CN110453765A - Self-cleaning early-stage rainwater stream abandoning system and its application method based on Internet of Things - Google Patents
Self-cleaning early-stage rainwater stream abandoning system and its application method based on Internet of Things Download PDFInfo
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- CN110453765A CN110453765A CN201910809689.5A CN201910809689A CN110453765A CN 110453765 A CN110453765 A CN 110453765A CN 201910809689 A CN201910809689 A CN 201910809689A CN 110453765 A CN110453765 A CN 110453765A
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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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
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The invention belongs to municipal drainage blowdown technical fields, and in particular to a kind of self-cleaning early-stage rainwater stream abandoning system and its application method based on Internet of Things, including drainage tank, detection module, control module, power module and wireless communication module；The drainage tank is connected with water inlet pipe, drainpipe and sewage pipe, the drainpipe and sewage pipe are equipped with the automatically controlled gate for controlling the two alternating on-off, the detection module includes sample cell, cleaning device is additionally provided in the sample cell, the cleaning device is electrically connected with control module, and the control module is interconnected by wireless communication module and rainfall detection module.The water quality that the present invention is detected according to detection module adjusts the connected state of sewage pipe and drainpipe in real time, accomplishes accurately shutting off for initial rainwater；In addition, the present invention automatically controls cleaning device and cleans to detection module when detection module is stained, avoids detection module from judging by accident, further increase precision of shutting off.
Description
Technical field
The invention belongs to municipal drainage blowdown technical fields, and in particular to a kind of self-cleaning initial rainwater based on Internet of Things
Discarding system and its application method.
Background technique
Initial rainwater can adsorb large quantity of air dust, while initial rainwater washes away ground can carry the solids such as a large amount of silts
Grain, these rainwater, which are directly discharged to rivers and lakes, can cause environment seriously to pollute, it is therefore desirable to carry out nothing to this part rainwater
Evilization processing；And with the progress of rainfall, the pollutant retained in ground, pipe network is gradually decreased, and rainwater becomes relative clean, this
Part rainwater can be directly discharged in rivers and lakes.Therefore, the shunting and collection of initial rainwater are municipal drainage systems at this stage
System needs key problems-solving.The patent of invention of Patent No. 201710588988.2 discloses a kind of based on light sensation technology
Runoff rainwater separating device for trapping and method, mainly judged using light transmission difference in water water flow be sewage also
It is clear water, and carrys out the opening and closing of regulating gate according to this, realizes the shunting at initial stage and water.However, the technical solution is in practical operation
There are a significant deficiencies in journey, i.e., not only contain soluble detrimental object and suspended things in initial stage and water, also carry a large amount of mud
The bulky grain solids pollutant such as sand, these pollutant a part can be attached on detection cell inner wall, while swiftly flowing solid
Particle can cause to wear to detection cell inner wall, this can all cause adverse effect, severe jamming inspection to the light transmittance of detection cell itself
Precision is surveyed, is judged by accident so as to cause entire device for trapping, a large amount of cleaning rainwater are retained down as sewage, increase sewage
The work load of processing system, reduces sewage treating efficiency.
Summary of the invention
The object of the present invention is to provide it is a kind of can be improved early-stage rainwater stream abandoning shut off control precision based on Internet of Things
Self-cleaning early-stage rainwater stream abandoning system and its application method.
The technical solution that the present invention takes is specific as follows.
A kind of self-cleaning early-stage rainwater stream abandoning system based on Internet of Things, including drainage tank, detection module, control module,
Power module and wireless communication module；The drainage tank is connected with water inlet pipe, drainpipe and sewage pipe, the drainpipe and sewage pipe
It is equipped with the automatically controlled gate for replacing on-off with drainage tank for controlling the two, the automatically controlled gate is connected with control module, described
Detection module is for detecting the water quality for flowing through drainage tank, the detection data output end of the detection module and control
Module is connected；The detection module includes sample cell, light source emitter and light source receiving device, the light source emitter and
Light source receiving device is separately mounted in the two opposite side walls of sample cell and light source emitter is set with light source receiving device face
It sets, the sample cell is equipped with water inlet pipe and outlet pipe, and the water inlet pipe and outlet pipe are connected to the water inlet pipe, and water inlet pipe
Or outlet pipe is equipped with water pump, water pump is electrically connected with control module；It is additionally provided in the sample cell for cleaning sample pond inner wall
Cleaning device, the cleaning device is electrically connected with control module, and the control module passes through wireless communication module and rainfall
Detection module interconnection.
The cleaning device includes the brush board being arranged in sample cell, and the plate face and light source emitter of the brush board emit
Beam path it is parallel, the edge of the brush board be fabricated from a flexible material, brush board edge is bonded with sample cell inner wall, sample cell
First chamber and second chamber are divided by brush board, the through-hole for being connected to first chamber and second chamber is offered on brush board,
Brush board moves back and forth setting along the direction perpendicular to beam path and sample cell is equipped with the drive for driving brush board to move back and forth
Moving cell, the driving unit are electrically connected with control module.
The first chamber is connected to water inlet pipe, and channel between the two is equipped with the first check valve, and described first is single
To valve fitted to be the water body in first chamber can to water inlet pipe flow and the water body in water inlet pipe cannot be to first chamber stream
It is dynamic；The through-hole is equipped with second one-way valve, and the second one-way valve fitted to be the water body in second chamber can be to first
Chamber and the water body in first chamber cannot be flowed as second chamber.
The water inlet pipe is connected to filtering ponds, and filtering ponds are used to carry out the silt flowed through in the water body before drainage tank
Filter.
The filtering ponds are equipped with the first water inlet, the second water inlet, the first water outlet, the second water outlet, and described first goes out
The mouth of a river and the second water outlet are connected to water inlet pipe, and being horizontally disposed in the filtering ponds has a screen pack, first water inlet and
Second water outlet is connected to the upside space of screen pack, the lower side space of the second water inlet and the first water outlet and screen pack
Connection, filtering ponds are interior to be equipped with the first gate and the second gate, and first gate locating is in the first water inlet and the second water inlet
The upper opening and closing for alternately control the first water inlet and the second water inlet, the second gate locating is on the second water outlet, for controlling
Make the opening and closing of the second water outlet；Liquidometer is equipped in the filtering ponds, the liquidometer is electrically connected with control module.
The floatage-type driving mechanism for driving the first gate and the second gate to act is equipped in the filtering ponds, it is described floating
Power formula driving mechanism includes buoyancy tank, energy storage equipment, the first lockable mechanism and the second lockable mechanism；The buoyancy tank is along the vertical direction
Activity is arranged and can be to be arranged in buoyancy tank and the first lock with the fluctuation dipping and heaving of filtering pit level, the energy storage equipment
Elastic element between door, the second gate；First lockable mechanism is fitted to be when the first gate, the second gate are in low level
And filtering pool water level do not reach it is default first triggering water level when, the first lockable mechanism can by the first gate, the second gate limit
In the low level, and the first lockable mechanism can be by the first gate, the when filtering ponds water level reaches default first triggering water level
The release of two gates；Second lockable mechanism is fitted to be when gate is in high-order and filtering pool water level does not drop to default second touching
When shampoo position, gate can be limited in the high position by the second lockable mechanism, and when filtering ponds water level is down to default second triggering
The second lockable mechanism can discharge gate when water level.
First lockable mechanism includes the limiting slot affixed with the first gate, the second gate, and with filtering ponds pool wall
The centering block of rotation connection, the limiting slot include the bar groove being arranged along the vertical direction, and setting is in bar groove upper end and and bar groove
The arc core of the arc groove of connection, the arc groove is located on the center line of bar groove, and the diameter of arc groove is greater than the width of bar groove,
The centre of gyration of the centering block is located on the center line of bar groove, and the radius of gyration of centering block is consistent with the radius of the arc groove, and
The small width with bar groove of the width of centering block, the shaft of the centering block are equipped with a driving lever, and end and the buoyancy tank gear of the driving lever connect,
The driving lever can be pushed up when buoyancy tank uplink and then centering block is driven to swing, and when filtering ponds water level reaches default first touching
When shampoo position, centering block can just be rocked to the state parallel with bar groove.
Second lockable mechanism includes claw, and the claw and filtering ponds inner wall are hinged, is equipped in the filtering ponds floating
Son is connected with a vertical gag lever post on the float, and the gag lever post is slidably connected with filtering ponds pool wall along the vertical direction, described
Gag lever post upper end is equipped with inclined-plane, and the claw is equipped with a guide wheel, and the guide wheel is located on the motion path of gag lever post, works as filtering
When pool water level is lower than default second triggering water level, gag lever post be in below guide wheel, at this time claw in the state that naturally droops and with
The convex shoulder of horizontal convex Shen setting mutually avoids on first gate, the second gate, when filtering ponds water level is higher than default second triggering water
Position when, gag lever post float drive under uplink, gag lever post upper end slope driving guide wheel to gag lever post side deviate, until guide wheel with
Gag lever post side wall gear connects, and claw is rocked on the motion path of the convex shoulder at this time, and the energy when convex shoulder moves from bottom to top
Claw is enough pushed to be swung up to avoid the claw, and claw is by gag lever post blocking nothing when convex shoulder moves from top to bottom
Normal direction lower swing connects to make claw keep off with the convex shoulder.
The screen pack include at least two layers of wire side, the interlaced setting of mesh of each layer wire side, and each layer wire side it
Between activity setting relatively along the vertical direction, the lowest level wire side and filtering ponds pool wall in each layer wire side be affixed；On lowest level wire side
The first spacer pin equipped with the setting of upward convex Shen, top layer's wire side are equipped with the second spacer pin of downwardly convex Shen setting, and described the
One spacer pin and the second spacer pin are ladder shaft-like, and the diameter of axle is gradually increased the first spacer pin from bottom to top, the second spacer pin
The diameter of axle is gradually increased from top to bottom；First passed through for the first spacer pin is respectively equipped on each layer wire side above lowest level wire side
The aperture of through-hole and each first through hole is sequentially increased, and the edge of each first through hole respectively with the steps at different levels of the first spacer pin
Gear connects；The second through-hole passed through for the second spacer pin and each second through-hole are respectively equipped on each layer wire side below top layer's wire side
Aperture be sequentially increased, and the edge of each second through-hole respectively with the steps at different levels of the second spacer pin gear connect；First lock
Door and/or the second gate bottom are equipped with the drive block that setting is protruded out to screen pack lower section, the drive block and the second spacer pin
Lower end gear connect.
A kind of application method of the self-cleaning early-stage rainwater stream abandoning system based on Internet of Things, includes the following steps:
Step 1: the transmissivity of measurement water quality and visible light in water body establishes water quality and water body visible transmission
The relationship of rate, and initial rainwater change of water quality process is detected, determine the critical water quality of abandoned stream and its corresponding transmission of visible light；Together
When measurement rainfall in rainfall, and establish the relationship between rainfall and change of water quality, determine that abandoned stream critical is verified
The rainfall answered；
Step 2: the detection data of the real-time acquisition testing module of control module and the transmission of visible light for calculating current water body, when saturating
When penetrating rate and being greater than the corresponding transmissivity of critical matter of setting, control module controls automatically controlled gate movement, drainpipe is opened, row
Dirty pipe is closed；When the corresponding transmissivity of the critical matter that transmissivity is less than setting, control module controls automatically controlled gate movement, will
Drainpipe is closed, and sewage pipe is opened；
In step 2, control module obtains the detection data of rainfall detection module in real time, when rainfall reaches abandoned stream critical
The corresponding rainfall of matter and after one section of preset time, if the transmissivity of detection module detection has been above the critical water quality of abandoned stream
Corresponding transmissivity, then control module is failure to actuate, if the transmissivity of detection module detection is still less than the confrontation of abandoned stream critical and answers
Transmissivity, then controller control cleaning device movement；
In step 2, control module acquires the detection data of liquidometer simultaneously, when the water level in filtering ponds is higher than default first touching
When shampoo position, control module controls water pump and closes, while controlling the unlatching of electric-controlled gate goalkeeper's sewage pipe, and drainpipe is closed；Until mistake
Water level in filter tank is fallen after rise to default second triggering water level hereinafter, control module controls automatically controlled gate again and water pump restores to the original state
State.
The technical effect that the present invention obtains are as follows: the present invention obtains in real time according to the detection data of detection module and flows through drainage tank
Water quality, and adjust according to change of water quality the connected state of sewage pipe and drainpipe in real time, accomplish the accurate of initial rainwater
Shut off, avoids initial rainwater from reducing the waste of clean water resources while polluting environment, while reducing sewage pipe downstream again
The burden of sewage disposal system.In addition, the present invention is stained situation to detection module according to the relationship of rainfall and Rainwater Quality
Judged, when detection module is stained, the present invention automatically controls cleaning device and cleans to detection module, avoids detecting
Module erroneous judgement, further increases precision of shutting off.
Detailed description of the invention
Fig. 1 is the solid of the self-cleaning early-stage rainwater stream abandoning system based on Internet of Things provided by the embodiment of the present invention
Figure；
Fig. 2 is the top view of the self-cleaning early-stage rainwater stream abandoning system based on Internet of Things provided by the embodiment of the present invention；
Fig. 3 is the perspective view of cleaning device provided by the embodiment of the present invention；
Fig. 4 is the cross-sectional view of cleaning device provided by the embodiment of the present invention；
Fig. 5 is the A-A cross-sectional view of Fig. 2；
Fig. 6 is the I partial enlarged view of Fig. 5；
Fig. 7 is the variable condition schematic diagram of cross-sectional view shown in Fig. 5；
Fig. 8 is a few step enlarged views of II of Fig. 7；
Fig. 9 is the perspective view of floatage-type driving mechanism provided by the embodiment of the present invention；
Figure 10 is the B-B cross-sectional view of Fig. 2；
Figure 11 is one of variable condition schematic diagram of cross-sectional view shown in Figure 10；
Figure 12 is another variable condition schematic diagram of cross-sectional view shown in Figure 10；
Figure 13 is the schematic diagram of the second lockable mechanism provided by the embodiment of the present invention.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out specifically with reference to embodiments
It is bright.It should be appreciated that following text is only used to describe one or more of specific embodiments of the invention, not to the present invention
The protection scope specifically requested carries out considered critical.
As shown in Figure 1,2,3, 4, a kind of self-cleaning early-stage rainwater stream abandoning system based on Internet of Things, including drainage tank 70,
Detection module 72, control module 90, power module and wireless communication module；The drainage tank 70 is connected with water inlet pipe, drainpipe 701
With sewage pipe 702, the drainpipe 701 and sewage pipe 702 are equipped with the electricity for replacing on-off with drainage tank 70 for controlling the two
Gate 71 is controlled, the automatically controlled gate 71 is connected with control module 90, and the detection module 72 is used for the water for flowing through drainage tank 70
Body water quality is detected, and the detection data output end of the detection module 72 is connected with control module 90；The detection module 72
Including sample cell 721, light source emitter 722 and light source receiving device 723, the light source emitter 722 and light source are received
Device 723 be separately mounted in the two opposite side walls of sample cell 721 and light source emitter 722 and light source receiving device 723 just
To setting, the sample cell 721 is equipped with water inlet pipe 731 and outlet pipe 732, the water inlet pipe 731 and outlet pipe 732 with it is described
Water inlet pipe connection, and water inlet pipe 731 or outlet pipe 732 are equipped with water pump 73, water pump 73 is electrically connected with control module 90；The sample
The cleaning device for 721 inner wall of cleaning sample pond is additionally provided in product pond 721, the cleaning device is electrically connected with control module 90
It connects, the control module 90 is interconnected by wireless communication module and rainfall detection module 72.The present invention is according to detection module 72
Detection data obtain the water quality for flowing through drainage tank 70 in real time, and adjust according to change of water quality sewage pipe 702 and row in real time
The connected state of water pipe 701, when detection module 72 detects that water quality is inferior to the critical water quality of abandoned stream, sewage pipe 702 is opened,
Drainpipe 701 is closed, and sewage enters downstream wastewater factory, when detection module 72 detects water quality better than the critical water quality of abandoned stream
When, sewage pipe 702 is closed, and drainpipe 701 is opened, and so that cleaning rainwater is flowed directly into downstream rivers and lakes, the present invention accomplishes initial stage
Accurately shutting off for rainwater, avoids initial rainwater from reducing the waste of clean water resources while polluting environment, while reducing again
The burden of 702 downstream wastewater processing system of sewage pipe.
In addition, the present invention judges according to the situation that is stained of the relationship of rainfall and Rainwater Quality to detection module 72,
When detection module 72 is stained, the present invention automatically controls cleaning device and cleans to detection module 72, avoids detection module
72 erroneous judgements, further increase precision of shutting off, principle are as follows: technical staff is critical according to regional natural environment and climate situation setting abandoned stream
Water quality is established change of water quality and rainfall magnitude relation by repeatedly detection on the spot in advance, and is determined corresponding to the critical water quality of abandoned stream
Rainfall average value can substantially think that Rainwater Quality has been better than abandoned stream critical when one rainfall event amount reaches the numerical value
Matter, if the detection data of detection module 72 still shows that water quality is bad after rainwater after a period of time sufficiently converges to drainage tank 70
In the critical water quality of abandoned stream, then illustrate that detection module 72 is possible to be contaminated, and then controls cleaning device to detection module 72
It is cleaned.
It should be strongly noted that rainfall can only be as the substantially judgment basis of Rainwater Quality, judging result is different
Calmly precisely, therefore the present invention is only using rainfall as the foundation for judging whether detection module 72 is stained, and shuts off not as rainwater
Foundation, and being stained for detection module 72 belongs to incident, even if the present invention exists when being stained situation according to rainfall judgement
Error is even judged by accident, but still can largely improve the precision of shutting off of rainwater, this still has compared with prior art
There is significant technological progress.
Preferably, the cleaning device includes the brush board 725 being arranged in sample cell 721, the plate face of the brush board 725 with
Light source emitter 722 emit beam path it is parallel, the edge of the brush board 725 be fabricated from a flexible material, 725 side of brush board
Edge is bonded with 721 inner wall of sample cell, and sample cell 721 is divided into first chamber 726 and second chamber 727, brush board by brush board 725
The through-hole for being connected to first chamber 726 and second chamber 727 is offered on 725, brush board 725 is along the side perpendicular to beam path
To reciprocating motion setting and sample cell 721 is equipped with the driving unit 724 for driving brush board 725 to move back and forth, the driving
Unit 724 is electrically connected with control module 90.When control module 90 judges that detection module 72 has been stained, driving unit 724 is driven
Dynamic brush board 725 moves back and forth, and scrapes 725 edge of brush board to 721 inner wall of sample cell.
Further, the first chamber 726 is connected to water inlet pipe, and channel between the two is equipped with the first check valve
729, first check valve 729 fitted to be the water body in first chamber 726 can be to water inlet pipe flowing and in water inlet pipe
Water body cannot be flowed to first chamber 726；The through-hole is equipped with second one-way valve 728, and the second one-way valve 728 is assembled
For the water body in second chamber 727 can to first chamber 726 flow and the water body in first chamber 726 cannot be as second chamber
727 flowings.When brush board 725 is slided to second chamber 727, the sewage in second chamber 727 enters first chamber 726, and works as
When brush board 725 is mobile to first chamber 726, the sewage in first chamber 726 is directly discharged into water inlet pipe, and sewage is avoided to flow through water pump
73 and 721 downstream line of sample cell and result in blockage.
Further, the water inlet pipe is connected to filtering ponds 60, and filtering ponds 60 are used for flowing through the water body before drainage tank 70
In silt be filtered.Specifically, the filtering ponds 60 are equipped with the first water inlet 601, the second water inlet 602, first is discharged
The 603, second water outlet 604 of mouth, first water outlet 603 and the second water outlet 604 are connected to water inlet pipe, the filtering ponds 60
Interior be horizontally disposed with has screen pack 61, the upside space of first water inlet 601 and the second water outlet 604 and screen pack 61
Connection, the second water inlet 602 and the first water outlet 603 be connected to the lower side space of screen pack 61, and filtering ponds 60 are interior equipped with the
One gate 101 and the second gate 102, the setting of the first gate 101 are used on the first water inlet 601 and the second water inlet 602
In the opening and closing for alternately controlling the first water inlet 601 and the second water inlet 602, the second gate 102 is arranged in the second water outlet 604
On, for controlling the opening and closing of the second water outlet 604；Liquidometer, the liquidometer and control module are equipped in the filtering ponds 60
90 electrical connections.Under normality, the first water inlet 601 and the first water outlet 603 are opened, the second water inlet 602 and the second water outlet 604
It closes, water flow is flowed with direction shown in Fig. 5 dotted arrow, and the silt in water body is stopped by screen pack 61, and with silt
Accumulation, the decline of 61 water penetration of screen pack, 60 liquid level of filtering ponds go up, when liquid level increases to default first triggering water level, the
One water inlet 601 is closed, the second water inlet 602 and the second water outlet 604 are opened, and water flow is as shown in dotted arrow in Fig. 7 at this time
Direction flowing, part water flow backward erosion screen pack 61 bring silt into downstream line, at the same time, the sewage pipe in downstream
702 open, and drainpipe 701 is closed, and flow into the water flow for carrying silt in the sewage conduct in 702 downstream of sewage pipe and eventually enter into
Sewage treatment plant.When the water level of filtering ponds 60, which is fallen after rise, triggers water level to default second, the first water inlet 601 is again turned on, in
The second water inlet 602 and the second water outlet 604 are closed simultaneously for this, and water (flow) direction returns to state shown in Fig. 5, continues to filter.
Vatch basin 80 is additionally provided on the outside of the first water inlet 601 and the second water inlet 602 of the filtering ponds 60.Shown first gate 101,
Second gate 102 includes the flashboard being vertically arranged, and the flashboard two sides are equipped with idler wheel, and the idler wheel and water stream channel two sides are arranged
Track constitute roll cooperation.
Preferably, it as shown in Fig. 9,10,11,12, is equipped in the filtering ponds 60 for driving the first gate 101 and second
The floatage-type driving mechanism that gate 102 acts, the floatage-type driving mechanism includes buoyancy tank 20, energy storage equipment 30, the first locking
Mechanism 40 and the second lockable mechanism 50；Activity is arranged and can be with 60 liquid level of filtering ponds the buoyancy tank 20 along the vertical direction
Fluctuation dipping and heaving, first gate 101, the second gate 102 respectively include a flashboard 10 being vertically arranged, the flashboard 10
Two sides are equipped with idler wheel, and the composition rolling cooperation of track 11 of the idler wheel and the setting of water stream channel two sides, flashboard 10 is equipped with and lock
The relatively affixed first support 12 of plate 10；The buoyancy tank 20 includes cabinet and the second support 21 affixed with cabinet, the storage
Energy device 30 is the elastic element being arranged between buoyancy tank 20 and the first gate 101, the second gate 102, the first support 12
It is equipped with the guide post 13 of upward convex Shen setting along the vertical direction, the second support 21 is equipped with pilot hole, and the guide post 13 is worn
It crosses pilot hole and constitutes therewith and be slidably matched, 13 end of guide post is equipped with radial flange, and the energy storage equipment 30 is to be set in
One end of pressure spring on guide post 13, the pressure spring is abutted with the radial flange of guide post 13, and the other end is abutted with second support 21；Institute
State the first lockable mechanism 40 fitted to be when the first gate 101, the second gate 102 is in low level and 60 water level of filtering ponds does not reach
When default first triggering water level, the first gate 101, the second gate 102 can be limited in the low level by the first lockable mechanism 40,
And the first lockable mechanism 40 can be by the first gate 101, the second lock when 60 water level of filtering ponds reaches default first triggering water level
Door 102 discharges；Second lockable mechanism 50, which is fitted to be, does not drop to default the when gate is in high-order and 60 water level of filtering ponds
When two triggering water levels, gate can be limited in the high position by the second lockable mechanism 50, and when 60 water level of filtering ponds be down to it is default
The second lockable mechanism 50 can discharge gate when the second triggering water level.
Specifically, first lockable mechanism 40 includes the limiting slot 41 affixed with the first gate 101, the second gate 102,
And the centering block 42 with the rotation connection of 60 pool wall of filtering ponds, the limiting slot 41 include the bar groove being arranged along the vertical direction, and
The arc core of the arc groove that bar groove upper end is arranged in and is connected to bar groove, the arc groove is located on the center line of bar groove, and arc
The diameter of slot is greater than the width of bar groove, and the centre of gyration of the centering block 42 is located on the center line of bar groove, the revolution half of centering block 42
Diameter is consistent with the radius of the arc groove, and the small width with bar groove of width of centering block 42, the shaft of the centering block 42 are equipped with
One driving lever 43, the end of the driving lever 43 and the gear of buoyancy tank 20 connect, can be pushed up when 20 uplink of buoyancy tank the driving lever 43 into
And centering block 42 is driven to swing, and when 60 water level of filtering ponds reaches default first triggering water level, centering block 42 can just be rocked to
The state parallel with bar groove is additionally provided with the pin 45 for limiting 43 hunting range of driving lever on 60 pool wall of filtering ponds.First
The effect of lockable mechanism 40 is in water level uphill process and water level is not up to when presetting the first triggering water level, and gate is limited in
Low level avoids gate with the slow uplink of buoyancy tank 20, and also the energy storage for energy storage equipment 30 provides impetus；Buoyancy tank 20 is equipped with push rod
46,46 upper end of push rod and a backing pin 44 gear of the convex Shen setting in 43 end of driving lever connect.As shown in Figure 10, when water level rises,
The slow uplink of buoyancy tank 20, the length direction of centering block 42 is not yet concordant with bar groove at this time, and centering block 42 is limited in the arc at the top of bar groove
In shape slot, and centering block 42 can arcuately slot be swung, and with the continuous rising of water level, push rod 46 drives driving lever 43 to put
Dynamic, driving lever 43 drives centering block 42 to swing, when centering block 42 is rocked to it is concordant with bar groove when, as shown in figure 11, centering block 42 and arc groove
Separation, centering block 42 loses the limit to gate vertical direction at this time, and gate moment under the action of energy storage equipment 30 lifts, and such as schemes
Shown in 12.
As shown in figure 13, second lockable mechanism 50 includes claw 51, and the claw 51 and 60 inner wall of filtering ponds are hinged,
It is equipped with float 52 in the filtering ponds 60, is connected with a vertical gag lever post 53 on the float 52, the gag lever post 53 is along vertical
Direction is slidably connected with 60 pool wall of filtering ponds, and 53 upper end of gag lever post is equipped with inclined-plane, and the claw 51 is equipped with a guide wheel 54,
The guide wheel 54 is located on the motion path of gag lever post 53, when 60 water level of filtering ponds is lower than default second triggering water level, limit
Bar 53 is in the lower section of guide wheel 54, at this time claw 51 be in the state that naturally droops and with water on the first gate 101, the second gate 102
The convex shoulder 121 of plano-convex Shen setting mutually avoids, and when 60 water level of filtering ponds is higher than default second triggering water level, gag lever post 53 is floating
Son 52 drives lower uplink, and 53 upper end slope driving guide wheel 54 of gag lever post is deviated to 53 side of gag lever post, until guide wheel 54 and limit
53 side wall of bar gear connects, and claw 51 is rocked on the motion path of the convex shoulder 121 at this time, and when convex shoulder 121 is transported from bottom to top
Claw 51 can be pushed to be swung up when dynamic to avoid the claw 51, and the claw 51 when convex shoulder 121 moves from top to bottom
Stopped claw 51 can not be made to connect with the convex shoulder 121 gear to lower swing by gag lever post 53.The work of second lockable mechanism 50
With being so that gate is maintained at the high position after gate switches to a high position, until when water level is fallen after rise to default second triggering water level, the
Two lockable mechanisms, 50 ability discharges gate, falls gate under the effect of gravity to low level after rise.Second locking provided in this embodiment
The concrete operating principle of mechanism 50 are as follows: when water level reaches default second triggering water level, float 52 drives 53 uplink of gag lever post, limit
Claw 51 is pushed into the position interfered with the convex shoulder 121 by position bar 53, and as illustrated in fig. 13b, claw 51 is in gag lever post 53 at this time
It can only be swung up under limitation and cannot continue to go up with water level, the first lockable mechanism 40 is triggered, on gate to lower swing
Row, during being somebody's turn to do, claw 51 is pushed to be swung up for the convex shoulder 121 so that crossing claw 51 reaches a high position, then, with water level
Falling, gate generate downlink trend, and at this time convex shoulder 121 by claw 51 blocking and can not downlink, so that gate be made to protect
It holds in a high position, when water level is fallen after rise to default second triggering water level, gag lever post 53 is separated with claw 51, and claw 51 is to the bottom
It is dynamic to avoid the convex shoulder 121, gate is able to freely to fall after rise to low level, as depicted in fig. 13 a.
As shown in Fig. 6,8, the screen pack 61 includes at least two layers of wire side 611, and the mesh of each layer wire side 611 is mutually handed over
Mistake setting, and activity setting relatively along the vertical direction between each layer wire side 611, lowest level wire side 611 in each layer wire side 611 with
60 pool wall of filtering ponds is affixed；Lowest level wire side 611 is equipped with the first spacer pin 612 of upward convex Shen setting, top layer's wire side 611
It is equipped with the second spacer pin 613 of downwardly convex Shen setting, first spacer pin 612 and the second spacer pin 613 are multi-diameter shaft
Shape, and the diameter of axle is gradually increased the first spacer pin 612 from bottom to top, the diameter of axle is gradually increased the second spacer pin 613 from top to bottom；It is most lower
The first through hole passed through for the first spacer pin 612 and each first through hole are respectively equipped on each layer wire side 611 of 611 top of layer wire side
Aperture be sequentially increased, and the edge of each first through hole respectively with the steps at different levels of the first spacer pin 612 gear connect；Top layer's net
The hole of the second through-hole and each second through-hole that pass through for the second spacer pin 613 is respectively equipped on each layer wire side 611 of 611 lower section of face
Diameter is sequentially increased, and the edge of each second through-hole connects with the steps at different levels of the second spacer pin 613 gear respectively；First gate
101 and/or 102 bottom of the second gate be equipped with to the drive block 14 for protruding out setting below screen pack 61, the drive block 14 with
The lower end gear of second spacer pin 613 connects.As shown in fig. 6, each layer wire side 611 is capable of forming fine and closely woven filter mesh when being bonded, mention
High filtration effect, and under backwashing state, as shown in figure 8, each layer wire side 611 is separated from each other, mesh is larger, convenient for silt from
It is detached from mesh, improves flushing effect.Each separation of layer wire side 611 or fitting can be triggered simultaneously when gate status switching, it is real
The linkage for having showed screen pack 61 and gate designs, and simplifies device structure, avoids reducing equipment event using additional driving element
Barrier rate.
Floatage-type driving mechanism of the invention can be when 60 water level of filtering ponds reaches default highest or minimum critical groundwater table
Instantaneous trigger is able to maintain state after handover, until water level to change shutter opening and closing state, and after gate status switching
Reach another critical groundwater table and again trigger gate, when gate status switching in the present invention, used power was completely by buoyancy
It is transformed, is not necessarily to external any driving element, energy conservation and environmental protection, long service life.
Present invention main distinction compared with floatage-type gate in the prior art is: floatage-type gate in the prior art
It is mostly pivot structure, the resistance for the water being subject to during shutter opening and closing is larger, and corresponding speed is slow, and in the present invention
The direction of motion of gate is vertical with water (flow) direction, reduces the resistance of motion of gate to greatest extent, so enable gate with compared with
Fast response speed carries out state switching, this effectively can be avoided silt from entering in fresh water pipeline.In addition, the present invention uses bullet
Property element carry out energy storage, the long-time low-speed motion of buoyancy tank 20 can be converted into the instantaneous high-speed motion of gate, thus not
The rapidly opened and closed of gate is realized in the case where by external drive, and generated tide during fluctuation in stage is cleverly utilized
Nighttide energy, reduces equipment energy consumption and cost.
The application method of the self-cleaning early-stage rainwater stream abandoning system based on Internet of Things, includes the following steps:
Step 1: the transmissivity of measurement water quality and visible light in water body establishes water quality and water body visible transmission
The relationship of rate, and initial rainwater change of water quality process is detected, determine the critical water quality of abandoned stream and its corresponding transmission of visible light；Together
When measurement rainfall in rainfall, and establish the relationship between rainfall and change of water quality, determine that abandoned stream critical is verified
The rainfall answered；
Step 2: the detection data of the real-time acquisition testing module 72 of control module 90 and the transmission of visible light for calculating current water body,
When the corresponding transmissivity of the critical matter that transmissivity is greater than setting, control module 90 controls automatically controlled gate 71 and acts, and will drain
Pipe 701 is opened, sewage pipe 702 is closed；When the corresponding transmissivity of the critical matter that transmissivity is less than setting, control module 90 is controlled
It makes automatically controlled gate 71 to act, drainpipe 701 is closed, sewage pipe 702 is opened；
In step 2, control module 90 obtains the detection data of rainfall detection module 72 in real time, faces when rainfall reaches abandoned stream
The corresponding rainfall of boundary's water quality and after one section of preset time, if the transmissivity that detection module 72 detects has been above abandoned stream and faces
The corresponding transmissivity of boundary's water quality, then control module 90 is failure to actuate, if the transmissivity that detection module 72 detects still is faced less than abandoned stream
The corresponding transmissivity of boundary's water quality, then controller control cleaning device movement；
In step 2, control module 90 acquires the detection data of liquidometer simultaneously, when the water level in filtering ponds 60 is higher than default the
When one triggering water level, control module 90 controls water pump 73 and closes, while controlling automatically controlled gate 71 and opening sewage pipe 702, drains
Pipe 701 is closed；Until the water level in filtering ponds 60 fall after rise to default second triggering water level hereinafter, control module 90 control again it is automatically controlled
73 reinstatement state of gate 71 and water pump.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.Structure, device and the operating method for not specifically describing and illustrating in the present invention, such as nothing
It illustrates and limits, implemented according to the conventional means of this field.
Claims (10)
1. a kind of self-cleaning early-stage rainwater stream abandoning system based on Internet of Things, it is characterised in that: including drainage tank (70), detection mould
Block (72), control module (90), power module and wireless communication module；The drainage tank (70) is connected with water inlet pipe, drainpipe
(701) it is equipped with sewage pipe (702), the drainpipe (701) and sewage pipe (702) for controlling the two and drainage tank (70)
Alternately the automatically controlled gate (71) of on-off, the automatically controlled gate (71) are connected with control module (90), and the detection module (72) is used
It is detected in the water quality for flowing through drainage tank (70), the detection data output end and control mould of the detection module (72)
Block (90) is connected；The detection module (72) includes sample cell (721), light source emitter (722) and light source receiving device
(723), the light source emitter (722) and light source receiving device (723) are separately mounted to the two opposite sides of sample cell (721)
On wall and light source emitter (722) and light source receiving device (723) face are arranged, and the sample cell (721) is equipped with water inlet pipe
(731) and outlet pipe (732), the water inlet pipe (731) and outlet pipe (732) are connected to the water inlet pipe, and water inlet pipe
(731) or outlet pipe (732) is equipped with water pump (73), and water pump (73) is electrically connected with control module (90)；The sample cell (721)
It is inside additionally provided with the cleaning device for cleaning sample pond (721) inner wall, the cleaning device is electrically connected with control module (90), institute
Control module (90) are stated to interconnect by wireless communication module and rainfall detection module (72).
2. the self-cleaning early-stage rainwater stream abandoning system according to claim 1 based on Internet of Things, it is characterised in that: described clear
Cleaning device includes the brush board (725) being arranged in sample cell (721), the plate face and light source emitter of the brush board (725)
(722) emit beam path it is parallel, the edge of the brush board (725) be fabricated from a flexible material, brush board (725) edge and sample
The fitting of product pond (721) inner wall, sample cell (721) are divided into first chamber (726) and second chamber (727) by brush board (725), brush
The through-hole for being connected to first chamber (726) and second chamber (727) is offered on plate (725), brush board (725) is along perpendicular to light
The direction in beam path moves back and forth setting and sample cell (721) is equipped with the driving list for driving brush board (725) to move back and forth
First (724), the driving unit (724) are electrically connected with control module (90).
3. the self-cleaning early-stage rainwater stream abandoning system according to claim 2 based on Internet of Things, it is characterised in that: described
One chamber (726) is connected to water inlet pipe, and channel between the two is equipped with the first check valve (729), first check valve
(729) water body fitteding to be in first chamber (726) can be flowed to water inlet pipe and the water body in water inlet pipe cannot be to first
Chamber (726) flowing；The through-hole is equipped with second one-way valve (728), and the second one-way valve (728) fitted to be the second chamber
Water body in room (727) can be flowed to first chamber (726) and the water body in first chamber (726) cannot be as second chamber
(727) it flows.
4. the self-cleaning early-stage rainwater stream abandoning system according to claim 1 based on Internet of Things, it is characterised in that: it is described into
Water pipe is connected to filtering ponds (60), and filtering ponds (60) are used to be filtered the silt flowed through in the water body before drainage tank (70).
5. the self-cleaning early-stage rainwater stream abandoning system according to claim 4 based on Internet of Things, it is characterised in that: the mistake
Filter tank (60) is equipped with the first water inlet (601), the second water inlet (602), the first water outlet (603), the second water outlet (604),
First water outlet (603) and the second water outlet (604) are connected to water inlet pipe, and being horizontally disposed in the filtering ponds (60) had
Sieve plate (61), first water inlet (601) and the second water outlet (604) are connected to the upside space of screen pack (61),
Second water inlet (602) and the first water outlet (603) are connected to the lower side space of screen pack (61), are equipped in filtering ponds (60)
First gate (101) and the second gate (102), the first gate (101) setting are intake in the first water inlet (601) and second
For alternately controlling the opening and closing of the first water inlet (601) and the second water inlet (602), the second gate (102) setting on mouth (602)
On the second water outlet (604), for controlling the opening and closing of the second water outlet (604)；Liquidometer is equipped in the filtering ponds (60),
The liquidometer is electrically connected with control module (90).
6. the self-cleaning early-stage rainwater stream abandoning system according to claim 5 based on Internet of Things, it is characterised in that: the mistake
The floatage-type driving mechanism for driving the first gate (101) and the second gate (102) to act is equipped in filter tank (60), it is described floating
Power formula driving mechanism includes buoyancy tank (20), energy storage equipment (30), the first lockable mechanism (40) and the second lockable mechanism (50)；Institute
Stating buoyancy tank (20), activity is arranged and can be with the fluctuation dipping and heaving of filtering ponds (60) liquid level, the accumulation of energy dress along the vertical direction
Setting (30) is the elastic element being arranged between buoyancy tank (20) and the first gate (101), the second gate (102)；First lock
Locking mechanism (40) is fitted to be when the first gate (101), the second gate (102) is in low level and filtering ponds (60) water level does not reach
When default first triggering water level, the first gate (101), the second gate (102) can be limited in institute by the first lockable mechanism (40)
Low level is stated, and the first lockable mechanism (40) can be by the first gate when filtering ponds (60) water level reaches default first triggering water level
(101), the second gate (102) discharges；Second lockable mechanism (50) fitted to be when gate is in high-order and filtering ponds
(60) when water level does not drop to default second triggering water level, gate can be limited in the high position by the second lockable mechanism (50), and
When filtering ponds (60) water level is down to default second triggering water level, the second lockable mechanism (50) can discharge gate.
7. the self-cleaning early-stage rainwater stream abandoning system according to claim 6 based on Internet of Things, it is characterised in that: described
One lockable mechanism (40) includes the limiting slot (41) affixed with the first gate (101), the second gate (102), and and filtering ponds
(60) centering block (42) of pool wall rotation connection, the limiting slot (41) includes the bar groove being arranged along the vertical direction, and setting exists
The arc core of bar groove upper end and the arc groove being connected to bar groove, the arc groove is located on the center line of bar groove, and arc groove is straight
Diameter is greater than the width of bar groove, and the centre of gyration of the centering block (42) is located on the center line of bar groove, the radius of gyration of centering block (42)
It is consistent with the radius of the arc groove, and the small width with bar groove of width of centering block (42), it is set in the shaft of the centering block (42)
Have a driving lever (43), end and buoyancy tank (20) gear of the driving lever (43) connect, and can push up institute when buoyancy tank (20) uplink
It states driving lever (43) and then centering block (42) is driven to swing, and when filtering ponds (60) water level reaches default first triggering water level, centering block
(42) state parallel with bar groove can just be rocked to.
8. the self-cleaning early-stage rainwater stream abandoning system according to claim 6 based on Internet of Things, it is characterised in that: described
Two lockable mechanisms (50) include claw (51), and the claw (51) and filtering ponds (60) inner wall are hinged, in the filtering ponds (60)
Equipped with float (52), be connected with a vertical gag lever post (53) on the float (52), the gag lever post (53) along the vertical direction with
Filtering ponds (60) pool wall is slidably connected, and gag lever post (53) upper end is equipped with inclined-plane, and the claw (51) is equipped with a guide wheel
(54), the guide wheel (54) is located on the motion path of gag lever post (53), when filtering ponds (60) water level is lower than default second triggering
When water level, gag lever post (53) is in below guide wheel (54), at this time claw (51) be in the state that naturally droops and with the first gate
(101), the convex shoulder (121) of horizontal convex Shen setting mutually avoids on the second gate (102), when filtering ponds (60) water level is higher than default
When the second triggering water level, gag lever post (53) uplink, gag lever post (53) upper end slope driving guide wheel (54) in the case where float (52) drive
It is deviated to gag lever post (53) side, until guide wheel (54) connect with gag lever post (53) side wall gear, claw (51) is rocked to described at this time
On the motion path of convex shoulder (121), and can push when convex shoulder (121) moves from bottom to top claw (51) be swung up from
And the claw (51) are avoided, and claw (51) can not by gag lever post (53) blocking when convex shoulder (121) moves from top to bottom
It is connect to lower swing to make claw (51) keep off with the convex shoulder (121).
9. the self-cleaning early-stage rainwater stream abandoning system according to claim 5 based on Internet of Things, it is characterised in that: the mistake
Sieve plate (61) includes at least two layers of wire side (611), the interlaced setting of mesh of each layer wire side (611), and each layer wire side
(611) activity is arranged relatively along the vertical direction between, lowest level wire side (611) and filtering ponds (60) in each layer wire side (611)
Pool wall is affixed；Lowest level wire side (611) is equipped with the first spacer pin (612) of upward convex Shen setting, on top layer's wire side (611)
The second spacer pin (613) equipped with the setting of downwardly convex Shen, first spacer pin (612) and the second spacer pin (613) are rank
Terraced shaft-like, and the diameter of axle is gradually increased the first spacer pin (612) from bottom to top, the diameter of axle is gradually from top to bottom for the second spacer pin (613)
Increase；First passed through for the first spacer pin (612) is respectively equipped on each layer wire side (611) above lowest level wire side (611)
The aperture of through-hole and each first through hole is sequentially increased, and the edge of each first through hole is each with the first spacer pin (612) respectively
Grade step gear connects；It is respectively equipped on each layer wire side (611) below top layer's wire side (611) and is passed through for the second spacer pin (613)
The second through-hole and the aperture of each second through-hole be sequentially increased, and the edge of each second through-hole respectively with the second spacer pin
(613) steps at different levels gear connects；First gate (101) and/or the second gate (102) bottom are equipped with to screen pack (61)
Lower section protrudes out the drive block (14) of setting, and the drive block (14) and the lower end gear of the second spacer pin (613) connect.
10. a kind of user of the self-cleaning early-stage rainwater stream abandoning system described in claim 1 to 9 any one based on Internet of Things
Method, it is characterised in that include the following steps:
Step 1: the transmissivity of measurement water quality and visible light in water body establishes water quality and water body visible transmission
The relationship of rate, and initial rainwater change of water quality process is detected, determine the critical water quality of abandoned stream and its corresponding transmission of visible light；Together
When measurement rainfall in rainfall, and establish the relationship between rainfall and change of water quality, determine that abandoned stream critical is verified
The rainfall answered；
Step 2: control module (90) in real time acquisition testing module (72) detection data and calculate current water body visible light it is saturating
Rate is penetrated, when the corresponding transmissivity of the critical matter that transmissivity is greater than setting, it is dynamic that control module (90) controls automatically controlled gate (71)
Make, drainpipe (701) is opened, sewage pipe (702) is closed；When transmissivity is less than the corresponding transmissivity of critical matter of setting
When, control module (90) controls automatically controlled gate (71) movement, drainpipe (701) is closed, sewage pipe (702) is opened；
In step 2, control module (90) obtains the detection data of rainfall detection module (72) in real time, when rainfall reaches abandoning
The corresponding rainfall of critical matter is flowed and after one section of preset time, if the transmissivity of detection module (72) detection has been above
The corresponding transmissivity of abandoned stream critical matter, then control module (90) is failure to actuate, if the transmissivity of detection module (72) detection is still
Transmissivity corresponding less than abandoned stream critical matter, then controller control cleaning device movement；
In step 2, control module (90) acquires the detection data of liquidometer simultaneously, when the water level in filtering ponds (60) is higher than in advance
If control module (90) controls water pump (73) and closes, while controlling automatically controlled gate (71) for sewage pipe when the first triggering water level
(702) it opens, drainpipe (701) is closed；Until the water level in filtering ponds (60) is fallen after rise to default second triggering water level hereinafter, control
Molding block (90) controls automatically controlled gate (71) and water pump (73) reinstatement state again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809689.5A CN110453765A (en) | 2019-08-29 | 2019-08-29 | Self-cleaning early-stage rainwater stream abandoning system and its application method based on Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809689.5A CN110453765A (en) | 2019-08-29 | 2019-08-29 | Self-cleaning early-stage rainwater stream abandoning system and its application method based on Internet of Things |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287296A (en) * | 2020-03-07 | 2020-06-16 | 叶建锋 | Method and device for intelligent operation of rainwater storage tank |
| CN111538110A (en) * | 2020-04-16 | 2020-08-14 | 中国科学院上海微系统与信息技术研究所 | Rainfall on-line monitoring system and monitoring method |
| CN114703942A (en) * | 2022-05-19 | 2022-07-05 | 西华大学 | Rainwater interception system |
-
2019
- 2019-08-29 CN CN201910809689.5A patent/CN110453765A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287296A (en) * | 2020-03-07 | 2020-06-16 | 叶建锋 | Method and device for intelligent operation of rainwater storage tank |
| CN111538110A (en) * | 2020-04-16 | 2020-08-14 | 中国科学院上海微系统与信息技术研究所 | Rainfall on-line monitoring system and monitoring method |
| CN114703942A (en) * | 2022-05-19 | 2022-07-05 | 西华大学 | Rainwater interception system |
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