CN220956157U - High-efficiency forward multi-wing centrifugal impeller - Google Patents

Abstract

The utility model belongs to the technical field of centrifugal impellers, and in particular relates to a high-efficiency forward multi-wing centrifugal impeller, which comprises: the impeller set comprises an impeller frame and blades fixedly arranged on the impeller frame, wherein the width of the upper ends of the blades is smaller than that of the lower ends of the blades; the drive part drives the impeller group to rotate through the motor, the impeller frame can stably erect the blades, the impeller group rotates to drive the blades to rotate, the blades rotate to stir air, and flowing air passes through the heat dissipation ribs of the motor to reduce the temperature of the motor, so that the motor can bear larger input power, and the power density of the whole machine is improved.

Description

High-efficiency forward multi-wing centrifugal impeller

Technical Field

The utility model belongs to the technical field of centrifugal impellers, and particularly relates to a high-efficiency forward multi-wing centrifugal impeller.

Background

The centrifugal impeller is used as a core component of a centrifugal ventilator in various industries, the centrifugal impeller commonly used at present consists of an upper disc, blades and a lower disc, the blades dissipate heat of a motor rotor when rotating, but the existing blades are of equal width, and as the blades have different air flow attack angles at different blade heights, the impact loss of air flow on the blades is large, so that the efficiency of the impeller is reduced, and the noise is increased;

When the existing external rotor fan in the current market runs, the impeller can only blow and cool the rotor part, and cannot radiate heat generated by the stator body, so that the input power cannot be increased on the basis of the existing fan, and the power density of the existing specification fan cannot be increased.

Therefore, it is desirable to improve a high efficiency forward multi-winged centrifugal impeller.

Disclosure of utility model

The utility model aims to provide a high-efficiency forward multi-wing centrifugal impeller.

In order to solve the technical problems, the utility model provides a high-efficiency forward multi-wing centrifugal impeller, which comprises: the impeller set comprises an impeller frame and blades fixedly arranged on the impeller frame, wherein the width of the upper ends of the blades is smaller than that of the lower ends of the blades.

Further, the impeller frame comprises an upper disc and a lower disc, and the lower disc extends to the upper disc direction to form a baffle plate.

Further, the upper and lower ends of the blades extend beyond the upper and lower trays.

Further, the bottom of the lower disc is downwards extended with a heat dissipation plate, and the heat dissipation plate is arranged in an arc shape.

Further, the heat dissipation plate corresponds to the position of the blade.

Further, the driving part is an outer rotor motor, and a stator body is fixed on the side wall of the outer rotor motor, wherein a plurality of reinforcing ribs are arranged on the stator body; and a rotor of the outer rotor motor is fixedly connected with the lower disc.

Further, the reinforcing ribs are uniformly arranged on the outer ring of the stator body.

Further, the blades are arranged in an arc shape.

The utility model has the beneficial effects that:

1. The drive part drives the impeller group to rotate through the motor, the impeller frame can stably erect the blades, the impeller group rotates to drive the blades to rotate, the blades rotate to stir air, and flowing air passes through the heat dissipation ribs of the motor to reduce the temperature of the motor, so that the motor can bear larger input power, and the power density of the whole machine is improved.

2. The upper end width of the blade is smaller than the lower end width of the blade, so that the air flow distribution at different heights of the blade can be improved, the uniformity of the flow velocity distribution at the outlet of the blade is improved, the generation of backflow vortex is reduced, the noise of the impeller set is reduced, and the efficiency of the impeller is improved.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a high efficiency forward multi-wing centrifugal impeller of the present utility model;

FIG. 2 is a schematic view of the structure of the impeller assembly of the present utility model.

In the figure:

100. A driving part 110, an outer rotor motor 120, a stator body 121 and reinforcing ribs,

200. Impeller group, 210, impeller rack, 211, upper disc, 212, lower disc, 220, vane, 230, baffle, 240, heat dissipation plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1-2, the present utility model provides a high efficiency loose multi-wing centrifugal impeller, comprising: the impeller assembly 200 comprises an impeller frame 210 and blades 220 fixedly arranged on the impeller frame 210, wherein the upper end width of the blades 220 is smaller than the lower end width of the blades 220. The driving part 100 drives the impeller assembly 200 to rotate through a motor, the impeller frame 210 can firmly erect the blades 220, the impeller assembly 200 rotates to drive the blades 220 to rotate, the blades 220 rotate to stir air, flowing air passes through cooling ribs of the motor to reduce the temperature of the motor, so that the motor can bear larger input power, the power density of the whole machine is improved, the upper end width of the blades 220 is smaller than the lower end width of the blades 220, the air flow distribution at different heights of the blades 220 can be improved, the uniformity of flow velocity distribution at the outlet of the blades 220 is improved, and the generation of backflow vortex is reduced, so that the noise of the impeller assembly 200 is reduced.

The impeller rack 210 includes an upper plate 211 and a lower plate 212, and the lower plate 212 extends toward the upper rack body 211 to form a baffle 230.

The upper and lower ends of the blades 220 extend beyond the upper and lower disks 211 and 212.

The bottom of the lower disc 212 is extended downwards to form a heat dissipation plate 240, and the heat dissipation plate 240 is arranged in an arc shape; the impeller assembly 200 drives the heat dissipation plate 240 to rotate when rotating, and the heat dissipation plate 240 agitates air to further cool the motor stator body, thereby improving heat dissipation efficiency.

The heat dissipation plate 240 corresponds to the position of the blade 220, and uniformly agitates air to make the heat dissipation effect more stable.

The driving part 100 is an outer rotor motor 110, and a wind deflector 120 is fixed on the side wall of the outer rotor motor 110, wherein a plurality of reinforcing ribs 121 are arranged on the wind deflector 120; the rotor of the outer rotor motor 110 is fixedly connected with the lower disc 212; the outer rotor motor 110 runs stably and has high output power, so that the working efficiency can be improved; the wind guard 120 can block the cooling wind generated when the impeller assembly 200 rotates and return the cooling wind to the surface of the outer rotor motor 110, thereby improving the heat dissipation efficiency; the reinforcing ribs 121 can improve the structural strength of the stator 120 and the service life of the outer rotor motor 110.

The reinforcing ribs 121 are uniformly arranged on the outer ring of the stator body 120, and the reinforcing ribs 121 can uniformly improve the structural strength of the stator body 120.

The blades 220 are arranged in an arc shape, and air can uniformly flow in, thereby improving the heat dissipation efficiency of the blades 220.

The components (components not illustrating the specific structure) selected in the present application are common standard components or components known to those skilled in the art, and the structures and principles thereof are known to those skilled in the art through technical manuals or through routine experimental methods. Moreover, the software program related to the application is the prior art, and the application does not relate to any improvement on the software program.

In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. The above-described apparatus embodiments are merely illustrative, for example, the division of the units is merely a logical function division, and there may be other manners of division in actual implementation, and for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some communication interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1. A high efficiency forward multi-winged centrifugal impeller comprising:

The impeller group comprises an impeller frame and blades fixedly arranged on the impeller frame,

Wherein, the upper end width of blade is less than the lower extreme width of blade.

2. A high efficiency forward multi-winged centrifugal impeller of claim 1 wherein,

The impeller frame comprises an upper disc and a lower disc, and the lower disc extends to the upper disc direction and is provided with a baffle.

3. A high efficiency forward multi-winged centrifugal impeller as set forth in claim 2 wherein,

The upper and lower ends of the blades extend out of the upper and lower discs.

4. A high efficiency forward multi-winged centrifugal impeller of claim 3 wherein,

The bottom downwardly extending of lower wall has the heating panel, the heating panel is the arc setting.

5. A high efficiency forward multi-winged centrifugal impeller of claim 4 wherein,

The heat dissipation plate corresponds to the position of the blade.

6. A high efficiency forward multi-winged centrifugal impeller of claim 5 wherein,

The driving part is an outer rotor motor, a stator body is fixed on the side wall of the outer rotor motor, wherein,

A plurality of reinforcing ribs are arranged on the stator body;

And a rotor of the outer rotor motor is fixedly connected with the lower disc.

7. A high efficiency forward multi-winged centrifugal impeller of claim 6 wherein,

The reinforcing ribs are uniformly arranged on the outer ring of the stator body.

8. A high efficiency forward multi-winged centrifugal impeller of claim 1 wherein,

The blades are arranged in an arc shape.