Heating Device with Integrated Air Extraction and Filtration
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Solution Overview
Problem
Current heating devices for thermal transfer printing generate smoke and unpleasant odors when heating hot melt powders, affecting indoor environments and operator health.
Innovation Solution
A heating device comprising a housing with a heating cavity, a heating member, a cover, a fan, and a filter, where the fan extracts air through a pipe with a filter to reduce smoke and odor generation during the heating process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If hot melt powder is heated on the substrate to enable thermal transfer printing, then the printing function is achieved, but smoke and unpleasant odor are generated affecting indoor environment and operator health
Solution Approach 1:
The patent extracts the harmful smoke and odor from the heating process by introducing a fan and air extraction channel that actively remove the contaminated air from the heating cavity, separating the harmful byproducts from the useful heating function
Solution Approach 2:
The patent introduces air as an intermediary medium that flows through the heating cavity, carries away the smoke and odor generated during heating, and exits through the air extraction channel, thus mediating between the heating process and the indoor environment
2Object-affected harmful factors
If a filtration system is added to the heating device to reduce smoke and odor, then indoor air quality is improved, but device complexity increases
Solution Approach 1:
The patent merges the filtration function directly into the housing structure by integrating the air extraction channel and fan within the existing device boundaries, combining multiple functions (heating, air extraction, filtration) into a single integrated unit rather than adding separate external systems
Solution Approach 2:
The heating device performs its own air filtration and smoke removal functions through the integrated fan and air extraction channel, making the system self-sufficient in managing its own harmful emissions without requiring external room-based filtration systems
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 device effectively minimizes smoke and unpleasant odors by continuously discharging hot air through a filter, providing a miniature filtration system that does not require additional room-based filtration systems, improving indoor air quality and user safety.
Implementation Method 1
a heating member (202)... configured to heat the powder (302) attached to the substrate (301)
Implementation Method 2
a fan (204)... configured to extract air from the heating cavity (206)
Implementation Method 3
a filter (205) provided in the air extraction channel (208)... to reduce the smoke and the unpleasant odor generated by heating
Data Source
AI summary
A heating device for heating a powder attached to a substrate, including a housing, a heating member, a cover, a fan, and a filter. The housing is provided with a heating cavity. The heating member is accommodated in the heating member, and is configured to heat the powder attached to the substrate after conveyed to the heating cavity. The cover is mounted on the housing, and covers the heating cavity. The fan is mounted on the housing, and an air extraction pipe is arranged between the fan and the heating cavity to enable the fan to extract air from the heating cavity. The filter is provided in the air extraction pipe.