CN117052722A - Low-noise blower system - Google Patents
Low-noise blower system Download PDFInfo
- Publication number
- CN117052722A CN117052722A CN202311213753.6A CN202311213753A CN117052722A CN 117052722 A CN117052722 A CN 117052722A CN 202311213753 A CN202311213753 A CN 202311213753A CN 117052722 A CN117052722 A CN 117052722A
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- CN
- China
- Prior art keywords
- blower system
- air
- flow
- shell
- wall
- 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- Withdrawn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
- 230000030279 gene silencing Effects 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 235000014676 Phragmites communis Nutrition 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000003116 impacting effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000003584 silencer Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 244000273256 Phragmites communis Species 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- F04D29/66—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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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 low-noise blower system, which comprises a machine shell, wherein a plurality of slow flow covers are arranged on the inner wall of the machine shell, and the inner cavities of the slow flow covers are in conductive connection with the outside through a plurality of openings which are arranged through the machine shell; an exhaust fan is arranged on the outer wall of the shell, a guide pipe is arranged at the air outlet end of the exhaust fan, and the guide pipe is connected with the opening in a conducting way; the end of the slow flow cover is provided with an air outlet, and one side of the shell, which is positioned towards the air outlet, is provided with a silencing component. By arranging the slow flow cover, the air flow in the shell can be cut and split, and the high-pressure air flow in the shell can be prevented from directly impacting the inner wall of the shell by being matched with external jet flow introduced by the exhaust fan, so that noise is reduced; through the amortization subassembly that sets up, can further reduce the produced wind noise of air current flow, the produced vibrations of amortization subassembly can effectively shake off the impurity that is attached to above that when the air current flows through simultaneously, guarantees the amortization effect.
Description
Technical Field
The invention relates to the field of blower equipment, in particular to a blower system capable of running with low noise.
Background
The utility model provides a dust collecting equipment of wide application in industrial production, it drives impeller through the motor and rotates, form the negative pressure in fixed cavity, with the air suction of external world with a large amount of dust and spout through its spout, accomplish the process of dust removal, but the noise source of current widely used air-blower is comparatively complicated through the research discovery, including the operation noise of motor, the vibrations noise of casing, the whistle of high-pressure air flow impact casing inner wall and the noise that the air current was cut by sharp structure, in order to solve the above-mentioned problem of many noise sources, prior art scheme is usually to noise absorbing treatment, but not to noise source processing isolation, traditional sound absorbing scheme can not fine solution noise problem, still can bring other additional new problems simultaneously.
Disclosure of Invention
In view of the foregoing problems, it is an object of the present invention to provide a low noise blower system, which is capable of reducing noise of a blower by processing noise and a noise source.
In order to achieve the above purpose, the invention provides a low noise blower system, comprising a casing, wherein a plurality of slow flow covers are arranged on the inner wall of the casing, and the inner cavities of the slow flow covers are connected with the outside in a conduction way through a plurality of openings penetrating through the casing;
an exhaust fan is arranged on the outer wall of the shell, a guide pipe is arranged at the air outlet end of the exhaust fan, and the guide pipe is connected with the opening in a conducting way;
the end of the slow flow cover is provided with an air outlet, and one side of the machine shell, which is positioned towards the air outlet, is provided with a silencing component.
Further, the silencing assembly comprises a silencing plate, and the silencing plate is elastically connected with the inner wall of the shell.
Further, the muffler assembly further comprises a corrugated plate fixedly connected with the muffler plate.
Further, a plurality of grooves are formed in the silencing plate, elastic reeds are connected in the grooves, and the other ends of the elastic reeds are fixedly connected with the inner wall of the shell.
Further, the corrugated plate is composed of a connecting part and a corrugated part, wherein the connecting part is used for being connected with the silencing plate, and the corrugated part is of a structure formed by arranging a plurality of pointed bulges.
Further, the end part of the guide pipe is connected with a shunt pipe in a conducting way, a plurality of air outlets are arranged on the shunt pipe, and the air outlets are correspondingly connected with the openings in a conducting way.
Further, a filtering component for filtering impurities in the air is arranged between the opening and the air outlet.
Further, the shell of slow flow cover is the arc structure, just slow flow cover keeps away from the venthole narrows gradually, a plurality of slow flow cover is kept away from the one end formation of venthole is used for carrying out the structure of reposition of redundant personnel to the air current.
Further, the motor is further included, and the driving end of the motor penetrates into the shell to be connected with an impeller in a driving mode.
Further, the bottom of casing is provided with the bottom plate, the four corners of bottom plate all is provided with first bradyseism spring, two liang of parallel pad platform that is connected with of first bradyseism spring, the top of casing corresponds pad the position of platform is provided with extends the platform, extend bench corresponds first bradyseism spring's position is provided with the second bradyseism spring, extend the platform and be located one side of second bradyseism spring is provided with the bracing piece that is used for balancing the air-blower system gravity.
The beneficial effects of the invention are as follows:
1. by arranging the slow flow cover, the air flow in the shell can be cut and split, and the high-pressure air flow in the shell can be prevented from directly impacting the inner wall of the shell by being matched with external jet flow introduced by the exhaust fan, so that noise is reduced;
2. through the amortization subassembly that sets up, can further reduce the produced wind noise of air current flow, the produced vibrations of amortization subassembly can effectively shake off the impurity that is attached to above that when the air current flows through simultaneously, guarantees the amortization effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic side view of a blower in the present embodiment;
fig. 2 is a schematic view of the structure of the outlet side of the blower in the present embodiment;
FIG. 3 is a schematic cross-sectional view showing the internal structure of the blower in the present embodiment;
fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Reference numerals:
1. a housing; 2. a slow flow cover; 3. an exhaust fan; 4. a conduit; 5. an air outlet hole; 6. a sound attenuation assembly; 7. a muffler plate; 8. corrugated plates; 9. an elastic reed; 10. a shunt tube; 11. a filter assembly; 12. a motor; 13. an impeller; 14. a bottom plate; 15. a first shock-absorbing spring; 16. a pad table; 17. an extension table; 18. a second shock-absorbing spring; 19. a support rod; 20. compressing the rod.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the invention. It should be further noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 and 2, a low noise blower system includes a casing 1, the casing 1 is composed of a blower section and a wind guiding section, a motor 12 is disposed on the outer side of the casing 1, a driving end of the motor 12 is located on the inner side of the casing 1 and is connected with an impeller 13, a pressure difference is generated in the casing 1 through rotation of the impeller 13, so that the gas doped with impurities outside is pumped into the casing 1, and finally discharged through the wind guiding section of the casing 1, when the air current impacts the connection position of the wind guiding section and the blower section, noise is generated due to change of angles, a plurality of slow flow covers 2 are disposed on the inner wall of the casing 1 side by side, in this embodiment, four slow flow covers 2 are in an arc structure, the slow flow covers 2 are located on the impact side of the air current, and two air outlet holes 5 are disposed in each slow flow cover 2. The slow flow cover 2 is gradually widened from the other end of the air outlet hole 5 to one end of the air outlet hole 5, so that the air flow in the machine shell 1 can be prevented from directly impacting the inner wall of the air guide section. For further avoiding the production of detouring and avoiding the air current to strike the inner wall, the inner chamber of a plurality of slow flow covers 2 is through a plurality of trompils that run through casing 1 set up and outside conduction connection, be provided with air exhauster 3 on the outer wall of casing 1, air outlet end of air exhauster 3 is provided with pipe 4, pipe 4 and trompil conduction connection, the tip conduction of pipe 4 is connected with shunt tubes 10, be provided with a plurality of gas outlets on the shunt tubes 10, a plurality of gas outlets correspond conduction connection with a plurality of trompils, be provided with the filter component 11 that is arranged in the filtration impurity in the air between trompil and the venthole 5, can improve the stability that the air current flows after the filter component 11 filters the impurity in the air current. The external air can be accelerated to be sprayed out from the opening in a jet flow mode through the exhaust fan 3, the jet flow can drive the air flow flowing through the end part of the slow flow cover 2 to flow towards the outlet end of the air guide section, contact and friction with the inner wall can not occur, and noise can be effectively reduced.
Referring to fig. 2, 3 and 4, because the high-speed air flow and jet flow in the casing 1 are fused, howling with a high frequency occurs, and howling cannot be eliminated by changing the form of the air flow, the casing 1 is provided with a silencing component 6 on the side facing the air outlet 5, and the silencing component 6 includes a silencing plate 7, and in this non-limiting embodiment, the silencing plate 7 is a porous silencing plate 7, or may be in other forms, and may be made of a sound absorbing material such as sponge. The silencer 7 is elastically connected with the inner wall of the casing 1, specifically, a plurality of grooves are formed in the upper surface of the silencer 7, elastic reed 9 is embedded in the grooves, and the other end of the elastic reed 9 is fixedly connected with the inner wall of the casing 1. The elastic reed 9 is in a Z-shaped structure, when pressure is applied to the surface of the sound-deadening plate 7, the sound-deadening plate 7 can deform and rebound, and no perceptible noise is generated when the sound-deadening plate 7 acts because the sound-deadening plate 7 is not in direct contact with the inner wall of the casing 1. The muffler assembly 6 further comprises a corrugated plate 8, and the corrugated plate 8 is fixedly connected with the muffler plate 7. The corrugated plate 8 is composed of a connecting portion for connecting with the muffler plate 7 and a corrugated portion having a structure in which a plurality of pointed projections are arranged. The absorption of noise can be realized when the air current flows through the silencer 7, when the air current flows through the corrugated plate 8, the corrugated plate 8 can shake due to the existence of the corrugated part, and then the silencer 7 is driven to shake. Because the problem of application scene can carry a large amount of impurity in the air current, and the acoustical panel 7 is porous structure, can remain the impurity in the hole, can influence the noise elimination effect of acoustical panel 7, consequently, the shake of acoustical panel 7 can shake the downthehole impurity off, guarantees the noise elimination effect of acoustical panel 7.
Referring to fig. 2, noise of the blower system is noise generated by vibration of the blower as a whole due to mechanical movement in addition to airflow impact, and since vibration is nondirectional, a multi-angle damping arrangement is required for the blower system. Specifically, the bottom of casing 1 is provided with bottom plate 14, the four corners of bottom plate 14 all is provided with first bradyseism spring 15 towards the mounted position, two are connected with parallel pad platform 16 in pairs to first bradyseism spring 15, two are connected through the torsion bar between two pad platforms 16, through two parallel pad platforms 16, can absorb vibrations through compressing first bradyseism spring 15 to offset the vibrations of air-blower both sides, simultaneously, anti torsion bar can be with the vibrations transmission of other both sides to pad bench 16 on, can not take place the long-pending pressure of air-blower torsion, with this realization offsets the vibrations of four directions, avoided the generation of noise. The top of casing 1 corresponds the position of pad platform 16 and is provided with extension platform 17, and the position that corresponds first bradyseism spring 15 on the extension platform 17 is provided with second bradyseism spring 18, and second bradyseism spring 18 sets up towards one side on the floor, and the other end of second bradyseism spring is connected with compression pole 20, and compression pole 20's the other end is connected with the floor, can pass through compression pole and transmit the floor with vibrations, and then transmit to first bradyseism spring 15. The extension table 17 is provided with a support bar 19 for balancing the gravity of the blower system on one side of the second cushioning spring 18. One end of the supporting rod 19 is connected with the table top through a foot pad support. The bracing piece 19 is used for balancing the whole gravity of air-blower, when first bradyseism spring 15 is compressed state, and the second bradyseism spring 18 that corresponds is open state, and its self tension can be with first bradyseism spring 15 in compressed state restoration, keeps the holistic stability of air-blower to absorb the vibrations of high frequency through the compression and opening of first bradyseism spring 15 and second bradyseism spring 18, can effectively avoid the accumulation of vibrations, can keep the steady operation of air-blower system, reduce the noise that the air-blower produced.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the invention. Other variations or modifications of the above-described invention will be apparent to those of skill in the art, and are still within the scope of the invention.
Claims (10)
1. The low-noise blower system is characterized by comprising a machine shell, wherein a plurality of slow flow covers are arranged on the inner wall of the machine shell, and the inner cavities of the slow flow covers are connected with the outside in a conducting manner through a plurality of holes penetrating through the machine shell;
an exhaust fan is arranged on the outer wall of the shell, a guide pipe is arranged at the air outlet end of the exhaust fan, and the guide pipe is connected with the opening in a conducting way;
the end of the slow flow cover is provided with an air outlet, and one side of the machine shell, which is positioned towards the air outlet, is provided with a silencing component.
2. The blower system of claim 1, wherein the sound attenuating assembly includes a sound attenuating panel resiliently coupled to an inner wall of the housing.
3. The blower system of claim 2, wherein the muffler assembly further comprises a corrugated plate fixedly connected to the muffler plate.
4. The blower system according to claim 2, wherein the muffler plate is provided with a plurality of grooves, and an elastic reed is connected to the grooves, and the other end of the elastic reed is fixedly connected to the inner wall of the housing.
5. The blower system according to claim 4, wherein the corrugated plate is composed of a connecting portion for connecting with the muffler plate and a corrugated portion which is a structure composed of a plurality of pointed projections arranged in an array.
6. The blower system according to claim 1, wherein a branching pipe is connected to an end portion of the duct in a conductive manner, and a plurality of air outlets are provided in the branching pipe, and a plurality of the air outlets are connected to the plurality of openings in a corresponding conductive manner.
7. The blower system of claim 1, wherein a filter assembly for filtering impurities in the air is disposed between the aperture and the air outlet.
8. The blower system of claim 1, wherein the housing of the flow-retarding cover is of arcuate configuration and the flow-retarding cover tapers away from the outlet aperture, and a plurality of flow-retarding covers form a configuration for diverting the flow of air at an end thereof away from the outlet aperture.
9. The blower system of claim 1, further comprising a motor having a drive end penetrating into the housing to drivingly connect an impeller.
10. The blower system according to claim 1, wherein a bottom plate is provided at a bottom of the casing, first cushioning springs are provided at four corners of the bottom plate, two-by-two parallel cushion tables are connected to the first cushioning springs, an extension table is provided at a position of a top end of the casing corresponding to the cushion table, a second cushioning spring is provided at a position of the extension table corresponding to the first cushioning springs, and a support bar for balancing gravity of the blower system is provided at one side of the extension table located at the second cushioning springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213753.6A CN117052722A (en) | 2023-09-20 | 2023-09-20 | Low-noise blower system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311213753.6A CN117052722A (en) | 2023-09-20 | 2023-09-20 | Low-noise blower system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117052722A true CN117052722A (en) | 2023-11-14 |
Family
ID=88653773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311213753.6A Withdrawn CN117052722A (en) | 2023-09-20 | 2023-09-20 | Low-noise blower system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117052722A (en) |
-
2023
- 2023-09-20 CN CN202311213753.6A patent/CN117052722A/en not_active Withdrawn
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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: 20231114 |