CN107295448A - A kind of loudspeaker and mobile terminal - Google Patents
A kind of loudspeaker and mobile terminal Download PDFInfo
- Publication number
- CN107295448A CN107295448A CN201710624096.2A CN201710624096A CN107295448A CN 107295448 A CN107295448 A CN 107295448A CN 201710624096 A CN201710624096 A CN 201710624096A CN 107295448 A CN107295448 A CN 107295448A
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- vibrating diaphragm
- circuit component
- magnetic circuit
- sensor
- 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.)
- Pending
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
- H04R9/025—Magnetic circuit
-
- 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)
Abstract
The present invention provides a kind of loudspeaker and mobile terminal, the loudspeaker includes housing, magnetic circuit component, voice coil loudspeaker voice coil and vibrating diaphragm, the magnetic circuit component, the voice coil loudspeaker voice coil and the vibrating diaphragm are respectively positioned in the housing, and the magnetic circuit component is connected with the vibrating diaphragm by the voice coil loudspeaker voice coil, and the first accommodating cavity is formed, the magnetic circuit component is provided with mounting hole, and the mounting hole is connected with first accommodating cavity, wherein, the sensor for being used for detecting the vibrating diaphragm amplitude is provided with the mounting hole.So by opening up mounting hole on magnetic circuit component, and the sensor for being used for detecting vibrating diaphragm amplitude is provided with the mounting hole, by by the amplitude detection data feedback of vibrating diaphragm to audio processing modules, so audio processing modules according to the amplitude of vibrating diaphragm according to that can adjust the input signal of loudspeaker, so as to be effectively improved the performance of loudspeaker.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of loudspeaker and mobile terminal.
Background technology
With the miniaturization of loudspeaker, in order to give full play to the performance of loudspeaker, for the small of loadspeaker structure
The utilization of size becomes particularly important, and the performance of loudspeaker depends on the volume V (V=S*X) that vibrating diaphragm promotes air, wherein, S
For effective vibration area of vibrating diaphragm, X is the amplitude under vibrating diaphragm working condition, and in the situation that effectively vibration area size is fixed
Under, generally by the size of design vibrating diaphragm amplitude, to lift the performance of loudspeaker.
At present, being typically of size of for the amplitude of the diaphragm of loudspeaker is calculated by the algorithm of intelligent power output amplification, to enter one
Step excavates the performance of loudspeaker.However, the amplitude detection of intelligent power output amplification is signal parameter and a small amount of monomer based on loudspeaker
Modeling, because speaker product has certain otherness in itself, so as to cause the amplitude detection of intelligent power output amplification in parameter setting
During can retain certain surplus so that the performance for causing loudspeaker is difficult preferably to bring into play.It can be seen that, it is existing to raise
There is the problem of performance plays difference in sound device.
The content of the invention
The embodiment of the present invention provides a kind of loudspeaker and mobile terminal, and there is performance to solve existing loudspeaker plays poor
The problem of.
The embodiments of the invention provide a kind of loudspeaker, including housing, magnetic circuit component, voice coil loudspeaker voice coil and vibrating diaphragm, the magnetic circuit group
Part, the voice coil loudspeaker voice coil and the vibrating diaphragm are respectively positioned in the housing, and the magnetic circuit component is connected with the vibrating diaphragm by the voice coil loudspeaker voice coil
Connect, and form the first accommodating cavity, the magnetic circuit component is provided with mounting hole, and the mounting hole is connected with first accommodating cavity, its
In, the sensor for being used for detecting the vibrating diaphragm amplitude is provided with the mounting hole.
The embodiment of the present invention additionally provides a kind of mobile terminal, including above-mentioned loudspeaker.
So, in the embodiment of the present invention, including housing, magnetic circuit component, voice coil loudspeaker voice coil and vibrating diaphragm, the magnetic circuit component, the sound
Circle and the vibrating diaphragm are respectively positioned in the housing, and the magnetic circuit component is connected with the vibrating diaphragm by the voice coil loudspeaker voice coil, and are formed
First accommodating cavity, the magnetic circuit component is provided with mounting hole, and the mounting hole is connected with first accommodating cavity, wherein, the peace
Dress is provided with the sensor for being used for detecting the vibrating diaphragm amplitude in hole.So by opening up mounting hole on magnetic circuit component, and at this
The sensor for being used for detecting vibrating diaphragm amplitude is provided with mounting hole, by giving audio frequency process mould by the amplitude detection data feedback of vibrating diaphragm
Block, such audio processing modules are raised according to that can adjust the input signal of loudspeaker according to the amplitude of vibrating diaphragm so as to be effectively improved
The performance of sound device.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed for description of the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of loudspeaker provided in an embodiment of the present invention；
Fig. 2 is the sectional view of the line A-A along along Fig. 1；
Fig. 3 is the exploded perspective view of magnetic circuit component in loudspeaker provided in an embodiment of the present invention；
Fig. 4 is the system block diagram of loudspeaker 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 is described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It is the structural representation of loudspeaker provided in an embodiment of the present invention referring to Fig. 1-4, Fig. 1；Fig. 2 is the line A-A along along Fig. 1
Sectional view；Fig. 3 is the exploded perspective view of magnetic circuit component in loudspeaker provided in an embodiment of the present invention；Fig. 4 is implementation of the present invention
The system block diagram for the loudspeaker that example is provided.
As shown in Figure 1 to Figure 3, the embodiment of the present invention provides a kind of loudspeaker 100, including housing 10, magnetic circuit component 20, sound
Circle 30 and vibrating diaphragm 40, magnetic circuit component 20, voice coil loudspeaker voice coil 30 and vibrating diaphragm 40 are respectively positioned in housing 10, and magnetic circuit component 20 passes through with vibrating diaphragm 40
Voice coil loudspeaker voice coil 30 is connected, and forms the first accommodating cavity 50, and magnetic circuit component 20 is provided with mounting hole 24, and mounting hole 24 connects with the first accommodating cavity 50
It is logical, wherein, the sensor 60 for being used for detecting the amplitude of vibrating diaphragm 40 is provided with mounting hole 24.
In the embodiment of the present invention, housing 10 be a both-side opening cavity body structure, wherein, magnetic circuit component 20, voice coil loudspeaker voice coil 30 and
Vibrating diaphragm 40, which is stacked gradually, to be arranged in the cavity of housing 10, and magnetic circuit component 20 can block a side opening of housing 10, vibrating diaphragm 40
Another side opening of housing 10 can be blocked, and magnetic circuit component 20 and vibrating diaphragm 40 are connected by voice coil loudspeaker voice coil 30, and form the first accommodating cavity
50.Wherein, housing 10 can be formed by high polymer material injection molding, and the high polymer material can be polyamide macromolecule material
Material or polymeric liquid crystal copolymer material.
Magnetic circuit component 20 includes yoke 21, magnetite 22 and the magnetic conduction sheet 23 being cascading, in magnetic circuit component 20, magnetic
Stone 22 plays a part of providing magnetic field, yoke 21 and magnetic conduction sheet 23 located at the both sides of magnetite 22, the magnetic that can provide magnetite 22
Line of force formation field circuit, a stable magnetic field is formed so as to realize in loudspeaker 100, wherein, magnetite 22 can be forever
Magnet.Magnetic conduction sheet 23 is located between yoke 21 and vibrating diaphragm 40, and yoke 21 is provided with first through hole 211, and magnetite 22 is provided with second
Through hole 221, magnetic conduction sheet 23 is provided with third through-hole 231, wherein, first through hole 211, the second through hole 221 and third through-hole 231 are
Concentric holes.Yoke 21, magnetite 22 and magnetic conduction sheet 23 are assembled into after magnetic circuit component 20 again, are the first through hole that concentric holes are set
211st, the second through hole 221 and third through-hole 231 can merge the mounting hole 24 of composition magnetic circuit component 20.
As shown in Figures 2 and 4, the operation principle of the embodiment of the present invention is, by by the accommodating cavity 50 of mounting hole 24 and first
Connection, the so sensor 60 in mounting hole 24, can detect Vibration Condition of the vibrating diaphragm 40 in the first accommodating cavity 50, enter
And realize real-time detection of the sensor 60 to the amplitude of vibrating diaphragm 40, it is possible to by the amplitude detection data Real-time Feedback of vibrating diaphragm 40 to sound
Frequency processing module, such audio processing modules just can according to the input signal of the big minor adjustment loudspeaker of amplitude of vibrating diaphragm so that
It is effective to improve the performance of loudspeaker.The amplitude of vibrating diaphragm 40 can also be made to be always positioned at the limit range for not occurring any collision
It is interior, the service life of effective lifting vibrating diaphragm 40.
Optionally, loudspeaker 100 also includes circuit board 70, and sensor 60 is electrically connected with circuit board 70, and sensor 60
In in mounting hole 24, circuit board 70 is fitted with side of the magnetic circuit component 20 away from vibrating diaphragm 40 and is fixedly connected.
In the embodiment of the present invention, by the way that sensor 60 is electrically connected with circuit board 70, sensor 60 can not only be detected
To the amplitude data of vibrating diaphragm 40 audio processing modules are fed back to by circuit board 70, circuit board 70 and magnetic circuit group can also be passed through
Being fixedly connected between part 20, and sensor 60 is fixed on circuit board 70, prevent sensor 60 in mounting hole 24 due to
Extraneous vibration and rock, and then influence amplitude detection data authenticity.Mounting hole is directly anchored to relative to by sensor 60
24 madial wall, overall structure is simpler, and during subsequent maintenance, without magnetic circuit component 20 is split into yoke 21, magnetic
Stone 22 and magnetic conduction sheet 23, greatly improve the practicality of magnetic circuit component 20.
Wherein, circuit board 70 is adhesively fixed with side of the magnetic circuit component 20 away from vibrating diaphragm 40 and is connected, i.e. circuit board 70 and magnetic
Yoke 21 in road component 20 is adhesively fixed connection.In the present embodiment, can be by glue or double faced adhesive tape by circuit board 70
It is fixed together with yoke 21.
Optionally, sensor 60 is pressure sensor or distance measuring sensor.
In embodiments of the present invention, sensor 60 can be pressure sensor or distance measuring sensor.
It should be noted that when sensor 60 is pressure sensor, it is necessary to by magnetic circuit component 20, vibrating diaphragm 40 and voice coil loudspeaker voice coil 30
Between form the first accommodating cavity 50 and be arranged to sealing space, the one end of mounting hole 24 provided with pressure sensor is also required to carry out close
Envelope.Because with the continuous vibration of vibrating diaphragm 40, the pressure in sealing space can also change therewith, therefore can be logical with pressure sensor
The intensity of pressure size for detecting the confined space is crossed, and then passes through the amplitude of intensity of pressure size calculating vibrating diaphragm.
When sensor 60 is distance measuring sensor, the amplitude of vibrating diaphragm 40 can be directly obtained by distance measuring sensor.Wherein,
Distance measuring sensor can be laser range sensor, infrared distance sensor or ultrasonic distance-measuring sensor.
Optionally, loudspeaker 100 also includes cover plate 80, and cover plate 80 is docked with housing 10, and vibrating diaphragm 40 is located at cover plate 80 and shell
Between body 10, cover plate 80 is provided with the second accommodating cavity 81.
In embodiments of the present invention, by the way that the cover plate 80 provided with the second accommodating cavity 81 is fitted docking with housing 10, and will
Vibrating diaphragm 40 is located between cover plate 80 and housing 10, and such vibrating diaphragm 40 can be carried out in the second accommodating cavity 81 and the first accommodating cavity 50
Up-down vibration.
Wherein, cover plate 80 can be formed by high polymer material injection molding, and the high polymer material can be that polyamide is high
Molecular material or polymeric liquid crystal copolymer material.
It should be noted that in embodiments of the present invention, the size of mounting hole 24 is matched with the size of sensor 60.Install
The shape in hole 24 can be the shape of circle, prismatic or square, i.e. first through hole 211, the second through hole 221 and third through-hole 231
Shape can be circular, prismatic or square.In the present embodiment, mounting hole 24 is conveniently of circular shape, i.e. first through hole
211st, the second through hole 221 and third through-hole 231 is conveniently of circular shape.
And because sensor 60 provided in an embodiment of the present invention has the characteristics of precision is high, size is small, by sensor 60
After setting in mounting hole 24, it will not additionally increase the physical dimension of loudspeaker, also not interfere with the performance of loudspeaker.
The embodiment of the present invention further relates to a kind of mobile terminal, including above-mentioned loudspeaker.
Wherein, the mobile terminal can be with mobile phone, tablet personal computer, personal digital assistant (Personal Digital
Assistant, PDA), E-book reader, MP3 (dynamic image expert's compression standard audio aspect 3, Moving Picture
Experts Group Audio Layer III) player, MP4 (dynamic image expert's compression standard audio aspects 4, Moving
Picture Experts Group Audio Layer IV) player, pocket computer on knee, vehicle-mounted computer, desk-top meter
Calculation machine, set top box, intelligent TV set, wearable device etc..
It should be noted that the implementation of above-mentioned loudspeaker embodiment is equally applicable to the embodiment of the mobile terminal
In, and identical technique effect can be reached, it will not be repeated here.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of loudspeaker, it is characterised in that including housing, magnetic circuit component, voice coil loudspeaker voice coil and vibrating diaphragm, the magnetic circuit component, the sound
Circle and the vibrating diaphragm are respectively positioned in the housing, and the magnetic circuit component is connected with the vibrating diaphragm by the voice coil loudspeaker voice coil, and are formed
First accommodating cavity, the magnetic circuit component is provided with mounting hole, and the mounting hole is connected with first accommodating cavity, wherein, the peace
Dress is provided with the sensor for being used for detecting the vibrating diaphragm amplitude in hole.
2. loudspeaker according to claim 1, it is characterised in that the loudspeaker also includes circuit board, the sensor
Electrically connected with the circuit board, the circuit board is fitted with the side of the magnetic circuit component away from the vibrating diaphragm and is fixedly connected.
3. loudspeaker according to claim 2, it is characterised in that the circuit board shakes with the magnetic circuit component away from described
The side of film is adhesively fixed connection.
4. loudspeaker according to any one of claim 1 to 3, it is characterised in that the sensor is pressure sensor
Or distance measuring sensor.
5. loudspeaker according to claim 4, it is characterised in that the distance measuring sensor is laser range sensor, red
Outside line distance measuring sensor or ultrasonic distance-measuring sensor.
6. loudspeaker according to any one of claim 1 to 3, it is characterised in that being shaped as the mounting hole be circular,
Prismatic is square.
7. loudspeaker according to any one of claim 1 to 3, it is characterised in that the magnetic circuit component includes layer successively
Folded yoke, magnetite and the magnetic conduction sheet set, and the mounting hole is to sequentially pass through the yoke, the magnetite and the magnetic conduction sheet
Concentric holes, wherein, the magnetic conduction sheet be located between the vibrating diaphragm and the yoke.
8. loudspeaker according to any one of claim 1 to 3, it is characterised in that the loudspeaker also includes cover plate, institute
State cover plate to dock with the housing, the vibrating diaphragm is located between the cover plate and the housing, the cover plate is housed provided with second
Chamber.
9. a kind of mobile terminal, it is characterised in that including the loudspeaker as any one of claim 1 to 8.
10. the mobile terminal according to claim 9, it is characterised in that the mobile terminal includes mobile phone, flat board electricity
Brain, personal digital assistant, E-book reader, MP3 player, MP4 players, pocket computer on knee, vehicle-mounted computer, platform
Formula computer, set top box, intelligent TV set or wearable device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624096.2A CN107295448A (en) | 2017-07-27 | 2017-07-27 | A kind of loudspeaker and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624096.2A CN107295448A (en) | 2017-07-27 | 2017-07-27 | A kind of loudspeaker and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107295448A true CN107295448A (en) | 2017-10-24 |
Family
ID=60103261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624096.2A Pending CN107295448A (en) | 2017-07-27 | 2017-07-27 | A kind of loudspeaker and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107295448A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040316A (en) * | 2017-11-24 | 2018-05-15 | 维沃移动通信有限公司 | A kind of amplitude detection method and mobile terminal |
| CN108430004A (en) * | 2018-04-16 | 2018-08-21 | 维沃移动通信有限公司 | A kind of loud speaker amplitude regulating device, adjusting method and mobile terminal |
| CN112291685A (en) * | 2020-10-29 | 2021-01-29 | 维沃移动通信有限公司 | Method and device for balancing loudspeaker vibration, loudspeaker and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1049353A2 (en) * | 1999-04-26 | 2000-11-02 | Matsushita Electric Industrial Co., Ltd. | Bass reproduction speaker apparatus |
| CN102595280A (en) * | 2012-01-18 | 2012-07-18 | 精拓丽音科技（北京）有限公司 | Speaker integrated system with sensor feedback and drive circuit |
| CN205430595U (en) * | 2015-11-30 | 2016-08-03 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205961434U (en) * | 2016-07-18 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
-
2017
- 2017-07-27 CN CN201710624096.2A patent/CN107295448A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1049353A2 (en) * | 1999-04-26 | 2000-11-02 | Matsushita Electric Industrial Co., Ltd. | Bass reproduction speaker apparatus |
| CN102595280A (en) * | 2012-01-18 | 2012-07-18 | 精拓丽音科技（北京）有限公司 | Speaker integrated system with sensor feedback and drive circuit |
| CN205430595U (en) * | 2015-11-30 | 2016-08-03 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205961434U (en) * | 2016-07-18 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108040316A (en) * | 2017-11-24 | 2018-05-15 | 维沃移动通信有限公司 | A kind of amplitude detection method and mobile terminal |
| CN108430004A (en) * | 2018-04-16 | 2018-08-21 | 维沃移动通信有限公司 | A kind of loud speaker amplitude regulating device, adjusting method and mobile terminal |
| CN108430004B (en) * | 2018-04-16 | 2020-09-25 | 维沃移动通信有限公司 | Loudspeaker amplitude adjusting device, adjusting method and mobile terminal |
| CN112291685A (en) * | 2020-10-29 | 2021-01-29 | 维沃移动通信有限公司 | Method and device for balancing loudspeaker vibration, loudspeaker and storage medium |
| CN112291685B (en) * | 2020-10-29 | 2022-04-12 | 维沃移动通信有限公司 | Method and device for balancing loudspeaker vibration, loudspeaker and storage medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20171024 |