CN208847652U - A kind of infrared optics formula under low suspended load silt content surveys husky device automatically - Google Patents
A kind of infrared optics formula under low suspended load silt content surveys husky device automatically Download PDFInfo
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- CN208847652U CN208847652U CN201721876497.9U CN201721876497U CN208847652U CN 208847652 U CN208847652 U CN 208847652U CN 201721876497 U CN201721876497 U CN 201721876497U CN 208847652 U CN208847652 U CN 208847652U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model relates to hydrology method of sediment measurement field, discloses a kind of infrared optics formula under low suspended load silt content and survey husky device and method automatically.The automatic pulley gear for surveying husky device and including guide rail, being set on guide rail and move along the rail, and height adjustment device, determining sand by infrared analysis sensor and the data acquisition and control module to move up and down along guide rail is directly or indirectly driven by pulley gear；The height adjustment device makes determining sand by infrared analysis sensor keep at a distance with the water surface；The direction of the determining sand by infrared analysis sensor is parallel with the water surface；The data acquisition and control module are to data processing and communication.The husky device initiative of the automatic survey of the utility model uses floating measurement scheme, ensure that determining sand by infrared analysis sensor can keep same distance to measure with the water surface in different time sections or different water levels, effectively raise measurement accuracy and accuracy by height adjustment device.
Description
Technical field
Husky technical field is surveyed the utility model relates to the hydrology, and in particular, to a kind of under low suspended load silt content
Infrared optics formula surveys husky device automatically.
Background technique
In hydrology, silt generally refers to the solid particle for moving or once moving in the case where streamflow acts on.Water
Stream carries under one's arms sediment movement, and riverbed is made of silt again, and silt between the two exchanges frequent occurrence, and this exchange causes river
The Scour and Accretion of bed.
And the also referred to as outstanding sand of suspended load, refer to by water-borne, and suspend in water far from riverbed, fortune of swimming forward with water flow
Dynamic silt.Generally being considered as suspended load from twice of river sediment partial size with the silt moved between the water surface.Due to water
The turbulent fluctuation of stream keeps suspending, this part silt is not contacted with riverbed within considerable time.
Traditional suspended sediment testing method on the hydrology are as follows: use silt sampling instrument spot sampling, adopted surveying husky room
With oven drying method, suspended sediment content is calculated.Wherein, spot sampling will take a substantial amount of time and manpower, and in high flood
Field sampling work is carried out, there are higher risks.In addition, oven drying method has precipitation concentration water sample, Drying and cooling is equipped with condensed water
The two steps of sample beaker, according to the difference of silt content, the required time is also different, but at least needs precipitated for 7 days, and 8 is small
Shi Jinhang drying, complex steps, poor in timeliness.Traditional suspended load samples testing method, can not real-time online measuring, it is difficult to catch
Sha Feng is caught, the trend of current hydrology development is not met.
The sand meter for being presently available for on-line measurement mainly has following four type: isotope sand meter, and ultrasound is husky
Instrument, infrared light sand meter vibrate sand meter.Wherein, the measurement range of isotope sand meter is wider, can arrive 1000kg/m3, but
Resolution ratio under low sand-carrying capacity is undesirable, and there are radiation problems.Ultrasonic wave sand meter volume is larger, expensive, it is difficult to pacify
Dress.Vibration sand meter then requires the flow velocity of installation site must be larger, in addition, it is smaller or when silt content is larger in flow velocity, it is easy
Blocking vibration pipe can not be measured normally.Infrared light sand meter is small in size, is easily installed, and measures under low sand-carrying capacity accurate.
The principal hydrometric station in south China area, China, most of website upstream and downstream has hydraulic engineering, and water and soil conservation dynamics is held
It is continuous to increase, therefore the big suspended load particle of partial size is largely intercepted under gate, this is but also the suspended sediment in river exists
Tend to be uniform in the cross direction profiles of section, is the advantage that suspended sediment on-line monitoring is realized at hydrometric station.
Utility model content
The technical issues of the utility model solves is to overcome the deficiencies of existing technologies, and provides one kind in low suspended load containing sand
Infrared optics formula under amount surveys husky device automatically；
Utility model
The utility model aim is achieved through the following technical solutions:
A kind of infrared optics formula under low suspended load silt content surveys husky device automatically, including guide rail, is set on guide rail
And the pulley gear moved along the rail, and the height adjustment dress to move up and down along guide rail is directly or indirectly driven by pulley gear
It sets, determining sand by infrared analysis sensor and data acquire and control module；The height adjustment device makes determining sand by infrared analysis sensor and water
It keeps at a distance in face；The data acquisition and control module are to data processing and communication.
Further, scattering and two optical sensors of sidescattering and temperature sensing after the determining sand by infrared analysis sensor includes
Device.
Inventors be surprised to learn that the relation curve and determining sand by infrared analysis sensor of sediment content and the depth of water different water depth not
It is influenced with measurement precision of the sediment concentration difference water flow under, to survey husky device initiative for the utility model thus automatic
Using floating measurement scheme, the determining sand by infrared analysis sensor in different time sections or different water levels is ensured by height adjustment device
Same distance can kept to measure with the water surface, effectively raise measurement accuracy and accuracy.
Further, the determining sand by infrared analysis sensor is arranged on height adjustment device, and the height adjustment device is floating
Cylinder or floating ball；Preferably, the buoyancy size of the floating drum is to ensure that determining sand by infrared analysis sensor is kept between 0.5~1m under water
At the depth of water.Inventors be surprised to learn that the silt content measured at the depth of water between 0.5~1m of underwater is most representative, accuracy
With accuracy also highest.Underwater refers to using the water surface as the plane of reference.The relation curve as existing for husky content and the depth of water, this is practical
It is novel to use floating type measurement, using the water surface as the plane of reference, it is ensured that the measurement point of determining sand by infrared analysis sensor and the relationship of silt content.
Meanwhile it can be avoided nature sunlight below the depth of 0.5 meter of underwater and infrared spectroscopy had an impact.Preferably, described floating
Cylinder is equipped with Water depth measuring sensor.Or the floating drum is equipped with fluorescence buoy.Or the floating drum is equipped with vertical straight-bar, the guide rail
It is equipped with water level observation scale.The length of the straight-bar is greater than floating drum at a distance from the water surface.The utility model passes through straight-bar and water
Position observation scale is in conjunction with come the depth of water of observing determining sand by infrared analysis sensor.
Further, the height adjustment device is equipped with the bracket for installation data acquisition and control module, described
The length of bracket is greater than the distance between height adjustment device and the water surface.The bracket is for ensuring data acquisition and control mould
Block exposes the surface, and avoids long period of soaking and damages.Preferably, the branch is provided with height adjuster, in different waters according to survey
The demand of the depth of water is measured, and adjusts the height of bracket.Preferably, height adjuster is telescopic sleeve.
Further, the pulley gear includes at least two pulleys and mounting bracket, and the pulley is set to installation branch
On frame；The pulley on guide rail groove or protrusion match；The mounting bracket is connect with floating drum.
Preferably, the mounting bracket is connect by anchor ear with floating drum.
Further, the pulley gear is equipped with mesh enclosure to cover.The mesh enclosure covers pulley gear in order to avoid sundries in water
Block pulley gear.
Preferably, the direction of the determining sand by infrared analysis sensor is parallel with the water surface.
Further, the floating drum is equipped with the holder for adjusting orientation, and the determining sand by infrared analysis sensor is arranged in cloud
On platform.The holder is three-dimensional holder or ball-shaped cloud platform etc..
The holder is electric platform, and the electric platform is realized by two operating motors, and motor receives to come
Positioning is accurately run from the signal of controller.Under the influence of control signals, the determining sand by infrared analysis sensor on holder is adjustable
Direction can also adjust direction under the manipulation of monitoring center operator on duty.
Further, the determining sand by infrared analysis covers disposed on sensor has orientation detection sensor；The orientation detection sensor with
Data acquisition is connect with control module.Orientation detection sensor accelerometer, gyroscope and the magnetic strength integrated
Accrued three sensors compared with gravity when static and earth's magnetic field by obtaining the posture of current time tracker, in conjunction with appearance
State and acceleration carry out integral and obtain spatial position.The orientation detection sensor is able to detect the side of determining sand by infrared analysis sensor
Position avoids changing direction because water flow etc. is impacted, influences detection accuracy.
A kind of infrared optics formula under low suspended load silt content surveys the survey method for determining sand of husky device automatically, including following
Step:
S1. the distance between determining sand by infrared analysis sensor and the water surface are adjusted；Measurement first preheater apparatus before starting, until instrument is surveyed
The temperature difference of amount front and back is no more than 0.5 DEG C, starts formally to measure again after reaching equalized temperature；
S2. data acquisition and control module receive and process determining sand by infrared analysis to determining sand by infrared analysis sensor transmission measurement instruction
The turbidity data that sensor returns determines a need for resurveying according to the size of standard deviation；
S3. the relationship of turbidity data and silt content is established:
Y=aX, wherein Y is silt content, and X is turbidity, and a is coefficient；
S4. the silt content data founding mathematical models of silt content and national standard method measurement are established；
S5., the mathematical model that the turbidity data measured is substituted into S4, acquires practical silt content.
The utility model measures standard using determining sand by infrared analysis sensor by measuring sediment content apart from the certain depths of the water surface
True turbidity data.By being measured with " Code for measurement of sus pended sediment in open channels " (GB/T 50159-2015) national standard method
Data modeled, establishing is suitable for measuring local mathematical model, and measurement result accuracy is high.
Preferably, determining sand by infrared analysis sensor is surveyed as turbidity, and the definition of turbidity is that 1 turbidity (NTU) is two of 1L water containing 1mg
Silicon oxide particle, the unit on the hydrology are 0.001kg/m3.A is 0.01.
Further, mathematical model described in step S4 are as follows:
Y '=a ' Y+b or Y '=a ' Y2+bY+c
Wherein, Y ' is the silt content data of national standard method measurement, and a, b, c are coefficient.
Further, the distance between determining sand by infrared analysis sensor and the water surface are 0.5~1m in step S1.
Preferably, linear equation with one unknown or unitary are pressed respectively using the rear scattering of determining sand by infrared analysis sensor or sidescattering data
Quadratic equation, the data opening relationships measured with national standard method select the regression coefficient closer to 1 according to regression coefficient
Relational expression, the relational expression as silt content model.
Compared with prior art, the utility model has the following beneficial effects:
The present utility model people has been surprisingly found that the relation curve of sediment content and the depth of water and determining sand by infrared analysis sensor exist
Measurement precision of the different water depth difference sediment concentration difference water flow under influences, thus the husky dress of the automatic survey of the utility model
That sets initiative uses floating measurement scheme, is ensured by height adjustment device infrared in different time sections or different water levels
Surveying husky sensor can keep same distance to measure with the water surface, effectively raise measurement accuracy and accuracy.
The utility model measures standard using determining sand by infrared analysis sensor by measuring sediment content apart from the certain depths of the water surface
True turbidity data.By being modeled with the data that national standard method measures, establishing is suitable for measuring local mathematical modulo
Type, measurement result accuracy are high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that infrared optics formula surveys husky device automatically；
Data (artificial to survey husky data) foundation that Fig. 2 measures for the rear scattering of determining sand by infrared analysis sensor with national standard method
Mathematical model；
Data (artificial to survey husky data) foundation that Fig. 3 measures for the sidescattering and national standard method of determining sand by infrared analysis sensor
Mathematical model；
Fig. 4 is display of the sand meter data in display interface.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in Figure 1, a kind of infrared optics formula under low suspended load silt content surveys husky device automatically, including guide rail 1, set
It is placed on guide rail 1 and is directly or indirectly driven along about 1 guide rail along the pulley gear 2 that guide rail 1 moves, and by pulley gear 2
Height adjustment device 3, determining sand by infrared analysis sensor 4 and the data acquisition of movement and control module 5.Height adjustment device 3 makes red
Exterior measuring sand sensor 4 and the water surface keep certain distance.The direction of determining sand by infrared analysis sensor 4 is parallel with the water surface.Data acquisition with
Control module 5 is to data processing and communication.
Determining sand by infrared analysis sensor 4 scatters after including and two optical sensors of sidescattering and temperature sensor.
The husky device initiative of the automatic survey of the present embodiment uses floating measurement scheme, is ensured by height adjustment device 3
In different time sections or different water levels, determining sand by infrared analysis sensor 4 can keep same distance measure with the water surface, have
Effect improves measurement accuracy and accuracy.
Determining sand by infrared analysis sensor 4 is arranged on height adjustment device 3, and height adjustment device 3 is floating drum, and the buoyancy of floating drum is big
Small is to ensure that determining sand by infrared analysis sensor is kept at the depth of water of 0.7m under water.What is measured at the depth of water between the 0.7m of underwater contains
Sand amount is most representative, accuracy and accuracy also highest.
Floating drum is equipped with Water depth measuring sensor 6.Floating drum is equipped with fluorescence buoy.Floating drum is equipped with vertical straight-bar, sets on guide rail
There is water level observation scale.The length of straight-bar is greater than floating drum at a distance from the water surface.The utility model can also pass through straight-bar and water level
Observation scale is in conjunction with come the depth of water of observing determining sand by infrared analysis sensor.
Height adjustment device 3 is equipped with the bracket 7 for installation data acquisition and control module 5.The length of bracket 7 is big
In the distance between height adjustment device 3 and the water surface.Bracket is avoided for ensuring that data acquisition is exposed the surface with control module 5
Long period of soaking and damage.
Bracket 7 is equipped with height adjuster 8, in different waters according to the demand to sound the depth of the water, and adjusts the height of bracket.It is high
Degree adjuster 8 is telescopic sleeve.
Pulley gear 2 includes at least two pulleys 21 and mounting bracket 22.Pulley 21 is set in mounting bracket 22.Pulley
21 on guide rail 1 groove or protrusion match.Mounting bracket 22 is connect with floating drum.
Mounting bracket 22 is connect by anchor ear 24 with floating drum.
Pulley gear 2 is equipped with mesh enclosure to cover.Mesh enclosure covers pulley gear 2 in order to avoid sundries blocks pulley gear 2 in water.
Floating drum is equipped with the holder 31 for adjusting orientation, and determining sand by infrared analysis sensor 4 is arranged on holder 31.Holder 31 is
Three-dimensional holder or ball-shaped cloud platform etc..
Holder is electric platform, and the electric platform is realized by two operating motors, and motor receives to carry out automatic control
The signal of device processed accurately runs positioning.Under the influence of control signals, the determining sand by infrared analysis sensor on holder can adjust direction,
Direction can also be adjusted under the manipulation of monitoring center operator on duty.
Determining sand by infrared analysis sensor 4 is equipped with orientation detection sensor 41.Orientation detection sensor 41 and data acquisition and control
Molding block 5 connects.Three accelerometer, gyroscope and the Gauss meter sensors integrated of orientation detection sensor 41
By obtaining the posture of current time tracker compared with gravity when static and earth's magnetic field, carried out in conjunction with posture and acceleration
Integral obtains spatial position.Orientation detection sensor 41 is able to detect the orientation of determining sand by infrared analysis sensor 4, avoids rushing because of water flow etc.
It hits and changes direction, influence detection accuracy.
A kind of infrared optics formula under low suspended load silt content surveys the survey method for determining sand of husky device automatically, including following
Step:
S1. the distance between determining sand by infrared analysis sensor and the water surface are adjusted；Measurement first preheater apparatus before starting, until instrument is surveyed
The temperature difference of amount front and back is no more than 0.5 DEG C, starts formally to measure again after reaching equalized temperature；
S2. data acquisition and control module receive and process determining sand by infrared analysis to determining sand by infrared analysis sensor transmission measurement instruction
The turbidity data that sensor returns determines a need for resurveying according to the size of standard deviation；
S3. the relationship of turbidity data and silt content is established:
Y=aX, wherein Y is silt content, and X is turbidity, and a is coefficient；
S4. the silt content data founding mathematical models of silt content and national standard method measurement are established；
S5., the mathematical model that the turbidity data measured is substituted into S4, acquires practical silt content.
Determining sand by infrared analysis sensor is surveyed as turbidity, and the definition of turbidity is that 1 turbidity (NTU) is silica of the 1L water containing 1mg
Particle, the unit on the hydrology are 0.001kg/m3.A is 0.01.
Mathematical model described in step S4 are as follows:
Y '=a ' Y+b or Y '=a ' Y2+bY+c
Wherein, Y ' is the silt content data of national standard method measurement, and a, b, c are coefficient.
The distance between determining sand by infrared analysis sensor and the water surface are 0.5~1m in step S1.
Linear equation with one unknown or One- place 2-th Order side are pressed respectively using the rear scattering or sidescattering data of determining sand by infrared analysis sensor
Journey, the data opening relationships measured with national standard method select the relationship of the regression coefficient closer to 1 according to regression coefficient
Formula, the relational expression as silt content model.
Example is as follows:
Table 1 is the rear scattering or sidescattering data of determining sand by infrared analysis sensor, and " Code for measurement of sus pended sediment in open channels "
The data (artificial to survey husky data) that (GB/T 50159-2015) national standard method measures.
| Sand meter data-scatter afterwards | Sand meter data-sidescattering | It is artificial to survey husky data |
| 11.1 | 16.6 | 0.021 |
| 13.3 | 19.9 | 0.022 |
| 13.6 | 20.4 | 0.022 |
| 20.0 | 16.1 | 0.014 |
| 25.0 | 37.5 | 0.012 |
| 9.3 | 14.0 | 0.011 |
| 7.3 | 11.0 | 0.006 |
| 9.2 | 13.8 | 0.016 |
| 8.3 | 12.5 | 0.036 |
| 11.1 | 16.6 | 0.034 |
| 29.1 | 43.7 | 0.038 |
| 26.2 | 39.3 | 0.063 |
| 40.3 | 60.4 | 0.09 |
| 49.3 | 73.9 | 0.141 |
| 100.0 | 123.5 | 0.224 |
| 179.0 | 198.6 | 0.299 |
| 67.1 | 100.6 | 0.189 |
| 90.0 | 59.0 | 0.072 |
| 54.7 | 82.0 | 0.085 |
| 50.4 | 75.6 | 0.116 |
| 77.0 | 80.0 | 0.129 |
| 98.7 | 148.0 | 0.207 |
| 148.7 | 223.0 | 0.364 |
| 401.1 | 601.7 | 0.77 |
| 400.1 | 600.2 | 0.73 |
| 342.0 | 513.0 | 0.697 |
| 233.3 | 350.0 | 0.521 |
Wherein, rear scattering data with
As shown in Fig. 2, the data that the rear scattering of determining sand by infrared analysis sensor and national standard method measure are (artificial to survey husky number
According to) establish mathematical model are as follows: Y=0.0019X+0.0013, R2=0.9734
As shown in figure 3, the data that the sidescattering of determining sand by infrared analysis sensor and national standard method measure are (artificial to survey husky number
According to) establish mathematical model are as follows: Y=0.0014X+0.011, R2=0.9821
After silt content model foundation, sand meter data can be used for calculating silt content and show in display interface, use center
Line smoothing processing and after simplifying extracts, example such as Fig. 4 (meet in SL 247-2012 hydrological data reduction code, 4.7.2 is outstanding
The requirement of silt materials compilation data).
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (7)
1. a kind of infrared optics formula under low suspended load silt content surveys husky device automatically, which is characterized in that including guide rail, setting
In on guide rail and the pulley gear that moves along the rail, and the height to move up and down along guide rail is directly or indirectly driven by pulley gear
Spend regulating device, determining sand by infrared analysis sensor and data acquisition and control module；The height adjustment device passes determining sand by infrared analysis
Sensor is kept at a distance with the water surface；The data acquisition and control module are to data processing and communication.
2. the infrared optics formula under low suspended load silt content surveys husky device automatically according to claim 1, which is characterized in that
The determining sand by infrared analysis sensor is arranged on height adjustment device, and the height adjustment device is floating drum or floating ball；The floating drum
Buoyancy size be to ensure that determining sand by infrared analysis sensor is kept at the depth of water between 0.5~1m under water.
3. the infrared optics formula under low suspended load silt content surveys husky device automatically according to claim 1, which is characterized in that
The height adjustment device is equipped with the bracket for installation data acquisition and control module, and the length of the bracket is greater than height
Spend the distance between regulating device and the water surface.
4. the infrared optics formula under low suspended load silt content surveys husky device automatically according to claim 1, which is characterized in that
The pulley gear includes at least two pulleys and mounting bracket, and the pulley is set in mounting bracket；The pulley with lead
Groove or protrusion on rail match；The mounting bracket is connect with floating drum.
5. the infrared optics formula under low suspended load silt content surveys husky device automatically according to claim 1, which is characterized in that
The pulley gear is equipped with mesh enclosure to cover；The direction of the determining sand by infrared analysis sensor is parallel with the water surface.
6. the infrared optics formula under low suspended load silt content surveys husky device automatically according to claim 2, which is characterized in that
The height adjustment device is equipped with the holder for adjusting orientation, and the determining sand by infrared analysis sensor is arranged on holder.
7. the infrared optics formula under low suspended load silt content surveys husky device automatically according to claim 1, which is characterized in that
The determining sand by infrared analysis covers disposed on sensor has orientation detection sensor；The orientation detection sensor and data acquisition and control module
Connection.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991262A (en) * | 2017-12-29 | 2018-05-04 | 广州和时通电子科技有限公司 | A kind of infrared optics formula under low suspended load silt content surveys husky apparatus and method automatically |
| CN108037054A (en) * | 2017-12-29 | 2018-05-15 | 广州和时通电子科技有限公司 | A kind of husky apparatus and method of automatic survey equipped with orientation detection sensor |
-
2017
- 2017-12-29 CN CN201721876497.9U patent/CN208847652U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991262A (en) * | 2017-12-29 | 2018-05-04 | 广州和时通电子科技有限公司 | A kind of infrared optics formula under low suspended load silt content surveys husky apparatus and method automatically |
| CN108037054A (en) * | 2017-12-29 | 2018-05-15 | 广州和时通电子科技有限公司 | A kind of husky apparatus and method of automatic survey equipped with orientation detection sensor |
| CN107991262B (en) * | 2017-12-29 | 2023-08-29 | 广州和时通电子科技有限公司 | Infrared optical automatic sand measuring device and method under low suspended load sand content |
| CN108037054B (en) * | 2017-12-29 | 2024-02-02 | 广州和时通电子科技有限公司 | Automatic sand measuring device and method with azimuth detection sensor |
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