CN206516348U - A kind of oxygen machine twin-stage noise eliminating device - Google Patents
A kind of oxygen machine twin-stage noise eliminating device Download PDFInfo
- Publication number
- CN206516348U CN206516348U CN201720199206.0U CN201720199206U CN206516348U CN 206516348 U CN206516348 U CN 206516348U CN 201720199206 U CN201720199206 U CN 201720199206U CN 206516348 U CN206516348 U CN 206516348U
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- CN
- China
- Prior art keywords
- core pipe
- secondary muffler
- sound arrester
- muffler
- oxygen machine
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- 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.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000001301 oxygen Substances 0.000 title claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 46
- 229920000742 Cotton Polymers 0.000 claims abstract description 16
- 230000030279 gene silencing Effects 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001706 oxygenating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model belongs to medical instruments field, specifically a kind of oxygen machine twin-stage noise eliminating device, including the first class sound arrester and secondary muffler, the first class sound arrester includes the first class sound arrester housing and the first class sound arrester core pipe being arranged in the first class sound arrester housing, secondary muffler includes secondary muffler housing, the secondary muffler core pipe being arranged in secondary muffler housing and the silencing cotton being filled between secondary muffler housing and secondary muffler core pipe, the inlet end of the first class sound arrester core pipe is connected with the exhaust outlet of oxygen machine pneumatic operated valve, outlet side is connected with one end of secondary muffler core pipe, the other end of secondary muffler core pipe is blind end；Multiple through hole A and through hole B are evenly equipped with the first class sound arrester core pipe and secondary muffler core pipe respectively in axial direction.The utility model is connected with the pneumatic valve outlet of oxygen machine, can effective noise-decreasing, have the advantages that consistency of performance is high after high, easy to assembly noise reduction efficacy, small volume, manufacture.
Description
Technical field
The utility model belongs to medical instruments field, specifically a kind of oxygen machine twin-stage noise eliminating device.
Background technology
Medical oxygen machine is the novel device for extracting oxygen from air based on pressure-variable adsorption (PSA) technology, can be led to
Cross and be supplied to patient's oxygen supply, can the disease such as partner treatment cardiovascular and cerebrovascular, respiratory system, and oxygen supply can be passed through improve body oxygen supply shape
Condition, reaches the purpose of oxygenating health care.
Medical oxygen machine user is patient or needs to improve the people of health, to bring up excellent treatment to user
Environment, oxygen machine noise effect is particularly important.Oxygen machine exhaust noise is the largest source of oxygen machine noise, while oxygen machine is arranged
Gas velocity degree influences oxygen machine performance again.Therefore, in the case where not influenceing oxygen performance, the noise of oxygen machine is reduced
Just into the key technology solved the need for oxygen machine.
Utility model content
, again being capable of most effective reduction oxygen machine noise, mesh of the present utility model in order to neither influence oxygen machine performance
Be a kind of oxygen machine twin-stage noise eliminating device is provided.
The purpose of this utility model is achieved through the following technical solutions：
The utility model includes the first class sound arrester and secondary muffler, and wherein the first class sound arrester includes the first class sound arrester housing
And be arranged at the first class sound arrester core pipe in the first class sound arrester housing, the secondary muffler include secondary muffler housing,
The secondary muffler core pipe that is arranged in the secondary muffler housing and it is filled in secondary muffler housing and secondary muffler core
Silencing cotton between pipe, the inlet end of the first class sound arrester core pipe is connected with the exhaust outlet of oxygen machine pneumatic operated valve, outlet side
It is connected with one end of the secondary muffler core pipe, the other end of the secondary muffler core pipe is blind end；The one-level disappears
Multiple through hole A and through hole B, the oxygen machine pneumatic operated valve row are evenly equipped with sound device core pipe and secondary muffler core pipe respectively in axial direction
The gas gone out is entered in the first class sound arrester housing when flowing through the first class sound arrester core pipe by each through hole A to be occurred reflection, does
Relate to, reduce noise, into the secondary muffler core pipe gas be discharged into by each through hole B in secondary muffler housing,
Acoustic wave energy, the exhaust outlet opened up by the gas of twin-stage noise eliminating by the secondary muffler bottom are consumed by the silencing cotton
Discharge.
Wherein：The first class sound arrester core pipe is cylindrical siphunculus, and its axial direction and each through hole A axial direction are perpendicular；
The secondary muffler core pipe is cylindrical tube sealing, and its axial direction and each through hole B axial direction are perpendicular；The secondary muffler
The bottom of core pipe is integrated or split-type structural with top, and the exhaust outlet is opened in the bottom of the secondary muffler core pipe；Institute
The axial cross section for stating secondary muffler core pipe is " mountain " shape, and centre is cylindrical tube sealing, and the outward flange of bottom is flexible
Buckle, the secondary muffler lower housing portion is provided with the annular opening corresponding with buckle, and this is buckled in the silencing cotton and loaded
It is caught in after in secondary muffler housing in annular opening；
The oxygen machine pneumatic operated valve, the first class sound arrester and secondary muffler are connected in series by pipeline, and pipeline by inserting soon
Joint or right angle quick connector carry out push-in connection；The inlet end of the first class sound arrester core pipe and outlet side are respectively connected with soon
Connection-peg, the quick connector of inlet end is connected by pipeline with the oxygen machine pneumatic operated valve, and the quick connector of outlet side passes through
Pipeline is connected with one end of right angle quick connector, the other end of the right angle quick connector and the one of the secondary muffler core pipe
End is connected.
Advantage of the present utility model is with good effect：
1. the utility model uses twin-stage noise eliminating, the first class sound arrester can be effectively reduced the energy of air-flow velocity and sound wave
Amount, more effective to high frequency noise noise reduction, secondary muffler can reduce acoustic wave energy by silencing cotton, realize the purpose of noise reduction,
More effective is eliminated to low frequency noise.
2. erasure effect of the present utility model reduces gas in two times than traditional single stage muffler good muffling effect, twin-stage noise eliminating
Rate of flow of fluid, extends the service life of muffler.
3. the utility model is connected using quick connector, convenient disassembly.
4. the utility model is simple in construction, be easily assembled, manufacture craft is uncomplicated, ensure that homogeneity of product.
5. the utility model can adjust oxygen machine performance parameter by changing silencing cotton and core pipe perforate size.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the fundamental diagram of the utility model the first class sound arrester；
Fig. 3 is the fundamental diagram of the utility model secondary muffler；
Wherein：1 is oxygen machine pneumatic operated valve, and 2 be quick connector, and 3 be the first class sound arrester core pipe, and 4 be the first class sound arrester housing,
5 be right angle quick connector, and 6 be secondary muffler core pipe, and 7 be silencing cotton, and 8 be secondary muffler housing, and 9 be through hole A, and 10 be logical
Hole B, 11 be exhaust outlet, and 12 be annular opening, and 13 be buckle.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model includes the first class sound arrester and secondary muffler, wherein the first class sound arrester includes one-level
Muffler shell 4 and the first class sound arrester core pipe 3, secondary muffler include secondary muffler housing 8, secondary muffler core pipe 6 and
Silencing cotton 7.
As shown in Figure 1 and Figure 2, the first class sound arrester core pipe 3 be arranged in the first class sound arrester housing 4, for cylindrical siphunculus (i.e.
The hollow tube of both ends open), the main airway that centre passes through for supply stream；It is evenly equipped with vertically in the first class sound arrester core pipe 3 many
The individual through hole A9 being connected with main airway, the axial direction of the first class sound arrester core pipe 3 and each through hole A9 axial direction are perpendicular.One-level noise reduction
Device core pipe 3 is with the first class sound arrester housing 4 by welding or bonding together as an entirety.
As shown in Figure 1, Figure 3, secondary muffler core pipe 6 be arranged in secondary muffler housing 8, for cylindrical tube sealing (i.e.
The hollow tube of one end Liang Kou one end closing), the main airway that centre passes through for supply stream；Silencing cotton 8 is filled in secondary muffler shell
Between body 8 and secondary muffler core pipe 6.It is evenly equipped with secondary muffler core pipe 6 and multiple is connected with main airway vertically
Through hole B10, the axial direction of secondary muffler core pipe 6 and each through hole B10 axial direction are perpendicular.The bottom of secondary muffler core pipe 6 with
Top is integrated or split-type structural, and the present embodiment is split-type structural, and upper and lower part is threaded togather.That is, the present embodiment
The axial cross section of secondary muffler core pipe 6 be " mountain " shape, centre is cylindrical tube sealing, cylindrical tube sealing bottom open end and two
The middle part threaded connection of the bottom of level muffler core pipe 6；The outward flange of the bottom of secondary muffler core pipe 6 is flexible card
Button 13, the bottom of secondary muffler housing 8 is provided with the annular opening 12 corresponding with buckle 13, and the buckle 13 loads in silencing cotton 7
It is caught in after in secondary muffler housing 8 in annular opening 12.Along the circumferential direction it is evenly equipped with the bottom of secondary muffler core pipe 6 many
Individual exhaust outlet 11, each exhaust outlet 11 is connected with the space between secondary muffler core pipe 6 and secondary muffler housing 8.
As shown in Figures 1 to 3, oxygen machine pneumatic operated valve 1, the first class sound arrester and secondary muffler are connected in series by pipeline, pipe
Road carries out push-in connection by quick connector 2 or right angle quick connector 5.The air inlet of the first class sound arrester core pipe 3 of the present embodiment
End and outlet side are respectively connected with quick connector 2, and the quick connector 2 of inlet end is connected with oxygen machine pneumatic operated valve 1 by pipeline, gone out
The quick connector 2 at gas end is connected by pipeline with one end of right angle quick connector 5, the other end of the right angle quick connector 5 with
One end of secondary muffler core pipe 6 is connected, and the other end of secondary muffler core pipe 6 is blind end.Exhaust outlet 11 is arranged at two
The side that level muffler core pipe 3 is connected with right angle quick connector 5.
Connecting line of the present utility model is managed using PU.Silencing cotton of the present utility model disappears for loose formula loose structure
Sound cotton.
Operation principle of the present utility model is：
For the characteristics of oxygen machine evacuation time is short, discharge capacity is big, the utility model is designed using twin-stage noise eliminating.One-level noise reduction
Device mainly uses reflection mode noise reduction, and secondary muffler mainly uses absorption pattern noise reduction, is vented produces for oxygen machine respectively
High frequency noise and low frequency noise carry out noise reduction.Specially：
As shown in Figures 1 to 3, oxygen machine pneumatic operated valve 1 discharges high nitrogen mixture gas, passes through the pipe being connected with quick connector 2
Road enters the first class sound arrester (the arrow B in Fig. 2 is airflow direction), and gas passes through one-level when flowing through the first class sound arrester core pipe 3
Each through hole A9 in muffler core pipe 3 is entered in the first class sound arrester housing 4, and constantly reflection is vented in the process and changes flowing
Direction (the arrow A in Fig. 2 reflects for pneumatic noise), reduces gas flow rate by the change of gas volume, gradually reduces and decline
Subtract its pressure, consume its energy；Sound wave also enters in the first class sound arrester housing 4 simultaneously, also can be because of refraction change direction interference
Decay, is cut down exhaust noise, realizes the purpose of reduction noise.The first class sound arrester is disappeared mainly for medium-high frequency noise
Sound, and can tentatively reduce exhaust flow rate.
Discharge gas enters secondary muffler (in Fig. 3 by the pipeline being connected with quick connector 2 and right angle quick connector 5
Arrow D be airflow direction), gas passes through each through hole in secondary muffler core pipe 6 when flowing through secondary muffler core pipe 6
B10 enters in secondary muffler housing 8 (the arrow C in Fig. 3 is secondary muffler housing interior air-flow direction), and silencing cotton 7 is made
Exhaust flow rate is reduced again while noise is reduced for sound-absorbing porous material, realizes the purpose of reduction noise；Secondary muffler
Exhaust outlet 11 after be arranged on discharge gas and come in that (arrow E in Fig. 3 enters for air-flow discharge direction, with discharge gas in direction
In the opposite direction), the gas and sound wave more fully consumed energy entered in secondary muffler housing 8 can be enable, disappeared with reaching
The purpose of sound, secondary muffler carries out noise reduction mainly for low frequency noise.
Oxygen machine pneumatic operated valve 1 discharges high nitrogen mixture gas, and gas passes through reduction by connecting twin-stage noise eliminating device, muffler
Discharge gas flow velocity harmony wave energy consumes to reduce noise, reaches the purpose of noise reduction, and twin-stage noise eliminating is directed to high frequency noise respectively
With low frequency noise design, noise can be the most greatly lowered.
Claims (7)
1. a kind of oxygen machine twin-stage noise eliminating device, it is characterised in that：Including the first class sound arrester and secondary muffler, wherein one-level disappears
Sound device includes the first class sound arrester housing (4) and the first class sound arrester core pipe (3) being arranged in the first class sound arrester housing (4), institute
Stating secondary muffler includes secondary muffler housing (8), the secondary muffler core pipe being arranged in the secondary muffler housing (8)
(6) and the silencing cotton (7) that is filled between secondary muffler housing (8) and secondary muffler core pipe (6), the first class sound arrester
The inlet end of core pipe (3) is connected with the exhaust outlet of oxygen machine pneumatic operated valve (1), outlet side and the secondary muffler core pipe (6)
One end be connected, the other end of the secondary muffler core pipe (6) is blind end；The first class sound arrester core pipe (3) and two grades
Multiple through hole A (9) and through hole B (10), oxygen machine pneumatic operated valve (1) row are evenly equipped with muffler core pipe (6) respectively in axial direction
The gas gone out is entered in the first class sound arrester housing (4) when flowing through the first class sound arrester core pipe (3) by each through hole A (9) to be sent out
Raw reflection, interference, reduce noise, and the gas into the secondary muffler core pipe (6) by each through hole B (10) is discharged into two
Acoustic wave energy is consumed in level muffler shell (8), by the silencing cotton (7), by the gas of twin-stage noise eliminating by described two grades
Exhaust outlet (11) discharge that muffler bottom is opened up.
2. oxygen machine according to claim 1 twin-stage noise eliminating device, it is characterised in that：The first class sound arrester core pipe (3)
For cylindrical siphunculus, its axial direction and the axial direction of each through hole A (9) are perpendicular.
3. oxygen machine according to claim 1 twin-stage noise eliminating device, it is characterised in that：The secondary muffler core pipe (6)
For cylindrical tube sealing, its axial direction and the axial direction of each through hole B (10) are perpendicular.
4. oxygen machine according to claim 3 twin-stage noise eliminating device, it is characterised in that：The secondary muffler core pipe (6)
Bottom and top be integrated or split-type structural, the exhaust outlet (11) is opened in the bottom of the secondary muffler core pipe (6).
5. oxygen machine according to claim 3 twin-stage noise eliminating device, it is characterised in that：The secondary muffler core pipe (6)
Axial cross section be " mountain " shape, centre is cylindrical tube sealing, and the outward flange of bottom is flexible buckle (13), described two grades
Muffler shell (8) bottom is provided with the annular opening (12) corresponding with buckle (13), and the buckle (13) is in the silencing cotton (7)
It is caught in after being fitted into secondary muffler housing (8) in annular opening (12).
6. oxygen machine according to claim 1 twin-stage noise eliminating device, it is characterised in that：The oxygen machine pneumatic operated valve (1), one
Level muffler and secondary muffler are connected in series by pipeline, and pipeline is carried out by quick connector (2) or right angle quick connector (5)
Push-in connection.
7. oxygen machine according to claim 6 twin-stage noise eliminating device, it is characterised in that：The first class sound arrester core pipe (3)
Inlet end and outlet side be respectively connected with quick connector (2), the quick connector (2) of inlet end passes through pipeline and the oxygen machine gas
Dynamic valve (1) is connected, and the quick connector (2) of outlet side is connected by pipeline with one end of right angle quick connector (5), the right angle
The other end of quick connector (5) is connected with one end of the secondary muffler core pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199206.0U CN206516348U (en) | 2017-03-02 | 2017-03-02 | A kind of oxygen machine twin-stage noise eliminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720199206.0U CN206516348U (en) | 2017-03-02 | 2017-03-02 | A kind of oxygen machine twin-stage noise eliminating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516348U true CN206516348U (en) | 2017-09-22 |
Family
ID=59869700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720199206.0U Active CN206516348U (en) | 2017-03-02 | 2017-03-02 | A kind of oxygen machine twin-stage noise eliminating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916523A (en) * | 2018-08-15 | 2018-11-30 | 江苏氧滋康电器有限公司 | A kind of oxygenerator muffler |
| CN109882415A (en) * | 2019-02-21 | 2019-06-14 | 西安航天动力研究所 | A kind of dry vacuum pump |
| CN110085206A (en) * | 2019-03-27 | 2019-08-02 | 合肥雅美娜环境医疗设备有限公司 | A kind of oxygenerator muffler |
-
2017
- 2017-03-02 CN CN201720199206.0U patent/CN206516348U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916523A (en) * | 2018-08-15 | 2018-11-30 | 江苏氧滋康电器有限公司 | A kind of oxygenerator muffler |
| CN108916523B (en) * | 2018-08-15 | 2024-04-26 | 江苏氧滋康电器有限公司 | Exhaust silencer of oxygenerator |
| CN109882415A (en) * | 2019-02-21 | 2019-06-14 | 西安航天动力研究所 | A kind of dry vacuum pump |
| CN110085206A (en) * | 2019-03-27 | 2019-08-02 | 合肥雅美娜环境医疗设备有限公司 | A kind of oxygenerator muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A two stage muffler for oxygen machine Effective date of registration: 20201228 Granted publication date: 20170922 Pledgee: China Construction Bank Corporation Shenyang Chengnei sub branch Pledgor: SHENYANG SIASUN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020210000072 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231211 Granted publication date: 20170922 Pledgee: China Construction Bank Corporation Shenyang Chengnei sub branch Pledgor: SHENYANG SIASUN MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2020210000072 |