WO2024045235A1 - 发声器件 - Google Patents
发声器件 Download PDFInfo
- Publication number
- WO2024045235A1 WO2024045235A1 PCT/CN2022/120143 CN2022120143W WO2024045235A1 WO 2024045235 A1 WO2024045235 A1 WO 2024045235A1 CN 2022120143 W CN2022120143 W CN 2022120143W WO 2024045235 A1 WO2024045235 A1 WO 2024045235A1
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- WIPO (PCT)
- Prior art keywords
- magnetic
- fixed
- voice coil
- circuit system
- magnetic circuit
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 38
- 238000005452 bending Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 28
- 239000010959 steel Substances 0.000 claims description 28
- 238000005476 soldering Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- 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
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- 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 utility model relates to the field of electroacoustic conversion, in particular to a sound-generating device.
- the sound-generating device is a transducer device that converts electrical signals into acoustic signals. It is mainly divided into two modes: single vibration system and dual-vibration system. Among them, the sound-generating device in the dual-vibration system mode mainly includes a basin frame and a device fixed to the basin frame. A first vibration system, a magnetic circuit system fixed on the basin frame, and a second vibration system fixed on the first vibration system.
- the second vibration system needs to be set up in the middle area of the magnetic circuit system, so it cannot be directly connected to the basin frame.
- the voice coil cannot be installed on the basin frame and conduct electricity.
- the elastic component is electrically connected to the external circuit board, so how to realize the electrical connection between the voice coil of the second vibration system and the external circuit board and ensure that the amplitude of the second vibration system is adjustable has become a major issue.
- This utility model is to provide a sound-generating device in a dual vibration system mode that can not only realize the electrical connection between the voice coil of the second vibration system and the external circuit board, but also ensure that the amplitude of the second vibration system can be adjusted.
- the present utility model provides a sound-generating device, which includes:
- the first basin rack
- a first vibration system the first vibration system includes a first diaphragm whose outer periphery is fixed to the first frame and a first voice coil that drives the first diaphragm to vibrate and produce sound;
- the magnetic circuit system is fixed to the first basket frame, the magnetic circuit system is provided with first magnetic gaps and second magnetic gaps at intervals on one side close to the first vibration system, the first A magnetic gap is arranged around the second magnetic gap; the first voice coil is inserted and suspended in the first magnetic gap;
- the second basket is fixed to the top of the magnetic circuit system
- a second vibration system the second vibration system includes a second diaphragm whose outer periphery is fixed on a side of the second frame away from the magnetic circuit system, and a second sounder that drives the second diaphragm to vibrate and produce sound.
- the second voice coil is inserted and suspended in the second magnetic gap;
- a conductive insert used to connect external electrical signals The conductive insert is fixed to the magnetic circuit system and penetrates the magnetic circuit system from one side of the magnetic circuit system away from the first vibration system to the other side. On one side, the first magnetic gap and the second magnetic gap are arranged around the conductive insert; the voice coil lead of the second voice coil is led out from its inner peripheral side and extends to the conductive insert. Electrical connection.
- the conductive insert includes an insert body that runs through the magnetic circuit system from one side of the magnetic circuit system away from the first vibration system to the other side thereof, and an insert body that is close to the first vibration system.
- One side of the second vibration system runs through the insert body to two conductive sheets on the other side. The two conductive sheets are respectively fixed on the top of the insert body close to one end of the second vibration system. Spaced apart to form soldering pads of the conductive insert, the voice coil leads of the second voice coil are electrically connected to the soldering pads.
- the magnetic circuit system includes a magnetic bowl fixed to the first basin frame and a magnetic steel assembly fixed to the magnetic bowl; the magnetic bowl includes a bottom wall of the magnetic bowl provided with a through hole and a magnetic steel assembly formed by the magnetic bowl.
- the outer circumferential side of the bottom wall of the magnetic bowl is bent, extended and fixed to the side wall of the magnetic bowl of the first basin frame; the magnetic steel components include first rings that are annular and are sequentially stacked and fixed to the bottom wall of the magnetic bowl.
- the pole core includes an annular pole core body sandwiched between the first main magnet steel and the second main magnet steel and composed of the The inner circumference of the pole core body is laterally bent away from the pole core side wall in a direction away from the bottom wall of the magnetic bowl; the first main magnet steel, the pole core and the second main magnet steel are coaxially arranged, and the The conductive insert is inserted through the through hole in the bottom wall of the magnetic bowl; the first main magnetic steel is spaced apart from the side wall of the magnetic bowl to form the first magnetic gap, and the second main magnetic steel is separated from the pole core.
- the side walls are spaced apart to form the second magnetic gap; the second frame is fixed to the side of the second main magnet steel away from the pole core body.
- the magnet assembly further includes an annular secondary pole core stacked on a side of the second main magnet away from the pole core body, and the inner circumferential side of the second basket is in contact with the pole core body.
- the outer peripheral side of the auxiliary pole core is fixedly connected.
- the first diaphragm includes an annular first folding ring, an annular second folding ring spaced inside the first folding ring, and an inner peripheral edge of the first folding ring.
- the first vibration part is bent, extended and connected to the outer peripheral edge of the second folding ring and is annular.
- the outer peripheral edge of the first folding ring is fixed to the first basin frame.
- the inner peripheral edge is fixed to the side of the second main magnet away from the first main magnet; the first voice coil is fixed to the side of the first vibrating part close to the magnetic circuit system.
- the inner peripheral edge of the second folding ring is fixedly connected to the outer peripheral side of the second basin frame.
- the first vibration system further includes a skeleton, which includes an annular skeleton body and a ring extending from the inner periphery of the skeleton body to the first magnetic gap and connected with the first voice coil.
- the skeleton fixed part is fixedly connected, and the skeleton body is fixed to the first vibrating part to serve as the first dome.
- the skeleton further includes a skeleton connection portion formed by bending and extending its outer peripheral edge in a direction close to the magnetic circuit system;
- the first vibration system further includes an elastic support component, and the elastic support component includes a fixed end In the first basket, the other end is fixed to the elastic member of the frame connection part and the auxiliary diaphragm is attached to the side of the elastic member away from the frame connection part.
- the second diaphragm includes a second vibrating part, an annular third ring extending outward from an outer peripheral edge of the second vibrating part, and a second ring that is attached to the second vibrating part. Dome, the outer peripheral edge of the third folding ring is fixed on the side of the second frame away from the second main magnet, and the second voice coil is fixed on the second vibrating part.
- the second diaphragm further includes a second frame that is annular and fixed to the second vibrating part, and the second frame is located on the side of the second vibrating part close to the magnetic circuit system;
- the second dome is located on the side of the second vibration part away from the magnetic circuit system, and the second voice coil is fixed on the side of the second frame close to the magnetic circuit system.
- the sound-generating device of the present invention adds a conductive insert that penetrates the magnetic circuit system, and the voice coil lead of the second voice coil in the second vibration system is led out from its inner peripheral side and extended to the conductive
- the insert is electrically connected, so that the second voice coil can be electrically connected to the external circuit board through the conductive insert, and the total extended length of both ends of the voice coil wire can be controlled by adjusting the winding process of the second voice coil, thereby adjusting the second voice coil.
- Figure 1 is an exploded view of the three-dimensional structure of a sound-generating device provided by an embodiment of the present invention
- Figure 2 is a schematic three-dimensional structural diagram of a sound-generating device provided by an embodiment of the present utility model
- FIG. 3 is a cross-sectional view along line A-A in FIG. 2 .
- 100. Sound-generating device 1. first basket; 11. second basket; 2. first vibration system; 21. first diaphragm; 211. first folding ring; 212. second folding ring; 213. First vibration part; 22. First voice coil; 23. Skeleton; 231. Skeleton body; 232. Skeleton fixing part; 233. Skeleton connection part; 24. Elastic support component; 241. Elastic member; 242. Auxiliary vibration Membrane; 3. Magnetic circuit system; 31. Magnetic bowl; 311. Bottom wall of magnetic bowl; 312. Side wall of magnetic bowl; 32. Magnetic steel component; 321. First main magnetic rigidity; 322. Pole core; 3221.
- Pole core Body 3222, pole core side wall; 323, second main magnet; 324, auxiliary pole core; 4, second vibration system; 41, second diaphragm; 411, second vibration part; 412, third folding ring ; 413. Second dome; 414. Second frame; 42. Second voice coil; 5.
- an embodiment of the present invention provides a sound-generating device 100 .
- the sound-generating device 100 includes a first basket 1 , a first vibration system 2 , a magnetic circuit system 3 , a second basket 11 , The second vibration system 4 and the conductive insert 5.
- the first vibration system 2 includes a first diaphragm 21 whose outer periphery is fixed to the first basket 1 and a first voice coil 22 that drives the first diaphragm 21 to vibrate and produce sound;
- the magnetic circuit system 3 is fixed to the first basket 1 , the side of the magnetic circuit system 3 close to the first vibration system 2 is provided with a first magnetic gap 10 and a second magnetic gap 20 at intervals.
- the first magnetic gap 10 is arranged around the second magnetic gap 20; the first voice coil 22 is inserted into the suspension Placed in the first magnetic gap 10; the second basket 11 is fixed on the top of the magnetic circuit system 3;
- the second vibration system 4 includes a second vibrator whose outer periphery is fixed on the side of the second basket 11 away from the magnetic circuit system 3.
- the second voice coil 42 is inserted and suspended in the second magnetic gap 20; the conductive insert 5 is used to connect external electrical signals, and the conductive insert 5 It is fixed to the magnetic circuit system 3 and penetrates the magnetic circuit system 3 from one side of the magnetic circuit system 3 away from the first vibration system 2 to the other side.
- the first magnetic gap 10 and the second magnetic gap 20 both surround the conductive insert 5 Set; the voice coil lead of the second voice coil 42 is led out from its inner peripheral side and extends to be electrically connected to the conductive insert 5 .
- the conductive insert 5 includes an insert body 51 that runs through the magnetic circuit system 3 from one side of the magnetic circuit system 3 away from the first vibration system 2 to the other side thereof, and the insert body 51 is close to the second vibration system. 4 penetrates the insert body 51 from one side to the two conductive sheets 52 on the other side.
- the two conductive sheets 52 are respectively fixed on the top of the insert body 51 and spaced apart from one end of the second vibration system 4 to form a
- the soldering pad of the conductive insert 5 and the voice coil lead of the second voice coil 42 are connected to the soldering pad.
- the second voice coil 42 has two voice coil leads, which are respectively used as the positive lead and the negative lead of the second voice coil 42 and are electrically connected to the pads formed by the two conductive sheets 52 respectively.
- the magnetic circuit system 3 includes a magnetic bowl 31 fixed to the first basin frame 1 and a magnetic steel assembly 32 fixed to the magnetic bowl 31;
- the magnetic bowl 31 includes a magnetic bowl bottom wall 311 provided with through holes and a magnetic steel assembly 31.
- the outer peripheral side of the bowl bottom wall 311 is bent, extended and fixed to the side wall 312 of the magnetic bowl of the first basin frame 1;
- the magnetic steel assembly 32 includes first main magnets that are annular and are sequentially stacked and fixed to the bottom wall 311 of the magnetic bowl.
- pole core 322 includes an annular pole core body 3221 sandwiched between the first main magnet steel 321 and the second main magnet steel 323, and the pole core body 3221.
- the inner circumference of 3221 is the pole core side wall 3222 that is bent away from the bottom wall 311 of the magnetic bowl; the first main magnet 321, the pole core 322 and the second main magnet 323 are coaxially arranged, and the conductive insert 5 passes through the magnetic bowl.
- the through hole of the bottom wall 311 is inserted; the first main magnet steel 321 is spaced apart from the side wall 312 of the magnetic bowl to form a first magnetic gap 10, and the second main magnet steel 323 is spaced apart from the pole core side wall 3222 to form a second magnetic gap 20; the second The basin frame 11 is fixed to the side of the second main magnet 323 away from the pole core body 3221 .
- the magnet assembly 32 also includes an annular auxiliary pole core 324 stacked on the side of the second main magnet 323 away from the pole core body 3221.
- the inner circumferential side of the second basket 11 and the auxiliary pole core 324 are Peripheral side fixed connection.
- the conductive insert 5 is inserted through the through hole of the bottom wall 311 of the magnetic bowl and then passes through the first main magnet 321, the pole core 322, the second main magnet 323 and the auxiliary pole core 324 in order, so that it can be connected with the second voice coil 42.
- the voice coil leads are electrically connected.
- the first diaphragm 21 includes an annular first folding ring 211 , an annular second folding ring 212 spaced inside the first folding ring 211 , and an annular second folding ring 212 formed by an inner part of the first folding ring 211 .
- the peripheral edge is bent and extended to the annular first vibrating portion 213 connected to the outer peripheral edge of the second folding ring 212.
- the outer peripheral edge of the first folding ring 211 is fixed to the first frame 1, and the inner peripheral edge of the second folding ring 212 It is fixed on the side of the second main magnet 323 away from the first main magnet 321; the first voice coil 22 is fixed on the side of the first vibrating part 213 close to the magnetic circuit system 3.
- the inner peripheral edge of the second folding ring 212 is also fixedly connected to the outer peripheral side of the second frame 11 .
- the first vibration system 2 also includes a frame 23 and an elastic support component 24 .
- the skeleton 23 includes an annular skeleton body 231 and a skeleton fixing portion 232 that extends from the inner periphery of the skeleton body 231 to the first magnetic gap 10 and is fixedly connected to the first voice coil 22 .
- the skeleton body 231 is fixed to the first magnetic gap 10 .
- a vibrating part 213 is used as a first dome.
- the frame 23 also includes a frame connecting portion 233 formed by bending and extending its outer peripheral edge in a direction close to the magnetic circuit system 3 .
- the elastic support component 24 includes an elastic member 241 with one end fixed to the first frame 1 and the other end fixed to the frame connection part 233 , and an auxiliary diaphragm attached to the side of the elastic member 241 away from the frame connection part 233 .
- the second diaphragm 41 includes a second vibrating part 411 , an annular third ring 412 extending outward from the outer periphery of the second vibrating part 411 , and a third ring 412 that is attached to the second vibrating part 411 .
- the outer peripheral edges of the second dome 413 and the third folding ring 412 are fixed on the side of the second frame 11 away from the second main magnet 323 , and the second voice coil 42 is fixed on the second vibrating part 411 .
- the second diaphragm 41 also includes a second frame 414 in an annular shape and the second vibrating part 411.
- the second frame 414 is located on the side of the second vibrating part 411 close to the magnetic circuit system 3; the second dome 413 is located on the second vibrating part 411.
- the second vibrating part 411 is on the side away from the magnetic circuit system 3 , and the second voice coil 42 is fixed on the side of the second frame 414 close to the magnetic circuit system 3 .
- the sound-generating device 100 of this embodiment adds a conductive insert 5 that penetrates the magnetic circuit system 3 and allows the voice coil lead of the second voice coil 42 in the second vibration system 4 to be led out from its inner peripheral side. And extends to be electrically connected to the conductive insert 5, so that the second voice coil 42 can not only achieve electrical connection with the external circuit board through the conductive insert 5, but also control the voice coil wire by adjusting the winding process of the second voice coil 42 The total length of the two ends is extended to adjust the amplitude of the second vibration system 4.
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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
一种发声器件，该发声器件包括：第一盆架；第一振动系统，包括第一振膜以及第一音圈；磁路系统，靠近第一振动系统的一侧间隔设置有第一磁间隙和第二磁间隙，第一音圈插设悬置于第一磁间隙内；第二盆架；第二振动系统，包括第二振膜以及第二音圈，第二音圈插设悬置于第二磁间隙内；导电嵌件，固定于磁路系统，并由磁路系统远离第一振动系统的一侧贯穿至另一侧；第二音圈的音圈引线由其内周侧引出并延伸至与导电嵌件电连接。上述发声器件可以通过调整第二音圈的绕线工艺来控制音圈线两端的弯折总长度，从而达到调节第二振动系统的振幅的目的，以更方便第二振动系统的振幅调节。
Description
本实用新型涉及电声转换领域，尤其涉及一种发声器件。
发声器件是一种把电信号转变为声信号的换能器件，主要分为单振动系统和双振动系统两种模式，其中，双振动系统模式的发声器件主要包括盆架、固定于盆架的第一振动系统、固定于盆架的磁路系统以及固定于所述第一振动系统的第二振动系统。
现有的双振动系统模式的发声器件中，第二振动系统由于需要设置在磁路系统的中部区域，因此其无法直接与盆架连接，相应的其音圈则无法通过安装于盆架且导电的弹性部件与外部电路板电连接，所以第二振动系统的音圈如何在实现与外部电路板电连接的前提下，且保证第二振动系统的振幅可调节便成为了主要的问题。
因此，有必要提供一种新的发声器件来解决上述技术问题。
本实用新型的目的在于提供一种既能实现第二振动系统的音圈与外部电路板电连接，又能保证第二振动系统的振幅可调节的双振动系统模式的发声器件。
为了达到上述目的，本实用新型提供了一种发声器件，所述发声器件包括：
第一盆架；
第一振动系统，所述第一振动系统包括外周缘固定于所述第一盆架的第一振膜以及驱动所述第一振膜振动发声的第一音圈；
磁路系统，所述磁路系统固定于所述第一盆架，所述磁路系统靠近所述第一振动系统的一侧间隔设置有第一磁间隙和第二磁间隙，所述第一磁间隙环绕所述第二磁间隙设置；所述第一音圈插设悬置于所述第一磁间隙内；
第二盆架，所述第二盆架固定于所述磁路系统的顶部；
第二振动系统，所述第二振动系统包括外周缘固定于所述第二盆架远离所述磁路系统的一侧的第二振膜以及驱动所述第二振膜振动发声的第二音圈，所述第二音圈插设悬置于所述第二磁间隙内；以及，
导电嵌件，用于连接外部电信号，所述导电嵌件固定于所述磁路系统，并由所述磁路系统远离所述第一振动系统的一侧贯穿所述磁路系统至其另一侧，所述第一磁间隙及所述第二磁间隙均环绕所述导电嵌件设置；所述第二音圈的音圈引线由其内周侧引出并延伸至与所述导电嵌件电连接。
优选的，所述导电嵌件包括由所述磁路系统远离所述第一振动系统的一侧贯穿所述磁路系统至其另一侧的嵌件主体以及由所述嵌件主体靠近所述第二振动系统的一侧贯穿所述嵌件主体至其另一侧的两个导电片，两个所述导电片靠近所述第二振动系统的一端分别固定于所述嵌件主体的顶端且间隔设置，用以形成所述导电嵌件的焊盘，所述第二音圈的音圈引线电连接至所述焊盘。
优选的，所述磁路系统包括固定于所述第一盆架的磁碗和固定于所述磁碗的磁钢组件；所述磁碗包括设有通孔的磁碗底壁和由所述磁碗底壁的外周侧弯折延伸并固定于所述第一盆架的磁碗侧壁；所述磁钢组件包括均呈环状且依次叠设固定于所述磁碗底壁的第一主磁钢、极芯以及第二主磁钢；所述极芯包括夹设于所述第一主磁钢和所述第二主磁钢之间且呈环状的极芯本体和由所述极芯本体的内周侧向远离所述磁碗底壁方向弯折的极芯侧壁；所述第一主磁钢、所述极芯及所述第二主磁钢同轴设置，所述导电嵌件经所述磁碗底壁的通孔插入；所述第一主磁钢与所述磁碗侧壁间隔形成所述第一磁间隙，所述第二主磁钢与所述极芯侧壁间隔形成所述第二磁间隙；所述第二盆架固定于所述第二主磁钢远离所述极芯本体的一侧。
优选的，所述磁钢组件还包括叠设于所述第二主磁钢远离所述极芯本体的一侧且呈环状的副极芯，所述第二盆架的内周侧与所述副极芯的外周侧固定连接。
优选的，所述第一振膜包括呈环状的第一折环、间隔设置于所述第一折环的内侧且呈环状的第二折环以及由所述第一折环的内周缘弯折延伸并连接至所述第二折环的外周缘且呈环状的第一振动部，所述第一折环的外周缘固定于所述第一盆架，所述第二折环的内周缘固定于所述第二主磁钢远离所述第一主磁钢的一侧；所述第一音圈固定于所述第一振动部靠近所述磁路系统的一侧。
优选的，所述第二折环的内周缘与所述第二盆架的外周侧固定连接。
优选的，所述第一振动系统还包括骨架，所述骨架包括呈环状的骨架本体以及由所述骨架本体的内周缘弯折延伸至所述第一磁间隙并与所述第一音圈固定连接的骨架固定部，所述骨架本体固定于所述第一振动部用以充当第一球顶。
优选的，所述骨架还包括由其外周缘向靠近所述磁路系统的方向弯折延伸形成的骨架连接部；所述第一振动系统还包括弹性支撑组件，所述弹性支撑组件包括一端固定于所述第一盆架，另一端固定于所述骨架连接部的弹性件以及贴设于所述弹性件远离所述骨架连接部的一侧的辅助振膜。
优选的，所述第二振膜包括第二振动部、由所述第二振动部的外周缘向外延伸且呈环状的第三折环以及贴合于所述第二振动部的第二球顶，所述第三折环的外周缘固定于所述第二盆架远离所述第二主磁钢的一侧，所述第二音圈固定于所述第二振动部。
优选的，所述第二振膜还包括呈环状且固定于所述第二振动部的第二骨架，所述第二骨架位于所述第二振动部靠近所述磁路系统的一侧；所述第二球顶位于所述第二振动部远离所述磁路系统的一侧，所述第二音圈固定于所述第二骨架靠近所述磁路系统的一侧。
与现有技术相比，本实用新型的发声器件通过增设贯穿磁路系统的导电嵌件，并使第二振动系统中第二音圈的音圈引线由其内周侧引出并延伸至与导电嵌件电连接，这样第二音圈既可以通过导电嵌件与外部电路板实现电连接，又能通过调整第二音圈的绕线工艺来控制音圈线两端的延伸总长度，从而调节第二振动系统的振幅。
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为本实用新型实施例提供的一种发声器件的立体结构分解图；
图2为本实用新型实施例提供的一种发声器件的立体结构示意图；
图3为图2中A-A线的剖示图。
图中，100、发声器件，1、第一盆架；11、第二盆架；2、第一振动系统；21、第一振膜；211、第一折环；212、第二折环；213、第一振动部；22、第一音圈；23、骨架；231、骨架本体；232、骨架固定部；233、骨架连接部；24、弹性支撑组件；241、弹性件；242、辅助振膜；3、磁路系统；31、磁碗；311、磁碗底壁；312、磁碗侧壁；32、磁钢组件；321、第一主磁刚；322、极芯；3221、极芯本体；3222、极芯侧壁；323、第二主磁钢；324、副极芯；4、第二振动系统；41、第二振膜；411、第二振动部；412、第三折环；413、第二球顶；414、第二骨架；42、第二音圈；5、导电嵌件；51、嵌件主体；52、导电片；10、第一磁间隙；20、第二磁间隙。
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。
结合图1至图3所示,本实用新型实施例提供了一种发声器件100，该发声器件100包括第一盆架1、第一振动系统2、磁路系统3、第二盆架11、第二振动系统4以及导电嵌件5。
其中，第一振动系统2包括外周缘固定于第一盆架1的第一振膜21以及驱动第一振膜21振动发声的第一音圈22；磁路系统3固定于第一盆架1，磁路系统3靠近第一振动系统2的一侧间隔设置有第一磁间隙10和第二磁间隙20，第一磁间隙10环绕第二磁间隙20设置；第一音圈22插设悬置于第一磁间隙10内；第二盆架11固定于磁路系统3的顶部；第二振动系统4包括外周缘固定于第二盆架11远离磁路系统3的一侧的第二振膜41以及驱动第二振膜41振动发声的第二音圈42，第二音圈42插设悬置于第二磁间隙20内；导电嵌件5用于连接外部电信号，导电嵌件5固定于磁路系统3，并由磁路系统3远离第一振动系统2的一侧贯穿磁路系统3至其另一侧，第一磁间隙10及第二磁间隙20均环绕导电嵌件5设置；第二音圈42的音圈引线由其内周侧引出并延伸至与导电嵌件5电连接。
本实施例中，导电嵌件5包括由磁路系统3远离第一振动系统2的一侧贯穿磁路系统3至其另一侧的嵌件主体51以及由嵌件主体51靠近第二振动系统4的一侧贯穿嵌件主体51至其另一侧的两个导电片52，两个导电片52靠近第二振动系统4的一端分别固定于嵌件主体51的顶端且间隔设置，用以形成导电嵌件5的焊盘，第二音圈42的音圈引线连接至焊盘。
第二音圈42的音圈引线为两根，分别作为第二音圈42的正极引线和负极引线，且分别与两个导电片52形成的焊盘电连接。
本实施例中，磁路系统3包括固定于第一盆架1的磁碗31和固定于磁碗31的磁钢组件32；磁碗31包括设有通孔的磁碗底壁311和由磁碗底壁311的外周侧弯折延伸并固定于第一盆架1的磁碗侧壁312；磁钢组件32包括均呈环状且依次叠设固定于磁碗底壁311的第一主磁钢321、极芯322以及第二主磁钢323；极芯322包括夹设于第一主磁钢321和第二主磁钢323之间且呈环状的极芯本体3221和由极芯本体3221的内周侧向远离磁碗底壁311方向弯折的极芯侧壁3222；第一主磁钢321、极芯322及第二主磁钢323同轴设置，导电嵌件5经磁碗底壁311的通孔插入；第一主磁钢321与磁碗侧壁312间隔形成第一磁间隙10，第二主磁钢323与极芯侧壁3222间隔形成第二磁间隙20；第二盆架11固定于第二主磁钢323远离极芯本体3221的一侧。
另外，磁钢组件32还包括叠设于第二主磁钢323远离极芯本体3221的一侧且呈环状的副极芯324，第二盆架11的内周侧与副极芯324的外周侧固定连接。
导电嵌件5经磁碗底壁311的通孔插入后依次穿过第一主磁钢321、极芯322、第二主磁钢323以及副极芯324，从而可以与第二音圈42的音圈引线电连接。
本实施例中，第一振膜21包括呈环状的第一折环211、间隔设置于第一折环211的内侧且呈环状的第二折环212以及由第一折环211的内周缘弯折延伸并连接至第二折环212的外周缘且呈环状的第一振动部213，第一折环211的外周缘固定于第一盆架1，第二折环212的内周缘固定于第二主磁钢323远离第一主磁钢321的一侧；第一音圈22固定于第一振动部213靠近磁路系统3的一侧。
第二折环212的内周缘还与第二盆架11的外周侧固定连接。
本实施例中，第一振动系统2还包括骨架23以及弹性支撑组件24。
其中，骨架23包括呈环状的骨架本体231以及由骨架本体231的内周缘弯折延伸至第一磁间隙10并与第一音圈22固定连接的骨架固定部232，骨架本体231固定于第一振动部213用以充当第一球顶。
骨架23还包括由其外周缘向靠近磁路系统3的方向弯折延伸形成的骨架连接部233。
弹性支撑组件24包括一端固定于第一盆架1，另一端固定于骨架连接部233的弹性件241以及贴设于弹性件241远离骨架连接部233的一侧的辅助振膜。
本实施例中，第二振膜41包括第二振动部411、由第二振动部411的外周缘向外延伸且呈环状的第三折环412以及贴合于第二振动部411的第二球顶413，第三折环412的外周缘固定于第二盆架11远离第二主磁钢323的一侧，第二音圈42固定于第二振动部411。
另外，第二振膜41还包括呈环状且第二振动部411的第二骨架414，第二骨架414位于第二振动部411靠近磁路系统3的一侧；第二球顶413位于第二振动部411远离磁路系统3的一侧，第二音圈42固定于第二骨架414靠近磁路系统3的一侧。
与现有技术相比，本实施例的发声器件100通过增设贯穿磁路系统3的导电嵌件5，并使第二振动系统4中第二音圈42的音圈引线由其内周侧引出并延伸至与导电嵌件5电连接，这样第二音圈42既可以通过导电嵌件5与外部电路板实现电连接，又能通过调整第二音圈42的绕线工艺来控制音圈线两端的延伸总长度，从而调节第二振动系统4的振幅。
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)
- 一种发声器件，其特征在于，所述发声器件包括：第一盆架；第一振动系统，所述第一振动系统包括外周缘固定于所述第一盆架的第一振膜以及驱动所述第一振膜振动发声的第一音圈；磁路系统，所述磁路系统固定于所述第一盆架，所述磁路系统靠近所述第一振动系统的一侧间隔设置有第一磁间隙和第二磁间隙，所述第一磁间隙环绕所述第二磁间隙设置；所述第一音圈插设悬置于所述第一磁间隙内；第二盆架，所述第二盆架固定于所述磁路系统的顶部；第二振动系统，所述第二振动系统包括外周缘固定于所述第二盆架远离所述磁路系统的一侧的第二振膜以及驱动所述第二振膜振动发声的第二音圈，所述第二音圈插设悬置于所述第二磁间隙内；以及，导电嵌件，用于连接外部电信号，所述导电嵌件固定于所述磁路系统，并由所述磁路系统远离所述第一振动系统的一侧贯穿所述磁路系统至其另一侧，所述第一磁间隙及所述第二磁间隙均环绕所述导电嵌件设置；所述第二音圈的音圈引线由其内周侧引出并延伸至与所述导电嵌件电连接。
- 如权利要求1所述的发声器件，其特征在于，所述导电嵌件包括由所述磁路系统远离所述第一振动系统的一侧贯穿所述磁路系统至其另一侧的嵌件主体以及由所述嵌件主体靠近所述第二振动系统的一侧贯穿所述嵌件主体至其另一侧的两个导电片，两个所述导电片靠近所述第二振动系统的一端分别固定于所述嵌件主体的顶端且间隔设置，用以形成所述导电嵌件的焊盘，所述第二音圈的音圈引线电连接至所述焊盘。
- 如权利要求1所述的发声器件，其特征在于，所述磁路系统包括固定于所述第一盆架的磁碗和固定于所述磁碗的磁钢组件；所述磁碗包括设有通孔的磁碗底壁和由所述磁碗底壁的外周侧弯折延伸并固定于所述第一盆架的磁碗侧壁；所述磁钢组件包括均呈环状且依次叠设固定于所述磁碗底壁的第一主磁钢、极芯以及第二主磁钢；所述极芯包括夹设于所述第一主磁钢和所述第二主磁钢之间且呈环状的极芯本体和由所述极芯本体的内周侧向远离所述磁碗底壁方向弯折的极芯侧壁；所述第一主磁钢、所述极芯及所述第二主磁钢同轴设置，所述导电嵌件经所述磁碗底壁的通孔插入；所述第一主磁钢与所述磁碗侧壁间隔形成所述第一磁间隙，所述第二主磁钢与所述极芯侧壁间隔形成所述第二磁间隙；所述第二盆架固定于所述第二主磁钢远离所述极芯本体的一侧。
- 如权利要求3所述的发声器件，其特征在于，所述磁钢组件还包括叠设于所述第二主磁钢远离所述极芯本体的一侧且呈环状的副极芯，所述第二盆架的内周侧与所述副极芯的外周侧固定连接。
- 如权利要求3所述的发声器件，其特征在于，所述第一振膜包括呈环状的第一折环、间隔设置于所述第一折环的内侧且呈环状的第二折环以及由所述第一折环的内周缘弯折延伸并连接至所述第二折环的外周缘且呈环状的第一振动部，所述第一折环的外周缘固定于所述第一盆架，所述第二折环的内周缘固定于所述第二主磁钢远离所述第一主磁钢的一侧；所述第一音圈固定于所述第一振动部靠近所述磁路系统的一侧。
- 如权利要求5所述的发声器件，其特征在于，所述第二折环的内周缘与所述第二盆架的外周侧固定连接。
- 如权利要求6所述的发声器件，其特征在于，所述第一振动系统还包括骨架，所述骨架包括呈环状的骨架本体以及由所述骨架本体的内周缘弯折延伸至所述第一磁间隙并与所述第一音圈固定连接的骨架固定部，所述骨架本体固定于所述第一振动部用以充当第一球顶。
- 如权利要求7所述的发声器件，其特征在于，所述骨架还包括由其外周缘向靠近所述磁路系统的方向弯折延伸形成的骨架连接部；所述第一振动系统还包括弹性支撑组件，所述弹性支撑组件包括一端固定于所述第一盆架，另一端固定于所述骨架连接部的弹性件以及贴设于所述弹性件远离所述骨架连接部的一侧的辅助振膜。
- 如权利要求3所述的发声器件，其特征在于，所述第二振膜包括第二振动部、由所述第二振动部的外周缘向外延伸且呈环状的第三折环以及贴合于所述第二振动部的第二球顶，所述第三折环的外周缘固定于所述第二盆架远离所述第二主磁钢的一侧，所述第二音圈固定于所述第二振动部。
- 如权利要求9所述的发声器件，其特征在于，所述第二振膜还包括呈环状且固定于所述第二振动部的第二骨架，所述第二骨架位于所述第二振动部靠近所述磁路系统的一侧；所述第二球顶位于所述第二振动部远离所述磁路系统的一侧，所述第二音圈固定于所述第二骨架靠近所述磁路系统的一侧。
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| WO2022110461A1 (zh) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | 发声器件 |
| CN113596686A (zh) * | 2021-07-30 | 2021-11-02 | 歌尔科技有限公司 | 同轴扬声器和电子设备 |
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