Bathroom ventilation fan
By designing a bathroom ventilation fan with an easily detachable filter assembly structure and a built-in activated carbon plate and ultraviolet lamp plate, the problem of frequent cleaning of filter components in high humidity environments is solved, achieving rapid maintenance and efficient air filtration and sterilization.
Patent Information
- Application Number
- CN202423254364.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2034-12-28
AI Technical Summary
When existing bathroom ventilation fans are used in environments with high humidity, the filter components need to be cleaned frequently, and disassembly and maintenance are inconvenient, affecting their efficiency.
A bathroom ventilation fan was designed. The filter assembly consists of a first filter box and a second filter box, which are on the same side but at different heights. They can be pulled out simultaneously through an openable interlocking plate for easy and quick replacement and cleaning. The filter box is equipped with an activated carbon plate and an ultraviolet lamp plate for filtration and sterilization.
It enables convenient maintenance of filter components, improves air filtration and sterilization capabilities, and enhances the efficiency of the fan and air quality.
Smart Images

Figure CN223908506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fan technical field, concretely relates to a bathroom ventilation fan. BACKGROUND
[0002] The fan is the mechanical equipment that relies on the input mechanical energy, improves the air pressure and sends the air, the existing bathroom ventilation equipment takes the air circulation function and ventilation function as the basic function, extracts the outdoor air, and transports the air to the indoor after filtering, to eliminate the peculiar smell to the indoor, improves the air quality in the indoor, but the current ventilation fan still exposes some problems in the actual use process,
[0003] The indoor environment of the bathroom is larger than the humidity of other rooms, and the filter assembly in the fan needs to be cleaned and maintained frequently, and the air inlet end and the air outlet end of the conventional ventilation fan are provided with filter plates, when maintaining the filter plate, the whole fan or the fan end assembly needs to be disassembled and handled, the operator is more variable, and it is necessary to improve and optimize the structure of the bathroom ventilation fan in view of the problems exposed in the use process of the bathroom ventilation fan. UTILITY MODEL CONTENT
[0004] To solve the above technical problems, the utility model provides a bathroom ventilation fan, which has the characteristics of convenient maintenance and repair of the filter assembly of the fan.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a bathroom ventilation fan, comprising a fan body and a fan blade arranged inside the fan body and powered to operate, a top plate is arranged at the top end of the fan body, an air inlet pipe for conveying air is connected to the top end of the top plate, an air inlet is formed at one end of the air inlet pipe, a bottom plate is fixed to the bottom end of the fan body by bolts, a detachable gas filter assembly is embedded at one end of the fan body, the gas filter assembly comprises a first filter box and a second filter box arranged at the top of the first filter box, one end of the second filter box is embedded inside the air inlet pipe, the second filter box filters the airflow passing through the air inlet pipe, a detachable embedded plate is arranged at the bottom end of the first filter box, the detachable embedded plate is arranged on the bottom plate, and the first filter box is taken out from the embedded plate, and the second filter box is separated from the air inlet pipe at the same time.
[0006] As a preferred technical scheme of the bathroom ventilation fan of the utility model, protective nets are arranged on the two side surfaces of the second filter box, the upper surface of the second filter box is of an open structure, sliding grooves are formed in the inner walls of the two sides of the second filter box, a plurality of activated carbon plates are embedded in the sliding grooves, and the activated carbon plates are perpendicular to the gas flow direction.
[0007] As a kind of bathroom ventilation fan optimization technical scheme of the utility model, the inside of several active carbon plate is located in the inside of second filter box, still vertically be provided with several ultraviolet lamp plate, the top of active carbon plate and ultraviolet lamp plate is embedded with sealing pad pressing plate.
[0008] As a kind of bathroom ventilation fan optimization technical scheme of the utility model, the inside of first filter box is also provided with active carbon plate and ultraviolet lamp plate, the internal structure of first filter box is consistent with the internal structure of second filter box, the bottom end of first filter box is embedded with sealing pad pressing plate.
[0009] As a kind of bathroom ventilation fan optimization technical scheme of the utility model, the inside of second filter box is located in the inside of first filter box and is also provided with partition box.
[0010] As a kind of bathroom ventilation fan optimization technical scheme of the utility model, one end of second filter box away from fan body is connected with exhaust duct, the bottom surface of exhaust duct is provided with exhaust port, the inside of exhaust port is embedded with air guide vane for guiding airflow.
[0011] Compared with prior art, the utility model has the beneficial effects that:
[0012] 1, the first filter box and second filter box in the technical scheme of the utility model are arranged at the same side of fan body at different heights, when the staff opens the embedded plate, first filter box can be extracted from the inside of embedded plate, and second filter box is extracted simultaneously, staff only needs to handle once, so that the filter assembly of air inlet end and the filter assembly of air outlet end can be cleaned simultaneously, which facilitates the staff to maintain fan quickly.
[0013] 2, active carbon plate and ultraviolet lamp plate are arranged in first filter box and second filter box in fan in the technical scheme of the utility model, air can be effectively filtered and disinfected, and the filtering effect of fan on air is improved. ACCURACY
[0014] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiment and combining with drawings.
[0015] Figure 1 It is the structure schematic view of the utility model;
[0016] Figure 2 It is the local explosion structure schematic view in the utility model;
[0017] Figure 3 It is the bottom view structure schematic view in the utility model;
[0018] Figure 4 This is a side view of the structure of this utility model;
[0019] Figure 5 As in this utility model Figure 4 A schematic diagram of the AA line structure;
[0020] In the diagram: 1. Fan body; 2. Top plate; 3. Air inlet pipe; 4. Air inlet; 5. Base plate; 6. Protective net; 7. Separator box; 8. Interlocking plate; 9. Exhaust pipe; 10. Fan blades; 11. First filter box; 12. Second filter box; 13. Exhaust port; 14. Air guide vane; 15. Sealing gasket plate; 16. Activated carbon plate; 17. Ultraviolet lamp plate. Detailed Implementation
[0021] 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.
[0022] Example
[0023] like Figures 1-5 As shown, the present invention discloses a bathroom ventilation fan, including a fan body 1 and a fan blade 10 electrically operated inside the fan body 1. The fan blade 10 can be an axial flow negative pressure fan. A top plate 2 is provided at the top of the fan body 1 for sealing the fan. An air inlet pipe 3 for air delivery is connected to the top of the top plate 2. An air inlet 4 is opened at one end of the air inlet pipe 3. A bottom plate 5 is fixed to the bottom of the fan body 1 by bolts. The bottom plate 5 seals the bottom of the fan. One end of the fan body 1 is embedded with... The system is equipped with a detachable gas filter assembly, which includes a first filter box 11 and a second filter box 12 located on top of the first filter box 11. One end of the second filter box 12 is fitted inside the air inlet pipe 3. The second filter box 12 filters the airflow passing through the air inlet pipe 3. The bottom end of the first filter box 11 is provided with an openable and closable fitting plate 8, which is located on the bottom plate 5. When the first filter box 11 is removed from the fitting plate 8, the second filter box 12 is simultaneously pulled away from the air inlet pipe 3.
[0024] Specific, the second filter box 12 both sides of the surface is provided with protective net 6, the upper surface of second filter box 12 is open structure, the both sides of second filter box 12 inner wall is provided with chute, the inside of chute is embedded with a plurality of activated carbon plate 16, activated carbon plate 16 adopts the component of porous mesh plate structure, for adsorbing particles in air while removing odor in air, activated carbon plate 16 is perpendicular to the gas flow direction, the protective net 6 in the embodiment is used to avoid large particles directly entering the inside of the fan, causing the fan blade damage.
[0025] Specific, the inside of a plurality of activated carbon plate 16 is vertically provided with a plurality of ultraviolet lamp plate 17 in the inside of second filter box 12, the top of activated carbon plate 16 and ultraviolet lamp plate 17 is embedded with sealing pad pressing plate 15, the ultraviolet lamp plate 17 in the embodiment can effectively sterilize air when running, further improve air quality.
[0026] Specific, the inside of first filter box 11 is also provided with activated carbon plate 16 and ultraviolet lamp plate 17, the internal structure of first filter box 11 is consistent with the internal structure of second filter box 12, the bottom end of first filter box 11 is embedded with sealing pad pressing plate 15, the sealing pad pressing plate 15 in the embodiment adopts soft rubber pad component, which can reduce vibration and eliminate noise for the components in the inside of first filter box 11 and second filter box 12.
[0027] Specific, the inside of second filter box 12 is also provided with a separation box 7, the separation box 7 in the embodiment can accommodate the circuit board assembly for driving ultraviolet lamp plate 17 to run, and improve the space utilization of the fan.
[0028] Specific, the end of second filter box 12 away from fan body 1 is connected with exhaust duct 9, the bottom surface of exhaust duct 9 is provided with exhaust port 13, the inside of exhaust port 13 is embedded with air guide blade 14 for guiding airflow, the exhaust duct 9 in the embodiment can guide the airflow of air, which is convenient for air exchange and disinfection, and effectively improves air quality.
[0029] The working principle and use process of the utility model: the air exchange fan in the technical scheme in the utility model can be arranged at the ceiling of indoor, one end of air inlet pipe 3 is connected with gas conveying pipeline, the air outside the room is conveyed to air inlet pipe 3 through gas conveying pipeline and enters through air inlet 4, the air is pressurized to first filter box 11 in the running process of fan paddle 10, at this time, second filter box 12 maintains negative pressure, the air is filtered through activated carbon plate 16 and removes odor through ultraviolet lamp plate 17 under the action of negative pressure.
[0030] After the air passes through the second filter box 12, it is delivered to the first filter box 11 through the fan blade 10 after being pressurized by the fan blade 10, and is subjected to secondary filtration and odor removal. When the ultraviolet lamp plate 17 is in operation, the air is sterilized and disinfected. The air is delivered to the inside of the exhaust duct 9, is discharged through the exhaust port 13, and is subjected to airflow guiding through the air guiding blade 14 to ventilate the room.
[0031] The first filter box 11 and the second filter box 12 in the technical solution are arranged at different heights on the same side of the fan body 1. When the staff member opens the embedded plate 8, the first filter box 11 can be pulled out from the inside of the embedded plate 8. When the first filter box 11 is pulled out, the second filter box 12 can be displaced together with the first filter box 11. The staff member only needs to handle once to clean the filter assembly at the air inlet end and the filter assembly at the air outlet end together, which facilitates the staff member to quickly maintain the fan. The above description is only the preferred solution of the utility model, and is not used to limit the utility model. Any equivalent change made according to the content of the utility model specification and the drawings is within the protection scope of the utility model.
Claims
1. A bathroom ventilation fan, characterized in that, The device includes a fan body (1) and fan blades (10) that are electrically powered and installed inside the fan body (1). The top of the fan body (1) is provided with a top plate (2), and the top of the top plate (2) is connected to an air inlet pipe (3) for conveying air. One end of the air inlet pipe (3) is provided with an air inlet (4). The bottom of the fan body (1) is fixed with a bottom plate (5) by bolts. One end of the fan body (1) is fitted with a detachable gas filter assembly, which includes a first filter box (11). And a second filter box (12) is provided on top of the first filter box (11). One end of the second filter box (12) is fitted inside the air inlet pipe (3). The second filter box (12) filters the airflow passing through the air inlet pipe (3). The bottom end of the first filter box (11) is provided with an openable fitting plate (8). The openable fitting plate (8) is located on the bottom plate (5). When the first filter box (11) is taken out from the fitting plate (8), the second filter box (12) is simultaneously driven to separate from the air inlet pipe (3).
2. A bathroom ventilation fan according to claim 1, characterized in that: The second filter box (12) has protective nets (6) on both sides. The upper surface of the second filter box (12) is an open structure. The inner walls on both sides of the second filter box (12) are provided with sliding grooves. Several activated carbon plates (16) are embedded in the sliding grooves. The activated carbon plates (16) are arranged perpendicular to the gas flow direction.
3. A bathroom ventilation fan according to claim 2, characterized in that: Inside the second filter box (12), several ultraviolet lamp plates (17) are vertically arranged on the inner side of several activated carbon plates (16). A sealing gasket pressure plate (15) is fitted between the top of the activated carbon plates (16) and the ultraviolet lamp plates (17).
4. A bathroom ventilation fan according to claim 3, characterized in that: The first filter box (11) is also equipped with an activated carbon plate (16) and an ultraviolet lamp plate (17). The internal structure of the first filter box (11) is the same as that of the second filter box (12). A sealing gasket pressure plate (15) is fitted into the bottom of the first filter box (11).
5. A bathroom ventilation fan according to claim 4, characterized in that: The lower end of the second filter box (12) is located inside the first filter box (11) and is also provided with a partition box (7).
6. A bathroom ventilation fan according to claim 1, characterized in that: The second filter box (12) is connected to an exhaust pipe (9) at one end away from the fan body (1). An exhaust port (13) is opened on the bottom surface of the exhaust pipe (9). A guide vane (14) for guiding the airflow is fitted inside the exhaust port (13).