CN109240969A - A kind of adapter and display system is worn based on PC - Google Patents
A kind of adapter and display system is worn based on PC Download PDFInfo
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Abstract
本发明公开了一种适配器及基于PC的头戴显示系统，涉及USB接口的技术领域，一种适配器，包括电源输入端、电源输出端、若干适配器USB接口，电源输入端与适配器USB接口之间设有降压控制模块、降压整流模块、直流电压输出模块，适配器USB接口包括用于传输数据的USB主接口及用于传输数据和供电USB从接口；基于PC的头戴显示系统中，适配器的USB主接口连接至计算机的USB接口，适配器的USB从接口连接至头戴显示设备。本发明的适配器能够实现扩大USB接口的最大输出电流/电压/功率和扩展USB接口数量的功能，基于PC的头戴显示系统中外接计算机的头戴显示设备通过使用上述适配器能够实现更多的功能。
The invention discloses an adapter and a PC-based head-mounted display system, and relates to the technical field of USB interfaces. An adapter includes a power input end, a power output end, a plurality of adapter USB interfaces, and a space between the power input end and the adapter USB interface. It is equipped with a step-down control module, a step-down rectifier module, and a DC voltage output module. The adapter USB interface includes a USB master interface for data transmission and a USB slave interface for data transmission and power supply; in a PC-based head-mounted display system, the adapter The USB host interface of the adapter is connected to the USB interface of the computer, and the USB slave interface of the adapter is connected to the head-mounted display device. The adapter of the present invention can realize the functions of expanding the maximum output current/voltage/power of the USB interface and expanding the number of USB interfaces, and the head-mounted display device connected to the computer in the PC-based head-mounted display system can realize more functions by using the above-mentioned adapter .
Description
技术领域technical field
本发明涉及USB接口技术领域，特别涉及一种适配器及基于PC的头戴显示系统。The invention relates to the technical field of USB interfaces, in particular to an adapter and a PC-based head-mounted display system.
背景技术Background technique
USB，是英文Universal Serial Bus(通用串行总线)的缩写，是一个外部总线标准，用于规范电脑与外部设备的连接和通讯，USB接口即插即用和热插拔功能，被广泛地应用于个人电脑和移动设备等信息通讯产品，并扩展至摄影器材、数字电视(机顶盒)、游戏机等其它相关领域，目前，被广泛应用的是USB3.0接口。USB, the abbreviation of Universal Serial Bus (Universal Serial Bus) in English, is an external bus standard used to standardize the connection and communication between computers and external devices. It is used in information communication products such as personal computers and mobile devices, and extends to other related fields such as photographic equipment, digital TV (set-top boxes), game consoles, etc. At present, the USB3.0 interface is widely used.
目前，与笔记本电脑连接使用的外接设备因笔记本电脑USB接口输出电流/电压/功率有限而导致外接设备一些功能的实现受影响，比如外接笔记本电脑的PC类头戴显示设备，由于笔记本电脑的USB接口大多是USB3.0接口，USB3.0接口最大输出电流/电压/功率为900mA/5V/4.5W，为了不超过USB3.0接口的最大输出电流/电压/功率，而不断消减头戴设备需要配合电脑实现的功能以降低电脑USB接口的输出功耗，这就严重影响了配合PC类头戴显示设备更多功能的实现和更好的体验感觉。At present, the implementation of some functions of the external devices connected to the notebook computer is affected due to the limited output current/voltage/power of the USB interface of the notebook computer. Most of the interfaces are USB3.0 interfaces. The maximum output current/voltage/power of the USB3.0 interface is 900mA/5V/4.5W. In order not to exceed the maximum output current/voltage/power of the USB3.0 interface, the need for headsets is constantly reduced. Cooperating with the functions realized by the computer can reduce the output power consumption of the USB interface of the computer, which seriously affects the realization of more functions and a better experience with the PC-type head-mounted display device.
发明内容SUMMARY OF THE INVENTION
针对以上缺陷，本发明的目的是提供一种适配器及基于PC的头戴显示系统，其中，适配器能够实现增大USB接口的输出电流/电压/功率和扩展USB接口的数量的功能，计算机等电子设备可与外接设备通过适配器连接，外接设备不必受该电子设备本身USB接口最大输出电流/电压/功率的限制和数量的限制而影响更多功能的实现。In view of the above defects, the purpose of the present invention is to provide an adapter and a PC-based head-mounted display system, wherein the adapter can realize the functions of increasing the output current/voltage/power of the USB interface and expanding the number of USB interfaces, and electronic devices such as computers The device can be connected with an external device through an adapter, and the external device does not need to be limited by the maximum output current/voltage/power and quantity of the USB interface of the electronic device itself, which affects the realization of more functions.
为了实现上述目的，本发明的技术方案是：In order to achieve the above object, the technical scheme of the present invention is:
一种适配器，包括电源输入端、电源输出端、若干适配器USB接口；其中，An adapter includes a power input end, a power output end, and a plurality of adapter USB interfaces; wherein,
所述电源输入端与所述适配器USB接口之间设有降压控制模块、降压整流模块、直流电压输出模块；A step-down control module, a step-down rectifier module and a DC voltage output module are arranged between the power input end and the adapter USB interface;
所述适配器USB接口包括用于传输数据的USB主接口及用于传输数据和供电的USB从接口。The adapter USB interface includes a USB master interface for data transmission and a USB slave interface for data transmission and power supply.
优选地，所述USB主接口与所述USB从接口之间设有数据处理芯片。Preferably, a data processing chip is arranged between the USB master interface and the USB slave interface.
优选地，所述USB主接口与所述USB从接口电连接。Preferably, the USB master interface is electrically connected to the USB slave interface.
优选地，所述电源输入端与所述电源输出端电连接。Preferably, the power input terminal is electrically connected to the power output terminal.
优选地，所述适配器包括两个或者两个以上所述USB从接口。Preferably, the adapter includes two or more of the USB slave interfaces.
基于PC的头戴显示系统，包括头戴显示设备、计算机、与计算机对应的电源适配器以及上述适配器；其中，A PC-based head-mounted display system includes a head-mounted display device, a computer, a power adapter corresponding to the computer, and the above-mentioned adapter; wherein,
所述电源适配器的输出端与所述适配器的电源输入端连接；The output end of the power adapter is connected with the power input end of the adapter;
所述适配器的电源输出端与所述计算机的电源插口连接；The power output end of the adapter is connected with the power socket of the computer;
所述适配器的USB主接口连接至所述计算机的USB接口，所述适配器的USB从接口连接至所述头戴显示设备。The USB host interface of the adapter is connected to the USB interface of the computer, and the USB slave interface of the adapter is connected to the head mounted display device.
优选地，所述头戴显示设备与所述计算机通过HDMI线和/或DP线连接。Preferably, the head-mounted display device and the computer are connected through an HDMI cable and/or a DP cable.
采用了上述技术方案后，本发明的有益效果是：After adopting the above-mentioned technical scheme, the beneficial effects of the present invention are:
由于本发明的一种适配器，包括电源输入端、电源输出端、若干适配器USB接口；外部电源通过电源输入端输入，输入的电源可以给适配器USB接口供电，电源输入端与适配器USB接口之间设有降压控制模块、降压整流模块、直流电压输出模块，对输入的电进行降压、整流处理，根据不同适配器USB接口的充电需求进行调整以满足适配器USB接口输出的需要，即可以调整各个适配器USB接口的输出电流和输出电压；适配器的电源输出端可对需要扩展USB接口的电子设备进行供电；若干适配器USB接口包括用于传输数据的USB主接口及用于传输数据和供电的USB从接口，USB主接口可与需要扩展USB接口的电子设备上的USB接口连接进行传输数据，USB主接口将信息传送给相应的USB从接口，可以传给一个USB从接口也可以传送给多个USB从接口，USB从接口对外传输相应的数据信息，USB从接口也可以对外充电；本发明的适配器可以实现增大USB接口输出电流/电压/功率和扩展USB接口数量的功能。Because an adapter of the present invention includes a power input end, a power output end, and a plurality of adapter USB interfaces; the external power is input through the power input end, and the input power can supply power to the adapter USB interface, and a device is provided between the power input end and the adapter USB interface. There are a step-down control module, a step-down rectifier module, and a DC voltage output module, which can step-down and rectify the input power, and adjust according to the charging requirements of different adapter USB interfaces to meet the needs of the adapter USB interface output, that is, each can be adjusted. The output current and output voltage of the USB interface of the adapter; the power output end of the adapter can supply power to the electronic equipment that needs to expand the USB interface; several USB interfaces of the adapter include a USB master interface for data transmission and a USB slave for data transmission and power supply. The USB master interface can be connected to the USB interface on the electronic device that needs to expand the USB interface to transmit data. The USB master interface transmits information to the corresponding USB slave interface, which can be transmitted to one USB slave interface or to multiple USB interfaces. From the interface, the USB slave interface transmits corresponding data information to the outside, and the USB slave interface can also charge externally; the adapter of the present invention can realize the functions of increasing the output current/voltage/power of the USB interface and expanding the number of USB interfaces.
本发明的基于PC的头戴显示系统，包括头戴显示设备、计算机、与计算机对应的电源适配器以及上述适配器；其中，电源适配器的输出端与适配器的电源输入端连接，由电源适配器对上述适配器进行供电；适配器的电源输出端与计算机的电源插口连接对计算机进行供电；适配器的USB主接口连接至计算机的USB接口，适配器的USB从接口连接至头戴显示设备。由于USB从接口有两个或两个以上、且每个USB从接口的最大输出电流值可比计算机的USB接口的最大输出电流值大，每个USB从接口都可以将计算机的相关信息在适配器与头戴显示设备之间进行传输，适配器实现了扩展计算机USB接口的功能，头戴显示设备不必受计算机本身USB接口的最大输出电流/电压/功率的限制和USB接口数量的限制减少部分功能以降低功耗，通过适配器配合计算机可实现更多的功能、带来更好的体验感觉。The PC-based head-mounted display system of the present invention includes a head-mounted display device, a computer, a power adapter corresponding to the computer, and the above-mentioned adapter; wherein, the output end of the power adapter is connected with the power input end of the adapter, and the above-mentioned adapter is connected by the power adapter. Power supply; the power output end of the adapter is connected to the power socket of the computer to supply power to the computer; the USB master interface of the adapter is connected to the USB interface of the computer, and the USB slave interface of the adapter is connected to the head-mounted display device. Since there are two or more USB slave interfaces, and the maximum output current value of each USB slave interface can be larger than the maximum output current value of the computer's USB interface, each USB slave interface can transfer the relevant information of the computer between the adapter and the computer. For transmission between head-mounted display devices, the adapter realizes the function of expanding the USB interface of the computer. The head-mounted display device does not have to be limited by the maximum output current/voltage/power of the USB interface of the computer itself and the limitation of the number of USB interfaces. Reduce some functions to reduce Power consumption, through the adapter with the computer can achieve more functions and bring a better experience.
综上所述，本发明的适配器能够实现扩展USB接口的功能，使得计算机等电子设备可与外接设备通过适配器连接，外接设备不必受计算机等电子设备本身USB接口最大输出电流/电压/功率的限制和USB接口数量的限制，可与适配器上的一个或多个USB从接口连接，USB从接口的最大输出电流/电压/功率比计算机等电子设备本身USB接口的最大输出电流/电压/功率大，使得外接设备能够实现更多的功能；基于PC的头戴显示系统中外接计算机的头戴显示设备通过使用上述适配器能够不受计算机本身USB接口最大输出电流/电压/功率的限制和数量的限制实现更多的功能。To sum up, the adapter of the present invention can realize the function of extending the USB interface, so that electronic devices such as computers can be connected with external devices through the adapter, and the external devices do not need to be limited by the maximum output current/voltage/power of the USB interface of the electronic device itself, such as the computer. And the limitation of the number of USB interfaces, it can be connected with one or more USB slave interfaces on the adapter. The maximum output current/voltage/power of the USB slave interface is larger than the maximum output current/voltage/power of the USB interface of the computer and other electronic equipment itself. Enables the external device to achieve more functions; in the PC-based head-mounted display system, the head-mounted display device connected to the computer can be realized without the limitation of the maximum output current/voltage/power and the quantity of the USB interface of the computer itself by using the above-mentioned adapter. more functions.
附图说明Description of drawings
图1为本发明一种适配器的原理框图；Fig. 1 is the principle block diagram of a kind of adapter of the present invention;
图2为本发明基于PC的头戴显示系统的原理框图。FIG. 2 is a schematic block diagram of the PC-based head-mounted display system of the present invention.
具体实施方式Detailed ways
下面结合附图和实施例，进一步阐述本发明。The present invention will be further described below with reference to the accompanying drawings and embodiments.
如图1所示，本发明一些实施例提供一种适配器，包括电源输入端、电源输出端、若干适配器USB接口，本实施例的适配器USB接口有四个，分别是USB1接口、USB2接口、USB3接口、USB4接口。As shown in FIG. 1 , some embodiments of the present invention provide an adapter, which includes a power input end, a power output end, and a plurality of adapter USB interfaces. There are four USB interfaces of the adapter in this embodiment, which are a USB1 interface, a USB2 interface, and a USB3 interface. interface, USB4 interface.
如图1所示，本实施例的电源输入端与电源输出端电连接，电源输出端可对外直接供电，外部电源通过电源输入端输入，电源输入端与四个适配器USB接口之间设有降压控制模块、降压整流模块、直流电压输出模块，对输入的电进行降压、整流处理，直流电压输出模块根据不同适配器USB接口的充电需求进行调整以满足后续适配器USB接口输出的需要，即可以调整各个适配器USB接口的输出电流和输出电压。适配器的电源输出端可对需要扩展USB接口的电子设备进行供电。As shown in FIG. 1 , the power input terminal of this embodiment is electrically connected to the power output terminal, the power output terminal can directly supply power to the outside, and the external power is input through the power input terminal. The voltage control module, the step-down rectifier module, and the DC voltage output module are used to step down and rectify the input electricity. The DC voltage output module is adjusted according to the charging requirements of the USB ports of different adapters to meet the output needs of the subsequent adapter USB ports, that is, The output current and output voltage of each adapter's USB interface can be adjusted. The power output terminal of the adapter can supply power to electronic devices that need to expand the USB interface.
如图1所示，若干适配器USB接口包括用于传输数据的USB主接口及用于传输数据和供电的USB从接口，USB从接口有两个或两个以上，本实施例中，USB1接口为USB主接口，USB2接口、USB3接口、USB4接口为USB从接口，USB1接口与需要外接设备的计算机等电子设备的USB接口连接，USB2接口、USB3接口、USB4接口与外接设备连接，USB1接口可获取计算机的相关数据信息，USB1接口可分别与USB2接口、USB3接口、USB4接口电连接，优选USB1接口与USB2接口、USB3接口、USB4接口之间设置数据处理芯片，数据处理芯片将USB1接口接收的信息进行解析整合，再发送指令给USB2接口、USB3接口、USB4接口，USB2接口、USB3接口、USB4接口都可以将计算机的相关信息在传输给外接设备，USB2接口、USB3接口、USB4接口也可以对外接设备进行供电。当然USB主接口可以是一个或一个以上，其中每个USB主接口与之相配合的USB从接口分别电连接或通过数据处理芯片连接。As shown in FIG. 1 , several adapter USB interfaces include a USB master interface for data transmission and a USB slave interface for data transmission and power supply. There are two or more USB slave interfaces. In this embodiment, the USB1 interface is USB master interface, USB2 interface, USB3 interface, and USB4 interface are USB slave interfaces. The relevant data information of the computer, the USB1 interface can be electrically connected with the USB2 interface, the USB3 interface, and the USB4 interface, preferably a data processing chip is provided between the USB1 interface and the USB2 interface, the USB3 interface, and the USB4 interface, and the data processing chip uses the information received by the USB1 interface. Perform analysis and integration, and then send commands to the USB2 interface, USB3 interface, and USB4 interface. The USB2 interface, USB3 interface, and USB4 interface can all transmit the relevant information of the computer to the external device. The USB2 interface, USB3 interface, and USB4 interface can also be connected to external devices. The device is powered. Of course, there may be one or more than one USB master interface, wherein the USB slave interface matched with each USB master interface is electrically connected respectively or connected through a data processing chip.
综上所述，本发明的一种适配器，适配器的USB主接口与计算机等电子设备的USB接口连接，外接计算机的外接设备可与适配器上的一个或多个USB从接口连接，USB从接口的最大输出电流/电压/功率比计算机等电子设备本身USB接口的最大输出电流/电压/功率大，计算机等电子设备可与多个外接设备连接，且外接设备不必受该电子设备本身USB接口最大输出电流/电压/功率的限制和USB接口数量的限制，能够实现更多的功能。To sum up, in an adapter of the present invention, the USB main interface of the adapter is connected to the USB interface of an electronic device such as a computer, and the external device of an external computer can be connected to one or more USB slave interfaces on the adapter. The maximum output current/voltage/power is larger than the maximum output current/voltage/power of the USB interface of the computer and other electronic devices. Electronic devices such as computers can be connected to multiple external devices, and the external devices are not subject to the maximum output of the USB interface of the electronic device itself. The limitation of current/voltage/power and the limitation of the number of USB interfaces can realize more functions.
另外，如图2所示，本发明一些实施例还提供一种基于PC的头戴显示系统，包括头戴显示设备、计算机、与计算机对应的电源适配器以及上述的适配器。本实施例中的头戴显示设备相当于上述实施例中的外设设备。In addition, as shown in FIG. 2 , some embodiments of the present invention further provide a PC-based head-mounted display system, including a head-mounted display device, a computer, a power adapter corresponding to the computer, and the above-mentioned adapter. The head-mounted display device in this embodiment is equivalent to the peripheral device in the above-mentioned embodiment.
如图2所示，电源适配器的输出端与适配器的电源输入端连接，电源适配器对适配器进行供电，计算机的电源插口与适配器的电源输出端连接，适配器对计算机进行供电。As shown in Figure 2, the output end of the power adapter is connected to the power input end of the adapter, the power adapter supplies power to the adapter, the power socket of the computer is connected to the power output end of the adapter, and the adapter supplies power to the computer.
如图2所示，适配器USB接口中，USB1接口为USB主接口，USB2接口、USB3接口、USB4接口为USB从接口，USB1接口与计算机的USB接口电连接，USB2接口与头戴显示设备电连接，通过适配器中降压控制模块、降压整流模块、直流电压输出模块的整流、降压的处理，调节适配器的USB从接口的最大输出电流/电压/功率比计算机的USB接口的最大输出电流/电压/功率大，适配器的USB1接口与计算机的USB接口连接进行数据传输，USB1接口可获取计算机的相关信息传送给USB2接口，USB2接口将相应指令传送给头戴显示设备以实现相应的功能，当然，头戴显示设备可与适配器的多个USB从接口同时连接，未与头戴显示设备连接的USB从接口可与其他外接设备连接。As shown in Figure 2, in the USB interface of the adapter, the USB1 interface is the USB master interface, the USB2 interface, the USB3 interface, and the USB4 interface are the USB slave interfaces, the USB1 interface is electrically connected to the USB interface of the computer, and the USB2 interface is electrically connected to the head-mounted display device. , adjust the maximum output current/voltage/power ratio of the USB slave interface of the adapter to the maximum output current/ The voltage/power is high. The USB1 interface of the adapter is connected to the USB interface of the computer for data transmission. The USB1 interface can obtain the relevant information of the computer and transmit it to the USB2 interface. The USB2 interface transmits the corresponding instructions to the head-mounted display device to realize the corresponding function. Of course, , the head-mounted display device can be connected to multiple USB slave interfaces of the adapter at the same time, and the USB slave interface that is not connected to the head-mounted display device can be connected to other external devices.
如图2所示，头戴显示设备可依靠USB从接口进行充电，本实施例中，头戴显示设备可依靠USB2接口进行充电。As shown in FIG. 2 , the head-mounted display device can be charged by the USB slave interface. In this embodiment, the head-mounted display device can be charged by the USB2 interface.
如图2所示，头戴显示设备和计算机设有DP接口和/或HMDI接口；DP接口即DisplayPort也是一种高清数字显示接口标准，可以连接电脑和显示器，也可以连接连接电脑和家庭影院，允许音频与视频信号共用一条线缆传输，支持多种高质量数字音频。HMDI接口即High Definition Multimedia Interface Port的缩写，是高清晰度多媒体接口，是一种数字化视频/音频接口技术，适合影像传输的专用型数字化接口，可同时传送音频和影像信号；戴显示设备的DP接口和/或HMDI接口与计算机的DP接口和/或HMDI接口通过DP线和/或HDMI线对应连接，头戴显示设备和计算机之间通过DP接口和/或HMDI接口的连接传输视频、音频等信息。As shown in Figure 2, the head-mounted display device and the computer are provided with a DP interface and/or an HMDI interface; the DP interface, namely DisplayPort, is also a high-definition digital display interface standard, which can be connected to a computer and a monitor, and can also be connected to a computer and a home theater. Allows audio and video signals to share a cable transmission, supports a variety of high-quality digital audio. HMDI interface is the abbreviation of High Definition Multimedia Interface Port. It is a high-definition multimedia interface. It is a digital video/audio interface technology. It is a dedicated digital interface suitable for image transmission. It can transmit audio and video signals at the same time; The interface and/or HMDI interface and the DP interface and/or HMDI interface of the computer are correspondingly connected through a DP cable and/or an HDMI cable, and video, audio, etc. are transmitted between the head-mounted display device and the computer through the connection of the DP interface and/or the HMDI interface. information.
如图2所示，USB2接口、USB3接口、USB4接口还可以同时与游戏机等其他外接设备连接，实现外接设备需要配合计算机完成的特定功能。As shown in Figure 2, the USB2 interface, the USB3 interface, and the USB4 interface can also be connected with other external devices such as game consoles at the same time, so as to realize specific functions that the external devices need to cooperate with the computer.
综上所述，基于PC的头戴显示系统中，由于连接计算机与头戴显示设备的适配器的USB主接口与计算机的USB接口连接进行数据的传输，USB从接口有两个或两个以上、且每个USB从接口的最大输出电流值可比计算机的USB接口的最大输出电流值大，每个USB从接口都可以将计算机的信息传送给头戴显示设备并为头戴显示设备充电，适配器实现了扩展计算机USB接口的功能，头戴显示设备不必受计算机本身USB接口的最大输出电流/电压/功率的限制和USB接口数量的限制，配合计算机可实现更多的功能、为使用者带来更好的体验感觉。To sum up, in the PC-based head-mounted display system, since the USB host interface of the adapter connecting the computer and the head-mounted display device is connected with the USB interface of the computer for data transmission, the USB slave interface has two or more, And the maximum output current value of each USB slave interface can be larger than the maximum output current value of the USB interface of the computer. Each USB slave interface can transmit the information of the computer to the head-mounted display device and charge the head-mounted display device. The adapter realizes In order to expand the function of the USB interface of the computer, the head-mounted display device does not need to be limited by the maximum output current/voltage/power of the USB interface of the computer itself and the limitation of the number of USB interfaces. Good experience feeling.
本发明不局限于上述具体的实施方式，本领域的普通技术人员从上述构思出发，不经过创造性的劳动，所做出的种种变换，均落在本发明的保护范围之内。The present invention is not limited to the above-mentioned specific embodiments, and various transformations made by those of ordinary skill in the art from the above-mentioned concept without creative work all fall within the protection scope of the present invention.
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