CN206963064U - A kind of loudspeaker and electronic equipment - Google Patents
A kind of loudspeaker and electronic equipment Download PDFInfo
- Publication number
- CN206963064U CN206963064U CN201720659246.9U CN201720659246U CN206963064U CN 206963064 U CN206963064 U CN 206963064U CN 201720659246 U CN201720659246 U CN 201720659246U CN 206963064 U CN206963064 U CN 206963064U
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- CN
- China
- Prior art keywords
- center washer
- air slot
- loudspeaker
- washer
- center
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Abstract
A kind of loudspeaker and electronic equipment, including magnetic circuit system and vibrational system are the utility model is related to, the magnetic circuit system includes the center washer above centring magnet and centrally disposed magnet；The vibrational system includes vibration component and is connected to the voice coil loudspeaker voice coil of vibration component lower end, and the free end of the voice coil loudspeaker voice coil and the magnetic gap of magnetic circuit system are combined together；The upper surface of the center washer is provided with least one air slot for extending to center washer edge.Loudspeaker of the present utility model, due to being provided with insertion to the air slot at center washer edge in the upper surface of center washer, when vibration component occur larger displacement and center washer close to when, air between vibration component and center washer can quickly discharge by the air slot, so as to substantially reduce the damping that vibration component vibrates downwards, the uniformity and stability of loudspeaker are improved.
Description
Technical field
Sound-producing device field is the utility model is related to, more specifically, the utility model is related to a kind of loudspeaker；This practicality is new
Type further relates to a kind of electronic equipment.
Background technology
Loudspeaker is the important acoustic element in electronic equipment, and it is a kind of transducer for electric signal being changed into acoustical signal
Part.Loudspeaker monomer includes installation housing, and the magnetic circuit component being arranged in mounting shell body and vibration component etc..
With the miniaturization of electronic product, the installing space that system manufacturer leaves each part for is also less and less, and this is just
So that the volume of each part of loudspeaker module must be reduced.When the small volume of loudspeaker module, the cooperation between each part
It is more close, the especially cooperation between washer and the vibrating diaphragm for needing oscillation space.The voice coil loudspeaker voice coil of vibrating diaphragm lower end needs and magnetic circuit group
The magnetic gap of part is combined together, and under big voltage, the displacement that vibrating diaphragm occurs is larger, the gap very little between vibrating diaphragm and washer,
Plus the stop of voice coil loudspeaker voice coil, this small―gap suture easily produces larger acoustic resistance, that is to say, that and the damping that vibrating diaphragm vibrates downwards is larger,
Kms poor linearities, THD is higher, while easily produces noise, causes HOHD bad.
Utility model content
A purpose of the present utility model there is provided a kind of loudspeaker.
According to one side of the present utility model, there is provided a kind of loudspeaker, including magnetic circuit system and vibrational system, it is described
Magnetic circuit system includes the center washer above centring magnet and centrally disposed magnet；The vibrational system includes vibration component
And the voice coil loudspeaker voice coil of vibration component lower end is connected to, the free end of the voice coil loudspeaker voice coil and the magnetic gap of magnetic circuit system are combined together；
The upper surface of the center washer is provided with least one air slot for extending to center washer edge.
Alternatively, the air slot extends to the edge of center washer in the middle part of the washer of center.
Alternatively, the air slot is provided with two, and two air slots are by the middle part of center washer towards center washer
The edge extension of opposite sides.
Alternatively, the air slot is provided with three, and three air slots are by extending to center China in the middle part of the washer of center
The edge of department；It is in 120 ° of angles between adjacent two air slots.
Alternatively, the air slot is provided with four, and four air slots are by extending to center China in the middle part of the washer of center
The edge of department；It is in 90 ° of angles between adjacent two air slots.
Alternatively, the air slot is provided with a plurality of, and a plurality of air slot extends to it from a lateral edges of center washer
The edge of opposite side, and a plurality of air slot be arranged in parallel.
Alternatively, the depth of the air slot is not more than the 20% of center washer thickness.Alternatively, in the center washer
The edge of upper end is provided with the first chamfering structure.
Alternatively, the edge of the center washer lower end is provided with the second chamfering structure.
According to another aspect of the present utility model, a kind of electronic equipment is additionally provided, includes above-mentioned loudspeaker.
Loudspeaker of the present utility model, due to being provided with insertion leading to center washer edge in the upper surface of center washer
Air drain, when vibration component occur larger displacement and center washer close to when, air between vibration component and center washer can be with
Quickly discharged by the air slot, so as to substantially reduce the damping that vibration component vibrates downwards, improve the consistent of loudspeaker
Property and stability.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 is the profile of the utility model loudspeaker.
Fig. 2 is the top view of the utility model center washer.
Fig. 3 is the top view of another embodiment of the utility model center washer.
Fig. 4 is the top view of another embodiment of the utility model center washer.
Fig. 5 is the profile of the utility model center washer.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part 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.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
It should be noted that " upper end " or " upper surface " that occurs in this patent refers to close to one end of the vibrating diaphragm 4
Or end face；It is relative, " lower end " or " lower surface " occurred in this patent refer to close to one end of the centring magnet 2 or
Person end face.
The utility model provides a kind of loudspeaker, including magnetic circuit system and the vibration that is combined together with magnetic circuit system
System.Magnetic circuit system of the present utility model can be single magnetic structure, two magnetic route structure or well known to those skilled in the art
Three magnetic structures.In order to make it easy to understand, the utility model enters by taking single magnetic structure as an example to the technical solution of the utility model
Row description.
Single magnetic structure of the present utility model includes yoke 1 and the centring magnet 2 being arranged in yoke 1.The yoke 1
In " peviform ", it includes the magnetic conductive board positioned at bottom, and the side of sidewall portion positioned at magnetic conductive board marginal position.Side of sidewall portion and magnetic conductive board
Can be integrally formed, the two uses permeability magnetic material.For a person skilled in the art, the yoke generally use
Rectangle, such as rectangle structure or square structure.Side of sidewall portion is usually provided with four, is separately positioned on four of magnetic conductive board
Marginal position, leaving certain gaps uncovered by the economic plan between two neighboring side of sidewall portion, in order to passing for voice coil leads.
The centring magnet 2 is arranged on the center of magnetic conductive board so that the side wall of the centring magnet 2 and the four of yoke
The gap of similar annular is formed between individual side of sidewall portion.The upper end of centring magnet 2 can also set center washer 3, and this belongs to ability
The common knowledge of field technique personnel, is no longer illustrated herein.
The vibrational system includes vibration component and is connected to the voice coil loudspeaker voice coil 6 of vibration component lower end.In the utility model one
In individual specific embodiment, the vibration component can be made up of vibrating diaphragm 4 completely, and vibrating diaphragm 4 includes the connecting portion positioned at edge,
Positioned at the vibration section of medium position, and the ring portion between connecting portion and vibration section.The voice coil loudspeaker voice coil 6 is bonded in vibrating diaphragm 4
The lower end of vibration section.
In the utility model another specific embodiment, the vibration component includes vibrating diaphragm 4 and top dome 5.Institute
Stating top dome can directly be bonded on the vibration section of vibrating diaphragm 4；Can also be provided with and engrave in the vibration section position of the vibrating diaphragm 4
Hollow structure, the top dome 5 are bonded on vibrating diaphragm 4 and cover the engraved structure.The voice coil loudspeaker voice coil 6 is bonded in the lower end of top dome 5.
One end of voice coil loudspeaker voice coil 6 is bonded on vibration component, and the magnetic gap of the other end (free end) and magnetic circuit system coordinates one
Rise.With reference to the view direction of figure 1, the lower end of the voice coil loudspeaker voice coil 6 is extend into by centring magnet 2, center washer 3 and the side of sidewall portion of yoke 1
In the magnetic gap surrounded.Wherein, the upper surface of the center washer 3 is provided with least one and extends to the edge of center washer 3
Air slot 31.When vibration component occur larger displacement and center washer 3 close to when, between vibration component and center washer 3
Air can quickly discharge by the air slot 31, damped so as to substantially reduce when vibration component vibrates downwards, improve and raise
The uniformity and stability of sound device.
Air slot 31 of the present utility model can extend to the edge of center washer 3 from the medium position of center washer 3.This
The air slot 31 of utility model can be provided with one, two or more.Between a plurality of air slot 31 can uniformly or
It is unevenly distributed on center washer 3.The depth of air slot 31 determines according to the overall thickness of center washer 3, it is preferred that
The depth of air slot 31 is no more than the 20% of the thickness of center washer 3.At this in this case, the setting of air slot 31 is to the shadow in magnetic field
Sound is smaller, can ignore.In addition, air slot 31 is overall can to have homogeneous depth；Can also be that air slot 31 is close to center
The depth of the central area of washer 3 is more than its depth close to the fringe region of center washer 3.
In one specific embodiment of the utility model, with reference to figure 2, the air slot 31 can be provided with two,
Two air slots 31 are extended by the middle part of center washer 3 towards the edge of the opposite sides of center washer 3.Further preferred
It is that two air slots 31 intersect at the middle part of center washer 3 and form a groove 32.The groove 32 can also rounded, rectangle
Or ellipse, depth of the groove 32 on center washer 3 can also be more than air slot with the deep equality of air slot 31
31 depth.
In another preferred embodiment of the utility model, the air slot 31 is provided with three, three air slots
31 are extended to the edge of center washer 3 by the middle part of center washer 3；It is in 120 ° of angles between adjacent two air slots 31.
Air slot 31 of the present utility model can also be provided with four, with reference to figure 4.Four air slots 31 are by center washer
3 middle part extends to the edge of center washer 3；It is in 90 ° of angles between adjacent two air slots 31.
Using this structure of air slot 31 from the medium position of center washer 3 to its edge homogeneous radiation, vibration can be made
Air between component and center washer 3 equably exports, and this is advantageous to the stability of loudspeaker sounding, it also avoid noise
Produce.Every air slot 31 of the present utility model can also extend to the edge of its opposite side from a lateral edges of center washer 3,
Can be arranged in parallel between a plurality of air slot 31, no longer illustrate herein.
Center washer 3 of the present utility model, with reference to figure 5, the first chamfering structure 33 is preferably provided with the edge of its upper end,
So as to increase the distance between center washer 3 and the bonded adhesives of voice coil loudspeaker voice coil 6, the wiping under big voltage conditions is avoided to touch problem.Institute
The edge for stating the lower end of center washer 3 is also provided with the second chamfering structure 34, so as to prevent center washer 3 and center magnetic
Bonded adhesives between iron 2 is spilt in magnetic gap, avoids the excessive glue and problem is touched in the wiping of voice coil loudspeaker voice coil 6.
Loudspeaker of the present utility model may apply in each electronic equipment, therefore, the utility model additionally provides one kind
Electronic equipment, it includes above-mentioned loudspeaker.The electronic equipment can be the people in the art such as mobile phone, computer, player
Electronic equipment with vocal function known to member etc..
Although some specific embodiments of the present utility model are described in detail by example, this area
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
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
- A kind of 1. loudspeaker, it is characterised in that：Including magnetic circuit system and vibrational system, the magnetic circuit system includes centring magnet (2) the center washer (3) and above centrally disposed magnet (2)；The vibrational system includes vibration component and is connected to The voice coil loudspeaker voice coil (6) of vibration component lower end, the free end of the voice coil loudspeaker voice coil (6) and the magnetic gap of the magnetic circuit system are combined together； The upper surface of the center washer (3) is provided with least one air slot (31) for extending to center washer (3) edge.
- 2. loudspeaker according to claim 1, it is characterised in that：The air slot (31) is from the middle part of center washer (3) Extend to the edge of center washer (3).
- 3. loudspeaker according to claim 1 or 2, it is characterised in that：The air slot (31) is provided with two, this two Air slot (31) is extended by the middle part of the center washer (3) towards the edge of center washer (3) opposite sides.
- 4. loudspeaker according to claim 1 or 2, it is characterised in that：The air slot (31) is provided with three, this three Air slot (31) is by extending to the edge of the center washer (3) in the middle part of the center washer (3)；Adjacent two air slots (31) it is in 120 ° of angles between.
- 5. loudspeaker according to claim 1 or 2, it is characterised in that：The air slot (31) is provided with four, this four Air slot (31) is by extending to the edge of the center washer (3) in the middle part of the center washer (3)；Adjacent two air slots (31) it is in 90 ° of angles between.
- 6. loudspeaker according to claim 1, it is characterised in that：The air slot (31) is provided with a plurality of, and this is a plurality of to lead Air drain (31) extends to the edge of its opposite side from a lateral edges of the center washer (3), and a plurality of air slot (31) is flat Row is set.
- 7. loudspeaker according to claim 1, it is characterised in that：The depth of the air slot (31) is not more than the center The 20% of washer (3) thickness.
- 8. loudspeaker according to claim 1, it is characterised in that：It is provided with the edge of center washer (3) upper end First chamfering structure (33).
- 9. loudspeaker according to claim 1, it is characterised in that：It is provided with the edge of center washer (3) lower end Second chamfering structure (34).
- 10. a kind of electronic equipment, it is characterised in that：Include the loudspeaker according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720659246.9U CN206963064U (en) | 2017-06-08 | 2017-06-08 | A kind of loudspeaker and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720659246.9U CN206963064U (en) | 2017-06-08 | 2017-06-08 | A kind of loudspeaker and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206963064U true CN206963064U (en) | 2018-02-02 |
Family
ID=61379956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720659246.9U Active CN206963064U (en) | 2017-06-08 | 2017-06-08 | A kind of loudspeaker and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206963064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600882A (en) * | 2018-04-27 | 2018-09-28 | 歌尔股份有限公司 | Microphone |
| CN108632719A (en) * | 2018-04-28 | 2018-10-09 | 歌尔股份有限公司 | Lower magnetic conductive board and Microspeaker for Microspeaker |
-
2017
- 2017-06-08 CN CN201720659246.9U patent/CN206963064U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600882A (en) * | 2018-04-27 | 2018-09-28 | 歌尔股份有限公司 | Microphone |
| CN108600882B (en) * | 2018-04-27 | 2020-06-09 | 歌尔股份有限公司 | Microphone |
| CN108632719A (en) * | 2018-04-28 | 2018-10-09 | 歌尔股份有限公司 | Lower magnetic conductive board and Microspeaker for Microspeaker |
| CN108632719B (en) * | 2018-04-28 | 2021-05-18 | 歌尔股份有限公司 | Lower magnetic conductive plate for micro loudspeaker and micro loudspeaker |
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| GR01 | Patent grant |