Current Measuring Device with Upright Circuit Board Mounting
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Solution Overview
Problem
Conventional current measuring devices face challenges in reducing size and improving mountability of electronic components, leading to increased overall size when components like microcomputers and amplifiers are mounted on circuit boards with temperature sensing circuits.
Innovation Solution
A current measuring device design that fixes a circuit board with a shunt resistor between fixing means, allowing the board to be disposed upright or within the plane of the conductor, reducing the device's footprint, and includes a bus bar for secure mounting, enabling compact size and easy electronic component integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electronic components are mounted on the circuit board, then signal processing capability is improved, but the overall device size increases
Solution Approach 1:
The patent combines the circuit board with the cover member into a single integrated structure. The circuit board is fixed to the cover member, merging two previously separate components (cover member and circuit board) into one unified assembly. This integration eliminates the need for separate mounting of electronic components on a standalone circuit board, thereby maintaining signal processing capability while reducing overall device size.
Solution Approach 2:
The cover member is designed to serve multiple functions: it acts as both a protective cover and a mounting structure for the circuit board. By making the cover member multi-functional, the patent eliminates the need for additional separate structures, thereby reducing device size while still providing the necessary platform for electronic components.
2Ease of manufacture
If a separate circuit board is used for mounting electronic components, then component mountability is improved, but the device footprint increases
Solution Approach 1:
The circuit board is integrated with the cover member, combining two components into one. This merger allows the circuit board to be positioned upright or within the plane of the conductor, optimizing space utilization and reducing the device footprint while maintaining ease of component mounting on the circuit board.
3Area of stationary object
If the circuit board is disposed upright or within the plane of the conductor, then device footprint is reduced, but mounting complexity increases
Solution Approach 1:
The circuit board is pre-fixed to the cover member during the cover member assembly process. This preliminary action of fixing the circuit board to the cover member simplifies subsequent mounting operations, as the circuit board is already in its final position and orientation (upright or within the plane of the conductor), eliminating the need for complex post-assembly adjustments.
Data Source
AI summary
Provided is a current measuring device for measuring current, including a conductor adapted to pass current therethrough, a circuit board with a wire, the wire being adapted to extract a voltage signal from the conductor, a cover member adapted to house the circuit board, first fixing means provided on the cover member, and second fixing means fixed in combination with the first fixing means, in which the conductor is mounted between the first fixing means and the second fixing means.