CN205101284U - Low noise ceiling fan - Google Patents
Low noise ceiling fan Download PDFInfo
- Publication number
- CN205101284U CN205101284U CN201520929868.XU CN201520929868U CN205101284U CN 205101284 U CN205101284 U CN 205101284U CN 201520929868 U CN201520929868 U CN 201520929868U CN 205101284 U CN205101284 U CN 205101284U
- Authority
- CN
- China
- Prior art keywords
- flabellum
- ceiling fan
- guide channel
- air guide
- low noise
- 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
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a low noise ceiling fan, including motor in proper order with connect the flabellum around the motor, its characterized in that: the flabellum is equipped with an at least wind guide tank on keeping away from one side of motor, the recess of wind guide tank for reducing gradually to the inboard outside the flabellum, the tip that motor one side was kept away from to the flabellum is located to the wind guide tank, the wind guide tank is fin form recess, the wind guide tank openly becomes circular arc portion to the indent from the flabellum, the wind guide tank is three, the air inlet end edge of wind guide tank is the cockscomb structure. The utility model discloses a low noise ceiling fan stability is strong, noise at work is little.
Description
Technical field
The utility model relates to a kind of ventilation equipment, is a kind of noise little ceiling fan when realizing using specifically.
Background technique
Ceiling fan applies ventilation equipment very widely at present, and it is generally installed on roof, designs based on rotor aerodynamics.It, with the rotation forces air movement of flabellum, realizes top-down air-supply.But existing ceiling-fan blade also exists two great technological deficiencies.One, when flabellum rotates, air-flow mainly produces the rotary motion of motion in downward direction and substantially horizontal, and the edge line speed of flabellum is large, and the rotary motion in its flow level direction is also larger, this not only reduces the air quantity moved downward, and also form more complicated airflow state.Surface due to traditional flabellum is plane, and in order to make air output larger, flabellum is usually designed to inner concavity.In flabellum rotary course, its outer can produce larger air sinuous flow, thus air is constantly clashed into, rubs and produce noise.Its two, the turbulence intensity at flabellum edge and fluctuation pressure are comparatively large, and the outlet air surface turbulent flow of edge is also very fierce, simultaneously flabellum marginal existence unsteady flo w whirlpool group.So the air sinuous flow produced in flabellum outer constantly can clash into the end plane of flabellum, and be that fulcrum produces lever vibration with fan electromotor.Above-mentioned phenomenon is except making ceiling fan and occurring vibration when rotating, and after long-time use, flabellum also can produce metaboly, has a strong impact on the normal use of ceiling fan.Therefore, existing ceiling fan structure still awaits further improvement.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides the ceiling fan that a kind of stability is strong, operating noise is little.
The purpose of this utility model is achieved in that a kind of low noise ceiling fan, and the flabellum comprising motor successively and be connected to around motor, is characterized in that: described flabellum is being provided with at least one air guide channel away from the side of motor.
Described air guide channel is the groove reduced gradually inside flabellum lateral.
Described air guide channel is located at the end of flabellum away from motor side.
Described air guide channel is fin shape groove.
Described air guide channel is inwardly recessed into circular arc part from flabellum front.
Described air guide channel is three.
The air intake edge of described air guide channel is flexuose.
The beneficial effects of the utility model are, flabellum is being provided with air guide channel away from the side of motor.In the process that driven by motor flabellum rotates, air produces downward wind-force by the stop of flabellum, the air guide channel of fan blade end then plays the effect of dredging air sinuous flow, the shock that minimizing produces because of air sinuous flow, friction, and the pressure pulsation of turbulent boundary layer is separated with eddy current come off, reduce the radiation of eddy current crack, thus noise when greatly reducing ceiling fan work.In addition, because the air sinuous flow of fan blade end is led away through air guide channel, air sinuous flow can not clash into blade surface, decreases the vibration of blade surface, improves stability and the reliability of ceiling fan running.In addition, air guide channel is designed to fin shape groove, and air sinuous flow is under the cutting, shunting action of air guide channel, and the shock between air also reduces thereupon gradually.Further, the unsteady flo w whirlpool group at flabellum edge can be cut in the end of air guide channel, to reduce the noise that whirlpool group produces.And the air intake edge of air guide channel is flexuose, this outlet air surface is conducive to reducing the boundary layer area being separated limit, reduces pulsating force and trailing vortex, thus reduces the noise at the boundary of parting surface, further increases the ability that flabellum abates the noise.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model most preferred embodiment;
Fig. 2 is the structural representation of the utility model air guide channel;
Fig. 3 is the side schematic view of this practical air guide channel.
Sign in figure is as follows: motor 1, flabellum 2, air guide channel 3, circular arc part 4.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described, and according to shown in Fig. 1 to Fig. 3, low noise ceiling fan of the present utility model mainly comprises motor 1 and flabellum 2.Wherein flabellum 2 is connected to around motor 1, and flabellum 2 is fixed on the outer of motor 1, and it is arranged at around motor 1 with equally distributed form.Flabellum 2 is provided with at least one air guide channel 3 on the side away from motor 1, by the elicitation effect of air guide channel 3, and the effect of impact that the air sinuous flow reducing flabellum 2 generation when rotating produces flabellum 2, thus reduce the noise produced when ceiling fan rotates.Air guide channel 3 can be designed to fin shape groove, along with air sinuous flow in fin shape recess space flowing from small to large until flow out flabellum 2 surface, air guide channel 3 can play the effect of diversion air, reduce the resistance that air sinuous flow produces flabellum 2 rotation, and the further noise reducing air sinuous flow and produce because clashing into, rubbing.In addition, air guide channel 3 can be designed to shark fins streamline groove.The cutting utilizing the cuspidated streamlined groove of band to produce unsteady flo w whirlpool, flabellum 2 edge group, shunting action, improve the rambling eddy current of suction surface, reduce the mutual collision between eddy current, thus reduce eddy current crack.Air guide channel 3 air intake edge can be designed as flexuose, and above-mentioned outlet air surface is conducive to reducing the boundary layer area being separated limit, reduces pulsating force and trailing vortex, thus reduces the noise at the boundary of parting surface.Air guide channel 3 is located at the end of flabellum 2 away from motor 1 side, contributes to reducing the whirlpool group that flabellum 2 place's swirling eddy and the non-rotating air-flow in outside produce, to reduce flabellum 2 induced loss and to reduce noise.And in order to realize the derivation completely of air sinuous flow, air guide channel 3 is inwardly recessed into circular arc part 4 from flabellum 2 front, circular arc part 4 is except ensureing that air sinuous flow flows to reduce except the generation of windage on the surface of relative smooth, the working strength of flabellum 2 can also be strengthened, make to reduce air sinuous flow to clash into the phenomenon that flabellum 2 vibrates.The quantity of air guide channel 3 can be one or two, and in the utility model, the quantity of air guide channel 3 is three, and it can reduce air sinuous flow further and flabellum 2 be rotated to the adverse effect produced.
Above-mentioned specific embodiment is only the good embodiment of the utility model effect, and all low noise ceiling fans identical or equivalent with this structure, all in the protection domain of the application.
Claims (7)
1. a low noise ceiling fan, comprises motor (1) successively and is connected to motor (1) flabellum (2) around, it is characterized in that: described flabellum (2) is provided with at least one air guide channel (3) on the side away from motor (1).
2. low noise ceiling fan according to claim 1, is characterized in that: described air guide channel (3) is the groove reduced gradually inside flabellum (2) lateral.
3. low noise ceiling fan according to claim 1, is characterized in that: described air guide channel (3) is located at the end of flabellum (2) away from motor (1) side.
4. low noise ceiling fan according to claim 2, is characterized in that: described air guide channel (3) is fin shape groove.
5. according to claim 1 to any described low noise ceiling fan of claim 4, it is characterized in that: described air guide channel (3) is inwardly recessed into circular arc part (4) from flabellum (2) front.
6. according to claim 1 to any described low noise ceiling fan of claim 4, it is characterized in that: described air guide channel (3) is three.
7. according to claim 1 to any described low noise ceiling fan of claim 4, it is characterized in that: the air intake edge of described air guide channel (3) is flexuose.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929868.XU CN205101284U (en) | 2015-11-21 | 2015-11-21 | Low noise ceiling fan |
| PCT/CN2016/106362 WO2017084611A1 (en) | 2015-11-21 | 2016-11-18 | Low-noise ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520929868.XU CN205101284U (en) | 2015-11-21 | 2015-11-21 | Low noise ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101284U true CN205101284U (en) | 2016-03-23 |
Family
ID=55517066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520929868.XU Expired - Fee Related CN205101284U (en) | 2015-11-21 | 2015-11-21 | Low noise ceiling fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205101284U (en) |
| WO (1) | WO2017084611A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084611A1 (en) * | 2015-11-21 | 2017-05-26 | 佛山市顺德区苇源电器有限公司 | Low-noise ceiling fan |
| CN112983862A (en) * | 2021-03-04 | 2021-06-18 | 青岛海尔空调电子有限公司 | Centrifugal fan |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI829531B (en) * | 2023-02-16 | 2024-01-11 | 建準電機工業股份有限公司 | Impeller and cooling fan including the same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07158591A (en) * | 1993-12-09 | 1995-06-20 | Matsushita Electric Ind Co Ltd | Blower impeller |
| CN201382019Y (en) * | 2009-03-11 | 2010-01-13 | 丽思顿有限公司 | Diversion fan blade |
| CN201560981U (en) * | 2009-07-15 | 2010-08-25 | 鑫贺精密电子(东莞)有限公司 | Blade structure of radiation fan |
| CN201757085U (en) * | 2010-07-05 | 2011-03-09 | 康戴尔电子(深圳)有限公司 | Wing type fan blade structure |
| CN102003413A (en) * | 2010-12-23 | 2011-04-06 | 美的集团有限公司 | Fan blade of ventilation fan |
| TWI529307B (en) * | 2013-03-22 | 2016-04-11 | 技嘉科技股份有限公司 | Diversion fan blade, fan and fan module |
| CN205101284U (en) * | 2015-11-21 | 2016-03-23 | 佛山市顺德区苇源电器有限公司 | Low noise ceiling fan |
-
2015
- 2015-11-21 CN CN201520929868.XU patent/CN205101284U/en not_active Expired - Fee Related
-
2016
- 2016-11-18 WO PCT/CN2016/106362 patent/WO2017084611A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084611A1 (en) * | 2015-11-21 | 2017-05-26 | 佛山市顺德区苇源电器有限公司 | Low-noise ceiling fan |
| CN112983862A (en) * | 2021-03-04 | 2021-06-18 | 青岛海尔空调电子有限公司 | Centrifugal fan |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017084611A1 (en) | 2017-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20211121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |