CN114946608A

CN114946608A - Drip irrigation device suitable for road green belt

Info

Publication number: CN114946608A
Application number: CN202210778179.8A
Authority: CN
Inventors: 郑学明; 徐亚; 李业轩; 王焘; 伏开磊; 孙庆军
Original assignee: Liaoning Zhongtian Intelligent Control Technology Co ltd; Nanjing Qingdeli Transportation Technology Co ltd
Current assignee: Liaoning Zhongtian Intelligent Control Technology Co ltd; Nanjing Qingdeli Transportation Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-08-30

Abstract

The invention relates to the technical field of green belt irrigation, in particular to a drip irrigation device suitable for a road green belt. Comprises a drip irrigation pipeline and an irrigation emitter; the drip irrigation pipeline comprises a main pipeline and a capillary; the douche comprises a communicating pipe, a douche ring pipe, a piston, a spring and a bearing; a water discharging section is arranged on the outer side wall of one end of the communicating pipe, which is far away from the capillary; the irrigation annular pipe is sleeved on the communicating pipe in a rotatable manner, and a plurality of spiral water baffles and water outlets are arranged in the irrigation annular pipe; the spiral water baffles are annularly arranged between the irrigation annular pipe and the communicating pipe along the axis of the irrigation annular pipe; a piston slidably provided in the communication pipe along an axial direction of the communication pipe; a spring. This application has improved irrigation effect by a wide margin, has realized the water conservation function, carries out irrigation of watering on a wider range to the plant root, and the emitter has rotatory function of driping irrigation and has dustproof effect.

Description

Drip irrigation device suitable for road green belt

Technical Field

The invention relates to the technical field of green belt irrigation, in particular to a drip irrigation device suitable for a road green belt.

Background

The highway green belt has the functions of traffic separation, safety guarantee and city beautification, eliminates visual fatigue of drivers, and can change the space scale of roads to ensure that the road space has good aspect ratio. In addition, the dust-absorbing agent has the functions of purifying the environment, retaining dust, weakening noise, absorbing harmful gases and releasing oxygen.

The greening along the highway is a main factor of environmental landscape, but the irrigation maintenance of the existing green belt is difficult. General greenbelt extension probably has several miles to tens of miles wide, and traditional irrigation mode adopts watering lorry manual irrigation mode more, and not only the water consumption is big, still easily runs out water, leaks, and water resource utilization ratio is low, and most important, there is the problem that influences traffic safety, maintains comparatively difficultly in manual irrigation.

Drip irrigation is one of the most water-saving irrigation technologies for field irrigation so far, and in the prior art, when the drip irrigation technology is applied to irrigation of a green belt of an expressway, the problem that how to improve the dustproof effect of a water dropper to avoid blockage and how to improve the irrigation effect of the water dropper is inevitable.

Therefore, there is a need for a drip irrigation device suitable for road green belts to solve the above problems.

Disclosure of Invention

In view of the above, it is necessary to provide a drip irrigation device suitable for road green belts in view of the problems of the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

the invention provides a drip irrigation device suitable for a road green belt, which comprises a drip irrigation pipeline and an irrigation emitter;

the drip irrigation pipeline comprises a main pipeline and a capillary;

a plurality of capillary tubes are arranged and are communicated with the main pipeline;

the irrigator is provided with a plurality of irrigators, each capillary is provided with a plurality of irrigators, and each irrigator comprises a communicating pipe, an irrigation annular pipe, a piston, a spring and a bearing;

one end of the communicating pipe is communicated with the interior of the capillary, the interior of the communicating pipe is hollow, and the outer side wall of one end of the communicating pipe, which is far away from the capillary, is provided with a water discharging section;

the irrigation annular pipe is sleeved on the communicating pipe in a rotating manner, is coaxially arranged with the communicating pipe, and is internally provided with a plurality of spiral water baffles and a water outlet;

the spiral water baffles are annularly arranged between the irrigation circular pipe and the communicating pipe along the axis of the irrigation circular pipe, the side wall of one side of each spiral water baffle is fixedly arranged on the inner side wall of the irrigation circular pipe, the side wall of the other side of each spiral water baffle extends to point to the outer side wall of the communicating pipe, and the spiral directions of the spiral water baffles are consistent and the intervals of the spiral water baffles are consistent;

the water outlets are annularly distributed around the axis of the irrigation ring pipe and are arranged at the bottom end of the outer side wall of the irrigation ring pipe, the water outlets are in one-to-one correspondence with the spiral water baffles, and the water outlets are positioned between the two adjacent spiral water baffles;

the piston can be arranged in the communicating pipe in a sliding manner along the axial direction of the communicating pipe, and the outer side wall of the piston is attached to the inner wall of the communicating pipe;

the spring is arranged in the communicating pipe, the length direction of the spring is consistent with the axial direction of the communicating pipe, one end of the spring is fixedly connected with one end, far away from the capillary, in the communicating pipe, and the other end of the spring is fixedly connected with the top end of the piston;

the bearing is equipped with two, and two bearings are all installed on communicating pipe, and the both ends of watering ring canal inboard all overlap through the rotatable cover of communicating pipe on communicating pipe.

Preferably, the communicating pipe comprises a first connecting pipe, a second connecting pipe and a connecting column;

the first connecting pipe is arranged in a hollow mode, and one end of the first connecting pipe is communicated with the side wall of the capillary;

the second connecting pipe is coaxial with the first connecting pipe, the inner diameter of the second connecting pipe is consistent with that of the first connecting pipe, the opening direction of the second connecting pipe points to the first connecting pipe, and the length of the second connecting pipe is smaller than that of the first connecting pipe;

the connecting columns are at least three, the connecting columns are annularly arranged around the axis of the first connecting pipe and are located between the first connecting pipe and the second connecting pipe, and the two ends of the connecting columns are fixedly connected with the end portions of the first connecting pipe and the second connecting pipe respectively.

Preferably, the emitter is still including dustproof cap and connecting rod, and the connecting rod setting is on communicating pipe, and the one end of capillary is kept away from in communicating pipe to dustproof cap setting, and the internal diameter of dustproof cap is greater than the external diameter of communicating pipe, and the length direction of connecting rod is unanimous with the axis direction of communicating pipe, the one end of connecting rod and the inside wall top fixed connection of dustproof cap, and the one end fixed connection of capillary is kept away from to the other end of connecting rod and piston.

Preferably, the communicating pipe is further provided with two limiting installation devices, the limiting installation devices are respectively located at the upper end and the lower end of the irrigation circular pipe, each limiting installation device comprises two limiting rings, the limiting rings are fixedly sleeved on the outer side wall of the communicating pipe, the two limiting rings are respectively located on two sides of the end portion of the irrigation circular pipe, and the bearing is located between the two limiting rings.

Preferably, the irrigator also comprises two sealing rings, the sealing rings are positioned in the two limiting and mounting devices, and the sealing rings are positioned at the connecting part of the limiting rings and the end part of the irrigation circular pipe.

Preferably, the system also comprises a pressurized conveying system, a water intake filtering system and an intelligent control system;

the pressure conveying system is connected with the drip irrigation pipeline;

the input end of the water taking and filtering system is connected with a water source, and the output end of the water taking and filtering system is communicated with the drip irrigation pipeline;

the intelligent control system is connected with the drip irrigation pipeline, the douche, the pressurizing and conveying system and the water taking and filtering system through electric signals.

Preferably, the water taking and filtering system comprises a water taking tank, a water taking pump, a primary filter tank and a secondary filter device;

the water taking pump is arranged in the water taking tank;

the output end of the water taking pump is communicated with the interior of the primary filter tank;

and the water outlet of the primary filter tank is communicated with the water inlet of the secondary filter device, and the water outlet of the secondary filter device is communicated with the drip irrigation pipeline.

Preferably, the secondary filtering device also comprises a sand filter and a laminated filter, and the water flow flows into the drip irrigation pipeline after flowing into the sand filter and the laminated filter from the primary filtering tank in sequence.

Preferably, the primary filter tank comprises a sedimentation tank and a biological purification tank.

Preferably, the intelligent control system comprises a meteorological detection system, a spraying control system and a remote monitoring system.

Compared with the prior art, the beneficial effect of this application is:

1. this application realizes irrigating the intelligence of greenbelt on the way, can practice thrift the cost like this, extends the function, prevents ice and snow not only winter, can cool down summer, remove dust, irrigate etc..

2. This application can realize the automatic operation of driping irrigation of intelligence to the greenbelt through pressurization conveying system, water intaking filtration system and intelligence control system, has improved irrigation by a wide margin, has improved the water conservation demand to can carry out the operation of watering of wider range to the root of plant.

3. When needs drip irrigation, improve water pressure, under capillary water pressure effect, the inside water of inflow intercommunication pipe upwards jack-up the piston, the spring compression, until during rivers can get into the ring canal of watering through the waterproof section on communicating pipe, because the inside rivers of ring canal of watering that get into this moment have certain water pressure, can strike the spiral breakwater in the ring canal of watering, make the ring canal of watering take place rotatoryly under the drive of spiral breakwater, rivers are along the spiral direction downstream of spiral breakwater, until inflow water outlet department, discharge to the external world through the delivery port, and then realized the rotatory function of driping irrigation of irrigator.

4. Through increasing dustproof cap and connecting rod for dustproof cap can cover the delivery port when the emitter is out of work, prevents that the dust from getting into and causing the jam in the delivery port, when the operation is driped irrigation to needs, the piston rises and drives the connecting rod motion of being connected with it, and then drives dustproof cap through the connecting rod and rises in step, makes dustproof cap break away from the delivery port, and then has guaranteed that the delivery port can not produce the interference to it at the during operation dustproof cap.

5. When the system monitors that the ground and the environment are too high in temperature and the soil sensor detects that the green plants are lack of water, the system starts the conveying water pump, simultaneously opens the electromagnetic valve of the irrigation pipeline, carries out irrigation operation, stops the operation after sufficient irrigation and enters a monitoring flow.

6. This application can independently start back flush procedure, carries out the back flush to sandstone filtration ware and lamination filter automatically, clears away impurity in the filter to discharge waste water in the waste water irrigation canals and ditches through the pipeline.

7. The intelligent irrigation system is unattended, runs fully automatically, can be displayed and operated at the cloud end in monitoring, runs integrally with the ice and snow prevention spraying system, realizes the spraying operation of preventing ice and snow in winter, realizes the irrigation operation in summer, and can realize the cooling of the bridge floor and the dust removal operation in summer.

Drawings

FIG. 1 is a schematic perspective view of a drip irrigation pipe and emitter according to an embodiment;

FIG. 2 is a schematic perspective view of an emitter according to an embodiment;

FIG. 3 is a bottom view of the emitter of an embodiment;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken at D-D in FIG. 3;

fig. 6 is a schematic perspective view of a communication pipe of the embodiment;

FIG. 7 is a schematic perspective view of a watering collar of an embodiment;

FIG. 8 is an overall flowchart of the embodiment;

fig. 9 is a flow diagram of a water intake filtration system of an embodiment.

The reference numbers in the figures are:

1-drip irrigation pipes; 2-an emitter; 3-a pressurized delivery system; 4-a water intake filtration system; 5-an intelligent control system; 1 a-a main pipeline; 1 b-capillary; 2 a-communicating tube; 2a1 — first connection tube; 2a2 — second connecting tube; 2a 3-connecting column; 2a 4-stop collar; 2 b-a watering ring pipe; 2b 1-spiral breakwater; 2b 2-water outlet; 2 c-a piston; 2 d-spring; 2 e-a bearing; 2 f-dust cap; 2 g-connecting rod; 2 i-a sealing ring; 4 a-water taking tank; 4 b-a water intake pump; 4 c-primary filter cell; 4 d-a secondary filtration device; 4d 1-sand filter; 4d 2-laminated Filter.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-9:

a drip irrigation device suitable for road green belts comprises a drip irrigation pipeline 1 and an emitter 2;

the drip irrigation pipeline 1 comprises a main pipeline 1a and a capillary 1 b;

a plurality of capillary tubes 1b, wherein the capillary tubes 1b are communicated with the main pipeline 1 a;

the irrigators 2 are provided with a plurality of irrigators 2, each capillary 1b is provided with a plurality of irrigators 2, and each irrigator 2 comprises a communicating pipe 2a, an irrigation annular pipe 2b, a piston 2c, a spring 2d and a bearing 2 e;

one end of the communicating pipe 2a is communicated with the interior of the capillary 1b, the interior of the communicating pipe 2a is hollow, and the outer side wall of one end of the communicating pipe 2a, which is far away from the capillary 1b, is provided with a water discharging section;

the irrigation annular pipe 2b is sleeved on the communicating pipe 2a in a rotatable manner, the irrigation annular pipe 2b and the communicating pipe 2a are coaxially arranged, and a plurality of spiral water baffles 2b1 and a water outlet 2b2 are arranged in the irrigation annular pipe 2 b;

the spiral water baffles 2b1 and a plurality of spiral water baffles 2b1 are annularly arranged between the irrigation annular pipe 2b and the communicating pipe 2a along the axis of the irrigation annular pipe 2b, the side wall of one side of the spiral water baffle 2b1 is fixedly arranged on the inner side wall of the irrigation annular pipe 2b, the side wall of the other side of the spiral water baffle 2b1 extends to point to the outer side wall of the communicating pipe 2a, and the spiral directions of the plurality of spiral water baffles 2b1 are consistent and the intervals are consistent;

the water outlets 2b2 and the water outlets 2b2 are annularly distributed around the axis of the irrigation annular pipe 2b, the water outlets 2b2 are arranged at the bottom end of the outer side wall of the irrigation annular pipe 2b, the water outlets 2b2 and the spiral water baffles 2b1 are in one-to-one correspondence, and the water outlet 2b2 is positioned between the two adjacent spiral water baffles 2b 1;

piston 2c, can be along the setting in 2a of axial sliding of 2a communicating pipe, the lateral wall of piston 2c and the inner wall of 2a of communicating pipe are laminated;

the spring 2d is arranged inside the communicating pipe 2a, the length direction of the spring 2d is consistent with the axial direction of the communicating pipe 2a, one end of the spring 2d is fixedly connected with one end, far away from the capillary 1b, inside the communicating pipe 2a, and the other end of the spring 2d is fixedly connected with the top end of the piston 2 c;

two bearings 2e are arranged, the two bearings 2e are arranged on the communicating pipe 2a, and two ends of the inner side of the irrigation annular pipe 2b are rotatably sleeved on the communicating pipe 2a through the communicating pipe 2 a.

Based on the above embodiment, the problem of how to realize the rotary drip irrigation of the emitter 2 at a certain pressure value is solved, water flows into the capillary 1b through the main pipe 1a and then flows into the emitter 2, when the water pressure is not reached, the spring 2d provides pressure to press the piston 2c downwards, so that the piston 2c is positioned at the part of the communicating pipe 2a close to the capillary 1b, the emitter 2 is in a closed state at the moment, when drip irrigation is needed, the water pressure is increased, under the water pressure action of the capillary 1b, the water flowing into the communicating pipe 2a jacks up the piston 2c upwards, the spring 2d is compressed until the water can enter the emitter loop 2b through the waterproof section on the communicating pipe 2a, and because the water flowing into the emitter loop 2b has a certain water pressure at the moment, the spiral water baffle 2b1 in the emitter loop 2b can be impacted, so that the emitter loop 2b rotates under the driving of the spiral water baffle 2b1, the water flow moves downwards along the spiral direction of the spiral water baffle 2b1 until flowing into the water outlet 2b2 and is discharged to the outside through the water outlet 2b2, thereby realizing the rotary drip irrigation function of the emitter 2.

Further:

the connection pipe 2a includes a first connection pipe 2a1, a second connection pipe 2a2, and a connection post 2a 3;

a first connecting pipe 2a1 arranged in a hollow manner, wherein one end of the first connecting pipe 2a1 is communicated with the side wall of the capillary 1 b;

a second connection tube 2a2 coaxially disposed with the first connection tube 2a1, the second connection tube 2a2 having an inner diameter identical to that of the first connection tube 2a1, the second connection tube 2a2 having an opening direction directed to the first connection tube 2a1, the second connection tube 2a2 having a length smaller than that of the first connection tube 2a 1;

the number of the connecting columns 2a3 is at least three, the connecting columns 2a3 are annularly arranged around the axis of the first connecting tube 2a1, the connecting column 2a3 is located between the first connecting tube 2a1 and the second connecting tube 2a2, and two ends of the connecting column 2a3 are fixedly connected with the ends of the first connecting tube 2a1 and the second connecting tube 2a2 respectively.

Based on above-mentioned embodiment, how to improve rivers and to spiral breakwater 2b1 impact the degree of consistency has been solved, the problem of the rotatory stability of ring canal 2b of watering is improved, opening size is improved as far as possible under the prerequisite that does not influence piston 2c activity through being in the opening with the same high position of communicating pipe 2a, make the inside rivers of ring canal 2b of watering that flow in more even, and then make a plurality of spiral breakwater 2b1 atress more even, and then improved the stationarity of ring canal 2b slew velocity of watering, improve rotatory drip irrigation effect.

Further:

emitter 2 is still including dustproof cap 2f and connecting rod 2g, connecting rod 2g sets up on communicating pipe 2a, dustproof cap 2f sets up the one end of keeping away from hollow billet 1b communicating pipe 2a, the internal diameter of dustproof cap 2f is greater than communicating pipe 2 a's external diameter, connecting rod 2 g's length direction is unanimous with communicating pipe 2 a's axis direction, connecting rod 2 g's one end and dustproof cap 2 f's inside wall top fixed connection, hollow billet 1 b's one end fixed connection is kept away from to connecting rod 2 g's the other end and piston 2 c.

Based on above-mentioned embodiment, how to realize dirt-proof problem when the emitter 2 is out of work has been solved, through increasing dustproof cap 2f and connecting rod 2g, make dustproof cap 2f cover delivery port 2b2 when emitter 2 is out of work, prevent that the dust from getting into and causing the jam in delivery port 2b2, when needs drip irrigation the operation, piston 2c rises and drives the motion of the connecting rod 2g of being connected with it, and then drive dustproof cap 2f through connecting rod 2g and rise in step, make dustproof cap 2f break away from delivery port 2b2, and then guaranteed that delivery port 2b2 can not produce the interference to it at during operation dustproof cap 2 f.

And further:

the communicating pipe 2a is also provided with two limiting installation devices which are respectively positioned at the upper end and the lower end of the irrigation annular pipe 2b, each limiting installation device comprises two limiting rings 2a4, the limiting rings 2a4 are fixedly sleeved on the outer side wall of the communicating pipe 2a, the two limiting rings 2a4 are respectively positioned at the two sides of the end part of the irrigation annular pipe 2b, and the bearing 2e is positioned between the two limiting rings 2a 4.

Based on the above embodiment, the problem of how to ensure that the irrigation ring pipe 2b can stably rotate on the communication pipe 2a is solved, the limiting ring 2a4 clamps the communication pipe 2a therein, and the relative position of the irrigation ring pipe 2b on the communication pipe 2a is limited, thereby ensuring the stability of the rotation of the irrigation ring pipe 2 b.

And further:

the emitter 2 further comprises two sealing rings 2i, the sealing rings 2i are positioned in the two limit mounting devices, and the sealing rings 2i are positioned at the connecting part of the limit rings 2a4 and the end part of the emitter ring pipe 2 b.

Based on the above embodiment, the sealing ring 2i ensures that water will not leak when flowing into the irrigation ring 2b, so that the water can impact the spiral water baffle 2b1 to realize the normal rotation of the irrigation ring 2 b.

And further:

the system also comprises a pressurized conveying system 3, a water taking and filtering system 4 and an intelligent control system 5;

the pressurized conveying system 3 is connected with the drip irrigation pipeline 1;

the input end of the water taking and filtering system 4 is connected with a water source, and the output end is communicated with the drip irrigation pipeline 1;

and the intelligent control system 5 is connected with the drip irrigation pipeline 1, the emitter 2, the pressurizing and conveying system 3 and the water taking and filtering system 4 through electric signals.

Based on above-mentioned embodiment, through increasing pressurization conveying system 3, water intaking filtration system 4 and intelligence control system 5 for the whole function that possesses automatic water intaking, automatic washing, intelligent control and accurate timing ration are driped irrigation of equipment, and then realize irrigating the intelligence of greenbelt on the way, can practice thrift the cost like this, extend the function, prevent ice and snow not only winter, can cool down in summer, remove dust, irrigate etc..

Further:

the water taking and filtering system 4 comprises a water taking tank 4a, a water taking pump 4b, a primary filter tank 4c and a secondary filter device 4 d;

a water intake pump 4b disposed in the water intake tank 4 a;

the output end of the water taking pump 4b is communicated with the inside of the primary filter tank 4 c;

and a secondary filtering device 4d, wherein the water outlet of the primary filtering groove 4c is communicated with the water inlet of the secondary filtering device 4d, and the water outlet of the secondary filtering device 4d is communicated with the drip irrigation pipeline 1.

Based on the above embodiment, the drip irrigation pipe and the drippers are easy to block, and the requirement on water quality is high, so the pipe must be installed. The filter is an indispensable device on a medium conveying pipeline, and the water quality purification equipment or facilities comprise a sedimentation tank, a primary trash rack, a screen filter, a medium filter and the like. The proper combination form can be selected according to the water quality condition of the water source. The main function of the screen filter is to filter out suspended substances in the irrigation water so as to ensure that the whole system, particularly the drippers, are not blocked. The screen is made of nylon or corrosion-resistant metal wires, the specification of the screen hole depends on the size of dirt particles to be filtered, and 2 screens suitable for the purpose of a drip irrigation device for road green belts are needed to remove silt with the diameter of 75 microns. The gravel filter is made by filling cleaned and sorted gravel and sand into a metal cylinder according to a certain sequence, and has good filtering effect on various organic or organic dirt and suspended algae.

Further:

the secondary filter unit 4d further comprises a sand filter 4d1 and a laminated filter 4d2, and the water flows into the drip irrigation pipe 1 from the primary filter tank 4c to the sand filter 4d1 and the laminated filter 4d2 in sequence.

Based on the embodiment, the equipment can realize the back washing function on the function of filtering the water source, when the system detects that the pressure loss of the filter is a certain degree, the system starts the back washing program to automatically back wash the sand filter 4d1 and the laminated filter 4d2, remove the impurities in the filter and discharge the waste water into a waste water ditch through a pipeline.

The sand filter 4d1 is also called a quartz sand filter or a sand filter, and is a filter for performing three-dimensional deep filtration by using a sand bed formed by homogeneous quartz sand with equal particle size as a filter carrier, and is commonly used for primary filtration. It mainly uses sand as filtering material to filter. The sandstone filter is the most effective filtering equipment for removing organic impurities in water at home and abroad at present, and mainly comprises a water inlet, a water outlet, a filtering tank body, a sand bed, a sewage discharge hole and the like, and is shown in the figure I, and the impurities in the water are intercepted when raw water passes through a quartz sand filter material, so that the discharged water achieves the purpose of filtering. The sand filter needs to be backwashed regularly, and the double-tank or multi-tank sand filter can continuously supply water to the system simultaneously in the backwashing process. The sand filter can filter organic matters and inorganic impurities. The method is widely applied to various industries such as agricultural irrigation, industrial water treatment, urban water physical filtration and the like. The sand-stone filter has the characteristics of simple structure, large treatment flow, few backflushing times, high filtering efficiency, small resistance, convenient operation and maintenance and the like.

The laminated filter 4d2 described above, thin plastic laminate of a particular color, has a large number of micron-sized grooves cut into both sides of the laminate. A stack of laminations of the same pattern is pressed against a specially designed internal stay. When compressed by spring and liquid pressure, the grooves between the laminations intersect to produce a depth filtration unit having a unique series of filtration channels, which is incorporated into a super performance engineering plastic filter cartridge to form a filter. During filtering, the filtering lamination is compressed by the spring and fluid pressure, and the larger the pressure difference is, the stronger the compression force is. The self-locking efficient filtration is ensured. Liquid flows from the outer edge of the lamination to the inner edge of the lamination through the grooves and passes through 18-32 filtering points, so that unique deep filtration is formed.

Further:

the primary filter tank 4c comprises a sedimentation tank and a biological purification tank.

Further:

the intelligent control system 5 comprises a meteorological detection system, a spraying control system and a remote monitoring system.

Based on the above embodiment, intelligent control system 5 comprises meteorological monitoring system, spray control system, remote monitering system and various measurement and control instruments, and the main equipment includes equipment such as water intaking automatic control, back flush controller, spray control ware, irrigation water pump, water tank, solenoid valve, weather station, soil moisture sensor, wireless transmission module and constitutes, can realize accurate intelligent irrigation measures, realizes the best irrigation effect with minimum water consumption, improves and irrigates intelligent degree.

The intelligent irrigation system is unattended, runs fully automatically, can be displayed and operated at the cloud end in monitoring, runs integrally with the ice and snow prevention spraying system, realizes the spraying operation of preventing ice and snow in winter, realizes the irrigation operation in summer, and can realize the cooling of the bridge floor and the dust removal operation in summer.

The above examples only show one or more embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A drip irrigation device suitable for a road green belt is characterized by comprising a drip irrigation pipeline (1) and an emitter (2);

the drip irrigation pipeline (1) comprises a main pipeline (1a) and a capillary (1 b);

a plurality of capillary tubes (1b), wherein the capillary tubes (1b) are all communicated with the main pipeline (1 a);

the irrigation devices (2) are provided with a plurality of irrigation devices, each capillary (1b) is provided with a plurality of irrigation devices (2), and each irrigation device (2) comprises a communicating pipe (2a), an irrigation annular pipe (2b), a piston (2c), a spring (2d) and a bearing (2 e);

one end of the communicating pipe (2a) is communicated with the interior of the capillary (1b), the interior of the communicating pipe (2a) is arranged in a hollow mode, and the outer side wall of one end, far away from the capillary (1b), of the communicating pipe (2a) is provided with a water discharging section;

the irrigation annular pipe (2b) is sleeved on the communicating pipe (2a) in a rotatable manner, the irrigation annular pipe (2b) and the communicating pipe (2a) are coaxially arranged, and a plurality of spiral water baffles (2b1) and a water outlet (2b2) are arranged in the irrigation annular pipe (2 b);

the irrigation ring pipe is characterized by comprising spiral water baffles (2b1), a plurality of spiral water baffles (2b1) are annularly arranged between the irrigation ring pipe (2b) and the communicating pipe (2a) along the axis of the irrigation ring pipe (2b), the side wall of one side of each spiral water baffle (2b1) is fixedly arranged on the inner side wall of the irrigation ring pipe (2b), the side wall of the other side of each spiral water baffle (2b1) extends to the outer side wall of the communicating pipe (2a), and the spiral directions of the spiral water baffles (2b1) are consistent and the spiral intervals are consistent;

the water outlet (2b2), a plurality of water outlets (2b2) are annularly distributed around the axis of the irrigation annular pipe (2b), the water outlets (2b2) are arranged at the bottom end of the outer side wall of the irrigation annular pipe (2b), a plurality of water outlets (2b2) are in one-to-one correspondence with a plurality of spiral water baffles (2b1), and the water outlets (2b2) are positioned between two adjacent spiral water baffles (2b 1);

a piston (2c) which is slidably disposed in the communication pipe (2a) along the axial direction of the communication pipe (2a), and the outer side wall of the piston (2c) is attached to the inner wall of the communication pipe (2 a);

the spring (2d) is arranged inside the communicating pipe (2a), the length direction of the spring (2d) is consistent with the axial direction of the communicating pipe (2a), one end of the spring (2d) is fixedly connected with one end, far away from the capillary (1b), inside the communicating pipe (2a), and the other end of the spring (2d) is fixedly connected with the top end of the piston (2 c);

two bearings (2e) are arranged, the two bearings (2e) are arranged on the communicating pipe (2a), and the two ends of the inner side of the watering ring pipe (2b) are rotatably sleeved on the communicating pipe (2a) through the communicating pipe (2 a).

2. The drip irrigation device for road green belts according to claim 1, wherein the connection pipe (2a) comprises a first connection pipe (2a1), a second connection pipe (2a2) and a connection column (2a 3);

the first connecting pipe (2a1) is arranged in a hollow mode, and one end of the first connecting pipe (2a1) is communicated with the side wall of the capillary (1 b);

a second connection pipe (2a2) coaxially disposed with the first connection pipe (2a1), an inner diameter of the second connection pipe (2a2) being identical to an inner diameter of the first connection pipe (2a1), an opening direction of the second connection pipe (2a2) being directed to the first connection pipe (2a1), a length of the second connection pipe (2a2) being smaller than a length of the first connection pipe (2a 1);

the number of the connecting columns (2a3) is at least three, the connecting columns (2a3) are annularly arranged around the axis of the first connecting tube (2a1), the connecting column (2a3) is located between the first connecting tube (2a1) and the second connecting tube (2a2), and two ends of the connecting column (2a3) are fixedly connected with the end portions of the first connecting tube (2a1) and the second connecting tube (2a 2).

3. The drip irrigation device suitable for the road green belt according to claim 1, wherein the emitter (2) further comprises a dust cap (2f) and a connecting rod (2g), the connecting rod (2g) is arranged on the communicating pipe (2a), the dust cap (2f) is arranged at one end, away from the capillary (1b), of the communicating pipe (2a), the inner diameter of the dust cap (2f) is larger than the outer diameter of the communicating pipe (2a), the length direction of the connecting rod (2g) is consistent with the axial direction of the communicating pipe (2a), one end of the connecting rod (2g) is fixedly connected with the top end of the inner side wall of the dust cap (2f), and the other end of the connecting rod (2g) is fixedly connected with one end, away from the capillary (1b), of the piston (2 c).

4. The drip irrigation device suitable for the road green belt according to claim 1, wherein the communication pipe (2a) is further provided with two limiting installation devices, the limiting installation devices are respectively positioned at the upper end and the lower end of the irrigation circular pipe (2b), each limiting installation device comprises two limiting rings (2a4), each limiting ring (2a4) is fixedly sleeved on the outer side wall of the communication pipe (2a), the two limiting rings (2a4) are respectively positioned at two sides of the end part of the irrigation circular pipe (2b), and the bearing (2e) is positioned between the two limiting rings (2a 4).

5. A drip irrigation device suitable for road green belts according to claim 4, characterized in that the emitter (2) further comprises two sealing rings (2i), the sealing rings (2i) are located in two limit mounting devices, and the sealing rings (2i) are located at the connection of the limit rings (2a4) and the end of the irrigation ring pipe (2 b).

6. The drip irrigation device for road green belts according to claim 1, further comprising a pressurized delivery system (3), a water intake filtration system (4) and an intelligent control system (5);

the pressurizing and conveying system (3) is connected with the drip irrigation pipeline (1);

the input end of the water taking and filtering system (4) is connected with a water source, and the output end of the water taking and filtering system is communicated with the drip irrigation pipeline (1);

the intelligent control system (5) is connected with the drip irrigation pipeline (1), the irrigator (2), the pressurizing and conveying system (3) and the water taking and filtering system (4) through electric signals.

7. A drip irrigation device suitable for road green belts according to claim 6, characterized in that the intake filtering system (4) comprises an intake tank (4a), an intake pump (4b), a primary filtering tank (4c) and a secondary filtering device (4 d);

a water intake pump (4b) disposed in the water intake tank (4 a);

the output end of the water taking pump (4b) is communicated with the interior of the primary filter tank (4 c);

and the water outlet of the primary filter tank (4c) is communicated with the water inlet of the secondary filter device (4d), and the water outlet of the secondary filter device (4d) is communicated with the drip irrigation pipeline (1).

8. A drip irrigation device suitable for road green belts according to claim 7, characterized in that the secondary filtering means (4d) further comprises a sand filter (4d1) and a laminated filter (4d2), and the water flows into the drip irrigation pipe (1) from the primary filter tank (4c) to the sand filter (4d1) and the laminated filter (4d2) in sequence.

9. A drip irrigation device suitable for road green belts according to claim 6, characterized in that the primary filter tank (4c) comprises a sedimentation tank and a biological purification tank.

10. Drip irrigation installation suitable for road green belts according to claim 6, characterized in that the intelligent control system (5) comprises a meteorological detection system, a spray control system and a remote monitoring system.