block driven by an air cylinder, the left and right positions of the battery piece can be further corrected, and accurate alignment of the grid line of the battery piece and the test probe is guaranteed;
the probe pressing device 16 is arranged below the upper layer of the rack 1 and corresponds to the upper part of the detection position of the battery piece conveying track 8;
the probe pressing device 16 comprises an upper probe row 1601, a lower probe row 1602, a slide block 1603, a guide rail 1604 and a second servo motor 1605;
the second servo motor 1605 is connected with the slide block 1603, and the upper probe row 1601 and the lower probe row 1602 are arranged on the guide rail 1604 through the slide block 1603;
the test camera frame 17 is arranged on the upper layer of the frame 1 and above the test position corresponding to the battery piece conveying track 8, and the industrial camera is arranged on the test camera frame 17;
the post-detection sheet taking mechanism 13 comprises a linear module and a sucker, which are driven by a servo motor, and the post-detection sheet taking mechanism 13 is arranged on the uppermost layer of the rack 1 and corresponds to the outer side of the test position of the battery sheet conveying track 8;
the conveying track 20 is arranged outside the testing position of the battery piece conveying track 8 and is in butt joint with a rear-section equipment track.
The detection device of the invention is suitable for two conveying tracks.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An EL automatic testing device is characterized by comprising a rack 1, a detection sheet taking mechanism 2, a first full material box feeding rail 3, a second full material box feeding rail 4, a first empty material box discharging rail 5, a second empty material box discharging rail 6, a lifting translation device 7, a battery sheet conveying rail 8, an air knife 9, a left material box positioning cylinder 10, a right material box positioning cylinder 11, a jacking mechanism 12, a detected sheet taking mechanism 13, a left aluminum plate placing box 14, a right aluminum plate placing box 15, a probe pressing device 16, a test camera rack 17, a material box 18, a second correcting device 19, a conveying rail 20, a first correcting device 21, a third correcting device 22 and an optical communication module 25;
the rack 1 comprises a three-layer structure;
the first full-material-box feeding rail 3, the second full-material-box feeding rail 4, the first empty-material-box discharging rail 5 and the second empty-material-box discharging rail 6 are arranged at the bottom layer of the rack 1 in parallel;
the optical communication module 25 is arranged at the front end of the feeding track and the discharging track;
the cell conveying rail 8 is arranged at the middle layer of the rack 1;
the lifting translation device 7 is arranged between the bottom layer and the middle layer of the rack 1, can be butted with the feeding track and the discharging track at a descending position, and can be butted with the cell conveying track 8 arranged at the middle layer of the rack 1 at an ascending position;
the jacking mechanism 12 is arranged between the bottom layer and the middle layer of the rack 1 and corresponds to the feeding position of the material box;
the detection sheet taking mechanism 2 is arranged below the upper layer of the rack 1, corresponds to the upper part of the battery sheet conveying track 8, and comprises a suction cup 201, a rotating motor 202, an upper air cylinder 203, a lower air cylinder 203, a linear module 204 and a first servo motor 205;
the rotary motor 202 is connected with the sucker 201, the rotary motor 202 and the sucker 201 are arranged on the linear module 204 through the upper and lower air cylinders 203, and the first servo motor 205 is connected with the linear module 204;
the outer sides of two sides of the material box position in the middle layer of the rack 1 are respectively provided with a left aluminum plate placing box 14 and a right aluminum plate placing box 15;
the air knives 9 are arranged on two sides of the starting end of the battery piece conveying track 8;
the probe pressing device 16 is arranged below the upper layer of the rack 1 and corresponds to the upper part of the detection position of the battery piece conveying track 8;
the probe pressing device 16 comprises an upper probe row 1601, a lower probe row 1602, a slide block 1603, a guide rail 1604 and a second servo motor 1605;
the second servo motor 1605 is connected with the slide block 1603, and the upper probe row 1601 and the lower probe row 1602 are arranged on the guide rail 1604 through the slide block 1603;
the test camera frame 17 is arranged on the upper layer of the frame 1 and above the test position corresponding to the battery piece conveying track 8, and the industrial camera is arranged on the test camera frame 17;
get piece mechanism 13 after detecting and include servo motor driven sharp module and sucking disc, it sets up to get piece mechanism 13 after detecting 1 the superiors of frame, corresponding to the test position outside of battery piece transfer orbit 8.
2. The automatic EL testing device of claim 1, wherein the suction cup 201, the rotary motor 202, and the upper and lower air cylinders 203 are two pieces, and each piece of the suction cup 201, the rotary motor 202, and the upper and lower air cylinders 203 is formed as an assembly and is disposed on the linear module 204.
3. An EL automatic test apparatus according to claim 1, wherein the conveying rail 20 is provided outside the test position of the cell transfer rail 8 to be abutted against a rear stage equipment rail.
4. The automatic EL testing device as claimed in claim 1, wherein three correction devices are provided on the cell transfer rail 8 at the loading start end, the middle position and the detection position of the cell transfer rail 8, and a first correction device 21, a second correction device 19, a third correction device 22 and a first correction device 21 at the start end are provided on the three correction devices, respectively, and comprise cylinders capable of moving back and forth, so as to ensure the same start position of each cell; the second correcting device 19 at the middle position comprises a stepping motor, a belt and a synchronizing wheel, and can correct the left and right positions of the battery piece; the third correcting device 22 outside the detection position comprises a correcting block driven by a cylinder, so that the left and right positions of the battery piece can be further corrected, and the grid line of the battery piece is ensured to be accurately aligned with the test probe.
5. The automatic EL testing device of claim 1, wherein the left cartridge positioning cylinder 10 and the right cartridge positioning cylinder 11 are respectively disposed at a cartridge loading position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696480.5A CN111707676A (en) | 2020-07-20 | 2020-07-20 | EL automatic testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696480.5A CN111707676A (en) | 2020-07-20 | 2020-07-20 | EL automatic testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111707676A true CN111707676A (en) | 2020-09-25 |
Family
ID=72546680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010696480.5A Withdrawn CN111707676A (en) | 2020-07-20 | 2020-07-20 | EL automatic testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111707676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764300A (en) * | 2021-08-19 | 2021-12-07 | 浙江爱旭太阳能科技有限公司 | Solar cell testing device and testing method |
-
2020
- 2020-07-20 CN CN202010696480.5A patent/CN111707676A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764300A (en) * | 2021-08-19 | 2021-12-07 | 浙江爱旭太阳能科技有限公司 | Solar cell testing device and testing method |
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Application publication date: 20200925 |
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