EP3845823B1 - Luftauslassströmungsführungsstruktur und reiniger - Google Patents

Luftauslassströmungsführungsstruktur und reiniger Download PDF

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Publication number
EP3845823B1
EP3845823B1 EP19888119.5A EP19888119A EP3845823B1 EP 3845823 B1 EP3845823 B1 EP 3845823B1 EP 19888119 A EP19888119 A EP 19888119A EP 3845823 B1 EP3845823 B1 EP 3845823B1
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European Patent Office
Prior art keywords
flow guiding
purifier
air outlet
channel
air
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EP19888119.5A
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English (en)
French (fr)
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EP3845823A4 (de
EP3845823A1 (de
Inventor
Bochen WAN
Ni JIA
Chi Zhang
Huan CHEN
Yesheng LING
Zhentao HU
Rongji HE
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • 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
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/28—Arrangement or mounting of filters

Definitions

  • the present invention relates to a field of air purification, and in particular, to an air outlet flow guiding structure and a purifier.
  • the purifier filters particles in the air by circulating the indoor air, so as to purify the indoor air.
  • the purification capability of the purifier is closely related to the reasonable design of the flow guiding channel, and the reasonable design of the flow guiding channel will effectively reduce the energy loss of the air in the transmission process.
  • a purifier known to the inventors provides the power for air circulation through centrifugal blades, so as to achieve the purpose of purifying the air.
  • the air delivered by the centrifugal blades loses a lot of energy in the flow guiding channel, resulting in low air purification efficiency.
  • the invention is as defined in claim 1.
  • An air outlet flow guiding structure includes the features of claim 1.
  • it includes an outer housing, the outer housing covering a periphery of a centrifugal blade to form a flow guiding channel; and a flow guiding part is provided in the flow guiding channel, the flow guiding part is located at a side, close to an air outlet of the flow guiding channel, of the centrifugal blade, and the flow guiding part is provided in a longitudinal direction of the flow guiding channel.
  • the solution above provides an air outlet flow guiding structure. Under the action of the centrifugal blade, air passes through the flow guiding channel, and the air passing through the centrifugal blade spirally moves in the outer housing towards the air outlet, and the flow guiding part which is provided in the longitudinal direction of the flow guiding channel guides the spirally moving air to flow towards the air outlet in the longitudinal direction of the flow guiding channel, so as to prevent the airflow from turning around in the flow guiding channel, thereby reducing the air volume loss, and improving the air purification efficiency.
  • the air outlet flow guiding structure further includes an inner housing for supporting an electric motor, the inner housing is located at a side, close to the air outlet of the flow guiding channel, of the centrifugal blade, the flow guiding channel is formed between the inner housing and the outer housing, and the flow guiding part is located between the inner housing and the outer housing.
  • the flow guiding part is provided on the inner housing and extends towards a direction close to the outer housing, and is connected with the outer housing.
  • the flow guiding part is provided with a wire passing channel, and the wire passing channel penetrates from an end face, connected with the outer housing, of the flow guiding part to an end face, connected with the inner housing, of the flow guiding part.
  • an outer diameter of the inner housing gradually decreases in a direction away from the centrifugal blade, and a slope of an outer wall of the inner housing gradually decreases in said direction away from the centrifugal blade.
  • the flow guiding part includes an arc-shaped plate, configured so that spirally rising air delivered by the centrifugal blade is blocked by a concave surface of the arc-shaped plate and flows in the longitudinal direction of the flow guiding channel.
  • the outer housing is a cylindrical housing, a radius of the cylindrical housing is R, and an arc radius of the arc-shaped plate is between values of R 3 and 2R.
  • the arc radius of the arc-shaped plate is R 2 .
  • a purifier includes an electric motor for driving the centrifugal blade to rotate, and the air outlet flow guiding structure mentioned above; and the outer housing covers a periphery of the centrifugal blade.
  • a purifier is provided, by using the air outlet flow guiding structure in any one of the described embodiments, the purifier enables air, passing through the centrifugal blade, to be able to move in the longitudinal direction of the flow guiding channel under the action of the flow guiding part, thereby avoiding the occurrence of the cases where the air volume is reduced and the air supply distance is reduced due to the rotation of the air in the flow guiding channel, thereby improving the air purification efficiency.
  • the centrifugal blade is coaxially provided with the outer housing, and the axis of the centrifugal blade is parallel to a side surface of the flow guiding part.
  • the purifier further includes a filtering device, and the filtering device is provided at an air inlet of the flow guiding channel and is in communication with the air inlet.
  • Embodiments of the present invention provide an air outlet flow guiding structure 13.
  • the air outlet flow guiding structure 13 includes an outer housing 131.
  • the outer housing 131 covers a periphery of a centrifugal blade 11 to form a flow guiding channel 132, a flow guiding part 133 is provided in the flow guiding channel 132, the flow guiding part 133 is located at a side, close to an air outlet of the flow guiding channel 132, of the centrifugal blade 11, and the flow guiding part 133 is provided in a longitudinal direction of the flow guiding channel 132.
  • the solution above provides an air outlet flow guiding structure 13, under the action of the centrifugal blade 11, air passes through the flow guiding channel 132, as shown in Fig. 5 , the air passing through the centrifugal blade 11 spirally moves in the outer housing 131 towards the air outlet, as shown in Fig. 6 , the flow guiding part 133 which is provided in the longitudinal direction of the air guide channel 132 guides the spirally moving air to flow towards the air outlet in the longitudinal direction of the flow guiding channel 132, so as to prevent the airflow from turning around in the flow guiding channel 132, thereby reducing the air volume loss, and improving the air purification efficiency.
  • the flow guiding part 133 is provided in the longitudinal direction of the flow guiding channel 132, which refers to the longitudinal direction in the state as shown in Fig. 6 , so that spirally rising air is able to be blocked by the flow guiding part 133, thereby the air flows upwards along the flow guiding parts 133, so as to prevent the airflow from turning around in the inner housing 134, thereby reducing the air volume loss.
  • the visible portion of the flow guiding part 133 in the front views of the embodiments is the end face of the flow guiding part 133.
  • the arrangement direction of the flow guiding part 133 is also shifted correspondingly.
  • the relative position between the flow guiding part 133 and the outer housing 131 remains unchanged, that is, the flow guiding part 133 is capable of guiding the spirally rising airflow in the flow guiding channel 132, so that the airflow moves substantially in the axial direction of the outer housing 131.
  • the flow guiding part is a plate-shaped structure.
  • a plurality of flow guiding plates there are a plurality of flow guiding plates, and the plurality of guiding plates are provided in the flow guiding channel 132 at uniform intervals in a circumferential direction.
  • the air spirally rising in the axial direction is able to be guided to the air outlet more evenly, further increasing the air output volume.
  • the air outlet flow guiding structure 13 further includes an inner housing 134 for supporting an electric motor 12, the inner housing 134 is located at a side, close to the air outlet of the flow guiding channel 132, of the centrifugal blades 11, the flow guiding channel 132 is located between the inner housing 134 and the outer housing 131, and the flow guiding part 133 is located between the inner housing 134 and the outer housing 131.
  • the flow guiding channel 132 is formed between the inner housing 134 and the outer housing 131, and the flow guiding part 133 is provided between the inner housing 134 and the outer housing 131 to guide the air spirally rising in the flow guiding channel 132.
  • the flow guiding parts 133 can be connected with the outer housing 131, and can also be connected with the inner housing 134; or the flow guiding part is supported between the outer housing 131 and the inner housing 134, and can support the inner housing 134 and the outer housing 131, thereby improving the overall strength of the air outlet flow guiding structure 13.
  • the flow guiding part 133 is provided on the inner housing 134, extending in a direction close to the outer housing 131, and is connected with the outer housing 131.
  • the flow guiding part 133 when the flow guiding part 133 is supported between the inner housing 134 and the outer housing 131, the flow guiding part 133 is a structure with a certain width, as shown in Fig. 4 , and then a channel for wires layout is provided in the flow guiding part 133, thereby omitting the arrangement of a dedicated wire layout channel between the inner housing 134 and the outer housing 131, and further simplifying the structure.
  • the flow guiding part 133 is provided with a wire passing channel, and the wire passing channel penetrates from an end face, connected with the outer housing 131, of the flow guiding part 133 to an end face, connected with the inner housing 134, of the flow guiding part 133.
  • the wire connected to the electric motor 12 in the inner housing 134 is connected to an external circuit through the wire passing channel, thereby preventing the wire from being exposed in the flow guiding channel 132 and affecting the air output volume.
  • an outer diameter of the inner housing 134 gradually decreases in a direction away from the centrifugal blade 11, and a slope of the outer wall of the inner housing 134 gradually decreases in said direction away from the centrifugal blade 11.
  • the outer wall of the inner housing 134 forms a shape similar to a reverse bowl, so as to prevent the airflow in the flow guiding channel 132 from gathering and turning around on the surface of the inner housing 134, thereby further increasing the air output volume.
  • the flow guiding part 133 is an arc-shaped plate which is provided in the longitudinal direction of the flow guiding channel 132 and can guide the spirally rising airflow to flow upward.
  • the arc-shaped plate is configured so that the spirally rising air delivered by the centrifugal blade 11 is blocked by a concave surface of the arc-shaped plate, and flows in the longitudinal direction of the flow guiding channel 132.
  • the air guided by the flow guiding part 133 flows along the concave surface of the flow guiding part 133 when being in contact with the flow guiding part 133, and then flows upwards under the blocking of the flow guiding part 133, thereby further reducing the energy loss of the air when being in contact with the flow guiding part 133.
  • the outer housing 131 is a cylindrical housing, a radius of the cylindrical housing is R, and an arc radius of the arc-shaped plate is between values of R 3 and 2R. While ensuring the guiding effect of the flow guiding part 133 on the air, it also makes the overall air volume larger.
  • the arc radius of the arc-shaped plate is R 2 . .
  • the purifier 10 includes an electric motor 12 for driving the centrifugal blade 11 to rotate, and the air outlet flow guiding structure 13 mentioned above; and the outer housing 131 covers a periphery of the centrifugal blade 11.
  • a purifier 10 is provided, by using the air outlet flow guiding structure 13 in any one of the described embodiments, the purifier enables the air, passing through the centrifugal blade 11, to be able to move in the longitudinal direction of the flow guiding channel 132 under the action of the flow guiding part 133, thereby avoiding the occurrence of the cases where the air volume is reduced and the air supply distance is reduced due to the rotation of the air in the flow guiding channel 132, thereby improving the air purification efficiency.
  • the centrifugal blade 11 is coaxially provided with the outer housing 131, and the axis of the centrifugal blade 11 is parallel to a side surface of the flow guiding part 133. In this way, a distribution of the airflow in the flow guiding channel 132 is more uniform, and the overall air output effect is better.
  • the purifier 10 further includes a filtering device 135, and the filtering device 135 is provided at an air inlet of the flow guiding channel 132 and is in communication with the air inlet.
  • the centrifugal blade 11 rotates to suck in outside air, and the outside air passes through the flow guiding channel 132 after passing through the filtering device 135; and under the action of the flow guiding part 133, the air spirally rising in the flow guiding channel 132 is guided to be the air flowing in the longitudinal direction of the flow guiding channel 132, which reduces the occurrence of air rotating in the flow guiding channel 132, thereby increasing the air output volume, and improving the purification efficiency.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (8)

  1. Luftauslassströmungsführungsstruktur für einen Reiniger, umfassend ein äußeres Gehäuse (131), wobei das äußere Gehäuse (131) eine Peripherie eines Fliehkraftflügels (11) abdeckt, um einen Strömungsführungskanal (132) zu bilden; wobei ein Strömungsführungsteil (133) in dem Strömungsführungskanal (132) bereitgestellt ist, wobei das Strömungsführungsteil (133) sich an einer Seite, dicht an einem Luftauslass des Strömungsführungskanals (132), des Fliehkraftflügels (11) befindet und das Strömungsführungsteil (133) in einer Längsrichtung des Strömungsführungskanals (132) bereitgestellt ist;
    wobei die Luftauslassströmungsführungsstruktur ferner ein inneres Gehäuse (134) zum Tragen eines elektrischen Motors (12) umfasst, wobei das innere Gehäuse (134) sich an einer Seite, dicht an dem Luftauslass des Strömungsführungskanals (132), des Fliehkraftflügels (11) befindet, wobei der Strömungsführungskanal (132) zwischen dem inneren Gehäuse (134) und einem äußeren Gehäuse (131) gebildet ist und das Strömungsführungsteil (133) sich zwischen dem inneren Gehäuse (134) und dem äußeren Gehäuse (131) befindet;
    wobei ein Außendurchmesser des inneren Gehäuses (134) in einer Richtung weg von dem Fliehkraftflügel (11) allmählich abnimmt;
    dadurch gekennzeichnet, dass eine Neigung einer Außenwand des inneren Gehäuses (134) in der Richtung weg von dem Fliehkraftflügel allmählich abnimmt;
    wobei das Strömungsführungsteil (133) eine bogenförmige Platte umfasst, die so konfiguriert ist, dass spiralförmig aufsteigende Luft, die von dem Fliehkraftflügel (11) zugeführt wird, durch eine konkave Oberfläche der bogenförmigen Platte blockiert wird und in die Längsrichtung des Strömungsführungskanals (132) strömt;
    wobei das äußere Gehäuse (131) ein zylindrisches Gehäuse ist, wobei ein Radius des zylindrischen Gehäuses R beträgt und ein Bogenradius der bogenförmigen Platte einen Wert zwischen R 3
    Figure imgb0007
     und 2R hat.
  2. Luftauslassströmungsführungsstruktur für den Reiniger nach Anspruch 1, wobei das Strömungsführungsteil (133) eine Vielzahl von Strömungsführungsplatten umfasst und die Vielzahl von Strömungsführungsplatten in dem Strömungsführungskanal (132) in gleichmäßigen Abständen in einer Umfangsrichtung bereitgestellt ist.
  3. Luftauslassströmungsführungsstruktur für den Reiniger nach Anspruch 1, wobei das Strömungsführungsteil (133) auf dem inneren Gehäuse (134) bereitgestellt ist, sich zu dem äußeren Gehäuse (131) erstreckt und mit dem äußeren Gehäuse (131) verbunden ist.
  4. Luftauslassströmungsführungsstruktur für den Reiniger nach Anspruch 3, wobei das Strömungsführungsteil (133) mit einem Leitungsdurchgangskanal bereitgestellt ist und wobei der Leitungsdurchgangskanal von einer Stirnseite des Strömungsführungsteils (133), die mit dem äußeren Gehäuse (131) verbunden ist, zu einer Stirnseite des Strömungsführungsteils (133), die mit dem inneren Gehäuse (134) verbunden ist, durchdringt.
  5. Luftauslassströmungsführungsstruktur für den Reiniger nach Anspruch 1, wobei der Bogenradius der bogenförmigen Platte R 2
    Figure imgb0008
     ist.
  6. Reiniger, wobei der Reiniger (10) einen elektrischen Motor (12) zum Antreiben des Fliehkraftflügels (11) dazu, zu rotieren, und eine Luftauslassströmungsführungsstruktur (13) nach einem der Ansprüche 1-5 umfasst.
  7. Reiniger nach Anspruch 6, wobei der Fliehkraftflügel (11) koaxial zu dem äußeren Gehäuse (131) bereitgestellt ist und eine Achse des Fliehkraftflügels (11) parallel zu einer seitlichen Oberfläche des Strömungsführungsteils (133) ist.
  8. Reiniger nach Anspruch 6, wobei der Reiniger (10) ferner eine Filtervorrichtung (135) umfasst, wobei die Filtervorrichtung (135) an einem Lufteinlass des Strömungsführungskanals (132) bereitgestellt ist und mit dem Lufteinlass in Verbindung steht.
EP19888119.5A 2018-11-20 2019-08-01 Luftauslassströmungsführungsstruktur und reiniger Active EP3845823B1 (de)

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CN201811383329.5A CN109282394A (zh) 2018-11-20 2018-11-20 出风口导流结构和净化器
PCT/CN2019/098863 WO2020103492A1 (zh) 2018-11-20 2019-08-01 出风口导流结构和净化器

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EP3845823B1 true EP3845823B1 (de) 2024-07-31

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CN109282394A (zh) * 2018-11-20 2019-01-29 珠海格力电器股份有限公司 出风口导流结构和净化器
CN109951939B (zh) * 2019-04-24 2024-03-08 伟通工业设备（江苏）有限公司 多层导流罩及其uv固化防雾涂装线用除尘装置
CN110145849A (zh) * 2019-06-12 2019-08-20 珠海格力电器股份有限公司 风道组件及空气净化器
CN110566513B (zh) * 2019-09-24 2025-02-25 珠海格力电器股份有限公司 一种导风装置及空气净化器
CN112503708B (zh) * 2020-12-03 2022-07-08 粤卫协(广东)环境科技有限公司 一种恶臭气体净化设备
CN113048602A (zh) * 2021-04-14 2021-06-29 苏州贝昂科技有限公司 一种具有降噪功能的净化器风道系统
CN113310008B (zh) * 2021-06-07 2022-09-06 何育林 一种设置有负离子净化装置的路灯
CN113864233A (zh) * 2021-10-18 2021-12-31 厦门唯科健康产业有限公司 一种包络式风轮风道结构
CN113883710B (zh) * 2021-10-19 2024-09-24 珠海格力电器股份有限公司 空气净化装置及其进风机构
CN114772818B (zh) * 2022-05-23 2023-06-02 浙江朗柯生物工程有限公司 海水净化系统
CN117967823B (zh) * 2024-03-28 2024-06-14 山东中力高压阀门股份有限公司 一种紧凑型开度可调通风阀门

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JP2022505398A (ja) 2022-01-14
CN109282394A (zh) 2019-01-29
JP7203215B2 (ja) 2023-01-12
EP3845823A4 (de) 2021-11-10
EP3845823A1 (de) 2021-07-07

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