CN112083573B

CN112083573B - Head-mounted device

Info

Publication number: CN112083573B
Application number: CN201910517737.3A
Authority: CN
Inventors: 蔡洪侦
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2022-11-08
Anticipated expiration: 2039-06-14
Also published as: CN112083573A

Abstract

The invention provides a head-mounted device which comprises a device main body, a main board and a communication assembly, wherein the device main body comprises a frame and supporting legs. The communication assembly comprises an antenna and a circuit board connected with the antenna, the antenna is in communication connection with the main board through the circuit board, the antenna comprises an elastic part, the elastic part corresponds to the connecting position of the supporting leg and the frame, the supporting leg rotates relative to the frame, and the elastic part generates elastic deformation. The antenna can realize the communication function of the head-mounted equipment, so that the head-mounted equipment can radiate and receive electric wave signals; meanwhile, the elastic part of the antenna can generate elastic deformation, so that the head-mounted equipment can be adapted to the width of the face of the user; after the user takes off the head-mounted device, the elastic restoring force of the elastic part of the antenna can enable the supporting leg to rotate to the initial position. The antenna integrates the functions of communication and elastic switching, effectively saves the internal space, enables a clearance area of the antenna to meet design requirements, and ensures good radiation performance and signal stability of the antenna, thereby ensuring better communication performance of the head-mounted equipment.

Description

Head-mounted device

Technical Field

The invention relates to the technical field of electronic equipment, in particular to head-mounted equipment.

Background

AR (Augmented Reality), is a new technology that integrates real world information and virtual world information "seamlessly". The virtual information is applied to the real world through computer technology, after simulation and superposition, so as to be perceived by human sense, thereby achieving the sense experience beyond reality.

The AR glasses use the above technology to make the scene seen by the wearer appear as a combination of virtual pictures and real life. At present, a built-in antenna structure, i.e., an antenna for radiating and receiving radio wave signals, is commonly used in AR glasses, which are disposed inside the AR glasses. Due to the fact that the appearance and the portability of the product and the using requirements of a user are considered, the size of AR glasses is not too large, the internal space of the AR glasses is limited, the requirement cannot be met by a clearance area of the built-in antenna, and therefore the efficiency of the antenna and the stability of signals are affected.

Disclosure of Invention

The invention aims to solve the problems that in the head-mounted equipment in the prior art, an antenna clearance area cannot meet requirements, and antenna signal stability is weak.

In order to solve the technical problem, the invention provides a head-mounted device, which comprises a device main body, a main board and a communication assembly, wherein the device main body comprises a frame and supporting legs, and the supporting legs are rotatably connected with the frame; the main board is arranged in the equipment main body, the communication assembly comprises an antenna and a circuit board connected with the antenna, and the antenna is in communication connection with the main board through the circuit board; one end of the antenna is fixed with the supporting leg, and the other end of the antenna is fixed with the frame; the antenna comprises an elastic part, the elastic part is arranged corresponding to the joint of the supporting leg and the frame, the supporting leg rotates relative to the frame, and the elastic part generates elastic deformation.

According to the technical scheme, the beneficial effects of the invention are as follows:

in the head-mounted equipment, the antenna can realize the communication function of the head-mounted equipment, so that the head-mounted equipment can radiate and receive electric wave signals in the using process; meanwhile, the elastic part of the antenna can generate elastic deformation when the supporting legs rotate relative to the frame, so that the head-mounted equipment can be adapted to the face shapes with different widths, and the use experience of a user is improved; after the user takes off the head-mounted device, the elastic restoring force of the elastic part of the antenna can enable the supporting leg to rotate to the initial position for the next use. The antenna integrates the functions of communication and elastic switching, avoids the arrangement of an elastic switching piece in the head-mounted equipment, effectively saves the space inside the head-mounted equipment, ensures that the clearance area of the antenna can meet the design requirement, ensures the good radiation performance of the antenna and the stability of signals, and ensures the better communication performance of the head-mounted equipment.

Drawings

FIG. 1 is a schematic diagram of a head-mounted device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view at A in FIG. 1;

FIG. 3 is an exploded view of the internal structure of the head-mounted device shown in FIG. 1;

FIG. 4 is an enlarged view of FIG. 3 at B

FIG. 5 is a schematic diagram of the communication module and the motherboard of the head-mounted device shown in FIG. 1;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a schematic structural diagram of a communication module in the head-mounted device shown in fig. 1.

The reference numerals are explained below: 100. a head-mounted device; 10. an apparatus main body; 11. a frame; 111. a frame body; 112. an installation space; 113. a first mounting post; 114. a first fixing hole; 115. a containing groove; 12. a support leg; 121. a temple housing; 122. an assembly space; 123. a second mounting post; 124. a second fixing hole; 13. avoiding the gap; 14. a wearing area; 20. a main board; 30. a communication component; 31. an antenna; 311. an elastic portion; 312. a first extension portion; 3121. a first straight line segment; 3122. a first bending section; 313. a second extension portion; 3131. a second straight line segment; 3132. a second bending section; 32. a circuit board; 40. a head circumference portion; 50. a connection assembly; 51. a rotating shaft; 52. a connecting member; 521. a connecting body; 522. connecting lugs; 523. connecting holes; 524. a first mounting hole; 525. a first mounting groove; 53. an adapter; 531. a switching body; 532. a switching lug; 533. switching the hole; 534. a second mounting hole; 535. a second mounting groove; 54. a first fastener; 55. a second fastener.

Detailed Description

Exemplary embodiments that embody features and advantages of the present application will be described in detail in the following description. It is to be understood that the present application is capable of various modifications in various embodiments without departing from the scope of the application, and that the description and drawings are to be taken as illustrative and not restrictive in character.

For further explanation of the principles and construction of the present application, preferred embodiments thereof will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1, an embodiment of the present application provides a head-mounted device 100, where the head-mounted device 100 is an AR glasses, and includes a device main body 10, a main board 20, and a communication component 30. It is understood that, besides the AR glasses shown in the present embodiment, the head-mounted device 100 may also be other smart devices such as VR glasses, a head-mounted display, and the like.

Specifically, the apparatus main body 10 includes a frame 11 and legs 12, and the legs 12 are rotatably connected to the frame 11. The main board 20 and the communication module 30 are both disposed inside the apparatus main body 10. The communication assembly 30 includes an antenna 31 and a circuit board 32 connected to the antenna 31, and the antenna 31 is communicatively connected to the motherboard 20 through the circuit board 32.

The antenna 31 has one end fixed to the leg 12 and the other end fixed to the frame 11. The antenna 31 includes an elastic portion 311, and the elastic portion 311 is disposed corresponding to a connection between the leg 12 and the frame 11. The leg 12 rotates relative to the frame 11, and the elastic portion 311 is elastically deformed.

In the present embodiment, the frame 11 has a C-shaped structure, and the frame 11 includes a frame body 111. The frame case 111 has a mounting space 112 formed therein, and the mounting space 112 is used for mounting the relevant functional components of the head-mounted device 100.

The frame case 111 of the present embodiment is mounted with an imaging lens (not shown in the figure) for displaying an image. The number of the imaging lenses can be designed into one or more according to the use requirement, and is not limited herein.

Further, the leg 12 is disposed at an open end of the frame 11 and is rotatably connected to an end of the frame 11. The two legs 12 of the present embodiment are rotatably connected to the two ends of the frame 11, respectively. In the present embodiment, the leg 12 includes a temple case 121, and the temple case 121 is provided with an assembling space 122 inside for assembling functional parts of the head-mounted device 100.

As shown in fig. 1 and 2, an escape gap 13 is provided between an end surface of the leg 12 close to the frame 11 and an end surface of the open end of the frame 11. The clearance 13 can provide a rotation space for the rotation of the leg 12 relative to the frame 11, so as to avoid interference caused by abutment when the leg and the frame rotate.

In the present embodiment, the head mounted device 100 further includes a head surrounding portion 40. The head surrounding portion 40 has an arc-shaped structure, and the head surrounding portion 40 is disposed opposite to the frame 11. The two ends of the head surrounding part 40 are respectively connected with the ends of the two legs 12 far away from the frame 11 so as to form a closed ring structure together with the device main body 10. The interior of the ring-like structure constitutes a wearing area 14 for the user to wear.

When the user wears the head mounted device 100, the head of the user is located in the wearing region 14. The frame 11 corresponds to the face of the user, the two legs 12 are respectively positioned at the two sides of the head of the user, and the head surrounding part 40 is attached to the back brain part of the user.

The size of head circumference portion 40 can carry out corresponding regulation according to user's head circumference size in this embodiment to make head circumference portion 40 can more laminate with user's hindbrain position, and make head-mounted device 100 can be suitable for different users 'use, thereby promote user's use and experience. The adjustment mode of the head circumference portion 40 may be manual adjustment or automatic adjustment.

It will be appreciated that the legs 12 and the head band portion 40 may be provided as an integral connecting structure, and both ends of the connecting structure are respectively connected with both open ends of the frame 11 to enclose the wearing region 14 in a closed loop shape. In addition, in the head-mounted device 100 of the present embodiment, the head-surrounding portion 40 may be eliminated, and the legs 12 and the frame 11 form the semi-closed wearing region 14. When the user wears the head-mounted device 100, the head-mounted device 100 is fixed on the user's face by the support of the legs 12.

Further, as shown in fig. 2 to 4, the head-mounted device 100 of the present embodiment further includes a connecting assembly 50, and the leg 12 is rotatably connected to the frame 11 through the connecting assembly 50.

Specifically, the connecting assembly 50 includes a rotating shaft 51, and a connecting member 52 and an adaptor member 53 provided on the rotating shaft 51. The connecting member 52 and the adaptor 53 are rotatably connected by a rotating shaft 51, the connecting member 52 is connected with the frame 11, and the rotating member is connected with the leg 12.

In the present embodiment, the connection assembly 50 is disposed inside the apparatus body 10. The connecting member 52 is disposed in the mounting space 112 of the frame case 111 and is fixedly connected to the inner wall of the frame 11. The adaptor 53 is disposed in the fitting space 122 of the temple case 121 and is fixedly coupled to the inner wall of the leg 12.

It will be appreciated that the connection assembly 50 may also be disposed in the clearance gap 13 between the opposing end faces of the leg 12 and the frame 11. The connector 52 is connected to an end of the frame 11 and the adapter 53 is connected to an end of the leg 12 so that the leg 12 can rotate relative to the frame 11.

Compared with the connection member 50 disposed in the escape gap 13, in the present embodiment, the connection member 50 is disposed inside the main body 10, so that the space inside the main body 10 can be effectively utilized, the connection member 50 does not occupy the space between the leg 12 and the frame 11, and the size of the head-mounted device 100 is prevented from being increased, which contributes to the design of miniaturization and portability of the head-mounted device 100.

Referring to fig. 4, the connecting member 52 of the present embodiment includes a connecting body 521 and connecting lugs 522 disposed at two ends of the connecting body 521, and the connecting body 521 is fixed to the frame 11. The two connecting lugs 522 are both disposed on the same side of the connecting body 521 and protrude outside the adapting body 531. The two connecting lugs 522 are provided with connecting holes 523 at corresponding positions, and the connecting holes 523 are matched with the rotating shaft 51.

The adaptor 53 includes an adaptor body 531 and adaptor lugs 532 disposed at both ends of the adaptor body 531, and the adaptor body 531 is fixed to the leg 12. The two adapter lugs 532 are both disposed on the same side of the adapter body 531 and protrude outside the adapter body 531. In this embodiment, the two transferring lugs 532 have transferring holes 533 at corresponding positions, and the transferring holes 533 are matched with the rotating shaft 51.

The rotating shaft 51 is disposed through the connecting hole 523 and the adapting hole 533, so that the adapting piece 53 and the connecting piece 52 can rotate relatively, and the leg 12 can rotate relative to the frame 11.

Further, referring to fig. 3 and 4, in this embodiment, a first mounting hole 524 is formed on the connecting body 521, a first mounting post 113 is protruded at a corresponding position on the inner wall of the lens frame shell 111, and the first mounting post 113 is adapted to the first mounting hole 524. The connecting assembly 50 of the present embodiment further includes a first fastening member 54, the first mounting column 113 is provided with a first fixing hole 114 adapted to the first fastening member 54, and the first fixing hole 114 extends along the axial direction of the first mounting column 113.

The first mounting post 113 is disposed through the first mounting hole 524 to connect the connecting member 52 to the frame 11. The first fastening member 54 is tightly fitted into the first fastening hole 114, so that the connecting member 52 and the frame 11 can be fixedly connected. The first fastening member 54 of the present embodiment may be a screw, a pin, etc., and the first fixing hole 114 is correspondingly a screw hole, a pin hole, etc.

In this embodiment, the adaptor body 531 is provided with a second mounting hole 534, a second mounting post 123 is protruded at a corresponding position on the inner wall of the temple shell 121, and the second mounting post 123 is adapted to the second mounting hole 534. The connecting assembly 50 of the present embodiment further includes a second fastening member 55, the second mounting column 123 is provided with a second fixing hole 124 adapted to the second fastening member 55, and the second fixing hole 124 extends along the axial direction of the second mounting column 123.

The second mounting post 123 fits through the second mounting hole 534, which allows the adaptor 53 to be connected to the leg 12. And the adapter 53 and the leg 12 can be connected and fixed by the fastening fit of the second fastening piece 55 and the second fixing hole 124. The second fastening member 55 of the present embodiment may be a screw, a pin, etc., and the second fixing hole 124 is correspondingly a screw hole, a pin hole, etc.

It is understood that, in addition to the connection and fixation between the connection assembly 50 and the inner wall of the device main body 10 through the matching of the mounting column and the mounting hole, other connection manners such as welding connection, direct screwing connection, etc. may be used to achieve fixation.

The connecting member 52 and the adapter member 53 are fixedly connected to the frame 11 and the leg 12, respectively, and when the adapter member 53 and the connecting member 52 rotate relatively through the rotating shaft 51, the leg 12 can rotate relatively to the frame 11. When the legs 12 are rotated relative to the frame 11 by the connecting assembly 50, the legs 12 can be rotated toward or away from the wearing region 14 to adjust the shape and size of the wearing region 14, so that the head-mounted device 100 can be adapted to the head shapes of different users.

Further, as shown in fig. 3 and 5, the communication module 30 and the main board 20 of the present embodiment are both provided inside the apparatus main body 10. Wherein the main plate 20 is disposed in the mounting space 112 of the frame body 111. The inner wall of the frame casing 111 is recessed with a receiving groove 115, and the receiving groove 115 is used for receiving the main board 20.

In the communication assembly 30, an antenna 31 is disposed adjacent to the connection assembly 50, the antenna 31 being used for receiving and transmitting signals. A circuit board 32 is disposed in the mounting space 112 of the lens frame body 111, and the circuit board 32 is connected to one end of the antenna 31 and fixed to the main board 20, thereby achieving communication connection between the antenna 31 and the main board 20. In this embodiment, the circuit board 32 and the motherboard 20 may be connected by a spring plate or may be directly soldered and fixed.

The circuit board 32 of the present embodiment is a flexible circuit board 32, and the flexible circuit board 32 has a small volume and a light weight, which is helpful for the design of the whole portable head-mounted device 100; meanwhile, the flexible circuit board 32 is thin and has good bending property, and can be bent correspondingly in accordance with the rotation between the supporting leg 12 and the frame 11, so that the function of the antenna 31 is prevented from being influenced by the breakage of the circuit board 32, and the better communication performance of the head-mounted device 100 is ensured.

Referring to fig. 5, 6 and 7, in the present embodiment, the antenna 31 includes a first extending portion 312, a second extending portion 313 and an elastic portion 311 disposed between the first extending portion 312 and the second extending portion 313.

The elastic portion 311 of the present embodiment is a spiral coil, and the number of spiral turns of the elastic portion 311 can be correspondingly set according to the requirement of the radiation function of the antenna 31, so that the performance of the antenna 31 is better optimized, and the multi-frequency performance and the signal stability of the antenna 31 are ensured. In addition, the diameter of the spiral coil can be set correspondingly according to the requirement of the performance of the antenna 31.

The first extension 312 and the second extension 313 are respectively disposed at both ends of the elastic part 311. One end of the first extending portion 312, which is far away from the elastic portion 311, is fixed to the circuit board 32 by soldering, so as to connect the antenna 31 and the circuit board 32. A second extension 313 is arranged inside the leg 12, the end of the second extension 313 remote from the elastic part 311 being a free end.

In this embodiment, the first extension 312 includes a first straight line segment 3121 and a first bending segment 3122, the first straight line segment 3121 is connected to an end of the elastic portion 311, and the first bending segment 3122 is connected to an end of the first straight line segment 3121 away from the elastic portion 311. The second extending portion 313 includes a second straight line section 3131 and a second bending section 3132, the second straight line section 3131 is connected to an end of the elastic portion 311, and the second bending section 3132 is connected to an end of the second straight line section 3131 far away from the elastic portion 311.

When the head-mounted device 100 is not in use, the extending directions of the first straight line segment 3121 and the second straight line segment 3131 are perpendicular to the extending direction of the axis L of the elastic portion 311.

The first bending section 3122 and the second bending section 3132 of this embodiment are both bent, for example, bent into a zigzag shape, an Ω shape, a triangle shape, an arc shape, or other irregular shapes, so as to perform a diversity design on the antenna 31, and improve a space for optimizing the performance of the antenna 31, thereby enabling the antenna 31 to have a good radiation characteristic.

Further, the elastic portion 311 of the present embodiment is sleeved on the outer side of the rotating shaft 51, and the first extension portion 312 and the second extension portion 313 are respectively disposed on two sides of the rotating shaft 51. In this embodiment, a surface of the connecting body 521 facing the frame 11 is concavely provided with a first mounting groove 525, and the first mounting groove 525 is used for accommodating the first extension 312 of the card antenna 31. The surface of the adapting body 531 facing the leg 12 is concavely provided with a second mounting groove 535, and the second mounting groove 535 is used for accommodating the second extension part 313 of the card antenna 31.

When the connector 52 and the adaptor 53 are fixed to the frame 11 and the leg 12, respectively, the first extension 312 clipped to the connecting body 521 is fixed to the frame 11, and the second extension 313 clipped to the adaptor body 531 is fixed to the leg 12, so that both ends of the antenna 31 are fixed to the leg 12 and the frame 11, respectively.

When the supporting leg 12 rotates away from the wearing area 14 relative to the frame 11, the adaptor 53 drives the second extension 313 to rotate, so that the included angle between the first linear segment 3121 and the second linear segment 3131 changes, and the elastic portion 311 of the antenna 31 generates a torque, thereby generating an elastic deformation. When the elastic part 311 returns to elastic deformation, the leg 12 is rotated in a direction approaching the wearing area 14 by the elastic part 311, so that the leg 12 returns to the original state.

It should be noted that, in this embodiment, the communication assembly 30 is disposed at the connection between the two legs 12 and the frame 11, that is, the two legs 12 achieve elastic recovery of the rotation state through the antenna 31. In addition to this arrangement, it is also possible to provide the antenna 31 only at the junction of one leg 12 and the frame 11, while the other leg 12 achieves elastic restoration of the rotational state by the torsion spring structure.

In addition, in the communication module 30 of this embodiment, a nano heat dissipation coating may be coated on the surface of the antenna 31, so as to increase the speed of heat diffusion, enhance the heat dissipation performance of the communication module 30, avoid the heat from being accumulated inside the head-mounted device 100, and ensure the normal use performance of the head-mounted device 100.

Before the user wears the head-mounted device 100 of this embodiment, the size of the head circumference portion 40 may be adjusted according to the head circumference of the user, and when the user wears the head-mounted device 100, the legs 12 may rotate relative to the frame 11 in compliance with the width of the face of the user, so that the wearing region 14 may be adapted to the face of the user, and at this time, the elastic portion 311 of the antenna 31 generates elastic deformation. When the user takes off the head-mounted device 100, the elastic deformation of the elastic portion 311 disappears, and under the elastic restoring force of the elastic portion 311, the supporting legs 12 rotate to the initial position, so that the wearing region 14 is restored to the original state, and the head-mounted device 100 is ready to be used next time.

For the head-mounted device of the embodiment, the antenna can realize the communication function of the head-mounted device, so that the head-mounted device can radiate and receive electric wave signals in the using process; meanwhile, the elastic part of the antenna can generate elastic deformation when the supporting legs rotate relative to the frame, so that the head-mounted equipment can be adapted to the face shapes with different widths, and the use experience of a user is improved; after the user takes off the head-mounted device, the elastic restoring force of the elastic part of the antenna can enable the supporting leg to rotate to the initial position for the next use. The antenna integrates the functions of communication and elastic switching, avoids the arrangement of an elastic switching piece in the head-mounted equipment, effectively saves the space inside the head-mounted equipment, ensures that the clearance area of the antenna can meet the design requirement, ensures the good radiation performance of the antenna and the stability of signals, and ensures the better communication performance of the head-mounted equipment.

While the present application has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present application may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A head-mounted device, comprising:

the equipment comprises an equipment body and a support leg, wherein the support leg is rotatably connected with the frame;

a main board disposed inside the apparatus main body; and

the communication assembly is arranged in the equipment main body and comprises an antenna and a circuit board connected with the antenna, and the antenna is in communication connection with the mainboard through the circuit board; one end of the antenna is fixed with the supporting leg, and the other end of the antenna is fixed with the frame; the antenna comprises an elastic part, the elastic part is arranged corresponding to the joint of the supporting leg and the frame, the supporting leg rotates relative to the frame, and the elastic part generates elastic deformation;

the connecting component comprises a rotating shaft, and a connecting piece and an adapter piece which are arranged on the rotating shaft, wherein the connecting piece and the adapter piece are rotatably connected through the rotating shaft; the connecting piece is connected with the frame, and the adapter piece is connected with the supporting leg;

wherein the antenna comprises a first extension part and a second extension part, and the elastic part is connected between the first extension part and the second extension part; the first extension part is connected with the connecting piece, and the second extension part is connected with the adapter piece; the adaptor rotates relative to the connecting piece, and the elastic part generates elastic deformation; the elastic part is a spiral coil, and the first extension part and the second extension part are respectively connected to two ends of the elastic part;

the first extension part comprises a first straight line section and a first bending section, the first straight line section is connected with the end part of the elastic part, and the first bending section is connected with one end, far away from the elastic part, of the first straight line section; the second extension portion comprises a second straight line section and a second bending section, the second straight line section is connected with the end portion of the elastic portion, and the second bending section is connected to one end, far away from the elastic portion, of the second straight line section.

2. The head-mounted apparatus according to claim 1, wherein the hinge is disposed at a position corresponding to a connection between the leg and the frame, and the elastic portion is disposed outside the hinge.

3. The head-mounted apparatus according to claim 1, wherein the main board and the circuit board are both disposed inside the frame, and an end of the first extension portion is connected to the circuit board, which is connected to the main board.

4. The headset of claim 1, wherein the surface of the connector facing the frame is recessed with a first mounting slot for receiving the first extension; the adapter piece is provided with a second mounting groove in a concave mode on the surface facing the supporting leg, and the second mounting groove is used for containing the second extending portion.

5. The head-mounted device of claim 1, wherein the connecting member comprises a connecting body and connecting lugs arranged at two ends of the connecting body, the two connecting lugs are arranged at the same side of the connecting body, and the connecting lugs are provided with connecting holes for the rotating shaft to penetrate through;

the switching piece includes the switching body and sets up the switching ear at switching body both ends, two the switching ear is arranged the homonymy of switching body, be equipped with on the switching ear and supply the switching hole that the pivot wore to establish.

6. The head-mounted apparatus according to claim 5, wherein a first mounting column is convexly arranged on the inner wall of the frame, and a first mounting hole matched with the first mounting column is arranged on the connecting body; the inner wall of the supporting leg is convexly provided with a second mounting column, and the switching body is provided with a second mounting hole matched with the second mounting column.

7. The headset of claim 1, wherein the circuit board is a flexible circuit board.