CN207531069U - A kind of acoustic-electric conversion equipment and mobile terminal - Google Patents
A kind of acoustic-electric conversion equipment and mobile terminal Download PDFInfo
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- CN207531069U CN207531069U CN201721561746.5U CN201721561746U CN207531069U CN 207531069 U CN207531069 U CN 207531069U CN 201721561746 U CN201721561746 U CN 201721561746U CN 207531069 U CN207531069 U CN 207531069U
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- acoustic
- conversion equipment
- electric conversion
- voice coil
- vibrating diaphragm
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Abstract
The utility model provides a kind of acoustic-electric conversion equipment, and applied to mobile terminal, acoustic-electric conversion equipment includes：Voice coil, vibrating diaphragm, magnetite and yoke, vibrating diaphragm are equipped with the ring-shaped groove around magnetite；In magnetic gap of the ring-shaped groove between magnetite and yoke；Voice coil is inlaid in ring-shaped groove.Voice coil is inlaid in the ring-shaped groove of vibrating diaphragm by the utility model, it avoids being bonded using glue so that the influence of the sensitivity of vibrating diaphragm no longer acceptor center glue improves the sensitivity of vibrating diaphragm, also so that the type selecting of vibrating diaphragm material is more extensive, audio performance can be preferably promoted.
Description
Technical field
The utility model is related to field of mobile terminals more particularly to a kind of acoustic-electric conversion equipments and mobile terminal.
Background technology
With the progress of electronics techniques, these electric signals of coil-moving speaker, receiver and microphone and sound
The conversion equipment of signal is widely used in each class of electronic devices.
Fig. 1 gives the sectional view of coil-moving speaker common at present, it is illustrated that includes realizing electric signal and acoustical signal
The part of conversion --- voice coil 10 and vibrating diaphragm 11, the two generally use central glue 12 bond together.For receiver and
Microphone also uses identical connection mode.
However, applicant has found that there are following deficiencies in the above-mentioned acoustic-electric conversion equipment of practical application：It raises one's voice for miniature
Device (or receiver or microphone), it is difficult to which the dosage of control centre's glue, easy excessive glue influence the sensitivity of diaphragm；Central glue is done
There are certain shrinking percentages after dry, easily pull diaphragm, influence the sensitivity of diaphragm；The use of central glue constrains diaphragm and glue
The type selecting of water material limits the promotion of audio performance.In addition, process for dispensing glue and equipment also reduce production efficiency, increase
Manufacture cost.
Utility model content
The utility model provides a kind of acoustic-electric conversion equipment and mobile terminal, mainly solves center glue sticking in the prior art
Voice coil and vibrating diaphragm lead to the problem of diaphragm sensitivity is weaker and diaphragm material type selecting is limited.
It is according to the present utility model in a first aspect, providing a kind of acoustic-electric conversion equipment, applied to mobile terminal, the sound
Electrical switching device includes：Voice coil, vibrating diaphragm, magnetite and yoke,
The vibrating diaphragm is equipped with the ring-shaped groove around the magnetite；
In magnetic gap of the ring-shaped groove between the magnetite and the yoke；
The voice coil is inlaid in the ring-shaped groove.
Second aspect according to the present utility model provides a kind of mobile terminal, and it is new that the mobile terminal includes this practicality
Acoustic-electric conversion equipment described in the first aspect of type.
Compared with prior art, the utility model has at least the following advantages：A kind of acoustic-electric provided by the utility model turns
Changing device and mobile terminal do not use center glue sticking vibrating diaphragm and voice coil, so that the sensitivity of vibrating diaphragm is not
The influence of acceptor center glue again improves the sensitivity of vibrating diaphragm, can preferably promote audio performance.
Description of the drawings
It, below will be to the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of the utility model sectional view of acoustic-electric conversion equipment in the prior art；
Fig. 2 is a kind of sectional view of acoustic-electric conversion equipment in the utility model embodiment；
Fig. 3 is the schematic diagram of another acoustic-electric conversion equipment in the utility model embodiment.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is the implementation of the utility model part of the embodiment rather than whole
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of acoustic-electric conversion equipment that the utility model embodiment provides is applied to a kind of mobile terminal, and mobile terminal can be with
For smart mobile phone, computer, multimedia player, electronic reader, wearable device etc..
A kind of acoustic-electric conversion equipment provided by the utility model and shifting is discussed in detail below by specific embodiment is enumerated
Dynamic terminal.
With reference to Fig. 2, the utility model provides a kind of acoustic-electric conversion equipment applied to mobile terminal, acoustic-electric conversion equipment
Including：Voice coil 20, vibrating diaphragm 21, magnetite 22 and yoke 23,
Vibrating diaphragm 21 is equipped with the ring-shaped groove 211 around magnetite 22；
In magnetic gap of the ring-shaped groove 211 between magnetite 22 and yoke 23；Voice coil 20 is inlaid in ring-shaped groove 211.
Wherein, gap of the magnetic gap between magnetite and yoke, the magnetic induction line in magnetic field are distributed in the gap wherein.When voice coil is put
After putting in the magnetic gap, based on electromagnetic theory, diaphragm oscillations are driven after the voice coil stress being located therein.
Specifically, acoustic-electric conversion equipment includes：Voice coil 20, vibrating diaphragm 21, magnetite 22 and yoke 23, vibrating diaphragm 21
It is equipped with the ring-shaped groove 211 around magnetite 22；In magnetic gap of the ring-shaped groove 211 between magnetite 22 and yoke 23；Voice coil
20 are inlaid in ring-shaped groove 211.Thus, support lives voice coil 20 to ring-shaped groove 211 naturally, and without as tradition side
Formula uses center glue sticking like that.
A kind of acoustic-electric conversion equipment and mobile terminal provided by the utility model, do not use center glue sticking vibrating diaphragm
It, can be more so that the influence of the sensitivity of vibrating diaphragm no longer acceptor center glue, improves the sensitivity of vibrating diaphragm with voice coil
Promote audio performance well.
Optionally, voice coil 20 is integrated the structure of encapsulation with vibrating diaphragm 21.
Specifically, when manufacturing vibrating diaphragm 21, the voice coil 20 that coiling is completed can be placed together with vibrating diaphragm 21
In mold, while ring-shaped groove 211 are formed, voice coil 20 and vibrating diaphragm 21 are fabricated to the structure of integral packaging, energy
The compactness combined both is effectively ensured, ensures being synchronized with the movement for voice coil and vibrating diaphragm, ensures audio quality.
Optionally, with reference to Fig. 3, the width W1 of ring-shaped groove 211 is equal with the thickness W2 of voice coil 20, ring-shaped groove 211
Depth L1 is equal with the height L2 of voice coil 20.
Specifically, with reference to Fig. 3, to ensure voice coil 20 and the compactness of the assembling of ring-shaped groove 211, it need to ensure ring-shaped groove
211 width W1 is equal with the thickness W2 of voice coil 20, and the depth L1 of ring-shaped groove 211 is equal with the height L2 of voice coil 20.
Optionally, the lead of voice coil 20 is attached on the first surface of vibrating diaphragm 21, wherein, the first surface is shakes
One side of the dynamic diaphragm 21 far from magnetite 22.
Specifically, after vibrating diaphragm 21 employs 211 structure type equipped with ring-shaped groove, it is inlaid in ring-shaped groove
The lead of voice coil 20 in 211 correspondingly adheres to along one side of the vibrating diaphragm 21 far from magnetite 22 and is laid with, is connected to terminals
Son.It is, of course, also possible to by setting tiny through-hole on vibrating diaphragm so that the lead of voice coil 20 passes through, lead is laid on
Close to the one side of magnetite 22.
Optionally, with reference to Fig. 3, protective film 24 is also covered on first surface, lead is arranged on vibrating diaphragm 21 and protection
Between film 24.
Specifically, with reference to Fig. 3 (to clearly show that, the other structures in Fig. 2 are omitted), annular is inlaid in voice coil 20
After in groove 211, protective film 24 is also covered on the first surface of vibrating diaphragm 21, at this point, the lead of voice coil 20 can be set
It puts between vibrating diaphragm 21 and protective film 24.On the one hand, protective film effectively prevent voice coil to come off from ring-shaped groove dropping out, separately
On the one hand, protective film can play the effect of anchor leg.
Optionally, vibrating diaphragm 21 is equipped with ups and downs texture.
Specifically, the textures such as round line, sun line and water ripples, various decorative patterns can also be set on vibrating diaphragm 21
It can play the role of reinforcing rib, the rigidity of vibrating diaphragm can be increased and expand the effective radiating area of vibrating diaphragm.
Optionally, acoustic-electric conversion equipment is one kind in loud speaker, receiver and microphone.
Specifically, the acoustic-electric conversion equipment of the utility model meaning be by acoustical signal be converted to electric signal device or
Convert electrical signals to the device of acoustical signal.The one kind being specifically as follows in loud speaker, receiver and microphone.
Optionally, the material of voice coil 20 is copper wire or aluminum steel, and the wire rod appearance of voice coil 20 is coated with enamel-cover layer.
Specifically, can be copper wire or aluminum steel for the material of voice coil 20, enamel-cover layer be coated in the appearance of wire rod to reach
To the effect of insulation.
Optionally, vibrating diaphragm 21 is in plastic film, metallic membrane, wooden diaphragm, biological diaphragm and papery diaphragm
It is a kind of.
Specifically, the use that the utility model has abandoned central glue is based on, thus the type selecting model of vibrating diaphragm 21
It encloses more extensively, can be one kind in plastic film, metallic membrane, wooden diaphragm, biological diaphragm and papery diaphragm.Certainly,
Multiple material can also be used to be combined, the utility model is without limitation.
In addition, the utility model embodiment additionally provides a kind of mobile terminal, above-mentioned acoustic-electric is installed in the terminal
Conversion equipment, mobile terminal are the equipment such as smart mobile phone, computer, multimedia player, electronic reader, wearable device.
A kind of acoustic-electric conversion equipment and mobile terminal provided by the utility model, do not use center glue sticking vibrating diaphragm
It, can be more so that the influence of the sensitivity of vibrating diaphragm no longer acceptor center glue, improves the sensitivity of vibrating diaphragm with voice coil
Audio performance is promoted well, additionally so that the type selecting of vibrating diaphragm material is more extensive, is contributed to process simplification, is improved
Production efficiency reduces production cost.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements are not only wrapped
Those elements are included, but also including other elements that are not explicitly listed or are further included as this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, it is wanted by what sentence "including a ..." limited
Element, it is not excluded that also there are other identical elements in the process including the element, method, article or terminal device.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of acoustic-electric conversion equipment, applied to mobile terminal, the acoustic-electric conversion equipment includes：Voice coil, vibrating diaphragm, magnetite
And yoke, which is characterized in that
The vibrating diaphragm is equipped with the ring-shaped groove around the magnetite；
In magnetic gap of the ring-shaped groove between the magnetite and the yoke；
The voice coil is inlaid in the ring-shaped groove.
2. acoustic-electric conversion equipment according to claim 1, which is characterized in that the voice coil is integrated with the vibrating diaphragm
The structure of encapsulation.
3. acoustic-electric conversion equipment according to claim 1, which is characterized in that the width of the ring-shaped groove and the voice coil
Thickness it is equal, the depth of the ring-shaped groove is equal with the height of the voice coil.
4. acoustic-electric conversion equipment according to claim 1, which is characterized in that the lead of the voice coil is attached to the vibration
On the first surface of diaphragm, wherein, the first surface is one side of the vibrating diaphragm far from the magnetite.
5. acoustic-electric conversion equipment according to claim 4, which is characterized in that be also covered with protecting on the first surface
Film, the lead are arranged between the vibrating diaphragm and the protective film.
6. acoustic-electric conversion equipment according to claim 1, which is characterized in that the vibrating diaphragm is equipped with ups and downs line
Reason.
7. acoustic-electric conversion equipment according to claim 1, which is characterized in that the acoustic-electric conversion equipment for loud speaker, by
Talk about one kind in device and microphone.
8. acoustic-electric conversion equipment according to claim 1, which is characterized in that the material of the voice coil be copper wire or aluminum steel,
The wire rod appearance of the voice coil is coated with enamel-cover layer.
9. acoustic-electric conversion equipment according to claim 1, which is characterized in that the vibrating diaphragm is plastic film, metal
One kind in diaphragm, wooden diaphragm, biological diaphragm and papery diaphragm.
10. a kind of mobile terminal, which is characterized in that the mobile terminal includes any acoustic-electric conversions of claim 1-9
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561746.5U CN207531069U (en) | 2017-11-16 | 2017-11-16 | A kind of acoustic-electric conversion equipment and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721561746.5U CN207531069U (en) | 2017-11-16 | 2017-11-16 | A kind of acoustic-electric conversion equipment and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207531069U true CN207531069U (en) | 2018-06-22 |
Family
ID=62579701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721561746.5U Active CN207531069U (en) | 2017-11-16 | 2017-11-16 | A kind of acoustic-electric conversion equipment and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207531069U (en) |
-
2017
- 2017-11-16 CN CN201721561746.5U patent/CN207531069U/en active Active
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