CN217233926U

CN217233926U - Fan mounting structure based on active noise reduction function

Info

Publication number: CN217233926U
Application number: CN202220323193.4U
Authority: CN
Inventors: 张朋泉; 李云龙; 刘金芳; 张建迪; 冯耀强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-19
Anticipated expiration: 2032-02-17

Abstract

The utility model belongs to the technical field of the fan component, especially, a fan mounting structure based on function of making an uproar falls in initiative, it includes the mount table, its characterized in that, the top of mount table is provided with fan shell, and the internally mounted of fan shell has fan body, and fan body includes driving motor and fan blade, and the both ends surface of fan body is provided with the dust screen, the utility model discloses a fan device is through adopting the initiative noise, is different from falling passively of current motor and making an uproar, collects the sound of low frequency noise (100 ~ 1000 Hz) through four signal microphone collectors earlier, passes to control circuit with the noise signal again, and control circuit carries out real-time operation, plays through Hi-Fi transmission speaker and offsets the noise with noise opposite phase, the sound wave that the amplitude is the same.

Description

Fan mounting structure based on active noise reduction function

Technical Field

The utility model relates to a fan component technical field especially relates to a fan mounting structure based on function of making an uproar falls in initiative.

Background

The blower is a short form of habit of gas compression and gas conveying machinery in China, and generally comprises a ventilator, a blower and a wind driven generator. Gas compression and gas delivery machines are machines that convert rotational mechanical energy into gas pressure energy and kinetic energy and deliver the gas out. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part (a bearing) and the like. The unpowered ventilator utilizes natural wind force and air heat convection caused by indoor and outdoor temperature difference to drive the turbine to rotate, so that the hot air which is not fresh in the room is discharged by utilizing centrifugal force and negative pressure effect.

The existing motor installation components used in factories or civil use can not greatly reduce the noise generated by the motor, the noise is reduced through simple sound-absorbing cotton and the following noise-reducing design, and the noise is passively reduced, so that the effect can not meet the noise reduction in the true sense, and the problem of noise pollution can not be fundamentally eliminated.

Therefore, it is very necessary to provide a fan mounting structure based on an active noise reduction function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the device is not convenient to use: the noise is reduced through the simple sound-absorbing cotton and the following noise-reducing design, and the noise reduction effect cannot meet the noise reduction in the true sense and cannot fundamentally eliminate the noise pollution.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a fan mounting structure based on function of making an uproar falls in initiative, includes the mount table, its characterized in that, the top of mount table is provided with fan shell, and the internally mounted of fan shell has the fan body, and the fan body includes driving motor and fan blade, and the both ends surface of fan body is provided with the dust screen.

Four signal microphone collectors are arranged inside the mounting table, the four signal microphone collectors are arranged on the inner wall of the shell of the fan in a crossed mode, the signal microphone collectors are arranged at the front end of a fan blade of the fan body, and the signal microphone collectors and the fan body are spaced at most ten centimeters apart.

Hi-Fi transmitting speakers are mounted at the end face position of the air outlet end of the mounting table, the number of the Hi-Fi transmitting speakers is three, and the three Hi-Fi transmitting speakers are mounted at the end face position of the air outlet end of the mounting table in a triangular three-point mode.

The mount table links to each other with the fixed station through four equipment bolts, has the shock pad between mount table and the fixed station, and the shock pad adopts the pad body that rubber made, and the inside packing of shock pad has a large amount of sound cotton of inhaling, is provided with the through-hole on the shock pad.

The one end below of fixed station is provided with fixed mounting panel, and fixed mounting panel is the triangle-shaped form, and fixed mounting panel's lower extreme links to each other with the lower extreme that adds the holding rod body, adds the upper end of holding the body of rod and puts continuously with the other end central point of fixed station, adds the mode that the holding rod body is the slope and installs at the fixed station and add on holding the body of rod.

The utility model discloses a fixed mounting panel, including fixed mounting panel, anticorrosion pad and fixed mounting panel, fixed mounting panel's one side is provided with the anticorrosion pad on the surface, and the anticorrosion pad is whole also to be the pad body of making through rubber, and the outside surface of anticorrosion pad has paintd the anticorrosive glue of one deck, and the shape of anticorrosion pad is the same with the fixed station, and a plurality of equipment bolt holes have been seted up to anticorrosion pad and fixed mounting panel, and the equipment bolt hole is the dispersion of V style of calligraphy and sets up on fixed mounting panel.

Compared with the prior art, the utility model has the advantages of:

when this scheme uses, this fan device is through adopting the initiative noise, be different from the passive noise reduction of current motor, earlier collect the sound of low frequency noise (100 ~ 1000 Hz) through four signal microphone collectors, reach control circuit with the noise signal again, control circuit carries out real-time operation, broadcast through Hi-Fi transmission speaker with noise opposite phase place, the sound wave that the amplitude is the same offsets the noise, fundamentally stops the propagation of noise, and the fan is in work, fixed linking department all can produce vibrations, and this vibrations produce strong noise through the collision on two linking piece surfaces, avoid contact between the two through anticorrosion pad and shock pad, reduce the noise of external production by a wide margin.

Drawings

Fig. 1 is a schematic structural diagram of a fan mounting structure based on an active noise reduction function according to the present invention;

fig. 2 is a schematic structural diagram of a fan mounting structure based on an active noise reduction function according to the present invention;

in the figure: the fan comprises a mounting table 1, a fan shell 2, a fan body 3, a dust screen 4, a signal microphone collector 5, a Hi-Fi transmitting loudspeaker 6, an assembling bolt 7, a fixing table 8, a shock pad 9, a fixing mounting plate 10, a clamping rod 11, an assembling bolt hole 12 and an anti-corrosion pad 13.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, 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 efforts shall belong to the protection scope of the present invention.

In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1-2, a fan mounting structure based on active noise reduction function, including mount table 1, its characterized in that, the top of mount table 1 is provided with fan shell 2, and the internally mounted of fan shell 2 has fan body 3, and fan body 3 includes driving motor and fan blade, and the both ends surface of fan body 3 is provided with dust screen 4, and four signal microphone collectors 5 are alternately installed at fan shell 2 inner wall, and signal microphone collector 5 sets up in fan body 3 fan blade front end position, and signal microphone collector 5 has ten centimetres of interval at most with fan body 3.

Example two

Fixed station 8's one end below is provided with fixed mounting panel 10, fixed mounting panel 10 is the triangle-shaped form, fixed mounting panel 10's lower extreme links to each other with the lower extreme that adds the holding rod body 11, the upper end that adds the holding rod body 11 links to each other with fixed station 8's other end central point, fixed mounting panel 10's one side is provided with anticorrosion pad 13 on the surface, anticorrosion pad 13 is whole also to be the pad body of making through rubber, anticorrosion pad 13's outside surface is scribbled one deck anticorrosion glue, anticorrosion pad 13's shape is the same with fixed station 8, anticorrosion pad 13 and fixed mounting panel 10 have seted up a plurality of equipment bolt holes 12, equipment bolt hole 12 is the V style of calligraphy and scatters and opens and establish on fixed mounting panel 10.

The above-described embodiments have the following principles and effects:

this fan device is through adopting the initiative noise, be different from the passive noise reduction of current motor, earlier collect the sound of low frequency noise (100 ~ 1000 Hz) through four signal microphone collectors, reach control circuit with the noise signal again, control circuit carries out real-time operation, broadcast and noise opposite phase place through Hi-Fi transmission speaker, the sound wave that the amplitude is the same offsets the noise, fundamentally stops the propagation of noise, and the fan is in work, fixed linking department all can produce vibrations, and this vibrations produce strong noise through the collision on two linking member surfaces, avoid the contact between the two through anticorrosion pad and shock pad, reduce the noise of external production by a wide margin.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a fan mounting structure based on function of making an uproar falls in initiative, includes mount table (1), its characterized in that, the top of mount table (1) is provided with fan shell (2), and the internally mounted of fan shell (2) has fan body (3), and fan body (3) are provided with dust screen (4) including driving motor and fan blade, the both ends surface of fan body (3).

2. The active noise reduction function-based fan mounting structure of claim 1, wherein: the utility model discloses a fan, including mount table (1), four signal microphone collectors (5) are installed to the internally mounted of mount table (1), and four signal microphone collectors (5) are the mode of crossing and install at fan shell (2) inner wall, and signal microphone collector (5) set up in fan body (3) fan blade front end position, have ten centimetres of interval at most between signal microphone collector (5) and the fan body (3).

3. The active noise reduction function-based fan mounting structure of claim 2, wherein: Hi-Fi transmitting speakers (6) are installed at the end face position of the air outlet end of the mounting table (1), the number of the Hi-Fi transmitting speakers (6) is three, and the three Hi-Fi transmitting speakers (6) are installed at the end face position of the air outlet end of the mounting table (1) in a triangular three-point mode.

4. The active noise reduction function-based fan mounting structure of claim 1, wherein: the mounting table (1) is connected with the fixed table (8) through four assembling bolts (7), a shock pad (9) is arranged between the mounting table (1) and the fixed table (8), the shock pad (9) is a pad body made of rubber, the inside of the shock pad (9) is filled with a large amount of sound absorption cotton, and a through hole is formed in the shock pad (9).

5. The active noise reduction function-based fan mounting structure of claim 4, wherein: the one end below of fixed station (8) is provided with fixed mounting panel (10), and fixed mounting panel (10) are the triangle-shaped form, and the lower extreme of fixed mounting panel (10) links to each other with the lower extreme that adds holding body of rod (11), adds the upper end that holds body of rod (11) and puts continuously with the other end central point of fixed station (8), adds the mode that holds body of rod (11) to be the slope and installs on fixed station (8) and add and hold body of rod (11).

6. The active noise reduction function-based fan mounting structure of claim 5, wherein: the utility model discloses a fixed mounting panel, including fixed mounting panel (10), fixed mounting panel (10) is provided with anti-corrosion pad (13) on one side surface, and anti-corrosion pad (13) are whole also to be the pad body of making through rubber, and the outside surface of anti-corrosion pad (13) is paintd one deck anticorrosive glue, and the shape of anti-corrosion pad (13) is the same with fixed station (8), and a plurality of equipment bolt holes (12) have been seted up in anti-corrosion pad (13) and fixed mounting panel (10), and equipment bolt hole (12) are the dispersion of V style of calligraphy and set up on fixed mounting panel (10).