CN205961431U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN205961431U CN205961431U CN201620754843.5U CN201620754843U CN205961431U CN 205961431 U CN205961431 U CN 205961431U CN 201620754843 U CN201620754843 U CN 201620754843U CN 205961431 U CN205961431 U CN 205961431U
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- CN
- China
- Prior art keywords
- vibrating diaphragm
- light
- light source
- speaker according
- frame
- 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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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
The utility model discloses a loudspeaker. Loudspeaker includes the basin frame, approximately locates the protecgulum of basin frame, accept in vibration system, drive in the basin frame the magnetic circuit of vibration system vibration, locate the support piece of protecgulum top, be fixed in support piece reaches at a distance from the light piece with electric light source of being connected of external circuit and photosensitive sensor, vibration system is including being fixed in the vibrating diaphragm and the drive of basin frame the voice coil loudspeaker voice coil of vibrating diaphragm vibration, the protecgulum is including locating the transmitting material and the ring of vibrating diaphragm top are located transmitting material and with this somatic part that the basin frame is connected, support piece locates the transmitting material top separate light with support piece with transmitting material connects, the light source with photosensitive sensor distribute in the relative both sides that separate the light piece. The utility model provides a loudspeaker is located the limit range who does not take place any collision all the time because of the vibrating diaphragm amplitude to can continuously guarantee its tin of sense and tone quality.
Description
【Technical field】
This utility model is related to electroacoustic conversion art and in particular to a kind of speaker.
【Background technology】
Speaker, as a kind of microphone device for electronic equipments such as mobile phone, flat boards, is widely used in the day of people
In often living.
In correlation technique, the magnetic circuit system that speaker includes vibrational system and drives described vibrational system vibration, wherein, shakes
The voice coil loudspeaker voice coil that dynamic system includes vibrating diaphragm and drives diaphragm oscillations, promotes surrounding air vibration to realize the signal of telecommunication extremely by diaphragm oscillations
The conversion of acoustical signal.Vibrating diaphragm, in vibration processes, when amplitude is excessive, easily drives other parts in vibrational system and raises one's voice
Stationary parts in device collides, and these collisions will result in the distortion of acoustical signal, makes speaker cannot constantly ensure height
The sense of hearing of quality and tonequality, and it is difficult to ensure that the reliability yield of product.
Therefore, it is necessary to provide a kind of new speaker to solve above-mentioned technical problem.
【Utility model content】
The purpose of this utility model is to overcome above-mentioned technical problem, provides one kind to make vibrating diaphragm amplitude be always positioned at not occurring to appoint
In the limit range of what collision, thus ensureing the speaker of its sense of hearing and tonequality.
The technical solution of the utility model is as follows：
A kind of speaker, the protecgulum including frame, being covered on described frame, the vibrational system being contained in described frame,
Drive the magnetic circuit system of described vibrational system vibration, the support member above described protecgulum, be fixed on described support member and with
The light source of external circuit electrical connection and light sensor and every light part, described vibrational system includes being fixed on the vibrating diaphragm of described frame
With the voice coil loudspeaker voice coil driving described diaphragm oscillations, described protecgulum includes the transmission element above described vibrating diaphragm and is located on described printing opacity
Part and the body being connected with described frame, described support member above described transmission element, described every light part and described support
Part and described transmission element connect, and described light source and described light sensor are distributed in the described opposite sides every light part.
Preferably, described light source and described light sensor all with described transmission element just to setting.
Preferably, described it is seamlessly connected with described support member and described transmission element respectively every light part.
Preferably, described transmission element and described vibrating diaphragm interval setting.
Preferably, described protecgulum has the vocal hole located at described transmission element.
Preferably, described light source and described light sensor are located at the surface of described vocal hole.
Preferably, described light sensor is in photodiode, phototriode, photoconductive resistance or photomultiplier tube
A kind of.
Preferably, described vibrational system also includes being connected with described frame and flexibly supporting the FPC plate of described voice coil loudspeaker voice coil, described
FPC plate is connected with described vibrating diaphragm.
Preferably, described magnetic circuit system includes the magnetic bowl with receiving space, the magnet portion being contained in described magnetic bowl, described
Magnetic bowl is connected with described frame.
Preferably, described magnetic circuit system also includes the alignment pin for fixing described magnetic bowl and described magnet portion, described fixed
Position pin runs through described magnetic bowl and described magnet portion.
Compared with correlation technique, the speaker that this utility model provides has the beneficial effects that：
First, pass through to increase light source and light sensor, and described light source and described light sensor external, described transmission element
So that the amplitude of the described vibrating diaphragm of described light source detection is exported with light signal, and by described vibrating diaphragm, described light signal is reflected
To described light sensor, the amplitude variations of described vibrating diaphragm are converted into change in electric by described light sensor, then by electricity
To external circuit, external circuit passes through to detect that the current signal of described light sensor output obtains institute signal intensity data output
State the amplitude signal of vibrating diaphragm, and then the input signal of the described speaker of regulation, so that the amplitude of described vibrating diaphragm is in all the time and do not occur
In the limit range of any collision, thus ensureing the speaker of its sense of hearing and tonequality.
2nd, described protecgulum has the vocal hole located at described transmission element, and described light source and described light sensor located at
The surface of described vocal hole, part light source directly carries out light transmission through described vocal hole, can improve light source and transmit to described
The utilization rate of light sensor, and then improve the accuracy of testing result.
【Brief description】
Fig. 1 is the perspective view of this utility model speaker；
Fig. 2 is the perspective exploded view of speaker shown in Fig. 1；
Fig. 3 is speaker shown in Fig. 1 along the cross-sectional view of line A-A.
【Specific embodiment】
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Please refer to Fig. 1, Fig. 2 and Fig. 3, wherein figure is the perspective view for this utility model speaker for the Fig. 1；
Fig. 2 is the perspective exploded view of speaker shown in Fig. 1；Fig. 3 is speaker shown in Fig. 1 along the cross-sectional view of line A-A.
Described speaker 100 includes frame 1, the protecgulum 2 being covered on described frame 1, magnetic circuit system 3, vibrational system 4, support member 5, consolidates
Due to the light source 6 of described support member 5 and light sensor 7 be connected with described protecgulum 2 and described support member 5 every light part 8.When
Speaker 100 is arranged in mobile terminal, and support member 5 can be the structures such as wiring board, the shell of mobile terminal.
Described frame 1 and described protecgulum 2 enclose formation one receiving space, and described magnetic circuit system 3 and described vibrational system 4 are received
It is dissolved in described receiving space.
Described protecgulum 2 includes being located therein and the transmission element 21 located at described vibrational system 4 top, be located on described
Light part 21 and the body 22 that is connected with described frame 1 and the vocal hole 23 located at described transmission element 21, described transmission element 21 by
Light transmissive material is made.
Described magnetic circuit system 3 include being fixed on described frame 1 magnetic bowl 31, be contained in described magnetic bowl 31 magnet portion 32 and
For fixing the alignment pin 33 of described magnetic bowl 31 and described magnet portion 32.One end of described magnetic bowl 31 is provided with multiple holding sections 311,
Specifically, described holding section 311 is located at the top of described magnetic bowl 31.Corresponding, the bottom of described frame 1 is provided with multiple and described
The one-to-one locating slot 11 in holding section 311, described magnetic bowl 31 is with described frame 1 by described holding section 311 and described positioning
Groove 11 is connected, and connected mode can be clamping.
Described magnet portion 32 includes magnet steel 321 and the pole piece 322 being stacked at described magnet steel 321, described magnet steel 321 with described
Magnetic bowl 31 interval setting forms magnetic gap.
Described alignment pin 33 runs through the middle part of described magnetic bowl 31 and described magnet portion 32.
Described vibrational system 4 is included vibrating diaphragm 41, the voice coil loudspeaker voice coil 42 driving described vibrating diaphragm 41 vibration and is connected simultaneously with described frame 1
Flexibly support the FPC plate 43 of described voice coil loudspeaker voice coil 42.
Described vibrating diaphragm 41 includes ring portion 411 and top dome 412, described ring portion 411 and described top dome 412 respectively with described
FPC plate 43 connects.Described vibrating diaphragm 41 and described transmission element 21 interval setting.
One end of described voice coil loudspeaker voice coil 42 is connected with described top dome 412, and the other end inserts described magnet steel 321 and described magnetic bowl 31 shape
The magnetic gap becoming.
Described FPC plate 43 is elastic plate support, and it is provided with vacancy section it is ensured that airflow.
Above described protecgulum 2, it can be tabular to described support member 5, for supporting fixing described light source 6 and institute
State light sensor 7, make described light source 6 and described light sensor 7 be external mode.Described light source 6 and described light sensor
Device 7 is all electrically connected with external circuit, and described light source 6 is used for detecting the amplitude of described vibrating diaphragm 41, and with light signal output；Described
Light sensor 7 is used for receiving the light signal of described light source 6, and described light is transmitted to external circuit.
Described light source 6 and described light sensor 7 make the light of described light source 6 all with described transmission element 21 just to setting
Signal enters described frame 1 after described transmission element 21 and described protecgulum 2 encloses in the receiving space of formation, and specially light arrives
Reach described vibrating diaphragm 41.
The described two ends every light part 8 connect described support member 5 respectively and described transmission element 21 connects, by described light source 6 He
Described light sensor 7 subregion setting is it is ensured that the light signal of described light source 6 is all transmitted to described light by way of refraction
Dependent sensor 7.Preferably, described it is seamlessly connected it is ensured that described respectively with described support member 5 and described transmission element 21 every light part 8
The light signal that light sensor 7 receives is strong.By way of refraction, light signal is transmitted to described light sensor 7,
The height space that described light source 6 and described light sensor 7 take can be reduced, and then associated electronic device can be reduced further
Height is so as to more lightening.
Preferably, described light source 6 and described light sensor 7, located at the surface of described vocal hole 23, make part light source
Directly carry out light transmission through described vocal hole 23, light source can be improved and transmit to the utilization rate of described light sensor 7, Jin Erti
The accuracy of high detection result.
Described light sensor 5 is one of photodiode, phototriode, photoconductive resistance or photomultiplier tube,
The amplitude of described vibrating diaphragm 31 can be obtained exactly according to the current signal collecting.
During work, described light source 6 detects the amplitude of described vibrating diaphragm 41, and described transmission element 21 makes the institute of described light source 6 detection
The amplitude stating vibrating diaphragm 41 is exported with light signal, and by described top dome 412, described light signal is refracted to described photosensitive biography
Sensor 7, the amplitude variations of described vibrating diaphragm 41 are converted into change in electric by described light sensor 7, then by change in electric
To external circuit, external circuit passes through to detect that the current signal of described light sensor output obtains described vibrating diaphragm data output
Amplitude signal, and then adjust the input signal of described speaker, so that the amplitude of described vibrating diaphragm is in all the time and any collision does not occur
Limit range in, thus ensureing the speaker of its sense of hearing and tonequality.
Compared with correlation technique, the speaker that this utility model provides has the beneficial effects that：
First, pass through to increase outside described light source 6 and described light sensor 7, and described light source 6 and described light sensor 7
Put, described transmission element 21 makes the amplitude of the described vibrating diaphragm 41 of described light source 6 detection export with light signal, and passes through described vibrating diaphragm
Described light signal is refracted to described light sensor 7 by 41, and the amplitude variations of described vibrating diaphragm 41 are turned by described light sensor 7
Change change in electric into, then by change in electric data output to external circuit, external circuit passes through to detect described photosensitive biography
The current signal of sensor 7 output obtains the amplitude signal of described vibrating diaphragm, and then the input signal of the described speaker of regulation, makes described
The amplitude of vibrating diaphragm 41 is in the limit range that any collision does not occur all the time, thus ensureing the speaker of its sense of hearing and tonequality.
2nd, described protecgulum 2 has the vocal hole 23 located at described transmission element, and described light source 6 and described light sensor 7
Located at the surface of described vocal hole 23, part light source directly carries out light transmission through described vocal hole 23, can improve light source and pass
Transport to the utilization rate of described light sensor 7, and then improve the accuracy of testing result.
Above-described is only embodiment of the present utility model, it should be noted here that the ordinary skill for this area
For personnel, on the premise of creating design without departing from this utility model, improvement can also be made, but these belong to this practicality
New protection domain.
Claims (10)
1. a kind of speaker, the protecgulum including frame, being covered on described frame, the vibrational system being contained in described frame and drive
The magnetic circuit system of dynamic described vibrational system vibration, the vibrating diaphragm that described vibrational system includes being fixed on described frame shakes with described in driving
The voice coil loudspeaker voice coil of film vibration is it is characterised in that described protecgulum includes the transmission element above described vibrating diaphragm and is located on described printing opacity
Part and the body being connected with described frame, described speaker also includes support member above described transmission element, is fixed on
The described support member light source with external circuit electrical connection and light sensor are connected with described support member and described transmission element
Every light part, described light source and described light sensor are distributed in the described opposite sides every light part.
2. speaker according to claim 1 it is characterised in that described light source and described light sensor all with described
Light part is just to setting.
3. speaker according to claim 1 it is characterised in that described every light part respectively with described support member and described
Light part is seamlessly connected.
4. speaker according to claim 1 is it is characterised in that described transmission element and described vibrating diaphragm interval setting.
5. speaker according to claim 1 is it is characterised in that described protecgulum has the sounding located at described transmission element
Hole.
6. speaker according to claim 5 is it is characterised in that described light source and described light sensor are located at described
The surface of acoustic aperture.
7. speaker according to any one of claim 1 to 6 is it is characterised in that described light sensor is photoelectricity two
One of pole pipe, phototriode, photoconductive resistance or photomultiplier tube.
8. speaker according to claim 1 is it is characterised in that described vibrational system also includes being connected simultaneously with described frame
Flexibly support the FPC plate of described voice coil loudspeaker voice coil, described FPC plate is connected with described vibrating diaphragm.
9. speaker according to claim 1 is it is characterised in that described magnetic circuit system includes the magnetic with receiving space
Bowl, it is contained in the magnet portion of described magnetic bowl, described magnetic bowl is connected with described frame.
10. speaker according to claim 9 is it is characterised in that described magnetic circuit system is also included for fixing described magnetic
Bowl and the alignment pin of described magnet portion, described alignment pin runs through described magnetic bowl and described magnet portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754843.5U CN205961431U (en) | 2016-07-18 | 2016-07-18 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754843.5U CN205961431U (en) | 2016-07-18 | 2016-07-18 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961431U true CN205961431U (en) | 2017-02-15 |
Family
ID=57971030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620754843.5U Expired - Fee Related CN205961431U (en) | 2016-07-18 | 2016-07-18 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961431U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658315A (en) * | 2017-03-18 | 2017-05-10 | 歌尔股份有限公司 | Moving-magnetic type loudspeaker |
| CN109151681A (en) * | 2018-08-03 | 2019-01-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group |
| CN112291687A (en) * | 2020-11-18 | 2021-01-29 | 广东长虹电子有限公司 | Loudspeaker detection system and detection equipment |
-
2016
- 2016-07-18 CN CN201620754843.5U patent/CN205961431U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658315A (en) * | 2017-03-18 | 2017-05-10 | 歌尔股份有限公司 | Moving-magnetic type loudspeaker |
| CN109151681A (en) * | 2018-08-03 | 2019-01-04 | 瑞声科技(新加坡)有限公司 | Loudspeaker mould group |
| CN112291687A (en) * | 2020-11-18 | 2021-01-29 | 广东长虹电子有限公司 | Loudspeaker detection system and detection equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20210718 |