CN112243738A

CN112243738A - Roof greening system for energy-saving building

Info

Publication number: CN112243738A
Application number: CN202011148216.4A
Authority: CN
Inventors: 王晓军; 冯惠萌; 张泽成; 梅婧
Original assignee: Individual
Current assignee: Zhongyifeng Construction Group Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-01-22
Anticipated expiration: 2040-10-23
Also published as: CN112243738B

Abstract

The invention relates to an energy-saving building, in particular to a roof greening system for the energy-saving building, which comprises a green plant planting module, a watering module and an anti-seepage module, wherein the green plant planting module comprises a green plant layer, a planting layer, a filtering layer and a water storage and drainage layer which are sequentially arranged from top to bottom; the irrigation module comprises a water pump, a pipeline and a spray head, the spray head comprises a connecting pipe connected to the pipeline, a spray cap is arranged at the upper end of the connecting pipe, a plurality of vertical water spray nozzles are uniformly arranged on the spray cap, a height-adjustable water retaining cap is arranged at the upper end of the spray cap, and the water retaining cap is downward hemispherical; the prevention of seepage module sets up between green planting module and roof, and the prevention of seepage module includes root layer, antiseep layer one, drying layer, antiseep layer two, the bed course that separates that top-down set gradually, is provided with water trap in the drying layer, and water trap includes two conductor wires, is connected with the power between two conductor wires, and the conductor wire is connected with many conductive silks, and the conductive silk crisscross distribution of two conductor wires can the effective control effect of sprinkling irrigation.

Description

Roof greening system for energy-saving building

Technical Field

The invention relates to an energy-saving building, in particular to a roof greening system for the energy-saving building.

Background

The energy-saving building is a basic method for following climate design and energy saving, and the low-energy-consumption building is designed after researching building planning subareas, groups and monomers, building orientation, space, solar radiation, wind direction and external space environment, and mainly comprises the following indexes: building planning and plane layout are beneficial to natural ventilation, and the greening rate is not lower than 35%; the building spacing is to ensure that each household has at least one living space which can obtain full-window sunshine for 2 hours in the day of severe cold, etc.

In order to realize energy-saving buildings, technicians in the field widely research energy conservation of environmental control, utilization of clean resources and reinforcement of greening, wherein the reinforcement of greening is planting of green plants at positions such as side walls and roofs, and the greening effect is improved.

The existing roof greening mainly has two modes, one mode is that flowerpots are placed on the roof, the other mode is that planting bases are laid on the roof for planting, the mode for placing flowerpots on the roof is low in cost, but watering is troublesome, the survival rate is low, the planting bases are laid on the roof, watering is convenient, the planting area is large, and the planting bases are widely used.

Present planting base formula roof greening system mainly includes green layer of planting, plants the basic unit, irrigates through the mode of sprinkling irrigation or driping irrigation, irrigates through driping irrigation, and the removal plant surface dust that can not be fine, and the fertilization effect is poor, uses the sprinkling irrigation mode to irrigate, can be fine get rid of plant surface dust, and fertilize evenly, but owing to sprinkling irrigation at the roof, produces easily and spatters, produces the influence to the resident family.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide an energy-saving roof greening system for buildings, which can effectively control the sprinkling irrigation effect.

The invention is realized by the following technical scheme: a roof greening system for an energy-saving building comprises a green plant planting module, a watering module and an anti-seepage module,

the green planting module comprises a green planting layer, a filtering layer and a water storage and drainage layer which are sequentially arranged from top to bottom;

the irrigation module comprises a water pump, a pipeline and a spray head, the spray head comprises a connecting pipe connected to the pipeline, a spray cap is arranged at the upper end of the connecting pipe, a plurality of vertical water spraying ports are uniformly arranged on the spray cap, a water retaining cap with adjustable height is arranged at the upper end of the spray cap, and the water retaining cap is downward hemispherical;

the seepage-proofing module sets up between green planting module and roof, the seepage-proofing module includes root layer, antiseep layer one, drying layer, antiseep layer two, the bed course that separates that top-down set gradually, be provided with water trap in the drying layer, water trap includes two conductor wires, is connected with the power between two conductor wires, the conductor wire is connected with many conductive silks, and the conductive silk staggered distribution of two conductor wires.

Further, the green layer of planting is including the planting frame of assembling, there are a plurality of planting check on the planting frame, connect through a plurality of elasticity clamps between two adjacent planting frames.

Furthermore, the planting layer comprises a coarse sand layer, a fine sand layer and a matrix layer which are sequentially arranged from top to bottom.

Furthermore, the spraying cap is communicated with an upward supporting tube, the supporting tube penetrates through the water retaining cap upwards, the supporting tube is in threaded connection with the water retaining cap, a lamp is arranged at the upper end of the supporting tube, and a control device for controlling the lamp to be opened and closed is arranged in the supporting tube.

Further, the control device comprises a first piston and a second piston which are arranged in a supporting pipe, sealing rings are arranged on the side walls of the first piston and the second piston, the second piston is located above the first piston, a top block is arranged at the upper end of the second piston, a first supporting ring used for preventing the first piston from separating is arranged at the lower end of the supporting pipe, a second supporting ring used for preventing the second piston from separating is arranged at the upper end of the supporting pipe, the top block upwards penetrates the second supporting ring, a buffer spring is arranged between the second supporting ring and the second piston, and a switch matched with the top block is arranged on the lamp.

Furthermore, a connecting sleeve is arranged at the lower end of the lamp, threads at the lower end of the connecting sleeve are sleeved on the supporting tube, an elastic membrane is arranged at the upper end of the supporting tube, and the switch is arranged in the connecting sleeve and is right opposite to the ejector block.

The invention has the beneficial effects that: a roof greening system for an energy-saving building is provided with a planting module, an irrigation module and an anti-seepage module, wherein the green planting module comprises a green planting layer, a filter layer and a water storage and drainage layer which are sequentially arranged from top to bottom, the green planting layer, the filtering layer and the water storage and drainage layer can be guaranteed to have better soil moisture all the time, the survival rate is guaranteed, the irrigation module comprises a water pump, a pipeline and a nozzle, the nozzle comprises a connecting pipe connected to the pipeline, a nozzle cap is arranged at the upper end of the connecting pipe, a plurality of vertical water spraying openings are uniformly formed in the nozzle cap, a height-adjustable water retaining cap is arranged at the upper end of the nozzle cap, the water retaining cap is of a downward hemisphere shape, the irrigation range is wider, water columns on the upper side are shielded by the water retaining cap, the injection height can be controlled, the water is prevented from being sprayed out of a roof, the height of the water retaining cap is adjustable, the water retaining height can be controlled, the seepage-proofing module comprises a root-separating layer, an anti-seepage layer I, a drying layer, an anti-seepage layer II and a cushion layer which are sequentially arranged from top to bottom, a dewatering device is arranged in the drying layer and comprises two conducting wires, a power supply is connected between the two conducting wires, the conducting wires are connected with a plurality of conducting wires, the conducting wires of the two conducting wires are distributed in a staggered mode, the root-separating layer is arranged, the root part of green plants can be prevented from being downwards damaged by the anti-seepage layer I, a good seepage-proofing effect can be achieved through the anti-seepage layer I, the drying layer is arranged, the anti-seepage layer II can be protected, insects can be prevented from downwards damaging the anti-seepage layer II, the long-seepage effect can be achieved, the dewatering device is arranged, form water vapor dispersion, so as to prevent agglomeration and infiltration.

Drawings

FIG. 1 is a schematic top view of example 1;

FIG. 2 is a schematic cross-sectional view of a green plant growing layer and an impermeable layer;

FIG. 3 is a schematic top view of a planting frame;

FIG. 4 is a schematic view of a connection relationship between two adjacent planting frames;

FIG. 5 is a schematic sectional view of the showerhead;

FIG. 6 is an enlarged view of a portion of FIG. 5A;

FIG. 7 is a schematic view of the connection between conductive wires and conductive filaments;

FIG. 8 is a schematic structural view of an exterior wall greening system;

FIG. 9 is a schematic view of a planting groove structure;

FIG. 10 is a schematic sectional front view of a planting groove;

FIG. 11 is a schematic left sectional view of a planting groove;

FIG. 12 is an enlarged view of a portion of FIG. 11 at B;

FIG. 13 is a schematic view of the makeup tank;

FIG. 14 is a schematic left sectional view of the refill tank;

FIG. 15 is a schematic view of the water blocking device;

FIG. 16 is a schematic sectional view of the water blocking device;

FIG. 17 is an enlarged view of a portion of FIG. 16 at C;

FIG. 18 is a schematic view of a valve plate;

FIG. 19 is a schematic left sectional view of the sink;

FIG. 20 is an enlarged view of a portion of FIG. 19 at D;

FIG. 21 is a schematic sectional view showing the connection between the connection column and the planting groove in embodiment 2;

wherein: 1-planting frame, 2-nozzle, 3-green plant, 4-coarse sand layer, 5-fine sand layer, 6-substrate layer, 7-filter layer, 8-water storage and drainage layer, 9-root separation layer, 10-first anti-seepage layer, 11-drying layer, 12-second anti-seepage layer, 13-cushion layer, 14-conductive filament, 15-water pipe, 16-elastic clamp, 17-lamp, 18-connecting pipe, 19-nozzle cap, 20-water spray opening, 21-water-retaining cap, 22-joint, 23-supporting pipe, 24-piston I, 25-first supporting ring, 26-connecting sleeve, 27-switch, 28-elastic membrane, 29-piston II, 30-second supporting ring, 31-top block, 32-buffer spring and 33-sealing ring, 34-nut, 35-backup nut, 36-electric lead, 37-power supply, 38-roof, 39-outer wall, 40-water tank, 41-water outlet pipe, 42-tap water pipe, 43-base plate, 44-planting tank, 45-grass blocking rod, 46-water outlet hole, 47-planting groove, 48-water supplementing tank, 49-water distributing layer, 50-water distributing pipe, 51-bending part, 52-water outlet, 53-planting base layer, 54-filter layer I, 55-planting grid plate, 56-blocking hook, 57-blocking cap, 58-connecting rod, 59-connecting rod, 60-coating, 61-supporting rod, 62-connecting plate, 63-water inlet pipe, 64-water outlet pipe, 65-water supplementing pipe and 66-screw rod, 67-a suction expansion water-blocking device, 68-a connecting pipe, 69-a baffle, 70-a water passing hole, 71-a sealing block, 72-a pressing block, 73-a pressing plate, 74-a valve plate, 75-a base, 76-a blocking grid plate, 77-a push rod, 78-a push plate, 79-a return spring, 80-a suction expansion cavity, 81-an elastic sealing membrane, 82-a suction expansion ball, 83-a support column, 84-a filtering grid plate, 85-a slow release fertilizer, 86-a floating seat and 87-a guide column.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Example 1

As shown in fig. 1-7, a roof greening system for energy-saving buildings comprises a green plant planting module, a watering module and an anti-seepage module,

the green planting module comprises a green planting layer, a filter layer 7 and a water storage and drainage layer 8 which are sequentially laid from top to bottom, wherein the green planting layer comprises an assembled planting frame 1, a plurality of planting grids are arranged on the planting frame, green plants 3 are planted in the green planting grids and are arranged in order, two adjacent planting frames are connected through a plurality of elastic clamps 16, for convenient manufacture, the planting frame is a cast iron grid plate, the thickness of the planting frame is 8-10mm, the size of the planting frame is 800mm, the planting frame has high structural strength, treading deformation is avoided, the planting frame is connected through the elastic clamps, dislocation can be avoided, the green plants are integrally neat, the mower can be ensured to be stable and neat in the moving process, the planting layer comprises a coarse sand layer 4, a fine sand layer 5 and a matrix layer 6, the coarse sand layer is 10-12mm, the coarse sand layer is composed of coarse quartz sand with the average grain size of 3mm, and the loss of lower layer materials in a rich water period can be prevented, the fine sand layer has the thickness of 10-12mm, is composed of fine quartz sand with the average grain diameter of 1mm, has a quicker water seepage effect, and can ensure that the substrate layer is uniformly covered, on the lower part of the fine quartz sand layer, the matrix is mixed with the fine quartz sand to cause loose soil, is suitable for the existence of microorganisms and insects, provides a foundation for decomposing fallen leaves, consists of soil, poultry manure and leaves, has the thickness of 50-80mm, has the weight ratio of 97:1:2, can provide rich nutrition, comprises a steel wire mesh layer, the upper surface and the lower surface of the steel wire mesh layer are both compounded with non-woven fabrics, the quartz sand with the particle size of 1.5mm is filled between the two layers of non-woven fabrics, can support planting the layer through the filter layer, can also protect and hold the drainage blanket, avoid the matrix layer to get into and hold in the drainage blanket, hold the drainage blanket and constitute by Jiangsu green south of double plastics limited's P-208 drain bar.

The anti-seepage module is laid between the green plant planting module and the roof 38, the anti-seepage module comprises a root separating layer 9, an anti-seepage layer I10, a drying layer 11, an anti-seepage layer II 12 and a cushion layer 13 which are laid in sequence from top to bottom, the root separating layer consists of root resisting plates of Jiangsu Green south double-south plastic products Co., Ltd, the anti-seepage layer I and the anti-seepage layer II are both made of anti-seepage films of Fuxing agricultural materials Co., Ltd, the anti-seepage effect is good, the drying layer is internally laid with hydrophobic mortar, particularly, the permeable crystalline waterproof mortar of Jinnan Cummingtong building materials Co., Ltd is selected, the thickness of the drying layer is 6-8mm, the drying layer has good structural strength and anti-seepage effect, a water removing device is arranged in the drying layer, the water removing device comprises two conducting wires 36, the two conducting wires are arranged close to the edge of the roof, a, the electric lead is connected with a plurality of electric leads 14, the electric leads of the two electric leads are distributed in a staggered way, for convenient manufacture, the electric leads are made of 2mm steel wires, the electric leads are 4mm steel wires, the end parts of the electric leads are wound on the electric leads, the electric leads are mutually parallel and evenly distributed, the distance between two adjacent electric leads on the same electric lead is 8-10mm, the electric leads are laid on the upper layer of the drying layer, the waterproof mortar has better hydrophobic effect, when a small hole is damaged on the anti-seepage layer, the waterproof effect can be achieved, when a large hole is damaged on the anti-seepage layer, the two adjacent electric leads are conducted due to water seepage, a loop is formed between the two electric leads, the electric leads are electrified to generate heat, the water is heated and evaporated, the downward seepage is prevented, the water vapor can not be rapidly discharged due to the effects of the first anti-seepage layer and the upper layer, the local heat collection is, maintainer observes the green situation of planting, examines and eliminates, discovers this seepage, and then repairs, inspects the power simultaneously, in time changes or charges, can also spray protection against insects liquid on waterproof mortar surface, avoids the worm to move downwards, and then avoids the residue that the worm produced to corrode dry layer and prevention of seepage layer one, and the bed course comprises the quartz sand that the granularity is 2mm, and thickness is 8-10mm, can make the basis level and smooth, provides the basis for laying of upper strata.

The irrigation module comprises a water pump, a pipeline and a spray head 2, in order to facilitate fertilization, a water-fertilizer integrated machine is adopted, in particular to the water-fertilizer integrated machine of Shandong Yujiahe agricultural science and technology Limited company, the pipeline comprises a water pipe 15 laid in a planting layer, the water pipe is connected with a plurality of upward water outlet pipes, the water pipe and the water outlet pipes are galvanized pipes and have good anti-corrosion effect, the spray head comprises a connecting pipe 18 connected to the water outlet pipes, the connecting pipe and the water outlet pipes are connected through a connector 22, the installation height of the spray head is adjusted according to the height of a roof enclosing wall, the spray head can be prevented from splashing outside the roof through selecting the length adjustment of the connecting pipe and further from influencing a house, the upper end of the connecting pipe is in threaded connection with a spray cap 19, the spray cap is made of stainless steel material, a plurality of vertical water spray nozzles 20 are uniformly processed, the upper end of the spray cap is provided with a water retaining cap 21 with adjustable height, the water retaining cap is downwards hemispherical, the water column on the upper side is shielded by the water retaining cap, the spray height can be controlled, the spray cap is prevented from being sprayed out of a roof to avoid interference with residents, the water column can be scattered to improve the spray irrigation effect, the height of the water retaining cap is adjustable, the water retaining height can be controlled, the spray cap is convenient to install and has the effects of warning and beautifying, the spray cap is communicated with an upwards supporting tube 23, the supporting tube upwards penetrates through the water retaining cap, the supporting tube is in threaded connection with the water retaining cap, the lamp 17 is arranged at the upper end of the supporting tube, specifically, a nut 34 is arranged in the middle of the water retaining cap, the supporting tube is connected with the water retaining cap through a nut, the supporting tube is further sleeved with a tightening nut 35, the height of the water retaining cap, the light path is changed, the light adopts a neon lamp, the decoration effect can be achieved, people can be reminded of avoiding water, a control device for controlling the opening and closing of the light is installed in the supporting tube, the control device comprises a first piston 24 and a second piston 29 which are installed in the supporting tube, sealing rings 33 are installed on the side walls of the first piston and the second piston, the sealing rings are O-shaped rings, a sealing cavity is formed in the supporting tube between the first piston and the second piston, hydraulic oil is filled in the sealing cavity, the transmission stability can be improved, the sealing rings can be lubricated, the second piston is located above the first piston, a top block 31 is installed at the upper end of the second piston, a first supporting ring 25 for preventing the first piston from being separated is installed at the lower end of the supporting tube, a second supporting ring 30 for preventing the second piston from being separated is installed at the upper end of the supporting tube, the top block upwards penetrates, the inner cavities of the first support ring and the second support ring are prismatic, rotation is facilitated through a tool, a buffer spring 32 is arranged between the second support ring and the second piston, the buffer spring is arranged, the second piston can be ensured to drive the ejector block to be separated from the switch under a normal state, a buffer effect can be achieved during sprinkling irrigation, the ejector block is prevented from pushing the switch at a high speed, rigid collision between the second piston and the second support ring can be avoided, for convenience in installation, a connecting sleeve 26 is arranged at the lower end of the lamp, the lower end of the connecting sleeve is sleeved on the support tube in a threaded mode, an elastic membrane 28 is arranged at the upper end of the support tube and can prevent water from entering the switch, the switch is arranged in the connecting sleeve and is opposite to the ejector block, due to the fact that leaves are transpired in the daytime, the sprinkling irrigation is suitable for being carried out at night or at night, the water spray warning device has a good beautifying effect, and can remind people moving on the roof to avoid water spray.

The roof greening system for the energy-saving building is particularly suitable for commercial houses with flat roofs and has a good effect on urban greening.

To enhance the greening effect, the roof greening system for energy-saving buildings is also generally constructed together with an outer wall greening system, as shown in fig. 8-20, comprising a planting frame module, a planting module and a watering module,

the planting frame module comprises a plurality of planting frames arranged on a wall body, the planting frames are arranged in rows and columns or in a designed beautiful shape, such as a round shape, and have a good beautiful effect, the planting frames comprise a base plate 43 arranged on an outer wall 39, the base plate is a rectangular steel pore plate, the surface of the base plate is coated with an antirust paint layer, the base plate is fixed with the outer wall through expansion bolts arranged in rows and columns, the stability is high, and simultaneously, an outer wall heat insulation layer can be fixed, a planting groove 44 is arranged on the base plate, the planting groove is made of waterproof concrete or ceramic, the base plate has good corrosion resistance, good structural stability and leakage resistance, the height value of the inner side of the planting groove is higher than that of the outer side, the water drainage can be good, the whole weight can be effectively reduced, the lighting effect of green planting is improved, in order to ensure that the planting groove is stably connected with the, the spliced pole passes through the base plate and is connected with a blocking cap 67 which is made of a steel plate, the surface of the blocking cap is coated with antirust paint, the production is simple, the blocking cap can be directly replaced by short steel bars, the surface of the blocking cap is coated with the antirust paint, the blocking cap is connected with a connecting rod 58 which is connected with the connecting rod, a waterproof mortar coating 60 is arranged between the blocking cap and the base plate, the connection can be strengthened and has good waterproof effect, the spliced pole is tubular, the connecting rod inwards passes through the spliced pole and extends into the planting groove, the connecting rod is made of deformed steel, the connecting rod is welded and connected with an upward grass blocking rod 45 which is also formed by bending the deformed steel, the grass blocking rod upwards extends out of the planting groove and bends towards the base plate, the tail end of the bending part is welded with a screw rod which passes through the base plate, the screw rod is positioned at two sides of the base plate and is, keep off the grass pole and can provide the support for climbing the rattan plant, can support green planting upper end simultaneously in the windage, improve the anti-wind ability, and simultaneously, keep off the effect that the grass pole can play secondary protection to planting the groove, specifically for can stopping to plant the groove and overturn, still install on the base plate and be used for fixed fender hook 56 of planting the groove upper end, it is L shape to keep off the hook, keep off the hook and cut the shaping by the U-shaped bolt, the preparation is convenient, the first wing of fender hook is for taking a screwed wing, it is equipped with adjusting nut to pass the base plate and overlap, the second wing of fender hook is down with planting groove lateral wall tight fitting, fix the upper end of planting the groove, and then guarantee fixed stability.

The planting module comprises a water distribution layer 49 laid at the bottom of the planting groove, the thickness of the water distribution layer is 4cm, volcanic rocks with the average particle size of 4-5mm are filled in the water distribution layer, the water distribution layer has a porous structure, light weight, a water retention effect and large gaps, water flow is facilitated, and a water distribution effect is achieved, the planting base layer 53 is laid on the water distribution layer, the thickness of the planting base layer is 4mm, the planting base is composed of soil, poultry manure and leaves, the weight ratio of the soil to the poultry manure to the leaves is 97:1:2, a filter layer 54 is laid on the planting base layer, the thickness of the filter layer is 2cm, the filter layer one is composed of water permeable brick fragments, the average particle size of the water permeable brick fragments is 3-4mm, the water permeable brick fragments can be well filtered, the planting base layer is prevented from overflowing, planting grid plates 55 are laid on the planting grooves, the planting grid plates are composed of two layers of steel wire meshes, the hole diameters of the steel wire meshes are 20mm, green plants can be conveniently planted, the water permeable brick fragments can be prevented from moving, the inner ends of the planting grid plates extend to the lower portion of the connecting rods, the outer ends of the planting grid plates are attached to the inner wall of the planting.

The irrigation module comprises a water tank 40 arranged above the planting frame module, the water tank is made of steel and is fixed with an outer wall through support columns 83 and expansion bolts which are arranged in rows, an anti-rust paint layer is coated on the surface of the water tank, a tap water pipe 42 is arranged in the water tank, specifically, the outlet of the tap water pipe is positioned in the water tank, a water replenishing valve is arranged at the outlet of the tap water pipe, the outlet of the tap water pipe faces downwards, the water replenishing valve comprises a floating seat 48 arranged at the outlet of the tap water pipe, a guide column 87 used for being inserted into the tap water pipe is arranged at the upper end of the floating seat, a sealing gasket is arranged on the upper end surface of the floating seat and surrounds the guide column, for convenient manufacture, the floating seat is an air bag, the sealing gasket and the floating seat are integrally formed, the guide column is a stainless steel pipe and is fixed with the floating seat through gluing, a slow release fertilizer 85 is paved at the bottom of the water, when the water level descends, the floating seat is supported by the slow release fertilizer to avoid the guide column from being separated from a tap water pipe, a suction expansion water blocking device 67 is arranged at the upper end of the floating seat on the tap water pipe and comprises a connecting pipe 68, a baffle plate 69 is integrally formed in the middle of the connecting pipe, a water through hole 70 is processed in the baffle plate, a valve plate 74 is arranged in the baffle plate in a penetrating manner, one end of the valve plate is connected with the suction expansion device which comprises a base 75 integrally formed on the connecting pipe, a suction expansion cavity 80 is processed on the base and connected with a push rod 77, the push rod extends into the suction expansion cavity and is connected with a push plate 78, an elastic sealing film 81 is arranged in the suction expansion cavity and is a silica gel film, the sealing effect is good, the water in the tap water pipe can be prevented from influencing the work of the suction expansion layer, a suction expansion layer is laid outside the elastic sealing film and consists of a suction expansion ball 82, in particular to be a water, the water absorption expansion is slow, the blocking grid plate 76 is installed on the base outside the absorption expansion layer, water can permeate, the outward expansion of the absorption expansion layer can be avoided, the reset spring 79 is installed between the push plate and the connecting pipe, the rubber sealing block 71 matched with the valve plate is installed on the baffle plate, the outer end of the sealing block is provided with the pressing block 72, the pressing plate 73 is installed on the connecting pipe, the sealing block is supported through the pressing plate and the pressing block and further matched and sealed with the valve plate, in the using process, under the action of the reset spring, the valve plate is separated from the elastic sealing block, water in the tap water pipe flows out, the water level rises to push the floating seat to rise, and further the tap water pipe is preliminarily sealed, but the water pressure of the tap water pipe is large, the tap water pipe can continuously flow out, the flow rate is reduced, the water level slowly rises to contact the absorption expansion layer, further promote the valve plate to seal with the elastic sealing block, achieve the complete sealing effect, when the water is separated from the swelling layer, under the reset force of the elastic sealing film and the reset spring, the swelling layer dehydrates, the valve plate is separated from the elastic sealing block, and supplies water to the water tank, in order to improve the stability, the tap water pipe is provided with a pressure regulating valve, the water outlet pressure is adjusted to 0.12Mpa, the early stage water spraying of the tap water pipe blocked by the lifting seat is avoided, the water tank is connected with a water outlet pipe 41, the first end of the planting tank is connected with a water supply tank 48, the water supply tank is communicated with the water outlet pipe, a water distribution pipe 50 is arranged in the water distribution layer, the water distribution pipe is communicated with the water supply tank, the second end of the planting tank is provided with a water discharge hole 46, the water discharge hole is positioned above the planting grid plate, the water can discharge when the water level is too, the water replenishing tank is convenient to install, a water inlet pipe 63 is arranged above the water replenishing tank, a water outlet pipe 64 is arranged below the water replenishing tank, a water replenishing pipe 65 matched with the water distribution pipe is arranged on the side of the water replenishing tank, an expansion water blocking device is also arranged at the water inlet end of the water distribution pipe, the opening and closing of the water distribution pipe are controlled through the water in the planting groove, the automatic water replenishing effect is further achieved, the water distribution pipe extends to the second end of the planting groove, a water outlet 52 is machined in the side wall of the water outlet end of the water distribution pipe, the water is detected at the water inlet section of the water distribution pipe, the water replenishing is further guaranteed to be sufficient, an.

Planting the groove upper end and installing and filtering grid plate 84, filtering grid plate slope installation can stop in debris get into the basin, and the cartridge has a plurality of die-pins 61 that are used for lifting planting groove lower extreme, improvement stability under the base plate.

Example 2

As shown in fig. 21, the roof greening system for energy-saving buildings is different from the first embodiment in that the connecting column is a concrete column, the side wall of the planting groove is provided with an opening matched with the connecting column, the blocking cap and the concrete column are integrally formed, and the connecting rod is embedded in the concrete column.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A roof greening system for an energy-saving building is characterized by comprising a green plant planting module, a watering module and an anti-seepage module,

2. The roof greening system for energy-saving buildings according to claim 1, wherein the green planting layer comprises spliced planting frames, a plurality of planting grids are arranged on the planting frames, and two adjacent planting frames are connected through a plurality of elastic clips.

3. The roof greening system for energy-saving buildings according to claim 1, wherein the planting layer comprises a coarse sand layer, a fine sand layer and a substrate layer which are arranged in sequence from top to bottom.

4. The roof greening system for energy-saving buildings as claimed in claim 1, wherein the spraying cap is connected to an upward supporting tube, the supporting tube passes through the water-retaining cap, the supporting tube is in threaded connection with the water-retaining cap, a lamp is arranged at the upper end of the supporting tube, and a control device for controlling the lamp to be turned on or off is arranged in the supporting tube.

5. The roof greening system for energy-saving buildings as claimed in claim 1, wherein the control device comprises a first piston and a second piston which are arranged in a supporting tube, the side walls of the first piston and the second piston are both provided with sealing rings, the second piston is positioned above the first piston, the upper end of the second piston is provided with a top block, the lower end of the supporting tube is provided with a first supporting ring for preventing the first piston from separating, the upper end of the supporting tube is provided with a second supporting ring for preventing the second piston from separating, the top block upwards passes through the second supporting ring, a buffer spring is arranged between the second supporting ring and the second piston, and a switch matched with the top block is arranged on the lamp.

6. The roof greening system for energy-saving buildings as claimed in claim 4, wherein the lower end of the lamp is provided with a connecting sleeve, the lower end of the connecting sleeve is screwed on a supporting tube, the upper end of the supporting tube is provided with an elastic membrane, and the switch is arranged in the connecting sleeve and is opposite to the top block.