CN2634161Y

CN2634161Y - Circular unit for reducing fan module eddy area

Info

Publication number: CN2634161Y
Application number: CN 03266529
Authority: CN
Inventors: 孙颂伟
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2003-07-02
Filing date: 2003-07-02
Publication date: 2004-08-18
Anticipated expiration: 2013-07-02

Abstract

The utility model relates to a loop-shaped unit for decreasing the convolution area of a fan module, which mainly comprises a fan module and a loop-shaped unit, wherein the fan module is provided with a fan rotor and a motor stator assembly. The fan rotor is pivoted on the motor stator assembly which is provided with a flow guide structure, and the flow guide structure is composed of a plurality of flow guide vanes. The loop-shaped unit is provided with a build-in groove and is inlaid and fixedly and arranged on the flow guide vanes. The convolution area formed by that wind flow is reversely pressed to the lower part of each of the flow guide vanes because of the existence of an electronic assembly is reduced when a fan rotor rotates in the loop-shaped fan. In addition, the loop-shaped unit is externally embedded on the flow guide vanes, the flow guiding vanes do not need to be manufactured anew in a mode of die opening, and the utility model reaches the efficiency of convenient assembly and reduced cost.

Description

Reduce the ring-like unit of blower module eddy current area

Technical field

The utility model relates to a kind of ring-like unit that reduces blower module eddy current area, refers to especially on the flow guide structure of blower module, is equipped with a ring-like unit.

Background technique

When general electrical assembly operates, tend to produce great heat, if this heat fails in time and effectively to discharge, to cause the electrical assembly operation 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 employed fan frame structure thereof " that the Taiwan patent announcement is disclosed number No. 523652, it has one first framework, first diversion division, this first diversion division 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 turned round, these a plurality of stator blades can promote the air quantity and the blast of air-flow that this at least one sink produces; But in above-mentioned patent, the air quantity that blows under the distinguished and admirable and radiation fan because of the existence back-pressure of electrical assembly under the stator blade of diversion division offsets to some extent, thereby influences the radiating efficiency of integral heat sink fan.

Summary of the invention

Main purpose of the present utility model provides a kind of ring-like unit that can effectively reduce the blower module of the eddy current area under the flow guide structure;

Secondary objective of the present utility model provides a kind of also ring-like unit of the blower module of ease of assembly that reduces cost;

Another purpose of the present utility model provides a kind of ring-like unit that increases the blower module of the wind flow of blowing under the fan propeller.

The ring-like unit of minimizing blower module eddy current area of the present utility model comprises: a blower module, formed by fan propeller and motor stator group, wherein this fan propeller is articulated on the motor stator group, and have a flow guide structure on this motor stator group, this flow guide structure is made of a plurality of guide vane; One ring-like unit is embedded on the guide vane of flow guide structure; Wherein, offer embedded slot on this ring-like unit, to be embedded at guide vane, by this ring-like unit, distinguished and admirablely when rotating there is back-pressure formed eddy current area to the guide vane because of electrical assembly to reduce fan propeller, blow speed and the air quantity that reaches electrical assembly to promote fan propeller, and this ring-like unit adds and is embedded on the guide vane, to reach effect easy to assembly and the cost reduction.

Because the flow guide structure of the utility model on blower module adds ring-like unit, this ring-like unit can make the distinguished and admirable dispersion of back-pressure, thereby the canyon that effectively reduces fan propeller flows and distinguished and admirable the blowing to effect of back-pressure, thereby promote fan propeller and blow speed and the flow that reaches electrical assembly, so can quicken the eliminating of electrical assembly heat, to keep the normal operation of electrical assembly, and the independent die sinking manufacturing of the utility model and being embedded on the blower module, do not need commonly using blower module die sinking manufacturing again, can promote the effect of heat radiation, so can reach quick mounting and the function of saving manufacture cost.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model;

Fig. 2 is a three-dimensional combination figure of the present utility model;

Fig. 3 is a distinguished and admirable schematic representation of the present utility model;

Fig. 4 is the distinguished and admirable experiment schematic representation of commonly using;

Fig. 5 is a distinguished and admirable experiment schematic representation of the present utility model;

Fig. 6 is the utility model and traditional blast and distinguished and admirable experimental curve diagram.

Description of reference numerals: 11 blower modules; 111 fan propellers; 112 motor stator groups; The 112a guide vane; The 112b wheel hub; 12 ring-like unit; 121 embedded slots; 122 oblique portions; 123 ring-like spaces; 13 electrical assemblys; 21 blower modules; 211 fan propellers; 22 guide vanes; 31 empirical curves; 32 empirical curves.

Embodiment

The utility model provides a kind of " reducing the ring-like unit of blower module eddy current area ".Fig. 1 to Fig. 3 shows preferred embodiment of the present utility model, and as shown in the figure, it mainly comprises a blower module 11 and a ring-like unit 12; Wherein this blower module 11 includes a fan propeller 111 and a motor stator group 112, and has a flow guide structure on the set wheel hub 112b of this motor stator group 112, and this flow guide structure is made of a plurality of guide vane 112a; Wherein cooperate the structure of guide vane 112a on this ring-like unit 12 and offer embedded slot 121, and on this ring-like unit 12, offer oblique portion 122.

See also Fig. 2 and Fig. 3, as shown in the figure, this fan propeller 111 is articulated on the motor stator group 112, and the embedded slot 121 of ring-like unit 12 is embedded on the guide vane 112a, form ring-like space 123 between ring-like unit 12 and wheel hub 112b and make.

When fan propeller 111 runnings, distinguished and admirable the blowing downwards that it produced to electrical assembly 13, but because of the existence of electrical assembly 13 is descended to form back-pressure distinguished and admirable in guide vane 112a, this back-pressure is distinguished and admirable blows when being back to ring-like unit 12, be subjected to the dispersion of ring-like unit 12, make that formed eddy current area reduces under the guide vane 112a, and and then make that the back-pressure of part is distinguished and admirable to enter ring-like space 123, and the back-pressure that the oblique portion 122 that these 12 upper ends, ring-like unit are offered can make the canyon stream of fan propeller 111 avoid in the ring-like space 123 is distinguished and admirable, and can quicken the speed of fan propeller 111 canyons stream, the radiating effect of blower module 11 integral body is effectively increased.

Because of the embedded slot 121 of this ring-like unit 12 cooperates the structure of guide vane 112a to offer and be embedded on the guide vane 112a, can be mounted on the guide vane 112a fast, and this ring-like unit 12 is one-body molded separately, do not need the motor stator group 112 die sinkings to make again, can promote the effect of heat radiation, so the utility model can reach effect easy to assembly and that cost reduces.

Fig. 4 and Fig. 5 are respectively the distinguished and admirable schematic representation of the blower module 21 of commonly using the tool flow guide structure when being applied to distinguished and admirable experiment with the utility model, wherein as shown in Figure 4, be mounted with fan propeller 211 on this blower module 21, and articulate with flow guide structure with guide vane 22, distinguished and admirable situation by guide vane 112a among two figure and guide vane 22 belows, add the ring-like unit of being located on the utility model guide vane 112a 12 as can be known, can disperse back-pressure distinguished and admirable, thereby the eddy current area under the minimizing guide vane 112a, the oblique portion 122 that 12 upper ends, ring-like again unit are offered can quicken the speed of fan propeller 111 canyons stream, so ring-like unit 12 effectively reduces the canyon stream and distinguished and admirable the blowing to situation of back-pressure of fan propeller, blow wind flow and the speed that reaches electrical assembly 13 and promote fan propeller 111, quicken the eliminating of electrical assembly 13 heats, to keep the normal operation of electrical assembly 13.

Fig. 6 is the utility model and traditional blast and distinguished and admirable experimental curve diagram, wherein the longitudinal axis is blast (AirPressure), 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 running is produced, and its unit is CFM (cubicfeet per minute), wherein empirical curve 31 is the utility model, and empirical curve 32 is a conventional art; 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 utility model can improve more than 14% with distinguished and admirable the comparing that the tradition running is produced, this is that ring-like unit 12 of the present utility model reduces the distinguished and admirable formed eddy current area of back-pressure, to avoid stopping runner as the distinguished and admirable formed eddy current of traditional back-pressure, and the whole wind flow of distinguished and admirable influence that payment fan propeller 111 blows downwards, not only effectively improve the reverse pressure of conventional fan rotor 211, even quicken the speed of fan propeller 111 canyons stream.

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 ring-like unit that reduces blower module eddy current area is characterized in that comprising:

One blower module is made up of fan propeller and motor stator group, and wherein this fan propeller is articulated on the motor stator group, and has a flow guide structure on this motor stator group, and this flow guide structure is made of a plurality of guide vane;

One ring-like unit is embedded on the guide vane of flow guide structure;

Wherein, offer embedded slot on this ring-like unit, being embedded on the guide vane, and this ring-like unit adds and is embedded on the guide vane.

2, a kind of ring-like unit that reduces blower module eddy current area as claimed in claim 1, upper end, ring-like unit wherein offers oblique portion.