TWI650489B - Fan with an air filter - Google Patents

Abstract

A fan with an air filter for solving the problem that the conventional fan cannot filter the air includes: a fan body having an air inlet and an air outlet, and the fan body is provided with a wheel; and a filter assembly The first end and the second end are coupled to the fan body and cover the air inlet. A filter ring wall is formed between the first end and the second end.

Description

Air filter fan

The present invention relates to a fan, and more particularly to a fan with air filtration.

Fans have become a universal appliance for air circulation and cooling in a wide range of homes or public places.

However, in a general indoor space, the fan cannot filter the air or improve the odor in the air. When the air purity is lowered, it is easy to cause various respiratory diseases and allergic diseases, and directly affects the quality of life and work efficiency, in order to maintain the indoors. Air quality, more and more people will purchase an air cleaner or use a fragrance to filter the air or improve the odor in the air, but this way should consider the placement of the fan and filter or fragrance in the air conditioner The position can achieve the effect of driving the airflow and filtering the air at the same time, so it is troublesome to use.

In view of this, the conventional fans do still have to be improved.

In order to solve the above problems, the present invention provides a fan which is an air-filtered fan which can drive a flow of air and which also filters air.

The following directionality or its similar terms, such as "before", "after", "upper (top)", "lower", "inside", "outside", "side", etc. The directionality or the singularity of the present invention is intended to be illustrative only and not to limit the invention.

The air filter fan of the present invention comprises: a fan body and a filter group The fan body has an air inlet and an air outlet, and the fan body is provided with a wheel; the filter assembly has a first end and a second end, the first end is coupled to the fan body and covers the fan body a filter ring wall is formed between the first end and the second end, the axial thickness of the filter assembly is smaller than the thickness of the filter ring wall, and the first end of the filter assembly is concavely provided with a flow guiding space, The flow guiding space does not penetrate the first end and the second end, and the flow guiding space is in communication with the air inlet.

According to the air filter fan of the present invention, the filter assembly is disposed on the fan body and covers the air inlet, so that the external airflow can be filtered, and the filtered airflow enters from the air inlet of the fan body. It is discharged from the air outlet of the fan body. In addition to driving the airflow and making the air circulation in the indoor space better, the air filtration effect can be achieved, and the air purity can be effectively improved, thereby improving the quality of life and work efficiency.

The filter assembly further has a through hole extending through the first end and the second end, and the air filter fan further includes a cover plate coupled to the second end of the filter assembly and covering The through hole forms a flow guiding space. In this way, it has the effect of making the airflow entering the air inlet smoother.

The bonding plate is disposed between the fan body and the filter assembly. The bonding plate is annular and has a through hole. The through hole is corresponding to the air inlet and the guiding space. As such, it has the effect of facilitating assembly of the fan body and the filter assembly.

The fan body further has a plurality of first positioning portions, the binding plate further has a plurality of second positioning portions, and the plurality of second positioning portions are coupled to the plurality of first positioning portions. In this way, it has the effect of being easy to assemble.

The combination of the plurality of second positioning portions and the plurality of first positioning portions is buckled or bonded. In this way, it has the effect of being easy to assemble.

Further, the device further includes a plurality of fixing members, the bonding plate further has a plurality of second bonding holes, the cover plate further has a plurality of first bonding holes, the plurality of fixing members penetrating the plurality of second bonding holes and the plurality First bonding holes. In this way, the binding plate and the cover plate can be made solid The effect on both sides of the filter assembly.

Wherein, the axial thickness of the filter assembly is smaller than the axial thickness of the fan body. In this way, it has the effect of making the overall volume of the air-filtered fan small.

Wherein the axial thickness of the filter assembly is less than the thickness of the filter ring wall. In this way, it has the effect of increasing the flow.

Wherein, the flow guiding space is provided with a fragrance, and the fragrance is suspended from a rod or a hook. In this way, it has the effect of making the air fragrant.

Wherein, the flow guiding space is provided with a receiving groove for arranging the fragrance liquid. In this way, it has the effect of making the air fragrant.

Among them, the filter assembly is made of a filter material that meets the PM2.5 air quality standard. In this way, it has the effect of filtering air.

The filter assembly is made of a high efficiency Particulate Air filter (HEPA filter) filter material. In this way, it has the effect of filtering air.

The filter assembly is made of an Ultra Low Penetration Air Filter (ULPA filter) filter material. In this way, it has the effect of filtering air.

Wherein, the filter component is made of a volatile material of a Volatile Organic Compounds Air filter (VOC filter). In this way, it has the effect of filtering air odor.

Wherein, the filter component is annular or rectangular. In this way, the system has the power of multiple choices.

Wherein, the filter ring wall has an inner annular surface and an outer annular surface, and the inner annular surface and the outer annular surface form a toothed wrinkle surface. In this way, it has the effect of increasing the filtration area and giving the filter assembly a long service life.

Wherein the pore of the inner annulus is less than or equal to the pore of the outer annulus. In this way, it has the effect of improving the filtering effect.

1‧‧‧fan body

11‧‧‧Air inlet

12‧‧‧air outlet

13‧‧‧First Positioning Department

14‧‧‧fan wheel

2‧‧‧Filter components

21‧‧‧ first end

22‧‧‧ second end

23‧‧‧through hole

24‧‧‧Filter ring wall

25‧‧‧ Diversion space

24a‧‧‧ Inner torus

24b‧‧‧ outer annulus

3‧‧‧ Cover

31‧‧‧ first joint hole

32‧‧‧ rod body

33‧‧‧ accommodating slots

4‧‧‧Combination board

41‧‧‧Perforation

42‧‧‧Second Positioning Department

43‧‧‧Second junction hole

5‧‧‧Fixed parts

6‧‧‧ Fragrance

D1‧‧‧ axial thickness of the fan body

D2‧‧‧ axial thickness of the filter assembly

D3‧‧‧Filter ring wall thickness

Fig. 1 is an exploded perspective view showing a first embodiment of the present invention.

Fig. 2 is an exploded perspective view showing a second embodiment of the present invention.

Fig. 3 is an exploded perspective view showing a third embodiment of the present invention.

Fig. 4 is a perspective assembled view of a third embodiment of the present invention.

Fig. 5 is an exploded perspective view showing a fourth embodiment of the present invention.

Figure 6 is a perspective assembled view of a fourth embodiment of the present invention.

Figure 7 is a schematic view showing the arrangement of a fragrance according to a fourth embodiment of the present invention.

Fig. 8 is a schematic view showing the arrangement of a fragrance liquid according to a fourth embodiment of the present invention.

The above and other objects, features and advantages of the present invention will become more <RTIgt;

Referring to FIG. 1 , which is a first embodiment of a fan with an air filter according to the present invention, the air filter fan includes a fan body 1 and a filter assembly 2 , and the filter assembly 2 is disposed on the fan body 1 . The surface.

Referring to FIG. 1 , the fan body 1 has an air inlet 11 and an air outlet 12 , and the fan body 1 further has a fan wheel 14 disposed in the fan body 1 . The air filter fan of the present invention belongs to a centrifugal fan, that is, the airflow axially flows into the rotating blade channel, and is thrown to the outer edge of the fan wheel 14 under the centrifugal force of the rotation of the fan wheel 14, so that the air inlet direction and the air outlet direction The direction is vertical, and therefore, the air inlet 11 and the air outlet 12 are perpendicular to each other.

Referring to FIG. 1 , the filter assembly 2 is disposed on the surface of the fan body 1 . The filter assembly 2 has a first end 21 and a second end 22. The first end 21 is coupled to the fan body 1 and covers the air inlet 11. The first end 21 and the second end 22 form a a filter ring wall 24, wherein the axial thickness D2 of the filter assembly 2 is preferably smaller than the axial thickness D1 of the fan body 1, wherein the filter assembly 2 can be annular or rectangular, in the present embodiment. In the example, the filter assembly 2 is annular.

Referring to FIG. 1 , in addition, the filter assembly 2 is preferably made of a filter material that meets or is close to the PM2.5 air quality standard, so that the filter assembly 2 can surely filter suspended particles having a particle size of about 2.5 μm or more. To ensure that the airflow through the fan wheel 14 of the fan body 1 conforms to the PM2.5 air quality standard; in addition, the filter assembly 2 can also be a high efficiency Particulate Air Filter (HEPA filter), ultra high efficiency air. Filter material (Ultra Low Penetration Air filter, ULPA filter) or Volatile Organic Compounds Air filter (VOC filter) can be selected according to the actual filter specifications. The invention is not limited thereto.

Referring to FIG. 1 , according to the foregoing structure, the first end 21 of the filter assembly 2 is coupled to the fan body 1 and covers the air inlet 11 , and the external airflow from all directions is from the second end of the filter assembly 2 . 22 and the filter ring wall 24 flows in. When the external airflow passes through the second end 22 of the filter assembly 2 and the filter ring wall 24, the external airflow can be filtered, and the filtered airflow enters the fan body through the air inlet 11 again. The inside, and the filtered airflow is thrown to the outer edge of the fan wheel 14 under the centrifugal force of the rotation of the fan wheel 14, so that the filtered airflow is discharged from the air outlet 12, thereby achieving the effect of air filtration.

Referring to FIG. 2, which is a second embodiment of the present invention having a fan for air filtration, the second embodiment of the present invention is substantially the same as the first embodiment described above, and the main difference is that in order to enter the inlet The first end 21 of the filter assembly 2 of the second embodiment of the present invention is recessed with a flow guiding space 25, and the flow guiding space 25 does not penetrate the first end 21 and the second end 22, The flow guiding space 25 is in communication with the air inlet 11 and the filter assembly The axial thickness D2 is less than the thickness D3 of the filter ring wall.

Referring to FIG. 2 , according to the foregoing structure, a first flow-out space 25 is recessed by the first end 21 of the filter assembly 2 , and the external air flow from all sides passes through the second end 22 of the filter assembly 2 and the filter ring wall 24 . Flowing into the flow guiding space 25, the flow guiding space 25 allows the filtered airflow to enter the fan body 1 through the air inlet 11, thereby making the airflow introduction smoother, and the filtered airflow is on the fan wheel 14. The centrifugal force of the rotation is thrown to the outer edge of the fan wheel 14, so that the filtered airflow is discharged from the air outlet 12, thereby achieving the effect of air filtration.

Referring to Figures 3 and 4, which are a third embodiment of the present invention having a fan for air filtration, the third embodiment of the present invention is substantially identical to the first embodiment described above, the main difference being that: The air inlet of the air inlet 11 is more smoothly introduced. The filter assembly 2 of the third embodiment of the present invention further has a through hole 23 extending through the first end 21 and the second end 22, the through hole 23 and the inlet The tuyeres 11 are connected to each other, and the air filter fan of the present invention may further comprise a cover plate 3 coupled to the second end 22 of the filter assembly 2 and covering the through hole 23 of the filter assembly 2, That is, the filter assembly 2 is disposed between the fan body 1 and the cover plate 3, and the through hole 23 forms a flow guiding space 25, and the filter ring wall 24 of the filter assembly 2 is exposed outside due to The first end 21 and the second end 22 of the filter assembly 2 are both covered, so that the external airflow flows into the flow guiding space 25 from the filter ring wall 24 of the filter assembly 2, thereby making the airflow introduction smoother.

Referring to FIGS. 3 and 4 , according to the foregoing structure, the filter assembly 2 has a through hole 23 , and the cover plate 3 is coupled to the second end 22 of the filter assembly 2 and covers the through hole of the filter assembly 2 . 23, the through hole 23 is formed into a flow guiding space 25, and when the external airflow passes through the filter ring wall 24 of the filter assembly 2, the external airflow can be filtered, so that the airflow enters the filter assembly 2 through the filter ring wall 24. The position of the flow space 25, in addition to the smoother introduction of the airflow, is due to the flow guiding space 25 of the filter assembly 2 communicating with the air inlet 11 of the fan body 1, so that the filtered airflow passes through the first air inlet 11 Enter the inside of the fan body 1 and filter it. The airflow is thrown to the outer edge of the fan wheel 14 by the centrifugal force of the rotation of the fan wheel 14, so that the filtered airflow is discharged from the air outlet 12, thereby achieving the effect of air filtration.

Referring to Figures 5 and 6, which are a fourth embodiment of the present invention having a fan for air filtration, the fourth embodiment of the present invention is substantially identical to the third embodiment described above, the main difference being that: for ease of assembly The fan body 1 and the filter assembly 2, the second embodiment of the present invention may further include a bonding plate 4 disposed between the fan body 1 and the filter assembly 2, the bonding plate 4 is annular and The plurality of through holes 41 are connected to the air inlet 11 of the fan body 1 and the flow guiding space 25 of the filter assembly 2, wherein the fan body 1 further has a plurality of first positioning portions 13, the plurality of The first positioning portion 13 is disposed around the air inlet 11 , and the bonding plate 4 further has a plurality of second positioning portions 42 disposed around the guiding space 25 , the plurality of The second positioning portion 42 is correspondingly coupled to the plurality of first positioning portions 13. In addition, in the embodiment, the filter assembly 2 is a rectangular ring shape, and the filter ring wall 24 has an inner annular surface 24a and an outer ring. The inner ring surface 24a and the outer annular surface 24b form a toothed wrinkle The surface is used to increase the filtering area so that the filter assembly 2 can have a long service life, and the inner annular surface 24a has a smaller or smaller aperture than the outer annular surface 24b, thereby improving the filtering effect.

Referring to FIGS. 5 and 6, in particular, the manner in which the plurality of second positioning portions 42 and the plurality of first positioning portions 13 are combined is convenient to assemble or disassemble, for example, snapping or bonding. The invention is not limited. In addition, the bonding plate 4 further has a plurality of second bonding holes 43 , the cover plate 3 further has a plurality of first bonding holes 31 , and the second bonding holes 43 of the bonding plate 4 and the first bonding of the cover plate 3 The coupling plate 4 and the cover plate 3 are disposed through the plurality of fixing members 5 through the plurality of fixing holes 5 and the plurality of first coupling holes 31, so that the bonding plate 4 and the cover are The plate 3 can be fixed on both sides of the filter assembly 2.

Referring to FIGS. 5 and 6, according to the foregoing structure, the bonding board 4 is disposed between the fan body 1 and the filter assembly 2, and the filter assembly 2 is disposed in addition to the convenient assembly. The air inlet 11 of the fan body 1 passes through the filter ring wall 24 of the filter assembly 2 to filter the outside air, so that the airflow passes through the outer ring surface 24b and the inner ring surface 24a of the filter ring wall 24. Filtering, and then entering the position of the flow guiding space 25 of the filter assembly 2, and since the flow guiding space 25, the through hole 41 of the bonding plate 4 and the air inlet 11 of the fan body 1 are connected, the filtered airflow The air inlet 11 enters the fan body 1 through the through hole 41 and the air inlet 11, and the filtered airflow is thrown to the outer edge of the fan wheel 14 by the centrifugal force of the rotation of the fan wheel 14, so that the filtered airflow is from the air outlet. 12 is discharged, thereby achieving the effect of air filtration.

In order to increase the effect of the air scent, the flow guiding space 25 of the present invention can also be provided with a fragrance 6 as shown in FIG. 7. The fragrance 6 can preferably be hung from a rod 32, which can be a hook. The rod body 32 is preferably located at the cover plate 3 and extends to the flow guiding space 25 of the filter assembly 2, wherein the fragrance may be a sachet or a fragrance bag with a dry flower; or As shown in FIG. 8 , a accommodating groove 33 is provided for arranging the fragrant liquid, and the accommodating groove 33 is preferably located on the cover plate 3 and extends to the flow guiding space 25 of the filter assembly 2 . a position, wherein the fragrance liquid may be an essential oil or a perfume; thus, the filtered air stream enters the interior of the fan body 1 via the flow guiding space 25, and the fragrance band emitted by the fragrance 6 or the fragrance liquid The inside of the fan body 1 is further rotated by the centrifugal force of the rotation of the fan wheel 14, so that the filtered airflow and the fragrance are discharged from the air outlet 12, whereby the air is fragrant and the body and mind are comfortable.

In summary, the air filter fan of the present invention is provided on the air inlet of the fan body by the filter assembly, and the external airflow can be filtered, and the filtered airflow is passed through the first air inlet of the fan body. Ingress, and then discharged from the air outlet of the fan body, in addition to driving the airflow, making the air circulation in the indoor space better, can achieve the effect of air filtration, effectively improve the air purification, thereby improving the quality of life and work efficiency. .

Although the present invention has been disclosed by the above-described preferred embodiments, it is not intended to limit the invention, and it is apparent to those skilled in the art without departing from the spirit and scope of the invention. The various modifications and variations of the embodiments are still within the technical scope of the invention. The scope of the invention is defined by the scope of the appended claims.

Claims (16)

A fan with an air filter, comprising: a fan body having an air inlet and an air outlet, wherein the fan body is provided with a wheel; and a filter assembly having a first end and a second end, The first end is coupled to the fan body and covers the air inlet. A filter ring wall is formed between the first end and the second end. The axial thickness of the filter assembly is smaller than the thickness of the filter ring wall. The first end is recessed with a flow guiding space, and the guiding space does not penetrate the first end and the second end, and the guiding space is in communication with the air inlet. The air-filtering fan of claim 1, wherein the filter assembly further has a through hole, the through hole penetrating the first end and the second end, and the air filter fan further comprises a fan And a cover plate coupled to the second end of the filter assembly and covering the through hole, the through hole forming a flow guiding space. The air-filtered fan of claim 2, further comprising a bonding plate disposed between the fan body and the filter assembly, the bonding plate being annular and having a perforation The through hole is in communication with the air inlet and the flow guiding space. The fan of the air filter according to the third aspect of the invention, wherein the fan body further has a plurality of first positioning portions, the binding plate further has a plurality of second positioning portions, and the plurality of second positioning portions Combined with the plurality of first positioning portions. The air-filtered fan of claim 4, wherein the plurality of second positioning portions are coupled to the plurality of first positioning portions by snapping or bonding. The air-filtered fan of claim 3, further comprising a plurality of fixing members, the bonding plate further having a plurality of second bonding holes, the cover plate further having a plurality of first bonding holes, The plurality of fixing members penetrate the plurality of second coupling holes and the plurality of first coupling holes. The air-filtered fan according to claim 3, wherein the flow guiding space is provided with a fragrance, and the fragrance is suspended from a rod or a hook. The air-filtering fan of claim 3, wherein the flow guiding space is provided with a receiving groove for arranging the fragrance liquid. The air-filtered fan according to claim 3, wherein the filter ring wall has an inner annular surface and an outer annular surface, and the inner annular surface and the outer annular surface form a tooth-shaped wrinkle surface. The air-filtered fan of claim 9, wherein the inner annular surface has a pore smaller than or equal to the outer annular surface. The air-filtered fan according to any one of claims 1 to 10, wherein the filter assembly is made of a filter material conforming to the PM2.5 air quality standard. The air-filtered fan according to any one of claims 1 to 10, wherein the filter assembly is made of a high efficiency Particulate Air Filter (HEPA filter) filter material. The air-filtered fan according to any one of claims 1 to 10, wherein the filter assembly is made of an Ultra Low Penetration Air Filter (ULPA filter) filter material. The air-filtered fan according to any one of claims 1 to 10, wherein the filter assembly is made of a Volatile Organic Compounds Air filter (VOC filter) filter material. The air-filtered fan according to claim 1, wherein the filter assembly is annular or rectangular. The air-filtered fan of claim 1, wherein the filter assembly has an axial thickness smaller than an axial thickness of the fan body.