CN107968979A - Microphone device - Google Patents
Microphone device Download PDFInfo
- Publication number
- CN107968979A CN107968979A CN201711458266.0A CN201711458266A CN107968979A CN 107968979 A CN107968979 A CN 107968979A CN 201711458266 A CN201711458266 A CN 201711458266A CN 107968979 A CN107968979 A CN 107968979A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- interior
- coil loudspeaker
- loudspeaker voice
- microphone device
- 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.)
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 230000003287 optical effect Effects 0.000 claims description 20
- 239000000428 dust Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 description 7
- 108010036050 human cationic antimicrobial protein 57 Proteins 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
Abstract
The invention discloses a kind of microphone device, the microphone device includes stent, fixed magnetic circuit system and vibrational system on the bracket, the magnetic circuit system includes the yoke being contained in the stent, the outer steel and interior magnet steel being attached in the yoke, the outer steel is set around the interior magnet steel, outer magnetic gap is formed between the outer steel and the yoke, magnetic gap in being formed between the outer steel and the interior magnet steel, the vibrational system includes being inserted into the outer voice coil loudspeaker voice coil of the outer magnetic gap, it is inserted into the interior voice coil loudspeaker voice coil of the interior magnetic gap, and by the outer voice coil loudspeaker voice coil and the vibrating diaphragm of the interior voice coil loudspeaker voice coil driving.The present invention sets the interior voice coil loudspeaker voice coil and the outer voice coil loudspeaker voice coil to drive the same vibrating diaphragm, so as to can play high frequency audio and bass, realizes that gamut plays, reduces the microphone device thickness.
Description
Technical field
The present invention relates to electroacoustic techniques field, and in particular to a kind of microphone device.
Background technology
Loudspeaker is can to convert the electrical signal to acoustical signal and be radiated the electroacoustic transducer in air, it extensively should
For in present electronic product.Loudspeaker generally includes magnetic circuit system, vibrational system and support system three parts.The vibration system
The voice coil loudspeaker voice coil of system, which is powered, produces the magnetic field collective effect of induced field, the induced field and magnetic circuit system, produces upwardly or downwardly
Active force, drive the diaphragm oscillations of vibrational system, promote air to make a sound.
In the prior art, part loudspeaker sets bass to vibrate at the same time to realize that gamut is played in same loudspeaker
System and high pitch vibrational system, due to needing two sets of vibrational systems, cause product thickness larger.
Therefore, it is necessary to provide a kind of new microphone device.
The content of the invention
The main object of the present invention is to provide a kind of microphone device, it is intended to solves the loudspeaker with gamut playing function
The larger technical problem of thickness.
To achieve the above object, microphone device proposed by the present invention includes stent, fixed magnetic circuit system on the bracket
System and vibrational system, the magnetic circuit system include the yoke being contained in the stent, the outer steel being attached in the yoke
With interior magnet steel, the outer steel is set around the interior magnet steel, and outer magnetic gap, institute are formed between the outer steel and the yoke
Magnetic gap in being formed between outer steel and the interior magnet steel is stated, the vibrational system includes being inserted into the outer sound of the outer magnetic gap
The interior voice coil loudspeaker voice coil of the interior magnetic gap is enclosed, is inserted into, and by the outer voice coil loudspeaker voice coil and the vibrating diaphragm of the interior voice coil loudspeaker voice coil driving.
Preferably, the magnetic circuit system further includes the outer washer and patch for being attached at the outer steel close to the vibrating diaphragm side
Interior washer arranged on the interior magnet steel close to the vibrating diaphragm side.
Preferably, the vibrating diaphragm includes middle ring, around the middle ring and connected ring portion and around institute
Ring portion and connected fixed part are stated, the fixed part is connected with the stent, the outer voice coil loudspeaker voice coil and the centre
Ring is connected close to the edge in the ring portion, and the edge of the interior voice coil loudspeaker voice coil and the middle ring away from the ring portion is connected
Connect.
Preferably, the vibrational system further includes arranged on the center of the vibrating diaphragm and covers the interior voice coil loudspeaker voice coil and the interior magnetic
The dust cap of steel, the edge of the dust cap and the middle ring are connected.
Preferably, pressure-releasing chamber, the interior washer, the interior magnet steel and institute are formed between the dust cap and the interior washer
The center for stating yoke offers the pressure release passage connection pressure-releasing chamber and exterior space.
Preferably, the vibrational system is further included below the interior voice coil loudspeaker voice coil for the resilient support interior voice coil loudspeaker voice coil
Elastic supporting member for supporting optical member, the outer edge of the elastic supporting member for supporting optical member are fixed between the outer steel and the yoke, the resilient support
The inside edge of part is connected with the interior voice coil loudspeaker voice coil.
Preferably, the elastic supporting member for supporting optical member is sheathed on the interior magnet steel, and the elastic supporting member for supporting optical member is equipped with multiple rings successively
The ripple set around the interior magnet steel.
Preferably, the yoke include bottom wall, side wall from the edge of the bottom wall to the vibrating diaphragm that extend from, from the bottom
The first erecting bed and the second erecting bed that wall extends to the vibrating diaphragm, first erecting bed are set around second erecting bed
Put, the outer steel is attached on first erecting bed, and the interior magnet steel is attached on second erecting bed.
Preferably, the relief hole being connected with the interior magnetic gap is offered in the yoke.
Preferably, the magnetic circuit system further includes fixed conducting terminal on the bracket, and the conducting terminal passes through
Conducting wire is electrically connected with the interior voice coil loudspeaker voice coil and the outer voice coil loudspeaker voice coil, and the interior voice coil loudspeaker voice coil and the outer voice coil loudspeaker voice coil are in parallel.
In technical solution of the present invention, vibrating diaphragm is driven by voice coil loudspeaker voice coil in setting and outer voice coil loudspeaker voice coil, so that microphone device can be sent out
Go out high frequency audio and bass；One vibrating diaphragm, stent, yoke are shared by voice coil loudspeaker voice coil in setting and outer voice coil loudspeaker voice coil, so as to avoid existing
Using the scheme of two sets of vibrational systems in technology, the thickness of microphone device is reduced, is conducive to product slimming and sets.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the dimensional structure diagram of one embodiment of microphone device of the present invention；
Fig. 2 is the decomposition texture schematic diagram of one embodiment of microphone device of the present invention；
Fig. 3 is cross-sectional view of the microphone device along line A-A shown in Fig. 1；
Fig. 4 is cross-sectional view of the microphone device along line B-B shown in Fig. 1；
Fig. 5 is the enlarged diagram of the microphone device C portion shown in Fig. 4；
Fig. 6 is the magnetic flux test chart on the inside of the interior voice coil loudspeaker voice coil of one embodiment of microphone device of the present invention；
Fig. 7 is the magnetic flux test chart on the outside of the interior voice coil loudspeaker voice coil of one embodiment of microphone device of the present invention；
Fig. 8 is the magnetic flux test chart of the outer voice coil loudspeaker voice coil of one embodiment of microphone device of the present invention；
Fig. 9 is the audio-frequency test figure of one embodiment of microphone device of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Microphone device | 1 | Stent |
| 3 | Magnetic circuit system | 31 | Yoke |
| 311 | Bottom wall | 312 | Relief hole |
| 313 | Side wall | 315 | First erecting bed |
| 317 | Second erecting bed | 319 | Installation step |
| 3191 | Mounting surface | 3193 | Side |
| 32 | Outer magnetic gap | 33 | Outer steel |
| 34 | Interior magnetic gap | 35 | Interior magnet steel |
| 36 | Pressure release passage | 37 | Outer washer |
| 39 | Interior washer | 5 | Vibrational system |
| 51 | Outer voice coil loudspeaker voice coil | 52 | Pressure-releasing chamber |
| 53 | Interior voice coil loudspeaker voice coil | 55 | Vibrating diaphragm |
| 551 | Middle ring | 553 | Ring portion |
| 555 | Fixed part | 57 | Dust cap |
| 59 | Elastic supporting member for supporting optical member | 7 | Conducting terminal |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each component, motion conditions etc., if should
When particular pose sounding changes, then directionality instruction also correspondingly changes correspondingly.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for description purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or
It is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.For the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize this
The combination of technical solution is not present, also not within the protection domain of application claims.
The present invention proposes a kind of microphone device.
Please refer to Fig.1 to Fig.3, in an embodiment of the present invention, which includes stent 1, is fixed on stent 1
On magnetic circuit system 3 and vibrational system 5, magnetic circuit system 3 include be contained in stent 1 yoke 31, be attached in yoke 31
Outer steel 33 and interior magnet steel 35, outer steel 33 are set around interior magnet steel 35, and outer magnetic gap is formed between outer steel 33 and yoke 31
32, magnetic gap 34 in formation between outer steel 33 and interior magnet steel 35, vibrational system 5 includes being inserted into the outer voice coil loudspeaker voice coil of outer magnetic gap 32
51st, the interior voice coil loudspeaker voice coil 53 of magnetic gap 34 in being inserted into, and the vibrating diaphragm 55 driven by outer voice coil loudspeaker voice coil 51 and interior voice coil loudspeaker voice coil 53.
Specifically, outer voice coil loudspeaker voice coil 51 and interior voice coil loudspeaker voice coil 53 being powered, outer voice coil loudspeaker voice coil 51 produces induced field, and in magnetic circuit system 3
Under the collective effect of magnetic field, 55 vibration sounding of vibrating diaphragm is driven；Interior voice coil loudspeaker voice coil 53 produces induced field, and is total to the magnetic field of magnetic circuit system 3
Under same-action, 55 vibration sounding of vibrating diaphragm is driven；Vibrating diaphragm 55 is driven to vibrate respectively by interior voice coil loudspeaker voice coil 53 and outer voice coil loudspeaker voice coil 51, so as to
To bass or high frequency audio.
In the present invention, vibrating diaphragm 55 is driven by voice coil loudspeaker voice coil in setting 53 and outer voice coil loudspeaker voice coil 51, so that microphone device 100 can
Send high frequency audio and bass；One vibrating diaphragm 55, stent 1, yoke 31 are shared by voice coil loudspeaker voice coil in setting 53 and outer voice coil loudspeaker voice coil 51, so that
Avoid in the prior art using the scheme of two sets of vibrational systems, reduce the thickness of microphone device 100, it is slim to be conducive to product
Change and set.
Further, magnetic circuit system 3, which further includes, is attached at outer steel 33 close to the outer washer 37 of 55 side of vibrating diaphragm and is sticked
Interior washer 39 in interior magnet steel 35 close to 55 side of vibrating diaphragm.Specifically, the outer washer 37 and the interior washer 39 are magnetizer,
By setting outer washer 37 and interior washer 39 to be conducive to improve sensitivity, quality distortion is reduced.In the present embodiment, outer steel
33rd, interior magnet steel 35, outer washer 37 and interior washer 39 are loop configuration, in other embodiments, outer steel 33, interior magnet steel 35,
Outer washer 37 and interior washer 39 can be other shapes, such as：Multiple square outer steels 33 form annular.
Yet further, vibrating diaphragm 55 includes middle ring 551, around middle ring 551 and connected 553 and of ring portion
It is connected around ring portion 553 and connected fixed part 555, fixed part 555 with stent 1, outer voice coil loudspeaker voice coil 51 and middle ring
551 are connected close to the edge in ring portion 553, and interior voice coil loudspeaker voice coil 53 is connected with middle edge of the ring 551 away from ring portion 553.It is logical
Cross interior voice coil loudspeaker voice coil 53 to be connected with outer voice coil loudspeaker voice coil 51 with the diverse location of middle ring 551, so as to control interior voice coil loudspeaker voice coil 53 or outer voice coil loudspeaker voice coil 51 to drive
Vibrating diaphragm 55 sends high frequency audio or bass.
In another embodiment, vibrational system 5 further includes voice coil loudspeaker voice coil 53 and interior magnet steel 35 in 55 center of vibrating diaphragm and covering
Dust cap 57, the edge of dust cap 57 is connected with middle ring 551.By setting dust cap 57 to prevent foreign matter from entering
In microphone device 100.
Further, pressure-releasing chamber 52, interior washer 39, interior magnet steel 35 and yoke 31 are formed between dust cap 57 and interior washer 39
Center offer pressure release passage 36 and connect pressure-releasing chamber 52 and exterior space.By setting pressure release passage 36 so as to be conducive to sounding
100 sounding of device.
In one embodiment, vibrational system 5 is further included arranged on the interior lower section of voice coil loudspeaker voice coil 53 for voice coil loudspeaker voice coil in resilient support 53
Elastic supporting member for supporting optical member 59, the outer edge of elastic supporting member for supporting optical member 59 are fixed between outer steel 33 and yoke 31, elastic supporting member for supporting optical member 59 it is interior
Edge is connected with interior voice coil loudspeaker voice coil 53.Be conducive to maintain stability during the interior movement of voice coil loudspeaker voice coil 53 by elastic supporting member for supporting optical member 59, have at the same time
The stability being connected beneficial to voice coil loudspeaker voice coil in maintenance 53 with vibrating diaphragm 55.Specifically, elastic supporting member for supporting optical member 59 can be centring disk, can also
Be it is a plurality of have elasticity and both ends connection respectively connection in the elastic arm of voice coil loudspeaker voice coil 53 and outer steel 33, can also be with elasticity and
Both ends connect the laminated structure of voice coil loudspeaker voice coil 53 and outer steel 33 in connection respectively.
Further, elastic supporting member for supporting optical member 59 is sheathed on interior magnet steel 35, and elastic supporting member for supporting optical member 59 is equipped with multiple successively around interior
The ripple that magnet steel 35 is set.By setting ripple to be conducive to the resonance efficiency of microphone device.
Referring to Fig. 4, yoke 31 includes bottom wall 311, side wall 313 from the edge of bottom wall 311 to vibrating diaphragm 55 that extend from, the bottom of from
The first erecting bed 315 and the second erecting bed 317 that wall 311 extends to vibrating diaphragm 55, the first erecting bed 315 surround the second erecting bed
317 are set, and outer steel 33 is attached on the first erecting bed 315, and interior magnet steel 35 is attached on the second erecting bed 317.Pass through setting
First erecting bed 315 and the second erecting bed 317, can increase the stroke of vibrating diaphragm 55, the dosage of magnet steel 35 and outer steel 33 in reduction.
Referring to Fig. 5, the first erecting bed 315 is equipped with installation step 319, installation step 319 is included from the first erecting bed
315 close to the surface of the second erecting bed 317 to by proximal wall 313 direction extension mounting surfaces 3191 and self installation face 3191 to
The side 3193 extended close to the direction of vibrating diaphragm 55, elastic supporting member for supporting optical member 59 are connected with mounting surface 3191.By setting erecting bed
Rank 319, is conducive to the fixation of elastic supporting member for supporting optical member 59, increases the stability of elastic supporting member for supporting optical member 59.
Referring to Fig. 4, the relief hole 312 being connected with interior magnetic gap 34 is offered in yoke 31.Let out by setting
Pressure hole 312 connects interior magnetic gap 34, drives vibrating diaphragm 55 to vibrate so as to be conducive to interior voice coil loudspeaker voice coil 53.Preferably, opened on outer voice coil loudspeaker voice coil 51
The both sides of outer voice coil loudspeaker voice coil 51 are connected equipped with through hole, is conducive to outer voice coil loudspeaker voice coil 51 and drives vibrating diaphragm 55 to vibrate.
Magnetic circuit system 3 further includes the conducting terminal 7 being fixed on stent 1, conducting terminal 7 by conducting wire and interior voice coil loudspeaker voice coil 53 and
Outer voice coil loudspeaker voice coil 51 is electrically connected, and interior voice coil loudspeaker voice coil 53 and outer voice coil loudspeaker voice coil 51 are in parallel.So as to control the energization of interior voice coil loudspeaker voice coil 53 and outer voice coil loudspeaker voice coil 51 respectively
Situation.Preferably, the first conducting wire (not indicating) connection conducting terminal 7 and outer voice coil loudspeaker voice coil 51 are set, the second conducting wire (not indicating) is set
Voice coil loudspeaker voice coil 53 in being connected with after the first conductor in parallel, to reduce the set amount of the inside conductor of microphone device 100.
Fig. 6 is referred to Fig. 8, wherein, Fig. 6 is that the magnetic flux on the inside of the interior voice coil loudspeaker voice coil of one embodiment of microphone device of the present invention measures
Attempt, Fig. 7 is the magnetic flux test chart on the outside of the interior voice coil loudspeaker voice coil of one embodiment of microphone device of the present invention, and Fig. 8 is acoustical generator of the present invention
The magnetic flux test chart of the outer voice coil loudspeaker voice coil of one embodiment of part.It can be obtained by the curve in Fig. 6, Fig. 7 and Fig. 8, microphone device 100
Interior voice coil loudspeaker voice coil 35 and outer voice coil loudspeaker voice coil 33 are respectively provided with higher magnetic flux.
Referring to Fig. 9, being the audio-frequency test figure of one embodiment of microphone device of the present invention, observation Fig. 9 is understood, microphone device
100 can reach effective bandwidth of 50Hz~20KHz, can meet the broadcasting demand of full acoustic frequency.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every in the present invention
Design under, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/be used in other phases indirectly
The technical field of pass is included in the scope of patent protection of the present invention.
Claims (10)
1. a kind of microphone device, including stent, fixed magnetic circuit system and vibrational system on the bracket, it is characterised in that
The magnetic circuit system includes the yoke being contained in the stent, the outer steel being attached in the yoke and interior magnet steel, described
Outer steel is set around the interior magnet steel, and outer magnetic gap, the outer steel and institute are formed between the outer steel and the yoke
State magnetic gap in being formed between interior magnet steel, the vibrational system include being inserted into the outer voice coil loudspeaker voice coil of the outer magnetic gap, insertion it is described in
The interior voice coil loudspeaker voice coil of magnetic gap, and by the outer voice coil loudspeaker voice coil and the vibrating diaphragm of the interior voice coil loudspeaker voice coil driving.
2. microphone device as claimed in claim 1, it is characterised in that the magnetic circuit system, which further includes, is attached at the outer steel
Close to the vibrating diaphragm side outer washer and be attached at interior washer of the interior magnet steel close to the vibrating diaphragm side.
3. microphone device as claimed in claim 2, it is characterised in that the vibrating diaphragm includes middle ring, around the middle ring
And connected ring portion and around the ring portion and connected fixed part, the fixed part and the stent
It is connected, the outer voice coil loudspeaker voice coil and the middle ring are connected close to the edge in the ring portion, the interior voice coil loudspeaker voice coil and the centre
Edge of the ring away from the ring portion is connected.
4. microphone device as claimed in claim 3, it is characterised in that the vibrational system is further included in the vibrating diaphragm
The heart and the dust cap for covering the interior voice coil loudspeaker voice coil and the interior magnet steel, the edge of the dust cap and the middle ring are connected.
5. microphone device as claimed in claim 4, it is characterised in that form pressure release between the dust cap and the interior washer
Chamber, the interior washer, the interior magnet steel and the center of the yoke offer pressure release passage and connect the pressure-releasing chamber and outside sky
Between.
6. microphone device as claimed in claim 1, it is characterised in that the vibrational system is further included under the interior voice coil loudspeaker voice coil
For flexibly supporting the elastic supporting member for supporting optical member of the interior voice coil loudspeaker voice coil, the outer edge of the elastic supporting member for supporting optical member is fixed on the outer steel for side
Between the yoke, the inside edge of the elastic supporting member for supporting optical member is connected with the interior voice coil loudspeaker voice coil.
7. microphone device as claimed in claim 6, it is characterised in that the elastic supporting member for supporting optical member is sheathed on the interior magnet steel, institute
State elastic supporting member for supporting optical member and be equipped with multiple ripples set successively around the interior magnet steel.
8. the microphone device as any one of claim 1 to 7, it is characterised in that the yoke includes bottom wall, described in
Side wall that the edge of bottom wall extends to the vibrating diaphragm, the first erecting bed extended from the bottom wall to the vibrating diaphragm and the second installation
Platform, first erecting bed are set around second erecting bed, and the outer steel is attached on first erecting bed, described
Interior magnet steel is attached on second erecting bed.
9. the microphone device as any one of claim 1 to 7, it is characterised in that offered in the yoke with it is described
The relief hole that interior magnetic gap is connected.
10. the microphone device as any one of claim 1 to 7, it is characterised in that the magnetic circuit system further includes fixation
Conducting terminal on the bracket, the conducting terminal are electrically connected by conducting wire with the interior voice coil loudspeaker voice coil and the outer voice coil loudspeaker voice coil, institute
State interior voice coil loudspeaker voice coil and the outer voice coil loudspeaker voice coil is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458266.0A CN107968979A (en) | 2017-12-27 | 2017-12-27 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458266.0A CN107968979A (en) | 2017-12-27 | 2017-12-27 | Microphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107968979A true CN107968979A (en) | 2018-04-27 |
Family
ID=61993184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711458266.0A Pending CN107968979A (en) | 2017-12-27 | 2017-12-27 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107968979A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696806A (en) * | 2018-06-25 | 2018-10-23 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| CN109348371A (en) * | 2018-09-30 | 2019-02-15 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN113891230A (en) * | 2020-07-02 | 2022-01-04 | 宁波升亚电子有限公司 | Electroacoustic transducer and method for manufacturing same |
| WO2022062047A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Sound production unit and loudspeaker |
| WO2022160684A1 (en) * | 2021-01-29 | 2022-08-04 | 歌尔股份有限公司 | Elastic support piece, electronic device, and terminal |
| WO2024022489A1 (en) * | 2022-07-28 | 2024-02-01 | 潍坊歌尔丹拿电子科技有限公司 | Sound production apparatus and terminal device |
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| CN202353803U (en) * | 2011-11-09 | 2012-07-25 | 北京爱德发科技有限公司 | Coaxial loudspeaker unit |
| JP2017168979A (en) * | 2016-03-15 | 2017-09-21 | シャープ株式会社 | Speaker and television device |
| CN207766533U (en) * | 2017-12-27 | 2018-08-24 | Tcl通力电子（惠州）有限公司 | Microphone device |
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|---|---|---|---|---|
| KR20060089937A (en) * | 2005-02-03 | 2006-08-10 | 이진성 | Speaker |
| CN202353803U (en) * | 2011-11-09 | 2012-07-25 | 北京爱德发科技有限公司 | Coaxial loudspeaker unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696806A (en) * | 2018-06-25 | 2018-10-23 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| CN108696806B (en) * | 2018-06-25 | 2023-11-21 | 歌尔股份有限公司 | Speaker and portable terminal |
| CN109348371A (en) * | 2018-09-30 | 2019-02-15 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109348371B (en) * | 2018-09-30 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN113891230A (en) * | 2020-07-02 | 2022-01-04 | 宁波升亚电子有限公司 | Electroacoustic transducer and method for manufacturing same |
| WO2022062047A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Sound production unit and loudspeaker |
| WO2022160684A1 (en) * | 2021-01-29 | 2022-08-04 | 歌尔股份有限公司 | Elastic support piece, electronic device, and terminal |
| WO2024022489A1 (en) * | 2022-07-28 | 2024-02-01 | 潍坊歌尔丹拿电子科技有限公司 | Sound production apparatus and terminal device |
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