CN209314098U - Bone-conduction speaker - Google Patents
Bone-conduction speaker Download PDFInfo
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- CN209314098U CN209314098U CN201921176002.0U CN201921176002U CN209314098U CN 209314098 U CN209314098 U CN 209314098U CN 201921176002 U CN201921176002 U CN 201921176002U CN 209314098 U CN209314098 U CN 209314098U
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- elastic slice
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Abstract
The utility model provides bone-conduction speaker, including shell, and the first elastic slice and the second elastic slice are equipped in the shell, and first elastic slice is equipped with the first magnet, and second elastic slice is equipped with the second coil, is equipped with the second magnet on the inside of second coil.With the above mentioned technical proposal, compared with prior art, the utility model has the advantages that: 1, the technical program utilize double elastic piece structures, the stiffness coefficient of each elastic slice and weight mass engaged therewith are all different, the stationary vibration of the multiple intrinsic frequency points of product can be achieved, meet the acoustical behavior of product low-frequency range and high band simultaneously, solves the confinement problems in product use process；2, double elastic slices are fixed in such a way that connection and washer combine reduces making technology difficulty on the shell, reduces processing procedure cost, while improving the leakproofness of product, improves the strength of reliability of product.
Description
Technical field
The utility model relates to electroacoustic techniques fields.
Specifically, being to be related to bone-conduction speaker.
Background technique
Osteoacusis is applied in the beforehand research of earphone complete product mostly at present as a novel acoustic product, it
It is different from traditional acoustics beep pattern, sounding and with the resonance of the skull of people.Traditional osteoacusis product oscillator can only be real
The now vibration of single intrinsic frequency, its high frequency " decaying " of the good product of low-frequency range acoustical behavior, high band acoustical behavior are good
Product low-frequency range dive it is poor, the acoustical behavior of low-frequency range and high band can not be met simultaneously, using complete product
Cheng Zhongyou significant limitation.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of bone-conduction speaker,
Solve the confinement problems in product use process.
The purpose of this utility model is reached by following technical measures:
Bone-conduction speaker, including shell, are equipped with the first elastic slice and the second elastic slice in the shell, on first elastic slice
Equipped with the first magnet, second elastic slice is equipped with the second coil, is equipped with the second magnet on the inside of second coil.
As an improvement: first elastic slice is equipped with first coil, and the first coil is located on the outside of the first magnet.
As an improvement: first magnet is located at the first elastic slice close to the side of the second elastic slice.
As an improvement: second coil, the second magnet are located at side of second elastic slice far from the first elastic slice.
As an improvement: second magnet is equipped with pole piece far from the side of the second elastic slice.
As an improvement: second elastic slice is equipped with through-hole.
As an improvement: the stiffness coefficient of first elastic slice is greater than the stiffness coefficient of the second elastic slice.
As an improvement: second elastic slice and cage connection are equipped with the between second elastic slice and the first elastic slice
Two washers are equipped with the first washer between first elastic slice and shell.
As an improvement: the shell includes upper casing, middle shell and lower casing, and second elastic slice and middle shell are close to upper casing
Side welding, side of first washer far from the first elastic slice offsets with upper casing.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that:
1, the technical program is using double elastic piece structures, and the stiffness coefficient of each elastic slice and weight mass engaged therewith are not
It is identical, it can be achieved that the multiple intrinsic frequency points of product stationary vibration, while meeting the acoustical behavior of product low-frequency range and high band,
Solve the confinement problems in product use process；
2, double elastic slices are fixed in such a way that connection and washer combine reduces making technology difficulty on the shell, reduces system
Cheng Chengben, while the leakproofness of product is improved, improve the strength of reliability of product.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Attached drawing 1 is the decomposition texture schematic diagram of the utility model bone-conduction speaker.
Attached drawing 2 is the schematic diagram of internal structure of the utility model bone-conduction speaker.
In figure: 1- upper casing；The first washer of 2-；The first elastic slice of 3-；4- second packing ring；5- first coil；The first magnet of 6-；7-
Second elastic slice；The second coil of 8-；The second magnet of 9-；10- pole piece；Shell in 11-；12- lower casing.
Specific embodiment
Embodiment: as shown in attached drawing 1,2, bone-conduction speaker, including shell, the shell include upper casing 1,11 and of middle shell
Lower casing 12.
Preferably, the shape of the upper casing 1 is circle, and the shape of the middle shell 11 is cylindrical shape, the shape of the lower casing 12
Shape is circle, and the upper casing 1 is welded with middle shell 11, and the middle shell 11 is welded with lower casing 12.
The first elastic slice 3 and the second elastic slice 7 are equipped in the shell, the stiffness coefficient of first elastic slice 3 is greater than the second bullet
The stiffness coefficient of piece 7.
Preferably, the shape of first elastic slice 3 is circle, and the shape of second elastic slice 7 is circle.
Second elastic slice 7 and cage connection.
Preferably, second elastic slice 7 is welded with middle shell 11 close to the side of upper casing 1.
Second packing ring 4 is equipped between second elastic slice 7 and the first elastic slice 3, first elastic slice 3 and the second elastic slice 7 are flat
Row setting, first elastic slice 3 are located at the second elastic slice 7 between the side of upper casing, first elastic slice 3 and upper casing equipped with the
One washer 2.
Side of first washer 2 far from the first elastic slice 3 offsets with upper casing 1.
The shape of first washer 2 is circular ring shape, and the shape of the second packing ring 4 is circular ring shape.
First washer 2 clamps the first elastic slice 3 with second packing ring 4.
First elastic slice 3 is equipped with the first magnet 6, and first elastic slice 3 is equipped with first coil 5, the First Line
Circle 5 is located at 6 outside of the first magnet.The shape of first magnet 6 is cylinder, and the shape of the first coil 5 is circular ring shape.
First magnet 6, first coil 5 are located at the first elastic slice 3 close to the side of the second elastic slice 7.
Second elastic slice 7 is equipped with the second coil 8, is equipped with the second magnet 9 on the inside of second coil 8.Described second
The shape of magnet 9 is cylinder, and the shape of second coil 8 is circular ring shape.
Second magnet 9 is permanent magnet or soft magnetic bodies, and the soft magnetic bodies are made of silicon steel material.
When being not provided with first coil 5 on the first elastic slice 3, first magnet 6 is permanent magnet；It is set when on the first elastic slice 3
When having first coil 5, first magnet 6 is permanent magnet or soft magnetic bodies, and the soft magnetic bodies are made of silicon steel material.
Second coil 8, the second magnet 9 are located at side of second elastic slice 7 far from the first elastic slice 3.
Second elastic slice 7 is equipped with through-hole.
Second magnet 9 is equipped with pole piece 10 far from the side of the second elastic slice 7.
The technical program drives the first magnet 6 using magnetic suspension and the double action of Ampere force, and magnetic circuit system is by the second magnetic
Body 9 and the second coil 8 are constituted, and after second coil 8 is motivated, the magnet or magnetizer among second coil 8 are by magnetic
Change, break and balance between magnetic, make 9 stationary vibration of the first magnet 6 and/or the second magnet, this principle scheme can simplify production technology, drop
Low Material Cost under same acoustical behavior, effectively reduces the volume and quality of oscillator monomer.
The technical program is using double elastic slices, in double elastic piece structures, the stiffness coefficient of each of which elastic slice and engaged therewith matches
Heavy amount is all different, wherein upper elastic slice stiffness coefficient is big, and weight mass is light, and intrinsic frequency is higher, so can effectively be promoted
The acoustical behavior of high band；Lower elastic slice stiffness coefficient is small, and weight mass weight, intrinsic frequency is low, can effectively realize the low of product
Frequency dive promotes the frequency acoustic performance of product；To sum up described, this structure can realize the steady vibration of the multiple intrinsic frequency points of product
It is dynamic, while meeting the acoustical behavior of product low-frequency range and high band, solve the confinement problems in product use process.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (9)
1. bone-conduction speaker, including shell, it is characterised in that: be equipped with the first elastic slice (3) and the second elastic slice in the shell
(7), first elastic slice (3) is equipped with the first magnet (6), and second elastic slice (7) is equipped with the second coil (8), and described the
The second magnet (9) are equipped on the inside of two coil (8).
2. bone-conduction speaker according to claim 1, it is characterised in that: first elastic slice (3) is equipped with First Line
It encloses (5), the first coil (5) is located on the outside of the first magnet (6).
3. bone-conduction speaker according to claim 1, it is characterised in that: first magnet (6) is located at the first elastic slice
(3) close to the side of the second elastic slice (7).
4. bone-conduction speaker according to claim 1, it is characterised in that: second coil (8), the second magnet (9)
Side positioned at the second elastic slice (7) far from the first elastic slice (3).
5. bone-conduction speaker according to claim 1, it is characterised in that: second magnet (9) is far from the second elastic slice
(7) side is equipped with pole piece (10).
6. bone-conduction speaker according to claim 1, it is characterised in that: second elastic slice (7) is equipped with through-hole.
7. bone-conduction speaker according to claim 1, it is characterised in that: the stiffness coefficient of first elastic slice (3) is big
Stiffness coefficient in the second elastic slice (7).
8. according to claim 1 to 7 one of them described bone-conduction speaker, it is characterised in that: second elastic slice (7) with
Cage connection is equipped with second packing ring (4) between second elastic slice (7) and the first elastic slice (3), first elastic slice (3) and outer
The first washer (2) are equipped between shell.
9. bone-conduction speaker according to claim 8, it is characterised in that: the shell includes upper casing (1), middle shell (11)
With lower casing (12), second elastic slice (7) and middle shell (11) are welded close to the side of upper casing (1), and first washer (2) is separate
The side of first elastic slice (3) offsets with upper casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921176002.0U CN209314098U (en) | 2019-07-25 | 2019-07-25 | Bone-conduction speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921176002.0U CN209314098U (en) | 2019-07-25 | 2019-07-25 | Bone-conduction speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209314098U true CN209314098U (en) | 2019-08-27 |
Family
ID=67682471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921176002.0U Active CN209314098U (en) | 2019-07-25 | 2019-07-25 | Bone-conduction speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209314098U (en) |
-
2019
- 2019-07-25 CN CN201921176002.0U patent/CN209314098U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |