CN106523402A - Fan - Google Patents
Fan Download PDFInfo
- Publication number
- CN106523402A CN106523402A CN201611049342.8A CN201611049342A CN106523402A CN 106523402 A CN106523402 A CN 106523402A CN 201611049342 A CN201611049342 A CN 201611049342A CN 106523402 A CN106523402 A CN 106523402A
- Authority
- CN
- China
- Prior art keywords
- fan
- flabellum
- guide part
- air
- rib
- 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
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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- 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
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a fan, and belongs to the technical field of electrical equipment. The fan is designed to solve the problem that an existing fan is high in noise. The fan comprises a plurality of fan blades and a motor support, wherein the fan blades are arranged in the circumferential direction, and the motor support is arranged in front of the fan blades. The motor support comprises a plurality of ribs, wherein the ribs are arranged in the circumferential direction. Each rib comprises a first guide portion. The first guide portions are arranged in the air outlet direction of the fan blades. According to the fan, the interference noise caused by the phenomenon that airflow pats the motor support is lowered, and the fan is low in noise and good in tone quality. No air guide device is additionally arranged, the circumferential component velocity of the output airflow of the fan blades is reduced, the energy loss is reduced, the air supply efficiency is improved, the structure is compact, the fan thickness is small, and the occupied space is small.
Description
Technical field
A kind of the present invention relates to technical field of electrical equipment, more particularly to fan.
Background technology
Existing fan especially box fan, as depicted in figs. 1 and 2, mainly includes fore shell 1, back cover 2, flabellum 3, wind-guiding
Wheel 6 etc., wherein fore shell is provided centrally with electric machine support.The electric machine support of existing product includes that installation portion 5 and 5 periphery of installation portion connect
Several flat wide ribs 4 for connecing, long side and 3 Plane of rotation of flabellum of 4 cross section of rib are normalized relationship.
The fan of this structure has the disadvantages that：1st, the air-flow outbound course of flabellum 3 and 4 direction of rib form an angle
Degree, high velocity air are patted on rib 4, form periodic noise, and tonequality is not good；What the 2nd, general fan was produced is rotary pneumatic
Stream, swirling eddy have circumferentially tangential component velocity, thus to the air output in front of fan it is little, air-supply efficiency it is low, although one
In a little technical schemes, as shown in figure 3, extra between blade-rotating (i.e. inducer 6) in front of flabellum 3 arrange air ducting 7 to solve
Determine the problem, but which again increases the number of components of fan so that fan integral thickness increases, fan integrally takes up room greatly
And it is heavier.
The content of the invention
In view of the problems referred to above, it is an object of the present invention to propose a kind of low fan of noise；
An another purpose of the present invention is to propose a kind of fan of air-supply efficiency high.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of fan, it is including circumferentially arranged multiple flabellums and the electric machine support being arranged in front of the flabellum, described
Electric machine support includes circumferentially arranged multiple ribs, and each described rib includes the first guide part respectively, and described first is oriented to
Portion is arranged along the air-flow outbound course of the flabellum.
Further, each described rib respectively further comprises the second guide part, second guide part and corresponding
First guide part is formed in one structure and the side away from the flabellum positioned at first guide part, and described second
Guide part by described in Jing the first guide part be oriented to air-flow be directed in front of the fan and with the axis of the electric machine support
Angle is θ1Direction, 0 θ1≦θ2, θ2For the angle of the air-flow outbound course and electrical axis of flabellum.
Further, the diameter parallel of second guide part and the electric machine support.
Further, second guide part is arranged along the air-flow outbound course of the flabellum.
Further, quantity of the quantity of the rib more than or equal to the flabellum.
Further, the quantity of the rib is not equal to the integer multiple of flabellum quantity.
Further, the quantity of the rib is 6.
Further, the fan is box fan.
Further, the fan also includes fore shell, back cover and motor, and the flabellum and the electric machine support are placed in described
In the space that fore shell and back cover are surrounded and the flabellum is connected with the output shaft of the motor, the electric machine support supports the electricity
Machine.
Beneficial effects of the present invention are as follows：
The fan that the present invention is provided, the first guide part of the rib of electric machine support are arranged along the air-out direction of flabellum, can be with
The air-flow for reducing flabellum output pats the interaction noise that causes of electric machine support, and the noise of fan is little, tonequality is good；Increase not extra
Plus weaken the circumferential component velocity of flabellum output gas flow while air ducting, reduce energy loss, improve air-supply efficiency,
Compact conformation, fan thickness is little, it is little to take up room.
The air-flow that the first guide parts of Jing are oriented to is led by the fan that the present invention is provided, the second guide part of the rib of electric machine support
To in motor rack diameter parallel direction to the scope consistent with the air-flow outbound course of flabellum, additionally do not increasing wind-guiding
Can reduce even eliminating the circumferential component velocity of flabellum output gas flow, air-supply efficiency high, compact conformation, fan thickness while device
Degree is little, it is little to take up room.
Description of the drawings
Fig. 1 is the front view of existing fan；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is the structural representation of existing fan；
Fig. 4 is the front view of the fan that the preferred embodiment of the present invention one is provided；
Fig. 5 is the shaft side figure of the fan that the preferred embodiment of the present invention one is provided；
Fig. 6 is the sectional view of the fan that the preferred embodiment of the present invention one is provided；
Fig. 7 is the partial enlarged drawing in Fig. 6 at A；
Fig. 8 is the front view of the fan that the preferred embodiment of the present invention two is provided；
Fig. 9 is the shaft side figure of the fan that the preferred embodiment of the present invention two is provided；
Figure 10 is the sectional view of the fan that the preferred embodiment of the present invention two is provided；
Figure 11 is the partial enlarged drawing in Figure 10 at B；
Figure 12 is the sectional view of the fan that the preferred embodiment of the present invention three is provided；
Figure 13 is the partial enlarged drawing in Figure 12 at C.
In figure：
1st, fore shell；2nd, back cover；3rd, flabellum；4th, rib；5th, installation portion；6th, inducer；7th, air ducting；41st, first it is oriented to
Portion；42nd, the second guide part.
Specific embodiment
Technical scheme is further illustrated below in conjunction with the accompanying drawings and by specific embodiment.
Preferred embodiment one：
This preferred embodiment provides a kind of fan, and which is preferred but is not limited to box fan.Refer to Fig. 4 to Fig. 7, this reality
The fan for applying example includes fore shell 1, back cover 2, circumferentially arranged multiple flabellums 3 and the electric machine support being arranged in front of flabellum 3, fan
Leaf 3 is connected with the output shaft of the motor, and electric machine support is connected in the fore shell 1 and supports the motor.Electric machine support bag
Circumferentially arranged multiple ribs 4 are included, each rib 4 includes the first guide part 41, gas of first guide part 41 along flabellum 3 respectively
Stream outbound course is arranged.
The fan of the present embodiment, the first guide part 41 of rib 4 are arranged along the air-out direction of flabellum 3, the gas of the output of flabellum 3
Stream flows along the first guide part 41 consistent with its outbound course, and the air-flow that can reduce the output of flabellum 3 pats electric machine support
The interaction noise for causing, the noise of fan is little, tonequality is good；Flabellum 3 is weakened while additionally air ducting is not increased defeated
Go out the circumferential component velocity of air-flow, reduce energy loss, improve air-supply efficiency, compact conformation, fan thickness is little, take up room
It is little.
On the basis of said structure, each rib 4 respectively further comprises the second guide part 42, the second guide part 42 and and its
Corresponding first guide part 41 is formed in one structure and the side away from flabellum 3 positioned at the first guide part 41, and second is oriented to
Portion 42 is directed to the air-flow that the first guide parts of Jing 41 are oriented in front of fan and is θ with the angle of the axis of electric machine support1Side
To 0 θ1≦θ2, θ2For the angle of the air-flow outbound course and electrical axis of flabellum 3.
Second guide part 42 by the air-flow that the first guide parts of Jing 41 are oriented to be directed to motor rack diameter parallel direction to
In the consistent scope of the air-flow outbound course of flabellum 3, this structure can be reduced while additionally air ducting is not increased
The circumferential component velocity of 3 output gas flow of flabellum, air-supply efficiency high, compact conformation are eliminated even, fan thickness is little, it is little to take up room.
The quantity of rib 4 is not specifically limited, and can improve air-supply efficiency on the premise of motor is supported.But it is preferred that
Ground, the quantity of rib 4 are more than or equal to the quantity of flabellum 3, to ensure that each flabellum 3 has rib 4, Jin Erbao corresponding thereto
Card air-supply efficiency.In the present embodiment, the quantity of rib 4 preferably but is not limited to 6, can be set according to specifically used occasion
Put, for example, the size of flabellum 3, power of fan etc..
In addition, in order to avoid the superposition of noise, the quantity of rib 4 is not equal to the integer multiple of 3 quantity of flabellum.
Understandably, multiple flabellums 3 are preferably circumferentially uniformly arranged, and multiple ribs 4 are preferably circumferentially uniformly arranged.
Preferred embodiment two：
This preferred embodiment provides a kind of fan, refers to Fig. 8 to Figure 11, its structure and one basic phase of preferred embodiment
Together, including circumferentially arranged multiple flabellums 3 and the electric machine support being arranged in front of flabellum 3, electric machine support includes circumferentially setting
The multiple ribs 4 put, each rib 4 include the first guide part 41, air-flow outbound course of first guide part 41 along flabellum 3 respectively
Arrange.Each rib 4 respectively further comprises the second guide part 42, and the second guide part 42 and the first corresponding guide part 41 are one
Forming structure and positioned at the first guide part 41 away from flabellum 3 side, the first guide parts of Jing 41 are oriented to by the second guide part 42
Air-flow to be directed to the angle of the axis of electric machine support be θ1Direction, 0 θ1≦θ2, θ2For the air-flow outbound course of flabellum 3
With the angle of electrical axis.
Difference is：Second guide part 42 is arranged along the air-flow outbound course of flabellum 3, i.e. θ1=θ2。
The rib 4 of this structure causes that the noise of fan is less, tonequality is more preferable.
Preferred embodiment three：
This preferred embodiment provides a kind of fan, refers to Figure 12 and Figure 13, its structure and preferred embodiment one or two
Essentially identical, including circumferentially arranged multiple flabellums 3 and the electric machine support being arranged in front of flabellum 3, electric machine support includes edge
Circumferentially disposed multiple ribs 4, each rib 4 include the first guide part 41 respectively, and the first guide part 41 is defeated along the air-flow of flabellum 3
Outgoing direction is arranged.Each rib 4 respectively further comprises the second guide part 42, the second guide part 42 and the first corresponding guide part
41 be formed in one structure and positioned at the first guide part 41 away from flabellum 3 side, the second guide part 42 is by the first guide parts of Jing
It is θ that 41 air-flows being oriented to are directed to the angle of the axis of electric machine support1Direction, 0 θ1≦θ2, θ2Air-flow for flabellum 3 is defeated
The angle of outgoing direction and electrical axis.
Difference is：The diameter parallel of the second guide part 42 and electric machine support, i.e. θ1=0.
The air-flow that flabellum 3 is exported is directed to the direction with motor rack diameter parallel, air-out air-flow by the rib 4 of this structure
Axial direction is returned to Jing after electric machine support, energy loss is greatly reduced while reducing fan noise, improves air-supply effect
Rate.
By experiment, the fan delivery of existing structure electric machine support is adopted for 48m3/ min, using this preferred embodiment
The fan delivery of electric machine support is 51m3/min。
The know-why of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed to by any way.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the present invention by need not paying performing creative labour, these modes fall within
Within protection scope of the present invention.
Claims (9)
1. a kind of fan, it is characterised in that including circumferentially arranged multiple flabellums (3) and be arranged in front of the flabellum (3)
Electric machine support, the electric machine support includes circumferentially arranged multiple ribs (4), and each described rib (4) include the respectively
One guide part (41), the first guide part (41) are arranged along the air-flow outbound course of the flabellum (3).
2. fan according to claim 1, it is characterised in that each described rib (4) respectively further comprise the second guide part
(42), the second guide part (42) and corresponding the first guide part (41) be formed in one structure and be located at it is described
The side away from the flabellum (3) of the first guide part (41), the second guide part (42) are by the first guide part described in Jing
(41) air-flow being oriented to is directed in front of the fan and is θ with the angle of the axis of the electric machine support1Direction, 0 θ1≦
θ2, θ2For the angle of the air-flow outbound course and electrical axis of flabellum (3).
3. fan according to claim 2, it is characterised in that the axle of the second guide part (42) and the electric machine support
Line is parallel.
4. fan according to claim 2, it is characterised in that the gas of the second guide part (42) along the flabellum (3)
Stream outbound course is arranged.
5. according to the arbitrary described fan of Claims 1-4, it is characterised in that the quantity of rib (4) is more than or equal to described
The quantity of flabellum (3).
6. according to the arbitrary described fan of Claims 1-4, it is characterised in that the quantity of rib (4) is not equal to flabellum
(3) integer multiple of quantity.
7. according to the arbitrary described fan of Claims 1-4, it is characterised in that the quantity of rib (4) is 6.
8. according to the arbitrary described fan of Claims 1-4, it is characterised in that the fan is box fan.
9. according to the arbitrary described fan of Claims 1-4, it is characterised in that the fan also includes fore shell (1), back cover (2)
And motor, flabellum (3) are connected with the output shaft of the motor, and the electric machine support is connected in the fore shell (1) and props up
Support the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049342.8A CN106523402A (en) | 2016-11-22 | 2016-11-22 | Fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611049342.8A CN106523402A (en) | 2016-11-22 | 2016-11-22 | Fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106523402A true CN106523402A (en) | 2017-03-22 |
Family
ID=58357225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611049342.8A Pending CN106523402A (en) | 2016-11-22 | 2016-11-22 | Fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523402A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2299178Y (en) * | 1996-10-18 | 1998-12-02 | 珠海格力雅达电器厂 | Air guide mechanism of fan |
| US20050025621A1 (en) * | 2003-08-01 | 2005-02-03 | Sunonwealth Electric Machine Industry Co., Ltd. | Airflow guiding structure for a heat-dissipating fan |
| US20070122271A1 (en) * | 2005-11-30 | 2007-05-31 | Sanyo Denki Co., Ltd. | Axial-flow fan |
| CN103649548A (en) * | 2011-06-14 | 2014-03-19 | 罗伯特·博世有限公司 | Airflow assembly having improved acoustical performance |
| CN206360906U (en) * | 2016-11-22 | 2017-07-28 | 珠海格力电器股份有限公司 | A kind of fan |
-
2016
- 2016-11-22 CN CN201611049342.8A patent/CN106523402A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2299178Y (en) * | 1996-10-18 | 1998-12-02 | 珠海格力雅达电器厂 | Air guide mechanism of fan |
| US20050025621A1 (en) * | 2003-08-01 | 2005-02-03 | Sunonwealth Electric Machine Industry Co., Ltd. | Airflow guiding structure for a heat-dissipating fan |
| US20070122271A1 (en) * | 2005-11-30 | 2007-05-31 | Sanyo Denki Co., Ltd. | Axial-flow fan |
| CN103649548A (en) * | 2011-06-14 | 2014-03-19 | 罗伯特·博世有限公司 | Airflow assembly having improved acoustical performance |
| CN206360906U (en) * | 2016-11-22 | 2017-07-28 | 珠海格力电器股份有限公司 | A kind of fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203348042U (en) | Bladeless fan component | |
| CN105986555A (en) | Air blower | |
| JP6209728B2 (en) | Humidifier and air purifier with humidification function | |
| CN110051271A (en) | A kind of supporting structure and dust catcher having both battery carrier and electric wind hood function | |
| CN202798511U (en) | Photovoltaic inverter cabinet with modified cooling air duct | |
| CN206360906U (en) | A kind of fan | |
| CN207795691U (en) | A kind of axial flow blower ducting assembly | |
| CN208025762U (en) | A kind of novel fan filter bank guiding device | |
| CN203584898U (en) | Low-noise high-efficiency central air conditioner outdoor machine cooling axial-flow fan | |
| CN203670288U (en) | Air purifier and fan thereof | |
| EP3362742B1 (en) | Humid air stream generator | |
| CN106523402A (en) | Fan | |
| CN206830489U (en) | A kind of centrifugal blower of the double air-out of double air intakes | |
| CN109099006A (en) | impeller, blower and rail vehicle | |
| CN205532830U (en) | Automobile engine cooling fan of low rotational noise | |
| CN206054336U (en) | Axial-flow type smoke exhaust fan | |
| CN205064324U (en) | Cooling of EMUs traction motor is with two air -out formula centrifugal fan | |
| CN103629156A (en) | Low-noise and efficient cooling axial flow fan of central air conditioner outdoor unit | |
| CN208364484U (en) | Unilateral side support centrifugal blower entrance constant-current stabilizer | |
| CN209661513U (en) | A kind of supporting structure and dust catcher having both battery carrier and electric wind hood function | |
| CN105889128A (en) | Centrifugal fan blade and outer rotor draught fan as well as air conditioner | |
| CN203674837U (en) | Improved generating set structure | |
| JP2012017896A (en) | Air conditioner | |
| CN205779899U (en) | Centrifugation blade, outer rotor blower fan and air-conditioner | |
| CN206694276U (en) | A kind of flow-mixing blower fan with protective cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
|
| RJ01 | Rejection of invention patent application after publication |