CN202283502U - Pulse type microspray irrigation spray nozzle - Google Patents
Pulse type microspray irrigation spray nozzle Download PDFInfo
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- CN202283502U CN202283502U CN2011204174305U CN201120417430U CN202283502U CN 202283502 U CN202283502 U CN 202283502U CN 2011204174305 U CN2011204174305 U CN 2011204174305U CN 201120417430 U CN201120417430 U CN 201120417430U CN 202283502 U CN202283502 U CN 202283502U
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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
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Abstract
The utility model belongs to the technical field of field irrigation and particularly relates to a pulse type microspray irrigation spray nozzle. The pulse type microspray irrigation spray nozzle comprises a shell and a piston, wherein an inner cavity of the shell is divided into a water inlet cavity and a compression cavity by the piston; the water inlet cavity is connected with a microspray irrigation water transmission vertical pipe through a water inlet flow channel; a compression cavity water supplementation one-way valve and an elastic waterstop ring are arranged on the piston; a compression spring, a tower-shaped spring, and a spherical elastic valve body are arranged in the compression cavity, and a jet hole is formed in the compression cavity; the compression spring is sleeved outside the tower-shaped spring; one end of the compression spring is propped against the piston, and the other end of the compression spring is propped against the inner wall, near the jet hole, of the shell; the big end of the tower-shaped spring is fixed on the piston, and the small end of the tower-shaped spring is fixed on the spherical elastic valve body; the water inlet curved surface of the jet hole is matched with the curved surface of the spherical elastic valve body; and a reflection cone is arranged over the jet hole. Compared with the imported pulse type microspray irrigation system, the pulse type microspray irrigation spray nozzle has the same excellent anti-blocking property and spraying uniformity and a simple structure, is low in invested cost and suitable for actual conditions of China and contributes to popularization and application.
Description
Technical field:
The utility model belongs to the field irrigation technical field, relates in particular to a kind of pulsed microspray irrigation shower nozzle.
Background technology:
Microspray irrigation is to utilize mini sprinkler to be sprayed at branches and leaves on or ground a kind of pour water form with micrometeor low pressure low-pressure water or chemical agent through pipe-line system.The difference of microspray irrigation and drip irrigation is that douche changes mini sprinkler into by water dropper, and water dropper is the residual compression that consumes hollow billet by self structure, and mini sprinkler then is to use the spray pattern consumed energy.Wetted area is bigger than drip irrigation, helps eliminating moisture saturation region like this, and moisture can be absorbed by soil at any time, has improved root district aeration condition.Compare with common sprinkling irrigation, its operating pressure is low, and range is little.It is low to have energy consumption, and the water droplet hitting power is little, can improve advantages such as cutting quality through regulating field microclimate.
There is following defective in existing microspray irrigation shower nozzle: 1. be prone to stop up; 2. the intensity of sprinkling water (water yield) ring-type is concentrated, near the precipitation intensity (water yield) at watering maximum range place far above near shower nozzle place or other place, watering lack of homogeneity, and the problem that the stable more watering intensity of outflow (water yield) ring-type is concentrated is obvious more.
For overcoming above-mentioned defective, American I ntertec company has researched and developed successfully a brand-new water-saving irrigation equipment---pulsed microspray irrigation system the eighties in 20th century.Its outstanding advantage is to have excellent performance of anti-blockage, has solved the susceptible to plugging difficult problem of microspray irrigation system effectively, has saved expensive meticulous filtration system.The pulse irrigation method is used for microspray irrigation, water jet water spray moment, water-jet velocity by zero to maximum; Reduce to zero then; Jet length also changes thereupon, therefore can reach higher rainfall distribution uniformity, thereby has overcome the shortcoming that other microspray irrigation equipment precipitation (intensity) ring-type is concentrated.The pulsed microspray irrigation system of Intertec company comprises: supply water to do, arm, pulser assembly, the elasticity of pouring water hollow billet and the water jet assembly installed in the stem of every symmetrical arm.Wherein, the pulser assembly is made up of parts such as frequency controller, pulse valve, pressure-regulating valve and fast interfaces, is the control centre of system.Therefore the elasticity of pouring water hollow billet is called the elasticity hollow billet of pouring water by the dedicated elas-tic made.The water jet assembly is made up of shower nozzle, vertical tube, water jet, support bar etc.Major defect is: 1, complex structure, and the elasticity of pouring water hollow billet needs the dedicated elas-tic made, and input cost is too high, is not suitable for national conditions; 2, back water jet water spray carries out after leaning on the release of previous water jet water spray successively, and any water jet breaks down, and system is all out of service; 3, pulsed microspray irrigation system is that mode through pulser assembly sluicing decompression starts water jet water spray process; Each is taken turns when starting the water jet water spray; The part of pressurized water is directly released in first water jet to pulser of the elasticity of respectively pouring water hollow billet assembly pipeline; Existing energy loss has water loss again.
China was exclusively introduced this patented technology of the U.S. and had been produced this equipment by Ying Te Tyke, Tianjin slight irrigation company in 1993, but eventually because of " not acclimatized ", was not suitable for national conditions, and stopped to produce.
The utility model content:
The purpose of the utility model be to provide a kind of simple in structure, investment is little, performance of anti-blockage is excellent, the pulsed microspray irrigation shower nozzle of watering good uniformity, to make up the pulsed microspray irrigation system with independent intellectual property right that is fit to China's actual conditions.
The purpose of the utility model is achieved in that
A kind of pulsed microspray irrigation shower nozzle comprises: housing, piston, and piston is divided into intake antrum and compression chamber with the inner chamber of housing; Intake antrum is connected with microspray irrigation water delivery vertical tube through water inlet flow channel; Piston is provided with compression chamber moisturizing check valve and elastic waterstop ring, and the elastic waterstop ring is fixed in the outside of piston, is provided with compression spring, turriform spring, spheroidal elastic valve body, spray-hole in the compression chamber; The compression spring is placed in outside the turriform spring; One end of compression spring is against on the piston, and the other end is against on the inwall of the housing that gets close to spray-hole, and the big first end of turriform spring is fixed on the piston; Microcephaly's one end is fixed on the spheroidal elastic valve body; The water inlet curved surface of spray-hole and the curved surface of spheroidal elastic valve body coincide, and the area of section that blocks water of piston is greater than the flow section area of spray-hole, and the flow section area of spray-hole allows the flow section area greater than the maximum of compression chamber moisturizing check valve; Be provided with the refraction awl directly over the spray-hole; The awl point of refraction awl is right against the center of spray-hole flow section, and the refraction awl is fixed on the housing through adjusting rod, support, and the cross section of the cylinder that the cone that housing, water inlet flow channel, intake antrum, piston, turriform spring constitute, compression spring constitute, spheroidal elastic valve body, spray-hole, refraction awl is circle and perpendicular bisector all overlaps.
Described compression chamber moisturizing check valve; Be positioned at the center in piston cross section; Form by moisturizing hole, elastic ball, mistake boom; The moisturizing hole be big mouthful towards the truncated cone-shaped of compression chamber osculum towards intake antrum, put in it diameter greater than moisturizing hole osculum diameter the elastic ball less than the big mouthful of diameter in moisturizing hole, the big mouthful of end in moisturizing hole covered boom.
The operation principle and the process of the pulsed microspray irrigation shower nozzle of the utility model are following:
There is the irrigation water of pressure to enter into intake antrum through microspray irrigation water delivery vertical tube, water inlet flow channel; Promoting piston pushes out the water in the compression chamber through the spray-hole of opening fast; Form high-velocity flow, after the refraction awl reflects, be sprayed at equably on the face of field with the form of tiny raindrop.In this process, compression chamber moisturizing check valve is closed automatically, avoids the water in the compression chamber to be back to intake antrum, and the compression spring is compressed, and the spheroidal elastic valve body moves to spray-hole, stops up spray-hole until the spheroidal elastic valve body, and spray-hole stops water spray.Because the spheroidal elastic valve body has stopped up spray-hole, pressure unloads to be put passage and is blocked, and the pressure in the compression chamber gos up rapidly; Compressed compression spring begins to discharge, and drives piston and moves to intake antrum, and compression chamber moisturizing check valve is opened automatically; Moisturizing in compression chamber; Because there is pressure reduction in the outside in the spheroidal elastic valve body, be adsorbed on the inboard of spray-hole, the turriform spring is stretched gradually.Reaching until the tensile force of turriform spring is enough to overcome the spheroidal elastic valve body and is adsorbed in the inboard suction of spray-hole; The spheroidal elastic valve body is drawn back rapidly from the inboard of spray-hole, and the spray-hole of obstruction is opened, and the water in the compression chamber sprays through spray-hole fast; Pressure in the compression chamber reduces rapidly; There is the irrigation water of pressure to enter into intake antrum, promotes piston the water in the compression chamber is pushed out through the spray-hole of opening fast, form high-velocity flow through microspray irrigation water delivery vertical tube, water inlet flow channel; After refraction awl refraction, be sprayed at equably on the face of field with the form of tiny raindrop.In this process, compression chamber moisturizing check valve is closed automatically, avoids the water in the compression chamber to be back to intake antrum, and the compression spring is compressed, and the spheroidal elastic valve body moves to spray-hole, stops up spray-hole until the spheroidal elastic valve body, and spray-hole stops water spray.Because the spheroidal elastic valve body has stopped up spray-hole, pressure unloads to be put passage and is blocked, and the pressure in the compression chamber gos up rapidly; Compressed compression spring begins to discharge, and drives piston and moves to intake antrum, and compression chamber moisturizing check valve is opened automatically; Moisturizing in compression chamber; Because there is pressure reduction in the outside in the spheroidal elastic valve body, be adsorbed on the inboard of spray-hole, the turriform spring is stretched gradually.Reaching until the tensile force of turriform spring is enough to overcome the spheroidal elastic valve body and is adsorbed in the inboard suction of spray-hole; The spheroidal elastic valve body is drawn back rapidly from the inboard of spray-hole, and the spray-hole of obstruction is opened, and the water in the compression chamber sprays through spray-hole fast; Pressure in the compression chamber reduces rapidly; There is the irrigation water of pressure to enter into intake antrum, promotes piston the water in the compression chamber is pushed out through the spray-hole of opening fast, form high-velocity flow through microspray irrigation water delivery vertical tube, water inlet flow channel; After refraction awl refraction, be sprayed at equably on the face of field with the form of tiny raindrop.In this process, compression chamber moisturizing check valve is closed automatically, avoids the water in the compression chamber to be back to intake antrum, and the compression spring is compressed, and the spheroidal elastic valve body moves to spray-hole, stops up spray-hole 5 until the spheroidal elastic valve body, and spray-hole stops water spray.Automatically carry out the pulse micro spray irrigation so again and again.
The utlity model has following good effect:
The pulsed microspray irrigation system that makes up with the pulsed microspray irrigation shower nozzle of the utility model is with the pulsed microspray irrigation system of American I ntertec company invention, performance of anti-blockage and rainfall distribution uniformity with same excellence.The microspray irrigation shower nozzle of existing microspray irrigation system is changed the pulsed microspray irrigation shower nozzle of the utility model; Just constituted pulsed microspray irrigation system, simple than the pulsed microspray irrigation system architecture of Intertec company invention, input cost is low; Thereby be more suitable for China's actual conditions, help applying.
Description of drawings:
Sketch map when accompanying drawing 1,2,3 is in the different operating state for the pulsed microspray irrigation shower nozzle of the utility model.
The specific embodiment:
A kind of pulsed microspray irrigation shower nozzle; Like accompanying drawing 1,2, shown in 3, comprising: housing 1, piston 2, piston 2 is divided into intake antrum 3 and compression chamber 4 with the inner chamber of housing 1; Intake antrum 3 is connected with microspray irrigation water delivery vertical tube through water inlet flow channel 3-1; Piston 2 is provided with compression chamber 4 moisturizing check valves and elastic waterstop ring 2-4, and elastic waterstop ring 2-4 is fixed in the outside of piston 2, is provided with compression spring 4-1, turriform spring 4-2, spheroidal elastic valve body 4-3, spray-hole 5 in the compression chamber 4; Compression spring 4-1 is placed in outside the turriform spring 4-2; The end of compression spring 4-1 is against on the piston 2, and the other end is against on the inwall of the housing 1 that gets close to spray-hole 5, and the big first end of turriform spring 4-2 is fixed on the piston 2; Microcephaly's one end is fixed on the spheroidal elastic valve body 4-3; The curved surface of the water inlet curved surface of spray-hole 5 and spheroidal elastic valve body 4-3 coincide, and the area of section that blocks water of piston 2 is greater than the flow section area of spray-hole 5, and the flow section area of spray-hole 5 allows the flow section area greater than the maximum of compression chamber 4 moisturizing check valves; Be provided with refraction awl 6 directly over the spray-hole 5; The awl point of refraction awl 6 is right against the center of spray-hole 5 flow sections, and refraction awl 6 is fixed on the housing 1 through adjusting rod 7, support 8, and the cross section of the cylinder that the cone that housing 1, water inlet flow channel 3-1, intake antrum 3, piston 2, turriform spring 4-2 constitute, compression spring 4-1 constitute, spheroidal elastic valve body 4-3, spray-hole 5, refraction awl 6 is circle and perpendicular bisector all overlaps.
Described compression chamber 4 moisturizing check valves; Be positioned at the center in piston 2 cross sections; Form by moisturizing hole 2-1, elastic ball 2-2, mistake boom 2-3; Moisturizing hole 2-1 be big mouthful towards the truncated cone-shaped of compression chamber 4 osculums towards intake antrum 3, put in it diameter greater than moisturizing hole 2-1 osculum diameter the elastic ball 2-2 less than big mouthful of diameter of moisturizing hole 2-1,2-1 big mouthful of end in moisturizing hole covered boom 2-3.
The operation principle and the process of the pulsed microspray irrigation shower nozzle of the utility model are following:
Shown in accompanying drawing 1; There is the irrigation water of pressure to enter into intake antrum 3 through microspray irrigation water delivery vertical tube, water inlet flow channel 3-1; Promoting piston 2 pushes out the water in the compression chamber 4 through the spray-hole of opening 5 fast; Form high-velocity flow, after refraction awl 6 reflects, be sprayed at equably on the face of field with the form of tiny raindrop.In this process, compression chamber 4 moisturizing check valves are closed automatically, avoid the water in the compression chamber 4 to be back to intake antrum 3; Compression spring 4-1 is compressed, and spheroidal elastic valve body 4-3 moves to spray-hole 5, stops up spray-hole 5 until spheroidal elastic valve body 4-3; Spray-hole 5 stops water spray, shown in accompanying drawing 2.Because spheroidal elastic valve body 4-3 has stopped up spray-hole 5, pressure unloads to be put passage and is blocked, and the pressure in the compression chamber 4 go up rapidly; Compressed compression spring 4-1 begins to discharge, and drives piston 2 and moves to intake antrum 3, and compression chamber 4 moisturizing check valves are opened automatically; Moisturizing in compression chamber 4 because there is pressure reduction in the outside in the spheroidal elastic valve body 4-3, is adsorbed on the inboard of spray-hole 5; Turriform spring 4-2 is stretched gradually, shown in accompanying drawing 3.Reaching until the tensile force of turriform spring 4-2 is enough to overcome spheroidal elastic valve body 4-3 and is adsorbed in the inboard suction of spray-hole 5, and spheroidal elastic valve body 4-3 is drawn back rapidly from the inboard of spray-hole 5, shown in accompanying drawing 1; The spray-hole 5 that stops up is opened; Water in the compression chamber 4 sprays through spray-hole 5 fast, and the pressure in the compression chamber 4 reduces rapidly, has the irrigation water of pressure to enter into intake antrum 3 through microspray irrigation water delivery vertical tube, water inlet flow channel 3-1; Promoting piston 2 pushes out the water in the compression chamber 4 through the spray-hole of opening 5 fast; Form high-velocity flow, after refraction awl 6 reflects, be sprayed at equably on the face of field with the form of tiny raindrop.In this process, compression chamber 4 moisturizing check valves are closed automatically, avoid the water in the compression chamber 4 to be back to intake antrum 3; Compression spring 4-1 is compressed, and spheroidal elastic valve body 4-3 moves to spray-hole 5, stops up spray-hole 5 until spheroidal elastic valve body 4-3; Spray-hole 5 stops water spray, shown in accompanying drawing 2.Because spheroidal elastic valve body 4-3 has stopped up spray-hole 5, pressure unloads to be put passage and is blocked, and the pressure in the compression chamber 4 go up rapidly; Compressed compression spring 4-1 begins to discharge, and drives piston 2 and moves to intake antrum 3, and compression chamber 4 moisturizing check valves are opened automatically; Moisturizing in compression chamber 4 because there is pressure reduction in the outside in the spheroidal elastic valve body 4-3, is adsorbed on the inboard of spray-hole 5; Turriform spring 4-2 is stretched gradually, shown in accompanying drawing 3.Reaching until the tensile force of turriform spring 4-2 is enough to overcome spheroidal elastic valve body 4-3 and is adsorbed in the inboard suction of spray-hole 5, and spheroidal elastic valve body 4-3 is drawn back rapidly from the inboard of spray-hole 5, shown in accompanying drawing 1; The spray-hole 5 that stops up is opened; Water in the compression chamber 4 sprays through spray-hole 5 fast, and the pressure in the compression chamber 4 reduces rapidly, has the irrigation water of pressure to enter into intake antrum 3 through microspray irrigation water delivery vertical tube, water inlet flow channel 3-1; Promoting piston 2 pushes out the water in the compression chamber 4 through the spray-hole of opening 5 fast; Form high-velocity flow, after refraction awl 6 reflects, be sprayed at equably on the face of field with the form of tiny raindrop.In this process, compression chamber 4 moisturizing check valves are closed automatically, avoid the water in the compression chamber 4 to be back to intake antrum 3; Compression spring 4-1 is compressed, and spheroidal elastic valve body 4-3 moves to spray-hole 5, stops up spray-hole 5 until spheroidal elastic valve body 4-3; Spray-hole 5 stops water spray, shown in accompanying drawing 2.Automatically carry out the pulse micro spray irrigation so again and again.
Claims (2)
1. pulsed microspray irrigation shower nozzle; It is characterized in that: comprise housing (1), piston (2); Piston (2) is divided into intake antrum (3) and compression chamber (4) with the inner chamber of housing (1); Intake antrum (3) is connected with microspray irrigation water delivery vertical tube through water inlet flow channel (3-1); Piston (2) is provided with compression chamber (4) moisturizing check valve and elastic waterstop ring (2-4), and elastic waterstop ring (2-4) is fixed in the outside of piston (2), is provided with compression spring (4-1), turriform spring (4-2), spheroidal elastic valve body (4-3), spray-hole (5) in the compression chamber (4); Compression spring (4-1) is placed in outside the turriform spring (4-2); One end of compression spring (4-1) is against on the piston (2), and the other end is against on the inwall of the housing (1) that gets close to spray-hole (5), and the big first end of turriform spring (4-2) is fixed on the piston (2); Microcephaly's one end is fixed on the spheroidal elastic valve body (4-3); The curved surface of the water inlet curved surface of spray-hole (5) and spheroidal elastic valve body (4-3) coincide, and the area of section that blocks water of piston (2) is greater than the flow section area of spray-hole (5), and the flow section area of spray-hole (5) allows the flow section area greater than the maximum of compression chamber (4) moisturizing check valve; Be provided with refraction awl (6) directly over the spray-hole (5); The awl point of refraction awl (6) is right against the center of spray-hole (5) flow section, and refraction awl (6) is fixed on the housing (1) through adjusting rod (7), support (8), and the cross section of the cylinder that the cone that housing (1), water inlet flow channel (3-1), intake antrum (3), piston (2), turriform spring (4-2) constitute, compression spring (4-1) constitute, spheroidal elastic valve body (4-3), spray-hole (5), refraction awl (6) is circle and perpendicular bisector all overlaps.
2. a kind of pulsed microspray irrigation shower nozzle according to claim 1; It is characterized in that: described compression chamber (4) moisturizing check valve; Be positioned at the center in piston (2) cross section; Form by moisturizing hole (2-1), elastic ball (2-2), mistake boom (2-3); Moisturizing hole (2-1) be big mouthful towards the truncated cone-shaped of compression chamber (4) osculum towards intake antrum (3), put in it diameter greater than moisturizing hole (2-1) osculum diameter the elastic ball (2-2) less than moisturizing hole (2-1) big mouthful diameter, moisturizing hole (2-1) big mouthful end covered boom (2-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204174305U CN202283502U (en) | 2011-10-28 | 2011-10-28 | Pulse type microspray irrigation spray nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204174305U CN202283502U (en) | 2011-10-28 | 2011-10-28 | Pulse type microspray irrigation spray nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202283502U true CN202283502U (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204174305U Withdrawn - After Issue CN202283502U (en) | 2011-10-28 | 2011-10-28 | Pulse type microspray irrigation spray nozzle |
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| Country | Link |
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| CN (1) | CN202283502U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500475A (en) * | 2011-10-28 | 2012-06-20 | 中国农业科学院农田灌溉研究所 | Pulse type micro-sprinkling irrigation spray head |
| CN102847639A (en) * | 2012-10-08 | 2013-01-02 | 中国农业科学院农田灌溉研究所 | Hydro-driven energy-storage artificial intermittent spring device |
| CN105284489A (en) * | 2015-10-14 | 2016-02-03 | 锡山区先锋家庭农场 | Jet type micro-irrigation device |
| CN109121490A (en) * | 2018-09-05 | 2019-01-04 | 安徽瓦大现代农业科技有限公司 | A method of powder ridge machine and its trickle irrigation for trickle irrigation |
-
2011
- 2011-10-28 CN CN2011204174305U patent/CN202283502U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500475A (en) * | 2011-10-28 | 2012-06-20 | 中国农业科学院农田灌溉研究所 | Pulse type micro-sprinkling irrigation spray head |
| CN102500475B (en) * | 2011-10-28 | 2013-09-25 | 中国农业科学院农田灌溉研究所 | Pulse type micro-sprinkling irrigation spray head |
| CN102847639A (en) * | 2012-10-08 | 2013-01-02 | 中国农业科学院农田灌溉研究所 | Hydro-driven energy-storage artificial intermittent spring device |
| CN102847639B (en) * | 2012-10-08 | 2015-11-25 | 中国农业科学院农田灌溉研究所 | The artificial intermittent spring device of hydro powered energy-storage type |
| CN105284489A (en) * | 2015-10-14 | 2016-02-03 | 锡山区先锋家庭农场 | Jet type micro-irrigation device |
| CN109121490A (en) * | 2018-09-05 | 2019-01-04 | 安徽瓦大现代农业科技有限公司 | A method of powder ridge machine and its trickle irrigation for trickle irrigation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120627 Effective date of abandoning: 20130925 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120627 Effective date of abandoning: 20130925 |
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| RGAV | Abandon patent right to avoid regrant |