CN108696782B

CN108696782B - Drive-by-wire subassembly and drive-by-wire formula bluetooth headset

Info

Publication number: CN108696782B
Application number: CN201810312557.7A
Authority: CN
Inventors: 杨建华; 高岩; 董波
Original assignee: Anker Innovations Co Ltd
Current assignee: Anker Innovations Co Ltd
Priority date: 2018-04-09
Filing date: 2018-04-09
Publication date: 2020-09-15
Anticipated expiration: 2038-04-09
Also published as: CN108696782A; WO2019196582A1

Abstract

The application discloses drive-by-wire subassembly and drive-by-wire formula bluetooth headset, the drive-by-wire subassembly includes: the first shell is provided with a first through hole for communicating the inner space and the outer space; the printed circuit board is positioned in the first shell and is arranged at intervals with the inner surface of the area of the first shell, which is provided with the first through hole; the waterproof piece is clamped between the printed circuit board and the inner surface of the area of the first shell provided with the first through hole, is in contact with the printed circuit board and the inner surface of the area of the first shell provided with the first through hole in a sealing mode, and is provided with a second through hole communicated with the first through hole; and the universal serial bus female seat is inserted into the first through hole and the second through hole and is electrically connected with the printed circuit board. Through the mode, the waterproof effect of the universal serial bus female seat of the drive-by-wire assembly can be improved.

Description

Drive-by-wire subassembly and drive-by-wire formula bluetooth headset

Technical Field

The application relates to the technical field of earphones, in particular to a drive-by-wire assembly and a drive-by-wire Bluetooth earphone.

Background

With the wide application of wireless bluetooth technology, the occupation ratio of bluetooth headsets in the field of headsets is higher and higher. And at present, people who like outdoor exercises (such as running, mountain climbing, traveling and the like) are more and more, and the wire control type bluetooth headset (also named as a sports bluetooth headset) is becoming a new favorite in the headset market due to the characteristics of portability, smallness and convenience in carrying.

The waterproof grade requirement of the wire control type Bluetooth headset in the market is IPx5 (namely, water spraying to all directions of the shell of the wire control type Bluetooth headset has no harmful effect). In order to meet the waterproof requirement of IPx5 grade, key devices on a printed circuit board are generally required to be protected, and a waterproof coating film is plated on the surface of the whole printed circuit board; in addition, a universal serial bus female seat cover body is added on the shell of the line control type Bluetooth headset corresponding to the opening position of the universal serial bus female seat.

The inventor of this application discovers in long-term research and development process that the sweat that intakes most of wire control formula bluetooth headset on the market all takes place in the female seat department of universal serial bus, and the sweat that produces when the consumer moves gets into inside the back of earphone from the female seat department of universal serial bus, produces printed circuit board corruption, short circuit scheduling problem easily, makes whole earphone scrap when serious.

Content of application

The technical problem that this application mainly solved provides a drive-by-wire subassembly and drive-by-wire formula bluetooth headset, can improve the water-proof effects of the female seat department of universal serial bus of drive-by-wire subassembly.

In order to solve the technical problem, the application adopts a technical scheme that: providing a drive-by-wire assembly, the drive-by-wire assembly comprising: the first shell is provided with a first through hole for communicating the inner space and the outer space; the printed circuit board is positioned in the first shell and is arranged at intervals with the inner surface of the area of the first shell, which is provided with the first through hole; the waterproof piece is clamped between the printed circuit board and the inner surface of the area of the first shell provided with the first through hole, is in contact with the printed circuit board and the inner surface of the area of the first shell provided with the first through hole in a sealing mode, and is provided with a second through hole communicated with the first through hole; and the universal serial bus female seat is inserted into the first through hole and the second through hole and is electrically connected with the printed circuit board.

In order to solve the above technical problem, another technical solution adopted by the present application is: there is provided a bluetooth by wire earphone comprising an earphone body and the by wire assembly as described in any of the above embodiments.

The beneficial effect of this application is: unlike the prior art, the drive-by-wire assembly provided by the application comprises a first shell, a printed circuit board, a waterproof piece and a universal serial bus female seat; the first shell is provided with a first through hole communicated with the inner space and the outer space, the waterproof piece is provided with a second through hole communicated with the first through hole and clamped between the printed circuit board and the inner surface of the area of the first shell provided with the first through hole, and the universal serial bus female seat is inserted into the first through hole and the second through hole. The utility model provides a female periphery of seat of universal serial bus is provided with waterproof, and external liquid can only contact the female seat of universal serial bus, and can not permeate printed circuit board on, reduces the probability that printed circuit board takes place to corrode, short circuit scheduling problem.

In an application scene, a first opening is formed at a first end of the universal serial bus female seat, the first opening is far away from the printed circuit board, and the direction of the first opening is vertical to the printed circuit board; compared with the traditional design mode that the first opening direction is parallel to the printed circuit board, the design mode has the advantages that the gap needing to be controlled is reduced, and the probability of liquid permeating the printed circuit board due to the siphon effect is reduced; in addition, the first through hole of the first shell provided by the application is not required to be provided with a traditional universal serial bus female seat cover body, so that the cost of the wire control assembly is reduced, and the charging is more convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

FIG. 1 is a schematic structural diagram of an embodiment of a drive-by-wire assembly of the present application;

FIG. 2 is a schematic view of the line control assembly of FIG. 1 from another perspective;

FIG. 3 is an exploded view of the wire control assembly of FIG. 1;

FIG. 4 is an exploded view of the wire control assembly of FIG. 2;

FIG. 5 is a schematic cross-sectional view of one embodiment of the wire control assembly of FIG. 1;

FIG. 6 is a schematic diagram of an embodiment of the USB socket of FIGS. 1-5;

FIG. 7 is a cross-sectional view of one embodiment of the USB socket and the PCB of FIGS. 1-5 of FIG. 6;

FIG. 8 is a top view of one embodiment of the flashing and first housing of FIGS. 1-5;

fig. 9 is a schematic structural diagram of an embodiment of a bluetooth by wire headset according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-5, fig. 1 is a schematic structural diagram of an embodiment of a line control device of the present application, fig. 2 is a schematic structural diagram of another view angle of the line control device in fig. 1, fig. 3 is an exploded view of the line control device in fig. 1, fig. 4 is an exploded view of the line control device in fig. 2, and fig. 5 is a schematic cross-sectional diagram of an embodiment of the line control device in fig. 1. The by-wire assembly 1 includes a first housing 10, a Printed Circuit Board (PCBA)12, a waterproof member 14, and a Universal Serial Bus (USB) female socket 16.

Specifically, the first housing 10 is provided with a first through hole 100 communicating the inner and outer spaces; the outer space is an outer surface space of the drive-by-wire module 1, and the inner space 102 is opposite to the outer space. In one embodiment, the material of the first casing 10 is plastic, and in other embodiments, the material of the first casing 10 may be other, which is not limited in the present application.

The printed circuit board PCBA12 is positioned in the space 102 in the first shell 10 and is spaced from the inner surface 104 of the area of the first shell 10 provided with the first through hole 100; in one application scenario, different functional areas, such as a bluetooth communication functional area, a charging functional area, a volume operation control area, etc., are disposed on the printed circuit board 12. In another application scenario, in order to facilitate a user to control the drive-by-wire component 1 to perform some corresponding operations, for example, answer a call, hang up a call, increase volume, decrease volume, and the like, a control button 120 is disposed on a side surface of the PCBA12 opposite to the first housing 10, the drive-by-wire component 1 further includes a key housing 18 disposed opposite to the first housing 10, the first housing 10 and the key housing 18 form an accommodating space, and the PCBA12, the waterproof component 14, and the USB female socket 16 are all located in the accommodating space; for user convenience, the key housing 18 is also provided with keys 180 corresponding to the control buttons 120 on the PCBA 12.

The waterproof member 14 is sandwiched between the printed circuit board 12 and the inner surface 104 of the first casing 10 where the first through hole 100 is formed, and is hermetically sealed in contact with both of them, and is provided with a second through hole 140 communicating with the first through hole 100; in one application scenario, the flashing 14 is a deformable elastomeric material, such as any of rubber, plastic (e.g., thermoplastic polyurethane, TPU, etc.).

The USB female socket 16 is inserted into the first through hole 100 and the second through hole 140, and is electrically connected to the PCBA 12. In one application scenario, the first end 160 of the female USB socket 16 defines a first opening 162, the female USB socket 16 is located in a space defined by the PCBA12 and the first housing 10, the first opening 162 of the female USB socket 16 is away from the PCBA12, and the first opening 162 is oriented perpendicular to the PCBA 12. The traditional USB female seat is designed to be horizontal, namely the direction of the first opening is parallel to the surface of the PCBA, the USB female seat is designed to be vertical in the application, namely the direction of the first opening is vertical to the surface of the PCBA, compared with the horizontal design, the vertical design mode has the advantages that the gap needing to be controlled is reduced, and the probability of liquid permeating into the PCBA due to the siphon effect is reduced; in addition, the first through hole 100 of the first housing 10 provided by the present application does not need to be provided with a conventional USB female socket cover, so that the cost of the drive-by-wire assembly 1 is reduced, and the charging is more convenient.

In one embodiment, please refer to fig. 6 and 7 for fixing the position of the USB socket 16, fig. 6 is a schematic structural diagram of an embodiment of the USB socket shown in fig. 1-5, and fig. 7 is a schematic sectional diagram of an embodiment of the USB socket shown in fig. 1-5 and a printed circuit board shown in fig. 6. The USB female socket 16 includes a second housing 20; the second housing 20 includes a front end 200, a rear end 202 and two

side surfaces

204, 206, the front end 200 of the second housing 20 is formed with a first opening 200, the two

side surfaces

204, 206 of the second housing 20 respectively extend toward the rear end 202 to form at least one fixing pin 208, and the fixing pin 208 is inserted into a correspondingly disposed insertion hole on the PCBA12, so as to fix the USB female socket 16 on the PCBA 12. In an application scenario, with continued reference to fig. 6-7, two fixing pins 208 (only one is schematically indicated) are symmetrically disposed on the two

side surfaces

204, 206 of the second housing 20 in a direction toward the rear end surface 202, two insertion holes 300 (only one is schematically indicated) are disposed at corresponding positions on the PCBA12, and the fixing pins 208 are inserted into the corresponding insertion holes 300, so as to fix the USB female socket 16 on the PCBA 12.

Referring to fig. 6, in another embodiment, the rear end surface 202 of the second shell 20 of the USB female socket 16 provided by the present application is formed with a second opening 202, that is, the second shell 20 is a hollow structure, and the second shell 20 may be integrally formed by a bending process and/or a hardware flanging process, and has the characteristics of high strength, high sealing performance, and high stability. The USB female socket 16 provided herein further includes a dielectric plate 22 and conductive terminals 24; the first end (not labeled) of the dielectric plate 22 is located at the second opening 202 of the second shell 20 and matches with the second opening 202, so that the USB female socket 16 forms a 5-face closed structure; the conductive terminal 24 includes a plurality of metal conductive tabs disposed on the dielectric plate 22 for transmitting electrical signals, and one end of the conductive terminal 24 protrudes out of a first end (not labeled) of the dielectric plate 22, i.e., outside the USB female socket 16, so that the conductive terminal 24 is electrically connected to the PCBA12 for transmitting electrical signals with the PCBA 12. In one application scenario, the protruding conductive terminals 24 may be connected to the PCBA12 at corresponding positions by soldering, so as to achieve electrical connection between the USB female socket 16 and the PCBA 12.

In another embodiment, with continued reference to fig. 3-4, flashing 14 includes a first surface 142 and a second surface 144, wherein first surface 142 faces PCBA12, the area of PCBA12 facing and corresponding to first surface 144 is first area 122, and the surfaces of first surface 142 and first area 122 are flush with each other; in an application scenario, the surface of the first region 122 is a plane, and the first surface 142 is also a plane, or the surface of the first region 122 has a concave portion or a convex portion, and a position corresponding to the first surface 142 is also provided with a convex portion or a concave portion attached thereto. The second surface 144 is opposite the first surface 142; the area of the first casing 10 facing the second surface 144 is the second area 106, the first through hole 100 is located in the second area 106, and the second surface 144 and the surface of the second area 106 are attached to each other; in one application scenario, the second region 106 includes a plurality of convex portions with the same surface, and the second surface 144 is attached to the plane formed by the plurality of convex portions; alternatively, concave portions that abut against the plurality of convex portions are also provided at positions corresponding to the second surface 144. The second through hole 140 of the waterproof member 14 penetrates the first surface 142 and the second surface 144, and the shape of the second through hole 140 matches the outer periphery of the USB female socket 16.

In another embodiment, with continued reference to fig. 5, to further secure the position of the flashing 14, the by-wire assembly 1 further comprises a first adhesive backing 13, the first adhesive backing 13 being located between the first surface 142 of the flashing 14 and the first area 122 of the PCBA12 for connecting the first surface 142 with the surface of the first area 122; in one application scenario, the first adhesive 13 is a 3M sticker, and in other application scenarios, the first adhesive 13 may also be other materials with adhesiveness.

In another embodiment, the by-wire assembly 1 further comprises a second adhesive backing 11, the second adhesive backing 11 being located between the second surface 144 of the flashing 14 and the surface of the second region 106 of the first housing 10 for connecting the second surface 144 with the surface of the second region 106; in one application scenario, the second adhesive 11 is a 3M adhesive, and in other application scenarios, the second adhesive 11 may also be other materials with adhesiveness, which is not limited in this application.

In another embodiment, referring to fig. 8, fig. 8 is a top view of the flashing and the first housing of fig. 1-5. The waterproof member 14 (the hatched area in fig. 8) further includes four

side surfaces

146, 148, 141, and 143 perpendicular to the first surface 142 and the second surface 144, the inner surface 104 of the first casing 10 is convexly provided with a fence around the first through hole 100 to form a first groove (not shown), the first groove (not shown) includes four side walls A, B, C, D, and the four

side surfaces

146, 148, 141, and 143 of the waterproof member 14 are respectively attached to the four side walls A, B, C, D of the first groove. In an application scenario, with continued reference to fig. 3, four posts 108 (only one is schematically shown) facing PCBA12 are disposed in the first recess, and the posts 108 are fixed to the corresponding positions of PCBA 12. Third through holes 145 (only one indicated schematically) are provided at corresponding positions of the flashing 14, so that the posts 108 protrude through the corresponding third through holes 145 and are then connected to the PCBA 12. To some extent, the location of the column 108 and the third through-hole 145 can further fix the position of the flashing 14.

In yet another embodiment, the waterproof member 14 is made of a deformable elastic material in the above embodiment, the height of the waterproof member 14 before the assembly of the drive-by-wire assembly 1 is a first height, the height of the waterproof member 14 after the assembly of the drive-by-wire assembly 1 is a second height, and the first height is greater than the second height, so that the waterproof member 14 deforms after being assembled in the drive-by-wire assembly 1, and the inner periphery of the second through hole 140 of the waterproof member 14 is tightly attached to the outer periphery of the USB female socket. In one application scenario, the first height and the second height have a preset height difference, and the preset height difference is 0.1-0.3mm, for example, 0.1mm, 0.2mm, 0.3mm, and the like.

Referring to fig. 9, fig. 9 is a schematic structural diagram of an embodiment of a bluetooth by wire earphone according to the present application, where the bluetooth by wire earphone 4 includes an earphone body 40 and a bluetooth by wire component 42 in any of the embodiments. In an application scenario, the earphone body 40 includes a left earphone 400 and/or a right earphone 402, and the left earphone 400 and/or the right earphone 402 are further respectively provided with

ear hooks

404 and 406 capable of being hung on ears of a user.

In summary, the present application provides a drive-by-wire assembly comprising a first housing, a printed circuit board, a waterproof member, and a usb female socket; the first shell is provided with a first through hole communicated with the inner space and the outer space, the waterproof piece is provided with a second through hole communicated with the first through hole and clamped between the printed circuit board and the inner surface of the area of the first shell provided with the first through hole, and the universal serial bus female seat is inserted into the first through hole and the second through hole. The utility model provides a female periphery of seat of universal serial bus is provided with waterproof, and external liquid can only contact the female seat of universal serial bus, and can not permeate printed circuit board on, reduces the probability that printed circuit board takes place to corrode, short circuit scheduling problem. In an application scene, a first opening is formed at a first end of the universal serial bus female seat, the first opening is far away from the printed circuit board, and the direction of the first opening is vertical to the printed circuit board; compared with the traditional design mode that the first opening direction is parallel to the printed circuit board, the design mode has the advantages that the gap needing to be controlled is reduced, and the probability of liquid permeating the printed circuit board due to the siphon effect is reduced; in addition, the first through hole of the first shell provided by the application is not required to be provided with a traditional universal serial bus female seat cover body, so that the cost of the wire control assembly is reduced, and the charging is more convenient.

The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A drive-by-wire assembly, comprising:

the first shell is provided with a first through hole for communicating the inner space and the outer space;

the printed circuit board is positioned in the first shell and is arranged at intervals with the inner surface of the area of the first shell, which is provided with the first through hole;

the waterproof piece is clamped between the printed circuit board and the inner surface of the area of the first shell provided with the first through hole, is in contact with the printed circuit board and the inner surface of the area of the first shell provided with the first through hole in a sealing mode, and is provided with a second through hole communicated with the first through hole; the waterproof piece comprises a first surface facing the printed circuit board and a second surface opposite to the first surface, the first surface and the area surface of the printed circuit board facing the first surface are mutually attached, and the second surface and the area surface of the first shell facing the second surface are mutually attached;

the universal serial bus female seat is inserted into the first through hole and the second through hole and is electrically connected with the printed circuit board, a first opening is formed at the first end of the universal serial bus female seat, the universal serial bus female seat is located in a space defined by the printed circuit board and the first shell, the first opening of the universal serial bus female seat is far away from the printed circuit board, and the direction of the first opening is perpendicular to the printed circuit board.

2. The drive-by-wire assembly of claim 1,

the area of the printed circuit board facing the first surface is a first area, and the first surface is mutually attached to the surface of the first area;

the second surface faces the inner surface of the area of the first shell provided with the first through hole, the area of the first shell facing the second surface is a second area, the first through hole is positioned in the second area, and the second surface and the surface of the second area are mutually attached;

the second through hole penetrates through the first surface and the second surface, and the shape of the second through hole is matched with the periphery of the universal serial bus female seat.

3. The assembly of claim 2, wherein the waterproof member further comprises four sides perpendicular to the first and second surfaces, the first housing inner surface is convexly provided with an enclosure around the first through hole to form a first groove, the first groove comprises four sidewalls, and the four sides of the waterproof member respectively abut the four sidewalls of the first groove.

4. The drive-by-wire assembly of claim 2,

the waterproof piece is made of deformable elastic material.

5. The wire control assembly of claim 4, wherein the deformable resilient material comprises any one of rubber, plastic.

6. The drive-by-wire assembly of claim 4, wherein the height of the waterproof member before the assembly of the drive-by-wire assembly is a first height, the height of the waterproof member after the assembly of the drive-by-wire assembly is a second height, and the first height is greater than the second height, so that the waterproof member deforms after being assembled in the drive-by-wire assembly, and the inner periphery of the second through hole of the waterproof member is tightly attached to the periphery of the USB female socket.

7. The line control assembly of claim 6, wherein the first height and the second height have a predetermined height difference, the predetermined height difference being 0.1-0.3 mm.

8. The drive-by-wire assembly of claim 2,

the drive-by-wire assembly further comprises a first adhesive backing located between the first surface and the first region for connecting the first surface with a surface of the first region; and/or the presence of a gas in the gas,

the drive-by-wire assembly further comprises a second adhesive backing located between the second surface and the surface of the second region for connecting the second surface with the surface of the second region.

9. The line control assembly of claim 1, wherein the universal serial bus female socket comprises:

the second shell comprises a front end face, a rear end face and two side faces, a first opening is formed in the front end face of the second shell, at least one fixing pin extends from the two side faces of the second shell towards the direction of the rear end face, the fixing pins are inserted into correspondingly arranged jacks in the printed circuit board, and then the universal serial bus female seat is fixed on the printed circuit board.

10. A bluetooth by wire headset, characterized in that it comprises a headset body and an by wire assembly according to any of the claims 1-9 above.