A kind of zero energy consumption rain irrigation system
Technical field
The present invention relates to a kind of rainwater utilization technology, is a kind of zero energy consumption rain irrigation system.
Background technology
China is the poor country of water resource, and water resources ownership per capita only has 2300 cubic metres, accounts for 1/4 of world's per capita share, and by international lack of water standard, China totally belongs to slight lack of water country (the water resource owning amount is between the 2000-3000 cubic meter per capita).China's distribution of water resources is extremely unbalanced again, and 81% of national water resource is concentrated and is distributed in the Changjiang river and areas to the south thereof, and the most lack of water of North City is serious.Simultaneously, along with the continuous quickening of urbanization process, water consumption is built in industrial or agricultural and the resident living water amount increases year by year, and shortage of water resources has become one of key factor that affects the Chinese society sustainable economic development.Rainwater takes full advantage of rainwater and can effectively alleviate the in short supply of city water resource as a kind of natural resources.
At present, existing many to the research of rainwater catchment system technology, rainwater is through collecting, purifying, and final being used for flushes the toilet and afforest.The pressure of city water resource shortage has been alleviated in the collection utilization of rainwater, but because the rainwater storage pool is many underground, when utilizing rainwater, needs to consume a large amount of electric energy rainwater is transported on the ground.
Publication number is that the Chinese patent application of CN1861920A has disclosed one way of life district rainwater-collecting processing and utilizing device, mainly comprises cistern and the water tank that is connected water pump and is connected with cistern.By using this invention, the rainwater that collect in the living area can be deposited in cistern, squeeze into water tank by water pump, through processing for the user, can consume a large amount of electric energy when using water pump.Publication number is a kind of method that the Chinese patent application of CN1920192U has disclosed Collection and use rainwater, is mainly to collect the rainwater on roof by the set roof tank, then for the resident.The set roof glassware for drinking water of this patent has certain potential energy, can directly use, but that cistern also is arranged on is underground, still need consume a large amount of electric energy when utilizing rainwater.Granted publication number discloses a kind of urban green belts rainwater-collecting and the slow irrigation rig of executing automatically for the Chinese patent application of CN201321625Y.This device can both have been saved water resource according to soil moisture situation automatic-watering plant with after rainwater-collecting, and the labour who has saved again municipal personnel drops into.When being risen to ground, rainwater still need consume a large amount of electric energy.
In sum, above-mentioned rainwater-collecting, comprehensive utilization device all need consume a large amount of electric energy.
Summary of the invention
The present invention provides a kind of zero energy consumption rain irrigation system for solving the technical problem that exists in known technology.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of zero energy consumption rain irrigation system, comprise storage cistern, wind-powered water lift, the water tank that is connected successively by pipeline and execute fill system, described water tank is provided with the overflow pipe that is connected with described storage cistern, is provided with valve connecting on described water tank and the described described pipeline of executing fill system.
The described fill system of executing is drip irrigation system.
Described valve is motor-driven valve, and described motor-driven valve adopts automatic control system to control, and described automatic control system is provided with power supply.
Described power supply is solar cell.
This irrigation system also comprises passive solar house, and described water tank is arranged in described passive solar house.
Described passive solar house is provided with heat collecting and accumulating wall and window.
Described passive solar house is provided with sunshading board.
Advantage and good effect that the present invention has are: the rainwater that utilizes wind-powered water lift will be arranged in underground storage tank is transported to and is arranged in the water tank of certain altitude on the ground, water tank is provided with overflow pipe, cistern water level surpasses certain altitude, and water can flow back to storage cistern along overflow pipe; In the water side, automaton is set, with Long-distance Control or the control automatically that realizes irrigating, adopting solar cell is the automaton power supply; Lay droping irrigating pipe, realize the efficient utilization of rainwater; Construct a passive solar house outside water tank, be in the Plant Tolerance scope to guarantee water temperature.
In sum, the present invention utilizes wind energy that rainwater is promoted to certain altitude, makes it have certain potential energy, the recycling rainwater, and rainwater can automatic flowing, has reduced a large amount of energy resource consumptions.The present invention can realize the efficient utilization of rainwater, alleviates urban water pressure; Can realize automatic control or Long-distance Control that rainwater is irrigated, the labour who reduces municipal personnel drops into; And whole system need not adopt external energy.
Description of drawings
Fig. 1 is structural representation of the present invention.
In figure: 1: storage cistern, 2, passive solar house, 3, wind-powered water lift, 4, water tank, 5, solar cell, 6, sunshading board, 7, window, 8, heat collecting and accumulating wall, 9, drip irrigation system, 10, overflow pipe.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and the cooperation accompanying drawing is described in detail as follows,
See also Fig. 1, a kind of zero energy consumption rain irrigation system, comprise storage cistern 1, wind-powered water lift 3, the water tank 4 that is connected successively by pipeline and execute fill system, described water tank 4 is provided with the overflow pipe 10 that is connected with described storage cistern 1, is provided with valve connecting on described water tank 4 and the described described pipeline of executing fill system.
In the present embodiment, for using water wisely, the described fill system of executing adopts drip irrigation system 9.In order to realize automatic control, described valve adopts motor-driven valve, and described motor-driven valve adopts automatic control system to control, and described automatic control system is provided with power supply.For further energy-conservation, described power supply adopts solar cell 5.For water temperature is in the scope of Plant Tolerance, this irrigation system also comprises passive solar house 2, and described water tank 4 is arranged in described passive solar house 2.Solar cell 5 is arranged on the roof of passive solar house 2.In order to facilitate the adjustment in passive solar house 2, described passive solar house 2 is provided with heat collecting and accumulating wall 8 and window 7.Described passive solar house is provided with sunshading board 6.
Operation principle of the present invention:
But be positioned at the rainwater that underground storage cistern 1 store collected arrives, the rainwater in storage cistern 1 can be extracted by wind-powered water lift 3 and enter in water tank 4 on the ground, and overflow pipe 10 can guarantee that rainwater superfluous in water tank 4 is back in storage cistern.In water tank 4, rainwater arrives soil horizon through drip irrigation system, satisfies vegetation required, can utilize solar energy to realize regularly regular automatic irrigation by automatic control system.Passive solar house 2 can regulate the room temperature, thereby avoid rainwater overheated or icing, wherein, sunshading board 6 can keep the sun off in summer, thereby reducing heat enters, and heat collecting and accumulating wall 8 can be stored into body of wall by the heat that daytime is abundant, and when low to nocturnal temperature, at releases heat, and then it is relatively stable to keep room temperature.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, within these all belong to protection scope of the present invention.