CN207835793U - A kind of Double-vibrating-diaspeaker speaker - Google Patents
A kind of Double-vibrating-diaspeaker speaker Download PDFInfo
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- CN207835793U CN207835793U CN201721831487.3U CN201721831487U CN207835793U CN 207835793 U CN207835793 U CN 207835793U CN 201721831487 U CN201721831487 U CN 201721831487U CN 207835793 U CN207835793 U CN 207835793U
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- vibrating
- diaspeaker
- double
- voice coil
- vibrating diaphragm
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Abstract
The utility model discloses a kind of Double-vibrating-diaspeaker speakers, belong to electro-acoustic product technical field, including shell and the vibrational system being housed in the shell and magnetic circuit system, the vibrational system includes Voice coil assemblies, the Voice coil assemblies include speech coil framework and the voice coil that is fixed on the outside of the speech coil framework, the top and bottom of the speech coil framework have been respectively fixedly connected with vibrating diaphragm and lower vibrating diaphragm, and the voice coil is fixed on the middle part of the speech coil framework.The corresponding stress-electric coupling factor of the vibration displacement of Voice coil assemblies is symmetrical with the variation relatively flat of displacement in the design, can reduce the total harmonic distortion of loud speaker, improves acoustical quality.
Description
Technical field
The utility model is related to electro-acoustic product technical field, more particularly to a kind of Double-vibrating-diaspeaker speaker.
Background technology
Loud speaker is a kind of important acoustic element in electronic equipment, is turned between electric signal and voice signal for completing
It changes, is a kind of energy conversion device.Loud speaker generally includes shell, and vibrational system and magnetic circuit system are contained in shell, vibration
System includes vibrating diaphragm and Voice coil assemblies, and magnetic circuit system includes conductive magnetic yoke, magnet and magnetic conductive board, and one end of Voice coil assemblies is suspended at magnetic
In the magnetic gap of road system, and reciprocal cutting magnetic line movement is done in magnetic gap, to drive vibrating diaphragm to instigate space sounding.
Traditional loudspeaker monomer using single vibrating diaphragm is easy to happen polarization, and there are the Double-vibrating-diaspeaker speaker lists of upper and lower vibrating diaphragm
Body can effectively inhibit to polarize.For Double-vibrating-diaspeaker speaker, due to there is vibrating diaphragm up and down, the voice coil on speech coil framework is not full
In the case of layer distribution, usually voice coil is arranged in the lower part of speech coil framework so as to more cutting magnetic induction lines, but in sound
In the vibration processes of coil assembly, corresponding stress-electric coupling factor is not symmetrical, has larger total harmonic distortion.
Utility model content
Technical problem to be solved in the utility model is：A kind of Double-vibrating-diaspeaker speaker, the vibration position of Voice coil assemblies are provided
It is symmetrical with the variation relatively flat of displacement to move corresponding stress-electric coupling factor, the total harmonic distortion of loud speaker can be reduced, have compared with
Good acoustical quality.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of Double-vibrating-diaspeaker speaker, including shell and the vibrational system that is housed in the shell and magnetic circuit system, it is described
Vibrational system includes Voice coil assemblies, and the Voice coil assemblies include speech coil framework and the voice coil that is fixed on the outside of the speech coil framework,
The top and bottom of the speech coil framework have been respectively fixedly connected with vibrating diaphragm and lower vibrating diaphragm, and the voice coil is fixed on the voice coil bone
The middle part of frame.
Further, the voice coil is formed by being wound on the conducting wire on the outside of the speech coil framework, and the voice coil is radially
Include expiring the second of conductor layer No.1 and the distribution of less than layer that layer is distributed around the speech coil framework to lead with even number conductor layer
Line layer, second conductor layer are arranged in the outside of the conductor layer No.1, and the conducting wire of second conductor layer is wound on described
The middle part of speech coil framework.
Further, the magnetic circuit system includes yoke, and the centre of the yoke is provided with centring magnet, in described
Center magnetic conductive board is provided on heart magnet, the edge of the yoke is provided with side magnet, described when being provided on magnet
Magnetic conductive board.
Further, second conductor layer is distributed relative to the speech coil framework radial symmetric.
Further, there are two the side magnet is set, the two side magnet are oppositely arranged on two long sides of the loud speaker
Side.
Further, it is located at the two side magnetic conductive boards of the loud speaker long side and positioned at the loud speaker short side
The integral structure of annular is connected as between the two side magnetic conductive boards by linking arm.
Further, the linking arm is connected to the inside edge position of the side magnetic conductive board.
Further, the shell includes the upper casing and lower casing being installed together, and the edge part of the upper vibrating diaphragm is fixed on
Between the lower face of the upper casing and the upper surface of the lower casing, the short side in the centring magnet is arranged in the lower vibrating diaphragm.
Further, it is fixedly connected with centring disk between the lower vibrating diaphragm and the lower end of the speech coil framework.
Further, the centring disk is by being respectively provided at the first centring disk and second of two short side of the loud speaker
Centring disk forms, and the lower vibrating diaphragm is by being separately positioned on the first time vibrating diaphragm and second time vibrating diaphragm of two short side of the loud speaker
Composition.
After using above-mentioned technical proposal, the utility model has the beneficial effects that：
Due to a kind of Double-vibrating-diaspeaker speaker of the utility model, including shell and receiving vibrational system inside the shell and magnetic
Road system, vibrational system include Voice coil assemblies, and Voice coil assemblies include speech coil framework and the voice coil that is fixed on the outside of speech coil framework, sound
Circle is fixed on the middle part of speech coil framework so that Voice coil assemblies upwards stress-electric coupling factor corresponding with downward vibration displacement with position
The variation relatively flat of shifting is symmetrical, and to reduce the total harmonic distortion of loud speaker, loud speaker has preferable acoustical quality.
Description of the drawings
Fig. 1 is the decomposition diagram of the utility model Double-vibrating-diaspeaker speaker；
Fig. 2 is the sectional view of the utility model Double-vibrating-diaspeaker speaker；
In figure, 10- upper casings, 11- lower casings, the upper vibrating diaphragms of 20-, vibrating diaphragm under 21-, 22- centring disks, the centers 30- magnetic conductive board,
The sides 31- magnetic conductive board, 40- speech coil frameworks, 41- voice coils, 50- centring magnets, the sides 51- magnet, 60- yokes.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
In the description, it is inside close to the side of speaker center position, the side far from speaker center position is
Outside.
As Fig. 1 and Fig. 2 jointly shown in, a kind of Double-vibrating-diaspeaker speaker includes shell and receiving vibrational system inside the shell
And magnetic circuit system, magnetic circuit system include yoke 60, the centre of yoke 60 is provided with centring magnet 50, is set on centring magnet 50
It is equipped with center magnetic conductive board 30, the edge of yoke 60 is provided with side magnet 51, the magnetic conductive board 31 when being provided on magnet 51.It shakes
Dynamic system includes the Voice coil assemblies and vibrating diaphragm being fixedly connected, and Voice coil assemblies include speech coil framework 40 and are fixed on outside speech coil framework 40
The top and bottom of the voice coil 41 of side, speech coil framework 40 have been respectively fixedly connected with vibrating diaphragm 20 and lower vibrating diaphragm 21.Centring magnet 50
And while magnet 51 and center magnetic conductive board 30 and while magnetic conductive board 31 between form magnetic gap, Voice coil assemblies are arranged in magnetic gap.Sound
Circle 41 is fixed on the middle part of speech coil framework 40.
So, in the vibration processes that voice coil drives vibrating diaphragm so that more voice coils are placed in magnetic gap, can be more
Cutting magnetic induction line, make stress-electric coupling factor BL biggers, the driving force of voice coil also bigger.
Further, as Fig. 1 and Fig. 2 jointly shown in, voice coil 41 is made of the conducting wire for being wound on the outside of speech coil framework 40, sound
Circle 41 has even number conductor layer radially, includes the conductor layer No.1 and less than layer point for expiring layer distribution around speech coil framework 40
Second conductor layer of cloth, the second conductor layer are arranged in the outside of conductor layer No.1, and the conducting wire of the second conductor layer is wound on voice coil bone
The middle part of frame 40.Wherein, the height of conductor layer is unanimously distributed for full layer with speech coil framework 40, and the height of conductor layer is less than voice coil bone
Frame 40 is not then full layer distribution.
Further, the second conductor layer is distributed relative to 40 radial symmetric of speech coil framework.So, voice coil is uniform up and down
Distribution can make the stress-electric coupling factor BL values of the vibration displacement x corresponding positions of vibrating diaphragm, i.e. BL (x) more flat with the variation of frequency
It is smooth symmetrical, the total harmonic distortion of loud speaker can be reduced, loud speaker has preferable acoustical quality.
It should be noted that 40 radial direction of speech coil framework refers to the direction axially vertical with speech coil framework 40.
As shown in Figure 1, there are two side magnet 51 sets, both sides magnet 51 is oppositely arranged on two long sides of loud speaker.It is located at
It the both sides magnetic conductive board 31 of loud speaker long side and is connected by linking arm between the both sides magnetic conductive board 31 of loud speaker short side
For the integral structure of annular, linking arm is connected to the inside edge position of side magnetic conductive board.Shell includes the upper casing being installed together
10 and lower casing 11.Wherein, side magnetic conductive board 31 is combined by Shooting Technique with lower casing 11.It is led positioned at the both sides of loud speaker short side
Magnetic sheet 31 is respectively equipped with air passing hole, which can balance the air pressure of about 31 both sides of side magnetic conductive board.Side magnetic conductive board 31 passes through punching
Press technological forming.
As Fig. 1 and Fig. 2 jointly shown in, the edge part of upper vibrating diaphragm 20 is fixed on the upper end of the lower face and lower casing 11 of upper casing 10
Between face, the short side of 21 centrally disposed magnet 50 of lower vibrating diaphragm.It is fixed between lower vibrating diaphragm 21 and the lower end of speech coil framework 40 to connect
It is connected to centring disk 22.Wherein, the edge of centring disk 22 can be pasted and fixed on the lower face of lower casing 11.Centring disk 22
Setting lower vibrating diaphragm 21 can be linked together with Voice coil assemblies, increase the intensity of lower vibrating diaphragm 21, effectively prevent Voice coil assemblies and
The polarization of lower vibrating diaphragm 21, to improve the Stability and dependability of loud speaker.Wherein, centring disk 22 is by being respectively provided at loud speaker
First centring disk of two short sides and the second centring disk composition, lower vibrating diaphragm 21 is by being separately positioned on two short side of loud speaker
First time vibrating diaphragm and second time vibrating diaphragm composition.
It should be noted that lower face refers to the one side close to conductive magnetic yoke, upper surface refers to the one side close to upper casing.
The Double-vibrating-diaspeaker speaker of the utility model, by by voice coil be arranged the middle part of speech coil framework make Voice coil assemblies to
Upper stress-electric coupling factor corresponding with downward vibration displacement is symmetrical with the variation relatively flat of displacement, to reduce loud speaker
Total harmonic distortion, loud speaker have preferable acoustical quality.
Although the foregoing describe specific embodiment of the present utility model, it should be appreciated by those skilled in the art,
Described embodiment is only a part of the embodiment of the utility model, and instead of all the embodiments, these are only to lift
Example explanation, the scope of protection of the utility model is to be defined by the appended claims.Those skilled in the art is without departing substantially from this
It, can be to these embodiments under any performing creative labour of no process under the premise of the principle and essence of utility model
Various changes or modifications are made, but these change and modification each fall within the scope of protection of the utility model.
Claims (10)
1. a kind of Double-vibrating-diaspeaker speaker, including shell and the vibrational system and magnetic circuit system that are housed in the shell, it is described to shake
Dynamic system includes Voice coil assemblies, and the Voice coil assemblies include speech coil framework and the voice coil that is fixed on the outside of the speech coil framework, institute
The top and bottom for stating speech coil framework have been respectively fixedly connected with vibrating diaphragm and lower vibrating diaphragm, which is characterized in that the voice coil is fixed on
The middle part of the speech coil framework.
2. Double-vibrating-diaspeaker speaker according to claim 1, which is characterized in that the voice coil is by being wound on the speech coil framework
The conducting wire in outside forms, and the voice coil has even number conductor layer radially, including surrounds the speech coil framework and expire layer and be distributed
Conductor layer No.1 and the distribution of less than layer the second conductor layer, second conductor layer is arranged in the outer of the conductor layer No.1
The conducting wire of side, second conductor layer is wound on the middle part of the speech coil framework.
3. Double-vibrating-diaspeaker speaker according to claim 2, which is characterized in that the magnetic circuit system includes yoke, the magnetic
The centre of yoke is provided with centring magnet, and center magnetic conductive board, the edge of the yoke are provided on the centring magnet
It is provided with side magnet, the magnetic conductive board when being provided on magnet.
4. Double-vibrating-diaspeaker speaker according to claim 2, which is characterized in that second conductor layer is relative to the voice coil
Skeleton radial symmetric is distributed.
5. Double-vibrating-diaspeaker speaker according to claim 3, which is characterized in that there are two the side magnet is set, two sides
Magnet is oppositely arranged on two long sides of the loud speaker.
6. Double-vibrating-diaspeaker speaker according to claim 5, which is characterized in that described in be located at the loud speaker long side two
While magnetic conductive board and positioned at the loud speaker short side two it is described while magnetic conductive board between by linking arm be connected as annular one
Structure.
7. Double-vibrating-diaspeaker speaker according to claim 6, which is characterized in that the linking arm is connected to the side magnetic conductive board
Inside edge position.
8. Double-vibrating-diaspeaker speaker according to claim 7, which is characterized in that the shell includes the upper casing being installed together
And lower casing, the edge part of the upper vibrating diaphragm is fixed between the lower face of the upper casing and the upper surface of the lower casing, under described
The short side in the centring magnet is arranged in vibrating diaphragm.
9. Double-vibrating-diaspeaker speaker according to claim 8, which is characterized in that under the lower vibrating diaphragm and the speech coil framework
Centring disk is fixedly connected between end.
10. Double-vibrating-diaspeaker speaker according to claim 9, which is characterized in that the centring disk is described by being respectively provided at
First centring disk of two short side of loud speaker and the second centring disk composition, the lower vibrating diaphragm is by being separately positioned on described raise one's voice
First time vibrating diaphragm of two short side of device and second time vibrating diaphragm composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831487.3U CN207835793U (en) | 2017-12-25 | 2017-12-25 | A kind of Double-vibrating-diaspeaker speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831487.3U CN207835793U (en) | 2017-12-25 | 2017-12-25 | A kind of Double-vibrating-diaspeaker speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835793U true CN207835793U (en) | 2018-09-07 |
Family
ID=63388924
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|---|---|---|---|
| CN201721831487.3U Active CN207835793U (en) | 2017-12-25 | 2017-12-25 | A kind of Double-vibrating-diaspeaker speaker |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769178A (en) * | 2018-12-30 | 2019-05-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker monomer |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| CN110881160A (en) * | 2019-11-12 | 2020-03-13 | 歌尔股份有限公司 | Sound production device |
| CN111131977A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2020140165A1 (en) * | 2018-12-30 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker single body |
| CN111405421A (en) * | 2019-12-27 | 2020-07-10 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111698618A (en) * | 2019-03-14 | 2020-09-22 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN111901734A (en) * | 2020-09-30 | 2020-11-06 | 歌尔股份有限公司 | Sound generator and electronic product comprising same |
| WO2021128333A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021128328A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| WO2021128335A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021128329A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021134310A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2021258440A1 (en) * | 2020-06-24 | 2021-12-30 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
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2017
- 2017-12-25 CN CN201721831487.3U patent/CN207835793U/en active Active
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109769178B (en) * | 2018-12-30 | 2021-03-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker monomer |
| WO2020140165A1 (en) * | 2018-12-30 | 2020-07-09 | 瑞声声学科技(深圳)有限公司 | Loudspeaker single body |
| CN109769178A (en) * | 2018-12-30 | 2019-05-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker monomer |
| CN111698618A (en) * | 2019-03-14 | 2020-09-22 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN110366079A (en) * | 2019-07-30 | 2019-10-22 | 歌尔股份有限公司 | Sounding device |
| CN110881160A (en) * | 2019-11-12 | 2020-03-13 | 歌尔股份有限公司 | Sound production device |
| CN110881160B (en) * | 2019-11-12 | 2021-08-31 | 歌尔股份有限公司 | Sound production device |
| WO2021128335A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021128333A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021128328A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| CN111405421A (en) * | 2019-12-27 | 2020-07-10 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2021128329A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021134310A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN111131977A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021258440A1 (en) * | 2020-06-24 | 2021-12-30 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| CN111901734B (en) * | 2020-09-30 | 2021-02-09 | 歌尔股份有限公司 | Sound generator and electronic product comprising same |
| CN111901734A (en) * | 2020-09-30 | 2020-11-06 | 歌尔股份有限公司 | Sound generator and electronic product comprising same |
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