Rotatable Sensing Module for Adjustable PIR Detection
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Solution Overview
Problem
Conventional sensing lamps have limited design flexibility and usability due to non-detachable sensing modules, which restricts parameter adjustment and increases production costs and defect probabilities, while also limiting aesthetic design options.
Innovation Solution
A detachable sensing module that integrates a sensor, control circuit, and operating parameter adjusting elements, allowing for easy installation and adjustment, with a simplified wiring layout and concealed adjusting elements, enabling flexible design and reduced production complexities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the sensing module is integrated with the control circuit and operating parameter adjusting elements, then the design flexibility and ease of installation are improved, but the device complexity increases
Solution Approach 1:
The patent merges the sensing module, control circuit, and operating parameter adjusting elements into a single integrated unit. The sensing module includes the sensor, control circuit, and adjusting elements all housed together, allowing the entire assembly to be installed as one component while maintaining design flexibility through various mounting configurations.
Solution Approach 2:
The integrated sensing module serves multiple functions: sensing (via the sensor), control (via the control circuit), and parameter adjustment (via the adjusting elements). This multi-functional design eliminates the need for separate components, reducing overall system complexity while enhancing adaptability to different installation scenarios.
2Ease of operation
If the operating parameter adjusting elements are exposed on the back plate surface, then the ease of operation is improved, but the appearance design flexibility is reduced
Solution Approach 1:
The patent employs a rotatable sensing module that can be rotated between different angular positions. When rotated to a first angle, the operating parameter adjusting elements are exposed for user operation. When rotated to a second angle, the adjusting elements are concealed, allowing for aesthetic design flexibility. This dynamic reconfiguration resolves the contradiction between accessibility and design freedom.
Solution Approach 2:
The solution moves the adjusting elements from a fixed two-dimensional position on the back plate to a three-dimensional configuration where they can be exposed or concealed through rotation. This adds a temporal/dimensional aspect to the design, allowing the same physical components to serve different functional requirements at different times.
3Reliability
If multiple conducting wires are used to connect the sensor and control circuit, then the reliability of electrical connection is improved, but the manufacturing complexity and defect probability increase
Solution Approach 1:
The patent combines multiple electrical connections into a single integrated sensing module assembly. The sensor, control circuit, and adjusting elements are electrically connected within the module itself, eliminating the need for multiple separate conducting wires between components. This reduces wiring complexity while maintaining reliable electrical connections through the integrated design.
Data Source
AI summary
A sensing lamp includes a lamp body connected with a sensing module. The sensing module is configured with a sensing unit and a cover partially covering the sensing unit. The sensing unit has a passive infrared ray sensor and at least one parameter adjusting element. The sensing unit is rotatable around a central axis passing thru the sensing module and the lamp body. When the sensing unit is rotated to a first angle position, the at least one parameter adjusting element is blocked and the passive infrared ray sensor is able to perform a forward sensing function. When the sensing unit is rotated to a second angle position, the at least one parameter adjusting element is exposed to being conveniently adjusted. The passive infrared ray sensor is configured with a partial cylindrical condensing lens for performing a horizontal detection angle ranging from 100 degrees to 270 degrees.