CN215626789U - Small-sized oxygen generator - Google Patents
Small-sized oxygen generator Download PDFInfo
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- CN215626789U CN215626789U CN202120674047.1U CN202120674047U CN215626789U CN 215626789 U CN215626789 U CN 215626789U CN 202120674047 U CN202120674047 U CN 202120674047U CN 215626789 U CN215626789 U CN 215626789U
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- nitrogen
- cavity
- oxygen generator
- compressor
- molecular sieve
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000001301 oxygen Substances 0.000 title claims abstract description 24
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000007789 gas Substances 0.000 claims abstract description 46
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 43
- 239000002808 molecular sieve Substances 0.000 claims abstract description 25
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000006260 foam Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000003795 desorption Methods 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- -1 and simultaneously Chemical compound 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The utility model provides a small oxygen generator which comprises a shell, a molecular sieve tower, a compressor and a nitrogen discharge device, wherein an accommodating cavity is formed in the inner side of the shell, a transverse partition plate and a vertical partition plate are arranged in the accommodating cavity, the accommodating cavity is divided into a first cavity and a second cavity by the transverse partition plate and the vertical partition plate, the molecular sieve tower and the nitrogen discharge device are arranged in the first cavity, the compressor is hung and connected to the second cavity through the transverse partition plate, the nitrogen discharge device is arranged above the transverse partition plate, and the molecular sieve tower is respectively connected with the nitrogen discharge device and the compressor through a gas distribution pipeline. The utility model has the beneficial effects that: the utility model provides a rationally distributed, compact structure's small-size oxygenerator through the heat dissipation blind area with nitrogen discharging device setting in the casing, the production convection current of exhaust flow in the casing is inside when discharging nitrogen gas to realize the inside heat exchange of casing, effectively improved the radiating efficiency of complete machine.
Description
Technical Field
The utility model relates to the technical field of oxygen generation equipment structures, in particular to a small oxygen generator.
Background
The small oxygen generator has compact structure, the analysis of the power density of the heat source is mainly concentrated on the compressor and the compressed gas transmission pipeline, and the layout of the power type electric parts and the pipelines thereof is particularly important to consider in the thermal design process. Therefore, by adopting the thermal design methods of improving the layout of the components, optimizing the heat dissipation air duct and the like, the temperature rise of the cavity in the oxygen generator equipment can be avoided, and the aging life of the device is shortened. The structure thermal design depends on the experience of engineering personnel to a large extent, a heat dissipation blind area is easily caused by considering the incomplete formation of a semi-closed structure area, a convection heat exchange channel cannot be formed, and the heat dissipation efficiency of the whole machine is greatly influenced.
There is a need for improvements in the prior art.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: aiming at the defects of the prior art, the small-sized oxygen generator is reasonable in structure and can effectively avoid generating heat dissipation blind areas.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a small-size oxygenerator, includes casing, molecular sieve tower, compressor and row's nitrogen device, the casing inboard is formed with the holding chamber, the holding chamber is equipped with the cross slab and erects the baffle, the cross slab with erect the baffle and will the holding chamber is separated for first cavity and second cavity, the molecular sieve tower with row's nitrogen device sets up in first cavity, the compressor passes through the cross slab hang connect in the second cavity, row's nitrogen device set up in the top of cross slab, the molecular sieve tower pass through the distribution pipeline respectively with row's nitrogen device and compressor are connected.
Further, the nitrogen discharging device is an impedance composite muffler.
Furthermore, the gas distribution pipeline comprises a switching valve, a high-pressure gas input pipe and a nitrogen exhaust pipe, wherein one end of the high-pressure gas input pipe is connected with a gas outlet of the compressor, and one end of the high-pressure gas input pipe is connected with a first port of the switching valve; one end of the nitrogen exhaust pipe is connected with the second port of the switching valve, the other end of the nitrogen exhaust pipe is connected with the gas inlet of the nitrogen exhaust device, and the third port of the switching valve is connected with the molecular sieve tower.
Further, the switching valve is a pilot-operated solenoid valve or a mechanical rotary valve.
Further, the compressor is connected with the diaphragm plate through a spring.
Further, the vertical partition plate is provided with a fan opening, the fan opening is provided with a cooling fan, and the second cavity is provided with an exhaust port.
Furthermore, the high-pressure gas input pipe is sleeved with a radiator.
Further, the radiator is disposed at one side of the exhaust port.
Furthermore, the radiator comprises at least two radiating fins, the radiating fins are parallel to each other, and a convection channel is formed between the radiating fins.
Further, the cross-sectional area of the convection passage is matched with the opening area of the exhaust port.
The utility model has the beneficial effects that: the utility model provides a rationally distributed, compact structure's small-size oxygenerator through the heat dissipation blind area with nitrogen discharging device setting in the casing, the production convection current of exhaust flow in the casing is inside when discharging nitrogen gas to realize the inside heat exchange of casing, effectively improved the radiating efficiency of complete machine.
Drawings
The specific structure of the utility model is detailed below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the internal structure of the present invention;
1-a shell; 11-diaphragm plate; 12-vertical partition boards; 13-a heat dissipation fan;
2-a molecular sieve column; 21-a switching valve; 22-high pressure gas input pipe; 23-nitrogen exhaust pipe; 24-a heat sink;
3-a compressor; 31-a spring;
4-nitrogen discharge device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Example 1
Referring to fig. 1, a small-sized oxygen generator comprises a shell 1, a molecular sieve tower 2, a compressor 3 and a nitrogen discharge device 4, wherein an accommodating cavity is formed inside the shell 1, the accommodating cavity is provided with a transverse partition plate 11 and a vertical partition plate 12, the transverse partition plate 11 and the vertical partition plate 12 are combined to form an L-shaped partition plate which can divide the accommodating cavity into a first cavity and a second cavity, the molecular sieve tower 2 and the nitrogen discharge device 4 are arranged in the first cavity, the compressor 3 is hung in the second cavity through the transverse partition plate 11, as the upper part of the transverse partition plate 11 is communicated with the first cavity to form a semi-closed structure area which can generate a heat dissipation blind area, the nitrogen discharge device 4 is arranged above the transverse partition plate 11, and exhaust airflow generates convection in the first cavity when nitrogen is discharged, so that the heat in the area is diffused to other areas of the first cavity, the production of heat dissipation blind areas is effectively stopped, the molecular sieve tower 3 is respectively connected with the nitrogen discharging device 4 and the compressor 3 through a gas distribution pipeline, and the vertical partition plate 12 is correspondingly provided with gas supply and distribution pipeline through holes.
From the above description, the beneficial effects of the present invention are: the utility model provides a rationally distributed, compact structure's small-size oxygenerator, through the heat dissipation blind area with the nitrogen discharging device setting in the casing, the exhaust flow produces the convection current in the casing inside when discharging nitrogen gas, and simultaneously, molecular sieve oxygen generation system is at the desorption in-process, desorption gas can be followed and absorbed a large amount of heat on every side, and the desorption gas of high pressure state in the adsorption tower when discharging the release through the nitrogen discharging device, a large amount of high-pressure gas is spout from the gas vent in the short time, this process belongs to the throttle expansion process, can produce refrigeration effect and make local gas temperature reduce rapidly, take away the local heat that the heat dissipation blind area was gathered rapidly through forming the forced convection heat transfer, thereby realize the inside heat exchange of casing, the radiating efficiency of complete machine has effectively been improved.
Example 2
On the basis of the embodiment 1, the nitrogen discharging device 4 is an impedance composite muffler.
In this embodiment, the impedance combined muffler can properly combine sound absorption and sound reflection to perform noise elimination, can effectively utilize the resistive muffler to eliminate medium and high frequency noise, utilizes the resistive muffler to eliminate low and medium frequency noise, has a broadband noise elimination effect, can effectively eliminate noise of exhaust gas by adopting the impedance combined muffler, further reduces the working noise of the oxygen generator, and improves user experience.
Example 3
On the basis of embodiment 2, the gas distribution pipeline comprises a switching valve 21, a high-pressure gas input pipe 22 and a nitrogen exhaust pipe 23, wherein one end of the high-pressure gas input pipe 22 is connected with a gas outlet of the compressor 3, and one end of the high-pressure gas input pipe 22 is connected with a first port of the switching valve 21; one end of the nitrogen exhaust pipe 23 is connected to the second port of the switching valve 21, the other end of the nitrogen exhaust pipe 23 is connected to the gas inlet of the nitrogen exhaust device 4, and the third port of the switching valve 21 is connected to the molecular sieve column 2.
In this embodiment, the compressor inputs pressurized air into the switching valve through the high-pressure gas input pipe, the switching valve communicates the high-pressure gas input pipe with the molecular sieve tower, the high-pressure gas reacts in the molecular sieve tower, so that nitrogen in the high-pressure gas is adsorbed by the molecular sieve tower, thereby oxygen is separated from the high-pressure gas, after the reaction is finished, the switching valve communicates the molecular sieve tower with the oxygen discharge port, oxygen is released from the molecular sieve tower, then the switching valve communicates the molecular sieve tower with the nitrogen exhaust pipe, and the molecular sieve tower discharges the nitrogen from the nitrogen exhaust pipe through the nitrogen exhaust device.
Example 4
In addition to embodiment 3, the switching valve 21 is a pilot type solenoid valve or a mechanical type rotary valve.
In this embodiment, the pilot-operated solenoid valve can bear great pressure, and mechanical rotary valve possesses very fast switching speed, and two kinds of valves all can be adapted to the gas circuit of oxygenerator better and switch the occasion.
Example 5
In addition to embodiment 4, the compressor 3 is connected to the diaphragm 11 by a spring 31.
In this embodiment, in order to prevent the vibration conduction that the compressor during operation produced from arousing the abnormal sound noise to the casing, hang the compressor through the spring and connect in the cross slab, can reach the silence effect of ideal with the help of the vibration that the spring filtering compressor during operation produced.
Example 6
On the basis of embodiment 5, the vertical partition 12 is provided with a fan opening, the fan opening is provided with a heat dissipation fan 13, and the second cavity is provided with an exhaust opening.
In this embodiment, during the operation of the oxygen generator, the external cold air enters the first cavity through the ventilation air inlet, the heat dissipation fan can continuously pump the air with lower temperature in the first cavity to the second cavity, and the air outlet of the second cavity is used for discharging, so that the flowing air continuously passes through the accommodating cavity of the casing, and the forced convection is realized to perform air cooling heat dissipation.
In order to ensure the silencing effect, a vibration reduction gasket is arranged between the radiating fan and the fan opening, and can effectively filter vibration generated during the working of the radiating fan and prevent the vibration generated during the working of the radiating fan from being transmitted to the shell to cause abnormal noise.
Example 7
On the basis of embodiment 6, the high-pressure gas input pipe 22 is sleeved with a radiator 24.
In this embodiment, because the compressor can produce a large amount of heats at compressed air's in-process, consequently, the compressed gas in the gas-supply pipe can possess higher heat, and the gas temperature who inputs in the molecular sieve needs to be in the normal atmospheric temperature state, consequently need cool down compressed air, and the radiator can increase the heat radiating area of high-pressure gas input tube, cup joints the radiator in the gas-supply pipe, can carry out quick heat dissipation on effectively conducting to the radiator with compressed gas's heat.
Example 8
In example 7, the heat sink 24 is provided on the side of the exhaust port.
In this embodiment, set up the radiator in the gas vent department of second cavity, when can letting the gas in the second cavity discharge from the gas vent, in time take away the heat of radiator, reach rapid cooling's effect.
Example 9
On the basis of embodiment 8, the heat sink 24 includes at least two fins, the fins are parallel to each other, and a convection channel is formed between the fins.
In this embodiment, the installation direction of radiating fin is parallel with gaseous convection direction, can reduce the resistance of air at the flow in-process, effectively avoids the air current to receive the wind channel influence to produce the vortex noise.
Preferably, radiating fin is amortization type foam aluminum plate, and amortization type foam aluminum plate's surface is equipped with porous structure, amortization type foam aluminum plate's inside is equipped with microporous structure, wherein the porous structure on amortization type foam aluminum plate surface can let the sound wave take place the diffuse reflection at this section, thereby arouse to interfere the amortization, reach the effect that the noise reduction generated, the distribution is when receiving outside sound wave excitation at the inside microporous structure of amortization type foam aluminum plate, when the sound wave passes through inside micropore or the gap of amortization type foam aluminum plate, the frictional resistance that receives increases, be favorable to converting the kinetic energy to the heat energy of sound wave, form resistive noise elimination structure, thereby effectively reduce the wind noise that the air current produced when passing through radiating fin.
Example 10
On the basis of embodiment 9, the cross-sectional area of the convection passage is adapted to the opening area of the exhaust port.
In this embodiment, the cross-sectional area of the convection channel is adapted to the opening area of the air outlet, so that the air flow in the convection channel is smoothly discharged from the air outlet, and the generation of vortex noise caused by the resistance of the air outlet in the flowing process of the air is avoided.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A small-size oxygenerator which characterized in that: including casing, molecular sieve tower, compressor and row nitrogen device, the casing inboard is formed with the holding chamber, the holding chamber is equipped with the cross slab and erects the baffle, the cross slab with erect the baffle and will the holding chamber is separated for first cavity and second cavity, the molecular sieve tower with arrange the nitrogen device and set up in first cavity, the compressor passes through the cross slab hang connect in the second cavity, arrange the nitrogen device set up in the top of cross slab, the molecular sieve tower pass through the gas distribution pipeline respectively with arrange the nitrogen device and the compressor is connected.
2. The small oxygen generator as set forth in claim 1, wherein: the nitrogen discharging device is an impedance composite muffler.
3. The small oxygen generator as set forth in claim 2, wherein: the gas distribution pipeline comprises a switching valve, a high-pressure gas input pipe and a nitrogen discharge pipe, wherein one end of the high-pressure gas input pipe is connected with a gas outlet of the compressor, and one end of the high-pressure gas input pipe is connected with a first port of the switching valve; one end of the nitrogen exhaust pipe is connected with the second port of the switching valve, the other end of the nitrogen exhaust pipe is connected with the gas inlet of the nitrogen exhaust device, and the third port of the switching valve is connected with the molecular sieve tower.
4. A small oxygen generator as claimed in claim 3, wherein: the switching valve is a pilot-operated solenoid valve or a mechanical rotary valve.
5. The small oxygen generator according to claim 4, wherein: the compressor is connected with the diaphragm plate through a spring.
6. The small oxygen generator according to claim 5, wherein: the vertical partition plate is provided with a fan opening, the fan opening is provided with a cooling fan, and the second cavity is provided with an exhaust port.
7. The small oxygen generator as set forth in claim 6, wherein: the high-pressure gas input pipe is sleeved with a radiator.
8. The small oxygen generator as set forth in claim 7, wherein: the radiator is arranged on one side of the exhaust port.
9. The small oxygen generator as set forth in claim 8, wherein: the radiator comprises at least two radiating fins, the radiating fins are parallel to each other, and a convection channel is formed between the radiating fins.
10. The small oxygen generator as set forth in claim 9, wherein: the cross-sectional area of the convection passage is matched with the opening area of the exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674047.1U CN215626789U (en) | 2021-04-01 | 2021-04-01 | Small-sized oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120674047.1U CN215626789U (en) | 2021-04-01 | 2021-04-01 | Small-sized oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215626789U true CN215626789U (en) | 2022-01-25 |
Family
ID=79935224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120674047.1U Active CN215626789U (en) | 2021-04-01 | 2021-04-01 | Small-sized oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215626789U (en) |
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2021
- 2021-04-01 CN CN202120674047.1U patent/CN215626789U/en active Active
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Address after: 518000 building 39-1, Dayun software Town, 8288 Longgang Avenue, Henggang street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Deda Medical Technology Group Co.,Ltd. Address before: 518000 building 39-1, Dayun software Town, 8288 Longgang Avenue, Henggang street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN DEDA HEALTH CO.,LTD. |