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Intelligent PWM (pulse-width modulation) intermittent spray type variable spraying controller

A controller and spray-type technology, which is applied in the direction of comprehensive factory control, electrical program control, devices for capturing or killing insects, etc., can solve the problems of poor uniformity of deposition distribution and easy occurrence of spray leakage, etc., to improve coverage and effective Conducive to the effect of reducing the pressure and the range of changes

Inactive Publication Date: 2013-06-19
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the defects of relatively poor deposition distribution uniformity and prone to missed spraying in the prior art, the present invention provides an intelligent PWM intermittent spraying variable spraying controller

Method used

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  • Intelligent PWM (pulse-width modulation) intermittent spray type variable spraying controller
  • Intelligent PWM (pulse-width modulation) intermittent spray type variable spraying controller

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Embodiment Construction

[0020] The variable spraying controller is further described in conjunction with the accompanying drawings and embodiments.

[0021] Such as figure 1 As shown, the intelligent PWM intermittent spray variable spraying controller consists of the controller main board (25), PWM component A (14), PWM component B (15), communication interface (39), man-machine dialogue interface (40) , man-machine dialogue device (41), solenoid valve drive circuit (35), analog signal output channel (36), pressure flow detection device (38), vehicle speed detection device (37), power supply (34) and inverter (13) Composition; communication interface (39), man-machine dialogue interface (40), PWM component A (14) and PWM component B (15) are set in the main board of the controller; analog signal output channel (36), vehicle speed detection device (37 ), the pressure flow detection device (38), and the power supply (34) are respectively connected to the controller main board (25); the man-machine dia...

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PUM

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Abstract

The invention discloses an intelligent PWM (pulse-width modulation) intermittent spray type variable spraying controller. The variable spraying controller comprises a controller mother board, a power supply, an inverter, an electromagnetic valve driving circuit, an analog signal output channel, a vehicle speed detection device, a pressure flow detection device and a man-machine interaction device. A microcontroller with a PWM signal output function serves as a main control chip, various functional modules are combined, a sensor signal is acquired, spray rod pressure is rapidly and stably controlled, and multipath PWM signals are outputted. The controller has a stand-alone operating mode and an online operating mode, operating parameters are manually inputted through a man-machine interaction interface in the stand-alone mode, and the operating parameters are set by an upper computer in a communication manner in the online mode. The spraying controller is simple in system structure, high in applicability and applicable to accurate variable spraying of pesticides and liquid fertilizers, and independent variable spraying of a plurality of sprayers can be realized.

Description

technical field [0001] The invention relates to an intelligent variable spraying controller, specifically an intelligent pulse width modulation PWM intermittent spray variable variable spraying controller, which belongs to the field of intelligent agricultural machinery. Background technique [0002] Variable spraying means that the pesticide equipment prepares to spray the required amount of pesticides to the disaster-stricken area according to the specific conditions of crop diseases, insect pests and weeds in each small area of ​​the farmland, and sprays pesticides on demand according to the specific conditions of each area. Variable-variable spraying control mainly has three realization methods: variable pressure type, variable injection type of pesticide stock solution and PWM (pulse width modulation) type. The variable pressure type realizes the change of the spray flow rate by adjusting the spray pressure; the variable injection type of pesticide stock solution realiz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418A01M7/00
Inventor 魏新华吴姝
Owner JIANGSU UNIV
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