CN202301183U

CN202301183U - Fan frame body structure with pressure relief prevention function

Info

Publication number: CN202301183U
Application number: CN2011203976510U
Authority: CN
Inventors: 刘文豪; 尹冠尘
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2011-10-18
Filing date: 2011-10-18
Publication date: 2012-07-04
Anticipated expiration: 2021-10-18

Abstract

The utility model relates to a fan frame body structure with a pressure relief prevention function. The fan frame body structure comprises a frame body and a plurality of relief prevention parts, wherein the frame body is provided with an accommodating space and a shaft seat accommodated in the accommodating space, a plurality of flow guide elements are in extending connection onto the corresponding inner wall of the frame body along the peripheral side of the shaft seat, and the relief prevention parts are arranged on the inner wall of the frame body and are positioned among the flow guide elements. The goal of improving the fan performance is reached through forming the relief prevention parts on the inner wall of the frame body arranged among the flow guide elements.

Description

The fan framework construction of the anti-pressure release of tool

Technical field

This creation system refers to a kind of fan framework construction with the anti-pressure release of tool that promotes fan performance especially relevant for a kind of fan framework construction.

Background technique

Along with electronic product towards high-performance, high frequency, high-speed and lightening developing rapidly; Cause the heating temperature of electronic product increasingly high; Thereby be easy to generate wild effect; Influence production reliability and working life, therefore heat radiation has become one of important topic of electronic product, is to be common structure setting and utilize fan as sink.

Because general fan can produce vortex phenomenon between the plural blade on it in running, and this vortex phenomenon reduces whole fan performance (like air quantity) easily, so just the dealer develops a kind of loop fan in order to improve this problem.

See also 1A, 1B figure; The loop fan 1 of convention is to comprise a framework 10 and an impeller 11; This framework 10 has an air side 101, an inlet air side 102 and a beam barrel 104, and this air side 101 is relative inlet air side 102 and defines a containing space 12 jointly that these containing space 12 contents are provided with aforementioned impeller 11; This beam barrel 104 is the centre that is arranged at containing space 12, and is pivoted with corresponding impeller 11.

The aforementioned impeller 11 of person has a wheel hub 111 and plural blade 112 in addition; These blades 112 are that ring is located on the outer circumferential side of this wheel hub 111; And be formed with a ring body 14 on its free end; This ring body 14 is that the free end along these blades 112 connects and composes, and defines a space 15 with this framework 10 inwalls relatively; So when fan running, see through aforementioned ring body 14 and effectively reduce the eddy current generation between these blades, use the lifting fan performance.

So; Though convention loop fan 1 sees through the problem that ring body 14 can effectively reduce the eddy current generation, extends another problem, because loop fan 1 imports fluid when running from inlet air side 102; And when guiding away by air side 101 again; This air side 101 can produce negative pressure appearances, and the fluid 17 that part is derived can reflux and flow out from aforementioned interspace 15, then can with the fluid that imports mutual interference and produce flow-disturbing mutually; Have some setbacks so that fluid flows, and then cause whole fan performance to descend and the noise raising.

The above, convention has following shortcoming:

1. fan performance reduces;

2. noise improves.

Be with, how to solve above-mentioned problem of commonly using and disappearance, the creator who is this case and the relevant manufacturer that is engaged in the industry desire most ardently the direction place person of research improvement.

The model utility content

Hence this is the above-mentioned problem that effectively solves, and the main purpose of this creation is providing a kind of fan framework construction with the anti-pressure release of tool that promotes fan performance.

The secondary objective of this creation is to provide a kind of to have at movable vane that does not change fan or static blade angle, can effectively reach the fan framework construction of the anti-pressure release of tool that promotes flow.

For reaching above-mentioned purpose; This creation system provides the fan framework construction of the anti-pressure release of a kind of tool, is to comprise a framework and plural number is anti-lets out portion, and this framework cording has a containing space and an axle bed; This axle bed system is installed with in this containing space; Plural number conducting element system receives to the framework inwall of correspondence along all sides of this axle bed, and these systems of anti-portions of letting out are located on this framework inwall, and it is formed at these conducting elements each other; See through this structure Design of this creation, promote the effect person of the fan performance in order to do making effectively to reach.

Description of drawings

1A figure is the exploded perspective schematic representation of convention;

1B figure is the generalized section of convention;

The 2nd figure is the schematic perspective view of first preferred embodiment of this creation;

The 3rd figure is the combination schematic perspective view of the fan of this creation;

The 4th figure is the fan generalized section of first preferred embodiment of this creation;

The 5th figure is the fan exploded perspective schematic representation of first preferred embodiment of this creation;

The 6th figure is the schematic perspective view of second preferred embodiment of this creation;

The 7th figure is the fan generalized section of second preferred embodiment of this creation;

The 8th figure is the fan exploded perspective schematic representation of second preferred embodiment of this creation;

The 9th figure is the fan characteristic schematic representation of this creation compared to convention.

[primary component symbol description]

Fan ... 2

Framework ... 21

Containing space ... 211

Inlet air side ... 212

Air side ... 213

Axle bed ... 22

Base portion ... 221

Beam barrel ... 222

The anti-portion of letting out ... 23

First end ... 231

Second end ... 232

Impeller ... 24

Wheel hub ... 241

Blade ... 242

Conducting element ... 25

First connecting end ... 251

Second connecting end ... 252

Opening ... 26

Reflux fluid ... 3

This creation P-Q curve ... T1

Convention P-Q curve ... T2

Embodiment

Characteristic on the above-mentioned purpose of this creation and structure thereof and the function will be explained according to appended graphic preferred embodiment.

This creation is the fan framework construction of the anti-pressure release of a kind of tool, sees also combination and exploded perspective schematic representation that the 2nd, 3 diagram systems show one of this creation first preferred embodiment; This fan framework construction system comprises a framework 21 and the anti-portion 23 of letting out of plural number; These framework 21 cordings have a containing space 211 and an axle bed 22; This containing space 211 is provided with the air side 213 of an inlet air side 212 and relative this inlet air side 212; This inlet air side 212 defines said containing space 211 jointly with air side 213, and this containing space 211 is in order to be installed with an impeller 24; And this impeller 24 has a wheel hub 241 and plural blade 242, and these blades 242 are to establish formation along all side rings outside this wheel hub 241, institute so that impeller 24 in when running the outside fluid is imported from inlet air side 212 and pressurization after, 213 fluid derived go through the air side again.

The aforementioned axle bed 22 of person is to be installed with in this containing space 211 in addition; And be located at adjacent this air side 213, and it has a base portion 221 and a beam barrel 222, this beam barrel 222 is to extend axially formation from this base portion 221; And be pivoted mutually with corresponding aforementioned impeller 24, to constitute a fan 2.Plural number conducting element 25 is to do explanation with flabellum in this preferable enforcement, but is not limited thereto, and also can be a rib.

Moreover these conducting elements 25 are to be located between this axle bed 22 and framework 21 inwalls; It is to receive to framework 21 inwalls of correspondence along these axle bed 22 all sides; And it is provided with one first connecting end 251 and one second connecting end 252; This first connecting end 251 is to be fixed on relative these base portion 221 all sides, and 252 of this second connecting ends are affixed with corresponding framework 21 inwalls

Continuous the 4th, 5 diagrams of consulting; Be aided with and consult the 2nd diagram, aforementionedly anti-let out portion 23 and be located on these framework 21 inwalls, it is to be formed on these conducting elements 25 each other; And it has one first end 231 and one second end 232; This first end 231 is that second connecting end 252 with adjacent this conducting element 25 joins, and with the configuration one, this second end 232 then and between second connecting end 252 of another relative conducting element 25 defines an opening 26.

Other is the person; Anti-to let out portion 23 be that the one ejection formation is done explanation in correspondence on these conducting elements 25 framework 21 inwalls to each other in these of this preferable enforcement, but be not limited to this, when practical implementation; Aforementionedly anti-let out portion 23 and also can be considered single structure; And be arranged on these conducting elements 25 framework 21 inwalls to each other with Placement, constituting one with conducting element 25 and framework 21, wherein aforementioned Placement system is chosen as bonding or chimeric.

Moreover this is created when reality is implemented, and the user can be according to the demand of air quantity and anti-pressure release effect, and aforementioned anti-shape or the size of letting out portion 23 of design adjustment closed first Chen Ming.

So when the impeller 24 of fan 2 turns round; Fluid can be after 212 importings of inlet air side and pressurization outside making, and seeing through these conducting elements 25 derives the fluid of containing space 211 from this air side 213, simultaneously this air side 213 meeting generations one reflux fluid 3; And by these anti-letting out after portion 23 stops that reflux fluid 3 is back to inlet air side 212; To stop that again the reflux fluid 3 that falls guides away from this air side 213, so that this reflux fluid 3 and irrelevant the disturbing of fluid that inlet air side 212 imports, it is smooth and easy to let fan 2 derive fluids; So that effectively reach outside the effect of anti-pressure release, and then more effectively promote whole fan performance.

In addition, seeing also the 2nd, 9 diagrams is fan characteristic (the Air Volume Curve that convention is compared in this creation; Also be referred to as P (static pressure)-Q (air quantity) curve); From figure, can find out and see through the anti-P-Q curve T1 that portion 23 is appeared that lets out of this creation; Obviously next lifting than the P-Q curve T2 of convention; That is the flow of the flow-rate ratio convention of this creation improves a lot; Therefore, in order to do making, just can effectively reach the effect that promotes flow at movable vane that does not change fan or static blade angle.

Seeing also the 3rd, 6,7,8 diagrams, is combination and the exploded perspective schematic representation that shows second preferred embodiment of this creation; Structure of this preferred embodiment and connection relationship and effect thereof are roughly identical with aforementioned first preferred embodiment; So do not give unnecessary details again at this; Both are difference: these anti-first and second ends 231,232 of letting out portion 23 are second connecting end 252 that connects corresponding conducting element 25 respectively; That is wherein anti-first end 231 of letting out portion 23 is second connecting end 252 that connects a relative conducting element 25; Its other end then is connected with second connecting end 252 of corresponding another conducting element 25, so that these anti-portions 23 of letting out link into an integrated entity with second connecting end 252 of corresponding these conducting elements 25, and constitutes a ring body.

Stop that reflux fluid 3 is back to inlet air side 212 so see through these anti-ring bodies of letting out portion's 23 formations, use the anti-pressure release effect that reaches excellent, and then more effectively promote the effect of whole fan performance.

The above this creation has following advantage compared to convention:

1 has the effect of anti-pressure release;

2. has the effect that promotes fan performance.

Claims

1. the fan framework construction of the anti-pressure release of tool is characterized in that, comprising:

One framework has a containing space and an axle bed, and this axle bed is installed with in this containing space, and a plurality of conducting elements are received to the framework inwall of correspondence along all sides of this axle bed;

And a plurality ofly anti-let out portion, be located on this framework inwall, and it is formed on said conducting element each other.

2. the fan framework construction of the anti-pressure release of tool as claimed in claim 1 is characterized in that aforementioned containing space is provided with the air side of an inlet air side and relative this inlet air side, and this inlet air side and air side are defined said containing space jointly.

3. the fan framework construction of the anti-pressure release of tool as claimed in claim 2 is characterized in that said axle bed is located at adjacent this air side, and has a base portion and a beam barrel that this beam barrel extends axially formation from this base portion, and is pivoted mutually with a corresponding impeller.

4. the fan framework construction of the anti-pressure release of tool as claimed in claim 2; It is characterized in that; Said conducting element is located between this axle bed and the framework inwall; And it is provided with one first connecting end and from outward extending second connecting end of this first connecting end, and this first connecting end is fixed on all sides of relative this base portion, and this second connecting end is then affixed with corresponding framework inwall.

5. the fan framework construction of the anti-pressure release of tool as claimed in claim 4; It is characterized in that; The said anti-portion of letting out has one first end and one second end, and this first end is connected with adjacent this second connecting end, and this second end then and between second connecting end of another relative conducting element defines an opening.

6. the fan framework construction of the anti-pressure release of tool as claimed in claim 1 is characterized in that, saidly anti-ly lets out portion's one ejection formation on the said conducting element of correspondence framework inwall to each other.

7. the fan framework construction of the anti-pressure release of tool as claimed in claim 4 is characterized in that, the said anti-portion of letting out has one first end and one second end, and this first and second end connects second connecting end of corresponding conducting element respectively, to constitute a ring body.

8. the fan framework construction of the anti-pressure release of tool as claimed in claim 1 is characterized in that said conducting element is a flabellum or a rib.