TWM528206U - Photocatalyst filtering device - Google Patents

Description

Photocatalyst filter device

The present invention relates to a filtering device, and more particularly to a photocatalyst filtering device.

Clean air and water are the needs of human life. However, with the advancement of modern civilization, harmful organic substances such as organic chemical components, toxic components, and pathogenic microorganisms in the environment have gradually adversely affected the human living environment. Therefore, how to effectively purify the essential elements of the fluid properties such as air and water is a subject that must be taken seriously.

Therefore, one of the objects of the present invention is to provide a photocatalyst filter device which can purify a fluid such as air or water.

Therefore, the novel photocatalyst filter device comprises a casing and a plurality of photocatalyst structures. The housing includes a front housing wall, a rear housing wall spaced from the front housing wall, and two spaced apart side housing walls. The front casing wall forms a fluid inlet for fluid to flow into the casing, the rear casing wall forming a fluid outlet for fluid to flow from the casing. The photocatalyst structures are disposed in the housing. Each of the photocatalyst structures includes a light transmissive body and a photocatalyst layer disposed on the body. The bodies are spaced apart from each other and spaced apart from the side shell walls.

In some embodiments, the photocatalyst filter device further includes at least one light source disposed on an inner wall surface of one of the shell walls and emitting light toward the photocatalyst structure.

In some embodiments, the number of the light sources is plural, and the light sources are respectively disposed on the inner wall surfaces of the side shell walls.

In some embodiments, the light emitted by the light source is ultraviolet light.

In some embodiments, the body of each photocatalyst structure has a rectangular flat plate-like structure, and the photocatalyst structures are parallel to the side shell walls.

In some embodiments, the body of each photocatalyst structure has a rectangular wave plate-like structure, and the photocatalyst structures are parallel to the side wall walls.

In some embodiments, each photocatalyst structure is beaded and fixed in the housing at intervals.

In some embodiments, the photocatalyst filter device further includes at least one screen structure that covers one of the fluid inlet and the fluid outlet.

In some embodiments, the housing further includes at least one reflective layer disposed on an inner wall surface of one of the shell walls.

In some embodiments, the photocatalyst filter device further includes a fluid drive unit disposed at one of the fluid inlet and the fluid outlet for driving the flow of the fluid.

In some embodiments, the material of the photocatalyst layer comprises at least one of titanium dioxide and silver.

In some embodiments, the photocatalyst filter device further includes a sensor mounted to the housing for detecting harmful chemical components.

In some embodiments, the housing is fabricated from a light transmissive material.

The present invention has at least the following effects: the photocatalyst filter device can effectively filter various harmful substances in fluids such as air and water through the arrangement of the filter structure and the photocatalyst structure. According to various photocatalyst structures and the arrangement of the light source, it is possible to ensure efficient reaction of the photocatalyst and provide a good purification effect on the fluid flowing through the casing.

Referring to FIG. 1 and FIG. 2, an embodiment of the photocatalyst filter device 100 of the present invention is shown. The photocatalyst filter device 100 can be applied to the purification of fluid substances such as air and water, but is not limited by this application mode, and specifically includes a casing 1, two filter structures 2, a fluid drive unit 3, and a plurality of photocatalysts. Structure 4 and a plurality of light sources 5.

The housing 1 is in the shape of a hexahedron and can be made of a light-transmitting or opaque material, and includes a front shell wall 11, a rear shell wall 12 spaced apart from the front shell wall 11, and two mutually spaced side shell walls. 13. A top shell wall 14, a bottom shell wall 15 spaced apart from the top shell wall 14, and two reflective layers 16. The front casing wall 11 forms a fluid inlet 111 for fluid to flow into the casing 1, the rear casing wall 12 forms a fluid outlet 121 for fluid to flow out of the casing 1, and the reflective layer 16 is disposed on one side of the casing wall 13. Inner wall surface. In some embodiments, the reflective layer 16 may be disposed only on one of the shell walls 13 or on a portion of the inner wall surface of the housing 1 or may also cover all of the inner wall surfaces of the housing 1 . Actual needs depend on it. In addition, although the housing 1 of the present embodiment is described by taking a hexahedron as an example, the shape of the housing 1 may be circular, tapered, cylindrical or any other shape, and is not in a specific embodiment. limit.

The filter structure 2 is respectively disposed on the front shell wall 11 and the rear shell wall 12, and correspondingly covers the fluid inlet 111 and the fluid outlet 121 for filtering and adsorbing suspended particles and harmful components, and can pass through a single layer structure or a composite type. The multi-layer structure is realized, and the material that can be reused or cleaned can be used for the user to clean and replace. In various embodiments, the photocatalyst filter device 100 may also be provided with only one screen structure 2, and the screen structure 2 covers one of the fluid inlet 111 and the fluid outlet 121.

The fluid drive unit 3 is, for example, a device such as a pump or a fan, and is provided in one of the fluid inlet 111 and the fluid outlet 121 to drive the fluid to flow from the fluid inlet 111 to the fluid outlet 121 by blowing or inhaling. In some embodiments, the photocatalyst filter device 100 can also be provided with a fluid drive unit 3 at each of the fluid inlet 111 and the fluid outlet 121 to more effectively control the flow of the fluid. In addition, if the photocatalyst filter device 100 is used in a device such as an air conditioner, a fan, a pump, etc., an air conditioner, a fan, and a pump are provided in the external environment to promote the flow of the fluid. At this time, the photocatalyst filter device 100 can omit the fluid. The setting of the drive unit 3.

The photocatalyst structures 4 each include a main body 41 made of a light transmissive material and having a rectangular flat plate shape, and two photocatalyst layers 42 disposed on the main body 41. The bodies 41 are spaced apart from each other and are parallel to the side shell walls 13 and substantially abut against the inner wall surfaces of the top and bottom shell walls 14 and 15 and are completely and uniformly illuminated by the light source 5 and allow light to pass therethrough. As the photocatalyst layer 42, for example, a material such as titanium dioxide can be used, and a component of silver ions can be further added. When irradiated with light emitted from the light source 5, a free hydroxyl group having strong oxidizing power and activity can be generated from hydrogen or oxygen in the environment or fluid. Oxygen, by oxidative decomposition of organic compounds and inorganic substances, to achieve the function of purifying the environment and self-cleaning.

The light sources 5 are respectively disposed on the inner wall surface of the side wall 13 to emit light in the direction of the photocatalyst structure 4, and the light can be further reflected by the reflective layer 16 in the direction of the photocatalyst structure 4 to effectively promote the photocatalytic reaction. In the embodiment, the light source 5 preferably uses an ultraviolet light emitting diode with a wavelength of 365 nm. However, depending on the actual needs, the light emitting band can be adjusted accordingly, and an ultraviolet lamp or a general visible light tube can also be used. Various types of light sources are not limited to the foregoing embodiments. In addition, in a specific embodiment, the photocatalyst filter device 100 can also omit the arrangement of the light source 5, and the ambient light source causes the photocatalyst structure 4 to generate a photocatalytic reaction.

Referring to FIG. 3, in the embodiment, the main body 41 of the photocatalyst structure 4 has a rectangular wave plate-like structure, and the photocatalyst layer 42 is disposed on both sides thereof, so that the photocatalyst layer 42 can be added. Surface area to enhance the purification effect of the photocatalyst structure 4.

Referring to FIG. 4, another variation of the photocatalyst structure 4 is used. In this embodiment, the photocatalyst structure 4 is beaded and fixed in the casing 1, so that the surface area of the photocatalyst layer 42 can be effectively increased.

Based on the above description, the photocatalyst filter device 100 of the present invention can effectively filter various harmful substances in fluids such as air and water by the arrangement of the filter structure 2 and the photocatalyst structure 4. According to the arrangement of the various photocatalyst structures 4 and the light source 5, it is possible to ensure efficient reaction of the photocatalyst reaction and provide a good purification effect on the fluid. In addition, the photocatalyst filter device 100 can also be provided with a sensor (not shown) for detecting harmful chemical components at the housing 1 to provide information about harmful chemical components for the user's reference. Therefore, the novel photocatalyst filter device 100 can achieve the purpose of the present invention.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

100‧‧‧Photocatalyst filter device
1‧‧‧shell
11‧‧‧ front shell wall
111‧‧‧ fluid inlet
12‧‧‧Back shell
121‧‧‧ fluid outlet
13‧‧‧ side shell wall
14‧‧‧Top shell wall
15‧‧‧ bottom wall
16‧‧‧reflective layer
2‧‧‧Filter structure
3‧‧‧Fluid drive unit
4‧‧‧Photocatalyst structure
41‧‧‧ Subject
42‧‧‧Photocatalyst layer
5‧‧‧Light source

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view showing an embodiment of the photocatalyst filter device of the present invention; FIG. 2 is a photocatalyst filter device. Fig. 3 and Fig. 4 are perspective views showing a modified embodiment of the photocatalyst filter device.

100‧‧‧Photocatalyst filter device

1‧‧‧shell

11‧‧‧ front shell wall

111‧‧‧ fluid inlet

12‧‧‧Back shell

13‧‧‧ side shell wall

14‧‧‧Top shell wall

2‧‧‧Filter structure

3‧‧‧Fluid drive unit

4‧‧‧Photocatalyst structure

41‧‧‧ Subject

42‧‧‧Photocatalyst layer

5‧‧‧Light source

Claims (13)

A photocatalyst filter device comprising: a casing comprising a front casing wall, a rear casing wall spaced apart from the front casing wall, and two mutually spaced side casing walls, the front casing wall forming a fluid supply flow into the casing a fluid inlet in the housing, the rear housing wall forming a fluid outlet for fluid to flow from the housing; and a plurality of photocatalyst structures disposed in the housing, each photocatalyst structure including a light transmissive body and a setting In the photocatalyst layer of the body, the bodies are spaced apart from each other and spaced apart from the side shell walls. The photocatalyst filter device of claim 1, further comprising at least one light source disposed on an inner wall surface of one of the shell walls and emitting light toward the photocatalyst structure. The photocatalyst filter device of claim 2, wherein the number of the light sources is plural, and the light sources are respectively disposed on inner wall surfaces of the side shell walls. The photocatalyst filter device of claim 2 or 3, wherein the light emitted by the light source is ultraviolet light. The photocatalyst filter device of claim 1, wherein the body of each photocatalyst structure has a rectangular flat plate-like structure, and the photocatalyst structures are parallel to the side shell walls. The photocatalyst filter device of claim 1, wherein the main body of each photocatalyst structure has a rectangular wave plate-like structure, and the photocatalyst structures are parallel to the side shell walls. The photocatalyst filter device of claim 1, wherein each photocatalyst structure is beaded and fixed in the housing at intervals. The photocatalyst filter device of claim 1, further comprising at least one screen structure covering one of the fluid inlet and the fluid outlet. The photocatalyst filter device of claim 1, wherein the housing further comprises at least one reflective layer disposed on an inner wall surface of one of the shell walls. The photocatalyst filter device of claim 1, further comprising a fluid drive unit disposed at one of the fluid inlet and the fluid outlet for driving the flow of the fluid. The photocatalyst filter device of claim 1, wherein the material of the photocatalyst layer comprises at least one of titanium dioxide and silver. The photocatalyst filter device of claim 1, further comprising a sensor mounted on the housing for detecting harmful chemical components. The photocatalyst filter device of claim 1, wherein the housing is made of a light transmissive material.