CN209170652U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN209170652U CN209170652U CN201822054839.XU CN201822054839U CN209170652U CN 209170652 U CN209170652 U CN 209170652U CN 201822054839 U CN201822054839 U CN 201822054839U CN 209170652 U CN209170652 U CN 209170652U
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- voice coil
- magnet
- bracket
- iron core
- magnetic
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Abstract
The utility model relates to a kind of loudspeakers, belong to electroacoustic conversion art.Including bracket, iron core and it is flexibly connected the drum paper on the bracket, it further include the first voice coil and the second voice coil being all connected on the bulging paper, the bracket, iron core, the first voice coil and the second voice coil center be respectively positioned on same straight line, and wherein internal diameter of the outer diameter of the first voice coil less than the second voice coil, bracket is the cavity of inner hollow, also vibrates first voice coil and the second voice coil jointly comprising at least one magnetic structure between bracket and iron core to provide magnetic field；It is used to replace single voice coil using double voice coil, keeps sound adjusting range wider, sound type abundant can be shown, adapts to several scenes, further optimize the performance of loudspeaker.Possible magnetic force loses after being changed to double voice coil by single voice coil for compensation, configures magnetic structure respectively between the first voice coil and the second voice coil, and except the second voice coil to enhance magnetic force.
Description
Technical field
The utility model belongs to electroacoustic conversion art more particularly to a kind of loudspeaker.
Background technique
As the vibration component of Microspeaker, when an electrical current is passed through the voice coil, voice coil generates with electric current changing magnetic field,
The effect that the magnetic field of the magnetic circuit system of changing magnetic field and Microspeaker is attracted or repelled causes voice coil to generate mechanical vibration
It moves that the drum paper of Microspeaker is driven to vibrate, the vibration of drum paper pushes air repeatedly and makes a sound, it is seen that voice coil affects
The performance of entire Microspeaker.
The physical characteristic of loudspeaker, such as resonant frequency and maximum vibration height etc. are influenced by voice coil is very big.And
It is all at present single-tone coil structures, the range that voice coil height, weight and impedance can adjust used in major part loudspeaker
It is limited, it is more limited so as to cause the sound frequency that can show of loudspeaker of single-tone circle, in the feelings for pursuing high-quality sound
Under condition, if may cause audio distortions using unmatched loudspeaker.
Utility model content
In view of this, the present invention provides a kind of loudspeaker, sound adjusting range is wide, can show sound abundant
Sound type adapts to several scenes.
The utility model discloses a kind of loudspeakers, including bracket, iron core and are flexibly connected the drum paper on the bracket,
The loudspeaker includes the first voice coil and the second voice coil being all connected on the bulging paper, the bracket, iron core, the first voice coil and
The center of second voice coil is respectively positioned on same straight line, and wherein internal diameter of the outer diameter of the first voice coil less than the second voice coil, bracket
For the cavity of inner hollow, also make first voice coil comprising at least one magnetic structure between bracket and iron core to provide magnetic field
It is vibrated jointly with the second voice coil.
Further, it is provided with the first magnet in the centre of bracket and iron core, the first washer is provided on the first magnet,
First magnet is equal with the outer diameter of the first washer.The center of first magnet and the center of bracket and iron core are located at same straight line
On, the first magnet and the first washer are respectively positioned on the inside of the first voice coil.
Further, it is provided with the second magnet between the first voice coil and the second voice coil, the is provided with except the second voice coil
Three magnet have equally been correspondingly arranged the second washer and third washer, the first magnet, second on the second magnet and third magnet
Magnet and third magnet are pie, and the outer diameter of the first magnet, less than the internal diameter of the second magnet, the outer diameter of the second magnet is small
In the internal diameter of third magnet, the magnetic pole arranged direction of the first magnet and the magnetic pole arranged direction of the second magnet are on the contrary, the first magnet
Magnetic pole arranged direction it is identical as the magnetic pole arranged direction of third magnet.
Further, the magnetic pole arranged direction of first magnet are as follows: top is the pole N, is below the pole S.
Further, the magnetic pole arranged direction of first magnet are as follows: top is the pole S, is below the pole N.
Technical solution provided by the utility model has the benefit that
Due to using double voice coil to be used to replace the single voice coil for connecting drum paper, the weight of two voice coils, height, length and
The physical characteristics such as impedance can be adjusted separately and optimize, while using the difference of double voice coil and drum paper gluing position, be able to
The vibration position for controlling drum paper respectively, keeps sound adjusting range wider, can show sound type abundant, adapt to a variety of fields
Scape further optimizes the performance of loudspeaker.Possible magnetic force loses after being changed to double voice coil by single voice coil for compensation,
Magnetic structure is configured between first voice coil and the second voice coil, and except the second voice coil respectively to enhance magnetic force.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
The protection scope of utility model.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model loudspeaker；
Fig. 2 is that the utility model loudspeaker removes the top view after bulging paper；
Fig. 3 is the sectional view of the utility model loudspeaker.
In figure:
1, bracket；2, iron core；3, drum paper；10, the first voice coil；11, the second voice coil；
21, the first magnet；31, the first washer；22, the second magnet；23, third magnet；
32, the second washer；33, third washer.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Fig. 1 and Fig. 2 are please referred to, the present embodiment provides a kind of loudspeaker, the loudspeaker includes bracket 1, iron core 2 and one
Drum paper 3.Drum paper 3 is arranged at the upside of bracket 1, and iron core 2 is located at the lower section of bracket 1, four circular holes have been symmetrical arranged on iron core 2
As acoustic aperture out, but actually to the number and shape of acoustic aperture out without limitation.Comprising being all connected between bracket 1 and iron core 2
Two voice coils on the bulging paper 3, for the first voice coil 10 and the second voice coil 11 in figure.Bracket 1, iron core 2, the first voice coil 10 and
The center of second voice coil 11 is on the same straight line, and wherein the outer diameter of the first voice coil 10 less than the second voice coil 11 internal diameter,
Bracket 1 is the cavity of inner hollow, also makes this comprising at least one magnetic structure between bracket 1 and iron core 2 to provide magnetic field
First voice coil 10 and the second vibration jointly of voice coil 11, and then the bulging paper 3 is driven to vibrate, in the present embodiment only in bracket 1
It is also illustrated comprising three magnetic structures between iron core 2.
It is provided with the first magnet 21 in the centre of bracket 1 and iron core 2, the first washer 31 is provided on the first magnet 21,
First magnet 21 is equal with the outer diameter of the first washer 31.The center of first magnet 21 is located at same with the center of bracket 1 and iron core 2
On straight line.First magnet 21 and the first washer 31 are respectively positioned on the inside of the first voice coil 10, the first voice coil 10 and the second voice coil 11 it
Between be provided with the second magnet 22, except the second voice coil 11 be provided with third magnet 23, equally in the second magnet 22 and third magnetic
The second washer 32 and third washer 33 have been correspondingly arranged on iron 23.First magnet 21, the second magnet 22 and third magnet 23
It is pie, and the outer diameter of the first magnet 21, less than the internal diameter of the second magnet 22, the outer diameter of the second magnet 22 is less than third magnet
23 internal diameter.
Referring to Fig. 3, the magnetic pole arranged direction of the first magnet 21 and the magnetic pole arranged direction of the second magnet 22 are on the contrary, first
The magnetic pole arranged direction of magnet 21 and the magnetic pole arranged direction of third magnet 23 are identical.
Such as first magnet 21 magnetic pole arranged direction are as follows: be below the pole S when top is the pole N, then the second magnet 22
Magnetic pole arranged direction are as follows: be below the pole N when top is the pole S.With this between the first magnet 21 and the second magnet 22 and
There is magnetic field between two magnet 22 and third magnet 23, these magnetic fields can make to be located at the first magnet 21 and the second magnet 22 it
Between the first voice coil 10 and second voice coil 11 vibration jointly between the second magnet 22 and third magnet 23, and drive the drum
Paper 3 vibrates, and then makes a sound.
Due to using double voice coil to be used to replace the single voice coil for connecting drum paper, the weight of two voice coils, height, length and
The physical characteristics such as impedance can be adjusted separately and optimize, while using the difference of double voice coil and drum paper gluing position, be able to
The vibration position for controlling drum paper respectively, keeps sound adjusting range wider, can show sound type abundant, adapt to a variety of fields
Scape further optimizes the performance of loudspeaker.Possible magnetic force loses after being changed to double voice coil by single voice coil for compensation,
Magnetic structure is configured between first voice coil and the second voice coil, and except the second voice coil respectively to enhance magnetic force.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of loudspeaker including bracket, iron core and is flexibly connected the drum paper on the bracket, it is characterised in that: described to raise
Sound device includes the first voice coil and the second voice coil being all connected on the bulging paper, the bracket, iron core, the first voice coil and the second sound
The center of circle is respectively positioned on same straight line, and wherein for the outer diameter of the first voice coil less than the internal diameter of the second voice coil, bracket is inside
Hollow cavity also makes first voice coil and second comprising at least one magnetic structure between bracket and iron core to provide magnetic field
Voice coil vibrates jointly.
2. loudspeaker according to claim 1, which is characterized in that it is provided with the first magnet in the centre of bracket and iron core,
The first washer is provided on the first magnet, the first magnet is equal with the outer diameter of the first washer, the center of the first magnet and bracket
And the center of iron core is located on the same line, the first magnet and the first washer are respectively positioned on the inside of the first voice coil.
3. loudspeaker according to claim 2, which is characterized in that be provided with the second magnetic between the first voice coil and the second voice coil
Iron is provided with third magnet except the second voice coil, and the second China has equally been correspondingly arranged on the second magnet and third magnet
Department and third washer, the first magnet, the second magnet and third magnet are pie, and the outer diameter of the first magnet is less than the second magnetic
The internal diameter of iron, the outer diameter of the second magnet are less than the internal diameter of third magnet, magnetic pole arranged direction and the second magnet of the first magnet
Magnetic pole arranged direction is on the contrary, the magnetic pole arranged direction of the first magnet and the magnetic pole arranged direction of third magnet are identical.
4. loudspeaker according to claim 3, which is characterized in that the magnetic pole arranged direction of first magnet are as follows: top
It is below the pole S for the pole N.
5. loudspeaker according to claim 3, which is characterized in that the magnetic pole arranged direction of first magnet are as follows: top
It is below the pole N for the pole S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822054839.XU CN209170652U (en) | 2018-12-08 | 2018-12-08 | A kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822054839.XU CN209170652U (en) | 2018-12-08 | 2018-12-08 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209170652U true CN209170652U (en) | 2019-07-26 |
Family
ID=67342724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822054839.XU Active CN209170652U (en) | 2018-12-08 | 2018-12-08 | A kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209170652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383854A (en) * | 2020-11-30 | 2021-02-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound producing device |
| CN117459883A (en) * | 2023-12-21 | 2024-01-26 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
-
2018
- 2018-12-08 CN CN201822054839.XU patent/CN209170652U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112383854A (en) * | 2020-11-30 | 2021-02-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound producing device |
| CN112383854B (en) * | 2020-11-30 | 2022-05-03 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound producing device |
| CN117459883A (en) * | 2023-12-21 | 2024-01-26 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN117459883B (en) * | 2023-12-21 | 2024-04-30 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
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