CN116794047A - Device and method for detecting quality of solar cell printing screen - Google Patents
Device and method for detecting quality of solar cell printing screen Download PDFInfo
- Publication number
- CN116794047A CN116794047A CN202310722750.9A CN202310722750A CN116794047A CN 116794047 A CN116794047 A CN 116794047A CN 202310722750 A CN202310722750 A CN 202310722750A CN 116794047 A CN116794047 A CN 116794047A
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- screen
- solar cell
- printing screen
- quality
- cell printing
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- 238000007639 printing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 16
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000012360 testing method Methods 0.000 claims description 21
- 239000000839 emulsion Substances 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000007650 screen-printing Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 208000028571 Occupational disease Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- G01N21/8803—Visual inspection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/16—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
Abstract
The application belongs to the field of screen detection for solar cells, and particularly relates to a quality detection device and a detection method for a solar cell printing screen, wherein the quality detection device comprises a base, a longitudinal support A and a longitudinal support B are fixed on two sides above the base, the longitudinal support A and the longitudinal support B are provided with sliding grooves, the longitudinal support A is provided with scale marks, cursors and a display, three LED lamp tubes are arranged on the base, and the positions of a movable seat and the screen are adjusted; the pin is sleeved in the screen plate mounting hole; reading and recording the screen frame size, the hole spacing and the aperture detection value; and the tension of the solar cell printing screen is measured by a tensiometer. The device is of a multifunctional structure, can detect the sizes of printing screens of the mainstream solar cells in at least two industries, can finish the measurement of the sizes of the screen frames, the apertures of the mounting holes and the hole spacing at one time, and is designed to have the adjusting function of the optimal detection angle of the appearance, the function of simulating the sliding of the handheld screen and the cursor and the automatic function of a display.
Description
Technical Field
The application belongs to the field of screen detection for solar cells, and particularly relates to a device and a method for detecting quality of a printing screen of a solar cell.
Background
In the manufacturing process of the solar cell, the metal conductive paste is required to be printed on the surface of the cell to form electrode grid lines according to a designed pattern by using a screen, the quality of grid line printing influences the photoelectric conversion efficiency of the solar cell and the service life of the component, and the quality of the screen directly influences the quality of the finally printed cell and the printing cost. Therefore, the quality of the screen is required to be tested before the screen is put into use, so as to ensure the consistency of the quality of different batches of screens used by the same batch of solar cells.
The current solar cell screen frame size, the mounting hole diameter and the hole spacing are measured by using a tape measure, the testing method is low in accuracy and efficiency, the tape measure is easy to cause board explosion in the telescoping process, and the testing cost is increased; the appearance detection of the solar cell screen is to observe the appearance quality through indoor light or by means of a checking table with lower polishing, and the screen is required to be held by one of the appearance quality checking methods, and as the screen with a large screen frame size is used at present, the weight of each screen is 3.5kg, the operation is easy to fatigue for a long time, and risks such as potential safety hazards, occupational diseases and the like exist; the inspection table with lower polishing has no observation angle, the screen printing plate cannot move, appearance quality is not easy to find, and due to the characteristics of the screen printing plate, hollowed-out quality and emulsion quality can be better watched under certain angles and light, and the inspection method has higher omission rate; when the linear size, film thickness and tension of the solar cell screen are tested, the screen to be tested has the problems that the main grid line direction is not uniformly placed, the tension meter sensor is not on the same plane, the temperature of the screen frame to be tested is too low (the temperature is lower than 22 ℃, the film in the graph area is contracted, the elasticity is reduced, micro deformation exists), the test value is inaccurate, misjudgment or mark alignment is difficult, and the like.
Disclosure of Invention
Aiming at the problems, the application provides a solar cell printing screen quality detection device which comprises a base, wherein a vertical support A and a vertical support B are fixed on two sides above the base, the vertical support A and the vertical support B are respectively provided with a chute, the vertical support A is provided with scale marks, cursors and a display, and three LED lamp tubes are arranged on the base.
The further preferable technical scheme is as follows: the back of base is provided with angle adjusting bracket, angle adjusting bracket has flexible function.
The further preferable technical scheme is as follows: the lamp tube has three gear brightness and is installed through a magnet.
The further preferable technical scheme is as follows: the device also comprises a plurality of transverse brackets which are movably connected or fixedly connected on the longitudinal brackets A and B.
The further preferable technical scheme is as follows: the two transverse brackets are arranged, one transverse bracket is movably connected with the longitudinal bracket A and the longitudinal bracket B through a sliding block, and the other transverse bracket is fixedly connected with the longitudinal bracket A and the longitudinal bracket B.
The further preferable technical scheme is as follows: the movable seat is arranged on the transverse brackets.
The further preferable technical scheme is as follows: the movable seat is provided with pins, and one or more of the transverse brackets are provided with scale marks, cursors and a display.
The detection method of the solar cell printing screen quality detection device comprises the following steps:
adjusting the positions of the movable seat and the screen;
the pin is sleeved in the screen plate mounting hole;
reading and recording the screen frame size, the hole spacing and the aperture detection value;
the solar cell printing screen tension was measured with a tensiometer.
The further preferable technical scheme is as follows: the method also comprises the steps of opening the LED lamp tube, arranging the screen main grid line and the lamp tube in parallel to move back and forth, and observing the hollowed-out area of the grid line and the surface quality of the emulsion through a light source.
The further preferable technical scheme is as follows: the method comprises the steps of selecting a minimum of 5 tension test points and a tension meter placement method, uniformly distributing the tension test points on the solar cell printing screen, selecting any one test point, lightly placing the tension meter in the screen layout area to be perpendicular to the main grid line, and detecting the tension of the solar cell printing screen.
The application has the beneficial effects that: the device and the method for detecting the quality of the solar cell printing screen printing plate can realize high detection efficiency, high automation degree, low omission factor and strong functionality, can finish the detection of the screen printing screen frame size, the mounting hole size, the hole spacing and the appearance quality at one time, and further improve the accuracy of detection results by standardizing the detection method of the performance under the condition of standard laboratory temperature, so that the detection results are not subjected to measurement errors caused by different environmental factors and different personnel methods.
The device is of a multifunctional structure, can detect the sizes of printing screens of the mainstream solar cells in at least two industries, can finish the measurement of the sizes of the screen frames, the apertures of the mounting holes and the hole spacing at one time, and is designed to have the adjusting function of the optimal detection angle of the appearance, the function of simulating the sliding of the handheld screen and the cursor and the automatic function of a display. According to the testing method, the screen plate film is detected after being kept stand at the constant temperature at the standard laboratory temperature, deformation caused by shrinkage of a low-temperature graph area is avoided, tension and linear dimension detection results are not affected, board explosion caused by temperature difference is avoided, the screen plate tension detection method is standardized, the detection efficiency is effectively improved, the test error, the test cost and the misjudgment rate are reduced, meanwhile, detection fatigue of personnel is relieved, and automatic detection is realized.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of an apparatus for detecting the quality of a solar cell printing screen provided according to an embodiment of the present application;
FIG. 2 shows a schematic back view of an apparatus for detecting the quality of a solar cell printing screen provided according to an embodiment of the present application;
fig. 3 shows a schematic diagram of a detection method for detecting quality (tension) of a printing screen of a solar cell according to an embodiment of the present application.
Description of the drawings: 1. a base; 2. a longitudinal bracket A; 3. a longitudinal bracket B; 4. a slide block; 5. a transverse bracket A; 6. a transverse bracket B; 7. a movable seat; 8. a pin; 9. an angle adjusting bracket; 10. an LED lamp tube; 11. tension test point.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
As shown in the attached figure 1, the base 1 is rectangular, has the length of 850 mm and the width of 550 mm and the thickness of 10 mm, three LED lamp tubes 10 with three-gear brightness are arranged on the front surface of the base 1, different detection environments are met, and the lamp tubes are installed through iron absorption and are convenient to replace.
As shown in fig. 2, the back of the base 1 is provided with an angle adjusting bracket 9, the angle adjusting bracket 9 is fixed in a groove on the back of the base 1, the height of the angle adjusting bracket 9 is 180-220 mm, the width is 300-mm, the thickness is 150-mm, the angle adjusting bracket has a telescopic function, and the placing angle of the device can be freely adjusted according to the requirements of detection personnel. The vertical support A2 and the vertical support B3 with the sliding grooves are respectively fixed on two sides above the base 1, wherein the vertical support A2 is provided with scale marks, cursors and a display, the display is arranged on the sliding block 4, the transverse support A5 and the transverse support B6 are arranged on the vertical support, the transverse support B6 is fixed by using screws and cannot move, and the transverse support A5 can freely move through the sliding block 4, so that the measurement of the size of the net frame is realized.
The inside installation main slider of four removal seats 7 of placing the half tone is connected in the spout, and the surface at the cross bracket is seted up to the spout, removes seat 7 top and installs pin 8, realizes the detection of half tone mounting hole aperture, and cross bracket B6 has scale mark, vernier and display simultaneously, realizes the detection of half tone hole interval.
As shown in fig. 3, during detection, standing the solar cell printing screen to be detected at room temperature to constant temperature (the screen frame temperature reaches 25+/-3 ℃), moving two movable seats 7 adjacent to one side of a vertical support B3 to 0 scale, placing the screen to be detected on four movable seats 7, sleeving pins 8 into screen mounting holes, pushing and tightening cursors of the vertical support A2 and a horizontal support B6, and respectively reading screen frame size, hole spacing and aperture detection values and recording; simultaneously, the angle of the angle adjusting bracket 9 is adjusted to 35 degrees (namely, the height of the angle adjusting bracket 9 is adjusted to 180 mm), the LED lamp tube 10 is opened, the grid plate main grid line and the lamp tube are placed in parallel and slowly move back and forth, and the grid line hollowed-out area and the emulsion surface quality are observed through a light source; when the tension of the solar cell printing screen is detected, the screen is horizontally placed, any one test point is selected to lightly place the tension meter in the screen pattern area and vertical to the main grid line according to the tension test point 11 and the tension meter placing method, and two sensors are placed in the same plane of the pattern area (the hollowed-out area and the emulsion area are not the same plane), otherwise, test data can have test errors in the same plane due to the fact that the sensors are not in the same plane, when the test data are measured, the non-printing area is lightly tapped, dial data are read after the pointer is stable, in the traditional test method, the placing manual force is too light due to the fact that the test method of different testers is not available, and the sensors cannot be transmitted in place, so that the dial pointer cannot point to the actual position. The device provided by the application has the advantages of simple detection method and unified technique.
The device is of a multifunctional structure, can detect the sizes of printing screens of the mainstream solar cells in at least two industries, can finish the measurement of the sizes of the screen frames, the apertures of the mounting holes and the hole spacing at one time, and is designed to have the adjusting function of the optimal detection angle of the appearance, the function of simulating the sliding of the handheld screen and the cursor and the automatic function of a display. According to the testing method, the screen plate film is detected after being kept stand at the constant temperature at the standard laboratory temperature, deformation caused by shrinkage of a low-temperature graph area is avoided, tension and linear dimension detection results are not affected, board explosion caused by temperature difference is avoided, the screen plate tension detection method is standardized, the detection efficiency is effectively improved, the test error, the test cost and the misjudgment rate are reduced, meanwhile, detection fatigue of personnel is relieved, and automatic detection is realized.
It should be noted that the terms "first," "second," and the like herein are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings.
Although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a solar cell printing screen quality detection device, includes the base, its characterized in that, base top both sides are fixed with indulge support A and indulge support B, indulge support A and indulge support B all have the spout, indulge support A has scale mark, vernier and display, install a plurality of LED fluorescent tubes on the base.
2. The solar cell printing screen quality detection device according to claim 1, wherein an angle adjusting bracket is arranged on the back surface of the base, and the angle adjusting bracket has a telescopic function.
3. The device for detecting the quality of the printing screen of the solar cell according to claim 2, wherein the lamp tube has three-gear brightness and is installed through a suction iron.
4. A solar cell printing screen quality inspection device according to claim 3, further comprising a plurality of cross supports, wherein the plurality of cross supports are movably or fixedly connected to the vertical supports a and B.
5. The device for detecting the quality of the printing screen of the solar cell according to claim 4, wherein two transverse supports are provided, one transverse support A is movably connected with the longitudinal support A and the longitudinal support B through a sliding block, and the other transverse support B is fixedly connected with the longitudinal support A and the longitudinal support B.
6. The device of any one of claims 4-5, further comprising a plurality of moving bases disposed on a plurality of cross supports.
7. The solar cell printing screen quality detection device according to claim 6, wherein pins are arranged on the movable base, and one or more of the plurality of cross supports are provided with graduation marks, cursors and a display.
8. A detection method using the solar cell printing screen quality detection apparatus according to any one of claims 1 to 7, characterized by comprising the steps of:
adjusting the positions of the movable seat and the screen;
the pin is sleeved in the screen plate mounting hole;
reading and recording the size, the hole spacing and the aperture detection value of the solar cell printing screen;
the solar cell printing screen tension was measured with a tensiometer.
9. The method according to claim 8, further comprising opening the LED lamp tube, moving the reticle main grid line back and forth parallel to the lamp tube, and observing the grid line hollowed-out area and the emulsion surface quality through the light source.
10. The method for detecting the quality of the solar cell printing screen according to claim 8, further comprising selecting at least 5 tension test points and determining a placement method of a tension meter before detection, wherein the at least 5 tension test points are uniformly distributed on the solar cell printing screen, selecting any one test point, placing the tension meter in a screen pattern area to be perpendicular to a main grid line, and detecting the tension of the solar cell printing screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310722750.9A CN116794047A (en) | 2023-06-19 | 2023-06-19 | Device and method for detecting quality of solar cell printing screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310722750.9A CN116794047A (en) | 2023-06-19 | 2023-06-19 | Device and method for detecting quality of solar cell printing screen |
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| Publication Number | Publication Date |
|---|---|
| CN116794047A true CN116794047A (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310722750.9A Pending CN116794047A (en) | 2023-06-19 | 2023-06-19 | Device and method for detecting quality of solar cell printing screen |
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| CN (1) | CN116794047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309905A (en) * | 2023-11-30 | 2023-12-29 | 常州市三洋精密制版有限公司 | Adjustable photovoltaic printing half tone check out test set |
-
2023
- 2023-06-19 CN CN202310722750.9A patent/CN116794047A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309905A (en) * | 2023-11-30 | 2023-12-29 | 常州市三洋精密制版有限公司 | Adjustable photovoltaic printing half tone check out test set |
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