Capacitor Holder Vibration Damping and Inductance Reduction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Capacitors face challenges in maintaining long-term functionality with minimal loss and reduced vibration load, as existing mounting arrangements often fail to provide stable and vibration-absorbing solutions.
Innovation Solution
A radial capacitor with a cup-shaped housing and a capacitor holder that includes a conductive assembly for secure mechanical and electrical connection to a printed circuit board, utilizing a fastening mechanism that acts as both a vibration-absorbing holder and current expansion means, with a flange and bead design for enhanced sealing and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the capacitor is mounted using conventional mounting arrangements, then the capacitor can be secured to the circuit board, but the capacitor experiences high vibration load and mechanical stress leading to reduced lifespan
Solution Approach 1:
The capacitor holder is designed with a cup-shaped housing that cradles the capacitor body, providing cushioning and vibration absorption before external forces can damage the capacitor. The holder's structure anticipates vibration loads and mechanically dampens them through its mounting configuration and contact surfaces.
Solution Approach 2:
The capacitor holder acts as an intermediary component between the capacitor and the circuit board. It provides a dedicated mounting interface that isolates the capacitor from direct mechanical stress and vibration transmitted through solder joints, thereby protecting the capacitor while maintaining electrical connection.
2Object-affected harmful factors
If the capacitor holder is positioned to provide vibration absorption, then the capacitor is protected from vibration, but the sealing between capacitor housing and closure may be compromised
Solution Approach 1:
The mounting function and sealing support functions are segmented into distinct structural elements of the capacitor holder. The holding surface and support structures are specifically designed to bear mechanical loads and maintain sealing pressure separately, allowing vibration absorption without compromising the seal between capacitor housing and closure.
3Stability of the object's composition
If the capacitor holder provides mechanical support and vibration absorption, then the capacitor is stabilized, but the inductance of the mounting arrangement increases
Solution Approach 1:
The capacitor holder provides mechanical support and vibration absorption primarily through its physical structure and mounting geometry rather than through extensive conductive pathways. By designing the holder's support function to operate in the mechanical domain rather than relying on electrical connection paths, the inductance introduced by the mounting arrangement is minimized while maintaining stability.
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 ensures a stable and secure mounting of capacitors, reducing vibration-induced stress and maintaining sealing integrity while minimizing inductance and mechanical deformation, thus extending the capacitor's lifespan and performance.
Implementation Method 1
If the electrically conductive capacitor holder is connected to the capacitor housing charged with an electrical charge, it advantageously serves both as a vibration-absorbing holder for the capacitor
Implementation Method 2
If the electrically conductive capacitor holder is connected to the capacitor housing charged with an electrical charge, it advantageously serves both as a vibration-absorbing holder for the capacitor and as a current expansion means to increase the low inductance of the mounted capacitor
Data Source
Figure 1~2
Figure 3~4
Figure 5~7
AI summary
The condenser (1) has a condenser holder (4) and an electro-conductive beaker-shaped housing (2) with a border (5). The condenser holder is electrically conductive and has a holding area (4a) and a mounting unit (4b) for mounting with a mounting surface. A condenser sealing (8) is inserted in the housing and seals the internal space of the condenser. The mounting area of the condenser holder is fixed between the condenser lock and the bordering edge of the border.