CN208512824U - A kind of anti-drift pneumatic atomization spray head of online regulation mist droplet particle size - Google Patents
A kind of anti-drift pneumatic atomization spray head of online regulation mist droplet particle size Download PDFInfo
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- CN208512824U CN208512824U CN201820129144.0U CN201820129144U CN208512824U CN 208512824 U CN208512824 U CN 208512824U CN 201820129144 U CN201820129144 U CN 201820129144U CN 208512824 U CN208512824 U CN 208512824U
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- medical fluid
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- particle size
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- sprinkler body
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Abstract
The utility model relates to a kind of anti-drift pneumatic atomization spray heads of online regulation mist droplet particle size, including sprinkler body, fan-shaped atomized chamber；Sprinkler body is made of medical fluid diversion cavity, gas flow guiding chamber, electromagnetic flow valve, and medical fluid diversion cavity rear portion is connected with electromagnetic flow valve, and front is fan nozzle；Gas flow guiding chamber is conulite, is wrapped on the outside of medical fluid diversion cavity, and the round venthole that front has multiple air outlet angles different is distributed in around fan nozzle.The present invention is atomized medical fluid using cross stream using pneumatic atomization mode for the first time, and separately adjustable gas flow and medicinal liquid flow, the different gas-liquid mixed ratio of dynamic implement meet the anti-drift ability of droplet and penetration capacity demand；The pressure amplitude of the fan-shaped atomized endo-luminal ultrasound stationary field of on-line control simultaneously carries out ultrasonic secondary-atomizing to droplet, realizes online dynamic regulation mist droplet particle size, improves atomization uniformity.
Description
Technical field
The utility model relates to plant protection spray technique fields, more particularly to a kind of anti-drift gas of online regulation mist droplet particle size
Power atomizer.
Background technique
During agricultural plant protection spray pesticide, atomizer is the workpiece for generating atomized drop, determines atomization
Effect has a direct impact final pesticide supplying effect.Existing plant protection atomizer mostly uses pressure atomization principle, and structural parameters are
Fixed, the particle size range for generating droplet is relatively fixed, be difficult according to the change of manipulating object or the variation of crop situation and
On-line tuning mist droplet particle size spectrum.Meanwhile although fine mist has good deposition uniformity, but its anti-drift ability is poor,
Technological means should be taken to be reinforced, avoid the drift losses of droplet.
Find that Chinese invention patent " a kind of multi gear spray head ", number of patent application 201610838078.X is disclosed through retrieval
A kind of multi gear spray head of flange disc spins gating structure, ring flange drives nozzle rotation when being unscrewed using nut, realizes different sprays
The switching of mouth.The invention is substantially the combination of multiple pressure atomized fog jets, can only be gated offline, still former using pressure atomization
Reason can not fundamentally solve mist droplet particle size existing for pressure atomization spray head itself and compose wider, particle diameter distribution unevenly, for a long time
Spray orifice is worn the problems such as thicker atomizing effect is deteriorated by medical fluid after work.A kind of patent of invention " gas-liquid two-phase second level atomization spray
Head ", number of patent application 201610913406.8 discloses a kind of spray nozzle device of gas-liquid two-phase second level mixed aerosol, using entering
Stream of emanating realizes preferable atomizing effect；It generates local decompression using incident air flow and medical fluid is sucked mixing chamber, air-flow and medicine
There are close coupling relationships between liquid, can not effectively control gas-liquid mixed ratio.Although being furnished with adjustable aperture at mixing chamber front end exit
Flow-limiting valve, however it uses offline substitute mode and its flow for substantially adjusting gas-liquid mixture fluid, not independent control
Medicinal liquid flow.Chinese invention patent " a kind of pneumatic nebulization spray head that can adjust atomizing particle size ", number of patent application
201610820858.1, it discloses a kind of pass through in chemical production field and changes the big minor adjustment atomizing particle size in nozzle gas outlet
Spray nozzle device and control method.The patent adjusts gas outlet size by handwheel and changes mist also with pneumatic nebulization principle
Change granular size, air-flow and medical fluid equally exist close coupling relationship, also do not have on-line control ability；The spray head is for change simultaneously
The design of work production field, structure is complex, is unsuitable for crop field plant protection operation field.
To sum up, at present although there is some pneumatic nebulization spray heads or the atomization of gas-liquid two-phase second level in plant protection spray pesticide field
Spray head has the anti-drift ability of certain atomizing effect and droplet, but still lack one kind can on-line control mist droplet particle size spectrum, mist
Drop partial size is small and is evenly distributed, and air-flow and medical fluid independently can regulate and control to realize the atomizer of different gas-liquid mixed ratios.
Summary of the invention
The utility model be intended to the prior art and method there are the problem of, propose that a kind of online regulation the anti-of mist droplet particle size is floatd
Move pneumatic atomization spray head, using pneumatic nebulization principle realize no pressure medical fluid first atomization, and at the inlet of spray head rear
Electromagnetic flow valve match, air-flow and medical fluid independently regulate and control to realize different gas-liquid mixed ratios, meet different operating environment
The anti-drift demand of droplet；Simultaneously using ultrasonic standing wave field to the droplet in the gas-liquid mixture fluid of initial atomization carry out screening and
Secondary-atomizing, On-line Control mist droplet particle size spectrum, improves particle size uniformity, meets the optimum grain-diameter demand of Different Crop, raising is applied
Medicine quality and control efficiency.
The anti-drift pneumatic atomization spray head that the utility model regulates and controls mist droplet particle size online is adopted the following technical scheme that including spray
Body, fan-shaped atomized chamber.
The sprinkler body is made of medical fluid diversion cavity, gas flow guiding chamber, electromagnetic flow valve；The medical fluid diversion cavity is located at sprinkler body
Axis, rear portion are connected with the electromagnetic flow valve, and cavity front is fan nozzle；The gas flow guiding chamber is a conulite,
It is wrapped on the outside of medical fluid diversion cavity, there is an airflow inlet at rear portion, and cavity front is the different round venthole of outlet angle；It is described
Gas flow guiding cavity wall is built-in with signal wire and fast plug, can transmit external voltage pumping signal；The electromagnetic flow valve is in
Sprinkler body rear portion can flow into the medicinal liquid flow of diversion cavity with on-line tuning.
The fan nozzle is located at the sprinkler body front, and 8 round ventholes are distributed with around fan nozzle, are divided into two
Group: one group is symmetrically distributed with 6 round ventholes in fan nozzle covering of the fan two sides, and outgassing direction and sprinkler body central axes angle be-
30 °, the intersection high-speed flow that two sides circle venthole sprays air gap in front of nozzle generates negative pressure to will be without pressing liquid from leading
It flows chamber to be sucked out, 6 strands of cross streams improve local turbulence intensity simultaneously, are atomized for the first time to medical fluid is sucked out；One group sprays in sector
Mouth sector angle two sides are symmetrically distributed with 2 round ventholes, and outgassing direction and sprinkler body central axes angle are 60 °, and guidance gas-liquid is mixed
Collaborate body and form 120 ° of atomizing angles, is conducive to improve spray head spraying swath；It can real-time monitoring by on-line control gas flow guiding cavity pressure
The circle venthole air flow rate.
The fan-shaped atomized chamber is connected with the front of the sprinkler body, and 120 ° of sector angle, lower fan-shaped inner wall is fixed respectively thereon
Have piezoelectric ceramic piece and reflection end face, piezoelectric ceramic piece issue ultrasonic wave be superimposed after reflect end face reflection with original waveform thus
Ultrasonic standing wave field is formed in atomization chamber, can carry out screening secondary-atomizing to the medical fluid being atomized for the first time；Change piezoelectric ceramic piece institute
Received voltage excitation signals on-line control ultrasonic standing wave pressure amplitude, can dynamic regulation mist droplet particle size.
Compared with prior art, the utility model has the advantages that
1, reduce equipment weight bearing and power consumption without equipment such as diaphragm pumps using no pressing liquid, reduce dispenser cost,
Improve work tool reliability；
2, independent online regulation medicinal liquid flow and gas flow and flow velocity, meet different gas-liquid mixed ratios and anti-drift need
It asks, is suitable for different operating environment and application object；
3, pneumatic atomization and ultrasonic atomization combine, and enhance atomizing effect, online to adjust ultrasonic amplitude, dynamic in real time
Regulate and control mist droplet particle size, reduces mist droplet particle size spectrum, meet the biological optimum grain-diameter demand of Different Crop.
Detailed description of the invention
Fig. 1 is the front view of the anti-drift pneumatic atomization spray head of the utility model；
Fig. 2 is the sectional view of the anti-drift pneumatic atomization spray head of the utility model；
Fig. 3 is the nozzle and venthole partial, detailed view of the anti-drift pneumatic atomization spray head of the utility model；
Fig. 4 is the side view of the anti-drift pneumatic atomization spray head of the utility model；
In figure: 1. fan-shaped atomized 2. piezoelectric ceramic piece 3-1. sector angle venthole 3-2. covering of the fan two sides ventholes 4. of chamber
The fast plug of 9. medical fluid import of gas flow guiding chamber 5. medical fluid diversion cavity, 6. airflow inlet, 7. sprinkler body, 8. electromagnetic flow valve 10.
11. 12. fan nozzle 13. of signal wire reflects end face
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
The utility model regulates and controls the anti-drift pneumatic atomization spray head of mist droplet particle size online, and structure as shown in figures 1-4, is sprayed
Head includes sprinkler body 7, fan-shaped atomized chamber 1.The sprinkler body 7 is made of gas flow guiding chamber 4, medical fluid diversion cavity 5, electromagnetic flow valve 8；Institute
It states medical fluid diversion cavity 5 and is located at sprinkler body axis, rear portion is connected with the electromagnetic flow valve 8, and cavity front is fan nozzle 12；It is described
Gas flow guiding chamber 4 is a conulite, is wrapped in 5 outside of medical fluid diversion cavity, there are an airflow inlet 6, cavity front in rear portion
For outlet angle different two groups of circle ventholes 3-1,3-2；4 cavity wall of gas flow guiding chamber is built-in with signal wire 11 and fast
Plug 10 can transmit external voltage pumping signal；The electromagnetic flow valve 8 is in sprinkler body rear portion, can pass through on-line control
The control of electromagnetism valve opening flows into the medicinal liquid flow of the medical fluid diversion cavity 5.
The fan nozzle 12 is located at 7 front of sprinkler body, and 8 round ventholes are distributed with around fan nozzle 12, point
3 round venthole 3-2 are respectively distributed in fan nozzle covering of the fan two sides for two groups: one groups, totally 6, in outgassing direction and sprinkler body
Axis angle is -30 °, and the high-speed flow that two sides circle venthole sprays intersects in front of nozzle, makes to produce at jet expansion air gap
For raw negative pressure to be sucked out without pressing liquid from medical fluid diversion cavity 5,6 strands of cross streams improve local turbulence intensity simultaneously, will inhale
Medical fluid is atomized for the first time out；One group respectively has 1 round venthole 3-1 in fan nozzle sector angle two sides, and totally 2, outlet side
To being 60 ° with sprinkler body central axes angle, guidance gas-liquid mixture fluid forms 120 ° of atomizing angles, is conducive to improve spray head spraying swath；Institute
The air flow rate for stating round venthole 3 can be regulated and controled by 4 pressure real-time perfoming of on-line control gas flow guiding chamber.
The fan-shaped atomized chamber 1 is connected with the front of the sprinkler body 7, and 120 ° of sector angle, lower fan-shaped inner wall is solid respectively thereon
Surely there are the piezoelectric ceramic piece 2 and the reflection end face 13, piezoelectric ceramic piece 2 receives external voltage pumping signal and issues ultrasound
Wave, ultrasonic wave are superimposed after reflection end face 13 is reflected with original waveform to form ultrasonic standing wave field inside fan-shaped atomized chamber 1, can
Screening secondary-atomizing is carried out to the medical fluid being atomized for the first time；Changing the 2 received voltage excitation signals of institute of piezoelectric ceramic piece can adjust online
Ultrasonic standing wave pressure amplitude is saved, thus dynamic regulation mist droplet particle size.
Claims (2)
1. a kind of online anti-drift pneumatic atomization spray head of regulation mist droplet particle size, which is characterized in that including sprinkler body, fan-shaped atomized
Chamber；
The sprinkler body is made of medical fluid diversion cavity, gas flow guiding chamber, electromagnetic flow valve；Medical fluid diversion cavity rear portion and the electricity
Magnetic flow valve is connected, and cavity front is fan nozzle；The gas flow guiding chamber cavity front is that the different circle of outlet angle goes out
Stomata；
The fan nozzle is located at the sprinkler body front, and 8 round ventholes are distributed with around fan nozzle, are divided into two groups: one
The cross stream that the group 6 round ventholes symmetrical in fan nozzle covering of the fan two sides spray air gap in front of nozzle generates negative
Medical fluid is sucked out pressure from diversion cavity, carries out medical fluid and is atomized for the first time；One group is symmetrically distributed with 2 circles in fan nozzle sector angle two sides
Shape venthole, export direction and sprinkler body central axes angle are 60 °, are conducive to improve spray head spraying swath；
The fan-shaped atomized cavity wall is respectively fixed with piezoelectric ceramic piece and reflection end face, and piezoelectric ceramic piece receives external signal hair
Ultrasonic wave out is superimposed to form ultrasonic standing wave field in atomization chamber after reflection with original waveform.
2. a kind of anti-drift pneumatic atomization spray head of online regulation mist droplet particle size according to claim 1, it is characterised in that:
The electromagnetic flow valve can flow into the medicinal liquid flow of medical fluid diversion cavity with on-line tuning；Pass through on-line control gas flow guiding cavity pressure
It can circle venthole air flow rate described in real-time monitoring；It is super to change the received voltage excitation signals on-line control of piezoelectric ceramic piece institute
Sound standing wave pressure amplitude, can dynamic regulation mist droplet particle size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129144.0U CN208512824U (en) | 2018-01-25 | 2018-01-25 | A kind of anti-drift pneumatic atomization spray head of online regulation mist droplet particle size |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129144.0U CN208512824U (en) | 2018-01-25 | 2018-01-25 | A kind of anti-drift pneumatic atomization spray head of online regulation mist droplet particle size |
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| Publication Number | Publication Date |
|---|---|
| CN208512824U true CN208512824U (en) | 2019-02-19 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820129144.0U Expired - Fee Related CN208512824U (en) | 2018-01-25 | 2018-01-25 | A kind of anti-drift pneumatic atomization spray head of online regulation mist droplet particle size |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759270A (en) * | 2019-03-11 | 2019-05-17 | 上海景水环境科技有限公司 | A kind of multidimensional spray head conversion equipment |
| CN110721840A (en) * | 2019-09-16 | 2020-01-24 | 重庆市三叶家具有限责任公司 | Solid wood furniture processing production line |
| CN110779836A (en) * | 2019-12-02 | 2020-02-11 | 中国科学院长春光学精密机械与物理研究所 | Atomized particle size testing equipment and method |
| CN111956931A (en) * | 2020-08-05 | 2020-11-20 | 合肥中科力一科技有限公司 | Atomizing medicine feeding device integrated in breathing machine pipeline |
| CN112044614A (en) * | 2020-09-14 | 2020-12-08 | 侯佃生 | Air vortex leading-in type mixed gas spray head |
| CN112916859A (en) * | 2021-01-29 | 2021-06-08 | 上海电气集团股份有限公司 | Atomizing nozzle and gas atomization powder manufacturing equipment |
| CN115870117A (en) * | 2023-02-07 | 2023-03-31 | 山东浩纳新材料科技集团有限公司 | Novel spray nozzle |
-
2018
- 2018-01-25 CN CN201820129144.0U patent/CN208512824U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759270A (en) * | 2019-03-11 | 2019-05-17 | 上海景水环境科技有限公司 | A kind of multidimensional spray head conversion equipment |
| CN109759270B (en) * | 2019-03-11 | 2024-02-23 | 上海景水环境科技有限公司 | Multidimensional spray head conversion device |
| CN110721840A (en) * | 2019-09-16 | 2020-01-24 | 重庆市三叶家具有限责任公司 | Solid wood furniture processing production line |
| CN110779836A (en) * | 2019-12-02 | 2020-02-11 | 中国科学院长春光学精密机械与物理研究所 | Atomized particle size testing equipment and method |
| CN111956931A (en) * | 2020-08-05 | 2020-11-20 | 合肥中科力一科技有限公司 | Atomizing medicine feeding device integrated in breathing machine pipeline |
| CN112044614A (en) * | 2020-09-14 | 2020-12-08 | 侯佃生 | Air vortex leading-in type mixed gas spray head |
| CN112916859A (en) * | 2021-01-29 | 2021-06-08 | 上海电气集团股份有限公司 | Atomizing nozzle and gas atomization powder manufacturing equipment |
| CN112916859B (en) * | 2021-01-29 | 2022-08-02 | 上海电气集团股份有限公司 | Atomizing nozzle and gas atomization powder manufacturing equipment |
| CN115870117A (en) * | 2023-02-07 | 2023-03-31 | 山东浩纳新材料科技集团有限公司 | Novel spray nozzle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |