CN110493689B - 无叶风扇音响 - Google Patents

无叶风扇音响 Download PDF

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CN110493689B
CN110493689B CN201910786469.5A CN201910786469A CN110493689B CN 110493689 B CN110493689 B CN 110493689B CN 201910786469 A CN201910786469 A CN 201910786469A CN 110493689 B CN110493689 B CN 110493689B
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CN110493689A (zh
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胡振强
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Binzhou Kechuang Incubator Co ltd
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Zhu Shaochi
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14Jet 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
    • F04F5/16Jet 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/323Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only for loudspeakers

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  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

本发明提供一种无叶风扇音响,包括基座与扇圈;扇圈内侧设有紧贴内环的转动环,转动环可在外力作用下绕其圆心转动;内环与转动环周向均布有相匹配的缺口,当转动环转动至第一角度时,内环与转动环上的缺口一一正对贯通,而当转动环转动至第二角度时,内环与转动环上的缺口完全错开,使出风腔与扇圈的内侧区域相隔绝;转动环内侧周向均布有两端尖锐的电极针,所有电极针的连线形成与转动环同心的圆周;且相邻的两根电极针的连线跨越转动环上的一个缺口;基座内设有等离子扬声模块,每两个相邻的电极针分别电性连接至等离子扬声模块的一个输出极。该无叶风扇音响可以控制声波的传播模式,使其在定向传播与扩散传播中切换。

Description

无叶风扇音响
技术领域
本发明涉及电器领域,特别地,涉及一种扬声器和风扇的组合体。
背景技术
无叶风扇作为一种新型产品,相比于传统风扇,有着安全美观、出风柔和等优点,目前正被广泛使用;然而现有的无叶风扇其功能相对单一,尚不足以满足新兴用户的多元化需求。
发明内容
针对上述问题,本发明的目的在于提供一种无叶风扇音响,该无叶风扇音响可以控制声波的传播模式,使其在定向传播与扩散传播中切换。
本发明解决其技术问题所采用的技术方案是:该无叶风扇音响包括基座与扇圈;所述基座内设有气泵;所述扇圈包括外环与内环,且外环与内环之间形成出风腔,所述出风腔通过制于所述基座内的气流通道与所述气泵的出风口相连通,使所述气泵可以将外界空气鼓入所述出风腔内,并从出风腔的前方吹出;所述扇圈内侧设有紧贴所述内环的转动环,所述转动环可在外力作用下绕其圆心转动;所述内环与所述转动环周向均布有相匹配的缺口,当所述转动环转动至第一角度时,内环与转动环上的缺口一一正对贯通,而当所述转动环转动至第二角度时,内环与转动环上的缺口完全错开,使所述出风腔与所述扇圈的内侧区域相隔绝;所述转动环内侧周向均布有两端尖锐的电极针,所有所述电极针的连线形成与转动环同心的圆周;且相邻的两根电极针的连线跨越转动环上的一个所述缺口;所述基座内设有等离子扬声模块,每两个相邻的所述电极针分别电性连接至所述等离子扬声模块的一个输出极。
作为优选,以所述出风腔的出风方向为正方向,所述内环的各缺口在出风腔内的后侧分别设有一块从缺口后侧倾斜向前衍射的导流板;从而在不影响电弧进入所述出风腔的同时,避免出风腔吹出的风经过缺口流向扇圈内侧区域。
作为优选,相邻两个所述电极针间距小于5cm,以使其之间易于形成击穿空气的电弧。
作为优选,所述电极针与所述转动环的径向距离为5mm-10mm,以使所述电极针间产生的电弧易于被负压吸入到出风腔内。
本发明的有益效果在于:该无叶风扇音响在使用时,等离子扬声模块在相邻的电极针之间产生音频电弧,同时出风腔出风形成高速的环形风带;当转动环转动至第二角度时,音频电弧于环形风带内侧产生声波,使声波因气流分层的反射作用被环形风带约束于环形风带所围成的筒形区内,形成声波的定向传播效果;而当转动环转动至第一角度时,出风腔与电弧所在的空间相连通,此时由于出风腔内气体处于高流速状态而形成负压,从而能够吸引电弧穿过缺口进入到出风腔内,使声波产生于环形风带中,从而易于向外扩散,形成扩散传播效果;由此,该无叶风扇音响可以控制声波的传播模式,使其在定向传播与扩散传播中切换。
附图说明
图1为本无叶风扇音响一个实施例中转动环处于第一角度时的示意图。
图2为图1所示实施例中转动环处于第二角度时的示意图。
图3为图1所示实施例中扇圈上部的侧向剖面图。
具体实施方式
下面结合附图和实施例对本发明进一步说明:
在图1、图2、图3所示的实施例中,该无叶风扇音响包括基座1与扇圈2;所述基座1内设有气泵;所述扇圈2包括外环21与内环22,且外环21与内环22之间形成出风腔3,所述出风腔3通过制于所述基座1内的气流通道与所述气泵的出风口相连通,使所述气泵可以将外界空气鼓入所述出风腔3内,并从出风腔3的前方吹出;所述扇圈2内侧设有紧贴所述内环22的转动环4,所述转动环4可在外力作用下绕其圆心转动;所述内环22与所述转动环4周向均布有相匹配的缺口,当所述转动环4转动至第一角度时,内环22与转动环4上的缺口一一正对贯通,而当所述转动环4转动至第二角度时,内环22与转动环4上的缺口完全错开,使所述出风腔3与所述扇圈2的内侧区域相隔绝;所述转动环4内侧周向均布有两端尖锐的电极针5,所有所述电极针5的连线形成与转动环4同心的圆周;且相邻的两根电极针5的连线跨越转动环4上的一个所述缺口;所述基座1内设有等离子扬声模块,每两个相邻的所述电极针5分别电性连接至所述等离子扬声模块的一个输出极。
另外,以所述出风腔3的出风方向为正方向,所述内环22的各缺口在出风腔3内的后侧分别设有一块从缺口后侧倾斜向前衍射的导流板6;从而在不影响电弧进入所述出风腔3的同时,避免出风腔3吹出的风经过缺口流向扇圈2内侧区域。
另外,相邻两个所述电极针5间距小于5cm,以使其之间易于形成击穿空气的电弧。另外,所述电极针5与所述转动环4的径向距离为5mm-10mm,以使所述电极针5间产生的电弧易于被负压吸入到出风腔3内。
上述无叶风扇音响在使用时,等离子扬声模块在相邻的电极针5之间产生音频电弧,同时出风腔3出风形成高速的环形风带;当转动环4转动至第二角度时,音频电弧于环形风带内侧产生声波,使声波因气流分层的反射作用被环形风带约束于环形风带所围成的筒形区内,形成声波的定向传播效果;而当转动环4转动至第一角度时,出风腔3与电弧所在的空间相连通,此时由于出风腔3内气体处于高流速状态而形成负压,从而能够吸引电弧穿过缺口进入到出风腔3内,使声波产生于环形风带中,从而易于向外扩散,形成扩散传播效果;由此,该无叶风扇音响可以控制声波的传播模式,使其在定向传播与扩散传播中切换。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (4)

1.一种无叶风扇音响,包括基座(1)与扇圈(2);所述基座(1)内设有气泵;所述扇圈(2)包括外环(21)与内环(22),且外环(21)与内环(22)之间形成出风腔(3),所述出风腔(3)通过制于所述基座(1)内的气流通道与所述气泵的出风口相连通,使所述气泵可以将外界空气鼓入所述出风腔(3)内,并从出风腔(3)的前方吹出;其特征在于:在所述扇圈(2)靠近自身圆心的内侧区域设有紧贴所述内环(22)的转动环(4),所述转动环(4)可在外力作用下绕其圆心转动;所述内环(22)与所述转动环(4)周向均布有相匹配的缺口,当所述转动环(4)转动至第一角度时,内环(22)与转动环(4)上的缺口一一正对贯通,而当所述转动环(4)转动至第二角度时,内环(22)与转动环(4)上的缺口完全错开,使所述出风腔(3)与所述扇圈(2)的内侧区域相隔绝;所述转动环(4)内侧周向均布有两端尖锐的电极针(5),所有所述电极针(5)的连线形成与转动环(4)同心的圆周;且相邻的两根电极针(5)的连线跨越转动环(4)上的一个所述缺口;所述基座(1)内设有等离子扬声模块,每两个相邻的所述电极针(5)分别电性连接至所述等离子扬声模块的一个输出极。
2.根据权利要求1所述的无叶风扇音响,其特征在于:以所述出风腔(3)的出风方向为正方向,所述内环(22)的各缺口在出风腔(3)内的后侧分别设有一块从缺口后侧倾斜向前衍射的导流板(6)。
3.根据权利要求1所述的无叶风扇音响,其特征在于:相邻两个所述电极针(5)间距小于5cm。
4.根据权利要求1所述的无叶风扇音响,其特征在于:所述电极针(5)与所述转动环(4)的径向距离为5mm-10mm。
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CN102777399A (zh) * 2012-07-19 2012-11-14 罗赟 一种带音响的无叶风扇
CN202673717U (zh) * 2012-07-09 2013-01-16 李刚 一种新型的无叶风扇
CN203039839U (zh) * 2012-12-12 2013-07-03 西安理工大学 无叶风扇音箱
DE202015000324U1 (de) * 2015-01-13 2015-03-06 Andreas Lechner Kombination aus Ventilator und Lautsprecherbox
CN204783536U (zh) * 2015-06-18 2015-11-18 潘秀娟 一种蓝牙音响无叶风扇
CN106884805A (zh) * 2012-05-16 2017-06-23 戴森技术有限公司 风扇
CN109026786A (zh) * 2018-09-04 2018-12-18 成都捷科菲友信息技术有限公司 一种多功能无叶风扇

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GB2468325A (en) * 2009-03-04 2010-09-08 Dyson Technology Ltd Height adjustable fan with nozzle
CN206860485U (zh) * 2017-03-31 2018-01-09 广东美的环境电器制造有限公司 用于无叶风扇的基座及无叶风扇
CN108730240A (zh) * 2018-03-28 2018-11-02 珠海格力电器股份有限公司 无叶风扇

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106884805A (zh) * 2012-05-16 2017-06-23 戴森技术有限公司 风扇
CN202673717U (zh) * 2012-07-09 2013-01-16 李刚 一种新型的无叶风扇
CN102777399A (zh) * 2012-07-19 2012-11-14 罗赟 一种带音响的无叶风扇
CN203039839U (zh) * 2012-12-12 2013-07-03 西安理工大学 无叶风扇音箱
DE202015000324U1 (de) * 2015-01-13 2015-03-06 Andreas Lechner Kombination aus Ventilator und Lautsprecherbox
CN204783536U (zh) * 2015-06-18 2015-11-18 潘秀娟 一种蓝牙音响无叶风扇
CN109026786A (zh) * 2018-09-04 2018-12-18 成都捷科菲友信息技术有限公司 一种多功能无叶风扇

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