CN207505133U - Loud speaker module and the electronic equipment using the loud speaker module - Google Patents
Loud speaker module and the electronic equipment using the loud speaker module Download PDFInfo
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- CN207505133U CN207505133U CN201721519511.XU CN201721519511U CN207505133U CN 207505133 U CN207505133 U CN 207505133U CN 201721519511 U CN201721519511 U CN 201721519511U CN 207505133 U CN207505133 U CN 207505133U
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- magnetic core
- loud speaker
- speaker module
- circle
- magnetic
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Abstract
The utility model provides a kind of loud speaker module and the electronic equipment using the loud speaker module, the loud speaker module includes vibration component, magnetic circuit component and bracket component, vibration component includes patch and vibrating diaphragm in magnetic sheet, magnetic circuit component includes upper magnetic core, lower magnetic core, consonant circle and keynote circle, bracket component includes upper bracket and lower bracket, consonant snare is located on magnetic core, upper magnetic core is fixed together with upper bracket, vibrating diaphragm is located in upper magnetic core and magnetic sheet between patch, patch is between vibrating diaphragm and lower magnetic core in magnetic sheet, lower magnetic core is fixed together with lower carriage, keynote snare is located on lower magnetic core, keynote circle connects identical electric signal source with consonant circle, vibration component and magnetic circuit component are housed in the accommodating cavity that upper bracket is surrounded with lower carriage.The utility model can solve in the prior art, because voice coil amplitude it is excessive when, the problem of voice coil and magnetic cup frictional impact lead to damaged voice coil, influence product acoustical behavior.
Description
Technical field
The utility model is related to acoustic equipment technical fields, more particularly to a kind of loud speaker module and use the loud speaker
The electronic equipment of module.
Background technology
Recently as the fast development of mobile communication technology, consumer is used with phonetic function just more and more
It takes formula electronic equipment, such as portable phone, handheld device, laptop and public or private communication can be passed through
The other equipment that network communicates.Microspeaker is the important acoustic element of portable electronic device, is widely used in hand
The portable devices such as mechanical, electrical brain, tablet are a kind of energy conversion devices for completing the conversion of electric signal and acoustical signal, packet
Include stent and the vibrational system being housed in stent and magnetic circuit system.
Traditional loud speaker is moving-coil type, and operation principle (physical principle) is the audio electrical signal feed-in voice coil of variation,
Voice coil is placed in the magnetic gap of a magnetic circuit, and voice coil is due to the driving of the electromagnetic force changed caused by the electric current of variation
Up-down vibration, and air before and after vibrating membrane driving is driven, generate sound wave.
Coil-moving speaker power is larger, and oscillator intensity is also taught greatly, therefore, higher to the quality requirement of voice coil in production,
In aging and test process, due to processing procedure and material etc., the fatigue strength of voice coil leads is inadequate, leads to what lead broke
Phenomenon occurs often, although there is the mode of note buffering adhesive to go to alleviate the above problem on processing procedure, voice coil disconnection problem can not still be kept away
Exempt from, separately also have the problem of voice coil causes abnormal sound bad with magnetic cup frictional impact also often to occur, the final acoustics for influencing loud speaker
Performance.
Utility model content
In view of above-mentioned condition, it is necessary to which a kind of loud speaker module and the electronic equipment using the loud speaker module, solution are provided
The tone-off and the problem of bad abnormal sound certainly caused by voice coil breaks and wipes circle.
The one side of the utility model provides a kind of loud speaker module, including vibration component, magnetic circuit component and bracket component,
The vibration component includes patch and vibrating diaphragm in magnetic sheet, and the magnetic circuit component includes upper magnetic core, lower magnetic core, consonant circle and keynote circle,
The bracket component includes upper bracket and lower bracket, and the consonant snare is located on the upper magnetic core, the upper magnetic core with it is described
Upper bracket is fixed together, and the vibrating diaphragm is located in the upper magnetic core and the magnetic sheet between patch, and patch is located at institute in the magnetic sheet
It states between vibrating diaphragm and the lower magnetic core, the lower magnetic core is fixed together with the lower carriage, and the keynote snare is located at described
On lower magnetic core, the keynote circle connects identical electric signal source, the vibration component and the magnetic circuit component with the consonant circle
It is housed in the accommodating cavity that the upper bracket is surrounded with the lower carriage.
According to above-mentioned loud speaker module, since consonant snare is located on upper magnetic core, and upper magnetic core is fixed on one with upper bracket
It rises, keynote snare is located on lower magnetic core, and lower magnetic core is fixed together with lower carriage, therefore, in the entire of the loud speaker module
During transducing, keynote circle and consonant circle will not move, and only paste and move in vibrating diaphragm and magnetic sheet, therefore there is no keynote circles and auxiliary
Voice coil disconnection problem caused by vibration is excessive has effectively prevented the tone-off caused by voice coil breaks and wipes circle in the prior art
With abnormal sound it is bad the problem of.
In addition, the utility model proposes loud speaker module, can also have following additional technical characteristic：
Further, if the upper bracket is equipped with a acoustic aperture.
Further, if the lower carriage is equipped with a acoustic aperture.
Further, the consonant circle is set in by the way of glued on the upper magnetic core.
Further, the upper magnetic core and the upper bracket are glued or inlay together.
Further, the upper magnetic core and the lower magnetic core are made of soft magnet material.
Further, patch is permanent magnet in the magnetic sheet.
Further, the keynote circle is set in by the way of glued on the lower magnetic core.
Further, it is described solid if the lower carriage is equipped with a fixed column if the upper bracket is equipped with a mounting hole
The quantity for determining hole and the fixed column is equal and position corresponds to, and the fixed column of the mounting hole and corresponding position is glued.
The another aspect of the utility model provides a kind of electronic equipment using above-mentioned loud speaker module, since the electronics is set
It is standby to employ above-mentioned loud speaker module, therefore be not in the tone-off and abnormal sound is undesirable asks caused by voice coil breaks and wipes circle
Topic.
Description of the drawings
Fig. 1 is the configuration schematic diagram of loud speaker module that the utility model first embodiment provides；
Fig. 2 is the combining structure schematic diagram of Fig. 1.
Specific embodiment
Above-mentioned purpose, feature and advantage to enable the utility model are more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Several embodiments of the utility model are given in attached drawing.But this
Utility model can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, provide these
The purpose of embodiment is the disclosure more thorough and comprehensive made to the utility model.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", " on ", " under " and similar statement for illustrative purposes only rather than instruction or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.Term as used herein " and/or " including one or more relevant Listed Items
Arbitrary and all combination.
Please refer to Fig.1 and Fig. 2, the loud speaker module 100 that the utility model first embodiment provides, including vibration component,
Magnetic circuit component and bracket component.
Wherein, bracket component includes upper bracket 301 and lower carriage 302.The vibration component and magnetic circuit component receiving
In the accommodating cavity surrounded in the upper bracket 301 and the lower carriage 302.Support is entire jointly with lower carriage 302 for upper bracket 301
Loud speaker module 100, upper bracket 301 and lower carriage 302 by metal or nonmetallic can be made.
As an alternative embodiment, if the upper bracket 301 is equipped with a mounting hole 3011, the lower carriage
If 302 are equipped with a fixed column 3021, the mounting hole 3011 is equal with the quantity of the fixed column 3021 and position corresponds to, institute
It states mounting hole 3011 and the fixed column 3021 of corresponding position is glued.It should be understood that in other implementations of the utility model
In example, upper bracket 301 and lower carriage 302 can also be inlayed or be linked together by way of bolt.
In addition, in the present embodiment, there are several acoustic aperture 3012 on the upper bracket 301, if also being provided on the lower carriage 302
A acoustic aperture, for facilitating sound transmission, the quantity of acoustic aperture can be identical with the quantity of acoustic aperture on lower carriage 302 on upper bracket 301,
It can also be different, be not limited herein.
Vibration component includes patch 203 and vibrating diaphragm 103 in magnetic sheet.
Magnetic circuit component includes upper magnetic core 201, lower magnetic core 202, consonant circle 101, keynote circle 102, wherein, the upper magnetic core
201 and the lower magnetic core 202 be made of soft magnet material.Patch 203 is permanent magnet in the magnetic sheet.203 tool of patch in magnetic sheet
Body with paper pulp can be mixed or be made of frivolous permanent magnet sheet metal by magnetic powder.
Wherein, the consonant circle 101 is set on the upper magnetic core 201, specifically in the present embodiment, the consonant circle
101 are set in by the way of glued on the upper magnetic core 202.The concrete structure of consonant circle 101 can be similar with existing voice coil,
The consonant circle 101 and the keynote circle 102 connect identical electric signal source.Consonant circle 101 makes up keynote circle 102 for auxiliary
Inductance magnetic force.
The upper magnetic core 201 is fixed together with the upper bracket 301, specifically, the upper magnetic core 201 and the upper branch
Frame 301 is glued together.In the other embodiments of the utility model, upper magnetic core 201 can also be molded the mode inlayed and fix
In the center of upper bracket 301.Wherein, the effect of upper magnetic core 201 is to enhance the inductance intensity of consonant circle 101, i.e. consonant circle
101st, keynote circle 102 is powered, and upper magnetic core 201 and lower 202 magnetic conduction of magnetic core, consonant circle 101, keynote circle 102 power off, upper magnetic core 201
It disappears with lower 202 magnetic force of magnetic core.
The vibrating diaphragm 103 is located in the upper magnetic core 201 and the magnetic sheet between patch 203, specifically, vibrating diaphragm 103 can be with
It is fixed between upper bracket 301 and lower carriage 302 with glue.
Patch 203 is between the vibrating diaphragm 103 and the lower magnetic core 202 in the magnetic sheet, specifically, pasting 203 in magnetic sheet
The center of vibrating diaphragm 103 can be glued at glue.
The lower magnetic core 202 is fixed together with the lower carriage 302, in the other embodiments of the utility model, under
Magnetic core 202 can also be molded the center that the mode inlayed is fixed on lower carriage 302.
The keynote circle 102 is set on the lower magnetic core 202, specifically, the keynote circle 102 is by the way of glued
It is set on the lower magnetic core 202.
The keynote circle 102 and the consonant circle 101 connect identical electric signal source.
The operation principle of the loud speaker module 100 of the present embodiment is different from existing coil-moving speaker operation principle.It passes
The physical principle of system coil-moving speaker is switched on conductor and is acted on (left hand rule) by power in magnetic field.And the present embodiment
The physical principle of loud speaker module 100 is：(1) hot-wire coil can generate magnetic field (right-hand rule) (2) magnetic pole identical charges repel each other, different
Property is attracting.Concrete operating principle is：When consonant circle 101 and keynote circle 102 are powered, magnetic field force in the same direction is generated, with vibrating diaphragm 103, magnetic
203 interaction of patch in piece if the magnetic field force of keynote circle 102 attracts patch 203 in magnetic sheet, then assists voice coil 101 in magnetic sheet
Patch 203 is repelled, and the power in magnetic sheet suffered by patch 203 is the sum of two power, and vice versa.The continuous variation of electric signal, 101 He of consonant circle
The magnetic field force of keynote circle 102 also constantly changes, and acts in magnetic sheet and generates round-trip vibration in patch 203, final to push air hair
Sound completes the conversion of electroacoustic energy.
According to above-mentioned loud speaker module 100, since consonant circle 101 is set on upper magnetic core 201, and upper magnetic core 201 with it is upper
Stent 301 is fixed together, and keynote circle 102 is set on lower magnetic core 202, and lower magnetic core 202 is fixed on one with lower carriage 302
It rises, therefore, during the entire transducing of the loud speaker module 100, keynote circle 102 and consonant circle 101 will not move, and only shake
Film 103 and 203 movement of patch in magnetic sheet, therefore break caused by vibration is excessive there is no keynote circle 102 and consonant circle 101 and ask
Topic has effectively prevented the tone-off and the problem of bad abnormal sound caused by voice coil breaks and wipes circle in the prior art.
The utility model second embodiment provides a kind of electronic equipment, which includes at least above-mentioned loud speaker mould
Group 100.Be not in be made because voice coil breaks and wipes circle since the electronic equipment employs above-mentioned loud speaker module 100
Into tone-off and the problem of bad abnormal sound.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of loud speaker module, including vibration component, magnetic circuit component and bracket component, which is characterized in that the vibration component
Including patch and vibrating diaphragm in magnetic sheet, the magnetic circuit component includes upper magnetic core, lower magnetic core, consonant circle and keynote circle, the bracket component
Including upper bracket and lower bracket, the consonant snare is located on the upper magnetic core, and the upper magnetic core is fixed on the upper bracket
Together, the vibrating diaphragm be located in the upper magnetic core and the magnetic sheet paste between, in the magnetic sheet patch be located at the vibrating diaphragm with it is described
Between lower magnetic core, the lower magnetic core is fixed together with the lower carriage, and the keynote snare is located on the lower magnetic core, described
Keynote circle connects identical electric signal source with the consonant circle, and the vibration component and the magnetic circuit component are housed in the upper branch
In the accommodating cavity that frame is surrounded with the lower carriage.
2. loud speaker module according to claim 1, which is characterized in that if the upper bracket is equipped with a acoustic aperture.
3. loud speaker module according to claim 1, which is characterized in that if the lower carriage is equipped with a acoustic aperture.
4. loud speaker module according to claim 3, which is characterized in that the consonant circle is set in by the way of glued
On the upper magnetic core.
5. loud speaker module according to claim 3, which is characterized in that the upper magnetic core and upper bracket gluing or edge
Embedded in together.
6. loud speaker module according to claim 3, which is characterized in that the upper magnetic core and the lower magnetic core are using soft
Magnet material is made.
7. loud speaker module according to claim 2, which is characterized in that patch is permanent magnet in the magnetic sheet.
8. loud speaker module according to claim 1, which is characterized in that the keynote circle is set in by the way of glued
On the lower magnetic core.
9. loud speaker module according to claim 1, which is characterized in that if the upper bracket is equipped with a mounting hole, institute
If stating lower carriage equipped with a fixed column, the quantity of the mounting hole and the fixed column is equal and position corresponds to, the fixation
The fixed column of hole and corresponding position is glued.
10. a kind of electronic equipment, which is characterized in that including the loud speaker module described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519511.XU CN207505133U (en) | 2017-11-15 | 2017-11-15 | Loud speaker module and the electronic equipment using the loud speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519511.XU CN207505133U (en) | 2017-11-15 | 2017-11-15 | Loud speaker module and the electronic equipment using the loud speaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207505133U true CN207505133U (en) | 2018-06-15 |
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ID=62504067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721519511.XU Active CN207505133U (en) | 2017-11-15 | 2017-11-15 | Loud speaker module and the electronic equipment using the loud speaker module |
Country Status (1)
| Country | Link |
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| CN (1) | CN207505133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856087A (en) * | 2019-11-25 | 2020-02-28 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN113099361A (en) * | 2020-01-09 | 2021-07-09 | 北京小米移动软件有限公司 | Loudspeaker, audio module and terminal equipment |
-
2017
- 2017-11-15 CN CN201721519511.XU patent/CN207505133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856087A (en) * | 2019-11-25 | 2020-02-28 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN113099361A (en) * | 2020-01-09 | 2021-07-09 | 北京小米移动软件有限公司 | Loudspeaker, audio module and terminal equipment |
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