CN207908368U - A kind of water environment on-Line Monitor Device - Google Patents
A kind of water environment on-Line Monitor Device Download PDFInfo
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- CN207908368U CN207908368U CN201721632987.4U CN201721632987U CN207908368U CN 207908368 U CN207908368 U CN 207908368U CN 201721632987 U CN201721632987 U CN 201721632987U CN 207908368 U CN207908368 U CN 207908368U
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- optical fiber
- fiber circulator
- vacuum chamber
- water environment
- optical fibre
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Abstract
The utility model discloses a kind of water environment on-Line Monitor Devices, including excitation light source, optical fiber circulator and signal detection receiving device, the excitation light source is connected to by Transmission Fibers with optical fiber circulator, vacuum chamber is connected with by the first output optical fibre on rear side of the optical fiber circulator, Hollow-Core Photonic Crystal Fibers are equipped on rear side of the vacuum chamber, the signal detection receiving device is connected to by the second output optical fibre with optical fiber circulator, the utility model has the beneficial effects that：The utility model structure novel, the system are all optical fibre structure, simple light non-maintaining, are suitable for various application scenarios, and detection sensitivity is higher, while can also monitor a variety of data, are suitable for the detection that trace detection is also applied for high concentration.Including the detecting head of vacuum chamber and photonic crystal fiber can be placed in monitoring field, then transmitting a signal to interior by optical fiber is acquired and analyzes, thus can effectively be monitored on-line, and monitoring efficiency is high.
Description
Technical field
The utility model is related to monitoring water environment technical field, specifically a kind of water environment on-Line Monitor Device.
Background technology
Water is fundamental for the survival of mankind, and the safety of aquatic environment is to the survival and development of the entire mankind to closing weight
It wants.With modern society, industry, the fast development of economy, various industrial or agricultural contamination accidents are continuous, and water pollution problems causes entirely
Social extensive concern, and water quality monitoring can provide water quality information, be the important link of water environment protection and pollution control, therefore
Realize that the fast automatic on-line monitoring of water environment has very important significance.The conventional method of water quality monitoring has electrochemistry side
Method, gas chromatography, atomic absorption spectroscopy and spectrophotometry etc..
Electrochemical method is mainly the ingredient and content that test substance is measured using the electrochemical properties of substance, needs to treat
Sample is sampled analysis, and is easy to water environment generation secondary pollution using chemical method, thus is not particularly suited for water ring
The on-line monitoring in border；Gas chromatography is analyzed according to the physical characteristic of substance, and pollution will not be generated to water environment, but should
The pollutant kind that method can be analyzed is less, and complicated, is not suitable for the multi-parameter on-line monitoring of water environment；Atom
Absorption spectroanalysis method, by selecting suitable optical source wavelength, the characteristic absorption wavelength for measuring atom to determine pollutant kind, root
The concentration of pollutant is determined according to the degree of absorption of absorption spectrum, this method limitation is larger, needs to select according to different pollutants
Specific light source cannot achieve multi-parameter while monitor；Spectrophotometry is realized to the selective absorbing of light according to substance
The detection of pollutant is the most common method of current water quality monitoring, and the pollutant kind that can be measured is various, but works as pollutant
When concentration is higher, due to the overlapping of material absorbing spectral line, the measurement data to make mistake can be obtained.
Utility model content
The purpose of this utility model is to provide a kind of water environment on-Line Monitor Devices, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides the following technical solutions：
A kind of excitation light source, optical fiber circulator and signal detection receiving device, the excitation light source by Transmission Fibers with
Optical fiber circulator is connected to, and vacuum chamber, the vacuum chamber rear side are connected with by the first output optical fibre on rear side of the optical fiber circulator
Equipped with Hollow-Core Photonic Crystal Fibers, the signal detection receiving device is connected to by the second output optical fibre with optical fiber circulator.
As further program of the utility model：The excitation light source be laser structure, the laser include but
It is not limited to high power multiple-wavelength laser.
As further program of the utility model：The Transmission Fibers are connected to optical fiber circulator Single port, and described
One output optical fibre is connected to optical fiber circulator Two-port netwerk, and second output optical fibre is connected to three port of optical fiber circulator.
As further program of the utility model：The vacuum chamber side is equipped with valve, and the valve is connected by pipeline
It is connected to air pump.
As further program of the utility model：Include spectrum acquisition equipment in the signal detection collection system, visit
It surveys device and detection terminal, the spectrum acquisition equipment is connected to by the second Transmission Fibers with optical fiber circulator, the spectrum acquisition
Pass through network connection between equipment, detector and detection terminal.
Compared with prior art, the utility model has the beneficial effects that：The utility model uses Hollow-Core Photonic Crystal Fibers
As sample cell, the transmission medium using optical fiber as light, while using fibre ring devices as beam splitter, thus this is
System is all optical fibre structure, simple light non-maintaining, is suitable for various application scenarios, and detection sensitivity is higher, while can be with
A variety of data are monitored, the detection that trace detection is also applied for high concentration is suitable for.Include the spy of vacuum chamber and photonic crystal fiber
Gauge head can be placed in monitoring field, and then transmitting a signal to interior by optical fiber is acquired and analyzes, thus can be effective
It is monitored on-line, and monitoring efficiency is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1- excitation light sources, 2- optical fiber circulators, 3- vacuum chambers, 4- Hollow-Core Photonic Crystal Fibers, 5- spectrum acquisitions are set
Standby, 6- Transmission Fibers, the first output optical fibres of 7-, the second output optical fibres of 8-, 9- valves, 10- air pumps, 11- detectors, 12- monitorings
Terminal, 13- solution pools.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of water environment on-Line Monitor Device, including excitation light source 1, light
Fine circulator 2 and signal detection receiving device 14, excitation light source 1 are connected to by Transmission Fibers 6 with 1 port of optical fiber circulator 2,
Light source is set to pass through the 1 port input of optical fiber circulator 2,2 ports that vacuum chamber 3 passes through the first output optical fibre 7 and optical fiber circulator 2
Connection, 3 rear side of vacuum chamber are equipped with Hollow-Core Photonic Crystal Fibers 4, and the first output optical fibre 7 and Hollow-Core Photonic Crystal Fibers 4 pass through
Vacuum glue is fixed in vacuum chamber 3, while the first output optical fibre 7 and Hollow-Core Photonic Crystal Fibers 4 carry out fibre core in vacuum chamber 3
Coupling, and coupling efficiency is more than 90%, 3 side of vacuum chamber is equipped with valve 9, and valve 9 is connected with air pump 10, air pump 10 by pipeline
It is preferred that vacuum pump, spectrum acquisition equipment 5 is connected to by the second Transmission Fibers 8 with 3 ports of optical fiber circulator 2, and spectrum acquisition is set
Pass through network connection between standby 5, detector 11 and detection terminal 12.
When the utility model is used, Hollow-Core Photonic Crystal Fibers 4 are placed into solution pool 13 first so that hollow light
4 end of photonic crystal fiber is come into full contact with solution to be measured, while booster air pump 10, and vacuum chamber 3 is maintained by air pump 10
Interior vacuum environment, under the action of 4 pressure at two ends difference of Hollow-Core Photonic Crystal Fibers so that solution to be measured enters hollow photon
In crystal optical fibre 4, and then sample fiber pond is formed, then starts excitation light source 1, the light of certain frequency is sent out by exciter
Then light source is transferred to by Transmission Fibers 6 in optical fiber circulator 2 by source, then acted on by the unidirectional admittance of optical fiber circulator 2
Light source is transferred in the first output optical fibre 7, due to first output optical fibre 7 in vacuum chamber 3 and Hollow-Core Photonic Crystal Fibers 4 it
Between carry out fibre core coupling so that light source enters Hollow-Core Photonic Crystal Fibers 4, and then make to enter Hollow-Core Photonic Crystal Fibers
Light source in 4 and the solution interaction to be measured in Hollow-Core Photonic Crystal Fibers 4 simultaneously generate Raman scattering, scatter the light wave of generation
It is transferred in optical fiber circulator 2 by the first output optical fibre 7, spectrum acquisition equipment 5 is then transferred to by the second output optical fibre 8
It is interior, and then detection collection and by pair of Raman scattering light wave at monochromatic machine monitoring is carried out to scattered wave signal by detector 11
Spectrum is answered, then the spectrum of monitoring is compared with normalized Raman scattering spectrum by monitoring terminal 12 again, and then can obtain
The ingredient and concentration for going out solution to be measured can will be by Hollow-Core Photonic Crystal Fibers 4 and vacuum chamber 3 during specifically used
The detecting head and light source and detection collection system of composition are both placed in monitoring field and are monitored, and also can only be placed on detecting head
Then monitoring signals are transferred to interior into acquisition and analysis by monitoring field, on the other hand, sealing vacuum chamber 3 is in addition to that can protect
Demonstrate,prove positive pressure difference so that water quality to be measured enters inside Hollow-Core Photonic Crystal Fibers 4, while also can be by filling height to intracavitary
Body of calming the anger makes 4 both ends of photonic crystal fiber be reached at reversed pressure difference to which photonic crystal fiber 4 is discharged in sample to be tested
To the cleaning of 4 sample cell of Hollow-Core Photonic Crystal Fibers, for use in the detection of different time different quality.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of water environment on-Line Monitor Device, including excitation light source (1), optical fiber circulator (2) and signal detection receiving device,
It is characterized in that, the excitation light source (1) is connected to by Transmission Fibers (6) with optical fiber circulator (2), the optical fiber circulator
(2) rear side is connected with vacuum chamber (3) by the first output optical fibre (7), and hollow photon crystal light is equipped on rear side of the vacuum chamber (3)
Fine (4), the signal detection receiving device are connected to by the second output optical fibre (8) with optical fiber circulator (2).
2. a kind of water environment on-Line Monitor Device according to claim 1, which is characterized in that the excitation light source (1) is
Laser structure, the laser include but not limited to high power multiple-wavelength laser.
3. a kind of water environment on-Line Monitor Device according to claim 1, which is characterized in that the Transmission Fibers (6) with
Optical fiber circulator (2) Single port is connected to, and first output optical fibre (7) is connected to optical fiber circulator (2) Two-port netwerk, and described second
Output optical fibre (8) is connected to (2) three port of optical fiber circulator.
4. a kind of water environment on-Line Monitor Device according to claim 1, which is characterized in that vacuum chamber (3) side
Equipped with valve (9), the valve (9) is connected with air pump (10) by pipeline.
5. a kind of water environment on-Line Monitor Device according to claim 1, which is characterized in that the signal detection reception is set
Standby interior including spectrum acquisition equipment (5), detector (11) and detection terminal (12), the spectrum acquisition equipment (5) passes through second
Output optical fibre (8) is connected to optical fiber circulator (2), the spectrum acquisition equipment (5), detector (11) and detection terminal (12) it
Between pass through network connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632987.4U CN207908368U (en) | 2017-11-29 | 2017-11-29 | A kind of water environment on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721632987.4U CN207908368U (en) | 2017-11-29 | 2017-11-29 | A kind of water environment on-Line Monitor Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908368U true CN207908368U (en) | 2018-09-25 |
Family
ID=63571304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721632987.4U Active CN207908368U (en) | 2017-11-29 | 2017-11-29 | A kind of water environment on-Line Monitor Device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207908368U (en) |
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2017
- 2017-11-29 CN CN201721632987.4U patent/CN207908368U/en active Active
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