CN103089718A - Bladeless fan - Google Patents
Bladeless fan Download PDFInfo
- Publication number
- CN103089718A CN103089718A CN2013100743245A CN201310074324A CN103089718A CN 103089718 A CN103089718 A CN 103089718A CN 2013100743245 A CN2013100743245 A CN 2013100743245A CN 201310074324 A CN201310074324 A CN 201310074324A CN 103089718 A CN103089718 A CN 103089718A
- Authority
- CN
- China
- Prior art keywords
- shell
- fan
- nozzle
- air
- blade fan
- 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
Links
- 238000007664 blowing Methods 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 14
- 239000000463 material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
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
A bladeless fan comprises a nozzle and a production device used for producing air flow passing through the nozzle. The nozzle comprises an outer shell, an empty cavity placed in the outer shell and an air exhaustion hole formed in the outer shell. The bladeless fan is characterized by further comprising a ribbon arranged in the empty cavity. In addition, at least part of the outer shell is transparent. Whether the bladeless fan is in a normal blowing state or not can be judged easily.
Description
Technical field
The present invention relates to a kind of fan.Especially, but not in exclusive manner, the present invention relates to a kind of domestic fan, as the family expenses desk fan, for increasing air circulation and the Air Flow in indoor, office and other environment.
Background technique
Traditional domestic fan generally includes motor and is driven one group of blade or the impeller rotatablely move by motor.This group blade is usually located in cage, and this cage allows air stream to pass, yet but stops human body to touch the blade of rotation.But in some cases, this kind fan also exists the danger that human body touches this group rotation blade.
On November 15th, 1949, US Patent No. 2488467 discloses a kind of fan that does not expose fan blade, this kind fan comprises pedestal and the ring nozzle that is arranged on pedestal, pedestal comprises motor and the fan blade that is driven by motor, the fan blade of rotation provides air-flow to ring nozzle, this kind ring nozzle comprises annular outer cover, be positioned at the cavity of annular outer cover, relief opening and be positioned at the opening of ring nozzle central part, is transported in cavity and is deflated from the air-flow of pedestal and mouthful spray.This kind fan provides comparatively uniform air-flow and has improved the Security of using.But this kind fan can not confirm in distant surveillance whether fan is in normal air-out state.
Summary of the invention
The present invention aims to provide a kind of improved fan to overcome above-mentioned defective of the prior art.The objective of the invention is to provide-kind be easy to be confirmed whether to be in the fan of normal air-out state.
In order to achieve the above object, the technical solution used in the present invention is: a kind of without blade fan, describedly comprise nozzle and for generation of the generation device of the air-flow by described nozzle without blade fan, described nozzle comprises shell, be positioned at the cavity of described shell and be arranged at relief opening on described shell, it is characterized in that, describedly also comprise the ribbon that is arranged in described cavity without blade fan, and described shell at least part of be transparent.
Advantageously, this kind fan does not need to expose fan blade and just can produce air stream and form cooling effect; Owing to being provided with ribbon in the cavity of nozzle, when fan was in normal air-out state, described ribbon will be waved, and this waving can be found by the user by transparent shell, is easy to like this confirm whether fan is in normal air-out state.
Preferably, described shell is all transparent.Waving of ribbon can be found or confirm in the surrounding of nozzle like this, and simultaneously, the shell of all transparent was conducive to reduce to the stopping of natural light or artificial light, was conducive to the work of user's low coverage or reading.
Described transparent material comprises transparent resin, as organic glass (chemical name is polymethylmethacrylate), PC material (chemical name is polycarbonate (PC)), PS material (chemical name is polystyrene), PET material (chemical name is PETG) etc.
Described ribbon comprises colored ribbon.Ribbon preferably adopts low density material to make, for example silk material.
The shell of nozzle can have various shape, and described shell comprises spheroidal shell, elliposoidal shell and elliposoidal shell etc.; The average thickness of described shell is usually between 1mm to 5mm, preferably between 1mm to 3mm; Described shell is usually about an axis almost symmetry; The Way out of described relief opening and the angle of described axis are usually between-25 ° to 25 °, preferably between-15 ° to 15 °.
When the angle of the Way out of described relief opening and described axis was negative value, gradually near described axis, at this moment the air-flow exported of nozzle was comparatively concentrated in traveling process for air-flow; Otherwise, the Way out of described relief opening and the angle of described axis be on the occasion of the time, gradually away from described axis, at this moment the air-flow exported of nozzle comparatively disperses air-flow in traveling process.
In a preferred embodiment, the shell of nozzle is made by plexiglass, and transparent shell limits cavity and the relief opening that is roughly spheroidal, and the diameter of the cavity of its spheroidal is about 300mm.
The relief opening of nozzle is preferably slot-shaped relief opening, its relief opening at the width in outlet port usually between 0.5mm to 10mm, preferably between 1mm to 5mm.
Described generation device is for generation of the air-flow by nozzle, and described generation device generally includes impeller chimney, is positioned at the impeller of impeller chimney and the motor of drives impeller rotary work; Described motor can be alternating current motor, can be also DC Brushless Motor; Described impeller can be centrifugal impeller, can be also mixed flow impeller, is preferably mixed flow impeller.
In a preferred embodiment, fan comprises pedestal and the nozzle that is arranged on pedestal, this pedestal comprises shell and is positioned at the generation device of shell, this generation device comprises impeller chimney, impeller and motor, this pedestal is roughly cylindrical, the diameter of this pedestal is about 145mm, and the height of this pedestal is about 210mm, and the rotating speed of this impeller is between 2500rpm to 9000rpm.
Described fan can be desk fan, can be wall fan, can be ceiling fan, can be flooring fan, can also be the fan of other type.
Description of drawings
Figure l is the front schematic view of fan of the present invention.
Fig. 2 is that the fan shown in figure l is along the sectional view of A-A line intercepting.
Embodiment
Figure l is that Fig. 2 has shown the internal structure of fan shown in Figure 1 from the schematic diagram of the fan of the present invention of device forward observation.Can find out from Fig. 1 and Fig. 2, this kind fan comprises pedestal 2 and the nozzle 1 that is arranged on pedestal 2; Pedestal 2 comprises Base body 9 and is positioned at base portion 10 below Base body, and Base body 9 has sidewall, and sidewall comprises air inlet 11, and air inlet 11 is the form of grid hole; Base body 9 comprises impeller chimney 8, is positioned at the impeller 6 of impeller chimney and the motor 7 of drives impeller rotary work, impeller 6 comprise general conical wheel hub, be connected to a plurality of blades on wheel hub and be connected to the guard shield 15 of the outer ledge of a plurality of blades, motor 7 is fixed on the first fixed block 14, the first fixed block 14 is connected with the second fixed block 13, and the second fixed block 13 is fixing with impeller chimney 8; Nozzle 1 comprises shell 3, cavity 4, a plurality of relief opening 5 and ribbon 16; Shell 3 is made by transparent plexiglass, and shell 3 is roughly the spheroidal shell of hollow, and about the axis X almost symmetry, the diameter of this shell is about 300mm; Ribbon 16 is the red silk band of two different lengths; Shell 3 has the pit 12 that rounds, and pit 12 next-door neighbour's relief openings 5 arrange, and the degree of depth of pit 12 is about 5mm; Relief opening 5 is slot-shaped relief opening and the front area that is positioned at shell 3, and its relief opening is about 1mm at the width in outlet port.
In the present embodiment, its cavity 4 is roughly spheroidal, and the red silk band that is positioned at the spheroidal cavity inside can be waved with air-flow under the promotion of air-flow; When fan is not worked, the promotion that the red silk band is not subject to air-flow will naturally droop, and that is to say, when the red silk band is sagging, fan is in not air-out state, and when the red silk band is waved, fan is in normal air-out state.
In the present embodiment, Base body 9 base portion 10 relatively swings, and fan can change the air-out orientation of fan on horizontal plane like this; Base body 9 comprises top base main body 9a and bottom base main body 9b, and top base main body 9a can slide into oblique position with respect to bottom base main body 9b, and fan can be in the orientation of vertical plane adjusted air-out like this.
During this kind fan work, be positioned at motor 7 drives impeller 6 rotary works of pedestal 2, air can be drawn into from the air inlet 11 that is positioned on Base body 9, enter in air in Base body 9 are admitted to nozzle 1 after boosting cavity 4 and be deflated mouthful 5 ejections, ribbon 16 in cavity 4 can be waved with air-flow under the promotion of air-flow, be deflated mouthful 5 air-flows that spray from the air of nozzle outside and entrainment, the total air flow that the air-flow that is ejected and the air-flow formation fan that is entrainmented are carried forward.
The detailed description that the present invention is not limited to provide above.Those skilled in the art should be understood that deformation program of the present invention.
Claims (8)
1. one kind without blade fan, describedly comprise nozzle and for generation of the generation device of the air-flow by described nozzle without blade fan, described nozzle comprises shell, be positioned at the cavity of described shell and be arranged at relief opening on described shell, it is characterized in that, describedly also comprise the ribbon that is arranged in described cavity without blade fan, and described shell at least part of be transparent.
2. as described in claim l without blade fan, it is characterized in that, described shell is all transparent.
3. as described in claim l without blade fan, it is characterized in that, described ribbon is colored ribbon.
4. as described in claim l without blade fan, it is characterized in that, described ribbon is colored ribbon, and described shell is all transparent.
5. as described in one of claim l to 4 without blade fan, it is characterized in that, described shell comprises the spheroidal shell.
6. as described in one of claim l to 4 without blade fan, it is characterized in that, described shell comprises the elliposoidal shell.
7. as described in one of claim l to 4 without blade fan, it is characterized in that, described shell comprises the plat spheroid shell.
8. as described in one of claim l to 4 without blade fan, it is characterized in that, described shell comprises the patty shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100743245A CN103089718A (en) | 2013-03-08 | 2013-03-08 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100743245A CN103089718A (en) | 2013-03-08 | 2013-03-08 | Bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103089718A true CN103089718A (en) | 2013-05-08 |
Family
ID=48202699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100743245A Pending CN103089718A (en) | 2013-03-08 | 2013-03-08 | Bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103089718A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200974425Y (en) * | 2006-11-27 | 2007-11-14 | 王其健 | Wind power driving device |
| CN102032223A (en) * | 2010-12-28 | 2011-04-27 | 任文华 | Bladeless fan device |
| CN102192198A (en) * | 2011-06-10 | 2011-09-21 | 应辉 | Fan assembly |
| CN102322664A (en) * | 2011-08-30 | 2012-01-18 | 海尔集团公司 | Air conditioner |
| CN202182069U (en) * | 2011-07-04 | 2012-04-04 | 李耀强 | Bladeless fan |
| US20120093629A1 (en) * | 2010-10-18 | 2012-04-19 | Dyson Technology Limited | Fan assembly |
| CN102797709A (en) * | 2011-05-26 | 2012-11-28 | 任文华 | Fan |
-
2013
- 2013-03-08 CN CN2013100743245A patent/CN103089718A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200974425Y (en) * | 2006-11-27 | 2007-11-14 | 王其健 | Wind power driving device |
| US20120093629A1 (en) * | 2010-10-18 | 2012-04-19 | Dyson Technology Limited | Fan assembly |
| CN102032223A (en) * | 2010-12-28 | 2011-04-27 | 任文华 | Bladeless fan device |
| CN102797709A (en) * | 2011-05-26 | 2012-11-28 | 任文华 | Fan |
| CN102192198A (en) * | 2011-06-10 | 2011-09-21 | 应辉 | Fan assembly |
| CN202182069U (en) * | 2011-07-04 | 2012-04-04 | 李耀强 | Bladeless fan |
| CN102322664A (en) * | 2011-08-30 | 2012-01-18 | 海尔集团公司 | Air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130508 |
|
| RJ01 | Rejection of invention patent application after publication |