JP2010032067A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
JP2010032067A
JP2010032067A JP2008191883A JP2008191883A JP2010032067A JP 2010032067 A JP2010032067 A JP 2010032067A JP 2008191883 A JP2008191883 A JP 2008191883A JP 2008191883 A JP2008191883 A JP 2008191883A JP 2010032067 A JP2010032067 A JP 2010032067A
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air
pair
heat exchanger
outlet
cross flow
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JP2008191883A
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JP5410047B2 (en
Inventor
Tomohiro Tabata
智大 田畑
Yasuhiro Mogi
康弘 茂木
Mayumi Saito
真由美 齋藤
Toshimitsu Nakajima
利光 中島
Seitei Ohama
靖程 大濱
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
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Priority to JP2008191883A priority Critical patent/JP5410047B2/en
Priority to EP09009564A priority patent/EP2148145B1/en
Publication of JP2010032067A publication Critical patent/JP2010032067A/en
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Publication of JP5410047B2 publication Critical patent/JP5410047B2/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
    • 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
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor

Abstract

<P>PROBLEM TO BE SOLVED: To stabilize the airflow volume and to restrain generation of noise by preventing disturbance of airflow of air heat-exchanged by a heat exchanger, and appropriately distributing the air flow volume of the air from two upper and lower outlets. <P>SOLUTION: In this air conditioner 1 comprising the heat exchanger 3, and the pair of upper and lower fans 4, 5 in the housing 2 having the inlets 8, 9, the upper outlet 10 and the lower outlet 11, exchanging heat of the air flowing into the housing 2 from the inlets 8, 9 by the heat exchanger, and supplying the air from the upper outlet 10 and the lower outlet 11 by the pair of upper and lower fans 4, 5, fan diameters of the pair of upper and lower fans 4, 5 are different from each other. A top section 17C of an air trunk guide 17 is shifted downward of a central position between a center of the upper crossflow fan 4 and a center of the lower crossflow ran 5, and is shifted to a lower side with respect to a center of the air trunk guide 17. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、吸込み口と上吹出し口及び下吹出し口を有するハウジング内に熱交換器と上下一対のファンを備え、吸込み口からハウジング内に流入した空気を熱交換器で熱交換し、上下一対のファンにより上吹出し口及び下吹出し口から吹出すようにした空気調和機に関するものである。   The present invention includes a heat exchanger and a pair of upper and lower fans in a housing having a suction port, an upper blowout port, and a lower blowout port, and heat exchange of the air flowing into the housing from the suction port by the heat exchanger. It is related with the air conditioner made to blow out from an upper blower outlet and a lower blower outlet.

従来のこの種の空気調和機では、ハウジング内に上下一対のファンを設けることにより、吸込み口からハウジング内に流入し、熱交換器で熱交換した空気を上吹出し口及び下吹出し口の双方から吹出したり、いずれか一方の吹出し口から吹出したりして、複数の気流制御ができるようにしている（特許文献１参照）。
特開昭６１−５９１４５号公報 In this type of conventional air conditioner, by providing a pair of upper and lower fans in the housing, the air that flows into the housing from the suction port and heat-exchanged by the heat exchanger is received from both the upper outlet port and the lower outlet port. A plurality of air currents can be controlled by blowing or blowing from any one of the outlets (see Patent Document 1).
JP-A-61-59145

しかし、上述した空気調和機では、熱交換器で熱交換された空気を上下一対のファンが引っ張り合って気流が乱れ、上下２つの吹出し口からの風量が安定しないばかりでなく、ハウジング内での気流の乱れによる騒音が大きくなる問題があった。   However, in the above-described air conditioner, not only does the pair of upper and lower fans pull the air heat-exchanged by the heat exchanger to disturb the air flow, the air volume from the upper and lower two outlets is not stable, There was a problem that the noise due to the turbulence of the air flow increased.

そこで本発明は、熱交換器で熱交換された空気の気流の乱れ防止して、上下２つの吹出し口からの空気の風量が適度に分配されて風量の安定化を図り、騒音の発生を抑制することを目的とする。   Therefore, the present invention prevents the turbulence of the airflow of the heat exchanged by the heat exchanger, stabilizes the airflow by appropriately distributing the airflow from the two upper and lower outlets, and suppresses the generation of noise. The purpose is to do.

このため第１の発明は、吸込み口と上吹出し口及び下吹出し口を有するハウジング内に熱交換器と上下一対のクロスフローファンを備え、吸込み口からハウジング内に流入した空気を熱交換器で熱交換し、上下一対のクロスフローファンにより上吹出し口及び下吹出し口から吹出すようにした空気調和機において、前記上下一対のクロスフローファンの間に前記熱交換器からの空気を前記上下一対のクロスフローファンに案内する断面く字状の風路ガイドを設け、この風路ガイドの折曲頂部を前記上下一対のクロスフローファン間の中心より下側にずらしたことを特徴とする。   For this reason, the first invention is provided with a heat exchanger and a pair of upper and lower cross flow fans in a housing having a suction port, an upper blowout port, and a lower blowout port, and the air flowing into the housing from the suction port is a heat exchanger. In the air conditioner that performs heat exchange and blows out from the upper blowout port and the lower blowout port by a pair of upper and lower cross flow fans, air from the heat exchanger is passed between the pair of upper and lower cross flow fans. An air passage guide having a square cross section for guiding the cross flow fan is provided, and a bent top portion of the air passage guide is shifted downward from the center between the pair of upper and lower cross flow fans.

また第２の発明は、吸込み口と上吹出し口及び下吹出し口を有するハウジング内に熱交換器と上下一対のクロスフローファンを備え、吸込み口からハウジング内に流入した空気を熱交換器で熱交換し、上下一対のクロスフローファンにより上吹出し口及び下吹出し口から吹出すようにした空気調和機において、上側のクロスフローファンのファン径を下側のクロスフローファンのファン径より大きく設定するとともに、上下一対のクロスフローファンの間に前記熱交換器からの空気を前記上下一対のクロスフローファンに案内する断面く字状の風路ガイドを設け、この風路ガイドの折曲頂部を前記上下一対のクロスフローファン中心間の中心より下側にずらしたことを特徴とする。   Further, the second invention includes a heat exchanger and a pair of upper and lower cross flow fans in a housing having a suction port, an upper blowout port, and a lower blowout port, and heats the air flowing into the housing from the suction port by the heat exchanger. In an air conditioner that is exchanged and blows out from the upper and lower outlets by a pair of upper and lower crossflow fans, the fan diameter of the upper crossflow fan is set larger than the fan diameter of the lower crossflow fan. In addition, an air path guide having a cross-sectional shape that guides air from the heat exchanger to the pair of upper and lower cross flow fans is provided between the pair of upper and lower cross flow fans. The center of the pair of upper and lower cross flow fans is shifted downward from the center.

また第３の発明は、第１又は第２の発明の空気調和機において、前記風路ガイドの折曲頂部より上の長辺部の延長線よりも前記熱交換器の下後端が前方に位置するようにしたことを特徴とする。   Moreover, 3rd invention is the air conditioner of 1st or 2nd invention, The lower rear end of the said heat exchanger is ahead of the extended line of the long side part above the bending top part of the said air path guide. It is characterized by being located.

第１及び第２の発明によれば、熱交換器で熱交換された空気の気流の乱れを防止して、上下２つの吹出し口からの空気の風量が適度に分配されて風量の安定化を図ることができ、騒音の発生を抑制することができる。更には、第３の発明によれば、前記風路ガイドの折曲頂部より上の長辺部の延長線よりも前記熱交換器の下後端が前方に位置するようにしたので、下側のファンを停止して上吹出し口のみから熱交換後の空気を吹出す場合でも、熱交換器全面に空気が通過できるようにして効率の良い空調運転を行なうことができる。   According to the first and second aspects of the present invention, the airflow from the air exchanged by the heat exchanger is prevented from being disturbed, and the airflow from the two upper and lower outlets is appropriately distributed to stabilize the airflow. It is possible to suppress the generation of noise. Further, according to the third invention, the lower rear end of the heat exchanger is positioned forward of the extended line of the long side portion above the bent top portion of the air passage guide. Even when the fan is stopped and the air after heat exchange is blown out only from the upper outlet, the air conditioning operation can be performed efficiently by allowing the air to pass through the entire surface of the heat exchanger.

以下、本発明を実施するための最良の形態について、図１乃至図３を参照しながら説明する。１は熱源機となる室外機（図示せず）とともに空気調和機を構成する床置き式の室内機であり、ハウジング２内に熱交換器３と上下一対のクロスフローファン４、５が設けられている。上側クロスフローファン４のファン径（直径）を１００ｍｍとし、下側クロスフローファン５のファン径（直径）を９２ｍｍとし、上側クロスフローファン４のファン径を下側クロスフローファン５のファン径よりも大きくしてある。   Hereinafter, the best mode for carrying out the present invention will be described with reference to FIGS. Reference numeral 1 denotes a floor-standing indoor unit that constitutes an air conditioner together with an outdoor unit (not shown) serving as a heat source unit. A heat exchanger 3 and a pair of upper and lower cross flow fans 4 and 5 are provided in a housing 2. ing. The fan diameter (diameter) of the upper crossflow fan 4 is 100 mm, the fan diameter (diameter) of the lower crossflow fan 5 is 92 mm, and the fan diameter of the upper crossflow fan 4 is smaller than the fan diameter of the lower crossflow fan 5. Is also larger.

ハウジング２は前面パネル６と本体ケーシング７とからなり、前面パネル６には前面吸込み口８と側面吸込み口９と上吹出し口１０と下吹出し口１１とが設けられ、上吹出し口１０には運転時に開放する上吹出しフラップ１２が設けられている。また、熱交換器３の前面には空気清浄フィルター１３付きのエアフィルター１４が着脱自在に設置され、熱交換器３の下方にはドレンパン１５が設けられている。   The housing 2 is composed of a front panel 6 and a main casing 7. The front panel 6 is provided with a front inlet 8, a side inlet 9, an upper outlet 10, and a lower outlet 11. An upper blowout flap 12 is provided which is sometimes opened. An air filter 14 with an air purifying filter 13 is detachably installed on the front surface of the heat exchanger 3, and a drain pan 15 is provided below the heat exchanger 3.

本体ケーシング７の後部には断熱材１６が取付けられ、この断熱材１６の内側には上下一対のクロスフローファン４、５の間に位置する断面がく字状の風路ガイド１７と、この風路ガイド１７の上方に連なって所定間隔を存して上側クロスフローファン４を覆う上側ファンケース１８と、前記風路ガイド１７の下方に連なって所定間隔を存して下側クロスフローファン５を覆う下側ファンケース１９とが配設される。   A heat insulating material 16 is attached to the rear portion of the main body casing 7, and an air path guide 17 having a square cross section located between the pair of upper and lower cross flow fans 4, 5 and the air path inside the heat insulating material 16. An upper fan case 18 that extends above the guide 17 and covers the upper cross flow fan 4 with a predetermined interval and a lower space that extends below the air guide 17 and covers the lower cross flow fan 5 with a predetermined interval. A lower fan case 19 is disposed.

また、上側クロスフローファン４と上吹出し口１０との間には上側吹出し通路２０が形成され、下側クロスフローファン５と下吹出し口１１との間には下側吹出し通路２１が形成され、下側吹出し通路２１には開閉自在なシャッター装置２２が設けられている。   Further, an upper outlet passage 20 is formed between the upper cross flow fan 4 and the upper outlet 10, and a lower outlet passage 21 is formed between the lower cross flow fan 5 and the lower outlet 11, The lower outlet passage 21 is provided with a shutter device 22 that can be freely opened and closed.

風路ガイド１７は、上側の前下方へ延びた長辺部１７Ａと、この長辺部１７Ａから折曲されて下側の後下方へ延びた短辺部１７Ｂとから構成される。そして、風路ガイド１７の折曲位置である頂部１７Ｃが上下の中心位置よりも下側にずらした位置にくるようにしてあり、即ち長辺部１７Ａが短辺部１７Ｂより長く、頂部１７Ｃは上側クロスフローファン４の中心と下側クロスフローファン５の中心との間の中心位置より下方に位置しており、しかも一点鎖線で示す長辺部１７Ａの延長線よりも熱交換器３の下後端が左方（前方）に位置するようにしてあり、上側クロスフローファン４のみの運転時に熱交換器３を経た熱交換後の空気をそっくり取り込んで室内へ供給できるように構成される。   The air guide 17 includes a long side portion 17A that extends upward and downward on the upper side, and a short side portion 17B that is bent from the long side portion 17A and extends downward and downward on the lower side. And the top part 17C which is a bending position of the air path guide 17 is made to come to the position shifted below the upper and lower center position, that is, the long side part 17A is longer than the short side part 17B, and the top part 17C is It is located below the center position between the center of the upper cross flow fan 4 and the center of the lower cross flow fan 5, and is below the heat exchanger 3 from the extended line of the long side portion 17A indicated by the alternate long and short dash line. The rear end is positioned to the left (front), and is configured so that the air after heat exchange that has passed through the heat exchanger 3 can be taken in and supplied indoors when only the upper crossflow fan 4 is operated.

このように構成された空気調和機の室内機１では、冷房運転時に熱交換器３が蒸発器として作用し、通常は上下一対のクロスフローファン４、５が運転する。すると、室内空気が前面吸込み口８と側面吸込み口９からハウジング２内に流入し、エアフィルター１４で除塵された後、熱交換器３で冷却され、冷気になる。そして、風路ガイド１７にて上下に分流してクロスフローファン４、５に導かれ、上側吹出し通路２０及び下側吹出し通路２１を通って上吹出し口１０及び下吹出し口１１からそれぞれ室内へと吹出される。   In the indoor unit 1 of the air conditioner configured as described above, the heat exchanger 3 acts as an evaporator during cooling operation, and usually a pair of upper and lower cross flow fans 4 and 5 are operated. Then, indoor air flows into the housing 2 from the front suction port 8 and the side suction port 9 and is removed by the air filter 14 and then cooled by the heat exchanger 3 to become cool air. Then, the airflow is guided to the crossflow fans 4 and 5 by being divided up and down by the air passage guide 17 and passes through the upper outlet passage 20 and the lower outlet passage 21 from the upper outlet 10 and the lower outlet 11 to the room. Be blown out.

上側クロスフローファン４のファン径を下側クロスフローファン５のファン径よりも大きくしてあるので、熱交換器３を通過した冷気が２つのクロスフローファン４、５によって引っ張り合う度合いが少なくなり、主に上側クロスフローファン４によって上吹出し口１０から室内に流出するため、冷気を多量に室内の上方に導き、室内を効率よく冷房することかできるとともに、ハウジング２内部の気流が安定し、騒音の発生を抑制することができる。また、下側クロスフローファン５による下吹出し口１１からの吹出し風量は少なくなるが、下吹出し口１１を小さめにしておくことにより、風速を確保することができ、体感的には下吹出し口１１からの風量の減少を感じないようにできる。   Since the fan diameter of the upper cross flow fan 4 is larger than the fan diameter of the lower cross flow fan 5, the degree of the cold air that has passed through the heat exchanger 3 is pulled by the two cross flow fans 4 and 5 is reduced. Since the upper cross flow fan 4 mainly flows out into the room from the upper outlet 10, a large amount of cool air can be led upward in the room to efficiently cool the room, and the air flow inside the housing 2 is stabilized. Generation of noise can be suppressed. In addition, although the amount of air blown from the lower air outlet 11 by the lower cross flow fan 5 is reduced, by keeping the lower air outlet 11 small, the wind speed can be secured, and the lower air outlet 11 is experienced. It is possible to avoid feeling a decrease in the air volume from.

しかも、風路ガイド１７の頂部１７Ｃを上側クロスフローファン４の中心と下側クロスフローファン５の中心との間の中心位置より下方にずらして、風路ガイド１７の中心より下側にずらしたので、熱交換器３からの冷気を上下の吹出し口１０、１１の吹出し風量に合せて適度に分配し、熱交換器３を通過した冷気を上側クロスフローファン４にスムーズに多く流入させることができる。   Moreover, the top portion 17C of the air passage guide 17 is shifted downward from the center position between the center of the upper cross flow fan 4 and the center of the lower cross flow fan 5, and is shifted downward from the center of the air passage guide 17. Therefore, the cool air from the heat exchanger 3 can be appropriately distributed according to the blown air volume of the upper and lower air outlets 10 and 11, and the cool air that has passed through the heat exchanger 3 can be smoothly flown into the upper crossflow fan 4. it can.

使用者が上吹き出し口１０のみからの冷風吹出しを選択した場合、下側クロスフローファン５が停止し、図３の一点鎖線で示すように、下側吹出し通路２１がシャッター装置２２によって閉鎖される。このとき、一点鎖線で示す長辺部１７Ａの延長線よりも熱交換器３の下後端が左方（前方）に位置するようにしているので、上吹出し口１０のみから冷気を室内へ吹出す場合でも、熱交換器３全面に空気が通過するようにして熱交換器３を経た熱交換後の空気をそっくり取り込んで吹出すことができ、効率の良い冷房運転を行なうことができ、シャッター装置２２によって下吹出し口１１からの冷気漏れをなくし、一層効果的な冷房運転を行なうことができる。   When the user selects cold air blowing from only the upper air outlet 10, the lower cross flow fan 5 stops and the lower air outlet passage 21 is closed by the shutter device 22 as indicated by the one-dot chain line in FIG. 3. . At this time, since the lower rear end of the heat exchanger 3 is located on the left (front side) with respect to the extended line of the long side portion 17A indicated by the alternate long and short dash line, the cool air is blown into the room only from the upper outlet 10. Even when the air is taken out, the air after passing through the heat exchanger 3 can be taken in and blown out so that the air passes through the entire surface of the heat exchanger 3, and an efficient cooling operation can be performed. The device 22 eliminates cold air leakage from the lower outlet 11 and can perform more effective cooling operation.

しかも、熱交換器３には室内機と室外機とを接続する冷媒配管が取り付けられているが、ファン径の小さなクロスフローファン５の後方のスペースＳを前記冷媒配管の収納スペース等に有効に活用することができる。   Moreover, the heat exchanger 3 is provided with a refrigerant pipe that connects the indoor unit and the outdoor unit, but the space S behind the cross-flow fan 5 having a small fan diameter is effectively used as a storage space for the refrigerant pipe. Can be used.

以上本発明の実施態様について説明したが、上述の説明に基づいて当業者にとって種々の代替例、修正又は変形が可能であり、本発明はその趣旨を逸脱しない範囲で前述の種々の代替例、修正又は変形を包含するものである。   Although the embodiments of the present invention have been described above, various alternatives, modifications, and variations can be made by those skilled in the art based on the above description, and the present invention is not limited to the various alternatives described above without departing from the spirit of the present invention. It includes modifications or variations.

空気調和機の縦断面図である。It is a longitudinal cross-sectional view of an air conditioner. 同じく斜視図である。It is a perspective view similarly. 図１の要部拡大断面図である。It is a principal part expanded sectional view of FIG.

符号の説明Explanation of symbols

１ 室内機（空気調和機）
２ ハウジング
３ 熱交換器
４ 上側クロスフローファン
５ 下側クロスフローファン
８、９ 吸込み口
１０ 上吹出し口
１１ 下吹出し口
１７ 風路ガイド
１７Ａ 長辺部
１７Ｃ 頂部
２２ シャッター装置 1 Indoor unit (air conditioner)
2 Housing 3 Heat Exchanger 4 Upper Cross Flow Fan 5 Lower Cross Flow Fan 8, 9 Suction Port 10 Upper Outlet Port 11 Lower Outlet Port 17 Airway Guide 17A Long Side 17C Top 22 Shutter Device

Claims (3)

吸込み口と上吹出し口及び下吹出し口を有するハウジング内に熱交換器と上下一対のクロスフローファンを備え、吸込み口からハウジング内に流入した空気を熱交換器で熱交換し、上下一対のクロスフローファンにより上吹出し口及び下吹出し口から吹出すようにした空気調和機において、前記上下一対のクロスフローファンの間に前記熱交換器からの空気を前記上下一対のクロスフローファンに案内する断面く字状の風路ガイドを設け、この風路ガイドの折曲頂部を前記上下一対のクロスフローファン間の中心より下側にずらしたことを特徴とする空気調和機。   A heat exchanger and a pair of upper and lower cross flow fans are provided in a housing having an inlet, an upper outlet, and a lower outlet, and the air flowing into the housing from the inlet is heat-exchanged by the heat exchanger, and a pair of upper and lower cross In an air conditioner that is blown out from an upper outlet and a lower outlet by a flow fan, a cross section that guides air from the heat exchanger to the pair of upper and lower cross flow fans between the pair of upper and lower cross flow fans An air conditioner provided with a square-shaped air passage guide, wherein the bent top portion of the air passage guide is shifted downward from the center between the pair of upper and lower cross flow fans. 吸込み口と上吹出し口及び下吹出し口を有するハウジング内に熱交換器と上下一対のクロスフローファンを備え、吸込み口からハウジング内に流入した空気を熱交換器で熱交換し、上下一対のクロスフローファンにより上吹出し口及び下吹出し口から吹出すようにした空気調和機において、上側のクロスフローファンのファン径を下側のクロスフローファンのファン径より大きく設定するとともに、上下一対のクロスフローファンの間に前記熱交換器からの空気を前記上下一対のクロスフローファンに案内する断面く字状の風路ガイドを設け、この風路ガイドの折曲頂部を前記上下一対のクロスフローファン中心間の中心より下側にずらしたことを特徴とする空気調和機。   A heat exchanger and a pair of upper and lower cross flow fans are provided in a housing having an inlet, an upper outlet, and a lower outlet, and the air flowing into the housing from the inlet is heat-exchanged by the heat exchanger, and a pair of upper and lower cross In an air conditioner that is blown from the upper and lower outlets by a flow fan, the fan diameter of the upper cross flow fan is set larger than the fan diameter of the lower cross flow fan, and a pair of upper and lower cross flows An air path guide having a square cross section for guiding air from the heat exchanger to the pair of upper and lower cross flow fans is provided between the fans, and the bent top portion of the air path guide is the center of the pair of upper and lower cross flow fans. An air conditioner characterized by being shifted from the center to the lower side. 前記風路ガイドの折曲頂部より上の長辺部の延長線よりも前記熱交換器の下後端が前方に位置するようにしたことを特徴とする請求項１又は請求項２に記載の空気調和機。   The lower rear end of the heat exchanger is positioned forward of the extended line of the long side above the bent top of the air path guide. Air conditioner.
JP2008191883A 2008-07-25 2008-07-25 Air conditioner Expired - Fee Related JP5410047B2 (en)

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CN110594862A (en) * 2019-09-20 2019-12-20 珠海格力电器股份有限公司 Indoor unit, air conditioner and air conditioner control method
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CN111623415A (en) * 2020-04-29 2020-09-04 海信（山东）空调有限公司 Air conditioner

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CN111623415A (en) * 2020-04-29 2020-09-04 海信（山东）空调有限公司 Air conditioner

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