CN218041712U

CN218041712U - Charging device and bone conduction earphone

Info

Publication number: CN218041712U
Application number: CN202221455710.XU
Authority: CN
Inventors: 王征磊; 陶志勇; 曹洪斌
Original assignee: Suzhou Suoye Electronic Technology Co ltd
Current assignee: Suzhou Suoye Electronic Technology Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-12-13
Anticipated expiration: 2032-06-10
Also published as: WO2023236998A1

Abstract

The utility model discloses a charging device and bone conduction earphone, this charging device include casing subassembly (1) and first electrode subassembly (2). The shell assembly (1) comprises a first surface (1 a) and a positioning boss (15) arranged on the first surface (1 a), wherein the positioning boss (15) is of a non-centrosymmetric structure. The first electrode assembly (2) comprises at least two first conductive columns (20) arranged at intervals, wherein the first conductive columns (20) are arranged in the positioning bosses (15) in a penetrating mode, and part of the first conductive columns are exposed out of the positioning bosses (15). Through the locating hole butt joint that sets up location boss and bone conduction earphone, can effectually prevent that housing assembly from receiving external force and taking place to move the position, be favorable to guaranteeing the reliable of charging to go on, can guarantee charging device's correct connection simultaneously, prevent to connect conversely.

Description

Charging device and bone conduction earphone

Technical Field

The utility model relates to an electronic equipment technical field that charges especially relates to a charging device and bone conduction earphone.

Background

The charging device can charge electronic equipment such as bone conduction earphones and the like so as to ensure the reliable operation of the electronic equipment such as the bone conduction earphones and the like. There is the charging device of formula of inhaling among the prior art, through the suction of magnet with the charging device actuation on bone conduction earphone, guarantee the reliable contact between both electrodes.

Magnetic type charging device among the prior art often thickness is great, when receiving external force, especially horizontal external force, inclines, shifts easily, leads to contact failure. If charging device is the symmetry setting, charging device joins conversely with the charging seat on the bone conduction earphone easily, has caused inconvenience for the user to use charging device, and prior art also has some structures of preventing staying, but often the structure is comparatively complicated, increases holistic volume and cost easily.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a charging device and bone conduction earphone can make things convenient for charging device and the correct connection of bone conduction earphone to charge.

In order to realize the above object of the utility model, on the one hand, the utility model provides a charging device, include:

the shell assembly comprises a first surface and a positioning boss arranged on the first surface, wherein the positioning boss is of a non-centrosymmetric structure; and the number of the first and second groups,

the first electrode assembly comprises at least two first conductive columns arranged at intervals, the first conductive columns penetrate through the positioning bosses and are partially exposed out of the positioning bosses.

Furthermore, the number of the positioning bosses is one, and the outline shapes of two ends of each positioning boss are different; alternatively, the first and second electrodes may be,

the number of location boss is two, two first lead electrical pillar wears to establish respectively two in the location boss, two the profile shape of the outer end of location boss is different.

Further, the number of the positioning bosses is two, the outline of one positioning boss is in a round corner rectangle shape, and the outline of the other positioning boss is at least partially in a semicircular shape.

Further, the shell assembly is provided with two first annular bosses protruding towards the interior of the shell assembly, and the two first conductive columns are respectively arranged in the two first annular bosses.

Further, the charging device further comprises a first magnet assembly, the first magnet assembly comprises two first magnets arranged at intervals, the axes of the two first magnets are arranged in parallel with the axis of the first conductive column, and the polarities of the magnetic poles of the two first magnets at the first surface are opposite.

Further, the housing assembly is provided with two second annular bosses protruding inwards, the second annular bosses are provided with through holes communicated with the first surface, and the two first magnets are respectively arranged in the two second annular bosses.

Further, the shell assembly is flat, a wiring port is formed in the outer peripheral surface of the shell assembly, the charging device further comprises a charging wire connected in the wiring port, and the two first magnets are located on the central connecting line of the two first conductive columns and on two sides of the axis of the wiring port.

Further, the length of the shell assembly is larger than or equal to the width of the shell assembly, and the width of the shell assembly is larger than or equal to 1.2 times of the thickness.

Further, the distance between the center of the routing port at the outer peripheral surface and the two first magnets is smaller than the distance between the two first magnets.

Further, charging device still including locating the circuit board in the casing subassembly, the charging wire with first conductive pillar all with the circuit board electricity is connected.

On the other hand, the utility model provides a bone conduction earphone, include as above arbitrary charging device.

Further, the earphone still includes the storehouse of charging, the storehouse of charging includes:

the shell is provided with a positioning hole, and the outline of the positioning hole is matched with the outline of the positioning boss;

the main control board is arranged in the shell;

a second electrode assembly including second conductive posts disposed corresponding to the two first conductive posts, the second conductive posts being connected to the housing and partially exposed from the housing; and the number of the first and second groups,

the second magnet assembly is arranged in the shell and comprises two second magnets which are correspondingly arranged with the first magnets, and after the first magnet assembly is attracted by the second magnet assembly, the first conductive column is in contact with the second conductive column.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, the casing subassembly is provided with the location boss of evagination, and first leading electrical pillar wears to establish in the location boss, can be through location boss and the locating hole location on the bone conduction earphone when charging device is connected to the bone conduction earphone, and the effectual phenomenon that has prevented to receive external force, incline, move the position takes place during especially horizontal direction's external force at the casing subassembly is favorable to guaranteeing to charge continuously going on. Meanwhile, the positioning boss is set to be of a non-central symmetrical structure, so that correct insertion of the charging device and the bone conduction earphone can be effectively guaranteed, and reverse connection is prevented. In addition, the positioning boss and the shell can be integrally formed by injection molding, and the positioning boss is simple in structure and low in cost.

2. As the improvement, the shell assembly is flat, so that the connection between the shell assembly and the bone conduction headset is more stable, and the risks of inclination and displacement when the shell assembly is accidentally touched are further reduced.

Drawings

Fig. 1 is a schematic structural diagram of a charging device according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a portion of the housing assembly of fig. 1.

Fig. 3 is an exploded view of the structure shown in fig. 2.

Fig. 4 is a bottom view of the structure shown in fig. 2.

Fig. 5 is a schematic view of the present invention, wherein the number of the positioning bosses is one.

Fig. 6 isbase:Sub>A sectional view taken along section linebase:Sub>A-base:Sub>A in fig. 4.

Fig. 7 is a sectional view taken along section line B-B in fig. 4.

Fig. 8 is a schematic view of the first electrode assembly and the first magnet assembly of the present invention when mounted to the first housing.

Fig. 9 is a schematic diagram of the first electrode assembly, the first magnet assembly, the circuit board and the adaptor of the present invention when mounted to the first housing.

Fig. 10 is a schematic structural diagram of a bone conduction earphone according to an embodiment of the present invention.

Fig. 11 is a front view of a charging chamber according to an embodiment of the present invention, in which the number of positioning holes is two.

Fig. 12 is a front view of a charging chamber according to an embodiment of the present invention, in which the number of positioning holes is one.

Fig. 13 is a cross-sectional view taken along section line C-C in fig. 11.

Fig. 14 is a schematic view of the second electrode assembly and the second magnet assembly of the present invention mounted on the cover.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. 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.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As shown in fig. 1 to 9, the charging device 8 according to a preferred embodiment of the present invention includes a charging head, a USB connector 52, and a charging wire 5 connected between the charging head and the USB connector 52. Wherein the charging head comprises a housing assembly 1, a first electrode assembly 2 and a first magnet assembly 3. Referring to fig. 10, the charging device 8 is used to interface with the charging silo 6, thereby charging it.

The housing assembly 1 may be formed by connecting a plurality of housings, and in the present embodiment, the housing assembly 1 includes a first housing 17 and a second housing 18 connected to each other. The housing assembly 1 includes a first surface 1a and a second surface 1b opposite to each other along a height direction Z thereof, and an outer peripheral surface 11 connected between the first surface 1a and the second surface 1b, preferably, the first surface 1a is a plane to better fit with the charging chamber 6. Be equipped with on the global 11 of periphery and be used for connecting line mouth 12 of walking of charging wire 5, charging wire 5 one end is connected in line mouth 12, and the other end links to each other with USB connects 52, and USB connects 52 and is used for linking to each other with outside USB interface.

The shape of the outer peripheral surface 11 is not limited, and may be, for example, a circle, a rectangle, or other shapes, in this embodiment, as shown in fig. 4, the outer peripheral surface 11 includes a first side surface 110 and a second side surface 111 oppositely disposed along the width direction Y of the housing assembly 1, and two circular arc surfaces 112 located at two end portions, and the routing port 12 is disposed on the first side surface 110, and is communicated with the inside of the housing assembly 1, so that the charging wire 5 can be connected to the inside of the housing assembly 1.

The first shell 17 is provided with a positioning boss 15 protruding outwards from the first surface 1a, and the positioning boss 15 is of a non-centrosymmetric structure. The first electrode assembly 2 includes at least two first conductive posts 20 arranged at intervals, and in the present embodiment, the number of the first conductive posts 20 is two, and the first conductive posts 20 are arranged at intervals along the length direction X of the case assembly 1. The first conductive pillar 20 is connected to the housing assembly 1, penetrates through the positioning boss 15, and is partially exposed out of the positioning boss 15. The first conductive post 20 may be, for example, a pogo pin.

As shown in fig. 11, the charging chamber 6 abutting against the charging device 8 is provided with a positioning hole 600 adapted to the contour of the positioning boss 15, and when the positioning boss 15 is engaged in the positioning hole 600, the charging device 8 can be effectively prevented from moving or tilting when being subjected to an external force (particularly, a force in the horizontal direction), and particularly, when the positioning boss 15 has a non-centrosymmetric structure, the positioning boss can be inserted into the positioning hole 600 only in a single direction, so that the positioning and fool-proofing functions can be achieved, and the charging device 8 is prevented from being reversely connected to the charging chamber 6.

In a preferred embodiment, as shown in fig. 5, the number of the positioning bosses 15 is one, the contour shapes of both ends in the length direction are different, specifically, one end is a plane, and the other end is a circular arc, and the shape of the corresponding positioning hole 600 of the charging bin 6 is shown in fig. 12; in another preferred embodiment, as shown in fig. 4, the number of the positioning bosses 15 is two, the two first conductive posts 20 are respectively inserted into the two positioning bosses 15, and the outer ends of the two positioning bosses 15 have different profile shapes, specifically, the profile of one positioning boss 15 is a rounded rectangle, the profile of the other positioning boss 15 is at least partially semicircular (in the figure, the outer end thereof is semicircular), and the shape of the corresponding positioning hole 600 of the charging bin 6 is shown in fig. 11.

As shown in fig. 8, the first housing 17 is provided with a first annular projection 13 protruding toward the inside of the housing assembly 1, and the two first conductive posts 20 are respectively fixed in the two first annular projections 13, and may be connected to each other by gluing or the like, for example.

Referring to fig. 6 and 7, the first magnet assembly 3 includes two first magnets 30 arranged at intervals, and the axes 30a of the two first magnets 30 are arranged in parallel with the axis 20a of the first conductive post 20. The two magnetic poles (N pole and S pole) of the first magnet 30 are located at both ends in the axial direction thereof, and as a preferred embodiment, the magnetic poles of the two first magnets 30 located at the first surface 1a are opposite in polarity, being N pole and S pole, respectively. Thus, the two first magnets 30 can only attract with the two second magnets 630 (reference numbers are shown in fig. 14) on the charging bin 6 in a unique corresponding manner, and when the positions are opposite, the same poles of the magnets of the charging device and the magnets of the charging bin are opposite, and the magnets cannot attract due to the existence of repulsive force, which is beneficial to ensuring the accuracy of the position of the charging device. Meanwhile, when the charging device is reversely arranged, a user can feel that the position is inaccurate through the repulsive force, so that the position is adjusted, and the charging device is more convenient to use.

As shown in fig. 6 and 8, the first housing 17 is provided with a second annular boss 14 protruding toward the inside of the housing assembly 1, and the through hole 140 of the second annular boss 14 communicates with the first surface 1 a. The first magnet 30 is arranged in the second annular ledge 14, which may be connected thereto, for example by gluing. Since the through hole 140 is communicated with the first surface 1a, the end surface of the first magnet 30 is exposed out of the first surface 1a, so that the distance between the first magnet 30 and the second magnet 630, which are attracted to each other, can be reduced, and the magnetic attraction force can be increased.

As a preferred embodiment, the housing assembly 1 is flat, with a dimension in the height direction Z smaller than the dimensions in the length and width directions, so that the engagement is more stable in the charging compartment. The two first magnets 30 are respectively located on the central connecting line 20b of the two first conductive posts 20 and on two sides of the axis 12a of the wire trace port 12.

When the charging device is used, the first magnet assembly 3 is attracted with the charging bin, and meanwhile, the first electrode assembly 2 is conducted with the second electrode assembly 62 (the reference number is shown in figure 14) of the charging bin 6, so that the charging function is realized. Because the shell assembly 1 is flat, the shell assembly can be more stably attracted to the charging bin and is not easy to be touched by the outside to cause poor contact. For example, when the upper end of the housing unit 1 receives a horizontal force, the flat housing unit 1 is less likely to tilt or shift, resulting in poor contact, and is more reliable. In addition, two first magnets 30 are arranged to be located on two sides of the central connecting line 20b of the two first conductive posts 20 and the axis 12a of the wire routing port 12, so that the overall stability can be further improved, and displacement of the housing assembly 1 caused by touching the charging wire 5 can be prevented.

As a preferred embodiment, the length L1 of the housing assembly 1 is set to be equal to or greater than the width L2 thereof, and the width L2 of the housing assembly 1 is equal to or greater than 1.2 times the thickness L3. More preferably, the length of the housing member 1 is 2 times or more the width L2, and the width L2 is 2.5 times or more the thickness L3.

In a preferred embodiment, the center of the routing port 12 at the outer peripheral surface 11 is spaced from the two first magnets 30 by a distance D1 that is smaller than the center distance of the two first magnets 30. Thus, the force arm between the wiring port 12 and the two first magnets 30 is smaller, and the displacement of the housing assembly 1 caused by accidental touch of the charging wire 5 is further prevented.

In order to equalize the stress of the first electrode assembly 2, the two first magnets 30 are symmetrically disposed on two sides of the connecting line 20b of the centers of the two first conductive pillars 20, and the two first conductive pillars 20 are symmetrically disposed on two sides of the connecting line 30b of the centers of the two first magnets 30. Further preferably, the two first magnets 30 are symmetrically arranged on two sides of the axis 12a of the wiring port 12, so that when the charging wire 5 applies force to the housing assembly 1, the force applied by the two first magnets 30 is more balanced.

As shown in fig. 3 and fig. 9, the charging device further includes a circuit board 4 disposed in the housing assembly 1, the charging line 5 and the two first conductive posts 20 are electrically connected to the circuit board 4, and the current input by the charging line 5 is processed by the circuit board 4 and then transmitted to the first conductive posts 20, and is output by the first conductive posts 20. Specifically, one end of the first conductive pillar 20 is fixed on the circuit board 4, and the other end extends to the outside of the housing assembly 1. The charging device further comprises an adapter 50, wherein the adapter 50 is used for being connected with a first conducting wire in the charging wire 5 and is connected with the circuit board 4 through a second conducting wire 51.

As shown in fig. 9, in order to enhance the compactness of the structure and reduce the volume of the charging device, the circuit board 4 includes a convex arc-shaped end portion 40, and one of the two first conductive posts 20 is disposed on the arc-shaped end portion 40. The adaptor 50 is provided with an inwardly recessed relief hole 500, the arc-shaped end portion 40 is accommodated in the relief hole 500, and two second wires 51 are respectively connected to portions of the adaptor 50 located at both sides of the relief hole 500. As shown in fig. 8, the first housing 17 is provided with a baffle 170 connected between the second annular boss 14 and the side wall of the first housing 17, the two second annular bosses 14 and the two baffles 170 cooperate to limit the position of the adaptor 50, and further, a notch 131 may be provided on the second annular boss 14 to facilitate the installation of the first magnet 31 and the adaptor 50.

As shown in fig. 8 and 9, the first housing 17 is further provided with positioning posts 171 protruding toward the second housing 18, and the positioning posts 171 penetrate the circuit board 4 to position the circuit board 4.

The utility model also provides a bone conduction earphone, it includes the above charging device 8. As shown in fig. 10, the bone conduction headset further includes a charging chamber 6, a battery chamber 7 and two headset heads 70, the charging chamber 6 and the headset heads 70 and the battery chamber 7 and the headset heads 70 are connected by ear hooks 71, and the charging chamber 6 and the battery chamber 7 are connected by a neck strap 72. The charging chamber 6 is used for connecting with a charging device 8 and charging the battery in the battery chamber 7, and the electric energy stored by the battery can supply energy for the earphone system.

As shown in fig. 11 to 14, the charging bin 6 includes a case 60, a main control board 61, a second electrode assembly 62, and a second magnet assembly 63.

The housing 60 may be formed by connecting a plurality of shells, and in this embodiment, the housing includes a body 60a and a cover 60b enclosing the body 60a, and the main control board 61 is disposed in the housing 60 and used for controlling the earphone system, such as controlling charging and controlling earphone volume.

The second electrode assembly 62 includes two second conductive pillars 620 corresponding to the two first conductive pillars 20, the second conductive pillars 620 are fixed on the cover 60b, and one end of the second conductive pillar 620 is electrically connected to the main control board 61, and the other end of the second conductive pillar 620 is exposed out of the cover 60b, so that the second conductive pillar 620 can be abutted to the first conductive pillar 20. The second conductive post 620 may be, for example, a pogo pin.

The second magnet assembly 63 is disposed in the housing 60, the second magnet assembly 63 includes two second magnets 630 disposed corresponding to the two first magnets 30, and after the magnets of the first magnet assembly 3 and the second magnet assembly 63 are attracted correspondingly, the first conductive pillar 20 and the second conductive pillar 620 are in contact conduction.

The cover body 60b is provided with a flat outer end surface 60c, and after the magnets of the first magnet assembly 3 and the second magnet assembly 63 are correspondingly attracted, the first surface 1a is attached to the outer end surface 60c, so that the stability of the charging device 8 when being attracted to the cover body 60b can be further improved.

Be provided with locating hole 600 at the outer terminal surface 60c of lid 60b, the profile of locating hole 600 respectively with the profile adaptation of location boss 15 for location boss 15 can be inserted to in locating hole 600, thereby effectively fix a position charging device 8, prevent that charging device 8 atress from shifting position, slope, arouse contact failure. Further, locating hole 600 is non-central symmetry structure, can prevent effectively through the physical mode of preventing slow-witted that charging device 8 from connecing with storehouse 6 that charges in reverse.

The above-mentioned is only the embodiment of the present invention, and other improvements made on the premise of the concept of the present invention are all regarded as the protection scope of the present invention.

Claims

1. A charging device, comprising:

the shell assembly (1) comprises a first surface (1 a) and a positioning boss (15) arranged on the first surface (1 a), wherein the positioning boss (15) is of a non-centrosymmetric structure; and the number of the first and second groups,

the first electrode assembly (2) comprises at least two first conductive columns (20) arranged at intervals, wherein the first conductive columns (20) penetrate through the positioning bosses (15), and part of the first conductive columns are exposed out of the positioning bosses (15).

2. A charging device according to claim 1, wherein the number of the positioning bosses (15) is one, and the contour shapes of both ends of the positioning bosses (15) are different; alternatively, the first and second electrodes may be,

the number of location boss (15) is two, two first lead electrical pillar (20) wear to establish respectively in two location boss (15), two the profile shape of the outer end of location boss (15) is different.

3. A charging arrangement as claimed in claim 1, characterized in that the number of positioning cams (15) is two, wherein one positioning cam (15) has a rounded rectangular contour and the other positioning cam (15) has an at least partly semicircular contour.

4. A charging device as claimed in claim 1, wherein said housing assembly (1) is provided with two first annular bosses (13) projecting inwardly thereof, and two first conductive posts (20) are respectively provided in said two first annular bosses (13).

5. A charging device according to claim 1, further comprising a first magnet assembly (3), said first magnet assembly (3) comprising two first magnets (30) spaced apart, the axes of said two first magnets (30) being arranged parallel to the axis of said first conductive post (20), the poles of said two first magnets (30) at said first surface (1 a) being of opposite polarity.

6. A charging device according to claim 5, wherein said housing assembly (1) is provided with two second annular bosses (14) projecting towards the inside thereof, said second annular bosses (14) having through holes (140) communicating with said first surface (1 a), two of said first magnets (30) being respectively provided in said two second annular bosses (14).

7. A charging device according to claim 5 or 6, characterized in that the housing assembly (1) is flat, the outer peripheral surface (11) of which is provided with a wiring opening (12), the charging device further comprises a charging wire (5) connected in the wiring opening (12), and the two first magnets (30) are located on the connecting line (20 b) of the centers of the two first conductive posts (20) and on both sides of the axis (12 a) of the wiring opening (12).

8. A charging arrangement as claimed in claim 7, in which the housing assembly (1) has a length equal to or greater than its width, the width of the housing assembly (1) being equal to or greater than 1.2 times its thickness.

9. A charging device according to claim 7, characterized in that the center of said wire passage opening (12) at said outer peripheral surface (11) is located at a distance from two of said first magnets (30) which is less than the distance between the two first magnets (30).

10. A charging arrangement as claimed in claim 7, further comprising a circuit board (4) disposed within the housing assembly (1), the charging wire (5) and the first conductive post (20) both being electrically connected to the circuit board (4).

11. A bone conduction headset, comprising a charging device as claimed in any one of claims 1 to 10.

12. Bone conduction headset, characterized in that it comprises a charging device according to any of claims 5 to 10, characterized in that it further comprises a charging chamber (6), said charging chamber (6) comprising:

the shell (60) is provided with a positioning hole (600), and the outline of the positioning hole (600) is matched with the outline of the positioning boss (15);

the main control board (61) is arranged in the shell (60);

a second electrode assembly (62) comprising second conductive posts (620) disposed corresponding to the two first conductive posts (20), the second conductive posts (620) being connected to the housing (60) and partially exposed from the housing (60); and (c) a second step of,

the second magnet assembly (63) is arranged in the shell (60), the second magnet assembly (63) comprises two second magnets (630) which are correspondingly arranged on the two first magnets (30), and after the first magnet assembly (3) and the second magnet assembly (63) are attracted, the first conductive columns (20) are in contact with the second conductive columns (620).