Detection range specification member for human body detection sensor and toilet
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing human body detection sensors in washrooms require individual specification based on the washroom layout, leading to unnecessary operations and the inability to share sensors, as they must be changed to control toilet lid opening and lighting scenarios correctly.
Innovation Solution
A detection range specification member using a material that reduces infrared ray transmission, which can be easily installed over the infrared sensor body to adjust and specify the detection range without altering the sensor's specifications, allowing for flexible use with different sensor configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the detection range of the human body detection sensor is adjusted by changing the sensor specifications, then the detection accuracy is improved, but the device complexity and cost increase
Solution Approach 1:
A detection range specification member is introduced as an intermediary component between the sensor and the environment. This member includes a light-shielding part that blocks infrared rays from specific directions, thereby adjusting the detection range without modifying the sensor itself. The light-shielding part acts as a mediator that shapes the detection pattern by preventing infrared rays from certain angles from reaching the sensor.
Solution Approach 2:
The detection range is segmented into different angular zones using the light-shielding part. By dividing the 360-degree field of view into detectable and non-detectable zones through strategic placement of shielding elements, the sensor can focus on specific areas (e.g., toilet area) while ignoring others (e.g., washbasin area), achieving precise detection control without changing sensor specifications.
2Measurement precision
If different sensor specifications are used for different washroom configurations, then the detection accuracy is improved, but the adaptability and versatility decrease
Solution Approach 1:
The detection range specification member is designed as a universal accessory that can be attached to standard sensors regardless of the specific washroom configuration. By changing the arrangement or type of light-shielding parts, the same sensor model can be adapted to different scenarios (e.g., toilet-only detection, washbasin exclusion, multi-zone detection), making the sensor system versatile and shareable across various applications.
3Measurement precision
If the sensor specifications are changed to match specific washroom forms, then the detection accuracy is improved, but the ease of manufacture and installation decreases
Solution Approach 1:
Instead of manufacturing custom sensors for each application, the solution segments the detection control function into a separate, modular light-shielding component. This allows standard sensors to be manufactured once, and then customized detection patterns are achieved by assembling different light-shielding part configurations, greatly simplifying the manufacturing process.
Solution Approach 2:
The detection range is made dynamically adjustable by allowing the light-shielding parts to be positioned or configured differently based on the specific washroom layout. This dynamic reconfiguration capability enables the same hardware to adapt to various environments without requiring custom manufacturing for each case.
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
Enables easy specification of the detection range for human body detection sensors without changing their specifications, allowing for shared use across various washroom configurations and preventing unnecessary toilet lid openings when users approach the washbasin.
Implementation Method 1
a detection range specification member for a human body detection sensor... includes a material that reduces transmission of infrared rays
Data Source
AI summary
A detection range specification member for a human body detection sensor is provided in a washroom and is configured to specify a detection range of a human body detection sensor having an infrared sensor body configured to detect a human body. The detection range specification member for the human body detection sensor includes a material that reduces transmission of infrared rays, and is provided so as to cover at least a part of the infrared sensor body. The detection range specification member for the human body detection sensor is a sheet member that is configured to allow installation on a sensor surface side of the infrared sensor body.