JP2009112482A - Photocatalyst type air cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a photocatalyst type air cleaner capable of easily changing a cleaning capacity without enlarging an installation space and reducing the cost of the air cleaner. <P>SOLUTION: The air cleaner is provides, in a same outer casing body 30, with: air cleaning modules 20, five pieces for example, each of which is constituted by integrating a photocatalyst filter for supporting photocatalyst, a light source for exciting a photocatalyst reaction and an air guide 11 for guiding the air intake to the photocatalyst filter side and passing the air to the photocatalyst filter; a power supply-control device 50 used in common for the respective air cleaning modules 20; and an air blowing fan 51. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a photocatalytic air purification apparatus using a photocatalyst.

  When a photocatalyst such as titanium oxide is irradiated with light such as ultraviolet rays, holes and electrons are generated inside the photocatalyst. These holes and electrons diffuse to the surface of the photocatalyst and react with a substance present on or near the surface.

Conventionally, for example, those described in the following Patent Documents 1 and 2 have been proposed as an air purification apparatus utilizing the properties of this photocatalyst.
JP 2005-296859 A JP 2000-202015 A

  In the conventional photocatalytic air purification apparatus including Patent Documents 1 and 2, the purification capacity corresponds to the size (area) of the photocatalyst and the number of ultraviolet lamps. Usually, the photocatalytic filter, ultraviolet lamp, FAN It is configured as one device provided with a power supply / control circuit. Therefore, the size of the device is determined according to the purification capacity.

  Therefore, when it is desired to increase the purification capacity according to the volume of the purification space and the air pollution concentration, it is necessary to increase the size or to prepare a plurality of devices having the same shape.

  In that case, (1) The application in the case where it is desired to change the purification capacity depending on conditions is not possible, (2) a large space for installing a plurality of devices is required, (3) a power source, a control device, and a FAN for each device This causes problems such as high cost.

  The present invention solves the above-described problems, and provides a photocatalytic air purifying device capable of easily changing the purification capacity without increasing the installation space and reducing the cost of the device. It is aimed.

  The photocatalytic air purification device according to claim 1 for solving the above-described problem is provided with a photocatalytic filter supporting a photocatalyst, a light source for exciting a photocatalytic reaction, and a wind for guiding air intake toward the photocatalytic filter. A plurality of air purification modules that are structured so that air can pass through the photocatalytic filter, a power supply / control device common to each air purification module, and an air discharge fan are installed in the same outer box. It is characterized by that.

  According to the above configuration, the functions necessary for air purification by the photocatalyst are modularized. Therefore, the purification capacity can be easily changed by increasing or decreasing the number of installed air purification modules.

  In addition, since the power supply / control device and the air discharge fan are made common and the increase thereof is suppressed, the overall device configuration can be reduced in size and the cost of the device can be reduced.

  The photocatalytic air purification device according to claim 2 is characterized in that the plurality of air purification modules include attachment means for stacking the modules in the same outer box.

  According to the above configuration, since a plurality of air purification modules can be stacked, it is possible to manufacture devices of various sizes and shapes according to the installation location by using a variation of portrait orientation, landscape orientation, or combinations thereof. it can. This makes it possible to optimally use the installation area.

  The photocatalytic air purification device according to claim 3 is installed in a space separated from the air purification space by a partition unit, and the installation location and the air purification space are separated from each other. It is characterized by having an intake / exhaust duct that connects them.

  According to the above configuration, the air in the air purification space can be purified by the air purification device installed in another space and exhausted to the air purification space. For this reason, the area occupied by the device in the air purification space becomes zero, and the air purification space can be used effectively.

  Further, a door switch may be provided on the door of the outer box body, and the air discharge fan may be stopped by a detection signal of the door switch when the door is opened for maintenance or the like.

According to a fourth aspect of the present invention, in the photocatalytic air purification device, the wind guide is configured such that a guide direction of air intake is variable.
According to the above configuration, since the air intake guide direction is variable, air can be efficiently taken in according to the conditions of the installation location.

  The photocatalytic air purification device according to claim 5 is characterized in that the plurality of air purification modules are each provided with a connector for wiring.

  According to the said structure, wiring can be implemented easily and the wiring operation | work when changing the installation number of air purification modules is simplified.

(1) According to the inventions described in claims 1 to 5, since the functions necessary for air purification by the photocatalyst are modularized, the purification capacity can be easily changed by increasing or decreasing the number of installed air purification modules. Can do.

In addition, since the power supply / control device and the air discharge fan are made common and the increase thereof is suppressed, the overall device configuration can be reduced in size and the cost of the device can be reduced.
(2) According to the invention described in claim 2, since a plurality of air purification modules can be stacked, various sizes according to the installation location can be obtained depending on the longitudinal, lateral, or a combination thereof.・ A device with a shape can be manufactured. This makes it possible to optimally use the installation area.
(3) According to the invention described in claim 3, the air in the air purification space can be purified by the air purification device installed in another space and exhausted to the air purification space. For this reason, the area occupied by the device in the air purification space becomes zero, and the air purification space can be used effectively.
(4) According to the invention described in claim 4, since the air intake guide direction is variable, air can be taken in efficiently according to the conditions of the installation location.
(5) According to the invention described in claim 5, wiring can be easily performed, and wiring work when the number of installed air purification modules is changed is simplified.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to the following embodiments. FIG. 1 shows a configuration of an air purification module of a photocatalytic air purification apparatus according to an embodiment of the present invention, where (a) is a plan view (ceiling surface), (b) is a front view, and (c) is a right side view. (D) is a perspective view showing the inside.

  In FIG. 1, a mesh-shaped ceiling plate 1, a right side plate 2, a left side plate 3, a back plate 4, and a front panel 5 form a housing 6 having an open bottom. A near-ultraviolet lamp unit (light source of the present invention) 7 is disposed in the housing 6, and photocatalytic filter units (photocatalytic filters of the present invention) 8 a and 8 b face the upper and lower surfaces of the near-ultraviolet lamp unit 7. Are arranged respectively. The left fixed portion 5a of the front panel 5 is provided with a connector 9 for wiring, and the right open / close portion 5b is configured to be openable and closable.

  L-shaped attachments (attachment means of the present invention) 10 are respectively fixed to the front panel 5 side ends of the right side plate 2 and the left side plate 3 of the housing 6. The fixture 10 has an upper end at the position of the ceiling plate 1, and a lower end extending to a portion below the opening bottom surface 6 a of the housing 6 by a predetermined distance.

  The attachment 10 is provided with, for example, four notch holes 10a... At each of the left and right sides, and is attached to an outer box body to be described later, for example, by screwing through the notch holes 10a.

  A plate-shaped wind guide (wind guide of the present invention) 11 is attached between the lower end of the back plate 4 of the housing 6 and the lower end of the fixture 10. A portion surrounded by the wind guide 11 and the opening bottom surface 6a of the housing 6 is formed as an air intake region 11a.

  As described above, the air purification module 20 is configured by integrating the housing 6, the near ultraviolet lamp 7, the photocatalytic filter units 8a and 8b, the connector 9, the fixture 10, and the wind guide 11.

  With the configuration of the air purification module 20, the air taken in from the air taking-in area 11 a is circulated through the photocatalytic filter unit 8 b, the near ultraviolet lamp unit 7, the photocatalytic filter unit 8 a and the ceiling plate 1.

  A plurality of air purification modules 20 configured as shown in FIG. 1 are stacked and installed together with a later-described common power source / control device and air discharge fan in the outer box as shown in FIGS.

  FIG. 2 shows the external appearance of the vertically long outer box body 30 and FIG. 3 shows the external appearance of the horizontally long outer box body 40. Reference numerals 31 and 41 denote outlets provided on the ceiling surface.

Figure 4 represents the outer box body 30 and its internal structure of the portrait, (a) represents a front view, (b) is a diagram showing the construction of a front removal of the door 32, (c) is removed right side plate 33 _R FIG.

  The door 32 is configured in a single-opening manner, and the door 32 is provided with an intake panel 34 that can take in air.

Two left and right mounting plates 35 _L and 35 _R are erected at a portion spaced from the door 32 by a predetermined distance in the back direction of the outer box 30. On the mounting plates 35 _L and 35 _R , for example, five air purification modules 20 configured as shown in FIG. 1 are mounted in a stacked state by screwing or the like via each mounting tool 10.

  A power supply / control device 50 common to the five modules 20 is disposed below the five air purification modules 20. An air discharge fan 51 common to the five modules 20 is disposed on the top of the five air purification modules 20.

52 is a power switch mounted to the mounting plate 35 _U provided in the upper portion. The five air purification modules 20 and the power / control circuit 50 are connected via the connector 9.

  In the apparatus configured as described above, when the power switch 52 is turned on, power is supplied to the power / control apparatus 50, the five air purification modules 20,...

  In this case, the air taken in from the intake panel 34 is guided by each wind guide 11, and from the air intake area 11a, the photocatalytic filter unit 8b, the near ultraviolet lamp unit 7, the photocatalytic filter unit 8a, the ceiling of each air purification module 20 It distribute | circulates through the board 1, the common air discharge fan 51, and the discharge port 31. FIG. Air is purified by each air purification module 20 in this air flow process.

  In the embodiment of FIGS. 2 to 4, the photocatalytic air purification device of the present invention is installed in a place (air purification space) to be purified, but not limited to this, as shown in FIG. It is good also as a structure installed in the space different from purification | cleaning space.

In FIG. 5, (a) is a front view, (b) is a diagram showing the construction of a front removal of the door 61 of the outer box body 60, (c) is a diagram showing the construction of a right side removal of the right side plate 62 _R. The outer box body 60 is installed in a separate space Y separated from the air purification space X by predetermined partition means, for example, a wall 70.

  A hole having a predetermined diameter is provided in the upper portion of the wall 70, and an exhaust duct 71 is inserted into the hole, and an exhaust port 72 is provided at one end of the duct 71. The other end of the exhaust duct 71 is connected to a hole 63 a provided in the upper part of the back plate 62 b of the outer box body 60.

  An air discharge fan 51 that exhausts the air purified in the outer box body 60 to the air purification space X through the exhaust duct 71 and the exhaust port 72 is provided in the hole 63a.

  A hole having a predetermined diameter is provided in the lower portion of the wall 70, and an intake duct 73 is inserted through the hole, and an intake port 74 is provided at one end of the duct 73. The other end of the intake duct 73 is connected to a hole 63 b provided in the lower part of the back plate 62 b of the outer box body 60.

Two left and right mounting plates 64 _L and 64 _R are provided upright at a portion of the outer box body 60 that is spaced a predetermined distance from the back plate 62 b in the direction of the door 61. On the mounting plates 64 _L and 64 _R , for example, five air purification modules 20 configured as shown in FIG. 1 are mounted in a stacked state.

Here, in this FIG. 5, the wind guide 11 of each air purification module 20 is attached to the reverse direction to FIG. 1, FIG. That is, for example, the fixture 10 having four cutout holes 10 a is fixed to the end portions of the right side plate 2 and the left side plate 3 of the housing 6 on the back plate 4 side, and the lower end portion of the fixture 10 and the front side A wind guide 11 is attached between the lower end of the panel 5 and is attached to the left and right attachment plates 64 _L and 64 _{R by} , for example, screws through the notch holes 10 a of the attachment 10. The door 61 of the outer box body 60 is not provided with the intake panel 34 as shown in FIGS.

  In addition, a partition plate 65 is provided below the fan 51 so that the air sucked from the intake duct 73 does not flow directly into the air discharge fan 51. As a result, when the power is turned on, the air in the air purification space X taken in from the air inlet 74 and the air intake duct 73 is guided by the wind guides 11 by the driving of the air discharge fan 51, and the air intake area. From 11a, it distribute | circulates through the photocatalyst filter unit 8b of each air purification module 20, the near-ultraviolet lamp unit 7, the photocatalyst filter unit 8a, the ceiling board 1, the common air discharge fan 51, the exhaust duct 71, and the exhaust port 72. Air is purified by each air purification module 20 in this air flow process.

  As described above, according to the configuration of FIG. 5, the air in the air purification space X can be purified by the air purification device installed in another space Y and exhausted to the air purification space X. For this reason, the area occupied by the device in the air purification space X becomes zero, and the air purification space X can be used effectively.

  Further, a door switch 80 may be provided on the door 61 of the outer box body 60 so that the air discharge fan 51 is stopped by a detection signal of the door switch 80 when the door 61 is opened for maintenance or the like.

The air purification module which is the principal part of the photocatalyst type | formula air purification apparatus of one embodiment of this invention is represented, (a) is a top view, (b) is a front view, (c) is a right view, (d) is The perspective view which shows an inside. BRIEF DESCRIPTION OF THE DRAWINGS The external appearance of the whole photocatalyst type air purification apparatus of one embodiment of this invention is shown, (a) is a top view, (b) is a right view. The external appearance of the whole photocatalyst type air purification apparatus of the other embodiment of this invention is shown, (a) is a top view, (b) is a right view. The whole details of the photocatalyst type air purification device of one embodiment of the present invention are expressed, (a) is a front view, (b) is the front view which removed the door, and (c) is a lineblock diagram showing the inside of the right side. . The whole detail of the photocatalyst type | formula air purification apparatus of the other embodiment of this invention is represented, (a) is a front view, (b) is the front view which removed the door, (c) is a structure which shows the inside of a right side surface. Figure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 6 ... Housing | casing, 7 ... Near-ultraviolet lamp unit, 8a, 8b ... Photocatalyst filter unit, 9 ... Connector, 10 ... Fixture, 11 ... Wind guide, 11a ... Air intake area, 20 ... Air purification module, 30, 40, 60 ... outer box body, 31 and 41 ... outlet, 32,61 ... door, 34 ... intake _{panel, 35 L, 35 R, 64} L, 64 R ... mounting plate, 50 ... power supply and control unit, 51 ... discharged air Fan, 52 ... Power switch, 63a, 63b ... Hole, 65 ... Division plate, 70 ... Wall, 71 ... Exhaust duct, 72 ... Exhaust port, 73 ... Intake duct, 74 ... Intake port, X ... Air purification space, Y ... Another space.

Claims (5)

A plurality of photocatalyst filters carrying a photocatalyst, a light source for exciting a photocatalytic reaction, and a wind guide for guiding the intake of air to the photocatalyst filter side are integrated into a plurality of structures configured to allow air to pass through the photocatalyst filter. An air purification module;
A common power supply / control device for each air purification module;
With an air exhaling fan,
A photocatalytic air purification device, which is installed in the same outer box.   2. The photocatalytic air purification device according to claim 1, wherein the plurality of air purification modules are provided with attachment means for stacking and installing the modules in the same outer box.   The photocatalytic air purification device is installed in a separate space partitioned by a partition means from the air purification space, and includes an intake / exhaust duct connecting the installation location and the air purification space. The photocatalytic air purifier according to claim 1 or 2.   The photocatalyst type air purification device according to any one of claims 1 to 3, wherein the wind guide is configured such that a guide direction of air intake is variable.   5. The photocatalytic air purification device according to claim 1, wherein each of the plurality of air purification modules is provided with a wiring connector.

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