For the energy-saving environmental-protection roots infiltrating irrigation blanket of roof greening
Technical field
The utility model relates to the device field using void channels to be arranged on underground, especially relates to a kind of energy-saving environmental-protection roots infiltrating irrigation blanket for roof greening.
Background technology
Roof greening is as a kind of Virescence form not taking ground, and its application is more and more extensive, and its value is not only to increase green for city, and can reduce the radiant heat on construction material roof, reduces urban heat land effect.If be used very well and promote, forming the overhead green system in city, is immeasurable to the improvement result of urban environment.
And the temperature and humidity conditions of roof greening is poor, because roof is positioned at eminence, surrounding is relatively spacious, and therefore wind speed is larger than ground, and moisture evaporation is fast, and distance ground, roof is higher, and greening condition is poorer.Roof planting need consider the weight capacity on roof simultaneously, and therefore, need reduce planting soil amount as far as possible, and planting soil amount is few, plant water-holding capacity is deteriorated further, and water and soil loss speed is accelerated, and plant is easily withered dead.Existing irrigation method manually need carry out watering and irrigate, and wastes time and energy, and when cultivated area is large, and this watering mode exists that watering is uneven, and Activities of Some Plants cannot be irrigated, and watering amount is large, extremely wastes.In addition, the root of plant is the main portions of plant absorption moisture, and this watering mode cannot make plant fully absorb water resource, causes the significant wastage of water resource.And city water resource lacks, this kind of planting patterns causes the cost of roof greening high undoubtedly, is unfavorable for the sustainable development in city, and is difficult to roof greening to be promoted.
Utility model content
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of and strengthens plant water-holding capacity, facilitate the energy-saving environmental-protection roots infiltrating irrigation blanket for roof greening of plant irrigation.
To achieve these goals, the utility model is by the following technical solutions:
For an energy-saving environmental-protection roots infiltrating irrigation blanket for roof greening, comprise the watertight composition that can fit in roof surface and be adjacent to the cotton layer of retaining of planting soil bottom surface, the cotton layer of retaining and watertight composition link into an integrated entity structure; Be provided with the feed pipe of some band apopores between watertight composition and the cotton layer of retaining, form water reserve between adjacent feed pipe, between watertight composition and feed pipe, be provided with drain bar.This infiltrating irrigation blanket arranges watertight composition can prevent rainwater infiltration, and feed pipe can be irrigated plant in water outlet, unnecessary irrigation water and rainwater can be collected by water reserve, keep soil moisture, apopore from feed pipe water out then can cause in soil by the cotton layer of retaining, avoid apopore to block simultaneously, also serve the effect of retaining to a certain extent; Drain bar can get rid of unnecessary moisture, prevents ponding; This infiltrating irrigation blanket seeps water and to irrigate plant root from soil, the water oozed out can be absorbed by plants to the full extent, realize making full use of of water resource, and decrease irrigation volume, reduce the maintenance cost of plant, uniform irrigation can be carried out to soil simultaneously, ensure the normal growth of plant.
Further, the surface of described drain bar has some osculums, and the bottom of drain bar is provided with some fins.Get rid of excessive moisture, prevent plant root ponding.
Further, the filler preventing deformation is provided with in described feed pipe; The surface that described watertight composition can be affixed on roof is provided with stopping area.This filler can prevent feed pipe deformation, keeps the result of use of feed pipe, strengthens crushing resistance, avoids damaging because pressure is excessive; This stopping area being set, can preventing plant from wearing out building, simultaneously without the need to arranging root resistance structure at whole roof surface, using convenient.
Further, described apopore is yi word pattern arrangement along the top of feed pipe, and this apopore is adjacent to the cotton layer of retaining.Apopore water when water outlet of this setting can directly enter in the cotton layer of retaining, and the water delivery effect of realization is best, and water delivery is the most abundant, advantageously in the absorption of plant.
Further, described waterproofing layer thickness is 1/3rd of retaining cotton layer thickness.The thickness of watertight composition can be down to minimum by this setting, and water delivery and the water storage effect of the cotton layer of retaining are best, and weight is down to the lightest, in the good fixing effect on roof.
Further, also comprise a self-checking device, this self-checking device comprises the moisture detector that can insert in planting soil, connects the water tank of feed pipe, the water control valve connecting feed pipe and water pump and the central controller being connected moisture detector, water control valve and water pump.This self-checking device detects soil moisture by moisture detector, and then passes through the open and close of central controller controls water control valve, water pump, and realize the water outlet of water tank, time saving and energy saving, the accuracy of control is high.
In sum, the utility model has and can carry out uniform irrigation to soil, reduces irrigation volume, and can also collect unnecessary irrigation water and rainwater, keeps soil moisture, further saves the advantages such as water resource.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cutaway view of the present utility model.
Embodiment
In order to make those skilled in the art person better understand the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in the utility model embodiment.
As shown in Figure 1-2, a kind of energy-saving environmental-protection roots infiltrating irrigation blanket for roof greening, comprise the watertight composition 1 that can fit in roof surface and the cotton layer 2 of the retaining being adjacent to planting soil 6 bottom surface, be provided with the feed pipe 3 of some band apopores 31 between watertight composition 1 and the cotton layer 2 of retaining, between adjacent feed pipe 3, form water reserve 4.The structure and the cotton layer 2 of retaining and watertight composition 1 link into an integrated entity, watertight composition 1 is made up of PE material.Watertight composition 1 is provided with connecting hole, and the cotton layer of retaining connects the connecting hole of watertight composition by rope, the surface that watertight composition 1 can be affixed on roof is provided with stopping area 5, and this stopping area is Copper Foil, this Copper Foil and watertight composition 1 tack coat one.
Concrete, be provided with the filler preventing deformation in described feed pipe 3; This filler is hard filler, as handstone.
Preferably, described apopore 31 is that yi word pattern is evenly distributed along the top of feed pipe 3, and this apopore 31 is adjacent to the cotton layer 2 of retaining.Meanwhile, described watertight composition 1 thickness is 1/3rd of cotton layer 2 thickness of retaining.
Preferably, between watertight composition 1 and feed pipe 3, drain bar 7 is provided with.The surface of described drain bar 7 has some osculum 7a, and the bottom of drain bar 7 is provided with some fin 7b.Drain bar 7 can get rid of excessive moisture, prevents ponding, and unnecessary water enters the storage of recovery system inflow water tank and is convenient to reuse, saving water resource.Drain bar 7 can be made up of high-density hard rubber or PE material, and this type of material has that anti-aging, durability is strong, hardness high.
In order to realize the automatic control of irrigating, this infiltrating irrigation blanket also comprises a self-checking device, and this self-checking device comprises the moisture detector that can insert in planting soil 6, connects the water tank of feed pipe 3, the water control valve connecting feed pipe 3 and water pump and the central controller being connected moisture detector, water control valve and water pump.
During use, when moisture detector detects soil moisture lower than setting humidity, moisture detector sends signal to central controller, and central controller controls water control valve and water pump are opened, and the water in water tank enters feed pipe 3 pairs of soil and irrigates; And when moisture detector detects, when soil moisture reaches setting value, moisture detector sends signal to central controller, central controller controls water pump and water control valve are closed, and feed pipe 3 stops water outlet.Go out water speed and the water yield in the unit interval by water control valve and testing pump feed pipe, avoid out dilutional hyponatremia and cause waste.
Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.