WO2021031449A1 - 吸油烟机 - Google Patents
吸油烟机 Download PDFInfo
- Publication number
- WO2021031449A1 WO2021031449A1 PCT/CN2019/122738 CN2019122738W WO2021031449A1 WO 2021031449 A1 WO2021031449 A1 WO 2021031449A1 CN 2019122738 W CN2019122738 W CN 2019122738W WO 2021031449 A1 WO2021031449 A1 WO 2021031449A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- side wall
- air outlet
- range hood
- tube
- upper side
- Prior art date
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
- F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/26—Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/28—Details or features not otherwise provided for using the Coanda effect
Abstract
Description
Claims (16)
- 一种吸油烟机,其特征在于,包括:主壳体,所述主壳体具有进风口和出风口;出风装置,所述出风装置包括出风源、出风导管和引射管,所述引射管位于所述主壳体下方且与所述主壳体的底壁间隔开,所述引射管上设有喷射口以形成引射流场,所述出风源通过所述出风导管将气流导向所述引射管;其中,在烟气流动方向上所述引射管具有上游端和下游端,所述引射管包括上侧壁和下侧壁,所述上侧壁和所述下侧壁在上游端相连,所述上侧壁和所述下侧壁在下游端之间形成所述喷射口,所述上侧壁和所述下侧壁形成为弧形壁,所述弧形壁的至少部分外表面为柯恩达面。
- 根据权利要求1所述的吸油烟机,其特征在于,在烟气流动方向上所述上侧壁和所述下侧壁先彼此远离后彼此靠近,所述上侧壁和所述下侧壁的外表面均为柯恩达面。
- 根据权利要求1-2中任一项所述的吸油烟机,其特征在于,所述喷射口的喷射方向在水平面至相对水平面向上20度角的范围内。
- 根据权利要求1-3中任一项所述的吸油烟机,其特征在于,所述引射管的管截面为翼型形状,所述引射管的上游端位于翼型形状的前缘,所述引射管的下游端位于翼型形状的尾缘。
- 根据权利要求4所述的吸油烟机,其特征在于,在所述引射管的管截面上,以所述引射管的上游端和下游端连线作为第一连线,以在垂直于所述第一连线的方向上所述上侧壁和所述下侧壁之间距离最远点连线作为第二连线,所述引射管的上游端与所述第二连线的距离为L1,所述引射管的下游端与所述第二连线的距离为L2,所述上侧壁与所述第一连线的最远距离为H1,所述下侧壁与所述第一连线的最远距离为H2,H1与H2相等,L1与H1的比值在0.8至1.5之间,L2与H1的比值在2至4之间。
- 根据权利要求1-5中任一项所述的吸油烟机,其特征在于,所述喷射口为多个喷孔或者条缝。
- 根据权利要求6所述的吸油烟机,其特征在于,所述喷孔或者所述条缝的高度尺寸在1mm至5mm之间。
- 根据权利要求6-7中任一项所述的吸油烟机,其特征在于,所述喷射口包括多个所述喷孔,相邻所述喷孔之间孔距为所述喷孔高度尺寸的2.5至4倍。
- 根据权利要求6-8中任一项所述的吸油烟机,其特征在于,所述喷射口为所述条缝,所述条缝内设有导流间隔筋,所述导流间隔筋的间距为所述条缝高度尺寸的3-10倍。
- 根据权利要求6-9中任一项所述的吸油烟机,其特征在于,所述喷射口包括多个所述喷孔,所述喷孔为椭圆形,所述椭圆形的长轴与短轴之间的比值为2-4,相邻所述椭圆形的中心之间距离为长轴的3至5倍。
- 根据权利要求1-10中任一项所述的吸油烟机,其特征在于,所述主壳体的底部形成为集烟罩,所述引射管设在所述集烟罩的底部且临近所述集烟罩的外边缘处。
- 根据权利要求11所述的吸油烟机,其特征在于,所述引射管的水平投影位于所述集烟罩的水平投影内,所述引射管的所述上侧壁与所述集烟罩的底壁之间间距为30-50mm,所述引射管的上游端与所述集烟罩的外边缘之间距离为0至100mm。
- 根据权利要求1-12中任一项所述的吸油烟机,其特征在于,所述出风源位于所述主壳体内的抽风风机的上方。
- 根据权利要求13所述的吸油烟机,其特征在于,所述出风导管包括:向下延伸段,所述向下延伸段竖向设置在所述主壳体内;分支段,所述分支段设置在所述主壳体的底部,所述向下延伸段的底部连接多个所述分支段;弯管,所述弯管位于所述主壳体的下方,所述弯管的上端伸到所述主壳体内并与所述分支段的端部相连,所述弯管的下端与所述引射管的端部相连。
- 根据权利要求14所述的吸油烟机,其特征在于,所述出风导管还包括:上导引段,所述上导引段位于所述抽风风机的上方且与所述出风源相连,所述上导引段水平设置且两端分别连接一个所述向下延伸段。
- 根据权利要求14-15中任一项所述的吸油烟机,其特征在于,所述出风导管内设有导流结构,在所述向下延伸段和所述分支段连接处设有所述导流结构,在所述分支段和所述弯管连接处设有所述导流结构。
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KR1020217043333A KR102576015B1 (ko) | 2019-08-22 | 2019-12-03 | 레인지 후드 |
JP2021569953A JP7383054B2 (ja) | 2019-08-22 | 2019-12-03 | レンジフード |
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CN201910780120.0A CN110345540B (zh) | 2019-08-22 | 2019-08-22 | 吸油烟机 |
CN201910780120.0 | 2019-08-22 |
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PCT/CN2019/122738 WO2021031449A1 (zh) | 2019-08-22 | 2019-12-03 | 吸油烟机 |
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JP (1) | JP7383054B2 (zh) |
KR (1) | KR102576015B1 (zh) |
CN (1) | CN110345540B (zh) |
WO (1) | WO2021031449A1 (zh) |
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CN110345540B (zh) * | 2019-08-22 | 2020-11-24 | 美的集团股份有限公司 | 吸油烟机 |
CN112503593B (zh) * | 2020-09-25 | 2022-05-17 | 宁波方太厨具有限公司 | 一种吸油烟机 |
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2019
- 2019-08-22 CN CN201910780120.0A patent/CN110345540B/zh active Active
- 2019-12-03 WO PCT/CN2019/122738 patent/WO2021031449A1/zh active Application Filing
- 2019-12-03 KR KR1020217043333A patent/KR102576015B1/ko active IP Right Grant
- 2019-12-03 JP JP2021569953A patent/JP7383054B2/ja active Active
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US6336451B1 (en) * | 1996-04-04 | 2002-01-08 | Roehl-Hager Hannelore | Process and device for confining, retaining and sucking off fumes, dust or the like |
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EP1757864A2 (en) * | 2005-08-22 | 2007-02-28 | LG Electronics Inc. | Exhaust hood |
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CN110345540A (zh) * | 2019-08-22 | 2019-10-18 | 美的集团股份有限公司 | 吸油烟机 |
Also Published As
Publication number | Publication date |
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JP7383054B2 (ja) | 2023-11-17 |
CN110345540A (zh) | 2019-10-18 |
JP2022534237A (ja) | 2022-07-28 |
KR102576015B1 (ko) | 2023-09-06 |
CN110345540B (zh) | 2020-11-24 |
KR20220016224A (ko) | 2022-02-08 |
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