CN107202542A - The measuring thickness device and thickness measuring method of a kind of solar battery sheet - Google Patents
The measuring thickness device and thickness measuring method of a kind of solar battery sheet Download PDFInfo
- Publication number
- CN107202542A CN107202542A CN201710649876.2A CN201710649876A CN107202542A CN 107202542 A CN107202542 A CN 107202542A CN 201710649876 A CN201710649876 A CN 201710649876A CN 107202542 A CN107202542 A CN 107202542A
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- photoelectric sensor
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000003384 imaging method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
本发明公开了一种太阳能电池片的测厚装置及测厚方法。该装置包括基座和基座上的精密旋转平台，在精密旋转平台的上方设置有光电传感器，太阳能电池片放置于精密旋转平台上，光电传感器与计算机连接。该方法利用光电传感器经漫反射测量微小光斑，通过CCD光电探测器接收，并通过其内部的控制器取值计算，然后将数据直接传送至计算机，并通过计算机显示器清晰的表现出来。本发明实现了在复杂环境下对太阳能电池片的智能化、高精度、非接触测量，提高了太阳能电池片质量与一致性，减少人为接触电池片对电池生产工艺的影响及电池片的损坏，其体积小、易安装和易操作等特性大大减少了工人劳动程度，因此降低了生产成本。
The invention discloses a thickness measuring device and a thickness measuring method of a solar cell. The device comprises a base and a precision rotating platform on the base, a photoelectric sensor is arranged above the precision rotating platform, solar cells are placed on the precision rotating platform, and the photoelectric sensor is connected with a computer. The method uses a photoelectric sensor to measure tiny light spots through diffuse reflection, receives them through a CCD photodetector, and calculates the value through its internal controller, and then directly transmits the data to a computer, which is clearly displayed on a computer display. The invention realizes intelligent, high-precision, and non-contact measurement of solar cells in complex environments, improves the quality and consistency of solar cells, and reduces the impact of artificial contact with cells on the battery production process and damage to cells. Its small size, easy installation and easy operation greatly reduce the labor level of workers, thus reducing production costs.
Description
Technical field
The present invention relates to the thickness measurement technology of solar battery sheet, it is the part in manufacture of solar cells field, especially relates to
And the control system and detection method of solar battery sheet production, it is control solar cell tablet quality and uniformity one
Important means, belongs to the technical field of solar battery sheet production control.
Background technology
In recent years, in terms of alternative clean energy resource is developed, heliotechnics obtains quantum jump, using further extensive.
In current domestic photovoltaic industry, the manufacture of solar cells for occupying main flow is still the production of solar silicon chip battery piece, because
The thickness of this solar battery sheet directly affects the quality and production cost of enterprise.Now, the solar-electricity of domestic photovoltaic enterprise
Pond piece thickness measure takes traditional mechanical contact to measure mostly.And mechanical contact measurement is unfavorable for high-precision measurement,
And dynamic, in real time online non-cpntact measurement can not be realized to product on a production line.
In addition to above-mentioned traditional mechanical contact measurement, also there are such as differential transformer type, electric vortex type, electric capacity
Several thickness measuring instruments such as formula, inductance type, ultrasonic type, ray type, laser type, but they suffer from that volume is larger to be difficult mostly
Carrying, installation, the defect that measurement accuracy is not high, anti-interference is poor and conversion efficiency is low, it is impossible to adapt to particular surroundings such as high temperature etc.
Job requirement.
The content of the invention
In order to overcome, the larger not portable, measurement accuracy of conventional thickness measuring product build is not high, anti-interference is poor, conversion efficiency
Low to wait not enough, present invention aims at provide a kind of novel solar cell slices thickness measurement technology --- and single-point laser micro-displacement is non-
Contact thickness measurement technology.
Technical scheme is as follows：
The present invention provides and is provided with accurate rotation on a kind of measuring thickness device of solar battery sheet, including pedestal, the pedestal
Turn platform, photoelectric sensor is provided with above precision rotation platform, the solar battery sheet is positioned over precision rotation and put down
On platform, non-contact measurement is carried out using photoelectric sensor, the photoelectric sensor is connected with computer, the photoelectric sensor
In be provided with generating laser, CCD photoelectric detector and lens.
As a further improvement on the present invention, the photoelectric sensor is laser sensor.
The present invention also provides a kind of thickness measuring method of solar battery sheet, using photoelectric sensor, carries out contactless survey
Amount.
Further, the photoelectric sensor measures small spot through diffusing reflection, is received by CCD photoelectric detector, and lead to
Its internal controller exploitation is crossed, data are then conveyed directly to computer, and by computer display clearly
Show.
Further, comprise the following steps：
Step 1：First place pedestal；
Step 2：Photoelectric sensor is fixed in the mounting bracket on pedestal, the upper end of support；
Step 3：Precision rotation platform is placed on pedestal；
Step 4：Fitted on precision rotation platform solar battery sheet；
Step 5：Switch on power to precision rotation platform, make its normal work；
Step 6：Photoelectric sensor is connected with computer；
Step 7：Computer is opened, photoelectric sensor program is run on computers, power supply is provided to photoelectric sensor, is adjusted
Measurement distance is saved, allows photoelectric sensor to start normal work.
Further, photoelectric sensor starts transmitting light beam vertical irradiation on solar battery sheet surface, then by saturating
Mirror is imaged from another angle to the laser facula on body surface；The position of laser image spot is measured with CCD photoelectric detector, is counted
The angle of principal reflection light is calculated, so that the position height of body surface Stimulated Light point of irradiation is calculated, then by Data Position
The numerical value of height clearly indicates out by computer.
Further, by the rotation of precision rotation platform, sensor is able to measure the thickness of whole cell piece, by making even
The method of average, obtains the accurate data of cell piece thickness.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is realized to the intellectuality of solar battery sheet, high accuracy, non-cpntact measurement under complex environment, is improved
Solar cell tablet quality and uniformity, reduce the damage of influence and cell piece of the artificial contact cell piece to battery production technology
Bad, its small volume, characteristic easy to install and easy to operate etc. greatly reduce workman's work degree, therefore reduce production cost.
Brief description of the drawings
Fig. 1 is the structural principle sketch of thickness measurement with laser of the present invention.
Fig. 2 is laser triangulation schematic diagram.
The sign explanation of parts in schematic diagram：1. pedestal, 2.C types support, 3. precision rotation platforms, 4. cell pieces, 5.
Laser micro-displacement sensor, 6. laser sensor shells, 7.RS232 series windings interface, 8. generating lasers, 9.CCD photodetections
Device, 10. lens, the position of 11. tested cell pieces, the position of 12. tested precision rotation platforms, 13. computers.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
In Fig. 1, pedestal 1 is first placed, C-shaped support 2 is then installed on pedestal 1, in the other end of C-shaped support 2
Laser micro-displacement sensor 5 is fixed, then precision rotation platform 3 is placed on pedestal 1, is fitted on precision rotation platform 3
Cell piece 4, switches on power to precision rotation platform 3, makes its normal work.With RS232 serial ports 7 by laser micro-displacement sensor 5
Connected with computer 13, open computer 13, the program of laser micro-displacement sensor 5 is run on computer 13, to laser
Micro-displacement sensor 5 provides power supply, adjusts measurement distance, allows laser micro-displacement sensor 5 to start normal work.
In fig. 2, laser micro-displacement sensor 5 includes laser sensor shell 6 and the laser being arranged in shell hair
Emitter 8, CCD photoelectric detector 9, lens 10.Generating laser 8 starts transmitting light beam vertical irradiation on testee surface,
Then the laser facula on body surface is imaged from another angle by lens 10.Tested cell piece is shown in figure
Position 11 and tested precision rotation platform position 12.The position height of body surface illuminated laser spot is different, instrument sensing
The scattering or the angle of reflection light that device is received are also different.The position of laser image spot is measured with CCD photoelectric detector 9, it is possible to
The angle of principal reflection light is calculated, so that the position height of body surface Stimulated Light point of irradiation is calculated, then by data bit
Putting the numerical value of height can clearly indicate out by computer 13.Pass through the rotation of precision rotation platform 3, laser micro-displacement
Sensor 5 is able to measure the whole surface of cell piece 4, that is, measures the thickness of whole cell piece 4, the method by averaging,
The accurate data of the thickness of cell piece 4 can be obtained.First measure apart from precision rotation platform 3 apart from L2, then measure apart from battery
Piece 4 apart from L1, therefore the thickness of cell piece 4 is X=L2-L1, is averaged by multi-group data, can obtain solar-electricity
The exact value of pond piece thickness.
With the single-point laser micro-displacement thickness measurement technology of the present invention, the precision of measurement is not only improve only, and drop significantly
The low labor intensity of workman, improves production efficiency, and thickness is controlled in technique, it is possible to reduce production cost, carries
High technology level, can also improve the competitiveness of product.
First, in the technical scheme of new single site laser micro-displacement thickness measuring of the present invention, using photoelectric sensor, carry out non-connects
Touch is measured, and its static accuracy reaches 0.16 μm, 0.1 μm of display resolution, dynamic resolution：1~2 μm, not only than conventional
Contact type measurement substantially increases measurement accuracy, and non-contact measurement will not produce any shadow physically to cell piece
Ring, the influence to battery production technology caused by contact type measurement and the damage of cell piece will not be produced.
Second, in the design of single-point laser micro-displacement thickness measurement technology of the present invention, the Laser emission end of photoelectric sensor
It is directed at the cell piece rotated with precision rotation platform, the position that its small spot measured by diffusing reflection is carried by sensor
Sensing element area array CCD camera lens is received, and by its internal controller exploitation, is then conveyed directly to data to calculate
Machine, and clearly showed by computer display.This process is simple to operate without carrying out digital-to-analogue conversion again, and response
Time is extremely short, has been saved largely compared with measuring methods such as differential transformer type, electric vortex type, condenser type, inductance type, ultrasonic types
Quality time.
3rd, it is flat using C-shaped support and precision rotation in the design of single-point laser micro-displacement thickness measurement technology of the present invention
The combination of platform so that measurement apparatus has been compared differential transformer type, electric vortex type, condenser type, inductance type and ultrasonic type and surveyed
The measurement apparatus volume that the methods such as amount are used is smaller, and quality is lighter, and easy to install and dismounting.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.All essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649876.2A CN107202542A (en) | 2017-08-02 | 2017-08-02 | The measuring thickness device and thickness measuring method of a kind of solar battery sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710649876.2A CN107202542A (en) | 2017-08-02 | 2017-08-02 | The measuring thickness device and thickness measuring method of a kind of solar battery sheet |
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| CN107202542A true CN107202542A (en) | 2017-09-26 |
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| CN201710649876.2A Pending CN107202542A (en) | 2017-08-02 | 2017-08-02 | The measuring thickness device and thickness measuring method of a kind of solar battery sheet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941157A (en) * | 2017-11-15 | 2018-04-20 | 佛山杰致信息科技有限公司 | The measuring thickness device and thickness measuring method of a kind of solar battery sheet |
| CN110580879A (en) * | 2018-06-07 | 2019-12-17 | 华为技术有限公司 | Terminal device and display screen control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941157A (en) * | 2017-11-15 | 2018-04-20 | 佛山杰致信息科技有限公司 | The measuring thickness device and thickness measuring method of a kind of solar battery sheet |
| CN110580879A (en) * | 2018-06-07 | 2019-12-17 | 华为技术有限公司 | Terminal device and display screen control method |
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Application publication date: 20170926 |
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