CN208676014U - A kind of positive/negative-pressure drip irrigation system - Google Patents

A kind of positive/negative-pressure drip irrigation system Download PDF

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Publication number
CN208676014U
CN208676014U CN201821157437.6U CN201821157437U CN208676014U CN 208676014 U CN208676014 U CN 208676014U CN 201821157437 U CN201821157437 U CN 201821157437U CN 208676014 U CN208676014 U CN 208676014U
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water
positive
thin
negative
pipe
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CN201821157437.6U
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Chinese (zh)
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黄效光
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Abstract

The utility model discloses a kind of positive/negative-pressure drip irrigation systems, comprising: inlet control device, water feeding tank, thin and tall bucket, U-shaped swollen contracting device and positive and negative pressure pipe;The connection of the water inlet of inlet control device and water feeding tank;Thin and tall bucket is connect by radiator drain with water feeding tank water outlet, and radiator drain protrudes into inside thin and tall bucket;Positive and negative pressure pipe is connect by delivery hose with thin and tall bucket water outlet;U-shaped swollen contracting device is between thin and tall bucket and positive and negative pressure pipe, and delivery hose passes through U-shaped swollen contracting device.Positive/negative-pressure drip irrigation system disclosed by the utility model is able to achieve positive pressure trickle irrigation and negative pressure trickle irrigation, and can automatically control inflow and water flow, easy to operate, further improves soil to the utilization rate of water.

Description

A kind of positive/negative-pressure drip irrigation system
Technical field
The utility model relates to drip irrigation technique fields, more particularly to a kind of positive/negative-pressure drip irrigation system.
Background technique
Irrigation technique has become indispensable a part in the agricultural development in China, irrigation be divided into drip irrigation and spray irrigation and Flood irrigation, wherein since utilization rate height of the drip irrigation technique to water has been accepted extensively.
Although existing agricultural dropleting enemaing system has been mature on the whole, positive pressure trickle irrigation or negative pressure trickle irrigation can only be carried out, is still deposited In the low defect of utilization rate of the soil to water, moreover, irrigation system needs the water of manual control reservoir or water tank, operation mostly It is complicated.
Therefore, how to provide a kind of positive/negative-pressure drip irrigation system that can be automatically controled inflow is that those skilled in the art need It solves the problems, such as.
Utility model content
In view of this, the present invention provides a kind of positive/negative-pressure drip irrigation systems, are able to achieve positive pressure trickle irrigation and negative pressure trickle irrigation, And inflow and water flow can be automatically controlled, and it is easy to operate, soil is further improved to the utilization rate of water.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of positive/negative-pressure drip irrigation system, comprising: inlet control device, water feeding tank, thin and tall bucket, U-shaped swollen contracting device and positive/negative-pressure Pipe;The inlet control device is connect with the water inlet of the water feeding tank;Venthole is provided on the water feeding tank;It is described thin High bucket is connect by radiator drain with the water feeding tank water outlet;The radiator drain is set close to one end of the water feeding tank There is valve, and the radiator drain protrudes into inside the thin and tall bucket;The positive and negative pressure pipe by delivery hose with it is described thin and tall Bucket water outlet connection;The U-shaped swollen contracting device is between the thin and tall bucket and the positive and negative pressure pipe, and the delivery hose passes through The U-shaped swollen contracting device.
Optionally, the inlet control device includes: tank inlet pipe, feed water valve, inlet opening, floating ball and ball-cock assembly;Institute It states feed water valve to be arranged on the tank inlet pipe, and the apopore of the feed water valve is connect with the water feeding tank water inlet;Institute It states inlet opening and is provided with the feed water valve side, the ball-cock assembly is located inside the feed water valve;The floating ball passes through described floating Ball valve is connect with the feed water valve, and the floating ball is placed in inside the water feeding tank.
Optionally, the U-shaped swollen contracting device is internally provided with dry and wet induction expander, for perceiving the delivery hose outer wall Humidity.
Optionally, the positive and negative pressure pipe includes: small hose and hard extra heavy pipe;Described small hose one end passes through the delivery hose It is connect with the thin and tall bucket water outlet;The other end of the small hose is connect with the hard extra heavy pipe, and the hard extra heavy pipe passes through firmly Extra heavy pipe front end is injected in soil.
Optionally, the positive/negative-pressure drip irrigation system further includes bracket, and the bracket is arranged below the small hose.
Through as shown from the above technical solution: the utility model discloses a kind of positive/negative-pressure drip irrigation systems, with prior art phase Than inlet control device is connect with water source, can be automatically replenished according to the water surface elevation in water feeding tank and be stopped moisturizing, be not necessarily to people Work carries out moisturizing, saves man power and material, operates simpler;Water feeding tank is equipped with venthole, and is equipped with matched Piston unplugs piston when needing to intake;U-shaped swollen contracting device can incude the humidity of delivery hose, when radiator drain pipe It is positive pressure trickle irrigation when the height of mouth is greater than the highest point height of positive and negative pressure pipe, water flow is big, and the swollen contracting device expansion of U-shaped squeezes water delivery Hose reduces the water flow of delivery hose, improves soil to the utilization rate of water;When the height of case outlet pipe nozzle is lower than positive/negative-pressure It is negative pressure trickle irrigation when the highest point height of pipe, the water flow of delivery hose is small at this time, and U-shaped swollen contracting device is shunk, and delivery hose restores To pervious diameter;That is either positive pressure dropper or negative pressure trickle irrigation, drip irrigation system disclosed by the utility model all may be used By trickle irrigation speed and water flow control in the reasonable scope, solve trickle irrigation amount it is excessive or too fast caused by utilization of the soil to water The low problem of rate.
Secondly, cistern water supply pipe, for connecting with water source, when the water surface in water feeding tank increases, floating ball is moved up, band Dynamic ball-cock assembly moves down, to close inlet opening, stops water inlet in water tank;When the decline of Water in Water Tanks face, floating ball is moved down, ball-cock assembly It moves up, inlet opening is opened, and starts to intake into water feeding tank;The step of such inlet method eliminates artificial recharge, convenient for operation.
Dry and wet incudes the humidity of delivery hose outer surface known to expander, thus expansion or shrinkage, convenient for control trickle irrigation Speed and trickle irrigation amount;The setting of bracket can make small hose form a highest point, after small hose is connected with hard extra heavy pipe, in small hose The hard extra heavy pipe of slowly instillation of highest point drop by drop, the diameter of small hose is small, and water flow can form water droplet at small hose, then drips Enter hard extra heavy pipe, achievees the purpose that trickle irrigation.And since common positive and negative pressure pipe is the small hose of a both ends even thickness, hose is very Hardly possible injects soil, i.e., can inject soil, and air when pouring in small hose is also difficult to exclude, and water flow is caused to be not easy to flow into The phenomenon that positive and negative pressure pipe;Hard extra heavy pipe is made in one end of small hose, it can be made to can be readily intercalated into soil, and soft nozzle suspended on Droplet also can prevent the air in hard extra heavy pipe from entering in small hose, play permeable air-locked function.So the utility model In small hose and hard extra heavy pipe can sufficiently realize the trickle irrigation operation to plant, meanwhile, the water instilled in hard extra heavy pipe can be in hard extra heavy pipe A thin water layer is polymerized on interior soil, these water will be slow infiltration soil, improve vegetation to the utilization rate of water;And due to The formation of small hose saliva drop, it is only necessary to by partially protruding into soil for hard extra heavy pipe, soil texture will not be destroyed, it can be always Soil is kept to be in the humidity of suitable plant growth, soil is not in drought and waterlogging phenomenon.
In conclusion having the technical effect that of reaching of the utility model
1) positive and negative pressure pipe is in such a way that small hose and hard extra heavy pipe combine, while protecting soil texture, sufficiently Realize the trickle irrigation operation to plant.
2) inlet control device uses feed water valve and ball valve co- controlling, makes it can be according to the change of water surface elevation in water feeding tank Change, controls the inflow of water tank, it is convenient and efficient without artificial progress moisturizing.
3) it is provided with dry and wet induction expander in U-shaped swollen contracting device, the water flow and hose outer wall in delivery hose can be incuded Humidity, in time control trickle irrigation speed and trickle irrigation amount, save water, improve soil to the utilization rate of water.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the structural schematic diagram of the utility model;
Fig. 2 attached drawing is the structural schematic diagram of the positive and negative pressure pipe of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment discloses a kind of positive/negative-pressure drip irrigation system, comprising: inlet control device 1, water feeding tank 2, Thin and tall bucket 3, U-shaped swollen contracting device 4 and positive and negative pressure pipe 5;Inlet control device 1 is connect with the water inlet of water feeding tank 2;It is set on water feeding tank 2 It is equipped with venthole;Thin and tall bucket 3 is connect by radiator drain 6 with 2 water outlet of water feeding tank;Radiator drain 6 is close to water feeding tank 2 One end is equipped with valve 8, and radiator drain 6 protrudes into inside thin and tall bucket 3;Positive and negative pressure pipe 5 is gone out by delivery hose 7 with thin and tall bucket 3 Mouth of a river connection;U-shaped swollen contracting device 4 is between thin and tall bucket 3 and positive and negative pressure pipe 5, and delivery hose 7 passes through U-shaped swollen contracting device 4.
Inlet control device is connect with water source, and moisturizing can be automatically replenished and stopped according to the water surface elevation in water feeding tank, Without manually carrying out moisturizing, man power and material is saved, is operated simpler;U-shaped swollen contracting device can incude the wet of delivery hose Degree is positive pressure trickle irrigation, water flow is big, and U-shaped is swollen when the height of radiator drain nozzle is greater than the highest point height of positive and negative pressure pipe The expansion of contracting device, squeezes delivery hose, reduces the water flow of delivery hose, improves soil to the utilization rate of water;When case outlet pipe pipe It is negative pressure trickle irrigation, the water flow of delivery hose is small at this time, U-shaped swollen contracting when the height of mouth is lower than the highest point height of positive and negative pressure pipe Device is shunk, and delivery hose is restored to pervious diameter;That is either positive pressure dropper or negative pressure trickle irrigation, the utility model Disclosed drip irrigation system all it is excessive or too fast make can to solve trickle irrigation amount by trickle irrigation speed and water flow control in the reasonable scope At the soil problem low to the utilization rate of water.
Optionally, inlet control device 1 includes: tank inlet pipe 11, feed water valve 12, inlet opening 13, floating ball 14 and floating ball Valve;Feed water valve 12 is arranged on tank inlet pipe 11, and the apopore of feed water valve 12 is connect with 2 water inlet of water feeding tank;Inlet opening 13 are provided with 12 side of feed water valve, and ball-cock assembly is located inside feed water valve 12;Floating ball 14 is connect by ball-cock assembly with feed water valve 12, and Floating ball 14 is placed in inside water feeding tank 2.
Cistern water supply pipe with water source for connecting, and when the water surface in water feeding tank increases, floating ball is moved up, and drives floating ball Valve moves down, to close inlet opening, stops water inlet in water tank;When the decline of Water in Water Tanks face, floating ball is moved down, and ball-cock assembly moves up, Inlet opening is opened, and starts to intake into water feeding tank;The step of such inlet method eliminates artificial recharge, convenient for operation.
Optionally, U-shaped swollen contracting device 4 is internally provided with dry and wet induction expander 41, for perceiving the wet of 7 outer wall of delivery hose Degree.
Dry and wet incudes the humidity of delivery hose outer surface known to expander, thus expansion or shrinkage, convenient for control trickle irrigation Speed and trickle irrigation amount.
Optionally, positive and negative pressure pipe 5 includes: small hose 51 and hard extra heavy pipe 52;51 one end of small hose is by delivery hose 7 and carefully High 3 water outlet of bucket connection;The other end of small hose 51 is connect with hard extra heavy pipe 52, and hard extra heavy pipe 52 is injected by hard extra heavy pipe front end 53 In soil.
Optionally, positive/negative-pressure drip irrigation system further includes bracket 9, and bracket 9 is arranged below small hose 51.
The setting of bracket can make small hose form a highest point, after small hose is connected with hard extra heavy pipe, in small hose highest The hard extra heavy pipe of slowly instillation of point drop by drop, the diameter of small hose is small, and water flow can form water droplet at small hose, then instills hard Extra heavy pipe achievees the purpose that trickle irrigation.And since common positive and negative pressure pipe is the small hose of a both ends even thickness, hose is difficult to insert Into soil, i.e., can inject soil, air when pouring in small hose is also difficult to exclude, cause water flow be not easy to flow into it is positive and negative The phenomenon that pressure pipe;Hard extra heavy pipe is made in one end of small hose, it can be made to can be readily intercalated into soil, and the water that soft nozzle suspended on Pearl also can prevent the air in hard extra heavy pipe from entering in small hose, play permeable air-locked function.So in the utility model Small hose and hard extra heavy pipe can sufficiently realize the trickle irrigation operation to plant, meanwhile, instilling the water in hard extra heavy pipe can be in hard extra heavy pipe A thin water layer is polymerized on soil, these water will be slow infiltration soil, improve vegetation to the utilization rate of water;And due to jewelry, expensive clothing and other valuables The formation of nozzle water droplet, it is only necessary to by partially protruding into soil for hard extra heavy pipe, soil texture will not be destroyed, can be always maintained at Soil is in the humidity of suitable plant growth, and soil is not in drought and waterlogging phenomenon.
The working principle of the utility model is: field is arranged smooth, water feeding tank 2 is placed on the side of thin and tall bucket 3, and handle Water feeding tank 2 are got up, and the bottom of water feeding tank is made to be higher than the top of thin and tall bucket 3.Have a water inlet in the side of water feeding tank 2, water tank into The mouth of a river connects the apopore of feed water valve 12, meanwhile, floating ball 14 is placed in inside water feeding tank 2;Have one in the lower side of water feeding tank 2 With valvular water outlet, the radiator drain 6 of a root thickness is connected on water feeding tank water outlet, and radiator drain 6 is put into In thin and tall bucket 3.Delivery hose 7 is connected on the water outlet of thin and tall bucket 3, so that delivery hose 7 is passed through U-shaped swollen contracting device 4, needs Illustrate: delivery hose 7 is made of a main line delivery hose 71 and branch delivery hose 72, each positive and negative pressure pipe 5 and branch The connection of road water-supply-pipe, gets up the 51 end branch of small hose of each positive and negative pressure pipe 5 with bracket, bracket goes out a small hose 51 most The highest point of high point, each small hose 51 will be in same level height.The plant for needing to pour is injected in each hard extra heavy pipe front end 53 In soil beside object, when soil is injected in hard extra heavy pipe front end 53, has some soil and get into inside hard extra heavy pipe front end 53, positive/negative-pressure After pipe 5 is plugged, hard extra heavy pipe 52 is covered with soil, not allowing hard 52 entering light line of extra heavy pipe, (hard extra heavy pipe is opaque if it is black Line, soil can also not had to and covered).After carrying out these, water source is opened, it pours water into water feeding tank 2, after water tank fills water, supplies Water valve is closed, and radiator drain 6, thin and tall bucket 3, delivery hose 7, U-shaped swollen contracting can be passed through by being filled at the same time into the water in water feeding tank 2 Device 4 finally flows into positive and negative pressure pipe 5, in the hard extra heavy pipe 52 of the slowly instillation of 51 highest point of small hose drop by drop, in hard extra heavy pipe 52 It will form a thin layer water on interior soil, the water in hard extra heavy pipe 52 can slowly penetrate into the soil beside plant, thus may be used To irrigating plant.Position of the nozzle of radiator drain 6 in thin and tall bucket 3 is raised and lowered, thus it is possible to vary water in thin and tall bucket 3 The height of position is positive pressure trickle irrigation soil when water level is higher than the highest point of positive/negative-pressure dripping irrigation water management small hose in thin and tall bucket 3, this When, the water flow in delivery hose 7 is big, and dry and wet expander 41 expands rapidly, reduces the diameter of delivery hose 7, makes water flow quantitative change It is small, control the speed of trickle irrigation;It is negative pressure trickle irrigation soil, dry and wet expansion when water level is lower than the highest point of small hose 51 in thin and tall bucket 3 Body 41 is shunk, and restores the diameter of delivery hose 7.With the growth of plant, the characteristic of the oriented aquatic length of the root of plant, about 2 The root of all left and right plants can pass through in the water layer in the hard extra heavy pipe 52 of the upward progress of soil in hard extra heavy pipe 52, with following for plant Grow more in hard extra heavy pipe 52 in shoaling layer, the water layer in hard extra heavy pipe 52 can be deepened slowly, and the root of such plant can be fine The water (or nutrient solution) in hard extra heavy pipe 52 inner grow.The root a part that can be achieved with plant in this way is grown in soil, A part is grown in water.Such benefit is: autochthonal of plant can play fixed plant non-lodging, and can absorb in soil Moisture content, nutrient, oxygen, the water root in hard extra heavy pipe 52 in water can largely absorb moisture content and nutrient.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (5)

1. a kind of positive/negative-pressure drip irrigation system characterized by comprising inlet control device (1), water feeding tank (2), thin and tall bucket (3), U-shaped swollen contracting device (4) and positive and negative pressure pipe (5);
The inlet control device (1) connect with the water inlet of the water feeding tank (2);Ventilation is provided on the water feeding tank (2) Hole;The thin and tall bucket (3) is connect by radiator drain (6) with the water feeding tank (2) water outlet;The radiator drain (6) One end close to the water feeding tank (2) is equipped with valve (8), and the radiator drain (6) protrudes into thin and tall bucket (3) inside; The positive and negative pressure pipe (5) is connect by delivery hose (7) with thin and tall bucket (3) water outlet;The U-shaped swollen contracting device (4) is located at Between the thin and tall bucket (3) and the positive and negative pressure pipe (5), and the delivery hose (7) passes through the U-shaped swollen contracting device (4).
2. a kind of positive/negative-pressure drip irrigation system according to claim 1, which is characterized in that inlet control device (1) packet It includes: tank inlet pipe (11), feed water valve (12), inlet opening (13), floating ball (14) and ball-cock assembly;
The feed water valve (12) is arranged on the tank inlet pipe (11), and the apopore of the feed water valve (12) and the confession The connection of water tank (2) water inlet;The inlet opening (13) is provided with the feed water valve (12) side, and the ball-cock assembly is located at the confession Water valve (12) is internal;The floating ball (14) is connect by the ball-cock assembly with the feed water valve (12), and the floating ball (14) is set It is internal in the water feeding tank (2).
3. a kind of positive/negative-pressure drip irrigation system according to claim 2, which is characterized in that set inside the U-shaped swollen contracting device (4) It is equipped with dry and wet induction expander (41), for perceiving the humidity of the delivery hose (7) outer wall.
4. a kind of positive/negative-pressure drip irrigation system according to claim 3, which is characterized in that the positive and negative pressure pipe (5) includes: thin Hose (51) and hard extra heavy pipe (52);
Described small hose (51) one end is connect by the delivery hose (7) with thin and tall bucket (3) water outlet;The small hose (51) the other end is connect with the hard extra heavy pipe (52), and the hard extra heavy pipe (52) injects soil by hard extra heavy pipe front end (53) In.
5. a kind of positive/negative-pressure drip irrigation system according to claim 4, which is characterized in that further include bracket (9), the bracket (9) setting is below the small hose (51).
CN201821157437.6U 2018-07-20 2018-07-20 A kind of positive/negative-pressure drip irrigation system Expired - Fee Related CN208676014U (en)

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Application Number Priority Date Filing Date Title
CN201821157437.6U CN208676014U (en) 2018-07-20 2018-07-20 A kind of positive/negative-pressure drip irrigation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821157437.6U CN208676014U (en) 2018-07-20 2018-07-20 A kind of positive/negative-pressure drip irrigation system

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CN208676014U true CN208676014U (en) 2019-04-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111066638A (en) * 2019-12-26 2020-04-28 西北农林科技大学 Water and fertilizer integrated device is irritated to micropore ceramic root

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111066638A (en) * 2019-12-26 2020-04-28 西北农林科技大学 Water and fertilizer integrated device is irritated to micropore ceramic root

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Granted publication date: 20190402

Termination date: 20200720