CN207968900U - A kind of bone conduction vibrator of anti-resonance - Google Patents
A kind of bone conduction vibrator of anti-resonance Download PDFInfo
- Publication number
- CN207968900U CN207968900U CN201820403240.XU CN201820403240U CN207968900U CN 207968900 U CN207968900 U CN 207968900U CN 201820403240 U CN201820403240 U CN 201820403240U CN 207968900 U CN207968900 U CN 207968900U
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- CN
- China
- Prior art keywords
- lower housing
- bone conduction
- resonance
- conductive case
- conduction vibrator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model discloses a kind of bone conduction vibrators of anti-resonance, are related to bone conduction technology field, including：The hollow structure that conductive case and lower housing are constituted, vibrating circuit and conduct vibrations structure are provided in the hollow structure, the vibrating circuit is set on the lower case, the conduct vibrations structure is connected between the conductive case and the vibrating circuit, and the flexible connector for preventing conductive case and the lower casing resonance body is provided between the conductive case and lower housing.Using above-mentioned technical proposal, due to the conduction only vibrated by conduct vibrations structure between conductive case and vibrating circuit, reduce the generation of resonance, flexible connector is set between conductive case and lower housing simultaneously, even if lower housing is made to generate resonance under the drive of vibrating circuit, resonance will not be made to be transmitted on conductive case, thoroughly eliminate resonance, promote the sound quality of bone conduction earphone.
Description
Technical field
The utility model is related to bone conduction technology field, more particularly to a kind of bone conduction vibrator of anti-resonance.
Background technology
General loud speaker is by converting electrical signals to vibration to generate sound wave, and sound wave is by air transmitted to listening
Feel nerve, and bone-conduction speaker is directly conducted later to auditory nerve by bone by converting electrical signals to vibration,
And it is bone conduction earphone based on earphone made of bone-conduction speaker.And most important original paper is exactly that bone passes in bone conduction earphone
Oscillator is led, general bone conduction vibrator easy tos produce resonance in vibration processes, and auditory effect can be influenced by resonating, and be caused back
Sound and noise, influence user experience.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of bone conduction vibrators of anti-resonance, solve in the prior art
The technical issues of bone conduction vibrator resonance causes to influence user experience.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of bone conduction vibrator of anti-resonance, including：The hollow structure that conductive case and lower housing are constituted, described hollow
Vibrating circuit and conduct vibrations structure are provided in structure, the vibrating circuit is set on the lower case, and the vibration passes
Guide structure is connected between the conductive case and the vibrating circuit, is provided between the conductive case and lower housing described
Prevent the flexible connector of conductive case and the lower casing resonance body.
Wherein, the vibrating circuit includes the circuit board being fixed on the lower housing, is set on the circuit board
It is equipped with coil, magnet is movably set in the coil, the magnet is connect with an oscillating plate, circuit board described in the coil
Electrical connection, the oscillating plate are fixedly connected with the conduct vibrations structure.
Further, be provided with soft fixed structure on the lower housing inner wall, the soft fixed structure with it is described
The shape of lower housing is consistent, and the stage casing of the soft fixed structure is provided with annular groove, the thickness of the annular groove with
The thickness of the oscillating plate is identical, and the oscillating plate is accommodated in the annular groove.
Further, the soft fixed structure is silica gel fixed structure.
Further, the soft fixed structure and the lower housing inner wall are be bonded by silica adhesive.
Wherein, the conduct vibrations structure is two conductive posts being set up in parallel, and the two-end thickness of the conductive post is more than
The thickness at middle part.
Wherein, the flexible connector be multiple springs, multiple springs be uniformly arranged in the conductive case and
Between the lower housing.
Wherein, the conductive case is the rectangular configuration that two opposite sides are arc.
Further, the rectangular recess of accommodating circuit board is internally provided in the lower housing.
Wherein, the bottom surface of the lower housing is provided with through-hole.
Using above-mentioned technical proposal, due to only being shaken by conduct vibrations structure between conductive case and vibrating circuit
Dynamic conduction reduces the generation of resonance, while flexible connector being arranged between conductive case and lower housing so that even if lower casing
Body generates resonance under the drive of vibrating circuit, resonance will not be made to be transmitted on conductive case, thoroughly eliminates resonance, promotes bone
Conduct the sound quality of earphone.
Description of the drawings
Fig. 1 is the structural schematic diagram of the bone conduction vibrator of the utility model anti-resonance；
Fig. 2 is the front elevational view of Fig. 1.
In figure, 1- conductive cases, 2- lower housings, 3- spring structures, 4- circuit boards, 5- coils, 6- magnet pieces, 7- metals shake
Movable plate, 8- silica gel fixed structures, 9- conductive posts.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As the first embodiment of the utility model, a kind of bone conduction vibrator of anti-resonance is proposed, as shown in Figure 1, 2, packet
The hollow structure being made of conductive case 1 and lower housing 2 is included, conductive case 1 is the rectangular configuration that two opposite sides are arc.
Lower housing 2 is constituted for two parts, and the upper part of lower housing 2 is consistent with the structure of conductive case 1, and the lower part of lower housing 2
Volume is less than the volume of part on lower housing 2, to form the structure that a side is concave shape.
In the junction of conductive case 1 and lower housing 2, multiple spring structures 3 are evenly provided with, spring structure 3 will pass
It leads shell 1 to detach with lower housing 2 so that the vibration of conductive case 1 will not be transferred to lower housing 2, while the shaking of generating of lower housing 2
It is dynamic to be transferred to conductive case 1, to reduce the generation probability of resonance.It is provided with an accommodating circuit in the bottom of lower housing 2
The rectangular channel of plate 4, circuit board 4 are accommodated in rectangular channel, and are fixed with lower housing 2.
A coil 5 is fixedly installed on circuit board 4, coil 5 is powered by circuit board 4 and generates magnetic field, the setting in coil 5
There are a magnet piece 6, magnet piece not to be contacted with coil, magnet piece is fixedly connected with a metal vibration plate 7 so that when coil 5 is powered,
The difference for the size of current that magnet piece 6 can be generated according to circuit board 4, drives metal vibration plate 7 to vibrate, metal vibration plate 7
Shape is consistent with the shape of the lower part of lower housing 2, and a circle silica gel fixed structure 8, silicon are provided with around metal vibration plate 7
The middle part of glue fixed structure 8 is provided with a ring annular groove, for housing metal vibration plate 7, silica gel fixed structure 8 and lower housing
It is bonded by silica gel bonding agent between 2, silica gel fixed structure 8 can either play the position-limiting action of metal vibration plate 7, will also generate
The metal vibration plate 7 and lower housing 2 of vibration are kept apart, and reduce the conduct vibrations of metal vibration plate 7 to lower housing 2, further
Prevent the generation of resonance.
There are two conductive posts 9, conductive post 9 to use solid metal material for setting between metal vibration plate 7 and conductive case 1
Matter ensures the reliability of the transmission vibration from metal vibration plate 7 to conductive case 1；Further, by the structure at 9 both ends of conductive post
Area increases, to increase conductive contacts area, the weight without increasing oscillator.
Further, the bottom surface of lower housing 2 is set to the combination of multiple dotted through-holes or annular through-hole or the two,
To increase the thermal diffusivity of circuit board, prevent oscillator from overheating.
Using above-mentioned technical proposal, due to only being shaken by conduct vibrations structure between conductive case and vibrating circuit
Dynamic conduction reduces the generation of resonance, while flexible connector being arranged between conductive case and lower housing so that even if lower casing
Body generates resonance under the drive of vibrating circuit, resonance will not be made to be transmitted on conductive case, thoroughly eliminates resonance, promotes bone
Conduct the sound quality of earphone.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the scope of protection of the utility model.
Claims (10)
1. a kind of bone conduction vibrator of anti-resonance, which is characterized in that including：The hollow structure that conductive case and lower housing are constituted,
Vibrating circuit and conduct vibrations structure are provided in the hollow structure, the vibrating circuit is set on the lower case,
The conduct vibrations structure is connected between the conductive case and the vibrating circuit, between the conductive case and lower housing
Being provided with prevents the flexible connector of the conductive case and the lower casing resonance body.
2. the bone conduction vibrator of anti-resonance according to claim 1, it is characterised in that：The vibrating circuit includes that fixation is set
The circuit board on the lower housing is set, coil is provided on the circuit board, magnet is movably set in the coil,
The magnet is connect with an oscillating plate, circuit board electrical connection described in the coil, the oscillating plate and the conduct vibrations structure
It is fixedly connected.
3. the bone conduction vibrator of anti-resonance according to claim 2, it is characterised in that：It is arranged on the lower housing inner wall
There is soft fixed structure, the soft fixed structure is consistent with the shape of the lower housing, in the soft fixed structure
Section is provided with annular groove, and the thickness of the annular groove is identical as the thickness of the oscillating plate, and the oscillating plate is accommodated in institute
It states in annular groove.
4. the bone conduction vibrator of anti-resonance according to claim 3, it is characterised in that：The soft fixed structure is silica gel
Fixed structure.
5. the bone conduction vibrator of anti-resonance according to claim 3, it is characterised in that：The soft fixed structure with it is described
Lower housing inner wall is bonded by silica adhesive.
6. the bone conduction vibrator of anti-resonance according to claim 1, it is characterised in that：The conduct vibrations structure is two
The conductive post being set up in parallel, the two-end thickness of the conductive post are more than the thickness at middle part.
7. the bone conduction vibrator of anti-resonance according to claim 1, it is characterised in that：The flexible connector is multiple bullets
Spring, multiple springs are uniformly arranged between the conductive case and the lower housing.
8. the bone conduction vibrator of anti-resonance according to claim 1, it is characterised in that：The conductive case is the two of opposite direction
Side is the rectangular configuration of arc.
9. the bone conduction vibrator of anti-resonance according to claim 2, it is characterised in that：It is internally provided in the lower housing
House the rectangular recess of the circuit board.
10. the bone conduction vibrator of anti-resonance according to claim 1, it is characterised in that：It is set in the bottom surface of the lower housing
It is equipped with through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403240.XU CN207968900U (en) | 2018-03-23 | 2018-03-23 | A kind of bone conduction vibrator of anti-resonance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820403240.XU CN207968900U (en) | 2018-03-23 | 2018-03-23 | A kind of bone conduction vibrator of anti-resonance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968900U true CN207968900U (en) | 2018-10-12 |
Family
ID=63725088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820403240.XU Expired - Fee Related CN207968900U (en) | 2018-03-23 | 2018-03-23 | A kind of bone conduction vibrator of anti-resonance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988700A (en) * | 2020-06-30 | 2020-11-24 | 联想(北京)有限公司 | Electronic equipment and method for fixing audio output equipment |
-
2018
- 2018-03-23 CN CN201820403240.XU patent/CN207968900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988700A (en) * | 2020-06-30 | 2020-11-24 | 联想(北京)有限公司 | Electronic equipment and method for fixing audio output equipment |
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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: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |