Neutral Sensor Part Segmentation for Custom Adaptation
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Solution Overview
Problem
Existing sensor manufacturing methods struggle to produce sensors with robust structures and customer-specific attachments, particularly for small-batch installations in vehicles, where the mechanical and electrical interfaces must be designed to withstand mechanical stresses and environmental influences while allowing for flexible adaptation to varying installation spaces.
Innovation Solution
A method involving the separation of the sensor's housing into a neutral part with a protected electrical interface, which can be mass-produced and later adapted to specific mechanical interfaces, using protective compounds to shield both the electrical and mechanical components, allowing for flexible installation and protection from environmental factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the sensor is mass-produced with a fixed housing design, then production cost decreases and productivity increases, but the ability to adapt to different customer-specific installation spaces deteriorates
Solution Approach 1:
The housing is divided into two separate parts: a neutral base element that can be mass-produced with standardized components, and a customer-specific mounting adapter that is added later to match specific installation requirements. This segmentation allows the core sensor unit to be manufactured efficiently in large quantities while still enabling customization for different applications.
Solution Approach 2:
The neutral base element is prepared in advance with all essential sensor components (sensor circuit, interface, protective masses) already installed and tested. This preliminary preparation enables rapid final assembly when customer-specific adapters are added, combining mass production benefits with customization capability.
2Ease of operation
If the electrical interface is left exposed for easy connection, then ease of operation improves, but mechanical protection and reliability deteriorate due to exposure to mechanical stresses and environmental influences
Solution Approach 1:
The electrical interface is nested within multiple protective layers: first embedded in a component island, then surrounded by a first protective mass, and finally enclosed in a second protective mass that forms part of the housing. This nested structure provides robust mechanical protection while maintaining electrical functionality through sealed connections.
Solution Approach 2:
The protective masses serve as intermediary structures that mechanically protect the electrical interface while allowing electrical signals to pass through. The interface is electrically connected to the sensor circuit through conductive paths that are themselves protected within the protective masses, creating a barrier against mechanical stress and environmental factors.
3Device complexity
If the housing is designed as a single integrated component, then device complexity decreases, but the ability to separate mass production from customization deteriorates
Solution Approach 1:
The housing is segmented into a base element and a mounting adapter, where the base element contains all sensor components and can be mass-produced independently. The mounting adapter is a separate component designed for specific installation requirements, allowing customization without complicating the core manufacturing process.
Solution Approach 2:
The neutral base element is designed as a universal platform that can accommodate different customer-specific adapters. This universal design maintains simplicity in the core structure while enabling multiple configurations through interchangeable adapters, reducing overall device complexity compared to creating entirely custom housings for each application.
Data Source
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AI summary
The invention relates to a method for producing a sensor (28) comprising a circuit carrier (44) which comprises an assembly island (48) which supports a sensor circuit (35, 40) for emitting a sensor signal (42) dependent on a physical transmitting field (33), and an interface (52) which is electrically connected to the assembly island (48) and which transmits the sensor signal (42) to a superordinate signal processing device (18). Said method comprises the following steps: Enveloping one part of the circuit carrier (44) containing the assembly island (48) and the sensor circuit (35, 40) in a first protective compound (68); connecting a signal transmission element (74) to the interface (52); enveloping at least one part of the first protective compound (68) and the interface (52) to at least one part of the signal transmission element (74) connected thereto in a second protective compound (78).