CN107308529A - A kind of pulsed vacuum pressure swing adsorption machine and pulsed method for supplying oxygen - Google Patents
A kind of pulsed vacuum pressure swing adsorption machine and pulsed method for supplying oxygen Download PDFInfo
- Publication number
- CN107308529A CN107308529A CN201710359981.2A CN201710359981A CN107308529A CN 107308529 A CN107308529 A CN 107308529A CN 201710359981 A CN201710359981 A CN 201710359981A CN 107308529 A CN107308529 A CN 107308529A
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- Prior art keywords
- oxygen
- magnetic valve
- swing adsorption
- vacuum pressure
- pressure swing
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Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000001301 oxygen Substances 0.000 title claims abstract description 108
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 108
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 9
- 230000002146 bilateral effect Effects 0.000 claims abstract description 19
- 239000002808 molecular sieve Substances 0.000 claims description 32
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 32
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 230000036387 respiratory rate Effects 0.000 description 5
- 238000003795 desorption Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
- A61M16/202—Controlled valves electrically actuated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0015—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors
- A61M2016/0018—Accessories therefor, e.g. sensors, vibrators, negative pressure inhalation detectors electrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/40—Respiratory characteristics
- A61M2230/42—Rate
Abstract
The invention discloses a kind of pulsed vacuum pressure swing adsorption machine, including oxygenerator body, oxygen container is provided with described oxygenerator body, the outlet of described oxygen container is provided with oxygen output tube, described oxygen output tube is provided with the first magnetic valve and bilateral single-way switch magnetic valve in parallel, one path of described bilateral single-way switch magnetic valve is in parallel with the first magnetic valve, one end of another path of described bilateral single-way switch magnetic valve and the outlet of oxygen output tube and other end are connected with the differential pressure pickup for detecting human exhaled breath and suction condition.The pulsed vacuum pressure swing adsorption machine can effectively improve oxygen utilization rate.
Description
Technical field
The present invention relates to oxygenerator field, specially a kind of pulsed vacuum pressure swing adsorption machine.
Background technology
Current oxygenerators most of on the market use pressure-variable adsorption (PSA) oxygenerator, and pressure swing adsorption oxygen is also known as
Molecular-sieve type oxygen generator refers to based on pressure-variable adsorption (PSA) technology, and the novel device of oxygen is extracted from air.Its profit
Molecular sieve is loaded in oxygenerator with molecular sieve physical absorption and desorption technique, nitrogen adsorption in air can be remained in pressurization
Remaining unabsorbed oxygen is collected, and the oxygen of high-purity is become after purified treatment.Specific work process is
After compressed air is purified through air purification drying machine, adsorption tower is entered by switching valve.In adsorption tower, nitrogen is by molecular sieve
Absorption, oxygen enters oxygen storage tank after being built up at the top of adsorption tower, then through eliminating the unusual smell, dust removal filter and sterilizing filter
Filtering obtains qualified oxygen.
Vacuum pressure swing adsorption equipment, abbreviation VPSA oxygen generating plants.Formed using VPSA is dedicated molecular sieve used with drier
Mixed bed layer-selective absorption air in the impurity such as nitrogen, carbon dioxide and water, make oxygen build up and collect in bed end,
The mol sieve beds of adsorption saturation state are desorbed under conditions of vacuumizing, so as to circulate the higher oxygen of obtained purity
Gas.
Existing equipment waste of oxygen is serious.
The content of the invention
It is an object of the invention to provide a kind of pulsed vacuum pressure swing adsorption for effectively improving oxygen utilization rate
Machine and a kind of pulsed method for supplying oxygen.
To achieve the above object, the present invention provides following technical scheme：A kind of pulsed vacuum pressure swing adsorption machine, bag
Include and oxygen container be provided with oxygenerator body, described oxygenerator body, the outlet of described oxygen container is provided with oxygen output tube,
Described oxygen output tube is unidirectionally opened provided with the first magnetic valve and bilateral single-way switch magnetic valve in parallel, described bilateral
One path of powered-down magnet valve is in parallel with the first magnetic valve, another path of described bilateral single-way switch magnetic valve
The pressure difference that the outlet and other end of one end and oxygen output tube are connected with for detecting human exhaled breath and suction condition is passed
Sensor.
In above-mentioned pulsed vacuum pressure swing adsorption machine, described differential pressure pickup is corresponding with the differential pressure pickup
Bilateral single-way switch magnetic valve path between be provided with the second magnetic valve.
In above-mentioned pulsed vacuum pressure swing adsorption machine, oxygen concentration sensing is additionally provided with described oxygen output tube
Device and pressure sensor.
In above-mentioned pulsed vacuum pressure swing adsorption machine, at least two molecules are provided with described oxygenerator body
Sieve and four-way valve, described molecular sieve are provided with oxygen exhaust and air intlet, and described oxygen exhaust is connected to entering for oxygen container
Mouthful, two outlets of described four-way valve are respectively connecting to the air intlet of a few molecular sieve, two of described four-way valve
Entrance is respectively connecting to for extracting the vavuum pump of nitrogen in molecular sieve and the compressor for injecting air into molecular sieve out.
In above-mentioned pulsed vacuum pressure swing adsorption machine, two outlets of described four-way valve and the sky of molecular sieve
Cooling pipe is provided between gas import.
In above-mentioned pulsed vacuum pressure swing adsorption machine, the entrance of described compressor is connected with noise reduction box and mistake
Filter box.
In above-mentioned pulsed vacuum pressure swing adsorption machine, described vavuum pump and compressor becomes one
DC frequency conversion brushless vacuum compressor.
In above-mentioned pulsed vacuum pressure swing adsorption machine, the oxygen exhaust of at least two described molecular sieves passes through even
Adapter connection, described connecting tube is provided with the 3rd magnetic valve.
Meanwhile, the present invention also provides a kind of pulsed using pulsed vacuum pressure swing adsorption machine as described above and supplied
Oxygen method, comprises the following steps：
Step 1：It is continuous oxygen supply or pulse oxygen supply to judge present mode, if pulse oxygen supply pattern, then carries out step
2, if continuous oxygen supply then carries out step 5；
Step 2：Judge that human body is to be in expiration state or suction condition by differential pressure pickup, if suction condition is then
Step 3 is carried out, if expiration state then carries out step 4；
Step 3：The first magnetic valve, and timing are opened, if timing time has reached inspiration time set in advance, is carried out
Step 4；
Step 4：The first magnetic valve is closed, and carries out step 2；
Step 5：The first magnetic valve is closed, path in parallel with the first magnetic valve on bilateral single-way switch magnetic valve is connected.
Compared with prior art, the beneficial effects of the invention are as follows：
Oxygen supply is controlled according to the respiratory rate of people, it mainly detects human body respiration frequency using micro pressure sensor
To realize pulse oxygen supply, the utilization ratio that oxygen improves oxygen is saved.Offering oxygen way uses the side according to respiratory rate oxygen supply
Formula, human body respiration frequency is detected using micro pressure sensor, and the switch of magnetic valve is controlled by single-chip microcomputer, air-breathing oxygen supply is realized,
Oxygen feeding stop during expiration.Oxygen is provided by oxygenerator or oxygen cylinder, and oxygen supply is continuous process, not because when exhaling
Oxygen supply stops and stopped.Present apparatus oxygen supply in human body air-breathing so that patient is more comfortable with oxygen, so as to effectively increase oxygen
The utilization rate of gas.
Brief description of the drawings
Fig. 1 is the structural representation of the pulsed vacuum pressure swing adsorption machine of embodiments of the invention 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiment 1
Referring to Fig. 1, a kind of pulsed vacuum pressure swing adsorption machine, including oxygenerator body, described oxygenerator sheet
Oxygen container 8 is provided with vivo, and the outlet of described oxygen container 8 is provided with oxygen output tube, and described oxygen output tube is provided with parallel connection
The first magnetic valve 15 and bilateral single-way switch magnetic valve 18, a path of described bilateral single-way switch magnetic valve 18 with
First magnetic valve 15 is in parallel, one end of another path of described bilateral single-way switch magnetic valve 18 and oxygen output tube
Outlet and other end is connected with differential pressure pickup 17 for detecting human exhaled breath and suction condition.
The present embodiment controls oxygen supply according to the respiratory rate of people, and it mainly detects people using miniature differential pressure pickup 17
Body respiratory rate realizes pulse oxygen supply, saves the utilization ratio that oxygen improves oxygen.Offering oxygen way is used according to respiratory rate
The mode of oxygen supply, human body respiration frequency is detected using differential pressure pickup 17, and the switch of magnetic valve is controlled by single-chip microcomputer, is realized and is inhaled
Gas oxygen supply, oxygen feeding stop during expiration.Present apparatus oxygen supply in human body air-breathing so that patient is more comfortable with oxygen, so as to effectively carry
The high utilization rate of oxygen.
Specifically, its method is：Comprise the following steps：
Step 1：It is continuous oxygen supply or pulse oxygen supply to judge present mode, if pulse oxygen supply pattern, then carries out step
2, if continuous oxygen supply then carries out step 5；
Step 2：Judge that human body is to be in expiration state or suction condition by differential pressure pickup 17, if suction condition
Step 3 is then carried out, if expiration state then carries out step 4；
Step 3：The first magnetic valve 15, and timing are opened, if timing time has reached inspiration time set in advance, is entered
Row step 4；
Step 4：The first magnetic valve 15 is closed, and carries out step 2；
Step 5：Normally opened first magnetic valve 15, carries out continuous oxygen supply.
Further, described differential pressure pickup 17 and the corresponding bilateral single-way switch magnetic valve 18 of the differential pressure pickup 17
Path between be provided with the second magnetic valve 16, if in pulse oxygen supply state, then the second magnetic valve 16 is opened, bilateral list
The path blockade in parallel with the first magnetic valve 15 on to switch electromagnetic valve 18, if in continuous oxygen supply state, the second electromagnetism
Valve 16 is closed, the communication in parallel with the first magnetic valve 15 on bilateral single-way switch magnetic valve 18.
It is further preferred that being additionally provided with oxygen concentration sensor 14 and pressure sensor 12 on described oxygen output tube.Oxygen
It is provided between concentration sensor 14 and oxygen output tube in the 5th magnetic valve 13, described oxygenerator body provided with two molecules
(6,7) and four-way valve 5 are sieved, described molecular sieve is provided with oxygen exhaust and air intlet, and described oxygen exhaust is connected to storage oxygen
The entrance of tank 8, is provided with the 4th magnetic valve (10,11), the 4th magnetic valve (10,11) is only to storage between oxygen exhaust and oxygen container 8
Oxygen tank 8 is opened when supplying, and two outlets of described four-way valve 5 connect the air intlet of a molecular sieve, described four respectively
The two entrances of port valve 5 are respectively connecting to be used for the vavuum pump 3-a for extracting molecular sieve (6,7) interior nitrogen out and for molecular sieve
Compressor 3-b of injection air in (6,7), vavuum pump 3-a outlet connection denitrogen muffler 19, the two of described four-way valve 5
Cooling pipe 4 is provided between individual outlet and the air intlet of molecular sieve, described compressor 3-b entrance is connected with the He of noise reduction box 2
Filter cartridge 1, the oxygen exhaust of two described molecular sieves is connected by connecting tube, and described connecting tube is provided with the 3rd magnetic valve
9.In actual use, described vavuum pump 3-a and compressor 3-b are the DC frequency conversion brushless vacuum become one
Compressor 3-b.The working method of this oxygenerator body is：Compression end of the air in DC frequency conversion brushless vacuum compressor 3-b
Under effect, DC frequency conversion brushless vacuum compressor 3-b compression end is reached by filter cartridge 1, noise reduction box 2, then by cooling
Pipe 4 is entered in the molecular sieve 6 adsorbed after cooling by four-way valve 5, then nitrogen and other gas quilts after absorption
Absorption, oxygen enters oxygen container 8；Another molecular sieve 7 is in desorption state, and now the air inlet of the molecular sieve 7 goes out oxygen
Mouth is connected with the oxygen exhaust of another molecular sieve 6, and the air intlet of the molecular sieve 7 passes through four-way valve 5 and DC frequency conversion brushless
The vacuum compressor 3-b nitrogen vacuumized in end connection, the molecular sieve 7 drains into air, while another molecular sieve 6 is logical
The 3rd magnetic valve 9 of opening is crossed to the just oxygen supply in the molecular sieve 7 of desorption, to replace the nitrogen in molecular sieve 7, desorption is improved
Attached effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, nothing
By from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by institute
Attached claim rather than described above are limited, it is intended that will fall in the implication and scope of the equivalency of claim
All changes include in the present invention.Any reference in claim should not be considered as to the right involved by limitation
It is required that.
Claims (9)
1. provided with storage oxygen in a kind of pulsed vacuum pressure swing adsorption machine, including oxygenerator body, described oxygenerator body
Tank, it is characterised in that：The outlet of described oxygen container is provided with oxygen output tube, and described oxygen output tube is provided with parallel the
One magnetic valve and bilateral single-way switch magnetic valve, the path and the first magnetic valve of described bilateral single-way switch magnetic valve are simultaneously
Connection, one end of another path of described bilateral single-way switch magnetic valve and the outlet of oxygen output tube and other one
End is connected with the differential pressure pickup for detecting human exhaled breath and suction condition.
2. pulsed vacuum pressure swing adsorption machine according to claim 1, it is characterised in that：Described differential pressure pickup
The second magnetic valve is provided between the path of the corresponding bilateral single-way switch magnetic valve of the differential pressure pickup.
3. pulsed vacuum pressure swing adsorption machine according to claim 1, it is characterised in that described oxygen output tube
On be additionally provided with oxygen concentration sensor and pressure sensor.
4. the pulsed vacuum pressure swing adsorption machine stated according to claim 1, it is characterised in that in described oxygenerator body
Provided with least two molecular sieves and four-way valve, described molecular sieve is provided with oxygen exhaust and air intlet, and described oxygen exhaust connects
The entrance of oxygen container is connected to, two outlets of described four-way valve are respectively connecting to the air intlet of a few molecular sieve, described
The two entrances of four-way valve be respectively connecting to for extracting in molecular sieve the vavuum pump of nitrogen out and for being injected into molecular sieve
The compressor of air.
5. pulsed vacuum pressure swing adsorption machine according to claim 4, it is characterised in that the two of described four-way valve
Cooling pipe is provided between individual outlet and the air intlet of molecular sieve.
6. pulsed vacuum pressure swing adsorption machine according to claim 4, it is characterised in that described compressor enters
Mouth is connected with noise reduction box and filter cartridge.
7. pulsed vacuum pressure swing adsorption machine according to claim 4, it is characterised in that described vavuum pump and pressure
Contracting machine is the DC frequency conversion brushless vacuum compressor become one.
8. pulsed vacuum pressure swing adsorption machine according to claim 4, it is characterised in that described at least two points
The oxygen exhaust of son sieve is connected by connecting tube, and described connecting tube is provided with the 3rd magnetic valve.
9. a kind of pulsed oxygen supply side of pulsed vacuum pressure swing adsorption machine using as described in claim 1-8 is any
Method, it is characterised in that comprise the following steps：
Step 1：It is continuous oxygen supply or pulse oxygen supply to judge present mode, if pulse oxygen supply pattern, then carries out step 2, if
It is that continuous oxygen supply then carries out step 5；
Step 2：Judge that human body is to be in expiration state or suction condition by differential pressure pickup, if suction condition is then carried out
Step 3, if expiration state then carries out step 4；
Step 3：The first magnetic valve, and timing are opened, if timing time has reached inspiration time set in advance, step is carried out
4；
Step 4：The first magnetic valve is closed, and carries out step 2；
Step 5：The first magnetic valve is closed, path in parallel with the first magnetic valve on bilateral single-way switch magnetic valve is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359981.2A CN107308529A (en) | 2017-05-20 | 2017-05-20 | A kind of pulsed vacuum pressure swing adsorption machine and pulsed method for supplying oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359981.2A CN107308529A (en) | 2017-05-20 | 2017-05-20 | A kind of pulsed vacuum pressure swing adsorption machine and pulsed method for supplying oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107308529A true CN107308529A (en) | 2017-11-03 |
Family
ID=60181634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359981.2A Pending CN107308529A (en) | 2017-05-20 | 2017-05-20 | A kind of pulsed vacuum pressure swing adsorption machine and pulsed method for supplying oxygen |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888881A (en) * | 2018-05-07 | 2018-11-27 | 合肥江航飞机装备有限公司 | A kind of civil aircraft emergency oxygen supply control method |
| CN108946672A (en) * | 2018-08-06 | 2018-12-07 | 佛山市欧斯德医疗器械科技有限公司 | A kind of Portable Oxygen generator and its control mode based on pulse mode |
| CN110937578A (en) * | 2019-12-09 | 2020-03-31 | 无锡赫尔德克精密机械有限公司 | Breath type portable oxygen generator and control method thereof |
| CN111729165A (en) * | 2020-07-02 | 2020-10-02 | 杭州富士达特种材料股份有限公司 | Control device for oxygen supply system and oxygen supply method |
| CN111757767A (en) * | 2020-05-07 | 2020-10-09 | 雷激 | Breathing machine |
| CN113101478A (en) * | 2021-03-23 | 2021-07-13 | 深圳大学 | Pulse type oxygen supply control device, method and system based on feedback |
| CN113117200A (en) * | 2021-04-19 | 2021-07-16 | 合肥康居人智能科技有限公司 | Pulse control system for portable oxygen generator |
| CN113713231A (en) * | 2021-09-07 | 2021-11-30 | 北京工业大学 | Combined valve body and control method thereof |
| CN114159926A (en) * | 2021-12-29 | 2022-03-11 | 深圳市德达医疗科技集团有限公司 | Portable oxygen generator and oxygen generation control method |
| CN114538383A (en) * | 2022-01-24 | 2022-05-27 | 深圳市湾区通信技术有限公司 | Molecular sieve oxygenerator and plateau breathing ecology improvement system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108888881A (en) * | 2018-05-07 | 2018-11-27 | 合肥江航飞机装备有限公司 | A kind of civil aircraft emergency oxygen supply control method |
| CN108946672A (en) * | 2018-08-06 | 2018-12-07 | 佛山市欧斯德医疗器械科技有限公司 | A kind of Portable Oxygen generator and its control mode based on pulse mode |
| CN110937578A (en) * | 2019-12-09 | 2020-03-31 | 无锡赫尔德克精密机械有限公司 | Breath type portable oxygen generator and control method thereof |
| CN111757767A (en) * | 2020-05-07 | 2020-10-09 | 雷激 | Breathing machine |
| CN111757767B (en) * | 2020-05-07 | 2022-07-12 | 雷激 | Breathing machine |
| CN111729165A (en) * | 2020-07-02 | 2020-10-02 | 杭州富士达特种材料股份有限公司 | Control device for oxygen supply system and oxygen supply method |
| CN113101478A (en) * | 2021-03-23 | 2021-07-13 | 深圳大学 | Pulse type oxygen supply control device, method and system based on feedback |
| CN113117200A (en) * | 2021-04-19 | 2021-07-16 | 合肥康居人智能科技有限公司 | Pulse control system for portable oxygen generator |
| CN113713231A (en) * | 2021-09-07 | 2021-11-30 | 北京工业大学 | Combined valve body and control method thereof |
| CN113713231B (en) * | 2021-09-07 | 2023-12-22 | 北京工业大学 | Combined valve body and control method thereof |
| CN114159926A (en) * | 2021-12-29 | 2022-03-11 | 深圳市德达医疗科技集团有限公司 | Portable oxygen generator and oxygen generation control method |
| CN114538383A (en) * | 2022-01-24 | 2022-05-27 | 深圳市湾区通信技术有限公司 | Molecular sieve oxygenerator and plateau breathing ecology improvement system |
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Application publication date: 20171103 |