CN2658443Y

CN2658443Y - Guide structure of radiating fan

Info

Publication number: CN2658443Y
Application number: CNU032661479U
Authority: CN
Inventors: 孙颂伟
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2003-06-26
Filing date: 2003-06-26
Publication date: 2004-11-24
Anticipated expiration: 2013-06-26

Abstract

The utility model relates to a flow guide structure of a radiation fan, which mainly comprises a fan module and a flow guide structure, wherein a fan rotor and a motor stator assembly are arranged on the fan module, and a shaft core and a ring joint part are arranged on the motor stator assembly. The fan rotor is pivoted on the shaft core of the motor stator assembly, the flow guide structure is composed of a plurality of flow guide vanes and is integrally formed with the ring joint part of the motor stator assembly, or the flow guide structure is integrally formed with a frame and is assembled on the motor stator assembly. The ring shape part is arranged on the flow guiding vane of the flow guiding structure in a mode of winding in order to decrease the convolution area formed by ventilating current which is reversely pressed to the flow guiding vane of the flow guide structure because of the existence of an electronic component when the fan rotor rotates. The utility model advances the speed and the quality of the fan rotor blowing to the electronic component in order to eliminate the heat produced by the operating electronic component.

Description

The flow guide structure of radiation fan

Technical field

The utility model relates to the flow guide structure of a kind of sink, particularly a kind of radiation fan.

Background technique

During the electrical assembly operation, tend to produce great heat, if this heat fails in time and effectively to discharge, to cause the electrical assembly running to have some setbacks, lower the usefulness of computer or information products overall operation, so be generally effective eliminating heat, often on electrical assembly, add metal heat sink and radiation fan, with the eliminating of accelerated heat; In " assembled fan and the employed diffusing mount structure thereof " that in Taiwan patent announcement number No. 523652, is disclosed, it has one first framework, first diversion division, this first diversion division system is disposed at first framework, wherein this first diversion division is made of plural stator blade and is become arranged radially, when this at least one sink changeed, these a plurality of stator blades can promote the air quantity and the blast of air-flow that this at least one sink produces; In this invention, the back-pressure of returning by the electrical assembly blowback under the stator blade of diversion division distinguished and admirable with radiation fan under the air quantity that blows offset to some extent, thereby influence the radiating efficiency of integral heat sink fan.

Summary of the invention

The purpose of this utility model provides a kind of flow guide structure of radiation fan, can effectively reduce the eddy current under the flow guide structure and increases wind flow and the wind speed that blows under the fan propeller.

The utility model is achieved in that a kind of flow guide structure of radiation fan, it is characterized in that comprising:

One blower module includes a fan propeller, and a motor stator group has a core and articulating portion on this motor stator group, and this fan propeller is articulated in the axle core of motor stator group;

One flow guide structure is made of a plurality of guide vanes;

It is characterized in that having installed ring-like portion on described a plurality of guide vane, and the articulating portion of described guide vane and motor stator group is one-body molded.By this ring-like portion, when rotating to reduce fan propeller distinguished and admirable because of electrical assembly have back-pressure formed eddy current area to the guide vane of flow guide structure, blow speed and the air quantity that reaches electrical assembly in order to do promoting fan propeller.

The utility model can also realize that so a kind of flow guide structure of radiation fan is characterized in that comprising:

One flow guide structure is made of a plurality of guide vanes;

It is characterized in that having installed ring-like portion on described a plurality of guide vane, a described guide vane and a framework are one-body molded, and described framework is mounted on the motor stator group.By this ring-like portion, when rotating to reduce fan propeller distinguished and admirable because of electrical assembly have back-pressure formed eddy current area to the guide vane of flow guide structure, promote fan propeller and blow speed and the air quantity that reaches electrical assembly.

Characteristic on above-mentioned purpose of the present utility model and structure thereof and the function will be illustrated with preferred embodiment according to accompanying drawing.

Description of drawings

Fig. 1 is the utility model first embodiment's a three-dimensional exploded view;

Fig. 2 is the utility model first embodiment's a three-dimensional combination figure;

Fig. 3 is the three-dimensional exploded view at another visual angle of the utility model first embodiment;

Fig. 4 is the three-dimensional combination figure at another visual angle of the utility model first embodiment;

Fig. 5 is the utility model first embodiment's a top view;

Fig. 6 is the utility model first embodiment's a distinguished and admirable schematic representation;

Fig. 7 is traditional distinguished and admirable experiment schematic representation;

Fig. 8 is the utility model first embodiment's a distinguished and admirable experiment schematic representation;

Fig. 9 is the utility model second embodiment's a three-dimensional exploded view;

Figure 10 is the utility model second embodiment's a three-dimensional combination figure;

Figure 11 is the three-dimensional exploded view at another visual angle of the utility model second embodiment;

Figure 12 is another visual angle three-dimensional combination figure of the utility model second embodiment;

Figure 13 is the utility model second embodiment's a top view;

Figure 14 is the utility model second embodiment's a distinguished and admirable schematic representation;

Figure 15 is the utility model and blast of commonly using and distinguished and admirable experimental curve diagram.

Description of reference numerals: 11 blower modules; 111 fan propellers; 12 flow guide structures; 121 radiator shutters; 21 blower modules; 211 fan propellers; 212 motor stator groups; 212a axle core; 212b articulating portion; 22 flow guide structures; 221 guide vanes; 222 ring-like portions; The oblique portion of 222a; The ring-like space of 222b; 23 electrical assemblys; 31 blower modules; 311 fan propellers; 312 motor stator groups; 312a axle core; 312b articulating portion; 32 flow guide structures; 321 guide vanes; 322 ring-like portions; The oblique portion of 322a; The ring-like space of 322b; 323 frameworks; The 323a newel; 33 electrical assemblys; 41 empirical curves; 42 empirical curves.

Embodiment

Fig. 1 to Fig. 6 shows first embodiment of the present utility model, the flow guide structure of the radiation fan that the utility model provides consists predominantly of a blower module 21 and a flow guide structure 22, this blower module 21 includes a fan propeller 211 and a motor stator group 212, has a core 212a and the 212b of articulating portion on this motor stator group 212; This flow guide structure 22 is made of a plurality of guide vanes 221, and guide vane 221 is one-body molded with the 212b of articulating portion of motor stator group 212, installed ring-like 222 on these a plurality of guide vanes 221, this ring-like 222 upper end offers the oblique 222a of portion, and this ring-like the 222 ring-like space 222b of inboard formation.

This fan propeller 211 is articulated on the axle core 212a of motor stator group 212, and this ring-like 222 around on the guide vane 221 that is arranged in flow guide structure 22, the oblique 222a of portion of ring-like 222 upper end can promote distinguished and admirable speed and guides wind to.

After blower module 21 energisings, fan propeller 211 running formed distinguished and admirable via flow guide structure 22 on electrical assembly 23, this one blows distinguished and admirable to the electrical assembly 23, because of the existence of electrical assembly 23 produces back-pressure in guide vane 221 belows of flow guide structure 22, because of ring-like 222 install makes the distinguished and admirable dispersion of back-pressure, and the distinguished and admirable area of complete back-pressure of guide vane 221 belows of minimizing flow guide structure 22, and can avoid ring-like space 222b to produce eddy current for this ring-like 222, so the area of swirl flow reduces, thereby effectively reduce the flow of eddy current, and the oblique 222a of portion that this ring-like 222 upper end offered can quicken the speed of fan propeller 211 canyons stream, so that blowing the wind flow and the speed that reach to electrical assembly 23, blower module 21 integral body effectively increase, to promote the radiating effect of blower module 21.

Fig. 7 and Fig. 8 are the distinguished and admirable schematic representation when commonly using the fan of tool flow guide structure and the utility model and being applied to distinguished and admirable experiment, wherein, Fig. 7 is a distinguished and admirable schematic representation of commonly using the fan of tool flow guide structure, wherein be mounted with fan propeller 111 on the radiating module 11, and articulate with flow guide structure 12 with radiator shutter 121, by the distinguished and admirable situation of flow guide structure among two figure 12 with flow guide structure 22 belows, adding ring-like 222 of being located on the utility model flow guide structure 22 as can be known can disperse back-pressure distinguished and admirable, cause the eddy current of ring-like space 222b effectively to reduce, to reduce the eddy current area of flow guide structure 22 belows, the oblique 222a of portion that ring-like 222 upper end offered can quicken the speed of fan propeller 211 canyons stream, so effectively reduced fan propeller 211 canyons stream and distinguished and admirable the blowing of back-pressure for ring-like 222 to situation, blow wind flow and the speed that reaches electrical assembly 23 and promote fan propeller 211, quicken the eliminating of electrical assembly 23 heats, to keep the normal operation of electrical assembly 23.

Fig. 9 to Figure 14 shows second embodiment of the present utility model, it consists predominantly of a blower module 31 and a flow guide structure 32, this blower module 31 includes a fan propeller 311 and a motor stator group 312, has a core 312a and a 312b of articulating portion on this motor stator group 312; This flow guide structure 32 is made of a plurality of guide vanes 321, this guide vane 321 and a framework 323 are one-body molded, and be surrounded on the periphery of the newel 323a of this framework 323, wherein installed ring-like 322 on these a plurality of guide vanes 321, this ring-like 322 upper end offers the oblique 322a of portion, and this ring-like the 322 ring-like space 322b of inboard formation.

This fan propeller 311 is articulated on the axle core 312a of motor stator group 312, this ring-like 322 around on the guide vane 321 that is arranged in flow guide structure 32, the oblique 322a of portion of ring-like 322 upper end can promote distinguished and admirable speed and guides wind to, and this framework 323 can be mounted on the motor stator group 312.

After blower module 31 energisings, fan propeller 311 running formed distinguished and admirable via flow guide structure 32 on electrical assembly 33, this one blows distinguished and admirable to the electrical assembly 33, because of the existence of electrical assembly 33 produces back-pressure in guide vane 321 belows of flow guide structure 32, because of ring-like 322 install makes the distinguished and admirable dispersion of back-pressure, thereby reduce the distinguished and admirable area of complete back-pressure of guide vane 321 belows of flow guide structure 32, and can avoid ring-like space 322b to produce eddy current for this ring-like 322, so the area of swirl flow reduces, thereby effectively reduce the flow of eddy current, and the oblique 322a of portion that this ring-like 322 upper end offered can quicken the speed of fan propeller 311 canyons stream, effectively increase so that blower module 31 integral body are blown the wind flow and the speed that reach to electrical assembly 33, promote the radiating effect of blower module 31.

Figure 15 is the utility model and blast of commonly using and distinguished and admirable experimental curve diagram, wherein the longitudinal axis is blast (Air Pressure), be the distinguished and admirable distinguished and admirable pressure that produces of back-pressure, its unit is a millimetre water column (mmAq), wherein transverse axis is distinguished and admirable (Air Flow), i.e. it is distinguished and admirable that fan propeller 111,211,311 runnings are produced, and its unit is CFM (cubic feet per minute), wherein empirical curve 41 is of the present utility model, and empirical curve 42 is traditional; In this experimental curve diagram, in high air flow amount district, it is the distinguished and admirable zone behind the 12CFM that is, under identical blast, the distinguished and admirable raising more than 14% that the traditional running of the utility model is produced, this is ring-like 222 of the present utility model, 322 the distinguished and admirable formed eddy current area of back-pressure is reduced, to avoid the distinguished and admirable formed eddy current of back-pressure to stop runner, and the payment fan propeller 211,311 blow downwards distinguished and admirable, influence the size of whole wind flow, effectively improve the reverse pressure of conventional fan rotor 111 and reduce the shortcoming of whole wind flow.

The above only is preferable feasible embodiment of the present utility model, and all variations that utilizes the above-mentioned method of the utility model, shape, structure, device to do all should be contained in the protection domain of the present utility model.

Claims

1, a kind of flow guide structure of radiation fan comprises:

One flow guide structure is made of a plurality of guide vanes;

It is characterized in that having installed ring-like portion on described a plurality of guide vane, and the articulating portion of described guide vane and motor stator group is one-body molded.

2, the flow guide structure of radiation fan as claimed in claim 1 is characterized in that, ring-like upper end offers oblique portion.

3, a kind of flow guide structure of radiation fan comprises:

One flow guide structure is made of a plurality of guide vanes;

It is characterized in that having installed ring-like portion on described a plurality of guide vane, a described guide vane and a framework are one-body molded, and described framework is mounted on the motor stator group.

4, the flow guide structure of radiation fan as claimed in claim 3 is characterized in that, ring-like upper end offers oblique portion.