CN110058547A - Garden sponge Internet of Things network control system and its construction method - Google Patents
Garden sponge Internet of Things network control system and its construction method Download PDFInfo
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- CN110058547A CN110058547A CN201910289007.2A CN201910289007A CN110058547A CN 110058547 A CN110058547 A CN 110058547A CN 201910289007 A CN201910289007 A CN 201910289007A CN 110058547 A CN110058547 A CN 110058547A
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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
- E03F1/002—Methods, systems, or installations for draining-off sewage or storm water with disposal into the ground, e.g. via dry wells
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/102—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins using already existing parts of the sewer system for runoff-regulation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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Abstract
The invention discloses garden sponge Internet of Things network control system, which includes that sponge garden rainwater-collecting building module, sponge garden are collected rainwater purification and avoided the peak hour drain module and Internet of Things Intellisense layer, operation layer and decision-making level's module with using module, remaining rainwater；The invention also discloses its construction methods.The technical need that the present invention is accumulated and utilized for existing sponge garden mode rainwater, Internet of Things and soil moisture content digital signal transmission system are coupled, judged by system intelligent, accomplish accurate rainwater-collecting, water quality fast purification and utilize Irrigation, and realizes the/peak clipping discharging mode of avoiding the peak hour of cell storm sewer system.Comprehensive integration grass planting ditch, the porous comb that catchments, rain water reservoir, rainwater sand filtration rapid purification process and the control of soil moisture content signal of the present invention precisely utilize, the control of Internet of Things Weather information empties water charging system.
Description
Technical field
The invention belongs to water supply technical field of drainage, and in particular to garden sponge Internet of Things network control system and its building side
Method.
Background technique
Sponge urban construction is the important component of blue montains and green waters, is the inevitable requirement for promoting Ecological Civilization Construction, mentions
Rise sewerage system when pay the utmost attention to limited rainwater to stay, more using elements drain, build nature stockpile,
The ability of suitable environment variation and reply natural calamity is strengthened in naturally osmotic, self-purification and the sponge of effective use city.So
And while Rapid-Urbanization, urban development also faces huge environment and resource pressure, and extension increases the urban development mould of formula
Formula is hard to carry on.
Resident's garden and community in urban areas from point to surface, organic composition modern urban construction.It is small with resident's garden and city
Area is that starting point sets about constructing sponge city, science layout construction rainwater storage and the system of utilizing, and dissolves itself rainwater, meets sponge
The construction theory of city " slow row's sustained release " and " source control ", is not only avoided that flood, but also energy Collection utilization rainwater, plays sponge
Effect, so as to improve the ecological environment in city, improves the quality of life of the common people.
Summary of the invention
Goal of the invention: of the existing technology in order to solve the problems, such as, the present invention provides garden sponge Internet of Things network control system,
Internet of Things information and digital control technology are applied to sponge garden and construct system；The present invention also provides its construction methods, no
Only building cost is small, effect is high, the garden rainwater utilization mode of strong applicability, realizes popular participation rainwater engineering and sponge city
The building system in city.
Technical solution: in order to achieve the above-mentioned object of the invention, the present invention adopts the following technical scheme:
Garden sponge Internet of Things network control system disclosed by the invention, the system include sponge garden rainwater-collecting building mould
Block, sponge garden are collected rainwater purification and are avoided the peak hour drain module and Internet of Things Intellisense layer, operation with using module, remaining rainwater
Layer and decision-making level's module；Sponge garden rainwater-collecting constructs module and realizes cleaning rainwater utilization source and sponge function, through sponge
The rainwater crossed of garden rainwater-collecting building resume module enter the purification of accumulation rainwater with using module, accumulate the purification of rainwater with
It is controlled using module by greenery patches soil moisture content signal, is started according to Yard-greenbelt degree of drought or close rainwater and poured；Remaining rainwater
It avoids the peak hour and the Internet of Things information that module receives Internet of Things Intellisense layer, operation layer and decision-making level's module is discharged, emptied before implementing rain
Next rainfall water is accumulated in pond, is reduced Storm Sewer Network and is drained peak flow；Internet of Things Intellisense layer, operation layer and decision
Layer module is that the signals such as soil moisture content, weather forecast receive the control platform sent with instruction, guarantees system operation logic and sea
Continuous city function is realized.
Further, sponge garden rainwater-collecting building module is built-up by the concrete measure of garden, is based on
The function and structure of dwelling courtyard design, including infiltration, recessed greenery patches, grass planting ditch, rainwater impoundment dedicated under Yard-greenbelt, with rainwater diameter
Stream overall control rate is target, drops to roofing and garden rainwater, will be clear after lower infiltration, cut-off filter, delay through sponge measure etc.
Clean rainwater is guided to rainwater impoundment dedicated；When rainwater impoundment dedicated has expired, then subsequent rainwater is drained into municipal Storm Sewer Network, realizes sponge
The outer discharge capacity of Rainfall runoff, rainwater of garden and the function with rainwater accumulation.
Further, the sponge garden is collected rainwater purification and is poured with module, including rainwater, greenery patches is utilized
Fill system, soil moisture instrument and multipoint control unit (MCU master control borad), soil moisture instrument detect soil moisture content situation, MCU master control borad
The digital signal of soil moisture instrument is subjected to tandem, distribution and conversion, and is transferred to Internet of Things Intellisense layer, operation layer and determines
Plan layer module, receives its decision instruction, is sequentially completed rainwater and Yard-greenbelt is irrigated, the perception of soil moisture instrument is aqueous
When rate is suitable for, transmission information to Internet of Things module receives to stop green land irrigation instruction.
Further, the remaining rainwater avoids the peak hour drain module including accumulating rainwater emptying facility, when Internet of Things intelligence
Sensing layer, operation layer and decision-making level's module are by obtaining Internet of Things information, upcoming rainfall rain condition and rain time, decision
And to remaining rainwater avoid the peak hour drain module send instruction, accumulation pond proper discharge of water is discharged before rain.
Further, Internet of Things Intellisense layer, operation layer and decision-making level's module, including signal transmission apparatus,
Weather forecast Internet of Things information, intelligent mobile receive terminal, and sensing layer is located at the bottom of Internet of Things control, the perception information known
From Yard-greenbelt soil moisture content and network weather forecast information；Operation layer is instruction transmission process, i.e., utilizes mould to rainwater purification
Block, remaining rainwater discharge module send command signal；Decision-making level receives the information such as soil moisture instrument, weather forecast, decision system
Open/close states and programme of work.
The construction method of the garden sponge Internet of Things network control system, including following method:
1) the sponge garden rainwater-collecting described in constructs module: the rainfall runoff overall control rate of sponge garden structure is suitable for
Rainfall runoff overall control rate as defined in national standard or local authorities；
2) garden described in collects rainwater purification and utilizes module: the purification for accumulating rainwater is made with using by MCU master control borad
For master control, connects soil moisture instrument and accumulate the controller of the purification utilization facility of rainwater.The soil moisture in the soil of soil moisture instrument detection
Feelings are fed back by writing program with digital data transmission to internet-of-things terminal (intelligent movable mobile phone etc.), and to soil moisture instrument
Signal carries out tandem, filtering and allocation processing, and command signal is then sent to accumulation rainwater purification and management and utilization facility
Control version, starting or closing facility.It accumulates the purification of rainwater and utilizes step are as follows: Yard-greenbelt soil moisture content signal sets Yard-greenbelt
Yard-greenbelt soil drought degree is such as set 10 grades, as the big Mr. Yu of soil moisture by damp condition needed for plant growth
(such as fixing tentatively is 7, characterizes the degree of soil drought, and corresponding soil wetland is that 20%), triggering control machine starting water quality is net when a value
Change and Greenland Irrigation facility implement the green sprinkling irrigation of garden, and when humidity reduces some numerical value, (such as fixing tentatively is 2, and corresponding soil moisture is
70%) water quality purification and Greenland Irrigation facility, is then automatically closed, stops irrigating.Again twice during rainfall, circulating close-open.
3) the remaining rainwater described in is avoided the peak hour drain module: the smart phone of Internet of Things Intellisense, decision and operation module
It receives terminal system and analyzes Internet of Things weather forecast information, precipitation size according to weather report and precipitation time are (when system default
Between be rain time that Internet of Things weather forecast provides), automatic (or reserved personal control) opens the draining of rainwater impoundment dedicated
Pump, i.e., it is interior for 24 hours before next rainfall, unused rainwater in reservoir is emptied, water storage pool volume is emptied, with accumulation drop next time
Water, and realize the/peak clipping discharging mode of avoiding the peak hour of cell storm sewer system.
4) function of Internet of Things Intellisense, decision described in and operation module is achieved in that: having network by one
The intelligent mobile of transmission-receiving function receives terminal (such as intelligent mobile phone terminal) Lai Shixian.Intellisense, decision and operation mode pass through
Calculation procedure realizes that function, intelligent mobile phone terminal interface display send instruction.Soil moisture instrument and MCU control panel are by soil moisture content
It is transmitted to module, after signal tandem, distribution and conversion, the fast purification and Greenland Irrigation for sending instruction starting accumulation rainwater are set
It applies；When soil moisture instrument transmits the soil moisture content signal of certain moisture content, module sends instruction and voluntarily closes irrigating facility.Work as intelligence
After mobile phone terminal perceives the weather forecast information of Internet of Things, that is, set the digital signal of forecast rainfall and rain time, control
It is interior for 24 hours before next rainfall to open the draining pump for accumulating rainwater, draining of avoiding the peak hour in advance.
Inventive principle: sponge courtyard pattern is the important content of the emission reduction of city source and sponge City Construction Project, is city
City's rainwater produces the source of stream, confluence.The rainwater-collecting processing intelligence of sponge garden based on Internet of Things realizes the people using system
Crowd participates in sponge Process of Urban Development, which carries out sponge with city source and build, have and spend small, effect high and practicability
Strong feature is applicable in people's life mode, meets sponge urban construction requirement.Internet of Things is the important set of generation information technology
At part, and the important development stage in " informationization " epoch, the meaning of the connected internet of Internet of Things, that is, object object.Internet of Things information
Based on the internet by extending and extending, realizes intelligent remote control, provide operation and control platform for user terminal；It moves
Dynamic user terminal can carry out information exchange and long-range control by smart phone.
The utility model has the advantages that compared with prior art, the skill that the present invention is accumulated and utilized for existing sponge garden mode rainwater
Internet of Things and soil moisture content digital signal transmission system are coupled, are judged by system intelligent by art demand, accomplish accurately
Rainwater-collecting, water quality fast purification and Irrigation is utilized, and realizes the avoiding the peak hour of cell storm sewer system/peak clipping draining mould
Formula.Comprehensive integration grass planting ditch, the porous comb that catchments, rain water reservoir, rainwater sand filtration rapid purification process and soil moisture content letter of the present invention
Number control precisely utilize, Internet of Things Weather information control emptying water charging system.
Detailed description of the invention
Fig. 1 is the sponge garden building artwork that rainwater catchment system is controlled based on Internet of Things
Fig. 2 is that dwelling courtyard sponge constructs System planes figure；
Fig. 3 is dwelling courtyard storm-water system Technology Roadmap；
Fig. 4 is dwelling courtyard rainwater-collecting and water purifying process figure；
Fig. 5 is local-style dwelling houses sponge system garden intelligent mobile phone terminal interface.
Specific embodiment
The present invention is further described with specific implementation example with reference to the accompanying drawing.
The invention discloses integrating weather forecast and Internet of Things, the identification of soil moisture content digitized signal with control based on intelligence
The dwelling courtyard sponge system of energyization control, it is therefore an objective on the basis of the sponge measure of garden local-style dwelling houses (villa) system of building,
It is proposed infiltration, storage, net, use, the intelligence control system of row design and the forming types of garden local-style dwelling houses rainwater.Based on dwelling courtyard runoff
The design object of overall control rate, design the grass planting ditch in garden, seep store pipe duct, rainwater-collecting purification utilization and rainwater are avoided the peak hour row
The sponge garden structural model put.Soil of greenbelt hygrometer detection soil moisture content control accumulation rainwater pours free and easy use, realization in garden
The accurate utilization of rainwater after collection and purification.The accumulation of weather forecast Internet of Things signal real-time control is received and transmitted by smart phone
The discharge of rainwater empties previous accumulation rainwater before realizing rain in 24 hours, realize the avoiding the peak hour of building and cell storm sewer system/
Peak clipping discharging mode realizes sponge city function comprehensively.
Garden sponge Internet of Things network control system include sponge garden rainwater-collecting building module, sponge garden collect rainwater it is net
Change and avoids the peak hour drain module and Internet of Things Intellisense layer, operation layer and decision-making level's module with using module, remaining rainwater；Sponge front yard
Institute's rainwater-collecting building module is to rely on, and carries cleaning rainwater utilization source and sponge function；Accumulate the purification and benefit of rainwater
It is controlled with module by greenery patches soil moisture content signal, is started according to Yard-greenbelt degree of drought or close rainwater and poured；The mistake of remaining rainwater
Peak discharge module accepted thing networked information is simultaneously controlled, and empties pond before implementing rain, accumulates next rainfall water, reduces rainwater
Pipe network drains peak flow；Internet of Things Intellisense layer, operation layer and decision-making level's module are the signals such as soil moisture content, weather forecast
The control platform sent with instruction is received, guarantees that system operation logic and sponge city function are realized.
The structure of each module and Functional Design are as follows in garden sponge Internet of Things network control system:
1) sponge garden rainwater-collecting constructs module: it is built-up by the specific sponge measure of garden, including Yard-greenbelt
Lower infiltration, recessed greenery patches, grass planting ditch, rainwater impoundment dedicated etc., function and structure based on dwelling courtyard design, with rainfall runoff total amount
Control rate is target, drops to roofing and garden rainwater, after lower infiltration, cut-off filter, delay through sponge measure etc., will clean rainwater
It guides to rainwater impoundment dedicated.When rainfall duration is larger, when rainwater impoundment dedicated has expired, then subsequent rainwater is drained into municipal rain pipe
Net.
2) sponge garden collects rainwater purification and utilizes module: wet including rainwater, green land irrigation system, soil
It spends instrument and multipoint control unit (MCU master control borad) etc. to constitute, soil moisture instrument detects soil moisture content situation, and MCU master control borad is by soil
The digital signal of hygronom carries out tandem, distribution and conversion, and is transferred to Internet of Things Intellisense layer, operation layer and decision-making level's mould
Block receives its decision instruction, is sequentially completed rainwater and Yard-greenbelt is irrigated, soil moisture instrument perceives moisture content and is suitable for
When, transmission information to Internet of Things module receives to stop green land irrigation instruction.
3) remaining rainwater is avoided the peak hour drain module；It is made of accumulation rainwater emptying facility (water pump and liquidometer etc.).Work as Internet of Things
Net Intellisense layer, operation layer and decision-making level's module are by obtaining Internet of Things information (weather forecast), upcoming rainfall rain
Feelings and rain time, decision and to remaining rainwater avoid the peak hour drain module send instruction, accumulation pond empty or discharges before rain fit
Suitable water.
4) Internet of Things Intellisense layer, operation layer and decision-making level's module.The module is intelligent control maincenter of the invention, by
Signal transmission apparatus, weather forecast Internet of Things information, intelligent mobile receive terminal (such as smartphone mobile phone) composition.Sensing layer
Positioned at the bottom of Internet of Things control, the perception information known is from Yard-greenbelt soil moisture content (soil moisture instrument and MCU master control borad)
With network weather forecast information.Operation layer is instruction transmission process, i.e., discharges module using module, remaining rainwater to rainwater purification
Send command signal.Decision-making level receives the data informations such as soil moisture instrument, weather forecast, decision system open/close states and work side
Case.
Weather forecast and soil moisture content Internet of Things control dwelling courtyard sponge construction method, the embodiment of each module with
Standard is as follows:
1) sponge garden rainwater-collecting constructs module: the rainfall runoff overall control rate of sponge garden building is suitable for country
Rainfall runoff total amount control as defined in standard " sponge urban construction evaluation criterion " (GB/T51345-2018) or local authorities
Rate processed.The implementation of garden sponge see under the greenery patches of " embodiment " seep, designs and the function realization such as rainwater remains in a standstill, rainwater accumulation, but
The process data regulation being not limited in embodiment.
2) garden collects rainwater purification and utilize module: accumulate rainwater purification and using by MCU master control borad as master control,
It connects soil moisture instrument and accumulates the controller of the purification utilization facility of rainwater.The soil moisture content of soil moisture instrument detection, passes through
Program is write with digital data transmission to internet-of-things terminal (intelligent movable mobile phone etc.), and soil moisture instrument feedback signal is carried out
Then command signal is sent to the control version of accumulation rainwater purification and management and utilization facility, opened by tandem, filtering and allocation processing
Dynamic or closing facility.It accumulates the purification of rainwater and utilizes step are as follows: Yard-greenbelt soil moisture content signal sets Yard-greenbelt plant growth
Yard-greenbelt soil drought degree is such as set 10 grades by required damp condition, (such as when soil moisture is greater than some value
Fixing tentatively is 7, characterizes the degree of soil drought, and corresponding soil wetland is that 20%), triggering control machine starting purification of water quality and greenery patches fill
Facility is irrigate, the green sprinkling irrigation of garden is implemented, (such as fixing tentatively is 2, and corresponding soil moisture is 70%), then certainly when humidity reduces some numerical value
It is dynamic to close purification of water quality and Greenland Irrigation facility, stop irrigating.Again twice during rainfall, circulating close-open.In the present invention, pass through front yard
After institute's sponge facility cut-off filter, Rainwater Quality is relatively preferable, and quick sand filtration purification facility simple process is preferably used to can be used to front yard
Institute's green land irrigation.Quick sand filtration is made by organic glass round tube, and diameter about 250mm or so, total height about 1.5m, filtrate is gradation
Quartz sand and light weight concrete filler, filtering velocity are 8~10m/h.The quick sand filtration purification equipment of rainwater is not limited to above-mentioned technique ginseng
Number.
3) remaining rainwater is avoided the peak hour drain module: the smart phone of Internet of Things Intellisense, decision and operation module receives eventually
End system analyzes Internet of Things weather forecast information, and (the system default time is object for precipitation size according to weather report and precipitation time
The rain time that weather forecast of networking provides), automatic (or reserved personal control) opens the draining pump of rainwater impoundment dedicated, that is, exists
It is interior for 24 hours before next rainfall, unused rainwater in reservoir is emptied, water storage pool volume is emptied, to accumulate next precipitation, and it is real
/ peak clipping the discharging mode of avoiding the peak hour of existing cell storm sewer system.
4) Internet of Things Intellisense, decision and operation module are that information is received, filters and instructed in the intelligent control sent
Pivot receives terminal (such as intelligent mobile phone terminal) Lai Shixian by an intelligent mobile with network transmission-receiving function.Intellisense is determined
By calculation procedure realization function, intelligent mobile phone terminal interface display sends instruction for plan and operation mode.Soil moisture instrument and MCU
Soil moisture content is transmitted to module by control panel, after signal tandem, distribution and conversion, sends the quick of instruction starting accumulation rainwater
Purification and Greenland Irrigation facility；When soil moisture instrument transmits the soil moisture content signal of certain moisture content, module sends instruction and voluntarily closes
Close irrigating facility.After the weather forecast information of intelligent mobile phone terminal perception Internet of Things, i.e., when rainfall and rainfall are forecast in setting
Between digital signal, control before next rainfall for 24 hours in open accumulation rainwater draining pump, draining of avoiding the peak hour in advance.
The dwelling courtyard sponge construction method controlled using weather forecast of the present invention and soil moisture content Internet of Things,
Advantage is:
(1) the energy-saving and emission-reduction system model of garden local-style dwelling houses storm-water system and Greenland Irrigation is realized, with runoff volume control rate
For target design grass planting ditch, the porous sponge garden building seeping comb, rain water reservoir, purification facility, green area irrigation and being integrated
Mode, proposes the sponge garden construction method of rainfall runoff, collection and the source control utilized, and target is to realize that Greenland Irrigation pours
The unconventional water resource spilt utilizes, and to save the water consumption of city tap-water, while realizing the precision of the rainwater of sponge garden
Using and control model.
(2) soil moisture content digital control Yard-greenbelt in greenery patches pours the accurate reuse spilt, damp condition needed for setting plant growth
(soil moisture content >=20%) monitors soil moisture content (soil moisture) by soil moisture instrument, when soil moisture content is lower than a certain threshold
It is worth (20%) transmitting digital signals, Greenland Irrigation is to realize Yard-greenbelt premised on supplementing optimum water and irrigate use
The accurate utilization of water resource.
(3) access of weather forecast Internet of Things signal, which stores, seeps rainwater emptying control, realizes/peak clipping the rainwater of avoiding the peak hour of sponge garden
Draining, design smart phone weather Internet of Things signal receive and rain before drain command control system, concurrently set automatic control with
Both of which is manually controlled, discharge and purification utilization by smart phone Interface Control rainwater.
Embodiment
(1) garden sponge system designs
Such as Fig. 2, water storage pool volume is calculated according to garden and local runoff volume control rate.With Jiangning county's house
For the garden of cell, design parameter are as follows: the garden gross area is 960m2, wherein garage area is 50m2；Garden path area is
64m2(rubble and concrete road surface respectively account for about 50%)；Plane projection area in house is 308m2；Yard-greenbelt (lawn) area is
538m2。
According to the relevant regulations of " continuous urban construction technical manual-is low to influence exploitation storm-water system building (tentative) ", this front yard
The design considerations of institute's sponge facility corresponding rainfall thickness 33.6mm when being Nanjing runoff volume control rate 85%.
Garden runoff coefficient: green roof runoff coefficient is 0.3；Garden macadam pavement runoff coefficient 0.4；Garden lawn
(greenery patches) runoff coefficient 0.15；Concrete road surface runoff coefficient 0.8.The comprehensive runoff coefficient of garden is 0.4 × 32+538 × 0.15+
(50+308) × 0.3=0.214.
Yard-greenbelt amount of seepage: permeating medium takes fine sand, osmosis system K=1.2 × 10-5m/s.Amount of seepage are as follows: WP
=1.2 × 10-5 × 570 × 2 × 3600=49.25m3。
Recessed greenery patches reservoir storage: designing twice concave herbaceous field in garden, by distribution circling with green fields, road separates naturally,
Recessed water-storage depth is designed as 100mm, width 500mm, length 80m, then the water requirement in recessed greenery patches are as follows: VSinking greenery patches=80
× 0.5 × 0.1=4m3；Meet the dwelling courtyard rainwater reservoir storage under runoff volume control rate (85%): design runoff total amount control
The when rainwater total amount of rate 85% processed are as follows: VAlways=10 × 0.0366 × 0.214 × 960=75.19m3；The then design of rain water reservoir
Need water capacity are as follows: VWater storage=75.19-4-49.25=21.94m3。
In the present solution, rain water reservoir designs room located underground, useful storage volume is 22m3, reservoir has both precipitating
With spoil disposal, drain function.Design 1 reservoir.
(2) rainwater purification (see Fig. 4):
Rainwater sand filtration rapid filter is the external device of reservoir, and setting quantity is 1, and reservoir water outlet gravity enters sand filtration
Pond.Sand filter designs filtering velocity 8-10m/h, and filtrate selects 5-8mm graded gravel and 2mm gradation quartz sand double-layer filter material, and filtrate is thick
Degree is 1.0m.It is a set of that filter tank system sets backwash facility.
Description of the process: in the rainwater collected through courtyard greening grass planting ditch, 60% SS shuts off in grass planting ditch, accordingly
COD removal rate is about 20%.Rainwater collection pool sets heavy bucket, into pond can settling particulate matter be down to bucket, remained in water
SS removed through sand filtration column.After sedimentation basin and the processing of sand filtration column, water outlet COD and SS can reach greening water water quality requirement.
In rainfall, the 15min discharge outlet after rainfall starts starts runoff occur, until in rainfall 1 hour, pollution
Object concentration is higher, COD, ammonia nitrogen, and water quality condition is bad V class water quality." building and cell rainwater utilization project technical specification "
(GB50400-2006) regulation for afforest and watch with water water quality be COD and the concentration limit of SS be respectively 30mg/L with
10mg/L, the nitrogen phosphorus in rainwater propose specific targets as other phytonutritive element.According to the Rainwater Quality of monitoring, garden
Quality of water requirement is afforested, the main object that garden collects rainwater treatment is COD and SS, wherein the removal rate of COD is 50%
Left and right, the removal rate maximum material removal rate of SS will reach 85% or so.
Filter tank is discharged into clear water reservoir, is arranged 2, is respectively used to pour and is spilt neighbouring greenery patches, and it is raw to supply garden simultaneously
Miscellaneous water living.
Garden uses mixedly water balanced calculation: general, garden subdistrict greening land used water for irrigation 1.0L/ (m2.d)~3.0L/
(m2.d), one day greenery patches water consumption is VWatering=2 × 570 × 10-3=1.14m3.Then, it is not necessarily under conditions of moisturizing in this programme,
The time that water storage can be used for Yard-greenbelt pouring is: VWater storage/VWatering=19.2d.
Such as Fig. 1, this programme Yard-greenbelt is poured using sprinkling irrigation form and spills Yard-greenbelt, below the greenery patches of garden thing side respectively
Setting volume is 11m3Accumulator.Water pipe is filled in greenery patches, and sprinkling irrigation range is enable to cover all vegetation.
(3) resident's garden rainwater purification utilizes control (see Fig. 3):
Water storage reservoir configures water pump: emptying and the quality purifying device for water in pond are stored as rainwater.By receiving network day
Gas forecasts (Internet of Things) control water quality starting, empties reservoir in the 1 day time before being connected to the weather forecast rainy day, pre- for next time
Rainwater vacating space is stayed, the sponge facility of rainwater regulation is played the role of.
Clear water water storage water pump after purification: for courtyard greening water pressure pump, headstock gear is by soil moisture content (moisture content
Or degree of drought) threshold value control.For example, be suitable for the water content of garden plant growth being 22%~30%, when containing
When water rate instrument measures moisture content lower than 22%, starting water pump is irrigated, and when moisture content reaches 30%, water pump is automatically closed.
In addition, to embody the energy conservation characteristic of garden local-style dwelling houses sponge system, this system designs available solar energy as dynamical system
System.Main cause is: generally just will appear damage caused by a drought when weather is fine, at this moment sunlight is abundant, and electricity system is more secure.Rainy day
Before, unused rainwater, which will be stored, using solar energy will drain.
(4) the Internet of Things signal and soil moisture content number for storing rainwater utilization are converted and are transmitted:
Use one piece of MCU as master control, connects soil moisture detection meter and soil moisture is detected, it is in a program, right
Soil moisture detection meter returns to value back and is once filtered, and 10 humidity level ranges is set, when soil moisture is big
When some value (for example, this threshold value is temporarily set as 7), triggering control machine opens water pump, sprays to garden, when humidity is small
When this value, it will just stop irrigating.Meanwhile we can obtain the weather forecast information for mentioning the previous day from network, pass through
This information carries out the water storage processing of accumulator.
As shown in figure 5, the Internet of Things information access interface of smart phone control.Interface by real-time display soil moisture and
Weather forecast.System is divided into automatic control and manually controls both of which: under automatic mode, system will be automatically according to weather forecast
The water and soil moisture content that information judges whether to empty in accumulator decide whether sprinkling irrigation of drawing water；Under manual mode, user
The operation of water pump and valve can voluntarily be controlled.
Claims (6)
1. garden sponge Internet of Things network control system, it is characterised in that: the system includes sponge garden rainwater-collecting building module, sea
Continuous garden collect rainwater purification with using module, remaining rainwater avoid the peak hour drain module and Internet of Things Intellisense layer, operation layer with
Decision-making level's module；Sponge garden rainwater-collecting constructs module and realizes cleaning rainwater utilization source and sponge function, through sponge garden
The rainwater that rainwater-collecting building resume module is crossed enters the purification of accumulation rainwater with using module, accumulates the purification and utilization of rainwater
Module is controlled by greenery patches soil moisture content signal, is started according to Yard-greenbelt degree of drought or is closed rainwater and poured；Remaining rainwater is avoided the peak hour
Discharge module receives the Internet of Things information of Internet of Things Intellisense layer, operation layer and decision-making level's module, empties pond before implementing rain,
Next rainfall water is accumulated, Storm Sewer Network is reduced and drains peak flow；Internet of Things Intellisense layer, operation layer and decision-making level's module
It is soil moisture content, the control platform that weather forecast signal receives and instruction is sent, guarantees system operation logic and sponge city function
It is able to achieve.
2. garden sponge Internet of Things network control system according to claim 1, it is characterised in that: the sponge garden rainwater
Collection building module is built-up by the concrete measure of garden, and function and structure based on dwelling courtyard design, including garden is green
Underground infiltration, recessed greenery patches, grass planting ditch, rainwater impoundment dedicated drop to roofing and garden using rainfall runoff overall control rate as target
After lower infiltration, cut-off filter, delay through sponge measure etc., cleaning rainwater is guided to rainwater impoundment dedicated for rainwater；Rainwater impoundment dedicated is
Subsequent rainwater is then drained into municipal Storm Sewer Network by Man Shi, realizes the outer discharge capacity of the Rainfall runoff of sponge garden, rainwater and and rainwater
The function of accumulation.
3. garden sponge Internet of Things network control system according to claim 1, it is characterised in that: the sponge garden is collected
Rainwater purification with utilize module, including rainwater, green land irrigation system, soil moisture instrument and multipoint control unit, soil
Earth hygronom detects soil moisture content situation, and the digital signal of soil moisture instrument is carried out tandem, distribution and conversion by MCU master control borad, and
It is transferred to Internet of Things Intellisense layer, operation layer and decision-making level's module, receives its decision instruction, is sequentially completed rainwater
It is irrigated with Yard-greenbelt, when soil moisture instrument perception moisture content is suitable for, transmission information to Internet of Things module, receiving stops greenery patches and pours
Fill instruction.
4. garden sponge Internet of Things network control system according to claim 1, it is characterised in that: the remaining rainwater is avoided the peak hour
Drain module includes that accumulation rainwater empties facility, when Internet of Things Intellisense layer, operation layer and decision-making level's module are by obtaining object
Networked information, upcoming rainfall rain condition and rain time, decision and to remaining rainwater avoid the peak hour drain module send instruction, store
Plash discharges proper discharge of water before rain.
5. garden sponge Internet of Things network control system according to claim 1, it is characterised in that: the Internet of Things is intelligently felt
Know that layer, operation layer and decision-making level's module, including signal transmission apparatus, weather forecast Internet of Things information, intelligent mobile receive terminal,
Sensing layer is located at the bottom of Internet of Things control, and the perception information known is believed from Yard-greenbelt soil moisture content and network weather forecast
Breath；Operation layer is instruction transmission process, i.e., sends command signal using module, remaining rainwater discharge module to rainwater purification；Certainly
Plan layer receives the information such as soil moisture instrument, weather forecast, the open/close states and programme of work of decision system.
6. the construction method of garden sponge Internet of Things network control system described in any one of claim 1-5, it is characterised in that:
1) the sponge garden rainwater-collecting described in constructs module: the rainfall runoff overall control rate of sponge garden structure is suitable for country
Rainfall runoff overall control rate as defined in standard or local authorities；
2) garden described in collects rainwater purification and utilize module: accumulate the purification of rainwater with using by MCU master control borad as leading
The controller of the purification utilization facility of control, connection soil moisture instrument and accumulation rainwater；The soil moisture content of soil moisture instrument detection, leads to
It crosses and writes program with digital data transmission to internet-of-things terminal, and tandem, filtering are carried out to soil moisture instrument feedback signal and divided
With processing, then command signal is sent to the control version of accumulation rainwater purification and management and utilization facility, starting or closing facility；
It accumulates the purification of rainwater and utilizes step are as follows: humidity item needed for Yard-greenbelt soil moisture content signal sets Yard-greenbelt plant growth
Yard-greenbelt soil drought degree is such as set grade by part, and when soil moisture is greater than the set value, triggering control machine starts water quality
Purification and Greenland Irrigation facility implement the green sprinkling irrigation of garden, when humidity reduces setting value, then water quality purification and greenery patches are automatically closed
Irrigating facility stops irrigating；Again twice during rainfall, circulating close-open；
3) the remaining rainwater described in is avoided the peak hour drain module: the smart phone of Internet of Things Intellisense, decision and operation module receives
Terminal system analyzes Internet of Things weather forecast information, and precipitation size and precipitation time according to weather report are automatic or reserved manual
Controller opens the draining pump of rainwater impoundment dedicated, i.e., interior for 24 hours before next rainfall, empties unused rainwater in reservoir,
Water storage pool volume is emptied, to accumulate next precipitation, and realizes the/peak clipping discharging mode of avoiding the peak hour of cell storm sewer system；
4) function of Internet of Things Intellisense, decision described in and operation module is achieved in that: by with network transmission-receiving function
Intelligent mobile receive terminal and realize；Intellisense, decision and operation mode realize function, smart phone by calculation procedure
Terminal interface display sends instruction；Soil moisture content is transmitted to module by soil moisture instrument and MCU master control borad, through signal tandem, point
After matching and converting, the fast purification and Greenland Irrigation facility of instruction starting accumulation rainwater are sent；When the transmission of soil moisture instrument is certain
When the soil moisture content signal of moisture content, module sends instruction and voluntarily closes irrigating facility；When the day of intelligent mobile phone terminal perception Internet of Things
After gas forecast information, that is, the digital signal of forecast rainfall and rain time is set, control is interior for 24 hours before next rainfall to open storage
The draining pump of product rainwater, draining of avoiding the peak hour in advance.
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| CN113841600A (en) * | 2021-08-16 | 2021-12-28 | 华北水利水电大学 | Intelligent irrigation management system for rainwater garden |
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Application publication date: 20190726 |