JP2005098610A - Air purification system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the efficiency, to reduce the noise and to miniaturize a main body in an air purification system mainly for household use, comprising a filter unit of low pressure loss. <P>SOLUTION: In this air purification system comprising the filter unit 102 of low pressure loss, a cross flow fan 1 suitable for the operation with large air volume and low static pressure is used, and a shaft of the cross flow fan is mounted approximately vertically to a floor face 3, and is long in the height direction. Whereby the compact air purification system of low noise and small bottom face dimension can be obtained. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a floor-standing type air purifier used for general household or business use.

  Conventionally, in this kind of air purifying apparatus, what mounted a sirocco fan as a blower is known (for example, refer patent document 1).

  Hereinafter, the air purifier will be described with reference to a side sectional view of FIG.

  As shown in FIG. 11, the front panel 101, the filter unit 102, the motor 103, the sirocco fan 104 as a blower, and the blower outlet 107 and the sirocco fan casing with the suction surface 106 as the front are held. A main body shell 105 having In general, the filter unit 102 with high dust collection efficiency has a large pressure loss, and therefore includes a sirocco fan 104 that can take a large static pressure.

In addition, this type of air purifier includes a filter unit having high dust collection efficiency and low pressure loss by using electric energy such as static electricity (see, for example, Patent Document 2).
JP 2002-102327 A (FIG. 8) JP 2001-259320 A

  In such a conventional air purifier, since a sirocco fan is used even when a low pressure loss filter unit is mounted, there is a possibility that it can be operated with better efficiency. Noise reduction is required. Further, in order to effectively use the indoor space, it is required to reduce the size of the main body.

  The present invention solves such a conventional problem, and has an object to provide a floor-type air cleaning device that can improve efficiency, reduce power consumption and noise, and has a small bottom area. It is said.

  In order to achieve the above object, the air purifying apparatus of the present invention uses a cross flow fan, particularly when the low pressure loss filter unit is mounted, as in claim 1, and the shaft of the cross flow fan is substantially the same as the floor surface. It is a vertical one.

  By this means, the efficiency can be improved, the power consumption and the noise can be reduced, and further, the floor area can be effectively used by obtaining a floor-type air purifying apparatus that is vertically long and has a small bottom area.

  Moreover, the air purifier of Claim 2 arrange | positions a heavy motor below.

  By this means, the center of gravity of the main body moves to the lower part, and an air purifier that is stable and hard to fall is obtained.

  According to a third aspect of the present invention, the air purifier is provided with an engagement portion with the wall hanging member to enable wall hanging.

  By this means, a space can be made on the indoor floor surface when necessary, and an air purifier that can effectively use the indoor space can be obtained.

  In the air cleaning device according to the fourth aspect, the air is blown out in a direction different from the wall surface.

  By this means, there can be obtained an air cleaning device capable of preventing wall surface contamination caused by friction due to air flow when the air cleaning device is installed near the wall surface of the room.

  In the air cleaning device according to the fifth aspect, the air outlet is provided on the side surface of the main body perpendicular to the wall surface.

  By this means, it is possible to obtain an air purifying apparatus in which the blowing direction is parallel to the wall surface or slightly forward in the parallel direction to facilitate circulation in the horizontal direction of the room and to reduce the draft feeling in front of the main body.

  According to a sixth aspect of the present invention, the filter unit is formed by bending the filter unit in the same direction as the outer circumference of the cross flow fan.

  By this means, the filter unit becomes a shape along the cross flow fan, and the outer dimension can be reduced. Further, the curved shape can increase the surface area of the filter unit, and the passing air speed is reduced and the pressure loss is reduced, so that an air purifier capable of improving efficiency and reducing noise can be obtained.

  In addition, the air purifier according to claim 7 refracts in the same direction as the outer circumferential circle of the cross flow fan with a plurality of planar shapes when the performance of the filter unit deteriorates when the filter unit is bent. is there.

  By this means, it becomes a shape along the cross flow fan, and the outer dimension can be reduced. Further, the surface area of the filter unit can be increased by the refraction shape, and the passing air speed is reduced and the pressure loss is reduced, so that an air purifier capable of improving efficiency and reducing noise can be obtained.

  Moreover, the air purifier of Claim 8 arrange | positions a front panel.

  By this means, it is possible to obtain an air purifier that can reduce noise due to the sound insulation effect and can protect the filter unit as an obstacle to the filter unit from the front.

  The air cleaning device according to claim 9 is provided with a curved or refracted panel on the upstream side of the filter unit, and the curvature and refractive index of the panel are larger than the curvature and refractive index of the filter, or a cross flow fan. It is curved in the direction opposite to the outer circumference circle.

  By this means, the distance between the filter unit and the front panel is shortest near the center of the filter unit with a low flow rate, and the shortest distance can be shortened because the flow rate is low. The air purifier having a smaller main body thickness than the longest distance in the vicinity of the central portion is obtained.

  The air purifier according to claim 10 has one, or two or more through holes on the surface of the front panel of the main body.

  By this means, air flows in from the front of the main body and the inflow area increases, so that it is easy to take in air, and an air cleaning device that can improve efficiency and reduce noise can be obtained.

  According to the present invention, when a low-pressure loss filter unit is installed, a floor-type air purifier with a small bottom area that has improved efficiency and reduced noise by using a cross-flow fan that is substantially perpendicular to the floor surface. Can be provided.

  In addition, the filter unit mounting structure can provide a floor-type air cleaning device that is effective in reducing the pressure loss in the machine, improving efficiency and reducing noise.

  In addition, a floor-mounted air cleaning device that can reduce the thickness of the main body can be provided by a combination of the shape of the front panel and the mounting structure of the filter unit.

  The invention according to claim 1 of the present invention is a device in which the air purifier is provided substantially perpendicularly to the indoor floor surface using a cross flow fan, which means that the pressure loss in the machine is reduced, the noise is reduced, and the horizontal size is reduced. Has an effect.

  In addition, the motor is arranged below the cross flow fan, and the center of gravity moves to the lower part of the main body and has an effect that the motor does not easily fall over.

  Further, it is characterized in that an engagement portion with the mounting member is provided so that it can be hung on the wall, and it has the effect that a space can be created on the floor surface when necessary.

  Further, the blowout direction of the cross flow fan is directed to a direction other than the wall surface of the room, and has an effect of preventing wall surface contamination caused by friction due to air flow.

  In addition, the cross-flow fan outlet is provided on one side or both sides of the side of the main body, facilitating circulation in the direction of the indoor horizontal plane, and a draft in front of the main body. It has the effect of reducing the feeling.

  In addition, the filter unit is characterized by being curved in the same direction as the outer circumference of the cross flow fan, which allows the body to be miniaturized and increases the surface area of the filter unit. The air velocity at the passing surface is reduced, the pressure loss inside the machine is reduced, and this has the effect of improving efficiency and reducing noise.

  In addition, when the ability of the filter unit deteriorates due to bending, the filter unit is constituted by a plurality of planes, and is refracted in the same direction as the outer circumferential circle of the cross flow fan, The size of the main body can be reduced, and the surface area of the filter unit is increased, so that the wind speed on the passage surface of the filter unit is reduced, the pressure loss inside the apparatus is reduced, and the effect of improving efficiency and reducing noise is obtained.

  In addition, a panel is placed on the front of the main body, and air is sucked in through the gap between the main body on the outer periphery of the panel, reducing noise due to the sound insulation effect, and an obstacle from the front to the filter unit. It has the effect of protecting the unit.

  In addition, a filter unit is provided on the upstream side of the cross flow fan, and a curved or refracted panel is curved on the upstream side of the filter unit, which is larger than the curvature of the filter unit or in the direction opposite to the outer circumference of the cross flow fan. It is characterized by that. Air sucked from the outer periphery of the panel moves toward the center while being sucked by the filter unit, and the flow rate in the gap between the filter unit and the front panel decreases, but by curving the front panel, the gap distance near the center In particular, when a curved or refracted filter unit is mounted, the minimum portion of the gap near the center of the front panel can be further reduced.

  In addition, it is characterized by having one or more through holes on the panel surface on the front of the main body, and air can also flow in from the front, making it easy to take in, further improving efficiency and reducing noise. Has the effect of achieving.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In addition, about the part same as a prior art example, the same number is attached | subjected and detailed description is abbreviate | omitted.

(Embodiment 1)
FIGS. 1 and 2 are a side sectional view and an upper sectional view of the air purifying apparatus according to the first embodiment, in which the cross flow fan shaft 2 and the floor surface 3 are substantially vertical inside the main body outer shell 105. FIG. A cross flow fan 1 disposed and a motor 103 that operates the cross flow fan 1 coaxially below the cross flow fan shaft 2 are provided, and mechanical or It is configured to include a low pressure loss filter unit 102 that electrically collects dust, deodorizes, purifies, or has a plurality of these effects.

  The filter unit 102 and the outer shell 105 are joined to each other by, for example, a screw or a claw so that the filter unit 102 and the outer shell 105 can be detached, and the filter unit can be easily replaced and cleaned. When the filter unit 102 is soft, for example, a resin frame or a metal frame is attached to the filter unit, and screw holes or claws are provided.

  In the above configuration, when the cross flow fan 1 operates, the downstream side of the filter unit 102 becomes negative pressure, and air is sucked from the suction surface 106. The sucked air passes through the filter unit 102, but since the pressure loss here is small, when the low pressure loss filter unit 102 is mounted by using the cross flow fan 1 suitable for operation at low static pressure In addition, it is possible to improve efficiency and reduce noise.

  In addition, the cross flow fan 1 is arranged so that the cross flow fan shaft 2 and the floor surface 3 are substantially vertical, and the height is increased in the height direction using the upper space of the air purifier, and the bottom area is reduced. Since it can be downsized in the horizontal direction, the indoor space can be used effectively.

(Embodiment 2)
3 and 4 are a side sectional view and an upper sectional view of the air cleaning device of the second embodiment, which are substantially the same as those of the first embodiment, and the filter unit 102 has a curved shape, and the upstream side of the filter unit 102. In this configuration, a flat front panel 101 is provided. Furthermore, the engaging part 4 with the wall attachment member for hooking on the wall attachment member 5 is provided on the back surface of the outer shell of the main body with the suction surface 106 as the front surface.

  In the above configuration, since the filter unit 102 has a curved shape, it is possible to reduce the size of the main body and to reduce noise by increasing the surface area of the filter unit 102 and increasing the passage speed. Further, the air sucked in from the side is partially sucked by the filter unit 102 and moves toward the center of the main body while reducing the flow rate, but the gap between the front panel 101 and the filter unit 102 moves toward the center of the main body according to the flow rate. Accordingly, the thickness of the main body can be reduced and the main body can be downsized.

  Further, by providing the front panel 101, a sound insulation effect against the front sound and a protection effect of the filter unit 102 can be obtained. The wall hanging member 5 is attached to the indoor wall surface with a screw or the like, and an engagement portion is provided on the main body, thereby providing an indoor floor. When it is desired to use the surface widely, the air cleaning device can be lifted from the floor surface.

  FIG. 5 is a perspective view of the filter unit 102 according to Embodiment 2. The filter unit 102 has a two-dimensional curved shape, but may have a three-dimensional curved shape.

(Embodiment 3)
6 and 7 are a side sectional view and an upper sectional view of the air cleaning device of the third embodiment, which are substantially the same as those of the first embodiment, and the filter unit 102 has a refracted shape consisting of two planes. The front panel 101 curved in the same direction as the refraction of the filter unit is provided on the upstream side of the filter unit 102 so that the distance between the filter unit 102 and the filter unit 102 is minimized near the center of the main body. A filter unit support 7 is provided in the vicinity of the center of the filter unit for positioning and fixing.

  In the above configuration, the front panel 101 curved with a curvature larger than the refractive index of the filter unit 102 on the upstream side of the filter unit 102 provides a sound insulation effect, a protection effect of the filter unit 102, a reduction in size of the main body due to the refractive shape, Noise can be reduced by enlarging the surface area of the unit 102 and reducing the passing speed. In addition, the gap between the front panel 101 and the filter unit 102 corresponding to the flow rate is such that the air sucked from the side surface decreases near the center of the main body by being arranged at the same time as the refractive or curved filter unit 102. Thus, the minimum distance of the gap can be reduced and the main body can be miniaturized.

  FIG. 8 is a perspective view of the filter unit 102 according to the third embodiment. The filter unit 102 has a shape in which two planes are refracted in the horizontal direction, but three or more planes are horizontal, for example. The same effect can be obtained with a shape refracted in one direction, and a three-dimensional refracted shape in which refraction in the vertical direction and refraction in the horizontal direction are effective is also effective.

(Embodiment 4)
FIGS. 9 and 10 are a side sectional view and an upper sectional view of the air cleaning device according to the fourth embodiment, which are substantially the same as those in the first embodiment, and the front panel 101 is arranged on the upstream side of the filter unit 102. In the vicinity of the center of the main body, the filter unit 102 is bent in the direction opposite to the refraction of the filter unit so that the gap distance with the filter unit 102 is minimized, and has a plurality of holes on the surface.

  In the above configuration, the front panel 101 disposed on the upstream side of the filter unit 102 has an effect of protecting the filter unit 102 and the front surface corresponding to the flow rate such that the air sucked from the side surface decreases toward the center of the main body. A gap is formed between the panel 101 and the filter unit 102, and the minimum distance of the gap can be reduced. Furthermore, since there are many holes on the surface of the front panel 101, the pressure loss during suction is small, so that the minimum distance between the front panel 101 and the filter unit 102 can be further reduced.

  The air purifying apparatus according to the present invention is effective in improving efficiency and reducing noise when the low pressure loss filter unit is mounted, and reducing the size of the main body, and the filter unit mounting structure reduces internal pressure loss and thus improves efficiency. It is useful as a floor-standing type air purifier that is effective for noise reduction in general households or businesses.

Side sectional view of Embodiment 1 of the present invention Sectional view Side sectional view of the second embodiment Sectional view The filter unit perspective view Side sectional view of the third embodiment Sectional view The filter unit perspective view Side sectional view of Embodiment 4 Sectional view Side sectional view of a conventional air purifier

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Crossflow fan 2 Crossflow fan axis | shaft 3 Floor surface 4 Wall attachment member engaging part 5 Wall attachment member 6 Wall surface 7 Filter unit support part 101 Front panel 102 Filter unit 103 Motor 104 Sirocco fan 105 Main body outline 106 Suction surface 107 Air outlet

Claims (10)

An air purifier comprising a cross flow fan, a casing surrounding the cross flow fan, a motor for rotating the cross flow fan, and a filter unit, wherein the shaft of the cross flow fan is substantially the same as the floor surface. An air purifier characterized by being vertically provided and being vertically long in the height direction. The air purifier according to claim 1, wherein the motor is disposed below the cross flow fan. The air purifier according to claim 1 or 2, wherein an engagement portion with a wall mounting member is provided to enable wall mounting. The air purifier according to any one of claims 1 to 3, wherein the blowing direction of the cross flow fan is directed to a direction other than the wall surface of the room. The air purifier according to any one of claims 1 to 4, wherein the blowout port of the cross flow fan is provided on one side or both sides of the side face toward the front of the main body. The air purifier according to any one of claims 1 to 5, wherein the filter unit is curved in the same direction as the outer circumferential circle of the cross flow fan. The air cleaning device according to any one of claims 1 to 5, wherein the filter unit is formed in a plurality of planar shapes and is refracted in the same direction as the outer circumferential circle of the cross flow fan. The air purifier according to any one of claims 1 to 7, wherein a panel is provided on the front surface of the main body, and air is sucked from a gap between the panel and the main body. An air cleaning device including a filter unit on the upstream side of the crossflow fan, including a curved or refracted panel on the upstream side of the filter unit, and the curvature and refractive index of the panel being higher than the curvature and refractive index of the filter. The air purifier according to any one of claims 1 to 7, wherein the air purifier is large or curved in a direction opposite to the outer circumference of the cross flow fan. The air purifier according to claim 8 or 9, wherein one or two or more through holes are provided on the surface of the front panel of the main body.

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