JP2002035091A - Air cleaner - Google Patents

Abstract

(57) [Problem] To provide an ultraviolet lamp and a photocatalytic deodorizing filter on the back surface of a suction port, while preventing leakage of ultraviolet rays from the suction port. SOLUTION: A first cover 14 is formed on the outer periphery of an ultraviolet lamp 13 in a substantially U-shape with an open rear surface, and has a front surface provided with a flow dividing plate 14a for diverting suction air to the left and right. And a substantially semicircular second cover 15 having a vertically elongated suction hole 15a formed in the front surface, and a frame 16a having a photocatalyst deodorizing filter 16 stretched behind the frame 16a. A light shielding plate 17 is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifier, and more particularly, to an ultraviolet lamp, a photocatalytic deodorizing filter, and the like, in order from the windward side, on the back of a suction port on the front of a main body.
The present invention relates to a configuration in which a dust collecting filter and a deodorizing filter are sequentially provided, and a cover for covering an ultraviolet lamp is provided, and the cover prevents ultraviolet light from leaking from a suction port.

[0002]

2. Description of the Related Art A conventional air purifier has, for example, a configuration as shown in FIG. Air cleaner 30 shown in FIG.
Has a suction port 6 on the front surface of the main body, and a discharge port 7 provided with a plurality of wind direction change plates 7a at the rear of the upper surface of the main body. The inside of the main body is divided into front and rear by a partition plate 9 having a suction hole 9a at a substantially central portion, and a suction chamber 10a is provided on a front surface of the partition plate 9.
Is provided, and a discharge chamber 10b is provided on the rear surface. A dust collecting and deodorizing filter 31 is mounted on the back surface of the suction port 6 of the suction chamber 10a, and an ultraviolet lamp 32 and a photocatalytic deodorizing filter 33 are provided behind the dust collecting and deodorizing filter 31. The discharge chamber 10b is provided with a motor 11 supported on a rear inner wall of the main body and a blower fan 12 which is supported by and driven by the motor 11.

[0003] The indoor air sucked from the suction port 6 is
The dust collection and deodorization filter 31 removes dust and odor components, and then the photocatalyst deodorization filter 33 removes odor components that cannot be completely removed by the dust collection and deodorization filter 31, thereby removing the suction holes of the partition plate 9. The air is sucked into the discharge chamber 10b from 9a, and is discharged from the discharge port 7 into the room by the blower fan 12. The ultraviolet lamp 32 is activated by intermittently irradiating the photocatalytic deodorizing filter 33 with ultraviolet light to decompose the adsorbed odor component, thereby maintaining the deodorizing function continuously.

The photocatalytic deodorizing filter 33 accumulates fine dust and dust that cannot be completely removed by the dust collecting and deodorizing filter 31, and requires regular cleaning to maintain the deodorizing function. . When the user attempts to do so, the photocatalytic deodorizing filter 33 is located behind the dust collecting and deodorizing filter 31, so the dust collecting and deodorizing filter 31 is first removed from the main body, and then the photocatalytic deodorizing filter 33 is removed. Has to be removed, which has a problem of poor handling.

[0005] However, the ultraviolet lamp 32 and
When the photocatalytic deodorizing filter 33 and the dust collecting and deodorizing filter 31 are provided in front of the filter and the handleability of the photocatalyst deodorizing filter 31 is improved, the ultraviolet light emitted from the ultraviolet lamp 32 emits the suction formed by a plurality of beams. Mouth 6
Leaked into the room from the ground, and could have an adverse effect on the user.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention provides an ultraviolet lamp and a photocatalytic deodorizing filter with a front surface of a dust collecting and deodorizing filter so as to facilitate regular cleaning or replacement of the photocatalytic deodorizing filter. It is another object of the present invention to provide an air cleaner in which ultraviolet rays are prevented from leaking from a suction port.

[0007]

According to the present invention, in order to solve the above-mentioned problems, a suction port is provided on a front surface of a main body, and a discharge port provided with a wind direction changing plate is provided on an upper surface, and the suction port and the discharge port are connected to each other. A dust collecting filter, a deodorizing filter, an ultraviolet lamp, a photocatalytic deodorizing filter for decomposing odor components by ultraviolet rays emitted from the ultraviolet lamp, and air purified by these components are discharged from the discharge port to an air passage connecting the filters. In the air purifier provided with the blower fan, the ultraviolet lamp, the photocatalytic deodorizing filter, the dust collecting filter, and the deodorizing filter are sequentially provided from the windward side on the back of the suction port, while the ultraviolet light is provided. On the outer periphery of the lamp, a first cover that covers the front surface and both side surfaces of the ultraviolet lamp, and a second cover that is open at the rear surface that covers the first cover and has a suction hole at the front surface is provided. And it has a configuration.

[0008] In addition, a diversion plate is provided on the front surface of the first cover to divert the suction air sucked from the suction hole of the second cover to the left and right.

Further, a plurality of thin plate-shaped light shielding plates arranged in parallel are provided between the photocatalytic deodorizing filter and the dust collecting filter.

The photocatalytic deodorizing filter is made of a member in which the surface of a glass cloth mesh is coated with a titanium oxide material and PTFE (polytetrafluoroethylene), and the member is stretched in a frame made of a resin material. It has a configuration.

Further, the dust collecting filter is made of a non-woven fabric formed in a bellows shape, and removes dust contained in the sucked air while preventing the ultraviolet light emitted from the ultraviolet lamp from being diffused backward. It has become.

[0012]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is an external perspective view showing an air purifier according to the present invention, and FIG.
FIG. 3 is a transverse sectional view, and FIG. 3 is a longitudinal sectional view of a main part. As shown in FIG. 1, an air purifier 1 according to the present invention has a rear panel 4 integrally formed with a stand 5, a front panel 3 mounted on the front of the rear panel 4, a front panel 3 and the rear panel. 4 and an upper cover 2 attached to the upper part of the main body. The front panel 3 is provided with a suction port 6 formed by a plurality of vertical bars.
An operation section 8 having a plurality of push buttons and a display section is provided above the upper cover 2, and the upper cover 2 is provided with a discharge port 7 having a plurality of wind direction change plates 7a. Although not shown, the front panel 3 is locked to the rear panel 4 by locking claws, and can be removed from the main body by pulling out the locking claws.

As shown in FIG. 2, the inside of the air purifier 1 is divided into front and rear parts by a partition plate 9 having a suction hole 9a at a substantially central portion, and the front surface of the partition plate 9 is formed by suction chambers 10a and 10a. The rear surface is a discharge chamber 10b. In the discharge chamber 10b,
A motor 11 supported on the inner wall of the rear panel 4 and a blower fan 12 driven by the motor 11 are provided.

As shown in FIGS. 2 and 3, an ultraviolet lamp 13, a photocatalytic deodorizing filter 16, a light shielding plate 17, a dust collecting filter 18, a deodorizing filter A filter 19 is provided. On the outer periphery of the ultraviolet lamp 13, as shown in a cross-sectional view seen from above in FIG. 3, a rear surface is formed in a substantially U-shape,
A first cover 14 having a flow dividing plate 14a for diverting suction air to the left and right is provided on a front surface, and further, a rear surface is opened so as to cover the first cover 14, and a vertically long suction hole 1 is provided on the front surface.
And a second cover 15 formed in a substantially semicircular shape having a hole 5a formed therein. The light-shielding plate 17 is formed of a plurality of thin plates arranged between the photocatalytic deodorizing filter 16 and the dust collecting filter 18 in parallel with the flow of the suction air. Ultraviolet rays are shielded so as to prevent the diffusion to the rear, and the suction air that has passed through the photocatalytic deodorizing filter 16 is guided to the dust collecting filter 18.

The photocatalyst filter 16 has a thickness of 0.3
It is made of a member in which a titanium oxide material and PTFE (polytetrafluoroethylene) are coated on the surface of a glass cloth mesh of about 0.4 mm, and is stretched in a frame 16a mounted on the light shielding plate 17. Same frame 16a
Although not shown, the upper and lower ends are engaged with a pair of guide grooves provided above and below the light-shielding plate 17 so that the light-emitting device can be mounted on the light-shielding plate 17. The dust collecting filter 18 is formed by continuously bending a non-woven fabric made of polypropylene, polypropylene, or the like in a bellows shape. The dust collecting filter 18 removes dust contained in the intake air and emits the dust from the ultraviolet lamp 13. UV light is prevented from diffusing to the rear of the body. The deodorizing filter 19 is made of an odor member containing activated carbon or the like, and is configured to remove odor components contained in the intake air.

The ultraviolet lamp 13 irradiates the photocatalytic deodorizing filter 16 with ultraviolet rays intermittently to decompose odor components adsorbed on the photocatalytic deodorizing filter 16 to maintain the deodorizing function.

Next, the operation of the air purifier 1 according to the present invention will be described. Part of the room air sucked from the suction port 6 is the suction hole 15 of the second cover 15.
a, and is divided right and left by the flow dividing plate 14a of the first cover 14 to reach the photocatalyst filter 16, where the odor component is removed. The odor component of the room air flowing around the outer periphery of the second cover 15 is also removed by the photocatalyst filter 16, the dust is removed by the dust collection filter 18, and the remaining odor component is further removed by the deodorization filter 19. It has become.

The clean room air from which dust and odor components have been removed is sucked into the discharge chamber 10b from the suction hole 9a of the partition plate 9, and discharged into the room from the discharge port 7 by the blower fan 12. Is done.

The room air sucked from the suction port 6 flows into the suction hole 15a formed in the second cover 15, and passes through the space between the first cover 14 and the second cover 15. By doing so, while the ventilation resistance is reduced as much as possible, the ultraviolet lamp 13 is double-covered by the first cover 14 and the second cover 15, so that leakage of the ultraviolet light from the suction port 6 is substantially prevented. It is a configuration that can be prevented.

The photocatalyst filter 16 is provided on the front surface of the dust collecting filter 18 and the deodorizing filter 19 and is detachably attached to the guide plate 17, so that the photocatalyst filter 16 can be cleaned or replaced. Is performed, the operation can be easily performed.

[0021]

As described above, according to the present invention,
An ultraviolet lamp, a photocatalytic deodorizing filter, a dust collecting filter for removing dust from the suction air, and a deodorizing filter are provided on the back side of the suction port in order from the windward side, and a ventilation resistance is reduced as much as possible on the outer periphery of the ultraviolet lamp. The first cover and the second cover for guiding the suction air are provided, and the photocatalytic filter is detachably provided on the light-shielding plate, so that the ultraviolet light emitted from the ultraviolet lamp is leaked from the suction port. On the other hand, since the photocatalyst deodorizing filter is provided on the front surface of the dust collecting filter and the deodorizing filter, an air purifier that can easily perform the work when cleaning or replacing the photocatalytic filter.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an air purifier according to the present invention.

FIG. 2 is a cross-sectional view showing an air purifier according to the present invention.

FIG. 3 is a longitudinal sectional view showing a main part of an air purifier according to the present invention.

FIG. 4 is a sectional view showing an air cleaner according to a conventional example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 air cleaner 2 top cover 3 front panel 4 rear panel 5 stand 6 suction port 7 discharge port 7 a wind direction change plate 8 operation unit 9 partition plate 9 a suction hole 10 a suction chamber 10 b discharge chamber 11 motor 12 blower fan 13 ultraviolet lamp 14th One cover 14a Dividing plate 15 Second cover 15a Suction hole 16 Photocatalytic deodorizing filter 16a Frame 17 Light shielding plate 18 Dust collecting filter 19 Deodorizing filter

Claims (5)

[Claims] 1. A suction port is provided on a front surface of a main body, a discharge port provided with a wind direction changing plate is provided on an upper surface, and a dust collecting filter, a deodorizing filter, and an ultraviolet lamp are provided in an air passage connecting the suction port and the discharge port. And a photocatalyst deodorizing filter that decomposes odor components by ultraviolet rays emitted from the ultraviolet lamp, and a blower fan that discharges air purified by these filters from the discharge port. On the back side of the ultraviolet lamp in order from the windward side, the photocatalytic deodorizing filter, the dust collecting filter,
While the deodorizing filter is provided respectively, a first cover covering the front surface and both side surfaces of the ultraviolet lamp on the outer periphery of the ultraviolet lamp, and a rear surface covering the first cover is opened and a suction hole is provided in the front surface. An air purifier characterized by having two covers. 2. The air according to claim 1, wherein a flow dividing plate is provided on a front surface of the first cover, the flow dividing plate diverting left and right of the suction air sucked from the suction hole of the second cover. Cleaner. 3. The air purifier according to claim 1, wherein a plurality of thin light shielding plates arranged in parallel are provided between the photocatalytic deodorizing filter and the dust collecting filter. 4. The photocatalytic deodorizing filter is made of a member in which a surface of a glass cloth mesh is coated with a titanium oxide material and PTFE (polytetrafluoroethylene), and the member is stretched in a frame made of a resin material. The air purifier according to claim 1, wherein 5. The dust collecting filter is made of a non-woven fabric formed in a bellows shape, and removes dust contained in suction air while preventing the ultraviolet light emitted from the ultraviolet lamp from being diffused backward. The air purifier according to claim 1, wherein: