CN101985948A - Bladeless fan - Google Patents
Bladeless fan Download PDFInfo
- Publication number
- CN101985948A CN101985948A CN2010105627919A CN201010562791A CN101985948A CN 101985948 A CN101985948 A CN 101985948A CN 2010105627919 A CN2010105627919 A CN 2010105627919A CN 201010562791 A CN201010562791 A CN 201010562791A CN 101985948 A CN101985948 A CN 101985948A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- depth
- fan
- pedestal
- base
- 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
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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
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- 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
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- 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
Abstract
The invention discloses a bladeless fan, and relates to a fan device. The fan device comprises a base and a nozzle arranged on the base, wherein the nozzle comprises an internal channel and an air outlet; the nozzle basically extends orthogonally relative to an axis to limit an opening; and air outside the fan is sucked by airflow jetted from the air outlet through the opening. The fan device is characterized in that: the base comprises a pedestal and a support fixed on the pedestal; the nozzle is arranged on the support; the fan has a height and a width which are vertical to the axis; the width of the support of the fan is at least 10 millimeters less than that of the pedestal; the width of the pedestal of the fan is greater than 75 percent of the width of the nozzle and smaller than 125 percent of the width of the nozzle; and selectively, the nozzle, the pedestal and the support have depths along the direction of the axis, the depth of the support is at least 10 millimeters less than that of the pedestal, the depth of the pedestal is greater than 200 percent of the depth of the nozzle and smaller than 350 percent of the depth of the nozzle. The fan device can be safely and stably placed and used and has a simple and attractive structure.
Description
Technical field
The present invention relates to a kind of fan assembly.
Background technique
The Chinese patent application that on May 6th, 2009, publication number was CN 101424278A (application number: 200810177843.3) disclose a kind of no blade fan that is used to produce air stream, this kind fan comprises: pedestal and the nozzle that is installed on the described pedestal, be provided with the member that is used to produce by the air-flow of described nozzle in the pedestal, its nozzle has inner passage and the relief opening that is used to receive from the air-flow of pedestal, it is injected that air communication is crossed described relief opening, nozzle extends orthogonally basically about axis and limits opening, and described fan air outside is aspirated by the air-flow that sprays from described relief opening by described opening.Because its nozzle of this kind fan is big, pedestal is less, its placement and use is not steadily toppled over easily, and is particularly all the more so during the fan control button of operation setting on the pedestal sidewall, therefore necessary the improvement.
Summary of the invention
The present invention aims to provide a kind of improved fan assembly to overcome above-mentioned defective of the prior art.The objective of the invention is to provide a kind of placement and steady, simple for structure no blade fan attractive in appearance safe in utilization.
In order to achieve the above object, the technical solution used in the present invention is: the no blade fan that is used to produce air stream, described fan comprises: pedestal and the nozzle that is installed on the described pedestal, described pedestal holds the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage and the relief opening that is used to receive from the air-flow of described pedestal, it is injected that air communication is crossed described relief opening, described nozzle extends orthogonally basically about axis and limits opening, described fan air outside is aspirated by the air-flow that sprays from described relief opening by described opening, it is characterized in that, described pedestal comprises base and the bearing that is fixed on the described base, described nozzle is installed on the described bearing, described member comprises motor and the impeller that is arranged in the described bearing, described fan has the height and the width vertical with described height away from the end of described pedestal that extends to described nozzle from the end away from described nozzle of described pedestal, described height and described width are all perpendicular to described axis, the width of described bearing is less than at least 10 millimeters of the width of described base, and the width of described base is greater than 75% of the width of described nozzle, less than 125% of the width of described nozzle.
The another kind of technological scheme that the present invention adopts is: the no blade fan that is used to produce air stream, described fan comprises: pedestal and the nozzle that is installed on the described pedestal, described pedestal holds the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage and the relief opening that is used to receive from the air-flow of described pedestal, it is injected that air communication is crossed described relief opening, described nozzle extends orthogonally basically about axis and limits opening, described fan air outside is aspirated by the air-flow that sprays from described relief opening by described opening, it is characterized in that, described pedestal comprises base and the bearing that is fixed on the described base, described nozzle is installed on the described bearing, described member comprises motor and the impeller that is arranged in the described bearing, described nozzle, described base and described bearing all have along the degree of depth on the described axial direction, the degree of depth of described bearing is less than at least 10 millimeters of the degree of depth of described base, and the degree of depth of described base is greater than 200% of the degree of depth of described nozzle, less than 350% of the degree of depth of described nozzle.
Stationarity when using the fan control button in order to improve fan can be arranged on the fan control button on the base, preferably is arranged near the position of upper surface of base.
About the overall dimensions of described base, preferably, the width of described base is not more than the width of described nozzle, the degree of depth of described base be not more than described nozzle the degree of depth 300%, the height of described base be not more than bearing height 50%.
About the overall dimensions of described bearing, preferably, the width of described bearing be not more than described nozzle width 75%, the degree of depth of described bearing be not more than described nozzle the degree of depth 200%, the height of described bearing be not more than described nozzle height 300%.
The shape of described base, its bottom surface can be roughly circle, can be roughly ellipse, can also be other shape.
The shape of described bearing can be roughly cylindrically, also can be roughly prismaticly, can also be other shape.
Fixing between described base and described bearing can be that inaction is fixed; Also can be movable fixing, for example, described bearing can rotate around described base.
Described nozzle limits an opening at least, for example can limit plural opening; The shape of its opening can be multiple shape, can be circular, oval, round rectangle, also can be the part annular, can also be other shape.
Described relief opening is set on the loop wall around the nozzle of described opening, so that the effectively suction of air-flow institute that described fan air outside is sprayed from described relief opening by described opening.
The shape of described relief opening, its cross section can be hole shapes, also can be slit-shaped, can also be other shapes.
About term " no leaf " is to be used for describing that air-flow discharges forward from fan component or ejection and do not need to use impeller assembly.By this definition, the fan of no leaf can be counted as has output face or the launch site that does not have the blade or the wing, and air-flow edge roughly therefrom discharges or launches towards user's direction.
No blade fan can provide main air to originate by multiple source apparatus or generating means and produce high pressure draught, for example pump, generator, motor or comprise engine rotor and other fluid delivery systems of rotating equipment such as impeller blade.The air quantity that produces by motor makes passes inner passage arrival nozzle the environment of air draught from room or fan assembly outside, sprays from relief opening then.Therefore, do not lie in the required parts of fan secondary function such as extending to power source and component about the illustrative purposes of term " no leaf ", such as motor.The example of fan secondary function comprises the swing of illumination, adjusting and fan.
The present invention has following good effect:
Because its base size of pedestal of apparatus of the present invention is bigger, and the large scale nozzle that is installed on the pedestal is had significant stabilization; The fan control button is arranged on the base, and it uses firm, convenient; Firm pedestal helps reducing vibrations or the noise that moving element such as motor in the bearing causes; Its whole apparatus structure is succinctly attractive in appearance in addition.
Description of drawings
Fig. 1 is the schematic representation of no blade fan of the present invention;
Fig. 2 is the side schematic view of no blade fan shown in Figure 1;
Fig. 3 is the generalized section of the nozzle of no blade fan shown in Figure 1 along axis;
Fig. 4 is another embodiment of no blade fan of the present invention.
Embodiment
Fig. 1 is the schematic representation of no blade fan of the present invention.As seen from the figure, apparatus of the present invention comprise: pedestal 8 and the nozzle 1 that is installed on the described pedestal, nozzle comprises inner passage 7 and relief opening 2, it is injected that air communication is crossed relief opening 2, nozzle 1 extends orthogonally basically about axis X and limits opening 3, described fan air outside is aspirated by the air-flow that sprays from relief opening 2 by opening 3, pedestal 8 comprises base 5 and the bearing 4 that is fixed on the base, nozzle 1 is installed on the bearing 4, in described bearing 4, be provided with motor and impeller (not drawing among the figure), described fan have height H with highly vertical width, described height and described width are all perpendicular to axis X.In the present embodiment, the cross section of nozzle 1 is roughly circle, and opening 3 also is roughly circle, and bearing 4 is roughly cylindrical, and the external diameter of nozzle 1 is that the width W 1 of nozzle is 300 millimeters; The height H of fan is 550 millimeters; The height of pedestal 8 is 250 millimeters, and the width of pedestal 8 is 280 millimeters, and wherein, the height of bearing 4 is 220 millimeters, and the height of base 5 is 30 millimeters, and the width W 2 of bearing is 180 millimeters, and the width W 3 of base 5 is 280 millimeters.With reference to figure 2, the depth D 1 of nozzle 1 is 100 millimeters; The degree of depth of pedestal 8 is 250 millimeters, and wherein, the depth D 2 of bearing is 180 millimeters, and the depth D 3 of base is 250 millimeters.
Can also see that from Fig. 1 and Fig. 2 near the position the upper surface of base is provided with fan control button 6, obviously its use of fan control button of this position or smooth operation, convenience.
Fig. 3 shows the generalized section of the nozzle of no blade fan shown in Figure 1 along axis.As seen from the figure, nozzle 1 comprises inner passage 7 and relief opening 2, and less than the sectional dimension at its airflow inlet place, rear portion, this structure relief opening helps improving the speed of relief opening institute jet-stream wind to relief opening 2 in the sectional dimension of air flow outlet.
When this kind fan uses, be positioned at the member operation work of the generation air-flow of pedestal 8, air can be drawn into from the intake grill (figure does not draw) of the outer casing underpart that is arranged in pedestal 8, send in the inner passage 7 of nozzle 1 through after boosting, and be deflated mouthful 2 ejections and flow out opening 3, be deflated mouthful 2 air-flows that sprayed from the air of ambient, external environment by opening 3 and entrainment, air-flow that is ejected and the air-flow that entrainmented are in conjunction with the total air flow that penetrates forward from nozzle 1 with generation.
Fig. 4 shows another embodiment of no blade fan of the present invention.Be easy to from figure find out that present embodiment is to embodiment illustrated in fig. 1 similar, just the structure of the nozzle 1 of present embodiment is different.The nozzle 1 of present embodiment has four closed circuits, and these loops have constituted four openings 3, all is being provided with continuous basically slot-shaped relief opening 2 near on the loop wall of four openings.The nozzle 1 of this structure helps obtaining comparatively uniformly the total air flow of ejaculation forward.
Although showed and described and thought preferred embodiments of the invention at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present invention that is limited by appended claims.
Claims (10)
1. no blade fan that is used to produce air stream, described fan comprises: pedestal (8) and be installed in nozzle (1) on the described pedestal, described pedestal holds the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage (7) and the relief opening (2) that is used to receive from the air-flow of described pedestal, it is injected that air communication is crossed described relief opening, described nozzle extends orthogonally basically about axis (X) and limits opening (3), described fan air outside is aspirated by the air-flow that sprays from described relief opening by described opening, it is characterized in that, described pedestal comprises base (5) and is fixed in bearing (4) on the described base, described nozzle is installed on the described bearing, described member comprises motor and the impeller that is arranged in the described bearing, described fan has the height and the width vertical with described height away from the end of described pedestal that extends to described nozzle from the end away from described nozzle of described pedestal, described height and described width are all perpendicular to described axis, the width of described bearing is less than at least 10 millimeters of the width of described base, and the width of described base is greater than 75% of the width of described nozzle, less than 125% of the width of described nozzle.
2. no blade fan that is used to produce air stream, described fan comprises: pedestal (8) and be installed in nozzle (1) on the described pedestal, described pedestal holds the member that is used to produce by the air-flow of described nozzle, described nozzle comprises inner passage (7) and the relief opening (2) that is used to receive from the air-flow of described pedestal, it is injected that air communication is crossed described relief opening, described nozzle extends orthogonally basically about axis (X) and limits opening (3), described fan air outside is aspirated by the air-flow that sprays from described relief opening by described opening, it is characterized in that, described pedestal comprises base (5) and is fixed in bearing (4) on the described base, described nozzle is installed on the described bearing, described member comprises motor and the impeller that is arranged in the described bearing, described nozzle, described base and described bearing all have along the degree of depth on the described axial direction, the degree of depth of described bearing is less than at least 10 millimeters of the degree of depth of described base, and the degree of depth of described base is greater than 200% of the degree of depth of described nozzle, less than 350% of the degree of depth of described nozzle.
3. no blade fan as claimed in claim 1 is characterized in that, described base is provided with fan control button (6).
4. no blade fan as claimed in claim 2 is characterized in that described base is provided with the fan control button.
5. no blade fan as claimed in claim 1, it is characterized in that, described nozzle, described base and described bearing all have along the degree of depth on the described axial direction, the degree of depth of described bearing is less than at least 10 millimeters of the degree of depth of described base, the degree of depth of described base greater than the degree of depth of described nozzle 200%, less than 350% of the degree of depth of described nozzle.
6. no blade fan as claimed in claim 5 is characterized in that described base is provided with the fan control button.
7. as the described no blade fan of one of claim 1 to 6, it is characterized in that, the width of described bearing be not more than described nozzle width 75%, the degree of depth of described bearing be not more than described nozzle the degree of depth 200%, the width of described base is not more than the width of described nozzle, the degree of depth of described base be not more than described nozzle the degree of depth 300%.
8. as the described no blade fan of one of claim 1 to 6, it is characterized in that, the height of described bearing be not more than described nozzle height 300%, the height of described base be not more than described bearing height 50%.
9. as the described no blade fan of one of claim 1 to 6, it is characterized in that described bearing is roughly cylindrical, the bottom surface of described base is roughly ellipse.
10. as the described no blade fan of one of claim 1 to 6, it is characterized in that the described bearing that is fixed on the described base can rotate around described base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105627919A CN101985948A (en) | 2010-11-27 | 2010-11-27 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105627919A CN101985948A (en) | 2010-11-27 | 2010-11-27 | Bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101985948A true CN101985948A (en) | 2011-03-16 |
Family
ID=43710333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105627919A Pending CN101985948A (en) | 2010-11-27 | 2010-11-27 | Bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101985948A (en) |
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Address after: 310052 Hangzhou City, Binjiang District Province, No., Shing Road, Garden Court, building 2, room 3, unit 1402, room 3191 Applicant after: Ren Wenhua Address before: 310003, room 2, unit 129, 402 lane, lane, Hangzhou, Zhejiang Applicant before: Ren Wenhua |
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Application publication date: 20110316 |