CN201620185U - Production apparatus of stannum alloy coating band for solar cell - Google Patents
Production apparatus of stannum alloy coating band for solar cell Download PDFInfo
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- CN201620185U CN201620185U CN2010201129106U CN201020112910U CN201620185U CN 201620185 U CN201620185 U CN 201620185U CN 2010201129106 U CN2010201129106 U CN 2010201129106U CN 201020112910 U CN201020112910 U CN 201020112910U CN 201620185 U CN201620185 U CN 201620185U
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- copper strips
- air
- air knives
- tin
- pressurized gas
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Abstract
The utility model provides a production apparatus of a stannum alloy coating belt for solar cell, which comprises a stannum furnace, a copper belt feeding mechanism, a copper belt guide mechanism, a copper belt hoisting collection mechanism and an air knife system. The air knife system comprises two air knives, a compressed gas conveying pipeline and a pressure regulating valve, two air knives are relatively arranged at two sides of the copper belt which are hoisted upwards, and the air knife port faces to the copper belt, the compressed gas conveying pipeline is respectively communicated with two air knives, the pressure regulating valve is mounted on the compressed gas pipeline. According to the utility model, the controllability of the stannum coating layer thickness is good; the process is easy, the utility model is convenient for operation, the appearance of the stannum coating layer surface is good, the production efficiency is improved more than 20 times compared to the prior art.
Description
Technical field
The utility model relates to solar cell, relates in particular to the production equipment of the tin alloy-coated band of a kind of used for solar batteries.
Background technology
The tin alloy-coated band of used for solar batteries is to produce by the surface-coated one deck tin at copper strips.The present mode of production mainly is to adopt common hot dip process to be coated with tin.
The thickness that copper strip surface is coated with the tin layer is subjected to the influence of copper strips adsorption effect in lifting process, with tin liquor the pulling speed of the wetting property of copper strips, the viscosity that is coated with tin liquor, copper strips is had direct relation.The viscosity that wherein is coated with tin liquor is again the function that is coated with the tin liquor temperature, by Hydrodynamics Theory as can be known:
In the formula, A is a constant, E
μBe viscosity activation energy, R is a gas law constant, and T is an absolute temperature.
Copper strips will be handled through sufficient soldering flux before hot dipped tinning, and therefore under the hot dipped tinning situation, tin liquor and copper strips soak into fully, and pulling speed belongs to the delay scope in this process, so can think that the copper strip surface state is little to the influence of velocity distribution.Therefore, the surface is coated with the function that the thickness of tin layer is pulling speed and tin liquor temperature.
Under the support of above-mentioned theory, now mostly be without other special aftertreatments, adopt by control copper strips process the tin furnace temperature with and pulling speed directly control the thickness that copper strip surface is coated with the tin layer.Therefore, this has also just limited the production efficiency of the tin alloy-coated band of used for solar batteries.Present domestic photovoltaic industry has reached 5000 tons to the annual requirement of the tin alloy-coated band of used for solar batteries, and when adopting above-mentioned technology, the speed of the tin alloy-coated band of used for solar batteries can only reach 4 meters/minute～8 meters/minute, influence the raising of production line output greatly, can not satisfy the demand of modern photovoltaic industry far away.
The utility model content
The purpose of this utility model exactly in order to address the above problem, provides a kind of production equipment of the tin alloy-coated band of used for solar batteries that can enhance productivity greatly.
In order to achieve the above object, the utility model has adopted following technical scheme: the production equipment of the tin alloy-coated band of a kind of used for solar batteries, comprise that tin stove, copper strips discharge mechanism, copper tape guide mechanism and copper strips promote receiving mechanism, its point is, also comprise the air knife system, this air knife system comprises two air knives, pressurized gas transfer line and pressure regulator valve, two air knives are oppositely arranged on the both sides of the copper strips that upwards promotes and air knife mouth towards copper strips, the pressurized gas transfer line is communicated with respectively with two air knives, and pressure regulator valve is installed on the pressurized gas pipeline.
The spacing of described two air knives and copper strips is 20-40mm, and two air knives are downward-sloping with respect to copper strips respectively, and the angle of inclination is 0～10 degree but spends greater than 0.
Totally two of described pressure regulator valves are installed in respectively on the pressurized gas transfer line that closes on two air knives.
Described air knife system also comprises two weather gages, and two weather gages are installed in respectively on the pressurized gas transfer line that closes on two air knives.
The production equipment of the tin alloy-coated band of the utility model used for solar batteries compared with prior art has following advantage and characteristics:
One, it is good to be coated with the tin thickness controllability:
Can regulate the gaseous tension of two air knives outlets by two pressure regulator valves respectively, being coated with tin thickness can increase with gaseous tension and reduce, and reduces and increases with gaseous tension, and control is coated with the thickness of tin layer flexibly;
Two, production efficiency improves:
Prior art mainly is to come control surface to be coated with the thickness of tin layer by control copper strips pulling speed and tin liquor temperature from tin liquor, and under the fixed temperature, the copper strips pulling speed can only be controlled at 4 meters/minute～8 meters/minute; And after adopting device of the present utility model, under same temperature, the copper strips pulling speed can be brought up to 150 meters/minute, by the control blast, realizes that control surface is coated with the thickness of tin layer.So just improve production efficiency greatly, also be easy to realize the big production of mass-producing, adapted to the demand of photovoltaic industry instantly.
Three, technology is easy, is convenient to operation:
Operator only need set atmospheric pressure value according to the corresponding tin alloy-coated band specification of processing condition, and add tin material, collecting shaft in equipment running process.Therefore this device operation is very easy, is easy to extensively promote the use of.
Four, it is good to be coated with tin laminar surface outward appearance:
The surface detail of the tin alloy-coated band of producing by one type of prior art syringe is less, not intensive; The tin alloy-coated belt surface decorative pattern that adopts device of the present utility model to produce is intensive, helps being welded to connect of solar battery sheet.
Description of drawings
Fig. 1 is the structural representation of the production equipment of the tin alloy-coated band of the utility model used for solar batteries.
Embodiment
Referring to Fig. 1, the production equipment of the tin alloy-coated band of the utility model used for solar batteries, comprise that tin stove 1, copper strips discharge mechanism 2, copper tape guide mechanism 3, copper strips promote receiving mechanism 4 and air knife system, this air knife system comprises two air knives 5, pressurized gas transfer line 6, pressure regulator valve 7 and weather gage 8.Two air knives are oppositely arranged on the both sides of the copper strips that upwards promotes and air knife mouth towards copper strips 9, and pressurized gas transfer line 6 is communicated with respectively with two air knives 5, and pressure regulator valve 7 is installed on the pressurized gas pipeline 6.Totally two of pressure regulator valves 7 are installed in respectively on the pressurized gas transfer line 6 that closes on two air knives.Totally two of weather gages 8 are installed in respectively on the pressurized gas transfer line 6 that closes on two air knives.It is by electric machine control traction copper strips that copper strips promotes receiving mechanism 4, thereby reaches the purpose of control copper strips pulling speed.The spacing of two air knives and copper strips is respectively 20-40mm, and two air knives are downward-sloping with respect to copper strips respectively, and the angle of inclination is 0～10 degree but spends greater than 0.
Two air knives 5 in the utility model can be preferably that copper strips 9 two sides are unnecessary tin remove; Pressure regulator valve 7 is used to regulate the size of the air pressure that is sent to air knife; Weather gage 8 is used for monitoring in real time the size of air pressure, cooperates with pressure regulator valve, realizes the control to air pressure.
Employed source of the gas can be selected different gas according to the practice demand in the utility model, as air or nitrogen.
On the pressurized gas transfer line, also be provided with the desiccant dehumidification machine, be used for removing effectively the steam of gas, guarantee to be sent to the gaseous mass of air knife, help improving the quality that is coated with the tin layer.
Principle of work of the present utility model is, in the hot tinning process because the effect of adsorption effect, when copper strips when in the tin stove, promoting at a high speed, the tin liquor that sticks to copper strip surface is far away more than the required amount of tin layer that be coated with of tin alloy-coated band.When it passed through air knife, pressurized gas formed the air-flow as cutter by the slit of air knife, " scrapes " with certain speed and opens the tin liquor that is bonded at copper strip surface.Gas with certain pressure produces downward pressure to the tin liquor that " being scraped " opens simultaneously, and itself and copper strips are peeled off, and flows back to the tin stove.The air-flow that blows to copper strip surface vertically is being a successive laterally being uniformly, when air pressure certain, copper strips pulling speed one regularly, the tin layer of then staying copper strip surface also is uniform.By pilot-gas pressure and pulling speed, can control the thickness that is coated with the tin layer effectively.Be coated with the tin copper strips and beginning to cool down, and dish is gone into the rewinding dish in the copper strips lifting receiving mechanism through behind the air knife.This technology is applied in the production of the tin alloy-coated band of used for solar batteries, has accelerated the efficient of producing greatly.
Claims (4)
1. the production equipment of the tin alloy-coated band of used for solar batteries, comprise that tin stove, copper strips discharge mechanism, copper tape guide mechanism and copper strips promote receiving mechanism, it is characterized in that: also comprise the air knife system, this air knife system comprises two air knives, pressurized gas transfer line and pressure regulator valve, two air knives are oppositely arranged on the both sides of the copper strips that upwards promotes and air knife mouth towards copper strips, the pressurized gas transfer line is communicated with respectively with two air knives, and pressure regulator valve is installed on the pressurized gas pipeline.
2. the production equipment of the tin alloy-coated band of used for solar batteries as claimed in claim 1 is characterized in that: the spacing of described two air knives and copper strips is 20-40mm, and two air knives are downward-sloping with respect to copper strips respectively, and the angle of inclination is 0～10 degree but spends greater than 0.
3. the production equipment of the tin alloy-coated band of used for solar batteries as claimed in claim 1 is characterized in that: totally two of described pressure regulator valves are installed in respectively on the pressurized gas transfer line that closes on two air knives.
4. the production equipment of the tin alloy-coated band of used for solar batteries as claimed in claim 1 is characterized in that: described air knife system also comprises two weather gages, and two weather gages are installed in respectively on the pressurized gas transfer line that closes on two air knives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201129106U CN201620185U (en) | 2010-02-11 | 2010-02-11 | Production apparatus of stannum alloy coating band for solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201129106U CN201620185U (en) | 2010-02-11 | 2010-02-11 | Production apparatus of stannum alloy coating band for solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201620185U true CN201620185U (en) | 2010-11-03 |
Family
ID=43023642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201129106U Expired - Fee Related CN201620185U (en) | 2010-02-11 | 2010-02-11 | Production apparatus of stannum alloy coating band for solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201620185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104513943B (en) * | 2014-12-26 | 2017-01-11 | 江阴爱康光伏焊带有限公司 | Slow production device for tinned copper strip |
-
2010
- 2010-02-11 CN CN2010201129106U patent/CN201620185U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104513943B (en) * | 2014-12-26 | 2017-01-11 | 江阴爱康光伏焊带有限公司 | Slow production device for tinned copper strip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20130211 |