CN110062316A - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN110062316A CN110062316A CN201910534412.6A CN201910534412A CN110062316A CN 110062316 A CN110062316 A CN 110062316A CN 201910534412 A CN201910534412 A CN 201910534412A CN 110062316 A CN110062316 A CN 110062316A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- fixed
- frame
- microphone device
- supporting walls
- 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
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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
- H04R9/02—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
Abstract
The present invention provides a kind of microphone devices, including metal frame and are individually fixed in the vibrational system of the metal frame and drive the magnetic circuit system of the vibrational system vibration sounding；The vibrational system includes the vibrating diaphragm for being fixed on the metal frame, and the magnetic circuit system includes the secondary magnet steel that the magnetic yoke for being fixed on the metal frame, the main magnet steel for being fixed on the magnetic yoke and spacer ring are set to the main magnet steel periphery；The metal frame includes frame ontology annular in shape, from the frame ontology to the supporting walls extended far from the vibrating diaphragm direction and from the frame ontology to the wall extension far from magnetic yoke direction extension, the magnetic yoke is connected and fixed on the one end of the supporting walls far from the frame ontology, and the vibrating diaphragm is fixedly supported to the wall extension.Compared with the relevant technologies, microphone device good reliability of the invention and acoustical behavior is excellent.
Description
Technical field
The present invention relates to acoustic-electric field more particularly to a kind of microphone devices for applying to portable electronic product.
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.Microphone device for playing sound is widely applied
Among the Intelligent mobile equipments such as present mobile phone, and with there is all-metal to the miniature requirement of loudspeaker and intensity requirement
Microphone device.
The microphone device of all-metal structure includes the frame of metal material and is individually fixed in the basin in the related technology
The vibrational system and magnetic circuit system of frame, the magnetic circuit system include the magnetic yoke for being fixed on the frame.
However, in the microphone device of the relevant technologies, when the metal frame and the magnetic yoke are fixed, in the magnetic yoke
Side is bent to form flange, is positioned by the flange and metal frame cooperation, but the structure makes yoke design difficulty
Greatly, cause magnetic circuit concentricity poor, to influence acoustical behavior；In addition, the structure size of the metal frame is small, in order to cooperate
It states flange and needs the few material in part, so that the strength reduction of the metal frame, to influence reliability.
Therefore, a kind of new microphone device solution above-mentioned technical problem must be provided by having in fact.
Summary of the invention
Excellent and good reliability the microphone device the purpose of the present invention is to provide a kind of acoustical behavior.
In order to achieve the above objectives, the present invention provides a kind of microphone device, including metal frame and is individually fixed in described
The vibrational system of metal frame and the magnetic circuit system for driving the vibrational system vibration sounding；The vibrational system includes being fixed on
The vibrating diaphragm of the metal frame, the magnetic circuit system include the magnetic yoke for being fixed on the metal frame, are fixed on the magnetic yoke
Main magnet steel and spacer ring are set to the secondary magnet steel of the main magnet steel periphery；The frame sheet annular in shape that the metal frame includes
Body, from the frame ontology to the supporting walls extended far from the vibrating diaphragm direction and from the frame ontology to far from the magnetic
The wall extension that bound conjugate extends, the magnetic yoke are connected and fixed on the one end of the supporting walls far from the frame ontology, the vibration
Film is fixedly supported to the wall extension.
Preferably, the magnetic yoke includes yoke body and corresponds to the position of the supporting walls by the periphery of the yoke body
Be recessed the locating slot formed, and the supporting walls receiving is fixed in the locating slot.
Preferably, the groove depth of the locating slot is equal to the thickness of the supporting walls.
Preferably, the frame body folded is located at the secondary magnet steel.
Preferably, the vibrating diaphragm includes vibration section, is extended by the vibration section and surround the ring of the vibration section setting
Portion and from the ring portion to the turn-up portion extended close to frame ontology direction, the turn-up portion be sticked be fixed on it is described
The outside of wall extension.
Preferably, the secondary magnet steel includes four and surround the main magnet steel, and the magnetic circuit system further includes being stacked at institute
The auxiliary magnet steel of secondary magnet steel is stated, the auxiliary magnet steel is connected to the inside of the wall extension.
Preferably, the main magnet steel is in rectangle, and four secondary magnet steel are divided into four sides of the main magnet steel, the auxiliary
Magnet steel includes two and is located at the main magnet steel long axis opposite sides.
Preferably, the frame ontology is in rectangle, and the supporting walls include four and are located at the frame ontology
Two long axis sides, each long axis side set two supporting walls and are spaced apart from each other setting.
Compared with the relevant technologies, microphone device of the invention increases the supporting walls in the metal frame, passes through institute
It states supporting walls and magnetic yoke positioning is assembled, because the setting of the supporting walls increases the intensity of the metal frame, effectively mention
The high reliability of microphone device；The magnetic yoke correspondence saves support wall construction simultaneously, so that the design of its structure is simple, further
So that its magnetic circuit concentricity after the magnetic circuit system assembly is excellent, the acoustical behavior of the microphone device is effectively improved.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view of microphone device of the present invention；
Fig. 2 is the part isometric structural exploded view of microphone device of the present invention；
Fig. 3 is the cut-away view of the line A-A along Fig. 1；
Fig. 4 is magnified partial view shown in B in Fig. 3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please join shown in Fig. 1-4, the present invention provides a kind of microphone device 100, including metal frame 1 and is individually fixed in institute
It states the vibrational system 2 of metal frame 1 and drives the magnetic circuit system 3 of 2 vibration sounding of vibrational system.
The metal frame 1 is that metal material is made, and smaller size can be designed under the premise of proof strength.Institute
Stating vibrational system 2 includes the vibrating diaphragm 21 for being fixed on the metal frame 1.The magnetic circuit system 3 includes being fixed on the metal basin
The magnetic yoke 31 of frame 1, the main magnet steel 32 for being fixed on the magnetic yoke 31, spacer ring be set to main 32 periphery of magnet steel secondary magnet steel 33 with
And it is stacked at the auxiliary magnet steel 34 of the secondary magnet steel 33.
Specifically, the metal frame 1 includes frame ontology 11 annular in shape, from the frame ontology 11 to far from described
The supporting walls 12 that 21 direction of vibrating diaphragm extends and the wall extension extended from the frame ontology 11 to separate 31 direction of magnetic yoke
13.The supporting walls 12, the wall extension 13 can be integrally formed setting with the frame ontology 11 or split settings are affixed
It is fixed.
In above structure, because the thickness of the frame ontology 11 is small, increase effectively increase after the supporting walls 12 it is described
The reliability of frame ontology 11, and the reliability of the metal frame 1 is further increased in the setting of the wall extension 13.
The frame ontology 11 is folded to be located at the secondary magnet steel 33, and at least folded part for being located at the secondary magnet steel 33 may act as
Clamp region improves the driving force of the magnetic circuit system 3, improves acoustical behavior for being 3 magnetic conduction of magnetic circuit system.
In present embodiment, the frame ontology 11 is in rectangle, and the supporting walls 12 include four and are located at described
Two long axis sides of frame ontology 11, each long axis side set two supporting walls 12 and are spaced apart from each other setting.
The vibrating diaphragm 21 is fixedly supported to the wall extension 13.Specifically, the vibrating diaphragm 21 includes vibration section 211, by institute
Vibration section 211 is stated to extend and around the ring portion 212 of the vibration section 211 setting and from the ring portion 212 to close to institute
State the turn-up portion 213 of 11 direction of frame ontology extension.The turn-up portion 213, which is sticked, is fixed on the outside of the wall extension 13.It should
On the one hand the setting of wall extension 13 strengthens the intensity of the metal frame 1, on the other hand equivalent to increase the vibrating diaphragm 21
Fixed debugging, ensure that the oscillation space of the vibration section 211 of the vibrating diaphragm 21 is sufficient, that improves the microphone device 100 can
By property.
The magnetic yoke 31 is connected and fixed on the one end of the supporting walls 12 far from the frame ontology 11.
Specifically, the magnetic yoke 31 includes yoke body 311 and corresponds to the support by the periphery of the yoke body 311
The position of wall 12 is recessed the locating slot 312 to be formed.The receiving of supporting walls 12 is fixed in the locating slot 312.More preferably, institute
The groove depth for stating locating slot 312 is equal to the thickness of the supporting walls 12.The structure optimization further reduces the microphone device
100 volume, more conducively its micromation.
In present embodiment, the pair magnet steel 33 includes four and surround the main magnet steel 32.The auxiliary magnet steel 34 is folded
Set on the secondary magnet steel 33, more preferably, the auxiliary magnet steel 34 is connected to the inside of the wall extension 13, i.e., the described wall extension 13
In addition to fixed vibrating diaphragm 21, outside the oscillation space for guaranteeing the vibrating diaphragm 21, also guiding can be provided for the installation of the auxiliary magnet steel 34,
It is convenient for assembly.
More preferably, the main magnet steel 32 is in rectangle, and four secondary magnet steel 33 are divided into four sides of the main magnet steel 32, institute
Auxiliary magnet steel 34 is stated to include two and be located at the 32 long axis opposite sides of main magnet steel.
And in above structure, because 31 structure of magnetic yoke is simple, assemble the main magnet steel 32, the secondary magnet steel 33 and institute
After stating auxiliary magnet steel 34, keeps the concentricity of entire magnetic circuit system 3 more preferable, be conducive to the acoustics for improving the microphone device 100
Energy.
Compared with the relevant technologies, microphone device of the invention increases the supporting walls in the metal frame, passes through institute
It states supporting walls and magnetic yoke positioning is assembled, because the setting of the supporting walls increases the intensity of the metal frame, effectively mention
The high reliability of microphone device；The magnetic yoke correspondence saves support wall construction simultaneously, so that the design of its structure is simple, further
So that its magnetic circuit concentricity after the magnetic circuit system assembly is excellent, the acoustical behavior of the microphone device is effectively improved.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (8)
1. a kind of microphone device including metal frame and is individually fixed in described in the vibrational system and driving of the metal frame
The magnetic circuit system of vibrational system vibration sounding；The vibrational system includes the vibrating diaphragm for being fixed on the metal frame, the magnetic circuit
System includes that the magnetic yoke for being fixed on the metal frame, the main magnet steel for being fixed on the magnetic yoke and spacer ring are set to the main magnetic
The secondary magnet steel of steel periphery, which is characterized in that the metal frame includes frame ontology annular in shape, from the frame ontology to remote
The supporting walls extended from the vibrating diaphragm direction and the wall extension extended from the frame ontology to the separate magnetic yoke direction, institute
It states magnetic yoke and is connected and fixed on the one end of the supporting walls far from the frame ontology, the vibrating diaphragm is fixedly supported to the extension
Wall.
2. microphone device according to claim 1, which is characterized in that the magnetic yoke includes yoke body and by the magnetic yoke
The position that the periphery of ontology corresponds to the supporting walls is recessed the locating slot to be formed, and the locating slot is fixed in the supporting walls receiving
It is interior.
3. microphone device according to claim 2, which is characterized in that the groove depth of the locating slot is equal to the supporting walls
Thickness.
4. microphone device according to claim 1, which is characterized in that the frame body folded is located at the secondary magnet steel.
5. microphone device according to claim 1, which is characterized in that the vibrating diaphragm includes vibration section, by the vibration section
Extend and surround the ring portion of the vibration section setting and from the ring portion to close to the extension of frame ontology direction
Turn-up portion, the turn-up portion, which is sticked, is fixed on the outside of the wall extension.
6. microphone device according to claim 1, which is characterized in that the pair magnet steel includes four and surround the main magnetic
Steel, the magnetic circuit system further include the auxiliary magnet steel for being stacked at the secondary magnet steel, and the auxiliary magnet steel is connected to the wall extension
Inside.
7. microphone device according to claim 6, which is characterized in that the main magnet steel is in rectangle, four secondary magnet steel
Four sides of the main magnet steel are divided into, the auxiliary magnet steel includes two and is located at the main magnet steel long axis opposite sides.
8. microphone device according to claim 1, which is characterized in that the frame ontology is in rectangle, the supporting walls packet
Include four and be located at two long axis sides of the frame ontology, each long axis side set two supporting walls and mutually
Interval setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534412.6A CN110062316B (en) | 2019-06-20 | 2019-06-20 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910534412.6A CN110062316B (en) | 2019-06-20 | 2019-06-20 | Microphone device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110062316A true CN110062316A (en) | 2019-07-26 |
| CN110062316B CN110062316B (en) | 2019-09-17 |
Family
ID=67325779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910534412.6A Active CN110062316B (en) | 2019-06-20 | 2019-06-20 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110062316B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111935567A (en) * | 2020-06-30 | 2020-11-13 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112165675A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| WO2021128333A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021174573A1 (en) * | 2020-03-05 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050012A (en) * | 2015-08-24 | 2015-11-11 | 张扬 | Loudspeaker and assembling method thereof |
| CN108322870A (en) * | 2018-02-02 | 2018-07-24 | 瑞声科技(新加坡)有限公司 | Microphone device |
| US10187730B1 (en) * | 2018-08-10 | 2019-01-22 | AAC Technologies Pte. Ltd. | Sound generating device |
| CN109831727A (en) * | 2018-12-29 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2019
- 2019-06-20 CN CN201910534412.6A patent/CN110062316B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050012A (en) * | 2015-08-24 | 2015-11-11 | 张扬 | Loudspeaker and assembling method thereof |
| CN108322870A (en) * | 2018-02-02 | 2018-07-24 | 瑞声科技(新加坡)有限公司 | Microphone device |
| US10187730B1 (en) * | 2018-08-10 | 2019-01-22 | AAC Technologies Pte. Ltd. | Sound generating device |
| CN109831727A (en) * | 2018-12-29 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Microphone device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128333A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021174573A1 (en) * | 2020-03-05 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN111935567A (en) * | 2020-06-30 | 2020-11-13 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112165675A (en) * | 2020-10-22 | 2021-01-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| CN112165675B (en) * | 2020-10-22 | 2021-09-24 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110062316B (en) | 2019-09-17 |
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