CN221723065U - High-efficient low noise mixed flow fan - Google Patents

Abstract

The utility model relates to the technical field of mixed flow fans, and discloses a high-efficiency low-noise mixed flow fan, which comprises: the air conditioner comprises a shell, an air inlet formed in one end of the shell, an air outlet formed in the other end of the shell, a control assembly for controlling the ventilation mechanism to work, and a ventilation mechanism arranged in the shell; the ventilation mechanism consists of a supercharging assembly for supercharging wind in the shell, a wind-dispelling impeller for guiding the wind to the air outlet, a motor for driving the supercharging assembly and the wind-dispelling impeller to rotate, and a buffering fixing seat for fixedly installing the motor in the shell. According to the utility model, the supercharging assembly is arranged behind the wind-dispelling impeller to supercharge air, so that the air flow is quickened, and the working efficiency of the device is improved; meanwhile, the ventilation mechanism is controlled to work through the control assembly, so that the energy is saved, the noise reduction buffer layer is arranged in the shell when the motor is fixed, and the noise generated by equipment is effectively reduced.

Description

High-efficient low noise mixed flow fan

Technical Field

The utility model relates to the technical field of mixed flow fans, in particular to a high-efficiency low-noise mixed flow fan.

Background

Mixed flow fans are often found in life and industry as a type of fans between axial and centrifugal fans, which are commonly used in applications where a large amount of air flow is required, such as building ventilation, factory exhaust, underground parking lot ventilation, etc.; these places are very personnel intensive or the operation of the equipment can generate a lot of heat and pollutants such as smoke, off-flavors, etc. The mixed flow fan needs to generate a large amount of air flow, so that indoor polluted air can be effectively removed, fresh air is provided, the indoor air quality is maintained, and the comfort level and the working efficiency of personnel are improved; the existing mixed flow fan only performs air draft through the impeller, so that air pressure flowing into the fan is small, flow speed is low, and efficiency is low.

The patent application CN202020690112.5 provides a low noise mixed flow fan device comprising: a machine body, a bottom groove and a rubber block; a motor frame is arranged on the right side in the machine body, and the machine body is connected with the motor frame in a welding mode; the fixed plate is arranged on the lower side of the support and is connected with the support in a welding mode; the bottom groove is arranged at the lower side of the fixed plate, and is clamped with the fixed plate; the rubber block is arranged between the fixed plate and the bottom groove and is respectively clamped with the fixed plate and the bottom groove; the fixed orifices are located the surface of fixed plate, kerve and rubber piece respectively, and the fixed orifices is integrated with fixed plate, kerve and rubber piece respectively. Through structural improvement, the utility model has the advantages of sound absorption, noise reduction, safety, shock absorption and portability, thereby effectively solving the problems and the shortcomings of the utility model in one prior art.

But the motor frame in this patent produces certain influence to the flow of wind, can reduce the wind speed when the air-out, and then reduced mixed flow fan's work efficiency, and this equipment just falls the equipment through fixed motor and falls the noise reduction effect poor.

Therefore, there is a need to provide a new solution to overcome the above-mentioned drawbacks.

Disclosure of utility model

The utility model aims to provide a high-efficiency low-noise mixed flow fan which can effectively solve the technical problems.

In order to achieve the purpose of the utility model, the following technical scheme is adopted: a high efficiency low noise mixed flow fan comprising: the air inlet is formed in one end of the shell, the air outlet is formed in the other end of the shell, the control assembly is used for controlling the ventilation mechanism to work, and the ventilation mechanism is arranged in the shell; the ventilation mechanism consists of a supercharging assembly for supercharging wind in the shell, a wind-dispelling impeller for guiding the wind to an air outlet, a motor for driving the supercharging assembly and the wind-dispelling impeller to rotate, and a buffer fixing seat for fixedly mounting the motor in the shell; the motor is fixedly arranged on the buffer fixing seat; a silencing buffer layer is arranged between the buffer fixing seat and the motor; the supercharging assembly consists of a conical air guide seat fixedly installed on the motor, a connecting piece integrally connected to the conical air guide seat and an air guide blade integrally connected to the connecting piece.

Further, the closer the connecting piece is to the conical wind guiding seat, the larger the area is.

Further, the diameter of the pressurizing assembly is larger than that of the wind-dispelling impeller, and the pressurizing assembly and the wind-dispelling impeller are sequentially arranged along the direction away from the motor.

Further, the surface of the pressurizing assembly and the inner wall of the shell are provided with silencing buffer layers.

Further, the air inlet and one end of the air outlet are fixedly provided with filter screens. .

Compared with the prior art, the utility model has the following beneficial effects: according to the high-efficiency low-noise mixed flow fan, the supercharging component is arranged behind the wind-dispelling impeller to supercharge air, so that the flow of the air is quickened, and the working efficiency of the equipment is improved; meanwhile, the ventilation mechanism is controlled to work through the control assembly, so that the energy is saved, the noise reduction buffer layer is arranged in the shell when the motor is fixed, and the noise generated by equipment is effectively reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of a high efficiency low noise mixed flow fan;

FIG. 2 is a side cross-sectional view of a high efficiency low noise mixed flow fan of the present utility model;

FIG. 3 is a front cross-sectional view of a high efficiency low noise mixed flow fan of the present utility model;

FIG. 4 is an exploded view of a ventilation mechanism of a high efficiency low noise mixed flow fan of the present utility model;

fig. 5 is a partial enlarged view of a portion a in fig. 4.

In the figure: 1. a housing; 2. an air inlet; 3. an air outlet; 4. a ventilation mechanism; 41. a motor; 42. a pressurizing assembly; 43. a wind-dispelling impeller; 44. a buffer fixing seat; 421. a conical air guide seat; 422. a connecting piece; 423. and the wind guide blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify 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 therefore should not be construed as limiting the scope of the present utility model. When an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an mechanism is considered to be "connected" to another mechanism, it may be directly connected to the other mechanism or there may be a centering mechanism present at the same time. When an element is considered to be "disposed on" another element, it may be disposed directly on the other element or there may be a centering element present at the same time. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

As shown in fig. 1 to 5, the present utility model provides a high-efficiency low-noise mixed flow fan, comprising: the air conditioner comprises a shell 1, an air inlet 2 formed in one end of the shell 1, an air outlet 3 formed in the other end of the shell 1, a control component for controlling the ventilation mechanism 4 to work, and the ventilation mechanism 4 arranged in the shell 1; one end of the air inlet 2 and one end of the air outlet 3 are fixedly provided with filter screens; the air intake 2 is installed inside the market, and the air in the market gets into in the casing 1 from air intake 2, and the air is pressurized under ventilation mechanism 4's effect afterwards, discharges through air outlet 3 again, has improved the work efficiency of this equipment.

The ventilation mechanism 4 is composed of a pressurizing assembly 42 for pressurizing wind in the shell 1, a wind-dispelling impeller 43 for guiding the wind to the air outlet 3, a motor 41 for driving the pressurizing assembly 42 and the wind-dispelling impeller 43 to rotate, and a buffer fixing seat 44 for fixedly installing the motor 41 in the shell 1; the buffer fixing seat 44 is fixedly arranged in the shell 1, the motor 41 is fixedly arranged on the buffer fixing seat 44, a silencing buffer layer is arranged between the buffer fixing seat 44 and the motor 41, and silencing buffer layers are arranged on the surface of the pressurizing assembly 42 and the inner wall of the shell 1, so that the motor 41 is prevented from shaking due to the fact that the rotating speed of the motor 41 is high in the working process, and noise is generated; the noise reduction buffer layer is formed by the noise reduction layer and the buffer layer together, and can be made of sound-absorbing cotton, and a plurality of through holes are formed in the noise reduction layer, so that the contact area between noise and the noise reduction cotton is increased, the noise reduction effect is good, the buffer layer is made of foamed plastic, the buffer effect is good, the shaking of the motor 41 is reduced, and the noise generated by equipment is further reduced; the diameter of the pressurizing component 42 is larger than that of the wind-dispelling impeller 43, and the pressurizing component 42 and the wind-dispelling impeller 43 are sequentially arranged along the direction away from the motor 41; when the booster component 42 rotates along with the motor 41, air in the casing 1 is guided to the middle of the booster component 42 to pressurize the air in the casing 1, and the air in the casing 1 is discharged by the air-dispelling impeller 43, so that the efficiency of discharging the air is increased.

The supercharging assembly 42 is composed of a conical wind guide seat 421 fixedly installed on the motor 41, a connecting piece 422 integrally connected to the conical wind guide seat 421, and a wind guide blade 423 integrally connected to the connecting piece 422; the conical wind guide seat 421 is abutted against the inner wall of the shell 1 and rotates around the output shaft of the motor 41, the conical design can guide air to flow to the top point of the conical wind guide seat 421 in the rotating process, the area of the connecting piece 422 is larger as the connecting piece is closer to the conical wind guide seat 421, the fixing of the wind guide blades 423 is facilitated, meanwhile, the area of the connecting piece is larger, the contact area with air is large, and the noise reduction buffer layer is arranged on the surface of the connecting piece to facilitate noise reduction; the wind guide blades 423 are integrally arc-shaped, and the wind guide blades 423 are sequentially lifted along the direction close to the center of the conical wind guide seat 421, so that air is collected at the top of the conical wind guide seat 421, and the wind-dispelling impeller 43 is convenient to guide out the air.

The control assembly consists of a timer for acquiring time, a control module for controlling the motor 41 to work and a data processing module for acquiring time data on the timer and sending signals to the control module according to the time data; the timer is fixedly arranged on the outer wall of the shell 1, so that the disassembly and the maintenance are convenient; the data processing module is electrically connected to the timer and the control module is electrically connected to the motor 41, respectively.

The time range K is set in advance by the staff, the data processing module acquires the time data T on the timer, compares the time data T with the time range K, generates corresponding signals, feeds the corresponding signals back to the control module, and controls whether the motor 41 works at full power or not through the control module.

According to the high-efficiency low-noise mixed flow fan, the supercharging assembly 42 is arranged behind the wind dispelling impeller 43 to supercharge air, so that the flow of air is quickened, and the working efficiency of the equipment is improved; meanwhile, the ventilation mechanism 4 is controlled to work through the control assembly, so that more energy is saved.

Working principle:

Air enters the shell 1 from the air inlet 2, the air inside the shell 1 is pressurized through the ventilation mechanism 4, the air is guided to flow out from the air outlet 3, and ventilation is completed.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims (5)

1. The utility model provides a high-efficient low noise mixed flow fan which characterized in that includes: the device comprises a shell, an air inlet formed in one end of the shell, an air outlet formed in the other end of the shell, a ventilation mechanism arranged in the shell and a control assembly for controlling the ventilation mechanism to work;

The ventilation mechanism consists of a supercharging assembly for supercharging wind in the shell, a wind-dispelling impeller for guiding the wind to an air outlet, a motor for driving the supercharging assembly and the wind-dispelling impeller to rotate, and a buffer fixing seat for fixedly mounting the motor in the shell; the wind dispelling impeller is fixedly arranged on the motor; a silencing buffer layer is arranged between the buffer fixing seat and the motor;

The supercharging assembly consists of a conical air guide seat fixedly installed on the motor, a connecting piece integrally connected to the conical air guide seat and an air guide blade integrally connected to the connecting piece.

2. The high efficiency low noise mixed flow fan of claim 1, wherein the closer said connector is to said conical air guiding seat area is greater.

3. The efficient low-noise mixed-flow fan as claimed in claim 2, wherein the diameter of the supercharging assembly is larger than that of the wind-dispelling impeller, and the supercharging assembly and the wind-dispelling impeller are sequentially arranged along a direction away from the motor.

4. The high efficiency low noise mixed flow fan as defined in claim 3, wherein said plenum assembly has a noise dampening buffer layer on a surface thereof and on an inner wall of said housing.

5. The efficient low-noise mixed-flow fan as claimed in claim 4, wherein the filter screen is fixedly installed at one end of the air inlet and one end of the air outlet.