CN109218936A - Electro-acoustic element - Google Patents
Electro-acoustic element Download PDFInfo
- Publication number
- CN109218936A CN109218936A CN201810900030.6A CN201810900030A CN109218936A CN 109218936 A CN109218936 A CN 109218936A CN 201810900030 A CN201810900030 A CN 201810900030A CN 109218936 A CN109218936 A CN 109218936A
- Authority
- CN
- China
- Prior art keywords
- electro
- ring
- acoustic element
- frame
- element according
- 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.)
- Pending
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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
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- 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
- 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
Electro-acoustic element of the invention includes the frame with accommodation space, the magnetic circuit system being contained in the frame and vibrational system, the vibrational system includes vibrating diaphragm and the voice coil for driving the diaphragm oscillations, the frame includes upper surface and lower surface corresponding with the upper surface, the vibrating diaphragm includes ring and the sealing ring being fixed in the upper surface of the basin that extends from the outside of the ring, and the ring and sealing ring are silica gel integrated injection molding.The a part and vibrating diaphragm integrated injection molding of sealing ring of the invention as vibrating diaphragm, can also press to form sealing waterproof with casing while sealing ring is as vibrating diaphragm fixed part.
Description
Technical field
The present invention relates to electroacoustic conversion art more particularly to a kind of electro-acoustic elements.
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 and its multiplicity of mobile phone, one of them is just
It is the music function of high-quality, and the loudspeaker in mobile phone is one of the necessary condition for realizing this high-quality music function.
The magnetic circuit system of electro-acoustic element generally includes frame, is housed in frame vibrational system and driving vibrational system vibration
System, vibrational system include the voice coil of vibrating diaphragm and driving vibrating diaphragm.Vibrating diaphragm is attached in frame, but the electro-acoustic element of the prior art exists
Sealing waterproof is needed to form when being installed to casing, to need to increase by one layer of sealing ring between casing, the installation of sealing ring is not
Risk that is only time-consuming and laborious, also falling off and misplace.
Therefore, it is really necessary to provide the new electro-acoustic element of one kind to solve the above problems.
Summary of the invention
The present invention in order to solve the above technical problems, and a kind of electro-acoustic element is provided, including with accommodation space frame, receive
The magnetic circuit system and vibrational system being dissolved in the frame, the vibrational system include vibrating diaphragm and the sound for driving the diaphragm oscillations
Circle, the frame include upper surface and lower surface corresponding with the upper surface, and the vibrating diaphragm includes ring and described in
The sealing ring being fixed in the upper surface of the basin extended on the outside of ring, the ring and sealing ring be silica gel integrated injection molding at
Type.
Preferably, the ring includes cricoid bending part and the planar plate from bending part inside extension
Portion is fixed with top dome on the flat part.
Preferably, the top dome is overlapped on the top of the flat part, and the voice coil is connected to the bottom of the flat part.
Preferably, the vibrating diaphragm includes ring, the top dome extended from the inside of the ring and prolongs from the outside of the ring
The sealing ring being fixed in the upper surface of the basin stretched, the ring, top dome and sealing ring are silica gel integrated injection molding.
Preferably, the magnetic circuit system includes magnetic bowl and the magnet steel that is arranged in the magnetic bowl, and the electro-acoustic element also wraps
The spring leaf for supporting the magnetic circuit system is included, described spring leaf one end is connected with the magnetic bowl, and the other end is connected with the frame.
Preferably, the magnetic bowl includes that bottom wall, side wall and the support plate extended from side wall bending, the spring leaf are set
It sets the lower surface in the frame and supports the fixed support plate.
Preferably, the spring leaf includes the main part of the lower surface of the frame being arranged in and from the main part to institute
The prominent support portion extended in accommodation space direction is stated, the support plate of the magnetic bowl is overlapped on the support portion.
Preferably, the electro-acoustic element further includes the lower cover mutually assembled with the frame, and the spring leaf is arranged described
Between frame and the lower cover.
Preferably, limiting slot corresponding with the support portion, the support portion insertion are provided on the side wall of the magnetic bowl
In the limiting slot.
Preferably, the bottom wall of the magnetic bowl is racetrack structure, and the magnet steel of racetrack, the magnetic are provided in the magnetic bowl
The magnetic gap for accommodating the voice coil is formed between steel and the side wall of the magnetic bowl, the magnet steel surface is pasted with pole piece.
Electro-acoustic element of the invention includes the frame with accommodation space, the magnetic circuit system being contained in the frame and vibration
Dynamic system, the vibrational system include vibrating diaphragm and the voice coil for driving the diaphragm oscillations, the frame include upper surface and with institute
The corresponding lower surface in upper surface is stated, the vibrating diaphragm includes ring and is fixed on the frame from what the ring outside extended
Sealing ring on upper surface, the ring and sealing ring are silica gel integrated injection molding.Sealing ring of the invention is as vibrating diaphragm
A part and vibrating diaphragm integrated injection molding can also press to be formed to seal with casing while sealing ring is as vibrating diaphragm fixed part and prevent
Water.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of electro-acoustic element of the present invention；
Fig. 2 is the cross-sectional view of electro-acoustic element of the present invention.
Specific embodiment
The following further describes the present invention with reference to the drawings.
As depicted in figs. 1 and 2, the present invention provides a kind of electro-acoustic elements 100, including vibrational system 1, magnetic circuit system 2, receipts
Hold fixed vibrational system 1 with the frame 3 of magnetic circuit system 2, connect magnetic circuit system 2 and frame 3 spring leaf 4 and with the dress of frame 3
With the lower cover 5 for completing encapsulation together.
Frame 3 is the frame structure with interior accommodating space, including upper surface 31, the following table opposite with upper surface 31
Face, and act the fixed column 32 fixed and supported away from 31 direction of upper surface is outstanding in following table.
Vibrational system 1 includes vibrating diaphragm 11 and the voice coil 12 for driving the vibration of vibrating diaphragm 11.Voice coil 12 is entwined by voice coil leads
's.Vibrating diaphragm 11 specifically includes top dome 112, surround the cricoid ring 111 of top dome 112 and from ring 111 far from top dome 112
The silica gel sealing ring 113 that one side surface extends.
Specifically in the present embodiment, ring 111 is including cricoid bending part 1111 and from bending part 1111 close to top dome
The planar flat part 1112 that 112 side extends to 112 direction of top dome, the overlapping edges of top dome 112 are fixed on flat part
1112 top, voice coil 12 are connected to the bottom of flat part 1112.In present embodiment, the ring 111 and sealing ring 113 are
Silica gel integrated injection molding, top dome 112 are the stiffening plates being fixed on the flat part 1112 of ring 111.Certainly, selectable
In other embodiments, top dome also be can be set in ring bottom.
In other embodiments, top dome and ring may be integral structure, at this point, the ring 111, top dome 112
It is silica gel integrated injection molding with sealing ring 113.
Magnetic circuit system 2 includes magnet steel 21, the pole piece 22 being sticked on magnet steel 21 and the magnetic for accommodating magnet steel 21 and pole piece 22
Bowl 23.Pole piece 22 is made of permeability magnetic material, for playing the role of magnetic conduction, converges magnetic field, improves the magnetic induction performance of product.Specifically
, magnetic bowl 23 includes bottom wall 231, side wall 232 and the support plate 233 extended from side wall 232 far from the bending of 231 side of bottom wall.Magnetic
The bottom wall 231 of bowl 23 is racetrack structure, and magnet steel 21 is the magnet of racetrack, and the structure of pole piece 22 is identical as magnet steel 21, magnet steel
Magnetic gap is formed between 21 and the side wall 232 of magnetic bowl 23.Voice coil 12 is inserted into the gap between magnet steel 21 and side wall 232, logical
Stress, driving vibrating diaphragm 12 vibrate along the vertical direction in magnetic gap in electric process.
The lower surface side of frame 3 is arranged in spring leaf 4, specifically, spring leaf 4 includes the main part that lower surface is arranged in
41 and main body 41 to the support portion 42 of the prominent extension in accommodation space direction, the support plate 233 of magnetic bowl 23 is overlapped on support portion
On 42, to realize the support and fixation of magnetic circuit system 2.Preferably, it is right with support portion 42 to be provided on the side wall 232 of magnetic bowl 23
The limiting slot 2321 answered, support portion 42 is inserted into limiting slot 2321, in this manner it is achieved that the abundant positioning of product, effectively avoids
Slide and influence the unfailing performance of product.Specifically in the present embodiment, there are four support portion 42 is total to, it is separately positioned on magnetic bowl 23
Surrounding.
Further, pad 301 is provided in frame 3,301 integrated injection molding of pad extends in the inside of frame 3
To the bottom end of fixed column 32, to realize electro-acoustic element and extraneous electric connection.
Electro-acoustic element of the invention includes the frame with accommodation space, the magnetic circuit system being contained in the frame and vibration
Dynamic system, the vibrational system include vibrating diaphragm and the voice coil for driving the diaphragm oscillations, the frame include upper surface and with institute
The corresponding lower surface in upper surface is stated, the vibrating diaphragm includes ring and is fixed on the frame from what the ring outside extended
Sealing ring on upper surface, the ring and sealing ring are silica gel integrated injection molding.Sealing ring of the invention is as vibrating diaphragm
A part and vibrating diaphragm integrated injection molding can also press to be formed to seal with casing while sealing ring is as vibrating diaphragm fixed part and prevent
Water.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is, example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of electro-acoustic element, including frame, the magnetic circuit system that is contained in the frame and vibration system with accommodation space
System, the vibrational system include vibrating diaphragm and the voice coil for driving the diaphragm oscillations, the frame include upper surface and with it is described on
The corresponding lower surface in surface, which is characterized in that the vibrating diaphragm includes ring and is fixed on from what the ring outside extended
Sealing ring in the upper surface of the basin, the ring and sealing ring are silica gel integrated injection molding.
2. electro-acoustic element according to claim 1, which is characterized in that the ring include cricoid bending part and from described in
The planar flat part extended on the inside of bending part is fixed with top dome on the flat part.
3. electro-acoustic element according to claim 2, which is characterized in that the top dome is overlapped on the top of the flat part,
The voice coil is connected to the bottom of the flat part.
4. electro-acoustic element according to claim 1, which is characterized in that the vibrating diaphragm includes ring, from the inside of the ring
The top dome of extension and the sealing ring being fixed in the upper surface of the basin extended from the outside of the ring, the ring, ball
Top and sealing ring are silica gel integrated injection molding.
5. electro-acoustic element according to claim 1, which is characterized in that the magnetic circuit system includes magnetic bowl and is arranged described
Magnet steel in magnetic bowl, the electro-acoustic element further include the spring leaf for supporting the magnetic circuit system, described spring leaf one end with it is described
Magnetic bowl is connected, and the other end is connected with the frame.
6. electro-acoustic element according to claim 5, which is characterized in that the magnetic bowl includes bottom wall, side wall and from the side
The support plate that wall bending extends, the spring leaf are arranged in the lower surface of the frame and support the fixed support plate.
7. electro-acoustic element according to claim 6, which is characterized in that the spring leaf includes being arranged under the frame
The main part on surface and from the main part to the support portion of the prominent extension in the accommodation space direction, the support plate of the magnetic bowl
It is overlapped on the support portion.
8. electro-acoustic element according to claim 7, which is characterized in that the electro-acoustic element further includes and the frame phase group
The lower cover matched, the spring leaf are arranged between the frame and the lower cover.
9. electro-acoustic element according to claim 7, which is characterized in that be provided on the side wall of the magnetic bowl and the support
The corresponding limiting slot in portion, the support portion are inserted into the limiting slot.
10. electro-acoustic element according to claim 5, which is characterized in that the bottom wall of the magnetic bowl is racetrack structure, described
It is provided with the magnet steel of racetrack in magnetic bowl, is formed between the magnet steel and the side wall of the magnetic bowl between the magnetic for accommodating the voice coil
Gap, the magnet steel surface are pasted with pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900030.6A CN109218936A (en) | 2018-08-09 | 2018-08-09 | Electro-acoustic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810900030.6A CN109218936A (en) | 2018-08-09 | 2018-08-09 | Electro-acoustic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109218936A true CN109218936A (en) | 2019-01-15 |
Family
ID=64989023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810900030.6A Pending CN109218936A (en) | 2018-08-09 | 2018-08-09 | Electro-acoustic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109218936A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248295A (en) * | 2019-06-27 | 2019-09-17 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| WO2021127926A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2022000782A1 (en) * | 2020-07-02 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2022006790A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Speaker unit |
| CN115866495A (en) * | 2023-01-31 | 2023-03-28 | 深圳市泰铭声学有限公司 | Waterproof loudspeaker and processing equipment thereof |
| WO2024000693A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203748004U (en) * | 2014-03-25 | 2014-07-30 | 山东共达电声股份有限公司 | Sound-generating device and vibrating diaphragm assembly of sound-generating device |
| CN204217118U (en) * | 2014-07-17 | 2015-03-18 | 瑞声光电科技(常州)有限公司 | Electro-acoustic element |
| CN204539465U (en) * | 2015-04-20 | 2015-08-05 | 歌尔声学股份有限公司 | Speaker unit |
| US20160373863A1 (en) * | 2014-03-05 | 2016-12-22 | Goertek Inc. | Loudspeaker vibration system |
| CN207531060U (en) * | 2017-06-30 | 2018-06-22 | 瑞声科技(新加坡)有限公司 | A kind of multifunction speaker |
-
2018
- 2018-08-09 CN CN201810900030.6A patent/CN109218936A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160373863A1 (en) * | 2014-03-05 | 2016-12-22 | Goertek Inc. | Loudspeaker vibration system |
| CN203748004U (en) * | 2014-03-25 | 2014-07-30 | 山东共达电声股份有限公司 | Sound-generating device and vibrating diaphragm assembly of sound-generating device |
| CN204217118U (en) * | 2014-07-17 | 2015-03-18 | 瑞声光电科技(常州)有限公司 | Electro-acoustic element |
| CN204539465U (en) * | 2015-04-20 | 2015-08-05 | 歌尔声学股份有限公司 | Speaker unit |
| CN207531060U (en) * | 2017-06-30 | 2018-06-22 | 瑞声科技(新加坡)有限公司 | A kind of multifunction speaker |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248295A (en) * | 2019-06-27 | 2019-09-17 | 歌尔股份有限公司 | Sounding device and electronic equipment |
| WO2020258798A1 (en) * | 2019-06-27 | 2020-12-30 | 歌尔股份有限公司 | Sound-generating apparatus and electronic device |
| CN110248295B (en) * | 2019-06-27 | 2021-02-19 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2021127926A1 (en) * | 2019-12-23 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2022000782A1 (en) * | 2020-07-02 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2022006790A1 (en) * | 2020-07-08 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Speaker unit |
| WO2024000693A1 (en) * | 2022-06-30 | 2024-01-04 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
| CN115866495A (en) * | 2023-01-31 | 2023-03-28 | 深圳市泰铭声学有限公司 | Waterproof loudspeaker and processing equipment thereof |
| CN115866495B (en) * | 2023-01-31 | 2024-03-29 | 东莞市泰铭声学有限公司 | Waterproof type loudspeaker's processing equipment |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |