Spraying system and plant protection unmanned aerial vehicle

A plant protection drone and spraying system technology, which is applied to aircraft parts, transportation and packaging, devices for catching or killing insects, etc., can solve problems such as the inability to guarantee the amount of spraying, calibration, and adverse effects of operations, and achieve accurate The effects of spraying operations, increasing spraying flow, improving spraying accuracy and spraying uniformity

Active Publication Date: 2020-03-10
SZ DJI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, there is also a very important point. During the operation of the plant protection drone, there are high requirements for the spraying flow accuracy of the nozzles on both sides of the fuselage. Get an even amount of spray
However, the existing spraying system usually cannot individually adjust the difference in the spraying flow rate of the nozzles on both sides of the fuselage, resulting in poor control accuracy of the spraying flow rate of the nozzles on both sides of the fuselage, which cannot meet the needs of precise operations. If the existing spraying system deviates, Calibration cannot be performed, and it may even cause adverse effects on the work.

Method used

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  • Spraying system and plant protection unmanned aerial vehicle
  • Spraying system and plant protection unmanned aerial vehicle
  • Spraying system and plant protection unmanned aerial vehicle

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Such as Figure 1 to Figure 4 As shown, a flow meter 11 is provided between the liquid outlet of the liquid storage tank 10 and the water separator 12. The flow meter 11 detects the actual flow rate of the water pump 13 when the single water pump 13 is turned on, so that the flow rate and The actual flow is compared to calibrate the output flow of the water pump 13 .

[0027] Specifically, before the plant protection UAV performs the spraying operation, the flow meter 11 is used to calibrate the output flow of each water pump 13 of the spraying system, so as to ensure that the spraying flows of the nozzles on both sides of the spraying system are consistent. During the specific calibration operation, One of the water pumps 13 can be turned on separately first, and the actual flow through the water pump 13 is detected by the flow meter 11, and then the reference flow input by the user is compared with the actual flow actually detected by the flow meter 11, if the differe...

Embodiment 2

[0034] The water inlet pipe, water inlet, water outlet or water outlet pipe of each water pump 13 is provided with a flow meter 11, and the flow meter 11 detects the actual flow of the water pump 13 flowing through the corresponding water pump 13 when the water pump 13 is turned on. The output flow of the water pump 13 is calibrated by comparing the flow with the actual flow.

[0035]Specifically, before the plant protection drone performs the spraying operation, the flow meter 11 is used to calibrate the output flow of each water pump 13 of the spraying system to ensure that the spraying flow of the nozzles on both sides is consistent during the spraying operation. During the specific calibration operation, The flow meter 11 can be used to detect the actual flow of the corresponding water pump 13, and then compare the reference flow input by the user with the actual flow detected by the flow meter 11. If the difference between the two is within the preset range, then Indicate...

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Abstract

Provided are a spraying system and a plant protection unmanned aerial vehicle. The plant protection unmanned aerial vehicle comprises a vehicle body, a vehicle head and a plurality of vehicle arms (16) connected with the vehicle body. A spraying system comprises a liquid storage tank (10), a water distributor (12), a water pump (13), a liquid pipe (14) and a spray head (15); a liquid outlet of theliquid storage tank (10) is connected with a plurality of water pumps (13) through a water segregator (12), a water outlet of each water pump (13) is connected with a plurality of spray heads (15) through a liquid pipe (14), and the spray heads (15) connected with the same water pump (13) are all located on the machine arm (16) on the same side or on the same machine arm (16). According to the spraying system, the spraying width and the whole spraying flow can be effectively increased, calibration and adjustment of the spraying flow of the single-side spray head of the spraying system can beachieved, then the spraying precision and the spraying uniformity are improved, and the requirement for precise spraying operation of the plant protection unmanned aerial vehicle is met.

Description

technical field [0001] The invention relates to the field of unmanned aerial vehicles, and more specifically, relates to a spraying system and a plant protection unmanned aerial vehicle. Background technique [0002] In recent years, due to its high operating efficiency, good terrain adaptability, less water consumption, low operating cost, and easy transition operations, UAV plant protection operations have been welcomed by the public and developed rapidly; one of the core systems is the spraying system. Due to the limited flight time of drones, the demand for operational efficiency and large flow is becoming more and more urgent. To improve operational efficiency, it is necessary to increase the spray width and the spray flow of the whole machine. At the same time, there is also a very important point. During the operation of the plant protection drone, there are high requirements for the spraying flow accuracy of the nozzles on both sides of the fuselage. Get an even amo...

Claims

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Application Information

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IPC IPC(8): A01M7/00B64D1/18
CPCA01M7/0089A01M7/005A01M7/0032B64D1/18A01M7/00
Inventor 周乐于云冯建刚吴晓龙石雄飞
Owner SZ DJI TECH CO LTD
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