Heating Wire Sealing Control for Smart Trash Bag Fusion-Cutting
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Solution Overview
Problem
Conventional smart trash receptacles lack effective means for automatic trash bagging, leading to inadequate sealing quality, reliability, and increased control complexity, with existing semi-automatic systems being cumbersome and inefficient.
Innovation Solution
A heat fusing device with a heating wire connected to a heat-fusing circuit, integrated into a smart trash receptacle, capable of thermoplastic sealing and thermal fusion-cutting, utilizing a heat-resistant ceramic base with anti-adhesion coating and a control module for precise temperature control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thermoplastic sealing means are used to seal trash bags, then sealing capability is improved, but device complexity and spatial requirements increase
Solution Approach 1:
The patent combines sealing and cutting functions into a single heating wire component. The heating wire simultaneously performs thermoplastic sealing of the trash bag opening and cutting of the bag material, eliminating the need for separate sealing and cutting mechanisms. This merging of functions directly reduces device complexity while maintaining sealing capability.
Solution Approach 2:
The heating wire is designed as a multi-functional element that performs multiple operations: sealing the trash bag, cutting the bag, and preventing adhesion through its specific material properties. This universal component replaces what would traditionally require multiple specialized devices, thereby reducing overall system complexity.
2Extent of automation
If heating wire is used for fusion-cutting and thermoplastic sealing, then automatic bagging capability is improved, but temperature control precision is challenged
Solution Approach 1:
The patent incorporates a temperature sensor that continuously monitors the heating wire's temperature and provides feedback to the control module. The control module adjusts the heating power based on this feedback to maintain the desired temperature range, ensuring precise temperature control during automatic bagging operations. This closed-loop control system enables reliable automation while maintaining temperature precision.
Solution Approach 2:
The system dynamically changes the heating parameter (power level) based on operational requirements. The control module adjusts the heating wire's temperature parameters in real-time during the bagging process, transitioning between different temperature states to achieve sealing, cutting, and adhesion prevention functions with precise control.
3Productivity
If heating wire is placed in direct contact with trash bag, then sealing efficiency is improved, but adhesion problems occur
Solution Approach 1:
The heating wire is designed with non-stick properties specifically at the regions that contact the trash bag during sealing and cutting operations. This local quality modification ensures that while the wire maintains sufficient thermal contact for efficient sealing, it prevents harmful adhesion of the plastic bag material to the wire surface, enabling continuous operation without sticking problems.
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
The solution enables reliable and efficient automatic bagging with improved sealing quality, reduced control complexity, and increased system stability, addressing the limitations of conventional systems by allowing thermoplastic sealing and thermal fusion-cutting within a single action.
Implementation Method 1
a heating wire (44) for fusion-cutting and thermally sealing an open end of a trash bag
Implementation Method 2
a base (41) having heat-resistant and insulating properties
Data Source
AI summary
The present invention discloses a heat fusing device for a smart trash receptacle, including: a heating wire for fusion-cutting and thermally sealing an open end of a trash bag, the heating wire being connected to a heat-fusing circuit; a base having heat-resistant and insulating properties, the base having a first end surface on which the heating wire is arranged; and a control mechanism communicatively coupled to the heat-fusing circuit for control thereof. The present invention also discloses a smart trash receptacle incorporating the heat fusing device and a method for controlling a heat fusing temperature. With the present invention, during automatic bagging by the smart trash receptacle, good contact between the heating wire and the trash bag can be ensured while preventing adhesion of the trash bag. This results in improved sealing quality and enables the fulfillment of two tasks, i.e., thermoplastic sealing and thermal fusion-cutting, in the same action of the heat fusing device. As a result, higher automatic bagging quality and reliability are obtainable at lower bagging control difficulty and reduced bagging cost. Moreover, control in the system is simplified, and the stability and reliability of the system are increased.