CN106292805B - A kind of digital intelligent oxygen generation system and control method - Google Patents
A kind of digital intelligent oxygen generation system and control method Download PDFInfo
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- CN106292805B CN106292805B CN201610843545.8A CN201610843545A CN106292805B CN 106292805 B CN106292805 B CN 106292805B CN 201610843545 A CN201610843545 A CN 201610843545A CN 106292805 B CN106292805 B CN 106292805B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Separation Of Gases By Adsorption (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention provides a kind of digital intelligent oxygen generation system and method, and it, which can stablize, provides high-concentration oxygen, and can realize the real-time monitoring of oxygen concentration and oxygen flow.It can carry out real-time monitoring to methods described to oxygen concentration and oxygen flow, have intelligent protection to oxygen generation system, that improves high-concentration oxygen goes out oxidative stability.
Description
Technical field
The present invention relates to a kind of oxygen generation system, and in particular to a kind of digital intelligent oxygen generation system and control method.
Background technology
It is widely used in clinically with the development of economy and society, oxygenerator serves not only as a kind of common Medical Devices,
But also it is increasingly becoming a kind of common modern health care method.Clinically, can be with using the high-concentration oxygen of oxygenerator
Some symptoms are treated, such as respiratory system and cardiovascular system discomfort, altitude sickness symptom, pregnant woman and fetal distress in uterus, sleep
Property hypoxemia etc..At present, people often adhere to that oxygen uptake can alleviate mental fatigue, the vigorous energy of holding, raising using oxygenerator
Operating efficiency, improve learning efficiency；Meanwhile to a certain extent, harm to body under pollution and adverse circumstances is reduced, can be with
Anti-aging, strengthen physical function.
CN201410247245.4 discloses a kind of oxygen generation system, method and oxygenerator.Automaticity height is characterized in,
Oxygen concentration height processed；But its oxygenerator high concentration goes out oxygen whether stable the problem of being one to be investigated, and its height is automatic in addition
How change is realized and one needs to solve the problems, such as.
CN201510570256.0 discloses a kind of portable intelligent oxygenerator that quantizes.It is characterized in realize closely
Journey, long-range double control, further expand use range, but how it realizes to the remote control of oxygenerator it is crucial, while
It lacks the Real-time Feedback and regulation to oxygen generation concentration size.
The content of the invention
It is an object of the invention to provide a kind of digital intelligent oxygen generation system, and it, which can stablize, provides high-concentration oxygen,
And the real-time monitoring of oxygen concentration and oxygen flow can be realized.
The purpose of the present invention realizes that it includes preceding filter, compressor, electromagnetism by such technical scheme
Gas distributing valve, the first molecular sieve tower, the second molecular sieve tower, the first flow-limiting valve, the second flow-limiting valve, oxygen storage device, oxygen flow
Adjusting means and humidification machine；The gas outlet of the preceding filter connects with compressor, and the gas outlet of compressor passes through electromagnetism gas
Body distributing valve connects with the first molecular sieve tower and the second molecular sieve tower respectively, the oxygen of the first molecular sieve tower and the second molecular sieve tower
Outlet is connected by the first flow-limiting valve and the second flow-limiting valve with oxygen storage device respectively, oxygen storage device by oxygen flow adjusting means and
Humidification machine connects, and the outlet of humidification machine is oxygen delivery outlet；The electromagnetic gas distributing valve includes the air connected with compressor
Air inlet, the first air inlet/outlet connected with the first molecular sieve tower, the second air inlet/outlet connected with the second molecular sieve tower, with the
First waste gas gas outlet of one air inlet/outlet connection and the second exhaust vent connected with the second air inlet/outlet；Air inlet
Valve F11 is provided between the first air inlet/outlet, valve F22 is provided between the first air inlet/outlet and the first exhaust vent, air enters
Valve F21 is provided between gas port and the second air inlet/outlet, valve F12 is provided between the second air inlet/outlet and the second exhaust vent.
Further, the system also includes oxygen concentration sensor, single-chip microcomputer and Touch Screen, single-chip microcomputer respectively with it is preceding
Filter, compressor, electromagnetic gas distributing valve, oxygen storage device, oxygen concentration sensor, oxygen flow adjusting means, touch-control
Screen and humidification machine electrical connection.
Further, the system also includes the heat abstractor connected with compressor outlet, the gas outlet of heat abstractor
Connected with the air inlet of electromagnetic gas distributing valve.
Further, the preceding filter includes the primary filter being sequentially communicated, grade one filter, secondary filtration
Device, tertiary filter, primary filter are screen pack.
Further, first flow-limiting valve and the second flow-limiting valve are in open mode.
Further, the humidification machine is wet kettle.
Another object of the present invention is just to provide a kind of control method of digital intelligent oxygen generation system, methods described it
Real-time monitoring can be carried out to oxygen concentration and oxygen flow, have intelligent protection to oxygen generation system, improve going out for high-concentration oxygen
Oxidative stability.
The purpose of the present invention is realized by such technical scheme, is comprised the following steps that：
1) after oxygen generation system starting up, air enters the oxygen generation system, pre-filtering device by pre-filtering device
Filtering and impurity removing is carried out to air；
2) compressor is compressed to the air after filtering, forms compressed air；
3) compressed air enters in heat abstractor, and heat abstractor cools to compressed air；
4) compressed air after cooling enters electromagnetic gas distributing valve, and electromagnetic gas distributing valve is respectively by compressed air timesharing
Section is assigned to the first molecular sieve tower and the second molecular sieve tower carries out nitrogen oxygen separating；
5) oxygen of oxygen storage device outflow passes through oxygen concentration sensor, and oxygen concentration sensor is by detected oxygen
Concentration information is uploaded to single-chip microcomputer；
6) oxygen of oxygen concentration sensor outflow passes through oxygen flow adjusting means, and oxygen flow adjusting means will be surveyed
The oxygen flow information of amount is uploaded to single-chip microcomputer；
7) oxygen of oxygen flow adjusting means outflow passes through humidification machine, and humidification machine carries out humidifying to oxygen, through oxygen delivery outlet
Discharge.
Further, comprising the following steps that described in step 4)：
Valve F11 and valve F12 4-1) to be opened, closes valve F21 and valve F22, air enters in the first molecular sieve tower,
First molecular sieve tower pressure increases, and nitrogen is adsorbed, and a part flows into oxygen storage device, and another part flows into the second molecular sieve tower；
4-2) in the first molecular sieve tower before molecular sieve adsorption nitrogen saturation during the 0.1-0.9 seconds, valve F21 and valve are opened
F22, now compressed air enter the first molecular sieve tower and the second molecular sieve tower；
4-3) after valve F21 and valve F22 opens the 0.1-0.9 seconds, valve F11 and valve F12, the first molecular sieve are closed
Tower stops air inlet, and the pressure in the first molecular sieve tower reduces and desorbs nitrogen, and nitrogen is expelled to exhausting waste gas by valve F22
Mouthful；
4-4) in the second molecular sieve tower before molecular sieve adsorption nitrogen saturation during the 0.1-0.9 seconds, valve F11 and valve are opened
F12, now compressed air enter the second molecular sieve tower and the first molecular sieve tower；
4-5) after valve F11 and valve F12 opens the 0.1-0.9 seconds, valve F21 and valve F22, the second molecular sieve are closed
Tower stops air inlet, and the pressure in the second molecular sieve tower reduces and desorbs nitrogen, and nitrogen is expelled to exhausting waste gas by valve F11
Mouthful；
4-6) such first molecular sieve tower and the second molecular sieve tower complete an alternation cycle, and the two alternation is most
Continuous-stable oxygen is completed eventually.
Further, if oxygen concentration is adjusted by Touch Screen, regulating command is uploaded to single-chip microcomputer, single-chip microcomputer point
After analysis calculates, control instruction is sent to oxygen flow adjusting means device, oxygen flow is regulated and controled, and the oxygen that will be regulated and controled
Real-time traffic information is uploaded to single-chip microcomputer, while the real-time oxygen concentration information detected is uploaded to list by oxygen concentration sensor
Piece machine, received oxygen concentration and oxygen flow information are respectively converted into corresponding data signal by single-chip microcomputer, and are sent
Shown to Touch Screen.
By adopting the above-described technical solution, the present invention has the advantage that：Electromagnetic gas is distributed by single-chip microcomputer
The control of valve, realize to the first molecular sieve tower and the control of the second molecular sieve tower adsorption cycle and distribution air inlet and exhaust flowing side
To so as to complete the first molecular sieve tower and the second molecular sieve tower alternating continuous oxygen generation, it effectively eliminates compressed air output
Dead point, compressor is played a very good protection, meanwhile, reduce after valve throws open, compressed air is to molecule
The impact of tower is sieved, improves oxygen effect processed and the stability of oxygen output；This oxygen generation system can be to oxygen concentration and oxygen stream
Amount carries out real-time monitoring, improves oxygen generation efficiency and safety in utilization.
Other advantages, target and the feature of the present invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.The target and other advantages of the present invention can be wanted by following specification and right
Book is sought to realize and obtain.
Brief description of the drawings
The brief description of the drawings of the present invention is as follows.
Fig. 1 is the workflow schematic diagram of the present invention；
Fig. 2 is electromagnetic gas distributing valve operation principle Fig. 1 in the present invention；
Fig. 3 is electromagnetic gas distributing valve operation principle Fig. 2 in the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, the compressed air after cooling enters preceding filter, first pass around primary filter and filtered,
Grade one filter, secondary filter, tertiary filter are passed sequentially through again carries out filtering and impurity removing；Carried out after filtering by compressor
Compression, the air after compression are cooled by heat abstractor, the air that compressed air passes through electromagnetic gas distributing valve after cooling
Air inlet enter electromagnetic gas distributing valve in, under the control of single-chip microcomputer, compressed air by electromagnetic gas distributing valve at times
The first molecular sieve tower and the second molecular sieve tower are respectively enterd, the first molecular sieve tower and the second molecular sieve tower alternation carry out nitrogen oxygen
Separation, finally complete the first molecular sieve tower and the second molecular sieve tower alternating continuous oxygen generation.
It is a further object to provide a kind of control method of digital intelligent oxygen generation system, it can be to oxygen
Concentration and oxygen flow carry out real-time monitoring, have intelligent protection to oxygen generation system, that improves high-concentration oxygen goes out oxidative stability.
The purpose of the present invention is realized by such technical scheme, is comprised the following steps that：
1) after oxygen generation system starting up, air enters the oxygen generation system, pre-filtering device by pre-filtering device
Filtering and impurity removing is carried out to air；
2) compressor is compressed to the air after filtering, forms compressed air；
3) compressed air enters in heat abstractor, and heat abstractor cools to compressed air；
4) compressed air after cooling enters electromagnetic gas distributing valve, and electromagnetic gas distributing valve is respectively by compressed air timesharing
Section is assigned to the first molecular sieve tower and the second molecular sieve tower carries out nitrogen oxygen separating；
5) oxygen of oxygen storage device outflow passes through oxygen concentration sensor, and oxygen concentration sensor is dense by detected oxygen
Degree information is uploaded to single-chip microcomputer；
6) oxygen of oxygen concentration sensor outflow passes through oxygen flow adjusting means, and oxygen flow adjusting means will be surveyed
The oxygen flow information of amount is uploaded to single-chip microcomputer；
7) oxygen of oxygen flow adjusting means outflow passes through humidification machine, and humidification machine carries out humidifying to oxygen, through oxygen delivery outlet
Discharge.
Further, comprising the following steps that described in step 4)：
Valve F11 and valve F12 4-1) to be opened, closes valve F21 and valve F22, air enters in the first molecular sieve tower,
First molecular sieve tower pressure increases, and nitrogen is adsorbed, and a part flows into oxygen storage device, and another part flows into the second molecular sieve tower；
4-2) in the first molecular sieve tower before molecular sieve adsorption nitrogen saturation during the 0.1-0.9 seconds, valve F21 and valve are opened
F22, now compressed air enter the first molecular sieve tower and the second molecular sieve tower；
4-3) after valve F21 and valve F22 opens the 0.1-0.9 seconds, valve F11 and valve F12, the first molecular sieve are closed
Tower stops air inlet, and the pressure in the first molecular sieve tower reduces and desorbs nitrogen, and nitrogen is expelled to exhausting waste gas by valve F22
Mouthful；
4-4) in the second molecular sieve tower before molecular sieve adsorption nitrogen saturation during the 0.1-0.9 seconds, valve F11 and valve are opened
F12, now compressed air enter the second molecular sieve tower and the first molecular sieve tower；
4-5) after valve F11 and valve F12 opens the 0.1-0.9 seconds, valve F21 and valve F22, the second molecular sieve are closed
Tower stops air inlet, and the pressure in the second molecular sieve tower reduces and desorbs nitrogen, and nitrogen is expelled to exhausting waste gas by valve F11
Mouthful；
4-6) such first molecular sieve tower and the second molecular sieve tower complete an alternation cycle, and the two alternation is most
Continuous-stable oxygen is completed eventually.
Further, if oxygen concentration is adjusted by Touch Screen, regulating command is uploaded to single-chip microcomputer, single-chip microcomputer point
After analysis calculates, control instruction is sent to oxygen flow adjusting means device, oxygen flow is regulated and controled, and the oxygen that will be regulated and controled
Real-time traffic information is uploaded to single-chip microcomputer, while the real-time oxygen concentration information detected is uploaded to list by oxygen concentration sensor
Piece machine, received oxygen concentration and oxygen flow information are respectively converted into corresponding data signal by single-chip microcomputer, and are sent
To Touch Screen.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of the technical program, it all should cover in the present invention
Right among.
Claims (9)
- A kind of 1. digital intelligent oxygen generation system, it is characterised in that：The oxygen generation system is mechanical, electrical including preceding filter, compression Magnetic gas distributing valve, the first molecular sieve tower, the second molecular sieve tower, the first flow-limiting valve, the second flow-limiting valve, oxygen storage device, oxygen stream Quantity regulating device and humidification machine；The gas outlet of the preceding filter connects with compressor, and the gas outlet of compressor passes through electromagnetism Gas distributing valve connects with the first molecular sieve tower and the second molecular sieve tower respectively, the oxygen of the first molecular sieve tower and the second molecular sieve tower Gas outlet is connected by the first flow-limiting valve and the second flow-limiting valve with oxygen storage device respectively, and oxygen storage device passes through oxygen flow adjusting means Connected with humidification machine, the outlet of humidification machine is oxygen delivery outlet；The electromagnetic gas distributing valve includes the sky connected with compressor Gas air inlet, the first air inlet/outlet connected with the first molecular sieve tower, the second air inlet/outlet connected with the second molecular sieve tower, with First waste gas gas outlet of the first air inlet/outlet connection and the second exhaust vent connected with the second air inlet/outlet；Air inlet Mouth is provided with valve F22, air being provided with valve F11 between the first air inlet/outlet between the first air inlet/outlet and the first exhaust vent Valve F21 is provided between air inlet and the second air inlet/outlet, valve F12 is provided between the second air inlet/outlet and the second exhaust vent.
- 2. digital intelligent oxygen generation system as claimed in claim 1, it is characterised in that：The system also includes oxygen concentration Sensor, single-chip microcomputer and Touch Screen, single-chip microcomputer fill with preceding filter, compressor, electromagnetic gas distributing valve, storage oxygen respectively Put, the electrical connection of oxygen concentration sensor, oxygen flow adjusting means, Touch Screen and humidification machine.
- 3. digital intelligent oxygen generation system as claimed in claim 1, it is characterised in that：The system also includes and compressor The heat abstractor of gas outlet connection, the gas outlet of heat abstractor connects with the air inlet of electromagnetic gas distributing valve.
- 4. digital intelligent oxygen generation system as claimed in claim 1, it is characterised in that：The preceding filter includes successively Primary filter, grade one filter, secondary filter, the tertiary filter of connection, primary filter are screen pack.
- 5. digital intelligent oxygen generation system as claimed in claim 1, it is characterised in that：First flow-limiting valve and the second current limliting Valve is in open mode.
- 6. digital intelligent oxygen generation system as claimed in claim 1, it is characterised in that：The humidification machine is wet kettle.
- 7. the method that the digital intelligent oxygen generation system according to claim 1 to 6 any one carries out oxygen processed, its feature exist In comprising the following steps that：1) after oxygen generation system starting up, air enters the oxygen generation system by pre-filtering device, and pre-filtering device is to sky Gas carries out filtering and impurity removing；2) compressor is compressed to the air after filtering, forms compressed air；3) compressed air enters in heat abstractor, and heat abstractor cools to compressed air；4) compressed air after cooling enters electromagnetic gas distributing valve, and electromagnetic gas distributing valve respectively divides compressed air at times It is fitted on the first molecular sieve tower and the second molecular sieve tower carries out nitrogen oxygen separating；5) oxygen of oxygen storage device outflow passes through oxygen concentration sensor, and oxygen concentration sensor is by detected oxygen concentration Information is uploaded to single-chip microcomputer；6) oxygen of oxygen concentration sensor outflow passes through oxygen flow adjusting means, and oxygen flow adjusting means will be measured Oxygen flow information is uploaded to single-chip microcomputer；7) oxygen of oxygen flow adjusting means outflow passes through humidification machine, and humidification machine carries out humidifying to oxygen, is discharged through oxygen delivery outlet.
- 8. the method that digital intelligent oxygen generation system according to claim 7 carries out oxygen processed, it is characterised in that step 4) institute That states comprises the following steps that：Valve F11 and valve F12 4-1) to be opened, closes valve F21 and valve F22, air enters in the first molecular sieve tower, and first Molecular sieve tower pressure increases, and nitrogen is adsorbed, and a part flows into oxygen storage device, and another part flows into the second molecular sieve tower；4-2) in the first molecular sieve tower before molecular sieve adsorption nitrogen saturation during the 0.1-0.9 seconds, valve F21 and valve F22 is opened, Now compressed air enters the first molecular sieve tower and the second molecular sieve tower；4-3) after valve F21 and valve F22 opens the 0.1-0.9 seconds, close valve F11 and valve F12, the first molecular sieve tower stop Only air inlet, the pressure in the first molecular sieve tower reduce and desorb nitrogen, and nitrogen is expelled to exhaust vent by valve F22；4-4) in the second molecular sieve tower before molecular sieve adsorption nitrogen saturation during the 0.1-0.9 seconds, valve F11 and valve F12 is opened, Now compressed air enters the second molecular sieve tower and the first molecular sieve tower；4-5) after valve F11 and valve F12 opens the 0.1-0.9 seconds, close valve F21 and valve F22, the second molecular sieve tower stop Only air inlet, the pressure in the second molecular sieve tower reduce and desorb nitrogen, and nitrogen is expelled to exhaust vent by valve F11；4-6) such first molecular sieve tower and the second molecular sieve tower complete an alternation cycle, and the two alternation is finally complete Into continuous-stable oxygen.
- 9. the method that digital intelligent oxygen generation system as claimed in claim 8 carries out oxygen processed, it is characterised in that：If pass through touch-control Oxygen concentration is adjusted screen, and regulating command is uploaded to single-chip microcomputer, after single-chip microcomputer analysis calculates, adjusts and fills to oxygen flow Put device and send control instruction, oxygen flow is regulated and controled, and the oxygen real-time traffic information regulated and controled is uploaded to single-chip microcomputer, The real-time oxygen concentration information detected is uploaded to single-chip microcomputer by oxygen concentration sensor simultaneously, and single-chip microcomputer is by received oxygen Gas concentration and oxygen flow information are respectively converted into corresponding data signal, and send to Touch Screen.
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| CN201610843545.8A CN106292805B (en) | 2016-09-22 | 2016-09-22 | A kind of digital intelligent oxygen generation system and control method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095297B (en) * | 2018-01-30 | 2021-02-02 | 沈阳新松医疗科技股份有限公司 | Fault diagnosis method and system for oxygen machine |
| CN109896502A (en) * | 2019-04-24 | 2019-06-18 | 北京唯氧绿色科技有限公司 | A kind of oxygenerator monitoring system and oxygenerator |
| CN112875650A (en) * | 2021-03-29 | 2021-06-01 | 合肥康居人智能科技有限公司 | Digital intelligent oxygen generation system and control method |
| CN113384980B (en) * | 2021-06-04 | 2022-05-13 | 浙江瑞鸿机电设备有限公司 | Gas separation device |
| CN115898815A (en) * | 2022-11-14 | 2023-04-04 | 中国第一汽车股份有限公司 | Air compressor system and application |
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