Water-cooled positive pressure cabinet

By introducing a water-cooled cooling filter unit and a pressure relief unit into the positive pressure cabinet, the heat dissipation and pressure regulation problems of the positive pressure cabinet are solved, achieving efficient operation and simplified operation of the equipment, and providing explosion-proof and outdoor use functions.

CN224289004UActive Publication Date: 2026-05-26TIANJIN TONGYU JIAHE ENERGY SAVING TECH CO LTD
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Patent Information

Application Number
CN202520821434.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-05-26
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

The existing positive pressure cabinet lacks cooling capacity, which causes electrical equipment to overheat and burn out. Furthermore, the entire pressure relief unit needs to be replaced, increasing costs and affecting work efficiency.

Method used

A water-cooled positive pressure cabinet was designed, which includes a cooling and filtration unit and a pressure relief unit. It uses a water-circulating surface cooler and an explosion-proof axial flow fan for heat dissipation, and achieves precise control of the pressure relief threshold through a pressure regulating component.

Benefits of technology

It effectively reduces the temperature inside the cabinet, prevents electrical components from overheating, extends the equipment's lifespan, simplifies pressure regulation operations, improves work efficiency, and is suitable for outdoor use.

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Abstract

The utility model discloses a water-cooled positive pressure cabinet, which belongs to the technical field of pneumatic control and comprises a positive pressure cabinet shell, a positive pressure cabinet shell back door, a positive pressure purging device, a pressure relief unit and a cooling filter unit. The positive pressure cabinet shell back door is arranged on the rear side wall of the positive pressure cabinet shell, the positive pressure blowing device is installed on the front side wall of the positive pressure cabinet shell, the pressure relief unit is installed on the right side wall of the positive pressure cabinet shell, and the cooling and filtering unit is installed at the bottom of the positive pressure cabinet shell. The problems that in the prior art, due to the fact that a positive pressure cabinet lacks refrigerating capacity and a pressure relief unit needs to be integrally replaced when the setting pressure is adjusted, internal electrical equipment is prone to performance reduction or burnout, the use cost is increased, and the working efficiency is affected are solved. The operation efficiency of the equipment is improved, the service life of the equipment is prolonged, and the operation process is simplified.
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