CN220542781U - Portable oxygen analyzer - Google Patents
Portable oxygen analyzer Download PDFInfo
- Publication number
- CN220542781U CN220542781U CN202322144843.6U CN202322144843U CN220542781U CN 220542781 U CN220542781 U CN 220542781U CN 202322144843 U CN202322144843 U CN 202322144843U CN 220542781 U CN220542781 U CN 220542781U
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- CN
- China
- Prior art keywords
- air inlet
- oxygen analyzer
- inlet channel
- portable oxygen
- intake pipe
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000001301 oxygen Substances 0.000 title claims abstract description 53
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 53
- 239000000565 sealant Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 15
- 238000007405 data analysis Methods 0.000 claims description 10
- 239000004065 semiconductor Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002004 direct laser absorption spectroscopy Methods 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000004847 absorption spectroscopy Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to the technical field of oxygen analyzers, and particularly discloses a portable oxygen analyzer which comprises an oxygen analyzer body, wherein an air inlet channel is formed in the oxygen analyzer body, a first air inlet pipe is connected to the air inlet channel, a negative pressure fan is arranged at the joint of the first air inlet pipe and the air inlet channel, a second air inlet pipe is connected to the outer side of the first air inlet pipe in a sliding mode, an end cover is detachably connected to the end portion of the second air inlet pipe, a plurality of air inlet channels are formed in the periphery of the second air inlet pipe, and sealant is detachably connected to the air inlet channels.
Description
Technical Field
The application relates to the technical field of oxygen analyzers, and particularly discloses a portable oxygen analyzer.
Background
The oxygen analyzer is an industrial online process analysis instrument, and is widely applied to the detection of the concentration of oxygen in mixed gas in occasions such as heating furnaces, chemical reaction containers, ground wells, industrial nitrogen production and the like, and is also widely applied to the dissolution of oxygen in water in boilers;
however, the length of the air inlet pipe carried on the existing oxygen analyzer is relatively long, so that the existing oxygen analyzer can touch the air inlet pipe when walking when being placed on the waist belt when not used, the service life of the air inlet pipe can be influenced, and meanwhile, the walking of staff is influenced;
at present, most portable oxygen analyzers can realize the length expansion function, so as to change the length of an air inlet pipe, realize portable wearing, however, some problems exist: the present air inlet pipe is natural air inlet, the air inlet efficiency is slow and most of the air inlet pipes are single air inlet, namely, only one single air inlet exists, under the basis of the slow air inlet efficiency, oxygen analysis is possibly slow, and the environment that the oxygen concentration is frequently changed is not suitable for the present air inlet pipe.
Disclosure of Invention
The utility model aims to solve the problem of low air inlet efficiency of the traditional oxygen analyzer.
In order to achieve the above object, the present utility model provides the following basic scheme:
the utility model provides a portable oxygen analyzer, includes the oxygen analyzer body, the inside of oxygen analyzer body is equipped with the inlet channel, be connected with first intake pipe on the inlet channel, the junction of first intake pipe and inlet channel is equipped with negative pressure fan, the outside sliding connection of first intake pipe has the second intake pipe, the tip of second intake pipe can be dismantled and be connected with the end cover, it has a plurality of intake ducts to open all around of second intake pipe, all can dismantle on the intake duct and be connected with the sealant.
The principle and effect of this basic scheme lie in:
1. compared with the prior art, this device simple structure, think about ingenious, this device has designed first intake pipe and second intake pipe, and when not using again, the second intake pipe can all shrink to the oxygen analyzer body inside, has solved current oxygen analyzer because the intake pipe length that carries above it is longer, so when not using lay the analyzer on the waistband, will touch the intake pipe when walking, can not only influence the life-span of intake pipe like this, still cause the problem of influence to staff's walking simultaneously.
2. Compared with the prior art, the device not only can have a single air inlet structure, but also can have multiple air inlet structures, and the device is opened around the second air inlet pipe and is provided with a plurality of air inlets, when the detected gas changes frequently, the air inlets are opened in cooperation with the starting of the negative pressure fan, so that the air inlets are subjected to frequent air inlet and large amount of air inlet, the frequent detection is realized, the efficiency is improved, and the problem of low air inlet efficiency of the traditional oxygen analyzer is solved.
3. Compared with the prior art, in order to improve efficiency, compared with the traditional principle of natural air intake, the device is provided with the negative pressure fan at the joint of the first air inlet pipe and the air inlet channel, and the air intake efficiency is enhanced by utilizing the negative pressure fan, so that air rapidly and largely enters the air inlet channel, further the detection of the air is realized, and finally the problem of low air intake efficiency of the traditional oxygen analyzer is solved.
Further, the oxygen analyzer body adopts the laser gas analyzer, the laser gas analyzer includes air inlet channel, the laser emitter and the photoelectric sensor of air inlet channel intercommunication, the laser emitter is connected with semiconductor laser drive circuit, the photoelectric sensor is connected with data acquisition module, data acquisition module is connected with data analysis and control module, data analysis and control module are connected with semiconductor laser drive circuit.
Further, the oxygen analyzer body is provided with a buzzer and an LED display screen, and the buzzer and the LED display screen are electrically connected with the data analysis and control module.
Further, the outside rigid coupling of second intake pipe has the ejector pad, the oxygen analyzer body is located the ejector pad and opens flutedly in the outside of same position, the ejector pad slides in the recess.
Further, the sealant is in a strip shape, the containing groove is formed in the periphery of the second air inlet pipe, the air inlet channel is arranged at the bottom of the containing groove, one end of the sealant is fixedly connected to one side of the bottom of the containing groove, and the other end of the sealant is in contact with one side of the top of the containing groove.
Further, one end of the air inlet channel, which is far away from the first air inlet pipe, is provided with an air outlet channel.
Further, the aperture of the exhaust passage is smaller than the aperture of the intake passage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a portable oxygen analyzer according to an embodiment of the present application;
FIG. 2 illustrates a front cross-sectional view of a portable oxygen analyzer according to an embodiment of the present application;
fig. 3 shows an operational schematic diagram of a portable oxygen analyzer according to an embodiment of the present application.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the oxygen analyzer comprises an oxygen analyzer body 1, a buzzer 2, an LED display screen 3, a connecting hole 4, a first air inlet pipe 5, a groove 6, a second air inlet pipe 7, an end cover 8, sealant 9, an air inlet channel 10, a push block 11, a negative pressure fan 12, an air inlet channel 13, a laser emitter 14, a photoelectric sensor 15, a data acquisition module 16, a semiconductor laser driving circuit 17 and a data analysis and control module 18.
Examples are shown in fig. 1, 2 and 3:
the utility model provides a portable oxygen analyzer, includes oxygen analyzer body 1, and the inside of oxygen analyzer body 1 is equipped with inlet channel 13, specifically: the oxygen analyzer body 1 adopts the laser gas analyzer, and the laser gas analyzer includes air inlet channel 13, the laser emitter 14 and the photoelectric sensor 15 of air inlet channel 13 intercommunication, laser emitter 14 is connected with semiconductor laser drive circuit 17, and photoelectric sensor 15 is connected with data acquisition module 16, and data acquisition module 16 is connected with data analysis and control module 18, and data analysis and control module 18 are connected with semiconductor laser drive circuit 17, are equipped with bee calling organ 2 and LED display screen 3 on the oxygen analyzer body 1, and bee calling organ 2 and LED display screen 3 all are connected with data analysis and control module 18 electricity.
Regarding the principle: short for light absorption spectroscopy. DLAS technology is essentially a spectroscopic absorption technique that obtains the concentration of a gas by analyzing the selective absorption of laser light by the gas.
It differs from conventional infrared spectral absorption techniques in that the semiconductor laser spectral width is much smaller than the broadening of the gas absorption line. Therefore, DLAS technology is a high-resolution spectral absorption technology, and the light intensity attenuation of semiconductor laser passing through the gas to be measured can be obtained by using Lambert-Beer law expression, and the relation indicates that the higher the gas concentration is, the greater the light attenuation is. Thus, the concentration of the gas can be measured by measuring the attenuation of the laser by the gas.
The oxygen analyzer comprises an air inlet channel 13, a first air inlet pipe 5, a connecting hole 4, a negative pressure fan 12, a second air inlet pipe 7, an end cover 8, a plurality of air inlets 10, a sealing glue 9, a pushing block 11, a groove 6, a strip-shaped sealing glue 9, a containing groove 10, an end cover 8, a sealing glue 9 and a containing groove top, wherein the connecting hole 4 is formed in the air inlet channel 13, the connecting hole 4 is formed in the oxygen analyzer body 1, the first air inlet pipe 5 is installed in the connecting hole 4, the negative pressure fan 12 is arranged at the joint of the first air inlet pipe 5 and the air inlet channel 13, the second air inlet pipe 7 is slidably connected with the outer side of the first air inlet pipe 5, the end cover 8 is detachably connected with the end of the second air inlet pipe 7, the air inlet channel 10 is formed in the periphery of the second air inlet pipe 7, one end of the air inlet channel 13, which is far away from the first air inlet pipe 5, is provided with the air outlet channel, the caliber of the air outlet channel is smaller than that of the air inlet channel 13, the air inlet channel 10 is detachably connected with the sealing glue 9, the outer side of the pushing block 11 is fixedly connected with the pushing block 11, the oxygen analyzer body 1 is arranged on the outer side of the pushing block 11 in the same direction, the pushing block 6 is sliding in the groove 6, the sealing glue 9 slides in the groove 6, the sealing glue 9 is arranged on the periphery of the groove.
The specific implementation process comprises the following steps:
pushing the pushing block 11 to move upwards, enabling the second air inlet pipe 7 to move outwards, starting the negative pressure fan 12, opening the end cover 8, enabling air to enter the exhaust channel, realizing air detection, opening the sealant 9 when the air detection is needed, exposing the air inlet channel 10, and realizing the air inlet of the air inlet channel 10.
The device solves the problem of low air inlet efficiency of the traditional oxygen analyzer.
Claims (7)
1. A portable oxygen analyzer, characterized by: including the oxygen analyzer body, the inside of oxygen analyzer body is equipped with the inlet channel, be connected with first intake pipe on the inlet channel, the junction of first intake pipe and inlet channel is equipped with negative pressure fan, the outside sliding connection of first intake pipe has the second intake pipe, the tip of second intake pipe can be dismantled and be connected with the end cover, it has a plurality of intake ducts to open all around of second intake pipe, the equal detachable connection of intake duct has the sealant.
2. The portable oxygen analyzer of claim 1, wherein the oxygen analyzer body is a laser gas analyzer, the laser gas analyzer comprises an air inlet channel, a laser emitter and a photoelectric sensor, wherein the air inlet channel is communicated with the laser emitter, the laser emitter is connected with a semiconductor laser driving circuit, the photoelectric sensor is connected with a data acquisition module, the data acquisition module is connected with a data analysis and control module, and the data analysis and control module is connected with the semiconductor laser driving circuit.
3. The portable oxygen analyzer of claim 2, wherein the oxygen analyzer body is provided with a buzzer and an LED display screen, both of which are electrically connected with the data analysis and control module.
4. The portable oxygen analyzer of claim 1, wherein the outer side of the second air inlet pipe is fixedly connected with a push block, the outer side of the oxygen analyzer body, which is positioned in the same direction as the push block, is provided with a groove, and the push block slides in the groove.
5. The portable oxygen analyzer according to claim 1, wherein the sealant is strip-shaped, the second air inlet pipe is provided with a containing groove around, the air inlet pipe is arranged at the bottom of the containing groove, one end of the sealant is fixedly connected to one side of the bottom of the containing groove, and the other end of the sealant is contacted with one side of the top of the containing groove.
6. The portable oxygen analyzer of claim 1, wherein the air inlet channel opens at an end thereof remote from the first air inlet tube with an air outlet channel.
7. The portable oxygen analyzer of claim 6, wherein the aperture of the exhaust passage is smaller than the aperture of the intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144843.6U CN220542781U (en) | 2023-08-10 | 2023-08-10 | Portable oxygen analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144843.6U CN220542781U (en) | 2023-08-10 | 2023-08-10 | Portable oxygen analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542781U true CN220542781U (en) | 2024-02-27 |
Family
ID=89969813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322144843.6U Active CN220542781U (en) | 2023-08-10 | 2023-08-10 | Portable oxygen analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542781U (en) |
-
2023
- 2023-08-10 CN CN202322144843.6U patent/CN220542781U/en active Active
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