CN210406381U - Pesticide spraying system for agricultural greenhouse - Google Patents

Abstract

The utility model discloses a pesticide spraying system for an agricultural greenhouse, which comprises a greenhouse main body, a liquid medicine storage and conveying device and an electrostatic sprayer; the greenhouse main body comprises a greenhouse framework and a thin film layer covered on the greenhouse framework; the liquid medicine storage and conveying device comprises a reservoir, a water tank, a water pump and a liquid medicine conveying pipeline; the water reservoir is positioned on the outer side of the greenhouse main body, and the water tank is positioned on the inner side of the greenhouse main body and communicated with the water reservoir; a water inlet pipe of the water pump is inserted into the water tank, and a water outlet pipe of the water pump is connected with a liquid medicine conveying pipeline; the liquid medicine conveying pipeline is arranged at the upper end inside the greenhouse main body; the electrostatic sprayers are uniformly arranged at the lower end of the liquid medicine conveying pipeline and communicated with the liquid medicine conveying pipeline. The pesticide spraying system provided by the utility model adopts the plurality of electrostatic sprayers arranged at the top end of the greenhouse to spray pesticide, so that the high-plant type crops can be efficiently prevented and treated by diseases and pests; the pesticide is stored by adopting the water tank and the water storage tank, the storage space is large, the pesticide liquid storage and conveying device occupies less space in the greenhouse main body, and the operation efficiency is high.

Description

Pesticide spraying system for agricultural greenhouse

Technical Field

The utility model relates to a pesticide spraying system especially relates to a pesticide spraying system for green house, belongs to the pesticide field of spraying.

Background

Greenhouse production is a highly intensive agricultural production mode, has good economic and social benefits, and becomes an important facility part for producing economic crops such as vegetables, fruits and the like. However, due to the special micro-ecological environment, a good growth environment is provided for crops, and favorable environmental conditions are provided for the occurrence of diseases and insect pests, so that the diseases and insect pests are frequently high, and the development period of the diseases and insect pests is greatly shortened.

Chemical control is a main means for controlling diseases and pests in greenhouses, and spray application is a main mode for applying drugs to greenhouses. Frequent and large-amount pesticide spraying not only seriously threatens the quality of greenhouse crops, but also seriously threatens the safety of the ecological environment of the farmland by pesticide lost in the pesticide spraying process.

The current research results show that in the large-scale farmland spray application process, only less than 0.1 percent of the pesticide application amount can reach a control object generally, and most of the pesticide can be lost into the environment or enter non-target organisms in various ways. How to reduce the loss of the pesticide and improve the effective utilization rate of the pesticide, so that enough active substances can safely and economically reach the target to be prevented and treated and obtain ideal biological effects is a research hotspot of the current pesticide spraying device.

The application mode and the spraying device are important factors influencing the deposition of the medicament on the surface of the plant and the control effect of the medicament. Based on the special pesticide application environment of the greenhouse, the main devices for spraying pesticide in the greenhouse in China are a manual sprayer and an electric sprayer, but the manual sprayer is uneven in pesticide spraying and consumes manpower; hand sprayers and electric sprayers have poor droplet penetration. Over 99% of the pesticide sprayed by the traditional pesticide spraying method cannot play a role in eliminating plant diseases and insect pests, but becomes an environmental pollution source, so that a series of negative effects are generated, for example, pesticide residues on agricultural products exceed the standard, pesticide is wasted, the environment is polluted, other crops and farmer cultivators are poisoned, and unnecessary loss and other adverse effects are caused. In addition, in the greenhouse, the handheld pesticide sprayer on the market at present has limited height, and cannot be sprayed to the top end of a tall and tall facility for planting crops to prevent and control plant diseases and insect pests.

Present a lot of big-arch shelters adopt mechanical automatic pesticide application, chinese utility model patent for CN 206462264U if the publication number of granting is disclosed, an intelligent agriculture multipurpose spraying robot, this spraying robot though can realize automatic spraying, but need cultivate the track that a sufficient spraying robot walked in the big-arch shelter, this is to operation space with regard to narrow big-arch shelter relatively originally, the planting space is wasted relatively, in addition, the liquid reserve tank space that spraying robot carried is limited, can't satisfy the operation of spraying of the pesticide in large area, need add the pesticide repeatedly, the operation is inconvenient, it is unsatisfactory to spray the operating efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a pesticide spraying system for an agricultural greenhouse, the pesticide sprayed by the pesticide spraying system has electric charges, the electric charges can help the pesticide to be adsorbed on more plants and directly act on the affected parts of the plants, the use efficiency of the pesticide is improved, the use and labor cost of the pesticide are reduced, the cost is saved and the environment is protected; the greenhouse pesticide spraying robot solves the problems that an existing greenhouse pesticide spraying robot needs to occupy planting space in a greenhouse, pesticide spraying amount is limited, and operation efficiency is low.

In order to realize the above purpose, the utility model discloses a technical scheme:

a pesticide spraying system for an agricultural greenhouse comprises a greenhouse main body, a liquid medicine storage and conveying device and an electrostatic sprayer;

the greenhouse main body comprises a greenhouse framework and a thin film layer covered on the greenhouse framework;

the liquid medicine storage and conveying device comprises a reservoir, a water tank, a water pump and a liquid medicine conveying pipeline; the water tank is positioned at the inner side of the greenhouse main body and communicated with the water reservoir; a water inlet pipe of the water pump is inserted into the water tank, and a water outlet pipe of the water pump is connected with a liquid medicine conveying pipeline; the liquid medicine conveying pipeline is arranged at the upper end inside the greenhouse main body;

the electrostatic sprayer is provided with a plurality of electrostatic sprayers which are uniformly arranged at the lower end of the liquid medicine conveying pipeline and communicated with the liquid medicine conveying pipeline.

Further, the electrostatic atomizer comprises a fixing device and a rotating device;

the fixing device comprises a fixing pipe, a rotating motor and an electrostatic generator; the rotating motor and the electrostatic generator are arranged on the left side wall and the right side wall of the fixed pipe, and a first gear is arranged on an output shaft of the rotating motor;

the rotating device comprises a rotating pipe, a spraying disc and a plurality of electrostatic spray heads, wherein the rotating pipe, the spraying disc and the plurality of electrostatic spray heads are sequentially communicated; the rotating pipe is rotatably arranged at the lower end of the fixed pipe and communicated with the fixed pipe, and a second gear meshed with the first gear is fixedly arranged on the side wall of the rotating pipe; the spraying disc is fixedly arranged at the lower end of the rotating pipe, the electrostatic spray heads are uniformly arranged on the side wall along the circumferential direction of the spraying disc, and the electrostatic spray heads are electrically connected with the electrostatic generator.

Further, electrostatic spray head includes the cylinder casing of front end and the tubaeform casing of rear end, be equipped with sprinkler head body and charging electrode in the cylinder casing, be equipped with round platform shape cavity in the sprinkler head body, the neck mouth portion at round platform shape cavity end passes through the liquid outlet intercommunication tubaeform casing, charging electrode with electrostatic generator electricity is connected.

Further, the charging electrode comprises a ring-shaped charging electrode and a mesh-shaped charging electrode; the annular charging electrode is positioned between the cylindrical shell and the spray head body, and the tail end of the annular charging electrode extends out of the liquid outlet and is connected with the reticular charging electrode; the mesh-shaped charging electrode is positioned on the end face of the tail end of the cylindrical shell.

Further, the electrostatic atomizer further comprises a housing installed outside the fixing device and the rotary pipe;

the shell is including enclosing into first shell and the second shell of shell, first shell and second shell pass through bolted connection, the up end of first shell and second shell all is equipped with the louvre.

Further, the upper end of the fixed pipe is connected with a connecting pipe; the outer side walls of the fixed pipe and the rotating pipe in the circumferential direction are provided with limit grooves for clamping the shell; the charging electrode is electrically connected with the electrostatic generator through a collecting ring.

Further, install agitator motor on the lateral wall of cistern, be connected with the stirring rake on agitator motor's the output shaft, the stirring rake is located in the cistern, the cistern bottom is equipped with the filter screen.

Further, a support is arranged in the greenhouse main body, the bottom end of the support is fixed on the bottom surface, and the top end of the support is provided with the liquid medicine conveying pipeline.

Further, the spraying system also comprises a controller, and the controller is connected with the stirring motor, the water pump, the rotating motor and the electrostatic generator.

The utility model has the advantages that:

the pesticide spraying system provided by the utility model adopts the plurality of electrostatic sprayers arranged at the top end of the greenhouse to spray pesticide, so that the pesticide spraying system can also be used for preventing and treating plant diseases and insect pests of high-plant crops; the pesticide is stored by adopting the water tank and the water storage tank, the storage space is large, the liquid medicine storage and conveying device occupies less space in the greenhouse main body, and the operation efficiency is high; the water storage tank can be used for storing water, rainwater can be effectively collected in rainy days, and water resources are reasonably utilized.

The utility model provides an electrostatic sprayer can realize spraying insecticide in planting the big-arch shelter, can control rotational speed and spray volume, and spun pesticide has electric charge, and electric charge can help the pesticide more adsorb on the plant, and direct action harms the position in the plant, has improved the availability factor of pesticide, has reduced the use and the human cost of pesticide, has both practiced thrift the cost and has protected the environment again.

The utility model provides an electrostatic nozzle can realize two-stage charging, and the fog drops charged by the annular charging electrode and the reticular charging electrode carry the same charge as the electrode, and the fog drops continue to split and further differentiate due to the repulsion between the surface charges of the fog drops; the two-stage charging increases the charging time of the fog drops, namely, the effect of repeated charging is achieved, the charge-to-mass ratio of the fog drops is improved, and the electric charge of the fog drops is obviously increased.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the present invention after the thin film layer is removed;

fig. 3 is a cross-sectional view of the present invention;

fig. 4 is a schematic view of the electrostatic atomizer of the present invention;

FIG. 5 is a schematic view of the electrostatic atomizer with the outer shell removed;

fig. 6 is a cross-sectional view of the electrostatic spray head of the present invention;

in the figure: 1. a greenhouse main body; 11. a greenhouse framework; 12. a thin film layer; 13. a support; 2. a conveying device; 21. a reservoir; 211. a stirring motor; 212. a stirring paddle; 22. a water tank; 23. a water pump; 24. a liquid medicine delivery line; 3. an electrostatic atomizer; 31. a fixing device; 311. a fixed tube; 312. a motor; 313. an electrostatic generator; 314. a first gear; 315. a connecting pipe; 32. a rotating device; 321. rotating the tube; 322. a spray tray; 323. an electrostatic spray head; 3231. a cylindrical housing; 3232. a horn-shaped housing; 3233. a spray head body; 3234. a truncated cone shaped cavity; 3235. a liquid outlet; 3236. an annular charging electrode; 3237. a mesh-shaped charging electrode; 324. a second gear; 33. a housing; 331. a first housing; 332. a second housing; 333. heat dissipation holes; 34. A limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further explained with reference to the accompanying drawings. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

A pesticide spraying system for an agricultural greenhouse is shown in figures 1-3 and comprises a greenhouse main body 1, a liquid medicine storage and conveying device 2 and an electrostatic sprayer 3;

the greenhouse main body 1 comprises a greenhouse skeleton 11 and a thin film layer 12 covering the greenhouse skeleton 11;

the liquid medicine storage and conveying device 2 comprises a reservoir 21, a water tank 22, a water pump 23 and a liquid medicine conveying pipeline 24; the reservoir 21 is positioned at the outer side of the greenhouse main body 1, and the water tank 22 is positioned at the inner side of the greenhouse main body 1 and communicated with the reservoir 21; a water inlet pipe of the water pump 23 is inserted into the water tank 22, and a water outlet pipe is connected with a liquid medicine conveying pipeline 24; the liquid medicine conveying pipeline 24 is arranged at the upper end inside the greenhouse main body 1;

the plurality of electrostatic sprayers 3 are uniformly arranged at the lower end of the liquid medicine conveying pipeline 24 and communicated with the liquid medicine conveying pipeline 24.

When the pesticide storage tank is used specifically, the pesticide is poured into the water storage tank 21, and a switch between the water storage tank 21 and the water tank 22 is opened, so that the pesticide enters the water tank 22; the water pump 23 works, the liquid medicine enters the water pump 23 through the water inlet pipe of the water pump 23, enters the conveying pipeline 24 from the water outlet pipe, and is sprayed to crops in the greenhouse from the electrostatic sprayer 3 at the lower end in the conveying pipeline 24. The water storage tank 21 can be used for storing water, effectively collecting rainwater in rainy days and reasonably utilizing water resources.

Example 2

This embodiment is further improved on the basis of embodiment 1, and as shown in fig. 4 and 5, the electrostatic atomizer 3 includes a fixing device 31 and a rotating device 32;

the fixing device 31 includes a fixing tube 311, a rotating motor 312, and an electrostatic generator 313; a rotating motor 312 and an electrostatic generator 313 are mounted on the left and right side walls of the fixed pipe 311, and a first gear 314 is mounted on an output shaft of the rotating motor 312;

the rotating device 32 comprises a rotating pipe 321, a spraying disc 322 and a plurality of electrostatic spray heads 323 which are sequentially communicated with each other; the rotating pipe 321 is rotatably installed at the lower end of the fixed pipe 311 and communicated with the fixed pipe 311, and a second gear 324 engaged with the first gear 314 is fixedly installed on the side wall of the rotating pipe 321; the spray disk 322 is fixedly installed at the lower end of the rotary pipe 321, the electrostatic spray heads 323 are uniformly installed on the side wall along the circumferential direction of the spray disk 322, and the electrostatic spray heads 323 are electrically connected with the electrostatic generator 313.

When in specific use, the fixed pipe 311 is arranged at the lower side of the liquid medicine conveying pipeline 24 at the top end of the greenhouse and is communicated with the liquid medicine conveying pipeline 24; the rotating motor 312 rotates to drive the rotating device 32 to rotate around the fixed pipe 311, so that the crops in the greenhouse can be sprayed more uniformly and thoroughly; the electrostatic generator 313 works to charge the pesticide sprayed out by the electrostatic spray nozzle 323, so that the use efficiency of the pesticide is improved, the use and labor cost of the pesticide is reduced, the cost is saved, and the environment is protected.

Example 3

In this embodiment, a further improvement is made on the basis of embodiment 2, as shown in fig. 6, the electrostatic spray head 323 includes a cylindrical housing 3231 at the front end and a flared housing 3232 at the rear end, a spray head body 3233 and a charging electrode are arranged in the cylindrical housing 3231, a truncated cone-shaped cavity 3234 is arranged in the spray head body 3233, a neck opening at the tail end of the truncated cone-shaped cavity 3234 is communicated with the flared housing 3232 through a liquid outlet 3235, and the charging electrode is electrically connected to the electrostatic generator 313.

When the device is used specifically, the charging electrode is electrified by the electrostatic generator 313, liquid medicine enters the truncated cone-shaped cavity 3234, the sectional area of a liquid conveying channel in the truncated cone-shaped cavity 3234 is reduced, the flow rate is greatly increased, part of pressure heads are changed into speed heads, when the liquid is sprayed out from the liquid outlet 3235, the liquid is broken and atomized into fine fog drops under the action of the internal and external pressure difference and the air impact force, and meanwhile, the charging electrode charges the liquid medicine to enable the liquid medicine to be charged and to float to crops through the horn-shaped shell 3232.

Example 4

This embodiment is further improved on the basis of embodiment 3, and as shown in fig. 6, the charging electrode includes a ring-shaped charging electrode 3236 and a mesh-shaped charging electrode 3237; the annular charging electrode 3236 is positioned between the cylindrical shell 3231 and the spray head body 3233, and the tail end of the annular charging electrode 3236 extends out of the liquid outlet 3235 and is connected with a mesh-shaped charging electrode 3237; the mesh-shaped charging electrode 3237 is located on an end surface of the distal end of the cylindrical housing 3231.

In specific use, under the action of the annular charging electrode 3236, the adsorption activity of the liquid surface is increased, the liquid surface generates obvious directional arrangement, the surface tension is reduced, the instability is increased, the liquid is favorably cracked, and the fog drops are primarily charged at the tail end of the annular charging electrode 3236; when the fog drops pass through the mesh-shaped charging electrode 3237 at a high speed, the fog drops are conductors, and the mesh-shaped charging electrode 3237 and the fog drops form a passage, so that current passes through the passage, the fog drops are provided with charges with the same polarity as that of the mesh-shaped charging electrode 3237, and the fog drops are further reduced due to the impact effect of the mesh-shaped charging electrode 3237 on the high-speed fog drops; the two-stage charging increases the charging time of the fog drops, namely, the effect of repeated charging is achieved, the charge-to-mass ratio of the fog drops is improved, the charge amount of the fog drops is obviously increased, the atomization degree is high, the atomization coverage rate is high, and the atomization is uniform.

Example 5

This embodiment is further improved on the basis of embodiment 4, and as shown in fig. 4, the electrostatic atomizer 3 further includes a housing 33, which is installed outside the fixing device 31 and the rotary pipe 321; the housing 33 includes a first housing 331 and a second housing 332 enclosing the housing 33, the first housing 331 and the second housing 332 are connected by bolts, and heat dissipation holes 333 are formed in upper end surfaces of the first housing 331 and the second housing 332.

In particular use, the casing 33 is such as to protect the rotating electrical machine 312 and the electrostatic generator 313 inside it, preventing the interference thereof by external substances; by bolting for easy mounting and dismounting, heat generated from the rotating electric machine 312 and the electrostatic generator 313 is discharged to the outside through the heat radiation holes 333.

Example 6

This embodiment is further improved on the basis of embodiment 5, as shown in fig. 4 and 5, the upper end of the fixed pipe 311 is connected with a connecting pipe 315; the outer side walls of the fixed pipe 311 and the rotating pipe 321 in the circumferential direction are provided with limit grooves 34 for clamping the shell 33; the charging electrode is electrically connected with the electrostatic generator 313 through a slip ring.

When in specific use, the sprayer is arranged on the liquid medicine conveying pipeline 24 at the top end of the greenhouse through the connecting pipe 315; the housing 33 is prevented from moving up and down by providing the stopper groove 34, and the housing 33 is stopped.

Example 7

In this embodiment, a further improvement is made on the basis of embodiment 6, as shown in fig. 1 to 3, a stirring motor 211 is installed on a side wall of the water reservoir 21, an output shaft of the stirring motor 211 is connected with a stirring paddle 212, the stirring paddle 212 is located in the water reservoir 21, and a filter screen is arranged at the bottom of the water reservoir 21. The stirring motor 211 is arranged to drive the stirring paddle 212 to rotate, so that the liquid in the reservoir 21 is stirred, and the pesticide and the water are fully and uniformly mixed.

Example 8

In this embodiment, a further improvement is made on the basis of embodiment 7, as shown in fig. 2 and 3, a support 13 is arranged in the greenhouse main body 1, the bottom end of the support 13 is fixed on the bottom surface, and the top end is provided with a liquid medicine conveying pipeline 24. By arranging the bracket 13, the liquid medicine conveying pipeline 24 and the electrostatic sprayer 3 are conveniently fixed at the top end of crops in the greenhouse to spray the crops.

Example 9

This embodiment is further improved on the basis of embodiment 8, and as shown in fig. 2 and 3, the spraying system further comprises a controller, and the controller is connected with the stirring motor 211, the water pump 23, the rotating motor 312 and the static electricity generator 313. In this embodiment, the controller is a conventional single chip microcomputer, and a conventional control program is implanted to control the on/off and the rotating speed of the stirring motor 211, the water pump 23, the rotating motor 312, the electrostatic generator 313, and the like; the water pump 23 is a speed-regulating water pump, the rotating motor 312 is a speed-regulating motor, and the controller adopts an stm32 single chip microcomputer.

For better understanding of the present invention, the following description is made in conjunction with the above embodiments to describe the working principle of the present invention completely:

when the pesticide spraying device is used, firstly, the pesticide is poured into the reservoir 21, the stirring motor 211 is started to drive the stirring paddle 212 to rotate, and liquid in the reservoir 21 is stirred, so that the pesticide and water are fully and uniformly mixed; then a switch between the reservoir 21 and the water tank 22 is opened, so that the pesticide enters the water tank 22; then the water pump 23 is started, the liquid medicine enters the water pump 23 through the water inlet pipe of the water pump 23 and enters the conveying pipeline 24 from the water outlet pipe; and finally, the liquid medicine enters the electrostatic sprayer 3 at the lower end of the conveying pipeline 24, enters the electrostatic sprayer 323 through the connecting pipe 315, the fixed pipe 311, the rotating pipe 321 and the spraying disc 322, is sprayed out of the electrostatic sprayer 323, and then falls towards crops. When the pesticide spraying device works, the controller controls the rotating motor 312 to rotate, and the rotating device 32 is driven to rotate around the fixed pipe 311, so that pesticide spraying is more uniform and thorough.

In operation, the electrostatic generator 313 operates to charge the charging electrode. The liquid medicine enters the truncated cone-shaped cavity 3234, the sectional area of a liquid conveying channel in the truncated cone-shaped cavity 3234 is reduced, the flow rate is greatly increased, part of pressure heads are changed into speed heads, and when the liquid is sprayed out from the liquid outlet 3235, the liquid is broken and atomized into fine fog drops under the action of internal and external pressure difference and air impact force; meanwhile, under the action of the annular charging electrode 3236, the adsorption activity of the liquid surface is increased, the liquid surface generates obvious directional arrangement, the surface tension is reduced, the instability is increased, the liquid is favorably broken, and the fog drops are primarily charged at the tail end of the annular charging electrode 3236; when the fog drops pass through the mesh-shaped charging electrode 3237 at a high speed, the fog drops are conductors, and the mesh-shaped charging electrode 3237 and the fog drops form a passage, so that current passes through the passage, so that the fog drops have charges with the same polarity as that of the mesh-shaped charging electrode 3237, and the fog drops are further reduced due to the impact effect of the mesh-shaped charging electrode 3237 on the high-speed fog drops and then fall to crops through the horn-shaped shell 3232. The sprayed pesticide has electric charges, so that the use efficiency of the pesticide is improved, the use and labor cost of the pesticide is reduced, the cost is saved, and the environment is protected.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a pesticide spraying system for green house which characterized in that: comprises a greenhouse main body (1), a liquid medicine storage and conveying device (2) and an electrostatic sprayer (3);

the greenhouse main body (1) comprises a greenhouse framework (11) and a thin film layer (12) covered on the greenhouse framework (11);

the liquid medicine storage and conveying device (2) comprises a water storage tank (21), a water tank (22), a water pump (23) and a liquid medicine conveying pipeline (24); the water reservoir (21) is positioned on the outer side of the greenhouse main body (1), and the water tank (22) is positioned on the inner side of the greenhouse main body (1) and communicated with the water reservoir (21); a water inlet pipe of the water pump (23) is inserted into the water tank (22), and a water outlet pipe is connected with a liquid medicine conveying pipeline (24); the liquid medicine conveying pipeline (24) is arranged at the upper end inside the greenhouse main body (1);

the electrostatic sprayers (3) are uniformly arranged at the lower ends of the liquid medicine conveying pipelines (24) and communicated with the liquid medicine conveying pipelines (24).

2. The pesticide spraying system for the agricultural greenhouse of claim 1, wherein the pesticide spraying system comprises: the electrostatic atomizer (3) comprises a fixing device (31) and a rotating device (32);

the fixing device (31) comprises a fixing pipe (311), a rotating motor (312) and an electrostatic generator (313); the rotating motor (312) and the electrostatic generator (313) are arranged on the left side wall and the right side wall of the fixed pipe (311), and a first gear (314) is arranged on an output shaft of the rotating motor (312);

the rotating device (32) comprises a rotating pipe (321), a spraying disc (322) and a plurality of electrostatic spray heads (323) which are sequentially communicated with each other; the rotating pipe (321) is rotatably arranged at the lower end of the fixed pipe (311) and communicated with the fixed pipe (311), and a second gear (324) meshed with the first gear (314) is fixedly arranged on the side wall of the rotating pipe (321); the spraying disc (322) is fixedly arranged at the lower end of the rotating pipe (321), the electrostatic spray heads (323) are uniformly arranged on the side wall along the circumferential direction of the spraying disc (322), and the electrostatic spray heads (323) are electrically connected with the electrostatic generator (313).

3. A pesticide spraying system for agricultural greenhouses according to claim 2, wherein: electrostatic spray head (323) includes the cylinder casing (3231) of front end and tubaeform casing (3232) of rear end, be equipped with sprinkler body (3233) and the utmost point that charges in cylinder casing (3231), be equipped with round platform shape cavity (3234) in sprinkler body (3233), the neck portion of round platform shape cavity (3234) end passes through liquid outlet (3235) intercommunication tubaeform casing (3232), charge the electrode with electrostatic generator (313) electricity is connected.

4. A pesticide spraying system for agricultural greenhouses according to claim 3, wherein: the charging electrode comprises a ring-shaped charging electrode (3236) and a mesh-shaped charging electrode (3237); the annular charging electrode (3236) is positioned between the cylindrical shell (3231) and the spray head body (3233), and the tail end of the annular charging electrode (3236) extends out of the liquid outlet (3235) and is connected with a reticular charging electrode (3237); the reticular charging electrode (3237) is positioned on the end face of the tail end of the cylindrical shell (3231).

5. The pesticide spraying system for the agricultural greenhouse of claim 4, wherein the pesticide spraying system comprises: the electrostatic atomizer (3) further comprises a housing (33) mounted outside the fixture (31) and the rotary tube (321);

the shell (33) comprises a first shell (331) and a second shell (332) which enclose the shell (33), the first shell (331) and the second shell (332) are connected through bolts, and heat dissipation holes (333) are formed in the upper end faces of the first shell (331) and the second shell (332).

6. A pesticide spraying system for an agricultural greenhouse as claimed in claim 5, wherein: the upper end of the fixed pipe (311) is connected with a connecting pipe (315); the outer side walls of the fixed pipe (311) and the rotating pipe (321) along the circumferential direction are provided with limit grooves (34) which are clamped with the shell (33); the charging electrode is electrically connected with the static generator (313) through a collecting ring.

7. The pesticide spraying system for the agricultural greenhouse of claim 6, wherein the pesticide spraying system comprises: install agitator motor (211) on the lateral wall of cistern (21), be connected with stirring rake (212) on the output shaft of agitator motor (211), stirring rake (212) are located in cistern (21), cistern (21) bottom is equipped with the filter screen.

8. The pesticide spraying system for the agricultural greenhouse of claim 7, wherein the pesticide spraying system comprises: the greenhouse is characterized in that a support (13) is arranged in the greenhouse main body (1), the bottom end of the support (13) is fixed on the bottom surface, and the top end of the support is provided with the liquid medicine conveying pipeline (24).

9. The pesticide spraying system for the agricultural greenhouse of claim 8, wherein the pesticide spraying system comprises: the spraying system also comprises a controller, and the controller is connected with the stirring motor (211), the water pump (23), the rotating motor (312) and the electrostatic generator (313).

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