CN216670400U - Foldable AR glasses - Google Patents

Abstract

The utility model discloses foldable AR glasses, which comprise: the control module is arranged on the side of the glasses legs of the AR glasses and used for processing the received audio and video data and sending the processed audio and video data to the display module; the display module is arranged on the side of the frame of the AR glasses and used for receiving and displaying the processed audio and video data; the glasses legs and the glasses frame are connected through hinge assemblies, and the control module is in wireless communication connection with the display module. According to the AR glasses that this application embodiment provided, be located through wireless communication connection between the control module on the mirror leg and the display module that is located on the picture frame, and connect through the hinge subassembly between mirror leg and the picture frame, not only can realize folding function, can also realize that the durability of high-frequency is buckled, avoided the fragile problem of signal line.

Description

Foldable AR glasses

Technical Field

The utility model relates to the technical field of AR equipment, in particular to foldable AR glasses.

Background

In the process of developing to the conventional glasses form, the AR glasses inevitably need to be folded for 90 degrees to be stored, but as the main board and the battery are usually placed on the glasses legs, and the optical machine and the camera are placed at the front end of the glasses frame, dozens or even hundreds of signal lines need to be connected to the front end of the glasses frame from the glasses legs, so that great limitation is brought to the form of the AR glasses, and high-frequency durable folding cannot be realized.

SUMMERY OF THE UTILITY MODEL

The disclosed embodiments provide foldable AR glasses. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

In one embodiment of the present application, a foldable AR eyeglass comprises:

the control module is arranged on the side of the glasses legs of the AR glasses and used for processing the received audio and video data and sending the processed audio and video data to the display module;

the display module is arranged on the side of the frame of the AR glasses and used for receiving and displaying the processed audio and video data;

the glasses legs and the glasses frame are connected through hinge assemblies, and the control module is in wireless communication connection with the display module.

Optionally, a control module comprising:

the device comprises a main control chip, a first audio playing unit, a Hall sensor detection unit, a power supply switching unit and a first wireless communication unit;

the first audio playing unit, the power supply switching unit and the first wireless communication unit are connected with the main control chip, and the first wireless communication unit is further connected with the Hall sensor detection unit.

Optionally, the main control chip is further in wireless communication connection with an external terminal, and is used for receiving the audio and video data sent by the external terminal and processing the received audio and video data;

the first audio playing unit is used for playing audio on the first side of the glasses legs;

the Hall sensor detection unit is used for detecting whether the glasses legs are folded or not according to magnetic field signals generated by the magnets on the glasses frame and sending output level signals to the first wireless communication unit, and the first wireless communication unit sends the level signals to the main control chip;

the power supply switching unit is used for receiving the control signal sent by the main control chip, closing the power supply of the display module according to the control signal when the glasses legs are folded, and opening the power supply of the display module according to the control signal when the glasses legs are unfolded;

the first wireless communication unit is also in communication connection with the display module and is used for sending the audio and video data processed by the main control chip to the display module and receiving the data sent by the display module.

Optionally, the control module further includes:

the first power supply is connected with the main control chip and used for supplying power to the control module;

and the power supply management unit is connected with the main control chip, the external power supply equipment and the power supply switching unit and used for supplying power to the AR glasses.

Optionally, a display module, comprising:

the second wireless communication unit, the interface conversion unit, the display unit and the second audio playing unit;

the second wireless communication unit is connected with the first wireless communication unit and the interface conversion unit, and the interface conversion unit is further connected with the display unit and the second audio playing unit.

Optionally, the second wireless communication unit is configured to receive the processed audio and video data sent by the first wireless communication unit, and send the received processed audio and video data to the interface conversion unit;

the interface conversion unit is used for decoding the received audio and video data and converting the decoded audio and video data into data in a corresponding interface form;

a display unit for displaying the converted video image data;

and the second audio playing unit is used for playing audio on the second side of the glasses legs.

Optionally, the display module further includes:

the second power supply is connected with the interface conversion unit and used for supplying power to the display module;

the micro-electromechanical sensor module is connected with the interface conversion unit and used for detecting acceleration and rotation angular velocity in three axial directions of X, Y and Z and sending detection data to the interface conversion unit, and the interface conversion unit sends the detection data to the main control chip through the second wireless communication unit;

the camera module is connected with the interface conversion unit and used for acquiring an external image and sending the external image to the interface conversion unit, and the interface conversion unit sends the external image to the main control chip through the second wireless communication unit.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

according to the AR glasses, an FPC (Flexible Printed Circuit board) or an ultrathin coaxial cable can be omitted between the glasses legs and the glasses frame, so that the problems that the FPC or the ultrathin coaxial cable is poor in bending resistance and large in insertion loss in a high-speed signal using state are solved. The pivot position communicates through high frequency radio signal, can realize that the durability of high frequency is buckled, has avoided the fragile problem of signal line. The internal cavity space does not need to be reserved for the structural part at the rotating shaft, so that the volume of the hinge assembly is greatly reduced, and the miniaturization design of the AR glasses and the coordination of the form of the whole AR glasses are facilitated. And the assembly of the glasses legs and the assembly of the front frame of the glasses have better operability, and are beneficial to the production, assembly, maintenance and replacement of parts.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic diagram illustrating the structure of foldable AR glasses according to an exemplary embodiment;

FIG. 2 is a schematic diagram illustrating an unfolded state of hinge positions of foldable AR glasses according to an exemplary embodiment;

fig. 3 is a schematic diagram illustrating a hinge position folded state of foldable AR glasses according to an exemplary embodiment.

Reference numerals:

01. frame, 02, hinge subassembly, 03, mirror leg, 04, display module, 05, control module.

Detailed Description

So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

Generally, in order to realize portability of the AR glasses, it is inevitable to add a hinge assembly to the temple to realize a function of folding for 90 ° storage, but since the main board and the battery are generally placed on the temple and the optical machine and the camera are placed at the front end of the frame, tens or even hundreds of signal lines need to be connected from the temple to the front end of the frame, which imposes a great limitation on the form of the AR glasses and cannot realize durable folding at high frequency. Based on this, the embodiment of the application provides a novel non-contact data interaction architecture, and the data interaction architecture is specially suitable for data interaction and folding detection functions of the hinge connection position of the glasses legs.

Fig. 2 is a schematic diagram illustrating a foldable AR glasses in an unfolded state at a rotating shaft position according to an exemplary embodiment, and as shown in fig. 2, the AR glasses provided in the embodiment of the present application include a control module 05, which is disposed inside a temple 03 of the AR glasses and is configured to process received audio and video data and send the processed audio and video data to a display module 04. The display module 04 is arranged on the inner side of the frame 01 of the AR glasses and used for receiving and displaying the processed audio and video data. The temple 03 and the frame 01 are connected through a hinge assembly 02, and the control module 05 is in wireless communication connection with the display module 04. Through being located control module 05 on mirror leg 03 and being located through wireless communication connection between the display module 04 on picture frame 01, not only can realize folding function, can also realize that the durability of high frequency is buckled, avoided the fragile problem of signal line.

FIG. 3 is a schematic diagram illustrating a hinge position folded state of foldable AR glasses according to an exemplary embodiment. As shown in fig. 3, the spectacle frame 01 and the spectacle leg 03 are connected by the hinge assembly 02, so that the spectacle leg 03 can be folded at the connection position with the hinge assembly 02, and is convenient to store.

Referring to fig. 1, a foldable AR glasses provided by an embodiment of the present application will be described in detail, as shown in fig. 1, a hardware system of the AR glasses mainly includes two parts, namely a control module 05 and a display module 04.

In one possible implementation, the control module 05 includes: the intelligent audio player comprises a main control chip, a first audio playing unit, a Hall sensor detection unit, a power supply switching unit, a first wireless communication unit, a first power supply, a power supply management unit, a USB interface and a switch.

The first audio playing unit, the power supply switching unit, the first wireless communication unit, the first power supply, the power supply management unit and the switch are connected with the main control chip, the first wireless communication unit is further connected with the Hall sensor detection unit, the power supply switching unit is further connected with the USB interface and the power supply management unit, and the power supply management unit is further connected with an external power supply device.

In a possible implementation manner, an AP (application program) main control chip may be adopted, where the AP main control chip includes a BT radio frequency unit and an antenna unit, the radio frequency and the antenna portion of the AP main control chip are used for performing wireless communication with an external terminal such as a mobile phone or a computer, and the external terminal may transmit video and audio data to the main control chip through wifi or bluetooth. The main control chip processes the received audio and video data, for example, the image processing of the whole display module, the coding and decoding processing of the camera module, the 6DOF algorithm processing and the audio uplink and downlink algorithm processing. In the AP master control chip in the embodiment of the present application, the data processing method adopted is a data processing method in the prior art.

Further, the control module 05 further includes a first wireless communication unit connected to the main control chip for receiving the processed audio and video data sent by the main control chip, and the first wireless communication unit is further connected to the display module 04 for wireless communication, and is configured to send the processed audio and video data to the display module 04 and receive the data sent by the display module 04 to complete data exchange. In one possible implementation, the first wireless communication module is a 60GHz wireless TX module.

Further, the control module 05 further includes a first audio playing unit connected to the main control chip for receiving audio data processed by the main control chip and playing audio on the first side of the temple. In an optional embodiment, the first audio playing unit is an SPK audio playing unit on the right side, and is responsible for playing the audio of the right temple.

Further, the control module 05 further comprises a hall sensor detection unit connected to the first wireless communication unit. In one possible implementation, the hall sensor is disposed on the temple 03, and the magnet is disposed on the display module 04 inside the frame 01, and if the temple 03 is folded, the hall sensor and the magnet are located right opposite to each other. The hall sensor detecting unit may detect whether the temples 03 are folded or not based on a magnetic field signal generated from the magnet on the frame 01. When the two are close to or far away from each other, the change of the magnetic field is generated, so that the Hall sensor detection unit outputs a high-level or low-level action signal to the first wireless communication module, and the first wireless communication module sends the high-level or low-level action signal to the AP main control chip.

Further, the control module 05 further includes a power switching unit, which is connected to the main control chip and the power management module, and an enable end of the power switching unit is controlled by the AP main control chip and is configured to receive a control signal sent by the main control chip, when the hall sensor detects that the temple 03 is folded, the AP main control chip outputs a control signal according to a received level signal, the power switching unit turns off the power of the display module 04 according to the control signal, and when the temple 03 is unfolded, the power of the display module 04 is turned on according to the control signal. Therefore, when the AR glasses are in a folded state, the power supply of the display module 04 can be turned off, the control module 05 is in a dormant state, only the hall sensor detection function is retained, the static power consumption is extremely low, and the purpose of ultra-long standby is achieved.

Further, the control module 05 further comprises a first power supply, which is connected with the main control chip and used for supplying power to the whole control module 05.

Further, control module 05 still includes the power management unit, links to each other with main control chip, external power supply equipment and power switching unit for AR glasses power supply, be responsible for the charge-discharge management of the inside battery module of entire system.

Further, the control module 05 further includes a USB interface connected to the power switching unit for connecting an external device. The control module 05 further comprises a switch key connected with the main control chip, when the switch key is turned on by a user, the AR glasses are in a working state, and when the switch key is turned off by the user, the AR glasses are in a closed state. The switch buttons are located on the temple 03.

In a possible implementation manner, control module 05 may be located on a right temple of the AR glasses, or may be located on a left temple of the AR glasses, which is not specifically limited in the embodiment of the present application, when control module 05 is located on the right temple, first audio playing unit is responsible for playing of audio of the right temple, and when control module 05 is located on the left temple, first audio playing unit is responsible for playing of audio of the left temple.

In a possible implementation manner, the AR glasses in the embodiment of the present application further include a display module 04, where the display module 04 includes a second wireless communication unit, an interface conversion unit, a display unit, a second audio playing unit, a second power supply, a micro-electromechanical sensor module, and a camera module.

The second wireless communication unit is connected with the first wireless communication unit and the interface conversion unit, and the interface conversion unit is further connected with the display unit, the second audio playing unit, the second power supply, the micro-electromechanical sensor module and the camera module.

Specifically, the second wireless communication unit is configured to receive the processed audio and video data sent by the first wireless communication unit, and send the received audio and video data to the interface conversion unit. In one possible implementation, the second wireless communication module is a 60GHz wireless RX communication module.

Specifically, the interface conversion unit is configured to decode the received audio and video data, and convert the decoded audio and video data into data in a corresponding interface form. For example, the interface conversion unit converts the display image into data of the MIPI interface and sends the data to the display screen for image display; converting the audio signal into data of an I2S interface, and sending the data to a Smart PA for playing audio; converting the MIPI signal of the camera into a UART signal, sending the UART signal to the second wireless communication module, and then sending the UART signal to the first wireless communication module by the second wireless communication module; the SPI interface data of the IMU is converted into UART signals and is sent to the first wireless communication module through the second wireless communication module, and the first wireless communication module sends the received data to the main control chip. In one possible implementation, the interface conversion unit is a chip with an interface conversion function.

The display unit is used for displaying the video image data converted by the interface conversion unit.

The glasses also comprise a second audio playing unit which is used for playing audio on the second side of the glasses legs. In an optional embodiment, the second audio playing unit is an SPK audio playing unit on the left side, and is responsible for playing left temple audio.

Further, the display module 04 further includes: and the second power supply is connected with the power supply switching unit and the interface conversion unit and is used for supplying power to the display module 04.

Furthermore, the display module 04 further comprises a micro-electromechanical sensor module, which is connected to the interface conversion unit and used for detecting acceleration and rotation angular velocity in three axial directions of X, Y and Z, and sending the detection data to the interface conversion unit, and the interface conversion unit sends the detection data to the main control chip through the second wireless communication unit. Thereby adjusting the display.

Further, the display module 04 further comprises a camera module connected with the interface conversion unit for acquiring an external image, and sending the external image to the interface conversion unit, and the interface conversion unit sends the external image to the main control chip through the second wireless communication unit for generating front-back, left-right, and up-down 3-degree-of-freedom detection.

In a possible implementation manner, the display module 04 may be located on the left frame, the right frame, or both the left frame and the right frame, which is not specifically limited in the embodiments of the present application.

According to the AR glasses, FPC or ultra-thin coaxial cables can be omitted between the glasses legs 03 and the glasses frame 01, and therefore the problem that signal lines are prone to damage is avoided. The pivot position communicates through high frequency radio signal, and the structure just need not just keep the internal cavity space for it in pivot department, and the volume of hinge subassembly 02 department will reduce by a wide margin like this, is favorable to the miniaturized design of AR glasses and keeps the harmony of whole AR glasses form. And the assembly of the glasses leg 03 and the assembly of the front frame of the glasses are more operable, which is beneficial to the production, assembly, maintenance and replacement of parts. Moreover, after the temple 03 is in the bent state, the control module 05 on the temple 03 side detects that the AR glasses are in the storage state through the hall sensor, and at this time, all power supplies of the display module 04 on the frame 01 side are cut off, so that the static power consumption is extremely low, and the purpose of ultra-long standby is achieved.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (7)

1. A foldable AR eyeglass, comprising:

the control module is arranged on the side of the glasses legs of the AR glasses and used for processing the received audio and video data and sending the processed audio and video data to the display module;

the display module is arranged on the side of the frame of the AR glasses and used for receiving and displaying the processed audio and video data;

the glasses legs and the glasses frame are connected through hinge assemblies, and the control module is in wireless communication connection with the display module.

2. The AR glasses according to claim 1, wherein said control module comprises:

the device comprises a main control chip, a first audio playing unit, a Hall sensor detection unit, a power supply switching unit and a first wireless communication unit;

the first audio playing unit, the power supply switching unit and the first wireless communication unit are connected with the main control chip, and the first wireless communication unit is further connected with the Hall sensor detection unit.

3. The AR glasses according to claim 2,

the main control chip is also in wireless communication connection with an external terminal and is used for receiving the audio and video data sent by the external terminal and processing the received audio and video data;

the first audio playing unit is used for playing audio on the first side of the glasses legs;

the Hall sensor detection unit is used for detecting whether the glasses legs are folded or not according to magnetic field signals generated by the magnets on the glasses frame and sending output level signals to the first wireless communication unit, and the first wireless communication unit sends the level signals to the main control chip;

the power supply switching unit is used for receiving the control signal sent by the main control chip, closing the power supply of the display module according to the control signal when the glasses legs are folded, and opening the power supply of the display module according to the control signal when the glasses legs are unfolded;

the first wireless communication unit is also in communication connection with the display module and is used for sending the audio and video data processed by the main control chip to the display module and receiving the data sent by the display module.

4. The AR glasses of claim 2, wherein the control module further comprises:

the first power supply is connected with the main control chip and used for supplying power to the control module;

and the power supply management unit is connected with the main control chip, the external power supply equipment and the power supply switching unit and used for supplying power to the AR glasses.

5. The AR glasses according to claim 1, wherein the display module comprises:

the second wireless communication unit, the interface conversion unit, the display unit and the second audio playing unit;

the second wireless communication unit is connected with the first wireless communication unit and the interface conversion unit, and the interface conversion unit is also connected with the display unit and the second audio playing unit.

6. The AR glasses according to claim 5,

the second wireless communication unit is used for receiving the processed audio and video data sent by the first wireless communication unit and sending the received processed audio and video data to the interface conversion unit;

the interface conversion unit is used for decoding the received audio and video data and converting the decoded audio and video data into data in a corresponding interface form;

the display unit is used for displaying the converted video image data;

the second audio playing unit is used for playing audio on the second side of the glasses legs.

7. The AR glasses according to claim 5, wherein the display module further comprises:

the second power supply is connected with the interface conversion unit and used for supplying power to the display module;

the micro-electromechanical sensor module is connected with the interface conversion unit and used for detecting acceleration and rotation angular velocity in three axial directions of X, Y and Z and sending detection data to the interface conversion unit, and the interface conversion unit sends the detection data to the main control chip through the second wireless communication unit;

the camera module is connected with the interface conversion unit and used for acquiring an external image and sending the external image to the interface conversion unit, and the interface conversion unit sends the external image to the main control chip through the second wireless communication unit.

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