Filtering device for heating and ventilation pipeline

By combining a detachable air filter unit, a motor-driven scraper, and an ultraviolet germicidal lamp, the problems of dust clogging and inconvenient disassembly in HVAC duct filtration devices are solved, achieving efficient air filtration and convenient maintenance.

CN224040356UActive Publication Date: 2026-03-27张崇浩
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing HVAC duct filtration devices are prone to clogging by dust and impurities during use, affecting air cleanliness and being difficult to disassemble, leading to bacterial growth.

Method used

It adopts a detachable air filter unit, combined with a sterilization unit and a cleaning unit. The motor-driven scraper cleans dust, the ultraviolet germicidal lamp sterilizes, and the filter screen can be easily removed through the plug locking structure.

Benefits of technology

It effectively prevents dust blockage, ensures air cleanliness, improves the utilization efficiency of the filter device, and simplifies the filter maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filtering device for a heating and ventilation pipeline, which relates to the technical field of heating and ventilation equipment and comprises an inner heating and ventilation pipeline and a connecting frame fixedly connected to the air inlet end of the inner heating and ventilation pipeline. The outer heating and ventilation pipeline is fixedly connected to one side of the connecting frame; the air filtering unit is detachably mounted on the inner wall of the connecting frame; and the dismounting unit is arranged outside the connecting frame and the air filtering unit. According to the air purifier, dust impurities in air are filtered through the air filtering unit, the dust impurities filtered by the air filtering unit are scraped under the action of the cleaning unit, the air filtering unit is prevented from being blocked by the impurities, the filtering effect is prevented from being affected, the filtered air can be sterilized through the sterilization unit, and the air purification effect is improved. And by arranging the dismounting unit, the air filtering unit is more convenient to dismount, so that the utilization efficiency of the filtering device is effectively improved, and the use effect of the filtering device is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heating and ventilation equipment technical field, concretely relates to a filter device for heating and ventilation pipeline. BACKGROUND

[0002] Heating and ventilation is a component of building, including three aspects of heating, ventilation and air conditioning, and the heating and ventilation pipeline is an important infrastructure in winter heating, in addition, is also the infrastructure for conveying hot air in some industrial fields, and the heating and ventilation pipeline is very widely applicable, and can be used in the fields of purification system, central air conditioning, industrial air supply and exhaust, environmental protection system and the like, in the process of using the heating and ventilation pipeline, a filter device needs to be provided to treat impurities in the air, so as to ensure the cleanliness of the air.

[0003] A filter device for heating and ventilation pipeline, which relates to filter screen technology in heating and ventilation pipeline, the utility model discloses a shell and filter screen, the inside of shell is equipped with the locking lug of sliding to the perpendicular to its installation surface, the shell is equipped with the reset spring of acting on the locking lug, and it is used for forcing the reset of the locking lug under extrusion, the shell is equipped with the forced part, when the filter screen is located in the inside of shell, the forced part is used for forcing the frame of filter screen to resist the one side of locking lug towards the inside of shell.

[0004] The existing technology has the following problems: in order to solve the problem that the existing filter device is mostly fixed by bolts when in use, the filter screen cannot be quickly installed and disassembled, the existing technology adopts the mode that the locking lug, reset spring, forced part, sliding block, positioning spring and resistance panel are matched with each other to process, but the dust and impurities filtered on the filter screen can block the filter screen when in use, thereby affecting the filtering effect, and the impurities in the air can easily breed bacteria for a long time, which can affect the cleanliness of the air when passing. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a filter device for heating and ventilation pipeline to solve the problems in the above background technology.

[0006] To solve the above technical problems, the utility model adopts the technical scheme that:

[0007] The utility model discloses a filter device for heating pipeline, which comprises an inner heating pipeline, a connecting frame fixedly connected to the air inlet end of the inner heating pipeline, an outer heating pipeline fixedly connected to one side of the connecting frame, an air filter unit detachably mounted on the inner wall of the connecting frame, a dismounting unit arranged outside the connecting frame and the air filter unit, a sterilization unit arranged inside the air filter unit, a cleaning unit fixedly installed on the inner surface of the outer heating pipeline, and a pull-out plate frame and a filter screen.

[0008] The outer surface of the pull-out plate frame is slidably connected to the inner wall of the connecting frame, and the filter screen is fixedly installed on the inner wall of the pull-out plate frame.

[0009] The installation driving part comprises a mounting bracket fixedly installed on the inner surface of the outer heating pipeline, and a motor fixedly installed on the central inner surface of the mounting bracket.

[0010] The cleaning part comprises a rotating disc fixedly connected to the output shaft of the motor, and a cleaning scraper plate fixedly connected to the side surface of the filter screen and in contact with the filter screen.

[0011] The sterilization unit comprises a lamp plate fixedly installed on the inner surface of the pull-out plate frame, an ultraviolet germicidal lamp electrically connected to the output end of the lamp plate, and an external power supply electrically connected to the wiring end of the lamp plate.

[0012] One end of the ultraviolet germicidal lamp, away from the lamp plate, is fixedly connected to a connecting plate, and the side surface of the connecting plate is fixedly connected to the side surface of the pull-out plate frame.

[0013] The further improvement of the technical scheme of the utility model lies in that the lower locking ring is fixedly connected on the outer surface of the pull-out plate frame, and when the pull-out plate frame is slid into the connecting frame and is embedded with the connecting frame, the lower locking ring is below the upper locking ring, and the lower locking ring and the upper locking ring are on the same central axis, the plug rod is movably inserted into the inner surfaces of the upper locking ring and the lower locking ring, and the plug rod is inserted into the upper locking ring and the lower locking ring, so that the pull-out plate frame and the filter screen are stably locked when filtering air.

[0014] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0015] 1. The utility model provides a filter device for heating and ventilation pipeline, through the setting of the air filter unit, dust and impurities in the air are filtered, and the dust and impurities filtered by the air filter unit are scraped off by cooperating with the cleaning unit, so that the filter effect is not affected by the blockage of impurities. In addition, the sterilization unit can sterilize the filtered air, and the disassembly of the air filter unit is more convenient through the setting of the disassembly unit, thereby effectively improving the utilization efficiency of the filter device and ensuring the use effect.

[0016] 2. The utility model provides a filter device for heating and ventilation pipeline, through the cooperation of the motor and the rotating disc, the cleaning scraper is driven to rotate, dust and impurities adhered to the filter screen are cleaned, and the filter screen is prevented from being blocked by dust and impurities, thereby ensuring the air conveying efficiency of the heating and ventilation pipeline under the condition of saving labor, and further ensuring the cleanliness of the air through the cooperation of the ultraviolet sterilization lamp and the lamp panel.

[0017] 3. The utility model provides a filter device for heating and ventilation pipeline, through the insertion of the plug rod into the upper locking ring and the lower locking ring, the pull-out plate frame and the filter screen are stably locked when filtering air, thereby ensuring the safety of the heating and ventilation pipeline conveying air, and the plug rod is inserted into the upper locking ring and the lower locking ring in a plug-in fixing mode, so that the pull-out and maintenance of the pull-out plate frame and the filter screen are more labor-saving and convenient. ACCURACY OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a sectional structure schematic view of the utility model;

[0020] Figure 3 It is an exploded structure schematic view of the connecting frame and the air filter unit of the utility model;

[0021] Figure 4 It is aFigure 3 Enlarged structural schematic view of A in the figure;

[0022] Figure 5 Schematic view of the sectional structure of the cleaning unit and the outer heating and ventilation pipeline.

[0023] Figure 6 Schematic view of the sectional structure of the cleaning unit and the outer heating and ventilation pipeline.

[0024] In the figure: 1, inner heating and ventilation pipeline; 2, connecting frame; 3, air filtering unit; 31, pull-out plate frame; 32, filter screen; 4, dismounting unit; 41, upper locking ring; 42, insertion rod; 43, lower locking ring; 5, cleaning unit; 51, mounting rack; 52, motor; 53, rotating disc; 54, cleaning scraper; 6, sterilization unit; 61, ultraviolet sterilization lamp; 62, lamp plate; 63, connecting plate; 7, outer heating and ventilation pipeline. DETAILED DESCRIPTION

[0025] The utility model will be made further detailed explanation in combination with example: Embodiment

[0026] As Figures 1-6 shown, the utility model provides a kind of filtering device for heating and ventilation pipeline, including inner heating and ventilation pipeline 1 and the connecting frame 2 of fixed connection in the air inlet end of inner heating and ventilation pipeline 1;Fixed connection in one side of connecting frame 2 outer heating and ventilation pipeline 7;Air filtering unit 3 can be detachably installed on the inner wall of connecting frame 2;Dismounting unit 4 is arranged at the outside of connecting frame 2 and air filtering unit 3;Sterilization unit 6 is arranged at the inside of air filtering unit 3;And cleaning unit 5 is fixedly installed on the inner surface of outer heating and ventilation pipeline 7, air filtering unit 3 includes pull-out plate frame 31 and filter screen 32, by the setting of air filtering unit 3, dust and impurity in air are filtered, cleaning unit 5 includes the cleaning part for cleaning filter screen 32 for being arranged at one side of filter screen 32, and the outer surface of cleaning part is fixedly installed with installation driving part, cooperate the effect of cleaning unit 5, dust and impurity filtered by air filtering unit 3 are scraped, avoid impurity to block air filtering unit 3, influence filtering effect, sterilization unit 6 is arranged at the side of filter screen 32 away from cleaning unit 5, utilize the sterilization treatment that can be carried out to the air after filtering of sterilization unit 6, dismounting unit 4 includes upper locking ring 41, insertion rod 42 and lower locking ring 43, upper locking ring 41 is welded on the outer surface of connecting frame 2, utilize the setting of dismounting unit 4, so that the dismounting of air filtering unit 3 is more convenient, the inner wall of connecting frame 2 is slidably connected with the outer surface of pull-out plate frame 31, filter screen 32 is fixedly installed on the inner wall of pull-out plate frame 31, by the setting of filter screen 32, dust and impurity in air are filtered, and utilize pull-out plate frame 31 and filter screen 32, so that filter screen 32 can be disassembled and cleaned. Embodiment

[0027] As Figures 1-6 The utility model provides a technical scheme based on the embodiment 1: preferably, the installation drive part includes the mounting frame 51 fixedly installed on the inner surface of the outer heating pipe 7, the motor 52 is fixedly installed on the center inner surface of the mounting frame 51, the cleaning part includes the turntable 53 fixedly connected on the output shaft of the motor 52, the outer surface of the turntable 53 is fixedly connected with the clean scraping plate 54 in contact with the side surface of the filter screen 32, the output shaft of the motor 52 drives the rotation of the turntable 53 and the clean scraping plate 54, the dust and impurities filtered on the filter screen 32 are cleaned, the filter screen 32 is prevented from being blocked by dust and impurities, manpower is saved, and the air conveying efficiency of the heating pipe is ensured.

[0028] Further, the sterilization unit 6 includes the lamp plate 62 fixedly installed on the inner surface of the pull-out plate frame 31, the output end of the lamp plate 62 is electrically connected with the ultraviolet germicidal lamp 61, the wiring end of the lamp plate 62 is electrically connected with the external power supply, the end, away from the lamp plate 62, of the ultraviolet germicidal lamp 61 is fixedly connected with the connecting plate 63, the side surface of the connecting plate 63 is fixedly connected with the side surface of the pull-out plate frame 31, through the setting of the ultraviolet germicidal lamp 61 and the lamp plate 62, the filtered air is sterilized by the irradiation of the ultraviolet germicidal lamp 61, and the cleanliness of the air is ensured. Embodiment

[0029] As Figures 1-6 The utility model provides a technical scheme based on the embodiment 1-2: preferably, the lower locking ring 43 is fixedly connected on the outer surface of the pull-out plate frame 31, when the pull-out plate frame 31 is slid into the connecting frame 2 and is embedded with the connecting frame 2, the lower locking ring 43 is below the upper locking ring 41, and the lower locking ring 43 and the upper locking ring 41 are on the same center axis, the plug rod 42 is inserted into the inner surface of the upper locking ring 41, the lower locking ring 43 and the upper locking ring 41, the lower locking ring 43 and the upper locking ring 41, through the insertion of the plug rod 42 in the upper locking ring 41, the lower locking ring 43, when filtering the air, the pull-out plate frame 31 and the filter screen 32 are stably locked, when the filter screen 32 needs to be cleaned and maintained, the plug rod 42 is pulled out from the upper locking ring 41, the lower locking ring 43, and the filter screen 32 can be cleaned.

[0030] The working principle of the filter device for the heating pipe will be described below.

[0031] As Figures 1-6As shown, in use, the ambient air is filled through the outer warm duct 7, the dust and impurities in the air are filtered by the filter screen 32, the filtered air is sterilized by the irradiation of the ultraviolet sterilization lamp 61, and then the clean air is delivered through the inner warm duct 1 for the related application of the warm engineering. If the filter screen 32 needs to be cleaned, the motor 52 is started to drive the rotating disc 53 and the cleaning scraper 54 to rotate through the output shaft of the motor 52, so as to clean the dust and impurities filtered on the filter screen 32, prevent the filter screen 32 from being blocked by the dust and impurities, and perform the maintenance of the pull-out plate frame 31 and the filter screen 32.

[0032] The above has made a detailed description of the utility model in general, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A heating and ventilation pipeline filtering device, comprising an inner heating and ventilation pipeline (1) and a connecting frame (2) fixedly connected to the air inlet end of the inner heating and ventilation pipeline (1); an outer heating and ventilation pipeline (7) fixedly connected to one side of the connecting frame (2); an air filtering unit (3) detachably mounted on the inner wall of the connecting frame (2); a dismounting unit (4) arranged outside the connecting frame (2) and the air filtering unit (3); a sterilization unit (6) arranged inside the air filtering unit (3); the air filtering unit (3) comprises a pull-out plate frame (31) and a filter screen (32), the cleaning unit (5) comprises a cleaning part arranged on one side of the filter screen (32) for cleaning the filter screen (32), an installation driving part is fixedly mounted on the outside of the cleaning part, the sterilization unit (6) is arranged on the side of the filter screen (32) away from the cleaning unit (5), the dismounting unit (4) comprises an upper locking ring (41), a plug rod (42) and a lower locking ring (43), and the upper locking ring (41) is welded on the outer surface of the connecting frame (2). The outer surface of the pull-out plate frame (31) is in sliding connection with the inner wall of the connecting frame (2), and the filter screen (32) is fixedly mounted on the inner wall of the pull-out plate frame (31). The installation driving part comprises a mounting bracket (51) fixedly mounted on the inner surface of the outer heating and ventilation pipeline (7), and a motor (52) fixedly mounted on the center inner surface of the mounting bracket (51). The cleaning part comprises a rotating disc (53) fixedly connected to the output shaft of the motor (52), and a cleaning scraper (54) fixedly connected to the outer surface of the rotating disc (53) and in contact with the side surface of the filter screen (32). The sterilization unit (6) comprises a lamp plate (62) fixedly mounted on the inner surface of the pull-out plate frame (31), an ultraviolet sterilization lamp (61) electrically connected to the output end of the lamp plate (62), and an external power supply electrically connected to the wiring end of the lamp plate (62). and a cleaning unit (5) fixedly installed on the inner surface of the outer heating and ventilation pipe (7), characterized in that: One end of the ultraviolet sterilization lamp (61) away from the lamp plate (62) is fixedly connected with a connecting plate (63), and the side surface of the connecting plate (63) is fixedly connected with the side surface of the pull-out plate frame (31).

2. A filter device for use in a heating, ventilation, and air conditioning duct as defined in claim 1, wherein: The lower locking ring (43) is fixedly connected to the outer surface of the pull-out plate frame (31), and when the pull-out plate frame (31) is inserted into the connecting frame (2) and embedded with the connecting frame (2), the lower locking ring (43) is located below the upper locking ring (41), and the lower locking ring (43) and the upper locking ring (41) are on the same central axis, and the plug rod (42) is inserted into the upper locking ring (41) and the lower locking ring (43) and is movably inserted into the inner surfaces of the upper locking ring (41) and the lower locking ring (43).

3. The filter apparatus for use in a heating, ventilation, and air conditioning duct of claim 1, wherein: ​ 4. A filter device for use in a heating, ventilation and air conditioning duct according to claim 3, wherein: ​ 5. The filter apparatus for use in a heating, ventilation, and air conditioning system of claim 1, wherein: ​ 6. A filter device for use in a heating, ventilation, and air conditioning duct as defined in claim 5, wherein: ​ 7. The filter apparatus for use in a heating, ventilation, and air conditioning system of claim 1, wherein: ​

Citation Information

Patent Citations

  • Filtering device for heating and ventilation pipeline

    CN215654343U