CN218603616U

CN218603616U - Novel bone conduction device with air conduction function

Info

Publication number: CN218603616U
Application number: CN202222691152.3U
Authority: CN
Inventors: 陈广标
Original assignee: Shenzhen Fu Tong Ying Technology Co ltd
Current assignee: Shenzhen Fu Tong Ying Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-10
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a novel bone conduction device with gas conduction function, including vibration mechanism and magnetic circuit mechanism, magnetic circuit mechanism includes the U iron and locates in the U iron and be formed with accommodation space's magnet with U iron inner wall interval certain distance, vibration mechanism includes the support, the trembler, the connecting axle, voice coil loudspeaker voice coil and sound membrane, on trembler and sound membrane interval certain distance located the support, the voice coil loudspeaker voice coil is connected the trembler and is stretched into in the accommodation space, the utility model discloses a with the connecting axle simultaneously with the sound membrane, trembler and magnetic circuit mechanism rigid connection for when magnetic circuit mechanism and voice coil loudspeaker voice coil interact produce vibration signal, drive trembler and sound membrane synchronous vibration through the connecting axle, make the sound membrane synchronous with the vibration signal that the trembler received, and for current indirect mode drive sound membrane vibration sound production can be effectual the vibration range that promotes the sound membrane, avoided sound membrane indirect receiving vibration signal to lead to its actually received vibration signal's intensity to be less than the vibration signal intensity of trembler transmission.

Description

Novel bone conduction device with air conduction function

Technical Field

The utility model relates to a bone conduction technical field especially relates to a novel bone conduction device with gas conduction function.

Background

Bone conduction is a mode of sound wave conduction to inner ear, directly make perilymph take place corresponding fluctuation with the sound wave through the skull route, and the spiral ware that moves the cochlea produces the sense of hearing, among the prior art, bone conduction device not only can realize the transmission of vibration signal, some can also realize the transmission of sound signal, but current bone conduction device that can realize sound signal transmission often drives the casing vibration when the trembler vibration of rigid connection in the casing, and drive the vibration of sound membrane through the casing vibration, the vibration signal that the sound membrane received derives from the trembler indirectly through the casing, the mode of this kind of indirect transmission vibration signal can lead to the vibration signal that the sound membrane received to have certain delay for the vibration signal of trembler transmission, and also there is certain weakening in the amplitude, the bass effect that the sound membrane sent has been influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a novel bone conduction device capable of effectively increasing the synchronization degree between the diaphragm vibration and the vibration plate vibration, so as to reduce the delay degree between the vibration signal received by the diaphragm and the vibration signal transmitted by the vibration plate.

The utility model provides a novel bone conduction device with gas conduction function, the device is including vibration mechanism and magnetic circuit mechanism, magnetic circuit mechanism includes magnet and U iron, magnet is located in the U iron and with U iron inside wall interval certain distance is formed with accommodation space, vibration mechanism includes support, trembler, connecting axle, voice coil loudspeaker voice coil and sound membrane, the trembler with sound membrane interval certain distance is located on the support, the voice coil loudspeaker voice coil is connected the trembler is kept away from one side and the at least part of sound membrane stretch into in the accommodation space, the connecting axle simultaneously with the sound membrane the trembler and magnetic circuit mechanism rigid connection.

Further, the voice diaphragm with the voice coil loudspeaker voice coil is circular structure, the support include with the first installation department that the voice diaphragm corresponds and with the second installation department that the trembler corresponds, wherein, first installation department with the second installation department sets up with one heart, just the connecting axle is connected respectively the voice diaphragm with the centre of a circle position of voice coil loudspeaker voice coil.

Further, the connecting shaft is connected to the central axis of the magnet.

Further, the connecting shaft penetrates through the magnet to be connected with the U-shaped iron.

Further, the support includes the third installation department, the third installation department is used for installing the PCB keysets, the positive negative pole of voice coil loudspeaker voice coil respectively with the PCB keysets is connected.

Furthermore, the magnetic circuit mechanism further comprises a washer, and the washer is covered on the magnet and positioned on one side of the magnet close to the vibrating plate.

Furthermore, a gasket is arranged between the washer and the vibrating plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a will the connecting axle simultaneously with the sound membrane the trembler and magnetic circuit mechanism rigid connection makes magnetic circuit mechanism with when voice coil loudspeaker voice coil interact produced vibration signal, through the connecting axle drives the trembler with sound membrane synchronous vibration basically makes the sound membrane with the trembler is received vibration signal synchronous basically to can effectual promotion for the mode that current indirect mode drove sound membrane vibration sound production the vibration range of sound membrane has avoided sound membrane indirect reception vibration signal leads to its actual receipt vibration signal's intensity is less than the trembler transmission vibration signal intensity.

Drawings

Fig. 1 is a sectional view of an embodiment of the present invention.

Fig. 2 is a schematic view of an embodiment of the vibrating plate of the present invention.

Fig. 3 is a schematic view of a specific embodiment of the connecting shaft of the present invention.

Fig. 4 is a schematic view of an embodiment of the stent of the present invention.

Fig. 5 is a schematic diagram of a specific embodiment of the PCB interposer of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that unless expressly specified or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and include, for example, fixed and removable connections as well as integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, the present invention provides a novel bone conduction device 100 with air conduction function, the device 100 includes a vibration mechanism 10 and a magnetic circuit mechanism 20, the vibration mechanism 10 and the magnetic circuit mechanism 20 are all disposed in a casing (not shown), and in a power-on state, the vibration mechanism 10 receives external audio information and cooperates with the magnetic circuit mechanism 20 to convert the audio into a vibration signal for transmission.

The magnetic circuit mechanism 20 comprises a magnet 21 and a U-shaped iron 22, wherein the magnet 21 is arranged in the U-shaped iron 22 and forms an accommodating space 23 at a certain distance from the inner side wall of the U-shaped iron 22.

Specifically, U iron 22 is for having cylindrical blind hole structure, magnet 21 is cylindrical structure, magnet 21 is located in the U iron 22 and with the inside wall interval certain distance of U iron 22 is in order to form accommodation space 23.

Referring to fig. 2-5 in conjunction with fig. 1, the vibration mechanism 10 includes a bracket 11, a vibration plate 12, a connecting shaft 13, a voice coil 14 and a voice diaphragm 15, the vibration plate 12 and the voice diaphragm 15 are disposed on the bracket 11 at a certain distance, and the voice coil 14 is connected to a side of the vibration plate 12 away from the voice diaphragm 15 and at least partially extends into the accommodating space 23.

The connecting shaft 13 is rigidly connected to the diaphragm 15, the vibrating reed 12 and the magnetic circuit mechanism 20 at the same time, so that when the voice coil 14 receives an external audio signal, the voice coil interacts with the magnetic circuit mechanism 20 to generate a corresponding vibration signal, and the vibration signal is transmitted to the vibrating reed 12 and the diaphragm 15 substantially synchronously through the connecting shaft 13, so that the diaphragm 15 and the vibrating reed 12 can receive the vibration signal substantially synchronously.

After the vibration signal is received by the vibration plate 12, the vibration signal is transmitted to the user through the housing, so that the user can receive the vibration signal in a bone conduction manner and finally generate hearing through a spiral device of a cochlea.

When the sound film 15 receives the vibration signal, it will vibrate synchronously, and the vibration will drive the surrounding air to vibrate to generate sound, so that the user can receive the sound in a manner of air conduction.

By arranging the connecting shaft 13, the vibration signal can be effectively and directly transmitted to the vibrating reed 12 and the sound film 15 in a substantially synchronous manner, and the time for the sound film 15 to receive the vibration signal relative to the time for the vibrating reed 12 to receive the vibration signal is reduced, so that the degree of synchronization between the vibration sounding of the sound film 15 and the outward continuous transmission of the vibration signal by the vibrating reed 12 is effectively improved, the intensity of the sound film 15 to receive the vibration signal can also be effectively improved, the intensity attenuation of the vibration signal caused by indirect transmission is reduced, the vibration amplitude of the sound film 15 is closer to the actually generated vibration signal, and the sound film 15 can better restore the bass of the audio.

In one embodiment, the diaphragm 15 and the voice coil 14 are both circular structures, and the bracket 11 includes a first mounting portion 111 corresponding to the diaphragm 15 and a second mounting portion 112 corresponding to the vibration plate 12, wherein the first mounting portion 111 and the second mounting portion 112 are concentrically arranged, and the connecting shaft 13 is connected to the center positions of the diaphragm 15 and the voice coil 14, respectively.

Specifically, the whole bracket 11 is a hollow columnar structure, and the first mounting portion 111 and the second mounting portion 112 are disposed at two ends of the bracket 11.

Further, the support 11 still includes third installation department 113, third installation department 113 is located the outside of support 11 for install the PCB keysets 30, the positive negative pole of voice coil 14 respectively with the PCB keysets 30 are connected.

Through the arrangement of the PCB adapter plate 30, the problem that the positive and negative poles of the voice coil 14 are directly connected with an external power supply through a connecting wire, so that the connecting wire is easy to break can be avoided, and the service life of the device 100 is effectively prolonged.

In one embodiment, the connecting shaft 13 is connected to the central axis of the magnet 21, wherein the connecting shaft 13 may be connected to the surface of the magnet 21, or may be embedded in the magnet 21 to be connected to the magnet 21.

In another embodiment, the connecting shaft 13 passes through the magnet 21 and is connected to the U-iron 22, so as to enhance the connection strength between the connecting shaft 13 and the magnetic circuit mechanism 20.

In some embodiments, the magnetic circuit mechanism 20 further includes a washer 24, and the washer 24 is disposed on the magnet 21 and located on a side of the magnet 21 close to the vibrating reed 12 to increase the magnetic induction strength of the magnetic circuit mechanism 20, so that the generated vibration signal is more sensitive.

In other embodiments, a gasket 25 may be further disposed between the washer 24 and the vibrating reed 12, and the gasket 25 may be disposed to effectively increase a range in which the vibrating reed 12 can vibrate.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. Novel bone conduction device with gas conduction function, a serial communication port, including vibration mechanism and magnetic circuit mechanism, magnetic circuit mechanism includes magnet and U iron, magnet is located in the U iron and with U iron inside wall interval certain distance is formed with accommodation space, vibration mechanism includes support, trembler, connecting axle, voice coil loudspeaker voice coil and sound membrane, the trembler with sound membrane interval certain distance is located on the support, the voice coil loudspeaker voice coil is connected the trembler is kept away from one side and the at least part of sound membrane stretch into in the accommodation space, the connecting axle simultaneously with the sound membrane the trembler and magnetic circuit mechanism rigid connection.

2. The novel bone conduction device with air conduction function as claimed in claim 1, wherein the voice diaphragm and the voice coil are both circular structures, the support comprises a first mounting portion corresponding to the voice diaphragm and a second mounting portion corresponding to the vibration plate, wherein the first mounting portion and the second mounting portion are concentrically arranged, and the connecting shaft is respectively connected to the voice diaphragm and the voice coil at the center of a circle.

3. The novel bone conduction device with air conduction function according to claim 1, wherein the connection shaft is connected to the central axis of the magnet.

4. The novel bone conduction device with air conduction function according to claim 3, wherein the connection shaft passes through the magnet and is connected with the U-iron.

5. The novel bone conduction device with air conduction function according to claim 1, wherein the support comprises a third installation part, the third installation part is used for installing a PCB adapter plate, and the positive electrode and the negative electrode of the voice coil are respectively connected with the PCB adapter plate.

6. The novel bone conduction device with air conduction function according to claim 1, wherein the magnetic circuit mechanism further comprises a washer, and the washer is covered on the magnet and located on the side of the magnet close to the vibrating plate.

7. The novel bone conduction device with air conduction function according to claim 6, wherein a gasket is further provided between the washer and the vibrating plate.