CN217721438U

CN217721438U - Circuit structure of in-ear earphone and in-ear earphone

Info

Publication number: CN217721438U
Application number: CN202221175468.0U
Authority: CN
Inventors: 林仲宏; 樊红江; 杜军红; 葛振纲; 程黎辉
Original assignee: Shanghai Longcheer Technology Co Ltd
Current assignee: Shanghai Longcheer Technology Co Ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-11-01
Anticipated expiration: 2032-05-09

Abstract

The utility model aims at providing an in-ear earphone's circuit structure and in-ear earphone, this in-ear earphone's circuit structure for set up in-ear earphone's shell cavity, it mainly by set up the main circuit board in the shell cavity, set up the battery circuit board in the back cavity space of shell cavity to and constitute such as in-ear circuit board. The battery circuit board is arranged in the rear cavity space of the shell cavity and is electrically connected with the main circuit board; the in-ear circuit board is arranged in the front cavity space of the shell cavity and connected with the battery circuit board; also, the in-ear type circuit board includes: the battery circuit board bending device comprises a bonding part and a bending part, wherein the bonding part is bonded with the inner wall of the front cavity space of the shell cavity, and the bending part is connected with the bonding part and is used for connecting the battery circuit board. Compared with the prior art, the circuit structure of the in-ear earphone can simplify the circuit structure, is convenient to operate, and can well avoid the phenomenon of poor contact.

Description

Circuit structure of in-ear earphone and in-ear earphone

Technical Field

The utility model relates to a communication field especially relates to an in-ear earphone's circuit structure and in-ear earphone.

Background

The in-ear earphone is a common earphone, and is characterized in that a rubber plug is inserted into an ear canal on the basis of a common earphone to obtain better tightness, so that the in-ear earphone has the advantages of reducing the interference of external noise on music, reducing sound leakage and the like, can not obtain good sound effect by means of lower volume in a noisy environment, is widely used and is very popular with consumers.

At present, in the market, a plurality of in-ear earphones have an in-ear detection function, namely when a user takes the earphones, music continues to be played, when the user takes the earphones off, the music is paused to be played, good humanized experience can be brought, and the electric energy can be saved. Under the general condition, the in-ear detection realizes control through the in-ear circuit board of the electric capacity of taking or the light sense of the circuit structure of in-ear earphone inside, however, in prior art, the in-ear circuit board is at the in-process of connecting the mainboard, because the space of the cavity of in-ear earphone is comparatively narrow and small, and the electron device that possesses is more, therefore comparatively complicated of its connection structure design, not only convenient operation, the phenomenon of contact failure has very easily appeared moreover, the experience degree of product has been influenced.

Therefore, how to provide an in-ear earphone's circuit structure and in-ear earphone can simplify circuit structure, convenient operation, and can avoid appearing contact failure phenomenon betterly is the utility model discloses the technical problem who needs to solve urgently.

SUMMERY OF THE UTILITY MODEL

To the shortcoming or the deficiency of the above prior art, the to-be-solved technical problem of the utility model is how to provide a circuit structure of in-ear earphone, can simplify circuit structure, convenient operation, and can avoid appearing contact failure's phenomenon betterly.

In order to solve the technical problem, the utility model provides an in-ear earphone's circuit structure for set up in-ear earphone's the shell cavity, include: a main circuit board disposed within the housing cavity;

the battery circuit board is arranged in the rear cavity space of the shell cavity and is electrically connected with the main circuit board;

the in-ear circuit board is arranged in the front cavity space of the shell cavity and is connected with the battery circuit board;

wherein, the in-ear circuit board includes: the bending part is connected with the bonding part and is used for connecting the battery circuit board.

Further preferably, the attaching portion includes: the curved surface area is used for being attached to the inner wall forming the front cavity space; the through hole is formed in the curved surface area and is used for communicating with an ear inlet of the in-ear earphone; and the extension area is used for connecting the curved surface area and the bending part.

Further preferably, the bent part extends from the front cavity space to the rear cavity space of the shell cavity; wherein, the portion of bending includes: the battery circuit board is arranged below the battery and is electrically connected with the battery circuit board; the supporting area is used for being arranged above the loudspeaker; the bending area is used for being matched with the supporting area to form an avoiding space for avoiding the loudspeaker, and at least part of the bending area is in electric welding connection with the side part of the loudspeaker.

Further preferably, at least a part of the bending region is attached to and arranged around the surface of the horn, and is in electric welding connection with the side of the horn.

Further preferably, the support region has an interface member; the battery circuit board has a socket member for insertion into the interface member to form an electrical connection.

Further preferably, the battery circuit board includes: a bearing part used for bearing the battery and electrically connected with the battery, and an annular part used for accommodating the annular space of the battery; a connecting portion connected to the annular portion; one end of the connecting part is electrically connected with the main circuit board through the row buckle structure.

Further preferably, a positioning hole is formed in the in-ear circuit board; and a positioning column matched with the positioning hole is arranged in the shell cavity.

Further preferably, a capacitor for in-ear detection is arranged on the battery circuit board.

Further preferably, the present application also provides an in-ear headphone, comprising a housing, a circuit structure of the in-ear headphone; wherein the housing has the housing cavity.

Further preferably, the housing includes: a front housing for mounting the in-ear circuit board; a middle case for mounting the battery circuit board and the battery; a rear case for mounting the main circuit board; wherein the front shell, the middle shell and the rear shell form the shell by means of gluing.

Compared with the prior art, the circuit structure of the in-ear earphone and the in-ear earphone can be simplified, the operation is convenient, and the phenomenon of poor contact can be well avoided.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1: the utility model discloses an explosion structure sketch map of an in-ear earphone in the first embodiment;

FIG. 2: the utility model discloses an external structure schematic diagram of an in-ear earphone in a first embodiment;

FIG. 3: the structure schematic diagram of the first embodiment of the present invention when the in-ear circuit board is combined with the battery circuit board;

FIG. 4 is a schematic view of: the structure corresponding to the cross-section A-A in FIG. 2 isbase:Sub>A schematic cross-sectional structure shown on the surface A-A in FIG. 3;

FIG. 5 is a schematic view of: the structure diagram corresponding to the cross section B-B in FIG. 2 is the cross-sectional structure diagram on the surface A-A in FIG. 3;

FIG. 6: the structure of the first embodiment of the present invention is schematically illustrated when the in-ear circuit board is combined with the speaker;

FIG. 7: the structure schematic diagram of the first embodiment of the present invention when the battery circuit board is combined with the battery;

FIG. 8: the utility model discloses a schematic three-dimensional structure diagram when the in-ear circuit board is combined with the battery circuit board, the battery and the main circuit board in the first embodiment;

reference numerals: the microphone comprises a tail plug 1, a face shell body 2, a main circuit board 3, an MIC assembly sleeve 4, a middle shell 5, a battery 6, a loudspeaker 7, a front cavity tuning net 8, a front shell 9, a battery circuit board 10, a row buckle structure 101, a connecting part 102, an annular part 103, a bearing part 105, an ear entering circuit board 11, a positioning hole 1110, an attaching part 111, a bending part 112, a supporting area 1121, a bending area 1122, a sound outlet mesh cloth 12, a curved surface area 1111 and an extending area 1112.

Detailed Description

The conception, the specific structure and the technical effects produced by the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Example one

As shown in fig. 1 to 5, a first embodiment of the present invention provides a circuit structure of an in-ear earphone, which is configured in a housing cavity of the in-ear earphone, and the circuit structure of the in-ear earphone mainly comprises a main circuit board 3 disposed in the housing cavity (not shown), a battery circuit board 10 disposed in a rear cavity space of the housing cavity, and an in-ear circuit board 11. Moreover, it should be noted that the in-ear earphone in this embodiment may be a half-in-ear earphone or a full-in-ear earphone, which is not specifically limited and described herein.

Wherein, the battery circuit board 10 is arranged in the back cavity space of the shell cavity and is electrically connected with the main circuit board 3; the in-ear circuit board 11 is disposed in the front cavity space of the case cavity and connected to the battery circuit board 10. The in-ear type circuit board 11 may be configured by a bonding portion 111 bonded to the inner wall of the front cavity space of the case cavity, a bent portion 112 connected to the bonding portion 111 and used for connecting the battery circuit board 10, and the like.

According to the above, the following contents are: adopt in this embodiment in the ear formula circuit board 11, directly arrange the front chamber space of shell cavity in, and link to each other with battery circuit board 10 and can accomplish the assembly, and, because each portion of ear formula circuit board 11 can laminate the inner wall in front chamber space, and bend portion 112 and can adjust its connection route in front chamber space again, consequently can be different cavity space in ear formula circuit board 11 and battery circuit board 10 connection demand, can overcome the defect that need adopt more than two ear formula circuit boards 11 to make up and just can connect battery circuit board 10 among the prior art, thereby can simplify circuit structure betterly, convenient operation, and can avoid appearing contact failure's phenomenon betterly. In addition, because laminating portion 111 of in-ear circuit board 11 laminates with the inner wall in the front cavity space of shell cavity, accords with human engineering design more, is favorable to reducing the interference of signal, promotes the precision that the in-ear detected.

To illustrate the working principle of the present embodiment, the following description is made: when a person puts the earphone into the ear canal for wearing, the earphone is contacted with a human body, the capacitance value of the human body is detected by the earphone-entering detection capacitor and then is transmitted to the PCBA component, the PCBA component converts the capacitance value into data, and whether the earphone is in the ear is judged according to the data value;

when the earphone detects that the earphone is in the ear, the earphone loudspeaker outputs a sound source (the output indicates that the loudspeaker plays sound), and when the earphone is removed, the in-ear detection capacitance value changes, so that music is paused.

Specifically, in order to meet the design and assembly requirements in practical applications, the attaching portion 111 in this embodiment may be formed by a curved surface region 1111 for attaching to an inner wall forming the front cavity space, a through hole 110 formed on the curved surface region for communicating with an ear inlet of the in-ear headphone, and an extending region 1112 for connecting the curved surface region and the bending portion.

Further preferably, the bending portion 112 extends from the front cavity space to the rear cavity space of the shell cavity; wherein, bending portion 112 includes: a support region 1121 for being disposed below the battery 6 of the in-ear headphone and electrically connected to the battery circuit board 10, a bending region 1122 having one end connected to the support region and the other end connected to the attachment portion 111; the supporting region 1121 is configured to be disposed above the speaker 7 of the in-ear headphone; the bending area is used for being matched with the supporting area to form an avoiding space for avoiding the loudspeaker 7, and at least part of the bending area is electrically connected with the side part of the loudspeaker 7 through electric welding, for example, two contacts 71 of the loudspeaker 7 are electrically connected. Through the structure, when the in-ear circuit board 11 avoids the loudspeaker 7 in a narrow front cavity space, the electric connection between the in-ear circuit board 11 and the loudspeaker 7 as well as the electric connection between the in-ear circuit board 11 and the battery circuit board 10 are also realized. Further, with this structure, the position fixation of the in-ear circuit board 11 and the horn 7 is achieved.

Further preferably, at least a part of the bending region is closely attached and arranged around the surface of the horn 7 and forms an electric welding connection with the side of the horn 7.

Further preferably, the support area has an interface 1123; the battery circuit board 10 has a socket member 1041 for insertion into the interface member to form an electrical connection. Wherein, the interface member and the socket member can jointly constitute a row buckle structure.

Further preferably, the battery circuit board 10 may be configured by a receiving portion 104 for receiving and electrically connecting the battery 6, an annular portion 103 of an annular space for accommodating the battery 6, a connecting portion 102 connected to the annular portion 103, and the like. One end of the connecting part 102 is electrically connected with the main circuit board 3 through the row buckle structure 101. The battery 6 is electrically connected to the socket 104 through the anode member 105 and the anode member 106. The anode part 105 and the anode part 106 may be metal conductive sheets, which may be a part of a battery, or a part of the battery circuit board 10, and are not specifically limited and described herein.

Further preferably, the in-ear circuit board 11 is provided with a positioning hole 1110; a positioning column matched with the positioning hole 1110 is arranged in the shell cavity. Through the cooperation of the positioning hole 1110 and the positioning post, the in-ear type circuit board 11 can be prevented from shaking in the front cavity space, so as to avoid the influence on the detection precision of the in-ear type circuit board 11.

Further preferably, a capacitor (not shown) for ear insertion detection is provided on the battery circuit board 10.

In addition, it is noted that the main Circuit Board 3 in the present embodiment is preferably a PCBA Assembly (Printed Circuit Board Assembly).

In addition, it is worth mentioning that the housing in the present embodiment may be composed of a front case 9 for mounting the in-ear type circuit board; a middle case 5 for housing the battery circuit board 10 and the battery 6; a rear case for housing the main circuit board 3, and the like. Wherein, the front shell 9, the middle shell 5 and the rear shell form a shell body in a gluing mode. The rear shell is mainly connected by a face shell main body 2 and a tail plug 1 detachably connected with the face shell main body 2.

Furthermore, it is worth mentioning that the circuit structure of the in-ear headphone of the present embodiment further includes: the MIC component case 4, such as an MIC tuning net, and a silicone case, such as a call tuning net 41, a silicone case 42, an FF tuning net 43, and an FF silicone case 44 shown in fig. 5, are provided in the rear case. Through the cooperation of tuning net and silica gel cover, can play better tuning effect to the audio.

In addition, the circuit structure of the in-ear headphone of the present embodiment further includes: a front cavity tuning net 8 for being disposed in the through hole 110; and a sound outlet mesh cloth 12 arranged at the sound outlet of the front shell 9. Through this structure, can play waterproof dustproof to and effects such as the high low frequency debugging of acoustics.

Example two

The application also provides an in-ear earphone, which comprises a shell and the circuit structure of the in-ear earphone in the embodiment; wherein, the shell has above-mentioned shell cavity.

Moreover, it should be noted that the in-ear earphone in this embodiment may be a half-in-ear earphone or a full-in-ear earphone, which is not specifically limited and described herein.

According to the above, the following contents are: since the in-ear earphone in this embodiment employs the above-mentioned in-ear circuit board, the front cavity space of the case cavity is directly placed, and the in-ear earphone is connected to the battery circuit board 10, and the assembly can be completed, and since each part of the in-ear circuit board can be attached to the inner wall of the front cavity space, and the connection route of the in-ear circuit board in the front cavity space can be adjusted by the bending part 112, the connection requirements of the in-ear circuit board and the battery circuit board 10 in different cavity spaces can be met, and the defect that the battery circuit board 10 can be connected only by combining more than two in-ear circuit boards in the prior art can be overcome, thereby simplifying the circuit structure better, facilitating the operation, and avoiding the phenomenon of bad contact better. In addition, because laminating portion 111 of in-ear circuit board laminates with the inner wall in the front cavity space of shell cavity, accords with human engineering design more, is favorable to reducing the interference of signal, promotes the precision that the in-ear detected.

The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit the same, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the scope of the claims of the present invention should be covered thereby.

Claims

1. A circuit arrangement for an in-ear headphone for being disposed within a housing cavity of the in-ear headphone, comprising: a main circuit board disposed within the housing cavity; it is characterized by also comprising:

wherein, the in-ear circuit board includes: the battery circuit board bending device comprises a bonding part and a bending part, wherein the bonding part is bonded with the inner wall of the front cavity space of the shell cavity, and the bending part is connected with the bonding part and is used for connecting the battery circuit board.

2. The circuit structure of an in-ear headphone according to claim 1, wherein the attaching portion includes: the curved surface area is used for being attached to the inner wall forming the front cavity space; the through hole is formed in the curved surface area and is used for communicating with an ear inlet of the in-ear earphone; and the extension area is used for connecting the curved surface area and the bending part.

3. The circuit structure of an in-ear headphone as defined in claim 2, wherein the bent portion extends from the front cavity space into a rear cavity space of the housing cavity; wherein, the portion of bending includes: the battery circuit board is arranged below the battery and comprises a support area and a bending area, wherein the support area is arranged below the battery and electrically connected with the battery circuit board, one end of the bending area is connected with the support area, and the other end of the bending area is connected with the attaching part; the supporting area is arranged above the loudspeaker; the bending area is used for being matched with the supporting area to form an avoiding space for avoiding the loudspeaker, and at least part of the bending area is in electric welding connection with the side part of the loudspeaker.

4. A circuit arrangement for an in-ear headphone as claimed in claim 3, wherein at least a portion of the bending region is disposed closely around the surface of the speaker and is electrically connected to the side of the speaker.

5. The circuit arrangement of an in-ear headphone as claimed in claim 4, characterized in that the support area has an interface element; the battery circuit board has a socket member for insertion into the interface member to form an electrical connection.

6. The circuit structure of an in-ear headphone according to claim 5, wherein the battery circuit board includes: the bearing part is used for bearing the battery and is electrically connected with the battery, and the annular part is used for accommodating the annular space of the battery; a connecting portion connected to the annular portion; one end of the connecting part is electrically connected with the main circuit board through the row buckle structure.

7. The circuit structure of an in-ear earphone according to claim 5, wherein the in-ear circuit board is provided with a positioning hole; and a positioning column matched with the positioning hole is arranged in the shell cavity.

8. The circuit structure of an in-ear headphone according to claim 1, wherein the battery circuit board is provided with a capacitor for in-ear detection.

9. In-ear headphones, including the casing, its characterized in that includes: a circuit configuration of an in-ear headphone according to any one of claims 1 to 8; wherein the housing has the housing cavity.

10. An in-ear headphone according to claim 9, wherein the housing comprises: a front housing for mounting the in-ear circuit board; a middle case for mounting the battery circuit board and the battery; a rear case for mounting the main circuit board; the front shell, the middle shell and the rear shell form the shell in a gluing mode; the in-ear earphone is a half in-ear earphone or a full in-ear earphone.