Sensor Plug-in Module with Coding Sleeve for Rear Installation
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Solution Overview
Problem
The installation of sensor elements of different sizes is cost-intensive due to the need for two-part housing designs, which increases manufacturing costs and requires different shapes for the housing, sensor element, and connection part, especially when introducing the assembly via the rear end of the housing sleeve.
Innovation Solution
A plug-in module with a sleeve-like housing and a coding sleeve that allows the prefabricated assembly to be inserted from either side, using a shape-matched connection between the coding sleeve and the plug-in unit to ensure proper alignment and fixing, reducing construction effort and cost, and enabling the use of a universally usable module for different sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If different shapes of housing, sensor element and connection part are used to enable introduction via the rear end of the housing sleeve, then installation flexibility is improved, but manufacturing costs increase
Solution Approach 1:
The patent applies inversion by enabling the assembly to be introduced through the rear end of the housing sleeve instead of only through the front end. This reverse installation approach allows the use of a one-part housing design while maintaining installation flexibility, thereby resolving the contradiction between installation flexibility and manufacturing costs.
Solution Approach 2:
The patent creates a universal assembly design with a standardized connection part that can be installed through either the front end or rear end of the housing sleeve. This multi-functional capability allows a single housing shape to accommodate different installation scenarios, eliminating the need for multiple housing variants and reducing manufacturing costs while preserving installation flexibility.
2Adaptability or versatility
If a two-part housing design is used to accommodate sensor elements of different sizes, then adaptability is improved, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent applies segmentation by dividing the sensor assembly into modular components: a standardized housing, a carrier board with electronic circuit, and a connection part. This segmentation allows the assembly to accommodate different sensor element sizes through the modular carrier board design while maintaining a simple one-part housing structure, thus resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The patent uses parameter changes by varying the dimensions and configuration of the carrier board and sensor element while maintaining the standardized housing and connection part. This approach allows adaptation to different sensor sizes through parameter variation in specific components rather than changing the overall housing structure, thereby maintaining simplicity while achieving versatility.
3Ease of operation
If the assembly is introduced via the rear end of the housing sleeve, then installation options are improved, but the shape requirements for housing and connection part increase manufacturing complexity
Solution Approach 1:
The patent applies asymmetry by designing the connection part with an asymmetric configuration that enables rear-end introduction while maintaining a simple housing shape. The asymmetric design of the connection part and carrier board allows them to be pushed through the rear end and properly positioned, providing installation flexibility without requiring complex housing shapes.
Data Source
AI summary
The invention relates to a plug-in module for a sensor (32) comprising a sleeve-like housing (3) in which a sensor element (27), a carrier board (16) carrying an electronic circuit and a plug-in unit (2) are positioned. In a plug-in module which can be used equally for sensors of different sizes, an outer diameter (5) of the plug-in unit (2) approximately corresponds to a smallest inner diameter (8) of the sleeve-like housing (3), wherein a coding sleeve (4) is inserted between the plug-in unit (2) and the sleeve-like housing (3).