CN215012936U - Air-assisted low-spraying-amount spraying machine for spraying pesticides on greenhouse crops - Google Patents

Abstract

The utility model relates to an spraying equipment field specifically is a low volume sprayer of spouting of air-assisted for greenhouse crop pesticide sprays, including the spray tank, the spray tank has set firmly electric box and pipeline assembly, the pipeline assembly includes the droplet shower nozzle, the inlet opening has been seted up to its bottom, the inlet opening is connected with the flow pipeline, one side of droplet shower nozzle has set firmly the return bend, the return bend is connected with pneumatic pipeline, electric box inside has set firmly the controller assembly, it includes first solenoid valve and second solenoid valve, the first solenoid valve of flow pipeline fixed connection, pneumatic pipeline fixed connection second solenoid valve, the input end fixedly connected with intake pipe of first solenoid valve and second solenoid valve, intake pipe fixedly connected with air pressure regulating valve, the middle section shunting of flow pipeline and pneumatic pipeline has pipette and stirring outlet duct respectively. The utility model can realize the cleaning work of convection pipelines and fog drop spray heads; the effects of providing a negative pressure environment for the liquid medicine spraying of the circulation pipeline and blowing away the fog drops by the high-pressure airflow are achieved.

Description

Air-assisted low-spraying-amount spraying machine for spraying pesticides on greenhouse crops

Technical Field

The utility model relates to an atomizer field specifically is a low volume of spouting sprayer of air-assisted for greenhouse crop pesticide sprays.

Background

The conventional low-spraying-amount sprayer sprays droplets with the middle diameter of 50-300 microns, and the droplets cannot be diffused in a closed or open space for a long time, so that the deposition speed is too high, the droplets cannot be uniformly covered on the surface of a target crop, the insecticidal and bactericidal effects are poor, and the pesticide and water consumption are increased during spraying, so that certain defects exist. Meanwhile, the existing spraying equipment cannot realize the automatic starting, alternating frequency and duration setting of the cleaning and spraying of the sprayer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind send formula low spray volume sprayer for greenhouse crop pesticide sprays, the high-pressure air work that the gas-liquid two-phase flow shower nozzle that installs on the sprayer provided with the help of the air pump can spout the tiny droplet that the diameter is 6-20 microns in the droplet to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low jet-flow sprayer of air-assisted for greenhouse crop pesticide sprays, includes the organism to and the spray tank that sets firmly on the organism, the rear side of spray tank has set firmly electric box, the one end that is close to electric box on the spray tank has set firmly the pipeline assembly, the pipeline assembly includes a plurality of droplet shower nozzle, and a plurality of the inlet opening has been seted up to the bottom of droplet shower nozzle, inlet opening fixedly connected with circulation pipeline, one side of droplet shower nozzle has set firmly the return bend, the one end fixedly connected with pneumatic line of keeping away from the droplet shower nozzle on the return bend, electric box inside has set firmly the controller assembly, the controller assembly includes first solenoid valve and second solenoid valve, the one end of keeping away from the droplet shower nozzle on the circulation pipeline runs through electric box and extends to its inside and the output of the first solenoid valve of fixed connection, the one end of keeping away from the droplet shower nozzle on the pneumatic line runs through electric box and extends to its inside and the output of fixed connection second solenoid valve, the input end fixedly connected with intake pipe of first solenoid valve and second solenoid valve, the one end in the intake pipe runs through electric box inner wall and extends to its outside and fixedly connected with air pressure regulating valve, air pressure regulating valve sets firmly in one side of spray tank, the middle section shunting respectively of flow pipeline and pneumatic pipeline has pipette and stirring outlet duct, the one end of keeping away from the flow pipeline on the pipette runs through spray tank through the check valve and extends to inside it, the one end of keeping away from pneumatic pipeline on the stirring outlet duct runs through spray tank through the air volume governing valve and extends to inside it.

Optionally, the electrical box is hinged to a revolving door, and a first time relay and a second time relay which respectively perform delay control on the first electromagnetic valve and the second electromagnetic valve are installed in the electrical box.

Optionally, the top of medicine liquid case sets firmly the card strip that is used for fixed fog droplet shower nozzle, integrated into one piece has the arc piece that is used for changing fog droplet shower nozzle spray direction on the card strip, the one end of keeping away from the card strip on the arc piece extends to the outside of medicine liquid case.

Optionally, a support plate is integrally formed on the frame and above the clamping strip, and an independent fan for blowing away the spray of the fog drop nozzle is fixedly arranged on the support plate.

Optionally, the bottom of the frame is a rectangular array and is distributed with a plurality of movable wheels, and the movable wheels are universal wheels.

Compared with the prior art, the utility model provides a low volume of spouting sprayer of air-assisted for greenhouse crop pesticide sprays possesses following beneficial effect: the utility model can realize the cleaning work of the air pump on the circulation pipeline and the fogdrop sprinkler head through the air pressure regulating valve, the air inlet pipe, the first electromagnetic valve, the flow pipeline and the water inlet hole of the fogdrop sprinkler head which are connected in sequence; the high-pressure airflow which circulates in the spraying process is realized through the sequentially connected air pressure regulating valve, the air inlet pipe, the second electromagnetic valve, the pneumatic pipeline and the bent pipe of the fog droplet nozzle to provide a negative pressure environment for liquid medicine spraying of the circulating pipeline and blow away the fog droplets, so that the particle size of the liquid medicine fog droplets is finer, the fog droplets are dispersed more uniformly, the diffusion time of the liquid medicine fog droplets is longer, and the spraying effect of the liquid medicine is greatly improved. Meanwhile, a controller assembly is formed in the electric box of the sprayer and is controlled by the combination of the first electromagnetic valve, the second electromagnetic valve, the first time relay and the second time relay, so that the automatic opening, duration and alternating frequency of spraying and cleaning of the sprayer can be realized.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is a schematic structural view of a second viewing angle of the present invention;

FIG. 3 is a schematic structural view of the pipeline assembly of the present invention;

fig. 4 is a schematic structural diagram of the controller assembly of the present invention;

fig. 5 is a schematic structural view of the middle droplet ejection head of the present invention.

In the figure: 1. a body; 2. a liquid medicine box; 3. an electrical box; 4. a pipeline assembly; 5. a droplet spray head; 501. a water inlet hole; 502. bending the pipe; 6. Flowing through the pipeline; 7. a pneumatic line; 8. a controller assembly; 801. a first solenoid valve; 802. a second solenoid valve; 803. a first time relay; 804. a second time relay; 805. an air inlet pipe; 9. an air pressure regulating valve; 10. a pipette; 11. stirring the air outlet pipe; 12. a one-way valve; 13. a gas quantity regulating valve; 14. a rotating door; 15. clamping the strip; 16. an arc-shaped sheet; 17. a support plate; 18. an independent fan; 19. the wheel is moved.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1 to 5, an air-assisted low-spraying-capacity sprayer for spraying pesticides on greenhouse crops comprises a machine body 1 and a pesticide tank 2 fixed on the machine body 1 through bolts, an electric box 3 is fixed on the rear side of the pesticide tank 2 through bolts, one end of the pesticide tank 2 close to the electric box 3 is fixed through a bolt, a pipeline assembly 4 is arranged on the end, close to the electric box 3, of the pesticide tank 2, the pipeline assembly 4 comprises a plurality of fog-drop spray heads 5, the atomization aperture of each fog-drop spray head 5 is 0.1-0.8mm, water inlet holes 501 are formed in the bottoms of the fog-drop spray heads 5, the water inlet holes 501 are fixedly connected with a flow pipeline 6, one side of each fog-drop spray head 5 is in threaded connection with a bent pipe 502, one end, far away from the fog-drop spray heads 5, of the bent pipe 502 is fixedly connected with a pneumatic pipeline 7, a controller assembly 8 is fixed inside the electric box 3 through bolts, the controller assembly 8 comprises a first electromagnetic valve 801 and a second electromagnetic valve 802, one end, far away from the fog-drop spray heads 5 on the flow pipeline 6, extends to the inside of the electric box 3 and is fixedly connected with the first electromagnetic valve 802 An output end of the electromagnetic valve 801, one end of the pneumatic pipeline 7, which is far away from the droplet spray head 5, penetrates through the electric box 3 and extends to the inside of the electric box and is fixedly connected with an output end of the second electromagnetic valve 802, an input end of the first electromagnetic valve 801 and an input end of the second electromagnetic valve 802 are fixedly connected with an air inlet pipe 805, one end of the air inlet pipe 805 penetrates through the inner wall of the electric box 3 and extends to the outside of the electric box and is fixedly connected with an air pressure regulating valve 9, the air pressure regulating valve 9 is fixedly arranged on one side of the liquid medicine box 2 through bolts, a liquid suction pipe 10 and a stirring air outlet pipe 11 are respectively branched at the middle sections of the flow pipeline 6 and the pneumatic pipeline 7, one end of the liquid suction pipe 10, which is far away from the flow pipeline 6, penetrates through the liquid medicine box 2 and extends to the inside of the liquid medicine box through the air quantity regulating valve 13, a rotating door 14 is hinged and matched with the electric box 3, a first time relay which respectively carries out time delay control on the first electromagnetic valve 801 and the second electromagnetic valve 802 is arranged in the electric box 3 Appliance 803 and second relay-time appliance 804;

wherein, the input end of the air pressure regulating valve 9 supplies air through an external air pump, the first time relay 803 and the second time relay 804 control the on-off state of the first electromagnetic valve 801 and the second electromagnetic valve 802 in a delayed manner, thereby realizing the time setting of spraying and cleaning, one end of the flowing pipeline 6 is fixed with the water inlet hole 501 at the bottom of the fog droplet spray head 5, the pneumatic pipeline 7 is fixed with one side of the top of the fog droplet spray head 5 through an elbow, the middle section of the flowing pipeline 6 penetrates through the top of the liquid medicine box 2 to the bottom end thereof through a branched water suction pipe and a one-way valve 12 and extends to the inside, the middle section of the pneumatic pipeline 7 penetrates through the top of the liquid medicine box 2 and is communicated with the inside thereof through a branched stirring air inlet pipe 805 and an air quantity regulating valve 13, when the air pump supplies air, the one-way valve 12 prevents the air pressure in the flowing pipeline 6 from leaking into the liquid medicine box 2, the air quantity regulating valve 13 makes a part of the air pressure in the pneumatic pipeline 7 enter the liquid medicine box 2 through the stirring air inlet pipe 805 by regulating the air pressure, the pressure intensity in the liquid medicine box 2 is increased, the liquid medicine is self-absorbed by the auxiliary liquid suction pipe 10, the fog drop nozzle 5 is a unique gas-liquid two-phase flow low-spraying-quantity nozzle, and the liquid medicine is absorbed by utilizing the air pressure input of the stirring air inlet pipe 805 and the negative pressure formed by the high-pressure air flow passing through the special structure of the fog drop nozzle 5, so that the generated Venturi effect is realized.

Referring to fig. 1 to 5, a clamping strip 15 for fixing the droplet spray head 5 is fixed on the top of the liquid medicine tank 2 through a bolt, an arc piece 16 for changing the spray direction of the droplet spray head 5 is integrally formed on the clamping strip 15, one end of the arc piece 16, which is far away from the clamping strip 15, extends to the outer side of the liquid medicine tank 2, a support plate 17 is integrally formed on the rack and above the clamping strip 15, an independent fan 18 for blowing away the spray of the droplet spray head 5 is fixed on the support plate 17 through a bolt, a plurality of moving wheels 19 are distributed on the bottom of the rack in a rectangular array, and the moving wheels 19 are universal wheels;

wherein, the arc piece 16 is arc design, the sprayer can arrange 1 to N fog drop spray heads 5 with different quantity according to the requirement of the liquid medicine spraying quantity, the fog drop spray head 5 of the sprayer is a gas-liquid two-phase flow low-spraying quantity spray head which can spray fine fog drops with the middle diameter of 6-20 microns, when the fog drop spray head 5 sprays the fog drops, the fog drops can be blown off by the independent fan 18, the fog drops can be diffused in a closed space for a long time after being blown off, for example, in facility agriculture such as greenhouse and the like, the diffused liquid medicine fog drops can not be rapidly deposited, all surfaces of target crops can be gradually and uniformly covered by the liquid medicine fog drops, the pesticide effect can be exerted for a long time, better pest killing and sterilization effects can be achieved, the pesticide spraying work is ventilated after being completely finished, the closed environment is relieved, a small amount of residual fog drops which are still diffused in the air are released into the atmosphere, the wheel diameter of the moving wheel 19 positioned at the front part of the machine body 1 is smaller than the wheel diameter of the moving wheel 19 at the rear part of the machine body 1, the pushing and steering of the sprayer are facilitated.

The working principle is as follows: in the use process of the utility model, after the sprayer is powered on, the sprayer is firstly in a cleaning state, the first electromagnetic valve 801 is opened, the second electromagnetic valve 802 is closed, at the moment, high-pressure gas passing through the air pressure regulating valve 9 enters the fog-drop spray head 5 from the pipeline 6 to clean the fog-drop spray head 5, the one-way valve 12 on the pipette 10 is closed, after ten seconds, the second time relay 804 controls the second electromagnetic valve 802 to be opened, the first electromagnetic valve 801 is closed, at the moment, high-pressure gas passing through the air pressure regulating valve 9 enters the fog-drop spray head 5 from the pneumatic pipeline 7, the fog-drop spray head 5 starts to normally work, the one-way valve 12 of the pipette 10 is opened, the medicine liquid tank 2 is pressurized through the stirring air inlet pipe 805 to realize the self-suction of the pipette 10, after ten minutes of work, the second time relay 804 controls the second sprayer 802 to be closed, the first electromagnetic valve 801 is opened and is in the cleaning state again, in the operating time period that first time relay 803 and second time relay 804 set for, the washing and the spraying of sprayer go on in proper order to reciprocating cycle, simultaneously, through air pressure regulating valve 9, adjust the atmospheric pressure size, can adjust the medicine yield of fog drip shower nozzle 5, the supporting independent fan 18 of sprayer is used for blowing the fog drip after the atomizing to whole airtight space, makes the liquid medicine fog drip reach evenly distributed fast, is favorable to improving the pest control effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a low volume of spouting sprayer of air-assisted for greenhouse crop pesticide sprays, includes organism (1) to and liquid medicine case (2) on organism (1) set firmly, its characterized in that: the rear side of liquid medicine case (2) has set firmly electric box (3), the one end that is close to electric box (3) on liquid medicine case (2) has set firmly pipeline assembly (4), pipeline assembly (4) include a plurality of droplet shower nozzle (5), a plurality of inlet opening (501) have been seted up to the bottom of droplet shower nozzle (5), inlet opening (501) fixedly connected with flow through pipeline (6), one side of droplet shower nozzle (5) has set firmly return bend (502), the one end fixedly connected with pneumatic tube (7) of keeping away from droplet shower nozzle (5) on return bend (502), electric box (3) inside has set firmly controller assembly (8), controller assembly (8) include first solenoid valve (801) and second solenoid valve (802), the one end of keeping away from droplet shower nozzle (5) on flow through electric box (3) extend to its inside and the output of fixed connection first solenoid valve (801), one end of the pneumatic pipeline (7) far away from the fog drop nozzle (5) penetrates through the electric box (3) to extend to the interior of the electric box and is fixedly connected with the output end of the second electromagnetic valve (802), the input ends of the first electromagnetic valve (801) and the second electromagnetic valve (802) are fixedly connected with an air inlet pipe (805), one end of the air inlet pipe (805) penetrates through the inner wall of the electric box (3) and extends to the outside of the electric box, and is fixedly connected with an air pressure regulating valve (9), the air pressure regulating valve (9) is fixedly arranged at one side of the liquid medicine box (2), the middle sections of the flow pipeline (6) and the pneumatic pipeline (7) are respectively branched with a liquid suction pipe (10) and a stirring air outlet pipe (11), one end of the pipette (10) far away from the flow pipeline (6) penetrates through the liquid medicine box (2) through the one-way valve (12) and extends to the interior of the liquid medicine box, one end of the stirring air outlet pipe (11) far away from the pneumatic pipeline penetrates through the liquid medicine box (2) through the air quantity regulating valve (13) and extends to the interior of the liquid medicine box.

2. The air-assisted low-volume sprayer for spraying pesticides on greenhouse crops as claimed in claim 1, wherein the sprayer comprises: the electric box (3) is hinged and matched with a rotating door (14), and a first time relay (803) and a second relay time electric appliance (804) which respectively perform delay control on a first electromagnetic valve (801) and a second electromagnetic valve (802) are installed in the electric box (3).

3. The air-assisted low-volume sprayer for spraying pesticides on greenhouse crops as claimed in claim 1, wherein the sprayer comprises: the top of institute liquid medicine case (2) sets firmly card strip (15) that are used for fixed fog drop shower nozzle (5), integrated into one piece has arc piece (16) that are used for changing fog drop shower nozzle (5) spray direction on card strip (15), keep away from the outside that the one end of card strip (15) extends to liquid medicine case (2) on arc piece (16).

4. The air-assisted low-volume sprayer for spraying pesticides on greenhouse crops as claimed in claim 3, wherein: a supporting plate (17) is integrally formed on the rack and above the clamping strip (15), and an independent fan (18) used for blowing away the spray of the fog drop spray head (5) is fixedly arranged on the supporting plate (17).

5. The air-assisted low-volume sprayer for spraying pesticides on greenhouse crops as claimed in claim 1, wherein the sprayer comprises: the bottom of the frame is a rectangular array and is provided with a plurality of movable wheels (19), and the movable wheels (19) are universal wheels.

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