CN110464933A - Breathing Suppotion equipment air flue and safety control system and control method - Google Patents
Breathing Suppotion equipment air flue and safety control system and control method Download PDFInfo
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- CN110464933A CN110464933A CN201910617143.XA CN201910617143A CN110464933A CN 110464933 A CN110464933 A CN 110464933A CN 201910617143 A CN201910617143 A CN 201910617143A CN 110464933 A CN110464933 A CN 110464933A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1005—Preparation of respiratory gases or vapours with O2 features or with parameter measurement
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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- Emergency Medicine (AREA)
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- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The present invention provides a kind of Breathing Suppotion equipment air flue and safety control system and control method, wherein, a kind of Breathing Suppotion equipment air flue, comprising: main intake channel, deposit intake channel and breathing mask, the main intake channel intake channel and connects with deposit, connect respectively with breathing mask；The front end of the main intake channel gas outlet is equipped with gas outlet pressure sensor；The breathing mask includes mask body, and the mask body, which is equipped with, adopts pressure mouth, and the pressure mouth of adopting is equipped with mask pressure sensor.A kind of Breathing Suppotion apparatus control method is also provided, processor module, turbine module, pressure sensor and the power module of the Breathing Suppotion apparatus control system are respectively equipped with spare module, it can work together, it can work independently again and complete function of supplying gas, when one of module failure, another module can substitute the work of current block, maintain Breathing Suppotion equipment output setting pressure, user's eupnea is maintained, guarantees user's life security.
Description
Technical field
The present invention relates to Medical Devices manufacturing technology field, particularly a kind of Breathing Suppotion equipment air flue and security controls
System and control method.
Background technique
In medical respiration holding equipment (such as ventilator, high flow capacity breathe humidification instrument) field, Breathing Suppotion equipment is made
For one of life support equipment, it should there is stable working performance, even if also wanting energy under a functional module failure wherein
Degrade and use, there can be no the generations for stopping gas supply phenomenon, guarantee the life security of personnel.
The Breathing Suppotion equipment working principle of turbine feed gas mode is: Breathing Suppotion device handler passes through acquisition patient end
Pressure control secondary speed reach pressure set by user.Existing medical respiration holding equipment is all by each function mould
Block composition, for example be usually to be made of four turbine control module, algoritic module, display module, power module parts.When it
In a module failure when Breathing Suppotion equipment will stop working.Present producer is all by from module type selecting, design, always
The stability for holding equipment that change is tested and the means such as time-based maintenance detection ensure respiration.It is consistent due to electronic component itself
Property cannot be guaranteed 100%, and aging cannot detected whole issue completely in the short time, and make with Breathing Suppotion equipment
With electronic component aging is easier individual component damage occur, causes Breathing Suppotion equipment cisco unity malfunction.Breathing Suppotion is set
Standby interiors of products has a large amount of electronic component, there is no assurance that individual component is out of order.There are many cases in reality because a
The failure of other element causes Breathing Suppotion equipment to stop working, and causes human life dangerous.
Traditional, a kind of pneumatic respirator (CN201510847047) with security monitoring function based on Internet of Things is public
A kind of pneumatic respirator is opened, including central control unit, the Breathing Suppotion equipment structure being electrically connected with central control unit and monitoring
Alarm mechanism, the Breathing Suppotion equipment structure include air-breathing compressed air source unit, damper, oxygen pressure device, respiration control device, lung
Measuring device living and breathing mouth, the air-breathing compressed air source unit are connected to damper, and the oxygen pressure device is connected to damper,
The pneumatic respirator with security monitoring function based on Internet of Things can be realized staff couple by wireless communication module
User monitors the service condition of respirator in real time；Make oxygen source pressure warning unit, electricity by monitoring, alarming module
Source disconnecting warning device, switch failure warning device, temperature-detecting device, horizontal plane sensor and air flue device for pressure measurement pair
The working condition of respirator is monitored in real time, and and alarm, improve the reliability of respirator, but the invention is only right
The modules of Breathing Suppotion equipment are monitored in real time, are then alarmed, and play certain security role, but for failure
The processing time still can bring unpredictable risk to patient.
Therefore, need a kind of reliable Breathing Suppotion equipment of functional safety, reduce the failure rate of its own, with reduce to trouble
The risk of person.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of Breathing Suppotion equipment air flue and security control are proposed
System and control method, processor module, turbine module, pressure sensor and the power module of Breathing Suppotion equipment are respectively equipped with
Spare module can work together and work independently and complete function of supplying gas, when one of module failure, another
Module can substitute the work of current block, maintain Breathing Suppotion equipment output setting pressure, maintain user's eupnea, guarantee
User's life security.
To achieve the goals above, the present invention provides a kind of Breathing Suppotion equipment air flue, comprising:
The inlet port of main intake channel, including turbine and main intake channel gas outlet, the turbine is equipped with for controlling
The front end of the first switch valve of air on-off, the main intake channel gas outlet is equipped with gas outlet pressure sensor；
Oxygen intake channel, including hyperbaric oxygen air inlet and air storage bag, hyperbaric oxygen inlet port are equipped with for controlling high pressure
The second switch valve of oxygen on-off, air storage bag are located at second switch valve rear end, and air storage bag passes through the access oxygen in parallel of third switch valve 25
Gas intake channel；
Breathing mask includes mask body, and the mask body, which is equipped with, adopts pressure mouth, and the pressure mouth of adopting is passed equipped with mask pressure
Sensor；
The oxygen intake channel accesses main intake channel in turbine air-intake front end；
The mask body is connect by appendix with main intake channel gas outlet.
Further, the main intake channel further includes mixed gas flow sensor, the mixed gas flow sensing
Device is located between the oxygen intake channel access port and gas outlet pressure sensor.
Further, the oxygen intake channel further includes oxygen pressure sensor and oxygen flow sensor, the oxygen
Air pressure force snesor is located on oxygen air inlet primary path, and the oxygen intake channel outlet port is additionally provided with oxygen flow sensing
Device is additionally provided with proportioning valve between the air storage bag and oxygen flow sensor.
Further, the gas outlet pressure sensor is used to detect the pressure at main intake channel gas outlet, the face
Cover pressure sensor is used to detect the pressure of mask body human body sucking.
Further, the mixed gas flow sensor is for detecting mixed gas flow value in main intake channel.
Further, the oxygen pressure sensor is used to detect the oxygen pressure in oxygen intake channel.
Further, the oxygen flow sensor is for detecting oxygen stream magnitude in oxygen intake channel.
Further, the third switch valve is used to control the on-off of hyperbaric oxygen in air storage bag.
Further, the proportioning valve is for adjusting hyperbaric oxygen output quantity.
The present invention also provides a kind of Breathing Suppotion equipment safety control system using the Breathing Suppotion equipment air flue,
It is characterized in that, comprising:
Processor；Including turbine control processor and algorithm processor, the algorithm processor and turbine control processor
It is communicated by universal digital interface；
Under normal circumstances, the turbine control processor control secondary speed is patient's gas supply, the algorithm processor meter
Calculate the respiratory state and respiration parameter of patient；When turbine control processor breaks down, the algorithm processor acquires mask pressure
Force snesor pressure, and control secondary speed；When algorithm processor breaks down, the turbine control processor acquires mask pressure
Force snesor pressure, and control secondary speed；
Power module, including alternating current 220V module and battery module, the alternating current 220V module are depressured mould by AC power supplies
Block is reduced to 24V voltage, and the battery module is 24V voltage, and the alternating current 220V module and battery module are in parallel, normal condition
Under, by alternating current 220V module for power supply, battery module is backup power source, and alternating current 220V module breaks down, and battery module starting supplies
Electricity；
It is that turbine control processor and gas outlet pressure sensor supply that the power module passes through the first voltage reduction module respectively
Electricity, also passing through the second voltage reduction module respectively is algorithm processor, oxygen pressure sensor and the power supply of mask pressure sensor.
Further, the Breathing Suppotion equipment safety control system further includes display module, and the power module passes through
Third voltage reduction module is display module power supply.
Further, the power module is powered directly to turbine.
Further, the power module is oxygen flow sensor, mixed gas flow biography by the 4th voltage reduction module
Sensor, proportioning valve, first switch valve, second switch valve and the power supply of third switch valve.
The present invention also provides a kind of control method of Breathing Suppotion equipment safety control system, step includes:
S1: system electrification starts control system；
S2: checking that algorithm processor and turbine control processor state judge whether normally,
S21: algorithm processor and turbine control processor are all normal, and algorithm processor reads user's setup pressure value and counts
The pressure P that patient needs is calculated, is then sent to turbine control processor, turbine control processor acquires mask pressure sensing respectively
Device pressure P1 and gas outlet pressure sensor pressure P2；
S22: when turbine control processor failure, algorithm processor reads user's setup pressure value, and calculating patient need to
The pressure P wanted, algorithm processor acquire mask pressure sensor pressure P1, and algorithm processor controls turbine, while algorithm process
Device issues fault alarm prompt；
S23: when algorithm processor device failure, turbine control processor acquires mask pressure sensor pressure P1, algorithm
Processor controls turbine, while turbine control processor issues fault alarm prompt；
S3: under normal circumstances, compare the collected mask pressure cell pressure P1 of turbine control processor and gas outlet
Whether pressure sensor pressure P2 is equal, determines feedback control amount；
S4: turbine control processor controls turbine output pressure P as patient's gas supply；
S5: algorithm processor acquires turbine electric current I, and is compared with user's setting value；If there is abnormal, turbine
Control processor notifies algorithm processor turbine to break down, algorithm processor warning note turbine failure, and prompts in high pressure
Oxygen air inlet accesses compressed air, starting air storage bag gas supply.
Further, it is determined that the step of control amount, is as follows:
S31: if P1=P2, using mask pressure cell pressure P1 as feedback control amount；
S32: if P1 ≠ P2, turbine control processor controls turbine and increases power, and turbine control processor distinguishes collection surface
Cover pressure sensor pressure P1' and gas outlet pressure sensor pressure P2'；
Compare the value of P1' and P1, if P1=P1', judges that mask pressure sensor breaks down, with gas outlet pressure sensing
P2 is as feedback control amount for device pressure；If P1 ≠ P1', judge that outlet pressure cell pressure breaks down, with mask pressure
Cell pressure P1 is as feedback control amount；
Compare the value of P2' and P2, if P2=P2', judges that outlet pressure cell pressure breaks down, with mask pressure
Cell pressure P1 is as feedback control amount；If P2 ≠ P2', judge that mask pressure sensor breaks down, with gas outlet pressure
Cell pressure P2 is as feedback control amount.
Further, the step of starting air storage bag supplies is as follows:
S51: third switch valve is opened in algorithm processor control, closes first switch valve；
S52: algorithm processor controls proportioning valve, using the collected pressure P1 of algorithm processor as control amount；
S53: second switch valve is opened in algorithm processor control, is closed third switch valve, is acquired oxygen pressure sensor
Pressure P3；
S54: the pressure P3 of oxygen pressure sensor acquisition compared with setting value,
P3 is greater than the set value, and second switch valve and third switch valve are opened in extraneous gas access, algorithm processor control, is led to
Cross control proportioning valve output pressure；
P3 is less than setting value, and extraneous gas does not access, and second switch valve is closed in algorithm processor control, opens third switch
Valve, by controlling proportioning valve output pressure.
Since present invention employs above technical scheme, the beneficial effect for having the application is:
1, Breathing Suppotion equipment air flue of the invention is equipped with air storage bag, when turbine control processor controls turbine rotation, inspection
Setting value is not achieved in the operating current for surveying turbine, judges turbine failure, and returns to the instruction of algorithm processor turbine failure, calculates
Method processor controls first switch valve and closes, and third switch valve is opened, and the high pressure oxygen in air storage bag is transported to patient end, and
Prompt accesses compressed air in hyperbaric oxygen air inlet, greatly reduces since turbine failure gives patient's bring risk.
2, Breathing Suppotion equipment air flue of the invention uses dual pressure sensor, and mask pressure sensor detects mask side pressure
Power, gas outlet pressure sensor detect main intake channel gas outlet pressure, handle the two pressure sensors of real-time monitoring, normally
In the case of closed-loop control turbine done according to mask end pressure, main intake channel outlet port pressure sensing is prevented as auxiliary detection
Only pressure sensor fails because of single failure.
3, the processor of Breathing Suppotion equipment safety control system of the invention includes at algorithm processor and turbine control
Device is managed, turbine control processor can calculate respiratory state for patient's gas supply, at the algorithm for controlling secondary speed
Reason device is used to calculate respiratory state and respiration parameter, while being capable of independent control turbine；The algorithm processor and turbine control
Processor processed is communicated by universal digital interface；When any processor breaks down, the holding equipment that can ensure respiration is not stopped
Machine guarantees what safety of patient.
4, power module of the invention, including alternating current 220V module and battery module, the alternating current 220V module pass through AC
Power voltage step down module is reduced to 24V voltage, and the battery module is 24V voltage, and the alternating current 220V module and battery module are in parallel,
Under normal circumstances, by alternating current 220V module for power supply, battery module is backup power source, and alternating current 220V module breaks down, battery mould
Block starting power supply；It is turbine control processor and gas outlet pressure sensor that the power module passes through the first voltage reduction module respectively
Power supply, also passing through the second voltage reduction module respectively is algorithm processor, oxygen pressure sensor and the power supply of mask pressure sensor.In
When single failure occurs in power module, 24V voltage interruption probability is greatly reduced, and passes through the first voltage reduction module or the second voltage reduction module
The power supply of Breathing Suppotion device systems is stood alone as, when the first voltage reduction module or one of them failure of the second voltage reduction module, also
There are a path processor and pressure sensor to have electricity, ensures that single failure occur even if power module in this way, turbine power supply,
Processor power supply and pressure sensor power supply can also operate normally.
5, the processor module of Breathing Suppotion equipment of the invention, turbine module, pressure sensor and power module difference
Equipped with spare module, it can work together and work independently and complete function of supplying gas, when one of module failure, in addition
One module can substitute the work of current block, maintain Breathing Suppotion equipment output setting pressure, maintain user's eupnea,
Guarantee user's life security.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of Breathing Suppotion equipment air passage structure schematic diagram of the present invention.
Fig. 2 is power module structure block diagram of the present invention.
Fig. 3 is a kind of control system block diagram of Breathing Suppotion device handler of the present invention.
Fig. 4 is a kind of flow chart of the control method of Breathing Suppotion equipment safety control system of the present invention.
Appended drawing reference is as follows: 1, main intake channel；10, main intake channel air inlet；11, first switch valve；12, turbine；
13, mixed gas flow sensor；14, gas outlet pressure sensor；15, main intake channel gas outlet；16, mask pressure senses
Device；2, oxygen intake channel；21, hyperbaric oxygen air inlet；22, second switch valve；23, oxygen pressure sensor；24, proportioning valve；
25, third switch valve；26, air storage bag；27, oxygen flow sensor；3, breathing mask；31, appendix；32, mask body；
33, pressure mouth is adopted.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
With with reference to the accompanying drawing and specific embodiment the invention will be further described:
Embodiment 1: Breathing Suppotion equipment air flue embodiment
Referring to Fig.1, the present embodiment provides a kind of Breathing Suppotion equipment air flues, comprising:
The inlet port of main intake channel 1, including turbine 12 and main intake channel gas outlet 10, turbine 12 is equipped with for controlling
The front end of the first switch valve 11 of air on-off processed, main intake channel gas outlet 15 is equipped with gas outlet pressure sensor 14；
Oxygen intake channel 2, including hyperbaric oxygen air inlet 21 and air storage bag 26,21 end of hyperbaric oxygen air inlet are equipped with for controlling
The second switch valve 22 of hyperbaric oxygen on-off processed, air storage bag 26 are located at second switch valve rear end, and air storage bag 26 passes through third switch valve
25 access oxygen intake channels 2 in parallel；
Breathing mask 3 includes mask body 32, and mask body 32, which is equipped with, adopts pressure mouth 33, adopts pressure mouth 33 and passes equipped with mask pressure
Sensor 16；
Oxygen intake channel 2 accesses main intake channel 1 in 12 air inlet front end of turbine；
Mask body 32 is connect by appendix 31 with main intake channel gas outlet 15.
As a preferred embodiment/embodiment, referring to Fig.1, main intake channel 1 further include mixed gas flow sensor
13, mixed gas flow sensor 13 is located between 2 access port of oxygen intake channel and gas outlet pressure sensor 14.
As a preferred embodiment/embodiment, referring to Fig.1, oxygen intake channel 2 further include oxygen pressure sensor 23,
Oxygen pressure sensor 23 is located at the rear end of second switch valve 22, and 2 outlet port of oxygen intake channel is additionally provided with oxygen flow biography
Sensor 27, is additionally provided with proportioning valve 24 between air storage bag 26 and oxygen flow sensor 27, proportioning valve 24 is defeated for adjusting hyperbaric oxygen
Output.
It should be noted that gas outlet pressure sensor 14 is used to detect the pressure at main intake channel gas outlet 15, face
Cover pressure sensor 16 is used to detect the pressure of 32 human body of mask body sucking.
Mixed gas flow sensor 13 is for detecting mixed gas flow value in main intake channel 1.
Oxygen pressure sensor 23 is used to detect the oxygen pressure in oxygen intake channel 2.
Oxygen flow sensor 27 is for detecting oxygen stream magnitude in oxygen intake channel.
Third switch valve 25 is used to control the on-off of hyperbaric oxygen in air storage bag 26.
The Breathing Suppotion equipment safety control system for the Breathing Suppotion equipment air flue that embodiment 1 provides, reference Fig. 2 and Fig. 3,
Include:
Processor；Including turbine control processor and algorithm processor, the algorithm processor and turbine control processor
It is communicated by universal digital interface；
Under normal circumstances, turbine control processor control 12 revolving speed of turbine is patient's gas supply, the algorithm processor
Calculate the respiratory state and respiration parameter of patient；When turbine control processor breaks down, the algorithm processor acquires mask
Pressure sensor pressure 16, and control 12 revolving speed of turbine；When algorithm processor breaks down, the turbine control processor acquisition
Mask pressure cell pressure 16, and control 12 revolving speed of turbine；When any processor breaks down, the support that can ensure respiration is set
It is standby not shut down, what safety of patient guaranteed.
The algorithm processor is for acquiring gas outlet pressure sensor 14, mask pressure sensing 16, mixed gas flow
Sensor 13 and 27 numerical value of oxygen flow sensor simultaneously calculate respiratory state and respiration parameter, and are added in algorithm processor
Turbine control algolithm realizes independent control turbine 12；The turbine control processor controls turbine according to collected pressure value
12 revolving speeds reach rapidly the pressure value that algorithm processor needs, and breathing algorithm are added in turbine control processor, and detection is suffered from
Person's respiratory state, it is independent to realize gas supply.The single powerful processor of traditional Breathing Suppotion equipment is designed in the present invention
For two processors, algorithm processor is used for algorithm process, and turbine control processor is both prevented in this way for controlling the operating of turbine 12
Breathing Suppotion equipment downtime when single processor breaks down is stopped, and has facilitated system development, modularized design facilitates later period function
It can transplanting and system failure maintenance.
Power module, including alternating current 220V module and battery module, the alternating current 220V module are depressured mould by AC power supplies
Block is reduced to 24V voltage, and the battery module is 24V voltage, and the alternating current 220V module and battery module are in parallel, normal condition
Under, by alternating current 220V module for power supply, battery module is backup power source, and alternating current 220V module breaks down, and battery module starting supplies
Electricity, when single failure occurs in power module, 24V voltage interruption probability is greatly reduced；
It is turbine control processor and gas outlet pressure sensor 14 that the power module passes through the first voltage reduction module respectively
Power supply, also passing through the second voltage reduction module respectively is that algorithm processor, oxygen pressure sensor 13 and mask pressure sensor 16 supply
Electricity.When the first voltage reduction module or one of them failure of the second voltage reduction module, there are also a path processor and pressure sensors
There is electricity, ensures that single failure, turbine power supply, processor power supply and pressure sensing occur even if power module in this way
Device power supply can also operate normally.
As a preferred embodiment/embodiment, the Breathing Suppotion equipment safety control system further includes display module, institute
It is display module power supply that power module, which is stated, by third voltage reduction module.
As a preferred embodiment/embodiment, the power module are powered directly to turbine 12.
As a preferred embodiment/embodiment, the power module are oxygen flow sensor by the 4th voltage reduction module
23, mixed gas flow sensor 13, proportioning valve 24, first switch valve 11, second switch valve 22 and third switch valve 25 are powered.
The control method for the Breathing Suppotion equipment safety control system that embodiment 1 provides, referring to Fig. 4, step includes:
S1: system electrification starts control system；
S2: checking algorithm processor and turbine control processor state, judges whether normally,
S21: algorithm processor and turbine control processor are all normal, and algorithm processor reads user's setup pressure value and counts
The pressure P that patient needs is calculated, is then sent to turbine control processor, turbine control processor acquires mask pressure sensing respectively
Device pressure P1 and gas outlet pressure sensor pressure P2；
S22: when turbine control processor failure, algorithm processor reads user's setup pressure value, and calculating patient need to
The pressure P wanted, algorithm processor acquire 16 pressure P1 of mask pressure sensor, and algorithm processor controls turbine 12, while algorithm
Processor issues fault alarm prompt；
S23: when algorithm processor device failure, turbine control processor acquires 16 pressure P1 of mask pressure sensor, calculates
Method processor controls turbine 12, while turbine control processor issues fault alarm prompt；
S3: under normal circumstances, compare the collected 16 pressure P1 of mask pressure sensor of turbine control processor and outlet
Whether 14 pressure P2 of mouth pressure sensor is equal, determines feedback control amount；
S4: turbine control processor controls turbine output pressure P as patient's gas supply；
S5: algorithm processor acquires 12 operating current I of turbine, and is compared with user's setting value；If there is abnormal, whirlpool
It takes turns control processor notice algorithm processor turbine to break down, algorithm processor warning note turbine failure, and prompts in height
Oxygen air inlet 21 is pressed to access compressed air, starting air storage bag 26 supplies.
As a preferred embodiment/embodiment, referring to Fig. 4, the step of determining feedback control amount, is as follows:
S31: if P1=P2, using 16 pressure P1 of mask pressure sensor as feedback control amount；
S32: if P1 ≠ P2, turbine control processor controls turbine and increases power, and turbine control processor distinguishes collection surface
14 pressure P2' of 16 pressure P1' of cover pressure sensor and gas outlet pressure sensor；
Compare the value of P1' and P1, if P1=P1', judges that mask pressure sensor 16 breaks down, with gas outlet pressure biography
14 pressure P2 of sensor is as feedback control amount；If P1 ≠ P1', judge that 14 pressure of outlet pressure sensor breaks down, with face
16 pressure P1 of cover pressure sensor is as feedback control amount；
Compare the value of P2' and P2, if P2=P2', judges that 14 pressure of outlet pressure sensor breaks down, with mask pressure
16 pressure P1 of force snesor is as feedback control amount；If P2 ≠ P2', judge that mask pressure sensor 16 breaks down, with outlet
Mouth 14 pressure P2 of pressure sensor is as feedback control amount.
The step of as a preferred embodiment/embodiment, reference Fig. 4, the starting air storage bag 26 supplies, is as follows:
S51: third switch valve 25 is opened in algorithm processor control, closes first switch valve 11；
S52: algorithm processor controls proportioning valve 24, using the collected pressure P1 of algorithm processor as control amount；
S53: second switch valve 22 is opened in algorithm processor control, closes third switch valve 25, acquisition oxygen pressure sensing
The pressure P3 of device 23；
S54: the pressure P3 that oxygen pressure sensor 23 acquires compared with setting value,
P3 is greater than the set value, and second switch valve 22 and third switch valve are opened in extraneous gas access, algorithm processor control
25, by controlling 24 output pressure of proportioning valve；
P3 is less than setting value, and extraneous gas does not access, and second switch valve 22 is closed in algorithm processor control, opens third and opens
Valve 25 is closed, by controlling 24 output pressure of proportioning valve.
The control process that turbine breaks down is as follows: when the turbine control processor control turbine 12 rotates, detecting whirlpool
Setting value is not achieved in the operating current of wheel 12, judges 12 failure of turbine, and return to 12 faulting instruction of algorithm processor turbine,
Algorithm processor controls first switch valve 11 and closes, and third switch valve 25 is opened, and the high pressure oxygen in air storage bag 26 is transported to
Patient end is greatly reduced since turbine failure gives patient's bring risk.
It should be noted that Breathing Suppotion equipment closed-loop control output pressure power of the invention, if pressure sensor event
Barrier, Breathing Suppotion device handler just can't detect patient end output gas pressure, cannot real closed-loop control output pressure power.
Breathing Suppotion equipment air flue of the invention uses dual pressure sensor, and mask pressure sensor 16 detects mask end pressure, outlet
Mouth pressure sensor 14 detects main intake channel gas outlet pressure, handles the two pressure sensors of real-time monitoring, normal condition
Lower to make closed-loop control turbine according to mask end pressure, main intake channel outlet port pressure sensing prevents from pressing as auxiliary detection
Force snesor fails because of single failure.
Under normal circumstances, algorithm processor sends current desired pressure and calculation for calculating patient respiratory state in real time
Method module operating state instruction is to turbine control processor, and for turbine control processor according to the order received, control turbine is fast
Speed reaches required pressure, and returns and appoint response and turbine module status command, when algorithm processor transmission is ordered
It is instructed less than response or the person's of obtaining turbine failure, algorithm processor directly controls turbine 12 as patient's gas supply；At turbine control
Reason device does not receive algorithm processor instruction or algoritic module failure, and turbine control processor is directly according to pressure sensor value
Patient respiratory state is detected, controls turbine 12 as patient's gas supply.
Processor module, turbine module, pressure sensor and the power module of Breathing Suppotion equipment of the invention are set respectively
There is spare module, the completion that can work together and work independently is supplied gas function, when one of module failure, in addition one
A module can substitute the work of current block, maintain Breathing Suppotion equipment output setting pressure, maintain user's eupnea, protect
Demonstrate,prove user's life security.
It is detailed introduction of the invention above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, method and core concept of the invention that the above embodiments are only used to help understand.It should refer to
It out, for those skilled in the art, without departing from the principle of the present invention, can also be to the present invention
Some improvement and modification can also be carried out, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of Breathing Suppotion equipment air flue characterized by comprising
The inlet port of main intake channel, including turbine and main intake channel gas outlet, the turbine is equipped with for controlling air
The front end of the first switch valve of on-off, the main intake channel gas outlet is equipped with gas outlet pressure sensor；
Oxygen intake channel, including hyperbaric oxygen air inlet and air storage bag, hyperbaric oxygen inlet port are equipped with logical for controlling hyperbaric oxygen
Disconnected second switch valve, air storage bag are located at second switch valve rear end, and air storage bag accesses oxygen air inlet by the parallel connection of third switch valve
Access；
Breathing mask, including mask body, the mask body, which is equipped with, adopts pressure mouth, and the pressure mouth of adopting is sensed equipped with mask pressure
Device；
The oxygen intake channel accesses main intake channel in turbine air-intake front end；
The mask body is connect by appendix with main intake channel gas outlet.
2. a kind of Breathing Suppotion equipment air flue according to claim 1, which is characterized in that the main intake channel further includes
Mixed gas flow sensor, the mixed gas flow sensor are located at the oxygen intake channel access port and gas outlet pressure
Between force snesor.
3. a kind of Breathing Suppotion equipment air flue according to claim 1, which is characterized in that the oxygen intake channel also wraps
Oxygen pressure sensor and oxygen flow sensor are included, the oxygen pressure sensor is located on oxygen air inlet primary path, described
Oxygen intake channel outlet port is additionally provided with oxygen flow sensor, is additionally provided between the air storage bag and oxygen flow sensor
Proportioning valve.
4. a kind of Breathing Suppotion equipment safety control system of the Breathing Suppotion equipment air flue as described in claim any one of 1-3,
It is characterised by comprising:
Processor；Including turbine control processor and algorithm processor, the algorithm processor passes through with turbine control processor
Universal digital interface communication；
Under normal circumstances, the turbine control processor control secondary speed is patient's gas supply, and the algorithm processor, which calculates, to be suffered from
The respiratory state and respiration parameter of person；When turbine control processor breaks down, the algorithm processor acquisition mask pressure is passed
Sensor pressure, and control secondary speed；When algorithm processor breaks down, the turbine control processor acquisition mask pressure is passed
Sensor pressure, and control secondary speed；
Power module, including alternating current 220V module and battery module, the alternating current 220V module are dropped by AC power supplies voltage reduction module
For 24V voltage, the battery module is 24V voltage, and the alternating current 220V module and battery module are in parallel, under normal circumstances, by
Alternating current 220V module for power supply, battery module are backup power source, and alternating current 220V module breaks down, battery module starting power supply；
It is that turbine control processor and gas outlet pressure sensor are powered that the power module passes through the first voltage reduction module respectively, also
It is respectively algorithm processor, oxygen pressure sensor and the power supply of mask pressure sensor by the second voltage reduction module.
5. a kind of Breathing Suppotion equipment safety control system according to claim 4, which is characterized in that the Breathing Suppotion
Equipment further includes display module, and the power module is display module power supply by third voltage reduction module.
6. a kind of Breathing Suppotion equipment safety control system according to claim 4, which is characterized in that the power module
It is oxygen flow sensor by the 4th voltage reduction module, mixed gas flow sensor, proportioning valve, first switch valve, second opens
Close valve and the power supply of third switch valve.
7. a kind of Breathing Suppotion equipment safety control system according to claim 4, which is characterized in that the power module
It powers directly to turbine.
8. a kind of control method based on Breathing Suppotion equipment safety control system described in claim 4-7 any one, special
Sign is that step includes:
S1: system electrification starts control system；
S2: checking algorithm processor and turbine control processor state, judges whether normally,
S21: algorithm processor and turbine control processor are all normal, and algorithm processor reads user's setup pressure value and calculates trouble
The pressure P that person needs, is then sent to turbine control processor, turbine control processor acquires mask pressure sensor pressure respectively
Power P1 and gas outlet pressure sensor pressure P2；
S22: when turbine control processor failure, algorithm processor reads user's setup pressure value, and calculates patient's needs
Pressure P, algorithm processor acquire mask pressure sensor pressure P1, and algorithm processor controls turbine, while algorithm processor is sent out
Be out of order warning note；
S23: when algorithm processor device failure, turbine control processor acquires mask pressure sensor pressure P1, algorithm process
Device controls turbine, while turbine control processor issues fault alarm prompt；
S3: under normal circumstances, compare the collected mask pressure cell pressure P1 of turbine control processor and gas outlet pressure
Whether cell pressure P2 is equal, determines feedback control amount；
S4: turbine control processor controls turbine output pressure P as patient's gas supply；
S5: algorithm processor acquires turbine electric current I, and is compared with user's setting value；If there is abnormal, turbine control
Processor notify algorithm processor turbine break down, algorithm processor warning note turbine failure, and prompt hyperbaric oxygen into
Port accesses compressed air, starting air storage bag gas supply.
9. a kind of Breathing Suppotion apparatus control method according to claim 8, which is characterized in that determine feedback control amount
Steps are as follows:
S31: if P1=P2, using mask pressure cell pressure P1 as feedback control amount；
S32: if P1 ≠ P2, turbine control processor controls turbine and increases power, and turbine control processor acquires mask pressure respectively
Force snesor pressure P1' and gas outlet pressure sensor pressure P2'；
Compare the value of P1' and P1, if P1=P1', judges that mask pressure sensor breaks down, with gas outlet pressure sensor pressure
Power P2 is as feedback control amount；If P1 ≠ P1', judges that outlet pressure cell pressure breaks down, sensed with mask pressure
P1 is as feedback control amount for device pressure；
Compare the value of P2' and P2, if P2=P2', judges that outlet pressure cell pressure breaks down, sensed with mask pressure
P1 is as feedback control amount for device pressure；If P2 ≠ P2', judge that mask pressure sensor breaks down, with gas outlet pressure sensing
P2 is as feedback control amount for device pressure.
10. a kind of Breathing Suppotion apparatus control method according to claim 8, which is characterized in that starting air storage bag gas supply
The step of it is as follows:
S51: third switch valve is opened in algorithm processor control, closes first switch valve；
S52: algorithm processor controls proportioning valve, using the collected pressure P1 of algorithm processor as control amount；
S53: second switch valve is opened in algorithm processor control, is closed third switch valve, is acquired the pressure of oxygen pressure sensor
P3；
S54: the pressure P3 of oxygen pressure sensor acquisition compared with setting value,
P3 is greater than the set value, and second switch valve and third switch valve are opened in extraneous gas access, algorithm processor control, passes through control
Proportioning valve output pressure processed；
P3 is less than setting value, and extraneous gas does not access, and second switch valve is closed in algorithm processor control, opens third switch valve,
By controlling proportioning valve output pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617143.XA CN110464933A (en) | 2019-07-10 | 2019-07-10 | Breathing Suppotion equipment air flue and safety control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910617143.XA CN110464933A (en) | 2019-07-10 | 2019-07-10 | Breathing Suppotion equipment air flue and safety control system and control method |
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| CN110464933A true CN110464933A (en) | 2019-11-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110979A (en) * | 2019-12-31 | 2020-05-08 | 湖南明康中锦医疗科技发展有限公司 | Self-checking system and method for water tank of respiratory support equipment |
| CN111420196A (en) * | 2020-04-09 | 2020-07-17 | 苏州大学附属儿童医院 | Respiration control system |
| CN111494766A (en) * | 2020-05-06 | 2020-08-07 | 国网河南省电力公司电力科学研究院 | Breathing machine, breathing machine control system and breathing machine control method |
| WO2021234375A1 (en) * | 2020-05-18 | 2021-11-25 | Imperial College Innovations Limited | Method and apparatus for a ventilator |
| WO2023005207A1 (en) * | 2021-07-29 | 2023-02-02 | 深圳市安保科技有限公司 | Air path system and ventilator |
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2019
- 2019-07-10 CN CN201910617143.XA patent/CN110464933A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110979A (en) * | 2019-12-31 | 2020-05-08 | 湖南明康中锦医疗科技发展有限公司 | Self-checking system and method for water tank of respiratory support equipment |
| CN111420196A (en) * | 2020-04-09 | 2020-07-17 | 苏州大学附属儿童医院 | Respiration control system |
| CN111494766A (en) * | 2020-05-06 | 2020-08-07 | 国网河南省电力公司电力科学研究院 | Breathing machine, breathing machine control system and breathing machine control method |
| CN111494766B (en) * | 2020-05-06 | 2021-06-15 | 国网河南省电力公司电力科学研究院 | Breathing machine, breathing machine control system and breathing machine control method |
| WO2021234375A1 (en) * | 2020-05-18 | 2021-11-25 | Imperial College Innovations Limited | Method and apparatus for a ventilator |
| WO2023005207A1 (en) * | 2021-07-29 | 2023-02-02 | 深圳市安保科技有限公司 | Air path system and ventilator |
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