CN212413400U

CN212413400U - Earphone with independent cavity

Info

Publication number: CN212413400U
Application number: CN202021321906.0U
Authority: CN
Inventors: 左贵明; 涂长清; 向桃
Original assignee: Pubei Yingtong Intelligent Electronics Co ltd; Dongguan Kailai Electronics Co ltd
Current assignee: Pubei Yingtong Intelligent Electronics Co ltd; Dongguan Kailai Electronics Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-01-26
Anticipated expiration: 2030-07-07

Abstract

The utility model relates to the field of earphones, in particular to an earphone with an independent cavity, which comprises a handle part and an earphone main body part connected with the handle part, wherein the earphone main body part comprises a main shell, a loudspeaker and a sealing element which are arranged in the main shell; the sealing element hermetically separates the main shell into an inner chamber and an outer chamber, and the outer chamber is arranged close to the handle part; the horn hermetically separates the inner cavity into a first cavity and a second cavity, and the first cavity is arranged close to the outer cavity; the outer chamber, the first chamber and the second chamber are independent and not communicated with each other; the utility model discloses a set up outer cavity, first cavity and the second cavity that mutual independence is not intercommunicated, can effectually prevent that external noise from propagating in the earphone, improve the ability of making an uproar that falls of earphone, and then promote user's use and experience.

Description

Earphone with independent cavity

Technical Field

The utility model relates to an earphone field especially relates to an independent cavity earphone.

Background

Along with the improvement of quality of life, people also are more and more high to the demand of sound, under noisy environment, also want to have a good music experience, and the earphone of making an uproar falls in good luck. The noise reduction mode of the noise reduction earphone comprises active noise reduction and passive noise reduction. The active noise reduction function is to generate reverse sound waves equal to external noise through a noise reduction system to neutralize the noise, so that the noise reduction effect is realized. The passive noise reduction earphone mainly achieves noise reduction through the mode that isolated noise reaches ears, and the existing passive noise reduction mode mainly comprises that ear sleeves cover the ears to form a closed space, or sponge is arranged between a sounding body and the ears to block the noise. The noise sources include noise of external environment, noise inside the earphone, and noise generated by interference of external signals on the sounding body. The existing earphone separates the sounding body from the front and the back to form a front cavity and a back cavity, but the sealing structure is not tight, the interference noise of signals from the inside of the earphone and the outside to the sounding body cannot be reduced due to the mode that the ear muffs cover the ears, and the sponge reduces the noise to a certain degree but also causes the interference to the sound of the sounding body to a certain degree.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides an independent cavity earphone which promotes the noise reduction capability by constructing a closed cavity in the earphone.

The utility model adopts the technical proposal that: an earphone with an independent cavity comprises a handle part and an earphone main body part connected with the handle part, wherein the earphone main body part comprises a main shell, a loudspeaker and a sealing element, wherein the loudspeaker and the sealing element are arranged in the main shell; the sealing element hermetically separates the main shell into an inner chamber and an outer chamber, and the outer chamber is arranged close to the handle part; the horn hermetically separates the inner cavity into a first cavity and a second cavity, and the first cavity is arranged close to the outer cavity; the outer chamber, the first chamber and the second chamber are independent and not communicated with each other.

The earphone body further comprises a bone vibration sensor and a noise reduction microphone, wherein the bone vibration sensor is arranged in the first cavity, and the noise reduction microphone is arranged in the second cavity.

The technical scheme is further improved in that the sealing element is a hardware.

The further improvement to above-mentioned technical scheme does, the main casing body has a sound outlet tube, a dust screen and earmuff are installed to sound outlet tube, sound outlet tube with the second cavity intercommunication, the dust screen install in the sound outlet tube, earmuff cover is located sound outlet tube.

The further improvement to the above technical scheme is that the handle part comprises a handle shell, a protection plug arranged in the handle shell, a circuit board and a charging piece, wherein the charging piece is arranged at one end of the circuit board, and the protection plug is arranged at one end of the handle shell and covers the charging piece.

The technical scheme is further improved in that the handle part is provided with an installation cavity and an accommodating cavity, and the accommodating cavity is respectively communicated with the installation cavity and the outer cavity; the mounting cavity with the holding chamber all set up in the handle casing, the circuit board install in the mounting cavity.

The technical scheme is further improved in that the handle portion is provided with a pressing piece, the pressing piece is installed inside the earphone shell, and the pressing piece is connected with the circuit board.

The technical scheme is further improved in that a microphone is mounted on the handle shell and connected with the connecting piece, and the microphone is located above the circuit board.

The technical proposal is further improved that the handle part also comprises a connecting piece; the earphone body further comprises a bone vibration sensor and a noise reduction microphone, the bone vibration sensor is installed in the first cavity, and the noise reduction microphone is installed in the second cavity; the connecting piece is respectively connected with the loudspeaker, the noise reduction microphone and the bone vibration sensor.

The technical proposal is further improved that the earphone main body also comprises a battery and a magnet which are arranged on the sealing element, and the battery and the magnet are both positioned in the outer chamber; the battery is connected with the connecting piece.

The utility model has the advantages as follows: construct independent and not intercommunication's interior cavity and outer cavity through the sealing member, rethread loudspeaker divide into independent and not intercommunication's first cavity and second cavity with interior cavity, just so can prevent that external noise from propagating in the earphone, and effectual shielding is kept apart to the noise, improves the noise reduction effect of earphone, promotes user's use and experiences.

Drawings

Fig. 1 is a schematic view of the earphone with independent cavity of the present invention;

FIG. 2 is an exploded view of the main body of the earphone in the independent cavity earphone of FIG. 1;

FIG. 3 is a cross-sectional view of the earphone body portion of the individual cavity earphone of FIG. 1;

FIG. 4 is an exploded view of the handle portion of the earphone with separate housing of FIG. 1;

FIG. 5 is a cross-sectional view of the handle portion of the earphone with separate cavities of FIG. 1;

description of reference numerals: 10-handle part, 11-handle shell, 12-protective plug, 13-circuit board, 14-charging piece, 15-mounting cavity, 16-containing cavity, 17-connecting piece, 18-pressing piece, 19-microphone, 20-earphone main body part, 21-main shell, 21 a-sound outlet tube, 21 b-dustproof net, 21 c-earmuff, 22-loudspeaker, 23-sealing piece, 24-bone vibration sensor, 25-noise reduction microphone, 26-battery, 27-magnet, 30-inner chamber, 31-first chamber, 32-second chamber and 40-outer chamber.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

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. 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.

As shown in fig. 1 to 5, the present invention provides an earphone with independent cavity, which comprises a handle portion 10 and an earphone main body portion 20 connected to the handle portion 10; the earphone body part 20 is provided with an inner chamber 30 and an outer chamber 40 which are sealed and separated, and the inner chamber 30 and the outer chamber 40 are independent and not communicated with each other; the handle 10 is arranged to facilitate the use of a user, the earphone body 20 provides a sound source for the user, the inner chamber 30 is arranged to improve the noise reduction effect of the earphone, and the outer chamber 40 is arranged to facilitate the placement of components.

The handle part 10 comprises a handle shell 11, a protective plug 12 arranged on the handle shell 11, a circuit board 13 and a charging piece 14, and the handle part 10 is provided with an installation cavity 15 and an accommodation cavity 16; the accommodating cavity 16 is respectively communicated with the mounting cavity 15 and the outer cavity 40, the mounting cavity 15 and the accommodating cavity 16 are both arranged on the handle shell 11, the circuit board 13 is arranged in the mounting cavity 15, the charging piece 14 is arranged at one end of the circuit board 13, and the protective plug 12 is arranged at one end of the handle shell 11 and covers the charging piece 14. The handle portion 10 further comprises a connecting member 17, a part of the connecting member 17 is located in the accommodating cavity 16, another part of the connecting member 17 is located in the outer cavity 40, the connecting member 17 is mounted at one end of the circuit board 13 far away from the charging member 14, the handle portion 10 is provided with a pressing member 18, the pressing member 18 is mounted inside the earphone shell, and the pressing member 18 is connected with the circuit board 13. The handle housing 11 is fitted with a microphone 19, the microphone 19 being connected to the connector 17, the microphone 19 being located above the circuit board 13. The circuit board 13 is used for controlling the whole earphone to work, and is equivalent to the brain of the earphone; the connector 17 is used for connecting the circuit board 13 with each module; the pressing piece 18 can be pressed by a user and then feeds back pressing information to the circuit board 13, and the circuit board 13 starts or suspends the operation of the earphone and the like according to the obtained pressing information; the microphone 19 can be used to receive the communication information of the user, so as to facilitate the communication between the user and other people.

The earphone body part 20 comprises a main shell 21, a loudspeaker 22 and a sealing piece 23, wherein the loudspeaker 22 and the sealing piece are arranged in the main shell 21; the earphone case 21 includes a sound output tube 21a, a dust-proof net 21b, and an ear cap 21c, the sound output tube 21a communicates with the second chamber 32, the dust-proof net 21b is fitted in the sound output tube, and the ear cap 21c is fitted over the sound output tube 21 a. Seal 23 sealingly separates the main housing into inner chamber 30 and outer chamber 40; the earphone body 20 further comprises a bone vibration sensor 24 and a noise reduction microphone 25, the earphone body 20 further comprises a battery 26 and a magnet 27 mounted to the sealing member 23, and both the battery 26 and the magnet 27 are located in the outer chamber 40. In this embodiment, the sealing member 23 is a hardware member, and the wall thickness of the hardware member is greater than 0.05mm, so that the battery 26 and the magnet 27 can be stably placed without being crushed by the weight of the battery 26 and the magnet 27; the connector 17 is connected to a battery 26, a speaker 22, a noise reduction microphone 25, and a bone vibration sensor 24, respectively, to facilitate control of the circuit board 13 and transfer of power within the battery 26 to other components for operation, while the charging unit 14 can charge the battery 26. The dustproof net 21b can improve the dustproof capacity of the earphone, and the earmuffs 21c can be made of silica gel materials, so that the wearing feeling of a user is improved; the bone vibration sensor 24, the bone vibration sensor 24 can effectively improve the communication effect of the earphone; the main housing 21 is provided with an adjusting hole (not shown) for adjusting the communication effect of the earphone set, and the adjusting hole is provided between the speaker 22 and the sealing member 23.

The inner chamber 30 comprises a first chamber 31 and a second chamber 32; the horn 22 separates the inner cavity into a first cavity 31 and a second cavity 32 in a sealing manner, the first cavity 31 is arranged close to the outer cavity 40, the bone vibration sensor 24 is arranged in the first cavity 31, the noise reduction microphone 25 is arranged in the second cavity 32, and the outer cavity 40, the first cavity 31 and the second cavity 32 are independent and not communicated with each other; in this embodiment, after the sealing element 23 is installed in the main housing 21, the joint between the sealing element 23 and the main housing 21 is rubberized, so that the inner chamber 30 and the outer chamber 40 are sealed and separated, and after the same speaker 22 is installed in the main housing 21, the joint between the speaker 22 and the main housing 21 is rubberized, so that the first chamber 31 and the second chamber 32 are sealed and separated, thereby preventing noise from spreading inside the earphone, improving the passive noise reduction capability of the earphone, and the noise reduction microphone 25 can improve the active noise reduction capability of the earphone, further greatly improving the noise reduction effect of the earphone, and improving the use experience of a user; in this embodiment, the adjusting hole is communicated with the first chamber 31, and when sound is transmitted into the first chamber 31 through air, the bone vibration sensor 24 detects the vibration of vocal cords, collects more accurate voice information, assists the noise reduction algorithm, and improves the conversation quality.

The utility model discloses a theory of operation does: when the earphone is required to be used, the handle shell 11 is slightly pressed or knocked at the position close to the pressing piece 18 by hand, the slightly pressed information or the knocking information is received by the circuit board 13, then the circuit board 13 controls the earphone to be started, a user can listen or communicate by normal use, when the earphone is not used, the earphone is closed by slightly pressing or knocking at the position close to the pressing piece 18 by hand, and when a sound source is required to be switched, the earphone is slightly pressed or knocked for multiple times; wherein, independent and not intercommunicating between outer cavity, first cavity and the second cavity, the propagation that prevents external noise that can be fine makes passive noise reduction effect obtain promoting, is aided with the microphone that makes an uproar again, and then improves the holistic noise reduction effect of earphone, promotes user's use and experiences.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An earphone with an independent cavity is characterized by comprising a handle part and an earphone main body part connected with the handle part, wherein the earphone main body part comprises a main shell, a loudspeaker and a sealing element, and the loudspeaker and the sealing element are arranged in the main shell; the sealing element hermetically separates the main shell into an inner chamber and an outer chamber, and the outer chamber is arranged close to the handle part; the horn hermetically separates the inner cavity into a first cavity and a second cavity, and the first cavity is arranged close to the outer cavity; the outer chamber, the first chamber and the second chamber are independent and not communicated with each other.

2. The cavity-independent headset of claim 1, wherein the headset body further comprises a bone vibration sensor and a noise reduction microphone, the bone vibration sensor being mounted in the first chamber and the noise reduction microphone being mounted in the second chamber.

3. The isolated cavity earpiece of claim 1, wherein the seal is hardware.

4. The earphone as claimed in claim 1 wherein the main housing has a sound outlet barrel, the sound outlet barrel is mounted with a dust screen and an ear cap, the sound outlet barrel is communicated with the second chamber, the dust screen is mounted in the sound outlet channel, and the ear cap is mounted on the sound outlet barrel.

5. The earphone as claimed in claim 1 wherein the handle portion comprises a handle housing, a protective plug mounted to the handle housing, a circuit board, and a charging element, the charging element being mounted to an end of the circuit board, the protective plug being mounted to an end of the handle housing and covering the charging element.

6. The earphone as claimed in claim 5 wherein the handle portion has a mounting cavity and a receiving cavity, the receiving cavity being in communication with the mounting cavity and the outer cavity, respectively; the mounting cavity with the holding chamber all set up in the handle casing, the circuit board install in the mounting cavity.

7. The isolated cavity headset of claim 5, wherein the handle portion has a depressible member mounted within the main housing, the depressible member being coupled to the circuit board.

8. The isolated cavity headset of claim 5, wherein the handle portion further comprises a connector; the earphone body further comprises a bone vibration sensor and a noise reduction microphone, the bone vibration sensor is installed in the first cavity, and the noise reduction microphone is installed in the second cavity; the connecting piece is respectively connected with the loudspeaker, the noise reduction microphone and the bone vibration sensor.

9. The isolated cavity headset of claim 8, wherein the handle housing mounts a microphone, the microphone being connected to the connector, the microphone being located above the circuit board.

10. The isolated cavity earphone of claim 8 wherein the earphone body further comprises a battery and a magnet mounted to the seal, both the battery and the magnet being located in the outer chamber; the battery is connected with the connecting piece.