CN205847575U - Speaker - Google Patents
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- Publication number
- CN205847575U CN205847575U CN201620754847.3U CN201620754847U CN205847575U CN 205847575 U CN205847575 U CN 205847575U CN 201620754847 U CN201620754847 U CN 201620754847U CN 205847575 U CN205847575 U CN 205847575U
- Authority
- CN
- China
- Prior art keywords
- speaker
- accelerometer
- voice coil
- frame
- vibrating diaphragm
- 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.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The open a kind of speaker of this utility model.Described speaker includes frame, the vibrational system being contained in described frame, the magnetic circuit system driving described vibrational system to vibrate and the accelerometer electrically connected with external circuit, described vibrational system includes vibrating diaphragm, the voice coil loudspeaker voice coil driving described diaphragm oscillations and is connected and flexibly supports the support member of described voice coil loudspeaker voice coil with described frame, described accelerometer is used for detecting described vibrating diaphragm amplitude, and described support member is located at by described accelerometer.In the speaker that this utility model provides is always positioned at not occurring the limit range of any collision because of vibrating diaphragm amplitude, it is thus possible to persistently ensure its sense of hearing and tonequality.
Description
[technical field]
This utility model relates to electroacoustic conversion art, is specifically related to a kind of speaker.
[background technology]
Speaker, as a kind of microphone device for the electronic equipment such as mobile phone, flat board, is widely used in the day of people
Often in life.
In correlation technique, speaker includes vibrational system and the magnetic circuit system driving described vibrational system to vibrate, and wherein, shakes
Dynamic system includes vibrating diaphragm and drives the voice coil loudspeaker voice coil of diaphragm oscillations, promotes surrounding air to vibrate by diaphragm oscillations and realizes the signal of telecommunication extremely
The conversion of acoustical signal.Vibrating diaphragm is 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 ensure height constantly
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, it is provided that one makes vibrating diaphragm amplitude be always positioned at not to occur to appoint
In the limit range of what collision, thus ensure the speaker of its sense of hearing and tonequality.
The technical solution of the utility model is as follows:
A kind of speaker, the vibrational system including frame, being contained in described frame, drives described vibrational system to vibrate
Magnetic circuit system and the accelerometer electrically connected with external circuit.Described vibrational system includes vibrating diaphragm, drives described diaphragm oscillations
Voice coil loudspeaker voice coil and be connected and flexibly support the support member of described voice coil loudspeaker voice coil with described frame, described accelerometer is used for detecting described vibrating diaphragm and shakes
Width, described support member is located at by described accelerometer.
Preferably, described vibrating diaphragm includes ring portion and top dome, described support member respectively with described ring portion and described top dome
Connecting, described voice coil loudspeaker voice coil is connected with described top dome and inserts described magnetic circuit system.
Preferably, described support member includes connecting described ring portion and the supporting part of described top dome, connecting described frame
Fixed part and connect described supporting part and the transition part of described fixed part, described transition part is located at by described accelerometer.
Preferably, the described transition part side near described ring portion is located at by described accelerometer.
Preferably, described ring portion includes ring body, from the outside of described ring body, extension is connected with described frame
The first connecting portion and from the inner side of described ring body extend the second connecting portion being connected with described support member, described acceleration
Degree meter and described ring body are just to setting.
Preferably, described accelerometer is piezoelectric accelerometer, piezoresistive accelerometer or potentiometer type accelerometer.
Preferably, described magnetic circuit system includes having the magnetic bowl of receiving space, be contained in the magnet portion of described magnetic bowl, described
Magnetic bowl is connected with described frame.
Preferably, described magnetic circuit system also includes for fixing described magnetic bowl and the alignment pin of described magnet portion, described fixed
Position pin runs through described magnetic bowl and described magnet portion.
Preferably, described magnetic bowl is provided with multiple holding section near one end of described vibrating diaphragm, and described frame includes and multiple institutes
Stating the most multiple locating slot in holding section, described magnetic bowl is coordinated by described holding section and described locating slot with described frame
Connect.
Compared with correlation technique, the speaker that this utility model provides has the beneficial effects that: by increasing and external circuit
The accelerometer of electrical connection, detection vibrating diaphragm is in instantaneous acceleration the most in the same time, and is exported to external circuit, outward by detection signal
Portion's circuit is calculated the real-time amplitude of vibrating diaphragm according to the instantaneous acceleration of detection and the variation relation of acceleration and displacement, enters
And regulate the input signal of speaker, make the amplitude of vibrating diaphragm be in all the time in the limit range that any collision does not occur, it is thus possible to
Persistently ensure sense of hearing and the tonequality of described speaker.
[accompanying drawing explanation]
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 that speaker shown in Fig. 1 is along the cross-sectional view of line A-A.
[detailed description of the invention]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Incorporated by reference to refering to Fig. 1, Fig. 2 and Fig. 3, wherein figure be Fig. 1 be the perspective view of this utility model speaker；
Fig. 2 is the perspective exploded view of speaker shown in Fig. 1；Fig. 3 is that speaker shown in Fig. 1 is along the cross-sectional view of line A-A.
Described speaker 100 includes frame 1, magnetic circuit system 2, vibrational system 3 and accelerometer 4, described magnetic circuit system 2, vibrational system
3, in accelerometer 4 is contained in described frame 1.
Described magnetic circuit system 2 include being fixed on described frame 1 magnetic bowl 21, be contained in described magnetic bowl 21 magnet portion 22 and
For fixing the alignment pin 23 of described magnetic bowl 21 and described magnet portion 22.One end of described magnetic bowl 21 is provided with multiple holding section 211,
Concrete, the top of described magnetic bowl 21 is located in described holding section 211.Corresponding, the bottom of described frame 1 is provided with multiple and described
Locating slot 11 one to one, holding section 211, described magnetic bowl 21 and described frame 1 are by described holding section 211 and described location
Groove 11 is connected, and connected mode can be clamping.
Described magnet portion 22 includes magnet steel 221 and is stacked at the pole piece 222 of described magnet steel 221, and described magnet steel 221 is with described
Magnetic bowl 21 interval arranges formation magnetic gap.
Described alignment pin 23 runs through described magnetic bowl 21 and the middle part of described magnet portion 22.
Described vibrational system 3 includes vibrating diaphragm 31, the voice coil loudspeaker voice coil 32 driving described vibrating diaphragm 31 to vibrate and is connected also with described frame 1
Flexibly support the support member 33 of described voice coil loudspeaker voice coil 32.
Described vibrating diaphragm 31 includes ring portion 311 and top dome 312, and described ring portion 311 and described top dome 312 are respectively with described
Support member 33 connects.Described ring portion 311 includes ring body 3111, extends with described from the outside of described ring body 3111
The first connecting portion 3112 that frame 1 connects and being connected with described support member 33 of extending from the inner side of described ring body 3111
Second connecting portion 3113.
One end of described voice coil loudspeaker voice coil 32 is connected with described top dome 312, and the other end inserts described magnet steel 221 and described magnetic bowl 21 shape
The magnetic gap become.
Described support member 33 is elastic plate support, and it is provided with vacancy section, it is ensured that airflow.Described support member 33 is preferred
For FPC support member.Described support member 33 includes connecting described ring portion 311 and the supporting part 331 of described top dome 312, connecting institute
State the fixed part 332 of frame 1 and connect the transition part 333 of described supporting part 331 and described fixed part 332.Concrete, described
Support part 331 is connected to described second connecting portion 3113 in described ring portion 311.
Described accelerometer 4 is located at described support member 33 and electrically connects with external circuit, for detecting described vibrating diaphragm 31
Amplitude.Concrete, the described transition part 333 side near described ring portion 311 is located at by described accelerometer 4, and with described folding
Ring body 3111 is just to setting.Described accelerometer 4 detects described vibrating diaphragm 31 instantaneous acceleration the most in the same time in real time, and will
Detection signal output is to external circuit, and external circuit is according to the instantaneous acceleration detected and acceleration and the variation relation of displacement
It is calculated the real-time amplitude of described vibrating diaphragm 31, thus regulates the input signal of described speaker in real time.
Described accelerometer 4 is piezoelectric accelerometer, piezoresistive accelerometer or potentiometer type accelerometer, not similar shape
The accelerometer of formula has different performance performances to the speaker being set with various amplitude, can select according to specific circumstances
Select.
Compared with correlation technique, the speaker that this utility model provides has the beneficial effects that: by increasing and external circuit
The accelerometer 4 of electrical connection, detects described vibrating diaphragm 31 in instantaneous acceleration the most in the same time and outside by detecting signal output
Circuit, external circuit is calculated the real-time of vibrating diaphragm according to instantaneous acceleration and the acceleration of detection with the variation relation of displacement
Amplitude, and then regulate in real time the input signal of described speaker 100, make the amplitude of described vibrating diaphragm 31 be in all the time do not occur any
In the limit range of collision, it is thus possible to persistently ensure sense of hearing and the tonequality of described speaker 100.
Above-described is only embodiment of the present utility model, it should be noted here that for the ordinary skill of this area
For personnel, on the premise of creating design without departing from this utility model, it is also possible to make improvement, but these belong to this practicality
Novel protection domain.
Claims (9)
1. a speaker, the vibrational system including frame, being contained in described frame and drive described vibrational system to vibrate
Magnetic circuit system, described vibrational system includes vibrating diaphragm, the voice coil loudspeaker voice coil driving described diaphragm oscillations and is connected with described frame and elastic
Support the support member of described voice coil loudspeaker voice coil, it is characterised in that described speaker also includes the accelerometer for detecting described vibrating diaphragm amplitude,
Described accelerometer is located at described support member and electrically connects with external circuit.
Speaker the most according to claim 1, it is characterised in that described vibrating diaphragm includes ring portion and top dome, described support
Part is connected with described ring portion and described top dome respectively, and described voice coil loudspeaker voice coil is connected with described top dome and inserts described magnetic circuit system.
Speaker the most according to claim 2, it is characterised in that described support member includes connecting described ring portion and described
The supporting part of top dome, connect the fixed part of described frame and connect described supporting part and the transition part of described fixed part, described in add
Described transition part is located at by velometer.
Speaker the most according to claim 3, it is characterised in that described accelerometer is located at described transition part near described
The side in ring portion.
Speaker the most according to claim 4, it is characterised in that described ring portion includes ring body, from described ring
The outside of body extend the first connecting portion being connected with described frame and from the extension of the inner side of described ring body with described
The second connecting portion that support member connects, described accelerometer and described ring body are just to setting.
6. according to the speaker according to any one of claim 1-5, it is characterised in that described accelerometer is that piezoelectric type is accelerated
Degree meter, piezoresistive accelerometer or potentiometer type accelerometer.
Speaker the most according to claim 1, it is characterised in that described magnetic circuit system includes the magnetic with receiving space
Bowl, being contained in the magnet portion of described magnetic bowl, described magnetic bowl is connected with described frame.
Speaker the most according to claim 7, it is characterised in that described magnetic circuit system also includes for fixing described magnetic bowl
With the alignment pin of described magnet portion, described alignment pin runs through described magnetic bowl and described magnet portion.
Speaker the most according to claim 7, it is characterised in that described magnetic bowl is provided with multiple near one end of described vibrating diaphragm
Holding section, described frame includes and the most multiple locating slot in multiple described holding sections, and described magnetic bowl leads to described frame
Cross described holding section and described locating slot is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754847.3U CN205847575U (en) | 2016-07-18 | 2016-07-18 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620754847.3U CN205847575U (en) | 2016-07-18 | 2016-07-18 | Speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847575U true CN205847575U (en) | 2016-12-28 |
Family
ID=57619321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620754847.3U Expired - Fee Related CN205847575U (en) | 2016-07-18 | 2016-07-18 | Speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205847575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911988A (en) * | 2017-03-31 | 2017-06-30 | 歌尔股份有限公司 | Vibrating diaphragm, loudspeaker and its assemble method |
| CN111641903A (en) * | 2020-05-20 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sounding device |
| 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 CN201620754847.3U patent/CN205847575U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106911988A (en) * | 2017-03-31 | 2017-06-30 | 歌尔股份有限公司 | Vibrating diaphragm, loudspeaker and its assemble method |
| CN106911988B (en) * | 2017-03-31 | 2023-09-29 | 歌尔股份有限公司 | Vibrating diaphragm, loudspeaker and assembling method thereof |
| CN111641903A (en) * | 2020-05-20 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sounding device |
| CN111641903B (en) * | 2020-05-20 | 2021-12-21 | 瑞声科技(新加坡)有限公司 | Sounding device |
| 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 |
Granted publication date: 20161228 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |