CN105372922B - A kind of mist screen generating meanss - Google Patents
A kind of mist screen generating meanss Download PDFInfo
- Publication number
- CN105372922B CN105372922B CN201510769275.6A CN201510769275A CN105372922B CN 105372922 B CN105372922 B CN 105372922B CN 201510769275 A CN201510769275 A CN 201510769275A CN 105372922 B CN105372922 B CN 105372922B
- Authority
- CN
- China
- Prior art keywords
- air
- mist
- fog
- mist screen
- drum type
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/608—Fluid screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Special Spraying Apparatus (AREA)
Abstract
The invention discloses a kind of mist screen generating meanss.The bottom of the mist screen generation cavity in the present invention produces the water fog particle of refinement by ultrasonic atomizatio shower nozzle array, and extraneous air enters window air inlet chamber through air, and the air that will be involved in by drum type fan is blowed on the left of cylinder.Mist sequentially passes through guide face in the middle part of high pressure mist ejecting device, linkage and deflector and projects high pressure fog, in the mist screen formed below of deflector.Wherein, linkage changes the direction of fog screen, and then forms veil of different shapes by adjustment guide face and the angle of deflector.The present invention have devised the guide face of veil using Coanda effect, it is ensured that the flatness of mist screen.Additionally, the present invention adopts unidirectional drum type fan, the fan assembly of traditional mist screen generator is not only simplified, and, there is part and air and isolated water and air chamber to separate in fog using division board, efficiently separated fan and fog, extended the life-span of device.
Description
Technical field
The invention belongs to ultrasonic atomization technique field in fluid, and in particular to a kind of mist screen generating meanss.
Background technology
Mist screen as a kind of new projection screen, with it is tangible, can interactive, dreamlike property it is strong the features such as, extensively can use
In fields such as stage performance, product introduction, market advertisement and square films.Its operation principle can be expressed as：By ultrasonic wave height
Frequency vibration is swung or the method such as high-pressure spray, makes water fogging as tiny steam microgranule；Again through the shaping of the devices such as fan, deflector
And water conservancy diversion, one layer of water smoke is formed in atmosphere.Video, picture etc. are projected on the water smoke layer, projection screen is just formed.
The content of the invention
The present invention is directed to the deficiencies in the prior art, there is provided a kind of new mist screen generating meanss, with simple structure, mist
Screen flatness it is good, it is easy to maintenance the advantages of.
To achieve these goals, technical scheme is as follows：
Three chambers and a division board are included in the device of the present invention, is followed successively by：Fog generation cavity, air chamber, high pressure mist
Ejecting device and division board.Described fog generation cavity is mainly used in the generation and refinement of fog；Described air chamber is mainly used
In being involved in of air, water conservancy diversion and release；Described high pressure mist screen project chamber be mainly used in the mixing of fog and air, rectification and
The driving of whole mist screen.
Described fog generation cavity mainly includes two parts：Ultrasonic atomization head array and fog defecator.Described
Ultrasonic atomization head array is made up of a series of ultrasonic atomization heads, by the ultrasound wave higher-order of oscillation, realizes the room temperature mist of water
Change；Water level detecting sensor is integrated with array, the detection and supplement for the water yield.Described defecator is used for the mistake of fog
Filter, it is to avoid bulky grain water smoke enters propulsion chamber.
Described air chamber includes：Air enters window, air filter, drum type fan.Extraneous air enters
Enter window, it is ensured that outside air is constantly flowed in a steady stream；Air enter window when through air filter, sky can be filtered
All of particulate material in gas；Air is sucked from the shaft end of drum type fan, is blown out in the left side of fan, due to the list for flowing
Tropism, has isolated air and water smoke, meanwhile, coordinate the effect of the division board of fog generation cavity and air chamber, effectively prevent wind
The failure problems of fan motor.Mutual of the fog total amount produced in the air total amount and fog generation cavity of drum type fan blowout
Match somebody with somebody, it is ensured that the uniform outflow of fog.
In the middle part of described high pressure mist ejecting device with a projecting surface, the face is an outwardly curved surface, knot
" Coanda effect " in the mechanics of interflow realizes the atomization of water body, and by Three-dimensional numerical calculation, has drawn the several of protrusion curved surface
What parameter；Linkage top in high pressure mist ejecting device is joined directly together with curved surface, and bottom is joined directly together with deflector, the hinge
Chain mechanism has locking function, and outlet deflector can be made at a certain angle with vertical shape, meanwhile, the linkage with step
Stepper motor is connected, and which accurately can be adjusted.
There is a tiny gap in the middle part of division board, for producing the high-speed air flow along projecting surface flowing, and then ensure
The formation of veil.
Beneficial effects of the present invention：In mist screen generation cavity, the present invention adopts the ultrasonic atomization shower nozzle of current comparative maturity,
Due to the uniformity of the device distribution, it is ensured that the uniformity of fog, while also saving the production cost of whole device.It is based on
The critical component projecting surface parameters of mist screen generating meanss are optimized design by " Coanda effect " in hydrodynamics, are protected
The generation of mist screen is demonstrate,proved.The application of unidirectional drum type fan, make entrance of the air from air chamber, it is to avoid mist screen water body is to unidirectional
The invasion of drum type fan.Meanwhile, the unidirectional drum type fan construction and device is installed and maintenance scheme, reduces the device
Production and maintenance cost.
This device has the advantages that small volume, simple structure, convenient for installation and maintenance.Especially fog supplying system sets
Meter, often simply simply uses conventional fan and is advanced by compulsion.And unidirectional, drum type fan of the present invention,
Equably can blow, it is ensured that the uniformity of mist screen, meanwhile, fan electromotor effectively prevent using baffle design make moist etc. and ask
Topic.Additionally, the present invention applies a drum type fan, efficiently avoid that traditional mist screen device is bulky, structure is lengthy and jumbled, dimension
The problems such as shield is complicated.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
In order that the innovative point of the present invention, technical scheme are definitely, further is made to the present invention below with reference to accompanying drawing
Explanation.It should be appreciated that involved noun discussed below and implementation, are only used for explaining the present invention, are not used to
Limit the present invention.
As shown in figure 1, this mist screen generating meanss include fog generation cavity 1, air chamber 2, high pressure mist ejecting device 3 and isolation
Plate 4.Ultrasonic atomization head array 11 is installed in the bottom of fog generation cavity 1, top is provided with fog defecator 12；Fog
Defecator 12 is installed on the top of fog generation cavity 1, for filtering the larger fog granule for generating, it is to avoid in propulsion chamber
Wall crystallizes to form water droplet.
In air chamber 2, air Jing windows 21 enter the chamber, meanwhile, through air filter 22, can cross in air filtering
All of particulate material.Drum type fan 23 in air chamber 2, is involved in the air of flowing from its shaft end, and from cylinder fan
Left side blowout, decline water smoke.What fan 23 was selected is unidirectional drum type fan, the air on the right side of fan is blown into left side super
In sound wave fog generation cavity 1.
Fog blowoff 3, comprising curved surface 31, hinge 32 and deflector 33.Fog is stitched through thin, in ' Coanda effect '
It is under effect, slowly sagging through deflector 33, form veil.Curved surface 31 is the curved surface that one piece of curvature is from top to bottom tapered into,
Major part is actually a thin seam, in order to reach preferably propulsion effect, the surfaces slippery enough of the curved surface.Fog adheres to
On curved surface, along curved surface gradually flow down.
The connection of linkage 32 curved surface 31 and outlet deflector 33, the linkage have locking function, can make outlet guide
Stream plate 31 is had a certain degree with vertical shape, and further, the linkage can make electric drive so as to adjusted more square
Just.
There is the crack that length L is 1 ~ 2 mm in the middle of division board 4, the air that drum type fan will be involved in blows to cylinder wind
The left side of fan, makes air form enough intensity by the crack, it is ensured that the generation of mist screen.
Apparatus of the present invention generate the detailed process of mist screen：The work of ultrasonic atomization head array 11 produces fog, through mist
After gas defecator 12, the fog of relative refinement is formed；Meanwhile, fan 23 runs, the guiding of pressure-air deflector 31, gas
Flow toward bottom, then the contraction at Jing gas outlets, release, form the larger air-flow of speed and enter inlet/outlet.Due to " Coanda effect ", on
Air stream is stated after into fog blowoff 3, by along raised curved surface 31（Pressure surface）Flow downward, simultaneously because gas
Fog around driving is flowed downward by the effect of viscosity, air stream, meanwhile, certain vacuum is formed above convex curvature
Degree, is conducive to newly-generated fog to add on pressure surface.
After flowing through pressure surface, air stream and fog stream are mutually mixed, and wherein fog accounts for major part；Gaseous mixture flows through outlet guide
After the guiding of stream plate, it is discharged in air, forms one piece of fog plane.Further, by adjusting linkage 32, can make
Mist screen is presented different angles in the air.
Further, said apparatus can make certain length or the module with certain angle, by disparate modules
Splicing, can be built into different length, or the mist screen with certain radian.
Claims (4)
1. a kind of mist screen generating meanss, including mist screen generation cavity (1), air chamber (2), high pressure mist ejecting device (3) and division board
(4)；Characterized in that, the bottom of fog generation cavity (1) is provided with ultrasonic atomization jet array (11), top is provided with fog
Defecator (12)；Air chamber (2) is included：Air enters window (21), air filter (22) and unidirectional drum type fan
(23)；One piece of raised guide face (31), guide face (31) top and gas outlet phase are provided with the middle part of high pressure mist ejecting device (3)
Even, there is linkage (32) lower end, is connected with following outlet deflector (33) by this linkage (32)；Mist screen generation cavity
(1) division board (4) is provided with and air chamber (2) between；
Guide face (31) in the middle part of described high pressure mist ejecting device (3) is an outwardly curved surface, crowning peak
With mist screen generation cavity (1) apart from D:5 mm≤D≤50 mm, length L of vertical direction crowning：2D≤L≤10D, it is raised
The radius of curvature R in face: 0.3D≤R≤2D；32 top of linkage in high pressure mist ejecting device (3) is straight with projecting surface (31)
Connect connected, bottom is joined directly together with deflector (33), and the linkage has locking function, can make outlet deflector (33) with
Vertical shape is at a certain angle, meanwhile, the linkage is connected with motor, and which accurately can be adjusted.
2. mist screen generating meanss described in claim 1, it is characterised in that：Ultrasonic atomization in described mist screen generation cavity (1)
Shower nozzle (11) be it is uniform gather, fog defecator (12) can filter in water body with diameter greater than or particulate matter equal to 1 μm.
3. mist screen generating meanss described in claim 1, it is characterised in that：The air that described air is involved in chamber (2) enters window
Mouthful (21), positioned at the shaft end of drum type fan, the roller bearing center superposition in horizontal direction with drum type fan, its diameter equivalent to
Air is involved in the 1/20-1/10 of chamber (2) height；Air enter the window when through air filter (22), sky can be filtered
In gas it is all with diameter greater than or particulate matter equal to 1 μm；Unidirectional drum type fan (23) in air chamber (2) can only by air from
Left side is blowed on the right side of drum type fan, and by division board (4), air is isolated with water smoke；In unit interval, drum-type wind
The fog total amount that the air total amount of fan blowout is produced with supersonic atomizer matches.
4. mist screen generating meanss described in claim 1, it is characterised in that：Described division board (4) is in high pressure mist ejecting device (3)
Top D ~ 3D at, have a length be L crack, 1 mm≤L≤2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769275.6A CN105372922B (en) | 2015-11-12 | 2015-11-12 | A kind of mist screen generating meanss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769275.6A CN105372922B (en) | 2015-11-12 | 2015-11-12 | A kind of mist screen generating meanss |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105372922A CN105372922A (en) | 2016-03-02 |
| CN105372922B true CN105372922B (en) | 2017-04-05 |
Family
ID=55375243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510769275.6A Active CN105372922B (en) | 2015-11-12 | 2015-11-12 | A kind of mist screen generating meanss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105372922B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656090A (en) * | 2019-02-13 | 2019-04-19 | 桂林电子科技大学 | A kind of stable mist screen generating device of high light transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929775Y (en) * | 2006-06-30 | 2007-08-01 | 苏伟林 | Fog screen generator |
| CN102253583A (en) * | 2011-05-30 | 2011-11-23 | 深圳华强文化科技集团股份有限公司 | Fog screen generator |
| RU2508603C1 (en) * | 2012-09-18 | 2014-02-27 | Дисплаир, Инк. | Method and apparatus for forming aerosol projection screen |
| CN203644361U (en) * | 2013-11-22 | 2014-06-11 | 杭州大田水景设备有限公司 | Mist screen |
| CN204129430U (en) * | 2014-10-12 | 2015-01-28 | 张锦汕 | A kind of mist screen forming devices |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8282214B2 (en) * | 2010-05-19 | 2012-10-09 | Disney Enterprises, Inc. | Display system using projection screens formed of flowing snow |
-
2015
- 2015-11-12 CN CN201510769275.6A patent/CN105372922B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929775Y (en) * | 2006-06-30 | 2007-08-01 | 苏伟林 | Fog screen generator |
| CN102253583A (en) * | 2011-05-30 | 2011-11-23 | 深圳华强文化科技集团股份有限公司 | Fog screen generator |
| RU2508603C1 (en) * | 2012-09-18 | 2014-02-27 | Дисплаир, Инк. | Method and apparatus for forming aerosol projection screen |
| CN203644361U (en) * | 2013-11-22 | 2014-06-11 | 杭州大田水景设备有限公司 | Mist screen |
| CN204129430U (en) * | 2014-10-12 | 2015-01-28 | 张锦汕 | A kind of mist screen forming devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105372922A (en) | 2016-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102205289B (en) | Atomizing sprayer | |
| CN106269331B (en) | Hydraulic spray nozzle | |
| CN102095236A (en) | Ventilation device | |
| CN102230482A (en) | Bladeless fan | |
| CN205731704U (en) | A kind of Multi-stage spiral atomizer | |
| TW201200257A (en) | Air dust collector | |
| CN104566363B (en) | A kind of many mechanism composite atomizing fuel nozzle structures | |
| CN102253583B (en) | Fog screen generator | |
| CN104001636A (en) | Water mist jetting machine | |
| CN105372922B (en) | A kind of mist screen generating meanss | |
| CN204320119U (en) | A kind of gas-liquid mixed injection apparatus | |
| CN105020757B (en) | A kind of fan structure of smoke exhaust ventilator forming artificial spout | |
| CN206356178U (en) | The jet-propelled vortex flow-guiding structure of remote spray engine | |
| CN205628353U (en) | Day with fog is penetrated in low noise atomizing | |
| CN107838819A (en) | nozzle structure | |
| CN207126693U (en) | A kind of special Crossed Circle shower nozzle of fog gun | |
| CN105134653B (en) | Airflow jetting device used for bladeless fan | |
| CN205718543U (en) | Energy-conservation spraying aerating and cooling tower | |
| CN206623280U (en) | A kind of semi-enclosed modeling pipe forming furnace | |
| CN205436087U (en) | Two -fluid atomizer | |
| CN104492011A (en) | Multi-nozzle water mist spray head | |
| CN203147970U (en) | Outer rotor type centrifugal humidifier | |
| CN208528311U (en) | A kind of double galvanometer station dust-extraction units | |
| CN204395284U (en) | A kind of multiinjector fine mist spray head | |
| CN203540735U (en) | Nozzle of convection drying oven for drying coated power lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |