CN221506839U - Magnetic pressure oxygen gas detection device - Google Patents
Magnetic pressure oxygen gas detection device Download PDFInfo
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- CN221506839U CN221506839U CN202322378786.8U CN202322378786U CN221506839U CN 221506839 U CN221506839 U CN 221506839U CN 202322378786 U CN202322378786 U CN 202322378786U CN 221506839 U CN221506839 U CN 221506839U
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- Prior art keywords
- regulating valve
- gas
- detection
- pipeline
- gas outlet
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- 238000001514 detection method Methods 0.000 title claims abstract description 80
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title abstract description 7
- 229910001882 dioxygen Inorganic materials 0.000 title abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 157
- 230000001105 regulatory effect Effects 0.000 claims abstract description 43
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The application relates to a magnetic pressure oxygen gas detection device, comprising: the micro-flow detection element is connected with the output end of the first regulating valve and the output end of the second regulating valve respectively, the detected gas pipeline is a four-way pipe and comprises a detected gas inlet, a detected gas outlet, a first gas outlet and a second gas outlet, and the magnet is arranged on two sides of the first gas outlet. When the first regulating valve and the second regulating valve are regulated to balance the micro-flow detecting element, oxygen in the detected gas is magnetized and gathered at the detecting port of the pressure difference tube by the magnetic field formed by the magnet to form pressure difference, and the micro-flow detecting element embedded in the detecting channel generates air flow and outputs different types according to different air flows.
Description
Technical Field
The application relates to the technical field of gas inspection, in particular to a magnetic pressure oxygen gas detection device.
Background
When the gas is inspected, the conventional gas inspection device directly fills the gas to be inspected into the gas inspection device, but when the gas to be inspected is corrosive, the inspection element of the gas inspection device is damaged.
Disclosure of utility model
In view of the above, the present application provides a magnetic pressure oxygen gas detection device, which can measure gas in a contactless manner.
According to an aspect of the present application, there is provided a magnetic oxygen pressure gas detection apparatus including: the device comprises a reference gas pipeline, a first regulating valve, a second regulating valve, a micro-flow detection element, a detected gas pipeline and a magnet;
The reference gas pipeline is a three-way pipe and comprises a reference gas inlet, a first reference gas outlet and a second reference gas outlet;
the input end of the first regulating valve is connected with the first reference gas outlet;
the input end of the second regulating valve is connected with the second reference gas outlet;
The micro-flow detection element is respectively connected with the output end of the first regulating valve and the output end of the second regulating valve;
the tested gas pipeline is a four-way pipe and comprises a tested gas inlet, a tested gas outlet, a first gas outlet and a second gas outlet;
The magnets are arranged on two sides of the first air outlet.
In one possible implementation, the method further includes: a detection channel;
the two ends of the detection channel are respectively connected with the output end of the first regulating valve and the output end of the second regulating valve;
the microfluidic detection element is embedded in the detection channel.
In one possible implementation, the method further includes: a differential pressure conduit;
one end of the differential pressure pipeline is a detection port, and the other end of the differential pressure pipeline is connected with a port;
the connecting port is connected with the output end of the first regulating valve;
The detection port is connected with the first air outlet.
In one possible implementation, the magnet includes: an S-pole magnet and an N-pole magnet;
The S pole magnet and the N pole magnet are symmetrically arranged on two sides of the detection port respectively.
In one possible implementation, the cross-sectional diameter of the detection port is greater than the cross-sectional diameter of the connection port.
In one possible implementation, the method further includes: a connecting pipe;
One end of the connecting pipeline is connected with the output end of the second regulating valve, and the other end of the connecting pipeline is connected with the second air outlet.
In one possible implementation manner, the second reference gas outlet, the connecting pipeline and the second gas outlet are sequentially connected and communicated;
The first reference gas outlet, the differential pressure pipeline and the first gas outlet are sequentially connected and communicated.
In one possible implementation, the method further includes: a device housing;
The reference gas pipeline, the first regulating valve, the second regulating valve, the micro-flow detection element, the detected gas pipeline, the magnet, the detection channel, the pressure difference pipeline and the connecting pipeline are embedded in the device shell.
In one possible implementation, the reference gas inlet communicates with the exterior of the device housing;
the detected gas inlet is communicated with the outside of the device shell;
the tested gas outlet is communicated with the outside of the device shell.
In one possible implementation, one end of the detection channel is connected between the connection channel and the second reference gas outlet of the reference gas channel, and the other end is connected between the differential pressure channel and the first reference gas outlet of the reference gas channel.
The magnetic oxygen pressure gas detection device provided by the embodiment of the application has the beneficial effects that: the reference gas enters the reference gas pipeline through the reference gas inlet, then enters the first regulating valve through the first reference gas outlet of the reference gas pipeline, enters the second regulating valve through the second reference gas outlet, finally is discharged through the tested gas outlet of the tested gas pipeline, when no gas is introduced into the tested gas inlet of the tested gas pipeline, the gas circuit is kept balanced, no gas flows at the micro-flow detection element, when the detected gas is introduced from the detected gas inlet of the detected gas pipeline, oxygen in the detected gas is magnetized and gathered at the detection port of the differential pressure pipe by the magnetic field formed by the two magnets, pressure difference is formed at two ends of the detection channel of the detection pipeline, and then the micro-flow detection element embedded in the detection channel of the detection pipeline generates air flow, so that different models can be output according to micro-flow elements of different air flows. Therefore, the micro-flow detection element can detect the detected gas without directly contacting the detected gas, and can be used for measuring special working conditions such as corrosive gas.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic diagram showing a main structure of a magnetic oxygen pressure gas detection device according to an embodiment of the present application;
fig. 2 is a schematic diagram of a magnetic oxygen pressure gas detection device according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the application will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
It should be understood, however, that the terms "center," "longitudinal," "transverse," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like indicate or are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the utility model or simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following description in order to provide a better illustration of the application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, well known methods, procedures, components, and circuits have not been described in detail so as not to obscure the present application.
Fig. 1 shows a schematic view of a main body structure according to an embodiment of the present application. As shown in fig. 1, the magnetic pressure oxygen gas detection device according to the embodiment of the present application includes: the micro-flow detection element 400 is respectively connected with the output end of the first regulating valve 210 and the output end of the second regulating valve 220, the detected gas pipeline 700 is a four-way pipe and comprises a detected gas inlet, a detected gas outlet, a first gas outlet and a second gas outlet, and the magnet is arranged on two sides of the first gas outlet.
Therefore, the reference gas enters the reference gas pipe 100 through the reference gas inlet, then enters the first regulating valve 210 through the first reference gas outlet of the reference gas pipe, enters the second regulating valve 220, finally is discharged through the detected gas outlet of the detected gas pipe 700, when no gas is introduced into the detected gas inlet of the detected gas pipe 700, the gas path remains balanced, no gas flows in the micro-flow detecting element 400, when the detected gas is introduced into the detected gas inlet of the detected gas pipe 700, the oxygen in the detected gas is magnetized and concentrated at the detecting port of the differential pressure pipe by the magnetic field formed by the two magnets, a pressure difference is formed at two ends of the detecting channel of the detecting pipeline, and then the micro-flow detecting element 400 embedded in the detecting channel of the detecting pipeline generates gas flow, so that different models can be output according to different gas flow micro-flow elements. In this way, the micro-flow detection element 400 can detect the detected gas without directly contacting the detected gas, and can be used for measuring special working conditions such as corrosive gas.
The application uses oxygen molecule in the tested gas to change pressure under the action of magnetic field to make measurement. After the detected gas enters the magnetic field, the pressure of the gas changes under the action of the magnetic field, so that the gas has pressure difference between the inside of the magnetic field and the space without the magnetic field. In the same magnetic field, two gases with different magnetic susceptibility are introduced at the same time, so that the two gases have pressure difference, and the pressure difference has proportional relation with the difference of the magnetic susceptibility of the two gases. When the analyzer structure and the reference gas are determined, the parameters are all known values, and the concentration of oxygen in the measured gas has a linear relationship with the pressure difference, so that the oxygen content can be accurately measured. The measurement principle of the magnetic pressure type analyzer is based on that the volume fraction c1 of oxygen in the measured gas has a linear relation with the pressure difference deltap.
In a specific embodiment, the method further comprises: the detection channel 300, the detection channel 300 is a tubular structure, two ends of the detection channel 300 are respectively connected and communicated with the first regulating valve 210 and the second regulating valve 220, and a micro-flow detection element 400 is embedded in the detection channel 300 to obtain the air flow passing through the detection channel 300.
In a specific embodiment, the method further comprises: the differential pressure pipeline 500, one end of the differential pressure pipeline 500 is a detection port, the other end is a connection port, the connection port is connected with the output end of the first regulating valve 210, the detection port is connected with the first air outlet, and the reference gas entering the first regulating valve 210 can enter the tested air pipeline 700.
Further, in this embodiment, the cross-sectional diameter of the detection port of the differential pressure pipe 500 is larger than the cross-sectional diameter of the connection port, so that the magnet is conveniently mounted on the detection port of the differential pressure pipe 500.
Further, in this embodiment, the magnets include both S-pole magnets and N-pole magnets. Wherein, the S pole magnet and the N pole magnet are symmetrically arranged at two sides of the detection port respectively, and a magnetic field is added at the position of the detection port of the pressure difference pipeline 500 for magnetization.
In a specific embodiment, the method further comprises: and one end of the connecting pipe 600 is connected with the output end of the second regulating valve 220, and the other end is connected with the second air outlet, so that the reference gas entering the second regulating valve 220 can be transmitted into the reference gas pipe 100.
In this embodiment, the second reference gas outlet, the connection pipe 600 and the second gas outlet are sequentially connected and communicated, and the first reference gas outlet, the differential pressure pipe 500 and the first gas outlet are sequentially connected and communicated.
In a specific embodiment, the method further comprises: the device housing, the reference gas pipe 100, the first regulating valve 210, the second regulating valve 220, the micro-flow detecting element 400, the gas pipe 700 to be detected, the magnet, the detecting channel 300, the differential pressure pipe 500 and the connecting pipe are embedded in the device housing. Thus, the device for detecting the gas is integrated in the device shell, and the use space is greatly reduced.
The reference gas inlet is communicated with the outside of the device shell, so that the reference gas can be conveniently filled. The tested gas inlet is communicated with the outside of the device shell, and discharges the reference gas and the tested gas. The tested gas outlet is communicated with the outside of the device shell, so that the tested gas can be conveniently filled.
In summary, in the above embodiment, one end of the detection channel is connected between the connection channel 600 and the second reference gas outlet of the reference gas channel 100, and the other end is connected between the differential pressure channel 500 and the first reference gas outlet of the reference gas channel 100, and by adjusting the first adjusting valve 210 and the second adjusting valve 220, the air flow balance is ensured in the detection channel of the detection channel, and no air flow passes through the detection channel of the detection channel. When the detected gas enters the detected gas pipeline 700, the detected gas is magnetized and gathered at the position of the detection port by a magnetic field formed by two magnets arranged on the detection port, so that the reference gas enters the detection channel of the detection pipeline, pressure difference is formed at two ends of the detection channel of the detection pipeline, the air flow in the detection channel of the detection pipeline is detected, and the micro-flow detection element 400 embedded in the detection channel of the detection pipeline can obtain different models according to different air flows.
The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. A magnetic oxygen pressure detection device, comprising: the device comprises a reference gas pipeline, a first regulating valve, a second regulating valve, a micro-flow detection element, a detected gas pipeline and a magnet;
The reference gas pipeline is a three-way pipe and comprises a reference gas inlet, a first reference gas outlet and a second reference gas outlet;
the input end of the first regulating valve is connected with the first reference gas outlet;
the input end of the second regulating valve is connected with the second reference gas outlet;
The micro-flow detection element is respectively connected with the output end of the first regulating valve and the output end of the second regulating valve;
the tested gas pipeline is a four-way pipe and comprises a tested gas inlet, a tested gas outlet, a first gas outlet and a second gas outlet;
The magnets are arranged on two sides of the first air outlet.
2. The magnetic oxygen pressure gas detection apparatus according to claim 1, further comprising: a detection channel;
the two ends of the detection channel are respectively connected with the output end of the first regulating valve and the output end of the second regulating valve;
the microfluidic detection element is embedded in the detection channel.
3. The apparatus for detecting oxygen under magnetic pressure according to claim 2, further comprising: a differential pressure conduit;
one end of the differential pressure pipeline is a detection port, and the other end of the differential pressure pipeline is connected with a port;
the connecting port is connected with the output end of the first regulating valve;
The detection port is connected with the first air outlet.
4. The apparatus according to claim 3, wherein the magnet comprises: an S-pole magnet and an N-pole magnet;
The S pole magnet and the N pole magnet are symmetrically arranged on two sides of the detection port respectively.
5. The apparatus according to claim 4, wherein a cross-sectional diameter of the detection port is larger than a cross-sectional diameter of the connection port.
6. The magnetic oxygen pressure gas detection apparatus according to claim 3, further comprising: a connecting pipe;
One end of the connecting pipeline is connected with the output end of the second regulating valve, and the other end of the connecting pipeline is connected with the second air outlet.
7. The magnetic oxygen pressure gas detection device of claim 6, wherein the second reference gas outlet, the connecting pipe, and the second gas outlet are connected and communicated in sequence;
The first reference gas outlet, the differential pressure pipeline and the first gas outlet are sequentially connected and communicated.
8. The apparatus for detecting oxygen under magnetic pressure according to claim 7, further comprising: a device housing;
The reference gas pipeline, the first regulating valve, the second regulating valve, the micro-flow detection element, the detected gas pipeline, the magnet, the detection channel, the pressure difference pipeline and the connecting pipeline are embedded in the device shell.
9. The magnetic oxygen pressure gas detection device of claim 8, wherein the reference gas inlet is in communication with an exterior of the device housing;
the detected gas inlet is communicated with the outside of the device shell;
the tested gas outlet is communicated with the outside of the device shell.
10. The apparatus according to claim 8, wherein one end of the detection channel is connected between the connection pipe and the second reference gas outlet of the reference gas pipe, and the other end is connected between the pressure difference pipe and the first reference gas outlet of the reference gas pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378786.8U CN221506839U (en) | 2023-09-01 | 2023-09-01 | Magnetic pressure oxygen gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378786.8U CN221506839U (en) | 2023-09-01 | 2023-09-01 | Magnetic pressure oxygen gas detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221506839U true CN221506839U (en) | 2024-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322378786.8U Active CN221506839U (en) | 2023-09-01 | 2023-09-01 | Magnetic pressure oxygen gas detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221506839U (en) |
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2023
- 2023-09-01 CN CN202322378786.8U patent/CN221506839U/en active Active
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