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CN111197818B - Air conditioner outdoor unit and central air conditioner - Google Patents

Air conditioner outdoor unit and central air conditioner Download PDF

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Publication number
CN111197818B
CN111197818B CN201811378967.8A CN201811378967A CN111197818B CN 111197818 B CN111197818 B CN 111197818B CN 201811378967 A CN201811378967 A CN 201811378967A CN 111197818 B CN111197818 B CN 111197818B
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Prior art keywords
fan
air
outdoor unit
heat exchanger
air duct
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CN111197818A (en
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苏运宇
黄春
任小辉
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Priority to CN201811378967.8A priority Critical patent/CN111197818B/en
Publication of CN111197818A publication Critical patent/CN111197818A/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
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/08Compressors specially adapted for separate outdoor units
    • F24F1/12Vibration or noise prevention thereof
    • 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
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40Vibration or noise prevention at outdoor units
    • 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
    • F24F13/24Means for preventing or suppressing noise

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

本发明提供一种空调室外机及中央空调,包括换热器、第一风机以及第二风机;第一风机和第二风机沿出风方向上下设置;换热器围设在第一风机和第二风机周围以形成风道;第一风机和第二风机设置于风道内;或,第一风机设置于风道的出风口处,第二风机设置于风道内并位于第一风机的下方;采用以上技术方案,能够有效提高空调器室外机风道内风场分布均匀性,从而提高换热效率,并且可以有效提高风机系统的抗静压能力、降低电机转速和功率,节省成本;本发明提供的方案,能够有效降低风机系统和空调制冷组件的噪音,从而提高空调的体验感。

The present invention provides an air-conditioning outdoor unit and a central air-conditioning, comprising a heat exchanger, a first fan and a second fan; the first fan and the second fan are arranged up and down along the air outlet direction; the heat exchanger is arranged around the first fan and the second fan to form an air duct; the first fan and the second fan are arranged in the air duct; or, the first fan is arranged at the air outlet of the air duct, and the second fan is arranged in the air duct and is located below the first fan; the adoption of the above technical scheme can effectively improve the uniformity of wind field distribution in the air duct of the air conditioner outdoor unit, thereby improving the heat exchange efficiency, and can effectively improve the static pressure resistance of the fan system, reduce the motor speed and power, and save costs; the scheme provided by the present invention can effectively reduce the noise of the fan system and the air-conditioning refrigeration component, thereby improving the air-conditioning experience.

Description

一种空调室外机及中央空调Air conditioner outdoor unit and central air conditioner

技术领域Technical Field

本发明属于空调技术领域,具体涉及一种空调室外机及中央空调。The invention belongs to the technical field of air conditioners, and in particular relates to an air conditioner outdoor unit and a central air conditioner.

背景技术Background technique

如图1至图3所示,现有中央空调顶出风室外机,换热器一般采用风机布置于机组顶部的结构方式;当换热器高度较高时,换热器下部的进风速度会线性减小,大大影响换热效果;通常为了提高换热效率,需要通过提高电机转速来提高风量(进风速度),但是同时带来了噪音高和电机功率高等问题。As shown in Figures 1 to 3, in the existing central air-conditioning top-outlet outdoor unit, the heat exchanger generally adopts a structural method in which the fan is arranged on the top of the unit; when the height of the heat exchanger is high, the air inlet speed at the bottom of the heat exchanger will decrease linearly, greatly affecting the heat exchange effect; usually, in order to improve the heat exchange efficiency, it is necessary to increase the air volume (air inlet speed) by increasing the motor speed, but at the same time it brings problems such as high noise and high motor power.

基于上述中央空调室外机中存在的技术问题,尚未有相关的解决方案;因此迫切需要寻求有效方案以解决上述问题。Based on the technical problems existing in the outdoor unit of the above-mentioned central air conditioner, there is no relevant solution yet; therefore, it is urgent to find an effective solution to solve the above-mentioned problems.

发明内容Summary of the invention

本发明的目的是针对上述技术中存在的不足之处,提出一种空调室外机及中央空调,旨在解决现有空调室外机进风速度减小的问题。The purpose of the present invention is to address the deficiencies in the above-mentioned technologies and to propose an air conditioner outdoor unit and a central air conditioner, aiming to solve the problem of reduced air intake speed of the existing air conditioner outdoor unit.

本发明提供一种空调室外机,包括换热器、第一风机以及第二风机;第一风机和第二风机沿出风方向上下设置;换热器围设在第一风机和第二风机周围以形成风道;第一风机和第二风机设置于风道内;或,第一风机设置于风道的出风口处,第二风机设置于风道内并位于第一风机的下方;采用上述方案,能够提高风道的进风和出风速度,从而提高换热效率。The present invention provides an air conditioner outdoor unit, comprising a heat exchanger, a first fan and a second fan; the first fan and the second fan are arranged up and down along the air outlet direction; the heat exchanger is arranged around the first fan and the second fan to form an air duct; the first fan and the second fan are arranged in the air duct; or, the first fan is arranged at the air outlet of the air duct, and the second fan is arranged in the air duct and is located below the first fan; adopting the above scheme, the air inlet and outlet speeds of the air duct can be increased, thereby improving the heat exchange efficiency.

进一步地,第一风机和第二风机沿风道轴向同轴设置,这样使得风机的导风效果更加好,降低噪音。Furthermore, the first fan and the second fan are coaxially arranged along the axis of the air duct, which makes the wind guiding effect of the fan better and reduces noise.

进一步地,风道的横截面为方形或圆形,以适配不同换热器的安装,同时提高出风效果。Furthermore, the cross-section of the air duct is square or circular to adapt to the installation of different heat exchangers and improve the air outlet effect.

进一步地,第一风机通过第一导流圈设置于风道的出风口处;和/或,第二风机通过第二导流圈设置于风道内;风机采用导流圈安装,不仅可以实现安装稳固,还可以实现导流的功能。Furthermore, the first fan is arranged at the air outlet of the air duct through a first guide ring; and/or, the second fan is arranged in the air duct through a second guide ring; the fan is installed with the guide ring, which can not only achieve stable installation but also realize the function of guiding air.

进一步地,还包括底部安装组件;换热器固定设置于底部安装组件上;第二风机通过支撑架设置于风道内;支撑架固定于底部安装组件上;第一风机通过导流圈设置于风道的出风口处,这样使得安装结构更加稳固。Furthermore, it also includes a bottom mounting assembly; the heat exchanger is fixedly mounted on the bottom mounting assembly; the second fan is arranged in the air duct through a support frame; the support frame is fixed on the bottom mounting assembly; the first fan is arranged at the air outlet of the air duct through a guide ring, so that the installation structure is more stable.

进一步地,还包括压缩机;压缩机设置于换热器侧边独立的腔体内;压缩机和所述换热器之间设有隔板,以此形成分隔结构。Furthermore, it also includes a compressor; the compressor is arranged in an independent cavity on the side of the heat exchanger; a partition is provided between the compressor and the heat exchanger to form a partition structure.

进一步地,隔板与换热器之间形成有夹角a,以对换热器进行通风,提高出风速度。Furthermore, an angle a is formed between the partition and the heat exchanger to ventilate the heat exchanger and increase the air outlet speed.

进一步地,隔板通过折边与换热器形成夹角a;夹角a为0°至45°。Furthermore, the partition forms an angle a with the heat exchanger through the folded edge; the angle a is 0° to 45°.

进一步地,还包括压缩机;底部安装组件包括有底盘和底梁;压缩机通过底盘设置于底梁上,并位于换热器侧边,从而更好实现空调室外机各个部件之间的安装,节约空间。Furthermore, it also includes a compressor; the bottom mounting assembly includes a chassis and a bottom beam; the compressor is arranged on the bottom beam through the chassis and is located on the side of the heat exchanger, so as to better realize the installation between the various components of the air conditioner outdoor unit and save space.

进一步地,还包括油分离器、气液分离器以及四通阀;油分离器、气液分离器以及四通阀设置于换热器侧边独立的腔体内;油分离器和气液分离器固定设置于底部安装组件上,从而更好实现空调室外机各个部件之间的安装,节约空间。Furthermore, it also includes an oil separator, a gas-liquid separator and a four-way valve; the oil separator, the gas-liquid separator and the four-way valve are arranged in independent cavities on the side of the heat exchanger; the oil separator and the gas-liquid separator are fixedly arranged on the bottom mounting assembly, so as to better realize the installation between the various components of the air-conditioning outdoor unit and save space.

本发明还提供一种中央空调,包括空调室外机,所述空调室外机为上述所述的空调室外机。The present invention also provides a central air conditioner, comprising an air conditioner outdoor unit, wherein the air conditioner outdoor unit is the air conditioner outdoor unit described above.

采用以上技术方案,能够有效提高空调器室外机风道内风场分布均匀性,从而提高换热效率,并且可以有效提高风机系统的抗静压能力、降低电机转速和功率,节省成本;本发明提供的方案,能够有效降低风机系统和空调制冷组件的噪音,从而提高空调的体验感。The adoption of the above technical scheme can effectively improve the uniformity of the wind field distribution in the air duct of the outdoor unit of the air conditioner, thereby improving the heat exchange efficiency, and can effectively improve the static pressure resistance of the fan system, reduce the motor speed and power, and save costs; the scheme provided by the present invention can effectively reduce the noise of the fan system and the air conditioning refrigeration components, thereby improving the air conditioning experience.

附图说明BRIEF DESCRIPTION OF THE DRAWINGS

下面结合附图和具体实施方式对本发明作进一步详细的说明。The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

以下将结合附图对本发明作进一步说明:The present invention will be further described below in conjunction with the accompanying drawings:

图1为现有技术空调室外机仰视图;FIG1 is a bottom view of an outdoor unit of an air conditioner in the prior art;

图2为现有技术中进风速度与换热器高度关系图;FIG2 is a graph showing the relationship between air inlet velocity and heat exchanger height in the prior art;

图3为现有技术空调室外机主视图;FIG3 is a front view of an outdoor unit of an air conditioner in the prior art;

图4为本发明一种空调室外机风道结构主视图;FIG4 is a front view of an air duct structure of an air conditioner outdoor unit according to the present invention;

图5为图4沿A-A方向剖视图;Fig. 5 is a cross-sectional view along the A-A direction of Fig. 4;

图6为本发明一种空调室外机主视图;FIG6 is a front view of an air conditioner outdoor unit of the present invention;

图7为本发明一种空调室外机仰视图;FIG7 is a bottom view of an air conditioner outdoor unit of the present invention;

图8为本发明一种空调室外机主视图;FIG8 is a front view of an air conditioner outdoor unit of the present invention;

图9为本发明一种空调室外机工作示意图;FIG9 is a schematic diagram of the operation of an outdoor unit of an air conditioner according to the present invention;

图10为本发明技术中进风速度与换热器高度关系图。FIG. 10 is a diagram showing the relationship between air inlet velocity and heat exchanger height in the technology of the present invention.

图中:1、压缩机;2、油分离器;3、气液分离器;4、四通阀;5、换热器;6、导流圈;61、第一导流圈;62、第二导流圈;63、支撑架;7、风机;71、第一风机;72、第二风机;8、隔板;9、底部安装组件;91、底盘;92、底梁;10、风机侧;20、压缩机侧。In the figure: 1. compressor; 2. oil separator; 3. gas-liquid separator; 4. four-way valve; 5. heat exchanger; 6. guide ring; 61. first guide ring; 62. second guide ring; 63. support frame; 7. fan; 71. first fan; 72. second fan; 8. partition; 9. bottom mounting assembly; 91. chassis; 92. bottom beam; 10. fan side; 20. compressor side.

具体实施方式Detailed ways

需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

如图4至图10所示,本发明提供一种空调室外机,包括换热器5和风机7;风机7包括第一风机71和第二风机72;第一风机71和第二风机72沿出风方向上下设置,具体为第一风机71和第二风机72的设置位置为顺着出风方向上下串联设置,并且第一风机71和第二风机72设置于空调器室外机一侧的风道内;换热器5为多折换热器,多折换热器围设在第一风机71和第二风机72周围以形成风道;多折换热器可以是单个换热器通过折弯形成的中空的换热器结构,或是多个换热器分别折弯形成中空换热器结构,这样使得空调室外机可以从换热器外侧向风道内进风,以实现换热过程;具体地,本实施例中,第一风机71和第二风机72均设置于风道内,并沿风道形成串联风机系统;或,第一风机71设置于风道的出风口处,第二风机72设置于风道内并位于第一风机71的下方,以形成串联风机系统;采用上述方案即使在增加换热器高度以方便形成串联风机风道的情况下,依然能够有效保证换热器进风速度,提高换热效果。As shown in FIGS. 4 to 10 , the present invention provides an air conditioner outdoor unit, comprising a heat exchanger 5 and a fan 7; the fan 7 comprises a first fan 71 and a second fan 72; the first fan 71 and the second fan 72 are arranged up and down along the air outlet direction, specifically, the first fan 71 and the second fan 72 are arranged in series up and down along the air outlet direction, and the first fan 71 and the second fan 72 are arranged in the air duct on one side of the air conditioner outdoor unit; the heat exchanger 5 is a multi-fold heat exchanger, which is arranged around the first fan 71 and the second fan 72 to form an air duct; the multi-fold heat exchanger can be a hollow heat exchanger formed by bending a single heat exchanger. Structure, or multiple heat exchangers are bent separately to form a hollow heat exchanger structure, so that the air conditioner outdoor unit can take in air from the outside of the heat exchanger into the air duct to realize the heat exchange process; specifically, in this embodiment, the first fan 71 and the second fan 72 are both arranged in the air duct, and a series fan system is formed along the air duct; or, the first fan 71 is arranged at the air outlet of the air duct, and the second fan 72 is arranged in the air duct and is located below the first fan 71 to form a series fan system; the above scheme can effectively ensure the air intake speed of the heat exchanger and improve the heat exchange effect even if the height of the heat exchanger is increased to facilitate the formation of a series fan air duct.

优选地,结合上述方案,如图4至图10所示,本实施例中,第一风机71和第二风机72沿风道轴向非同轴设置或同轴设置,均可以实现串联出风,提高出风效率和换热效果;具体地,在实际产品设计过程中,基于最佳出风效率考虑,第一风机71和第二风机72沿风道轴向同轴设置,同轴设置相比于非同轴设置具有更好的导风效果,并且不会产生扰流现象,可以有效降低噪音,提高空调的体验感。Preferably, in combination with the above scheme, as shown in Figures 4 to 10, in this embodiment, the first fan 71 and the second fan 72 are non-coaxially arranged or coaxially arranged along the axial direction of the air duct, both of which can achieve series air discharge and improve the air discharge efficiency and heat exchange effect; specifically, in the actual product design process, based on the consideration of optimal air discharge efficiency, the first fan 71 and the second fan 72 are coaxially arranged along the axial direction of the air duct. The coaxial setting has a better wind guiding effect than the non-coaxial setting, and will not cause turbulence, which can effectively reduce noise and improve the air conditioning experience.

优选地,结合上述方案,如图4至图10所示,本实施例中,基于风道出风设计考虑,换热器5通过折弯形成风道,该风道的横截面可以是方形也可以是圆形;进一步地,第一风机71通过第一导流圈61设置于风道的出风口处,该出风口可以是风道的内部出风口也可以是外部出风口;具体地,第一导流圈61可以固定设置于出风口的换热器上;和/或,第二风机72通过第二导流圈设置于风道内,以此进行导风;具体地,第一风机71通过第一导流圈61设置于风道的出风口处;第二风机72可选择通过第二导流圈设置于风道内,也可以不需要第二导流圈直接设置于风道内,当采用第二导流圈设置时,第二导流圈可以固定设置于换热器上或通过支撑架固定于空调器的底部安装组件上;当不需要第二导流圈设置时,第二风机72也可直接固定设置于风道内的换热器上。Preferably, in combination with the above scheme, as shown in Figures 4 to 10, in this embodiment, based on the design of the air duct outlet, the heat exchanger 5 is bent to form an air duct, and the cross-section of the air duct can be square or circular; further, the first fan 71 is arranged at the air outlet of the air duct through the first guide ring 61, and the air outlet can be the internal air outlet of the air duct or the external air outlet; specifically, the first guide ring 61 can be fixedly arranged on the heat exchanger at the air outlet; and/or the second fan 72 is arranged through the second guide ring Placed in the air duct to guide the air; specifically, the first fan 71 is arranged at the air outlet of the air duct through the first guide ring 61; the second fan 72 can be selectively arranged in the air duct through the second guide ring, or can be directly arranged in the air duct without the second guide ring. When the second guide ring is used, the second guide ring can be fixed on the heat exchanger or fixed to the bottom mounting component of the air conditioner through a support frame; when the second guide ring is not required, the second fan 72 can also be directly fixed on the heat exchanger in the air duct.

优选地,结合上述方案,如图4至图10所示,本实施例中,还包括底部安装组件9;换热器5一端固定设置于底部安装组件9上;第二风机72通过支撑架63设置于风道内;支撑架63固定于底部安装组件9上,以提高风机的安装稳定性;具体地,第一风机71通过导流圈设置于风道的出风口处,导流圈固定设置于空调壳体或换热器上,这样设置使得风机系统结构更加牢靠,节约安装空间。Preferably, in combination with the above scheme, as shown in Figures 4 to 10, the present embodiment further includes a bottom mounting assembly 9; one end of the heat exchanger 5 is fixedly arranged on the bottom mounting assembly 9; the second fan 72 is arranged in the air duct through the support frame 63; the support frame 63 is fixed on the bottom mounting assembly 9 to improve the installation stability of the fan; specifically, the first fan 71 is arranged at the air outlet of the air duct through a guide ring, and the guide ring is fixedly arranged on the air-conditioning housing or the heat exchanger. This arrangement makes the fan system structure more reliable and saves installation space.

优选地,结合上述方案,如图4至图10所示,本实施例中,还包括压缩机1;压缩机1设置于换热器5侧边独立的腔体内,以降低风道阻力,并且压缩机1通过隔音材料进行密封,降低噪音;压缩机1和换热器5之间设有隔板8;隔板8与换热器5之间形成有夹角a,以对换热器5侧边进行通风;具体地,隔板8通过折边与换热器5形成夹角a;夹角a可以为0°至45°,具体地,夹角a可以为45°、40°、32°、28°、24°、15°或10°;一般设计为45°,这样可以有效起到导风并且不阻碍压缩机的安装空间。Preferably, in combination with the above scheme, as shown in Figures 4 to 10, this embodiment also includes a compressor 1; the compressor 1 is arranged in an independent cavity on the side of the heat exchanger 5 to reduce the air duct resistance, and the compressor 1 is sealed by sound insulation material to reduce noise; a partition 8 is provided between the compressor 1 and the heat exchanger 5; an angle a is formed between the partition 8 and the heat exchanger 5 to ventilate the side of the heat exchanger 5; specifically, the partition 8 forms an angle a with the heat exchanger 5 through a folded edge; the angle a can be 0° to 45°, specifically, the angle a can be 45°, 40°, 32°, 28°, 24°, 15° or 10°; it is generally designed to be 45°, which can effectively guide the air and does not hinder the installation space of the compressor.

优选地,结合上述方案,如图4至图10所示,本实施例中,还包括压缩机1;底部安装组件9包括有底盘91和底梁92;底梁92上设有底板组件;换热器5通过底盘91固定设置于底梁92的底板组件上;压缩机1固定设置于底梁92的底板组件上,并位于换热器5侧边,从而实现压缩机1和风道并排设置,避免压缩机对风道导风产生影响。Preferably, in combination with the above scheme, as shown in Figures 4 to 10, this embodiment also includes a compressor 1; the bottom mounting assembly 9 includes a chassis 91 and a bottom beam 92; a bottom plate assembly is provided on the bottom beam 92; the heat exchanger 5 is fixedly arranged on the bottom plate assembly of the bottom beam 92 through the chassis 91; the compressor 1 is fixedly arranged on the bottom plate assembly of the bottom beam 92 and is located on the side of the heat exchanger 5, so that the compressor 1 and the air duct are arranged side by side to avoid the compressor affecting the air guide of the air duct.

优选地,结合上述方案,如图4至图10所示,本实施例中,还包括油分离器2、气液分离器3以及四通阀4;油分离器2、气液分离器3以及四通阀4设置于换热器5侧边独立的腔体内,以此将空调制冷系统各个部件与风机系统分隔开进行隔音,降低风道阻力、提高安装位置的利用空间;油分离器2和气液分离器3固定设置于底部安装组件9上。Preferably, in combination with the above scheme, as shown in Figures 4 to 10, the present embodiment further includes an oil separator 2, a gas-liquid separator 3 and a four-way valve 4; the oil separator 2, the gas-liquid separator 3 and the four-way valve 4 are arranged in independent cavities on the side of the heat exchanger 5, so as to separate the various components of the air-conditioning refrigeration system from the fan system for sound insulation, reduce the air duct resistance, and increase the utilization space of the installation position; the oil separator 2 and the gas-liquid separator 3 are fixedly arranged on the bottom mounting assembly 9.

相应地,结合上述方案,本发明还提供一种中央空调,包括空调室外机,所述空调室外机为上述所述的空调室外机。Correspondingly, in combination with the above scheme, the present invention also provides a central air conditioner, including an air-conditioning outdoor unit, and the air-conditioning outdoor unit is the air-conditioning outdoor unit described above.

采用以上技术方案,能够有效提高空调器室外机风道内风场分布均匀性,从而提高换热效率,并且可以有效提高风机系统的抗静压能力、降低电机转速和功率,节省成本;本发明提供的方案,能够有效降低风机系统和空调制冷组件的噪音,从而提高空调的体验感。The adoption of the above technical scheme can effectively improve the uniformity of the wind field distribution in the air duct of the outdoor unit of the air conditioner, thereby improving the heat exchange efficiency, and can effectively improve the static pressure resistance of the fan system, reduce the motor speed and power, and save costs; the scheme provided by the present invention can effectively reduce the noise of the fan system and the air conditioning refrigeration components, thereby improving the air conditioning experience.

以上所述,仅为本发明的较佳实施例,并非对本发明做任何形式上的限制。任何熟悉本领域的技术人员,在不脱离本发明技术方案范围情况下,都可利用上述所述技术内容对本发明技术方案做出许多可能的变动和修饰,或修改为等同变化的等效实施例。因此,凡是未脱离本发明技术方案的内容,依据本发明的技术对以上实施例所做的任何改动修改、等同变化及修饰,均属于本技术方案的保护范围。The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the above-mentioned technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims (11)

1. An air conditioner outdoor unit comprises a heat exchanger (5), a first fan (71) and a second fan (72); the air conditioner is characterized in that the first fan (71) and the second fan (72) are arranged up and down along the air outlet direction; the heat exchanger (5) is arranged around the first fan (71) and the second fan (72) in a surrounding mode to form an air channel; the first fan (71) and the second fan (72) are arranged in the air duct; or, the first fan is arranged at the air outlet of the air duct, and the second fan (72) is arranged in the air duct and is positioned below the first fan (71).
2. An outdoor unit of claim 1, wherein said first fan (71) and said second fan (72) are coaxially disposed along said air passage axis.
3. The outdoor unit of claim 2, wherein the air duct has a square or circular cross section.
4. The outdoor unit of claim 1, wherein the first fan (71) is disposed at an air outlet of the air duct through a first guide ring (61); and/or the second fan (72) is arranged in the air duct through a second guide ring (62).
5. An outdoor unit of an air conditioner according to claim 1, further comprising a bottom mounting assembly (9); the heat exchanger (5) is fixedly arranged on the bottom mounting assembly (9); the second fan (72) is arranged in the air duct through a support frame (63); the support frame (63) is fixed on the bottom mounting assembly (9); the first fan (71) is arranged at the air outlet of the air duct through a guide ring.
6. An outdoor unit of air-conditioner according to claim 1, further comprising a compressor (1); the compressor (1) is arranged in a cavity with the side edges of the heat exchanger (5) being independent; a partition plate (8) is arranged between the compressor (1) and the heat exchanger (5).
7. An outdoor unit according to claim 6, wherein said partition (8) forms an angle a with said heat exchanger (5) for ventilating said heat exchanger (5).
8. An outdoor unit of an air conditioner according to claim 7, wherein said partition (8) forms said angle a with said heat exchanger (5) by hemming; the included angle a is 0 to 45 degrees.
9. An outdoor unit of claim 5, further comprising a compressor (1); the bottom mounting assembly (9) comprises a chassis (91) and a bottom beam (92); the compressor (1) is arranged on the bottom beam (92) through the chassis and is positioned at the side edge of the heat exchanger (5).
10. The outdoor unit of claim 9, further comprising an oil separator (2), a gas-liquid separator (3), and a four-way valve (4); the oil separator (2), the gas-liquid separator (3) and the four-way valve (4) are arranged in independent cavities at the side edges of the heat exchanger (5); the oil separator (2) and the gas-liquid separator (3) are fixedly arranged on the bottom mounting assembly (9).
11. A central air conditioner comprising an air conditioner outdoor unit, wherein the air conditioner outdoor unit is the air conditioner outdoor unit according to any one of claims 1 to 10.
CN201811378967.8A 2018-11-19 2018-11-19 Air conditioner outdoor unit and central air conditioner Active CN111197818B (en)

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