CN213403450U - In-ear noise reduction earphone assembly - Google Patents
In-ear noise reduction earphone assembly Download PDFInfo
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- CN213403450U CN213403450U CN202022749236.9U CN202022749236U CN213403450U CN 213403450 U CN213403450 U CN 213403450U CN 202022749236 U CN202022749236 U CN 202022749236U CN 213403450 U CN213403450 U CN 213403450U
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- front shell
- sound outlet
- ear noise
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Abstract
The utility model relates to an earphone subassembly of making an uproar falls in-ear, include: the shell comprises a front shell and a rear cover fixedly connected with the front shell, a rear cavity is arranged between the front shell and the rear cover, and the front shell is provided with a front cavity; a horn mounted to the front housing; the feedback microphone is fixed on the front shell and is communicated with the front cavity; wherein the front shell is provided with a nozzle extending outwards; the in-ear noise reduction earphone assembly is further provided with a first tuning piece located at the end of the pipe nozzle. The utility model discloses a rationally set up loudspeaker, antechamber, back chamber, the technological means of feedback microphone position, overcome the technical problem that the earphone acoustic performance is unstable of making an uproar falls in the in-ear, reached the technological effect that improves the earphone performance of making an uproar falls in the in-ear.
Description
Technical Field
The utility model relates to an earphone field especially relates to an earphone subassembly of making an uproar falls in ear.
Background
Along with the continuous promotion of people to the earphone requirement, there are also a lot of in-ear noise reduction earphones in the market, but the current in-ear noise reduction earphone has the problem that acoustic performance is unstable, design difficulty because sound chamber, back feed microphone locating point receive spatial structure restriction.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem who solves provides an earphone subassembly of making an uproar falls in the pleasant formula to solve the technical problem that the earphone acoustic performance is unstable falls in the pleasant formula.
In order to solve the technical problem, the embodiment of the utility model provides an earphone subassembly of making an uproar falls in-ear is proposed, include: the shell comprises a front shell and a rear cover fixedly connected with the front shell, a rear cavity is arranged between the front shell and the rear cover, and the front shell is provided with a front cavity; a horn mounted to the front housing; the feedback microphone is fixed on the front shell and is communicated with the front cavity; wherein the front shell is provided with a nozzle extending outwards; the in-ear noise reduction earphone assembly is further provided with a first tuning piece located at the end of the pipe nozzle.
Furthermore, the front shell is also provided with a microphone sound outlet communicated with the front cavity; the feedback microphone is arranged at one end of the microphone sound outlet hole, which is far away from the front cavity.
Furthermore, the microphone sound outlet hole is located on the opposite side of the loudspeaker, and the microphone sound outlet hole and the bottom of the loudspeaker are arranged at intervals.
Furthermore, the microphone sound outlet hole is located on one side of the loudspeaker, and the end of the microphone sound outlet hole is flush with the bottom of the loudspeaker.
Furthermore, the microphone sound outlet hole is positioned on the lower side of the loudspeaker, and the center line of the microphone sound outlet hole is parallel to the bottom of the loudspeaker.
Furthermore, the microphone sound outlet hole is positioned on the lower side of the loudspeaker, and the center line of the microphone sound outlet hole and the bottom of the loudspeaker are obliquely arranged.
Furthermore, the front shell is also provided with a front sound adjusting hole communicated with the front cavity; the in-ear noise reduction earphone component is also provided with a second tuning piece which is fixed on the inner wall of the front cavity and covers the front tuning hole; the first tuning piece and the second tuning piece are tuning nets or tuning cotton.
Furthermore, the front shell is also provided with a rear sound adjusting hole communicated with the rear cavity; the in-ear noise reduction earphone component is also provided with a third tuning piece which is fixed on the outer wall of the front shell and covers the rear tuning hole; the first tuning piece and the third tuning piece are tuning nets or tuning cotton.
Furthermore, the front shell is also provided with a first step part for mounting the rear cover and a second step part for mounting the loudspeaker; the front shell and the rear cover are sealed and fixed through an adhesive; the rear cover and the loudspeaker are sealed and fixed through an adhesive.
Further, the feedback microphone is a digital MEMS microphone or an analog MEMS microphone, ECM microphone.
The embodiment of the utility model provides a through providing an earphone subassembly of making an uproar falls in ear, the casing is provided with antetheca and rear chamber, and loudspeaker are installed in the front and are put through with the antetheca in the back, and loudspeaker, antetheca, rear chamber, back feed microphone relative position are fixed, and acoustic performance is stable. The utility model discloses a rationally set up loudspeaker, antechamber, back chamber, the technological means of feedback microphone position, overcome the technical problem that the earphone acoustic performance is unstable of making an uproar falls in the in-ear, reached the technological effect that improves the earphone performance of making an uproar falls in the in-ear.
The invention is further described with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is an exploded view of a first embodiment of an in-ear noise reducing earphone assembly of the present invention;
FIG. 2 is a cross-sectional view of the first embodiment;
FIG. 3 is a cross-sectional view of the second embodiment;
FIG. 4 is a cross-sectional view of the third embodiment;
FIG. 5 is a cross-sectional view of the fourth embodiment;
FIG. 6 is a cross-sectional view of the fifth embodiment;
fig. 7 is a sectional view of the sixth embodiment.
Description of the reference numerals
1 casing 11 front shell
111 rear chamber 112 front chamber
113 nozzle 114 microphone sound outlet
115 front tuning hole and 116 rear tuning hole
117 first step 118 second step
119 mounting groove 12 rear cover
2-horn 3-feedback microphone
4 first tuning piece 5 second tuning piece
6 third tuning piece
Detailed Description
In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the schematic drawings, but not limited thereto.
In the embodiment of the present invention, if there is directional indication (such as upper, lower, left, right, front, and rear … …) only for explaining the relative position relationship between the components and the motion situation under a certain posture (as shown in the drawing), if the certain posture is changed, the directional indication is changed accordingly.
In addition, the descriptions of the first, second, etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Example one
As shown in fig. 1, an in-ear noise reducing headphone assembly includes: the tuning device comprises a shell 1, a loudspeaker 2, a feedback microphone 3, a first tuning piece 4, a second tuning piece 5 and a third tuning piece 6.
Preferably, the housing 1 includes a front shell 11, a rear cover 12 fixedly connected to the front shell 11, a rear cavity 111 disposed between the front shell 11 and the rear cover 12, and a front cavity 112 disposed on the front shell 11. The front case 11 is provided with a nozzle 113 extending outward, and the first tuning piece 4 is located at an end of the nozzle 113 and covers a passage of the nozzle 113.
Preferably, the speaker 2 is mounted on the front housing 11 and located in the rear cavity 111, and the feedback microphone 3 is fixed on the front housing 11 and is communicated with the front cavity 112.
As shown in fig. 2, the front housing 11 is further provided with a microphone sound outlet 114 communicated with the front cavity 112, the back feed microphone 3 is provided at an end of the microphone sound outlet 114 away from the front cavity 112, and the front cavity 112 and the back feed microphone 3 are communicated through the microphone sound outlet 114.
Preferably, the microphone sound outlet hole 114 is located on the opposite side of the horn 2, and the microphone sound outlet hole 114 is spaced from the bottom of the horn 2.
Preferably, the front case 11 is further provided with a front tuning hole 115 communicating with the front chamber 112, and the second tuning piece 5 is fixed to an inner wall of the front chamber 112 and covers the front tuning hole 115.
Preferably, the front housing 11 is further provided with a rear tuning hole 116 communicating with the rear cavity 111, and the third tuning member 6 is fixed to an outer wall of the front housing 11 and covers the rear tuning hole 116.
Preferably, the first tuning piece 4, the second tuning piece 5 and the third tuning piece 6 are tuning nets. In other embodiments, the first tuning piece 4, the second tuning piece 5 and the third tuning piece 6 can also be tuning cottons.
Preferably, the front housing 11 is further provided with a first step 117 for mounting the rear cover 12, and a second step 118 for mounting the horn 2. The joint parts of the front shell 11 and the rear cover 12 are fixed in a sealing mode through adhesives, the joint parts of the rear cover 12 and the loudspeaker 2 are fixed in a sealing mode through adhesives, so that the shell 1 forms an independent acoustic sound cavity, the loudspeaker 2 and the feedback microphone 3 are not interfered and influenced by other parts, and stable output frequency response of the loudspeaker 2, pickup response of the feedback microphone and passive frequency response are guaranteed.
Preferably, the feedback microphone 3 is a digital MEMS microphone or an analog MEMS microphone, ECM microphone.
The utility model discloses an earphone subassembly loudspeaker sound chamber of making an uproar falls in pleasant formula and feedback microphone 3 structure, rigidity can obtain stable various wave filter design parameter, like 2 output frequency response of loudspeaker, feedback microphone 3 frequency response, passive PNC frequency response. Earphone sound chamber and feedback microphone 3 can provide good various acoustic performance, the utility model discloses an earphone subassembly of making an uproar falls in the pleasant formula can improve the maneuverability of production technology, and can match new ID and use, practices thrift the development cycle of the earphone product of making an uproar falls.
Example two
As shown in fig. 3, the present embodiment is different from the first embodiment in that: the microphone sound outlet hole 114 is located at the lower side of the horn 2, and the center line of the microphone sound outlet hole 114 is parallel to the bottom of the horn 2.
EXAMPLE III
As shown in fig. 4, the present embodiment is different from the second embodiment in that: the end of the microphone sound outlet 114 is bent toward a side close to the speaker 2, the back feed microphone 3 is fixed in the mounting groove 119 formed in the front case 11, and the mounting groove 119 is communicated with the microphone sound outlet 114.
Example four
As shown in fig. 5, the present embodiment is different from the first embodiment in that: the microphone sound outlet hole 114 is located at the lower side of the horn 2, and the center line of the microphone sound outlet hole 114 is inclined to the bottom of the horn 2.
EXAMPLE five
As shown in fig. 6, the present embodiment is different from the first embodiment in that: the feedback microphone 3 is installed in the front cavity 112, and the bottom of the feedback microphone 3 is flush with the bottom of the speaker 2.
EXAMPLE six
As shown in fig. 7, the present embodiment is different from the first embodiment in that: the microphone sound outlet hole 114 is located at one side of the speaker 2, and the end of the microphone sound outlet hole 114 is flush with the bottom of the speaker 2.
The utility model discloses an earphone subassembly of making an uproar falls in pleasant formula, casing are provided with antechamber and back chamber, and loudspeaker installation shell in the front, and the feedforward microphone switches on with the antechamber, and loudspeaker, antechamber, back chamber, feedback microphone relative position are fixed, and acoustic performance is stable. The utility model discloses a rationally set up loudspeaker, antechamber, back chamber, the technological means of feedback microphone position, overcome the technical problem that the earphone acoustic performance is unstable of making an uproar falls in the in-ear, reached the technological effect that improves the earphone performance of making an uproar falls in the in-ear.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An in-ear noise reducing headphone assembly, comprising:
the shell comprises a front shell and a rear cover fixedly connected with the front shell, a rear cavity is arranged between the front shell and the rear cover, and the front shell is provided with a front cavity;
a horn mounted to the front housing;
the feedback microphone is fixed on the front shell and is communicated with the front cavity;
wherein the front shell is provided with a nozzle extending outwards; the in-ear noise reduction earphone assembly is further provided with a first tuning piece located at the end of the pipe nozzle.
2. An in-ear noise reducing headphone assembly as defined in claim 1, wherein the front shell further has a microphone sound outlet in communication with the front cavity; the feedback microphone is arranged at one end of the microphone sound outlet hole, which is far away from the front cavity.
3. The in-ear noise reducing headphone assembly of claim 2, wherein the microphone sound outlet is located on an opposite side of the speaker, and the microphone sound outlet is spaced from a bottom of the speaker.
4. The in-ear noise reducing headphone assembly of claim 2, wherein the microphone sound outlet is located on a side of the speaker, an end of the microphone sound outlet being flush with a bottom of the speaker.
5. An in-ear noise reducing headphone assembly as defined in claim 2, wherein the microphone sound outlet is located on the underside of the speaker, the centerline of the microphone sound outlet being parallel to the bottom of the speaker.
6. An in-ear noise reducing headphone assembly as defined in claim 2, wherein the microphone sound outlet is located on the lower side of the speaker, the center line of the microphone sound outlet being inclined to the bottom of the speaker.
7. An in-ear noise reducing headphone assembly as defined in claim 1, wherein the front shell is further provided with a front tuning hole in communication with the front cavity; the in-ear noise reduction earphone component is also provided with a second tuning piece which is fixed on the inner wall of the front cavity and covers the front tuning hole; the first tuning piece and the second tuning piece are tuning nets or tuning cotton.
8. An in-ear noise reducing headphone assembly as defined in claim 1, wherein the front shell is further provided with a rear tuning hole communicating with the rear cavity; the in-ear noise reduction earphone component is also provided with a third tuning piece which is fixed on the outer wall of the front shell and covers the rear tuning hole; the first tuning piece and the third tuning piece are tuning nets or tuning cotton.
9. An in-ear noise reducing headphone assembly as defined in claim 1, wherein the front housing is further provided with a first step for mounting a rear cover, and a second step for mounting a speaker; the front shell and the rear cover are sealed and fixed through an adhesive; the rear cover and the loudspeaker are sealed and fixed through an adhesive.
10. An in-ear noise reducing headphone assembly as defined in claim 1, wherein the back-feed microphone is a digital MEMS microphone or an analog MEMS microphone, ECM microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022749236.9U CN213403450U (en) | 2020-11-24 | 2020-11-24 | In-ear noise reduction earphone assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022749236.9U CN213403450U (en) | 2020-11-24 | 2020-11-24 | In-ear noise reduction earphone assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213403450U true CN213403450U (en) | 2021-06-08 |
Family
ID=76195131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022749236.9U Active CN213403450U (en) | 2020-11-24 | 2020-11-24 | In-ear noise reduction earphone assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213403450U (en) |
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2020
- 2020-11-24 CN CN202022749236.9U patent/CN213403450U/en active Active
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