CN207802360U - Vibration component, sound-producing device and electronic equipment for sound-producing device - Google Patents

Abstract

The utility model is related to the vibration components, sound-producing device and electronic equipment for sound-producing device.The vibration component includes：Vibrating diaphragm, voice coil and reinforcing ring, the voice coil are arranged on the central part of the vibrating diaphragm, and the cross-sectional shape of the reinforcing ring and the cross-sectional shape of the voice coil match, and the reinforcing ring is fixed on the free end of the voice coil.A technical problem to be solved in the utility model is since voice coil structure intensity is relatively low, therefore Microspeaker is susceptible to the valley points FR in high band.One purposes of utility model is to be used for electronic equipment.

Description

Vibration component, sound-producing device and electronic equipment for sound-producing device

Technical field

The utility model is related to electroacoustic switch technology fields, are filled for sounding more specifically, the utility model is related to one kind Vibration component, sound-producing device and the electronic equipment set.

Background technology

Existing Microspeaker generally includes shell, vibration component and magnetic circuit component.Vibration component includes vibrating diaphragm, DOME And voice coil.Voice coil is arranged on the central part of vibrating diaphragm.DOME is located at central part.The free end of voice coil is inserted between the magnetic of magnetic circuit component In gap.

Since voice coil is made of conductor wires coiling, structural strength is relatively low, therefore Microspeaker holds in high band Easily there are the valley points FR.In order to eliminate the valley points FR, it usually needs change the structure of vibration component especially voice coil.However, due to micro- The size of type inside loudspeakers is small, and the structure for changing voice coil needs the magnetic gap to magnetic circuit component to redesign, and increases in this way Design cost is added.

Utility model content

One purpose of the utility model is to provide a kind of vibration component, sound-producing device and electronics for sound-producing device The new solution of equipment.

One side according to the present utility model provides a kind of vibration component for sound-producing device.The vibration component Including：Vibrating diaphragm, voice coil and reinforcing ring, the voice coil are arranged on the central part of the vibrating diaphragm, the cross section shape of the reinforcing ring The cross-sectional shape of shape and the voice coil matches, and the reinforcing ring is fixed on the free end of the voice coil.

Optionally, the reinforcing ring is bonded in the free end of the voice coil by binder or double faced adhesive tape.

Optionally, the voice coil is cyclic annular in circular, rectangular ring or track type, the shape of the reinforcing ring with it is described The shape of voice coil matches.

Optionally, the reinforcing ring is made by permeability magnetic material.

Optionally, the reinforcing ring is made by non-magnet material.

Optionally, the reinforcing ring is made by copper alloy, aluminium alloy or stainless steel.

Optionally, the reinforcing ring is located at the inside and or outside of the free end.

Second aspect according to the present utility model provides a kind of sound-producing device.The sound-producing device include magnetic circuit component and The vibration component provided by the utility model, the free end of the voice coil and the reinforcing ring are inserted into the magnetic of the magnetic circuit component In gap.

Optionally, the magnetic circuit component is single magnetic circuit system, three magnetic circuit systems or five magnetic circuit systems.

The third aspect according to the present utility model, provides a kind of electronic equipment.The electronic equipment includes the utility model The sound-producing device provided.

One of the utility model has technical effect that vibration component includes reinforcing ring.Reinforcing ring is fixed on voice coil Free end.Reinforcing ring has the structural strength of setting, can reinforce the intensity of voice coil.This enables voice coil to be protected in high-frequency vibration Stable structure is held, avoids and occurs the valley points FR in high-frequency vibration.

It in addition, the structure of reinforcing ring is simple, need to only be increased on the basis of original vibration component, not needed pair The magnetic circuit component of sound-producing device is redesigned, and design cost is greatly reduced.

By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other Feature and its advantage will become apparent.

Description of the drawings

The attached drawing of a part for constitution instruction describes the embodiments of the present invention, and uses together with the description In explanation the principles of the present invention.

Fig. 1 is the exploded view of the vibration component of one embodiment according to the present utility model.

Fig. 2 is the partial sectional view of the sound-producing device of one embodiment according to the present utility model.

Reference sign：

11：DOME；12：Vibrating diaphragm；13：Voice coil；14：Reinforcing ring；15：Shell；16：Permanent magnet；17：Magnetic-conductance portion；18：China Department.

Specific implementation mode

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.

It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality Novel and its application or any restrictions used.

Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation Under, the technology and equipment should be considered as part of specification.

In shown here and discussion all examples, any occurrence should be construed as merely illustrative, 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, then it need not be further discussed in subsequent attached drawing in a attached drawing.

Fig. 1 is the exploded view of the vibration component of one embodiment according to the present utility model.

As shown in Figure 1, the vibration component for sound-producing device includes：Vibrating diaphragm 12, voice coil 13 and reinforcing ring 14.Optionally, Vibrating diaphragm 12 is ring vibrating diaphragm or plate diaphragm.Voice coil 13 is formed by conductor wires coiling.Voice coil 13 is arranged on vibrating diaphragm 12 Central part.For example, one end of voice coil 13 to be adhered to the central part of vibrating diaphragm 12 using binder.The cross-sectional shape of reinforcing ring 14 Match with the cross-sectional shape of voice coil 13.Reinforcing ring 14 is fixed on the free end of voice coil 13.Free end refers to voice coil 13 One end far from vibrating diaphragm 12.Reinforcing ring 14 has the structural strength of setting, can reinforce the intensity of voice coil 13, avoid in high frequency vibrating Occur the valley points FR when dynamic.

It should be noted that match refer to reinforcing ring 14 cross-sectional shape it is identical as the cross-sectional shape of voice coil 13 or Person is close.For example, reinforcing ring 14 is located on the end face of free end.The annular size phase of the annular size of reinforcing ring 14 and voice coil 13 Same or reinforcing ring 14 annular size is less than the annular size of voice coil 13, so that orthographic projection of the voice coil 13 on vibrating diaphragm 12 can be complete Orthographic projection of all standing reinforcing ring 14 on vibrating diaphragm 12.It is avoided that reinforcing ring 14 protrudes from voice coil 13 in this way, prevents reinforcing ring 14 It is formed and is interfered with magnetic circuit system.

Can also be, 14 Local Convex of reinforcing ring for voice coil 13 inside or outside, as long as vibration when not with magnetic circuit System forms interference.

In other examples, reinforcing ring 14 is located at the inside and or outside of free end.The side that inside, that is, voice coil surrounds, The side of the periphery of outside, that is, voice coil.For example, being bonded in the inside and or outside of free end by binder.As long as magnetic gap Space it is enough, reinforcing ring 14 will not with magnetic circuit component formed interfere.This setup, reinforcing ring 14, which will not occupy, to shake Dynamic component along the space of direction of vibration.

Those skilled in the art can be set according to actual needs internal diameter, outer diameter, height, width of reinforcing ring 14 etc..

In the utility model embodiment, vibration component includes reinforcing ring 14.Reinforcing ring 14 is fixed on oneself of voice coil 13 By holding.Reinforcing ring 14 has the structural strength of setting, can reinforce the intensity of voice coil 13.This makes voice coil 13 in high-frequency vibration Energy holding structure is stablized, and avoids and occurs the valley points FR in high-frequency vibration.

In addition, the structure of reinforcing ring 14 is simple, it need to only be increased on the basis of original vibration component, not needed The magnetic circuit component of sound-producing device is redesigned, design cost is greatly reduced.

In one example, reinforcing ring 14 is bonded in the free end of voice coil 13 by binder or double faced adhesive tape.This two Kind of mode can make reinforcing ring 14 be securely attached to the free end of voice coil 13.

Optionally, voice coil 13 is cyclic annular in circular, rectangular ring or track type.The shape of reinforcing ring 14 and the voice coil 13 shape matches.That is, the shape of reinforcing ring 14 is correspondingly that circular, rectangular ring or track type are cyclic annular.It is above-mentioned not Same shape use and different types of sound-producing device.Those skilled in the art can select according to actual needs.

In one example, reinforcing ring 14 is made by permeability magnetic material.Optionally, permeability magnetic material be pure iron, mild steel, Silicon steel, permalloy, SPCC etc..In vibration, vibration component does of reciprocating vibration relative to equilbrium position.Equilbrium position is i.e. non- When vibrational state, position of the vibration component in magnetic circuit component.Vibration component is in the BL at the different displacement in equilbrium position Value is different, forms BL (x) curve, wherein B is the magnetic induction intensity in magnetic gap, and L is the effective length of voice coil 13, and x is vibration Displacement of the component apart from equilbrium position.BL (x) curves are better relative to the symmetry of equilbrium position, then harmonic distortion when vibrating Smaller, vibration is more stable, and sounding effect is better.The reinforcing ring 14 made of magnetic conductive material can significantly improve BL (x) curves Symmetry, reduce vibration when harmonic distortion, improve the vibrating effect of vibration component.

In other examples, reinforcing ring 14 is made by non-magnet material.For example, reinforcing ring 14 is closed by copper alloy, aluminium Gold or stainless steel are made.The structural strength of reinforcing ring 14 made of non-magnet material is high, this makes the knot of vibration component Structure is more secured.

In other examples, also it is bonded with DOME11 in the central part of vibrating diaphragm 12.DOME11 can improve the knot of vibrating diaphragm 12 Structure intensity to prevent vibrating diaphragm 12 from diaphagras occurs in vibration, and can increase the amplitude of vibrating diaphragm 12.

Fig. 2 is the partial sectional view of the sound-producing device of one embodiment according to the present utility model.

Sound-producing device is loudspeaker monomer or loud speaker module.As shown in Fig. 2, the sound-producing device include magnetic circuit component and Vibration component provided by the utility model.The free end of voice coil 13 and reinforcing ring 14 are inserted into the magnetic gap of magnetic circuit component.

For example, sound-producing device includes shell 15, vibration component and magnetic circuit component.Magnetic circuit component is located in shell 15.Vibration Component includes DOME11, vibrating diaphragm 12, voice coil 13 and reinforcing ring 14.DOME11 and voice coil 13 are bonded in the central part of vibrating diaphragm 12, And the two is located at the upper and lower both sides of central part.Reinforcing ring 14 is bonded in the free end of voice coil 13.The outside of vibrating diaphragm 12 Edge is bonded on shell 15, so that vibration component is suspended at the top of magnetic circuit component.

Magnetic circuit component includes magnetic-conductance portion 17, permanent magnet 16 and washer 18.Magnetic-conductance portion 17 is tabular, U iron or T iron.Forever Magnet 16 is ferrite lattice or ndfeb magnet etc..Permanent magnet 16 is bonded in magnetic-conductance portion 17.Washer 18 is bonded in On permanent magnet 16.Magnetic circuit component forms magnetic gap.The free end of voice coil 13 and positioned at free end reinforcing ring 14 be inserted into magnetic between In gap.

The sound-producing device has the characteristics that sounding effect is good.

Optionally, magnetic circuit component is single magnetic circuit system, three magnetic circuit systems or five magnetic circuit systems.

The permanent magnet 16 of single magnetic circuit system includes a magnet.Magnetic-conductance portion 17 is U iron.Permanent magnet 16 is column.Permanent magnet 16 are located at the middle part of U iron.Magnetic gap is formed between permanent magnet 16 and the side wall of U iron.It is also possible that conductor portion is T iron.Permanent magnetism Body 16 is ring-type.Permanent magnet 16 is set in the outside of the stem of T iron.Magnetic gap is formed between stem and permanent magnet 16.

The permanent magnet 16 of three magnetic circuit systems includes three magnet.Magnetic-conductance portion 17 is tabular.Three magnet are fixed on and lead In magnetic portion 17, wherein two side magnet are symmetrically disposed in the both sides of centring magnet.Between two side magnet and centring magnet Form magnetic gap.

The permanent magnet 16 of five magnetic circuit systems includes five magnet.Magnetic-conductance portion 17 is tabular.Five magnet are fixed on and lead In magnetic portion 17, wherein four side magnet are symmetrically disposed in around centring magnet two-by-two.In four side magnet and centring magnet Between form magnetic gap.

Certainly, the type of magnetic circuit system is not limited to the above embodiments, and those skilled in the art can set according to actual needs Set the type of magnetic circuit component.

Another embodiment according to the present utility model, provides a kind of electronic equipment.Electronic equipment be mobile phone, earphone, Tablet computer, laptop, smartwatch, intercom, game machine, VR equipment, AR equipment etc..The electronic equipment includes this reality With the sound-producing device of novel offer.

The sound-producing device has the characteristics that sound effect is good.

Although some specific embodiments of the utility model are described in detail by example, this field It is to be understood by the skilled artisans that above example merely to illustrate, 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 of, to above example It modifies.The scope of the utility model is defined by the following claims.

Claims (10)

1. a kind of vibration component for sound-producing device, which is characterized in that including：Vibrating diaphragm, voice coil and reinforcing ring, the voice coil quilt Central part in the vibrating diaphragm is set, and the cross-sectional shape of the reinforcing ring and the cross-sectional shape of the voice coil match, institute State the free end that reinforcing ring is fixed on the voice coil.

2. the vibration component according to claim 1 for sound-producing device, which is characterized in that the reinforcing ring passes through bonding Agent or double faced adhesive tape are bonded in the free end of the voice coil.

3. the vibration component according to claim 1 for sound-producing device, which is characterized in that the voice coil in it is circular, Rectangular ring or track type are cyclic annular, and the shape of the reinforcing ring and the shape of the voice coil match.

4. the vibration component according to claim 1 for sound-producing device, which is characterized in that the reinforcing ring is by magnetic conduction material Material is made.

5. the vibration component according to claim 1 for sound-producing device, which is characterized in that the reinforcing ring is by non-magnetic Material is made.

6. the vibration component according to claim 5 for sound-producing device, which is characterized in that the reinforcing ring is closed by copper Gold, aluminium alloy or stainless steel are made.

7. the vibration component according to claim 1 for sound-producing device, which is characterized in that the reinforcing ring is located at described The inside and or outside of free end.

8. a kind of sound-producing device, which is characterized in that including magnetic circuit component and shaking as described in any one in claim 1-7 Dynamic component, the free end of the voice coil and the reinforcing ring are inserted into the magnetic gap of the magnetic circuit component.

9. sound-producing device according to claim 8, which is characterized in that the magnetic circuit component is single magnetic circuit system, three magnetic circuits System or five magnetic circuit systems.

10. a kind of electronic equipment, which is characterized in that include the sound-producing device as described in claim 8 or 9.