CN113163191B - Split type short-focus VR equipment - Google Patents
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- CN113163191B CN113163191B CN202110354580.4A CN202110354580A CN113163191B CN 113163191 B CN113163191 B CN 113163191B CN 202110354580 A CN202110354580 A CN 202110354580A CN 113163191 B CN113163191 B CN 113163191B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/344—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] with head-mounted left-right displays
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- G—PHYSICS
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- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
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- G02B27/017—Head mounted
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- H—ELECTRICITY
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- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application relates to a split short-focus VR device, wherein the split short-focus VR device comprises: the device comprises a processor unit, an active optical fiber and a head-mounted unit, wherein the processor unit is connected with the head-mounted unit through the active optical fiber, an electric light conversion PCB and an electric light conversion PCB are respectively packaged at two ends of the active optical fiber, the electric light conversion PCB is connected with one end of the processor unit, and the electric light conversion PCB is connected with one end of the head-mounted unit; the processor unit outputs MIPI signals, the MIPI signals are transmitted to the head-mounted unit through the internal transmission of the active optical fiber, the problems that the VR head-mounted weight is large, the carrying is inconvenient and the cost is high in the existing split VR equipment are solved, the signal transmission quality is ensured, meanwhile, a conversion chip is omitted, the weight and the size are reduced, and the cost is saved.
Description
Technical Field
The application relates to the technical field of VR, in particular to a split type short-focus VR device.
Background
Along with the rapid development of information technology, the development of VR technology is also faster and faster, and the whole VR industry is developed towards the trend of miniaturization, convenience and portability of equipment at present. The biggest charm of VR is the sense of immersion, how to guarantee the sense of immersion and visual comfort of VR helmets, which is closely related to the platform, optical Lens, FOV, display screen, playing content, etc. However, miniaturization of the VR integrated machine is difficult at present, mainly because the whole processing platform and the battery are located in the head-mounted device, if the whole VR integrated machine is miniaturized, many functions can be lost, and compared with the integrated machine, the split VR integrated machine has the advantages of being portable and capable of making up for the inherent shortages of the integrated machine.
In the related technology, split VR currently in the market has 3glass, VR and Pareal manufacturers, but these devices are mainly improved from the designs of the optical system and the head-mounted terminal, and the video data is transmitted by adopting copper wires to ensure the signal quality and reliability of the product; in addition, most of the display screens on the market at present are MIPI interfaces, but MIPI itself has the requirement on the length of the wiring in the board, and the length of the wiring in the board is generally designed to be within 20CM, so that the signal quality is influenced by overlong wiring in the board, the main scheme is to reduce the length of the wiring, but the problem is brought that a chip is required to be added in the middle to perform interface conversion, the video interface capable of being transmitted in a long distance is converted into MIPI signals, the size and weight of a main board of a headset are increased, and the weight and the size of the headset are increased.
At present, aiming at the problems of heavy VR head weight, inconvenient carrying and high cost of the existing split VR equipment in the related art, no effective solution has been proposed yet.
Disclosure of Invention
The embodiment of the application provides split type short-focus VR equipment, solves the VR head weight that current split type VR equipment exists at least and is big, carries inconvenient and problem with high costs.
In a first aspect, embodiments of the present application provide a split short-focus VR apparatus comprising: a processor unit, an active optical fiber and a head-mounted unit,
the processor unit is connected with the head-mounted unit through the active optical fiber, wherein an electric light conversion PCB and an electric light conversion PCB are respectively packaged at two ends of the active optical fiber, the electric light conversion PCB is connected with one end of the processor unit, and the electric light conversion PCB is connected with one end of the head-mounted unit;
the processor unit outputs a MIPI signal that is sent to the head-mounted unit via internal transmission of the active optical fiber.
In some of these embodiments, the head unit includes an optical lens and an OLED screen.
In some embodiments, the OLED screen is connected with the PCB board of the photoelectric conversion,
and the MIPI signal is used for receiving the active optical fiber transmission and displaying video information.
In some embodiments, a power conversion circuit is arranged on the PCB board of the photoelectric conversion,
the power conversion circuit is used for providing level conversion for the power signal of the OLED screen.
In some of these embodiments, before the processor unit outputs the MIPI signal,
the processor unit performs data processing on the MIPI signal, wherein the data processing includes anti-distortion and video decoding.
In some embodiments, a Type-C interface is arranged on the PCB board for electrically converting light,
and the processor unit is connected with the active optical fiber through the Type-C interface.
In some of these embodiments, the Type-C interface comprises:
and reconfiguring pins of the Type-C interface, and transmitting MIPI signals output by the processor unit through a physical connector of the Type-C interface.
In some of these embodiments, an interface conversion circuit is provided on the electrically converted-light PCB board,
and the Type-C interface converts the Display Port signal into an MIPI signal through the interface conversion circuit, and transmits the MIPI signal.
In some of these embodiments, the processor unit includes an image processor platform, a wireless transmission module, and a Type-C interface, wherein the image processor platform is configured to encode and decode multiple videos.
In a second aspect, embodiments of the present application provide a data transmission method of a split-type short-focus VR device, the device including: the data transmission method comprises the steps of a processor unit, an active optical fiber and a head-mounted unit, wherein one end of the active optical fiber is connected with the processor unit, the other end of the active optical fiber is connected with the head-mounted unit, and the data transmission method comprises the following steps:
the processor unit outputs an MIPI signal, and the MIPI signal is sent to the head-mounted unit through the internal transmission of the active optical fiber;
and the head-mounted unit receives the MIPI signal and displays video information corresponding to the MIPI signal.
Compared to the related art, embodiments of the present application provide a split short-focus VR apparatus comprising: the device comprises a processor unit, an active optical fiber and a head-mounted unit, wherein the processor unit is connected with the head-mounted unit through the active optical fiber, an electric light conversion PCB and an electric light conversion PCB are respectively packaged at two ends of the active optical fiber, the electric light conversion PCB is connected with one end of the processor unit, and the electric light conversion PCB is connected with one end of the head-mounted unit; the processor unit outputs MIPI signals, the MIPI signals are transmitted to the head-mounted unit through the internal transmission of the active optical fiber, the problems that the VR head-mounted weight is large, the carrying is inconvenient and the cost is high in the existing split VR equipment are solved, the signal transmission quality is ensured, meanwhile, a conversion chip is omitted, the weight and the size are reduced, and the cost is saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a block diagram of a split short-focus VR device in accordance with an embodiment of the present application;
fig. 2 is a schematic structural diagram of a split short-focus VR apparatus in accordance with an embodiment of the present application;
FIG. 3 is a schematic diagram of an interface conversion circuit according to an embodiment of the present application;
fig. 4 is a flow chart of a method of data transmission for a split short-focus VR device in accordance with an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described and illustrated below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments provided herein, are intended to be within the scope of the present application. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases 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 to be expressly and implicitly understood by those of ordinary skill in the art that the embodiments described herein can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar terms herein do not denote a limitation of quantity, but rather denote the singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means greater than or equal to two. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., "a and/or B" may mean: a exists alone, A and B exist together, and B exists alone. The terms "first," "second," "third," and the like, as used herein, are merely distinguishing between similar objects and not representing a particular ordering of objects.
The present embodiment provides a split short-focus VR apparatus, and fig. 1 is a block diagram of a split short-focus VR apparatus according to an embodiment of the present application, as shown in fig. 1, including: a processor unit 10, an active optical fiber 11, and a head-mounted unit 12.
Fig. 2 is a schematic structural diagram of a split-type short-focus VR device according to an embodiment of the present application, as shown in fig. 2, a processor Unit 10 (processor Unit, abbreviated as PU) is connected to a Head Mount Unit 12 (Head Mount Unit, abbreviated as HMU) through an active optical fiber 11 (Active Optical Cables, abbreviated as AOC), where two ends of the active optical fiber 11 respectively encapsulate an electric-to-optical PCB board and an optical-to-electrical PCB board, the electric-to-optical PCB board is connected to one end of the processor Unit 10, and the optical-to-electrical PCB board is connected to one end of the Head Mount Unit 12; the processor unit 10 outputs a MIPI signal which is transmitted to the head-mounted unit 12 via internal transmission of the active optical fiber 11.
The device adopts the active optical fiber to carry out video transmission of the MIPI signal, so that the length of MIPI transmission can be increased, the reliability of the quality of the transmitted MIPI signal is ensured, and in addition, because the active optical fiber adopts the MIPI signal to carry out video transmission, compared with the prior art, the device does not need interface conversion, removes the design of a conversion chip and a peripheral circuit, reduces the weight of a PCB (printed Circuit Board) for optical-to-electrical conversion, and saves the cost brought by the conversion chip. The problem of the VR head weight that current split type VR equipment exists big, carry inconvenient and with high costs is solved for equipment portable, reduce cost improve product competitiveness.
In some of these embodiments, the head unit 12 includes an optical lens and an OLED screen, wherein the optical lens selected is Pimax self-developed, which has high definition and a large field angle;
preferably, the OLED screen in the head-mounted unit 12 is connected to the PCB board of the optical-to-electrical converter at one end of the active optical fiber 11, and is configured to receive the MIPI signal transmitted by the active optical fiber 11, and display video information on the screen.
In addition, a power conversion circuit is arranged on the PCB board for photoelectric conversion and is used for providing level conversion for power signals of the OLED screen. Optionally, the photoelectric conversion PCB at one end of the active optical fiber 11 not only converts the optical signal into an electrical signal, but also receives the level conversion function of the power signal required by the OLED screen.
In some of these embodiments, the processor unit 10 performs data processing on the MIPI signal before the processor unit 10 outputs the MIPI signal, where the data processing includes anti-distortion and video decoding. The main function of the processor unit 10 in this embodiment is to provide video data and send the data out through MIPI signals, but before sending, data processing such as anti-distortion or video decoding needs to be performed on the video data, so as to improve the quality of the video data.
In some embodiments, a Type-C interface is disposed on an electrically light-converting PCB board connected to one end of the processor unit 10, and the processor unit 10 is connected to the active optical fiber 11 through the Type-C interface;
preferably, the design of the Type-C interface includes two schemes, the first scheme is to reconfigure the pins of the Type-C interface and transmit the MIPI signal output by the processor unit 10 through the physical connector of the Type-C interface. For example, the 24 pins of the Type-C interface are reconfigured, and the A1-A12 pins are respectively defined as: PWD, DSI0-DN0, DSI0-DP0, DSI0-DN1, DSI0-DP1, DSI0-DN2, DSI0-DP2, DSI0-DN3, DSI0-DP3, DSI0-CN0, DSI0-CP0, GND; the pins B1-B12 are defined as: DSI1-DN0, DSI1-DP0, DSI1-DN1, DSI1-DP1, DSI1-DN2, DSI1-DP2, DSI1-DN3, DSI1-DP3, DSI1-CN0, DSI1-CP0, SDA, SCL.
In addition, the second solution is to provide an interface conversion circuit on the PCB board for converting electric light, and fig. 3 is a schematic diagram of the interface conversion circuit according to an embodiment of the present application, and as shown in fig. 3, the interface conversion circuit uses a bridge chip combination of standard CC controller and DP-MIPI. Optionally, when the Type-C interface on the PCB board for converting light is connected to the processor unit 10, when the signal is accessed, the CC controller pin is used for communication, so as to negotiate to transmit a Display Port signal, and then the Display Port signal is converted into an MIPI signal through the bridge chip for converting the Display Port into the MIPI signal, so as to complete the signal conversion process. The MUX is a switch, and can switch the USB signal to the Display port signal.
In some of these embodiments, the processor unit 10 includes an image processor platform for codec conversion of multiple videos, a wireless transmission module, and a Type-C interface.
Preferably, the image processor platform in this embodiment adopts the currently mainstream SnapDragon XR2 platform, where the platform is loaded with a memory storage combination of 8G/512G, and can support the codec conversion of multiple video formats such as H.265 (HEVC), h.264 (AVC), dolby Vision, HDR10+, HLG, HDR10, VP8, or VP 9. Snapdragon XR2 is the first global XR platform supporting 5G connection, and is integrated with AI technology, so that the system can be used in the fields of Augmented Reality (AR), virtual Reality (VR), mixed Reality (MR) and the like. The SnapDragon XR2 can support seven paths of parallel cameras, is provided with a special processor for computer vision, and can realize real MR user experience by supporting low-delay camera pass-through. In addition, the processor unit 10 further includes a wireless transmission module of BT5.1/wifi6.0, and a general Type-C interface.
The embodiment also provides a data transmission method of the split-type short-focus VR device, and fig. 4 is a flowchart of the data transmission method of the split-type short-focus VR device according to an embodiment of the present application, as shown in fig. 4, where the split-type short-focus VR device includes: the data transmission method comprises the following steps of:
step S401, a processor unit outputs MIPI signals, and the MIPI signals are sent to a head-mounted unit through internal transmission of an active optical fiber;
in step S402, the head unit receives the MIPI signal and displays video information corresponding to the MIPI signal.
Through the steps S401 to S402, the MIPI signal output by the processor unit is transmitted to the head-mounted unit by using the active optical fiber, so that the length of MIPI transmission can be increased, and the reliability of the quality of the transmitted MIPI signal is ensured. The problem of the VR head weight that current split type VR equipment exists big, carry inconvenient and with high costs is solved for equipment portable, reduce cost improve product competitiveness.
It should be noted that the steps illustrated in the above-described flow or flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and that, although a logical order is illustrated in the flow diagrams, in some cases, the steps illustrated or described may be performed in an order other than that illustrated herein.
In addition, in combination with the data transmission method of the split-type short-focus VR device in the above embodiment, the embodiment of the present application may provide a storage medium to be implemented. The storage medium has a computer program stored thereon; the computer program, when executed by a processor, implements a data transmission method for any of the split short-focus VR devices of the embodiments described above.
In one embodiment, a computer device is provided, which may be a terminal. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program, when executed by a processor, implements a method of data transmission for a split short-focus VR device. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
It should be understood by those skilled in the art that the technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, they should be considered as being within the scope of the description provided herein, as long as there is no contradiction between the combinations of the technical features.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (3)
1. A split short-focus VR apparatus, the apparatus comprising: the device comprises a processor unit, an active optical fiber and a head-wearing unit, wherein the head-wearing unit comprises an optical lens and an OLED screen; the processor unit is connected with the head-mounted unit through the active optical fiber, wherein an electric light conversion PCB and an electric light conversion PCB are respectively packaged at two ends of the active optical fiber, the electric light conversion PCB is connected with one end of the processor unit, and the electric light conversion PCB is connected with one end of the head-mounted unit; the processor unit outputs an MIPI signal through the PCB board for electrically converting light, and the MIPI signal is sent to the head-mounted unit through internal transmission of the active optical fiber;
the PCB board for electrically converting light is provided with a Type-C interface, and the processor unit is connected with the active optical fiber through the Type-C interface; an interface conversion circuit is arranged on the PCB of the electric light conversion, and the Type-C interface converts a Display Port signal output by the processor unit into the MIPI signal through the interface conversion circuit and transmits the MIPI signal;
the interface conversion circuit adopts a bridge chip combination of a standard CC controller and DPMIPI; the Type-C interface on the PCB board for converting the electric light is connected with the processor unit, when the electric light is accessed, communication is carried out through the CC controller pin, a Display Port signal is negotiated and transmitted, and the Display Port signal is converted into an MIPI signal through a bridge chip for converting the Display Port into the MIPI signal, so that the signal conversion process is completed; wherein the interface conversion circuit further comprises: the MUX is a change-over switch and is used for switching the USB signal in the interface conversion circuit into a Display port signal;
a power conversion circuit is arranged on the PCB board for photoelectric conversion and is used for providing level conversion for power signals of the OLED screen;
the OLED screen is connected with the PCB board for photoelectric conversion and is used for receiving the MIPI signal transmitted by the active optical fiber and displaying video information;
the processor unit performs data processing on the MIPI signal before the processor unit outputs the MIPI signal, wherein the data processing includes anti-distortion and video decoding.
2. The device of claim 1, wherein the processor unit comprises an image processor platform, a wireless transmission module, and a Type-C interface, wherein the image processor platform is configured to encode and decode a plurality of videos.
3. A method of data transmission for a split short-focus VR device, the device comprising: the device comprises a processor unit, an active optical fiber and a head-wearing unit, wherein the head-wearing unit comprises an optical lens and an OLED screen; one end of the active optical fiber is connected with the processor unit, the other end of the active optical fiber is connected with the head-mounted unit, an electric light conversion PCB and an electric light conversion PCB are respectively packaged at two ends of the active optical fiber, the electric light conversion PCB is connected with one end of the processor unit, and the electric light conversion PCB is connected with one end of the head-mounted unit; the data transmission method comprises the following steps: the processor unit outputs an MIPI signal through the PCB board for electrically converting light, and the MIPI signal is sent to the head-mounted unit through internal transmission of the active optical fiber; the head-mounted unit receives the MIPI signal and displays video information corresponding to the MIPI signal; the PCB board for electrically converting light is provided with a Type-C interface, and the processor unit is connected with the active optical fiber through the Type-C interface; an interface conversion circuit is arranged on the PCB of the electric light conversion, and the Type-C interface converts a Display Port signal output by the processor unit into the MIPI signal through the interface conversion circuit and transmits the MIPI signal;
the interface conversion circuit adopts a bridge chip combination of a standard CC controller and DPMIPI; the Type-C interface on the PCB board for converting the electric light is connected with the processor unit, when the electric light is accessed, communication is carried out through the CC controller pin, a Display Port signal is negotiated and transmitted, and the Display Port signal is converted into an MIPI signal through a bridge chip for converting the Display Port into the MIPI signal, so that the signal conversion process is completed; wherein the interface conversion circuit further comprises: the MUX is a change-over switch and is used for switching the USB signal in the interface conversion circuit into a Display port signal;
a power conversion circuit is arranged on the PCB board for photoelectric conversion and is used for providing level conversion for power signals of the OLED screen;
the OLED screen is connected with the PCB board for photoelectric conversion and is used for receiving the MIPI signal transmitted by the active optical fiber and displaying video information;
the processor unit performs data processing on the MIPI signal before the processor unit outputs the MIPI signal, wherein the data processing includes anti-distortion and video decoding.
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| CN202110354580.4A CN113163191B (en) | 2021-03-30 | 2021-03-30 | Split type short-focus VR equipment |
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| CN202110354580.4A CN113163191B (en) | 2021-03-30 | 2021-03-30 | Split type short-focus VR equipment |
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