CN212278425U - Bone conduction earphone based on flat plate type vibration unit - Google Patents
Bone conduction earphone based on flat plate type vibration unit Download PDFInfo
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- CN212278425U CN212278425U CN202020850570.0U CN202020850570U CN212278425U CN 212278425 U CN212278425 U CN 212278425U CN 202020850570 U CN202020850570 U CN 202020850570U CN 212278425 U CN212278425 U CN 212278425U
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Abstract
The utility model relates to a bone conduction earphone based on flat vibration unit, it includes main support and two sound production units based on flat vibration unit, wherein sound production unit is flat vibration unit, flat vibration unit includes shell, stator support, magnetic pole, vibrating diaphragm support, vibrating diaphragm, coil, support vibration frame, back lid and the piece that shakes, the magnetic pole is at least one column magnet, the column magnet has at least one surface, the surface orientation the vibrating diaphragm sets up, the piece that shakes be used for with the vibration of vibrating diaphragm is to user's skull transmission. The utility model discloses a flat vibration unit has increased sound generating unit's vibration output as bone conduction earphone's sound generating unit, has improved its high frequency vibration ability and low frequency expression power, has synthesized the transaudient effect that has strengthened bone conduction earphone.
Description
Technical Field
The utility model relates to a bone conduction earphone field especially relates to a bone conduction earphone based on flat vibration unit.
Background
Bone conduction is a conduction mode that people receive sound signals, and sound passes through the skull, the bone labyrinth, inner ear lymph, the spiral organ, the auditory nerve, and the auditory center of people transmits and receives sound signals, has saved the transmission link of sound in the air in the mode that sound passes through air vibration afferent people's ear for sound signals can be clearly reduced in noisy background environment.
The bone conduction earphone is an earphone designed and manufactured by utilizing a bone conduction technology, is commonly used in the field of hearing aids, sport earphones and special earphones for military police in a special sound conduction mode and a special use mode, and has the advantages of less distortion, capability of liberating ears, easiness in wearing and the like.
The existing bone conduction earphone is based on a moving coil type loudspeaker structure, an external structure is directly driven by the movement of an electrified coil in a magnetic field to apply vibration to the skull of a user, the vibration is limited by the power output capability of the moving coil and the input requirement of human bones on vibration excitation, the high-frequency vibration frequency is limited, and the bass performance is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art structural shortcoming, provide a bone conduction earphone based on flat vibration unit, including main support and two sound production units, the main support is the U type, two sound production units connect respectively in the U type both ends of main support, the sound production unit includes flat vibration unit, flat vibration unit includes shell, stator support, magnetic pole, vibrating diaphragm support, vibrating diaphragm, coil, a support frame that shakes, back lid and the piece that shakes, the magnetic pole is at least one column magnet, the column magnet has at least one surface in plane, the surface in plane orientation the vibrating diaphragm sets up, the piece that shakes be used for with the vibration of vibrating diaphragm is to user's skull transmission.
Preferably, the stator support, the magnetic pole and the diaphragm support are respectively provided with two groups; the magnetic pole is fixed on the stator support, and the coil is arranged on the diaphragm.
Preferably, the rear cover is provided with a through hole for the vibrating sheet to move vertically to the surface of the rear cover.
Preferably, the stator support and the diaphragm support are both rigid frame structures;
preferably, the flat plate type vibration unit is arranged in the order of the housing, the first stator support, the first diaphragm support, the diaphragm, the second diaphragm support, and the back cover.
Preferably, a vibration guide structure extending towards the center of the vibrating diaphragm is arranged on the second vibrating diaphragm support, the vibration guide structure is in contact with the vibrating diaphragm, and the vibrating piece is fixedly connected with the vibration guide structure through the vibrating support.
The utility model discloses breakthroughly adopt flat vibration unit as the sound producing unit of bone conduction earphone, increased sound producing unit's vibration output, improved its high frequency vibration ability and low frequency expression, extended the output frequency range, synthesized the transaudient effect that has strengthened bone conduction earphone.
Drawings
Fig. 1 is a perspective view of a bone conduction earphone according to an embodiment of the present invention;
FIG. 2 is an exploded view of a flat plate vibration unit according to an embodiment of the present invention;
FIG. 3 is an axial sectional view of a flat plate type vibration unit according to an embodiment of the present invention;
fig. 4 is a front view of a second stator frame according to an embodiment of the present invention.
Wherein:
the device comprises a main support-1, a sound generating unit-3, a flat plate type vibration unit-32, a shell-321, a magnetic pole-322, a first stator support-323, a first diaphragm support-324, a diaphragm-325, a coil-3251, a second diaphragm support-326, a vibration guide structure-3261, a second stator support-327, a vibration support-328, a vibrating sheet-329 and a rear cover-330.
Detailed Description
Referring to fig. 1, fig. 1 is a perspective view of a bone conduction earphone according to an embodiment of the present invention. The embodiment provides a bone conduction earphone based on a flat plate type vibration unit, which comprises a main support 1 and two sound production units 3, wherein the main support 1 is U-shaped, and the two sound production units 3 are respectively connected to two U-shaped ends of the main support 1;
referring to fig. 2 to 4, wherein fig. 2 is an exploded view of a flat plate type vibration unit according to an embodiment of the present invention, fig. 3 is an axial sectional view of the flat plate type vibration unit according to the embodiment of the present invention, and fig. 4 is a front view of a second stator bracket according to the embodiment of the present invention. The sound generating unit 3 comprises a flat plate type vibration unit 32, the flat plate type vibration unit 32 comprises a shell 321, a stator support, a magnetic pole 322, a diaphragm support, a diaphragm 325, a coil 3251, a support vibration support 328, a rear cover 330 and a vibration plate 329, the magnetic pole 322 is at least one columnar magnet, the columnar magnet is provided with at least one plane outer surface, the plane outer surface is arranged towards the diaphragm 325, and the vibration plate 329 is used for transmitting the vibration of the diaphragm 325 to the skull of a user.
Two groups of stator brackets, two groups of magnetic poles 322 and two groups of vibrating diaphragm 325 brackets are respectively arranged;
the magnetic pole 322 is fixed on the stator bracket, and the coil 3251 is arranged on the diaphragm 325;
the rear cover 330 is provided with a through hole for the vibrating sheet 329 to act vertically to the surface of the rear cover 330;
the stator support and the vibrating diaphragm support are both rigid frame structures;
the flat plate type vibration unit 32 is arranged in order of a case 321, a first stator frame 323, a first diaphragm frame 324, a diaphragm 325, a second diaphragm frame 326, a second stator frame 327, and a back cover 330.
The second diaphragm support 326 is provided with a vibration guide structure 3261 extending towards the center of the diaphragm 325, the vibration guide structure 3261 is in contact with the diaphragm 325, and the vibrating plate 329 is fixedly connected with the vibration guide structure 3261 through the vibration support 328.
In the embodiment, the sound generating unit 3 based on the flat plate type vibration unit 32 is adopted, the vibration guide structure 3261 transmits the vibration of the vibrating diaphragm to the vibrating plate 329 through the supporting vibration member 328, and the vibrating plate 329 is used for transmitting the vibration of the vibrating diaphragm 325 to the skull of the user, so that the vibration output power of the sound generating unit 3 is increased, the high-frequency vibration capability and the low-frequency expressive force of the sound generating unit are improved, the output frequency range is expanded, and the sound transmission effect of the bone conduction earphone is comprehensively enhanced.
Claims (6)
1. The utility model provides a bone conduction earphone based on flat vibrating element, includes main support and two sound producing unit, the main support is the U type, two sound producing unit connect respectively in the U type both ends of main support, its characterized in that: the sound production unit comprises a flat plate type vibration unit, the flat plate type vibration unit comprises a shell, a stator support, a magnetic pole, a vibrating diaphragm support, a vibrating diaphragm, a coil, a vibrating support, a rear cover and a vibrating sheet, the magnetic pole is at least one columnar magnet, the columnar magnet is provided with at least one plane outer surface, the plane outer surface faces the vibrating diaphragm, and the vibrating sheet is used for transmitting the vibration of the vibrating diaphragm to the skull of a user.
2. The bone-conduction headset based on a flat plate type vibration unit according to claim 1, wherein: the stator bracket, the magnetic pole and the diaphragm bracket are respectively provided with two groups; the magnetic pole is fixed on the stator support, and the coil is arranged on the diaphragm.
3. The bone-conduction headset based on a flat plate type vibration unit according to claim 1, wherein: the rear cover is provided with a through hole for the vibrating sheet to move vertically to the surface of the rear cover.
4. The bone-conduction headset based on a flat plate type vibration unit according to claim 1, wherein: and the stator support and the vibrating diaphragm support are both rigid frame structures.
5. The bone-conduction headset based on a flat plate type vibration unit according to claim 2, wherein: the flat plate type vibration unit is arranged according to the sequence of the shell, the first stator support, the first diaphragm support, the diaphragm, the second diaphragm support and the rear cover.
6. The bone-conduction headset based on a flat plate type vibration unit according to claim 5, wherein: the second vibrating diaphragm support is provided with a vibration guide structure extending towards the center of the vibrating diaphragm, the vibration guide structure is in contact with the vibrating diaphragm, and the vibrating piece is fixedly connected with the vibration guide structure through the vibrating support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850570.0U CN212278425U (en) | 2020-05-20 | 2020-05-20 | Bone conduction earphone based on flat plate type vibration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020850570.0U CN212278425U (en) | 2020-05-20 | 2020-05-20 | Bone conduction earphone based on flat plate type vibration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212278425U true CN212278425U (en) | 2021-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020850570.0U Active CN212278425U (en) | 2020-05-20 | 2020-05-20 | Bone conduction earphone based on flat plate type vibration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212278425U (en) |
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2020
- 2020-05-20 CN CN202020850570.0U patent/CN212278425U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 2 / F, North building, 1339 Shuixiu Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: HEAD-DIRECT (KUNSHAN) Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Patentee before: Kunshan Haifeiman Technology Group Co.,Ltd. |
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| CP03 | Change of name, title or address |