CN113877036A - Oxygen generator and respiratory therapy method - Google Patents
Oxygen generator and respiratory therapy method Download PDFInfo
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- CN113877036A CN113877036A CN202111196362.9A CN202111196362A CN113877036A CN 113877036 A CN113877036 A CN 113877036A CN 202111196362 A CN202111196362 A CN 202111196362A CN 113877036 A CN113877036 A CN 113877036A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 589
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 572
- 239000001301 oxygen Substances 0.000 title claims abstract description 572
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000002644 respiratory therapy Methods 0.000 title claims abstract description 14
- 230000003993 interaction Effects 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 claims description 17
- 230000000241 respiratory effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 4
- 238000002640 oxygen therapy Methods 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000036391 respiratory frequency Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002567 autonomic effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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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
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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
- A61M16/0051—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes with alarm devices
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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
-
- 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
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
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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
- A61M2016/102—Measuring a parameter of the content of the delivered gas
- A61M2016/1025—Measuring a parameter of the content of the delivered gas the O2 concentration
-
- 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
- A61M2205/33—Controlling, regulating or measuring
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Abstract
An oxygen generator and a respiratory therapy method are provided, the oxygen generator comprises an oxygen generation unit, an oxygen input control unit, a main control unit and an oxygen output control unit, the oxygen generation unit is connected with the oxygen input control unit, the oxygen input control unit and the oxygen output control unit are both connected with the main control unit, and the oxygen input control unit is also used for being connected with an external oxygen source. The main control unit controls the external oxygen source and/or the oxygen generation unit to input oxygen and the oxygen output control unit to output oxygen. Through making the oxygenerator support the two oxygen suppliment modes of system oxygen unit and external oxygen source simultaneously, when the battery power supply of oxygenerator is not enough or needs quick system oxygen, the oxygen therapy is carried out to accessible external oxygen source to can effectively prolong the live time of oxygenerator. In addition, the pulse type oxygen generation is realized by the control of the main control unit on the oxygen output control unit, and the oxygen utilization efficiency is favorably improved, so that the working time of the oxygen generator is further prolonged.
Description
Technical Field
The invention belongs to the technical field of respiratory therapy, and particularly relates to an oxygen generator and a respiratory therapy method.
Background
The oxygen generator is a machine for preparing oxygen, and its principle is a device for converting air into high-concentration oxygen by utilizing air separation technique, and said oxygen generator can quickly produce oxygen, and its oxygen concentration is high, so that it is applicable to oxygen therapy and oxygen health-care of various people.
The existing portable oxygen generator usually adopts a pressure swing adsorption method to prepare oxygen, needs to adopt a battery for charging, and has higher energy consumption and short working time. In addition, when the user is in the intermittent oxygen inhalation state, the continuous oxygen supply mode can cause the waste of oxygen, thereby reducing the oxygen utilization efficiency and further shortening the service time of the oxygen generator.
Disclosure of Invention
The invention aims to provide an oxygen generator and a respiratory therapy method, which can effectively prolong the working time of the oxygen generator and improve the utilization efficiency of oxygen.
In order to realize the purpose of the invention, the invention provides the following technical scheme:
in a first aspect, the invention provides an oxygen generator, which comprises an oxygen generation unit, an oxygen input control unit, a main control unit and an oxygen output control unit, wherein the oxygen generation unit is connected with the main control unit, the oxygen input control unit and the oxygen output control unit are both electrically connected with the main control unit, and the oxygen input control unit is also used for being connected with an external oxygen source; external oxygen source prestores oxygen to be used for directly to oxygen input control unit input oxygen, system oxygen unit be used for the circular telegram system oxygen back oxygen input control unit input oxygen, oxygen input control unit control external oxygen source and/or system oxygen unit to oxygen input control unit input oxygen, main control unit control whether oxygen output control unit exports oxygen.
In one embodiment, the oxygen generator further comprises a first oxygen input in communication with the external oxygen source and a second oxygen input in communication with the oxygen generation unit.
In one embodiment, the oxygen generator further comprises an oxygen storage unit, and the oxygen storage unit is connected with the oxygen input control unit to store the oxygen input by the oxygen input control unit.
In one embodiment, the oxygen generator further comprises an oxygen output port, and the oxygen output control unit is connected between the oxygen output port and the oxygen storage unit.
In one embodiment, the oxygen generator further comprises a pressure difference detection unit, wherein the pressure difference detection unit is arranged between the oxygen output control unit and the oxygen output port to detect the difference between the oxygen output port and the external air pressure.
In one embodiment, the pressure difference detection unit is further electrically connected to the main control unit, the pressure difference detection unit transmits a pressure difference signal to the main control unit, and the main control unit controls the opening and closing of the oxygen output unit and the oxygen supply flow according to the pressure difference signal.
In one embodiment, the oxygen generator further comprises a human-computer interaction unit, wherein the human-computer interaction unit is electrically connected with the main control unit and is used for setting parameters; and the main control unit outputs state parameters to the human-computer interaction unit.
In one embodiment, the oxygen generator further comprises a monitoring unit, wherein the monitoring unit is arranged at the oxygen output port and used for monitoring the breathing state of a user, the monitoring unit is electrically connected with the main control unit, the monitoring unit transmits a breathing electric signal to the main control unit, and the main control unit controls the oxygen generator to perform predictive oxygen supply according to the received breathing electric signal.
In a second aspect, the present invention provides a method of respiratory therapy using an oxygen generator according to any one of the embodiments of the first aspect, the method comprising:
the human-computer interaction unit sets an oxygen supply mode and oxygen input parameters, wherein the oxygen supply mode comprises an external oxygen supply mode, an autonomous oxygen supply mode and a dual-channel oxygen supply mode;
the main control unit controls the opening and closing of the first oxygen input port and/or the second oxygen input port according to the oxygen supply mode, and controls the flow of oxygen input by the oxygen input control unit according to the oxygen input parameters.
In one embodiment, the respiratory therapy method further comprises:
the human-computer interaction unit sets an oxygen inhalation mode and oxygen output parameters, wherein the oxygen inhalation mode comprises a high flow rate mode, a low flow rate mode, a continuous oxygen inhalation mode and a pulse oxygen inhalation mode;
the main control unit controls the opening and closing of the oxygen output port and the flow of oxygen output by the oxygen output control unit according to the oxygen inhalation mode and the oxygen output parameters.
Through making the oxygenerator support the two oxygen suppliment modes of system oxygen unit and external oxygen source simultaneously, when the battery power supply of oxygenerator is not enough or need make oxygen fast, the accessible external oxygen source carries out the oxygen therapy, need not through the system oxygen procedure during because external oxygen source oxygen therapy, consequently need not to charge and can realize quick oxygen therapy to can effectively prolong the live time of oxygenerator. In addition, pulse type oxygen generation is realized by the control of the main control unit to the oxygen output control unit, so that the waste of oxygen caused by continuous oxygen supply when a user does not need oxygen inhalation is avoided, the oxygen utilization efficiency is favorably improved, and the working time of the oxygen generator is further prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an oxygen generator according to an embodiment;
FIG. 2 is a schematic structural diagram of an oxygen generator according to another embodiment;
FIG. 3 is a schematic structural diagram of an oxygen generator according to the embodiment of FIG. 2;
FIG. 4 is a flow chart of a method of respiratory therapy according to an embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 and 3, the present invention provides an oxygen generator, which includes an oxygen generating unit 00, an oxygen input control unit 20, a main control unit 80, and an oxygen output control unit 40, wherein the oxygen generating unit 00 is connected to the main control unit 80, both the oxygen input control unit 20 and the oxygen output control unit 40 are connected to the main control unit 80, and the oxygen input control unit 20 is further configured to be connected to an external oxygen source 01.
Specifically, in this embodiment, the oxygen generator further includes a first oxygen input port 11 and a second oxygen input port 12, the first oxygen input port 11 and the second oxygen input port 12 are both connected to the oxygen input control unit 20, the first oxygen input port 11 is configured to be connected to the external oxygen source 01 to receive the oxygen input by the external oxygen source 01, and the second oxygen input port 12 is configured to be connected to the oxygen generation unit 00 to receive the oxygen generated by the oxygen generation unit 00. The main control unit 80 is connected to the oxygen input control unit 20, and when the first oxygen input port 11 is opened, the oxygen input control unit 20 controls the flow rate of oxygen input from the first oxygen input port 11 by the external oxygen source 01, and when the second oxygen input port 12 is opened, the oxygen input control unit 20 controls the flow rate of oxygen input from the second oxygen input port 12 by the oxygen generation unit 00.
The external oxygen source 01 is a container storing oxygen, such as an oxygen bottle, an oxygen tank or other box storing oxygen, and the oxygen in the external oxygen source 01 is prepared in advance by other oxygen-making equipment and stored in the external oxygen source 01. The oxygen generation unit 00 adopts a Pressure Swing Adsorption (PSA) method to prepare oxygen, and comprises an air inlet, an air compressor and an air outlet, wherein the air outlet is connected with the second oxygen input port 12, when the oxygen generation unit 00 is electrified and started, raw material air enters the air compressor from the air inlet, and high-purity oxygen is output to the second oxygen input port 12 from the air outlet after the processes of filtration, pressure swing, adsorption and the like are carried out.
When needs adopt inside oxygen suppliment, main control unit 80 transmits the signal of telecommunication to system oxygen unit 00, and system oxygen unit 00 starts system oxygen according to the signal of telecommunication received. Meanwhile, the main control unit 80 also transmits an electrical signal to the oxygen input control unit 20, and the oxygen input control unit 20 controls the second oxygen input port 12 to be opened, so that the high purity oxygen output from the air outlet of the oxygen generation unit 00 is input into the oxygen input control unit 20 through the second oxygen input port 12. When the oxygen generator is insufficient in electric quantity or needs to perform rapid oxygen therapy, an external oxygen source 01 can be used for oxygen therapy, an outlet of the external oxygen source 01 is connected with the first oxygen input port 11, the main control unit 80 transmits an electric signal to the oxygen input control unit 20, the oxygen input control unit 20 controls the first oxygen input port 11 to be opened, the second oxygen input port 12 is closed, and oxygen of the external oxygen source 01 is transmitted into the oxygen input control unit 20 through the first oxygen input port 11.
When external oxygen supply and internal oxygen supply are needed to be started simultaneously to improve oxygen delivery efficiency, the main control unit 80 controls the oxygen generation unit 00 to generate oxygen, and meanwhile, the oxygen input control unit 20 controls the first oxygen input port 11 and the second oxygen input port 12 to be opened simultaneously, so that the oxygen generator can receive the external oxygen source 01 and the oxygen generated by the oxygen generation unit 00 simultaneously, and oxygen delivery efficiency is improved.
In addition, the main control unit 80 can further control the flow rate of the input oxygen by controlling the opening and closing degree of the oxygen input control unit 20. The main control unit 80 adjusts the opening and closing degree of the oxygen input control unit 20 by controlling the magnitude of the electrical signal transmitted to the oxygen input control unit 20, wherein the magnitude of the electrical signal corresponds to the opening and closing degree of the oxygen input control unit 20, the electrical signal may be a voltage signal or a current signal, and the greater the voltage or the current is, the greater the opening degree of the oxygen input control unit 20 is, so that the greater the volume of the input oxygen per unit time is, i.e., the greater the flow rate of the input oxygen is.
The oxygen generator also comprises an oxygen storage unit 30, an oxygen output control unit 40 and an oxygen output port 50, wherein the oxygen output control unit 40 is connected between the oxygen output port 50 and the oxygen storage unit 30. The oxygen output control unit 40 is also electrically connected with the main control unit 80, the oxygen output port 50 is used for being connected with an oxygen inhalation tube of a user, and the main control unit 80 transmits an electric signal to the oxygen output control unit 40 to control the opening and closing of the oxygen output control unit 40. Specifically, when the user is in the oxygen inhalation state, the main control unit 80 controls the oxygen output control unit 40 to start up to transmit oxygen to the oxygen inhalation tube of the user; when the user stops oxygen inhalation, the main control unit 80 controls the oxygen output control unit 40 to stop running, and the oxygen generator does not transmit oxygen to the oxygen inhalation tube of the user any more, thereby realizing pulse type oxygen supply. In addition, the main control unit 80 can further control the flow rate of oxygen output from the oxygen generator to the user through the oxygen output control unit 40. The oxygen output control unit 40 can be realized by using the third electromagnetic valve 410, when the user needs to take oxygen, the main control unit 80 controls the oxygen output control unit 40 to be opened, and the oxygen in the oxygen storage unit 30 enters the oxygen output port 50 through the third electromagnetic valve 410 and is transmitted to the user through the oxygen output port 50. When the user needs a larger oxygen flow, the main control unit 80 controls the third electromagnetic valve 410 to be opened to a larger extent, and when the user needs a smaller oxygen flow, the main control unit 80 controls the third electromagnetic valve 410 to be opened to a smaller extent, thereby realizing the flow control of the output oxygen. By arranging the oxygen output control unit 40 and controlling the oxygen output control unit 40 by the main control unit 80, the oxygen output flow can be controlled in real time according to the oxygen inhalation demand of a user, and pulse oxygen supply is realized.
Through making the two oxygen modes that support oxygen generation unit 00 and external oxygen source 01 in the oxygenerator simultaneously, when the battery power supply of oxygenerator is not enough or need quick oxygen generation, accessible external oxygen source 01 carries out the oxygen therapy, need not through the oxygen generation procedure during owing to external oxygen source 01 oxygen therapy, consequently need not to charge and wait and can realize quick oxygen therapy to can effectively prolong the live time of oxygenerator. In addition, pulse type oxygen generation is realized by the control of the main control unit 80 on the oxygen output control unit 40, so that the waste of oxygen caused by continuous oxygen supply when a user does not need oxygen inhalation is avoided, the oxygen utilization efficiency is favorably improved, and the working time of the oxygen generator is further prolonged.
In one embodiment, referring to fig. 1 and 3, the oxygen storage unit 30 is connected to the oxygen input control unit 20 to store the oxygen input by the oxygen input control unit 20. Specifically, the oxygen input control unit 20 includes a first solenoid valve 21 and a second solenoid valve 22, the input end of the first solenoid valve 21 is connected to the first oxygen input port 11, the output end is connected to the oxygen storage unit 30, and the first solenoid valve controls whether the first oxygen input port is communicated with the oxygen storage unit 30. The input end of the second electromagnetic valve 22 is connected with the second oxygen input port, the output end is connected with the oxygen storage unit 30, and the second electromagnetic valve 22 is used for controlling whether the second oxygen input port 12 is communicated with the oxygen storage unit 30. The main control unit 80 further controls the flow rate of oxygen into the oxygen storage unit 30 by controlling the opening and closing degree of the first electromagnetic valve 21 and the second electromagnetic valve 22 in the oxygen input control unit 20. Wherein, the oxygen storage unit 30 is usually an oxygen tank 310, the oxygen storage unit 30 includes an oxygen input port, the oxygen input port can also be implemented by adopting a valve structure, the oxygen input control unit 20 is connected with the oxygen input port, and when the main control unit 80 controls the oxygen input control unit 20 to close, the oxygen storage unit 30 does not receive the oxygen input; when the main control unit 80 controls the oxygen input control unit 20 to be turned on, the oxygen storage unit 30 receives and stores the oxygen input by the oxygen input control unit 20; the main control unit 80 can also control the opening and closing degree of the oxygen input control unit 20, and when the valve of the oxygen input control unit 20 is opened to a larger extent, the oxygen flow rate inputted to the oxygen storage unit 30 is larger, so that the oxygen can be stored quickly. When the valve of the oxygen input control unit 20 is opened smaller, the flow rate of the oxygen input to the oxygen storage unit 30 is smaller, and the pressure inside the oxygen storage unit 30 is increased more slowly, thereby increasing the safety. By providing the oxygen storage unit 30, oxygen can be stored for later use. And through making oxygen storage unit 30 be connected with oxygen input control unit 20, be favorable to carrying out accurate control to the flow that oxygen input oxygen storage unit 30 to store oxygen according to user's demand, further improve oxygen utilization efficiency.
In one embodiment, referring to fig. 2 and 3, the oxygen generator further includes a pressure detection unit 60, the pressure detection unit 60 is connected to both the oxygen storage unit 30 and the main control unit 80, the pressure detection unit 60 detects the pressure of the oxygen storage unit 30 and transmits a pressure signal to the main control unit 80, and the main control unit 80 controls the opening and closing of the oxygen control unit 20 and the oxygen supply flow according to the pressure signal. Specifically, the pressure detecting unit 60 is implemented by using a pressure sensor 610, and the pressure sensor 610 is composed of a pressure sensitive element and a signal processing unit, and is capable of sensing a pressure electrical signal and converting the pressure electrical signal into an electrical signal for output according to a certain rule. The pressure sensing element is disposed inside or at the inlet/outlet of the oxygen storage unit 30 to detect the pressure of the oxygen storage unit 30 in real time. The signal processing unit is electrically connected to the main control unit 80 to generate a corresponding pressure electrical signal according to the pressure applied to the pressure sensitive element, and transmit the pressure electrical signal to the main control unit 80. The main control unit 80 is provided with a pressure threshold value, and when the main control unit 80 receives the pressure electrical signal, the flow rate of oxygen passing through the oxygen input control unit 20 can be controlled by comparing the pressure electrical signal with the pressure threshold value. When the pressure electric signal is less than the pressure threshold value, the main control unit 80 controls the oxygen input control unit 20 to be opened to transmit oxygen to the oxygen storage unit 30; when the pressure electric signal is equal to the pressure threshold value, the main control unit 80 controls the oxygen input control unit 20 to be turned off to stop the oxygen supply to the oxygen storage unit 30. Detect the inside pressure of oxygen storage unit 30 through setting up pressure detection unit 60, and make pressure detection unit 60 be connected with main control unit 80 electricity, so that whether main control unit 80 can be according to the pressure size real time control who stores up in the oxygen unit 30 to storing up oxygen unit 30 transmission oxygen, be favorable to the oxygen supply volume of real time control oxygenerator, avoid oxygen extravagant, can also avoid storing up the potential safety hazard that the too big pressure of oxygen unit 30 leads to simultaneously.
In one embodiment, referring to fig. 1 and fig. 3, the oxygen generator further includes a differential pressure detection unit 70, the differential pressure detection unit 70 is disposed between the oxygen output control unit 40 and the oxygen output port 50, and the differential pressure detection unit 70 is configured to detect a difference between the oxygen output port 50 and an external air pressure. Specifically, the differential pressure detection unit 70 may be implemented with a differential pressure sensor 710, which includes a first pressure sensing member, a second pressure sensing member, and a processor, with both the first pressure sensing member and the second pressure sensing member being electrically connected to the processor. The first pressure detection element is used for sensing the air pressure at the oxygen output port 50 and transmitting a first pressure electric signal to the processor, the second pressure detection element is used for sensing the external air pressure and transmitting a second pressure electric signal to the processor, and the processor calculates the difference value between the first pressure electric signal and the second pressure electric signal, so that the pressure difference between the oxygen output port 50 and the external air pressure can be obtained. The differential pressure detecting unit 70 can be realized by a high-precision differential pressure sensor 710, and the main control unit 80 is realized by a single chip microcomputer and a peripheral circuit 810. Under the support of the peripheral circuit, the single chip microcomputer reads the result of the pressure difference detection unit 70 to judge whether the user has the oxygen inhalation action, and selectively controls the oxygen input control unit 20 and the oxygen output control unit 40 to realize the purpose of supplying oxygen according to the actual requirement.
In one embodiment, referring to fig. 1 and 3, the differential pressure detecting unit 70 is further electrically connected to the main control unit 80, the differential pressure detecting unit 70 transmits a differential pressure signal to the main control unit 80, and the main control unit 80 controls the opening and closing of the oxygen output control unit 40 and the oxygen supply flow according to the differential pressure signal. Specifically, the differential pressure detecting unit 70 may be implemented by using the differential pressure sensor 710, the processor of the differential pressure detecting unit 70 transmits a differential pressure signal to the main control unit 80, the main control unit 80 is provided with a differential pressure threshold, when the pressure difference signal exceeds the pressure difference threshold, the main control unit 80 can judge that the user has the oxygen inhalation action, and further controls the oxygen output control unit 40 to open, the oxygen output control unit 40 is realized by using a third electromagnetic valve 410, when the third solenoid valve 410 is opened, the oxygen storage unit 30 communicates with the oxygen output port 50, to transmit oxygen to the user, and the main control unit 80 can control the opening degree of the third solenoid valve 410 according to the difference value between the differential pressure signal and the differential pressure threshold value, thereby controlling the flow rate of the output oxygen, the larger the difference is, the stronger the oxygen inhalation action of the user is, the more the third solenoid valve 410 is opened, and the larger the flow rate of the output oxygen is. Conversely, the smaller the third solenoid valve 410 is opened, the smaller the flow rate of the output oxygen. The flow of oxygen passing through the oxygen output control unit 40 is controlled by the main control unit 80 according to the pressure difference signal, so that the oxygen generator can deliver oxygen according to the requirements of users, the requirements of the users on large-flow oxygen inhalation can be met, the waste caused by overlarge oxygen flow when the users inhale oxygen at small flow can be avoided, the utilization rate of the oxygen is improved, the oxygen delivery flow is matched with the requirements of the users, and the user experience is improved.
In one embodiment, please refer to fig. 2 and 3, the oxygen generator further includes a human-computer interaction unit 91, the human-computer interaction unit 91 is electrically connected to the main control unit 80, and the human-computer interaction unit 91 is configured to set working parameters; the main control unit 80 outputs the state parameters to the human-machine interaction unit 91. Specifically, the human-computer interaction unit 91 includes a control panel 910, wherein the control panel 910 may be a key or a touch panel, and may provide a working parameter setting, a working mode setting, and the like for a user, the human-computer interaction unit 91 may further generate a corresponding electrical signal according to an oxygen supply mode selected by the user and transmit the electrical signal to the main control unit 80, and the main control unit 80 may control working states of the oxygen input control unit 20 and the oxygen output control unit 40 according to the received electrical signal. The human-computer interaction unit 91 can also comprise a display screen, the display screen can be an LED display screen or a liquid crystal display screen and the like, the display screen is electrically connected with the main control unit 80, the main control unit 80 converts information such as real-time oxygen delivery flow, oxygen temperature and oxygen humidity of the oxygen generator into electric signals to be transmitted to the display screen, the display screen displays output state parameters according to the received signals, and a user can conveniently obtain the working state of the oxygen generator in real time. Through setting up human-computer interaction unit 91, for the user provides convenience to the control of oxygenerator for the oxygenerator is more intelligent.
In one embodiment, referring to fig. 2, the oxygen generator further includes a monitoring unit 92, the monitoring unit 92 is disposed at the oxygen output port 50 and is used for monitoring the respiratory state of the user, the monitoring unit 92 is electrically connected to the main control unit 80, the monitoring unit 92 transmits a respiratory electrical signal to the main control unit 80, and the main control unit 80 controls the oxygen generator to perform predictive oxygen supply according to the received respiratory electrical signal. When a user performs an oxygen inhalation action through the oxygen output port 50, the monitoring unit 92 monitors the respiratory frequency and the inspiratory pressure of the user in real time, converts the monitored respiratory frequency and respiratory pressure into electric signals and transmits the electric signals to the main control unit 80, the main control unit 80 can judge the respiratory frequency and the respiratory pressure of the user according to the electric signals to perform predictive oxygen supply, when the respiratory frequency of the user is higher or the respiratory pressure of the user is higher, the main control unit 80 controls the oxygen generator to be in a high-flow oxygen inhalation mode, and when the respiratory frequency of the user is lower or the respiratory pressure of the user is lower, the main control unit 80 controls the oxygen generator to be in a low-flow oxygen inhalation mode. By arranging the monitoring unit 92 in the oxygen generator and electrically connecting the monitoring unit 92 with the main control unit 80, the oxygen generator has a predictive oxygen supply function, the response speed of the oxygen generator is improved, and the oxygen generator has higher performance.
In one embodiment, referring to fig. 2 and 3, the oxygen generator further comprises an alarm unit 93, and when the oxygen generator fails, the alarm unit 93 alarms. The alarm unit 93 may be a light emitting diode 930, or may be an audible alarm, such as a buzzer, which is electrically connected to the main control unit 80. When the oxygen generator has faults, such as oxygen supply interruption, preset oxygen supply time or part damage and the like, the main control unit 80 transmits alarm signals to the alarm unit 93, and the alarm unit 93 can give an alarm through light emitting, sound prompt and the like to prompt a user to repair and maintain the oxygen generator, so that the safety performance of the oxygen generator is improved. Referring to fig. 1 and 4, the present invention provides a respiratory therapy method, which uses an oxygen generator provided in the embodiment of the present application, and the respiratory therapy method includes:
in step S1, the human-computer interaction unit 91 sets an oxygen supply mode and oxygen input parameters, where the oxygen supply mode includes an external oxygen supply mode, an autonomous oxygen supply mode, and a dual-channel oxygen supply mode.
In step S2, the main control unit 80 controls the opening and closing of the first oxygen input port 11 and the second oxygen input port 12 or the opening and closing of any one of the first oxygen input port 11 and the second oxygen input port 12 according to the oxygen supply mode, and the oxygen input parameter controls the flow rate of the oxygen input by the oxygen input control unit 20.
Specifically, the user can select a required oxygen supply mode through the human-computer interaction unit 91 as required, when the oxygen supply mode set by the user is the external oxygen supply mode, the human-computer interaction unit 91 transmits a first oxygen supply signal to the main control unit 80, the main control unit 80 receives the first oxygen supply signal and then controls the first oxygen input port 11 to be opened through the oxygen input control unit 20, the second oxygen input port 12 is closed, and oxygen from the external oxygen source 01 is input into the oxygen generator from the first oxygen input port 11.
When the oxygen suppliment mode that the user set for is the autonomic oxygen suppliment mode, man-machine interaction unit 91 transmits the second oxygen suppliment signal of telecommunication to main control unit 80, main control unit 80 receives the second oxygen suppliment signal of telecommunication after control system oxygen unit 00 starts the system oxygen function, and meanwhile, main control unit 80 still controls first oxygen input port 11 through oxygen input control unit 20 and closes, second oxygen input port 12 is opened, the oxygen that system oxygen unit 00 made is inputed to the oxygenerator through second oxygen input port 12.
When the user needs to supply oxygen quickly and the external oxygen supply mode or the autonomous oxygen supply mode is not enough to meet the requirement, the user can also set the dual-channel oxygen supply mode through the man-machine interaction unit 91. At this moment, man-machine interaction unit 91 transmits the third oxygen suppliment signal of telecommunication to main control unit 80, and main control unit 80 receives the control system oxygen unit 00 after the third oxygen suppliment signal of telecommunication and starts system oxygen function, and simultaneously, oxygen input control unit 20 control first oxygen input port 11 and second oxygen input port 12 open simultaneously, and oxygen is by first oxygen input port 11 and second oxygen input port 12 entering oxygenerator, forms the binary channels oxygen suppliment.
It is understood that, in the above three operation modes, the main control unit 80 can control the opening and closing degree of the oxygen input control unit 20 according to the oxygen input parameters set by the user, where the oxygen input parameters include the flow rate of the first oxygen input port 11, the flow rate of the second oxygen input port 12, the oxygen concentration obtained by the oxygen generation unit 00, the total volume of the input oxygen, the oxygen delivery time, and the like, or may further include parameter settings such as the temperature and humidity of the input oxygen, and the embodiment of the present application is not particularly limited. Through parameter setting, can reach the purpose of the flow and the total amount of accurate control oxygen input to ensure the input amount and the demand phase-match of oxygen, avoid oxygen extravagant, simultaneously, can also guarantee the security of oxygenerator.
In one embodiment, referring to fig. 1 and 4, the respiratory therapy method further comprises:
step S3, the human-computer interaction unit 91 sets an oxygen inhalation mode and oxygen output parameters, the oxygen inhalation mode including a high flow rate mode, a low flow rate mode, a continuous oxygen inhalation mode and a pulse oxygen inhalation mode;
in step S4, the main control unit 80 controls the opening and closing of the oxygen outlet and the flow rate of the oxygen output from the oxygen output control unit according to the oxygen output parameters.
Specifically, when the user sets the oxygen generator to be in the oxygen inhalation mode through the human-computer interaction unit 91, the main control unit 80 controls the oxygen output port 50 to be opened, so that the oxygen inhalation tube of the user is communicated with the oxygen output control unit 40. When the oxygen inhalation mode is the high flow rate oxygen inhalation mode, the main control unit 80 controls the oxygen output control unit 40 to be opened to a greater degree, so that the flow rate of the oxygen output is greater; when the oxygen inhalation mode is the low flow rate oxygen inhalation mode, the main control unit 80 controls the degree of opening of the oxygen output control unit 40 to be small, so that the flow rate of the oxygen output is small. In addition, the user can also control the oxygen generator to switch between a continuous oxygen inhalation mode and a pulse oxygen inhalation mode through the man-machine interaction unit 91 so as to meet various requirements of the user.
In addition, the main control unit 80 can also control the working state of the oxygen generator according to oxygen output parameters, the oxygen output parameters can include oxygen uptake time, and the main control unit 80 can control the opening and closing of the oxygen output port 50 according to the oxygen uptake time. In other embodiments, the oxygen output parameter may further include other related parameters such as a pressure difference threshold, a pressure threshold, and the like, and the embodiment is not particularly limited.
The human-computer interaction unit 91 sets the oxygen inhalation mode and the oxygen inhalation parameters, and the main control unit 80 controls the oxygen generator in real time according to the setting of the user, so that the oxygen utilization rate is improved, and the working time of the oxygen generator is prolonged.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An oxygen generator is characterized by comprising an oxygen generation unit, an oxygen input control unit, a main control unit and an oxygen output control unit, wherein the oxygen generation unit is connected with the main control unit;
external oxygen source prestores oxygen to be used for directly to oxygen input control unit input oxygen, system oxygen unit be used for the circular telegram system oxygen back oxygen input control unit input oxygen, oxygen input control unit control external oxygen source and/or system oxygen unit to oxygen input control unit input oxygen, main control unit control whether oxygen output control unit exports oxygen.
2. The oxygen generator of claim 1, further comprising a first oxygen input in communication with the external oxygen source and a second oxygen input in communication with the oxygen generation unit.
3. The oxygen generator of claim 2, further comprising an oxygen storage unit connected to the oxygen input control unit to store the oxygen input by the oxygen input control unit.
4. The oxygen generator of claim 3, further comprising an oxygen output port, wherein the oxygen output control unit is connected between the oxygen output port and the oxygen storage unit.
5. The oxygen generator of claim 4, further comprising a pressure difference detection unit disposed between the oxygen output control unit and the oxygen output port to detect a difference between the oxygen output port and an external air pressure.
6. The oxygen generator according to claim 5, wherein the pressure difference detection unit is further electrically connected to the main control unit, the pressure difference detection unit transmits a pressure difference signal to the main control unit, and the main control unit controls the opening and closing of the oxygen output unit and the oxygen supply flow according to the pressure difference signal.
7. The oxygen generator according to claim 4, further comprising a human-computer interaction unit electrically connected to the main control unit, the human-computer interaction unit being configured to set parameters; and the main control unit outputs state parameters to the human-computer interaction unit.
8. The oxygen generator according to claim 4, further comprising a monitoring unit disposed at the oxygen output port for monitoring a respiratory state of a user, wherein the monitoring unit is electrically connected to the main control unit, the monitoring unit transmits a respiratory electrical signal to the main control unit, and the main control unit controls the oxygen generator to perform predictive oxygen supply according to the received respiratory electrical signal.
9. A respiratory therapy method, characterized in that it uses an oxygen generator according to claim 7 or 8, comprising:
the human-computer interaction unit sets an oxygen supply mode and oxygen input parameters, wherein the oxygen supply mode comprises an external oxygen supply mode, an autonomous oxygen supply mode and a dual-channel oxygen supply mode;
the main control unit controls the opening and closing of the first oxygen input port and/or the second oxygen input port according to the oxygen supply mode, and controls the flow of oxygen input by the oxygen input control oxygen unit according to the oxygen input parameters.
10. The respiratory therapy method of claim 9, further comprising:
the human-computer interaction unit sets an oxygen inhalation mode and oxygen output parameters, wherein the oxygen inhalation mode comprises a high flow rate mode, a low flow rate mode, a continuous oxygen inhalation mode and a pulse oxygen inhalation mode;
the main control unit controls the opening and closing of the oxygen output port and the flow of oxygen output by the oxygen output control unit according to the oxygen inhalation mode and the oxygen output parameters.
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Cited By (1)
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