CN104857607B - A kind of oxygen concentration calibrating installation - Google Patents
A kind of oxygen concentration calibrating installation Download PDFInfo
- Publication number
- CN104857607B CN104857607B CN201510274622.8A CN201510274622A CN104857607B CN 104857607 B CN104857607 B CN 104857607B CN 201510274622 A CN201510274622 A CN 201510274622A CN 104857607 B CN104857607 B CN 104857607B
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- oxygen concentration
- magnetic valve
- way magnetic
- concentration sensor
- venturi tube
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000001301 oxygen Substances 0.000 title claims abstract description 80
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 80
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 210000004072 lung Anatomy 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 15
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The embodiment of the invention discloses a kind of oxygen concentration calibrating installation there is provided a kind of oxygen concentration calibrating installation, described device includes oxygen concentration sensor 1, secondary three-way magnetic valve 2, main three-way magnetic valve 3 and Venturi tube structure 4；One end of the Venturi tube structure 4 is connected with one end of the secondary three-way magnetic valve 2, the other end of the secondary three-way magnetic valve 2 and the oxygen concentration sensor 1, the other end of the Venturi tube structure 4 is connected with one end of the main three-way magnetic valve 3, the other end of the main three-way magnetic valve 3 is connected with the oxygen concentration sensor 1, so as to realize the air sucked using Venturi tube structure while carrying out the purpose of 100% and 21% oxygen concentration calibration.
Description
Technical field
The present embodiments relate to the technical field of sensor, more particularly to a kind of oxygen concentration calibrating installation.
Background technology
At present, oxygen concentration sensor has been generally designed in breathing apparatus, and oxygen concentration sensor is when using one section
Between after the situation of concentration excursion can all occur, that is, monitor concentration deviation it is larger.At this moment need to calibrate oxygen concentration sensor.
The method of calibration is generally, and each leads into the compression pure oxygen (oxygen concentration 100%) and compressed air (oxygen concentration of certain flow
21%), calibrate its 100% and 21%.
If calibration can not all be completed by lacking any of which gas.And in institute's external environment (first aid, transhipment environment),
Often without compressed air is equipped with, at this moment just it can not be calibrated.But most of first aid that can realize empty oxygen mixing, transhipment breathing
Machine, is to suck air using venturi principle and reach sky oxygen mixed function, therefore, how to realize 100% and 21% simultaneously
Oxygen concentration calibration be the problem of having to be solved.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of oxygen concentration calibrating installation, it is intended to which how solution is realized simultaneously
The problem of 100% and 21% oxygen concentration is calibrated.
For up to this purpose, the embodiment of the present invention uses following technical scheme：
A kind of oxygen concentration calibrating installation, described device includes oxygen concentration sensor 1, secondary three-way magnetic valve 2, main threeway electromagnetism
Valve 3 and Venturi tube structure 4；One end of the Venturi tube structure 4 is connected with one end of the secondary three-way magnetic valve 2, and described secondary three
The other end of three-way electromagnetic valve 2 and the oxygen concentration sensor 1, the other end of the Venturi tube structure 4 and the main threeway electromagnetism
One end connection of valve 3, the other end of the main three-way magnetic valve 3 is connected with the oxygen concentration sensor 1.
Preferably, the air suction side of the Venturi tube structure 4 is directly accessed air by the secondary three-way magnetic valve 2, and
Disconnected with the oxygen concentration sensor 1；
The gas that the Venturi tube structure 4 is exported is connected to the gas of the oxygen concentration sensor 1 by the main three-way magnetic valve 3
Road, and lung ventilator outlet is output to, the oxygen concentration of the lung ventilator output is 100%.
Preferably, that the air suction side of the Venturi tube structure 4 is directly accessed into the oxygen is dense for the secondary three-way magnetic valve 2
Degree sensor 1 is connected to atmospheric environment by lung ventilator outlet；
The gas that the Venturi tube structure 4 is exported is directly connected to atmospheric environment by the main three-way magnetic valve 3, with the oxygen
Concentration sensor 1 is disconnected.
The embodiment of the present invention provides a kind of oxygen concentration calibrating installation, and described device includes oxygen concentration sensor 1, pair three and is powered
Magnet valve 2, main three-way magnetic valve 3 and Venturi tube structure 4；One end of the Venturi tube structure 4 and the one of the secondary three-way magnetic valve 2
End connection, the other end of the secondary three-way magnetic valve 2 and the oxygen concentration sensor 1, the other end of the Venturi tube structure 4 with
One end connection of the main three-way magnetic valve 3, the other end of the main three-way magnetic valve 3 is connected with the oxygen concentration sensor 1,
So as to realize the air sucked using Venturi tube structure while carrying out the purpose of 100% and 21% oxygen concentration calibration.
Brief description of the drawings
Fig. 1 is the structural representation of oxygen concentration calibrating installation of the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of description, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
Reference picture 1, Fig. 1 is the structural representation of oxygen concentration calibrating installation of the embodiment of the present invention.
In the first embodiment, the oxygen concentration calibrating installation includes：
Oxygen concentration sensor (1), secondary three-way magnetic valve (2), main three-way magnetic valve (3) and Venturi tube structure (4)；The text
One end of structure (4) is connected with one end of the secondary three-way magnetic valve (2) in mound, the other end of the secondary three-way magnetic valve (2)
With the oxygen concentration sensor (1), the other end of the Venturi tube structure (4) and one end of the main three-way magnetic valve (3) connect
Connect, the other end of the main three-way magnetic valve (3) is connected with the oxygen concentration sensor (1).
Preferably, first embodiment, the secondary three-way magnetic valve (2) is by the air suction side of the Venturi tube structure (4)
Air is directly accessed, and is disconnected with the oxygen concentration sensor (1)；
The gas that the Venturi tube structure (4) is exported is connected to the oxygen concentration sensor by the main three-way magnetic valve (3)
(1) gas circuit, and lung ventilator outlet is output to, the oxygen concentration of the lung ventilator output is 100%.
Preferably, second embodiment, the secondary three-way magnetic valve (2) is by the air suction side of the Venturi tube structure (4)
It is directly accessed the oxygen concentration sensor (1) and atmospheric environment is connected to by lung ventilator outlet；
The gas that the Venturi tube structure (4) is exported is directly connected to atmospheric environment by the main three-way magnetic valve (3), with institute
Oxygen concentration sensor (1) is stated to disconnect.
Specifically, when lung ventilator is in normal operating conditions, its principle such as Fig. 1.Now, secondary three-way magnetic valve 2 is by text
The air suction side of structure 4 is directly connected to atmospheric environment in mound, and is disconnected with oxygen concentration sensor 1.Main three-way magnetic valve 3 is by text
The gas exported in mound is connected to the gas circuit of 1 section of oxygen concentration sensor, and final output is exported to lung ventilator, reaches patient.
When lung ventilator needs a little to calibrate the oxygen concentration of oxygen concentration sensor 100%, then the state is normal work
Make state, and lung ventilator output oxygen concentration is set to 100%, concrete operations are depending on different lung ventilators.
When lung ventilator needs a little to calibrate the oxygen concentration of oxygen concentration sensor 21%, and no compressed air only has pressure
During contracting oxygen, the air suction of Venturi tube structure 4 is terminated to oxygen concentration sensor 1 by secondary three-way magnetic valve 2, is gone out by lung ventilator
Mouth is connected to atmospheric environment.The gas that venturi is exported is directly connected to atmospheric environment by main three-way magnetic valve 3, and is passed with oxygen concentration
Sensor 1 is disconnected.
Meanwhile, lung ventilator output oxygen concentration need to be set to its minimum oxygen concentration that can be set, concrete operations are exhaled depending on difference
Depending on suction machine.
Now, at this moment Venturi tube structure 4 will be by the gas of oxygen concentration sensor 1 from lung ventilator outlet suction air
The air of oxygen concentration 21%, therefore, the calibration of any of the achievable oxygen concentration of oxygen concentration sensor 21%.
The embodiment of the present invention provides a kind of oxygen concentration calibrating installation, and described device includes oxygen concentration sensor 1, pair three and is powered
Magnet valve 2, main three-way magnetic valve 3 and Venturi tube structure 4；One end of the Venturi tube structure 4 and the one of the secondary three-way magnetic valve 2
End connection, the other end of the secondary three-way magnetic valve 2 and the oxygen concentration sensor 1, the other end of the Venturi tube structure 4 with
One end connection of the main three-way magnetic valve 3, the other end of the main three-way magnetic valve 3 is connected with the oxygen concentration sensor 1,
So as to realize the air sucked using Venturi tube structure while carrying out the purpose of 100% and 21% oxygen concentration calibration.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (1)
1. a kind of oxygen concentration calibrating installation, it is characterised in that described device includes oxygen concentration sensor (1), secondary three-way magnetic valve
(2), main three-way magnetic valve (3) and Venturi tube structure (4)；One end of the Venturi tube structure (4) and the secondary three-way magnetic valve
(2) one end connection, the other end of the secondary three-way magnetic valve (2) is connected with the oxygen concentration sensor (1), the venturi
The other end of structure (4) is connected with one end of the main three-way magnetic valve (3), the other end of the main three-way magnetic valve (3) with
Oxygen concentration sensor (1) connection；
When lung ventilator is in normal operating conditions, the secondary three-way magnetic valve (2) inhales the air of the Venturi tube structure (4)
Enter end and be directly connected to atmospheric environment, and disconnected with the oxygen concentration sensor (1), the main three-way magnetic valve (3) is by the text
The gas that structure (4) is exported in mound is connected to the gas circuit of the oxygen concentration sensor (1) section, and final output is exported to lung ventilator,
Reach patient；When lung ventilator needs a little to calibrate the oxygen concentration of oxygen concentration sensor 100%, then the state is normal work
Make state, and lung ventilator output oxygen concentration is set to 100%；
When lung ventilator needs a little to calibrate the oxygen concentration of oxygen concentration sensor 21%, and no compressed air only has compressed oxygen
During gas, the air suction of the Venturi tube structure (4) is terminated to the oxygen concentration sensor by the secondary three-way magnetic valve (2)
(1) atmospheric environment, is connected to by lung ventilator outlet；What the main three-way magnetic valve (3) exported the Venturi tube structure (4)
Gas is directly connected to atmospheric environment, and is disconnected with the oxygen concentration sensor (1)；Meanwhile, lung ventilator need to be exported oxygen dense
Degree is set to its minimum oxygen concentration that can be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510274622.8A CN104857607B (en) | 2015-05-26 | 2015-05-26 | A kind of oxygen concentration calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274622.8A CN104857607B (en) | 2015-05-26 | 2015-05-26 | A kind of oxygen concentration calibrating installation |
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| CN104857607A CN104857607A (en) | 2015-08-26 |
| CN104857607B true CN104857607B (en) | 2017-09-05 |
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| CN201510274622.8A Active CN104857607B (en) | 2015-05-26 | 2015-05-26 | A kind of oxygen concentration calibrating installation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106540382A (en) * | 2016-12-30 | 2017-03-29 | 中国人民解放军第四军医大学 | A kind of electronics breathing regulator and method for being applied to aircrew's oxygen supply on machine |
| FR3146810A1 (en) * | 2023-03-21 | 2024-09-27 | Inosystems | Calibration device for sensors of a NO delivery device |
Citations (8)
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|---|---|---|---|---|
| US4648395A (en) * | 1982-07-07 | 1987-03-10 | Sanyo Densihkogyo Co. Ltd. | Synchronized feed type oxygen concentrator for use in an open breathing system |
| CN1817378A (en) * | 2006-03-10 | 2006-08-16 | 张培林 | Non-compressed air mixing system of intelligent respirator |
| CN201189345Y (en) * | 2008-05-23 | 2009-02-04 | 北京航天长峰股份有限公司 | Oxygen concentration adjustment device |
| CN101970034A (en) * | 2007-11-19 | 2011-02-09 | 护理联合2200公司 | Patient interface assembly for respiratory therapy |
| CN102500020A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Pilot-operated type control air channel system of breathing machine |
| DE102011010581A1 (en) * | 2011-02-08 | 2012-08-09 | Gerhard Müller | Device for high-frequency artificial respiration for mobile use with open ventilation system, has pressure sensor arranged in breathing feed region, where supply cross-section is adjusted to adapt respiratory pressure with upcoming pressure |
| CN103893879A (en) * | 2012-12-27 | 2014-07-02 | 北京谊安医疗系统股份有限公司 | Respirator or anesthetic apparatus and oxygen concentration auto-checking method |
| CN104225745A (en) * | 2014-10-17 | 2014-12-24 | 中国计量科学研究院 | Calibration device of breathing machine tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007086765A1 (en) * | 2006-01-24 | 2007-08-02 | Devx Tech Ip Limited | A hypoxic training apparatus with an improved housing |
-
2015
- 2015-05-26 CN CN201510274622.8A patent/CN104857607B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4648395A (en) * | 1982-07-07 | 1987-03-10 | Sanyo Densihkogyo Co. Ltd. | Synchronized feed type oxygen concentrator for use in an open breathing system |
| CN1817378A (en) * | 2006-03-10 | 2006-08-16 | 张培林 | Non-compressed air mixing system of intelligent respirator |
| CN101970034A (en) * | 2007-11-19 | 2011-02-09 | 护理联合2200公司 | Patient interface assembly for respiratory therapy |
| CN201189345Y (en) * | 2008-05-23 | 2009-02-04 | 北京航天长峰股份有限公司 | Oxygen concentration adjustment device |
| DE102011010581A1 (en) * | 2011-02-08 | 2012-08-09 | Gerhard Müller | Device for high-frequency artificial respiration for mobile use with open ventilation system, has pressure sensor arranged in breathing feed region, where supply cross-section is adjusted to adapt respiratory pressure with upcoming pressure |
| CN102500020A (en) * | 2011-09-28 | 2012-06-20 | 于邦仲 | Pilot-operated type control air channel system of breathing machine |
| CN103893879A (en) * | 2012-12-27 | 2014-07-02 | 北京谊安医疗系统股份有限公司 | Respirator or anesthetic apparatus and oxygen concentration auto-checking method |
| CN104225745A (en) * | 2014-10-17 | 2014-12-24 | 中国计量科学研究院 | Calibration device of breathing machine tester |
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| CN104857607A (en) | 2015-08-26 |
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Address after: A1302, Shenzhen national engineering laboratory building, No. 20, Gaoxin South 7th Road, Gaoxin community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518052 Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Address before: 518052 East Shenzhen Security Technology Co., Ltd. on the third floor of Block A, Nanyuan Road, Nanyuan Industrial Park, Nanshan District, Shenzhen City, Guangdong Province Patentee before: AMBULANC (SHENZHEN) TECH. Co.,Ltd. |
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Address after: 518000, Building 1, 101, Evergrande Fashion Huigu Building, Fulong Road, Shanghenglang Community, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Security Medical Technology Co.,Ltd. Country or region after: China Address before: A1302, Shenzhen national engineering laboratory building, No. 20, Gaoxin South 7th Road, Gaoxin community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518052 Patentee before: Shenzhen Security Medical Technology Co.,Ltd. Country or region before: China |