CN106341760B - Coaxial moving-coil speaker and earphone - Google Patents
Coaxial moving-coil speaker and earphone Download PDFInfo
- Publication number
- CN106341760B CN106341760B CN201611035869.5A CN201611035869A CN106341760B CN 106341760 B CN106341760 B CN 106341760B CN 201611035869 A CN201611035869 A CN 201611035869A CN 106341760 B CN106341760 B CN 106341760B
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- interior
- voice coil
- coil
- circuit
- permanent magnet
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Abstract
The present invention is suitable for speaker technology field, provides a kind of coaxial moving-coil speaker and earphone.The coaxial moving-coil speaker includes substrate, frame, interior permanent magnet circuit and external magnetic poles circuit, sounding component, and interior permanent magnet circuit and external magnetic poles circuit are connect with electrical property of substrate;Sounding component includes vibrating membrane, interior voice coil and outer voice coil, and interior permanent magnet circuit is in interior voice coil and external magnetic poles circuit is in outer voice coil.Signal can be divided into high-frequency signal and middle low frequency signal using its internal dividing network when substrate receives signal in the coaxial moving-coil speaker, and the high-frequency signal separated is input to interior voice coil and vibrating membrane vibration is driven by interior permanent magnet circuit, the middle low frequency signal separated is input to outer voice coil and by the magneticaction in external magnetic poles circuit and outer voice coil vibrating membrane is vibrated, two sub-frequency loudspeaker effects are realized in a loudspeaker monomer to realize, while reducing the diaphagras of vibrating membrane to promote sound quality.
Description
Technical field
The invention belongs to speaker technology field more particularly to a kind of coaxial moving-coil speaker and there is the coaxial moving-coil
The earphone of loudspeaker.
Background technique
Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, can be divided into bass band by playback frequency band and raise
Sound device, middle vocal cores loudspeaker, treble band loudspeaker and full range speaker.
Currently, earphone generallys use single full frequency speaker, since single full frequency speaker can divide because vibrating diaphragm high frequency generates
It cuts vibration and makes frequency response range constriction.
Summary of the invention
The purpose of the present invention is to provide a kind of coaxial moving-coil speakers, it is intended to solve single in the prior art
The technical issues of one full frequency speaker makes frequency response range constriction because of vibrating diaphragm high frequency generation diaphagras.
The invention is realized in this way a kind of coaxial moving-coil speaker, including substrate, frame, the inner magnet of coaxial arrangement
The sounding component that pole circuit and external magnetic poles circuit and the frame are oppositely arranged, the interior permanent magnet circuit and the outside
Magnetic pole circuit is fixedly installed in the frame and connect with the electrical property of substrate, by the interior permanent magnet circuit and institute
It states and is powered in external magnetic poles circuit and is made the sounding component vibration sounding by electromagnetic force drive;The sounding component includes periphery
The vibrating membrane being fixed in the frame, the interior voice coil and outer voice coil that are fixedly installed on the vibrating membrane and are coaxially disposed, institute
State that interior permanent magnet circuit is in the interior voice coil and the external magnetic poles circuit is in outer voice coil;The substrate utilizes it
The signal received is divided into high-frequency signal and middle low frequency signal by internal dividing network, and high-frequency signal is input in described
It is input in the outer voice coil in voice coil and by the middle low frequency signal.
Further, the diameter of the interior voice coil is less than the diameter of the outer voice coil.
Further, the interior voice coil and the outer voice coil are bonded by bonding way and the vibrating membrane.
Further, the frame includes the integral support portion for being formed with interior accommodation groove, extends outwardly along the integral support portion
And form the outer support portion of outer accommodation groove and along outer support portion outer rim towards the basin far from integral support portion side extension
Body portion, the interior permanent magnet circuit and the interior voice coil are contained in the interior accommodation groove, the external magnetic poles circuit and described
Outer voice coil is contained in the outer accommodation groove, and the vibrating membrane is fixed in the basin body portion.
Further, the interior permanent magnet circuit includes the interior pole in the interior voice coil and interior magnetite, it is described in
Pole piece is between the vibrating membrane and the interior magnetite;The external magnetic poles circuit includes the outer pole in the outer voice coil
Piece and outer magnetite, the outer pole piece is between the vibrating membrane and the outer magnetite.
Further, the interior permanent magnet circuit further includes being contained in the interior accommodation groove and for accommodating the interior sound
The interior yoke of circle, the interior pole and the interior magnetite;The external magnetic poles circuit further includes being contained in the outer accommodation groove
And the outer yoke for accommodating the outer voice coil, the outer pole piece and the outer magnetite.
Further, the vibrating membrane includes being covered in interior vibrating diaphragm above the interior voice coil, along the interior vibrating diaphragm surrounding
It the outer vibrating diaphragm that extends to the basin body edge and is connected between the interior vibrating diaphragm and the outer vibrating diaphragm and not by described outer
Vibrating diaphragm is for the interior ring for influencing and independently carrying out piston vibration.
Further, the outer vibrating diaphragm includes the edge ring being attached on basin body portion inward flange, along the edge ring
Outer ring that surrounding extends towards the outer voice coil side and extend along the outer ring towards the interior ring and with it is described
The outer membrane that interior ring is connected, the outer membrane include the first outer membrane being covered between the outer voice coil and the interior ring, connect
The second outer membrane being connected between first outer membrane and the outer ring.
Further, the coaxial moving-coil speaker further include fit in it is rigid to reinforce the vibrating membrane in the edge ring
The pressure ring of property.
The present invention also provides a kind of earphones, including above-mentioned coaxial moving-coil speaker.
Further, the earphone is In-Ear Headphones, half In-Ear Headphones or headphone.
The inner magnet for having the technical effect that the coaxial moving-coil speaker is coaxial by setting of the present invention compared with the existing technology
Pole circuit and external magnetic poles circuit and corresponding with the interior permanent magnet circuit and the external magnetic poles circuit described respectively
The signal can be divided by interior voice coil and the outer voice coil when the substrate receives signal using its internal dividing network
High-frequency signal and middle low frequency signal, and the high-frequency signal separated is input to the interior voice coil and passes through the interior permanent magnet circuit
Vibrating membrane vibration is driven, the middle low frequency signal separated is input to the outer voice coil and by the external magnetic poles circuit and outer sound
The magneticaction of circle vibrates the vibrating membrane, realizes that two sub-frequency loudspeakers are imitated in a loudspeaker monomer to realize
Fruit, while the diaphagras of vibrating membrane is reduced to promote sound quality.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to the embodiment of the present invention or the prior art
Attached drawing needed in description is briefly described, it should be apparent that, drawings described below is only of the invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is that the embodiment of the present invention provides coaxial moving-coil speaker in the exploded view in a direction;
Fig. 2 be in Fig. 1 coaxial moving-coil speaker in the exploded view of other direction;
Fig. 3 is the cross-sectional view of coaxial moving-coil speaker in Fig. 1;
Fig. 4 is the structure of sounding component and interior voice coil and outer voice coil in coaxial moving-coil speaker provided in an embodiment of the present invention
Figure;
Fig. 5 is the structure chart of frame in coaxial moving-coil speaker provided in an embodiment of the present invention.
Description of symbols:
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
Fig. 1 to Fig. 5 is please referred to, coaxial moving-coil speaker provided in an embodiment of the present invention includes substrate (not shown), frame
10, the interior permanent magnet circuit 20 and external magnetic poles circuit 30 that are coaxially disposed, the sounding component 40 being oppositely arranged with the frame 10,
The interior permanent magnet circuit 20 and the external magnetic poles circuit 30 be fixedly installed in the frame 10 and with substrate electricity
Property connection, by being powered in the interior permanent magnet circuit 20 and the external magnetic poles circuit 30 and being driven the hair by electromagnetic force
40 vibration sounding of sound component;The sounding component 40 includes vibrating membrane 42, the fixed setting that periphery is fixed in the frame 10
In on the vibrating membrane 42 and coaxial arrangement interior voice coil 44 and outer voice coil 46, the interior permanent magnet circuit 20 is in the interior sound
In circle 44 and the external magnetic poles circuit 30 is in outer voice coil 46;The substrate will be received using its internal dividing network
To signal be divided into high-frequency signal and middle low frequency signal, and high-frequency signal is input in the interior voice coil 44 and by middle low frequency
Signal is input in the outer voice coil 46.
Coaxial moving-coil speaker provided in an embodiment of the present invention is by being arranged coaxial interior permanent magnet circuit 20 and external magnetic
Pole circuit 30 and the respectively interior voice coil 44 corresponding with the interior permanent magnet circuit 20 and the external magnetic poles circuit 30
With the outer voice coil 46, the signal can be divided into high frequency using its internal dividing network when the substrate receives signal
Signal and middle low frequency signal, and the high-frequency signal separated is input to the interior voice coil 44 and passes through the interior permanent magnet circuit 20
It drives vibrating membrane 42 to vibrate, the middle low frequency signal separated is input to the outer voice coil 46 and by the external magnetic poles circuit 30
With the magneticaction of outer voice coil 46 vibrating membrane 42 is vibrated, realizes two points in a loudspeaker monomer to realize
Band loudspeaker effect, while the diaphagras of vibrating membrane 42 is reduced to promote sound quality.
In this embodiment, the division according to loudspeaker field to low, middle and high frequency signal, the high-frequency signal are frequency models
Enclose the signal for 6000-20000 hertz, the signal that intermediate-freuqncy signal is 200-6000 hertz and low frequency signal be 200 hertz with
Under signal.
In this embodiment, by being set to interior voice coil 44 and outer voice coil 46, being returned with the matched interior permanent magnet of interior voice coil 44
Road 20 and with the matched external magnetic poles circuit 30 of outer voice coil 46, when work, centrally located interior permanent magnet circuit 20 and described
Interior voice coil 44 drives the central part of the vibrating membrane 42 to form treble region;The external magnetic poles circuit 30 and described of periphery
Outer voice coil 46 drives bass zone in the periphery formation of the vibrating membrane 42, so that it is relatively narrow to substantially improve moving-coil speaker bandwidth
The shortcomings that do not increase too many volume, improve loudspeaker tonequality.
Fig. 1 to Fig. 4 is please referred to, further, the diameter of the interior voice coil 44 is less than the diameter of the outer voice coil 46.It is described
The diameter of interior voice coil 44 and the outer voice coil 46 coaxial arrangement and the interior voice coil 44 is less than the diameter of the outer voice coil 46, so that
The interior voice coil 44 can match the interior permanent magnet circuit 20 and the external magnetic poles circuit 30 with the outer voice coil 46 respectively,
In order to generate treble region and middle bass zone.
Please refer to Fig. 1 to Fig. 4, further, the interior voice coil 44 and the outer voice coil 46 by bonding way with it is described
Vibrating membrane 42 bonds.Preferably, which is bonded in institute for the interior voice coil 44 and the outer voice coil 46 using viscose glue
It states on vibrating membrane 42, and the interior voice coil 44 and the outer voice coil 46 are set to the same side of the vibrating membrane 42, the interior sound
The signal input lead and signal output lead of circle 44 and the outer voice coil 46 are electrically connected on the substrate, then pass through institute
State training for substrate and audio signal, when audio signal input, the interior voice coil 44 and the interior permanent magnet circuit 20 and
The outer voice coil 46 and the external magnetic poles circuit 30 generate electromagnetic induction respectively, drive the interior voice coil 44 and described outer respectively
Voice coil 46 moves forward and backward, so that vibrating membrane 42 corresponds to the part difference front and back of the interior voice coil 44 and the outer voice coil 46
Vibration makes a sound.
Referring to figure 2. to Fig. 5, further, the frame 10 include the integral support portion 12 for being formed with interior accommodation groove 120,
Extend outwardly along the integral support portion 12 and forms the outer support portion 14 of outer accommodation groove 140 and along 14 outer rim of outer support portion
Towards the basin body portion 16 extended far from 12 side of integral support portion, the interior permanent magnet circuit 20 and the interior voice coil 44 are contained in
In the interior accommodation groove 120, the external magnetic poles circuit 30 and the outer voice coil 46 are contained in the outer accommodation groove 140, institute
Vibrating membrane 42 is stated to be fixed in the basin body portion 16.It is to be appreciated that the interior accommodation groove 120 and the outer accommodation groove 140 are same
Axis setting, and the axis collinear of the axis of the axis of the interior accommodation groove 120 and the outer accommodation groove 140 and the frame 10,
The outer accommodation groove 140 is the annular groove for being located on 120 periphery of interior accommodation groove.The diameter of the interior voice coil 44 is slightly smaller than
The diameter of the interior accommodation groove 120, the diameter of the outer voice coil 46 are less than the outer diameter of the outer accommodation groove 140 and are greater than described outer
The internal diameter of accommodation groove 140.
In this embodiment, the integral support portion 12, the outer support portion 14 and the basin body portion 16 by integrated molding and
It is made.
Referring to figure 3. to Fig. 4, further, the interior permanent magnet circuit 20 includes interior in the interior voice coil 44
Pole piece 22 and interior magnetite 24, the interior pole 22 is between the vibrating membrane 42 and the interior magnetite 24;The external magnetic poles
Circuit 30 includes the outer pole piece 32 and outer magnetite 34 in the outer voice coil 46, and the outer pole piece 32 is located at the vibrating membrane 42
Between the outer magnetite 34.The coaxial moving-coil speaker plays the role of magnetic conduction by the way that the interior pole 22 is arranged and utilizes
The interior magnetite 24 cooperates with the interior pole 22 to generate magnetic field, and the interior pole 22 and the interior magnetite 24 stacking are set to
In the interior accommodation groove 120, and it is contained in the interior voice coil 44.Similarly, which passes through described in setting
Outer pole piece 32 is described outer to play the role of magnetic conduction and be cooperated using the outer magnetite 34 with the outer pole piece 32 to generate magnetic field
Pole piece 32 and the outer magnetite 34 stacking is set in the outer accommodation groove 140, and be contained in the outer accommodation groove 140 with it is described
Between integral support portion 12.
Referring to figure 3. to Fig. 4, further, the interior permanent magnet circuit 20 further includes being contained in the interior accommodation groove 120
In and for accommodating the interior yoke 26 of the interior voice coil 44, the interior pole 22 and the interior magnetite 24;The external magnetic poles are returned
Road 30 further includes being contained in the outer accommodation groove 140 and for accommodating the outer voice coil 46, the outer pole piece 32 and described outer
The outer yoke 36 of magnetite 34.The coaxial moving-coil speaker is by being arranged the interior yoke 26 to play the role of magnetic conduction, the interior yoke
Iron 26 and the interior pole 22 and the interior magnetite 24 interact to generate magnetic field, and with the interior voice coil 44 interact with
Vibrating membrane 42 is set to generate vibration and make a sound.Similarly, the coaxial moving-coil speaker is by being arranged the outer yoke 36 to rise
Acted on to magnetic conduction, the outer yoke 36 is interacted with the outer pole piece 32 and the outer magnetite 34 to generate magnetic field, and with institute
Outer voice coil 46 is stated to interact so that vibrating membrane 42 generates vibration and makes a sound.
In this embodiment, the interior yoke 26 is attached in the interior accommodation groove 120, and the interior yoke 26 is equipped with accommodating
The container of the interior pole 22 and the interior magnetite 24, the interior voice coil 44 be located at the inner wall of the interior yoke 26 with it is described interior
Between pole piece 22 and the outer wall of the interior magnetite 24.
In this embodiment, the outer yoke 36 is attached in the outer accommodation groove 140, and the outer yoke 36 is equipped with accommodating
The container of the outer pole piece 32 and the outer magnetite 34, and the outer pole piece 32 and the outer magnetite 34 are bonded the container
Inner wall setting, which is the side wall close to the interior voice coil 44, and the outer voice coil 46 is located at the interior of the outer yoke 36
Between wall and the outer pole piece 32 and the outer wall of the outer magnetite 34.
Referring to figure 3. to Fig. 4, further, the vibrating membrane 42 includes the interior vibration for being covered in 44 top of interior voice coil
Film 420, the outer vibrating diaphragm 424 extended along circumferential 16 edge of basin body portion of the interior vibrating diaphragm 420 4 and it is connected to the interior vibration
It is not directed between film 420 and the outer vibrating diaphragm 424 and by the outer vibrating diaphragm 424 the interior ring for influencing and independently carrying out piston vibration
422.Ring 422 in being arranged on the coaxial moving-coil speaker, the interior vibrating diaphragm 420 and the outer vibrating diaphragm 424 are respectively corresponded
In the interior voice coil 44 and the outer voice coil 46, to not interfere with each other when generating high pitch and middle bass.
In this embodiment, the interior vibrating diaphragm 420 and the outer vibrating diaphragm 424 can be made of identical material, can also
To be made of different materials.
In this embodiment, the interior ring 422 is correspondingly arranged between the interior yoke 26 and the interior voice coil 44
Position, and the arc-shaped shape that arches upward.
In this embodiment, the arc-shaped gas supply of the interior vibrating diaphragm 420 is set to 44 top of interior voice coil, the outer vibrating diaphragm
424 arc-shaped arch upward between the interior yoke 26 and the basin body portion 16.
Referring to figure 3. to Fig. 4, further, the outer vibrating diaphragm 424 includes being attached on 16 inward flange of basin body portion
Edge ring 4240, the outer ring 4242 extended along 4240 surrounding of edge ring towards outer 46 side of voice coil and along described
The outer membrane 4244 that outer ring 4242 extends and is connected with the interior ring 422 towards the interior ring 422, the outer membrane 4244
Including be covered between the outer voice coil 46 and the interior ring 422 the first outer membrane 4244, be connected to first outer membrane
The second outer membrane 4248 between 4246 and the outer ring 4242.The fitting of edge ring 4240 is set to the basin body portion 16
On inward flange, first outer membrane 4246 and second outer membrane 4248 are the shape that continuously arches upward, in other embodiments, described outer
Film 4244 can also include multiple second outer membranes 4248, one be not limited in diagram.
Fig. 1 to Fig. 4 is please referred to, further, the coaxial moving-coil speaker further includes fitting in the edge ring 4240
On to reinforce the pressure ring 50 of 42 rigidity of the vibrating membrane.The coaxial moving-coil speaker sets institute by pressing in the edge ring 4240
Pressure ring 50 is stated, the pressure ring 50 is bonded with 4240 part of edge ring of the vibrating membrane 42, prevents the vibrating membrane 42 from vibrating
It falls off in the process because being pasted not strongly, to reinforce the rigidity of the vibrating membrane 42.
In this embodiment, the pressure ring 50 be copper ring, resin ring or paper ring, it is without being limited thereto.
Fig. 1 to Fig. 5 is please referred to, earphone provided in an embodiment of the present invention includes above-mentioned coaxial moving-coil speaker.The embodiment
The coaxial moving-coil speaker that there are the earphone of offer the various embodiments described above to provide, and the coaxial moving-coil speaker and above-mentioned each implementation
The coaxial moving-coil speaker structure having the same and role that example provides are also identical, do not repeat herein.
Preferably, the earphone is In-Ear Headphones, half In-Ear Headphones or headphone.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of coaxial moving-coil speaker, which is characterized in that including substrate, frame, the interior permanent magnet circuit of coaxial arrangement and outer
Portion magnetic pole circuit, the sounding component being oppositely arranged with the frame, the interior permanent magnet circuit and the external magnetic poles circuit are equal
It is fixedly installed in the frame and is connect with the electrical property of substrate, by the interior permanent magnet circuit and the external magnetic poles
It is powered in circuit and is made the sounding component vibration sounding by electromagnetic force drive;The sounding component includes described in periphery is fixed on
Vibrating membrane in frame, the interior voice coil and outer voice coil for being fixedly installed on the vibrating membrane and being coaxially disposed, the interior permanent magnet
Circuit is in the interior voice coil and the external magnetic poles circuit is in outer voice coil;The substrate utilizes its internal frequency dividing
The signal received is divided into high-frequency signal and middle low frequency signal by network, and high-frequency signal is input in the interior voice coil and
The middle low frequency signal is input in the outer voice coil, the frame includes the integral support portion for being formed with interior accommodation groove, along institute
Integral support portion is stated to extend outwardly and form the outer support portion of outer accommodation groove and along outer support portion outer rim towards far from described interior
The basin body portion that support portion side extends, the upper end of the interior voice coil and the upper end of outer voice coil are located in same level, the vibration
Dynamic film is structure as a whole setting, and the vibrating membrane includes being covered in interior vibrating diaphragm above the interior voice coil, along the interior vibrating diaphragm four
The outer vibrating diaphragm and be connected between the interior vibrating diaphragm and the outer vibrating diaphragm and not by described that the circumferential basin body edge extends
Outer diaphragm oscillations influence and independently carry out the interior ring of piston vibration.
2. coaxial moving-coil speaker as described in claim 1, which is characterized in that the diameter of the interior voice coil is less than the outer sound
The diameter of circle.
3. coaxial moving-coil speaker as described in claim 1, which is characterized in that the interior voice coil and the outer voice coil are by gluing
It connects mode and the vibrating membrane bonds.
4. coaxial moving-coil speaker as described in claim 1, which is characterized in that the interior permanent magnet circuit and the interior voice coil
It is contained in the interior accommodation groove, the external magnetic poles circuit and the outer voice coil are contained in the outer accommodation groove, the vibration
Dynamic film is fixed in the basin body portion.
5. coaxial moving-coil speaker as claimed in claim 4, which is characterized in that the interior permanent magnet circuit includes positioned at described
Interior pole and interior magnetite in interior voice coil, the interior pole is between the vibrating membrane and the interior magnetite;The external magnetic
Pole circuit includes the outer pole piece and outer magnetite in the outer voice coil, and the outer pole piece is located at the vibrating membrane and the outer magnetic
Between stone.
6. coaxial moving-coil speaker as claimed in claim 5, which is characterized in that the interior permanent magnet circuit further includes being contained in
Interior yoke in the interior accommodation groove and for accommodating the interior voice coil, the interior pole and the interior magnetite;The external magnetic
Pole circuit further includes being contained in the outer accommodation groove and for accommodating the outer voice coil, the outer pole piece and the outer magnetite
Outer yoke.
7. coaxial moving-coil speaker as claimed in claim 5, which is characterized in that the outer vibrating diaphragm includes being attached at the basin body
Edge ring on portion's inward flange, the outer ring extended along the edge ring surrounding towards the outer voice coil side and along described outer
The outer membrane that ring extends and is connected with the interior ring towards the interior ring, the outer membrane include being covered in the outer voice coil
The first outer membrane between the interior ring, the second outer membrane being connected between first outer membrane and the outer ring.
8. coaxial moving-coil speaker as described in claim 1, which is characterized in that further include fitting in the edge ring to add
The pressure ring of the strong vibration membrane rigidity.
9. a kind of earphone, which is characterized in that including the coaxial moving-coil speaker as described in claim 1 to 8 any one.
10. earphone as claimed in claim 9, which is characterized in that the earphone be In-Ear Headphones, half In-Ear Headphones or
Headphone.
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CN201611035869.5A CN106341760B (en) | 2016-11-18 | 2016-11-18 | Coaxial moving-coil speaker and earphone |
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CN201611035869.5A CN106341760B (en) | 2016-11-18 | 2016-11-18 | Coaxial moving-coil speaker and earphone |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107046666A (en) * | 2017-03-06 | 2017-08-15 | 深圳市冠旭电子股份有限公司 | A kind of sound-producing device and earphone |
CN107172546A (en) * | 2017-05-25 | 2017-09-15 | 东莞合律美电子科技有限公司 | A kind of earphone for dividing loudspeaker |
CN107087243A (en) * | 2017-06-20 | 2017-08-22 | 努比亚技术有限公司 | A kind of double folding ring vibrating diaphragm, loudspeaker and mobile terminal |
CN208143457U (en) * | 2018-04-20 | 2018-11-23 | 深圳市蓝禾技术有限公司 | Moving-coil structure and earphone |
CN114598973A (en) * | 2020-12-07 | 2022-06-07 | 华为技术有限公司 | Loudspeaker and electronic equipment |
CN112839288A (en) * | 2021-01-09 | 2021-05-25 | 广州市声讯电子科技股份有限公司 | Special high-temperature-resistant transducer sound film |
CN217721455U (en) * | 2022-06-30 | 2022-11-01 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
CN117440303A (en) * | 2023-12-21 | 2024-01-23 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
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CN2222416Y (en) * | 1995-01-10 | 1996-03-13 | 张景会 | Inner magnetic full acoustic frequency axial loudspeaker |
CN2266243Y (en) * | 1996-06-13 | 1997-10-29 | 陈正宗 | Coaxial double-field double-voice coil loudspeaker |
CN2438284Y (en) * | 2000-03-11 | 2001-07-04 | 李阿玉 | External magnet type whole voice frequency coaxial loudspeaker |
CN201781608U (en) * | 2010-09-13 | 2011-03-30 | 富祐鸿科技股份有限公司 | Coaxial horn structure |
CN105848065B (en) * | 2016-05-31 | 2019-02-15 | 歌尔股份有限公司 | Loudspeaker |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: 523841 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. |
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