CN211091121U - A roof green storage, drainage and irrigation system - Google Patents

Abstract

The utility model discloses a roof greening storage and drainage irrigation system, which comprises a vegetation layer, a planting soil layer, a gravel layer and a storage and drainage layer which are arranged in sequence from top to bottom. On the lower surface of the gravel layer, the top of the seepage pipe is spaced with small holes along the length of the pipe. One side of the seepage pipe is connected to the water supply pipe, and the other side is connected to the drainage pipe. The water supply pipe extends from the storage and drainage layer to the vegetation layer and is higher than the water supply pipe. In the vegetation layer, the surface of the water supply pipe is provided with a soil moisture sensor. The soil moisture sensor is laid below the surface of the planting soil layer. The water supply pipe is sequentially provided with a pump and a valve switch along the water supply direction. The water pump is connected with the signal of the controller, and the controller is connected with the external power supply. The present application promotes the drainage of green roofs by collecting rainwater, solves the problem of difficult water storage for green roofs, and provides water sources for the green belts on the roofs, thereby saving water resources.

Description

A roof green storage, drainage and irrigation system

technical field

The utility model relates to the technical field of roof greening, in particular to a roof greening storage, drainage and irrigation system.

Background technique

The roof garden is a perfect combination of art and garden art, which can enrich the pitching landscape of the city, compensate the green ground occupied by buildings, and improve the green coverage rate of the city. It is a roof form worthy of vigorous promotion. The traditional drainage method of roof gardens is to use masonry tiles as the guide filter layer, and more use of cobblestone or gravel as the water filter layer, draining the water to the designated location will cause waste of water resources. In addition, due to the long time of direct sunlight, the roof is in a high temperature state for a long time during the day. It is difficult for ordinary green plants to survive. Some plants that are resistant to high temperature and drought will temporarily stop photosynthesis and transpiration due to lack of water. death, the plants need timely irrigation.

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a roof greening storage, drainage and irrigation system, which promotes the drainage of roof greening by collecting rainwater, solves the problem of difficult roof greening drainage and water storage, and Provide water for and for the green belt on the roof, saving water resources.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the present utility model is:

A roof greening storage and drainage irrigation system, comprising a vegetation layer, a planting soil layer, a gravel layer and a storage and drainage layer arranged in sequence from top to bottom, the storage and drainage layer includes a seepage pipe and a drain pipe, and the seepage pipe is laid under the gravel layer. On the surface, the top of the seepage pipe is spaced with small holes along the length of the pipe. One side of the seepage pipe is connected to the water supply pipe, and the other side is connected to the drainage pipe. The water supply pipe extends from the storage and drainage layer to the vegetation layer and is higher than the vegetation layer. The surface is provided with a soil moisture sensor, which is laid under the surface of the planting soil layer. The water supply pipe is provided with a pump and a valve switch in sequence along the water supply direction, and the end is provided with a water outlet nozzle, a soil moisture sensor, a pump and a controller. signal connection, the controller is connected to an external power supply.

Further, the seepage pipe includes a horizontal seepage pipe and a vertical seepage pipe. The horizontal seepage pipe and the vertical seepage pipe are arranged vertically to each other and are provided with side grooves that communicate with each other. The bottom wall of the seepage pipe is a closed structure, and the horizontal seepage pipe and the longitudinal seepage pipe. end of the drain hose.

Further, a drain valve is provided at the drain pipe.

Further, when the soil humidity sensor detects that the soil humidity is lower than the standard value, the water supply pipe will absorb the rainwater stored in the seepage pipe, and spray it from the sprinkler to irrigate the vegetation layer.

Further, no less than one water supply pipe shall be arranged at intervals according to the area of the vegetation layer.

Further, the spray head is a rotatable spray head.

Further, a filter screen is arranged in the water supply pipe.

Further, the thickness of the planting soil layer is 250-300mm, and the thickness of the gravel layer is 100mm.

Further, the crushed stone particle size of the gravel layer is less than 12.5mm, and the volume ratio is greater than 95%; 5%.

Beneficial effects: Compared with the prior art, the present application has the following advantages:

1) The application system is provided with a soil humidity sensor. When the soil humidity sensor detects that the soil humidity is lower than the standard value, the water supply pipe will absorb the rainwater stored in the seepage pipe and spray it out from the sprinkler to irrigate the vegetation layer; when the seepage pipe When the water level exceeds a certain height, the excess rainwater will be discharged from the drain pipe on the other side; it solves the problem of difficult water storage for roof greening and drainage, and provides water for the green belt on the roof, saving water. resource;

2) The system of the present application uses crushed stones with different thicknesses to fill each other, so as to avoid the problem that fine-grained sand enters the cracks of crushed stones to block drainage;

3) The sprinkler head of the system of the present application is set as a rotatable sprinkler head to increase the sprayed green planting area. According to the area of the vegetation layer, no less than one water supply pipe can be set at intervals to ensure that the spraying range can cover the vegetation layer in all directions;

4) In this application, the seepage pipe is used as the place for water storage and drainage, and there is no need for a water storage tank or a water storage tank, which optimizes the roof greening storage and drainage system and reduces the workload.

Description of drawings

Figure 1 is a schematic structural diagram of a roof green storage, drainage and irrigation system;

Fig. 2 is the structural representation of the storage and drainage layer;

Figure 3 is a top view of the storage and drainage layer;

Figure 4 is a front view of the roof green storage, drainage and irrigation system.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1-4, the roof greening storage and drainage irrigation system of the present application is provided with a vegetation layer 1, a planting soil layer 2, a gravel layer 3 and a storage and drainage layer 4 in order from top to bottom. After being filtered by the gravel layer 3 The rainwater continues to infiltrate to the storage and drainage layer 4. The storage and drainage layer 4 includes a water seepage pipe 5 and a drain pipe 6. The water seepage pipe 5 is laid on the lower surface of the gravel layer 3, and the upper part is spaced along the pipe length. The small holes flow into the pipe and are stored in the pipe. One side of the seepage pipe 5 is connected to the water supply pipe 7, and the other side is connected to the drainage pipe 6. The water supply pipe 7 extends from the storage and drainage layer 4 to the vegetation layer 1 and is higher than the vegetation layer 1. The surface of the water supply pipe 7 is provided with a soil moisture sensor 8. The soil moisture sensor 8 is laid under the surface layer of the planting soil layer 2. The water supply pipe 7 is sequentially provided with a pump and a valve switch along the water supply direction, and the end is provided with a water outlet nozzle 9. The soil moisture sensor 8 and the pump and the controller signal connection, the controller is connected to an external power supply. When the soil humidity sensor 8 detects that the soil humidity is lower than the standard value, the water supply pipe 7 will absorb the rainwater stored in the seepage pipe 5 and spray it out from the nozzle 9 to irrigate the vegetation layer 1 . When the water storage capacity in the seepage pipe 5 is too large and the water level exceeds a certain height, the excess rainwater will be discharged from the drain pipe 6 on the other side.

The seepage pipe 5 includes a horizontal seepage pipe and a vertical seepage pipe. The horizontal seepage pipe and the vertical seepage pipe are arranged vertically to each other and are provided with side grooves that communicate with each other. The bottom wall of the seepage pipe is a closed structure, and the ends of the horizontal seepage pipe and the longitudinal seepage pipe are The drain pipe 6 is connected. The drain pipe 6 is provided with a drain valve 10. When the water level is low, the drain valve 10 is closed. The rainwater stored in the seepage pipe 5 is used to irrigate the vegetation layer 1. When the water level exceeds a certain height, the drain valve 10 is opened.

The spray head 9 is set as a rotatable spray head to increase the sprayed green planting area. According to the area of the vegetation layer 1, no less than one water supply pipe 7 can be arranged at intervals to ensure that the spraying range can cover the vegetation layer 1 in all directions.

A filter screen can be arranged in the water supply pipe 7 to prevent fine sand from entering and blocking the water supply pipe 7 .

The thickness of the planting soil layer 2 is 250-300mm, and the thickness of the gravel layer 3 is 100mm. The gravel particle size of gravel layer 3 is less than 12.5mm, and the volume ratio is greater than 95%. The gravel particle size is less than 2mm, and the volume ratio is 0-10%. The crushed stone particle size is less than 1mm, and the volume ratio is 0-5%. . The particle size of the selected crushed stone meets the drainage requirements, and the crushed stones of different thicknesses are used to fill each other, so that the problem of fine-grained sand entering the cracks of the crushed stone and blocking the drainage will not occur.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the present invention. The scope of protection of the utility model.

Claims (9)

1. a roof green storage, drainage irrigation system, is characterized in that, comprises the vegetation layer (1), planting soil layer (2), gravel layer (3) and storage and drainage layer (4) that are arranged successively from top to bottom, The storage and drainage layer (4) includes a water seepage pipe (5) and a drain pipe (6), the water seepage pipe (5) is laid on the lower surface of the gravel layer (3), and the upper part of the water seepage pipe (5) is along the length of the pipe. Small holes are provided at intervals, one side of the seepage pipe (5) is connected to a water supply pipe (7), and the other side is connected to a drainage pipe (6), and the water supply pipe (7) extends from the storage and drainage layer (4) to the vegetation layer ( 1) and higher than the vegetation layer (1), the surface of the water supply pipe is provided with a soil moisture sensor (8), the soil moisture sensor (8) is laid below the surface of the planting soil layer (2), and the water supply pipe (7) is along the water supply direction A water pump and a valve switch are arranged in sequence, and a water outlet nozzle (9) is arranged at the end. The soil moisture sensor (8) and the water pump are signally connected to a controller, and the controller is connected to an external power source. 2. The roof green storage, drainage and irrigation system according to claim 1, wherein the seepage pipe (5) comprises a transverse seepage pipe and a longitudinal seepage pipe, and the transverse seepage pipe and the longitudinal seepage pipe are arranged perpendicular to each other and are provided with In the connected side grooves, the bottom wall of the water seepage pipe is a closed structure, and the ends of the transverse water seepage pipe and the longitudinal water seepage pipe are connected with a drainage pipe (6). 3. The roof green storage, drainage and irrigation system according to claim 1, characterized in that, a drainage valve (10) is provided at the drainage pipe (6). 4. The roof green storage, drainage and irrigation system according to claim 1, characterized in that, when the soil moisture sensor (8) detects that the soil moisture is lower than the standard value, the water supply pipe (7) will absorb the seepage pipe ( The rainwater stored in 5) is sprayed by the nozzle (9) to irrigate the vegetation layer (1). 5. The roof greening storage, drainage and irrigation system according to claim 1, characterized in that, no less than one water supply pipe (7) is arranged according to the area interval of the vegetation layer (1). 6. The roof green storage, drainage and irrigation system according to claim 1, wherein the sprinkler head (9) is a rotatable sprinkler head. 7. The roof green storage, drainage and irrigation system according to claim 1, wherein a filter screen is provided in the water supply pipe (7). 8. The roof green storage, drainage and irrigation system according to claim 1, wherein the thickness of the planting soil layer (2) is 250-300mm, and the thickness of the gravel layer (3) is 100mm. 9 . The roof green storage, drainage and irrigation system according to claim 1 , wherein the gravel particle size of the gravel layer (3) is less than 12.5 mm, the volume ratio is greater than 95%, and the crushed stone particle size is less than 2 mm. 10 . , the volume ratio is 0-10%, the particle size of the crushed stone is less than 1mm, and the volume ratio is 0-5%.

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