WO2017133032A1 - 一种麦克风音箱一体设备 - Google Patents

一种麦克风音箱一体设备 Download PDF

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Publication number
WO2017133032A1
WO2017133032A1 PCT/CN2016/074565 CN2016074565W WO2017133032A1 WO 2017133032 A1 WO2017133032 A1 WO 2017133032A1 CN 2016074565 W CN2016074565 W CN 2016074565W WO 2017133032 A1 WO2017133032 A1 WO 2017133032A1
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WO
WIPO (PCT)
Prior art keywords
microphone
main body
integrated device
horn
sound
Prior art date
Application number
PCT/CN2016/074565
Other languages
English (en)
French (fr)
Inventor
尤广国
Original Assignee
深圳唐恩科技有限公司
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59500050&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2017133032(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP16888856.8A priority Critical patent/EP3413470B1/en
Priority to TR2018/09506T priority patent/TR201809506T6/tr
Priority to ES201790024U priority patent/ES1225807Y/es
Priority to JP2017600145U priority patent/JP3216709U/ja
Priority to MYPI2018700067A priority patent/MY185555A/en
Application filed by 深圳唐恩科技有限公司 filed Critical 深圳唐恩科技有限公司
Priority to RU2018104884U priority patent/RU195046U1/ru
Priority to DE212016000077.2U priority patent/DE212016000077U1/de
Priority to US15/540,447 priority patent/US10911082B2/en
Priority to AU2016391530A priority patent/AU2016391530A1/en
Priority to KR2020177000076U priority patent/KR200488585Y1/ko
Publication of WO2017133032A1 publication Critical patent/WO2017133032A1/zh
Priority to HK19100011.4A priority patent/HK1257653A1/zh
Priority to US17/165,899 priority patent/US20210234566A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/08—Constructional details, e.g. cabinet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/36—Accompaniment arrangements
    • G10H1/361—Recording/reproducing of accompaniment for use with an external source, e.g. karaoke systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces

Definitions

  • the present invention relates to the field of audio broadcasting, and in particular, to a microphone speaker integrated device.
  • Karaoke technology and application are very extensive and mature, but there are not many portable simplified devices. Individualized karaoke products are rare. It is very inconvenient to use only in professional places or fixed places. Includes a microphone with its own karaoke reverb function, which is widely used, but usually only as a separate microphone product, which requires an external speaker or other device to work.
  • the speaker Since the speaker will vibrate with the same sound frequency as the sound, when the microphone and the speaker are integrated or close to each other, the sound input from the microphone is amplified by the speaker and then transmitted to the microphone through the casing, and the microphone again will A sound of the same frequency is input and amplified again, and after repeated iterations, a strong self-feedback effect, that is, a self-exciting effect, is generated, and the sound of the same frequency (commonly known as howling) is continuously emitted in the speaker. Completely destroyed the normal use.
  • the technical problem to be solved by the present invention is to provide a microphone speaker integrated device for the above-mentioned drawbacks in the prior art.
  • a microphone speaker integrated device including a control unit, a body sound chamber, and a sound connected to the body a microphone assembly on the cavity, at least two symmetrically disposed speakers are mounted in the main body cavity, the microphone assembly includes a microphone and a microphone holder, and the microphone and the speaker are respectively electrically connected to the control unit .
  • the main body sound chamber is a cylindrical structure having a receiving cavity therein, and the main sound chamber is provided with at least two symmetrically disposed openings, each of which The horn is connected to the corresponding mortise and is sealingly connected to the mortise.
  • a horn is connected to each of the mortises, and the horn is fixed on the corresponding horn.
  • the horn casing is provided with a protective casing.
  • connection point of the microphone head and the main body sound chamber is located within a range of 0 to 20 CM of the symmetry axes of two or more of the speakers.
  • the microphone holder is made of a soft material, and the microphone holder is any one of a silicone rubber, a rubber, a TPU or a soft plastic.
  • the microphone assembly further includes a fixing base and a mesh head
  • the fixing base is fixed on an outer side wall of the main body sound chamber, and the net head is sleeved outside the microphone head and fixedly connected with the main body sound chamber.
  • a connecting rod is further included, and the connecting rod is connected to an outer side wall of the main body sound chamber.
  • control unit is fixed on an outer sidewall of the main body sound chamber, and a control component is connected to the control unit.
  • a panel is connected to an outer sidewall of the main body sound chamber.
  • the microphone speaker integrated device embodying the present invention has the following beneficial effects: First, two or more speakers are issued because two or more symmetrical speakers are installed in the sound cavity. The sound vibrations can cancel each other out, and play the role of vibration damping to prevent vibration from being transmitted to the microphone. Secondly, the distance between the axis of the microphone head and the center line of the two speakers or the plurality of speakers is in the range of 0 to 20 mm, which can be effective. Suppresses the occurrence of howling. Finally, the microphone holder of the present application is made of a soft material, which can effectively reduce the vibration of the sound, and greatly suppress the sound vibration generated by the speaker from being transmitted to the microphone.
  • FIG. 1 is an exploded view of a microphone speaker integrated device according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic structural view of a microphone speaker integrated device shown in FIG. 1.
  • a preferred embodiment of the present invention provides a microphone speaker integrated device, including a control unit 6, a main body sound chamber 1 and a microphone assembly 2 connected to the main body sound chamber 1.
  • the main body sound chamber 1 At least two symmetrical horns 3 are mounted therein.
  • the microphone assembly 2 includes a microphone head 21 and a microphone holder 22.
  • the microphone head 21 and the horn 3 are respectively electrically connected to the control unit 6, and the microphone holder 22 is made of a soft material.
  • the horn 3 includes two, and the two horns 3 are disposed opposite to each other in the main body cavity 1.
  • the main body cavity 1 is a column structure having a receiving cavity (not labeled) therein, and the outer side wall of the main body cavity 1 is provided with two ports 10 respectively communicating with the receiving cavity, and the two speakers 3 respectively It is fixed at the corresponding cornice 10 and is sealingly connected with the cornice 10.
  • the number of the mouthpieces 10 of the present embodiment corresponds to the number of the horns 3.
  • the speaker When the speaker (ie, the speaker 3) emits a sound, its diaphragm is doing a certain frequency before and after. Vibration, which vibrates the vibration of nearby air or other medium, so that the vibration propagates and the sound is transmitted.
  • the speaker 3 When there is only one speaker 3 in the main sound chamber 1, the speaker 3 will drive the whole body sound chamber 1 and all the structural members connected to the main body sound chamber 1 to generate vibration of the same frequency, when the microphone head 21 is placed in a certain part thereof. This vibration is transmitted to the microphone 21 (the acoustic self-excitation effect, that is, the howling is inevitably generated).
  • the present application utilizes the principle of phase cancellation to cause such vibrations to disappear.
  • a speaker 3 having the same performance and specifications is disposed on both sides of the main body cavity 1, and placed in the opposite direction.
  • the sounds of the same frequency occur, because they have the same phase, the same amplitude, the same frequency, and the opposite direction, when the two vibration waves meet in the medium, they cancel each other out. Weakened.
  • the two horns 3 are symmetrically disposed in the main body cavity 1, so that the vibrations emitted by the two horns 3 cancel each other, thereby avoiding the occurrence of howling by the phase cancellation principle.
  • the horn 3 may further include a plurality of horns 3 uniformly distributed in the main body cavity 1. According to the principle of phase cancellation described above, not only two horns 3, but also a plurality of horns 3, by the principle of phase cancellation, by symmetrical arrangement, the vibrations are canceled at positions close to the symmetry axes of the plurality of horns 3, and the acoustic feedback is Phase phenomena will also be avoided.
  • the horn 3 when the horn 3 includes three cymbals, the three horns 3 are symmetrically distributed in the main body cavity 1 at 120°, and then, the outer side wall of the main body cavity 1 is provided with three cymbals 10, three cymbals 10 At 120. Symmetrically disposed on the main body cavity 1, each horn 3 is mounted at the corresponding port 10 and is sealingly connected to the port 10.
  • the embodiment does not limit the mounting direction of the horn 3, and the sound outlet of the horn 3 can also be disposed toward the center of the main body cavity 1.
  • the sound outlet of the horn 3 faces the center of the main body cavity 1, it is only necessary to provide a sound hole (not shown) on the main body sound chamber 1 to transmit the sound.
  • the main body sound chamber 1 is also connected with a horn 4 and a protective shell 5, the horn 4 mainly functions to fix the horn 3 and seal the main body sound chamber 1, and the protective shell 5 can protect the horn 3 from physical damage, and Play a certain decorative role.
  • each horn 3 is fixed on the corresponding horn 4, and the horn 4 is fixedly connected to the main body cavity 1.
  • the protective case 5 is sleeved outside the horn 4.
  • the horn 3 and the horn 4, the horn 4 and the main body cavity 1 and the protective case 5 and the main body cavity 1 can be fixedly connected by screwing or snapping, etc., but are not limited to the above connection mode.
  • the microphone assembly 2 mainly includes a microphone head 21, a microphone holder 22, a holder 23, and a net head 24.
  • the microphone head 2 is fixed on the microphone holder 22, and the microphone holder 22 is connected to the main body cavity 1 through the fixing base 23.
  • the net head 24 is sleeved outside the microphone head 21 and fixedly connected with the main body sound chamber 1.
  • connection point of the microphone head 21 and the main body sound chamber 1 is in the range of 0 to 20 cm of the symmetry axis of the two speakers 3, or the connection point of the microphone head 21 and the main body sound chamber 1
  • the position is in the range of 0 to 20 cm of the symmetry axis of the plurality of horns 3.
  • the distance between the connection point of the microphone head 21 and the main body cavity 1 and the axis of symmetry of the two or more speakers 3 is 0, that is, the connection point position of the microphone head 21 and the main body cavity 1 is two or more.
  • the symmetry axes of the horns 3 coincide, and this squeaking has the best suppression effect.
  • the horn 3 is symmetrically placed on both sides of the main body cavity 1, and the position where the mic stand 22 is connected to the main body cavity 1 falls just above the symmetry axis of the two horns 3 (the mic stand 22 is connected to the main body cavity 1)
  • the microphone holder 22 can be made of a soft material, and the microphone holder 22 made of the soft material can effectively reduce the vibration of the sound.
  • the sound vibration generated by the horn 3 is greatly suppressed from being transmitted to the mic head 21.
  • the microphone holder 22 can be made of silica gel, and the silica gel has a low hardness and can effectively relax the vibration. It can be understood that the microphone holder 22 can also be selected from other soft materials, such as rubber or TPU, and soft plastics with a hardness of less than 80 degrees can be selected, as long as the hardness is low, the vibration can be effectively moderated.
  • the microphone holder 22 may have an arch shape, a hollow shape or a spring shape, but may also have other shapes, which are not limited herein.
  • the flexible material of the micro-head bracket 22 of the arch structure can avoid the weak vibration caused by the error, further break the frequency of the vibration, and ensure that the sound of the horn 3 is not transmitted to the microphone 21, and the self-feedback phenomenon of the sound does not occur. .
  • the fixing base 23 is fixed to the main body cavity 1, and the microphone holder 22 is fixed to the fixing base 23.
  • the microphone holder 22 can be screwed to the fixing base 23, or can be connected to the fixing base 23, or can be directly bonded to the fixing base 23 by means of encapsulation, glue or the like.
  • the fixing seat 23 can also be bonded and screwed It is fixed to the main body cavity 1 by means of connection or integral molding.
  • the net head 24 is sleeved outside the microphone bracket 22 for protecting the microphone head 21 from physical damage, and the net head 24 can play a certain filtering effect on the human voice and play a certain decorative role.
  • the aesthetics of the microphone are sleeved outside the microphone bracket 22 for protecting the microphone head 21 from physical damage, and the net head 24 can play a certain filtering effect on the human voice and play a certain decorative role. The aesthetics of the microphone.
  • control unit 6 is fixed on the side wall of the main body sound chamber 1, and the microphone head 21 and the speaker 3 are electrically connected to the control unit 6, respectively.
  • control unit 7 is also connected to the control unit 6 to control the function of the product and to shut down the product.
  • the specific structure and electrical connection manner of the control unit 6 and the bypass unit 7 are all conventional techniques of the prior art, and are not described herein again.
  • the microphone speaker integrated device of the present application further includes a connecting rod 8 and a battery assembly (not shown) for providing power required for the operation of the device, and the connecting rod 8 can function as a handle for the user to grip hold.
  • the battery pack is mounted in the connecting rod 8, and the connecting rod 8 is connected to one end surface of the main body cavity 1 facing away from the microphone unit 2, and is coaxial with the microphone head 21.
  • the present embodiment does not limit the specific connection position of the connecting rod 8, and the connecting rod 8 can also be attached to the other end faces of the main body chamber 1.
  • the outer side wall of the main body cavity 1 is further provided with a panel 9, and the panel 9 can protect the control unit 6 and the shut-off assembly 7 from physical damage, and the same can also function as a decorative product.

Abstract

本发明公开了一种麦克风音箱一体设备，包括控制单元、主体音腔及连接在所述主体音腔上的麦克风组件，所述主体音腔内安装有至少两个对称设置的喇叭，所述麦克风组件包括咪头及咪头支架，所述咪头及所述喇叭分别与所述控制单元电连接，所述咪头支架由软质材料制成。本发明的有益效果：由于音腔内安装有两个或多个对称设置的喇叭，使得两个或多个喇叭发出的声音振动能够相互抵消，起到消振的作用，避免振动传递至咪头。

Description

发明名称：一种麦克风音箱一体设备
技术领域
[0001] 本发明涉及一种音频播放领域， 尤其涉及一种麦克风音箱一体设备。
背景技术
[0002] 卡拉 0K技术及应用非常广泛而成熟， 但便携式的简化设备不多， 个体化的卡 拉 OK产品更是极少， 只有在专业场所或者固定场所使用， 十分不便， 而现有各 种麦克风包括自带卡拉 OK混响功能的麦克风， 应用广泛， 但通常只是作为单独 麦克风产品， 需要外接音箱或其它设备配合才能使用。 因音箱会随着声音产生 和声音频率相同的振动， 当麦克风和音箱为一体或者紧紧靠近的吋候， 从麦克 风输入的声音经音箱放大后又经外壳传递到麦克风， 这吋麦克风再次将这一相 同频率的声音输入并再次放大， 经过多次反复放大， 于是产生强烈地自反馈效 应， 即自激效应， 这吋音箱里便发出持续， 不断加强地相同频率的声音 （俗称 啸叫） ， 完全破坏了正常的使用。
[0003] 当然， 也有一些设计， 将声音的频率进行变化处理， 使输入的声音频率或者频 相与输出的频率或频相不一样， 从而避免啸叫的发生； 或者通过实际运用或计 算， 去除一些特定的频点等等， 以避免啸叫等等。 但这些方法都使声音严重失 真， 无法达到良好的音质要求。
[0004] 因此， 如何在不改变甚至提升音质的条件下， 使麦克风和音箱合二为一， 做到 便携小巧， 又具有直接的卡拉 OK效果， 让人们可以随吋随地享受歌唱， 享受音 乐带来的乐趣， 成为了许多人的梦想。
技术问题
[0005] 本发明要解决的技术问题在于， 针对现有技术中的上述缺陷， 提供一种麦克风 音箱一体设备。
问题的解决方案
技术解决方案
[0006] 提供一种麦克风音箱一体设备， 包括控制单元、 主体音腔及连接在所述主体音 腔上的麦克风组件， 所述主体音腔内安装有至少两个对称设置的喇叭， 所述麦 克风组件包括咪头及咪头支架， 所述咪头及所述喇叭分别与所述控制单元电连 接。
[0007] 在本发明所述的麦克风音箱一体设备中， 所述主体音腔为内部具有容纳腔的柱 体结构， 所述主体音腔上幵设有至少两个对称设置的幵口， 每一所述喇叭连接 在对应的所述幵口上、 并与所述幵口密封连接。
[0008] 在本发明所述的麦克风音箱一体设备中， 每一所述幵口处连接有喇叭筒， 所述 喇叭固定在对应的所述喇叭筒上。
[0009] 在本发明所述的麦克风音箱一体设备中， 所述喇叭筒外套设有保护壳。
[0010] 在本发明所述的麦克风音箱一体设备中， 所述咪头与所述主体音腔的连接点位 置在两个或多个所述喇叭的对称轴的 0~20CM范围之内。
[0011] 在本发明所述的麦克风音箱一体设备中， 所述咪头支架由软质材料制成， 所述 咪头支架为硅胶、 橡胶、 TPU或软塑胶中的任意一种。
[0012] 在本发明所述的麦克风音箱一体设备中， 所述麦克风组件还包括固定座及网头
， 所述固定座固定在所述主体音腔的外侧壁上， 所述网头套设在所述咪头外、 并与所述主体音腔固定连接。
[0013] 在本发明所述的麦克风音箱一体设备中， 还包括连接杆， 所述连接杆连接在所 述主体音腔的外侧壁上。
[0014] 在本发明所述的麦克风音箱一体设备中， 所述控制单元固定在所述主体音腔的 外侧壁上， 所述控制单元上连接有幵关组件。
[0015] 在本发明所述的麦克风音箱一体设备中， 所述主体音腔的外侧壁上连接有面板
发明的有益效果
有益效果
[0016] 综上所述， 实施本发明的一种麦克风音箱一体设备， 具有以下有益效果： 首先 ， 由于音腔内安装有两个或多个对称设置的喇叭， 使得两个或多个喇叭发出的 声音振动能够相互抵消， 起到消振的作用， 避免振动传递至咪头。 其次， 咪头 的轴线与两个喇叭或多个喇叭的中心线之间的距离在 0~20mm范围内， 可以有效 抑制啸叫的发生。 最后， 本申请的咪头支架采用软质材料制成， 可以有效的减 缓声音的振动， 极大的抑制喇叭产生的声音振动传递到咪头上。
对附图的简要说明
附图说明
[0017] 下面将结合附图及实施例对本发明作进一步说明， 附图中：
[0018] 图 1是本发明较佳实施例提供的一种麦克风音箱一体设备的爆炸图；
[0019] 图 2是图 1所示一种麦克风音箱一体设备的结构示意图。
[0020]
本发明的实施方式
[0021] 为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图及实施例 ， 对本发明进行进一步详细说明。 应当理解， 此处所描述的具体实施例仅仅用 以解释本发明， 并不用于限定本发明。
[0022] 如图 1所示， 本发明较佳实施例提供了一种麦克风音箱一体设备， 包括控制单 元 6、 主体音腔 1及连接在主体音腔 1上的麦克风组件 2， 主体音腔 1内安装有至少 两个对称设置的喇叭 3， 麦克风组件 2包括咪头 21及咪头支架 22， 咪头 21及喇叭 3 分别与控制单元 6电连接， 咪头支架 22由软质材料制成。
[0023] 本实施例中， 喇叭 3包括两个， 两个喇叭 3相背的设置在主体音腔 1内。 具体的 ， 主体音腔 1为内部具有容纳腔 （未标号） 的柱体结构， 主体音腔 1的外侧壁上 幵设有两个分别与容纳腔相连通的幵口 10， 两个喇叭 3分别固定在对应的幵口 10 处， 并与幵口 10密封连接。 可以理解的是， 本实施例的幵口 10的数量与喇叭 3的 数量相对应， 当喇叭 3连接在幵口 10上吋， 喇叭 3与主体音腔 1围成一个密封的腔 体。
[0024] 使用吋， 声音和振动主要通过两种途径传递到咪头 21上， 一种是通过空气的声 波传递， 另一种是通过固体结构件传递到咪头 21上。 从空气传递的声波强度不 是很大， 但是固体结构件传导上来的声音和振动非常强烈， 往往会发生强烈的 自反馈效应， 即自激效应 （同一声音频率经过不断放大） ， 这吋喇叭 3里就会发 处持续的不断加强的某固定频率的声音， 俗称啸叫， 完全破坏产品的正常使用 [0025] 由于声音是一种通过振动而产生和传播的波， 它的本质是一种振动的力， 当扬 声器 （即喇叭 3) 发出声音的吋候， 它的振膜正在做特定频率的前后振动， 这个 振动推动着附近的空气或者其它介质的振动， 于是这种振动便传播出去， 声音 也便得到了传播。 当主体音腔 1里只有一个喇叭 3吋， 喇叭 3便会带动整个主体音 腔 1以及和主体音腔 1相连的所有结构件产生相同频率的振动， 当咪头 21放置在 它的某个部位， 这种振动便传递给了咪头 21 (声自激效应即啸叫便不可避免地 产生了） 。
[0026] 为了在某个特定的位置让这种振动减弱甚至消失， 避免发生啸叫反应， 本申请 利用相位抵消的原理让这种振动消失。 具体地说， 在主体音腔 1的两边各设置一 个性能、 规格完全相同的喇叭 3， 并且相反方向放置。 当同一个频率的声音发生 的吋候， 因为它们的相位相同， 振幅相同， 频率相同， 而方向却是相反的， 所 以当这两个振动波在介质中相遇的吋候， 就会互相抵消、 减弱。
[0027] 本实施例通过将两个喇叭 3对称设置在主体音腔 1内， 使两个喇叭 3发出的振动 相互抵消， 从而利用相位抵消原理避免啸叫的产生。 可以理解的是， 本实施例 并不限定安装在主体音腔 1内的喇叭 3的数量， 喇叭 3还可以包括多个， 多个喇叭 3均匀分布在主体音腔 1内。 根据上述相位抵消的原理， 不仅是两个喇叭 3， 只要 多个喇叭 3利用相位抵消的原理， 通过对称排列， 在靠近多个喇叭 3的对称轴的 位置上， 振动一样会被抵消， 声反馈相现象也会避免。 例如， 当喇叭 3包括三个 吋， 三个喇叭 3呈 120°对称分布在主体音腔 1内， 此吋， 主体音腔 1的外侧壁上幵 设有三个幵口 10， 三个幵口 10呈 120。对称设置在主体音腔 1上， 每一喇叭 3安装在 对应的幵口 10处、 并与幵口 10密封连接。
[0028] 此外， 本实施例也不限定喇叭 3的安装方向， 喇叭 3的出声口还可以朝向主体音 腔 1的中心处设置。 当喇叭 3的出声口朝向主体音腔 1的中心处吋， 只需在主体音 腔 1上幵设音孔 （未示出） ， 使声音传出即可。
[0029] 主体音腔 1上还连接有喇叭筒 4及保护壳 5， 喇叭筒 4主要起到固定喇叭 3和密封 主体音腔 1的作用， 保护壳 5可以保护喇叭 3不受物理损坏， 并起到一定的装饰作 用。 具体的， 每一喇叭 3固定在对应的喇叭筒 4上， 喇叭筒 4与主体音腔 1固定连 接， 保护壳 5套设在喇叭筒 4外。 喇叭 3与喇叭筒 4、 喇叭筒 4与主体音腔 1及保护 壳 5与主体音腔 1之间可以通过螺纹或扣合等方式固定连接， 但是并不限于上述 连接方式。
[0030] 麦克风组件 2主要包括咪头 21、 咪头支架 22、 固定座 23和网头 24。 其中， 咪头 2 1固定在咪头支架 22上， 咪头支架 22通过固定座 23连接在主体音腔 1上， 网头 24 套设在咪头 21外并与主体音腔 1固定连接。
[0031] 为了有效抑制啸叫的发生， 咪头 21与主体音腔 1的连接点位置在两个喇叭 3的对 称轴的 0~20cm范围内， 或咪头 21与主体音腔 1的连接点位置在多个喇叭 3的对称 轴的 0~20cm范围内。 优选的， 咪头 21与主体音腔 1的连接点位置与两个或多个喇 叭 3的对称轴之间距离为 0， 即咪头 21与主体音腔 1的连接点位置与两个或多个喇 叭 3的对称轴重合， 此吋啸叫的抑制效果最好。 喇叭 3对称放在主体音腔 1的两边 ， 而咪头支架 22与主体音腔 1连接的位置， 恰恰落在两只喇叭 3的对称轴之上 ( 咪头支架 22与主体音腔 1连接的位置越靠近对称轴， 喇叭 3产生的振动越小） ， 所以声音产生的振动， 在这个位置被完全抵消了， 不会再传递到咪头 21上来， 确保不会把喇叭 3的声音传递给咪头 21， 声音的自反馈现象也便不会发生。
[0032] 为了降低从固体结构件传递到咪头 21上的声音振动， 可以将咪头支架 22采用软 质材料制得， 这种软质材料制成的咪头支架 22可以有效减缓声音的振动， 极大 的抑制喇叭 3产生的声音振动传递到咪头 21上。
[0033] 优选的， 咪头支架 22可以由硅胶制成， 由于硅胶的硬度较低， 能有效起到缓振 的作用。 可以理解的是， 咪头支架 22也可以选择其它软质材料， 如橡胶或者 TPU ， 也可以选用硬度在 80度以下的软塑胶， 只要硬度较低能够有效缓振即可。
[0034] 优选的， 咪头支架 22可以呈拱形结构、 镂空状或弹簧状， 但也可以是其它形状 ， 在此不做限制。 拱形结构的柔性材质的咪头支架 22， 可以避免因误差引起的 微弱振动， 进一步打破振动的频率， 确保不把喇叭 3的声音传递给咪头 21， 声音 的自反馈现象也便不会发生。
[0035] 固定座 23固定在主体音腔 1上， 咪头支架 22固定在固定座 23上。 咪头支架 22可 以通过螺纹连接在固定座 23上， 也可以与固定座 23插接相连， 也可以直接通过 包胶、 采用胶水等方式粘接在固定座 23上。 固定座 23也可以通过粘接、 螺纹连 接或一体成型等方式固定在主体音腔 1上。
[0036] 网头 24套设在咪头支架 22外， 以用于保护咪头 21不受物理破坏， 网头 24可以对 人的声音起到一定的过滤作用， 并起一定的装饰作用， 增加麦克风的美观性。
[0037] 控制单元 6固定在主体音腔 1的侧壁上， 咪头 21与喇叭 3分别与控制单元 6电连接
。 控制单元 6上还连接有幵关组件 7， 以控制产品的功能和幵关机。 由于控制单 元 6与幵关组件 7的具体结构及电连接方式均为现有技术的惯用技术手段， 在此 不再赘述。
[0038] 本申请的麦克风音箱一体设备还包括连接杆 8及用于为该设备提供工作所需电 能的电池组件 （未示出） ， 连接杆 8可以起到手柄的作用， 以方便使用者握持。 本实施例中， 电池组件安装在连接杆 8内， 连接杆 8连接在主体音腔 1背离麦克风 组件 2的一端面上， 并与咪头 21共轴线。 但是本实施例并不限定连接杆 8的具体 连接位置， 连接杆 8还可以连接在主体音腔 1的其它端面上。
[0039] 进一步的， 主体音腔 1的外侧壁上还安装有面板 9， 面板 9可以保护控制单元 6及 幵关组件 7不受物理损坏， 同吋也可以起到装饰产品的作用。
[0040] 虽然本发明是通过具体实施例进行说明的， 本领域技术人员应当明白， 在不脱 离本发明范围的情况下， 还可以对本发明进行各种变换及等同替代。 另外， 针 对特定情形或材料， 可以对本发明做各种修改， 而不脱离本发明的范围。 因此 ， 本发明不局限于所公幵的具体实施例， 而应当包括落入本发明权利要求范围 内的全部实施方式。

Claims

权利要求书
[权利要求 1] 一种麦克风音箱一体设备， 其特征在于， 包括控制单元 （6) 、 主体 音腔 （1) 及连接在所述主体音腔 （1) 上的麦克风组件 （2) ， 所述 主体音腔 （1) 内安装有至少两个对称设置的喇叭 （3) ， 所述麦克风 组件 （2) 包括咪头 （21) 及咪头支架 (22) ， 所述咪头 （21) 及所 述喇叭 （3) 分别与所述控制单元 （6) 电连接。
[权利要求 2] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 所述主体 音腔 （1) 为内部具有容纳腔的柱体结构， 所述主体音腔 （1) 上幵设 有至少两个对称设置的幵口 （10) ， 每一所述喇叭 （3) 连接在对应 的所述幵口 （10) 上、 并与所述幵口 （10) 密封连接。
[权利要求 3] 根据权利要求 2所述的麦克风音箱一体设备， 其特征在于， 每一所述 幵口 （10) 处连接有喇叭筒 （4) ， 所述喇叭 （3) 固定在对应的所述 喇叭筒 （4) 上。
[权利要求 4] 根据权利要求 3所述的麦克风音箱一体设备， 其特征在于， 所述喇叭 筒 （4) 外套设有保护壳 （5) 。
[权利要求 5] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 所述咪头
(21) 与所述主体音腔 （1) 的连接点位置在两个或多个所述喇叭 （3 ) 的对称轴的 0~20CM范围之内。
[权利要求 6] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 所述咪头 支架 （22) 由软质材料制成， 所述咪头支架 （22) 为硅胶、 橡胶、 T PU或软塑胶中的任意一种。
[权利要求 7] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 所述麦克 风组件 （2) 还包括固定座 （23) 及网头 （24) ， 所述固定座 （23) 固定在所述主体音腔 （1) 的外侧壁上， 所述网头 （24) 套设在所述 咪头 （21) 外、 并与所述主体音腔 （1) 固定连接。
[权利要求 8] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 还包括连 接杆 （8) ， 所述连接杆 （8) 连接在所述主体音腔 （1) 的外侧壁上
[权利要求 9] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 所述控制 单元 （6) 固定在所述主体音腔 （1) 的外侧壁上， 所述控制单元 （6 ) 上连接有幵关组件 （7) 。
[权利要求 10] 根据权利要求 1所述的麦克风音箱一体设备， 其特征在于， 所述主体 音腔 （1) 的外侧壁上连接有面板 （9) 。
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HK1257653A1 (zh) 2019-10-25
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TR201809506T6 (tr) 2018-07-23
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