CN103801781A - Heat radiation type welding method and device applied to solar battery pieces - Google Patents
Heat radiation type welding method and device applied to solar battery pieces Download PDFInfo
- Publication number
- CN103801781A CN103801781A CN201410068226.5A CN201410068226A CN103801781A CN 103801781 A CN103801781 A CN 103801781A CN 201410068226 A CN201410068226 A CN 201410068226A CN 103801781 A CN103801781 A CN 103801781A
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- Prior art keywords
- heat radiation
- preheating
- solar battery
- radiation type
- rotating shaft
- Prior art date
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 40
- 230000005855 radiation Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0053—Soldering by means of radiant energy soldering by means of I.R.
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- 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
Abstract
The invention discloses a heat radiation type welding method and device applied to solar battery pieces. The heat radiation type welding device comprises an infrared heating device, a pressing needle device and a preheating device, the pressing needle device is placed below the infrared heating device, and the infrared heating device and the pressing needle device are arranged in the middle of the preheating device. According to the design scheme provided by the heat radiation type welding method and device, interconnecting strips can be firmly welded to main grid lines on the front faces and the back faces of the solar battery pieces, so that the heating temperature is even, the heat influence area is small, the heat radiation type welding method and device are applied to weld the fragile solar battery pieces, the breakage ratio is low, the material subfissure phenomena are fewer, and the welding quality consistency is good. Meanwhile, the welding time and temperature controllability is good, and automatic control over the welding time and the welding temperature can be achieved.
Description
Technical field
The present invention relates to be applied to solar battery sheet heat radiation type welding method and device.
Background technology
Solar module be after multiple battery strings are welded by busbar by EVA, backboard, poly (methyl methacrylate) plate lamination high-temperature laminating forms; Wherein battery strings is that cell piece is connected bunchiness by welding by being connected on solar battery sheet, to reach the technical requirement that improves solar cell output voltage.Traditional manual welding is by artificial first monolithic welding, rear series welding, and operation is more, and required personnel are also more, because being subject to the impact of manual skill, battery strings appearance and size is unstable, is prone to rosin joint again, the phenomenons such as solder skip, cell piece is inconsistent because of internal stress simultaneously, easily cracks with cracked.Artificial welding weak point is brought very large difficulty to organization of production and quality control and production cost control.
Summary of the invention
For above-mentioned technological deficiency, the invention provides a kind of frangible silicon sheet material heat radiation type welding technique and welder of the operation for solar battery sheet welding bunchiness.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
Be applied to solar battery sheet heat radiation type welding method, comprise the steps,
Adopt 6 preheating tables to carry out priority preheating to cell piece, the temperature of these 6 preheating tables arranges T1, T2, T3, T4, T5 and T6 respectively, described temperature T 3>T2=T4>T1=T5> T6, on the 3rd preheating table by infrared light sources optically focused the welding position that needs at this cell piece, infiltrate behind welding position until be heated into liquid scolding tin, stop the heating of infrared light sources optically focused.
In embodiments of the invention, comprise infrared heating device, pressing device and preheating device, pressing device is placed in described infrared heating device below, and described infrared heating device, described pressing device are placed in described preheating device middle part; Described preheating device comprises 6 heating plates.
In embodiments of the invention, comprise preheating device; Described preheating device comprises 6 thermocouple sensors and 12 heating rods, and described each heating rod and each thermocouple sensor are placed in described each heating plate bottom.
In embodiments of the invention, also comprise infrared ray pneumatic tipping device, described infrared ray pneumatic tipping device comprises lifting cylinder, upset cylinder, bearing block and rotating shaft, described infrared heating device connects described bearing block, described bearing block built-in bearing, described brearing bore is installed rotating shaft, and rotating shaft two ends are arranged on the rotating shaft support ring flange that is positioned at bearing block two ends, described lifting cylinder is arranged on vertical track, can slide up and down along this vertical track; Described upset cylinder one end and lifting cylinder are fixed, and the other end is connected with described rotating shaft and can promotes described rotating shaft rotation, is provided with screw at rotating shaft support ring flange, can limit rotating shaft rotation by described screw.
In embodiments of the invention, described infrared heating device comprises infrared heating slide block, two optical axises, screw mandrels and is placed in the adjusting knob of screw mandrel one end, described heating slide block inside is provided with infrared lamp, at the intrinsic parabolic shape reflector in the top of described infrared lamp; Described heating slider top is provided with two axle sleeves, and the described collar is set in respectively on described optical axis, and described screw mandrel is located between two optical axises.
In embodiments of the invention, described pressing device comprises shadow shield, pressing and cylinder, and described cylinder is placed on base, is fixed with postive stop baffle in cylinder both sides, and described shadow shield is placed in the both sides of described pressing, and described cylinder promotes described pressing and moves up and down.
The present invention has following remarkable technique effect:
According to design provided by the present invention, interconnecting strip can firmly be welded on the main grid line of solar battery sheet positive and negative, even because thering is heating-up temperature, heat-affected zone is little, be applied in the welding of frangible solar battery sheet, have breakage rate low, material is hidden, and to split phenomenon few, welding quality high conformity.Weld interval and temperature controllability are good simultaneously, can realize the automation control to weld interval and welding temperature.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention;
Fig. 2 is the structural representation of infrared ray pneumatic tipping device and infrared heating device;
Fig. 3 is the structural representation of pressing device;
Fig. 4 is the structural representation of infrared heating device;
Fig. 5 is the dissection schematic diagram of infrared heating device;
Fig. 6 is the structural representation of heating slide block;
Fig. 7 is the structural representation of preheating device;
Fig. 8 is the temperature height schematic diagram that six preheating tables are set.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, one is applied to solar battery sheet heat radiation type welder, comprise infrared heating device 7, pressing device 5 and preheating device 9, pressing device 5 is placed in described infrared heating device 7 belows, and described infrared heating device 7, described pressing device 5 are placed in described preheating device 9 middle parts.
As shown in Figure 1, Figure 2 and Figure 4, infrared ray pneumatic tipping device 2 and infrared heating device 7, described outside line pneumatic tipping device comprises lifting cylinder 1, upset cylinder 3, rotating shaft 33 and bearing block 32, described infrared heating device 7 connects described bearing block 32, described bearing block 32 built-in bearings, described brearing bore is installed rotating shaft 33, and rotating shaft two ends are arranged on the rotating shaft support ring flange 4 that is positioned at bearing block 32 two ends; , described lifting cylinder 1 is arranged on vertical track 10, can slide up and down along this vertical track 10; Described upset cylinder 3 one end and lifting cylinder 1 are fixing, the other end is connected with described rotating shaft and can promotes described rotating shaft rotation by connecting portion 14, thereby realize the outside upset of infrared heating device 7, be provided with screw at rotating shaft support ring flange 4, can limit rotating shaft rotation by described screw, staff changes after infrared lamp infrared heating device 7, by the inside upset of infrared heating device 7, realizes the replacing of infrared lamp by infrared ray pneumatic tipping device 2.
As shown in Figure 4, Figure 5 and Figure 6, described infrared heating device comprises infrared heating slide block 13, two optical axises 12, screw mandrels 20 and is placed in the adjusting knob 11 of screw mandrel 20 one end, described screw mandrel 20 by bearing block 19 across at infrared heating device two ends, thereby described adjusting knob 11 can regulate the lateral attitude of heating slide block 13 in spinning in and out.
As shown in Figure 6, described heating slide block 13 inside are equipped with infrared lamp 21, at the intrinsic parabolic shape reflector 22 in the top of described infrared lamp 21; IR is by the optically focused of reflector 22, by energy being focused on after eyeglass 25 on the welding rod of solar panel, described heating slider top is provided with two axle sleeves 26, and described axle sleeve 26 is set in respectively on described optical axis 12, and described screw mandrel 20 is located between two optical axises 12.
Described preheating device 9 comprises 6 thermocouple sensors, 12 heating rods and 6 heating plates, and as shown in Figure 7, described each heating rod 29 and each thermocouple sensor 27 are placed in described each heating plate 30 bottoms.
As shown in Figure 3, described pressing device 5 comprises shadow shield 15, pressing 31 and cylinder 6, and described cylinder 6 is placed on base, be fixed with postive stop baffle (16 in cylinder 6 both sides, 17), described shadow shield 15 is placed in the both sides of described pressing 31, and described cylinder 6 promotes described pressing 31 and moves up and down.Described pressing 31 can be pushed down described welding rod, make its tightly touch cell piece.
As shown in Figure 8, in order to reduce the temperature difference because of cell piece self and IR welding, avoid cell piece cracked, apparatus of the present invention adopt the method preheating cell piece of preheating.By the temperature of six preheating tables is set, set preheat temperature curve.It is electrical bar and thermocouple temperature sensor that heater element is equipped with in preheating table inside, the control preheat temperature at energy scenic spot, adopt 6 preheating tables to carry out priority preheating to cell piece, the temperature of these 6 preheating tables arranges T1, T2, T3, T4, T5 and T6 respectively, described temperature T 3>T2=T4>T1=T5> T6, on the 3rd preheating table by infrared light sources optically focused the welding position that needs at this cell piece, infiltrate behind welding position until be heated into liquid scolding tin, stop the heating of infrared light sources optically focused.
When work, cell piece enters preheated zone, welding region, cooled region successively.Enter after welding region at cell piece, cell piece rests on welding region below, and welding compressing structure presses to the welding put area on cell piece, and infrared light sources is now in holding state.Afterwards, infrared light sources enters ladder
Temperature rise period, until reach the temperature required requirement of welding procedure and keep the corresponding time; Now scolding tin, by the solid-state liquid state that enters into, infiltrates the position that requires welding to greatest extent.Then, enter cooling stage, preheating device continues as cell piece heating, and cell piece naturally cools to room temperature comparatively slowly, and scolding tin liquid state progressively enters solid-state, and welding completes.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (6)
1. one kind is applied to solar battery sheet heat radiation type welding method, it is characterized in that, comprise the steps, adopt 6 preheating tables to carry out priority preheating to cell piece, the temperature of these 6 preheating tables arranges T1, T2, T3, T4, T5 and T6 respectively, described temperature T 3>T2=T4>T1=T5> T6, on the 3rd preheating table by infrared light sources optically focused the welding position that needs at this cell piece, infiltrate behind welding position until be heated into liquid scolding tin, stop the heating of infrared light sources optically focused.
2. what an application rights required method described in 1 is applied to solar battery sheet heat radiation type welder, it is characterized in that, comprise infrared heating device, pressing device and preheating device, pressing device is placed in described infrared heating device below, and described infrared heating device, described pressing device are placed in described preheating device middle part; Described preheating device comprises 6 heating plates.
3. the solar battery sheet heat radiation type welder that is applied to according to claim 2, is characterized in that, comprises preheating device; Described preheating device comprises 6 thermocouple sensors and 12 heating rods, and described each heating rod and each thermocouple sensor are placed in described each heating plate bottom.
4. the solar battery sheet heat radiation type welder that is applied to according to claim 2, it is characterized in that, also comprise infrared ray pneumatic tipping device, described infrared ray pneumatic tipping device comprises lifting cylinder, upset cylinder, bearing block and rotating shaft, described infrared heating device connects described bearing block, described bearing block built-in bearing, described brearing bore is installed rotating shaft, rotating shaft two ends are arranged on the rotating shaft support ring flange that is positioned at bearing block two ends, described lifting cylinder is arranged on vertical track, can slide up and down along this vertical track; Described upset cylinder one end and lifting cylinder are fixed, and the other end is connected with described rotating shaft and can promotes described rotating shaft rotation, is provided with screw at rotating shaft support ring flange, can limit rotating shaft rotation by described screw.
5. the solar battery sheet heat radiation type welder that is applied to according to claim 2, it is characterized in that, described infrared heating device comprises infrared heating slide block, two optical axises, screw mandrels and is placed in the adjusting knob of screw mandrel one end, described heating slide block inside is provided with infrared lamp, at the intrinsic parabolic shape reflector in the top of described infrared lamp; Described heating slider top is provided with two axle sleeves, and the described collar is set in respectively on described optical axis, and described screw mandrel is located between two optical axises.
6. the solar battery sheet heat radiation type welder that is applied to according to claim 2, it is characterized in that, described pressing device comprises shadow shield, pressing and cylinder, described cylinder is placed on base, be fixed with postive stop baffle in cylinder both sides, described shadow shield is placed in the both sides of described pressing, and described cylinder promotes described pressing and moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410068226.5A CN103801781B (en) | 2012-06-07 | 2012-06-07 | Be applied to solar battery sheet heat radiation type welding method and device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187064.8A CN102699464B (en) | 2012-06-07 | 2012-06-07 | Thermal radiation type welding method and device applied to solar cell |
| CN201410068226.5A CN103801781B (en) | 2012-06-07 | 2012-06-07 | Be applied to solar battery sheet heat radiation type welding method and device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210187064.8A Division CN102699464B (en) | 2012-06-07 | 2012-06-07 | Thermal radiation type welding method and device applied to solar cell |
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| Publication Number | Publication Date |
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| CN103801781A true CN103801781A (en) | 2014-05-21 |
| CN103801781B CN103801781B (en) | 2016-02-17 |
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| CN201210187064.8A Active CN102699464B (en) | 2012-06-07 | 2012-06-07 | Thermal radiation type welding method and device applied to solar cell |
| CN201410068226.5A Active CN103801781B (en) | 2012-06-07 | 2012-06-07 | Be applied to solar battery sheet heat radiation type welding method and device |
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| CN201210187064.8A Active CN102699464B (en) | 2012-06-07 | 2012-06-07 | Thermal radiation type welding method and device applied to solar cell |
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| CN105436730A (en) * | 2015-12-30 | 2016-03-30 | 宁夏小牛自动化设备有限公司 | Infrared heating welding device and method thereof as well as series welding machine |
| CN105562974A (en) * | 2016-03-09 | 2016-05-11 | 昆山九华电子设备厂 | Infrared welding device |
| CN105880785A (en) * | 2014-10-22 | 2016-08-24 | 深圳市鑫鸿华太阳能有限公司 | Solar cell piece series welding device |
| CN106392354A (en) * | 2016-11-17 | 2017-02-15 | 江苏赛拉弗光伏系统有限公司 | Automatic manufacturing mechanism for solar cells |
| CN106881546A (en) * | 2017-04-15 | 2017-06-23 | 无锡奥特维科技股份有限公司 | A kind of cell piece series welding system |
| CN107192467A (en) * | 2016-03-15 | 2017-09-22 | 苏州沃特维自动化系统有限公司 | A kind of device for detecting temperature of welding of battery film |
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| CN102699464B (en) * | 2012-06-07 | 2014-07-16 | 康奋威科技（杭州）有限公司 | Thermal radiation type welding method and device applied to solar cell |
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| CN105562974A (en) * | 2016-03-09 | 2016-05-11 | 昆山九华电子设备厂 | Infrared welding device |
| CN107192467A (en) * | 2016-03-15 | 2017-09-22 | 苏州沃特维自动化系统有限公司 | A kind of device for detecting temperature of welding of battery film |
| CN107192467B (en) * | 2016-03-15 | 2023-09-05 | 苏州沃特维自动化系统有限公司 | Temperature monitoring device for welding battery piece |
| CN106392354A (en) * | 2016-11-17 | 2017-02-15 | 江苏赛拉弗光伏系统有限公司 | Automatic manufacturing mechanism for solar cells |
| CN106392354B (en) * | 2016-11-17 | 2018-10-12 | 江苏赛拉弗光伏系统有限公司 | A kind of solar battery sheet automated manufacturing mechanism |
| CN106881546A (en) * | 2017-04-15 | 2017-06-23 | 无锡奥特维科技股份有限公司 | A kind of cell piece series welding system |
| CN107968129A (en) * | 2017-12-21 | 2018-04-27 | 君泰创新（北京）科技有限公司 | Photovoltaic cell processing technology and photovoltaic cell string weldering solidification equipment |
| WO2019119805A1 (en) * | 2017-12-21 | 2019-06-27 | 君泰创新（北京）科技有限公司 | Photovoltaic cell machining process and photovoltaic cell series welding and curing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103801781B (en) | 2016-02-17 |
| CN102699464A (en) | 2012-10-03 |
| CN102699464B (en) | 2014-07-16 |
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Address after: Hangzhou City, Zhejiang province 310053 Binjiang District East Road No. 1805 Patentee after: Hangzhou Comfirmware Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310053 Binjiang District East Road No. 1805 Patentee before: ConfirmWare Technology (Hangzhou) Incorporated |