CN202236777U - Control device of electronic PEEP (positive end expiratory pressure) valve - Google Patents
Control device of electronic PEEP (positive end expiratory pressure) valve Download PDFInfo
- Publication number
- CN202236777U CN202236777U CN2011203797864U CN201120379786U CN202236777U CN 202236777 U CN202236777 U CN 202236777U CN 2011203797864 U CN2011203797864 U CN 2011203797864U CN 201120379786 U CN201120379786 U CN 201120379786U CN 202236777 U CN202236777 U CN 202236777U
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- peep
- electromagnetic valve
- valve
- proportional solenoid
- hole
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Abstract
The utility model relates to a control device of an electronic PEEP (positive end expiratory pressure) valve. The control device of the electronic PEEP valve is as follows: a gas supply port of an electronic PEEP device is connected into a first hole position of a two-position three-way electromagnetic valve via a pipeline and then divided into two paths, one path is connected into a respiratory pipeline via a third hole position, the other path is connected into a gas inlet port of a proportional electromagnetic valve via a second hole position, the back end of a gas outlet port of the proportional electromagnetic valve is divided into two paths, one path is connected with an exhaust vapor lock, and the other path is connected with the control end of the PEEP valve; and high-pressure gas passes through the two-position three-way electromagnetic valve after entering from the gas supply port of the electronic PEEP device, the first hole position and the second hole position of the two-position three-way electromagnetic valve are communicated through software, the gas is supplied to the proportional electromagnetic valve after getting out of the second hole position, the current of the proportional electromagnetic valve is controlled through software, and the drift diameter of the proportional electromagnetic valve and the exhaust vapor lock at the back end are matched for generating the required PEEP pressure.
Description
Technical field
This utility model relates to a kind of electronics PEEP control valve device.
Background technology
PEEP is an end expiratory positive pressure, and when the end-tidal airway open, airway pressure still is kept above atmospheric pressure, subsides to prevent the alveolar atrophy.When PEEP increased unusually, the required acting of patient exhales increased and causes expiratory dyspnea, possibly cause asphyxiation hazard and work of breathing to increase.At present, the mechanical type end expiratory positive pressure control mode that respirator uses can not accurately be controlled it and exhale last pressure and the end expiratory positive pressure can't be adjustable continuously, and safety coefficient is not enough, and air consumption is high simultaneously.
Summary of the invention
The purpose of this utility model provides a kind of safety detection defencive function that has, and the patient respiration loine pressure is monitored in real time, prevents that PEEP is unusual, the electronics PEEP control valve device that range of accommodation is wide.
The technical solution of this utility model is said electronics PEEP control valve device; Its special character is: electronics PEEP device air supply opening divides two-way after inserting the position, first hole of two-bit triplet electromagnetic valve by the road; One the tunnel through the air inlet of another road of access breathing pipeline, position, the 3rd hole through position, second hole access proportional solenoid; Two-way is divided in the rear end, gas outlet of said proportional solenoid, one tunnel gas vapour lock of running in, and another road connects PEEP valve control end; After gases at high pressure get into from electronics PEEP device air supply opening; Through the two-bit triplet electromagnetic valve; This moment, software made position, two-bit triplet electromagnetic valve first hole communicate with position, second hole; Gas comes out to supply with proportional solenoid from position, second hole, and software control proportional solenoid size of current makes proportional solenoid latus rectum and rear end aerofluxus vapour lock match required PEEP pressure.
Compared with prior art, the utility model has the advantages that:
1, control is accurate, and end expiratory positive pressure is adjustable continuously;
2, safety coefficient is high;
3, to have a flow little for the proportional solenoid that uses of this device, uses with the vapour lock coupling of high-drag, can reduce the source of the gas loss.
Description of drawings
The internal duct connection layout of electronics PEEP control valve device in Fig. 1 this utility model device.
Fig. 2 is the STRUCTURE DECOMPOSITION sketch map of electronics PEEP control valve device in this utility model device.
Fig. 3 is the pneumatic diagram that this utility model respirator is exhaled the positive pressure control device in end.
Fig. 4 is the flow chart that this utility model respirator is exhaled last malleation control method.
Fig. 5 is that this utility model respirator is exhaled last positive-pressure control circuit block diagram.
The specific embodiment
This utility model below will combine accompanying drawing to do further to detail:
See also Fig. 1, shown in Figure 2; Said electronics PEEP control valve device comprises: electronics PEEP device air supply opening 11 inserts 31 backs, position, first hole of two-bit triplet electromagnetic valve 3 by the road and divides two-way, and one the tunnel through position, the 3rd hole 33 access breathing pipelines; The air inlet 41 of proportional solenoid 4 is inserted on another road through position, second hole 32; Two-way is divided in 42 rear ends, gas outlet of said proportional solenoid 4, one tunnel gas vapour lock 5 of running in, and another road connects PEEP valve control end 13; After gases at high pressure get into from electronics PEEP device air supply opening 11; Through two-bit triplet electromagnetic valve 3; This moment, software made the position, first hole 31 of two-bit triplet electromagnetic valve 3 communicate with position, second hole 32; Gas comes out to supply with proportional solenoid 4 from position, second hole 32, and software control proportional solenoid 4 size of current make proportional solenoid 4 latus rectums and rear end aerofluxus vapour lock 5 match required PEEP pressure.Said proportional solenoid 4 is connected valve gap 1 and two-bit triplet electromagnetic valve 3 at its main end face on the end face with the back of the body respectively; Be respectively equipped with electronics PEEP device air inlet 11 on the valve gap 1 and supply control QI KOU joint 13 with electronics PEEP device; Be connected proportional solenoid 4 with said main end face, the vertical side of back of the body end face, the another side with said main end face, back of the body end face, lateral vertical is connected with adaptor 6 respectively.
See also shown in Figure 3ly, respirator is exhaled the positive pressure control device in end, comprising:
The PEEP operating part is connected in electronics PEEP part patient respiration pipeline, realizes the PEEP function; Said PEEP operating part comprises: output interface and be connected to PEEP valve, electronics PEEP control section, respirator and the patient respiration pipeline of said output interface.
Electronics PEEP control section; Connect breather valve PEEP control port; Said electronics PEEP control section is controlled the latus rectum of said proportional solenoid through regulating the proportional solenoid size of current, thereby is made the gas circuit of said electromagnetic valve body rear end reach different PEEP pressure set points.Said electronics PEEP control section; Comprise: gases at high pressure get into the two-bit triplet electromagnetic valve through electronics PEEP device air inlet and pipeline; The road gases at high pressure that said two-bit triplet electromagnetic valve comes out are supplied with proportional solenoid by the road, enter atmosphere after the gases at high pressure of said proportional solenoid output are imported breather valve PEEP control port by the road respectively and imported the aerofluxus vapour lock.
When patient inhales: the proportional solenoid aperture is opened greatly in the time of patient inhales; Be complementary with the aerofluxus vapour lock; The pressure that proportional solenoid rear end cavity volume is supplied with PEEP control gas is also just big, and the diaphragm of PEEP valve blocks exhalation vents, guarantees that gas does not leak from exhalation vents.
When patient exhales: the aperture of proportional solenoid is little when patient need exhale, matches suitable PEEP pressure with the aerofluxus vapour lock, guarantees the incomplete emptying of patient's pulmonary gases.
The effect of vapour lock in the device: the just aerofluxus in gas circuit of electromagnetic valve air feed, vapour lock, the vapour lock latus rectum is certain, and the electromagnetic valve aperture is adjustable, and air feed obtains PEEP control gas variable in the gas circuit with the exhaust phase coupling.
Electromagnetic valve effect in the device: the aperture of coming application valve body through electric current, thus match required PEEP control gas with the aerofluxus vapour lock of rear end.
Two-bit triplet electromagnetic valve effect in the device: in the PEEP device, play a kind of protective effect; When the proportional solenoid operation irregularity can not turn down aperture; The PEEP controlled pressure can't lower, and patient exhales can not be discharged from exhalation vents, and pressure transducer detects patient's pipeline hypertonia; At this time the two-bit triplet electromagnetic valve stops air feed to proportional solenoid; The gas of PEEP control simultaneously can be discharged to the patient respiration pipeline from two-position three-way valve, and PEEP control gas removes, and the gas of patient respiration pipeline can be discharged from exhalation vents.
Operation principle: the PEEP valve is an electronics PEEP device operating part, and PEEP valve self band exhalation vents also is communicated with respirator respectively, PEEP control gas and patient respiration pipeline.
Gases at high pressure get into from electronics PEEP air supply opening during operate as normal; Through two-bit triplet electromagnetic valve software this moment two-bit triplet electromagnetism valve opening 1 is communicated with position, second hole; Gas comes out to supply with proportional solenoid from position, second hole, and software control proportional solenoid size of current makes proportional solenoid latus rectum and rear end aerofluxus vapour lock match required PEEP pressure.
Reveal from exhalation vents for the gas that prevents the respirator confession in the time of patient inhales; Software provides big electric current to proportional solenoid the latus rectum of proportional solenoid to be strengthened with rear end aerofluxus vapour lock at this moment and matches bigger PEEP control gas; Control gas compresses the diaphragm of exhalation vents and blocks exhalation vents, and the machine air feed of ensuring respiration is not revealed.
During patient exhales; The gas of breathing out need be discharged from exhalation vents; Software can provide less electric current to make the latus rectum of proportional solenoid reduce to match less PEEP control gas with rear end aerofluxus vapour lock to proportional solenoid this moment; (PEEP control this moment gas is to prevent the emptying of patient's pulmonary gases, and pulmonary subsides).
Fig. 4 is the running that this utility model respirator is exhaled the software instruction hardware of last malleation.When PEEP control gas brings out when unusual at present; It is higher or on the low side that software analyzes the PEEP pressure that collects at this moment; Whether the processor analysis had the adjusting record when PEEP value was higher; If there is the logging software of adjusting that position, two-position three-way valve second hole is communicated with position, the 3rd hole, the gas in the PEEP control air pipe is discharged from position, two-bit triplet electromagnetic valve the 3rd hole, stops air feed this moment and gives rear end proportional solenoid (promptly closing the PEEP function); If regulate logging software adjusting proportional solenoid electric current change latus rectum rear end control atmospheric pressure is reduced, software adjustment proportional solenoid electric current change latus rectum made the rear end control the atmospheric pressure rising when PEEP value was on the low side.
See also Fig. 4 and show, said respirator is exhaled last malleation control method, may further comprise the steps:
301) beginning;
302) obtain current PE EP pressure;
303) do you judge that current PE EP pressure is positioned at normally-pressured neighbor? Be, then remove and regulate record, get into next step, otherwise get into step 306;
304) judge whether to regulate PEEP pressure? Be, then get into next step, otherwise return step 302;
305) regulate the proportional solenoid size of current, return step 302;
306) do you judge whether current PE EP pressure excessive or too small? Too small entering next step, excessive entering step 309;
307) the too small two-bit triplet electromagnetic valve of opening returns step 302;
308) the excessive adjusting record that judged whether? Have, then get into next step, do not have, then regulate the proportional solenoid size of current, return step 302;
309) close the two-bit triplet electromagnetic valve, promptly close the PEEP function, warning is provided;
310) finish.
Fig. 5 is that this utility model respirator is exhaled last positive-pressure control circuit.
The circuit structure of said control circuit is as shown in Figure 5, comprises processor and the PEEP pressure acquisition unit, proportional solenoid valve control unit and two-bit triplet solenoid control unit, the wherein PEEP that are electrically connected with it
Pressure acquisition unit is arranged on the pressure transducer PQ3 on the breathing pipeline that is communicated with patient and said PEEP valve.
Operation principle: reveal from exhalation vents for the gas that prevents the respirator confession in the time of patient inhales; Software provides big electric current to proportional solenoid at this moment; Make the latus rectum increasing of proportional solenoid match bigger PEEP control gas with rear end aerofluxus vapour lock; Control gas compresses the diaphragm of exhalation vents and blocks exhalation vents, and the machine air feed of ensuring respiration is not revealed.
During patient exhales; The gas of breathing out need be discharged from exhalation vents; Software can provide less electric current to proportional solenoid this moment; Make the latus rectum of proportional solenoid reduce to match less PEEP control gas with rear end aerofluxus vapour lock, PEEP control this moment gas is to prevent the emptying of patient's pulmonary gases, and pulmonary subsides.
When PEEP control gas brings out when unusual at present; It is higher or on the low side that software analyzes the PEEP pressure that collects at this moment; Whether the processor analysis had the adjusting record when PEEP value was higher; If there is the logging software of adjusting that position, two-position three-way valve second hole is communicated with position, the 3rd hole, the gas in the PEEP control air pipe is discharged from position, two-bit triplet electromagnetic valve the 3rd hole, stops air feed this moment and gives rear end proportional solenoid (promptly closing the PEEP function); If regulate logging software adjusting proportional solenoid electric current change latus rectum rear end control atmospheric pressure is reduced, software adjustment proportional solenoid electric current change latus rectum made the rear end control the atmospheric pressure rising when PEEP value was on the low side.
The above is merely the preferred embodiment of this utility model, and all equalizations of being done according to this utility model claim scope change and modify, and all should belong to the covering scope of this utility model claim.
Claims (1)
1. electronics PEEP control valve device; It is characterized in that: electronics PEEP device air supply opening divides two-way after inserting the position, first hole of two-bit triplet electromagnetic valve by the road; One the tunnel through the air inlet of another road of access breathing pipeline, position, the 3rd hole through position, second hole access proportional solenoid; Two-way is divided in the rear end, gas outlet of said proportional solenoid, one tunnel gas vapour lock of running in, and another road connects PEEP valve control end; After gases at high pressure get into from electronics PEEP device air supply opening; Through the two-bit triplet electromagnetic valve; This moment, software made position, two-bit triplet electromagnetic valve first hole communicate with position, second hole; Gas comes out to supply with proportional solenoid from position, second hole, and software control proportional solenoid size of current makes proportional solenoid latus rectum and rear end aerofluxus vapour lock match required PEEP pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203797864U CN202236777U (en) | 2011-09-28 | 2011-09-28 | Control device of electronic PEEP (positive end expiratory pressure) valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203797864U CN202236777U (en) | 2011-09-28 | 2011-09-28 | Control device of electronic PEEP (positive end expiratory pressure) valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202236777U true CN202236777U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203797864U Expired - Fee Related CN202236777U (en) | 2011-09-28 | 2011-09-28 | Control device of electronic PEEP (positive end expiratory pressure) valve |
Country Status (1)
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|---|---|
| CN (1) | CN202236777U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104841055A (en) * | 2015-04-21 | 2015-08-19 | 深圳市科曼医疗设备有限公司 | Control method, device and system for breathing machine PEEP valve |
| CN104874083A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | PEEP valve verification method |
| CN105013057A (en) * | 2015-07-28 | 2015-11-04 | 深圳市安保科技有限公司 | Positive end-expiratory pressure control system and method |
-
2011
- 2011-09-28 CN CN2011203797864U patent/CN202236777U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874083A (en) * | 2014-02-28 | 2015-09-02 | 北京谊安医疗系统股份有限公司 | PEEP valve verification method |
| CN104841055A (en) * | 2015-04-21 | 2015-08-19 | 深圳市科曼医疗设备有限公司 | Control method, device and system for breathing machine PEEP valve |
| CN104841055B (en) * | 2015-04-21 | 2017-11-14 | 深圳市科曼医疗设备有限公司 | Control method, the device and system of lung ventilator PEEP valves |
| CN105013057A (en) * | 2015-07-28 | 2015-11-04 | 深圳市安保科技有限公司 | Positive end-expiratory pressure control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120530 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |