Integrated Driver Housing with Battery Backup and Thermal Barrier
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Solution Overview
Problem
Light fixtures in hazardous environments face reliability issues due to power failures and exposure to harsh conditions such as extreme temperatures, humidity, and corrosive gases, which can affect the operability of components.
Innovation Solution
A light fixture design featuring a driver housing with a battery for backup power and a separator plate to separate internal sections, regulating temperature and providing a heat barrier, along with heat sink fins for thermal management, ensuring the light fixture remains operational in harsh environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a battery backup system is added to the light fixture, then reliability during power failure is improved, but device complexity increases
Solution Approach 1:
The battery housing is merged with the driver housing to form a single integrated enclosure. The battery and driver are positioned adjacent to each other within the same housing structure, eliminating the need for separate battery compartments and reducing overall device complexity despite adding backup power functionality.
Solution Approach 2:
The driver housing serves multiple functions: it houses the driver electronics, contains the battery for backup power, and provides structural support for the entire light fixture assembly. This multi-functionality reduces the need for additional components and simplifies the overall device structure.
2Temperature
If heat sink fins are added to the driver housing, then thermal management is improved, but device complexity increases
Solution Approach 1:
The heat sink fins are integrated directly into the driver housing structure rather than being separate components. The housing itself is formed with finned exterior surfaces that provide heat dissipation, merging the structural enclosure with the thermal management function.
Solution Approach 2:
Heat sink fins are added only to the exterior surfaces of the driver housing that require enhanced heat dissipation, while other portions of the housing maintain their basic structural form. This localized modification provides thermal management where needed without unnecessarily complicating the entire housing structure.
3Temperature
If a separator plate is added to divide the driver housing, then thermal management is improved, but device complexity increases
Solution Approach 1:
The driver housing interior is segmented into separate compartments using a separator plate. The battery and driver are positioned in different compartments, creating physical separation that provides thermal management and heat isolation between these components.
Solution Approach 2:
The separator plate acts as an intermediary thermal barrier between the battery and driver. It provides heat isolation and thermal management by preventing direct heat transfer between these two components while still allowing for a compact integrated housing design.
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 ensures the light fixture maintains critical components within a safe temperature range and provides backup power, enhancing reliability and longevity in hazardous environments by effectively managing heat and power supply.
Implementation Method 1
A battery is disposed in the interior space of the driver housing and is configured to provide backup power to the light fixture in the event of a loss of power from the main power source
Implementation Method 2
heat sink fins for thermal management
Implementation Method 3
heat sink fins for thermal management
Implementation Method 4
separator plate to separate internal sections, regulating temperature and providing a heat barrier
Data Source
AI summary
A light fixture includes a light housing defining an interior space. A light source is at least partially disposed in the interior space of the light housing. A driver housing is attached to the light housing and defines an interior space. A driver is disposed in the interior space of the driver housing for providing electricity to the light source. The driver is configured for connection to a main power source for energizing the light fixture. A battery is disposed in the interior space of the driver housing and is configured to provide backup power to the light fixture in the event of a loss of power from the main power source.