CN113532090A - Air knife and solar cell wet processing equipment - Google Patents

Air knife and solar cell wet processing equipment Download PDF

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Publication number
CN113532090A
CN113532090A CN202010304716.6A CN202010304716A CN113532090A CN 113532090 A CN113532090 A CN 113532090A CN 202010304716 A CN202010304716 A CN 202010304716A CN 113532090 A CN113532090 A CN 113532090A
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CN
China
Prior art keywords
cavity
air
shell
air knife
air inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010304716.6A
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Chinese (zh)
Inventor
张淋
袁成
韩方亚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Boamax Technologies Industrial Co ltd
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Suzhou Boamax Technologies Industrial Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN202010304716.6A priority Critical patent/CN113532090A/en
Publication of CN113532090A publication Critical patent/CN113532090A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
    • 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
    • Y02E10/547—Monocrystalline silicon PV cells
    • 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)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses an air knife and solar cell wet processing equipment, wherein the air knife comprises a first shell and a second shell, and the first shell is connected with the opening end of the second shell; the first shell is provided with a first cavity, the surface of the first shell is provided with an air inlet, and the air inlet is communicated with the first cavity; the height of the middle part of the first cavity is greater than the height of the two ends of the first cavity; the second housing includes a first surface; the second shell is provided with a second cavity which is communicated with the first cavity; a plurality of air exhaust channels are arranged on the first surface, the air exhaust channels are communicated with the second cavity, the extension direction of the air exhaust channels is perpendicular to the first surface, and the included angle between each air exhaust channel and the length direction of the second shell is equal; the invention enables the air inlet pressure and the air inlet quantity to meet the requirements; and through setting up a plurality of air exhaust channels, make air knife air-out is even and the angle is the same, has optimized the direction of air-out and the pressure distribution on the silicon chip to a certain extent, reduces the fragment rate when improving the effect of drying by blowing.

Description

Air knife and solar cell wet processing equipment
Technical Field
The invention relates to the field of solar cell wet processing equipment, in particular to an air knife and solar cell wet processing equipment.
Background
The solar cell is a device for converting solar energy into electric energy through photoelectric reaction, and most of the existing solar cells are realized by a silicon PN junction structure. In the process of processing the solar cell, many processes performed on solar cell wet processing equipment relate to cleaning or spraying of liquid medicine, so that the liquid medicine on the silicon wafer needs to be removed and the silicon wafer needs to be dried before the next process is performed.
In the prior art, an air knife is generally adopted to dry the silicon wafer. The existing air outlet is a hole, and the acting force area of wind pressure on the surface of the silicon wafer is a point, so that the unit area of the stressed silicon wafer is small, the pressure of gas can be increased in order to completely remove liquid on the silicon wafer, and at the moment, the silicon wafer is easily broken by blowing due to the small stressed area and the large pressure of the silicon wafer.
Based on the defects in the prior art, an air knife and a solar cell wet processing device need to be researched to solve the problems.
Disclosure of Invention
In order to solve the technical problems, the invention discloses an air knife and solar cell wet processing equipment, wherein the air knife and the solar cell wet processing equipment meet the requirements on air inlet pressure and air inlet quantity by arranging a first cavity and a second cavity; and through setting up a plurality of air exhaust channels, make air knife air-out is even and the angle is the same, has optimized the direction of air-out and the pressure distribution on the silicon chip to a certain extent, reduces the fragment rate when improving the effect of drying by blowing.
The invention discloses an air knife which comprises a first shell and a second shell, wherein one end of the second shell is open, and the first shell is connected with the open end of the second shell;
the first shell is internally provided with a first cavity, the surface of the first shell is provided with an air inlet, and the air inlet is communicated with the first cavity; the height of the middle part of the first cavity is greater than the height of the two ends of the first cavity;
the second housing includes a first surface disposed opposite the open end; a second cavity is formed in the second shell and communicated with the first cavity; the first surface of the second shell is provided with a plurality of air exhaust channels, the air exhaust channels are communicated with the second cavity, the extending direction of the air exhaust channels is perpendicular to the first surface, and the included angle between each air exhaust channel and the length direction of the second shell is equal.
Further, a guide plate is arranged in the first shell, and the guide plate is arranged in parallel with the first surface.
Furthermore, a plurality of flow guide holes are formed in the flow guide plate, and the axes of the flow guide holes are perpendicular to the first surface; the first cavity is communicated with the second cavity through the diversion hole.
Further, the first shell comprises a second surface, the second surface is perpendicular to the first surface, and the air inlet is arranged in the middle of the second surface.
Further, the first shell is further provided with an air inlet pipe, and the air inlet pipe is communicated with the air inlet.
Further, the second shell also comprises a third surface, the third surface is arranged in parallel with the second surface, and an included angle between the air exhaust channel and the third surface ranges from 15 degrees to 30 degrees.
Furthermore, a plurality of the exhaust channels are uniformly distributed on the first surface.
Furthermore, the air exhaust channel is a strip-shaped opening, and the air exhaust channels are arranged in parallel.
Further, the volume of the first shell is larger than that of the second shell, and the center line of the first shell is coincident with that of the second shell.
The invention also discloses solar cell wet processing equipment which comprises a conveyor belt, a fixed seat and the air knife, wherein the conveyor belt and the air knife are both connected with the fixed seat;
the silicon wafer to be dried is placed on the conveying belt, and the air knife is arranged above or below the conveying belt.
Due to the technical scheme, the invention has the following beneficial effects:
according to the air knife provided by the invention, when air enters the first cavity from the air inlet, the air spreads from the middle part of the first cavity to the two ends because the height of the middle part of the first cavity is greater than that of the two ends, so that the air is uniformly distributed in the first cavity; the air vertically enters the second cavity through the flow guide holes, so that the air is uniformly distributed in the second cavity, the air is finally blown out through the vertically arranged air exhaust channels, the speed of the air blown out by each air exhaust channel tends to be equal at the moment, and the blowing angles of the air are the same, so that the air knife uniformly blows out air, the air outlet direction and the pressure distribution on the silicon wafer are optimized, the drying effect is improved, and the fragment rate is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a front view of the air knife according to the embodiment of the present invention;
FIG. 2 is an isometric view of the air knife provided by an embodiment of the present invention;
FIG. 3 is a side view of the air knife provided by an embodiment of the present invention;
FIG. 4 is a top view of the air knife provided by the embodiment of the present invention;
FIG. 5 is a cross-sectional view of the air knife in the direction A-A according to the present invention;
fig. 6 is a cross-sectional view of the air knife in the direction B-B according to the embodiment of the present invention.
In the figure: 1-a first housing; 2-a second housing; 11-a first cavity; 12-an air inlet; 13-a deflector; 14-a second surface; 15-an air inlet pipe; 21-a first surface; 22-a second cavity; 23-an exhaust channel; 24-a third surface; 131-diversion holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The prior art has the following defects: the existing air outlet is a hole, and the acting force area of wind pressure on the surface of the silicon wafer is a point, so that the unit area of the stressed silicon wafer is small, and the silicon wafer is easily broken by blowing.
Aiming at the defects of the prior art, when gas enters the first cavity from the air inlet, the middle of the first cavity is higher than the two ends of the first cavity, so that the gas spreads from the middle of the first cavity to the two ends of the first cavity, and the gas is uniformly distributed in the first cavity; the air vertically enters the second cavity through the flow guide holes, so that the air is uniformly distributed in the second cavity, the air is finally blown out through the vertically arranged air exhaust channels, the speed of the air blown out by each air exhaust channel tends to be equal at the moment, and the blowing angles of the air are the same, so that the air knife uniformly blows out air, the air outlet direction and the pressure distribution on the silicon wafer are optimized, the drying effect is improved, and the fragment rate is reduced.
Example 1
Referring to fig. 1 to 6, the invention discloses an air knife and a solar cell wet processing device, wherein the air knife comprises a first shell 1 and a second shell 2, one end of the second shell 2 is open, and the first shell 1 is connected with the open end of the second shell 2;
a first cavity 11 is formed inside the first shell 1, an air inlet 12 is formed in the surface of the first shell 1, and the air inlet 12 is communicated with the first cavity 11; wherein, the height of the middle part of the first cavity 11 is greater than the height of the two ends of the first cavity 11;
the second housing 2 comprises a first surface 21, the first surface 21 being disposed opposite the open end; the second shell 2 is internally provided with a second cavity 22, and the second cavity 22 is communicated with the first cavity 11; a plurality of air exhaust channels 23 are arranged on the first surface 21 of the second casing 2, the air exhaust channels 23 are communicated with the second cavity 22, the extending direction of the air exhaust channels 23 is perpendicular to the first surface 21, and the included angle between each air exhaust channel 23 and the length direction of the second casing 2 is equal.
It should be noted that: in this embodiment, the gas enters the first cavity 11 through the air inlet 12, and because the height of the middle of the first cavity 11 is greater than the heights of the two ends, the gas spreads from the middle of the first cavity 11 to the two ends, so that the gas is uniformly distributed in the first cavity 11; the gas in the first chamber 11 enters the second chamber 22, and due to the shape of the second housing 2, the gas pressure in the second chamber 22 is equal everywhere, so the velocity of the gas blown out from each of the exhaust channels 23 tends to be equal, and the fragmentation rate of the silicon wafer is reduced to some extent.
Specifically, the cross-section of the first housing 1 can be seen as a combination of a triangle and a rectangle, and the first cavity 11 is similar to the first housing 1 in shape but has different dimensions. The main purpose of providing said first cavity 11 in such a shape is: the gas can be uniformly dispersed, the air inlet pressure can be uniform, the gas can spread from the middle part of the first cavity 11 to the two ends, and the pressure in the first cavity 11 is basically equal.
Specifically, the first cavities 11 are symmetrically arranged along a center line of the first cavity 11, and along the length direction of the first housing 1, the height of the first cavity 11 gradually transitions from a first height to a second height, then gradually transitions from the second height to the first height, the length gradually transitioning from the first height to the second height is a first length, and the length gradually transitioning from the second height to the first height is a second length; wherein the first height is less than the second height, and the first length is equal to the second length.
Specifically, the first casing 1 and the second casing 2 are respectively cast, and the first casing 1 and the second casing 2 are welded and fixed, so that the first casing 1 and the second casing 2 are relatively sealed, the first cavity 11 is communicated with the second cavity 22, and the air can only be blown out from the exhaust channel 23.
Specifically, the lengths of the first casing 1 and the second casing 2 are equal, the length of the first cavity 11 is equal to the length of the second cavity 22, the length of the plurality of diversion holes 131 arranged on the diversion plate 13 is approximately equal to the length of the first cavity 11, and the length of the plurality of exhaust channels 23 arranged on the first surface 21 is approximately equal to the length of the second cavity 22.
Preferably, a baffle 13 is further disposed inside the first casing 1, and the baffle 13 is disposed in parallel with the first surface 21.
Preferably, the baffle 13 is provided with a plurality of baffle holes 131, and the axes of the baffle holes 131 are perpendicular to the first surface 21; the first cavity 11 is communicated with the second cavity 22 through the diversion hole 131.
Specifically, the gas in the first cavity 11 enters the second cavity 22 through the flow guide plate 13, and the flow guide plate 13 plays a certain guiding role.
Specifically, the axis of the diversion hole 131 is perpendicular to the diversion plate 13 for the purpose of making the gas in the first cavity 11 vertically enter the second cavity 22, and the central line of the exhaust channel 23 is perpendicular to the first surface 21 for the main purpose of: the air in the second cavity 22 is blown out vertically by the air exhaust channel 23.
Specifically, the centers of a plurality of the guiding holes 131 are in a straight line, and the main purpose of this arrangement is to: the gas in the first cavity 11 uniformly enters the second cavity 22 through the plurality of flow guide holes 131, so that the gas pressure in the second cavity 22 is equalized everywhere.
Specifically, the diversion holes 131 are circular holes, and the diameter of the diversion holes 131 can be set to be in the range of 5-8 mm.
Preferably, the first housing 1 includes a second surface 14, the second surface 14 is perpendicular to the first surface 21, and the air inlet 12 is disposed in the middle of the second surface 14.
Preferably, the first housing 1 is further provided with an air inlet pipe 15, and the air inlet pipe 15 is communicated with the air inlet 12.
Preferably, the second casing 2 further comprises a third surface 24, the third surface 24 is arranged in parallel with the second surface 14, and the included angle between the exhaust channel 23 and the third surface 24 ranges from 15 ° to 30 °.
Specifically, according to fig. 6, the distance a between two adjacent exhaust channels 23 ranges from 30 to 50mm, and the distance between two adjacent exhaust channels 23 is set according to actual conditions.
Preferably, a plurality of said exhaust air channels 23 are evenly distributed over said first surface 21.
Specifically, the distance between two adjacent exhaust passages 23 is equal.
Preferably, the air exhaust channel 23 is a long strip-shaped opening, and the air exhaust channels 23 are arranged in parallel.
In other embodiments, the shape of the exhaust duct 23 may be an ellipse, as long as it is ensured that the major axis of the ellipse is much larger than the minor axis of the ellipse.
In another embodiment, the shape of the exhaust duct 23 is not specified, as long as the exhaust duct 23 is an elongated slit having a width of 0.5-1 mm.
Preferably, the volume of the first housing 1 is larger than the volume of the second housing 2, and the center line of the first housing 1 coincides with the center line of the second housing 2.
Specifically, the center line of the first cavity 11 and the center line of the second cavity 22 coincide.
The air flow process in the air knife is as follows: when the gas enters the first cavity 11 from the air inlet pipe 15, the gas spreads from the middle of the first cavity 11 to both sides due to the shape of the first cavity 11, and is finally uniformly distributed in the first cavity 11. The gas enters the second cavity 22 through the plurality of flow guide holes 131 on the flow guide plate 13, the gas is uniformly distributed in the second cavity 22, the gas is blown out from the exhaust channels 23, and the pressure and the amount of the gas blown out from each exhaust channel 23 are equal.
The invention also discloses solar cell wet processing equipment which comprises a conveyor belt, a fixed seat and the air knife, wherein the conveyor belt and the air knife are both connected with the fixed seat; the silicon wafer to be dried is placed on the conveying belt, and the air knife is arranged above or below the conveying belt. The solar cell wet processing equipment with the air knife can blow the silicon wafers on the conveyor belt dry, so that the drying effect is improved to a certain extent, and the fragment rate is reduced.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. An air knife is characterized by comprising a first shell (1) and a second shell (2), wherein one end of the second shell (2) is open, and the first shell (1) is connected with the open end of the second shell (2);
a first cavity (11) is formed in the first shell (1), an air inlet (12) is formed in the surface of the first shell (1), and the air inlet (12) is communicated with the first cavity (11); wherein the height of the middle part of the first cavity (11) is greater than the height of the two ends of the first cavity (11);
the second housing (2) comprising a first surface (21), the first surface (21) being disposed opposite the open end; the second shell (2) is internally provided with a second cavity (22), and the second cavity (22) is communicated with the first cavity (11); a plurality of air exhaust channels (23) are arranged on the first surface (21) of the second shell (2), the air exhaust channels (23) are communicated with the second cavity (22), the extending direction of the air exhaust channels (23) is perpendicular to the first surface (21), and the included angle between each air exhaust channel (23) and the length direction of the second shell (2) is equal.
2. An air knife according to claim 1, characterised in that a deflector (13) is arranged inside the first casing (1), the deflector (13) being arranged parallel to the first surface (21).
3. An air knife according to claim 2, characterized in that the deflector (13) is provided with a plurality of deflector holes (131), the axes of the deflector holes (131) being arranged perpendicular to the first surface (21); the first cavity (11) is communicated with the second cavity (22) through the diversion hole (131).
4. An air knife according to claim 3, characterised in that the first housing (1) comprises a second surface (14), the second surface (14) being arranged perpendicular to the first surface (21), the air inlet (12) being arranged in the middle of the second surface (14).
5. An air knife according to claim 4, characterised in that the first housing (1) is further provided with an air inlet duct (15), the air inlet duct (15) communicating with the air inlet opening (12).
6. An air knife according to claim 4, characterised in that the second casing (2) further comprises a third surface (24), the third surface (24) being arranged parallel to the second surface (14), the angle between the air discharge channel (23) and the third surface (24) being in the range 15 ° -30 °.
7. An air knife according to claim 6, characterised in that a number of said air discharge channels (23) are evenly distributed over said first surface (21).
8. An air knife according to claim 7, characterized in that the air exhaust channel (23) is an elongated opening, and a plurality of air exhaust channels (23) are arranged in parallel.
9. An air knife according to claim 8, characterised in that the volume of the first housing (1) is larger than the volume of the second housing (2) and that the centre line of the first housing (1) coincides with the centre line of the second housing (2).
10. A solar cell wet processing device, which is characterized by comprising a conveyor belt, a fixed seat and an air knife according to any one of claims 1 to 9, wherein the conveyor belt and the air knife are connected with the fixed seat;
the silicon wafer to be dried is placed on the conveying belt, and the air knife is arranged above or below the conveying belt.
CN202010304716.6A 2020-04-17 2020-04-17 Air knife and solar cell wet processing equipment Pending CN113532090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010304716.6A CN113532090A (en) 2020-04-17 2020-04-17 Air knife and solar cell wet processing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010304716.6A CN113532090A (en) 2020-04-17 2020-04-17 Air knife and solar cell wet processing equipment

Publications (1)

Publication Number Publication Date
CN113532090A true CN113532090A (en) 2021-10-22

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CN202010304716.6A Pending CN113532090A (en) 2020-04-17 2020-04-17 Air knife and solar cell wet processing equipment

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886476Y (en) * 2005-07-15 2007-04-04 深圳市龙岗区龙岗爱联宇宙机器设备厂 Strong wind cutter
CN201532092U (en) * 2009-09-29 2010-07-21 四川长虹电器股份有限公司 Air knife structure
CN104019650A (en) * 2014-06-13 2014-09-03 刘宏毅 Drying air cutter for glass cleaning machine
CN204255040U (en) * 2014-08-28 2015-04-08 广州明毅电子机械有限公司 A kind of inclined mouth type air knife
CN105226133A (en) * 2015-10-13 2016-01-06 苏州宝馨科技实业股份有限公司 A kind of air knife and there is the wet processing equipment of air knife
CN207936716U (en) * 2018-02-07 2018-10-02 南通英菲新能源有限公司 Automatic drier for solar cell module production
CN209042994U (en) * 2018-09-18 2019-06-28 北京铂阳顶荣光伏科技有限公司 Air blade device and cleaning machine
CN212378461U (en) * 2020-04-17 2021-01-19 苏州宝馨科技实业股份有限公司 Air knife and solar cell wet processing equipment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2886476Y (en) * 2005-07-15 2007-04-04 深圳市龙岗区龙岗爱联宇宙机器设备厂 Strong wind cutter
CN201532092U (en) * 2009-09-29 2010-07-21 四川长虹电器股份有限公司 Air knife structure
CN104019650A (en) * 2014-06-13 2014-09-03 刘宏毅 Drying air cutter for glass cleaning machine
CN204255040U (en) * 2014-08-28 2015-04-08 广州明毅电子机械有限公司 A kind of inclined mouth type air knife
CN105226133A (en) * 2015-10-13 2016-01-06 苏州宝馨科技实业股份有限公司 A kind of air knife and there is the wet processing equipment of air knife
CN207936716U (en) * 2018-02-07 2018-10-02 南通英菲新能源有限公司 Automatic drier for solar cell module production
CN209042994U (en) * 2018-09-18 2019-06-28 北京铂阳顶荣光伏科技有限公司 Air blade device and cleaning machine
CN212378461U (en) * 2020-04-17 2021-01-19 苏州宝馨科技实业股份有限公司 Air knife and solar cell wet processing equipment

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