CN208112929U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN208112929U CN208112929U CN201721864655.9U CN201721864655U CN208112929U CN 208112929 U CN208112929 U CN 208112929U CN 201721864655 U CN201721864655 U CN 201721864655U CN 208112929 U CN208112929 U CN 208112929U
- Authority
- CN
- China
- Prior art keywords
- magnet
- loudspeaker
- voice coil
- magnetic circuit
- venthole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of loudspeaker, including magnetic circuit system and vibrational system, magnetic gap is formed in the magnetic circuit system, the width range of the magnetic gap is 0.5-0.8cm；It include magnet in the magnetic circuit system, the magnet is ndfeb magnet.The speaker product that the technical solution of the utility model provides is more frivolous.
Description
Technical field
The utility model relates to acoustic-electric energy-conversion technique fields, more particularly, to a kind of loudspeaker.
Background technique
Loudspeaker converts electrical signals to voice signal energy converter as one kind, is indispensable in electro-acoustic product
Component.With the increasingly update of technology, the design of electronic product is increasingly intended to sophistication, compact and intelligent, as
The loudspeaker unit of electronic product important spare part constantly develops to more frivolous direction.
Currently, existing woofer is generally made of vibrational system, magnetic circuit system and support system.Vibrational system packet
Vibrating diaphragm, ring, centring disk voice coil are included, support system includes frame, terminal, and magnetic circuit system includes magnet, washer, U iron.It is producing
It is needed when product oscillation space designs while considering diaphragm oscillations space, centring disk oscillation space and voice coil vibrations space, and
For magnetic circuit system usually using ferrite lattice, magnetic circuit system volume is bigger than normal.
So existing woofer product is generally thicker, it is difficult to the thickness for reducing loudspeaker entirety, portable
Application in stereo set has certain difficulty, basically can not especially use in the stereo set using ultrathin design.
Utility model content
One purpose of the utility model is to provide a kind of new solution of loudspeaker.
It is according to the present utility model in a first aspect, provide a kind of loudspeaker, including magnetic circuit system and vibrational system are described
Magnetic gap is formed in magnetic circuit system, the width range of the magnetic gap is 0.5-0.8cm；It include magnetic in the magnetic circuit system
Iron, the magnet are ndfeb magnet.
Optionally, the vibrational system includes voice coil and vibrating diaphragm, and two leads are led on the voice coil, are drawn described in two
Line is centrosymmetric distribution relative to the center of the voice coil.
Optionally, the lead is fixed on the vibrating diaphragm.
Optionally, the vibrating diaphragm includes ring portion, curved portion and planar portions, and the ring portion is located at the outer of the vibrating diaphragm
Peripheral edge, the planar portions are located at the inside in the ring portion, the inward flange of the outer edge of the planar portions and the ring portion
Connection, the arc part are connect in the inside of the planar portions, the inward flange of the curved portion with the voice coil.
Optionally, the voice coil upper cover is equipped with dust cap.
Optionally, be provided with venthole in the magnetic circuit system, the venthole be configured as by the vibrational system with
The exterior space of the magnetic circuit system bottom is connected to.
Optionally, the magnetic circuit system includes the washer set gradually, magnet and U iron, on the washer, magnet and U iron
It is provided with interconnected venthole.
Optionally, the diameter of venthole is greater than the diameter of venthole at the washer and magnet at the U iron.
Optionally, U iron bottom is provided with air passage, and the air passage is outer by the venthole and loudspeaker side wall
Enclose connection.
Optionally, the width range of the magnetic gap is 0.6-0.7cm.
According to one embodiment disclosed by the utility model, the speaker product provided is more frivolous.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiments of the present invention, and
And together with its explanation for explaining the principles of the present invention.
Fig. 1 is the Structure explosion diagram for the loudspeaker that specific embodiment of the utility model provides；
Fig. 2 is the loudspeaker front axonometric drawing that specific embodiment of the utility model provides；
Fig. 3 is the loudspeaker reverse side axonometric drawing that specific embodiment of the utility model provides；
Fig. 4 is the cross-sectional view for the loudspeaker that specific embodiment of the utility model provides；
Fig. 5 is the partial enlarged view of Fig. 4；
Fig. 6 is the top view that the vibrating diaphragm that specific embodiment of the utility model provides is connected with voice coil side；
Fig. 7 is the side schematic view that the vibrating diaphragm that specific embodiment of the utility model provides is connected with voice coil and lead.
Wherein：1, magnetic gap, 2, magnet, 3, voice coil, 4, lead, 5, vibrating diaphragm, 51, ring portion, 52, planar portions, 53, arc
Portion, 6, dust cap, 7, venthole, 8, washer, 9, U iron, 10, air passage.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：Unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The utility model provides a kind of loudspeaker, as shown in figures 1 to 6, including magnetic circuit system and vibrational system, the magnetic
Magnetic gap is formed in the system of road, it includes magnetic in the magnetic circuit system that the width range of the magnetic gap 1, which is 0.5-0.8cm,
Iron 2, the magnet 2 are ndfeb magnet.
Without configuration centring disk in the vibrational system of loudspeaker provided by the utility model, designed in product oscillation space
When save centring disk needed for oscillation space, loudspeaker is designed more frivolous.1 width of magnetic gap
Increase, avoids due to there is no to feel relieved a film-making and issuable polarization, voice coil rub circle problem, voice coil and magnetic circuit system is avoided to produce
Raw collision.Meanwhile the magnet 2 uses ndfeb magnet, further enhances the magnetic field strength in the magnetic gap 1, voice coil
The magnetic force being subject in the magnetic gap 1 is bigger, and voice coil vibrations are more stable, further avoids the polarization of voice coil, rubs circle and ask
Topic.Furthermore the magnet 2 uses ndfeb magnet, because the magnetic field strength of ndfeb magnet is bigger relative to ferrite lattice,
In the case where needing same magnetic magnetic field strength to require, the thickness of the magnet 2 be can reduce, and keep loudspeaker more frivolous, matter
Amount is lighter, is more applicable in portable speaker system.
Preferably, the width range of the magnetic gap 1 is 0.6-0.7cm.When the width of the magnetic gap is in the range
When, ndfeb magnet more effectively can drive vibrational system to vibrate, and prevent vibration component
Specifically, as seen in figs. 5-6, the vibrational system includes voice coil 3 and vibrating diaphragm 5, two are led on the voice coil 3
Lead 4, two leads 4 relative to the voice coil 3 center with centrosymmetric formal distribution.The lead 4 uses this
Kind centrosymmetric mode is drawn from the voice coil 3, can be avoided the lead 4 cause the quality of the voice coil 3 uneven and
Polarization is led to the problem of, guarantees loudspeaker stable performance.Optionally, the lead 4 can also be drawn using other modes, this
Utility model is without limitation, and the transformation of these lead-out modes belongs to the protection scope of the utility model.
It is further preferred that the lead 4 is fixed on the vibrating diaphragm 5.The lead 4, will after the voice coil 3 extraction
The lead 4 is connected on the side of the voice coil 3 by being bonded in the vibrating diaphragm 5, then the end of the lead 4 is connected respectively
It connects on preset terminal, the center of the cross-talk and the voice coil 3 is also centrosymmetric.Optionally, the lead 4 passes through weldering
It connects and is fixed on the vibrating diaphragm 5, with no restrictions, all technical solutions that can reach similar technology effect all belong to the utility model
In the protection scope of the utility model.The lead 4 is fixed on the vibrating diaphragm 5, it is possible to reduce the lead 4 occupies additionally
Oscillation space, while can also guarantee the fixing intensity of the voice coil 3 and the lead 4, avoid after repeatedly being vibrated because of lead
So that the fixed enamel-cover line relaxation wound on voice coil.
Optionally, as shown in Figure 4,5, the vibrating diaphragm 5 includes ring portion 51, planar portions 52 and curved portion 53.It is described flat
Face is located at the inside in the ring portion, and the outer edge of the planar portions is connect with the inward flange in the ring portion, the arc
Portion is located at the inside of the planar portions, and the inward flange of the curved portion is connect with the voice coil.The ring portion works in product
When play the role of suspension and guiding, enable vibrational system normal vibration sounding.It the ring portion 51 can be curved by one
It rolls over annular element to constitute, the planar portions 52 and curved portion 53 can be made of a cone basin.The planar portions 52 and ring portion 51
Connection is formed, the surface of the curved portion 53 is in the cambered surface bent, as shown in figure 5, the curved portion 53 is then along into vibrating diaphragm
The direction that the heart extends, which is gradually bent, turns up.By the way that the curved portion is arranged, the whole ductility of the vibrating diaphragm 5 can be increased, protected
Product has been demonstrate,proved with sufficiently wide frequency response.The high-frequency sound that diaphragm oscillations generate has better acoustical quality.This field
Technical staff can according to need, and the accounting of doubling ring portion, curved portion and planar portions in entire vibrating diaphragm is configured, can also be with
Ring portion, curved portion and planar portions other combinations are selected, all technical solutions that can reach similar technology effect belong to
The protection scope of the utility model.
Preferably, the voice coil upper cover is equipped with dust cap 6, as shown in Figure 3,4.The dust cap 6 can be formed with voice coil 3
It is fixedly connected, can also be formed and be connected with vibrating diaphragm 5.For example, the edge of the dust cap 6 is connected in the planar portions 52 of vibrating diaphragm,
The inner surface of dust cap 6 is connect with the top surface of voice coil 3.The dust cap 6 plays the role of the closure of openings at voice coil 3,
And then dust, foreign matter is avoided to fall in loudspeaker, influence performance and the service life of loudspeaker.On the other hand, setting dust cap 6 can
Improve the acoustic efficiency of loudspeaker.
Venthole 7 is provided in a kind of optional embodiment for the magnetic circuit system in the magnetic circuit system,
The vibrational system is connected to by the venthole 7 with the exterior space of the magnetic circuit system bottom.Include in the vibrational system
There is vibrating diaphragm 5, the vibrating diaphragm 5 vibration when product works can make the vibrational system generate heat, the vibrating diaphragm and the magnetic circuit
After the peripheral space of system bottom is connected to by the venthole 7, the cavity of the vibrational system and magnetic circuit system besieged city
Gas exchanges can be carried out with the periphery of the magnetic circuit system bottom, reduce the intracorporal temperature of the chamber, guarantee and stabilize production
The acoustical behavior of product.
As described in Figure 1, the magnetic circuit system includes washer 8, magnet 2 and U iron 9, the washer 8 with and magnet 2 be set to
In the U iron 9, the washer 8 is located on the magnet 2, and the pad of U iron 9 is below the magnet 2.The washer 8 and magnet
Gap between 2 and the U iron 9 forms the magnetic gap 1.The centre of the washer 8, magnet 2 and U iron 9 is provided with company
The vibrational system is connected to by logical venthole 7, the venthole 7 with the periphery of the magnetic circuit system bottom.
Wherein, the diameter of the venthole 7 at the U iron 9 is greater than the diameter of the venthole 7 at the washer 8 and magnet 2,
More stable when air-flow can be made to be flowed in this way, biggish venthole plays the role of current stabilization at the U iron 9, reaches
Better heat dissipation effect.Preferably, the washer 8 is identical with the diameter of the venthole 7 at magnet 2, the 7 circle of position column of venthole
Shape.Optionally, the diameter of the venthole 7 of the washer 8, magnet 2 and U iron 9 can according to need setting, the venthole respectively
7 can be the other shapes such as rectangle, and the utility model is without limitation, the variation of these diameters and vent shapes,
Belong to the protection scope of the utility model.
Further, as shown in Figure 3-4, the bottom of the U iron 9 is provided with air passage 10, the air guide from the U iron 9
Hole 7 extends to form the air passage 10 to the periphery of loudspeaker side wall, and the air passage 10 is by the venthole 7 and loudspeaker side
The periphery connection of wall.When speaker bottom is close to speaker system cabinet or is pasted with damping foam, the air passage 10
Being arranged can be connected to the venthole 7 with the periphery of the loudspeaker side wall, avoid the venthole 7 and be plugged, make to raise
The heat dissipation of sound device is smooth, guarantees the acoustical behavior of product.
Preferably, the air passage 10 is connected to the magnetic gap 1 simultaneously, and such air-flow can pass through the ventilation simultaneously
Hole 7 and magnetic gap 1 and the periphery of loudspeaker side wall swap, and reach better heat dissipation effect.
In addition, being also provided with magnetic liquid in the magnetic gap 1, the voice coil 3 is due to there is magnetic liquid, to coil
Vibration damping can be reinforced, meanwhile, magnetic liquid can also play the effect cooling to the voice coil 3, further speed up heat dissipation, improve
The acoustical behavior of product.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that example above merely to be illustrated, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (9)
1. a kind of loudspeaker, which is characterized in that including magnetic circuit system and vibrational system, be formed between magnetic in the magnetic circuit system
Gap, the width range of the magnetic gap are 0.5-0.8cm；It include magnet in the magnetic circuit system, the magnet is neodymium iron boron
Magnet, the vibrational system include voice coil and vibrating diaphragm, two leads are led on the voice coil, two leads are relative to institute
The center for stating voice coil is centrosymmetric distribution, and centring disk is not configured in the vibrational system of the loudspeaker.
2. loudspeaker according to claim 1, which is characterized in that the lead is fixed on the vibrating diaphragm.
3. loudspeaker according to claim 1, which is characterized in that the vibrating diaphragm includes ring portion, curved portion and plane
Portion, the ring portion are located at the peripheral edge of the vibrating diaphragm, and the planar portions are located at the inside in the ring portion, the planar portions
Outer edge connect with the inward flange in the ring portion, the arc part in the inside of the planar portions, the curved portion
Inward flange is connect with the voice coil.
4. loudspeaker according to claim 1, which is characterized in that the voice coil upper cover is equipped with dust cap.
5. loudspeaker according to claim 1, which is characterized in that the width range of the magnetic gap is 0.6-0.7cm.
6. loudspeaker according to claim 1, which is characterized in that venthole is provided in the magnetic circuit system, it is described logical
The vibrational system is connected to by stomata with the exterior space of the magnetic circuit system bottom.
7. loudspeaker according to claim 1 or 6, which is characterized in that the magnetic circuit system include the washer set gradually,
Magnet and U iron are provided with interconnected venthole on the washer, magnet and U iron.
8. loudspeaker according to claim 7, which is characterized in that the diameter of venthole is greater than the washer at the U iron
With the diameter of venthole at magnet.
9. loudspeaker according to claim 7, which is characterized in that U iron bottom is provided with air passage, the air passage
The venthole is connected to the periphery of loudspeaker side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864655.9U CN208112929U (en) | 2017-12-27 | 2017-12-27 | A kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864655.9U CN208112929U (en) | 2017-12-27 | 2017-12-27 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208112929U true CN208112929U (en) | 2018-11-16 |
Family
ID=64130236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864655.9U Expired - Fee Related CN208112929U (en) | 2017-12-27 | 2017-12-27 | A kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208112929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114493A1 (en) * | 2018-12-07 | 2020-06-11 | Harman International Industries, Incorporated | Speaker |
-
2017
- 2017-12-27 CN CN201721864655.9U patent/CN208112929U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020114493A1 (en) * | 2018-12-07 | 2020-06-11 | Harman International Industries, Incorporated | Speaker |
| US11968509B2 (en) | 2018-12-07 | 2024-04-23 | Harman International Industries, Incorporated | Speaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10469952B2 (en) | Loudspeaker | |
| US20120269379A1 (en) | Diaphragm used in a loudspeaker and a loudspeaker | |
| CN106341760B (en) | Coaxial moving-coil speaker and earphone | |
| CN204578771U (en) | Loud speaker | |
| CN107995573A (en) | A kind of loudspeaker | |
| CN204031442U (en) | Loud speaker | |
| CN208940229U (en) | Sounding device | |
| CN207968951U (en) | Microspeaker | |
| CN107509142B (en) | Multifunctional loudspeaker | |
| CN105828257A (en) | Loudspeaker | |
| CN105100996A (en) | Two-in-one loudspeaker unit and headset | |
| CN205793301U (en) | Speaker | |
| CN208112929U (en) | A kind of loudspeaker | |
| CN203590452U (en) | Ultrathin loudspeaker | |
| CN205693884U (en) | A kind of Microspeaker with double washer structure | |
| CN209105448U (en) | Loudspeaker | |
| CN203596905U (en) | Loudspeaker and dustproof cap | |
| CN201750540U (en) | Woofer | |
| CN104581560B (en) | Low profile speaker transducer | |
| JP2011101074A (en) | Electrodynamic speaker and vibration member used therefor | |
| CN210093506U (en) | Convex middle-tone loudspeaker | |
| JP4088983B2 (en) | Speaker | |
| CN103747392A (en) | Anti-distortion speaker magnetic circuit and anti-distortion speaker | |
| KR100751212B1 (en) | Mobile terminal having round type speaker | |
| CN207802361U (en) | A kind of loud speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20191227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |