CN212838456U

CN212838456U - High-efficient whistle box and fan that has silencing device

Info

Publication number: CN212838456U
Application number: CN202021273824.3U
Authority: CN
Inventors: 杨秀芹; 耿军喜
Original assignee: Ajn Fan Energy Saving Equipment Suzhou Co ltd
Current assignee: Ajn Fan Energy Saving Equipment Suzhou Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-30
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a high-efficiency sound-muffling box and a fan with a sound-muffling device, wherein the box body of the high-efficiency sound-muffling box comprises a plurality of side sound-insulating boards and an upper sound-insulating board connected to the top of the side sound-insulating boards, the side sound-insulating boards are provided with air exchange windows, and the side sound-insulating boards and/or the upper sound-insulating boards are provided with air inlet windows and air outlet windows; the side acoustic celotex board includes first planking, first inner panel and first amortization thing, first inner panel is established on first planking towards the inside one side of box, first inner panel both ends branch is equipped with the first connecting portion of being connected with first planking, first inner panel still is equipped with a plurality of second connecting portions of being connected with first planking, a plurality of second connecting portion interval distribution are between two first connecting portions, between first connecting portion and the second connecting portion, the direction setting that deviates from first planking towards the first inner panel orientation between two adjacent second connecting portions, first amortization thing sets up on the surface that deviates from one side of first planking at first inner panel. This scheme can high-efficiently absorbed noise, reduces the noise of fan operation.

Description

High-efficient whistle box and fan that has silencing device

Technical Field

The utility model relates to a fan technical field, specific is a high-efficient whistle box and fan that has silencing device.

Background

The fan is mainly applied to ventilation in various fields of national economy such as metallurgy, petrifaction, electric power, urban rail transit, textile, ships and the like and various places. Some fans may be installed around the fan, and people may live and work, and the noise generated by the motor during the operation of the fan affects the life and work of people. Along with the improvement of noise reduction requirements of people on living and working environments and the improvement of consciousness of running working conditions of the fan, the technical problem of how to reduce noise and protect a motor of the fan is continuously researched by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a high-efficient whistle box and fan that has silencing device, its noise that can reduce the fan operation by a wide margin.

The embodiment of the application discloses: a high-efficiency sound muffling box is used for muffling a fan, wherein the fan comprises a fan main body and a motor used for driving the fan main body, the fan comprises a hollow box body, the box body comprises a plurality of side sound insulating boards and an upper sound insulating board connected to the tops of the side sound insulating boards, at least one side sound insulating board is provided with a ventilation window used for communicating the inside and the outside of the box body, and the side sound insulating boards and/or the upper sound insulating board are/is provided with an air inlet window used for air inlet and an air outlet window used for air outlet of the fan main body; the side acoustic celotex board includes first planking, first inner panel and first amortization thing, first inner panel sets up first planking orientation on one side of the inside of box, the both ends of first inner panel be equipped with respectively be used for with the first connecting portion that first planking is connected, still be equipped with on the first inner panel a plurality of be used for with the second connecting portion that first planking is connected, it is a plurality of second connecting portion interval distribution is in two between the first connecting portion, first connecting portion with first inner panel between the second connecting portion, first inner panel between two adjacent second connecting portions all face and deviate from the direction setting of first planking, first amortization thing sets up first inner panel deviates from the one side of first planking is on the surface.

Specifically, go up the acoustic celotex board and include second planking, second inner panel and second amortization thing, the second inner panel sets up the second planking orientation on one side of the inside of box, the both ends of second inner panel be equipped with respectively be used for with the third connecting portion that the second planking is connected, still be equipped with on the second inner panel a plurality of be used for with the fourth connecting portion that the second planking is connected, it is a plurality of fourth connecting portion interval distribution is in two between the third connecting portion, the third connecting portion with second inner panel between the fourth connecting portion, the second inner panel between two adjacent fourth connecting portion all face and deviate from the direction setting of second planking, the second amortization thing sets up the second inner panel deviates from the second planking on the surface.

Specifically, the box is still including connecting a plurality ofly the lower acoustic celotex board of the bottom of side acoustic celotex board, the acoustic celotex board includes third planking, third inner panel and third amortization thing down, the third inner panel sets up the third planking orientation on one side of the inside of box, the third amortization thing sets up the third inner panel deviates from on one side of third planking.

Specifically, at least one of the side acoustic panels is further provided with a heat dissipation window.

Specifically, at least one reserved hole is further formed in the side sound insulation plate or the lower sound insulation plate.

Specifically, the length of the first connecting portion in the direction toward the second connecting portion is greater than or equal to 150mm, and the length of the third connecting portion in the direction toward the fourth connecting portion is greater than or equal to 150 mm.

Specifically, the first noise reduction object and the second noise reduction object are both egg cotton.

Specifically, the box body further comprises an access door.

Specifically, the lower sound insulation board is further provided with an elastic connecting piece used for connecting the fan main body and the motor.

The embodiment of the application also discloses: a fan with a silencing device comprises the high-efficiency silencing box, a fan main body and a motor, wherein the motor is used for driving the fan main body, and the fan main body and the motor are arranged in the high-efficiency silencing box.

The utility model discloses following beneficial effect has at least:

first amortization thing and second amortization thing in this embodiment are uneven wavy structure, and when the noise that produces when fan main part and motor operation transmitted first amortization thing and second amortization thing, most noise can be absorbed by first amortization thing and second amortization thing at the very first time, and a small part of noise can be refracted away, and the noise that refracts away is again transmitted to first amortization thing or second amortization thing opposite again in, and then is absorbed. Therefore, the noise absorption capacity of the first silencing object and the second silencing object in the box body is improved, and the noise transmitted to the outside is obviously reduced. The scheme can effectively reduce the noise generated by the fan main body and the motor in the running process to about 55dB (when the fan is not provided with any silencer, the noise generated by the fan main body and the motor is about 85dB, and the noise of a common silencer is about 70 dB).

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a fan with a silencer according to an embodiment of the present invention;

fig. 2 is a side view of a fan with a silencer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the side acoustic panel according to the embodiment of the present invention.

Reference numerals of the above figures: 1. a fan main body; 2. a motor; 3. a side baffle; 31. a first outer plate; 32. a first inner panel; 321. a first connection portion; 322. a second connecting portion; 33. a first silencer; 4. an upper baffle plate; 5. a ventilation window; 6. an air intake window; 7. an exhaust window; 8. a lower acoustic panel; 9. a heat dissipation window; 10. an access door; 11. an elastic connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The high-efficiency sound muffling box in this embodiment can be used for muffling a fan, wherein the fan in this embodiment includes a fan main body 1 and a motor 2 for driving the fan main body 1.

As shown in fig. 1 to 3, the high efficiency sound muffling box may include a hollow box body, and the box body may include a plurality of side baffles 3 and an upper baffle 4 connected to the top of the plurality of side baffles 3, in other words, the plurality of side baffles 3 and the upper baffle 4 connected to the top of the plurality of side baffles 3 may jointly enclose the hollow box body. At least one side acoustic baffle 3 is provided with a ventilation window 5 for communicating the inside and the outside of the box body, and the side acoustic baffle 3 and/or the upper acoustic baffle 4 are provided with an air inlet window 6 for air inlet of the air supply main body 1 and an exhaust window 7 for exhaust of the air supply main body 1.

Referring with emphasis to fig. 1 and 3, the side baffle plate 3 may include a first outer plate 31, a first inner plate 32, and a first silencer 33. The first outer plate 31 is disposed toward the outside of the cabinet, and the first inner plate 32 is disposed on the side of the first outer plate 31 toward the inside of the cabinet. Two ends of the first inner plate 32 may be respectively provided with a first connecting portion 321 for connecting with the first outer plate 31, the first inner plate 32 may be further provided with a plurality of second connecting portions 322 for connecting with the first outer plate 31, and the plurality of second connecting portions 322 are spaced between the two first connecting portions 321. The first inner plate 32 between the first connecting portion 321 and the second connecting portion 322 and the first inner plate 32 between two adjacent second connecting portions 322 are both arranged towards the direction departing from the first outer plate 31, and the first silencer 33 is arranged on the surface of one side of the first inner plate 32 departing from the first outer plate 31.

Specifically, the side soundproof panels 3 may be disposed in the vertical direction, the first outer panel 31 may be a straight panel disposed in the vertical direction, the first inner panel 32 may be a wavy panel substantially wavy in the vertical direction, and the plurality of second connecting portions 322 may be spaced apart in the vertical direction between the two first connecting portions 321. The first outer plate 31 and the first inner plate 32 are connected by the first connection portion 321 and the second connection portion 322 of the first inner plate 32, and the first outer plate 31 may not be connected or in contact with the first inner plate 32 except for the first connection portion 321 and the second connection portion 322. The first inner panel 32 between the first connection portion 321 and the second connection portion 322 and the first inner panel 32 between two adjacent second connection portions 322 are bent or zigzag with respect to the first outer panel 31. The first muffling object 33 is covered on the first inner plate 32 along the surface of the first inner plate 32, and the first muffling object 33 can be attached to the wavy first inner plate 32 along the surface thereof, that is, the first muffling object 33 can be followed by the first inner plate 32, so that the first muffling object 33 is covered on the surface of the first inner plate 32.

Borrow by above-mentioned structure, first amortization thing 33 in this embodiment is the uneven wavy structure of fluctuation, and when the noise that produces when fan main part 1 and motor 2 operation transmitted first amortization cotton on, most noise can be absorbed by first amortization cotton in the very first time, and a small part of noise can be refracted away, and the noise that refracts away is transmitted again to opposite first amortization cotton in, and then is absorbed. In this way, the noise absorption capacity of the first muffling object 33 in the tank is improved, and the noise transmitted to the outside is remarkably reduced.

Specifically, as shown in fig. 1 and 2, the upper baffle plate 4 in the present embodiment has substantially the same structure as the side baffle plates 3, and the upper baffle plate 4 may also include a second outer plate, a second inner plate, and a second silencer (none of which is shown). Wherein the second outer plate is disposed toward an outside of the case, and the second inner plate is disposed on a side of the second outer plate toward an inside of the case. The two ends of the second inner plate are respectively provided with a third connecting part (not shown in the figure) for connecting with the second outer plate, the second inner plate can also be provided with a plurality of fourth connecting parts (not shown in the figure) for connecting with the second outer plate, and the plurality of fourth connecting parts are distributed between the two third connecting parts at intervals. The second inner plate between the third connecting portion and the fourth connecting portion and the second inner plate between the two adjacent fourth portions are arranged towards the direction deviating from the second outer plate, and the second silencing object is arranged on the surface of one side, deviating from the second outer plate, of the second inner plate. The second outer panel, the second inner panel, and the second mufflers of the upper baffle 4 are the same in shape and structure as the first outer panel 31, the first inner panel 32, and the first mufflers 33 of the side baffle 3.

Adopt above-mentioned scheme, can further improve the effective area of the amortization thing in the box for the area of the amortization thing in the box of this embodiment can reach about 2 times of the amortization thing area of ordinary sound-proof box, consequently, can reach the better effect of making an uproar of falling of amortization.

Specifically, as shown in fig. 1 and 2, the cabinet in this embodiment may further include a lower baffle plate 8 attached to the bottom of the plurality of side baffle plates 3, the lower baffle plate 8 being disposed opposite to the upper baffle plate 4. The lower baffle-panel 8 may comprise a third outer panel, which is arranged on the side of the third outer panel facing the interior of the cabinet, a third inner panel, which is arranged on the side of the third inner panel facing away from the third outer panel, and a third baffle (none of which is shown in the figures). It should be noted that, since the fan main body 1 and the motor 2 are usually installed at the bottom of the box, that is, on the lower baffle 8 in this embodiment, in order to ensure that the two are installed smoothly, the third outer plate, the third inner plate and the third silencer of the lower baffle 8 are all in a straight plate shape. Further, in order to avoid the case body to generate large vibration when the fan operates, some elastic connecting pieces 11 can be arranged on the lower sound insulation plate 8, the fan main body 1 and the motor 2 can be connected to the case body through the elastic connecting pieces 11, and the elastic connecting pieces 11 can play a role in shock absorption.

Specifically, as shown in fig. 1 and 2, at least one of the side baffles 3 may further include a heat dissipation window 9 for dissipating heat from the internal environment of the cabinet, and at least one of the side baffles 3 or the lower baffle 8 may further include at least one reserved hole (not shown). Preferably, the lower baffle plate 8 in this embodiment is provided with two prepared holes, wherein one prepared hole is used for the drain pipe of the blower main body 1 to pass through, and the other prepared hole is used for the wiring of the power supply machine 2 to pass through. The box body can also comprise an access door 10, so that the fan main body 1 and the motor 2 in the box body can be conveniently accessed. Further, the air inlet pipe and the exhaust pipe of the fan main body 1 can be connected with the box body through hoses, and noise can be further reduced.

Specifically, as shown in fig. 3, the length L1 of the first connection portion 321 of the side baffle plate 3 in the direction toward the second connection portion 322 is greater than or equal to 150mm to ensure a sufficient connection area between the first inner plate 32 and the first outer plate 31. The length L2 of the second connection portion 322 in the direction toward the first connection portion 321 can be appropriately adjusted according to the size of the baffle plate. Similarly, the length of the third connecting portion of the upper baffle plate 4 in the direction toward the fourth connecting portion may be 150mm or more, and the length of the fourth connecting portion in the direction toward the third connecting portion may be appropriately adjusted according to the size of the upper baffle plate 4.

Specifically, the first noise damper 33, the second noise damper, and the third noise damper in this embodiment may be egg wool having a thickness of about 50mm, which has an advantage of efficiently absorbing noise. The first outer plate 31, the second outer plate, and the third outer plate may be FRP (fiber reinforced) composite plates having a thickness of about 2mm, and the first inner plate 32, the second inner plate, and the third inner plate may be FRP composite plates having a thickness of about 1 mm.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A high-efficiency sound muffling box is used for muffling a fan, wherein the fan comprises a fan main body and a motor used for driving the fan main body, and is characterized by comprising a hollow box body, the box body comprises a plurality of side sound insulating boards and an upper sound insulating board connected to the tops of the side sound insulating boards, at least one side sound insulating board is provided with a ventilation window used for communicating the inside and the outside of the box body, and the side sound insulating boards and/or the upper sound insulating board are/is provided with an air inlet window used for air inlet and an air outlet window used for air outlet of the fan main body; the side acoustic celotex board includes first planking, first inner panel and first amortization thing, first inner panel sets up first planking orientation on one side of the inside of box, the both ends of first inner panel be equipped with respectively be used for with the first connecting portion that first planking is connected, still be equipped with on the first inner panel a plurality of be used for with the second connecting portion that first planking is connected, it is a plurality of second connecting portion interval distribution is in two between the first connecting portion, first connecting portion with first inner panel between the second connecting portion, first inner panel between two adjacent second connecting portions all face and deviate from the direction setting of first planking, first amortization thing sets up first inner panel deviates from the one side of first planking is on the surface.

2. The efficient sound-muffling box according to claim 1, wherein the upper sound-insulating plate comprises a second outer plate, a second inner plate and a second sound-muffling object, the second inner plate is disposed on a side of the second outer plate facing the inside of the box body, third connecting portions for connecting with the second outer plate are respectively disposed at two ends of the second inner plate, a plurality of fourth connecting portions for connecting with the second outer plate are further disposed on the second inner plate, the plurality of fourth connecting portions are spaced between the two third connecting portions, the second inner plate between the third connecting portions and the fourth connecting portions and the second inner plate between two adjacent fourth connecting portions are disposed facing a direction away from the second outer plate, and the second sound-muffling object is disposed on a surface of a side of the second inner plate away from the second outer plate.

3. The high efficiency sound muffling enclosure of claim 1, wherein the enclosure further comprises a lower sound baffle attached to a bottom of the plurality of side sound baffles, the lower sound baffle comprising a third outer panel, a third inner panel, and a third muffler, the third inner panel disposed on a side of the third outer panel facing the interior of the enclosure, the third muffler disposed on a side of the third inner panel facing away from the third outer panel.

4. The sound attenuation apparatus according to claim 1, wherein at least one of said side panels is further provided with a heat radiation window.

5. The muffling box of claim 3, wherein at least one pre-hole is further defined in the side baffles or the lower baffle.

6. The sound box of claim 2, wherein the first connecting portion has a length in a direction toward the second connecting portion of greater than or equal to 150mm, and the third connecting portion has a length in a direction toward the fourth connecting portion of greater than or equal to 150 mm.

7. The sound box of claim 2, wherein the first and second silencers are all egg wool.

8. The high efficiency sound muffling box of claim 1, wherein the box further comprises an access door.

9. The sound muffling box according to claim 3, wherein the lower sound-insulating plate further comprises an elastic connecting member for connecting the fan body and the motor.

10. A fan with a silencer, characterized in that the fan with a silencer comprises a high-efficiency silencer casing according to any one of claims 1 to 9, a fan main body, and a motor for driving the fan main body, the fan main body and the motor being disposed inside the high-efficiency silencer casing.