Tire Pressure Sensor Antenna Integrated Housing
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Solution Overview
Problem
Existing tire pressure monitoring devices require complex assembly processes and have a larger size due to separate components, making manufacturing and integration cumbersome.
Innovation Solution
The antenna is integrated into the housing, and the power source and printed circuit board are stacked, with snap-fitting detent elements for simplified assembly and reduced size, allowing for press-fit connections and embedding in potting compound.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the antenna is integrated into the housing, then the device size is reduced, but the manufacturing complexity increases
Solution Approach 1:
The antenna is integrated directly into the housing structure, merging two previously separate components (antenna and housing) into a single unified structure. This reduces the overall device volume while the molding process absorbs the manufacturing complexity, achieving compactness without prohibitively complex assembly procedures.
Solution Approach 2:
The housing serves dual functions: as the structural enclosure and as the antenna support/integration structure. This multi-functionality reduces the number of separate components needed, thereby reducing device size while the standardized molding process keeps manufacturing complexity manageable.
2Ease of manufacture
If separate components are used, then the device can be easily assembled, but the device size increases
Solution Approach 1:
By merging the antenna with the housing into a single integrated component, the patent eliminates the need for separate assembly steps for these parts. The housing is molded with the antenna already incorporated, achieving compact device size while maintaining ease of manufacture through a single molding operation rather than multiple assembly steps.
3Ease of operation
If connections protrude from the housing, then the antenna can be connected, but the device size increases and assembly becomes more complex
Solution Approach 1:
The antenna connection structure is nested within the housing rather than protruding outward. The antenna is embedded in the housing wall with connections made through press-fit pins that are contained within the housing structure, achieving compact device size while maintaining connection capability through internal nesting of components.
Solution Approach 2:
The connection mechanism is merged with the housing structure itself, using press-fit pins that are part of the housing or antenna assembly process. This integration eliminates the need for separate external connection elements, reducing device size while maintaining assembly capability through the molding and pressing processes.
Data Source
AI summary
A device for monitoring tire pressure includes an antenna for transmitting pressure data, a printed circuit board with a circuit for measuring and transmitting pressure data that is connected to the antenna, a power source for supplying the circuit, and a housing surrounding the printed circuit board, According to the invention, the housing is produced by insert-molding the antenna.