JP6847739B2 - Indoor unit of air conditioner - Google Patents

Indoor unit of air conditioner Download PDF

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Publication number
JP6847739B2
JP6847739B2 JP2017070984A JP2017070984A JP6847739B2 JP 6847739 B2 JP6847739 B2 JP 6847739B2 JP 2017070984 A JP2017070984 A JP 2017070984A JP 2017070984 A JP2017070984 A JP 2017070984A JP 6847739 B2 JP6847739 B2 JP 6847739B2
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heat exchanger
indoor unit
installation surface
water
flow channel
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JP2018173214A5 (en
JP2018173214A (en
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順道 宇野
順道 宇野
裕典 森
裕典 森
雅司 ▲高▼野
雅司 ▲高▼野
梓 金森
梓 金森
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Mitsubishi Heavy Industries Thermal Systems Ltd
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Mitsubishi Heavy Industries Thermal Systems Ltd
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Priority to JP2017070984A priority Critical patent/JP6847739B2/en
Priority to PCT/JP2018/008862 priority patent/WO2018180321A1/en
Priority to AU2018245359A priority patent/AU2018245359B2/en
Priority to EP18776766.0A priority patent/EP3527907A4/en
Publication of JP2018173214A publication Critical patent/JP2018173214A/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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Description

本発明は、ドレン水を排出するドレンパンを備えた空気調和装置の室内機に関するものである。 The present invention relates to an indoor unit of an air conditioner provided with a drain pan for discharging drain water.

空気調和装置の室内機には、冷房時等に熱交換器にて凝縮したドレン水を集めて外部に排出するためのドレンパンが設けられている。下記特許文献１及び２には、ドレンパンを一方向に傾斜させてドレン水を排水する発明が開示されている。 The indoor unit of the air conditioner is provided with a drain pan for collecting drain water condensed by a heat exchanger and discharging it to the outside during cooling or the like. Patent Documents 1 and 2 below disclose an invention in which a drain pan is tilted in one direction to drain drain water.

国際公開第２０１５／１３６７１１号International Publication No. 2015/136711 特開２０１５−１０２２５７号公報Japanese Unexamined Patent Publication No. 2015-102257

しかし、ドレンパンを傾斜させて円滑に外部に排水できても、ドレン水をドレンパンへ導く流水路からドレンパンまで円滑にドレン水を導くことが困難な場合がある。例えば、一方向に傾斜させて流水路を設けたとしても、室内機が傾いて据え付けられた場合には流水路に設けた傾斜が有効に機能せずドレン水が溜まったりあふれたりするおそれがある。 However, even if the drain pan can be tilted and drained smoothly to the outside, it may be difficult to smoothly guide the drain water from the flow channel that guides the drain water to the drain pan to the drain pan. For example, even if the water flow channel is tilted in one direction, if the indoor unit is tilted and installed, the slope provided in the water flow channel may not function effectively and drain water may accumulate or overflow. ..

本発明は、このような事情に鑑みてなされたものであって、熱交換器から導かれた水が流れる流水路から円滑に水をドレンパンへ導くことができる空気調和装置の室内機を提供することを目的とする。 The present invention has been made in view of such circumstances, and provides an indoor unit of an air conditioner capable of smoothly guiding water to a drain pan from a flow channel through which water guided from a heat exchanger flows. The purpose is.

上記課題を解決するために、本発明の空気調和装置の室内機は以下の手段を採用する。
すなわち、本発明にかかる空気調和装置の室内機は、熱交換器から滴下する水を受ける流水路と、該流水路から導かれた水を受けるドレンパンと、を備えている空気調和装置の室内機であって、前記流水路は、長手方向の一方向に向かって全体が傾斜するとともに、該長手方向に直交する幅方向の一方向に向かって全体が傾斜する底面を有していることを特徴とする。 In order to solve the above problems, the indoor unit of the air conditioner of the present invention employs the following means.
That is, the indoor unit of the air conditioner according to the present invention is an indoor unit of the air conditioner including a flow channel for receiving water dripping from the heat exchanger and a drain pan for receiving water guided from the flow channel. The water flow channel has a bottom surface that is inclined in one direction in the longitudinal direction and is inclined in one direction in the width direction that is orthogonal to the longitudinal direction. And.

熱交換器で凝縮した水は流水路へと導かれドレンパンへと流れ込む。流水路には、長手方向の一方向に向かって全体が傾斜するとともに、幅方向の一方向に向かって全体が傾斜する底面を有しているので、流水路に流れ込んだ水は、長手方向に一方向に集められるとともに幅方向の一方向に集められる。このように、室内機が傾斜されて取り付けられても、底面の全体が長手方向及び幅方向に傾斜されているので、底面の傾斜が常に維持されることになり、円滑に水をドレンパンへと導くことができる。 The water condensed by the heat exchanger is guided to the running water channel and flows into the drain pan. Since the flow channel has a bottom surface that is inclined in one direction in the longitudinal direction and is inclined in one direction in the width direction, the water flowing into the flow channel is inclined in the longitudinal direction. It is collected in one direction and in one direction in the width direction. In this way, even if the indoor unit is tilted and installed, the entire bottom surface is tilted in the longitudinal direction and the width direction, so that the tilting of the bottom surface is always maintained, and water is smoothly drained to the drain pan. Can be guided.

さらに、本発明の空気調和装置の室内機では、前記底面は、前記熱交換器の下端が設置された熱交換器設置面よりも下方に位置している。 Further, in the indoor unit of the air conditioner of the present invention, the bottom surface is located below the heat exchanger installation surface on which the lower end of the heat exchanger is installed.

流水路の底面が熱交換器の下端が設置された熱交換器設置面よりも下方に位置しているので、熱交換器から導かれた水は常に底面へと流下することになり、水を円滑に流すことができる。 Since the bottom of the flow channel is located below the heat exchanger installation surface where the lower end of the heat exchanger is installed, the water guided from the heat exchanger will always flow down to the bottom, causing water to flow. It can flow smoothly.

さらに、本発明の空気調和装置の室内機では、前記熱交換器設置面は、前記長手方向において、前記幅方向の寸法が小さくなる凹部と該寸法が大きくなる凸部とを有し、前記熱交換器設置面と前記熱交換器の下面との間には、遮風部材が設けられ、前記遮風部材は、前記熱交換器設置面の形状に略一致した形状とされている。 Further, in the indoor unit of the air conditioner of the present invention, the heat exchanger installation surface has a concave portion in which the dimension in the width direction becomes smaller and a convex portion in which the dimension becomes larger in the longitudinal direction. A windshield member is provided between the exchanger installation surface and the lower surface of the heat exchanger, and the windshield member has a shape substantially matching the shape of the heat exchanger installation surface .

熱交換器設置面を、長手方向において、幅方向の寸法が小さくなる凹部と該寸法が大きくなる凸部とを有する形状とした。これにより、凹部では底部にアクセスするスペースを凸部よりも大きく確保することができる。これにより、熱交換器設置面に設ける遮風部材を取り付ける際に容易にアクセスすることができる。なお、遮風部材は、熱交換器の下面と熱交換器設置面との間の隙間を埋めて、熱交換器によって熱交換が行われないで隙間を通過する空気を極小化するものである。 The heat exchanger installation surface has a shape having a concave portion in which the dimension in the width direction becomes smaller and a convex portion in which the dimension becomes larger in the longitudinal direction. As a result, it is possible to secure a larger space for accessing the bottom portion in the concave portion than in the convex portion. As a result, it can be easily accessed when the windshield member provided on the heat exchanger installation surface is attached. The windshield member fills the gap between the lower surface of the heat exchanger and the heat exchanger installation surface, and minimizes the air passing through the gap without heat exchange by the heat exchanger. ..

流水路の底面の全体が長手方向及び幅方向に傾斜されているので、底面の傾斜が常に維持されることになり、円滑に水をドレンパンへと導くことができる。 Since the entire bottom surface of the flow channel is inclined in the longitudinal direction and the width direction, the inclination of the bottom surface is always maintained, and water can be smoothly guided to the drain pan.

本発明の一実施形態に係る空気調和装置の室内機を示した斜視図である。It is a perspective view which showed the indoor unit of the air conditioner which concerns on one Embodiment of this invention. 図１の室内機の内部を示した斜視図である。It is a perspective view which showed the inside of the indoor unit of FIG. 図１の室内機の熱交換器設置面の周りを見た部分拡大図である。It is a partial enlarged view around the heat exchanger installation surface of the indoor unit of FIG. 図１の室内機の内部に設けられた室内熱交換器を示した正面図である。It is a front view which showed the indoor heat exchanger provided inside the indoor unit of FIG. 流水路を示し、（ａ）は図４の切断線Ａ−Ａにおける断面図、（ｂ）は図４の切断線Ｂ−Ｂにおける断面図である。A flow channel is shown, where FIG. 4A is a cross-sectional view taken along the cutting line AA of FIG. 4, and FIG. 4B is a cross-sectional view taken along the cutting line BB of FIG.

以下に、本発明にかかる一実施形態について、図面を参照して説明する。
図１には、空気調和装置の室内機１の外観が示されている。室内機１は、壁掛形とされており、上方から室内空気を吸い込み、下方から室内へと空調後の空気を吹き出す。室内機１は、図示しない室外機と接続されており、室外機にて圧縮された冷媒の供給を受け、室内機１の内部に設けられた室内熱交換器によって室内の空気を所定温度に調整する。 Hereinafter, an embodiment according to the present invention will be described with reference to the drawings.
FIG. 1 shows the appearance of the indoor unit 1 of the air conditioner. The indoor unit 1 has a wall-mounted type, sucks indoor air from above, and blows out air after air conditioning from below to the room. The indoor unit 1 is connected to an outdoor unit (not shown), receives the supply of the refrigerant compressed by the outdoor unit, and adjusts the indoor air to a predetermined temperature by the indoor heat exchanger provided inside the indoor unit 1. To do.

図２には、室内機１の内部が示されている。同図では、室内熱交換器やファンが取り外された状態が示されている。室内の壁部に設置されるベースプレート３には、室内熱交換器にて凝縮したドレン水が導かれる流水路５が形成されている。流水路５は、ベースプレート３の左右方向（水平方向）に延在する溝部とされている。流水路５の上方には、室内熱交換器の下面を支持する設置面（熱交換器設置面）６が設けられている。 FIG. 2 shows the inside of the indoor unit 1. The figure shows the indoor heat exchanger and fan removed. The base plate 3 installed on the wall of the room is formed with a flowing water channel 5 through which the drain water condensed by the indoor heat exchanger is guided. The water flow channel 5 is a groove portion extending in the left-right direction (horizontal direction) of the base plate 3. An installation surface (heat exchanger installation surface) 6 that supports the lower surface of the indoor heat exchanger is provided above the water flow channel 5.

流水路５は、室内機１の左端において略直角に折り曲げられて下方へ向かうように形成されている。この流水路５の下端から流下するドレン水を受けるように、ベースプレート３の下方にドレンパン７が設けられている。ドレンパン７は、ドレン水を一時的に貯留して室内機１の外部へ排出する。 The water flow channel 5 is formed so as to be bent downward at a substantially right angle at the left end of the indoor unit 1. A drain pan 7 is provided below the base plate 3 so as to receive the drain water flowing down from the lower end of the flow channel 5. The drain pan 7 temporarily stores the drain water and discharges it to the outside of the indoor unit 1.

図３に示すように、流水路５の底面５ａは、左側が下方となるように長手方向Ｄ１の全体が傾斜しており、かつ、手前側（室内機前方側）が下方に幅方向Ｄ２の全体が傾斜している。これによりドレン水が左方でかつ手前側へと導かれるようになっている。なお、流水路５の傾斜方向はもちろん右方や奥側（室内機後方側）としても良い。 As shown in FIG. 3, the bottom surface 5a of the water flow channel 5 is inclined in the entire longitudinal direction D1 so that the left side is downward, and the front side (front side of the indoor unit) is downward in the width direction D2. The whole is inclined. As a result, the drain water is guided to the left side and the front side. It should be noted that the inclination direction of the water flow channel 5 may of course be on the right side or the back side (rear side of the indoor unit).

図２及び図３に示すように、設置面６は、幅方向に寸法が小さい凹部６ａと幅方向に寸法が大きい凸部６ｂとを有している。すなわち、設置面６の手前側において、長手方向に凹部６ａと凸部６ｂとが交互に設けられている。 As shown in FIGS. 2 and 3, the installation surface 6 has a concave portion 6a having a small size in the width direction and a convex portion 6b having a large size in the width direction. That is, on the front side of the installation surface 6, concave portions 6a and convex portions 6b are alternately provided in the longitudinal direction.

図４に示されているように、室内機１の内部には室内熱交換器９が設けられている。同図に示された室内熱交換器９は、室内機１の背面側に設けられている。 As shown in FIG. 4, an indoor heat exchanger 9 is provided inside the indoor unit 1. The indoor heat exchanger 9 shown in the figure is provided on the back side of the indoor unit 1.

図５（ａ）には、図４の切断線Ａ−Ａにおける断面図が示されており、図５（ｂ）には、図４の切断線Ｂ−Ｂにおける断面図が示されている。
図５（ａ）及び（ｂ）に示されているように、室内熱交換器９の下面と設置面６との間には、インシュレータとして遮風部材８が設けられている。遮風部材８は、図２及び図３に示した設置面６の形状に略一致させた形状とされている。遮風部材８は、室内熱交換器９の下面と設置面６との間の隙間を埋める可撓性を有する部材であり、室内熱交換器９によって熱交換が行われないで隙間を通過する空気を極小化するために用いられる。 FIG. 5A shows a cross-sectional view taken along the cutting line AA of FIG. 4, and FIG. 5B shows a cross-sectional view taken along the cutting line BB of FIG.
As shown in FIGS. 5A and 5B, a windshield member 8 is provided as an insulator between the lower surface of the indoor heat exchanger 9 and the installation surface 6. The windshield member 8 has a shape that substantially matches the shape of the installation surface 6 shown in FIGS. 2 and 3. The windshield member 8 is a flexible member that fills the gap between the lower surface of the indoor heat exchanger 9 and the installation surface 6, and passes through the gap without heat exchange by the indoor heat exchanger 9. Used to minimize air.

図５（ａ）における遮風部材８すなわち設置面６の幅Ｗ１は、図５（ｂ）における遮風部材８すなわち設置面６の幅Ｗ２よりも大きくなっている。この幅Ｗ１，Ｗ２は、図２及び図３に示した設置面６に設けた凹部６ａと凸部６ｂとに対応したものである。すなわち、設置面６の凹部６ａにおいては、図５（ｂ）に示すように流水路５に開口する幅（例えば２０ｍｍ〜３０ｍｍ）が大きくなり、設置面６の凸部６ｂにおいては、図５（ａ）に示すように流水路５に開口する幅（例えば１５ｍｍ程度）が小さくなっている。したがって、図５（ａ）に示したように、設置面６の幅が小さく流水路５に開口する幅が大きい位置においては流水路５の上方から作業者がアクセスしやすいようになっている。 The width W1 of the windshield member 8, that is, the installation surface 6 in FIG. 5A is larger than the width W2 of the windshield member 8, that is, the installation surface 6 in FIG. 5B. The widths W1 and W2 correspond to the concave portions 6a and the convex portions 6b provided on the installation surface 6 shown in FIGS. 2 and 3. That is, in the concave portion 6a of the installation surface 6, the width (for example, 20 mm to 30 mm) of opening in the water flow channel 5 becomes large as shown in FIG. 5 (b), and in the convex portion 6b of the installation surface 6, FIG. 5 ( As shown in a), the width (for example, about 15 mm) of the water flow channel 5 is reduced. Therefore, as shown in FIG. 5A, at a position where the width of the installation surface 6 is small and the width of the opening to the water passage 5 is large, the operator can easily access from above the water passage 5.

図５（ａ）及び（ｂ）から分かるように、設置面６の下方に流水路５の底面５ａが設けられており、また、設置面６及び底面５ａはともに室内機１の手前側（同図において左方）が下方となるように傾斜している。
なお、図５において室内熱交換器９が２つ重ねて設けられているが、１つの熱交換器であっても良い。 As can be seen from FIGS. 5A and 5B, the bottom surface 5a of the water flow channel 5 is provided below the installation surface 6, and both the installation surface 6 and the bottom surface 5a are on the front side (same as above) of the indoor unit 1. In the figure, the left side) is tilted downward.
Although two indoor heat exchangers 9 are provided in a stack in FIG. 5, one heat exchanger may be used.

上述の室内機１によれば、以下の作用効果を奏する。
室内熱交換器９で凝縮した水は流水路５へと導かれドレンパン７へと流れ込む。流水路５には、長手方向Ｄ１の一方向に向かって全体が傾斜するとともに、幅方向Ｄ２の一方向に向かって全体が傾斜する底面５ａを有しているので、流水路５に流れ込んだ水は、長手方向Ｄ１に一方向に集められるとともに幅方向Ｄ２の一方向に集められる。このように、室内機１が傾斜されて取り付けられても、底面５ａの全体が長手方向Ｄ１及び幅方向Ｄ２に傾斜されているので、底面５ａの傾斜が常に維持されることになり、円滑に水をドレンパン７へと導くことができる。 According to the indoor unit 1 described above, the following effects are exhibited.
The water condensed by the indoor heat exchanger 9 is guided to the running water channel 5 and flows into the drain pan 7. Since the water flow channel 5 has a bottom surface 5a that is entirely inclined toward one direction of the longitudinal direction D1 and is inclined entirely toward one direction of the width direction D2, the water that has flowed into the water flow channel 5 is provided. Are collected in one direction in the longitudinal direction D1 and in one direction in the width direction D2. In this way, even if the indoor unit 1 is tilted and attached, the entire bottom surface 5a is tilted in the longitudinal direction D1 and the width direction D2, so that the tilting of the bottom surface 5a is always maintained, and the bottom surface 5a is smoothly tilted. Water can be guided to the drain pan 7.

図５に示したように、流水路５の底面５ａが室内熱交換器９の下端が設置された設置面６よりも下方に位置しているので、室内熱交換器９から導かれたドレン水は常に底面５ａへと流下することになり、ドレン水を円滑に流すことができる。 As shown in FIG. 5, since the bottom surface 5a of the water flow channel 5 is located below the installation surface 6 on which the lower end of the indoor heat exchanger 9 is installed, the drain water guided from the indoor heat exchanger 9 is located. Always flows down to the bottom surface 5a, so that the drain water can flow smoothly.

設置面６を、長手方向において、幅方向の寸法が小さくなる凹部６ａと幅方向の寸法が大きくなる凸部６ｂとを有する形状とした。これにより、凹部６ａでは底面５ａにアクセスするスペースを凸部６ｂよりも大きく確保することができる。これにより、設置面６に設ける遮風部材８を取り付ける際に容易にアクセスすることができる。 The installation surface 6 has a shape having a concave portion 6a having a small width direction and a convex portion 6b having a large width direction in the longitudinal direction. As a result, in the concave portion 6a, a space for accessing the bottom surface 5a can be secured larger than that in the convex portion 6b. As a result, it can be easily accessed when the windshield member 8 provided on the installation surface 6 is attached.

１ 室内機
３ ベースプレート
５ 流水路
５ａ 底面
６ 設置面（熱交換器設置面）
７ ドレンパン
８ 遮風部材
９ 室内熱交換器（熱交換器） 1 Indoor unit 3 Base plate 5 Flow channel 5a Bottom surface 6 Installation surface (heat exchanger installation surface)
7 Drain pan 8 Wind shield member 9 Indoor heat exchanger (heat exchanger)

Claims (1)

熱交換器から滴下する水を受ける流水路と、
該流水路から導かれた水を受けるドレンパンと、
を備えている空気調和装置の室内機であって、
前記流水路は、長手方向の一方向に向かって全体が傾斜するとともに、該長手方向に直交する幅方向の一方向に向かって全体が傾斜する底面を有し、
前記底面は、前記熱交換器の下端が設置された熱交換器設置面よりも下方に位置し、
前記熱交換器設置面は、前記長手方向において、前記幅方向の寸法が小さくなる凹部と該寸法が大きくなる凸部とを有し、
前記熱交換器設置面と前記熱交換器の下面との間には、遮風部材が設けられ、
前記遮風部材は、前記熱交換器設置面の形状に略一致した形状とされていることを特徴とする空気調和装置の室内機。 A running channel that receives water dripping from the heat exchanger,
A drain pan that receives the water guided from the running channel and
It is an indoor unit of an air conditioner equipped with
The flow channel has a bottom surface that is entirely inclined in one direction in the longitudinal direction and is inclined in the entire width direction orthogonal to the longitudinal direction .
The bottom surface is located below the heat exchanger installation surface on which the lower end of the heat exchanger is installed.
The heat exchanger installation surface has a concave portion in which the dimension in the width direction becomes smaller and a convex portion in which the dimension becomes larger in the longitudinal direction.
A windshield member is provided between the heat exchanger installation surface and the lower surface of the heat exchanger.
An indoor unit of an air conditioner , wherein the windshield member has a shape substantially matching the shape of the heat exchanger installation surface.
JP2017070984A 2017-03-31 2017-03-31 Indoor unit of air conditioner Active JP6847739B2 (en)

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AU2018245359A AU2018245359B2 (en) 2017-03-31 2018-03-07 Indoor unit for air conditioning device
EP18776766.0A EP3527907A4 (en) 2017-03-31 2018-03-07 Indoor unit for air conditioning device

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JPH06257778A (en) * 1993-03-01 1994-09-16 Daikin Ind Ltd Drain structure for air conditioner
JP4985697B2 (en) * 2009-04-17 2012-07-25 ダイキン工業株式会社 Air conditioner indoor unit
JP2011220558A (en) * 2010-04-06 2011-11-04 Daikin Industries Ltd Air conditioning device
JP5606419B2 (en) * 2011-09-30 2014-10-15 三菱電機株式会社 Air conditioner
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AU2018245359B2 (en) 2020-04-30
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JP2018173214A (en) 2018-11-08
EP3527907A4 (en) 2019-10-23

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