WO2018049770A1 - Usb peripheral device - Google Patents

Usb peripheral device Download PDF

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Publication number
WO2018049770A1
WO2018049770A1 PCT/CN2016/113830 CN2016113830W WO2018049770A1 WO 2018049770 A1 WO2018049770 A1 WO 2018049770A1 CN 2016113830 W CN2016113830 W CN 2016113830W WO 2018049770 A1 WO2018049770 A1 WO 2018049770A1
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Prior art keywords
usb
port
output port
downstream
upstream
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PCT/CN2016/113830
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French (fr)
Chinese (zh)
Inventor
王俊凯
刘伟
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广州视睿电子科技有限公司
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Publication of WO2018049770A1 publication Critical patent/WO2018049770A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure

Definitions

  • the utility model relates to the field of universal serial bus, in particular to a USB peripheral device.
  • USB Universal Serial Bus
  • USB technology applications are now common, especially USB3.0 and above.
  • a higher data transfer rate is achieved, for example, video data of higher resolution and higher frame rate can be transmitted.
  • peripheral devices with USB transmission capability that need to transmit images and videos are also increasingly perfect, such as video booths and high-stakes instruments.
  • the video booth, the Gao Paiyi, and the like cannot directly transmit extended function data such as human-computer interaction data, so if the data of these peripheral devices is to be operated, for example, the teacher is to project the projection process.
  • the video can be enlarged or reduced only by operating the upstream device connected to the video booth, such as a tablet or a computer, but not directly on the video booth, which can cause operational troubles.
  • the utility model aims to provide a USB peripheral device capable of transmitting human-computer interaction data and transmitting signals operated by a user on a USB peripheral device to an upstream device, thereby overcoming the direct operation of the peripheral device on the peripheral device. A problem that causes trouble in operation.
  • the present invention provides a USB peripheral device, including a human-machine interaction input device, a USB downstream device, a USB control chip, and a USB output interface;
  • the human-machine interaction input device includes a signal output port
  • the USB downstream device includes a USB 2.0 output port
  • the USB control chip includes a first downstream port, a second downstream port, and a first upstream port;
  • the USB output interface includes a USB2.0 data upstream output port
  • the first downstream port of the USB control chip is connected to the signal output port of the human-machine interaction input device, and the second downstream port is connected to the USB2.0 output port of the USB downstream device,
  • the first upstream port is connected to the USB2.0 data upstream output port of the USB output interface.
  • the utility model adds a human-computer interaction input device, and the USB control chip is connected between the signal output port of the human-computer interaction input device and the USB output interface, and the human-computer interaction input device is realized because the USB control chip has the function of extending the transfer.
  • the data with the USB downstream device can be transmitted to the upstream device, so the user can operate directly on the peripheral device, avoiding the trouble of operating the upstream host device when using the peripheral device.
  • the USB downstream device is a USB 2.0 device; the USB output interface is a USB 2.0 output interface.
  • the USB downstream device is a USB 3.0 device; the USB downstream device further includes an SSTX output port and an SSRX output port;
  • the USB output interface is a USB3.0 output interface; the USB output interface further includes an SSTX data upstream output port and an SSRX data upstream output port;
  • the SSTX output port is connected to the SSTX data upstream output port, and the SSRX output port is connected to the SSRX data upstream output port.
  • USB control chip is a USB 2.0 control chip.
  • USB2.0 control chip can simultaneously satisfy the function of the USB3.0 transmission system and the transmission of human-computer interaction signals.
  • the human-computer interaction input device is connected to the USB2.0 control chip through the signal output port for transfer, and the SSTX output port and the SSRX output port of the USB3.0 device are directly connected to the USB3.0 output interface. Since the transmission of human-computer interaction data is only required to be realized at the full speed or high speed state of D+/D-data transmission of USB2.0, the transmission rate requirement is not high, so the signal transmission port outputs USB2.0 data, and adopts The control chip for transferring USB2.0 data is very cost-effective. Compared with the USB3.0 control chip directly connected between the USB3.0 downstream device and the USB3.0 output interface, this solution can realize the maximum utilization of USB resources and reduce the cost.
  • the human-machine interaction input device includes a user input unit and a micro control unit; the user input unit includes a touch panel and an information output port, and the micro control unit includes an information input port and a processing output port;
  • the information output port is connected to the information input port, and the processing output port is connected to the signal output port of the human-machine interaction input device.
  • the USB peripheral device is a video booth.
  • the USB peripheral device is a high-altitude meter.
  • Embodiment 1 is a schematic diagram of Embodiment 1 of a USB peripheral device provided by the present invention.
  • Embodiment 2 is a schematic diagram of Embodiment 2 of a USB peripheral device provided by the present invention.
  • FIG. 3 is a schematic diagram of a third embodiment of a USB peripheral device provided by the present invention.
  • Embodiment 1 is a schematic diagram of Embodiment 1 of a USB peripheral device provided by the present invention.
  • the USB peripheral device includes: a human-machine interaction input device 10, a USB downstream device, a USB control chip, and a USB output interface;
  • the human-machine interaction input device includes a signal output port
  • the USB downstream device includes a USB 2.0 output port
  • the USB control chip includes a first downstream port, a second downstream port, and a first upstream port;
  • the USB output interface includes a USB2.0 data upstream output port
  • the first downstream port of the USB control chip is connected to the signal output port of the human-machine interaction input device, and the second downstream port is connected to the USB2.0 output port of the USB downstream device,
  • the first upstream port is connected to the USB2.0 data upstream output port of the USB output interface.
  • the USB downstream device is a USB 2.0 device 20
  • the USB output interface is a USB 2.0 output interface 40
  • the USB control chip is a USB 2.0 control chip 30.
  • a human-machine interaction input device and a USB2.0 control chip are added to the existing USB peripheral device, and the USB control 2.0 control chip 30 is connected to the signal output port of the human-machine interaction input device 10 and the USB2.0 output.
  • the human-machine interaction input device 10 outputs a D+/D-signal
  • the USB2.0 control chip 30 has an extended transfer function, that is, the USB2.0 control chip 30 can obtain two downstream ports.
  • the signal is transferred to the first upstream port output to the USB 2.0 output interface. Therefore, the signal input by the user through the human-machine interaction input device can be transmitted to the upstream device, and the user can directly operate on the peripheral device, thereby avoiding the trouble of operating the upstream host device when using the peripheral device.
  • the human-machine interaction input device 10 including the signal output port refers to a device capable of converting the content input by the human-machine interaction into USB data output, and those skilled in the art can recognize the human-computer interaction input including the signal output port.
  • the device 10 should include a user input unit and a micro control unit (ie, an MCU), wherein the user can be a user input unit that can input user operation information, such as a keyboard, a touch pad, or a mouse, and the micro control unit inputs the user through the user input unit. The information is controlled and processed and output as USB data.
  • the human-machine interaction input device 10 includes a user input unit and a micro-control unit; the user input unit includes a touch panel and an information output port, and the micro-control unit includes information input a port and a processing output port; the information output port is connected to the information input port, and the processing output port is connected to the signal output port of the human-machine interactive input device.
  • This preferred embodiment employs a touchpad as the user input unit, which is very useful in the case where the USB peripheral device is a high-altitude or video booth. Because the Gao Paiyi or video booth is to convert the physical content into an electronic format such as a picture or video, it is convenient to use the touchpad to operate the contents of these electronic formats, such as zooming in or out.
  • Embodiment 2 is a schematic diagram of Embodiment 2 of a USB peripheral device provided by the present invention.
  • the USB peripheral device includes: a human-machine interaction input device 10, a USB3.0 device 21, a USB3.0 control chip 31, and a USB 3.0 output interface 41;
  • the human-machine interaction input device includes a signal output port
  • the USB 3.0 device 21 includes a USB 2.0 output port, an SSTX output port, and an SSRX output port;
  • the USB3.0 control chip includes a first downstream port, a second downstream port, an SSTX downstream port, an SSRX downstream port and a first upstream port, an SSTX upstream port, and an SSRX upstream port;
  • the USB3.0 output interface includes a USB2.0 data upstream output port, an SSTX data upstream output port, and an SSRX data upstream output port;
  • the first downstream port of the USB3.0 control chip 31 is connected to the signal output port of the human-machine interaction input device 10, and the second downstream port is connected to the USB2.0 output of the USB3.0 device 21.
  • a port the SSTX downstream port is connected to the SSTX output port of the USB3.0 device 21, the SSRX downstream port is connected to the SSRX output port of the USB3.0 device 21, and the first upstream port is connected to the USB3.0
  • the USB2.0 data upstream output port of the output interface 41, the SSTX upstream port is connected to the SSTX data upstream output port, and the SSRX upstream port is connected to the SSRX data upstream output port.
  • the USB3.0 device and the USB3.0 output interface add two sets of differential data of SSTX and SSRX on the basis of USB2.0 data (ie D+/D-data), which can achieve greater data transmission. rate.
  • the USB3.0 device transmits data to the upstream device with USB3.0 upstream transmission capability through the USB3.0 output interface, the data transmission rate can reach 10 times or more of the rate of data transmission only by USB2.0.
  • the USB3.0 control chip 31 can be adopted.
  • the USB3.0 control chip 31 has a plurality of USB3.0 downstream ports, and the USB3.0 control chip 31 is connected to the signal output port of the human-machine interaction device 10 and Between the USB3.0 output interfaces 41, the signals output by the human-machine interaction device 10 can be transmitted to the upstream device by the USB3.0 standard, which is very efficient.
  • the USB3.0 control chip is connected between the USB3.0 device 21 and the USB3.0 output interface, so that the data output by the USB3.0 device can also be marked with USB3.0. Transfer to the upstream device.
  • the setting of the human-machine interaction input device of this embodiment is the same as that of the previous embodiment. I will not repeat them here.
  • Embodiment 3 is a schematic diagram of Embodiment 3 of the USB peripheral device provided by the present invention.
  • the USB peripheral device includes: a human-machine interaction input device 10, a USB 3.0 device 21, a USB 2.0 control chip 30, and a USB 3.0 output interface 41;
  • the human-machine interaction input device includes a signal output port
  • the USB 3.0 device 21 includes a USB 2.0 output port, an SSTX output port, and an SSRX output port;
  • the USB2.0 control chip 30 includes a first downstream port, a second downstream port, and a first upstream port;
  • the USB3.0 output interface 41 includes a USB2.0 data upstream output port, an SSTX data upstream output port, and an SSRX data upstream output port;
  • the first downstream port of the USB2.0 control chip 30 is connected to the signal output port of the human-machine interaction input device 10, and the second downstream port is connected to the USB2.0 output of the USB3.0 device 21.
  • a port, the first upstream port is connected to the USB2.0 data upstream output port of the USB3.0 output interface 41, and the SSTX output port of the USB3.0 device 21 is connected to the SSTX of the USB3.0 output interface 41.
  • the data upstream output port, the SSRX output port of the USB 3.0 device 21 is connected to the SSRX data upstream output port of the USB3.0 output interface 41.
  • This embodiment provides a scheme for simultaneously satisfying the function of the USB 3.0 transmission system and the signal transmission of human-computer interaction by using only the USB 2.0 control chip.
  • the upstream device connected to the USB3.0 output interface 41 is a USB 2.0 device
  • the downstream USB 3.0 device 21 is connected to the USB 2.0 control chip 30 via the USB 2.0 output port (ie, D+/D-pin) for signal.
  • human-computer interaction input device outputs D+/D- signal through signal output port, and connects to USB2.0 control chip 30 for switching; when the upstream device connected to USB3.0 output interface 41 is USB3.0 device, due to SSTX
  • the output port and SSRX output port are directly connected to the USB3.0 output interface to transmit SSTX data and SSRX data, so the downstream USB3.0 device 21 data is transmitted on the USB3.0 channel of SSTX and SSRX, and the human-machine interactive input device passes the signal output port.
  • the output D+/D- signal is connected to the USB2.0 control chip for switching.
  • the setting of the human-machine interaction input device of this embodiment is the same as that of the previous embodiment. I will not repeat them here.
  • the utility model adds a human-computer interaction input device, and the USB control chip is connected between the signal output port of the human-computer interaction input device and the USB output interface, and the human-computer interaction input device is realized because the USB control chip has the function of extending the transfer.
  • the data with the USB downstream device can be transmitted to the upstream device, so the user can directly operate on the peripheral device, avoiding It is not necessary to operate the upstream host device when using the peripheral device.

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Abstract

A USB peripheral device, comprising: a human-computer interaction input apparatus (10); a USB downstream apparatus (20, 21); a USB control chip (30); and a USB output interface (40, 41). The human-computer interaction input apparatus (10) comprises a signal output port. The USB downstream apparatus (20, 21) comprises a USB 2.0 output port. The USB control chip (30) comprises a first downstream port, a second downstream port and a first upstream port. The USB output interface (40, 41) comprises a USB 2.0 data upstream output port. In the USB control chip (30), the first downstream port is connected to the signal output port, the second downstream port is connected to the USB 2.0 output port, and the first upstream port is connected to the USB 2.0 data upstream output port. By using the USB peripheral device, a signal inputted by a user via the human-computer interaction input apparatus (10) can be transmitted to an upstream device, thus enabling the user to operate directly on the peripheral device, and avoiding the inconvenience of needing to operate an upstream host apparatus when using the peripheral device.

Description

一种USB外围装置USB peripheral device 技术领域Technical field
本实用新型涉及通用串行总线领域，具体地，涉及一种USB外围装置。The utility model relates to the field of universal serial bus, in particular to a USB peripheral device.
背景技术Background technique
USB(Universal Serial Bus，通用串行总线)是连接计算机系统与外部设备的一种串口总线标准，也是一种输入输出接口的技术规范，USB技术应用目前已普遍存在，尤其USB3.0及以上标准实现了更高的数据传输速率，例如可以传输更高分辨率及更高帧率的视频数据。USB (Universal Serial Bus) is a serial bus standard for connecting computer systems and external devices. It is also a technical specification for input and output interfaces. USB technology applications are now common, especially USB3.0 and above. A higher data transfer rate is achieved, for example, video data of higher resolution and higher frame rate can be transmitted.
得益于USB技术的快速发展，一些需要传输图像、视频的具备USB传输能力的外围装置的功能也日益完善，比如视频展台、高拍仪等。但现有技术中，视频展台、高拍仪等不能直接传输人机交互数据等扩展功能数据，因此如果要对这些外围装置的数据进行操作，比如教师在展示实验过程时，要对投影出来的视频进行放大或缩小操作，只能通过操作视频展台所连接的上游设备——平板或电脑等主机实现，而不能直接在视频展台上操作，这样会导致操作上的麻烦。Thanks to the rapid development of USB technology, some peripheral devices with USB transmission capability that need to transmit images and videos are also increasingly perfect, such as video booths and high-stakes instruments. However, in the prior art, the video booth, the Gao Paiyi, and the like cannot directly transmit extended function data such as human-computer interaction data, so if the data of these peripheral devices is to be operated, for example, the teacher is to project the projection process. The video can be enlarged or reduced only by operating the upstream device connected to the video booth, such as a tablet or a computer, but not directly on the video booth, which can cause operational troubles.
实用新型内容Utility model content
本实用新型的目的在于提供一种USB外围装置，能传输人机交互数据，将用户在USB外围装置上操作的信号，传输给上游设备，克服了现有技术中不能在外围装置上直接操作，导致操作麻烦的问题。The utility model aims to provide a USB peripheral device capable of transmitting human-computer interaction data and transmitting signals operated by a user on a USB peripheral device to an upstream device, thereby overcoming the direct operation of the peripheral device on the peripheral device. A problem that causes trouble in operation.
为了实现上述目的本实用新型提供一种USB外围装置，包括人机交互输入设备、USB下游设备、USB控制芯片和USB输出接口；In order to achieve the above object, the present invention provides a USB peripheral device, including a human-machine interaction input device, a USB downstream device, a USB control chip, and a USB output interface;
所述人机交互输入设备包括信号输出端口；The human-machine interaction input device includes a signal output port;
所述USB下游设备包括USB2.0输出端口；The USB downstream device includes a USB 2.0 output port;
所述USB控制芯片包括第一下游端口、第二下游端口和第一上游端口；The USB control chip includes a first downstream port, a second downstream port, and a first upstream port;
所述USB输出接口包括USB2.0数据上游输出端口；The USB output interface includes a USB2.0 data upstream output port;
所述USB控制芯片的所述第一下游端口连接所述人机交互输入设备的所述信号输出端口，所述第二下游端口连接所述USB下游设备的所述USB2.0输出端口，所述第一上游端口连接所述USB输出接口的所述USB2.0数据上游输出端口。 The first downstream port of the USB control chip is connected to the signal output port of the human-machine interaction input device, and the second downstream port is connected to the USB2.0 output port of the USB downstream device, The first upstream port is connected to the USB2.0 data upstream output port of the USB output interface.
实施本实用新型，具有如下有益效果：The implementation of the utility model has the following beneficial effects:
本实用新型增加了人机交互输入设备，将USB控制芯片接入人机交互输入设备的信号输出端口与USB输出接口之间，由于USB控制芯片具有扩展转接的功能，使人机交互输入设备与USB下游设备的数据都能传输到上游设备，因此用户能直接在外围装置进行操作，避免在使用外围装置时又需要操作上游主机设备的麻烦。The utility model adds a human-computer interaction input device, and the USB control chip is connected between the signal output port of the human-computer interaction input device and the USB output interface, and the human-computer interaction input device is realized because the USB control chip has the function of extending the transfer. The data with the USB downstream device can be transmitted to the upstream device, so the user can operate directly on the peripheral device, avoiding the trouble of operating the upstream host device when using the peripheral device.
在其中一个实施例中，所述USB下游设备为USB2.0设备；所述USB输出接口为USB2.0输出接口。In one embodiment, the USB downstream device is a USB 2.0 device; the USB output interface is a USB 2.0 output interface.
在另一个实施例中，所述USB下游设备为USB3.0设备；所述USB下游设备还包括SSTX输出端口和SSRX输出端口；In another embodiment, the USB downstream device is a USB 3.0 device; the USB downstream device further includes an SSTX output port and an SSRX output port;
所述USB输出接口为USB3.0输出接口；所述USB输出接口还包括SSTX数据上游输出端口和SSRX数据上游输出端口；The USB output interface is a USB3.0 output interface; the USB output interface further includes an SSTX data upstream output port and an SSRX data upstream output port;
所述SSTX输出端口连接所述SSTX数据上游输出端口，所述SSRX输出端口连接所述SSRX数据上游输出端口。The SSTX output port is connected to the SSTX data upstream output port, and the SSRX output port is connected to the SSRX data upstream output port.
进一步地，所述USB控制芯片为USB2.0控制芯片。Further, the USB control chip is a USB 2.0 control chip.
进一步方案中，仅用USB2.0控制芯片，就能同时满足USB3.0传输系统的功能及人机交互信号的传输。人机交互输入设备通过信号输出端口连接到USB2.0控制芯片进行转接，USB3.0设备的SSTX输出端口和SSRX输出端口直接连接到USB3.0输出接口。由于人机交互数据的传输最高仅需在USB2.0的D+/D-数据传输的全速或高速状态下即可实现，对传输速率的要求不高，因此信号传输端口输出USB2.0数据，采用转接USB2.0数据的控制芯片，性价比很高。相比直接使用USB3.0控制芯片连接于USB3.0下游设备与USB3.0输出接口之间，本方案能实现USB资源的最大限度利用，降低了成本。In the further solution, only the USB2.0 control chip can simultaneously satisfy the function of the USB3.0 transmission system and the transmission of human-computer interaction signals. The human-computer interaction input device is connected to the USB2.0 control chip through the signal output port for transfer, and the SSTX output port and the SSRX output port of the USB3.0 device are directly connected to the USB3.0 output interface. Since the transmission of human-computer interaction data is only required to be realized at the full speed or high speed state of D+/D-data transmission of USB2.0, the transmission rate requirement is not high, so the signal transmission port outputs USB2.0 data, and adopts The control chip for transferring USB2.0 data is very cost-effective. Compared with the USB3.0 control chip directly connected between the USB3.0 downstream device and the USB3.0 output interface, this solution can realize the maximum utilization of USB resources and reduce the cost.
进一步地，所述人机交互输入设备包括用户输入单元和微控制单元；所述用户输入单元包括触摸板和信息输出端口，所述微控制单元包括信息输入端口和处理输出端口；Further, the human-machine interaction input device includes a user input unit and a micro control unit; the user input unit includes a touch panel and an information output port, and the micro control unit includes an information input port and a processing output port;
所述信息输出端口连接所述信息输入端口，所述处理输出端口连接所述人机交互输入设备的所述信号输出端口。The information output port is connected to the information input port, and the processing output port is connected to the signal output port of the human-machine interaction input device.
在其中一个实施例中，所述USB外围装置为视频展台。In one of the embodiments, the USB peripheral device is a video booth.
在另一个实施例中，所述USB外围装置为高拍仪。In another embodiment, the USB peripheral device is a high-altitude meter.
附图说明DRAWINGS
图1是本实用新型提供的USB外围装置的实施例一的原理图；1 is a schematic diagram of Embodiment 1 of a USB peripheral device provided by the present invention;
图2是本实用新型提供的USB外围装置的实施例二的原理图； 2 is a schematic diagram of Embodiment 2 of a USB peripheral device provided by the present invention;
图3是本实用新型提供的USB外围装置的实施例三的原理图。3 is a schematic diagram of a third embodiment of a USB peripheral device provided by the present invention.
具体实施方式detailed description
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.
实施例一Embodiment 1
参见图1，是本实用新型提供的USB外围装置的实施例一的原理图；1 is a schematic diagram of Embodiment 1 of a USB peripheral device provided by the present invention;
本实施例中，USB外围装置包括：人机交互输入设备10、USB下游设备、USB控制芯片和USB输出接口；In this embodiment, the USB peripheral device includes: a human-machine interaction input device 10, a USB downstream device, a USB control chip, and a USB output interface;
所述人机交互输入设备包括信号输出端口；The human-machine interaction input device includes a signal output port;
所述USB下游设备包括USB2.0输出端口；The USB downstream device includes a USB 2.0 output port;
所述USB控制芯片包括第一下游端口、第二下游端口和第一上游端口；The USB control chip includes a first downstream port, a second downstream port, and a first upstream port;
所述USB输出接口包括USB2.0数据上游输出端口；The USB output interface includes a USB2.0 data upstream output port;
所述USB控制芯片的所述第一下游端口连接所述人机交互输入设备的所述信号输出端口，所述第二下游端口连接所述USB下游设备的所述USB2.0输出端口，所述第一上游端口连接所述USB输出接口的所述USB2.0数据上游输出端口。The first downstream port of the USB control chip is connected to the signal output port of the human-machine interaction input device, and the second downstream port is connected to the USB2.0 output port of the USB downstream device, The first upstream port is connected to the USB2.0 data upstream output port of the USB output interface.
其中，USB下游设备是USB2.0设备20，USB输出接口是USB2.0输出接口40，USB控制芯片是USB2.0控制芯片30。The USB downstream device is a USB 2.0 device 20, the USB output interface is a USB 2.0 output interface 40, and the USB control chip is a USB 2.0 control chip 30.
本实施例在现有的USB外围装置上增加了人机交互输入设备以及USB2.0控制芯片，并将USB控制2.0控制芯片30接入人机交互输入设备10的信号输出端口与USB2.0输出接口40之间，如图所示，人机交互输入设备10输出D+/D-信号，USB2.0控制芯片30具有扩展转接的功能，即USB2.0控制芯片30能将两个下游端口获得的信号转接到第一上游端口输出至USB2.0输出接口。因此用户通过人机交互输入设备输入的信号能传输到上游设备，用户能直接在外围装置进行操作，避免在使用外围装置时又需要操作上游主机设备的麻烦。In this embodiment, a human-machine interaction input device and a USB2.0 control chip are added to the existing USB peripheral device, and the USB control 2.0 control chip 30 is connected to the signal output port of the human-machine interaction input device 10 and the USB2.0 output. Between the interfaces 40, as shown in the figure, the human-machine interaction input device 10 outputs a D+/D-signal, and the USB2.0 control chip 30 has an extended transfer function, that is, the USB2.0 control chip 30 can obtain two downstream ports. The signal is transferred to the first upstream port output to the USB 2.0 output interface. Therefore, the signal input by the user through the human-machine interaction input device can be transmitted to the upstream device, and the user can directly operate on the peripheral device, thereby avoiding the trouble of operating the upstream host device when using the peripheral device.
需要说明的是，包含信号输出端口的人机交互输入设备10是指能将人机交互输入的内容转换为USB数据输出的设备，本领域普通技术人员可知，包含信号输出端口的人机交互输入设备10应当包括用户输入单元和微控制单元(即MCU)，其中用户可以是键盘、触摸板或鼠标等各种可以实现用户操作信息输入的用户输入单元，微控制单元对用户通过用户输入单元输入的信息进行控制处理，以USB数据的形式输出。 It should be noted that the human-machine interaction input device 10 including the signal output port refers to a device capable of converting the content input by the human-machine interaction into USB data output, and those skilled in the art can recognize the human-computer interaction input including the signal output port. The device 10 should include a user input unit and a micro control unit (ie, an MCU), wherein the user can be a user input unit that can input user operation information, such as a keyboard, a touch pad, or a mouse, and the micro control unit inputs the user through the user input unit. The information is controlled and processed and output as USB data.
人机交互设备10的其中一种优选实施方式是：人机交互输入设备10包括用户输入单元和微控制单元；所述用户输入单元包括触摸板和信息输出端口，所述微控制单元包括信息输入端口和处理输出端口；所述信息输出端口连接所述信息输入端口，所述处理输出端口连接所述人机交互输入设备的所述信号输出端口。这种优选实施方式采用触摸板作为用户输入单元，在所述USB外围装置为高拍仪或者视频展台的情况下非常适用。因为高拍仪或者视频展台是将实物内容转换为图片或视频等电子格式的内容呈现，使用触摸板对这些电子格式的内容进行操作比较方便，比如放大或缩小操作。One preferred embodiment of the human-machine interaction device 10 is that the human-machine interaction input device 10 includes a user input unit and a micro-control unit; the user input unit includes a touch panel and an information output port, and the micro-control unit includes information input a port and a processing output port; the information output port is connected to the information input port, and the processing output port is connected to the signal output port of the human-machine interactive input device. This preferred embodiment employs a touchpad as the user input unit, which is very useful in the case where the USB peripheral device is a high-altitude or video booth. Because the Gao Paiyi or video booth is to convert the physical content into an electronic format such as a picture or video, it is convenient to use the touchpad to operate the contents of these electronic formats, such as zooming in or out.
实施例二Embodiment 2
参见图2，是本实用新型提供的USB外围装置的实施例二的原理图；2 is a schematic diagram of Embodiment 2 of a USB peripheral device provided by the present invention;
本实施例中，USB外围装置包括：人机交互输入设备10、USB3.0设备21、USB3.0控制芯片31和USB3.0输出接口41；In this embodiment, the USB peripheral device includes: a human-machine interaction input device 10, a USB3.0 device 21, a USB3.0 control chip 31, and a USB 3.0 output interface 41;
所述人机交互输入设备包括信号输出端口；The human-machine interaction input device includes a signal output port;
所述USB3.0设备21包括USB2.0输出端口、SSTX输出端口和SSRX输出端口；The USB 3.0 device 21 includes a USB 2.0 output port, an SSTX output port, and an SSRX output port;
所述USB3.0控制芯片包括第一下游端口、第二下游端口、SSTX下游端口、SSRX下游端口和第一上游端口、SSTX上游端口和SSRX上游端口；The USB3.0 control chip includes a first downstream port, a second downstream port, an SSTX downstream port, an SSRX downstream port and a first upstream port, an SSTX upstream port, and an SSRX upstream port;
所述USB3.0输出接口包括USB2.0数据上游输出端口、SSTX数据上游输出端口和SSRX数据上游输出端口；The USB3.0 output interface includes a USB2.0 data upstream output port, an SSTX data upstream output port, and an SSRX data upstream output port;
所述USB3.0控制芯片31的所述第一下游端口连接所述人机交互输入设备10的所述信号输出端口，所述第二下游端口连接所述USB3.0设备21的USB2.0输出端口，所述SSTX下游端口连接所述USB3.0设备21的SSTX输出端口，所述SSRX下游端口连接所述USB3.0设备21的SSRX输出端口，所述第一上游端口连接所述USB3.0输出接口41的所述USB2.0数据上游输出端口，所述SSTX上游端口连接所述SSTX数据上游输出端口，所述SSRX上游端口连接所述SSRX数据上游输出端口。The first downstream port of the USB3.0 control chip 31 is connected to the signal output port of the human-machine interaction input device 10, and the second downstream port is connected to the USB2.0 output of the USB3.0 device 21. a port, the SSTX downstream port is connected to the SSTX output port of the USB3.0 device 21, the SSRX downstream port is connected to the SSRX output port of the USB3.0 device 21, and the first upstream port is connected to the USB3.0 The USB2.0 data upstream output port of the output interface 41, the SSTX upstream port is connected to the SSTX data upstream output port, and the SSRX upstream port is connected to the SSRX data upstream output port.
根据USB3.0标准，USB3.0设备和USB3.0输出接口在USB2.0数据(即D+/D-数据)的基础上，增加了SSTX和SSRX两组差分数据，可以实现更大的数据传输速率。当USB3.0设备通过USB3.0输出接口传输数据到具有USB3.0上游传输能力的上游设备时，数据传输速率可以达到仅以USB2.0数据传输的速率的10倍以上。按照本实用新型的原理，可以采用USB3.0控制芯片31，USB3.0控制芯片31具有多个USB3.0下游端口，将USB3.0控制芯片31连接于人机交互设备10的信号输出端口和USB3.0输出接口41之间，可以使人机交互设备10输出的信号以USB3.0标准传输到上游设备，效率非常高。同时将USB3.0控制芯片连接于USB3.0设备21和USB3.0输出接口之间，使USB3.0设备输出的数据也能以USB3.0标 准传输到上游设备。According to the USB3.0 standard, the USB3.0 device and the USB3.0 output interface add two sets of differential data of SSTX and SSRX on the basis of USB2.0 data (ie D+/D-data), which can achieve greater data transmission. rate. When the USB3.0 device transmits data to the upstream device with USB3.0 upstream transmission capability through the USB3.0 output interface, the data transmission rate can reach 10 times or more of the rate of data transmission only by USB2.0. According to the principle of the utility model, the USB3.0 control chip 31 can be adopted. The USB3.0 control chip 31 has a plurality of USB3.0 downstream ports, and the USB3.0 control chip 31 is connected to the signal output port of the human-machine interaction device 10 and Between the USB3.0 output interfaces 41, the signals output by the human-machine interaction device 10 can be transmitted to the upstream device by the USB3.0 standard, which is very efficient. At the same time, the USB3.0 control chip is connected between the USB3.0 device 21 and the USB3.0 output interface, so that the data output by the USB3.0 device can also be marked with USB3.0. Transfer to the upstream device.
本实施例的人机交互输入设备的设置与上一实施例相同。在此不再赘述。The setting of the human-machine interaction input device of this embodiment is the same as that of the previous embodiment. I will not repeat them here.
实施例三Embodiment 3
参见图3，是本实用新型提供的USB外围装置的实施例三的原理图；3 is a schematic diagram of Embodiment 3 of the USB peripheral device provided by the present invention;
本实施例中，USB外围装置包括：人机交互输入设备10、USB3.0设备21、USB2.0控制芯片30和USB3.0输出接口41；In this embodiment, the USB peripheral device includes: a human-machine interaction input device 10, a USB 3.0 device 21, a USB 2.0 control chip 30, and a USB 3.0 output interface 41;
所述人机交互输入设备包括信号输出端口；The human-machine interaction input device includes a signal output port;
所述USB3.0设备21包括USB2.0输出端口、SSTX输出端口和SSRX输出端口；The USB 3.0 device 21 includes a USB 2.0 output port, an SSTX output port, and an SSRX output port;
所述USB2.0控制芯片30包括第一下游端口、第二下游端口和第一上游端口；The USB2.0 control chip 30 includes a first downstream port, a second downstream port, and a first upstream port;
所述USB3.0输出接口41包括USB2.0数据上游输出端口、SSTX数据上游输出端口和SSRX数据上游输出端口；The USB3.0 output interface 41 includes a USB2.0 data upstream output port, an SSTX data upstream output port, and an SSRX data upstream output port;
所述USB2.0控制芯片30的所述第一下游端口连接所述人机交互输入设备10的所述信号输出端口，所述第二下游端口连接所述USB3.0设备21的USB2.0输出端口，所述第一上游端口连接所述USB3.0输出接口41的所述USB2.0数据上游输出端口，所述USB3.0设备21的SSTX输出端口连接所述USB3.0输出接口41的SSTX数据上游输出端口，所述USB3.0设备21的SSRX输出端口连接所述USB3.0输出接口41的SSRX数据上游输出端口。The first downstream port of the USB2.0 control chip 30 is connected to the signal output port of the human-machine interaction input device 10, and the second downstream port is connected to the USB2.0 output of the USB3.0 device 21. a port, the first upstream port is connected to the USB2.0 data upstream output port of the USB3.0 output interface 41, and the SSTX output port of the USB3.0 device 21 is connected to the SSTX of the USB3.0 output interface 41. The data upstream output port, the SSRX output port of the USB 3.0 device 21 is connected to the SSRX data upstream output port of the USB3.0 output interface 41.
本实施例提供了一种仅用USB2.0控制芯片，就能同时满足USB3.0传输系统功能及人机交互信号传输的方案。在USB3.0输出接口41连接的上游设备为USB2.0设备时，下游的USB3.0设备21通过USB2.0输出端口(即D+/D-引脚)连接到USB2.0控制芯片30进行信号传输，人机交互输入设备通过信号输出端口输出D+/D-信号，连接到USB2.0控制芯片30进行转接；在USB3.0输出接口41连接的上游设备为USB3.0设备时，由于SSTX输出端口和SSRX输出端口直接连接USB3.0输出接口传输SSTX数据和SSRX数据，因此下游的USB3.0设备21数据传输在SSTX和SSRX的USB3.0通道上，人机交互输入设备通过信号输出端口输出D+/D-信号连接到USB2.0控制芯片进行转接。由于人机交互数据的传输最高仅需在USB2.0的D+/D-数据传输的全速或高速状态下即可实现，对传输速率的要求不高，因此采用转接USB2.0数据的控制芯片，性价比很高。相比直接使用USB3.0数据连接于USB3.0下游设备与USB3.0输出接口之间，本方案能实现USB资源的最大限度利用，降低了成本。This embodiment provides a scheme for simultaneously satisfying the function of the USB 3.0 transmission system and the signal transmission of human-computer interaction by using only the USB 2.0 control chip. When the upstream device connected to the USB3.0 output interface 41 is a USB 2.0 device, the downstream USB 3.0 device 21 is connected to the USB 2.0 control chip 30 via the USB 2.0 output port (ie, D+/D-pin) for signal. Transmission, human-computer interaction input device outputs D+/D- signal through signal output port, and connects to USB2.0 control chip 30 for switching; when the upstream device connected to USB3.0 output interface 41 is USB3.0 device, due to SSTX The output port and SSRX output port are directly connected to the USB3.0 output interface to transmit SSTX data and SSRX data, so the downstream USB3.0 device 21 data is transmitted on the USB3.0 channel of SSTX and SSRX, and the human-machine interactive input device passes the signal output port. The output D+/D- signal is connected to the USB2.0 control chip for switching. Since the transmission of human-computer interaction data is only required to be realized at the full speed or high speed state of D+/D-data transmission of USB2.0, the transmission rate requirement is not high, so the control chip for transferring USB2.0 data is adopted. , cost-effective. Compared with directly using USB3.0 data to connect between USB3.0 downstream device and USB3.0 output interface, this solution can realize the maximum utilization of USB resources and reduce the cost.
本实施例的人机交互输入设备的设置与上一实施例相同。在此不再赘述。The setting of the human-machine interaction input device of this embodiment is the same as that of the previous embodiment. I will not repeat them here.
本实用新型增加了人机交互输入设备，将USB控制芯片接入人机交互输入设备的信号输出端口与USB输出接口之间，由于USB控制芯片具有扩展转接的功能，使人机交互输入设备与USB下游设备的数据都能传输到上游设备，因此用户能直接在外围装置进行操作，避 免在使用外围装置时又需要操作上游主机设备的麻烦。The utility model adds a human-computer interaction input device, and the USB control chip is connected between the signal output port of the human-computer interaction input device and the USB output interface, and the human-computer interaction input device is realized because the USB control chip has the function of extending the transfer. The data with the USB downstream device can be transmitted to the upstream device, so the user can directly operate on the peripheral device, avoiding It is not necessary to operate the upstream host device when using the peripheral device.
以上是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和变形，这些改进和变形也视为本实用新型的保护范围。 The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and modifications without departing from the principles of the present invention. It is the scope of protection of the present invention.

Claims (7)

  1. 一种USB外围装置，其特征在于，包括人机交互输入设备、USB下游设备、USB控制芯片和USB输出接口；A USB peripheral device, comprising: a human-machine interaction input device, a USB downstream device, a USB control chip, and a USB output interface;
    所述人机交互输入设备包括信号输出端口；The human-machine interaction input device includes a signal output port;
    所述USB下游设备包括USB2.0输出端口；The USB downstream device includes a USB 2.0 output port;
    所述USB控制芯片包括第一下游端口、第二下游端口和第一上游端口；The USB control chip includes a first downstream port, a second downstream port, and a first upstream port;
    所述USB输出接口包括USB2.0数据上游输出端口；The USB output interface includes a USB2.0 data upstream output port;
    所述USB控制芯片的所述第一下游端口连接所述人机交互输入设备的所述信号输出端口，所述第二下游端口连接所述USB下游设备的所述USB2.0输出端口，所述第一上游端口连接所述USB输出接口的所述USB2.0数据上游输出端口。The first downstream port of the USB control chip is connected to the signal output port of the human-machine interaction input device, and the second downstream port is connected to the USB2.0 output port of the USB downstream device, The first upstream port is connected to the USB2.0 data upstream output port of the USB output interface.
  2. 如权利要求1所述的USB外围装置，其特征在于，所述USB下游设备为USB2.0设备；所述USB输出接口为USB2.0输出接口。The USB peripheral device of claim 1 , wherein the USB downstream device is a USB 2.0 device; and the USB output interface is a USB 2.0 output interface.
  3. 如权利要求1所述的USB外围装置，其特征在于，所述USB下游设备为USB3.0设备；所述USB下游设备还包括SSTX输出端口和SSRX输出端口；The USB peripheral device of claim 1 , wherein the USB downstream device is a USB 3.0 device; the USB downstream device further comprises an SSTX output port and an SSRX output port;
    所述USB输出接口为USB3.0输出接口；所述USB输出接口还包括SSTX数据上游输出端口和SSRX数据上游输出端口；The USB output interface is a USB3.0 output interface; the USB output interface further includes an SSTX data upstream output port and an SSRX data upstream output port;
    所述SSTX输出端口连接所述SSTX数据上游输出端口，所述SSRX输出端口连接所述SSRX数据上游输出端口。The SSTX output port is connected to the SSTX data upstream output port, and the SSRX output port is connected to the SSRX data upstream output port.
  4. 如权利要求1至3任一项所述的USB外围装置，其特征在于，所述USB控制芯片为USB2.0控制芯片。The USB peripheral device according to any one of claims 1 to 3, wherein the USB control chip is a USB 2.0 control chip.
  5. 如权利要求1至3任一项所述的USB外围装置，其特征在于，所述人机交互输入设备包括用户输入单元和微控制单元；所述用户输入单元包括触摸板和信息输出端口，所述微控制单元包括信息输入端口和处理输出端口；The USB peripheral device according to any one of claims 1 to 3, wherein the human-machine interaction input device comprises a user input unit and a micro control unit; the user input unit comprises a touch panel and an information output port, The micro control unit includes an information input port and a processing output port;
    所述信息输出端口连接所述信息输入端口，所述处理输出端口连接所述人机交互输入设备的所述信号输出端口。The information output port is connected to the information input port, and the processing output port is connected to the signal output port of the human-machine interaction input device.
  6. 如权利要求1至3任一项所述的USB外围装置，其特征在于，所述USB外围装置 为视频展台。The USB peripheral device according to any one of claims 1 to 3, wherein the USB peripheral device For the video booth.
  7. 如权利要求1至3任一项所述的USB外围装置，其特征在于，所述USB外围装置为高拍仪。 The USB peripheral device according to any one of claims 1 to 3, wherein the USB peripheral device is a Gao Paiyi.
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