US20160305454A1 - Air outlet protection structure, outdoor unit of air conditioner and method for designing air outlet protection structure - Google Patents

Air outlet protection structure, outdoor unit of air conditioner and method for designing air outlet protection structure Download PDF

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Publication number
US20160305454A1
US20160305454A1 US15/101,618 US201415101618A US2016305454A1 US 20160305454 A1 US20160305454 A1 US 20160305454A1 US 201415101618 A US201415101618 A US 201415101618A US 2016305454 A1 US2016305454 A1 US 2016305454A1
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US
United States
Prior art keywords
air outlet
protection structure
circular disk
outlet protection
central circular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US15/101,618
Other languages
English (en)
Inventor
Zhiqiang Gao
Jun Xiong
Xu Gao
Zhiwei Chen
Han Liu
Shengxiong YANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Assigned to GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI reassignment GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHEN, ZHIWEI, GAO, XU, GAO, ZHIQIANG, LIU, HAN, XIONG, JUN, YANG, Shengxiong
Publication of US20160305454A1 publication Critical patent/US20160305454A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • F04D29/544—Blade shapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/40—Vibration or noise prevention at outdoor units
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/082—Grilles, registers or guards
    • F24F2013/088—Air-flow straightener

Definitions

  • the invention relates to the technical field of air conditioners, and in particular to an air outlet protection structure, an outdoor unit of an air conditioner and a method for designing an air outlet protection structure.
  • an air duct system In order to improve the heat exchange effect of a heat exchanger of an outdoor unit of an air conditioner, an air duct system will be designed in front of the heat exchanger generally. By means of forced convection, the heat exchange amount of the system is improved.
  • a majority of fan systems of conventional outdoor units adopt axial flow fans which have the advantages of large air volume, low power consumption and the like and are widely applied to the industry of air conditioners.
  • a protection grid structure will be mounted at an air outlet of each fan system.
  • the resistance of an air duct will be increased so as to bring negative effects to the system. For example, generally, the air volume will be reduced, and the noise will be increased, thereby reducing the overall performance of the fan system.
  • the conventional protection structure only satisfies electrical safety standards and structural strength generally, and a basic structural form adopts crisscrossed ribs.
  • the overall effects of the protection structure on the fan system are not much considered, that is, a flow field of an air duct is not considered, thereby reducing the performance of the fan system.
  • mould drawing is performed only in an axial direction (identical to a mould stripping direction) of a fan blade.
  • a crisscrossed Chinese character “ ”-shaped structure is adopted, and mould drawing is performed on an upper end and a lower end.
  • angles of ribs at a windward opening are changed into acute angles, thereby reducing the air resistance.
  • angles of radial ribs in the axial direction are changed into acute angles, thereby reducing the air resistance and increasing the air output volume.
  • the analysis of the conventional patent is established on the basis of qualitative analysis, and actual distribution of a flow field inside a fan is not monitored, so that the air outlet protection structure of the entire outdoor unit of the air conditioner is high in resistance and high in noise, and the performance of the fan system cannot be optimized.
  • the invention aims to provide an air outlet protection structure, an outdoor unit of an air conditioner and a method for designing an air outlet protection structure, which are intended to solve the problems in the conventional art that the outdoor unit of the air conditioner is high in resistance and high in noise.
  • an air outlet protection structure which may comprise: a central circular disk; and a radiating rib, extending from an outer edge of the central circular disk to a direction away from the central circular disk.
  • An included angle between a first side surface of the radiating rib and a central axis of the central circular disk is a
  • Vr Vz 2 ⁇ ⁇ ⁇ ⁇ fl Vz ,
  • V r is a flowing velocity of an airflow in a rotation direction of a blade
  • V z is a flowing velocity of the airflow in an axial direction of a blade shaft
  • l is a distance from a point on the first side surface of the radiating rib to the central axis of the central circular disk
  • f is a rotation frequency of the blade shaft.
  • projections of the radiating ribs on a horizontal plane may be cambered.
  • the air outlet protection structure further comprises: a plurality of circumferential ribs, an interval between every two adjacent circumferential ribs being increased gradually in the direction away from the central circular disk, and the circumferential ribs and the radiating ribs being intersected to form a net structure.
  • a protrusion provided in a length direction of the radiating rib may be provided on a side, opposite to the first side surface, of the radiating rib, a protrusion direction of the protrusion is opposite to a flowing direction of the airflow, and the thickness of the radiating rib is decreased gradually in a width direction of the radiating rib from the top of the corresponding protrusion.
  • an outdoor unit of an air conditioner which comprises a fan.
  • the fan comprises an air outlet protection structure which refers to an above-mentioned air outlet protection structure.
  • the air outlet protection structure comprises a central circular disk and a radiating rib extending from an outer edge of the central circular disk to a direction away from the central circular disk.
  • An included angle a between a first side surface of the radiating rib and a central axis of the central circular disk is determined by a formula
  • Vr Vz 2 ⁇ ⁇ ⁇ ⁇ fl Vz ,
  • V r is a flowing velocity of an airflow in a rotation direction of a blade
  • V z is a flowing velocity of the airflow in an axial direction of a blade shaft
  • l is a distance from a point on the first side surface of the radiating rib to the central axis of the central circular disk
  • f is a rotation frequency of the blade shaft.
  • the method further comprises that: a plurality of circumferential ribs are provided at the periphery of the central circular disk, such that an interval between every two adjacent circumferential ribs is increased gradually, and the circumferential ribs and the radiating ribs are intersected to form a net structure.
  • a protrusion disposed in a length direction of the radiating rib may be provided on a side, opposite to the first side surface, of the radiating rib, a protrusion direction of the protrusion may be opposite to a flowing direction of the airflow, and the thickness of the radiating rib may be decreased gradually in a width direction of the radiating rib from the top of the corresponding protrusion.
  • the air outlet protection structure comprises the central circular disk and the radiating rib, the radiating rib extend from the outer edge of the central circular disk to the direction away from the central circular disk, the included angle between the first side surface of the radiating rib and the central axis of the central circular disk is a,
  • Vr Vz 2 ⁇ ⁇ ⁇ ⁇ fl Vz ,
  • the air outlet protection structure is determined according to the characteristics of a flow field of an air duct, and can reduce the hindering effect of an air outlet protection apparatus on a fluid as far as possible, thereby improving the air output volume of a fan and reducing the noise of the entire outdoor unit of the air conditioner.
  • FIG. 1 schematically shows a top view of an air outlet protection structure in the invention
  • FIG. 3 schematically shows a first part section view of an air outlet protection structure in the invention
  • FIG. 4 schematically shows a velocity diagram of a fluid
  • FIG. 5 schematically shows a second part section view of an air outlet protection structure in the invention
  • FIG. 6 schematically shows a front view of a fan when an air outlet protection structure is not provided in the invention.
  • FIG. 7 schematically shows a section view of an outdoor unit of an air conditioner in the invention.
  • an air outlet protection structure which comprises a central circular disk 10 and a radiating rib 20 .
  • the radiating rib 20 extend from an outer edge of the central circular disk 10 to a direction away from the central circular disk 10 .
  • An included angle between a first side surface 21 of the radiating rib 20 and a central axis of the central circular disk 10 is a,
  • Vr Vz 2 ⁇ ⁇ ⁇ ⁇ fl Vz ,
  • V r is a flowing velocity of an airflow in a rotation direction of a blade 40
  • V z is a flowing velocity of the airflow in an axial direction of a blade shaft
  • l is a distance from a point on the first side surface 21 of the radiating rib 20 to the central axis of the central circular disk 10
  • f is a rotation frequency of the blade shaft.
  • a fan protected by the air outlet protection structure is an axial flow fan generally, the axial flow fan adopts a propeller-type axial flow blade, the rotation of the blade 40 acts on the airflow to blow the airflow out, and an actual flowing velocity of the airflow can be divided into the flowing velocity V r of the airflow in the rotation direction of the blade 40 under the rotation of the blade 40 and the flowing velocity V z of the airflow in the axial direction of the blade shaft.
  • a distribution rule of the rotation velocity of the blade 40 is as follows:
  • Vr 2 ⁇ fl′
  • V r is the flowing velocity of the airflow in the rotation direction of the blade 40
  • l′ is a distance from a point on the blade 40 to a central axis of the blade shaft
  • f is the rotation frequency of the blade shaft
  • an actual air outlet angle of a fluid can be defined as
  • the size of the air outlet angle of the fluid is in direct proportion to the distance from the point on the blade 40 to the blade shaft.
  • l′ is equal to l, and the distribution situation of flowing of the fluid on the air outlet protection structure is consistent with that of flowing of the fluid on the blade 40 .
  • the included angle a between the first side surface 21 of each radiating rib 20 and the central axis of the central circular disk 10 is equal to the actual air outlet angle a′ of the fluid, when the fluid flows through the air outlet protection structure, the hindering effect of the air outlet protection apparatus on the fluid can be reduced as far as possible, thereby improving the air output volume of the fan and reducing the noise of the entire fan.
  • the embodiment there are a plurality of radiating ribs 20 which are uniformly arranged along the periphery of the central circular disk 10 .
  • the air outlet area of the fluid is large.
  • the air outlet area between every two adjacent radiating ribs 20 is increased gradually.
  • each first side surface 21 in the embodiment is a side surface, forming a flowing channel of the fluid, of the corresponding radiating rib 20 .
  • the radiating ribs 20 are arranged along the periphery of the central circular disk 10 by means of a cambered structure.
  • the arrangement mode of the radiating ribs 20 is consistent with an air outlet mode of an air duct, and therefore the resistance of the air outlet protection structure to air flowing out of an air outlet mechanism can be further reduced, thereby reducing the noise of the entire air outlet structure.
  • the air outlet protection structure further comprises a plurality of circumferential ribs 30 , an interval between every two adjacent circumferential ribs 30 is increased gradually in the direction away from the central circular disk 10 , and the circumferential ribs 30 and the radiating ribs 20 are intersected to form a net structure.
  • the air outlet structure such as the blade of the fan is protected from being damaged by the outside, thereby reducing potential safety hazards of the air outlet structure in a running process.
  • the interval between every two adjacent circumferential ribs 30 is increased gradually, and is consistent with the air force distribution of air output from the fan, so that the noise can be well reduced.
  • the circumferential ribs 30 have an annular structure, a central axis of the annular structure is overlapped with that of the central circular disk 10 , and radiuses of the circumferential ribs 30 are uniformly increased in the direction away from the central circular disk 10 , thereby enhancing the strength of the entire air outlet protection structure as shown in FIG. 1 .
  • a protrusion 22 in a length direction of each radiating rib 20 is provided on a side, opposite to the first side surface 21 , of the radiating rib 20 , a protrusion direction of each protrusion 22 is opposite to a flowing direction of the airflow, and the thickness of each radiating rib 20 is decreased gradually in a width direction of the radiating rib 20 from the top of the corresponding protrusion 22 .
  • each protrusion 22 is provided on the side opposite to the corresponding first side surface 21 .
  • each protrusion 22 By means of each protrusion 22 , the middle of the corresponding radiating rib 20 can be thick while the edge can be thin, so that the strength of each radiating rib 20 is ensured, the windward side of the radiating rib 20 can be reduced, and the hindering effect of the radiating rib 20 on the fluid is reduced as far as possible.
  • the arrangement mode of the protrusions 22 is shown in FIG. 3 .
  • the air outlet protection structure according to the embodiment further comprises a mounting portion 80 , and the mounting portion 80 is provided at the outer edge of the air outlet protection structure and is configured to mount the outlet protection structure on a protected structure.
  • the mounting portion 80 is a hook fixedly provided at the outer edge of the outlet protection structure.
  • an arrow in FIG. 6 represents the rotation direction of the fan, and a clamping groove (unmarked in FIG. 6 ) matched with the hook is disposed on the fan 100 .
  • an outdoor unit of an air conditioner which comprises a fan 100 and a heat exchanger 60 .
  • the fan 100 comprises a flow guiding ring 70 provided therein and a motor 50 driving a blade shaft to rotate.
  • a specific link relationship is shown in FIG. 7 , an area A in FIG. 7 is an airflow return area, and an area B is an air outlet flow line.
  • the fan 100 further comprises an air outlet protection structure.
  • the air outlet protection structure is an air outlet protection structure in the above-mentioned embodiment.
  • the air outlet protection structure comprises a central circular disk 10 and a radiating rib 20 extending from an outer edge of the central circular disk 10 to a direction away from the central circular disk 10 .
  • An included angle a between a first side surface 21 of the radiating rib 20 and a central axis of the central circular disk 10 is determined by a formula
  • Vr Vz 2 ⁇ ⁇ ⁇ ⁇ fl Vz ,
  • V r is a flowing velocity of an airflow in a rotation direction of a blade 40
  • V z is a flowing velocity of the airflow in an axial direction of a blade shaft
  • l is a distance from a point on the first side surface 21 of the radiating rib 20 to the central axis of the central circular disk 10
  • f is a rotation frequency of the blade shaft.
  • the included angle a between the first side surface 21 of the radiating rib 20 of the air outlet protection structure and the central axis of the central circular disk 10 is determined according to the characteristics of a flow field of an air duct, and the hindering effect of an air outlet protection apparatus on the fluid can be reduced as far as possible, thereby improving the air output volume of a fan and reducing the noise of the entire fan.
  • the method for designing an air outlet protection structure further comprises that: a plurality of circumferential ribs 30 are provided at the periphery of the central circular disk 10 , so that an interval between every two adjacent circumferential ribs 30 is increased gradually, and the circumferential ribs 30 and the radiating ribs 20 are intersected to form a net structure.
  • An air outlet structure such as the blade of the fan is protected from being damaged by the outside, thereby reducing potential safety hazards of the air outlet structure in a running process.
  • the interval between every two adjacent circumferential ribs 30 is increased gradually, and is consistent with the air force distribution of air output from the fan, so that the noise can be well reduced.
  • the circumferential ribs 30 have an annular structure, a central axis of the annular structure is overlapped with that of the central circular disk 10 , and radiuses of the circumferential ribs 30 are uniformly increased in the direction away from the central circular disk 10 , thereby enhancing the strength of the entire air outlet protection structure.
  • a protrusion 22 in a length direction of each radiating rib 20 is provided on a side, opposite to the first side surface 21 , of the radiating rib 20 , a protrusion direction of each protrusion 22 is opposite to a flowing direction of the airflow, and the thickness of each radiating rib 20 is decreased gradually in a width direction of the radiating rib 20 from the top of the corresponding protrusion 22 .
  • each protrusion 22 is provided on the side opposite to the corresponding first side surface 21 .
  • the middle of the corresponding radiating rib 20 can be thick while the edge can be thin, so that the strength of each radiating rib 20 is ensured, the windward side of the radiating rib 20 can be reduced, and the hindering effect of the radiating rib 20 on the fluid is reduced as far as possible.
  • the embodiments of the invention achieve the technical effects as follow.
  • the hindering effect of the air outlet protection apparatus on the fluid can be reduced as far as possible, thereby improving the air output volume of the fan and reducing the noise of the entire outdoor unit of the air conditioner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US15/101,618 2014-03-17 2014-12-19 Air outlet protection structure, outdoor unit of air conditioner and method for designing air outlet protection structure Abandoned US20160305454A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410099182.2A CN104930604B (zh) 2014-03-17 2014-03-17 出风防护结构、空调器室外机及出风防护结构的设计方法
CN201410099182.2 2014-03-17
PCT/CN2014/094423 WO2015139491A1 (zh) 2014-03-17 2014-12-19 出风防护结构、空调器室外机及出风防护结构的设计方法

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US20160305454A1 true US20160305454A1 (en) 2016-10-20

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US15/101,618 Abandoned US20160305454A1 (en) 2014-03-17 2014-12-19 Air outlet protection structure, outdoor unit of air conditioner and method for designing air outlet protection structure

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US (1) US20160305454A1 (zh)
EP (1) EP3121451A4 (zh)
CN (1) CN104930604B (zh)
WO (1) WO2015139491A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190331137A1 (en) * 2018-04-25 2019-10-31 Comefresh Electronic Industry Co., Ltd. Air Circulator
US11796218B2 (en) 2017-08-18 2023-10-24 Carrier Corporation Fan housing and air conditioner device

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016511B (zh) * 2016-07-14 2021-11-05 广东美的暖通设备有限公司 出风罩及具有其的空调室外机
CN106225108B (zh) * 2016-08-25 2021-12-21 珠海格力电器股份有限公司 一种面板和网罩的固定结构
CN107339265B (zh) * 2017-07-31 2019-08-23 广东美的环境电器制造有限公司 风扇
CN107514663B (zh) * 2017-09-01 2023-11-03 青岛海尔智能技术研发有限公司 一种油烟机的网盘及油烟机
WO2019065679A1 (ja) * 2017-09-28 2019-04-04 パナソニックＩｐマネジメント株式会社 扇風機
CN108036433A (zh) * 2018-01-05 2018-05-15 奥克斯空调股份有限公司 风叶网罩、送风装置和空调
CN109974141A (zh) * 2019-04-08 2019-07-05 广东美的暖通设备有限公司 空调器的出风网罩及空调器
CN111637542A (zh) * 2020-05-14 2020-09-08 宁波奥克斯电气股份有限公司 一种出风格栅及空调器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6398492B1 (en) * 1998-12-31 2002-06-04 Halla Climate Control Corp. Airflow guide stator vane for axial flow fan and shrouded axial flow fan assembly having such airflow guide stator vanes
US6503060B1 (en) * 1999-08-09 2003-01-07 Daikin Industries, Ltd. Fan guard of blower unit and air conditioner
JP2003035438A (ja) * 2001-07-24 2003-02-07 Hitachi Ltd 空気調和機用室外ユニット
US6764277B2 (en) * 2001-01-29 2004-07-20 Daikin Industries, Ltd. Fan guard of fan unit
US7172387B2 (en) * 2002-11-08 2007-02-06 Daikin Industries, Ltd. Fan guard for blower unit
US8157513B2 (en) * 2007-04-12 2012-04-17 Nidec Corporation Axial flow fan

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06257795A (ja) * 1993-03-02 1994-09-16 Matsushita Electric Ind Co Ltd 空気調和機室外機用の前面グリル
JP4403691B2 (ja) * 2002-11-08 2010-01-27 ダイキン工業株式会社 送風ユニットのファンガード
TWI299116B (en) * 2006-05-22 2008-07-21 Delta Electronics Inc Fan assembly and its fastening structure
CN101737918B (zh) * 2009-12-17 2011-09-14 四川长虹空调有限公司 导流装置
CN102840168A (zh) * 2011-06-20 2012-12-26 李凡 一种风机外壳
CN103375854B (zh) * 2012-04-12 2016-02-24 珠海格力电器股份有限公司 空调室外机的出风装置
CN103542468B (zh) * 2012-07-16 2016-07-06 珠海格力电器股份有限公司 一种空调、室外机及其风扇防护格栅
CN203163117U (zh) * 2013-03-22 2013-08-28 广东美的电器股份有限公司 出风网罩及空调室外机
CN103307027A (zh) * 2013-06-28 2013-09-18 开平市永强风机制造有限公司 一种鼓风机的外壳
CN203384114U (zh) * 2013-06-28 2014-01-08 开平市永强风机制造有限公司 一种鼓风机的外壳
CN203394880U (zh) * 2013-08-01 2014-01-15 浙江马尔风机有限公司 一种风机的改良散热罩
CN203797829U (zh) * 2014-03-17 2014-08-27 珠海格力电器股份有限公司 出风防护结构和空调器室外机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6398492B1 (en) * 1998-12-31 2002-06-04 Halla Climate Control Corp. Airflow guide stator vane for axial flow fan and shrouded axial flow fan assembly having such airflow guide stator vanes
US6503060B1 (en) * 1999-08-09 2003-01-07 Daikin Industries, Ltd. Fan guard of blower unit and air conditioner
US6764277B2 (en) * 2001-01-29 2004-07-20 Daikin Industries, Ltd. Fan guard of fan unit
JP2003035438A (ja) * 2001-07-24 2003-02-07 Hitachi Ltd 空気調和機用室外ユニット
US7172387B2 (en) * 2002-11-08 2007-02-06 Daikin Industries, Ltd. Fan guard for blower unit
US8157513B2 (en) * 2007-04-12 2012-04-17 Nidec Corporation Axial flow fan

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11796218B2 (en) 2017-08-18 2023-10-24 Carrier Corporation Fan housing and air conditioner device
US20190331137A1 (en) * 2018-04-25 2019-10-31 Comefresh Electronic Industry Co., Ltd. Air Circulator
US10920792B2 (en) * 2018-04-25 2021-02-16 Comefresh Electronic Industry Co., Ltd. Air circulator

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CN104930604B (zh) 2018-02-27

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