CN206498524U - A kind of magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection - Google Patents
A kind of magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection Download PDFInfo
- Publication number
- CN206498524U CN206498524U CN201720032240.9U CN201720032240U CN206498524U CN 206498524 U CN206498524 U CN 206498524U CN 201720032240 U CN201720032240 U CN 201720032240U CN 206498524 U CN206498524 U CN 206498524U
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- China
- Prior art keywords
- magnetic
- iron
- chassis
- magnetic conductor
- loudspeaker
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection, magnetic conduction T iron therein includes：Chassis and columned magnetic conductor, chassis are connected with magnetic conductor, and chassis and magnetic conductor are coaxial；Round boss is provided with the top of magnetic conductor, the center line of round boss is overlapped with the center line of magnetic conductor, also, diameter of the diameter more than magnetic conductor of round boss.Magnetic conduction T iron and the magnetic circuit system of loudspeaker of the present utility model with top projection, it can avoid due to distortion caused by Magnetic field inhomogeneity in magnetic gap, because the magnetic conductor lower end of magnetic conduction T iron attenuates, magnetic saturation state can be reached in advance, reduce distortion, and, the weight of magnetic circuit is alleviated, meets light-weight design theory, the outward appearance of loudspeaker can be made compact attractive in appearance, make loudspeaker performance outstanding, improve product quality.
Description
Technical field
The utility model is related to loudspeaker techniques field, more particularly to a kind of magnetic conduction T iron with top projection and its
The magnetic circuit system of 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.Loudspeaker includes：Balancer, high-frequency diaphragm, voice coil loudspeaker voice coil, centring ring, train wheel bridge, magnet steel and T iron etc..When assembling loudspeaker,
High-frequency diaphragm, voice coil loudspeaker voice coil, centring ring, train wheel bridge, magnet steel and T iron etc. are first combined as magnetic circuit device, then by magnetic circuit device with putting down
Weighing apparatus is pressed, and magnetic circuit device is installed with balancer and is integrated.At present, traditional magnetic structure is by train wheel bridge, magnet steel, T iron
Composition, because being limited by material processing cost, the T iron of most of magnetic speakers still uses fairly simple cylinder.Due to T
Iron prop is shaped as thickness identical cylinder so that magnetic conduction T iron after train wheel bridge assembling with being easily caused magnetic gap or so shape not
Symmetrically, cause Magnetic field inhomogeneity therein, loudspeaker is produced distortion.
Utility model content
In view of this, a technical problem to be solved in the utility model is to provide a kind of magnetic conduction with top projection
The magnetic circuit system of T iron and its 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 conduction T iron with top projection, including：Chassis and
Columned magnetic conductor, the chassis is connected with the magnetic conductor, and the chassis and the magnetic conductor are coaxial；Led described
Round boss is provided with the top of magnet, the center line of the round boss is overlapped with the center line of the magnetic conductor, also, institute
The diameter for stating round boss is more than the diameter of the magnetic conductor.
According to one embodiment of the present utility model, further, the chassis is cylinder, the round boss it is straight
Footpath is less than the diameter on the chassis.
According to one embodiment of the present utility model, further, annular is provided with the upper surface on the chassis recessed
Groove, the center line of the annular groove is overlapped with the center line of the magnetic conductor.
According to one embodiment of the present utility model, further, on the chassis and the connecting portion of the magnetic conductor
It is upper that the annular groove is set.
According to one embodiment of the present utility model, further, the chassis is round table-like, and the bus on the chassis is
Straight line or camber line.
According to one embodiment of the present utility model, further, be set at the edge on the chassis multiple be used for magnetic
The positioning table that steel is positioned.
According to one embodiment of the present utility model, further, the top of the round boss sets fluted.
According to one embodiment of the present utility model, further, the chassis, the magnetic conductor and the round boss
It is formed in one.
According to one embodiment of the present utility model, further, the chassis, the magnetic conductor and the round boss
Outer surface there is zinc coat.
According to another aspect of the present invention there is provided a kind of magnetic circuit system of loudspeaker, including train wheel bridge, as above magnet steel, institute
The magnetic conduction T iron with top projection stated.
Magnetic conduction T sheet iron strips of the present utility model with top projection are fluted, and circle is provided with the top of magnetic conductor
Boss, can be avoided due to distortion caused by Magnetic field inhomogeneity in magnetic gap, can because the magnetic conductor lower end of magnetic conduction T iron attenuates
To reach magnetic saturation state in advance, distortion is reduced, also, alleviates the weight of magnetic circuit, meets light-weight design theory, can make
The outward appearance of loudspeaker is compact attractive in appearance, makes loudspeaker performance outstanding, improves product quality.
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 according to the magnetic conduction T iron of the present utility model with top projection；
Fig. 2 is the schematic diagram of another embodiment according to the magnetic conduction T iron of the present utility model with top projection；
Fig. 3 is the decomposing schematic representation of one embodiment of the magnetic circuit system according to loudspeaker of the present utility model；
Fig. 4 is the decomposing schematic representation of another embodiment of the magnetic circuit system according to loudspeaker of the present utility model.
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.
Hereafter in order to describe conveniently, hereinafter alleged "left", "right", " on ", " under " etc. and accompanying drawing in itself it is left and right,
The direction such as upper and lower is consistent.
As shown in figure 1, the utility model provides a kind of magnetic conduction T iron with top projection, including：Chassis 11 and cylinder
The magnetic conductor 12 of shape, chassis 11 is connected with magnetic conductor 12, and chassis 11 and magnetic conductor 12 are coaxial.Set at the top of magnetic conductor 12
Round boss 13 is equipped with, the center line of round boss 13 is overlapped with the center line of magnetic conductor 12, also, the diameter of round boss 13
More than the diameter of magnetic conductor 12.
Upper coarse and lower fine shape is presented in magnetic conduction T iron of the present utility model with top projection, the magnetic conductor of magnetic conduction T iron
Shape so that the visibly homogeneous magnetic field of magnetic gap shape that magnetic conduction T iron is formed after coordinating with train wheel bridge is more uniform, reduces and raises one's voice
The distortion of device.
In one embodiment, chassis 11 is cylinder, and the diameter of round boss 13 is less than the diameter on chassis 11.On chassis
Annular groove is provided with 11 upper surface, the center line of annular groove is overlapped with the center line of magnetic conductor 12.Annular groove can
Varying depth and width with the size with chassis 11 and magnetic conductor 12.Can be on chassis 11 and the connecting portion of magnetic conductor 12
Annular groove is set on position.
In one embodiment, chassis 11 can be round table-like, the bus on chassis 11 is straight line, camber line, parabola or its
Its Combined bus-bar.For example, as shown in Fig. 2 chassis 11 is by columned Part I and the Part II group of circular cone column
Into the effective volume and weight for reducing T iron adds magnetic conductivity, so as to reduce 2 ranks and the 3 rank distortions of loudspeaker generation, makes
Loudspeaker quality is outstanding.
In one embodiment, multiple positioning tables for being positioned to magnet steel can be set at the edge on chassis 11.
For example, can be axially projecting positioning table, the quantity of positioning table can be configured according to specific demand, for example, 2,
3,4 etc., when magnetic conduction T iron and magnet steel are installed, the medial surface of positioning table is engaged with the cylindrical of magnet steel, is positioned, and is made
Obtain positioning table and coordinate accurate with magnet steel.
In one embodiment, the top of round boss 13 sets fluted.Chassis 11, magnetic conductor 12 and round boss 13
It is formed in one.The outer surface on chassis 11, magnetic conductor 12 and round boss 13 has zinc coat.
The present invention provides a kind of magnetic circuit system of loudspeaker, as shown in figure 3, magnetic circuit system includes train wheel bridge 3, magnet steel 2, such as
On the magnetic conduction T iron 1 with top projection.As shown in figure 4, the symmetrical shape of magnetic gap 4 or so of magnetic circuit system, due between magnetic
The shape of gap or so is visibly homogeneous, thus it is symmetrical and be evenly distributed in the magnetic field that magnetic gap is produced, it can effectively reduce and raise one's voice
Device distortion, also, the structure of the bottom of magnetic conduction T iron 1 attenuates so that the overall weight saving of magnetic circuit, meet automotive light weight technology
Design concept.
The magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection in above-described embodiment, in magnetic conductor
Top is provided with round boss, can avoid due to distortion caused by Magnetic field inhomogeneity in magnetic gap, due to the magnetic conduction of magnetic conduction T iron
Body lower end attenuates, and magnetic saturation state can be reached in advance, reduces distortion, also, alleviates the weight of magnetic circuit, meets lightweight and sets
Meter theory, can make the outward appearance of loudspeaker compact attractive in appearance, make loudspeaker performance outstanding, improve product quality.
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.
If the word such as " first ", " second " is used herein come if limiting parts, those skilled in the art should
This knows：" first ", the use of " second " are intended merely to facilitate in description and parts distinguished such as no Stated otherwise
Outside, above-mentioned word does not have special implication.
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 (10)
1. a kind of magnetic conduction T iron with top projection, it is characterised in that including：
Chassis and columned magnetic conductor, the chassis are connected with the magnetic conductor, and the chassis and the magnetic conductor are same
Axle；Round boss, the center line of the center line of the round boss and the magnetic conductor are provided with the top of the magnetic conductor
Overlap, also, diameter of the diameter more than the magnetic conductor of the round boss.
2. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
The chassis is cylinder, and the diameter of the round boss is less than the diameter on the chassis.
3. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
Annular groove, the center of the center line of the annular groove and the magnetic conductor are provided with the upper surface on the chassis
Line is overlapped.
4. magnetic conduction T iron as claimed in claim 3, it is characterised in that：
The annular groove is set on the connecting portion of the chassis and the magnetic conductor.
5. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
The chassis is round table-like, and the bus on the chassis is straight line or camber line.
6. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
At the edge on the chassis, multiple positioning tables for being positioned to magnet steel are set.
7. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
The top of the round boss sets fluted.
8. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
The chassis, the magnetic conductor and the round boss are formed in one.
9. magnetic conduction T iron as claimed in claim 1, it is characterised in that：
The outer surface on the chassis, the magnetic conductor and the round boss has zinc coat.
10. a kind of magnetic circuit system of loudspeaker, it is characterised in that：Including：Train wheel bridge, magnet steel, such as claim 1 to 9 are any one
The magnetic conduction T iron with top projection described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032240.9U CN206498524U (en) | 2017-01-12 | 2017-01-12 | A kind of magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720032240.9U CN206498524U (en) | 2017-01-12 | 2017-01-12 | A kind of magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206498524U true CN206498524U (en) | 2017-09-15 |
Family
ID=59803052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720032240.9U Expired - Fee Related CN206498524U (en) | 2017-01-12 | 2017-01-12 | A kind of magnetic conduction T iron and its magnetic circuit system of loudspeaker with top projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206498524U (en) |
-
2017
- 2017-01-12 CN CN201720032240.9U patent/CN206498524U/en not_active Expired - Fee Related
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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: 20170915 Termination date: 20190112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |