CN209640199U - Water body apparent spectral measuring device - Google Patents
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- CN209640199U CN209640199U CN201822077590.4U CN201822077590U CN209640199U CN 209640199 U CN209640199 U CN 209640199U CN 201822077590 U CN201822077590 U CN 201822077590U CN 209640199 U CN209640199 U CN 209640199U
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- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 claims description 10
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Abstract
The utility model provides a kind of water body apparent spectral measuring device comprising orientation adjustment module, spectral measurement module, data processing module, storage display module and power supply system；The spectral information of the spectral measurement module detection water surface and sky is simultaneously transmitted to data processing module；Spectral measurement module includes spectrometer and at least three spectrum channels that connect respectively with spectrometer, spectrum channel measure spectrum data, and spectrometer receives spectroscopic data post analysis and generates spectral information；Data processing module carries out data processing after acquiring spectral information to obtain measurement result；Display module is stored to receive measurement result and store and show；Orientation adjustment module calculates the situation of change of solar azimuth, and is rotated according to calculated result by pre-defined rule, and the sun is made to be always positioned at the back side of spectrum channel.Compared with the relevant technologies, the water body apparent spectral measuring device structure of the utility model is simple, measurement efficiency is high and is able to carry out real-time monitoring.
Description
[technical field]
The utility model relates to spectral measurement device fields more particularly to one kind to apply to online non-contact monitoring water body table
See the water body apparent spectral measuring device of environment.
[background technique]
With industrial development, urbanization speed-raising and the expansion of the size of population, demand of the China to water resource is growing；
In order to realize the sustainable development of economy and society, the monitoring ever more important of water body environment, wherein water body environment pollution is anti-
The problem of controlling becomes the key of water body environment monitoring, utilizes water body apparent spectral measuring device real-time detection, analysis and pre-
Surveying water quality parameter situation, changing rule and evolution trend is the important means for carrying out water environment pollution control with administering.Therefore, water
The demand that body surface sees spectral measurement device is increasing, and the requirement to its technical performance is also higher and higher.
Water body apparent spectral measuring device is to carry out aquatic monitoring by the above mensuration of the water surface in the related technology, that is, is pressed
According to the status requirement of the observation geometry of the above mensuration of the water surface, using the water body apparent spectral measuring device in three orientation
Upper measurement records the total spoke brightness (L of the water surfacesw), sky diffusing reflection spoke brightness (Lsky) and water surface incidence solar global irradiance (Ed(0+)) etc.
Three spectroscopic datas.
Wherein, the water body apparent spectral measuring device includes having the field spectroradiometer in single spectrum channel and with three light
Compose the triple channel spectral measurement system in channel；However, the field spectroradiometer in the related technology only installs the spectrum
Instrument, when the use field spectroradiometer measures, operator distinguishes the measure spectrum data in three orientation manually, and divides
Different time carries out the measurements taken turns more；However, the field spectroradiometer is complicated for operation, and timesharing measurement leads to measurement error
Greatly, and the measurement result of every wheel need it is artificial carry out label record, cause measurement spectroscopic data can not online processing, can not
Realize unattended real-time monitoring.
In addition, although the triple channel spectral measurement system in the related technology can measure the light in three orientation simultaneously
Modal data, but three spectrum channel is realized by three spectrometers, each described spectrometer is a spectrum channel；
Three spectrometers are set, not only make the light channel structure of the triple channel spectral measurement system complicated, expensive, but also
It is also required to manually carry out corresponding label record to the spectroscopic data of each spectrum channel measurement when operation measuring, causes to measure
Spectroscopic data can not online processing, cannot achieve unattended real-time monitoring.
Therefore, it is really necessary to provide the new water body apparent spectral measuring device of one kind and its measurement method to solve above-mentioned technology
Problem.
[utility model content]
That the purpose of this utility model is to provide a kind of structures is simple, measurement efficiency is high and is able to carry out the water of real-time monitoring
Body surface sees spectral measurement device.
In order to achieve the above objectives, the utility model provides a kind of water body apparent spectral measuring device comprising orientation is adjusted
Module, the spectral measurement module for being respectively arranged in the orientation adjustment module, data processing module and storage display module and
It is electric with the orientation adjustment module, the spectral measurement module, the data processing module and the storage display module respectively
It connects and the power supply system of power supply is provided；The spectral measurement module is used to detect the spectral information of the water surface and sky, and transmits
The spectral information is to the data processing module；The spectral measurement module include spectrometer and at least three respectively with institute
The spectrum channel of spectrometer connection is stated, the spectrum channel is used for measure spectrum data, and the spectrometer receives the spectrum number
Spectral information is generated according to post analysis；The data processing module is used to acquire the spectral information that the spectrometer generates and right
The spectral information carries out data processing, obtains measurement result；The storage display module receives the measurement result and is deposited
Storage and display；The orientation adjustment module is used to calculate the situation of change of solar azimuth, and according to calculated result by pre- set pattern
It then rotates, the sun is made to be always positioned at the back side of the spectrum channel.
Preferably, the spectrum channel includes at least sky solar global irradiance meter, the skylight spoke connecting with the spectrometer
Luminance meter and water body and airlight spoke luminance meter, the skylight spoke luminance meter and the water body and airlight spoke brightness score
It is not at an angle to the horizontal surface setting；The sky solar global irradiance meter is for measuring and receiving water surface incidence solar global irradiance number
According to for the skylight spoke luminance meter for measuring and receiving sky diffusing reflection spoke brightness data, the water body and airlight spoke are bright
For degree meter for measuring and receiving the total spoke brightness data of the water surface, the spectrometer at least receives the water surface incidence solar global irradiance number
The spectral information is generated according to, the sky diffusing reflection spoke brightness data and the total spoke brightness data post analysis of the water surface.
Preferably, the sky solar global irradiance meter includes the first optical coupling system for sequentially forming connection, the first optics
Antenna and cosine irradiance meter, first optical coupling system are connected to the spectrometer, and the cosine irradiance meter hangs down
Directly it is arranged in the water surface and towards sky.
Preferably, the skylight spoke luminance meter include the second optical coupling system being connect with the spectrometer and with
The second optical antenna towards sky of the second optical coupling system connection；The water body and airlight spoke luminance meter include
The third optical coupling system being connect with the spectrometer and connect with the third optical coupling system towards the water surface
Third optical antenna.
Preferably, towards the included angle of second optical antenna of sky and water surface normal be 20 ° to 50 ° between,
The included angle of the third optical antenna and water surface normal towards the water surface is between 20 ° to 50 °.
It preferably, is 30 ° towards second optical antenna of sky and water surface normal angle angle, towards the institute of the water surface
It states third optical antenna and water surface normal angle angle is 30 °.
Preferably, the water body apparent spectral measuring device further include be installed in the orientation adjustment module and with the confession
The video camera of electric system electrical connection；The video camera is used to shoot the water surface of record target water body and the real-time status of sky, with
Image information and/or the form of profile information are uploaded to the storage display module and are stored and shown.
Preferably, the video camera is EO-1 hyperion camera, and the video camera is used to shoot the real-time figure of record target water body
Spectrum information is uploaded to the storage display module in the form of the profile information and is stored and shown.
Preferably, the measurement result that the data processing module obtains include chlorophyll, suspended matter and it is coloured can
The concentration information of soluble organism etc..
Preferably, the orientation adjustment module include turntable, the drive system of driving turntable rotation, GPS system with
And solar azimuth computing system；The turntable is electrically connected with drive system formation, and the GPS system receives solar azimuth
Angle information is simultaneously transmitted to the solar azimuth computing system, and the solar azimuth computing system is according to the solar azimuth
Information, which calculates, to be generated turn signal and is transmitted to the drive system, and the drive system is according to turn signal driving
Turntable rotation；The spectral measurement module is installed in the turntable.
Compared with the relevant technologies, in the water body apparent spectral measuring device of the utility model, the spectral measurement mould
Block includes spectrometer and at least three spectrum channels that connect with the spectrometer, and the spectrum channel is used for measure spectrum number
According to the spectrometer receives the spectroscopic data post analysis and generates spectral information, i.e. the structure is realized in the same spectrum
Instrument is just capable of measuring the spectral information in multiple orientation by multiple spectrum channels, and this arrangement simplifies the spectral measurement moulds
The light channel structure of block, so that the structure of the water body apparent spectral measuring device is simple；Meanwhile passing through the data processing module
It acquires the spectral information that the spectrometer generates and data processing is carried out to the spectral information, obtain measurement result, it is described
Storage display module receives the measurement result and is stored and shown, the measurement result is stored in the storage and shows mould
Block eliminates the work of data label record in measurement process, improves the measurement efficiency of the water body apparent spectral measuring device,
And the measurement result can be called at any time, carry out in the case where unattended for the water body apparent spectral measuring device real
When monitoring create condition.In addition, the orientation adjustment module is used to calculate the situation of change of solar azimuth, and according to calculating
As a result it is rotated by pre-defined rule, so that the sun is always positioned at the back side of the spectrum channel, the spectral measurement module is installed in institute
Orientation adjustment module is stated, i.e., the described spectral measurement module changes the orientation of itself with the rotation of the orientation adjustment module, makes
It obtaining in the case where unattended, the water body apparent spectral measuring device is still in preset measuring state, so that it is guaranteed that
The water body apparent spectral measuring device can accurately measure target water body in the case where unattended.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the partial structure diagram of the utility model water body apparent spectral measuring device；
Fig. 2 is the spectral measurement module, the partial structure diagram of video camera and orientation adjustment module of the utility model；
Fig. 3 is sky solar global irradiance meter, skylight spoke luminance meter and the water body and airlight spoke brightness of the utility model
Meter is mounted on the observation geometry status diagram when water surface.
[specific embodiment]
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 describing, it is clear that described embodiment is only a part of the embodiment 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
All other embodiment obtained, fall within the protection scope of the utility model.
Refering to Figure 1, the utility model provides a kind of water body apparent spectral measuring device 100 comprising orientation tune
Save module 1, spectral measurement module 2, data processing module 3, storage display module 4, video camera 5 and power supply system 6.
Certainly, during actual use, according to the detection demand of different water body environments, the water body apparent spectral is surveyed
Amount device 100 can also add the measurement mould such as Temperature Humidity Sensor, pressure sensor, chemical sensor and meteorological sensor
Block.
Refering to Figure 1, in present embodiment, the spectral measurement module 2, described is deposited the data processing module 3
Storage display module 4 and the video camera 5 are fixedly installed in the orientation adjustment module 1 respectively；The power supply system 6 is entire
The apparent measuring device 100 of the water body provides electric energy, i.e., respectively with the orientation adjustment module 1, the spectral measurement module 2,
The data processing module 3, the storage display module 4 and the video camera 5, which are formed, to be electrically connected and provides power supply.
Specifically, the spectral measurement module 2 is used to detect the spectral information of the water surface and sky, and transmit the spectrum letter
It ceases to the data processing module 3；The spectral measurement module 2 include spectrometer 21 and at least three respectively with the light
The spectrum channel 22 that spectrometer 21 connects, the spectrum channel 22 are used for measure spectrum data, and the spectrometer 21 receives the light
Modal data post analysis generates spectral information.
It should be noted that the quantity of the spectrometer 21 and the spectrum channel 22 be it is unlimited, can be according to measurement
Demand and determine the quantity that the spectrometer 21 and the spectrum channel 22 are arranged；For example, in the present embodiment, the light
Spectrometer 21 is one, and the spectrum channel 22 includes three and is connected to the spectrometer 21 by optical fiber respectively, specifically, three
The spectrum channel 22 is respectively sky solar global irradiance meter 221, skylight spoke luminance meter 222 and water body and skylight spoke luminance meter
223。
Please refer to shown in Fig. 1 and Fig. 3, further, the water body apparent spectral measuring device 100 using
The above measurement method of the water surface, therefore all parts of the spectral measurement module 2 need to preset certain observation geometry state；When
When the water body apparent spectral measuring device 100 is applied in target water body, the horizontal plane of the target water body is the water body
The horizontal direction of apparent spectral measuring device 100, i.e., the described sky solar global irradiance meter 221,222 and of skylight spoke luminance meter
The water body and skylight spoke luminance meter 223 are arranged horizontal by certain angle respectively；Specifically, the sky always irradiates
Degree meter 221 includes the first optical coupling system 2211 that connection is sequentially formed by optical fiber, the first optical antenna 2212 and remaining
String irradiance meter 2213, first optical coupling system 2211 are connected to the spectrometer 21, the cosine spoke by optical fiber
Illumination photometer 2213 is arranged perpendicular to the water surface and towards sky；The skylight spoke luminance meter 222 includes by optical fiber and the light
The second optical coupling system 2221 and connect by optical fiber with second optical coupling system 2221 that spectrometer 21 connects
The second optical antenna 2222 towards sky；The water body and skylight spoke luminance meter 223 include by optical fiber and the light
The third optical coupling system 2231 and connect with the third optical coupling system 2231 by optical fiber that spectrometer 21 connects
Towards the third optical antenna 2232 of the water surface.
It should be noted that the observation of the skylight spoke luminance meter 222 and the water body and skylight spoke luminance meter 223
Angle can be manually adjusted according to the measurement demand of target water body.Specifically, second optical antenna 2222 is towards day
Sky setting simultaneously forms angle α with water surface normal1, the angle α1Angle be 20 ° to 50 ° between, the third optical antenna
2232 are arranged towards the water surface and form angle α with water surface normal2, the angle α2Angle is between 20 ° to 50 °；Further,
The angle α of second optical antenna 2222 and water surface normal1Angle is 30 °, the third optical antenna 2232 and water
The α of face normal2Included angle is 30 °.
Certainly, the observation angle of the skylight spoke luminance meter 222 and the water body and skylight spoke luminance meter 223 is unlimited
In this.
Further, the sky solar global irradiance meter 221 is for measuring and receiving water surface incidence solar global irradiance data
(Ed(0+)), the skylight spoke luminance meter 222 is for measuring and receiving sky diffusing reflection spoke brightness data (Lsky), the water body
With skylight spoke luminance meter 223 for measuring and receiving the total spoke brightness data (L of the water surfacesw), the spectrometer 21 receives the water
Face incidence solar global irradiance data (Ed(0+)), the sky diffusing reflection spoke brightness data (Lsky) and the total spoke brightness of the water surface
Data (Lsw) post analysis generates the spectral information, the spectral information is transmitted at the data by the spectrometer 21
Manage module 3.
In above structure, the sky solar global irradiance meter 221, skylight spoke luminance meter 222 and the water body and skylight
Spoke luminance meter 223 is separately formed by optical fiber and the spectrometer 21 as a spectrum channel and is connected, so that same
There are three the spectrum channels 22 for one tool of spectrometer 21, i.e., pass through three spectrum channels in the same spectrometer 21
22 are just capable of measuring the spectral information in three orientation, simplify the light channel structure of the spectral measurement module 2, so that the water
The structure that body surface sees spectral measurement device 100 is simple, and the manufacturing cost of the water body apparent spectral measuring device 100 also drops therewith
It is low.
In present embodiment, the data processing module 3 is used to acquire the spectral information that the spectrometer 21 generates
And data processing is carried out to the spectral information, obtain measurement result and is transmitted to the storage display module 4, the storage display
Module 4 receives the measurement result and is stored and shown；Specifically, the data processing module 3 is to the spectral information
The pretreatment of Noise reducing of data and data fusion is carried out, then by developing algorithm, inverting water body reflectivity and from water spoke luminance parameter
Water body albedo parameters are obtained, establish water body element high-precision inverse model using artificial neural network algorithm, described in obtaining
Measurement result；It should be noted that the measurement result includes chlorophyll, suspended matter, chromophoric dissolved organic matter (CDOM) etc.
Concentration information.
In above structure, the measurement result is stored in the storage display system 4, eliminates the data in measurement process
The work of label record, improves the measurement efficiency of the water body apparent spectral measuring device 100, and it is aobvious to be stored in the storage
Show that the measurement result of module 4 can be called at any time, is the water body apparent spectral measuring device 100 in unattended situation
Under measure and create condition, i.e., in the case where unattended, the water body apparent spectral measuring device 100 is to target water
Body carries out lasting measurement and obtains the corresponding measurement result, and a large amount of measurement result can be stored directly in described
Display system 4 is stored, without artificial record in real time, so that the water body apparent spectral measuring device 100 can be realized unmanned value
The real time monitoring function kept.
In order to more fully obtain the information of target water body, the water body apparent spectral measuring device 100 is also installed
State camera shooting 5；The video camera 5 includes high definition camera and/or EO-1 hyperion camera, and the video camera 5 is for shooting record target water
The water surface of body and the real-time status of sky are uploaded to the storage display module in the form of image information and/or profile information
4 are stored and are shown.
By the setting of the video camera 5, the storage display module 4 receives the measurement result and described image simultaneously
Information and/or the profile information, the storage display module 4 can be realized organic to chlorophyll, suspended matter, coloured solubility
The described image information of the real-time status of the concentration data information and water surface and sky of object (CDOM) etc. and/or the profile information
While store and display so that the water body apparent spectral measuring device 100 provides for user about the target water body
Various information have more accurate assurance convenient for users to the pollutional condition to the target water body；The i.e. described measurement result exhibition
What is shown is the concentration information of chlorophyll, suspended matter, the chromophoric dissolved organic matter (CDOM) of the target water body at the time point etc.,
What described image information and/or the profile information were shown is then the reality of the water surface and sky of the target water body under the measurement result
When state；Certainly, the measurement result includes but is not limited to chlorophyll, suspended matter, chromophoric dissolved organic matter (CDOM) etc.
Concentration information.
Preferably, the video camera 5 is preferably EO-1 hyperion camera；Specifically, the video camera 5 is based on liquid
The EO-1 hyperion camera of brilliant tunable optic filter, the EO-1 hyperion camera based on AOTF, EO-1 hyperion camera or base based on grating beam splitting
In magazine one kind of optical filter；Certainly, the type of the video camera 5 is without being limited thereto.
The EO-1 hyperion camera is used to shoot the water surface of record target water body and the real-time profile information of sky.It needs
Illustrate, at same time point, the measurement result that the target water body is measured and obtained is with the profile information
The relationship for corresponding to each other supplement, the spectral information and the video camera 5 that the spectral measurement module 2 collects are adopted
The spectrum data that collects carries out data fusion, it is final realize to target water body carry out large area, high-precision, quickly, it is long-term
Dynamic monitoring.The data fusion includes spectral resolution matching, EO-1 hyperion camera reflectivity inverting scheduling algorithm.
Please refer to shown in Fig. 1~2, in order to improve the accuracy that the water body apparent spectral measuring device 100 measures,
Need to guarantee that the spectral measurement module 2, always in preset location status, makes the sun begin for the orientation of the sun
Final position is in the back side of the spectrum channel 22, specifically, needing to guarantee the sky solar global irradiance meter 221, the skylight spoke
Luminance meter 222 and the water body and skylight spoke luminance meter 223 are arranged back to the sun always.
In the present embodiment, the orientation tune of the spectral measurement module 2 is realized by the way that the orientation adjustment module 1 is arranged
Whole, the orientation adjustment module 1 is used to calculate the situation of change of solar azimuth, and is revolved according to calculated result by pre-defined rule
Turn, the sun is made to be always positioned at the sky solar global irradiance meter 221, the skylight spoke luminance meter 222 and the water body and sky
The back side of light spoke luminance meter 223.
Further, the orientation adjustment module 1 include turntable 11, the driving turntable 11 rotate drive system 12,
Solar azimuth computing system 13 and GPS system 14；The turntable 11 is electrically connected with the drive system 12 formation, described
GPS system 14 receives solar azimuth angle information and is transmitted to the solar azimuth computing system 13, the solar azimuth meter
Calculation system 13 is calculated according to the solar azimuth angle information to be generated turn signal and is transmitted to the drive system 12, the driving
System 12 drives the turntable 11 to rotate according to the turn signal；The spectral measurement module 2 and the video camera 5 fill respectively
Set on the turntable 11, i.e., the described turntable 11 and the video camera 5 change the orientation of itself with the rotation of the turntable 11.
In above structure, by the setting of the orientation adjustment module 1, so that the spectral measurement module 2 and video camera 5
The orientation relative to the sun can be automatically adjusted, in the case where unattended, the water body apparent spectral measuring device 100 according to
It is so in preset measuring state, enables the water body apparent spectral measuring device 100 in the case where unattended
It can be measured that high-precision spectral information, and obtain the corresponding measurement result and described image information.
It is noted that the step of measurement of the water body apparent spectral measuring device 100 of the utility model, includes:
Step 1 installs the water body apparent spectral measuring device in target water body, presets the water body apparent spectral and survey
The observation geometry state for measuring device, makes the sun be always positioned at the spectrum channel by the orientation adjustment module real time rotation
The back side.
In said step 1, specifically, the spectrum channel includes at least the sky connecting with the spectrometer
Solar global irradiance meter, the skylight spoke luminance meter and the water body and airlight spoke luminance meter, the skylight spoke luminance meter
It is at an angle to the horizontal surface setting respectively with the water body and airlight spoke luminance meter；The orientation adjustment module real time rotation
The sun is set to be always positioned at the sky solar global irradiance meter, the skylight spoke luminance meter and the water body and airlight spoke brightness
The back side of meter.
Step 2 acquires the spectroscopic data by the spectrum channel, and receives the spectrum by the spectrometer
Spectrum analysis is carried out after data, generates the spectral information.
In the step 2, specifically, passing through the sky solar global irradiance meter, the skylight spoke luminance meter and described
Water body and skylight spoke luminance meter acquire the water surface incidence solar global irradiance data (Ed respectively(0+)), the sky diffusing reflection spoke
Brightness data (Lsky) and the total spoke brightness data (L of the water surfacesw), and the water surface is received by the spectrometer and enters firing association
Irradiance data (Ed(0+)), the sky diffusing reflection spoke brightness data (Lsky) and the total spoke brightness data (L of the water surfacesw) after
Spectrum analysis is carried out, the spectral information is generated.
Further, the water surface of record target water body and the real-time status of sky are shot, and by the video camera to scheme
It is stored and is shown as the form of information and/or profile information is uploaded to the storage display module.
Step 3 acquires the spectral information by the data processing module, and carries out the spectral information by default
Rule carries out data processing to obtain the measurement result.
In the step 3, specifically, the preset rules include by the data processing module to the spectrum
Information carries out the pretreatment of Noise reducing of data and data fusion, then by developing algorithm, inverting water body reflectivity and from water spoke brightness
Parameter obtains water body albedo parameters, establishes water body element high-precision inverse model using artificial neural network algorithm, to obtain
The measurement result；The measurement result includes the concentration letter of chlorophyll, suspended matter, chromophoric dissolved organic matter (CDOM) etc.
Breath.
Specifically preprocessing process is as follows:
According to the theory of the above measurement method of the water surface, firstly, inverting can be obtained from water spoke brightness by following formula:
Lsw=Lw+r Lsky+Lg (1)
Wherein:
LswRefer to the total emissivity (brightness of water surface light spoke) that spectrometer measures；
LwRefer to from water radiance (from the brightness of water spoke)；
r LskyRefer to sky diffuse through the water surface reflected radiation (skylight in water-reflected after enter instrument
Signal, without any Water-Body Information)；
LgRefer to that (water surface wave believes the random reflected of direct sunlight without any water body for direct sunlight reflection
Breath)；LgBy adjusting suitable geometry observation angle, ideally can be ignored.
In the case where avoiding direct sunlight reflection, ignoring or avoid water surface foam, the water spectral letter of spectrometer measurement
Breath are as follows:
Lsw=Lw+r Lsky (2)
Wherein
LwFor from water radiance (from the brightness of water spoke)；
LskySky diffusion light, without any Water-Body Information, it is necessary to remove after a measurement；
R refer to gas-water interface to reflectivity (generally 2%-5%) r=2.1%~5%, r=r of skylight (W, qv,
Fv, q0, f0) be gas -- water termination to the reflectivity of skylight, depend on position of sun (q0, f0), observation geometry (qv, fv),
The factors such as wind speed and direction (W) or sea surface roughness.Rule of thumb, under certain observation geometrical condition, calm water surface can use r=
2.2%, in the case where 5m/s or so wind speed, in the case that r can use 2.5%, 10m/s or so wind speed, take 2.6%-2.8%.
It is obtained by (2) formula, from water spoke brightness LwAre as follows:
Lw=Lsw-rLsky
R=2.2% is taken, the total spoke brightness (L of the water surface that measurement is obtainedsw) and sky diffusing reflection spoke brightness (Lsky) substitute into
(2) formula is obtained from water spoke brightness LwNumerical value.
Then, water body Remote Sensing Reflectance is one of the important parameter for describing water spectral feature, is the basis of Ocean Color Remote Sensing
Physical quantity.Water body Remote Sensing Reflectance measurement is to need to be calculated indirectly by radiation energy.The Remote Sensing Reflectance R of water body are as follows:
R=Lw/Ed(0+) (4)
(4) formula substitutes into (3) formula, obtains:
R=(Lsw-rLsky)/Ed(0+) (5)
The total spoke brightness (L of the waters surface such as generalsw), sky diffusing reflection spoke brightness (Lsky) and water surface incidence solar global irradiance (Ed(0+)) point
Not Dai Ru (5) formula, obtain the numerical value of water-outlet body Remote Sensing Reflectance R.
Finally, establishing water body element high-precision inverse model, the water that operation is obtained by artificial neural network scheduling algorithm
Body Remote Sensing Reflectance R substitutes into the inverse model, may finally obtain chlorophyll, suspended matter, chromophoric dissolved organic matter (CDOM)
The concentration information of equal substances, the i.e. so-called measurement result of the utility model；Certainly, the measurement result includes but is not limited to
The concentration information of chlorophyll, suspended matter, chromophoric dissolved organic matter (CDOM) etc..
The measurement result is stored and is shown by the storage display module by step 4.Specifically, described deposit
Store up display module by the concentration numbers of the chlorophyll of the target water body, suspended matter, chromophoric dissolved organic matter (CDOM) etc. it is believed that
The image information and/or profile information of the real-time status of the water surface and sky of breath and the target water body are stored and are shown.
Compared with the relevant technologies, in the water body apparent spectral measuring device of the utility model, the spectral measurement mould
Block includes spectrometer and at least three spectrum channels that connect with the spectrometer, and the spectrum channel is used for measure spectrum number
According to the spectrometer receives the spectroscopic data post analysis and generates spectral information, i.e. the structure is realized in the same spectrum
Instrument is just capable of measuring the spectral information in multiple orientation by multiple spectrum channels, and this arrangement simplifies the spectral measurement moulds
The light channel structure of block, so that the structure of the water body apparent spectral measuring device is simple；Meanwhile passing through the data processing module
It acquires the spectral information that the spectrometer generates and data processing is carried out to the spectral information, obtain measurement result, it is described
Storage display module receives the measurement result and is stored and shown, the measurement result is stored in the storage and shows mould
Block eliminates the work of data label record in measurement process, improves the measurement efficiency of the water body apparent spectral measuring device,
And the measurement result can be called at any time, carry out in the case where unattended for the water body apparent spectral measuring device real
When monitoring create condition.In addition, the orientation adjustment module is used to calculate the situation of change of solar azimuth, and according to calculating
As a result it is rotated by pre-defined rule, so that the sun is always positioned at the back side of the spectrum channel, the spectral measurement module is installed in institute
Orientation adjustment module is stated, i.e., the described spectral measurement module changes the orientation of itself with the rotation of the orientation adjustment module, makes
It obtaining in the case where unattended, the water body apparent spectral measuring device is still in preset measuring state, so that it is guaranteed that
The water body apparent spectral measuring device can accurately measure target water body in the case where unattended.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (10)
1. a kind of water body apparent spectral measuring device, which is characterized in that the water body apparent spectral measuring device includes orientation tune
Save module, the spectral measurement module for being respectively arranged in the orientation adjustment module, data processing module and storage display module with
And respectively with the orientation adjustment module, the spectral measurement module, the data processing module and the storage display module
It is electrically connected and the power supply system of power supply is provided；The spectral measurement module is used to detect the spectral information of the water surface and sky, and passes
The defeated spectral information is to the data processing module；The spectral measurement module include spectrometer and at least three respectively with
The spectrum channel of the spectrometer connection, the spectrum channel are used for measure spectrum data, and the spectrometer receives the spectrum
Data post analysis generates spectral information；The data processing module is used to acquire the spectral information of the spectrometer generation simultaneously
Data processing is carried out to the spectral information, obtains measurement result；The storage display module receives the measurement result and carries out
Storage and display；The orientation adjustment module is used to calculate the situation of change of solar azimuth, and according to calculated result by predetermined
Rules rotating makes the sun be always positioned at the back side of the spectrum channel.
2. water body apparent spectral measuring device according to claim 1, which is characterized in that the spectrum channel includes at least
Sky solar global irradiance meter, skylight spoke luminance meter and the water body and airlight spoke luminance meter being connect with the spectrometer, it is described
Skylight spoke luminance meter and the water body and airlight spoke luminance meter are at an angle to the horizontal surface setting respectively；The sky is total
Irradiance meter is for measuring and receiving water surface incidence solar global irradiance data, and the skylight spoke luminance meter is for measuring and receiving day
Empty diffusing reflection spoke brightness data, the water body and airlight spoke luminance meter are for measuring and receiving the total spoke brightness data of the water surface, institute
It states spectrometer and at least receives the water surface incidence solar global irradiance data, the sky diffusing reflection spoke brightness data and the water surface
Total spoke brightness data post analysis generates the spectral information.
3. water body apparent spectral measuring device according to claim 2, which is characterized in that the sky solar global irradiance meter packet
Include the first optical coupling system, the first optical antenna and cosine irradiance meter for sequentially forming connection, the first optics coupling
Collaboration system is connected to the spectrometer, and the cosine irradiance meter is arranged perpendicular to the water surface and towards sky.
4. water body apparent spectral measuring device according to claim 3, which is characterized in that the skylight spoke luminance meter packet
Include the second optical coupling system connecting with the spectrometer and connect with second optical coupling system towards sky
The second optical antenna；The water body and skylight spoke luminance meter include the third optical coupling system connecting with the spectrometer
And the third optical antenna towards the water surface being connect with the third optical coupling system.
5. water body apparent spectral measuring device according to claim 4, which is characterized in that towards second light of sky
The included angle for learning antenna and water surface normal is between 20 ° to 50 °, towards the third optical antenna and water surface normal of the water surface
Included angle be 20 ° to 50 ° between.
6. water body apparent spectral measuring device according to claim 5, which is characterized in that towards second light of sky
The included angle for learning antenna and water surface normal is 30 °, towards the third optical antenna of the water surface and the angle angle of water surface normal
Degree is 30 °.
7. water body apparent spectral measuring device according to claim 1, which is characterized in that the water body apparent spectral measurement
Device further includes the video camera for being installed in the orientation adjustment module and being electrically connected with the power supply system；The video camera is used for
The water surface of shooting record target water body and the real-time status of sky, are uploaded to institute in the form of image information and/or profile information
Storage display module is stated to be stored and shown.
8. water body apparent spectral measuring device according to claim 7, which is characterized in that the video camera is EO-1 hyperion phase
Machine, the video camera are used to shoot the current profile information of record target water body, institute are uploaded in the form of the profile information
Storage display module is stated to be stored and shown.
9. water body apparent spectral measuring device according to claim 1, which is characterized in that the data processing module obtains
The measurement result include chlorophyll, suspended matter and chromophoric dissolved organic matter etc. concentration information.
10. water body apparent spectral measuring device according to claim 1, which is characterized in that the orientation adjustment module packet
Include drive system, GPS system and the solar azimuth computing system of turntable, the driving turntable rotation；The turntable and institute
It states drive system and forms electrical connection, the GPS system receives solar azimuth angle information and is transmitted to the solar azimuth and calculates
System, the solar azimuth computing system is calculated according to the solar azimuth angle information to be generated turn signal and is transmitted to described
Drive system, the drive system drive the turntable to rotate according to the turn signal；The spectral measurement module is installed in
The turntable.
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| CN109490221A (en) * | 2018-12-11 | 2019-03-19 | 深圳市中达瑞和科技有限公司 | Water body apparent spectral measuring device and its measurement method |
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| CN109490221A (en) * | 2018-12-11 | 2019-03-19 | 深圳市中达瑞和科技有限公司 | Water body apparent spectral measuring device and its measurement method |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Water apparent spectrum measuring device Effective date of registration: 20220530 Granted publication date: 20191115 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN WAYHO TECHNOLOGY Co.,Ltd. Registration number: Y2022440020079 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20191115 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: SHENZHEN WAYHO TECHNOLOGY Co.,Ltd. Registration number: Y2022440020079 |