A sprayer based on magnetorheological fluid
A magneto-rheological fluid and sprayer technology, which is applied to devices for capturing or killing insects, animal husbandry, launching devices, etc., can solve problems affecting atomization characteristics, achieve the effect of improving atomization characteristics and improving operating efficiency
Active Publication Date: 2019-09-10
SOUTH CHINA AGRI UNIV
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Problems solved by technology
However, the pulse width modulation speed regulation for the diaphragm pump motor is to change the on and off time of the diaphragm pump motor by changing the PWM duty cycle when the DC power supply voltage remains constant, thereby adjusting the average of the diaphragm pump motor. Voltage, which makes the adjustment of the liquid flow into the nozzle in variable spray operation not a completely continuous process, therefore, it will affect the atomization characteristics
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[0026] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0027] see Figure 1 to Figure 4 , a magneto-rheological fluid-based sprayer according to a preferred embodiment of the present invention includes a housing 1, a nozzle assembly 2, a magnetic field generating device 3 and an elastic chamber 4, wherein the housing 1 is provided with a liquid inlet 14 and The liquid outlet 15, the liquid inlet 14 can be communicated with the infusion pipe, so that the liquid used for the spraying operation of the drone can be transported into the housing 1; the elastic cavity 4 is arranged in the housing 1 A liquid circulation channel 5 is formed inside and between the housing 1, and the liquid circulation channel 5 communicates with the liquid inlet 14 and the liquid outlet 15 respectively, so that the liquid enters along the liquid inlet...
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The invention discloses a sprayer based on a magnetorheological fluid. The sprayer comprises a shell, a nozzle assembly, a magnetic field generation device and an elastic chamber containing a magnetorheological fluid inside; a liquid inlet and liquid outlets are arranged at the shell; the elastic chamber is arranged inside the shell and a liquid circulation channel is formed between the elastic chamber and the shell; the liquid circulation channel separately communicates with the liquid inlet and the liquid outlets; the nozzle assembly is arranged on the shell and contains spraying nozzles which communicate with the liquid outlets; the magnetic field generation device is equipped with coils which are arranged inside the shell and a control assembly which is in electric connection with the coils; and the control assembly is used to control the coils for generation of different magnetic field intensity. The sprayer provided by the invention can realize continuous adjustment of liquid flow, so as to improve the atomization characteristic and increase the working efficiency of variable spraying.
Description
technical field [0001] The invention relates to the technical field of nebulizers, in particular to a nebulizer based on magnetorheological fluid. Background technique [0002] A sprayer is a device that uses air suction to turn a potion or other liquid into a mist and sprays it evenly on other objects. It is usually composed of compressed air devices, thin tubes and nozzles. It has been widely used in agricultural plant protection. spraying operation. [0003] Traditional agricultural plant protection sprayers are mainly divided into pressure sprayers, centrifugal sprayers, swirl sprayers, electrostatic sprayers, ultrasonic atomization sprayers, bubble anti-drift sprayers, etc. Among them, pressure sprayer and centrifugal sprayer are the most commonly used. The pressure sprayer mainly achieves the effect of atomization by generating high pressure at the outlet of the nozzle. It has a simple structure and low cost, so it is widely used. The centrifugal sprayer throws the ...
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IPC IPC(8): A01M7/00B64D1/18
Inventor 兰玉彬黄晓宇尹选春姚伟祥索高宇陈鹏超王林琳岳昌全
Owner SOUTH CHINA AGRI UNIV