CN100469397C - Intermittent air-blowing appliance for treating sleep-respiratory disorder and its control - Google Patents
Intermittent air-blowing appliance for treating sleep-respiratory disorder and its control Download PDFInfo
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- CN100469397C CN100469397C CNB2007100938939A CN200710093893A CN100469397C CN 100469397 C CN100469397 C CN 100469397C CN B2007100938939 A CNB2007100938939 A CN B2007100938939A CN 200710093893 A CN200710093893 A CN 200710093893A CN 100469397 C CN100469397 C CN 100469397C
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Abstract
The invention is concerned with sleeping breath obstruction curing equipment with intermittent air distribution and the control method to intermittent air distribution. The control method to intermittent air distribution is the open and close to the valve of disturbution wind. The said of method to intermittent air distribution sets a sensor to feel the airflow of people's breathe at the cover of nose to people, and the sensor signal magnifies the signal through pulse signal magnifying module and send the open and close signals to valve of disturbution wind by control module. The curing equipment relates to disturbution wind part and control part. The disturbution wind part sets a valve to alternately change the air channel of path of disturbution wind and pipe of disturbution wind inside of the path of disturbution wind coming form the cover of nose and there is wind vane at the connecting position of cover of nose and wind pipe. It uses the positive and negative moving of wind vane to check the phase and size of airflow of breathe with easy structure and high dependability to reduce the computative difficulty of phase.
Description
Technical field
The present invention relates to a kind of medical respiratory assist system, the control method that particularly discloses a kind of batch (-type) air-supply appliance for treating sleep-respiratory disorder and intermittently blow, be the device of a kind of direct detection respiratory air flow direction and size and control breathing air-flow, be arranged on the nose cup place.
Background technology
Sagging at muscular tissue around the respiratory tract, lax obstructive type sleep disordered breathing or the nerve that causes, lung is because of the property sleep disordered breathing, prior art is: pressure fan passes through pipeline, face shield is directly connected to people's mouth and nose place, pressure fan is continuously supplied gas to mouth and nose by face shield no matter the people is in expiratory phase or expiration phase, keeps positive pressure.Under this single formula air supply mode, must overcome the face shield internal pressure during expiration, waste gas incoming call face shield and pipeline, so cause the human body burden, simultaneously, some waste gas of lung intracavity is exhaled to come out.
In order to alleviate expiratory resistance, improve the expiration comfort level, utilize the piezometer in the pressure fan pipeline, flow meter signal, obtain pressure, flow signal is extrapolated people's expiration, suction condition by the intelligent algorithm that is referred to as the state recognition algorithm, high-pressure blowing-in when air-breathing, low pressure air-supply during expiration, promptly two level high-low pressure alternative expressions are blown, and improving exhales falls to press, and reduces the residual gas amount in the lung.This kind mode has partly overcome the defective of above-mentioned single formula air supply mode really, and becomes the high-end product in the existing product.See Chinese patent 200480039370.0, United States Patent (USP) 6532957.
In the said method, determine that breathing phases need rely on artificial intelligence's method to calculate, so reckoning conclusion does not in some cases meet the patient's of that time actual breath state sometimes.In order to guarantee piezometer, the breath data that effusion meter can ceaselessly be gathered the people is gone into the power value as above-mentioned algorithm, must keep certain minimum blast pressure.So, even waking or fall asleep, the patient also do not take place under the situation of respiratory obstruction, when exhaling, the patient must overcome a pressure.This is painful, is the shortcoming of prior art.A waste gas part of breathing out remains in the breather, sucks again in the air-breathing phase place of the next one.
Summary of the invention
The objective of the invention is to overcome the phase place reckoning inaccuracy and the obstructed defective of exhaling in the prior art, the control method that discloses a kind of batch (-type) air-supply appliance for treating sleep-respiratory disorder and intermittently blow.
The present invention is achieved in that the control method of blowing a kind of intermittence of batch (-type) air-supply appliance for treating sleep-respiratory disorder, comprises the keying of blow valve, and it is characterized in that: described air-supply is the batch (-type) air-supply, and air-supply stopped during expiration when human body was air-breathing; Described batch (-type) air supply method is installed perception human body respiration pneumatic sensor near the nose cup of human body respiration gas, sensor signal is amplified signal through pulse signal amplification module, passes to blow valve by control module and sends keying signal realization control; Described batch (-type) air-supply appliance for treating sleep-respiratory disorder, comprise air-supply part and control section, the air-supply part is made up of blower fan, blow valve, ajutage and nose cup, control section comprises control module, blower fan control module and the blow valve control module related with it, it is characterized in that: the air-supply part is installed a valve body that can alternately change air delivery duct and ajutage air duct in the air delivery duct that nose cup picks out; Control section is provided with fan blade at nose cup and ajutage junction, at the fan blade side pick off that energy perception fan blade turns to is set also, and pick off connects pulse signal amplification module and control module.
The described valve body that alternately changes air delivery duct and ajutage air duct becomes perpendicular or parallel in spool displacement direction with the air delivery duct axis, when spool displacement direction and air delivery duct axis normal, spool sidepiece and valve body valve core spring is set, the cartridge cover top connects the air delivery duct, utilize blast pressure to make spool be indexed to the ventilation station, utilize valve core spring to revert to ajutage air duct station; When spool displacement direction is parallel with the air delivery duct axis, the spool displacement promptly in ajutage left and right sides displacement change two stations air-breathing and when exhaling.
The power of described spool displacement direction is the motor-driven backguy, and backguy connects the spool occurrence positions and changes.The power of described spool displacement direction is that the magnetic force of burying the intravital electric magnet generation of valve underground makes the spool displacement.Described spool is a cylinder, realizes the displacement of spool behind right angle of spool displacement process spool rotation.
The present invention alternately changes the valve body of air delivery duct and ajutage air duct when spool displacement direction becomes vertical with the air delivery duct axis, and an end of housing horizontal ends is supplied gas to nose cup, and the other end is accepted the air-flow from ajutage.The nearly nose cup place of housing is a propeller type fan blade or Waterwheel-type fan blade, fan blade is installed on the axle that is fixed in housing, can rotate freely with air-flow, be provided with two or more proximity pick offs for example photocell on housing, be used to detect the direction of rotation and the speed of fan blade, the proximity pick off refers to inductance type, condenser type, Hall-type, photo-electric, a kind of in the modes such as Doppler frequency shift formula, its principle and to make usage be general general knowledge in physics/electric, thus omit explanation, in the present invention with photo-electric for making use-case.Expiration ajutage vertical channel is set on the housing between fan blade and the spool, also disappointing aperture can be set on spool, this disappointing aperture traditional have press when exhaling, be used for discharging waste gas.Losing heart between aperture and the ajutage interface end is the vertical part of housing, spool is connected in the vertical part of housing by spring, and can between first station and second station, slide along vertical housing, the end face of spool is that operating air pressure is accepted face, the centre is a gas port, and end is open breach of air or hole.The spool working air current can be introduced separately into, also can air-flow be double does with air-supply, and be the example explanation with the double air-flow of working of air-supply air-flow here.When ajutage after this device air-supply, working air current overcomes spring force and promotes stroke to the first station of spool, the air-supply air-flow is crossed the gas port of spool, air-flow except that one little from the aperture that loses heart is discharged, most of fan blade that promotes in this device just changes, the fan blade that is just changeing makes pick off send positive rotaring signal to CPU, and air-flow enters nose cup and supplies gas to user; When ajutage stops when this device is blown, spool is under the restoring force effect of spring, return stroke to the second station, the open breach of the air of spool is communicated to air to nose cup, the expiratory airflow of user is passed through nose cup, this device promotion fan blade of flowing through reverses, and the fan blade of counter-rotating makes pick off send reverse signal to CPU, and expiratory airflow enters atmosphere from lose heart aperture and air duct.
The present invention can also be when exhaling, and according to the air flue of the user order of severity of subsiding, control sequence is made corresponding change, low pressure is supplied gas when keeping expiration, the waste gas that the people breathes out promotes the fan blade counter-rotating, makes pick off to CPU reverse signal take place, and expiratory airflow enters atmosphere from the aperture that loses heart.This characteristic absorption the characteristics of traditional respirator.
The present invention alternately changes the valve body of air delivery duct and ajutage air duct when spool displacement direction becomes parallel with the air delivery duct axis, and an end of housing is supplied gas to nose cup, and the other end of housing is accepted the air-flow from ajutage.The nearly nose cup place of housing is a propeller type fan blade or Waterwheel-type fan blade, fan blade is installed on the axle that is fixed in housing, can rotate freely with air-flow, two or more pick offs are used to detect fan blade on housing direction of rotation and speed are set, pick off refers to inductance type, condenser type, Hall-type, photo-electric, a kind of in the modes such as Doppler frequency shift formula, its principle and to make usage be general general knowledge in physics/electric, thus omit explanation, in the present invention with photo-electric for making use-case.Disappointing aperture is set between fan blade and the spool, this disappointing aperture traditional have press when exhaling, be used for discharging waste gas.Lose heart and between aperture and the spool atmosphere opening hole is set.The nearly ajutage place of housing is provided with spool, and spool is connected in the housing by spring, and can slide between first station and second station along the pillar housing, and a side of spool is that envelope is ended face, and opposite side is the Stroke Control section, and the intermediary end face in both sides is provided with air-guiding hole.When blower fan after air channel air-supply, the air-supply air-flow overcomes spring force and promotes stroke to the first station of spool, spool periphery envelope is stopped the air open bore on the housing, the air-supply air-flow cross spool except that one little from the aperture that loses heart is discharged, most of fan blade that promotes in this device just changes, the fan blade that is just changeing makes pick off send positive rotaring signal to CPU, and air-flow enters nose cup and supplies gas to user; When ajutage stops when this device is blown, spool is under the restoring force effect of spring, return stroke to the second station, the spool periphery is left the air open bore on the housing, nose cup is communicated to air, and the expiratory airflow of user is by nose cup, and this device of flowing through promotes the fan blade counter-rotating, the fan blade of counter-rotating makes pick off send reverse signal to CPU, and expiratory airflow enters atmosphere from lose heart aperture and air open bore.
Operation principle of the present invention: auxiliary people's is air-breathing, after opening main blow valve, the double spool working air current of doing of air-supply air-flow in this example, so the spool working air current overcomes the thrust of spring, spool is promoted stroke to the first station, the air-supply air-flow is crossed the gas port of spool, air-flow except that one little from the aperture that loses heart is discharged, most of fan blade that promotes in this device just changes, flow into nose cup to mouth and nose the air-breathing of auxiliary people of supplying gas, two pick offs are passed the positive veer that can sense fan blade by the time, and promptly pick off sends the signal that the people is in air-breathing phase place to signal processing and control module (MPU).Ensure when exhaling, close main blow valve, out-of-blast.At this moment, spool moves stroke to the second station under the thrust of spring, and the atmosphere opening breach is communicated to atmosphere to nose cup.The air-flow that the people breathes out promotes the fan blade counter-rotating, and pick off is passed the reverse directions that can sense fan blade by the time, and promptly pick off sends the signal that the people is in the expiration phase place to MPU.The waste gas of breathing out most ofly directly is discharged in the atmosphere by the open breach of the air on the spool from the aperture that loses heart is discharged except that one little, and expiratory resistance exists hardly.When pressure fan breaks down can't blow the time, spool moves to second station under the restoring force effect of spring, automatically nose cup is communicated to air, ensures user safety.
The invention has the beneficial effects as follows: apparatus of the present invention are with the positive and negative phase place and the size that transfers direct detection respiratory air flow of fan blade, have simple in structurely, and the advantage that reliability is high greatly reduces the difficulty that phase place is calculated.Exhale among the present invention air duct is set; Two station transfer valves have realized the air-breathing air-supply expiration of human body bubbling air function, and the air-breathing obstacle when promptly having got rid of sleep has guaranteed comfortable when air-breathing.And do not have residual gas in the lung when having realized expiration, be not trapped in the ajutage, can be at the waste gas in next expiratory phase sucks snorkel.When pressure fan breaks down when not working, face shield is connected to atmosphere automatically, has ensured the safety that product of the present invention uses.
Description of drawings
Structural representation of the present invention when Fig. 1 is implementation column 1 spool displacement direction and air delivery duct axis normal;
In the drawings: 1, fan blade; 2, pick off; 3, blade shaft; 4, support; 21, spring; 22, spool; 23, ajutage air duct; 24, air-guiding hole; 41, valve body; 42, air duct; 43, disappointing aperture; 44, cartridge cover; 71, nose cup; 72, ajutage; 73, blow valve; 74, blower fan; 75, servomotor; 81, pulse signal amplification module; 82, pressure signal amplification module; 83, blower fan control module; 84, control module; 85, blow valve control module.
Fig. 2 is implementation column 2 spool displacement directions structural representations of the present invention when parallel with the air delivery duct axis;
In the drawings: 25, spool; 26, spool air-guiding hole; 27, valve core spring; 45, housing; 46, disappointing aperture.
Fig. 3 is implementation column 3 structural representations of the present invention.
Fig. 4 is implementation column 4 structural representations of the present invention;
In the drawings: 5, windmill type fan blade; 47, valve body; 48, Sensor box.
Fig. 5 is implementation column 5 structural representations of the present invention;
In the drawings: 28, disappointing aperture.
Fig. 6 is implementation column 6 structural representations of the present invention;
In the drawings: 49, valve body; 50, cartridge cover.
Fig. 7 is implementation column 7 structural representations of the present invention;
In the drawings: 29, spool; 30, backguy; 51, valve body; 52, cartridge cover.
Fig. 8 is implementation column 8 structural representations of the present invention;
In the drawings: 31, spool; 32, permanent magnet; 53, valve body; 54, solenoid.
Fig. 9 is implementation column 9 structural representations of the present invention;
In the drawings: 33, spool; 34, spring (torsion spring); 55, valve body.
Figure 10 is that the A-A of Fig. 9 is to sketch map.
Figure 11 is that the B-B of Fig. 9 is to sketch map.
The specific embodiment
Embodiment 1:
With reference to the accompanying drawings 1, valve body 41 is done across, and fan blade 1 is installed in the housing at nearly nose cup place, and fan blade is enclosed within on the blade shaft 3, and blade shaft is installed on the support 4, and pick off 2 also is installed on support or the valve body 41; The aperture 43 that loses heart is set on the housing at fan blade rear portion; Spool 22 is not parallel but perpendicular being inserted in the valve body with the air-supply air-flow, and a station of spool 22 is air-guiding holes 24, and another station is an ajutage air duct 23; Spring 21 1 ends are connected on the valve body, and the other end is connected on the spool; Spool top is the cartridge cover 44 of band working air current import.Working air current can be introduced separately into, in this example, and the double air-flow of working of air-supply air-flow.The signal of pick off 2 is passed to control module 84 and is sent CRANK PULSES to blower fan control module 83 behind pulse signal amplification module 81 amplifying signals, keep servomotor 75 and rotate blower fan 74 air feeds; Simultaneously, control module 84 is opened blow valve 73 by blow valve control module 85, and the air-supply air communication is crossed ajutage 72 to valve body 41 air-supplies; The air-supply air-flow enters spool top from cartridge cover 44, and the opposing that promotion spool 22 overcomes spring 21 enters the conducting station; Air-flow passes the spool via, enters nose cup 71, and human body is pressurizeed; At this moment, if the people is air-breathing, then form the air-flow that passes through fan blade 1 in the valve body, fan blade just changes, and pick off 2 is sensed the pulse signal from fan blade, and pulse signal is sent to control module 84 by pulse signal amplification module 81.Air velocity is fast more, and the fan blade rotating speed is fast more, and pulse signal frequency is high more.Control module 84 is obtained pressure signal by pressure signal amplification module 82 in real time.
When air-breathing end, the air-flow that passes through fan blade is tending towards stopping, and whole ajutage internal pressure raises, control module obtain just change stop and pressure in the fact that raises, can judge inspiratory phase thus and finish; Control module 84 is closed blow valve 73 by blow valve control module 85, there is not air-flow in the ajutage, the working air current of spool has also stopped, spool 22 is under the effect of the restoring force of spring 21, the air-flow that the people breathes out passes through fan blade 1, make the fan blade counter-rotating, waste gas is discharged to the atmosphere from the air duct 42 of ajutage air duct 23 on valve body.In the pulse signal input control module 84 of representative counter-rotating.
When finishing when exhaling, fan blade stops counter-rotating, can judge that at this moment expiratory phase finishes.At this moment can open blow valve 73 air-supply, can wait for that also the people's is independently air-breathing; If autonomous air-breathing generation, then air sucks human body from the air-guiding hole 24 of spool through fan blade 1, and fan blade just changes, and can judge into having taken place autonomous air-breathingly, opens blow valve 73, and auxiliary people's is air-breathing.
Embodiment 2:
With reference to the accompanying drawings 2, housing 45 is made cylindrical, and fan blade 1 is installed in the housing at nearly nose cup place, and fan blade is enclosed within on the blade shaft 3, and blade shaft is installed on the support 4, and pick off 2 also is installed on support or the housing 45; The aperture 43 that loses heart is set on the housing at fan blade rear portion; The housing middle part is provided with the aperture 46 that loses heart; Spool 25 is along being inserted in the valve body, and spool 25 has the airborne release mouth to block cylindrical, and Stroke Control cylindrical and inducing QI end face are formed; Valve core spring 27 1 ends are connected on the valve body, and the other end is connected on the spool; During air-supply, the air-supply air-flow promotes the spool against the force of the spring, and the stroke that slides is to ventilation state, and the airborne release hole is closed, and the air-supply air-flow is crossed spool air-guiding hole 26, rotates fan blade and enters nose cup; Out-of-blast, when the people exhaled, spool entered open station under the restoring force effect of spring, and the waste gas that the people discharges rotates fan blade, enters atmosphere from the toxic emission hole.Pressure signal amplification module 82 obtains pressure signal from valve body.
Embodiment 3:
With reference to the accompanying drawings 3, with embodiment 2 unique different be pressure signal to obtain the position different, pressure signal amplification module 82 obtains pressure signal from ajutage.Differ from a pressure loss empirical coefficient between the two.
Embodiment 4:
With reference to the accompanying drawings 4, the shape of fan blade is not a propeller as different from Example 2, but radial waterwheel shape.Windmill type fan blade 5 is installed in the valve body 47, and a Sensor box 48 that holds detecting element, sensor installation 2 in the lid are installed on valve body.All the other are identical with embodiment 2.
Embodiment 5:
With reference to the accompanying drawings 5, the design of the aperture that loses heart as different from Example 1.The aperture 28 that loses heart is not arranged on the valve body 41, and is arranged on the spool 22, just is arranged on specifically on the gas port 24 of spool 22.All the other are identical with embodiment 1.
Embodiment 6:
With reference to the accompanying drawings 6, the improvement of spool working air current as different from Example 1.The introducing of spool working air current does not need independent conduit.Airway is built in the cartridge cover 50 of spool; After valve body 49 linked to each other, working air current was directly introduced spool top work surface from the pipe end of supplying gas.All the other are identical with embodiment 1.
Embodiment 7:
With reference to the accompanying drawings 7, the variation of spool power mode as different from Example 1.The operation power of spool 29 is not working air current but backguy 30.Corresponding respirator inside will be provided with pull unit such as electrical hoist.All the other are identical with embodiment 1.
Embodiment 8:
With reference to the accompanying drawings 8, the variation of spool power mode as different from Example 1.The operation power of spool 31 is not working air current but electromagnetic mode.Permanent magnet 32 is embedded in the spool, and solenoid 54 is arranged on the valve body 53, and the switching of the station of spool depends on electric signal.All the other are identical with embodiment 1.
Embodiment 9:
With reference to the accompanying drawings 9, the spool move mode is a rotary type as different from Example 1.Torsional mode spool 33 is arranged in the valve body 55, connects by spring (torsion spring) 34, and working air current can make right angle of spool rotation, switches to the conducting station from the open station of air.All the other are identical with embodiment 1.
Claims (7)
1. batch (-type) air-supply appliance for treating sleep-respiratory disorder, comprise air-supply part and control section, the air-supply part is made up of blower fan, blow valve, ajutage and nose cup, control section comprises control module, blower fan control module and the blow valve control module related with it, it is characterized in that: the air-supply part is installed a valve body that can alternately change air delivery duct and ajutage air duct in the air delivery duct that nose cup picks out; Control section is provided with fan blade at nose cup and ajutage junction, at the fan blade side pick off that energy perception fan blade turns to is set also, and pick off connects pulse signal amplification module and control module.
2. batch (-type) air-supply appliance for treating sleep-respiratory disorder according to claim 1, it is characterized in that: the described spool displacement direction that alternately changes air delivery duct and ajutage air duct becomes perpendicular or parallel with the air delivery duct axis, when spool displacement direction and air delivery duct axis normal, spool sidepiece and valve body valve core spring is set, the cartridge cover top connects the air delivery duct, utilize blast pressure to make spool be indexed to the ventilation station, utilize valve core spring to revert to ajutage air duct station; When spool displacement direction is parallel with the air delivery duct axis, two stations of spool displacement when the displacement of the direction left and right sides, place, air delivery duct changes air-breathing and expiration.
3. batch (-type) air-supply appliance for treating sleep-respiratory disorder according to claim 1, it is characterized in that: described reflection human body is air-breathing, the fan blade of expiration different directions is selected a kind of in propeller type and windmill type fan blade.
4. batch (-type) air-supply appliance for treating sleep-respiratory disorder according to claim 1, it is characterized in that: described perception is air-breathing, the pick off of expiration different directions is selected a kind of in inductance type, condenser type, Hall-type, photo-electric and Doppler frequency shift formula.
5. batch (-type) air-supply appliance for treating sleep-respiratory disorder according to claim 2, it is characterized in that: the power of described spool displacement direction is the motor-driven backguy, backguy connects the spool occurrence positions and changes.
6. batch (-type) air-supply appliance for treating sleep-respiratory disorder according to claim 2 is characterized in that: the power of described spool displacement direction is that the magnetic force of burying the intravital electric magnet generation of valve underground makes the spool displacement.
7. batch (-type) air-supply appliance for treating sleep-respiratory disorder according to claim 2, it is characterized in that: described spool is a cylinder, realizes the displacement of spool behind right angle of spool displacement process spool rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100938939A CN100469397C (en) | 2007-06-25 | 2007-06-25 | Intermittent air-blowing appliance for treating sleep-respiratory disorder and its control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100938939A CN100469397C (en) | 2007-06-25 | 2007-06-25 | Intermittent air-blowing appliance for treating sleep-respiratory disorder and its control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101073683A CN101073683A (en) | 2007-11-21 |
| CN100469397C true CN100469397C (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100938939A Expired - Fee Related CN100469397C (en) | 2007-06-25 | 2007-06-25 | Intermittent air-blowing appliance for treating sleep-respiratory disorder and its control |
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| CN (1) | CN100469397C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496413B (en) * | 2015-12-15 | 2018-10-09 | 康泰医学系统（秦皇岛）股份有限公司 | A kind of spirometer lung capacity acquisition methods |
| CN106492364A (en) * | 2016-10-31 | 2017-03-15 | 山西新华化工有限责任公司 | Automatically adjust type of respiration mouth mask |
| CN106860990B (en) * | 2017-03-15 | 2017-12-19 | 吴丽敏 | A kind of medical respiration auxiliary machine |
| JP6944088B1 (en) * | 2018-09-26 | 2021-10-06 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | Contamination mask and its control method |
| CN110425679A (en) * | 2019-07-26 | 2019-11-08 | 西安建筑科技大学 | A kind of array collar vortex air supply device |
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2007
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Granted publication date: 20090318 Termination date: 20110625 |