Identification module and MR head-mounted device

Abstract

The utility model relates to an identification module and an MR head-mounted device, wherein the module includes a control component and a controlled component, wherein a first control circuit including a first MCU is provided in cooperation with the control component, wherein a detection port and an identification comparison unit respectively matched with the controlled component are provided in cooperation with the first MCU, wherein the detection port is used to detect the controlled component in place, and the identification comparison unit is used to determine the type of optical machine module corresponding to the controlled component; the device includes a main housing and an optical machine module detachably arranged therein, wherein a control component is arranged in the main housing, and the optical machine module is matched with the controlled component to meet the matching and identification of the control component and the controlled component after installation. The utility model realizes the purpose of safe power-off when the optical machine module is separated from the main housing and safe power-on in the installed state through the detection port, realizes the purpose of real-time judgment and identification of different types of optical machine modules through the identification comparison unit, and then quickly switches the corresponding display mode to ensure the user's immersive experience.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring electric variables and measuring magnetic variables, and in particular to an identification module and an MR head-mounted device. Background Art

[0002] With the rapid development of the leisure and entertainment industry, many terminal simulators in mixed reality environments have emerged to meet users' needs for stronger control and immersion.

[0003] Mixed Reality (MR) is a technology that combines reality and virtual environments. It allows users to interact with virtual content by combining virtual objects with the real world. It usually uses head-mounted display devices or smart phones to present virtual content, and can capture real-world information through sensors, cameras and other devices. Mixed reality technology has begun to be applied in education, entertainment, medical care and other fields, providing users with a new experience and interaction method.

[0004] In a mixed reality environment, people usually use VR devices and / or AR devices to view or obtain visual clues in the interactive experience. Taking VR head-mounted display devices as an example, VR head-mounted display devices generally include a VR shell, in which an optical machine module is arranged. However, the optical lens module and display screen built into the VR head-mounted display in the prior art are fixedly installed inside the VR helmet and cannot be removed. This is too single-function for users who want to experience different scenes or want to meet different experience needs by changing the lens type, and they cannot obtain a diversified and targeted experience.

[0005] Furthermore, with the development of detachable optical-mechanical modules, how to quickly and accurately identify different types of optical-mechanical modules has become one of the technical problems that need to be solved urgently. Utility Model Content

[0006] The utility model solves the problems existing in the prior art and provides an identification module and an MR head-mounted device, which can accurately identify different types of optical machine modules and switch corresponding display modes after the installation of the optical machine module is completed.

[0007] The technical solution adopted by the utility model is an identification module, which includes a control component and a controlled component. A first control circuit is provided in conjunction with the control component. The first control circuit includes a first MCU. A detection port and an identification comparison unit are provided in conjunction with the first MCU. The detection port and the identification comparison unit are respectively provided in conjunction with the controlled component.

[0008] Preferably, the identification and comparison unit comprises a pressure difference module, the input end of the pressure difference module is respectively connected to a standard resistor and a variable resistor configured in the controlled component, and the output end of the pressure difference module is connected to the first MCU through an analog-to-digital conversion module.

[0009] An MR head-mounted device using the identification module accessory, the device includes a main housing and an optical machine module detachably arranged in the main housing, a control component is arranged in the main housing, and a controlled component is arranged on the side of the optical machine module facing the main housing, and the control component and the controlled component are arranged in coordination.

[0010] Preferably, a first control circuit is provided in cooperation with the control component, the first control circuit includes a first MCU, a detection port and an identification and comparison unit are provided in cooperation with the first MCU, and the detection port and the identification and comparison unit cooperate with the controlled component respectively.

[0011] Preferably, a codec is provided in conjunction with the first MCU, and a plurality of input modules and output modules are provided in conjunction with the first MCU and the codec.

[0012] Preferably, a second control circuit is provided in cooperation with the controlled component, the second control circuit includes a second MCU, and a connector is provided in cooperation with the second MCU, and the connector is arranged in cooperation with the control component.

[0013] Preferably, a video bridge chip and a power supply are provided in conjunction with the second MCU, and the power supply is connected to the video bridge chip via a connector.

[0014] Preferably, the connector is connected to an enable terminal of a power source.

[0015] Preferably, the device is a PC-VR or an all-in-one VR machine.

[0016] Preferably, a MUX duplex circuit is provided in conjunction with the control component, the MUX duplex circuit is connected to a PC video source or an all-in-one video source, and an output end of the MUX duplex circuit is connected to a controlled component.

[0017] The utility model relates to an identification module and an MR head-mounted device, wherein the module comprises a control component and a controlled component, wherein a first control circuit is provided in cooperation with the control component, wherein the first control circuit comprises a first MCU, wherein a detection port and an identification comparison unit are provided in cooperation with the first MCU, wherein the detection port and the identification comparison unit are respectively provided in cooperation with the controlled component, wherein the detection port is used to detect whether the controlled component is in place, and the identification comparison unit is used to determine the type of optical-mechanical module corresponding to the controlled component; the device comprises a main housing and an optical-mechanical module detachably provided therein, wherein the control component is provided in the main housing, and the optical-mechanical module is provided in cooperation with the controlled component, so as to meet the matching and identification requirements of the control component and the controlled component after installation.

[0018] The beneficial effects of the present utility model are that, by using the detection port, the purpose of safe power-off when the optical-machine module is detached from the main casing and safe power-on in the installed state is achieved; by using the identification and comparison unit, the purpose of real-time judgment and identification of different types of optical-machine modules is achieved, and then the corresponding display mode is quickly switched to ensure the user's immersive experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the identification module and its coordination with the device in the utility model;

[0020] Figure 2 It is a schematic block diagram of the structure of the cooperation between the first control circuit and the second control circuit in the utility model;

[0021] Figure 3 It is a schematic block diagram of the structure of the identification and comparison unit in the utility model;

[0022] Figure 4 It is a schematic block diagram of the structure of a MUX duplex circuit in an embodiment of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the main housing and the optical machine module in the utility model. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with embodiments, but the protection scope of the present invention is not limited thereto.

[0025] like Figure 1 The solid line connection part in the utility model relates to an identification module, which includes a control component and a controlled component. A first control circuit is provided in conjunction with the control component. The first control circuit includes a first MCU. A detection port and an identification comparison unit are provided in conjunction with the first MCU. The detection port and the identification comparison unit are respectively provided in conjunction with the controlled component.

[0026] In the utility model, the identification module accessories can actually be applied in different adaptation fields. By respectively arranging the control component and the controlled component on the contact side of the detachable component and the carrier, the matching of the detachable component and the carrier is achieved and the normal operation of the detachable component is performed.

[0027] In the present utility model, considering that the actual control core is located in the control component, a first control circuit is set in conjunction with the control component, wherein the first MCU serves as the main control MCU to perform overall control operations. MCU is easily understood by those skilled in the art, and those skilled in the art can select a suitable model of MCU based on actual application requirements.

[0028] In the utility model, the first MCU is at least equipped with a detection port and an identification and comparison unit, so that the detection port detects the position of the controlled component to ensure the safety of power on and off, and the identification and comparison unit determines the type of optical machine module 2 corresponding to the controlled component, and then controls the corresponding operation mode.

[0029] like Figure 3 As shown, the identification and comparison unit includes a pressure difference module, the input end of the pressure difference module is respectively connected to a standard resistor and a variable resistor configured in the controlled component, and the output end of the pressure difference module is connected to the first MCU through an analog-to-digital conversion module.

[0030] like Figure 4 As shown, in the specific implementation process, the voltage of the intermediate node between the standard resistor R1 and the variable resistor R2 of the controlled component is collected through the ADC pin of the first MCU to obtain the voltage difference, and the information is obtained through the analog-to-digital conversion module. According to the information pre-stored in the storage unit of the first MCU, the information of the optical machine module 2 can be judged, including but not limited to the type of the optical machine module 2.

[0031] In this embodiment, the variable resistor R2 is disposed in the optical-mechanical module 2 , and the resistance value of R2 in different optical-mechanical modules 2 is different.

[0032] like Figure 1 overall and Figure 5 As shown, the utility model also relates to an MR head-mounted device using the identification module. The MR head-mounted device is an important component of the MR mixed reality device. The MR mixed reality device includes a VR device (virtual reality device) and an AR device (augmented reality device) in application. In this embodiment, the VR device is taken as an example; the device includes a main housing 1 and an optical machine module 2 detachably arranged in the main housing 1, the main housing 1 is provided with a control component, and the optical machine module 2 is provided with a controlled component on the side facing the main housing 1, and the control component and the controlled component are arranged in coordination.

[0033] In the utility model, the identification module can be applied to the MR head-mounted device. Specifically, the control component and the controlled component are respectively arranged on the contact surface of the main housing 1 and the optical machine module 2 to ensure the cooperation between the two after they are installed in place.

[0034] In the present invention, the disassembly, assembly and fixation of the main housing 1 and the optical machine module 2 are generally achieved by structures such as positioning components, and those skilled in the art can set them according to their needs.

[0035] like Figure 2 As shown, a first control circuit is provided in cooperation with the control component, the first control circuit includes a first MCU, and a detection port and an identification and comparison unit are provided in cooperation with the first MCU, and the detection port and the identification and comparison unit are respectively coordinated with the controlled component.

[0036] A codec is provided in conjunction with the first MCU, and a plurality of input modules and output modules are provided in conjunction with the first MCU and the codec.

[0037] A second control circuit is provided in cooperation with the controlled component, the second control circuit includes a second MCU, and a connector is provided in cooperation with the second MCU, and the connector is arranged in cooperation with the control component.

[0038] A video bridge chip and a power supply are provided in conjunction with the second MCU, and the power supply is connected to the video bridge chip via a connector.

[0039] The connector is connected to an enable terminal of a power source.

[0040] In the present invention, generally speaking, the detection port and the identification and comparison unit are both connected to the connector at the second control circuit so as to detect and identify the type of the optical machine module 2, and the connector is provided with components including but not limited to a detection interface and an output resistor;

[0041] Specifically, the first control circuit is provided with a first MCU;

[0042] The first MCU detects the state of a certain pin through GPIO as a detection port, and the state of this pin is different when the optical machine module 2 is inserted or not inserted, so as to judge whether the optical machine module 2 is inserted. When it is detected that the optical machine module 2 is not inserted, the power supply of the optical machine module 2 is disconnected, otherwise the power supply of the optical machine module 2 is turned on;

[0043] The identification and comparison unit collects the voltage of the middle node between the standard resistor R1 and the output resistor R2 of the connector at the second control circuit through the ADC pin of the first MCU, and judges the type of the optical machine module 2 based on the voltage difference according to a table pre-stored in the storage unit of the first MCU; the resistance value of R2 in different optical machine modules 2 is different.

[0044] In the utility model, the second control circuit is mainly used to control the lens and the display screen. The difference lies in the different types of the optical machine module 2, including but not limited to an optical machine module 2 with a larger field of view or an optical machine module 2 with a higher clarity. At this time, the types of the lens module of the optical machine module 2 and the display screen arranged in front of the lens module are different, and thus the optical machine module 2 is different, and the circuit mode of the second control circuit is also different to meet the needs of different users.

[0045] In the utility model, the input module and output module configured in conjunction with the first MCU and the codec include but are not limited to a power supply, a USB expander, a plurality of cameras, an IMU, a sensor, a storage unit and an expandable interface, etc. The power supply is used to control the power supply of the components, the USB expander is used to realize external expansion, the plurality of cameras are used to obtain the surrounding environment information, the IMU obtains the posture information, the sensor is generally a P-Sensor for obtaining the distance information, the storage unit is generally an EEPROM, and the expandable interface includes but is not limited to a button, an SPK interface, an audio interface, etc., for realizing the access of different external devices.

[0046] In the utility model, the second MCU is at least configured with a video bridge chip and a power supply, and the power supply is connected to the video bridge chip through a connector. When the connector is detected in place through the detection port and is identified by the first MCU through the identification and comparison unit to obtain the specific optical group module type, the video bridge chip performs format conversion according to the protocol standards of different videos, obtains the corresponding playback content, and realizes the display of video images on the screen. The power supply is used to power the controlled components, the USB extender is used to realize external expansion, and the motor drive circuit is used to realize fine-tuning of the components in the optical machine module 2.

[0047] The device is a PC-VR or an all-in-one VR machine.

[0048] A MUX duplex circuit is provided in conjunction with the control component. The MUX duplex circuit is connected to a PC video source or an all-in-one video source, and an output end of the MUX duplex circuit is connected to a controlled component.

[0049] In the present invention, the device can be a PC-VR device, or a VR all-in-one device. The implementation method for replacing different types of optical machine modules 2 is the same, which is easy to implement.

[0050] In the utility model, taking VR equipment as an example, a MUX duplex circuit is placed in the video path for switching the video source. The MUX duplex circuit is controlled by the first MCU of the control component. When in PC mode, it switches to the PC video source. When in all-in-one mode, it switches to the all-in-one video source. The output ends are all at the controlled component, and the display screen is used for playback.

[0051] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A recognition module, characterized in that: The module includes a control component and a controlled component. A first control circuit is provided in conjunction with the control component. The first control circuit includes a first MCU. A detection port and an identification and comparison unit are provided in conjunction with the first MCU. The detection port and the identification and comparison unit are respectively provided in conjunction with the controlled component.

2. The identification module according to claim 1, characterized in that: The identification and comparison unit includes a pressure difference module, the input end of the pressure difference module is respectively connected to a standard resistor and a variable resistor configured in the controlled component, and the output end of the pressure difference module is connected to the first MCU through an analog-to-digital conversion module.

3. An MR head-mounted device, the device adopts the recognition module according to any one of claims 1 to 2, characterized in that: The device comprises a main housing and an optical machine module detachably arranged in the main housing. A control component is arranged in the main housing. A controlled component is arranged on the side of the optical machine module facing the main housing. The control component and the controlled component are arranged in coordination.

4. The MR head mounted device according to claim 3, characterized in that: A first control circuit is provided in cooperation with the control component. The first control circuit includes a first MCU. A detection port and an identification and comparison unit are provided in cooperation with the first MCU. The detection port and the identification and comparison unit are respectively coordinated with the controlled component.

5. The MR head mounted device according to claim 4, characterized in that: A codec is provided in conjunction with the first MCU, and a plurality of input modules and output modules are provided in conjunction with the first MCU and the codec.

6. The MR head mounted device according to claim 3, characterized in that: A second control circuit is provided in cooperation with the controlled component, the second control circuit includes a second MCU, and a connector is provided in cooperation with the second MCU, and the connector is arranged in cooperation with the control component.

7. The MR head mounted device according to claim 6, characterized in that: A video bridge chip and a power supply are provided in conjunction with the second MCU, and the power supply is connected to the video bridge chip via a connector.

8. The MR head mounted device according to claim 7, characterized in that: The connector is connected to an enable terminal of a power source.

9. The MR head mounted device according to claim 3, characterized in that: The device is a PC-VR or an all-in-one VR machine.

10. The MR head mounted device according to claim 9, characterized in that: A MUX duplex circuit is provided in conjunction with the control component. The MUX duplex circuit is connected to a PC video source or an all-in-one video source, and an output end of the MUX duplex circuit is connected to a controlled component.

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