CN209710309U - A kind of bone conduction vibrator loudspeaker - Google Patents
A kind of bone conduction vibrator loudspeaker Download PDFInfo
- Publication number
- CN209710309U CN209710309U CN201920744267.XU CN201920744267U CN209710309U CN 209710309 U CN209710309 U CN 209710309U CN 201920744267 U CN201920744267 U CN 201920744267U CN 209710309 U CN209710309 U CN 209710309U
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- China
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- magnet
- shell
- center pillar
- pcb board
- bone conduction
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Abstract
The utility model discloses a kind of bone conduction vibrator loudspeakers, including shell, magnet, coil, center pillar and cover, the magnet includes the first magnet and U-shaped magnet, the bottom of U-shaped magnet installation inside the housing, first magnet is laid on U-shaped magnet top and the top of the first magnet and is equipped with magnetic conduction sheet, it is connected in shell on pcb board and pcb board and is connected with lead, center pillar is covered on the top of magnetic conduction sheet and center pillar lower part and is connected with coil, lead is connected with coil, is provided with through-hole on magnetic conduction sheet, the first magnet and U-shaped magnet.Through-hole structure has been used above by cover, center pillar, shell, magnetic conduction sheet, the first magnet and U-shaped magnet in this product, achievees the purpose that reduce leakage sound；This product is connected with weld tabs, pcb board or FPCB plate, lead inside the shell and is first welded to above weld tabs, then is transferred on the circuit board of finished product by electric wire, and it is secured to reach bonding wire, is easy switching, the purpose of strong antijamming capability.
Description
Technical field
The utility model relates to osteoacusis field, specifically a kind of bone conduction vibrator loudspeaker.
Background technique
Osteoacusis is a kind of mode that sound wave is transmitted to inner ear: sound wave directly makes perilymph that corresponding wave occur through skull approach
It is dynamic, and the spiral organ of exciting cochlea generates the sense of hearing.Existing osteoacusis product such as bone conduction earphone, osteoacusis glasses, osteoacusis
The leakage sound such as mask is serious, and when listening to music or making a phone call, bystander can clearly hear sound, both have leaked user
Privacy, and disturb the life of other people, the phenomenon that osteoacusis finished product generates serious leakage sound, significant portion was the reason is that because it is adopted
Bone conduction vibrator loudspeaker itself leaks sound.
Bone conduction vibrator loudspeaker be by vibration is communicated directly to the bone of human body (mainly the skull, tooth of people,
Shoulder clavicle etc.), sound mainly reaches inner ear in a manner of solid conduction, to feel sound, putting on bone conduction earphone can be with
The sound in the sound and earphone in environment is clearly heard simultaneously, for example can appreciate music when running can clearly listen again
To the sound in the environment such as automobile, bicycle.
But existing bone conduction vibrator loudspeaker itself leaks that sound is serious, the finished product of assembling is being listened to music or is being made a phone call
When, bystander can clearly hear sound, not only have leaked the privacy of user, but also disturb bystander；Lead is too thin,
Welding difficulty, and it is easy to appear the quality problem of broken string open circuit, this is just that the use of people brings inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of bone conduction vibrator loudspeakers, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of bone conduction vibrator loudspeaker, including shell, magnet, coil, center pillar and cover, the magnet include the first magnetic
Iron and U-shaped magnet, the bottom of U-shaped magnet installation inside the housing, the first magnet are laid on U-shaped magnet top and the first magnet
Top magnetic conduction sheet is installed, be connected in shell on pcb board and pcb board and be connected with lead, center pillar is covered on magnetic conduction sheet
Top and center pillar lower part is connected with coil, lead is connected with coil, and cover is set in center pillar upper end, magnetic conduction sheet, the first magnet
It is provided with through-hole on U-shaped magnet, the front of the magnetic circuit combination with through-hole and the sound wave major part acoustic phase of back side radiant
It is just opposite, it may occur that acoustic short circuit phenomenon achievees the purpose that reduce leakage sound, can also make area of acoustic radiation itself is opposite to reduce
, also can achieve the purpose that leakage sound is reduced in part.
As a further solution of the present invention: it is provided with through-hole on cover, center pillar and shell, the cover with through-hole
The front of combination is just opposite with the sound wave major part acoustic phase of back side radiant, it may occur that acoustic short circuit phenomenon reaches reduction leakage
The purpose of sound, can also make area of acoustic radiation itself relatively reduce, and also can achieve the purpose that leakage sound is reduced in part.
As a further solution of the present invention: cover and center pillar are non-using plastics, copper material, aluminium, silica gel, rubber etc.
The material of magnetic conduction makes, and shell is made of plastic material, will not influence magnetic field.
As a further solution of the present invention: pcb board is fixed inside the shell and using brocade by the way of bonding
Silk thread or electric wire are transferred on the circuit board of finished product, and it is secured to reach bone conduction vibrator loudspeaker bonding wire, are easy switching, are resisted dry
Disturb the strong purpose of ability.
As a further solution of the present invention: pcb board could alternatively be weld tabs.
As a further solution of the present invention: pcb board is fixed inside the shell by the way of injection molding, so that connection jail
Solidity is more preferable.
Compared with prior art, the utility model has the beneficial effects that
First, this product design is reasonable, by adopting above cover, center pillar, shell, magnetic conduction sheet, the first magnet and U-shaped magnet
With through-hole structure, so that front is just opposite with the sound wave major part acoustic phase of back side radiant, it may occur that acoustic short circuit phenomenon,
Achieve the purpose that reduce leakage sound；On the other hand due to using via design, so that the area of acoustic radiation itself relatively reduces,
It can achieve the purpose that leakage sound is reduced in part；
Second, this product uses shell around U-shaped magnet, is connected with weld tabs, pcb board or FPCB plate inside the shell,
Lead is first welded to weld tabs, pcb board and is perhaps transferred to again by relatively thick stronger bright and beautiful silk thread or electric wire above FPCB plate
On the circuit board of finished product, it is secured that bone conduction vibrator loudspeaker bonding wire is reached by this innovative design, is easy switching, anti-interference energy
The strong purpose of power has wide prospect of the application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of bone conduction vibrator loudspeaker.
Fig. 2 is a kind of structural schematic diagram of existing bone conduction vibrator loudspeaker.
Fig. 3 is another structural schematic diagram of existing bone conduction vibrator loudspeaker.
Fig. 4 is the structural schematic diagram of cover in bone conduction vibrator loudspeaker.
Fig. 5 is the structural schematic diagram of the center pillar in bone conduction vibrator loudspeaker.
Fig. 6 is the structural schematic diagram of another magnetic circuit combination in bone conduction vibrator loudspeaker.
Wherein: 1- cover, 2- center pillar, 3- shell, 4- elastic slice, the first magnet of 5-, 6- magnetic conduction sheet, 7- coil, 8-U type magnetic
Iron, 9-PCB plate, 10- lead.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of bone conduction vibrator loudspeaker, including shell 3, magnet, coil 7, center pillar 2 and cover 1, the magnet include the
One magnet 5 and U-shaped magnet 8, U-shaped magnet 8 are mounted on the bottom inside shell 3, and the first magnet 5 is laid on U-shaped 8 top of magnet simultaneously
And first the top of magnet 5 magnetic conduction sheet 6 is installed, be connected in shell 3 on pcb board 9 and pcb board 9 and be connected with lead 10, in
Column 2 is covered on the top of magnetic conduction sheet 6 and 2 lower part of center pillar and is connected with coil 7, and lead 10 is connected with coil 7, and cover 1 is set in
2 upper end of center pillar is provided with through-hole, magnetic conduction sheet 6, the first magnet 5 and U-shaped magnetic on magnetic conduction sheet 6, the first magnet 5 and U-shaped magnet 8
Iron 8 forms a kind of magnetic circuit combination, and the front of this combination and the sound wave major part acoustic phase of back side radiant are just on the contrary, can send out
Raw acoustic short circuit phenomenon achievees the purpose that reduce leakage sound, also can area of acoustic radiation itself be relatively reduced, also can achieve
Reduce the purpose of leakage sound in part.
Through-hole is provided on cover 1, center pillar 2 and shell 3, the front of this combination and the sound wave of back side radiant are most of
Acoustic phase is just opposite, it may occur that acoustic short circuit phenomenon achievees the purpose that reduce leakage sound, can also make area of acoustic radiation itself
It relatively reduces, also can achieve the purpose that leakage sound is reduced in part.
Cover 1 and center pillar 2 are made of the non-magnetic material such as plastics, copper material, aluminium, silica gel, rubber, and shell 3 uses
Plastic material production, will not influence magnetic field.
Pcb board 9 is fixed in shell 3 by the way of bonding and is transferred to finished product using bright and beautiful silk thread or electric wire
On circuit board, it is secured to reach bone conduction vibrator loudspeaker bonding wire, is easy switching, the purpose of strong antijamming capability.
Embodiment 2
A kind of bone conduction vibrator loudspeaker, including shell 3, magnet, coil 7, center pillar 2 and cover 1, the magnet include the
One magnet 5 and U-shaped magnet 8, U-shaped magnet 8 are mounted on the bottom inside shell 3, and the first magnet 5 is laid on U-shaped 8 top of magnet simultaneously
And first the top of magnet 5 magnetic conduction sheet 6 is installed, using pcb board 9 is connected with by the way of being molded in shell 3, so that being connected firmly
Property it is more preferable, and lead 10 is connected on pcb board 9, center pillar 2 is covered on the top of magnetic conduction sheet 6 and the connection of 2 lower part of center pillar is wired
Circle 7, lead 10 is connected with coil 7, and cover 1 is set in 2 upper end of center pillar, is all provided on magnetic conduction sheet 6, the first magnet 5 and U-shaped magnet 8
It is equipped with through-hole, the front of this combination is just opposite with the sound wave major part acoustic phase of back side radiant, it may occur that acoustic short circuit is existing
As achieving the purpose that reduce leakage sound, can also area of acoustic radiation itself be made to relatively reduce, also can achieve part and reduce leakage
The purpose of sound.
Embodiment 3
A kind of bone conduction vibrator loudspeaker, including shell 3, magnet, coil 7, center pillar 2 and cover 1, the magnet include the
One magnet 5 and U-shaped magnet 8, U-shaped magnet 8 are mounted on the bottom inside shell 3, and the first magnet 5 is laid on U-shaped 8 top of magnet simultaneously
And first the top of magnet 5 magnetic conduction sheet 6 is installed, be connected in shell 3 on weld tabs and weld tabs and be connected with lead 10, center pillar 2
It is covered on the top of magnetic conduction sheet 6 and 2 lower part of center pillar and is connected with coil 7, lead 10 is connected with coil 7, and cover 1 is set in center pillar
2 upper ends are provided with through-hole, the front of this combination and the sound wave major part sound of back side radiant on cover 1, center pillar 2 and shell 3
Wave phase is just opposite, it may occur that acoustic short circuit phenomenon achievees the purpose that reduce leakage sound, can also make area of acoustic radiation phase itself
To reducing, the purpose that leakage sound is reduced in part also can achieve.
Cover and center pillar are made of the non-magnetic material such as plastics, copper material, aluminium, silica gel, rubber, are also possible to shock insulation
The better material of effect, soundproof effect can be more preferable, and shell is made of plastic material, will not influence magnetic field.
The working principle of the utility model is: this product is in cover 1, center pillar 2, shell 3, magnetic conduction sheet 6, the first magnet 5, U
Through-hole structure design has been used above in type magnet 8, or individually adopts on magnetic conduction sheet 6, the first magnet 5, U-shaped magnet 8 combine
With through-hole structure design, or through-hole structure design individually is used above in cover 1, center pillar 2, shell 3, due to this bone
Using all-pass hole, perhaps partial through holes design association when bone-conduction speaker plays music or also acoustic signal to conduction speaker
Air in the sound that conducts leak sound (sound wave conducted in the air that i.e. general ear-drum is heard), the sound wave of this part passes through band
When the cover of through-hole or magnetic circuit combination with through-hole, front and most of acoustic phase at the back side are just on the contrary, so this portion
Acoustic short circuit phenomenon will occur for the sound wave for dividing the air of opposite in phase to lead, so that the sound wave for leading air is reduced, reach reduction leakage
The purpose of sound；On the other hand through-hole sets since this bone-conduction speaker radiates cover and center pillar or magnetic circuit combination radiation face
Meter also can achieve the purpose that leakage sound is reduced in part so that the area of acoustic radiation itself relatively reduces.
8 periphery of U-shaped magnet of bone conduction vibrator loudspeaker of the invention increases new shelling machine, and (what is be mentioned herein is outer
Shell be also possible to silica gel, rubber etc. it is other can shape with set of shells), be not specified in U-shaped magnet 8 or herein
The periphery of other style magnetic circuit combinations puts on shell 3.3 the inside of shell, half packet has been molded the weld tabs of switching lead 10, or outer
Shell 3 has been bonded the pcb board 9 or FPCB plate of switching lead 10 above.Lead 10 is general relatively thin more fragile, and lead 10 can be welded first
This weld tabs, pcb board 9 is connected to perhaps to be transferred to by relatively thick stronger bright and beautiful silk thread or electric wire again above FPCB plate
On the circuit board of product, lead welds rear gluing with weld tabs, pcb board 9 or FPCB plate and fixes, and reaches bone by this innovative design
It is secured to conduct oscillator loudspeaker bonding wire, is easy switching, the purpose of strong antijamming capability.
It should be strongly noted that effectively being solved in the application by the cooperation of through-hole structure and shell 3 and pcb board 9
The leakage sound of existing bone conduction vibrator loudspeaker, the lead welding difficulty of having determined and the problem of be easy to appear broken string open circuit.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of bone conduction vibrator loudspeaker, which is characterized in that including shell (3), magnet, coil (7), center pillar (2) and cover
(1), the magnet includes the first magnet (5) and U-shaped magnet (8), and U-shaped magnet (8) is mounted on the internal bottom of shell (3), the
One magnet (5) is laid on U-shaped magnet (8) top and the top of the first magnet (5) and is equipped with magnetic conduction sheet (6), connects in shell (3)
It is connected on pcb board (9) and pcb board (9) and is connected with lead (10), center pillar (2) is covered on the top of magnetic conduction sheet (6) and center pillar
(2) lower part is connected with coil (7), and lead (10) is connected with coil (7), and cover (1) is set in center pillar (2) upper end, magnetic conduction sheet
(6), through-hole is provided on the first magnet (5) and U-shaped magnet (8).
2. bone conduction vibrator loudspeaker according to claim 1, which is characterized in that the cover (1), center pillar (2) and outer
Shell is provided with through-hole on (3).
3. bone conduction vibrator loudspeaker according to claim 1, which is characterized in that the cover (1) and center pillar (2) use
Non-magnetic material production, shell (3) are made of plastic material.
4. bone conduction vibrator loudspeaker according to claim 1 or 3, which is characterized in that the pcb board (9) is using bonding
Mode be fixed in shell (3) and be transferred on the circuit board of finished product using bright and beautiful silk thread or electric wire.
5. bone conduction vibrator loudspeaker according to claim 1, which is characterized in that the pcb board (9) replaces with weld tabs.
6. bone conduction vibrator loudspeaker according to claim 1 or 2, which is characterized in that the pcb board (9) is using injection molding
Mode be fixed in shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920744267.XU CN209710309U (en) | 2019-05-22 | 2019-05-22 | A kind of bone conduction vibrator loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920744267.XU CN209710309U (en) | 2019-05-22 | 2019-05-22 | A kind of bone conduction vibrator loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710309U true CN209710309U (en) | 2019-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920744267.XU Expired - Fee Related CN209710309U (en) | 2019-05-22 | 2019-05-22 | A kind of bone conduction vibrator loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209710309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126592A1 (en) * | 2020-12-18 | 2022-06-23 | 深圳市韶音科技有限公司 | Acoustic output apparatus |
-
2019
- 2019-05-22 CN CN201920744267.XU patent/CN209710309U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126592A1 (en) * | 2020-12-18 | 2022-06-23 | 深圳市韶音科技有限公司 | Acoustic output apparatus |
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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: 20191129 Termination date: 20210522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |