Vehicle Volumetric Sensor Integrated with Control Board
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Solution Overview
Problem
Conventional volumetric anti-break-in systems for vehicles require large ceiling lights with special housings and cables, leading to increased dimensions, complex installation, and aesthetic issues due to the need for specific sensor orientation and cable connections.
Innovation Solution
A compact appliance with volumetric detectors featuring ultrasonic sensors directly fixed to an electronic control board and connected via acoustic ducts for improved signal direction and coverage, reducing dimensions and simplifying installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If special housings are made on the outer enclosure to allow correct orientation of volumetric sensors, then the sensors can be properly oriented, but the enclosure thickness and overall dimensions increase
Solution Approach 1:
The volumetric sensors are integrated directly into the electronic control board, with sensor holders formed as integral parts of the board structure. This nesting approach eliminates the need for separate outer enclosures with special housings, as the sensors are housed within the control board itself, thereby reducing overall enclosure thickness while maintaining proper sensor orientation.
Solution Approach 2:
The sensor holders are designed with specific geometric features (such as inclined surfaces and positioning elements) that enable correct sensor orientation through the board's three-dimensional structure rather than requiring additional external housing thickness. This allows proper orientation to be achieved within the plane of the control board.
2Reliability
If volumetric sensors are connected to control electronics using special electric cables, then the sensors can be connected, but the installation procedure becomes more complex and time-consuming
Solution Approach 1:
The volumetric sensors are directly mounted on the electronic control board with their electrical connections made at the board level. This merging of sensors and control electronics into a single integrated unit eliminates the need for separate cable connections during installation, significantly simplifying the installation procedure while maintaining reliable electrical connections between sensors and control circuitry.
3Ease of operation
If ceiling lights with sensors have considerable dimensions, then the sensors can be properly oriented, but the aesthetic look inside the compartment is compromised
Solution Approach 1:
The sensors are nested within the electronic control board structure rather than being housed in a separate external enclosure. This integration allows the entire assembly to have a compact form factor that is less visually intrusive in the vehicle compartment, improving aesthetic appearance while maintaining the necessary sensor orientation capabilities through the board's internal geometry.
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
The solution results in a more streamlined, faster, and less visible installation process with enhanced ultrasonic coverage within the vehicle compartment, overcoming the limitations of existing systems while maintaining effective detection capabilities.
Implementation Method 1
The volumetric sensors D are constituted by ultrasonic sensors with an ultrasonic signals transmission/receiving surface
Data Source
AI summary
The appliance (1) with volumetric detector, usable in particular in anti-break-in systems for vehicles, comprises support means (2) associable with the structure of a vehicle, inside the compartment, an electronic control board (3) associated with the support means (2), at least a volumetric sensor (4) connected to the electronic control board (3) and suitable for detecting break-ins inside the compartment, and at least one volumetric sensor (4) associated integral with the electronic control board (3) and at least an acoustic duct (6) having a first mouth (7) associated with the volumetric sensor (4) and at least a second mouth (8) for emitting and/or receiving the sound waves generated by the volumetric sensor (4) and/or reflected by at least an obstacle inside the compartment.