Power well ventilation

By installing a forced air supply system consisting of a blower and ventilation duct inside the power shaft, combined with natural exhaust ventilation from the outlet duct, the problem of poor air circulation inside the power shaft is solved, achieving efficient ventilation and safe maintenance, and preventing equipment from being damaged by moisture.

CN224478947UActive Publication Date: 2026-07-10GUANGDONG DINGLI POWER ENG CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG DINGLI POWER ENG CO LTD
Filing Date
2025-05-09
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

The sealed top of the access pipe to the power well leads to poor air circulation inside, which can easily cause oxygen deficiency during maintenance and affect work safety.

Method used

Design a ventilation and air exchange device for power wells, which adopts a forced air supply system consisting of a blower and ventilation pipes, combined with natural exhaust from the outlet pipe to form an efficient air circulation, and is equipped with a ventilation net and support ring structure to ensure ventilation efficiency and safety.

Benefits of technology

It achieves efficient air circulation in the power well, prevents oxygen deficiency, ensures the safety of maintenance personnel, and prevents the ventilation equipment from being damaged by moisture in the rain protection design, thus satisfying the unity of ventilation and maintenance functions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224478947U_ABST
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Abstract

The utility model discloses a kind of ventilation and air exchange devices in electric power well, it is related to electric power well field, to solve the problem of the internal air flow of existing technology in electric power well is not smooth, when electric power well is overhauled, technical personnel enters the internal electric power well and is easy to produce the problem of hypoxia condition.The air inlet upper end is provided with a supply air pipe, the middle part inside the supply air pipe is provided with a supply air fan, the supply air pipe upper end extends out of ground and is connected with a ventilation pipe, the air outlet upper end is provided with an air outlet pipe, the air outlet pipe upper end extends to ground and is fixedly connected with well lid fixing seat, the well lid fixing seat inside is provided with a support ring, the support ring inside upper end is fixedly provided with a ventilation net, by setting supply air fan and ventilation pipe forced air supply, cooperate air outlet pipe natural exhaust, form efficient air circulation system, effectively solve the hypoxia problem caused by ventilation in electric power well is not smooth, guarantee the safety of overhauling personnel operation.
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