CN112042625A - Multi-point air-assisted spraying system - Google Patents
Multi-point air-assisted spraying system Download PDFInfo
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- CN112042625A CN112042625A CN202011040203.5A CN202011040203A CN112042625A CN 112042625 A CN112042625 A CN 112042625A CN 202011040203 A CN202011040203 A CN 202011040203A CN 112042625 A CN112042625 A CN 112042625A
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- assisted
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- 238000005507 spraying Methods 0.000 title claims abstract description 91
- 239000007921 spray Substances 0.000 claims abstract description 65
- 239000000575 pesticide Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims description 59
- 239000003814 drug Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000008021 deposition Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 244000037666 field crops Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0003—Atomisers or mist blowers
- A01M7/0014—Field atomisers, e.g. orchard atomisers, self-propelled, drawn or tractor-mounted
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a multi-point air-assisted spraying system which comprises a bracket and a plurality of air-assisted spraying units, wherein the bracket is provided with a plurality of air-assisted spraying units; the air-feeding spraying unit comprises an air cylinder, a spray head and an air supply device, wherein the spray head is arranged in the air cylinder and sprays out the pesticide along the outlet end of the air cylinder, and the air supply device is arranged at the inlet end of the air cylinder and is used for supplying air along the spraying direction of the pesticide; the wind cylinders of the air-assisted spraying units are respectively and independently installed on the support, can vertically pitch along a vertical surface and can rotate in a horizontal plane along the support. The invention can independently adjust the pitching angle of the air duct of each air-conveying spraying unit on the vertical surface and the rotating angle of the air duct of each air-conveying spraying unit on the horizontal surface aiming at different crops, thereby improving the penetrability of fog drops. The air supply device supplies air to the pesticide spraying direction, the air flow can blow the canopy, so that the branches and leaves are stressed to swing, the shielding effect of the branches and leaves is eliminated, the fog drops enter the canopy under the stress effect of the air flow, the fog drop deposition in the canopy can be increased, and the purpose of reducing the pesticide application amount is achieved.
Description
Technical Field
The invention relates to the technical field of plant protection mechanical devices, in particular to a multi-point air-assisted spraying system.
Background
At present, the main application mode of the pesticide is spraying, liquid medicine is atomized into fine fog drops through a spray head, and the fog drops move towards targets such as branches, leaves and fruits and are deposited on the surface of the targets. Due to the shielding effect of branches and leaves in the canopy, the fog drops can be intercepted by the branches and leaves on the outer layer in the movement process of the fog drops, and as a result, the deposition of the pesticide fog drops in the canopy is less than that of the pesticide fog drops on the outer leaves. In order to achieve the purpose that the interior of the canopy layer has enough deposition amount, farmers generally adopt a method of increasing the spraying amount to spray pesticide, so that the pesticide liquid on the outer leaves flows and runs off into the soil to cause environmental pollution, and meanwhile, the excessive pesticide also participates in the growth circulation system of crops, so that the pesticide residue of agricultural products is easy to exceed the standard.
Therefore, how to realize the spraying of the pesticide into the canopy before the overproof of the pesticide is avoided is a technical problem to be urgently solved by technical personnel in the field.
Disclosure of Invention
In view of this, the invention aims to provide a multi-point air-assisted spraying system, which can realize pesticide spraying to the interior of a canopy on the premise of avoiding pesticide exceeding standards.
In order to achieve the above object, the present invention provides the following solutions:
a multi-point air-assisted spraying system comprises a bracket and a plurality of air-assisted spraying units;
the air-feeding spraying unit comprises an air cylinder, a spray head and an air supply device, wherein the spray head is arranged in the air cylinder and sprays out the pesticide along the outlet end of the air cylinder, and the air supply device is arranged at the inlet end of the air cylinder and is used for supplying air along the spraying direction of the pesticide;
the air ducts of the air supply spraying units are respectively and independently installed on the support, can be vertically tilted along a vertical surface and can rotate in a horizontal plane along the support.
In a particular embodiment, the multi-point air-assisted spray system further comprises a first flange, a second flange, and a pipe clamp;
the first flange is connected with the air duct, the second flange is connected with the pipe clamp, the first flange and the second flange are detachably connected, and the pitching angle of the air duct along the vertical surface is adjusted by adjusting the installation angle of the first flange and the second flange;
the pipe clamp is installed on the vertical rod of the support, and the front and back inclination angles of the air duct along the horizontal plane are adjusted by rotating the pipe clamp.
In another specific embodiment, the air supply device comprises a motor and a blade;
a motor support is arranged in the air duct, the motor is installed on the motor support, and the blades are installed on an output shaft of the motor.
In another specific embodiment, the air-assisted spray unit further comprises a control box in signal connection with the motor;
the control box controls the opening and closing of the motor.
In another specific embodiment, the air supply device further comprises a rotation speed adjusting knob arranged on the control box, and the rotation speed adjusting knob is used for adjusting the rotation speed of the motor.
In another specific embodiment, the air-assisted spraying unit further includes a liquid supply pipeline, one end of the liquid supply pipeline is connected to a liquid supply source for supplying liquid medicine, and the other end of the liquid supply pipeline is in conduction connection with the spray head.
In another specific embodiment, the supply line comprises a supply hose and a supply wand;
one end of the liquid supply hose is in conduction connection with the liquid supply source, the other end of the liquid supply hose is connected with one end of the liquid supply hard pipe, and the other end of the liquid supply hard pipe is in conduction connection with the spray head.
In another specific embodiment, the air-fed spray unit further comprises an anti-drip valve;
and two ends of the anti-dripping valve are respectively communicated and connected with the liquid supply hose and the liquid supply hard pipe.
In another specific embodiment, the air-fed spray unit further comprises a spray head holder;
the spray nozzle support is arranged in the air duct, and the spray nozzle is arranged on the spray nozzle support.
In another specific embodiment, when the hedge wall type planting crops are sprayed, the air duct spraying units are uniformly distributed on two sides of the support along the height direction of the support, and the outlet ends of the air ducts of all the air duct spraying units are arranged away from the support in a vertical direction to the height direction of the support;
when the spindle-type planted crops are sprayed, the air-conveying spraying units are uniformly distributed on two sides of the support along the height direction of the support, the outlet ends of the air ducts of the air-conveying spraying units at the top end of the support are arranged in a downward inclined mode, the sprayed liquid medicine can cover the top end of the spindle-type planted crops, the outlet ends of the air ducts of the air-conveying spraying units at the bottom end of the support are arranged in an upward inclined mode, the sprayed liquid medicine can cover the bottom end of the spindle-type planted crops, and the outlet ends of the air ducts of the other air-conveying spraying units on the support are perpendicular to the height direction of the support and are deviated from the support;
when the field crop is used, the support and the air-supply spraying units are both positioned above the field crop, and the adjacent groups of the air-supply spraying units are obliquely arranged towards the direction close to each other so as to cover the top end of the field crop.
The various embodiments according to the invention can be combined as desired, and the embodiments obtained after these combinations are also within the scope of the invention and are part of the specific embodiments of the invention.
In a specific embodiment of the invention, when the multi-point air-assisted spraying system is used, aiming at different crops, firstly, the pitching angle of the air duct of each air-assisted spraying unit on the vertical plane and the rotation angle of the air duct of each air-assisted spraying unit on the horizontal plane are independently adjusted so as to adapt to the spraying of pesticides on different crops, and further, the penetrability of fog drops is improved; then, the air-conveying spraying unit is started to spray the pesticide along the spray head, the air supply device supplies air to the spraying direction of the pesticide, the air flow stresses the fog drops to move, the air flow can blow the canopy, so that the branches and leaves are stressed to swing, the shielding effect of the branches and leaves is eliminated, the fog drops enter the interior of the canopy under the stress effect of the air flow, the fog drop deposition in the canopy can be increased, and the purpose of reducing the pesticide application amount is achieved. Namely, the spraying of the pesticide into the canopy can be realized on the premise of avoiding the pesticide exceeding the standard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective structural view of an air-assisted spray unit of a multi-point air-assisted spray system provided by the present invention;
FIG. 2 is a schematic view of a partial structure of a multi-point air-assisted spray system according to the present invention;
FIG. 3 is a schematic top view of a part of the multi-point air-assisted spray system according to the present invention;
FIG. 4 is a schematic structural view of the multi-point air-assisted spraying system of the present invention applied to a fence-type crop;
FIG. 5 is a schematic structural diagram of a multi-point air-assisted spraying system applied to spindle-shaped planted crops;
fig. 6 is a schematic structural diagram of the multi-point air-assisted spraying system provided by the invention applied to field crops.
Wherein, in fig. 1-6:
the device comprises a bracket 1, an air supply spraying unit 2, an air duct 201, a spray head 202, a first flange 3, a second flange 4, a pipe clamp 5, a motor 203, a blade 204, a motor bracket 211, a motor shaft 212, a control box 205, a rotating speed adjusting knob 206, a liquid supply hose 207, a liquid supply hard pipe 208, an anti-drip valve 209, a spray head bracket 210, a fence wall type planted crop 6, a spindle type planted crop 7 and a field crop 8.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 6 in the embodiment of the present invention. The present invention may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, wherein directional terms, such as those used below, are used solely to refer to the illustrated structure as it appears in the corresponding drawings.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Further, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, elements, components, and/or groups thereof. The following description is of the preferred embodiment for carrying out the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
As shown in fig. 1-3, the present invention provides a multi-point air-fed spray system comprising a support 1 and a plurality of air-fed spray units 2.
The air-assisted spraying unit 2 comprises an air duct 201, a spray head 202 and an air supply device, wherein the spray head 202 is installed in the air duct 201 and sprays out the pesticide along the outlet end of the air duct 201, and in order to facilitate the spray head 202 to spray out the pesticide, the axis of the spray head 202 is overlapped with the axis of the air duct 201. The air supply device is installed at the inlet end of the air duct 201 and used for supplying air along the spraying direction of the pesticide.
The air ducts 201 of the air supply spraying units 2 are respectively and independently installed on the support 1, the air ducts 201 can be vertically pitched along a vertical surface and can rotate in a horizontal plane along the support 1, and therefore the front and back inclination angles of the air ducts 201 in the horizontal plane can be adjusted.
When the multi-point air-assisted spraying system is used, aiming at different crops, firstly, the pitching angle of the air cylinder 201 of each air-assisted spraying unit 2 on the vertical plane and the rotation angle of the air cylinder 201 on the horizontal plane are independently adjusted so as to adapt to the spraying of pesticides on different crops, and further improve the penetrability of fog drops; then, the air-conveying spraying unit 2 is started to spray the pesticide along the spray head 202, the air supply device supplies air to the pesticide spraying direction, the air flow stresses the fog drops to move, the air flow can blow the canopy, so that the branches and leaves are stressed to swing, the shielding effect of the branches and leaves is eliminated, the fog drops enter the canopy under the stress effect of the air flow, the fog drop deposition in the canopy can be increased, and the purpose of reducing the pesticide application amount is achieved. Namely, the spraying of the pesticide into the canopy can be realized on the premise of avoiding the pesticide exceeding the standard.
In some embodiments, the multi-point air-assisted spraying system further comprises a first flange 3, a second flange 4 and a pipe clamp 5, wherein the first flange 3 is connected with the air duct 201, the second flange 4 is connected with the pipe clamp 5, the first flange 3 and the second flange 4 are detachably connected, and the pitch angle of the air duct 201 along the vertical plane is adjusted by adjusting the installation angle of the first flange 3 and the second flange 4.
The pipe clamp 5 is installed on the vertical rod of the bracket 1, and the front and back inclination angles of the air duct 201 along the horizontal plane are adjusted by rotating the pipe clamp 5.
It should be noted that, the above-mentioned structure is not limited to the adjustment of the pitch angle α of the air duct 201 along the vertical plane, and the adjustment of the front-back inclination angle β of the air duct 201 along the horizontal plane. Other structures may be used to achieve the angular adjustment.
In some embodiments, the air supply device includes a motor 203 and a blade 204, a motor bracket 211 is disposed in the air duct 201, and in particular, the motor bracket 211 is fixed to an outer wall of the air duct 201. The motor 203 is mounted on a motor bracket 211 and the paddle 204 is mounted on a motor shaft 212 of the motor 203. The blades 204 are rotated by the motor 203, thereby generating an air flow.
Further, the invention discloses that the air-assisted spraying unit 2 further comprises a control box 205 in signal connection with the motor 203, and the control box 205 controls the opening and closing of the motor 203. Specifically, the control box 205 is installed at a place convenient for the driver to operate.
Further, the invention discloses that the air supply device further comprises a rotating speed adjusting knob 206 arranged on the control box 205, and the rotating speed adjusting knob 206 is used for adjusting the rotating speed of the motor 203. The rotating speed of the paddle 204 is controlled by adjusting the rotating speed adjusting knob, so that the effect of controlling the air volume is achieved.
Further, the invention discloses that the air-assisted spraying unit 2 further comprises a liquid supply pipeline, one end of the liquid supply pipeline is connected with a liquid supply source for providing liquid medicine, and the other end of the liquid supply pipeline is in conduction connection with the spray head 202. The liquid chemical is supplied to the liquid supply line from the liquid supply source, and is further supplied to the head 202 and discharged.
Specifically, the liquid supply pipeline comprises a liquid supply hose 207 and a liquid supply hard pipe 208, one end of the liquid supply hose 207 is connected with the liquid supply source in a conduction mode, the other end of the liquid supply hose 207 is connected with one end of the liquid supply hard pipe 208, and the other end of the liquid supply hard pipe 208 is connected with the spray head 202 in a conduction mode.
Furthermore, the invention discloses that the air-assisted spraying unit 2 further comprises an anti-dripping valve 209, and two ends of the anti-dripping valve 209 are respectively connected with the liquid supply hose 207 and the liquid supply hard pipe 208 in a conduction manner. The liquid medicine is supplied to the spray head 202 through the liquid supply hose 207, the anti-drop valve 209 and the liquid supply hard tube 208, the liquid medicine is atomized to form fine fog drops, and the air flow generated by the rotation of the paddle 204 forces the fog drops to move towards a target.
Furthermore, the invention discloses that the air-assisted spray unit 2 further comprises a spray head bracket 210, the spray head bracket 210 is arranged in the air duct 201, and the spray head 202 is arranged on the spray head bracket 210.
In some embodiments, different structures of the bracket 1 can be designed for crops with different cultivation modes such as fence wall type, spindle type and the like and field crops 8 with certain height and dense branches and leaves, and the plurality of air-assisted spraying units 2 are fixed on the bracket 1 at certain intervals, heights and angles to form a multi-point air-assisted spraying system so as to adapt to different working environments.
When the hedge wall type crop 6 is sprayed, the air-conveying spraying units 2 are uniformly distributed on two sides of the support 1 along the height direction of the support 1, and the outlet ends of the air cylinders 201 of all the air-conveying spraying units 2 are vertical to the height direction of the support 1 and are arranged away from the support 1, for example, as shown in fig. 4.
When spraying fusiform planting crop 7, wind send spraying unit 2 along the direction of height equipartition in the both sides of support 1, and the wind drum 201 exit end downward sloping setting of wind send spraying unit 2 on the top of support 1, and the top of fusiform planting crop 7 can be covered to the spun liquid medicine, the wind drum 201 exit end upward sloping setting of wind send spraying unit 2 in the bottom of support 1, and the bottom of fusiform planting crop 7 can be covered to the spun liquid medicine, the direction of height that the perpendicular support 1 of wind drum 201 exit end of all the other wind send spraying units 2 that lie in on support 1 deviates from support 1, for example, as shown in fig. 5.
When spraying field crop 8, both the frame 1 and the air-fed spray units 2 are located above the field crop 8, and adjacent sets of air-fed spray units 2 are inclined toward each other to cover the top end of the field crop 8, as shown in fig. 6, for example.
The invention has the following advantages:
(1) the air supply quantity of each air supply spraying unit 2 is independently adjustable, and the accurate matching of the airflow field of a multipoint air supply spraying system and the characteristics (shape, branch and leaf density and the like) of the canopy can be met;
(2) the elevation angle of the air-conveying spraying unit 2 on the vertical plane and the deflection angle of the air-conveying spraying unit 2 on the horizontal plane are adjustable, so that various technical requirements are met;
(3) the air-assisted spraying device can combine a plurality of air-assisted spraying units 2 aiming at different crown shapes and branch and leaf distribution characteristics, and realizes accurate profiling spraying by adjusting the fixed positions, angles, distances between the air-assisted spraying units 2 and a canopy and the like, thereby achieving an optimized air-assisted spraying scheme.
It should be noted that, in the present specification, words indicating orientation, such as upper, lower, left, right, front, rear, etc., are set in the direction of fig. 1, and have no other specific meanings for convenience of description.
It is further 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 an 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 article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the core concepts of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A multi-point air-assisted spraying system is characterized by comprising a bracket and a plurality of air-assisted spraying units;
the air-feeding spraying unit comprises an air cylinder, a spray head and an air supply device, wherein the spray head is arranged in the air cylinder and sprays out the pesticide along the outlet end of the air cylinder, and the air supply device is arranged at the inlet end of the air cylinder and is used for supplying air along the spraying direction of the pesticide;
the air ducts of the air supply spraying units are respectively and independently installed on the support, can be vertically tilted along a vertical surface and can rotate in a horizontal plane along the support.
2. The multi-point air-assisted spray system of claim 1, further comprising a first flange, a second flange, and a pipe clamp;
the first flange is connected with the air duct, the second flange is connected with the pipe clamp, the first flange and the second flange are detachably connected, and the pitching angle of the air duct along the vertical surface is adjusted by adjusting the installation angle of the first flange and the second flange;
the pipe clamp is installed on the vertical rod of the support, and the front and back inclination angles of the air duct along the horizontal plane are adjusted by rotating the pipe clamp.
3. The multi-point air-assisted spray system of claim 1, wherein the air supply comprises a motor and a paddle;
the fan is characterized in that a motor support is arranged in the air duct, the motor is installed on the motor support, and the blades are installed on a motor shaft of the motor.
4. The multi-point air-fed spray system of claim 3, wherein the air-fed spray unit further comprises a control box in signal connection with the motor;
the control box controls the opening and closing of the motor.
5. The multi-point air-fed spray system of claim 4, wherein the air supply further comprises a speed adjustment knob disposed on the control box, the speed adjustment knob being configured to adjust a speed of the motor.
6. The multi-point air-assisted spraying system according to claim 5, wherein the air-assisted spraying unit further comprises a liquid supply pipeline, one end of the liquid supply pipeline is connected with a liquid supply source for supplying liquid medicine, and the other end of the liquid supply pipeline is in conduction connection with the spray head.
7. The multi-point air-assisted spray system of claim 6, wherein the liquid supply line comprises a liquid supply hose and a liquid supply hard tube;
one end of the liquid supply hose is in conduction connection with the liquid supply source, the other end of the liquid supply hose is connected with one end of the liquid supply hard pipe, and the other end of the liquid supply hard pipe is in conduction connection with the spray head.
8. The multi-point air-fed spray system of claim 7, wherein the air-fed spray unit further comprises an anti-drip valve;
and two ends of the anti-dripping valve are respectively communicated and connected with the liquid supply hose and the liquid supply hard pipe.
9. The multi-point air-fed spray system of claim 1, wherein the air-fed spray unit further comprises a spray head holder;
the spray nozzle support is arranged in the air duct, and the spray nozzle is arranged on the spray nozzle support.
10. The multi-point air-assisted spraying system according to any one of claims 1 to 9, wherein when the system is used for spraying fence-type crops, the air-assisted spraying units are uniformly distributed on two sides of the support along the height direction of the support, and the outlet ends of the air ducts of all the air-assisted spraying units are arranged away from the support in a direction vertical to the height direction of the support;
when the spindle-type planted crops are sprayed, the air-conveying spraying units are uniformly distributed on two sides of the support along the height direction of the support, the outlet ends of the air ducts of the air-conveying spraying units at the top end of the support are arranged in a downward inclined mode, the sprayed liquid medicine can cover the top end of the spindle-type planted crops, the outlet ends of the air ducts of the air-conveying spraying units at the bottom end of the support are arranged in an upward inclined mode, the sprayed liquid medicine can cover the bottom end of the spindle-type planted crops, and the outlet ends of the air ducts of the other air-conveying spraying units on the support are perpendicular to the height direction of the support and are deviated from the support;
when the field crop is used, the support and the air-supply spraying units are both positioned above the field crop, and the adjacent groups of the air-supply spraying units are obliquely arranged towards the direction close to each other so as to cover the top end of the field crop.
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| CN202011040203.5A CN112042625A (en) | 2020-09-28 | 2020-09-28 | Multi-point air-assisted spraying system |
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| KR101998686B1 (en) * | 2019-01-18 | 2019-10-02 | 이희동 | Sprayer for chemical liquid application |
| CN109757458A (en) * | 2019-01-31 | 2019-05-17 | 华南农业大学 | A kind of windy manage-style send profile modeling spray machine |
| CN111084172A (en) * | 2020-01-09 | 2020-05-01 | 中国农业大学 | Device and method for automatically adjusting spray air volume based on volume of crown canopy |
| CN212971397U (en) * | 2020-09-28 | 2021-04-16 | 中国农业大学 | Multi-point air-assisted spraying system |
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