CN207304907U - The magnetic circuit of loudspeaker and loudspeaker - Google Patents
The magnetic circuit of loudspeaker and loudspeaker Download PDFInfo
- Publication number
- CN207304907U CN207304907U CN201721079848.3U CN201721079848U CN207304907U CN 207304907 U CN207304907 U CN 207304907U CN 201721079848 U CN201721079848 U CN 201721079848U CN 207304907 U CN207304907 U CN 207304907U
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- loudspeaker
- magnetic circuit
- conductive material
- material layer
- washer
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Abstract
The utility model provides a kind of magnetic circuit of loudspeaker and loudspeaker, and the magnetic circuit of loudspeaker therein includes magnetic circuit component and the magnetic gap cooperatively formed by magnetic circuit component, conductive material layer is combined with magnetic circuit component；Conductive material layer at least covers the surface of the close magnetic gap of magnetic circuit component.Using above-mentioned utility model, washer and short-circuited conducting sleeve is enabled to become a component, machine-shaping is convenient, solves the problems, such as assembling is difficult, efficiency is low etc..
Description
Technical field
Technical field of acoustics is the utility model is related to, more specifically, is related to a kind of magnetic circuit of loudspeaker and loudspeaker.
Background technology
Loudspeaker as the common electro-acoustic transducer device for converting electrical energy into acoustic energy, its played in sound place system can not or
Scarce effect.Loudspeaker is a most weak device in sound place system, and for sound puts effect, it be again one most
Important component.The species of loudspeaker is various, and audio electric energy makes its cone or vibrating diaphragm shake by electromagnetism, piezoelectricity or electrostatic effect
Dynamic and with surrounding air produces resonance and makes a sound.Therefore, exactly there is the appearance of loudspeaker, people are just able to hear U.S.
Wonderful sound.
At present, the magnetic circuit system of loudspeaker is mainly made of conductive magnetic yoke, magnet and washer three parts, in raising for no short-circuited conducting sleeve
In sound device, due to producing a large amount of counter electromotive force during voice coil vibrations, cause loudspeaker larger in low frequency end distortion；Simultaneously as raise
The asymmetry of the magnetic circuit system of sound device, voice coil loudspeaker voice coil shift up and during to bottom offsets, and iron core effect causes the not right of voice coil loudspeaker voice coil inductance
Title property, also results in product distortion.
And in the loudspeaker of short-circuited conducting sleeve is provided with, short-circuited conducting sleeve is generally embedded in the outside of magnet or washer, individually short
Road ring have higher machining accuracy and assembly precision requirement, it usually needs be bonded with glue, due to such short-circuited conducting sleeve usually compared with
It is thin, yielding, product can be caused difficult to install.In addition, the setting of short-circuited conducting sleeve also needs to the magnetic gap of increase magnetic circuit system, cause
The performance and efficiency of magnetic circuit system reduce, and the sensitivity for ultimately resulting in loudspeaker declines.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of magnetic circuit of loudspeaker and loudspeaker, to solve
Loudspeaker sets product sensitivity decline caused by short-circuited conducting sleeve, the problems such as acoustical behavior is unstable at present.
A kind of magnetic circuit of loudspeaker provided by the utility model, including magnetic circuit component and cooperatively formed by magnetic circuit component
Magnetic gap, be combined with conductive material layer in magnetic circuit component；Conductive material layer at least covers the close magnetic gap of magnetic circuit component
Surface.
Furthermore it is preferred that structure be that magnetic circuit system includes T iron；T iron includes horizontally arranged ring-type pedestal and hangs down
Directly in the stem of pedestal；Magnet and washer are arranged with successively in the outside of stem.
Furthermore it is preferred that structure be that magnetic circuit system includes U iron, the magnet that is bonded and fixed in U iron and is incorporated in magnet
On washer.
Furthermore it is preferred that structure be that washer is annular in shape；Conductive material layer is electroplated on the surface of washer；Also, conductive material
The whole outer surface of layer covering washer；Alternatively, conductive material layer only covers the outer surface of the close magnetic gap part of washer.
Furthermore it is preferred that structure be that magnet is annular in shape；Conductive material layer is electroplated on the surface of magnet；Also, conductive material
The whole outer surface of layer covering magnet；Alternatively, conductive material layer only covers the outer surface of the close magnetic gap part of magnet.
Furthermore it is preferred that structure be, conductive material layer electroplate T iron stem apex zone outer surface.
Furthermore it is preferred that structure be that conductive material layer is metal layer.
Furthermore it is preferred that structure be that conductive material layer is layers of copper or silver layer.
The utility model also provides a kind of loudspeaker, including the above-mentioned magnetic circuit of loudspeaker.
It was found from technical solution above, the magnetic circuit of loudspeaker and loudspeaker of the utility model, in magnetic circuit system
On magnet or washer plating set conductive material layer, during realizing speaker operation by conductive material layer, generation it is big
Counter electromotive force is measured, product medium-high frequency impedance is reduced to reach, lifts the effect of high frequency sound pressure level, that is to say, that conductive material layer
The effect of short-circuited conducting sleeve in traditional structure is played, product structure is simple, easy to assembly.
Brief description of the drawings
By reference to the explanation below in conjunction with attached drawing, and with the utility model is more fully understood, this practicality is new
The other purposes and result of type will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the washer structure schematic diagram according to the magnetic circuit of loudspeaker of the utility model embodiment one；
Fig. 2 is the magnet arrangement schematic diagram according to the magnetic circuit of loudspeaker of the utility model embodiment two.
Reference numeral therein includes：Washer 1, conductive material layer 2, magnet 3, conductive material layer 4.
Identical label indicates similar or corresponding feature or function in all of the figs.
Embodiment
It is new to this practicality below with reference to attached drawing for the magnetic circuit of loudspeaker and loudspeaker of the utility model is described in detail
The specific embodiment of type is described in detail.
Fig. 1 shows the washer structure of the magnetic circuit of loudspeaker according to the utility model embodiment one.
As shown in Figure 1, the magnetic circuit of loudspeaker of the utility model embodiment one, including magnetic circuit component and by the magnetic
The magnetic gap that circuit unit cooperatively forms, to realize the function of existing short-circuited conducting sleeve and avoiding the cumbersome technique of short-circuited conducting sleeve assembling, in magnetic
Conductive material layer is combined with circuit unit, conductive material layer at least covers the surface of the close magnetic gap of magnetic circuit component.
Wherein, magnetic circuit component refers to the building block in magnetic circuit system, for example, magnet, washer, T iron or U iron etc..Tool
Body, magnetic circuit system in the embodiment can include T iron, T iron include horizontally arranged ring-type pedestal and perpendicular to
The stem of pedestal, is arranged with magnet and washer in the outside of stem, magnetic gap is formed between magnet and washer and stem, is led successively
Material layer can be electroplated on the outer surface of the apex zone of T iron stem；Alternatively, magnetic circuit system includes U iron, is adhesively fixed
Magnet in U iron and the washer being incorporated on magnet, magnetic gap is formed between magnet and the side wall of washer and U iron.
Further, 1 structure annular in shape of washer, conductive material layer are electroplated on the surface of washer；Also, conductive material layer can
To cover the whole outer surface of washer；Alternatively, conductive material layer only covers the outer surface of the close magnetic gap part of washer.
Specifically, conductive material layer 2 is arranged to the larger metal layer of conductivity, such as layers of copper or silver layer, conductive material
Layer 2 and washer 1 form a global facility, and shaping structures are convenient, and the assembling of the magnetic circuit system of loudspeaker is simple, production
It is efficient.
In an embodiment of the utility model, loudspeaker further includes vibrational system, and vibrational system includes shaking
Film and the voice coil loudspeaker voice coil for being fixed on vibrating diaphragm side, voice coil loudspeaker voice coil are hung in magnetic gap, after external AC current signal inputs voice coil loudspeaker voice coil, you can
Diaphragm oscillations sounding is driven by voice coil loudspeaker voice coil, wherein, the conductive material layer 2 by being arranged on 1 outer surface of washer is offset voice coil loudspeaker voice coil and is sensed
Influence of the electric current to magnetic field in loudspeaker, it is ensured that properties of product are stablized.
Further, the loudspeaker of the utility model embodiment further includes shell；Washer and magnet can set one respectively
Block (as shown in Figure 1), can also set one group respectively；For example, washer includes the center washer being fixed on magnet and consolidates
It is scheduled on a shell and forms washer group positioned at the side washer of center washer surrounding, center washer and side washer；Magnet includes solid
The centring magnet being scheduled in T iron and fixation are on the shell and positioned at the side magnet of centring magnet surrounding, centring magnet and side magnetic
Iron forms group of magnets；Centring magnet is correspondingly arranged with center washer, while magnet with while washer be correspondingly arranged.
It should be noted that the conductive material layer knot that the washer, magnet or T iron and its plating in the embodiment are set
Structure, can be applied in a variety of acoustic products such as loudspeaker, loudspeaker.
Fig. 2 shows the magnet arrangement of the magnetic circuit of loudspeaker according to the utility model embodiment two.
As shown in Fig. 2, the magnetic circuit of loudspeaker of the utility model embodiment two, conductive material layer are arranged on magnet；
Wherein, magnet structure annular in shape, conductive material layer are electroplated on the surface of magnet；Also, conductive material layer covering magnet is whole
Outer surface；Alternatively, conductive material layer only covers the outer surface of the close magnetic gap part of magnet.
Specifically, conductive material layer 2 is arranged to the larger metal layer of conductivity, such as layers of copper or silver layer, conductive material
Layer 2 and washer 1 form a global facility, and shaping structures are convenient, and the assembling of the magnetic circuit system of loudspeaker is simple, production
It is efficient.
In an embodiment of the utility model, loudspeaker further includes vibrational system, and vibrational system includes shaking
Film and the voice coil loudspeaker voice coil for being fixed on vibrating diaphragm side, voice coil loudspeaker voice coil are hung in magnetic gap, after external AC current signal inputs voice coil loudspeaker voice coil, you can
Diaphragm oscillations sounding is driven by voice coil loudspeaker voice coil, wherein, the conductive material layer 2 by being arranged on 1 outer surface of washer is offset voice coil loudspeaker voice coil and is sensed
Influence of the electric current to magnetic field in loudspeaker, it is ensured that properties of product are stablized.
It should be noted that the conductive material Rotating fields that the magnet and its plating in the embodiment are set, can also apply
Into a variety of acoustic products such as loudspeaker, loudspeaker.
Corresponding with the above-mentioned magnetic circuit of loudspeaker, the utility model also provides a kind of loudspeaker, including above-mentioned in magnetic circuit
The magnetic circuit of loudspeaker of conductive material layer is set on component.
By the above embodiment as can be seen that the magnetic circuit of loudspeaker provided by the utility model and loudspeaker, in sound
The conductive material layer that one layer of conductivity of electroplating lid is larger on the washer or magnet of the magnetic circuit system of product is learned, production can be reduced
The medium-high frequency impedance of product, lifts the medium-high frequency sound pressure level of product, and product high sensitivity, acoustical behavior are stablized；In addition, short-circuit structure
A component is formed with washer or magnet, product structure is simple, easy to assembly, and production efficiency is high.
Described in an illustrative manner above with reference to attached drawing according to the utility model proposes the magnetic circuit of loudspeaker and raise
Sound device.It will be understood by those skilled in the art, however, that the magnetic circuit of loudspeaker that is proposed for above-mentioned the utility model and raising
Sound device, can also make various improvement on the basis of the utility model content is not departed from.Therefore, the protection model of the utility model
Enclosing should be determined by the content of appended claims.
Claims (9)
1. a kind of magnetic circuit of loudspeaker, including magnetic circuit component and the magnetic gap that is cooperatively formed by the magnetic circuit component, it is special
Sign is,
Conductive material layer is combined with the magnetic circuit component；The conductive material layer at least covers the close institute of the magnetic circuit component
State the surface of magnetic gap.
2. the magnetic circuit of loudspeaker as claimed in claim 1, it is characterised in that the magnetic circuit system includes T iron；The T iron
Including horizontally arranged ring-type pedestal and the stem perpendicular to the pedestal；It is arranged with successively in the outside of the stem
Magnet and washer.
3. the magnetic circuit of loudspeaker as claimed in claim 1, it is characterised in that the magnetic circuit system includes U iron, is adhesively fixed
Magnet in the U iron and the washer being incorporated on the magnet.
4. the magnetic circuit of loudspeaker as claimed in claim 2 or claim 3, it is characterised in that the washer is annular in shape；The conduction material
The bed of material is electroplated on the surface of the washer；Also,
The conductive material layer covers the whole outer surface of the washer；Alternatively, the conductive material layer only covers the China
The outer surface of the close magnetic gap part of department.
5. the magnetic circuit of loudspeaker as claimed in claim 2 or claim 3, it is characterised in that the magnet is annular in shape；The conduction material
The bed of material is electroplated on the surface of the magnet；Also,
The conductive material layer covers the whole outer surface of the magnet；Alternatively, the conductive material layer only covers the magnetic
The outer surface of the close magnetic gap part of iron.
6. the magnetic circuit of loudspeaker as claimed in claim 2, it is characterised in that the conductive material layer plating is in the T iron
The outer surface of the apex zone of stem.
7. the magnetic circuit of loudspeaker as claimed in claim 1, it is characterised in that
The conductive material layer is metal layer.
8. the magnetic circuit of loudspeaker as claimed in claim 7, it is characterised in that
The conductive material layer is layers of copper or silver layer.
9. a kind of loudspeaker, including such as claim 1 to 8 any one of them magnetic circuit of loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721079848.3U CN207304907U (en) | 2017-08-25 | 2017-08-25 | The magnetic circuit of loudspeaker and loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721079848.3U CN207304907U (en) | 2017-08-25 | 2017-08-25 | The magnetic circuit of loudspeaker and loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304907U true CN207304907U (en) | 2018-05-01 |
Family
ID=62438835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721079848.3U Active CN207304907U (en) | 2017-08-25 | 2017-08-25 | The magnetic circuit of loudspeaker and loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207304907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668208A (en) * | 2018-05-16 | 2018-10-16 | 歌尔股份有限公司 | A kind of loud speaker |
-
2017
- 2017-08-25 CN CN201721079848.3U patent/CN207304907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668208A (en) * | 2018-05-16 | 2018-10-16 | 歌尔股份有限公司 | A kind of loud speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210611 Address after: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee after: GOERTEK Inc. Address before: 523000 EB206, Yishili Building, No. 9, Headquarters of Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: Goertek Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210709 Address after: 261031 Weian Road, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee before: GOERTEK Inc. |
|
| TR01 | Transfer of patent right |