CN207662793U - A kind of H2S gas ultraviolet spectra detection devices - Google Patents
A kind of H2S gas ultraviolet spectra detection devices Download PDFInfo
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- CN207662793U CN207662793U CN201820067605.6U CN201820067605U CN207662793U CN 207662793 U CN207662793 U CN 207662793U CN 201820067605 U CN201820067605 U CN 201820067605U CN 207662793 U CN207662793 U CN 207662793U
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Abstract
The utility model discloses a kind of H2S gas ultraviolet spectra detection devices, described device include ultraviolet source, fiber optic collimator system, long light path gas absorption cell, fiber optic focusing system, UV fiber spectrometer and computer；Ultraviolet source is used for emitting ultraviolet light；Fiber optic collimator system after being collimated the ultraviolet light for being incident on long light path gas absorption cell；Optical fiber is focused on by fiber optic focusing system after the ultraviolet light progress multiple reflections that long light path gas absorption cell is used to come in, and UV fiber spectrometer is transferred to by optical fiber；Computer carries out calculation processing and storage for receiving spectroscopic data.The device is by ultraviolet difference absorption spectrum detection technique combination long light path gas absorption cell to the H during oil exploration, electric power monitoring or environmental monitoring2S carries out real-time online detection, which has the characteristics that high certainty of measurement, stability are good, simple in structure, integrated level is high and at low cost；Construction safety can be promoted to carry out, and then improve exploration and development benefit.
Description
Technical field
The utility model belongs to gas detection technology field, and in particular to a kind of H2S gas ultraviolet spectra detection devices.
Background technology
In fields such as petrochemical industry, environmental protection and electric power monitorings, H2S gases belong to toxic and harmful gas, sometimes can be to applying
The personal and property safety at work scene brings great security risk.If these gases quickly can be detected timely and accurately,
It can take safety measures for scene and guidance is provided, effectively eliminate security risk, while gas can also be avoided to cause environment dirty
Dye, affects to environmental quality.
The method of traditional gas detection generally use electrochemistry, that there is service lifes is short for the detection method, detection gas
Body type is not comprehensive enough, application cost is higher, underintegration, accuracy of detection are relatively low, is easily influenced by site environment factor
Disadvantage, and have cross jamming between certain gases, bring certain difficulty to application and correction.
Utility model content
For the above-mentioned problems in the prior art, the utility model provides a kind of H2S gas ultraviolet spectras detect
Device, the device utilize H2S gases have good optical absorption characteristic in ultraviolet optics wave band, by ultraviolet difference absorption spectrum
Detection technique combination long light path gas absorption cell is to the H in exploration or monitoring process2S carries out real-time online detection, the detection
Method has the characteristics that high certainty of measurement, stability are good, simple in structure, integrated level is high and at low cost；Engineering staff passes through to H2S
The concentration and content analysis of gas etc., can promote construction safety to carry out, and then improve exploration and development benefit.
For this purpose, the utility model uses following technical scheme：
A kind of H2S gas ultraviolet spectra detection devices, including ultraviolet source, fiber optic collimator system, long light path gas absorb
Pond, fiber optic focusing system, UV fiber spectrometer and computer；The ultraviolet source is located at fiber optic collimator system side, is used for
Emitting ultraviolet light；The fiber optic collimator system is located at long light path gas absorption cell side, for collimating the ultraviolet light
After be incident on long light path gas absorption cell light inlet；The long light path gas absorption cell is used to fill gas to be detected, and will be incident
The ultraviolet light come in reflects away after multiple reflections and focuses on optical fiber by fiber optic focusing system；The UV fiber light
Spectrometer is located at the side of the long light path gas absorption cell, and the light of optical fiber is focused on for reception optical fiber focusing system；The meter
Calculation machine is used to receive the spectroscopic data of the UV fiber spectrometer, and carries out calculation processing and storage.
Further, the long light path gas absorption cell is a cuboid, in cuboid close to the one of fiber optic collimator system
Side is provided with two transparent apertures up and down, and upper transparent hole is used to transmit the ultraviolet light after optical fiber colimated light system collimation, and lower part is saturating
Bright hole is used for the ultraviolet light after Transflective；Cuboid is internally provided with speculum, and one is equipped with close to fiber optic focusing system side
A larger speculum, the other side are set there are two smaller speculum, and multiple reflections are carried out for that will transmit the ultraviolet light come in.
Further, the long light path gas absorption cell includes air intake and gas outlet, and the air intake passes through gas-guide tube
Gas to be detected is imported, the gas outlet is for exporting gas.
It is absorbed as a preferred embodiment, ultraviolet light is entered to inject the long light path gas by the fiber optic collimator system by optical fiber
Pond；The UV fiber spectrometer receives the ultraviolet spectra reflected by optical fiber.
Further, the ultraviolet source and UV fiber spectrometer are connected to power supply, the UV fiber spectrometer and institute
Computer is stated to be attached by USB.
Further, the computer is connected with touch screen displays, the touch screen displays for check detection data and
Whole system parameter is set.
Compared with prior art, the utility model has the beneficial effects that：
It (1) can be to the H in exploration or monitoring process2S carries out real-time online detection, and not by other detection gas
Interference, selectivity are strong.
(2) accuracy of detection is high, and detectable concentration value lower limit is low.
(3) stability is good, simple in structure, and integrated level is high, at low cost.
(4) construction safety can be promoted to carry out, improves exploration and development benefit.
Description of the drawings
Fig. 1 is a kind of H provided by the utility model2The composite structural diagram of S gas ultraviolet spectra detection devices.
Reference sign：1, ultraviolet source；2, fiber optic collimator system；3, long light path gas absorption cell；3-1, air intake；
3-2, gas outlet；3-3, speculum；4, fiber optic focusing system；5, UV fiber spectrometer；6, computer；7, power supply；8, optical fiber；
9, touch screen displays.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described in detail the utility model, specific embodiment therein and says
It is bright to be only used for explaining the utility model, but be not intended to limit the scope of the present invention.
As shown in Figure 1, the utility model discloses a kind of H2S gas ultraviolet spectra detection devices, including ultraviolet source 1,
Fiber optic collimator system 2, long light path gas absorption cell 3, fiber optic focusing system 4, UV fiber spectrometer 5 and computer 6；The purple
Outer light source 1 is located at 2 side of fiber optic collimator system, is used for emitting ultraviolet light；The fiber optic collimator system 2 is located at the suction of long light path gas
3 side of receives pond, for being incident on 3 light inlet of long light path gas absorption cell after being collimated the ultraviolet light；The long light path
Gas absorption cell 3 for filling gas to be detected, and will enter the ultraviolet light come in reflected away after multiple reflections and by
Fiber optic focusing system 4 focuses on optical fiber；The UV fiber spectrometer 5 is located at the side of the long light path gas absorption cell 3, uses
The light of optical fiber is focused in reception optical fiber focusing system 4；The computer 6 is used to receive the light of the UV fiber spectrometer 5
Modal data, and carry out calculation processing and storage.
Specifically, the long light path gas absorption cell 3 is a cuboid, in cuboid close to fiber optic collimator system 2
Side is provided with two transparent apertures up and down, and upper transparent hole is used to transmit the ultraviolet light after optical fiber colimated light system 2 collimates, lower part
Transparent apertures are used for the ultraviolet light after Transflective；Cuboid is internally provided with speculum, is equipped with close to 4 side of fiber optic focusing system
One larger speculum, the other side is set there are two smaller speculum, repeatedly anti-for that will transmit the ultraviolet light come in progress
It penetrates.
The long light path gas absorption cell 3 includes air intake 3-1 and gas outlet 3-2, and the air intake 3-1 passes through gas-guide tube
Gas to be detected is imported, the gas outlet 3-2 is for exporting gas.
Ultraviolet light is entered to inject the long light path gas absorption cell 3 by the fiber optic collimator system 2 by optical fiber 8；The purple
Infrared optical fiber spectrometer 5 receives the ultraviolet spectra reflected by optical fiber 8.
The ultraviolet source 1 and UV fiber spectrometer 5 are connected to power supply 7, the UV fiber spectrometer 5 and the calculating
Machine 6 is attached by USB.
The computer 6 is connected with touch screen displays 9, and the touch screen displays 9 are for checking detection data and being arranged whole
A systematic parameter.
Embodiment
A kind of H2S gas ultraviolet spectra detection methods, include the following steps：
Step 1, the long light path gas absorption cell 3 suck gas to be detected, wait to be detected；
Step 2, the ultraviolet source 1 generate ultraviolet light, and the ultraviolet light is incident after being collimated by fiber optic collimator system 2
Into the long light path gas absorption cell 3；
Step 3, optical system of the ultraviolet light through 3 the inside of long light path gas absorption cell reflect, the ultraviolet light after reflection
Spectrum is received by the UV fiber spectrometer 5；
Step 4, the UV fiber spectrometer 5 send the ultraviolet spectra received to computer 6 and are handled and deposited
Store up accordingly result.
The computer 6 acquires the spectroscopic data and manipulation spectrometer of UV fiber spectrometer 5 by usb bus.
The computer 6 calculates the H in the long light path gas absorption cell 3 by the built-in mathematical model of software2S gases
Concentration.
The computer 6 automatically saves all gathered datas in case inquiry；User checks data by touch screen displays 9
With setting whole system parameter.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification, equivalent replacement and improvement etc., should be included in this reality made by within the spirit and spirit of utility model
Within novel protection domain.
Claims (6)
1. a kind of H2S gas ultraviolet spectra detection devices, including ultraviolet source, fiber optic collimator system, long light path gas absorption cell,
Fiber optic focusing system, UV fiber spectrometer and computer, it is characterised in that：The ultraviolet source is located at fiber optic collimator system one
Side is used for emitting ultraviolet light；The fiber optic collimator system is located at long light path gas absorption cell side, for by the ultraviolet light into
It is incident on long light path gas absorption cell light inlet after row collimation；The long light path gas absorption cell is used to fill gas to be detected, and
The ultraviolet light come in will be entered to reflect away after multiple reflections and focus on optical fiber by fiber optic focusing system；It is described ultraviolet
Fiber spectrometer is located at the side of the long light path gas absorption cell, and the light of optical fiber is focused on for reception optical fiber focusing system；
The computer is used to receive the spectroscopic data of the UV fiber spectrometer, and carries out calculation processing and storage.
2. a kind of H according to claim 12S gas ultraviolet spectra detection devices, it is characterised in that：The long light path gas
Absorption cell is a cuboid, and two transparent apertures up and down, upper transparent hole are provided with close to the side of fiber optic collimator system in cuboid
For transmiting the ultraviolet light after optical fiber colimated light system collimates, lower transparent hole is used for the ultraviolet light after Transflective；It is rectangular
Body is internally provided with speculum, is set there are one larger speculum close to fiber optic focusing system side, the other side set there are two compared with
Small speculum carries out multiple reflections for that will transmit the ultraviolet light come in.
3. a kind of H according to claim 22S gas ultraviolet spectra detection devices, it is characterised in that：The long light path gas
Absorption cell includes air intake and gas outlet, and the air intake is imported gas to be detected by gas-guide tube, and the gas outlet is used for
Gas is exported.
4. a kind of H according to any one of claims 1 to 32S gas ultraviolet spectra detection devices, it is characterised in that：It is described
Ultraviolet light is entered to inject the long light path gas absorption cell by fiber optic collimator system by optical fiber；The UV fiber spectrometer passes through
Optical fiber receives the ultraviolet spectra reflected.
5. a kind of H according to claim 42S gas ultraviolet spectra detection devices, it is characterised in that：The ultraviolet source and
UV fiber spectrometer is connected to power supply, and the UV fiber spectrometer is attached with the computer by USB.
6. a kind of H according to claim 52S gas ultraviolet spectra detection devices, it is characterised in that：The computer connection
There are touch screen displays, the touch screen displays are for checking detection data and setting whole system parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067605.6U CN207662793U (en) | 2018-01-16 | 2018-01-16 | A kind of H2S gas ultraviolet spectra detection devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820067605.6U CN207662793U (en) | 2018-01-16 | 2018-01-16 | A kind of H2S gas ultraviolet spectra detection devices |
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| CN207662793U true CN207662793U (en) | 2018-07-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051388A (en) * | 2018-01-16 | 2018-05-18 | 武汉敢为科技有限公司 | A kind of H2S gas ultraviolet spectra detection devices and its method |
| CN108709867A (en) * | 2018-08-07 | 2018-10-26 | 杭州春来科技有限公司 | A kind of double spectrum detection devices |
| CN108956514A (en) * | 2018-08-14 | 2018-12-07 | 武汉敢为科技有限公司 | A kind of portable long light path ammonia ultraviolet spectra detection method of high temperature |
| CN112461772A (en) * | 2020-11-17 | 2021-03-09 | 武汉大学 | C5F10Method for optically detecting concentration of O-mixed gas |
| CN114216856A (en) * | 2021-12-16 | 2022-03-22 | 安徽庆宇光电科技有限公司 | Sample cell for receiving optical signal and device thereof |
-
2018
- 2018-01-16 CN CN201820067605.6U patent/CN207662793U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051388A (en) * | 2018-01-16 | 2018-05-18 | 武汉敢为科技有限公司 | A kind of H2S gas ultraviolet spectra detection devices and its method |
| CN108709867A (en) * | 2018-08-07 | 2018-10-26 | 杭州春来科技有限公司 | A kind of double spectrum detection devices |
| CN108956514A (en) * | 2018-08-14 | 2018-12-07 | 武汉敢为科技有限公司 | A kind of portable long light path ammonia ultraviolet spectra detection method of high temperature |
| CN112461772A (en) * | 2020-11-17 | 2021-03-09 | 武汉大学 | C5F10Method for optically detecting concentration of O-mixed gas |
| CN114216856A (en) * | 2021-12-16 | 2022-03-22 | 安徽庆宇光电科技有限公司 | Sample cell for receiving optical signal and device thereof |
| CN114216856B (en) * | 2021-12-16 | 2023-06-02 | 安徽庆宇光电科技有限公司 | Sample cell for receiving optical signal and device thereof |
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