CN204168842U - A kind of pressure compensated drip irrigator - Google Patents

A kind of pressure compensated drip irrigator Download PDF

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Publication number
CN204168842U
CN204168842U CN201420468844.4U CN201420468844U CN204168842U CN 204168842 U CN204168842 U CN 204168842U CN 201420468844 U CN201420468844 U CN 201420468844U CN 204168842 U CN204168842 U CN 204168842U
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CN
China
Prior art keywords
irrigator
pedestal
pressure
pad
cover
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420468844.4U
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Chinese (zh)
Inventor
张珍珍
朱德兰
张�林
陈俊英
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Northwest A&F University
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Northwest A&F University
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Priority to CN201420468844.4U priority Critical patent/CN204168842U/en
Application granted granted Critical
Publication of CN204168842U publication Critical patent/CN204168842U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of pressure compensated drip irrigator, this pressure compensated drip irrigator forms fabricated structure by upper cover, pressure compensation pad and pedestal three part, and irrigator is connected with hollow billet with inserted mode.Upper cover is provided with irrigator water inlet and screen pack, and delivery port is positioned on pedestal, and pad, between epicoele and pedestal, pad leaves flowing hole.Irrigator operation principle is: current enter irrigator epicoele from the screen pack of irrigator water inlet, flow through pad upper surface, flow into cavity of resorption pedestal through pad flowing hole and arrive delivery port, along with the continuous change of pressure, there is corresponding change thus change irrigator flow in the water outlet cross section of pad bottom.

Description

A kind of pressure compensated drip irrigator
Technical field
The utility model belongs to dry land agriculture irrigation technique field, is applicable to solve mountain region Irrigation Problems.
Background technology
Slight irrigation is the irrigation technique of at present most water-saving, by the Different Crop of different regions is adopted, needs water to require and irrigation program for Different Crop, develops the demand that corresponding irrigator is Micro-Irrigation Development.
Current mountain region is irrigated exists main problem, and one is because the discrepancy in elevation that mountain region is larger makes uniformity of irrigation water appilcation be difficult to ensure; Two is that existing pressure-compensated irrigator exists pad and do not fix, and causes it after distress resolves, be difficult to the original state that rebounds back, cause manufacture deviation excessive after pressing to cavity of resorption; Three be existing pressure-compensated irrigator when pressure is larger, pad can be squeezed to delivery port makes flow be 0; Four is existing pressure-compensated irrigator complex structures, and cost is high.Such irrigator can not meet plant growth well, thus becomes a large bottleneck of Micro-Irrigation Development.In irrigating for mountain region, Problems existing develops corresponding irrigator becomes problem demanding prompt solution.201010156199.9), a kind of adjustable-pressure fountain root irrigation machine (application number: 201010156210.1) and a kind of helical teeth labyrinth flow-path fountain root irrigation machine (application number: 201010208686.5) a kind of screw-type fountain root irrigation machine of Chinese patent (application number:, design is optimized to irrigator labyrinth flow-path, hydraulic performance is good, but do not have pressure compensation performance, being applied to mountain region irrigation has certain limitation.201110414698.2) and large discharge pressure-compensated irrigator (application number: 201210006948.9) a kind of underground pressure bubbler root irrigation device (application number:, there is pressure compensation performance, though meet mountain region to irrigate requirement, but the existence of labyrinth flow-path makes its structure relative complex, make mould more loaded down with trivial details, cost is also higher.
Summary of the invention
For prior art Problems existing and deficiency, the purpose of this utility model is, provides the pressure compensated drip irrigator that a kind of structure is simple, cheap, anti-clogging is good, manufacture deviation is little.
In order to realize above-mentioned task, the utility model takes following technical solution:
A kind of pressure compensated drip irrigator, be made up of upper cover, pressure compensation pad and pedestal, described upper cover and pedestal are welded to connect, and described pressure compensation pad is between upper cover and pedestal; Cover with irrigator water inlet and screen pack on described, have sealing wire convex body structure outward, this sealing wire convex body structure matches with the sealing wire concave volume structure on pedestal, and upper cover is inner has arc convex with water inlet junction.
Described pressure compensation pad is a material is the elastic construction of silica gel, is made up of disk, projection and flowing hole.
Within one week, have sealing wire concave volume structure around mouth outside described pedestal, base interior is divided into epicoele and cavity of resorption, and base bottom has Minimum Flow Control mouth, and delivery port is arranged at pedestal bottom.
Described water inlet diameter is 2.5mm, and overall length is 12mm.
Described screen pack width is 0.8mm, thick 2mm.
The disk diameter of pressure compensation pad is 18mm, thickness 1.3mm; Projection diameter is 8mm, and thickness is 2mm, and edge arc radius is 1mm; Flowing hole diameter is 2mm.The shore hardness of pressure compensation pad is 40 °.
Pedestal epicoele height is 8.5mm, and cavity of resorption height is 3mm, and the cavity of resorption gradient is 45 °.
The central angle of the Minimum Flow Control mouth of described base bottom is 30 °, is 0.8mm deeply.
The diameter of described irrigator delivery port is 2.5mm.
Covered water inlet on described, water inlet size matches with standard component, to be connected with hollow billet.
Described irrigator water inlet is provided with screen pack, to strengthen the performance of anti-blockage of irrigator.
Described pressure-compensated pad is the structure of disk and combination of protrusions, and disk has flowing hole, is positioned on the step of base interior, above has upper cover to press, and ensures that pad is fixing between upper cover and pedestal.Protruding bottom is plane, makes it not easily to be pressed into Minimum Flow Control mouth and causes flow will be 0L/h.Pad top is upper cover water inlet, and bottom is the delivery port of pedestal, presses down after pad top is under pressure, and makes irrigator have different delivery port areas at various pressures, thus reaches the object regulating irrigator flow.The hardness of pad is determined according to pressure compensation interval, makes pad give full play to compensate function.
The minimum outflow of described base bottom controls mouth, and when pad completely densified irrigator delivery port, irrigator still has flow, ensures the minimum discharge of irrigator.
The operation principle of pressure compensated drip irrigator of the present utility model is: current enter irrigator cavity from irrigator water inlet, flow through the pedestal arrival delivery port that the flowing hole of pad upper surface on pad enters pad bottom, along with the continuous change of pressure, there is corresponding change thus change irrigator flow in the water outlet section of pad bottom.Under normal pressure, the outlet of irrigator is nature cross section state, and flow is comparatively large, and as the pressure increases, pad sink, and use mouth of a river area and diminish, flow diminishes; Thus play and keep the flow of irrigator constant when pressure changes.When pressure is less, pressure compensation pad is not sagging or sagging degree is very little, and pedestal cavity of resorption volume is large, and water outlet cross section is also large, and flow is corresponding increase also, at this moment changes into from flushing state.
Pressure compensated drip irrigator of the present utility model, pressure compensation interval is 6-24m, and flow is 6L/h, and flow stance index is 0.04, and pressure compensation is functional, well can adapt to mountain topography, ensures to pour water uniformity.
Pressure compensated drip irrigator structure of the present utility model is simple, greatly reduces cost; Pressure compensation is functional, is suitable for mountain region and irrigates; Install simple, be easy to be accepted by numerous users.
Accompanying drawing explanation
Fig. 1 is the overall structure profile of drip emitter of the present utility model;
Fig. 2 is drip emitter superstructure profile of the present utility model;
Fig. 3 is the profile of drip emitter pressure compensation pad of the present utility model;
Fig. 4 is the front view of drip emitter pressure compensation pad of the present utility model;
Fig. 5 is the profile of pressure compensated drip irrigator pedestal of the present utility model;
Fig. 6 is the vertical view of pressure compensated drip irrigator pedestal of the present utility model;
Fig. 7 be pressure-compensated irrigator of the present utility model in compensating basin in pressure flow measured drawing.
Below in conjunction with the drawings and specific embodiments that inventor provides, the utility model is described in further detail.
Embodiment
Fig. 1 is the overall structure profile of drip emitter of the present utility model, is made up of upper cover 1, pressure compensation pad 2 and pedestal 3, and described upper cover 1 is welded to connect with pedestal 3, and described pressure compensation pad 2 is between upper cover 1 and pedestal 3; With irrigator water inlet 4 and screen pack 5 on described upper cover 1, have sealing wire convex body structure 6 outward, this sealing wire convex body structure matches with the sealing wire concave volume structure 14 on pedestal 3, and in upper cover, 1 has arc convex 7 with water inlet junction;
Described pressure compensation pad 2 is materials is the elastic construction of silica gel, is made up of disk 8, projection 9 and flowing hole 10.
Within one week, have sealing wire concave volume structure 14 around mouth outside described pedestal 3, base interior is divided into epicoele 12 and cavity of resorption 13, and base bottom has Minimum Flow Control mouth 15, and delivery port 11 is arranged at pedestal bottom.
Described water inlet 4 diameter is 2.5mm, and overall length is 12mm.
Described screen pack 5 width is 0.8mm, thick 2mm.
Disk 8 diameter of pressure compensation pad 2 is 18mm, thickness 1.3mm; Protruding 9 diameters are 8mm, and thickness is 2mm, and edge arc radius is 1mm; Flowing hole 10 diameter is 2mm.The shore hardness of pressure compensation pad is 40 °.
Pedestal epicoele 12 is highly 8.5mm, and cavity of resorption 13 is highly 3mm, and the cavity of resorption gradient is 45 °.
The central angle of the Minimum Flow Control mouth 15 bottom described pedestal 3 is 30 °, is 0.8mm deeply.
The diameter of described irrigator delivery port 11 is 2.5mm.
Fig. 2 is drip emitter superstructure profile of the present utility model, and upper cover 1 has water inlet 4 and screen pack 5, there is sealing wire bulge-structure 6 at edge, and upper cover 1 is inner has arc convex 7 with water inlet junction.Irrigator water inlet overall length is 12mm, ensures to insert the hollow billet degree of depth, and be the regions of turbulent flow of water inlet in hollow billet of irrigator, impurity level is little, enhances the anti-clogging of irrigator.
Fig. 3 figure and Fig. 4 gives profile and the front view of the utility model pressure compensated drip irrigator pressure compensation pad 2, and pressure compensation pad 2 is made up of disk 8 and protruding 9 and flowing hole 10.The distortion of pressure compensation pad 2 can regulate the area of section of emitter outlet 11, to adjust the flow of irrigator, is plane bottom it, makes it not easily to be pressed into Minimum Flow Control mouth and causes flow to be 0L/h.
Fig. 5 and Fig. 6 gives profile and the vertical view of the utility model pressure compensated drip irrigator pedestal 3, and sealing wire concave volume structure 14 is arranged at top, pedestal 3 outer, and inside is divided into epicoele 12 and cavity of resorption 13, and irrigator delivery port 11 is arranged at bottom.Minimum Flow Control mouth 15 is arranged at bottom, ensure that irrigator still has flow after irrigator delivery port 11 is all blocked by pressure compensation pad 2.
See Fig. 7, pressure compensated drip irrigator pressure compensation interval of the present utility model is 6 ~ 24m, and the flow in irrigator compensating basin is 6L/h, and flow stance index is 0.04, reaches pressure compensated requirement, is suitable for mountain region and irrigates.
Irrigator structure is simple, and die sinking is easy, and cost is low, greatly reduces the use cost of drip irrigation.Irrigator is designed to without labyrinth flow-path, and water inlet is provided with screen pack, increases the anti-stifled effect of irrigator.

Claims (7)

1. a pressure compensated drip irrigator, be made up of upper cover (1), pressure compensation pad (2) and pedestal (3), described upper cover (1) and pedestal (3) are welded to connect, and described pressure compensation pad (2) is positioned between upper cover (1) and pedestal (3); It is characterized in that, described upper cover (1) is upper with irrigator water inlet (4) and screen pack (5), there is sealing wire convex body structure (6) outward, this sealing wire convex body structure matches with the sealing wire concave volume structure (14) on pedestal (3), and in upper cover, there is arc convex (7) (1) portion and water inlet junction;
Described pressure compensation pad (2) is a material is the elastic construction of silica gel, is made up of disk (8), protruding (9) and flowing hole (10);
Described pedestal (3) outside has sealing wire concave volume structure (14) for one week around mouth, and base interior is divided into epicoele (12) and cavity of resorption (13), and base bottom has Minimum Flow Control mouth (15), and delivery port (11) is arranged at pedestal bottom.
2. pressure compensated drip irrigator according to claim 1, is characterized in that, described water inlet (4) diameter is 2.5mm, and overall length is 12mm.
3. pressure compensated drip irrigator according to claim 1, is characterized in that, described screen pack (5) width is 0.8mm, thick 2mm.
4. pressure compensated drip irrigator according to claim 1, is characterized in that, disk (8) diameter of pressure compensation pad (2) is 18mm, thickness 1.3mm; Protruding (9) diameter is 8mm, and thickness is 2mm, and edge arc radius is 1mm; Flowing hole (10) diameter is 2mm.The shore hardness of pressure compensation pad is 40 °.
5. pressure compensated drip irrigator according to claim 1, is characterized in that, pedestal epicoele (12) is highly 8.5mm, and cavity of resorption (13) is highly 3mm, and the cavity of resorption gradient is 45 °.
6. pressure compensated drip irrigator according to claim 1, is characterized in that, the central angle of the Minimum Flow Control mouth (15) of described pedestal (3) bottom is 30 °, is 0.8mm deeply.
7. pressure compensated drip irrigator according to claim 1, is characterized in that, the diameter of described irrigator delivery port (11) is 2.5mm.
CN201420468844.4U 2014-08-20 2014-08-20 A kind of pressure compensated drip irrigator Expired - Fee Related CN204168842U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420468844.4U CN204168842U (en) 2014-08-20 2014-08-20 A kind of pressure compensated drip irrigator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420468844.4U CN204168842U (en) 2014-08-20 2014-08-20 A kind of pressure compensated drip irrigator

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105325263A (en) * 2015-10-27 2016-02-17 西北农林科技大学 Anti-clogging easy-to-clean microporous ceramic drip irrigation emitter
CN105340692A (en) * 2015-10-27 2016-02-24 西北农林科技大学 Micropore ceramic pressure compensation type drip irrigation emitter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105325263A (en) * 2015-10-27 2016-02-17 西北农林科技大学 Anti-clogging easy-to-clean microporous ceramic drip irrigation emitter
CN105340692A (en) * 2015-10-27 2016-02-24 西北农林科技大学 Micropore ceramic pressure compensation type drip irrigation emitter
CN105340692B (en) * 2015-10-27 2017-12-15 西北农林科技大学 A kind of micropore ceramics pressure compensated drip douche
CN105325263B (en) * 2015-10-27 2018-07-24 西北农林科技大学 A kind of micropore ceramics drip emitter of anti-clogging easy cleaning

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150225

Termination date: 20150820