CN207382567U - A kind of sound-producing device and mobile terminal - Google Patents
A kind of sound-producing device and mobile terminal Download PDFInfo
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- CN207382567U CN207382567U CN201721459559.6U CN201721459559U CN207382567U CN 207382567 U CN207382567 U CN 207382567U CN 201721459559 U CN201721459559 U CN 201721459559U CN 207382567 U CN207382567 U CN 207382567U
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- sound
- producing device
- protecgulum
- hole
- sealing element
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Abstract
The utility model is related to electroacoustic techniques fields, disclose a kind of sound-producing device.In the utility model, the sound-producing device includes the vibrational system with vibrating diaphragm, the magnetic circuit system for driving diaphragm oscillations sounding and the auxiliary system for accommodating magnetic circuit system and vibrational system, auxiliary system includes at least a protecgulum, protecgulum, which corresponds to, offers through hole on the direction of vibration of vibrating diaphragm, the breathable barrier of corresponding covering through hole is fixed on protecgulum, protecgulum is fixed with sealing element away from the lateral surface of vibrating diaphragm, sealing element correspondence offers the through hole connected with through hole, and sealing element includes buffer layer and stacks the antifreeze plate set with buffer layer.A kind of mobile terminal with this kind of sound-producing device is also disclosed in the utility model.The sound-producing device and mobile terminal with this kind of sound-producing device can effectively improve the leakage field phenomenon of sound-producing device.
Description
Technical field
The utility model is related to electroacoustic techniques field, more particularly to a kind of sound-producing device and with this kind of sound-producing device
Mobile terminal.
Background technology
With the development of science and technology, various electronic products are more and more applied in life, and sound-producing device is
A kind of very common component, is applied in the electronic equipments such as mobile phone, laptop, hearing aid in electronic product
Sound-producing device, the sound-producing device can help electronic goods to realize the various functions related with sound.Current most sounding
There is dustproof network structure, the presence of the structure can reduce sundries and dust enters inside sound-producing device, thus not shadow in device
The normal work of sound-producing device is rung, however in existing sound-producing device, more leakage field phenomenon is also commonly present, which also can be tight
Ghost image rings the normal work of sound-producing device.
Utility model content
The purpose of this utility model is to provide a kind of sound-producing device and the mobile terminal with this kind of sound-producing device,
It can effectively improve the leakage field phenomenon of sound-producing device.
In order to solve the above technical problems, the embodiment of the utility model provides a kind of sound-producing device, shake including having
Vibration of membrane system, the magnetic circuit system for driving diaphragm oscillations sounding and the auxiliary system for accommodating magnetic circuit system and vibrational system,
Auxiliary system includes at least a protecgulum, and protecgulum corresponds to and through hole is offered on the direction of vibration of vibrating diaphragm, and correspondence is fixed on protecgulum
The breathable barrier of through hole is covered, protecgulum is fixed with sealing element away from the lateral surface of vibrating diaphragm, and sealing element correspondence is offered and passed through
The through hole of through hole connection, sealing element include buffer layer and stack the antifreeze plate set with buffer layer.
The utility model embodiment further provides a kind of mobile terminal, including housing and be housed in the in vivo sounding of shell
Device, sound-producing device are foregoing sound-producing device, and one side of the sealing element away from protecgulum is fixed with housing.
The utility model embodiment in terms of existing technologies, sets the sealing for including antifreeze plate on protecgulum
Part, by the antifreeze plate shielding part from inside sound-producing device magnetic circuit system outflow and via at protecgulum to outside sound-producing device
The magnetic field energy of portion's leakage hence improves the leakage field phenomenon of sound-producing device.
In addition, antifreeze plate is folded between buffer layer and lateral surface.
In addition, buffer layer is foam and/or silica gel.
In addition, the position that protecgulum corresponds to through hole is embedded with steel disc, steel disc offer it is opposite with vibrating diaphragm go out acoustic aperture, breathe freely
Separator lid is located at out in acoustic aperture.
In addition, sealing element is in a ring and around being located at hole periphery of speaking.
In addition, gluing is fixed between antifreeze plate and buffer layer.
In addition, antifreeze plate is carbon steel material antifreeze plate.
In addition, breathable barrier is non-woven fabrics, nylon mesh grid, wool weaving net, metal mesh or paper.
In addition, steel disc is integrated with protecgulum injection.
Description of the drawings
Fig. 1 is the dimensional structure diagram of sound-producing device in the utility model first embodiment；
Fig. 2 is the explosive view of sound-producing device shown in Fig. 1；
Fig. 3 is the cross-sectional view along line A-A of sound-producing device shown in Fig. 1.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.It is however, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order to more fully understand reader, this reality is new and proposes many technical details.But even if without these
Technical detail and many variations based on following embodiment and modification can also realize each claim institute of the utility model
Claimed technical solution.
The first embodiment of the utility model is related to a kind of sound-producing device 100, as shown in Figs. 1-3, the sound-producing device 100
Including vibrational system 1, magnetic circuit system 2 and the auxiliary system 3 for accommodating the vibrational system 1 and auxiliary system 2.In the present embodiment
In, the auxiliary system 3 includes the frame 30 with receiving space and the protecgulum 31 for being fixed on 30 top of frame.Wherein,
Vibrational system 1 includes the voice coil 12 that can be vibrated with the vibrating diaphragm 11 of vibration sounding and driving vibrating diaphragm 11, and voice coil 12 is fixed on vibrating diaphragm 11
Lower section, vibrating diaphragm 11 are included positioned at the top dome portion 111 at center and the ring portion 112 being connected with 111 edge of top dome portion, ring portion 112
Outer edge be folded between protecgulum 31 and frame 30.Magnetic circuit system 2 includes the magnetic bowl 22 being arranged in frame 30 and is fixed on
The magnet steel 21 of the magnetic bowl 22, as shown in figure 3,22 edge of magnetic bowl forms the bending opposite with magnet steel 21, magnet steel 21 and bending
Between form magnetic gap, voice coil 12 is inserted into the magnetic gap, the magnetic circuit system 2 driving voice coil 12 and then causes the vibration hair of vibrating diaphragm 11
Sound, the protecgulum 31 correspond to and through hole 311 are offered on the direction of vibration of vibrating diaphragm 11, and the sound that the vibration of vibrating diaphragm 11 generates is through the perforation
It propagates in hole 311.Sound-producing device 100 further includes breathable barrier 4 and sealing element 5, wherein, before breathable barrier 4 is fixed at
On lid 31, and correspondence covers through hole 311, and 4 can not interfere sound-producing device 100 to propagate the same of sound between the ventilative isolation
When, isolate external sundries, prevent sundries from falling into 100 inside of sound-producing device and influence the normal work of sound-producing device 100, seal
Part 5 is arranged on protecgulum 31 on the lateral surface of vibrating diaphragm 11, and sealing element 5 is further opened with through hole 53, the through hole 53 and through hole 311
Corresponding connection, sound-producing device 100 to be helped to propagate sound.
In present embodiment, sealing element 5 includes buffer layer 52 and folds the antifreeze plate 51 together with being located at buffer layer 52, such as
Shown in Fig. 2, first through hole 531 of the through hole 53 by running through antifreeze plate 51 on sealing element 5 and the second through hole through buffer layer 52
532 form, first through hole 531 and the 532 corresponding connection of the second through hole.In the present embodiment, antifreeze plate 51 is provided in protecgulum
31 upsides, the setting of the antifreeze plate 51 is shielded and spread out of by the magnetic circuit system 2 inside sound-producing device 100 and via protecgulum 31
Place thereby reduces the magnetic flux leakage of sound-producing device 100 to the magnetic field energy of 100 External leakage of sound-producing device, so as to improve hair
The leakage field phenomenon of acoustic device 100.
Further, since the setting of the antifreeze plate 51 reduces the magnetic flux leakage of sound-producing device 100, armoured magnetic field energy prevents magnetic
Field energy is leaked into outside sound-producing device, this, which is further prevented, inhales the iron filings outside sound-producing device 100 due to magneticaction
The phenomenon that entering 100 inside of sound-producing device enables sound-producing device 100 to be worked normally from the interference that external sundries enters.
As shown in Figure 1 and Figure 2, in present embodiment, the antifreeze plate 51 for playing armoured magnetic field energy folded is located at buffer layer 52
Close to the one side of protecgulum 31, that is to say, that antifreeze plate 51 is folded between the lateral surface of buffer layer 52 and protecgulum 31, can be with
Understand, antifreeze plate 51, which can also be folded, to be located on one side of the buffer layer 52 away from protecgulum 31.No matter it should be noted that
Which kind of above-mentioned position set-up mode is used to antifreeze plate 51, does not influence the normal work of sounder 100, and antifreeze plate 51
The leakage field phenomenon of sounder 100 can be improved well.
It is noted that in present embodiment, antifreeze plate 51 is carbon steel material antifreeze plate.Carbon steel material has moulding
Well, the advantages that toughness is good, intensity is big, wearability is strong has preferable reliability and longer service life.
In present embodiment, between buffer layer 52 and antifreeze plate 51 there are many fixed modes, used in present embodiment
Be bonding mode (as shown in Fig. 2, between buffer layer 52 and antifreeze plate 51 also have adhesive-layer 54), be bonded solid compared to other
For determining mode, technique is relatively simple, at low cost and practical.Specifically, can pass through between buffer layer 52 and antifreeze plate 51
Viscose glue is bonded or by being fixed otherwise.
It is noted that since the materials such as rubber and foam have good elasticity, with good buffer protection
Effect, therefore, in present embodiment, the material of buffer layer 52 is rubber or foam etc., it is to be understood that some other to have
The material of comfort cushioning protective effect can also be used to make the buffer layer 52 in present embodiment.
In addition, in the present embodiment, make the material for the breathable barrier 4 being covered on through hole 311 have very much, by
The entrance of external sundries can be effectively prevented in materials such as non-woven fabrics, nylon mesh grid, wool weaving net, metal mesh or paper
Sound-producing device 100, and good gas permeability is respectively provided with, the propagation of sound will not be interfered, therefore, in present embodiment, this is ventilative
Separator 4 may be employed any one above-mentioned material and be made, it is to be understood that breathable barrier 4 can also be other
The unlisted external sundries that can effectively prevent enters, the material of sound transmission will not be interfered to make.
It is understood that one as present embodiment changes embodiment, it can also be further on protecgulum 31
The steel disc 6 of covering through hole 311 is set, in order to which ensure can be after from the sound reached at protecgulum 31 inside sound-producing device 100
Continuous good to external communication, in present embodiment, the position that vibrating diaphragm 11 is corresponded on steel disc 6 offers out acoustic aperture 61, in addition,
The lid of breathable barrier 4 is located at out in acoustic aperture 61.
It is noted that in present embodiment, protecgulum 31 and the injection of steel disc 6 being arranged on protecgulum 3 are integrated,
It is understood that steel disc 6 can also be arranged on by way of the others such as stickup on protecgulum 31.
In addition, when being provided with steel disc 6, in present embodiment, the sealing element 5 with spacer 51 is mainly around being located at steel disc
Go out 61 periphery of acoustic aperture on 6, it is preferred that sealing element 5 is in a ring around the periphery for being located at hole 61 of speaking.
The utility model further provides for a kind of mobile terminal, which includes housing and be housed in the in vivo hair of shell
Acoustic device is, it is necessary to which explanation, sound-producing device are the sound-producing device 100 described in the above embodiment, and sealing element 5 is away from protecgulum
31 one side is fixed with housing, since the structure of sound-producing device 100 in this mobile terminal and correlation technique effect are implemented with first
As in mode, related content is described in detail in the first embodiment, in order to avoid repeating, here no longer
It repeats.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And scope.
Claims (10)
1. a kind of sound-producing device, including the vibrational system with vibrating diaphragm, the driving diaphragm oscillations sounding magnetic circuit system and
The auxiliary system of the magnetic circuit system and vibrational system is accommodated, the auxiliary system includes at least a protecgulum, and the protecgulum corresponds to
Through hole is offered on the direction of vibration of the vibrating diaphragm, the corresponding ventilative isolation for covering the through hole is fixed on the protecgulum
Part, it is characterised in that：The protecgulum is fixed with sealing element away from the lateral surface of the vibrating diaphragm, the sealing element correspondence offer with
The through hole of the through hole connection, the sealing element include buffer layer and stack the antifreeze plate set with the buffer layer.
2. sound-producing device according to claim 1, which is characterized in that the antifreeze plate be folded in the buffer layer with it is described
Between lateral surface.
3. sound-producing device according to claim 2, which is characterized in that the buffer layer is foam and/or silica gel.
4. sound-producing device according to claim 3, which is characterized in that the position that the protecgulum corresponds to the through hole is embedded
Have a steel disc, the steel disc offers the go out acoustic aperture opposite with the vibrating diaphragm, the breathable barrier lid be located at it is described go out acoustic aperture on.
5. sound-producing device according to claim 4, which is characterized in that the sealing element is in a ring and around being located at described speak
Hole periphery.
6. sound-producing device according to claim 2, which is characterized in that gluing is consolidated between the antifreeze plate and the buffer layer
It is fixed.
7. sound-producing device according to claim 1, which is characterized in that the antifreeze plate is carbon steel antifreeze plate.
8. sound-producing device according to claim 1, which is characterized in that the breathable barrier is non-woven fabrics, nylon weaves
Net, wool weaving net, metal mesh or paper.
9. sound-producing device according to claim 4, which is characterized in that the steel disc is integrated with protecgulum injection.
10. a kind of mobile terminal including housing and is housed in the in vivo sound-producing device of the shell, which is characterized in that the sounding
Device is such as claim 1-9 any one of them sound-producing devices, one side of the sealing element away from the protecgulum and the shell
Body is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721459559.6U CN207382567U (en) | 2017-10-23 | 2017-10-23 | A kind of sound-producing device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721459559.6U CN207382567U (en) | 2017-10-23 | 2017-10-23 | A kind of sound-producing device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382567U true CN207382567U (en) | 2018-05-18 |
Family
ID=62334196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721459559.6U Active CN207382567U (en) | 2017-10-23 | 2017-10-23 | A kind of sound-producing device and mobile terminal |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218938A (en) * | 2018-08-13 | 2019-01-15 | 歌尔股份有限公司 | Terminal installation |
| CN109218937A (en) * | 2018-08-10 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110366073A (en) * | 2019-06-03 | 2019-10-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110572501A (en) * | 2019-08-09 | 2019-12-13 | 歌尔股份有限公司 | sound production device and electronic product |
| WO2020134468A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and mobile terminal device |
| WO2021068297A1 (en) * | 2019-10-10 | 2021-04-15 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2022000779A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2017
- 2017-10-23 CN CN201721459559.6U patent/CN207382567U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218937A (en) * | 2018-08-10 | 2019-01-15 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109218937B (en) * | 2018-08-10 | 2021-06-15 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN109218938A (en) * | 2018-08-13 | 2019-01-15 | 歌尔股份有限公司 | Terminal installation |
| CN109218938B (en) * | 2018-08-13 | 2023-11-14 | 歌尔股份有限公司 | terminal device |
| WO2020134468A1 (en) * | 2018-12-28 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and mobile terminal device |
| CN110366073A (en) * | 2019-06-03 | 2019-10-22 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110572501A (en) * | 2019-08-09 | 2019-12-13 | 歌尔股份有限公司 | sound production device and electronic product |
| WO2021068297A1 (en) * | 2019-10-10 | 2021-04-15 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2022000779A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound production device |
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