CN220234906U

CN220234906U - In-ear bone conduction earphone and neck-hanging bone conduction earphone with same

Info

Publication number: CN220234906U
Application number: CN202321542342.7U
Authority: CN
Inventors: 栗永新
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-22
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses an in-ear bone conduction earphone which comprises a shell and a bone conduction loudspeaker, wherein a cavity is formed in the shell, the front part of the shell is an in-ear surface, the bone conduction loudspeaker is arranged at the front part of the cavity, and the bone conduction loudspeaker comprises a transduction component and a conduction component, and the transduction component is used for generating vibration under the excitation of an electric signal; the conduction component is attached to the inner wall of the ear-in surface, and the conduction component is used for directly transmitting vibration generated by the transduction component to the shell. In this design, when needing the transmission sound wave, the casing stretches into in the auricle, goes into the ear face and sets up when the conduction subassembly vibration relatively this moment, and vibration direct action is to the casing and will transmit to auricle inner wall, has reduced the loss of vibration, has effectively reduced the loss of sound signal, has effectively improved the sound effect of in-ear earphone.

Description

In-ear bone conduction earphone and neck-hanging bone conduction earphone with same

Technical Field

The utility model relates to the field of earphone products, in particular to an in-ear bone conduction earphone and a neck-hanging bone conduction earphone with the same.

Background

The traditional sound production part of the neck-hanging earphone adopts a moving coil air transmission sound mode, sound waves and auditory meatus can generate negative pressure in the use process, so that eardrum pressure is caused, eardrum can be damaged after long-time use, and wearing comfort is affected.

Meanwhile, the traditional ear hanging type earphone cannot achieve better waterproof and dustproof effects due to the sound transmission holes and the air inlet holes, sweat can react with the diaphragms of the hole sites in sports wear, so that the output of sound channels is affected, and meanwhile, the service life of the earphone is shortened.

Disclosure of Invention

The utility model mainly aims to provide an in-ear bone conduction earphone, which aims to combine a bone conduction loudspeaker with an in-ear shell to avoid negative pressure generated by an auditory canal, and meanwhile, the bone conduction loudspeaker does not need to be provided with a sound transmission hole and an air inlet hole, so that the closed waterproof and dustproof effects can be realized.

To achieve the above object, the present utility model provides an in-ear bone conduction earphone, comprising:

the shell is internally provided with a cavity, and the front part of the shell is an ear-entering surface;

a bone conduction speaker disposed at a front position of the chamber, the bone conduction speaker including a transducer assembly and a conductive assembly,

the energy conversion component is used for generating vibration under the excitation of an electric signal;

the conduction component is attached to the inner wall of the ear-in surface, and the conduction component is used for directly transmitting vibration generated by the transduction component to the shell.

According to the technical scheme, when sound waves need to be transmitted, the shell stretches into the auricle, and when the conduction assembly vibrates, the vibration directly acts on the shell and is transmitted to the inner wall of the auricle, so that the loss of the vibration is reduced, the loss of sound signals is effectively reduced, and the sound effect of the in-ear earphone is effectively improved;

the beneficial effect of this design is wherein: 1. the sound signal does not need air propagation, so that the negative pressure of auricles is avoided, and wearing comfort is improved; 2. the conduction component is completely attached to the back of the front cavity of the earphone head, so that resonance can be generated rapidly and sensitively between the conduction component and the front cavity, sound can be clearer, and sound confusion can not be generated due to vibration lag; 3. compared with the traditional ear-attached bone conduction earphone, the circuit design does not need to adopt a high-power circuit to drive a conduction component, so that the loss is effectively reduced, and the fidelity of sound wave signals is ensured; 4. the shell can be a relatively closed cavity, so that a sound transmission hole and an air inlet hole are not required to be arranged, the waterproof and dustproof performances of the earphone are effectively ensured, and the service life and the stability of the earphone are further improved; meanwhile, the damage to the eardrum caused by long-time use of the earphone can be effectively solved.

Drawings

Fig. 1 is a schematic perspective view of an in-ear bone conduction headset;

fig. 2 is a schematic diagram of a bone conduction speaker;

fig. 3 is a schematic perspective view of a neck-hanging bone conduction headset.

In the figure, 1 is a shell, 11 is an in-ear face, 2 is a bone conduction speaker, 20 is a vibration cavity, 21 is a transduction component, 22 is a conduction component, 23 is a vibrator cover, 3 is a vibration cavity, 4 is a surrounding part, 5 is a neck hanging part, and 51 is a back shell.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications (such as up, down, left, right, front, rear, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first" or "second" etc. in the embodiments of the present utility model, the description of "first" or "second" etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 3, an in-ear bone conduction headset, comprising:

the device comprises a shell 1, wherein a cavity is formed in the shell 1, the front part of the shell 1 is provided with an in-ear surface 11, and the periphery of the in-ear surface 11 is attached to auricles;

a bone conduction speaker 2, the bone conduction speaker 2 being disposed at a front position of the chamber, the bone conduction speaker 2 including a transducer assembly 21 and a conduction assembly 22,

the transduction assembly 21 is used for generating vibration under the excitation of an electric signal;

the conduction component 22 is attached to the inner wall of the ear-in surface 11, and the conduction component 22 is used for directly transmitting the vibration generated by the transduction component 21 to the shell 1.

In the design, when the sound wave needs to be transmitted, the shell 1 stretches into the auricle, and when the conduction assembly 22 vibrates, the vibration acts on the shell 1 directly and is transmitted to the inner wall of the auricle, so that the loss of the vibration is reduced, the loss of sound signals is effectively reduced, and the sound effect of the in-ear earphone is effectively improved;

the beneficial effect of this design is wherein: 1. the sound signal does not need air propagation, so that the negative pressure of auricles is avoided, and wearing comfort is improved; 2. the conduction component 22 is completely attached to the back of the front cavity of the earphone head, so that the conduction component 22 and the front cavity quickly and sensitively generate resonance, the sound can be clearer, and the sound confusion caused by vibration lag can be avoided; 3. compared with the traditional ear-attached bone conduction earphone, the circuit design does not need to adopt a high-power circuit to drive the conduction component 22, so that the loss is effectively reduced, and the fidelity of sound wave signals is ensured; 4. the shell 1 can be a relatively closed cavity, so that a sound transmission hole and an air inlet hole are not required to be arranged, the waterproof and dustproof performances of the earphone are effectively ensured, and the service life and the stability of the earphone are further improved; meanwhile, the damage to the eardrum caused by long-time use of the earphone can be effectively solved.

The conductive component 22 is adhered to the back of the front cavity, and the vibrator vibrates at the first time to resonate with the front cavity, but the front cavity is made of hard PC or ABS or ABS+PC engineering plastic materials, so that the vibration amplitude is not large, and the resonance reaction is more sensitive and effective, and medium and high frequencies are transferred.

Specifically, the periphery of the ear-in surface 11 is attached to the auricle, so that the attachment of the front part of the earphone to the inner wall of the auditory canal can be realized, the uncomfortable feeling of the front part of the earphone to the auricle, the tragus and other auricles is reduced, the sound is effectively transmitted through vibration, and the wearing is more stable.

More specifically, the conductive component 22 is adhered to the inner wall of the ear-in surface 11, and the conductive component 22 is completely attached to the back of the front cavity of the earphone, so that the vibrator and the front cavity quickly and sensitively resonate, the sound is clearer, and the sound disorder caused by vibration lag is avoided.

In the embodiment of the present utility model, the housing 1 is connected with a rear case 51, the rear case 51 is provided with an electronic component, and the electronic component and the bone conduction speaker 2 are arranged at intervals. The electronic component is arranged at the position of the rear shell 51, so that the weight of the shell 1 can be reduced, and the wearing comfort is improved; while also avoiding resonance of the electronic components and the conductive assembly 22.

Specifically, the electronic component comprises a PCB board and a battery arranged on the PCB board.

In the embodiment of the present utility model, the ear entrance surface 11 is disposed opposite to the ear canal.

In the first embodiment of the present utility model, the conductive component 22 and the transducer component 21 are disposed in the vibration cavity 20, and the vibration cavity 20 is mounted (by means of glue or elastic element clamping) on the inner wall of the ear-in surface 11 to be attached. In one embodiment, the bone conduction speaker 2 may be of a modular design, the conduction assembly 22 is installed in the vibration cavity 20, and then the conduction assembly 22 is attached to the inner wall of the housing 1, i.e. a vibration cavity 20 is additionally provided;

in the second embodiment of the present utility model, the housing 1 integrally extends with a surrounding portion 4, the surrounding portion 4 forms a vibration cavity 20, the conductive component 22 is installed in the vibration cavity 20, and the vibration surface of the conductive component 22 is attached to the inner wall of the ear-in surface 11. In further embodiments, the housing 1 is directly formed with an extended shake paper cavity to mount the conductive assembly 22 and the transducer assembly 21.

In the first embodiment of the present utility model, the conductive component 22 includes a vibrator component and a vibrator cover 23 matched with the vibrator component, where the vibrator cover 23 is attached to the inner wall of the ear surface 11 or is provided with a gap or is provided with an elastic layer of 0.5mm-1 mm.

In the second embodiment of the present utility model, the conductive component 22 includes a vibrator component, the vibrator component and the inner wall of the ear-in surface 11 form a relatively closed vibration chamber 3, and the middle piece may be an elastic pad for conducting the vibration of the vibrator component to the housing 1; the vibrator is completely attached to the back of the front cavity of the earphone head, so that the vibrator and the front cavity quickly and sensitively generate resonance, and sound can be clearer, sound confusion can not be generated due to vibration lag, and the front cavity can be made of plastic coverage (PCABS or ABS+PC) or soft materials such as silica gel.

The neck-hanging type bone conduction earphone comprises the ear-in type bone conduction earphone, wherein two ear-in type bone conduction earphone are connected through a scarf, and left and right earphone are connected through a Bluetooth technology to form left and right sound channels; of course, the connecting wire can be formed at the neck hanging part 5 to realize wire interconnection.

The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but rather, the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An in-ear bone conduction headset, comprising:

the conduction component is attached to the inner wall of the ear-in surface and is used for directly or indirectly transmitting vibration generated by the transduction component to the shell.

2. The in-ear bone conduction headset of claim 1, wherein: the periphery of the auricle-in surface is attached to the auricle.

3. The in-ear bone conduction headset of claim 1, wherein: the conductive component is bonded to the inner wall of the in-ear surface.

4. The in-ear bone conduction headset of claim 1, wherein: the shell is connected with a rear shell, the rear shell is provided with an electronic element, and the electronic element and the bone conduction speaker are arranged at intervals.

5. The in-ear bone conduction headset of claim 4, wherein: the electronic component comprises a PCB and a battery arranged on the PCB.

6. The in-ear bone conduction headset of claim 2, wherein: the ear-in surface is arranged opposite to the auditory canal and is made of hard engineering plastic.

7. The in-ear bone conduction headset of claim 1, wherein: the vibration cavity is arranged on the inner wall of the ear-in surface and is attached to the inner wall of the ear-in surface.

8. The in-ear bone conduction headset of claim 1, wherein: the shell body is integrally extended to form a surrounding part, the surrounding part forms a vibration cavity, the conduction assembly is arranged in the vibration cavity, and the vibration surface of the conduction assembly is attached to the inner wall of the ear-in surface.

9. The in-ear bone conduction headset of claim 7, wherein: the conduction assembly comprises a vibrator assembly and a vibrator cover matched with the vibrator assembly, and the vibrator cover is attached to the inner wall of the ear surface.

10. The in-ear bone conduction headset of claim 8, wherein: the conduction assembly comprises a vibrator assembly, and the vibrator assembly is attached to the inner wall of the ear-in surface through a middle piece.

11. A neck-hanging bone conduction earphone characterized by comprising an in-ear bone conduction earphone according to any one of claims 1-10, wherein the in-ear bone conduction earphone is provided with two and connected by a scarf.