CN208158862U - A kind of sounding device - Google Patents
A kind of sounding device Download PDFInfo
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- CN208158862U CN208158862U CN201820639943.2U CN201820639943U CN208158862U CN 208158862 U CN208158862 U CN 208158862U CN 201820639943 U CN201820639943 U CN 201820639943U CN 208158862 U CN208158862 U CN 208158862U
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- support member
- sounding device
- voice coil
- magnetic portion
- straight flange
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Abstract
The utility model discloses a kind of sounding devices.The sounding device is in rectangular configuration, including：Magnetic circuit system, the magnetic circuit system includes center magnetic portion and side magnetic portion, center magnetic portion has two opposite the first long sides and two opposite the second long sides, the end close to each other of first long side and second long side has the first short straight flange, and side magnetic portion is looped around around center magnetic portion；Vibration component, the vibration component include voice coil, vibrating diaphragm and support member；The voice coil is surrounded on around center magnetic portion, the voice coil includes two opposite third long sides and two opposite the 4th long sides, and the third long side and the end close to each other of the 4th long side have the second short straight flange corresponding with the described first short straight flange；The vibrating diaphragm is connected on a side end face of the voice coil, and the support member is connected to the other side of the voice coil, and the inner end of the support member is connected on the described second short straight flange.
Description
Technical field
The utility model belongs to electroacoustic transduction technical field, and in particular, to a kind of sounding device.
Background technique
The technology of consumer electronics product is quickly grown in recent years, and smart phone, tablet computer, virtual reality device etc. are
It is widely used in daily life.Related accessory in electronic product is also required to gradually improve, update, to meet consumption
Performance requirement of the person to electronic product.
Sounding device is electroacoustic converting member important in electronic product, for voice signal to be converted into sound.It is used
In components such as loudspeaker, earpiece, the earphones for constituting electronic product.Wherein, moving-coil type sounding device is extensive in electronic product
A kind of specific sounding device structure of application, can adapt to the various sounding demands of electronic product.
As the technology of electronic product develops, gradually start to improve sounding device using intelligent power amplifier schema
Output power.Correspondingly, sounding device can generate bigger amplitude under specific applicable cases, and sound output is stronger.
But existing moving-coil type sounding device is after greatly improving amplitude, it may appear that serious polarization waves phenomenon.This polarization is existing
It collides between other stationary parts in the vibration components and sounding device such as voice coil, vibrating diaphragm as on the one hand will cause；It is another
Aspect will cause sound performance decline, the Dysacousia of electronic product.
Therefore, it is necessary to improve to moving-coil type sounding device, reduce polarization problem, or improve sound performance.
Utility model content
One purpose of the utility model is to provide a kind of new solution of sounding device.
According to the present utility model in a first aspect, providing a kind of sounding device, the sounding device is in rectangular configuration, packet
It includes：
Magnetic circuit system, the magnetic circuit system include center magnetic portion and side magnetic portion, and center magnetic portion has opposite two
First long side and two opposite the second long sides, the end close to each other of first long side and second long side have the
One short straight flange, side magnetic portion are looped around around center magnetic portion；
Vibration component, the vibration component include voice coil, vibrating diaphragm and support member；
The voice coil is surrounded on around center magnetic portion, and the voice coil includes opposite two third long sides and opposite
The end close to each other of two the 4th long sides, the third long side and the 4th long side has and the described first short straight flange phase
Corresponding second short straight flange；
The vibrating diaphragm is connected on a side end face of the voice coil, and the support member is connected to the another of the voice coil
Side, the inner end of the support member are connected on the described second short straight flange.
Optionally, the inner end of the support member is fixed on the end face of the described second short straight flange；
Alternatively, the inner end of the support member is fixed on the side wall of the described second short straight flange.
Optionally, the support member further includes outer end for fixing, and is connected to the inner end and the outer end
Between elastic portion.
Optionally, the elastic portion is the arc convex structure of sheet, the protrusion direction direction of the arc convex structure
The vibrating diaphragm or the separate vibrating diaphragm.
Optionally, the elastic portion is the wavy shaped configuration of sheet；
Alternatively, the elastic portion is the strip structure that S-shaped bending extends.
Optionally, in sounding device setting there are four the support member, four support members respectively with four the
Two short straight flanges correspond.
Optionally, the inner end of the adjacent support member is connected with each other, and four support members constitute cyclic structure.
Optionally, the magnet when magnetic portion includes four blocks, has between the end of the side magnet of adjacent two blocks and lacks
Oral area, the support member are placed in the notch section, and the end corresponding to the notch section of the side magnet, which is equipped with, cuts
Side.
Optionally, the trimming of the notch section two sides is parallel to each other.
Optionally, the outer end of the support member is fixed on magnetic circuit system；
Alternatively, the sounding device further includes shell, the magnetic circuit system and vibration component receiving are fixed on the shell
Interior, the outer end of the support member is fixed on the housing.
Optionally, the support member be equipped with circuit layer；
Alternatively, the support member is made of conductive material；
The inner end of the support member is electrically connected with the voice coil, and the outer end of the support member is connect with external circuit.
Optionally, center magnetic portion is 0.2- with the spacing distance of the voice coil at the described first short straight flange
0.25mm。
Optionally, the magnetic circuit system includes lower magnetic conductive board, and center magnetic portion and side magnetic portion are located at the lower magnetic conductive board
Top, recessed portion is formed on the lower magnetic conductive board, and the support member is located above the recessed portion.
According to one embodiment of the disclosure, the polarization generated when can reduce vibration component operation.
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 explosive view for the sounding device that specific embodiment of the present invention provides；
Fig. 2 is the explosive view of the section components for the sounding device that specific embodiment of the present invention provides；
Fig. 3 is the fragmentary side cross-sectional view for the sounding device that specific embodiment of the present invention provides；
Fig. 4 is the top view of the section components for the sounding device that specific embodiment of the present invention provides；
Fig. 5 is the explosive view of the section components for the sounding device that specific embodiment of the present invention provides.
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 sounding device, which uses moving-coil type vibration sounding structure.Such as Fig. 1 institute
Show, the sounding device is in rectangular configuration, and the sounding device includes magnetic circuit system and vibration component.
The magnetic circuit system is used to provide the magnetic force as vibratory drive power for vibration component, and which includes centers
Magnetic portion 11 and side magnetic portion 12.As shown in Fig. 2, side magnetic portion 12 is looped around around center magnetic portion 11, center magnetic portion 11 with
It includes voice coil 21, vibrating diaphragm 22 and support member 23 that vibration component described in magnetic gap is formed between side magnetic portion 12.The voice coil 21
In can be passed through voice signal, voice coil 21 can by the driving for the electronic action power that magnetic circuit system generates in magnetic gap, into
And generate vibration.The voice coil 21 is surrounded on the inside for around center magnetic portion 11 and being located at side magnetic portion 12.
Whole center magnetic portion 11 is in class rectangle structure, and center magnetic portion 11 is with two opposite the first long sides and relatively
Two the second long sides, the end close to each other of first long side and second long side has the first short straight flange 111, such as
Shown in Fig. 2.The first short straight flange 111 to form short straight flange on the edge in center magnetic portion 11.Shape in center magnetic portion 11
At short straight flange the clearance space between center magnetic portion 11 and side magnetic portion 12 is increased.Correspondingly, the voice coil 21 is whole is in
Class rectangle structure, as shown in Fig. 2, voice coil 21 includes two opposite third long sides and two opposite the 4th long sides, described
Three long sides and the end close to each other of the 4th long side have the second short straight flange corresponding with the described first short straight flange
211.With the second short straight flange 211 corresponding with the first of center magnetic portion 11 the short 111 position of straight flange, shape.The sound
Circle 21 and the global shape in center magnetic portion 11 match, so that the active force from center magnetic portion 11 suffered by voice coil 21 is more equal
It is even, play the role of inhibiting polarization.
Further, the vibrating diaphragm 22 is connected on a side end face of the voice coil 21, and vibrating diaphragm 22 can also be filled with sounding
The other components set form connection, so that voice coil 21 is suspended from sounding device.The support member 23 is then connected to the sound
The other side of circle 21, as shown in Figure 3.The inner end 231 of the support member is connected on the described second short straight flange 211.The branch
Support part part 23 plays the role of support, positioning to voice coil 21 in the downside of voice coil 21, and then inhibits voice coil 21 when the vibrations are up and down
Issuable polarization.
Particularly, the quantity of the support member is less than or equal to the quantity for the first short straight flange having in center magnetic portion.Institute
Support member is stated to be connected on the second short straight flange 211 of voice coil.The second linear structure of short straight flange 211 on voice coil, for branch
The connection of support part part provides more, more stable connection area.The support member is connected to the second short straight flange 211 of voice coil
On can be improved the connection reliability of itself and voice coil, thus further increase support member to the support of voice coil, inhibit to polarize
Effect.
The utility model forms short straight flange in the magnetic portion of center, and configures the voice coil that shape matches therewith.Further
Ground, setting are connected to the support member at the second short straight flange of voice coil.By improving above, from magnetic circuit, voice coil and support portion
The comprehensive vibration environment for improving voice coil of structure of part etc., so that it is issuable under large amplitude working environment to weaken voice coil
It polarizes, wave phenomenon.On the other hand, pass through the above-mentioned improvement project for polarization problem, additionally it is possible to improve the sound of sounding device
Learn performance.Center magnetic portion with the first short straight flange is relative to traditional center magnetic portion, with the clearance space between the magnetic portion of side
It is bigger.The design feature increases magnetic circuit space, to reduce the resistance of speaking of magnetic circuit, improve sounding device Q value (quality because
Son), improve acoustical behavior.
The utility model does not limit the type of attachment for being connected to the second short straight flange of the inner end of support member.It is optional
Ground, the inner end can be fixed on the end face of the described second short straight flange；Alternatively, the side of the described second short straight flange can be fixed on
On wall.
Optionally, the support member further includes the outer end for being fixed in sounding device, the outer end and inner end it
Between be also connected with elastic portion.The elastic portion has certain elastic deformability, and when voice coil operational vibration, the elastic portion exists
Elastic connection between the outer end and inner end of support member, enables outer end with voice coil vibrations.
Optionally, for the planform of elastic portion, the utility model provides several optional embodiments.One kind can
Selecting mode is that the elastic portion is the strip structure that S-type bending extends.The strip structure of S type is capable of providing bigger floating
Space, it is relatively small for the traction force of voice coil.
The elastic portion can also be the sheet arc convex structure extended from the outer end of support member to inner end 231, such as
Fig. 1, shown in 3, which is similar to the ring structure of vibrating diaphragm.The protrusion direction of the sheet arc convex structure can be direction
The direction of the vibrating diaphragm is also possible to the direction departing from vibrating diaphragm.The elastic portion of this embodiment is capable of providing bigger lead
Draw active force, plays the role of certain restrictions to the vibration of float portion and voice coil.Moreover, being more convenient in this elastic portion lays electricity
Road.
Optionally, the elastic portion can also be the wavy shaped configuration of the sheet extended from outer end to inner end.Its structure shape
Formula is similar to continuous ring and reflexed ring structure on vibrating diaphragm.
Optionally, in a kind of embodiment of the utility model, there is a pair or two pair first in center magnetic portion
Short straight flange.Two the first short straight flanges in each pair of first short straight flange are centrosymmetric point relative to the center in center magnetic portion
Cloth.In the embodiment shown in Fig. 1,2, two pair first short straight flange 111 is all had in center magnetic portion 11.It is centrosymmetric
The magnetic field that the short straight flange 111 of a pair first of distribution can be such that center magnetic portion 11 is formed is more evenly.Moreover, voice coil is that first is short straight
It is formed with the second short straight flange 211 at the corresponding position in side 111, the second short straight flange 211 is centrosymmetric point also relative to voice coil
Cloth, the weight of voice coil itself more evenly, balance.
The utility model is not intended to limit during the first short straight flange having in center magnetic portion must be in pairs of form
The heart is symmetrical.The advantages of above-mentioned optional embodiment, is that the magnetic field generated is symmetrical, uniform, and voice coil more balances.But according to
The difference of practical situations, can be center magnetic portion has the first short straight flange at an arbitrary position.For example, the one of center magnetic portion
At side edge, there are two the first relatively close short straight flanges for setting, and it is short straight not have first then in the other side in center magnetic portion
Side.The application environment that this design method can cope with voice coil itself is easy to produce polarization in some specific region, and passes through this
Kind design method inhibits the polarization phenomena of the specific region.The first short straight flange can also be with other positions formal distribution in
In heart magnetic portion, the utility model is limited not to this.
In a kind of optional embodiment, as shown in Fig. 1,2,4, center magnetic portion 11 is in class rectangle structure, described
First short straight flange 111 is located at the corner location in center magnetic portion 11.Correspondingly, the voice coil 21 is also in class rectangle structure.?
In the utility model, the class rectangle structure refers to center magnetic portion 11, the plan structure of voice coil 21 is in be similar to rectangular shape, only
In fraction region due to having the first short straight flange 211 of short straight flange 111 or the second, to constitute and the slightly different part of rectangle
Features of shape.Such as center magnetic shown in Fig. 2 portion 11, in center magnetic portion 11 there are four tools, two pair first short straight flange 111, bow
It is in octagonal depending on shape, four right angles corner of rectangle is removed, formd shorter, inclined by the first short straight flange 111
Short straight flange.The utility model, which is not intended to limit in center magnetic portion, has the several first short straight flanges, can be two or one etc..
In another optional embodiment, center magnetic portion is in class square structure, the first short straight flange position
Corner location in center magnetic portion.Correspondingly, voice coil is also at class square structure.The class rectangle structure refers to center magnetic portion, sound
The plan structure of circle is in be similar to square shape.It can have two pairs of first short straight flanges in center magnetic portion, i.e.,
Four corner locations in center magnetic portion all have the first short straight flange, and each first short straight flange is relative to center magnetic portion
Center is distributed in rotational symmetry.
In a preferred embodiment, what the quantity of the support member and center magnetic portion had is first short straight
The quantity on side is identical.Correspondingly, a support member each is connected on the second short straight flange corresponding with the first short straight flange.
In this embodiment, it takes full advantage of and corresponds to the second short straight flange that the first short straight flange in center magnetic portion is formed on voice coil.Institute
Sufficient connection space can be provided for support member by stating the second short straight flange, and a support portion is connected on each second short straight flange
Part, and then voice coil is formed on the whole using support member and is supported.Fig. 1,5 show this embodiment, the voice coil 21
The second short straight flange 211 is formed in four corner locations, and each second short straight flange 211 is interior with support member 23
End 231 is connected.Equally distributed four support members 23 can hold up voice coil 21, thus may when voice coil 21 being inhibited to work
The polarization phenomena of generation.
Preferably, the inner end 231 of two adjacent support members is connected with each other.In this way, four support members
Inner end 231 between be mutually sequentially connected with, so that four support members is constituted cyclic structures.The inner end 231 to link together can be with
Entirety is attached on the voice coil, strengthens supporting role of the support member to voice coil.
The utility model is not intended to limit the second short straight flange of the first short straight flange and voice coil corresponding to each center magnetic portion
Configure a support member.In a practical case, for example, if voice coil only needs to inhibit polarization in regional area,
Then only can connect support member on the second short straight flange in this region, or only the region and with the symmetrical area in the region
Support member is connected on the second short straight flange in domain.
Further, the first short straight design that the utility model also passes through center magnetic portion improves voice coil and center magnetic portion
Localised spacer distance.Preferably, center magnetic portion is with the spacing distance of the voice coil at the described first short straight flange
0.2-0.25mm.By designing the first short straight flange, the spacing between voice coil and center magnetic portion can be made relative to existing sounding
Device suitably increases.In this way, on the one hand reducing a possibility that colliding between voice coil and center magnetic portion；It on the other hand, can be with
Reduce the resistance of speaking in magnetic circuit system, improves the acoustical behavior of sounding device, propose high q-factor.
Optionally, the magnetic circuit system can also include lower magnetic conductive board, and the lower magnetic conductive board can be to center magnetic portion and side
Polymerization, gathering are played the role of in the magnetic field that magnetic portion generates, to enhance the intensity of the magnetic gap between center magnetic portion and side magnetic portion
And uniformity coefficient.Center magnetic portion and side magnetic portion are arranged above the lower magnetic conductive board.Preferably, as shown in Fig. 1,3,4, institute
Stating could be formed with recessed portion 131 on lower magnetic conductive board 13, the recessed portion 131 is located at the lower section of the support member 23.It is described
Recessed portion 131 driven for avoiding the support member 23, when voice coil 21 being avoided to vibrate support member 23 collide it is described under lead
On magnetic sheet 13.The recessed portion 131 can also be evenly distributed on for being formed at the position for being provided with support member 23
The position of support member 23 may be set.The utility model not to the position of the recessed portion 131 on lower magnetic conductive board 13, quantity into
Row limitation.It can be configured according to the topology requirement of actual product.Further, it is recessed by being formed on lower magnetic conductive board
Portion, additionally it is possible to increase the space in magnetic circuit system, to reduce the resistance of speaking of magnetic circuit system, improve the Q value of sounding device, change
Kind acoustical behavior.
Preferably, notch section is formed in side magnetic portion, the notch section is formed in short straight with center magnetic portion
At the corresponding position in side.The notch section extends to the periphery from the inside in side magnetic portion.In the embodiment as shown in Fig. 1,2,4
In, the magnet when magnetic portion 12 includes four blocks.The space reserved between the end of two blocks of adjacent side magnet is notch section
121.Trimming is equipped at the end position corresponding to the notch section of the side magnet, as shown in Figure 2.Optionally, described to lack
The trimming of oral area two sides is parallel to each other, and the extending direction of the trimming is preferably similar to perpendicular to the described first short 111 He of straight flange
Second short straight flange 211.This design method can more effectively make notch section 121 accommodate the support member 23.
In other embodiments, side magnetic portion is also possible to whole one piece of cricoid magnetic conductive part, in correspondence
Groove is opened up in the position of the short straight flange in center magnetic portion 11, constitutes the notch section.The utility model is not to side magnetic portion
Specific constructive form and the generation type of notch section are limited.On the one hand the notch section can reserve enough for support member
Installation space, prevent from mutually colliding between support member and side magnetic portion, or squeeze other side assembly space.On the other hand,
Notch section increases the space in magnetic circuit system, can be effectively reduced the resistance of speaking in magnetic circuit system.Particularly, work as notch section
From when magnetic portion periphery, the effect for reducing resistance of speaking is most obvious when extending on the inside of magnetic portion.
Optionally, as shown in Figure 1,3, the vibrating diaphragm 22 has central part and ring portion, and the ring portion is looped around described
Around central part, the voice coil 21 is connected on the central part.When voice coil 21 vibrates, the central part is with voice coil 21
Vibrate together, and ring portion then deforms, centered on and voice coil 21 condition of vibration is provided.The support member 23 then has
There are inner end 231 and short ring, the inner end 231 is connect with the voice coil 21, and the short ring is then located at the outer of the voice coil 21
Side.The inner end 231 of the support member 23 vibrates together with voice coil 21, and short ring can be then deformed, and plays to voice coil 21
The effect of connection and support.The outer end of the vibrating diaphragm 22 and support member 23 can be fixedly connected on other in sounding device
On component.
Optionally, the magnetic circuit system is fixed in the sounding device, can be used for carrying the vibrating diaphragm and
Support member.The outer end of the support member can be fixed on the magnetic circuit system.For example, the outer end of support portion is connected to side
On the inward flange of magnetic circuit.
In a preferred embodiment, the vibration component further includes centring disk, as shown in figure 5, the centering
Branch piece has inner ring and outer ring interconnected, and the inner ring can float up and down deformation relative to outer ring.The inner ring and institute
It states voice coil 21 and forms connection, the outer ring then forms a fixed connection with other components on sounding device.The centring disk energy
It is enough to provide support, balance vibration, the effect for guiding direction of vibration to voice coil 21.The centring disk and support member 23 are common right
Voice coil 21 plays the role of inhibiting polarization, can more effectively avoid voice coil 21 that polarization occurs under large amplitude operating condition, shakes
Pendulum.
Optionally, the magnetic circuit system can also include center magnetic conductive board and side magnetic conductive board.The center magnetic conductive board lid is set
It is described when magnetic conductive board then covers and is located at described in magnetic portion in center magnetic portion.Center magnetic conductive board and side magnetic conductive board can be right
Polymerization, gathering are played the role of in the magnetic field of magnetic circuit system, improve the intensity and uniformity coefficient in the magnetic field in magnetic gap.Preferably,
The center magnetic conductive board and while magnetic conductive board shape can respectively with center magnetic portion and while the shape in magnetic portion it is consistent.It is set by this
Meter, the polarization that can effectively avoid voice coil and magnetic circuit system from colliding, weaken voice coil generation, the acoustic resistance out for reducing magnetic circuit system
Power.
In addition, the utility model is not intended to limit the specific generation type in center magnetic portion and side magnetic portion.For example, in Fig. 1
Shown in embodiment, center magnetic portion 11 can be one block of centring magnet, the magnet when magnetic portion 12 then can be four blocks.
In other embodiments, center magnetic portion can be one block of centring magnet, side magnetic portion then can from from lower magnetic conductive board to
On the side wall that is bent to form constitute；Alternatively, center magnetic portion is formed by one block of T shape magnet, side magnetic portion is then by being set in T shape magnetic
Annular magnetic conductive part on iron is constituted.
Optionally, the sounding device can also include shell 3, as shown in Figure 1,3.The shell 3 is configurable for
Carry the vibration component and magnetic circuit system.The magnetic circuit system, which can be fixed, to be erected on the shell 3, the vibrating diaphragm 22
Peripheral edge is then fixedly connected on the shell 3.Further, the outer end of the support member can also be fixedly connected on institute
It states on shell 3.
Optionally, the support member can also cooperate for completing being electrically connected for voice coil and external circuit.For example, described
Circuit layer can be set in support member；Alternatively, the support member directly can have conductive material to be made.The voice coil is then
It is formed and is electrically connected with the inner end of the support member, the outer end of the support member is then electrically connected with external circuit formation.
A kind of optional embodiment is that the support member is made of flexible circuit board.The voice coil passes through extraction
Pad solder connection on the inner end of lead end and support member.The pad of the outer end of support member then be arranged on sounding device
Outer pad electrical connection.
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 (13)
1. a kind of sounding device, the sounding device is in rectangular configuration, which is characterized in that including：
Magnetic circuit system, the magnetic circuit system include center magnetic portion and side magnetic portion, and center magnetic portion has opposite two first
The end close to each other of long side and two opposite the second long sides, first long side and second long side is short with first
Straight flange, side magnetic portion are looped around around center magnetic portion；
Vibration component, the vibration component include voice coil, vibrating diaphragm and support member；
The voice coil is surrounded on around center magnetic portion, and the voice coil includes opposite two third long sides and opposite two
4th long side, the third long side have corresponding with the described first short straight flange with the end close to each other of the 4th long side
The second short straight flange；
The vibrating diaphragm is connected on a side end face of the voice coil, and the support member is connected to the other side of the voice coil, institute
The inner end for stating support member is connected on the described second short straight flange.
2. sounding device according to claim 1, which is characterized in that the inner end of the support member is fixed on described second
On the end face of short straight flange；
Alternatively, the inner end of the support member is fixed on the side wall of the described second short straight flange.
3. sounding device according to claim 2, which is characterized in that the support member further includes for fixing outer
End, and the elastic portion being connected between the inner end and the outer end.
4. sounding device according to claim 3, which is characterized in that the elastic portion is the arc convex structure of sheet,
The protrusion direction of the arc convex structure is towards the vibrating diaphragm or far from the vibrating diaphragm.
5. sounding device according to claim 3, which is characterized in that the elastic portion is the wavy shaped configuration of sheet；
Alternatively, the elastic portion is the strip structure that S-shaped bending extends.
6. sounding device according to claim 2, which is characterized in that there are four the support portions for setting in sounding device
Part, four support members are corresponded with four the second short straight flanges respectively.
7. sounding device according to claim 6, which is characterized in that the inner end of the adjacent support member mutually interconnects
It connects, four support members constitute cyclic structure.
8. sounding device according to claim 1, which is characterized in that the magnet when magnetic portion includes four blocks is adjacent
There is notch section, the support member is placed in the notch section, the side magnet between the end of two blocks of side magnet
The end corresponding to the notch section be equipped with trimming.
9. sounding device according to claim 8, which is characterized in that the trimming of the notch section two sides is parallel to each other.
10. sounding device according to claim 3, which is characterized in that the outer end of the support member is fixed on magnetic circuit system
On system；
Alternatively, the sounding device further includes shell, the magnetic circuit system and vibration component receiving are fixed in the shell, institute
The outer end for stating support member is fixed on the housing.
11. sounding device according to claim 3, which is characterized in that the support member is equipped with circuit layer；
Alternatively, the support member is made of conductive material；
The inner end of the support member is electrically connected with the voice coil, and the outer end of the support member is connect with external circuit.
12. sounding device according to claim 1, which is characterized in that center magnetic portion is at the described first short straight flange
Spacing distance with the voice coil is 0.2-0.25mm.
13. sounding device according to claim 1, which is characterized in that the magnetic circuit system includes lower magnetic conductive board, it is described in
Heart magnetic portion and side magnetic portion are located above the lower magnetic conductive board, are formed with recessed portion, the support member position on the lower magnetic conductive board
Above the recessed portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639943.2U CN208158862U (en) | 2018-04-28 | 2018-04-28 | A kind of sounding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820639943.2U CN208158862U (en) | 2018-04-28 | 2018-04-28 | A kind of sounding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540908A (en) * | 2018-04-28 | 2018-09-14 | 歌尔股份有限公司 | A kind of sound-producing device |
| WO2021000143A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration exciter |
-
2018
- 2018-04-28 CN CN201820639943.2U patent/CN208158862U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108540908A (en) * | 2018-04-28 | 2018-09-14 | 歌尔股份有限公司 | A kind of sound-producing device |
| CN108540908B (en) * | 2018-04-28 | 2023-12-22 | 歌尔股份有限公司 | Sounding device |
| WO2021000143A1 (en) * | 2019-06-30 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration exciter |
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