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Self-balancing spray boom spraying machine

A boom spraying and self-balancing technology, which is applied in the direction of spraying devices, liquid spraying devices, devices for catching or killing insects, etc., can solve the problems of limited balancing effect and achieve the effect of improving horizontal stiffness

Active Publication Date: 2012-07-04
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the boom sprayer is working, the external environment and the system parameters of the boom sprayer itself are time-varying parameters, and the balancing effect of the mechanical self-balancing device alone is often very limited

Method used

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  • Self-balancing spray boom spraying machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0040] Embodiment 1 such as Figure 5 As shown, it consists of two sensors, a digital transmitter, a processor, a proportional controller, and a proportional reversing valve. The sensor is an inclination sensor, which is used to test the horizontal angle of the spray boom; the digital transmitter combines the signals of the two sensors and converts them into digital signals; the processor accepts the digital signals of the digital transmitter to process the data, and Output control information; the control information output by the processor is amplified by the proportional controller and converted into the opening degree information of the proportional reversing valve. Realize the pose control of the spray boom.

Embodiment approach 2

[0041] Embodiment 2 such as Figure 6 As shown, the feedback control system is composed of two sensors, an analog transmitter, a proportional controller, and a proportional reversing valve. The sensor is an inclination sensor, which is used to test the horizontal angle of the spray boom; the analog transmitter can combine and amplify the signals of the two sensors into an appropriate analog quantity, which can be a voltage signal or a current signal; the analog signal As the analog control input signal of the proportional controller; the proportional controller amplifies the analog control signal and controls the opening of the proportional reversing valve to realize the posture control of the spray boom.

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Abstract

The invention relates to a self-balancing spray boom spraying machine belonging to the field of plant protection spraying machinery. The self-balancing spray boom spraying machine provided by the invention comprises a mechanism part and a control part, wherein the mechanism part is composed of a walking chassis, a spraying machine main body, a moving rack, a spray boom, a static hydraulic cylinder, a movable hydraulic cylinder and the like; the position and orientation adjustment on a spray boom is realized by the moving rack, the static hydraulic cylinder and the movable hydraulic cylinder together; the spray boom is L-shaped in the length direction, the horizontal rigidity of the spray boom is improved greatly while the vertical rigidity of the spray boom is ensured, and simultaneously the L-shaped structure is good for realizing air-curtain type spraying and targeting type spraying; and the control part is composed of a level sensor, a digital transmitter / an analog transducer, a processor, a proportional controller and a proportional reversing valve. According to the invention, the position and orientation of the spray boom can be detected in real time when the constructed self-balancing spray boom spraying machine operates, the real-time compensation can be carried out, and the elastic deformation and rigid motion of the spray boom can be reduced greatly, thus the spray uniformity can be improved.

Description

Technical field: [0001] The invention relates to a self-balancing boom sprayer, which belongs to the field of plant protection spraying machinery. Background technique [0002] Due to the advantages of quick effect and high efficiency of chemical control, it has and will still become the main means of agricultural pest control in the foreseeable future. However, due to pesticide residues caused by chemical control, environmental pollution, economics and the health of pesticide applicators, people hope to increase the efficiency of pesticide use as much as possible to reduce the amount of pesticide application under the premise of ensuring the effect of pest control. Therefore, the boom sprayer with the potential to meet the above needs has become a research hotspot and has been widely used in the world due to its advantages of high efficiency, speed, controllability and automation. [0003] The distinguishing feature of the boom sprayer is its long boom. When a rigid conn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B15/06B05B9/00A01M7/00
Inventor 邱白晶杨宁吴春笃徐溪超陈志刚姜国微
Owner JIANGSU UNIV
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