CN101224444B - Wall-attachment fluidic sprinkler - Google Patents
Wall-attachment fluidic sprinkler Download PDFInfo
- Publication number
- CN101224444B CN101224444B CN2007101345625A CN200710134562A CN101224444B CN 101224444 B CN101224444 B CN 101224444B CN 2007101345625 A CN2007101345625 A CN 2007101345625A CN 200710134562 A CN200710134562 A CN 200710134562A CN 101224444 B CN101224444 B CN 101224444B
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- CN
- China
- Prior art keywords
- nozzle
- signal water
- water
- signal
- sprinkler
- Prior art date
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
- B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
- B05B3/06—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet by jet reaction, i.e. creating a spinning torque due to a tangential component of the jet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
- B05B3/14—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation
- B05B3/16—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with oscillating elements; with intermittent operation driven or controlled by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet
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Abstract
The invention pertains to a key equipment for water-saving irrigation, which is a wall-attached fluidic sprinkler, comprising a sprinkler body, a thrust jet, a rotary sealing mechanism, a spacing ring, a reversing mechanism and a fluidic element body. The sprinkler is characterized in that the fluidic element consists of a reverse gulp nozzle, a signal water joint nozzle, an outlet cover, a signal water entry nozzle and a draft tube; on the outer wall of the fluidic element body, the signal water joint nozzle and the reverse gulp nozzle positioned below signal water joint nozzle are arranged at one side; the signal water entry nozzle is arranged at the other side. The signal water joint nozzle and signal water entry nozzle are connected by the draft tube; the outlet cover is arranged at the upper end of the fluidic element body. The signal water inside the signal water joint nozzle causes one side of the main fluid to form a low pressure vortex region discontinuously. The opening and closing of the gulp nozzle causes another side of the main fluid to switch between high pressure and low pressure, thus forming pressure difference between two ends of the main fluid to realize water attaching and complete direct jetting of the nozzle, stepping and reverse running of the sprinkler.
Description
Technical field
The invention belongs to the key equipment in the water-saving irrigation spray irrigation system, refer in particular to wall-attached jet formula shower nozzle.
Background technology
At present, freshwater resources are in short supply to be the significant problem in the whole world, and sprinkling irrigation becomes the important means of agricultural sustainable development.Shower nozzle is the key equipment of spray irrigation system, and its performance quality directly has influence on the sprinkling irrigation effect.Using more rotating sprinkler is impact driven sprinkler, and this nozzle structure is complicated, and energy transformation ratio is not high.Now, jet has been established new status in control technology, has not also had the scholar to utilize fluidics development shower nozzle abroad.
By retrieval, the at present relevant patent of declaring has people's utility model patents such as Han Xiaoyang 90200784.X that " double-clicks synchronous fluidics sprinkler ", people's utility model patents " fluidics sprinkler " 03222424 such as Xie Fuqi, people's patents of invention " full-jet micro sprinkler head " 200610096781.4 such as Li Hong.Described " double-clicking synchronous fluidics sprinkler " adopts orifices controls signal water to connect the intercepting of signal water discontinuity in the mouth, and reversing-gear is comparatively complicated.Mend into air in tonifying Qi hole by moisture trap in " fluidics sprinkler ", and the moisture trap meeting can't operate as normal because stop up." full-jet micro sprinkler head " shower nozzle drives the shower nozzle rotation by tapering, can not finish fan-shaped sprinkling function.
Summary of the invention
The objective of the invention is the deficiency that exists in the above-mentioned sprinkling work, a kind of simple in structure, reliable wall-attached jet formula shower nozzle is provided.
The present invention includes and comprise the Connection Block of turning, hollow shaft, sprinkler body, jet pipe, rotatory sealing mechanism, spacing ring, changement, reverse plastic tube, fluidic body.Its hollow mandrel is connected with pipeline by the Connection Block of turning, and sprinkler body is connected with hollow shaft, and jet pipe is connected with sprinkler body.Rotatory sealing mechanism is positioned at sprinkler body inside, plays the effect that prevents that shower nozzle from leaking.Changement is positioned at the sprinkler body middle part, links to each other with reverse gas filling mouth through reverse plastic tube, and spacing ring is positioned at the changement both sides, plays the effect of the control changement anglec of rotation.It is characterized in that the fluidic body by reverse gas filling mouth, signal water connects mouth, the outlet cover plate, and signal water is gone into water nozzle, and mozzle is formed.On the outer wall of fluidic body, Yi Bian be provided with the reverse gas filling mouth that signal water connects mouth and is positioned at its below, another side is provided with signal water and goes into water nozzle, and signal water connects mouth goes into water nozzle with signal water and link to each other through mozzle, is provided with the outlet cover plate on the fluidic body.Utilize the current wall attachment effect, signal water connects the intercepting of signal water in the mouth and flows, make a certain side discontinuity of power stream form the low-pressure bubble district, oppositely gas filling mouth is opened and is closed to make between power stream opposite side high-low pressure and switches, thereby make two ends, the power stream left and right sides form pressure reduction, realize the attached wall of current, finish direct projection, stepping and the antiport of shower nozzle.
The water intaking that signal water connects mouth comprises in the workspace, the outer two kinds of water-supply methods of cover plate.The outer water-supply method of its cover plate can overcome because of signal water connects the shortcoming that the mouth wearing and tearing cause the shower nozzle cisco unity malfunction, makes the shower nozzle more stable work reliable.
The invention has the advantages that: because the effective control signal water easily of fluidic body connects the intercepting of signal water discontinuity in the mouth, spacing ring is controlled the unlatching of reverse gas filling mouth effectively easily or is closed, can realize that the shower nozzle automatic control finishes the stepping of discontinuity, reverse operation, realize fan-shaped sprinkling function, working stability is reliable, can work more than 3000 hours by long duration test proof shower nozzle.
Description of drawings
Fig. 1 is a wall-attached jet formula nozzle structure schematic diagram.
Fig. 2 is embodiment 1 a described fluidic body schematic diagram.
Fig. 3 is embodiment 2 described fluidic body schematic diagrames.
Fig. 4 is that the A of Fig. 2 or Fig. 3 is to view.
Fig. 5 is a direct projection view of the present invention
Fig. 6 is a stepping view of the present invention
Fig. 7 is a reverse state schematic diagram of the present invention
Fig. 8 is the rainfall distribution comparison diagram of different embodiment
Among the figure, the Connection Block of 1. turning, 2. hollow shaft, 3. spacing ring, 4. changement, 5. sprinkler body, 6. jet pipe, 7. reverse plastic tube, 8. fluidic body, 9. reverse gas filling mouth, 10. signal water connects mouth, 11. outlet cover plates, 12. signal water are gone into water nozzle, 13. mozzles
The specific embodiment
As shown in Figure 1, 2, 3, the present invention includes the runner be made up of hollow shaft (2), sprinkler body (5), jet pipe (6), the Connection Block of turning (1), spacing ring (3), changement (4), oppositely plastic tube (7), fluidic body parts such as (8), wherein fluidic body (8) is connect by signal water that mouth (10), signal water are gone into water nozzle (12), oppositely gas filling mouth (9), outlet cover plate (11), mozzle (13) are formed.Oppositely plastic tube (7) is connected with reverse gas filling mouth (9), and the duty of shower nozzle comprises direct projection, stepping, reverse three states.
Embodiment 1: signal water connects mouth, and to be located in the component cavity workspace water intaking course of work as follows:
The direct projection state: as shown in Figure 5, current are ejected in the active region from hole D, from A shown in Figure 4 to view as can be seen, power stream ejects from center hole, separate mutually at two ends, the power stream left and right sides, the two ends air can not circulate.The reverse gas filling mouth (9) in water jet element body left side is being opened wide, chamber tonifying Qi left thus, and the clearance C between exit, element right side and the water bundle is mended into air, so the right and left pressure is equal substantially, and power stream is the direct projection state, and shower nozzle is static.Meanwhile, signal water connects mouth (10) and obtained signal water on the left side edge of water bundle, and the signal water of getting is gone into water nozzle (12) direction to signal water and flowed in mozzle (13).
The stepping state: as shown in Figure 6, signal water connects the middle signal water that takes out of mouth (10) and flows into into water nozzle (12), and clearance C is more and more littler, is finally blocked, and the low-pressure bubble district is caused on the right, and left side pressure is greater than the right side.When pressure reduction reaches certain value, the attached to the right wall of power stream, current rotate shower nozzle stepping to the right by the chamfering of outlet cover plate (11) to shower nozzle generation motive force.Under attached wall state, because the bending of power stream, signal water connects mouth (10) and comes to nothing and get less than any signal water, only receives air.After signal water in the mozzle (13) exhausted, air entered blasthole (12) by mozzle (13), and both sides pressure equates that power stream recovers direct projection, circulation so repeatedly, shower nozzle automatic control finish direct projection-stepping-direct projection-... action.
Reverse state: as shown in Figure 7, oppositely plastic tube (7) links to each other with changement (4), regulate spacing ring (3) and can control the angle that shower nozzle sprays, when shower nozzle stepped to changement (4) and is subjected to spacing ring (3) restriction, oppositely gas filling mouth (9) was blocked, a left side no longer include in the chamber air mend into, form the low-pressure bubble district, still have in the right chamber air from clearance C mend into, right side pressure is greater than the left side, the attached to the left wall of power stream, the shower nozzle left side is backward rotation continuously.Turn to the spacing ring opposite side, oppositely gas filling mouth (9) reopens, and air enters left chamber, balances each other with the pressure differential in right chamber, and antiport just stops, and recovers direct projection.So repeatedly the circulation, the automatic control of wall-attached jet formula shower nozzle finish direct projection-stepping-... oppositely-direct projection-stepping ... spraying operation.
Embodiment 2: signal water connects mouth, and to be located at the cover plate course of work of fetching water outward as follows:
Current are ejected in the active region from hole D, and two ends, the left and right sides, active region form the low-pressure bubble district.By reverse plastic tube (7) tonifying Qi, the right connects mouth (10) tonifying Qi by signal water by reverse gas filling mouth (9) on the shower nozzle left side, and both sides pressure equates, the current direct projection, and shower nozzle is static.Signal water connects the middle signal water inflow signal water that takes out of mouth (10) and goes into water nozzle (12), make the right do not have air mend into, the low-pressure bubble district causes on the right, left side pressure is greater than the right side, the attached to the right wall of power stream, current rotate the shower nozzle stepping by the chamfering of outlet cover plate (11) to shower nozzle generation motive force.At this moment, the attached wall because current are turned right in the active region, by the deflection of turning right in the exit of cover plate chamfering, signal water connects mouth (10) and comes to nothing and get less than any signal water, only receives air, after signal water in the mozzle (13) exhausts, air entering signal water is gone into water nozzle (12), and both sides pressure equates that power stream recovers direct projection, so repeatedly the circulation, the shower nozzle automatic control finish direct projection-stepping-direct projection-...Oppositely plastic tube (7) links to each other with reversing-gear (4), is subjected to spacing ring (3) restriction when stepping to reversing-gear (4), and reverse gas filling mouth (9) is blocked, the low-pressure bubble district is caused on the left side, right side pressure is greater than the left side, the reverse attached wall of power stream, shower nozzle backward rotation, turn to spacing ring (3) opposite side, oppositely gas filling mouth (9) reopens, and air enters left chamber, balances each other with the pressure differential in right chamber, antiport just stops, and recovers direct projection.So repeatedly the circulation, the automatic control of the wall-attached jet formula of fetching water outward shower nozzle finish direct projection-stepping-... oppositely-direct projection-stepping ... spraying operation.
The PY2 impact driven sprinkler that the present invention and Xinchang, Zhejiang irrigation sprinkler factory produce contrasts experimental data such as following table.Wherein, PY2 impact driven sprinkler experimental data is from measured value, and JB/T 7867-1997 is People's Republic of China's machinery industry standard of issue on June 20th, 1997.
Table 1. flow, range, application rate of sprinkler irrigation contrast
| The |
10 | 15 | 20 | 30 | 40 | 50 |
| The PY2 impact driven sprinkler | 3.83 | 4.04 | 4.23 | 4.47 | 4.38 | ? |
| |
4.22 | 4.06 | 4.01 | 4.63 | 4.75 | 4.61 |
| Embodiment 2 | 3.95 | 4.01 | 4.08 | 4.52 | 4.63 | 4.50 |
Table 2. raindrop end diameter
From experimental result as can be seen, the cover plate fluid jet nozzle water conservancy performance of fetching water outward is better than in the workspace water intaking fluid jet nozzle, they have reached JB/T 7867-1997 index request, meeting the requirements of under the performance parameter prerequisite, the sprinkling uniformity of shower nozzle, raindrop size performance all obviously are better than the PY2 impact driven sprinkler.
Claims (1)
1. wall-attached jet formula shower nozzle, comprise the Connection Block of turning (1), hollow shaft (2), sprinkler body (5), jet pipe (6), rotatory sealing mechanism, spacing ring (3), changement (4), reverse plastic tube (7), fluidic body (8), its hollow mandrel (2) is connected with pipeline by the Connection Block of turning (1), sprinkler body (5) is connected with hollow shaft (2), jet pipe (6) is connected with sprinkler body (5), rotatory sealing mechanism is positioned at sprinkler body (5) inside, changement (4) is positioned at sprinkler body (5) middle part, link to each other with reverse gas filling mouth (9) through reverse plastic tube (7), spacing ring (3) is positioned at changement (4) both sides, fluidic body (8) is by reverse gas filling mouth (9), signal water connects mouth (10), outlet cover plate (11), signal water is gone into water nozzle (12), mozzle (13) is formed, on the outer wall of fluidic body (8), be provided with the reverse gas filling mouth (9) that signal water connects mouth (10) and is positioned at its below, also be provided with signal water and go into water nozzle (12), signal water connects mouth (10) and goes into water nozzle (12) with signal water and link to each other through mozzle (13), fluidic body (8) upper end is provided with outlet cover plate (11), it is characterized in that: signal water connects the water intaking position of mouth (10) for outside the outlet cover plate (11), and signal water connects mouth (10) and signal water is gone into water nozzle (12) homonymy.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101345625A CN101224444B (en) | 2007-10-26 | 2007-10-26 | Wall-attachment fluidic sprinkler |
| PCT/CN2007/003823 WO2009052674A1 (en) | 2007-10-26 | 2007-12-27 | A coanda-effect jet type sprinkler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101345625A CN101224444B (en) | 2007-10-26 | 2007-10-26 | Wall-attachment fluidic sprinkler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101224444A CN101224444A (en) | 2008-07-23 |
| CN101224444B true CN101224444B (en) | 2011-07-06 |
Family
ID=39856772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101345625A Expired - Fee Related CN101224444B (en) | 2007-10-26 | 2007-10-26 | Wall-attachment fluidic sprinkler |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101224444B (en) |
| WO (1) | WO2009052674A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9821331B2 (en) | 2013-11-05 | 2017-11-21 | Jiangsu University | Automatic control element with uniformly-distributed stepping frequency |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972722B (en) * | 2010-11-22 | 2013-04-17 | 江苏大学 | External water jet attached-wall type control element |
| CN102513240B (en) * | 2011-09-30 | 2014-04-09 | 江苏大学 | Unequal potential difference jet flow switching control element |
| CN102962149B (en) * | 2012-11-21 | 2015-11-25 | 江苏大学 | Jetting type shower nozzle commutation controlling mechanism |
| CN102962152B (en) * | 2012-11-21 | 2015-11-25 | 江苏大学 | A kind of bi-directional synchronization fluid jet nozzle |
| CN103240205B (en) | 2013-05-08 | 2016-01-13 | 江苏大学 | A kind of mesolow evenly sprays twin-jet nozzle fluid jet nozzle |
| CN103406225B (en) * | 2013-07-12 | 2015-09-02 | 江苏大学 | A kind of device of accurate control jet spout signal water withdrawal |
| CN103438949B (en) * | 2013-07-15 | 2016-03-02 | 江苏大学 | A kind of method measuring each-time wall attachment signal water flow rate of complete fluidic sprinkler |
| CN103439097B (en) * | 2013-08-27 | 2016-05-25 | 江苏大学 | A kind of measuring method of fluidics sprinkler adhering time |
| CN105772256B (en) * | 2016-04-20 | 2018-06-26 | 中国石油大学(华东) | A kind of slanting jet experimental nozzle of stepless angle adjustable |
| CN105964433B (en) * | 2016-07-04 | 2018-08-21 | 江苏大学 | A kind of mutual feedback fluid jet nozzle and spray method |
| CN105944857B (en) * | 2016-07-04 | 2018-06-01 | 江苏大学 | A kind of single feedback fluid jet nozzle and spray method |
| CN107624617A (en) * | 2017-10-10 | 2018-01-26 | 嘉善联合农业科技有限公司 | A kind of irrigation device for flower planting |
| CN112221753B (en) * | 2020-05-29 | 2022-01-11 | 江苏大学 | Adjustable sprinkling irrigation device for jet space collision of main and auxiliary nozzles |
| CN113533099B (en) * | 2021-06-29 | 2022-06-21 | 哈尔滨工程大学 | Ball cap type high-speed water jet gun head for water jet ice breaking experiment |
| CN114287325B (en) * | 2021-12-20 | 2023-03-21 | 江苏大学 | Pulse reel sprinkling machine and operation method |
| CN114453161B (en) * | 2022-01-14 | 2022-11-18 | 江苏大学 | Method for rapidly determining position of signal nozzle of spraying equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1578934A (en) * | 1976-05-28 | 1980-11-12 | Bowles Fluidics Corp | Fluidic nozzle or spray device of simple construction |
| CN86209507U (en) * | 1986-11-25 | 1988-07-20 | 浙江省嵊县抽水机站 | Full sprinkling nozzle |
| CN2060090U (en) * | 1989-12-20 | 1990-08-08 | 浙江新昌喷灌机总厂 | Rocker-arm blow head |
| CN2060370U (en) * | 1990-01-17 | 1990-08-15 | 浙江省嵊县抽水机站 | Synchronous full fluidizing blow head |
| US6732947B2 (en) * | 2000-06-20 | 2004-05-11 | Mckenna Quentin M. | Apparatus for intermittent liquid dispersal |
| JP3881605B2 (en) * | 2002-09-04 | 2007-02-14 | 株式会社シンテック | Air / wet material merging pipe and wet material pressure feeding spray method using the merging pipe |
| CN1935387A (en) * | 2006-10-16 | 2007-03-28 | 江苏大学 | Full-jet micro sprinkler head |
-
2007
- 2007-10-26 CN CN2007101345625A patent/CN101224444B/en not_active Expired - Fee Related
- 2007-12-27 WO PCT/CN2007/003823 patent/WO2009052674A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9821331B2 (en) | 2013-11-05 | 2017-11-21 | Jiangsu University | Automatic control element with uniformly-distributed stepping frequency |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101224444A (en) | 2008-07-23 |
| WO2009052674A1 (en) | 2009-04-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20161026 |