Safety device
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current heating apparatuses face issues with safety due to poor maintenance, incorrect functioning, or irregular use leading to accumulation of solid biomass in the combustion chamber, resulting in imbalanced combustion, generation of toxic and flammable gases, and potential explosions, which can cause structural deformation and release of toxic gases into the environment.
Innovation Solution
A safety device is installed in the heating apparatus that selectively determines the normal closed and open conditions of the door, featuring a first and second closing element configured for controlled translation in the event of overpressure, allowing partial opening of the door to release excess gas and incorporating an alarm system for visual and acoustic alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the door is kept closed to maintain combustion chamber integrity, then safety against explosions is improved, but the ability to release excess pressure and toxic gases is worsened
Solution Approach 1:
The patent employs a flexible sealing lip that can deform under pressure differential. The lip seals the gap between door and frame under normal conditions but allows controlled partial opening when excess pressure builds up, enabling release of toxic gases while maintaining overall safety. This flexible sealing mechanism resolves the contradiction by adapting its sealing behavior based on pressure conditions.
Solution Approach 2:
The closing elements are designed with dynamic characteristics, allowing them to transition between fully engaged (sealed) and partially disengaged (pressure relief) states. The elastic element provides dynamic response to pressure changes, automatically adjusting the door position to balance safety and gas release requirements without manual intervention.
2Object-generated harmful factors
If the door is made fully opening to allow gas release, then the ability to vent excess pressure is improved, but the risk of structural deformation and permanent damage is worsened
Solution Approach 1:
The patent implements partial opening of the door through controlled displacement of the first closing element. Instead of full opening, the elastic element allows just enough movement to create a gap for gas release while maintaining substantial door engagement with the frame. This partial action provides sufficient venting capability while preserving structural integrity.
Solution Approach 2:
The elastic element acts as a cushioning mechanism that absorbs excess pressure energy through controlled deformation. By allowing the closing element to move elastically rather than rigidly, the system dissipates pressure buildup gradually through controlled partial opening, preventing sudden full opening that could cause structural damage.
3Reliability
If a rigid closing mechanism is used to ensure reliable sealing, then the sealing effectiveness is improved, but the ability to respond to overpressure conditions is worsened
Solution Approach 1:
The sealing lip is designed as a flexible element that maintains effective sealing under normal pressure conditions while allowing controlled deformation when overpressure occurs. This flexibility enables the system to adapt to varying pressure conditions without compromising sealing effectiveness during normal operation.
Solution Approach 2:
The system changes the physical state of the closing mechanism from a fixed rigid position to a dynamically adjustable position based on pressure differential. The elastic element enables parameter change in the form of displacement of the first closing element, allowing the system to adapt its sealing characteristics in response to overpressure conditions.
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 safety device effectively prevents explosions by controlled release of overpressure, ensuring the apparatus remains safe, reliable, and economical, while providing a means to alert users of potential dangers through visual and acoustic signals.
Implementation Method 1
an elastic element associated with the translation device and configured to store and release mechanical energy
Implementation Method 2
the force exerted by the pressure differential between the inside and outside of the combustion chamber on the door
Data Source
Figure 1~2b
Figure 3~5b
Figure 6~8b
AI summary
Improved heating apparatus comprising a frame (11) defining a combustion chamber, a door (12) associated with the frame (11), and a safety device (13) comprising a first closing element (18) associated with the door (12), and a second closing element (19) associated the said frame (11), at least one of either the first closing element (18) or the second closing element (19) is mobile to determine a normal closed condition and a normal open condition of the door (12),