CN210397260U

CN210397260U - Fan noise and vibration reduction system and fan equipment with noise and vibration reduction functions

Info

Publication number: CN210397260U
Application number: CN201921138340.5U
Authority: CN
Inventors: 李记东
Original assignee: Beijing Top Technology Co ltd
Current assignee: Beijing Top Technology Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-24
Anticipated expiration: 2029-07-18

Abstract

The embodiment of the application provides a fan noise and vibration reduction system and fan equipment with noise and vibration reduction functions. The noise-reduction vibration-reduction system of the fan comprises a case. An air inlet filter door is arranged on the case. An air inlet door baffle is arranged at the inner side of the air inlet filter door. And sound insulation layers are arranged on the inner wall and/or the outer wall of the case and the baffle plate of the air inlet door. A silencer is arranged in the case. In the installation state, one end of the silencing device is connected with the fan arranged in the case, and the other end of the silencing device extends out of the machine room through a pipeline. A vibration damping bracket is also arranged in the case. In the installation state, the fan is installed in the case through the vibration reduction bracket. The noise and vibration of the fan can be greatly reduced compared with the existing fan by adopting the fan noise reduction and vibration reduction system, so that the noise and vibration of the fan can be effectively controlled within a normal acceptable range.

Description

Fan noise and vibration reduction system and fan equipment with noise and vibration reduction functions

Technical Field

The application relates to the technical field of fan equipment correlation, in particular to a fan noise reduction and vibration reduction system and fan equipment with noise reduction and vibration reduction functions.

Background

Traditional high-power roots blower, centrifugal fan and other fan equipment make a sound at the operation in-process noise, vibrate greatly for the operational environment in the fan room becomes very abominable, even work wherein for a long time can influence workman's healthy.

SUMMERY OF THE UTILITY MODEL

One aspect of the application provides a fan noise and vibration reduction system. The fan noise reduction and vibration reduction system comprises a case. An air inlet filter door is arranged on the case. An air inlet door baffle is arranged on the inner side of the air inlet filter door. And sound insulation layers are arranged on the inner wall and/or the outer wall of the case and the air inlet door baffle. A silencer is arranged in the case. In the installation state, one end of the silencing device is connected with a fan arranged in the case, and the other end of the silencing device extends out of the machine room through a pipeline. And a vibration reduction bracket is also arranged in the case. In the installation state, the fan is installed in the case through the vibration reduction support.

According to some preferred embodiments of the present application, the fan noise and vibration reduction system further comprises a vibration reduction flexible pipe. In the installation state, the silencing device is connected with the fan through the damping flexible pipe.

According to some preferred embodiments of the present application, the fan noise and vibration reduction system further comprises a vibration reduction pad. In an installation state, the vibration damping pad is arranged between the vibration damping bracket and the case.

According to some preferred embodiments of the present application, the shock absorbing flexible tube is a flexible bellows tube.

According to some preferred embodiments of the present application, the damping pad is an isolation damping pad.

According to some preferred embodiments of the present application, the cabinet is made of an acoustic panel. The acoustic panel includes a cold plate and a sound absorbing coating disposed on a surface of the cold plate.

According to some preferred embodiments of the present application, the sound-absorbing coating layer is a sound-absorbing paint layer and/or a plastic-sprayed layer.

According to some preferred embodiments of the present application, the soundproof layer is a soundproof sheet layer and/or a soundproof cotton layer. The silencer is a silencer.

Another aspect of the application provides a fan equipment with vibration-damping function of making an uproar falls. The fan equipment with the noise and vibration reduction functions comprises a fan and the noise and vibration reduction system of the fan.

According to some preferred embodiments of the present application, the fan device with noise reduction and vibration reduction functions further comprises a fan air outlet pipe. One end of the fan air outlet pipe is connected with an air outlet of the fan through a pipeline connector, and the other end of the fan air outlet pipe is communicated with an air outlet main pipeline arranged on the case. And a soundproof cotton layer is arranged on the air outlet pipe of the fan and/or the air outlet main pipeline.

Compared with the prior art, the noise-reduction vibration-reduction system for the fan has the following beneficial effects:

the noise-reducing and vibration-damping system of the fan is characterized in that an air inlet door baffle, a sound-insulating layer, a silencing device and a vibration-damping support are arranged in a machine box; in the installation state, the fan is installed in the box body through the vibration reduction support, and the air inlet door baffle, the sound insulation layer and the silencing device can play a role in sound insulation and noise reduction on noise generated by the impeller and the motor, so that the noise of the fan is reduced; the vibration reduction support can play the effect of damping to reduce fan vibration. The noise and vibration of the fan can be greatly reduced compared with the existing fan by adopting the fan noise reduction and vibration reduction system, so that the noise and vibration of the fan can be effectively controlled within a normal acceptable range.

Additional features of the present application will be set forth in part in the description which follows. Additional features of some aspects of the present application will be apparent to those of ordinary skill in the art in view of the following description and accompanying drawings, or in view of the production or operation of the embodiments. The features disclosed in this application may be realized and attained by practice or use of various methods, instrumentalities and combinations of the specific embodiments described below.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. Like reference symbols in the various drawings indicate like elements. Wherein,

FIG. 1 is a schematic structural diagram of a fan apparatus with noise and vibration reduction according to some embodiments of the present application;

FIG. 2 is a schematic structural view of a cabinet baffle in a fan apparatus with noise and vibration reduction according to some embodiments of the present application;

fig. 3 is a schematic structural diagram of a vibration reduction bracket in a fan apparatus with noise reduction and vibration reduction functions according to some embodiments of the present application.

List of reference numerals

100-cabinet

110-Sound insulation Panel

111-cold plate

112-Sound absorbing coating

200-air inlet filter door

300-air inlet door baffle

400-Sound insulating layer

500-silencer

510-muffler outlet end

600-blower

610-Fan Heat dissipation end

710-vibration damping mount

711-mounting baseplate

712-supporting vertical plate

713-reinforcing bar

714-arc shaped support plate

715-mounting hole

720-shock absorbing flexible pipe

730-damping pad

810-fan air outlet pipe

820-pipe connector

830-air outlet main pipeline

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that if the terms "first", "second", etc. are used in the description and claims of this application and in the above-described drawings, they are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, if the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, if the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", etc. are referred to, their indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, in this application, the terms "mounted," "disposed," "provided," "connected," "sleeved," and the like should be construed broadly if they are referred to. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

One aspect of the embodiment of the application discloses a noise reduction and vibration reduction system for a fan.

FIG. 1 is a schematic structural diagram of a fan apparatus with noise and vibration reduction according to some embodiments of the present application.

As shown in FIG. 1, the fan noise and vibration reduction system may include a chassis 100.

In some embodiments, the enclosure 100 is made of acoustic panels 110. The cabinet 100 may have a square or rectangular shape as a whole.

For example, as shown in fig. 2, the baffle 110 may include a cold plate 111 and an acoustic absorbent coating 112 disposed on a surface of the cold plate 111.

For example, a cold plate sheet metal part with a thickness of 2mm to 4mm may be adopted, and then the sound absorption coating 112 is disposed on the inner side and/or the outer side of the cold plate, and then the cabinet 100 in a square or rectangular shape is manufactured by welding, riveting and/or bolting.

In some embodiments, the sound absorbing coating 112 may be a sound absorbing paint layer and/or a plastic spray layer. For example, the sound absorbing paint layer and/or the plastic spraying layer may be formed on the inner side and/or the outer side of the cold plate in a manner of spraying paint and/or plastic spraying by using sound absorbing paint (such as sound absorbing paint, sound absorbing foam plastic and the like).

By adopting the cold plate with the wall thickness of 2mm-4mm, forming the sound-absorbing paint layer and/or the plastic-spraying layer on the cold plate in a spray painting and/or plastic spraying mode, and then manufacturing the case, the sound-insulating and noise-reducing effects can be achieved.

Further, an acoustic insulation layer 400 may be further provided on the inner and/or outer wall of the cabinet 100. For example, the soundproof layers 400 may be provided on the front, rear, upper, lower, right, and inner and/or outer walls of the cabinet door of the cabinet 100.

In some embodiments, acoustical layer 400 can be an acoustical board layer. For example, the soundproof sheet layer may employ foam soundproof sheet, plastic soundproof sheet, or the like.

In some embodiments, the acoustic barrier layer 400 may be an acoustic cotton layer.

In some embodiments, acoustical layer 400 includes an acoustical board layer and an acoustical cotton layer.

Through set up puigging 400 including soundproof plate layer and soundproof cotton layer on the inner wall and/or the outer wall of quick-witted case 100, the puigging can play and hinder the formula and fall and make an uproar, and the soundproof cotton can play the anti formula and fall and make an uproar, thereby the impedance is compound can make the noise fall to the minimum.

An intake air filter door 200 is provided on the cabinet 100.

In some embodiments, the intake air filtering door 200 may include louvers and a filtering mesh disposed inside the louvers.

In some embodiments, the intake air filter door 200 may also include an intake grill and a filter screen disposed inside the intake grill.

In some embodiments, the intake air filter door 200 may also employ louvers or intake grills directly.

An intake door baffle 300 is provided inside the intake filter door 200.

In some embodiments, the size of the intake door baffle 300 is smaller than the size of the intake filter door 200. In the installed state, the intake flap 300 may be installed inside the intake filter door 200 in a manner of facing the intake filter door 200, and an air inlet channel is formed between the periphery thereof and the inner wall of the cabinet 100, because the size of the intake flap 300 is smaller than the size of the intake filter door 200 and an air inlet channel is formed between the periphery thereof and the inner wall of the cabinet 100. External air can enter the blower 600 from the periphery of the intake door baffle 300.

In some embodiments, the intake door damper 300 may also be installed at the inner side of the intake filter door 200 in a relatively inclined manner with respect to the intake filter door 200, thereby forming an intake duct between the inner wall of the cabinet 100 and the inclined direction. The external air may enter the blower 600 in an inclined direction.

In some embodiments, the air inlet door baffle 300 can be made of the same materials and structures as the sound insulation panels 110 of the cabinet 100.

In some embodiments, other sound insulation panels, such as foam sound insulation panels, plastic sound insulation panels, etc., can be used directly for the intake door baffle 300.

Through set up air inlet door baffle 300 in air inlet filter door 200 inboards, both can guarantee that the fan air inlet is smooth and easy on the one hand, on the other hand can play the effect of making an uproar that falls that gives sound insulation again.

Further, a soundproof layer 400 may be provided on the intake flap 300.

Through set up puigging 400 on air inlet door baffle 300, can guarantee that the fan air inlet is smooth and easy further plays the effect of making an uproar that gives sound insulation when falling.

A silencer 500 is also provided in the cabinet 100. In the installed state, one end of the silencer 500 is connected to the fan 600 installed in the cabinet 100, and the other end of the silencer 500 extends out of the machine room through a pipeline. For example, the inlet end of the silencer 500 may be connected to the heat dissipating end 610 of the fan 600 installed in the cabinet 100; the outlet end 510 of the silencer 500 is designed to be piped out of the fan house.

Illustratively, the muffler assembly 500 may be a muffler. For example, existing fan silencers can be employed.

By adopting the noise reduction design, the noise of the fan can be greatly reduced, and the fan can be effectively controlled within a normal acceptable range.

A vibration damping bracket 710 is also provided in the cabinet 100. In the installed state, the blower 600 may be installed in the cabinet 100 through the vibration reduction bracket 710.

In some embodiments, as shown in fig. 3, the vibration dampening bracket 710 may include a support riser 712.

The supporting vertical plate 712 may be a steel plate having a thickness of 2-5 mm. Through intensity calculation, the motor support is made of a steel plate with the thickness of 2-5 mm, sufficient supporting strength can be guaranteed, certain flexibility is achieved, and a certain vibration absorption effect is achieved.

An arc support part is formed at the upper end of the support vertical plate 712. In the mounted state, the fan 600 is mounted on the arc support portion.

Further, an arc support plate 714 is disposed on the arc support portion. In the installed state, the fan 600 is mounted on the arc support plate 714. By providing the arc-shaped support plate 714, the contact area between the vibration reduction support 710 and the fan 600 may be increased, so that the stability of the vibration reduction support 710 in supporting the fan 600 may be increased.

Further, the damping mount 710 may further include a mounting base 711. The lower portion of the supporting vertical plate 712 is vertically disposed on the mounting base plate 711.

For example, the supporting vertical plate 712 and the mounting bottom plate 711 may be integrally formed by a sheet metal machining method such as bending. Illustratively, the supporting vertical plate 712 and the mounting bottom plate 711 can also be connected together by welding, screwing, riveting, or the like.

Wherein, the mounting bottom plate 711 and the supporting vertical plate 712 can both adopt steel plates with the thickness of 2-5 mm. Through intensity calculation, the motor support is made of a steel plate with the thickness of 2-5 mm, sufficient supporting strength can be guaranteed, certain flexibility is achieved, and a certain vibration absorption effect is achieved.

The mounting plate 711 is also provided with a mounting hole 715. In the installed state, the vibration damping mount 710 may be fixed in the cabinet 100 by bolts passing through the mounting holes 715.

Further, a reinforcing rib 713 is provided between the mounting base plate 711 and the supporting vertical plate 712.

In some embodiments, the fan noise and vibration reduction system may further include a vibration damping flexible tube 720. In the installed state, the silencer 500 is connected to the fan 600 via a shock-absorbing flexible tube 720.

For example, the shock absorbing flexible tube 720 may be a flexible bellows tube. For example, the shock absorbing flexible tube 720 may be a metal flexible bellows tube.

The flexible connection is made at the position where the fan 600 matched part is connected, so that the excitation vibration of the fan motor and other parts can be reduced.

In some embodiments, the fan noise and vibration reduction system further includes vibration reduction pads 730. In the installed state, the damping pad 730 is disposed between the damping bracket 710 and the cabinet 100.

For example, the damping pad 730 may be an isolation damping pad.

Through setting up damping support 710 and isolation formula shock pad, install the fan motor on damping support 710 during the installation, can absorb fan vibration and avoid it and quick-witted case part to take place excitation vibration.

In some embodiments, the fan 600 may also be dynamically balanced, and the balance level is G1, so as to reduce the vibration of the fan 600 caused by the dynamic unbalance.

By adopting the vibration reduction design, the vibration of the fan can be greatly reduced compared with the existing fan, and the fan can be effectively controlled within a normal acceptable range.

Another aspect of the embodiments of the present application discloses a fan apparatus with noise reduction and shock absorption functions.

As shown in fig. 1, the fan device with noise reduction and vibration reduction functions includes a fan 600 and a fan noise reduction and vibration reduction system as described in any one of the above.

In addition, this fan equipment with vibration-damping function of making an uproar also can include fan air-out pipe 810. One end of the fan air outlet tube 810 is connected to the air outlet of the fan 600 through the pipe connector 820, and the other end of the fan air outlet tube 810 is communicated with the main air outlet pipe 830 disposed on the chassis 100.

In some embodiments, a sound-proof cotton layer is disposed on the fan outlet duct 810 and/or the air outlet main pipeline 830 to further reduce noise.

For example, the soundproof cotton layer on the fan outlet pipe 810 and/or the outlet main pipe 830 may be formed by disposing soundproof cotton on the fan outlet pipe 810 and/or the outlet main pipe 830 in a manner of wrapping the outer wall of the fan outlet pipe 810 and/or the outlet main pipe 830.

The soundproof cotton layer is arranged on the fan air outlet pipe 810 and/or the air outlet main pipeline 830, so that the noise can be further reduced.

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The beneficial effects that the fan noise reduction and vibration reduction system disclosed by the embodiment of the application may bring include but are not limited to:

the noise-reducing and vibration-reducing system of the fan is characterized in that an air inlet door baffle, a sound-insulating layer, a silencing device and a vibration-reducing support are arranged in a machine box; in the installation state, the fan is installed in the box body through the vibration reduction support, and the air inlet door baffle, the sound insulation layer and the silencing device can play a role in sound insulation and noise reduction on noise generated by the impeller and the motor, so that the noise of the fan is reduced; the vibration reduction support can play the effect of damping to reduce fan vibration. The noise and vibration of the fan can be greatly reduced compared with the existing fan by adopting the fan noise reduction and vibration reduction system, so that the noise and vibration of the fan can be effectively controlled within a normal acceptable range.

It should be noted that the above-mentioned embodiments are exemplary, and those skilled in the art can devise various solutions in light of the present disclosure, which are also within the scope of the present disclosure and fall within the scope of the present disclosure. It should be understood by those skilled in the art that the present specification and drawings are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The fan noise reduction and vibration reduction system is characterized by comprising a case (100);

an air inlet filtering door (200) is arranged on the case (100);

an air inlet door baffle (300) is arranged on the inner side of the air inlet filter door (200);

sound insulation layers (400) are arranged on the inner wall and/or the outer wall of the case (100) and the air inlet door baffle (300);

a silencer (500) is arranged in the case (100); in the installation state, one end of the silencing device (500) is connected with a fan (600) installed in the case (100), and the other end of the silencing device (500) extends out of a machine room through a pipeline;

a vibration reduction bracket (710) is also arranged in the case (100); in the installation state, the fan (600) is installed in the case (100) through the vibration reduction bracket (710).

2. The fan noise and vibration reduction system of claim 1 further comprising a shock absorbing flexible tube (720);

in the mounted state, the silencer (500) is connected with the fan (600) through the damping flexible pipe (720).

3. The fan noise and vibration reduction system of claim 2 further comprising a vibration pad (730);

in the installed state, the damping pad (730) is arranged between the damping support (710) and the chassis (100).

4. The fan noise reduction and vibration reduction system according to claim 2, wherein the flexible damping pipe (720) is a flexible corrugated pipe.

5. The fan noise and vibration reduction system according to claim 3, wherein the vibration reduction pad (730) is an isolation type vibration reduction pad.

6. Fan noise and vibration reduction system according to one of claims 1 to 5, characterized in that the cabinet (100) is made of acoustic panels (110);

the soundproof panel (110) includes a cold plate (111) and a sound absorbing coating layer (112) provided on a surface of the cold plate (111).

7. The fan noise and vibration reduction system according to claim 6, wherein the sound absorption coating (112) is a sound absorption paint layer and/or a plastic spraying layer.

8. The fan noise and vibration reduction system according to one of the claims 1 to 5, wherein the sound insulation layer (400) is a sound insulation board layer and/or a sound insulation cotton layer; the silencer device (500) is a silencer.

9. Fan arrangement with noise and vibration reduction, characterized in that it comprises a fan (600) and a fan noise and vibration reduction system according to one of claims 1 to 8.

10. The fan apparatus with noise reduction and shock absorption functions as claimed in claim 9, wherein the fan apparatus with noise reduction and shock absorption functions further comprises a fan outlet pipe (810);

one end of the fan air outlet pipe (810) is connected with an air outlet of the fan (600) through a pipeline connector (820), and the other end of the fan air outlet pipe (810) is communicated with an air outlet main pipeline (830) arranged on the case (100);

and a soundproof cotton layer is arranged on the fan air outlet pipe (810) and/or the air outlet main pipeline (830).