CN206629264U - The magnetic circuit system and loudspeaker of a kind of loudspeaker - Google Patents
The magnetic circuit system and loudspeaker of a kind of loudspeaker Download PDFInfo
- Publication number
- CN206629264U CN206629264U CN201720126627.0U CN201720126627U CN206629264U CN 206629264 U CN206629264 U CN 206629264U CN 201720126627 U CN201720126627 U CN 201720126627U CN 206629264 U CN206629264 U CN 206629264U
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- China
- Prior art keywords
- voice coil
- loudspeaker
- coil
- magnetic circuit
- magnetic
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Abstract
The utility model discloses a kind of magnetic circuit system of loudspeaker and loudspeaker, magnetic circuit system therein includes：Voice coil loudspeaker voice coil（3）And T iron（1）；T iron（1）Including：Chassis（12）With columned magnetic conductor（11）, in magnetic conductor（11）Top be provided with circular counter bore（13）；Speech coil framework（31）It is socketed in magnetic conductor（11）On, in speech coil framework（31）On be wound with voice coil loudspeaker voice coil coil（33）, multiple through holes are provided with the side wall of speech coil framework（32）.Magnetic circuit system and loudspeaker of the present utility model, counterbore is provided with the top of the magnetic conductor of T iron, magnetic saturation state can be reached in advance, so as to reduce the T iron post magnetic density variable quantity as caused by moving up and down voice coil loudspeaker voice coil, reduce loudspeaker distortions, the overall weight saving of magnetic circuit can be made, meet the design concept of automotive light weight technology, and voice coil loudspeaker voice coil weight can be mitigated, strengthen thermal diffusivity, improve product quality and the susceptibility of user.
Description
Technical field
It the utility model is related to speaker technology field, more particularly to the magnetic circuit system and loudspeaker of a kind of loudspeaker.
Background technology
Loudspeaker, such as auto loud hailer, locating branch slice is typically coordinated using sound basin（Also referred to as centring disk, bullet ripple）Knot
Structure.When assembling loudspeaker, voice coil loudspeaker voice coil, train wheel bridge, magnet steel and T iron etc. are first combined as magnetic circuit system, then by magnetic circuit system with
Balancer is pressed, and magnetic circuit device and balancer installation are integrated.As the development of auto manufacturing and people are lived
Horizontal raising, the requirement also more and more higher, therefore to the acoustics requirement of vehicle carried video system to car audio system
More and more higher.Due to the structure of T iron and the factor of material of vehicle-mounted loudspeaker traditional at present, the permeability of T iron is produced
Influence, traditional T iron magnetic density can change during being shaped such that voice coil vibrations inside T iron post, influence magnetic field intensity
So as to cause distortion, although distortion can be reduced by some technical schemes, make the tonequality of loudspeaker outstanding, adjusting
The cycle is longer during examination, and technique manufacture is not allowed easy to operate.
Utility model content
In view of this, a technical problem to be solved in the utility model is to provide a kind of magnetic circuit system of loudspeaker and raised
Sound device, can solve the problem that the problem of above-mentioned.
According to one side of the present utility model, there is provided a kind of magnetic circuit system of loudspeaker, including：Voice coil loudspeaker voice coil and T iron；It is described
T iron includes：Chassis and columned magnetic conductor, circular counter bore is provided with the top of the magnetic conductor；The voice coil loudspeaker voice coil includes sound
Ring framework, the speech coil framework are socketed on the magnetic conductor, and voice coil loudspeaker voice coil coil is wound with the speech coil framework, in the sound
Multiple through holes are provided with the side wall of ring framework.
Alternatively, the center line of the counterbore overlaps with the center line of the magnetic conductor.
Alternatively, the depth of the counterbore is the 1/3-2/3 of the magnetic conductor height.
Alternatively, it is provided with annular groove on the upper surface on the chassis.
Alternatively, the annular groove is arranged on the connecting portion on the chassis and the magnetic conductor.
Alternatively, the chassis is cylindric or round table-like, wherein, when the chassis for it is round table-like when, the chassis
Bus is straight line or camber line.
Alternatively, it is wound with voice coil loudspeaker voice coil coil in the bottom of the speech coil framework；Set in the side wall of the speech coil framework
There is a row or multi-row through hole.
Alternatively, an exhausting hole is provided with the side wall of the speech coil framework and above the voice coil loudspeaker voice coil coil,
Wherein, the quantity of an exhausting hole is 6, and circumference of 6 through holes along the speech coil framework is uniformly distributed.
Alternatively, more exhausting holes are provided with the side wall of the speech coil framework, wherein, the voice coil loudspeaker voice coil coil is pressed at least
On one exhausting hole and cover an at least exhausting hole.
According to other side of the present utility model, there is provided a kind of loudspeaker, include the magnetic circuit of loudspeaker as described above
System.
The magnetic circuit system and loudspeaker of loudspeaker of the present utility model, are provided with counterbore, T at the top of the magnetic conductor of T iron
Iron can reach magnetic saturation state in advance, so as to reduce the T iron post magnetic density variable quantity as caused by moving up and down voice coil loudspeaker voice coil, reduce
Loudspeaker distortions, the overall weight saving of magnetic circuit can be made, meet the design concept of automotive light weight technology, and voice coil loudspeaker voice coil weight can be mitigated
Amount, strengthen thermal diffusivity.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the utility model, for those of ordinary skill in the art, is not paying creative labor
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the decomposing schematic representation of one embodiment of magnetic circuit system of the present utility model；
Fig. 2 is the assembling schematic diagram of one embodiment of magnetic circuit system of the present utility model；
Fig. 3 be magnetic circuit system of the present utility model one embodiment in T iron structural representation；
Fig. 4 be magnetic circuit system of the present utility model one embodiment in voice coil loudspeaker voice coil structural representation.
Embodiment
The utility model is described more fully with reference to the accompanying drawings, wherein illustrating exemplary reality of the present utility model
Apply example.Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.It is new to this practicality with reference to figure and embodiment
The technical scheme of type carries out many descriptions.
As shown in Figure 1, 2, the utility model provides a kind of magnetic circuit system of loudspeaker, including：Voice coil loudspeaker voice coil 3, T iron 1, Yi Jishang
Clamping plate 4, magnet steel 2.T iron 1 includes：Chassis 12 and columned magnetic conductor 11, the top of magnetic conductor 11 is provided with circular counter bore
13.Voice coil loudspeaker voice coil includes speech coil framework 31, and speech coil framework 31 is socketed on magnetic conductor 11, and voice coil loudspeaker voice coil coil is wound with speech coil framework 31
33, multiple through holes 32 are provided with the side wall of speech coil framework.
The center line of counterbore 13 overlaps with the center line of magnetic conductor 11.The depth of counterbore 13 can be the height of magnetic conductor 11
1/3-2/3.The magnetic conductor 11 at the center of T iron 1 has counterbore so that magnetic saturation density reduces at the counterbore on the top of magnetic conductor 11.
Voice coil loudspeaker voice coil 3 is spiral winding, itself produces magnetic field after inflow current, causes the magnetic conduction at the center of T iron 1 with the up and down motion of voice coil loudspeaker voice coil 3
The inside magnetic density of body 11 changes.The top of magnetic conductor 11 is provided with circular counter bore 13, can reduce and be transported by voice coil loudspeaker voice coil about 3
T iron post magnetic density variable quantity caused by dynamic, reduce loudspeaker distortions, and the overall weight saving of magnetic circuit can be made, meet vapour
The light-weighted design concept of car.
In one embodiment, as shown in figure 3, being provided with annular groove 14 on the upper surface on chassis 12.Annular groove
14 can be arranged on the connecting portion of chassis 12 and magnetic conductor 11, the center line of annular groove 14 and the center line weight of magnetic conductor 11
Close.T iron 1 can guarantee that the stroke of voice coil loudspeaker voice coil 3, also can effectively reduce the volume and weight of T iron 1, while carrying with fluted 14
High magnetic conduction efficiency.
Chassis 12 can be cylindric or round table-like.When chassis 12 is round table-like, the bus on chassis 12 is straight line or arc
Line.There is inclined-plane on chassis 12, the volume and weight of T iron can be reduced, add magnetic conductivity.
In one embodiment, as shown in figure 4, being wound with voice coil loudspeaker voice coil coil 33, voice coil loudspeaker voice coil coil in the bottom of speech coil framework 31
33 draw voice coil leads 34.A row or multi-row through hole 32 is provided with the side wall of speech coil framework 31.The size of through hole 32 and
Arrangement can be according to the size of speech coil framework 31, and depending on design needs the radiating effect that reaches.The shape of through hole 32 can be with
To be circular, oval or square etc..
Through hole 32 can have various arrangement mode.For example, in the side wall of speech coil framework 31 and positioned at voice coil loudspeaker voice coil coil 33
Top is provided with an exhausting hole 32, and the quantity of an exhausting hole is 6, and 6 through holes are uniformly distributed along the circumference of speech coil framework.
More exhausting holes are provided with the side wall of speech coil framework 31, voice coil loudspeaker voice coil coil, voice coil line are wound with speech coil framework
Circle 33 is pressed at least on an exhausting hole and covers an at least exhausting hole.Through hole is set in the side wall of speech coil framework 31, can be mitigated
Voice coil loudspeaker voice coil quality weight, strengthen thermal diffusivity, worked long hours under high-power and be not easily caused voice coil loudspeaker voice coil broken string.
In one embodiment, there is provided a kind of loudspeaker, include the magnetic circuit system of loudspeaker as above.
The magnetic circuit system and loudspeaker of the loudspeaker provided in above-described embodiment, are provided with the top of the magnetic conductor of T iron
Counterbore, T iron can reach magnetic saturation state in advance, change so as to reduce the T iron post magnetic density as caused by moving up and down voice coil loudspeaker voice coil
Amount, reduce loudspeaker distortions, the overall weight saving of magnetic circuit can be made, meet the design concept of automotive light weight technology, and can subtract
Schwa circle weight, strengthen thermal diffusivity, make the outward appearance of loudspeaker small and beautiful, while accomplished lightweight, improve product quality
And the susceptibility of user.
Above-mentioned any technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range,
So disclosed number range is preferable number range, it is any it should be appreciated by those skilled in the art：Preferable numerical value
Scope is only the numerical value that technique effect is obvious or representative in many enforceable numerical value.Because numerical value is more,
It is impossible to exhaust, so the utility model just discloses component values to illustrate the technical solution of the utility model, also, it is above-mentioned
The numerical value enumerated should not form the limitation that protection domain is created to the utility model.
Meanwhile if above-mentioned the utility model discloses or relate to the parts or structural member of connection fastened to each other, then,
Unless otherwise stated, it is fixedly connected and can be understood as：Can releasably it be fixedly connected（Such as use bolt or mode connects for screw）,
It can be understood as：It is non-removable to be fixedly connected（Such as riveting, welding）, certainly, connection fastened to each other can also be integral type
Structure（Such as manufactured using casting technique is integrally formed）Substituted（Substantially can not be using except integrally formed technique）.
In addition, applied in any technical scheme disclosed in above-mentioned the utility model be used for represent position relationship or shape
Term its implication includes approximate with its, similar or close state or shape unless otherwise stated.It is provided by the utility model
Either component can be assembled by multiple individually parts, or the list that integrally formed technique manufactures
Only part.
Finally it should be noted that:Above example is only illustrating the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Specific embodiment of the present utility model can still be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (10)
- A kind of 1. magnetic circuit system of loudspeaker, it is characterised in that including：Voice coil loudspeaker voice coil（3）And T iron（1）；The T iron（1）Including：Chassis（12）With columned magnetic conductor（11）, in the magnetic conductor （11）Top be provided with circular counter bore（13）；The voice coil loudspeaker voice coil includes speech coil framework（31）, the speech coil framework（31）It is socketed in The magnetic conductor（11）On, in the speech coil framework（31）On be wound with voice coil loudspeaker voice coil coil（33）, in the side wall of the speech coil framework On be provided with multiple through holes（32）.
- 2. magnetic circuit system as claimed in claim 1, it is characterised in thatThe counterbore（13）Center line and the magnetic conductor（11）Center line overlap.
- 3. magnetic circuit system as claimed in claim 2, it is characterised in thatThe counterbore（13）Depth be the magnetic conductor（11）The 1/3-2/3 of height.
- 4. magnetic circuit system as claimed in claim 1, it is characterised in thatOn the chassis（12）Upper surface on be provided with annular groove（14）.
- 5. magnetic circuit system as claimed in claim 4, it is characterised in thatThe annular groove（14）It is arranged on the chassis（12）With the magnetic conductor（11）Connecting portion.
- 6. magnetic circuit system as claimed in claim 1, it is characterised in thatThe chassis（12）To be cylindric or round table-like, wherein, when the chassis is round table-like, the bus on the chassis is straight Line or camber line.
- 7. magnetic circuit system as claimed in claim 1, it is characterised in thatIn the speech coil framework（31）Bottom be wound with voice coil loudspeaker voice coil coil（33）；In the speech coil framework（31）Side wall on set There is a row or multi-row through hole（32）.
- 8. magnetic circuit system as claimed in claim 7, it is characterised in thatIn the speech coil framework（31）Side wall on and be located at the voice coil loudspeaker voice coil coil（33）Top be provided with an exhausting hole （32）, wherein, the quantity of an exhausting hole is 6, and circumference of 6 through holes along the speech coil framework is uniformly distributed.
- 9. magnetic circuit system as claimed in claim 7, it is characterised in thatIn the speech coil framework（31）Side wall on be provided with more exhausting holes, wherein, the voice coil loudspeaker voice coil coil（33）It is pressed at least one On exhausting hole and cover an at least exhausting hole.
- A kind of 10. loudspeaker, it is characterised in that：Include the magnetic circuit system of the loudspeaker as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720126627.0U CN206629264U (en) | 2017-02-13 | 2017-02-13 | The magnetic circuit system and loudspeaker of a kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720126627.0U CN206629264U (en) | 2017-02-13 | 2017-02-13 | The magnetic circuit system and loudspeaker of a kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206629264U true CN206629264U (en) | 2017-11-10 |
Family
ID=60212647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720126627.0U Expired - Fee Related CN206629264U (en) | 2017-02-13 | 2017-02-13 | The magnetic circuit system and loudspeaker of a kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206629264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040379A (en) * | 2020-09-02 | 2020-12-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
-
2017
- 2017-02-13 CN CN201720126627.0U patent/CN206629264U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040379A (en) * | 2020-09-02 | 2020-12-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
| CN112040379B (en) * | 2020-09-02 | 2021-10-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker, voice coil manufacturing method and coil heating device |
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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 |
Granted publication date: 20171110 Termination date: 20190213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |