Dustproof cover for refrigeration fan

Abstract

The utility model relates to refrigeration fan technical field discloses a refrigeration fan dust cover, including the casing, both sides of casing all are fixedly installed photocatalytic filter screen, the top of casing is fixedly installed with speed reducer motor, the output of speed reducer motor is fixedly installed with reciprocating screw rod, the surface screw thread connection of reciprocating screw rod has mobile brush holder, the surface of mobile brush holder is in contact with the surface of photocatalytic filter screen, the surface fixed connection of mobile brush holder has reverse jet board, and reverse jet board is located inside the casing. In the utility model, through the mutual cooperation of casing, photocatalytic filter screen, speed reducer motor, reciprocating screw rod, mobile brush holder, reverse jet board, fan and flexible pipe one structure, drive mobile brush holder and reverse jet board to move back and forth, carry out cleaning work to the dust adhered on the surface of photocatalytic filter screen, realize the effect that photocatalytic filter screen can be cleaned quickly.

Description

Technical Field

[0001] This utility model relates to the field of refrigeration fan technology, and in particular to a dust cover for a refrigeration fan. Background Technology

[0002] A cooling fan (also known as an eco-friendly air conditioner or evaporative air cooler) is a ventilation device that achieves cooling by absorbing heat through water evaporation. Its core feature is that it does not rely on traditional compressors for cooling, but instead uses water evaporation to remove heat and combines it with a fan to deliver airflow to achieve a cooling effect.

[0003] A search revealed Chinese Patent Publication No. CN211716760U, which discloses a dust cover for a refrigeration fan, relating to the field of refrigeration accessories technology. The device includes a housing with fixing grooves on both sides. Each fixing groove has fixing strips, and a dust cover is connected to the front of two fixing strips. Equally spaced inclined plates are fixedly connected to the outer surface of the dust cover, which has equally spaced ventilation holes. A first sound-insulating plate is connected to the back of the two fixing strips, and a second sound-insulating plate is fixedly connected to the middle of the housing. The output end of a motor inside the housing passes through the second sound-insulating plate, and the fan blades and evaporative cooling pad connected to the motor output end are located between the first and second sound-insulating plates. This device effectively absorbs and reduces noise inside the housing, improving noise reduction.

[0004] While the above-mentioned technical solutions can reduce noise to a certain extent, noise will diffuse from the openings because the surface of the dust cover needs ventilation holes. Moreover, the device lacks a dust removal structure, and a lot of dust will gradually accumulate on the surface of the dust cover and block the ventilation holes during long-term use. Therefore, a refrigeration fan dust cover is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a dust cover for a refrigeration fan, which aims to improve the problem that the existing technology lacks a dust removal structure, and that when the dust cover is used for a long time, a lot of dust will gradually accumulate on its surface and block the ventilation holes, resulting in a gradual decrease in air volume.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A dust cover for a refrigeration fan includes a housing. Photocatalytic filters are fixedly installed on both sides of the housing. A geared motor is fixedly installed on the top of the housing. A reciprocating screw is fixedly installed at the output end of the geared motor. A movable brush holder is threadedly connected to the surface of the reciprocating screw. The surface of the movable brush holder contacts the surface of the photocatalytic filter. A reverse jet plate is fixedly connected to the surface of the movable brush holder, located inside the housing. Fans are fixedly installed on both sides of the rear side of the housing. A telescopic pipe is connected to the output end of the fan. The end of the telescopic pipe away from the fan is connected to the surface of the reverse jet plate. A telescopic sleeve is fixedly installed on the surface of the movable brush holder. The surface of the telescopic sleeve is fixedly installed on the surface of the housing. Collection components are fixedly installed on both sides of the movable brush holder.

[0008] As a further description of the above technical solution:

[0009] The collection assembly includes a collection shell, which is fixedly installed on both sides of the movable brush holder. A filter sleeve is provided inside the collection shell. The input end of the fan is connected to a telescopic pipe II, and the end of the telescopic pipe II away from the fan is connected to the surface of the collection shell.

[0010] As a further description of the above technical solution:

[0011] The inside of the movable brush holder is hinged with an anti-reverse plate via a flexible hinge, and the anti-reverse plate is located inside the filter sleeve.

[0012] As a further description of the above technical solution:

[0013] The top of the housing is fixedly connected to slide rails on both sides, and the movable brush holder is slidably connected to the surface of the slide rails.

[0014] As a further description of the above technical solution:

[0015] Storage slots are fixedly installed on the bottom of both sides of the housing, and sliders are slidably connected to the surface of the storage slots. The top of the sliders is fixedly connected to the bottom of the movable brush holder.

[0016] As a further description of the above technical solution:

[0017] Infrared dust sensors are fixedly installed on both sides of the front of the movable brush holder via connecting blocks, and the infrared dust sensors are located on both sides of the housing.

[0018] As a further description of the above technical solution:

[0019] Protective plates are fixedly installed on both sides of the shell, and the collection shell is located inside the protective plates;

[0020] As a further description of the above technical solution:

[0021] A proximity switch is fixedly installed on the rear side of the protective plate, and the proximity switch is located on the rear side of the movable brush holder.

[0022] This utility model has the following beneficial effects:

[0023] In this invention, the coordinated structure of the housing, photocatalytic filter, geared motor, reciprocating screw, moving brush holder, reverse jet plate, fan, and telescopic pipe drives the moving brush holder and reverse jet plate to move back and forth, cleaning the dust adhering to the surface of the photocatalytic filter and achieving the effect of rapid cleaning of the photocatalytic filter.

[0024] In this invention, the collection shell, filter sleeve, and telescopic tube work together to collect and treat the diffuse dust generated during cleaning, thus solving the problem of dust spreading in the surrounding air and affecting air quality. Attached Figure Description

[0025] Figure 1 This is a three-dimensional schematic diagram of a dust cover for a refrigeration fan proposed in this utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a movable brush holder for a dust cover of a refrigeration fan proposed in this utility model;

[0027] Figure 3 This is a schematic diagram of the housing of a dust cover for a refrigeration fan proposed in this utility model;

[0028] Figure 4 This is a schematic diagram of the collection shell of a dust cover for a refrigeration fan proposed in this utility model;

[0029] Figure 5 This is a schematic diagram of the structure of a storage slot for a dust cover for a refrigeration fan proposed in this utility model;

[0030] Figure 6 for Figure 2 Enlarged view of point A in the middle.

[0031] Legend:

[0032] 1. Housing; 2. Photocatalytic filter; 3. Gear motor; 4. Reciprocating screw; 5. Moving brush holder; 6. Reverse air jet plate; 7. Fan; 8. Telescopic tube one; 9. Collection shell; 10. Filter sleeve; 11. Telescopic tube two; 12. Anti-reverse plate; 13. Slide rail; 14. Storage slot; 15. Slider; 16. Infrared dust sensor; 17. Protective plate; 18. Proximity switch; 19. Telescopic sleeve. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] Reference Figure 1-3 This utility model provides an embodiment of a dust cover for a refrigeration fan, comprising a housing 1. Photocatalytic filters 2 are fixedly installed on both sides of the housing 1. The photocatalytic filters 2 use aluminum-based material as a carrier, with nano-sized titanium dioxide photocatalyst uniformly loaded on their surface. Under light irradiation, the nano-titanium dioxide undergoes a photocatalytic reaction, generating highly oxidizing hydroxyl radicals that can efficiently decompose harmful gaseous pollutants such as formaldehyde and benzene in the air. A nylon pre-filter module is connected to the surface of the photocatalytic filters 2 via a snap-fit ​​connection for filtering dust. A telescopic sleeve 19 is fixedly installed on the surface of a movable brush holder 5. The surface of the telescopic sleeve 19 is fixedly installed on the surface of the housing 1. A reduction motor 3 is fixedly installed on the top of the housing 1. A reciprocating screw 4 is fixedly installed at the output end of the reduction motor 3. The movable brush holder 5 is threadedly connected to the surface of the reciprocating screw 4. Slide rails 13 are fixedly connected to both sides of the top of the housing 1. The movable brush holder 5 is slidably connected to the surface of the slide rails 13, which limit the movement of the movable brush holder 5 and prevent it from shaking during movement. The surface of the movable brush holder 5 is in contact with the surface of the photocatalytic filter 2. A reverse air jet plate 6 is fixedly connected to the surface of the movable brush holder 5. The reverse air jet plate 6 is located inside the housing 1. Fans 7 are fixedly installed on both sides of the rear side of the housing 1. The output end of the fan 7 is connected to a telescopic tube 8. The end of the telescopic tube 8 away from the fan 7 is connected to the surface of the reverse air jet plate 6. Infrared dust sensors 16 are fixedly installed on both sides of the front side of the movable brush holder 5 through connecting blocks. The infrared dust sensors 16 are located on both sides of the housing 1. The infrared dust sensors 16 monitor the dust accumulation thickness of the photocatalytic filter 2 in real time. When the detected value exceeds the set threshold, the controller starts the reduction motor 3 and the fan 7 to perform dust removal.

[0035] Reference Figure 1-3The movable brush holder 5 has collection components fixedly installed on both sides. Each collection component includes a collection shell 9, which is fixedly installed on both sides of the movable brush holder 5. A filter sleeve 10 is installed inside the collection shell 9. A telescopic tube 11 is connected to the input end of the blower 7. The end of the telescopic tube 11 furthest from the blower 7 is connected to the surface of the collection shell 9. Through the coordinated structure of the collection shell 9, filter sleeve 10, and telescopic tube 11, the diffused dust generated during cleaning can be collected and treated, thus preventing dust from spreading in the surrounding air and affecting air quality. An anti-reverse plate 12 is hinged inside the movable brush holder 5 via a flexible hinge. The anti-reverse plate 12 is located inside the filter sleeve 10 and isolates dust entering the filter sleeve 10, preventing dust from falling out of the filter sleeve 10.

[0036] Reference Figure 1-3 The bottom of both sides of the housing 1 is fixedly equipped with a storage slot 14. A slider 15 is slidably connected to the surface of the storage slot 14. The top of the slider 15 is fixedly connected to the bottom of the movable brush holder 5. The storage slot 14 is used to collect and hold some cleaning debris, preventing debris from falling to the ground and making cleaning inconvenient. The slider 15 can be used to provide auxiliary support for the movable brush holder 5. Protective plates 17 are fixedly installed on both sides of the housing 1. The collection shell 9 is located inside the protective plate 17. The protective plate 17 protects the collection shell 9 and prevents it from falling off due to collisions. A proximity switch 18 is fixedly installed on the rear side of the protective plate 17. The proximity switch 18 is located on the rear side of the movable brush holder 5. The proximity switch 18 limits the movement of the movable brush holder 5 and prevents it from moving too much or not moving in place.

[0037] Working principle: When the cooling fan 7 is in use, air enters the interior of the housing 1 through the photocatalytic filter 2. The photocatalytic filter 2 first filters the dust in the air, and then decomposes harmful gaseous pollutants such as formaldehyde and benzene. The cooling fan 7 then exhausts the air for cooling. During this process, the infrared dust sensor 16 monitors the dust accumulation thickness of the photocatalytic filter 2 in real time. When the detected value exceeds the set threshold, the cooling fan 7 is turned off. The controller starts the geared motor 3 and the fan 7. The output end of the geared motor 3 drives the reciprocating screw 4 to rotate. The reciprocating screw 4 pushes the moving brush holder 5, the reverse jet plate 6, the filter sleeve 10, and the collection shell 9 to move back and forth. The moving brush holder 5 also drives the anti-reverse plate 12 and the slider 15 to move back and forth. The moving brush holder 5 reciprocates to clean the dust on the surface of the photocatalytic filter 2. During the cleaning process, the fan 7 is started, and its input end is connected to the collection shell 9. Therefore, suction is generated at the opening of the moving brush holder 5 and the collection shell 9. The suction opens the anti-reverse plate 12 to absorb the dust that has been swept into the interior of the filter sleeve 10. Then, the output end of the fan 7 injects the filtered air into the interior of the reverse jet plate 6. The reverse jet plate 6 sprays air from the other side of the photocatalytic filter 2 to further remove dust from the photocatalytic filter 2. When the infrared dust sensor 16 detects that the dust has decreased to the set threshold, the reduction motor 3 drives the moving brush holder 5 to return to its original position and stop. Users can also disassemble the nylon pre-filter module on the surface of the photocatalytic filter 2 for further cleaning.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A dust cover for a refrigeration fan, comprising a housing (1), characterized in that: Photocatalytic filters (2) are fixedly installed on both sides of the housing (1). A geared motor (3) is fixedly installed on the top of the housing (1). A reciprocating screw (4) is fixedly installed at the output end of the geared motor (3). A movable brush holder (5) is threadedly connected to the surface of the reciprocating screw (4). The surface of the movable brush holder (5) is in contact with the surface of the photocatalytic filter (2). A reverse jet plate (6) is fixedly connected to the surface of the movable brush holder (5). The reverse jet plate (6) is located inside the housing (1). Fans (7) are fixedly installed on both sides of the rear side of the housing (1). A telescopic pipe (8) is connected to the output end of the fan (7). The end of the telescopic pipe (8) away from the fan (7) is connected to the surface of the reverse jet plate (6). A telescopic sleeve (19) is fixedly installed on the surface of the movable brush holder (5). The surface of the telescopic sleeve (19) is fixedly installed on the surface of the housing (1). A collection component is fixedly installed on both sides of the movable brush holder (5).

2. The dust cover for a refrigeration fan according to claim 1, characterized in that: The collection assembly includes a collection shell (9), which is fixedly installed on both sides of the movable brush holder (5). A filter sleeve (10) is provided inside the collection shell (9). The input end of the fan (7) is connected to a telescopic pipe (11), and the end of the telescopic pipe (11) away from the fan (7) is connected to the surface of the collection shell (9).

3. A dust cover for a refrigeration fan according to claim 2, characterized in that: The inside of the movable brush holder (5) is hinged with an anti-reverse plate (12) via an elastic hinge, and the anti-reverse plate (12) is located inside the filter sleeve (10).

4. A dust cover for a refrigeration fan according to claim 1, characterized in that: The top of the housing (1) is fixedly connected to both sides of the slide rail (13), and the movable brush holder (5) is slidably connected to the surface of the slide rail (13).

5. A dust cover for a refrigeration fan according to claim 1, characterized in that: Storage slots (14) are fixedly installed on the bottom of both sides of the housing (1). A slider (15) is slidably connected to the surface of the storage slot (14). The top of the slider (15) is fixedly connected to the bottom of the movable brush holder (5).

6. A dust cover for a refrigeration fan according to claim 1, characterized in that: Infrared dust sensors (16) are fixedly installed on both sides of the front side of the mobile brush holder (5) via connecting blocks. The infrared dust sensors (16) are located on both sides of the housing (1).

7. A dust cover for a refrigeration fan according to claim 2, characterized in that: Protective plates (17) are fixedly installed on both sides of the housing (1), and the collection shell (9) is located inside the protective plate (17).

8. A dust cover for a refrigeration fan according to claim 7, characterized in that: A proximity switch (18) is fixedly installed on the rear side of the protective plate (17), and the proximity switch (18) is located on the rear side of the movable brush holder (5).

Images