CN102198321A - Normal-pressure hypoxic cabin for interval hypoxic training and method for regulating oxygen concentration in hypoxic cabin - Google Patents
Normal-pressure hypoxic cabin for interval hypoxic training and method for regulating oxygen concentration in hypoxic cabin Download PDFInfo
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- CN102198321A CN102198321A CN2011100646231A CN201110064623A CN102198321A CN 102198321 A CN102198321 A CN 102198321A CN 2011100646231 A CN2011100646231 A CN 2011100646231A CN 201110064623 A CN201110064623 A CN 201110064623A CN 102198321 A CN102198321 A CN 102198321A
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- 239000001301 oxygen Substances 0.000 title claims abstract description 132
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 132
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 206010021143 Hypoxia Diseases 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- 238000012549 training Methods 0.000 title claims abstract description 18
- 230000001146 hypoxic effect Effects 0.000 title abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 97
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 208000018875 hypoxemia Diseases 0.000 claims description 22
- 238000009530 blood pressure measurement Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 6
- 206010058490 Hyperoxia Diseases 0.000 claims description 4
- 230000000222 hyperoxic effect Effects 0.000 claims description 4
- 230000007954 hypoxia Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 abstract 1
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 238000013461 design Methods 0.000 description 5
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- 230000008859 change Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention provides a normal-pressure hypoxic cabin for interval hypoxic training and a method for regulating oxygen concentration in the hypoxic cabin. A normal-pressure hypoxic cabin is provided, and the normal-pressure hypoxic cabin is communicated with a nitrogen source through a flow control component and a flow measurement component and is connected with an exhaust device; an oxygen concentration measuring device connected with a central control unit is provided, the flow measurement component is connected with the input end of the central control unit, and the central control unit is electrically connected with the flow control component; and a gas source cabin with a gas displacement function is provided, masks are arranged in the normal-pressure hypoxic cabin, the masks are respectively communicated with the gas source cabin through a non-return valve and an on-off valve of a gas suction pipe as well as a non-return valve and an on-off valve of an expiration pipe, and the gas source cabin is provided with a gas source input pipe and a gas flow output pipe. The normal-pressure hypoxic cabin provided by the invention has the advantages of simple structure, low manufacturing cost and high safety. The method provided by the invention can be used for regulating the pressure difference between the inside and outside of the hypoxic cabin by controlling the relative amount between the input nitrogen amount and exhaust amount, thereby realizing the function of regulating the oxygen concentration in the normal-pressure hypoxic cabin. The method is simple and easy to operate.
Description
Technical field
The invention belongs to a kind of trainer and using method thereof, be specifically related to a kind of method that is used to carry out the device of intermittence low-oxygen training and regulates oxygen concentration in the hypoxemia cabin.
Background technology
Existing method of carrying out the intermittence low-oxygen training has usually: can allow by the instruction personnel in the hypobaric chamber environment, adopt to change off and on from gas in the lower hypobaric chamber of partial pressure of oxygen, or train from the method that the higher face shield of partial pressure of oxygen is breathed; Also can allow by the instruction personnel under the environment of non-cabin, utilize the respiratory training that carries out intermittent conversion between the higher gas of oxygen concentration gas lower in the face shield and oxygen concentration.Though preceding a kind of training method of hypobaric chamber of utilizing can make the hypoxemia physiological reaction in the training truer, exists the hypobaric chamber cost higher, and the problem that human body tympanum air pressure balance is existed security hidden danger when the internal gas pressure cataclysm of cabin; Though a kind of face shield of the low gas of oxygen concentration that utilizes in back carries out the hypoxic training low cost, exists the higher meeting of face shield expiratory resistance to cause the problem of hypoxemia physiological reaction distortion.
Summary of the invention
The technical problem to be solved in the present invention is to overcome above-mentioned deficiency, the method of a kind of intermittence low-oxygen training with oxygen concentration in normal pressure low oxygen cabin and the adjusting hypoxemia cabin thereof is provided, this apparatus cost is low, can avoid security hidden danger by cabin internal gas pressure cataclysm generation, and can overcome expiratory resistance when adopting the face shield low oxygen concentration to breathe higher, the problem of hypoxemia physiological reaction distortion appears easily, the method for oxygen concentration has simple advantage in this adjusting hypoxemia cabin.
The technical scheme that addresses the above problem is: apparatus of the present invention are provided with the normal pressure low oxygen cabin with gas displacement function, and this normal pressure low oxygen cabin is communicated with source nitrogen by flow control component and flow measurement parts, and is connected with air extractor; Be provided with the measured oxygen concentration device that is connected with central control unit, be used to measure the oxygen concentration in the normal pressure low oxygen cabin, described flow measurement parts are connected with the central control unit input, and the control end of central control unit is electrically connected with flow control component; Also be provided with closed source of the gas cabin with gas displacement function, be provided with in the normal pressure low oxygen cabin for being breathed the face shield of usefulness by instruction person, face shield is respectively by air intake duct check valve and on-off valve, and exhaust tube check valve and on-off valve be communicated with the source of the gas cabin, and the source of the gas cabin is provided with source of the gas input pipe and air-flow efferent duct.
Further, be provided with the differential pressure measurement parts that are used to measure inside and outside, normal pressure low oxygen cabin draught head, the differential pressure measurement parts are connected with central control unit;
The method that apparatus of the present invention are regulated oxygen concentration in the normal pressure low oxygen cabin is: the gas leakage point that utilizes the normal pressure low oxygen cabin to exist can produce under the situation that has pressure reduction inside and outside the cabin that gas exchanges and magnitude of pressure differential can determine the characteristics of air leakage rate, regulate in the normal pressure low oxygen cabin and out of my cabin pressure differential with the method for relative size between control input nitrogen amount and the rate of air sucked in required, thereby realize by regulating the function that the ratio of nitrogen amount and air capacity realizes regulating oxygen concentration in the normal pressure low oxygen cabin in the cabin.
Apparatus of the present invention are applicable to single or number people's intermittence low-oxygen training, can in the normal pressure low oxygen cabin, be carried out the hypoxic training activity by the instruction personnel, the face shield of respective numbers is set according to quilt instruction number in the cabin, when quilt instruction personnel needed intermittently to breathe the higher gas of oxygen concentration in the hypoxic training process, the source of the gas cabin can provide oxygen concentration higher respiratory gas source for it by face shield.
Source of the gas of the present invention cabin can be arranged on the outside in normal pressure low oxygen cabin, also can be arranged on the inside in normal pressure low oxygen cabin, and two cabin inner chambers are isolated mutually, and gas source in two cabins and outlet have independent paths separately.
The measured oxygen concentration device can be input to central control unit with the oxygen density value in the normal pressure low oxygen cabin, and central control unit reaches the purpose of oxygen concentration in the automatic adjusting normal pressure low oxygen cabin by the flow control component of control source nitrogen.
The air extractor that the normal pressure low oxygen cabin is provided with can cooperate the control of nitrogen flow, realizes the displacement of the inside and outside gas of control and cabin of cabin internal pressure: when the nitrogen flow of input during, be negative pressure in the cabin less than rate of air sucked in required, otherwise, be malleation in the cabin; Though special surrounding air input channel is not structurally established in normal pressure low oxygen of the present invention cabin, but be actually the positions such as cabin body hatch door that utilized common atmospheric chamber body and can have the air leakage point inevitably, when there was pressure reduction in the inside and outside, cabin, these leakage points can produce the gas exchange between the inside and outside, cabin.When the normal pressure low oxygen cabin will be from normal oxygen condition when hypoxia be changed, the present invention can close air extractor earlier, air in the gas leakage point displacement cabin that the nitrogen of utilization input and cabin body exist, make the oxygen concentration in the cabin reduce (be malleation in the cabin this moment), when the hypoxemia level reaches setting value, open air extractor again, make the negative pressure that is in the cabin to a certain degree, keeping under the state of negative pressure then,, making that oxygen concentration meets setting value in the cabin by regulating nitrogen flow.
The source of the gas input pipe in source of the gas cabin is used to source of the gas cabin input oxygen concentration air or other the hyperoxia source of the gas higher than normal pressure low oxygen cabin, satisfy trainer's needs and intermittently breathe the requirement of higher concentration oxygen, the air-flow efferent duct then cooperates the source of the gas input pipe to realize the function of the gas displacement in source of the gas cabin.
The present invention has overcome conventional low cabin cost height, has had the deficiency of potential safety hazard, and overcome the high deficiency of traditional low oxygen mask respiratory resistance, have advantage simple in structure, that cost is low, security is good, the method that the present invention regulates oxygen concentration in the hypoxemia cabin has simple advantage.
Description of drawings
Fig. 1, apparatus of the present invention example structure schematic diagram
Oxygen concentration control flow chart in Fig. 2, apparatus of the present invention embodiment normal pressure low oxygen cabin
The structural representation that Fig. 3, apparatus of the present invention embodiment source of the gas cabin are connected with the hyperoxia source of the gas
The specific embodiment
Referring to Fig. 1, this routine device is provided with the normal pressure low oxygen cabin in enough big space, and the cabin body is provided with can be for the hatch door of being come in and gone out by the instruction personnel.
This routine hypoxemia cabin is the structure that framework that steel profile is built into adds covering again, and covering can be a canvas, perhaps glass, perhaps aluminium sheet, perhaps iron sheet.
The hypoxemia cabin also can be other civil structure or cement structures.In a word, hypoxemia of the present invention cabin body is the atmospheric chamber body of the existence gas leakage point under the lower cost mounting process.
Be provided with source nitrogen, the source nitrogen that pressure is higher than normal pressure low oxygen cabin internal pressure is communicated with normal pressure low oxygen cabin inner chamber by nitrogen input pipe, flow control valve and flow measurement parts, and be provided with exhaust tube, exhaust tube is connected with air extractor by the rate of air sucked in required control valve, is used to guarantee that normal pressure low oxygen cabin internal pressure is regulated and the realization of gas permutation function.
Also be provided with the measured oxygen concentration device that is used to measure oxygen concentration in the normal pressure low oxygen cabin and be used to detect and the differential pressure measurement indicating device of draught head out of my cabin in normal pressure low oxygen the cabin in, the measurement data output of measured oxygen concentration device and differential pressure measurement indicating device is connected with the central control unit input, the measurement data output of aforementioned source nitrogen flow measurement parts also is connected with the central control unit input, the control output end of central control unit is connected with the flow control valve of source nitrogen, is used to control the flow of source nitrogen.
What central control unit adopted is single-chip microcomputer, also other control device such as microcomputer, CPLD.
Steady control for gas pressure and oxygen concentration in the realization normal pressure low oxygen cabin, cabin internal gas pressure value can be controlled at local atmospheric one up and down in the less excursion value, for example this example be with cabin internal gas pressure value be controlled at local atmospheric ± 2.5mmHg is with interior (also can according to this value range of cabin body size appropriate change), in the promptly local sea level altitude ± 30 meters.
This normal pressure control performance design in the hypoxemia cabin can bring following effect:
(1), because pressure reduction is very little, the normal pressure that still is, so the partial pressure of oxygen in the cabin and oxygen concentration are equivalent substantially in the cabin in.For example when this pressure difference be controlled at local atmospheric ± 2.5mmHg in the time, both mutual expression difference only 0.33 with interior (2.5/760 ≈ 0.33%).
(2), because the cabin internal gas pressure remains near the control performance design the normal pressure, the control of partial pressure of oxygen is become only regulate the nitrogen input flow rate, can reach the requirement of different partial in the cabin.This provides utmost point advantageous conditions (one-parameter FEEDBACK CONTROL) for gas oxygen concentration design of automatic control system in the cabin.
(3), this normal pressure performance design has also been simplified the seal design of cabin body hatch door, because can there be the gas leakage point inevitably in the section structure that cost is cheap relatively, and the air leakage that these gas leakage points are caused, see it is the function of cabin inside and outside differential pressure from engineering terms, under the certain condition of rate of air sucked in required, regulate the nitrogen input quantity, just can regulate the inside and outside differential pressure in cabin, also just equaled to regulate the air capacity that flows in the cabin, and the ratio of nitrogen amount and air capacity, just determined the oxygen concentration of gas in the cabin, this performance of atmospheric chamber body drain gas point just in time can be utilized the adjusting factor as gas oxygen concentration in the cabin.
Owing to when the gas leakage degree in normal pressure low oxygen cabin is excessive, easily cause the waste of nitrogen amount; Can cause in the cabin gas displacement slow excessively when too small, might make the carbon dioxide build-up excessive concentration of in the cabin, being breathed out by instruction person, so when carrying out the preparation in normal pressure low oxygen cabin, can under the situation of source nitrogen and air extractor operation, cooperate gas leakage extent control that the detection of CO2 content makes the normal pressure low oxygen cabin in suitable scope, to realize optimization operation of the present invention.
Air extractor for the setting of normal pressure low oxygen cabin, when the maintenance level of the pressure difference in the hypoxemia cabin is less demanding, its rate of air sucked in required control valve manually can be set on the position just motionless, like this, change with regard to main variation with out of my cabin pressure difference in the normal pressure low oxygen cabin with nitrogen flow, but, because it is very little that pressure difference changes, so, to hypoxemia degree influence little (accurately control pressure difference if desired, also can by central control unit according to the meticulous control rate of air sucked in required of the pressure difference signal control valve of measuring).
Fig. 2 is the flow chart of oxygen concentration in this routine central control unit control normal pressure low oxygen cabin.
This example is in actual motion, by the nitrogen amount of control input and the relative size between the rate of air sucked in required, make the air pressure control in the normal pressure low oxygen cabin and remain on local air pressure ± 2.5mmHg in, in this differential pressure range, again by regulating the oxygen concentration in the nitrogen flow control normal pressure low oxygen cabin;
Concrete adjustment process is: when the normal pressure low oxygen cabin will be from normal oxygen condition when hypoxemia be changed, close air extractor earlier, air in the gas leakage point displacement cabin that the nitrogen of utilization input and cabin body exist, make the oxygen concentration in the cabin reduce (be malleation in the cabin this moment), when the hypoxemia level reaches setting value, open air extractor again, make the negative pressure that is in the cabin to a certain degree, keeping under the condition of negative pressure then, by regulating the nitrogen influx, make that oxygen concentration meets setting value in the cabin, the cabin internal gas pressure value of above-mentioned whole adjustment process is controlled in local air pressure ± 2.5mmHg.
Face shield respiratory gas source in the normal pressure low oxygen cabin is provided by the enough big source of the gas cabin of volume, the source of the gas cabin is provided with the source of the gas input pipe, air-flow efferent duct and face shield connector, this routine source of the gas cabin is arranged in the normal pressure low oxygen cabin, its source of the gas input pipe and air-flow the efferent duct pipeline by separately respectively lead to normal pressure low oxygen out of my cabin, wherein the source of the gas input pipe is used for importing the breathing gas that oxygen concentration is higher than oxygen concentration in the normal pressure low oxygen cabin out of my cabin from hypoxemia, this example is directly to be communicated with atmosphere, input normal pressure low oxygen surrounding air out of my cabin, the air-flow efferent duct is to be connected with the external lower-powered air extractor in cabin, to guarantee the gas displacement in the source of the gas cabin.
The source of the gas cabin is provided with the differential pressure measurement display unit that detects source of the gas cabin inner chamber and normal pressure low oxygen cabin inner chamber draught head, this device can supply manual observation, also can be connected with central control unit, the rate of air sucked in required that shows control source of the gas cabin air extractor by central control unit according to pressure reduction, so that the pressure reduction in two cabins is not excessive, guarantee that simultaneously the gas concentration lwevel in the source of the gas cabin is not too high.
If require the oxygen concentration of input source of the gas to be higher than 21%, then need source of the gas input pipe with the source of the gas cabin to be connected to out of my cabin high oxygen source device (referring to Fig. 3), because of the hyperoxia source of the gas has malleation, so the air-flow efferent duct in source of the gas cabin directly is communicated with the gas displacement that can realize in the source of the gas cabin with atmosphere at this moment.
Face shield in the normal pressure low oxygen cabin is connected with the source of the gas cabin with exhaust tube by air intake duct respectively, be respectively equipped with air intake duct check valve and exhaust tube check valve on air intake duct and the expiration pipeline, and being respectively equipped with on-off valve, on-off valve only just is opened when face shield is breathed at needs.
In actual motion, the air extractor that normal pressure low oxygen cabin and source of the gas cabin are provided with can be used for regulating the pressure in two cabins, by the gas displacement function make exhaled by instruction person in the accumulation of contained CO2 composition in two cabins be lower than specified standard respectively, the regulation of this example is that the CO2 accumulation should be lower than 0.5% in two cabins, when detecting CO2 and be higher than this value, can strengthen rate of air sucked in required, improve the displacement flow of gas.
Claims (8)
1. the normal pressure low oxygen cabin is used in the intermittence low-oxygen training, is provided with the normal pressure low oxygen cabin with gas displacement function, and this normal pressure low oxygen cabin is communicated with source nitrogen by flow control component and flow measurement parts, and is connected with air extractor; Be provided with the measured oxygen concentration device that is connected with central control unit, be used to measure the oxygen concentration in the normal pressure low oxygen cabin, described flow measurement parts are connected with the central control unit input, and the control end of central control unit is electrically connected with flow control component; Also be provided with closed source of the gas cabin with gas displacement function, be provided with in the normal pressure low oxygen cabin for being breathed the face shield of usefulness by instruction person, face shield is respectively by air intake duct check valve and on-off valve, and exhaust tube check valve and on-off valve be communicated with the source of the gas cabin, and the source of the gas cabin is provided with source of the gas input pipe and air-flow efferent duct.
2. the normal pressure low oxygen cabin is used in intermittence low-oxygen training according to claim 1, it is characterized in that be provided with the differential pressure measurement parts that are used to measure inside and outside, normal pressure low oxygen cabin draught head, the differential pressure measurement parts are connected with central control unit.
3. the normal pressure low oxygen cabin is used in intermittence low-oxygen training according to claim 1, it is characterized in that described source of the gas cabin is provided with the differential pressure measurement device that detects source of the gas cabin inner chamber and normal pressure low oxygen cabin inner chamber draught head.
4. use the normal pressure low oxygen cabin according to claim 1,2 or 3 described intermittence low-oxygen training, it is characterized in that described source of the gas cabin source of the gas input pipe is communicated with atmosphere, the air-flow efferent duct is connected with air extractor.
5. use the normal pressure low oxygen cabin according to claim 1,2 or 3 described intermittence low-oxygen training, it is characterized in that described source of the gas cabin source of the gas input pipe is connected with the hyperoxia source of the gas, the air-flow efferent duct is communicated with atmosphere.
6. the described device of claim 1-5 is regulated the method for oxygen concentration in the hypoxemia cabin, it is characterized in that: the gas leakage point that utilizes the normal pressure low oxygen cabin to exist can produce under the situation that has pressure reduction inside and outside the cabin that gas exchanges and magnitude of pressure differential can determine the characteristics of air leakage rate, regulate in the normal pressure low oxygen cabin and out of my cabin pressure differential with the method for relative size between control input nitrogen amount and the rate of air sucked in required, thereby realize by regulating the function that the ratio of nitrogen amount and air capacity realizes regulating oxygen concentration in the normal pressure low oxygen cabin in the cabin.
7. the method for oxygen concentration in the adjusting hypoxemia according to claim 6 cabin, it is characterized in that: by the nitrogen amount of control input and the relative size between the rate of air sucked in required, air pressure in the normal pressure low oxygen cabin is controlled at local atmospheric one up and down in the less excursion value, in this differential pressure range, by regulating the oxygen concentration in the nitrogen flow control normal pressure low oxygen cabin.
8. the method for oxygen concentration in the adjusting hypoxemia according to claim 6 cabin, it is characterized in that: when the normal pressure low oxygen cabin will be from normal oxygen condition when hypoxia be changed, close air extractor earlier, air in the gas leakage point displacement cabin that the nitrogen of utilization input and cabin body exist, oxygen concentration in the cabin is reduced, when the hypoxemia level reaches setting value, open air extractor again, make the negative pressure that is in the cabin to a certain degree, then under the state that keeps negative pressure, by regulating nitrogen flow, make that oxygen concentration meets setting value in the cabin.
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Cited By (11)
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| CN103309367A (en) * | 2013-05-27 | 2013-09-18 | 中国人民解放军空军航空医学研究所 | Method for controlling stable atmospheric-pressure type low-oxygen gas environment |
| CN105534491A (en) * | 2015-09-28 | 2016-05-04 | 首都医科大学宣武医院 | Pre-adaptation training system based on high-concentration oxygen and low-concentration oxygen combination |
| CN105662753A (en) * | 2016-01-12 | 2016-06-15 | 中国人民解放军军事医学科学院基础医学研究所 | Intermittent hypoxia method and application thereof in aspect of improving cognitive function |
| CN106974741A (en) * | 2017-03-23 | 2017-07-25 | 首都医科大学附属北京安贞医院 | Purposes of the intermittence low-oxygen system in aneurysm of thoracic aorta therapeutic system |
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| CN112856665A (en) * | 2020-12-31 | 2021-05-28 | 天津森罗科技股份有限公司 | Low-oxygen training room air supply system and method |
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| CN105534491A (en) * | 2015-09-28 | 2016-05-04 | 首都医科大学宣武医院 | Pre-adaptation training system based on high-concentration oxygen and low-concentration oxygen combination |
| CN105534491B (en) * | 2015-09-28 | 2017-04-26 | 首都医科大学宣武医院 | Pre-adaptation training system based on high-concentration oxygen and low-concentration oxygen combination |
| CN105662753A (en) * | 2016-01-12 | 2016-06-15 | 中国人民解放军军事医学科学院基础医学研究所 | Intermittent hypoxia method and application thereof in aspect of improving cognitive function |
| CN106974741A (en) * | 2017-03-23 | 2017-07-25 | 首都医科大学附属北京安贞医院 | Purposes of the intermittence low-oxygen system in aneurysm of thoracic aorta therapeutic system |
| CN106974741B (en) * | 2017-03-23 | 2019-04-05 | 首都医科大学附属北京安贞医院 | Purposes of the intermittence low-oxygen system in aneurysm of thoracic aorta therapeutic device |
| CN108704276B (en) * | 2018-05-28 | 2020-01-24 | 中国人民解放军空军航空医学研究所 | Feedback type breathing training system and method for hypoxia habitual training |
| CN108704276A (en) * | 2018-05-28 | 2018-10-26 | 中国人民解放军空军航空医学研究所 | A kind of reaction type breath training system and method for hypoxic acclimatization training |
| CN111589066A (en) * | 2019-02-20 | 2020-08-28 | 爱斯佩克株式会社 | Low-oxygen air supply device and training device |
| CN109908566A (en) * | 2019-03-18 | 2019-06-21 | 吉林大学 | A kind of hypoxemia cabin, air pressure adjustment method and system |
| CN109908566B (en) * | 2019-03-18 | 2020-04-21 | 吉林大学 | Low-oxygen chamber, air pressure adjusting method and system |
| CN110575596A (en) * | 2019-09-30 | 2019-12-17 | 深圳市俄中博医医疗科技有限公司 | Intermittent high-low oxygen training system |
| CN110624219A (en) * | 2019-10-14 | 2019-12-31 | 深圳市俄中博医医疗科技有限公司 | Training equipment and system capable of promoting cell perception and adapting to oxygen change mechanism |
| CN112856665A (en) * | 2020-12-31 | 2021-05-28 | 天津森罗科技股份有限公司 | Low-oxygen training room air supply system and method |
| WO2023246910A1 (en) * | 2022-06-22 | 2023-12-28 | 青岛威奥轨道股份有限公司 | Energy-saving control method for adjusting oxygen concentration in oxygen cabin |
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