Magnetic Sensor Spacers for Door and Window Misalignment
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Solution Overview
Problem
Fitting and installing security or intrusion detection devices such as window or door sensors is challenging due to the wide variety of different door and window configurations, sizes, and positions, leading to misalignment issues that cause false alarms or leave the perimeter unguarded.
Innovation Solution
A sensor arrangement with movable components, such as spacers of variable sizes, allows for customized installation and alignment of magnetic sensors and components despite misalignment, using adjustable spacers and indicators to ensure proper placement and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If fixed-size sensor components are used, then device complexity is reduced, but alignment accuracy deteriorates due to misalignment in door or window frames
Solution Approach 1:
The sensor arrangement is divided into multiple separable components including a first sensor component, a second sensor component, and multiple spacers of different thicknesses. This segmentation allows each component to be independently positioned and adjusted, enabling precise alignment compensation for misaligned mounting surfaces while maintaining manageable device complexity through modular assembly.
Solution Approach 2:
The system incorporates adjustable spacers that can be selectively positioned between the first and second sensor components to dynamically adjust the spacing and alignment. This dynamic adjustment capability allows the sensor arrangement to adapt to various misalignment conditions in door or window frames, achieving accurate alignment without requiring a completely complex fixed-precision design.
2Adaptability or versatility
If spacers of variable sizes are introduced, then adaptability to different door and window configurations is improved, but device complexity increases
Solution Approach 1:
The sensor arrangement uses a universal set of spacers with different thicknesses that can be applied to various door and window configurations. These spacers serve multiple functions: filling gaps, adjusting alignment, and compensating for misalignment. This universal approach allows the same basic sensor components to adapt to different mounting surfaces without requiring entirely different sensor designs for each configuration.
Solution Approach 2:
The system applies different thickness spacers at specific locations where misalignment occurs. Rather than redesigning the entire sensor assembly for each mounting variation, the solution applies localized adjustments using appropriately sized spacers between the sensor components, achieving adaptability through targeted modifications rather than complete redesigns.
3Reliability
If misalignment compensation mechanisms are added, then reliability of sensing is improved, but ease of installation deteriorates
Solution Approach 1:
The system provides a pre-configured set of spacers with different thicknesses that are prepared in advance for installation. Installers can select the appropriate spacer thickness based on the observed misalignment, eliminating the need for custom fabrication or complex adjustment mechanisms during installation. This preliminary preparation maintains sensing reliability while preserving ease of installation through a straightforward select-and-install process.
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
Ensures accurate alignment and operation of magnetic sensors, preventing false alarms and ensuring complete perimeter coverage by accommodating variations in mounting surfaces.
Implementation Method 1
a magnetic sensor and a magnetic component... The magnetic sensor may be positioned adjacent to the magnetic component such that the magnetic sensor detects a position of the magnetic component
Data Source
AI summary
Disclosures relate to a sensor system and arrangements having different sized removable spacers. The spacers may be mixed and matched as needed or desired to compensate for misalignment conditions. Further, different spacer combinations and adjustments may be guided by a security management computing device. Variations in configurations of mounting surfaces, such as door and window assemblies, may be accommodated. Alignment of a transmitter or a receiving device, e.g., a magnetic device, with respect to a transmitter or receiving device despite misalignment of the components due to, for example, uneven surfaces of a door or a window, or a respective frame may be achieved.