CN206177868U - Oxygen sensors monitor device - Google Patents
Oxygen sensors monitor device Download PDFInfo
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- CN206177868U CN206177868U CN201621208575.3U CN201621208575U CN206177868U CN 206177868 U CN206177868 U CN 206177868U CN 201621208575 U CN201621208575 U CN 201621208575U CN 206177868 U CN206177868 U CN 206177868U
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- oxygen
- air inlet
- oxygen sensor
- gas outlet
- monitoring device
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Abstract
The utility model relates to an oxygen sensors monitor device, include: switching valve and measuring box, switching valve has first air inlet, second air inlet and first gas outlet, and first air inlet is used for inserting first concentration oxygen, and the second air inlet is used for inserting second concentration oxygen, first gas outlet and detection case body coupling, detecting the box and including box body, inflation inlet and the export of losing heart, the inflation inlet is connected with switching valve's first gas outlet, the box body is used for placing the oxygen sensor. The oxygen that uses known two kinds of concentration of difference through the switching valve control detection box carries out twice measuring to lieing in the internal oxygen sensor of detection case, carries out the comparison with the detected value and the known actual concentration of oxygen sensor, can judge whether unusual the oxygen sensor is. Especially, through twice detection, the detection number of times can be improved, the rate of accuracy that detects is improved.
Description
Technical field
The utility model is related to medical instruments field, more particularly to a kind of oxygen sensor monitoring device.
Background technology
Oxygen concentration in infant incubator is maintained at certain critical field, is commonly provided with oxygen sensor to examine
Survey oxygen concentration in incubator.
Oxygen sensor used on the market at present is substantially the oxygen cell using chemical reaction mode, and its principle is to adopt
With certain chemical material regularly changing to oxygen, situation of change is transported out with electric signal.But chemical material has
Service life and loss, the loss to avoid the material because of oxygen sensor causes oxygen sensor detection mistake, oxygen occur
Sensor will calibrated once afterwards using 24 hours, accurate to guarantee oxygen concentration detection.
Mostly to oxygen sensor calibration at present is, using one-point type air calibration method, oxygen sensor to be dropped in air
A few minutes, content of oxygen in air is more stable, is 21% or so, and corresponding output valve is compared with factory setting value.
Although the oxygen content in air is more stable, deviation is there may be, so as to cause the bigger error of detected value, be unfavorable for patient
Health.
Utility model content
Based on this, it is necessary to provide a kind of accuracy rate high oxygen sensor monitoring device.
A kind of oxygen sensor monitoring device, including：Switch valve and detection casing；
The switch valve has the first air inlet, the second air inlet and the first gas outlet, and first air inlet is used for
The first concentration oxygen is accessed, second air inlet is used to access the second concentration oxygen, first gas outlet and the detection
Casing connects；
The detection casing includes box-like body, inflation inlet and air bleed outlets, the inflation inlet and the switch valve
First gas outlet connects；The box-like body is used to place oxygen sensor.
Wherein in one embodiment, also including T-shaped pipeline, the T-shaped pipeline includes the 3rd air inlet, the second gas outlet
With the 3rd gas outlet；3rd air inlet of the T-shaped pipeline is used to access the second concentration oxygen；Second gas outlet and culture
The oxygen air inlet connection of case；3rd gas outlet is connected with the second air inlet of the switch valve.
Wherein in one embodiment, also including filter, pressure-reducing valve, the first switching switch and the second switching switch；Institute
Stating the input of filter is used to access the second concentration oxygen, and the output end of the filter connects with the input of the pressure-reducing valve
Connect, the output end of the pressure-reducing valve is connected with the input of the described second switching switch, the output end of the second switching switch
It is connected with the 3rd air inlet of the T-shaped pipeline；One end of the first switching switch goes out with described the second of the T-shaped pipeline
Gas port connects, and the other end of the first switching switch is connected with the oxygen air inlet of incubator.
Wherein in one embodiment, also including controller and the man-machine interaction unit being connected with the controller, institute
State controller to be connected with the switch valve, the first switching switch and the second switching switch.
Wherein in one embodiment, also include the alarm being connected with the controller, the oxygen sensor is used for
It is connected with the controller.
Wherein in one embodiment, the switch valve is triple valve.
Wherein in one embodiment, the first switching switch and the described second switching switch are magnetic valve.
Wherein in one embodiment, the alarm is audible-visual annunciator.
Wherein in one embodiment, the air bleed outlets are the through hole for being arranged on the box-like body.
Above-mentioned oxygen sensor monitoring device, detects first air inlet and second air inlet of the casing by switch valve
Variable concentrations oxygen is respectively connected to, so as to detect that casing provides the oxygen of variable concentrations, by switch valve detection case is controlled
Body is detected twice using the oxygen sensor that the oxygen of known different two kinds of concentration is pointed in detection case body, by oxygen
The detected value of sensor is compared with known actual concentrations, can interpolate that whether oxygen sensor is abnormal.Particularly by twice
Detection, it is possible to increase detection number of times, improves the accuracy rate of detection.
Description of the drawings
Fig. 1 is the structural representation of the oxygen sensor monitoring device of one embodiment；
Fig. 2 is the structural representation of the oxygen sensor monitoring device of another embodiment；
Fig. 3 is the structural representation of the oxygen sensor monitoring device of another embodiment.
Specific embodiment
As shown in figure 1, a kind of oxygen sensor monitoring device, including：Switch valve 50 and detection casing 70.
Switch valve 50 has the first air inlet 51, the second air inlet 52 and the first gas outlet 53, and the first air inlet 51 is used
In the first concentration oxygen is accessed, the second air inlet 52 is used to access the second concentration oxygen, the first gas outlet 53 and detection casing 70
Connection.Detection casing 70 includes box-like body 71, inflation inlet 72 and air bleed outlets 73, inflation inlet 72 and the first of switch valve 50
Gas outlet connects, and box-like body is used to place oxygen sensor 20.In a specific embodiment, switch valve is threeway
Valve.Using above-mentioned oxygen sensor monitoring device, the first air inlet 51 of switch valve with and the second air inlet 52 use respectively
In the oxygen for accessing variable concentrations, for example, connect from the oxygen pump of different oxygen concentrations respectively.In a particular embodiment,
First concentration oxygen of concentration known enters the first air inlet 51 of switch valve 50 by the first oxygen supply pipeline 10, by switching valve
First air inlet 51 of door is opened, and the second air inlet 52 is closed, and oxygen enters detection by first gas outlet 53 of switch valve
Casing 70.The inflation inlet 72 of detection casing 70 is connected with the first gas outlet 53 of switch valve, and oxygen sensor 20 is placed on inspection
In measuring tank body 70.Oxygen sensor 20 pairs enters the detection oxygen of casing 70 and detects, obtains the oxygen concentration for detecting.Detection case
Body is additionally provided with air bleed outlets 73, oxygen is discharged in air after oxygen sensor.In a specific embodiment
In, air bleed outlets are the through hole for being arranged on box-like body.
Then, the second air inlet 52 of switch valve is opened, the first air inlet 51 is closed.Second concentration of concentration known
Oxygen enters the second air inlet 52 of switch valve 50 by the second oxygen supply pipeline 30, and by the first gas outlet 53 detection case is entered
Body 70.The inflation inlet 72 of detection casing 70 is connected with the first gas outlet 53 of switch valve, and oxygen sensor 20 is placed on detection
In casing 70.Oxygen sensor 20 pairs enters the detection oxygen of casing 70 and detects, obtains the oxygen concentration for detecting.
Due to the oxygen concentration for detecting twice be it is known, according to each oxygen sensor detection oxygen concentration with it is known
Concentration data is compared, and oxygen sensor can be monitored.Using the oxygen of two kinds of variable concentrations to oxygen sensor
Detection, only when the difference of detected value and actual concentrations thinks that oxygen sensor is normal in preset range,.If arbitrarily once
Detected value and actual concentrations difference it is larger, then it is assumed that oxygen sensor exception.By detecting twice, it is possible to increase detection time
Number, improves the accuracy rate of detection.
Above-mentioned oxygen sensor monitoring device, detects first air inlet and second air inlet of the casing by switch valve
Variable concentrations oxygen is respectively connected to, so as to detect that casing provides the oxygen of variable concentrations, by switch valve detection case is controlled
Body is detected twice using the oxygen sensor that the oxygen of known different two kinds of concentration is pointed in detection case body, by oxygen
The detected value of sensor is compared with known actual concentrations, can interpolate that whether oxygen sensor is abnormal.Particularly by twice
Detection, it is possible to increase detection number of times, improves the accuracy rate of detection.
In a specific embodiment, the oxygen of the concentration known that oxygen sensor monitoring device is adopted is respectively 21%
With 100%, the oxygen concentration that incubator is adopted for 100%, in the present embodiment, the oxygen of 100% concentration needed for monitoring
Gas circuit can share a gas circuit with incubator.As shown in Fig. 2 also including T-shaped pipeline 31, T-shaped pipeline includes the 3rd air inlet
311st, the second gas outlet 312 and the 3rd gas outlet 310.3rd air inlet 311 of T-shaped pipeline is used to access the second concentration oxygen.
It should be appreciated that the T-shaped pipeline 31 in the present embodiment is arranged on the second oxygen supply pipeline 30, the second gas outlet 312 and culture
The oxygen air inlet connection of case 100, the 3rd gas outlet 310 is connected with the second air inlet 52 of switch valve 50.When needs are carried out
During the oxygen detection of 100% concentration, the first air inlet 51 of switch valve is closed, opens the second air inlet 52 of switch valve,
3rd air inlet 311 of the T-shaped pipelines 31 of oxygen Jing, the 3rd gas outlet 310 into switch valve the second air inlet 52, first go out
Gas port 53, by detecting that the inflation inlet 72 of casing 70 enters detection casing 70, the detection oxygen concentration of oxygen sensor 20, output inspection
The oxygen density value for measuring.In the present embodiment, by arranging T-shaped pipeline on the second oxygen supply pipeline, oxygen sensor can be made
Monitoring device shares a gas circuit and oxygen with incubator, so as to economize on resources.
In actual applications, most incubator uses oxygen cylinder, and relative to oxygen pump, the bottleneck of oxygen cylinder is larger,
Please continue to refer to Fig. 2, oxygen sensor monitoring device in this case also includes that filter 33, pressure-reducing valve 34, first cut
Change the switching switch 35 of switch 32 and second.In a specific embodiment, the first switching switch 32 and the second switching are switched
35 is magnetic valve.The input of filter 33 is used to access the second concentration oxygen, is connected with oxygen cylinder bottleneck in the present embodiment, mistake
The output end of filter 33 is connected with the input of pressure-reducing valve 34, and the output end of pressure-reducing valve 34 switchs 35 input with the second switching
Connection, the output end of the second switching switch 35 is connected with the 3rd air inlet 311 of T-shaped pipeline.One end of first switching switch 32
It is connected with the second gas outlet 312 of T-shaped pipeline 31, the other end and the oxygen air inlet of incubator of the first switching switch 32 connect
Connect.Second switching switch 35 can be used to control opening or closing for the second oxygen supply pipeline.When the oxygen for needing to use 21% concentration
Detected and during without using incubator, closed the second switching switch 35.When needing to be examined using the oxygen of 100% concentration
Survey and during without using incubator, open switching switch 35, close the first switching switch 32, close the first air inlet of switch valve
Mouth 51, opens the second air inlet 52 of switch valve, the 3rd air inlet 311, the 3rd gas outlet 310 of the T-shaped pipelines 31 of oxygen Jing
The second air inlet 52, the first gas outlet 53 into switch valve, by detecting that the inflation inlet 72 of casing 70 enters detection casing
70, the detection oxygen concentration of oxygen sensor 20 exports the oxygen density value for detecting.First switching switch 32 can be used for control is
It is no to be input into oxygen to incubator.When oxygen need not be input into incubator 100, the first switching switch 32 is closed.
In another kind of embodiment, as shown in figure 3, also including controller 90 and man-machine interaction unit 20, the He of controller 90
Man-machine interaction unit 20 connects, and controller 90 also switchs 32 and second and switches switch 35 with the switching of switch valve 50, first respectively
Connection.The mode of operation that controller is selected according to user by man-machine interaction unit, the control switching switch of switch valve 50, first
32 and second switch the opening and closing of switch 35, and then realize that the first air supply channel or the second air supply channel access oxygen transmission
The detection of oxygen sensor is carried out to detection case body.Man-machine interaction unit 20 in the present embodiment can be to be arranged on detection case
The button of body, or the input equipment being connected with control, including touch-screen input device, mouse or keyboard etc..In other realities
In applying mode, controller can be connected with the controlled valve with oxygen cylinder, realize controlling the switch valve of oxygen cylinder by controller
Door be turned on and off.
In yet another embodiment, the alarm 40 being connected with controller is also included, alarm 40 is audible-visual annunciator.Oxygen
Gas sensor is connected with controller, and the detected value of oxygen sensor is obtained in real time.In controller according to two concentration knowns
Oxygen obtains the output valve of oxygen sensor, and after judging oxygen sensor exception, control alarm sends warning, to notify correlation
Staff changes in time oxygen sensor.
Oxygen sensor monitoring device in the present embodiment, by using controller and alarm, realizing to oxygen
The automatic detection of sensor, and alarm and reminding is sent after exception is detected, simplify detection process.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, some deformations and improvement can also be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (9)
1. a kind of oxygen sensor monitoring device, it is characterised in that include：Switch valve and detection casing；
The switch valve has the first air inlet, the second air inlet and the first gas outlet, and first air inlet is used to access
First concentration oxygen, second air inlet is used to access the second concentration oxygen, first gas outlet and the detection casing
Connection；
The detection casing includes box-like body, inflation inlet and air bleed outlets, the inflation inlet and the first of the switch valve
Gas outlet connects；The box-like body is used to place oxygen sensor.
2. oxygen sensor monitoring device according to claim 1, it is characterised in that described T-shaped also including T-shaped pipeline
Pipeline includes the 3rd air inlet, the second gas outlet and the 3rd gas outlet；3rd air inlet of the T-shaped pipeline is used to access second
Concentration oxygen；Second gas outlet is connected with the oxygen air inlet of incubator；3rd gas outlet and the switch valve
The second air inlet connection.
3. oxygen sensor monitoring device according to claim 2, it is characterised in that also including filter, pressure-reducing valve,
One switching switch and the second switching switch；The input of the filter is used to access the second concentration oxygen, the filter
Output end is connected with the input of the pressure-reducing valve, and the output end of the pressure-reducing valve connects with the input of the described second switching switch
Connect, the output end of the second switching switch is connected with the 3rd air inlet of the T-shaped pipeline；The one of the first switching switch
End is connected with second gas outlet of the T-shaped pipeline, and the other end of the first switching switch enters with the oxygen of incubator
Gas port connects.
4. oxygen sensor monitoring device according to claim 3, it is characterised in that also including controller and with it is described
The man-machine interaction unit of controller connection, the controller and the switch valve, the first switching switch and second switching
Switch connection.
5. oxygen sensor monitoring device according to claim 4, it is characterised in that also include being connected with the controller
Alarm, the oxygen sensor be used for be connected with the controller.
6. oxygen sensor monitoring device according to claim 1, it is characterised in that the switch valve is triple valve.
7. oxygen sensor monitoring device according to claim 3, it is characterised in that the first switching switch and described
Second switching switch is magnetic valve.
8. oxygen sensor monitoring device according to claim 5, it is characterised in that the alarm is sound and light alarm
Device.
9. oxygen sensor monitoring device according to claim 1, it is characterised in that the air bleed outlets are to be arranged on
State the through hole of box-like body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208575.3U CN206177868U (en) | 2016-11-09 | 2016-11-09 | Oxygen sensors monitor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621208575.3U CN206177868U (en) | 2016-11-09 | 2016-11-09 | Oxygen sensors monitor device |
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| Publication Number | Publication Date |
|---|---|
| CN206177868U true CN206177868U (en) | 2017-05-17 |
Family
ID=58684026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621208575.3U Active CN206177868U (en) | 2016-11-09 | 2016-11-09 | Oxygen sensors monitor device |
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| Country | Link |
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| CN (1) | CN206177868U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817076A (en) * | 2017-11-22 | 2018-03-20 | 王威 | A kind of portable oxygen feed channel gas leakage detection, calibrating installation and method |
| CN107941860A (en) * | 2017-11-10 | 2018-04-20 | 中国人民解放军陆军防化学院 | Gas generating unit, air distributing device and gas-detecting device |
| CN108829147A (en) * | 2018-09-10 | 2018-11-16 | 深圳市宇墨科技有限公司 | Mine exhaust management method and system based on Internet of Things |
| CN110794108A (en) * | 2019-11-18 | 2020-02-14 | 天健创新（北京）监测仪表股份有限公司 | Automatic detection method and device for state of liquid monitoring sensor |
-
2016
- 2016-11-09 CN CN201621208575.3U patent/CN206177868U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107941860A (en) * | 2017-11-10 | 2018-04-20 | 中国人民解放军陆军防化学院 | Gas generating unit, air distributing device and gas-detecting device |
| CN107817076A (en) * | 2017-11-22 | 2018-03-20 | 王威 | A kind of portable oxygen feed channel gas leakage detection, calibrating installation and method |
| CN108829147A (en) * | 2018-09-10 | 2018-11-16 | 深圳市宇墨科技有限公司 | Mine exhaust management method and system based on Internet of Things |
| CN110794108A (en) * | 2019-11-18 | 2020-02-14 | 天健创新（北京）监测仪表股份有限公司 | Automatic detection method and device for state of liquid monitoring sensor |
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