WO2022068002A1 - 发声器件 - Google Patents

发声器件 Download PDF

Info

Publication number
WO2022068002A1
WO2022068002A1 PCT/CN2020/128836 CN2020128836W WO2022068002A1 WO 2022068002 A1 WO2022068002 A1 WO 2022068002A1 CN 2020128836 W CN2020128836 W CN 2020128836W WO 2022068002 A1 WO2022068002 A1 WO 2022068002A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
magnetic steel
main
auxiliary
yoke
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2020/128836
Other languages
English (en)
French (fr)
Inventor
宋威
令狐荣林
肖波
章统
孔晨亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022068002A1 publication Critical patent/WO2022068002A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

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

Definitions

  • the utility model relates to the field of electro-acoustic conversion, in particular to a sound-emitting device used in electronic sound box products.
  • the sound-generating device of the related art includes a basin frame, a vibration system respectively fixed to the basin frame, and a magnetic circuit system having a magnetic gap.
  • the vibration system includes a diaphragm fixed on the basin frame, and a voice coil fixed on the diaphragm and inserted in the magnetic gap to drive the diaphragm to vibrate and produce sound.
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel fixed to the magnetic yoke, and a first auxiliary magnetic steel that is arranged around the main magnetic steel and is spaced from the main magnetic steel to form the magnetic gap.
  • the first auxiliary magnets include two and are respectively located on opposite sides of the main magnets.
  • the thickness of the main magnet steel is increased along the vibration direction of the diaphragm, and the depth of the magnetic gap is The thickness of the main magnetic steel is limited, and the structure makes the height of the voice coil moving in the magnetic gap restricted by the thickness of the main magnetic steel, resulting in low sensitivity of the sounding device.
  • the purpose of the utility model is to provide a sounding device with high sensitivity and good acoustic performance.
  • the present invention provides a sound-generating device, which includes a vibration system and a magnetic circuit system with a magnetic gap that drives the vibration system to sound; a voice coil that drives the diaphragm to vibrate and sound;
  • the magnetic circuit system includes a yoke, a main magnet steel and a first auxiliary magnetic steel fixed on the magnetic yoke, the main magnetic steel and the first auxiliary magnetic steel The steels are spaced apart and together to form the magnetic gap, the first auxiliary magnetic steel includes two and is located on opposite sides of the main magnetic steel respectively; the main magnetic steel includes sequentially stacked along the vibration direction of the diaphragm.
  • the upper main magnetic steel, the main pole core and the lower main magnetic steel are provided, and the lower main magnetic steel is fixed on the magnetic yoke;
  • An upper secondary magnetic steel, a first secondary pole core and a first lower secondary magnetic steel, and the first lower secondary magnetic steel is fixed to the magnetic yoke.
  • the projection of the upper main magnetic steel to the magnetic yoke, the projection of the main pole core to the magnetic yoke, and the projection of the lower main magnetic steel to the magnetic yoke are completely coincident.
  • the magnetic circuit system further includes a first main plate, and both the first upper secondary magnet and the upper main magnet are fixed to a side of the first main plate close to the magnetic yoke.
  • a side surface of the first upper secondary magnet steel away from the yoke is flush with a side surface of the upper main magnet steel away from the yoke.
  • the utility model also provides a sounding device according to any one of the above, wherein the main magnetic steel is rectangular, the two first auxiliary magnetic steels are respectively located on opposite sides of the long axis of the main magnetic steel, the The magnetic circuit system further includes two second secondary magnets respectively located on opposite sides of the short axis of the main magnet, the main magnet is spaced apart from and shared with the first and second secondary magnets respectively enclosing the magnetic gap; the second auxiliary magnetic steel includes a second upper auxiliary magnetic steel, a second auxiliary pole core and a second lower auxiliary magnetic steel stacked in sequence along the vibration direction of the diaphragm, and the second auxiliary magnetic steel Two lower secondary magnets are fixed on the yoke.
  • the projection of the second lower secondary magnetic steel to the magnetic yoke completely coincides with the projection of the second secondary pole core to the magnetic yoke.
  • the projection of the second upper secondary magnetic steel to the magnetic yoke completely falls within the projection range of the second secondary pole core to the magnetic yoke.
  • the magnetic circuit system further includes a third main plate, the upper main magnetic steel is fixed on a side of the third main plate close to the magnetic yoke, the first upper auxiliary magnetic steel and the third main plate are The second and upper secondary magnetic steels are respectively arranged at intervals from the third main plate.
  • the utility model also provides a sound-generating device, which includes a vibration system and a magnetic circuit system with a magnetic gap for driving the vibration system to emit sound;
  • the vibration system includes a vibrating membrane and a sound-emitting device inserted in the magnetic gap to drive the vibration system.
  • the diaphragm vibrates and emits a voice coil;
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel, a first auxiliary magnetic steel and a second auxiliary magnetic steel respectively fixed to the magnetic yoke, and the main magnetic steel is respectively connected to the
  • the first auxiliary magnetic steel and the second auxiliary magnetic steel are spaced apart and together form the magnetic gap, the main magnetic steel is rectangular, and the first auxiliary magnetic steel includes two and is located at the length of the main magnetic steel.
  • the second auxiliary magnetic steel includes two and are respectively located on opposite sides of the short axis of the main magnetic steel, and the main magnetic steel includes upper magnetic steels stacked in sequence along the vibration direction of the diaphragm.
  • the magnetic circuit system further includes a second main plate
  • the second main plate includes a plate body stacked on the upper main magnet, the direction from the plate body to the first auxiliary magnet
  • the first connecting portion that is bent and extended, the first sub-clamp that is bent and extended from the first connecting portion and is stacked on the first sub-magnetic steel, and the first sub-clamp from the clamp body to the second sub-magnetic steel.
  • a sound-emitting device of the present invention is provided with a main magnetic steel fixed on the yoke and two first auxiliary magnetic steels arranged on the peripheral side of the main magnetic steel, and the two first auxiliary magnetic steels are respectively located in the main magnetic steel.
  • the vibration direction of the membrane is a first upper sub-magnet, a first sub-pole core and a first lower sub-magnet stacked in sequence.
  • the structure has a six-magnetic circuit structure, in which the main magnet is divided into an upper main magnet and a lower main magnet, the depth of the magnetic gap is increased through the main pole core, and the auxiliary magnet is also divided into the upper auxiliary magnet. and the lower secondary magnetic steel, and increase the depth of the magnetic gap through the secondary pole core; that is, the depth of the magnetic gap formed is the sum of the thicknesses of the upper main magnetic steel, the main pole core and the lower main magnetic steel, so as to ensure the driving force of the magnetic circuit space.
  • the movement range of the voice coil in the magnetic gap is wide, so that the sensitivity of the sounding device is high, so that the acoustic performance of the sounding device is excellent.
  • the utility model also provides another sound-emitting device, which is based on the above-mentioned sound-emitting device by adding two second auxiliary magnetic steels arranged on the other opposite sides of the main magnetic steel, and the second auxiliary magnetic steel includes a
  • the vibrating direction of the vibrating membrane is a second upper secondary magnetic steel, a second secondary pole core and a second lower secondary magnetic steel stacked in sequence.
  • This structure forms a ten-magnetic circuit structure, which also ensures the driving force of the magnetic circuit space, and enables the voice coil to have a wide range of motion in the magnetic gap, so that the sensitivity of the sound-emitting device is high, so that the acoustic performance of the sound-emitting device is improved. excellent.
  • the utility model also provides another sounding device, the magnetic circuit system of the sounding device includes a main magnetic steel, two first auxiliary magnetic steels respectively arranged on opposite sides of the main magnetic steel, and two other opposite magnetic steels respectively arranged on the main magnetic steel.
  • the two second auxiliary magnetic steels on the side of the main magnetic steel include the upper main magnetic steel, the main pole core and the lower main magnetic steel stacked in sequence along the vibration direction of the diaphragm; the first auxiliary magnetic steel and the second auxiliary magnetic steel Made of single magnet.
  • This structure forms a six-magnetic circuit structure, which also ensures the driving force of the magnetic circuit space, and makes the voice coil move in a wide range in the magnetic gap, so that the sensitivity of the sound-emitting device is high, so that the acoustic performance of the sound-emitting device is improved. excellent.
  • Fig. 1 is the stereoscopic structure schematic diagram of the sound-emitting device of the present invention
  • FIG. 2 is an exploded view of a partial three-dimensional structure of the sound-emitting device of the present invention
  • Fig. 3 is a sectional view along line A-A in Fig. 1;
  • FIG. 4 is a schematic diagram of the assembled three-dimensional structure of the voice coil and the magnetic circuit system of the sound-emitting device of the present invention.
  • FIG. 5 is an exploded view of the partial three-dimensional structure of FIG. 4;
  • FIG. 6 is a schematic three-dimensional structure diagram of another embodiment of the sound-emitting device of the present invention.
  • FIG. 7 is a schematic diagram of an assembled three-dimensional structure of another embodiment of the sound-emitting device of the present invention.
  • FIG. 8 is an exploded view of a partial three-dimensional structure of another embodiment of the sound-emitting device of the present invention.
  • FIG. 9 is a schematic three-dimensional structure diagram of another embodiment of the sound-emitting device of the present invention.
  • FIG. 10 is a schematic diagram of an assembled three-dimensional structure of another embodiment of the sound-emitting device of the present invention.
  • FIG. 11 is an exploded view of a partial three-dimensional structure of another embodiment of the sound-emitting device of the present invention.
  • the present invention provides a sound-generating device 100, which includes a basin frame 1, a vibration system 2 and a magnetic circuit system 3 respectively supported on the basin frame 1, and the magnetic circuit system 3 has Magnetic gap 30, the magnetic circuit system 3 drives the vibration system 2 to vibrate and sound.
  • the basin frame 1 is used to fix the vibration system 2 and the magnetic circuit system 3 .
  • the vibration system 2 includes a diaphragm 21 and a voice coil 22 inserted in the magnetic gap 30 to drive the diaphragm 21 to vibrate and produce sound.
  • the magnetic circuit system 3 includes a magnetic yoke 31 , a main magnetic steel 32 and a first secondary magnetic steel 33 fixed to the magnetic yoke 31 .
  • the yoke 31 and the diaphragm 21 are respectively disposed on opposite sides of the sound generating device 100 .
  • the main magnetic steel 32 and the first auxiliary magnetic steel 33 are spaced apart and together form the magnetic gap 30 .
  • the main magnetic steel 32 includes an upper main magnetic steel 321 , a main pole core 322 and a lower main magnetic steel 323 stacked in sequence along the vibration direction of the diaphragm 21 .
  • the lower main magnet 323 is fixed to the yoke 31 .
  • the main magnetic steel 323 is set as two magnetic steels, an upper main magnetic steel 321 and a lower main magnetic steel 323.
  • the arrangement of the two magnetic steels can enhance the driving force of the magnetic field lines of the magnetic gap 30, so that the magnetic circuit system 3 As many magnetic lines of force as possible are cut by the voice coil 22 to form a larger space for the magnetic circuit of the driving force.
  • this structure increases the depth of the magnetic gap 30 through the main pole core 322, that is, the depth of the formed magnetic gap 30 is the sum of the thicknesses of the three components of the upper main magnetic steel 321, the main pole core 322 and the lower main magnetic steel 323, thereby The driving force of the magnetic lines of force of the magnetic gap 30 is ensured, and the movement range of the voice coil 22 in the magnetic gap 30 is wide, so that the sensitivity of the sounding device 100 is high, and the acoustic performance of the sounding device 100 is excellent.
  • the projection of the upper main magnet 321 to the yoke 31 , the projection of the main pole core 322 to the yoke 31 , and the projection of the lower main magnet 321 to the yoke 31 are completely coincident.
  • This structure enables the main magnetic steel 32 to form an integrated structure, so that the magnetic field in the magnetic gap 30 is more balanced, and at the same time, it is easier to manufacture and assemble.
  • the first auxiliary magnetic steel 33 includes two and is located on opposite sides of the main magnetic steel 32 respectively.
  • the first secondary magnetic steel 33 includes a first upper secondary magnetic steel 331 , a first secondary pole core 332 and a first lower secondary magnetic steel 333 stacked in sequence along the vibration direction of the diaphragm 21 .
  • the first lower secondary magnet 333 is fixed to the yoke 31 .
  • This structure forms a six-magnetic circuit structure, and makes the first secondary magnetic steel 33 completely match the main magnetic steel 32 in height, so that the magnetic field in the magnetic gap 30 formed is more balanced, thereby ensuring the magnetic gap.
  • the driving force of the magnetic lines of force 30 is used, and the movement range of the voice coil 22 in the magnetic gap 30 is wide.
  • the projection of the first upper secondary magnetic steel 331 to the yoke 31, the projection of the first secondary pole core 332 to the yoke 31, and the The projections of the first lower secondary magnetic steel 333 to the magnetic yoke 31 are completely coincident.
  • This structure enables the first secondary pole core 332 to form an integrated structure, so that the magnetic field in the magnetic gap 30 is more balanced, and at the same time, it is easier to manufacture and assemble.
  • the magnetic circuit system 3 further includes a first main plate 34, and the first upper sub-magnet 331 and the upper main magnet 321 are both fixed to the first main plate 34 close to the one side of the yoke 31.
  • the setting of the first main plate 34 increases the magnetic field strength of the magnetic gap 30 formed by the main magnetic steel 32 and the first auxiliary magnetic steel 33 respectively, so that the sensitivity of the sounding device 100 is high, so that the Excellent acoustic performance.
  • the present invention provides a sound-generating device 200 .
  • the sound-generating device 200 adds two magnetic steels on the basis of the sound-generating device 100 to form a ten-magnetic circuit structure.
  • the structure changes from a six-magnetic-circuit structure to a ten-magnetic-circuit structure.
  • the main magnet 32b is rectangular.
  • the two first auxiliary magnetic steels 33b are respectively located on opposite sides of the long axis of the main magnetic steel 32b.
  • the magnetic circuit system 3b further includes two second secondary magnets 37b respectively located on opposite sides of the short axis of the main magnet 32b. This structure makes use of the magnetic circuit space on both sides of the long axis and the short axis of the main magnet 32b, thereby increasing the volume of the magnetic gap 30b and making the magnetic field in the magnetic gap 30b more balanced.
  • the first secondary magnetic steel 33b includes a first upper secondary magnetic steel 331b, a first secondary pole core 332b and a first lower secondary magnetic steel 333b that are stacked in sequence along the vibration direction of the diaphragm 21 .
  • the first lower secondary magnet 333b is fixed to the yoke 31b.
  • the second secondary magnetic steel 37b includes a second upper secondary magnetic steel 371b, a second secondary pole core 372b and a second lower secondary magnetic steel 373b stacked in sequence along the vibration direction of the diaphragm 21.
  • the secondary magnet 373b is fixed to the yoke 31b.
  • the projection of the second lower secondary magnetic steel 373b to the magnetic yoke 31b and the projection of the second secondary pole core 372b to the magnetic are completely coincident.
  • This structure enables the second lower secondary magnetic steel 373b and the second secondary pole core 372b to form an integrated structure, so that the magnetic field in the magnetic gap 30b is more balanced, and at the same time, it is easier to manufacture and assemble.
  • the projection of the second upper secondary magnetic steel 371b to the magnetic yoke 31b completely falls within the projection range of the second secondary pole core 372b to the magnetic yoke.
  • This structure makes the structure of the first secondary magnetic steel 33b more flexible, easy to install, and can make the magnetic field in the magnetic gap 30b more balanced, and at the same time, it is easier to manufacture and assemble.
  • the magnetic circuit system 3 includes a third main plate 36 , that is, the second main plate 35 is replaced by the third main plate 36 .
  • the upper main magnetic steel 321b is fixed on the side of the third main plate 36 close to the magnetic yoke 31b, and the first upper auxiliary magnetic steel 331b and the second upper auxiliary magnetic steel 371b are respectively connected with
  • the third main plates 36 are arranged at intervals.
  • the setting of the third main plate 36 increases the magnetic field strength of the magnetic gap 30b formed by the main magnetic steel 32b and the first auxiliary magnetic steel 33b and the second auxiliary magnetic steel 37b respectively, so that the sensitivity of the sounding device is increased. high, so that the acoustic performance of the sound-emitting device is excellent.
  • the structure of the sound-emitting device 200 forms a ten-magnetic circuit structure, which also ensures the driving force of the magnetic circuit space, and enables the voice coil 22 to have a wide range of motion in the magnetic gap 30b, so that the sound-emitting device 200
  • the sensitivity is high, so that the acoustic performance of the sound-emitting device 200 is excellent.
  • the present invention provides a sound-emitting device 300.
  • the sound-emitting device 300 differs from the sound-emitting device 200 in that the first pair of magnetic steels and the second pair of magnetic steels have different structures.
  • Device 300 forms a six magnetic circuit structure.
  • the main magnet 32a is rectangular.
  • the two first auxiliary magnetic steels 33a are respectively located on opposite sides of the long axis of the main magnetic steel 32a.
  • the magnetic circuit system 3a further includes two second auxiliary magnetic steels 37a respectively located on opposite sides of the short axis of the main magnetic steel 32a.
  • the main magnetic steel 32a is spaced apart from the first auxiliary magnetic steel 33a and the second auxiliary magnetic steel 37a respectively and together form the magnetic gap 30a.
  • This structure makes use of the magnetic circuit space on both sides of the long axis and the short axis of the main magnet 32 , thereby increasing the volume of the magnetic gap 30 a and making the magnetic field in the magnetic gap 30 more balanced.
  • the first secondary magnetic steel 33a and the second secondary magnetic steel 37a are made of a single magnetic steel. This structure forms another six-magnetic circuit structure.
  • the magnetic circuit system 3a further includes a second main plate 35 . That is, the first main plate 34 of the sound generating device 200 is replaced by the second main plate 35 .
  • the second main plate 35 includes a plate body 351 stacked on the upper main magnet 321a, and a first connection that is bent and extended from the plate body 351 to the direction of the first auxiliary magnet 33a part 352, the first sub-clamp 353 bent and extended from the first connecting part 352 and stacked on the first sub-magnet 33a, the direction from the clamp body 351 to the second sub-magnet 37a
  • the second connecting portion 354 is bent and extended, and the second sub-clamp 355 is bent and extended from the second connecting portion 354 and is stacked on the second sub-magnetic steel 37a.
  • the setting of the second main plate 35 increases the magnetic field strength of the magnetic gap 30 a formed by the main magnetic steel 32 a and the first auxiliary magnetic steel 33 a and the second auxiliary magnetic steel 37 a respectively, so that the sound-emitting device has a higher magnetic field strength.
  • the sensitivity is high, so that the acoustic performance of the sound-emitting device is excellent.
  • the structure of the sounding device 300 forms another six-magnetic circuit structure. This structure also ensures the driving force of the magnetic circuit space and enables the voice coil 22 to have a wide range of motion in the magnetic gap 30a, so that the The sensitivity of the sound-emitting device 300 is high, so that the acoustic performance of the sound-emitting device 300 is excellent.
  • a sound-emitting device of the present invention is provided with a main magnetic steel fixed on the yoke and two first auxiliary magnetic steels arranged on the peripheral side of the main magnetic steel, and the two first auxiliary magnetic steels are respectively located in the main magnetic steel.
  • the vibration direction of the membrane is a first upper sub-magnet, a first sub-pole core and a first lower sub-magnet stacked in sequence.
  • the structure has a six-magnetic circuit structure, in which the main magnet is divided into an upper main magnet and a lower main magnet, the depth of the magnetic gap is increased through the main pole core, and the auxiliary magnet is also divided into the upper auxiliary magnet.
  • the depth of the magnetic gap is increased through the secondary pole core; that is, the depth of the magnetic gap formed is the sum of the thicknesses of the upper main magnetic steel, the main pole core and the lower main magnetic steel, so as to ensure the driving force of the magnetic circuit space.
  • the movement range of the voice coil in the magnetic gap is wide, so that the sensitivity of the sounding device is high, so that the acoustic performance of the sounding device is excellent.
  • the utility model also provides another sound-generating device.
  • the sound-generating device is based on the above-mentioned sound-generating device by adding two second auxiliary magnetic steels arranged on the other opposite sides of the main magnetic steel, and the second auxiliary magnetic steel includes a
  • the vibration direction of the vibrating membrane is a second upper secondary magnetic steel, a second secondary pole core and a second lower secondary magnetic steel stacked in sequence.
  • This structure forms a ten-magnetic circuit structure, which also ensures the driving force of the magnetic circuit space, and enables the voice coil to have a wide range of motion in the magnetic gap, so that the sensitivity of the sound-emitting device is high, so that the acoustic performance of the sound-emitting device is improved. excellent.
  • the utility model also provides another sound-emitting device, the magnetic circuit system of the sound-emitting device includes a main magnet, two first auxiliary magnets respectively arranged on opposite sides of the main magnet, and two other opposite magnets respectively arranged on the main magnet.
  • the two second auxiliary magnetic steels on the side of the main magnetic steel include the upper main magnetic steel, the main pole core and the lower main magnetic steel stacked in sequence along the vibration direction of the diaphragm; the first auxiliary magnetic steel and the second auxiliary magnetic steel Made of single magnet.
  • This structure forms a six-magnetic circuit structure, which also ensures the driving force of the magnetic circuit space, and makes the voice coil move in a wide range in the magnetic gap, so that the sensitivity of the sound-emitting device is high, so that the acoustic performance of the sound-emitting device is improved. excellent.

Landscapes

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

Abstract

本申请提供了一种发声器件，其包括振动系统和驱动振动系统发声的具有磁间隙的磁路系统；振动系统包括振膜和插设于磁间隙以驱动振膜振动发声的音圈；磁路系统包括磁轭以及固定于磁轭的主磁钢和第一副磁钢，主磁钢与第一副磁钢间隔并共同围成磁间隙，第一副磁钢包括两个且分别位于主磁钢的相对两侧；主磁钢包括沿振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢，下主磁钢固定于磁轭。本申请提供了两种发声器件，两种发声器件的主磁钢包括沿振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢，下主磁钢固定于磁轭。与相关技术相比，本申请的发声器件的灵敏度高且声学性能好。

Description

发声器件 技术领域
本实用新型涉及电声转换领域，尤其涉及一种运用于电子音箱产品的发声器件。
背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的发声器件被大量应用到现在的智能移动设备之中。
相关技术的所述发声器件包括盆架和分别固定于所述盆架的振动系统及具有磁间隙的磁路系统。所述振动系统包括固定于所述盆架的振膜、固定于所述振膜并插设于所述磁间隙以驱动所述振膜振动发声的音圈。所述磁路系统包括磁轭、固定于所述磁轭的主磁钢和环设于所述主磁钢并与所述主磁钢间隔形成所述磁间隙的第一副磁钢，所述第一副磁钢包括两个且分别位于所述主磁钢的相对两侧。
然而，相关技术的所述发声器件中，为了更好将增强所述磁路系统的驱动能力，将所述主磁钢沿所述振膜的振动方向增加厚度，所述磁间隙的深度为所述主磁钢的厚度，该结构使得所述音圈在所述磁间隙内运动的高度受到所述主磁钢的厚度制约，从而造成所述发声器件灵敏度低。
因此，实有必要提供一种新的发声器件解决上述技术问题。
 技术问题
本实用新型的目的在于提供一种灵敏度高且声学性能好的发声器件。
 技术解决方案
为了达到上述目的，本实用新型提供了一种发声器件，其包括振动系统和驱动所述振动系统发声的具有磁间隙的磁路系统；所述振动系统包括振膜和插设于所述磁间隙以驱动所述振膜振动发声的音圈；所述磁路系统包括磁轭以及固定于所述磁轭的主磁钢和第一副磁钢，所述主磁钢与所述第一副磁钢间隔并共同围成所述磁间隙，所述第一副磁钢包括两个且分别位于所述主磁钢的相对两侧；所述主磁钢包括沿所述振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢，所述下主磁钢固定于所述磁轭；所述第一副磁钢包括沿所述振膜的振动方向依次叠设的第一上副磁钢、第一副极芯以及第一下副磁钢，所述第一下副磁钢固定于所述磁轭。
优选的，沿所述振膜的振动方向，所述上主磁钢向所述磁轭的投影、所述主极芯向所述磁轭的投影以及所述下主磁钢向所述磁轭的投影完全重合；沿所述振膜的振动方向，所述第一上副磁钢向所述磁轭的投影、所述第一副极芯向所述磁轭的投影以及所述第一下副磁钢向所述磁轭的投影完全重合。
优选的，所述磁路系统还包括第一主夹板，所述第一上副磁钢和所述上主磁钢均固定于所述第一主夹板靠近所述磁轭的一侧。
优选的，所述第一上副磁钢远离所述磁轭的一侧表面与所述上主磁钢远离所述磁轭的一侧表面齐平。
本实用新型还提供了一种如上中任意一项的发声器件，所述主磁钢呈矩形，两个所述第一副磁钢分别位于所述主磁钢的长轴相对两侧，所述磁路系统还包括分别位于所述主磁钢的短轴相对两侧的两个第二副磁钢，所述主磁钢分别与所述第一副磁钢和第二副磁钢间隔并共同围成所述磁间隙；所述第二副磁钢包括沿所述振膜的振动方向依次叠设的第二上副磁钢、第二副极芯以及第二下副磁钢，所述第二下副磁钢固定于所述磁轭。
优选的，沿所述振膜的振动方向，所述第二下副磁钢向所述磁轭的投影和所述第二副极芯向所述磁轭的投影完全重合。
优选的，所述第二上副磁钢向所述磁轭的投影完全落入所述第二副极芯向所述磁轭的投影范围内。
优选的，所述磁路系统还包括第三主夹板，所述上主磁钢固定于所述第三主夹板靠近所述磁轭的一侧，所述第一上副磁钢和所述第二上副磁钢分别与所述第三主夹板间隔设置。
本实用新型还提供了一种发声器件，其包括振动系统和驱动所述振动系统发声的具有磁间隙的磁路系统；所述振动系统包括振膜和插设于所述磁间隙以驱动所述振膜振动发声的音圈；所述磁路系统包括磁轭和分别固定于所述磁轭的主磁钢、第一副磁钢及第二副磁钢，所述主磁钢分别与所述第一副磁钢和所述第二副磁钢间隔并共同围成所述磁间隙，所述主磁钢呈矩形，所述第一副磁钢包括两个且分别位于所述主磁钢长轴的相对两侧，所述第二副磁钢包括两个且分别位于所述主磁钢短轴的相对两侧，所述主磁钢包括沿所述振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢，所述下主磁钢固定于所述磁轭；所述第一副磁钢和所述第二副磁钢为单一磁钢制成。
优选的，所述磁路系统还包括第二主夹板，所述第二主夹板包括叠设于所述上主磁钢的夹板本体、由所述夹板本体向所述第一副磁钢的方向弯折延伸的第一连接部、由所述第一连接部弯折延伸且叠设于所述第一副磁钢的第一副夹板、由所述夹板本体向所述第二副磁钢的方向弯折延伸的第二连接部以及由所述第二连接部弯折延伸且叠设于所述第二副磁钢的第二副夹板。
 有益效果
与相关技术相比，本实用新型的一种发声器件设置固定于磁轭的主磁钢以及设置于主磁钢周侧的两个第一副磁钢，两个第一副磁钢分别位于主磁钢的相对两侧；同时，将主磁钢包括沿振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢；并将第一副磁钢包括沿所述振膜的振动方向依次叠设的第一上副磁钢、第一副极芯以及第一下副磁钢。该结构行程六磁路结构，其中主磁钢拆分为上主磁钢和下主磁钢，并通过主极芯将磁间隙的深度增加，同时将副磁钢也拆分为上副磁钢和下副磁钢，并通过副极芯将磁间隙的深度增加；就是形成的磁间隙深度为上主磁钢、主极芯以及下主磁钢的厚度总和，从而保证磁路空间的驱动力的同时，并使得音圈在磁间隙内的运动范围广，使得发声器件的灵敏度高，从而使发声器件的声学性能优。本实用新型还提供另一种发声器件，该发声器件在上述发声器件的基础上，增加设置于主磁钢另外相对两侧的两个第二副磁钢，并将第二副磁钢包括沿所述振膜的振动方向依次叠设的第二上副磁钢、第二副极芯以及第二下副磁钢。该结构形成十磁路结构，该结构也同样从而保证磁路空间的驱动力的同时，并使得音圈在磁间隙内的运动范围广，使得发声器件的灵敏度高，从而使发声器件的声学性能优。本实用新型还提供其他一种发声器件，该发声器件的磁路系统包括主磁钢、分别设置主磁钢的相对两侧的两个第一副磁钢以及分别设置于主磁钢另外相对两侧的两个第二副磁钢，将主磁钢包括沿振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢；第一副磁钢和第二副磁钢为单一磁钢制成。该结构形成六磁路结构，该结构也同样从而保证磁路空间的驱动力的同时，并使得音圈在磁间隙内的运动范围广，使得发声器件的灵敏度高，从而使发声器件的声学性能优。
 附图说明
为了更清楚地说明本实用新型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实用新型的一些实施例，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它的附图，其中：
图1为本实用新型发声器件的立体结构示意图；
图2为本实用新型发声器件的部分立体结构分解图；
图3为沿图1中A-A线的剖示图；
图4为本实用新型发声器件音圈与磁路系统的组装立体结构示意图；
图5为图4的部分立体结构分解图；
图6为本实用新型发声器件另一种实施例的立体结构示意图；
图7为本实用新型发声器件另一种实施例的组装立体结构示意图；
图8为本实用新型发声器件另一种实施例的部分立体结构分解图；
图9为本实用新型发声器件其他一种实施例的立体结构示意图；
图10为本实用新型发声器件其他一种实施例的组装立体结构示意图；
图11为本实用新型发声器件其他一种实施例的部分立体结构分解图。
 本发明的实施方式
下面将结合本实用新型实施例中的附图，对本实用新型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实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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它实施例，都属于本实用新型保护的范围。
请同时参阅图1-5，本实用新型提供了一种发声器件100，其包括盆架1、分别支撑于所述盆架1的振动系统2和磁路系统3，所述磁路系统3具有磁间隙30，所述磁路系统3驱动所述振动系统2振动发声。
所述盆架1用于固定所述振动系统2和所述磁路系统3。
所述振动系统2包括振膜21和插设于所述磁间隙30以驱动所述振膜21振动发声的音圈22。
所述磁路系统3包括磁轭31以及固定于所述磁轭31的主磁钢32和第一副磁钢33。
所述磁轭31与所述振膜21分别设置于所述发声器件100的相对两侧。
所述主磁钢32与所述第一副磁钢33间隔并共同围成所述磁间隙30。具体的，所述主磁钢32包括沿所述振膜21的振动方向依次叠设的上主磁钢321、主极芯322以及下主磁钢323。其中，所述下主磁钢323固定于所述磁轭31。该结构将所述主磁钢323设置为上主磁钢321和下主磁钢323两个磁钢，两个磁钢设置可以增强磁间隙30的磁力线的驱动力, 使所述磁路系统3的磁力线尽可能多的被所述音圈22切割，以形成更大的驱动力磁路空间。并且该结构通过主极芯322将磁间隙30的深度增加，也就是形成的磁间隙30深度为上主磁钢321、主极芯322以及下主磁钢323的三个部件的厚度总和，从而保证磁间隙30的磁力线的驱动力的同时，并使得音圈22在磁间隙30内的运动范围广，使得发声器件100的灵敏度高，从而使发声器件100的声学性能优。
本实施方式中，沿所述振膜21的振动方向，所述上主磁钢321向所述磁轭31的投影、所述主极芯322向所述磁轭31的投影以及所述下主磁钢323向所述磁轭31的投影完全重合。该结构使得所述主磁钢32形成一体结构，以使的所述磁间隙30内的磁场更为均衡，同时更易于制造和装配。
所述第一副磁钢33包括两个且分别位于所述主磁钢32的相对两侧。
本实施方式中，所述第一副磁钢33包括沿所述振膜21的振动方向依次叠设的第一上副磁钢331、第一副极芯332以及第一下副磁钢333。所述第一下副磁钢333固定于所述磁轭31。该结构形成六磁路结构，并使得所述第一副磁钢33与所述主磁钢32在高度上完全匹配，形成的所述磁间隙30内的磁场更为均衡，从而使得保证磁间隙30的磁力线的驱动力的同时，并使得音圈22在磁间隙30内的运动范围广。
更优的，沿所述振膜21的振动方向，所述第一上副磁钢331向所述磁轭31的投影、所述第一副极芯332向所述磁轭31的投影以及所述第一下副磁钢333向所述磁轭31的投影完全重合。该结构使得所述第一副极芯332形成一体结构，以使的所述磁间隙30内的磁场更为均衡，同时更易于制造和装配。
本实施方式中，所述第一上副磁钢331远离所述磁轭31的一侧表面与所述上主磁钢321远离所述磁轭31的一侧表面齐平。该结构使得所述磁间隙30内的磁场更为均衡，同时还有利于安装固定用于增加磁力线的夹板。在该结构的基础上，所述磁路系统3还包括第一主夹板34，所述第一上副磁钢331和所述上主磁钢321均固定于所述第一主夹板34靠近所述磁轭31的一侧。所述第一主夹板34的设置增加所述主磁钢32分别与所述第一副磁钢33形成所述磁间隙30的磁场强度，使得发声器件100的灵敏度高，从而使发声器件100的声学性能优。
请同时参阅图6-8，本实用新型提供了一种发声器件200，所述发声器件200在所述发声器件100的基础上增加两个磁钢，形成十磁路结构。该结构由六磁路结构变成十磁路结构。所述主磁钢32b呈矩形。两个所述第一副磁钢33b分别位于所述主磁钢32b的长轴相对两侧。所述磁路系统3b还包括分别位于所述主磁钢32b的短轴相对两侧的两个第二副磁钢37b。该结构使得所述主磁钢32b的长轴两侧和短轴两侧的磁路空间均利用起来，从而使得所述磁间隙30b体积增加，所述磁间隙30b内的磁场更为均衡。
具体的，所述第一副磁钢33b包括沿所述振膜21的振动方向依次叠设的第一上副磁钢331b、第一副极芯332b以及第一下副磁钢333b，所述第一下副磁钢333b固定于所述磁轭31b。所述第二副磁钢37b包括沿所述振膜21的振动方向依次叠设的第二上副磁钢371b、第二副极芯372b以及第二下副磁钢373b，所述第二下副磁钢373b固定于所述磁轭31b。
所述发声器件200的实施方式中，沿所述振膜21的振动方向，所述第二下副磁钢373b向所述磁轭31b的投影和所述第二副极芯372b向所述磁轭31b的投影完全重合。该结构使得所述第二下副磁钢373b和所述第二副极芯372b形成一体结构，以使的所述磁间隙30b内的磁场更为均衡，同时更易于制造和装配。
为了配合所述发声器件200的部件安装方便，所述第二上副磁钢371b向所述磁轭31b的投影完全落入所述第二副极芯372b向所述磁轭的投影范围内。该结构使所述第一副磁钢33b的结构更为灵活，易于安装并可以使得所述磁间隙30b内的磁场更为均衡，同时更易于制造和装配。
当然，根据所述第一副磁钢33b和所述第二副磁钢37b的结构。所述磁路系统3包括第三主夹板36，即用所述第三主夹板36替代所述第二主夹板35。具体的，所述上主磁钢321b固定于所述第三主夹板36靠近所述磁轭31b的一侧，所述第一上副磁钢331b和所述第二上副磁钢371b分别与所述第三主夹板36间隔设置。所述第三主夹板36的设置增加所述主磁钢32b分别与所述第一副磁钢33b、所述第二副磁钢37b形成所述磁间隙30b的磁场强度，使得发声器件的灵敏度高，从而使发声器件的声学性能优。
综合上述，所述发声器件200该结构形成十磁路结构，该结构也同样从而保证磁路空间的驱动力的同时，并使得音圈22在磁间隙30b内的运动范围广，使得发声器件200的灵敏度高，从而使发声器件200的声学性能优。
请同时参阅图9-11，本实用新型提供了一种发声器件300，所述发声器件300与所述发声器件200区别在于第一副磁钢和第二副磁钢的构成不同，所述发声器件300形成六磁路结构。具体的，所述主磁钢32a呈矩形。两个所述第一副磁钢33a分别位于所述主磁钢32a的长轴相对两侧。所述磁路系统3a还包括分别位于所述主磁钢32a的短轴相对两侧的两个第二副磁钢37a。所述主磁钢32a分别与所述第一副磁钢33a和第二副磁钢37a间隔并共同围成所述磁间隙30a。该结构使得所述主磁钢32的长轴两侧和短轴两侧的磁路空间均利用起来，从而使得所述磁间隙30a体积增加，所述磁间隙30内的磁场更为均衡。
在所述发声器件300的实施方式中，所述第一副磁钢33 a和第二副磁钢37a为单一磁钢制成。该结构形成另一种六磁路结构，为了保证所述磁间隙30a的形状均匀和体积大，所述磁路系统3a还包括第二主夹板35。即用所述第二主夹板35替代所述发声器件200的所述第一主夹板34。具体的，所述第二主夹板35包括叠设于所述上主磁钢321a的夹板本体351、由所述夹板本体351向所述第一副磁钢33a的方向弯折延伸的第一连接部352、由所述第一连接部352弯折延伸且叠设于所述第一副磁钢33a的第一副夹板353、由所述夹板本体351向所述第二副磁钢37a的方向弯折延伸的第二连接部354以及由所述第二连接部354弯折延伸且叠设于所述第二副磁钢37a的第二副夹板355。所述第二主夹板35的设置增加所述主磁钢32a分别与所述第一副磁钢33a、所述第二副磁钢37a形成所述磁间隙30 a的磁场强度，使得发声器件的灵敏度高，从而使发声器件的声学性能优。
综合上述，所述发声器件300该结构形成另一种六磁路结构，该结构也同样从而保证磁路空间的驱动力的同时，并使得音圈22在磁间隙30a内的运动范围广，使得发声器件300的灵敏度高，从而使发声器件300的声学性能优。
与相关技术相比，本实用新型的一种发声器件设置固定于磁轭的主磁钢以及设置于主磁钢周侧的两个第一副磁钢，两个第一副磁钢分别位于主磁钢的相对两侧；同时，将主磁钢包括沿振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢；并将第一副磁钢包括沿所述振膜的振动方向依次叠设的第一上副磁钢、第一副极芯以及第一下副磁钢。该结构行程六磁路结构，其中主磁钢拆分为上主磁钢和下主磁钢，并通过主极芯将磁间隙的深度增加，同时将副磁钢也拆分为上副磁钢和下副磁钢，并通过副极芯将磁间隙的深度增加；就是形成的磁间隙深度为上主磁钢、主极芯以及下主磁钢的厚度总和，从而保证磁路空间的驱动力的同时，并使得音圈在磁间隙内的运动范围广，使得发声器件的灵敏度高，从而使发声器件的声学性能优。本实用新型还提供另一种发声器件，该发声器件在上述发声器件的基础上，增加设置于主磁钢另外相对两侧的两个第二副磁钢，并将第二副磁钢包括沿所述振膜的振动方向依次叠设的第二上副磁钢、第二副极芯以及第二下副磁钢。该结构形成十磁路结构，该结构也同样从而保证磁路空间的驱动力的同时，并使得音圈在磁间隙内的运动范围广，使得发声器件的灵敏度高，从而使发声器件的声学性能优。本实用新型还提供其他一种发声器件，该发声器件的磁路系统包括主磁钢、分别设置主磁钢的相对两侧的两个第一副磁钢以及分别设置于主磁钢另外相对两侧的两个第二副磁钢，将主磁钢包括沿振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢；第一副磁钢和第二副磁钢为单一磁钢制成。该结构形成六磁路结构，该结构也同样从而保证磁路空间的驱动力的同时，并使得音圈在磁间隙内的运动范围广，使得发声器件的灵敏度高，从而使发声器件的声学性能优。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种发声器件，其包括振动系统和驱动所述振动系统发声的具有磁间隙的磁路系统；所述振动系统包括振膜和插设于所述磁间隙以驱动所述振膜振动发声的音圈；所述磁路系统包括磁轭以及固定于所述磁轭的主磁钢和第一副磁钢，所述主磁钢与所述第一副磁钢间隔并共同围成所述磁间隙，所述第一副磁钢包括两个且分别位于所述主磁钢的相对两侧；其特征在于，所述主磁钢包括沿所述振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢，所述下主磁钢固定于所述磁轭；所述第一副磁钢包括沿所述振膜的振动方向依次叠设的第一上副磁钢、第一副极芯以及第一下副磁钢，所述第一下副磁钢固定于所述磁轭。
  2. 根据权利要求1所述的发声器件，其特征在于，沿所述振膜的振动方向，所述上主磁钢向所述磁轭的投影、所述主极芯向所述磁轭的投影以及所述下主磁钢向所述磁轭的投影完全重合；沿所述振膜的振动方向，所述第一上副磁钢向所述磁轭的投影、所述第一副极芯向所述磁轭的投影以及所述第一下副磁钢向所述磁轭的投影完全重合。
  3. 根据权利要求1所述的发声器件，其特征在于，所述磁路系统还包括第一主夹板，所述第一上副磁钢和所述上主磁钢均固定于所述第一主夹板靠近所述磁轭的一侧。
  4. 根据权利要求3所述的发声器件，其特征在于，所述第一上副磁钢远离所述磁轭的一侧表面与所述上主磁钢远离所述磁轭的一侧表面齐平。
  5. 一种如所述权利要求1-4中任意一项的发声器件，其特征在于，所述主磁钢呈矩形，两个所述第一副磁钢分别位于所述主磁钢的长轴相对两侧，所述磁路系统还包括分别位于所述主磁钢的短轴相对两侧的两个第二副磁钢，所述主磁钢分别与所述第一副磁钢和第二副磁钢间隔并共同围成所述磁间隙；所述第二副磁钢包括沿所述振膜的振动方向依次叠设的第二上副磁钢、第二副极芯以及第二下副磁钢，所述第二下副磁钢固定于所述磁轭。
  6. 根据权利要求5所述的发声器件，其特征在于，沿所述振膜的振动方向，所述第二下副磁钢向所述磁轭的投影和所述第二副极芯向所述磁轭的投影完全重合。
  7. 根据权利要求6所述的发声器件，其特征在于，所述第二上副磁钢向所述磁轭的投影完全落入所述第二副极芯向所述磁轭的投影范围内。
  8. 根据权利要求5所述的发声器件，其特征在于，所述磁路系统还包括第三主夹板，所述上主磁钢固定于所述第三主夹板靠近所述磁轭的一侧，所述第一上副磁钢和所述第二上副磁钢分别与所述第三主夹板间隔设置。
  9. 一种发声器件，其包括振动系统和驱动所述振动系统发声的具有磁间隙的磁路系统；所述振动系统包括振膜和插设于所述磁间隙以驱动所述振膜振动发声的音圈；所述磁路系统包括磁轭和分别固定于所述磁轭的主磁钢、第一副磁钢及第二副磁钢，所述主磁钢分别与所述第一副磁钢和所述第二副磁钢间隔并共同围成所述磁间隙，所述主磁钢呈矩形，所述第一副磁钢包括两个且分别位于所述主磁钢长轴的相对两侧，所述第二副磁钢包括两个且分别位于所述主磁钢短轴的相对两侧，其特征在于，所述主磁钢包括沿所述振膜的振动方向依次叠设的上主磁钢、主极芯以及下主磁钢，所述下主磁钢固定于所述磁轭；所述第一副磁钢和所述第二副磁钢为单一磁钢制成。
  10. 根据权利要求9所述的发声器件，其特征在于，所述磁路系统还包括第二主夹板，所述第二主夹板包括叠设于所述上主磁钢的夹板本体、由所述夹板本体向所述第一副磁钢的方向弯折延伸的第一连接部、由所述第一连接部弯折延伸且叠设于所述第一副磁钢的第一副夹板、由所述夹板本体向所述第二副磁钢的方向弯折延伸的第二连接部以及由所述第二连接部弯折延伸且叠设于所述第二副磁钢的第二副夹板。
PCT/CN2020/128836 2020-09-30 2020-11-13 发声器件 Ceased WO2022068002A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022223338.7U CN213462287U (zh) 2020-09-30 2020-09-30 发声器件
CN202022223338.7 2020-09-30

Publications (1)

Publication Number Publication Date
WO2022068002A1 true WO2022068002A1 (zh) 2022-04-07

Family

ID=76288027

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/128836 Ceased WO2022068002A1 (zh) 2020-09-30 2020-11-13 发声器件

Country Status (2)

Country Link
CN (1) CN213462287U (zh)
WO (1) WO2022068002A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114866922A (zh) * 2022-05-07 2022-08-05 歌尔股份有限公司 发声装置和电子终端

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008035055A (ja) * 2006-07-27 2008-02-14 Citizen Electronics Co Ltd 導電型スピーカ
CN205356672U (zh) * 2015-12-24 2016-06-29 瑞声光电科技(常州)有限公司 扬声器
CN206498525U (zh) * 2017-01-12 2017-09-15 吉林航盛电子有限公司 一种能够增强磁间隙磁场的磁路装置和扬声器
CN207766533U (zh) * 2017-12-27 2018-08-24 Tcl通力电子（惠州）有限公司 发声器件
CN209390360U (zh) * 2018-12-31 2019-09-13 瑞声科技(新加坡)有限公司 耳机芯
CN209659586U (zh) * 2018-12-29 2019-11-19 瑞声科技(新加坡)有限公司 发声器件
CN111405423A (zh) * 2019-11-21 2020-07-10 瑞声科技(新加坡)有限公司 一种扬声器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008035055A (ja) * 2006-07-27 2008-02-14 Citizen Electronics Co Ltd 導電型スピーカ
CN205356672U (zh) * 2015-12-24 2016-06-29 瑞声光电科技(常州)有限公司 扬声器
CN206498525U (zh) * 2017-01-12 2017-09-15 吉林航盛电子有限公司 一种能够增强磁间隙磁场的磁路装置和扬声器
CN207766533U (zh) * 2017-12-27 2018-08-24 Tcl通力电子（惠州）有限公司 发声器件
CN209659586U (zh) * 2018-12-29 2019-11-19 瑞声科技(新加坡)有限公司 发声器件
CN209390360U (zh) * 2018-12-31 2019-09-13 瑞声科技(新加坡)有限公司 耳机芯
CN111405423A (zh) * 2019-11-21 2020-07-10 瑞声科技(新加坡)有限公司 一种扬声器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114866922A (zh) * 2022-05-07 2022-08-05 歌尔股份有限公司 发声装置和电子终端

Also Published As

Publication number Publication date
CN213462287U (zh) 2021-06-15

Similar Documents

Publication Publication Date Title
WO2021258439A1 (zh) 发声器件
CN209390352U (zh) 发声器件
WO2020134345A1 (zh) 发声器件
CN109889959B (zh) 发声器件
WO2020134346A1 (zh) 发声器件
CN210093501U (zh) 扬声器
WO2020140544A1 (zh) 发声器件
CN206894884U (zh) 发声器件
WO2021258440A1 (zh) 发声器件
WO2021174576A1 (zh) 发声器件
WO2024130814A1 (zh) 发声器件
CN118678270B (zh) 发声装置和电子设备
CN118678268B (zh) 发声装置和电子设备
WO2024087300A1 (zh) 多功能发声器件
WO2021253534A1 (zh) 发声器件
CN118678269A (zh) 发声装置和电子设备
CN110166902B (zh) 发声器件
WO2020134344A1 (zh) 发声器件
WO2021223255A1 (zh) 发声器件
WO2022007170A1 (zh) 发声器件
WO2022110431A1 (zh) 发声器件
WO2022067985A1 (zh) 发声器件
WO2022067973A1 (zh) 发声器件
CN209390356U (zh) 扬声器
CN208924468U (zh) 发声器件

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20956021

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20956021

Country of ref document: EP

Kind code of ref document: A1