CN102114287B - Respirator and oxygen concentration detection device and method - Google Patents
Respirator and oxygen concentration detection device and method Download PDFInfo
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- CN102114287B CN102114287B CN 200910217571 CN200910217571A CN102114287B CN 102114287 B CN102114287 B CN 102114287B CN 200910217571 CN200910217571 CN 200910217571 CN 200910217571 A CN200910217571 A CN 200910217571A CN 102114287 B CN102114287 B CN 102114287B
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Abstract
The invention provides a respirator as well as an oxygen concentration detection device and an oxygen concentration detection method for the respirator. The oxygen concentration detection device for the respirator comprises a transmission pipeline, a selection valve, and an oxygen concentration sensor, wherein the transmission pipeline is used for transmitting gas inside a chassis of the respirator; a first input end of the selection valve is connected with an inhaling pipeline of the respirator, and a second input end of the selection valve is connected with the transmission pipeline; and a first input end of the oxygen concentration sensor is connected to an output end of the selection valve, and the oxygen concentration sensor is selectively connected with the transmission pipeline or the inhaling pipeline through the selection valve, and is used for detecting the oxygen concentration in the transmission pipeline or the inhaling pipeline. The original oxygen concentration sensor used for detecting the oxygen concentration of the inhaling pipeline is adopted to detect the oxygen concentration of the gas inside the chassis to judge whether oxygen-rich air is produced inside the chassis, so the problems of high cost and inconvenient maintenance are solved, and the effect of conveniently and effectively monitoring the oxygen concentration of the gas inside the chassis of the respirator is achieved further.
Description
Technical field
The present invention relates to the oxygen concentration detecting apparatus and the method for a kind of respirator, respirator.
Background technology
At present, respirator is in the process of using, and pipeline oxygen may leak, thereby produces oxygen-enriched air at cabinet inside.Because possibly there is electric spark in electric wiring, so but this oxygen-enriched air fire hazard.
In order to address the above problem, that adopts at present generally has two kinds of schemes:
1) uses fan aerofluxus incessantly
Concrete, most respirators are being installed a fan on the housing near the place of assembling oxygen easily, and when machine moves, start fan exhaust simultaneously.
But, owing to can not know the real gas oxygen concentration, may be improper because of the fan installation site, damage or rotating speed not enough, thereby can not effectively control oxygen concentration.In addition,, can not accomplish when oxygen exceeds standard, to alarm, remind user processing, thereby have potential safety hazard, especially when oxygen leaks fast owing to can not obtain oxygen concentration information.
2) increase an oxygen concentration sensor, be used for detecting
Concrete, oxygen concentration sensor of the extra increase of the respirator that has detects the oxygen concentration of cabinet internal gas, whether produces oxygen-enriched air so that judge cabinet inside.But, increase cost so greatly, and also need newly-increased oxygen concentration sensor be positioned over the inside of respirator, make and safeguard inconvenience.
Summary of the invention
The present invention aims to provide the oxygen concentration detecting apparatus and the method for a kind of respirator, respirator, and can solve in the relevant technology cost increases, safeguards problems such as inconvenience.
To achieve these goals, according to an aspect of the present invention, a kind of oxygen concentration detecting apparatus of respirator is provided, it comprises: transmission pipeline is used to transmit the cabinet inside gas of respirator; Select valve, select the first input end of valve to be connected, select second input of valve to be connected with transmission pipeline with the aspirating air pipe of respirator; Oxygen concentration sensor, the first input end of oxygen concentration sensor are connected to the outfan of selecting valve, optionally are connected with transmission pipeline or aspirating air pipe through selecting valve, are used for the oxygen concentration of detected transmission pipeline or aspirating air pipe.
Preferably, the oxygen concentration detecting apparatus of above-mentioned respirator also comprises: the air-supply parts, be arranged on the outside of transmission pipeline, and be used for cabinet inside gas is sent into transmission pipeline.
Preferably, second input of oxygen concentration sensor is connected to atmosphere.
To achieve these goals, according to another aspect of the present invention, a kind of respirator is provided, has comprised aspirating air pipe, oxygen concentration sensor.This respirator also comprises: transmission pipeline is used to transmit the cabinet inside gas of respirator; Select valve; Select the first input end of valve to be connected with the aspirating air pipe of respirator; Select second input of valve to be connected with transmission pipeline, wherein, the first input end of oxygen concentration sensor is connected to the outfan of selecting valve; Through selecting valve optionally to be connected, be used for the oxygen concentration of detected transmission pipeline or aspirating air pipe with transmission pipeline or aspirating air pipe.
Preferably, above-mentioned respirator also comprises: the air-supply parts, be arranged on the outside of transmission pipeline, and be used for cabinet inside gas is sent into transmission pipeline.
Preferably, second input of oxygen concentration sensor is connected to atmosphere.
To achieve these goals, according to another aspect again of the present invention, a kind of oxygen concentration detection method of respirator is provided; Wherein, This respirator is above-mentioned respirator, and the oxygen concentration detection method of this respirator comprises: S31 judges whether to detect the oxygen concentration of cabinet internal gas; If then go to S33, otherwise go to S32; S32, selector valve goalkeeper aspirating air pipe is connected with oxygen concentration sensor, detects the oxygen concentration in the aspirating air pipe; S33, selector valve goalkeeper transmission pipeline is connected with oxygen concentration sensor, the oxygen concentration of cabinet inside gas in the detected transmission pipeline.
Preferably, if the oxygen concentration that detects cabinet inside gas in the transmission pipeline then sends warning greater than predetermined threshold value.
Preferably, the process that judges whether to detect the oxygen concentration of cabinet internal gas comprises: judge whether the current time is the detection time of the oxygen concentration of cabinet inside gas, wherein, the sense cycle of the oxygen concentration of cabinet inside gas is set in advance.
Because adopted original oxygen concentration sensor that is used to detect the oxygen concentration of aspirating air pipe to detect the oxygen concentration of cabinet internal gas; Whether produce oxygen-enriched air so that judge cabinet inside; Increase considerably cost, safeguard inconvenient problem so overcome, and then the effect that has reached convenience, effectively the oxygen concentration of the cabinet inside gas of respirator has been monitored.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the sketch map according to the oxygen concentration detecting apparatus of the respirator of the embodiment of the invention;
Fig. 2 is the sketch map according to the respirator of the embodiment of the invention;
Fig. 3 is the flow chart according to the oxygen concentration detection method of the respirator of the embodiment of the invention;
Fig. 4 is the detail flowchart according to the oxygen concentration detection method of the respirator of the embodiment of the invention.
The specific embodiment
Below with reference to accompanying drawing and combine embodiment, specify the present invention.
Embodiment 1
Fig. 1 is the sketch map according to the oxygen concentration detecting apparatus of the respirator of the embodiment of the invention.As shown in Figure 1, the oxygen concentration detecting apparatus of this respirator comprises: transmission pipeline 2 is used to transmit the cabinet inside gas of respirator; Select valve 6, select the first input end of valve 6 to be connected, select second input of valve 6 to be connected with transmission pipeline 2 with the aspirating air pipe 1 of respirator; Oxygen concentration sensor 4, the first input end of oxygen concentration sensor 4 are connected to the outfan of selecting valve 6, optionally are connected with transmission pipeline 2 or aspirating air pipe 1 through selecting valve 6, are used for the oxygen concentration of detected transmission pipeline 2 or aspirating air pipe 1.
In the present embodiment, oxygen concentration sensor 4 is original oxygen concentration sensor that is used for measuring the oxygen concentration of aspirating air pipe 1 in the respirator.
Above-mentioned oxygen concentration sensor 4 can link to each other with selecting valve 6 through oxygen concentration measuring channel 3.
Above-mentioned selection valve 6 can be an electromagnetic valve, through the input signal of control electromagnetic valve 6, can control oxygen concentration sensor 4 and aspirating air pipe 1 or transmission pipeline 2 UNICOMs.
Further, the oxygen concentration detecting apparatus of this respirator comprises: air-supply parts 5, be arranged on the outside of transmission pipeline 2, and be used for cabinet inside gas is sent into transmission pipeline 2.
Further, second input of oxygen concentration sensor 4 is connected to atmosphere, so that referenmce atomsphere comes the oxygen concentration of computer casing internal gas.
Fig. 2 is the sketch map according to the respirator of the embodiment of the invention.As shown in Figure 2, respirator 10 can comprise oxygen concentration detecting apparatus as shown in Figure 1, that is, respirator 10 comprises: aspirating air pipe 1, oxygen concentration sensor 4; Transmission pipeline 2 is used to transmit the cabinet inside gas of respirator; Select valve 6, select the first input end of valve to be connected, select second input of valve 6 to be connected with transmission pipeline 2 with the aspirating air pipe 1 of respirator; Oxygen concentration sensor 4, the first input end of oxygen concentration sensor 4 are connected to the outfan of selecting valve 6, optionally are connected with transmission pipeline 2 or aspirating air pipe 1 through selecting valve 6, are used for the oxygen concentration of detected transmission pipeline 2 or aspirating air pipe 1.
Above-mentioned oxygen concentration sensor 4 can link to each other with selecting valve 6 through oxygen concentration measuring channel 3.
Above-mentioned selection valve 6 can be an electromagnetic valve, through the input signal of control electromagnetic valve 6, can control oxygen concentration sensor 4 and aspirating air pipe 1 or transmission pipeline 2 UNICOMs.
Further, the oxygen concentration detecting apparatus of this respirator comprises: air-supply parts 5, be arranged on the outside of transmission pipeline 2, and be used for cabinet inside gas is sent into transmission pipeline 2.
Further, second input of oxygen concentration sensor 4 is connected to atmosphere, so that referenmce atomsphere comes the oxygen concentration of computer casing internal gas.
Fig. 3 is the flow chart according to the oxygen concentration detection method of the respirator of the embodiment of the invention.As shown in Figure 3, this method comprises:
S31 judges whether to detect the oxygen concentration of cabinet internal gas, if then go to S33, otherwise goes to S32;
S32, selector valve goalkeeper aspirating air pipe is connected with oxygen concentration sensor, detects the oxygen concentration in the aspirating air pipe;
S33, selector valve goalkeeper transmission pipeline is connected with oxygen concentration sensor, the oxygen concentration of cabinet inside gas in the detected transmission pipeline.
Fig. 4 is the detail flowchart according to the oxygen concentration detection method of the respirator of the embodiment of the invention.As shown in Figure 4; Can not suddenly change at short notice because the oxygen in the aspirating air pipe 1 is dense, the oxygen concentration in the transmission pipeline 2 can not suddenly change yet, and selects valve 6 so can use; Of short duration disconnection aspirating air pipe 1 is connected with oxygen concentration measuring channel 3; Measure to oxygen concentration sensor 4 gas transmissions in the transmission pipeline 2, measure, again being connected aspirating air pipe 1 and oxygen concentration measuring channel 3 through selecting the selection of valve 6; Measure to oxygen concentration sensor 4 gas transmission in the aspirating air pipe 1, to the measurement of oxygen concentration in the aspirating air pipe 1.
Concrete, the oxygen concentration detection method of respirator mainly may further comprise the steps:
S41 judges whether the current time is the detection time of the oxygen concentration of cabinet inside gas, wherein, the sense cycle of the oxygen concentration of cabinet inside gas is set in advance.If, then go to S44, otherwise, go to S42
S42 selects valve 6 to connect aspirating air pipe 1 and oxygen concentration measuring channel 3.
S43, the oxygen concentration that oxygen concentration sensor 4 is measured in the aspirating air pipe 1 obtains measured value.
S44 opens small fan 5, and cabinet inside gas is blown into transmission pipeline 2.
S45 selects valve 6 to connect transmission pipeline 2 and oxygen concentration measuring channel 3.
S46, the oxygen concentration that oxygen concentration sensor 4 is measured in the transmission pipeline 2 obtains measured value.
S47 closes small fan 5.
S48 selects valve 6 to connect aspirating air pipe 1 and oxygen concentration measuring channel 3.
S49 judges whether the oxygen concentration in the transmission pipeline 2 exceeds predetermined threshold value, if surpass, goes to S50, otherwise, go to S51.
S50 is provided with the concentration warning mark, and the oxygen concentration that is used for identifying transmission pipeline 2 exceeds predetermined threshold value.
S51 sends the measurement data that measures through serial ports.
In the foregoing description 1～3; The oxygen concentration sensor that adopts is an existing oxygen concentration sensor on the respirator, detects the oxygen concentration of cabinet internal gas through existing oxygen concentration sensor, and judges whether cabinet inside produces oxygen-enriched air; Thereby do not add on the basis of cost heightening very much; Realize the measurement of the oxygen concentration of aspirating air pipe and cabinet inside, and can pass through serial communication, informed the host computer display process; And be furnished with warning prompt, can enhance product performance greatly with safe in utilization.In addition, because original oxygen concentration sensor generally is installed on the cabinet housing of respirator, makes and be convenient to installation and maintenance.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the oxygen concentration detecting apparatus of a respirator is characterized in that, comprising:
Transmission pipeline is used to transmit the cabinet inside gas of respirator;
Select valve, the first input end of said selection valve is connected with the aspirating air pipe of respirator, and second input of said selection valve is connected with said transmission pipeline;
Oxygen concentration sensor; The first input end of said oxygen concentration sensor is connected to the outfan of said selection valve; Optionally be connected through said selection valve, be used for detecting the oxygen concentration of said transmission pipeline or said aspirating air pipe with said transmission pipeline or said aspirating air pipe.
2. the oxygen concentration detecting apparatus of respirator according to claim 1 is characterized in that, also comprises:
The air-supply parts are arranged on the outside of said transmission pipeline, are used for said cabinet inside gas is sent into said transmission pipeline.
3. the oxygen concentration detecting apparatus of respirator according to claim 1 is characterized in that, second input of said oxygen concentration sensor is connected to atmosphere.
4. a respirator comprises aspirating air pipe, oxygen concentration sensor, it is characterized in that, also comprises:
Transmission pipeline is used to transmit the cabinet inside gas of respirator;
Select valve, the first input end of said selection valve is connected with the aspirating air pipe of respirator, and second input of said selection valve is connected with said transmission pipeline,
Wherein,
The first input end of said oxygen concentration sensor is connected to the outfan of said selection valve; Optionally be connected through said selection valve, be used for detecting the oxygen concentration of said transmission pipeline or said aspirating air pipe with said transmission pipeline or said aspirating air pipe.
5. respirator according to claim 4 is characterized in that, also comprises:
The air-supply parts are arranged on the outside of said transmission pipeline, are used for said cabinet inside gas is sent into said transmission pipeline.
6. respirator according to claim 4 is characterized in that, second input of said oxygen concentration sensor is connected to atmosphere.
7. the oxygen concentration detection method of a respirator, wherein, said respirator is the respirator shown in each in the claim 4 to 6, it is characterized in that, comprising:
S31 judges whether to detect the oxygen concentration of cabinet internal gas, if then go to
S33, otherwise go to S32;
S32, the said aspirating air pipe of said selector valve goalkeeper is connected with said oxygen concentration sensor, detects the oxygen concentration in the said aspirating air pipe;
S33, the said transmission pipeline of said selector valve goalkeeper is connected with said oxygen concentration sensor, detects the oxygen concentration of cabinet inside gas in the said transmission pipeline.
8. the oxygen concentration detection method of respirator according to claim 7 is characterized in that, if the oxygen concentration that detects cabinet inside gas in the said transmission pipeline then sends warning greater than predetermined threshold value.
9. the oxygen concentration detection method of respirator according to claim 7 is characterized in that, the process that judges whether to detect the oxygen concentration of cabinet internal gas comprises:
Judge whether the current time is the detection time of the oxygen concentration of cabinet inside gas, wherein, the sense cycle of the oxygen concentration of cabinet inside gas is set in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217571 CN102114287B (en) | 2009-12-31 | 2009-12-31 | Respirator and oxygen concentration detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910217571 CN102114287B (en) | 2009-12-31 | 2009-12-31 | Respirator and oxygen concentration detection device and method |
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| CN102114287A CN102114287A (en) | 2011-07-06 |
| CN102114287B true CN102114287B (en) | 2012-10-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2497304A (en) * | 2011-12-06 | 2013-06-12 | Tecom Analytical Systems | Estimation of energy expenditure |
| CN104215677B (en) * | 2013-06-05 | 2019-03-05 | 北京谊安医疗系统股份有限公司 | Anesthesia machine and its oxygen concentration monitoring method and oxygen concentration monitoring device |
| CN118202239A (en) * | 2021-10-29 | 2024-06-14 | 深圳迈瑞生物医疗电子股份有限公司 | Medical equipment and oxygen concentration measuring method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130930A2 (en) * | 1983-07-04 | 1985-01-09 | Albert Desgranges | Device for measuring the endotracheal pressure during high-frequency jet ventilation |
| CN1726061A (en) * | 2002-12-17 | 2006-01-25 | 帝人制药株式会社 | Oxygen supply apparatus |
| CN100998902A (en) * | 2006-01-13 | 2007-07-18 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for mornitering and controlling flow |
| CN101180100A (en) * | 2005-03-25 | 2008-05-14 | Msa奥尔有限责任公司 | Method and arrangement for determination of the residual capacity of breathable air for an oxygen-generating breathing apparatus operated in circuit |
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2009
- 2009-12-31 CN CN 200910217571 patent/CN102114287B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130930A2 (en) * | 1983-07-04 | 1985-01-09 | Albert Desgranges | Device for measuring the endotracheal pressure during high-frequency jet ventilation |
| CN1726061A (en) * | 2002-12-17 | 2006-01-25 | 帝人制药株式会社 | Oxygen supply apparatus |
| CN101180100A (en) * | 2005-03-25 | 2008-05-14 | Msa奥尔有限责任公司 | Method and arrangement for determination of the residual capacity of breathable air for an oxygen-generating breathing apparatus operated in circuit |
| CN100998902A (en) * | 2006-01-13 | 2007-07-18 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for mornitering and controlling flow |
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| CN102114287A (en) | 2011-07-06 |
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