CN209593747U - Microspeaker - Google Patents
Microspeaker Download PDFInfo
- Publication number
- CN209593747U CN209593747U CN201920404598.9U CN201920404598U CN209593747U CN 209593747 U CN209593747 U CN 209593747U CN 201920404598 U CN201920404598 U CN 201920404598U CN 209593747 U CN209593747 U CN 209593747U
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- Prior art keywords
- vibrating diaphragm
- main vibrating
- suboscillating membrane
- voice coil
- membrane
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- 239000012528 membrane Substances 0.000 claims abstract description 62
- 239000012790 adhesive layer Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The utility model discloses a kind of Microspeakers, including vibration component, the vibration component includes voice coil and main vibrating diaphragm, the vibration component further includes suboscillating membrane, the suboscillating membrane is fixedly installed between the voice coil and main vibrating diaphragm, and the shape of the suboscillating membrane is adapted with the local shape of the main vibrating diaphragm.It can be effectively improved vibration and sway phenomenon by the way that suboscillating membrane is arranged, improve sound quality, and easy to process and assembling, low manufacture cost.
Description
Technical field
The utility model relates to speaker technology field more particularly to a kind of Microspeakers.
Background technique
As the technology of electronic product develops, the output power of sounding device is gradually increased, so that sounding device is specific
Applicable cases under can generate bigger amplitude, sound output is stronger.But existing moving-coil type sounding device is substantially mentioning
After high amplitude, it may appear that serious polarization waves phenomenon.On the one hand this polarization, which waves phenomenon, will cause the vibration such as voice coil, vibrating diaphragm
It collides between other stationary parts in component and sounding device, on the other hand, will cause acoustic performance decline, so as to cause
Mini-sound device pure tone is bad.And current loudspeaker monomer only has one layer of vibrating diaphragm, this vibrating diaphragm heat resistance is poor, poor rigidity,
With mutability, high frequency stability is insufficient.It is limited to the material of Microspeaker vibrating diaphragm, when vibrating diaphragm displacement is more than a certain amount of,
It is distorted larger, noise can be generated, therefore increase loudness on the basis of single vibrating membrane loudspeaker monomer there is certain limitation, it is difficult
To meet people at present to the high request of psycho-acoustical quality.It is therefore desirable to improve to moving-coil type sounding device, reduce polarization
Problem, or improve sound performance.
Microspeaker is at present in order to inhibit the polarization of voice coil, it will usually centring disk is set between vibrating diaphragm and voice coil,
Centring disk is allowed to play the role of balancing voice coil vibrations.The centring disk of Microspeaker mainly uses FPCB and sound film
Deng.
FPC centring disk is typically designed to the cyclic structure of rectangle in the prior art, including the frame being connected with voice coil
With the interconnecting piece being fixed together with shell, and frame and interconnecting piece are both designed as cyclic structure, and this design is so that mould group is thick
Degree increases, and also needs to avoid the elastic arm of centring disk, and the cost is relatively high, complex process.
Main film in the Microspeaker structure of the prior art is single-tone film, and secondary film is located at another Nian Jie with voice coil of main film
Side, this design are easy knocking in speaker operation, on structure longitudinal design since secondary film and voice coil bond area are small
Corresponding evacuation is done, such as reduces magnet steel, washer, so that loudspeaker sensitivity reduces, loudness is inadequate, and technique is more multiple
Miscellaneous, main film and secondary film decorative pattern shape are different, need additionally to add forming jig, higher cost.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of Microspeakers, and it is existing can to improve vibration and sway
As improving sound quality.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows:
A kind of Microspeaker, including vibration component, the vibration component include voice coil and main vibrating diaphragm, the vibration component
It further include suboscillating membrane, the suboscillating membrane is fixedly installed between the voice coil and main vibrating diaphragm, and the shape of the suboscillating membrane and institute
The local shape for stating main vibrating diaphragm is adapted.
Further, the first adhesive layer is equipped between the main vibrating diaphragm and suboscillating membrane.
It further, further include frame, the voice coil is fixedly installed in the frame, and the suboscillating membrane is far from main vibrating diaphragm
One side be equipped with the second adhesive layer, the suboscillating membrane fixed with the voice coil and frame respectively by second adhesive layer
Connection.
Further, the shape of the main vibrating diaphragm is rectangle, the suboscillating membrane be located at the long side of the main vibrating diaphragm, short side or
Corner.
Further, the vibration component further includes middle patch, it is described in be sticked and be placed in the main vibrating diaphragm.
It further, further include magnetic circuit component, the magnetic circuit component includes center washer, annular washer, magnet and yoke,
The center washer is set in the annular washer, and the magnet is set on the yoke, and the annular washer is located at
One side of the magnet far from yoke.
The utility model has the beneficial effects that: suboscillating membrane is arranged between main vibrating diaphragm and voice coil, and the shape of suboscillating membrane
It being adapted with the local shape of main vibrating diaphragm, the local strength that sound film both can be enhanced balances the driving force of vibrational system more,
The vibration and sway occurred by vibrational system unbalance stress can be effectively suppressed, improve sound quality；The shape of suboscillating membrane and main vibrating diaphragm
Local shape be adapted, same die head can be used and processed, additional tool fixture is not needed, can reduce and be produced into
This.The Microspeaker of the utility model is easily assembled to, and does not need to reduce magnet number or cut down magnet shape to avoid.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of the Microspeaker of the utility model embodiment one；
Fig. 2 is another Structure explosion diagram of the Microspeaker of the utility model embodiment one；
Fig. 3 is another Structure explosion diagram of the Microspeaker of the utility model embodiment one；
Fig. 4 is 5 amplitude measurement results of single vibrating membrane loudspeaker of the prior art；
Fig. 5 is 5 amplitude measurement results of the Microspeaker of the utility model embodiment one；
Fig. 6 is total harmonic wave mistake of single vibrating membrane loudspeaker of the prior art and the Microspeaker of the utility model embodiment one
True comparing result.
Label declaration:
1, frame；2, middle patch；3, voice coil；4, main vibrating diaphragm；5, suboscillating membrane；6, center washer；
7, annular washer；8, magnet；9, yoke.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: suboscillating membrane, and the shape of suboscillating membrane being arranged between main vibrating diaphragm and voice coil
Shape is adapted with the local shape of main vibrating diaphragm, and the vibration and sway occurred by vibrational system unbalance stress, raising sound can be effectively suppressed
Sound quality.
Fig. 1 to Fig. 3, a kind of Microspeaker, including vibration component are please referred to, the vibration component includes voice coil 3 and master
Vibrating diaphragm 4, the vibration component further include suboscillating membrane 5, and the suboscillating membrane 5 is fixedly installed between the voice coil 3 and main vibrating diaphragm 4,
And the shape of the suboscillating membrane 5 is adapted with the local shape of the main vibrating diaphragm 4.
As can be seen from the above description, the utility model has the beneficial effects that: suboscillating membrane is arranged between main vibrating diaphragm and voice coil,
And the shape of suboscillating membrane is adapted with the local shape of main vibrating diaphragm, the local strength that sound film both can be enhanced makes the drive of vibrational system
Power more balances, and the vibration and sway occurred by vibrational system unbalance stress can be effectively suppressed, and improves sound quality；Suboscillating membrane
Shape is adapted with the local shape of main vibrating diaphragm, and same die head can be used and processed, additional tool fixture is not needed,
Production cost can be reduced.The Microspeaker of the utility model is easily assembled to, and is not needed to reduce magnet number or is cut down magnet shape
Shape avoids.
Further, the first adhesive layer is equipped between the main vibrating diaphragm 4 and suboscillating membrane 5.
Seen from the above description, the connective stability between main vibrating diaphragm and suboscillating membrane can be enhanced in the first adhesive layer of setting.
It further, further include frame 1, the voice coil 3 is fixedly installed in the frame 1, and the suboscillating membrane 5 is far from main
The one side of vibrating diaphragm 4 be equipped with the second adhesive layer, the suboscillating membrane 5 by second adhesive layer respectively with the voice coil 3 and
Frame 1 is fixedly connected.
Seen from the above description, suboscillating membrane is fixedly connected with voice coil and frame respectively by the second adhesive layer, and connection is steady
It is qualitative good.
Further, the shape of the main vibrating diaphragm 4 is rectangle, and the suboscillating membrane 5 is located at the long side, short of the main vibrating diaphragm 4
Side or corner.
Seen from the above description, suboscillating membrane can be located at long side, short side or four corners of main vibrating diaphragm, this can basis
The direction that loudspeaker rocking vibration occurs is adjusted, it might even be possible to be adjusted to unilateral stickup suboscillating membrane, i.e. suboscillating membrane does not need
Occur in pairs.For being distributed in the suboscillating membrane in four corners, it can also reduce the stress of main vibrating diaphragm quadrangle, and vibrating diaphragm is made to be not easy to send out
The shape that changes be not easy to be shaken again it is broken, so as to improve rupture of membranes phenomenon.
Further, the vibration component further includes middle patch 2, and the middle patch 2 is set in the main vibrating diaphragm 4.
It further, further include magnetic circuit component, the magnetic circuit component includes center washer 6, annular washer 7, magnet 8 and yoke
Iron 9, the center washer 6 are set in the annular washer 7, and the magnet 8 is set on the yoke 9, and the annular
Washer 7 is located at the one side of the magnet 8 far from yoke 9.
Please refer to Fig. 1 to Fig. 6, the embodiments of the present invention one are as follows:
A kind of Microspeaker, including vibration component, frame 1 and magnetic circuit component, the vibration component include 2, sound of middle patch
Circle 3, main vibrating diaphragm 4 and suboscillating membrane 5, the middle patch 2 are set in the main vibrating diaphragm 4, and the suboscillating membrane 5 is fixedly installed on the sound
Between circle 3 and main vibrating diaphragm 4, and the shape of the suboscillating membrane 5 is adapted with the local shape of the main vibrating diaphragm 4.In the present embodiment,
The first adhesive layer is equipped between the main vibrating diaphragm 4 and suboscillating membrane 5, the voice coil 3 is fixedly installed in the frame 1, the pair
Vibrating diaphragm 5 far from main vibrating diaphragm 4 one side be equipped with the second adhesive layer, the suboscillating membrane 5 by second adhesive layer respectively with
The voice coil 3 is fixedly connected with frame 1.In the present embodiment, the shape of the main vibrating diaphragm 4 is rectangle, and the suboscillating membrane 5 is located at institute
State long side, short side or the corner of main vibrating diaphragm 4.In Fig. 1, suboscillating membrane 5 is located at the long side of main vibrating diaphragm 4, and suboscillating membrane 5 and main vibrating diaphragm
The local shape of 4 long sides is adapted.In Fig. 2, suboscillating membrane 5 is located at the short side of main vibrating diaphragm 4, and suboscillating membrane 5 and main 4 short side of vibrating diaphragm
Local shape is adapted.In Fig. 3, suboscillating membrane 5 is located at the corner of main vibrating diaphragm 4, and the office of suboscillating membrane 5 and main 4 corner of vibrating diaphragm
Portion's shape is adapted.The specific number of suboscillating membrane 5, which can according to need, to be configured, can be one, two or more, nothing
It need to be arranged in pairs.
In the present embodiment, the magnetic circuit component includes center washer 6, annular washer 7, magnet 8 and yoke 9, the center
Washer 6 is set in the annular washer 7, and the magnet 8 is set on the yoke 9, and the annular washer 7 is positioned at described
One side of the magnet 8 far from yoke 9.
Fig. 4 is 5 amplitude measurements of the only Microspeaker of main vibrating diaphragm as a result, Fig. 5 is that the present embodiment increases pair
5 amplitude measurements of the Microspeaker of vibrating diaphragm are as a result, comparison diagram 4 and Fig. 5 increase suboscillating membrane suppression it is found that the present embodiment passes through
The vibration and sway phenomenon occurred by unbalance stress is made, so that 5 amplitudes are more consistent.
Fig. 6 is the total harmonic distortion comparing result of single vibrating membrane loudspeaker and increase suboscillating membrane loudspeaker, can from Fig. 6
Out, total harmonic distortion can be improved by increasing suboscillating membrane under large amplitude, improve loudspeaker tonequality quality, reduce noise.
Since the existing maximum place of sound film of loudspeaker stress is concentrated mainly on four angles of sound film, by four angles
The maximum stress of sound film can be effectively reduced later by increasing suboscillating membrane, while also make stress distribution more uniform, be not easy sound film
Deformation is also not easy to be shaken broken, the phenomenon that can effectively improve sound film rupture of membranes.
In conclusion a kind of Microspeaker provided by the utility model, can be effectively improved vibration and sway phenomenon, mention
Loud sound quality, and easy to process and assembling, low manufacture cost.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (6)
1. a kind of Microspeaker, including vibration component, the vibration component includes voice coil and main vibrating diaphragm, which is characterized in that institute
Stating vibration component further includes suboscillating membrane, and the suboscillating membrane is fixedly installed between the voice coil and main vibrating diaphragm, and the suboscillating membrane
Shape be adapted with the local shape of the main vibrating diaphragm.
2. Microspeaker according to claim 1, which is characterized in that be equipped with first between the main vibrating diaphragm and suboscillating membrane
Adhesive layer.
3. Microspeaker according to claim 1, which is characterized in that further include frame, the voice coil is fixedly installed on
In the frame, the suboscillating membrane is equipped with the second adhesive layer far from the one side of main vibrating diaphragm, and the suboscillating membrane passes through described the
Two adhesive layers are fixedly connected with the voice coil and frame respectively.
4. Microspeaker according to claim 1, which is characterized in that the shape of the main vibrating diaphragm is rectangle, the pair
Vibrating diaphragm is located at long side, short side or the corner of the main vibrating diaphragm.
5. Microspeaker according to claim 1, which is characterized in that the vibration component further includes middle patch, it is described in
It is sticked and is placed in the main vibrating diaphragm.
6. Microspeaker according to claim 1, which is characterized in that it further include magnetic circuit component, the magnetic circuit component packet
Center washer, annular washer, magnet and yoke are included, the center washer is set in the annular washer, the magnet setting
In on the yoke, and the annular washer is located at one side of the magnet far from yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404598.9U CN209593747U (en) | 2019-03-28 | 2019-03-28 | Microspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920404598.9U CN209593747U (en) | 2019-03-28 | 2019-03-28 | Microspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209593747U true CN209593747U (en) | 2019-11-05 |
Family
ID=68375127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920404598.9U Active CN209593747U (en) | 2019-03-28 | 2019-03-28 | Microspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209593747U (en) |
-
2019
- 2019-03-28 CN CN201920404598.9U patent/CN209593747U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 No. 1013, West Ring Road, Shajing street, Bao'an District, Shenzhen, Guangdong Patentee after: Weishi Technology Co.,Ltd. Country or region after: China Address before: 518000 No. 1013, West Ring Road, Shajing street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN SUNWAY ACOUSTICS TECHNOLOGY Co.,Ltd. Country or region before: China |