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WO2020019909A1 - 扬声器单体、扬声器组件及电子设备 - Google Patents

扬声器单体、扬声器组件及电子设备 Download PDF

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Publication number
WO2020019909A1
WO2020019909A1 PCT/CN2019/092071 CN2019092071W WO2020019909A1 WO 2020019909 A1 WO2020019909 A1 WO 2020019909A1 CN 2019092071 W CN2019092071 W CN 2019092071W WO 2020019909 A1 WO2020019909 A1 WO 2020019909A1
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WO
WIPO (PCT)
Prior art keywords
diaphragm
coil
gap
magnet
ring
Prior art date
Application number
PCT/CN2019/092071
Other languages
English (en)
French (fr)
Inventor
欧阳灵
严笔祥
唐春树
Original Assignee
Oppo广东移动通信有限公司
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
Priority claimed from CN201821213080.9U external-priority patent/CN208489981U/zh
Priority claimed from CN201810852446.5A external-priority patent/CN109089197A/zh
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2020019909A1 publication Critical patent/WO2020019909A1/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

Definitions

  • the present application relates to a speaker unit of an electronic device, and in particular, to a speaker unit, a speaker assembly, and an electronic device.
  • the speaker unit has only one diaphragm, which is limited by the material of the micro-speaker diaphragm.
  • the diaphragm displacement exceeds a certain amount, the distortion is large and noise may be generated.
  • the present application provides a speaker unit, a speaker assembly, and an electronic device, which can improve the loudness of the speaker.
  • the present application provides a speaker unit, which includes a first diaphragm, a second diaphragm, a magnetic circuit component, a first coil, and a second coil.
  • the magnetic circuit component is located on the first diaphragm and the second oscillator. Between the membranes, the magnetic circuit assembly forms a first gap toward the first diaphragm and a second gap toward the second diaphragm, and the first coil is disposed in the first gap with one end fixed. On the first diaphragm, the second coil is disposed in the second gap and one end is fixed on the second diaphragm.
  • the present application provides a speaker assembly including a speaker unit and a power amplifier.
  • the speaker unit includes a first diaphragm, a second diaphragm, a magnetic circuit assembly, a first coil, and a second coil.
  • a component is located between the first diaphragm and the second diaphragm, and the magnetic circuit component forms a first gap toward the first diaphragm and a second gap toward the second diaphragm, the A first coil is disposed in the first gap and one end is fixed on the first diaphragm, the second coil is disposed in the second gap and one end is fixed on the second diaphragm, the The first coil and the second coil are both connected to the power amplifier.
  • the present application also provides an electronic device including a speaker assembly.
  • the speaker assembly includes a speaker unit and a power amplifier.
  • the speaker unit includes a first diaphragm, a second diaphragm, a magnetic circuit component, a first coil, and a second coil.
  • the magnetic circuit component is located in the Between the first diaphragm and the second diaphragm, the magnetic circuit assembly forms a first gap toward the first diaphragm and a second gap toward the second diaphragm, and the first coil is disposed Within the first gap and one end is fixed on the first diaphragm, the second coil is disposed in the second gap and one end is fixed on the second diaphragm, the first coil and The second coils are all connected to the power amplifier.
  • the electronic device includes a speaker assembly.
  • the speaker assembly includes a speaker unit and a power amplifier.
  • the speaker unit includes a first diaphragm, a second diaphragm, A first coil and a second coil, the first coil and the second coil are respectively fixed on the first diaphragm and the second diaphragm, and the first coil and the second coil are both connected with
  • the power amplifier is connected, and the power amplifier drives the first diaphragm and the second diaphragm to vibrate at the same time, which can increase the loudness.
  • FIG. 1 is a schematic diagram of a module of an electronic device according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a speaker unit according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a connection between a speaker unit and a power amplifier in an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a connection between a speaker unit and a power amplifier in another embodiment of the present application.
  • FIG. 1 is a schematic diagram of a module of an electronic device according to an embodiment of the present application.
  • the electronic device 100 may be, but is not limited to, a mobile phone, a tablet computer, an electronic reader, a wearable electronic device, and the like.
  • the electronic device 100 includes a speaker assembly 10.
  • FIG. 1 is only an example of the electronic device 100, and does not constitute a limitation on the electronic device 100.
  • the electronic device 100 may include more or Fewer components, or some components combined, or different components, for example, the electronic device 100 may further include an input-output device, a network access device, a data bus, and the like.
  • the speaker assembly 10 includes a speaker unit 1. Please refer to FIG. 2 together.
  • FIG. 2 is a schematic structural diagram of a speaker unit according to an embodiment of the present application.
  • the speaker unit 1 includes a first diaphragm 11, a second diaphragm 12, a magnetic circuit assembly 13, a first coil 14 and a second coil 15.
  • the magnetic circuit assembly 13 is located between the first diaphragm 11 and the second diaphragm 12.
  • the magnetic circuit assembly 13 forms a first gap 131 toward the first diaphragm 11 and a second gap 133 toward the second diaphragm 12.
  • the first coil 14 is disposed in the first gap 131 and one end is fixed to the first diaphragm 11, and the second coil 15 is disposed in the second gap and one end is fixed to the second ⁇ 12 ⁇ .
  • the speaker unit 1 includes a first diaphragm 11 and a second diaphragm 12.
  • the first coil 11 and the second coil 12 can vibrate at the same time, thereby improving loudness.
  • the dual diaphragm speaker unit 1 of the present application has a larger space in terms of increasing loudness.
  • first coil 14 may be fixed to the first diaphragm 11 by gluing or other suitable methods
  • second coil 15 may be fixed to the second diaphragm by gluing or other suitable methods.
  • the magnetic circuit assembly 13 includes a magnetic disk 135, a first magnet 137, and at least one second magnet 139.
  • the conductive disk 135 is located between the first diaphragm 11 and the second diaphragm 12.
  • the magnetic disk 135 includes a ring-shaped portion 1351 having a U-shaped cross section, and a ring-shaped flange portion 1353 extending vertically from the open end of the ring-shaped portion 1351 to the outside.
  • a first receiving portion 1355 is formed inside the annular portion 1351.
  • the first receiving portion 1355 faces the first diaphragm 11.
  • a second receiving portion 1357 is formed between the flange portion 1353 and an outer wall of the annular portion 1351.
  • the second receiving portion 1357 faces the second diaphragm 12.
  • the first magnet 137 is received in the first receiving portion 1355 to form the first gap 131 in a ring shape.
  • the at least one second magnet 139 is received in the second receiving portion 1357 to form the second gap 133
  • the first magnet 137 is disposed on a bottom wall in the first receiving portion 1355.
  • a first magnetic field (not shown) is formed between the first magnet 137 and an inner wall of the annular portion 1351.
  • the first coil 14 is disposed in the first gap 131, the first coil 14 is in the first magnetic field.
  • an alternating current is passed through the first coil 14, the first coil 14 receives the amperage of the first magnetic field and vibrates in the first magnetic field along the vertical direction, thereby driving the first coil.
  • the diaphragm 11 vibrates.
  • the at least one second magnet 139 is disposed on a side of the flange portion 1353 near the second diaphragm 12.
  • a second magnetic field is formed between the at least one second magnet 139 and an outer wall of the annular portion 1351 and the flange portion 1353.
  • the second coil 15 is disposed in the second gap 133, the second coil 15 is in the second magnetic field.
  • the second coil 15 receives the amperage of the second magnetic field and vibrates in the second magnetic field in the vertical direction, thereby driving the second vibration.
  • the film 12 vibrates.
  • the first diaphragm 11 and the second diaphragm 12 can thus vibrate at the same time, so that the loudness can be increased.
  • the at least one second magnet 139 includes one of the second magnets 139, and the second magnet 139 has a ring shape.
  • the second magnet 139 surrounds the outer wall of the annular portion 1351 to form the second gap 133.
  • the at least one second magnet 139 includes at least two second magnets 139.
  • the at least two second magnets 139 are in a circular arc shape.
  • the at least two second magnets 139 surround the outer wall of the annular portion 1351 at intervals to form the second gap 133.
  • the at least two second magnets 139 are on the same circumferential line with the center of the annular portion 1351 as a center.
  • the at least two second magnets 139 are symmetrically disposed on the same circumferential line centered on the center of the ring-shaped portion 1351.
  • the speaker unit 1 further includes a bracket 16.
  • the bracket 16 has a circular shape, and the bracket 16 is arranged around the magnetic circuit assembly 13, the first coil 14 and the second coil 15, and the first diaphragm 11 is overlapped and arranged at On the top end of the bracket 16, the second diaphragm 12 is overlapped and disposed on the bottom end of the bracket 16.
  • the bracket 16 is provided with a ring-shaped sound hole 161 around its peripheral wall.
  • the sound emitting hole 161 faces the second magnet 139 at a substantially middle position.
  • the sound output hole 161 is used for deriving the sound generated by the vibration of the first diaphragm 11 and the second diaphragm 12.
  • the upper surface of the flange portion 1353 of the guide disk 135 is substantially flush with the top of the first magnet 137, and the bottom of the annular portion 1351 of the guide disk 135 and the bottom of the second magnet 139
  • the top of the bracket 16 is substantially flush with the top surface of the flange portion 1353 of the guide disk 135 and the top of the first magnet 137. Therefore, the first diaphragm 11 and the guide disk 135 A gap exists between the upper surface of the flange portion 1353 and the top of the first magnet 137, and the gap forms a sound path A.
  • the bottom end of the bracket 16 is lower than the bottom of the annular portion 1351 of the guide disk 135 and the bottom of the second magnet 139.
  • the second diaphragm 12 and the annular portion of the guide disk 135 A gap exists between the bottom of 1351 and the bottom of the second magnet 139, and the gap forms a sound path B. There is also a gap between the outer wall of the second magnet 139 and the inner wall of the bracket 16, and the gap forms a sound path C.
  • the three sound-emitting paths A, B, and C are connected to each other, and are finally connected to the sound-emitting hole 161. Therefore, the sound generated by the vibration of the first diaphragm 11 and the second diaphragm 12 passes through the above.
  • the sound emitting paths A, B, and C and the sound emitting hole 161 described above produce sound.
  • FIG. 3 is a schematic diagram of a connection between a speaker unit and an amplifier in an embodiment of the present application.
  • the speaker assembly 10 further includes a power amplifier 2.
  • the first coil 14 and the second coil 15 are both connected to the power amplifier 2.
  • the power amplifier 2 drives the first coil 14 and the second coil 15 to vibrate simultaneously.
  • the dual-diaphragm speaker unit 1 of the present application only needs one power amplifier 2 to drive, so that one power amplifier 2 can be omitted.
  • loudness is generally increased through a stereo or dual-speaker solution, that is, two loudspeakers with power or loudness and two power amplifiers are used to drive.
  • the dual-diaphragm speaker assembly 10 of the present application uses a power amplifier 2 to promote smaller space requirements and lower production costs.
  • FIG. 3 is a schematic diagram of a connection between a speaker unit and a power amplifier in an embodiment of the present application.
  • the positive electrode A1 of the first coil 14 and the positive electrode A2 of the second coil 15 are connected, and the negative electrode C1 of the first coil 14 and the negative electrode C2 of the second coil 15 are connected.
  • FIG. 4 is a schematic diagram of a connection between a speaker unit and a power amplifier in another embodiment of the present application.
  • the positive electrode A1 of the first coil 14 is connected to the negative electrode C2 of the second coil 15, and the negative electrode C1 of the first coil 14 is connected to the positive electrode A2 of the second coil 15. After that, they are respectively connected to the positive and negative poles of the power amplifier 2 to form anti-phase vibration, which can improve the radiation directivity.
  • the speaker assembly includes a speaker unit and a power amplifier.
  • the speaker unit includes a second diaphragm, a first coil, and a second coil.
  • the first coil and The second coil is fixed on the first diaphragm and the second diaphragm, respectively, the first diaphragm and the second diaphragm are electrically connected to the work, and the power amplifier pushes the first diaphragm
  • the diaphragm and the second diaphragm vibrate at the same time, which can increase the loudness of the speaker. Compared with the stereo or dual speaker solution, it saves space requirements and the cost of an amplifier.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本申请提供一种扬声器单体,包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上。本申请还提供一种扬声器组件和一种电子设备。本申请采用双振膜的扬声器单体,可以提升响度。

Description

扬声器单体、扬声器组件及电子设备 技术领域
本申请涉及电子设备的扬声器单体,特别涉及一种扬声器单体、扬声器组件及电子设备。
背景技术
目前的扬声器单体仅有一层振膜,受限于微型扬声器振膜材质,当振膜位移超过一定量时,失真较大,会产生杂音,因此单振膜扬声器单体的基础上增加响度具有一定的局限性。
发明内容
本申请提供一种扬声器单体、扬声器组件及电子设备,可以提升扬声器响度。
本申请提供一种扬声器单体,包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上。
本申请提供一种扬声器组件,包括一扬声器单体和一功放,所述扬声器单体,包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上,所述第一线圈和所述第二线圈均与所述功放连接。
本申请还提供一种电子设备,包括扬声器组件。所述扬声器组件 包括一扬声器单体和一功放,所述扬声器单体,包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上,所述第一线圈和所述第二线圈均与所述功放连接。
本申请的扬声器单体、扬声器组件及电子设备,所述电子设备包括扬声器组件,所述扬声器组件包括一扬声器单体和一功放,所述扬声器单体包括第一振膜、第二振膜、第一线圈和第二线圈,所述第一线圈和所述第二线圈分别固定在所述第一振膜和所述第二振膜上,所述第一线圈和所述第二线圈均与所述功放连接,所述功放推动所述第一振膜和所述第二振膜同时振动,可以提升响度。
附图说明
为了更清楚地说明本申请实施例的技术方案,下面将对实施方式中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本申请一些实施方式,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是本申请一实施例中的电子设备的模块示意图。
图2是本申请一实施例中的扬声器单体的结构示意图。
图3是本申请一实施例中的扬声器单体与一功放的连接示意图。
图4是本申请另一实施例中的扬声器单体与一功放的连接示意图。
具体实施方式
为了使本领域技术领域的人员更好地理解本申请方案,下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚地描述,显然,所描述的实施例仅仅是本申请一部分的实施例,而不是 全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都应当属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”和“第三”等是用于区别不同对象,而非用于描述特定顺序。术语“包括”以及它们任何变形,意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元,而是可选地还包括没有列出的步骤或单元,或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
请参阅图1,图1是本申请一实施例中的电子设备的模块示意图。所述电子设备100可以是但不限于手机、平板电脑、电子阅读器、穿戴式电子设备等。所述电子设备100包括扬声器组件10。本领域技术人员应当理解的是,所述图1仅是所述电子设备100的示例,并不构成对所述电子设备100的限定,所述电子设备100可以包括比图1所示更多或更少的部件,或者组合某些部件,或者不同的部件,例如所述电子设备100还可以包括输入输出设备、网络接入设备、数据总线等。
所述扬声器组件10包括一扬声器单体1。请一并参考图2,图2是本申请一实施例中的扬声器单体的结构示意图。所述扬声器单体1包括第一振膜11、第二振膜12、磁路组件13、第一线圈14和第二线圈15。所述磁路组件13位于所述第一振膜11和所述第二振膜12之间。所述磁路组件13形成朝向所述第一振膜11的第一间隙131和朝向所述第二振膜12的第二间隙133。所述第一线圈14设置在所述第一间隙131内并且一端固定在所述第一振膜11上,所述第二线圈15设置在所述第二间隙内并且一端固定在所述第二振膜12上。
本申请中,扬声器单体1包括第一振膜11和第二振膜12,所述第一线圈11和所述第二线圈12可同时振动,从而,可以提升响度。相对单振膜扬声器单体,本申请的双振膜扬声器单体1在增加响度方 面具有更大的空间。
具体地,所述第一线圈14可通过胶粘或者其它适合的方式固定在所述第一振膜11上,所述第二线圈15可通过胶粘或者其它适合的方式固定在所述第二振膜12上。
具体地,所述磁路组件13包括导磁盘135、第一磁铁137和至少一第二磁铁139。所述导磁盘135位于所述第一振膜11和所述第二振膜12之间。所述导磁盘135包括截面呈U形的环状部1351和自所述环状部1351的开口端向外侧垂直延伸而成的环状凸缘部1353。所述环状部1351的内部形成第一收容部1355。所述第一收容部1355朝向所述第一振膜11。所述凸缘部1353和所述环状部1351的外壁之间形成第二收容部1357。所述第二收容部1357朝向所述第二振膜12。所述第一磁铁137收容在所述第一收容部1355形成环状的所述第一间隙131。所述至少一第二磁铁139收容在所述第二收容部1357中形成环状的所述第二间隙133。
具体地,所述第一磁铁137设置在所述第一收容部1355内的底壁上。所述第一磁铁137与所述环状部1351的内壁之间形成第一磁场(图未示)。当所述第一线圈14设置在所述第一间隙131内时,所述第一线圈14就处于所述第一磁场内。当所述第一线圈14内通交变电流后,所述第一线圈14受到所述第一磁场的安培力的作用在所述第一磁场内沿着上下方向振动,进而带动所述第一振膜11振动。
具体地,所述至少一第二磁铁139设置在所述凸缘部1353靠近所述第二振膜12的一侧上。所述至少一第二磁铁139与所述环状部1351的外壁及所述凸缘部1353之间形成第二磁场。当所述第二线圈15设置在所述第二间隙133内时,所述第二线圈15就处于所述第二磁场。所述第二线圈15内通交变电流后,所述第二线圈15受到所述第二磁场的安培力的作用在所述第二磁场内沿着上下方向振动,进而带动所述第二振膜12振动。
所述第一振膜11和所述第二振膜12因而可同时振动,从而可以增加响度。
进一步具体地,在一实施例中,所述至少一第二磁铁139包括一个所述第二磁铁139,且所述第二磁铁139呈圆环状。所述第二磁铁139围绕所述环状部1351的外壁以形成所述第二间隙133。
进一步地,在另一实施例中,所述至少一第二磁铁139包括至少两个第二磁铁139。所述至少两个第二磁铁139呈环形弧状。所述至少两个第二磁铁139间隔地围绕所述环状部1351的外壁以形成所述第二间隙133。并且,所述至少两个第二磁铁139在以所述环状部1351的中心为中心的同一圆周线上。
进一步具体地,在一实施例中,所述至少两个第二磁铁139在以所述环状部1351的中心为中心的同一圆周线上对称设置。
进一步地,所述扬声器单体1还包括支架16。所述支架16呈圆环状,所述支架16环绕所述磁路组件13、所述第一线圈14和所述第二线圈15设置,并且,所述第一振膜11搭接设置在所述支架16的顶端上,所述第二振膜12搭接设置在所述支架16的底端上。
进一步地,所述支架16环绕其周壁设置有环状的出音孔161。所述出音孔161正对所述第二磁铁139大致中部的位置上。所述出音孔161用于导出所述第一振膜11和所述第二振膜12振动所产生的声音。
具体地,所述导磁盘135的凸缘部1353的上表面与所述第一磁铁137的顶部大致平齐,所述导磁盘135的环状部1351的底部与所述第二磁铁139的底部大致平齐,所述支架16的顶端高于所述导磁盘135的凸缘部1353的上表面与所述第一磁铁137的顶部,因而,所述第一振膜11与所述导磁盘135的凸缘部1353的上表面与所述第一磁铁137的顶部之间存在间隙,该间隙形成出音路径A。所述支架16的底端低于所述导磁盘135的环状部1351的底部与所述第二磁铁139的底部,因而,所述第二振膜12与所述导磁盘135的环状部1351的底部与所述第二磁铁139的底部之间存在间隙,该间隙形成出音路径B。所述第二磁铁139的外壁与所述支架16的内壁之间也存在间隙,该间隙形成出音路径C。上述三个出音路径A、B和C相通相连, 最终与所述出音孔161相通设置,因而,所述所述第一振膜11和所述第二振膜12振动产生的声音通过上述出音路径A、B和C和上述出音孔161出音。
进一步地,请一并参考图1和图3,图3是本申请一实施例中的扬声器单体与一功放的连接示意图。所述扬声器组件10还包括一功放2。所述第一线圈14和所述第二线圈15均与所述功放2连接。所述功放2推动所述第一线圈14和所述第二线圈15同时振动。
本申请的双振膜扬声器单体1只需一个功放2去推动即可,从而能够省掉一个功放2。现有技术中,一般通过立体声或双扬声器方案增加响度,即采用两个功率或者响度的扬声器,以及两个功放去推动。相较而言,本申请的双振膜扬声器组件10采用一个功放2去推动具有更小的空间需求和更低的生产成本。
具体地,请一并参考图3,图3是本申请一实施例中的扬声器单体与一功放的连接示意图。在一实施例中,所述第一线圈14的正极A1和所述第二线圈15的正极A2相接,所述第一线圈14的负极C1和所述第二线圈15的负极C2相接后,分别与所述功放2的正负极连接,以形成同相位振动,从而能够大大增加响度。
具体地,请一并参考图4,图4是本申请另一实施例中的扬声器单体与一功放的连接示意图。在另一实施例中,所述第一线圈14的正极A1和所述第二线圈15的负极C2相接,所述第一线圈14的负极C1和所述第二线圈15的正极A2相接后,分别与所述功放2的正负极连接,以形成反相位振动,从能能够提高辐射指向性。
本申请的扬声器单体、扬声器组件及电子设备,所述扬声器组件包括扬声器单体和功放,所述扬声器单体包括、第二振膜、第一线圈和第二线圈,所述第一线圈和所述第二线圈分别固定在所述第一振膜和所述第二振膜上,所述第一振膜和第二振膜与所述功放电性连接,所述功放推动所述第一振膜和所述第二振膜同时振动,可以提升扬声器响度,对比立体声或者双扬声器方案,节省了空间需求和一个功放成本。
以上是本申请实施例的实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本申请实施例原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也视为本申请的保护范围。

Claims (20)

  1. 一种扬声器单体,其特征在于,所述扬声器单体包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上。
  2. 根据权利要求1所述的扬声器单体,其特征在于,所述磁路组件包括导磁盘、第一磁铁和至少一第二磁铁,所述导磁盘位于所述第一振膜和所述第二振膜之间,所述导磁盘包括截面呈U形的环状部和自所述环状部的开口端向外侧垂直延伸而成的凸缘部,所述环状部的内部形成第一收容部,所述第一收容部朝向所述第一振膜,所述凸缘部和所述环状部的外壁之间形成第二收容部,所述第二收容部朝向所述第二振膜,所述第一磁铁收容在所述第一收容部形成所述第一间隙,所述至少一第二磁铁收容在所述第二收容部中形成所述第二间隙。
  3. 根据权利要求2所述的扬声器单体,其特征在于,所述至少一第二磁铁包括一个所述第二磁铁,所述第二磁铁呈圆环状,并围绕所述环状部的外壁以形成所述第二间隙。
  4. 根据权利要求2所述的扬声器单体,其特征在于,所述至少一第二磁铁包括两个所述第二磁铁,两个所述第二磁铁呈环形弧状,两个所述第二磁铁间隔地围绕所述环状部的外壁以形成所述第二间隙,并且,两个所述第二磁铁在以所述环状部的中心为中心的同一圆周线上。
  5. 根据权利要求4所述的扬声器单体,其特征在于,两个所述第二磁铁在以所述环状部的中心为中心的同一圆周线上对称设置。
  6. 根据权利要求1所述的扬声器单体,其特征在于,所述振膜还包括支架,所述支架环绕所述磁路组件、所述第一线圈和所述第二线 圈设置,并且,所述第一振膜搭接设置在所述支架的顶端上,所述第二振膜搭接设置在所述支架的底端上。
  7. 根据权利要求6所述的扬声器单体,其特征在于,所述支架环绕其周壁设置有环状的出音孔。
  8. 一种扬声器组件,其特征在于,所述扬声器组件包括扬声器单体和功放,所述扬声器单体包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上,所述第一线圈和所述第二线圈均与所述功放连接。
  9. 根据权利要求8所述的扬声器组件,其特征在于,所述磁路组件包括导磁盘、第一磁铁和至少一第二磁铁,所述导磁盘位于所述第一振膜和所述第二振膜之间,所述导磁盘包括截面呈U形的环状部和自所述环状部的开口端向外侧垂直延伸而成的凸缘部,所述环状部的内部形成第一收容部,所述第一收容部朝向所述第一振膜,所述凸缘部和所述环状部的外壁之间形成第二收容部,所述第二收容部朝向所述第二振膜,所述第一磁铁收容在所述第一收容部形成所述第一间隙,所述至少一第二磁铁收容在所述第二收容部中形成所述第二间隙。
  10. 根据权利要求9所述的扬声器组件,其特征在于,所述至少一第二磁铁包括一个所述第二磁铁,所述第二磁铁呈圆环状,并围绕所述环状部的外壁以形成所述第二间隙。
  11. 根据权利要求9所述的扬声器组件,其特征在于,所述至少一第二磁铁包括两个所述第二磁铁,两个所述第二磁铁呈环形弧状,两个所述第二磁铁间隔地围绕所述环状部的外壁以形成所述第二间隙,并且,两个所述第二磁铁在以所述环状部的中心为中心的同一圆周线上。
  12. 根据权利要求11所述的扬声器组件,其特征在于,两个所述第二磁铁在以所述环状部的中心为中心的同一圆周线上对称设置。
  13. 根据权利要求8所述的扬声器组件,其特征在于,所述振膜还包括支架,所述支架环绕所述磁路组件、所述第一线圈和所述第二线圈设置,并且,所述第一振膜搭接设置在所述支架的顶端上,所述第二振膜搭接设置在所述支架的底端上。
  14. 根据权利要求13所述的扬声器组件,其特征在于,所述支架环绕其周壁设置有环状的出音孔。
  15. 根据权利要求8所述的扬声器组件,其特征在于,所述第一线圈的正极和所述第二线圈的正极相接,所述第一线圈的负极和所述第二线圈的负极相接后,与所述功放的正负极连接。
  16. 根据权利要求8所述的扬声器组件,其特征在于,所述第一线圈的正极和所述第二线圈的负极相接,所述第一线圈的负极和所述第二线圈的正极相接后,与所述功放的正负极连接。
  17. 一种电子设备,其特征在于,所述电子设备包括扬声器组件,所述扬声器组件包括扬声器单体和功放,所述扬声器单体包括第一振膜、第二振膜、磁路组件、第一线圈和第二线圈,所述磁路组件位于所述第一振膜和所述第二振膜之间,所述磁路组件形成朝向所述第一振膜的第一间隙和朝向所述第二振膜的第二间隙,所述第一线圈设置在所述第一间隙内并且一端固定在所述第一振膜上,所述第二线圈设置在所述第二间隙内并且一端固定在所述第二振膜上,所述第一线圈和所述第二线圈均与所述功放连接。
  18. 根据权利要求17所述的电子设备,其特征在于,所述磁路组件包括导磁盘、第一磁铁和至少一第二磁铁,所述导磁盘位于所述第一振膜和所述第二振膜之间,所述导磁盘包括截面呈U形的环状部和自所述环状部的开口端向外侧垂直延伸而成的凸缘部,所述环状部的内部形成第一收容部,所述第一收容部朝向所述第一振膜,所述凸缘部和所述环状部的外壁之间形成第二收容部,所述第二收容部朝向所述第二振膜,所述第一磁铁收容在所述第一收容部形成所述第一间 隙,所述至少一第二磁铁收容在所述第二收容部中形成所述第二间隙。
  19. 根据权利要求17所述的电子设备,其特征在于,所述第一线圈的正极和所述第二线圈的正极相接,所述第一线圈的负极和所述第二线圈的负极相接后,与所述功放的正负极连接。
  20. 根据权利要求17所述的电子设备,其特征在于,所述第一线圈的正极和所述第二线圈的负极相接,所述第一线圈的负极和所述第二线圈的正极相接后,与所述功放的正负极连接。
PCT/CN2019/092071 2018-07-27 2019-06-20 扬声器单体、扬声器组件及电子设备 WO2020019909A1 (zh)

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CN1498018A (zh) * 2002-10-07 2004-05-19 株式会社西铁城电子 声音发生器
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Publication number Priority date Publication date Assignee Title
CN1498018A (zh) * 2002-10-07 2004-05-19 株式会社西铁城电子 声音发生器
CN202103832U (zh) * 2011-05-31 2012-01-04 常州美欧电子有限公司 发声器件
CN204069324U (zh) * 2014-07-18 2014-12-31 瑞声光电科技(常州)有限公司 发声器
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