Capacitor Mounting Structure for Space-Saving Substrate Fixation
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Solution Overview
Problem
Existing capacitors require bulky subsidiary materials for mounting, which occupy a large area on the substrate, reducing area utilization and productivity.
Innovation Solution
A capacitor design with a body extending into a substrate hole, fixed by a fixing member with protrusions and caps, featuring anti-rotation and substrate coupling mechanisms, minimizing subsidiary materials and optimizing substrate space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bulky subsidiary materials are used to assist in mounting the capacitor, then the capacitor can be fixed to the substrate, but the area utilization of the substrate is lowered
Solution Approach 1:
The invention merges the capacitor body directly with the substrate by inserting the capacitor body into a hole formed in the substrate. The fixing member is then inserted into the same hole to secure the capacitor, eliminating the need for separate mounting areas and subsidiary materials. This integration approach resolves the contradiction by achieving reliable fixation without occupying additional substrate area.
Solution Approach 2:
The capacitor body is nested within the hole of the substrate, and the fixing member is nested within the same hole alongside the capacitor body. This nested arrangement allows the capacitor to be securely mounted while minimizing the space required on the substrate surface, thereby improving area utilization while maintaining fixation reliability.
2Reliability
If a large number of subsidiary materials are required to fix the capacitor, then the capacitor can be secured to the substrate, but productivity is reduced due to difficult installation
Solution Approach 1:
The fixing member is designed to be inserted into the same hole as the capacitor body, combining the mounting and fixation operations into a single integrated process. This eliminates the need for multiple separate subsidiary materials and simplifies the installation procedure, thereby improving productivity while ensuring reliable capacitor fixation.
Solution Approach 2:
The fixing member is designed with a structure that enables self-alignment and self-securing within the hole. The fixing member includes features such as a head portion and a body portion that automatically position themselves during insertion, reducing the complexity of installation and improving productivity without compromising fixation reliability.
3Area of stationary object
If the capacitor body is inserted into the substrate hole, then substrate area utilization is improved, but additional fixing mechanisms are required to secure the capacitor
Solution Approach 1:
The fixing member is merged with the capacitor assembly by inserting both into the same substrate hole. The fixing member includes a head portion that contacts the capacitor body and a body portion that extends into the hole, creating a unified structure that secures the capacitor without requiring additional separate fixing mechanisms, thus maintaining simplicity while improving area utilization.
Solution Approach 2:
The fixing member acts as an intermediary element between the capacitor body and the substrate. It provides the necessary mechanical connection and securing function while allowing the capacitor body to be inserted into the substrate hole, thereby achieving compact mounting without overly complicating the overall structure.
4Reliability
If caps are coupled to the capacitor bodies to prevent electrolyte scattering, then safety is improved, but the assembly complexity increases
Solution Approach 1:
The cap is merged with the capacitor body by coupling it to the outer peripheral surface of the capacitor body. The cap includes an inner peripheral surface that contacts the capacitor body, creating a sealed assembly that contains the electrolyte. This integration approach provides safety through electrolyte containment while minimizing additional structural complexity.
Solution Approach 2:
The cap serves multiple functions: it contains the electrolyte to prevent scattering, provides structural support to the capacitor body, and facilitates the mounting process by working in conjunction with the fixing member. This multi-functionality improves reliability through electrolyte containment while avoiding unnecessary complexity by combining multiple functions into a single component.
Data Source
AI summary
A capacitor and an electronic device comprising same are disclosed. An electronic device according to the present disclosure may comprise: a substrate; a plurality of capacitors mounted on the substrate, each of the plurality of capacitors including a case extending to accommodate an electrolyte therein, and a cap coupled to one end of the case in the direction in which the case extends configured to restrict scattering of the electrolyte; and a fixing member comprising a protrusion and configured to press the perimeters of the caps in the radial direction of the caps to fix the plurality of capacitors to the substrate.