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Pump assembly, spraying system, mobile device and spraying method

A technology for spraying systems and pump components, which is applied to pump components, components of pumping devices for elastic fluids, launch devices, etc., which can solve problems such as increased labor costs, waste of liquid medicine, and easy entry of air into pipelines, and reduce The effect of reducing labor costs, improving the efficiency of pressure relief, and avoiding the waste of liquid medicine

Inactive Publication Date: 2022-05-31
SZ DJI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, for pluggable water tanks, that is, water tanks that can be detached from mobile platforms such as drones, each time the water tank is plugged and unplugged, it is easy for air to enter the pipes of the sprinkler system.
When there is air in the pipeline of the sprinkler system, especially in the pump chamber, the outlet pressure of the sprinkler system is difficult to reach the above pressure threshold, so that the pressure relief valve cannot be pushed back to exhaust
At this time, it is necessary to manually open the pressure relief valve on each nozzle to discharge the gas in the spraying system, which not only takes time and effort, but also increases the labor cost; moreover, because it is difficult to judge when the exhaust is completed, it is usually necessary to wait for the liquid to be sprayed out Then close the pressure relief valve, the spray volume is uncontrollable, resulting in waste of liquid medicine

Method used

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  • Pump assembly, spraying system, mobile device and spraying method
  • Pump assembly, spraying system, mobile device and spraying method
  • Pump assembly, spraying system, mobile device and spraying method

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Embodiment Construction

[0047] The flow charts shown in the accompanying drawings are for illustrative purposes only, and do not necessarily include all contents and operations / steps, nor do

[0048] Below in conjunction with the accompanying drawings, some embodiments of the application are described in detail. Without conflict, the following

[0050] The following description will be given by taking the movable platform 20 being an agricultural drone and the spraying liquid being a medicinal liquid as an example. understandable,

[0052] Wherein, the number of the nozzle assembly 300 is at least one, can be one, two, three, four or more, the present

[0053] Please refer to FIG. 2, specifically, the spray system 10 further includes a mounting bracket 500. The liquid supply tank 200 and the nozzle assembly 300 are provided

[0056] When the spraying operation is required, the pressure switch 600 is operated to make the spray head assembly 300 be in a dripping working state, at this time

[0066] Pleas...

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Abstract

A pump assembly (100), a spraying system (10), a mobile device (1000) and a spraying method. The pump assembly (100) includes a water pump device (110), a liquid distributor (120), and a pressure relief mechanism (130), and the liquid distributor (120) includes liquid outlet pipes (121) equal in number to the water pump device (110). And at least one liquid inlet pipe (122), the liquid inlet pipe (122) communicates with the liquid supply tank (200) of the spraying system, and the liquid outlet pipe (121) communicates between the liquid inlet pipe (122) and the water pump device (110) , used to guide the liquid in the liquid supply tank (200) to the water pump device; the liquid distributor (120) is provided with a pressure relief port (140), and the pressure relief mechanism (130) is operated to open or close the pressure relief The port (140), when the pressure relief port (140) is opened, the gas in the pump assembly (100) can be discharged through the pressure relief port (140). The pump assembly can avoid liquid medicine waste and reduce labor costs.

Description

Pump assembly, spray system, mobile device and spray method technical field The application relates to the technical field of pump assembly equipment, in particular to a pump assembly, spraying system, moving device and spraying Sprinkle method. Background technique [0002] With the continuous improvement of environmental protection requirements, people have higher and higher requirements for drip-proofing when the spraying system is stopped. Depend on Due to the effect of gravity, when the existing spraying system stops spraying, the spray head usually has liquid dripping out, that is, there is a leakage problem. The waste of liquid medicine also pollutes the environment. In order to solve the problem of dripping from the nozzle after the nozzle is stopped, it is usually Set a normally closed pressure switch, namely the pressure relief valve, when the outlet pressure of the spraying system is greater than the pressure threshold, the spraying system Carry out spra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01M7/00F04B53/06A01G25/16A01G25/09B64D1/18B64C39/02
CPCA01M7/0042A01M7/005A01M7/0082A01M7/0089A01G25/09A01G25/16F04B53/06B64D1/18B64C39/02B64U2101/00
Inventor 舒展周乐周万仁
Owner SZ DJI TECH CO LTD
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