CN112309940A - Transmission device suitable for thermal process of cadmium telluride cell thin-film solar cell - Google Patents
Transmission device suitable for thermal process of cadmium telluride cell thin-film solar cell Download PDFInfo
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- CN112309940A CN112309940A CN202011086139.4A CN202011086139A CN112309940A CN 112309940 A CN112309940 A CN 112309940A CN 202011086139 A CN202011086139 A CN 202011086139A CN 112309940 A CN112309940 A CN 112309940A
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- Prior art keywords
- steel
- transmission
- servo motor
- steel belt
- glass substrate
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000010409 thin film Substances 0.000 title claims abstract description 13
- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 12
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 239000011521 glass Substances 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010583 slow cooling Methods 0.000 claims description 10
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1828—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof the active layers comprising only AIIBVI compounds, e.g. CdS, ZnS, CdTe
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/543—Solar cells from Group II-VI materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a transmission device suitable for a thermal process of a cadmium telluride cell thin-film solar cell, which comprises a plurality of transmission units, wherein each transmission unit comprises a plurality of steel belts, a plurality of rolling shafts, a servo motor and a speed reducing mechanism; each rolling shaft is sleeved with the same position of a plurality of steel strips; each steel belt is supported by a plurality of rollers, and the plurality of rollers drive the steel belt to roll; the rolling shaft is electrically connected with the servo motor, and the servo motor is electrically connected with the speed reducing mechanism; the conveying section is provided with a position sensor, the position of the glass substrate is monitored in real time through the HMI and the observation window, and the position sensor is electrically connected with a servo motor in the conveying section. According to the invention, the position sensors and the observation windows are arranged in each transmission section of the equipment, and the position of the glass substrate is known in real time through the HMI and the observation windows, so that workers can conveniently control the glass substrate in real time; the roller and the steel belt can be well assembled together, the angular stroke of the servo motor is completely converted into the linear stroke of the steel belt, and the purpose of controlling the glass substrate in real time is achieved.
Description
Technical Field
The invention relates to the field of solar cell manufacturing, in particular to a transmission device suitable for a cadmium telluride cell thin film solar cell thermal process.
Background
The traditional cadmium telluride thin film solar cell heat treatment equipment mainly relies on a woven mesh belt for transmission, and the illuminated surface of the glass substrate is completely contacted with the woven mesh belt. Although the glass is well contacted with the woven mesh belt, the transmission is convenient; however, in the transmission process, relative displacement can be generated between the glass substrate and the mesh belt, which easily causes scratch on the illuminated surface of the glass substrate and uneven heating on the upper surface and the lower surface of the glass substrate, so that the glass is bent, the risk of fragments is greatly improved, and the yield of products is reduced.
In addition, the woven mesh belt is adopted to transmit the glass substrate, a certain amount of toxic and harmful substances can be generated in the production process, certain chemical erosion can be caused to the woven mesh belt, and meanwhile, the woven mesh belt can be repeatedly heated and cooled in the heat treatment process, so that the disturbance to the whole equipment temperature field is large, and the control of the equipment temperature is not facilitated.
There is a need in the market for an auxiliary transfer apparatus that reduces the contact area between a glass substrate and a transfer tool and stabilizes the temperature field during a thermal processing process.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a transmission device suitable for a cadmium telluride cell thin film solar cell thermal process.
The invention adopts the following technical scheme for solving the technical problems:
the transmission device suitable for the thermal process of the cadmium telluride cell thin-film solar cell comprises a plurality of transmission units which are arranged in sequence in a pairwise adjacent mode, wherein each transmission unit comprises a steel belt, a rolling shaft, a servo motor and a speed reducing mechanism; the two ends and the middle part of the rolling shaft are respectively sleeved with the steel belt in a sliding manner; the two ends of the steel belt are slidably supported through the rolling shafts, and the rolling shafts are connected to the middle of the steel belt in a sliding sleeved mode; the surface of the steel belt is provided with anti-skid patterns; the rolling shaft is electrically connected with the servo motor, and the servo motor is electrically connected with the speed reducing mechanism; the steel belt is made of 316; and a position sensor is arranged in the conveying area and is electrically connected with a servo motor in the conveying area, and the position of the glass substrate is monitored in real time through the HMI and the observation window.
Further, the width of the steel belt is 5-10 mm.
Further, the distance between two adjacent steel belts is 0.6-0.8 m; the length of the steel strip is 1.6-1.8 m.
Further, the distance between two adjacent rollers is 0.8-1.0 m; the length of the roller is 1.2-1.6 m.
Further, one side of the glass substrate during the conveyance is in contact with the surface of the steel belt.
Further, the conveying interval comprises a temperature rising section, a constant temperature section, a slow cooling section and a fast cooling section.
Furthermore, the transmission speed of the steel strip working in the transmission area is 0.5-3 m/min.
Further, the transmission speeds of the steel strip in the temperature rising section, the constant temperature section, the slow cooling section and the fast cooling section are sequentially decreased progressively.
Compared with the prior art, the transmission device suitable for the thermal process of the cadmium telluride cell thin-film solar cell provided by the invention has the following advantages:
firstly, the invention adopts high-quality 316L stainless steel as the raw material for processing the steel belt, improves the transmission stability through patterns on the steel belt, reduces the contact area between a transmission tool and a glass substrate by utilizing steel belt transmission compared with the traditional mesh belt transmission, and ensures the quality of a glass illuminated surface;
the 316L stainless steel has the characteristics of good high temperature resistance, corrosion resistance, small deformation and the like, so that the glass substrate is always in the environment of the set process temperature in the heat treatment process, the reliability of the equipment process is ensured, and the stability of the equipment temperature field is improved;
secondly, a position sensor and an observation window are arranged in each transmission section of the equipment, and the position of the glass substrate is known in real time through the HMI and the observation window, so that workers can conveniently control the glass substrate in real time;
the servo motor and the speed reducing mechanism work together to accurately control the transmission speed and ensure the position accuracy of the glass substrate;
the roller and the steel belt can be well assembled together, the angular stroke of the servo motor is completely converted into the linear stroke of the steel belt, and the purpose of controlling the glass substrate in real time is achieved.
Drawings
FIG. 1 is a schematic structural view of a transmission device suitable for a cadmium telluride cell thin film solar cell thermal process of the present invention;
wherein the various reference numbers are:
1-a roller; 2-steel strip.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
The embodiment provides a transmission device suitable for a thermal process of a cadmium telluride cell thin-film solar cell, which comprises a plurality of transmission units which are adjacently arranged in pairs in sequence, wherein each transmission unit comprises a steel belt, a rolling shaft, a servo motor and a speed reducing mechanism; two ends and the middle part of the rolling shaft are respectively sleeved with a steel belt in a sliding way; two ends of the steel belt are slidably supported through the rolling shaft, and the middle of the steel belt is slidably sleeved with the rolling shaft; the surface of the steel belt is provided with anti-skid patterns; the rolling shaft is electrically connected with the servo motor, and the servo motor is electrically connected with the speed reducing mechanism; the material of the steel strip is 316L.
As a preferred embodiment, the steel strip has a width of 10 mm; the distance between two adjacent steel belts is 0.8 m; the length of the steel strip is 1.8 m; the distance between two adjacent rollers is 1.0 m; the length of the roller was 1.6 m.
As a preferred embodiment, one side of the glass substrate is contacted with the surface of the steel belt in the transmission process, the transmission section comprises a temperature rising section, a constant temperature section, a slow cooling section and a fast cooling section, the transmission section is provided with a position sensor and an observation window, and the position of the glass substrate is monitored in real time through an HMI; the position sensor is matched with a servo motor in the transmission section; the transmission speed of the steel belt is 3m/min in a temperature rise section, 2.5m/min in a constant temperature section, 2.0m/min in a slow cooling section and 1.0m/min in a fast cooling section.
Example 2
The embodiment provides a transmission device suitable for a thermal process of a cadmium telluride cell thin-film solar cell, which comprises a plurality of transmission units which are adjacently arranged in pairs in sequence, wherein each transmission unit comprises a steel belt, a rolling shaft, a servo motor and a speed reducing mechanism; two ends and the middle part of the rolling shaft are respectively sleeved with a steel belt in a sliding way; two ends of the steel belt are slidably supported through the rolling shaft, and the middle of the steel belt is slidably sleeved with the rolling shaft; the surface of the steel belt is provided with anti-skid patterns; the rolling shaft is electrically connected with the servo motor, and the servo motor is electrically connected with the speed reducing mechanism; the material of the steel strip is 316L.
As a preferred embodiment, the steel strip has a width of 8 mm; the distance between two adjacent steel belts is 0.8 m; the length of the steel strip is 1.8 m; the distance between two adjacent rollers is 0.9 m; the length of the roller was 1.6 m.
As a preferred embodiment, one side of the glass substrate is contacted with the surface of the steel belt in the transmission process, the transmission section comprises a temperature rising section, a constant temperature section, a slow cooling section and a fast cooling section, the transmission section is provided with a position sensor and an observation window, and the position of the glass substrate is monitored in real time through an HMI; the position sensor is matched with a servo motor in the transmission section; the transmission speed of the steel belt is 3m/min in a temperature rise section, 2.1m/min in a constant temperature section, 1.8m/min in a slow cooling section and 1.0m/min in a fast cooling section.
Example 3
The embodiment provides a transmission device suitable for a thermal process of a cadmium telluride cell thin-film solar cell, which comprises a plurality of transmission units which are adjacently arranged in pairs in sequence, wherein each transmission unit comprises a steel belt, a rolling shaft, a servo motor and a speed reducing mechanism; two ends and the middle part of the rolling shaft are respectively sleeved with a steel belt in a sliding way; two ends of the steel belt are slidably supported through the rolling shaft, and the middle of the steel belt is slidably sleeved with the rolling shaft; the surface of the steel belt is provided with anti-skid patterns; the rolling shaft is electrically connected with the servo motor, and the servo motor is electrically connected with the speed reducing mechanism; the material of the steel strip is 316L.
As a preferred embodiment, the steel strip has a width of 9 mm; the distance between two adjacent steel belts is 0.9 m; the length of the steel strip is 1.7 m; the distance between two adjacent rollers is 0.9 m; the length of the roller is 1.4 m.
As a preferred embodiment, one side of the glass substrate is contacted with the surface of the steel belt in the transmission process, the transmission section comprises a temperature rising section, a constant temperature section, a slow cooling section and a fast cooling section, the transmission section is provided with a position sensor and an observation window, and the position of the glass substrate is monitored in real time through an HMI; the position sensor is matched with a servo motor in the transmission section; the transmission speed of the steel strip is 2.7m/min in the temperature rise section, 1.7m/min in the constant temperature section, 1.5m/min in the slow cooling section and 1.0m/min in the fast cooling section.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concept of the present invention should be within the scope of the claims of the present invention.
Claims (8)
1. The transmission device suitable for the thermal process of the cadmium telluride cell thin-film solar cell comprises a plurality of transmission units, wherein the transmission units are sequentially arranged along the transmission direction for working, and the transmission device is characterized by comprising a plurality of steel belts, a plurality of rolling shafts, a servo motor and a speed reducing mechanism; the same positions of a plurality of steel strips are sleeved on each rolling shaft; each steel belt is supported by a plurality of rolling shafts, and the plurality of rolling shafts drive the steel belts to roll; the surface of the steel belt is provided with anti-skid patterns; the rolling shaft is electrically connected with the servo motor, and the servo motor is electrically connected with the speed reducing mechanism; the steel belt is made of 316L; and a position sensor is arranged in the conveying area and is electrically connected with a servo motor in the conveying area, and the position of the glass substrate is monitored in real time through the HMI and the observation window.
2. The transmission aid of claim 1, wherein the steel belt has a width of 5-10 mm.
3. The transfer aid of claim 2, wherein the distance between two adjacent steel strips is 0.6-0.8 m; the length of the steel strip is 1.6-1.8 m.
4. The transmission aid according to claim 1, wherein the distance between two adjacent rollers on the same steel belt is 0.8 to 1.0 m; the length of the roller is 1.2-1.6 m.
5. The transportation assist device of claim 1, wherein one side of the glass substrate is in contact with a surface of the steel belt during transportation.
6. The transfer assist device of claim 1, wherein the transfer zones include a warming zone, a constant temperature zone, a slow cooling zone, and a fast cooling zone.
7. The transport aid according to claim 6, characterized in that the transport speed of the steel strip operating in the transport section is 0.5-3 m/min.
8. The conveyance assisting apparatus according to claim 6, wherein the conveyance speed of the steel strip is decreased in the temperature rising section, the temperature constant section, the slow cooling section, and the fast cooling section in this order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086139.4A CN112309940A (en) | 2020-10-12 | 2020-10-12 | Transmission device suitable for thermal process of cadmium telluride cell thin-film solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086139.4A CN112309940A (en) | 2020-10-12 | 2020-10-12 | Transmission device suitable for thermal process of cadmium telluride cell thin-film solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112309940A true CN112309940A (en) | 2021-02-02 |
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ID=74489706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011086139.4A Pending CN112309940A (en) | 2020-10-12 | 2020-10-12 | Transmission device suitable for thermal process of cadmium telluride cell thin-film solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112309940A (en) |
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|---|---|---|---|---|
| JP2002319547A (en) * | 2001-04-23 | 2002-10-31 | Sony Corp | Heating device for substrate of display panel |
| CN101525743A (en) * | 2009-04-23 | 2009-09-09 | 浙江嘉远格隆能源股份有限公司 | Method for depositing semi-conductor film on substrate by using close-space sublimation technology and device thereof |
| CN201605034U (en) * | 2009-12-30 | 2010-10-13 | 东莞宏威数码机械有限公司 | Sheet conveying device |
| CN201852437U (en) * | 2010-10-20 | 2011-06-01 | 青岛迈可威微波应用技术有限公司 | Tunnel continuous microwave high temperature heating furnace |
| CN205077102U (en) * | 2015-09-23 | 2016-03-09 | 宁波兴波机械有限公司 | High -efficient annealing stove convenient to remove |
| CN107062894A (en) * | 2017-03-31 | 2017-08-18 | 东莞市科隆威自动化设备有限公司 | A kind of two-wire dries sintering furnace |
| CN207792084U (en) * | 2017-08-18 | 2018-08-31 | 福建省港达玻璃制品有限公司 | A kind of glass panel transmission device |
| CN208994668U (en) * | 2018-08-01 | 2019-06-18 | 深圳市吉祥云科技有限公司 | A kind of F.F. for processing glass goes out band to band transfer module fastly |
| CN111571362A (en) * | 2020-05-22 | 2020-08-25 | 重庆嘉涌电子有限公司 | Glass member four-side polishing production line |
-
2020
- 2020-10-12 CN CN202011086139.4A patent/CN112309940A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002319547A (en) * | 2001-04-23 | 2002-10-31 | Sony Corp | Heating device for substrate of display panel |
| CN101525743A (en) * | 2009-04-23 | 2009-09-09 | 浙江嘉远格隆能源股份有限公司 | Method for depositing semi-conductor film on substrate by using close-space sublimation technology and device thereof |
| CN201605034U (en) * | 2009-12-30 | 2010-10-13 | 东莞宏威数码机械有限公司 | Sheet conveying device |
| CN201852437U (en) * | 2010-10-20 | 2011-06-01 | 青岛迈可威微波应用技术有限公司 | Tunnel continuous microwave high temperature heating furnace |
| CN205077102U (en) * | 2015-09-23 | 2016-03-09 | 宁波兴波机械有限公司 | High -efficient annealing stove convenient to remove |
| CN107062894A (en) * | 2017-03-31 | 2017-08-18 | 东莞市科隆威自动化设备有限公司 | A kind of two-wire dries sintering furnace |
| CN207792084U (en) * | 2017-08-18 | 2018-08-31 | 福建省港达玻璃制品有限公司 | A kind of glass panel transmission device |
| CN208994668U (en) * | 2018-08-01 | 2019-06-18 | 深圳市吉祥云科技有限公司 | A kind of F.F. for processing glass goes out band to band transfer module fastly |
| CN111571362A (en) * | 2020-05-22 | 2020-08-25 | 重庆嘉涌电子有限公司 | Glass member four-side polishing production line |
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Application publication date: 20210202 |