CN209039054U - PSA oxygen generator machine with noise reduction sound function - Google Patents
PSA oxygen generator machine with noise reduction sound function Download PDFInfo
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- CN209039054U CN209039054U CN201821449122.9U CN201821449122U CN209039054U CN 209039054 U CN209039054 U CN 209039054U CN 201821449122 U CN201821449122 U CN 201821449122U CN 209039054 U CN209039054 U CN 209039054U
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- Prior art keywords
- pipeline
- oxygen
- noise reduction
- unit
- air
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- 239000001301 oxygen Substances 0.000 title claims abstract description 98
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 98
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 230000009467 reduction Effects 0.000 title claims abstract description 40
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000741 silica gel Substances 0.000 abstract description 5
- 229910002027 silica gel Inorganic materials 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 230000030279 gene silencing Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001869 rapid Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Oxygen, Ozone, And Oxides In General (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model relates to health-care hospital machinery equipment field, disclose a kind of PSA oxygen generator machine with noise reduction sound function, comprising: air compression unit and oxygen absorbing unit processed；The first pipeline is connected at the air inlet of the air compression unit；The air inlet of the oxygen absorbing unit processed and the exhaust outlet of the air compression unit pass through the second pipeline connection；The nitrogen exhaust ports of the oxygen absorbing unit processed are connected with third pipeline；The hardness of first pipeline, the second pipeline and third pipeline is respectively H, wherein H >=80A.The PSA oxygen generator machine with noise reduction sound function of the utility model, can be effectively reduced pneumatic noise, and compared with traditional common silica gel hose, average noise reduction at least can reach 5-10db.
Description
Technical field
The utility model relates to health-care hospital machinery equipment field, more particularly to a kind of transformation with noise reduction sound function
Oxygen making machine.
Background technique
PSA oxygen generator machine is a kind of equipment that can produce the oxygen used for human body, is usually by internal
Air compressor provides compressed air, is separated from compressed air by pressure swing adsorption method and oxygen is made.However, due to air pressure
Contracting machine continues working and adsorption tower periodically decompression/adsorption process, and there are periodic pressure in the pipeline between component
Variation, can generate jet noise, turbulence noise.In order to reduce noise, can generally be used in the prime of PSA oxygen generator machine
Compressor damping device, or increase the materials such as more silencing cotton, partition inside equipment.But the air inlet of adsorption tower,
Exhaust end can still have biggish turbulence noise and jet noise, influence user's routine use, and increase excessive silencing cotton meeting
Increase machine volume and weight, also will affect machine heat dissipation to a certain extent and the long-acting service life of device is had an impact even
There are security risks.
Utility model content
(1) technical problems to be solved
Purpose of the utility model is to solve PSA oxygen generator machine in the prior art when in use noise it is big and
The technical issues of influencing user experience, provide a kind of PSA oxygen generator machine with noise reduction sound function.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of PSA oxygen generator with noise reduction sound function
Machine, comprising: air compression unit and oxygen absorbing unit processed；
The first pipeline is connected at the air inlet of the air compression unit；
The air inlet of the oxygen absorbing unit processed and the exhaust outlet of the air compression unit pass through the second pipeline connection；
The nitrogen exhaust ports of the oxygen absorbing unit processed are connected with third pipeline；
The hardness of first pipeline, the second pipeline and third pipeline is respectively H, wherein H >=80A.
Further, the caliber of the first pipeline, the second pipeline and third pipeline is respectively D, wherein D >=8mm.
Further, the hardness of first pipeline, the second pipeline and third pipeline is 80A≤H≤98A and caliber is
8mm≤D≤10mm。
Further, further includes: inlet air filtration unit, the inlet air filtration unit is equipped with air inlet and exhaust outlet, described
Exhaust outlet and first pipeline connection；The filtration members of impurity in for filtering air are additionally provided in the inlet air filtration unit.
Further, further includes: denitrogen noise reduction unit, the air inlet of the denitrogen noise reduction unit and the third pipeline connect
It is logical.
Further, further includes: oxygen storage unit；The oxygen of the oxygen inlet of the oxygen storage unit and the oxygen absorbing unit processed
Gas outlet.
Further, further includes: humidification bottle；The air inlet of the humidification bottle is connected to the gas outlet of the oxygen storage unit.
Further, further includes: flow detection unit；The air inlet of the humidification bottle is arranged in the flow detection unit
Between the oxygen outlet of the oxygen storage unit.
(3) beneficial effect
A kind of PSA oxygen generator machine with noise reduction sound function provided by the utility model, to main generation noise
Pipeline on air compression unit and oxygen absorbing unit processed is redesigned, and the hardness of pipeline is optimized, by a large amount of real
It tests research to obtain, using the pipeline of the above intensity of hardness 80A, can effectively avoid pipeline because being under pressure and generate deformation, reduce gas
Flowing pressure variation, to achieve the effect that reduce pneumatic noise, compared with traditional common silica gel hose, average noise reduction at least may be used
Reach 5-10db.
Detailed description of the invention
Fig. 1 is the structural representation of one embodiment of PSA oxygen generator machine with noise reduction sound function of the utility model
Figure；
Fig. 2 is the structural representation of another embodiment of PSA oxygen generator machine with noise reduction sound function of the utility model
Figure.
Wherein:
1: inlet air filtration unit；2: air compression unit；3: oxygen absorbing unit processed；
4: denitrogen noise reduction unit；5: oxygen storage unit；6: filter；
7: flow detection unit；8: humidification bottle；The air inlet of 21- air compression unit；
The nitrogen of the 32- oxygen absorbing unit of 22- air compression unit 31- oxygen absorbing unit is arranged
Exhaust outlet；Air inlet；Port；
33- oxygen absorbing unit the first pipeline of 101-；The second pipeline of 102-；
Oxygen outlet；103- third pipeline.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The structure that Fig. 1 shows one embodiment of PSA oxygen generator machine with noise reduction sound function of the utility model is shown
It is intended to.As shown in Figure 1, the PSA oxygen generator machine, comprising: air compression unit 2 and oxygen absorbing unit 3 processed.Wherein: air
The first pipeline 101 is connected at the air inlet 21 of compression unit 2；The air inlet 31 and air compression unit 2 of oxygen absorbing unit 3 processed
Exhaust outlet 22 pass through the second pipeline 102 be connected to；Third pipeline 103 is connected at the nitrogen exhaust outlet 32 of oxygen absorbing unit 3 processed；
The hardness of first pipeline 101, the second pipeline 102 and third pipeline 103 is respectively H, wherein H >=80A.
Specifically, improvement of the utility model embodiment primarily directed to PSA oxygen generator machine, wherein air compression
Air compressor is usually used in unit 2, and air enters in air compressor by the first pipeline 101 carries out compression section, obtains
To compressed air by the second pipeline 102 enter oxygen absorbing unit 3 processed in.
Oxygen absorbing unit 3 processed, which is generally, fills up the adsorption tower group of molecular sieve under normal temperature conditions, compression is empty by two
Gas enters adsorption tower after removing water the purified treatments such as dry, nitrogen in adsorption tower in air etc. is by molecular sieve institute by filtering
Absorption, and it is enriched with oxygen in the gas phase, from outlet, outflow is stored in oxygen surge tank, and suction is completed in another tower
Attached molecular sieve is depressured rapidly, parses the ingredient adsorbed, two tower alternate cycles, can be obtained purity be >=90% it is honest and clean
The oxygen of valence, obtained oxygen is entered in oxygen storage unit 5 by the oxygen outlet of oxygen absorbing unit 3 processed to be stored, and by air points
From nitrogen then by oxygen absorbing unit 3 processed nitrogen exhaust outlet 32 by third pipeline be discharged.
Due to the continuing working of air compressor, adsorption tower periodically decompression/suction pressure process, connect with the two
There can be periodic pressure change in one pipeline 101, the second pipeline 102 and third pipeline 103, make an uproar to generate larger jet
Sound, turbulence noise.
The utility model embodiment after the air-channel system to the PSA oxygen generator machine carries out detailed analysis, make an uproar by discovery
The main positions that sound generates generate at this in air inlet/exhaust ports of " air compression unit 2 " and " oxygen absorbing unit 3 processed "
Pressure value and pressure change are maximum.Therefore, the noise that the utility model embodiment is generated mainly for compressed air conduction, passes through
Optimize air inlet/exhaust ports circuit design to inhibit its conduction, noise is weakened on its propagation path, from noise source
Sonic propagation the initial segment carries out noise reduction process with making an uproar, compared with simple sound insulation noise-reducing structure better effect.
It finds after study, the hardness parameter of the first pipeline 101 of optimization, the second pipeline 102 and third pipeline 103 can be with
Reach good noise reduction effect.It is strong that hardness 80A or more is respectively adopted in first pipeline 101, the second pipeline 102 and third pipeline 103
The pipeline (such as PU pipe of 80A or more intensity) of degree, can effectively avoid pipeline because being under pressure and generates deformation, reduce stream pressure
Variation is obtained to achieve the effect that reduce pneumatic noise by lot of experiments, with traditional common silica gel hose (hardness
55A, identical caliber) it compares, average noise reduction at least can reach 5-10db.
Further, based on the above embodiment, the caliber of the first pipeline 101, the second pipeline 102 and third pipeline 103 point
It Wei D, wherein D >=8mm.
According to the eight power law of gas noise, when gas flow rate reduces, noise power can also reduce, again research discovery
The caliber for expanding conventional tube simultaneously, reaches 8mm or more, can effectively reduce air inlet/exhaust ports air-flow velocity, into one
Step achievees the effect that unhurried current decompression, and changing caliber as a result, makes that its hardness reaches 80A or more and caliber reaches 8mm or more, can be with
Pneumatic noise is significantly reduced, by experimental study, level of noise is up to 50db or so.
In view of production cost, preferred hardness 80A≤H≤98A and caliber 8mm≤D≤10mm pipeline, for example, first
The PU pipeline of hardness 85A, caliber 10mm, pipe thickness 2mm, third pipeline 103 can be used in pipeline 101 and the second pipeline 102
The PU pipeline that hardness 85A, caliber 8mm, pipe thickness 2mm can be used, compared with the common silica gel hose of identical caliber and wall thickness,
Average noise reduction is up to 5dB or so.
Below using the pipeline of different hardness intensity and pipe diameter size to the pressure change adsorption type of the utility model embodiment
The noise reduction effect of oxygenerator carries out experimental study, test result such as table 1 (changing the influence of hardness, caliber parameter to noise reduction) institute
Show:
Table 1 changes the influence of hardness, caliber parameter to noise reduction
As shown in Table 1, the hardness of Tube improvement and caliber parameter can reach good noise reduction effect, and pipeline hardness H >=
It when 80A, is compared with traditional common silica gel hose (hardness 55A, identical caliber), average noise reduction can reach 5-10db, improve pipe
Diameter can further decrease level of noise, and when improving hardness H >=80A and caliber D >=8mm, level of noise highest is only reached
51.5db。
It should be noted that the diameter of 31/ exhaust outlet 32 of air inlet of oxygen absorbing unit 3 processed and the caliber of pipeline need
It adapts to match.In order to further decrease the influence of air-flow, the pipe of the first pipeline 101, the second pipeline 102 and third pipeline 103
Wall may be designed as flat and smooth surface, and the friction of air-flow and tube wall can be effectively relieved, and reduce the generation of noise.
The utility model embodiment is in pipeline conductive process i.e. to noise (the mainly jet noise, rapids of compressed air
Flow noise) cut down, in addition to this, it can also assist adding on air compressor cover and shell using a small amount of quieter material
Add appropriate silencing cotton, can reach good complete machine noise reduction effect.
Fig. 2 is the structural representation of another embodiment of PSA oxygen generator machine with noise reduction sound function of the utility model
Figure.On the basis of the various embodiments described above, as shown in Fig. 2, the PSA oxygen generator machine, further includes: inlet air filtration unit 1.
Inlet air filtration unit 1 is equipped with air inlet and air outlet, and gas outlet is connected to the first pipeline 101；It is equipped in inlet air filtration unit 1
The filtration members of middle impurity for filtering air.The impurity particle purified air being filtered to remove in air, and can also reduce air with
The noise that pipe friction generates, plays noise reduction effect.
On the basis of the various embodiments described above, as shown in Fig. 2, the PSA oxygen generator machine, further includes: denitrogen noise reduction list
Member 4, the air inlet of denitrogen noise reduction unit 4 is connected to third pipeline 103.Traditional nitrogen emptying can be used in denitrogen noise reduction unit 4
Muffler can further weaken the generation and propagation of noise, and outlet noise sound-damping qualities is made to reach 20-30 decibels (A sound levels).
On the basis of the various embodiments described above, as shown in Fig. 2, the PSA oxygen generator machine, further includes: oxygen storage unit 5,
The oxygen inlet of oxygen storage unit 5 is connected to the oxygen outlet 33 of oxygen absorbing unit processed, is produced for saving oxygen absorbing unit 3 processed
The medical oxygen arrived uses when in case needing.
Further, humidification bottle 8 is connected by filter 6 at the oxygen outlet of oxygen storage unit 5, filter 6 can be further
The impurity purified oxygen in oxygen is filtered, for users to use high-purity oxygen.It is used in order to supply urgent anoxic patient, one
As the dry oxygen humidifying that needs to produce oxygen generating plant by humidification bottle 8 used at wet oxygen for human body, may be used also
In 8 front end of humidification bottle, i.e., flow detection unit 7 is set between the air inlet of humidification bottle 8 and the oxygen outlet of oxygen storage unit 5, it is real
Reveal the accurate control of oxygen amount.
In addition, air compression unit 2, oxygen absorbing unit 3 processed and flow detection unit 7 can pass through circuit control unit
Equipment automation control is realized in control, easy to use, accurate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. a kind of PSA oxygen generator machine with noise reduction sound function characterized by comprising air compression unit and oxygen processed
Absorbing unit；
The first pipeline is connected at the air inlet of the air compression unit；
The air inlet of the oxygen absorbing unit processed and the exhaust outlet of the air compression unit pass through the second pipeline connection；
The nitrogen exhaust ports of the oxygen absorbing unit processed are connected with third pipeline；
The hardness of first pipeline, the second pipeline and third pipeline is respectively H, wherein H >=80A.
2. the PSA oxygen generator machine according to claim 1 with noise reduction sound function, which is characterized in that the first pipe
The caliber on road, the second pipeline and third pipeline is respectively D, wherein D >=8mm.
3. the PSA oxygen generator machine according to claim 2 with noise reduction sound function, which is characterized in that described first
The hardness of pipeline, the second pipeline and third pipeline is 80A≤H≤98A and caliber is 8mm≤D≤10mm.
4. the PSA oxygen generator machine according to claim 1-3 with noise reduction sound function, which is characterized in that
Further include: inlet air filtration unit, the inlet air filtration unit are equipped with air inlet and exhaust outlet, the exhaust outlet and first pipe
Road connection；The filtration members of impurity in for filtering air are additionally provided in the inlet air filtration unit.
5. the PSA oxygen generator machine according to claim 1-3 with noise reduction sound function, which is characterized in that
Further include: denitrogen noise reduction unit, the air inlet of the denitrogen noise reduction unit and the third pipeline connection.
6. the PSA oxygen generator machine according to claim 1-3 with noise reduction sound function, which is characterized in that
Further include: oxygen storage unit；The oxygen inlet of the oxygen storage unit is connected to the oxygen outlet of the oxygen absorbing unit processed.
7. the PSA oxygen generator machine according to claim 6 with noise reduction sound function, which is characterized in that further include:
Humidification bottle；The air inlet of the humidification bottle is connected to the oxygen outlet of the oxygen storage unit.
8. the PSA oxygen generator machine according to claim 7 with noise reduction sound function, which is characterized in that further include:
Flow detection unit；The air inlet of the humidification bottle and the oxygen outlet of the oxygen storage unit is arranged in the flow detection unit
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449122.9U CN209039054U (en) | 2018-09-05 | 2018-09-05 | PSA oxygen generator machine with noise reduction sound function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449122.9U CN209039054U (en) | 2018-09-05 | 2018-09-05 | PSA oxygen generator machine with noise reduction sound function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209039054U true CN209039054U (en) | 2019-06-28 |
Family
ID=67032458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821449122.9U Withdrawn - After Issue CN209039054U (en) | 2018-09-05 | 2018-09-05 | PSA oxygen generator machine with noise reduction sound function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209039054U (en) |
-
2018
- 2018-09-05 CN CN201821449122.9U patent/CN209039054U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190628 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190628 Effective date of abandoning: 20240524 |