CN206851020U - A kind of acoustical generator - Google Patents
A kind of acoustical generator Download PDFInfo
- Publication number
- CN206851020U CN206851020U CN201720608872.5U CN201720608872U CN206851020U CN 206851020 U CN206851020 U CN 206851020U CN 201720608872 U CN201720608872 U CN 201720608872U CN 206851020 U CN206851020 U CN 206851020U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- connector
- acoustical generator
- centring disk
- coil loudspeaker
- 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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Abstract
The utility model discloses a kind of acoustical generator, including shell, vibrational system and magnetic circuit system are contained in the shell, the vibrational system includes vibrating diaphragm and the voice coil loudspeaker voice coil being incorporated into below vibrating diaphragm, the acoustical generator further comprises centring disk, one end of the centring disk is fixedly connected by connector with the lateral wall of voice coil loudspeaker voice coil, the other end of the centring disk is fixedly connected with shell, the connector includes the connector side wall being connected with the lateral wall of the voice coil loudspeaker voice coil, and the connector bottom wall to be stretched out by connector side wall ends, the connector side wall includes aperture portion.Centring disk is connected between voice coil loudspeaker voice coil lateral wall and shell by connector, centring disk realizes the polarization problem for suppressing voice coil loudspeaker voice coil, improves acoustical behavior.Set aperture portion to reduce the weight of connector in the side wall of connector simultaneously, realize and reduce the weight of vibrational system to ensure sensitivity of the acoustical generator in intermediate frequency.
Description
Technical field
Electro-acoustic product technical field is the utility model is related to, more particularly, to a kind of acoustical generator.
Background technology
Acoustical generator is a kind of device that can convert electrical energy into acoustic energy, belongs to most basic phonation unit, and it extensively should
For in the terminal devices such as mobile phone.Acoustical generator monomer is made up of vibrational system and magnetic circuit system, can be completed basic electric energy and be turned
It is changed to the function of acoustic energy.
Acoustical generator includes the shell formed with receiving space and the vibrational system being contained in shell and magnetic circuit system.Sounding
The shell of device, which is provided with, is used to connecting the electrical connector of external circuit in acoustical generator, electrical connector respectively with voice coil leads and external electrical
Road is electrically connected, and so as to turn on external circuit and voice coil leads, electric energy is inputted voice coil loudspeaker voice coil by external circuit via voice coil leads, so that
Voice coil vibrations are made by electromagnetic induction principle in acoustical generator, voice coil vibrations drive diaphragm oscillations sounding, so that electric energy is converted into
Acoustic energy, realize the vocal function of acoustical generator.
For the long and narrow acoustical generator monomer of shape, for example the length-width ratio of voice coil loudspeaker voice coil is more than 3:More than 1, if still using single
Individual Driver designs, i.e. a vibrational system, a magnetic circuit system can be because of vibrating diaphragm pars intermedia, the oversized easily appearance of voice coil loudspeaker voice coil
Obvious polarization problem, polarization easily causes voice coil loudspeaker voice coil to wipe problem of touching with magnetic circuit system, and adds centring disk in voice coil loudspeaker voice coil short axle side
Design, it can effectively suppress the polarization problem of voice coil loudspeaker voice coil, centring disk one end is bonding with voice coil loudspeaker voice coil short axle by connector realization,
The other end of centring disk is fixedly connected with shell, so as to realize the polarization problem for suppressing voice coil loudspeaker voice coil.Outside connector side wall and voice coil loudspeaker voice coil
Side wall is bonded, and connector bottom wall is Nian Jie with centring disk, in order that more firm, it is necessary to increase company Nian Jie with voice coil loudspeaker voice coil of connector
The cohesive force of fitting and voice coil loudspeaker voice coil and increase the area of connector sidewall sections, but such mode compares original connector
The weight of vibrational system will certainly just be increased, so as to have influence on the sensitivity of acoustical generator intermediate frequency.
Based on above-mentioned problem, it is desirable to provide a kind of acoustical generator, the acoustical generator ensureing connector and voice coil loudspeaker voice coil
While bond area and bonding firmness, reduce the weight of connector, realize and reduce the weight of vibrational system to ensure sounding
Sensitivity of the device in intermediate frequency.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of acoustical generator, to solve centring disk in the prior art
By connector it is Nian Jie with voice coil loudspeaker voice coil when, cause the increase of vibrational system weight so as to influenceing asking for sensitivity of the acoustical generator in intermediate frequency
Topic.
In order to solve the above technical problems, the utility model provides a kind of acoustical generator, including contained in shell, the shell
Vibrational system and magnetic circuit system, the vibrational system include vibrating diaphragm and the voice coil loudspeaker voice coil being incorporated into below vibrating diaphragm, and the acoustical generator enters one
Step includes centring disk, and one end of the centring disk is fixedly connected by connector with the lateral wall of voice coil loudspeaker voice coil, the centering branch
The other end of piece is fixedly connected with shell, and the connector includes the connector side being connected with the lateral wall of the voice coil loudspeaker voice coil
Wall;The connector side wall includes aperture portion.
Preferably, the aperture portion is shaped as circular or square, and quantity is 2-3.
Preferably, the ratio of the area of the area sum of the aperture portion and the connector side wall is not more than 1/3.Perforate
The area sum in portion determines the actually active bond area of connector side wall and voice coil loudspeaker voice coil lateral wall, should ensure the weight of connector
Amount is as small as possible, ensures that enough effective bond areas realize being fixedly connected for connector side wall and voice coil loudspeaker voice coil lateral wall again.
Preferably, the connector also includes the connector bottom wall to be stretched out by connector side wall ends.
Preferably, the connector inside bottom wall face is horizontal plane.
Preferably, the centring disk includes bending part and the flat part positioned at bending part both ends, the bending part and institute
The ring for stating vibrating diaphragm is bent to identical or opposite direction, and the flat part at the bending part both ends is in same level.
Preferably, the connector bottom wall be located at connector side wall top, the connector inside bottom wall face with it is described
Centring disk is fixedly connected close to the upper surface of the flat part of one end of the voice coil loudspeaker voice coil.
Preferably, the connector bottom wall be located at connector side wall bottom, the connector inside bottom wall face with it is described
Centring disk is fixedly connected close to the lower surface of the flat part of one end of the voice coil loudspeaker voice coil.
Preferably, the centring disk is in the length of the flat part of one end of the voice coil loudspeaker voice coil and the connector bottom wall
The equal length of side and completely fitting.
Preferably, the bending part of the centring disk is arc.
The beneficial effects of the utility model are as follows:
Centring disk is connected to voice coil loudspeaker voice coil lateral wall and shell by the utility model by above technical scheme by connector
Between, centring disk realizes the polarization problem for suppressing voice coil loudspeaker voice coil, improves acoustical behavior.Aperture portion is set in connector side wall simultaneously
To reduce the weight of connector, realize and reduce the weight of vibrational system to ensure sensitivity of the acoustical generator in intermediate frequency.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings;
Fig. 1 shows a kind of structural representation of acoustical generator of the present utility model;
Fig. 2 shows a kind of cross-sectional view of acoustical generator of the present utility model;
Fig. 3 shows the structural representation of the voice coil loudspeaker voice coil of acoustical generator of the present utility model a kind of, connector and centring disk;
Fig. 4 shows the connector and centring disk partial structural diagram of a kind of acoustical generator of the present utility model.
Drawing reference numeral:1 vibrating diaphragm, 2 reinforcement parts, 3 upper conduction magnetic boards, 4 magnet, 5 times magnetic conductive boards, 6 voice coil loudspeaker voice coils, 7 connectors, 701 open
Hole portion, 8 centring disks.
Embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
Referring to Fig. 1-Fig. 4, Fig. 1 shows a kind of structural representation of acoustical generator of the present utility model;Fig. 2 shows that this practicality is new
A kind of cross-sectional view of acoustical generator of type;Fig. 3 shows the voice coil loudspeaker voice coil of acoustical generator of the present utility model a kind of, connector and fixed
The structural representation of heart branch piece;Fig. 4 shows that a kind of connector of acoustical generator of the present utility model and centring disk partial structurtes are shown
It is intended to.Based on technical problem to be solved in the utility model, solve centring disk in the prior art and pass through connector and voice coil loudspeaker voice coil
During bonding, the increase of vibrational system weight is caused to influence acoustical generator the sensitivity of intermediate frequency the problem of.
Specifically, the utility model provides a kind of acoustical generator, including shell, the magnetic circuit system that is contained in shell and vibration
System, the shell includes annular sidewall and the bottom wall to be extended internally out by sidewall bottom, it is necessary to explanation, shell herein
Bottom only refer to the part extended inward by four side walls, but in specific implementation process, the bottom wall of shell is not
The structure of two relative side walls can be connected, its middle part is mostly hollow design, in order to be assembled with magnetic circuit system.Magnetic circuit system
System includes upper conduction magnetic board 3 and lower magnetic conductive board 5, and magnet 4 is provided between upper conduction magnetic board 3 and lower magnetic conductive board 5.Vibrational system includes vibrating diaphragm
1st, reinforcement part 2 and the voice coil loudspeaker voice coil 6 combined with vibrating diaphragm 1, a part of the voice coil loudspeaker voice coil 6 close to one end of magnetic circuit system are suspended at magnetic circuit system
In magnetic gap.
Connector 7 includes the connector side wall being connected with the lateral wall of voice coil loudspeaker voice coil 6, and outside by connector side wall ends
The connector bottom wall of extension;Connector 7 is preferably steel disc, and steel disc machining accuracy is high, can production it is high, former material selectable range
Greatly, processing is simple, and cost is cheap, and steel disc is in light weight, it is ensured that on the basis of the weight of acoustical generator is significantly increased, prevents
Resonance, polarization, without influenceing sensitivity.
The lateral surface of connector side wall is adhesively fixed with the lateral wall of voice coil loudspeaker voice coil 6.Connector inside bottom wall face is horizontal plane.
In order to further reduce the weight of connector 7, realize and reduce the weight of vibrational system to ensure acoustical generator in intermediate frequency
Sensitivity, the connector side wall is provided with aperture portion 701.Being shaped as the aperture portion 701 is circular or square, and quantity is
2-3.
While the weight of connector 7 is reduced, in order to ensure connector side wall and the bonding plane of the lateral wall of voice coil loudspeaker voice coil 6
The ratio of effective bond area, the area sum of aperture portion 701 and the area of connector side wall is not more than 1/3.
Acoustical generator further comprises centring disk 8, and the centring disk 8 includes bending part and positioned at the flat of bending part both ends
Straight portion, the bending part are bent with the ring part of vibrating diaphragm 1 to identical or opposite direction, and the flat part at both ends is in same level
On face.
Flat part of the centring disk 8 close to one end of voice coil loudspeaker voice coil 6 is fixedly connected by connector 7 with the lateral wall of voice coil loudspeaker voice coil 6, fixed
The flat part of the other end of heart branch piece 8 is fixedly connected with shell.
Preferably as a kind of embodiment of connector 7, connector bottom wall is located at the top of connector side wall,
Connector inside bottom wall face is fixedly connected with centring disk 8 close to the upper surface of one end flat part of voice coil loudspeaker voice coil 6.
As another embodiment of connector 7, connector bottom wall is located at the bottom of connector side wall, connector
Inside bottom wall face is fixedly connected with centring disk 8 close to the lower surface of one end flat part of voice coil loudspeaker voice coil 6.
It will be appreciated by persons skilled in the art that connector side wall and the connection of connector bottom wall for connector 7
Mode, those skilled in the art can be according to the contour structures of the voice coil loudspeaker voice coil 6 and shell of reality so that centring disk 8 is determined on Z axis
Position determines;Those skilled in the art can also make the size design suitable for practical application according to actual conditions.
The bending part of centring disk 8 is arc.The arc fold bending portion of centring disk 8 can ensure that centring disk 8 is positioning
While with support voice coil loudspeaker voice coil 6, the vibration of voice coil loudspeaker voice coil 6 is not influenceed.
Length and the length phase in the connector inside bottom wall face of the centring disk 8 close to the flat part of one end of voice coil loudspeaker voice coil 6
Deng and completely fitting.Ensure that centring disk 8 can be bonded firm with connector bottom wall, realize support of the centring disk 8 to voice coil loudspeaker voice coil 6
And fixation.
What the word " on ", " under " in description orientation, "left", "right" etc. were for explanation used by herein facilitates base
For orientation in accompanying drawing shown in drawing, in actual device these orientation may due to device disposing way and
It is different.
It should be appreciated that above-described embodiment of the present utility model is only intended to clearly illustrate the act that the utility model is made
Example, and it is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, above-mentioned
It can also make other changes in different forms on the basis of explanation, all embodiments can not be given thoroughly here
Lift, it is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
Protection domain row.
Claims (10)
1. containing vibrational system and magnetic circuit system in a kind of acoustical generator, including shell, the shell, the vibrational system includes
Vibrating diaphragm and the voice coil loudspeaker voice coil being incorporated into below vibrating diaphragm, the acoustical generator also include centring disk, and one end of the centring disk passes through company
Fitting is fixedly connected with the lateral wall of voice coil loudspeaker voice coil, and the other end of the centring disk is fixedly connected with shell, it is characterised in that
The connector includes the connector side wall being connected with the lateral wall of the voice coil loudspeaker voice coil;
The connector side wall includes aperture portion.
A kind of 2. acoustical generator according to claim 1, it is characterised in that
Being shaped as the aperture portion is circular or square, and quantity is 2-3.
A kind of 3. acoustical generator according to claim 2, it is characterised in that
The ratio of the area of the area sum of the aperture portion and the connector side wall is not more than 1/3.
A kind of 4. acoustical generator according to claim 1, it is characterised in that
The connector also includes the connector bottom wall to be stretched out by connector side wall ends.
A kind of 5. acoustical generator according to claim 4, it is characterised in that
The connector inside bottom wall face is horizontal plane.
A kind of 6. acoustical generator according to claim 5, it is characterised in that
The centring disk includes bending part and the flat part positioned at bending part both ends, the ring of the bending part and the vibrating diaphragm
Bent to identical or opposite direction, the flat part at the bending part both ends is in same level.
A kind of 7. acoustical generator according to claim 6, it is characterised in that
The connector bottom wall is located at the top of connector side wall, and the connector inside bottom wall face and the centring disk are close
The upper surface of the flat part of one end of the voice coil loudspeaker voice coil is fixedly connected.
A kind of 8. acoustical generator according to claim 6, it is characterised in that
The connector bottom wall is located at the bottom of connector side wall, and the connector inside bottom wall face and the centring disk are close
The lower surface of the flat part of one end of the voice coil loudspeaker voice coil is fixedly connected.
A kind of 9. acoustical generator according to claim 7 or 8, it is characterised in that
The centring disk is close to the length of the flat part of one end of the voice coil loudspeaker voice coil and the length in the connector inside bottom wall face
Equal and complete fitting.
A kind of 10. acoustical generator according to claim 9, it is characterised in that
The bending part of the centring disk is arc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720608872.5U CN206851020U (en) | 2017-05-27 | 2017-05-27 | A kind of acoustical generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720608872.5U CN206851020U (en) | 2017-05-27 | 2017-05-27 | A kind of acoustical generator |
Publications (1)
Publication Number | Publication Date |
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CN206851020U true CN206851020U (en) | 2018-01-05 |
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ID=60798376
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CN201720608872.5U Expired - Fee Related CN206851020U (en) | 2017-05-27 | 2017-05-27 | A kind of acoustical generator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111131978A (en) * | 2018-10-30 | 2020-05-08 | 奥音科技(北京)有限公司 | Electrodynamic acoustic transducer with auxiliary support system |
-
2017
- 2017-05-27 CN CN201720608872.5U patent/CN206851020U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111131978A (en) * | 2018-10-30 | 2020-05-08 | 奥音科技(北京)有限公司 | Electrodynamic acoustic transducer with auxiliary support system |
CN111131978B (en) * | 2018-10-30 | 2021-12-17 | 奥音科技(北京)有限公司 | Electrodynamic acoustic transducer with auxiliary support system |
US11381921B2 (en) | 2018-10-30 | 2022-07-05 | Sound Solutions International Co., Ltd. | Electrodynamic acoustic transducer with improved suspension system |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20200527 |