CN106932297A - Sediment charge automatic measurement system in a kind of runoff - Google Patents
Sediment charge automatic measurement system in a kind of runoff Download PDFInfo
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- CN106932297A CN106932297A CN201710145782.1A CN201710145782A CN106932297A CN 106932297 A CN106932297 A CN 106932297A CN 201710145782 A CN201710145782 A CN 201710145782A CN 106932297 A CN106932297 A CN 106932297A
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- water
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- runoff
- sample holder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
Abstract
The invention discloses sediment charge automatic measurement system in a kind of runoff, including：Sample holder, its upper lateral part is provided with water inlet, and water pump is provided with water inlet, and the bottom of sample holder is provided with discharge outlet, and discharging valve is provided with discharge outlet, and the upper and lower ends of sample holder are respectively arranged with first support and second support；Analyzer, it is arranged at sample holder middle part, and top connects annulus by steel wire, and annulus is hung in the first support；Weigh inductor, its top for being arranged at annulus, one end is connected by steel wire with annulus, and the other end is then connected by steel wire with hoist；Controller, it is electrically connected with water pump, hoist, inductor of weighing, discharging valve, rainfall gauge, water-level gauge.Sediment charge automatic measurement system in runoff of the invention, it is not necessary to the process such as artificial sample, filtering, drying, can carry out real-time automatic monitoring to the sediment charge in slope runoff, river flow.
Description
Technical field
The present invention relates to field of measuring technique, sediment charge automatic measurement system in more particularly to a kind of runoff.
Background technology
Silt in runoff is formed by slope soil erosion in Precipitation Process, be particle it is relatively thin, can be with domatic footpath
The silt that stream collects to raceway groove together, sediment charge is to determine the key parameter of Soil Erosion in Small Watershed modulus, is Soil Slope
Corrode and one of index of necessary Accurate Determining, the finger that must be even more determined for a long time in soil loss monitoring in research soil and water conservation
Mark.
At present, sediment charge generally takes muddy water sample by field in runoff, is surveyed using the method for filtering, drying indoors
It is fixed, it is impossible to carry out real-time monitoring, and need long-term standing fast in the wild to be only possible to complete sampling process, lab analysis is time-consuming to take
Power, it is this especially when the monitoring of slope runoff sediment charge is carried out at night and remote mountain areas, it is easy to test leakage phenomenon occur
The observation procedure of field sampling cannot also be realized carrying out real-time dynamic monitoring to sediment charge in runoff and silt Sediment Transport Process.It is existing
It is all that silt content is determined by quantifying influence of the silt to certain physical characteristic to have method, and such as vibratory drilling method, supercritical ultrasonics technology, γ is penetrated
Collimation method, capacitance method, photoelectric method etc..Vibratory drilling method calculates silt content by vibration frequency, but in low flow velocity, it may appear that silt sinks
Product problem, causes larger error.Reflection and attenuation characteristic measurement current of the supercritical ultrasonics technology according to ultrasonic wave in silt carrying flow contain
Sha Liang, but measurement range is small, and the country yet there are no product.What gamma-rays method was followed when passing through water sand mixture according to gamma-rays declines
Subtract rule to measure, but because gamma-rays may be used with caution do harm to huamn body.Capacitance method can be caused using water sand mixture
The electric physical property of difference in dielectric constant measures silt content, but its precision can be disturbed by many factors such as temperature, flow velocitys.
Scattering Rules of the photoelectric method using light in water body are measured, and have OBS transmissometers using more instrument at present, but it holds
Easily there is window pollution problem, influence the scattering of IR, and as pendulous frequency increases, error will be accumulated gradually.
It can be seen that there is presently no the instrument for being preferably capable of automatic measurement and real-time monitoring radial flow sediment content.In order to realize
Sediment charge in runoff is automatically determined with long-term real-time monitoring, it is necessary to a kind of unattended automatic measurement system.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of automatic measurement system of sediment charge in runoff, and it overcomes
The drawbacks described above of prior art, for realizing carrying out automatic measurement and real-time monitoring to sediment charge in runoff.
The technical problems to be solved by the invention are achieved through the following technical solutions：
A kind of sediment charge automatic measurement system in runoff, it is characterised in that sediment charge automatic measurement in the runoff
System includes：
Sample holder, it is cylindric, and the upper lateral part of the sample holder is provided with water inlet, water is provided with the water inlet
Pump, the bottom of the sample holder is provided with discharge outlet, and discharging valve, the upper and lower ends of the sample holder are provided with the discharge outlet
It is respectively arranged with first support and second support；
Analyzer, it is arranged at the sample holder middle part, and the top of the analyzer connects annulus, the circle by steel wire
Ring is hung in the first support；
Weigh inductor, its top for being arranged at the annulus, one end of the inductor of weighing by steel wire with it is described
Annulus is connected, and the other end is then connected by steel wire with the hoist being disposed above；
Controller, it is with the water pump, the hoist, described weigh inductor and the discharging valve is electrically connected, institute
State controller for according to entry condition set in advance respectively to the water pump, the hoist engine, it is described weigh inductor with
And the discharging valve sends instruction, and control the water pump, the hoist, weigh inductor and the discharging valve
Operation.
Preferably, in above-mentioned technical proposal, sediment charge automatic measurement system also includes in the runoff of the invention：
Rainfall gauge, it is electrically connected with the controller, for determining rainfall, and rainfall data is transferred into the control
Device is preserved；
Water-level gauge, it is electrically connected with the controller, for determining water level, and waterlevel data is transferred into the controller
Preserve.
Preferably, in above-mentioned technical proposal, sediment charge automatic measurement system also includes in the runoff of the invention：
Base, its lower section for being arranged at the second support, for fixing the second support.
Preferably, in above-mentioned technical proposal, the top of the sample holder is cylindrical shape, and bottom is cone, for containing mud
Husky water sample.
Preferably, in above-mentioned technical proposal, the analyzer is used to determine the sediment charge of muddy water in sample holder, and it is olive
The constant hollow closed container of the volume and weight of olive shape, the outside of the closed container scribbles one layer prevents what muddy water from adhering to
Material.
Preferably, in above-mentioned technical proposal, the inductor of weighing is used to weigh weight of the analyzer in muddy water,
And the time weighed and weight data are transferred to the controller.
Preferably, in above-mentioned technical proposal, the first support is "ON" font, with upper and lower two be parallel to each other
Crossbearer, the hoist and the annulus are respectively mounted and are fixed on upper and lower two crossbearers.
Preferably, in above-mentioned technical proposal, the hoist passes through the annulus by institute under the instruction of the controller
State analyzer to be sling from muddy water, and again put the analyzer by the annulus after the inductor of weighing completes to weigh
Return in the first support.
Preferably, in above-mentioned technical proposal, the muddy water sample that the water inlet is used to extract on water pump injects the sample holder
In；The discharge outlet is used for the muddy water sample emptying in the sample holder；The discharging valve is used for the finger according to the controller
Valve is opened in order, and the muddy water sample in the sample holder is excluded by the discharge outlet, and after a certain time or next time institute
Valve is closed before stating starting mode of pump.
Preferably, in above-mentioned technical proposal, the rainfall is calculated as tipping bucket type pluviograph；The water level is calculated as ultrasonic wave
Formula self recording level meter.
Preferably, in above-mentioned technical proposal, the discharging valve is magnetic valve, a diameter of 5cm of the annulus.
Above-mentioned technical proposal of the present invention, has the advantages that：
First, in runoff of the invention sediment charge automatic measurement system, can utilize rainfall gauge observation rainfall letter
Number or the water level signal that determines of water-level gauge, or at the time point being pre-designed, trigger controller start water pump regulation when
The interior muddy water sample to injection certain volume in sample holder, and analyzer is weighed by inductor of weighing, last controller root
According to weighing data, the sediment charge in runoff is calculated, complete once automatic monitoring.
Secondly, can be previously entered to entry condition in controller by the present invention, using rainfall gauge, the observation number of water-level gauge
Start according to triggering system, sampled automatically, measurement process, sediment charge is calculated automatically using program.Whole monitoring process
Artificial on duty and sampling is not needed, monitoring efficiency has been greatly improved and has been reduced hand labor.
Again, the present invention is counted by automatically determining weight of the analyzer known to volume and weight in muddy water sample to be measured
Muddy water sample unit weight to be measured is calculated, then sediment charge can be calculated according to sediment charge computing formula proposed by the present invention.
Finally, the present invention does not need the processes such as artificial sample, filtering, drying, can be in slope runoff, river flow
Sediment charge carries out real-time automatic monitoring.
Brief description of the drawings
Fig. 1 is the schematic diagram of the automatic measurement system of sediment charge in runoff of the invention.
Wherein：Weigh inductor, 4- hoists, 5- water pumps, 6- controllers, 7- of 1- sample holders, 2- analyzers, 3- discharges water
Valve, 8- water inlets, 9- discharge outlet, 10- annulus, 11- first supports, 12- rainfall gauges, 13- water-level gauges, 14- second supports, 15-
Base.
Specific embodiment
Specific embodiment of the invention is described in detail below, in order to further understand the present invention.
All experimental techniques for using unless otherwise specified, are conventional method in following examples.
Material used, reagent etc. in following examples, unless otherwise specified, can be obtained by commercial sources.
Fig. 1 is the schematic diagram of the automatic measurement system of sediment charge in a kind of runoff of the invention.As shown in Figure 1：
The present invention provides a kind of automatic measurement system of sediment charge in runoff, and the measurement system instrument includes sample holder 1, surveys
Determine device 2, inductor 3 of weighing, hoist 4, water pump 5, controller 6, discharging valve 7, water inlet 8, discharge outlet 9, annulus 10, support
11st, rainfall gauge 12, water-level gauge 13, support 14, base 15.
Specifically：
Sample holder 1, it is used to contain silt water sample, is shaped as cylindric (approximate bucket sample).Specifically, the sample holder 1
Upper lateral part be provided with water inlet 8, the water pump 5 that can be started or stoped according to the instruction of controller 6 is installed on the water inlet 8.
The bottom of the sample holder 1 is cone, and discharge outlet 9 is provided with the bottom, and being provided with discharge outlet 9 can be according to the finger of controller 6
The discharging valve 7 that order is opened or closed.The upper/lower terminal of sample holder 1 is respectively arranged with first support 11 and second support 14.It is preferred that
Ground, first support 11 is "ON" character form structure, that is to say, that it has upper and lower two crossbearers being parallel to each other, hoist 4 and circle
Ring 10 is separately mounted on upper and lower two crossbearers.The sample holder 1 is fixed on base 15 using second support 14, so as to realize
Sample holder 1 is fixed on base 15.Preferably, discharging valve 7 is magnetic valve, and the magnetic valve is electrically connected with controller 6 or cable connects
Connect.Certainly, the present invention is not limited thereto, and those skilled in the art can be adjusted correspondingly according to actual needs.
Analyzer 2, the effect of the analyzer 2 is for determining the sediment charge in sample holder 1, preferably one volume
All it is constant hollow closed container with weight.In order to prevent silt from sticking to outside analyzer, the shape of analyzer 2 is designed as
The structure of rugby shape, and the outside of the structure of the rugby shape scribbles one layer of material for preventing muddy water from adhering to.Analyzer 2 and circle
Ring 10 is hung in first support 11 after being connected with steel wire, while annulus 10 is connected by steel wire with the inductor 3 of weighing of top.For
The location of Accurate Determining sediment charge, analyzer 2 are at the middle part of sample holder 1, because in the muddy water sample of sample holder 1
Silt content gradually increases from top layer to bottom, and the sediment charge at middle part can represent the whole average shape for holding sample wherein sediment charge
Condition, so being positioned in the middle part of sample holder 1.Preferably, the annulus that the present invention is used is the annulus of diameter 5cm.Certainly, this hair
Bright to be not limited thereto, those skilled in the art can as needed carry out the adjustment of toroid size size.
Weigh inductor 3, the effect for weighing inductor 3 is the weight for weighing analyzer 2 in muddy water.This is weighed
The maximum capacity of inductor 3 is 2000g, and sensibility reciprocal is 0.01g.One of the inductor 3 of weighing is connected with annulus 10 with steel wire, another
Head is connected with hoist 4 with steel wire.Meanwhile, inductor 3 of weighing is electrically connected with controller 6, this makes it possible to realize weighing
Time and weight data be transferred to controller 6.
Hoist 4, the effect of the hoist 4 is for said determination device to be sling from first support 11, and using claiming
Weight inductor is weighed.Hoist 4 is electrically connected with controller 6, while being connected with the annulus 10 of analyzer 2 with steel wire.In control
Analyzer 2 is sling from muddy water by annulus 10 under the instruction of device processed 6, and is passed through again after inductor 3 of weighing completes to weigh
Annulus 10 puts back in first support 11 analyzer 2.That is, when controller 6 sends and weighs instruction, hoist 4 starts,
Analyzer 2 sling from first support 11 by steel wire and annulus 10 and completes to weigh, hoist 4 is anti-again after end of weighing
Turn, analyzer 2 is placed back in first support 11.Preferably, the annulus that the present invention is used is the annulus of diameter 5cm.Certainly,
The present invention is not limited thereto, and those skilled in the art can as needed carry out the adjustment of toroid size size.
Water pump 5, the effect of the water pump 5 is that muddy water sample is pumped into sample holder 1 for the instruction according to controller.Water pump 5
Electrically connected with controller 6, inject in sample holder 1 a certain amount of muddy water sample for the instruction according to controller 6, water pump 5 goes out
Mouth end connects the water inlet 8 of sample holder 1 with plastic tube, and entrance point installs plastic tube, and the other end insertion of plastic tube is to be monitored
In muddy water.
Controller 6, is in general microcomputer, controller 6 respectively with water pump 5, hoist engine 4, inductor 3 of weighing, put
Water valve 7, rainfall gauge 12, water-level gauge 13 are electrically connected.Can be previously set by interactive mode in the controller 6 whole
The startup time of individual measurement system, entry condition (such as rainfall, water level), and on startup between and entry condition meet after successively
Instruction is sent to water pump 5, hoist 4, inductor 3 of weighing, discharging valve 7, water pump 6 is sequentially completed to injecting muddy water in sample holder 1
Sample, hoist 4 are sling analyzer 2 by annulus 10 from muddy water, inductor 3 of weighing again will by annulus 10 after completing to weigh
Analyzer 2 is put back on support 11, discharging valve 7 open emptying sample holder 1 in muddy water sample and after a certain interval instruction put
The a series of activities such as the closing of water valve 7, and time, the weight data that inductor 3 of weighing is completed to weigh, and rainfall gauge, water level
The data of meter are stored in controller 6.
Controller 6 can also be connected with notebook computer, and all data download to notebook electricity in being stored in controller 6
In brain.
Discharging valve 7 is electrically connected with controller 6, for the instruction unpack valve according to controller 6, by the mud in sample holder 1
Water sample is excluded by discharge outlet 9, and closes valve after a certain time or before water pump 5 starts next time.
Water inlet 8 designs the upper lateral part in sample holder 1, is provided with water pump 5, for the muddy water sample injection for extracting water pump 5
In sample holder 1.
Discharge outlet 9 is designed in the bottom of sample holder 1, is provided with discharging valve 7, for the muddy water sample in sample holder 1 to be emptied.
Annulus 10, it is arranged on support 11, and annulus 10 1 is connected with steel wire with analyzer 2, other end steel wire and
Inductor 3 of weighing is connected.Annulus 10 in technical solution of the present invention is preferably the steel annulus of diameter 5cm.Certainly, the present invention simultaneously
It is not limited, those skilled in the art can as needed carry out the adjustment of toroid size size.
First support 11, it is fixed on sample holder 1, is "ON" font, and hoist 4 and annulus 10 are arranged on first support
On upper 11.
Rainfall gauge 12, the rainfall gauge 12 is electrically connected with controller 6, for determining rainfall, and rainfall data is transferred to
Controller 6 is preserved.Preferably, rainfall gauge of the invention 12 is tipping bucket type pluviograph.Certainly, the present invention not as
Limit, those skilled in the art can as needed carry out the replacement of like product.
Water-level gauge 13, the water-level gauge 13 is electrically connected with controller 6, for determining water level, and waterlevel data is transferred into control
Device processed 6 is preserved.Preferably, water-level gauge of the invention 13 is ultrasonic type self recording level meter.Certainly, the present invention not as
Limit, those skilled in the art can as needed carry out the replacement of like product.
Second support 14, its side lower part for being arranged on sample holder 1, for sample holder 1 to be fixed on into base 15.
Base 15, it is preferred that the base is the steel plate of thick 20cm*20cm*1cm, second support 14 be arranged on base 15 it
On.
Continuous mode of the invention is：
First, when the rainfall data of the measure of rainfall gauge 12 or the waterlevel data or minute of the measure of water-level gauge 13 reach thing
When being first input into entry condition in controller 6, controller 6 sends enabled instruction to water pump 5, and water pump 5 starts to draw water and will be prior
The muddy water sample of the certain volume for setting is injected into sample holder 1, and when the pump-out being previously set is reached, water pump 5 stops.
Then, the instruction of controller 6 hoist 4 starts, by inductor 3 and the lifting analyzer 2 of annulus 10 of weighing, in lifting
Inductor 3 of being weighed during analyzer 2 weighs up weight W of the analyzer 2 in muddy water sample, and by the time weighed and weight number
Preserved according to being sent in controller 6.
After data are preserved, the instruction hoist 4 of controller 6 starts, by weigh inductor 3 and annulus 10 by the weight of analyzer 2
Newly hang back on support 11, while the instruction discharging valve 7 of controller 6 is opened, the muddy water sample in emptying sample holder 1, between certain hour
Every it is rear or next time water pump 5 start preceding controller 6 instruction discharging valve 7 close, to be determined next time.
In the present invention, when the rainfall data of rainfall gauge measure or the waterlevel data or minute of water-level gauge measure reach thing
When being first input into entry condition in controller, controller sends enabled instruction to water pump, and water pump starts to draw water and will be previously set
The muddy water sample of certain volume be injected into sample holder, when the pump-out being previously set is reached, water pump stops.Then control
Device instruction hoist starts, by inductor and the annulus lifting analyzer, sensing of being weighed during analyzer is lifted of weighing
Device weighs up weight of the analyzer in muddy water sample, and the time weighed and weight data are sent in controller preserve.Data
Controller instruction discharging valve is opened after preservation, the muddy water sample in emptying sample holder, after a certain interval or next time water pump
Controller instruction discharging valve is closed before starting.
The measuring principle and computing formula of sediment charge are in present invention measure runoff：
If inductor 3 of being weighed when in sample holder 1 without muddy water sample weighs up the weight of analyzer 2 for W is empty, there is mud in sample holder 1
The weight that inductor 3 of being weighed during water sample weighs up analyzer 2 is W
Then：
Silt content is the silt weight in unit volume muddy water sample, i.e. WMud/V
rMuddy water=WMuddy water/ V=(WWater+WMud)/V=WWater/V+WMud/ V=1*VWater/V+WMud/V
=1* (V-VMud)/V+WMud/ V=1-VMud/V+WMud/ V=1-WMud/d/V+WMud/V
=1+ (1-1/d) WMud/V
WMud/ V=(rMuddy water-1)/(1-1/d)
V is the volume of muddy water sample；
VWaterIt is the volume of muddy water sample reclaimed water；
VMudIt is the volume of silt in muddy water sample；
WWaterIt is the weight of muddy water sample reclaimed water；
WMudIt is the weight of silt in muddy water sample；
D is the proportion of silt, and the proportion of water is 1；
The present invention is calculated and treated by automatically determining weight of the analyzer known to volume and weight in muddy water sample to be measured
The unit weight of muddy water sample is surveyed, then sediment charge can be calculated according to sediment charge computing formula proposed by the present invention.
The automatic measurement system of sediment charge in the runoff that the present invention is provided, can utilize the rainfall signal of rainfall gauge observation
Or the water level signal that water-level gauge is determined, or at the time point being pre-designed, trigger controller starts time of the water pump in regulation
It is interior and analyzer to be weighed by inductor of weighing to the muddy water sample that certain volume is injected in sample holder, last controller according to
Weighing data, calculates the sediment charge in runoff, completes once automatic monitoring.
Can be previously entered to entry condition in controller by the present invention, be touched using the observation data of rainfall gauge, water-level gauge
Hair system starts, and is sampled automatically, measurement process, and sediment charge is calculated using program excitement.Whole monitoring process is not required to
Artificial on duty and sampling is wanted, monitoring efficiency has been greatly improved and has been reduced hand labor.
The present invention is calculated and treated by automatically determining weight of the analyzer known to volume and weight in muddy water sample to be measured
Muddy water sample unit weight is surveyed, then sediment charge can be calculated according to sediment charge computing formula proposed by the present invention.
The present invention does not need the processes such as artificial sample, filtering, drying, can be to the silt in slope runoff, river flow
Content carries out real-time automatic monitoring.
Although the present invention is disclosed as above with embodiment, so it is not intended to limit the present invention, any people in the art
Member, without departing from the spirit and scope of the present invention, can make a variety of selections and modification, therefore protection model of the invention
Enclose and limited by claims and its equivalents.
Claims (10)
1. a kind of sediment charge automatic measurement system in runoff, it is characterised in that sediment charge automatic measurement system in the runoff
System includes：
Sample holder (1), it is cylindric, and the upper lateral part of the sample holder (1) is provided with water inlet (8), on the water inlet (8)
Water pump (5) is installed, the bottom of the sample holder (1) is provided with discharge outlet (9), discharging valve is provided with the discharge outlet (9)
(7), the upper and lower ends of the sample holder (1) are respectively arranged with first support (11) and second support (14)；
Analyzer (2), it is arranged at the sample holder (1) middle part, and the top of the analyzer (2) connects annulus by steel wire
(10), the annulus (10) is hung in the first support (11)；
Weigh inductor (3), its top for being arranged at the annulus (10), one end of the inductor of weighing (3) passes through steel wire
It is connected with the annulus (10), the other end is then connected by steel wire with the hoist (4) being disposed above；
Controller (6), itself and the water pump (5), the hoist (4), the inductor of weighing (3) and the discharging valve
(7) electrically connect, the controller (6) for according to entry condition set in advance respectively to the water pump (5), the hoist engine
(4), the inductor of weighing (3) and the discharging valve (7) send instruction, and control the water pump (5), the hoist
(4), the operation of the inductor of weighing (3) and the discharging valve (7).
2. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that silt in the runoff
Content automatic measurement system also includes：
Rainfall gauge (12), it is electrically connected with the controller (6), for determining rainfall, and rainfall data is transferred to described
Controller (6) is preserved；
Water-level gauge (13), it is electrically connected with the controller (6), for determining water level, and waterlevel data is transferred into the control
Device (6) processed preserves.
3. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that silt in the runoff
Content automatic measurement system also includes：
Base (15), its lower section for being arranged at the second support (14), for fixing the second support (14).
4. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that the sample holder (1)
Top be cylindrical shape, bottom for cone, for containing silt water sample.
5. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that the analyzer (2)
For determining the sediment charge in sample holder (1), it is the constant hollow closed container of olivary volume and weight, described
The outside of closed container scribbles one layer of material for preventing muddy water from adhering to.
6. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that the inductor of weighing
(3) for weighing weight of the analyzer (2) in muddy water, and the time weighed and weight data are transferred to the control
Device (6).
7. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that the first support
(11) it is "ON" font, with two crossbearers up and down being parallel to each other, the hoist (4) and the annulus (10) are respectively mounted
On upper and lower two crossbearers.
8. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that the hoist (4)
The analyzer (2) is sling from muddy water by the annulus (10) under the instruction of the controller (6), and in the title
Weight inductor (3) completes again to put back in the first support (11) analyzer (2) by the annulus (10) after weighing.
9. sediment charge automatic measurement system in runoff according to claim 1, it is characterised in that the water inlet (8)
Muddy water sample for water pump (5) to be extracted is injected in the sample holder (1)；The discharge outlet (9) is for by the sample holder (1)
In muddy water sample emptying；The discharging valve (7) for the instruction unpack valve according to the controller (6), by the sample holder
(1) the muddy water sample in is excluded by the discharge outlet (9), and is closed after a certain time or before the water pump (5) starts next time
Valve closing door.
10. sediment charge automatic measurement system in runoff according to claim 2, it is characterised in that the rainfall gauge
(12) it is tipping bucket type pluviograph；The water-level gauge (13) is ultrasonic type self recording level meter.
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| CN107727152A (en) * | 2017-11-13 | 2018-02-23 | 长江水利委员会长江流域水土保持监测中心站 | The automatic soil erosion monitoring device in field and monitoring method |
| CN107764591A (en) * | 2017-09-30 | 2018-03-06 | 黄河流域水土保持生态环境监测中心 | A kind of small watershed bayonet socket station runoff and sediment automatic sampling system |
| CN107917853A (en) * | 2017-11-22 | 2018-04-17 | 安徽理工大学 | A kind of aeration concentrater measuring device and measuring method |
| CN108896349A (en) * | 2018-07-18 | 2018-11-27 | 李建英 | A method of the monitoring contaminated degree of fully-loaded stream |
| CN110031370A (en) * | 2019-03-29 | 2019-07-19 | 西安理工大学 | The measuring device and monitoring method of the erosion caused by sloping surfaces silt based on the identification of runoff turbidity |
| CN110595931A (en) * | 2019-09-10 | 2019-12-20 | 赵如月 | Method and device for automatically monitoring suspended load silt by displacement method |
| CN112903516A (en) * | 2021-01-25 | 2021-06-04 | 日照公路建设有限公司 | Mud content measuring mechanism of automatic raw material sampling equipment |
| CN112945366A (en) * | 2021-02-06 | 2021-06-11 | 江西师范大学 | Be applied to automatic observation equipment of runoff district water sand |
| CN113567295A (en) * | 2021-09-18 | 2021-10-29 | 北京易科立德生态环境科技有限责任公司 | Runoff sediment content measuring device and method |
| CN114112545A (en) * | 2021-11-15 | 2022-03-01 | 西安理工大学 | Sampling detection device for runoff sediment and using method thereof |
| CN110595931B (en) * | 2019-09-10 | 2024-05-03 | 赵如月 | Method and device for automatically monitoring suspended load sediment by displacement method |
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| CN110595931A (en) * | 2019-09-10 | 2019-12-20 | 赵如月 | Method and device for automatically monitoring suspended load silt by displacement method |
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| CN112945366A (en) * | 2021-02-06 | 2021-06-11 | 江西师范大学 | Be applied to automatic observation equipment of runoff district water sand |
| CN113567295B (en) * | 2021-09-18 | 2021-12-10 | 北京易科立德生态环境科技有限责任公司 | Runoff sediment content measuring device and method |
| CN113567295A (en) * | 2021-09-18 | 2021-10-29 | 北京易科立德生态环境科技有限责任公司 | Runoff sediment content measuring device and method |
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