WO2017017851A1 - Indoor unit of air conditioners - Google Patents

Indoor unit of air conditioners Download PDF

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Publication number
WO2017017851A1
WO2017017851A1 PCT/JP2015/071699 JP2015071699W WO2017017851A1 WO 2017017851 A1 WO2017017851 A1 WO 2017017851A1 JP 2015071699 W JP2015071699 W JP 2015071699W WO 2017017851 A1 WO2017017851 A1 WO 2017017851A1
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WIPO (PCT)
Prior art keywords
air
suction port
casing
indoor unit
air passage
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PCT/JP2015/071699
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French (fr)
Japanese (ja)
Inventor
中川 英知
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三菱電機株式会社
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Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2017530577A priority Critical patent/JP6385582B2/en
Priority to PCT/JP2015/071699 priority patent/WO2017017851A1/en
Priority to CN201590001145.1U priority patent/CN206890670U/en
Publication of WO2017017851A1 publication Critical patent/WO2017017851A1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters

Definitions

  • the present invention relates to an indoor unit of an air conditioner in which a blower is arranged on the upstream side of a heat exchanger.
  • an indoor unit of an air conditioner like Patent Document 1 needs to send indoor air sucked in by a blower to a heat exchanger without leakage. Moreover, it is necessary to blow out the conditioned air heat-exchanged by the heat exchanger from the outlet to the indoor space without leakage. For this reason, the air passage from the suction port at the upper part of the casing to the air outlet at the lower part of the casing is sealed to prevent air leakage in the middle of the air passage.
  • the heat exchanger tube storage part which seals the edge part of the several heat exchanger tube of a heat exchanger is provided in the air channel outer chamber provided in the side of the heat exchanger in the inside of a casing.
  • an electrical component box containing a control board is provided in the vicinity of the heat transfer tube storage part of the air passage outer chamber.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an indoor unit of an air conditioner that can suppress a temperature rise around an electrical component box.
  • the indoor unit of the air conditioner according to the present invention is provided on the downstream side of the first suction port in the casing, the casing having the first suction port in the upper part and the first air outlet in the lower part, A blower having a second suction port at the top, a heat exchanger provided on the downstream side of the blower inside the casing and having a plurality of fins and a plurality of heat transfer tubes, and the heat inside the casing
  • An air passage outer chamber provided on a side of the exchanger, provided in the air passage outer chamber, a heat transfer tube storage portion storing one end of the heat transfer tube, and provided in the air passage outer chamber
  • An electrical component box that houses the control device, and has an air passage that communicates between the first air inlet and the second air inlet and the air passage outer chamber.
  • an air passage is formed that communicates between the suction port of the casing and the suction port of the blower and the air passage outer chamber provided with the electrical component box.
  • the air around the electrical component box can be sucked from the air passage by the blower.
  • Embodiment 1 of the present invention It is the perspective view which looked at the indoor unit of the air conditioner concerning Embodiment 1 of the present invention from the front right side. It is a front view which shows typically the inside of the indoor unit of the air conditioner which concerns on Embodiment 1 of this invention. It is a perspective view of the surroundings of the air blower of the indoor unit of the air conditioner which concerns on Embodiment 2 of this invention. It is a front view which shows typically the inside of the indoor unit of the air conditioner which concerns on Embodiment 2 of this invention.
  • FIG. 1 is a perspective view of an air conditioner indoor unit 100 according to Embodiment 1 of the present invention as viewed from the front right side
  • FIG. 2 is an air conditioner indoor unit according to Embodiment 1 of the present invention.
  • 1 is a front view schematically showing the inside of 100.
  • FIG. 1 the arrow in FIG. 2 has shown the flow of air.
  • two air blowers 10 having the same configuration are provided side by side.
  • the present invention is not limited to this, and one or three or more may be provided.
  • FIG. 2 only one air blower 10 is shown for convenience.
  • FIG. 1 and FIG. 2 the structure of the indoor unit 100 which concerns on this Embodiment 1 is demonstrated.
  • This indoor unit 100 supplies conditioned air to an air-conditioning target area such as a room by using a refrigeration cycle in which a refrigerant is circulated.
  • the indoor unit 100 mainly includes a casing 1 in which a first inlet 2 for sucking indoor air into the interior and a first outlet 3 for supplying conditioned air to an air-conditioning target area, and the casing 1.
  • a blower 10 that is housed in the interior, sucks room air from the first suction port 2, and blows out conditioned air from the first blower outlet 3, and is disposed in the air passage from the blower 10 to the first blower outlet 3.
  • a heat exchanger 20 that creates conditioned air by exchanging heat with room air.
  • the air path (arrow of FIG. 2) is connected in the casing 1 by these components.
  • the first suction port 2 is formed in the upper part of the casing 1.
  • the 1st blower outlet 3 is formed in the lower part of the casing 1, more specifically, the front part of the casing 1 lower opening side.
  • the first air outlet 3 is provided with a wind direction plate 4 in order to send air that has been cooled, heated, dehumidified, and the like by the heat exchanger 20 (hereinafter referred to as conditioned air) in various directions in the indoor space. ing.
  • the blower 10 is provided on the downstream side of the first suction port 2 and the upstream side of the heat exchanger 20, for example, an axial flow fan, a mixed flow fan, a cross flow fan, a sirocco fan, or the like. And a fan storage portion 12 in which the fan 11 is disposed.
  • a second suction port 13 for sending air to the fan 11 is formed in the upper part of the blower 10, and a second part for sending air to the heat exchanger 20 provided downstream of the fan 11 is formed in the lower part of the blower 10.
  • Two air outlets 14 are formed.
  • the fan 11 is connected to a drive motor (not shown) that rotationally drives the fan 11.
  • the heat exchanger 20 is arranged on the upstream side of the first outlet 3 and on the downstream side of the blower 10.
  • the heat exchanger 20 includes a plurality of aluminum fins 21 stacked at regular intervals, and a plurality of heat transfer tubes 22 penetrating the aluminum fins 21.
  • the heat transfer tube 22 is connected to another heat transfer tube 22 at the end.
  • the heat transfer tube 22 branches a refrigerant sent from an outdoor heat exchanger (not shown) provided in an outdoor unit (not shown) of the air conditioner into a plurality of parts, and has resistance caused by the flow of the refrigerant. A plurality are provided for relaxation.
  • an air passage outer chamber 30 is provided on the side of the heat exchanger 20 inside the casing 1, and one end portion of the plurality of heat transfer tubes 22 is provided in the air passage outer chamber 30. It is stored in the heat tube storage unit 23. In addition, you may further provide the heat exchanger tube accommodating part which accommodates the other edge part of the some heat exchanger tube 22. As shown in FIG.
  • Two pipes 24 are provided at one end of the heat exchanger 20. These pipes 24 are connected to an outdoor heat exchanger, and in one pipe 24, the refrigerant sent from the outdoor heat exchanger to the heat exchanger 20 flows, and the other pipe 24 is connected to the outdoor from the heat exchanger 20. The refrigerant sent to the heat exchanger flows.
  • an electrical component box 6 storing a control board 5 for controlling the blower 10 and the wind direction plate 4 is provided.
  • the electrical component box 6 houses a control board 5 that controls the blower 10 and the wind direction plate 4.
  • electronic components (not shown) disposed on the control board 5 are accommodated. ) Generates heat.
  • the electrical component box 6 is promoted to increase in internal temperature due to heat generated by the electronic components. As a result, the electronic components arranged on the control board 5 may be damaged due to heat.
  • the second suction port 13 is formed at a position different from the first suction port 2, specifically, the second suction port 13 is formed on the downstream side of the first suction port 2. And the air path 31 which connects between the 1st inlet 2 and the 2nd inlet 13 and the air path outer chamber 30 in which the electrical component box 6 was provided is formed.
  • the air around the electrical component box 6 in the air passage outer chamber 30 can be sucked from the air passage 31 by the blower 10. As a result, it is possible to eliminate the accumulation of heat around the electrical component box 6 in the air passage outer chamber 30 and to suppress the temperature rise around the electrical component box 6, so that it is arranged on the control board 5 in the electrical component box 6. The failure of the electronic component can be suppressed.
  • air other than the air passage 31 is prevented from flowing into the air passage 30 from the second suction port 13 of the blower 10 to the first air outlet 3.
  • the indoor unit 100 which concerns on this Embodiment 1, while being able to perform an efficient operation, the failure of an electronic component can be suppressed and the dew condensation at the time of air_conditionaing
  • cooling operation can be suppressed. Therefore, the indoor unit 100 of a high quality air conditioner can be provided.
  • FIG. 3 is a perspective view around the air blower 10 of the indoor unit 101 of the air conditioner according to Embodiment 2 of the present invention
  • FIG. 4 is an indoor unit of the air conditioner according to Embodiment 2 of the present invention.
  • 1 is a front view schematically showing the inside of 101.
  • FIG. 4 has shown the flow of air.
  • two air blowers 10 having the same configuration are provided side by side.
  • the present invention is not limited to this, and one or three or more may be provided.
  • FIG. 4 only one air blower 10 is shown for convenience.
  • a filter storage unit 40 is provided between the first suction port 2 and the second suction port 13.
  • a filter housing case 41 in which a filter 42 is housed is attached to the filter housing portion 40.
  • the filter 42 is for suppressing indoor dust and the like from entering the interior of the indoor unit 101 and adhering to the heat exchanger 20.
  • the filter storage case 41 attached to the upstream side of the second suction port 13 is attached so that it can be easily attached and detached from the filter storage portion 40 when cleaning the dust attached to the filter 42 and the like.
  • a vent hole 44 is formed in a side portion of the filter storage portion 40 so as to communicate the filter storage portion 40 with the air passage outer chamber 30 provided with the electrical component box 6.
  • a vent hole 43 for communicating the filter storage case 41 and the air passage outer chamber 30 is formed.
  • vent holes 43 and 44 correspond to the “air path” of the present invention.
  • FIG. 3 although the case where an axial flow fan is used as the fan 11 of the air blower 10 is described as an example, in that case, the position of the vent hole 44 formed in the side portion of the filter storage unit 40 is Generation
  • the fan storage portion 12 and the filter storage portion 40 are integrally formed, but may be provided separately.
  • the filter storage unit 40 is provided between the first suction port 2 and the second suction port 13, the side portion of the filter storage unit 40, and the filter storage Vent holes 43 and 44 are formed in the side portion of the filter storage case 41 attached to the portion 40 to communicate them with the air passage outer chamber 30 provided with the electrical component box 6.
  • vent holes 43 and 44 By forming the vent holes 43 and 44, the air around the electrical component box 6 can be sucked by the blower 10 from the vent holes 43 and 44. As a result, it is possible to eliminate the heat accumulation around the electrical component box 6 and suppress the temperature rise around the electrical component box 6, so that the failure of the electronic components arranged on the control board 5 in the electrical component box 6 can be prevented. Can be suppressed.
  • the indoor unit 101 As described above, according to the indoor unit 101 according to the second embodiment, it is possible to perform an efficient operation, suppress a failure of an electronic component, and suppress dew condensation during a cooling operation. Therefore, the indoor unit 101 of a high quality air conditioner can be provided.
  • the filter housing case 41 in which the filter 42 is housed is detachably attached to the filter housing portion 40, but the filter 42 is directly detachably attached to the filter housing portion 40. It is good also as a structure. In that case, only the vent hole 44 may be formed.

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

Abstract

This indoor unit of air conditioners is equipped with: a casing which has a first suction port at the top thereof and a first blowout port at the bottom thereof; an air blower which is provided downstream from the first suction port within the casing, and has a second suction port at the top thereof; a heat exchanger which is provided downstream from the air blower within the casing, and has a plurality of fins and a plurality of heat transfer pipes; an air passage outside chamber which is provided lateral to the heat exchanger within the casing; a heat transfer pipe storage portion which is provided in the air passage outside chamber and stores one end of the heat transfer pipes; and an electric component box which is provided in the air passage outside chamber and stores a controller. The indoor unit has an air passage that provides communication between the space between the first suction port and the second suction port and the air passage outside chamber.

Description

空気調和機の室内機Air conditioner indoor unit
 本発明は、熱交換器の上流側に送風装置が配置された空気調和機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 in which a blower is arranged on the upstream side of a heat exchanger.
 従来、上部に吸込口、下部に吹出口が形成されたケーシングの内部に、室内空気と熱交換を行う熱交換器と、熱交換器の上流側に配置され、室内空気を吸い込む送風装置と、を備えた空気調和機の室内機が開示されている(例えば、特許文献1参照)。 Conventionally, a heat exchanger that exchanges heat with room air inside a casing formed with a suction port at the upper part and a blower outlet at the lower part, a blower device that is arranged on the upstream side of the heat exchanger and sucks room air, The indoor unit of the air conditioner provided with this is disclosed (for example, refer patent document 1).
 特許文献1のような空気調和機の室内機は、効率のよい運転を行うためには、送風装置により吸い込まれた室内空気を漏れなく熱交換器に送る必要がある。また、熱交換器で熱交換された調和空気を漏れなく吹出口から室内空間に吹き出す必要がある。そのため、ケーシングの上部の吸込口からケーシングの下部の吹出口までの風路を密閉し、風路途中で空気漏れがないようにしている。 In order to perform an efficient operation, an indoor unit of an air conditioner like Patent Document 1 needs to send indoor air sucked in by a blower to a heat exchanger without leakage. Moreover, it is necessary to blow out the conditioned air heat-exchanged by the heat exchanger from the outlet to the indoor space without leakage. For this reason, the air passage from the suction port at the upper part of the casing to the air outlet at the lower part of the casing is sealed to prevent air leakage in the middle of the air passage.
 そして、ケーシングの内部における熱交換器の側方に設けられた風路外室には、熱交換器の複数の伝熱管の端部を密閉する伝熱管収納部が設けられている。また、風路外室の伝熱管収納部近傍には、制御基板を収納した電気品箱が設けられている。 And the heat exchanger tube storage part which seals the edge part of the several heat exchanger tube of a heat exchanger is provided in the air channel outer chamber provided in the side of the heat exchanger in the inside of a casing. In addition, an electrical component box containing a control board is provided in the vicinity of the heat transfer tube storage part of the air passage outer chamber.
特開2012-37085号公報JP 2012-37085 A
 しかし、上記のような従来の空気調和機の室内機において、暖房運転時では、伝熱管を高温の冷媒が流れるため、伝熱管の端部を収納する伝熱管収納部の温度は上昇する。そして、風路が密閉されているため、電気品箱周辺では空気の流れが発生せず、加熱された空気が滞留した状態となる。そして、電気品箱周辺に熱がこもり、電気品箱の温度上昇が促進される。また、室内機を動作させると電気品箱内の制御基板に配置されている電子部品は発熱する。そして、電気品箱は、伝熱管収納部からの熱に加え、電子部品の発熱により、内部の温度上昇が促進される。その結果、熱の影響により、制御基板に配置されている電子部品に悪影響を及ぼす可能性があった。 However, in the conventional air conditioner indoor unit as described above, during the heating operation, since the high-temperature refrigerant flows through the heat transfer tube, the temperature of the heat transfer tube storage portion that stores the end of the heat transfer tube rises. And since an air path is sealed, the flow of air does not generate | occur | produce around an electrical component box, but it will be in the state which the heated air stagnated. And heat accumulates around an electrical component box, and the temperature rise of an electrical component box is accelerated | stimulated. Further, when the indoor unit is operated, the electronic components arranged on the control board in the electrical component box generate heat. And an electrical component box promotes a temperature rise inside by the heat | fever of an electronic component in addition to the heat from a heat exchanger tube accommodating part. As a result, there is a possibility that the electronic components arranged on the control board may be adversely affected by the influence of heat.
 本発明は、以上のような課題を解決するためになされたもので、電気品箱周辺の温度上昇を抑制することができる空気調和機の室内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 of the present invention is to provide an indoor unit of an air conditioner that can suppress a temperature rise around an electrical component box.
 本発明に係る空気調和機の室内機は、上部に第一吸込口を有し、下部に第一吹出口を有するケーシングと、前記ケーシングの内部における前記第一吸込口の下流側に設けられ、上部に第二吸込口を有する送風装置と、前記ケーシングの内部における前記送風装置の下流側に設けられ、複数のフィンと複数の伝熱管とを有する熱交換器と、前記ケーシングの内部における前記熱交換器の側方に設けられた風路外室と、前記風路外室に設けられ、前記伝熱管の一方の端部を収納した伝熱管収納部と、前記風路外室に設けられ、制御装置を収納した電気品箱と、を備え、前記第一吸込口と前記第二吸込口との間と、前記風路外室とを連通する風路を有するものである。 The indoor unit of the air conditioner according to the present invention is provided on the downstream side of the first suction port in the casing, the casing having the first suction port in the upper part and the first air outlet in the lower part, A blower having a second suction port at the top, a heat exchanger provided on the downstream side of the blower inside the casing and having a plurality of fins and a plurality of heat transfer tubes, and the heat inside the casing An air passage outer chamber provided on a side of the exchanger, provided in the air passage outer chamber, a heat transfer tube storage portion storing one end of the heat transfer tube, and provided in the air passage outer chamber, An electrical component box that houses the control device, and has an air passage that communicates between the first air inlet and the second air inlet and the air passage outer chamber.
 本発明に係る空気調和機の室内機によれば、ケーシングの吸込口と送風装置の吸込口との間と、電気品箱が設けられた風路外室とを連通する風路が形成されており、その風路から電気品箱周辺の空気を送風装置により吸い込むことができる。その結果、風路外室の電気品箱周辺の熱のこもりを解消し、電気品箱周辺の温度上昇を抑制することができるため、電気品箱内の制御基板に配置されている電子部品の故障を抑制することができる。 According to the indoor unit of an air conditioner according to the present invention, an air passage is formed that communicates between the suction port of the casing and the suction port of the blower and the air passage outer chamber provided with the electrical component box. The air around the electrical component box can be sucked from the air passage by the blower. As a result, it is possible to eliminate the accumulation of heat around the electrical component box in the outside of the air channel and suppress the temperature rise around the electrical component box, so that the electronic components arranged on the control board in the electrical component box Failure can be suppressed.
本発明の実施の形態1に係る空気調和機の室内機を前面右側から見た斜視図である。It is the perspective view which looked at the indoor unit of the air conditioner concerning Embodiment 1 of the present invention from the front right side. 本発明の実施の形態1に係る空気調和機の室内機の内部を模式的に示す正面図である。It is a front view which shows typically the inside of the indoor unit of the air conditioner which concerns on Embodiment 1 of this invention. 本発明の実施の形態2に係る空気調和機の室内機の送風装置周辺の斜視図である。It is a perspective view of the surroundings of the air blower of the indoor unit of the air conditioner which concerns on Embodiment 2 of this invention. 本発明の実施の形態2に係る空気調和機の室内機の内部を模式的に示す正面図である。It is a front view which shows typically the inside of the indoor unit of the air conditioner which concerns on Embodiment 2 of this invention.
 以下、本発明の実施の形態を図面に基づいて説明する。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 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.
 実施の形態1.
 図1は、本発明の実施の形態1に係る空気調和機の室内機100を前面右側から見た斜視図であり、図2は、本発明の実施の形態1に係る空気調和機の室内機100の内部を模式的に示す正面図である。なお、図2中の矢印は、空気の流れを示している。また、図1では同様の構成の送風装置10が二つ並んで設けられているが、それに限定されず、一つでもよいし、三つ以上設けてもよい。また、図2では、便宜上、送風装置10を一つのみ図示している。
 以下、図1および図2に基づいて、本実施の形態1に係る室内機100の構成について説明する。
Embodiment 1 FIG.
FIG. 1 is a perspective view of an air conditioner indoor unit 100 according to Embodiment 1 of the present invention as viewed from the front right side, and FIG. 2 is an air conditioner indoor unit according to Embodiment 1 of the present invention. 1 is a front view schematically showing the inside of 100. FIG. In addition, the arrow in FIG. 2 has shown the flow of air. In FIG. 1, two air blowers 10 having the same configuration are provided side by side. However, the present invention is not limited to this, and one or three or more may be provided. Moreover, in FIG. 2, only one air blower 10 is shown for convenience.
Hereinafter, based on FIG. 1 and FIG. 2, the structure of the indoor unit 100 which concerns on this Embodiment 1 is demonstrated.
 この室内機100は、冷媒を循環させる冷凍サイクルを利用することで、室内などの空調対象域に空調空気を供給するものである。室内機100は、主に、室内空気を内部に吸い込むための第一吸込口2および空調空気を空調対象域に供給するための第一吹出口3が形成されているケーシング1と、このケーシング1内に収納され、第一吸込口2から室内空気を吸い込み、第一吹出口3から空調空気を吹き出す送風装置10と、送風装置10から第一吹出口3までの風路に配設され、冷媒と室内空気とで熱交換することで空調空気を作り出す熱交換器20と、を有している。 This indoor unit 100 supplies conditioned air to an air-conditioning target area such as a room by using a refrigeration cycle in which a refrigerant is circulated. The indoor unit 100 mainly includes a casing 1 in which a first inlet 2 for sucking indoor air into the interior and a first outlet 3 for supplying conditioned air to an air-conditioning target area, and the casing 1. A blower 10 that is housed in the interior, sucks room air from the first suction port 2, and blows out conditioned air from the first blower outlet 3, and is disposed in the air passage from the blower 10 to the first blower outlet 3. And a heat exchanger 20 that creates conditioned air by exchanging heat with room air.
 そして、これらの構成要素によりケーシング1内に風路(図2の矢印)が連通されている。第一吸込口2は、ケーシング1の上部に開口形成されている。また、第一吹出口3は、ケーシング1の下部に、より詳しくは、ケーシング1の前面部下側に開口形成されている。この第一吹出口3には、熱交換器20で冷却、加熱、除湿などを行った空気(以下、調和空気と称する)を室内空間のさまざまな方向に送り出すために、風向板4が設けられている。 And the air path (arrow of FIG. 2) is connected in the casing 1 by these components. The first suction port 2 is formed in the upper part of the casing 1. Moreover, the 1st blower outlet 3 is formed in the lower part of the casing 1, more specifically, the front part of the casing 1 lower opening side. The first air outlet 3 is provided with a wind direction plate 4 in order to send air that has been cooled, heated, dehumidified, and the like by the heat exchanger 20 (hereinafter referred to as conditioned air) in various directions in the indoor space. ing.
 送風装置10は、例えば、軸流ファン、斜流ファン、クロスフローファン、シロッコファンなどであるファン11と、第一吸込口2の下流側で、かつ、熱交換器20の上流側に設けられ、ファン11が配設されるファン収納部12と、を備えている。送風装置10の上部には、ファン11に空気を送り込む第二吸込口13が形成されており、送風装置10の下部には、ファン11の下流に設けられた熱交換器20に空気を送り込む第二吹出口14が形成されている。
 なお、ファン11には、ファン11を回転駆動する駆動モータ(図示せず)が接続さている。
The blower 10 is provided on the downstream side of the first suction port 2 and the upstream side of the heat exchanger 20, for example, an axial flow fan, a mixed flow fan, a cross flow fan, a sirocco fan, or the like. And a fan storage portion 12 in which the fan 11 is disposed. A second suction port 13 for sending air to the fan 11 is formed in the upper part of the blower 10, and a second part for sending air to the heat exchanger 20 provided downstream of the fan 11 is formed in the lower part of the blower 10. Two air outlets 14 are formed.
The fan 11 is connected to a drive motor (not shown) that rotationally drives the fan 11.
 熱交換器20は、第一吹出口3の上流側で、かつ、送風装置10の下流側に配置されている。熱交換器20は、一定の間隔を置いて積層された複数のアルミフィン21と、これらアルミフィン21を貫通する複数の伝熱管22と、を備えている。この伝熱管22は、端部で他の伝熱管22と接続されている。なお、伝熱管22は、空気調和機の室外機(図示せず)に設けられた室外熱交換器(図示せず)から送られてきた冷媒を複数に分岐させ、冷媒の流れにより生じる抵抗を緩和するために、複数設けられている。 The heat exchanger 20 is arranged on the upstream side of the first outlet 3 and on the downstream side of the blower 10. The heat exchanger 20 includes a plurality of aluminum fins 21 stacked at regular intervals, and a plurality of heat transfer tubes 22 penetrating the aluminum fins 21. The heat transfer tube 22 is connected to another heat transfer tube 22 at the end. The heat transfer tube 22 branches a refrigerant sent from an outdoor heat exchanger (not shown) provided in an outdoor unit (not shown) of the air conditioner into a plurality of parts, and has resistance caused by the flow of the refrigerant. A plurality are provided for relaxation.
 また、ケーシング1の内部における熱交換器20の側方には、風路外室30が設けられており、複数の伝熱管22の一方の端部は、風路外室30に設けられた伝熱管収納部23に収納されている。
 なお、複数の伝熱管22のもう一方の端部を収納する伝熱管収納部をさらに設けてもよい。
Further, an air passage outer chamber 30 is provided on the side of the heat exchanger 20 inside the casing 1, and one end portion of the plurality of heat transfer tubes 22 is provided in the air passage outer chamber 30. It is stored in the heat tube storage unit 23.
In addition, you may further provide the heat exchanger tube accommodating part which accommodates the other edge part of the some heat exchanger tube 22. As shown in FIG.
 熱交換器20の一方の端部には2つの配管24が設けられている。それら配管24は、室外熱交換器に接続されており、一方の配管24は、室外熱交換器から熱交換器20に送られる冷媒が流れ、もう一方の配管24は、熱交換器20から室外熱交換器に送られる冷媒が流れる。 Two pipes 24 are provided at one end of the heat exchanger 20. These pipes 24 are connected to an outdoor heat exchanger, and in one pipe 24, the refrigerant sent from the outdoor heat exchanger to the heat exchanger 20 flows, and the other pipe 24 is connected to the outdoor from the heat exchanger 20. The refrigerant sent to the heat exchanger flows.
 また、風路外室30の伝熱管収納部23近傍には、送風装置10および風向板4などを制御する制御基板5を収納した電気品箱6が設けられている。 Also, in the vicinity of the heat transfer tube storage portion 23 of the air passage outer chamber 30, an electrical component box 6 storing a control board 5 for controlling the blower 10 and the wind direction plate 4 is provided.
 このような室内機100において、熱交換器20と第一吹出口3との間に隙間があると、そこから空気漏れが発生する。そして、冷房運転時では、室内機100の内部、つまり、ケーシング1の内部の風路以外に冷却された空気が流れる。そのため、その冷却された空気と室内空気温度との温度差によりケーシング1の内部に結露が発生し、電子部品の故障を招くとともに、室内機100から水滴が室内空間に滴下してしまう恐れがある。また、暖房運転時では、ケーシング1の内部の風路以外に加熱された空気が流れる。そのため、電気品箱6の温度上昇が促進され、電気品箱6内の制御基板5に配置されている電子部品の温度上昇も促進されるため、熱の影響により電子部品の故障を招く恐れがある。 In such an indoor unit 100, if there is a gap between the heat exchanger 20 and the first outlet 3, air leaks from there. During the cooling operation, the cooled air flows outside the indoor unit 100, that is, outside the air path inside the casing 1. Therefore, the temperature difference between the cooled air and the indoor air temperature causes dew condensation inside the casing 1, leading to a failure of the electronic components and water droplets from the indoor unit 100 to the indoor space. . Further, during the heating operation, heated air flows other than the air path inside the casing 1. For this reason, the temperature rise of the electrical component box 6 is promoted, and the temperature rise of the electronic components arranged on the control board 5 in the electrical component box 6 is also promoted. is there.
 また、効率のよい運転を行うためには、送風装置10により室内空間から吸い込んだ室内空気を漏れなく熱交換器20に送る必要がある。また、熱交換器20で熱交換された調和空気を漏れなく室内空間に吹き出す必要がある。 Further, in order to perform an efficient operation, it is necessary to send indoor air sucked from the indoor space by the blower 10 to the heat exchanger 20 without leakage. Moreover, it is necessary to blow out the conditioned air heat-exchanged by the heat exchanger 20 into the indoor space without leakage.
 そこで、室内機100において、送風装置10の第二吸込口13から第一吹出口3までの風路を密閉し、風路途中で空気漏れがないようにする必要がある。 Therefore, in the indoor unit 100, it is necessary to seal the air path from the second suction port 13 of the blower 10 to the first air outlet 3 so that there is no air leakage in the middle of the air path.
 しかし、第二吸込口13を第一吸込口2と同じ位置に形成した場合、暖房運転時では、伝熱管22を高温の冷媒が流れるため、複数の伝熱管22の端部を収納する伝熱管収納部23の温度は上昇する。そして、ケーシング1の上部の第一吸込口2からケーシング1の下部の第一吹出口3までの風路が密閉されることになるため、電気品箱6周辺では空気の流れが発生せず、加熱された空気が滞留した状態となる。そして、電気品箱6周辺に熱がこもり、電気品箱6の温度上昇が促進される。 However, when the second suction port 13 is formed at the same position as the first suction port 2, since a high-temperature refrigerant flows through the heat transfer tube 22 during the heating operation, the heat transfer tubes that house the ends of the plurality of heat transfer tubes 22. The temperature of the storage part 23 rises. And since the air path from the 1st inlet 2 of the upper part of the casing 1 to the 1st blower outlet 3 of the lower part of the casing 1 will be sealed, the flow of air does not generate | occur | produce around the electrical component box 6, The heated air remains. And heat accumulates around the electrical component box 6, and the temperature rise of the electrical component box 6 is promoted.
 また、電気品箱6には、送風装置10および風向板4などを制御する制御基板5が収納されており、室内機100を動作させると制御基板5に配置されている電子部品(図示せず)は発熱する。そして、電気品箱6は、伝熱管収納部23からの熱に加え、電子部品の発熱により、内部の温度上昇が促進される。その結果、熱の影響により、制御基板5に配置されている電子部品の故障を招く恐れがある。 The electrical component box 6 houses a control board 5 that controls the blower 10 and the wind direction plate 4. When the indoor unit 100 is operated, electronic components (not shown) disposed on the control board 5 are accommodated. ) Generates heat. In addition to the heat from the heat transfer tube storage unit 23, the electrical component box 6 is promoted to increase in internal temperature due to heat generated by the electronic components. As a result, the electronic components arranged on the control board 5 may be damaged due to heat.
 そこで、本実施の形態1に係る室内機100では、第二吸込口13を第一吸込口2と異なる位置、詳しくは、第二吸込口13を第一吸込口2の下流側に形成する。そして、第一吸込口2と第二吸込口13との間と、電気品箱6が設けられた風路外室30とを連通する風路31を形成する。 Therefore, in the indoor unit 100 according to Embodiment 1, the second suction port 13 is formed at a position different from the first suction port 2, specifically, the second suction port 13 is formed on the downstream side of the first suction port 2. And the air path 31 which connects between the 1st inlet 2 and the 2nd inlet 13 and the air path outer chamber 30 in which the electrical component box 6 was provided is formed.
 この風路31を形成することにより、風路31から風路外室30の電気品箱6周辺の空気を送風装置10により吸い込むことができる。その結果、風路外室30の電気品箱6周辺の熱のこもりを解消し、電気品箱6周辺の温度上昇を抑制することができるため、電気品箱6内の制御基板5に配置されている電子部品の故障を抑制することができる。 By forming the air passage 31, the air around the electrical component box 6 in the air passage outer chamber 30 can be sucked from the air passage 31 by the blower 10. As a result, it is possible to eliminate the accumulation of heat around the electrical component box 6 in the air passage outer chamber 30 and to suppress the temperature rise around the electrical component box 6, so that it is arranged on the control board 5 in the electrical component box 6. The failure of the electronic component can be suppressed.
 なお、風路31以外からは、送風装置10の第二吸込口13から第一吹出口3までの風路に風路外室30の空気が流れないようにしている。 It should be noted that air other than the air passage 31 is prevented from flowing into the air passage 30 from the second suction port 13 of the blower 10 to the first air outlet 3.
 以上より、本実施の形態1に係る室内機100によれば、効率のよい運転を行うことができるとともに、電子部品の故障を抑制し、冷房運転時の結露を抑制することができる。そのため、高品質の空気調和機の室内機100を提供することができる。 As mentioned above, according to the indoor unit 100 which concerns on this Embodiment 1, while being able to perform an efficient operation, the failure of an electronic component can be suppressed and the dew condensation at the time of air_conditionaing | cooling operation can be suppressed. Therefore, the indoor unit 100 of a high quality air conditioner can be provided.
 実施の形態2.
 以下、本発明の実施の形態2について説明するが、実施の形態1と重複するものについては(一部の)説明を省略し、実施の形態1と同じ部分または相当する部分には同じ符号を付す。
 図3は、本発明の実施の形態2に係る空気調和機の室内機101の送風装置10周辺の斜視図であり、図4は、本発明の実施の形態2に係る空気調和機の室内機101の内部を模式的に示す正面図である。なお、図4中の矢印は、空気の流れを示している。また、図3では同様の構成の送風装置10が二つ並んで設けられているが、それに限定されず、一つでもよいし、三つ以上設けてもよい。また、図4では、便宜上、送風装置10を一つのみ図示している。
Embodiment 2. FIG.
Hereinafter, the second embodiment of the present invention will be described. However, the description of (a part of) the same as that of the first embodiment is omitted, and the same reference numerals are given to the same or corresponding parts as those of the first embodiment. Attached.
FIG. 3 is a perspective view around the air blower 10 of the indoor unit 101 of the air conditioner according to Embodiment 2 of the present invention, and FIG. 4 is an indoor unit of the air conditioner according to Embodiment 2 of the present invention. 1 is a front view schematically showing the inside of 101. FIG. In addition, the arrow in FIG. 4 has shown the flow of air. In FIG. 3, two air blowers 10 having the same configuration are provided side by side. However, the present invention is not limited to this, and one or three or more may be provided. Moreover, in FIG. 4, only one air blower 10 is shown for convenience.
 以下、図3および図4に基づいて、本実施の形態2に係る室内機101の構成について説明する。
 本実施の形態2に係る空気調和機の室内機101は、第一吸込口2と第二吸込口13との間にフィルタ収納部40が設けられている。そして、フィルタ収納部40には、フィルタ42が内部に収納されたフィルタ収納ケース41が取り付けられている。ここで、フィルタ42は、室内の埃などが室内機101の内部に侵入して熱交換器20に付着するのを抑制するためのものである。
Hereinafter, based on FIG. 3 and FIG. 4, the structure of the indoor unit 101 which concerns on this Embodiment 2 is demonstrated.
In the indoor unit 101 of the air conditioner according to the second embodiment, a filter storage unit 40 is provided between the first suction port 2 and the second suction port 13. A filter housing case 41 in which a filter 42 is housed is attached to the filter housing portion 40. Here, the filter 42 is for suppressing indoor dust and the like from entering the interior of the indoor unit 101 and adhering to the heat exchanger 20.
 第二吸込口13の上流側に取り付けられているフィルタ収納ケース41は、フィルタ42に付着した埃などを取り除く手入れをする際に、フィルタ収納部40から容易に着脱できるように取り付けられている。 The filter storage case 41 attached to the upstream side of the second suction port 13 is attached so that it can be easily attached and detached from the filter storage portion 40 when cleaning the dust attached to the filter 42 and the like.
 また、フィルタ収納部40の側部には、フィルタ収納部40と電気品箱6が設けられた風路外室30とを連通する通気孔44が形成されており、フィルタ収納ケース41の側部にも同様に、フィルタ収納ケース41と風路外室30とを連通する通気孔43が形成されている。これら通気孔43、44は、図3に示すように複数形成することで、電気品箱6周辺の風路外室30のより多くの空気を送風装置10により取り込むことができる。 Further, a vent hole 44 is formed in a side portion of the filter storage portion 40 so as to communicate the filter storage portion 40 with the air passage outer chamber 30 provided with the electrical component box 6. Similarly, a vent hole 43 for communicating the filter storage case 41 and the air passage outer chamber 30 is formed. By forming a plurality of these air holes 43 and 44 as shown in FIG. 3, more air can be taken into the air passage outer chamber 30 around the electrical component box 6 by the blower 10.
 なお、通気孔43、44は、本発明の「風路」に相当する。 The vent holes 43 and 44 correspond to the “air path” of the present invention.
 なお、図3では、送風装置10のファン11として軸流ファンを用いた場合を例に記載しているが、その場合、フィルタ収納部40の側部に形成された通気孔44の位置を、第二吸込口13近傍ではなく、第二吸込口13から離すことで、送風装置10の風切り音の発生を抑制することができる。また、図3では、ファン収納部12とフィルタ収納部40とが一体形成されているが、それぞれ別体として設けてもよい。 In addition, in FIG. 3, although the case where an axial flow fan is used as the fan 11 of the air blower 10 is described as an example, in that case, the position of the vent hole 44 formed in the side portion of the filter storage unit 40 is Generation | occurrence | production of the wind noise of the air blower 10 can be suppressed by separating from the 2nd inlet 13 instead of the 2nd inlet 13 vicinity. In FIG. 3, the fan storage portion 12 and the filter storage portion 40 are integrally formed, but may be provided separately.
 以上のように、本実施の形態2に係る室内機101では、第一吸込口2と第二吸込口13との間にフィルタ収納部40を設け、フィルタ収納部40の側部、およびフィルタ収納部40に取り付けられるフィルタ収納ケース41の側部に、それらと電気品箱6が設けられた風路外室30とを連通する通気孔43、44を形成する。 As described above, in the indoor unit 101 according to the second embodiment, the filter storage unit 40 is provided between the first suction port 2 and the second suction port 13, the side portion of the filter storage unit 40, and the filter storage Vent holes 43 and 44 are formed in the side portion of the filter storage case 41 attached to the portion 40 to communicate them with the air passage outer chamber 30 provided with the electrical component box 6.
 この通気孔43、44を形成することにより、通気孔43、44から電気品箱6周辺の空気を送風装置10により吸い込むことができる。その結果、電気品箱6周辺の熱のこもりを解消し、電気品箱6周辺の温度上昇を抑制することができるため、電気品箱6内の制御基板5に配置されている電子部品の故障を抑制することができる。 By forming the vent holes 43 and 44, the air around the electrical component box 6 can be sucked by the blower 10 from the vent holes 43 and 44. As a result, it is possible to eliminate the heat accumulation around the electrical component box 6 and suppress the temperature rise around the electrical component box 6, so that the failure of the electronic components arranged on the control board 5 in the electrical component box 6 can be prevented. Can be suppressed.
 以上より、本実施の形態2に係る室内機101によれば、効率のよい運転を行うことができるとともに、電子部品の故障を抑制し、冷房運転時の結露を抑制することができる。そのため、高品質の空気調和機の室内機101を提供することができる。 As described above, according to the indoor unit 101 according to the second embodiment, it is possible to perform an efficient operation, suppress a failure of an electronic component, and suppress dew condensation during a cooling operation. Therefore, the indoor unit 101 of a high quality air conditioner can be provided.
 なお、本実施の形態2では、フィルタ収納部40に、フィルタ42が内部に収納されたフィルタ収納ケース41を着脱可能に取り付ける構成としたが、フィルタ収納部40にフィルタ42を直接着脱可能に取り付ける構成としてもよい。その場合は、通気孔44のみを形成すればよい。 In the second embodiment, the filter housing case 41 in which the filter 42 is housed is detachably attached to the filter housing portion 40, but the filter 42 is directly detachably attached to the filter housing portion 40. It is good also as a structure. In that case, only the vent hole 44 may be formed.
 1 ケーシング、2 第一吸込口、3 第一吹出口、4 風向板、5 制御基板、6 電気品箱、10 送風装置、11 ファン、12 ファン収納部、13 第二吸込口、14 第二吹出口、20 熱交換器、21 アルミフィン、22 伝熱管、23 伝熱管収納部、24 配管、30 風路外室、31 風路、40 フィルタ収納部、41 フィルタ収納ケース、42 フィルタ、43 通気孔、44 通気孔、100 室内機、101 室内機。 1 Casing, 2 First inlet, 3 First outlet, 4 Wind direction plate, 5 Control board, 6 Electrical component box, 10 Blower, 11 Fan, 12 Fan storage, 13 Second inlet, 14 Second blow Outlet, 20 heat exchanger, 21 aluminum fins, 22 heat transfer tubes, 23 heat transfer tube storage, 24 piping, 30 air channel outside chamber, 31 air channel, 40 filter storage, 41 filter storage case, 42 filter, 43 vent 44 vents, 100 indoor units, 101 indoor units.

Claims (2)

  1.  上部に第一吸込口を有し、下部に第一吹出口を有するケーシングと、
     前記ケーシングの内部における前記第一吸込口の下流側に設けられ、上部に第二吸込口を有する送風装置と、
     前記ケーシングの内部における前記送風装置の下流側に設けられ、複数のフィンと複数の伝熱管とを有する熱交換器と、
     前記ケーシングの内部における前記熱交換器の側方に設けられた風路外室と、
     前記風路外室に設けられ、前記伝熱管の一方の端部を収納した伝熱管収納部と、
     前記風路外室に設けられ、制御装置を収納した電気品箱と、を備え、
     前記第一吸込口と前記第二吸込口との間と、前記風路外室とを連通する風路を有する
     空気調和機の室内機。
    A casing having a first inlet at the top and a first outlet at the bottom;
    A blower provided on the downstream side of the first suction port in the casing, and having a second suction port at the top;
    A heat exchanger provided on the downstream side of the blower in the casing and having a plurality of fins and a plurality of heat transfer tubes;
    An air passage outer chamber provided on the side of the heat exchanger in the casing;
    A heat transfer tube storage portion provided in the air passage outer chamber and storing one end of the heat transfer tube;
    An electrical component box provided in the air channel outer chamber and containing a control device,
    An air conditioner indoor unit having an air passage that communicates between the first air inlet and the second air inlet and the air passage outer chamber.
  2.  前記第一吸込口と前記第二吸込口との間に、フィルタを収納したフィルタ収納部を備え、
     前記フィルタ収納部の側部に前記風路を有する
     請求項1に記載の空気調和機の室内機。
    Between the first suction port and the second suction port, provided with a filter storage portion storing a filter,
    The indoor unit of the air conditioner according to claim 1, wherein the air passage is provided on a side portion of the filter storage unit.
PCT/JP2015/071699 2015-07-30 2015-07-30 Indoor unit of air conditioners WO2017017851A1 (en)

Priority Applications (3)

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JP2017530577A JP6385582B2 (en) 2015-07-30 2015-07-30 Air conditioner indoor unit
PCT/JP2015/071699 WO2017017851A1 (en) 2015-07-30 2015-07-30 Indoor unit of air conditioners
CN201590001145.1U CN206890670U (en) 2015-07-30 2015-07-30 The indoor set of air conditioner

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PCT/JP2015/071699 WO2017017851A1 (en) 2015-07-30 2015-07-30 Indoor unit of air conditioners

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JP6940453B2 (en) * 2018-05-10 2021-09-29 株式会社ヴァレオジャパン Blower with filter

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JP6385582B2 (en) 2018-09-05
CN206890670U (en) 2018-01-16

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