Electrical cabinet and electrical device

By optimizing the ventilation hole structure and the conical convex bulge design, and combining the principles of heat insulation and throttling with small hole sound absorption, the problem of balancing heat dissipation and noise in charging piles has been solved, achieving efficient thermal management and noise reduction.

CN224342804UActive Publication Date: 2026-06-09ZHONGNENG E POWER NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHONGNENG E POWER NEW ENERGY TECH CO LTD
Filing Date
2025-07-23
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing charging piles face technical bottlenecks in balancing heat dissipation and noise characteristics. Traditional designs result in ineffective heat dissipation and increased noise, affecting safety and causing environmental pollution.

Method used

Design an electrical enclosure that achieves thermal throttling effect and acoustic adsorption by optimizing the ventilation hole structure, improves heat dissipation efficiency by utilizing tapered ventilation holes and conical convex bulge structure, and reduces noise by using the sound absorption principle of small holes.

Benefits of technology

It achieves significant improvement in heat dissipation efficiency and reduction in noise without increasing energy consumption, resolving the contradiction between heat dissipation and noise reduction in traditional electrical equipment, and is suitable for applications in multiple scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of electrical cabinet and electrical equipment, the electrical cabinet includes cabinet, and the accommodating space for accommodating electrical component is inside cabinet, the side wall of cabinet is provided with several ventilation holes communicating with accommodating space, ventilation hole includes the air outlet of the side close to accommodating space and the air inlet of the side close to external space, the cross section of ventilation hole is tapered from air inlet to air outlet, and the diameter of air inlet is much larger than the diameter of air outlet.The ventilation hole utilizes the adiabatic throttling effect to realize air intake cooling, combined with the high-speed jet flow of air outlet to destroy thermal boundary layer, which greatly improves the convective heat transfer coefficient, thereby greatly improving the heat dissipation efficiency of the cabinet compared with the conventional scheme.In addition, by using the small-diameter air outlet, the energy of sound waves is dispersed and dissipated through refraction, scattering and reflection, thereby achieving the effect of reducing noise and eliminating resonance.It can be seen from the above that the electrical cabinet effectively solves the technical bottleneck of the contradiction between heat dissipation and noise reduction of traditional electrical equipment.
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