CN103470543B - A kind of without blade fan - Google Patents
A kind of without blade fan Download PDFInfo
- Publication number
- CN103470543B CN103470543B CN201210184780.0A CN201210184780A CN103470543B CN 103470543 B CN103470543 B CN 103470543B CN 201210184780 A CN201210184780 A CN 201210184780A CN 103470543 B CN103470543 B CN 103470543B
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- China
- Prior art keywords
- grid
- longitudinal
- exhaust outlet
- blade fan
- nozzle
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of without blade fan, comprise base, pedestal and nozzle, described pedestal is positioned on base, nozzle is fixed on pedestal, described nozzle is elongate shape, reduces gradually from bottom to top, and described nozzle arranges wind-guiding fin in exhaust outlet inside; Described wind-guiding fin comprises horizontal grid and longitudinal grid, described horizontal grid is in exhaust outlet inside hierarchal arrangement from bottom to top, and it is short to be distributed in middle horizontal grid length, upper and lower two-part horizontal grid is broadening gradually, and described longitudinal grid is connected and symmetrical setting with the horizontal grid of every layer.By provided by the invention without blade fan, while making fan safe, attractive in appearance, the air-flow with stability can be derived.
Description
Technical field
The present invention relates to fan component, refer to a kind of without blade fan especially.
Background technique
At present, general domestic fan normally comprises drive unit and one group of blade around central rotation, and drive unit makes air motion by the running controlling blade, thus makes user feel nice and cool.
The air-flow flowing forward that the blade of this fan produces can not be experienced uniformly, this change due to the surface striding across blade surface or stride across fan punching outside causes, due to pulse or the interference of blowing of a series of air, so user can feel that air-flow is uneven or disorderly.Can change and may even all change to another from an independent fan across blade surface or across the change on other fan surface according to product difference.Such fan has parts outstanding from device simultaneously, and user can contact any parts of fan, thus this fan poor safety performance.
Summary of the invention
In view of this, the object of the invention is to propose one without blade fan, while making fan safe, attractive in appearance, the air-flow with stability can be derived.
Provided by the invention without blade fan based on above-mentioned purpose, comprise base, pedestal and nozzle, described pedestal is positioned on base, nozzle is fixed on pedestal, described nozzle is elongate shape, reduces gradually from bottom to top, and described nozzle arranges wind-guiding fin in exhaust outlet inside;
Described wind-guiding fin comprises horizontal grid and longitudinal grid, described horizontal grid is in exhaust outlet inside hierarchal arrangement from bottom to top, and it is short to be distributed in middle horizontal grid length, the horizontal grid of upper and lower two halves section is broadening gradually, and described longitudinal grid is connected with the horizontal grid of every layer and the center line be arranged to along exhaust outlet is symmetrical.
Optionally, the angle of described horizontal grid layer distributed below centre and centre is substantially horizontal, is distributed in middle above horizontal grid and increases gradually in the horizontal direction at angle of inclination from bottom to top.
Optionally, the angle that described horizontal grid tilts in the horizontal direction is 0 ° ~-5 °, and length is 10mm ~ 80mm.
Optionally, the interlamellar spacing of described horizontal grid layer distributed is 13mm ~ 19mm.
Preferably, the interlamellar spacing of described horizontal grid layer distributed is 17.7mm.
Optionally, the exhaust outlet midline position of described nozzle arranges a longitudinal grid, extends to exhaust outlet top.
Optionally, longitudinal grating thickness that the exhaust outlet midline position of described nozzle is arranged is 1mm ~ 5mm.
Preferably, longitudinal grating thickness that the exhaust outlet midline position of described nozzle is arranged is 3.5mm.
Optionally, two longitudinal grids of each symmetrical arrangement of longitudinal grid the right and left of the exhaust outlet midline position of described nozzle, and extend to respectively on the internal face of described nozzle.
Optionally, longitudinal grid the right and left of the exhaust outlet midline position of described nozzle respectively arranges that the thickness of two longitudinal grids is 0.5mm ~ 3mm.
Preferably, longitudinal grid the right and left of the exhaust outlet midline position of described nozzle respectively arranges that the thickness of two longitudinal grids is 1mm.
Optionally, described longitudinal grid width is 5mm ~ 80mm.
Preferably, described longitudinal grid width is 10mm.
Optionally, two longitudinal grids of the symmetry that described exhaust outlet center line the right and left is respectively arranged are 0.3mm ~ 3mm, 0.6mm ~ 6mm with the distance of longitudinal grid of midline position respectively.
Preferably, two longitudinal grids of the symmetry that described exhaust outlet center line the right and left is respectively arranged are 1.3mm, 2.6mm with the distance of longitudinal grid of midline position respectively.
Optionally, the distance of described distribution horizontal grid bottom and described nozzle lower end is 20mm, and is closed area.
As can be seen from above, one provided by the invention comprises base, pedestal and nozzle without blade fan, and described pedestal is positioned on base, nozzle is fixed on pedestal, described nozzle is elongate shape, reduces gradually from bottom to top, and described nozzle arranges wind-guiding fin in exhaust outlet inside; Described wind-guiding fin comprises horizontal grid and longitudinal grid, described horizontal grid layer distributed and to be distributed in middle horizontal grid length short, upper and lower two-part horizontal grid is broadening gradually, and described longitudinal grid is connected and symmetrical setting with the horizontal grid of every layer.Not only overcome the potential safety hazard of conventional fan, and the design of nozzle and pedestal is unique, modern design is attractive in appearance.Further by the design of the horizontal grid of wind-guiding fin unique in the present invention and longitudinal cell structure, what make the exhaust outlet place of nozzle have certain area and an angle blows to user, thus can derive the air-flow with stability.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention without blade fan;
Fig. 2 is the side partial sectional view of the embodiment of the present invention without blade fan nozzle;
Fig. 3 is the forward structure schematic diagram without blade fan nozzle of the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Consult shown in Fig. 1, for the embodiment of the present invention is without the perspective view of blade fan, described comprising base 101 for supporting whole fan without blade fan, being fixed on the spherical pedestal 102 on base, being fixed on the nozzle 103 of the elongate shape on pedestal.Described nozzle 103 reduces from bottom to top gradually, side, two, the left and right being divided into area larger, and the rear and front end that area is less, wherein back-end closure.
Described nozzle 103 comprises tapered main body 106 and roof trim 105.There is tapered air channel this tapered main body 106 inside, the back-end closure of nozzle 103, and front end is provided with and receives air-flow and the exhaust outlet 104 penetrated by air-flow from described tapered air channel.
Consult shown in Fig. 2, for the embodiment of the present invention is without the side partial sectional view (in Fig. 2 not shown roof trim 105) of blade fan nozzle, described nozzle 103 is provided with wind-guiding fin in exhaust outlet 104 inside, described wind-guiding fin comprises horizontal grid 201 and longitudinal grid 202, described horizontal grid is in exhaust outlet 104 inside hierarchal arrangement from bottom to top, be distributed in middle horizontal grid 201 length short, the horizontal grid 201 of upper and lower two halves section is broadening gradually, longitudinal grid 202 is connected with the horizontal grid 201 of every layer, and is symmetrical set at exhaust outlet 104 place.
The interlamellar spacing of horizontal grid 201 layer distributed is 13mm ~ 19mm, and preferably, between 13mm ~ 16mm, or between 16mm ~ 19mm, in the present embodiment, interlamellar spacing is 17.7mm.The length of horizontal grid 201 is 10mm ~ 80mm, preferably, between 10mm ~ 20mm, or between 20mm ~ 30mm, or between 30mm ~ 40mm, or between 40mm ~ 50mm, or between 50mm ~ 60mm, or between 60mm ~ 70mm, or between 70mm ~ 80mm.The thickness of horizontal grid 201 is 0.5mm ~ 2mm, preferably, between 0.5mm ~ 0.7mm, or between 0.7mm ~ 0.9mm, or between 0.9mm ~ 1.1mm, or between 1.1mm ~ 1.3mm, or between 1.3mm ~ 1.5mm, or between 1.5mm ~ 1.7mm, or between 1.7mm ~ 2mm, in the present embodiment, thickness is 1mm.
In the present embodiment, the wind-guiding fin of the air-out 104 of nozzle 103 includes 17 horizontal grids 201, equidistantly arranges.With middle horizontal grid 201 for boundary, divide in order to upper semisection and lower semisection.Preferably, the length of horizontal grid 201 upper semisection is followed successively by from top to bottom: 18mm, 17mm, 16mm, 15mm, 14mm, 13mm, 12mm, 12mm, the length of horizontal grid 201 lower semisection is followed successively by from top to bottom: 12mm, 12mm, 12mm, 13mm, 13mm, 14mm, 14mm, 15mm, and the middle length of horizontal grid 201 is 12mm.
It should be noted that the angle that described horizontal grid 201 tilts in the horizontal direction is 0 ° ~-5 °.The angle of described horizontal grid 201 layer distributed below centre and centre is substantially horizontal, and in the present embodiment, horizontal grid 201 angle that is middle and lower semisection is 0 °.Be distributed in middle above horizontal grid 201 to increase gradually in the horizontal direction at angle of inclination from bottom to top, in the present embodiment, the angle of inclination being positioned at the horizontal grid 201 of upper semisection is followed successively by from top to bottom :-3 ° ,-3 ° ,-2.5 ° ,-2 ° ,-1.5 ° ,-1 ° ,-0.5 °, 0 °.
Consult shown in Fig. 3, be the forward structure schematic diagram without blade fan nozzle of the embodiment of the present invention, the wind-guiding fin at exhaust outlet 104 place of described nozzle 103 is provided with longitudinal grid 202.In the present embodiment, be provided with a longitudinal grid 301 at air-out 104 midline position place, extend to the top at exhaust outlet 104 place.Preferably, described in the thickness of longitudinal grid 301 that is positioned on center line be 1mm ~ 5mm, preferably, between 1mm ~ 1.5mm, or between 1.5mm ~ 2mm, or between 2mm ~ 2.5mm, or between 2.5mm ~ 3mm, or between 3mm ~ 3.5mm, or between 3.5mm ~ 4mm, or between 4mm ~ 4.5mm, or between 4.5mm ~ 5mm, in the present embodiment, thickness is 3.5mm.
Also be provided with longitudinal grid 302,303 of each symmetrical arrangement of longitudinal grid 301 the right and left at the wind-guiding fin at exhaust outlet 104 place, longitudinal grid 302,303 extends on the internal face of nozzle 103 respectively.Longitudinal grid 302 of each symmetrical arrangement of longitudinal grid 301 the right and left, the thickness of 303 is 0.5mm ~ 3mm, preferably, between 0.5mm ~ 0.7mm, or between 0.7mm ~ 0.9mm, or between 0.9mm ~ 1.1mm, or between 1.1mm ~ 1.3mm, or between 1.3mm ~ 1.5mm, or between 1.5mm ~ 1.7mm, or between 1.7mm ~ 1.9mm, or between 1.9mm ~ 2.1mm, or between 2.1mm ~ 2.3mm, or between 2.3mm ~ 2.5mm, or between 2.5mm ~ 2.7mm, or between 2.7mm ~ 2.9mm, or between 2.9mm ~ 3mm, in the present embodiment, thickness is 1mm.
The width of described longitudinal grid 301,302,303 is 5mm ~ 80mm, preferably, between 5mm ~ 15mm, or between 15mm ~ 25mm, or between 25mm ~ 35mm, or between 35mm ~ 45mm, or between 45mm ~ 55mm, or between 55mm ~ 65mm, or between 65mm ~ 75mm, or between 75mm ~ 80mm, in the present embodiment, width is 10mm.
As can be seen from description above, be arranged on the longitudinal grid 301 being positioned at center line, the longitudinal grid 302 and 303 being positioned at each symmetrical arrangement of longitudinal grid 301 the right and left, the air-out gap number be divided into from below to up by exhaust outlet 104 is followed successively by 6,4,2.In the present embodiment, the width of described exhaust outlet 104 lower end is 18.2mm, and the width of upper end is 5.9mm, and the width in the middle part of exhaust outlet 104 is 12.8mm.Longitudinal grid 302 of each symmetrical arrangement of described the right and left is 0.3mm ~ 3mm with the distance of longitudinal grid 301 of midline position, preferably, between 0.3mm ~ 0.8mm, or between 0.8mm ~ 1.3mm, or between 1.3mm ~ 1.8mm, or between 1.8mm ~ 2.3mm, or between 2.3mm ~ 2.8mm, or between 2.8mm ~ 3mm, in the present embodiment, distance is 1.3mm.Longitudinal grid 303 of each symmetrical arrangement of described the right and left is 0.6mm ~ 6mm with the distance of longitudinal grid 301 of midline position, preferably, between 0.6mm ~ 1.6mm, or between 1.6mm ~ 2.6mm, or between 2.6mm ~ 3.6mm, or between 3.6mm ~ 4.6mm, or between 4.6mm ~ 5.6mm, or between 5.6mm ~ 6mm, in the present embodiment, distance is 2.6mm.
Also it is pointed out that shown in the described horizontal grid 201(in the distribution of exhaust outlet 104 delaminate is in fig. 2), horizontal grid 201 is bottom 20mm with the distance of nozzle 103 lower end, and this region is closed simultaneously.The outside transmission too much in order to avoid the noise produced without the blower fan of blade fan like this, reduces the noise without blade fan entirety.
Described without blade fan operationally, air-flow flow in the exhaust outlet 104 of nozzle by the tapered air channel of tapered main body 103, and air-flow is by being arranged on horizontal grid 201 and longitudinal grid 202 of exhaust outlet 104, finally out injected.
This shows, the one that the present invention proposes, without blade fan, creationaryly have devised the exhaust outlet be made up of wind-guiding fin, can form larger air-out speed, the effective wind speed improved without blade fan; What described wind-guiding fin comprised arranges the horizontal grid with angle and length, effectively can control the air-out wind direction without blade fan; The longitudinal grid in the symmetrical distribution in exhaust outlet place that described wind-guiding fin comprises, can realize larger blowing area.Meanwhile, the design without the nozzle of blade fan and pedestal is unique, modern design is attractive in appearance, and overcomes the poor safety performance that conventional fan brings.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. without a blade fan, it is characterized in that, comprise base, pedestal and nozzle, described pedestal is positioned on base, and nozzle is fixed on pedestal, and described nozzle is elongate shape, reduce gradually from bottom to top, described nozzle arranges wind-guiding fin in exhaust outlet inside;
Described wind-guiding fin comprises horizontal grid and longitudinal grid, described horizontal grid is in exhaust outlet inside hierarchal arrangement from bottom to top, and it is short to be distributed in middle horizontal grid length, the horizontal grid of upper and lower two halves section is broadening gradually, and described longitudinal grid is connected with the horizontal grid of every layer and the center line be arranged to along exhaust outlet is symmetrical; The angle of described horizontal grid layer distributed below centre and centre is substantially horizontal, is distributed in middle above horizontal grid and increases gradually in the horizontal direction at angle of inclination from bottom to top;
The exhaust outlet midline position of described nozzle arranges a longitudinal grid, extends to exhaust outlet top.
2. according to claim 1 without blade fan, it is characterized in that, the angle that described horizontal grid tilts in the horizontal direction is 0 ° ~-5 °, and length is 10mm ~ 80mm.
3. according to claim 1 without blade fan, it is characterized in that, the interlamellar spacing of described horizontal grid layer distributed is 13mm ~ 19mm.
4. according to claim 3 without blade fan, it is characterized in that, the interlamellar spacing of described horizontal grid layer distributed is 17.7mm.
5. according to claim 1 without blade fan, it is characterized in that, longitudinal grating thickness that the exhaust outlet midline position of described nozzle is arranged is 1mm ~ 5mm.
6. according to claim 5 without blade fan, it is characterized in that, longitudinal grating thickness that the exhaust outlet midline position of described nozzle is arranged is 3.5mm.
7. according to claim 5 without blade fan, it is characterized in that, two longitudinal grids of each symmetrical arrangement of longitudinal grid the right and left of the exhaust outlet midline position of described nozzle, and extend to respectively on the internal face of described nozzle.
8. according to claim 7 without blade fan, it is characterized in that, longitudinal grid the right and left of the exhaust outlet midline position of described nozzle respectively arranges that the thickness of two longitudinal grids is 0.5mm ~ 3mm.
9. according to claim 8 without blade fan, it is characterized in that, longitudinal grid the right and left of the exhaust outlet midline position of described nozzle respectively arranges that the thickness of two longitudinal grids is 1mm.
10. according to claim 8 without blade fan, it is characterized in that, described longitudinal grid width is 5mm ~ 80mm.
11. is according to claim 10 without blade fan, it is characterized in that, described longitudinal grid width is 10mm.
12. is according to claim 10 without blade fan, it is characterized in that, two longitudinal grids of the symmetry that described exhaust outlet center line the right and left is respectively arranged are 0.3mm ~ 3mm, 0.6mm ~ 6mm with the distance of longitudinal grid of midline position respectively.
13. is according to claim 12 without blade fan, it is characterized in that, two longitudinal grids of the symmetry that described exhaust outlet center line the right and left is respectively arranged are 1.3mm, 2.6mm with the distance of longitudinal grid of midline position respectively.
14. according in claim 1 to 13 described in any one without blade fan, it is characterized in that, the distance of described distribution horizontal grid bottom and described nozzle lower end is 20mm, and is closed area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184780.0A CN103470543B (en) | 2012-06-06 | 2012-06-06 | A kind of without blade fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184780.0A CN103470543B (en) | 2012-06-06 | 2012-06-06 | A kind of without blade fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103470543A CN103470543A (en) | 2013-12-25 |
| CN103470543B true CN103470543B (en) | 2015-10-21 |
Family
ID=49795534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210184780.0A Expired - Fee Related CN103470543B (en) | 2012-06-06 | 2012-06-06 | A kind of without blade fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103470543B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930986B (en) * | 2017-04-29 | 2023-08-22 | 应辉 | Bladeless fan and air outlet barrel thereof |
| WO2021164566A1 (en) * | 2020-02-19 | 2021-08-26 | 应辉 | Fan |
| CN111396375A (en) * | 2020-04-16 | 2020-07-10 | 珠海格力电器股份有限公司 | Bladeless fan nozzle assembly and bladeless fan |
| US11739760B2 (en) | 2020-06-02 | 2023-08-29 | Lg Electronics Inc. | Blower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749289A (en) * | 2008-12-11 | 2010-06-23 | 戴森技术有限公司 | Fan |
| CN101825098A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| CN201874898U (en) * | 2010-10-29 | 2011-06-22 | 李德正 | Fan without blades |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2468331B (en) * | 2009-03-04 | 2011-02-16 | Dyson Technology Ltd | A fan |
-
2012
- 2012-06-06 CN CN201210184780.0A patent/CN103470543B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101749289A (en) * | 2008-12-11 | 2010-06-23 | 戴森技术有限公司 | Fan |
| CN101825098A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| CN201874898U (en) * | 2010-10-29 | 2011-06-22 | 李德正 | Fan without blades |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103470543A (en) | 2013-12-25 |
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Granted publication date: 20151021 Termination date: 20160606 |