CN215765563U

CN215765563U - Fresh air fan

Info

Publication number: CN215765563U
Application number: CN202122477860.2U
Authority: CN
Inventors: 姜开青; 姜一凡
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-02-08
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to the technical field of air purification, in particular to a fresh air fan which comprises a casing, an air filter element, a filter element fixing frame, a motor, a wind wheel, a volute, a control circuit board and an ultraviolet lamp. Several air inlets and one air outlet are arranged on the machine shell. Air filter passes through the filter core mount and installs in every air inlet of new trend fan. A volute is fixed in the casing corresponding to the air outlet, a wind wheel is arranged in the volute, and a motor fixing frame is arranged on the side face of the volute. The motor is fixed inside the volute on the motor fixing frame and is connected with the wind wheel. When the air purifier works, the motor drives the wind wheel to extract air, the air enters the shell from the air inlet through the air filter element, and is blown out from the air outlet through the motor and the wind wheel. The shell is internally provided with an ultraviolet lamp which can sterilize. The air is filtered by the air filter element and irradiated by the ultraviolet lamp, so that dust and germs in the air are removed, and the air is blown into a room, so that the indoor air is kept clean and fresh all the time.

Description

Fresh air fan

Technical Field

The utility model relates to the technical field of air purification, in particular to a fresh air fan.

Background

At present, the increase of automobile exhaust and industrial dust causes serious air pollution, and people live at the door and the window, so that the indoor ventilation rate of the building is generally insufficient. The most direct and effective method for improving indoor air pollution and indoor air quality is to improve the circulation of indoor air, accelerate the discharge of indoor polluted air and accelerate the injection of outdoor fresh air.

The fresh air blower is a blower such as a fan to flow air through various filters such as a pre-filter, a deodorizing filter, and a high efficiency particle air filter to remove pollutants such as fine dust, bacteria, formaldehyde, etc. from the air.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a fresh air fan which can filter dust in air, sterilize and disinfect and can be controlled remotely.

In order to achieve the purpose, the utility model provides the following technical scheme:

a fresh air fan comprises a shell, a lower cover, an air outlet, an air inlet, an air filter element, a filter element fixing frame, a motor, a wind wheel, a volute, a control circuit board and an ultraviolet lamp; the filter element fixing frame is L-shaped, and the upper side of the filter element fixing frame is provided with a vent hole; the filter element fixing frame is arranged in the shell, wraps the air filter element together with the shell and the lower cover and is fixed at a position corresponding to the air inlet; the air filter element is fixed on the filter element fixing frame through the elastic sheet and the filter element limiting plate; a volute is fixed in the shell corresponding to the air outlet, a wind wheel is arranged in the volute, and a motor fixing frame is arranged on the side surface of the volute; the motor is fixed inside the volute on the motor fixing frame and is connected with the wind wheel; when the air purifier works, the motor drives the wind wheel to extract air, the air enters the shell from the air inlet through the air filter element and is blown out from the air outlet through the motor and the wind wheel; when wind passes through the motor, the heat of the motor can be taken away, so that the motor can not generate heat.

The lower cover is an independent structure and is fixed with the filter element fixing frame and the lower cover limiting plate by inserting the lower part of the machine shell, so that the air filter element is convenient to disassemble and replace.

The air outlet of the fresh air fan is fixedly provided with an air pipe joint, and the air pipe joint is provided with a barb, so that the air pipe is not easy to fall off when being inserted.

The shell is internally provided with an ultraviolet lamp which can be used for disinfection and sterilization.

The fresh air fan is fixed on a wall or a window through the mounting bracket for use.

The utility model has the beneficial effects that:

according to the utility model, through the arrangement of the air filter element and the ultraviolet lamp, air is filtered by the air filter element and irradiated by the ultraviolet lamp, so that dust and germs in the air are removed, and the air is blown into a room, so that the indoor air is kept clean and fresh all the time. The volute fan is used as power, so that the wind quantity is large, and the sound is smaller.

Drawings

Fig. 1 is a rear upper left side view of the present invention.

Fig. 2 is a front upper right side view of the present invention.

Fig. 3 is a front lower right side view of the present invention.

Fig. 4 is a front internal structural view of the present invention.

Figure 5 is a wind wheel structure of the present invention.

Fig. 6 is an open view of the lower cover of the present invention.

FIG. 7 is an air hose coupling of the present invention.

In the figure: 1. the air outlet, 2, the tuber pipe connects, 3, the casing, 4, the power cord connects, 5, installing support, 6, the air intake, 7, filter core limiting plate, 8, ultraviolet lamp, 9, control circuit board, 10, the spiral case, 11, filter core mount, 12, air filter, 13, shell fragment, 14, lower cover limiting plate, 15, lower cover, 16, wind wheel, 17, the motor, 18, the motor fixed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

In the embodiment of the present invention, as shown in fig. 1, fig. 2, and fig. 3, an air inlet (6) is disposed on the lower surface and the front surface of a casing (3), an air outlet (1) is disposed on the rear surface of the casing (3), and a power inlet sealing joint (4) is disposed on the left surface of the casing (3). The left and right surfaces of the shell (3) are provided with mounting brackets (5) for mounting equipment. The air outlet (1) of the fresh air fan is fixedly provided with an air pipe joint (2), and the air pipe joint is provided with a barb, so that the air pipe is not easy to fall off when being inserted.

In the embodiment of the utility model, as shown in fig. 1, 4 and 5, a volute (10) is fixed in the casing (3) corresponding to the air outlet (1), a wind wheel (16) is arranged in the volute (10), and a motor fixing frame (18) is arranged on the side surface of the volute (10). The motor (17) is fixed in the upper volute (10) of the motor fixing frame (18) and is connected with the wind wheel (16). A control circuit board (9) is arranged on the left side in the shell (3), and the switch gear of the motor (17) and the switch of the ultraviolet lamp (8) can be remotely controlled through a remote controller. The motor (17) is provided with a plurality of gears and can be adapted to different occasions and situations.

In the embodiment of the utility model, as shown in fig. 2, 3, 4 and 6, the filter element fixing frame (11) is in an L shape, the upper side of the filter element fixing frame is provided with a vent hole, and the filter element fixing frame is arranged in the machine shell (3); the air filter element (12) is wrapped by the machine shell (3) and the lower cover (15) and is fixed at the position corresponding to the air inlet (6). The air filter element (12) is fixed on the filter element fixing frame (11) through the elastic sheet (13) and the filter element limiting plate (7). The lower cover (15) is an independent structure and is fixed with the filter element fixing frame (11) and the lower cover limiting plate (14) by inserting the lower part of the machine shell (3), so that the air filter element (12) is conveniently detached and replaced. The inner part of the shell (3) is provided with an ultraviolet lamp (8) which can be used for disinfection.

When the air purifier works, the motor (17) drives the wind wheel (16) to extract air, the air enters the shell (3) from the air inlet (6) through the air filter element (12), is irradiated by the ultraviolet lamp (8) for sterilization, and enters the volute (10) in two paths, wherein one path passes through the motor (17) and is blown out of the air outlet (1) together with the other path through the wind wheel (16); when air passes through the motor (17), the heat of the motor (17) can be taken away, so that the motor (17) can not generate heat. The air is filtered by the air filter element (12) and irradiated by the ultraviolet lamp (8), so that dust and germs in the air are removed, and the air is blown into the room, so that the indoor air is kept clean and fresh all the time.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fresh air fan takes an air filter element as a filter material and is characterized by comprising a machine shell, a lower cover, the air filter element, a filter element fixing frame, a motor, a wind wheel, a volute, a control circuit board and an ultraviolet lamp; the filter element fixing frame is L-shaped, and the upper side of the filter element fixing frame is provided with a vent hole; the filter element fixing frame is arranged in the shell, wraps the air filter element together with the shell and the lower cover and is fixed at a position corresponding to the air inlet; the air filter element is fixed on the filter element fixing frame through the elastic sheet and the filter element limiting plate; the shell is provided with a mounting bracket for mounting equipment; a volute is fixed in the shell corresponding to the air outlet, a wind wheel is arranged in the volute, and a motor fixing frame is arranged on the side surface of the volute; the motor is fixed inside the volute on the motor fixing frame and is connected with the wind wheel; the shell is internally provided with an ultraviolet lamp which can be sterilized; the air outlet of the fresh air fan is fixedly provided with an air pipe joint, and the air pipe joint is provided with a barb, so that the air pipe is not easy to fall off when being inserted.

2. The fresh air fan as claimed in claim 1, wherein, in operation, the motor drives the wind wheel to draw air, the air enters the casing from the air inlet through the air filter element, and is blown out from the air outlet through the motor and the wind wheel; when wind passes through the motor, the heat of the motor can be taken away, so that the motor can not generate heat; the air inlets and the air filter element can ensure that the air inlet pressure is reduced, the air inlet volume is large, the rotating speed of the wind wheel is reduced, and the noise of the wind wheel is obviously reduced.

3. The fresh air fan as claimed in claim 1, wherein a control circuit board is installed inside the casing, and the switch gear of the motor and the switch of the ultraviolet lamp can be remotely controlled by a remote controller.

4. The fresh air fan as claimed in claim 1, wherein the motor has a plurality of gears, and can be adapted to different occasions and situations.

5. The fresh air blower according to claim 1, wherein the lower cover is an independent structure, and the lower cover is fixed with the filter element fixing frame and the lower cover limiting plate by inserting the lower part of the casing, so that the air filter element is conveniently detached and replaced.