Side-tilting prewarning method and system for chemical spraying machine

Abstract

The invention discloses a side-tilting prewarning method and system for a chemical spraying machine. The method comprises steps as follows: S1: operation attitude information of the chemical spraying machine is acquired, and a transverse LTR (load transfer rate) of the chemical spraying machine is calculated according to the operation attitude information; S2: the transverse LTR is corrected according to the quantity of liquid chemicals in a liquid storage tank of the chemical spraying machine, and a corrected transverse LTR' is obtained; S3, whether the corrected transverse LTR' is in a preset alarm threshold value range is judged, if the answer is positive, warning information is sent out, and otherwise, the step S1 is performed again. According to the side-tilting prewarning method and system for the chemical spraying machine, the real-time motion state of the chemical spraying machine is acquired, the operation state type of the chemical spraying machine is judged, a side-tilting prewarning value is calculated and then corrected, and the accuracy of the prewarning value is improved; the corrected prewarning value is compared with a preset prewarning threshold value range, whether a sound-light alarm is sent to a driver through a prewarning module is judged, and the purpose of preventing a side-tilting accident is achieved.

Description

technical field [0001] The invention belongs to the technical field of safety, and in particular relates to a method and a system for early warning of side tilting of a spraying machine. Background technique [0002] The hazards of rollover accidents of self-propelled agricultural equipment have attracted enough attention from the society. At present, the anti-rollover protection system commonly used abroad can only play a role in passive protection of equipment, and cannot fundamentally prevent accidents from happening. According to statistics, about 30,000 people around the world are injured or even die every year due to agricultural equipment rollover accidents. Among the agricultural equipment that had accidents, self-propelled agricultural equipment was the main one, and the main reasons for its rollover included making an emergency turn on the ground with a large slope, hitting ground obstacles, or pulling inappropriate work tools, etc. In addition, because the operat...

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Problems solved by technology

In addition, because the operator's main energy is concentrated on the monitoring of the quality of the operation process itself, the safety of the operation process is often ignored, so that the rollover accident rate of agricultural equipment remains high

[0003] The self-propelled spraying machine with high ground clearance has the characteristics of high center of mass, large center of mass change, and complex operating environment. When driving at high speed or turning on a slope, the center of mass of the body will shift greatly due to the inertial force of the built-in liquid storage tank, which is easy rollover or rollover accident

The existing early warning methods and devices for road vehicles or construction machinery are difficult to be directly applied to self-propelled agricultural equipment such as high ground clearance sprayers with high center of mass, frequent changes in center of mass, and variable operating conditions.

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