CN103626132A - Portable oxygenerator suitable for plateau section - Google Patents
Portable oxygenerator suitable for plateau section Download PDFInfo
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- CN103626132A CN103626132A CN201210307733.0A CN201210307733A CN103626132A CN 103626132 A CN103626132 A CN 103626132A CN 201210307733 A CN201210307733 A CN 201210307733A CN 103626132 A CN103626132 A CN 103626132A
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Abstract
The utility model relates to a portable oxygenerator suitable for a plateau section. A pressure detection device for a breathing end, a real-time detection device for oxygen concentration of the plateau environment, a detection device for oxygen output and an intelligent judge and control circuit are added to the portable oxygenerator suitable for plateau section based on a traditional oxygenerator. A singlechip in the intelligent judge and control circuit judges and processes output signals from the above detection devices in accordance with a piece of beforehand programmed software program and outputs control signals in time, so as to adjust the quantity of the output oxygen flow and form a pulse oxygen supply mode. Simultaneously, the power supply duty ratio of a driving motor of a compressor can be adjusted to adjust quantity of the compressed air flow, thereby further adjusting the quantity of the oxygen output flow. The output control signals can emit sound-light alarms timely. The portable oxygenerator suitable for plateau section supplies oxygen by pulses, thus the loss of oxygen in the inspiration phase and expiration last phase is avoided; and the portable oxygenerator suitable for plateau section increases the quantity of the oxygen supply flow by improving the speed of the driving motor of the compressor, thus the concentration of the output oxygen can remain unchanged at around 91% though the altitude changes.
Description
Technical field
The present invention relates to a kind of air-separating oxygen-making technology, is especially a kind of portable unit that is applicable to the separated air Preparation of oxygen of employing pressure-variable adsorption mode of highlands environment.
Background technology
China is vast in territory, and the ,Gao Mountain areas, plateau that 3000 meters of height above sea level are above account for the sixth of national total area.Highlands climate variability, cold, wind large, air rarefaction, wherein air rarefaction, normal atmosphere and oxygen partial pressure reduce, and are the principal element of altitude environment on the impact of human body body.Generation occupies the ethnic minority in highlands, altitude environment is adapted to, and for the personnel that live in all the year round low altitude area, just support 3000 meters of above highlandss, because oxygen in normal atmosphere divides reduction, alveolar air and arterial partial pressure of oxygen also reduce accordingly, and between capillary blood and cell mitochondrial, oxygen partial pressure gradient difference is dwindled, thereby causes anoxic.The impact of highlands anoxic on human body body, highlands cold, strong wind, sleet weather and strong ultraviolet radiation, become many plateaus illness and bring out and Acute aggravated factors in addition.Supplemental oxygen becomes and improves human body organism adaptation ability and the effective way that alleviates altitude sickness or even redemption life in time.
At present, existing multiple oxygen oxygen supply equipment can provide oxygen at fixed-site, but for mobile crowd, apparatus of oxygen supply in the past mainly contains oxygen bag, small oxygen gas cylinder etc.This class device needs continuous oxygenation, and oxygen capacity is limited, has both been inconvenient to use, and can not ensure oxygen supply.For this reason, all putting forth effort to research and develop Portable Oxygen generator both at home and abroad.Not only concentration is high to consider pressure-variable adsorption (PSA) method oxygen, and does not produce obnoxious flavour, therefore, by domestic and international most of Portable Oxygen generators, is all adopted the method.
Enter highlands, along with the increase of sea level elevation, air is thin gradually, and normal atmosphere reduces, and PSA oxygenerator oxygen-producing amount and concentration all will reduce, and oxygenerator performance under altitude environment is obviously declined to some extent.How under the prerequisite that does not increase Portable Oxygen generator volume weight, to keep the utilising efficiency of oxygenerator oxygen generation efficiency and oxygen, this has become Portable Oxygen generator and has entered the technical barrier that highlands use must overcome.
Summary of the invention
The object of the invention is, on the basis of existing pressure swing adsorption oxygen, to take into full account the factors that oxygenerator uses under altitude environment, a kind of Portable Oxygen generator that can better be applicable to highlands is provided.
For achieving the above object, technical thought of the present invention is, the one, and " increasing income ", regulates the oxygen output flow of oxygenerator along with the variation of sea level elevation; The 2nd, " throttling ", adopts pulse mode oxygen supply, oxygen supply when " suction ", and oxygen deprivation when " exhaling ", thus save oxygen.
Technical scheme of the present invention is, the Portable Oxygen generator formation that this kind is applicable to highlands includes, air supply system, air-seperation system, valve system, oxygen plenum system, tubing system, power-supply system, the outer row of waste gas and wet down system and cabinet housing, above-mentioned each system is installed in same cabinet enclosure interior, air supply system purifies air, pressurization, cooling, dry, the air of high pressure cleaning is sent into air-seperation system, the outer row of waste gas and wet down system are cooling by air supply system, the damp-heat air exchanging in drying process drains into outside housing, air-seperation system is discharged by the outer row of waste gas and wet down system the nitrogen of separating outside cabinet housing, air-seperation system is sent the oxygen of separating into oxygen plenum system, valve system guarantees air-seperation system oxygen separation and nitrogen, valve system also regulates the pressure of exporting oxygen in oxygen plenum system, flow, oxygen plenum system is sent the oxygen after filtering outside cabinet housing through Oxygen tube, tubing system is communicated with all gas circuits, power-supply system provides power supply for complete machine, it is characterized in that: it also includes intelligent control system in forming, this intelligent control system includes breathes terminal pressure proofing unit, altitude environment oxygen concentration proofing unit, concentration of oxygen output proofing unit, intelligent decision and pilot circuit and warning device, described breathing terminal pressure proofing unit signal output part is connected with the signal recognition circuit input terminus in above-mentioned intelligent decision and pilot circuit, micro-chip in intelligent decision and pilot circuit judges and processes the signal of signal recognition circuit output according to software program prepared in advance, and make the pilot circuit in intelligent decision and pilot circuit output control signals in real time valve system, and then the oxygen pressure flow in oxygen plenum system is carried out to real-time regulating and controlling, form pulsed oxygen supply pattern, once breathe terminal pressure proofing unit, abnormal condition detected, intelligent decision and pilot circuit output control signals to warning device, make it to send sound and light alarm prompting, the signal output part of described altitude environment oxygen concentration proofing unit and concentration of oxygen output proofing unit is connected with the signal recognition circuit input terminus in above-mentioned intelligent decision and pilot circuit, micro-chip in intelligent decision and pilot circuit judges and processes the signal of signal recognition circuit output according to software program prepared in advance, and make the pilot circuit in intelligent decision and pilot circuit output control signals in real time valve system, power-supply system, make the power supply duty ratio adjusting circuit in power-supply system can be according to the control signal of intelligent decision and pilot circuit output, in conjunction with drive-motor power supply virtual voltage, adjusting offers the dutycycle of air compression plant drive-motor input power, thereby realize the adjusting to air compression plant delivery air flow, and then realize exporting the adjusting of oxygen pressure flow.
In the technical scheme of above-mentioned oxygenerator, described air supply system includes strainer, sound damper, air compression plant, pressure-air cooling interchanger, drying filter for compressed air, damp atmosphere vaporizer, first raw air enters strainer and sound damper, be filtered, the air of sound-deadening and noise-reducing enters air compression plant again, first compressed air cools in pressure-air cooling interchanger, the pressurized air of lowering the temperature that is cooled enters in drying filter for compressed air dry again, be cooled and be admitted to air-seperation system with dried pressurized air, and the damp-heat air exchanging from pressure-air cooling interchanger is forced to discharge oxygenerator chassis shell external body by fan, and the damp atmosphere filtering out from drying filter for compressed air is admitted to damp atmosphere vaporizer, the damp atmosphere that evaporation forms is also forced to discharge oxygenerator chassis shell external body by fan.
In the technical scheme of above-mentioned oxygenerator, described air compression plant includes micro-piston-type flying wheel compressor, external rotor brushless adjustable frequency motor and driving power, the flying wheel of the power output shaft integral drive micro-piston-type flying wheel compressor of external rotor brushless adjustable frequency motor, flying wheel becomes the rotation of motor power output shaft the to-and-fro movement of micro-piston-type flying wheel compressor piston rod on the one hand, also played on the other hand and reduced vibration, reduce the effect of mechanical noise, regulate the dutycycle of driving power can realize the adjusting to compressor air output flow.
In the technical scheme of above-mentioned oxygenerator, described air-seperation system includes pressure-variable adsorption tripping device and oxygen stowage arrangement, pressure-variable adsorption tripping device is two adsorption tower zeolite molecular sieve air separation plants, under the control of valve system, the pressurized air of cooling drying alternately reciprocally enters adsorption tower and passes zeolite molecular sieve, the collecting oxygen of separating is sent in oxygen stowage arrangement, and the nitrogen of separating is discharged outside cabinet housing by fan.
In the technical scheme of above-mentioned oxygenerator, described oxygen plenum system includes oxygen pressure flow regulation device, oxygen filtration purifier, oxygen conveying pipe, under the effect of valve system regulating and controlling, the adjustable oxygen of oxygen pressure flow regulation device output pressure flow, after oxygen biofilter filters, by oxygen conveying pipe, be delivered to human body respiration organ again.
In the technical scheme of above-mentioned oxygenerator, described cabinet housing is rectangular parallelepiped, by top board, left plate, right side plate and casing form, air filtration box is arranged at casing front panel, air silencer and air filtration box are fixed, raw air first filters through air filtration box, enter again air silencer and reduce noise, air compressor and drive-motor, two adsorption towers of pressure-variable adsorption tripping device are fixed on the damping of bottom half, the air outlet of air filtration box and the inlet mouth of air silencer pass through soft pipe connection, the air outlet of air silencer and the inlet mouth of air compressor are by soft pipe connection, all valves of valve system form a valve composite module, this valve composite module is fixed on the attached top of tower of double suction, the oxygen delivery port of two adsorption towers by soft pipe connection in the oxygen inlet mouth of valve composite module, valve composite module oxygen air outlet is communicated with the inlet mouth of a three-way hose, oxygen concentration sensor is sent small portion oxygen in an arm air outlet of this three-way hose, another arm of this three-way hose is oxygen output tube, in this arm, be provided with throttling valve, the effect of this throttling valve is when two adsorption tower absorption and blowback, particularly during blowback, can the partial oxidation flow of institute's output be control effectively and be saved, this throttling valve is controlled automatically by master control circuit board, this oxygen output arm air outlet is communicated with oxygen filtration purifier, oxygen filtration purifier is exported oxygen through breathing hose, lithium cell group is arranged on the lithium cell at casing back and places in cavity, oxygen concentration sensor is fixed on the horizontal frame below on casing top, master control circuit board is fixed on the horizontal frame top on casing top, thin film switch panel, report to the police and status indicator lamp circuit card, liquid-crystal display board component is fixed on top board inner side, left plate and right side plate inwall are provided with sound-absorbing sponge, fan is arranged at right side plate disposed at air vent, oxygen output terminal is arranged at the top of casing front panel, power switch is arranged at the top of cabinet rear panel.
In the technical scheme of above-mentioned oxygenerator cabinet housing, described damping includes compressor adsorber base, damping spacer, seal washer, compressor damping pad, compressor fixed support, nylon sling, compressor adsorber base and box bottom are fixed, compressor damping pad is arranged at above compressor adsorber base, compressor fixed support is arranged on above compressor damping pad, compressor adsorber base one side is provided with two damping spacers, compressor fixed support one side by damping spacer and compressor adsorber base be can up-down vibration state be connected, the support bracket fastened opposite side of compressor is by nylon sling, compressor fixed support is connected with compressor adsorber base, compressor damping pad is positioned at the centre of compressor fixed support and compressor adsorber base, compressor and drive-motor integral body are fixed on compressor fixed support top, seal washer is arranged in the groove of compressor adsorber base, double tower adsorber bottom matches to merge with seal washer and is fixed in compressor adsorber base.
Below in conjunction with accompanying drawing 1, systematically introduce system of the present invention and form and principle of work.
Air supply system I include raw air strainer 11, raw air sound damper 12, air compression plant 13 by air compressor and drive-motor form, pressure-air cooling interchanger 14, silencing and damping mechanism 15, drying filter for compressed air 16, damp atmosphere vaporizer 17.First raw air filters through raw air strainer 11, incoming stock air silencer 12 reduces noise again, drive-motor in air compression plant 13 drives air compressor work, high pressure-temperature highly humid air through air compressor compression is lowered the temperature at pressure-air cooling interchanger 14, the warm air exchanging is expelled in cabinet, high-pressure air after cooling is dry in drying filter for compressed air 16 again, the moisture content that drying process produces flashes to gas in damp atmosphere vaporizer 17, and discharge in cabinet, the satisfactory high-pressure air of humiture is sent into air-seperation system II, and the warm air 71 being expelled in casing is discharged outside casing outside fan 73 brute forces.
Air-seperation system II is comprised of pressure-variable adsorption tripping device (PSA) 21 and oxygen stowage arrangement 22, the method of pressure-variable adsorption tripping device 21 separated air is to utilize zeolite molecular sieve to increase and the different characterization of adsorption of adsorptive capacity to nitrogen and oxygen under same gas pressure with gaseous tension gas adsorption amount, thereby takes the circulation technology of High Pressure Absorption, low pressure desorb from air, to isolate oxygen.In order to increase the rate of recovery and oxygen purity, in the circulation technology of PSA Portable Oxygen generator, generally have and all press step (particularly go up and all press step) and blowback step.The nitrogen 72 of separating is discharged in casing, by fan 73, is forced to be discharged to outside casing, and the oxygen of separating enters oxygen plenum system IV through valve system III.
In oxygen plenum system IV, under the control and regulating effect of valve system III, the pressure flow of oxygen pressure flow regulation device 41 real-time regulation output oxygen, output oxygen is exported after oxygen filtration purifier 42, through breathing hose, to breathing, holds.
Intelligent control system V is the integral part of the tool feature of the present invention, it has comprised three kinds of sensors, it is altitude environment oxygen concentration sensor 52, breathe terminal pressure sensor 53, output oxygen sensor 54, from these three kinds of sensor output signals, through intelligent decision and pilot circuit 51, process, judge and produce three tunnel control signals, wherein, first via control signal is associated with altitude environment oxygen concentration changing value, this road control signal is delivered to the power supply duty ratio adjusting circuit 61 in power-supply system VI, by regulating the rotating speed of drive-motor in power supply dutycycle indirect regulation air supply system I, thereby regulate the size of air compressor delivery air flow, like this, variation along with oxygenerator sea level elevation of living in, the oxygen flow of oxygenerator can correspondingly change thereupon.The second tunnel control signal is associated with breathing terminal pressure changing value, this road control signal is delivered to valve composite module 31, by switch and the regulating effect of valve composite module, form the pulse oxygen supply mode of oxygen output terminal, thereby avoid expiration phase and air-breathing latter end oxygen loss, realization can make user's blood oxygen saturation obviously increase with a small amount of oxygen supply, has made up Portable Oxygen generator and at highlands continuous flow, has been generally less than the restriction of 1L/m in.Third Road control signal is associated with output oxygen parameter changing value, and when the output that does not reach regulation when output oxygen requires, intelligent decision and pilot circuit output control signals to warning circuit 55, produce sound and light alarm, and prompting user notes.
Power-supply system VI has comprised power supply duty ratio adjusting circuit 61, chargeable lithium cell 62, power supply adaptor 63.Do not possessing Alternating Current Power Supply occasion, chargeable lithium cell 62 provides needed direct supply for oxygenerator.Possessing Alternating Current Power Supply occasion, power supply adaptor 63 can directly be transformed to alternating-current the needed direct supply of oxygenerator, and while power supply adaptor 63 also can be chargeable lithium cell 62 and charges.61 energy of power supply duty ratio adjusting circuit are according to the control signal of intelligent decision and pilot circuit 51 outputs, determine suitable voltage duty cycle, and then drive motor for compressor power supply is carried out to PWM width modulation, thereby realize the regulating and controlling to drive motor for compressor rotating speed.
The outer row of waste gas and cooling system VII major portion are fans 73, this fan 73 is forced to discharge outside casing by the warm air of box house 71 and isolated nitrogen 72, meanwhile, the air of casing outside sucks in casing from the inlet mouth screen of casing front and back panel, thereby has reduced the temperature and humidity of box house.
Reducing vibrations and reducing noise is that Portable Oxygen generator of the present invention is puted forth effort another technical problem solving.A main source of vibrations is air compressor and the drive-motor in air compression plant 13, and the present invention has carried out mechanical shock absorption structure design effectively, between box bottom and vibration component, is provided with damping.
Advantage of the present invention is:
1, the oxygenous method of the present invention is pressure swing adsorption air partition method.The method utilizes zeolite molecular sieve gas adsorption amount is increased with gaseous tension and to the different characterization of adsorption of adsorptive capacity of nitrogen and oxygen, take the circulation technology of High Pressure Absorption, low pressure desorb from air, to isolate oxygen under same gas pressure.In order to increase the rate of recovery and oxygen purity, in the circulation technology of PSA Portable Oxygen generator, generally have and all press step (particularly go up and all press step) and blowback step.
2, Portable Oxygen generator of the present invention has been taked pulsed oxygen therapy mode, avoid expiration phase and air-breathing latter end oxygen loss, a small amount of oxygen supply can make user's blood oxygen saturation obviously increase, and has made up Portable Oxygen generator and at highlands continuous flow, has been generally less than the restriction of 11/m in.According to physiology of respiration, learn principle, the exchange efficiency that oxygen enters in little alveolar sac than in bulla capsule is high, and therefore, Portable Oxygen generator is at the air-breathing extremely early stage oxygen of exporting at a high speed, oxygen enters rapidly in little alveolar sac, avoids resting in tracheae and bulla capsule.The present invention takes pulsed oxygen supply mode, is equal to the 5L/min of continuous flow less than the oxygen of 900mL in result of use.
3, Portable Oxygen generator of the present invention is by regulating the duty of drive motor for compressor power supply recently to regulate and improving the oxygen flow that drive motor for compressor rotating speed increases oxygenerator, oxygenerator of the present invention can be increased with sea level elevation, oxygen flow slightly increases, oxygen concentration does not change with the variation of height above sea level substantially, roughly maintains 91% left and right.
4, there is obvious energy-saving effect in Portable Oxygen generator of the present invention, and in order not work in the situation that there is no network source, Portable Oxygen generator of the present invention, except configuration vehicle power, is also furnished with built-in chargeable lithium cell.In order to make internal battery as far as possible long each duration of service, Portable Oxygen generator is provided with several gears, and the corresponding flow of each gear is different, and energy consumption is also different, user can select suitable gear as required, and do not need to be under any circumstance all in running under maximum energy consumption, does not use.When output pressure is identical, rotating speed is slower, and energy consumption is less.Portable Oxygen generator is under the less gear of oxygen flow, and electric moter voltage dutycycle reduces, and with narrow pulsewidth input, the free air delivery of compressor also can correspondingly reduce, and virtual voltage reduces, and energy consumption reduces.
Accompanying drawing explanation
Fig. 1 is that Portable Oxygen generator system of the present invention forms and principle of work schematic diagram.
Fig. 2 is structural representation after Portable oxygen-preparing box body of the present invention.
Fig. 3 is Portable oxygen-preparing box body right flank structural representation of the present invention, is the right view of Fig. 2.
Fig. 4 is Portable oxygen-preparing box body left surface structural representation of the present invention, is the left view of Fig. 2.
Fig. 5 is Portable Oxygen generator internal structure scheme of installation of the present invention (opening left plate).
Fig. 6 is the local scheme of installation (opening right side plate) of Portable Oxygen generator internal structure of the present invention.
Fig. 7 is the structural representation of Portable Oxygen generator right side plate medial surface of the present invention.
Fig. 8 is Portable Oxygen generator box shape schematic perspective view of the present invention.
Fig. 9 is Portable Oxygen generator compressor adsorber damping partial schematic diagram of the present invention.
Figure 10 is Portable Oxygen generator compressor adsorber base of the present invention and damping schematic diagram.
In above accompanying drawing, I is air supply system, wherein, the 11st, raw air strainer, the 12nd, raw air sound damper, the 13rd, air compression plant, the 14th, pressure-air cooling interchanger, 15Shi silencing and damping mechanism, the 16th, drying filter for compressed air, the 17th, damp atmosphere vaporizer, II is air-seperation system, the 21st, pressure-variable adsorption tripping device (PSA), the 22nd, oxygen stowage arrangement, III is valve system, the 31st, valve composite module, IV oxygen plenum system, wherein, the 41st, oxygen pressure flow regulation device, the 42nd, oxygen filtration purifier, the 43rd, oxygen delivery port, V is intelligent control system, wherein, the 51st, intelligent decision and pilot circuit, the 52nd, altitude environment oxygen concentration sensor, the 53rd, breathe terminal pressure sensor, the 54th, output oxygen sensor, the 55th, warning circuit, VI is power-supply system, wherein, the 61st, power supply duty ratio adjusting circuit, the 62nd, chargeable lithium cell, the 63rd, power supply adaptor, VII is the outer row of waste gas and cooling system, wherein, the 71st, warm air, the 72nd, isolated nitrogen, the 73rd, fan, the 101st, master control circuit board, the 102nd, casing upper level framework, the 103rd, inlet air filtration chamber box, the 104th, sourdine, the 105th, air compressor, the 106th, drive-motor, the 107th, two adsorption towers, the 108th, lithium battery cover plate after casing, the 109th, lithium cell is placed cavity, the 110th, valve composite module, the 111st, power supply deck of boat switch, the 112nd, handle, 113 display panels, the 114th, oxygen output port, the 115th, oxygen concentration sensor, the 116th, the sound-absorbing sponge of side plate inwall, the 117th, fan, the 118th, safety fuse, the 119th, air inlet grid plate, the 120th, external electric supply socket hole, the 121st, compressor fixed support, the 122nd, damping spacer, the 123rd, compressor adsorber base, the 124th, nylon sling, the 125th, compressor damping pad, the 126th, seal washer.
Embodiment
Embodiment mono-:
The profile of the present embodiment Portable Oxygen generator is as shown in accompanying drawing 2, Fig. 3, Fig. 4, Fig. 7 and Fig. 8.Fig. 2 describes be the present embodiment casing just after, oxygenerator power supply deck of boat switch 111 be arranged on casing just after, unload lower box battery cavity cover plate 108 just below, lithium cell also can be encased in battery cavity 109 from behind.What Fig. 3 described is the right flank of the present embodiment casing, the horizontal groove of right side plate both sides becomes the inlet mouth of outside air, one group of little round tube hole under right side plate middle part takes over is the relief outlet of gas in casing, and fan is arranged on right side plate inside over against this group roundlet lead to the hole site.Fig. 7 has described the medial surface structure of right side plate, and fan 117 is fixed on right side plate inner side, and right side plate inwall is pasted with sound-absorbing sponge 116, and safety fuse 118 is arranged on right side plate bottom.What Fig. 4 described is the left surface of the present embodiment casing.As shown in Figure 8, oxygen output port 114 is arranged on casing top just above to the present embodiment profile solid, and raw air is through the groove of the positive forward, central part air inlet grid plate 119 of casing, enters into screen inlet air filtration chamber box 103 below.
The present embodiment Portable Oxygen generator internal structure is as shown in accompanying drawing 5 and accompanying drawing 6.Fig. 5 opens the shown interior spatial structure schematic diagram of casing left plate.Inlet air filtration chamber box 103 is fixed on the positive front panel of casing, sourdine 104 is fixed on inlet air filtration chamber box 103, sourdine 104 air outlets are sent in air compressor 105 through flexible pipe, air compressor 105, drive-motor 106 and pressure-variable adsorption double tower 107 are fixed on the damping of bottom half, master control circuit board 101 is arranged on above the horizontal frame 102 of casing internal upper part, 115 belows that are fixed on horizontal frame 102 of oxygen concentration sensor, valve composite module 110 is arranged on the top of two adsorption towers 107, open lithium battery cover plate 108 after casing, lithium cell can be inserted to lithium cell places in cavity 109, display panel 112 is fixed on above lamina tecti, indicator light circuit plate, LCD panel external member is fixed on the below of lamina tecti.
As shown in Figure 7, right side plate inwall is pasted with sound-absorbing sponge 115 in the inside of the present embodiment Portable Oxygen generator right side plate, and outer exhaust fan 116 is fixed on side plate middle part, and safety fuse 117 is arranged on side inferior horn.Left plate inwall is also pasted with sound-absorbing sponge.
The present embodiment also puts forth effort to have solved vibrations and the noise reduction problem of air compression plant, specific practice is, at air compressing motor spindle, be provided with damping, as shown in accompanying drawing 9 and accompanying drawing 10, this damping includes compressor adsorber base 123, damping spacer 122, seal washer 126, compressor damping pad 125, compressor fixed support 121, nylon sling 124
Most of vibration energy that the present embodiment damping produces in the time of sponging the running of compressor adsorber, cabinet wall sound-absorbing sponge can play the low noise effect of falling.
In the present embodiment, when user's eupnea, pressure in Oxygen tube can be along with the fluctuations of the rhythm Development pattern of breathing, the pressure transmitter being arranged in master control circuit board 101 can capture the pressure change in Oxygen tube sensitively, during user's oxygen uptake, pressure transmitter can detect negative pressure, when user exhales, pressure transmitter can detect malleation, pressure transmitter will with user's breath rhythm, the change value of pressure that breathing state is associated is converted into analog electrical signal, and after the amplification and analog to digital conversion of electronic circuit, be sent to again in intelligent control circuit, in micro-chip in intelligent control circuit, set in advance software program, this software program can be according to the sequential point of respiratory pressure electrical signal size and the different pressures that detects, breathing pattern to this breather judges, determine user's breath rhythm and breathing state, and then output real-time control signal, to controlling the electrovalve of oxygen flow, control and regulate, thereby realize automatic oxygen supply of intake period, the expiration phase stops sending the pulsed oxygen supply mode of oxygen automatically, reduce the unnecessary consumption of oxygen, make the Portable oxygen-preparing function of identical oxygen generation efficiency in highlands, reach better oxygen supply effect.Through actual measurement, take pulsed oxygen supply mode, less than the oxygen of 900mL, in result of use, be equal to the result of use of the 5L/min of continuous flow.
Embodiment bis-:
The internal structure of the present embodiment oxygenerator and above-described embodiment one are basic identical, and difference is to have increased oxygen concentration sensor 115, thereby can carry out real-time detection to altitude environment oxygen concentration and oxygenerator concentration of oxygen output.
When oxygenerator is not exported oxygen, oxygen output tube road is communicated with ambient atmosphere, now, oxygen concentration sensor 115 can be converted to the variation of external environment air oxygen concentration value the variation of electrical signal, and this electrical signal is delivered to the signal recognition circuit in intelligent control system after amplification and analog to digital conversion, micro-chip in intelligent control system judges and processes the oxygen concentration value signal of signal recognition circuit output according to software program prepared in advance, and make the pilot circuit in intelligent control system export in real time control signal, this control signal inputs to power supply duty ratio adjusting circuit, this power supply duty ratio adjusting circuit is controlled d. c. voltage signal by intelligent control system output the voltage of supply of lithium rechargeable batteries is carried out to width modulation, thereby regulate air compressor drive-motor rotating speed, and then the flow that regulates pressurized air to export, realized output oxygen flow simultaneously, the adjusting of oxygen partial pressure power.
When oxygenerator output high-concentration oxygen, the concentration value that 115 energy of oxygen concentration sensor are exported oxygen by oxygenerator changes the variation that is converted to electrical signal, and by this electrical signal through amplify and analog to digital conversion after pass to the signal recognition circuit in intelligent control system, micro-chip in intelligent control system judges and processes the oxygen concentration value signal of signal recognition circuit output according to software program prepared in advance, and make the pilot circuit in intelligent control system export in real time control signal, on display panel, show in real time concentration of oxygen output value, simultaneously when concentration of oxygen output value lower than set normal concentration value time, pilot circuit in intelligent control system is to warning device output signal, carry out sound and light alarm prompting.
The present embodiment can be with the variation of altitude environment air pressure, automatically also effectively change the flow of air compressor delivery air, make oxygenerator in a kind of, can guarantee effective oxygen supply all the time, can save again the use state of electric energy, this is for the Portable Oxygen generator of emphasis power consumption, particularly important.
Embodiment tri-:
The internal structure of the present embodiment oxygenerator and above-described embodiment one are basic identical, and difference is in power supply duty ratio adjusting circuit, to have increased manual gear setter.The gear that micro-chip in intelligent control system is set according to this manual gear setter determines that this gear correspondence is to the direct-current control voltage of power supply duty ratio adjusting circuit output, and the lithium rechargable battery virtual voltage comparison measuring with power supply duty ratio adjusting circuit, calculating voltage actuate signal dutycycle, in PWM mode, from micro-chip pin, export, through low-pass filter, be converted into volts DS, the DC voltage control signal that power supply duty ratio adjusting circuit is sent into by intelligent system carries out width modulation to the driving voltage of lithium rechargeable batteries, according to user's actual needs, regulate the output flow of air compressor, when if manual gear is constant, stable air compressor output flow, when gear changes, the corresponding change of air compressor output flow.
The present embodiment is compared with embodiment bis-, is manually to control Portable Oxygen generator oxygen output flow by user, and like this, user can, according to the physical appearance of controlling oneself, select most suitable oxygen work output.In height above sea level lower, user can manually change gear, suitably turns the oxygen work output of oxygenerator down, to avoid unnecessary power consumption, extends the duration of service that this oxygenerator once charges.
Claims (7)
1. a Portable Oxygen generator that is applicable to highlands, its formation includes, air supply system, air-seperation system, valve system, oxygen plenum system, tubing system, power-supply system, the outer row of waste gas and wet down system and cabinet housing, above-mentioned each system is installed in same cabinet enclosure interior, air supply system purifies air, pressurization, cooling, dry, the air of high pressure cleaning is sent into air-seperation system, the outer row of waste gas and wet down system are cooling by air supply system, the damp-heat air exchanging in drying process drains into outside housing, air-seperation system is discharged by the outer row of waste gas and wet down system the nitrogen of separating outside cabinet housing, air-seperation system is sent the oxygen of separating into oxygen plenum system, valve system guarantees air-seperation system oxygen separation and nitrogen, valve system also regulates the pressure of exporting oxygen in oxygen plenum system, flow, oxygen plenum system is sent the oxygen after filtering outside cabinet housing through Oxygen tube, tubing system is communicated with all gas circuits, power-supply system provides power supply for complete machine, it is characterized in that: it also includes intelligent control system in forming, this intelligent control system includes breathes terminal pressure proofing unit, altitude environment oxygen concentration proofing unit, concentration of oxygen output proofing unit, intelligent decision and pilot circuit and warning device, described breathing terminal pressure proofing unit signal output part is connected with the signal recognition circuit input terminus in above-mentioned intelligent decision and pilot circuit, micro-chip in intelligent decision and pilot circuit judges and processes the signal of signal recognition circuit output according to software program prepared in advance, and make the pilot circuit in intelligent decision and pilot circuit output control signals in real time valve system, and then the oxygen pressure flow in oxygen plenum system is carried out to real-time regulating and controlling, form pulsed oxygen supply pattern, once breathe terminal pressure proofing unit, abnormal condition detected, intelligent decision and pilot circuit output control signals to warning device, make it to send sound and light alarm prompting, the signal output part of described altitude environment oxygen concentration proofing unit and concentration of oxygen output proofing unit is connected with the signal recognition circuit input terminus in above-mentioned intelligent decision and pilot circuit, micro-chip in intelligent decision and pilot circuit judges and processes the signal of signal recognition circuit output according to software program prepared in advance, and make the pilot circuit in intelligent decision and pilot circuit output control signals in real time valve system, power-supply system, make the power supply duty ratio adjusting circuit in power-supply system can be according to the control signal of intelligent decision and pilot circuit output, in conjunction with drive-motor power supply virtual voltage, adjusting offers the dutycycle of air compression plant drive-motor input power, thereby realize the adjusting to air compression plant delivery air flow, and then realize exporting the adjusting of oxygen pressure flow.
2. a kind of Portable Oxygen generator that is applicable to highlands according to claim 1, it is characterized in that: described air supply system includes strainer, sound damper, air compression plant, pressure-air cooling interchanger, drying filter for compressed air, damp atmosphere vaporizer, first raw air enters strainer and sound damper, be filtered, the air of sound-deadening and noise-reducing enters air compression plant again, first compressed air cools in pressure-air cooling interchanger, the pressurized air of lowering the temperature that is cooled enters in drying filter for compressed air dry again, be cooled and be admitted to air-seperation system with dried pressurized air, and the damp-heat air exchanging from pressure-air cooling interchanger is forced to discharge oxygenerator chassis shell external body by fan, and the damp atmosphere filtering out from drying filter for compressed air is admitted to damp atmosphere vaporizer, the damp atmosphere that evaporation forms is also forced to discharge oxygenerator chassis shell external body by fan.
3. a kind of Portable Oxygen generator that is applicable to highlands according to claim 1, it is characterized in that: described air compression plant includes micro-piston-type flying wheel compressor, external rotor brushless adjustable frequency motor and driving power, the flying wheel of the power output shaft integral drive micro-piston-type flying wheel compressor of external rotor brushless adjustable frequency motor, flying wheel becomes the rotation of motor power output shaft the to-and-fro movement of micro-piston-type flying wheel compressor piston rod on the one hand, also played on the other hand and reduced vibration, reduce the effect of mechanical noise, regulate the dutycycle of driving power can realize the adjusting to compressor air output flow.
4. a kind of Portable Oxygen generator that is applicable to highlands according to claim 1, it is characterized in that: described air-seperation system includes pressure-variable adsorption tripping device and oxygen stowage arrangement, pressure-variable adsorption tripping device is two adsorption tower zeolite molecular sieve air separation plants, under the control of valve system, the pressurized air of cooling drying alternately reciprocally enters adsorption tower and passes zeolite molecular sieve, the collecting oxygen of separating is sent in oxygen stowage arrangement, and the nitrogen of separating is discharged outside cabinet housing by fan.
5. a kind of Portable Oxygen generator that is applicable to highlands according to claim 1, it is characterized in that: described oxygen plenum system includes oxygen pressure flow regulation device, oxygen filtration purifier, oxygen conveying pipe, under the effect of valve system regulating and controlling, the adjustable oxygen of oxygen pressure flow regulation device output pressure flow, after oxygen biofilter filters, by oxygen conveying pipe, be delivered to human body respiration organ again.
6. a kind of Portable Oxygen generator that is applicable to highlands according to claim 1, it is characterized in that: described cabinet housing is rectangular parallelepiped, by top board, left plate, right side plate and casing form, air filtration box is arranged at casing front panel, air silencer and air filtration box are fixed, raw air first filters through air filtration box, enter again air silencer and reduce noise, air compressor and drive-motor, two adsorption towers of pressure-variable adsorption tripping device are fixed on the damping of bottom half, the air outlet of air filtration box and the inlet mouth of air silencer pass through soft pipe connection, the air outlet of air silencer and the inlet mouth of air compressor are by soft pipe connection, all valves of valve system form a valve composite module, this valve composite module is fixed on the attached top of tower of double suction, the oxygen delivery port of two adsorption towers by soft pipe connection in the oxygen inlet mouth of valve composite module, valve composite module oxygen air outlet is communicated with the inlet mouth of a three-way hose, oxygen concentration sensor is sent small portion oxygen in an arm air outlet of this three-way hose, another arm of this three-way hose is oxygen output tube, in this arm, be provided with throttling valve, this arm air outlet is communicated with oxygen filtration purifier, oxygen filtration purifier is exported oxygen through breathing hose, lithium cell group is arranged on the lithium cell at casing back and places in cavity, oxygen concentration sensor is fixed on the horizontal frame below on casing top, master control circuit board is fixed on the horizontal frame top on casing top, thin film switch panel, report to the police and status indicator lamp circuit card, liquid-crystal display board component is fixed on top board inner side, left plate and right side plate inwall are provided with sound-absorbing sponge, fan is arranged at right side plate disposed at air vent, oxygen output terminal is arranged at the top of casing front panel, power switch is arranged at the top of cabinet rear panel.
7. a kind of Portable Oxygen generator that is applicable to highlands according to claim 6, it is characterized in that: described damping includes compressor adsorber base, damping spacer, seal washer, compressor damping pad, compressor fixed support, nylon sling, compressor adsorber base and box bottom are fixed, compressor damping pad is arranged at above compressor adsorber base, compressor fixed support is arranged on above compressor damping pad, compressor adsorber base one side is provided with two damping spacers, compressor fixed support one side by damping spacer and compressor adsorber base be can up-down vibration state be connected, the support bracket fastened opposite side of compressor is by nylon sling, compressor fixed support is connected with compressor adsorber base, compressor damping pad is positioned at the centre of compressor fixed support and compressor adsorber base, compressor and drive-motor integral body are fixed on compressor fixed support top, seal washer is arranged in the groove of compressor adsorber base, double tower adsorber bottom matches to merge with seal washer and is fixed in compressor adsorber base.
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| CN104906671A (en) * | 2015-06-12 | 2015-09-16 | 上海旭旦实业有限公司 | Self-adaptive altitude stress eliminating system |
| CN105110298A (en) * | 2015-08-20 | 2015-12-02 | 贵阳活性源环保产业有限公司 | Bluetooth precisely controlled pressure stabilizing output oxygenerator |
| CN105561498A (en) * | 2015-10-10 | 2016-05-11 | 唐孝明 | Method for solving low-air-pressure oxygen deficit of plateau section |
| CN105858612A (en) * | 2016-03-31 | 2016-08-17 | 中国人民解放军军事医学科学院卫生装备研究所 | Parallel-operation constant pressure altitude adaptive adsorption oxygenerator and oxygen production method |
| CN105944576A (en) * | 2016-06-28 | 2016-09-21 | 深圳中物兴华科技发展有限公司 | Oxygen supply equipment |
| CN105967147A (en) * | 2016-07-08 | 2016-09-28 | 上海东方压缩机厂有限公司 | Device for preparing and collecting oxygen |
| CN106806999A (en) * | 2017-01-13 | 2017-06-09 | 酷灵电子有限公司 | Electronic control circuit and oxygen supply equipment for alleviating altitude sickness |
| CN106927425A (en) * | 2015-12-31 | 2017-07-07 | 青岛道空优科技有限公司 | A kind of plateau High aititude oxygenerating technology |
| CN106932010A (en) * | 2015-12-29 | 2017-07-07 | 青岛道空优科技有限公司 | A kind of High aititude oxygenerator self-checking system |
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| CN111457959A (en) * | 2020-04-09 | 2020-07-28 | 安徽西玛科光电科技有限公司 | Medical oxygen generation controller |
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| CN104906671A (en) * | 2015-06-12 | 2015-09-16 | 上海旭旦实业有限公司 | Self-adaptive altitude stress eliminating system |
| CN105110298A (en) * | 2015-08-20 | 2015-12-02 | 贵阳活性源环保产业有限公司 | Bluetooth precisely controlled pressure stabilizing output oxygenerator |
| CN105561498A (en) * | 2015-10-10 | 2016-05-11 | 唐孝明 | Method for solving low-air-pressure oxygen deficit of plateau section |
| CN106932010A (en) * | 2015-12-29 | 2017-07-07 | 青岛道空优科技有限公司 | A kind of High aititude oxygenerator self-checking system |
| CN106927425A (en) * | 2015-12-31 | 2017-07-07 | 青岛道空优科技有限公司 | A kind of plateau High aititude oxygenerating technology |
| CN105858612A (en) * | 2016-03-31 | 2016-08-17 | 中国人民解放军军事医学科学院卫生装备研究所 | Parallel-operation constant pressure altitude adaptive adsorption oxygenerator and oxygen production method |
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| CN106806999B (en) * | 2017-01-13 | 2019-11-19 | 深圳市捷凌科技有限公司 | For alleviating the electronic control circuit and oxygen supply equipment of altitude sickness |
| CN106806999A (en) * | 2017-01-13 | 2017-06-09 | 酷灵电子有限公司 | Electronic control circuit and oxygen supply equipment for alleviating altitude sickness |
| CN108217600A (en) * | 2017-12-29 | 2018-06-29 | 中国船舶重工集团公司第七八研究所 | A kind of Portable Oxygen generator control device and oxygen control method processed |
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| CN110304606A (en) * | 2019-06-17 | 2019-10-08 | 张文霞 | A kind of Miniature oxygenerator and its assembly method |
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| CN111457959A (en) * | 2020-04-09 | 2020-07-28 | 安徽西玛科光电科技有限公司 | Medical oxygen generation controller |
| CN111675197A (en) * | 2020-06-28 | 2020-09-18 | 杭州鼎岳空分设备有限公司 | Container type medical shelter oxygen generation system |
| CN112573486A (en) * | 2020-12-23 | 2021-03-30 | 珠海辉钰医疗科技有限公司 | Portable emergency oxygen generator |
| CN115430073A (en) * | 2022-08-26 | 2022-12-06 | 中国舰船研究设计中心 | Breathing oxygen supply device for sealed cabin |
| CN115784165A (en) * | 2022-12-01 | 2023-03-14 | 深圳来福士雾化医学有限公司 | Oxygen generation system and control method thereof |
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