CN106194834A - The nested type air exhausting structure of wind-tunnel - Google Patents
The nested type air exhausting structure of wind-tunnel Download PDFInfo
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- CN106194834A CN106194834A CN201510360488.3A CN201510360488A CN106194834A CN 106194834 A CN106194834 A CN 106194834A CN 201510360488 A CN201510360488 A CN 201510360488A CN 106194834 A CN106194834 A CN 106194834A
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Abstract
A kind of nested type air exhausting structure of wind-tunnel, connect with main frame bottom it, air inlet it is provided with in main frame, controller, high-speed motor and flabellum, flabellum is driven by high-speed motor, air enters from air inlet, after flabellum supercharging, form high pressure draught, in entrance high-pressure air hose, high-pressure air hose communicates with the high pressure air outlet of wind-tunnel, the nested type air exhausting structure of described wind-tunnel includes outer shroud and internal ring, high-pressure air hose is connected with internal ring, air-flow reflection ring cavity is constituted between outer wall and the inwall of outer shroud of internal ring, the rear portion, lateral wall of internal ring is provided with the first high pressure air outlet of annulus shape, the air-out direction of this first high pressure air outlet is towards the inwall of outer shroud, air-out is after the inwall of outer shroud reflects, air with moving air flow tore of reflection intracavity, guide the front of wind-tunnel.It utilizes the high pressure draught reflection to wind-tunnel inwall, drives air flowing, and mixes the air at internal ring center, it is achieved strengthens the effect of air-flow.
Description
Technical field
The present invention relates to a kind of air-supply arrangement on the products such as bladeless fan, air-conditioning, humidifier, air purifier, the nested type air exhausting structure of a kind of wind-tunnel.
Background technology
Herein, it is front that the air of definition wind-tunnel flows out direction, and it is rear that air enters the direction of wind-tunnel.
Since dyson limited is proposed vaneless fan on October 12nd, 2009, inventor James wears gloomy by this product referred to as " wearing gloomy air dupler " (dyson air multiplier), it is said, this fan utilizes fluid mechanics principle that air-flow can be made to strengthen 15 times, then makes air discharge from the rotation road of propeller-like with the speed of 118 gallons per second.
All of bladeless fan all comprises a construction of wind tunnel with Coanda effect (coanda effect), the blade of rotation is hidden in inside main frame by it, the inwall of wind-tunnel is provided with slot-shaped air outlet, and rotate compressed air by high-speed motor, form high speed winds to discharge along Coanda surface from slot-shaped air outlet, and the air flowing being further driven in wind-tunnel, reduce wind speed, increase throughput, formed and stablize lasting wind-force.Its novel structure, ensconces in flabellum in main frame, safe and reliable, is the technological revolution again to fan after box fan.
The structure with Coanda effect is arranged on the inwall of wind-tunnel by dyson limited, form the bell-mouth structure of air of an extension, China also has substantial amounts of fan manufacturer to wish to be engaged in the production of bladeless fan, suffer from this core technology by dyson limited patent, patent use cost is expensive, considerably increases production cost.
Summary of the invention
Technical problem to be solved in the utility model is to provide the air exhausting structure of a kind of novel bladeless fan, uses the structure of annular air to realize the effect that high-pressure blast slows down and increases throughput.
nullThe technical scheme in the invention for solving the above technical problem is: the nested type air exhausting structure of a kind of wind-tunnel，Connect with main frame bottom it，Air inlet it is provided with in main frame、Controller、High-speed motor and flabellum，Flabellum is driven by high-speed motor，Air enters from air inlet，After flabellum supercharging，Form high pressure draught，In entrance high-pressure air hose，High-pressure air hose communicates with the high pressure air outlet of wind-tunnel，It is characterized in that: the nested type air exhausting structure of described wind-tunnel includes outer shroud and internal ring，High-pressure air hose is connected with internal ring，Air-flow reflection ring cavity is constituted between outer wall and the inwall of outer shroud of internal ring，The rear portion, lateral wall of internal ring is provided with the first high pressure air outlet of annulus shape，The air-out direction of this first high pressure air outlet is towards the inwall of outer shroud，Air-out is after the inwall of outer shroud reflects，Air with moving air flow tore of reflection intracavity，Guide the front of wind-tunnel.
The inwall of described outer shroud is horn mouth shape, pre-large post-small, when the high-pressure blast of the first high pressure air outlet blowout is through the inwall of outer shroud, forms the air-flow spread forward, it is to avoid air-flow intersects, and causes windage losses.
The rear portion of described internal ring is circular arc or olive shape.
The axial length of described internal ring is less than the axial length of outer shroud, after this structure ensures air-flow reflection ring cavity, before leaving the air outlet of wind-tunnel, there is an air-flow hybrid chamber transition, after it makes the air mixing of air-flow reflection ring cavity and internal ring center cavity, jointly blow to the front of wind-tunnel, increase throughput.
The top of described internal ring front portion is provided with the second high pressure air outlet, and the air that it accelerates in air-flow hybrid chamber travels forward.
The cross section of described internal ring front portion is olive shape or triangle, and the second high pressure air outlet is arranged on the tip that internal ring is anterior, and this structure avoids Karman vortex street effect, reduces vibration and noise.
Being provided with three-hypers in the middle of the outer wall of described internal ring and extrude air port, air-out direction, facing to the inwall of outer shroud, after outer shroud inwall reflects, blows to the front of wind-tunnel.
One end of described high-pressure air hose is connected with the rear portion of internal ring, and the other end of high-pressure air hose is connected with the rear end of outer shroud inwall, and described high-pressure air hose is arc, collectively constitutes high pressure air channel with the cavity being arranged in outer shroud.
Compared with prior art, it is an advantage of the current invention that: it have employed dicyclo crack drain and the mode of reflective mixed airflow, by the high velocity air of the first high pressure air outlet after the inwall of outer shroud reflects, air in hybrid loop passage is forwards discharged, and reflect ring cavity gentle stream hybrid chamber by air-flow, amplify throughput further, attract the air within internal ring to be supplemented to air-flow hybrid chamber, form lasting wind-force.
Its internal ring moulding have employed hydromechanical principle, reduces air and enters the resistance of wind-tunnel internal ring, air-out direction can reduce again flow perturbation produced by Karman vortex street effect, reduce energy loss and vibrations, reduces noise.
In a second embodiment,；The front portion of internal ring is provided with the second high pressure air outlet, the air pressure of this air outlet is identical with the pressure of other high pressure air outlets, more than the blast sent from the first high pressure air outlet and after outer shroud inwall reflects, therefore when the air of air-flow reflection ring cavity outflow is through internal ring front portion, will not produce air flow swirl, this design can reduce interior ring vibration and noise.
This construction of wind tunnel is applied in the box electrical equipment such as air-conditioning, humidifier by the 3rd embodiment, the outer container of outer shroud and box electrical equipment is combined as a whole, and blast pipe is connected with the rear portion of internal ring, the design reduces blast pipe and the first high pressure air outlet is blocked, make the air output that wind-tunnel offer is bigger.
To this end, blast pipe is designed to arc shape by embodiment three kinds, and become air channel by the cavity groups being arranged on outer shroud, guide high-pressure blast to enter internal ring.
Accompanying drawing explanation
Fig. 1, the front view of embodiment one.
Fig. 2, the sectional view of embodiment one.
Fig. 3, the front view of embodiment two.
Fig. 4, the sectional view of embodiment two.
Fig. 5, the front view of embodiment three.
Fig. 6, the front view of embodiment four.
Fig. 7, embodiment three or the sectional view of embodiment four.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are further described.
The nested type air exhausting structure of wind-tunnel of the present invention, as air-supply arrangement, can be applicable on the products such as bladeless fan, air-conditioning, humidifier, air purifier.Bottom it, the main frame 5 with these products connects, and is provided with air inlet 4, controller, high-speed motor and flabellum in main frame, and flabellum is driven by high-speed motor, air enters 4 from air inlet and enters, after flabellum supercharging, forming high pressure draught, high-pressure air hose communicates with the high pressure air outlet of wind-tunnel of the present invention.
The nested type air exhausting structure of this wind-tunnel, including internal ring 2 nested each other and outer shroud 1 double-decker, it is provided with high pressure air outlet on the outer wall rear end of internal ring, the inwall of directive outer shroud, utilizes the annular gap between internal ring and outer shroud to form air-flow reflection cavity T1, and attracts the air at wind-tunnel rear to be supplemented to air-flow hybrid chamber T3 through internal ring center cavity T2 by internal ring, the most outwards dissipate, high-pressure blast is slowed down by this structure, and can increase throughput, is formed and stablizes lasting air-out.
Specifically, as depicted in figs. 1 and 2, this structure is applied in bladeless fan, uses as air exhausting structure.Bottom and the main frame 5 of outer shroud connect, and high-pressure air hose 3 connects through the bottom of outer shroud and the inner chamber of internal ring.The first high pressure air outlet 21 it is provided with on the outer wall rear end of internal ring.The air-out direction of the first high pressure air outlet is towards the inwall of outer shroud, after the reflection of outer shroud inwall, the front of directive wind-tunnel.
Generally, for the ease of regulation air outlet angle, the bottom of main frame is additionally provided with base 6, it is simple to the luffing angle of regulation air-out rotates with realizing wind-tunnel, it is achieved sector sweeps wind.
The rear portion 22 of described internal ring is circular arc or olive shape, and this shape meets hydrodynamics structure, enters air-flow reflection ring cavity and internal ring center cavity, reduce windage after being conducive to guiding air flow.
The inwall of described outer shroud is horn mouth shape, pre-large post-small, when the high-pressure blast of the first high pressure air outlet blowout is through the inwall of outer shroud, form the air-flow spread forward, blow out towards the front of wind-tunnel, (as shown in the direction of arrow of air-flow in figure), the air-flow after it avoids reflection intersects, and causes windage losses.
As shown in Figure 3 and Figure 4, on the basis of embodiment 1, further improvement has been done in the moulding to internal ring to embodiment two.The cross section of internal ring 2 front portion changes olive shape or triangle into, this moulding is with reference to the trailing edge formations design of wing, and the air inside and outside internal ring gradually mixes, it is to avoid in the front portion of internal ring, forms the rotation of air-flow, produces Karman vortex street effect, reduces vibration and noise.
In embodiment two, also being provided with the second high pressure air outlet 23 at the tip that internal ring is anterior, this high pressure air outlet is more thin, forms a high-pressure blast band, reduce and form cyclone after the air after outer shroud inwall reflects crosses internal ring front end, also can play the effect reducing vibration and noise.
Embodiment three and embodiment four, the nested type air exhausting structure for this wind-tunnel applies the schematic diagram on the box electrical equipment such as air-conditioning, humidifier.Wherein embodiment three has continued circular shape-designing, and embodiment four is polygon shape-designing.
In embodiment one and embodiment two, high-pressure air hose is arranged at the center bottom internal ring, and this structure support effect is preferable, and high-pressure air hose 3 has blocked a part of path of lower section the first high pressure air outlet 21.For solving this problem, as it is shown in fig. 7, in embodiment three and embodiment four, one end of high-pressure air hose 3 is arranged on the rear side of outer shroud inwall, the rear portion 22 of the other end and internal ring.For ensureing that gas circuit is smooth and easy, high-pressure air hose have employed arcuate structure.Inside outer shroud, also add outer shroud inner chamber 31, the air after high-speed motor and flabellum accelerate, enter high-pressure air hose further along outer shroud inner chamber after being introduced into outer shroud inner chamber, communicate with internal ring inner chamber.For ensureing effectively to support internal ring, described high-pressure air hose 3 can arrange many, be distributed between outer shroud and internal ring.
Embodiment three and embodiment four in addition to the second air outlet that the first high pressure air outlet and internal ring front end that are arranged on internal ring rear portion are arranged, the also middle part at endocyclic outer wall is provided with one or multi-channel three-hypers and extrudes air port, air-out direction is facing to the inwall of outer shroud, after outer shroud inwall reflects, blow to the front of wind-tunnel.
Claims (8)
1. the nested type air exhausting structure of a wind-tunnel, connect with main frame bottom it, air inlet it is provided with in main frame, controller, high-speed motor and flabellum, flabellum is driven by high-speed motor, air enters from air inlet, after flabellum supercharging, form high pressure draught, in entrance high-pressure air hose, high-pressure air hose communicates with the high pressure air outlet of wind-tunnel, it is characterized in that: the nested type air exhausting structure of described wind-tunnel includes outer shroud and internal ring, high-pressure air hose is connected with internal ring, air-flow reflection ring cavity is constituted between outer wall and the inwall of outer shroud of internal ring, the rear portion, lateral wall of internal ring is provided with the first high pressure air outlet of annulus shape, the air-out direction of this first high pressure air outlet is towards the inwall of outer shroud, air-out is after the inwall of outer shroud reflects, air with moving air flow tore of reflection intracavity, guide the front of wind-tunnel.
The nested type air exhausting structure of wind-tunnel the most according to claim 1, it is characterised in that: the inwall of described outer shroud is horn mouth shape, and diameter is pre-large post-small.
The nested type air exhausting structure of wind-tunnel the most according to claim 1, it is characterised in that: the rear portion of described internal ring is circular arc or olive shape.
The nested type air exhausting structure of wind-tunnel the most according to claim 1, it is characterised in that: the axial length of described internal ring is less than the axial length of outer shroud.
The nested type air exhausting structure of wind-tunnel the most according to claim 1, it is characterised in that: the top of described internal ring front portion is provided with the second high pressure air outlet, and the air that it accelerates in air-flow hybrid chamber travels forward.
The nested type air exhausting structure of wind-tunnel the most according to claim 5, it is characterised in that: the cross section of described internal ring front portion is olive shape or triangle, and the second high pressure air outlet is arranged on the tip that internal ring is anterior.
The nested type air exhausting structure of wind-tunnel the most according to claim 1, it is characterised in that: being provided with three-hypers in the middle of the outer wall of described internal ring and extrude air port, air-out direction, facing to the inwall of outer shroud, after outer shroud inwall reflects, blows to the front of wind-tunnel.
The nested type air exhausting structure of wind-tunnel the most according to claim 1, it is characterized in that: one end of described high-pressure air hose is connected with the rear portion of internal ring, the other end of high-pressure air hose is connected with the rear end of outer shroud inwall, described high-pressure air hose is arc, collectively constitutes high pressure air channel with the cavity being arranged in outer shroud.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081160 | 2015-02-05 | ||
| CN2015200811603 | 2015-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106194834A true CN106194834A (en) | 2016-12-07 |
| CN106194834B CN106194834B (en) | 2020-04-21 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510360488.3A Active CN106194834B (en) | 2015-02-05 | 2015-06-26 | Nested air outlet structure of wind tunnel |
| CN201520446811.4U Expired - Fee Related CN204783838U (en) | 2015-02-05 | 2015-06-26 | Nested formula air -out structure of wind -tunnel |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520446811.4U Expired - Fee Related CN204783838U (en) | 2015-02-05 | 2015-06-26 | Nested formula air -out structure of wind -tunnel |
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| CN (2) | CN106194834B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839135A (en) * | 2018-06-15 | 2018-11-20 | 重庆草衣木食文化传播有限公司 | A kind of wood routing device |
| CN110594176A (en) * | 2019-10-28 | 2019-12-20 | 深圳市主丰科技有限公司 | Intelligent wind tunnel fan |
| KR20200019373A (en) * | 2018-08-14 | 2020-02-24 | 박현석 | Bladeless Fans With Front And Rear Double Air Vents |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194834B (en) * | 2015-02-05 | 2020-04-21 | 张伟 | Nested air outlet structure of wind tunnel |
| CN106403111A (en) * | 2016-10-19 | 2017-02-15 | 深圳沃海森科技有限公司 | Constant-humidity air conditioner with low energy consumption function |
| US11781763B2 (en) * | 2020-01-13 | 2023-10-10 | Johnson Controls Tyco IP Holdings LLP | Air flow amplifier for HVAC system |
| CN111619315B (en) * | 2020-06-08 | 2022-05-17 | 吉利汽车研究院（宁波）有限公司 | Air outlet structure for vehicle air conditioning system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468328A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly with humidifier |
| CN102230482A (en) * | 2011-07-04 | 2011-11-02 | 李耀强 | Bladeless fan |
| CN202500835U (en) * | 2011-11-26 | 2012-10-24 | 格力电器（中山）小家电制造有限公司 | Floor type fan without fan blades and fan blade-free fan air duct thereof |
| CN202900773U (en) * | 2012-10-18 | 2013-04-24 | 宁波时荣电器科技有限公司 | Air outlet structure of bladeless fan |
| CN204783838U (en) * | 2015-02-05 | 2015-11-18 | 张伟 | Nested formula air -out structure of wind -tunnel |
-
2015
- 2015-06-26 CN CN201510360488.3A patent/CN106194834B/en active Active
- 2015-06-26 CN CN201520446811.4U patent/CN204783838U/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468328A (en) * | 2009-03-04 | 2010-09-08 | Dyson Technology Ltd | Fan assembly with humidifier |
| CN102230482A (en) * | 2011-07-04 | 2011-11-02 | 李耀强 | Bladeless fan |
| CN202500835U (en) * | 2011-11-26 | 2012-10-24 | 格力电器（中山）小家电制造有限公司 | Floor type fan without fan blades and fan blade-free fan air duct thereof |
| CN202900773U (en) * | 2012-10-18 | 2013-04-24 | 宁波时荣电器科技有限公司 | Air outlet structure of bladeless fan |
| CN204783838U (en) * | 2015-02-05 | 2015-11-18 | 张伟 | Nested formula air -out structure of wind -tunnel |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839135A (en) * | 2018-06-15 | 2018-11-20 | 重庆草衣木食文化传播有限公司 | A kind of wood routing device |
| KR20200019373A (en) * | 2018-08-14 | 2020-02-24 | 박현석 | Bladeless Fans With Front And Rear Double Air Vents |
| KR102096778B1 (en) * | 2018-08-14 | 2020-04-03 | 윤도식 | Bladeless Fans With Front And Rear Double Air Vents |
| CN110594176A (en) * | 2019-10-28 | 2019-12-20 | 深圳市主丰科技有限公司 | Intelligent wind tunnel fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106194834B (en) | 2020-04-21 |
| CN204783838U (en) | 2015-11-18 |
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