Replaceable Liquid Subsystem for Unmanned Spraying Vehicles
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Solution Overview
Problem
Current spraying devices for chemical treatment on unmanned vehicles face issues with personnel safety due to hazardous liquid exposure, unstable center of gravity, and non-replaceable liquid subsystems, leading to unreliable and complex maintenance processes.
Innovation Solution
A replaceable liquid subsystem with a hermetic reservoir, contactless tag for tracking, and integrated pumping chambers, along with automated refilling and safety features to prevent liquid splashing and personnel contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a statically assembled liquid subsystem is used in spraying devices for unmanned vehicles, then the structural integrity is maintained, but the device complexity increases and maintenance becomes complicated
Solution Approach 1:
The liquid subsystem is divided into separate modular components: a removable reservoir, connecting hoses, filters, and spraying units. Each component can be independently replaced without affecting the entire system, reducing maintenance complexity while maintaining structural integrity during operation.
Solution Approach 2:
The liquid subsystem transitions from a static assembly to a dynamic, reconfigurable system where components can be quickly connected and disconnected. The reservoir can be removed and replaced during operation, and the system adapts to different liquid volumes and types through modular reconfiguration.
2Duration of action of moving object
If liquid is stored in a large fixed volume reservoir, then the spraying duration is extended, but the center of gravity becomes unstable causing vehicle swinging
Solution Approach 1:
The reservoir volume is made dynamically adjustable rather than fixed. The system can adapt the liquid storage volume to match the actual spraying requirements, preventing excessive weight that would cause center of gravity instability and vehicle swinging, while still extending spraying duration when needed.
Solution Approach 2:
The system changes the parameter of liquid volume stored in the reservoir based on operational needs. By adjusting the reservoir volume parameter, the system optimizes both spraying duration and vehicle stability, preventing the center of gravity from shifting during operation.
3Ease of manufacture
If a non-replaceable liquid subsystem is used, then the manufacturing cost is reduced, but the reliability and safety decrease due to inability to track service life
Solution Approach 1:
The liquid subsystem is segmented into replaceable components with unique identifiers. Each component can be tracked individually through its service life, and replacement parts can be manufactured using standardized processes, maintaining reliability while controlling manufacturing costs through modular production.
Solution Approach 2:
The system incorporates tracking mechanisms for each replaceable component's service life and usage history. This feedback information allows the system to monitor component condition and reliability, ensuring safe operation while enabling cost-effective replacement strategies.
4Device complexity
If liquid hoses and components remain in the spraying device after use, then the device complexity is reduced, but harmful factors increase due to residual liquid and vapour damage
Solution Approach 1:
The liquid subsystem components including hoses, filters, and spraying units are designed to be completely removed from the main device body after use. This extraction prevents residual liquid and vapour from damaging the device structure, while the modular design keeps the system simple through standardized connection interfaces.
Solution Approach 2:
The system enables easy discarding of used liquid subsystem components after they have served their purpose. The modular design allows complete removal and disposal of contaminated components, preventing harmful residues from remaining in the device, while recovered components can be replaced through standardized procedures.
Data Source
AI summary
The invention is intended for the organization of an automated process for spraying of liquid means of chemical treatment from unmanned vehicles, for example, in precise farming systems. The invention provides the use of a replaceable, marked and hermetically sealed liquid subsystem with integrated pumping chambers in a spraying device together with an integrated self-diagnosis system allowing to ensure personnel safety and the accounting of the resources of main components of the spraying device. All this in combination enables to create fully automated spraying systems.