CN102783395B - Automatic-dredging anti-blocking low pressure drop irrigation emitter - Google Patents
Automatic-dredging anti-blocking low pressure drop irrigation emitter Download PDFInfo
- Publication number
- CN102783395B CN102783395B CN2012103310231A CN201210331023A CN102783395B CN 102783395 B CN102783395 B CN 102783395B CN 2012103310231 A CN2012103310231 A CN 2012103310231A CN 201210331023 A CN201210331023 A CN 201210331023A CN 102783395 B CN102783395 B CN 102783395B
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- base
- delivery port
- barrier film
- pin
- dredging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The invention relates to an automatic-dredging anti-blocking low pressure drop irrigation emitter. When irrigation is performed, water pressure in a water filling chamber acts on a diaphragm compression spring and drives a dredging pin to move to the upper part; the top of the dredging pin is pulled out from the bottom of a funnel-shaped water outlet; and the irrigation water flows from the bottom of the funnel-shaped water outlet. When the irrigation is stopped or negative pressure emerges, the compressed spring is reset and drives the dredging pin to move to the lower part through the diaphragm; the top of the dredging pin is inserted into the bottom of the funnel-shaped water outlet again; and the water outlet is dredged mechanically and closed to avoid sludge suction due to negative pressure and root system invasion. The water outlet of the drop irrigation emitter is automatically and mechanically dredged by simulating manual dredging for the first time, and the blocking removal effect is excellent; the emitter can resist against negative pressure, physical, biological and chemical blocking simultaneously; and the structure is very simple, and suitable for a low-pressure drop irrigation system.
Description
Technical field:
The invention belongs to the agricultural water-saving irrigation technical field, relate in particular to a kind of from dredging anti-obstruction low pressure drip emitter.
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, fertilizer pot, filter, manometer, flowmeters; 2. main plays the water delivery effect; 3. arm plays the water distribution effect, presses 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.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.Secondly, be the energy consumption height of drip irrigation system.Because the high energy consumption of conventional drip irrigation system has impelled the drip irrigation system of low energy consumption to arise at the historic moment.Low energy consumption drip irrigation system or be called low-pressure drip irrigation system, be present research focus also be from now on an important developing direction.Low-pressure drip irrigation system can't adopt common anti-obstruction method because system pressure is low, and the blockage problem that solves the drip emitter under the low pressure condition has more challenge.
Summary of the invention:
The object of the present invention is to provide a kind of simple in structure, performance of anti-blockage is excellent, adapt to the anti-obstruction low pressure of the mediation certainly drip emitter of low pressure water supply conditions.
The object of the present invention is achieved like this:
A kind of from dredging anti-obstruction low pressure drip emitter, comprise: base, barrier film, top cover and packing ring, one side of base is provided with connection-peg, barb is installed on the connection-peg to be connected with drip irrigation pipe by microtubule, the centre protuberance of base is provided with delivery port, delivery port be infundibulate and opening up, the center of barrier film is thick, the attenuation gradually to the edge, be provided with ripple near outer rim, the center is provided with the mediation pin, the needle point of mediation pin is towards base one side, face the center of the infundibulate delivery port of below, the top of mediation pin is cylindrical, diameter is slightly less than the base diameter of infundibulate delivery port, the center of barrier film is equipped with spring with respect to the opposite side of mediation pin, be used for barrier film and reset, made by stainless steel material, when not irrigating, the bottom that the infundibulate delivery port is inserted at the top of mediation pin, top cover is connected with base by screw thread, and the space that barrier film surrounds base and top cover is separated into two parts up and down, and the bottom is divided into water filling cavity, top is divided into air chamber, packing ring is used for sealing, is made base by elastomeric material, barrier film, top cover, packing ring, delivery port, the mediation pin, the geometric figure of the horizontal cross-section of water filling cavity and air chamber is all circular concentric.Except packing ring by elastomeric material and the mediation top of pin and spring with the stainless steel material, remainder can all be made by the PE material.
During irrigation, the hydraulic pressure in the water filling cavity acts on barrier film compression spring and drives the mediation pin and moves to top, and the top of mediation pin is extracted from the bottom of infundibulate delivery port, and irrigation water flows out from the bottom of infundibulate delivery port.When stopping irrigation or negative pressure occurring, compressed spring reset, drive the mediation pin by barrier film and move to the bottom, will dredge the bottom that the infundibulate delivery port is inserted at the top of pin again, delivery port is carried out machinery mediation and seals delivery port and avoid negative pressure suction mud and root intrusion.
The present invention has following good effect:
Simulation is manually carried out the machinery mediation automatically to the delivery port of drip emitter, still belongs to the first time.Because the area of elastic diaphragm is very huge with respect to the area of mediation needle point, even low-pressure drip irrigation system, the active force of machinery mediation is also very powerful, and it is equally very excellent to remove the effect of stopping up, anti-negative pressure, physics, biological and chemical stop up simultaneously, and structure is very simple.
Description of drawings:
Accompanying drawing is for dredging the schematic diagram of anti-obstruction low pressure drip emitter certainly.
Embodiment:
A kind of from dredging anti-obstruction low pressure drip emitter, as shown in drawings, comprise: base 1, barrier film 2, top cover 3 and packing ring 4, one side of base 1 is provided with connection-peg 1-1, barb is installed on the connection-peg 1-1 to be connected with drip irrigation pipe by microtubule, the centre protuberance of base 1 is provided with delivery port 1-2, delivery port 1-2 be infundibulate and opening up, the center of barrier film 2 is thick, the attenuation gradually to the edge, be provided with ripple 2-1 near outer rim, the center is provided with mediation pin 2-2, the needle point of mediation pin 2-2 is towards base 1 one sides, face the center of the infundibulate delivery port 1-2 of below, the top of mediation pin 2-2 is cylindrical, diameter is slightly less than the base diameter of infundibulate delivery port 1-2, the center of barrier film 2 is equipped with spring 2-3 with respect to the opposite side of mediation pin 2-2, being used for barrier film 2 resets, made by stainless steel material, when not irrigating, the bottom that infundibulate delivery port 1-2 is inserted at the top of mediation pin 2-2, top cover 3 is connected with base 1 by screw thread, the space that barrier film 2 surrounds base 1 and top cover 3 is separated into two parts up and down, the bottom is divided into water filling cavity 5, and top is divided into air chamber 6, and packing ring 4 is used for sealing, made base 1 by elastomeric material, barrier film 2, top cover 3, packing ring 4, delivery port 1-2, mediation pin 2-2, the geometric figure of the horizontal cross-section of water filling cavity 5 and air chamber 6 is all circular concentric.Except packing ring 4 by the top of elastomeric material and mediation pin 2-2 and spring 2-3 with the stainless steel material, remainder can all be made by the PE material.
During irrigation, the hydraulic pressure in the water filling cavity 5 acts on barrier film 2 compression spring 2-3 and drives mediation pin 2-2 and moves to top, and the top of mediation pin 2-2 is extracted from the bottom of infundibulate delivery port 1-2, and irrigation water flows out from the bottom of infundibulate delivery port 1-2.When stopping irrigation or negative pressure occurring, compressed spring 2-3 resets, driving mediation pin 2-2 by barrier film 2 moves to the bottom, again will dredge the bottom that infundibulate delivery port 1-2 is inserted at the top of pin 2-2, delivery port 1-2 will be carried out machinery mediation and sealing delivery port 1-2 avoids negative pressure suction mud and root intrusion.
Claims (1)
1. dredge anti-obstruction low pressure drip emitter certainly for one kind, it is characterized in that: comprise base (1), barrier film (2), top cover (3) and packing ring (4), one side of base (1) is provided with connection-peg (1-1), on the connection-peg (1-1) barb being installed is connected with drip irrigation pipe by microtubule, the centre protuberance of base (1) is provided with delivery port (1-2), delivery port (1-2) be infundibulate and opening up, the center of barrier film (2) is thick, the attenuation gradually to the edge, be provided with ripple (2-1) near outer rim, the center is provided with mediation pin (2-2), the needle point of mediation pin (2-2) is towards base (1) one side, face the center of the infundibulate delivery port (1-2) of below, the top of mediation pin (2-2) is cylindrical, diameter is slightly less than the base diameter of infundibulate delivery port (1-2), the center of barrier film (2) is equipped with spring (2-3) with respect to the opposite side of mediation pin (2-2), being used for barrier film (2) resets, made by stainless steel material, when not irrigating, the bottom of infundibulate delivery port (1-2) is inserted at the top of mediation pin (2-2), top cover (3) is connected with base (1) by screw thread, the space that barrier film (2) surrounds base (1) and top cover (3) is separated into two parts up and down, the bottom is divided into water filling cavity (5), top is divided into air chamber (6), packing ring (4) is used for sealing, made base (1) by elastomeric material, barrier film (2), top cover (3), packing ring (4), delivery port (1-2), mediation pin (2-2), the geometric figure of the horizontal cross-section of water filling cavity (5) and air chamber (6) is all circular concentric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103310231A CN102783395B (en) | 2012-09-10 | 2012-09-10 | Automatic-dredging anti-blocking low pressure drop irrigation emitter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103310231A CN102783395B (en) | 2012-09-10 | 2012-09-10 | Automatic-dredging anti-blocking low pressure drop irrigation emitter |
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| Publication Number | Publication Date |
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| CN102783395A CN102783395A (en) | 2012-11-21 |
| CN102783395B true CN102783395B (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103310231A Expired - Fee Related CN102783395B (en) | 2012-09-10 | 2012-09-10 | Automatic-dredging anti-blocking low pressure drop irrigation emitter |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103250615A (en) * | 2013-04-26 | 2013-08-21 | 中国农业科学院农田灌溉研究所 | Anti-blocking gravity-type underground drip irrigation system for photovoltaic water lifting |
| CN103222411A (en) * | 2013-04-26 | 2013-07-31 | 中国农业科学院农田灌溉研究所 | 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 |
| 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 |
| CN103329779B (en) * | 2013-06-08 | 2015-04-08 | 河海大学 | Water-saving and blockage-resisting underground infiltrating irrigation device |
| CN106171843B (en) * | 2016-07-07 | 2019-05-21 | 中国农业大学 | A kind of anti-clogging pressure compensation douche of the uniform self-regulated of rate of discharge |
| CN108353760B (en) * | 2018-04-05 | 2019-11-26 | 浙江蚕缘家纺股份有限公司 | A kind of water conservancy irrigation device based on solar power generation |
| CN109877153B (en) * | 2019-04-03 | 2022-01-21 | 江苏鸿灌环境集团有限公司 | A repair system for polluting soil |
| CN111714711B (en) * | 2020-06-15 | 2023-06-23 | 杭州市第三人民医院 | Bladder emptier |
| CN113575373A (en) * | 2021-08-26 | 2021-11-02 | 范月洋 | A penetrating drip irrigation sprinkler structure for trees are planted |
| CN113875553B (en) * | 2021-09-28 | 2022-08-26 | 安徽省益丰生态农业科技有限公司 | Anti-clogging drip irrigation emitter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113180A (en) * | 1976-07-23 | 1978-09-12 | Christy Mark H | Flush-drip irrigation emitter |
| CN2272332Y (en) * | 1996-03-20 | 1998-01-14 | 王小伦 | Needle plug for gunjet |
| CN2643646Y (en) * | 2003-08-04 | 2004-09-29 | 国家节水灌溉杨凌工程技术研究中心 | Anti-clogging self-flushing drip irrigation machine |
| CN202741286U (en) * | 2012-09-10 | 2013-02-20 | 中国农业科学院农田灌溉研究所 | Self-dredging anti-blocking low-pressure drip emitter |
-
2012
- 2012-09-10 CN CN2012103310231A patent/CN102783395B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4113180A (en) * | 1976-07-23 | 1978-09-12 | Christy Mark H | Flush-drip irrigation emitter |
| CN2272332Y (en) * | 1996-03-20 | 1998-01-14 | 王小伦 | Needle plug for gunjet |
| CN2643646Y (en) * | 2003-08-04 | 2004-09-29 | 国家节水灌溉杨凌工程技术研究中心 | Anti-clogging self-flushing drip irrigation machine |
| CN202741286U (en) * | 2012-09-10 | 2013-02-20 | 中国农业科学院农田灌溉研究所 | Self-dredging anti-blocking low-pressure drip emitter |
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| CN102783395A (en) | 2012-11-21 |
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