CN219876018U - Earphone - Google Patents

Abstract

The utility model belongs to the technical field of earphones, and relates to an earphone. The earphone comprises an ear-in part and an outer rod part, wherein the ear-in part is connected with the outer rod part, a sound outlet is formed in the ear-in part, a loudspeaker for sounding is arranged in the ear-in part, and sound generated by the loudspeaker is transmitted out through the sound outlet; the outer rod part is internally provided with a noise reduction microphone, the outer rod part is provided with a first noise reduction hole, and the first noise reduction hole is communicated with the noise reduction microphone; the first noise reduction hole is arranged on the first inner side of the outer rod part; the first inner side is one side, close to the auricle of a human body, of the outer rod part of the earphone after being worn. Wind is difficult to enter into the first noise reduction hole, reduces natural wind noise sources, improves wind noise resistance effect, and improves conversation quality.

Description

Earphone

Technical Field

The utility model relates to the technical field of earphones, in particular to an earphone.

Background

Headphones such as a bluetooth headset are a type of wireless headphones to which bluetooth technology is applied. Compared with the traditional wired earphone, the Bluetooth earphone does not need to use wires, so that a user can avoid the interference of the wires, wearing and using are very convenient, and the Bluetooth earphone can easily talk or listen to audio in various modes. Therefore, bluetooth headsets are popular with consumers.

How to effectively reduce noise is always a research hot spot of the earphone, and the earphone with good noise reduction effect can improve the conversation quality. The existing earphone generally carries out noise reduction after receiving external noise through the noise reduction microphone and the noise reduction hole. However, the noise reduction holes of the existing earphone are unreasonably arranged, so that natural wind noise sources are large, and the wind noise resistance effect is poor.

Disclosure of Invention

The utility model aims to provide an earphone which can reduce natural wind noise sources and improve wind noise resistance.

The utility model discloses an earphone, which comprises an ear-in part and an outer rod part, wherein the ear-in part is connected with the outer rod part, a sound outlet is formed in the ear-in part, a loudspeaker for sounding is arranged in the ear-in part, and sound generated by the loudspeaker is transmitted out through the sound outlet; the outer rod part is internally provided with a noise reduction microphone, the outer rod part is provided with a first noise reduction hole, and the first noise reduction hole is communicated with the noise reduction microphone; the first noise reduction hole is arranged on the first inner side of the outer rod part; wherein, the first inner side is one side of the outer rod part, which is close to the auricle of the human body, when the earphone is worn.

Optionally, the ear is connected with one end of the outer stem, and the first noise reduction hole is provided on a first inner side of the outer stem near one end of the ear.

Optionally, a communication microphone is further arranged in the outer rod part, a first communication hole is formed in the outer rod part, and the first communication hole is located at one end far away from the ear-in part and is located on the inner back surface of the outer rod part; the first communication hole is communicated with the communication microphone.

Optionally, the first outer opening size of the first noise reduction aperture is larger than the first inner opening size of the first noise reduction aperture.

Optionally, the second outer opening size of the first talk hole is larger than the second inner opening size of the first talk hole.

Optionally, the projection of the first inner opening onto the first outer opening is offset from the center point of the first outer opening.

Optionally, the projection of the second inner opening onto the second outer opening is offset from the center point of the second outer opening.

Optionally, the outer rod portion is further provided with a first communication hole, the first noise reduction hole is communicated with the noise reduction microphone through the first communication hole, and the first noise reduction hole and the first communication hole are integrally L-shaped.

Optionally, a second communication hole is further formed in the outer rod portion, the first communication hole is communicated with the communication microphone through the second communication hole, and the first communication hole and the second communication hole are integrally L-shaped.

Optionally, a noise reduction member for reducing wind noise is disposed at the first communication hole near the opening of the noise reduction microphone and at the second communication hole near the opening of the conversation microphone.

The earphone of the utility model arranges the first noise reduction hole on the first inner side of the outer rod part; wherein, the first inner side is one side of the outer rod part, which is close to the auricle of the human body, when the earphone is worn. Therefore, when the user wears the ear-auricle-type noise-reducing device, the auricle of the ear can block external wind sources, wind is not easy to enter the first noise-reducing hole, natural wind noise sources are reduced, the wind noise resistance effect is improved, and the conversation quality is improved. Meanwhile, when a user touches a touch area on the outer rod part to perform touch operation, the user is not easy to touch the first noise reduction hole, abnormal sound or noise is not easy to generate, and noise reduction and conversation are affected; in addition, the first noise reduction hole is formed in the first inner side, the perforated structure is simple, the mold stripping is simple, and the mold and the assembly cost are low.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic diagram of a left ear earphone of an earphone according to an embodiment of the utility model;

FIG. 2 is another schematic diagram of a left ear earpiece of an embodiment of the present utility model;

FIG. 3 is another schematic diagram of a left ear earpiece of an embodiment of the present utility model;

FIG. 4 is another schematic diagram of a left ear earpiece of an embodiment of the present utility model;

FIG. 5 is another schematic diagram of a left ear earpiece of an embodiment of the present utility model;

FIG. 6 is another schematic diagram of a left ear earpiece of an embodiment of the present utility model;

FIG. 7 is a partial schematic view of the B-B direction cross-section of FIG. 6;

FIG. 8 is an enlarged partial view of portion A of FIG. 7;

FIG. 9 is a partial schematic view of the cross-sectional view taken along the direction A-A in FIG. 6;

FIG. 10 is an enlarged partial view of portion B of FIG. 9;

FIG. 11 is a schematic view of a noise reducer according to an embodiment of the utility model.

Wherein, 1, the ear is put in; 11. a sound outlet; 2. an outer stem portion; 21. a first noise reduction hole; 211. a first outer opening; 212. a first inner opening; 22. a first inner side; 23. a first call hole; 231. a second outer opening; 232. a second inner opening; 24. an inner back surface; 25. a first communication hole; 26. a second communication hole; 27. an outer front face; 271. a work indication lamp hole; 28. a top; 29. a first outer side; 210. a bottom; 3. a noise reduction microphone; 4. a conversation microphone; 5. a noise reduction member; 51. EVA piece; 52. wind-proof mesh cloth.

Detailed Description

It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

The utility model is described in detail below with reference to the attached drawings and alternative embodiments.

As shown in fig. 4 to 8, as an embodiment of the present utility model, an earphone is disclosed, the earphone includes an ear-in part 1 and an outer rod part 2, the ear-in part 1 is connected with the outer rod part 2, a sound outlet 11 is formed on the ear-in part 1, a speaker for producing sound is arranged in the ear-in part 1, and the sound produced by the speaker is transmitted out through the sound outlet 11; the noise reduction microphone 3 is arranged in the outer rod part 2, a first noise reduction hole 21 is formed in the outer rod part 2, and the first noise reduction hole 21 is communicated with the noise reduction microphone 3; the first noise reduction hole 21 is provided on the first inner side 22 of the outer shaft portion 2; the first inner side 22 is a side, close to the auricle of a human body, of the outer rod part 2 after the earphone is worn.

Current headphones, such as TWS noise reduction headphones, typically have noise reduction apertures disposed on either side of the outer front face 27, top 28 or inner rear face 24 of the outer stem 2. As shown in fig. 1 to 3, the outer front surface 27 of the outer stem 2 is a surface facing away from the auricle and facing the outside when the earphone is worn, the top 28 of the outer stem 2 is an end of the outer stem 2 at the connection end with the ear insertion portion 1, and the inner back surface 24 of the outer stem 2 is a surface facing the auricle and facing the ear when the earphone is worn.

The noise reduction hole is formed in the outer front face 27 of the outer rod portion 2, the noise source is large when the user wears the device, and when the user touches a touch area on the outer rod portion 2, the user easily touches the noise reduction hole to generate noise, such as noise like pop, so that noise reduction and conversation are affected, and the use experience of the user is reduced. The hole of making an uproar sets up on the top 28 of outer pole portion 2, and wind noise is still very big, and stacks the influence greatly to the earphone structure, also can influence the position setting of back chamber pressure release hole and work pilot lamp hole on the earphone to the hole of making an uproar needs the inclined hole design, and the mould demolding is complicated, has correspondingly also increased manufacturing cost. The noise reduction holes are arranged on two sides of the inner back surface 24 of the outer rod part 2, the noise reduction hole on one side is positioned on the windward side, natural wind is easy to pour in, wind noise is large, the noise reduction hole on the other side is easy to be blocked by the cheeks of a user, and noise reduction cannot be effectively realized; and the noise reduction holes are designed on two sides with inclined holes, and the whole structure is required to be disassembled independently to form a cavity capable of flowing, so that the die and the assembly cost are high.

The earphone of the utility model has the first noise reduction hole 21 arranged on the first inner side 22 of the outer rod part 2; the first inner side 22 is a side, close to the auricle of the human body, of the outer rod part 2 when the earphone is worn. Thus, when the user wears the ear-auricle-type microphone, the auricle of the ear can block external wind sources, wind is not easy to enter the first noise reduction hole 21, natural wind noise sources are reduced, the wind noise resistance effect is improved, and the conversation quality is improved. Meanwhile, when a user touches a touch area on the outer rod part 2 to perform touch operation, the user is not easy to touch the first noise reduction hole 21, abnormal sound or noise is not easy to generate, and noise reduction and conversation are not influenced; in addition, the first noise reduction hole 21 is formed in the first inner side 22, the hole structure is simple, the mold is simple to take out, the production and the assembly are facilitated, and the mold and the assembly cost are low.

As shown in fig. 5, the first inner side 22 of the outer stem 2 is a side of the outer stem 2 that is close to the auricle of the human body when the earphone is worn. By way of comparison, as shown in fig. 3, the first outer side 29 of the outer stem 2 is the opposite side to the first inner side 22, and the first outer side 29 is the side of the outer stem 2 facing away from the auricle of the human body when the earphone is worn.

Alternatively, as shown in fig. 5, the ear-in portion 1 is connected to one end of the outer shaft portion 2, and the first noise reduction hole 21 is provided on a first inner side 22 of the outer shaft portion 2 near the one end of the ear-in portion 1. In this scheme, the first hole of making an uproar 21 sets up on the first inboard 22 of the one end of outer pole portion 2 being close to income ear 1, and auricle is better to the effect of keeping out the wind of first hole of making an uproar 21 of making an uproar, and wind is difficult to enter into in the hole of making an uproar 21 of making an uproar more, reduces natural wind noise source, improves anti-wind noise effect, improves call quality. Meanwhile, when a user touches a touch area on the outer rod part 2 at the position to perform touch operation, the user is less likely to touch the first noise reduction hole 21, abnormal sound or noise is less likely to be generated, and noise reduction and conversation are less likely to be affected. Of course, in other embodiments, the first noise reduction hole 21 may be disposed at other positions on the first inner side 22, for example, the first noise reduction hole 21 is disposed at a middle position on the first inner side 22, or the like.

Alternatively, as shown in fig. 2 and 8, the first outer opening 211 of the first noise reduction hole 21 is larger in size than the first inner opening 212 of the first noise reduction hole 21. The first noise reduction hole 21 is designed to be large outside and small inside, so that an external wind source is not easy to enter the noise reduction microphone 3, the wind source can be discharged again after circulation is formed in the first inner opening 212, the natural wind noise source is small, the wind noise resistance effect is improved, the conversation quality is improved, and the design of the human engineering is more accordant.

Specifically, the first outer opening 211 of the first noise reduction hole 21 is an opening of the first noise reduction hole 21 on the surface of the outer stem 2, and the first inner opening 212 of the first noise reduction hole 21 is an opening of the first noise reduction hole 21 communicating with one end of the noise reduction microphone 3 inside the outer stem 2. The noise reduction microphone 3 communicates with the outside through the first noise reduction hole 21. The first inner opening 212 may have a circular shape and the first outer opening 211 may have a circular, oval, olive or racetrack shape. More specifically, the projection of the first inner opening 212 onto the first outer opening 211 is offset from the center point of the first outer opening 211.

Optionally, the outer rod portion 2 is further provided with a first communication hole 25, the first noise reduction hole 21 is communicated with the noise reduction microphone 3 through the first communication hole 25, and the first noise reduction hole 21 and the first communication hole 25 are integrally L-shaped. In the scheme, the first noise reduction hole 21 and the first communication hole 25 are L-shaped integrally, an angle of 80-100 degrees is formed between the first noise reduction hole 21 and the first communication hole 25, and the wind noise resistance effect is better.

Optionally, as shown in fig. 5, 9 and 10, a conversation microphone 4 is further disposed in the outer stem 2, a first conversation hole 23 is formed in the outer stem 2, and the first conversation hole 23 is located at one end far away from the ear-in portion 1 and is located on an inner back surface 24 of the outer stem 2; the first talk hole 23 communicates with the talk microphone 4.

The communication hole of the earphone is generally arranged on the outer front surface 27 or the bottom 210 of the outer rod portion 2. As shown in fig. 3, the bottom 210 of the outer shaft 2 is an end of the outer shaft 2 away from the ear 1. The communication hole is formed in the outer front surface 27 of the outer rod portion 2, is in a windward side, has a large natural wind noise source, and when a user touches a touch area on the outer rod portion 2, the user touches the communication hole to interfere with the sound reception of the communication microphone 4, so that the communication is affected. Specifically, as shown in fig. 4, a working indication lamp hole 271 is further provided on the upper end region of the outer front surface 27, and the working indication lamp hole 271 is used for prompting the current working state of the earphone.

In this embodiment, the first communication hole 23 is provided at one end of the outer shaft 2 far from the ear-in portion 1, and is located on the inner back surface 24 of the outer shaft 2. Thus, the first call hole 23 is not located on the windward side, so that the call is ensured, the call is not easily blown to, the natural wind noise source is small, and the user cannot easily touch the first call hole 23 to influence the call when touching the touch area on the outer lever 2.

Alternatively, as shown in fig. 10, the second outer opening 231 of the first talk hole 23 has a size larger than the second inner opening 232 of the first talk hole 23. The design of the outer big and the inner small is carried out on the first communication hole 23, so that an external wind source is not easy to enter the communication microphone 4, and the wind source can be discharged again after circulation is formed in the first communication hole 23, thereby improving the communication quality. Specifically, the second outer opening 231 of the first communication hole 23 is an opening of the first communication hole 23 on the surface of the outer stem 2, and the second inner opening 232 of the first communication hole 23 is an opening of the first communication hole 23 communicating with one end of the communication microphone 4 inside the outer stem 2. The talk microphone 4 communicates with the outside through the first talk hole 23. The second person inner opening may be circular and the second outer opening 231 may be circular, oval, olive-shaped or racetrack-shaped. More specifically, the projection of the second inner opening 232 onto the second outer opening 231 is offset from the center point of the second outer opening 231.

Optionally, a second communication hole 26 is further formed in the outer rod portion 2, the first communication hole 23 is communicated with the communication microphone 4 through the second communication hole 26, and the first communication hole 23 and the second communication hole 26 are integrally L-shaped. In the scheme, the first communication hole 23 and the second communication hole 26 are L-shaped integrally, and the first communication hole 23 and the second communication hole 26 are designed at an angle of 80-100 degrees, so that the wind noise resistance effect is better.

Specifically, as shown in fig. 8 and 10, the first communication hole 25 is provided near the opening of the noise reduction microphone 3, and the second communication hole 26 is provided near the opening of the talk microphone 4 with a noise reduction member 5 for reducing wind noise. The noise reduction member 5 can improve the sealing property of the first communication hole 25 and the second communication hole 26, and separate the noise reduction microphone 3 and the conversation microphone 4 from other spaces inside the earphone, so that the sealing property is good. Specifically, as shown in fig. 11, the noise reduction member 5 may be an ethylene-vinyl acetate copolymer material, that is, the EVA member 51 is in a circular ring shape, the windproof mesh 52 is disposed on the EVA member 51, the production process of the EVA member and the windproof mesh 52 is mature, the reject ratio is low, the mold stripping is simple, and the mold cost is low.

The noise reduction microphone 3 may be a single feedforward noise reduction microphone, i.e. FF noise reduction microphone, which is used to handle external ambient wind noise. The ear-in part 1 can be provided with a single feedback noise-reducing microphone, namely an FB noise-reducing microphone which is used for processing wind noise and other noise entering the loudspeaker and the inside of the earhole.

Noise in the surrounding environment and the wearing process of the earphone is collected through the FF noise-reducing microphone and the FB noise-reducing microphone, and the noise is eliminated through digital analysis and processing by reverse sound waves, so that the offset among sound waves is realized. FF noise reduction miaow and FB noise reduction miaow are both cooperated, can greatly improve the noise reduction effect of earphone.

The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (10)

1. The earphone is characterized by comprising an ear-in part and an outer rod part, wherein the ear-in part is connected with the outer rod part, a sound outlet is formed in the ear-in part, a loudspeaker for sounding is arranged in the ear-in part, and sound generated by the loudspeaker is transmitted out through the sound outlet; the outer rod part is internally provided with a noise reduction microphone, a first noise reduction hole is formed in the outer rod part, and the first noise reduction hole is communicated with the noise reduction microphone; the first noise reduction hole is arranged on the first inner side of the outer rod part; the first inner side is one side, close to the auricle of a human body, of the outer rod part when the earphone is worn.

2. The earphone of claim 1, wherein the in-ear portion is connected to an end of the outer stem portion, and the first noise reduction hole is provided on the first inner side of the outer stem portion near the end of the in-ear portion.

3. The earphone of claim 2, wherein a conversation microphone is further disposed in the outer stem portion, and a first conversation hole is formed in the outer stem portion, the first conversation hole being located at an end far from the ear-in portion and on an inner back surface of the outer stem portion; the first call hole is communicated with the call microphone.

4. A headset as claimed in any one of claims 1 to 3, wherein the first outer opening size of the first noise reduction aperture is larger than the first inner opening size of the first noise reduction aperture.

5. The earphone of claim 3, wherein a second outer opening size of the first conversation aperture is greater than a second inner opening size of the first conversation aperture.

6. The earphone of claim 4, wherein a projection of the first inner opening onto the first outer opening is offset from a center point of the first outer opening.

7. The earphone of claim 5, wherein a projection of the second inner opening onto the second outer opening is offset from a center point of the second outer opening.

8. The earphone of claim 3, wherein a first communication hole is further formed in the outer stem, the first noise reduction hole is communicated with the noise reduction microphone through the first communication hole, and the first noise reduction hole and the first communication hole are integrally L-shaped.

9. The earphone of claim 8, wherein a second communication hole is further formed in the outer stem portion, the first communication hole communicates with the communication microphone through the second communication hole, and the first communication hole and the second communication hole are integrally L-shaped.

10. The earphone of claim 9, wherein the first communication hole is provided near an opening of the noise reduction microphone and the second communication hole is provided near an opening of the talk microphone with a noise reduction member for reducing wind noise.