CN107884321A - A kind of river sediment concentration measurement apparatus and method - Google Patents
A kind of river sediment concentration measurement apparatus and method Download PDFInfo
- Publication number
- CN107884321A CN107884321A CN201710904493.5A CN201710904493A CN107884321A CN 107884321 A CN107884321 A CN 107884321A CN 201710904493 A CN201710904493 A CN 201710904493A CN 107884321 A CN107884321 A CN 107884321A
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- Prior art keywords
- river
- sampling
- water inlet
- infrared
- sediment concentration
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Links
- 239000013049 sediment Substances 0.000 title claims abstract description 28
- 238000005259 measurement Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000005070 sampling Methods 0.000 claims abstract description 35
- 239000004576 sand Substances 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 5
- 238000012913 prioritisation Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G01N15/075—
Abstract
The invention discloses a kind of river sediment concentration measurement apparatus and method, the device includes sampling apparatus and power module, determining sand by infrared analysis sensor, modulation circuit, signal processing circuit, master controller for power supply；The sampling apparatus, for river sampling, including water tank and water inlet pipe, water inlet is provided with the side wall of the water tank, the water inlet pipe is connected with water inlet；The modulation circuit is connected with the determining sand by infrared analysis sensor, for controlling determining sand by infrared analysis sensor emission to modulate infrared signal；The signal processing circuit, the electric signal for being exported to the determining sand by infrared analysis sensor is amplified and filtering process；The master controller is connected with the signal processing circuit, and the electric signal for being exported to the signal processing circuit is handled to obtain sampling the Remote Sensing of Suspended Sediment Concentration of river.
Description
Technical field
The present invention relates to a kind of river sediment concentration measurement apparatus and method, belong to flow measurement technical field.
Background technology
Hekou Area is both the main diffusion region of sea suspension bed sediment, the receiving area of busy upstream bed load transport matter.In river
Sea crosses, lifted through the mutual growth and decline of trend, fresh and salt water mixing, stormy waves under a variety of effects such as sand, the sediment movement pole in entrance bar area
It is active, and bed-sit exchanges frequently with outstanding sand.Harbour, navigation channel and ecological environment etc. in the distribution, diffusion, settlement influence for hanging sand.
Circulation of the sediment movement to global environment and water and nutrients has a major impact, and sediment control is that river is controlled with soil
The key of reason, and the important content of coastal ocean environmental improvement.Sediment control needs the silt data of in-site measurement, therefore,
The measurement of sediment concentration is more paid attention to.
The content of the invention
In view of the above-mentioned problems, the technical problems to be solved by the invention be to provide a kind of river sediment concentration measurement apparatus and
Method, by determining sand by infrared analysis sensor, the Remote Sensing of Suspended Sediment Concentration of river is measured.
The present invention uses following technical scheme to solve above-mentioned technical problem：
On the one hand, the present invention provides a kind of river sediment concentration measurement apparatus, and the device includes sampling apparatus and for powering
Power module, determining sand by infrared analysis sensor, modulation circuit, signal processing circuit, master controller；The sampling apparatus, for river
Water sampling, including water tank and water inlet pipe, water inlet are provided with the side wall of the water tank, the water inlet pipe is connected with water inlet；
The modulation circuit is connected with the determining sand by infrared analysis sensor, for controlling determining sand by infrared analysis sensor emission modulation infrared light letter
Number；The signal processing circuit, the electric signal for being exported to the determining sand by infrared analysis sensor is amplified and filtering process；Institute
Master controller is stated to be connected with the signal processing circuit, the electric signal for being exported to the signal processing circuit handled with
Obtain sampling the Remote Sensing of Suspended Sediment Concentration of river.
As the further prioritization scheme of the present invention, the determining sand by infrared analysis sensor includes infrared-emitting diode and infrared
Reception diode, the infrared-emitting diode launch modulation Infrared irradiation sampling river under the control of the modulation circuit
Scattering light is produced, the infrared receiving diode receives scattered light signal and is converted to electric signal.
As the further prioritization scheme of the present invention, the sampling apparatus also includes the valve being arranged on water inlet pipe, leads to
Valve is overregulated to ensure that the flow velocity of water inlet is consistent with ambient water flow velocity, accurately to complete river water sampling.
As the further prioritization scheme of the present invention, the band that the sampling apparatus also includes being connected with water inlet pipe is graduated
Mark post, to record the depth value of actual samples position, realize being accurately positioned for sampling location.
As the further prioritization scheme of the present invention, the signal processing circuit includes the first to the 5th resistance, the first and
Second electric capacity and the first and second operational amplifiers, one end of first resistor, one end of the first electric capacity are grounded respectively, the first electricity
The other end of resistance connects one end of 3rd resistor, the negative input end of the first operational amplifier, the other end point of 3rd resistor respectively
Output end, one end of the 4th resistance of the first operational amplifier are not connected, and the other end of the 4th resistance connects the 5th point of electricity respectively
One end of resistance, one end of the second electric capacity, the other end of the 5th resistance connect the other end of the first electric capacity, the second operation amplifier respectively
The positive input terminal of device, the other end of the second electric capacity connect the output end and negative input end of the second operational amplifier, the first fortune respectively
Calculate the positive input terminal connection second resistance of amplifier.
On the other hand, the present invention, which also provides, a kind of is measured using river sediment concentration measurement apparatus as described above
Method, first, by the water inlet face river direction of flow of sampling apparatus, carry out river sampling；Secondly, start determining sand by infrared analysis to pass
Sensor measures；Finally, master controller transmits measurement result to remote control center.
The present invention uses above technical scheme compared with prior art, river sediment concentration measurement apparatus of the invention and side
Method, by determining sand by infrared analysis sensor, the Remote Sensing of Suspended Sediment Concentration of river is measured, it is simple and convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Wherein, 1- water inlets, 2- valves, 3- modulation circuits, 4- determining sand by infrared analysis sensors, 5- signal processing circuits, 6- master
Controller, 7- wireless transport modules, 8- mark posts, 9- water inlet pipes.
Fig. 2 is the structural representation of signal processing circuit.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
The present invention provides a kind of river sediment concentration measurement apparatus, as shown in figure 1, the device includes sampling apparatus and for supplying
Power module, determining sand by infrared analysis sensor, modulation circuit, signal processing circuit, the master controller of electricity；The sampling apparatus, is used for
River is sampled, including water tank and water inlet pipe, and water inlet is provided with the side wall of the water tank, and the water inlet pipe connects with water inlet
Connect；The modulation circuit is connected with the determining sand by infrared analysis sensor, for controlling determining sand by infrared analysis sensor emission to modulate infrared light
Signal；The signal processing circuit, the electric signal for being exported to the determining sand by infrared analysis sensor is amplified and filtering process；
The master controller is connected with the signal processing circuit, and the electric signal for being exported to the signal processing circuit is handled
To obtain sampling the Remote Sensing of Suspended Sediment Concentration of river.
Wherein, the determining sand by infrared analysis sensor includes infrared-emitting diode and infrared receiving diode, the infrared hair
Penetrate diode and launch modulation Infrared irradiation sampling river under the control of the modulation circuit and produce scattering light, it is described infrared to connect
Diode is received to receive scattered light signal and be converted to electric signal.
Wherein, the sampling apparatus also includes the valve being arranged on water inlet pipe, ensures water inlet by control valve
Flow velocity it is consistent with ambient water flow velocity, accurately to complete river water sampling；Also include the graduated mark of band being connected with water inlet pipe
Bar, to record the depth value of actual samples position, being accurately positioned for sampling location is realized, and the mark post is detachable.
As shown in Fig. 2 the signal processing circuit includes the first to the 5th resistance, the first and second electric capacity and the first and
Second operational amplifier, one end of first resistor, one end of the first electric capacity are grounded respectively, and the other end of first resistor connects respectively
One end of 3rd resistor, the negative input end of the first operational amplifier, the other end of 3rd resistor connect the first operation amplifier respectively
One end of the output end of device, the 4th resistance, the other end of the 4th resistance connect one end of the 5th resistance, the second electric capacity respectively
One end, the other end of the 5th resistance connect the other end of the first electric capacity, the positive input terminal of the second operational amplifier, the second electricity respectively
The other end of appearance connects the output end and negative input end of the second operational amplifier respectively, and the positive input terminal of the first operational amplifier connects
Connect second resistance.
A kind of river sediment concentration measuring method of the present invention, first, by the water inlet face river incoming side of sampling apparatus
To progress river sampling；Secondly, start determining sand by infrared analysis sensor to measure；Finally, main controller controls display is shown
Show, and remote control center is transmitted measurement result to by wireless transport module.
It is described above, it is only the embodiment in the present invention, but protection scope of the present invention is not limited thereto, and is appointed
What be familiar with the people of the technology disclosed herein technical scope in, it will be appreciated that the conversion or replacement expected, should all cover
Within the scope of the present invention, therefore, protection scope of the present invention should be defined by the protection domain of claims.
Claims (6)
1. a kind of river sediment concentration measurement apparatus, it is characterised in that the device includes sampling apparatus and the electricity for power supply
Source module, determining sand by infrared analysis sensor, modulation circuit, signal processing circuit, master controller；
The sampling apparatus, for river sampling, including water tank and water inlet pipe, water inlet is provided with the side wall of the water tank,
The water inlet pipe is connected with water inlet；
The modulation circuit is connected with the determining sand by infrared analysis sensor, for controlling determining sand by infrared analysis sensor emission to modulate infrared light
Signal；
The signal processing circuit, the electric signal for being exported to the determining sand by infrared analysis sensor is amplified and filtering process；
The master controller is connected with the signal processing circuit, and the electric signal for being exported to the signal processing circuit is carried out
Handle to obtain sampling the Remote Sensing of Suspended Sediment Concentration of river.
A kind of 2. river sediment concentration measurement apparatus according to claim 1, it is characterised in that the determining sand by infrared analysis sensing
Device includes infrared-emitting diode and infrared receiving diode, and the infrared-emitting diode is under the control of the modulation circuit
Transmitting modulation Infrared irradiation sampling river produces scattering light, and the infrared receiving diode receives scattered light signal and is converted to
Electric signal.
3. a kind of river sediment concentration measurement apparatus according to claim 1, it is characterised in that the sampling apparatus also wraps
The valve on water inlet pipe is included, ensures that the flow velocity of water inlet is consistent with ambient water flow velocity by control valve, with standard
Really complete river water sampling.
4. a kind of river sediment concentration measurement apparatus according to claim 1, it is characterised in that the sampling apparatus also wraps
The graduated mark post of the band being connected with water inlet pipe is included, to record the depth value of actual samples position, realizes the accurate of sampling location
Positioning.
A kind of 5. river sediment concentration measurement apparatus according to claim 1, it is characterised in that the signal processing circuit
Including the first to the 5th resistance, the first and second electric capacity and the first and second operational amplifiers, one end of first resistor, first
One end of electric capacity is grounded respectively, the other end of first resistor connect respectively one end of 3rd resistor, the first operational amplifier it is negative
Input, the other end of 3rd resistor connect the output end of the first operational amplifier, one end of the 4th resistance, the 4th resistance respectively
The other end connect one end of the 5th resistance, one end of the second electric capacity respectively, the other end of the 5th resistance connects first respectively
The positive input terminal of the other end of electric capacity, the second operational amplifier, the other end of the second electric capacity connect the second operational amplifier respectively
Output end and negative input end, the first operational amplifier positive input terminal connection second resistance.
6. a kind of method that river sediment concentration measurement apparatus using as described in any in claim 1 to 5 measures, its
It is characterised by, first, by the water inlet face river direction of flow of sampling apparatus, carries out river sampling；Secondly, infrared survey is started
Husky sensor measures；Finally, master controller transmits measurement result to remote control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904493.5A CN107884321A (en) | 2017-09-29 | 2017-09-29 | A kind of river sediment concentration measurement apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710904493.5A CN107884321A (en) | 2017-09-29 | 2017-09-29 | A kind of river sediment concentration measurement apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107884321A true CN107884321A (en) | 2018-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710904493.5A Pending CN107884321A (en) | 2017-09-29 | 2017-09-29 | A kind of river sediment concentration measurement apparatus and method |
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| Country | Link |
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| CN (1) | CN107884321A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650103A (en) * | 2020-06-12 | 2020-09-11 | 河海大学 | Floated runoff silt content monitoring devices |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932481A (en) * | 2006-09-29 | 2007-03-21 | 中国科学院力学研究所 | Method for determining sand by infrared analysis |
| CN102621047A (en) * | 2012-03-31 | 2012-08-01 | 中国农业大学 | Sediment content reflective measuring method and sediment content reflective measuring device |
| CN103048251A (en) * | 2012-12-28 | 2013-04-17 | 长江水利委员会水文局 | OBS (optical back scattering) working state detector |
| CN105823758A (en) * | 2016-05-27 | 2016-08-03 | 黑龙江省水土保持科学研究院 | Backward scattering type infrared silt measurement sensor |
| CN106840988A (en) * | 2017-03-27 | 2017-06-13 | 河海大学 | A kind of measurement apparatus and method of the vertical sediment concentration in river |
| CN206387696U (en) * | 2017-01-23 | 2017-08-08 | 武汉大学 | It is a kind of to extend to higher sediment concentration measurement and the device of analysis of experiments |
-
2017
- 2017-09-29 CN CN201710904493.5A patent/CN107884321A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932481A (en) * | 2006-09-29 | 2007-03-21 | 中国科学院力学研究所 | Method for determining sand by infrared analysis |
| CN102621047A (en) * | 2012-03-31 | 2012-08-01 | 中国农业大学 | Sediment content reflective measuring method and sediment content reflective measuring device |
| CN103048251A (en) * | 2012-12-28 | 2013-04-17 | 长江水利委员会水文局 | OBS (optical back scattering) working state detector |
| CN105823758A (en) * | 2016-05-27 | 2016-08-03 | 黑龙江省水土保持科学研究院 | Backward scattering type infrared silt measurement sensor |
| CN206387696U (en) * | 2017-01-23 | 2017-08-08 | 武汉大学 | It is a kind of to extend to higher sediment concentration measurement and the device of analysis of experiments |
| CN106840988A (en) * | 2017-03-27 | 2017-06-13 | 河海大学 | A kind of measurement apparatus and method of the vertical sediment concentration in river |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650103A (en) * | 2020-06-12 | 2020-09-11 | 河海大学 | Floated runoff silt content monitoring devices |
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| PB01 | Publication | ||
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Application publication date: 20180406 |