CN210093494U - Vibrating diaphragm and loudspeaker adopting same - Google Patents
Vibrating diaphragm and loudspeaker adopting same Download PDFInfo
- Publication number
- CN210093494U CN210093494U CN201921031170.0U CN201921031170U CN210093494U CN 210093494 U CN210093494 U CN 210093494U CN 201921031170 U CN201921031170 U CN 201921031170U CN 210093494 U CN210093494 U CN 210093494U
- Authority
- CN
- China
- Prior art keywords
- fixing portion
- vibrating diaphragm
- fixing
- diaphragm
- hole
- 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.)
- Expired - Fee Related
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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model provides a vibrating diaphragm, its include the vibrating diaphragm body and with vibrating diaphragm body fixed connection's veneer portion, the vibrating diaphragm body including roll over ring portion, certainly roll over the ring portion and extend the fixed part that forms, form in roll over ring portion with through-hole on the fixed part. The gluing part is connected with the fixing part, and the gluing part covers the through hole in the fixing part. The utility model also provides a speaker including this vibrating diaphragm. Compared with the prior art, the utility model provides a vibrating diaphragm can effectively reduce the assembly degree of difficulty, promotes the sound quality of speaker product.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an acoustoelectric conversion field especially relates to a vibrating diaphragm and adopt speaker of this vibrating diaphragm.
[ background of the invention ]
With the rapid development of mobile communication technology in recent years, consumers increasingly use mobile communication devices with voice functions, such as portable phones, handheld game consoles, portable computers, laptop computers, multimedia players and other devices capable of communicating over public or private communication networks. The loudspeaker is used as a voice playing device, and the performance of the mobile communication equipment is directly influenced by the design of the loudspeaker.
At present, the loudspeaker adopting the double vibrating diaphragms comprises a frame, a vibrating system and a magnetic circuit system, wherein the vibrating system and the magnetic circuit system are contained in the frame, the vibrating system comprises a voice coil, and a first vibrating diaphragm and a second vibrating diaphragm at two ends of the voice coil and an elastic supporting piece clamped between the second vibrating diaphragm and the voice coil are respectively fixed on the voice coil. The second vibrating diaphragm adopts porous damping piece usually, the second vibrating diaphragm include roll over ring portion and certainly roll over the fixed part that ring portion extended the formation, roll over ring portion with all be formed with the through-hole on the fixed part, the fixed part usually with elastic support piece reaches the basin frame veneer is fixed. Because speaker performance demand needs it is great to roll over through-hole aperture in the ring portion, leads to the same aperture of through-hole on the fixed part is great, even make also can't be with through modes such as high temperature mould pressing the through-hole aperture of fixed part reduces, thereby is beating to glue fixedly the second vibrating diaphragm with elastic support piece during the basin frame, because the through-hole aperture on the fixed part is great causes the excessive glue serious even can't pass through the glue veneer, influences the outward appearance and the performance of product.
Therefore, there is a need to provide an improved diaphragm and a speaker using the diaphragm to solve the above problems.
[ Utility model ] content
To the speaker among the correlation technique because the influence of vibrating diaphragm structure, overflow when leading to the fixed vibrating diaphragm of veneer glue and glue seriously can't even through the glue veneer to influence the technical problem of the performance of speaker, the utility model provides a can effectively avoid overflowing when the assembly and glue, reduce the assembly degree of difficulty, thereby promote the vibrating diaphragm of speaker performance.
The utility model provides a vibrating diaphragm include the vibrating diaphragm body and with vibrating diaphragm body fixed connection's veneer portion, the vibrating diaphragm body including roll over ring portion, certainly roll over ring portion extend the fixed part that forms, form in roll over ring portion with through-hole on the fixed part, veneer portion with fixed part fixed connection just covers on the fixed part the through-hole.
Preferably, the fixing portion includes a first fixing portion extending from one side of the edge portion and a second fixing portion extending from the other side of the edge portion, the through holes are formed on both the first fixing portion and the second fixing portion, and the gluing portion includes a first gluing portion fixedly connected to the first fixing portion and a second gluing portion fixedly connected to the second fixing portion.
Preferably, the first fixing portion includes a first upper surface and a first lower surface disposed opposite to the first upper surface, the through hole formed in the first fixing portion penetrates through the first fixing portion from the first upper surface to the first lower surface, the first gluing portion includes a first portion fixedly connected to the first upper surface, a second portion fixedly connected to the first lower surface, and a third portion connecting the first portion and the second portion, the first portion covers the first upper surface, the second portion covers the first lower surface, and the third portion is filled in the through hole of the first fixing portion.
Preferably, the second fixing portion includes a second upper surface and a second lower surface opposite to the second upper surface, the through hole formed in the second fixing portion penetrates through the second fixing portion from the second upper surface to the second lower surface, the second gluing portion includes a fourth portion fixedly connected to the second upper surface, a fifth portion fixedly connected to the second lower surface, and a sixth portion connecting the fourth portion and the fifth portion, the fourth portion covers the second upper surface, the fifth portion covers the second lower surface, and the sixth portion is filled in the through hole of the second fixing portion.
Preferably, the gluing part and the fixing part are fixed into a whole through high-temperature fusion or glue gluing.
Preferably, the gluing part is made of silicon rubber, thermoplastic polyurethane elastomer rubber or thermoplastic elastomer material.
A loudspeaker comprises a frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are accommodated in the frame, and the vibration system comprises a vibrating diaphragm as described in any one of the above.
Compared with the prior art, the utility model discloses a vibrating diaphragm is through setting up veneer portion with fixed part fixed connection, and let veneer portion covers the fixed part the through-hole sets up, makes the vibrating diaphragm passes through when the assembly veneer portion is fixed with other part veneer, and the veneer face is level and smooth more, is difficult to the excessive phenomenon of gluing of appearing, has improved the uniformity of product appearance and assembly veneer state, has reduced the assembly degree of difficulty.
Correspondingly, the utility model provides a loudspeaker is through adopting the vibrating diaphragm can avoid the problem of excessive gluey effectively, thereby has promoted the performance of loudspeaker.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic perspective view of a speaker according to the present invention;
fig. 2 is an exploded view of the speaker of fig. 1;
FIG. 3 is a cross-sectional view taken along line III-III of FIG. 1;
fig. 4 is a schematic perspective view of the second diaphragm shown in fig. 2;
fig. 5 is a cross-sectional view of V-V shown in fig. 4.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1 to fig. 3. The utility model provides a loudspeaker 100, it includes basin frame 10, accept in magnetic circuit 30 and vibration system 50 in the basin frame 10, magnetic circuit 30 is used for the drive vibration system 50 vibration sound production.
The magnetic circuit system 30 comprises a magnetic yoke 31 fixedly connected with the basin stand 10, a main magnetic steel 32 and an auxiliary magnetic steel 33 assembled on the magnetic yoke 31, a main pole core 34 stacked on the main magnetic steel 32, and an auxiliary pole core 35 stacked on the auxiliary magnetic steel 33, wherein the auxiliary magnetic steel 33 and the main magnetic steel 32 are arranged at intervals to form a magnetic gap.
The vibration system 50 includes a voice coil 51, a first diaphragm 52 connected to a side of the voice coil 51 away from the yoke 31, an elastic support 53 connected to a side of the voice coil 51 close to the yoke 31, and a second diaphragm 54 connected to a side of the elastic support 53 close to the yoke 31.
The voice coil 51 is at least partially inserted into the magnetic gap for driving the first diaphragm 52 to vibrate and generate sound. The voice coil 51 includes two long axis sides 511 disposed opposite to each other and two short axis sides 513 connecting the two long axis sides 511, and at least a portion of the long axis sides 511 is inserted into the magnetic gap.
The first diaphragm 52 includes a ball top 521 fixedly connected to the voice coil 51, a first ring-folding portion 523 formed by extending the ball top 521 outward, and a connecting portion 525 formed by extending the first ring-folding portion 523 outward, and the connecting portion 525 is fixed to the frame 10.
Two elastic supporting members 53 are provided, and the two elastic supporting members 53 are respectively arranged corresponding to the two short shaft sides 513. The supporting effect of the elastic supporting member 53 on the voice coil 51 is more stable, the lateral swing of the voice coil 51 is effectively prevented, and the reliability of the vibration system 50 is improved. The elastic supporting member 53 includes a first mounting portion 531 fixedly connected to the voice coil 51, a second mounting portion 533 fixedly connected to the frame 10, and an elastic arm 535 connected to the first mounting portion 531 and the second mounting portion 533. Preferably, the elastic support 53 is a flexible circuit board, and provides support for the voice coil 51 while introducing an external electrical signal to the voice coil 51.
Two second diaphragms 54 are provided, and the two second diaphragms 54 are respectively provided corresponding to the two elastic supporting members 53. The second diaphragm 54 includes a diaphragm body 55 and a gluing portion 56 fixed on the diaphragm body 55.
Please refer to fig. 4 and fig. 5 in combination. The diaphragm body 55 includes a second flange portion 551, a fixing portion 553 formed by extending from the second flange portion 551, and a through hole 555 formed on the second flange portion 551 and the fixing portion 553, where the through hole 555 may be formed by physical processing such as laser drilling, or the diaphragm body 55 is made of a porous material such as PPA plastic (high temperature resistant nylon) or PEK (polyether ketone) plastic. The adhesive part 56 is fixedly connected to the fixing part 553, and the adhesive part 56 covers the through hole 555 of the fixing part 553.
The fixing portion 553 includes a first fixing portion 5531 extended from one side of the second link portion 551 and a second fixing portion 5532 extended from the other side of the second link portion 551. Specifically, the first fixing portion 5531 is formed by extending from a side of the second flange portion 551 close to the main magnet 32 and is disposed corresponding to the first mounting portion 531, the second fixing portion 5532 is formed by extending from a side of the second flange portion 551 far from the main magnet 32 and is disposed corresponding to the second mounting portion 533, and the through hole 555 is formed in each of the first fixing portion 5531 and the second fixing portion 5532.
The first fixing portion 5531 includes a first upper surface 5533 and a first lower surface 5534 opposite to the first upper surface 5533, and the through hole 555 formed in the first fixing portion 5531 is disposed to penetrate the first fixing portion 5531 from the first upper surface 5533 toward the first lower surface 5534. In this embodiment, the first upper surface 5533 is located on a side close to the first diaphragm 52, and the first lower surface 5534 is located on a side close to the yoke 31.
The second fixing portion 5532 includes a second upper surface 5535 and a second lower surface 5536 opposite to the second upper surface 5535, and the through hole 555 formed in the second fixing portion 5532 is disposed through the second fixing portion 5532 from the second upper surface 5535 toward the second lower surface 5536. In this embodiment, the second upper surface 5535 is located on a side close to the first diaphragm 52, and the second lower surface 5536 is located on a side close to the yoke 31.
The gluing part 56 is made of high polymer materials such as silicon rubber, thermoplastic polyurethane elastomer rubber or thermoplastic elastomer materials. The adhesive part 56 includes a first adhesive part 561 fixedly connected to the first fixing part 5531 and a second adhesive part 563 fixedly connected to the second fixing part 5532.
The first adhesive part 561 includes a first portion 5611 fixedly connected to the first upper surface 5533, a second portion 5613 fixedly connected to the first lower surface 5535, and a third portion 5615 connecting the first portion 5611 and the second portion 5613, the first portion 5611 covers the first upper surface 5533, the second portion 5613 covers the first lower surface 5534, and the third portion 5615 is filled in the through hole 555 of the first fixing part 5531.
The second adhesive portion 563 includes a fourth portion 5631 fixedly connected to the second upper surface 5535, a fifth portion 5633 fixedly connected to the second lower surface 5536, and a sixth portion 5635 connecting the fourth portion 5631 and the fifth portion 5633, the fourth portion 5631 covers the second upper surface 5535, the fifth portion 5633 covers the second lower surface 5536, and the sixth portion 5635 is filled in the through hole 555 of the second fixing portion 5532.
The adhesive part 56 and the fixing part 553 are integrally fixed by high temperature fusion or glue. The surface of the first portion 5611 away from the first fixing portion 5531 is glued to the first mounting portion 531, and the surface of the fourth portion 5631 away from the second fixing portion 5532 is glued to the second mounting portion 533. In this embodiment, a side surface of the second portion 5613 away from the first fixing portion 5531 is suspended in a space defined by the frame 10 and the yoke 31, and a side surface of the fifth portion 5633 away from the second fixing portion 5532 is suspended in a space defined by the frame 10 and the yoke 31. Of course, in other embodiments, a side surface of the second portion 5613 away from the first fixing portion 5531 may be fixed to any other component by gluing, and a side surface of the fifth portion 5633 away from the second fixing portion 5532 may be fixed to any other component by gluing, according to actual needs. That is, the adhesive part 56 is only required to be disposed on the fixing part 553, and the second diaphragm 54 is fixed to other parts by the adhesive part 56.
It is understood that the through-hole 555 can be well filled by disposing the adhesive part 56 to cover the fixing part 553. When the second diaphragm 54 is glued with the elastic support member 53 and the basin stand 10, the gluing surface is smoother, and glue overflow is not easy to occur, so that the appearance and the performance of the product are improved.
Compared with the prior art, the utility model discloses a vibrating diaphragm is through setting up veneer portion with fixed part fixed connection, and let veneer portion covers the fixed part the through-hole sets up, makes the vibrating diaphragm passes through when the assembly veneer portion is fixed with other part veneer, and the veneer face is level and smooth more, is difficult to the excessive phenomenon of gluing of appearing, has improved the uniformity of product appearance and assembly veneer state, has reduced the assembly degree of difficulty.
Correspondingly, the utility model provides a loudspeaker is through adopting the vibrating diaphragm can avoid the problem of excessive gluey effectively, thereby has promoted the performance of loudspeaker.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (7)
1. The utility model provides a vibrating diaphragm, includes the vibrating diaphragm body, the vibrating diaphragm body including roll over ring portion, certainly roll over ring portion and extend the fixed part that forms and be formed in roll over ring portion with through-hole on the fixed part, its characterized in that, the vibrating diaphragm still include with fixed part fixed connection's veneer portion, veneer portion covers on the fixed part the through-hole.
2. The diaphragm of claim 1, wherein the fixing portion includes a first fixing portion extending from one side of the edge portion and a second fixing portion extending from the other side of the edge portion, the through holes are formed in both the first fixing portion and the second fixing portion, and the bonding portion includes a first bonding portion fixedly connected to the first fixing portion and a second bonding portion fixedly connected to the second fixing portion.
3. The diaphragm of claim 2, wherein the first fixing portion includes a first upper surface and a first lower surface opposite to the first upper surface, the through hole formed in the first fixing portion is disposed through the first fixing portion from the first upper surface to the first lower surface, the first adhesive portion includes a first portion fixedly connected to the first upper surface, a second portion fixedly connected to the first lower surface, and a third portion connecting the first portion and the second portion, the first portion covers the first upper surface, the second portion covers the first lower surface, and the third portion is filled in the through hole of the first fixing portion.
4. The diaphragm of claim 2, wherein the second fixing portion includes a second upper surface and a second lower surface opposite to the second upper surface, the through hole formed in the second fixing portion is disposed through the second fixing portion from the second upper surface to the second lower surface, the second adhesive portion includes a fourth portion fixedly connected to the second upper surface, a fifth portion fixedly connected to the second lower surface, and a sixth portion connecting the fourth portion and the fifth portion, the fourth portion covers the second upper surface, the fifth portion covers the second lower surface, and the sixth portion is filled in the through hole of the second fixing portion.
5. The diaphragm of claim 1, wherein the bonding portion and the fixing portion are integrally bonded by high temperature fusion or glue.
6. The diaphragm of claim 1, wherein the bonding portion is made of silicon rubber, thermoplastic polyurethane elastomer rubber, or thermoplastic elastomer material.
7. A loudspeaker comprising a frame, a vibration system and a magnetic circuit system accommodated in the frame, wherein the vibration system comprises a diaphragm according to any one of claims 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/093261 WO2020258154A1 (en) | 2019-06-27 | 2019-06-27 | Diaphragm and speaker using diaphragm |
| CNPCT/CN2019/093261 | 2019-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210093494U true CN210093494U (en) | 2020-02-18 |
Family
ID=69484600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921031170.0U Expired - Fee Related CN210093494U (en) | 2019-06-27 | 2019-07-02 | Vibrating diaphragm and loudspeaker adopting same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210093494U (en) |
| WO (1) | WO2020258154A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261549A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Vibrating diaphragm and sound production device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200401580A (en) * | 2002-04-25 | 2004-01-16 | Koninkl Philips Electronics Nv | Loudspeaker with a first and a second diaphragm body |
| CN204442650U (en) * | 2015-03-11 | 2015-07-01 | 歌尔声学股份有限公司 | A kind of vibrating diaphragm and a kind of speaker unit |
| CN204559874U (en) * | 2015-05-05 | 2015-08-12 | 歌尔声学股份有限公司 | A kind of loudspeaker vibration assembly and a kind of loadspeaker structure |
| CN208353573U (en) * | 2018-06-01 | 2019-01-08 | 瑞声科技(新加坡)有限公司 | A kind of vibrating diaphragm and the loudspeaker with the vibrating diaphragm |
| CN208638645U (en) * | 2018-08-04 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm and loudspeaker |
-
2019
- 2019-06-27 WO PCT/CN2019/093261 patent/WO2020258154A1/en active Application Filing
- 2019-07-02 CN CN201921031170.0U patent/CN210093494U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261549A (en) * | 2020-09-29 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Vibrating diaphragm and sound production device |
| CN112261549B (en) * | 2020-09-29 | 2022-03-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Vibrating diaphragm and sound production device |
| WO2022068011A1 (en) * | 2020-09-29 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020258154A1 (en) | 2020-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206894886U (en) | Minitype acoustic generator | |
| US9813821B1 (en) | Miniature sound generator | |
| CN207869371U (en) | Loud speaker | |
| CN106817658A (en) | Vibrating diaphragm and microphone device | |
| CN207625792U (en) | Loud speaker | |
| US11057712B2 (en) | Speaker | |
| CN208691548U (en) | Microspeaker | |
| US10750286B2 (en) | Speaker | |
| CN109040906A (en) | Microphone device | |
| US10979823B2 (en) | Sound generator | |
| CN210093494U (en) | Vibrating diaphragm and loudspeaker adopting same | |
| WO2022143235A1 (en) | Loudspeaker and terminal device | |
| CN210781211U (en) | Loudspeaker | |
| WO2020098429A1 (en) | Electro-acoustic generator | |
| CN110392329A (en) | Microphone device | |
| CN109246557A (en) | A kind of loudspeaker | |
| CN209390365U (en) | Loudspeaker | |
| CN207968902U (en) | Microphone device | |
| CN203708467U (en) | Loudspeaker device | |
| CN206524944U (en) | Loudspeaker and the loudspeaker enclosure using the loudspeaker | |
| CN206602642U (en) | Loudspeaker and the loudspeaker enclosure using the loudspeaker | |
| KR20110103597A (en) | High efficiency micro speaker of conductive glue | |
| CN211128167U (en) | Miniature loudspeaker | |
| CN204046817U (en) | Microphone | |
| CN204442656U (en) | A kind of vibrating diaphragm with concave-convex type reinforcement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 |