Mobile air conditioner with flow-dividing noise-reducing air duct structure

By installing sound-insulating pads, sound-absorbing cotton, and sound-insulating panels inside the air duct of the portable air conditioner, and utilizing a limiting and engaging structure combined with a flow divider and flow holes, the noise problem of the air duct is solved, achieving noise reduction and air diversion, thus improving the user experience.

CN224246314UActive Publication Date: 2026-05-15FOSHAN SHUNDE WEIDIAN IND DESIGN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FOSHAN SHUNDE WEIDIAN IND DESIGN CO LTD
Filing Date
2025-06-06
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The air ducts of existing portable air conditioners generate significant noise during use, affecting the user experience.

Method used

Sound insulation pads and sound-absorbing cotton are installed inside the air duct, and sound insulation boards are installed on the surface of the air duct. The air is limited by connecting blocks and limiting springs. Combined with the diversion plate and diversion hole, the air is diverted.

Benefits of technology

It effectively reduces the noise of airflow within the air duct, avoids noise caused by airflow impact and rebound, and improves the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mobile air conditioner with a flow-dividing noise-reducing air duct structure, which comprises an air conditioner shell, an air outlet is arranged in the middle of the top end of the front surface of the air conditioner shell, and a grating is arranged in the air outlet. According to the mobile air conditioner, a sound insulation pad and sound absorption cotton are arranged on the inner side of a flow guide air channel, a sound insulation plate is arranged on the surface of the flow guide air channel, noise generated when air flows in the flow guide air channel can be reduced, two connecting clamping blocks are clamped with two connecting clamping grooves in a limiting mode, and therefore a sound insulation flow dividing cover can be preliminarily limited; the two limiting elastic pieces are clamped with the two limiting grooves in a limiting mode so that the sound insulation flow dividing cover can be further limited conveniently, the sound insulation flow dividing cover, the flow dividing plate and the multiple flow dividing holes are arranged in a matched mode so that flow dividing treatment can be conducted on air in the flow guiding air channel conveniently, and the situation that high-speed air flow at a certain position rebounds due to impact, and large noise is generated is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of portable air conditioners, specifically a portable air conditioner with a diversion and noise reduction duct structure. Background Technology

[0002] Portable air conditioners are independent air conditioning units that integrate core components such as compressors, evaporators, and condensers. They require no fixed installation and can be moved flexibly via casters, allowing them to be used in different rooms or locations at any time. However, the internal airflow ducts of existing portable air conditioners generate considerable noise during operation, thus affecting the user experience.

[0003] To address the aforementioned issues, a portable air conditioner with a diversion and noise reduction duct structure is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a portable air conditioner with a diversion and noise reduction duct structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a portable air conditioner with a diversion and noise reduction duct structure, comprising an air conditioner housing, an air outlet at the center of the top front of the air conditioner housing, a grille inside the air outlet, a guide duct fixedly installed on the top inner side of the air conditioner housing, the guide duct corresponding to the air outlet, an annular fixing seat fixedly installed in the center of the inner side of the guide duct, a sound insulation diversion cover engaged at one end of the annular fixing seat, a diversion plate fixedly installed inside the sound insulation diversion cover, a plurality of evenly distributed diversion holes on the surface of the diversion plate, a sound insulation pad fixedly installed inside the sound insulation diversion cover, sound-absorbing cotton fixedly installed inside the sound insulation pad, and a sound insulation plate fixedly installed inside the guide duct.

[0006] This portable air conditioner reduces noise generated when air flows within the air duct by incorporating sound-absorbing pads and cotton on the inner side of the duct and sound-absorbing panels on its surface. Two connecting blocks engage with two connecting slots to initially limit the sound-insulating diffuser cover, while two limiting springs engage with two limiting slots to further limit its position. The combination of the diffuser cover, diffuser plate, and several diffuser holes facilitates airflow distribution within the duct, preventing high-speed airflow from generating significant noise due to impact and rebound.

[0007] Preferably, two connecting slots are provided at the connection between the annular fixed base and the sound insulation diversion cover. Each of the two connecting slots has a connecting block engaged inside. Both connecting blocks are fixedly connected to the sound insulation diversion cover. The two connecting blocks engage with the limiting positions of the two connecting slots to facilitate the initial positioning of the sound insulation diversion cover.

[0008] Preferably, each of the two connecting blocks has a mounting groove on one side, and a limiting spring is fixedly installed inside each of the two mounting grooves. A limiting groove is opened on the inner side of each of the two connecting blocks, and the two limiting springs are respectively engaged with the two limiting grooves. The engagement of the two limiting springs with the two limiting grooves facilitates further limiting of the sound insulation diffuser.

[0009] Preferably, an air inlet window is fixedly connected to the bottom of one side of the inner wall of the air conditioner casing, and a filter screen is fixedly installed at one end of the inner side of the air inlet window. The filter screen facilitates the filtration of the air entering the air conditioner.

[0010] Preferably, a nameplate is fixedly provided at one corner of the top front of the air conditioner casing, which facilitates the marking of relevant information about the air conditioner.

[0011] Preferably, auxiliary grooves are provided on the top of both sides of the air conditioner casing, which facilitates the handling of the air conditioner.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This portable air conditioner reduces noise generated when air flows within the air duct by incorporating sound-absorbing pads and cotton on the inner side of the duct and sound-absorbing panels on its surface. Two connecting blocks engage with two connecting slots to initially limit the sound-insulating diffuser cover, while two limiting springs engage with two limiting slots to further limit its position. The combination of the diffuser cover, diffuser plate, and several diffuser holes facilitates airflow distribution within the duct, preventing high-speed airflow from generating significant noise due to impact and rebound. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model;

[0015] Figure 2 This is a side sectional view of the present invention;

[0016] Figure 3 This is an enlarged view of part A of this utility model;

[0017] Figure 4This is an enlarged view of part B of the present invention.

[0018] In the diagram: 1. Air conditioner casing; 2. Nameplate; 3. Air outlet; 4. Grille; 5. Auxiliary groove; 6. Air duct; 7. Annular mounting base; 8. Sound insulation and diversion cover; 9. Diversion plate; 10. Diversion hole; 11. Connecting slot; 12. Connecting block; 13. Mounting groove; 14. Limiting spring; 15. Limiting groove; 16. Sound insulation pad; 17. Sound-absorbing cotton; 18. Sound insulation board; 19. Air inlet window; 20. Filter screen. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] Please see Figure 1-4 This utility model provides a portable air conditioner with a diversion and noise reduction duct structure, including an air conditioner housing 1. An air outlet 3 is located at the center of the top front of the air conditioner housing 1. A grille 4 is installed inside the air outlet 3. A guide duct 6 is fixedly installed on the top inner side of the air conditioner housing 1, corresponding to the air outlet 3. An annular fixing seat 7 is fixedly installed in the center of the inner side of the guide duct 6. A sound insulation diversion cover 8 is engaged at one end of the annular fixing seat 7. A diversion plate 9 is fixedly installed inside the sound insulation diversion cover 8. Several evenly distributed diversion holes 10 are opened on the surface of the diversion plate 9. A sound insulation pad 16 is fixedly installed inside the sound insulation diversion cover 8. Sound-absorbing cotton 17 is fixedly installed inside the sound insulation pad 16. The guide duct 6 is fixedly installed inside the air outlet 4. The portable air conditioner is equipped with a sound insulation panel 18. By providing a sound insulation pad 16 and sound-absorbing cotton 17 on the inner side of the air duct 6 and a sound insulation panel 18 on the surface of the air duct 6, the noise generated when air flows in the air duct 6 can be reduced. The two connecting blocks 12 are engaged with the two connecting slots 11 to facilitate the initial positioning of the sound insulation hood 8. The two limiting springs 14 are engaged with the two limiting slots 15 to facilitate the further positioning of the sound insulation hood 8. The combination of the sound insulation hood 8, the diversion plate 9 and several diversion holes 10 facilitates the diversion of air in the air duct 6, avoiding the generation of large noise due to the impact and rebound of high-speed airflow in a certain place.

[0021] Two connecting slots 11 are provided at the connection between the annular fixed base 7 and the sound insulation diversion cover 8. Connecting blocks 12 are engaged inside the two connecting slots 11. The two connecting blocks 12 are fixedly connected to the sound insulation diversion cover 8. A placement groove 13 is provided on one side of each of the two connecting blocks 12. A limiting spring 14 is fixedly provided inside the two placement grooves 13. A limiting groove 15 is provided on the inner side of each of the two connecting slots 11. The two limiting springs 14 are engaged with the two limiting grooves 15 respectively. An air inlet window 19 is fixedly connected to the bottom of one side of the inner wall of the air conditioner housing 1. A filter screen 20 is fixedly provided at one end of the inner side of the air inlet window 19.

[0022] In use, the two connecting blocks 12 engage with the two connecting slots 11 to facilitate the initial positioning of the sound insulation diffuser 8, and the two limiting springs 14 engage with the two limiting slots 15 to facilitate the further positioning of the sound insulation diffuser 8. The filter screen 20 facilitates the filtration of the air entering the air conditioner.

[0023] A nameplate 2 is fixedly installed on one corner of the top front of the air conditioner housing 1, and auxiliary grooves 5 are provided on the top of both sides of the air conditioner housing 1;

[0024] When in use, the nameplate 2 makes it easy to mark relevant information about the air conditioner, and the two auxiliary grooves 5 make it easy to move the air conditioner.

[0025] In use, this embodiment of the application demonstrates that the portable air conditioner reduces noise generated when air flows within the air duct 6 by providing a sound-insulating pad 16 and sound-absorbing cotton 17 on the inner side of the air duct 6 and a sound-insulating plate 18 on the surface of the air duct 6. The two connecting blocks 12 engage with the two connecting slots 11 to initially limit the sound insulation shroud 8, and the two limiting springs 14 engage with the two limiting grooves 15 to further limit the sound insulation shroud 8. The combination of the sound insulation shroud 8, the diversion plate 9, and several diversion holes 10 facilitates the diversion of air within the air duct 6, preventing high-speed airflow from generating significant noise due to impact and rebound.

[0026] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A portable air conditioner with a diversion and noise reduction duct structure, comprising an air conditioner housing (1), characterized in that: An air outlet (3) is provided in the middle of the top front of the air conditioner housing (1). A grille (4) is provided inside the air outlet (3). A guide air duct (6) is fixedly provided on the top inner side of the air conditioner housing (1). The guide air duct (6) is correspondingly provided with the air outlet (3). An annular fixing seat (7) is fixedly provided in the middle inner side of the guide air duct (6). A sound insulation diversion cover (8) is engaged at one end of the annular fixing seat (7). A diversion plate (9) is fixedly provided inside the sound insulation diversion cover (8). Several evenly distributed diversion holes (10) are provided on the surface of the diversion plate (9). A sound insulation pad (16) is fixedly provided inside the sound insulation diversion cover (8). A sound-absorbing cotton (17) is fixedly provided inside the sound insulation pad (16). A sound insulation plate (18) is fixedly provided inside the guide air duct (6).

2. A portable air conditioner with a diversion and noise reduction duct structure according to claim 1, characterized in that: Two connecting slots (11) are provided at the connection between the annular fixed seat (7) and the sound insulation diversion cover (8). A connecting block (12) is engaged inside each of the two connecting slots (11), and the two connecting blocks (12) are fixedly connected to the sound insulation diversion cover (8).

3. A portable air conditioner with a diversion and noise reduction duct structure according to claim 2, characterized in that: Each of the two connecting blocks (12) has a mounting groove (13) on one side, and a limiting spring (14) is fixedly installed inside each of the two mounting grooves (13). Each of the two connecting slots (11) has a limiting groove (15) on its inner side, and the two limiting springs (14) are engaged with the two limiting grooves (15) respectively.

4. A portable air conditioner with a diversion and noise reduction duct structure according to claim 1, characterized in that: An air inlet window (19) is fixedly connected to the bottom of one side of the inner wall of the air conditioner housing (1), and a filter screen (20) is fixedly installed at one end of the inner side of the air inlet window (19).

5. A portable air conditioner with a diversion and noise reduction duct structure according to claim 1, characterized in that: A nameplate (2) is fixedly installed on one corner of the top front of the air conditioner casing (1).

6. A portable air conditioner with a diversion and noise reduction duct structure according to claim 1, characterized in that: The top of both sides of the air conditioner housing (1) is provided with auxiliary grooves (5).