CN209390307U - Sound film and the loudspeaker for using the sound film - Google Patents
Sound film and the loudspeaker for using the sound film Download PDFInfo
- Publication number
- CN209390307U CN209390307U CN201822278766.2U CN201822278766U CN209390307U CN 209390307 U CN209390307 U CN 209390307U CN 201822278766 U CN201822278766 U CN 201822278766U CN 209390307 U CN209390307 U CN 209390307U
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- CN
- China
- Prior art keywords
- top dome
- sound film
- recessed portion
- sound
- body part
- 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
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of sound film and the loudspeaker using the sound film, the loudspeaker includes frame, it is fixed on the vibrational system and magnetic circuit system of the frame, the vibrational system includes sound film, the sound film includes sound membrane body and the top dome that is fixed on the sound membrane body, the sound membrane body includes top dome portion, ring portion around top dome portion setting and the fixed part from the extension of ring portion outer peripheral edge, the top dome is fixedly connected with the top dome portion, the top dome portion includes body part and is recessed the recessed portion to be formed from the body part, the recessed portion includes each inner wall for constituting the recessed portion, the top dome is contained in the recessed portion and abuts with the inner wall.Compared with the relevant technologies, the service performance of loudspeaker provided by the utility model is more preferably.
Description
[technical field]
The utility model relates to acoustic-electric conversion art more particularly to a kind of sound film and using the loudspeaker of the sound film.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it
In.
The loudspeaker of the relevant technologies includes frame, the magnetic circuit system being contained in the frame and vibrational system, magnetic circuit system
For system for driving vibrational system vibration sounding, vibrational system includes the sound film for vibration sounding and the ball that is fixed on sound film
Top, sound film include top dome portion, the ring portion around the setting of top dome portion and the fixed part from the extension of ring portion outer peripheral edge, and top dome passes through
Glue gluing is fixedly connected with top dome portion.
However, the cemented surface in the top dome of loudspeaker in the related technology and top dome portion is in the same plane, and to top dome side
Edge has no constraint, therefore in gluing, and top dome edge, which is easy to tilt, causes noise, to influence the service performance of loudspeaker.
Therefore, it is necessary to provide a kind of improved sound film and solved the above problems using the loudspeaker of the sound film.
[utility model content]
It is easy to tilt for top dome edge in loudspeaker in the related technology and causes noise, to influence making for loudspeaker
The technical issues of with performance, the utility model provide it is a kind of can effectively prevent top dome edge tilting sound film and use the sound film
Loudspeaker.
A kind of sound film, including sound membrane body and the top dome being fixed on the sound membrane body, the sound membrane body includes ball
Top, the ring portion around top dome portion setting and the fixed part from the extension of ring portion outer peripheral edge, the top dome and institute
It states top dome portion to be fixedly connected, the top dome portion includes body part and is recessed the recessed portion to be formed from the body part, the recess
Portion includes each inner wall for constituting the recessed portion, and the top dome is contained in the recessed portion and abuts with the inner wall.
Preferably, the depressed area is in the intermediate region of the body part.
Preferably, the recessed portion shape is consistent with the top dome shape.
Preferably, each inner wall of the recessed portion includes the side wall of bottom wall and the connection bottom wall and the body part,
The bottom wall and the side wall surround the recessed portion jointly.
Preferably, the body part includes the first upper surface and the first lower surface being oppositely arranged, along the bottom wall toward institute
Top dome direction is stated, the height of first lower surface is higher than the height of the bottom wall.
Preferably, the top dome includes the second lower surface abutted with the bottom wall, opposite with second lower surface sets
The side surface of the second upper surface for setting and connection second lower surface and second upper surface, along the bottom wall toward the ball
Direction is pushed up, the height of first upper surface is higher than the height of second upper surface.
Preferably, the side surface is abutted with the side wall.
Preferably, the ring portion is arranged around the body part and connect with the body part.
A kind of loudspeaker including frame, is fixed on the vibrational system and magnetic circuit system of the frame, the vibrational system packet
Include sound film described in any of the above embodiments.
Compared with the relevant technologies, the sound film of the utility model is allowed by the way that the recessed portion is arranged in the top dome portion
The top dome is contained in the recessed portion and abuts with the inner wall, is wrapped up by the recessed portion the top dome, is made
Good constraint can be carried out to the top dome edge by obtaining the recessed portion, so that the top dome edge be avoided to tilt；It is corresponding,
The loudspeaker of the utility model is miscellaneous so as to effectively avoid the top dome edge tilting from causing by using the sound film
Sound, and then improve the service performance of the loudspeaker.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model loudspeaker；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker shown in Fig. 1；
Fig. 3 is the cross-sectional view along line A-A shown in Fig. 1；
Fig. 4 is the decomposition texture schematic diagram of sound film shown in Fig. 2；
Fig. 5 is the partial enlarged view along B area shown in Fig. 3.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3.The utility model provides a kind of loudspeaker 100 comprising frame 10 and the frame
10 assemble front cover 20, the vibrational system 30 being contained in the accommodating space and the magnetic circuit system 40 to form accommodating space.It is described
Magnetic circuit system 40 is for driving 30 vibration sounding of vibrational system.
The whole frame 10 is in hollow rectangle, and the lid of front cover 20 is connected in the frame 10.
The vibrational system 30 is including sound film 31 and 31 vibration sounding of sound film is driven below the sound film 31
Voice coil 32.
Fig. 4 is please referred to Fig. 5.The sound film 31 includes sound membrane body 33 and is fixed on the sound membrane body 33
Top dome 34.
The sound membrane body 33 includes being located in the middle top dome portion 331, around the ring portion of the top dome portion 331 setting
332 and from the fixed part 333 that 332 outer peripheral edge of ring portion extends, the top dome 34 is fixedly connected with the top dome portion 331.
The top dome portion 331 can be separate structure with the ring portion 332, can also be structure as a whole.In the present embodiment
In, the top dome portion 331 is structure as a whole with the ring portion 332.
The top dome portion 331 can be made of multiple material, and in the present embodiment, the top dome portion 331 uses high score
Sub- material is suppressed, such as PEN compression moulding, can effectively reduce the weight of the sound film 31.
The top dome portion 331 includes body part 3311 and the recessed portion 3313 from the body part 3311 recess formation.
Specifically, the recessed portion 3313 is past far from the front cover close to 20 direction of front cover from the body part 3311
20 directions are recessed to be formed.The recessed portion 3313 is located at the intermediate region of the body part 3311, and the recessed portion 3313
Shape is consistent with the shape of the top dome 34, so that the fully wrapped around top dome 34 of the recessed portion 3313.
The recessed portion 3313 includes each inner wall for constituting the recessed portion 3313.Specifically, the recessed portion 3313
Side wall 3315 including bottom wall 3314 and the connection bottom wall 3314 and the body part 3311, the bottom wall 3314 and the side
Wall 3315 surrounds the recessed portion 3313 jointly.
Specifically, the body part 3311 includes close to the first upper surface 3316 of 20 side of front cover and with described the
The first lower surface 3317 that one upper surface 3316 is oppositely arranged, along the bottom wall 3314 toward 34 direction of top dome, described first
The height of lower surface 3317 is higher than the height of the bottom wall 3314.I.e. in the present embodiment, the recessed portion 3313 is described in
Body part 3311 is bent to form to far from 34 direction of top dome.Certainly, in other embodiments, along the bottom wall 3314 toward institute
State 34 direction of top dome, the height of the bottom wall 3314 can be higher than first lower surface 3317 height in addition the bottom wall
3314 can be in the same plane with first lower surface 3317.Only need the recessed portion 3313 can be to 34 side of top dome
Edge is wrapped up, and prevents 34 edge of top dome from occurring tilting.
The ring portion 332 is arranged around the body part 3311 and connect with the body part 3311.
The fixed part 333 is fixed between the frame 10 and the front cover 20.
The top dome 34 includes close to the second lower surface 341 of 3314 side of bottom wall and second lower surface 341
The side surface 343 of the second upper surface 342 and connection second lower surface 341 and second upper surface 342 that are oppositely arranged.
Along the bottom wall 3314 toward 34 direction of top dome, the height of first upper surface 3316 is higher than second upper surface 342
Height, i.e., the described top dome 34 is contained in completely in the recessed portion 3313.Second lower surface 341 and the bottom wall 3314
It is connected by glue gluing, the side surface 343 is abutted with the side wall 3315, passes through the side wall 3315 and the side surface
343 abuttings can be effectively prevented 34 edge of top dome and tilt.
It is understood that the top dome 34 is wrapped up by the way that the recessed portion 3313 is arranged, so that 34 edge of the top dome
It is not easy to tilt, so as to promote the service performance of the loudspeaker 100.
Please continue to refer to Fig. 2.The magnetic circuit system 40 includes solid with one end far from the sound film 31 of the frame 10
Surely the magnetic yoke 41 that connects, group assigned in the main magnet steel 42 in the magnetic yoke 41 and secondary magnet steel 43, are attached on the main magnet steel 42
Main pole core 44 and the consequent pole core 45 for being attached at the secondary magnet steel 43.There are two the pair magnet steel 43 is set and between the main magnet steel 42
The first magnetic gap is formed every setting, the magnetic yoke 41 includes bottom plate 411 and the side plate being bent to form from 411 edge of bottom plate
412, the side plate 412 forms the second magnetic gap with the main interval of magnet steel 42 setting, and the voice coil 32 is at least partially disposed at institute
It states in the first magnetic gap and the second magnetic gap.
Compared with the relevant technologies, the sound film of the utility model is allowed by the way that the recessed portion is arranged in the top dome portion
The top dome is contained in the recessed portion and abuts with the inner wall, is wrapped up by the recessed portion the top dome, is made
Good constraint can be carried out to the top dome edge by obtaining the recessed portion, so that the top dome edge be avoided to tilt；It is corresponding,
The loudspeaker of the utility model is miscellaneous so as to effectively avoid the top dome edge tilting from causing by using the sound film
Sound, and then improve the service performance of the loudspeaker.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical
Novel protection scope.
Claims (9)
1. a kind of sound film, including sound membrane body and the top dome being fixed on the sound membrane body, the sound membrane body includes top dome
Portion, around the top dome portion setting ring portion and from ring portion outer peripheral edge extend fixed part, the top dome with it is described
Top dome portion is fixedly connected, which is characterized in that and the top dome portion includes body part and is recessed the recessed portion to be formed from the body part,
The recessed portion includes each inner wall for constituting the recessed portion, the top dome be contained in the recessed portion and with the inner wall
It abuts.
2. sound film according to claim 1, which is characterized in that the depressed area is in the intermediate region of the body part.
3. sound film according to claim 1, which is characterized in that the recessed portion shape is consistent with the top dome shape.
4. sound film according to claim 1, which is characterized in that each inner wall of the recessed portion includes bottom wall and connection institute
The side wall of bottom wall Yu the body part is stated, the bottom wall and the side wall surround the recessed portion jointly.
5. sound film according to claim 4, which is characterized in that the body part include the first upper surface for being oppositely arranged and
First lower surface, along the bottom wall toward the top dome direction, the height of first lower surface is higher than the height of the bottom wall.
6. sound film according to claim 5, which is characterized in that the top dome includes the second following table abutted with the bottom wall
Face, the second upper surface being oppositely arranged with second lower surface and it connect second lower surface and second upper surface
Side surface, along the bottom wall toward the top dome direction, the height of first upper surface is higher than the height of second upper surface.
7. sound film according to claim 6, which is characterized in that the side surface is abutted with the side wall.
8. sound film according to claim 1, which is characterized in that the ring portion around the body part be arranged and with it is described
Body part connection.
9. a kind of loudspeaker, including frame, it is fixed on the vibrational system and magnetic circuit system of the frame, which is characterized in that described
Vibrational system includes such as sound film described in any item of the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278766.2U CN209390307U (en) | 2018-12-30 | 2018-12-30 | Sound film and the loudspeaker for using the sound film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278766.2U CN209390307U (en) | 2018-12-30 | 2018-12-30 | Sound film and the loudspeaker for using the sound film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209390307U true CN209390307U (en) | 2019-09-13 |
Family
ID=67863405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822278766.2U Expired - Fee Related CN209390307U (en) | 2018-12-30 | 2018-12-30 | Sound film and the loudspeaker for using the sound film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209390307U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111629288A (en) * | 2020-05-07 | 2020-09-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN112533109A (en) * | 2020-12-18 | 2021-03-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| WO2021114152A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker vibrating member |
| WO2022000778A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2018
- 2018-12-30 CN CN201822278766.2U patent/CN209390307U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114152A1 (en) * | 2019-12-11 | 2021-06-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker vibrating member |
| CN111629288A (en) * | 2020-05-07 | 2020-09-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| WO2022000778A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN112533109A (en) * | 2020-12-18 | 2021-03-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
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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: 20190913 Termination date: 20201230 |