CN218830557U - Earphone set - Google Patents

Abstract

The application provides a headset, including: a main circuit board which is a flexible circuit board (FPC) and includes: a plate body; a first extension portion and a second extension portion respectively extending from the plate body, the first extension portion including an FPC connector; the third extension part is detachably connected with the FPC connector; the loudspeaker is connected with the third extension part to be electrically connected with the main circuit board; and a power supply unit including a power supply probe detachably contacting the first side of the second extension part to electrically connect the main circuit board. The application aims to provide an earphone, so that at least the detachable connection of parts in the earphone is realized.

Description

Earphone set

Technical Field

Embodiments of the present application relate to a headset.

Background

The internal components of the existing earphone are usually combined by bonding or welding (the combining process includes installing a charging probe/magnet on the earphone shell, welding a lead on the inner side of the charging probe, installing a speaker in the earphone shell, using an adhesive material to bond the speaker and the earphone shell, installing a battery, welding the charging probe, the speaker and the battery to a main circuit board through the lead, and the like), and after the battery, the speaker, the charging probe and the main circuit board are combined, an electrical test is performed to confirm that the components can normally operate after the components are combined. The existing combination mode is time-consuming, has high requirements on processing environment, is easy to damage parts due to the influence of adhesive or high temperature (high welding temperature), can decompose the parts by destructive modes such as unsoldering and the like when a test result is abnormal, and can damage the parts in the disassembling process due to reason checking.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the related art, an object of the present application is to provide a headset, so as to at least achieve a detachable connection of some parts in the headset.

To achieve the above object, the present application provides a headset including: a main circuit board which is a flexible circuit board (FPC) and includes: a plate body; a first extension portion and a second extension portion respectively extending from the plate body, the first extension portion including an FPC connector; a third extension part detachably connected with the FPC connector; the loudspeaker is connected with the third extension part to be electrically connected with the main circuit board; and a power supply unit including a power supply probe detachably contacting the first side of the second extension part to electrically connect the main circuit board.

In some embodiments, the headset further comprises: and a housing accommodating the main circuit board and the power supply unit, the housing including a main housing and a rear cover coupled to each other, a front portion of the main housing having a first opening in which the speaker is latched.

In some embodiments, the speaker has a first protrusion on a side surface thereof, and the first opening has a first groove on an inner wall thereof, and the first protrusion is located in the first groove to realize fastening.

In some embodiments, the power supply unit further includes a battery detachably contacting a second side of the second extension, the second side being opposite to the first side.

In some embodiments, the power supply unit further includes a battery holder having a bottom wall and a plurality of legs extending from the bottom wall to accommodate the second extension portion and the battery, the battery holder being fastened to the main housing.

In some embodiments, the second extending portion is located between the battery holder and the battery, the battery holder has a through hole penetrating through the bottom wall, and the first side of the second extending portion is exposed by the through hole.

In some embodiments, the power supply probe detachably contacts a portion of the first side exposed by the through hole.

In some embodiments, the power supply probe is embedded on the main housing and penetrates through the main housing, and an end of the power supply probe located inside the main housing contacts a portion of the first side exposed by the through hole.

In some embodiments, the headset further comprises a magnet, and the inner wall of the main housing further comprises a blind hole, the blind hole accommodating the magnet.

In some embodiments, the second extension is located between the battery and the bottom wall, and on the battery and one of the legs, to contact the negative and positive poles of the battery.

In some embodiments, at least one leg extends beyond the battery and has a stop structure abutting the battery.

In some embodiments, the legs are disposed toward the back cover.

In some embodiments, the main circuit board further comprises: a fourth extension portion extending from the board body, the fourth extension portion configured as an antenna; the inner shell is located between the rear cover and the plate body of the main circuit board, and the fourth extending portion extends to the position between the inner shell and the rear cover.

In some embodiments, the main circuit board further includes a fifth extension extending from the plate body, and the earphone further includes a microphone disposed on the fifth extension.

In some embodiments, the fifth extension extends between the inner shell and the rear cover.

In some embodiments, the inner shell protrudes towards the rear cover.

In some embodiments, the headset further comprises: and the ear cap is connected with the loudspeaker and buckled on the first opening.

Drawings

Fig. 1 illustrates an exploded view of an earphone 100 according to an embodiment of the present application, and fig. 2 illustrates an assembled schematic view of the earphone 100 according to an embodiment of the present application.

Fig. 3 shows a diagram of the expanded state of the main body portion.

Fig. 4 shows an enlarged view of an FPC connector according to an embodiment of the present application.

FIG. 5 shows an enlarged view of a first pogo pin according to an embodiment of the present application.

Fig. 6 shows the back of the body portion shown in fig. 3.

Fig. 7A and 7B show a speaker and a main housing according to an embodiment of the present application separately, and fig. 8 shows an assembling direction of the speaker and the main housing according to the embodiment of the present application.

Fig. 9 illustrates a battery holder according to an embodiment of the present application.

Fig. 10 and 11 illustrate different angles of the main housing according to embodiments of the present application.

Fig. 12 shows the inner housing snapped onto the main housing.

Fig. 13 shows the main body part of the main circuit board after winding, fig. 14 shows the battery, and fig. 15 shows a separate battery holder, a separate main body part, and a view of the battery holder assembled with the main body part, respectively.

Fig. 16 shows a separate battery holder, a separate body portion, and a view in which the battery holder and the body portion are assembled, respectively, at a different angle from fig. 15.

Fig. 17 and 18 show exploded and assembled views of a headset according to various embodiments of the present application.

Detailed Description

In order to better understand the spirit of the embodiments of the present application, the following further description is given in conjunction with some preferred embodiments of the present application.

Embodiments of the present application will be described in detail below. Throughout the specification, the same or similar components and components having the same or similar functions are denoted by like reference numerals. The embodiments described herein with respect to the figures are illustrative in nature, are diagrammatic in nature, and are used to provide a basic understanding of the present application. The embodiments of the present application should not be construed as limiting the present application.

As used herein, the terms "substantially", "essentially" and "about" are used to describe and illustrate small variations. When used in conjunction with an event or circumstance, the terms can refer to both an instance in which the event or circumstance occurs precisely as well as an instance in which the event or circumstance occurs in close proximity.

In this specification, unless specified or limited otherwise, relative terms such as: the words "central," "longitudinal," "lateral," "front," "rear," "right," "left," "inner," "outer," "lower," "upper," "horizontal," "vertical," "above," "below," "top," "bottom," and derivatives thereof (e.g., "horizontally," "downwardly," "upwardly," etc.) should be construed to refer to the orientation as then described in the discussion or as shown in the drawing. These relative terms are for convenience of description only and do not require that the present application be constructed or operated in a particular orientation.

For convenience in description, "first," "second," "third," and the like may be used herein to distinguish between different components of a figure or series of figures. "first," "second," "third," etc. are not intended to describe corresponding components.

Fig. 1 illustrates an exploded view of an earphone 100 according to an embodiment of the present application, and fig. 2 illustrates an assembled schematic view of the earphone 100 according to an embodiment of the present application. The main circuit board 10 in fig. 1 is divided into a main body portion 19 and a third extending portion 13, the main body portion 19 shown in fig. 1 is a schematic view, fig. 3 shows an unfolded state of the main body portion 19, and the main body portion 19 includes a plate body 18, a first extending portion 11, a second extending portion 12, a fourth extending portion 14, a fifth extending portion 15, and a sixth extending portion 16. Fig. 4 illustrates an enlarged view of the FPC connector 110 according to an embodiment of the present application, fig. 5 illustrates an enlarged view of the first pogo pin 90 according to an embodiment of the present application, the second pogo pin 92, the third pogo pin 93 illustrated in fig. 6 are the same as the first pogo pin 90, and fig. 6 illustrates a rear surface of the main body portion 19 illustrated in fig. 3.

Referring to fig. 1 to 6 in combination, the present application provides an earphone 100, including: a main circuit board 10, the main circuit board 10 being a flexible circuit board (FPC) and including: a plate body 18; a first extension portion 11 and a second extension portion 12, respectively extending from the board body 18, the first extension portion 11 including an FPC connector 110; a third extension portion 13 detachably connected to the FPC connector 110; a speaker 20 connected to the third extension 13 to electrically connect the main circuit board 10; and a power supply unit 30 including a power supply probe 32 detachably contacting the first side 121 of the second extension portion 12 to electrically connect the main circuit board 10. The embodiment of the present application connects the speaker 20 to the FPC connector 110 on the main body portion 19 through the third extension 13 of the main circuit board 10, enabling a detachable connection therebetween; in addition, the power supply probe 32 is detachably contacted with the second extension part 12 of the main circuit board 10, so that the electrical connection mode is convenient to assemble and disassemble, and the parts cannot be damaged during disassembly. In some embodiments, the FPC connector 110 may be a Zero Insertion Force (ZIF) connector, a board-to-board (BTB) connector, an FPC connector such as disclosed in patent documents CN1808779A, CN108923148A, CN111755929A, and the like. In fig. 3, the inlet 112 of the FPC connector 110 faces the board body 18. In some embodiments, the board body 18 of the main circuit board 10 may be integrated with electronic devices such as a processor.

In some embodiments, the headset 100 further comprises: and a housing 40 accommodating the main circuit board 10 and the power supply unit 30, the housing 40 including a main housing 42 and a rear cover 44 coupled to each other, a front portion of the main housing 42 having a first opening 420, and the speaker 20 being latched in the first opening 420. In some embodiments, the headset 100 further comprises: ear cap 80, connected to speaker 20 and clasped over first opening 420.

Referring to fig. 1 and 7A to 9 in combination, in some embodiments, the speaker 20 has first protrusions 200 symmetrically disposed on the side surface thereof, and the first opening 420 has first recesses 422 symmetrically facing on the inner wall thereof, and the first protrusions 200 are located in the first recesses 422 for fastening.

Referring to fig. 3, 6, 9, 13, 14 and 15 in combination, fig. 13 shows the main body part 19 of the wound main circuit board 10, fig. 14 shows the battery 39, and fig. 15 shows the battery holder 34 alone, the main body part 19 alone, and the assembled view of the battery holder 34 and the main body part 19, respectively. In some embodiments, after installation is complete, the second extension 12 is positioned between the battery 39 and the bottom wall 340 and over the battery 39 and one of the legs 342 to contact the negative and positive poles of the battery 39. After the installation is completed, the first pogo pin 90 (see fig. 3, 13 and 15) of the first side 121 is located in the through hole 344 (see fig. 9 and 15), and the second extension 12 (see fig. 3 and 4) is bent, the second pogo pin 92 (see fig. 6 and 13) of the second side 122 is located between one of the legs 342 and the sidewall of the battery 39, and the third pogo pin 93 (see fig. 6 and 13) of the second side 122 is located between the bottom wall 340 (see fig. 9) and the bottom surface of the battery 39. The battery 39 is mounted in the accommodation space 190 surrounded by the main body portion 19, and the bottom surface (negative pole) of the battery 39 abuts against the third pogo pin 93, and the side surface (positive pole) of the battery 39 abuts against the second pogo pin 92. The second pogo pin 92 may be located on the second extension 12 as shown in fig. 6, or may be located on the sixth extension 16 as shown in fig. 13.

Referring to fig. 1, 3, 6, 9, 10, 11, 13, 14, and 15 in combination, in some embodiments, the power supply unit 30 further includes a battery 39 (see fig. 1) detachably contacting a second side 122 (see fig. 6) of the second extension 12, the second side 122 being opposite the first side 121 (see fig. 3). In some embodiments, the power supply unit 30 further includes a battery holder 34 (see fig. 9), the battery holder 34 having a bottom wall 340 and a plurality of legs 342 extending from the bottom wall 340 to accommodate the second extension 12 and the battery 39, the battery holder 34 being fastened to the main housing 42. In some embodiments, the inner side of the main housing 42 has a second protrusion 424 (see fig. 10), and the outer periphery of the battery holder 34 has a second groove 346 (see fig. 9), and the second protrusion 424 is snapped into the second groove 346 during mounting, so as to fasten the battery holder 34 and the main housing 42. In some embodiments, referring to fig. 15, after the installation is completed, the second extension portion 12 is located at the bottom of the battery seat 34, and as shown in fig. 13 and 14, the battery 39 is installed in the accommodating space 190 enclosed by the main body portion 19, the battery seat 34 has a through hole 344 penetrating through the bottom wall 340, the first side 121 (see fig. 3 and 15) of the second extension portion 12 is exposed by the through hole 344, specifically, the first pogo pin 90 on the first side 121 is accommodated in the through hole 344, and the first pogo pin 90 exceeds an end surface of the through hole 344, which faces away from the battery 39, when not being abutted/pressed. In some embodiments, after the installation is completed, the power supply probes 32 (see fig. 10 and 11) may separably contact the portions of the first side 121 exposed by the through holes 344, and in particular, the two power supply probes 32 may separably contact the two first pogo pins 90 in one-to-one correspondence. In some embodiments, the power probe 32 is embedded on the main housing 42 and penetrates the main housing 42, i.e., the hole 426 (see fig. 7B, 8 and 10) accommodating the power probe 32 is a through hole, and an end of the power probe 32 located on the inner side of the main housing 42 contacts a portion of the first side 121 exposed by the through hole 344, specifically, an end of the power probe 32 located on the inner side of the main housing 42 contacts the first pogo pin 90. In some embodiments, the headset 100 further includes a magnet 50 (see fig. 10 and 11), and the inner wall of the main housing 42 further has a blind hole 428 therein, the blind hole 428 accommodating the magnet 50.

Referring collectively to fig. 1 and 9, in some embodiments, after installation, at least one leg 342 extends beyond the battery 39 and has a stop 344 that abuts the battery 39. In some embodiments, the feet 342 are disposed toward the rear cover 44.

Referring to fig. 1, 3, 6 and 12, in some embodiments, the main body portion 19 of the main circuit board 10 further includes: a fourth extension portion 14 extending from the board body 18, the fourth extension portion 14 configured as an antenna; the earphone 100 further includes an inner case 115 between the rear cover 44 and the plate body 18 of the main circuit board 10, the fourth extension 14 extending between the inner case 115 and the rear cover 44, and the plate body 18 between the inner case 115 and the battery 39. In some embodiments, the inner shell 115 protrudes toward the rear cap 44. Referring to fig. 9, in some embodiments, the battery holder 34 further includes first and second jaw structures 348, 349 extending away from the outer side of the leg 342, the first and second jaw structures 348, 349 facing each other and having extended top ends that are spaced apart a lesser distance than extended bottom ends of the first and second jaw structures. Referring to fig. 16, fig. 16 shows a view of the battery holder 34 alone, the body portion 19 alone, and the battery holder 34 assembled with the body portion 19, respectively, at a different angle from fig. 15, and after installation, the first extension 11 is located in the space 347 enclosed by the first and second claw structures 348, 349. Referring to fig. 3, in some embodiments, the main circuit board 10 further includes a fifth extension 15 extending from the board body 18, and the earphone 100 further includes a microphone 70 disposed on the fifth extension 15. In some embodiments, referring to fig. 12, the fifth extension 15 also extends between the inner shell 115 and the rear cover 44.

Referring to fig. 3 and 6, in some embodiments, the main circuit board 10 is substantially cross-shaped in the unfolded state.

The embodiment of the present application further provides a method for installing the earphone 100: as shown in fig. 11, the charging probe 32 and the magnet 50 are mounted in the hole 426 and the blind hole 428, respectively; speaker 20 shown in fig. 1 is mounted within first opening 420 of main housing 42; placing the second extension 12 of the main body portion 19 of the main circuit board 10 shown in fig. 3 and 6 in the battery holder 34 shown in fig. 9, wherein the two first spring pins 90 on the first side 121 are placed in the two through holes 344 in a one-to-one correspondence, and the third spring pin 93 of the second side 122 is located at the bottom wall 340 of the battery holder 34, and the second spring pin 92 of the second side 122 is located at the leg 342 of the battery holder 34; the battery 39 shown in fig. 1 is clamped in the battery holder 34 shown in fig. 1 and 9, and the second spring pin 92 and the third spring pin 93 are respectively electrically connected with the positive pole and the negative pole of the battery 39; inserting the third extension 13 to which the speaker 20 is connected into the FPC connector 110 shown in fig. 3 and 4; testing is carried out, if the test is normal, the next step of installation is carried out, if the test is abnormal, the third extension part 13 and the FPC connector 110 can be directly disassembled, namely, the electric connection between the loudspeaker 20 and the main body part 19 of the main circuit board 10 is released, the abnormal reason between the loudspeaker 20 and the main body part 19 of the main circuit board 10 is confirmed (the test of the main body part 19 is carried out, if no abnormal condition exists, the loudspeaker 20 is confirmed to be abnormal), and then the assembly is carried out again; the first extension 11 shown in fig. 3 and 6 is bent to be put into the space 347 shown in fig. 9; bending and attaching the sixth extending portion 16 (which may integrate electronic devices such as a memory, a sensor, etc.) shown in fig. 3 and 6 to the bottom surface of the battery seat 34 shown in fig. 9, wherein the sixth extending portion 16 is separated from the through hole 344 to avoid contacting with the first pogo pin 90 located in the through hole 344; placing the battery holder 34 in the main housing 42, and the second protrusion 424 (see fig. 10) on the inner side of the main housing 42 is snapped into the second groove 346 (see fig. 9) on the outer circumference of the battery holder 34; buckling the inner housing 115 to the main housing 42 as shown in fig. 12; the fourth extension part 14 and the fifth extension part 15 shown in fig. 3 and 6 are bent and attached to the outside of the inner case 115; finally, the rear cover 44 is snapped onto the main housing 42 (see fig. 2).

Since the speaker 20 of the present application is connected to the main body 19 of the main circuit board 10 without soldering, the problem of solder joint abnormality as in the prior art can be eliminated, since the speaker 20 is easily and quickly disassembled from the main body 19 of the main circuit board 10, and the disassembling process does not require the steps such as solder disassembling as in the prior art, and the parts are not easily damaged.

The headset 100 of the present application may be various forms/functions of headsets including True Wireless (TWS) headsets, active noise reduction (ANC) headsets, hearing aids, bone conduction headsets, sleep aid related headsets, multi-function headsets, or other forms/functions of headset products.

The embodiment of the application uses a building block type stacking method to assemble the earphone, parts in the earphone are connected in a spring needle or buckle connection mode, the assembling time is saved, a special processing environment used by a welding process is not needed, the existing welding point is avoided, and the assembling yield is improved

Fig. 17 and 18 show an exploded view and an assembly view of the earphone 100 according to various embodiments of the present application, in which the earphone 100 may be implemented using a Printed Circuit Board (PCB) 230 and a flexible printed circuit board (FPC) 202 in combination, wherein the Printed Circuit Board (PCB) 230 replaces the board body 18 of the main body part 19 shown in fig. 1, and the microphone 70 is located on the Printed Circuit Board (PCB) 230, the flexible printed circuit board (FPC) 202 replaces the remaining part of the main body part 19 shown in fig. 1, the flexible printed circuit board (FPC) 202 electrically connects the speaker 20, and the flexible printed circuit board (FPC) 202 is connected to a second FPC connector 232 of the Printed Circuit Board (PCB) 230 to implement electrical connection.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. An earphone, comprising:

a main circuit board that is a flexible circuit board (FPC) and includes:

a plate body;

a first extension portion and a second extension portion respectively extending from the board body, the first extension portion including an FPC connector;

a third extension part detachably connected with the FPC connector;

a speaker connected to the third extension part to be electrically connected to the main circuit board;

and a power supply unit including a power supply probe detachably contacting the first side of the second extension part to electrically connect the main circuit board.

2. The headset of claim 1, further comprising:

a housing accommodating the main circuit board and the power supply unit, the housing including a main housing and a rear cover coupled to each other, a front portion of the main housing having a first opening, the speaker being latched in the first opening.

3. The headset of claim 2, wherein the power unit further comprises a battery detachably contacting a second side of the second extension, the second side being opposite the first side.

4. The headset of claim 3, wherein the power supply unit further comprises a battery holder having a bottom wall and a plurality of legs extending from the bottom wall to receive the second extension and the battery, the battery holder being snap-fitted to the main housing.

5. The earphone according to claim 4, wherein the second extension portion is located between the battery holder and the battery, the battery holder has a through hole penetrating through the bottom wall, and the first side of the second extension portion is exposed by the through hole.

6. The headset of claim 5, wherein the power probe is embedded on and extends through the main housing, and an end of the power probe located inside the main housing contacts a portion of the first side exposed by the through hole.

7. The headset of claim 5, wherein the second extension is located between the battery and the bottom wall and on the battery and one of the legs to contact the negative and positive poles of the battery.

8. The headset of claim 3, wherein the main circuit board further comprises:

a fourth extension portion extending from the board body, the fourth extension portion configured as an antenna;

an inner case between the rear cover and the plate body of the main circuit board, the fourth extension extending between the inner case and the rear cover.

9. The headset of claim 8, wherein the main circuit board further comprises a fifth extension extending from the plate body, the headset further comprising a microphone disposed on the fifth extension.

10. The earphone of claim 9 wherein the fifth extension extends between the inner housing and the back cover.

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