WO2018016059A1 - Air purifier and air conditioner - Google Patents

Air purifier and air conditioner Download PDF

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Publication number
WO2018016059A1
WO2018016059A1 PCT/JP2016/071456 JP2016071456W WO2018016059A1 WO 2018016059 A1 WO2018016059 A1 WO 2018016059A1 JP 2016071456 W JP2016071456 W JP 2016071456W WO 2018016059 A1 WO2018016059 A1 WO 2018016059A1
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Prior art keywords
filter
air
suction port
suction
blower
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PCT/JP2016/071456
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French (fr)
Japanese (ja)
Inventor
久保　和也
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三菱電機株式会社
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Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2016/071456 priority Critical patent/WO2018016059A1/en
Priority to CN201680086117.3A priority patent/CN109477662A/en
Priority to JP2018528172A priority patent/JPWO2018016059A1/en
Publication of WO2018016059A1 publication Critical patent/WO2018016059A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters

Definitions

  • the present invention relates to an air cleaner and an air conditioner equipped with the air cleaner.
  • an air cleaner is installed in the room to collect particulate matter in the room.
  • Some conventional air purifiers are equipped with a HEPA filter that collects particulates at the suction port, but if the coarse dust contained in the air sucked from the suction port is collected by the filter, As a result, the air-conditioning performance frequently deteriorated. In order to eliminate clogging, it was necessary to frequently perform maintenance such as cleaning the filter and replacing the filter. In addition, in order to prevent clogging, a charge filter that can selectively adsorb fine particles may be used. However, if particles other than fine particles adhere to the surface, the suction force due to charging does not reach and the fine particles can be collected. There was a problem of disappearing.
  • Patent Document 1 An air cleaner that solves the above-described problems has been proposed (for example, see Patent Document 1).
  • the air cleaner described in Patent Document 1 is a blower that circulates air, a filter unit that is arranged in a circulating airflow of the air and that captures dust in the air on a vertical dust trapping surface, and an air that passes through the filter unit.
  • an air purifier having a guide path for guiding the air, a sudden turn part of the air current formed at the joint between the front panel and the wind guide plate and the coarse dust separated from the suddenly turned air stream is connected to the guide path Receiving dust box.
  • the air cleaner described above has a separation mechanism that separates fine dust (fine particles) and coarse dust by rapidly turning the airflow, so that it is sufficient to collect coarse dust in the air. Performance can be obtained. Further, since the air is not continuously swirled unlike the cyclone device, the noise level is low and it is suitable for indoor use.
  • Patent Document 1 has a structure in which dust is collected in three places, that is, a dust box, a net-like filter, and a filter unit. Therefore, the structure is complicated and maintenance is troublesome. There was a problem that it took.
  • the present invention has been made to solve the above-described problems, and an object thereof is to provide an air purifier and an air conditioner that can be easily maintained with a small number of filters.
  • An air purifier is a bell mouth having a casing, a blower provided in the casing, and a bent portion that is disposed on the suction side of the blower and is bent in the axial direction from the peripheral portion of the air inlet. And a front panel detachably attached to the front surface of the housing, a suction port provided on at least one side surface of the front panel, and a suction port installed opposite to the suction port.
  • a filter through which indoor air sucked from the mouth passes, and the filter is located at a position closer to the suction port than the starting point of the bent portion of the bell mouth and at least 30 mm away from the suction port. When viewed from the side of the front panel, the width of the filter is wider than the width of the suction port.
  • the filter is installed at a position closer to the suction port than the starting point of the bent portion of the bell mouth and at least 30 mm away from the suction port, and the filter is viewed from the side surface side of the front panel.
  • the width of the filter is formed wider than the width of the suction port.
  • FIG. 2 is an enlarged cross-sectional view showing the air cleaner of FIG. 1 as viewed from the direction of arrow XX. It is sectional drawing which shows the flow of the air at the time of filter clogging in embodiment of this invention.
  • FIG. 1 is a perspective view of an air cleaner according to an embodiment of the present invention
  • FIG. 2 is an enlarged cross-sectional view showing the air cleaner of FIG. 1 as viewed from the direction of arrow XX.
  • the outer portion of the air purifier 100 according to the present embodiment includes a substantially rectangular parallelepiped housing 1 and a front panel 2 that is detachably attached to the front surface of the housing 1. ing.
  • Suction ports 3 for sucking indoor air are provided on both side surfaces of the front panel 2. This suction inlet 3 is arrange
  • a blower outlet 4 for blowing clean air into the room is provided at the upper front of the housing 1.
  • a fan 6 and a bell mouth 8 disposed on the suction side of the fan 6 are attached to the inside of the housing 1, and a fan casing 5 connected to the outlet 4 is provided. ing. An air passage is formed by the fan casing 5.
  • the blower 6 includes a cylindrical sirocco fan 7 and a motor (not shown) that is disposed in an internal space of the sirocco fan 7 and has a rotating shaft attached to a boss provided on a main plate of the sirocco fan 7. .
  • the sirocco fan 7 When the sirocco fan 7 is rotated by driving the motor, the air is sucked from the bell mouth 8 in the axial direction of the sirocco fan 7 and blown out in a direction intersecting the axial direction, and the fan casing 5 is used as an air path to the air outlet 4 side. Is sent to.
  • the bell mouth 8 is disposed on the suction side of the blower 6 with the filter 10 side to be described later as an air inlet 8a and the sirocco fan 7 side as an air outlet 8b.
  • the bell mouth 8 is formed such that the outer diameter including the peripheral edge 8c of the air inlet 8a is larger than the outer diameter of the sirocco fan 7, and the peripheral edge 8c engages with the edge of the hole provided in the fan casing 5. Is fixed.
  • Filters 10 are provided on the downstream side of the suction port 3 (side toward the blower 6). Each filter 10 is installed so that the width of the filter 10 is wider than the suction port 3 and parallel to the suction port 3 when viewed from the side of the front panel 2. Each filter 10 is formed in a rectangular parallelepiped shape whose surface is surrounded by a frame (not shown), and is detachably attached to support portions 2 a and 2 b provided on the front panel 2.
  • Each filter 10 is on the suction port 3 side from the starting point of the bent portion 8d bent in the axial direction from the peripheral edge 8c of the air inlet 8a of the bell mouth 8, and is 30 mm or more from the air outlet 3a of the suction port 3. It is installed at a remote location.
  • the distance of 30 mm or more is an interval at which the air flow from the suction port 3 can flow into a surface other than the clogged surface of the filter 10 when the surface of the filter 10 facing the suction port 3 is clogged with dust.
  • the suction air passage 11 is formed.
  • FIG. 3 is a cross-sectional view showing the flow of air when the filter is clogged in the embodiment of the present invention.
  • the motor of the blower 6 is driven to rotate the sirocco fan 7, the air between the filters 10 is sucked into the sirocco fan 7 via the bell mouth 8, and the space between the filters 10 becomes negative pressure.
  • indoor air containing dust is sucked from the suction ports 3 provided on both side surfaces of the front panel 2.
  • Air sucked from each suction port 3 enters the suction air passage 11 and flows into the filter 10 so as to be orthogonal to the filter 10. At this time, dust contained in the air is collected by the filter 10, and only clean air passes through the filter 10.
  • each filter 10 The air that has passed through each filter 10 is sucked from the air inlet 8a of the bell mouth 8 and rectified, and is sucked into the sirocco fan 7 through the air outlet 8b.
  • the sucked air is blown out in a direction crossing the axial direction of the sirocco fan 7, sent upward using the fan casing 5 as an air passage, blown out into the room from the blowout port 4, and indoor air is circulated.
  • each filter 10 is installed so as to be parallel to the suction ports 3 provided on both side portions of the front panel 2, so that the air flowing from the suction ports 3 Flows in perpendicular to the filter 10. For this reason, the ventilation resistance at the time of passing the filter 10 can be suppressed small.
  • each filter 10 when each filter 10 is viewed from the side surface side of the front panel 2, the width of the filter 10 is formed wider than the width of the suction port 3, and each filter 10 is bent from the peripheral edge 8 c of the bell mouth 8. It is installed on the side of the suction port 3 from the starting point of the bent portion 8d and at a position 30 mm or more away from the air outlet 3a of the suction port 3.
  • the maintenance cycle for cleaning the filter 10 can be prolonged. Furthermore, it is possible to prevent a reduction in the efficiency of air cleaning due to a decrease in the air volume due to clogging of the filter 10, thereby contributing to a reduction in energy loss.
  • the suction inlet 3 was provided in the both sides part of the front panel 2, and the filter 10 was each provided in the downstream of each suction inlet 3,
  • the suction port 3 may be provided only on either one of the side surfaces of the front panel 2, and the filter 10 may be provided on the downstream side of the suction port 3.
  • the filter 10 has a flat rectangular parallelepiped surface, a filter bent in a bellows shape may be used.
  • the area becomes larger than that of the filter 10, and the maintenance cycle can be further extended.
  • a filter having a functionality such as a HEPA filter, an activated carbon filter, an anti-electric filter, an electric dust collector, or a dust collector may be added downstream of the filter 10.
  • a filter having a functionality such as a HEPA filter, an activated carbon filter, an anti-electric filter, an electric dust collector, or a dust collector
  • the air cleaner 100 has been described in the present embodiment, it can also be applied to an air conditioner including the air cleaner 100 of the air cleaner 100.
  • a suction port 3 for sucking indoor air may be provided on both side surfaces of a floor-standing indoor unit of the air conditioner, and a filter 10 may be provided on the downstream side of each suction port 3.
  • indoor air is sucked by a sirocco fan provided in the floor-standing indoor unit, and the air is heat-exchanged by a heat exchanger according to cooling operation or heating operation.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

Provided is an air purifier comprising: a housing; a blower provided within the housing; a bell mouth disposed on the suction side of the blower and having a bend which is bent axially from the peripheral edge of an air inlet; a front surface panel removably mounted to the front surface of the housing; a suction opening provided in at least one side surface section of both side surface sections of the front surface panel; and a filter which is mounted facing the suction opening and through which indoor air sucked in from the suction opening by the drive of the blower flows. The filter is mounted closer to the suction opening side than the start point of the bend of the bell mouth at a position away from the suction opening by 30 mm or more, and the filter is formed such that, when the filter is viewed from the side surface section side of the front surface panel, the filter has a greater width than the suction opening.

Description

空気清浄機および空気調和機Air purifier and air conditioner
　本発明は、空気清浄機および空気清浄機を備えた空気調和機に関するものである。 The present invention relates to an air cleaner and an air conditioner equipped with the air cleaner.
　近年、大気汚染の原因物質としてＰＭ２．５などの微粒子によって引き起こされる環境汚染、大気汚染、および人体への悪影響が問題となっている。その問題の対策として、室内に空気清浄機を設置して室内の微粒子を捕集することが行われている。 In recent years, environmental pollution caused by fine particles such as PM2.5, air pollution, and adverse effects on the human body have become problems. As a countermeasure for the problem, an air cleaner is installed in the room to collect particulate matter in the room.
　従来の空気清浄機として、吸込口に微粒子を捕集するＨＥＰＡフィルターなどを配置しているものがあるが、吸込口から吸い込んだ空気に含まれる粗塵がそのフィルターに捕集された場合、すぐに目詰まりしてしまい、それによって頻繁に空調性能が低下してしまっていた。目詰まりを解消させるために、フィルターの掃除、フィルターの交換などのメンテナンスを頻繁に行う必要があった。
　また、目詰まりしにくくするために、微粒子を選択的に吸着できる帯電フィルターなどが使用されることもあるが、その表面に微粒子以外が付着すると帯電による吸引力が及ばず、微粒子を捕集できなくなるという課題があった。 Some conventional air purifiers are equipped with a HEPA filter that collects particulates at the suction port, but if the coarse dust contained in the air sucked from the suction port is collected by the filter, As a result, the air-conditioning performance frequently deteriorated. In order to eliminate clogging, it was necessary to frequently perform maintenance such as cleaning the filter and replacing the filter.
In addition, in order to prevent clogging, a charge filter that can selectively adsorb fine particles may be used. However, if particles other than fine particles adhere to the surface, the suction force due to charging does not reach and the fine particles can be collected. There was a problem of disappearing.
　そこで、以上のような課題を解決した空気清浄機が提案されている（例えば、特許文献１参照）。特許文献１に記載の空気清浄機は、空気を循環させる送風機と、その空気の循環気流中に配置され、垂直な塵埃捕捉面で空気中の塵埃を捕捉するフィルターユニットと、このフィルターユニットに空気を誘導する誘導路とを有する空気清浄機において、誘導路に連続し、フロントパネルと導風板との結合箇所に形成された気流の急転回部と、急転回した気流より分離された粗塵を受けるダストボックスとを備えている。 Therefore, an air cleaner that solves the above-described problems has been proposed (for example, see Patent Document 1). The air cleaner described in Patent Document 1 is a blower that circulates air, a filter unit that is arranged in a circulating airflow of the air and that captures dust in the air on a vertical dust trapping surface, and an air that passes through the filter unit. In an air purifier having a guide path for guiding the air, a sudden turn part of the air current formed at the joint between the front panel and the wind guide plate and the coarse dust separated from the suddenly turned air stream is connected to the guide path Receiving dust box.
　前述した空気清浄機によれば、気流を急転回させて細塵（微粒子）と粗塵とを分離するという分離メカニズムを有しているため、空気中の粗塵を捕集するのに十分な性能を得ることができる。また、サイクロン装置のように空気を旋回させ続けないので騒音レベルが低く、室内での使用に適している。 The air cleaner described above has a separation mechanism that separates fine dust (fine particles) and coarse dust by rapidly turning the airflow, so that it is sufficient to collect coarse dust in the air. Performance can be obtained. Further, since the air is not continuously swirled unlike the cyclone device, the noise level is low and it is suitable for indoor use.
特開２００６－２６３４９２号公報JP 2006-263492 A
　しかし、特許文献１に記載のような従来の空気清浄機では、ダストボックス、ネット状フィルター、フィルターユニットの３か所に塵埃が溜まる構成となっているため、構造が複雑であり、メンテナンスに手間がかかるという課題があった。 However, the conventional air cleaner as described in Patent Document 1 has a structure in which dust is collected in three places, that is, a dust box, a net-like filter, and a filter unit. Therefore, the structure is complicated and maintenance is troublesome. There was a problem that it took.
　本発明は、前述のような課題を解決するためになされたもので、少ないフィルターでメンテナンスの手間が容易な空気清浄機および空気調和機を提供することを目的としている。 The present invention has been made to solve the above-described problems, and an object thereof is to provide an air purifier and an air conditioner that can be easily maintained with a small number of filters.
　本発明に係る空気清浄機は、筐体と、筐体内に設けられた送風機と、送風機の吸引側に配置され、空気流入口の周縁部から軸心方向に折り曲げられた曲げ部を有するベルマウスと、筐体の前面に着脱自在に取り付けられた前面パネルと、前面パネルの両側面部の少なくとも一方の側面部に設けられた吸込口と、吸込口に対向して設置され、送風機の駆動により吸込口から吸い込まれる室内の空気が通過するフィルターとを備え、フィルターは、ベルマウスの曲げ部の起点よりも吸込口側であって、吸込口よりも３０ｍｍ以上離れた位置に設置され、また、フィルターを前面パネルの側面部側から見て、フィルターの幅が吸込口の幅よりも広く形成されている。 An air purifier according to the present invention is a bell mouth having a casing, a blower provided in the casing, and a bent portion that is disposed on the suction side of the blower and is bent in the axial direction from the peripheral portion of the air inlet. And a front panel detachably attached to the front surface of the housing, a suction port provided on at least one side surface of the front panel, and a suction port installed opposite to the suction port. A filter through which indoor air sucked from the mouth passes, and the filter is located at a position closer to the suction port than the starting point of the bent portion of the bell mouth and at least 30 mm away from the suction port. When viewed from the side of the front panel, the width of the filter is wider than the width of the suction port.
　本発明によれば、フィルターは、ベルマウスの曲げ部の起点よりも吸込口側であって、吸込口よりも３０ｍｍ以上離れた位置に設置され、また、フィルターを前面パネルの側面部側から見て、フィルターの幅が吸込口の幅よりも広く形成されている。この構成により、月日が経つに連れフィルターの面に塵埃が堆積して目詰まりを起こした場合でも、吸込口からの空気は、フィルターの目詰まりした面以外の周囲の面に流れる。このため、フィルター清掃のメンテナンス周期を長期化することができ、メンテナンスの手間が容易となる。 According to the present invention, the filter is installed at a position closer to the suction port than the starting point of the bent portion of the bell mouth and at least 30 mm away from the suction port, and the filter is viewed from the side surface side of the front panel. Thus, the width of the filter is formed wider than the width of the suction port. With this configuration, even when dust accumulates on the surface of the filter and clogs with the passage of time, air from the suction port flows to surrounding surfaces other than the clogged surface of the filter. For this reason, the maintenance cycle of the filter cleaning can be extended, and the maintenance work is facilitated.
本発明の実施の形態に係る空気清浄機の斜視図である。It is a perspective view of the air cleaner concerning an embodiment of the invention. 図１の空気清浄機を矢視Ｘ－Ｘ方向から見て示す拡大断面図である。FIG. 2 is an enlarged cross-sectional view showing the air cleaner of FIG. 1 as viewed from the direction of arrow XX. 本発明の実施の形態におけるフィルター目詰り時の空気の流れを示す断面図である。It is sectional drawing which shows the flow of the air at the time of filter clogging in embodiment of this invention.
　以下、本発明に係る空気清浄機の実施の形態について図面を用いて説明する。なお、以下に説明する実施の形態によって本発明が限定されるものではない。また、以下の図面では、各構成部材の大きさの関係が実際のものとは異なる場合がある。 Hereinafter, embodiments of an air purifier according to the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments described below. Moreover, in the following drawings, the relationship of the size of each component may be different from the actual one.
　図１は本発明の実施の形態に係る空気清浄機の斜視図、図２は図１の空気清浄機を矢視Ｘ－Ｘ方向から見て示す拡大断面図である。
　まず、本実施の形態に係る空気清浄機１００の構造について説明する。
　本実施の形態に係る空気清浄機１００の外郭部分は、図１に示すように、略直方体形状の筐体１と、筐体１の前面に着脱自在に取り付けられた前面パネル２とで構成されている。前面パネル２の両側面部には、室内の空気をそれぞれ吸い込む吸込口３が設けられている。この吸込口３は、互いに対向して配置され、鉛直方向に長い長方形状に形成されている。筐体１の前面上部には、清浄された空気を室内に吹き出す吹出口４が設けられている。 FIG. 1 is a perspective view of an air cleaner according to an embodiment of the present invention, and FIG. 2 is an enlarged cross-sectional view showing the air cleaner of FIG. 1 as viewed from the direction of arrow XX.
First, the structure of the air cleaner 100 according to the present embodiment will be described.
As shown in FIG. 1, the outer portion of the air purifier 100 according to the present embodiment includes a substantially rectangular parallelepiped housing 1 and a front panel 2 that is detachably attached to the front surface of the housing 1. ing. Suction ports 3 for sucking indoor air are provided on both side surfaces of the front panel 2. This suction inlet 3 is arrange | positioned facing each other, and is formed in the rectangular shape long in a perpendicular direction. A blower outlet 4 for blowing clean air into the room is provided at the upper front of the housing 1.
　筐体１の内部には、図２に示すように、送風機６と、送風機６の吸引側に配置されたベルマウス８が取り付けられ、前述の吹出口４と連結されたファンケーシング５が設けられている。このファンケーシング５により風路が形成されている。送風機６は、円筒形状のシロッコファン７と、シロッコファン７の内部空間に配置され、シロッコファン７の主板に設けられたボスに回転軸が取り付けられたモーター（図示せず）とを備えている。 As shown in FIG. 2, a fan 6 and a bell mouth 8 disposed on the suction side of the fan 6 are attached to the inside of the housing 1, and a fan casing 5 connected to the outlet 4 is provided. ing. An air passage is formed by the fan casing 5. The blower 6 includes a cylindrical sirocco fan 7 and a motor (not shown) that is disposed in an internal space of the sirocco fan 7 and has a rotating shaft attached to a boss provided on a main plate of the sirocco fan 7. .
　モーターの駆動によりシロッコファン７が回転すると、空気は、ベルマウス８からシロッコファン７の軸方向に吸引され、その軸方向と交差する方向に吹き出され、ファンケーシング５を風路として吹出口４側へと送出される。 When the sirocco fan 7 is rotated by driving the motor, the air is sucked from the bell mouth 8 in the axial direction of the sirocco fan 7 and blown out in a direction intersecting the axial direction, and the fan casing 5 is used as an air path to the air outlet 4 side. Is sent to.
　ベルマウス８は、後述するフィルター１０側を空気流入口８ａとして、シロッコファン７側を空気流出口８ｂとして、送風機６の吸引側に配置されている。ベルマウス８は、空気流入口８ａの周縁部８ｃを含む外径が、シロッコファン７の外径よりも大きく形成され、ファンケーシング５に設けられた穴の縁部に周縁部８ｃが係合して固定されている。 The bell mouth 8 is disposed on the suction side of the blower 6 with the filter 10 side to be described later as an air inlet 8a and the sirocco fan 7 side as an air outlet 8b. The bell mouth 8 is formed such that the outer diameter including the peripheral edge 8c of the air inlet 8a is larger than the outer diameter of the sirocco fan 7, and the peripheral edge 8c engages with the edge of the hole provided in the fan casing 5. Is fixed.
　吸込口３の下流側（送風機６に向かう側）には、それぞれフィルター１０が設けられている。各フィルター１０は、前面パネル２の側面部側から見て、そのフィルター１０の幅が吸込口３の幅よりも広く形成され、吸込口３に対して平行となるように設置されている。各フィルター１０は、周縁部が枠体（図示せず）により囲まれた表面が平らな直方体状に形成され、前面パネル２に設けられた支持部２ａ、２ｂに取り外し自在に取り付けられている。 Filters 10 are provided on the downstream side of the suction port 3 (side toward the blower 6). Each filter 10 is installed so that the width of the filter 10 is wider than the suction port 3 and parallel to the suction port 3 when viewed from the side of the front panel 2. Each filter 10 is formed in a rectangular parallelepiped shape whose surface is surrounded by a frame (not shown), and is detachably attached to support portions 2 a and 2 b provided on the front panel 2.
　各フィルター１０は、ベルマウス８の空気流入口８ａの周縁部８ｃから軸心方向に折り曲げられた曲げ部８ｄの起点よりも吸込口３側であって、吸込口３の空気出口３ａから３０ｍｍ以上離れた位置に設置されている。その３０ｍｍ以上の距離は、吸込口３と対向するフィルター１０の面が塵埃で目詰まりした場合に、吸込口３からの空気流がその目詰まりしたフィルター１０の面以外の面に流れ込める間隔で、吸込風路１１として形成されている。 Each filter 10 is on the suction port 3 side from the starting point of the bent portion 8d bent in the axial direction from the peripheral edge 8c of the air inlet 8a of the bell mouth 8, and is 30 mm or more from the air outlet 3a of the suction port 3. It is installed at a remote location. The distance of 30 mm or more is an interval at which the air flow from the suction port 3 can flow into a surface other than the clogged surface of the filter 10 when the surface of the filter 10 facing the suction port 3 is clogged with dust. The suction air passage 11 is formed.
　次に、本実施の形態に係る空気清浄機１００の動作について、図１～図３を用いて説明する。
　図３は本発明の実施の形態におけるフィルター目詰り時の空気の流れを示す断面図である。
　送風機６のモーターを駆動してシロッコファン７を回転させると、フィルター１０間の空気がベルマウス８を介してシロッコファン７に吸引され、フィルター１０間の空間が負圧となる。これにより、前面パネル２の両側面部に設けられた吸込口３から塵埃を含む室内の空気が吸い込まれる。各吸込口３から吸い込まれた空気は、それぞれ吸込風路１１内に入り、フィルター１０に対して直交するようにフィルター１０に流入する。この時、空気中に含まれる塵埃はフィルター１０によって捕集され、清浄な空気のみがフィルター１０を通過する。 Next, the operation of the air cleaner 100 according to the present embodiment will be described with reference to FIGS.
FIG. 3 is a cross-sectional view showing the flow of air when the filter is clogged in the embodiment of the present invention.
When the motor of the blower 6 is driven to rotate the sirocco fan 7, the air between the filters 10 is sucked into the sirocco fan 7 via the bell mouth 8, and the space between the filters 10 becomes negative pressure. As a result, indoor air containing dust is sucked from the suction ports 3 provided on both side surfaces of the front panel 2. Air sucked from each suction port 3 enters the suction air passage 11 and flows into the filter 10 so as to be orthogonal to the filter 10. At this time, dust contained in the air is collected by the filter 10, and only clean air passes through the filter 10.
　各フィルター１０を通過した空気は、ベルマウス８の空気流入口８ａから吸引されて整流され、空気流出口８ｂを通ってシロッコファン７に吸い込まれる。吸い込まれた空気は、シロッコファン７の軸方向と交差する方向に吹き出され、ファンケーシング５を風路として上方へ送出され、吹出口４から室内へ吹き出され、室内の空気が循環される。 The air that has passed through each filter 10 is sucked from the air inlet 8a of the bell mouth 8 and rectified, and is sucked into the sirocco fan 7 through the air outlet 8b. The sucked air is blown out in a direction crossing the axial direction of the sirocco fan 7, sent upward using the fan casing 5 as an air passage, blown out into the room from the blowout port 4, and indoor air is circulated.
　空気清浄機１００の継続運転により、図３に示すように、吸込口３と対向するフィルター１０の面に塵埃２０が堆積し、その面の通風抵抗が大きくなって目詰まりした場合には、吸込口３からの空気は、太線の矢印のように、フィルター１０の目詰まりした面以外の面を通過する。 As shown in FIG. 3, when the air cleaner 100 continues to operate, dust 20 accumulates on the surface of the filter 10 facing the suction port 3, and the airflow resistance on the surface increases, resulting in clogging. Air from the mouth 3 passes through a surface other than the clogged surface of the filter 10 as indicated by a thick arrow.
　以上のように本実施の形態によれば、各フィルター１０を前面パネル２の両側面部に設けられた吸込口３に対して平行になるように設置しているので、吸込口３から流入する空気はフィルター１０に対して直交するように流入する。このため、フィルター１０を通過する際の通風抵抗を小さく抑えることができる。 As described above, according to the present embodiment, each filter 10 is installed so as to be parallel to the suction ports 3 provided on both side portions of the front panel 2, so that the air flowing from the suction ports 3 Flows in perpendicular to the filter 10. For this reason, the ventilation resistance at the time of passing the filter 10 can be suppressed small.
　また、各フィルター１０を前面パネル２の側面部側から見て、フィルター１０の幅が吸込口３の幅よりも広く形成し、その各フィルター１０を、ベルマウス８の周縁部８ｃから折り曲げられた曲げ部８ｄの起点よりも吸込口３側であって、吸込口３の空気出口３ａから３０ｍｍ以上離れた位置に設置している。これにより、月日が経つに連れフィルター１０の面に塵埃が堆積して目詰まりを起こした場合でも、吸込口３からの空気は、フィルター１０の目詰まりした面以外の面を通過するので、フィルター１０の清掃のメンテナンス周期を長期化することができる。更に、フィルター１０の目詰まりで風量低下することによる空気清浄の効率低下を防止することができ、このため、エネルギーロスの低減に貢献することができる。 Further, when each filter 10 is viewed from the side surface side of the front panel 2, the width of the filter 10 is formed wider than the width of the suction port 3, and each filter 10 is bent from the peripheral edge 8 c of the bell mouth 8. It is installed on the side of the suction port 3 from the starting point of the bent portion 8d and at a position 30 mm or more away from the air outlet 3a of the suction port 3. As a result, even if dust accumulates on the surface of the filter 10 as the date passes, the air from the suction port 3 passes through a surface other than the clogged surface of the filter 10, The maintenance cycle for cleaning the filter 10 can be prolonged. Furthermore, it is possible to prevent a reduction in the efficiency of air cleaning due to a decrease in the air volume due to clogging of the filter 10, thereby contributing to a reduction in energy loss.
　また、フィルター１０に対して吸込口３の幅を小さくしているので、前面パネル２の意匠性が向上する。 In addition, since the width of the suction port 3 is reduced with respect to the filter 10, the design of the front panel 2 is improved.
　なお、本実施の形態では、前面パネル２の両側面部に吸込口３を設け、各吸込口３の下流側にそれぞれフィルター１０を設けたが、それに限定されるものではない。つまり、前面パネル２の両側面部の何れか一方のみに吸込口３を設け、この吸込口３の下流側にフィルター１０を設けるようにしても良い。 In addition, in this Embodiment, the suction inlet 3 was provided in the both sides part of the front panel 2, and the filter 10 was each provided in the downstream of each suction inlet 3, However, It is not limited to it. That is, the suction port 3 may be provided only on either one of the side surfaces of the front panel 2, and the filter 10 may be provided on the downstream side of the suction port 3.
　また、フィルター１０の表面が平らな直方体形状としたが、蛇腹状に折り曲げたフィルターを用いても良い。蛇腹状のフィルターを用いた場合、フィルター１０と比べ面積が大きくなり、メンテナンス周期をさらに延長することができる。 Further, although the filter 10 has a flat rectangular parallelepiped surface, a filter bent in a bellows shape may be used. When the bellows-like filter is used, the area becomes larger than that of the filter 10, and the maintenance cycle can be further extended.
　また、フィルター１０の下流側にＨＥＰＡフィルター、活性炭フィルター、耐電フィルター、電気集塵機等の機能性を持ったフィルターあるいは集塵装置を付加しても良い。この場合、吸込口３に対してフィルター１０が平行に配置されているため、フィルター１０への取付構造が容易である。 Further, a filter having a functionality such as a HEPA filter, an activated carbon filter, an anti-electric filter, an electric dust collector, or a dust collector may be added downstream of the filter 10. In this case, since the filter 10 is arranged in parallel to the suction port 3, the attachment structure to the filter 10 is easy.
　また、本実施の形態では、空気清浄機１００について説明したが、空気清浄機１００の空気清浄機１００を備えた空気調和機にも適用できる。例えば、空気調和機の床置き型室内機の両側面部に室内の空気をそれぞれ吸い込む吸込口３を設け、各吸込口３の下流側にそれぞれフィルター１０を設けルようにしても良い。この場合、床置き型室内機に設けられたシロッコファンにより室内の空気を吸引させ、その空気を冷房運転あるいは暖房運転に応じて熱交換器で熱交換させる。 Moreover, although the air cleaner 100 has been described in the present embodiment, it can also be applied to an air conditioner including the air cleaner 100 of the air cleaner 100. For example, a suction port 3 for sucking indoor air may be provided on both side surfaces of a floor-standing indoor unit of the air conditioner, and a filter 10 may be provided on the downstream side of each suction port 3. In this case, indoor air is sucked by a sirocco fan provided in the floor-standing indoor unit, and the air is heat-exchanged by a heat exchanger according to cooling operation or heating operation.
　１　筐体、２　前面パネル、２ａ、２ｂ　支持部、３　吸込口、３ａ　空気出口、４　吹出口、５　ファンケーシング、６　送風機、７　シロッコファン、８　ベルマウス、８ａ　空気流入口、８ｂ　空気流出口、８ｃ　周縁部、８ｄ　曲げ部、１０　フィルター、１１　吸込風路、２０　塵埃、１００　空気清浄機。 1 housing, 2 front panel, 2a, 2b support, 3 inlet, 3a air outlet, 4 outlet, 5 fan casing, 6 blower, 7 sirocco fan, 8 bell mouth, 8a air inlet, 8b air outlet 8c peripheral edge, 8d bent part, 10 filter, 11 suction air path, 20 dust, 100 air cleaner.

Claims (3)

  1. 　筐体と、
    　前記筐体内に設けられた送風機と、
    　前記送風機の吸引側に配置され、空気流入口の周縁部から軸心方向に折り曲げられた曲げ部を有するベルマウスと、
    　前記筐体の前面に着脱自在に取り付けられた前面パネルと、
    　前記前面パネルの両側面部の少なくとも一方の側面部に設けられた吸込口と、
    　前記吸込口に対向して設置され、前記送風機の駆動により当該吸込口から吸い込まれる室内の空気が通過するフィルターと
    を備え、
    　前記フィルターは、前記ベルマウスの曲げ部の起点よりも前記吸込口側であって、前記吸込口よりも３０ｍｍ以上離れた位置に設置され、
    　また、前記フィルターを前記前面パネルの側面部側から見て、当該フィルターの幅が前記吸込口の幅よりも広く形成された空気清浄機。     A housing,
    A blower provided in the housing;
    A bell mouth having a bent portion arranged on the suction side of the blower and bent in the axial direction from the peripheral edge of the air inlet;
    A front panel detachably attached to the front surface of the housing;
    A suction port provided in at least one side surface of both side surfaces of the front panel;
    A filter that is installed facing the suction port and through which indoor air sucked from the suction port by driving the blower passes,
    The filter is located on the suction port side from the starting point of the bent portion of the bell mouth, and is installed at a position 30 mm or more away from the suction port,
    In addition, an air cleaner in which the filter is formed wider than the suction port when the filter is viewed from the side of the front panel.
  2. 　前記フィルターは、前記吸込口に対して平行となるように設置された請求項１に記載の空気清浄機。 The air cleaner according to claim 1, wherein the filter is installed so as to be parallel to the suction port.
  3. 　請求項１又は２に記載の空気清浄機を備えた室内機を有する空気調和機。 An air conditioner having an indoor unit equipped with the air purifier according to claim 1 or 2.
PCT/JP2016/071456 2016-07-21 2016-07-21 Air purifier and air conditioner WO2018016059A1 (en)

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JP2007078219A (en) * 2005-09-13 2007-03-29 Mitsubishi Electric Corp Air conditioner

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