CN103626132B - A kind of Portable Oxygen generator being applicable to highlands - Google Patents
A kind of Portable Oxygen generator being applicable to highlands Download PDFInfo
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- CN103626132B CN103626132B CN201210307733.0A CN201210307733A CN103626132B CN 103626132 B CN103626132 B CN 103626132B CN 201210307733 A CN201210307733 A CN 201210307733A CN 103626132 B CN103626132 B CN 103626132B
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Abstract
The present invention relates to a kind of Portable Oxygen generator being applicable to highlands, on traditional oxygenerator basis, invention increases and breathe terminal pressure proofing unit, altitude environment oxygen concentration real-time detection apparatus, export oxygen detection device, intelligent decision and pilot circuit, micro-chip in intelligent decision and pilot circuit judges according to the software program prepared in advance output signal to above-mentioned detection device and processes, and export control signal in real time, output oxygen flow is regulated, forms pulse oxygen supply pattern; Drive motor for compressor power supply dutycycle can be regulated simultaneously, compressed air require be regulated, and then oxygen output flow is regulated; Export control signal and also can send sound and light alarm in time.Pulse oxygen supply of the present invention, avoids expiration phase and air-breathing latter end oxygen loss; Increasing oxygenerator oxygen flow by improving drive motor for compressor rotating speed, concentration of oxygen output can be made not change with the change of sea level elevation, maintain about 91%.
Description
Technical field
The present invention relates to a kind of air-separating oxygen-making technology, especially for a kind of employing pressure-variable adsorption mode being applicable to highlands environment is separated the portable unit of air Preparation of oxygen.
Background technology
China is vast in territory, the plateau that height above sea level is more than 3000 meters, alpine region, accounts for 1/6th of national total area.Highlands climate variability, cold, wind are large, air rarefaction, wherein air rarefaction, and normal atmosphere and oxygen partial pressure reduce, and are the principal elements that altitude environment affects human body body.Generation occupies the ethnic minority in highlands, altitude environment is adapted to, and for living in the personnel of low altitude area all the year round, just support more than 3000 meters highlandss, because in normal atmosphere, oxygen 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 reduces, thus causes anoxic.Highlands anoxic is on the impact of human body body, and highlands cold, strong wind, sleet weather and strong ultraviolet radiation in addition, becomes many plateaus illness and bring out and Acute aggravated factors.Supplemental oxygen becomes the effective way improving human body organism adaptation ability and alleviate 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 kind of device needs continuous oxygenation, and oxygen capacity is limited, neither easy to use, 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, is all adopted the method by domestic and international most of Portable Oxygen generator.
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.Under the prerequisite not increasing Portable Oxygen generator volume weight, how to keep the utilising efficiency of oxygenerator oxygen generation efficiency and oxygen, this has become Portable Oxygen generator and has entered highlands and use the technical barrier that must overcome.
Summary of the invention
The object of the invention is on the basis of existing pressure swing adsorption oxygen, take into full account the factors that oxygenerator uses under altitude environment, a kind of Portable Oxygen generator that better can be applicable to highlands is provided.
For achieving the above object, technical thought of the present invention is, one is " increasing income ", namely along with the oxygen output flow of the change adjustment oxygenerator of sea level elevation; Two is " throttlings ", namely adopts pulse mode oxygen supply, oxygen supply time " suction ", oxygen deprivation time " exhaling ", thus saves 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, waste gas is arranged outward 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, waste gas is arranged outward and air supply system cools by wet down system, the damp-heat air exchanged in drying process drains into outside housing, the nitrogen separated is arranged outward by waste gas by air-seperation system and wet down system is discharged outside cabinet housing, the oxygen separated is sent into oxygen plenum system by air-seperation system, valve system ensures air-seperation system oxygen separation and nitrogen, valve system also regulates the pressure exporting oxygen in oxygen plenum system, flow, oxygen after filtration is sent outside cabinet housing through Oxygen tube by oxygen plenum system, 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 to judge the signal that signal recognition circuit exports according to software program prepared in advance and processes, and make the pilot circuit in intelligent decision and pilot circuit output control signals to valve system in real time, and then real-time regulating and controlling is carried out to the oxygen pressure flow in oxygen plenum system, form pulsed oxygen supply pattern, once breathe terminal pressure proofing unit abnormal condition to be 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 to judge the signal that signal recognition circuit exports according to software program prepared in advance and processes, and make the pilot circuit in intelligent decision and pilot circuit output control signals to valve system in real time, power-supply system, make the control signal that the power supply duty ratio adjusting circuit in power-supply system can export according to intelligent decision and pilot circuit, in conjunction with drive-motor power supply virtual voltage, regulate the dutycycle being supplied to air compression plant drive-motor input power, thus the adjustment realized air compression plant delivery air flow, and then the adjustment realized exporting 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 cooled in pressure-air cooling interchanger by the air compressed, the pressurized air of cooled cooling enters in drying filter for compressed air dry again, cooled and dried pressurized air is admitted to air-seperation system, and forced to discharge oxygenerator chassis shell external body from the damp-heat air that pressure-air cooling interchanger exchanges by fan, and be admitted to damp atmosphere vaporizer from the damp atmosphere that drying filter for compressed air filters out, the damp atmosphere that evaporation is formed also is 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, the rotation of motor power output shaft is become the to-and-fro movement of micro-piston-type flying wheel compressor piston rod by flying wheel on the one hand, also serve on the other hand and reduce vibration, reduce the effect of mechanical noise, the dutycycle of adjustment driving power can realize the adjustment 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 separated is sent in oxygen stowage arrangement, and the nitrogen separated then 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, again after oxygen bacterial filter, be delivered to human body respiration organ by oxygen conveying pipe.
In the technical scheme of above-mentioned oxygenerator, described cabinet housing is rectangular parallelepiped, by top board, left plate, right side plate and casing are formed, air filter box is arranged at casing front panel, air silencer and air filter box are fixed, raw air first filters through air filter box, enter air silencer again 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 filter 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 tower is by the oxygen inlet mouth of soft pipe connection in valve composite module, valve composite module oxygen air outlet is communicated with the inlet mouth of a three-way hose, small portion oxygen is sent into oxygen concentration sensor by an arm air outlet of this three-way hose, another arm of this three-way hose is oxygen output tube, throttling valve is provided with in this arm, the effect of this throttling valve is when two absorption tower adsorbs 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 exports arm air outlet and is communicated with oxygen filtration purifier, oxygen filtration purifier exports oxygen through breathing hose, the lithium cell that lithium cell group is arranged on casing back is placed in cavity, oxygen concentration sensor is then fixed on below the horizontal frame on casing top, master control circuit board is fixed on the horizontal frame top on casing top, membrane switch panel, report to the police and status indicator lamp circuit card, liquid-crystal display board component is fixed on inside top board, 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 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 compressor adsorber submounts, compressor fixed support is arranged on above compressor damping pad, compressor adsorber base side is provided with two damping spacers, compressor fixed support side is can the connection of up-down vibration state by damping spacer and compressor adsorber base, the support bracket fastened opposite side of compressor is then 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 entirety are fixed on above compressor fixed support, seal washer is arranged in the groove of compressor adsorber base, the merging that then matches with seal washer of double tower absorber bottoms is fixed in compressor adsorber base.
Below in conjunction with accompanying drawing 1, systematically introduce System's composition of the present invention and principle of work.
Air supply system I includes raw air strainer 11, raw air sound damper 12, air compression plant 13 are made up of air compressor and drive-motor, 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 exchanged 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 sends into air-seperation system II, and the warm air 71 be expelled in casing is by outside the powerful outer discharge casing of fan 73.
Air-seperation system II is made up of pressure-variable adsorption tripping device (PSA) 21 and oxygen stowage arrangement 22, the method that pressure-variable adsorption tripping device 21 is separated air utilizes zeolite molecular sieve increase with gaseous tension gas adsorption amount and increase and characterization of adsorptions different with the adsorptive capacity of oxygen to nitrogen under same gas pressure, thus take High Pressure Absorption, the circulation technology of low pressure desorb isolates oxygen from air.In order to increase the rate of recovery and oxygen purity, generally having in the circulation technology of PSA Portable Oxygen generator and all pressing step (particularly go up and all press step) and blowback step.The nitrogen 72 separated is discharged in casing, and forced to be discharged to outside casing by fan 73, the oxygen separated 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 the real-time regulation output oxygen of oxygen pressure flow regulation device 41, exports oxygen and exports after oxygen filtration purifier 42, through breathing hose to breathing end.
Intelligent control system V is the integral part of most feature of the present invention, it includes three kinds of sensors, i.e. altitude environment oxygen concentration sensor 52, breathe terminal pressure sensor 53, export oxygen sensor 54, process from these three kinds of sensor output signals through intelligent decision and pilot circuit 51, 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 delivers 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, thus regulate the size of air compressor delivery air flow, like this, along with the change of sea level elevation residing for oxygenerator, the oxygen flow of oxygenerator can correspondingly change thereupon.Second tunnel control signal is associated with breathing terminal pressure changing value, this road control signal delivers to valve composite module 31, by switch and the regulating effect of valve composite module, form the pulse oxygen supply mode of oxygen output, thus avoid expiration phase and air-breathing latter end oxygen loss, realize the blood oxygen saturation of user being made obviously to increase with a small amount of oxygen supply, compensate for Portable Oxygen generator is generally less than 1L/min restriction at highlands continuous flow.3rd tunnel control signal is associated with output oxygen parameter changing value, and when the output that output oxygen does not reach regulation 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 includes 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 required direct supply for oxygenerator.Possessing Alternating Current Power Supply occasion, power supply adaptor 63 can directly by the direct supply of convert alternating current required for oxygenerator, and power supply adaptor 63 also can be chargeable lithium cell 62 and charges simultaneously.The control signal that power supply duty ratio adjusting circuit 61 energy export according to intelligent decision and pilot circuit 51, determine suitable voltage duty cycle, and then PWM width modulation is carried out to drive motor for compressor power supply, thus realize the regulating and controlling to drive motor for compressor rotating speed.
Waste gas is arranged outward and cooling system VII major portion is fan 73, the warm air 71 of box house and isolated nitrogen 72 force to discharge outside casing by this fan 73, meanwhile, the air of casing outside sucks in casing from the inlet mouth screen of casing front and back panel, thus reduces the temperature and humidity of box house.
Reducing vibrations and reducing noise is another technical problem that Portable Oxygen generator of the present invention is puted forth effort to solve.A major source of vibrations is air compressor in air compression plant 13 and drive-motor, invention has been 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 utilize zeolite molecular sieve to increase with gaseous tension gas adsorption amount and increase with under same gas pressure, High Pressure Absorption is taked to the nitrogen characterization of adsorption different with the adsorptive capacity of oxygen, the circulation technology of low pressure desorb isolates oxygen from air.In order to increase the rate of recovery and oxygen purity, generally having in the circulation technology of PSA Portable Oxygen generator and all pressing step (particularly go up and all press step) and blowback step.
2, Portable Oxygen generator of the present invention takes pulsed oxygen therapy mode, avoid expiration phase and air-breathing latter end oxygen loss, a small amount of oxygen supply can make the blood oxygen saturation of user obviously increase, and compensate for Portable Oxygen generator is generally less than 11/min restriction at highlands continuous flow.According to Respiratory physiology 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 extremely early stage speedy carding process oxygen of air-breathing, oxygen enters rapidly in little alveolar sac, avoids resting in tracheae and bulla capsule.The present invention takes pulsed offering oxygen way, and the oxygen less than 900mL is equal to the 5L/min of continuous flow in result of use.
3, Portable Oxygen generator of the present invention regulates by regulating the dutycycle of drive motor for compressor power supply and improves 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 then change with the change of height above sea level substantially, roughly maintains about 91%.
4, there is obvious energy-saving effect in Portable Oxygen generator of the present invention, and in order to work when not having 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 the duration of service making internal battery each is as far as possible long, Portable Oxygen generator is provided with several gear, and the flow corresponding to each gear is different, and energy consumption is also different, user can select suitable gear as required, and under not needing under any circumstance all to be in maximum energy consumption, running uses.When output pressure is identical, rotating speed is slower, and energy consumption is less.Portable Oxygen generator is under the gear that oxygen flow is less, and electric moter voltage dutycycle reduces, and with narrow spaces 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 Portable Oxygen generator System's composition of the present invention 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 (opening left plate) of the present invention.
Fig. 6 is Portable Oxygen generator internal structure of the present invention local scheme of installation (opening right side plate).
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, 11 is raw air strainers, 12 is raw air sound dampers, 13 is air compression plants, 14 is pressure-air cooling interchangers, 15 is silencing and damping mechanisms, 16 is drying filter for compressed airs, 17 is damp atmosphere vaporizers, II is air-seperation system, 21 is pressure-variable adsorption tripping device (PSA), 22 is oxygen stowage arrangements, III is valve system, 31 is valve composite modules, IV oxygen plenum system, wherein, 41 is oxygen pressure flow regulation devices, 42 is oxygen filtration purifiers, 43 is oxygen delivery ports, V is intelligent control system, wherein, 51 is intelligent decision and pilot circuit, 52 is altitude environment oxygen concentration sensors, 53 is breathe terminal pressure sensor, 54 is export oxygen sensor, 55 is warning circuits, VI is power-supply system, wherein, 61 is power supply duty ratio adjusting circuits, 62 is chargeable lithium cells, 63 is power supply adaptors, VII is that waste gas is arranged outward and cooling system, wherein, 71 is warm air, 72 is isolated nitrogen, 73 is fans, 101 is master control circuit board, 102 is casing upper level frameworks, 103 is inlet air filtration chamber boxes, 104 is sourdines, 105 is air compressor, 106 is drive-motor, 107 is two adsorption towers, 108 is lithium battery cover plates after casing, 109 is that lithium cell places cavity, 110 is valve composite modules, 111 is power supply deck of boat switches, 112 is handles, 113 display panels, 114 is oxygen output mouths, 115 is oxygen concentration sensors, 116 is sound-absorbing sponges of side plate inwall, 117 is fans, 118 is safety fuses, 119 is air inlet grid plates, 120 is external electric supply socket holes, 121 is compressor fixed supports, 122 is damping spacers, 123 is compressor adsorber bases, 124 is nylon slings, 125 is compressor damping pads, 126 is seal washers.
Embodiment
Embodiment one:
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 describe 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 compartment cover plate 108 just below, lithium cell also can be encased in battery compartment 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 to the right in the middle part of right side plate is then the relief outlet of gas in casing, and namely fan is arranged on right side plate inside just to this group roundlet lead to the hole site.Fig. 7 depicts the medial surface structure of right side plate, and fan 117 is fixed on inside right side plate, 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.The present embodiment profile solid as shown in Figure 8, oxygen output mouth 114 be arranged on casing just before top, 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 is the interior spatial structure schematic diagram opened shown by 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 outlet is 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, oxygen concentration sensor 115 is fixed on the below of horizontal frame 102, valve composite module 110 is arranged on the top of two adsorption tower 107, open lithium battery cover plate 108 after casing, lithium cell can be inserted lithium cell places in cavity 109, display panel 112 is fixed on above lamina tecti, indicator light circuit plate, LCD panel external member is then 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 in the middle part of side plate, 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 the vibrations and the noise reduction problem that solve air compression plant, specific practice is, air compressing motor spindle is 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
Compressor adsorber base 123 and box bottom are fixed, compressor damping pad 125 is arranged at above compressor adsorber base 123, compressor fixed support 121 is arranged on above compressor damping pad 125, compressor adsorber base 123 side is provided with two damping spacers 122, compressor fixed support side by damping spacer 122 and compressor adsorber base 123 in can the connection of up-down vibration state, the support bracket fastened opposite side of compressor is then by nylon sling 124, compressor fixed support 121 is connected with compressor adsorber base 123, compressor damping pad 125 is positioned at the centre of compressor fixed support 121 and compressor adsorber base 123, compressor and drive-motor entirety are fixed on above compressor fixed support 121, seal washer 126 is arranged in the groove of compressor adsorber base 123, the merging that then matches with seal washer 126 of double tower absorber bottoms is fixed in compressor adsorber base 123.
Most of vibration energy that the present embodiment damping produces when can sponge the running of compressor adsorber, cabinet wall sound-absorbing sponge then can play the effect reducing noise.
In the present embodiment, when user's eupnea, pressure in Oxygen tube can along with the fluctuations of the rhythm Development pattern breathed, the pressure transmitter be 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 then 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, software program is previously provided with in micro-chip in intelligent control circuit, this software program can according to respiratory pressure electrical signal size and detect the sequential point of different pressures, the breathing pattern of this breather is judged, determine breath rhythm and the breathing state of user, and then output real-time control signal, the electrovalve controlling oxygen flow is controlled and regulated, thus realize intake period automatic oxygen supply, the expiration phase stops the pulsed offering oxygen way sending oxygen automatically, reduce the unnecessary consumption of oxygen, make the Portable oxygen-preparing function of identical oxygen generation efficiency reaches better oxygen supply effect in highlands.Through actual measurement, take pulsed offering oxygen way, the oxygen less than 900mL is equal to the result of use of the 5L/min of continuous flow in result of use.
Embodiment two:
The internal structure of the present embodiment oxygenerator is substantially identical with above-described embodiment one, and difference is to add oxygen concentration sensor 115, thus can carry out real-time detection to altitude environment oxygen concentration and oxygenerator concentration of oxygen output.
When oxygenerator does not export oxygen, oxygen output tube road is communicated with ambient atmosphere, now, the change of outside ambient air oxygen density value can be converted to the change of electrical signal by oxygen concentration sensor 115, and by this electrical signal through amplifying and delivering to the signal recognition circuit in intelligent control system after analog to digital conversion, micro-chip in intelligent control system judges according to software program prepared in advance the oxygen concentration value signal that signal recognition circuit exports and processes, and make the pilot circuit in intelligent control system export control signal in real time, this control signal inputs to power supply duty ratio adjusting circuit, intelligent control system is exported control d. c. voltage signal and carries out width modulation to the voltage of supply of lithium rechargeable batteries by this power supply duty ratio adjusting circuit, thus regulate air compressor drive-motor rotating speed, and then the flow regulating pressurized air to export, achieve output oxygen flow simultaneously, the adjustment of oxygen partial pressure.
When oxygenerator exports high-concentration oxygen, the concentration value that oxygenerator is exported oxygen by oxygen concentration sensor 115 energy changes the change being converted to electrical signal, and by this electrical signal through amplifying and closing the signal recognition circuit in intelligent control system after analog to digital conversion, micro-chip in intelligent control system judges according to software program prepared in advance the oxygen concentration value signal that signal recognition circuit exports and processes, and make the pilot circuit in intelligent control system export control signal in real time, real-time display translation oxygen density value on a display panel, simultaneously when concentration of oxygen output value is lower than the normal concentration value set, pilot circuit in intelligent control system then outputs signal to warning device, carry out sound and light alarm prompting.
The present embodiment can with the change of altitude environment air pressure, automatically the flow of air compressor delivery air is also effectively changed, make oxygenerator be in one all the time and can ensure effective oxygen supply, the using state of electric energy can be saved again, this is for focusing on the Portable Oxygen generator of power consumption, particularly important.
Embodiment three:
The internal structure of the present embodiment oxygenerator is substantially identical with above-described embodiment one, and difference adds manual gear setter in power supply duty ratio adjusting circuit.Micro-chip in intelligent control system determines the corresponding direct-current control voltage exported to power supply duty ratio adjusting circuit of this gear according to the gear that this manual gear setter sets, and compare with the lithium rechargable battery virtual voltage that the measurement of power supply duty ratio adjusting circuit obtains, calculating voltage actuate signal dutycycle, export from micro-chip pin with PWM mode, volts DS is converted into through low-pass filter, the DC voltage control signal that power supply duty ratio adjusting circuit intelligent system is sent into carries out width modulation to the driving voltage of lithium rechargeable batteries, the output flow of air compressor is regulated according to user's actual needs, if when manual gear is constant, stable air compressor output flow, when gear changes, the corresponding change of air compressor output flow.
The present embodiment, compared with embodiment two, is by user's Non-follow control Portable Oxygen generator oxygen output flow, and like this, user according to physical appearance of controlling oneself, can select most suitable oxygen work output.In height above sea level lower, user manually can 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 (2)
1. one kind is applicable to the Portable Oxygen generator of highlands, its formation includes, air supply system, air-seperation system, valve system, oxygen plenum system, tubing system, power-supply system, waste gas is arranged outward 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, waste gas is arranged outward and air supply system cools by wet down system, the damp-heat air exchanged in drying process drains into outside housing, the nitrogen separated is arranged outward by waste gas by air-seperation system and wet down system is discharged outside cabinet housing, the oxygen separated is sent into oxygen plenum system by air-seperation system, valve system ensures air-seperation system oxygen separation and nitrogen, valve system also regulates the pressure exporting oxygen in oxygen plenum system, flow, oxygen after filtration is sent outside cabinet housing through Oxygen tube by oxygen plenum system, tubing system is communicated with all gas circuits, power-supply system provides power supply for complete machine, 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 to judge the signal that signal recognition circuit exports according to software program prepared in advance and processes, and make the pilot circuit in intelligent decision and pilot circuit output control signals to valve system in real time, and then real-time regulating and controlling is carried out to the oxygen pressure flow in oxygen plenum system, form pulsed oxygen supply pattern, once breathe terminal pressure proofing unit abnormal condition to be 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 to judge the signal that signal recognition circuit exports according to software program prepared in advance and processes, and make the pilot circuit in intelligent decision and pilot circuit output control signals to valve system in real time, power-supply system, make the control signal that the power supply duty ratio adjusting circuit in power-supply system can export according to intelligent decision and pilot circuit, in conjunction with drive-motor power supply virtual voltage, regulate the dutycycle being supplied to air compression plant drive-motor input power, thus the adjustment realized air compression plant delivery air flow, and then the adjustment realized exporting oxygen pressure flow,
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 cooled in pressure-air cooling interchanger by the air compressed, the pressurized air of cooled cooling enters in drying filter for compressed air dry again, cooled and dried pressurized air is admitted to air-seperation system, and forced to discharge oxygenerator chassis shell external body from the damp-heat air that pressure-air cooling interchanger exchanges by fan, and be admitted to damp atmosphere vaporizer from the damp atmosphere that drying filter for compressed air filters out, the damp atmosphere that evaporation is formed also is forced to discharge oxygenerator chassis shell external body by fan,
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, the rotation of motor power output shaft is become the to-and-fro movement of micro-piston-type flying wheel compressor piston rod by flying wheel on the one hand, also serve on the other hand and reduce vibration, reduce the effect of mechanical noise, the dutycycle of adjustment driving power can realize the adjustment to compressor air output flow;
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 separated is sent in oxygen stowage arrangement, and the nitrogen separated then is discharged outside cabinet housing by fan;
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, again after oxygen bacterial filter, be delivered to human body respiration organ by oxygen conveying pipe;
Described cabinet housing is rectangular parallelepiped, by top board, left plate, right side plate and casing are formed, air filter box is arranged at casing front panel, air silencer and air filter box are fixed, raw air first filters through air filter box, enter air silencer again 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 filter 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 tower is by the oxygen inlet mouth of soft pipe connection in valve composite module, valve composite module oxygen air outlet is communicated with the inlet mouth of a three-way hose, small portion oxygen is sent into oxygen concentration sensor by an arm air outlet of this three-way hose, another arm of this three-way hose is oxygen output tube, throttling valve is provided with in this arm, this arm air outlet is communicated with oxygen filtration purifier, oxygen filtration purifier exports oxygen through breathing hose, the lithium cell that lithium cell group is arranged on casing back is placed in cavity, oxygen concentration sensor is then fixed on below the horizontal frame on casing top, master control circuit board is fixed on the horizontal frame top on casing top, membrane switch panel, report to the police and status indicator lamp circuit card, liquid-crystal display board component is fixed on inside top board, 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 is arranged at the top of casing front panel, power switch is arranged at the top of cabinet rear panel.
2. a kind of Portable Oxygen generator being applicable to highlands according to claim 1, 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 compressor adsorber submounts, compressor fixed support is arranged on above compressor damping pad, compressor adsorber base side is provided with two damping spacers, compressor fixed support side is can the connection of up-down vibration state by damping spacer and compressor adsorber base, the support bracket fastened opposite side of compressor is then 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 entirety are fixed on above compressor fixed support, seal washer is arranged in the groove of compressor adsorber base, the merging that then matches with seal washer of double tower absorber bottoms is fixed in compressor adsorber base.
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