CN107454525A - Electroacoustic component, electroacoustic device and mobile terminal - Google Patents
Electroacoustic component, electroacoustic device and mobile terminal Download PDFInfo
- Publication number
- CN107454525A CN107454525A CN201710807873.7A CN201710807873A CN107454525A CN 107454525 A CN107454525 A CN 107454525A CN 201710807873 A CN201710807873 A CN 201710807873A CN 107454525 A CN107454525 A CN 107454525A
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- leak
- actuator
- framework
- electroacoustic component
- vibrating diaphragm
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- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (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, the loudspeaker monomer includes framework and the first actuator, sound chamber after being formed between the framework and the box body, sound chamber is located at the week side of boss of the loudspeaker monomer after described, the framework is provided with the first leak, first leak causes the rear sound chamber to be connected with the sounding chamber inside the loudspeaker monomer, first actuator is located at the sounding intracavitary, and it is fixedly attached to the framework, the upright projection of first actuator on said frame staggers with first leak.The present invention also disclosed a kind of electroacoustic device and mobile terminal.The thickness of electroacoustic component is reduced, the first actuator is fixed on framework and staggered with the first leak, does not block the flow path of gas, is advantageous to the lightening design of product, 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, user increasingly favors lightening mobile terminal design,
Electroacoustic component is as the indispensable part of mobile terminal, the thickness requirement of electroacoustic component also more and more higher.Moving-coil type at present
Electroacoustic component will leak out hole and all design in the bottom of electroacoustic component, electroacoustic component includes interconnected sounding chamber and rear sound
Chamber, the thickness of sounding chamber, the thickness of rear sound chamber and the connected mode of sounding chamber and rear sound chamber all directly affect electroacoustic component
Thickness.In the prior art, leak is arranged at the bottom of sounding chamber, and the position of rear sound chamber connection leak increases rear sound chamber and existed
The space taken on thickness direction, cause the thickness of electroacoustic component big, be unfavorable for the lightening design of product, influence user
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 thickness of electroacoustic component is big 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, and the loudspeaker monomer includes framework and the first actuator, the framework and the box
Sound chamber after being formed between body, the rear sound chamber are located at the week side of boss of the loudspeaker monomer, and the framework is provided with the first leak,
First leak causes the rear sound chamber to be connected with the sounding chamber inside the loudspeaker monomer, the first actuator position
In the sounding intracavitary, and the framework is fixedly attached to, first actuator upright projection on said frame and institute
The first leak is stated to stagger.
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 second actuator is used for relatively described first
Actuator vibrates, 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 on the framework, second magnet is fixed on the cover plate, and second actuator is located at first magnet and institute
Between stating the second magnet, first leak be located at first magnet the framework upright projection and the vibrating diaphragm it
Between.
In a kind of embodiment, first magnet includes the first side wall in face of the vibrating diaphragm, first leak
Inwall it is concordant with the first side wall.
In a kind of embodiment, the loudspeaker monomer also includes the cover plate for being fixed on the framework, and the cover plate is relative
The vibrating diaphragm is set, and the sounding chamber is formed between the vibrating diaphragm, cover plate and the framework, the framework is additionally provided with the second leakage
Hole, sound chamber and the sounding chamber after the second leak connection is described.
In a kind of embodiment, second leak is located at upright projection and institute of first magnet in the framework
Between stating cover plate, and the upright projection of first magnet on said frame staggers with second leak.
In a kind of embodiment, first magnet includes the second sidewall in face of the cover plate, second leak
Inwall it is concordant with the second sidewall.
In a kind of embodiment, the cover plate include in face of the vibrating diaphragm first surface, second leak it is interior
Wall is concordant with the first surface.
In a kind of embodiment, first leak is symmetrically distributed in first actuator with second leak
Both sides.
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 distance of the side plate to the framework is big
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
Net is fixed on the framework, and the screen cloth covers first leak.
In a kind of embodiment, support rod, the screen cloth patch are provided with first leak or second leak
Close the support rod.
In a kind of embodiment, the cover plate is fixed on the surface of the bottom plate.
The present invention also provides a kind of electroacoustic device, it is characterised in that the electroacoustic device include drive circuit with to take up an official post
One electroacoustic component of meaning, the drive circuit is electrically connected to the loudspeaker monomer, and controls the loudspeaker monomer to shake
Dynamic 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：Sound chamber and sounding chamber after the connection of first leak, the vibration of sounding chamber cause gas
Flowed between sounding chamber and rear sound chamber, rear sound chamber improves the tonequality that electroacoustic component sends sound, and the first leak is located at framework
On, the bulk of the thickness direction of rear sound chamber is saved, so as to reduce the thickness of electroacoustic component, the first actuator is consolidated
It is scheduled on framework and staggers with the first leak, do not block the flow path of gas, be advantageous to the lightening design of product, improves
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 structural representation for the electroacoustic component that the embodiment of the present invention one provides.
Fig. 2 is the schematic cross-section of the loudspeaker monomer for the electroacoustic component that the embodiment of the present invention one provides.
Fig. 3 is the schematic cross-section for the electroacoustic component that the embodiment of the present invention one provides.
Fig. 4 is the schematic diagram of the first leak of the electroacoustic component that the embodiment of the present invention one provides.
Fig. 5 is the structural representation for the electroacoustic component that the embodiment of the present invention two provides.
Fig. 6 is the schematic cross-section of the loudspeaker monomer for the electroacoustic component that the embodiment of the present invention two provides.
Fig. 7 is the schematic cross-section for the electroacoustic component that the embodiment of the present invention two provides.
Fig. 8 is the structural representation of electroacoustic device provided in an embodiment of the present invention.
Fig. 9 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, loudspeaker monomer 10 includes the actuator 54 of framework 12 and first, frame
Sound chamber 1400 after being formed between frame 12 and box body 14, framework 12 are provided with the first leak 120a, and the first leak 120a causes
Sound chamber 1400 connects with the sounding chamber 1000 inside loudspeaker monomer 10 afterwards, and the first actuator 54 is located in sounding chamber 1000, and
Framework 12 is fixedly attached to, upright projection of first actuator 54 on framework 12 staggers with the first leak 120a.
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, the first leak 120a cause rear sound chamber 1400
Connected with the sounding chamber 1000 inside loudspeaker monomer 10, screen cloth 40 is in rear sound chamber 1400, to prevent sound absorption particle 20 from entering
Enter the first leak 120a, upright projection of the screen cloth 40 on loudspeaker monomer 10 covers the first leak 120a, screen cloth 40
Size is more than the first leak 120a size.First leak 120a connection sounding chamber 1000 and rear sound chamber 1400, loudspeaker
When monomer 10 works, the gas in sounding chamber 1000 is compressed or stretched by vibration；During compressed gas, gas passes through the first leakage
Hole 120a enters rear sound chamber 1400 from sounding chamber 1000, and causes the sound absorption particle 20 in rear sound chamber 1400 to vibrate, and absorb sound particle
The energy of friction consumption sound wave between 20, change the vibrating effect of gas, change the characteristic of sound wave；When stretching gas, gas
Sounding chamber 1000 is entered from rear sound chamber 1400 by the first leak 120a, and influences the spy for the sound wave that vibrating diaphragm 70 is outwards propagated
Property, so as to optimize the acoustical quality for the sound that electroacoustic component 100 is sent.
Sound chamber 1400 and sounding chamber 1000 after first leak 120a connections, the vibration of sounding chamber 1000 cause gas in sounding
Flowed between chamber 1000 and rear sound chamber 1400, rear sound chamber 1400 improves the tonequality that electroacoustic component 100 sends sound, the first leak
120a saves the bulk of the thickness direction of rear sound chamber 1400, so as to reduce electroacoustic component 100 on framework 12
Thickness, the first actuator 54 are fixed on framework 12 and staggered with the first leak 120a, do not block the flowing road of gas
Footpath, be advantageous to the lightening design of product, improve Consumer's Experience.
In the present embodiment, the first leak 120a is between top and bottom.First leak 120a can be circle
Hole or bar hole.Framework 12 can be plastic parts or metalwork.
In the present embodiment, loudspeaker monomer 10 also includes the actuator 52 of vibrating diaphragm 70 and second, and the periphery of vibrating diaphragm 70, which is fixed, to be connected
Framework 12 is connected to, the second actuator 52 is fixed on vibrating diaphragm 70, and the second actuator 52 is used for relative first actuator 54 and vibrated, with band
The dynamic vibration sounding of vibrating diaphragm 70, the first leak 120a is between the second actuator 52 and vibrating diaphragm 70.First leak 120a connects
Logical sounding chamber 1000 and rear sound chamber 1400, when loudspeaker monomer 10 works, 52 relative first actuator of the second actuator of energization
54 motions, are synchronized with the movement, or be interpreted as vibrating diaphragm 70 and shake with the vibrating diaphragm 70 that the second actuator 52 is fixedly connected and the second actuator 52
Move and form sound wave, the gas in the vibrocompression of vibrating diaphragm 70 or stretching sounding chamber 1000.Framework 12 includes top and opposed tips are set
The bottom put.Top is fixedly connected with the periphery of vibrating diaphragm 70.Framework 12 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 being fixed on first magnet 542 in the face 124 of inwall 1200 and positioned at the first magnetic
Second magnet 544 of the inner side of body 542.Spacing be present between first magnet 542 and the second magnet 544.The top of second actuator 52
Portion is fixedly connected with the fold 72 of vibrating diaphragm 70, and the bottom of the second actuator 52 is contained in spacing.Due to the second actuator 52
Slided up and down away from interior, the thickness of loudspeaker monomer 10 can be effectively reduced.
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 first
The normal direction of the leak 120a substantially vertical vibrating diaphragm 70 in direction of speaking, i.e., electroacoustic component 100 is in the almost parallel normal direction of vibrating diaphragm 70
Acoustic transmission path is not present on direction, so as to which the top of framework 12 and bottom can be resisted against on exterior part respectively, so that
Installation can be consolidated by obtaining loudspeaker monomer 10, and be saved using space.Framework 12 includes the He of outside wall surface 122 being oppositely arranged
The face 124 of inwall 1200, in present embodiment, at least part of the first actuator 54 is fixed on the face 124 of inwall 1200 of framework 12.
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, loudspeaker monomer 10 also includes the cover plate 60 for being fixed on framework 12, and cover plate 60 is set with respect to vibrating diaphragm 70
Put, sounding chamber 1000, the first leak 120a connection sounding chamber 1000 and rear sound are formed between vibrating diaphragm 70, cover plate 60 and framework 12
Chamber 1400.
In the present embodiment, box body 14 includes the bottom plate 146 that top plate 142 and relative top plate 142 are set, and is fixed on top plate
Side plate 144 between 142 and bottom plate 146.Vibrating diaphragm 70 is resisted against top plate 142, and the distance of side plate 144 to framework 12 is more than bottom plate
146 to top plate 142 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 300.
In present embodiment, cover plate 60 contacts at bottom plate 146.I.e. bottom plate 146 to cover plate 60 distance be less than side plate 144 to
The distance of framework 12.The periphery of cover plate 60 is fixed on the inner side of framework 12, is less than side plate so as to the distance of bottom plate 146 to cover plate 60
144 to framework 12 distance, the main space of rear sound chamber 1400 is located at the week side of boss of loudspeaker monomer 10 so that the thickness of box body 14
Sufficiently small, in a kind of embodiment, cover plate 60 fits in the surface of bottom plate 146, so that rear sound chamber 1400 is entirely located in and raised one's voice
The week side of boss of device monomer 10, reduce the thickness of box body 14.
In present embodiment, screen cloth 40 is gauze.Gauze can cover the first leak 120a opening in outside wall surface 122
Mouthful.First leak 120a is covered by screen cloth 40, the particle 20 that avoids absorbing sound avoids influenceing loudspeaker list into sounding chamber 1000
The sounding of body 10.Screen cloth 40 covers the first leak 120a so that sound absorption particle 20 can be filled up completely with side plate 144 and framework 12
Between, without being contained in again in rear sound chamber 1400 after being first packaged to sound absorption particle 20, both improved electroacoustic device 200
Tonequality, reduce the production cost of electroacoustic device 200 again.
In present embodiment, the first magnet 542 includes the first side wall 54a in face of vibrating diaphragm 70, the first leak 120a's
Inwall 1200 is concordant with the first side wall 54a, and so as to maximize the first leak 120a size, the first leak 120a, which is located at, to shake
The magnet 542 of film 70 and first is between the upright projection of framework 12, on the premise of the intensity of framework 12 is not influenceed, increase first
Leak 120a size is advantageous to increase the amount of sound chamber 1400 and sounding chamber 1000 after unit interval gas passes in and out, i.e. gas enters
Go out the speed of rear sound chamber 1400 and sounding chamber 1000, so as to which sound chamber 1400 lifts effect to the tonequality of electroacoustic component 100 after strengthening.
In present embodiment, cover plate 60 is fixed on the surface of bottom plate 146, very close to each other between cover plate 60 and bottom plate 146, from
And further reduce the thickness of electroacoustic component 100.
With reference to Fig. 4, in the present embodiment, is provided with support rod 125 in the first leak 120a, the fitting support rod 125 of screen cloth 40,
Support rod 125 is used to reinforce screen cloth 40 and the connection of outside wall surface 122.Specifically, the auxiliary support plansifter of support rod 125 net 40, supporting
Bar 125 is located at the relative both sides of screen cloth 40 with sound absorption particle 20 respectively, and sound absorption particle 20 is rocked due to self gravitation or product
Produce to the extruding force of screen cloth 40, cause screen cloth 40 to be come off from outside wall surface 122 if extruding force crosses conference, support rod 125 is from screen cloth
The 40 lateral screen clothes 40 for deviating from sound absorption particle 20 provide support force, avoid the deformation of screen cloth 40 and come off, reduce the dimension of product
The cycle is protected, reduces the maintenance cost of product.In a kind of embodiment, the quantity of support rod 125 is two, and arranged in a crossed manner.
Sound chamber 1400 and sounding chamber 1000 after first leak 120a connections, the vibration of sounding chamber 1000 cause gas in sounding
Flowed between chamber 1000 and rear sound chamber 1400, rear sound chamber 1400 improves the tonequality that electroacoustic component 100 sends sound, the first leak
120a saves the bulk of the thickness direction of rear sound chamber 1400, so as to reduce electroacoustic component 100 on framework 12
Thickness, the first magnet 542 are fixed on framework 12 and staggered with the first leak 120a, do not block the flowing road of gas
Footpath, be advantageous to the lightening design of product, improve Consumer's Experience.
Also referring to Fig. 5, Fig. 6 and Fig. 7, the electroacoustic component 100 that the embodiment of the present invention two provides and the area of embodiment one
It is not, electroacoustic component 100 also includes sound chamber 1400 and sounding chamber after the second leak 120b, the second leak 120b connection
1000, the second leak 120b strengthens the gas exchange rate between sounding chamber 1000 and rear sound chamber 1400, after strengthening
Sound chamber 1400 lifts effect to the tonequality of electroacoustic component 100.
In the present embodiment, the second leak 120b is located at upright projection of first magnet 542 on framework 12 and cover plate 60
Between, and upright projection of first magnet 542 on framework 12 staggers with the second leak 120b.Second leak 120b is connected
Sound chamber 1400 and sounding chamber 1000 afterwards, the vibration of sounding chamber 1000 cause gas to be flowed between sounding chamber 1000 and rear sound chamber 1400
Dynamic, rear sound chamber 1400 improves the tonequality that electroacoustic component 100 sends sound, and the second leak 120b is saved on framework 12
The bulk of the thickness direction of sound chamber 1400 afterwards, so as to reduce the thickness of electroacoustic component 100, the first magnet 542 is solid
It is scheduled on framework 12 and staggers with the second leak 120b, does not block the flow path of gas, be advantageous to the lightening of product and set
Meter, improve Consumer's Experience.
In the present embodiment, the first magnet 542 includes the second sidewall 54b in face of cover plate 60, and the second leak 120b's is interior
Wall 1200 is concordant with second sidewall 54b, and so as to maximize the second leak 120b size, the second leak 120b is located at first
Between magnet 542 and cover plate 60, on the premise of the intensity of framework 12 is not influenceed, the size for increasing the second leak 120b is favourable
The amount of sound chamber 1400 and sounding chamber 1000 after increase unit interval gas disengaging, i.e., sound chamber 1400 and sounding chamber after gas disengaging
1000 speed, so as to which sound chamber 1400 lifts effect to the tonequality of electroacoustic component 100 after strengthening.
In the present embodiment, cover plate 60 includes the first surface 600 in face of vibrating diaphragm 70, the second leak 120b inwall 1200
Concordant with first surface 600, so as to maximize the second leak 120b size, the second leak 120b is located at the first actuator
Between 54 and cover plate 60, on the premise of the intensity of framework 12 is not influenceed, the second leak 120b of increase size is advantageous to increase
The amount of sound chamber 1400 and sounding chamber 1000 after big unit interval gas disengaging, i.e., sound chamber 1400 and sounding chamber 1000 after gas disengaging
Speed, so as to which sound chamber 1400 lifts effect to the tonequality of electroacoustic component 100 after strengthening.
In the present embodiment, the first leak 120a and the second leak 120b are symmetrically distributed in the two of the first actuator 54
Side.First leak 120a and the second leak 120b are symmetrical, and the first leak 120a and the second leak 120b
Size is identical, on the thickness direction of electroacoustic component 100, sound chamber 1400 and sounding chamber 1000 after gas uniformly passes in and out, favorably
In raising acoustical quality.
Sound chamber 1400 and sounding chamber 1000, sounding chamber 1000 shake after first leak 120a and the second leak 120b connections
Dynamic to cause gas to be flowed between sounding chamber 1000 and rear sound chamber 1400, rear sound chamber 1400 improves electroacoustic component 100 and sends sound
Tonequality, the first leak 120a and the second leak 120b save the thickness direction of rear sound chamber 1400 on framework 12
Bulk, so as to reduce the thickness of electroacoustic component 100, the first actuator 54 is fixed on framework 12 and with first
Leak 120a and the second leak 120b stagger, and do not block the flow path of gas, are advantageous to the lightening design of product, carry
High Consumer's Experience.
With reference to Fig. 8, the embodiment of the present invention also provides a kind of electroacoustic device 200, electroacoustic device 200 include drive circuit 80 with
Electroacoustic component 100 provided in an embodiment of the present invention, drive circuit 80 are electrically connected to loudspeaker monomer 10, and controlling loudspeaker monomer
10 vibration soundings.Specifically, drive circuit 80 is electrically connected to the first actuator 54 or the second actuator 52, drive circuit 80 drive
Mutually moved between first actuator 54 and the second actuator 52, so that the vibration sounding of vibrating diaphragm 70.
With reference to Fig. 9, the embodiment of the present invention also provides a kind of mobile terminal 300, including electroacoustic provided in an embodiment of the present invention
Device 200.Specifically, mobile terminal 300 includes housing 92 and the mainboard 90 being fixed in housing 92, wherein, drive circuit 80
It is integrated on mainboard 90.Electroacoustic device 200 is fixed on the bottom of housing 92.First actuator 54 of electroacoustic component 100 electrically connects
Mainboard 90, receives the current signal of mainboard 90, and then can be slided with respect to the second actuator 52, and electroacoustic component 100 is sent out
Sound.It is understood that mobile terminal 300 can be mobile phone, tablet personal computer, notebook computer etc..
Sound chamber 1400 and sounding chamber 1000, sounding chamber 1000 shake after first leak 120a and the second leak 120b connections
Dynamic to cause gas to be flowed between sounding chamber 1000 and rear sound chamber 1400, rear sound chamber 1400 improves electroacoustic component 100 and sends sound
Tonequality, the first leak 120a and the second leak 120b save the thickness direction of rear sound chamber 1400 on framework 12
Bulk, so as to reduce the thickness of electroacoustic component 100, the first actuator 54 is fixed on framework 12 and with first
Leak 120a and the second leak 120b stagger, and do not block the flow path of gas, are advantageous to the lightening design of product, carry
High Consumer's Experience.
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, the loudspeaker monomer includes framework and the first actuator, sound chamber after being formed between the framework and the box body, described
Sound chamber is located at the week side of boss of the loudspeaker monomer afterwards, and the framework is provided with the first leak, and first leak causes institute
State rear sound chamber to connect with the sounding chamber inside the loudspeaker monomer, first actuator is located at the sounding intracavitary, and solid
Surely the framework is connected to, the upright projection of first actuator on said frame staggers with first leak.
2. electroacoustic component according to claim 1, it is characterised in that the loudspeaker monomer also includes vibrating diaphragm and second and driven
Moving part, the periphery of the vibrating diaphragm are fixedly connected on the framework, and second actuator is fixed on the vibrating diaphragm, and described second drives
Moving part is used for relatively described first actuator vibration, to drive the diaphragm oscillations sounding.
3. electroacoustic component according to claim 2, it is characterised in that second actuator is coil, and described first drives
Moving part is magnet.
4. electroacoustic component according to claim 3, it is characterised in that first actuator includes the first magnet and second
Magnet, first magnet are fixed on the framework, and second magnet is fixed on the cover plate, second actuator
Between first magnet and second magnet, first leak is located at first magnet in the framework
Between upright projection and the vibrating diaphragm.
5. electroacoustic component according to claim 4, it is characterised in that first magnet includes the in face of the vibrating diaphragm
One side wall, the inwall of first leak are concordant with the first side wall.
6. electroacoustic component according to claim 4, it is characterised in that the loudspeaker monomer also includes being fixed on the frame
The cover plate of frame, the relatively described vibrating diaphragm of the cover plate are set, and the sounding chamber is formed between the vibrating diaphragm, cover plate and the framework,
The framework is additionally provided with the second leak, sound chamber and the sounding chamber after the second leak connection is described.
7. electroacoustic component according to claim 6, it is characterised in that second leak is located at first magnet and existed
Between the upright projection of the framework and the cover plate.
8. electroacoustic component according to claim 7, it is characterised in that first magnet includes the in face of the cover plate
Two side walls, the inwall of second leak are concordant with the second sidewall.
9. electroacoustic component according to claim 8, it is characterised in that the cover plate includes the first table in face of the vibrating diaphragm
Face, the inwall of second leak are concordant with the first surface.
10. electroacoustic component according to claim 6, it is characterised in that first leak and second leak
It is symmetrically distributed in the both sides of first actuator.
11. electroacoustic component according to claim 2, it is characterised in that the vibrating diaphragm is set between periphery and geometric center
There are fold, circumferentially extending of the fold along the vibrating diaphragm, second actuator is fixedly attached to the fold.
12. electroacoustic component according to claim 4, 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
The distance of side plate to the framework is more than the bottom plate to the distance of the top plate.
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 screen cloth is fixed on the framework, and the screen cloth covers first leak.
15. electroacoustic component according to claim 14, it is characterised in that first leak or second leak
Interior to be provided with support rod, the screen cloth is bonded the support rod.
16. electroacoustic component according to claim 12, it is characterised in that the cover plate is fixed on the surface of the bottom plate.
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807873.7A CN107454525A (en) | 2017-09-08 | 2017-09-08 | Electroacoustic component, electroacoustic device and mobile terminal |
| PCT/CN2018/100101 WO2019047669A1 (en) | 2017-09-08 | 2018-08-10 | Electroacoustic assembly, electroacoustic device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710807873.7A CN107454525A (en) | 2017-09-08 | 2017-09-08 | Electroacoustic component, electroacoustic device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107454525A true CN107454525A (en) | 2017-12-08 |
Family
ID=60496014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710807873.7A Pending CN107454525A (en) | 2017-09-08 | 2017-09-08 | Electroacoustic component, electroacoustic device and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107454525A (en) |
| WO (1) | WO2019047669A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047669A1 (en) * | 2017-09-08 | 2019-03-14 | Oppo广东移动通信有限公司 | Electroacoustic assembly, electroacoustic device and mobile terminal |
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| CN205142500U (en) * | 2015-10-28 | 2016-04-06 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN205847524U (en) * | 2016-07-20 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN206149495U (en) * | 2016-10-28 | 2017-05-03 | 瑞声科技（南京）有限公司 | Loudspeaker |
| CN206542565U (en) * | 2017-03-01 | 2017-10-03 | 瑞声光电科技(常州)有限公司 | Loudspeaker and loudspeaker enclosure |
| CN107454525A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
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2017
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| CN202385272U (en) * | 2011-12-28 | 2012-08-15 | 歌尔声学股份有限公司 | Minitype speaker device |
| CN203086730U (en) * | 2013-01-18 | 2013-07-24 | 歌尔声学股份有限公司 | Ultra-thin loudspeaker module group |
| CN204069330U (en) * | 2014-09-01 | 2014-12-31 | 歌尔声学股份有限公司 | Side phonate hole loud speaker module |
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| Publication number | Publication date |
|---|---|
| WO2019047669A1 (en) | 2019-03-14 |
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Application publication date: 20171208 |