CN205754776U - Earphone horn - Google Patents
Earphone horn Download PDFInfo
- Publication number
- CN205754776U CN205754776U CN201620606094.1U CN201620606094U CN205754776U CN 205754776 U CN205754776 U CN 205754776U CN 201620606094 U CN201620606094 U CN 201620606094U CN 205754776 U CN205754776 U CN 205754776U
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- vibrating diaphragm
- earphone horn
- sound absorption
- shell
- earphone
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Abstract
This utility model provides a kind of earphone horn, including vibrational system, vibrational system includes vibrating diaphragm, the voice coil loudspeaker voice coil being fixed on vibrating diaphragm side and is arranged on the reinforcement part of vibrating diaphragm center, vibrating diaphragm includes the fixed part fixing with shell, wherein, the side deviating from reinforcement part on vibrating diaphragm is provided with sound absorption part, and the fixed part at vibrating diaphragm is provided with absorbing part.Utilize this utility model, it is possible to the problem of the bad vibration in solution earphone horn, thus improve the acoustical behavior of earphone horn.
Description
Technical field
This utility model relates to ear phone technology field, more specifically, relating to a kind of earphone horn.
Background technology
Along with the extensive application of the portable type electronic products such as high-quality smart mobile phone, Pad, people are to can be with its fit applications
The requirement of earphone more and more higher, while requiring that its bodily form is small and exquisite, also requiring that it possesses can the various sound of reproduction true to nature
The high-fidelity tonequality performance of effect.Additionally, which kind of electronic product the most above-mentioned, in order to allow user under the situation not disturbing other people
Listening to the acoustical signal that electronic product is provided, earphone has become as the necessary accessory of each electronic product, and earphone also provides in addition
Listener's preferably transfer voice, makes the listener can clearly hear and understand sound-content.
Current earphone horn use during, sometimes there is bad vibration in vibrational system, have noise or
Person's noise, interferes the sound received, thus affects the performance of earphone.In order to solve this problem, the utility model proposes
A kind of new earphone horn.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of earphone horn, and solve in earphone horn is bad
The problem of vibration, thus improve the acoustical behavior of earphone horn.
The earphone horn that this utility model provides, including vibrational system, vibrational system includes vibrating diaphragm, is fixed on vibrating diaphragm side
Voice coil loudspeaker voice coil and be arranged on the reinforcement part of vibrating diaphragm center, vibrating diaphragm includes the fixed part fixing with shell, wherein, carries on the back on vibrating diaphragm
The side of reinforcement part is provided with sound absorption part, and the fixed part at vibrating diaphragm is provided with absorbing part.
Furthermore it is preferred that structure be, sound absorption part include fiber sound absorption part, granule sound absorption part and foam sound absorption part;Absorbing part
For high polymer absorbing part.
Furthermore it is preferred that structure be that vibrating diaphragm also includes the central part fixing with reinforcement part and edge, centrally disposed portion
Ring portion, ring portion is the raised or sunken structure of fixed part one.
Furthermore it is preferred that structure be also to include that magnetic circuit system, magnetic circuit system include fixed magnet and revise leading of the magnetic line of force
Yoke, it is fixed on the Magnet of conductive magnetic yoke center, is arranged on Magnet the washer away from conductive magnetic yoke side.
Furthermore it is preferred that structure be to be formed between magnetic between washer and the integrative-structure of described Magnet and the sidewall of conductive magnetic yoke
Gap, voice coil loudspeaker voice coil is hung in magnetic gap.
Furthermore it is preferred that structure be also to include that shell, vibrational system and magnetic circuit system are contained in the cavity that outer hull shape surrounds
In, wherein, the cavity that shell is formed with vibrational system is ante-chamber;The cavity that shell is formed with magnetic circuit system is back cavity.
Furthermore it is preferred that structure be, formed ante-chamber shell on be provided with out acoustic aperture, go out acoustic aperture and connect with ante-chamber.
Furthermore it is preferred that structure be to be provided with damping hole on the shell in chamber after its formation, damping hole is provided with damping
Part;Wherein, damping hole connects with back cavity.
Knowable to technical scheme above, the earphone horn that this utility model provides, is deviating from the shaking of side of reinforcement part
Increase sound absorption part on film and increase absorbing part at the fixed part of vibrating diaphragm, this design structure can the performance of earphone, improve THD
(Total Harmonic Distortion, total harmonic distortion), extends loudspeaker frequency range, eliminates bad vibration;Simultaneously can also be rear
The effect increasing back cavity volume is played in the case of cavity volume is constant;Absorbing part can absorb the unwanted vibrations of vibrating diaphragm, and enhancing is shaken
The reliability that the fixed part of film is pasted with shell.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with to of the present utility model more
Understanding, other purpose of the present utility model and result will be more apparent and should be readily appreciated that comprehensively.In the accompanying drawings:
Fig. 1 is the earphone horn perspective cross section structural representation according to this utility model embodiment;
Fig. 2 is the earphone horn plan cross-sectional structural representation according to this utility model embodiment.
Reference therein includes: reinforcement part 1, sound absorption part 2, voice coil loudspeaker voice coil 3, absorbing part 4, vibrating diaphragm 5, central part 51, ring
Portion 52, fixed part 53.
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
The problem easily occurring bad vibration for the existing earphone horn of aforementioned proposition, the utility model proposes one
New earphone horn structure, it may be assumed that increase sound absorption part on the central part of the vibrating diaphragm of the vibrational system of moving-coil loudspeaker and at vibrating diaphragm
Fixed part increase absorbing part;The sound absorption part increased can strengthen earphone performance, and absorbing part can absorb the unwanted vibrations of vibrating diaphragm,
Strengthen the reliability that the fixed part of vibrating diaphragm is pasted with shell.
In order to the structure of earphone horn that this utility model provides is described, Fig. 1 to Fig. 2 is respectively from different perspectives to earphone loudspeaker
Structure has carried out exemplary sign.Specifically, Fig. 1 shows that the earphone horn solid according to this utility model embodiment is cutd open
Face structure;Fig. 2 shows the earphone horn plan cross-sectional structure according to this utility model embodiment.
As Fig. 1 to Fig. 2 jointly shown in, the earphone horn that the utility model proposes, including vibrational system, vibrational system includes
Vibrating diaphragm 5, being arranged on the voice coil loudspeaker voice coil 3 of vibrating diaphragm 5 side and be fixed on the reinforcement part 1 of vibrating diaphragm 5 center, vibrating diaphragm 5 includes solid with shell
Fixed fixed part 53, wherein, the side deviating from reinforcement part 1 on vibrating diaphragm 5 is provided with sound absorption part 2, and the fixed part 53 at vibrating diaphragm 5 sets
It is equipped with absorbing part 4.Wherein, sound absorption part 2 includes fiber sound absorption part, granule sound absorption part and foam sound absorption part;Absorbing part 4 is high polymer
Sound absorption part.
Specifically, vibrating diaphragm 5 also includes and reinforcement part 1 fixing central part 51 and the ring portion at edge, centrally disposed portion 51
52, ring portion 52 is raised or sunken structure.Earphone horn also includes magnetic circuit system, and magnetic circuit system includes fixed magnet and repaiies
The conductive magnetic yoke of the positive magnetic line of force, it is fixed on the Magnet of conductive magnetic yoke center, is arranged on Magnet the washer away from conductive magnetic yoke side.
Forming magnetic gap between washer and the integrative-structure of Magnet and the sidewall of conductive magnetic yoke, voice coil loudspeaker voice coil 3 is hung in magnetic gap.Namely
Saying, conductive magnetic yoke is peviform structure, is used for accommodating Magnet and washer.Washer, Magnet and conductive magnetic yoke are fixedly connected sequentially.
In another specific embodiment of the present utility model, earphone horn also includes shell, vibrational system and magnetic circuit system
System is contained in the cavity that outer hull shape surrounds;The cavity that earphone outer covering is formed with vibrational system is ante-chamber;Earphone outer covering and magnetic circuit
The cavity that system is formed is back cavity.Wherein, ante-chamber communicates with the external world, and back cavity is for sealing space, only by damping hole with extraneous
Connection.The earphone outer covering forming ante-chamber is provided with out acoustic aperture, goes out acoustic aperture and connect with ante-chamber.The earphone outer covering in chamber after its formation
On be provided with damping hole, damping hole is provided with damping piece;Wherein, damping hole connects with back cavity, and damping piece can not only hinder
Gear small particles of pollution thing enters inside earphone, additionally it is possible to the acoustical behavior of regulation earphone.
Additionally, in another specific embodiment of the present utility model, deviate from conductive magnetic yoke and arrange on the end face of Magnet
Having PCB (Printed Circuit Board, printed circuit board (PCB)), printed circuit board (PCB) welds with voice coil leads, and connects external electrical
Road and voice coil leads.Wherein, printed substrate, it is the important electronic unit of earphone horn, is the supporter of electronic devices and components, is
The carrier of electronic devices and components electrical connection.
In one specific embodiment of this utility model, vibrating diaphragm 5 includes central part 51, is positioned at the folding at central part 51 edge
Ring portion 52 and the fixed part 53 fixing with earphone outer covering.Wherein, fix the fixed part 53 being connected with shell and be positioned at vibrating diaphragm 5
Periphery, ring portion 52 is the male female structure being wholely set with fixed part 53, and central part 51 is positioned at the penetralia of vibrating diaphragm 5, it may be assumed that folding
Central part within ring portion 52, the reinforcement part 1 on central part 51, it is mainly used in regulating the acoustical behavior of speaker, for reducing
The oeverall quality of vibrational system, the generally position in vibrating diaphragm planar portions correspondence reinforcement part arrange and remove material, and reinforcement part then covers at this
Feeding position.
It should be noted that be provided with sound absorption part 2 on the vibrating diaphragm 5 of side deviating from reinforcement part 1, it may be assumed that sound absorption part 2 and sound
Circle 3 is positioned at the same side of vibrating diaphragm 5, deviates from the side at place, reinforcement part 1;This design structure can strengthen the acoustics of earphone
Can, it is possible to reduce the total harmonic distortion of earphone horn, additionally it is possible to the frequency range of extension earphone horn, and also product can be eliminated exist
Bad vibration during work.
Wherein, the principle of the sound absorption of earphone horn is: when sound incoming sound absorption part surface, and an acoustic energy part is reflected,
A part penetrates the material constituting sound absorption part, and also a vibration due to sound absorption part or sound are situated between with surrounding when propagating wherein
Matter rubs, acoustic energy change into heat energy, and acoustic energy is depleted, and the most usually said sound is configured the absorbed of sound absorption part, so
The material constituting sound absorption part can be fibrous material, granular materials or foamed materials.Sound absorption part the most of the present utility model can wrap
Include fiber sound absorption part, granule sound absorption part and foam sound absorption part, can apply according to reality, select to constitute the suitable material of sound absorption part
Material.
Additionally, in another specific embodiment of the present utility model, the fixed part 53 at vibrating diaphragm 5 is provided with absorbing part
4, absorbing part 4 not only can absorb the unwanted vibrations of vibrating diaphragm 5, additionally it is possible to what the fixed part 53 of enhancing vibrating diaphragm 5 and shell were pasted can
By property.
Wherein, absorbing part 4 is not only used as absorption of noise, moreover it is possible to absorbs vibration wave, prevents or alleviate mechanical vibration pair
The destruction of parts.Absorbing part is the one of damping material absorbing part 4, and its absorbing principle is to utilize the viscous damping in its viscoelasticity
Part, scatters and disappears the energy absorbed in the form of heat.Therefore, it can add high polymer material at absorbing part 4, i.e. use high polymer
Absorbing part, wherein, nitrile rubber copolymer, polyvinyl butyral resin, the blend of polrvinyl chloride, the second third of semi-interpenetrating network type
Ternary and EPM, the polyisobutyl group ether of intercrossed network type and polymethyl acrylate the most all can be as absorbing parts.
By above-mentioned embodiment it can be seen that this utility model provide earphone horn, in the side deviating from reinforcement part
Vibrating diaphragm on increase sound absorption part and increase absorbing part at the fixed part of vibrating diaphragm, this design structure can the performance of earphone, reduce
THD extends loudspeaker frequency range, eliminates bad vibration;Can also play in the case of back cavity constancy of volume simultaneously and increase back cavity volume
Effect;Absorbing part can absorb the unwanted vibrations of vibrating diaphragm, strengthens the reliability that the fixed part of vibrating diaphragm is pasted with shell.
Describe in an illustrative manner above with reference to accompanying drawing according to the earphone horn that the utility model proposes.But, ability
Field technique personnel should be appreciated that the earphone horn proposed for above-mentioned this utility model, it is also possible to new without departing from this practicality
Various improvement is made on the basis of type content.Therefore, protection domain of the present utility model should be by appending claims
Content determines.
Claims (8)
1. an earphone horn, including vibrational system, described vibrational system includes vibrating diaphragm, is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm side
And it is arranged on the reinforcement part of described vibrating diaphragm center, described vibrating diaphragm includes the fixed part fixing with shell, it is characterised in that
The side deviating from described reinforcement part on described vibrating diaphragm is provided with sound absorption part, is provided with absorbing part on described fixed part.
2. earphone horn as claimed in claim 1, it is characterised in that
Described sound absorption part includes fiber sound absorption part, granule sound absorption part and foam sound absorption part;
Described absorbing part is high polymer absorbing part.
3. earphone horn as claimed in claim 1, it is characterised in that
Described vibrating diaphragm also includes the central part fixing with described reinforcement part and is arranged on the ring portion at described central part edge, described
Ring portion is and the raised or sunken structure of described fixed part one.
4. earphone horn as claimed in claim 1, it is characterised in that
Also include magnetic circuit system, described magnetic circuit system include fixed magnet the conductive magnetic yoke revising the magnetic line of force, be fixed on described in lead
The Magnet of yoke center, it is arranged on described Magnet the washer away from described conductive magnetic yoke side.
5. earphone horn as claimed in claim 4, it is characterised in that
Forming magnetic gap between the sidewall of described washer and the integrative-structure of described Magnet and described conductive magnetic yoke, described voice coil loudspeaker voice coil is outstanding to be set
In described magnetic gap.
6. earphone horn as claimed in claim 1, it is characterised in that
Also include that shell, described vibrational system and magnetic circuit system are contained in the cavity that described outer hull shape surrounds, wherein,
The cavity that described shell is formed with described vibrational system is ante-chamber;
The cavity that described shell is formed with described magnetic circuit system is back cavity.
7. earphone horn as claimed in claim 6, it is characterised in that
The shell forming described ante-chamber is provided with out acoustic aperture, described in go out acoustic aperture and connect with described ante-chamber.
8. earphone horn as claimed in claim 6, it is characterised in that
The shell forming described back cavity is provided with damping hole, described damping hole is provided with damping piece;Wherein,
Described damping hole connects with described back cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620606094.1U CN205754776U (en) | 2016-06-16 | 2016-06-16 | Earphone horn |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620606094.1U CN205754776U (en) | 2016-06-16 | 2016-06-16 | Earphone horn |
Publications (1)
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CN205754776U true CN205754776U (en) | 2016-11-30 |
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Family Applications (1)
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CN201620606094.1U Active CN205754776U (en) | 2016-06-16 | 2016-06-16 | Earphone horn |
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CN (1) | CN205754776U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108574924A (en) * | 2018-05-03 | 2018-09-25 | 深圳市摩码克来沃化学科技有限公司 | A kind of composite diaphragm, the preparation method of composite diaphragm and the acoustical generator equipped with the composite diaphragm |
-
2016
- 2016-06-16 CN CN201620606094.1U patent/CN205754776U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108574924A (en) * | 2018-05-03 | 2018-09-25 | 深圳市摩码克来沃化学科技有限公司 | A kind of composite diaphragm, the preparation method of composite diaphragm and the acoustical generator equipped with the composite diaphragm |
CN108574924B (en) * | 2018-05-03 | 2021-04-20 | 深圳市摩码克来沃化学科技有限公司 | Composite vibrating diaphragm, preparation method of composite vibrating diaphragm and acoustic generator with composite vibrating diaphragm |
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