CN112243738B

CN112243738B - Roof greening system for energy-saving building

Info

Publication number: CN112243738B
Application number: CN202011148216.4A
Authority: CN
Inventors: 王晓军; 冯惠萌; 张泽成; 梅婧
Original assignee: Zhongyifeng Construction Group Co Ltd
Current assignee: Zhongyifeng Construction Group Co Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2023-08-25
Anticipated expiration: 2040-10-23
Also published as: CN112243738A

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 planting module, a watering module and an anti-seepage module, wherein 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, wherein 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 in a downward hemispherical shape; the seepage prevention module is arranged between the green planting module and the roof, the seepage prevention module comprises a root isolation layer, a first seepage prevention layer, a drying layer, a second seepage prevention layer and a cushion layer which are sequentially arranged from top to bottom, a water removal device is arranged in the drying layer and comprises two conductive wires, a power supply is connected between the two conductive wires, the conductive wires are connected with a plurality of conductive wires, and the conductive wires of the two conductive wires are distributed in a staggered manner, so that the sprinkling irrigation effect can be effectively controlled.

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 low-energy-consumption building designed after the building planning partition, the group and the monomer, the building orientation, the space, the solar radiation, the wind direction and the external space environment are researched according to the basic method of climate design and energy saving, and the main indexes of the energy-saving building are as follows: the building planning and the plane layout are favorable for natural ventilation, and the greening rate is not lower than 35%; the building space should ensure that each household has at least one living space which can obtain full window sunlight for 2 hours in the severe cold day, etc.

In order to realize energy-saving construction, those skilled in the art widely study energy saving of environmental control, utilize clean resources and strengthen greening, wherein the strengthening greening is to plant green plants on side walls, roof and the like, and the greening effect is improved.

The existing roof greening mainly has two modes, namely, a flowerpot is placed on the roof, a planting base is paved on the roof for planting, the mode of placing the flowerpot on the roof is low in cost, but the watering is troublesome, the survival rate is low, the planting base is paved on the roof, the watering is convenient, the planting area is large, and the flowerpot is widely used.

The current planting-based roof greening system mainly comprises a green planting layer and a planting base layer, irrigates through sprinkling irrigation or drip irrigation, irrigates through drip irrigation, can not be fine get rid of plant surface dust, and the fertilization effect is poor, irrigates through the sprinkling irrigation mode, can be fine get rid of plant surface dust, and fertilize evenly, but because sprinkler irrigation is carried out on the roof, produce the sputtering easily, produce the influence to the resident.

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: an energy-saving roof greening system for buildings comprises a green planting module, a watering module and an impermeable module,

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 irrigation module comprises a water pump, a pipeline and a spray head, wherein 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 in a downward hemispherical shape;

the anti-seepage module is arranged between the green planting module and the roof, and comprises a root isolation 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, wherein a water removal device is arranged in the drying layer and comprises two conductive wires, a power supply is connected between the two conductive wires, the conductive wires are connected with a plurality of conductive wires, and the conductive wires of the two conductive wires are distributed in a staggered manner.

Further, the green planting layer comprises an assembled planting frame, a plurality of planting grids are arranged on the planting frame, and two adjacent planting frames are connected through a plurality of elastic clamps.

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

Further, the spray 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 the supporting tube, 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 tube, a second supporting ring used for preventing the second piston from separating is arranged at the upper end of the supporting tube, the top block upwards penetrates 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.

Further, the lower end of the lamp is provided with a connecting sleeve, the lower end of the connecting sleeve is sleeved on a supporting tube in a threaded manner, 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.

The invention has the beneficial effects that: the roof greening system for the energy-saving building is provided with a planting module, an irrigation module and an anti-seepage module, wherein the 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 can always have good soil moisture content, the survival rate is guaranteed, the irrigation module comprises a water pump, a pipeline and a spray head, the spray head comprises a connecting pipe which is used for being connected to the pipeline, the upper end of the connecting pipe is provided with a spray cap, a plurality of vertical water spray openings are uniformly arranged on the spray cap, the upper end of the spray cap is provided with a water retaining cap with adjustable height, the water retaining cap is downwards hemispherical, the water retaining cap is wider in irrigation range, the water column at the upper side is shielded through the water retaining cap, the spray height can be controlled, the spray height is prevented from being sprayed out of the roof, the interference with a resident can also be ensured, the water column is scattered, the spray effect is improved, the spray head is further controllable in height, the anti-seepage module comprises a first root isolation layer, a drying layer, a second anti-seepage layer and a second anti-seepage layer, a cushion layer, a plurality of vertical water spray openings are uniformly arranged on the spray cap, the root isolation layer and a second anti-seepage layer are uniformly arranged on the spray cap, the drying layer, the root isolation layer is connected with a first conductive wire and a second conductive wire are sequentially arranged on the drying wire, the drying wire is connected to the two conductive wire, and the two anti-seepage layer are mutually connected to the two conductive wire, and the two anti-seepage device are well, and the anti-seepage device is placed in the anti-seepage layer, and the anti-seepage system is well, and the anti-conducting layer and the anti-seepage system is connected to the two and the two conductive layer and the water layer. Further, the water vapor is dispersed by heating to prevent condensation 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 layer and an impermeable layer;

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

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

FIG. 5 is a schematic cross-sectional front view of a spray head;

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

FIG. 7 is a schematic diagram of a connection relationship between conductive wires and conductive filaments;

FIG. 8 is a schematic diagram of an external wall greening system;

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

FIG. 10 is a schematic view of a cross section of a planting trough;

FIG. 11 is a schematic left-hand cross-sectional view of a planting trough;

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

FIG. 13 is a schematic diagram of the structure of the water replenishing tank;

FIG. 14 is a schematic left-hand cross-sectional view of the make-up tank;

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

FIG. 16 is a schematic view in front cross section of an imbibition water-blocking device;

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

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

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

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

FIG. 21 is a schematic cross-sectional view showing the connection relationship between the connection column and the planting groove in example 2;

wherein: 1-planting frame, 2-spray nozzle, 3-green planting, 4-coarse sand layer, 5-fine sand layer, 6-substrate layer, 7-filter layer, 8-water storage and drainage layer, 9-root isolation layer, 10-anti-seepage layer I, 11-drying layer, 12-anti-seepage layer II, 13-cushion layer, 14-conductive wire, 15-water pipe, 16-elastic clamp, 17-lamp, 18-connecting pipe, 19-spray cap, 20-water spray port, 21-water blocking cap, 22-joint, 23-supporting pipe, 24-piston I, 25-supporting ring I, 26-connecting sleeve, 27-switch, 28-elastic membrane, 29-piston II, 30-supporting ring II, 31-top block, 32-buffer spring, 33-sealing ring, 34-nut, 35-standby nut, 36-conductive wire, 37-power supply, 38-roof, 39-outer wall, 40-water tank, 41-water outlet pipe, 42-water supply pipe, 43-base plate, 44-planting tank, 45-grass-blocking rod, 46-water drain 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 column, 60-coating, 61-supporting rod, 62-connecting plate, 63-water inlet pipe, 64-water outlet pipe, 65-water supplementing pipe, 66-screw rod, 67-swelling water-blocking device, 68-connecting pipe, 69-baffle plate, 70-water passing hole, 71-sealing block, 72-pressing block, 73-pressing plate, 74-valve plate, 75-base, 76-blocking grid plate, 77-push rod, 78-push plate, 79-reset spring, 80-swelling cavity, 81-elastic sealing film, 82-swelling ball, 83-supporting column, 84-filtering grid plate, 85-slow release fertilizer, 86-floating seat and 87-guiding column.

Detailed Description

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

As shown in fig. 1-7, a roof greening system for energy-saving building comprises a green planting module, a watering module and an impermeable module,

the green planting module comprises a green planting layer, a filter layer 7 and a water storage and drainage layer 8 which are paved in sequence from top to bottom, wherein the green planting layer comprises a spliced planting frame 1, a plurality of planting grids are arranged on the planting frame, the green planting 3 is planted in the green planting grids, the two adjacent planting frames are orderly arranged and connected through a plurality of elastic clamps 16, the planting frames are cast iron grid plates for convenient manufacture, the thickness is 8-10mm, the size is 800mm, the structure strength is higher, the treading deformation is avoided, the connection through the elastic clamps can avoid dislocation, the whole order of green planting is further ensured, the smoothness of a mower in the moving process can also be ensured, the mowing is orderly, the planting layer comprises a coarse sand layer 4, a fine sand layer 5 and a matrix layer 6 paved in sequence from top to bottom, the thickness of the coarse sand layer is 10-12mm, the coarse quartz sand with the average grain size of 3mm is formed, the thickness of the fine sand layer is 10-12mm, the fine sand layer consists of fine quartz sand with the average grain diameter of 1mm, the fine sand layer has a faster water seepage effect, the matrix layer can be uniformly covered, the matrix is blended with the fine quartz sand at the lower part of the fine quartz sand layer, so that the soil is loose, microorganisms and insects are suitable for survival, a foundation is provided for decomposing fallen leaves, the matrix layer consists of soil, poultry manure and leaves, the thickness is 50-80mm, the weight ratio of the three is 97:1:2, richer nutrition can be provided, the filter layer 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 grain diameter of 1.5mm is filled between the two non-woven fabrics, the planting layer can be supported through the filter layer, the water storage and drainage layer can also be protected, the matrix layer is prevented from entering the water storage and drainage layer, the water storage and drainage layer consists of a P-208 drainage plate of Jiangsu green Shuangnan plastic products limited company.

The seepage-proofing module is paved between the green planting module and the roof 38, the seepage-proofing module comprises a root isolation layer 9, a first seepage-proofing layer 10, a drying layer 11, a second seepage-proofing layer 12 and a cushion layer 13 which are paved in sequence from top to bottom, the root isolation layer consists of root-proofing plates of Jiangsu Shuangnan plastic products limited company, the first seepage-proofing layer and the second seepage-proofing layer are respectively made of seepage-proofing films of Fuxing agricultural materials limited company in Fu Liu, the seepage-proofing effect is good, the drying layer is internally paved with hydrophobic mortar, and particularly is made of seepage-crystallization waterproof mortar of Jinan Bao Tong building materials limited company, the thickness of the drying layer is 6-8mm, the seepage-proofing effect is good, a water removing device is installed 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 power supply 37 is connected between the two conducting wires, the power supply is a storage battery, the voltage is 24V, the conducting wires are connected with a plurality of conducting wires 14, the conducting wires of the two conducting wires are distributed in a staggered way, the conducting wires are made of 2mm steel wires, the conducting wires are 4mm steel wires, the end parts of the conducting wires are wound on the conducting wires, the conducting wires are mutually parallel and uniformly distributed, the distance between the adjacent conducting wires on the same conducting wire is 8-10mm, the conducting wires are paved on the upper layer of the drying layer, the waterproof mortar has better hydrophobic effect, when the small holes are damaged in the anti-seepage layer, the waterproof effect can be achieved, when the large holes are damaged in the anti-seepage layer, the adjacent two conducting wires are conducted due to water seepage, a loop is formed between the two conducting wires, the electricity is conducted to generate heat, the water is heated and evaporated, the seepage is prevented, the water vapor can not be discharged quickly due to the functions of the first anti-seepage layer and the upper layer, the part is enabled to be locally collected to be green, yellow or even die, the maintainer observes green situation of planting, checks, discovers this department seepage, and then repair, and the while inspection power is in time changed or is charged, can also spray protection against insects liquid at waterproof mortar surface, avoids worm down motion, 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 granularity is 2mm, and thickness is 8-10mm, can make the basis level, provides the basis for laying on upper strata.

The irrigation module comprises a water pump, a pipeline and a spray head 2, and is convenient for fertilization, a water and fertilizer integrated machine is adopted, particularly a water and fertilizer integrated machine of Shandong Yujia He agricultural science and technology limited company is adopted, the pipeline comprises a water pipe 15 paved 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, a good anti-corrosion effect is achieved, the spray head comprises a connecting pipe 18 used for being connected to the water outlet pipe, the connecting pipe is connected with the water outlet pipes through a joint 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 by adjusting the length of the connecting pipe, the influence on households is avoided, the upper end of the connecting pipe is connected with a spray cap 19 through threads, the spray cap is made of stainless steel materials, a plurality of vertical water spraying ports 20 are uniformly processed on the spray cap, the water spraying ports are vertical and are long in shape, flat water columns can be sprayed out, and the coverage area is large, the upper end of the spray cap is provided with a water retaining cap 21 with adjustable height, the water retaining cap is in a downward hemispherical shape, the water column on the upper side is shielded by the water retaining cap, the spray height can be controlled, the spray outside a roof is avoided, the interference to households is avoided, the water column can be scattered, the spray irrigation effect is improved, the water retaining cap is adjustable in height, 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 upward supporting tube 23, the supporting tube passes through the water retaining cap upwards, the supporting tube is in threaded connection with the water retaining cap, the upper end of the supporting tube is provided with a lamp 17, in particular, the middle position of the water retaining cap is provided with a nut 34, the supporting tube is connected with the water retaining cap by the nut, the supporting tube is also sleeved with a tightening nut 35, the water retaining cap is tightly positioned after the height is adjusted, the water retaining cap is made of glass or the mirror surface stainless steel has good corrosion resistance effect, the lamp also has the effect of changing the light path, the lamp adopts a neon lamp, the lamp can play a decorative effect, people can be reminded of avoiding water, a control device for controlling the lamp to be opened and closed is arranged in the supporting tube, the control device comprises a first piston 24 and a second piston 29 which are arranged in the supporting tube, the side walls of the first piston and the second piston are respectively provided with a sealing ring 33, the sealing rings are O-shaped rings, a sealing cavity is formed by 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 piston is positioned above the first piston, a jacking block 31 is arranged at the upper end of the second piston, a first supporting ring 25 for preventing the first piston from being separated is arranged at the lower end of the supporting tube, a second supporting ring 30 for preventing the second piston from being separated is arranged at the upper end of the supporting tube, the jacking block upwards penetrates the second supporting ring, the first supporting ring and the second supporting ring are respectively arranged in the supporting tube in a penetrating way through threads, the inner cavities of the first supporting ring and the second supporting ring are prismatic, the rotation is convenient through a tool, a buffer spring 32 is arranged between the second supporting ring and the second piston, the buffer spring is arranged, the second piston can be guaranteed to drive the ejector block to be separated from the switch in a normal state, the buffer effect can be achieved during sprinkling irrigation, the ejector block can be prevented from pushing the switch at a high speed, meanwhile, the rigid collision between the second piston and the second supporting ring can be avoided, for convenient installation, the connecting sleeve 26 is arranged at the lower end of the lamp, the lower end of the connecting sleeve is sleeved on the supporting tube, the elastic membrane 28 is arranged at the upper end of the supporting tube, water can be prevented from entering the switch, the switch is arranged in the connecting sleeve and is opposite to the ejector block in the daytime, the sprinkling irrigation is suitable for being carried out in the evening or at night due to the transpiration effect of leaves, the water pressure pushes the first piston and the second piston upwards in the use process, and then the switch is pushed to be closed, the lamp works, the lamplight irradiates the water column, the lamp has good beautifying effect, and people moving on the roof can be reminded to avoid spraying water.

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

In order to improve the greening effect, the roof greening system for energy-saving building is also commonly built together with an outer wall greening system, and the outer wall greening system is shown in fig. 8-20 and comprises a planting frame module, a planting module and a watering module,

the planting frame module comprises a plurality of planting frames which are arranged on a wall body in rows and columns, or are arranged in a designed attractive shape, such as a round shape, and has good attractive effect, the planting frame comprises a base plate 43 which is used for being mounted 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 which are arranged in rows and columns, the stability is high, meanwhile, the outer wall heat-insulating layer can be fixed, planting grooves 44 are mounted on the base plate, the planting grooves are made of waterproof concrete or ceramic products, the planting frame module has good anti-corrosion effect, good structural stability and anti-leakage performance, the height value of the inner side of the planting grooves is higher than that of the outer side of the planting grooves, not only can well drain water, but also can effectively lighten the whole weight, improve the lighting effect of green planting, and ensure that the planting grooves are connected with the base plate stably, the planting groove is integrally formed with the connecting post 59, the connecting post penetrates through the base plate to be connected with the blocking cap 67, the blocking cap is made of steel plate, the surface is coated with rust-proof paint, for simple preparation, the short steel bar can be directly used for replacement, the surface is coated with the rust-proof paint, the blocking cap is connected with the connecting rod 58, the blocking cap is connected with the connecting rod, a waterproof mortar coating 60 is arranged between the blocking cap and the base plate, the connecting post is in a tubular shape, the connecting rod penetrates through the connecting post inwards and extends into the planting groove, the connecting rod is screw steel, the connecting rod is welded and connected with the upward grass blocking rod 45, the grass blocking rod is also bent and formed by the screw steel, the grass blocking rod extends upwards out of the planting groove and is bent towards the base plate, the tail end of the bent part is welded with a screw rod, the screw rod penetrates through the base plate, the two sides of the base plate are sleeved with adjusting nuts, the upper end of the grass blocking rod can be inclined outwards through the adjusting nuts, the improvement keeps off the grass effect, the grass blocking rod can provide the support for climbing plants, can support green planting the upper end when the wind, improve the wind-resistant ability, simultaneously, the grass blocking rod can play the effect of secondary protection to planting the groove, specifically can stop planting the groove and tilt, still install the fender hook 56 that is used for fixed planting the groove upper end on the base plate, the fender hook is L shape, the fender hook is cut into the type by U-shaped bolt, the preparation is convenient, the first wing of fender hook is a wing that has the screw thread, pass the base plate and the cover is equipped with adjusting nut, the second wing of fender hook downwards with plant groove lateral wall press fit, fix the upper end of planting the groove, and then guarantee fixed stability.

The planting groove 47 is integrally formed at the lower end of the planting groove, the width of the planting groove is 1/2 of that of the planting groove along the length direction of the planting groove, the depth of the planting groove is 10cm, as the planting groove needs to be filled with planting base layers and planting base materials are of a certain thickness to ensure normal growth of green planting root systems, the width of the planting groove is lower, the total weight of the planting groove can be reduced on the premise of ensuring normal growth of green planting, the evaporation area of water can also be reduced, the planting of the green planting in the middle position can also be ensured, branches and leaves are uniformly distributed, the planting module comprises a water distribution layer 49 paved at the bottom of the planting groove, the thickness of the water distribution layer is 4cm, volcanic stones with average particle diameters of 4-5mm are filled in the water distribution layer, and the planting groove has a porous structure, light weight, a water retaining effect and a large gap and is beneficial to the flow of water, the water distribution effect is achieved, the water distribution layer is rich in mineral elements, the planting base layer 53 is paved on the water distribution layer, the thickness of the planting base layer is 4mm, the planting base layer 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, the first filter layer 54 is paved on the planting base layer, the thickness of the first filter layer is 2cm, the first filter layer is composed of water permeable brick fragments, the average particle size of the water permeable brick fragments is 3-4mm, filtering can be well conducted, the planting base layer is prevented from overflowing, the planting grid plate 55 is paved on the planting groove, the planting grid plate is composed of two layers of steel wire meshes, the aperture of the steel wire meshes is 20mm, green planting is facilitated, the water permeable brick fragments can be prevented from moving, the inner end of the planting grid plate extends to the lower portion of the connecting rod, the outer end of the planting grid plate is attached to the inner wall of the planting groove, and the planting grid plate can also enable connection between each green planting individual plant to be achieved, and the wind resistance is improved.

The irrigation module comprises a water tank 40 arranged above the planting frame module, wherein the water tank is a steel water tank, the water tank is fixed with an outer wall through supporting columns 83 and expansion bolts which are arranged in rows and columns, an antirust 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 supplementing valve is arranged at the outlet of the tap water pipe, the outlet of the tap water pipe is downward, the water supplementing valve comprises a floating seat 48 arranged at the outlet of the tap water pipe, the upper end of the floating seat is provided with a guide post 87 for inserting the tap water pipe, the upper end surface of the floating seat is provided with a sealing gasket around the guide post, the floating seat is an air bag for convenient manufacture, the sealing gasket and the floating seat are integrally formed, the guide post is a stainless steel pipe, a slow release fertilizer 85 is paved at the bottom of the water tank, specifically, the slow release fertilizer for the organic flower is a flower pot for the household flower-growing universal nitrogen-phosphorus-potassium compound fertilizer, when the water level drops, the floating seat is supported by slow release fertilizer, the guide post is prevented from separating from the tap water pipe, the water absorbing and blocking device 67 is arranged at the upper end of the floating seat on the tap water pipe, the water absorbing and blocking device comprises a connecting pipe 68, a baffle 69 is integrally formed in the middle of the connecting pipe, a water passing hole 70 is formed in the baffle, a valve plate 74 is arranged in the baffle in a penetrating manner, one end of the valve plate is connected with the water absorbing and blocking device, the water absorbing and blocking device comprises a base 75 integrally formed on the connecting pipe, a water absorbing and blocking cavity 80 is formed in the base, the valve plate is connected with a push rod 77, the push rod extends to the water absorbing cavity and is connected with the push plate 78, an elastic sealing film 81 is arranged in the water absorbing cavity, the elastic sealing film 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 water absorbing and blocking layer, the water absorbing and blocking layer is paved outside the elastic sealing film, and consists of a water absorbing and blocking ball 82, the water-absorbing resin ball is characterized in that a water-absorbing resin ball of Shandong Liang new material science and technology limited company is provided with a blocking grid plate 76 on a base at the outer side of a water-absorbing layer, so that water can permeate water, the outward expansion of the water-absorbing layer can be avoided, a return spring 79 is arranged between a push plate and a connecting pipe, a rubber sealing block 71 matched with a valve plate is arranged on the baffle, a pressing block 72 is arranged at the outer end of the sealing block, a pressing plate 73 is arranged on the connecting pipe, the sealing block is supported by the pressing plate and the pressing block and then is matched with the valve plate for sealing, in the using process, under the action of the return spring, the valve plate is separated from the elastic sealing block, water in a tap water pipe flows out, the water level rises to push a floating seat to rise, the tap water pipe is preliminarily plugged, the water pressure of the tap water pipe is high, the tap water pipe can continue to flow out, the flow rate is reduced, the water level slowly rises, and then contacts the water-absorbing layer, the water-absorbing layer absorbs water and expands, the elastic sealing film is used for shaping and then pushing the push plate, so as to push the valve plate and the elastic sealing block to seal, thereby achieving the complete sealing effect, when water is separated from the swelling layer, the swelling layer is dehydrated under the restoring force of the elastic sealing film and the restoring spring, the valve plate is separated from the elastic sealing block and is used for supplementing water into the water tank, in order to improve stability, the tap water pipe is provided with the pressure regulating valve, the water outlet pressure is regulated to 0.12Mpa, the lifting seat is prevented from blocking the water spraying at the earlier stage of the tap water pipe, the water tank is connected with the water outlet pipe 41, the first end of the planting groove is connected with the water supplementing tank 48, the water supplementing tank is communicated with the water outlet pipe, the water distribution pipe 50 is arranged in the water distribution layer and is communicated with the water supplementing tank, the second end of the planting groove is provided with the water draining hole 46, the water draining hole is positioned above the planting grid plate and can drain water when the water level is overhigh, the water level is further limited, the water is prevented from being burnt, the side surface of the water supplementing tank is provided with the connecting plate 62, the water supplementing tank is connected with the substrate through the connecting plate and the screw 66, the installation is convenient, the water inlet pipe 63 is arranged above the water supplementing tank, the water outlet pipe 64 is arranged below the water supplementing tank, the water supplementing pipe 65 matched with the water distribution pipe is arranged on the side of the water supplementing tank, the water inlet end of the water distribution pipe is also provided with a water absorbing and blocking device, the water in the planting groove is controlled to be opened and closed, the automatic water supplementing effect is achieved, the water distribution pipe extends to the second end of the planting groove, the water outlet 52 is machined on the side wall of the water outlet end of the water distribution pipe, water is detected at the water inlet section of the water distribution pipe, the water supplementing is guaranteed to be full, the middle position of the water distribution pipe is provided with the bending part 51 which is bent upwards, and water in the water distribution pipe can be prevented from flowing back.

The filter grid plate 84 is installed to planting groove upper end, and filter grid plate slope installation can block debris entering basin in, and a plurality of backing bars 61 that are used for lifting planting groove lower extreme are inserted to the base plate lower extreme, improve stability.

Example 2

As shown in fig. 21, the roof greening system for energy-saving building is different from the first embodiment in that the connecting column is a concrete column, an opening matched with the connecting column is formed on the side wall of the planting groove, 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: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims

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

the seepage-proofing module is arranged between the green planting module and the roof, the seepage-proofing module comprises a root isolation layer, a first seepage-proofing layer, a drying layer, a second seepage-proofing layer and a cushion layer which are sequentially arranged from top to bottom, a water removing device is arranged in the drying layer, the water removing device comprises two conductive wires, a power supply is connected between the two conductive wires, the conductive wires are connected with a plurality of conductive wires, the conductive wires of the two conductive wires are distributed in a staggered manner,

the spray cap is communicated with an upward supporting tube, the supporting tube upwards penetrates 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, a control device for controlling the lamp to be opened and closed is arranged in the supporting tube, the control device comprises a first piston and a second piston which are arranged in the supporting tube, 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 jacking block is arranged at the upper end of the second piston, a supporting ring I for preventing the first piston from separating is arranged at the lower end of the supporting tube, a supporting ring II for preventing the second piston from separating is arranged at the upper end of the supporting tube, a buffer spring is arranged between the supporting ring II and the second piston, and a switch matched with the jacking block is arranged on the lamp.

2. The energy saving roof greening system for 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 clamps.

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

4. The roof greening system for energy-saving buildings according to claim 1, wherein the lower end of the lamp is provided with a connecting sleeve, the lower end of the connecting sleeve is sleeved on a supporting pipe in a threaded manner, the upper end of the supporting pipe is provided with an elastic membrane, and the switch is arranged in the connecting sleeve and is opposite to the jacking block.