CN110191403B - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN110191403B CN110191403B CN201910500040.5A CN201910500040A CN110191403B CN 110191403 B CN110191403 B CN 110191403B CN 201910500040 A CN201910500040 A CN 201910500040A CN 110191403 B CN110191403 B CN 110191403B
- Authority
- CN
- China
- Prior art keywords
- metal ring
- vibration
- fixing
- magnetic steel
- vibrating diaphragm
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention belongs to the technical field of electroacoustic conversion, and provides a loudspeaker. The loudspeaker comprises a frame, and a magnetic circuit system and a vibration system which are accommodated in the frame, wherein the vibration system comprises a vibration diaphragm and a voice coil, the vibration diaphragm comprises a vibration part and a fixing part extending from the edge of the vibration part, the fixing part is fixed with the frame, and the vibration part is fixed with the voice coil; the basin frame includes the main part and installs and be close to at the main part the becket of vibrating diaphragm one side, the becket is located between main part and the vibrating diaphragm, the fixed part include with the first connecting portion of vibration portion edge connection and buckle the second connecting portion that extends towards the becket direction from first connecting portion, the becket is including leaning on and fixing the first fixed surface of first connecting portion and laminating fixed second fixed surface with the second connecting portion. According to the invention, the fixing part on the vibrating diaphragm is fixedly attached to the metal ring on the basin frame, so that the metal ring can increase the vibration space of the vibrating part under the condition of ensuring the reliability and the integral strength of the product, and the audio performance of the product is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of electroacoustic conversion, in particular to a loudspeaker.
[ background of the invention ]
Along with the rapid development of science and technology, the popularization rate of the loudspeaker is higher and higher, people's requirements on the loudspeaker are not only limited to the playing of video and audio, but also have higher requirements on the tone quality and the reliability of sound played by the loudspeaker, and the loudspeaker is directly related to the quality of the sound quality of the played sound and the stability of products.
In the prior art, the diaphragm of the speaker is usually glued to the frame made of plastic material to fix the edge of the diaphragm. However, the mutual glued part of basin frame and vibrating diaphragm edge of plastics material is plastics, in order to guarantee whole joint strength, generally increases the width of the basin frame and the vibrating diaphragm edge glued part of plastics material, increases the glued area between basin frame and the vibrating diaphragm edge, but can make the width of the book ring portion on the vibrating diaphragm reduce, has influenced the audio performance of product.
[ summary of the invention ]
The invention aims to provide a loudspeaker, and aims to solve the problem that the audio performance is influenced by the fact that a vibrating diaphragm in the loudspeaker in the prior art is directly glued with a plastic basin frame.
The technical scheme of the invention is as follows: the loudspeaker comprises a frame with a containing space, and a magnetic circuit system and a vibration system which are contained in the frame, wherein the vibration system comprises a vibrating diaphragm and a voice coil for driving the vibrating diaphragm to vibrate, the vibrating diaphragm comprises a vibrating part and a fixing part extending from the edge of the vibrating part, the fixing part is fixed with the frame, and the vibrating part is fixed with the voice coil; the basin frame includes the main part and installs the main part is close to the becket of vibrating diaphragm one side, the becket is located the main part with between the vibrating diaphragm, the fixed part include with the first connecting portion of vibration portion edge connection and certainly first connecting portion court the second connecting portion that the becket direction was buckled and is extended, the becket is including leaning on and fixing the first stationary plane of first connecting portion and with the second stationary plane that the laminating of second connecting portion was fixed.
Further, the main body portion comprises a supporting portion opposite to the first connecting portion, the supporting portion supports the metal ring, the supporting portion extends towards the diaphragm direction to form a protruding portion, and the metal ring is sleeved on the periphery of the protruding portion.
Furthermore, the supporting part extends towards the vibrating diaphragm direction to form a clamping part arranged at an interval with the protruding part, and a containing groove for containing and installing the metal ring is formed between the clamping part and the protruding part.
Further, the second connecting portion is clamped between the metal ring and the clamping portion.
Further, the first fixing surface is fixed to the first connecting portion in an adhesive manner, and the second fixing surface is fixed to the second fixing portion in an adhesive manner.
Furthermore, the main body part further comprises an extension column extending from one end of the support part far away from the diaphragm towards the direction far away from the metal ring, and one side of the metal ring far away from the diaphragm extends to form a metal extension sheet attached to the outer side of the extension column.
Furthermore, the metal ring, the metal extension sheet and the main body part are integrally formed in an injection molding mode, a positioning hole penetrates through the metal extension sheet, and the extension column correspondingly forms a positioning column extending into the positioning hole.
Furthermore, magnetic circuit includes with extend the yoke that the post corresponds and fix the magnet steel assembly of yoke, magnet steel assembly has the magnetic gap, the voice coil loudspeaker voice coil is kept away from the one end of vibration portion extends to in the magnetic gap.
Further, the vibration portion includes the ball top and connects the ball top with roll over the ring between the fixed part, roll over the ring for keeping away from the protruding arc structure of establishing of direction of basin frame, the voice coil loudspeaker voice coil with the ball top is connected.
Furthermore, the magnetic steel component comprises main magnetic steel corresponding to the dome, auxiliary magnetic steel arranged at an interval with the main magnetic steel, and auxiliary magnetic steel stacked on one side of the auxiliary magnetic steel, which is far away from the magnetic yoke, and attached to the metal ring.
Furthermore, the magnetic circuit system is further wrapped and overlapped on an upper clamping plate on one side, far away from the magnetic yoke, of the auxiliary magnetic steel, the auxiliary magnetic steel is located on one side, far away from the voice coil, of the upper clamping plate, and the upper clamping plate and the main body are integrally formed.
Furthermore, the main body part is made of plastic, and the metal ring is a steel ring.
The invention has the beneficial effects that: according to the invention, the metal ring is arranged on one side of the main body part of the basin frame, which is close to the vibrating diaphragm, the first fixing surface on the metal ring and the first connecting part on the fixing part of the vibrating diaphragm are mutually abutted and fixed, and the second fixing surface on the metal ring and the second connecting part on the fixing part of the vibrating diaphragm are mutually attached and fixed, so that the fixing part of the vibrating diaphragm can be stably fixed on the metal ring, the overall strength is ensured by using the rigidity performance of the metal ring, the gluing meeting the strength requirement can be realized without increasing the width of the first connecting part on the fixing part, the vibration space of the vibration part is increased under the condition of ensuring the reliability overall strength of the product, the audio performance of the product is improved, and the performances of the product, such as falling resistance, extrusion resistance and the like, can be improved.
[ description of the drawings ]
Fig. 1 is a schematic overall structure diagram of a speaker according to an embodiment of the present invention;
fig. 2 is an exploded view of the speaker shown in fig. 1;
FIG. 3 is a schematic sectional view taken along line A-A in FIG. 1;
fig. 4 is an enlarged structural diagram of a region B in fig. 3.
[ detailed description ] embodiments
The invention is further described with reference to the following figures and embodiments.
Fig. 1 to fig. 3 show a speaker according to an embodiment of the present invention. The loudspeaker comprises a frame 1 with a containing space, and a magnetic circuit system 3 and a vibration system 4 which are contained in the frame 1, wherein the vibration system 4 comprises a vibrating diaphragm 41 and a voice coil 42 for driving the vibrating diaphragm 41 to vibrate, the vibrating diaphragm 41 comprises a vibrating part 411 and a fixing part 412 extending from the edge of the vibrating part 411, the fixing part 412 is fixed with the frame 1, and the vibrating part 411 is fixed with the voice coil 42. Specifically, the frame 1 includes a main body portion 11 and a metal ring 12 installed on one side of the main body portion 11 close to the diaphragm 41, the metal ring 12 is located between the main body portion 11 and the diaphragm 41, in this embodiment, the main body portion 11 is made of plastic, and the metal ring 12 is a steel ring. Referring to fig. 4, the fixing portion 412 includes a first connecting portion 4121 connected to the edge of the vibrating portion 411 and a second connecting portion 4122 bent and extended from the first connecting portion 4121 toward the metal ring 12, the metal ring 12 includes a first fixing surface 121 abutting against and fixing the first connecting portion 4121 and a second fixing surface 122 attached and fixed to the second connecting portion 4122, the first fixing surface 121 of the metal ring 12 is attached to and fixed to the first connecting portion 4121 of the diaphragm 41, and the second fixing surface 122 of the metal ring 12 is attached to and fixed to the second connecting portion 4122 of the diaphragm 41, specifically, the first fixing surface 121 and the first connecting portion 4121 are fixed by glue, the second fixing surface 122 and the second fixing portion 122 are also fixed by glue, thereby enabling the metal ring 12 to form a stable connection with the fixing portion 412 on the diaphragm 41, and ensuring the connection strength of the diaphragm 41.
In the above embodiment, the main body 11 includes the supporting portion 111 opposite to the first connecting portion 4121, the supporting portion 111 supports the metal ring 12, the protruding portion 112 is formed on the supporting portion 111 extending toward the diaphragm direction, and the metal ring 12 is sleeved on the outer circumference of the protruding portion 112, so that the metal ring 12 can be stably fixed on the supporting portion 111. The supporting portion 111 extends in the diaphragm direction to form a clamping portion 113 spaced from the protruding portion 112, and a receiving groove 110 for receiving the metal ring 12 is formed between the clamping portion 113 and the protruding portion 112, so that the metal ring 12 can be stably clamped between the clamping portion 113 and the protruding portion 112, and the stability of fixing the metal ring 12 is further improved.
In the above embodiment, the second connection portion 4122 of the diaphragm 41 is clamped between the metal ring 12 and the clamping portion 113, so that the metal ring 12 and the second connection portion 4122 are abutted against each other, which is more beneficial to ensuring the stability of the diaphragm 41 and the metal ring 12 being fixed.
In the above embodiment, the main body 11 further includes an extension column 114 extending from one end of the support portion 111 far away from the diaphragm 41 toward a direction far away from the metal ring 12, and the support portion 111 and the extension column 114 are injection molded into a whole; one side of the metal ring 12 away from the diaphragm 41 extends to form a metal extending sheet 123 attached to the outer side of the extending column 114, and the metal ring 12, the metal extending sheet 123 and the main body portion 11 are injection molded into a whole, so that the attaching effect of the metal ring 12 and the main body portion 11 is ensured. Furthermore, a positioning hole 1230 is formed through the metal extending sheet 123, and a positioning column 1140 extending into the positioning hole 1230 is correspondingly formed on the extending column 114, so that the positioning column 1140 and the positioning hole 1230 are connected in a matching manner, and the connection stability between the metal ring 12 and the main body 11 is further enhanced.
In the above embodiment, the vibrating portion 411 includes the dome 4111 and the ring 4112 connected between the dome 4111 and the fixing portion, the ring 4112 is an arc structure protruding in a direction away from the frame 1, and the voice coil 42 is connected to the dome 4111. In this embodiment, the first connecting portion 4121 of the fixing portion 412 is completely glued to the first fixing surface 121 of the metal ring 12, so as to ensure the overall strength by using the rigidity of the metal ring 12, so that the gluing meeting the strength requirement can be realized without increasing the width of the first connecting portion 4121 of the fixing portion 412, so as to increase the width of the folded ring 4112 of the vibrating portion 411 as much as possible to increase the vibration space of the vibrating portion 411, thereby improving the audio performance of the product. Magnetic circuit system 3 includes magnetic yoke 31 corresponding to extension column 114 and magnetic steel assembly 32 fixed to magnetic yoke 31, magnetic steel assembly 32 has magnetic gap 320, and the end of voice coil 42 far away from vibrating portion 411 extends into magnetic gap 320. Specifically, the magnetic steel assembly 32 includes a main magnetic steel 321 corresponding to the dome 4111, a main pole core 324 stacked on the main magnetic steel 321, an auxiliary magnetic steel 322 spaced from the main magnetic steel 321, and an auxiliary magnetic steel 323 stacked on one side of the auxiliary magnetic steel 322 far away from the magnetic yoke 31 and attached to the metal ring 12, so as to further enhance the magnetic field strength and improve the audio performance of the product.
In the above embodiment, the magnetic circuit system 3 further includes the upper clamp 325 disposed on the side of the auxiliary magnetic steel 322 far from the magnetic yoke 31, the auxiliary magnetic steel 323 is disposed on the side of the upper clamp 325 far from the voice coil 42, and the upper clamp 325 and the body 11 are integrally formed to ensure the compactness of the overall structure.
In summary, in the present invention, the metal ring 12 is mounted on the main body portion 11 of the frame 1 near the diaphragm 41, the first fixing surface 121 on the metal ring 12 and the first connecting portion 4121 on the fixing portion 412 of the diaphragm 41 are abutted and fixed to each other, and the second fixing surface 122 on the metal ring 12 and the second connecting portion 4122 on the fixing portion 412 of the diaphragm 41 are attached and fixed to each other, so that the fixing portion 412 of the diaphragm 41 can be stably fixed on the metal ring 12, the overall strength is ensured by the rigidity of the metal ring 12, the gluing meeting the strength requirement can be realized without increasing the width of the first connecting portion 4121 on the fixing portion 412, and the vibration space of the vibrating portion 411 can be increased while ensuring the overall strength of the product, so as to improve the audio performance of the product, and improve the performances of the product, such as falling resistance, extrusion resistance, and the like.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A loudspeaker comprises a frame with a containing space, a magnetic circuit system and a vibration system, wherein the magnetic circuit system and the vibration system are contained in the frame; the frame is characterized by comprising a main body part and a metal ring arranged on one side, close to the vibrating diaphragm, of the main body part, wherein the metal ring is positioned between the main body part and the vibrating diaphragm, the fixing part comprises a first connecting part connected with the edge of the vibrating part and a second connecting part bent and extended from the first connecting part towards the direction of the metal ring, and the metal ring comprises a first fixing surface abutting against and fixing the first connecting part and a second fixing surface attached and fixed with the second connecting part; the main body part comprises a supporting part opposite to the first connecting part, the supporting part supports the metal ring, the supporting part extends towards the vibrating diaphragm direction to form a protruding part, the metal ring is sleeved on the periphery of the protruding part, the main body part is made of plastic, the supporting part extends towards the vibrating diaphragm direction to form a clamping part arranged at an interval with the protruding part, a containing groove for containing and installing the metal ring is formed between the clamping part and the protruding part, and the second connecting part is clamped between the metal ring and the clamping part;
the main part still includes certainly the supporting part is kept away from the one end of vibrating diaphragm is towards keeping away from the extension post that the direction of becket extended, the becket is kept away from one side of vibrating diaphragm is extended to form and is attached in the metal that extends the post outside extends the piece, the becket the metal extend the piece and main part injection moulding is as an organic whole, run through on the metal extends the piece and is formed with the locating hole, it corresponds to form and extends to extend to extend to reference column in the locating hole.
2. The speaker of claim 1, wherein the first fixing surface is adhesively fixed to the first connecting portion, and the second fixing surface is adhesively fixed to the second fixing portion.
3. The loudspeaker of claim 1, wherein the magnetic circuit system comprises a magnetic yoke corresponding to the extension column and a magnetic steel assembly fixed to the magnetic yoke, the magnetic steel assembly having a magnetic gap, and an end of the voice coil remote from the vibration portion extends into the magnetic gap.
4. The loudspeaker of claim 3, wherein the vibrating portion comprises a dome and a folded ring connected between the dome and the fixing portion, the folded ring is an arc-shaped structure protruding in a direction away from the frame, and the voice coil is connected to the dome.
5. The loudspeaker of claim 4, wherein the magnetic steel assembly comprises a main magnetic steel corresponding to the dome, an auxiliary magnetic steel spaced apart from the main magnetic steel, and an auxiliary magnetic steel stacked on a side of the auxiliary magnetic steel away from the magnetic yoke and attached to the metal ring.
6. The speaker of claim 5, wherein the magnetic circuit further includes an upper plate stacked on a side of the auxiliary magnetic steel away from the yoke, the auxiliary magnetic steel is located on a side of the upper plate away from the voice coil, and the upper plate is integrally formed with the main body.
7. The loudspeaker of claim 1, wherein the metal ring is a steel ring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500040.5A CN110191403B (en) | 2019-06-11 | 2019-06-11 | Loudspeaker |
| PCT/CN2019/091123 WO2020248194A1 (en) | 2019-06-11 | 2019-06-13 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500040.5A CN110191403B (en) | 2019-06-11 | 2019-06-11 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110191403A CN110191403A (en) | 2019-08-30 |
| CN110191403B true CN110191403B (en) | 2022-01-28 |
Family
ID=67721168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500040.5A Active CN110191403B (en) | 2019-06-11 | 2019-06-11 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110191403B (en) |
| WO (1) | WO2020248194A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230199402A1 (en) * | 2020-04-18 | 2023-06-22 | Huawei Technologies Co., Ltd. | Speaker Core, Speaker, and Electronic Device |
| CN113930092A (en) * | 2021-11-11 | 2022-01-14 | 美特科技(苏州)有限公司 | Coating agent and loudspeaker adopting same |
| CN218416652U (en) * | 2022-08-12 | 2023-01-31 | 瑞声光电科技(常州)有限公司 | Sound production device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203039895U (en) * | 2012-12-17 | 2013-07-03 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN208874738U (en) * | 2019-04-15 | 2019-05-17 | 歌尔股份有限公司 | A kind of vibrating diaphragm, loudspeaker and earphone |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5087573B2 (en) * | 2009-03-26 | 2012-12-05 | ホシデン株式会社 | Speaker and manufacturing method thereof |
| CN202019446U (en) * | 2010-04-19 | 2011-10-26 | 宁波升亚电子有限公司 | Loudspeaker structure |
| CN102611970A (en) * | 2012-03-27 | 2012-07-25 | 楼氏电子（北京）有限公司 | Micro speaker |
| CN102905203B (en) * | 2012-09-28 | 2015-07-22 | 歌尔声学股份有限公司 | Loudspeaker device |
| CN205793301U (en) * | 2016-05-30 | 2016-12-07 | 歌尔股份有限公司 | Speaker |
| US10368159B2 (en) * | 2016-12-28 | 2019-07-30 | Mitek Corp., Inc. | Water resistant loudspeaker |
| CN107277718A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| CN107277719A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| CN107360522A (en) * | 2017-08-07 | 2017-11-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and electronic equipment |
| CN107396262B (en) * | 2017-08-07 | 2021-02-12 | 瑞声声学科技(深圳)有限公司 | Speaker and electronic equipment |
| CN207869379U (en) * | 2018-01-27 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN208549021U (en) * | 2018-08-01 | 2019-02-26 | 瑞声光电科技(常州)有限公司 | Microphone device |
-
2019
- 2019-06-11 CN CN201910500040.5A patent/CN110191403B/en active Active
- 2019-06-13 WO PCT/CN2019/091123 patent/WO2020248194A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203039895U (en) * | 2012-12-17 | 2013-07-03 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN208874738U (en) * | 2019-04-15 | 2019-05-17 | 歌尔股份有限公司 | A kind of vibrating diaphragm, loudspeaker and earphone |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020248194A1 (en) | 2020-12-17 |
| CN110191403A (en) | 2019-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110191403B (en) | Loudspeaker | |
| CN110267169B (en) | Loudspeaker | |
| CN210093530U (en) | Loudspeaker | |
| CN211531294U (en) | Sound production device | |
| CN204442665U (en) | Stack Microspeaker | |
| CN204929239U (en) | Loudspeaker | |
| CN205320276U (en) | Loudspeaker | |
| US10764686B2 (en) | Speaker | |
| CN109275073B (en) | Loudspeaker and assembling method thereof | |
| CN214177551U (en) | Sound production device | |
| CN107454523B (en) | Sound production device | |
| CN218772414U (en) | Double-sided sound production device | |
| CN212811995U (en) | Sound production device | |
| CN207968902U (en) | Microphone device | |
| US11641550B2 (en) | Speaker | |
| CN212812015U (en) | Sound production device | |
| CN214101780U (en) | Sound production device | |
| CN214481249U (en) | Loudspeaker | |
| CN214101776U (en) | Sound production device | |
| CN209526868U (en) | Loudspeaker | |
| CN211128167U (en) | Miniature loudspeaker | |
| CN219145587U (en) | Loudspeaker | |
| CN207926906U (en) | A kind of loud speaker | |
| CN110166912A (en) | Loudspeaker | |
| CN213906928U (en) | Loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |