CN109441783A - A kind of filter device of compressor - Google Patents
A kind of filter device of compressor Download PDFInfo
- Publication number
- CN109441783A CN109441783A CN201811599999.0A CN201811599999A CN109441783A CN 109441783 A CN109441783 A CN 109441783A CN 201811599999 A CN201811599999 A CN 201811599999A CN 109441783 A CN109441783 A CN 109441783A
- Authority
- CN
- China
- Prior art keywords
- filter
- level
- gas outlet
- grade
- compressor according
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
Abstract
The present invention relates to a kind of filter devices of compressor, including first level filtering device and two-stage filter, the first level filtering device includes level-one air inlet and level-one gas outlet, two-stage filter includes secondary inlet mouth and second level gas outlet, the secondary inlet mouth is docked with level-one gas outlet, two-stage filter includes secondary filter shell and covers the secondary filter lid in secondary filter shell one end, the secondary inlet mouth is set to secondary filter and covers, second level gas outlet is set to the secondary filter shell other end, filter core is equipped in the secondary filter shell, second level gas outlet front end is equipped with an at least transverse slat, the transverse slat is arranged along second level gas outlet diametrical direction, filtering device of compressor excellent noise reduction effect of the invention.
Description
Technical field
The present invention relates to a kind of filtering device of compressor, belong to gas filtration technical field.
Background technique
The medical instruments such as ventilator and Anesthesia machine are required to use air compressor, and compressor inlet will use filtering dress
Set, since compressor inlet air velocity is fast, so at air inlet wind make an uproar it is larger, and in medical field to wind make an uproar requirement compared with
Height, current filtering device of compressor noise reduction effect can not reach requirement.
Summary of the invention
In order to solve the problems in the existing technology the present invention, provides a kind of apparent compressor noise-reduction mistake of noise reduction effect
Filter device.
In order to achieve the above object, technical solution proposed by the present invention are as follows: a kind of filter device of compressor, including level-one
Filter device and two-stage filter, the first level filtering device include level-one air inlet and level-one gas outlet, secondary filtration dress
It sets including secondary inlet mouth and second level gas outlet, the secondary inlet mouth is docked with level-one gas outlet, and two-stage filter includes
Secondary filter shell and the secondary filter lid in secondary filter shell one end is covered, the secondary inlet mouth is set to second level
On strainer cover, second level gas outlet is set to the secondary filter shell other end, is equipped with filter core in the secondary filter shell,
Second level gas outlet front end is equipped with an at least transverse slat, and the transverse slat is arranged along second level gas outlet diametrical direction.
Be further designed to above-mentioned technical proposal: the secondary inlet mouth is arranged in a staggered manner with second level gas outlet.
The filter core includes level-one filter core and second level filter core.
The first level filtering device includes grade one filter seat and grade one filter lid, grade one filter seat front end with
Grade one filter cover back-end connects, grade one filter seat internal formation cavity after connecting with grade one filter lid, in the cavity
Filled with sponge, grade one filter base rear end is equipped with level-one air inlet, and the grade one filter lid includes cylindrical company
Socket part and level-one gas outlet, the interconnecting piece diameter are greater than level-one gas outlet diameter, pass through between interconnecting piece and level-one gas outlet
Buffer part transition connection, buffer part diameter are gradually reduced from close to interconnecting piece one end to the other end, are equipped on the inside of the buffer part
Several flow distribution plates, the flow distribution plate are arranged radially along buffer part.
The grade one filter seat is in the tubular of front opening, and rear end is arc surface, is offered on the arc surface several
Level-one air inlet.
The level-one air inlet is the sector of smoothed curve in edge.
Several level-one air inlets are uniformly arranged along same circular arc.
The arc surface of the grade one filter seat is equipped with annular groove in inner peripheries.
Several flow distribution plates are in the same plane in the end face close to interconnecting piece side.
The invention has the benefit that
Second level gas outlet front end is equipped with the transverse slat being arranged along second level gas outlet diametrical direction in the present invention, can will enter second level outlet
Mouthful air-flow be divided into two-way, two-way air-flow offsets each other a part, flow velocity can be reduced, to reduce noise.
Secondary inlet mouth is directly docked with level-one gas outlet in the present invention, guarantees the direct transition of air-flow, big osculum is avoided to draw
Gas is played to make an uproar.
Secondary filter enclosure interior is equipped with two-stage filter core, carries out to the high flow rate gas that first level filtering device comes secondary
Noise reduction filtering, after tested, the small 3~4dB of the gas noise ratio first order after secondary filtration.
Second level is provided with filtration core at gas outlet, if the main line gas through second level filtering is pooled to gas outlet, gas simultaneously
Body is in the intracavitary evenly dispersed formation flow disturbing of progress of type of filter device, and air-flow is more steady, and noise gradually declines.
Detailed description of the invention
Fig. 1 is first level filtering device structural schematic diagram in the embodiment of the present invention.
Fig. 2 is grade one filter holder structure schematic diagram in Fig. 1.
Fig. 3 is the cross-sectional view of Fig. 2.
Fig. 4 is grade one filter lid structural schematic diagram in Fig. 1.
Fig. 5 is the cross-sectional view of Fig. 4.
Fig. 6 is two-stage filter structural schematic diagram in the embodiment of the present invention.
Fig. 7 is secondary filter schematic diagram of housing structure in Fig. 6.
In figure: 1- grade one filter seat, 11- level-one air inlet, 12- arc surface, 13- annular groove, 2- sponge, 3- level-one
Strainer cover, 31- interconnecting piece, 32- buffer part, 33- level-one gas outlet, 34- flow distribution plate, 4- secondary filter lid, 41- bis- are grading
Port, 5- level-one filter core, 6- second level filter core, 7- secondary filter shell, 71- second level gas outlet, 72- transverse slat.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in detail.
Embodiment
The filter device of the compressor of the present embodiment, first level filtering device and two-stage filter including interconnection.
As shown in Figure 1, first level filtering device included level-one filter seat 1 and grade one filter lid 3, grade one filter seat 1
Front end is connect with 3 rear end of grade one filter lid, internal after grade one filter seat 1 and the connection of grade one filter lid 3 to form cavity, sky
It is intracavitary to be filled with sponge 2, that is, it can guarantee that gas flow is unaffected, and can be reduced the flow noise of gas.
In conjunction with shown in Fig. 2 and Fig. 3, grade one filter seat 1 is in the tubular of front opening, and rear end is arc surface 12, arc surface
Several level-one air inlets 11 are offered on 12, the level-one air inlet 11 is the sector of smoothed curve in edge, and gas is by level-one
Air inlet, which enters filter, will not generate sharp noise, inside gentle inflow grade one filter seat.One is grading in the present embodiment
There are four port 11 is set, and it is uniformly arranged along same circular arc.
The arc surface 12 of grade one filter seat 1 is equipped with annular groove 13 in inner peripheries in the present embodiment, and annular groove can
Sponge is positioned, when air-flow passes through, sponge 2 will not swing and cause flow perturbation.
In conjunction with shown in Fig. 4 and Fig. 5, grade one filter lid 3 includes cylindrical interconnecting piece 31 and level-one gas outlet 33,
31 diameter of interconnecting piece is greater than 33 diameter of level-one gas outlet, is connected between interconnecting piece 31 and level-one gas outlet 33 by buffer part 32,
2 diameter of buffer part from close to 31 one end of interconnecting piece to being gradually reduced close to 33 one end of level-one gas outlet, air-flow have interconnecting piece 32 into
Enter the diameter gentle transition in the process of level-one gas outlet 33, ensure that the stability of air-flow, eight points are equipped on the inside of buffer part 32
Flowing plate 34, flow distribution plate 34 are arranged radially along buffer part, and are circumferentially uniformly arranged along buffer part, and flow distribution plate can divide air-flow
Stream, makes air-flow uniformly flow into level-one gas outlet 33, and guarantees that air-flow will not cause the whistle by heavy caliber moment to small-bore mutation
Sound effectively reduces pneumatic noise.
Eight flow distribution plates 34 are in the same plane in the end face close to 31 side of interconnecting piece in the present embodiment, eight shuntings
The end face of plate 34 can resist sponge end, and keep sponge regular close to level-one gas outlet one end end shape, and air-flow can be uniform
Smoothly outflow sponge, and enter level-one gas outlet 33, noise can be reduced.
As shown in Figure 6 and Figure 7, second level filters device in the present embodiment, including secondary filter shell 7 and covers in secondary filtration
The secondary filter lid 4 of 7 one end of device shell, the secondary inlet mouth 41 are set on secondary filter lid 4, second level gas outlet 71
It is set to 7 other end of secondary filter shell, is equipped with level-one filter core 5 and second level filter core 6, institute in the secondary filter shell 7
71 front end of second level gas outlet is stated equipped with a transverse slat 72, the transverse slat 72 is arranged along 71 diametrical direction of second level gas outlet, can will enter
The air-flow of second level gas outlet 71 is divided into two-way, and two-way air-flow offsets each other a part, flow velocity can be reduced, to reduce noise.
Secondary inlet mouth 41 is arranged in a staggered manner with second level gas outlet 71 in the present embodiment, can reduce and flow through two-stage filter
Gas flow rate reduces noise.The secondary inlet mouth 41 is docked with level-one gas outlet 33, guarantees the gas between dual stage filter apparatus
Flow smooth transition.
Technical solution of the present invention is not limited to the various embodiments described above, all technical solutions obtained using equivalent replacement mode
It all falls in the scope of protection of present invention.
Claims (9)
1. a kind of filter device of compressor, it is characterised in that: including first level filtering device and two-stage filter, the level-one
Filter device includes level-one air inlet and level-one gas outlet, and two-stage filter includes secondary inlet mouth and second level gas outlet, institute
It states secondary inlet mouth to dock with level-one gas outlet, two-stage filter includes secondary filter shell and covers in secondary filter shell
The secondary filter lid of body one end, the secondary inlet mouth are set to secondary filter and cover, and second level gas outlet is set to second level
The filter housings other end, the secondary filter shell is interior to be equipped with filter core, and it is horizontal that second level gas outlet front end is equipped at least one
Plate, the transverse slat are arranged along second level gas outlet diametrical direction.
2. the filter device of compressor according to claim 1, it is characterised in that: the secondary inlet mouth and second level gas outlet
It is arranged in a staggered manner.
3. the filter device of compressor according to claim 2, it is characterised in that: the filter core includes level-one filter core and second level
Filter core.
4. the filter device of compressor according to claim 1, it is characterised in that: the first level filtering device includes level-one mistake
Filter seat and grade one filter lid, grade one filter seat front end are connect with grade one filter cover back-end, grade one filter seat
It is internal after being connected with grade one filter lid to form cavity, sponge is filled in the cavity, grade one filter base rear end is equipped with one
Grade air inlet, the grade one filter lid includes cylindrical interconnecting piece and level-one gas outlet, and the interconnecting piece diameter is big
It in level-one gas outlet diameter, is connected between interconnecting piece and level-one gas outlet by buffer part, buffer part diameter is from close to interconnecting piece
One end is gradually reduced to the other end, and several flow distribution plates are equipped on the inside of the buffer part, and the flow distribution plate is arranged radially along buffer part.
5. the filter device of compressor according to claim 4, it is characterised in that: the grade one filter seat is in front opening
Tubular, rear end is arc surface, and several level-one air inlets are offered on the arc surface.
6. the filter device of compressor according to claim 5, it is characterised in that: the level-one air inlet is smooth in edge
The sector of curve.
7. the filter device of compressor according to claim 6, it is characterised in that: several level-one air inlets are equal along same circular arc
Even setting.
8. the filter device of compressor according to claim 7, it is characterised in that: the arc surface of the grade one filter seat exists
Inner peripheries are equipped with annular groove.
9. the filter device of compressor according to claim 8, it is characterised in that: several flow distribution plates are close to interconnecting piece side
End face be in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599999.0A CN109441783A (en) | 2018-12-26 | 2018-12-26 | A kind of filter device of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599999.0A CN109441783A (en) | 2018-12-26 | 2018-12-26 | A kind of filter device of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441783A true CN109441783A (en) | 2019-03-08 |
Family
ID=65538026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599999.0A Pending CN109441783A (en) | 2018-12-26 | 2018-12-26 | A kind of filter device of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441784A (en) * | 2018-12-26 | 2019-03-08 | 南京舒普思达医疗设备有限公司 | A kind of compressor noise-reduction filter device |
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| CN207751158U (en) * | 2017-12-29 | 2018-08-21 | 福建省永泰县金泰纺织有限公司 | A kind of exhaust outlet denoising structure |
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| TWM323966U (en) * | 2007-06-26 | 2007-12-21 | Sung-Pei Liang | Tail air muffler for handheld tool |
| CN201077065Y (en) * | 2007-07-05 | 2008-06-25 | 梁颂佩 | Hand-held appliance exhaust gas silencing device |
| CN102144907A (en) * | 2010-02-05 | 2011-08-10 | 乐金电子(天津)电器有限公司 | High-efficiency air filter |
| US20130121501A1 (en) * | 2011-11-14 | 2013-05-16 | Kia Motors Corporation | Active noise control apparatus for intake system of vehicle |
| CN204360776U (en) * | 2014-12-30 | 2015-05-27 | 珠海智领医疗科技有限公司 | Medical molecular-sieve oxygen generator current-sharing noise elimination denitrogen device |
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| CN107354841A (en) * | 2017-09-01 | 2017-11-17 | 沈阳建筑大学 | A kind of road drainage filter structure system |
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