CN109195078A - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN109195078A CN109195078A CN201810903710.3A CN201810903710A CN109195078A CN 109195078 A CN109195078 A CN 109195078A CN 201810903710 A CN201810903710 A CN 201810903710A CN 109195078 A CN109195078 A CN 109195078A
- Authority
- CN
- China
- Prior art keywords
- convex block
- microphone device
- face
- side plate
- medial surface
- 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
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
- H04R9/025—Magnetic circuit
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention provides a kind of microphone device, it includes vibrational system, magnetic circuit system and the frame with accommodating space, magnetic circuit system includes the magnetic bowl for being mounted on frame, magnetic bowl includes bottom plate and the side plate from bottom plate bending extension, microphone device further include from medial surface towards accommodating space in the support plate that extends, support plate includes extending from medial surface and the upper extended surface that is oppositely arranged with lower extended surface and connect the end face of extended surface Yu lower extended surface, and end face is opposite with medial surface；Magnetic bowl further includes from side plate side surface direction extends inwardly the first convex block and the second convex block, first convex block face end face, side surface direction is recessed to be formed fluted inwardly for end face, and the first convex block is corresponding to be housed in groove, and the second convex block abuts upper at least one of extended surface and lower extended surface.Microphone device of the invention has saved resource, and structure is simple, realizes the positioning of more direction, also improves structural strength, which thereby enhances the structural stability and acoustical behavior of microphone device.
Description
[technical field]
The present invention relates to electroacoustic transduction field, a kind of particularly sounding for the fixed structure for improving magnetic bowl and frame
Device.
[background technique]
Microphone device is widely used in the portability electronic equipment such as mobile phone, laptop.With these portability electronics
The fast development of equipment, people are more and more stronger to its Functional Requirement, the microphone device being applied thereon also it is corresponding rapidly
Development.In addition, with the needs of the lightening development of mobile phone, to the quality requirement of wherein used mini-sound device
It is higher and higher.And playing device of the microphone device as phonetic function, internal magnetic circuit system are directly related to product acoustics
The promotion of performance.
In the mini-sound device of the relevant technologies, which includes frame and the magnetic bowl that is placed in the frame,
In, magnetic bowl includes bottom plate and the side plate by bottom plate bending extension, and frame is additionally provided with outstanding from frame side wall to magnetic bowl direction
Fixture block, the side plate of magnetic bowl are equipped with the card hole through thereon, and fixture block is fastened in card hole.Above structure magnetic bowl and the unilateral progress of frame
The positioning of both direction, or the positioning method of conventional single magnetic circuit magnetic bowl.Existing structure at most carries out the positioning of both direction, deposits
Structure it is relative complex, be fitted to each other intensity it is not high and the problems such as influence the acoustical behavior of microphone device.Therefore, it is necessary to provide
A kind of microphone device of new construction.
[summary of the invention]
To solve the above-mentioned problems, the present invention provides a kind of microphone devices comprising vibrational system, magnetic circuit system and
Frame with accommodating space, the vibrational system and the magnetic circuit system are housed in the accommodating space, the frame packet
Include the upper surface being oppositely arranged with lower surface, connect the upper surface and the lower surface lateral surface and with the outside
The medial surface that face is oppositely arranged, the medial surface surround the accommodating space；The magnetic circuit system includes being mounted on the frame
Magnetic bowl, the magnetic bowl includes bottom plate and the side plate that extends from bottom plate bending, and the side plate is opposite with the medial surface
Setting, the microphone device further include from the medial surface towards the accommodating space in the support plate that extends, the support plate packet
Include from the medial surface extend and the upper extended surface that is oppositely arranged and lower extended surface and connect the upper extended surface with it is described under
The end face of extended surface, the end face are opposite with the medial surface；The magnetic bowl further includes from the side plate towards the medial surface side
To the first convex block and the second convex block of extension, end face described in the first convex block face, the end face is towards the medial surface direction
Recess forms fluted, and first convex block is corresponding to be housed in the groove, second convex block abut the upper extended surface and
At least one of described lower extended surface.
As an improvement first convex block and second convex block interval are arranged.
As an improvement side plate is symmetrically extended from the opposite two sides of the bottom edge, it is all provided on each side plate
Set first convex block and second convex block.
As an improvement the bottom plate is in rectangle, the side plate is extended to form along the longitudinal direction of the bottom plate, described
The height of the relatively described side plate of first convex block is less than the height of second convex block.
As an improvement first convex block is greater than the length of second convex block along the length of the long side.
As an improvement the support plate extends close to the end of the lower surface through side wall and puts down with the lower surface
Slip.
As an improvement spaced multiple through holes are additionally provided in the support plate, in the multiple through hole
One with the first convex block face and with the groove interval be arranged.
As an improvement the groove includes with the groove bottom wall of the side plate face and from the groove bottom wall towards close
The groove sidewall that the side plate direction extends, the opposite end of first convex block are abutted with the groove sidewall respectively.
As an improvement the groove bottom wall and first convex block interval are arranged.
As an improvement the frame is iron frame.
The beneficial effects of the present invention are: microphone device of the invention has saved resource, structure is simple, realizes more direction
Positioning, also improve structural strength, which thereby enhance the structural stability and acoustical behavior of microphone device.
[Detailed description of the invention]
Fig. 1 is the stereochemical structure decomposing schematic representation of microphone device of the invention；
Fig. 2 is the schematic perspective view of metal frame and magnetic bowl secure bond in microphone device of the invention；
Fig. 3 is that the stereochemical structure of another angle of metal frame and magnetic bowl secure bond in microphone device of the invention is illustrated
Figure；
Fig. 4 is the schematic perspective view of magnetic bowl in microphone device of the invention；
Fig. 5 is the planar structure schematic diagram of metal frame in microphone device of the invention.
[specific embodiment]
Below by specific embodiment combination attached drawing, invention is further described in detail, so as to more preferable geographical
The advantages of solving the solution of the present invention and its various aspects.Below in an example, the purpose of following specific embodiments is provided
It is easy for becoming apparent from thorough explanation to the contents of the present invention, rather than limiting the invention.Wherein, upper and lower, left and right etc.
It is interior with the central side close to microphone device for position in respective figure that the words of indicating position, which is only for shown structure,
Side, using the central side far from loudspeaking as outside.
In order to economize on resources, the positioning that more direction is completed as far as possible in simple structure is steady with the structure for improving microphone device
Qualitative and acoustical behavior, the present invention improve the structure of metal frame and magnetic bowl, and concrete scheme is as follows.
As shown in Figure 1, the present invention provides a kind of microphone device 100, which includes vibrational system, magnetic circuit system
System and the frame 20 with accommodating space, vibrational system and magnetic circuit system are housed in accommodating space, and frame 20 includes opposite
The upper surface of setting with lower surface, the medial surface that connect the lateral surface of upper surface and lower surface and be oppositely arranged with lateral surface
21, medial surface 21 surrounds accommodating space；Magnetic circuit system includes the magnetic bowl 30 for being mounted on frame 20, magnetic bowl 30 include bottom plate 31 and
The first side plate 33 and the second side plate 35 extended from bottom edge bending, the first side plate 33 and the second side plate 35 with medial surface 21
It is oppositely arranged；Microphone device 100 further include from medial surface 21 towards accommodating space in the support plate 22 that extends；Magnetic bowl 30 further includes certainly
First side plate 33 and the second side plate 35 21 direction of side extends inwardly the first convex block 331 and the second convex block 333, in this embodiment party
In formula, the second convex block 333 is two, and is symmetricly set on the two sides of the first convex block 331；First convex block 331 and the second convex block 333
Interval setting；
Further, Fig. 2 shows the schematic perspective view of metal frame 20 and 30 secure bond of magnetic bowl, Fig. 3 is shown
The schematic perspective view of another angle of metal frame 20 and magnetic bowl 30 secure bond.As shown in Figures 2 and 3, metal frame
Frame 20 is generally rectangular shaped, and is hollow frame.In the present embodiment, using the direction where the long side of metal frame 20 as long side
Direction, using the direction where the short side of metal frame 20 as short side direction；Metal frame 20 is preferably iron, can also be other gold
Belong to；Metal frame 20 includes side wall 23 and the support plate 22 protruded from side wall 23 to the central side of frame 20.
In the present embodiment, support plate 22 extends close to the end of lower surface through side wall 23 and smoothly connects with lower surface
It connects, support plate 22 is two and is symmetricly set in metal frame 20, therefore is illustrated to one of support plate 22, specifically
Ground, support plate 22 include extending from medial surface 21 and the upper extended surface 221 that is oppositely arranged and lower extended surface 222 and connecting
The end face 223 of extended surface 221 and lower extended surface 222, end face 223 and medial surface 21 are opposite；First convex block, 331 face end face 223,
21 direction of side is recessed to form fluted 224 inwardly for end face 223, and the first convex block 331 correspondence is housed in groove 224, and second is convex
Block 333 abuts upper at least one of extended surface 221 and lower extended surface 222；It is additionally provided in support plate 22 spaced multiple
Through hole 225, one in multiple through holes 225 is arranged with 331 face of the first convex block and being spaced with groove 224；Groove 224 wraps
It includes with the groove bottom wall 2241 of 33 face of the first side plate and from groove bottom wall 2241 towards the slot side close to the extension of 33 direction of the first side plate
The opposite end of wall 2242, the first convex block 331 is abutted with groove sidewall 2242 respectively, is arranged at the middle section of support plate 22,
Referring specifically to Fig. 1.In the present embodiment, the quantity of through hole 225 is three, and the cross sectional shape of through hole 25 is rectangle, three
A through hole 25 is arranged at equal intervals in support plate 22, and the position of one of through hole 25 is corresponding with the position of groove 224.
Referring specifically to Fig. 1 and Fig. 5.
Fig. 4 shows the stereoscopic schematic diagram of magnetic bowl 30, as shown in figure 4, bottom plate 31 is in rectangle, the first side plate 33 and second side
Plate 35 is extended to form along the longitudinal direction of bottom plate 31, and the first side plate 33 and the second side plate 35 are symmetrical and be set in parallel to each other the bottom of at
On plate 31.Since in present embodiment, the first side plate 33 is identical with the structure of the second side plate 35, therefore, to the first side plate 33 into
Row explanation, is omitted the explanation of the second side plate 35.Further, as shown in figure 4, the first convex block 331 is with respect to the first side plate 33
Height of the height less than the second convex block 333；First convex block 331 is greater than the length of the second convex block 333 along the length of long side；First is convex
The orthographic projection of block 331 and the second convex block 333 in perpendicular partially overlaps overlapping.
In said structure, since the first side plate 33 and the second side plate 35 are equipped with 331 He of the first convex block used for positioning
Second convex block 333, therefore can ensure the positioning on long side and short side both direction.In addition, the first convex block 331 be inserted into it is recessed
In slot 224, it is ensured that the positioning on the structure height direction of the first side plate 33 (or second side plate 35).It is thereby achieved that metal
Frame 20 and the positioning of magnetic bowl 30 in three directions.
In addition, vibrational system further includes upper sound film 11, voice coil 12 and lower sound film 13；Magnetic circuit system further includes being placed in magnetic bowl
30 magnet steel 36, the pole piece 37 for being stacked at magnet steel 36 and the flexible circuit board 38 being electrically connected with voice coil 13, referring specifically to Fig. 1.
It should be noted that above-mentioned these are only illustrated as preferred embodiment, cannot be understood as to invention
Limitation.
Compared with prior art, microphone device of the invention has saved resource, and structure is simple, realizes determining for more direction
Position, also improves structural strength, which thereby enhances the structural stability and acoustical behavior of microphone device.
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 (10)
1. a kind of microphone device comprising vibrational system, magnetic circuit system and the frame with accommodating space, the vibrational system
Be housed in the accommodating space with the magnetic circuit system, the frame include the upper surface that is oppositely arranged with lower surface, connect
The lateral surface of the upper surface and the lower surface and the medial surface being oppositely arranged with the lateral surface, the medial surface enclose
At the accommodating space；It is characterized in that, the magnetic circuit system includes the magnetic bowl for being mounted on the frame, the magnetic bowl includes bottom
Plate and the side plate extended from bottom plate bending, the side plate are oppositely arranged with the medial surface, and the microphone device also wraps
The support plate extended in from the medial surface towards the accommodating space is included, the support plate includes from medial surface extension and phase
With lower extended surface and the end face of the upper extended surface Yu the lower extended surface, the end face connect to the upper extended surface of setting
It is opposite with the medial surface；The magnetic bowl further includes the first convex block and second extended from the side plate towards the medial surface direction
Convex block, end face described in the first convex block face, the end face be recessed towards the medial surface direction to be formed it is fluted, described first
Convex block is corresponding to be housed in the groove, and second convex block abuts at least one in the upper extended surface and the lower extended surface
It is a.
2. microphone device according to claim 1, which is characterized in that first convex block is set with second convex block interval
It sets.
3. microphone device according to claim 2, which is characterized in that side plate is symmetrical from the opposite two sides of the bottom edge
Extend, is respectively provided with first convex block and second convex block on each side plate.
4. microphone device according to claim 2, which is characterized in that the bottom plate is in rectangle, and the side plate is along the bottom
The longitudinal direction of plate extends to form, and the height of the relatively described side plate of the first convex block is less than the height of second convex block.
5. microphone device according to claim 4, which is characterized in that first convex block is greater than along the length of the long side
The length of second convex block.
6. microphone device according to claim 1, which is characterized in that the support plate is through side wall close to the lower surface
End extends and is smoothly connected with the lower surface.
7. microphone device according to claim 1, which is characterized in that be additionally provided in the support plate spaced multiple
Through hole, one in the multiple through hole is arranged with the first convex block face and with the groove interval.
8. microphone device according to claim 1, which is characterized in that the groove includes the slot bottom with the side plate face
Wall and from the groove bottom wall towards close to the side plate direction extend groove sidewall, the opposite end of first convex block respectively with
The groove sidewall abuts.
9. microphone device according to claim 8, which is characterized in that the groove bottom wall is set with first convex block interval
It sets.
10. microphone device according to claim 1, which is characterized in that the frame is iron frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903710.3A CN109195078B (en) | 2018-08-09 | 2018-08-09 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903710.3A CN109195078B (en) | 2018-08-09 | 2018-08-09 | Sound production device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109195078A true CN109195078A (en) | 2019-01-11 |
| CN109195078B CN109195078B (en) | 2021-02-09 |
Family
ID=64921339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810903710.3A Expired - Fee Related CN109195078B (en) | 2018-08-09 | 2018-08-09 | Sound production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109195078B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436015A (en) * | 2019-12-30 | 2020-07-21 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111464923A (en) * | 2019-12-30 | 2020-07-28 | 瑞声科技(新加坡)有限公司 | Sound producing device |
| CN112104935A (en) * | 2020-09-29 | 2020-12-18 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2021134421A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Voice coil and loudspeaker |
| WO2022110430A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2022110432A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| US20220322013A1 (en) * | 2021-03-30 | 2022-10-06 | Fortune Grand Technology Inc. | Double-sided vibrating speaker |
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| US20170195795A1 (en) * | 2015-12-30 | 2017-07-06 | Cyber Group USA Inc. | Intelligent 3d earphone |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111436015A (en) * | 2019-12-30 | 2020-07-21 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111464923A (en) * | 2019-12-30 | 2020-07-28 | 瑞声科技(新加坡)有限公司 | Sound producing device |
| WO2021134421A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Voice coil and loudspeaker |
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| WO2022110432A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| US20220322013A1 (en) * | 2021-03-30 | 2022-10-06 | Fortune Grand Technology Inc. | Double-sided vibrating speaker |
| US11832075B2 (en) * | 2021-03-30 | 2023-11-28 | Fortune Grand Technology Inc. | Double-sided vibrating speaker |
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| Publication number | Publication date |
|---|---|
| CN109195078B (en) | 2021-02-09 |
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