CN117857990A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN117857990A CN117857990A CN202410265171.0A CN202410265171A CN117857990A CN 117857990 A CN117857990 A CN 117857990A CN 202410265171 A CN202410265171 A CN 202410265171A CN 117857990 A CN117857990 A CN 117857990A
- Authority
- CN
- China
- Prior art keywords
- basin frame
- voice coil
- elastic wave
- ball top
- hanging
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 4
- 230000004308 accommodation Effects 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention relates to the technical field of electroacoustic conversion and provides a loudspeaker, which comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system is fixed on the basin frame and is provided with a magnetic gap, and the vibration system comprises a vibrating diaphragm assembly and a voice coil assembly, wherein the vibrating diaphragm assembly is fixed on the basin frame, and the voice coil assembly is used for driving the vibrating diaphragm assembly to vibrate and sound; the vibrating diaphragm assembly comprises a ball top positioned in the middle, a folding ring encircling the ball top and fixed on the basin frame, and a connecting wall formed by extending the ball top towards the voice coil assembly, wherein the connecting wall is integrally formed and comprises a connecting part for connecting the ball top and the folding ring, and a first hanging part and a second hanging part which are arranged at one side far away from the ball top and are arranged at intervals; the vibration system further comprises a first elastic wave component and a second elastic wave component, wherein the first elastic wave component and the second elastic wave component are fixed on the basin frame and are arranged at intervals, one end, far away from the basin frame, of the first elastic wave component is connected to the first hanging portion, one end, far away from the basin frame, of the second elastic wave component is connected to the second hanging portion, and therefore the space utilization rate can be improved, the ultrathin vibration system is good in balance.
Description
Technical Field
The invention relates to the technical field of electroacoustic conversion, in particular to a loudspeaker.
Background
The vehicle-mounted loudspeaker industry generally adopts a traditional cone loudspeaker, and the current automobile has higher requirements on high sound quality, flexible arrangement, low power consumption and small vibration of a loudspeaker (loudspeaker).
The vehicle-mounted loudspeaker comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system is respectively fixed on the basin frame, the magnetic circuit system is provided with a magnetic gap, the magnetic circuit system drives the vibration system to vibrate and sound, the vibration system comprises a vibrating diaphragm fixed on the basin frame and a voice coil assembly fixed on the vibrating diaphragm and inserted into the magnetic gap to drive the vibrating diaphragm to vibrate and sound, and the problem that the structural size is large, the efficiency is low and the low-frequency vibration is large exists.
Accordingly, there is a need to provide a new speaker to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a loudspeaker which improves space utilization, is ultra-thin and has good balance of a vibration system.
The technical scheme of the invention is as follows: a loudspeaker comprises a basin frame, a vibration system fixed on the basin frame and a magnetic circuit system with a magnetic gap,
the vibration system comprises a vibrating diaphragm assembly fixed on the basin frame and a voice coil assembly used for driving the vibrating diaphragm assembly to vibrate and sound;
the vibrating diaphragm assembly comprises a ball top positioned in the middle, a folding ring encircling the ball top and fixed on the basin frame, and a connecting wall formed by extending the ball top towards the voice coil assembly, wherein the connecting wall is integrally formed and comprises a connecting part for connecting the ball top and the folding ring, and a first hanging part and a second hanging part which are arranged at one side far from the ball top and are mutually arranged at intervals;
the vibration system further comprises a first elastic wave component and a second elastic wave component which are fixed on the basin frame and are arranged at intervals, one end, away from the basin frame, of the first elastic wave component is connected with the first hanging portion, and one end, away from the basin frame, of the second elastic wave component is connected with the second hanging portion.
According to one embodiment of the invention, the connecting part is provided with a through hole, the connecting part is connected with the ball top cover so that the ball top cover is arranged on the through hole, and the first hanging part and the second hanging part are respectively positioned on two symmetrical sides of the through hole.
According to one embodiment of the present invention, the connection wall further includes a first fixing portion connecting the connection portion and the first suspension portion, the first fixing portion including a first vertical section formed by the connection portion extending toward the voice coil assembly and connected to the first suspension portion, and a first horizontal section formed by the first vertical section extending toward the opening and connected to the connection portion, the first vertical section being different from the first horizontal section in length.
According to one embodiment of the present invention, a plurality of first fixing portions are provided, and a first reinforcing portion is provided between adjacent first fixing portions.
According to one embodiment of the present invention, the connection wall further includes a second fixing portion connecting the connection portion and the second suspension portion, the second fixing portion including a second vertical section formed by the connection portion extending toward the voice coil assembly and connected to the second suspension portion, and a second horizontal section formed by the second vertical section extending toward the opening and connected to the connection portion, the second vertical section being different from the second horizontal section in length.
According to one embodiment of the present invention, a plurality of second fixing portions are provided, and second reinforcing portions are provided between adjacent second fixing portions.
According to one embodiment of the invention, the voice coil assembly comprises a square voice coil movably arranged in the magnetic gap and a framework for connecting the square voice coil and the vibrating diaphragm assembly, and a first wire outlet part and a second wire outlet part which are symmetrical are arranged on one side of the framework away from the square voice coil.
According to one embodiment of the invention, the loudspeaker further comprises a first external bonding pad and a second external bonding pad which are embedded in the basin frame and are communicated with an external circuit, a first braided wire which is connected with the first external bonding pad and the first wire outlet part, and a second braided wire which is connected with the second external bonding pad and the second wire outlet part, wherein the first braided wire and the second braided wire are positioned in the basin frame.
According to one embodiment of the invention, the magnetic circuit system comprises a magnetic bowl, magnetic steel accommodated in the magnetic bowl and a pole core attached to the surface of the magnetic steel, and the square voice coil is movably arranged in a magnetic gap between the pole core and the magnetic bowl.
According to one embodiment of the invention, the basin frame is rectangular, and comprises a main body part, a first mounting part and a second mounting part, wherein the main body part is provided with a containing space and is used for mounting the magnetic circuit system, the first mounting part is formed in the containing space and is positioned on one side of the main body part, the second mounting part is formed in the containing space and is positioned on the other side of the main body part, the first elastic wave component is mounted on the first mounting part, and the second elastic wave component is mounted on the second mounting part.
The invention has the beneficial effects that: the vibration system of the loudspeaker comprises a vibrating diaphragm assembly fixed on a basin frame and a voice coil assembly used for driving the vibrating diaphragm assembly to vibrate and sound; the vibrating diaphragm assembly comprises a ball top positioned in the middle, a folding ring encircling the ball top and fixed on the basin frame, and a connecting wall formed by extending the ball top towards the voice coil assembly, wherein the connecting wall is integrally formed and comprises a connecting part for connecting the ball top and the folding ring, and a first hanging part and a second hanging part which are arranged at one side far away from the ball top and are arranged at intervals; the vibration system further comprises a first elastic wave component and a second elastic wave component which are fixed on the basin frame and are arranged at intervals, one end of the first elastic wave component, which is far away from the basin frame, is connected to the first suspension part, and one end of the second elastic wave component, which is far away from the basin frame, is connected to the second suspension part, so that the inner space of the loudspeaker is reasonably utilized by the first elastic wave component and the second elastic wave component, the height of the loudspeaker is thinned, ultrathin development is facilitated, meanwhile, the first suspension part is matched with the first elastic wave component, and the second suspension part is matched with the second elastic wave component, so that the balance of the vibration system is improved.
Drawings
Fig. 1 is a schematic perspective view of a speaker according to the present invention.
Fig. 2 is a schematic view of a partially exploded perspective structure of a speaker according to the present invention.
Fig. 3 is an exploded perspective view of a speaker according to the present invention.
Fig. 4 is a cross-sectional view taken along A-A in fig. 1.
Fig. 5 is a schematic perspective view of a connecting wall according to the present invention.
Fig. 6 is a schematic perspective view of another view of the connecting wall of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 4, a speaker according to an embodiment of the present invention includes a frame 10, a vibration system 20, and a magnetic circuit system 30 having a magnetic gap 301. The magnetic circuit system 30 is used for driving the vibration system 20 to vibrate and sound. The basin stand 10 is used for fixing the vibration system 20 and the magnetic circuit system 30.
Referring to fig. 1 to 4, the vibration system 20 includes a diaphragm assembly 21 fixed to the frame 10 and a voice coil assembly 22 for driving the diaphragm assembly 21 to vibrate and sound.
Referring to fig. 2 to 4, the diaphragm assembly 21 includes a dome 211 in the middle, a ring 212 surrounding the dome 211 and fixed to the frame 10, and a connecting wall 213 extending from the dome 211 toward the voice coil assembly 22, wherein the connecting wall 213 is integrally formed, and the connecting wall 213 includes a connecting portion 2131 for connecting the dome 211 and the ring 212, and a first hanging portion 2132 and a second hanging portion 2133 disposed at a side far from the dome 211 and spaced apart from each other.
Referring to fig. 2 to 4, the vibration system 20 further includes a first elastic wave assembly 23 and a second elastic wave assembly 24 fixed to the basin frame 10 and disposed at intervals, wherein an end of the first elastic wave assembly 23 away from the basin frame 10 is connected to the first hanging portion 2132, and an end of the second elastic wave assembly 24 away from the basin frame 10 is connected to the second hanging portion 2133.
In this embodiment, the first and second damper assemblies 23 and 24 reasonably utilize the internal space of the speaker, reduce the height of the speaker, facilitate the development of ultra-thin, and apply the speaker to a vehicle, which can be used as a vehicle speaker, and can meet the parameter requirements of the vehicle speaker for high sound quality, small-size flexible layout, low power consumption and small vibration of the speaker. Further, the first hanging portion 2132 is matched with the first elastic wave component 23, and the second hanging portion 2133 is matched with the second elastic wave component 24, so that balance of the vibration system is improved, and acoustic performance of the loudspeaker is improved.
In some embodiments, referring to fig. 1 to 3, the tub 10 is rectangular such that the speaker is rectangular. The basin stand 10 includes a main body 12 having a receiving space 11 and for mounting the magnetic circuit 30, a first mounting portion 13 formed in the receiving space 11 and located at one side of the main body 12, and a second mounting portion 14 formed in the receiving space 11 and located at the other side of the main body 12, wherein the first damper assembly 23 is mounted on the first mounting portion 13, and the second damper assembly 24 is mounted on the second mounting portion 14. The loudspeaker of this embodiment rationally utilizes the inner space of speaker, and the overall arrangement is compact, does benefit to the ultrathin development.
In some embodiments, referring to fig. 2 and 3, the first elastic wave assembly 23 and the second elastic wave assembly 24 have the same structure and are in a racetrack shape. In one implementation, the first elastic wave assembly 23 includes a first elastic wave fixing portion 231, a first elastic wave edge portion 232, a second elastic wave fixing portion 233, a first elastic wave connecting portion 234 connecting the first elastic wave fixing portion 231 and the first elastic wave edge portion 232, and a second elastic wave connecting portion 235 connecting the first elastic wave edge portion 232 and the second elastic wave fixing portion 233; the first elastic wave fixing portion 231 is fixed to the tub 10, and the second elastic wave fixing portion 233 is connected to the first hanging portion 2132. In one implementation, the second shot assembly 24 includes a third shot fixing portion 241, a second shot edge portion 242, a fourth shot fixing portion 243, a third shot connecting portion 244 connecting the third shot fixing portion 241 and the second shot edge portion 242, and a fourth shot connecting portion 245 connecting the second shot edge portion 242 and the fourth shot fixing portion 243; the third elastic wave fixing portion 241 is fixed to the frame 10, and the fourth elastic wave fixing portion 243 is connected to the second hanging portion 2133.
Referring to fig. 2 to 4, the cross sections of the first, second, third and fourth elastic wave connecting portions 234, 235, 244 and 245 along the vibration direction are wavy. The wavy elastic wave component has better damping performance, and is beneficial to improving the stability of the vibration system 20 during vibration, thereby improving the product performance of the loudspeaker.
Referring to fig. 5-6, the connecting portion 2131 has a through hole 201 adapted to the dome 211, the connecting portion 2131 connects the dome 211 such that the dome 211 is covered on the through hole 201, and the first hanging portion 2132 and the second hanging portion 2133 are respectively located on two symmetrical sides of the through hole 201.
Referring to fig. 5 to 6, the connecting wall 213 further includes a first fixing portion 2134 connected to the connecting portion 2131 and the first hanging portion 2132, the first fixing portion 2134 includes a first vertical segment 1 formed by extending the connecting portion 2131 toward the voice coil assembly 22 and connected to the first hanging portion 2132, and a first horizontal segment 2 formed by extending the first vertical segment 1 toward the through hole 201 and connected to the connecting portion 2031, wherein the lengths of the first vertical segment 1 and the first horizontal segment 2 are different. The first fixing portions 2134 may be provided in plural numbers, and the first reinforcement portions 2135 may be provided between adjacent first fixing portions 2134.
Referring to fig. 5 to 6, the connecting wall 213 further includes a second fixing portion 2136 connected to the connecting portion 2131 and the second hanging portion 2133, the second fixing portion 2136 includes a second vertical segment 3 formed by extending the connecting portion 2131 toward the voice coil assembly 22 and connected to the second hanging portion 2133, and a second horizontal segment 4 formed by extending the second vertical segment 3 toward the through hole 201 and connected to the connecting portion 2131, and the lengths of the second vertical segment 3 and the second horizontal segment 4 are different. The second fixing portions 2136 may be provided in plural numbers, and the second reinforcement portions 2137 are provided between adjacent second fixing portions 2136.
The cross sections of the first and second fixing portions 2134 and 2136 of this embodiment may be regular or irregular, and the first and second reinforcing portions 2135 and 2137 may be sheet-shaped reinforcing ribs, which can provide good high-frequency structural strength, thereby improving acoustic performance of the speaker.
Referring to fig. 2 to 4, the voice coil assembly 22 includes a square voice coil 221 movably disposed in the magnetic gap 301, and a frame 222 connecting the square voice coil 221 and the diaphragm assembly 21, wherein a side of the frame 222 away from the square voice coil 221 is provided with a first wire outlet portion 2221 and a second wire outlet portion 2222. The embodiment adopts the upper side line outlet of the framework 222, which is beneficial to improving the space utilization and reducing the line arranging difficulty.
Referring to fig. 2 and 3, the speaker further includes a first external pad 40 and a second external pad 50 embedded in the frame 10 and connected to an external circuit, a first braided wire 60 connecting the first external pad 40 and the first wire outlet 2221, and a second braided wire 70 connecting the second external pad 50 and the second wire outlet 2222, wherein the first braided wire 60 and the second braided wire 70 are located in the frame 10. The first braided wire 60 and the second braided wire 70 of this embodiment form a natural radian on the upper side of the skeleton 222, so that the braided wire does not interfere with the square voice coil 221 and the basin frame 10 in the motion process, and meanwhile, the braided wire is arranged inside the basin frame 10 and is conducted with the outside through an external bonding pad, so that the braided wire is not exposed, the safety of the loudspeaker is improved, and the service life of the loudspeaker is prolonged.
Referring to fig. 3 and 4, the magnetic circuit system 30 includes a magnetic bowl 31, a magnetic steel 32 accommodated in the magnetic bowl 31, and a pole core 33 attached to the surface of the magnetic steel 32, and a square voice coil 221 is movably disposed in a magnetic gap 301 between the pole core 33 and the magnetic bowl 31. The square voice coil 221 of this embodiment moves up and down in the magnetic gap 301 between the pole core 33 and the magnetic bowl 31, and cooperates with the square magnetic circuit, so that the internal space of the speaker can be fully facilitated, and higher magnetic energy can be provided compared with a circular magnetic circuit system, thereby improving the sensitivity of the speaker.
While the invention has been described with respect to the above embodiments, it should be noted that modifications can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the invention.
Claims (10)
1. The loudspeaker comprises a basin frame, a vibration system fixed on the basin frame and a magnetic circuit system with a magnetic gap, and is characterized in that the vibration system comprises a vibrating diaphragm assembly fixed on the basin frame and a voice coil assembly used for driving the vibrating diaphragm assembly to vibrate and sound;
the vibrating diaphragm assembly comprises a ball top positioned in the middle, a folding ring encircling the ball top and fixed on the basin frame, and a connecting wall formed by extending the ball top towards the voice coil assembly, wherein the connecting wall is integrally formed and comprises a connecting part for connecting the ball top and the folding ring, and a first hanging part and a second hanging part which are arranged at one side far from the ball top and are mutually arranged at intervals;
the vibration system further comprises a first elastic wave component and a second elastic wave component which are fixed on the basin frame and are arranged at intervals, one end, away from the basin frame, of the first elastic wave component is connected with the first hanging portion, and one end, away from the basin frame, of the second elastic wave component is connected with the second hanging portion.
2. A loudspeaker according to claim 1, wherein: the connecting portion is provided with a through hole, the connecting portion is connected with the ball top so that the ball top cover is arranged on the through hole, and the first hanging portion and the second hanging portion are respectively located on two symmetrical sides of the through hole.
3. A loudspeaker according to claim 2, wherein: the connecting wall further comprises a first fixing part connected with the connecting part and the first hanging part, the first fixing part comprises a first vertical section formed by extending the connecting part towards the direction of the voice coil assembly and connected with the first hanging part, and a first horizontal section formed by extending the first vertical section towards the direction of the through hole and connected with the connecting part, and the lengths of the first vertical section and the first horizontal section are different.
4. A loudspeaker according to claim 3, wherein: the first fixing parts are arranged in a plurality, and first reinforcing parts are arranged between adjacent first fixing parts.
5. A loudspeaker according to claim 2, wherein: the connecting wall further comprises a second fixing part for connecting the connecting part with the second hanging part, the second fixing part comprises a second vertical section formed by extending the connecting part towards the direction of the voice coil assembly and connected with the second hanging part, and a second horizontal section formed by extending the second vertical section towards the direction of the through hole and connected with the connecting part, and the lengths of the second vertical section and the second horizontal section are different.
6. A loudspeaker according to claim 5, wherein: the second fixing parts are arranged in a plurality, and second reinforcing parts are arranged between the adjacent second fixing parts.
7. A loudspeaker according to claim 1, wherein: the voice coil assembly comprises a square voice coil movably arranged in the magnetic gap and a framework connected with the square voice coil and the vibrating diaphragm assembly, and a first wire outlet part and a second wire outlet part which are symmetrical are arranged on one side, away from the square voice coil, of the framework.
8. The loudspeaker as recited in claim 7, wherein: the loudspeaker further comprises a first external bonding pad and a second external bonding pad which are embedded in the basin frame and are communicated with an external circuit, a first braided wire which is connected with the first external bonding pad and the first wire outlet part, and a second braided wire which is connected with the second external bonding pad and the second wire outlet part, wherein the first braided wire and the second braided wire are positioned in the basin frame.
9. The loudspeaker as recited in claim 7, wherein: the magnetic circuit system comprises a magnetic bowl, magnetic steel contained in the magnetic bowl and a pole core attached to the surface of the magnetic steel, and the square voice coil is movably arranged in a magnetic gap between the pole core and the magnetic bowl.
10. A loudspeaker according to claim 1, wherein: the basin frame is the rectangle, the basin frame including have accommodation space and be used for installing magnetic circuit's main part, form in accommodation space just be located the first installation department of main part one side and form in accommodation space just be located the second installation department of main part opposite side, first bullet wave assembly install in first installation department, second bullet wave assembly install in second installation department.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410265171.0A CN117857990B (en) | 2024-03-08 | 2024-03-08 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410265171.0A CN117857990B (en) | 2024-03-08 | 2024-03-08 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117857990A true CN117857990A (en) | 2024-04-09 |
| CN117857990B CN117857990B (en) | 2024-05-17 |
Family
ID=90536606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410265171.0A Active CN117857990B (en) | 2024-03-08 | 2024-03-08 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117857990B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005020630A1 (en) * | 2003-08-22 | 2005-03-03 | Koninklijke Philips Electronics N.V. | Loudspeaker having a composite diaphragm structure |
| US20060269094A1 (en) * | 2005-05-31 | 2006-11-30 | Pioneer Corporation | Speaker |
| WO2012163003A1 (en) * | 2011-05-31 | 2012-12-06 | 歌尔声学股份有限公司 | Dynamic electroacoustic transducer |
| WO2013007112A1 (en) * | 2011-07-12 | 2013-01-17 | 东莞常禾电子有限公司 | Double-dangling-edge loudspeaker |
| CN104581560A (en) * | 2013-10-25 | 2015-04-29 | 迪芬尼香港有限公司 | Low profile loudspeaker transducer |
| CN205793260U (en) * | 2016-06-27 | 2016-12-07 | 东莞正阳电子有限公司 | A kind of super-thin speaker structure |
| CN207573627U (en) * | 2017-12-25 | 2018-07-03 | 歌尔科技有限公司 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN112261541A (en) * | 2020-09-23 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112770238A (en) * | 2021-01-20 | 2021-05-07 | 国光电器股份有限公司 | Lead wire outlet structure of voice coil and loudspeaker |
| WO2022006988A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound production device and electronic apparatus having same |
| CN217721459U (en) * | 2022-06-30 | 2022-11-01 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
-
2024
- 2024-03-08 CN CN202410265171.0A patent/CN117857990B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005020630A1 (en) * | 2003-08-22 | 2005-03-03 | Koninklijke Philips Electronics N.V. | Loudspeaker having a composite diaphragm structure |
| US20060269094A1 (en) * | 2005-05-31 | 2006-11-30 | Pioneer Corporation | Speaker |
| WO2012163003A1 (en) * | 2011-05-31 | 2012-12-06 | 歌尔声学股份有限公司 | Dynamic electroacoustic transducer |
| WO2013007112A1 (en) * | 2011-07-12 | 2013-01-17 | 东莞常禾电子有限公司 | Double-dangling-edge loudspeaker |
| CN104581560A (en) * | 2013-10-25 | 2015-04-29 | 迪芬尼香港有限公司 | Low profile loudspeaker transducer |
| CN205793260U (en) * | 2016-06-27 | 2016-12-07 | 东莞正阳电子有限公司 | A kind of super-thin speaker structure |
| CN207573627U (en) * | 2017-12-25 | 2018-07-03 | 歌尔科技有限公司 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
| WO2022006988A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound production device and electronic apparatus having same |
| CN112261541A (en) * | 2020-09-23 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112770238A (en) * | 2021-01-20 | 2021-05-07 | 国光电器股份有限公司 | Lead wire outlet structure of voice coil and loudspeaker |
| CN217721459U (en) * | 2022-06-30 | 2022-11-01 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
Non-Patent Citations (4)
| Title |
|---|
| JOSE MARTINEZ: "高声压级小尺寸扬声器单元在实际应用中的局限性及改进方法", 《2011电声技术国际研讨会》, 10 July 2012 (2012-07-10) * |
| KRZYSZTOF LUSZTAK: "Analysis of damping materials in a transmission line loudspeaker system", 《2012 JOINT CONFERENCE NEW TRENDS IN AUDIO & VIDEO AND SIGNAL PROCESSING: ALGORITHMS, ARCHITECTURES, ARRANGEMENTS AND APPLICATIONS (NTAV/SPA)》, 16 April 2015 (2015-04-16) * |
| 冯硕: "浅谈汽车音响电动式扬声器", 《科技资讯》, 23 March 2013 (2013-03-23) * |
| 王常亮: "微型声学产品的可靠性分析", 《电声技术》, 31 December 2016 (2016-12-31) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117857990B (en) | 2024-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110149580B (en) | Loudspeaker | |
| CN109348370B (en) | Sound production device | |
| CN111641906B (en) | Sound production device | |
| CN111093138B (en) | Sound production device | |
| CN110891230B (en) | Sound production device | |
| KR100888965B1 (en) | Speaker | |
| CN109769183B (en) | Loudspeaker | |
| US11700490B2 (en) | Speaker | |
| CN107968979A (en) | Microphone device | |
| CN211959525U (en) | Miniature acoustic generator | |
| KR20080001090A (en) | Speaker | |
| CN117857990B (en) | Loudspeaker | |
| CN117395573A (en) | Sounding device | |
| CN209710308U (en) | A kind of osteoacusis loudspeaker | |
| US11856384B2 (en) | Speaker and electronic device | |
| CN205793281U (en) | Speaker | |
| CN213522348U (en) | Thin bone conduction speaker, bone conduction listening device, and thin air conduction speaker | |
| CN101511048B (en) | Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system | |
| CN102273231A (en) | Multifunctional microspeaker | |
| CN218336407U (en) | Loudspeaker | |
| CN216852337U (en) | Ultra-thin ultralow frequency loudspeaker | |
| CN218243831U (en) | Automobile loudspeaker and sound system | |
| CN215835556U (en) | Loudspeaker structure without elastic wave support piece | |
| CN218243832U (en) | Loudspeaker cone and loudspeaker | |
| CN219145605U (en) | Horn structure |
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 |