CN206020267U - Particulate matter backscattering coefficient polarization sensitivity measurement apparatus and its fixing device - Google Patents
Particulate matter backscattering coefficient polarization sensitivity measurement apparatus and its fixing device Download PDFInfo
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- CN206020267U CN206020267U CN201620572858.XU CN201620572858U CN206020267U CN 206020267 U CN206020267 U CN 206020267U CN 201620572858 U CN201620572858 U CN 201620572858U CN 206020267 U CN206020267 U CN 206020267U
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- particulate matter
- backscattering coefficient
- fixing device
- unthreaded hole
- polarization
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Abstract
The utility model provides a kind of particulate matter backscattering coefficient polarization sensitivity measurement apparatus and its fixing device, and the measurement apparatus include that fixed frame, back scattering instrument, polarization components, the fixed frame are provided with even number unthreaded hole；Unthreaded hole includes exit pupil and scattering unthreaded hole, corresponds between exit pupil and scattering unthreaded hole；Polarization components are installed at exit pupil, and light can be incided in suspended particulate substance water body through unthreaded hole perpendicular through polarization components, after particulate matter scattering return particulate matter back scattering instrument by scattering unthreaded hole.By the fixing device, linear polarization component is fixed in particulate matter back scattering instrument vertical optical path, detects the backscattering coefficient of suspension bed sediment water body in water tank.The device provided by the utility model, can probe into impact of the light source polarization to particulate matter backscattering coefficient certainty of measurement, can more accurately detect the backscattering coefficient of suspended particulate substance water body, realize the purpose of water quality and coastal ocean optical research.
Description
Technical field
The utility model belongs to marine optics field of measuring technique, and a kind of more particularly to particulate matter backscattering coefficient is inclined
Sensitiveness of shaking measurement apparatus.
Background technology
Water body component backscattering coefficient is one of ocean color factor of determination, and Sea-Viewing Satellites remote-sensing inversion
Underlying parameter.Backscattering coefficient is the inherent optics parameter of water body, only relevant with water body component, does not change with illumination condition.
Natural water backscattering coefficient has become the important research contents of marine optics, and sets up for different natural waters high-precision
The basis of degree water colour inverse model.Meanwhile, Backscattering Coefficients in Different Water Bodies is in the harmful algae of estimation primary productivity, monitoring and identification
The aspects such as high-precision radiative transfer model are planted, study marine community structure, water quality assessment and are set up with important
Effect.
Measurement backscattering coefficient mainly has following several：
1st, using operating principle of the spectrophotometer based on FTF/T-R methods, simultaneously combination algorithm obtains Suspended Particles in Water
The method of backscattering coefficient, the method make suspended particulate substance optical field distribution rule change, although algorithm is revised,
Examination on experimental operation can produce experimental error to result；
2nd, combine aqueous bio optical characteristics to simulate using radiative transfer model, different sea area bio-optical properties, half point
Analysis algorithm is different, and empirical algorithms are difficult to be suitable for all sea areas；
3rd, scattering coefficient is calculated based on Mie theory, particulate matter back scattering system is calculated using backscattering probability
Number, but the particle size regularity of distribution, size and refractive index are larger on result of calculation impact；
4th, scene is directly measured using optical instrument (HydroScat-6P, BB9, VSF3).
At present, scene is accurate quick obtaining using HOBI Labs Hydroscat-6P back scattering measuring instrument measurements
The important method of Backscattering Coefficients in Different Water Bodies.But, due to the reflection of minute surface and refraction action in Hydroscat-6P light paths, its
Emergent light there may be certain polarization characteristic, and then may produce impact to the measurement of water body component backscattering coefficient.But
The impact for measuring for the light source polarizability of back scattering instrument HydroScat-6P and its to Backscattering Coefficients in Different Water Bodies at present is still
There is not research.
Utility model content
In order to study impact of the marine optics light source for instrument polarization characteristic to particulate matter backscattering coefficient certainty of measurement, enter
And sensitiveness of the particulate matter backscattering coefficient to polarised light is analyzed, illustrate visible ray inclined in natural water road radiation transmission process
Characteristic variations of shaking rule and from water radiation polarisation characteristic and water constituent particulate matter Inherent Optical Properties backscattering characteristic it
Between internal relation, devise hereby a kind of particulate matter backscattering coefficient polarization sensitivity measurement apparatus.Using the measurement dress
Put, can systematically measure the polarizability of back scattering instrument HYDROSCAT-6P outgoing light sources, its polarized light source be analyzed to particle
The impact of thing backscattering coefficient certainty of measurement, and then sensitiveness of the particulate matter backscattering coefficient to polarization is analyzed, research can
See light polarization characteristic Changing Pattern in suspended particulate substance water body road radiation transmission process.
More specifically, the utility model provides a kind of for particulate matter backscattering coefficient polarization sensitivity measurement apparatus
Fixing device, including fixed frame, framework is provided with even number unthreaded hole；
Unthreaded hole includes exit pupil and scattering unthreaded hole, corresponds between exit pupil and scattering unthreaded hole；
Polarization components are installed on exit pupil, and light path is perpendicular through polarization components.
Used as preferred, fixed frame includes upper plate and lower plate；
Polarization components are located in the groove between upper plate and lower plate.
Used as preferred, unthreaded hole is provided with for fixing the slot of polarization components.
Used as preferred, fixed frame is provided with 12 unthreaded holes.
Used as preferred, polarization components are LPYISE050-A polarizers.
The utility model additionally provides a kind of particulate matter backscattering coefficient polarization sensitivity measurement apparatus, including particulate matter
Back scattering instrument, liquid container and above-mentioned any one for particulate matter backscattering coefficient polarization sensitivity measurement apparatus
Fixing device；
Fixing device is fixed on particulate matter back scattering instrument；Exit pupil, scattering unthreaded hole respectively with particulate matter back scattering
The launch hole of instrument, receiver hole are corresponding；Fixing device, particulate matter back scattering instrument are on the liquid container, and exit pupil, dissipate
Unthreaded hole is penetrated vertically towards the liquid in liquid container.
As preferred, it is tightly fastened by fixture between fixing device and particulate matter back scattering instrument.
Used as preferred, fixture is screw.
Used as preferred, particulate matter back scattering instrument is Hydroscat-6P.
The fixing device for particulate matter backscattering coefficient polarization sensitivity measurement apparatus that the utility model is provided, makes
Obtain the fixing device to be simply arranged on back scattering instrument, meanwhile, in this application, polarizer also simply can be pacified
It is mounted in the fixing device so that when individual part is damaged, individually can be replaced.
The particulate matter backscattering coefficient polarization sensitivity measurement apparatus provided using the utility model, can be in laboratory
On the basis of interior utilization particulate matter back scattering instrument Hydroscat-6P in site measurement particulate matter backscattering coefficients, change and survey
The polarization characteristic of amount Hydroscat-6P outgoing light sources, and then the suspension bed sediment solution of proportioning variable concentrations, complete different polarization
The light source in direction measures the impact of particulate matter backscattering coefficient to particulate matter back scattering instrument Hydroscat-6P, and then analyzes
Sensitiveness of the particulate matter backscattering coefficient to polarization.
The utility model compared with the existing technology, has the advantage that：
1st, simple structure, makes easily, easy to use.The utility model is fixed using the linear polarizer that lucite makes
Device, adds linear polarizer LPYISE050-A in vertical optical path at particulate matter back scattering instrument Hydroscat-6P emergent pupil mouths,
Change the polarization characteristic of its outgoing light source, analyze impact of the polarized light source to water constituent absorption coefficient certainty of measurement.
2nd, long service life, is easy to safeguard.The part of the utility model linear polarizer fixing device is to use unorganic glass
Make, can Reusability.Any parts damages simultaneously, need to only change and change part, reduces cost.
3rd, particulate matter back scattering instrument Hydroscat-6P noises are low, and backscatter light can be suppressed to dissipate particulate matter backward
The impact of coefficient measurement is penetrated, further calculating particulate matter dissipates backward by measuring particulate matter rear orientation light at 140 ° of back scattering angle
Coefficient is penetrated, instrument performance is stable.
Description of the drawings
Fig. 1 is the structure top view of the first embodiment in the utility model.
Fig. 2 is the structural side view of the first embodiment in the utility model.
Fig. 3 is the structural side view of second embodiment in the utility model.
Fig. 4 is Cleaning Principle schematic diagram in the utility model.
Specific embodiment
Embodiment one
The first embodiment of the present utility model provides a kind of for particulate matter backscattering coefficient polarization sensitivity
The fixing device of measurement, as depicted in figs. 1 and 2, including framework 1, framework 1 is provided with even number unthreaded hole 2；Unthreaded hole 2 includes outgoing
Unthreaded hole 22 and scattering unthreaded hole 21, correspond between exit pupil 22 and scattering unthreaded hole 21；Polarization components are installed on exit pupil
On 22, and light can pass through unthreaded hole 2 perpendicular through polarization components.
In the present embodiment, framework 1 can be one includes upper plate 11 and the framework 1 of lower plate 12, polarization components
It is located in the groove between upper plate and lower plate；The card of fixing polarization components directly can also be provided on unthreaded hole 2
Groove is closed, enables polarization components more simply on framework 1.
In the present embodiment, framework 1 is provided with 12 unthreaded holes 2, which includes 6 exit pupils 22 and 6 scatterings
Unthreaded hole 21, each exit pupil 22 and one scattering unthreaded hole 21 corresponding.Arrow in corresponding correspondence position such as Fig. 1 and
Shown in the label of corresponding unthreaded hole 2.Polarization components select polarizer so that it is smaller that the volume of whole fixing device is done.
Embodiment two
Second embodiment of the present utility model is measured there is provided a kind of particulate matter backscattering coefficient polarization sensitivity
Device, as shown in figure 3, including particulate matter back scattering instrument 3, liquid container 4 and above-mentioned any one for particulate matter after
Fixing device to scattering coefficient polarization sensitivity measurement apparatus；Fixing device is fixed on particulate matter back scattering instrument 3；Emergent light
Hole 22, the scattering launch hole respectively with particulate matter back scattering instrument 3 of unthreaded hole 21, receiver hole are corresponding；After fixing device, particulate matter
To scatterometer 3 on liquid container 4, and exit pupil 22, scattering unthreaded hole 21 are vertical towards the liquid in liquid container 4.
In the present embodiment, it is tightly fastened by fixture between fixing device and particulate matter back scattering instrument 3, this is solid
It can be the devices such as screw, or buckle to determine part, as long as guaranteeing fixing device is fixed on particulate matter back scattering instrument 3
When will not fall off.Liquid container uses the water tank of 40cm × 40cm × 40cm.
In the present embodiment, particulate matter back scattering instrument 3 is Hydroscat-6P.Hydroscat-6P has 6 solely
Vertical wave section, centre wavelength are respectively 420nm, 442nm, 470nm, 510nm, 590nm, 670nm.6 independent wave bands all have such as
Index path shown in Fig. 4, respectively to the rear orientation light at 140 ° of angle of scatterings after 6 wave bands of measurement, after then calculating particulate matter
To scattering coefficient.Specifically, what the device was detected is the rear orientation light of two shaded area coincidence position suspended particulate substances.
This particulate matter backscattering coefficient polarization sensitivity measurement apparatus are in the original light paths of particulate matter back scattering instrument 3HYDROSCAT-6P
In vertical add linear polarizer LPYISE050-A, change the linear polarization state of its outgoing light source.Before testing, first with
Field spectroradiometer ASD measures the polarization spectrum of particulate matter back scattering instrument 3HYDROSCAT-6P outgoing light sources in optics dark place,
And then change the particulate matter backscattering coefficient that linear polarizer LPYISE050-A polarization angle measures variable concentrations.Specifically, change
The concentration and linear polarizer LPYISE050-A polarization angle that become suspended particulate substance complete the particulate matter back scattering system of different-waveband
Particulate matter back scattering is studied in several measurements, particulate matter backscattering coefficient measurement result under comparative analysis different polarization angle
The sensitiveness that coefficient is polarized to light source, illustrates visible ray in suspension bed sediment water body road radiation transmission process from water radiation polarisation characteristic
Changing Pattern and the interaction relationship between water constituent.
The respective embodiments described above are to realize specific embodiment of the utility model, and one of ordinary skill in the art can manage
Solution, and in actual applications, can to which, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (9)
1. a kind of for particulate matter backscattering coefficient polarization sensitivity measurement fixing device, it is characterised in that including fixation
Framework, the framework are provided with even number unthreaded hole；
The unthreaded hole includes exit pupil and scattering unthreaded hole, corresponds between the exit pupil and the scattering unthreaded hole；
Polarization components are installed on the exit pupil, and light path is perpendicular through the polarization components.
2. the fixing device for the measurement of particulate matter backscattering coefficient polarization sensitivity according to claim 1, which is special
Levy and be, the framework includes upper plate and lower plate；
The polarization components are located in the groove between the upper plate and lower plate.
3. the fixing device for the measurement of particulate matter backscattering coefficient polarization sensitivity according to claim 1, which is special
Levy and be, the unthreaded hole is provided with for fixing the slot of the polarization components.
4. the fixing device for the measurement of particulate matter backscattering coefficient polarization sensitivity according to claim 1, which is special
Levy and be, the framework is provided with 12 unthreaded holes.
5. the fixing device for the measurement of particulate matter backscattering coefficient polarization sensitivity according to claim 1, which is special
Levy and be, the polarization components are polarizer.
6. a kind of particulate matter backscattering coefficient polarization sensitivity measurement apparatus, it is characterised in that including particulate matter back scattering
Surveying for particulate matter backscattering coefficient polarization sensitivity described in any one in instrument, liquid container and claim 1 to 5
The fixing device of amount；
The fixing device is fixed on the particulate matter back scattering instrument；The exit pupil, scattering unthreaded hole respectively with described
The launch hole of grain thing back scattering instrument, receiver hole are corresponding；The fixing device, particulate matter back scattering instrument are located at the liquid
On container, and the exit pupil, scattering unthreaded hole are vertically towards the suspension bed sediment solution in the liquid container.
7. particulate matter backscattering coefficient polarization sensitivity measurement apparatus according to claim 6, it is characterised in that described
It is tightly fastened by fixture between fixing device and the particulate matter back scattering instrument.
8. particulate matter backscattering coefficient polarization sensitivity measurement apparatus according to claim 7, it is characterised in that described
Fixture is screw.
9. particulate matter backscattering coefficient polarization sensitivity measurement apparatus according to claim 6, it is characterised in that described
Particulate matter back scattering instrument is Hydroscat-6P.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572858.XU CN206020267U (en) | 2016-06-14 | 2016-06-14 | Particulate matter backscattering coefficient polarization sensitivity measurement apparatus and its fixing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572858.XU CN206020267U (en) | 2016-06-14 | 2016-06-14 | Particulate matter backscattering coefficient polarization sensitivity measurement apparatus and its fixing device |
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| CN206020267U true CN206020267U (en) | 2017-03-15 |
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| CN201620572858.XU Withdrawn - After Issue CN206020267U (en) | 2016-06-14 | 2016-06-14 | Particulate matter backscattering coefficient polarization sensitivity measurement apparatus and its fixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928905A (en) * | 2016-06-14 | 2016-09-07 | 国家海洋局第二海洋研究所 | Particulate matter backscattering coefficient polarization sensitivity measurement device |
-
2016
- 2016-06-14 CN CN201620572858.XU patent/CN206020267U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928905A (en) * | 2016-06-14 | 2016-09-07 | 国家海洋局第二海洋研究所 | Particulate matter backscattering coefficient polarization sensitivity measurement device |
| CN105928905B (en) * | 2016-06-14 | 2018-11-09 | 国家海洋局第二海洋研究所 | Particulate matter backscattering coefficient polarization sensitivity measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20181109 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20181109 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |