CN109699621A - A kind of pesticide-spraying device - Google Patents
A kind of pesticide-spraying device Download PDFInfo
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- CN109699621A CN109699621A CN201910133386.6A CN201910133386A CN109699621A CN 109699621 A CN109699621 A CN 109699621A CN 201910133386 A CN201910133386 A CN 201910133386A CN 109699621 A CN109699621 A CN 109699621A
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- Prior art keywords
- spool
- valve
- jet port
- atomization cylinder
- pesticide
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- 238000005507 spraying Methods 0.000 title claims abstract description 31
- 238000000889 atomisation Methods 0.000 claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 28
- 239000007921 spray Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 7
- 239000003814 drug Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000000575 pesticide Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- Nozzles (AREA)
Abstract
The invention discloses a kind of pesticide-spraying devices.It includes atomization cylinder, high pressure draught control device and Teat pipette, and the atomization cylinder is equipped with jet port, is equipped with closing in the atomization cylinder or opens the valve of the jet port, the atomization cylinder is externally provided with the valve positioner being connected with the valve；The atomization cylinder is equipped with feeding opening, and the feeding opening is equipped with gas-liquid mixed channel, and the high pressure draught control device and Teat pipette are connected with the gas-liquid mixed channel respectively.
Description
Technical field
The present invention relates to a kind of spraying systems, especially disclose a kind of pesticide-spraying device.
Background technique
With the fast development of agricultural and science and technology, agricultural is increasingly used with spraying device applies crops
Medicine and management.Common agriculture spraying device has hand spray device, electric spraying device, and hand spray device is usually by people
Work is operated, and spray area is small, is suitble to the crops in a small range；Electric spraying device is used with respect to hand spray device
Conveniently, spray area is larger, but with the continuous expansion of crops, electric spraying device is since the structure of itself limits, spray
The needs of Large Area of Crops can not be kept up with gradually by spilling range and function and effect also.
Application No. is the patent application of 201820345601.X, discloses a kind of fixed point based on agricultural production and spray on a large scale
Day with fog, main ejector principle are to be sprayed medical fluid by cannon spray head by the pressure of air compressor, and occurred by electrostatic
Device charges droplet, is adsorbed on drug on crop blade face, while using the fan unit allocation carry of spray, and passes through rotation bottom
Seat makes cannon spray head Omnidirectional rotation, to expand spread of spray；The sprayer is suitable for ground and makees closely to spray in face of crops, due to
Its mode for spreading spread of spray uses fan unit allocation, and range of scatter is limited, while will cause and spray uneven etc. ask
Topic.
The development of aeronautical technology, so that unmanned plane uses more and more in agricultural management, unmanned plane pesticide spray dress
It sets by development and application, its advantage is that spraying range is wide, can be applied to the crop of large area, reduce personnel labour, meanwhile, side
Mountain area, knob crop management.
But for from spraying principle, it is currently used for the structure that the spraying device of unmanned plane mostly uses spray head to be atomized,
The structure of common spraying device is usual are as follows: is added in pesticide solution by compressed air, is led to medical fluid by compressed air
Nozzle extrusion is crossed, formation is sprayed by spraying；Or after medical fluid is sucked out by high-pressure hydraulic pump, medical fluid is made to pass through pressure spray head
The drawbacks of aperture is atomized and is sprayed, pressure spray head is the smaller easy blocking fog-spray nozzle of fog outlet, and atomizing particle is big
In 50 microns, it is difficult floating and 360 degree of coverings is carried out to crop in the sky, so needing to be diluted with many water can just have
Effect increases dispersibility, because the very big reason of atomizing particle can be deposited to rapidly soil and pollute to soil.
Application No. is 201420642626.8 patent applications, disclose a kind of spray suitable for airplane spray pesticide
Head mainly includes medicine storing pot, compression gas tank, nozzle and atomizing cup, and the compression gas tank is built in medicine storing pot, passes through release
Medical fluid in medicine storing pot is discharged compression gas tank, is sprayed by nozzle and is atomized through atomizing cup, which is used for aircraft, sprays model
It encloses greatly, but it sprays principle still by the way of nozzle, still without solving, the liquor granule of atomizing cup atomization is biggish to be asked
Topic.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide a kind of atomizing particles not will cause
Jet port blocking, medical liquid atomizing particle is small, it is aerial to be suspended in, and slows down atomizing particle sinking speed and reduces to soil pollution
Pesticide-spraying device.
In order to achieve the above object, the technical scheme adopted by the invention is as follows: a kind of pesticide-spraying device, including atomization
Cylinder, high pressure draught control device and Teat pipette, the atomization cylinder are equipped with jet port, are equipped in the atomization cylinder and close or open institute
The valve of jet port is stated, the atomization cylinder is externally provided with the valve positioner being connected with the valve；The atomization cylinder be equipped with into
Medicine mouth, the feeding opening are equipped with gas-liquid mixed channel, and the high pressure draught control device and Teat pipette are mixed with the gas-liquid respectively
Channel is closed to be connected.
Further, the feeding opening is equipped with the first check valve, and the high pressure draught control device and the gas-liquid are mixed
It closes and is equipped with second one-way valve between channel.
Further, the valve includes spool, and the spool is closed or opened by way of rotation or linear slide
The jet port of the atomization cylinder.
Further, the pressure for the high pressure draught that the high pressure draught control device is conveyed to the atomization cylinder be 0.8~
1.2Mpa；The valve positioner is motor, preferably stepper motor or servo motor.
Further, the valve includes the first spool, transmission shaft, and first spool is in the tubular of front opening, institute
The side wall for stating the first spool is equipped with the valve openings matched with the jet port, and first spool is fixed on the transmission
On axis, one end of the transmission shaft is connected by rolling bearing with the front end of the atomization cylinder, the other end of the transmission shaft and
The valve positioner is connected.
Further, the back-end closure of first spool, the rear end of first spool by plane bearing with it is described
Atomization cylinder is connected.
Further, the valve includes the first electromagnet, iron ball, the second spool, first back-moving spring and the second electromagnetism
The front side of the jet port inside the atomization cylinder is arranged in iron, first electromagnet, and second electromagnet is arranged described
The rear side of jet port inside atomization cylinder, second spool are connected with one end of the first back-moving spring, and described first is multiple
The other end of position spring is fixed on the rear side of the jet port by the first spring fixed seat and is connected with second electromagnet；
For second spool when first back-moving spring is resetted positioned at the front side of the jet port, second spool resets bullet first
Positioned at the rear side of the jet port when spring compresses；The iron ball is between second spool and the first electromagnet；Described
Two spools are nonferromagnetic sealing piston；It is described include the first electromagnet, the second electromagnet is electrically connected with the valve positioner respectively
It connects.
Further, the valve includes third spool, spool push rod, push rod driving wheel, second back-moving spring and second
Spring fixed seat, the second back-moving spring are fixed on the jet port in the atomization cylinder by the second spring fixing seat
Front side, one end of the spool push rod are connected with the third spool, and the other end of the spool push rod is passed by the push rod
Driving wheel is connected with the valve positioner；The third spool is by sliding back and forth jet port described in opening and closing of fault.
Further, the valve includes the 4th spool and screw rod, and the screw rod is limited in the atomization cylinder, described
The center of 4th spool is connect with the screw flight, and one end of the screw rod is connected with the valve positioner, and the described 4th
Spool is moved left and right on the screw rod with jet port described in opening and closing of fault.
Further, the high pressure draught control device includes inflating pump, gas cylinder and gas pipeline, and the gas cylinder is equipped with
Pressure reducing valve, the inflating pump are connected by third check valve with the gas cylinder, the pressure reducing valve by solenoid valve with it is described defeated
Feed channel is connected, and the gas pipeline is connected with the gas-liquid mixed channel.
The control method of pesticide-spraying device of the present invention, includes the following steps:
(1) valve positioner controls the jet port that the valve closes the atomization cylinder, the high pressure draught control
Device to the atomization cylinder conveying high-pressure air-flow, meanwhile, the Teat pipette to the atomization cylinder convey medical fluid；
(2) when medical fluid reaches default conveying capacity, the Teat pipette is closed, it is rapid that the valve positioner controls the valve
Open the jet port of the atomization cylinder；Pressure abrupt release in the atomization cylinder, the medical fluid of atomization cylinder gas under discharge effect
Change and is sprayed from the jet port.
Wherein, the pressure for the high pressure draught that high pressure draught control device described in step (1) is conveyed to the atomization cylinder is
0.8~1.2Mpa, valve opening speed described in step (2) are 0.1~0.3 second, preferably 0.2 second.
The invention has the benefit that by high pressure draught control device and Teat pipette, by compressed air and the same fashionable dress of medical fluid
Enter in the high-pressure atomization cylinder of sealing, medical fluid molecule is sharply compressed inside narrow closed space, is then controlled by valve
Device fast speed belt movable valve opens the jet port of atomization cylinder, quick release air, at this point, medical fluid molecule can be because of abrupt release pressure
Power directly generates explosion, and intermolecular to lose stickiness and direct gasification reaches atomizing effect, the medical fluid being atomized can easily suspend
Around by operative goals, since atomizing effect is obtained by medical fluid direct gasification, atomizing particle is very small, and it is micro- to reach 2
Rice comes into full contact with, to reach fine during the decline of the medical fluid of atomization with operative goals hereinafter, sinking speed slows down significantly
Dispersion effect.
The problem of present invention is atomized without traditional nozzle and sprays, effectively prevent spray nozzle clogging, meanwhile, so that
The thinned water amount of medical fluid is less, and atomizing effect is better than the prior art, and the present invention is more succinct in structure, is easily achieved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is overall structure of the present invention.
Fig. 2 is the atomization cylinder of embodiment one and the structural schematic diagram of valve positioner.
Fig. 3 is the structural schematic diagram of the valve of embodiment one.
Structural schematic diagram when Fig. 4 is the closing of two valve of embodiment.
Structural schematic diagram when Fig. 5 is two valve opening of embodiment
Structural schematic diagram when Fig. 6 is the valve closing of embodiment three.
Structural schematic diagram when Fig. 7 is the valve opening of embodiment three.
Fig. 8 is the structural schematic diagram of the valve of example IV.
In figure: 1, atomization cylinder；
2, high pressure draught control device；201, inflating pump；202, gas cylinder；203, gas pipeline；204, pressure reducing valve；205,
Three check valves；206, solenoid valve；
3, Teat pipette；4, jet port；
5, valve；501, the first spool；502, transmission shaft；503, front opening；504, valve openings；505, the axis of rolling
It holds；506, plane bearing；
511, the first electromagnet；512, iron ball；513, the second spool；514, first back-moving spring；515, the second electromagnet；
516, the first spring fixed seat；
521, third spool；522, spool push rod；523, push rod driving wheel；524, second back-moving spring；525, the second bullet
Spring fixing seat；
531, the 4th spool；532, screw rod；
6, valve positioner；7, feeding opening；8, gas-liquid mixed channel；9, the first check valve；10, second one-way valve.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to guarantor of the present invention
The range of shield.
According to Fig. 1, one embodiment of the present invention provides a kind of pesticide-spraying device, including atomization cylinder 1, high pressure gas flow control
Device 2 and Teat pipette 3 processed, the atomization cylinder 1 are equipped with jet port 4, are equipped with closing in the atomization cylinder 1 or open the jet port
4 valve 5, the atomization cylinder 1 are externally provided with the valve positioner 6 being connected with the valve 5；The atomization cylinder 1 is equipped with into medicine
Mouthfuls 7, the feeding opening 7 is equipped with gas-liquid mixed channel 8, the high pressure draught control device 2 and Teat pipette 3 respectively with the gas-liquid
Hybrid channel 8 is connected.The feeding opening 7 is equipped with the first check valve 9, and the high pressure draught control device 2 and the gas-liquid are mixed
It closes and is equipped with second one-way valve 10 between channel 8.The valve 5 includes spool, and the spool passes through rotation or the side of linear slide
The jet port 4 of the atomization cylinder 1 is closed or opened to formula.The high pressure draught control device 2 includes inflating pump 201,202 and of gas cylinder
Gas pipeline 203, the gas cylinder 202 are equipped with pressure reducing valve 204, and the inflating pump 201 passes through third check valve 205 and the gas
Bottle 202 is connected, and the pressure reducing valve 204 is connected by solenoid valve 206 with the gas pipeline 203, and the gas pipeline 203 passes through
Second one-way valve 10 is connected with the gas-liquid mixed channel 8.The valve positioner 6 is motor, preferably stepper motor.
The control method of pesticide-spraying device of the present invention, steps are as follows:
The valve positioner 6 controls the jet port that the valve 5 closes the atomization cylinder 1, the high pressure draught control
Device 2 to the 1 conveying high-pressure air-flow of atomization cylinder, meanwhile, the Teat pipette 3 to the atomization cylinder 1 convey medical fluid；The high pressure gas
The pressure for the high pressure draught that flow control device 2 is conveyed to the atomization cylinder 1 is 0.8~1.2Mpa, preferably 1Mpa.
Detailed process of the high pressure draught control device 2 to the 1 conveying high-pressure air-flow of atomization cylinder are as follows: beaten by described
Air pump 201 is inflated to the gas cylinder 202, is prevented airflow reflux by the third check valve 205, is then passed through the pressure reducing valve
Air pressure is decompressed to 1mp by 204, and air-flow is conveyed through gas-liquid mixed channel by the gas pipeline 203 by solenoid valve 206
Enter after 8 and states atomization cylinder 1；Meanwhile medical fluid is delivered to gas-liquid mixed channel 8 by the Teat pipette 3, is prevented by second one-way valve 10
It is flowed to 203 direction of gas pipeline, until entering atomization cylinder 1.
(2) when medical fluid reaches default conveying capacity, the Teat pipette is closed, at this point, the medical fluid in atomization cylinder 1 is made in air pressure
It is compressed with lower；The valve positioner controls the jet port that the valve opens rapidly the atomization cylinder；In the atomization cylinder
Pressure abrupt release, the medical fluid of atomization cylinder gasifies under discharge effect and sprays from the jet port.The valve opening
Speed is 0.1~0.3 second, preferably 0.2 second.
Below according to specific embodiment, the present invention is further elaborated:
Embodiment one:
According to fig. 2, Fig. 3, in conjunction with Fig. 1, a kind of pesticide-spraying device of the present embodiment, including the control of atomization cylinder 1, high pressure draught
Device 2 and Teat pipette 3, the atomization cylinder 1 are equipped with jet port 4, are equipped with closing in the atomization cylinder 1 or open the jet port 4
Valve 5, the atomization cylinder 1 is externally provided with the valve positioner 6 being connected with the valve 5；The atomization cylinder 1 is equipped with feeding opening
7, the feeding opening 7 is equipped with gas-liquid mixed channel 8, and the high pressure draught control device 2 and Teat pipette 3 are mixed with the gas-liquid respectively
Channel 8 is closed to be connected.The feeding opening 7 is equipped with the first check valve 9, the high pressure draught control device 2 and the gas-liquid mixed
Second one-way valve 10 is equipped between channel 8.The valve 5 includes spool, and the spool is by way of rotation or linear slide
Close or open the jet port 4 of the atomization cylinder 1.The high pressure draught control device 2 includes inflating pump 201, gas cylinder 202 and defeated
Feed channel 203, the gas cylinder 202 are equipped with pressure reducing valve 204, and the inflating pump 201 passes through third check valve 205 and the gas cylinder
202 are connected, and the pressure reducing valve 204 is connected by solenoid valve 206 with the gas pipeline 203, and the gas pipeline 203 passes through the
Two check valves 10 are connected with the gas-liquid mixed channel 8.The height that the high pressure draught control device 2 is conveyed to the atomization cylinder 1
The pressure of pressure gas stream is 0.8~1.2Mpa, preferably 1Mpa.
The valve 5 includes the first spool 501, transmission shaft 502, and first spool 501 is cylindrical in shape, first spool
501 front end is equipped with front opening 503, and the front opening 503 is waist through hole or circular through hole, the front opening 503
So that air in first spool 501 and the air communication in atomization cylinder 1, to reach balance；First spool 501
Side wall is equipped with the valve openings 504 matched with the jet port 4, and the middle part of first spool 501 is fixed on the biography
On moving axis 502, one end of the transmission shaft 502 is connected by rolling bearing 505 with the front end of the atomization cylinder 1, the transmission
The other end of axis 502 is connected with the valve positioner 6.The back-end closure of first spool 502, first spool 502
Rear end be connected with the atomization cylinder 1 by plane bearing 506.The valve positioner 6 is stepper motor.Opening jet port
When 4, the stepper motor drives the transmission shaft 502 to rotate, and the transmission shaft 502 drives first spool 501 to rotate, and makes
Valve openings 504 on first spool 501 are directed at the jet port 4, realize and open；It is described after the completion of herbal sprinkling
Stepper motor drives the transmission shaft 502 to rotate again, and the transmission shaft 502 drives first spool 501 to rotate, and makes described
Valve openings 504 on first spool 501 are staggered with the jet port 4, close the injection by the side wall of the first spool 501
Mouth 4.Remaining structure is for example above-mentioned.
Embodiment two:
According to Fig. 4, Fig. 5, in conjunction with Fig. 1, what is different from the first embodiment is that the valve 5 includes the first electromagnet 511, iron
Ball 512, the second spool 513, first back-moving spring 514 and the second electromagnet 515, first electromagnet 511 are arranged described
The jet port 4 inside the atomization cylinder 1 is arranged in the front side of jet port 4 inside atomization cylinder 1, second electromagnet 515
Rear side, second spool 513 are connected with one end of the first back-moving spring 514, the first back-moving spring 514 it is another
End is fixed on the rear side of the jet port 4 and is connected with second electromagnet 515 by the first spring fixed seat 516；It is described
Second spool 513 is when first back-moving spring is 514 multiple positioned at the front side of the jet port 4, and second spool 513 is first
Positioned at the rear side of the jet port 4 when reset spring 514 compresses；The iron ball 512 is located at second spool 513 and the first electricity
Between magnet 511；Second spool 513 is nonferromagnetic sealing piston；It is described to include the first electromagnet 511, the second electromagnet
515 are electrically connected with the valve positioner 6 respectively.Remaining structure is the same as embodiment one.
Front side described in the present embodiment is the left side of Fig. 4, Fig. 5 view, rear side described in corresponding the present embodiment, for figure
4, the right side of Fig. 5 view.
The main control process of the present embodiment is, when first electromagnet 511 is powered, the iron ball 512 is by the first electricity
Magnet 511 adsorbs, and the first back-moving spring multiple 514 is in reset state, and second spool 513 is in the first back-moving spring
It is located at front side, the closing jet port 4 of the jet port 4 under the action of multiple 514.When second electromagnet 515 is powered,
First electromagnet, 511 power loss, the iron ball 512 quickly move backward under the action of the second electromagnet 515 and hit described
Two spools 513 move backward second spool 513 and open the jet port 4.
Embodiment three:
According to Fig. 6, Fig. 7, what is different from the first embodiment is that the valve includes third spool 521, spool push rod 522, pushes away
Bar driving wheel 523, second back-moving spring 524 and second spring fixing seat 525, the second back-moving spring 524 pass through described the
Two spring fixed seats 525 are fixed on the front side of the jet port 4 in the atomization cylinder 1, one end of the spool push rod 522 with it is described
Third spool 521 is hinged, and the other end of the spool push rod 522 and the push rod driving wheel 523 are hinged, the push rod driving wheel
523 are connected with the valve positioner 6, and the valve positioner 6 is motor, and the output end of the motor and the push rod are driven
Wheel 523 is connected；The third spool 521 is by sliding back and forth jet port 4 described in opening and closing of fault.The same embodiment of remaining structure
One.
The main control process of the present embodiment are as follows: the valve positioner 6 controls the push rod driving wheel 523 and rotates, and leads to
Crossing the spool push rod 522 drives the third spool 521 to advance, before the third spool 521 is located at the jet port 4
When side, jet port 4 is closed, while third spool 521 compresses second back-moving spring 524；Second back-moving spring 524 is kept to press
Contracting state 6 power loss of valve positioner or continues that push rod driving wheel 523 is driven to rotate until when medical fluid reaches default conveying capacity,
When second back-moving spring 524 resets, 521 moment of third spool is pushed backward, opens the jet port 4.
Example IV:
According to Fig. 8, what is different from the first embodiment is that the valve includes the 4th spool 531 and screw rod 532, the screw rod
532 are limited in the atomization cylinder 1, and the center of the 4th spool 531 is threadedly coupled with the screw rod 532, the screw rod
532 one end is connected with the valve positioner 6, the 4th spool 531 moved left and right on the screw rod 532 with open or
Close the jet port 4.Remaining structure is the same as embodiment one.
This is busy by high pressure draught control device and Teat pipette, and compressed air and medical fluid are packed into the high pressure mist of sealing simultaneously
Change in cylinder, medical fluid molecule is sharply compressed inside narrow closed space, then passes through valve positioner fast speed belt movable valve
The jet port of atomization cylinder, quick release air are opened, at this point, medical fluid molecule can directly generate explosion because of abrupt release pressure,
Intermolecular to lose stickiness and direct gasification reaches atomizing effect, the medical fluid being atomized can be easily suspended in by the week of operative goals
It encloses, since atomizing effect is obtained by medical fluid direct gasification, atomizing particle is very small, reaches 2 microns hereinafter, sinking speed is big
Slow down greatly, is come into full contact with during the decline of the medical fluid of atomization with operative goals, to reach good dispersion effect.
The problem of present invention is atomized without traditional nozzle and sprays, effectively prevent spray nozzle clogging, meanwhile, so that
The thinned water amount of medical fluid is less, and atomizing effect is better than the prior art, and the present invention is more succinct in structure, is easily achieved.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as inventor the theme is not thought of as it is disclosed
A part of subject matter.
Claims (10)
1. a kind of pesticide-spraying device, it is characterised in that: including atomization cylinder, high pressure draught control device and Teat pipette, the atomization
Cylinder is equipped with jet port, is equipped with closing in the atomization cylinder or opens the valve of the jet port, the atomization cylinder be externally provided with
The connected valve positioner of the valve；The atomization cylinder is equipped with feeding opening, and the feeding opening is equipped with gas-liquid mixed channel,
The high pressure draught control device and Teat pipette are connected with the gas-liquid mixed channel respectively.
2. a kind of pesticide-spraying device according to claim 1, it is characterised in that: it is unidirectional that the feeding opening is equipped with first
Valve is equipped with second one-way valve between the high pressure draught control device and the gas-liquid mixed channel.
3. a kind of pesticide-spraying device according to claim 1, it is characterised in that: the valve includes spool, the valve
Core is closed or is opened the jet port of the atomization cylinder by way of rotation or linear slide.
4. a kind of pesticide-spraying device according to claim 1 or 2, it is characterised in that: the high pressure draught control device
The pressure of the high pressure draught conveyed to the atomization cylinder is 0.8~1.2Mpa；The valve positioner is motor.
5. a kind of pesticide-spraying device according to claim 1 or 3, it is characterised in that: the valve include the first spool,
Transmission shaft, first spool are in the tubular of front opening, and the side wall of first spool is equipped with to match with the jet port
The valve openings of conjunction, first spool are fixed on the transmission shaft, and one end of the transmission shaft passes through rolling bearing and institute
The front end for stating atomization cylinder is connected, and the other end of the transmission shaft is connected with the valve positioner.
6. a kind of pesticide-spraying device according to claim 5, it is characterised in that: the back-end closure of first spool,
The rear end of first spool is connected by plane bearing with the atomization cylinder.
7. a kind of pesticide-spraying device according to claim 1 or 3, it is characterised in that: the valve includes the first electromagnetism
Iron, iron ball, the second spool, first back-moving spring and the second electromagnet, first electromagnet are arranged inside the atomization cylinder
Jet port front side, the rear side of the jet port inside the atomization cylinder, second spool is arranged in second electromagnet
It is connected with one end of the first back-moving spring, the other end of the first back-moving spring is fixed on by the first spring fixed seat
The rear side of the jet port is simultaneously connected with second electromagnet；Second spool is located at institute when first back-moving spring resets
The front side of jet port is stated, second spool is in spring-compressed positioned at the rear side of the jet port；The iron ball is located at described
Between second spool and the first electromagnet；Second spool is nonferromagnetic sealing piston；It is described to include the first electromagnet, second
Electromagnet is electrically connected with the valve positioner respectively.
8. a kind of pesticide-spraying device according to claim 1 or 3, it is characterised in that: the valve include third spool,
Spool push rod, push rod driving wheel, second back-moving spring and second spring fixing seat, the second back-moving spring pass through described second
Spring fixed seat is fixed on the front side of the jet port in the atomization cylinder, one end of the spool push rod and the third spool phase
Even, the other end of the spool push rod is connected by the push rod driving wheel with the valve positioner；The third spool is logical
It crosses and slides back and forth jet port described in opening and closing of fault.
9. a kind of pesticide-spraying device according to claim 1 or 3, it is characterised in that: the valve includes the 4th spool
And screw rod, the screw rod are limited in the atomization cylinder, the center of the 4th spool is connect with the screw flight, described
One end of screw rod is connected with the valve positioner, and the 4th spool is moved left and right on the screw rod with opening and closing of fault institute
State jet port.
10. a kind of pesticide-spraying device according to claim 1 or 2, it is characterised in that: the high pressure draught control device
Including inflating pump, gas cylinder and gas pipeline, the gas cylinder be equipped with pressure reducing valve, the inflating pump by third check valve with it is described
Gas cylinder is connected, and the pressure reducing valve is connected by solenoid valve with the gas pipeline, and the gas pipeline and the gas-liquid mixed are logical
Road is connected.
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| CN201910133386.6A CN109699621A (en) | 2019-02-22 | 2019-02-22 | A kind of pesticide-spraying device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910133386.6A CN109699621A (en) | 2019-02-22 | 2019-02-22 | A kind of pesticide-spraying device |
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| CN109699621A true CN109699621A (en) | 2019-05-03 |
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| CN201910133386.6A Pending CN109699621A (en) | 2019-02-22 | 2019-02-22 | A kind of pesticide-spraying device |
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