WO2024040720A1 - 音圈和应用该音圈的发声器件 - Google Patents

音圈和应用该音圈的发声器件 Download PDF

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Publication number
WO2024040720A1
WO2024040720A1 PCT/CN2022/125143 CN2022125143W WO2024040720A1 WO 2024040720 A1 WO2024040720 A1 WO 2024040720A1 CN 2022125143 W CN2022125143 W CN 2022125143W WO 2024040720 A1 WO2024040720 A1 WO 2024040720A1
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Prior art keywords
coil
sub
wire
voice coil
incoming
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PCT/CN2022/125143
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English (en)
French (fr)
Inventor
杨虎虎
印兆宇
魏威
Original Assignee
瑞声光电科技(常州)有限公司
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Application filed by 瑞声光电科技(常州)有限公司 filed Critical 瑞声光电科技(常州)有限公司
Priority to JP2022576566A priority Critical patent/JP2024532979A/ja
Priority to US18/089,577 priority patent/US20240064469A1/en
Publication of WO2024040720A1 publication Critical patent/WO2024040720A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present invention relates to the field of electroacoustic conversion, and in particular to a voice coil and a sound-generating device using the voice coil.
  • Sound-generating devices in related technologies include a magnetic circuit system and a vibration system.
  • the vibration system includes a diaphragm and a voice coil that drives the diaphragm to vibrate and produce sound.
  • the voice coil is wound by a single wire in a circle.
  • B is the electromagnetic induction intensity of the magnetic circuit system
  • L is the total length of the voice coil wire
  • I is the current flowing through the voice coil wire.
  • B and L are constant, to increase the driving force of the voice coil, I need to be increased.
  • the voltage across the voice coil is constant, that is, the resistance of the voice coil wire needs to be reduced, and a thicker voice coil needs to be replaced.
  • the coil wire causes the weight of the voice coil to increase and the vibration mass to increase, affecting the mid-frequency performance.
  • the purpose of the present invention is to overcome the above technical problems and provide a voice coil that can choose a lighter weight and larger resistance wire, a lighter vibration quality, and a better intermediate frequency, and a sound-generating device using the voice coil.
  • the present invention provides a voice coil, which is applied to a sound-generating device.
  • the voice coil includes a coil body part, and the coil body part includes at least two sub-circle bodies that are fitted in sequence, and each sub-circle body is provided with a There is one incoming wire end and one outgoing wire end.
  • Each sub-coil body only forms a current path from the incoming wire end to the outgoing wire end, and the current path of each sub-coil body flows in the same direction. All the incoming wire terminals are welded together to form a In the wire inlet area on the surface of the ring body, all outlet ends are welded together to form an outlet area located on the surface of the ring body.
  • the sub-ring bodies are stacked up and down to form the ring body part.
  • the sub-ring bodies are internally and externally connected to form the ring body part.
  • each sub-coil is wound separately, and the winding material of at least one sub-coil is different from the winding material of other sub-coils.
  • the voice coil further includes an incoming wire and an outgoing wire connected to the coil body part, the incoming wire is connected to the incoming wire area, and the outgoing wire is connected to the outgoing wire area.
  • the present invention also provides a sound-generating device, including the voice coil as described above.
  • the flexible circuit board includes a mounting fixed end and a free end extending from the mounting fixed end, the free end is fixed to the voice coil, and the free end has two solder joints. Pads, one of which is connected to the incoming line area, and the other pad is connected to the outgoing line area.
  • it also includes a conductive connector, the conductive connector has two soldering pads, the incoming wire is connected to one of the soldering pads, and the outgoing wire is connected to the other soldering pad.
  • the coil body part of the voice coil includes at least two sub-coil bodies that are fitted in sequence, and each sub-coil body is provided with an incoming wire end and an outgoing wire end.
  • Each sub-circle body only forms one current path from the incoming wire end to the outgoing wire end, and the current path of each sub-circle body has the same flow direction. All the incoming wire ends are welded together to form a wire inlet area located on the surface of the coil body part, All outlet terminals are welded together to form an outlet area located on the surface of the ring body.
  • the voltage at both ends of B, L and the voice coil are constant, the voltage at both ends of each sub-coil connected by the incoming line area and the outgoing line area is the same as before, because the allocated wire length becomes smaller.
  • the resistance of the sub-coil can be increased, so that wires with lighter weight and greater resistance can be selected.
  • the vibration quality can be lighter and the intermediate frequency can be better.
  • Figure 1 is a schematic three-dimensional structural diagram of the first voice coil of the present invention
  • Figure 2 is a schematic three-dimensional structural diagram of the sub-coil body of the first voice coil shown in Figure 1;
  • Figure 3 is a schematic three-dimensional structural diagram of the second voice coil of the present invention.
  • Figure 4 is a schematic structural diagram of the first sound-generating device of the present invention.
  • Figure 5 is a schematic three-dimensional structural diagram of the third voice coil of the present invention.
  • Figure 6 is a schematic structural diagram of the second sound-generating device of the present invention.
  • Figure 7 is a schematic structural diagram of the third sound-generating device of the present invention.
  • the present invention provides a voice coil 100.
  • the voice coil 100 includes a coil body part 11.
  • the coil body part 11 includes at least two sub-coil bodies 111 that are fitted in sequence.
  • Each sub-coil body 111 is provided with an incoming wire end 121 and an outgoing wire end 131.
  • the sub-coil bodies 111 only form one current path from the incoming wire end 121 to the outgoing wire end 131, and the current paths of each sub-coil body 111 have the same flow direction. All the incoming wire terminals 121 are welded together to form a current path on the surface of the coil body part 11.
  • all outlet terminals 131 are welded together to form an outlet area 13 located on the surface of the ring body 11 .
  • the sub-ring bodies 111 are stacked up and down to form the ring body part 11 .
  • the sub-coil bodies 111' can also be internally and externally connected to form the coil body portion 11', in the same manner as described above.
  • a wire entry area 12' and a wire outlet area 13' are formed on the surface of the ring body portion 11'.
  • each sub-circle body 111/111' is wound separately, and the winding material of at least one sub-circle body 111/111' is different from the winding material of other sub-circle bodies 111/111', such that
  • the method can make the formed ring body part 11/11' have different shapes, for example, steps, grooves and other special-shaped structures can be formed thereon, so that it can adapt to different application environments.
  • the present invention also provides a sound-generating device 200.
  • the sound-generating device 200 includes a voice coil 100/100' and a magnetic circuit system 201.
  • the voice coil 100/100' is inserted into the magnetic gap 202 of the magnetic circuit system 201.
  • the sound-generating device 200 further includes a flexible circuit board 203.
  • the flexible circuit board 203 includes a mounting fixed end 204 and a free end 205 extending from the mounting fixed end 204.
  • the free end 205 is fixed to the voice coil 100/ 100'.
  • the free end 205 has two soldering pads, one soldering pad 206 is connected to the incoming wire area, and the other soldering pad 207 is connected to the outgoing wire area.
  • the installation fixed end 204 can be fixed at a fixed position of the sound-generating device 200, and the flexible circuit board 203 plays the dual roles of electrical conduction and auxiliary support for the voice coil 100/100'.
  • the present invention also provides another voice coil 300.
  • the voice coil 300 further includes an incoming wire 32 connected to the coil body part 31 and One outlet wire 33, the incoming wire 32 is connected to the incoming wire area 34, and the outlet wire 33 is connected to the outlet wire area 35.
  • the present invention also provides a sound-generating device 400 including a voice coil 300 .
  • the sound-generating device 400 further includes a conductive connector 401 having two soldering pads, the incoming wire 32 is connected to one of the soldering pads 402 , and the outgoing wire 33 is connected to the other soldering pad 403 .
  • the conductive connector 401 may be a flexible circuit board such as the aforementioned sound-generating device 200, which serves the dual functions of electrical conduction and auxiliary support for the voice coil 300. The difference is that the soldering pads on the conductive connector 401 are different from the soldering pads on the conductive connector 401.
  • the incoming line 32 is connected to the outgoing line 33 .
  • the present invention also provides a sound-generating device 500 including a voice coil 300 .
  • the sound-generating device 500 further includes a conductive connector 501 having two soldering pads, the incoming wire 32 is connected to one of the soldering pads 502 , and the outgoing wire 33 is connected to the other soldering pad 503 .
  • the conductive connector 501 may be a circuit board or a conductive terminal fixed at a fixed position of the sound-generating device 500 .
  • the conductive connector 501 only provides electrical conduction to the voice coil 300 .
  • the coil body of the voice coil of the present invention includes at least two sub-coils that are fitted in sequence.
  • Each sub-coil is provided with an incoming end and an outgoing end.
  • Each sub-coil only forms a line from the incoming end to the outgoing end.
  • a current path, and the current path of each sub-coil body has the same flow direction. All incoming wire ends are welded together to form an incoming wire area located on the surface of the coil body part, and all outlet wire terminals are welded together to form a wire inlet area located on the surface of the coil body part. The outlet area on the surface.
  • the voltage at both ends of B, L and the voice coil are constant, the voltage at both ends of each sub-coil connected by the incoming line area and the outgoing line area is the same as before, because the allocated wire length becomes smaller.
  • the resistance of the sub-coil can be increased, so that wires with lighter weight and greater resistance can be selected.
  • the vibration quality can be lighter and the intermediate frequency can be better.

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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

本发明提供了一种音圈和应用该音圈的发声器件。所述音圈包括圈体部，所述圈体部包括至少两个依次贴合的子圈体，每个子圈体均设有一个进线端和一个出线端，每个子圈体仅形成从进线端到出线端的一个电流路径，且每个子圈体的电流路径的流向相同，所有进线端焊接在一起形成位于所述圈体部表面上的进线区域，所有出线端焊接在一起形成位于所述圈体部表面上的出线区域。本发明的音圈和应用该音圈的发声器件可以选择质量更轻电阻更大的导线，振动质量可以更轻，中频更好。

Description

音圈和应用该音圈的发声器件
【 技术领域】
本发明涉及电声转换领域，尤其涉及一种音圈和应用该音圈的发声器件。
【 背景技术】
相关技术的发声器件包括磁路系统和振动系统，振动系统包括振膜和驱动振膜振动发声的音圈，其中，音圈由单根导线一圈圈绕制而成。
音圈的驱动力F=BLI，B为磁路系统的电磁感应强度、L为音圈导线总长度、I为流经音圈导线的电流。在B和L一定的情况下，要提升音圈的驱动力就需要提高I，在音圈两端的电压一定的情况下，也即要减小音圈导线的电阻，从而需要更换更粗的音圈导线，导致音圈重量增加，振动质量增加影响中频性能。
因此，实有必要提供一种新的音圈和应用该音圈的发声器件解决上述技术问题。
【 发明内容】
本发明的目的是克服上述技术问题，提供一种可以选择质量更轻电阻更大的导线，振动质量可以更轻，中频更好的音圈和应用该音圈的发声器件。
为了实现上述目的，本发明提供一种音圈，应用于发声器件，所述音圈包括圈体部，所述圈体部包括至少两个依次贴合的子圈体，每个子圈体均设有一个进线端和一个出线端，每个子圈体仅形成从进线端到出线端的一个电流路径，且每个子圈体的电流路径的流向相同，所有进线端焊接在一起形成位于所述圈体部表面上的进线区域，所有出线端焊接在一起形成位于所述圈体部表面上的出线区域。
优选的，子圈体之间上下叠设形成所述圈体部。
优选的，子圈体之间内外套设形成所述圈体部。
优选的，每个子圈体均单独绕制，至少一个子圈体的绕线材质不同于其他子圈体的绕线材质。
优选的，所述音圈还包括与所述圈体部连接的一根进线和一根出线，所述进线与所述进线区域连接，所述出线与所述出线区域连接。
本发明还提供一种发声器件，包括如上任一所述的音圈。
优选的，还包括柔性电路板，所述柔性电路板包括安装固定端和自所述安装固定端延伸的自由端，所述自由端固定于所述音圈，且所述自由端具有两个焊盘，其中一个焊盘与所述进线区域连接，另一个焊盘与所述出线区域连接。
优选的，还包括导电连接件，所述导电连接件具有两个焊盘，所述进线与其中一个焊盘连接，所述出线与另一个焊盘连接。
本发明的音圈和应用该音圈的发声器件，其中，音圈的圈体部包括至少两个依次贴合的子圈体，每个子圈体均设有一个进线端和一个出线端，每个子圈体仅形成从进线端到出线端的一个电流路径，且每个子圈体的电流路径的流向相同，所有进线端焊接在一起形成位于所述圈体部表面上的进线区域，所有出线端焊接在一起形成位于所述圈体部表面上的出线区域。相较于相关技术，在B、L和音圈两端的电压一定的情况下，由进线区域和出线区域导通的每个子圈体的两端的电压与之前相同，由于分得的导线长度变小而电阻变小了，要获得与之前相同的驱动力，反而可以增加子圈体的电阻，从而可以选择质量更轻电阻更大的导线，振动质量可以更轻，中频更好。
【 附图说明】
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例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，对于本发明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它的附图，其中：
图1为本发明的第一种音圈的立体结构示意图；
图2为图1所示的第一种音圈的子圈体的立体结构示意图；
图3为本发明的第二种音圈的立体结构示意图；
图4为本发明的第一种发声器件的结构示意图；
图5为本发明的第三种音圈的立体结构示意图；
图6为本发明的第二种发声器件的结构示意图；
图7为本发明的第三种发声器件的结构示意图。
【具体实施方式】
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本发明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它实施例，都属于本发明保护的范围。
请参阅图1-2所示，本发明提供一种音圈100。所述音圈100包括圈体部11，所述圈体部11包括至少两个依次贴合的子圈体111，每个子圈体111均设有一个进线端121和一个出线端131，每个子圈体111仅形成从进线端121到出线端131的一个电流路径，且每个子圈体111的电流路径的流向相同，所有进线端121焊接在一起形成位于所述圈体部11表面上的进线区域12，所有出线端131焊接在一起形成位于所述圈体部11表面上的出线区域13。在本实施方式中，子圈体111之间上下叠设形成所述圈体部11。
在其他的实施方式中，作为一种选择，如图3所示的音圈100’，子圈体111’之间还可以内外套设形成所述圈体部11’，以同样的方式所述圈体部11’表面上形成有进线区域12’和出线区域13’。
另外，作为一种选择，每个子圈体111/111’均单独绕制，至少一个子圈体111/111’的绕线材质不同于其他子圈体111/111’的绕线材质，这样的方式可以使得形成的圈体部11/11’呈现不同的外形，例如其上形成台阶、凹槽等异型结构，从而可以适配不同的应用环境。
请参阅图4所示，本发明还提供一种发声器件200。所述发声器件200包括音圈100/100’和磁路系统201，所述音圈100/100’插设于所述磁路系统201的磁间隙202。所述发声器件200还包括柔性电路板203，所述柔性电路板203包括安装固定端204和自所述安装固定端204延伸的自由端205，所述自由端205固定于所述音圈100/100’。所述自由端205具有两个焊盘，其中一个焊盘206与进线区域连接，另一个焊盘207与出线区域连接。所述安装固定端204可以固定于所述发声器件200的一处固定位置，所述柔性电路板203起到对音圈100/100’的通电导通和辅助支撑双重作用。
请参阅图5所示，本发明还提供另一种音圈300，所述音圈300在前述音圈100/100’的基础上还进一步包括与圈体部31连接的一根进线32和一根出线33，所述进线32与进线区域34连接，所述出线33与出线区域35连接。
请参阅图6所示，本发明还提供一种发声器件400，包括音圈300。所述发声器件400还包括导电连接件401，所述导电连接件401具有两个焊盘，所述进线32与其中一个焊盘402连接，所述出线33与另一个焊盘403连接。所述导电连接件401可以是如前述发声器件200的柔性电路板，起到对音圈300的通电导通和辅助支撑双重作用，区别是所述导电连接件401其上的焊盘与所述进线32和所述出线33连接。
请参阅图7所示，本发明还提供一种发声器件500，包括音圈300。所述发声器件500还包括导电连接件501，所述导电连接件501具有两个焊盘，所述进线32与其中一个焊盘502连接，所述出线33与另一个焊盘503连接。所述导电连接件501可以是固定于所述发声器件500的一处固定位置的电路板或导电端子，所述导电连接件501仅提供对音圈300的通电导通作用。
本发明的音圈的圈体部包括至少两个依次贴合的子圈体，每个子圈体均设有一个进线端和一个出线端，每个子圈体仅形成从进线端到出线端的一个电流路径，且每个子圈体的电流路径的流向相同，所有进线端焊接在一起形成位于所述圈体部表面上的进线区域，所有出线端焊接在一起形成位于所述圈体部表面上的出线区域。相较于相关技术，在B、L和音圈两端的电压一定的情况下，由进线区域和出线区域导通的每个子圈体的两端的电压与之前相同，由于分得的导线长度变小而电阻变小了，要获得与之前相同的驱动力，反而可以增加子圈体的电阻，从而可以选择质量更轻电阻更大的导线，振动质量可以更轻，中频更好。
以上所述的仅是本发明的实施方式，在此应当指出，对于本发明领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (9)

  1. 一种音圈，应用于发声器件，所述音圈包括圈体部，其特征在于，所述圈体部包括至少两个依次贴合的子圈体，每个子圈体均设有一个进线端和一个出线端，每个子圈体仅形成从进线端到出线端的一个电流路径，且每个子圈体的电流路径的流向相同，所有进线端焊接在一起形成位于所述圈体部表面上的进线区域，所有出线端焊接在一起形成位于所述圈体部表面上的出线区域。
  2. 根据权利要求1所述的音圈，其特征在于，子圈体之间上下叠设形成所述圈体部。
  3. 根据权利要求1所述的音圈，其特征在于，子圈体之间内外套设形成所述圈体部。
  4. 根据权利要求1所述的音圈，其特征在于，每个子圈体均单独绕制，至少一个子圈体的绕线材质不同于其他子圈体的绕线材质。
  5. 根据权利要求1至4中任一项所述的音圈，其特征在于，所述音圈还包括与所述圈体部连接的一根进线和一根出线，所述进线与所述进线区域连接，所述出线与所述出线区域连接。
  6. 一种发声器件，其特征在于，包括如权利要求1至4中任一项所述的音圈。
  7. 根据权利要求6所述的发声器件，其特征在于，还包括柔性电路板，所述柔性电路板包括安装固定端和自所述安装固定端延伸的自由端，所述自由端固定于所述音圈，且所述自由端具有两个焊盘，其中一个焊盘与所述进线区域连接，另一个焊盘与所述出线区域连接。
  8. 一种发声器件，其特征在于，包括如权利要求5所述的音圈。
  9. 根据权利要求8所述的发声器件，其特征在于，还包括导电连接件，所述导电连接件具有两个焊盘，所述进线与其中一个焊盘连接，所述出线与另一个焊盘连接。
PCT/CN2022/125143 2022-08-22 2022-10-13 音圈和应用该音圈的发声器件 WO2024040720A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204993824U (zh) * 2015-07-13 2016-01-20 歌尔声学股份有限公司 一种用于电声换能器的音圈及电声换能器
US20180295451A1 (en) * 2015-04-28 2018-10-11 Icubes Co., Ltd Multi-layer voice coil plate and flat type speaker comprising the same
CN209267803U (zh) * 2018-12-20 2019-08-16 歌尔科技有限公司 发声装置
CN110418261A (zh) * 2018-04-27 2019-11-05 歌尔股份有限公司 发声单体、发声模组及电子终端
CN110418255A (zh) * 2018-04-27 2019-11-05 歌尔股份有限公司 发声单体、发声模组及电子终端

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180295451A1 (en) * 2015-04-28 2018-10-11 Icubes Co., Ltd Multi-layer voice coil plate and flat type speaker comprising the same
CN204993824U (zh) * 2015-07-13 2016-01-20 歌尔声学股份有限公司 一种用于电声换能器的音圈及电声换能器
CN110418261A (zh) * 2018-04-27 2019-11-05 歌尔股份有限公司 发声单体、发声模组及电子终端
CN110418255A (zh) * 2018-04-27 2019-11-05 歌尔股份有限公司 发声单体、发声模组及电子终端
CN209267803U (zh) * 2018-12-20 2019-08-16 歌尔科技有限公司 发声装置

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