CN107046666A - A kind of sound-producing device and earphone - Google Patents
A kind of sound-producing device and earphone Download PDFInfo
- Publication number
- CN107046666A CN107046666A CN201710127601.2A CN201710127601A CN107046666A CN 107046666 A CN107046666 A CN 107046666A CN 201710127601 A CN201710127601 A CN 201710127601A CN 107046666 A CN107046666 A CN 107046666A
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- China
- Prior art keywords
- ring
- sound
- producing device
- high pitch
- diaphragm
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 238000013016 damping Methods 0.000 claims description 21
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 230000008859 change Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000003292 glue Substances 0.000 description 4
- 210000002421 cell wall Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000036651 mood Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention relates to ear phone technology field there is provided a kind of sound-producing device and earphone, high pitch loudspeaker is arranged on cavity, and it goes out sound and set down；Woofer is arranged in the ring-like tank of ring-like support, and ring-like tank notch towards down-set, the principle of woofer is the audio electrical signal that vibration component receives change, is finally exported with acoustic energy signal.Go out sound face and the sound face that goes out of woofer of high pitch loudspeaker are located at the same side, all towards down-set, so woofer and high pitch loudspeaker can just be linked up well, it is simple in construction, compact, sound-producing device is reached miniaturization, and then product is integrally reached miniaturization, it is easy to carry, comfortable wearing, more it is essential that the sound-producing device can really meet the demand of gamut.
Description
Technical field
The present invention relates to ear phone technology field, more particularly to a kind of sound-producing device and earphone.
Background technology
With the continuous improvement of living standard, listen attentively to music and releived mood after the work leisure as people, mitigate pressure
A kind of mode of power.In order to allow each user to experience magic of music in one's spare time, the mood of closing is opened, excites and carries
Rise creativity and develop biphone cavity to meet the demand of audiophile.Allow people to be discharged heartily after work, enjoy
Lived.Meanwhile, with the continuous pursuit that people live to high-quality, people also require that higher for the tonequality of earphone.
Earphone in the market is mostly using single loudspeaker, it is difficult to meet demand for experience of the people to gamut.If
By headset designs loudspeaker forms in pairs, then need to increase the spatial volume of earphone inner chamber to realize, this will make earphone entirety
Size increases, and not only increases the weight of earphone, not Portable belt, and wearing more uncomfortable.
The content of the invention
It is an object of the invention to provide a kind of sound-producing device and earphone, it is intended to which solution is not increasing earphone in the prior art
In the case of volume, it is difficult to the problem of meeting the gamut demand of earphone.
In order to solve the above technical problems, the technical scheme is that：A kind of sound-producing device is provided, including ring-like support,
High pitch loudspeaker and woofer,
The ring-like support has the cavity of up/down perforation in the center, and the high pitch loudspeaker is embedded at the cavity
It is interior；
The woofer includes ring-like magnetic circuit and is connected and is used for voiceband telecommunication with the ring-like magnetic circuit
The vibration component of vibration signal number is converted to, the ring-like support offers ring-like tank, institute in its lower surface Bing Raoqi centers
Ring-like magnetic circuit and the vibration component are stated all in the ring-like tank, the high pitch loudspeaker goes out sound facing to dividing into
Put.
Further, the ring-like support include internal ring portion, the outer portion that is sheathed on the outside of the internal ring portion and all with
The upper end of the internal ring portion and the upper ring section of the upper end of outer portion connection, the cavity is opened in the internal ring portion, described
The inner ring surface of the lower surface of upper ring section, the outer ring surface of the internal ring portion and the outer portion is collectively forming the ring-like tank,
The ring-like magnetic circuit is fixed on the lower surface of the upper ring section.
Further, the ring-like magnetic circuit includes U iron, ring magnet and washer piece, and the U iron, the ring-like magnetic
Iron and the washer piece are cascading from top to bottom, and are all sheathed on the outside of the internal ring portion, and the U iron, which has, to be accommodated
Groove, and the holding tank notch towards down-set, the ring magnet is fixed in the holding tank, the ring magnet
Stayed between outer ring surface and the side channel wall of the holding tank and set gap.
Further, the vibration component includes the skeleton being connected in ring-like sound film, one end with the sound film, and twines
The coil of the skeleton other end periphery wall is around in, the skeleton is cylindrical in shape setting, and the coil is placed in the gap, described
Sound film is connected at the notch of the ring-like tank.
Further, the sound film includes inner ring diaphragm, outer shroud diaphragm and is connected to the inner ring diaphragm and described outer
Middle ring diaphragm between ring diaphragm, the end of the skeleton is connected to the middle ring diaphragm；
The internal ring portion offers interior land upwards in the outward flange of its lower surface, and the inner ring diaphragm is fixedly arranged in described
The table top of land；
Inward flange of the outer portion in its lower surface offers outer land upwards, and the outer shroud diaphragm is fixedly arranged on described outer
The table top of land.
Further, the sound-producing device is also included located at the upper surface of the ring-like support and in ring-like damping fin,
Multiple damping holes, each damping are offered at the position that the ring-like support is faced in surface with the damping fin thereon
Hole connects with the ring-like tank and opened up.
Further, the sound-producing device also includes being connected with audio frequency apparatus output line and being located at the upper of the ring-like support
The pcb board on surface, the high pitch loudspeaker is all electrically connected with the woofer with the pcb board.
Further, the sound-producing device also includes the radome for being cylindrical in shape setting, and the high pitch loudspeaker is embedded at institute
State in radome, the radome is embedded at the cavity.
Further, the ring-like support also includes spacing ring, and the spacing ring is at the lower accent of the cavity, institute
The edge for going out sound face for stating high pitch loudspeaker is connected to the spacing ring.
The present invention also provides a kind of earphone, including ear casing and in the ear casing and sounding dress described above
Put, the ear casing have connect it is extraneous go out tone channel with the sound-producing device, the high pitch loudspeaker goes out sound face and institute
State woofer go out sound face be all right against it is described go out tone channel.
Having the technical effect that relative to prior art of the invention：High pitch loudspeaker is arranged on cavity, and its to go out sound face-down
Set；Woofer is arranged in the ring-like tank of ring-like support, and ring-like tank notch towards down-set, bass loudspeaker
The principle of device is the audio electrical signal that vibration component receives change, and the cooperation of vibration component and ring-like magnetic circuit, makes vibration group
Part produces the cutting force of axial direction, and then produces axially reciprocating, and as electric energy is finally believed to the conversion process of kinetic energy with acoustic energy
Number output.Go out sound face and the sound face that goes out of woofer of high pitch loudspeaker are located at the same side, all towards down-set, such bass
Loudspeaker and high pitch loudspeaker can just be linked up well, simple in construction, compact, sound-producing device is reached miniaturization, and then
Product is set integrally to reach miniaturization, easy to carry, comfortable wearing, more it is essential that the sound-producing device can really meet whole tone
The demand in domain.In addition, high pitch loudspeaker is embedded in cavity, and is separated with woofer, the height that high pitch loudspeaker is sent
Audio gives off via cavity below, and this bass that can't be sent on woofer produces any influence, independent
Sounding, therefore, reaches the purpose of full range bandwidth, when on applied to earphone, can allow consumer in audible range scope
To the tonequality details and overtone composition listened to wider range, the stereovision and details expressive force of music are preferably embodied, is reappeared
Real original sound.
Brief description of the drawings
Fig. 1 is the three-dimensional exploded view of sound-producing device provided in an embodiment of the present invention；
Fig. 2 is sectional views of the Fig. 1 along center line B-B；
Fig. 3 is sectional view of the ring-like support along center line B-B in Fig. 1；
Fig. 4 is the sectional perspective exploded view of sound-producing device provided in an embodiment of the present invention.
Label involved by above-mentioned accompanying drawing is detailed as follows：
| Ring-like support | 100 | High pitch loudspeaker | 200 |
| Woofer | 300 | Cavity | 101 |
| Ring-like magnetic circuit | 310 | Vibration component | 320 |
| Ring-like tank | 102 | Ring-like scarf | 103 |
| Internal ring portion | 110 | Outer portion | 120 |
| Upper ring section | 130 | U iron | 311 |
| Ring magnet | 312 | Washer piece | 313 |
| Holding tank | 3111 | Gap | 314 |
| Inner ring plate | 131 | Ring-like connecting plate | 132 |
| Outer ring plate | 133 | Sound film | 321 |
| Skeleton | 322 | Inner ring diaphragm | 3211 |
| Outer shroud diaphragm | 3212 | Middle ring diaphragm | 3213 |
| Interior land | 111 | Outer land | 121 |
| Ring | 3214 | First camber ring | 3215 |
| Second camber ring | 3216 | First reinforcement | 3217 |
| Second reinforcement | 3218 | Inner groove | 112 |
| Outer groove | 122 | Damping fin | 400 |
| Damping hole | 104 | Ring-like storage tank | 105 |
| Opening | 401 | Pcb board | 500 |
| First groove area | 1051 | Second groove area | 1052 |
| Spacer bar | 140 | Radome | 600 |
| Shield bucket | 610 | Cover plate | 620 |
| Acoustic hole | 621 | Spacing ring | 150 |
| Metallic channel | 106 |
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as on " being fixed on " or " being arranged at " another element, it can directly exist
On another element or it may be indirectly secured to or be arranged on another element by third member.When an element quilt
Another element referred to as " is connected to ", it can be directly to another element or it may be indirect by third member
It is connected on another element.
It should also be noted that, in the present embodiment " on " be Fig. 1 in E directions, " under " be Fig. 1 in F directions.Only it is each other
Relative concept or using the normal operating condition of product as reference, and should not be regarded as restrictive.
Below please refer to Fig. 1 to Fig. 4, the present invention provides a kind of sound-producing device, including ring-like support 100, high pitch are raised
Sound device 200 and woofer 300.
Ring-like support 100 has the cavity 101 of up/down perforation in the center, and high pitch loudspeaker 200 is embedded at cavity 101
It is interior.
Woofer 300 includes ring-like magnetic circuit 310 and is connected and is used for voiceband telecommunication with ring-like magnetic circuit 310
The vibration component 320 of vibration signal number is converted to, ring-like support 100 offers ring-like tank in its lower surface Bing Raoqi centers
102, ring-like magnetic circuit 310 and vibration component 320 are all in the ring-like tank 102, and high pitch loudspeaker 200 goes out sound under
Set.
In the present embodiment, high pitch loudspeaker 200 is arranged on cavity 101, and it goes out sound and set down；Woofer
300 are arranged in the ring-like tank 102 of ring-like support 100, and ring-like tank 102 notch towards down-set, woofer
300 principle is the audio electrical signal that vibration component 320 receives change, and vibration component 320 and ring-like magnetic circuit 310 are matched somebody with somebody
Close, vibration component 320 is produced axial cutting force, and then produce axially reciprocating, as electric energy is to the transformed of kinetic energy
Journey, is finally exported with acoustic energy signal.Go out sound face and the sound face that goes out of woofer 300 of high pitch loudspeaker 200 are located at the same side,
All towards down-set, such woofer 300 and high pitch loudspeaker 200 can just be linked up well, simple in construction, tight
Gather, sound-producing device is reached miniaturization, and then product is integrally reached miniaturization, easy to carry, comfortable wearing is more crucial
It is that the sound-producing device can really meet the demand of gamut.In addition, high pitch loudspeaker 200 is embedded in cavity 101, and with
Woofer 300 is separated, and the high audio that high pitch loudspeaker 200 is sent gives off via cavity 101 below, and this is not
The bass that can be sent on woofer 300 produces any influence, and therefore independent sounding, reaches the purpose of full range bandwidth,
During applied on earphone, it can allow consumer in audible range scope to the tonequality details and overtone listened to wider range
Composition, preferably embodies the stereovision and details expressive force of music, reappears real former sound.
In addition, high pitch loudspeaker 200 can be coil-moving speaker or moving iron type loud-speaker；Specification can be
A diameter of 3~10mm of φ 3~10mm of any coil-moving speaker or φ any moving iron type loud-speaker.High pitch is raised
High pitch loudspeaker 200 is fixed on the center hole position of woofer 300 by 200 additional ring-like supports 100 of sound device.Bass is raised
Sound device 300 and the coaxial placement in the same direction of high pitch loudspeaker 200, this makes the directive property of high audio good, too fast will not decay.
Specifically, the cavity 101 of ring-like support 100 is circular hole, its a diameter of 4~12mm of φ, the height of ring-like support 100
3~10mm, its material can select the plastic materials such as ABS.So, make the structure of sound-producing device compacter, carry lighter,
Wear more comfortable.
Specifically, the center of ring-like support 100, ring-like magnetic circuit 310 and vibration component 320 is all located on same axis.
In the present embodiment, the accessory of this programme is used in ring type structure substantially, and it is centrally located on same axis,
Small accessory is embedded in big accessory, no matter from the point of view of the width and height of structure, so integrated structure
Sizable space can be saved, so that whole product is to miniaturization.
The product can be earphone, audio amplifier etc..
Specifically, ring-like support 100 is provided with ring-like scarf 103 in the upper edge of its cavity 101, and is open towards upper
And set in horn-like, so, when being easy to the high pitch loudspeaker 200 to be embedded, can quick location and installation, it also avoid corner angle and scrape
Wipe, indicate that high pitch loudspeaker 200 is damaged.
Further, ring-like support 100 include internal ring portion 110, the outer portion 120 for being sheathed on the outside of internal ring portion 110 and
The upper ring section 130 being all connected with the upper end of internal ring portion 110 and the upper end of outer portion 120, cavity 101 is opened in internal ring portion 110, on
The inner ring surface of the lower surface of ring portion 130, the outer ring surface of internal ring portion 110 and outer portion 120 is collectively forming ring-like tank 102, ring
Type magnetic circuit 310 is fixed on the lower surface of upper ring section 130.So, the overall structure of sound-producing device is compacter.
Further, ring-like magnetic circuit 310 includes U iron 311, ring magnet 312 and washer piece 313, and U iron 311, ring-like
Magnet 312 and washer piece 313 are cascading from top to bottom, and are all sheathed on the outside of internal ring portion 110, and U iron 311, which has, to be held
Receive groove 3111, and holding tank 3111 notch towards down-set, ring magnet 312 is fixed in holding tank 3111, ring magnet
Stayed between 312 outer ring surface and the side channel wall of holding tank 3111 and set gap 314.
In the present embodiment, upper ring section 130 includes inner ring plate 131, ring-like connecting plate 132 and outer ring plate 133, inner ring plate
131 are located relatively at the top of outer ring plate 133, and the inner ring side of inner ring plate 131 is connected with the top of internal ring portion 110, and its outer annular edge
It is connected with the upper edges of boards of ring-like connecting plate 132, the lower edges of boards of ring-like connecting plate 132 are connected with the inner ring side of outer ring plate 133, and its
Outer annular edge is connected with the upper end of outer portion 120.The lower surface of inner ring plate 131 is fixed in the upper surface of U iron 311, and its week side of boss is pasted
In the inner ring surface of ring-like connecting plate 132, ring magnet 312 is sheathed on the periphery of internal ring portion 110, and is fixed on the upper of holding tank 3111
Cell wall, washer piece 313 is also enclosed on internal ring portion 110, and is fixed on the lower surface of ring magnet 312.At the same time, ring magnet
Stayed between the side channel wall of 312 outer ring surface, the outer ring surface of washer piece 313 and holding tank 3111 and set gap 314, for vibration component
320 are plugged, and change audio electric energy is converted into acoustic energy.So so that the ring-like overall structure of support 100 is compacter, reduce
The overall volume of sound-producing device, makes, carrying portable more compact using the product of the sound-producing device.
Further, vibration component 320 include the skeleton 322 that is connected in ring-like sound film 321, one end and sound film 321 with
And the coil of the skeleton other end periphery wall is wound in, skeleton 322 is cylindrical in shape setting, and coil is placed in gap 314, sound film
321 are connected at the notch of ring-like tank 102.
The wire of metal material produces electric energy, ring-like magnetic along the circumferentially wound formation coil of skeleton 322, coil conducting electric current
Iron 312 produces polarity of the magnetic field arrangement via current lead-through, then intersects active force by electric current and magnetic field generation angle, makes on coil
Lower effect, drives skeleton 322 to move up and down, and then drives sound film 321, and the rhythm moment that this receipts one is included can produce sound wave or gas
Stream, and send " sound ".
Coil, the winding direction of coil can influence the phase of monomer；Thickness, shape and the material of the plain conductor used
The whole efficiency and heat-resisting degree of monomer are influenceed, and bears powerful impedance magnitude.For example：The number of turns of coil is more,
Plain conductor is thinner, then the impedance of coil is higher.
In the present embodiment, washer piece 313 is used for magnetic conduction and increase magnetic field, to ensure that coil is in enough magnetic field ranges
Interior work.
Further, sound film 321 include inner ring diaphragm 3211, outer shroud diaphragm 3212 and be connected to inner ring diaphragm 3211 with
Middle ring diaphragm 3213 between outer shroud diaphragm 3212, the end of skeleton 322 is connected to middle ring diaphragm 3213；
Internal ring portion 110 offers interior land 111 upwards in the outward flange of its lower surface, and inner ring diaphragm 3211 is fixedly arranged on inner ring
The table top of platform 111；
Inward flange of the outer portion 120 in its lower surface offers outer land 121 upwards, and outer shroud diaphragm 3212 is fixedly arranged on outer shroud
The table top of platform 121.
In the present embodiment, sound film 321 is the fixed strong point with inner ring diaphragm 3211 and outer shroud diaphragm 3212, passes through bone
Frame 322 is influenceed by coil up-down vibration, and is moved up and down, and this just makes skeleton 322 be promoted with the change of audio electrical signal
The elastic deformation of middle ring diaphragm 3213, most audio-frequency electric can be converted into the acoustic energy that user can receive at last.And sound film 321 is this solid
Setting formula, is favorably improved the reliability of the fixation of sound film 321, the tonequality by its outflow is remained at same level state
Under, but also with dust-proof effect, improve tonequality.
Specifically, sound film 321 includes inner ring diaphragm 3211, outer shroud diaphragm 3212 and positioned at inner ring diaphragm 3211 and outer shroud
It is located therein in middle ring diaphragm 3213 between diaphragm 3212, middle ring diaphragm 3213 at ring towards being provided with a ring 3214.In
Ring diaphragm 3213 includes the first camber ring 3215, the second camber ring 3216 that cross section is all in circular arc type, the second camber ring 3216
The periphery of the first camber ring 3215 is located on, and is connected with the first camber ring 3215, the first camber ring 3215 and the second camber ring
3216 all courts are bent downwardly, and the outer annular edge of the first camber ring 3215 is connected with the inner ring side of the second camber ring 3216 and forms institute
The ring 3214 stated, one end of skeleton 322 is connected to ring 3214.So, skeleton 322 just can pull ring 3214, make first
The ring resilience of 3215 and second camber of camber ring 3216 is deformed, and then middle ring diaphragm 3213 is produced vibration, and by circular arc
The first camber ring 3215, the second camber ring 3216 and the inner ring diaphragm 3211 of shape, can be achieved deformation vibration, and audio electric energy is turned
Change kinetic energy into, ultimately form acoustic energy output.
In the present embodiment, the upper surface of the first camber ring 3215 is convexly equipped with multiple first reinforcements 3217, and around it
Center is uniformly distributed, and each first reinforcement 3217, which is tilted, to be extended.The upper surface of second camber ring 3216 is provided with multiple second
Reinforcement 3218, and be uniformly distributed around its center, each second reinforcement 3218, which is also tilted, to be extended.First reinforcement 3217
And second reinforcement 3218 setting, the rigidity of sound film 321 can either be increased, audio bass characteristic can be improved again, so as to carry
Height is used for the quality for exporting the product of audio.
Skeleton 322 on ring 3214, passes through coil input change by high temperature resistant and the strong glue bonding of adhesive property
Audio electrical signal and gap 314 in radial magnetic field produce electromagnetic induction so that produce that an amplitude differs vertically
Driving force, promotes sound film 321 to do reciprocal linear movement, so that audio electrical signal is converted into voice signal；Wherein, sound film
321 be to form individual layer diaphragm using any novel high polymer material among PET, PEEK, PAR and PEI etc., and adds plating titanium layer to meet
Form, the rigid extension high frequency to increase sound film 321.Wherein, sound Mo321Yu Qi centers are designed using perforate, pore size
For 5~13mm of φ.
The U iron 311 of perforate centered on U iron 311, ring magnet 312 is ring-like neodymium magnet, and washer piece 313 uses low
Carbon steel material, the ring-like magnetic circuit 310 of woofer 300 is bonded in one piece using specific tool and glue, constitutes a magnetic
Air circuit, is that woofer 300 provides permanent-magnetic field.
The inner ring diaphragm 3211 and outer shroud diaphragm 3212 of sound film 321 are all located in approximately the same plane, ring 3214 and skeleton
322 are bonded together with high temperature resistant and the strong glue of adhesive property, and the electric signal of change, the electric signal of change are inputted by coil
With power effectiveness of the permanent-magnetic field according to electromagnetic induction, about one driving force is produced, so as to convert electrical signals to acoustical signal.
In the present embodiment, sidepiece opens up inner groove 112, the inner ring of inner ring diaphragm 3211 to interior land 111 upwards in the inner
While may extend at the notch of inner groove 112；Outer land 121 opens up outer groove 122, outer shroud diaphragm 3212 upwards in its outside portion
Outer annular edge may extend at the notch of outer groove 122.The setting of inner groove 112 and outer groove 122, on the one hand, be easy to quick
It is fixedly mounted；On the other hand, when adopt fasten with glue fixed when, be easy to unnecessary glue to squeeze into inner groove 112 and outer groove 122
It is interior, keep inner ring diaphragm 3211 to be in same plane all the time with outer shroud diaphragm 3212, it is ensured that vibration component 320 is converted into sound letter
Number quality.
Further, sound-producing device is also included located at the upper surface of ring-like support 100 and in ring-like damping fin 400, ring
Multiple damping holes 104, each damping hole 104 are offered at the position that type support 100 is faced in surface with damping fin 400 thereon
Connect and open up with ring-like tank 102.Set by damping fin 400, and the cooperation with damping hole 104, noise is effectively reduced,
Shockproofness is reduced, improves tonequality.
Specifically, the outer edge on ring-like support 100 surface thereon opens up downwards ring-like storage tank 105, described resistance
Buddhist nun hole 104 is the damping hole 104 opened up from the lower cell wall of ring-like storage tank 105 to ring-like tank 102, and damping fin 400 is pasted
Located at the lower cell wall of ring-like storage tank 105.
In the present embodiment, ring-like storage tank 105 is opened in the upper face of outer ring plate 133.
In the present embodiment, damping fin 400 has an opening 401.
Further, sound-producing device also includes the upper surface that ring-like support 100 is connected and be located at audio frequency apparatus output line
Pcb board 500, high pitch loudspeaker 200 is all electrically connected with woofer 300 with pcb board 500.So, voiceband telecommunication is realized
Number transmission.
Specifically, ring-like 105 points of storage tank is for being installed with the first groove area 1051 of damping fin 400 and for being installed with PCB
Second groove area 1052 of plate 500.
In the present embodiment, ring-like support 100 also includes two spacer bars 140, and be located at respectively the first groove area 1051 with
Two ring-like joints between second groove area 1052.So, just damping fin 400 can be kept apart with pcb board 500.
The outer ring surface of ring-like support 100 offers the metallic channel 106 of up/down perforation, metallic channel 106 and ring-like storage tank 105
Connection, is drawn with the wire termination for coil along metallic channel 106, and with the electricity of pcb board 500 in ring-like storage tank 105
Property connection, regular wire, it is to avoid wire is exposed easily causes and scrapes disconnected, makes Joint failure, meanwhile, also make sound-producing device overall structure
It is compacter, regular.Specifically, metallic channel 106 is connected with the first groove area 1051.
Specifically, pcb board 500 is provided with eight pads, wherein, high pitch loudspeaker 200 has high pitch input pin and height
Sound output pin, the high pitch input pin of two pads and high pitch loudspeaker 200 is electrically connected with, two pads and high pitch loudspeaker
200 high pitch output pin is electrically connected with, and woofer 300 has bass input pin and bass output pin, two
The bass input pin of pad and woofer 300 is electrically connected with, and the bass output of two pads and woofer 300 is drawn
Pin is electrically connected with, and the material of pcb board 500 is FR4.
Further, sound-producing device also includes the frequency divider being electrically connected with pcb board 500, and frequency divider is a kind of circuit dress
Put, the audio electrical signal of input is separated into high pitch, bass different piece.
Specifically, frequency divider and four pads are electrically connected with, and four pads are respectively the height with high pitch loudspeaker 200
Two pads that sound input pin is electrically connected with, and two with the bass input pin electric connection of woofer 300
Pad.
High pitch loudspeaker 200 is linked together by pcb board 500 with woofer 300, and woofer 300 with
Bass and high pitch are engaged togather well by the filter circuit of a second order between high pitch loudspeaker 200, one is constituted
The sound-producing device of Whole frequency band, so as to reach 20HZ-40KHZ pass band.
Further, sound-producing device also includes the radome 600 for being cylindrical in shape setting, and high pitch loudspeaker 200 is embedded at shielding
In cover 600, radome 600 is embedded at cavity 101.This is to prevent the vibrational system and woofer of high pitch loudspeaker 200
300 permanent-magnetic field is produced and interfered, therefore in the ring-like radome 600 of 200 additional metal materials of high pitch loudspeaker.
The radome 600 can be shielded in the audio electrical signal changed in woofer 300 and ring-like magnetic circuit 310 forever
The electromagnetic interference that long magnetic field is produced, so that it is guaranteed that high pitch loudspeaker 200 uninterruptedly works.Radome 600 uses magnetic
Property material, such as iron, steel.
Specifically, radome 600 includes the shielding bucket 610 for being sheathed on the week side of boss of high pitch loudspeaker 200 and center with biography
Sound hole 621 simultaneously connects the capping plate 620 of shielding bucket 610 lower end, and what capping plate 620 was right against high pitch loudspeaker 200 goes out sound face.
Further, ring-like support 100 also includes spacing ring 150, and spacing ring 150 is high at the lower accent of cavity 101
The edge for going out sound face of sound loudspeaker 200 is connected to spacing ring 150.The setting of spacing ring 150, on the one hand, for tweeter
The installation of device 200 is spacing, on the other hand, it is ensured that the sound film for going out sound face position and woofer 300 of high pitch loudspeaker 200
321 are located at approximately the same plane.
In the present embodiment, capping plate 620 is resisted against the upper ring surface of spacing ring 150.
The present invention also provides a kind of earphone, including ear casing and in ear casing and sound-producing device described above, ear
The tone channel that goes out that casing has connection extraneous with sound-producing device, high pitch loudspeaker 200 goes out going out for sound face and woofer 300
Sound face is all right against out tone channel.
In the present embodiment, by the way that above-mentioned sound-producing device is applied into earphone, earphone is not only reduced volume, also make ear
Machine can allow consumer in audible range scope to listening to the tonequality details of wider range and general to the requirement of gamut
Sound composition, preferably embodies the stereovision and details expressive force of music, reappears real former sound.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of sound-producing device, it is characterised in that including ring-like support, high pitch loudspeaker and woofer,
The ring-like support has the cavity of up/down perforation in the center, and the high pitch loudspeaker is embedded in the cavity；
The woofer includes ring-like magnetic circuit and is connected with the ring-like magnetic circuit and is used to turn audio electrical signal
The vibration component of vibration signal is changed to, the ring-like support offers ring-like tank, the ring in its lower surface Bing Raoqi centers
Type magnetic circuit and the vibration component all in the ring-like tank, the high pitch loudspeaker go out sound face it is down-set.
2. sound-producing device as claimed in claim 1, it is characterised in that the ring-like support include internal ring portion, be sheathed on it is described
Outer portion on the outside of internal ring portion and the upper ring section being all connected with the upper end of the internal ring portion and the upper end of the outer portion, it is described
Cavity is opened in the internal ring portion, the lower surface of the upper ring section, the outer ring surface of the internal ring portion and the outer portion it is interior
Anchor ring is collectively forming the ring-like tank, and the ring-like magnetic circuit is fixed on the lower surface of the upper ring section.
3. sound-producing device as claimed in claim 2, it is characterised in that the ring-like magnetic circuit includes U iron, ring magnet and China
Piece is taken charge of, and the U iron, the ring magnet and the washer piece are cascading from top to bottom, and be all sheathed on described
On the outside of internal ring portion, the U iron has a holding tank, and the holding tank notch towards down-set, the ring magnet is fixed on
In the holding tank, stayed between the side channel wall of the outer ring surface of the ring magnet and the holding tank and set gap.
4. sound-producing device as claimed in claim 3, it is characterised in that the vibration component includes being in ring-like sound film, one end
The skeleton being connected with the sound film, and the coil of the skeleton other end periphery wall is wound in, the skeleton is cylindrical in shape setting,
The coil is placed in the gap, and the sound film is connected at the notch of the ring-like tank.
5. sound-producing device as claimed in claim 4, it is characterised in that the sound film include inner ring diaphragm, outer shroud diaphragm and
The middle ring diaphragm between the inner ring diaphragm and the outer shroud diaphragm is connected to, the end of the skeleton is connected to the middle ring film
Piece；
The internal ring portion offers interior land upwards in the outward flange of its lower surface, and the inner ring diaphragm is fixedly arranged on the interior land
Table top；
Inward flange of the outer portion in its lower surface offers outer land upwards, and the outer shroud diaphragm is fixedly arranged on the outer land
Table top.
6. the sound-producing device as any one of claim 1 to 5, it is characterised in that the sound-producing device also includes being located at
The upper surface of the ring-like support and in ring-like damping fin, the ring-like support thereon in surface with the damping fin mutually just
To position at offer multiple damping holes, each damping hole is connected with the ring-like tank and opened up.
7. the sound-producing device as any one of claim 1 to 5, it is characterised in that the sound-producing device also includes and sound
Frequency equipment output line connects and is located at the pcb board of the upper surface of the ring-like support, and the high pitch loudspeaker is raised with the bass
Sound device is all electrically connected with the pcb board.
8. the sound-producing device as any one of claim 1 to 5, it is characterised in that the sound-producing device also includes being in cylinder
The radome that shape is set, the high pitch loudspeaker is embedded in the radome, and the radome is embedded at the cavity.
9. the sound-producing device as any one of claim 2 to 5, it is characterised in that the ring-like support also includes spacing
Ring, the spacing ring is at the lower accent of the cavity, and the edge for going out sound face of the high pitch loudspeaker is connected to the limit
Position ring.
10. a kind of earphone, it is characterised in that including ear casing and in the ear casing and as appointed in claim 1 to 9
Sound-producing device described in one, the ear casing, which has to connect, extraneous goes out tone channel, the tweeter with the sound-producing device
Device go out sound face and the woofer go out sound face be all right against it is described go out tone channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127601.2A CN107046666A (en) | 2017-03-06 | 2017-03-06 | A kind of sound-producing device and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710127601.2A CN107046666A (en) | 2017-03-06 | 2017-03-06 | A kind of sound-producing device and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107046666A true CN107046666A (en) | 2017-08-15 |
Family
ID=59544569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710127601.2A Pending CN107046666A (en) | 2017-03-06 | 2017-03-06 | A kind of sound-producing device and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107046666A (en) |
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| CN111164989A (en) * | 2017-11-20 | 2020-05-15 | 宝星甲子股份有限公司 | Hybrid speaker |
| WO2022036875A1 (en) * | 2020-08-20 | 2022-02-24 | 歌尔股份有限公司 | Sound generation device module |
| CN115002590A (en) * | 2021-09-22 | 2022-09-02 | 北京荣耀终端有限公司 | Loudspeaker module and earphone |
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Application publication date: 20170815 |