CN2531148Y

CN2531148Y - Fan wheel with balanced blade set

Info

Publication number: CN2531148Y
Application number: CN 01275289
Authority: CN
Inventors: 洪银树; 洪庆升
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 2001-12-07
Filing date: 2001-12-07
Publication date: 2003-01-15
Anticipated expiration: 2011-12-07

Abstract

A fan wheel with balanced blade sets. In order to provide a cooling fan for electronic devices that ensures stable rotation and high exhaust efficiency during operation, the utility model is proposed, which includes a hub forming a ring wall, a shaft extended axially from the hub, and an evenly divided extension around the center line of the hub. The blades provided; the blades are a group of blade groups that are equally divided and extended around the center line of the hub on the same plane.

Description

The impeller of tool balance blade group

Technical field

The utility model belongs to the electronic equipment radiation fan, particularly a kind of impeller of tool balance blade group.

Background technique

The design department of various impeller blades is applied in the heat radiation of various electronic equipments, for example is applied on central processing unit (CPU) and the intimate heat exchanger.For instance, in the various application, the impeller blade all is that design is in order to discharge air-flow via heat exchanger, radiating fin or the air passageways of adjacency.And the balance of rotation is the factor of important consideration in the impeller running, and the high degree of balance is a primary demand.Therefore be necessary constantly to improve the structure of impeller so that meet the demand.

As shown in Figure 1, axial flow impeller 9 comprises wheel hub 90, several blades 91 and the axostylus axostyle 93 that forms ring wall 92.Blade 91 is to be extended outwardly along diameter side by ring wall 92 to form; Axostylus axostyle 92 is axially to be extended by wheel hub 90 to form.By blade 91 rotations, merely air-flow is axially discharged through impeller 9.

As shown in Figure 2, U. S. Patent 6,179,561 disclosed impellers 8 comprise formation ring wall 83 wheel hubs 80, several axial--flow bladings 81, several blowing-type blades 82 and axostylus axostyle 84.Axial--flow blading 81 and blowing-type blade 82 are can synchronously air-flow be reached vertically radially to discharge.Moreover axial--flow blading 81 and blowing-type blade 82 lie in and are stacked into two-layerly on the ring wall 83 respectively, and wherein series of strata are piled up axial--flow blading 81 and another series of strata are piled up blowing-type blade 82.Yet recently developer blade trend system merges different blades and designs in one deck, so that air-flow exhaust efficiency and and reduce the integral thickness of impeller when increasing.Its spin balancing that also makes different blades merge design simultaneously becomes important considering.Another kind of impeller system with different Blade Design in different layers.

Summary of the invention

The purpose of this utility model provides the impeller of a kind of stable rotation when guaranteeing to operate, tool balance blade group that exhaust efficiency is high.

The utility model comprises the wheel hub that forms ring wall, by hub spindle to the axostylus axostyle that extends and divide equally the blade that extends around the wheel hub center line; Blade is to divide equally the array vane group that extends in same planar circular wheel hub center line.

Wherein:

The array vane group is for being formed at three groups of vane group in 120 ° of angles respectively; Various vane group comprise two or more different blades.

Vane group is radially extended by the ring wall of wheel hub, and it comprises at least one axial--flow blading and and blowing-type blade that is spaced in regular turn and keeps same intervals.

Blowing-type vane tip and outer ends are respectively equipped with uses zigzag part and the extension part of promoting exhaust efficiency.

Vane group is radially extended by the ring wall of wheel hub, and it comprises and is spaced in regular turn and keeps first, second and third tortuous blade of same intervals; First, second and third tortuous blade forms different inclination angle with the wheel hub ring wall respectively.

The ring wing that wheel hub ring wall end radially extends, three groups of vane group system divides equally in same planar circular wheel hub center line and axially extends and encircle the wing and be connected from encircling the wing; Vane group comprises and is spaced in regular turn and keeps several crooked blowing-type blades of same intervals.

Form between several crooked blowing-type blades and the wheel hub and be communicated to the ring passage of suction port, and make each crooked blowing-type blade encircle passage relatively forming the different curvature that center line of the present utility model relatively produces spiral suction air-flow respectively.

Because the utility model comprises the wheel hub that forms ring wall, is reached to the axostylus axostyle that extends by hub spindle and divide equally the blade that extends around the wheel hub center line; Blade is to divide equally the array vane group that extends in same planar circular wheel hub center line.On impeller rotational kinematics and dynamics mechanism, array is divided equally the vane group that extends and can be kept state of equilibrium with respect to the wheel hub center line during rotation, and promote exhaust efficiency and the gain air-flow is discharged via housing, stable rotation when not only guaranteeing to operate, and the exhaust efficiency height, thereby reach the purpose of this utility model.

Description of drawings

Fig. 1, be known fan wheel structure schematic isometric.

Fig. 2, for known fan wheel structure schematic isometric of piling up two kinds of blades.

Fig. 3, be the utility model embodiment one structural representation stereogram.

Fig. 4, be the utility model embodiment one structural representation plan view.

Fig. 5, arrange side view continuously for the utility model embodiment one blade.

Fig. 6, be assembled in structural representation plan view on the housing for the utility model embodiment one.

Fig. 7, be A-A sectional view among Fig. 6.

Fig. 8, be the utility model embodiment two structural representation stereograms.

Fig. 9, be the utility model embodiment two structural representation plan views.

Figure 10, arrange side view continuously for the utility model embodiment two blade.

Figure 11, be the utility model embodiment three structural representation stereograms.

Figure 12, be the utility model embodiment three structural representation plan views.

Embodiment

Embodiment one

As Fig. 3, Fig. 4, shown in Figure 5, the axostylus axostyle 11 that the impeller 1 of the utility model tool balance blade group comprises the wheel hub 10 that forms ring wall 12, axially extended by wheel hub 10 and divide equally three groups of vane group 20 that radially extend in same planar circular wheel hub 10 center lines from wheel hub 10 ring walls 12.

The utility model is mounted in the bearing with axostylus axostyle 11 and rotates, with the rotor as motor.

Three groups of vane group 20 that radially extended by the ring wall 12 of wheel hub 10 are formed at respectively in 120 ° of angles, to guarantee the stable rotation of the utility model.On impeller rotational kinematics and dynamics mechanism, three groups of vane group 20 are tied to form and equate that total matter is heavy, and can keep state of equilibrium with respect to wheel hub 10 center lines of the present utility model during rotation.

As Fig. 4, shown in Figure 5, each vane group 20 comprise be spaced in regular turn and keep same intervals axial--flow blading 21 and with blowing-type blade 22; In blowing-type blade 22 tops and outer ends be respectively equipped with and use zigzag part 221 and the extension part 222 of promoting exhaust efficiency.

As Fig. 6, shown in Figure 7, the utility model rotational fixation is in housing 100, and zigzag part 221 correspondences of its blowing-type blade 22 are arranged at housing 100 suction ports 101; 222 of the extension parts of blowing-type blade 22 extend in the housing 100, discharge via the relief opening 102 of housing 100 with the gain air-flow.

Embodiment two

As Fig. 8, Fig. 9, shown in Figure 10, the axostylus axostyle 31 that the impeller 3 of the utility model tool balance blade group comprises the wheel hub 30 that forms ring wall 32, axially extended by wheel hub 30 and divide equally radially to extend in same planar circular wheel hub 30 center lines from wheel hub 30 ring walls 32 and arrange conglobate three groups of vane group 40.

The utility model is mounted in the bearing with axostylus axostyle 31 and rotates, with the rotor as motor.

Three groups of vane group 40 that radially extended by the ring wall 32 of wheel hub 30 are formed at respectively in 120 ° of angles, to guarantee the stable rotation of the utility model.On impeller rotational kinematics and dynamics mechanism, three groups of vane group 40 are tied to form and equate that total matter is heavy, and can keep state of equilibrium with respect to wheel hub 30 center lines of the present utility model during rotation.

As Fig. 9, shown in Figure 10, each vane group 40 comprises and is spaced in regular turn and keeps same intervals first tortuous blade 41, second tortuous blade 42 and the 3rd tortuous blade 43.

First, second and third

tortuous blade

41,42,43 forms different inclination angle θ with wheel hub 30 ring walls 32 respectively ₁, θ ₂, θ ₃

When the utility model rotational fixation turns round, form different inclination angle θ with wheel hub 30 ring walls 32 respectively by first, second and third

tortuous blade

41,42,43 in housing ₁, θ ₂, θ ₃, to change continuous exhaust pneumatic wallop direction, therefore form spiral discharge air-flow along the utility model center line, to promote exhaust efficiency by first, second and third

tortuous blade

41,42,43 with respect to wheel hub 30 center lines.

Embodiment three

As Figure 11, shown in Figure 12, the axostylus axostyle 51 that the impeller 5 of the utility model tool balance blade group comprises the wheel hub 50 that forms ring wall 54, axially extended by wheel hub 50, the ring wing 52 that radially extends from wheel hub 50 ring walls 54 ends and divide equally in same planar circular wheel hub 50 center lines and axially extend and encircle three groups of vane group 60 that the wing 52 is connected from encircling the wing 52.

The utility model is mounted in the bearing with axostylus axostyle 51 and rotates, with the rotor as motor.

Three groups of vane group 60 that axially extended by the edge of a wing 52 of wheel hub 50 are formed at respectively in 120 ° of angles, to guarantee the stable rotation of the utility model.On impeller rotational kinematics and dynamics mechanism, three groups of vane group 60 are tied to form and equate that total matter is heavy, and can keep state of equilibrium with respect to wheel hub 50 center lines of the present utility model during rotation.

As Figure 11, shown in Figure 12, each vane group 60 comprises blowing-type blade 61, first crooked blowing-type blade 62, second crooked blowing-type blade 63 and the 3rd crooked blowing-type blade 64 that is spaced in regular turn and keeps same intervals; Form ring passage 53 between wheel hub 50 and first, second and third the crooked blowing-

type blade

62,63,64, for being communicated to suction port, and make first, second and third crooked blowing-

type blade

62,63,64 relative ring passages 53 form different curvature respectively, produce spiral suction air-flow with center line of the present utility model relatively, therefore, but after delivering to suction port, the spiral suction air-flow of first, second and third crooked blowing-

type blade

62,63,64 mats discharges, it can promote the exhaust efficiency of relief opening really, also can reduce the noise that inlet stream produces.

Claims

1. A fan wheel with a balanced blade group, which includes a hub forming a ring wall, a shaft extending axially from the hub, and blades equally divided and extending around the center line of the hub; it is characterized in that the blade system is A group of blade groups that are evenly divided and extended around the center line of the hub on the same plane.

2. The fan wheel with balanced blade groups according to claim 1, characterized in that said groups of blade groups are three groups of blade groups formed within an included angle of 120°; various blade groups include two or more different of the leaves.

3. The fan wheel with balanced blade set according to claim 1 or 2, characterized in that said set of blades extends radially from the ring wall of the hub, and includes at least one blade set arranged in sequence and kept at the same interval Axial blades and blower blades.

4. The fan wheel with balanced blades according to claim 3, characterized in that the top and outer ends of the blower blades are respectively provided with meandering portions and extensions to improve exhaust efficiency.

5. The fan wheel with balanced blade sets according to claim 1 or 2, characterized in that said blade sets extend radially from the ring wall of the hub, which includes the first, Two and three zigzag blades; the first, second, and third zigzag blades respectively form different inclination angles with the ring wall of the hub.

6. The fan wheel with balanced blades according to claim 1 or 2, characterized in that the ring wings extend radially from the end of the ring wall of the hub, and the three sets of blades surround the hub from the ring wings on the same plane. The central line is evenly divided and axially extended to connect with the ring wing; the blade group includes several curved air blowing blades arranged at intervals in order and kept at the same interval.

7. The fan wheel with balanced blade set according to claim 6, characterized in that an annular channel leading to the air inlet is formed between the several curved blast blades and the hub, and each curved blast The type blades form different curvatures relative to the central line of the utility model to generate the helical suction airflow relative to the ring channel.