CN114845204A

CN114845204A - Earphone structure based on real-time sound cavity is adjusted audio frequency and is had its earphone

Info

Publication number: CN114845204A
Application number: CN202210465866.4A
Authority: CN
Inventors: 曹振雷; 马翼平
Original assignee: Avic East China Photoelectric Shanghai Co ltd
Current assignee: Avic East China Photoelectric Shanghai Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-02

Abstract

The invention relates to an earphone structure for adjusting audio based on a real-time acoustic cavity and an earphone with the same, relating to the technical field of earphones, wherein the earphone structure for adjusting audio based on the real-time acoustic cavity comprises an earmuff, a flange plate, a loudspeaker cover, an adjusting knob and a rear cover; the middle of the ear cap is provided with a sound opening, the middle part of the flange plate is provided with a hole groove, one surface of the flange plate is fixed at the bottom of the ear cap, the loudspeaker is embedded in the hole groove, the loudspeaker cover is arranged on the loudspeaker, and a small cavity is formed between the loudspeaker and the inner wall of the loudspeaker cover; the rear cover is arranged on the flange plate, and a large cavity is formed among the inner wall of the flange plate, the outer wall of the loudspeaker cover and the inner wall of the rear cover; the loudspeaker cover is provided with a through hole used for communicating the small cavity with the large cavity, and the through hole is provided with an adjusting knob used for adjusting the size of the through hole. The advantages are that: the user can adjust the audio frequency through manual operation at any time, and when the adjustability is increased, the user has more different music experiences.

Description

Earphone structure based on real-time sound cavity is adjusted audio frequency and is had its earphone

Technical Field

The invention relates to the technical field of earphones, in particular to an earphone structure for adjusting audio based on a real-time sound cavity and an earphone with the same.

Background

In the structural design of the earphone, if the loudspeaker is selected, the front cavity and the rear cavity have great influence on the frequency response output of the earphone, such as the front cavity mainly influences high frequency and the rear cavity mainly influences low frequency.

At present, the acoustic cavities of earphones sold in the market are all fixed, namely all acoustic designs are finished, and users do not have the operability of secondary tuning. In fact, when users listen to different music in different use scenes, the required frequency response characteristics of the earphones are different, for example, when users listen to music, the users need to have deep bass and listen to human voice, the users want to emphasize the brightness of the middle voice, and the fixed earphone structure is slightly monotonous due to the difference of the ear canal structures of the users.

The foregoing description is provided for general background information and is not admitted to be prior art.

Disclosure of Invention

The invention aims to provide an earphone structure for adjusting audio based on a real-time sound cavity and an earphone with the earphone structure.

The invention provides an earphone structure for adjusting audio based on a real-time acoustic cavity, which comprises earmuffs, a flange plate, a loudspeaker cover, an adjusting knob and a rear cover, wherein the earmuffs are arranged on the front side of the rear cover; a sound opening is formed in the center of the ear cover, a hole groove is formed in the middle of the flange plate, one surface of the flange plate is fixed to the bottom of the ear cover, the loudspeaker is embedded in the hole groove, the loudspeaker cover is arranged on the loudspeaker, and a small cavity is formed between the loudspeaker and the inner wall of the loudspeaker cover; the rear cover is arranged on the flange plate, and a large cavity is formed among the inner wall of the flange plate, the outer wall of the loudspeaker cover and the inner wall of the rear cover; the loudspeaker cover is provided with a through hole used for communicating the small cavity with the large cavity, and the through hole is provided with an adjusting knob used for adjusting the size of the through hole.

Further, a coupling groove is provided around the hole groove, and a rim of the speaker cover is fitted into the coupling groove when the speaker cover is placed on the speaker.

Furthermore, a ring groove is formed in the loudspeaker cover, the through holes comprise first through holes and second through holes, a plurality of first through holes are formed in the bottom of the ring groove, and the first through holes are communicated with the small cavity; the edge of the ring groove is provided with a plurality of second through holes for communicating the inside of the ring groove with the large cavity; the adjusting knob lid closes on the annular, be equipped with on the adjusting knob with annular complex semi-annular is protruding, semi-annular is protruding rotationally to be covered in the annular for the size of opening and the number of opening of control first through-hole.

Further, the middle part of annular is equipped with the pivot, adjust knob's middle part is equipped with the shaft hole, works as adjust knob lid closes when on the annular, the pivot is inserted in the shaft hole.

Further, the bottom of the ring groove is divided into a through hole area and a blank area, and the through hole area and the blank area both occupy 180 degrees of the ring groove; the first through hole is positioned on the through hole area, and the second through hole is positioned at the edge of the annular groove where the through hole area is positioned; and a stop block is arranged at the junction of the through hole area and the blank area.

Furthermore, the middle part of back lid is equipped with the regulation hole, adjust knob is being kept away from the bellied one side of semicircle is equipped with the swing handle, the swing handle is installed in the regulation hole to can rotate.

Further, the rim of ring flange inner wall department is equipped with the bayonet socket, the rim of back lid department be equipped with bayonet socket complex buckle, work as back housing is in when on the ring flange, the buckle card is in the bayonet socket.

Furthermore, the earmuff comprises a soft sleeve and an annular connecting plate, the soft sleeve is hollow, one side of the annular connecting plate is connected to the bottom of the soft sleeve, and the other side of the annular connecting plate is connected with the flange plate.

Furthermore, the earphone structure based on real-time sound cavity adjustment audio frequency still includes dustproof pad, dustproof pad cover in on the sound mouth.

The invention also provides an earphone which comprises the earphone structure for adjusting the audio frequency based on the real-time sound cavity.

According to the earphone structure for adjusting the audio frequency based on the real-time sound cavity, the size of the through hole is adjusted through the adjusting knob, the sound volume of the cavity behind the earphone is adjusted, the audio frequency is further adjusted, and different music experiences are provided for users while the adjustability is increased.

Drawings

Fig. 1 is a schematic structural diagram of an earphone structure for adjusting audio based on a real-time acoustic cavity according to an embodiment of the present invention.

Fig. 2 is an exploded view of the earphone structure of fig. 1 for adjusting audio based on a real-time acoustic cavity.

Fig. 3 is a schematic structural diagram of a flange and a rear cover of the earphone structure for adjusting audio based on the real-time acoustic cavity in fig. 1.

Fig. 4 is a schematic structural diagram of the combination of the flange plate and the speaker cover of the earphone structure for adjusting audio based on the real-time acoustic cavity in fig. 1.

Fig. 5 is a schematic structural diagram of a speaker cover of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1.

Fig. 6 is a schematic structural diagram of an adjusting knob of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1.

Fig. 7 is a schematic diagram illustrating another view angle of an adjusting knob of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1.

Fig. 8 is a schematic structural diagram of a speaker cover and an adjusting knob of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1.

Fig. 9 is a schematic structural diagram of a combination of a speaker cover and an adjusting knob of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1.

Fig. 10 is a schematic structural diagram of an earmuff of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1.

The reference numerals and components referred to in the drawings are as follows:

1. ear cap 11, sound mouth 12 and soft cover

13. Annular connecting plate 2, flange 21 and hole groove

22. Connecting groove 23, bayonet 3 and loudspeaker

4. Speaker cover 41, through hole 42, ring groove

43. First through hole 44, second through hole 45 and rotating shaft

46. Via region 47, blank region 48, stop

5. Adjusting knob 51, semi-annular bulge 52 and shaft hole

53. Rotating handle 6, rear cover 61 and adjusting hole

62. Buckle 7, dustproof pad

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

The terms first, second, third, fourth and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example 1

Fig. 1 is a schematic structural diagram of a structure of a headset for adjusting audio based on a real-time acoustic cavity according to an embodiment of the present invention, and fig. 2 is an exploded view of the structure of the headset for adjusting audio based on a real-time acoustic cavity in fig. 1. Referring to fig. 1 and 2, an earphone structure for adjusting audio based on a real-time acoustic cavity according to an embodiment of the present invention includes an earmuff 1, a flange 2, a speaker 3, a speaker cover 4, an adjusting knob 5, and a rear cover 6; the center of the ear cap 1 is provided with a sound opening 11, the middle part of the flange plate 2 is provided with a hole groove 21, one side of the flange plate 2 is fixed at the bottom of the ear cap 1, the loudspeaker is embedded in the hole groove 21, the loudspeaker cover 4 covers the loudspeaker 3, and a small cavity is formed between the loudspeaker 3 and the inner wall of the loudspeaker cover 4; the rear cover 6 covers the flange plate 2, and a large cavity is formed among the inner wall of the flange plate 2, the outer wall of the loudspeaker cover 4 and the inner wall of the rear cover 6; the speaker cover 4 is provided with a through hole 41 for communicating the small cavity with the large cavity, and the through hole 41 is provided with an adjusting knob 5 for adjusting the size of the through hole 41.

It should be noted that, in the earphone structure for adjusting audio based on a real-time acoustic cavity, the size of the through hole 41 is adjusted by the adjusting knob 5, so that the small cavity is controlled to gradually transit to the large cavity, the acoustic volume of the cavity behind the earphone is adjusted, the audio is adjusted, and a user has different music experiences while the adjustability is increased; the structure has the characteristics of easy operation, easy processing and easy assembly, the idea of changing the sound cavity by utilizing the change of the physical structure can also be utilized on a TWS (True Wireless Stereo) earphone, and only the rotating structure needs to be changed into the sliding structure. The design is an application mode of earphone modularization and detachability, so that a user obtains certain DIY (do it yourself) fun; the earphone breaks through the characteristic that the traditional earphone is unchangeable, enables people to have freshness to the use of the earphone, and has good market application prospect.

Fig. 3 is a schematic structural view of a flange plate and a rear cover of the earphone structure for adjusting audio based on the real-time acoustic cavity in fig. 1, and fig. 4 is a schematic structural view of a combination of the flange plate and a speaker cover of the earphone structure for adjusting audio based on the real-time acoustic cavity in fig. 1. Referring to fig. 3 and 4, the flange 2 of the present invention is provided with a connecting groove 22 around the hole 21, and when the speaker cover 4 covers the speaker 3, the rim of the speaker cover 4 is embedded in the connecting groove 22 to maintain the strength of the connection and the sealing performance of the small cavity.

Fig. 5 is a schematic structural diagram of a speaker cover of the earphone structure based on the real-time acoustic cavity adjustment audio in fig. 1, fig. 6 is a schematic structural diagram of an adjustment knob of the earphone structure based on the real-time acoustic cavity adjustment audio in fig. 1, fig. 7 is a schematic structural diagram of another view angle of the adjustment knob of the earphone structure based on the real-time acoustic cavity adjustment audio in fig. 1, fig. 8 is a schematic structural diagram of the speaker cover and the adjustment knob of the earphone structure based on the real-time acoustic cavity adjustment audio in fig. 1, and fig. 9 is a schematic structural diagram of a combination of the speaker cover and the adjustment knob of the earphone structure based on the real-time acoustic cavity adjustment audio in fig. 1. Referring to fig. 5 to 9, the speaker cover 4 of the present invention is provided with a ring groove 42, the through holes 41 include a first through hole 43 and a second through hole 44, the bottom of the ring groove 42 is provided with a plurality of first through holes 43, and the first through holes 43 are communicated with the small cavity; a plurality of second through holes 44 for communicating the inside of the ring groove 42 with the large cavity are formed at the edge of the ring groove 42; the adjusting knob 5 covers the ring groove 42, a semi-annular bulge 51 matched with the ring groove 42 is arranged on the adjusting knob 5, and the semi-annular bulge 51 can cover the ring groove 42 in a rotatable mode and is used for controlling the opening size and the opening number of the first through holes 43.

It should be noted that, when the adjusting knob 5 rotates on the speaker cover 4, the semi-annular protrusion 51 gradually opens or gradually closes the first through hole 43 at the bottom of the annular groove 42, so as to control the small cavity to gradually transition to the large cavity, or gradually close the large cavity, thereby adjusting the acoustic volume of the rear cavity of the earphone;

further, the small cavity is in transition communication with the large cavity through the first through hole 43, the ring groove 42 and the second through hole 44.

Further, the middle part of the ring groove 42 is provided with a rotating shaft 45, the middle part of the adjusting knob 5 is provided with a shaft hole 52, and when the adjusting knob 5 covers the ring groove 42, the rotating shaft 45 is inserted into the shaft hole 52. The stability of the rotation is further improved.

With further reference to fig. 5 and 6, the bottom portion of the ring groove 42 is defined by a through-hole region 46 and a blank region 47, both the through-hole region 46 and the blank region 47 occupying 180 ° of the ring groove 42; the first through hole 43 is located on the through hole region 46, and the second through hole 44 is located at the edge of the ring groove 42 where the through hole region 46 is located; a stop 48 is provided at the interface of the through-hole region 46 and the blank region 47. The large cavity can be completely opened or closed by rotating 180 degrees. While the stop 48 achieves a limit for the adjusting knob 5.

As shown in fig. 1 and 7, an adjusting hole 61 is formed in the middle of the rear cover 6, a rotary handle 53 is arranged on one surface of the adjusting knob 5 far away from the semi-annular protrusion 51, the rotary handle 53 is arranged in the adjusting hole 61, and the rotary handle 53 can be rotated through the adjusting hole 61; the bayonet 23 is arranged at the edge of the inner wall of the flange plate 2, the buckle 62 matched with the bayonet 23 is arranged at the edge of the rear cover 6, and when the rear cover 6 covers the flange plate 2, the buckle 62 is clamped in the bayonet 23. Through the design of the rotary handle 53 and the adjusting hole 61, a user can adjust the audio frequency through the adjusting hole 61 by manual operation at any time, and the user can have different music experiences while the playability is improved.

It should be noted that the height of the joint between the flange 2 and the rear cover 6 is designed to be tightly fitted, and the edge of the adjusting knob 5 is designed to be tightly fitted with the height of the edge of the adjusting hole 61, so as to maintain the sealing performance of the large cavity.

Fig. 10 is a schematic structural diagram of an earmuff of the earphone structure for adjusting audio based on a real-time acoustic cavity in fig. 1. Referring to fig. 10, the earcap 1 comprises a soft cap 12 and an annular connecting plate 13, wherein the soft cap 12 is hollow, one side of the annular connecting plate 13 is connected to the bottom of the soft cap 12, and the other side of the annular connecting plate 13 is connected to the flange 2.

It should be noted that the soft sleeve 12 is hollow, which further improves the comfort of use.

As shown in fig. 2, the earphone structure for adjusting audio based on real-time sound cavity further includes a dustproof pad 7, and the dustproof pad 7 covers the sound port 11. For preventing dust and the like from contaminating the speaker 3 and affecting its sound effect.

Based on the above description, the present invention has the following advantages:

1. according to the earphone structure for adjusting the audio frequency based on the real-time sound cavity, the size of the through hole 41 is adjusted through the adjusting knob 5, so that the small cavity is controlled to gradually transit to the large cavity, the acoustic volume of the cavity behind the earphone is adjusted, the audio frequency is adjusted, and different music experiences are provided for users while the adjustability is improved; the structure has the characteristics of easy operation, easy processing and easy assembly, the idea of changing the sound cavity by utilizing the change of the physical structure can also be utilized on a TWS (True Wireless Stereo) earphone, and only the rotating structure needs to be changed into the sliding structure. The design is an application mode of earphone modularization and detachability, so that a user obtains certain DIY (do it yourself) fun; the earphone breaks through the characteristic that the traditional earphone is unchangeable, enables people to have freshness to the use of the earphone, and has good market application prospect.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An earphone structure for adjusting audio based on a real-time sound cavity is characterized by comprising an earmuff (1), a flange plate (2), a loudspeaker (3), a loudspeaker cover (4), an adjusting knob (5) and a rear cover (6);

a sound opening (11) is formed in the center of the earmuff (1), a hole groove (21) is formed in the middle of the flange plate (2), one side of the flange plate (2) is fixed to the bottom of the earmuff (1), the loudspeaker (3) is embedded in the hole groove (21), the loudspeaker cover (4) covers the loudspeaker (3), and a small cavity is formed between the loudspeaker (3) and the inner wall of the loudspeaker cover (4);

the rear cover (6) covers the flange plate (2), and a large cavity is formed among the inner wall of the flange plate (2), the outer wall of the loudspeaker cover (4) and the inner wall of the rear cover (6);

be equipped with on speaker lid (4) and be used for making through-hole (41) of little cavity and big cavity intercommunication, install on through-hole (41) and be used for adjusting through-hole (41) size adjust knob (5).

2. The headphone structure for real-time audio cavity based conditioning audio according to claim 1, wherein a connection groove (22) is provided around the hole groove (21), and when the speaker cover (4) is covered on the speaker (3), the rim of the speaker cover (4) is embedded in the connection groove (22).

3. The earphone structure for adjusting audio based on real-time sound cavity according to claim 1, wherein the speaker cover (4) is provided with a ring groove (42), the through holes (41) comprise a first through hole (43) and a second through hole (44), the bottom of the ring groove (42) is provided with a plurality of the first through holes (43), and the first through holes (43) are communicated with the small cavity; a plurality of second through holes (44) for communicating the inside of the ring groove (42) with the large cavity are formed in the edge of the ring groove (42);

adjust knob (5) lid closes on annular (42), be equipped with on adjust knob (5) with annular (42) complex semiannular is protruding (51), semiannular is protruding (51) rotationally the lid fits in annular (42), be arranged in controlling the opening size and the number of opening of first through-hole (43).

4. The earphone structure for adjusting audio frequency based on real-time sound cavity according to claim 3, wherein a rotation shaft (45) is disposed in the middle of the ring groove (42), a shaft hole (52) is disposed in the middle of the adjusting knob (5), and when the adjusting knob (5) is covered on the ring groove (42), the rotation shaft (45) is inserted into the shaft hole (52).

5. The headphone structure based on real-time acoustic cavity modulated audio according to claim 3, characterized in that the bottom portion of the ring groove (42) is a through-hole region (46) and a blank region (47), the through-hole region (46) and the blank region (47) each occupying 180 ° of the ring groove (42); the first through hole (43) is located on the through hole area (46), and the second through hole (44) is located at the edge of the annular groove (42) where the through hole area (46) is located; a stop (48) is provided at the interface of the through-hole region (46) and the blank region (47).

6. The earphone structure for real-time audio cavity based conditioning audio according to claim 1, wherein the rear cover (6) is provided with a conditioning hole (61) in the middle, the conditioning knob (5) is provided with a knob (53) on the side away from the semi-annular protrusion (51), and the knob (53) is installed in the conditioning hole (61) and can rotate.

7. The earphone structure for adjusting audio frequency based on real-time sound cavity according to claim 1, wherein a bayonet (23) is arranged at the edge of the inner wall of the flange plate (2), a buckle (62) matched with the bayonet (23) is arranged at the edge of the rear cover (6), and when the rear cover (6) covers the flange plate (2), the buckle (62) is clamped in the bayonet (23).

8. The earphone structure for adjusting audio based on real-time sound cavity according to claim 1, wherein the earmuff (1) comprises a soft sleeve (12) and a ring-shaped connecting plate (13), the soft sleeve (12) is hollow, one side of the ring-shaped connecting plate (13) is connected to the bottom of the soft sleeve (12), and the other side of the ring-shaped connecting plate (13) is connected with the flange plate (2).

9. The real-time audio cavity based conditioning audio headset structure of claim 1, further comprising a dust-proof pad (7), wherein the dust-proof pad (7) covers the mouthpiece (11).

10. A headset comprising a headset structure for real-time audio cavity based conditioning audio according to any of claims 1-9.