CN209637965U - A kind of three-level filter device of compressor - Google Patents
A kind of three-level filter device of compressor Download PDFInfo
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- CN209637965U CN209637965U CN201822200477.0U CN201822200477U CN209637965U CN 209637965 U CN209637965 U CN 209637965U CN 201822200477 U CN201822200477 U CN 201822200477U CN 209637965 U CN209637965 U CN 209637965U
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Abstract
The utility model relates to a kind of filter devices of three-stage blower, including first level filtering device, two-stage filter and three-level filter device, 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, three-level filter device includes three-level air inlet and three-level gas outlet, the secondary inlet mouth is docked with level-one gas outlet, three-level air inlet is docked with second level gas outlet, the 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 set along second level gas outlet diametrical direction It sets, the filtering device of compressor of the utility model, which gradually can make an uproar to air-flow wind in gas flow paths, carries out inlet end processing, so that gas is pure, oil-free, dry, filtering, excellent noise reduction effect.
Description
Technical field
The utility model 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
It sets, it is desirable to provide sufficient, clean air is as gas source, since compressor inlet air velocity is fast, so wind at air inlet
It makes an uproar larger, and it is more demanding to make an uproar in medical field to wind, current filtering device of compressor noise reduction effect can not reach requirement,
The working environment in serious impact on medical place and the rest of patient and treatment, and carry out different degrees of shadow to the recovery band of patient
Loud or even secondary injury.Now it is badly in need of having output gas steadily without fluctuation, reasonable damping noise reduction, reduces make an uproar to greatest extent
Sound pollutes low noise, pure, oil-free, dry air compressor.
Utility model content
In order to solve the problems in the existing technology the utility model, provides a kind of apparent compressor drop of noise reduction effect
It makes an uproar filter device.
In order to achieve the above object, the utility model proposes technical solution are as follows: a kind of three-level filter device of compressor,
Including first level filtering device, two-stage filter and three-level filter device, the first level filtering device include level-one air inlet and
Level-one gas outlet, two-stage filter include secondary inlet mouth and second level gas outlet, and three-level filter device includes three-level air inlet
With three-level gas outlet, the secondary inlet mouth is docked with level-one gas outlet, and three-level air inlet is docked with second level gas outlet, and described two
Grade filter device includes secondary filter shell and covers the secondary filter lid in secondary filter shell one end, and described two is grading
Port is set to secondary filter and covers, and second level gas outlet is set to the secondary filter shell other end, the secondary filter
Filter core is equipped in shell, second level gas outlet front end is equipped with an at least transverse slat, and the transverse slat is along second level gas outlet diametrical direction
Setting.
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 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 plate, 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, and several level-one air inlets are uniformly set along same circular arc
It sets.
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 three-level filter device includes tubular tertiary filter shell and air duct, the tertiary filter shell
It is set in outside air duct, and is equipped with annular gap between inner wall and air duct outer wall, described air duct one end passes through tertiary filter shell
One end end forms three-level air inlet, and the other end is close to tertiary filter shell other end end, between the air duct other end and annular
Gap connection, the three-level gas outlet is set to tertiary filter shell on the side wall of three-level air inlet side.
The first filtering sponge, the three-level are equipped between the air duct other end and tertiary filter shell other end end
The second filtering sponge is equipped with inside filter housing at three-level gas outlet, the second filtering sponge is set in air duct outer wall
On.
The utility model has the following beneficial effects:
Second level gas outlet front end is equipped with the transverse slat being arranged along second level gas outlet diametrical direction in the utility model, can will enter
The air-flow of second level gas outlet 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 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.
Three-level air inlet can directly be wrapped by second level gas outlet in the utility model, and gas steadily flows into three-stage filtration dress
It sets, through one section of longer straight tube air duct, straight tube air duct is arranged certain length, end face contact the second filtering sponge, and makes the
Two filtering sponges can be allowed air-flow to enter roundtrip of the sound of the first filtering sponge in sponge by a degree of compression
Sound-absorbing is reduced, gas is broken up, into the gas path pipe of annular gap, is dispersed into three-level using the second filtering sponge
It is exported behind gas outlet.From air inlet to gas outlet, a flow disturbing noise reduction cavity is formed, so that output gas is more stable, while also being subtracted
Noise caused by high-speed gas is lacked.
Detailed description of the invention
Fig. 1 is first level filtering device structural schematic diagram in the utility model embodiment.
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.
Fig. 8 is three-level filter device cross-sectional view in the embodiment of the present invention.
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, 8- three-stage filtration
Device shell, 81- three-level air inlet, 82- three-level gas outlet, 83- end cap, 9- straight tube air duct, 91- first filter sponge, 92- second
Filter sponge.
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, two-stage filter including interconnection and
Three-level filter device.
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.
As shown in figure 3, three-level filter device includes tubular tertiary filter shell 8 and straight tube air duct 9, three-level mistake
Filter shell 8 is set in 9 periphery of straight tube air duct, and there are annular gap, tertiary filters between 9 outer wall of inner wall and straight tube air duct
Shell 8 is closed at one end, and 9 one end of straight tube air duct passes through one end end of tertiary filter shell seal, forms three-level air inlet 81,
9 other end of straight tube air duct is connected to close to 8 other end end of tertiary filter shell with annular gap, and three-level gas outlet 82 is set
Tertiary filter shell 8 is placed on the side wall of three-level air inlet side.
The first filtering sponge 91, three-level are equipped between 8 other end end of 9 other end of straight tube air duct and tertiary filter shell
The second filtering sponge 92 is equipped with inside filter housing 8 at three-level gas outlet, the second filtering sponge 92 is set in straight tube air duct 9
On outer wall.
End cap 83 is arranged in 8 other end of tertiary filter shell in the present embodiment, and end cap is detachably mounted to three-stage filtration
On device shell 8, the installation and replacement of filtering sponge can be facilitated by opening end cap.
Tertiary filter shell 8 and straight tube air duct 9 are all made of plastic material and are made in the present embodiment, can be well by air-flow
Sound be enclosed in pipeline, formed filtering silencing cavity.
The technical solution of the utility model is not limited to the various embodiments described above, all technologies obtained using equivalent replacement mode
Scheme is all fallen in the scope of protection of present invention.
Claims (10)
1. a kind of three-level filter device of compressor, it is characterised in that: including first level filtering device, two-stage filter and three-level
Filter device, the first level filtering device include level-one air inlet and level-one gas outlet, and two-stage filter includes secondary inlet
Mouth and second level gas outlet, three-level filter device includes three-level air inlet and three-level gas outlet, and the secondary inlet mouth goes out with level-one
Port docking, three-level air inlet are docked with second level gas outlet, and the two-stage filter includes secondary filter shell and covers
The secondary filter lid of secondary filter shell one end, the secondary inlet mouth are set to secondary filter and cover, second level outlet
Mouth is set to the secondary filter shell other end, is equipped with filter core, second level gas outlet front end in the secondary filter shell
Equipped with an at least transverse slat, the transverse slat is arranged along second level gas outlet diametrical direction.
2. the three-level filter device of compressor according to claim 1, it is characterised in that: the secondary inlet mouth goes out with second level
Port is arranged in a staggered manner.
3. the three-level filter device of compressor according to claim 2, it is characterised in that: the filter core include level-one filter core and
Second level filter core.
4. the three-level filter device of compressor according to claim 1, it is characterised in that: the first level filtering device includes one
Grade filter seat and grade one filter lid, grade one filter seat front end are connect with grade one filter cover back-end, by-pass filtration
Device seat is internal after connecting with grade one filter lid to form cavity, is filled with sponge in the cavity, grade one filter base rear end is set
There is level-one air inlet, the grade one filter lid includes cylindrical interconnecting piece and level-one gas outlet, and the interconnecting piece is straight
Diameter is greater than level-one gas outlet diameter, is connected between interconnecting piece and level-one gas outlet by buffer part, and buffer part diameter is from close to even
Socket part one end is gradually reduced to the other end, several flow distribution plates is equipped on the inside of the buffer part, the flow distribution plate is along buffer part radial direction
Setting.
5. the three-level filter device of compressor according to claim 4, it is characterised in that: the grade one filter seat is in front end
The tubular of opening, rear end are arc surface, and several level-one air inlets are offered on the arc surface.
6. the three-level filter device of compressor according to claim 5, it is characterised in that: the level-one air inlet is in edge
The sector of smoothed curve, and several level-one air inlets are uniformly arranged along same circular arc.
7. the three-level filter device of compressor according to claim 6, it is characterised in that: the circular arc of the grade one filter seat
Face is equipped with annular groove in inner peripheries.
8. the three-level filter device of compressor according to claim 7, it is characterised in that: several flow distribution plates are close to interconnecting piece
The end face of side is in the same plane.
9. the three-level filter device of compressor according to claim 8, it is characterised in that: the three-level filter device includes equal
Tubular tertiary filter shell and air duct, the tertiary filter shell are set in outside air duct, and inner wall and air duct outer wall
Between be equipped with annular gap, described air duct one end pass through tertiary filter shell one end end, formed three-level air inlet, the other end
Close to tertiary filter shell other end end, the air duct other end is connected to annular gap, and the three-level gas outlet is set to three
Grade filter housing is on the side wall of three-level air inlet side.
10. the three-level filter device of compressor according to claim 9, it is characterised in that: the air duct other end and three-level
The first filtering sponge is equipped between filter housing other end end, the tertiary filter interior of shell is at three-level gas outlet
Equipped with the second filtering sponge, the second filtering sponge is set on the outer wall of air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822200477.0U CN209637965U (en) | 2018-12-26 | 2018-12-26 | A kind of three-level filter device of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822200477.0U CN209637965U (en) | 2018-12-26 | 2018-12-26 | A kind of three-level filter device of compressor |
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| Publication Number | Publication Date |
|---|---|
| CN209637965U true CN209637965U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822200477.0U Active CN209637965U (en) | 2018-12-26 | 2018-12-26 | A kind of three-level filter device of compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441782A (en) * | 2018-12-26 | 2019-03-08 | 南京舒普思达医疗设备有限公司 | A kind of three-level filter device of compressor |
| 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 |
-
2018
- 2018-12-26 CN CN201822200477.0U patent/CN209637965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441782A (en) * | 2018-12-26 | 2019-03-08 | 南京舒普思达医疗设备有限公司 | A kind of three-level filter device of compressor |
| 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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