CN208691548U - Microspeaker - Google Patents
Microspeaker Download PDFInfo
- Publication number
- CN208691548U CN208691548U CN201821139932.4U CN201821139932U CN208691548U CN 208691548 U CN208691548 U CN 208691548U CN 201821139932 U CN201821139932 U CN 201821139932U CN 208691548 U CN208691548 U CN 208691548U
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- inside casing
- interconnecting piece
- outline border
- connecting portion
- microspeaker
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Abstract
The utility model relates to electroacoustic transducer fields, refer specifically to a kind of Microspeaker, including vibrating diaphragm, drive the voice coil of diaphragm oscillations and the centring disk that connect with the voice coil, the centring disk includes an annular inside casing, outline border and the first connecting portion for being separated from each other setting being located between inside casing and outline border, second connecting portion, third interconnecting piece and the 4th interconnecting piece, the first connecting portion and the mutually opposing two sides for being symmetrically positioned in the inside casing of third interconnecting piece, the 4th interconnecting piece include a pair of bending section being symmetrically set.The defects of centring disk can be effectively prevented vibrating diaphragm and generate polarization, can improve distortion present in diaphragm structure in the prior art and distortion, to improve the quality of product.
Description
Technical field
The utility model relates to electroacoustic transducer fields, refer specifically to a kind of Microspeaker.
Background technique
During the fast development of the portable equipments such as mobile phone, people are more and more stronger to the Functional Requirement of product,
For this function of the Music Appreciation of mobile phone, in order to keep entertainment effect stronger, there is the mode of music belt vibration, by
This, the development of microphone device is also accordingly accelerated.
The Microspeaker of the relevant technologies includes frame, is fixed on the frame vibrational system and magnetic circuit system, the vibration
Dynamic system includes vibrating diaphragm, the voice coil being sticked on the vibrating diaphragm and the centring disk for being fixed on the voice coil lower end, the magnetic circuit
System includes the magnetic bowl being fixed in frame, and the magnet steel in magnetic bowl, the magnetic bowl and the magnet steel form magnetic gap, described
Voice coil and the centring disk are suspended in the magnetic gap.
However, the centring disk being suspended in the magnetic gap is easy and the magnetic when the relevant technologies microphone device works
The inner wall sounding collision of bowl, if magnetic gap setting is wider, will lead to the magnetic in the magnetic gap to generate noise
Field intensity reduces, to reduce the Magnetic driving power of the relevant technologies microphone device, and then influences its acoustical behavior.
When work, the thrust for the voice coil that vibrating diaphragm is subject in the longitudinal direction is several times of the thrust for the voice coil being subject in its transverse direction.
This phenomenon is easy to cause vibrating diaphragm vibration imbalance, or even damaged phenomenon occur.To influence the performance of acoustical generator.
In order to overcome this deficiency, the requirement of innovation just is proposed to relevant vibrator structure.
Utility model content
Utility model aims to solve the unbalanced deficiencies of the diaphragm oscillations of above-mentioned Microspeaker, to provide
A kind of new structural Microspeaker.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of Microspeaker, including frame, the vibrational system being fixed in the frame and the magnetic circuit equipped with magnetic gap
System, the vibrational system includes vibrating diaphragm, the centring disk that connect voice coil with the vibrating diaphragm and connect with voice coil, the centering branch
Piece include annular inside casing, outline border and the first connecting portion for being separated from each other setting being located between inside casing and outline border, second connecting portion,
Third interconnecting piece and the 4th interconnecting piece, the first connecting portion and third interconnecting piece is mutually opposing is symmetrically positioned in the two of the inside casing
Side, the 4th interconnecting piece include a pair of bending section being symmetrically set.
Preferably, the inside casing is in rectangle, and the second connecting portion and the 4th interconnecting piece are located at the two of the inside casing
Side.
Preferably, the third interconnecting piece includes extending from the derivative protrusion arm extended of inside casing, from the protrusion arm is derivative
Bent over arms and the separate protrusion arm equipped with bending shape are connected to the linking arm of outline border.
Preferably, the bending section includes at least two bending parts.
Preferably, the inside casing includes a pair of of long side, and the first short side and a pair second of matching connection long side are short
Side, the second short side interruption setting, the bending section extends to outline border from corresponding second short side derivative respectively.
Preferably, the outline border is in rectangle, and the corner of the outline border is installed on weld tabs.
Preferably, the first connecting portion and third interconnecting piece include having maximum length from derivative extend of the inside casing
The adjutage being connect with the outline border.
The utility model Microspeaker including vibrating diaphragm, drives the voice coil of diaphragm oscillations and determines with what the voice coil was connect
Heart branch piece, the centring disk include an annular inside casing, outline border and be separated from each other setting the being located between inside casing and outline border
One interconnecting piece, second connecting portion, third interconnecting piece and the 4th interconnecting piece, the first connecting portion and third interconnecting piece are mutually opposing
The two sides of the inside casing are symmetrically positioned in, the 4th interconnecting piece includes a pair of bending section being symmetrically set.The centering branch
Piece can be effectively prevented vibrating diaphragm and generate polarization, can improve distortion present in diaphragm structure in the prior art and distortion etc. and lack
It falls into, to improve the quality of product.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of the utility model Microspeaker；
Fig. 2 is the structural schematic diagram that the utility model Microspeaker omits vibrating diaphragm；
Fig. 3 is the orthographic projection structural schematic diagram of the utility model Microspeaker Fig. 2.
Specific embodiment
With reference to the accompanying drawing, it elaborates to the utility model linear vibrator device.
Shown in Shenfu Fig. 1-3, the linear Microspeaker of the utility model has vibration prompt, auditory tone cues or voice output
Function, support the vibrational system equipped with vibrating diaphragm 50, and the voice coil connecting with vibrating diaphragm 50 including frame 10,10 upper end of frame
30, the gland with 10 adapted of frame is equipped with above usual vibrating diaphragm 50, vibrating diaphragm 50 is pressed in frame 10 by gland.In addition, also wrapping
Include the magnetic circuit system being installed in frame 10.The magnetic circuit system includes magnetic bowl and magnet steel, and magnetic bowl and magnet steel adapted are formed between magnetic
Gap 21, the voice coil 30 are suspended in magnetic gap 21.The vibrational system further includes the centring disk 40 connecting with voice coil, described
The outline border 42 that centring disk 40 includes annular inside casing 41, is arranged around inside casing 41, is located at mutual between inside casing 41 and outline border 42
Separately positioned first connecting portion 43, second connecting portion 44, third interconnecting piece 45 and the 4th interconnecting piece 46；Here it is separated from each other finger
Be each other be not directly connected to.In addition, as shown in Fig. 2, the orthographic projection of the inside casing is substantially such as the square of a non-close
Shape ring, the first connecting portion 43 and the mutually opposing two sides for being symmetrically positioned in the inside casing 41 of third interconnecting piece 45, described second
Interconnecting piece 44 and the 4th interconnecting piece 46 are located at the other two sides of the inside casing.In the present embodiment, reverse symmetry refers specifically to
If to be first connecting portion 43 rotate 108 ° with the short symmetry axis of inside casing 41, first connecting portion 43 is just with the length pair of inside casing 41
The long margin frame two sides for claiming axis and third interconnecting piece 45 to be symmetrically distributed in rectangle inside casing 41.In the present embodiment, it feels relieved to be promoted
The stability of vibration of branch piece, the 4th interconnecting piece 46 include a pair of bending section 46a, 46b being symmetrically set.
The outline border 41 of the centring disk 40 is fixed in frame 10, is folded and is located at together with the edge of the vibrating diaphragm 50；Institute
Inside casing 41 is stated to be folded between voice coil 30 and the top dome portion of the vibrating diaphragm 50.The vibrating diaphragm 50 includes centrally located flat
Part can be used as top dome portion, the arched part being connect with top dome portion be ring portion.The outline border 42 includes the frame for forming rectangle
Side is installed on weld tabs 47 in the corner location of outline border 42, and the weld tabs 47 is electrically connected with the conductive terminal in frame 10, to make
It obtains voice coil 30 and an electrical circuit is formed by frame side and pad 45.In addition the annular inside casing 41 includes ring body and from annular
The protruding portion that ontology extends is conducive to welding voice coil, and the magnetic circuit system is equipped with the groove for accommodating protruding portion.The centring disk 40
Non-conducting material or FPC (Flexible Printed Circuit) can be used, can be set and be structure as a whole, then pass through
The mode of coating conductive coating forms at least two circuits being electrically connectable to outside moving-coil type electro-acoustic conversing device, or can also
It is electrically connected with being realized by conductive components such as lead or flexible circuit board with converter external circuit.When voice coil 30 receives
To electric signal, the magnetic line of force in magnetic circuit system is cut according to left hand rule, so that reaction driven voice coil 30 does round-trip vibration.By
Vibrating diaphragm 50 can be effectively prevented in centring disk 40 and generates polarization, can be improved present in 50 structure of vibrating diaphragm in the prior art
The defects of distortion and distortion, to improve the quality of product.Vibrating diaphragm 50 and 40 assembling process of centring disk are relatively simple reliable,
Be conducive to the reduction of production cost, and this design structure is enough secured, can bear biggish power.
In the present embodiment, the inside casing includes a pair of of long side 411a, 411b, matching connection long side 411a, 411b
The first short side 412 and a pair of second short side 413,413 side of the second short side interruption setting, a gap 414 is formed
Between the pair of second short side 413a, 413b.Described bending section 46a, 46b are respectively from corresponding second short side
The end derivative that 413a, 413b close on gap 414 extends to outline border 42.Each bending section 46a/46b includes at least two bendings
Portion 461,462.
In addition, the third interconnecting piece 44 includes spreading out from the derivative protrusion arm 441 extended of inside casing, from the protrusion arm 441
The raw linking arm 443 for extending the bent over arms 442 for being equipped with bending shape and outline border is connected to far from the protrusion arm 441.It is described curved
There are two the bending shapes that elasticity arm is formed for the tool of folding arm 442, promote the elastic equilibrium of whole centring disk, further to avoid piece
Shape centring disk each orientation of interior outline border in working condition is unbalance.The first connecting portion 43 and third interconnecting piece 44 include
Extend the adjutage that there is maximum length to connect with the outline border 42 from the inside casing 41 is derivative.The miniature loudspeaking of the utility model
The centring disk of device is by the interconnecting piece of three kinds of shape differences of setting, and not only its elastic property more preferably, guarantees centring disk vibration
Stability, improve the overall performance of electro-acoustic element, improve the reliability of product.
The foregoing is merely the better embodiment of the utility model, the protection scope of the utility model is not with above-mentioned reality
The mode of applying is limited, as long as those of ordinary skill in the art's equivalent modification according to made by the utility model disclosure or change
Change, should be included in the scope of the protection described in the claims.
Claims (7)
1. a kind of Microspeaker, including frame, the vibrational system being fixed in the frame and the magnetic circuit system equipped with magnetic gap
System, the vibrational system includes vibrating diaphragm, the centring disk that connect voice coil with the vibrating diaphragm and connect with voice coil, it is characterised in that:
The centring disk include annular inside casing, outline border and the first connecting portion for being separated from each other setting being located between inside casing and outline border,
Second connecting portion, third interconnecting piece and the 4th interconnecting piece, the first connecting portion and third interconnecting piece is mutually opposing is symmetrically positioned in
The two sides of the inside casing, the 4th interconnecting piece include a pair of bending section being symmetrically set.
2. Microspeaker according to claim 1, it is characterised in that: the inside casing be in rectangle, the second connecting portion and
4th interconnecting piece is located at the two sides of the inside casing.
3. Microspeaker according to claim 1 or claim 2, it is characterised in that: the third interconnecting piece includes derivative from inside casing
The protrusion arm of extension is equipped with the bent over arms of bending shape from the derivative extension of the protrusion arm and is connected to far from the protrusion arm outer
The linking arm of frame.
4. Microspeaker according to claim 3, it is characterised in that: the bending section includes at least two bending parts.
5. according to claim 1 or 4 Microspeakers, it is characterised in that: the inside casing includes a pair of of long side, and matching connects
First short side of spreading side and a pair of second short side, the second short side interruption setting, the bending section respectively from
Corresponding second short side derivative extends to outline border.
6. Microspeaker according to claim 5, it is characterised in that: the outline border is in rectangle, and the corner of the outline border is pacified
Equipped with weld tabs.
7. Microspeaker according to claim 6, it is characterised in that: the first connecting portion and third interconnecting piece include
Extend the adjutage that there is maximum length to connect with the outline border from the inside casing is derivative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139932.4U CN208691548U (en) | 2018-07-18 | 2018-07-18 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139932.4U CN208691548U (en) | 2018-07-18 | 2018-07-18 | Microspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208691548U true CN208691548U (en) | 2019-04-02 |
Family
ID=65881151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821139932.4U Active CN208691548U (en) | 2018-07-18 | 2018-07-18 | Microspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208691548U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933569A (en) * | 2019-12-12 | 2020-03-27 | 精拓丽音科技（北京）有限公司 | Loudspeaker |
| CN111866678A (en) * | 2020-08-17 | 2020-10-30 | 精拓丽音科技（北京）有限公司 | Loudspeaker |
| WO2020220713A1 (en) * | 2019-04-30 | 2020-11-05 | 歌尔股份有限公司 | Sound production device and electronic product |
| WO2022007174A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2022110373A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
-
2018
- 2018-07-18 CN CN201821139932.4U patent/CN208691548U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020220713A1 (en) * | 2019-04-30 | 2020-11-05 | 歌尔股份有限公司 | Sound production device and electronic product |
| CN110933569A (en) * | 2019-12-12 | 2020-03-27 | 精拓丽音科技（北京）有限公司 | Loudspeaker |
| WO2022007174A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| CN111866678A (en) * | 2020-08-17 | 2020-10-30 | 精拓丽音科技（北京）有限公司 | Loudspeaker |
| WO2022110373A1 (en) * | 2020-11-30 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
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