CN109482014B - Filter device and nitrogen-oxygen separation device using same - Google Patents
Filter device and nitrogen-oxygen separation device using same Download PDFInfo
- Publication number
- CN109482014B CN109482014B CN201910012546.1A CN201910012546A CN109482014B CN 109482014 B CN109482014 B CN 109482014B CN 201910012546 A CN201910012546 A CN 201910012546A CN 109482014 B CN109482014 B CN 109482014B
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- Prior art keywords
- filter
- frame
- nitrogen
- air inlet
- filter device
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- 238000000926 separation method Methods 0.000 title claims abstract description 25
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 8
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 210000004556 brain Anatomy 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 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
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000002640 oxygen therapy Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention discloses a filter device and a nitrogen-oxygen separation device using the same, wherein the filter device only comprises a filter frame and a filter screen, the filter screen is wrapped on the upper surface and the lower surface of the filter frame, the filter frame comprises a frame, an air inlet joint and a plurality of supporting ribs, the supporting ribs are arranged in the frame and are used for supporting the filter screen on the upper surface and the lower surface of the filter frame, the filter screen is prevented from being sucked, and the supporting ribs do not penetrate through the upper surface and the lower surface of the frame. The filter device has a single, novel and simple structure, is convenient to produce, does not need a user to replace the filter device in the working environment of the common oxygenerator and the service life of the oxygenerator, and can achieve the filtering effect.
Description
Technical Field
The invention relates to a nitrogen-oxygen separation device, in particular to a nitrogen-oxygen separation device of a filter device.
Background
The oxygen-nitrogen separation device is a device for separating nitrogen and oxygen in air, and is divided into a nitrogen generator and an oxygen generator, wherein the oxygen generator is a device for providing high-concentration oxygen for human respiration. Along with the improvement of the living standard of people and the improvement of society, people have more cognition on the oxygenerator, the use requirement is also increasing, and the oxygenerator is widely used in hospitals and families, and is also used in industries such as aquaculture and the like. The oxygenerator is used for carrying out oxygen therapy on people suffering from respiratory diseases, cardiovascular diseases, cerebrovascular diseases, altitude reactions and altitude diseases, for people suffering from middle-aged and elderly people, students with excessive brains, pregnant women and the like, and people working and living in an anoxic environment, and can promote blood circulation, refresh the brain, eliminate fatigue and effectively improve working efficiency because of the fact that the oxygenerator is used for facilitating the use at any time in daily life or workplace, and is also a good life style.
The oxygenerator mainly comprises a filter device, a compressor, a switching valve, an exhaust silencer, a molecular sieve adsorption tower, a storage and irrigation device, a flowmeter adjusting device, a control system, a shell and the like. The main purpose of the filter device is to prevent solid impurities such as particle hair from entering the compressor cylinder in the air, damage the cylinder leather cup, also can prevent solid impurities such as particle hair from entering the switching valve in the air, influence the normal work of the switching valve diaphragm, reduce the oxygen production efficiency, influence oxygenerator life. At present, the air inlet filter device of the oxygenerator in the market has the advantages of complex structure, complex production and assembly and high cost, and some air inlet filter devices also need to be replaced by users, so that the cost of the users is increased. As chinese patent CN203916348 discloses a filter for oxygenerator, CN207856548 discloses an oxygenerator air filter convenient for replacing filter media, CN108211544 discloses an oxygenerator air filter, CN204952483 discloses a medical oxygenerator air filter, the structures of the several technical schemes are complex, and the filter device is used in oxygenerator, basically all needs to be replaced by users, thus increasing the use cost and the use comfort. For decades, no filter device has been designed and created for practical use in the industry since the industrial production of oxygen and nitrogen separation devices.
It is therefore desirable to provide a filter device that reduces costs, increases production efficiency, reduces user costs, increases comfort of use, and increases market competitiveness.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a filter device which is simple and novel in structure and convenient to produce, and can achieve a filtering effect without changing the filter device by a user in the working environment of a common oxygenerator and the service life of the oxygenerator.
The invention also aims to provide a nitrogen-oxygen separation device which uses the filter device.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a filter device, filter device only includes filter frame and filter screen, and the filter screen covers and wraps up in the upper and lower surface of filter frame, and the filter frame includes frame, air inlet connector and many supporting ribs, and the supporting rib sets up in the frame supports the filter screen of filter frame upper and lower surface prevents its actuation, the supporting rib not run through set up in the upper and lower surface of frame.
Further, the plurality of support ribs are arranged in the frame in a staggered mode, support points are formed between the support ribs, and every two support ribs forming the support points are arranged one above the other respectively.
Further, a plurality of ribs penetrating through the upper surface and the lower surface of the frame and distributed in a staggered manner are arranged on the periphery of the air inlet joint, so that the passage of air entering the air inlet joint is prolonged; the back of the air inlet joint is provided with a support column.
Further, the filter device is provided with a plurality of layers of filter frames which are connected in series, or the filter frames are arranged in a wave shape.
Further, the filter frame is made of plastic.
Further, a positioning boss is arranged on the outer side of the frame.
Further, the filter screen is wrapped on the frame and fixed by adopting modes including, but not limited to, double-sided adhesive, hot melt adhesive and ultrasonic welding.
A nitrogen-oxygen separation device employing a filter device as described in any one of the above.
Further, the filter device is horizontally assembled inside the nitrogen-oxygen separation device.
Further, the filtering surface area of the filter device is set according to the service life of the nitrogen-oxygen separation device, i.e. the filter device is not replaced once the nitrogen-oxygen separation device is adopted.
The invention has the following beneficial effects:
(1) The filter device has the advantages of simple, novel and concise structure, plastic parts are preferably adopted, the filter device can be realized without adopting a die with a complex mechanism, the die cost is low, meanwhile, the filter device has high production and assembly efficiency, the cost is low, the economic benefit is obvious, and the social resource is saved.
(2) Through calculation, actual simulation and accelerated aging tests, the effect of the filter device in the invention in the general service life of the oxygenerator is measured and calculated to set the filtering surface area of a filter screen on the filter device (such as the arrangement of a plurality of layers of filter frames in series in the filter device or the arrangement of the filter frames in wave shape). The filter device is arranged inside the nitrogen-oxygen separation device, and does not need to be replaced by a user in the service life of the nitrogen-oxygen separation device in a common working environment, so that the use comfort is improved, and the use cost of the user is further reduced.
(3) In the use process, the filter screen near the periphery of the air inlet joint is easier to gather impurities in the air than other areas, the gas passing rate is lower than that of the remote areas, and the periphery of the air inlet joint is provided with the support ribs which vertically penetrate through and are staggered, so that the passage of the air entering the air inlet joint is effectively prolonged, and the air inlet noise is lower than that of the initial use.
(4) The filter device is horizontally and fixedly arranged in the nitrogen-oxygen separation device, and has the filtering effect on the upper surface and the lower surface, wherein the filter device automatically drops due to the weight when solid impurities such as particle hair stuck on the lower filter screen are excessively gathered, and the filtering effect of the filter device is longer.
Drawings
FIG. 1 is an external view of a filter device;
FIG. 2 is an exterior view of a filter holder;
FIG. 3 is an exterior view of another angle filter frame;
FIG. 4 is a filter screen profile view;
FIG. 5 is an outline view of a wave filter frame;
FIG. 6 is another angular profile view of a wave filter frame;
FIG. 7 is a schematic diagram of a filter for use in series;
wherein, 10-filter frame; 20-a filter screen; 11-an air inlet joint; 12-positioning a boss; 13-frame; 14-supporting points; 15-supporting ribs A; 16-supporting ribs B; 17-supporting ribs C; 18-supporting columns; 21-a connector bore;
30-a wave filter rack; 31-wave filter air inlet joint; 32-wave filter positioning bosses; 33-wave filter rims; 34-wave filter support points; 35-wave filter support ribs a; 36-wave filter support ribs B; 37-wave filter support ribs C; 38-wave filter support column;
40-filter A; 50-filter B; 41-filter a air inlet connection; 42-filter a positioning boss; 43-filter a inlet port; 51-filter B inlet fitting; 52-filter B positioning boss.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1 to 4, the filter device of the present embodiment only includes a filter frame 10 and a filter screen 20, the filter screen 20 is made of a fiber cloth material capable of filtering solid impurities such as particles and hair in the air, the filter screen 20 (the filter screen 20 is provided with a joint hole 21, and passes through an air inlet joint 11 of the filter frame 10) is wrapped and fixed on the upper and lower surfaces of the filter frame 10, and is fixed on a frame 13 of the filter frame 10 by double-sided adhesive tape, and is not limited to a fixing mode such as double-sided adhesive tape or hot melt adhesive tape. The filter screen 20 shown in fig. 4 is wrapped around the filter frame 10 in a folded state.
The filter frame 10 is provided with an air inlet connector 11, a positioning boss 12, a frame 13, a supporting point 14, a supporting rib A15, a supporting rib B16, a supporting rib C17 and a supporting column 18, wherein the frame 13 is arranged at the periphery of the filter frame 10, the air inlet connector 11 is connected with a compressor air inlet of an oxygen-nitrogen separation device, the positioning boss 12 is used for fixing the filter device inside the oxygen-nitrogen separation device, and the positioning boss 12 is arranged at the outer side of the frame 13.
The supporting points 14, the supporting ribs A15, the supporting ribs B16, the supporting ribs C17 and the supporting columns 18 are arranged in the frame 13 and are used for supporting the filter screen 20, so that the upper surface and the lower surface of the filter screen 20 are prevented from being sucked together due to air inlet negative pressure. The supporting ribs A15 and the supporting ribs B16 are arranged in a staggered manner, the supporting ribs A15 and the supporting ribs B16 are connected through the supporting points 14, the supporting ribs A15 are arranged on the upper side, and the supporting ribs B16 are arranged on the lower side, so that enough space is reserved between the inside of the upper filter screen 20 and the inside of the lower filter screen for ventilation. Both ends of the supporting rib A15 and the supporting rib B16 are connected with the frame 13. Support posts 18 are provided on the back of the air inlet fitting 11 for supporting a filter screen 20. The supporting points 14, the supporting ribs A15, the supporting ribs B16, the supporting ribs C17 and the supporting columns 18 are all provided with a plurality of supporting ribs.
The support ribs C17 are distributed around the air inlet connector 11 in a staggered mode, the air inlet connector 11 penetrates through the air inlet connector vertically and can partially shield an air inlet air path, the filter screen 20 in the peripheral area of the air inlet connector 11 is easier to gather impurities in air than other areas, the air passing rate is lower than that of the remote areas, and therefore the air inlet connector 11 is more effectively prolonged in the air inlet channel, and the effect of reducing air inlet noise is achieved.
In another embodiment, as shown in fig. 5 and 6, the filter frame 30 is integrally provided with a wave-shaped structure, on which a wave filter air inlet joint 31, a wave filter positioning boss 32, a wave filter frame 33, a wave filter supporting point 34, a wave filter supporting rib a35, a wave filter supporting rib B36, a wave filter supporting rib C37, and a wave filter supporting column 38 are provided, and functions of the supporting points, the supporting ribs, and the supporting columns are similar to those of the first embodiment, and will not be described again.
As shown in fig. 7, the filter device can be used in series, the filter a40 and the filter B50 are used in series, the filter a40 comprises a filter frame and a filter screen, a filter a air inlet connector 41, a filter a positioning boss 42, a filter a air inlet hole 43 and the like are arranged on the filter a, and a hole is further formed in the upper side of the filter a positioning boss 42. The filter B50 comprises a filter frame and a filter screen, a filter B air inlet joint 51, a filter B positioning boss 52 and the like are arranged on the filter B air inlet joint 51, and the filter B air inlet joint 51 is inserted into the filter A air inlet hole 43 of the filter A40, so that the filter A40 is in air circuit communication with the inner space of the filter B50. The filter B positioning boss 52 is inserted into the upper side hole of the filter a positioning boss 42, so that the filter a40 and the filter B50 are assembled into a filter device in series, the surface area of the filter screen is the sum of the surface areas of the filter screens on the filter a40 and the filter B50, the surface area of the filter screen is increased in the limited inner space of the oxygenerator shell, and the filter a air inlet connector 41 is a new filter air inlet.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A filter device is characterized in that,
the filter device only comprises a filter frame and a filter screen, the filter screen is wrapped on the upper surface and the lower surface of the filter frame, the filter frame comprises a frame, an air inlet connector and a plurality of supporting ribs, the supporting ribs are arranged in the frame and used for supporting the filter screen on the upper surface and the lower surface of the filter frame, suction is prevented, the supporting ribs do not penetrate through the upper surface and the lower surface of the frame, a connector hole is formed in the filter screen, the connector hole penetrates through the air inlet connector of the filter frame, and the air inlet connector is connected with a compressor air inlet of the oxygen-nitrogen separation device.
2. A filter device as claimed in claim 1, wherein,
the support ribs are arranged in the frame in a staggered mode, support points are formed between the support ribs, and every two support ribs forming the support points are arranged up and down respectively.
3. A filter device as claimed in claim 2, wherein,
the periphery of the air inlet joint is provided with a plurality of ribs which penetrate through the upper surface and the lower surface of the frame and are distributed in a staggered manner, so that the passage of air entering the air inlet joint is prolonged; the back of the air inlet joint is provided with a support column.
4. A filter device according to any one of claims 1-3, wherein,
the filter device is provided with a plurality of layers of filter frames which are connected in series, or the filter frames are arranged in a wave shape.
5. A filter device according to any one of claims 1-3, wherein,
the filter frame is made of plastic parts.
6. A filter device according to any one of claims 1-3, wherein,
and a positioning boss is arranged on the outer side of the frame.
7. A filter device according to any one of claims 1-3, wherein,
the filter screen is wrapped on the frame and is fixed in a mode of double faced adhesive tape, hot melt adhesive and ultrasonic welding.
8. A nitrogen-oxygen separation device is characterized in that,
the nitrogen-oxygen separation device uses a filter device according to any one of claims 1-7.
9. A nitrogen-oxygen separation device according to claim 8, wherein,
the filter device is horizontally arranged inside the nitrogen-oxygen separation device.
10. A nitrogen-oxygen separation device according to claim 8 or 9, wherein,
the filtering surface area of the filter device is set according to the service life of the nitrogen-oxygen separation device, namely the filter device is not replaced once the nitrogen-oxygen separation device is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012546.1A CN109482014B (en) | 2019-01-07 | 2019-01-07 | Filter device and nitrogen-oxygen separation device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012546.1A CN109482014B (en) | 2019-01-07 | 2019-01-07 | Filter device and nitrogen-oxygen separation device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109482014A CN109482014A (en) | 2019-03-19 |
| CN109482014B true CN109482014B (en) | 2024-01-09 |
Family
ID=65714132
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910012546.1A Active CN109482014B (en) | 2019-01-07 | 2019-01-07 | Filter device and nitrogen-oxygen separation device using same |
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| CN (1) | CN109482014B (en) |
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