A heating, ventilation and air conditioning air supply device with efficient and convenient dust removal function
By introducing components such as filters, roller brushes, drive motors, and negative pressure fans into the HVAC air supply system, the problem of dust escaping during the dust removal process of the air supply system is solved, achieving efficient dust removal and dust collection, and ensuring the cleanliness of the air supply duct and indoor air.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU YANGJI ELECTROMECHANICAL ENG CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-07-10
Smart Images

Figure CN224479800U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to an air conditioning air supply device, specifically a heating, ventilation and air conditioning air supply device with efficient and convenient dust removal function, belonging to the technical field of air conditioning air supply devices. Background Technology
[0002] Central air conditioning systems consist of one or more cold / heat source systems and multiple air conditioning systems. Due to their superior performance, they are widely used in large shopping malls and office buildings. To regulate the indoor temperature, corresponding air supply ducts need to be laid within the building to ensure that the cold or hot air generated by the central air conditioning system is delivered to the building interior more quickly and evenly. During operation, due to dust and impurities in the ambient air, dust filters need to be installed inside the air supply ducts to ensure the cleanliness of the supplied air.
[0003] A Chinese utility model patent (publication number: CN222480747U) discloses a dust removal device for air supply in HVAC systems. By rotating the access door, a first scraper and a second scraper, which abut against the filter plate, can scrape the windward side of the filter plate, causing the accumulated dust on the filter plate to fall onto the inner wall of the access door or the inner wall of the air supply duct. After the access door is rotated downwards by 90 degrees to reach the maximum opening position, the first scraper can scrape most of the area of the filter plate, and the remaining area of the filter plate is scraped by the second scraper. That is, as the access door is fully opened, the windward side of the filter plate can be completely scraped, and the accumulated dust on the filter plate can fall onto the inner wall of the access door and fall down with the opened access door.
[0004] Although it achieves dust removal from the filter plate, a lot of dust is generated during the actual dust removal operation. This dust escapes inside the air supply duct. Due to the lack of an effective collection mechanism and appropriate treatment methods, this dust cannot be collected. This not only has an adverse effect on the cleanliness of the air supply duct, but may also re-enter the air circulation during the air supply process, thus affecting the overall air quality. Therefore, a heating, ventilation and air conditioning air supply device with efficient and convenient dust removal function is proposed. Utility Model Content
[0005] In view of this, the present invention provides a heating, ventilation and air conditioning air supply device with efficient and convenient dust removal function to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.
[0006] The technical solution of this utility model embodiment is implemented as follows: A heating, ventilation and air conditioning air supply device with efficient and convenient dust removal function includes an air supply hood, and a dust removal component is installed inside the air supply hood. The dust removal component includes a filter screen, a linear module, a dust suction hood, a roller brush, a drive motor, a delivery pipe, a dust collection box, a negative pressure fan, a filter element, a sealing plate, and two guide seats.
[0007] The filter screen is fixedly connected to the inner wall of the air supply hood, the linear module is installed inside the air supply hood, the roller brush is rotatably connected to the inside of the dust collection hood, the drive motor is installed on the upper surface of the dust collection hood, the dust collection box is connected to the dust collection hood through a conveying pipe, the negative pressure fan is installed on the lower surface of the dust collection box, the two guide seats are symmetrically installed on both sides of the inner wall of the dust collection box, the filter element is installed inside the two guide seats, and the sealing plate abuts against the front surface of the filter element and is installed on the front surface of the dust collection box by screws.
[0008] More preferably, the dust collection hood is mounted on the slider of the linear module, and the output shaft of the drive motor is fixedly connected to the top of the roller brush.
[0009] More preferably, the bristle ends of the roller brush are attached to the rear surface of the filter screen.
[0010] More preferably, the dust collection box is installed on the lower surface of the air supply hood.
[0011] More preferably, the sealing plate is located below the air supply hood.
[0012] More preferably, the front surface of the air supply hood is equipped with an air outlet grille, which is located in front of the filter screen.
[0013] More preferably, an air supply pipe is fixedly connected to the rear surface of the air supply hood, and the air supply pipe is in communication with the air supply hood.
[0014] More preferably, an axial flow fan is installed inside the air supply duct.
[0015] The present invention has the following advantages due to the adoption of the above technical solution:
[0016] This invention uses a drive motor to rotate a roller brush at high speed. The brush bristles remove dust from the filter screen surface. Driven by a linear module, the air hood moves the roller brush along the trajectory of the linear module, allowing the roller brush to thoroughly clean the windward side of the filter screen from all directions. During the cleaning process, a negative pressure fan operates simultaneously. The dust cleaned by the roller brush is sucked into the dust collection box by the dust suction hood and then effectively collected inside the dust collection box by the filter element. Compared with the prior art, this invention can remove dust from the filter screen through the dust removal component, and can also collect the cleaned-up dust, thus preventing adverse effects on the cleanliness of the air duct and avoiding dust from re-entering the air circulation, ensuring indoor air quality.
[0017] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is an overall structural diagram of the present invention;
[0020] Figure 2 This is an exploded view of the structure of this utility model;
[0021] Figure 3 This is a structural diagram of the dust removal component of this utility model;
[0022] Figure 4 This is a schematic diagram showing the installation position of the roller brush according to this utility model;
[0023] Figure 5 This is a schematic diagram showing the installation position of the guide seat of this utility model.
[0024] Reference numerals: 101, Dust removal assembly; 11, Air supply hood; 12, Filter screen; 13, Linear module; 14, Dust suction hood; 15, Roller brush; 16, Drive motor; 17, Conveying pipe; 18, Dust collection box; 19, Negative pressure fan; 20, Filter element; 21, Sealing plate; 22, Guide seat; 31, Air supply duct; 32, Axial flow fan; 33, Air outlet grille. Detailed Implementation
[0025] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.
[0026] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0027] like Figures 1-5As shown, this utility model embodiment provides a heating, ventilation and air conditioning air supply device with efficient and convenient dust removal function, including an air supply hood 11, and a dust removal component 101 installed inside the air supply hood 11. The dust removal component 101 includes a filter screen 12, a linear module 13, a dust suction hood 14, a roller brush 15, a drive motor 16, a conveying pipe 17, a dust collection box 18, a negative pressure fan 19, a filter element 20, a sealing plate 21, and two guide seats 22.
[0028] The filter 12 is fixedly connected to the inner wall of the air supply hood 11. The filter 12 can effectively filter the air flowing into the room and ensure air quality.
[0029] The linear module 13 is installed inside the air supply hood 11, the roller brush 15 is rotatably connected to the inside of the dust collection hood 14, the drive motor 16 is installed on the upper surface of the dust collection hood 14, and the output shaft of the drive motor 16 is fixedly connected to the top of the roller brush 15. The brush bristles of the roller brush 15 are attached to the rear surface of the filter screen 12. The drive motor 16 drives the roller brush 15 to rotate at high speed. When the brush bristles of the roller brush 15 are tightly attached to the filter screen 12, the dust on the surface of the filter screen 12 can be effectively removed.
[0030] Driven by the linear module 13, the air supply shroud 11 drives the roller brush 15 to move along the motion trajectory of the linear module 13, thereby enabling the roller brush 15 to thoroughly clean the windward side of the filter screen 12 from all directions.
[0031] The dust collection box 18 is connected to the dust collection hood 14 through the conveying pipe 17. The negative pressure fan 19 is installed on the lower surface of the dust collection box 18. Two guide seats 22 are symmetrically installed on both sides of the inner wall of the dust collection box 18. The roller brush 15 is located inside the dust collection hood 14. The dust collection box 18 is installed on the lower surface of the air supply hood 11. When the negative pressure fan 19 is running, a negative pressure environment is formed inside the dust collection box 18. The dust collection hood 14 is connected to the dust collection box 18 through the conveying pipe 17, so that the inside of the dust collection hood 14 is also in a negative pressure state.
[0032] Since the roller brush 15 is placed inside the dust collection hood 14, the dust cleaned by the roller brush 15 is sucked into the dust collection hood 14 and transported to the dust collection box 18. Subsequently, under the filtration of the filter element 20, the dust is effectively collected inside the dust collection box 18.
[0033] The filter element 20 is installed inside the two guide seats 22. The sealing plate 21 abuts against the front surface of the filter element 20 and is installed on the front surface of the dust collection box 18 by screws. The dust suction hood 14 is installed on the slider of the linear module 13. The sealing plate 21 is located below the air supply hood 11. The position of the filter element 20 can be defined by the sealing plate 21 and the guide seats 22. When the filter element 20 is used for a long time, the filter element 20 can be easily removed by simply removing the sealing plate 21 for cleaning or replacement.
[0034] In one embodiment, an air outlet grille 33 is installed on the front surface of the air supply hood 11. The air outlet grille 33 is located in front of the filter screen 12, and the grille angle on the air outlet grille 33 is adjustable to adjust the air outlet angle.
[0035] In one embodiment, an air supply duct 31 is fixedly connected to the rear surface of the air supply hood 11. The air supply duct 31 is connected to the air supply hood 11. An axial flow fan 32 is installed inside the air supply duct 31. When the axial flow fan 32 is started, cold or hot air in the air supply duct 31 is transported to the air supply hood 11, thereby realizing the air supply function of the HVAC system.
[0036] In operation, the axial flow fan 32 starts, and cold or hot air from the air supply duct 31 is delivered to the air supply hood 11. After being filtered by the filter screen 12, it is discharged from the air outlet grille 33. The filter screen 12 can filter the air flowing into the room to ensure air quality. After the air supply device has been working for a certain period of time, the dust on the windward surface of the filter screen 12 is removed. The drive motor 16 drives the roller brush 15 to rotate at high speed. The brush bristles of the roller brush 15 remove the dust from the surface of the filter screen 12. Driven by the linear module 13, the air supply hood 11 drives the roller brush 15 along the movement trajectory of the linear module 13. The roller brush 15 moves, thus thoroughly cleaning the windward side of the filter screen 12 from all directions. During the cleaning process, the negative pressure fan 19 runs synchronously, creating a negative pressure environment inside the dust collection box 18. Under the action of the conveying pipe 17, the dust collection hood 14 is also in a negative pressure state. At this time, the dust cleaned by the roller brush 15 is sucked into the dust collection hood 14 and transported to the dust collection box 18. Then, under the filtration of the filter element 20, the dust is effectively collected inside the dust collection box 18. When the filter element 20 is used for a long time, the filter element 20 can be easily removed by simply removing the sealing plate 21 for cleaning or replacement.
[0037] Compared with the prior art, the present invention can remove dust from the filter screen 12 through the dust removal component 101, and can also collect the cleaned dust, so that the dust will not adversely affect the cleanliness of the air supply duct 31, prevent dust from re-entering the air circulation, and ensure the indoor air quality.
[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.
Claims
1. A heating, ventilation, and air conditioning (HVAC) air supply device with efficient and convenient dust removal function, comprising an air supply hood (11), characterized in that: The air supply hood (11) is equipped with a dust removal assembly (101), which includes a filter screen (12), a linear module (13), a dust suction hood (14), a roller brush (15), a drive motor (16), a delivery pipe (17), a dust collection box (18), a negative pressure fan (19), a filter element (20), a sealing plate (21), and two guide seats (22). The filter screen (12) is fixedly connected to the inner wall of the air supply hood (11), the linear module (13) is installed inside the air supply hood (11), the roller brush (15) is rotatably connected to the inside of the dust collection hood (14), the drive motor (16) is installed on the upper surface of the dust collection hood (14), the dust collection box (18) is connected to the dust collection hood (14) through the conveying pipe (17), the negative pressure fan (19) is installed on the lower surface of the dust collection box (18), the two guide seats (22) are symmetrically installed on both sides of the inner wall of the dust collection box (18), the filter element (20) is installed inside the two guide seats (22), and the sealing plate (21) abuts against the front surface of the filter element (20) and is installed on the front surface of the dust collection box (18) by screws.
2. The HVAC air supply device with efficient and convenient dust removal function according to claim 1, characterized in that: The dust cover (14) is mounted on the slider of the linear module (13), and the output shaft of the drive motor (16) is fixedly connected to the top of the roller brush (15).
3. The HVAC air supply device with efficient and convenient dust removal function according to claim 2, characterized in that: The bristle ends of the roller brush (15) are attached to the rear surface of the filter screen (12).
4. The HVAC air supply device with efficient and convenient dust removal function according to claim 3, characterized in that: The dust collection box (18) is installed on the lower surface of the air supply hood (11).
5. A heating, ventilation, and air conditioning air supply device with efficient and convenient dust removal function according to claim 4, characterized in that: The sealing plate (21) is located below the air supply hood (11).
6. A heating, ventilation, and air conditioning air supply device with efficient and convenient dust removal function according to claim 1, characterized in that: The front surface of the air supply hood (11) is equipped with an air outlet grille (33), which is located in front of the filter (12).
7. A heating, ventilation, and air conditioning air supply device with efficient and convenient dust removal function according to claim 6, characterized in that: An air supply pipe (31) is fixedly connected to the rear surface of the air supply hood (11), and the air supply pipe (31) is connected to the air supply hood (11).
8. A heating, ventilation, and air conditioning air supply device with efficient and convenient dust removal function according to claim 7, characterized in that: An axial flow fan (32) is installed inside the air supply duct (31).