CN202077453U - Blocking-resisting drop irrigation douche - Google Patents
Blocking-resisting drop irrigation douche Download PDFInfo
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- CN202077453U CN202077453U CN2011201724322U CN201120172432U CN202077453U CN 202077453 U CN202077453 U CN 202077453U CN 2011201724322 U CN2011201724322 U CN 2011201724322U CN 201120172432 U CN201120172432 U CN 201120172432U CN 202077453 U CN202077453 U CN 202077453U
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- water dropper
- irrigation
- water
- top cover
- blocking
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Abstract
The utility model belongs to the technical field of field irrigation and particularly relates to a blocking-resisting drop irrigation douche, comprising a top cap, a water dropper and a flow stabilization valve, wherein an inner cavity of the water dropper is divided into a water inlet cavity and a buffering cavity by the hollow cone-shaped flow stabilization valve which is embedded in the inner cavity of the water dropper, has a downward opening, and has a calatrava cross-shaped tip end; at the lower part of the buffering cavity, the tip end of the hollow cone of the water dropper has a crossed notch; and the water dropper can be connected with tubuler billets by the top cap. The blocking-resisting drop irrigation douche has the function of pressure compensation, and can ensure the uniformity of irrigation under the condition of the long tubuler billets and complicated geography; the blocking-resisting drop irrigation douche has the self-repair function of self-washing and self-boosting, and can resist physical blocking and biological blocking so as to realize an excellent blocking resisting property and is especially applicable to underground irrigation and under-membrane irrigation for which the douche is not easy to replace; and the blocking-resisting drop irrigation douche has the advantages that the structure is simple, the processing, production and use are convenient, the input cost is low, and the durability is good.
Description
Technical field:
The utility model belongs to the field irrigation technical field, relates in particular to a kind of Antiplugging drip irrigation irrigator.
Background technology:
Drip irrigation is a kind of of localized irrigation, is made up of five parts such as head pivot, main, arm, hollow billet, irrigators.1. head pivot is undertaken water intaking, pressurization and water treatment task, is made up of parts such as water pump or head-tank, filter, fertilizer pot, manometer, flowmeters; 2. main plays the water delivery effect; 3. arm plays the water distribution effect, presses the control area size and the water demand of crop, and irrigation water is assigned to the irrigated plot; 4. hollow billet connects with arm, and water is delivered near the crop root; 5. irrigator comprises: water dropper, delivery port etc., the type of having nothing in common with each other and shape are in order to wetting crop root soil equably.Drip irrigation pipe and irrigator are arranged under the face of land, are referred to as underground drip irrigation.The outstanding advantage of drip irrigation is that very water-saving, particularly underground drip irrigation almost do not have evaporation of soil moisture because of irrigation water, and the utilization ratio of irrigation water is higher, and the automaticity height of drip irrigation can make soil moisture remain at optimum state.The major defect of drip irrigation is that irrigator stops up, and particularly is difficult to change the underground drip irrigation of irrigator, and it is the main cause that causes underground drip irrigation system to be scrapped that irrigator stops up, and only have 3～5 years general service life.
Drip emitter stops up and generally can be divided three classes: physics stops up, the biological obstruction and chemical the obstruction.Physics stop up mainly refer to by filter thoroughly and when stopping to supply water irrigator delivery port negative pressure suck soil particle and particle causes in the water that produces irrigator delivery port obstruction; The biological obstruction refers to mainly that bacterium breed and irrigator delivery port obstruction that the dope that forms causes and crop root hydrotaxis are grown and entered the delivery port obstruction that causes irrigator inside by the irrigator delivery port in the irrigator runner; Chemistry stops up and to refer to that mainly dissolving salt separates out the irrigator delivery port that causes and stop up, and chemistry only stops up generation under special circumstances, and for example temperature Change has caused the salt solubility variation during brackish water irrigation.The position of stopping up focuses mostly at the irrigator delivery port.
The anti-method of stopping up of drip emitter generally can be divided into two classes: chemical method and physical method.Chemical method is meant in irrigation water regularly to be injected or the raw material of irrigator production add chemical agent and kill the bacterium in the irrigator and the method for irrigator exterior circumferential crop root, can cause certain pollution to soil, environment because add chemical agent, additive capacity is very strict, the specification requirement height, except that a few countries such as the U.S., generally need not.The anti-obstruction of physical method is the method that generally adopts, the researcher of specialty or personage among the people have carried out unremitting effort in order to improve the anti-performance of stopping up of physical method, relevant invention, utility model patent constantly occur, but up to the present, the defective that drip emitter stops up does not still well overcome, reason is: the physical method of existing anti-obstruction is to removing the thick tamper poor effect that biological bacterium produces, even have no way out, or structure is too complicated, investment is big, production, constructional difficulties and be difficult to be generalizable.
The utility model content:
The purpose of this utility model be to provide a kind of simple in structure, investment is little, be convenient to produce and construct, the Antiplugging drip irrigation irrigator of performance of anti-blockage excellence especially.
The purpose of this utility model is achieved in that
A kind of Antiplugging drip irrigation irrigator, comprise: top cover, water dropper, flow stabilizing valve, top cover is provided with the connection-peg that barb is installed that is connected with hollow billet, top cover is provided with cylindrical water inlet flow channel, top cover is provided with the snap close that is used to install water dropper, water dropper is provided with the snap close corresponding with the top cover snap close, the top of water dropper is the hollow cylinder that the outside has snap close, the bottom of water dropper is a hollow cone, the inner chamber top of water dropper is cone for the cylinder bottom, the flow stabilizing valve that the inner chamber of water dropper is embedded in the water dropper inner chamber is divided into intake antrum and cushion chamber two parts, bottom at cushion chamber, the tip of the hollow cone of water dropper has cross recess, flow stabilizing valve is the hollow cone that Open Side Down, the tip of flow stabilizing valve hollow cone has cross star otch, four tongue pieces of cross star otch are when center curvature is drawn close fully, can not complete closed, the center will be reserved and prevent the flowing hole shut, one end of top cover is connected with hollow billet by connection-peg, the other end of top cover is connected with water dropper by snap close, flow stabilizing valve is embedded in the inner chamber of water dropper, top cover, water dropper, the center of the flow section of flow stabilizing valve point-blank, the cross section outer wheels profile vertical with this straight line is circle, passes through water inlet flow channel from the irrigation water of hollow billet, intake antrum, cross star otch, cushion chamber, cross recess flows in the soil of being irrigated.
Described water dropper, flow stabilizing valve are made by elastomeric material, for example silicone rubber.
The operation principle and the process of Antiplugging drip irrigation irrigator of the present utility model are as follows:
Start irrigation system, irrigation water enters the inner chamber of water dropper by water inlet flow channel, originally cross recess maintains the original state under elastic reaction and does not open, the pressure of cushion chamber rises with the pressure of intake antrum, when the pressure of cushion chamber rises to when being enough to overcome the elasticity of cross recess, cross recess opens suddenly, irrigation water sprays from cushion chamber, irrigation water is after the cushion chamber ejection, pressure in the cushion chamber descends rapidly, pressure reduction appears in intake antrum and cushion chamber, and under the effect of this pressure reduction, four tongue pieces of the cross star otch of flow stabilizing valve are to the runner center curvature, area of passage dwindles, the operating pressure of pressure stability when normal irrigation of final cushion chamber finished from flushing process, enters the normal irrigation state.From flushing process is to finish moment, the operating pressure of the pressure that cushion chamber acts on cross recess when washing certainly during greater than normal irrigation.
After entering the normal irrigation state, if pressure of supply water increases, the pressure reduction of intake antrum and cushion chamber also increases thereupon, four tongue pieces of the cross star otch of flow stabilizing valve are further increased to the degree of runner center curvature, area of passage also further dwindles, otherwise, pressure of supply water reduces, the pressure reduction of intake antrum and cushion chamber also reduces thereupon, four tongue pieces of the cross star otch of flow stabilizing valve are also further reduced to the degree of runner center curvature, area of passage further enlarges, be that area of passage and pressure of supply water are inverse ratio and change, the operating pressure when making the normal irrigation of cushion chamber does not change with pressure of supply water, and the operating pressure when acting on the normal irrigation of cross recess is constant, the outflow of cross recess is also constant, keeps constant.
In case cross recess stops up, pressure in the cushion chamber rises rapidly, operating pressure in the time of will having far above normal irrigation acts on cross recess, until tamper is gone out, pressure in the cushion chamber descends rapidly, and under the effect of intake antrum and cushion chamber pressure reduction, flow stabilizing valve will regulate that the interior pressure of cushion chamber enters or the operating pressure when coming back to normal irrigation, enter or come back to the normal irrigation state, the self-regeneration process that having finished automatically boosts stops up.
The above-mentioned course of work, the pressure that acts on cross recess is followed successively by: the operating pressure of the pressure of the self-regeneration process stopped up of boosting automatically＞when the pressure of flushing process＞normal irrigation, the opening width size sequence of corresponding cross otch also is like this with it.
The utlity model has following good effect:
1, Antiplugging drip irrigation irrigator has pressure compensation, and pressure becomes and flow is constant.Under the situation of overlength hollow billet or complex-terrain, also can guarantee the uniformity of pouring water.
2, Antiplugging drip irrigation irrigator, the performance of anti-blockage excellence has from flushing and the self-regeneration function of boosting and stopping up automatically, and not only anti-physics stops up, and also antibiont stops up.Particularly suitable is difficult for changing the subsurface irrigation and the irrigation under film of irrigator.
This be because:
1. the delivery port of Antiplugging drip irrigation irrigator (cross recess) only reaches under the situation of certain malleation and just can open, and therefore negative pressure can not take place suck the situation that soil particle enters delivery port.
2. the delivery port of Antiplugging drip irrigation irrigator (cross recess) is in closed condition usually, adds when irrigating from flushing process and the self-regeneration process of boosting automatically and stopping up, and crop root is had no chance to enter delivery port and caused the delivery port obstruction.
3. Antiplugging drip irrigation irrigator is not deposited so-called 0.7mm and is stopped up SENSITIVE SIZE, the size dimension of delivery port is dynamic change, the thick tamper that biological bacterium produces adds from flushing and the self-regeneration of boosting and stopping up automatically, even also can be removed easily.
3, simple in structure, processing, production, easy to use, drop into low, good endurance.
Description of drawings:
Accompanying drawing is the schematic diagram of Antiplugging drip irrigation irrigator of the present utility model.
Embodiment:
A kind of Antiplugging drip irrigation irrigator, as shown in drawings, comprise: top cover 1, water dropper 2, flow stabilizing valve 3, top cover 1 is provided with the connection-peg 1-1 that barb is installed that is connected with hollow billet, top cover 1 is provided with cylindrical water inlet flow channel 1-2, top cover 1 is provided with the snap close 1-3 that is used to install water dropper 2, water dropper 2 is provided with the corresponding snap close 2-1 with top cover 1 snap close 1-3, the top of water dropper 2 is the hollow cylinder that the outside has snap close 2-1, the bottom of water dropper 2 is a hollow cone, the inner chamber top of water dropper 2 is cone for the cylinder bottom, the flow stabilizing valve 3 that the inner chamber of water dropper 2 is embedded in water dropper 2 inner chambers is divided into intake antrum 2-2 and cushion chamber 2-3 two parts, bottom at cushion chamber 2-3, the tip of the hollow cone of water dropper 2 has cross recess 2-4, flow stabilizing valve 3 is the hollow cone that Open Side Down, the tip of flow stabilizing valve 3 hollow cones has cross star otch 3-1, four tongue pieces of cross star otch 3-1 are when center curvature is drawn close fully, can not complete closed, the center will be reserved and prevent the flowing hole shut, one end of top cover 1 is connected with hollow billet by connection-peg 1-1, the other end of top cover 1 is by snap close 1-3,2-1 is connected with water dropper 2, flow stabilizing valve 3 is embedded in the inner chamber of water dropper 2, top cover 1, water dropper 2, the center of the flow section of flow stabilizing valve 3 point-blank, the cross section outer wheels profile vertical with this straight line is circle, from the irrigation water of hollow billet by water inlet flow channel 1-2, intake antrum 2-2, cross star otch 3-1, cushion chamber 2-3, cross recess 2-4 flows in the soil of being irrigated.
Described water dropper 2, flow stabilizing valve 3 are made by elastomeric material, for example silicone rubber.
The operation principle and the process of Antiplugging drip irrigation irrigator of the present utility model are as follows:
As shown in drawings, start irrigation system, irrigation water enters the inner chamber of water dropper 2 by water inlet flow channel 1-2, originally cross recess 2-4 maintains the original state under elastic reaction and does not open, the pressure of cushion chamber 2-3 rises with the pressure of intake antrum 2-2, when the pressure of cushion chamber 2-3 rises to when being enough to overcome the elasticity of cross recess 2-4, cross recess 2-4 opens suddenly, irrigation water sprays from cushion chamber 2-3, irrigation water is after cushion chamber 2-3 ejection, and the pressure in the cushion chamber 2-3 descends rapidly, and pressure reduction appears in intake antrum 2-2 and cushion chamber 2-3, under the effect of this pressure reduction, four tongue pieces of the cross star otch 3-1 of flow stabilizing valve 3 are to the runner center curvature, and area of passage dwindles, the operating pressure of pressure stability when normal irrigation of final cushion chamber 2-3, finished from flushing process, entered the normal irrigation state.From flushing process is to finish moment, the operating pressure of the pressure that cushion chamber 2-3 acts on cross recess 2-4 when washing certainly during greater than normal irrigation.
After entering the normal irrigation state, if pressure of supply water increases, the pressure reduction of intake antrum 2-2 and cushion chamber 2-3 also increases thereupon, four tongue pieces of the cross star otch 3-1 of flow stabilizing valve 3 are further increased to the degree of runner center curvature, area of passage also further dwindles, otherwise, pressure of supply water reduces, the pressure reduction of intake antrum 2-2 and cushion chamber 2-3 also reduces thereupon, four tongue pieces of the cross star otch 3-1 of flow stabilizing valve 3 are also further reduced to the degree of runner center curvature, area of passage further enlarges, be that area of passage and pressure of supply water are inverse ratio and change, the operating pressure when making the normal irrigation of cushion chamber 2-3 does not change with pressure of supply water, and the operating pressure when acting on the normal irrigation of cross recess 2-4 is constant, the outflow of cross recess 2-4 is also constant, keeps constant.
In case cross recess 2-4 stops up, pressure in the cushion chamber 2-3 rises rapidly, operating pressure in the time of will having far above normal irrigation acts on cross recess 2-4, until tamper is gone out, pressure in the cushion chamber 2-3 descends rapidly, under the effect of intake antrum 2-2 and cushion chamber 2-3 pressure reduction, flow stabilizing valve 3 will regulate that pressure in the cushion chamber 2-3 enters or the operating pressure when coming back to normal irrigation, enter or come back to the normal irrigation state, the self-regeneration process that having finished automatically boosts stops up.
The above-mentioned course of work, the pressure that acts on cross recess 2-4 is followed successively by: the operating pressure of the pressure of the self-regeneration process stopped up of boosting automatically＞when the pressure of flushing process＞normal irrigation, the opening width size sequence of corresponding cross otch 2-4 also is like this with it.
Claims (2)
1. Antiplugging drip irrigation irrigator, it is characterized in that: comprise top cover (1), water dropper (2), flow stabilizing valve (3), top cover (1) is provided with the connection-peg that barb is installed (1-1) that is connected with hollow billet, top cover (1) is provided with cylindrical water inlet flow channel (1-2), top cover (1) is provided with the snap close (1-3) that is used to install water dropper (2), water dropper (2) is provided with the snap close (2-1) corresponding with top cover (1) snap close (1-3), the top of water dropper (2) is the hollow cylinder that the outside has snap close (2-1), the bottom of water dropper (2) is a hollow cone, the inner chamber top of water dropper (2) is cone for the cylinder bottom, the flow stabilizing valve (3) that the inner chamber of water dropper (2) is embedded in water dropper (2) inner chamber is divided into intake antrum (2-2) and cushion chamber (2-3) two parts, bottom at cushion chamber (2-3), the tip of the hollow cone of water dropper (2) has cross recess (2-4), flow stabilizing valve (3) is the hollow cone that Open Side Down, the tip of flow stabilizing valve (3) hollow cone has cross star otch (3-1), four tongue pieces of cross star otch (3-1) are when center curvature is drawn close fully, can not complete closed, the center will be reserved and prevent the flowing hole shut, one end of top cover (1) is connected with hollow billet by connection-peg (1-1), the other end of top cover (1) is by snap close (1-3), (2-1) be connected with water dropper (2), flow stabilizing valve (3) is embedded in the inner chamber of water dropper (2), top cover (1), water dropper (2), the center of the flow section of flow stabilizing valve (3) point-blank, the cross section outer wheels profile vertical with this straight line is circle, from the irrigation water of hollow billet by water inlet flow channel (1-2), intake antrum (2-2), cross star otch (3-1), cushion chamber (2-3), cross recess (2-4) flows in the soil of being irrigated.
2. a kind of Antiplugging drip irrigation irrigator according to claim 1 is characterized in that: described water dropper (2), flow stabilizing valve (3) are made by elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201724322U CN202077453U (en) | 2011-05-27 | 2011-05-27 | Blocking-resisting drop irrigation douche |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201724322U CN202077453U (en) | 2011-05-27 | 2011-05-27 | Blocking-resisting drop irrigation douche |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202077453U true CN202077453U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201724322U Expired - Lifetime CN202077453U (en) | 2011-05-27 | 2011-05-27 | Blocking-resisting drop irrigation douche |
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| Country | Link |
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| CN (1) | CN202077453U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284389A (en) * | 2011-05-27 | 2011-12-21 | 中国农业科学院农田灌溉研究所 | Anti-blockage drip irrigation douche |
| CN103222412A (en) * | 2013-04-26 | 2013-07-31 | 中国农业科学院农田灌溉研究所 | Wind-powered water-lifting anti-clogging gravity type underground drip irrigation system |
| CN103262778A (en) * | 2013-04-26 | 2013-08-28 | 中国农业科学院农田灌溉研究所 | Economical anti-blocking gravity type underground drip irrigation system |
| CN106358985A (en) * | 2016-08-25 | 2017-02-01 | 成都贝克森科技发展有限公司 | Novel irrigation system |
| CN108719007A (en) * | 2018-05-23 | 2018-11-02 | 长沙集智创新工业设计有限公司 | Water conservancy automatic irrigation system based on remote monitoring |
| CN114586651A (en) * | 2022-03-24 | 2022-06-07 | 山东农业大学 | Ball-shaped button type pressure compensation water dropper with suck-back prevention function |
| CN115067183A (en) * | 2022-07-06 | 2022-09-20 | 中国农业科学院农业环境与可持续发展研究所 | Self-flushing variable irrigator and application thereof |
-
2011
- 2011-05-27 CN CN2011201724322U patent/CN202077453U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102284389A (en) * | 2011-05-27 | 2011-12-21 | 中国农业科学院农田灌溉研究所 | Anti-blockage drip irrigation douche |
| CN102284389B (en) * | 2011-05-27 | 2013-01-23 | 中国农业科学院农田灌溉研究所 | Anti-blockage drip irrigation irrigator |
| CN103222412A (en) * | 2013-04-26 | 2013-07-31 | 中国农业科学院农田灌溉研究所 | Wind-powered water-lifting anti-clogging gravity type underground drip irrigation system |
| CN103262778A (en) * | 2013-04-26 | 2013-08-28 | 中国农业科学院农田灌溉研究所 | Economical anti-blocking gravity type underground drip irrigation system |
| CN106358985A (en) * | 2016-08-25 | 2017-02-01 | 成都贝克森科技发展有限公司 | Novel irrigation system |
| CN108719007A (en) * | 2018-05-23 | 2018-11-02 | 长沙集智创新工业设计有限公司 | Water conservancy automatic irrigation system based on remote monitoring |
| CN114586651A (en) * | 2022-03-24 | 2022-06-07 | 山东农业大学 | Ball-shaped button type pressure compensation water dropper with suck-back prevention function |
| CN115067183A (en) * | 2022-07-06 | 2022-09-20 | 中国农业科学院农业环境与可持续发展研究所 | Self-flushing variable irrigator and application thereof |
| CN115067183B (en) * | 2022-07-06 | 2023-03-10 | 中国农业科学院农业环境与可持续发展研究所 | Self-flushing variable irrigator and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130306 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |