CN107703116A - Underwater laser Raman spectrum instrument - Google Patents
Underwater laser Raman spectrum instrument Download PDFInfo
- Publication number
- CN107703116A CN107703116A CN201710969838.5A CN201710969838A CN107703116A CN 107703116 A CN107703116 A CN 107703116A CN 201710969838 A CN201710969838 A CN 201710969838A CN 107703116 A CN107703116 A CN 107703116A
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- laser
- sealing drum
- ccd
- raman spectrum
- processing unit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
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- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The present invention relates to deep-sea detecting technical field, a kind of underwater laser Raman spectrum instrument is provided, including sealing drum, in being provided with window assembly on sealing drum, in being provided with laser generator in sealing drum, light-splitting chamber, CCD and calculation processing unit, and launch light path and reflected light path in being additionally provided with sealing drum, wherein laser generator and window assembly are set in turn in transmitting light path, and window assembly, light-splitting chamber and CCD are set in turn on reflected light path, CCD electrically connects with laser generator with calculation processing unit, CCD transmission spectrums information is to calculation processing unit, calculation processing unit control laser generator transmitting laser.In the present invention, the detection to measured object Raman spectrum can be realized by spectrometer, and because each part is respectively positioned in sealing drum; this spectrometer is relatively specific for abyssal environment; the effective detection to abyssal environment can be realized, not only detection accuracy is higher, and ensures detection efficiency.
Description
Technical field
The present invention relates to deep-sea detecting technical field, more particularly to a kind of underwater laser Raman spectrum instrument.
Background technology
Take up an area the 71% of ball surface product, the oil gas that is richly stored with, mineral products and living resources in ocean.Into 21 century, walk
The inevitable choice that China faces development of globalization is turned into deep-sea.Countries in the world have had realized that the strategy meaning at exploitation deep-sea
Justice, around the ocean competition of maritime interest, and the trial of strength of associated ocean science strength also increasingly highlights therewith.
Due to the difference of marine physicochemistry environment, geology orographic condition etc., seabed resources kind, quantity/reserves, grade
Etc. suffering from difference, in order to which effective exploitation utilizes deep-sea resources, it is necessary to which the mineral reserve (such as manganese nodule), hydration to seabed are natural
The molten thing of gas and water and biotic environment are detected.In-situ testing technique is the trend of ocean power seabed measuring technology, but at present
Detection mode it is cumbersome, the environment measuring especially to deep-sea, detection efficiency is relatively low with detectability.
The content of the invention
It is an object of the invention to provide a kind of underwater laser Raman spectrum instrument, it is intended to for solving existing deep-sea detecting
It is cumbersome, the problem of detectability is relatively low.
What the present invention was realized in:
The embodiment of the present invention provides a kind of underwater laser Raman spectrum instrument, including sealing drum, is set on the sealing drum
There is window assembly, in being provided with laser generator, light-splitting chamber, CCD and calculation processing unit in the sealing drum, and in described
Transmitting light path and reflected light path are additionally provided with sealing drum, wherein the laser generator and the window assembly are set gradually
Launch in described in light path, and the window assembly, the light-splitting chamber and the CCD are set in turn in the reflected light path
On, the CCD electrically connects with the laser generator with the calculation processing unit, the CCD transmission spectrums information to institute
Calculation processing unit is stated, the calculation processing unit controls the laser generator transmitting laser.
Further, the window assembly includes the object lens on the inside of the sealing drum and installed in the sealing drum
The form seat in outside, and the transparent view port cover on the form seat, window cover described in the object lens face.
Further, the calculation processing unit includes:
Computer, read the spectral information in the CCD;
Laser controller, control laser generator produce laser;
Mainboard, host computer instruction is received, control computer realizes CCD cooling and reads spectral information therein, order
The laser controller controls the laser generator to produce laser;
Power supply, realize to the laser generator, the CCD, the computer, the mainboard and the laser controlling
Device is powered.
Further, in being provided with fixed mount component in the sealing drum, the fixed mount component includes installing in described
Support on sealing drum inwall and install in the installing plate on the support, the CCD is installed on the installing plate, described
Laser generator, the light-splitting chamber and the calculation processing unit are installed on the support.
Further, the sealing drum includes cylinder and two end caps, and two end caps seal the cylinder respectively
Two ports, and loophole is provided with wherein one end cap, the window assembly is arranged at the loophole.
Further, the end cap includes panel and the boss on the panel, and the panel cover seals the cylinder
The corresponding ports of body and be connected with the cylinder, corresponding ports of the boss along the cylinder stretch into the cylinder and
It is bonded with the inwall of the cylinder, and sealing ring is provided between the inwall of the cylinder and the boss.
Further, in being additionally provided with watertight socket on the sealing drum, the watertight socket calculates processing list with described
Member electrical connection.
Further, the laser generator produces 355nm Ultra-Violet Lasers.
Further, the sealing drum is made of titanium alloy material.
The invention has the advantages that:
In the spectrometer of the present invention, laser exposes to measured object through light-splitting chamber and window assembly caused by laser generator
Surface, so as to produce Raman diffused light, and Raman diffused light, through window assembly and coupled in light-splitting chamber, Raman diffused light is multiple
Coloured light, it enters in CCD after being spatially separated from light-splitting chamber according to different wavelength, and CCD converts optical signals to numeral
Signal (spectral information), calculation processing unit obtain the spectral information and storage.Show that spectrometer can by above-mentioned working method
To realize the detection to measured object Raman spectrum, and because each part is respectively positioned in sealing drum, this spectrometer is relatively specific for
Abyssal environment, it is possible to achieve to the effective detection of abyssal environment, not only detection accuracy is higher, and ensures detection efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of underwater laser Raman spectrum instrument provided in an embodiment of the present invention;
Fig. 2 is the sectional view of Fig. 1 underwater laser Raman spectrum instrument;
Fig. 3 is the structural representation after the sealing drum of Fig. 1 underwater laser Raman spectrum instrument is opened.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of underwater laser Raman spectrum instrument, including sealing drum 1, close
Sealed tube 1 is sealing structure, window assembly 2 can be provided with sealing drum 1 with waterproof, and window assembly 2 is mainly perspective effect,
Simultaneously can waterproof, laser generator 3, light-splitting chamber 4, CCD 5 and calculation processing unit 6 are provided with sealing drum 1, wherein
Laser generator 3 can send laser, and light-splitting chamber 4 can be according to the different separation polychromatic lights of wavelength, and CCD 5 then can be by light
Signal is converted to data signal (spectral information), and for calculation processing unit 6, it is the control centre of spectrometer, and laser occurs
Device 3 electrically connects the calculation processing unit 6 with CCD 5, and laser generator 3 and the grades of CCD 5 control by calculation processing unit 6
Work, and the spectral information of conversion can be sent to calculation processing unit 6 and stored by CCD 5, and hair is additionally provided with sealing drum 1
Penetrate light path and reflected light path, wherein laser generator 3 and window assembly 2 are set in turn in transmitting light path, and along laser
The direction that sends set gradually, and window assembly 2, light-splitting chamber 4 and CCD 5 are set in turn on reflected light path, and along transmitting
The path of polychromatic light afterwards is set gradually.In the present invention, calculation processing unit 6 controls the work of laser generator 3 after receiving instruction
To make, laser generator 3 produces laser, and laser is exposed on the measured object outside sealing drum 1 through window assembly 2, and in measured object
Upper generation Raman diffused light, Raman diffused light enters in sealing drum 1 after being reflected through window assembly 2, because Raman diffused light is
Polychromatic light, it is spatially separated from light-splitting chamber 4 according to different wavelength, and the monochromatic light after separation is converted in CCD 5
Spectral information, spectral information is stored in calculation processing unit 6.Believed by the spectrum that measured object can be obtained in said process
Breath, and then measured object can be judged according to the spectral information, and because each part is respectively positioned in sealing drum 1, this spectrometer
It is relatively specific for abyssal environment, it is possible to achieve to the effective detection of abyssal environment, not only detection accuracy is higher, and ensures
Detection efficiency.
Referring to Fig. 2 and Fig. 3, optimize above-described embodiment, refine the structure of window assembly 2, it is included in sealing drum 1
The object lens 21 of side and install in the outside form seat 22 of sealing drum 1, be generally provided with the position of the corresponding form seat 22 of sealing drum 1
Loophole, and transparent window cover 23 is provided with form seat 22, the window cover 23 it is corresponding with loophole and with the face of object lens 21.
In the present embodiment, form seat 22 protrudes the outer surface of sealing drum 1, and window cover 23 seals form seat 22, caused by laser generator 3
Laser enters loophole after object lens 21, then is transmitted through by window cover 23 on the measured object in the outside of sealing drum 1, and is produced on measured object
Raw Raman diffused light enters in sealing drum 1 through window cover 23, and is coupled to after being focused on by object lens 21 in light-splitting chamber 4.
Referring to Fig. 2, continue to optimize above-described embodiment, refine calculation processing unit 6, it includes computer 61, laser controlling
Device 62, mainboard 63 and power supply 64, its Computer 61 are connected with CCD 5, can read the spectral information changed in CCD 5,
Mainboard 63 is main control unit, and it can receive host computer instruction, and CCD 5 cooling and reading are realized by computer 61
Spectral information therein is taken, and spectral information is stored on mainboard 63, laser controller 62 is the direct control of laser generator 3
Part processed, the order laser controller 62 of mainboard 63 control laser generator 3 produces laser, specifically by underwater robot ROV, AUV
Or the underwater platform such as lander is carried to designated depth, then instruction sent to mainboard 63 by platform, and for power supply 64, then
Electric energy mainly is provided for each electric component in spectrometer, can specifically be realized to laser generator 3, CCD 5, computer
61st, mainboard 63 and laser controller 62 etc. are powered, and wherein mainboard 63 can control power supply 64 to power each electric component in addition
The break-make of circuit, power supply 64 can use self-tolerant to work, and can be lithium iron battery.For this structure type, on sealing drum 1
Be additionally provided with watertight socket 7, watertight socket 7 electrically connects with calculation processing unit 6, by watertight socket 7 can outside set
Standby to be connected with mainboard 63, external equipment obtains depth information via watertight socket 7 and gathered with triggering CCD 5.It is generally each
Electric component is closed, in a dormant state.
Referring to Fig. 3, further, fixed mount component 8 is provided with sealing drum 1, refines the structure of fixed mount component 8,
It includes installing installs in the support 81 on the inwall of sealing drum 1 and installing in the installing plate 82 on support 81, above-mentioned CCD 5
In on installing plate 82, and laser generator 3, light-splitting chamber 4 and calculation processing unit 6 are installed on support 81.The present embodiment
In, each part in sealing drum 1 is not installed directly on the inwall of sealing drum 1, but is installed by fixed mount component 8,
Its medium-height trestle 81 can adopt the mode being screwed and be installed on the inwall of sealing drum 1, and sealing drum 1, and then can be with without through hole
Ensure the sealing property of sealing drum 1, and sealing drum 1 need to only be connected with support 81, other parts are mounted on support 81,
It is possible to prevente effectively from attachment structure is produced between other parts and sealing drum 1, it is not only easy for installation, and ensure sealing drum 1
Structural strength.
Referring again to Fig. 2 and Fig. 3, further, sealing drum 1 includes cylinder 11 and two end caps 12, cylinder 11 are
Through-hole structure with two ports, two end caps 12 distinguish two ports of the body of sealing drum 1, and are set wherein on an end cap 12
Above-mentioned loophole is equipped with, window assembly 2 is arranged at the loophole, and is provided with above-mentioned watertight on another end cap 12 and is inserted
Seat 7, is to be detachably connected between certain two end caps 12 and cylinder 11.Refine the structure of end cap 12, including panel 121 and position
In the boss 122 on panel 121, both are formed in one structure, the corresponding ports of the lid sealed tube body 11 of panel 121 and with cylinder 11
Between be connected, specially mode connects for screw, and after panel 121 is connected with cylinder 11, corresponding end of the boss 122 along cylinder 11
Mouth is stretched into cylinder 11 and is bonded with the inwall of cylinder 11, and is provided with sealing ring between the inwall and boss 122 of cylinder 11
123, end cap 12 can improve the contact area between cylinder 11 and end cap 12 using this structure, and then improve cylinder 11 and end
Sealing property between lid 12.
Referring again to Fig. 1 and Fig. 2, further, in laser from upper, laser generator 3 produces that 355nm is ultraviolet to be swashed
Light, and the laser of this wavelength can be with the Raman spectrum " fingerprint " for being hydrated the materials such as natural gas, the hydrotrope in abyssal environment
Agree with, and then laser can be caused to expose on the hydration material such as natural gas and the hydrotrope can to produce Raman diffused light.It is right
It can be titanium alloy in the material of sealing drum 1, by sealing drum 1 made of titanium alloy material, not only ensure spectrometer entirety matter
Amount is smaller, and has higher pressure-resistant and corrosion resistance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. a kind of underwater laser Raman spectrum instrument, including sealing drum, in being provided with window assembly on the sealing drum, its feature exists
In:In being provided with laser generator, light-splitting chamber, CCD and calculation processing unit in the sealing drum, and in the sealing drum
Transmitting light path and reflected light path are additionally provided with, wherein the laser generator and the window assembly are set in turn in the hair
Penetrate in light path, and the window assembly, the light-splitting chamber and the CCD are set in turn on the reflected light path, the CCD
Electrically connected with the laser generator with the calculation processing unit, the CCD transmission spectrums information to the calculating is handled
Unit, the calculation processing unit control the laser generator transmitting laser.
2. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that:The window assembly is included positioned at described
Object lens on the inside of sealing drum and form seat on the outside of the sealing drum is installed, and the transparent view port cover on the form seat,
Window cover described in the object lens face.
3. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that the calculation processing unit includes:
Computer, read the spectral information in the CCD;
Laser controller, control laser generator produce laser;
Mainboard, host computer instruction is received, control computer realizes CCD cooling and reads spectral information therein, described in order
Laser controller controls the laser generator to produce laser;
Power supply, realize and the laser generator, the CCD, the computer, the mainboard and the laser controller are supplied
Electricity.
4. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that:In being provided with fixation in the sealing drum
Frame component, the fixed mount component include installing in the support on the sealing drum inwall and installing in the peace on the support
Loading board, the CCD are installed on the installing plate, the laser generator, the light-splitting chamber and the calculation processing unit
Install on the support.
5. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that:The sealing drum includes cylinder and two
Individual end cap, two end caps seal two ports of the cylinder respectively, and are provided with loophole on wherein one end cap,
The window assembly is arranged at the loophole.
6. underwater laser Raman spectrum instrument as claimed in claim 5, it is characterised in that:The end cap includes panel and is located at
Boss on the panel, the panel cover are sealed the corresponding ports of the cylinder and are connected with the cylinder, the boss
Stretch into the cylinder along the corresponding ports of the cylinder and be bonded with the inwall of the cylinder, and the inwall of the cylinder and institute
State and be provided with sealing ring between boss.
7. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that:In being additionally provided with water on the sealing drum
Close socket, the watertight socket electrically connect with the calculation processing unit.
8. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that:The laser generator produces 355nm
Ultra-Violet Laser.
9. underwater laser Raman spectrum instrument as claimed in claim 1, it is characterised in that:The sealing drum uses titanium alloy material
It is made.
Priority Applications (1)
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CN201710969838.5A CN107703116A (en) | 2017-10-18 | 2017-10-18 | Underwater laser Raman spectrum instrument |
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CN201710969838.5A CN107703116A (en) | 2017-10-18 | 2017-10-18 | Underwater laser Raman spectrum instrument |
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CN107703116A true CN107703116A (en) | 2018-02-16 |
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CN201710969838.5A Pending CN107703116A (en) | 2017-10-18 | 2017-10-18 | Underwater laser Raman spectrum instrument |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114062340A (en) * | 2020-07-30 | 2022-02-18 | 中国科学院大连化学物理研究所 | Ultraviolet optical system pressure bearing device for deep sea environment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201302547Y (en) * | 2008-03-19 | 2009-09-02 | 中国海洋大学 | Near infrared laser-raman spectrum underwater original-position detection system |
US20140113283A1 (en) * | 2011-05-29 | 2014-04-24 | Korea Research Institute Of Chemical Technology | High-speed screening apparatus for a raman analysis-based high-speed multiple drug |
US20160054177A1 (en) * | 2014-08-22 | 2016-02-25 | Spectrasensors, Inc. | Spectrometer With Active Beam Steering |
CN106645078A (en) * | 2016-09-20 | 2017-05-10 | 中国海洋大学 | LIBS (laser-induced breakdown spectroscopy)-Raman combined underwater in-situ detection device and detection method |
-
2017
- 2017-10-18 CN CN201710969838.5A patent/CN107703116A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201302547Y (en) * | 2008-03-19 | 2009-09-02 | 中国海洋大学 | Near infrared laser-raman spectrum underwater original-position detection system |
US20140113283A1 (en) * | 2011-05-29 | 2014-04-24 | Korea Research Institute Of Chemical Technology | High-speed screening apparatus for a raman analysis-based high-speed multiple drug |
US20160054177A1 (en) * | 2014-08-22 | 2016-02-25 | Spectrasensors, Inc. | Spectrometer With Active Beam Steering |
CN106645078A (en) * | 2016-09-20 | 2017-05-10 | 中国海洋大学 | LIBS (laser-induced breakdown spectroscopy)-Raman combined underwater in-situ detection device and detection method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114062340A (en) * | 2020-07-30 | 2022-02-18 | 中国科学院大连化学物理研究所 | Ultraviolet optical system pressure bearing device for deep sea environment |
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Application publication date: 20180216 |