A kind of air duct device with electromagnetic valve auxiliary louver opening and closing

By using a solenoid valve to assist in the louver opening and closing structure, the problems of high wind resistance and increased current in outdoor environments for box-type transformer fans have been solved, resulting in better fan operation and air volume, and extending the service life of the fans.

CN224520496UActive Publication Date: 2026-07-17JIANGSU HUACHEN TRANSFORMER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HUACHEN TRANSFORMER
Filing Date
2025-05-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In outdoor environments, existing box-type transformers experience high wind resistance during fan operation, leading to increased current, reduced airflow, and shortened fan life.

Method used

The system employs a solenoid valve-assisted louver opening and closing structure. A position sensor and controller control the solenoid valve to drive the self-closing louvers to rotate, reducing wind resistance, increasing air volume, and extending the fan's lifespan.

Benefits of technology

Optimizing the fan's operating environment reduces wind resistance, lowers fan current, increases airflow, and extends the fan's service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of air duct devices of electromagnetic valve auxiliary louver opening and closing air outlet, belong to transformer technical field, including upper seal plate, the inside wall of upper seal plate is equipped with mounting bracket and fan mounting plate, the mounting bracket is located in fan mounting plate, the upper seal plate another side wall is equipped with outer wind cover and position sensor, the position sensor is located in outer wind cover, the lower end of outer wind cover is equipped with protection assembly, the upper seal plate is equipped with fixed frame, the fixed frame is sequentially movably installed with multiple groups of self-vertical louver from top to bottom, the self-vertical louver is movably installed with connecting assembly;Change the existing air duct air outlet structure, increase auxiliary electrical element, so that axial flow fan can operate in better operating environment;Reduce wind resistance when operating;Reduce the operating current of fan;Increase the air volume of air outlet;Increase the service life of fan.
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Claims

1. A duct device for opening and closing an air outlet with a solenoid valve, characterized in that, The device includes an upper sealing plate. An mounting bracket and a fan mounting plate are installed on the inner wall of the upper sealing plate. The mounting bracket is located within the fan mounting plate. An outer hood and a position sensor are installed on the other side wall of the upper sealing plate. The position sensor is located within the outer hood. A protective component is installed at the lower end of the outer hood. A fixing frame is installed on the upper sealing plate. Multiple sets of self-closing louvers are movably installed on the fixing frame from top to bottom. A connecting assembly is movably installed on each self-closing louver. The connecting assembly includes multiple sets of connecting members for transmitting kinetic energy and a set of connecting rods. The number of connecting members is the same as the number of self-closing louvers. One end of each connecting member is movably installed on the side wall of the self-closing louver, and one end of any set of connecting members is movably installed on the connecting rod.

2. The air duct device of claim 1, wherein the electromagnetic valve is configured to open and close the air outlet according to the air flow rate of the air conditioner. A solenoid valve is installed on the mounting bracket. The solenoid valve is electrically connected to a position sensor via a controller. The valve core of the solenoid valve is placed near the uppermost self-closing louver.

3. The air duct device of claim 1, wherein the electromagnetic valve is installed in the air duct. The protective component includes a protective frame located at the lower end of the outer shroud. One side wall of the protective frame has a slot. The protective component also includes a fixed protective net and a movable protective net. The fixed protective net is located inside the protective frame, and the movable protective net is movably connected to the protective frame. The fixed protective net and the movable protective net are arranged alternately.

4. The air duct device of claim 3, wherein the electromagnetic valve is connected to the air duct device. The protective frame is also provided with a threaded hole 1 on one side wall, the threaded hole 1 is provided on both sides of the slot, the movable protective net is provided with a threaded hole 2 at one end near the slot, the threaded hole 1 and the threaded hole 2 are connected through, and the movable protective net is also provided with a threaded hole 3 at one end near the slot, the threaded hole 3 is provided inside the slot.

5. The air duct device of claim 1, wherein the electromagnetic valve is installed in the air duct device. An axial flow fan is mounted on the fan mounting plate.

6. The air duct device of claim 1, wherein the electromagnetic valve is installed in the air duct. The fixing bracket is installed between the outer shroud and the fan mounting plate.