WO2018024211A1 - 喇叭单体 - Google Patents

喇叭单体 Download PDF

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Publication number
WO2018024211A1
WO2018024211A1 PCT/CN2017/095599 CN2017095599W WO2018024211A1 WO 2018024211 A1 WO2018024211 A1 WO 2018024211A1 CN 2017095599 W CN2017095599 W CN 2017095599W WO 2018024211 A1 WO2018024211 A1 WO 2018024211A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
housing
elastic member
horn unit
cylindrical magnet
Prior art date
Application number
PCT/CN2017/095599
Other languages
English (en)
French (fr)
Inventor
谢冠宏
游博丞
邱士嘉
Original Assignee
万魔声学科技有限公司
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
Application filed by 万魔声学科技有限公司 filed Critical 万魔声学科技有限公司
Priority to US15/572,397 priority Critical patent/US10375480B2/en
Publication of WO2018024211A1 publication Critical patent/WO2018024211A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/12Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K33/00Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/18Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/03Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/07Suspension between moving magnetic core and housing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Definitions

  • the present invention relates to the field of horn technology, and in particular to a horn unit.
  • the dynamic earphone includes a magnetic component, a voice coil and a diaphragm, and the voice coil is located in a magnetic field of the magnetic component.
  • the voice coil is an audio electrical signal under the action of the magnetic field force.
  • the frequency vibrates and simultaneously vibrates the diaphragm at the same frequency, thereby reducing the audio electrical signal to sound.
  • the magnetic components in the dynamic earphones are fixed, and the vibration of the voice coil drives the diaphragm to generate vibration, thereby emitting a low-frequency sound, which lacks a certain dynamic effect.
  • a horn unit includes a housing, a magnetic component disposed in the housing, a diaphragm disposed on the housing, a first voice coil coupled to the diaphragm, and a housing coupled to the housing And an elastic member between the magnetic component; the magnetic component follows the elastic member to vibrate relative to the housing when the elastic member vibrates.
  • FIG. 1 is a schematic structural view of a horn unit vertically disposed in a wave type elastic member in an embodiment
  • FIG. 2 is a schematic structural view of a horn unit horizontally disposed of a wave-shaped elastic member in an embodiment
  • FIG. 3 is a schematic structural view of a horn unit horizontally disposed in a linear elastic member according to an embodiment
  • FIG. 4 is a schematic structural view of a horn unit horizontally disposed of a wave-shaped elastic member in another embodiment
  • FIG. 5 is a schematic structural view of a horn unit vertically disposed in a wave type elastic member in another embodiment
  • FIG. 6 is a top plan view of a magnetic component in another embodiment
  • FIG. 7 is a schematic structural view of a horn unit in still another embodiment
  • Figure 8 is a schematic structural view of a circular elastic piece
  • FIG. 9 is a schematic structural view of a limiting member in an embodiment
  • FIG. 10 is a schematic structural view of a limit structure in an embodiment
  • FIG. 11 is a schematic structural view of a limit structure in another embodiment.
  • a speaker unit includes a housing 100, a magnetic assembly 300, an elastic member 400, and a sounding assembly 200.
  • the magnetic assembly 300 and the sounding assembly 200 are located in the housing 100, and the elastic member 400 is coupled to Between the housing 100 and the magnetic assembly 300, the elastic member 400 suspends the magnetic assembly 300 in the housing 100, that is, the magnetic resistance member 300 is not in direct contact with the housing 100; and the elastic member 400 supports and elastically acts.
  • the magnetic component 300 can vibrate in the housing 100;
  • the sounding component 200 includes a diaphragm 220 and a first voice coil 210a, the diaphragm 220 is coupled to the housing 100, and the first voice coil 210a is mounted on the diaphragm 220, the first sound
  • the vibration of the ring 210a will drive the diaphragm 220 to generate vibration; wherein, when the elastic member 400 vibrates, the magnetic assembly 300 follows the elastic member 400 to vibrate up and down with respect to the housing 100.
  • the housing 100 includes a bracket 110 and a protective cover 120.
  • the bracket 110 is mounted on the protective cover 120.
  • the bracket 110 and the protective cover 120 may be formed by a separate structure or an integrally formed structure; the bracket 110 and the protective cover 120 collectively encloses a sleeve-like structure having an opening 111.
  • the magnetic assembly 300 may vibrate violently with respect to the housing 100; since the protective cover 120 confines the magnetic assembly 300 within the housing 100, The amplitude of the vibration of the magnetic assembly 300 is limited by the protective cover 120, thereby preventing the magnetic assembly 300 from damaging the diaphragm 220 or oscillating the housing 100 due to excessive amplitude.
  • the magnetic assembly 300 includes a first magnetic sleeve 310a and a first cylindrical magnet 310b, and the axial section of the first magnetic sleeve 310a is generally U-shaped.
  • the first cylindrical magnet 310b includes a first magnetic steel 310b1 and a first washer 310b2.
  • the first magnetic sleeve 310a includes a first magnetic bottom cover 310a2 and a first magnetic sleeve body 310a1.
  • the first magnetic sleeve body 310a1 is mounted on an edge of the first magnetic bottom cover 310a2, and the first magnetic steel 310b1 is mounted on the first magnetic bottom cover 310a2.
  • the first washer 310b2 is fixed on the end of the first magnet 310b1 near the diaphragm 220, and the polarity of the first washer 310b2 is opposite to the polarity of the first sleeve 310a.
  • the first washer 310b2 is an N pole (positive electrode)
  • the first magnetic sleeve 310a is an S pole (negative electrode)
  • the first magnetic sleeve body 310a1 and the first cylindrical magnet 310b together form a first annular gap 510
  • the first voice coil 210a is at least partially Located in the first annular void 510.
  • the first annular gap 510 has a uniform magnetic field.
  • the first voice coil 210a is an energized coil, and the current passing through the first voice coil 210a is an alternating current, according to Fleming's left hand.
  • the first voice coil 210a is subjected to the pushing and pulling vibration, thereby driving the diaphragm 220 to move vertically relative to the housing 100, more specifically, the diaphragm 220 is caused to move up and down relative to the protective cover 120, since the magnetic assembly 300 is opposite.
  • the housing 100 is suspended and supported on the elastic member 400.
  • the first voice coil 210a When the first voice coil 210a is subjected to the magnetic force generated by the magnetic assembly 300 to vibrate the diaphragm 220 to restore the audio electrical signal, the first sound is under the influence of the force and the reaction force.
  • the ring 210a applies a reaction force to the magnetic assembly 300 that is the same as the magnetic force, so that the magnetic assembly 300 also vibrates perpendicularly with respect to the housing 100, and the vibration of the magnetic assembly 300 is transmitted to the eardrum of the user through the bone, so that the speaker is pronounced. It has a certain dynamic feeling, enhances the user's dynamic experience, no need to add other components, and only needs to use the vibration of the magnetic component 300 itself to achieve the above purpose.
  • the magnetic assembly 300 includes a second magnetic sleeve 320a and a second cylindrical magnet 320b.
  • the second cylindrical magnet 320b and the second magnetic sleeve 320a have opposite polarities.
  • the magnetic sleeve 320a includes a second magnetic bottom cover 320a2, a second magnetic sleeve body 320a1, and a third magnetic sleeve body 320a3.
  • the second magnetic sleeve body 320a1 and the third magnetic sleeve body 320a3 have the same polarity.
  • the third magnetic sleeve body 320a3 is enclosed in the second magnetic sleeve body 320a1, the second magnetic sleeve body 320a1 is connected to the edge of the second magnetic bottom cover 320a2, and the second cylindrical magnet 320b is connected to the second magnetic bottom cover 320a2, and Located in the annular groove surrounded by the second magnetic sleeve body 320a1 and the third magnetic sleeve body 320a3, that is, the third magnetic sleeve body 320a3 is surrounded by the second cylindrical magnet 320b, and the second cylindrical magnet 320b is again The second magnetic sleeve body 320a1 is surrounded.
  • the second cylindrical magnet 320b includes a second magnetic steel 320b1 and a second washer 320b2, the second magnet 320b1 is coupled to the second magnetic bottom cover 320a2, and the second washer 320b2 is mounted on the other end of the second magnetic steel 320b1.
  • a second annular gap 520 is defined between the second cylindrical magnet 320b and the third magnetic sleeve 320a3, and a third annular gap 530 is defined between the second cylindrical magnet 320b and the second magnetic sleeve 320a1.
  • the horn unit further includes a second voice coil 210b coupled to the housing 100, the second voice coil 210b is mounted on the housing 100 and located in the third annular gap 530, and the first voice coil 210a is located in the second annular gap 520. Since the third cylindrical magnet 320b is located between the second magnetic sleeve body 320a1 and the second cylindrical magnet 320a3, the third annular space 530 and the second annular space 520 are independently formed. There is a magnetic field of uniform intensity.
  • the energized first voice coil 210a and the second voice coil 210b are both subjected to the magnetic force generated by the magnetic component 300 due to
  • the first voice coil 210a needs to drive the diaphragm 220 to restore the electrical signal to sound.
  • the reaction force of the same magnetic force acting on the magnetic component 300 of the first voice coil 210a is relatively weak, and the second voice coil 210b is fixedly connected to the housing at one end.
  • the reaction force of the same magnetic force acting on the magnetic component 300 of the second voice coil 210b is stronger, and the vertical vibration of the magnetic component 300 is strengthened, because the second voice coil
  • the vibration strengthening effect of the 210b, the magnetic component 300 is subjected to a stronger reaction force, and is more capable of driving the magnetic assembly 300 to move vertically relative to the housing, thereby providing a more powerful dynamic effect.
  • a speaker unit includes a housing 100, a diaphragm 220, a magnetic assembly 300, an elastic member 400, an auxiliary magnetic assembly 600, a first voice coil 210a, and a second voice coil 210b;
  • the component 300 is disposed in the housing 100, and the diaphragm 220 is disposed on the housing 100.
  • One end of the first voice coil 210a is connected to the diaphragm 220, and the other end extends to the magnetic field of the auxiliary magnetic component 600.
  • One end of the second voice coil 210b is The housing 100 is connected and the other end extends into the magnetic field of the magnetic assembly 300; the elastic member 400 is coupled between the housing 100 and the magnetic assembly 300.
  • the auxiliary magnetic assembly 600 may be disposed at the opening 111 of the housing 100, and the structure of the auxiliary magnetic assembly 600 is the same as that of the magnetic assembly 300 described above with reference to FIGS. 4, 5, and 6.
  • the auxiliary magnetic component 600 includes a second magnetic sleeve 320a and a second cylindrical magnet 320b;
  • the second magnetic sleeve 320a includes a second magnetic bottom cover 320a2, a second magnetic sleeve body 320a1, and a third magnetic sleeve body 320a3;
  • the magnetic sleeve body 320a1 and the third magnetic sleeve body 320a3 are connected to the edge of the second magnetic bottom cover 320a2;
  • the second cylindrical magnet 320b is connected to the second magnetic bottom cover 320a2 and located at the second magnetic sleeve body 320a1 and the third magnetic sleeve body.
  • a second annular space 520 is defined between the second cylindrical magnet 320b and the third magnetic sleeve body 320a3, and the second cylindrical magnet 320b and the second magnetic sleeve body 320a1 are surrounded by a third annular space 520.
  • the annular gap 530, the other end of the first voice coil 210a extends into the second annular gap 520.
  • the magnetic assembly 300 includes a first magnetic sleeve 310a and a first cylindrical magnet 310b.
  • the first magnetic sleeve 310a has a U-shaped overall axial section.
  • the first cylindrical magnet 310b includes a first magnetic steel 310b1 and a first washer 310b2.
  • the first magnetic sleeve 310a includes a first magnetic bottom cover 310a2 and a first magnetic sleeve body 310a1,
  • the first magnetic sleeve body 310a1 is mounted on the edge of the first magnetic bottom cover 310a2, the first magnetic steel 310b1 is mounted at the center of the first magnetic bottom cover 310a2, and the first washer 310b2 is fixed to the first magnetic steel 310b1 near the diaphragm 220.
  • the polarity of the first washer 310b2 is opposite to the polarity of the first magnetic sleeve 310a.
  • the first washer 310b2 is an N pole (positive pole)
  • the first magnetic sleeve 310a is an S pole (negative pole).
  • the first magnetic sleeve body 310a1 and the first cylindrical magnet 310b together define a first annular space 510, and the second voice coil 210b is located in the first annular space 510.
  • the auxiliary magnetic component 600 drives the second voice coil 210b, it is only used to drive the diaphragm 220 to sound separately; the magnetic component 300 drives the first voice coil 210a, and the reaction force generated by the first voice coil 210a is solely used to drive the magnetic component 300.
  • the vertical motion; the sound and the vibration sound are separated from each other, and the sound quality of the auxiliary magnetic component 600 is not affected, and the vibration sound effect caused by the vibration sound generated by the vibration of the magnetic component 300 is not affected.
  • the elastic member 400 may be a strip-shaped elastic piece which is uniformly distributed radially around the circumferential direction of the magnetic assembly 300, and the number of the strip-shaped elastic pieces is two, three or even more according to the magnetic assembly 300.
  • the weight can be determined by using a reasonable number of strips of shrapnel. Of course, the strips can be straight or have a wave shape with a number of bends.
  • the elastic member 400 may also be a circular elastic piece such as a butterfly spring or the like. As shown in FIG. 8, the edge of the circular elastic piece is evenly spaced apart with a plurality of through holes 410.
  • the through hole 410 can reduce the weight of the circular elastic piece; the circular elastic piece can also be provided with a boss to enhance the overall elasticity of the circular elastic piece.
  • the elastic member 400 may be coupled between the magnetic assembly 300 and the bracket 110, that is, one end (fixed end) of the elastic member 400 is mounted on the bracket 110, and the magnetic assembly 300 is mounted on the other end of the elastic member 400. (Free end), at this time, the elastic member 400 is in a horizontally disposed state. When vibrating, the free end of the elastic member 400 generates an angular displacement of the upper and lower swings with respect to the fixed end thereof. It can be understood that, as shown in FIG. 5, the elastic member 400 is also The magnetic assembly 300 can be pulled up on the elastic member 400, that is, the magnetic assembly 300 is suspended from the elastic member 400; of course, as shown in FIG.
  • the elastic member 400 can also be coupled to the magnetic assembly 300 and the protective cover 120. Between the end, that is, one end (fixed end) of the elastic member 400 is mounted on the protective cover 120, and the magnetic assembly 300 is mounted on the (free end) of the elastic member 400. At this time, the elastic member 400 is in a vertical state, the magnetic component 300 pairs of elastic members 400 generate pressure, That is, the elastic member 400 forms an elastic supporting action on the magnetic assembly 300. When vibrating, the free end of the elastic member 400 generates vertical vertical movement with respect to the fixed end thereof.
  • a limiting structure may be disposed within the housing such that the magnetic assembly 300 vibrates with the elastic member 400 within a limited range.
  • the limiting structure can limit the vibration amplitude of the magnetic component 300 to a certain range by limiting the vibration amplitude of the elastic member 400, or can be disposed by
  • the structure between the magnetic assembly 300 and the housing 100 limits the magnitude of movement of the magnetic assembly 300 relative to the housing 100; of course, the limiting structure can simultaneously limit the amplitude of vibration of the resilient member 400 and the magnetoresistive member 300 relative to the housing 100. .
  • the limiting structure includes a limiting member 710 ; the outer side 710 a of the limiting member 710 is fixed on the housing 100 , and the inner side 710 b of the limiting member 710 is in clearance with the magnetic assembly 300 . That is to say, when the magnetic assembly 300 vibrates with the elastic member 400, since there is a gap between the inner side 710b of the limiting member 710 and the magnetic assembly 300, the limiting member 710 does not interfere with the vibration effect of the magnetic assembly 300.
  • the limiting member 710 has a plurality of limiting manners for the elastic member 400.
  • the limiting member 710 has an extending portion 711 adjacent to the side 710b of the magnetic component 300. There is a gap between the extending portion 711 and the elastic member 400 to satisfy the normal vibration space of the magnetic component 300.
  • the extending portion 711 limits the vibration amplitude of the elastic member 400. Therefore, the magnetic assembly 300 follows the elastic member.
  • the extension portion 711 limits the amplitude of vibration of the elastic member 400 when the housing is vibrated.
  • the limiting structure 700 further includes a stopping member 720.
  • the stopping member 720 is fixedly sleeved on the magnetoresistive member 300.
  • the stopping member 720 is provided with a recess 721, and the limiting member 710 is disposed.
  • the insertion end 712 is movably inserted into the recess 721; thus, when the magnetic assembly 300 follows the elastic member 400 to vibrate relative to the housing 100, the relative movement between the insertion end 712 and the recess 721 is Restricted in the recess 721, and thus fixedly connected to the stopper 720 and the limiting member 710
  • the magnitude of the relative vibration between the magnetic assembly 300 and the housing 100 will also be limited.
  • the stopper 720 has an insertion end 722, and the limiting member 710 is provided with a groove 713; the insertion end 722 is movably inserted into the groove 713; thus, when the magnetic assembly 300 When the elastic member 400 vibrates relative to the housing 100, since the relative movement between the insertion end 722 and the recess 713 is restricted in the recess 713, the magnetic assembly fixedly coupled to the stopper 720 and the limiting member 710, respectively The magnitude of the relative vibration between 300 and housing 100 will also be limited.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)

Abstract

一种喇叭单体,包括壳体(100)、设于壳体(100)内的磁组件(300)、设于壳体(100)上的振膜(220)、与振膜(220)连接的第一音圈(210a)、及连接在壳体(100)和磁组件(300)之间的弹性件(400);当弹性件(400)振动时,磁组件(300)跟随弹性件(300)相对壳体(100)振动。使得喇叭单体的发音具有一定的动感,增强了用户的动感体验。

Description

喇叭单体
本申请要求于2016年8月03日提交中国专利局,申请号为201620835117.6,发明名称为“喇叭单体”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本发明涉及喇叭技术领域,特别是涉及一种喇叭单体。
背景技术
一般地,动圈耳机包括磁组件,音圈和振膜,音圈位于磁组件的磁场中,当一定频率的音频电信号流经音圈时,音圈在磁场力的作用下以音频电信号的频率振动,并同时以相同频率带动振膜振动,从而将音频电信号还原成声音。但是,动圈耳机中的磁组件是固定不动的,音圈的振动带动振膜产生振动,从而发出低沉的低频声音,缺乏一定的动感效果。
发明内容
基于此,有必要提供一种能具备动感特征以提高发音效果的喇叭单体及包含该喇叭单体的耳机。
一种喇叭单体,包括壳体、设于所述壳体内的磁组件、设于所述壳体上的振膜、与所述振膜连接的第一音圈、及连接在所述壳体和所述磁组件之间的弹性件;当所述弹性件振动时,所述磁组件跟随所述弹性件相对所述壳体振动。
本发明的一个或多个实施例的细节在下面的附图和描述中提出。本发明的其它特征、目的和优点将从说明书、附图以及权利要求书变得明显。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为一实施例中波浪型弹性件竖直设置的喇叭单体的结构示意图;
图2为一实施例中波浪型弹性件水平设置的喇叭单体的结构示意图;
图3为一实施例中直线型弹性件水平设置的喇叭单体的结构示意图;
图4为另一实施例中波浪型弹性件水平设置的喇叭单体的结构示意图;
图5为另一实施例中波浪型弹性件竖直设置的喇叭单体的结构示意图;
图6为另一实施例中磁组件的俯视示意图;
图7为再一实施例中喇叭单体的结构示意图;
图8为圆形弹片的结构示意图;
图9为一实施例中限位件的结构示意图;
图10为一实施例中限位结构的结构示意图;
图11为另一实施例中限位结构的结构示意图。
具体实施方式
为了便于理解本发明,下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是,本发明可以以许多不同的形式来实现,并不限于本文所描述的实施方式。相反地,提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。
需要说明的是,当一个元件被认为是“连接”另一个元件,它可以是直接连接到另一个元件或者可能同时存在居中元件。本文所使用的术语“左”、“右”以及类似的表述只是为了说明的目的,并不表示是唯一的实施方式。
除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的,不是旨在于限制本发明。本文 所使用的术语“和/或”包括一个或多个相关的所列项目的任意的和所有的组合。
请参阅图1,根据一实施例提供的喇叭单体,包括壳体100、磁组件300、弹性件400和发音组件200,磁组件300和发音组件200位于壳体100内,弹性件400连接在壳体100和磁组件300之间,弹性件400将磁组件300悬空设置在壳体100内,也就是说,磁阻件300与壳体100没有直接接触;通过弹性件400的支撑和弹性作用,磁组件300可以在壳体100中振动;发音组件200包括振膜220和第一音圈210a,振膜220与壳体100连接,第一音圈210a安装在振膜220上,第一音圈210a的振动将带动振膜220产生振动;其中,当弹性件400振动时,磁组件300跟随弹性件400相对壳体100上下振动。
具体的,壳体100包括支架110和保护盖120,支架110安装在保护盖120上;支架110和保护盖120既可以采用分体结构连接成型,也可以采用一体成型结构;支架110和保护盖120共同围成一个套状结构,套状结构具有开口111。在一些情况下,比如喇叭单体受到冲击或被大幅度的甩动时,磁组件300可能会相对壳体100发生剧烈的振动;由于保护盖120将磁组件300限制在壳体100内,因此磁组件300的振动幅度受保护盖120限制,从而避免了磁组件300因振幅过大而破坏振膜220或振出壳体100。
参阅图1和图3,磁组件300包括第一磁套310a和第一柱形磁体310b,第一磁套310a的轴截面整体呈U型状态。第一柱形磁体310b包括第一磁钢310b1和第一华司310b2。第一磁套310a包括第一磁底盖310a2和第一磁套体310a1,第一磁套体310a1安装在第一磁底盖310a2的边缘,第一磁钢310b1安装在第一磁底盖310a2的中心,第一华司310b2则固定在第一磁钢310b1靠近振膜220的一端上,第一华司310b2的极性与第一磁套310a的极性相反,一般的,第一华司310b2为N极(正极),第一磁套310a为S极(负极),第一磁套体310a1与第一柱形磁体310b共同围成第一环形空隙510,第一音圈210a至少部分地位于第一环形空隙510中。
第一环形空隙510中具有均匀磁场,当音频电信号通过第一音圈210a时,第一音圈210a为通电线圈,通过第一音圈210a的电流为交变电流,根据弗莱明左手定则,第一音圈210a受到推及拉的振动,从而带动振膜220相对壳体100做垂直运动,更确切地说,是带动振膜220相对保护盖120产生升降运动,由于磁组件300相对壳体100悬空支放在弹性件400上,第一音圈210a受到磁组件300产生的磁力作用带动振膜220振动以还原音频电信号时,在作用力与反作用力的影响下,第一音圈210a反过来施加给磁组件300一个与磁力相同的反作用力,从而使磁组件300也相对壳体100产生垂直振动,磁组件300的振动声通过骨传导至用户耳膜,使得喇叭单体的发音具有一定的动感,增强了用户的动感体验,无需再增加其它元件,只需利用磁组件300自身的振动即可实现上述目的。
参阅图4至图6,在另一个实施例中,磁组件300包括第二磁套320a与第二柱形磁体320b,第二柱形磁体320b与第二磁套320a的极性相反,第二磁套320a包括第二磁底盖320a2、第二磁套体320a1和第三磁套体320a3,显然,第二磁套体320a1和第三磁套体320a3的极性相同。第三磁套体320a3被包围在第二磁套体320a1内,第二磁套体320a1与第二磁底盖320a2的边缘连接,第二柱形磁体320b与第二磁底盖320a2连接,并位于第二磁套体320a1与第三磁套体320a3围成的环形槽中,也就是说,第三磁套体320a3被第二柱形磁体320b所包围,而第二柱形磁体320b又被第二磁套体320a1所包围。第二柱形磁体320b包括第二磁钢320b1和第二华司320b2,第二磁钢320b1与第二磁底盖320a2连接,第二华司320b2则安装在第二磁钢320b1的另一端上。第二柱形磁体320b与第三磁套体320a3之间围成第二环形空隙520,第二柱形磁体320b与第二磁套体320a1之间围成第三环形空隙530。
喇叭单体还包括连接在壳体100上的第二音圈210b,第二音圈210b安装在壳体100上并位于第三环形空隙530中,第一音圈210a位于第二环形空隙520中,由于第三柱形磁体320b刚好位于第二磁套体320a1与第二柱形磁体320a3之间,因此,第三环形空隙530和第二环形空隙520中均独立形成 有强度均匀的磁场,当第一音圈210a和第二音圈210b中有音频电信号通过时,通电的第一音圈210a和第二音圈210b均受到磁组件300产生的磁力作用,由于第一音圈210a需带动振膜220将电信号还原成声音,第一音圈210a作用在磁组件300上的相同磁力的反作用力相对较弱,而第二音圈210b一端固定连接在壳体100上,受到磁组件300的磁力作用时还是静止状态,则第二音圈210b作用在磁组件300上的相同磁力的反作用力更强,加强了磁组件300的垂直振动,由于第二音圈210b的振动加强作用,磁组件300受到的反作用力更强,更能带动磁组件300相对壳体做垂直运动,从而带来更为强劲的动感效果。
参阅图7,根据再一实施例提供的喇叭单体,包括壳体100、振膜220、磁组件300、弹性件400、辅助磁组件600、第一音圈210a及第二音圈210b;磁组件300设于壳体100内,振膜220设于壳体100上;第一音圈210a一端与振膜220连接,另一端延伸至辅助磁组件600的磁场中;第二音圈210b一端与壳体100连接,另一端延伸至磁组件300的磁场中;弹性件400连接在壳体100和磁组件300之间。当弹性件400振动时,磁组件300跟随弹性件400相对壳体振动。辅助磁组件600可以设置在壳体100的开口111处,辅助磁组件600的结构与前述图4、图5和图6描述的磁组件300的结构相同。
具体的,辅助磁组件600包括第二磁套320a及第二柱形磁体320b;第二磁套320a包括第二磁底盖320a2、第二磁套体320a1和第三磁套体320a3;第二磁套体320a1和第三磁套体320a3连接在第二磁底盖320a2边缘上;第二柱形磁体320b与第二磁底盖320a2连接并位于第二磁套体320a1与第三磁套体320a3围成的环形槽中,第二柱形磁体320b与第三磁套体320a3之间围成第二环形空隙520,第二柱形磁体320b与第二磁套体320a1之间围成第三环形空隙530,第一音圈210a的另一端延伸至第二环形空隙520中。
本实施例中,磁组件300包括第一磁套310a和第一柱形磁体310b,第一磁套310a轴截面整体呈U型状态。第一柱形磁体310b包括第一磁钢310b1和第一华司310b2。第一磁套310a包括第一磁底盖310a2和第一磁套体310a1, 第一磁套体310a1安装在第一磁底盖310a2的边缘,第一磁钢310b1安装在第一磁底盖310a2的中心,第一华司310b2则固定在第一磁钢310b1靠近振膜220的一端上,第一华司310b2的极性与第一磁套310a的极性相反,一般的,第一华司310b2为N极(正极),第一磁套310a为S极(负极),第一磁套体310a1与第一柱形磁体310b共同围成第一环形空隙510,第二音圈210b位于第一环形空隙510中。
由于辅助磁组件600驱动第二音圈210b,只单独用于驱动振膜220发声;磁组件300驱动第一音圈210a,第一音圈210a产生的反作用力只单独用于驱动磁组件300做垂直运动;将发声和振动声分开互不干扰,既不会影响辅助磁组件600发声音质,又不会影响磁组件300受振动产生的振动音所引起的振动声动感效果。
在前述实施例中,弹性件400可为条形弹片,该条形弹片围绕磁组件300的周向呈辐射状均匀分布,条形弹片的数量为两条、三条甚至更多,根据磁组件300的重量可以确定采用合理条数的条形弹片,当然,条形弹片可以为直线型,或者带有若干折弯段的波浪型。弹性件400也可以是圆形弹片,例如蝶形弹簧等。如图8所示,圆形弹片的边缘均匀间隔设置有若干通孔410,通孔410可以减少圆形弹片的重量;圆形弹片还可以设置凸台,用以增强圆形弹片的整体弹性。
具体的,参阅图2,弹性件400可以连接在磁组件300和支架110之间,即弹性件400的一端(固定端)安装在支架110上,磁组件300则安装在弹性件400的另一端(自由端)上,此时的弹性件400为水平设置状态,振动时,弹性件400的自由端相对其固定端产生上下摆动的角位移,可以理解,如图5所示,弹性件400也可以为竖直设置状态,磁组件300对弹性件400产生拉力,即磁组件300悬挂在弹性件400上;当然,如图1所示,弹性件400也可以连接在磁组件300和保护盖120之间,即弹性件400的一端(固定端)安装在保护盖120上,磁组件300则安装在弹性件400的(自由端)上,此时的弹性件400为竖直设置状态,磁组件300对弹性件400产生压力, 即弹性件400对磁组件300形成弹性支撑作用,振动时,弹性件400的自由端相对其固定端产生上下垂直运动。
需要说明的是,当喇叭单体经历大幅度的甩动或者从高处掉落时,可能会使得磁组件300向上振动幅度过大,从而破坏振膜。为了限制磁组件300随弹性件400在壳体100内振动的幅度,可以在壳体内设置限位结构,使得磁组件300随弹性件400在有限范围内振动。由于磁组件300的振动通过弹性件400的伸缩弹性性能带来的效果,限位结构可以通过限制弹性件400振动幅度以将磁组件300的振动幅度限制在一定范围内,也可以是通过设置在磁组件300和壳体100之间的结构对磁组件300相对于壳体100的运动幅度进行限制;当然,限位结构可以同时限制弹性件400和磁阻件300相对于壳体100的振动幅度。
具体的,参阅图9,限位结构包括限位件710;限位件710的外侧710a固定在壳体100上,限位件710的内侧710b与磁组件300间隙配合。也就是说,磁组件300随弹性件400振动时,由于限位件710的内侧710b和磁组件300之间存在间隙,因此限位件710不会干涉磁组件300的振动效果。对弹性件400进行振动幅度的限制,就能有效防止磁组件300相对于壳体100的振动幅度过大而从壳体100中甩出或者撞击振膜220。当然,限位件710对弹性件400的限位方式有多种,比如限位件710靠近磁组件300的一侧710b具有延伸部711。延伸部711与弹性件400之间具有间隙,以满足磁组件300正常的振动空间,而在振动幅度较强时,延伸部711会限制弹性件400的振动幅度,因此,磁组件300跟随弹性件相对壳体振动时,延伸部711对弹性件400的振动幅度进行限制。
在一实施例中,参阅图10,限位结构700还包括止挡件720,止挡件720固定套设在磁阻件300上;止挡件720上设有凹槽721,限位件710具有插入端712;插入端712可活动的插设于凹槽721内;这样,当磁组件300跟随弹性件400相对壳体100振动时,由于插入端712与凹槽721之间的相对运动被限制在凹槽721内,因此,与止挡件720和限位件710分别固定连接 的磁组件300和壳体100之间相对振动的幅度也将受到限制。
在另一实施例中,参阅图11,止挡件720具有插入端722,限位件710设有凹槽713;插入端722可活动的插设于凹槽713内;这样,当磁组件300跟随弹性件400相对壳体100振动时,由于插入端722与凹槽713之间的相对运动被限制在凹槽713内,因此,与止挡件720和限位件710分别固定连接的磁组件300和壳体100之间相对振动的幅度也将受到限制。
以上实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。

Claims (20)

  1. 一种喇叭单体,其特征在于,包括壳体、磁组件、振膜、第一音圈、和弹性件;所述磁组件设于所述壳体内,所述振膜设于所述壳体上;所述第一音圈与所述振膜连接;所述弹性件连接在所述壳体和所述磁组件之间;当所述弹性件振动时,所述磁组件跟随所述弹性件相对所述壳体振动。
  2. 根据权利要求1所述的喇叭单体,其特征在于,所述磁组件包括第一磁套和第一柱形磁体,所述第一柱形磁体安装在所述第一磁套中;所述第一磁套包括第一磁底盖和第一磁套体;所述第一磁底盖与所述第一柱形磁体连接,所述第一磁套体安装在所述第一磁底盖上并环绕所述第一柱形磁体,所述第一磁套体与所述第一柱形磁体共同围成第一环形空隙;所述第一音圈一端与所述振膜连接,另一端延伸至所述第一环形空隙中。
  3. 根据权利要求2所述的喇叭单体,其特征在于,所述壳体包括支架和与所述支架连接的保护盖,所述弹性件连接在所述磁组件与所述支架之间或所述磁组件与所述保护盖之间。
  4. 根据权利要求3所述的喇叭单体,其特征在于,所述弹性件为围绕所述磁组件呈辐射状均匀分布的若干条形弹片,若干所述条形弹片为直线型或波浪型;或者所述弹性件为沿其周向均匀间隔设置有若干通孔的圆形弹片。
  5. 根据权利要求1所述的喇叭单体,其特征在于,所述喇叭单体还包括第二音圈;所述磁组件包括第二磁套及第二柱形磁体;所述第二磁套包括第二磁底盖、第二磁套体和第三磁套体;所述第二磁套体和所述第三磁套体与所述第二磁底盖连接;所述第二柱形磁体与所述第二磁底盖连接并位于所述第二磁套体与所述第三磁套体围成的环形槽中,所述第二柱形磁体与所述第三磁套体之间围成第二环形空隙,所述第二柱形磁体与所述第二磁套体之间围成第三环形空隙;所述第一音圈一端与所述振膜连接,另一端延伸至所述第二环形空隙中;所述第二音圈一端连接在所述壳体上,另一端延伸至所述第三环形空隙中。
  6. 根据权利要求5所述的喇叭单体,其特征在于,所述弹性件为围绕所 述磁组件呈辐射状均匀分布的若干条形弹片,若干所述条形弹片为直线型或波浪型;或者所述弹性件为沿其周向均匀间隔设置有若干通孔的圆形弹片。
  7. 根据权利要求1所述的喇叭单体,其特征在于,所述壳体内设有限位结构,所述限位结构用于限制所述弹性件和/或磁组件相对于所述壳体的振动幅度。
  8. 根据权利要求7所述的喇叭单体,其特征在于,所述限位结构包括限位件;所述限位件的外侧固定在所述壳体上,所述限位件的内侧与所述磁组件间隙配合。
  9. 根据权利要求8所述的喇叭单体,其特征在于,所述限位件靠近所述磁组件的一侧具有延伸部,所述延伸部与所述弹性件之间具有间隙;所述磁组件跟随所述弹性件相对所述壳体振动时,所述延伸部对所述弹性件的振动幅度进行限制。
  10. 根据权利要求8所述的喇叭单体,其特征在于,所述限位结构还包括止挡件,所述止挡件套设在所述磁阻件上;所述止挡件上设有凹槽,所述限位件具有插入端;所述插入端可活动的插设于所述凹槽内。
  11. 根据权利要求8所述的喇叭单体,其特征在于,所述限位结构还包括止挡件,所述止挡件套设在所述磁阻件上;所述限位件上设有凹槽,所述止挡件具有插入端;所述插入端可活动的插设于所述凹槽内。
  12. 一种喇叭单体,其特征在于,包括壳体、磁组件、辅助磁组件、振膜、第一音圈、第二音圈及弹性件;所述磁组件设于所述壳体内,所述振膜设于所述壳体上;所述第一音圈一端与所述振膜连接,另一端延伸至所述辅助磁组件的磁场中;所述第二音圈一端与所述壳体连接,另一端延伸至所述磁组件的磁场中;所述弹性件连接在所述壳体和所述磁组件之间;当所述弹性件振动时,所述磁组件跟随所述弹性件相对所述壳体振动。
  13. 根据权利要求12所述的喇叭单体,其特征在于:所述磁组件包括第一磁套和安装在所述第一磁套中的第一柱形磁体,所述第一磁套包括第一磁底盖和第一磁套体,所述第一磁底盖与所述第一柱形磁体连接,所述第一磁 套体安装在所述第一磁底盖上并包围所述第一柱形磁体;所述第一磁套体与所述第一柱形磁体共同围成第一环形空隙,所述第一音圈的另一端延伸至所述第一环形空隙中;
    所述辅助磁组件包括第二磁套及第二柱形磁体;所述第二磁套包括第二磁底盖、第二磁套体和第三磁套体;所述第二磁套体和所述第三磁套体与所述第二磁底盖边缘连接;所述第二柱形磁体与所述第二磁底盖连接并位于所述第二磁套体与所述第三磁套体围成的环形槽中,所述第二柱形磁体与所述第三磁套体之间围成第二环形空隙,所述第二柱形磁体与所述第二磁套体之间围成第三环形空隙,所述第二音圈的另一端延伸至所述第二环形空隙中。
  14. 根据权利要求12所述的喇叭单体,其特征在于,所述弹性件为围绕所述磁组件呈辐射状均匀分布的若干条形弹片,若干所述条形弹片为直线型或波浪型;或者所述弹性件为沿其周向均匀间隔设置有若干通孔的圆形弹片。
  15. 根据权利要求12所述的喇叭单体,其特征在于,所述壳体包括支架和与所述支架连接的保护盖,所述弹性件连接在所述磁组件与所述支架之间或所述磁组件与所述保护盖之间。
  16. 根据权利要求12所述的喇叭单体,其特征在于,所述壳体内设有限位结构,所述限位结构用于限制所述弹性件和/或磁组件相对于所述壳体的振动幅度。
  17. 根据权利要求16所述的喇叭单体,其特征在于,所述限位结构包括限位件;所述限位件的外侧固定在所述壳体上,所述限位件的内侧与所述磁组件间隙配合。
  18. 根据权利要求17所述的喇叭单体,其特征在于,所述限位件靠近所述磁组件的一侧具有延伸部,所述延伸部与所述弹性件之间具有间隙;所述磁组件跟随所述弹性件相对所述壳体振动时,所述延伸部对所述弹性件的振动幅度进行限制。
  19. 根据权利要求17所述的喇叭单体,其特征在于,所述限位结构还包括止挡件,所述止挡件套设在所述磁阻件上;所述止挡件上设有凹槽,所述 限位件具有插入端;所述插入端可活动的插设于所述凹槽内。
  20. 根据权利要求17所述的喇叭单体,其特征在于,所述限位结构还包括止挡件,所述止挡件套设在所述磁阻件上;所述限位件上设有凹槽,所述止挡件具有插入端;所述插入端可活动的插设于所述凹槽内。
PCT/CN2017/095599 2016-08-03 2017-08-02 喇叭单体 WO2018024211A1 (zh)

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