CN205411862U - Intelligent outflow resistance switches simulation respiratory device - Google Patents
Intelligent outflow resistance switches simulation respiratory device Download PDFInfo
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- CN205411862U CN205411862U CN201521013463.8U CN201521013463U CN205411862U CN 205411862 U CN205411862 U CN 205411862U CN 201521013463 U CN201521013463 U CN 201521013463U CN 205411862 U CN205411862 U CN 205411862U
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Abstract
The utility model discloses an intelligent outflow resistance switches simulation respiratory device. The utility model discloses a fan, the air cushion chamber advances the pneumatic sensor, and the gasbag goes out the pneumatic sensor, pneumatic valve, pressure transducer, signal processing and the control unit. The air cushion chamber has three round mouth, first round mouth and fan intercommunication, and the second round mouth passes through hose connection to gasbag and forms inlet channel, advances the pneumatic sensor and fixes on inlet channel, and the third round mouth passes through hose connection to pneumatic valve and forms the exhaust passage, goes out the pneumatic sensor and fixes on the exhaust passage, and pressure transducer fixes on the air cushion chamber, motion amplitude and the sufficient capacity of motion rhythm decision gasbag and the rhythm of ventilating of breathing machine of pneumatic valve, advance the pneumatic sensor, go out the pneumatic sensor, the pressure sensing all is connected to signal processing and the control unit. The utility model discloses an automatic control of the tidal volume and the rhythm of ventilating is realized to the motion amplitude and the motion rhythm of self regulating valve.
Description
Technical field
This utility model relates to a kind of intelligent resistance to outflow switching analog breathing equipment, belongs to medical equipment technological field.
Background technology
External respiration complete to need pulmonary ventilation and the participation of two processes of pulmonary ventilation, i.e. realize the extraneous gas exchange with alveolar by the air motion of turnover air flue, realized the gas exchange of alveolar and blood by blood circulation.The motion in air flue of the air-flow of turnover air flue needs thorax activity to come for it provides power, under pathologic condition, if the breathing muscle of traction thorax activity loses neural impulse, or breathe muscle fatigue can not effectively shrink, it is accomplished by borrowing resistance respirator, replaces or help to breathe muscle providing effective power support for air motion.Normal respiratory function is to sustain life and one of important physiological activity that the internal and external environment of body is stable, and respirator has become as most important life treatment equipment in modern medicine.
Lung is an elastic organ, and for the respirator of pressure-vent, the relation between its tidal volume and filling pressure depends on the elastic characteristic of lung.Owing to the elastic characteristic of lung varies with each individual, and can change because of the disease condition of patient and breathing state, therefore, venting process can not set a changeless tidal volume unalterablely, thus avoid the intrinsic pressure uncontrollable fatal defects of respirator air flue of capacity ventilation.But, just because of the changeableness of tidal volume so that its most correct use needs higher theoretical tray and training requirement, limits the popularization of its technology.
Summary of the invention
In order to overcome above deficiency, the utility model proposes a kind of intelligent resistance to outflow switching analog breathing equipment, it regulates and controls the pressure change of host computer system, the motion of autocontrol valve with the flow signal entering patient airway, thus determines rhythm and the intensity of respirator secondary air.
This utility model solves its technical problem and be the technical scheme is that
This utility model, by blower fan, air cushioning chamber, inlet air flow sensor, air bag, goes out pneumatic sensor, air valve, pressure transducer, and signal processing forms with control unit.
There are three round mouths in air cushioning chamber, first round mouth connects with blower fan, second round mouth passes through hose connection to air bag formation inlet channel, inlet air flow sensor is fixed on inlet channel, 3rd round mouth passes through hose connection to air valve formation exhaust passage, going out pneumatic sensor to be fixed on exhaust passage, pressure transducer is fixed on air cushioning chamber；The motion amplitude of air valve and movement rhythm determine full capacity and the ventilation rhythm of respirator of air bag；Inlet air flow sensor, go out pneumatic sensor, pressure sensing is all connected to signal processing and control unit, it is respectively used to detect the ventilation flow rate of inlet channel of breathing equipment, the ventilation flow rate of exhaust passage and airway pressure, and signal will be collected is transferred to signal processing and control unit；Signal processing and control unit utilize information acquisition card to realize the transmission of signal, are driven blower fan and air valve and operate control, it is achieved the various functions of breathing equipment.
Furtherly, described signal processing and control circuit include that power module, motor signal filtration module, valve motion-control module, the gentle piezoelectricity of flow processing module press processing module；Wherein, air pressure voltage processing module is made up of voltage subtraction module, voltage amplification module gentle piezoelectricity pressure filtration module；Power module provides voltage for system, air pressure voltage filter module is sent to voltage subtraction module after being filtered by air pressure voltage signal, voltage amplification module is sent to computer after being amplified the voltage signal that voltage subtraction module exports, flow processing module is sent to computer after being filtered by air-flow voltage signal, motor signal filtration module controls the motion of blower fan according to the instruction of computer export, and valve motion-control module controls the motion of air valve according to the instruction of computer export.
The beneficial effects of the utility model are: realize automatically controlling of tidal volume and ventilation rhythm by the motion amplitude of self regulating valve and movement rhythm, it is easy to operation.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is signal processing and control schematic diagram；
Fig. 3 is power module circuitry figure；
Fig. 4 is motor signal filtration module circuit diagram；
Fig. 5 is valve motion-control module circuit diagram；
Fig. 6 is flow processing module circuit diagram；
Fig. 7 is air pressure voltage filter module circuit diagram；
Fig. 8 is voltage subtraction module circuit diagram；
Fig. 9 is voltage amplification module circuit diagram.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present embodiment is by blower fan 1, air cushioning chamber 2, inlet air flow sensor 3, air bag 4, goes out pneumatic sensor 5, air valve 6, pressure transducer 7 and signal processing and form with control unit 8.Wherein, signal processing and control unit 8 include signal processing and the control software of signal processing and control circuit and computer loading.There are 3 round mouths in air cushioning chamber 2,1 port connects with blower fan 1,2 ports form inlet channel by hose connection to air bag 4, inlet air flow sensor 3 is fixed on inlet channel, 3 ports form exhaust passage by hose connection to air valve 6, going out pneumatic sensor 5 to be fixed on exhaust passage, pressure transducer is fixed on air cushioning chamber.Inlet air flow sensor 3, go out pneumatic sensor 5, pressure transducer 7 is all connected to signal processing and control unit 8.
Blower fan 1 provides oxygen for respirator under suction condition, and air bag 4 is for test lung, and air is entered air bag 4 by air cushioning chamber 2, slow down air direct current and makes air-flow evenly releive.Inlet air flow sensor 3, go out pneumatic sensor 5 and pressure transducer 7 is respectively used to detect the ventilation flow rate of inspiration limb of respirator, the ventilation flow rate of expiration branch road and airway pressure, and flow signal will be collected and pressure signal is transferred to signal processing and is further processed with control unit 8, and then blower fan 1 and air valve 6 are driven and control, it is achieved the various functions of breathing equipment.
As in figure 2 it is shown, signal processing is made up of power module 9, motor signal filtration module 10, valve motion-control module 11, flow processing module 12 gentle piezoelectricity pressure processing module 13 with control circuit.Wherein, air pressure voltage processing module 13 includes voltage subtraction module, voltage amplification module gentle pressure filtration module.Power module 9 provides voltage, signal processing and control circuit and the signal processing of computer loading for system and controls to realize signal transmission by information acquisition card between software.It is sent to voltage subtraction module after the voltage signal filtering of two pressure that pressure transducer 7 is exported by air pressure filtration module, voltage amplification module 11 will process after voltage amplification 100 times after be sent to computer, flow processing module 12 is sent to computer after intake flow sensor 3 and the voltage signal going out the airflow signal that pneumatic sensor 5 exports being filtered, motor signal filtration module 10 controls the motion of blower fan 1 according to the instruction of computer export, and valve motion-control module 11 controls the motion of air valve 6 according to the instruction of computer export.
As it is shown on figure 3, power module 9 includes AMS1117 manostat two, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18, electric capacity C19, electric capacity C20, electric capacity C21, electric capacity C22, resistance R9, resistance R10, resistance R11,7905 voltage stabilizing chip and CON4 socket.CON4 socket 1 foot ground connection, 2 feet connect 12V voltage, and 3 feet connect-12V voltage, and 4 feet connect 5V voltage.First AMS1117 manostat foot 1 ground connection, foot 2 connects 5V voltage, and connects electric capacity C3 anode, and electric capacity C3 other end ground connection, C3 with C4 is in parallel；Foot 3 connects 12V voltage, and connects C2 anode, and C2 other end ground connection, C2 with C1 is in parallel.Second AMS1117 manostat 2 foot connects 10V voltage, and connects R9 one end, R9 another termination AMS1117 manostat 1 foot and R10 one end, R10 with R11 connects, R11 other end ground connection, and AMS1117 manostat 2 foot connects electric capacity C7 anode simultaneously, C7 other end ground connection, C8 with C7 is in parallel；AMS1117 manostat 3 foot connects 12V voltage, and connects electric capacity C6 anode, and C6 other end ground connection, electric capacity C5 with C6 is in parallel.7905 voltage stabilizing chip 1 foot ground connection；2 feet connect-12V voltage, and connect electric capacity C20 negative terminal, and C20 other end ground connection, electric capacity C19 with C20 is in parallel；3 feet connect-5V voltage, and connect electric capacity C21 negative terminal, and C21 other end ground connection, electric capacity C22 with C21 is in parallel.
As shown in Figure 4, motor signal filtration module includes electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18.Electric capacity C13, C14 and C15 are in parallel, and a termination breather valve drives first CON2 socket 1 foot in module, other end ground connection；C16, C17 and C18 are in parallel, and a termination breather valve drives first CON2 socket 2 foot in module, other end ground connection.
As it is shown in figure 5, valve motion-control module includes CON2 socket two, L9110 single-chip microcomputer, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19.L9110 single-chip microcomputer 1 foot is sequentially connected in series with resistance R16, R12, R15, another first CON2 socket 1 foot of termination of resistance R15；L9110 single-chip microcomputer 2 foot and 3 feet are connected and access 5V voltage；L9110 single-chip microcomputer 4 foot is sequentially connected in series with resistance R18, R19, R17, another first CON2 socket 1 foot of termination of resistance R17；L9110 single-chip microcomputer 5 foot and 8 feet are connected and ground connection；L9110 single-chip microcomputer 6 foot meets second CON2 socket 2 foot and resistance R14 simultaneously, and another termination R13 of resistance R14 and access 5V voltage, the resistance R13 other end connects L9110 single-chip microcomputer 7 foot and second CON2 socket 1 foot simultaneously.
As shown in Figure 6, flow processing module includes CON3 socket two, resistance R5, resistance R6, resistance R7, resistance R8, electric capacity C13, electric capacity C14, electric capacity C15, electric capacity C16, electric capacity C17, electric capacity C18.First CON3 socket 1 foot ground connection, 2 feet connect 10V voltage, 3 foot connecting resistance R5, R5 other end connecting resistance R6 and LLout1, the resistance R6 other end is connected with R8 and ground connection, R8 another second CON3 socket 3 foot of termination of another termination LLout2 and resistance R7, resistance R7, second CON3 socket 2 foot connects 10V voltage, 1 foot ground connection.
As it is shown in fig. 7, air pressure voltage filter module includes CON2 socket, CON4 socket, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12.CON2 socket 2 foot and electric capacity C9, C10 anode is connected, and electric capacity C11 and C12 is in parallel with C10, electric capacity other end ground connection.CON4 socket 1 foot ground connection, 2 feet connect 100OPAMP single-chip microcomputer 5 foot in voltage amplification module, and 3 feet connect the line in flow meter signal processing module between resistance R7, R8, and 4 feet connect the line in flow meter signal processing module between resistance R5, R6.
As shown in Figure 8, voltage subtraction module includes CON4 socket, OP07 single-chip microcomputer, resistance R1, resistance R2, resistance R3, resistance R4.CON4 socket 1 foot connects 5V voltage；Another termination R4 and OP07 single-chip microcomputer 3 foot of 2 foot connecting resistance R3, R3, resistance R4 other end ground connection；3 foot ground connection；4 foot connecting resistance R2 one end, R2 other end connecting resistance R1 and OP07 single-chip microcomputer 2 foot, the resistance R1 other end connects in OP07 single-chip microcomputer 6 foot, air pressure voltage filter module 100OPAMP single-chip microcomputer 2 foot in CON2 socket 1 foot and voltage amplification module simultaneously.OP07 single-chip microcomputer 4 foot connects-5V voltage, and 7 feet connect 5V voltage, and 1 foot, 5 feet and 8 feet do not connect.
As it is shown in figure 9, voltage amplification module includes 100OPAMP single-chip microcomputer, CON2 socket.100OPAMP single-chip microcomputer 1 foot, 4 feet and 6 feet connect sky；3 feet and 8 foot ground connection；7 feet connect 5V voltage.CON2 socket bipod is connected and ground connection.
Breathing equipment is initially ventilated with default running parameter, the method using the motion amplitude of successive adjustment valve subsequently makes actual tidal volume close to target tidal volume, namely according to actual tidal volume obtained by previous ventilation air pressure and the inspiratory phase flow curve integration surveyed by flow transducer, calculate and adjust ventilation air pressure next time, so that tidal volume next time is as close possible to the desired value set, thus realize the regulating and controlling ventilating of target tidal volume.
Claims (2)
1. an intelligent resistance to outflow switching analog breathing equipment, by blower fan, air cushioning chamber, inlet air flow sensor, air bag, goes out pneumatic sensor, air valve, pressure transducer, and signal processing forms with control unit, it is characterised in that:
There are three round mouths in air cushioning chamber, first round mouth connects with blower fan, second round mouth passes through hose connection to air bag formation inlet channel, inlet air flow sensor is fixed on inlet channel, 3rd round mouth passes through hose connection to air valve formation exhaust passage, going out pneumatic sensor to be fixed on exhaust passage, pressure transducer is fixed on air cushioning chamber；The motion amplitude of air valve and movement rhythm determine full capacity and the ventilation rhythm of respirator of air bag；Inlet air flow sensor, go out pneumatic sensor, pressure sensing is all connected to signal processing and control unit, it is respectively used to detect the ventilation flow rate of inlet channel of breathing equipment, the ventilation flow rate of exhaust passage and airway pressure, and signal will be collected is transferred to signal processing and control unit；Signal processing and control unit utilize information acquisition card to realize the transmission of signal, are driven blower fan and air valve and operate control, it is achieved the various functions of breathing equipment.
One the most according to claim 1 intelligent resistance to outflow switching analog breathing equipment, it is characterised in that: described signal processing and control circuit include that power module, motor signal filtration module, valve motion-control module, the gentle piezoelectricity of flow processing module press processing module；Wherein, air pressure voltage processing module is made up of voltage subtraction module, voltage amplification module gentle piezoelectricity pressure filtration module；Power module provides voltage for system, air pressure voltage filter module is sent to voltage subtraction module after being filtered by air pressure voltage signal, voltage amplification module is sent to computer after being amplified the voltage signal that voltage subtraction module exports, flow processing module is sent to computer after being filtered by air-flow voltage signal, motor signal filtration module controls the motion of blower fan according to the instruction of computer export, and valve motion-control module controls the motion of air valve according to the instruction of computer export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013463.8U CN205411862U (en) | 2015-12-08 | 2015-12-08 | Intelligent outflow resistance switches simulation respiratory device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521013463.8U CN205411862U (en) | 2015-12-08 | 2015-12-08 | Intelligent outflow resistance switches simulation respiratory device |
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| CN205411862U true CN205411862U (en) | 2016-08-03 |
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| CN201521013463.8U Expired - Fee Related CN205411862U (en) | 2015-12-08 | 2015-12-08 | Intelligent outflow resistance switches simulation respiratory device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381526A (en) * | 2015-12-08 | 2016-03-09 | 杭州电子科技大学 | Intelligent outflow resistance switching simulation breathing apparatus |
| CN106989767A (en) * | 2016-12-16 | 2017-07-28 | 纳智源科技（唐山）有限责任公司 | A kind of friction sensing testing device for simulating human body micromotion |
| WO2018107738A1 (en) * | 2016-12-16 | 2018-06-21 | 纳智源科技（唐山）有限责任公司 | Triboelectric sensor testing device simulating vital sign |
| CN113611199A (en) * | 2021-06-24 | 2021-11-05 | 四川大学 | Simple respiration simulation device |
-
2015
- 2015-12-08 CN CN201521013463.8U patent/CN205411862U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381526A (en) * | 2015-12-08 | 2016-03-09 | 杭州电子科技大学 | Intelligent outflow resistance switching simulation breathing apparatus |
| CN105381526B (en) * | 2015-12-08 | 2017-12-01 | 杭州电子科技大学 | Intelligent resistance to outflow switches analog breathing equipment |
| CN106989767A (en) * | 2016-12-16 | 2017-07-28 | 纳智源科技（唐山）有限责任公司 | A kind of friction sensing testing device for simulating human body micromotion |
| WO2018107738A1 (en) * | 2016-12-16 | 2018-06-21 | 纳智源科技（唐山）有限责任公司 | Triboelectric sensor testing device simulating vital sign |
| CN106989767B (en) * | 2016-12-16 | 2020-07-24 | 纳智源科技（唐山）有限责任公司 | Friction sensing testing device for simulating human body micro-motion |
| CN113611199A (en) * | 2021-06-24 | 2021-11-05 | 四川大学 | Simple respiration simulation device |
| CN113611199B (en) * | 2021-06-24 | 2022-09-20 | 四川大学 | Simple respiration simulation device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20181208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |