An aluminum electrolytic capacitor

By increasing the heat dissipation area through the circular shell and fin design, and combining the design of buffer components and exhaust valves, the heat dissipation, sealing and vibration resistance problems of traditional aluminum electrolytic capacitors are solved, and the capacitors are made stable in operation and have an extended life.

CN224355133UActive Publication Date: 2026-06-12DONGGUAN AILLEN ELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN AILLEN ELECTRONICS TECH CO LTD
Filing Date
2025-07-07
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Traditional aluminum electrolytic capacitors lack an effective heat dissipation structure, making it difficult to dissipate heat quickly. It is also difficult to balance sealing and air permeability, and external vibration and impact can easily damage the internal structure, affecting the performance and stability of the capacitor.

⚗Method used

The design incorporates a circular outer shell with fins to increase the heat dissipation area, incorporates a buffer component to absorb vibration energy, and features an exhaust valve and a breathable plate to allow gas to escape and prevent dust. The sealed structure and breathable plate filter element ensure internal stability.

🎯Benefits of technology

It effectively absorbs vibration energy, dissipates heat quickly, prevents impurities from entering, ensures stable internal pressure, and improves the lifespan and operational stability of the capacitor.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an aluminum electrolytic capacitor, relating to the technical field of aluminum electrolytic capacitors. It includes: a housing, with a core package fixedly installed on the inner wall of the housing, a guide pin fixedly installed on the top of the core package, and a top sealing plate sealed on the top of the housing; an exhaust valve, including a housing, with a vent plate fixedly installed on the top of the housing, and a blocking plate slidably connected to the inner wall of the housing; and a buffer assembly, installed between the inner wall of the housing and the outer wall of the core package, the buffer assembly including a sleeve, a sliding rod, and a damping block. This utility model effectively absorbs external vibration and impact energy through the synergistic effect of the sleeve, sliding rod, spring, and damping block in the buffer assembly, preventing damage to the internal structure of the core package due to external forces. Simultaneously, the automatic pressure relief and dustproof design of the exhaust valve promptly discharges internal gas and prevents impurities from entering, maintaining internal pressure and environmental stability, significantly improving the capacitor's service life and operational stability.
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