Lighting Device Programming Interface With Sealed Housing Passages
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Solution Overview
Problem
Existing lighting devices for building lighting are inflexible, making maintenance and programming difficult, requiring complete replacement if programming adaptations are needed, which compromises electrical safety and increases waste.
Innovation Solution
A lighting device with a programmable control unit and a programming interface featuring contact surfaces and passage openings in the housing, ensuring electrical isolation and mechanical safety, allowing for programming without opening the housing, enabling updates and adaptations without destroying the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the housing is designed to be permanently sealed for electrical safety, then electrical insulation and touch protection are improved, but programming and maintenance become difficult requiring complete device replacement
Solution Approach 1:
The housing is segmented into a sealed exterior structure and an accessible interior programming space. Passage openings create localized access points that allow programming interface contact while maintaining the overall sealed structure for electrical safety. This segmentation enables both permanent sealing for safety and controlled access for programming.
Solution Approach 2:
The passage openings act as intermediaries between the external programming device and the internal programming interface. These openings provide a controlled transmission path for electrical signals during programming while maintaining electrical isolation when programming is not in progress, thus mediating between accessibility and safety requirements.
2Adaptability or versatility
If passage openings are provided for programming access, then programming flexibility is improved, but electrical insulation and touch protection may be compromised
Solution Approach 1:
The passage openings are designed with controlled dimensions (diameter ≤2.5mm, axial length ≥3mm) that create an effective electrical barrier. The housing material forms a flexible yet insulating barrier that maintains electrical isolation while allowing mechanical access for programming contacts. The specific dimensional constraints ensure adequate creepage and clearance distances.
Solution Approach 2:
The passage opening dimensions are precisely controlled within specific parameter ranges (diameter ≤2.5mm, axial length ≥3mm) to optimize both programming accessibility and electrical insulation. By adjusting these geometric parameters, the design achieves the balance between allowing programming contact while maintaining sufficient electrical clearance and creepage distances.
3Strength
If the housing is made robust and sealed, then mechanical protection and safety are improved, but device updates require destructive opening and replacement
Solution Approach 1:
The housing structure is segmented to provide robust external protection while incorporating localized access features. The passage openings are integrated into the sealed housing structure, allowing programming access without compromising the overall mechanical strength and protective function of the housing.
Solution Approach 2:
The programming interface and passage openings are pre-configured into the housing structure during manufacturing. This preliminary arrangement enables future programming and updates without requiring destructive opening, as the access path is already established in the robust housing design.
4Reliability
If complete device replacement is required for programming changes, then electrical safety is maintained, but waste increases and cost rises
Solution Approach 1:
The design enables recovery and reuse of the existing housing and electrical components by allowing programming updates in place. Instead of discarding the entire device when programming changes are needed, the passage opening design allows selective access for programming while maintaining the reusable sealed housing structure, thus reducing waste.
Solution Approach 2:
The passage openings and programming interface are preliminarily configured into the housing structure, enabling future programming access without destructive opening. This preliminary preparation allows the device to be updated and reused multiple times, preventing waste that would occur with complete replacement.
Data Source
AI summary
A lighting device, comprising a power setting unit for setting an electrical power of a light source electrically coupled to the power setting unit, a programmable control unit connected to the power setting unit for controlling the power setting unit, a light control interface unit connected to the control unit for supplying a control signal, and a housing made of an electrically insulating material, which provides a power connection for connecting to an electrical power supply network. The housing encloses at least the power setting unit and the control unit so that they are protected. The control signal is predefinable via the light control interface from outside the housing. The control unit provides a programming interface having at least two contact surfaces for electrically contacting the programming interface and an isolation unit for the programming interface and the housing has a passage opening in a housing wall for each contact.