CN206506705U - The magnetic circuit system and multiple voice coils loudspeaker of a kind of multiple voice coils loudspeaker - Google Patents
The magnetic circuit system and multiple voice coils loudspeaker of a kind of multiple voice coils loudspeaker Download PDFInfo
- Publication number
- CN206506705U CN206506705U CN201720253951.9U CN201720253951U CN206506705U CN 206506705 U CN206506705 U CN 206506705U CN 201720253951 U CN201720253951 U CN 201720253951U CN 206506705 U CN206506705 U CN 206506705U
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- China
- Prior art keywords
- voice coil
- magnetic circuit
- loudspeaker
- coil
- circuit system
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Abstract
The utility model discloses a kind of magnetic circuit system of multiple voice coils loudspeaker and multiple voice coils loudspeaker, magnetic circuit system therein includes：Multiple magnetic circuit devices being independently arranged；Magnetic circuit device includes：Voice coil loudspeaker voice coil and T iron, voice coil loudspeaker voice coil include speech coil framework；Voice coil loudspeaker voice coil coil is wound with speech coil framework, the voice coil leads that voice coil loudspeaker voice coil coil is drawn are electrically connected with power amplification device, and voice coil loudspeaker voice coil is driven by power amplification device；T iron includes：Chassis and columned magnetic conductor；Speech coil framework is socketed on magnetic conductor, and multiple through holes are provided with the side wall of speech coil framework；The electromagnetic force that multiple magnetic circuit devices being independently arranged are produced is superimposed to form synthesis electromagnetic force, for drive the speaker vibrating diaphragm sounding.Magnetic circuit system and loudspeaker of the present utility model so that loudspeaker meets the requirement of large driving force, makes magnetic circuit system more stable, reduce loudspeaker distortions, voice coil loudspeaker voice coil weight can be mitigated, strengthen thermal diffusivity, accomplish lightweight simultaneously, improve product quality and the susceptibility of user.
Description
Technical field
The utility model is related to loudspeaker techniques field, more particularly to a kind of multiple voice coils loudspeaker magnetic circuit system and multitone
Enclose loudspeaker.
Background technology
Loudspeaker, such as auto loud hailer are general to coordinate locating branch slice using sound basin（Also referred to as centring disk, play ripple）Knot
Structure.Assemble loudspeaker when, 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 is installed with balancer and is integrated.Development and people's life with auto manufacturing
The raising of level, 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.At present, most of loudspeakers are to drive diaphragm oscillations using single-tone circle.But to some specific uses, bore exists
More than 4500mm larger type speakers, the quality of vibrating diaphragm is greatly increased, and the additional mass of air with radius cube and increase,
It is required that voice coil loudspeaker voice coil magnetic circuit system has bigger driving force, it is necessary to change the type of drive of voice coil loudspeaker voice coil.
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 multiple voice coils loudspeaker
System and multiple voice coils loudspeaker, the problem of can solve the problem that above-mentioned.
According to one side of the present utility model there is provided a kind of magnetic circuit system of multiple voice coils loudspeaker, including：Multiple independences
The magnetic circuit device of setting；The magnetic circuit device includes：Voice coil loudspeaker voice coil and T iron, the voice coil loudspeaker voice coil include speech coil framework；In the speech coil framework
On be wound with voice coil loudspeaker voice coil coil, the voice coil leads that the voice coil loudspeaker voice coil coil is drawn are electrically connected with power amplification device, and the voice coil loudspeaker voice coil is filled by power amplifier
Put driving；The T iron includes：Chassis and columned magnetic conductor；The speech coil framework is socketed on the magnetic conductor, described
Multiple through holes are provided with the side wall of speech coil framework；Wherein, the electromagnetic force that the multiple magnetic circuit device being independently arranged is produced is folded
Plus synthesis electromagnetic force is formed, for drive the speaker vibrating diaphragm sounding.
Alternatively, the quantity of the magnetic circuit device is 3, and the quantity of the power amplification device is 3；The magnetic circuit device and
The power amplification device, which is corresponded, to be set.
Alternatively, circular counter bore, the center line of the counterbore and the magnetic conductor are provided with the top of the magnetic conductor
Center line overlap.
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 is round table-like, 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 on the side wall of the speech coil framework
There is a row or multi-row through hole.
Alternatively, many 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.
Raised according to another aspect of the present utility model there is provided a kind of multiple voice coils loudspeaker, including multitone ring as described above
The magnetic circuit system of sound device.
The magnetic circuit system and multiple voice coils loudspeaker of multiple voice coils loudspeaker of the present utility model, using the multiple bands being independently arranged
There is the magnetic circuit device driving vibrating diaphragm sounding of voice coil loudspeaker voice coil so that loudspeaker meets the requirement of large driving force, makes magnetic circuit system more stable,
Reduce loudspeaker distortions, can mitigate voice coil loudspeaker voice coil weight, strengthen thermal diffusivity, while accomplished lightweight, improve product quality with
And the susceptibility of user.
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 accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
Only it is some embodiments of the present 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 schematic diagram of one embodiment of the magnetic circuit system of the multiple voice coils loudspeaker according to the present invention；
Fig. 2 is that the deployment of the magnetic circuit device of one embodiment of the magnetic circuit system of the multiple voice coils loudspeaker according to the present invention is shown
It is intended to；
Fig. 3 is that the decomposition of the magnetic circuit device of one embodiment of the magnetic circuit system of the multiple voice coils loudspeaker according to the present invention is shown
It is intended to；
Fig. 4 is that the assembling of the magnetic circuit device of one embodiment of the magnetic circuit system of the multiple voice coils loudspeaker according to the present invention is shown
It is intended to；
Fig. 5 is T iron in the magnetic circuit device of one embodiment of the magnetic circuit system of the multiple voice coils loudspeaker according to the present invention
Structural representation；
Fig. 6 is voice coil loudspeaker voice coil in the magnetic circuit device of one embodiment of the magnetic circuit system of the multiple voice coils loudspeaker according to the present invention
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 utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, 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, belongs 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 figures 1 to 6, the utility model provides a kind of magnetic circuit system of multiple voice coils loudspeaker, including：It is multiple independently to set
The magnetic circuit device 011,012,013 put.The electromagnetic force that magnetic circuit device 011,012,013 is produced is superimposed to form synthesis electromagnetic force, altogether
With the sounding of drive the speaker vibrating diaphragm 02, electromagnetic force superposition can be using modes such as linear superpositions.
Each magnetic circuit device 011,012,013 includes：Voice coil loudspeaker voice coil 3 and T iron 1, voice coil loudspeaker voice coil 3 include speech coil framework 31.In voice coil loudspeaker voice coil
Voice coil loudspeaker voice coil coil 33 is wound with skeleton 31, the voice coil leads 34 that voice coil loudspeaker voice coil coil 33 is drawn are electrically connected with power amplification device.Voice coil loudspeaker voice coil 3 is by work(
Device driving is put, each magnetic circuit device 011,012,013 sets power amplification device respectively, for driving magnetic circuit device.T iron 1 includes：
Chassis 32 and columned magnetic conductor 31.Speech coil framework 31 is socketed on magnetic conductor 31, is set on the side wall of speech coil framework 31
There are multiple through holes 32.
In one embodiment, direct drive is a kind of conventional, basic mode.If driving force is not enough, Ke Yishe
Put multiple independent magnetic circuit devices, quantity can for 2,3,4 etc..For example, 3 type of drive can be used, i.e., filled with 3 sets of magnetic circuits
11,012,013 is set to 0, the electromagnetic force that magnetic circuit device 011,012,013 is produced is superimposed to form synthesis electromagnetic force, and drive the speaker is shaken
The sounding of film 02, and the balancing of magnetic circuit device 011,012,013, synchronization, stably are kept, due drive is reached by multipoint mode driving
Power.
The center line of counterbore 13 is overlapped 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 is reduced at the counterbore on the top of magnetic conductor 11.
Voice coil loudspeaker voice coil 3 is itself generation magnetic field after spiral winding, 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 prop magnetic density variable quantities caused by dynamic, reduce loudspeaker distortions, it is possible to the weight saving for making magnetic circuit overall, meet vapour
The light-weighted design concept of car.
In one embodiment, annular groove 14 is provided with the upper surface on chassis 12.Annular groove 14 can be set
On chassis 12 and the connecting portion of magnetic conductor 11, the center line of annular groove 14 is overlapped with the center line of magnetic conductor 11.The band of T iron 1
Fluted 14, the stroke of voice coil loudspeaker voice coil 3 is can guarantee that, also can effectively reduce the volume and weight of T iron 1, while improving 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, magnetic conductivity is added.
In one embodiment, voice coil loudspeaker voice coil coil 33 is wound with the bottom of speech coil framework 31, voice coil loudspeaker voice coil coil 33 draws voice coil loudspeaker voice coil
Lead 34.A row or multi-row through hole 32 is provided with the side wall of speech coil framework 31.The size and arrangement of through hole 32 can roots
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 circular, oval
Shape is square etc..
Through hole 32 can have various arrangement mode.For example, on 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.
Many 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 on an at least exhausting hole and covers an at least exhausting hole.Through hole is set on the side wall of speech coil framework 31, can be mitigated
Voice coil loudspeaker voice coil quality weight, strengthens thermal diffusivity, is worked long hours under high-power and is not easily caused voice coil loudspeaker voice coil broken string.
In one embodiment there is provided a kind of multiple voice coils loudspeaker, include the magnetic circuit system of multiple voice coils loudspeaker as above.
The magnetic circuit system and multiple voice coils loudspeaker of the multiple voice coils loudspeaker provided in above-described embodiment, using what is be independently arranged
Multiple magnetic circuit device driving vibrating diaphragm sounding with voice coil loudspeaker voice coil so that loudspeaker meets the requirement of large driving force, makes magnetic circuit system more
For stable, reduction loudspeaker distortions, voice coil loudspeaker voice coil weight can be mitigated, strengthen thermal diffusivity, while having 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 preferred number range, it is any it should be appreciated by those skilled in the art：It is preferred that numerical value
Scope is only the obvious or representative numerical value of technique effect 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 constitute the limitation that protection domain is created to the utility model.
Meanwhile, if above-mentioned the utility model is open 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（For example using bolt or mode connects for screw）,
It can be understood as：It is non-removable to be fixedly connected（For example rivet, weld）, certainly, connection fastened to each other can also be integral type
Structure（For example manufactured using casting technique is integrally formed）Replaced（Substantially can not be using except integrally formed technique）.
In addition, being used for applied in any technical scheme disclosed in above-mentioned the utility model represents position relationship or shape
Term unless otherwise stated its implication include approximate with its, similar or close state or shape.What the utility model was provided
Either component can be assembled by multiple single parts, or the list that integrally formed technique is manufactured
Only part.
Finally it should be noted that:Above example is only to illustrate 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：Still embodiment of the present utility model can 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 (9)
1. a kind of magnetic circuit system of multiple voice coils loudspeaker, it is characterised in that including：
Multiple magnetic circuit devices being independently arranged；The magnetic circuit device includes：Voice coil loudspeaker voice coil and T iron, the voice coil loudspeaker voice coil include speech coil framework；
Voice coil loudspeaker voice coil coil is wound with the speech coil framework, the voice coil leads that the voice coil loudspeaker voice coil coil is drawn are electrically connected with power amplification device, described
Voice coil loudspeaker voice coil is driven by power amplification device；The T iron includes：Chassis and columned magnetic conductor；The speech coil framework is socketed in described lead
On magnet, multiple through holes are provided with the side wall of the speech coil framework；
Wherein, the electromagnetic force that the multiple magnetic circuit device being independently arranged is produced is superimposed to form synthesis electromagnetic force, is raised for driving
Sound device vibrating diaphragm sounding.
2. magnetic circuit system as claimed in claim 1, it is characterised in that including：
The quantity of the magnetic circuit device is 3, and the quantity of the power amplification device is 3, the magnetic circuit device and power amplifier dress
One-to-one corresponding is put to set.
3. magnetic circuit system as claimed in claim 1, it is characterised in that
Circular counter bore, the center line weight of the center line of the counterbore and the magnetic conductor are provided with the top of the magnetic conductor
Close.
4. magnetic circuit system as claimed in claim 1, it is characterised in that
Annular groove is provided with the upper surface on the chassis.
5. magnetic circuit system as claimed in claim 4, it is characterised in that
The annular groove is arranged on the connecting portion on the chassis and the magnetic conductor.
6. magnetic circuit system as claimed in claim 1, it is characterised in that
The chassis to be cylindric or round table-like, wherein, when the chassis for it is round table-like when, the bus on the chassis for straight line or
Camber line.
7. magnetic circuit system as claimed in claim 1, it is characterised in that
Voice coil loudspeaker voice coil coil is wound with the bottom of the speech coil framework；It is provided with the side wall of the speech coil framework a row or multi-row
Through hole.
8. magnetic circuit system as claimed in claim 7, it is characterised in that
Many exhausting holes are provided with the side wall of the speech coil framework, wherein, the voice coil loudspeaker voice coil coil is pressed on an at least exhausting hole,
And cover an at least exhausting hole.
9. a kind of multiple voice coils loudspeaker, it is characterised in that：
Include the magnetic circuit system of the multiple voice coils loudspeaker as described in claim 1 to 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720253951.9U CN206506705U (en) | 2017-03-16 | 2017-03-16 | The magnetic circuit system and multiple voice coils loudspeaker of a kind of multiple voice coils loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720253951.9U CN206506705U (en) | 2017-03-16 | 2017-03-16 | The magnetic circuit system and multiple voice coils loudspeaker of a kind of multiple voice coils loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206506705U true CN206506705U (en) | 2017-09-19 |
Family
ID=59832979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720253951.9U Expired - Fee Related CN206506705U (en) | 2017-03-16 | 2017-03-16 | The magnetic circuit system and multiple voice coils loudspeaker of a kind of multiple voice coils loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206506705U (en) |
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 |
| CN117915248A (en) * | 2024-03-20 | 2024-04-19 | 瑞声光电科技(常州)有限公司 | Sounding device |
-
2017
- 2017-03-16 CN CN201720253951.9U patent/CN206506705U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN117915248A (en) * | 2024-03-20 | 2024-04-19 | 瑞声光电科技(常州)有限公司 | Sounding device |
| CN117915248B (en) * | 2024-03-20 | 2024-05-14 | 瑞声光电科技(常州)有限公司 | Sounding 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: 20170919 Termination date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |