Hands-Free Waste Food Machine Door Control for Hygienic Loading
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Solution Overview
Problem
Existing waste food machines require manual door operation, which is inconvenient, poses hygiene risks, and decreases productivity due to the need for direct human interaction.
Innovation Solution
A waste food processing machine equipped with a housing, an enclosed drum, and a hands-free switch that activates a door opening mechanism, allowing users to open and close the door without using their hands, using either a foot-operated or bump switch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual door operation is used, then the machine structure is simple, but hygiene is compromised and productivity decreases
Solution Approach 1:
The patent replaces manual mechanical door operation with an automated door opening mechanism controlled by a hands-free switch. The switch sends a signal to a control system that activates a motor or hydraulic piston to open the door, eliminating the need for manual contact with the door while maintaining operational simplicity.
Solution Approach 2:
The door opening mechanism operates autonomously upon receiving a signal from the hands-free switch. The control system automatically activates the motor or hydraulic piston without requiring manual intervention, allowing the machine to serve itself by opening the door when waste food is inserted.
2Object-affected harmful factors
If hands-free switch and automated door mechanism are added, then hygiene is improved, but device complexity increases
Solution Approach 1:
The hands-free switch acts as an intermediary device that detects the operator's approach or action and transmits a signal to the control system. This intermediary mechanism enables automatic door opening without requiring direct hand contact with the door or machine interior, thereby reducing contamination risk while adding minimal complexity.
3Productivity
If manual door operation is used, then the machine is simple to operate, but productivity is reduced due to hand occupancy
Solution Approach 1:
The patent introduces a new dimension of operation by using a hands-free switch that can be activated by foot or body movement rather than hand movement. This allows the operator to maintain hand occupancy for carrying and inserting waste food while simultaneously controlling the door opening through alternative body movements, thereby improving productivity without sacrificing ease of operation.
Data Source
AI summary
A waste food processing machine provides hands-free operation for improved hygiene and convenience, particularly where minimizing contact with surfaces is essential. The machine incorporates a control system coupled with a door opening mechanism and features a hands-free switch—such as a foot-operated or bump switch—that allows users to open and close the machine door without using their hands. The hands-free switch, mounted on the machine's chassis, sends activation signals to the control system to engage the door opening mechanism, which could be an electric motor or a hydraulic pump. This mechanism enables the access door to the drum to open or close. Should the switch be activated while the door is in motion, the door halts and can reverse its movement with subsequent activations.