Hazardous Environment Light Fixture Sensor Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing systems for sensors in hazardous environments face challenges in meeting safety standards due to the need for intrinsically safe components, which limits the flexibility and efficiency of sensor integration with light fixtures, and often require complex and costly mechanical and electrical designs.
Innovation Solution
The integration of a sensor assembly, including a power supply and control module, within a light fixture housing that meets hazardous environment standards, allowing for intrinsically safe operation and reduced power consumption, with options for wireless communication and simplified mechanical design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If sensor components are integrated with light fixture in hazardous environment, then flexibility and efficiency of sensor integration is improved, but compliance with safety standards for intrinsically safe operation becomes more difficult to achieve
Solution Approach 1:
The patent combines the light fixture housing and sensor assembly into a single integrated unit. The sensor assembly, including sensor components, power supply, and control module, is disposed within the light fixture housing, creating a unified device that maintains intrinsically safe operation while enabling flexible sensor placement in hazardous environments.
Solution Approach 2:
The integrated light fixture and sensor assembly serves multiple functions simultaneously - providing illumination through the light fixture and sensing capabilities through the sensor assembly. This multi-functional design allows a single device to perform both lighting and sensing tasks, improving versatility while maintaining safety compliance.
2Reliability
If separate intrinsically safe components are used for sensor and light fixture, then safety compliance is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent merges previously separate components (light fixture and sensor assembly) into a single integrated device. The sensor assembly with its power supply and control module is housed within the light fixture housing, reducing the number of separate components and simplifying the overall mechanical and electrical design while maintaining intrinsically safe operation.
Solution Approach 2:
The integrated device performs multiple functions through a unified design. The light fixture housing serves both as structural support for the lighting components and as the enclosure for the sensor assembly, eliminating the need for separate housings and reducing manufacturing complexity.
3Use of energy by moving object
If sensor assembly is integrated within light fixture housing, then power consumption is reduced, but space requirements within housing become more constrained
Solution Approach 1:
The sensor assembly is integrated within the light fixture housing, allowing shared power supply infrastructure and reduced redundant components. This merging enables power optimization through efficient energy distribution while utilizing the existing housing space effectively.
Solution Approach 2:
The sensor assembly components are nested within the light fixture housing cavity. The sensor components, power supply, and control module are arranged in a compact nested configuration that efficiently utilizes the available space within the housing without requiring additional external volume.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A light fixture located in a hazardous environment is described herein. The light fixture can include a housing having at least one wall that forms a cavity, where the housing meets applicable standards for the hazardous environment. The light fixture can also include a sensor assembly disposed within the cavity, where the sensor assembly includes a sensor power supply configured to generate power for an intrinsically safe sensor disposed outside the housing in the hazardous environment and a sensor control module configured to provide control for the intrinsically safe sensor. The light fixture can further include at least one light fixture component disposed within the housing.