CN102553742B - Twice wall-attached jet control element adopting main spray nozzle and assistant spray nozzle - Google Patents
Twice wall-attached jet control element adopting main spray nozzle and assistant spray nozzle Download PDFInfo
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- CN102553742B CN102553742B CN201210059811.XA CN201210059811A CN102553742B CN 102553742 B CN102553742 B CN 102553742B CN 201210059811 A CN201210059811 A CN 201210059811A CN 102553742 B CN102553742 B CN 102553742B
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- 238000005507 spraying Methods 0.000 description 4
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- 238000002347 injection Methods 0.000 description 3
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
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Abstract
The invention aims to solve the key technical problem that when a water flow is straightly jetted, a signal water receiving nozzle cannot discontinuously obtain signal water, so a differential pressure cannot be formed by the left side and the right side of a jet element, a wall-attached jet for impacting a cover plate is difficult to form, and thereby a spray head cannot contrarotate and move step by step. A twice wall-attached jet control element adopting a main spray nozzle and an assistant spray nozzle comprises a main spray nozzle cover plate, a jet element body, a main spray nozzle reinflating hole, a main spray nozzle connecting pipe, an air tee joint, an assistant nozzle connecting pipe, an elbow pipe connecting piece, the assistant spray nozzle, a main spray nozzle signal receiving nozzle and an assistant spray nozzle diversion pipe. The twice wall-attached jet control element has the advantages that the structure is simple, the stability and the reliability are realized, the defect of the present jet spray head that as the flow rate of a water flow jetted from a center hole is too high, the signal water receiving nozzle is not steady enough, and thereby the rotation is not steady enough and the like are overcome, and the defect of water volume distribution of the existing spray head that the water volume is high at places far away from the spray head and the water volume is small at places close to the spray head is overcome.
Description
Technical field
The invention belongs to the key equipment in water-saving irrigation spray irrigation system fluid jet nozzle, refer in particular to twice wall-attached jet control element of a kind of major-minor nozzle.
Background technology
Sprinkler irrigation technique is one of key technology in water-saving irrigation, and fluid jet nozzle is the water-saving spray head that belongs to China's original creation, has independent intellectual property right.The operation principle of fluidics sprinkler is the wall attachment effect of current.Flowing in fluidic, current are directive atmosphere from a narrow and small nozzle.Now, the molecule of edge jet collides with static around air, original static gas is flowed together, the effect of entrainmenting in jet flow process that Here it is, in the process of entrainmenting, by certain method, change the gas pressure difference of the water jet left and right sides, thereby power stream direction is deflected.
Through retrieval, at present relevantly declare patent and have: synchronous full fluidizing blow head, application number 90200784; , application number 86209507; Fluidics sprinkler, application number 03222424; Wall-attachment fluidic sprinkler, application number 200710134562.5; At present in these patents, all requiring to be provided with signal water in active region connects mouth and obtains signal water, flow into a certain side of fluidic, this side is switched between height, this connects the problems such as the design of mouth and size for connection precision prescribed height with regard to existing signal water, and this key technical problem becomes one of Main Bottleneck of restriction fluid jet nozzle development.
At present fluid jet nozzle in the course of the work, exists and while spraying, occurs apart from shower nozzle many, the few shortcoming of the water yield nearby of the water yield at a distance; , also exist because the flow rate of water flow ejecting from centre bore is too high meanwhile, cause signal water to connect mouth water intaking stable not, fluidic left and right sides air is ganged up, thereby formation pressure reduction that can not be stable rotates the shortcomings such as stable not.Therefore, develop the novel jet flow shower nozzle of various different structures and operation principle, when fluidics is promoted, solve the problems referred to above that exist significant.
The present invention proposes twice wall-attached jet control element of major-minor nozzle of a kind of new construction, new operation principle, has the advantages such as working stability is reliable, hydraulic performance is good, belongs to a kind of technological innovation.
Summary of the invention
When technical problem to be solved by this invention is current direct projection, signal connects that mouth can not discontinuity gets signal water, thereby fluidic left and right can not form pressure reduction, be difficult for forming wall-attached jet striking cover plate, cause shower nozzle can not stepping, the key technical problem of reverse rotation motion, be to provide twice wall-attached jet control element of major-minor nozzle of a kind of simple in structure, reliable, working stability.
Twice wall-attached jet control element of nozzle, comprises that main burner cover plate, fluidic body, main burner tonifying Qi hole, main burner tube connector, air threeway, auxiliary jet tube connector, bend pipe connector, auxiliary jet, main burner signal connect mouth and auxiliary jet mozzle.
Main burner cover plate is positioned at fluidic body upper end and is tightly connected with it, and central outlet hole is normal cone shape.
The inner chamber top of fluidic body is that hole centered by active region, middle part, bottom are conical section.The exit of centre bore is prolonged correspondence on its vertical center line and is had two grooves, on the external wall of fluidic, be provided with main burner tonifying Qi hole on one side, another side is provided with main burner signal and connects mouth, auxiliary jet and main burner signal connect mouth the same side in fluidic body, and the central axis place that auxiliary jet, main burner signal connect mouth, main burner tonifying Qi hole at grade.Main burner signal connects mouth lower end and is provided with main burner blasthole over against auxiliary jet place.
Auxiliary jet inside is cylindrical inner chamber, on auxiliary jet outer wall, be provided with auxiliary jet blasthole on one side, another side is provided with the auxiliary jet water intaking mouth of auxiliary jet tonifying Qi hole and the side of being located thereon, one end of auxiliary jet water intaking mouth extends to auxiliary jet cylindrical inner chamber certain distance, there is auxiliary jet cover plate auxiliary jet upper end, and auxiliary jet cover plate central outlet hole is normal cone shape.
There is main burner bleed hole air threeway one end, and the other end has auxiliary jet bleed hole, and there is blowhole centre.
Main burner tube connector one end and main burner tonifying Qi hole are tightly connected, and the other end and main burner bleed hole are tightly connected; Auxiliary jet tube connector one end and auxiliary jet tonifying Qi hole are tightly connected, and the other end and auxiliary jet bleed hole are tightly connected; Auxiliary jet mozzle one end and auxiliary jet water intaking mouth are tightly connected, and the other end and auxiliary jet blasthole are tightly connected; Conical section in bend pipe connector one end and fluidic body connects and is tightly connected, and the other end is connected with auxiliary jet bottom bore seal.
In the shower nozzle course of work, during direct projection state, auxiliary jet outlet current are attached wall state, and main burner blasthole fills into air.After the signal water of auxiliary jet mozzle is found time by current, auxiliary jet outlet current recover direct projection state, injection enters main burner blasthole, make a side of fluidic body not have air to fill into, cause low-pressure bubble district, power stream is to the attached wall of a side that does not have air to fill into, and the attached wall of current impacts the cover plate that there is no air one side, and fluid jet nozzle is rotatablely moved.Now, auxiliary jet water intaking mouth is because signal water is got in direct projection, and signal water flows into after auxiliary jet blasthole, and jet recovers attached wall, iterative cycles like this, and twice wall-attached jet control element discontinuity of major-minor nozzle completes the switching action of direct projection, attached wall.
The invention has the advantages that: simple in structure, reliable and stable, avoided current fluid jet nozzle because the flow rate of water flow that centre bore ejects is too high, it is stable not that signal water connects mouth, thereby the shortcomings such as rotation is stable not, and at a distance the water yield is more apart from shower nozzle to have overcome existing droplet distribution, apart from the shower nozzle less shortcoming of water distribution nearby.
Accompanying drawing explanation
Fig. 1 is twice wall-attached jet control element schematic diagram of major-minor nozzle.
Fig. 2 is that A-A in Fig. 1 is to view.
Fig. 3 is the air three-port structure figure in Fig. 1.
Fig. 4 is the sectional view of auxiliary jet in Fig. 1.
Fig. 5 power stream direct projection view.
Auxiliary jet flow regime schematic diagram during the direct projection of Fig. 6 power stream.
The attached wall view of Fig. 7 power stream.
Auxiliary jet flow regime schematic diagram during the attached wall of Fig. 8 power stream.
Fig. 9 reverse state schematic diagram of the present invention.
Auxiliary jet flow regime schematic diagram when Figure 10 the present invention is reverse.
In figure, 1. main burner cover plate, 2. fluidic body, 3. main burner tonifying Qi hole, 4. active region, 5. centre bore, 6. conical section, 7. main burner tube connector, 8. air threeway, 9. auxiliary jet tube connector, 10. lower locking nut, 11. bend pipe connectors, 12. upper locking nuts, 13. auxiliary jets, 14. main burner blastholes, 15. main burner signals connect mouth, 16. grooves, 17. main burner bleed holes, 18. blowholes, 19. auxiliary jet bleed holes, 20. auxiliary jet blastholes, 21. auxiliary jet tonifying Qi holes, 22. auxiliary jet water intaking mouths, 23. auxiliary jet mozzles, 24. auxiliary jet cover plates.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiment of the invention is described in detail.
As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4, twice wall-attached jet control element of major-minor nozzle comprises that main burner cover plate 1, fluidic body 2, main burner tonifying Qi hole 3, main burner tube connector 7, air threeway 8, auxiliary jet tube connector 9, bend pipe connector 11, auxiliary jet 13, main burner signal connect mouth 15, auxiliary jet mozzle 23.
Main burner cover plate 1 is positioned at fluidic body 2 upper ends and is tightly connected with it, and central outlet hole is normal cone shape.
There is main burner bleed hole 17 air threeway 8 one end, and the other end has auxiliary jet bleed hole 19, and there is blowhole 18 centre.
Main burner tube connector 7 one end and main burner tonifying Qi hole 3 are tightly connected, and the other end and main burner bleed hole 17 are tightly connected; Auxiliary jet tube connector 9 one end and auxiliary jet tonifying Qi hole 21 are tightly connected, and the other end and auxiliary jet bleed hole 19 are tightly connected; During Air Flow, play the effect of sealing and water conservancy diversion.Auxiliary jet mozzle 23 one end and auxiliary jet water intaking mouth 22 are tightly connected, and the other end and auxiliary jet blasthole 20 are tightly connected.Conical section 6 in bend pipe connector 11 one end and fluidic body 2 connects and is tightly connected, and the other end is connected with auxiliary jet 13 bottom bore seal.
Concrete, by the following technical solutions, can make the present invention obtain best implementation result.
Main burner cover plate 1, main burner tonifying Qi hole 3, bend pipe connector 11, main burner signal connect mouth 15 and are threaded with fluidic body 2 respectively, adopt upper locking nut 12 to fix the position of bend pipe connector 11, adopt lower locking nut 10 to fix the position of auxiliary jet 13, make twice wall-attached jet control element integrated connection of major-minor nozzle reliable and stable.
The distance that auxiliary jet 13 cylindrical inner chamber are stretched in auxiliary jet water intaking mouth 22 one end is 1/8 to 1/6 of auxiliary jet 13 cylindrical inner chamber diameters.
The diameter in auxiliary jet bleed hole 19 is 1/4 to 1/2 of main burner bleed hole 17 diameters.
Main burner tonifying Qi hole 3 and main burner signal connect mouth 15 apart from 1/4 to 1 times of bore dia centered by the distance of centre bore 5 exit positions, centered by diameter 1/4 of bore dia to 1/2.
The main burner cover plate 1 of twice wall-attached jet control element of major-minor nozzle and auxiliary jet cover plate 24 can be arbitrary shape (as square, circular, oval, oval shape etc.), and the present embodiment is set as ellipse.
The duty of twice wall-attached jet control element of major-minor nozzle comprises direct projection, stepping, reverse three states.The course of work is as follows.
direct projection state: as shown in Figure 5, current are ejected in active region 4 by centre bore 5 from a part of power stream of conical section 6, the secondary jet of another part is ejected in auxiliary jet 13 by bend pipe connector 8, from Fig. 2 A-A to view, can find out, when power stream sprays from centre bore 5, due to the impact of groove 16, power stream is from centre bore 5 ejects, active region 4 is separated into left and right two parts, and the air in chamber, left and right can not circulate thus.Main burner tube connector 7 chamber tonifying Qi is left passed through by main burner bleed hole 17 in the main burner tonifying Qi hole 3 in fluidic body 2 left sides, the right chamber of fluidic body 2 fills into air by main burner blasthole 14, therefore the right and left pressure is substantially equal, and power stream is direct projection state, and shower nozzle is static.Now, flow regime in auxiliary jet 13 as shown in Figure 6, auxiliary jet tube connector 9 chamber tonifying Qi is to the right passed through by auxiliary jet bleed hole 19 in the auxiliary jet tonifying Qi hole 21 on auxiliary jet right side, left side does not have air to fill into, right side pressure is greater than left side, the attached to the left wall of secondary jet, and secondary jet is from auxiliary jet cover plate 24 ejects, injection, less than main burner blasthole 14, makes main burner blasthole 14 fill into air.
Meanwhile, bending due to secondary jet, auxiliary jet water intaking mouth 22 comes to nothing and gets less than any signal water, be communicated with and receive air with auxiliary jet tonifying Qi hole 21, after signal water in auxiliary jet mozzle 23 exhausts, air enters auxiliary jet blasthole 20, and in auxiliary jet, left and right sides pressure is substantially equal, and secondary jet returns to direct projection.
Step state: as shown in Figure 7, main burner tube connector 7 chamber tonifying Qi is left passed through by main burner bleed hole 17 in the main burner tonifying Qi hole 3 in fluidic body 2 left sides, on right side, the current that spray in auxiliary jet 13 enter main burner blasthole 14, the right chamber of fluidic body 2 does not have air to fill into, and low-pressure bubble district is caused on right side, and left side pressure is greater than right side, power stream is attached wall to the right, and current rotate shower nozzle stepping to the right by the chamfering of main burner cover plate 1 to shower nozzle generation motive force.
Now, flow regime in auxiliary jet 13 as shown in Figure 8, auxiliary jet tube connector 9 chamber tonifying Qi is to the right passed through by auxiliary jet bleed hole 19 in the auxiliary jet tonifying Qi hole 21 on auxiliary jet right side, auxiliary jet left side fills into air by the gap forming between secondary jet and auxiliary jet cover plate 24, in auxiliary jet, left and right sides pressure is substantially equal, and secondary jet is direct projection state.
Meanwhile, due to secondary jet direct projection, auxiliary jet water intaking mouth 22 is got signal water, and signal water flows into auxiliary jet blasthole 20 by auxiliary jet mozzle 23, block gap, auxiliary jet right side pressure is greater than left side, and the attached to the left wall of secondary jet, makes main burner blasthole 14 fill into air, fluidic body 2 both sides pressure equate, power stream recovers direct projection, iterative cycles like this, twice wall-attached jet control element of major-minor nozzle complete direct projection-stepping-direct projection-... action.
Reverse state: as shown in Figure 9, blowhole 18 is connected with spray head reversing mechanism, shower nozzle steps to changement and shuts blowhole 18, the main burner tonifying Qi hole 3 in fluidic body 2 left sides does not have air to fill into, the right chamber of element fills into air by main burner blasthole 14, right side pressure is greater than left side, the attached to the left wall of power stream, and shower nozzle is reverse.
Now, flow regime in auxiliary jet 13 as shown in figure 10, shut in auxiliary jet tonifying Qi hole 21 does not have air to fill into, left side is by the gap tonifying Qi forming between secondary jet and auxiliary jet cover plate 24, left side pressure is greater than right side, and secondary jet is attached wall to the right, and secondary jet is from auxiliary jet cover plate 24 ejects, injection, less than main burner blasthole 14, makes main burner blasthole 14 fill into air.
Meanwhile, shower nozzle rotates backward continuously toward left side.Turn to blowhole 18 and reopen, air enters main burner tonifying Qi hole 3, balances each other with the pressure differential in right chamber, and antiport stops, and power stream recovers direct projection state, and shower nozzle is static.
Like this iterative cycles, twice wall-attached jet control element of major-minor nozzle complete direct projection-stepping-... oppositely-direct projection-stepping ... spraying operation.
Claims (8)
1. twice wall-attached jet control element of a major-minor nozzle, it is characterized in that, comprise that main burner cover plate (1), fluidic body (2), main burner tonifying Qi hole (3), main burner tube connector (7), air threeway (8), auxiliary jet tube connector (9), bend pipe connector (11), auxiliary jet (13), main burner signal connect mouth (15) and auxiliary jet mozzle (23);
Described main burner cover plate (1) is positioned at described fluidic body (2) upper end and described fluidic body (2) is tightly connected, and described main burner cover plate (1) central outlet hole is normal cone shape;
The inner chamber top of described fluidic body (2) is that hole (5) centered by active region (4), middle part, bottom are conical section (6), the exit of described centre bore (5) is prolonged correspondence on its vertical center line and is had two grooves (16), on described fluidic body (2) outer wall, be provided with main burner tonifying Qi hole (3) on one side, another side is provided with main burner signal and connects mouth (15), described auxiliary jet (13) and described main burner signal connect mouth (15) the same side in described fluidic body (2), described auxiliary jet (13), main burner signal connects mouth (15), the central axis place in main burner tonifying Qi hole (3) at grade, described main burner signal connects mouth (15) lower end and is provided with main burner blasthole (14) over against described auxiliary jet 13 places,
Described auxiliary jet (13) inside is cylindrical inner chamber, on described auxiliary jet (13) outer wall, be provided with auxiliary jet blasthole (20) on one side, another side is provided with auxiliary jet tonifying Qi hole (21) and is positioned at the auxiliary jet water intaking mouth (22) of top, described auxiliary jet tonifying Qi hole (21), one end of described auxiliary jet water intaking mouth (22) extends into the cylindrical inner chamber certain distance of described auxiliary jet (13), described auxiliary jet (13) upper end is provided with auxiliary jet cover plate (24), described auxiliary jet cover plate (24) central outlet hole is normal cone shape, be tightly connected with described auxiliary jet (13),
Described air threeway (8) one end is provided with main burner bleed hole (17), and the other end is provided with auxiliary jet bleed hole (19), and centre is provided with blowhole (18);
Described main burner tube connector (7) one end and described main burner tonifying Qi hole (3) are tightly connected, and the other end and described main burner bleed hole (17) are tightly connected; Described auxiliary jet tube connector (9) one end and described auxiliary jet tonifying Qi hole (21) are tightly connected, and the other end and described auxiliary jet bleed hole (19) are tightly connected; Described auxiliary jet mozzle (23) one end and described auxiliary jet water intaking mouth (22) are tightly connected, and the other end and described auxiliary jet blasthole (20) are tightly connected; Described bend pipe connector (11) one end and described conical section (6) connect and are tightly connected, and the other end is connected with described auxiliary jet (13) bottom bore seal.
2. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, it is characterized in that, described main burner cover plate (1), described main burner tonifying Qi hole (3), described bend pipe connector (11), described main burner signal connect mouth (15) and are connected with described fluidic body (2) thread seal respectively.
3. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, it is characterized in that, adopt upper locking nut (12) to fix the position of described bend pipe connector (11), adopt lower locking nut (10) to fix the position of described auxiliary jet (13), make twice wall-attached jet control element integrated connection of major-minor nozzle reliable and stable.
4. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, is characterized in that, described active region (4) are conical cavity, and its coning angle is not more than 60 °, plays the effect that increases the attached wall power of current.
5. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, it is characterized in that, the distance that described auxiliary jet (13) cylindrical inner chamber is stretched in described auxiliary jet water intaking mouth (22) one end is 1/8 to 1/6 of described auxiliary jet (13) cylindrical inner chamber diameter.
6. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, is characterized in that, the diameter in described auxiliary jet bleed hole (19) is 1/4 to 1/2 of described main burner bleed hole (17) diameter.
7. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, it is characterized in that, it is 1/4 to 1 times of described centre bore (5) diameter apart from the distance of centre bore (5) exit position that described main burner tonifying Qi hole (3) and described main burner signal connect mouth (15), and the diameter that described main burner tonifying Qi hole (3) and described main burner signal connect mouth (15) is 1/4 to 1/2 of described centre bore (5) diameter.
8. twice wall-attached jet control element of a kind of major-minor nozzle according to claim 1, is characterized in that, described main burner cover plate (1) and described auxiliary jet cover plate (24) be shaped as arbitrary shape.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210059811.XA CN102553742B (en) | 2012-03-09 | 2012-03-09 | Twice wall-attached jet control element adopting main spray nozzle and assistant spray nozzle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210059811.XA CN102553742B (en) | 2012-03-09 | 2012-03-09 | Twice wall-attached jet control element adopting main spray nozzle and assistant spray nozzle |
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| CN102553742A CN102553742A (en) | 2012-07-11 |
| CN102553742B true CN102553742B (en) | 2014-02-12 |
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| CN103752437B (en) * | 2013-11-05 | 2015-11-18 | 江苏大学 | The equally distributed self controlled element of a kind of step frequency |
| CN113560293A (en) * | 2021-02-04 | 2021-10-29 | 黄雪文 | Medical sterilization device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655106A (en) * | 2009-06-26 | 2010-02-24 | 江苏大学 | Wall-attached vibrating jet type liquid-gas jet pump |
| CN101972722A (en) * | 2010-11-22 | 2011-02-16 | 江苏大学 | External water jet attached-wall type control element |
| CN102513240A (en) * | 2011-09-30 | 2012-06-27 | 江苏大学 | Unequal potential difference jet flow switching control element |
| CN202603313U (en) * | 2012-03-09 | 2012-12-19 | 江苏大学 | Main-auxiliary-nozzle twice wall-attached jet control element |
-
2012
- 2012-03-09 CN CN201210059811.XA patent/CN102553742B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101655106A (en) * | 2009-06-26 | 2010-02-24 | 江苏大学 | Wall-attached vibrating jet type liquid-gas jet pump |
| CN101972722A (en) * | 2010-11-22 | 2011-02-16 | 江苏大学 | External water jet attached-wall type control element |
| CN102513240A (en) * | 2011-09-30 | 2012-06-27 | 江苏大学 | Unequal potential difference jet flow switching control element |
| CN202603313U (en) * | 2012-03-09 | 2012-12-19 | 江苏大学 | Main-auxiliary-nozzle twice wall-attached jet control element |
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Effective date of registration: 20160616 Address after: 212009 Zhenjiang city of Jiangsu province by the fifteen new Dingmao Road No. 99 University Science Park 43 Patentee after: ZHENJIANG INSTITUTE OF FLUID ENGINEERING EQUIPMENT TECHNOLOGY, JIANGSU University Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: Jiangsu University |
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Granted publication date: 20140212 |