CN209334001U - Adapt to the Venturi effect static nozzle and pesticide spraying device of crops sprinkling - Google Patents
Adapt to the Venturi effect static nozzle and pesticide spraying device of crops sprinkling Download PDFInfo
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- CN209334001U CN209334001U CN201822149983.1U CN201822149983U CN209334001U CN 209334001 U CN209334001 U CN 209334001U CN 201822149983 U CN201822149983 U CN 201822149983U CN 209334001 U CN209334001 U CN 209334001U
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- venturi effect
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Abstract
The utility model discloses the Venturi effect static nozzles and pesticide spraying device that adapt to crops sprinkling, it solve in the prior art be sprayed penetrability it is poor, the problem of sprinkling waste, the beneficial effect that, ecological environment high-efficient with mist droplet deposition is improved, its scheme is as follows: a kind of Venturi effect static nozzle adapting to crops sprinkling, including the internal jet pipe for medical fluid conveying, medical fluid is sprayed in the nozzle of jet pipe；Protective cover is set to outside jet pipe, forms air-supply passage between protective cover and jet pipe, and protective cover is in jet pipe nozzle broken-line to form Venturi effect region, and protective cover end is equipped with electrostatic atomization component to carry out secondary-atomizing to medical fluid.
Description
Technical field
The utility model relates to field of plant protection machine, more particularly to the Venturi effect electrostatic for adapting to crops sprinkling
Spray head and pesticide spraying device.
Background technique
At present in crop pest control measure, the application of pesticide control is the most universal, especially in large-scale disease
Chemical pesticide effect is prominent in pest control, thus chemical pesticide control still occupies the principal status of public economy in plant protection field.In crop
Pesticide application in, mainly using air-assisted type spraying machine, spray bar type spraying machine and induction electrostatic spray machine.But wind is sent
The range difference opposite sex of the formula spraying machine due to different canopy layers height away from spray head is larger, uneven there are being administered on crops different height
And the phenomenon that higher plant is not sprayed；For spray bar type spraying machine since spraying penetrability is poor, it is uneven that there are crops both inner and outer cures
The problem of, it results in waste of resources；Induction electrostatic spray machine electrification is insufficient, initial velocity is small, is leaning on most of mist droplet deposition
On the target of nearly spray head, spray effect is not only influenced, but also pollute the environment.
Therefore develop it is a kind of adapt to crops sprinkling Venturi effect static nozzle be necessary.
Utility model content
A kind of venturi effect for adapting to crops sprinkling that in order to overcome the deficiencies of the prior art, the utility model provides
Static nozzle is answered, using two kinds of charging modes of Venturi effect combination induction charging and corona charging, makes droplet sufficiently charged
On the basis of obtain higher initial velocity, and then mist droplet deposition efficiency improves, droplet drift is scattered and disappeared reduces, ecological environment is changed
It is kind；And wind-force can make droplet obtain enough initial velocity when doing directed movement again under Venturi effect, to make droplet
Conveying distance greatly promote.
A kind of concrete scheme for the Venturi effect static nozzle adapting to crops sprinkling is as follows:
A kind of Venturi effect static nozzle adapting to crops sprinkling, comprising:
Jet pipe of the inside for medical fluid conveying, medical fluid are sprayed in the nozzle of jet pipe, and spout is variable diameter spout；
Protective cover is set to outside jet pipe, forms air-supply passage between protective cover and jet pipe, protective cover is in jet pipe nozzle
Diameter mutation is to form Venturi effect region, and protective cover end is equipped with electrostatic atomization component to carry out secondary-atomizing to medical fluid.
Entire spray head, jet pipe is for conveying medical fluid and being sprayed by spout, so that medical fluid completes primary atomization, wind-force passes through
Air-supply passage reaches at mutation, is combined by gas herein and the droplet sprayed with spout in Venturi effect region, so that
The droplet of atomization obtains certain initial acceleration, and further droplet is sufficiently charged under the action of electrostatic atomization component, in turn
It is mutually exclusive under like charges to make droplet, to realize secondary-atomizing.
Further, the outer diameter of jet pipe side at protective cover mutation be greater than the other side outer diameter with
Air supply velocity is improved, because air-supply passage narrows.
Further, nozzle is arranged in the jet pipe nozzle, and the caliber of nozzle interior inlet is greater than the caliber in exit,
To improve the speed of medical fluid by Venturi effect, and nozzle-end setting step, to support nozzle, nozzle and spout threads connect
It connects, the circumferential same setting step of nozzle, back of the body cap is set to the circumferential direction of nozzle, and O-ring is arranged at nozzle to mention for installing at step
The outlet end of high sealing performance, the nozzle is set at the protective cover mutation.
Further, the protective cover includes first segment, mutation section and second segment, and first segment is set to the circumferential direction of the jet pipe
For cylinder-shaped protective cover, second segment is the conical protective cover connecting with first segment, mutation section be set to first segment and second segment it
Between.
Further, internal diameter of the protective cover mutation section from first segment to second segment is first gradually reduced is gradually increased afterwards,
The internal diameter that nozzle-end is set to mutation section reduces section, and being mutated intersegmental part is smooth curved surface.
Further, the electrostatic atomization component includes the induction electrode set on the conical protective cover side wall.
Further, electrostatic atomization component further includes the acusector that one end is connect with the induction electrode；Acusector be equipped with it is multiple,
Multiple acusectors are evenly arranged in the induction electrode, and induction electrode and acusector are connect with power-supply device, droplet can be made dual
It is sufficiently charged under band electro ultrafiltration.
Further, partition is equipped in the air-supply passage, it is logical that the setting of partition center is used for the jet pipe passes through first
Hole, the side of partition first through hole are equipped with several the second through-holes for defeated wind, and the second through-hole transversal cross-section is fan shape.
Further, pipe cap is arranged in the protective cover end, and pipe cap side is provided with air inlet, air inlet setting air inlet
The length direction of pipe, the setting direction of air inlet and the jet pipe is mutually perpendicular to or is arranged in set angle；
The prominent pipe cap setting in the end of the jet pipe, pipe cap is nonmetallic materials, prevents leaky；Pipe cap
It is connected through a screw thread with cylinder-shaped protective cover；Sealing ring is housed at pipe cap and jet pipe cooperation, predominantly prevents the gas of input from going out
Now leak outside phenomenon.
For overcome the deficiencies in the prior art, the utility model additionally provides a kind of pesticide spraying device, using described
A kind of Venturi effect static nozzle adapting to crops sprinkling.
Compared with prior art, the utility model has the beneficial effects that
1) the utility model is first formed by nozzle tungsten alloys by droplet, then passes through conical induction electrode and circular cone
Acusector on shape induction electrode charges droplet, and droplet further charges under electric field force effect, realizes secondary-atomizing, can more fit
Answer crops spraying operation, application more uniform.
2) the utility model droplet makes drop obtain initial velocity under the wind-force effect that the air-supply passage of Venturi effect is sent
Degree, so that the conveying distance of droplet be made to greatly promote.
3) the utility model obtains negative electrical charge in nozzle by droplet, when negatively charged droplet reaches plant, plant
Surface induction goes out the polarity charge opposite with electrode, and then positive charge is transferred to plant surface, and negative electrical charge is transferred to plant root,
Droplet is set to be firmly attached to plant surface according to the principle that there is a natural attraction between the sexes, mist droplet deposition efficiency, which improves, droplet drift is scattered and disappeared is reduced,
Ecological environment is improved.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the schematic front view of the utility model Venturi effect static nozzle；
Fig. 2 is the perspective view of the explosion of the utility model Venturi effect static nozzle；
Fig. 3 is the diagrammatic cross-section of the utility model Venturi effect static nozzle；
Fig. 4 is clapboard parts figure；
Fig. 5 is technology needs of pipe cap parts figure；
Fig. 6 is the schematic diagram of Venturi effect static nozzle；
Fig. 7 is crops charge process schematic diagram；
Wherein: 1. acusectors, 2. induction electrodes, 3. conical protective covers, 4. cylinder-shaped protective covers, 5. nozzles, 6. back of the body cap,
7.O type circle, 8. partitions, 9. sealing rings, 10. pipe caps, 11. jet pipes, 12. conducting wires, 13. HV generators, 14. venturi effect
Answer region, 15. air-supply passages, 16. blast pipes, 17. medical fluid conveyance conduits, 18. spray heads, 19. droplets, 20. plant, 21. soil.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen
It please propose a kind of Venturi effect static nozzle for adapting to crops sprinkling.
In a kind of typical embodiment of the application, as shown in Figure 1-Figure 3, a kind of literary mound adapting to crops sprinkling
In effect static nozzle, including the internal jet pipe 11 for medical fluid conveying, medical fluid is sprayed in the nozzle of jet pipe 11, and spout is to become
Diameter spout；Protective cover is set to outside jet pipe 11, and air-supply passage 15 is formed between protective cover and jet pipe 11, and protective cover is sprayed in jet pipe
Broken-line is at mouthful to form Venturi effect region 14, and protective cover end is equipped with electrostatic atomization component to carry out two to medical fluid
Secondary atomization.
Entire spray head, jet pipe 11 is for conveying medical fluid and being sprayed by spout, so that medical fluid completes primary atomization, wind-force is logical
It crosses air-supply passage 15 to reach at the mutation of protective cover, by gas herein and the droplet sprayed with spout in Venturi effect area
Domain 14 combines, so that the droplet of atomization obtains certain initial acceleration, further droplet is under the action of electrostatic atomization component
It is sufficiently charged, and then it is mutually exclusive under like charges to make droplet, to realize secondary-atomizing.
The side outer diameter at mutation of jet pipe 11 is greater than the outer diameter of the other side to improve air supply velocity, main mesh
Be to form Venturi effect air-supply passage 15.Nozzle 5 is arranged in 11 nozzle of jet pipe, and nozzle 5 and jet pipe 11 pass through screw thread
It assembles, the caliber at 5 interior inlet of nozzle is greater than the caliber in exit, and 11 end of jet pipe setting step is sprayed with supporting nozzle 5
Mouth 5 is connect with spout threads, and the circumferential same setting step of nozzle 5, back of the body cap 6 is set to the circumferential direction of nozzle 5, and back of the body cap 6 passes through with nozzle 5
It is threadedly coupled, for installing the O-ring 7 of rubber material is set to improve sealing performance at nozzle at 11 step of jet pipe.
Wherein, the caliber at 5 interior inlet of nozzle is greater than the caliber in exit, and 5 outlet end of nozzle protrudes from jet pipe setting,
In inlet in the case where gas pressure, flow velocity and certain flow, according to Bernoulli equation
p1It is the pressure of air input；
p2It is the air pressure at most narrow section of Venturi effect pipe (the mutation most narrow place of section)；
r1It is air severe；
u1It is the speed of air-in；
u2It is most narrow section of Venturi effect pipe of air velocity；
G acceleration of gravity is about 9.8m/s2。
By calculating, respective streams speed to be obtained can set corresponding jet expansion caliber.
Protective cover includes first segment, mutation section and second segment, and the circumferential direction that first segment is set to jet pipe is cylinder-shaped protective cover 4,
Second segment is the conical protective cover 3 connecting with first segment, and mutation section is set between first segment and second segment.Protective cover is mutated section
Internal diameter from first segment to second segment is first gradually reduced to be gradually increased afterwards, and the internal diameter that nozzle-end is set to mutation section reduces section, because
The increase of protective cover inner diameter forms Venturi effect region, and mutation intersegmental part is smooth curved surface, and the air that will be conveyed is smooth
Into Venturi effect region 14, and the outlet end of nozzle 5 is set at mutation section.Cylinder-shaped protective cover 4 is made of insulating materials,
Conical protective cover 3 is equally made of insulating materials.
Electrostatic atomization component includes the induction electrode 2 set on conical protective cover side wall, and such induction electrode 2 is similarly round
Cone cell.Electrostatic atomization component further includes the acusector 1 that one end is connect with conical protective cover 3；Acusector 1 is equipped with multiple, multiple acusectors 1
It is evenly arranged in the induction electrode 2, induction electrode 2 and acusector 1 are connect by conducting wire 12 with power-supply device 13 respectively, power supply
Equipment 13 is electrostatic generator, and another conducting wire 12 is connected with nozzle 5, and droplet can be made sufficiently charged under dual band electro ultrafiltration,
With acusector 1 by being welded together, induction electrode 2 and conical protective cover 3 bond together induction electrode 2.
When work, electrostatic generator is connected, is closed a switch, electrostatic generator is started to work, and induction electrode and acusector are in negative
High pressure.Fluid under pressure enters nozzle 5 by jet pipe 11, and at nozzle, since the sectional area of infusion channel becomes smaller, flow velocity increases greatly
The head of height, i.e. part is converted into velocity head, and when from spray orifice high speed ejection, liquid is in internal and external pressure difference and air impact power
Under effect, rupture is atomized into mist drop.In induction electrode 2, since droplet is conductor, in addition the effect of high direct voltage, induction
Electrode and droplet constitute access, have electric current to pass through, so charge identical with induction electrode on droplet band.Meanwhile acusector 1 generates
It is enough the internal field for ionizing surrounding air, forms cation and anion, cation tends to acusector 1 and is neutralized, anion
The droplet passed through is taken away.The droplet that sensed electrode 2 and acusector 1 charge, the identical charge of band top electrode, i.e. negative electrical charge, by
Repulsive interaction between droplet surface charge, while being influenced by Rayleigh limit, droplet continues to divide, and further refines.It is spraying
Under electrostatic field between mouth 5 and target 20, droplet has certain taxis, runs to target.
Partition 8, the first through hole that the setting of 8 center of partition is passed through for jet pipe 11, partition first are equipped in air-supply passage 15
The side of through-hole is equipped with several the second through-holes for defeated wind, and the second through-hole transversal cross-section is fan shape, partition 8 and jet pipe 11
It threadedly assembles, as shown in Figure 4.
Pipe cap 10 is arranged in protective cover end, as shown in figure 5,10 side of pipe cap is provided with air inlet, air inlet setting air inlet
Pipe 16, the setting direction of air inlet and the length direction of jet pipe 11 are mutually perpendicular to or are arranged in set angle, blast pipe and blower
Connection provides wind-force support；
The prominent pipe cap setting in the end of jet pipe 11, pipe cap 10 is nonmetallic materials, prevents leaky；Pipe cap and circle
Tubular protective cover is connected through a screw thread；The sealing ring 9 of rubber material is housed at pipe cap 10 and jet pipe cooperation, predominantly prevents from inputting
Gas occur leakage phenomenon.
For overcome the deficiencies in the prior art, the utility model additionally provides a kind of pesticide spraying device, using described
A kind of Venturi effect static nozzle adapting to crops sprinkling, medical fluid supply part are connect with 11 end of jet pipe with feed flow.
As shown in fig. 7, droplet obtains negative electrical charge in nozzle, and when negatively charged droplet 19 reaches plant 20, plant table
Face induces the polarity charge opposite with electrode, and then positive charge is transferred to plant surface, and negative electrical charge is transferred in soil 21
Plant root makes droplet be firmly attached to plant surface according to the principle that there is a natural attraction between the sexes.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of Venturi effect static nozzle for adapting to crops sprinkling characterized by comprising
Jet pipe of the inside for medical fluid conveying, medical fluid are sprayed in the nozzle of jet pipe, and spout is variable diameter spout；
Protective cover is set to outside jet pipe, and air-supply passage is formed between protective cover and jet pipe, and protective cover is prominent in jet pipe nozzle internal diameter
Become to form Venturi effect region, and protective cover end is equipped with electrostatic atomization component to carry out secondary-atomizing to medical fluid.
2. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 1, which is characterized in that
The outer diameter of jet pipe side at protective cover mutation is greater than the outer diameter of the other side to improve air supply velocity.
3. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 1, which is characterized in that
Nozzle is arranged in the jet pipe nozzle, and the caliber of nozzle interior inlet is greater than the caliber in exit, and nozzle-end setting table
To support nozzle, nozzle is connect rank with spout threads, and the circumferential same setting step of nozzle, back of the body cap is set to the circumferential direction of nozzle；
The outlet end of the nozzle is set at the protective cover mutation.
4. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 1, which is characterized in that
The protective cover includes first segment, mutation section and second segment, and the circumferential direction that first segment is set to the jet pipe is cylinder-shaped protective cover, the
The conical protective cover of two Duan Weiyu first segments connection, mutation section are set between first segment and second segment.
5. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 4, which is characterized in that
The electrostatic atomization component includes the induction electrode set on the conical protective cover side wall.
6. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 5, which is characterized in that
The electrostatic atomization component further includes the acusector that one end is connect with the induction electrode；Acusector be equipped with it is multiple, multiple acusectors are uniform
It is arranged in the induction electrode.
7. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 1, which is characterized in that
Partition is equipped in the air-supply passage, the setting of partition center is used for the first through hole that the jet pipe passes through, partition first through hole
Side is equipped with several the second through-holes for defeated wind.
8. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 1, which is characterized in that
Pipe cap is arranged in the protective cover end, and pipe cap side is provided with air inlet, the length side of the setting direction of air inlet and the jet pipe
To be mutually perpendicular to or in set angle be arranged；
The prominent pipe cap setting in the end of the jet pipe.
9. a kind of Venturi effect static nozzle for adapting to crops sprinkling according to claim 4, which is characterized in that
Internal diameter of the protective cover mutation section from first segment to second segment is first gradually reduced to be gradually increased afterwards, and is mutated section rounding off.
10. a kind of pesticide spraying device, which is characterized in that adapt to agriculture using one kind of any of claims 1-9
The Venturi effect static nozzle of crop sprinkling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149983.1U CN209334001U (en) | 2018-12-19 | 2018-12-19 | Adapt to the Venturi effect static nozzle and pesticide spraying device of crops sprinkling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149983.1U CN209334001U (en) | 2018-12-19 | 2018-12-19 | Adapt to the Venturi effect static nozzle and pesticide spraying device of crops sprinkling |
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| CN209334001U true CN209334001U (en) | 2019-09-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395906A (en) * | 2018-12-19 | 2019-03-01 | 济南大学 | Adapt to the Venturi effect static nozzle and pesticide spraying device of crops sprinkling |
| CN113678807A (en) * | 2021-06-28 | 2021-11-23 | 浙江普莱得电器股份有限公司 | Pump body formula electrostatic atomization ware |
-
2018
- 2018-12-19 CN CN201822149983.1U patent/CN209334001U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395906A (en) * | 2018-12-19 | 2019-03-01 | 济南大学 | Adapt to the Venturi effect static nozzle and pesticide spraying device of crops sprinkling |
| CN113678807A (en) * | 2021-06-28 | 2021-11-23 | 浙江普莱得电器股份有限公司 | Pump body formula electrostatic atomization ware |
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