CN208572419U - Microspeaker - Google Patents
Microspeaker Download PDFInfo
- Publication number
- CN208572419U CN208572419U CN201821138363.1U CN201821138363U CN208572419U CN 208572419 U CN208572419 U CN 208572419U CN 201821138363 U CN201821138363 U CN 201821138363U CN 208572419 U CN208572419 U CN 208572419U
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- Prior art keywords
- inside casing
- linking arm
- derivative
- extension
- connecting portion
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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 inside casing, outline border and the first connecting portion and second connecting portion being located between inside casing and outline border, the first connecting portion is directed around top dome portion from the derivative extension of inside casing, and the second connecting portion is with the setting substantially symmetrical about its central axis in top dome portion.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 vibrating diaphragm packet
It includes positioned at the top dome portion of center, the centring disk includes annular inside casing, outline border and is located between inside casing and outline border extremely
Few a pair of first connecting portion and at least a pair of of second connecting portion, the first connecting portion are prolonged from inside casing derivative ring around the direction of inside casing
It stretches, the second connecting portion is with the setting substantially symmetrical about its central axis in top dome portion.
Preferably, the first connecting portion includes deriving from the first extension of the derivative protrusion of inside casing from the first adjutage
It is derivative far from inside casing along the second extension that the direction in the gap between the inside casing and outline border extends, and from the second adjutage
Direction extends the third extension connecting with outline border.
Preferably, the first connecting portion is located at the two sides of the inside casing.
Preferably, the second connecting portion includes the first linking arm and connect with the first linking arm symmetrically arranged second
Arm.
Preferably, first linking arm and the second linking arm include the first extension for deriving protrusion from inside casing, from
The second extension that the derivative direction along the gap between the inside casing and outline border of first extension extends, and extend from second
Portion is derivative to extend the third extension connecting with outline border far from inside casing direction.
A gap is equipped between first linking arm and the first extension of the second linking arm.
The inside casing is equipped with the frame for constituting rectangle, the first extension difference of first linking arm and the second linking arm
Extend from the middle section position of frame is derivative.
First linking arm and the second linking arm include from the first bend arm of the derivative protrusion of inside casing, from the first bending
The second bend arm that the derivative direction along the gap between the inside casing and outline border of arm extends, and it is derivative remote from the second bend arm
Extend the third bend arm connecting with outline border from inside casing direction, second bend arm includes a bending part.
Preferably, the bending part of first linking arm and the second linking arm is respectively positioned on the middle section position in gap.
The inside casing is equipped with the frame for constituting rectangle, the first bend arm difference of first linking arm and the second linking arm
Extend from the latter end position of frame is derivative.
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 that an annular inside casing, outline border and at least a pair first being located between inside casing and outline border connect
Portion and at least a pair of of second connecting portion, the first connecting portion from inside casing it is derivative extend be directed around top dome portion, described second
Interconnecting piece is with the setting substantially symmetrical about its central axis in top dome portion.The centring disk can be effectively prevented vibrating diaphragm and generate polarization, Ke Yigai
The defects of distortion present in kind diaphragm structure in the prior art and distortion, 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；
Fig. 4 is the two orthographic projection structural schematic diagram of embodiment of the utility model Microspeaker, omits vibrating diaphragm.
Specific embodiment
With reference to the accompanying drawing, it elaborates to the utility model linear vibrator device.
Shown in Shenfu Fig. 1-4, 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
Centring disk 40 includes annular inside casing 41, the outline border 42 being arranged around inside casing 41 and the first connection being located between inside casing and outline border
Portion 43 and second connecting portion 44.In the present embodiment, the quantity of the first connecting portion 43 and second connecting portion 44 setting each one
It is right, it is installed in the two sides of inside casing 41 respectively.But the quantity of first connecting portion 43 and second connecting portion 44 is not limited in 1 pair, can
Increase according to actual needs.The outline border 41 of the centring disk 40 is fixed in frame 10, is folded and is set with the edge of the vibrating diaphragm 50
Together；The inside casing 41 is folded between voice coil 30 and the top dome portion of the vibrating diaphragm 50.The vibrating diaphragm 50 includes in being located at
The flat part in centre position can be used as top dome portion, and the arched part connecting with top dome portion is ring portion.The outline border 42 includes shape
The pad 45 installed in rectangular frame side, outline border 42 and frame 10 is electrically connected, so that voice coil 30 passes through frame side and pad
45 form an electrical circuit.The annular inside casing 41 includes that ring body and the protruding portion 411 extended from ring body are conducive to weldering
Voice coil 30 is connect, the magnetic circuit system is equipped with the groove 24 for accommodating protruding portion.The centring disk 40 can use non-conducting material
Or FPC (Flexible Printed Circuit), it can be set and be structure as a whole, then by way of applying conductive coating
At least two circuits being electrically connectable to outside moving-coil type electro-acoustic conversing device are formed, lead or flexibility can also be either passed through
The conductive components such as wiring board are electrically connected to realize with converter external circuit.When voice coil 30 receives electric signal, according to left hand
Rule cuts the magnetic line of force in magnetic circuit system, so that reaction driven voice coil 30 does round-trip vibration.Since centring disk 40 can
It is effectively prevented vibrating diaphragm 50 and generates polarization, distortion and distortion etc. present in 50 structure of vibrating diaphragm in the prior art can be improved and lacked
It falls into, to improve the quality of product.Vibrating diaphragm 50 and 40 assembling process of centring disk are relatively simple reliable, are conducive to production cost
Reduction, and this design structure is enough secured, can bear biggish power.
In the present embodiment, the first connecting portion 43 extends from 41 derivative ring of inside casing around the direction in top dome portion, and described the
Two interconnecting pieces 44 are with the setting substantially symmetrical about its central axis in top dome portion.Specifically, 42 shape of inside casing 41 and outline border of the centring disk 40
At a gap, the first connecting portion 43 includes from derivative the first extension 431 in gap inner process of inside casing 41, from first
Derivative the second extension 432 extended in gap of adjutage 431, and extend 432 derivatives far from 41 direction of inside casing from second
Extend the third extension 433 connecting with outline border 42.Join shown in Fig. 3, a pair of second extension 432 can be pressed in cricoid gap
Counterclockwise extend, but it is also achievable for extending counterclockwise.In short, the second all extensions presses a side
To be extended.Since the inside casing 41 is equipped with the frame of composition rectangle, the first connecting portion 43 is located at the inside casing 41
Two sides.
Another side of the inside casing 41, the second connecting portion 44 are respectively provided at both sides.The second connecting portion 44
Including the first linking arm and with symmetrically arranged second linking arm of the first linking arm.Here symmetrically refer to two second connecting portions
Shown in 44 ginseng Fig. 3, up and down direction or left and right directions are symmetrical on the basis of the central axis of inside casing 41.First linking arm as a result,
Extend respectively from the middle section position 41C of frame is derivative with the first adjutage of the second linking arm.First linking arm and second
A gap is equipped between first extension 441a, 441b of linking arm.Specifically, first linking arm and the second linking arm
It include deriving from first extension 441a, 441b of the derivative protrusion of inside casing 41 from first extension 441a, 441b along described
Second extension 442a, 442b that the direction in the gap between inside casing 41 and outline border 42 extends, and from the second extension 442a,
442b is derivative to extend third extension 443a, the 443b connecting with outline border far from inside casing direction.
Join shown in Fig. 4, is the second embodiment of the utility model Microspeaker, wherein the structure of the centring disk 60
It is again provided with first connecting portion 63 with the structure of above-mentioned centring disk 40, but the structure of second connecting portion 64 is different from embodiment 1.
Difference is: second connecting portion 64 includes the first linking arm 64a and the second linking arm 64b, the first linking arm 64a and second
Linking arm 64b includes deriving from the first bend arm 641 of the derivative protrusion of inside casing 61 from the first bend arm 641 along described interior
The second bend arm 643 that the direction in the gap between frame 61 and outline border 62 extends, and it is derivative far from inside casing from the second bend arm 643
Direction extends the third bend arm 642 that connect with outline border, and second bend arm 643 includes a bending part, the bending part by
Two bent over arms 643a, 643b arranged in parallel and the bending linking arm 643C of connection the two are formed.First connection
The first bend arm 641 of arm 64a and the second linking arm 64a extends from the latter end position of frame is derivative respectively, then described first
The bending part of linking arm 64a and the second linking arm 64a are respectively positioned on the middle section position in gap.The Microspeaker of the utility model
Centring disk is by the interconnecting piece of two kinds of shape differences of setting, and not only its elastic property more preferably, guarantees the steady of centring disk vibration
It is qualitative, improve the overall performance of electro-acoustic element, improves 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 (10)
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 includes annular inside casing, outline border and at least a pair of of the first connecting portion and at least one being located between inside casing and outline border
To second connecting portion, the first connecting portion extends from inside casing derivative ring around the direction of inside casing, and the second connecting portion is with inside casing
Setting substantially symmetrical about its central axis.
2. Microspeaker according to claim 1, it is characterised in that: the first connecting portion includes from the derivative protrusion of inside casing
The first extension, second extended from the derivative direction along the gap between the inside casing and outline border of the first extension extend
Portion, and extend the third extension connecting with outline border far from inside casing direction from the second extension is derivative.
3. Microspeaker according to claim 1 or claim 2, it is characterised in that: the first connecting portion is located at the inside casing
Two sides.
4. Microspeaker according to claim 1 or claim 2, it is characterised in that: the second connecting portion includes the first linking arm
With with symmetrically arranged second linking arm of the first linking arm.
5. Microspeaker according to claim 4, it is characterised in that: first linking arm and the second linking arm include
From the first extension of the derivative protrusion of inside casing, from the derivative direction along the gap between the inside casing and outline border of the first extension
The second extension extended, and extend the third extension connecting with outline border far from inside casing direction from the second extension is derivative.
6. Microspeaker according to claim 5, it is characterised in that: the first of first linking arm and the second linking arm
A gap is equipped between extension.
7. Microspeaker according to claim 6, it is characterised in that: the inside casing is equipped with the frame for constituting rectangle, described
First extension of the first linking arm and the second linking arm extends from the middle section position of frame is derivative respectively.
8. Microspeaker according to claim 4, it is characterised in that: first linking arm and the second linking arm include
From the first bend arm of the derivative protrusion of inside casing, from the derivative direction along the gap between the inside casing and outline border of the first bend arm
The second bend arm extended, and extend the third bend arm connecting with outline border, institute far from inside casing direction from the second bend arm is derivative
Stating the second bend arm includes a bending part.
9. Microspeaker according to claim 8, it is characterised in that: the bending of first linking arm and the second linking arm
Portion is respectively positioned on the middle section position in gap.
10. Microspeaker according to claim 9, it is characterised in that: the inside casing is equipped with the frame for constituting rectangle, described
First bend arm of the first linking arm and the second linking arm extends from the latter end position of frame is derivative respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138363.1U CN208572419U (en) | 2018-07-18 | 2018-07-18 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821138363.1U CN208572419U (en) | 2018-07-18 | 2018-07-18 | Microspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208572419U true CN208572419U (en) | 2019-03-01 |
Family
ID=65446464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821138363.1U Active CN208572419U (en) | 2018-07-18 | 2018-07-18 | Microspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208572419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198507A (en) * | 2019-06-10 | 2019-09-03 | 厦门冠音泰科技有限公司 | A kind of novel vibrating diaphragm and loudspeaker |
| CN111901715A (en) * | 2020-08-31 | 2020-11-06 | 歌尔股份有限公司 | Speaker monomer and electronic terminal |
-
2018
- 2018-07-18 CN CN201821138363.1U patent/CN208572419U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198507A (en) * | 2019-06-10 | 2019-09-03 | 厦门冠音泰科技有限公司 | A kind of novel vibrating diaphragm and loudspeaker |
| CN110198507B (en) * | 2019-06-10 | 2024-03-29 | 厦门冠音泰科技有限公司 | Novel vibrating diaphragm and loudspeaker |
| CN111901715A (en) * | 2020-08-31 | 2020-11-06 | 歌尔股份有限公司 | Speaker monomer and electronic terminal |
| CN111901715B (en) * | 2020-08-31 | 2022-05-24 | 歌尔股份有限公司 | Speaker monomer and electronic terminal |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |