CN204856236U - Convenient oxygen uptake appearance - Google Patents

Convenient oxygen uptake appearance Download PDF

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Publication number
CN204856236U
CN204856236U CN201520633658.6U CN201520633658U CN204856236U CN 204856236 U CN204856236 U CN 204856236U CN 201520633658 U CN201520633658 U CN 201520633658U CN 204856236 U CN204856236 U CN 204856236U
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CN
China
Prior art keywords
oxygen
air
branch line
valve
breathing
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Expired - Fee Related
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CN201520633658.6U
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Chinese (zh)
Inventor
徐绍杰
刘平
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徐绍杰
刘平
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Priority to CN201520633658.6U priority Critical patent/CN204856236U/en
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Publication of CN204856236U publication Critical patent/CN204856236U/en
Expired - Fee Related legal-status Critical Current
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Abstract

Convenient oxygen uptake appearance includes: face mask assembly has the mouth of expiration and induction port, the person in charge that breathes in, first end and face mask assembly's induction port gas tightness intercommunication, the end is given vent to anger and the second end gas tightness intercommunication of breathing in and being responsible for to the flowmeter of breathing in, the three -way pipe has the three routes interface, and first via interface is connected with the inlet end of the flowmeter of breathing in, air branch pipeline, the second way interface connection of one end and three -way pipe, the other end and atmosphere intercommunication, oxygen branch pipeline, the third way interface connection of one end and three -way pipe, the other end are provided with the oxygen supply port, are provided with the solenoid valve in oxygen branch pipeline, and controlling means, including the casing, being provided with central processing unit in the casing, central processing unit is connected with breathe in flowmeter and solenoid valve. The utility model discloses an oxygen uptake appearance has the simple structure compactness, it is convenient to use, the advantage of easy to clean and change.

Description

Convenient oxygen inhalation instrument
Technical field
The utility model relates to a kind of oxygen inhalation instrument, is specifically related to a kind of oxygen inhalation instrument of automatic control oxygen concentration.
Background technology
Under autonomous respiration both at home and abroad, traditional ways of oxygen inhalation is that it can only control oxygen flow, can not accurately control oxygen intake concentration by face shield or nose catheter patency formula oxygen intake at present.Effect and the spinoff of oxygen inhalation therapy all depend primarily on concentration of oxygen inhalation.When Conventional masks or nasal tube oxygen inhalation, a large amount of waste of oxygen is in air, the amplitude that actual fraction of inspired oxygen improves is limited, a part needs the people inhaling higher concentration oxygen not reach ideal effect, traditional ways of oxygen inhalation wastes a large amount of oxygen in addition, can cause when being in oxygen uptake and need frequent replacing oxygen bag or tank.
Utility model content
The purpose of this utility model is to provide a kind of oxygen inhalation instrument, can automatic controlling and monitoring oxygen intake concentration.
According to convenient oxygen inhalation instrument of the present utility model, comprising:
Face shield assembly, has exhalation vents and air entry, and wherein the exhalation vents place of face shield assembly is provided with the expiratory one-way valve that is communicated with air and air entry place is provided with breather cheek valve;
Air-breathing is responsible for, and have first end and the second end, first end is communicated with the air entry impermeability of face shield assembly;
Inspiratory flow gauge, has inlet end and outlet side, and the second end impermeability that outlet side and air-breathing are responsible for is communicated with;
Three-way pipe, have three road interfaces, first via interface is connected with the inlet end of inspiratory flow gauge;
Air branch line, one end is connected with the second road interface of three-way pipe, and the other end is communicated with air, and air branch line is provided with air inlet retaining valve,
Oxygen branch line, one end is connected with the 3rd road interface of three-way pipe, and the other end is provided with oxygen supply port, and oxygen supply port is used for being connected with source of oxygen, in oxygen branch line, be provided with solenoid valve; And
Control device, comprises housing, is provided with central processing unit in housing, and central processing unit is connected with inspiratory flow gauge and solenoid valve, for the oxygen uptake individual human gas soakage detected according to inspiratory flow gauge, controls the oxygen flow in oxygen branch line.
In a preferred embodiment of the present utility model, wherein air branch line, oxygen branch line, three-way pipe, inspiratory flow gauge, solenoid valve and air inlet retaining valve are all arranged in housing.
In another preferred embodiment of the present utility model, solenoid valve comprises protection solenoid valve and proportion magnetic valve, wherein protects solenoid valve and proportion magnetic valve to arrange according to before and after the flow direction of oxygen in oxygen branch line.
In a specific embodiment of the present utility model, also comprise the oxygen concentration detector be connected with central processing unit, the gas sample mouth impermeability that oxygen concentration detector is arranged in being responsible for air-breathing is communicated with.Under preferable case, wherein the air entry place of gas sample mouth vicinal face shade assembly is arranged.Under preferable case, wherein oxygen concentration detector is arranged in the housing of control device.
Under preferable case, between oxygen concentration detector and gas sample mouth, be provided with dehumidifier, be used for removing the moisture detected in gas, oxygen concentration detector is played a protective role.
In another specific embodiment of the present utility model, wherein control device also comprises control panel, and control panel comprises input block and display unit.
In another preferred embodiment of the present utility model, wherein air-breathing supervisor is also provided with pressure limiting valve at the air entry place of vicinal face shade assembly, when the gaseous tension in air-breathing supervisor exceedes predetermined value, and outside emission gases automatically.
Oxygen inhalation instrument of the present utility model can directly control and monitor concentration of oxygen inhalation, and only seldom measure oxygen supply when air-breathing, oxygen need not be given during expiration, the waste of oxygen can be reduced and improve the comfort of oxygen uptake people, and there is advantage that is simple and compact for structure, easy to use, easy to clean and that change.
Accompanying drawing explanation
Fig. 1 is the overall schematic according to convenient oxygen inhalation instrument of the present utility model.
Embodiment
Describe convenient oxygen inhalation instrument of the present utility model in detail below in conjunction with accompanying drawing, it will be appreciated by those skilled in the art that embodiment described below is only to exemplary illustration of the present utility model, but not for making any restriction to it.
Fig. 1 generally shows convenient oxygen inhalation instrument of the present utility model, mainly comprises face shield assembly 1, air-breathing supervisor 2, control device 12.
Face shield assembly 1 has exhalation vents 8 and air entry 15, and wherein exhalation vents 8 place of face shield assembly 1 is provided with the expiratory one-way valve 7 that is communicated with air and air entry 15 place is provided with breather cheek valve 9.Face shield assembly 1 can fit tightly with the snout of oxygen uptake people.
Air-breathing supervisor 2 has first end 21 and the second end 22, wherein the air-breathing supervisor first end 21 of 2 is communicated with (or the two is formed as one) with air entry 15 impermeability of face shield assembly 1, air-breathing be responsible for 2 22, the second end and the air-breathing interface 27 on control device 12 removably impermeability be communicated with.Under normal circumstances, air-breathing supervisor 2 is the threaded line pipe of about length 1m, diameter about 30mm (children about 15mm).
Control device 12 has the housing 14 of all round closure.Central processing unit 16, inspiratory flow gauge 3, three-way pipe 5, air branch line 10 and oxygen branch line 4 is provided with in housing 14.The outlet side 20 of inspiratory flow gauge 3 is communicated with the air-breathing interface 27 be arranged on housing 14, and the inlet end 19 of inspiratory flow gauge 3 is connected with a road interface of three-way pipe 5.One end of air branch line 10 and oxygen branch line 4 respectively with the another two-way orifice of three-way pipe 5.The other end of air branch line 10 stretches out housing 14 and is communicated with air, and the other end of oxygen branch line 4 is provided with oxygen supply port 18, and oxygen supply port 18 is used for being connected with source of oxygen (welding bottle or oxygen bag).Oxygen supply port 18 is generally fixedly connected with housing 14, thus is conveniently connected with source of oxygen.Inspiratory flow gauge 3 is used for detecting the gas soakage of oxygen uptake individual human.Inspiratory flow gauge 3 preferably adopts differential flowmeter, and differential flowmeter is quick on the draw, and test result is accurate.
Air inlet retaining valve 17 is provided with in air branch line 10.Protection solenoid valve 25 and proportion magnetic valve 26 is disposed with before and after flowing to according to oxygen in oxygen branch line 4.The master switch that protection solenoid valve 25 supplies as oxygen, proportion magnetic valve 26, as flow control valve, is used for regulating oxygen supply flow rate.In order to realize accurately controlling oxygen supply flow rate, what proportion magnetic valve 26 adopted is that the micromotor with stroke fine adjustment function drives, and is suitable for slowly finely tuning in certain open range.And if proportion magnetic valve 26 is used as oxygen supply master switch simultaneously, because the stroke opened and closed is comparatively large, not only consuming time, and the wearing and tearing of spool can reduce the precision of flow control in Long-Time Service process.Therefore, oxygen is supplied master switch and flow control valve is provided separately, the supply control of oxygen and flow control are separated, have and control flexibly and accurate advantage.
Central processing unit 16 with inspiratory flow gauge 3, protect solenoid valve 25 and proportion magnetic valve 26 to be electrically connected; the flow value signal that air flowmeter 3 detects is sent to central processing unit 16; central processing unit 16 generating output signal gives protection solenoid valve 25 and proportion magnetic valve 26, is used for the switch of Controlling solenoid valve 25 and the aperture of proportion magnetic valve 26.In concrete enforcement of the present utility model, from the air in air branch line 10 with from the mixed merga pass inspiratory flow gauge 3 in three-way pipe 5 of the oxygen in oxygen branch line 4, suck in patient body through breathing mask 1 after further Homogeneous phase mixing in air-breathing supervisor 2, ensure that the accuracy that inspiratory flow gauge 3 detects according to this.Central processing unit 16 controls the air inflow of oxygen branch line 4 according to the concentration of oxygen inhalation value of the testing result of inspiratory flow gauge 3 and setting.When client need inhalation of low concentration oxygen, the oxygen density value of the flow value that central processing unit 16 detects according to inspiratory flow gauge 3 and setting calculates the oxygen flow value needing branch line 10 to provide, and carrys out the aperture of control ratio solenoid valve 26.When client need sucks higher concentration oxygen, oxygen branch line 4 can be opened in advance, namely the aperture of proportion magnetic valve 26 first reaches a preset value, the oxygen concentration in three-way pipe 5 is made to remain on high value, by inspiratory flow gauge 3 after mixing with the air in air branch line 10 when inspiratory cycle starts, now inspiratory flow gauge 3 can accurately detect suction gas total flow, current breathing state is analyzed via central processing unit 16, when further control air-breathing and expiration, the aperture of proportion magnetic valve 26, realizes the control to oxygen intake concentration.Compare the scheme adding oxygen in the rear end of inspiratory flow gauge 3, the utility model adds oxygen and oxygen concentration can be made to control more fast with accurate in the front end of inspiratory flow gauge 3.
Also see Fig. 1, the air entry 15 of oxygen inhalation instrument of the present utility model vicinal face shade assembly 1 on air-breathing supervisor 2 is also provided with gas sample mouth 6, gas sample mouth 6 is communicated with oxygen concentration detector 23 impermeability, for detecting the oxygen concentration in the suction line 2 at air entry 15 place of vicinal face shade assembly 1.Oxygen concentration detector 23 adopts oxygen electrochemical sensor or oxygen cell usually, accurately and fast can detect the oxygen concentration in mixed gas.Oxygen concentration detector 23 has display and warning function in real time, can send sound and/or light warning, thus remind care provider or oxygen uptake people to take treatment measures when the gas concentration detected exceedes default scope.
Oxygen concentration detector 23 is also arranged in the housing 14 of control device 12, its inlet end is connected by pipeline with the oxygen detection interface 28 be arranged on housing 14, oxygen detection interface 28 is communicated with gas sample mouth 6 by pipeline 29, and the gas after oxygen concentration detector 23 detects outwards can be discharged by the gas discharge outlet 24 be arranged on housing.Dehumidifier 13 can be provided with between oxygen concentration detector 23 and oxygen detection interface 28, be used for removing the moisture detected in gas, thus effectively can reduce the infringement of moisture to the oxygen electrochemical sensor in oxygen concentration detector 23 or oxygen cell, improve the accuracy of testing result and extend serviceable life of oxygen concentration detector 23.
Oxygen concentration detector 23 can also comprise sampling pump, electromagnetic valve component (all not shown in figure).Can realize extracting gas in air-breathing supervisor 2 by predetermined amount of flow by them, thus accurately can control air-breathing and be responsible in 2 entering surface shade assemblies 1 for the gas flow that oxygen uptake people sucks.Oxygen concentration detector 23 is also effectively connected with central processing unit 16, the oxygen concentration that central processing unit 16 detects according to oxygen concentration detector 23, oxygen flow in real-time monitoring oxygen branch line 4, the mixing air realizing having stable oxygen concentration sucks for oxygen uptake people.
Control device 12 also comprises control panel (not shown), and control panel is arranged on the surface of housing 14.Control panel comprises input block and display unit.Predetermined parameter can be inputted by input block.Display unit can show the parameter of input and the parameter of oxygen concentration detector 23 detection in real time intuitively, facilitates monitor and forecast.
Also see Fig. 1, air-breathing supervisor 2 is also provided with pressure limiting valve (or pressure relief valve) 11 at air entry 15 place of vicinal face shade assembly 1, when the gaseous tension in air-breathing supervisor 2 exceedes predetermined value (threshold value), and outside emission gases automatically.In addition, the gas sample mouth 6 in air-breathing supervisor 2 is generally arranged on the upstream (flow direction by air-breathing) of pressure limiting valve 11.Thus suction gas (has reduced a part of pressure) again through pressure limiting valve 11 after being sampled by gas sample mouth 6, can avoid delaying work of pressure limiting valve 11 to a certain extent.
Oxygen inhalation instrument of the present utility model, many pipelines and detecting instrument are all integrated in the housing of control device, housing arranges corresponding air inlet and interface of giving vent to anger, removably be connected with face shield by simple pipeline again, there is advantage that is simple and compact for structure, easy to use, easy to clean and that change.
The workflow of oxygen inhalation instrument of the present utility model is briefly introduced below again see Fig. 1.
First, the oxygen supply port 18 of oxygen inhalation instrument is connected with source of oxygen; Again face shield assembly 1 is worn over oxygen uptake people snout and forms closed connection.Oxygen uptake people first independently sucks air by air branch line 10 from air, and inspiratory flow gauge 3 measures the inspiratory capacity of oxygen uptake individual human.Central processing unit 16 calculates the oxygen supply flow (computing formula: air compensation ≈ (predetermined fraction of inspired oxygen-21%) × inspiratory capacity) needing to supplement according to the inspiratory capacity size measured and the predetermined fraction of inspired oxygen of therapeutic scheme.Central processing unit 16 automatic control electric magnet valve (protection solenoid valve 25 and proportion magnetic valve 26) starts oxygen branch line 4, the oxygen of supply predetermined amount of flow.Inspiratory flow gauge 3 is flowed through again, by sucking for oxygen uptake people in breather cheek valve 9 entering surface shade assembly 1 after the oxygen that oxygen branch line 4 supplements mixes in three-way pipe 5 with the air in air branch line 10.When oxygen uptake people exhales, because the pressure of face shield assembly 1 is greater than the pressure in air-breathing supervisor 2, air inlet retaining valve 17 and breather cheek valve 9 are in closed condition all automatically, and expiratory one-way valve 7 is automatically opened discharge breath in air.During oxygen uptake people air-breathing, air inlet retaining valve 17 and breather cheek valve 9 are opened automatically, and expiratory one-way valve 7 is closed automatically.So repeatedly breathe, realize the oxygen autonomous respiration treatment of steady concentration.
Oxygen inhalation instrument of the present utility model directly can monitor the gas soakage of oxygen uptake people, and automatically can control concentration of oxygen inhalation, thus improves validity and the security of oxygen uptake.Oxygen inhalation instrument of the present utility model only seldom measures oxygen supply when air-breathing, and need not give oxygen during expiration, oxygen uptake people as snug as a bug in a rug, and can save a large amount of oxygen.

Claims (8)

1. a convenient oxygen inhalation instrument, is characterized in that, comprising:
Face shield assembly, has exhalation vents and air entry, and wherein the exhalation vents place of face shield assembly is provided with the expiratory one-way valve that is communicated with air and air entry place is provided with breather cheek valve;
Air-breathing is responsible for, and have first end and the second end, first end is communicated with the air entry impermeability of face shield assembly;
Inspiratory flow gauge, has inlet end and outlet side, and the second end impermeability that outlet side and air-breathing are responsible for is communicated with;
Three-way pipe, have three road interfaces, first via interface is connected with the inlet end of inspiratory flow gauge;
Air branch line, one end is connected with the second road interface of three-way pipe, and the other end is communicated with air, and air branch line is provided with air inlet retaining valve,
Oxygen branch line, one end is connected with the 3rd road interface of three-way pipe, and the other end is provided with oxygen supply port, and oxygen supply port is used for being connected with source of oxygen, in oxygen branch line, be provided with solenoid valve; And
Control device, comprises housing, is provided with central processing unit in housing, and central processing unit is connected with inspiratory flow gauge and solenoid valve, for the oxygen uptake individual human gas soakage detected according to inspiratory flow gauge, controls the oxygen flow in oxygen branch line.
2. convenient oxygen inhalation instrument according to claim 1, is characterized in that, wherein air branch line, oxygen branch line, three-way pipe, inspiratory flow gauge, solenoid valve and air inlet retaining valve are all arranged in housing.
3. convenient oxygen inhalation instrument according to claim 1, is characterized in that, solenoid valve comprises protection solenoid valve and proportion magnetic valve, wherein protects solenoid valve and proportion magnetic valve to arrange according to before and after the flow direction of oxygen in oxygen branch line.
4. convenient oxygen inhalation instrument according to claim 1, is characterized in that, also comprises the oxygen concentration detector be connected with central processing unit, and the gas sample mouth impermeability that oxygen concentration detector is arranged in being responsible for air-breathing is communicated with.
5. convenient oxygen inhalation instrument according to claim 4, is characterized in that, wherein the air entry place of gas sample mouth vicinal face shade assembly is arranged.
6. convenient oxygen inhalation instrument according to claim 4, is characterized in that, wherein oxygen concentration detector is arranged in the housing of control device.
7. convenient oxygen inhalation instrument according to claim 1, it is characterized in that, wherein control device also comprises control panel, and control panel comprises input block and display unit.
8. convenient oxygen inhalation instrument according to claim 1, is characterized in that, wherein air-breathing supervisor is also provided with pressure limiting valve at the air entry place of vicinal face shade assembly, when the gaseous tension in air-breathing supervisor exceedes predetermined value, and outside emission gases automatically.
CN201520633658.6U 2015-08-20 2015-08-20 Convenient oxygen uptake appearance Expired - Fee Related CN204856236U (en)

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Application Number Priority Date Filing Date Title
CN201520633658.6U CN204856236U (en) 2015-08-20 2015-08-20 Convenient oxygen uptake appearance

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Application Number Priority Date Filing Date Title
CN201520633658.6U CN204856236U (en) 2015-08-20 2015-08-20 Convenient oxygen uptake appearance

Publications (1)

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CN204856236U true CN204856236U (en) 2015-12-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105159340A (en) * 2015-08-20 2015-12-16 徐绍杰 Convenient oxygen inhaler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105159340A (en) * 2015-08-20 2015-12-16 徐绍杰 Convenient oxygen inhaler

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151209

Termination date: 20160820