CN206360906U - A kind of fan - Google Patents
A kind of fan Download PDFInfo
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- CN206360906U CN206360906U CN201621270884.3U CN201621270884U CN206360906U CN 206360906 U CN206360906 U CN 206360906U CN 201621270884 U CN201621270884 U CN 201621270884U CN 206360906 U CN206360906 U CN 206360906U
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- fan
- flabellum
- guide part
- electric machine
- machine support
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Abstract
The utility model discloses a kind of fan, belong to technical field of electrical equipment, designed to solve the problem of existing fan noise is big.The utility model fan includes circumferentially arranged multiple flabellums, electric machine support and the electric machine support being arranged in front of flabellum, electric machine support includes circumferentially arranged multiple ribs, each rib includes the first guide part respectively, and air-out direction of first guide part along flabellum is set.The utility model fan reduces air-flow and pats the interaction noise that causes of electric machine support, and the noise of fan is small, tonequality is good；It is additionally increase air ducting while weaken the circumferential component velocity of flabellum output gas flow, reduce energy loss, improve air-supply efficiency, compact conformation, fan thickness is small, occupy little space.
Description
Technical field
The utility model is related to technical field of electrical equipment, more particularly to a kind of fan.
Background technology
Existing fan especially box fan, as depicted in figs. 1 and 2, mainly includes fore shell 1, rear shell 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 installation portion 5 and the periphery of installation portion 5 connects
Several flat wide ribs 4 connect, long side and the Plane of rotation of flabellum 3 of the cross section of rib 4 are normalized relationship.
The fan of this structure has the disadvantages that：1st, the air-flow outbound course of flabellum 3 and the direction of rib 4 form an angle
Degree, high velocity air is patted on rib 4, forms periodic noise, and tonequality is not good；What the 2nd, general fan was produced is rotary pneumatic
Stream, swirling eddy has a circumferentially tangential component velocity, thus to the air output in front of fan is small, air-supply efficiency is low, although one
In a little technical schemes, as shown in figure 3, extra between the front of flabellum 3 and blade-rotating (i.e. inducer 6) set air ducting 7 to solve
The certainly problem, but which again increases the number of components of fan so that fan integral thickness increase, fan entirety space-consuming is big
And it is heavier.
Utility model content
In view of above mentioned problem, a purpose of the present utility model is the fan for proposing that a kind of noise is low；
An another purpose of the utility model is to propose a kind of fan for efficiency high of blowing.
For up to this purpose, the utility model uses following technical scheme：
A kind of fan, including circumferentially arranged multiple flabellums and the electric machine support being arranged in front of the flabellum, it is described
Electric machine support includes circumferentially arranged multiple ribs, and each rib includes the first guide part respectively, and described first is oriented to
Air-flow outbound course of the portion along the flabellum is set.
Further, each rib respectively further comprises the second guide part, second guide part and corresponding
First guide part be formed in one structure and positioned at first guide part the remote flabellum side, described second
Guide part by the air-flow being oriented to through first guide part be directed in front of the fan and with the axis of the electric machine support
Angle is θ1Direction, 0≤θ1≦θ2, θ2For the air-flow outbound course and the angle of electrical axis of flabellum.
Further, the diameter parallel of second guide part and the electric machine support.
Further, air-flow outbound course of second guide part along the flabellum is set.
Further, the quantity of the rib is more than or equal to the quantity of 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, rear shell and motor, and the flabellum and the electric machine support are placed in described
In the space that fore shell and rear shell are surrounded and the flabellum is connected with the output shaft of the motor, the electric machine support supports the electricity
Machine.
The beneficial effects of the utility model are as follows：
The fan that the utility model is provided, the air-out direction of the first guide part of the rib of electric machine support along flabellum is set,
The air-flow that flabellum output can be reduced pats the interaction noise that causes of electric machine support, and the noise of fan is small, tonequality is good；In no volume
The circumferential component velocity of flabellum output gas flow is weakened, energy loss is reduced, improves air-supply while outer increase air ducting
Efficiency, compact conformation, fan thickness is small, occupy little space.
The fan that the utility model is provided, the gas that the second guide part of the rib of electric machine support will be oriented to through the first guide part
Stream is directed to in motor rack diameter parallel direction to the scope consistent with the air-flow outbound course of flabellum, not increasing additionally
The circumferential component velocity of flabellum output gas flow, blow efficiency high, compact conformation, wind can be reduced or even eliminated while air ducting
Fan thickness is small, occupy little space.
Brief description of the drawings
Fig. 1 is the front view of existing fan；
Fig. 2 is Fig. 1 sectional view；
Fig. 3 is the structural representation of existing fan；
Fig. 4 is the front view for the fan that the utility model preferred embodiment one is provided；
Fig. 5 is the shaft side figure for the fan that the utility model preferred embodiment one is provided；
Fig. 6 is the sectional view for the fan that the utility model preferred embodiment one is provided；
Fig. 7 is the partial enlarged drawing at A in Fig. 6；
Fig. 8 is the front view for the fan that the utility model preferred embodiment two is provided；
Fig. 9 is the shaft side figure for the fan that the utility model preferred embodiment two is provided；
Figure 10 is the sectional view for the fan that the utility model preferred embodiment two is provided；
Figure 11 is the partial enlarged drawing at B in Figure 10；
Figure 12 is the sectional view for the fan that the utility model preferred embodiment three is provided；
Figure 13 is the partial enlarged drawing at C in Figure 12.
In figure：
1st, fore shell；2nd, rear shell；3rd, flabellum；4th, rib；5th, installation portion；6th, inducer；7th, air ducting；41st, first it is oriented to
Portion；42nd, the second guide part.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
Preferred embodiment one：
This preferred embodiment provides a kind of fan, and it is preferred but is not limited to box fan.Fig. 4 is referred to Fig. 7, this reality
Applying the fan of example includes fore shell 1, rear shell 2, circumferentially arranged multiple flabellums 3 and the electric machine support for being arranged at the 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
Outbound course is flowed to set.
The fan of the present embodiment, the air-out direction of the first guide part 41 of rib 4 along flabellum 3 is set, the gas that flabellum 3 is exported
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 caused, the noise of fan is small, tonequality is good；It is defeated that flabellum 3 is weakened while no additionally increase air ducting
Go out the circumferential component velocity of air-flow, reduce energy loss, improve air-supply efficiency, compact conformation, fan thickness are small, space-consuming
It is small.
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 be formed in one structure and positioned at the first guide part 41 remote flabellum 3 side, second guiding
The air-flow being oriented to through the first guide part 41 is directed in front of fan and is θ with the angle of the axis of electric machine support by portion 421Side
To 0≤θ1≦θ2, θ2For the air-flow outbound course and the angle of electrical axis of flabellum 3.
Second guide part 42 by the air-flow being oriented to through the first guide part 41 be directed to motor rack diameter parallel direction to
In the consistent scope of the air-flow outbound course of flabellum 3, this structure it is no additionally increase air ducting while can reduce
Even eliminate the circumferential component velocity of the output gas flow of flabellum 3, blow efficiency high, compact conformation, fan thickness is small, occupy little space.
The quantity of rib 4 is not specifically limited, and air-supply efficiency can be improved on the premise of motor is supported.But it is preferred that
Ground, the quantity of rib 4 is 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, power of the size of flabellum 3, 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 the quantity of flabellum 3.
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 the basic phase of preferred embodiment one
Together, including circumferentially arranged multiple flabellums 3 and the electric machine support for being arranged at the front of flabellum 3, electric machine support includes circumferentially setting
The multiple ribs 4 put, each rib 4 includes the first guide part 41, air-flow outbound course of first guide part 41 along flabellum 3 respectively
Set.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 side of the guide part 41 away from flabellum 3, the second guide part 42 will be oriented to through the first guide part 41
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：Air-flow outbound course of second guide part 42 along flabellum 3 is set, i.e. θ1=θ2。
The rib 4 of this structure make it that the noise of fan is smaller, 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 include edge
Circumferentially disposed multiple ribs 4, each rib 4 includes the first guide part 41 respectively, and air-flow of first guide part 41 along flabellum 3 is defeated
Outgoing direction is set.Each rib 4 respectively further comprises the second guide part 42, the second guide part 42 and the first corresponding guide part
41 are formed in one structure and positioned at the first side of the guide part 41 away from flabellum 3, and the second guide part 42 will be through the first guide part
It is θ that 41 air-flows being oriented to, which are directed to the angle of the axis of electric machine support,1Direction, 0≤θ1≦θ2, θ2Air-flow for flabellum 3 is defeated
The angle of outgoing direction and electrical axis.
Difference is：Second guide part 42 and the diameter parallel of 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 after electric machine support, greatly energy loss is reduced while reducing fan noise, air-supply effect is improved
Rate.
By experiment, the fan delivery of existing structure electric machine support is used for 48m3/ min, using this preferred embodiment
The fan delivery of electric machine support is 51m3/min。
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to the utility model protection domain can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within protection domain of the present utility model.
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 rib (4) includes the respectively
One guide part (41), air-flow outbound course of first guide part (41) along the flabellum (3) is set.
2. fan according to claim 1, it is characterised in that each rib (4) respectively further comprises the second guide part
(42), second guide part (42) and corresponding first guide part (41) are formed in one structure and positioned at described
The side of the remote flabellum (3) of first guide part (41), second guide part (42) will be through first guide part
(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, θ2The angle of air-flow outbound course and electrical axis for flabellum (3).
3. fan according to claim 2, it is characterised in that second guide part (42) and the axle of the electric machine support
Line is parallel.
4. fan according to claim 2, it is characterised in that gas of second guide part (42) along the flabellum (3)
Outbound course is flowed to set.
5. according to any described fan of Claims 1-4, it is characterised in that the quantity of the rib (4) is more than or equal to described
The quantity of flabellum (3).
6. according to any described fan of Claims 1-4, it is characterised in that the quantity of the rib (4) is not equal to flabellum
(3) integer multiple of quantity.
7. according to any described fan of Claims 1-4, it is characterised in that the quantity of the rib (4) is 6.
8. according to any described fan of Claims 1-4, it is characterised in that the fan is box fan.
9. according to any described fan of Claims 1-4, it is characterised in that the fan also includes fore shell (1), rear shell (2)
And motor, the flabellum (3) is connected with the output shaft of the motor, and the electric machine support is connected in the fore shell (1) and branch
Support the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270884.3U CN206360906U (en) | 2016-11-22 | 2016-11-22 | A kind of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621270884.3U CN206360906U (en) | 2016-11-22 | 2016-11-22 | A kind of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360906U true CN206360906U (en) | 2017-07-28 |
Family
ID=59373167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621270884.3U Active CN206360906U (en) | 2016-11-22 | 2016-11-22 | A kind of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523402A (en) * | 2016-11-22 | 2017-03-22 | 珠海格力电器股份有限公司 | Fan |
-
2016
- 2016-11-22 CN CN201621270884.3U patent/CN206360906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523402A (en) * | 2016-11-22 | 2017-03-22 | 珠海格力电器股份有限公司 | Fan |
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