Asymmetric Mounting Component for Flexible PIR Detector Installation
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Solution Overview
Problem
Existing monitoring systems require multiple components with different mounting angles and orientations, leading to increased complexity in installation and manufacturing due to the need for a wide range of differently configured stock and tooling.
Innovation Solution
A mounting component with an asymmetric cross-sectional profile, featuring first and second lateral faces angled at 85° to 95° and 110° to 160° respectively, allowing flexible mounting on various surfaces and orientations, and interchangeable housings and operating modules for curtain and wide-angle PIR detectors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple components with different mounting angles and orientations are used to achieve flexible installation on various surfaces, then adaptability is improved, but device complexity increases due to the need for a wide range of differently configured stock and tooling
Solution Approach 1:
The mounting component is designed with a universal asymmetric cross-sectional profile that can be mounted on different surfaces (walls, ceilings, door frames) at various orientations. The housing and operating module are made interchangeable, allowing a single mounting component to support multiple detector configurations (curtain and wide-angle PIR detectors), eliminating the need for multiple specialized components.
Solution Approach 2:
The mounting component features an asymmetric cross-sectional profile with first and second lateral faces at different angles (85° to 95° and 110° to 160° respectively) relative to the third face. This asymmetry enables the component to be mounted in various orientations on different surfaces while maintaining proper sensing direction, providing mounting flexibility without requiring multiple symmetric variants.
2Adaptability or versatility
If multiple differently configured components are produced to cover all mounting scenarios, then adaptability is improved, but ease of manufacture deteriorates due to the need for a large amount of different stock and tooling
Solution Approach 1:
A single mounting component design serves multiple mounting scenarios through its asymmetric geometry and interchangeable housing-module configuration. This universal design allows production of one standardized component type rather than multiple specialized variants, significantly simplifying manufacturing processes, reducing tooling requirements, and eliminating the need to maintain large inventories of different component stock.
3Device complexity
If a single mounting component with asymmetric profile is used to reduce component variety, then device complexity is reduced, but adaptability may worsen if the component cannot be mounted on various surfaces and orientations
Solution Approach 1:
The asymmetric cross-sectional profile with specifically engineered lateral face angles (85° to 95° and 110° to 160°) enables the single mounting component to accommodate various mounting surfaces and orientations. The asymmetry allows the component to be installed on walls, ceilings, and door frames at different angles while maintaining proper sensor alignment, thus achieving both reduced complexity and maintained adaptability.
Data Source
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AI summary
A component for use in a monitoring system, the component comprising: a housing for housing an operating module of the monitoring system for sensing an environmental input received via a front of the component; and a mounting component for mounting the component and supporting the housing; wherein the mounting component comprises first and second lateral faces that form at least part of respective opposing lateral outer surfaces of the component and are provided at different angles with respect to a third face of the mounting component so as to be asymmetrically arranged with respect to the third face, the third face forming at least part of a rear outer surface of the component. Also disclosed is a corresponding kit of parts, mounting component, method of mounting the component and a method of assembling the component.