Amplifier Box Segmentation for Thermal Management in Sound Equipment
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Solution Overview
Problem
The integration of electronic components and loudspeakers in a single casing can lead to overheating, particularly during high-power listening, which can damage performance and necessitate limiting the power delivered to the loudspeaker, thereby compromising the listening experience.
Innovation Solution
The equipment design includes a casing with a box containing a first loudspeaker and a secondary electronic board with an amplifier, separated from the main electronic board and power supply module, which are located outside the box. This configuration minimizes thermal effects and electromagnetic interference, allowing for increased amplifier power and reduced need to limit sound power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the amplifier and loudspeaker are integrated in the same box within the casing, then the equipment becomes more compact and sound quality improves, but overheating occurs during high-power listening
Solution Approach 1:
The patent divides the equipment into two distinct spatial zones: a first box containing the amplifier and loudspeaker for audio processing, and a second box containing the power supply module and electronic components for power management. This segmentation allows each zone to be optimized independently - the audio box can be compact while the power box can be separated to prevent overheating, thus resolving the contradiction between compactness and thermal management.
2Device complexity
If the power supply module and electronic components are placed close to the amplifier, then the equipment structure is simplified, but thermal effects damage amplifier performance
Solution Approach 1:
The patent segments the equipment into functionally independent boxes: the first box for audio components and the second box for power supply and electronic components. This segmentation maintains structural simplicity through modular design while preventing thermal interference between components, thereby ensuring amplifier performance stability.
Solution Approach 2:
The patent extracts the power supply module and heat-generating electronic components from proximity to the amplifier by placing them in a separate second box. This extraction removes the harmful thermal influence on the amplifier while maintaining a simple overall structure through the use of separate but connected modules.
3Power
If the amplifier power is increased to improve sound quality, then listening experience improves, but overheating damage occurs
Solution Approach 1:
The patent segments the equipment into separate boxes for audio and power components, allowing the amplifier to operate at higher power levels without thermal interference from the power supply module. The spatial separation enables independent thermal management of each component, thus enabling increased power output without proportional increase in thermal damage risk.
Data Source
AI summary
Equipment including a casing wherein are located: a box; a first loudspeaker disposed inside the box, the first loudspeaker being arranged to broadcast sounds outwards from the casing; a main electronic board placed in the casing outside of the box and on which is mounted, at least one power supply module producing a first power supply voltage; a connecting device passing through the wall of the box; a secondary electronic board inside the box on which is mounted, at least one first amplifier connected to the first loudspeaker, the secondary electronic board being connected to the main electronic board via the connecting device to power the first amplifier with the first voltage.