CN107941715A - A kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection - Google Patents
A kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection Download PDFInfo
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- CN107941715A CN107941715A CN201711464847.5A CN201711464847A CN107941715A CN 107941715 A CN107941715 A CN 107941715A CN 201711464847 A CN201711464847 A CN 201711464847A CN 107941715 A CN107941715 A CN 107941715A
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- microscope group
- lens
- main casing
- grating
- high intensity
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The present invention relates to a kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection, solves the problems such as existing pressure-resistant performance of marine optics instrument is low, sealing performance is low, instrument cannot reliably work under the deep environment in full sea.The device includes shell, battery component, flasher, circuit control process system, lens barrel, the first collimation object microscope group, the second collimation object microscope group, slit, grating and linear array detector；Shell includes seal cover board, battery case, main casing and the grating seat set gradually；Battery component is arranged in battery case, and flasher and circuit control process system are arranged on light source board, and light source board is fixed in main casing；Slit, grating, linear array detector are fixed on grating seat；The sample cell to concave is provided with main casing, two lens barrels are separately positioned on the both sides of sample cell, and are fixedly connected with main casing, and the first collimation object microscope group and the second collimator objective group are separately positioned on inside lens barrel.
Description
Technical field
The present invention relates to spectral detection device field, and in particular to a kind of deep high intensity in full sea based on undersea detection is pressure-resistant
Spectral analysis device.
Background technology
Economic fast development makes the demand sharp increase of mineral resources, land mineral resources increasingly depleted, and ocean is gradual
As emphasis development of resources field of concern.At present, acoustics is most widely used in terms of the research of marine field, due to
The limitation of acoustics itself, makes underwater optics detection mode increasingly be paid attention to and applied.By optical instrument can in real time,
Online, it is in situ that ocean water quality, seabed resources, seafloor topography are detected and observed, with the hair of marine optics technology
The research work such as exhibition, marine exploration and development and water quality detection based on optical instrument also gradually move towards deep-sea, Underwater Optical from shallow sea
The pressure-resistant cavity of spectrometer device is that the electronic circuit for instrument, optical imaging system and power lights parts unit provide reliably
Installation space, underwater spectral instrument have been widely used the exploration exploitation of Yu Haiyang, scientific research and Underwater Battery equipment etc..
Different from traditional ground optical instrument, underwater spectral instrument needs have good leakproofness and pressure-resistant performance, needs
The mechanical cavity for designing that pressure-resistant performance is high, sealability is strong, resislance to corrosion from sea water is strong is developed, instrument could be caused in deep-sea ring
Can reliably working under border.Major part marine optics instrument is mostly optical imaging apparatus at present, and is applied to shallow sea field, if
Meter is no more than 6000m using Hai Shen, resists that pressure-resistant performance is low, sealing performance is low so that instrument cannot under the deep environment in full sea (allusion quotation
Depth that type is pressure-resistant：
11000 meters) reliably work, and there is presently no the spectrographic detection instrument applied to deep-sea.
The content of the invention
Present invention aim to address the existing pressure-resistant performance of marine optics instrument is low, sealing performance is low, instrument cannot be complete
A kind of the problems such as reliably working under extra large depth environment, there is provided pressure-resistant spectrum analysis dress of the deep high intensity in full sea based on undersea detection
Put.
The technical scheme is that：
A kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection, including shell, battery component, flicker
Light source, circuit control process system, lens barrel, the first collimation object microscope group, the second collimation object microscope group, slit, grating and linear array
Detector；The shell is sealing cylinder cylinder, including seal cover board, battery case, main casing and the grating seat set gradually；
The battery component is arranged in battery case, and battery component gives flasher and linear array respectively by circuit control process system
Detector is powered；Flasher and circuit the control process system is arranged on light source board, and the light source board is fixed at
In main casing；The linear array detector is fixed on grating seat, and the slit, grating, which are fixed by the bracket, is arranged on grating
On seat；It is provided with the sample cell to concave on the main casing, two lens barrels are separately positioned on the both sides of sample cell, and with
Main casing is fixedly connected, and the first collimation object microscope group and the second collimator objective group are separately positioned on inside lens barrel, are wrapped
Include the first lens set gradually, the second lens, glued microscope group and quartz window glass；The first collimation object microscope group and second
Collimation object microscope group passes through trim ring axially position；It is first saturating to pass sequentially through the first collimation object microscope group for the light that the flasher is sent
Mirror, the second lens, glued microscope group and quartz window glass, are converted into directional light, directional light carries out liquid sample by diverging light
Quartz window glass, glued microscope group, the second lens and the first lens after projection by the second collimation object microscope group, directional light is gathered
It is burnt to carry out dispersion in slit, the light after slit in stop position and form spectrum, linear array detector is imaged in after optical grating reflection.
Further, the lens barrel is ladder bushing structure, and lens barrel and main casing are coordinated by seam allowance, object lens
The contact surface of lens barrel and main casing is equipped with axial sealing ring and radial direction seal ring, is protected by axial sealing ring and radial direction seal ring
The good sealing performance of exhibit mirror.
Further, titanium alloy spacer ring is provided between first lens and the second lens, titanium alloy spacer ring ensures light
Learn interval.
Further, the light source board and main casing are axis hole clearance fit, are easy to ensure flasher center and collimation
The uniformity of mirror optical axis.
Further, it is both provided with O-shaped sealing between the battery case and main casing, between main casing and grating seat
Circle.
Further, the both sides of the sample cell are equipped with shaft orientation reinforcing rib, strengthen the mechanical performance of housing entirety.
Further, the first collimation object microscope group and the second collimation object microscope group use titanium alloy TC 4 material, titanium alloy zero
Part can carry out black surface processing, reduce the influence of light path veiling glare.
Further, the battery component uses Combined lithium battery, and battery component is equipped with charging interface.
Further, the side of the seal cover board is provided with hanging ring, and the hanging ring is threadedly coupled with seal cover board.
Further, the shell is made of 1Cr18Ni9Ti, which has good corrosion resistance, and to material
Material is passivated and waterproof and stain resistant surface processing, can ensure the NBC protective performance of product, and material has higher machinery
Rigidity and intensity, can ensure the reliability of product.
Advantages of the present invention is：
1. the present invention is based on the deep application demand in full sea, there is provided the spectral detection device deep applied to 11000 meters of seas, the device
With good voltage endurance capability, good corrosion resistance and reliable water-stop ability, Quan Hai deep-seas ocean ring disclosure satisfy that
The application demands such as border water quality monitoring, topography and geomorphology detection and the exploration of marine minerals.
2. ocean color detecting devices provided by the invention, guard shield uses the stainless steel material of corrosion resistance, cylinder
Shape construction profile designs, and optical lens constitutional detail use titanium alloy material, and optical window uses that NBC protective performance is good, intensity is high
Quartz material, can good conformity abyssal environment, have the characteristics that high voltage ability, resistance to corrosion are strong, it can be ensured that complete
The reliability application of extra large depth environment.
It is ocean in-situ investigation 3. present invention firstly provides the spectral detection device based on deep-sea field, can be to ocean
The water body component of section carries out real-time detection and analysis, also the components such as sea bucket abyss, seabed chimney, hydrothermal vent can be carried out former
Position detection and analysis.
4. present invention employs flasher, holographic concave grating light splitting and high sensitivity linear array detector configuration,
Spectrographic detection precision is high, and as dissolubility nitrogen detection limit is up to 0.005mg/L, detection dynamic range is big.
Brief description of the drawings
Fig. 1 is the structure chart of spectral detection device of the embodiment of the present invention；
Fig. 2 is the local structural graph of spectral detection device of the embodiment of the present invention；
Fig. 3 is the shaft orientation reinforcing rib structure chart of spectral detection device of the embodiment of the present invention.
Reference numeral：1- shells, 101- seal cover boards, 102- battery cases, 103- main casings, 104- grating seats, 2- electricity
Pond component, 3- circuit control process systems, 4- light source boards, 5- flashers, 6- lens barrels, 7- the first collimation object microscope groups, 8-
Second collimation object microscope group, 9- slits, 10- gratings, 11- linear array detectors, 12- sample cells, the first lens of 13-, 14- gluing mirrors
Group, the second lens of 15-, 16- quartz window glass, 17-O type sealing rings, 18- hanging rings, 19- radial direction seal rings, 20- axial seals
Circle, 21- shaft orientation reinforcing ribs, 22- trim rings, 23- spacer rings.
Embodiment
Technical scheme is clearly and completely described with reference to Figure of description.
Spectral detection device of the present invention is mainly used for in-situ investigation Marine water component state, trace element to seawater,
Micro- equal size carries out detected with high accuracy in situ, and accurate data support is provided for the assessment of ocean water quality.
A kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection as shown in Figure 1 to Figure 3, including it is outer
Shell 1, battery component 2, flasher 5, circuit control process system 3, lens barrel 6, the first collimation object microscope group 7, second collimation
Objective lens 8, slit 9, grating 10 and linear array detector 11；Shell 1 is sealing cylinder cylinder, including the seal cover board set gradually
101st, battery case 102, main casing 103 and grating seat 104；Battery component 2 is arranged in battery case 102, and battery component 2 is logical
Oversampling circuit control process system 3 is powered to flasher 5 and linear array detector 11 respectively；Flasher 5 and circuit control process
System 3 is arranged on light source board 4, and light source board 4 is fixed in main casing 103, and linear array detector 11 is fixed at grating
On seat 104, slit 9, grating 10, which are fixed by the bracket, to be arranged on grating seat 104.
The sample cell 12 to concave is provided with main casing 103, two lens barrels 6 are separately positioned on the two of sample cell 12
Side, and be fixedly connected with main casing 103, the first collimation object microscope group 7 and the second collimation object microscope group 8 are separately positioned on lens barrel 6
Inside, includes the first lens 13, the second lens 15, glued microscope group 14 and the quartz window glass 16 set gradually, first is accurate
For straight 7 and second collimation object microscope group 8 of objective lens by 22 axially position of trim ring, it is accurate that the light that flasher 5 is sent passes sequentially through first
The first lens 13, the second lens 15, glued microscope group 14 and the quartz window glass 16 of straight objective lens 7, diverging light are converted into flat
Row light, quartz window glass 16 by the second collimation object microscope group after directional light projects liquid sample, glued microscope group 14,
Second lens 15 and the first lens 13, dispersion is carried out by parallel light focusing in slit 9, the light after slit 9 in 10 position of grating
Spectrum is formed, linear array detector 11 is imaged in after the reflection of grating 10.
O-ring seal is both provided between battery case 102 and main casing 103, between main casing 103 and grating seat 104
17, axial seal groove is provided with the face that quartz window glass 16 and glued microscope group 14 contact, and is further able to ensure device
Sealing performance.
The present invention is mainly supported and protected to light, electrical components by combined machine guard shield, optical system and circuit
System is monolithically integrated within guard shield 1, flasher 5 and circuit control process system 3 by light source board 4 as a whole
Component is connected with guard shield 1, and light source board 4 and shell 1 be axis hole clearance fit, can reach higher processing and adjustment is smart
Degree, is easy to ensure 5 center of flasher and the uniformity of collimating mirror optical axis, accurate for optical system structure design requirement, first
7 and second collimation object microscope group of straight objective lens, 8 material selects titanium alloy TC 4 material, and each collimation object microscope group is single component
Design, comprising a quartz window glass 16, a glued microscope group 14 and two lens, are designed with titanium alloy spacer ring between lens
23 ensure optical interval, and both ends are designed with titanium alloy trim ring 22 and microscope group is fixed inside and outside object lens, and lens barrel is whole
Body carries out shaft hole matching installation by the flange on lens barrel and guard shield 1, is axially fastened using screw, and the titanium of design closes
Metal parts can carry out black surface processing, reduce the influence of light path veiling glare.
Lens barrel 6 is ladder bushing structure, and lens barrel 6 and main casing 103 are coordinated by seam allowance, on cylindrical fit face
Two groups of O-ring radial direction seal rings 19 are designed with, and connecting flange position is also configured with O-ring axial sealing ring 20, passes through three
The sealing at place ensures the good sealing performance of object lens position；Two groups of collimation object microscope group end faces are used as and the direct contact position of seawater,
The window glass of quartz material, a diameter of 10mm are designed with, the thickness of glass of design can bear the water body pressure of 120MPa, window
The relevant envelopes such as fluid sealant are smeared on glass batch face periphery when passing through axial seal groove and assembling between mouth glass and object lens
Adhesive process, it can be ensured that the excellent sealing of optical window position, the light that flasher 5 is sent will be sent out by the first collimation object microscope group first
Astigmatism forms directional light, and directional light focuses on optical slot 9 after being projected to liquid sample after the second collimation object microscope group,
Light after slit 9 carries out dispersion in 10 position of grating, forms spectrum, and detector position is imaged in after the reflection of grating 10.
In whole light path, the position relationship between optical slot 9, grating 10 and detector three directly affects spectrum spy
The spectral resolution of survey.In the present invention, optical slot 9, incisure density 600l/mm portray area 30mm × 30mm flat field it is recessed
Face holographic grating and TCD1304DG line detectors are installed on grating seat 104 as a component, can be using only monochrome
The standard outer light source such as instrument, by adjusting postures such as the setting angles of grating 10, carries out the adjustment of above-mentioned three's light path, ensures optics
The precision of position, after position adjustment, grating seat 104 is installed with 1 shaft hole matching of shell, passes through axial O-ring seal 17
Sealed.
Battery component 2 is responsible for power supply during product underwater operation, and battery uses Combined lithium battery, and charging can once be protected
Continuous work 15h is demonstrate,proved, the outside of battery component 2 is designed with charging interface, opens thread seal formula hanging ring 18, battery can be filled
Electricity.
The structure of product must assure that under oceanographic equipment especially ocean water selects with good resistance to corrosion, shell 1
With 1Cr18Ni9Ti, which has good corrosion resistance, and material is passivated and waterproof and stain resistant surface
Processing, can ensure the NBC protective performance of product, and material has higher mechanical stiffness and intensity, can ensure the reliable of product
Property.
Instrument when deep-sea works, it is necessary to bear larger outside body of water pressure, for the environment of 11000m depth of waters work,
Equipment needs to bear the external pressure of 110MPa, and according to instrument overall construction design state, external water pressure all concentrates on outside
Guard shield 1 on, based on the physical mechanical characteristic of 1 material 1Cr18Ni9Ti of shell, product is carried out by finite element software
Static pressure simulation analysis, inside and outside reinforcement design have been carried out in stress concentration position, it is ensured that product maximum stress phase
For the yield stress intensity of material, with twice of stress intensity nargin, it can ensure reliably working of the product at deep-sea.
103 centre position of main casing is designed as hatch frame, sample cell 12 of the aperture position as detection seawater, product dress
During with debugging, standard water sample can be placed and carry out high-precision calibrating.When product sinks, different Hai Shen are sampled by the aperture position
Seawater sample, carry out spectrographic detection, for increase shell nozzle caused by intensity reduction, be designed with two in aperture position
Uniformly distributed shaft orientation reinforcing rib 21, strengthens the mechanical performance of housing entirety.
Claims (10)
- A kind of 1. pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection, it is characterised in that：Including shell (1), Battery component (2), flasher (5), circuit control process system (3), lens barrel (6), the first collimation object microscope group (7), Two collimation object microscope groups (8), slit (9), grating (10) and linear array detector (11)；The shell (1) is sealing cylinder cylinder, including seal cover board (101), battery case (102), the main casing set gradually Body (103) and grating seat (104)；The battery component (2) is arranged in battery case (102), and battery component (2) passes through circuit control process system (3) point Gei not flasher (5) and linear array detector (11) power supply；The flasher (5) and circuit control process system (3) are arranged on light source board (4), and light source board (4) fixation is set Put in main casing (103)；The linear array detector (11) is fixed on grating seat (104), and the slit (9), grating (10) are consolidated by stent Surely it is arranged on grating seat (104)；The sample cell (12) to concave is provided with the main casing (103), two lens barrels (6) are separately positioned on sample cell (12) both sides, and be fixedly connected with main casing (103), the first collimation object microscope group (7) and the second collimation object microscope group (8) point Lens barrel (6) inside is not arranged on, includes the first lens (13), the second lens (15), glued microscope group set gradually (14) and quartz window glass (16)；The first collimation object microscope group (7) and the second collimation object microscope group (8) pass through trim ring (22) axis To positioning；The light that the flasher (5) sends passes sequentially through the first lens (13), the second lens of the first collimation object microscope group (7) (15), diverging light is converted into directional light by glued microscope group (14) and quartz window glass (16), and directional light carries out liquid sample Quartz window glass (16), glued microscope group (14), the second lens (15) and first after projection by the second collimation object microscope group (8) Lens (13), parallel light focusing is carried out dispersion in grating (10) position and forms spectrum in slit (9), the light after slit (9), Linear array detector (11) is imaged in after grating (10) reflection.
- 2. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 1 based on undersea detection, its feature exist In：The lens barrel (6) is ladder bushing structure, and lens barrel (6) and main casing (103) are coordinated by seam allowance, object lens mirror The contact surface of cylinder (6) and main casing (103) is equipped with axial sealing ring (20) and radial direction seal ring (19).
- 3. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 2 based on undersea detection, its feature exist In：Spacer ring (23) is provided between first lens (13) and the second lens (15).
- 4. the pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection according to claim 1 or 2 or 3, its It is characterized in that：The light source board (4) and main casing (103) are axis hole clearance fit.
- 5. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 4 based on undersea detection, its feature exist In：O is both provided between the battery case (102) and main casing (103), between main casing (103) and grating seat (104) Type sealing ring (17).
- 6. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 5 based on undersea detection, its feature exist In：The both sides of the sample cell (12) are equipped with shaft orientation reinforcing rib (21).
- 7. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 6 based on undersea detection, its feature exist In：The first collimation object microscope group (7) and the second collimation object microscope group (8) use titanium alloy TC 4 material.
- 8. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 7 based on undersea detection, its feature exist In：The battery component (2) uses Combined lithium battery, and battery component (2) is equipped with charging interface.
- 9. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 8 based on undersea detection, its feature exist In：The side of the seal cover board (101) is provided with hanging ring (18), and the hanging ring (18) is threadedly coupled with seal cover board (101).
- 10. the complete deep high intensity in the sea pressure-resistant spectral analysis device according to claim 9 based on undersea detection, its feature exist In：The shell (1) is made of 1Cr18Ni9Ti.
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| CN201711464847.5A CN107941715A (en) | 2017-12-28 | 2017-12-28 | A kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection |
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| CN201711464847.5A CN107941715A (en) | 2017-12-28 | 2017-12-28 | A kind of pressure-resistant spectral analysis device of the complete deep high intensity in sea based on undersea detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715651A (en) * | 2019-10-16 | 2020-01-21 | 天津市津海德科技有限公司 | Use method of drift-type ocean optical profile viewer |
| CN117347287A (en) * | 2023-12-06 | 2024-01-05 | 山东大学 | Optical interference structural self-compensating seawater salinity measuring device |
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| CN117347287A (en) * | 2023-12-06 | 2024-01-05 | 山东大学 | Optical interference structural self-compensating seawater salinity measuring device |
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