WO2022110375A1

WO2022110375A1 - Sound production apparatus

Info

Publication number: WO2022110375A1
Application number: PCT/CN2020/136991
Authority: WO
Inventors: 宋威
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声光电科技(常州)有限公司
Priority date: 2020-11-30
Filing date: 2020-12-16
Publication date: 2022-06-02
Also published as: CN112423201B; CN112423201A

Abstract

Provided by the present invention is a sound production apparatus, comprising a basket and a vibration system fixedly connected to the basket. The vibration system comprises a diaphragm and a voice coil driving the diaphragm to vibrate; the diaphragm comprises a dome and a sound film located at the periphery of the dome; the basket comprises at least two bracket parts and a splicing part formed by fixedly connecting two adjacent bracket parts; the sound film comprises a first connecting part and second connecting part which are connected to the at least two bracket parts and the splicing part, and a main body part located between the first connecting part and the second connecting part, the first connecting part being located on the outer side of the main body part and the second connecting part. The present invention can improve the waterproof performance of a sound production apparatus.

Description

a sound device

The present invention claims the priority of a Chinese patent application with an application number of 202011380509.5 and an invention title of "a sound-emitting device" filed with the China Patent Office on November 30, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present invention relates to the field of sound and electricity, in particular to a sound producing device.

Background technique

The prior art loudspeaker has a vibrating system, and the outer periphery of the sound film of the vibrating system can be connected to and supported by a basin frame. The basin frame can be formed by bending a piece of metal plate four times during the production and processing process, and the two free ends of the metal plate after bending and forming can be fixed and connected together by welding. However, in the actual processing process, it is found that the welded pot frame is prone to have gaps at the welding positions, and there is a risk of waterproof failure from the gaps.

Therefore, it is necessary to provide a new sounding device to solve the above technical problems.

technical problem

The purpose of the present invention is to provide a sounding device to improve waterproof performance.

technical solutions

The technical solution of the present invention is as follows: a sound-generating device, comprising a basin frame and a vibration system fixed to the basin frame, the vibration system includes a vibrating membrane and a voice coil for driving the vibrating membrane to vibrate, and the vibrating membrane includes a dome and a sound membrane located on the outer periphery of the dome, the basin frame includes at least two bracket parts and a splicing part formed by fixedly connecting two adjacent bracket parts, the sound membrane includes a connection part connected to the at least two bracket parts and A first connection part, a second connection part of the splicing part and a main body part located between the first connection part and the second connection part, and the first connection part is located in the main body part and the second connection part outside.

In an optional embodiment of the present invention, the basin frame has an outer surface located outside the basin frame, an inner surface disposed opposite to the outer surface, an outer end face away from the main body portion, and an outer end face opposite to the outer end face The inner end surface is provided, the first connecting part is connected with the outer surface and the inner end surface of the basin frame, and covers the splicing part on the outer surface and the inner end surface of the basin frame.

In an optional embodiment of the present invention, the first connecting portion includes a first sub-connecting portion connected to the inner end surface of the basin frame, and a second sub-connecting portion connected to the outer surface of the basin frame. The first sub-connection part is connected between the main body part and the second sub-connection part.

In an optional embodiment of the present invention, the at least two bracket parts include a first bracket part and a second bracket part, the first bracket part and the second bracket part are fixedly connected to form at least one splicing part, the splicing part It comprises a first connecting structure arranged at one end of the first support portion, a second connecting structure arranged at one end of the second support portion, and a gap separating the first connecting structure and the second connecting structure, the The first connecting part further includes a third sub-connecting part arranged in the gap and connecting the first connecting structure and the second connecting structure, and the third sub-connecting part also connects the first sub-connecting part and the second connecting structure. the second sub-connector.

In an optional embodiment of the present invention, the bracket portion includes at least one bent section and a first straight section and a second straight section connected to both ends of the bent section, and the first connecting section further includes a the first sub-connection part is connected to the fourth sub-connection part and is spaced from the second sub-connection part; Surface connection.

In an optional embodiment of the present invention, the first sub-connection part, the second sub-connection part, the third sub-connection part, the fourth sub-connection part, the second connection part and the third connection part are integrally formed into the module , so that the first sub-connection part, the second sub-connection part, the third sub-connection part and the fourth sub-connection part are integrally formed on the basin frame.

In an optional embodiment of the present invention, the basin frame has an outer surface located outside the basin frame, an inner surface disposed opposite to the outer surface, an outer end face away from the main body portion, and an outer end face opposite to the outer end face The first connecting part is also connected with the inner surface of the basin frame, and covers the splicing part on the inner surface of the basin frame.

In an optional embodiment of the present invention, the basin frame has an outer surface located outside the basin frame, an inner surface disposed opposite to the outer surface, an outer end face away from the main body portion, and an outer end face opposite to the outer end face The inner end surface is provided, the first connecting part is connected with the inner surface and the inner end surface of the basin frame, and covers the splicing part on the inner surface and the inner end surface of the basin frame.

In an optional embodiment of the present invention, the basin frame has an outer surface located outside the basin frame, an inner surface disposed opposite to the outer surface, an outer end face away from the main body portion, and an outer end face opposite to the outer end face Set the inner end face;

The at least two bracket parts include a first bracket part and a second bracket part, the first bracket part and the second bracket part are fixedly connected to form at least one splicing part, and the splicing part includes a splicing part arranged on the first bracket part. a first connecting structure at one end, a second connecting structure disposed at one end of the second bracket portion, and a gap separating the first connecting structure and the second connecting structure;

The first connection part comprises a first sub-connection part connected with the inner end face of the basin frame and a third sub-connection part arranged in the gap and connected to the first connection structure and the second connection structure, The third sub-connection portion is also connected to the first sub-connection portion.

beneficial effect

The beneficial effect of the present invention is that: the present invention connects the first connecting portion of the sound film to the connecting position (ie the splicing portion) of the basin frame, and the present invention can further connect the splicing portion through a part of the sound film, thereby increasing the The connection stability and sealing effect of the splicing part improve the waterproof performance.

In the present invention, a part of the sound film can be directly integrally formed on the basin frame, so as to realize the fixed connection with the basin frame. At the same time, the first sub-connecting part of the sound membrane can cover the inner end surface of the basin frame where the splicing part is located, the second sub-connecting part can cover the outer surface of the basin frame where the splicing part is located, and the third sub-connecting part can be filled in the splicing part. Therefore, the splicing part can be surrounded from different directions, the possibility of water leakage of the sounding device due to the unstable connection structure of the basin frame is greatly reduced, and the waterproof performance can be effectively improved.

Description of drawings

Fig. 1 is the front view of the sound producing device of the present invention;

2 is a cross-sectional view of the sounding device shown in FIG. 1 along the P-P direction;

Fig. 3 is an exploded view of the sounding device shown in Fig. 1;

Fig. 4 is the perspective view of the vibration system in the sounding device of the present invention being fixedly connected to the basin frame;

5 is another perspective view of the vibration system in the sound-generating device of the present invention being fixed to the basin frame;

FIG. 6 is a perspective view of the vibrating membrane fixed to the basin frame in the sounding device of the present invention;

7 is a schematic diagram of the fixed connection between the sound membrane and the basin frame in the sounding device of the present invention;

Fig. 8 is a partial enlarged view of A shown in Fig. 7;

Fig. 9 is a partial enlarged view of B shown in Fig. 8;

10 is a perspective view of a basin frame in the sounding device of the present invention;

Fig. 11 is a partial enlarged view of C shown in Fig. 10;

12 is a perspective view of a sound membrane in a sound producing device of the present invention;

FIG. 13 is a partial enlarged view of D shown in FIG. 12 .

Embodiments of the present invention

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Please refer to FIGS. 1 , 2 and 3, FIG. 1 is a front view of the sounding device of the present invention, FIG. 2 is a cross-sectional view of the sounding device shown in FIG. 1 along the P-P direction, and FIG. 3 is an exploded view of the sounding device shown in FIG. 1 . The present invention provides a sound-generating device 2 , and the sound-generating device 2 may include a magnetic circuit system 10 , a vibration system 20 and a support system 30 . The support system 30 may serve as a carrier of the vibration system 20 and the magnetic circuit system 10 to support the vibration system 20 and the magnetic circuit system 10 . The magnetic circuit system 10 can drive the vibration system 20 to vibrate and emit sound. Wherein, the support system 30 may include a basin frame 300 and a bottom plate 500 , the basin frame 300 may carry the magnetic circuit system 10 and the vibration system 20 , and the base plate 500 may be connected with the magnetic circuit system 10 .

Please combine FIGS. 4 and 5 together. FIG. 4 is a perspective view of the vibration system in the sounding device of the present invention being fixed to the basin frame. 20 may include a diaphragm 200 , a voice coil 400 for driving the diaphragm 200 , and a circuit board 600 electrically connected to the voice coil 400 .

The circuit board 600 may include a first flexible circuit board 620 electrically connected with the voice coil 400 and a second flexible circuit board 640 for connecting with an external circuit. Wherein, the electrical connection between the voice coil 400 and the first flexible circuit board 620 can be understood as the electrical connection between the voice coil 400 and the first flexible circuit board 620, which can realize data transmission. It should be understood that the electrical connection between the two components can be understood as an electrical connection, such as a fixed connection using a signal line, which can realize data transmission.

The voice coil 400 has a voice coil body 460 and a first lead 420 and a second lead 440 connected to the voice coil body 460 . The first lead 420 and the second lead 440 are both electrically connected to the first flexible circuit board 620 . The first lead 420 can be fixedly connected to the first flexible circuit board 620 through one pad, and the second lead 440 can be fixedly connected to the first flexible circuit board 620 through another pad, so as to realize the voice coil 400 and the first flexible circuit board 420 electrical connections.

Please also refer to FIG. 6 . FIG. 6 is a perspective view of the vibrating membrane fixed to the basin frame in the sound producing device of the present invention. The vibrating membrane 200 may include a dome 280 , a sound membrane 240 located on the outer periphery of the dome 280 , a supporting dome 280 and a sound membrane 240 of the skeleton 260. The frame 260 is provided with a through hole 264 and a frame body 262 surrounding the through hole 264 , and a dome 280 can be placed on the outer surface of the frame 260 to cover the through hole 264 . The outer edge of the dome 280 and the inner edge of the sound membrane 240 are respectively fixed to the frame body 262 , and the outer edge of the sound membrane 240 is fixed to the basin frame 300 .

In some embodiments of the present invention, the vibration system 20 may further include an auxiliary sound film 800 , and the auxiliary sound film 800 may include a first auxiliary sound film 820 and a second auxiliary sound film 840 . The first auxiliary sound membrane 820 and the first flexible circuit board 620 are arranged on the basin frame 300 , and the second auxiliary sound membrane 840 and the second flexible circuit board 640 are arranged on the basin frame 300 together. The first flexible circuit board 620 and the second flexible circuit board 640 may be placed on the same side of the basin frame 300 and at opposite ends of the basin frame 300 .

It should be noted that the basin frame 300 can also be fixedly connected with the magnetic circuit system 10 , so that the fixed connection between the magnetic circuit system 10 and the vibration system 20 can be realized through the basin frame 300 .

Please refer to FIG. 7 together. FIG. 7 is a schematic diagram of the fixed connection between the sound membrane and the basin frame in the sounding device of the present invention. The basin frame 300 includes at least two bracket parts 300A and a splicing part 300B formed by fixed connection of two adjacent bracket parts 300A. , the sound membrane 240 includes a first connecting part 241 connected to at least two bracket parts 300A and the splicing part 300B, a second connecting part 243 connected to the frame 260 and a connecting part 243 between the first connecting part 241 and the second connecting part 243 The main body part 242 and the first connecting part 241 are located outside the main body part 242 and the second connecting part 243 .

A part of the first connecting part 241 of the sound membrane 240 is connected to the connecting position of the basin frame 300 (ie, the splicing part 300B), or it can be understood that the first connecting part 241 of the sound membrane 240 can be provided to at least two bracket parts 300A and the corresponding part. The splicing part 300B formed by the fixed connection of the adjacent two bracket parts 300A realizes the fixed connection and sealing effect of the at least two bracket parts 300A and the splicing part 300B. The present invention can further connect the splicing portion 300B through a part of the sound membrane 240, thereby increasing the connection stability and sealing effect of the splicing portion 300B, and improving the waterproof performance.

Please refer to FIG. 8 and FIG. 9 together. FIG. 8 is a partial enlarged view of A shown in FIG. 7 , and FIG. 9 is a partial enlarged view of B shown in FIG. 8 . The bracket parts 300A can be fixedly connected to each other to form two splicing parts 300B, and the first connecting part 241 can be fixedly connected to the two bracket parts 300A and the two splicing parts 300B.

It should be understood that the number of the bracket parts 300A in the present invention is not limited to two, and the number of the bracket parts 300A may also be three or more. When the number of the bracket parts 300A is three, the three bracket parts 300A can be fixedly connected in sequence to form three splicing parts 300B. That is, the number of the splicing parts 300B is the same as the number of the bracket parts 300A. The first connecting part 241 can be fixedly connected with all the bracket parts 300A and all the splicing parts 300B.

It should also be understood that the number of the bracket parts 300A in the present invention is also one, and two ends of one bracket part 300A form a splicing part 300B. The first connecting part 241 can be fixedly connected with a bracket part 300A and a splicing part 300B.

The following description will be given by taking the bracket 300 including two bracket parts 300A and two splicing parts 300B as an example.

Please also refer to FIG. 10. FIG. 10 is a perspective view of a basin frame in the sounding device of the present invention. The basin frame 300 may have an outer surface 325 located outside the basin frame 300, an inner surface 326 disposed opposite to the outer surface, and connected to the inner surface 326. The outer end surface 327 and the inner end surface 328 between the outer surface 325. The outer end surface 327 and the inner end surface 328 are oppositely disposed, and the inner end surface 328 is far away from the magnetic circuit system 10 and can be fixedly connected with the sound membrane 240 .

The bracket 300 may include two bracket parts 300A and two splicing parts 300B. The two bracket parts 300A are fixedly connected to each other, such as by welding, to form two spliced parts 300B. The two bracket parts 300A are fixedly connected to form a splicing part 300B, which can surround and form a storage space 300C. A part of the voice coil 400 can be installed in the storage space 300C.

The two bracket parts 300A include a first bracket part 321 and a second bracket part 322 , and the first bracket part 321 and the second bracket part 322 are fixedly connected to form two splicing parts 300B. The two splicing parts 300B include a first splicing part 323 and a second splicing part 324 .

Please refer to FIG. 11 together. FIG. 11 is a partial enlarged view of C shown in FIG. 10 . The first splicing part 323 includes one end of the first bracket part 321 fixedly connected to the first connection structure 3231 and the second bracket part 322 . One end of the second connection structure 3233 is fixedly connected, and the first connection structure 3231 and the second connection structure 3233 can be fixedly connected together by welding such as laser welding. After the first connection structure 3231 and the second connection structure 3233 are fixedly connected, there may be a butt weld. For example, there is a first gap 3232 between the first connection structure 3231 and the second connection structure 3233. In order to prevent water leakage of the sounding device 2, the first gap 3232 can be closed or sealed to improve the waterproof performance of the sounding device 2.

The second splicing part 324 includes a third connecting structure 3241 fixedly connected with the other end of the first bracket part 321 and a fourth connecting structure 3243 fixedly connected with the other end of the second bracket part 322. The third connecting structure 3241 and the fourth connecting structure 3243 The connecting structures 3243 can be fixedly connected together by welding such as laser welding. After the third connection structure 3241 and the fourth connection structure 3243 are fixedly connected, there may be a splicing weld. For example, there is a second gap 3242 between the third connection structure 3241 and the fourth connection structure 3243. In order to prevent water leakage of the sounding device 2, the second gap 3242 can be closed or sealed to improve the waterproof performance of the sounding device 2.

The first bracket portion 321 may be formed by bending the metal strip one or more times, such as twice. The first bracket portion 321 has at least one straight section and at least one bent section, such as the first bracket 321 has a first straight section 3211, a first bent section 3214, a second straight section 3212, and a second bent section in sequence. The folded section 3215 and the third straight section 3213, the first straight section 3211 and the second straight section 3212 are bent and arranged by the first bent section 3214 such as to be perpendicular to each other, the second straight section 3212 and the third straight section 3213 are bent and arranged such as to be perpendicular to each other by the second bending section 3215. The first straight section 3211 and the third straight section 3213 are disposed opposite, such as parallel to each other. In some embodiments of the present invention, the first straight section 3211 and the third straight section 3213 are symmetrically arranged with respect to the second straight section 3212 .

The first connecting structure 3231 can be fixedly connected with the first straight section 3211 , and the third connecting structure 3241 can be fixedly connected with the third straight section 3213 .

The second bracket portion 322 may be formed by bending the metal strip one or more times, such as twice. The second bracket portion 322 has at least one straight section and at least one bent section, such as the second bracket 322 has a fourth straight section 3221, a third bent section 3224, a fifth straight section 3222, a fourth straight section 3221, a third bent section 3224, and a fourth Bent segment 3225 and sixth straight segment 3223. The fourth straight section 3221 and the fifth straight section 3222 are bent and arranged by the third bending section 3224 such as to be perpendicular to each other, and the fifth straight section 3222 and the sixth straight section 3223 are bent and arranged by the fourth bending section 3225 such as perpendicular to each other. The fourth straight section 3221 and the sixth straight section 3223 are disposed opposite, such as parallel to each other. In some embodiments of the present invention, the fourth straight section 3221 and the sixth straight section 3223 are symmetrically arranged with respect to the fifth straight section 3222 .

The third connecting structure 3233 can be fixedly connected with the fourth straight section 3211 , and the fourth connecting structure 3243 can be fixedly connected with the sixth straight section 3223 .

In the process of actually producing and processing the sound membrane 240 and the basin frame 300 of the present invention, one or more metal strips such as steel strips can be bent to form a bending structure, and welding operations are performed at the splicing position to form the basin frame 300 structure. . Then, the sound film 240 can be formed on the basin frame 300, so that a part of the sound film 240 can be fixedly connected with the basin frame 300, and a part of the sound film 240 can be fixedly connected to the splicing part 300B formed at the splicing position, so that the matching can be realized. The gaps (the first gap 3232 and the second gap 3242 ) of the splicing part 300B are sealed or/and closed, so as to improve the waterproof performance of the sound producing device 2 at the position of the basin frame 300 .

The fixed connection between the sound membrane 240 and the basin frame 300 will be described in detail below in conjunction with the structure of the sound membrane 240 to improve the waterproof performance of the sound producing device 2 at the position of the basin frame 300 .

Please refer to FIG. 12 and FIG. 13 together. FIG. 12 is a perspective view of the sound membrane in the sound producing device of the present invention, and FIG. 13 is a partial enlarged view of D shown in FIG. 12 . The sound membrane 240 may include a first connecting part 241 connected to at least two bracket parts 300A and at least two splicing parts 300B, a second connecting part 243 connected to the frame body 262 , and the first connecting part 241 and the second connecting part. The main body portion 242 between 243, the first connecting portion 241, the main body portion 242 and the second connecting portion 243 are connected in sequence and can be integrally formed. The first connecting portion 241 is located outside the main body portion 242 and the second connecting portion 243 .

In an optional embodiment of the present invention, the first connecting portion 241 may be connected to the outer surface 325 and the inner end surface 328 of the basin frame 300, and cover the splicing portion 300B on the outer surface 325 and the inner end surface 328 of the basin frame 300 (No. a splicing part 323 and a second splicing part 324). The first connecting part 241 may include a first sub-connecting part 2411 connected with the inner end surface 328 of the basin frame 300, a second sub-connecting part 2412 connected with the outer surface 325 of the basin frame 300, and the first sub-connecting part 2411 is connected to the main body between the part 242 and the second sub-connection part 2412 .

In an optional implementation manner of the present invention, the first connecting portion 241 may also seal the first gap 3232 and the second gap 3242 . The first connecting portion 241 may further include two third sub-connecting portions 2413 disposed in the first slit 3232 and the second slit 3242, such as a third sub-connecting portion 2413 disposed in a first slit 3232 and connecting the first sub-connecting portion 2413. The connecting structure 3231 and the second connecting structure 3233. Another third sub-connecting portion 2413 is disposed in the second slot 3242 and connects the third connecting structure 3241 and the fourth connecting structure 3243 . The third sub-connecting portion 2413 is also connected to the first sub-connecting portion 2411 and the second sub-connecting portion 2412 , so that the waterproof performance of the sound producing device 2 at the position of the basin frame 300 can be further effectively improved.

In an optional embodiment of the present invention, the first connecting portion 241 may further include a fourth sub-connecting portion 2414 that is connected to the first sub-connecting portion 2411 and is spaced apart from the second sub-connecting portion 2412. The fourth sub-connecting portion 2414 and the second sub-connecting portion 2412 are formed with spaced spaces 3415 for accommodating bent segments such as the first bent segment 3214 , the second bent segment 3215 , the third bent segment 3224 and the fourth bent segment 3225 . Thereby, the fourth sub-connecting part 3414 can be connected with the bending sections such as the first bending section 3214 , the second bending section 3215 , the third bending section 3224 and the fourth bending section 3225 , and the inner part of the basin frame 300 The surfaces 326 are connected to increase the stability of the fixed connection between the sound membrane 240 and the basin frame 300, and at the same time, the possibility of deformation of the bending section of the basin frame 300 due to stress can be reduced.

The first connecting portion 241 , the second connecting portion 243 and the main body portion 242 of the sound membrane 240 surround and form an accommodating space 244 for accommodating the dome 280 .

Wherein, the outer end surface 325 of the basin frame 300 is away from the main body portion 242 .

In an optional embodiment of the present invention, the first connecting portion 241 may also be connected to the inner surface 326 of the basin frame 300 and cover the splicing portion 300B on the inner surface 326 of the basin frame 300 .

In the present invention, a part of the sound membrane 240 can be directly integrally formed on the basin frame 300 , so as to realize the fixed connection with the basin frame 300 . At the same time, the first sub-connecting portion 2411 of the sound membrane 240 can cover the inner end surface 327 of the basin frame 300 where the splicing portion 300B of the basin frame 300 is located, and the second sub-connecting portion 2422 can cover the outer surface of the basin frame 300 where the splicing portion 300B is located. 325. The third sub-connecting part 2423 can be filled in the gaps of the splicing part 300B (the first gap 3232 and the second gap 3242), so that the splicing part 300B can be surrounded from different directions, greatly reducing the noise caused by the sounding device 2. The connection structure of the frame 300 is unstable and the possibility of water leakage can effectively improve the waterproof performance.

The magnetic circuit system 10 may include a pole core 170 , a yoke 160 , a main magnet 150 , a first secondary magnet 110 , a second secondary magnet 120 , a third secondary magnet 130 , and a fourth secondary magnet 140 . The magnetic yoke 160 is arranged around the outer side of the voice coil 400 , and the magnetic yoke 160 and the sound membrane 240 are spaced apart from each other. The magnetic yoke 160 has a groove 162 and a yoke body 164 surrounding the groove 162 . A portion of the voice coil 400 may be placed in the groove 162 , and the pole core 170 may be placed in the groove 162 . The yoke body 164 may surround the outside of the voice coil 400 and the pole core 170 . The pole core 170 may be stacked with the main magnetic steel 150 , and the pole core 170 may be placed inside the voice coil body 460 of the voice coil 400 to increase the stability of the voice coil body 460 .

The main magnetic steel 150 , the first auxiliary magnetic steel 110 , the second auxiliary magnetic steel 120 , the third auxiliary magnetic steel 130 and the fourth auxiliary magnetic steel 140 are all fixed on one side of the yoke 160 , and the first auxiliary magnetic steel 110 , the second auxiliary magnetic steel 120, the third auxiliary magnetic steel 130 and the fourth auxiliary magnetic steel 140 are arranged around the periphery of the main magnetic steel 150, and the first auxiliary magnetic steel 110, the second auxiliary magnetic steel 120, the third auxiliary magnetic steel Both the steel 130 and the fourth secondary magnet 140 have a magnetic gap with the main magnet 150, and a part of the voice coil 400 is inserted into the magnetic gap.

The bottom plate 500 may be covered on the side of the main magnetic steel 150 , the first auxiliary magnetic steel 110 , the second auxiliary magnetic steel 120 , the third auxiliary magnetic steel 130 and the fourth auxiliary magnetic steel 140 which is away from the voice coil 400 . The pole core 170 is disposed on the side of the main magnetic steel 150 away from the bottom plate 500 .

The above are only the embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these belong to the present invention. scope of protection.

Claims

A sounding device, comprising a basin frame and a vibration system fixed to the basin frame, the vibration system comprising a vibrating membrane and a voice coil for driving the vibrating membrane to vibrate, the vibrating membrane comprising a dome and a A sound membrane with a top outer periphery, characterized in that the basin frame includes at least two bracket parts and a splicing part formed by fixedly connecting two adjacent bracket parts, and the sound membrane includes a connection part connected to the at least two bracket parts and the The first connection part, the second connection part of the splicing part and the main body part located between the first connection part and the second connection part, and the first connection part is located between the main body part and the second connection part outside.
The sound-generating device according to claim 1, wherein the basin frame has an outer surface located outside the basin frame, an inner surface opposite to the outer surface, an outer end surface away from the main body, and an inner surface opposite to the outer surface. The outer end surface is opposite to the inner end surface, the first connecting part is connected with the outer surface and the inner end surface of the basin frame, and covers the splicing part on the outer surface and the inner end surface of the basin frame.
The sounding device according to claim 2, wherein the first connecting part comprises a first sub-connecting part connected with the inner end surface of the basin frame, and a second sub-connecting part connected with the outer surface of the basin frame A connection part, the first sub-connection part is connected between the main body part and the second sub-connection part.
The sounding device according to claim 3, wherein the at least two bracket parts comprise a first bracket part and a second bracket part, and the first bracket part and the second bracket part are fixedly connected to form at least one splicing part , the splicing part comprises a first connecting structure arranged at one end of the first support part, a second connecting structure arranged at one end of the second support part, and the first connecting structure and the second connecting structure are spaced apart the gap, the first connecting part further includes a third sub-connecting part arranged in the gap and connecting the first connecting structure and the second connecting structure, the third sub-connecting part also connecting the first connecting part A sub-connection part and a second sub-connection part.
The sound-generating device according to claim 4, wherein the bracket portion comprises at least one bent section and a first straight section and a second straight section connected to both ends of the bent section, the first straight section The connection part further includes a fourth sub-connection part connected to the first sub-connection part and spaced from the second sub-connection part, the fourth sub-connection part is connected to the bending section and is connected to the second sub-connection part. connected to the inner surface of the basin frame.
The sounding device according to claim 5, wherein the first sub-connecting part, the second sub-connecting part, the third sub-connecting part, the fourth sub-connecting part, the second connecting part and the third connecting part are integrated The sound membrane is formed so that the first sub-connection part, the second sub-connection part, the third sub-connection part and the fourth sub-connection part are integrally formed on the basin frame.
The sound-generating device according to any one of claims 2 to 6, wherein the basin frame has an outer surface located outside the basin frame, an inner surface disposed opposite to the outer surface, and a portion away from the main body. The outer end face and the inner end face opposite to the outer end face, the first connecting part is also connected with the inner surface of the basin frame, and covers the splicing part on the inner surface of the basin frame.
The sound-generating device according to claim 1, wherein the basin frame has an outer surface located outside the basin frame, an inner surface opposite to the outer surface, an outer end surface away from the main body, and an inner surface opposite to the outer surface. On the inner end surface opposite to the outer end surface, the first connecting part is connected with the inner surface and the inner end surface of the basin frame, and covers the splicing part on the inner surface and the inner end surface of the basin frame.
The sound-generating device according to claim 1, wherein the basin frame has an outer surface located outside the basin frame, an inner surface opposite to the outer surface, an outer end surface away from the main body, and an inner surface opposite to the outer surface. the inner end face oppositely arranged on the outer end face;

The at least two bracket parts include a first bracket part and a second bracket part, the first bracket part and the second bracket part are fixedly connected to form at least one splicing part, and the splicing part includes a splicing part arranged on the first bracket part. a first connecting structure at one end, a second connecting structure disposed at one end of the second bracket portion, and a gap separating the first connecting structure and the second connecting structure;

The first connection part comprises a first sub-connection part connected with the inner end face of the basin frame and a third sub-connection part arranged in the gap and connected to the first connection structure and the second connection structure, The third sub-connection portion is also connected to the first sub-connection portion.