CN207070343U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN207070343U CN207070343U CN201720873256.2U CN201720873256U CN207070343U CN 207070343 U CN207070343 U CN 207070343U CN 201720873256 U CN201720873256 U CN 201720873256U CN 207070343 U CN207070343 U CN 207070343U
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- China
- Prior art keywords
- magnet
- voice coil
- loudspeaker
- width
- length
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
It the utility model is related to a kind of loudspeaker, including vibrational system (12) and magnetic circuit system (11), magnetic circuit system (11) includes conductive magnetic yoke (2), the magnet (3) in conductive magnetic yoke and the washer (5) for being incorporated into magnet surface；Vibrational system (12) includes vibrating diaphragm (8) and the voice coil loudspeaker voice coil (7) being connected with vibrating diaphragm (8)；The lead (71) that voice coil loudspeaker voice coil (7) includes the voice coil loudspeaker voice coil body of annular and drawn from the same side of the voice coil loudspeaker voice coil body；Voice coil loudspeaker voice coil body includes the outlet side (711) and the free side relative with outlet side (712) positioned at lead extraction location；The magnetic field intensity that magnetic circuit system (11) corresponds to the part of outlet side (711) is more than the magnetic field intensity that magnetic circuit system corresponds to the part of free side (712).Loudspeaker of the present utility model solves polarization problem, further increases the acoustical behavior of loudspeaker.
Description
Technical field
Acoustic element is the utility model is related to, more specifically, the utility model is related to loudspeaker.
Background technology
At present, hanging lead is provided with the loudspeaker of most of acoustical devices, to connect external circuit by lead.And
In such product, due to setting lead, in vibration processes, lead can produce draw to product.In common loudspeaker
In, magnetic circuit part uses symmetric design, and the active force that such vibrational system is provided by magnetic circuit is symmetrical, but the traction of lead
The power that power causes product lead side to be subject to non-lead side is inconsistent, and product easily polarizes.
Utility model content
A purpose of the present utility model is the polarization problem for solving loudspeaker.
According to one side of the present utility model, there is provided a kind of loudspeaker, it is characterised in that including vibrational system and magnetic circuit
System, the magnetic circuit system include conductive magnetic yoke, the magnet in the conductive magnetic yoke and are incorporated into the magnet surface
Washer；The vibrational system includes vibrating diaphragm and the voice coil loudspeaker voice coil being connected with the vibrating diaphragm, wherein, the voice coil loudspeaker voice coil includes annular
Voice coil loudspeaker voice coil body and the lead drawn from the same side of the voice coil loudspeaker voice coil body；The voice coil loudspeaker voice coil body includes drawing positioned at the lead
The outlet side of position and the free side relative with the outlet side；The magnetic circuit system corresponds to the part of the outlet side
Magnetic field intensity is more than the magnetic field intensity that the magnetic circuit system corresponds to the part of the free side.
Preferably, the magnet when the magnet opposite sides is provided with first in magnet and second.
Preferably, the lead is drawn from the gap between the first side magnet and magnet；Wherein, first side magnet with
Magnetic field intensity between magnet is more than the magnetic field intensity between second side magnet and magnet.
Preferably, the size corresponding to the magnetic circuit component of the outlet side is more than the magnetic circuit component corresponding to the free side
Size.
Preferably, the conductive magnetic yoke corresponds to corresponding to the length or width or thickness of the part of the outlet side more than it
The length or width or thickness of the part of the free side.
Preferably, the magnet corresponds to institute corresponding to the length or width or thickness of the part of the outlet side more than it
State the length or width or thickness of the part of free side.
Preferably, the washer corresponds to institute corresponding to the length or width or thickness of the part of the outlet side more than it
State the length or width or thickness of the part of free side.
Preferably, the length and/or width and/or thickness of the conductive magnetic yoke and/or the magnet and/or the washer from
Increase gradually to one end corresponding to the outlet side corresponding to one end of the free side.
Preferably, described first when being combined with first on magnet washer, described second when being combined with second on magnet
Washer；Described first while magnet and/or it is described first while washer length and/or width and/or height be more than second side
The length and/or width and/or height of magnet and/or second side washer.
Preferably, in addition to be looped around around the magnet the 3rd in magnet and the 4th magnet.
Preferably, the lead is a pair vacantly set.
One of the present utility model has technical effect that, by adjusting the vibration balancing of lead side and non-lead side, improves
Product polarization problem, further increase the acoustical behavior of loudspeaker.
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 schematic diagram under loudspeaker decomposing state of the present utility model.
Fig. 2 is the sectional view of loudspeaker of the present utility model.
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 refer to shown in Fig. 1 and Fig. 2, loudspeaker of the present utility model, including vibrational system 12 and magnetic circuit system 11.
Wherein, magnetic circuit system 11 includes conductive magnetic yoke 2, the magnet 3 in conductive magnetic yoke and is incorporated into magnet surface
Washer 5.Formed with magnetic field between conductive magnetic yoke 2, magnet 3 and washer 5, specifically, shape between the side wall of conductive magnetic yoke 2 and magnet 3
Into magnetic gap.
Vibrational system 12 includes vibrating diaphragm 8 and the voice coil loudspeaker voice coil 7 being connected with vibrating diaphragm 8.Voice coil loudspeaker voice coil 7 is according to the friendship by its coil
The size and Orientation of stream electricity does the motion of the reciprocating cutting magnetic line of force in the magnetic gap of magnetic circuit system 11, drives vibrating diaphragm 8 to vibrate, so as to
Air sounding is instigated, completes the energy conversion between electroacoustic.
The lead 71 that voice coil loudspeaker voice coil 7 includes the voice coil loudspeaker voice coil body of annular and drawn from the same side of the voice coil loudspeaker voice coil body, lead 71
For a pair vacantly set.Voice coil loudspeaker voice coil body include positioned at lead extraction location outlet side 711 and it is relative with outlet side from
By side 712.
In vibration, because lead 71 is connected on voice coil loudspeaker voice coil 7, therefore, voice coil loudspeaker voice coil is led in outlet side 711 by with lead 71
The effect of gravitation, the amplitude of this side can be smaller；And on the contrary, voice coil loudspeaker voice coil 7 is not towed power effect in free side 712, amplitude can be larger,
The imbalance of amplitude can cause product polarization problem.
The magnetic field intensity that magnetic circuit system 11 is corresponded to the part of outlet side 711 is designed to correspond to free side more than it
The magnetic field intensity of 712 part；Magnetic Circuit Design so, can increase magnetic circuit system and be provided in outlet side 711 into unsymmetric structure
Active force, increase the amplitude of outlet side 711, so as to adjust the vibration balancing of outlet side 711 and free side 712, improve polarization
Problem, so as to improve the acoustical behavior of loudspeaker.
Preferably, conductive magnetic yoke 2, magnet 3 and washer 5 can be more than it corresponding to the size of the part of outlet side and correspond to certainly
By the size of the part of side, so that the magnetic field intensity of outlet side is more than the magnetic field intensity of free side.
It is possible to further select using following several design methods, to make the magnetic field intensity of outlet side be more than free side
Magnetic field intensity, it is not limited to following manner.For example, conductive magnetic yoke 2 is corresponded to the length or width of the part of outlet side
Or thickness is designed to that being more than it corresponds to the length or width or thickness of the part of free side.Or magnet 3 is corresponded to and drawn
The length or width or thickness of the part of side are designed to that being more than it corresponds to the length or width or thickness of the part of free side.Again
Or washer 5 is designed to that being more than its corresponds to the portion of free side corresponding to the length or width or thickness of the part of outlet side
The length or width or thickness divided.
It is further preferred that the change of conductive magnetic yoke 2, magnet 3 and washer 5 in size (length or width or thickness), is
Gradually increase from the part corresponding to free side to the part corresponding to outlet side.
It should be noted that can be directed to it is at least one in conductive magnetic yoke 2, magnet 3, washer 5 these three magnetic circuit components, will
Its length and/or width and/or height are designed as asymmetry, are three kinds of magnetic circuit components and three kinds of specific dimensional parameters
Any combination.
It refer to shown in Fig. 1 and Fig. 2, in another embodiment, the He of the first side magnet 41 be provided with the opposite sides of magnet 3
Second side magnet 42.Lead 71 passes from the gap between the first side magnet 41 and magnet 3, and extends to the second side magnet 42
Position.
Wherein, when the first magnetic field intensity between magnet 41 and magnet 3 is more than second between magnet 42 and centring magnet 3
Magnetic field intensity.Similarly, magnetic Circuit Design is increased active force of the magnetic circuit system 11 in outlet side 711, entered into unsymmetric structure
And the amplitude of outlet side 711 is increased, so as to adjust the vibration balancing of outlet side 711 and free side 712, improve product polarization
Problem, so as to improve the acoustical behavior of loudspeaker.
Preferably, can by first while magnet 41 be dimensioned to be more than second while magnet 42 size, so as to be formed
Asymmetric magnetic Circuit Design, to improve polarization problem.
Further, to first in magnet 41 and second while magnet 42 carry out size design when, can use following several
Kind design method, to make the magnetic field intensity of outlet side be more than the magnetic field intensity of free side, it is not limited to following manner.Example
Such as, by first while magnet 41 length and/or width and/or height be designed to be more than second while magnet 42 length and/or width
Degree and/or height.
Refer to shown in Fig. 1 and Fig. 2, first when being provided with first on magnet 41 washer 61, on the second side magnet 42
It is provided with the second side washer 62.First at washer 61 and second washer 62 can correct first at magnet 41 and second magnet
42 magnetic lines of force sent.
Preferably, first while washer 61 size be more than second while washer 62 size.According to the first side magnet 41 and
The difference of the size of two side magnet 42, first corresponding with them washer 62 at washer 61 and second is equipped with, so as to more
The effective magnetic line of force that magnet 42 is sent at magnet 41 and second of amendment first.
Specifically, the length and/or width and/or height of the first side washer 61 can also be designed as being more than the simultaneously
Size value corresponding to two side washers 62, naturally it is also possible to it is selective for first at magnet 41 or first in washer 61
One part carries out such design, and specific design mode is not limited by the description set out above.
It is further to note that what accompanying drawing 1 embodied is a kind of multipath magnetic circuit structure for including three blocks of magnet, but this technology side
The realization of case is not limited to the structure of three blocks of magnet, to foregoing only one block of magnet 3 and including 5 blocks of magnet (i.e. simultaneously
Including the 3rd when magnet is with the 4th magnet situation) multipath magnetic circuit infrastructure product it is equally applicable.
It refer to shown in Fig. 1 and Fig. 2, vibrational system 12 also includes the top dome portion 9 being fixed on vibrating diaphragm 8.Preferably, top dome
Portion 9 is located at the center of vibrating diaphragm 8.Top dome portion 9 can adjust acoustical behavior as the stiffener of vibrating diaphragm 8, and top dome portion 9 is general
It is required that rigidity is big, it is in light weight.
It refer to shown in Fig. 1 and Fig. 2, loudspeaker of the present utility model also includes fore shell 10 and shell 1.Fore shell 10 is arranged on
On shell 1, the receiving space that can accommodate vibrational system 12 and magnetic circuit system 11 is formd between fore shell 10 and shell 1.Preferably,
Conductive magnetic yoke 2 is fixed on the bottom of shell 1, directly as the shell bottom of shell 1, in order to outwards distribute by vibrating triggered heat.
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 vibrational system (12) and magnetic circuit system (11), magnetic circuit system (11) bag Include conductive magnetic yoke (2), the magnet (3) in the conductive magnetic yoke and the washer (5) for being incorporated into the magnet surface；It is described to shake Dynamic system (12) includes vibrating diaphragm (8) and the voice coil loudspeaker voice coil (7) being connected with the vibrating diaphragm (8), it is characterised in that：The lead (71) that the voice coil loudspeaker voice coil (7) includes the voice coil loudspeaker voice coil body of annular and drawn from the same side of the voice coil loudspeaker voice coil body；Institute Stating voice coil loudspeaker voice coil body includes the outlet side (711) positioned at the lead extraction location and the free side relative with the outlet side (712)；The magnetic field intensity that the magnetic circuit system (11) corresponds to the part of the outlet side (711) is more than the magnetic circuit system pair The magnetic field intensity of the part of free side described in Ying Yu (712).
- 2. loudspeaker according to claim 1, it is characterised in that be provided with the first side magnetic in the magnet (3) opposite sides Iron (41) and the second side magnet (42)；The lead (71) is drawn from the gap between the first side magnet (41) and magnet (3)；Wherein, first side magnet (41) magnetic field intensity between magnet (3) is more than the magnetic field intensity between second side magnet (42) and magnet (3).
- 3. loudspeaker according to claim 1, it is characterised in that corresponding to the magnetic circuit component of the outlet side (711) Size is more than the size of the magnetic circuit component corresponding to the free side (712).
- 4. loudspeaker according to claim 3, it is characterised in that the conductive magnetic yoke (2) corresponds to the portion of the outlet side The length or width or thickness divided are more than its and correspond to the length or width or thickness of the part of the free side.
- 5. loudspeaker according to claim 3, it is characterised in that the magnet (3) corresponds to the part of the outlet side Length or width or thickness be more than its and correspond to the length or width or thickness of the part of the free side.
- 6. loudspeaker according to claim 3, it is characterised in that the washer (5) corresponds to the part of the outlet side Length or width or thickness be more than its and correspond to the length or width or thickness of the part of the free side.
- 7. according to the loudspeaker described in any one of claim 4 to 6 claim, it is characterised in that the conductive magnetic yoke (2) and/ Or the length and/or width and/or thickness of the magnet (3) and/or the washer (5) correspond to one end of the free side certainly Increase gradually to one end corresponding to the outlet side.
- 8. loudspeaker according to claim 2, it is characterised in that described first is magnificent when being combined with first on magnet (41) Take charge of (61), described second when being combined with second on magnet (42) washer (62)；First side magnet (41) and/or described The length and/or width of one side washer (61) and/or height be more than described second while magnet (42) and/or it is described second while washer (62) length and/or width and/or height.
- 9. loudspeaker according to claim 8, it is characterised in that also include the 3rd be looped around around the magnet (3) The magnet in magnet and the 4th.
- 10. loudspeaker according to claim 1, it is characterised in that the lead (71) is a pair vacantly set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720873256.2U CN207070343U (en) | 2017-07-18 | 2017-07-18 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720873256.2U CN207070343U (en) | 2017-07-18 | 2017-07-18 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207070343U true CN207070343U (en) | 2018-03-02 |
Family
ID=61511965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720873256.2U Expired - Fee Related CN207070343U (en) | 2017-07-18 | 2017-07-18 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207070343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391214A (en) * | 2018-05-23 | 2018-08-10 | 歌尔股份有限公司 | Vibrational system and loud speaker |
-
2017
- 2017-07-18 CN CN201720873256.2U patent/CN207070343U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108391214A (en) * | 2018-05-23 | 2018-08-10 | 歌尔股份有限公司 | Vibrational system and loud speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20190718 |