CN107829986A - A kind of noise abatement device of Fan Equipment - Google Patents
A kind of noise abatement device of Fan Equipment Download PDFInfo
- Publication number
- CN107829986A CN107829986A CN201711271281.4A CN201711271281A CN107829986A CN 107829986 A CN107829986 A CN 107829986A CN 201711271281 A CN201711271281 A CN 201711271281A CN 107829986 A CN107829986 A CN 107829986A
- Authority
- CN
- China
- Prior art keywords
- proof box
- sound proof
- installing plate
- fan
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of noise abatement device of Fan Equipment, sound proof box including bottom plate and on bottom plate, the bottom plate top of sound proof box side is fixed with two support bars, the top of support bar is fixed with horizontally disposed silencing pot, one layer of acoustic board is equipped with four sides of sound proof box and top inwall, the inside of sound proof box is provided with horizontally disposed installing plate, equally distributed sleeve is respectively and fixedly provided with four side side walls of installing plate, the inside of sleeve is socketed with the first spring, the both ends of first spring are connected in the side wall of installing plate and in the side wall of acoustic board, the bottom of installing plate is provided with multiple equally distributed second springs, the bottom of second spring is both connected on the bottom inwall of sound proof box.The present apparatus is simple in construction, reasonable in design, and effectively air pertormance noise caused by air inlet can be weakened, while can reduce the vibrations of blower fan its own mechanical and caused noise, erasure effect are good.
Description
Technical field
The present invention relates to the noise abatement device of noise abatement technical field, more particularly to a kind of Fan Equipment.
Background technology
Noise refers to that sounding body does the sound sent during random vibration.Sound is produced by the vibration of object, with the shape of ripple
Formula is propagated in certain medium (such as solid, liquid, gas).Caused by usually said noise pollution refers to artificially.
From the point of view of physiological point, the sound of every interference people rest, study and work and the sound generation interference to be listened you
Sound, i.e., unwanted sound, is referred to as noise.When noise on human and surrounding environment have undesirable effect, it is dirty just to form noise
Dye.Since Industrial Revolution, the creation and use of various plant equipment, flourishing and progress is brought to the mankind, but also produce simultaneously
More and more and increasingly stronger noise.Noise can not only cause to damage to hearing, moreover it is possible to induce a variety of carcinogenic fatal
Disease, also the life and work of people is disturbed.
When in use, main noise source mostlys come from the air power noise of blower fan to Fan Equipment, i.e. blower fan enters
Air power noise at air port, also it is exactly that itself contact with to bottom surface all can be as machinery shakes when Fan Equipment uses
Move and produce many noises, fan noise processing at present most commonly installs muffler at air inlet either will be whole
Individual blower fan setting silencer cover, erasure effect are bad, it is impossible to reduce noise caused by blower fan mechanical shock itself, we carry for this
Go out a kind of noise abatement device of Fan Equipment.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of noise of the Fan Equipment proposed
Controlling device.
To achieve these goals, present invention employs following technical scheme：
A kind of noise abatement device of Fan Equipment, including bottom plate and the sound proof box on bottom plate, sound proof box side
Bottom plate top be fixed with two support bars, the top of support bar is fixed with horizontally disposed silencing pot, four sides of sound proof box and
One layer of acoustic board is equipped with the inwall of top, the inside of sound proof box is provided with horizontally disposed installing plate, four side side walls of installing plate
On be respectively and fixedly provided with equally distributed sleeve, the inside of sleeve is socketed with the first spring, and the both ends of the first spring are connected to peace
In the side wall of loading board and in the side wall of acoustic board, the bottom of installing plate is provided with multiple equally distributed second springs, second spring
Bottom be both connected on the bottom inwall of sound proof box, the top of installing plate has been bolted fan body, fan body
Air inlet extend sound proof box and be connected with the first flexible pipe, the other end of the first flexible pipe is connected with the inside of silencing pot, disappeared
The inside of cylinder record is provided with acoustic tube, and vacuum chamber is provided between acoustic tube and silencing pot, and array point is connected with the side wall of silencing pot
The side pipe of cloth, and side pipe is connected with the inside of acoustic tube.
Preferably, one layer of corrugated plating is equipped with the side pipe and the inwall of acoustic tube, and corrugated plating is organic fiber material
Material.
Preferably, the acoustic board and acoustic tube are that super glass wool is made.
Preferably, the both sides of the sound proof box offer through hole, and the air inlet and air outlet of fan body are each passed through
Through hole extends to the outside of sound proof box, and the second flexible pipe is connected with the air outlet of fan body.
Preferably, the side pipe tilts 30 degree to 60 degree settings.
Beneficial effect in the present invention：The present apparatus passes through acoustic board, sound proof box, the first flexible pipe, corrugated plating, side pipe, noise elimination
The setting of cylinder, vacuum chamber, acoustic tube, support bar, bottom plate, installing plate, sleeve, the first spring and fan body, reduces blower fan
Noise caused by because of mechanical shock itself, in addition, between the inlet, outlet and pipeline of blower fan, is entered with the method being flexible coupling
Row pipeline vibration isolation, thus reduces the transmission of vibrational energy, reaches the purpose of vibration insulation and noise reduction, while pass through multiple side pipe air intakes
Structure design, the contact area of air intake and quieter material can be increased, add erasure effect, the present apparatus is simple in construction, if
Meter is reasonable, effectively air pertormance noise caused by air inlet can be weakened, while can reduce blower fan
Its own mechanical shakes and caused noise, erasure effect are good.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the noise abatement device of Fan Equipment proposed by the present invention；
Fig. 2 is a kind of silencing apparatus side sectional drawing of the noise abatement device of Fan Equipment proposed by the present invention.
In figure：1 acoustic board, 2 sound proof boxs, 3 first flexible pipes, 4 corrugated platings, 5 side pipes, 6 silencing pots, 7 vacuum chambers, 8 sound absorptions
Cylinder, 9 support bars, 10 bottom plates, 11 installing plates, 12 sleeves, 13 first springs, 14 fan bodies.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, a kind of noise abatement device of Fan Equipment, including bottom plate 10 and the sound insulation on bottom plate 10
Case 2, the top of bottom plate 10 of the side of sound proof box 2 are fixed with two support bars 9, and the top of support bar 9 is fixed with horizontally disposed disappear
Cylinder record 6, is equipped with one layer of acoustic board 1 on four sides of sound proof box 2 and top inwall, and the inside of sound proof box 2 is provided with horizontally disposed
Installing plate 11, equally distributed sleeve 12 is respectively and fixedly provided with four side side walls of installing plate 11, the inside of sleeve 12 is socketed with first
Spring 13, the both ends of the first spring 13 are connected in the side wall of installing plate 11 and in the side wall of acoustic board 1, installing plate 11
Bottom is provided with multiple equally distributed second springs, and the bottom of second spring is both connected on the bottom inwall of sound proof box 2, installation
The top of plate 11 has been bolted fan body 14, and the air inlet of fan body 14 extends sound proof box 2 and is connected with
One flexible pipe 3, the other end of the first flexible pipe 3 are connected with the inside of silencing pot 6, and the inside of silencing pot 6 is provided with acoustic tube 8, sound absorption
Be provided with vacuum chamber 7 between cylinder 8 and silencing pot 6, be connected with the side pipe 5 of array distribution in the side wall of silencing pot 6, and side pipe 5 with
The inside of acoustic tube 8 is connected, and one layer of corrugated plating 4 is equipped with the inwall of side pipe 5 and acoustic tube 8, and corrugated plating 4 is organic fibre
Material is tieed up, acoustic board 1 and acoustic tube 8 are that super glass wool is made, and the both sides of sound proof box 2 offer through hole, fan body
14 air inlet and air outlet is each passed through the outside that through hole extends to sound proof box 2, and is connected at the air outlet of fan body 14
There is the second flexible pipe, side pipe 5 tilts 30 degree to 60 degree settings.
Operation principle：In the use of the present invention, first fan body 14 is mounted by means of bolts on inside sound proof box 2
On installing plate 11, fan body 14 into and out of being flexible pipe connection at air port, air inlet passes through the first flexible pipe 3 and silencing pot 6
Connection, when fan body works, fan body 14 sucks outside air by multiple side pipes 5 inside of silencing pot 6, air
Can be by the corrugated plating 4 that is provided with the inwall of side pipe 5 and silencing pot 6 in flowing so that noise caused by air flow is not to
Same angle is rebounded, and is weakened so as to slowly offset, and reaches the purpose of de-noising, while vacuum chamber 7 and acoustic tube 8 will can eliminate the noise
Acoustic noise reducing and noise insulation unofficial biography inside cylinder 6 so that soundproof effect is good, while fan body 14 is at work, and first
The flexible pipe of flexible pipe 3 and second can prevent pipeline from driving other machineries to produce vibrating noise, and multiple the first of the side of installing plate 11 4
Multiple second springs of spring and the bottom of installing plate 11 can reduce mechanical shock when fan body 14 works, and fundamentally reduce
The propagation of noise, the present apparatus is simple in construction, reasonable in design, and effectively air pertormance caused by air inlet can be made an uproar
Sound is weakened, at the same can reduce blower fan its own mechanical vibrations and caused noise, erasure effect are good.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope that the utility model discloses, technique according to the invention scheme
And its inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of noise abatement device of Fan Equipment, including bottom plate (10) and the sound proof box (2) on bottom plate (10), its
It is characterised by, bottom plate (10) top of sound proof box (2) side is fixed with two support bars (9), and the top of support bar (9) is consolidated
Surely there is horizontally disposed silencing pot (6), one layer of acoustic board (1), sound proof box are equipped with four sides of sound proof box (2) and top inwall
(2) inside is provided with horizontally disposed installing plate (11), and equally distributed set is respectively and fixedly provided with four side side walls of installing plate (11)
Cylinder (12), the inside of sleeve (12) are socketed with the first spring (13), and the both ends of the first spring (13) are connected to installing plate
(11) in side wall and in the side wall of acoustic board (1), the bottom of installing plate (11) is provided with multiple equally distributed second springs, the
The bottom of two springs is both connected on the bottom inwall of sound proof box (2), and the top of installing plate (11) has been bolted blower fan
Body (14), the air inlet of fan body (14) extend sound proof box (2) and are connected with the first flexible pipe (3), the first flexible pipe (3)
The other end is connected with the inside of silencing pot (6), and the inside of silencing pot (6) is provided with acoustic tube (8), acoustic tube (8) and silencing pot
(6) vacuum chamber (7) is provided between, is connected with the side pipe (5) of array distribution in the side wall of silencing pot (6), and side pipe (5) with suction
The inside of cylinder record (8) is connected.
A kind of 2. noise abatement device of Fan Equipment according to claim 1, it is characterised in that the side pipe (5) and
One layer of corrugated plating (4) is equipped with the inwall of acoustic tube (8), and corrugated plating (4) is organic fibrous material.
A kind of 3. noise abatement device of Fan Equipment according to claim 1, it is characterised in that the acoustic board (1)
It is that super glass wool is made with acoustic tube (8).
A kind of 4. noise abatement device of Fan Equipment according to claim 1, it is characterised in that the sound proof box (2)
Both sides offer through hole, the air inlet and air outlet of fan body (14) are each passed through through hole and extend to sound proof box (2)
Outside, and it is connected with the second flexible pipe at the air outlet of fan body (14).
5. the noise abatement device of a kind of Fan Equipment according to claim 1, it is characterised in that the side pipe (5) is equal
Tilt 30 degree to 60 degree settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271281.4A CN107829986A (en) | 2017-12-05 | 2017-12-05 | A kind of noise abatement device of Fan Equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271281.4A CN107829986A (en) | 2017-12-05 | 2017-12-05 | A kind of noise abatement device of Fan Equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107829986A true CN107829986A (en) | 2018-03-23 |
Family
ID=61641364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271281.4A Withdrawn CN107829986A (en) | 2017-12-05 | 2017-12-05 | A kind of noise abatement device of Fan Equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829986A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026753A (en) * | 2018-07-18 | 2018-12-18 | 江苏展宏灌排科技有限公司 | One kind being used for squelch type Submersible Pump |
| CN109356870A (en) * | 2018-11-21 | 2019-02-19 | 刘清明 | A kind of box corrosive resistant fan of sound insulation |
| CN111924763A (en) * | 2020-08-26 | 2020-11-13 | 冯国民 | Roots blower overhauling operation platform |
| CN113700721A (en) * | 2021-09-14 | 2021-11-26 | 赵小兵 | Anti-loose self-tapping screw |
| CN114087439A (en) * | 2021-11-30 | 2022-02-25 | 湖南泛航智能装备有限公司 | Connecting structure and connecting method for air inlet pipeline of high-speed centrifugal fan |
-
2017
- 2017-12-05 CN CN201711271281.4A patent/CN107829986A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026753A (en) * | 2018-07-18 | 2018-12-18 | 江苏展宏灌排科技有限公司 | One kind being used for squelch type Submersible Pump |
| CN109356870A (en) * | 2018-11-21 | 2019-02-19 | 刘清明 | A kind of box corrosive resistant fan of sound insulation |
| CN111924763A (en) * | 2020-08-26 | 2020-11-13 | 冯国民 | Roots blower overhauling operation platform |
| CN113700721A (en) * | 2021-09-14 | 2021-11-26 | 赵小兵 | Anti-loose self-tapping screw |
| CN114087439A (en) * | 2021-11-30 | 2022-02-25 | 湖南泛航智能装备有限公司 | Connecting structure and connecting method for air inlet pipeline of high-speed centrifugal fan |
| CN114087439B (en) * | 2021-11-30 | 2023-09-26 | 湖南泛航智能装备有限公司 | High-speed centrifugal fan air inlet pipeline connection structure and connection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180323 |