CN107682778A - Electroacoustic device and mobile terminal - Google Patents
Electroacoustic device and mobile terminal Download PDFInfo
- Publication number
- CN107682778A CN107682778A CN201710811261.5A CN201710811261A CN107682778A CN 107682778 A CN107682778 A CN 107682778A CN 201710811261 A CN201710811261 A CN 201710811261A CN 107682778 A CN107682778 A CN 107682778A
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- China
- Prior art keywords
- sound absorption
- sound
- housing
- electroacoustic device
- 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.)
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 131
- 239000002245 particle Substances 0.000 claims description 48
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 230000000644 propagated effect Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001755 vocal effect Effects 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
Abstract
Electroacoustic device and mobile terminal provided by the invention, by setting socket on the box body.When sound absorption part is set in the sound absorption cavity, it is only necessary to insert the sound absorption part in the sound absorption cavity from the socket, so as to simplify manufacturing process.Also, by being changed to the sound absorption part in the quantity of the socket, position and the insertion socket, respective change is carried out so as to adjust the loading for the sound absorption part filled in the sound absorption cavity, filling position etc., can be more flexible meet use demand.
Description
Technical field
The present invention relates to electronic device field, more particularly to a kind of electroacoustic device and mobile terminal.
Background technology
At present, in mobile terminal product, in order to strengthen the acoustical quality of electroacoustic device, generally require in the electroacoustic device
Sound absorption cavity is inside set, and sound-absorbing particle is set in the sound absorption cavity.In the prior art, in order to prevent sound-absorbing particle from entering electroacoustic group
In part, the sound-absorbing particle needs to isolate by barricade so that its position is fixed so that its manufacture craft is complex.
The content of the invention
The present invention provides a kind of simple electroacoustic device of manufacture craft and mobile terminal.
The present invention provides a kind of electroacoustic device, and the electroacoustic device includes box body, the electroacoustic component in the box body
And at least one sound absorption part, the electroacoustic component include the housing being fixed in the box body, the housing is provided with leak；Institute
State and be spaced between the madial wall of housing and the box body and form sound absorption cavity；The box body is provided with least one socket, described
Socket connects the sound absorption cavity；Each sound absorption part is inserted in the sound absorption cavity from a socket, so that the sound absorption
Part fills up the sound absorption cavity.
The present invention also provides a kind of mobile terminal, and the mobile terminal, which includes the mobile terminal, includes body and above-mentioned
Electroacoustic device, the electroacoustic device is in the body.
Electroacoustic device and mobile terminal provided by the invention, by setting socket on the box body.In the sound absorption cavity
During interior setting sound absorption part, it is only necessary to insert the sound absorption part in the sound absorption cavity from the socket, so as to simplify system
Make technique.Also, by being changed to the sound absorption part in the quantity of the socket, position and the insertion socket, so as to
Enough adjust loading, filling position of the sound absorption part of filling in the sound absorption cavity etc. and carry out respective change, can be more flexible
Meet use demand.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic cross-section of electroacoustic device provided in an embodiment of the present invention；
Fig. 2 is the structural representation for the electroacoustic device that the embodiment described in Fig. 1 provides；
Fig. 3 is the structural representation for the electroacoustic device that another embodiment provides；
Fig. 4 is the schematic cross-section for the electroacoustic device that another embodiment of the present invention provides；
Fig. 5 is the structural representation of sound absorption part provided in an embodiment of the present invention；
Fig. 6 is the schematic cross-section for the electroacoustic device that another embodiment of the present invention provides；
Fig. 7 is the structural representation for the electroacoustic device that Fig. 7 embodiments provide；
Fig. 8 is the schematic cross-section for the electroacoustic device that another embodiment of the present invention provides；
Fig. 9 is the structural representation for the electroacoustic device that Fig. 8 embodiments provide；
Figure 10 is the schematic diagram of the mobile terminal of the 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 paid
Embodiment, belong to the scope of protection of the invention.
Fig. 1 and Fig. 2 is referred to, the present invention provides a kind of electroacoustic device 100, and the electroacoustic device 100 includes box body 10, set
In electroacoustic component 20 and sound absorption cavity 30 in the box body 10, and at least one sound absorption part in the sound absorption cavity 30
40.In the present embodiment, the electroacoustic component 20 is located at the centre of the box body 10, and the sound absorption cavity 30 has two, described in two
Sound absorption cavity 30 is located at the both sides of the box body 10 respectively.Referring to Fig. 3, in another embodiment of the invention, the electroacoustic group
Part 20 is located at the center of the box body 10, and the sound absorption cavity 30 is ring-type, and the sound absorption cavity 30 of ring-type surrounds the electroacoustic group
Part 20 is set.At least one socket 15 is additionally provided with the box body 10, the socket 15 is penetrated described in the box body 10 and connection
In sound absorption cavity 30.Each sound absorption part 40 is out of the socket 15 in the insertion sound absorption cavity 30, you can so that described
Sound absorption part 40 fills the sound absorption cavity 30, so as to simplify the manufacture craft for the part 40 that absorbed sound described in the electroacoustic device 100.
The box body 10 includes bottom wall 11, the roof 12 relative with the bottom wall 11 and is connected the bottom wall 11 and the top
The side wall 13 of wall 12.The box body 10 can be made up of materials such as plastics or metals.The roof 12 is provided with perforate, described
The shape of perforate can be strip, circular or go other variously-shaped.In the present embodiment, the box body 10 is rectangular box
Body.It is understood that the box body 10 can also be the box body of cylindrical box body or other arbitrary shapes.The box body 10
On socket 15, can be according to being actually needed, on the bottom wall 11, roof 12 or side wall 13 of the box body 10.This implementation
In example, the socket 15 is on the roof 12.And the socket 15 has two, two sockets 15 respectively with located at institute
State the both sides of electroacoustic component 20.Referring to Fig. 3, in an alternative embodiment of the invention, the socket 15 is one, the socket 15
Set on the roof 12 around the electroacoustic component 20.
The electroacoustic component 20 includes housing 21, vibrating diaphragm 22 and drive component in the housing 21.The housing
21 are located at other parts therein to protect.In the present embodiment, the housing 21 is square ring frame.It is appreciated that
It is that the housing 21 can be circular ring frame of ring frame or polygon etc., i.e. shape of the present invention to the housing 21
Shape is not limited.Also, the housing 21 can be the various materials such as working of plastics, metalwork.The housing 21 includes top
And the bottom relative with the top.In the present embodiment, the housing 21 is located at the centre position of the box body 10, so that
There is certain interval between the housing 21 and the side wall 13 of the box body.The top of the housing 21 against and be fixed on described
The roof 12 of box body, the bottom of the housing 21 against and be fixed on the bottom wall 11 of the box body.The bottom wall 11 of the box body, top
Wall 12, side wall 13 and the closed formation sound absorption cavity 30 of the housing 21.The insertion housing 21 is offered on the housing 21
Leak 211, the leak 211 connected inside the sound absorption cavity 30 and the housing 21 so that out of described housing 21
The sound wave sent can be propagated in the sound absorption cavity 30 by the leak 211, and causes the sky in the sound absorption cavity 30
Gas can circulate with the air in the housing 21, to ensure the vibration of the vibrating diaphragm 22.Meanwhile by by the housing 21 with
The sound absorption cavity 30 connects, by increasing capacitance it is possible to increase the volume of the electroacoustic device 100, is advantageous to produce more preferable bass effect.This reality
Apply in example, the leak 211 has two, and the relative both sides for being located at the housing 21 of two leaks 211, two institutes
Leak 211 is stated to connect with two sound absorption cavities 30 of the both sides of electroacoustic component 20 respectively.So that the electroacoustic group
Sound wave caused by part 20 can transmit to the sound absorption cavity 30 from the both sides of the housing so that need not be in the electroacoustic group
The thickness direction of part 20 sets space of raising one's voice, and then can reduce the thickness of the electroacoustic component 20, reduces the electroacoustic device
100 thickness, meet the requirement being thinned of being tried one's best at present to mobile terminal product thickness.Further, it is described in the present embodiment
Housing is Q-RING, and the housing 21 of Q-RING includes two relative the first side walls and be connected with the first side wall two
The individual second sidewall being oppositely arranged, the first side wall recline the side wall of the box body 10, the second sidewall and the box body
10 sidewall spacers.
The vibrating diaphragm 22 is provided with fold between periphery and geometric center.Circumference of the fold along the vibrating diaphragm 22 is prolonged
Stretch.The fold is used for the tension force for reducing vibrating diaphragm 22, so that the vibrating diaphragm 22 is easier in the region close to geometric center
Produce deformation vibration.The periphery of the vibrating diaphragm 22 is fixedly connected on the housing 21 and relative with the bottom wall 11 of the box body.
The material of the vibrating diaphragm 22 can be papery, Fiber Materials, metal material, wool material, silk material etc..The vibrating diaphragm 22 shakes
Movable property gives birth to sound wave, so that the sounding of the electroacoustic device 100.In the present invention, the electroacoustic component 20 is in the box body 10
When, the vibrating diaphragm 22 is located at the position of the perforate of the box body.By the position that the vibrating diaphragm 22 is located to the perforate so that
The vibrating diaphragm 22 vibrates the sound wave sent and spread out of from the position of the perforate so that the sound of the electroacoustic device 100 is passed
Broadcast is gone.Also, the vibrating diaphragm 22 covers and the closed perforate is towards the side inside the box body 10, so that described
Material outside box body 10 is not easily accessed the box body 10 and influences the generation of the electroacoustic device.Further, the vibrating diaphragm
During 22 vibration, acoustic wave segment is propagated in the housing 21 caused by the vibrating diaphragm 22.Also, enter in the housing 21
The sound wave that row is propagated is transmitted to the sound absorption cavity 30 by the leak 211 on the housing 21, the sound absorption cavity 30
The sound wave that the interior sound absorption part 40 will be transmitted in the sound absorption cavity 30 is absorbed, so as to avoid in the housing 21
The sound wave of propagation is acted on the vibrating diaphragm 20, and then improves the vibration sounding effect of the vibrating diaphragm 20 so that the electricity
Sound component 100 has higher vibration that effect occurs.
The drive component includes the first drive component 23 and the second drive component 24.First drive component 23 is fixed
In on the vibrating diaphragm 22, second drive component 24 is fixed on the bottom wall 11 of the box body 10.First actuator 23
Can relatively described second actuator 24 vibrate, to drive the vibrating diaphragm 22 to vibrate so as to send sound wave.In the present embodiment, described
One actuator 23 is coil, and second actuator 24 is magnet, it is preferred that second actuator is permanent magnet.Also, institute
Stating the second actuator 24 includes the first drive part 241 and the second drive part 242, and first drive part 241 is around institute
The second drive part 242 is stated to set and be arranged at intervals with second drive part 242.First actuator 23 is positioned at described
Between first drive part 241 and second drive part 242.The axial direction of first actuator 23 is perpendicular to described
The plane of vibrating diaphragm 22, also, first actuator 23 in axial direction inserts first drive part 241 and described second
Between drive part 242.During by being passed through electric signal to first actuator 23, first actuator 23 and described second
Electromagnetic force is produced between actuator 24, so as to drive first actuator 23 to produce vibration vertically, and is shaken described in driving
Film 22 vibrates in the in-plane of vibrating diaphragm described near normal 22 so that the vibrating diaphragm 22 can maximumlly drive vibrating diaphragm when vibrating
The air of surrounding is vibrated, and then produces larger sound.Now, the mould 22 that shakes vibrates the sound part sent through institute
The perforate stated on box body 10 blazes abroad, and another part passes to the internal communication of housing 21, and by the upper leak 211
Cast in the sound absorption cavity 30.In the present embodiment, the housing 21 is set against first drive part 241, to subtract as far as possible
The size of the small electroacoustic component 20, so as to reduce the size of the electroacoustic device 100, in order to which the electroacoustic device 100 fills
Assigned in mobile terminal.Also, in the present embodiment, the leak 211 is through the housing 21 and through the described first driving
Portion 241, so that the vocal hole 211 is connected inside the sound absorption cavity 30 and the housing 21 so that the vibrating diaphragm 22 shakes
Sound wave caused by dynamic is reached in the sound absorption cavity 30 from the vocal hole 211.It is understood that work as first drive part
When being arranged at intervals between 241 and the housing 21, the perforate 211 is only on the housing 21, so as to reduce manufacture craft.
Referring to Fig. 4, in other embodiments of the invention, first actuator 23 can be magnet, second actuator 24
It can be coil.
Referring to Fig. 1 and Fig. 2, the sound absorption cavity 30 in the box body 10, by the bottom wall 11 of the box body 10,
The 21 closed formation of bottom wall 12, side wall 13 and the housing.Also, the sound absorption cavity 30 is located at the leak 211 away from described
The side of electroacoustic component 20, the acoustic wave segment that the vibrating diaphragm 21 of the electroacoustic component is sent pass through described in the leak 211 entrance
In sound absorption cavity 30.At least one sound absorption part 40 is provided with the sound absorption cavity 30.The sound absorption part 40 inserts institute from the socket 15
State in sound absorption cavity 30.The sound absorption part 40 is inhaled the sound wave propagated caused by the vibrating diaphragm 22 in the housing 21
Receive, so as to prevent vibration of the sound wave in housing 21 to the vibrating diaphragm 22 from having an impact, and then ensure the electroacoustic device 100
Sounding effect.Referring to Fig. 5, the sound absorption part 40 includes the housing 42 of sound-absorbing particle and the parcel sound-absorbing particle.The shell
Body 42 is provided with the mesh 43 of array arrangement, and the size of the mesh 43 is less than the particle size of the sound-absorbing particle, so as to anti-
Spilt during only the sound-absorbing particle is 42 from the housing, while have and can ensure that air and sound wave can be in the sound absorption parts 40
Interior propagation.The porous material of the sound-absorbing particle position lightweight, can be by institute when sound wave is propagated between the sound-absorbing particle
The energy for stating sound wave is converted into the heat energy of the sound-absorbing particle, so that by the wave absorption, and then realize the electroacoustic device
100 good sounding effect.Also, due to the loose structure of the sound-absorbing particle, by increasing capacitance it is possible to increase the void of the electroacoustic device 100
Intend volume, so as to obtain preferable bass effect.It is understood that according to the different needs, the sound-absorbing particle can be
Different materials, such as foam particle, zeolite, activated carbon etc..
In the present embodiment, the housing 42 includes shaping frame 421 and the net spacing body being fixed on the shaping frame 421
422.The net spacing body 422 can be screen cloth or wire netting panel, plastic wire panel etc..In the present embodiment, the housing 42
It is identical with the size shape of the sound absorption cavity 30, i.e., after described sound absorption part 40 is inserted in the sound absorption cavity 30, the sound absorption part 40
The net spacing body 422 be bonded with the inwall of the sound absorption cavity 30.So as to ensure that institute is maximumlly filled in the sound absorption cavity 30
Sound-absorbing particle is stated, so that when in Acoustic Wave Propagation to the sound absorption cavity 30 that the outer inframe is propagated, the sound-absorbing particle
The sound wave can be absorbed, to ensure the sounding effect of the sound-producing device 100.Further, the sound absorption part 40
Sealing 44 is provided with, the sealing 44 is on the housing 42, the sound absorption part 40 insertion institute out of described socket 15
When stating in sound absorption cavity 30, the sealing 44 seals the socket 15, so as to realize the closed of the sound absorption cavity 30, described in guarantee
The generation effect of sound-producing device 100.
Refer to Fig. 6 and Fig. 7, in another embodiment of the present invention, two sockets be correspondingly arranged on each sound absorption cavity 30,
It is corresponding in each socket 15 mutually to recline full so as to fill inserted with a sound absorption part 40, two sound absorption parts 14
The sound absorption chamber 30.It is understood that as needed, multiple sockets 15 are correspondingly arranged on each sound absorption cavity 30,
It is corresponding inserted with a sound absorption part 40 in each socket 15, to cause the sound absorption part 40 to fill the full sound absorption cavity
30.In the present embodiment, the particle diameter of the sound-absorbing particle in the sound absorption part 40 of the housing 21 is more than multiple sound absorption parts 40
The particle diameter of sound-absorbing particle in the middle others sound absorption part 40.So that the mesh hole of the sound absorption part 40 close to the housing
Footpath can be more than the mesh aperture of other sound absorption parts 40.So as to reduce the net spacing body to the leak 211
The influence for entering outlet, also, accumulated between the big sound-absorbing particle of particle diameter it is more sparse, it is described so as to further reduce
Absorb sound the influence of entering outlet of the part 40 to the leak 211, and then ensures that the sound-producing device 100 has preferable sounding to imitate
Fruit.
Refer to Fig. 8 and Fig. 9, in another embodiment of the present invention, each sound absorption cavity 30 is corresponding to be provided only with one and insert
Mouthfuls 15, it is provided with a sound absorption part 40 in the socket 15, the sound absorption part 40 is bonded with the housing 21 and described in blocking
Leak 211.Have an interval between the sound absorption part 40 and the side wall 13 of the box body, the sound absorption part 40 and the box body 10 it
Between form filled cavity, is filled with sound-absorbing particle in the filled cavity.In the present embodiment, the grain of the sound-absorbing particle in the filled cavity
Footpath is less than the particle diameter of sound-absorbing particle in the sound absorption part 40.So as to sound-absorbing particle in as far as possible more increase sound absorption cavities 30
Amount, reach more preferable sound-absorbing effect.Also, because the sound absorption part 40 blocks the leak 211, in the filled cavity
Sound-absorbing particle can not enter in the housing 21, so as to ensure that the normal sounding of the sounding component 20.Simultaneously so that described
The particle diameter of sound-absorbing particle is more than the particle diameter of the sound-absorbing particle in the filled cavity in sound absorption part 40, is increasing in the sound absorption cavity 30
While sound-absorbing particles filled amount, barrier of the net spacing body to leak 211 is avoided, further realizes the sound-producing device 100
There is preferable sounding effect.
Electroacoustic device 100 provided by the invention, by setting socket 15 on the box body 10.Set in the sound absorption cavity
When putting sound absorption part 40, it is only necessary to insert the sound absorption part 40 in the sound absorption cavity 30 from the socket 15, so as to simplify
Manufacturing process.Also, pass through the type to the sound absorption part 40 in the quantity of the socket 15, position and the insertion socket 15
It is changed, phase is carried out so as to adjust the loading of the sound absorption part 15 of filling in the sound absorption cavity 30, filling position etc.
Should change, can be more flexible meet use demand.Also, by the particle diameter for changing the sound absorption particle in different sound absorption parts 40
Size or the filling sound absorption particle between sound absorption part 40 and housing 20, while preferable sound-absorbing effect is realized, ensure institute
The airflow smooth of the position of leak 211 is stated, ensures that the sound-producing device 100 has preferable sounding effect.
Referring to Fig. 10, the present invention also provides a kind of mobile terminal 200, the mobile terminal 200 includes body and is located at
The intrinsic electroacoustic device 100.The body includes housing 90 and the mainboard 91 being fixed in the housing 90.Institute
State the bottom that electroacoustic device 100 is fixed on the housing 90.First actuator 23 of the electroacoustic component 100 electrically connects the master
Plate 91, the current signal of the mainboard 91 is received, and then drive the vibrating diaphragm 22 to enter in the presence of second actuator 24
Row vibration, so that the sounding of electroacoustic component 100.It is understood that the mobile terminal 200 can be mobile phone, put down
Plate computer, notebook computer etc..
Above is the embodiment of the embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of principle of the embodiment of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of electroacoustic device, it is characterised in that electroacoustic component and at least one sound absorption including box body, in the box body
Part, the electroacoustic component include the housing being fixed in the box body, and the housing is provided with leak；The housing and the box
It is spaced between the madial wall of body and forms sound absorption cavity；The box body is provided with least one socket, and the socket connects the suction
Sound chamber；Each sound absorption part is inserted in the sound absorption cavity from a socket, so that the sound absorption part fills up the sound-absorbing
Chamber.
2. electroacoustic device as claimed in claim 1, it is characterised in that the sound absorption part includes sound-absorbing particle and the parcel suction
The housing of sound particle, the housing are provided with the mesh of array arrangement, and the aperture of the mesh is less than the grain of the sound-absorbing particle
Footpath.
3. electroacoustic device as claimed in claim 2, it is characterised in that the housing include shaping frame and be fixed on it is described into
Net spacing body on type framework, the net spacing body are bonded with the sound-absorbing cavity wall.
4. electroacoustic device as claimed in claim 2, it is characterised in that the housing include shaping frame and be fixed on it is described into
Net spacing body on type framework, it is described sound absorption part be bonded with the housing and block the leak, and it is described absorb sound part with it is described
There is interval between the side wall of box body, filled cavity is formed between the sound absorption part and the box body, is filled with and inhales in the filled cavity
Sound particle.
5. electroacoustic device as claimed in claim 4, it is characterised in that the particle diameter of the sound-absorbing particle in the filled cavity is less than institute
State the particle diameter of sound-absorbing particle in sound absorption part.
6. electroacoustic device as claimed in claim 4, it is characterised in that the sound absorption part and the mesh hole of the housing abutment face
Described in footpath absorb sound part in sound-absorbing particle particle diameter.
7. the electroacoustic device as described in claim any one of 2-6, it is characterised in that the housing of the sound absorption part is provided with close
Envelope portion, socket described in the both seals.
8. electroacoustic device as claimed in claim 2, it is characterised in that each sound absorption part is respectively out of the socket
Insert in the sound absorption cavity, multiple sound absorption parts mutually recline and fill completely described sound absorption chamber.
9. electroacoustic device as claimed in claim 8, it is characterised in that the sound absorption part includes inhaling close to the first of the housing
Sound part, and the away from the housing second sound absorption part, the sound-absorbing particle diameter of the first sound absorption part are more than the described second sound absorption
The sound-absorbing particle diameter of part, and the mesh aperture on the housing of the first sound absorption part is more than on the housing of the described first sound absorption part
Mesh aperture.
10. electroacoustic device as claimed in claim 1, it is characterised in that the electroacoustic component also includes vibrating diaphragm and drive component,
The periphery of the vibrating diaphragm is fixedly connected on the housing and relative with the bottom wall of the box body；The drive component is contained in described
Outer inframe, the drive component include the first actuator and the second actuator, and first actuator is fixed on the vibrating diaphragm,
Second drive component is fixed in the box portion bottom wall, the relatively described second actuator vibration of first actuator, with
The diaphragm oscillations are driven to send sound wave, the part sound wave enters the sound absorption cavity and by the sound absorption by the leak
Part absorbs.
11. electroacoustic device according to claim 1, it is characterised in that the quantity of the leak is multiple described to be multiple
Leak is provided at circumferentially spaced along the housing.
12. electroacoustic device according to claim 11, it is characterised in that the sound absorption cavity is set around the electroacoustic component
Put, each leak is connected inside the sound absorption cavity and the housing.
13. a kind of mobile terminal, it is characterised in that the mobile terminal includes body and claim 1~12 any one institute
The electroacoustic device stated, the electroacoustic device is in the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710811261.5A CN107682778B (en) | 2017-09-08 | 2017-09-08 | Electroacoustic device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710811261.5A CN107682778B (en) | 2017-09-08 | 2017-09-08 | Electroacoustic device and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107682778A true CN107682778A (en) | 2018-02-09 |
| CN107682778B CN107682778B (en) | 2020-07-17 |
Family
ID=61134645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710811261.5A Active CN107682778B (en) | 2017-09-08 | 2017-09-08 | Electroacoustic device and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107682778B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109474869A (en) * | 2018-11-16 | 2019-03-15 | 歌尔股份有限公司 | Loudspeaker mould group |
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