CN111264362A - Greening roof rainwater irrigation system - Google Patents

Greening roof rainwater irrigation system Download PDF

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Publication number
CN111264362A
CN111264362A CN202010166789.3A CN202010166789A CN111264362A CN 111264362 A CN111264362 A CN 111264362A CN 202010166789 A CN202010166789 A CN 202010166789A CN 111264362 A CN111264362 A CN 111264362A
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CN
China
Prior art keywords
water
module
rainwater
irrigation
unit
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Pending
Application number
CN202010166789.3A
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Chinese (zh)
Inventor
卢亚静
潘兴瑶
张书函
宋一凡
刘洪禄
赵飞
邸苏闯
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Beijing Water Science and Technology Institute
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Beijing Water Science and Technology Institute
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Publication date
Application filed by Beijing Water Science and Technology Institute filed Critical Beijing Water Science and Technology Institute
Priority to CN202010166789.3A priority Critical patent/CN111264362A/en
Publication of CN111264362A publication Critical patent/CN111264362A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • A01G25/167Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00Growth substrates; Culture media; Apparatus or methods therefor
    • A01G24/40Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
    • A01G24/44Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
    • A01G24/46Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form multi-layered
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/12Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108Rainwater harvesting

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Soil Sciences (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention relates to the technical field of greening and environmental protection, in particular to a rainwater irrigation system for a greening roof, which comprises a greening module, a rainwater collection module and a rainwater filtering module, wherein the rainwater filtering module is positioned between a water collecting pipe and a water storage unit; the irrigation module comprises a water drawing unit positioned in the water storage unit and an irrigation unit connected with the water drawing unit, and the irrigation unit irrigates towards the greening module; the rainwater filtering module comprises a first filtering piece and a second filtering piece, and the water collecting pipe can be respectively communicated with the first filtering piece and/or the second filtering piece. The first and second filter elements can be operated alternately, even if one of them is detached for cleaning, the filtering function of the irrigation system is not affected. Meanwhile, when the amount of rainwater is large and the water flow is large, the first filtering piece and the second filtering piece can work simultaneously, and the filtering effect of the rainwater is enhanced.

Description

Greening roof rainwater irrigation system
Technical Field
The invention relates to the technical field of greening and environmental protection, in particular to a rainwater irrigation system for a greening roof.
Background
With the gradual shrinkage of urban ground greening space and the acceleration of sponge urban construction process, ecological greening by utilizing roof surfaces becomes an important means for improving greening indexes of various major cities. Because the environment of the roof surface is high temperature and drought, the soil layer is thin, the water demand of the plants is often higher than the ground, and some light roofs are inconvenient for artificial management and watering, and if the plants are watered at high altitude by using artificial tap water, a large amount of water and labor cost is wasted.
Rainwater is taken as a clean water source, and the scientific and effective collection of the rainwater is significant. At present, the common rainwater collection modes in cities mainly comprise roof building top catchment, ground catchment, road catchment, greening catchment, public places catchment and playground catchment, and the most common is roof building top catchment. Roof greening by irrigation with rainwater collection is also widely used. However, impurities such as silt and the like are often mixed in the rainwater, and the watering spray head is easily blocked by silt and the like to influence the irrigation of plants, so that the filtering of the rainwater is very important.
In the utility model patent of china that the publication number is CN207885355U, a roof greening rainwater is collected and is irrigated device is disclosed, wherein includes the rainwater rose box, is provided with meticulous filter layer in the rainwater rose box, and meticulous filter layer includes activated carbon layer, sand grain layer and the drainage sheet layer of range upon range of connection in proper order. The rainwater can be filtered by arranging the rainwater filtering box.
Rainwater rose box need regularly clear up just can be better filter the rainwater, nevertheless when above-mentioned rainwater rose box dismantles, this irritates the device and then does not have filtering capability, leads to entering into the rivers in the bin and has unfiltered phenomenon to there is dirt residue in the jam that leads to the pipeline or the bin, influences the whole normal use who irritates the device.
Disclosure of Invention
The invention aims to provide a rainwater irrigation system for a greening roof, and the rainwater irrigation system is used for solving the technical problem that the rainwater filter box in the prior art is detached to influence the irrigation efficiency.
In order to achieve the purpose, the technical scheme adopted by the invention is to provide a rainwater irrigation system for a greening roof, which comprises a greening module, a rainwater collection module and a rainwater filtering module, wherein the rainwater filtering module is positioned between a water collecting pipe and a water storage unit; the irrigation module comprises a water drawing unit positioned in the water storage unit and an irrigation unit connected with the water drawing unit, and the irrigation unit irrigates towards the greening module; the rainwater filtering module comprises a first filtering piece and a second filtering piece, and the water collecting pipe can be respectively communicated with the first filtering piece and/or the second filtering piece.
Further, the collector pipe with the retaining unit is close to one side of filtering the module all is provided with the tee bend spare, first filter piece with the second filter the both ends respectively with the tee bend spare is linked together, the both ends of first filter piece all are provided with first stagnant water valve, the both ends of second filter piece all are provided with the second stagnant water valve.
Further, the automatic irrigation system also comprises a control module for controlling the irrigation module to automatically irrigate.
Further, the control module includes a moisture monitoring unit located in the greening module and capable of monitoring moisture.
Furthermore, the water drawing unit comprises a water pump and a control valve arranged on one side of the water pump, and the moisture monitoring unit is electrically connected with the control valve.
Furthermore, the number of the moisture monitoring units is at least five, one of the five moisture monitoring units is distributed in the center of the greening module, and the other four moisture monitoring units are distributed in a rectangular shape by taking the moisture monitoring unit in the center position as the center.
Further, the control module further comprises a water level sensor located within the water storage unit, the water level sensor being electrically connected to the control valve.
Furthermore, the irrigation unit is provided with a regulating valve capable of regulating the flow rate of irrigation water.
Furthermore, afforestation module includes vegetable layer, soil horizon, soil barrier layer, drainage blanket, prevents puncture layer and waterproof layer from the top to the bottom in proper order, the collector pipe is located in the drainage blanket.
Furthermore, the first filter piece and the second filter piece both adopt rotational flow sand setting equipment.
The invention has the beneficial effects that:
1. through setting up first filter and the second and filtering, first filter and the second filters work in turn, even if one of them dismantles when wasing, this irrigation system's filtering capability does not receive any influence, has guaranteed irrigation system's normal operating. Meanwhile, when the amount of rainwater is large and the water flow is large, the first filtering piece and the second filtering piece can work simultaneously, and the filtering effect of the rainwater is enhanced.
2. Through setting up tee bend spare, first stagnant water valve and second stagnant water valve, when first filter needs to dismantle the washing, close first stagnant water valve, the second at this moment filters and can normally filter, and owing to closed first stagnant water valve, the rainwater after the filtration can not reveal from the tee bend spare yet.
3. Through setting up control module, can be so that irrigation system realizes the automatic irrigation of rainwater, realized the intellectuality and the automation of system, improved the irrigation efficiency of rainwater, practiced thrift the manpower.
4. Moisture monitoring unit can monitor the moisture in the soil horizon, is convenient for know the moisture condition in the soil horizon in real time, and reasonable irrigating.
5. When monitoring that the moisture in the soil layer is smaller than a set value, the moisture monitoring unit transmits an electric signal to the control valve, the control valve is opened, and the water pump works to pump rainwater into the irrigation unit for irrigation. And when the monitored moisture in the soil layer is larger than a set value, closing the control valve and stopping the water pump.
6. One of the five moisture monitoring units is distributed in the center of the greening module, and the other four moisture monitoring units are distributed in a rectangular shape by taking the moisture monitoring unit at the center as the center. The monitoring units are evenly distributed in the soil layer, the moisture of the soil layer can be integrally monitored, and the moisture in the soil layer is more accurately monitored.
7. Through setting up level sensor, when no water in the retaining unit, level sensor transmits the signal of telecommunication of monitoring to the control valve, and the control valve is closed, and the water pump stop work. When water exists in the water storage unit, the water level sensor transmits the monitored electric signal to the control valve, the control valve is opened, and the water pump recovers the working state.
8. Through setting up the regulation and control valve, can adjust the water velocity on the irrigation unit, be convenient for irrigate the vegetation layer.
9. During the growth of plants, the production of plant roots may break the waterproof layer, thereby causing water leakage on the roof. Through setting up the puncture-proof layer, block the root system of plant, prevent that plant root system from puncturing the waterproof layer, played certain guard action to the waterproof layer on roof.
10. The cyclone sand setting equipment has the advantages of high sand removal rate, installation space saving, low leakage capture rate to individual micro solids, stable working state and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic overall structure diagram of a rainwater irrigation system for a green roof according to an embodiment of the invention;
fig. 2 is a schematic overall structural diagram of a rainwater filtering module adopted by the rainwater irrigation system for the green roof provided by the embodiment of the invention.
Description of reference numerals:
1. a greening module; 11. a vegetable layer; 12. a soil layer; 13. a soil barrier layer; 14. a drainage layer; 15. a puncture resistant layer; 16. a waterproof layer; 2. a rainwater collection module; 21. a water collection pipe; 22. a water storage unit; 3. an irrigation module; 31. a water drawing unit; 311. a water pump; 312. a control valve; 32. an irrigation unit; 33. a regulating valve; 4. a rainwater filtration module; 41. a first filter member; 411. a first water stop valve; 42. a second filter member; 421. a second water stop valve; 43. a tee fitting; 5. a control module; 51. a moisture monitoring unit; 52. a water level sensor; 53. and a controller.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, the invention discloses a greening roof rainwater irrigation system, which comprises a greening module 1, a rainwater collection module 2, an irrigation module 3 and a rainwater filtration module 4, wherein the greening module 1 sequentially comprises a vegetation layer 11, a soil layer 12, a soil barrier layer 13, a drainage layer 14, a puncture-proof layer 15 and a waterproof layer 16 from top to bottom, and the rainwater collection module 2 comprises a water collecting pipe 21 positioned in the greening module 1 and a water storage unit 22 communicated with the water collecting pipe 21; the irrigation module 3 comprises a water drawing unit 31 located in the water storage unit 22 and an irrigation unit 32 connected to the water drawing unit 31, and the irrigation unit 32 is irrigated towards the greening module 1.
Specifically, the water collecting pipe 21 is located in the drainage layer 14, and can collect rainwater in the drainage layer 14 into the water storage unit 22. The soil barrier layer 13 is made of geotextile, and the geotextile can keep sufficient strength and elongation in a dry and wet state due to the use of plastic fibers. The geotextile can resist corrosion for a long time in soil and water with different pH values. The geotextile has good water permeability and gaps among fibers, so the geotextile has good water permeability. The geotextile has good antimicrobial property and is not damaged by microorganisms or worm damage. The construction is convenient, and the geotextile is soft in material, so that the transportation, the laying and the construction are convenient. The geotextile has complete specification and width of 9 meters, and is the widest product in China at present. Soil barrier layer 13 can also adopt the membrane of permeating water, and the permeable membrane permeable moisture just can also block sandy soil. The vegetation layer 11 comprises a plurality of easily produced plants, the plants are planted on the soil layer 12, the waterproof layer 16 can be punctured by the production of plant roots in the process of plant growth, water leakage of the roof is further caused, and the waterproof layer 16 of the roof is protected to a certain extent by the arrangement of the puncture-preventing layer 15. The waterproof layer 16 may be made of asphalt or waterproof paint that does not leak water. The anti-puncture layer is generally formed by paving a layer of rammed soil, cement or steel plate and the like to block the root system of the plant.
The rainwater filtering module 4 is located between the water collecting pipe 21 and the water storage unit 22, and includes a first filtering piece 41 and a second filtering piece 42, the water collecting pipe 21 can be respectively communicated with the first filtering piece 41 and/or the second filtering piece 42, a first water stop valve 411 is arranged at the joint of the water collecting pipe 21 and the first filtering piece 41, and a second water stop valve 421 is arranged at the joint of the water collecting pipe 21 and the second filtering piece 42. Wherein, the communication between water collecting pipe 21 and first filtering element 41 and/or second filtering element 42 respectively includes the following three conditions: the water collecting pipe 21 is communicated with the first filtering piece 41 only, and the water entering the water storage unit 22 from the water collecting pipe 21 is filtered through the first filtering piece 41; the water collecting pipe 21 is communicated with the second filtering piece 42, and the water entering the water storage unit 22 from the water collecting pipe 21 is filtered through the second filtering piece 42; the water collecting pipe 21 communicates with the first filtering member 41 and the second filtering member 42, and the water entering the water storage unit 22 from the water collecting pipe 21 is filtered by the first filtering member 41 and the second filtering member 42.
In order to realize the above three schemes, the pipelines of the water collecting pipe 21 and the water storage unit 22 on the side close to the rainwater filtering module 4 are both provided with a three-way part 43, and both ends of the first filtering part 41 and the second filtering part 42 are respectively communicated with the three-way part 43. First filtration piece 41 includes the water inlet, delivery port and row's husky mouth, the water inlet is located the both ends that first filtration piece 41 is located respectively with the delivery port, row's husky mouth is located the middle part position of first filtration piece 41, all be provided with first stagnant water valve 411 on the pipeline of the water inlet of first filtration piece 41 and delivery port, the business turn over water of first filtration piece 41 is controlled through first stagnant water valve 411, and first stagnant water valve 411 and first filtration piece 41 between can also dismantle, thereby make things convenient for the washing of tearing open of first filtration piece 41, the quantity of first stagnant water valve 411 still can be one, only set up between first filtration piece 41 and collecting pipe 21, only need to control the inlet channel can. The second filters piece 42 including the water inlet, delivery port and row's husky mouth, the water inlet is located the both ends that the second filtered piece 42 with the delivery port respectively, row's husky mouth is located the middle part position that the second filtered piece 42, the second filters the water inlet of piece 42 and all is provided with second stagnant water valve 421 on the pipeline of delivery port, it controls the business turn over water of piece 42 to filter the second through second stagnant water valve 421, and can also dismantle between second stagnant water valve 421 and the second filtered piece 42, thereby make things convenient for the second to filter the washing of tearing open of piece 42, the quantity of second stagnant water valve 421 still can be one, only set up between second filtered piece 42 and header 21, only need to control the inlet channel can.
Preferably, a collecting box is disposed below the sand discharge port of the first filtering member 41 and the second filtering member 42, and the collecting box can collect the filtered impurities such as sand and the like, and the impurities are periodically treated after the collecting box is filled with the impurities. And, the first filter 41 and the second filter 42 both adopt a cyclone sand settling device. The cyclone sand setting equipment has the advantages of high sand removal rate, installation space saving, low leakage capture rate to individual micro solids, stable working state and the like. The cyclone sand settling equipment can also be replaced by other equipment which can separate solid impurities in liquid, such as a centrifugal settling machine and the like. Of course, the first filter element 41 and the second filter element 42 may also be implemented as a filter device such as a filter net, which is not limited herein.
In the using process of the irrigation system, the rainwater filtering module 4 needs to be cleaned regularly in order to ensure that the filtering function of the rainwater filtering module 4 is normal. When the first filter 41 needs to be detached for cleaning, the first stop valve 411 is closed, and the second stop valve 421 is opened, so that the rainwater can be filtered from the second filter 42. When the second filter element 42 needs to be removed for cleaning, the second stop valve 421 is closed, and the first stop valve 411 is opened. Through setting up first filter 41 and second filter 42, first filter 41 and second filter 42 can work in turn, even if one of them when dismantling the washing, this irrigation system's filtering capability does not receive any influence, has guaranteed irrigation system's normal operating. Meanwhile, the first filtering member 41 and the second filtering member 42 can work simultaneously, and when the amount of rainwater is large and the flow rate is large, the first water stop valve 411 and the second water stop valve 421 can be opened simultaneously, so that the filtering effect of the rainwater is enhanced.
Further, as an embodiment of the present invention provides a rainwater irrigation system for a green roof, which further includes a control module 5 for controlling the irrigation module 3 to automatically irrigate, where the control module 5 includes a controller 53, and in this embodiment, the controller 53 may select a conventional PLC control chip. Through setting up control module 5, can be so that irrigation system realizes that the rainwater is automatic irrigated, realized the intellectuality and the automation of system, improved the irrigation efficiency of rainwater, practiced thrift the manpower.
Specifically, the control module 5 includes a moisture monitoring unit 51 that is located in the greening module 1 and can monitor moisture. The water drawing unit 31 includes a water pump 311 and a control valve 312 provided on one side of the water pump, and the moisture monitoring unit 51 is electrically connected to the control valve 312. Moisture monitoring unit 51 can monitor the moisture in soil horizon 12, and when monitoring that the moisture in soil horizon 12 is less than the value of setting for, moisture monitoring unit 51 transmits the signal of telecommunication to controller 53 on, on will handling the signal transmission to control valve 312 after controller 53 receives, control valve 312 opens, and water pump 311 work is taken the rainwater and is irrigated in irrigation unit 32. When it is detected that the moisture in the soil layer 12 is greater than the set value, the moisture monitoring unit 51 transmits a different electrical signal, so that the control valve 312 is closed and the water pump 311 stops operating.
Further, the number of the moisture monitoring units 51 is at least five, and five of the moisture monitoring units 51 are distributed in the center of the greening module 1, and the other four moisture monitoring units 51 are distributed in a rectangular shape with the center of the moisture monitoring unit 51 as the center. Make monitoring unit evenly distributed in soil horizon 12, can monitor soil horizon 12's moisture on the whole for moisture monitoring's more accurate. Among them, five moisture monitoring units 51 are provided for the sake of cost saving, and the moisture monitoring units 51 may be provided in six or seven, etc., and the specific number thereof is not limited.
Further, the control module 5 also includes a water level sensor 52 located within the water storage unit 22, the water level sensor 52 being electrically connected to the control valve 312. The water level sensor 52 transmits an electric signal to the controller 53, and transmits a processed signal to the control valve 312 after the controller 53 receives the signal, thereby adjusting the opening and closing of the control valve 312. By providing the water level sensor 52, when there is no water in the water storage unit 22, the water level sensor 52 transmits a monitored electric signal to the control valve 312, the control valve 312 is closed, and the water pump 311 stops operating. When there is water in the water storage unit 22, the water level sensor 52 transmits the monitored electric signal to the control valve 312, the control valve 312 is opened, and the water pump 311 is restored to the operating state.
Further, the irrigation unit 32 is provided with a control valve 33 for adjusting the flow rate of irrigation water. The control valve 33 is electrically connected with the controller 53, and the opening and closing degree of the control valve 33 can be adjusted by modifying corresponding parameters on the controller 53, so that the water flow speed on the irrigation unit 32 can be adjusted, and the vegetation layer 11 can be conveniently irrigated.
Further, the first water stop valve 411 and the second water stop valve 421 are both electrically connected to the controller 53, and the first water stop valve 411 and the second water stop valve 421 can be opened and closed by setting parameters on the controller 53, so that automation and intellectualization of the first water stop valve 411 and the second water stop valve 421 are realized.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. A greening roof rainwater irrigation system, comprising:
a greening module (1);
the rainwater collection module (2) comprises a water collecting pipe (21) positioned in the greening module (1) and a water storage unit (22) communicated with the water collecting pipe (21);
-an irrigation module (3) comprising a water tapping unit (31) located inside the water storage unit (22) and an irrigation unit (32) connected to the water tapping unit (31), the irrigation unit (32) irrigating towards the greening module (1); and
a rainwater filtering module (4) between the collecting pipe (21) and the water storage unit (22), comprising a first filtering element (41) and a second filtering element (42), the collecting pipe (21) being communicable with the first filtering element (41) and/or the second filtering element (42), respectively.
2. A rainwater irrigation system for a green roof as defined in claim 1, wherein said water collecting pipe (21) and said water storage unit (22) are provided with a three-way member (43) at a side close to said filter module (4), both ends of said first filter member (41) and said second filter member (42) are respectively communicated with said three-way member (43), both ends of said first filter member (41) are provided with a first water stop valve (411), and both ends of said second filter member (42) are provided with a second water stop valve (421).
3. A rainwater irrigation system for a green roof as claimed in claim 1, further comprising a control module (5) for controlling automatic irrigation of said irrigation module (3).
4. A green roof rainwater irrigation system according to claim 3 and characterised in that said control module (5) includes a moisture monitoring unit (51) located in said green module (1) and adapted to monitor moisture.
5. A rainwater irrigation system for a green roof as claimed in claim 4, wherein said water drawing unit (31) comprises a water pump (311) and a control valve (312) arranged at one side of said water pump (311), and said moisture monitoring unit (51) is electrically connected with said control valve (312).
6. A green roof rainwater irrigation system according to claim 4 or 5 and wherein said moisture monitoring units (51) are at least five and wherein five of said moisture monitoring units (51), one being centrally located in said green module (1) and the remaining four being centrally located in said moisture monitoring unit (51) and being rectangularly located.
7. A green roof rainwater irrigation system according to claim 5 and further characterised in that said control module (5) further comprises a water level sensor (52) located within said water storage unit (22), said water level sensor (52) being electrically connected to said control valve (312).
8. A rainwater irrigation system for a green roof as claimed in any one of claims 1 to 5, characterised in that said irrigation unit (32) is provided with a control valve (33) for regulating the flow rate of irrigation water.
9. A rainwater irrigation system for a green roof according to any one of claims 1 to 5, characterized in that said green module (1) comprises, in order from top to bottom, a vegetation layer (11), a soil layer (12), a soil barrier (13), a drainage layer (14), a puncture-proof layer (15) and a waterproof layer (16), said water collection pipe (21) being located within said drainage layer (14).
10. A rainwater irrigation system for a green roof as claimed in any one of claims 1 to 5, wherein said first filter (41) and said second filter (42) each employ a cyclone sand-settling device.
CN202010166789.3A 2020-03-11 2020-03-11 Greening roof rainwater irrigation system Pending CN111264362A (en)

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Application Number Priority Date Filing Date Title
CN202010166789.3A CN111264362A (en) 2020-03-11 2020-03-11 Greening roof rainwater irrigation system

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Application Number Priority Date Filing Date Title
CN202010166789.3A CN111264362A (en) 2020-03-11 2020-03-11 Greening roof rainwater irrigation system

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Publication Number Publication Date
CN111264362A true CN111264362A (en) 2020-06-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111837888A (en) * 2020-08-03 2020-10-30 铜陵学院 Energy-conserving water jet equipment in building gardens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111837888A (en) * 2020-08-03 2020-10-30 铜陵学院 Energy-conserving water jet equipment in building gardens
CN111837888B (en) * 2020-08-03 2022-03-04 铜陵学院 Energy-conserving water jet equipment in building gardens

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