CN107426656A - Electroacoustic component, electroacoustic device and mobile terminal - Google Patents
Electroacoustic component, electroacoustic device and mobile terminal Download PDFInfo
- Publication number
- CN107426656A CN107426656A CN201710806481.9A CN201710806481A CN107426656A CN 107426656 A CN107426656 A CN 107426656A CN 201710806481 A CN201710806481 A CN 201710806481A CN 107426656 A CN107426656 A CN 107426656A
- Authority
- CN
- China
- Prior art keywords
- actuator
- electroacoustic component
- loudspeaker monomer
- vibrating diaphragm
- electroacoustic
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of electroacoustic component, including loudspeaker monomer and box body, the loudspeaker monomer is contained in the box body, sound chamber after being formed between the loudspeaker monomer and the box body, the loudspeaker monomer includes side wall, cover plate and vibrating diaphragm, multiple side walls, which join end to end, surrounds framework, the relative both ends that the cover plate and the vibrating diaphragm are individually fixed in the framework form the sounding chamber of the loudspeaker monomer, the vibrating diaphragm is fixedly attached to the box body, so that the loudspeaker monomer is hung in the box body, the cover plate is provided with windowing and connects the sounding chamber and the rear sound chamber, and the windowing separates the cover plate at least two parts.The present invention also disclosed a kind of electroacoustic device and mobile terminal.So as to which the size to open a window in one direction is reached into maximum, that is, the size of windowing, increase gas disengaging sounding chamber and rear sound chamber speed are increased, the tone quality improving effect of electroacoustic component is lifted, improves Consumer's Experience.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly, to a kind of electroacoustic component, electroacoustic device and mobile terminal.
Background technology
As the application of mobile terminal product is more and more extensive, tonequality of the user to the sounding of the electroacoustic component of mobile terminal
Effect also requires more and more higher.The electroacoustic component of current most of mobile terminal product all connects the rear sound of sounding chamber by setting
Chamber improves the vibrating effect of electroacoustic component, so as to improve tonequality, is connected between sounding chamber and rear sound chamber by leak, leaks
The size in hole determines flow rate of the gas between rear sound chamber and sounding chamber, and flow rate is higher, and rear sound chamber is to sounding chamber
Tone quality improving effect it is better.In the prior art, connected between rear sound chamber and sounding chamber by leak, leak size compared with
It is small, the gas exchange rate between rear sound chamber and sounding chamber is limited, causes the tone quality improving DeGrain of electroacoustic component, electricity
The tonequality of sound component is poor, influences Consumer's Experience.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of electroacoustic component, electroacoustic device and mobile terminal, to solve
The tone quality improving DeGrain of electroacoustic component in the prior art, the problem of influenceing Consumer's Experience.
In order to solve the above technical problems, the present invention provides a kind of electroacoustic component, including loudspeaker monomer and box body, it is described to raise
Sound device monomer is contained in the box body, sound chamber after being formed between the loudspeaker monomer and the box body, the loudspeaker list
Body includes side wall, cover plate and vibrating diaphragm, and multiple side walls, which join end to end, surrounds framework, and the cover plate and the vibrating diaphragm are fixed respectively
The sounding chamber of the loudspeaker monomer is formed in the relative both ends of the framework, the vibrating diaphragm is fixedly attached to the box body,
So that the loudspeaker monomer is hung in the box body, the cover plate is provided with windowing and connects the sounding chamber and the rear sound
Chamber, and the windowing separates the cover plate at least two parts.
In a kind of embodiment, the side wall includes the first side wall of a pair of opposing, and the windowing runs through a pair of institutes
State the first side wall.
In a kind of embodiment, the first side wall is provided with opening, sounding chamber described in the open communication and the rear sound
Chamber, and the opening connects with the windowing.
In a kind of embodiment, the windowing includes the first internal face, and the opening includes a pair of second internal faces, described
First internal face flushes with second internal face.
In a kind of embodiment, the side wall also includes the second sidewall of a pair of opposing, a pair of second sidewalls
It is connected between a pair of the first side walls, the second sidewall includes the second inner surface positioned at the sounding intracavitary, described
Second inner surface flushes with second internal face.
In a kind of embodiment, the loudspeaker monomer also includes the first actuator and the second actuator, and described first drives
Moving part is fixed on the sounding intracavitary, and second actuator is fixed on the vibrating diaphragm, and second actuator is used for relative institute
The vibration of the first actuator is stated, to drive the diaphragm oscillations sounding.
In a kind of embodiment, second actuator is coil, and first actuator is magnet.
In a kind of embodiment, first actuator includes the first magnet and the second magnet, and first magnet is fixed
In in the side wall, second magnet is fixed on the cover plate, and second actuator is located at first magnet and institute
State between the second magnet.
In a kind of embodiment, the windowing separates the cover plate and forms at least two, and second magnet frame is located at institute
State.
In a kind of embodiment, support rod is provided between the sub- cover plate, the support bar is used to stablize the framework.
In a kind of embodiment, the vibrating diaphragm is provided with fold between periphery and geometric center, and the fold shakes described in
The circumferentially extending of film, second actuator are fixedly attached to the fold.
In a kind of embodiment, the box body includes the bottom plate that top plate and relatively described top plate are set, and is fixed on institute
The side plate between top plate and the bottom plate is stated, the vibrating diaphragm is connected to the top plate, and the side plate is big to the distance of the framework
Distance in the bottom plate to the framework.
In a kind of embodiment, the electroacoustic component also includes sound absorption particle, the particles filled sound after described of sound absorption
Chamber.
In a kind of embodiment, the electroacoustic component also includes screen cloth, and the screen cloth is located at the rear sound intracavitary, the sieve
The edge of net is fixed in the side wall, and the screen cloth covering windowing and the opening.
In a kind of embodiment, the side wall is additionally provided with leak, the leak connect the sounding chamber with it is described after
Sound chamber.
In a kind of embodiment, the vibrating diaphragm is papery, Fiber Materials, metal material, wool material or silk material.
The present invention also provides a kind of electroacoustic device, and the electroacoustic device includes drive circuit and one electricity of any of the above
Sound component, the drive circuit are electrically connected to the loudspeaker monomer, and control the loudspeaker monomer vibration sounding.
In a kind of embodiment, the loudspeaker monomer also includes vibrating diaphragm and the second actuator, and the periphery of the vibrating diaphragm is consolidated
Surely the framework is connected to, second actuator is fixed on the vibrating diaphragm, and the drive circuit is electrically connected to described second and driven
Moving part, the drive circuit control the relatively described first actuator vibration of second actuator.
The present invention also provides a kind of mobile terminal, including the electroacoustic device described in any of the above one.
In a kind of embodiment, the mobile terminal also includes housing and mainboard, and the mainboard is fixed in the housing,
The drive circuit is integrated on the mainboard.
Beneficial effects of the present invention are as follows：Loudspeaker monomer is hung in box body, and is set in the bottom of loudspeaker monomer
Windowing connection sounding chamber and rear sound chamber, open a window the cover plate cut-off of loudspeaker monomer bottom, so as to open a window in one direction
Size reach maximum, that is, increase the size of windowing, increase gas disengaging sounding chamber and rear sound chamber speed, lift electroacoustic component
Tone quality improving effect, improve Consumer's Experience.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other obvious modes of texturing are obtained according to these accompanying drawings.
Fig. 1 is the schematic cross-section of the loudspeaker monomer for the electroacoustic component that the embodiment of the present invention one provides.
Fig. 2 is the schematic cross-section for the electroacoustic component that the embodiment of the present invention one provides.
Fig. 3 is the part-structure schematic diagram in the A directions for the loudspeaker monomer that the embodiment of the present invention one provides.
Fig. 4 and Fig. 5 is the part-structure schematic diagram for the loudspeaker monomer that the embodiment of the present invention one provides.
Fig. 6 is the operating diagram for the electroacoustic component that the embodiment of the present invention one provides.
Fig. 7 is a kind of schematic diagram of the embodiment for the loudspeaker monomer that the embodiment of the present invention one provides.
Fig. 8 is the part-structure schematic diagram in the A directions for the loudspeaker monomer that the embodiment of the present invention two provides.
Fig. 9 and Figure 10 is the part-structure schematic diagram for the loudspeaker monomer that the embodiment of the present invention two provides.
Figure 11 is the part-structure schematic diagram in the A directions for the loudspeaker monomer that the embodiment of the present invention three provides.
Figure 12 and Figure 13 is the part-structure schematic diagram for the loudspeaker monomer that the embodiment of the present invention three provides.
Figure 14 is the structural representation of electroacoustic device provided in an embodiment of the present invention.
Figure 15 is the structural representation of mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Also referring to Fig. 1, Fig. 2 and Fig. 3, the electroacoustic component 100 that the embodiment of the present invention one provides includes loudspeaker monomer
10 and box body 14, loudspeaker monomer 10 be contained in box body 14, between loudspeaker monomer 10 and box body 14 formed after sound chamber 1400,
Loudspeaker monomer 10 includes side wall 12, cover plate 60 and vibrating diaphragm 70, and multiple side walls 12, which join end to end, surrounds framework, cover plate 60 and vibrating diaphragm
The 70 relative both ends for being individually fixed in framework form the sounding chamber 1000 of loudspeaker monomer 10, and vibrating diaphragm 70 is fixedly attached to box body
14, specifically, box body 14 includes the bottom plate 146 that top plate 142 and relative top plate 142 are set, and it is fixed on top plate 142 and bottom plate
Side plate 144 between 146, sound chamber 1400 after being formed between top plate 142, side plate 144, bottom plate 146 and side wall 12, the side of vibrating diaphragm 70
Edge is abutted in a manner of pasting or welding etc., is fixed on top plate 142.Loudspeaker monomer 10 is located at the side table inside sounding chamber 1000
Face is fixedly connected with side wall 12 by the mode such as pasting or welding, so that loudspeaker monomer 10 is hung in box body 14.
Cover plate 60 is provided with the connection sounding of windowing 90 chamber 1000 and rear sound chamber 1400, and windowing 90 separates into cover plate 60 extremely
Few two parts.Specifically, with reference to Fig. 3 to Fig. 5, in the present embodiment, side wall 12 includes the first side wall 12a of a pair of opposing
The framework for surrounding rectangle is sequentially connected with the second sidewall 12b of a pair of opposing, the first side wall 12a and second sidewall 12b, is covered
Plate 60 and vibrating diaphragm 70 are covered on the both sides of framework respectively, so that loudspeaker monomer 10 forms six faces and is equipped with the hexahedron blocked
Structure.Windowing 90 is formed by modes such as cuttings, and in a kind of embodiment, windowing 90 is the structures of strip, and cover plate 60 passes through
Windowing 90 is formed after cutting, cover plate 60 is truncated into two parts by windowing 90, and opens a window 90 by positioned at a pair of the both ends of cover plate 60
The first side wall 12a is formed there through breach.With reference to Fig. 6, Fig. 6 is the flow path of gas, and gas can be with passage path L1 and path
L2 is circulated between sounding chamber 1000 and rear sound chamber 1400.After 90s, the loudspeaker monomer that opens a window is formed specifically, being cut in cover plate 60
10 bottom connects with rear sound chamber 1400, so as to form path L1 in the bottom of loudspeaker monomer 10, further, connects a pair
The first side wall 12a forms first direction L, and windowing 90 is blocked cover plate 60, that is, the size for 90 L in a first direction that open a window reaches most
Greatly, so as to maximize the size of windowing 90, increase gas passes in and out sounding chamber 1000 and the rear speed of sound chamber 1400；Windowing 90 is by first
Side wall 12a is formed there through breach, and the side of loudspeaker monomer 10 connects with rear sound chamber 1400, so as in the side of loudspeaker monomer 10
Face forms path L2, path L2 and path L1 and connects sounding chamber 1000 and rear sound chamber 1400, increases sounding in the unit interval
Enter gas output between chamber 1000 and rear sound chamber 1400, the tone quality improving effect of lifting electroacoustic component 100, improve Consumer's Experience.
Loudspeaker monomer 10 is hung in box body 14, and the connection sounding chamber of windowing 90 is set in the bottom of loudspeaker monomer 10
1000 separate the cover plate 60 of the bottom of loudspeaker monomer 10 with rear sound chamber 1400, windowing 90, so as to open a window 90 in one direction
On size reach maximum, that is, increase the size of windowing 90, increase gas disengaging sounding chamber 1000 and the rear speed of sound chamber 1400,
The tone quality improving effect of electroacoustic component 100 is lifted, improves Consumer's Experience.
In the present embodiment, windowing 90 runs through a pair of the first side wall 12a, when cutting forms windowing 90 on cover plate 60, simultaneously
The first side wall 12a is cut, 90 size of opening a window reaches maximum, so as to maximize sounding chamber 1000 and rear sound chamber in the unit interval
Enter gas output between 1400, the tone quality improving effect of lifting electroacoustic component 100, improve Consumer's Experience.
Specifically, loudspeaker monomer 10 sends sound wave for vibration, so as to form sound, the vibration of loudspeaker monomer 10 is drawn
The vibration of the air or gas in the operatic tunes 1000 is risen, loudspeaker monomer 10 is placed in box body 14, loudspeaker monomer 10 and box body
Sound chamber 1400 after being formed between 14, the interior filling sound absorption particle 20 of rear sound chamber 1400, windowing 90 cause rear sound chamber 1400 and loudspeaker
Sounding chamber 1000 inside monomer 10 connects, and screen cloth 40 is in rear sound chamber 1400, to prevent sound absorption particle 20 from entering windowing 90,
Upright projection covering windowing 90 of the screen cloth 40 on loudspeaker monomer 10, the size of screen cloth 40 is more than the size of windowing 90.Windowing
90 connection sounding chambers 1000 and rear sound chamber 1400, when loudspeaker monomer 10 works, the gas in sounding chamber 1000 is pressed by vibration
Contracting or stretching；During compressed gas, gas enters rear sound chamber 1400 by windowing 90 from sounding chamber 1000, and causes rear sound chamber 1400
Interior sound absorption particle 20 vibrates, and the energy of the friction consumption sound wave between the particle 20 that absorbs sound, changes the vibrating effect of gas, changes
The characteristic of sound wave；When stretching gas, gas enters sounding chamber 1000 by windowing 90 from rear sound chamber 1400, and influence vibrating diaphragm 70 to
The characteristic of the sound wave of outer propagation, so as to optimize the acoustical quality for the sound that electroacoustic component 100 is sent.
In the present embodiment, screen cloth 40 is in rear sound chamber 1400, and the edge of screen cloth 40 is fixed in side wall 12, and screen cloth 40
Covering windowing 90.
In the present embodiment, loudspeaker monomer 10 also includes the first actuator 54 and the second actuator 52, the first actuator 54
It is fixed in sounding chamber 1000, the second actuator 52 is fixed on vibrating diaphragm 70, and the second actuator 52 is used for relative first actuator 54
Vibration, to drive the vibration sounding of vibrating diaphragm 70.The connection sounding of windowing 90 chamber 1000 works with rear sound chamber 1400, loudspeaker monomer 10
When, relative first actuator 54 of the second actuator 52 of energization moves, the vibrating diaphragm 70 that is fixedly connected with the second actuator 52 and the
Two actuators 52 are synchronized with the movement, or are interpreted as the vibration of vibrating diaphragm 70 and form sound wave, the vibrocompression of vibrating diaphragm 70 or stretching sounding chamber 1000
Interior gas.The bottom that the first side wall 12a includes top and opposed tips are set.Top is fixedly connected with the periphery of vibrating diaphragm 70.Frame
Body can be plastic parts or metalwork.
In a kind of embodiment, the second actuator 52 is coil.First actuator 54 is magnet.Second actuator 52 receives
After current signal, magnetic field is produced.Second actuator 52 is according to the change of current signal, so as to which caused magnetic direction also produces change
Change.And the first actuator 54 is permanent magnet, the magnetic direction of the first actuator 54 will not produce change.Second actuator 52 is in electricity
Flow under the change of signal by the magnetic field interaction of the first actuator 54, can slide, enter closer or far from the first actuator 54
And vibrating diaphragm 70 is driven to vibrate.First actuator 54 includes the first magnet 542 and the second magnet 544, and the first magnet 542 is fixed on side
On wall 12, the second magnet 544 is fixed on cover plate 60, the second actuator 52 be located at the first magnet 542 and the second magnet 544 it
Between.Spacing be present between first magnet 542 and the second magnet 544.The top of second actuator 52 is fixedly connected with the pleat of vibrating diaphragm 70
Wrinkle 72, the bottom of the second actuator 52 is contained in spacing., can be effective because the second actuator 52 slides up and down in spacing
Reduce the thickness of loudspeaker monomer 10.
In a kind of embodiment, direction of second actuator 52 along the almost parallel normal direction of vibrating diaphragm 70 is with respect to the first actuator 54
Slide.Second actuator 52 can reciprocatingly slide with respect to the first actuator 54, so as to drive vibrating diaphragm 70 substantially adjacent to geometric center
Region it is of reciprocating vibration along normal direction.Vibrating diaphragm 70 drives air current flow, so as to produce when substantially adjacent to the domain oscillation of geometric center
Raw sound wave.Sound wave can be propagated from vibrating diaphragm 70 to the outside of electroacoustic component 100, so as to be received by user.Due to windowing
The normal direction of the 90 substantially vertical vibrating diaphragm 70 in direction of speaking, i.e. electroacoustic component 100 on the direction of the almost parallel normal direction of vibrating diaphragm 70 not
Acoustic transmission path be present, so as to which the top of framework and bottom can be resisted against on exterior part respectively, so that loudspeaker list
Body 10 can consolidate installation, and save using space.
With reference to Fig. 7, in a kind of embodiment, support rod 602 is provided between sub- cover plate 604, support rod 602 is used for shakeless deckle
Body.Specifically, the both ends of support rod 602 are connected on two sub- cover plates 604, the quantity of support rod 602 can be one
Can also be multiple.When the quantity of support rod 602 is multiple, intersected between support rod 602, to form stable triangle
Shape shape, improve the effect of stable frame.In addition, support rod 602 is smaller to blocking for windowing 90, to sounding chamber 1000 and rear sound
The exchange of gas influences smaller between chamber 1400.
In the present embodiment, the cut-off cover plate 60 of windowing 90 forms at least two sub- cover plates 604, and the second magnet 544 is set up in son
On cover plate 604.Specifically, the size of the second magnet 544 be more than windowing 90 size, so as to by the second magnet 544 across
Windowing 90, the both ends of the second magnet 544 contact on two sub- cover plates 604 being separated to form by windowing 90 respectively, the second magnet 544
It is simple with the connected mode of framework, and stable fixation.
In a kind of embodiment, vibrating diaphragm 70 is provided with fold 72 between periphery and geometric center.Fold 72 is along vibrating diaphragm 70
Circumferentially extending.Fold 72 reduces the tension force of vibrating diaphragm 70, so that vibrating diaphragm 70 is more prone in the region close to geometric center
Deformation vibration.Fold 72 is fixedly connected with the second actuator 52, facilitates the second actuator 52 to drive vibrating diaphragm 70 to produce deformation.Vibrating diaphragm 70
Material can be papery, Fiber Materials, metal material, wool material, silk material etc..
In the present embodiment, vibrating diaphragm 70 is resisted against top plate 142, and the distance of side plate 144 to the first side wall 12a is more than bottom plate 146
To the first side wall 12a distance, so that rear sound chamber 1400 is formed at the side of loudspeaker monomer 10, reduce electroacoustic component 100
Thickness, beneficial to the lightening design of mobile terminal.
In present embodiment, screen cloth 40 is gauze.Windowing 90 is covered by screen cloth 40, avoids sound absorption particle 20 from entering sounding
Chamber 1000, avoid influenceing the sounding of loudspeaker monomer 10.Screen cloth 40 cover windowing 90 so that sound absorption particle 20 can be filled up completely with
Between side plate 144 and framework, without being contained in again in rear sound chamber 1400 after being first packaged to sound absorption particle 20, both lifted
The tonequality of electroacoustic device 200, reduce the production cost of electroacoustic device 200 again.
In a kind of embodiment, side wall 12 is additionally provided with leak (not shown), leak connection sounding chamber 1000 with
Sound chamber 1400 afterwards.Leak further enhances enters outgassing rate between sounding chamber 1000 and rear sound chamber 1400, improves sound
Matter lifts effect.
Loudspeaker monomer 10 is hung in box body 14, and the connection sounding chamber of windowing 90 is set in the bottom of loudspeaker monomer 10
1000 separate the cover plate 60 of the bottom of loudspeaker monomer 10 with rear sound chamber 1400, windowing 90, so as to open a window 90 in one direction
On size reach maximum, that is, increase the size of windowing 90, increase gas disengaging sounding chamber 1000 and the rear speed of sound chamber 1400,
The tone quality improving effect of electroacoustic component 100 is lifted, improves Consumer's Experience.
Fig. 8, Fig. 9 and Figure 10 are referred to, the electroacoustic component 100 that the embodiment of the present invention two provides and the difference of embodiment one exist
In the first side wall 12a is provided with opening 92, the connection sounding of opening 92 chamber 1000 and rear sound chamber 1400, and be open 92 and windowing 90
Connection.Opening 92 allows gas to be passed in and out simultaneously from the first side wall 12a, increases between sounding chamber 1000 and rear sound chamber 1400
Gas exchange rate.
In the present embodiment, windowing 90 includes the first internal face 900, and being open 92 includes a pair of second internal faces 920, in first
Wall 900 flushes with the second internal face 920.After cover plate 60 is covered on framework, it is molded by cutting at one time, while cuts cover plate 60
Forming the first internal face 900 and the second internal face 920 flushed respectively with the first side wall 12a, procedure of processing is few, is integrally formed,
It is cost-effective.
Refer to Figure 11, Figure 12 and Figure 13, the electroacoustic component 100 that the embodiment of the present invention two provides and the difference of embodiment one
It is, side wall 12 also includes the second sidewall 12 of a pair of opposing, and a pair of second sidewalls 12 are connected to a pair of the first side wall 12a
Between, second sidewall 12 includes the second the inner surface 120b, the second inner surface 120b and the second inwall in sounding chamber 1000
Face 920 flushes.The size of drop opening 92 maximizes on the premise of the Stability Analysis of Structures of loudspeaker monomer 10 is not influenceed, and maximizes hair
Gas exchange rate between the operatic tunes 1000 and rear sound chamber 1400, the tone quality improving effect of lifting electroacoustic component 100, improves user
Experience.
With reference to Figure 14, the embodiment of the present invention also provides a kind of electroacoustic device 200, and electroacoustic device 200 includes drive circuit 80
With electroacoustic component 100 provided in an embodiment of the present invention, drive circuit 80 is electrically connected to loudspeaker monomer 10, and controlling loudspeaker list
The vibration sounding of body 10.Specifically, drive circuit 80 is electrically connected to the first actuator 54 or the second actuator 52, drive circuit 80 drive
It is dynamic mutually to be moved between first actuator 54 and the second actuator 52, so that the vibration sounding of vibrating diaphragm 70.
With reference to Figure 15, the embodiment of the present invention also provides a kind of mobile terminal, including electroacoustic provided in an embodiment of the present invention dress
Put 200.Specifically, mobile terminal includes housing 84 and the mainboard 82 being fixed in housing 84, wherein, drive circuit 80 is integrated in
On mainboard 82.Electroacoustic device 200 is fixed on the bottom of housing 84.The first actuator 54 electrical connection mainboard 82 of electroacoustic component 100,
The current signal of mainboard 82 is received, and then can be slided with respect to the second actuator 52, and causes the sounding of electroacoustic component 100.Can be with
Understand, mobile terminal can be mobile phone, tablet personal computer, notebook computer etc..
The above disclosed power for being only several preferred embodiments of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (20)
1. a kind of electroacoustic component, it is characterised in that including loudspeaker monomer and box body, the loudspeaker monomer is contained in the box
In vivo, sound chamber after being formed between the loudspeaker monomer and the box body, the loudspeaker monomer include side wall, cover plate and shaken
Film, multiple side walls, which join end to end, surrounds framework, and the cover plate and the vibrating diaphragm are individually fixed in the relative of the framework
Both ends form the sounding chamber of the loudspeaker monomer, and the vibrating diaphragm is fixedly attached to the box body, so that the loudspeaker list
Body is hung in the box body, and the cover plate is provided with windowing and connects the sounding chamber and the rear sound chamber, and the windowing will
The cover plate separates at least two parts.
2. electroacoustic component according to claim 1, it is characterised in that the side wall includes first side of a pair of opposing
Wall, the windowing run through a pair of the first side walls.
3. electroacoustic component according to claim 2, it is characterised in that the first side wall is provided with opening, and the opening connects
Lead to the sounding chamber and the rear sound chamber, and the opening connects with the windowing.
4. electroacoustic component according to claim 3, it is characterised in that the windowing includes the first internal face, the opening
Including a pair of second internal faces, first internal face flushes with second internal face.
5. electroacoustic component according to claim 3, it is characterised in that the side wall also includes the second of a pair of opposing
Side wall, a pair of second sidewalls are connected between a pair of the first side walls, and the second sidewall includes being located at the sounding
Second inner surface of intracavitary, second inner surface flush with second internal face.
6. electroacoustic component according to claim 5, it is characterised in that the loudspeaker monomer also include the first actuator and
Second actuator, first actuator are fixed on the sounding intracavitary, and second actuator is fixed on the vibrating diaphragm, described
Second actuator is used for relatively described first actuator vibration, to drive the diaphragm oscillations sounding.
7. electroacoustic component according to claim 6, it is characterised in that second actuator is coil, and described first drives
Moving part is magnet.
8. electroacoustic component according to claim 7, it is characterised in that first actuator includes the first magnet and second
Magnet, first magnet are fixed in the side wall, and second magnet is fixed on the cover plate, second actuator
Between first magnet and second magnet.
9. electroacoustic component according to claim 8, it is characterised in that the windowing separates the cover plate and forms at least two
Individual, second magnet frame is located on described.
10. electroacoustic component according to claim 9, it is characterised in that support rod, the branch are provided between the sub- cover plate
Strut is used to stablize the framework.
11. the electroacoustic component according to claim 1 to 10 any one, it is characterised in that the vibrating diaphragm is in periphery and several
Fold, circumferentially extending of the fold along the vibrating diaphragm are provided between what center, second actuator is fixedly attached to described
Fold.
12. electroacoustic component according to claim 11, it is characterised in that the box body includes top plate and relatively described top plate
The bottom plate of setting, and the side plate being fixed between the top plate and the bottom plate, the vibrating diaphragm is connected to the top plate, described
Side plate to the distance of the framework is more than the bottom plate to the distance of the framework.
13. electroacoustic component according to claim 12, it is characterised in that the electroacoustic component also includes sound absorption particle, institute
State the particles filled sound chamber after described of sound absorption.
14. electroacoustic component according to claim 13, it is characterised in that the electroacoustic component also includes screen cloth, the sieve
Net is located at the rear sound intracavitary, and the edge of the screen cloth is fixed in the side wall, and the screen cloth covers the windowing and institute
State opening.
15. electroacoustic component according to claim 1, it is characterised in that the side wall is additionally provided with leak, the leak
Connect the sounding chamber and the rear sound chamber.
16. electroacoustic component according to claim 1, it is characterised in that the vibrating diaphragm is papery, Fiber Materials, metal material
Matter, wool material or silk material.
17. a kind of electroacoustic device, it is characterised in that the electroacoustic device includes drive circuit and claim 1 to 16 is any one
The item electroacoustic component, the drive circuit are electrically connected to the loudspeaker monomer, and control the loudspeaker monomer vibration hair
Sound.
18. electroacoustic device according to claim 17, it is characterised in that the loudspeaker monomer also includes vibrating diaphragm and second
Actuator, the periphery of the vibrating diaphragm are fixedly connected on the framework, and second actuator is fixed on the vibrating diaphragm, the driving
Circuit is electrically connected to second actuator, and the drive circuit controls relatively described first actuator of the second actuator to shake
It is dynamic.
19. a kind of mobile terminal, it is characterised in that including the electroacoustic device described in claim 17 to 18 any one.
20. mobile terminal according to claim 19, it is characterised in that the mobile terminal also includes housing and mainboard,
The mainboard is fixed in the housing, and the drive circuit is integrated on the mainboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806481.9A CN107426656B (en) | 2017-09-08 | 2017-09-08 | Electroacoustic component, electroacoustic device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806481.9A CN107426656B (en) | 2017-09-08 | 2017-09-08 | Electroacoustic component, electroacoustic device and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107426656A true CN107426656A (en) | 2017-12-01 |
| CN107426656B CN107426656B (en) | 2020-01-14 |
Family
ID=60432012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710806481.9A Active CN107426656B (en) | 2017-09-08 | 2017-09-08 | Electroacoustic component, electroacoustic device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107426656B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812124A2 (en) * | 1996-06-03 | 1997-12-10 | Murata Manufacturing Co., Ltd. | Piezoelectric speaker |
| CN102724606A (en) * | 2012-06-04 | 2012-10-10 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN202663529U (en) * | 2012-05-17 | 2013-01-09 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN203378017U (en) * | 2013-08-15 | 2014-01-01 | 廖朝红 | Earphone loudspeaker |
| CN203827509U (en) * | 2014-03-12 | 2014-09-10 | 富祐鸿科技股份有限公司 | Loudspeaker single-body with sound chamber and electroacoustic product using loudspeaker single-body |
| CN105142046A (en) * | 2015-08-11 | 2015-12-09 | 瑞声光电科技(常州)有限公司 | Sound production device and method for making sound production device |
| CN205142500U (en) * | 2015-10-28 | 2016-04-06 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN205596331U (en) * | 2016-03-28 | 2016-09-21 | 歌尔股份有限公司 | Loudspeaker module group |
-
2017
- 2017-09-08 CN CN201710806481.9A patent/CN107426656B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812124A2 (en) * | 1996-06-03 | 1997-12-10 | Murata Manufacturing Co., Ltd. | Piezoelectric speaker |
| CN202663529U (en) * | 2012-05-17 | 2013-01-09 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN102724606A (en) * | 2012-06-04 | 2012-10-10 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN203378017U (en) * | 2013-08-15 | 2014-01-01 | 廖朝红 | Earphone loudspeaker |
| CN203827509U (en) * | 2014-03-12 | 2014-09-10 | 富祐鸿科技股份有限公司 | Loudspeaker single-body with sound chamber and electroacoustic product using loudspeaker single-body |
| CN105142046A (en) * | 2015-08-11 | 2015-12-09 | 瑞声光电科技(常州)有限公司 | Sound production device and method for making sound production device |
| CN205142500U (en) * | 2015-10-28 | 2016-04-06 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN205596331U (en) * | 2016-03-28 | 2016-09-21 | 歌尔股份有限公司 | Loudspeaker module group |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107426656B (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108430014B (en) | Loudspeaker enclosure | |
| CN206433156U (en) | Loudspeaker enclosure | |
| CN205510382U (en) | Multi -function device with vibration function and sound producing function | |
| CN207070330U (en) | Loudspeaker module and electronic equipment | |
| CN107948891A (en) | Electroacoustic component, electroacoustic device and mobile terminal | |
| CN103297904A (en) | Double-vibrating-diaphragm speaker module | |
| CN208798215U (en) | Microphone device and portable terminal | |
| CN106714051B (en) | Moving-magnetic type loudspeaker | |
| CN107454548A (en) | Electroacoustic device and preparation method thereof, mobile terminal | |
| CN207869334U (en) | A kind of encapsulating structure and loud speaker module of sound-absorbing particle | |
| CN108551635A (en) | Microspeaker module | |
| CN109788395A (en) | Loudspeaker enclosure | |
| CN106851493A (en) | The method of loudspeaker enclosure and its filling sound absorption powder | |
| CN208210250U (en) | Earphone | |
| CN107592598A (en) | Electroacoustic component, electroacoustic device and mobile terminal | |
| CN107809707A (en) | Electroacoustic component and mobile terminal | |
| CN109495828A (en) | Loudspeaker enclosure | |
| CN105516868B (en) | A kind of multi-function device with vibrating function and vocal function | |
| CN203193879U (en) | Vibratory loudspeaker | |
| CN206559633U (en) | Electroacoustic component, electroacoustic device and mobile terminal | |
| CN107426656A (en) | Electroacoustic component, electroacoustic device and mobile terminal | |
| CN106453721A (en) | Mobile device | |
| CN109788413A (en) | Loudspeaker enclosure | |
| CN107454527A (en) | Electroacoustic device and mobile terminal | |
| CN107454525A (en) | Electroacoustic component, electroacoustic device and mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523860 No. 18 Wusha Haibin Road, Chang'an Town, Dongguan City, Guangdong Province Applicant before: Guangdong Opel Mobile Communications Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |