CN105317705A

CN105317705A - Fan structure

Info

Publication number: CN105317705A
Application number: CN201410230572.9A
Authority: CN
Inventors: 巫俊铭
Original assignee: Asia Vital Components Co Ltd
Current assignee: Asia Vital Components Co Ltd
Priority date: 2014-05-28
Filing date: 2014-05-28
Publication date: 2016-02-10
Anticipated expiration: 2034-05-28
Also published as: CN105317705B

Abstract

Provided is a fan structure. The fan structure comprises an upper cover, a fan frame body, a stator assembly and a hub. The fan frame body is provided with a first side, a second side, a third side and a fourth side. The first side and the third side are provided with an air inlet and an air outlet respectively, and the second side and the fourth side are provided with a first side wall and a second side wall respectively. The first side wall is provided with a protruding part, and the second side wall is provided with a blocking part. In this way, the fan structure achieves air intake and air exhaust from the side edge, air intake space of the fan structure can be reduced so as to effectively decrease the overall thickness, and meanwhile the effects of maintaining thinned design and improving operation performance can be achieved; the problem of noise generated for the reason that no sheltering effect on an upper air inlet and a lower air inlet exists can be effectively solved at the same time, and the noise can be effectively reduced.

Description

Fan structure

[technical field]

A kind of fan structure, espespecially one can reduce the fan structure of integral thickness and improving performance and the generation of reduction noise.

[background technique]

Press, in recent years with the development of work electronic industry, the performance of electronic component promotes rapidly, calculation process speed goes is fast, and the arithmetic speed of its internal wafer group constantly promotes, number of wafers also constantly increases, and the heat also corresponding increase that aforementioned wafer is operationally distributed, if these thermals source are not distributed immediately, by the performance of extreme influence electronic component, the calculation process speed of electronic component is reduced, and constantly accumulating with work heat, also electronic component may be burnt, the ㄧ of the important topic having become electronic component of therefore dispelling the heat, and utilize radiation fan to be common method as sink.

And the radiation fan that it used in limited system space is using small-sized centrifugal cutter as antipyretic use, refer to 1A, shown in 1B and 1C figure, this centrifugal cutter 1 consists predominantly of a framework 11, one lid 12, one fan wheel Hub 13, and be located on the plural flabellum 14 of this fan wheel Hub outside, wherein said framework 11 leeward has an intake grill 111, and this lid 12 also has an intake grill 121, and this lid 12 is covered on above described framework 11, and be formed with an exhaust outlet 112 in side after establishing with described framework 11 groups, and this fan wheel Hub 13 and flabellum 14 are mounted between framework 11 and lid 12 relatively, then surrounding atmosphere flowing is rotarily driven through these flabellums 14 when this fan wheel Hub 13 operates, will from the intake grill 111 of upper and lower, 121 axial flows entered turn to is discharged by exhaust outlet 112 after the radial air flow of this fan wheel Hub 13.

But during wherein said centrifugal cutter 1 product specification, the needing up and down of its fan wheel Hub 13 is reserved with inlet air space, that is its fan wheel Hub 13 and flabellum 14 need and bottom lid 12 and framework 11 between be reserved with inlet air space, but mainly consider when using with regard to centrifugal cutter that condition needs slimming to design exactly, but its reserved inlet air space will increase its integral thickness; When maybe needing again consider its slimming design and reduce upper and lower inlet air space, its centrifugal cutter 1 operation performance will be affected; More and described fan wheel Hub 13 and flabellum 14 in time operate, the intake grill 111,121 of its lid 12 and framework 11 also can increase the running noise of its centrifugal fan.

Therefore known there is its own shortcomings:

Slimming difficult design;

Fan operation performance is influenced;

Easy increase running noise.

Therefore how will solve the above-mentioned problem commonly used and disappearance, the inventor being this case and the relevant manufactures being engaged in the industry desire most ardently place, the direction person studying improvement.

[novel content]

Whence this, for solving the shortcoming of above-mentioned known techniques, the main purpose of the present invention, provides one can reduce the fan structure of integral thickness and improving performance.

The fan structure that another object of the present invention is providing one can reduce noise generation.

For reaching above-mentioned purpose, the invention provides a kind of fan structure, comprising: a upper cover; One fan frame body, cover corresponding with described upper cover is jointly defined a containing space and has a beam barrel, and this fan frame body has one first side and one second side and one the 3rd side and one the 4th side, described first side has a wind inlet and the 3rd side has an exhaust outlet, and this second side has a first side wall and the 4th side has one second sidewall, this the first side wall has and extends to one of described wind inlet teat, and this second sidewall has one grade of portion; Stator group part, is arranged in described containing space and to be sheathed on described beam barrel outside; And one takes turns Hub, to be arranged in described containing space and to be sheathed on described stator pack outside, and this is taken turns Hub and is extended with plural exhibition portion laterally, this exhibition portion relatively takes turns the Hub the other end and is provided with plural flabellum.

There is between described teat and described exhaust outlet one first extension part, there is between described first extension part and described flabellum one first flaring space and one first distance.

There is between described shelves portion and described wind inlet one second extension part, there is between described second extension part and described flabellum one second flaring space and a second distance.

Described first distance is formed on a horizontal tangent position with described second distance and the described Hub of wheel center, and described first distance is greater than the first distance twice and at least twice.

The length in described exhibition portion is greater than the length of described flabellum.

Between described each flabellum, there is a junction, and each flabellum connects around group via this first joint, make its flabellum present ring-type, and this joint separately connects described exhibition portion relatively takes turns the Hub the other end.

By this, described fan structure is by side inlet air and side air-out, make its fan structure can reduce inlet air space to design and the effect promoting operation performance effectively to reduce integral thickness and its slimming can be maintained simultaneously, and can effectively solve because upper and lower wind inlet is without the noise problem that capture-effect produced simultaneously, effectively can reduce the problem of noise generation.

[accompanying drawing explanation]

Figure 1A perspective exploded view;

Figure 1B solid combination schematic diagram;

Fig. 1 C combines cross-sectional schematic;

Fig. 2 is the perspective exploded view of the present invention first preferred embodiment;

Fig. 3 is the partial exploded view of the present invention first preferred embodiment;

Fig. 4 is the floor map of the present invention first preferred embodiment;

Fig. 5 is the enforcement schematic diagram of the present invention first preferred embodiment;

Fig. 6 is the decomposing schematic representation of the present invention second preferred embodiment;

Fig. 7 A is the decomposing schematic representation of the present invention the 3rd preferred embodiment;

Fig. 7 B is the decomposing schematic representation of the present invention the 3rd preferred embodiment.

Fan structure 2

Upper cover 3

Fan frame body 4

Containing space 41

Beam barrel 411

First side 42

Second side 43

3rd side 44

4th side 45

Wind inlet 46

Exhaust outlet 47

The first side wall 48

Teat 481

First flaring space 482

Extension part 483

Second sidewall 49

Shelves portion 491

Second flaring space 492

Second extension part 493

Stator module 5

Wheel Hub 6

Exhibition portion 61

Minister's Zhan degree L2

Flabellum 62

Flabellum length L1

Joint 63

First distance D1

Second distance D2

[embodiment]

Characteristic on the above-mentioned purpose of the present invention and structure and fuction thereof, will be explained according to the preferred embodiment of institute's accompanying drawings.

Refer to shown in Fig. 2, Fig. 3 and Fig. 4, for the perspective exploded view of fan structure first of the present invention preferred embodiment and partial exploded view and floor map, as shown in the figure, the fan structure 2 of the present invention includes a upper cover 3 and a fan frame body 4 and stator group part 5 and and takes turns Hub 6;

Wherein said upper cover 3 covers this fan frame body 4 and jointly defines a containing space 41, and this fan frame body 4 has a beam barrel 411 in center position, and this fan frame body 4 has one first side 42 and one second side 43 and one the 3rd side 44 and one the 4th side 45, wherein this first side 42 has a wind inlet 46 and has an exhaust outlet 47 with the 3rd side 44, and this second side 43 has a first side wall 48 and the 4th side 45 has one second sidewall 49, and this first side wall 48 has a teat 481, this teat 481 is extended from the first side wall 48 toward wind inlet 46 direction, and between this teat 481 and exhaust outlet, there is one first extension part 483, and this second sidewall 49 has one grade of portion 491, there is between wherein said shelves portion 491 and described wind inlet 46 one second extension part 493.

Wherein this stator module 5 to be arranged in described containing space 41 and to be sheathed on described beam barrel 411 outside, and this is taken turns Hub 6 and to be arranged at equally in described containing space 41 and to be sheathed on described stator pack outside, and this is taken turns Hub 6 and is extended with plural exhibition portion 61 laterally, this exhibition portion 61 relatively wheel Hub 6 the other end is provided with plural flabellum 62, there is between the front end of its each flabellum and rear end a flabellum length L1, and described flabellum 62 position has a junction 63 connecting all flabellums 62, its joint 63 makes described flabellum 62 present ring-type mutually to connect around group, and this joint 63 is simultaneously for wheel Hub 6 the other end connection relatively of described exhibition portion 61, its exhibition portion 61 is made to connect all flabellums 62 through described joint 63, and in the present embodiment, its exhibition portion 61 extends to described joint 63 by wheel Hub 6, and this exhibition portion 61 is formed with an exhibition minister degree L2 between wheel Hub 6 and joint 63, and its exhibition minister degree L2 is greater than the flabellum length L1 that its flabellum is formed between front end and rear end, and there is between flabellum 62 and described first extension part 483 one first flaring space 482 and one first distance D1, and there is between flabellum 62 and described second extension part the second flaring space 492 and second distance D2, wherein said first distance D1 and described second distance D2 and the described Hub of wheel 6 center are formed on a horizontal tangent position, and described first distance D1 is greater than second distance D2 twice and at least twice.

Separately refer to shown in Fig. 5, for the enforcement schematic diagram of fan structure first of the present invention preferred embodiment, as shown in the figure, when the fan structure 2 of the present invention operates, the described Hub 6 that takes turns rotates in described containing space 41 with flabellum 62, to be entered in containing space 41 by the wind inlet 46 of the first side 42 in the outer air-flow of simultaneously its fan structure 2 of rotation and sent by the exhaust outlet 47 of the 3rd side 44, and then reach effect person of described blade structure 2 by side inlet air and side air-out, make its fan structure 2 can reduce inlet air space effectively to reduce integral thickness and effect that its slimming design promotes operation performance can be maintained simultaneously, and can effectively solve because upper and lower wind inlet is without the noise problem that capture-effect produced simultaneously, effectively can reduce the problem of noise generation, again wherein air-flow by wind inlet 46 and the effect that can produce first time pressurization during flabellum 62, air-flow by the position, exhibition portion 61 between flabellum 62 and wheel Hub 6 and then produced second time supercharging when throwing away exhaust outlet 47 and the second sidewall 49 of its 4th side 45 the shelves portion 491 that formed effectively can stop airflow reflux to wind inlet 46 place by shelves, therefore, described fan structure 2 can maintain its slimming design and have the effect promoting operation performance.

As shown in Figure 6, be the decomposing schematic representation of the present invention second preferred embodiment, the structure of this preferred embodiment and linking close and effect roughly identical with aforementioned first preferred embodiment, therefore again not repeat at this; This this preferred embodiment mainly by the exhibition portion 61 of aforementioned first preferred embodiment in time specifically implementing, can change and be designed to the extending design that is ring plate-like, this exhibition portion stretches out along the outer circumferential side that this takes turns Hub 6 and forms the exhibition portion 61 of described ring plate-like, and the other end in exhibition portion 61 then extends on described joint 63.

As shown in Fig. 7 A, 7B, show the enforcement schematic diagram one, two of the 3rd preferred embodiment of the present invention, the structure of this preferred embodiment and linking close and effect roughly identical with aforementioned first preferred embodiment, therefore again not repeat at this, as shown in Figure 7 A, the plural flabellum 62 of aforementioned first preferred embodiment is mainly changed plural flabellum 62 outer rim designed on this joint 63 and to be staggered setting by this preferred embodiment, that is described flabellum 62 part ring is located in the both ends of the surface of this joint 63, but not be located on the interlaced spread configuration of flabellum 62 of joint 63 both ends of the surface position, separately as shown in Figure 7 B, the plural flabellum 62 of aforementioned first preferred embodiment is mainly changed the staggered spread configuration of plural flabellum 62 be designed on this joint 63 by this preferred embodiment, that is a part of plural flabellum 62 ring is located on a upper-end surface of this joint 63, another part plural number flabellum 62 then ring is located on a lower end surface of this joint 63, the wrong spread configuration and itself and the plural flabellum of an aforementioned part 62 intersect each other.

So to be located at respectively on the upper-end surface of described joint 63 and lower end surface thereof and the wrong design arranged that intersects each other through described part plural number flabellum 62 and another part plural number flabellum 62, obtain the effect effectively reaching reduction fan noise.In sum, the fan structure of the present invention is in time using, and for really reaching its effect and object, therefore the present invention is really the invention of a practicability excellence, for meeting the application important document of patent of invention, filing an application in whence in accordance with the law, expects that careful committee grants accurate this case early, to ensure the arduous invention of inventor, if an ancient unit of weight office examine committee have any check doubtful, please write to us without sparing instruction, settled the doing one's utmost of inventor coordinates, and true feeling moral just.

Claims

1. a fan structure, comprises:

Upper cover;

Fan frame body, cover corresponding with described upper cover is jointly defined a containing space and has a beam barrel, and this fan frame body has one first side and one second side and one the 3rd side and one the 4th side, described first side has a wind inlet and the 3rd side has an exhaust outlet, and this second side has a first side wall and the 4th side has one second sidewall, this the first side wall has and extends to one of described wind inlet teat, and this second sidewall has one grade of portion;

Stator module, is arranged in described containing space and to be sheathed on described beam barrel outside;

And wheel Hub, to be arranged in described containing space and to be sheathed on described stator pack outside, and this is taken turns Hub and is extended with plural exhibition portion laterally, this exhibition portion relatively takes turns the Hub the other end and is provided with plural flabellum.

2. fan structure according to claim 1, is characterized in that, has the first extension part between described teat and described exhaust outlet, has one first flaring space and one first distance between described first extension part and described flabellum.

3. fan structure according to claim 2, is characterized in that, has one second extension part between described shelves portion and described wind inlet, has one second flaring space and a second distance between described second extension part and described flabellum.

4. fan structure according to claim 3, is characterized in that, described first distance is formed on a horizontal tangent position with described second distance and the described Hub of wheel center, and described first distance is greater than the first distance twice and at least twice.

5. fan structure according to claim 1, is characterized in that, the length in described exhibition portion is greater than the length of described flabellum.

6. fan structure according to claim 3, is characterized in that, has a junction between described each flabellum, and each flabellum connects around group via this first joint, makes its flabellum present ring-type, and this joint separately connects described exhibition portion relatively takes turns the Hub the other end.