Standalone Waste Compactor Solar Hybrid Energy
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Solution Overview
Problem
Existing waste bin compactors require specialized equipment for rubbish collection, posing health and safety risks, and solar-powered bins often overflow due to insufficient energy from solar panels.
Innovation Solution
A standalone waste compactor using standard commercial wheeled bins, powered primarily by solar energy with mechanical energy supplementation, featuring a dual locking system, extendable sideguards, and an ultrasonic sensor for capacity monitoring, along with remote communication for efficient operation and safety features like bomb detection and fire extinguisher integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If solar panels are used to power the waste compactor, then energy consumption is reduced and environmental friendliness is improved, but the energy generated is insufficient leading to bin overflow
Solution Approach 1:
The patent combines solar power units with alternative energy sources (foot pedal mechanism, compaction assist spring) to create a hybrid energy system. This merging of multiple energy sources ensures sufficient power for compaction operations while maintaining environmental benefits and reducing reliance on any single energy source.
Solution Approach 2:
The foot pedal mechanism allows users to manually generate mechanical energy to supplement solar power. This self-service approach enables the system to produce its own additional energy when solar generation is insufficient, preventing bin overflow without requiring external power sources.
2Productivity
If specialized equipment is used for rubbish collection, then compaction efficiency is improved, but health and safety risks increase due to manual handling
Solution Approach 1:
The patent designs the compaction device to work with standard commercial wheeled bins, making the equipment universal. This allows existing bin lifting equipment to be used for collection, eliminating the need for specialized collection equipment while maintaining compaction efficiency and reducing health and safety risks associated with manual handling.
3Ease of operation
If a simple lock system is used on the access flap, then ease of operation is improved, but safety and security are compromised
Solution Approach 1:
The locking system is segmented into two independent components: an electronic lock system for controlled access and a mechanical lock system for physical security. This segmentation allows each lock type to perform its specific function optimally while maintaining ease of operation through the electronic interface and ensuring reliability through the mechanical backup.
Solution Approach 2:
The control unit acts as an intermediary between the electronic lock system and the mechanical lock system, coordinating their operation. The electronic system manages access control while the mechanical system provides physical security, with the controller mediating between them to ensure both safety and ease of operation.
4Productivity
If the bin capacity is increased to reduce collection frequency, then productivity is improved, but the bin becomes more difficult to empty and handle
Solution Approach 1:
The patent replaces manual bin handling with automated compaction technology. The compaction device mechanically compresses waste within the bin, increasing capacity without requiring larger or more difficult-to-handle bins. Standard commercial wheeled bins remain usable with existing lifting equipment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Eliminates manual handling risks, ensures consistent waste collection without specialized equipment, reduces overflow issues through efficient energy management and enhanced safety features, and optimizes compaction efficiency while minimizing energy consumption.
Implementation Method 1
a polycarbonate cover with a photovoltaic unit mounted beneath it the photovoltaic unit connected to the storage battery
Implementation Method 2
an ultrasonic sensor unit, and an 'intelligent fuel gauge'. Preferably the ultrasonic sensor unit determines when maximum capacity has been reached in the removable bin
Data Source
Figure 1~2
Figure 3(a)~3(f)
Figure 4(a)~5
AI summary
A standalone waste compacting device comprises an enclosure (2) comprising a removable bin; a cover section on the enclosure (2) incorporating at least one solar power unit (3); at least one storage battery and control unit; at least one inwardly pivoting user access flap (5) comprising a dual locking control mechanism; at least one recessed foot pedal (7) mechanism for opening the access flap (5); a detachable independent compaction unit comprising a scissor linkage and lever linkage system; and at least one service access means.