WO2015143967A1 - 一种连通usb端口的方法和设备 - Google Patents

一种连通usb端口的方法和设备 Download PDF

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Publication number
WO2015143967A1
WO2015143967A1 PCT/CN2015/073189 CN2015073189W WO2015143967A1 WO 2015143967 A1 WO2015143967 A1 WO 2015143967A1 CN 2015073189 W CN2015073189 W CN 2015073189W WO 2015143967 A1 WO2015143967 A1 WO 2015143967A1
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Prior art keywords
usb
module
port
internal
display device
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PCT/CN2015/073189
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English (en)
French (fr)
Inventor
余超群
李培树
李秀宇
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青岛海信宽带多媒体技术有限公司
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Publication of WO2015143967A1 publication Critical patent/WO2015143967A1/zh

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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
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • 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
    • G06F13/10—Program control for peripheral devices
    • G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer

Definitions

  • the present application relates to the field of multimedia technologies, and in particular, to a method and device for connecting a USB port.
  • the connection between the set-top box and the TV USB is shown in Figure 1.
  • the USB port of the set top box module 1 and the USB port of the TV chip in FIG. 1 are independent of each other, and the set top box module 1 and the TV chip both have 4 USB ports, wherein the 4 way USB ports 1-4 of the set top box 1 pass through a set of connectors It is connected to the four USB ports 1-4 of the TV motherboard; the 4-way USB port 5-8 of the TV chip is connected to the USB port 5-8.
  • the audio and video output of the set top box 1 is connected to one input channel of the television, such as HDMI (High Definition Multimedia Interface) 1 channel.
  • HDMI High Definition Multimedia Interface
  • the TV supports multiple set-top box modules, and the USB ports of each set-top box module are independent of each other, there will be more than 10 USB external ports on the TV.
  • the embodiment of the present application provides a method and device for connecting a USB port, and adopting the technical solution to reduce a USB port of a television.
  • the display device views the internal modules that need to use USB;
  • the internal module of the USB is required to be a TV module, connect the USB internal port of the TV module to the USB external port of the display device;
  • the internal module of the USB is required to be a set top box module, connect the USB internal port of the set top box module to the USB external port of the display device;
  • USB external port that communicates with the USB internal port of the TV module and the USB external port that communicates with the USB internal port of the set top module are partially or completely the same.
  • the display device views internal modules that need to use USB, including:
  • the display device checks the USB internal module that needs to be used according to the currently connected display channel.
  • the display device checks the internal module that needs to use the USB according to the current channel of the display channel, including:
  • the display device determines that the internal module using the USB is a TV module when the currently connected display channel is a TV channel;
  • the display device determines that the USB internal module to be used is a set top box module.
  • the display device connects the USB internal port of the set top box module to the USB external port of the display device, including:
  • the display device communicates the determined USB internal port of the set top box module with the USB external port.
  • the display device communicates the USB internal port of the TV module with the USB external port of the display device, including:
  • the display device connects the USB internal ports of the TV module to each USB external port;
  • the display device connects the USB internal port of the set top box module to the USB external port of the display device, including:
  • the display device connects the USB internal ports of the set top box module with each USB external port.
  • the device of the present invention provides a device for connecting to a universal serial bus USB port, including a television module and a set top box module, and the device further includes:
  • the control chip is used to view the internal module that needs to use the USB after the display device is turned on; if the internal module of the USB is required to be the TV module, connect the USB internal port of the TV module to the USB external port of the display device; If the internal module of the USB is a set top box module, the USB internal port of the set top box module is connected to the USB external port of the display device;
  • USB external port that communicates with the USB internal port of the TV module and the USB external port that communicates with the USB internal port of the set top module are partially or completely the same.
  • control chip is specifically configured to:
  • control chip is specifically configured to:
  • the internal module using the USB is a TV module
  • the internal module that needs to use USB is the set top box module.
  • control chip is specifically configured to:
  • the set-top box module corresponding to the currently connected display channel is determined according to the correspondence between the display channel and the set-top box module; and the determined USB internal port of the set-top box module is connected to the USB external port.
  • the display device further includes:
  • a switch for connecting the television module or the set top box module to a USB external port under control of the control chip
  • control chip is further configured to:
  • the internal module of the USB is required to be a TV module, controlling the switch to connect the TV module to the USB external port;
  • the switch is controlled to connect the set top box module with the USB external port.
  • the display device has multiple USB external ports;
  • the display device further includes:
  • a USB splitter is used to connect the switch to each USB external port.
  • the display device determines, according to the current display channel, whether the USB internal port of the TV module or the set top box module is connected to the USB external port; wherein, the USB external port that communicates with the USB internal port of the TV module, and the set top box module
  • the USB external port connected to the USB external port is partially or completely the same. Since the embodiment of the present application implements the USB interface shared by the TV module and the set top box module, the number of USB ports of the display device can be reduced.
  • FIG. 1 is a schematic diagram showing a connection relationship between a set top box and a TV USB in the background art
  • FIG. 2 is a flowchart of a method for connecting a USB port according to Embodiment 1 of the present application
  • FIG. 3 is a flowchart of a TV boot process in the second embodiment of the present application.
  • FIG. 4 is a schematic diagram of an apparatus for connecting a USB port according to Embodiment 3 of the present application.
  • FIG. 5A is a schematic diagram of an apparatus for connecting a USB port according to Embodiment 4 of the present application.
  • FIG. 5B is a flowchart of a device provided in Embodiment 5 of the present application.
  • FIG. 6A is a schematic diagram of an apparatus for connecting a USB port according to Embodiment 6 of the present application.
  • FIG. 6B is a flowchart of a device provided in Embodiment 7 of the present application.
  • the display device of the embodiment of the present application determines, according to the current display channel, whether to connect the USB internal port of the TV module or the set top box module with the USB external port of the display device; wherein, the USB external port that communicates with the USB internal port of the TV module, and Part or all of the USB external port connected to the USB internal port of the set-top box module with. Since the embodiment of the present application implements the USB interface shared by the TV module and the set top box module, the number of USB ports of the display device can be reduced.
  • the set top box module and the television module of the embodiment of the present application may be combined in one device, such as a combined television.
  • the number of set-top box modules can be one or more.
  • the functions include various set-top box modules connected to the wide-area network, local area network, and wide-area network through wired and wireless channels.
  • Various set-top boxes with various functions such as games, entertainment, and security are also included. Module.
  • the TV module is an internal module unit that has a USB internal port and supports TV display.
  • the method for connecting a USB port includes the following steps:
  • Step 201 After the display device is powered on, view an internal module that needs to use USB;
  • Step 202 If the internal module of the USB is required to be a TV module, connect the USB internal port of the TV module to the USB external port of the display device; if the internal module of the USB to be used is a TV module, the USB internal port of the TV module Connected to the USB external port of the display device;
  • USB external port that communicates with the USB internal port of the TV module and the USB external port that communicates with the USB internal port of the set top module are partially or completely the same.
  • the display device can view the internal module that needs to use USB when booting; or can view the internal module that needs to use USB when the display channel is switched.
  • the main program of the display device is started, necessary initialization, and the like, and then the USB internal module to be used is selected according to the display channel currently connected by the display device;
  • the currently connected display channels may be ordinary television channels (receiving analog signals), cable television channels (receiving digital signals), IPTV network channels, simple game function channels, DVD player channels, and the like.
  • the display device determines that the currently connected display channel is a TV channel (the TV channel is a normal TV channel (ie, receives an analog signal)), determines that the USB internal module that should be used is a TV module, and displays the USB internal port of the TV module and the display.
  • the USB external port of the device is connected.
  • USB internal port of the TV module there are many ways to connect the USB internal port of the TV module to the USB external port of the display device, for example:
  • the display device sends a logic signal command to the USB2.0 switch by the switch logic control unit, and the USB switch switches to the USB internal port of the TV module; the display device connects the USB internal port of the TV module with the display device.
  • the USB external port is connected; wherein the USB external port that is in communication with the USB internal port of the television module may be partially connected or fully connected.
  • the display device determines whether the currently connected display channel is a TV channel, or is in another channel, such as HDMI, color difference component, video, etc.; the display device determines that the USB internal module used is a set top box module, and the set top box module The USB internal port is connected to the USB external port of the display device.
  • USB internal port of the set top box module there are many ways to connect the USB internal port of the set top box module to the USB external port of the display device, for example:
  • the display device sends a logic signal command to the switch through the switch logic control unit, and the switch switch is switched to the USB internal port of the set top box module; the display device connects the USB internal port of the set top box module with the USB external port of the display device; wherein, the set top box module
  • the USB external port connected to the USB internal port can be partially connected or fully connected.
  • the display device connects or completely connects the USB internal port of the TV module with a plurality of USB external port portions, for example:
  • a peripheral device is inserted in the external USB port of the display device. If the peripheral device is a USB flash drive, the USB disk stores video files.
  • the display device can identify the connected external device and perform related operations to synchronously switch the display channel currently connected to the TV to the external USB port channel to realize the U disk video. If the USB port of the TV chip is not connected to the USB external port, the current display channel of the TV does not display the information of the inserted USB disk.
  • USB external ports of the display device If there are multiple USB external ports of the display device, and multiple USB external ports have peripherals inserted, if the inserted peripherals are U disk 1, U disk 2, U disk 3, etc., among which U disk 1 is stored. It is a video file, the U disk 2 stores the document, and the U disk 3 stores the image file.
  • the display device can identify the connected external device and perform related operations to select whether to view the video file, or the document or the image file; and the television is currently connected.
  • the display channel will be synchronously switched to the external USB port channel of the TV to realize the playback of a file in the U disk 1 video file, the U disk 2 document, and the U disk 3 picture file.
  • the display device only recognizes a connected device, and performs related operations to view a connected file, and the display channel currently connected by the television will Synchronously switch to the external USB port channel of the TV to realize the playback of a connected U disk file. If the USB port of the TV module is not connected to the plurality of USB external ports, the current display channel of the TV does not display the inserted plurality of U disk information.
  • the display device connects or completely connects the USB internal port of the set top box module with a plurality of USB external port portions, for example:
  • a peripheral device is inserted in the external USB port of the display device. If the peripheral device is a USB flash drive, the USB disk stores video files.
  • the display device can identify the connected external device and perform related operations to synchronously switch the display channel currently connected to the TV to the external USB port channel to realize the U disk video. If the USB port of the TV chip is not connected to the USB external port, the current display channel of the TV does not display the information of the inserted USB disk.
  • USB external ports of the display device If there are multiple USB external ports of the display device, and multiple USB external ports have peripherals inserted, if the inserted peripherals are U disk 1, U disk 2, U disk 3, etc., among which U disk 1 is stored. It is a video file, the U disk 2 stores the document, and the U disk 3 stores the image file.
  • the display device can identify the connected external device and perform related operations to select whether to view the video file, or the document or the picture file; and the television is currently connected.
  • the display channel will be synchronously switched to the external USB port channel of the TV to realize the playback of a file in the U disk 1 video file, the U disk 2 document, and the U disk 3 picture file.
  • the display device only recognizes a connected device, and performs related operations to view a connected file, and the display channel currently connected by the television will Synchronously switch to the external USB port channel of the TV to realize the playback of a connected U disk file. If the USB port of the set top box module is not connected to the plurality of USB external ports, the current display channel of the television does not display the inserted plurality of U disk information.
  • the TV software program can recognize the status and perform the process.
  • the USB port 1-4 has a USB peripheral inserted in the TV channel, the TV software program will not be able to perform related processing and there is no relevant display information.
  • the TV software program can recognize the status and perform related processing, but if the TV chip is connected When a USB peripheral is plugged into the 4-way USB port 5-8, the TV software program will not be able to perform related processing and there is no relevant display information.
  • USB internal port of the set top box module of the embodiment of the present application When the USB internal port of the set top box module of the embodiment of the present application is connected with the USB external port, all the USB external ports can be identified and processed in the case of all communication; thus, the external device can be read regardless of which USB port is inserted. , does not appear in the above prior art must be inserted and displayed channel for the USB port to read The case of an external device.
  • USB external port of the TV can be connected to the USB internal port of the TV module or the USB internal port of the STB module, the number of USB external ports of the TV is reduced. Saves space on the TV's motherboard.
  • the display device in the embodiment of the present application may be, but not limited to, a television set.
  • Step 301 The TV is powered on.
  • step 301 the television is powered on, and can be started by the television host or activated by the remote control board.
  • step 302 the main TV program is started and initialized.
  • Step 303 The main program of the television determines whether the display channel currently connected to the TV is in the TV channel; if in the TV channel, step 304 is performed, and if not in the TV channel, step 305 is performed.
  • the display channel currently connected by the television includes: a normal television channel (receiving an analog signal), a cable television channel, an IPTV network television channel, a simple game channel, or a DVD playback channel.
  • Step 304 The TV main program sends a logic signal command to the switch through the logic switch control unit through the logic control signal, and the switch is switched to the USB port of the TV chip; the USB port of the TV chip and the USB external port of the TV are realized.
  • Connectivity wherein the USB external ports in communication with the USB ports of the television module may be partially connected or fully connected.
  • step 304 if the operator clicks and selects to watch the ordinary television (receives an analog signal) through the remote controller, the display channel currently connected by the television is a normal television.
  • Step 305 The TV chip determines whether the interface corresponding to the currently connected display channel is inserted by the insertion signal detecting unit; if the organic top box is inserted, step 306 is performed; if no set top box is inserted, step 304 is performed.
  • Step 306 The TV switch logic control signal sends a logic signal command to the switch through the logic switch control unit; and the switch is switched to the set top box USB signal.
  • the television chip determines that the top-of-the-box module is inserted on the interface position corresponding to the currently connected display channel by inserting the signal detecting unit, and the set-top box module determined by the television chip is an internal module of the USB to be used, and the television chip passes the switching logic.
  • the control unit sends a logic signal command to the switch to switch the switch to the internal USB port of the determined set top box module, thereby implementing communication between the determined internal USB signal of the set top box module and the corresponding USB external port.
  • the TV chip will determine whether the top-of-the-box module is inserted at the interface position corresponding to the currently connected display channel by inserting the signal detecting unit; that is, the operator selects not to watch the ordinary TV, but the other has Line TV, IPTV network TV, simple game or DVD player; the operator clicks through the remote control, the currently connected display channel of the TV will judge cable TV, IPTV network TV, simple game or according to the change of the display screen of the TV Does the DVD player have a corresponding signal connection.
  • the USB internal port of the set-top box module is connected to the USB external port, and all the USB external ports can be identified and processed in the case of all communication; the method has solved the problem that the number of USB ports is too large. problem.
  • USB external port of the TV can be connected to the USB internal port of the TV module or the USB internal port of the STB module, the number of USB external ports of the TV is reduced. Saves space on the TV's motherboard.
  • the third embodiment of the present application provides a device for connecting a USB port.
  • the device for connecting the USB port includes: a TV module 40, at least one set top box module 41, and a control chip 42.
  • the control chip 42 is used to view an internal module that needs to use USB; if the internal module of the USB is required to be a TV module, the USB internal port of the TV module is connected to the USB external port of the display device; if the internal module of the USB is required, The set top box module connects the USB internal port of the set top box module with the USB external port of the display device.
  • USB external port that communicates with the USB internal port of the TV module and the USB external port that communicates with the USB internal port of the set top module are partially or completely the same.
  • the control chip includes an insertion signal detecting unit and a logic control switch unit, and the insertion signal detecting unit can identify the interface position corresponding to the set top box module by detecting the insertion signal of the set top box module.
  • the set-top box module 41 can be connected to various types of set-top boxes of a broadcasting network or a local area network or a wide area network through various wired and wireless means, and can be a module having functions of games, entertainment, and security.
  • this set-top box module also has a USB internal port, which can communicate with the USB external port through the USB internal port. After the set top box is connected to the television system, an insertion signal is provided to the television system.
  • the TV module 40 has a USB internal port that can be connected to the USB external port through the USB internal port of the TV module.
  • the control chip 42 determines that the internal module using the USB is a TV module; when the currently connected display channel is a non-TV channel, it is determined that the internal module that needs to use the USB is the set top box module. .
  • the display device may have a plurality of display channels.
  • the display channel of the display device may be a normal television channel (receiving analog signals), a cable television channel, an IPTV network channel, a simple game function channel, and a DVD. Player channel, etc.
  • the control chip 42 further determines according to the corresponding relationship between the display channel and the set-top box module.
  • the set top box module corresponding to the currently connected display channel connects the USB internal port of the determined set top box module with the USB external port.
  • the set-top box modules may be a cable set-top box, an IPTV network television set-top box, a simple game set-top box, etc.
  • the display device determines the interface position corresponding to the currently connected display channel by inserting a signal detecting unit. Whether cable TV, IPTV network TV, and simple games have corresponding signal connections (module insertion).
  • the switch can be implemented by using a switch.
  • the display device of the fourth embodiment of the present application may further include: a switch 43.
  • control chip 42 is specifically configured to:
  • the switch is controlled to connect the TV module to the USB external port.
  • the switch is controlled to connect the set top box module with the USB external port.
  • the fifth embodiment of the present application provides a device flowchart.
  • the USB internal port 1-3 of the set top box module and the USB internal port 4 of the TV module are both connected to the switch module.
  • the positive polarity signals D1+ to D3+ of the USB internal ports 1-3 of the set top box module are respectively connected to the switch control unit 1, and the negative polarity signals D1- ⁇ D3- of the USB internal ports 1-3 of the set top box module and the switch control unit respectively 2 connection;
  • the positive polarity signal D4+ of the USB internal port 4 of the TV module is respectively connected to the switch control unit 1, and the negative polarity signal D4- of the USB internal port of the TV module is respectively connected to the switch control unit 2.
  • the control chip 42 is connected to the logic control unit of the changeover switch.
  • control chip sends a logic signal command to the logic control unit in the switch; the logic control unit controls the switch control unit 1 to connect one of the links D1+ to D4+ according to the logic signal command, and controls the switch control The unit 2 connects one of the links D1 to D4-.
  • D4+ is connected to the control switch control unit 1
  • the control switch control unit 2 is connected to D4-
  • the USB internal port 4 of the TV chip is connected to the USB external port.
  • the control chip sends a logic signal command to the logic control unit in the switch; the logic control unit controls the switch control unit 1 to connect D1+ according to the logic signal command, and controls the switch control unit 2 to D1.
  • the USB internal port 1 of the set top box 1 is connected to the USB external port.
  • FIG. 5B is an implementation manner in which the internal USB port is connected to the external USB port through the switch. Other ways of connecting the two USB ports are applicable to the embodiment of the present application.
  • a display device can have one USB external port or multiple USB external ports. If there are multiple USB external ports, some of the multiple USB external ports may be USB external ports shared by the set top box module and the TV module, and the rest are the USB external ports of the set top box module and the TV module. For example, there are 4 USB external ports, which can be shared USB external ports, one is the USB external port dedicated to the TV module, and the other is the USB external port exclusive to the set-top box module.
  • USB external ports are shared USB external ports.
  • the display device of Embodiment 6 of the present application may further include: a USB splitter 44.
  • the USB splitter 44 is configured to connect the switch and each USB external port.
  • the solution of the present application is described below by taking a display device including three set top box modules, an external USB splitter, and a plurality of external USB ports as an example.
  • the device flowchart provided in Embodiment 7 of the present application the USB internal port 1-3 of the set top box module and the USB internal port 4 of the TV module are all connected to the switch.
  • the positive polarity signals D1+ to D3+ of the USB internal ports 1-3 of the set top box module are respectively connected to the switch control unit 1, and the negative polarity signals D1- ⁇ D3- of the USB internal ports 1-3 of the set top box module and the switch control unit respectively 2 connection;
  • the positive polarity signal D4+ of the USB internal port 4 of the TV module is respectively connected to the switch control unit 1, and the negative polarity signal D4- of the USB internal port of the TV module is respectively connected to the switch control unit 2.
  • the control chip 62 is connected to the logic control unit of the changeover switch.
  • control chip sends a logic signal command to the logic control unit in the switch; the logic control unit controls the switch control unit 1 to connect one of the links D1+ to D4+ according to the logic signal command, and controls the switch control unit 2 to One of the links D1- ⁇ D4- is connected.
  • D4+ is connected to the control switch control unit 1
  • the control switch control unit 2 is connected to D4-, and the switch connects the outputted set of USB signals UD+ and UD- to the USB splitter because the USB splitter is connected.
  • many USB external port It is achieved that the USB internal port 4 of the TV chip is connected to the USB external port.
  • the control chip sends a logic signal command to the logic control unit in the switch; the logic control unit controls the switch control unit 1 to connect D1+ according to the logic signal command, and controls the switch control unit 2 to D1.
  • the switch connects the output set of USB signals UD+ and UD- to the USB splitter, thereby enabling the USB internal port 1 of the set top box 1 to communicate with the USB external port.
  • the USB splitter can be connected to a USB external port or to multiple USB external ports. If there are multiple USB external ports, some of the multiple USB external ports may be USB external ports shared by the set top box module and the TV module, and the rest are the USB external ports of the set top box module and the TV module. For example, there are 4 USB external ports, which can be shared USB external ports, one is the USB external port dedicated to the TV module, and the other is the USB external port exclusive to the set-top box module.
  • USB external port of the TV can be connected to the USB internal port of the TV module or the USB internal port of the STB module, the number of USB external ports of the TV is reduced. Saves space on the TV motherboard;
  • the modules included in the above devices connected to the USB port are only logically divided according to the functions implemented by the device device. In actual applications, the superposition or splitting of the above units may be performed.
  • the function of the device connected to the USB port provided by the embodiment is in one-to-one correspondence with the method for connecting the USB port provided by the foregoing embodiment.
  • the more detailed processing flow implemented by the device is in the first embodiment of the foregoing method. It has been described in detail and will not be described in detail here.

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Abstract

本申请公开了一种连通USB端口的方法和设备，主要技术方案包括：显示设备查看需要使用USB的内部模块；若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；若需要使用USB的内部模块为机顶盒模块，则将机顶盒模块的USB内部端口与显示设备的USB外部端口连通。釆用该技术方案，减少电视的USB端口，同时实现了USB外部端口部分或者全部共享。

Description

一种连通USB端口的方法和设备
本申请要求在2014年3月27日提交中国专利局、申请号为201410119869.8、申请名称为“一种连通USB端口的方法和设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及多媒体技术领域，尤其涉及一种连通USB端口的方法和设备。
背景技术
目前机顶盒与电视USB(通用串行总线)连接关系如图1所示。图1中机顶盒模块1的USB端口和电视芯片的USB端口是相互独立的，而且机顶盒模块1与电视芯片都具有4路USB端口，其中机顶盒1的4路USB端口1-4通过一组连接器和电视主板的4个USB端口1-4连通；电视芯片的4路USB端口5-8连接到USB端口上5-8。机顶盒1的音视频输出连接到电视的一路输入通道中，比如HDMI(High Definition Multimedia Interface，高清晰度多媒体接口)1通道。
即使在电视的USB端口1-4和USB端口5-8附近分别标明对应的机顶盒和电视，对于非专业的普通用户也非常难以分别；
若电视支持多个机顶盒模块时，而各个机顶盒模块的USB端口都是相互独立的，则电视上的USB外部端口将超过10个。
综上所述，目前机顶盒与电视USB的连接关系中，存在USB端口数量较多的问题。
发明内容
本申请实施例提供一种连通USB端口的方法和设备，采用该技术方案，减少电视的USB端口。
本申请实施例提供的一种连通USB端口的方法，包括：
显示设备查看需要使用USB的内部模块；
若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；
若需要使用USB的内部模块为机顶盒模块，则将机顶盒模块的USB内部端口与显示设备的USB外部端口连通；
其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。
可选的，所述显示设备查看需要使用USB的内部模块，包括：
所述显示设备根据当前连通的显示通道，查看需要使用的USB内部模块。
可选的，所述显示设备根据显示通道当前的通道，查看需要使用USB的内部模块，包括：
所述显示设备在当前连通的显示通道为TV通道时，确定使用USB的内部模块为电视模块；
所述显示设备在当前连通的显示通道为非TV通道时，确定需要使用的USB内部模块为机顶盒模块。
可选的，所述显示设备将机顶盒模块的USB内部端口与显示设备的USB外部端口连通，包括：
所述显示设备根据显示通道和机顶盒模块的对应关系，确定当前连通的显示通道对应的机顶盒模块；
所述显示设备将确定的机顶盒模块的USB内部端口与USB外部端口连通。
可选的，所述显示设备将电视模块的USB内部端口与显示设备的USB外部端口连通，包括：
若USB外部端口有多个，所述显示设备将电视模块的USB内部端口分别与每个USB外部端口连通；
所述显示设备将机顶盒模块的USB内部端口与显示设备的USB外部端口连通，包括：
若USB外部端口有多个，所述显示设备将所述机顶盒模块的USB内部端口分别与每个USB外部端口连通。
本申请实施例提供的一种连通通用串行总线USB端口的设备，包括电视模块和机顶盒模块，该设备还包括：
控制芯片，用于在显示设备在开机后，查看需要使用USB的内部模块；若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；若需要使用USB的内部模块为机顶盒模块，则将机顶盒模块的USB内部端口与显示设备的USB外部端口连通；
其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。
可选的，所述控制芯片具体用于：
根据显示通道当前的通道，查看需要使用USB的内部模块。
可选的，所述控制芯片具体用于：
在当前连通的显示通道为电视TV通道时，确定使用USB的内部模块为电视模块；
在当前连通的显示通道为非TV通道时，确定需要使用USB的内部模块为机顶盒模块。
可选的，所述控制芯片具体用于：
根据显示通道和机顶盒模块的对应关系，确定当前连通的显示通道对应的机顶盒模块；将确定的机顶盒模块的USB内部端口与USB外部端口连通。
可选的，所述显示设备还包括：
切换开关，用于在所述控制芯片的控制下，将所述电视模块或所述机顶盒模块与USB外部端口连通；
可选的，所述控制芯片还用于：
若需要使用USB的内部模块为电视模块，则控制所述切换开关将所述电视模块与USB外部端口连通；
若需要使用USB的内部模块为机顶盒模块，则控制所述切换开关将所述机顶盒模块与USB外部端口连通。
可选的，所述显示设备有多个USB外部端口；
所述显示设备还包括：
USB分路器，用于将所述切换开关和每个USB外部端口连通。本申请实施例显示设备根据当前的显示通道来判断，是否将电视模块或机顶盒模块的USB内部端口与USB外部端口连通；其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。由于本申请实施例实现了电视模块和机顶盒模块共用USB接口，从而可以减少显示设备的USB端口的数量。
附图说明
图1为背景技术中机顶盒与电视USB的连接关系示意图；
图2为本申请实施例一提供的一种连通USB端口的方法流程图；
图3为本申请实施例二中电视开机处理流程图；
图4为本申请实施例三提供的连通USB端口的设备示意图；
图5A为本申请实施例四提供的连通USB端口的设备示意图；
图5B为本申请实施例五提供的设备流程图；
图6A为本申请实施例六提供的连通USB端口的设备示意图；
图6B为本申请实施例七提供的设备流程图。
具体实施方式
本申请实施例显示设备根据当前的显示通道来判断是否将电视模块或机顶盒模块的USB内部端口与显示设备的USB外部端口连通；其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相 同。由于本申请实施例实现了电视模块和机顶盒模块共用USB接口，从而可以减少显示设备的USB端口的数量。
其中，本申请实施例的机顶盒模块和电视模块可以合成在一个设备中，比如组合电视。
机顶盒模块的数量可以是一个或多个，功能包含通过有线、无线途径连接到广电网、局域网、广域网的各类机顶盒模块，也包含各种具备游戏、娱乐、安防等专有功能的各类机顶盒模块。
电视模块是指具备USB内部端口的，支持电视显示的内部模块单元。以下结合说明书附图对本申请的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本申请，并不用于限定本申请。并且在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
实施例一
如图2所示，本申请实施例一提供的连通USB端口的方法，包括以下步骤：
步骤201、显示设备在开机后，查看需要使用USB的内部模块；
步骤202、若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；若需要使用的USB的内部模块为电视模块，将电视模块的USB内部端口与显示设备的USB外部端口连通；
其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。
步骤201中，显示设备可以在开机时查看需要使用USB的内部模块；也可以在显示通道进行切换时查看需要使用USB的内部模块。
当显示设备开机后，显示设备的主程序启动，进行必要的初始化等操作，然后根据显示设备当前连通的显示通道，选择要使用的USB内部模块；
例如，当前连通的显示通道可以是普通电视通道(接收模拟信号)、有线电视的通道(接收数字信号)、IPTV网络通道、单纯的游戏功能通道、DVD播放器通道等。
步骤202中，显示设备判断当前连通的显示通道是TV通道(TV通道为普通电视通道(即接收模拟信号))，确定应该使用的USB内部模块为电视模块，将电视模块的USB内部端口与显示设备的USB外部端口连通。
在实施中，将电视模块的USB内部端口与显示设备的USB外部端口连通的方式有很多，例如：
显示设备通过开关逻辑控制单元，给USB2.0切换开关发出逻辑信号命令，USB切换开关切换到电视模块的USB内部端口；显示设备将电视模块的USB内部端口与显示设备 的USB外部端口连通；其中，与电视模块的USB内部端口连通的USB外部端口可以是部分连通或者全部连通。
步骤202中，显示设备判断当前连通的显示通道是不是TV通道，或是在其他某个通道，比如HDMI、色差分量、视频等通道；显示设备确定使用的USB内部模块为机顶盒模块，将机顶盒模块的USB内部端口与显示设备的USB外部端口连通。
在实施中，将机顶盒模块的USB内部端口与显示设备的USB外部端口连通的方式有很多，例如：
显示设备通过开关逻辑控制单元，给切换开关发出逻辑信号命令，切换开关切换到机顶盒模块的USB内部端口；显示设备将机顶盒模块的USB内部端口与显示设备的USB外部端口连通；其中，与机顶盒模块的USB内部端口连通的USB外部端口可以是部分连通或者全部连通。
在实施中，若USB外部端口有多个，显示设备将电视模块的USB内部端口与多个USB外部端口部分连通或者全部连通，例如:
显示设备的外部USB端口中有外设插入，假如插入外设是U盘，该U盘中存储视频文件。
若电视模块的USB端口与该USB外部端口连通，则显示设备可以对连接的外部设备进行识别，并进行相关操作将电视当前连通的显示通道会同步切换到外部USB端口通道上，实现U盘视频文件的播放；若电视芯片的USB端口没有与该USB外部端口连通，则电视当前显示通道没有显示插入U盘信息。
若显示设备的USB外部端口有多个，且多个USB外部端口均有外设插入，假如插入的外设分别是U盘1、U盘2、U盘3等，其中U盘1中存储的是视频文件，U盘2存储的是文档、U盘3存储的是图片文件。
若电视模块的USB端口与该多个USB外部端口都连通，则显示设备可以对连接的外部设备进行识别，并进行相关操作选择是否观看视频文件、或者文档、或者图片文件；而电视当前连通的显示通道会同步切换到电视机的外部USB端口通道上，实现U盘1视频文件、U盘2文档、U盘3图片文件中某一个文件的播放。
若电视模块的USB端口只与该多个USB外部端口的某个连通，显示设备只对某个连接的设备进行识别，并进行相关操作观看连接的某个文件，而电视当前连通的显示通道会同步切换到电视机的外部USB端口通道上，实现某个连接U盘文件的播放。若电视模块的USB端口没有与该多个USB外部端口连通，则电视当前显示通道没有显示插入的多个U盘信息。
在实施中，若USB外部端口有多个，显示设备将所述机顶盒模块的USB内部端口与多个USB外部端口部分连通或者全部，例如：
显示设备的外部USB端口中有外设插入，假如插入外设是U盘，该U盘中存储视频文件。
若机顶盒模块的USB端口与该USB外部端口连通，则显示设备可以对连接的外部设备进行识别，并进行相关操作将电视当前连通的显示通道会同步切换到外部USB端口通道上，实现U盘视频文件的播放；若电视芯片的USB端口没有与该USB外部端口连通，则电视当前显示通道没有显示插入U盘信息。
若显示设备的USB外部端口有多个，且多个USB外部端口均有外设插入，假如插入的外设分别是U盘1、U盘2、U盘3等，其中U盘1中存储的是视频文件，U盘2存储的是文档、U盘3存储的是图片文件。
若机顶盒模块的USB端口与该多个USB外部端口都连通，则显示设备可以对连接的外部设备进行识别，并进行相关操作选择是否观看视频文件、或者文档、或者图片文件；而电视当前连通的显示通道会同步切换到电视机的外部USB端口通道上，实现U盘1视频文件、U盘2文档、U盘3图片文件中某一个文件的播放。
若机顶盒模块的USB端口只与该多个USB外部端口的某个连通，显示设备只对某个连接的设备进行识别，并进行相关操作观看连接的某个文件，而电视当前连通的显示通道会同步切换到电视机的外部USB端口通道上，实现某个连接U盘文件的播放。若机顶盒模块的USB端口没有与该多个USB外部端口连通，则电视当前显示通道没有显示插入的多个U盘信息。
现有技术中，若电视当前连接的显示通道是TV通道，如图1所示，电视芯片连接的4路USB端口5-8上插入USB外设时，电视软件程序可以进行识别状态，并进行相关处理，但是如果在TV通道时，USB端口1-4有插入USB外设时，电视软件程序将不能进行相关处理，而且没有相关显示信息。
若电视当前连接的显示通道是机顶盒模块1通道，如图1所示，USB端口1-4有插入USB外设时，电视软件程序可以进行识别状态，并进行相关处理，但是若在电视芯片连接的4路USB端口5-8上插入USB外设时，电视软件程序将不能进行相关处理，而且没有相关显示信息。
本申请实施例机顶盒模块的USB内部端口与USB外部端口连通时，在全部连通的情况下，可以实现对USB外部端口全部识别，并进行相关处理；这样不管插入哪个USB口都可以读取外部设备，不会出现上述现有技术中必须插入与显示通道对于USB口才能读取 外部设备的情况。
通过以上所述的流程图以及方案的描述，由于电视机USB外部端口既可以与电视模块的USB内部端口连通，也可以与机顶盒模块的USB内部端口连通，减少了电视机USB外部端口的数量，节省了电视机主板空间。
本申请实施例所述显示设备可以但不限于电视机。
为了更好地理解本申请实施例一提供的技术方案，下面以电视开机流程为例，如图3所示，具体说明本申请一种连通USB端口方法。
步骤301、电视开机启动。
步骤301中，电视接通电源，采用电视主机启动或者遥控板启动均可以。
步骤302、电视主程序启动，并进行初始化。
步骤303、电视主程序判断电视当前连通的显示通道是否在TV通道；若在TV通道，执行步骤304，若不在TV通道，执行步骤305。
步骤303中，电视当前连通的显示通道包括：普通电视通道(接收模拟信号)、有线电视通道、IPTV网络电视通道、单纯的游戏通道或者DVD播放通道等。
步骤304、电视主程序通过逻辑控制信号通过逻辑开关控制单元，给切换开关发出逻辑信号命令，切换开关切换到电视芯片的USB端口上；实现了电视芯片的USB端口与电视机的USB外部端口的连通，其中与电视模块的USB端口连通的USB外部端口可以是部分连通或者全部连通。
步骤304中，若操作者通过遥控器点击选择观看普通电视(接收模拟信号)，则电视当前连通的显示通道为普通电视。
步骤305、电视芯片通过插入信号检测单元，判断当前连通的显示通道对应的接口是否有机顶盒插入；若有机顶盒插入，执行步骤306；若没有机顶盒插入，执行步骤304。
步骤306、电视开关逻辑控制信号通过所述逻辑开关控制单元，给切换开关发出逻辑信号命令；切换开关切换到机顶盒USB信号上。
该步骤306中，电视芯片通过插入信号检测单元，判断当前连通的显示通道对应的接口位置上有机顶盒模块插入，电视芯片将确定的机顶盒模块为需要使用的USB的内部模块，电视芯片通过开关逻辑控制单元，给切换开关发出逻辑信号命令，使得开关切换到确定的机顶盒模块的内部USB端口上，从而实现确定的机顶盒模块的内部USB信号与对应的USB外部端口的连通。
若机顶盒有多个，电视芯片会通过插入信号检测单元，判断当前连通的显示通道对应的接口位置上是否有机顶盒模块插入；即操作者选择观看的不是普通电视，而是其他的有 线电视、IPTV网络电视、单纯的游戏或者DVD播放器等；操作者通过遥控器点击，电视当前连通的显示通道会根据电视机的显示画面变化情况判断有线电视、IPTV网络电视、单纯的游戏或者DVD播放器是否有对应的信号连通。
本申请实施例中机顶盒模块的USB内部端口与USB外部端口的连通，在全部连通的情况下，可以实现对USB外部端口全部识别，并进行相关处理；采用上述方法解决了USB端口数量太多的问题。
通过以上所述的流程图以及方案的描述，由于电视机USB外部端口既可以与电视模块的USB内部端口连通，也可以与机顶盒模块的USB内部端口连通，减少了电视机USB外部端口的数量，节省了电视机主板空间。
实施例三
本申请实施例三提供了一种连通USB端口的设备，如图4所示，该连通USB端口的设备包括：电视模块40、至少一个机顶盒模块41和控制芯片42。
控制芯片42，用于查看需要使用USB的内部模块；若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；若需要使用USB的内部模块为机顶盒模块，则将机顶盒模块的USB内部端口与显示设备的USB外部端口连通。
其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。
控制芯片包括插入信号检测单元和逻辑控制开关单元，插入信号检测单元可以通过检测机顶盒模块的插入信号识别到机顶盒模块对应的接口位置。
机顶盒模块41可以通过各种有线、无线途径连接到广电网络或者局域网、广域网的各类机顶盒，可以是具备游戏、娱乐、安防专有功能的模块。此类机顶盒模块除了具有原有传统的功能外，还带有USB内部端口，通过USB内部端口可以与USB外部端口连通。机顶盒与电视系统连接后，向电视系统提供插入信号。
电视模块40带有USB内部端口，通过电视模块的USB内部端口可以与USB外部端口连通。
在实施中，控制芯片42在当前连通的显示通道为TV通道时，确定使用USB的内部模块为电视模块；在当前连通的显示通道为非TV通道时，确定需要使用USB的内部模块为机顶盒模块。
在实施中，显示设备的显示通道可以有很多，例如：显示设备的显示通道可以是普通电视通道(接收模拟信号)、有线电视的通道、IPTV网络通道、单纯的游戏功能通道、DVD 播放器通道等。
如果本申请实施例显示设备中的机顶盒模块有多个，且确定需要将机顶盒模块的USB内部端口与显示设备的USB外部端口连通，则控制芯片42进一步根据显示通道和机顶盒模块的对应关系，确定当前连通的显示通道对应的机顶盒模块，将确定的机顶盒模块的USB内部端口与USB外部端口连通。
在实施中，若机顶盒模块有多个，这些机顶盒模块可以是有线电视机顶盒、IPTV网络电视机顶盒、单纯的游戏机顶盒等，显示设备会通过插入信号检测单元，判断当前连通的显示通道对应的接口位置，有线电视、IPTV网络电视、单纯的游戏是否有对应的信号连接(模块插入)。
可选的，控制芯片42将电视模块的USB内部端口与显示设备的USB外部端口连通或将机顶盒模块的USB内部端口与显示设备的USB外部端口连通时，可以通过一个切换开关实现。
如图5A所示，本申请实施例四显示设备还可以进一步包括：切换开关43。
切换开关，用于在所述控制芯片的控制下，将所述电视模块或所述机顶盒模块与USB外部端口连通。
可选的，所述控制芯片42具体用于：
若需要使用USB的内部模块为电视模块，则控制所述切换开关将所述电视模块与USB外部端口连通。
若需要使用USB的内部模块为机顶盒模块，则控制所述切换开关将所述机顶盒模块与USB外部端口连通。
下面以显示设备包括三个机顶盒模块，一个外部USB端口为例对本申请的方案进行说明。
如图5B所示，本申请实施例五提供设备流程图，机顶盒模块的USB内部端口1-3与电视模块的USB内部端口4都连接到切换开关模块。
具体的，机顶盒模块的USB内部端口1-3的正极性信号D1+～D3+分别与开关控制单元1连接，机顶盒模块的USB内部端口1-3的负极性信号D1-～D3-分别与开关控制单元2连接；电视模块的USB内部端口4的正极性信号D4+分别与开关控制单元1连接，电视模块的USB内部端口的负极性信号D4-分别与开关控制单元2连接。
控制芯片42与切换开关的逻辑控制单元连接。
在实施例中，控制芯片向切换开关中的逻辑控制单元发送逻辑信号命令；逻辑控制单元根据逻辑信号命令控制开关控制单元1将D1+～D4+中的一条链路连通，以及控制开关控 制单元2将D1-～D4-中的一条链路连通。
如果将D4+与控制开关控制单元1连通，将控制开关控制单元2与D4-连通，就实现了将电视芯片的USB内部端口4与USB外部端口连通。
比如，当前若要连通机顶盒模块1，则控制芯片向切换开关中的逻辑控制单元发送逻辑信号命令；逻辑控制单元根据逻辑信号命令控制开关控制单元1将D1+连通，以及控制开关控制单元2将D1-连通。就实现了将机顶盒1的USB内部端口1与USB外部端口连通。
需要说明的是，上述图5B通过切换开关将内部USB端口与外部USB端接口连通只是一种实现方式，其他能够将两个USB端口连通的方式都适用本申请实施例。
在实施中，一个显示设备可以有一个USB外部端口，也可以有多个USB外部端口。如果有多个USB外部端口，多个USB外部端口中的部分可以是机顶盒模块和电视模块共享的USB外部端口，其余是机顶盒模块和电视模块专属的USB外部端口。比如USB外部端口有4个，可以两个是共享的USB外部端口，一个是电视模块专属的USB外部端口，一个是机顶盒模块专属的USB外部端口。
可选的，所有的USB外部端口都是共享的USB外部端口。如图6A所示，本申请实施例六的显示设备还可以进一步包括：USB分路器44。
USB分路器44，用于将所述切换开关和每个USB外部端口连通。
下面以显示设备包括三个机顶盒模块，一个外部USB分路器，和多个外部USB端口为例对本申请的方案进行说明。
如图6B所示，本申请实施例七提供的设备流程图，机顶盒模块的USB内部端口1-3与电视模块的USB内部端口4都连接到切换开关。
具体的，机顶盒模块的USB内部端口1-3的正极性信号D1+～D3+分别与开关控制单元1连接，机顶盒模块的USB内部端口1-3的负极性信号D1-～D3-分别与开关控制单元2连接；电视模块的USB内部端口4的正极性信号D4+分别与开关控制单元1连接，电视模块的USB内部端口的负极性信号D4-分别与开关控制单元2连接。
控制芯片62与切换开关的逻辑控制单元连接。
在实施例中，控制芯片向切换开关中的逻辑控制单元发送逻辑信号命令；逻辑控制单元根据逻辑信号命令控制开关控制单元1将D1+～D4+中的一条链路连通，以及控制开关控制单元2将D1-～D4-中的一条链路连通。
如果将D4+与控制开关控制单元1连通，将控制开关控制单元2与D4-连通，切换开关将输出的一组USB信号UD+和UD-，连接到USB分路器中，因为USB分路器连接多 路USB外部接端口。就实现了将电视芯片的USB内部端口4与USB外部端口连通。
比如，当前若要连通机顶盒模块1，则控制芯片向切换开关中的逻辑控制单元发送逻辑信号命令；逻辑控制单元根据逻辑信号命令控制开关控制单元1将D1+连通，以及控制开关控制单元2将D1-连通。切换开关将输出的一组USB信号UD+和UD-，连接到USB分路器中，从而实现了将机顶盒1的USB内部端口1与USB外部端口连通。
在实施中，USB分路器可以连通一个USB外部端口，也可以连通多个USB外部端口。如果有多个USB外部端口，多个USB外部端口中的部分可以是机顶盒模块和电视模块共享的USB外部端口，其余是机顶盒模块和电视模块专属的USB外部端口。比如USB外部端口有4个，可以两个是共享的USB外部端口，一个是电视模块专属的USB外部端口，一个是机顶盒模块专属的USB外部端口。
通过以上所述的流程图以及方案的描述，由于电视机USB外部端口既可以与电视模块的USB内部端口连通，也可以与机顶盒模块的USB内部端口连通，减少了电视机USB外部端口的数量，节省了电视机主板空间；
应当理解，以上连通USB端口的设备包括的模块仅为根据该设备装置实现的功能进行的逻辑划分，实际应用中，可以进行上述单元的叠加或拆分。并且该实施例提供的连通USB端口的设备所实现的功能与上述实施例提供的连通USB端口的方法一一对应，对于该设备所实现的更为详细的处理流程，在上述方法实施例一中已做详细描述，此处不再详细描述。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (11)

  1. 一种连通通用串行总线USB端口的方法，其特征在于，该方法包括：
    显示设备查看需要使用USB的内部模块；
    若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；
    若需要使用USB的内部模块为机顶盒模块，则将机顶盒模块的USB内部端口与显示设备的USB外部端口连通；
    其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。
  2. 如权利要求1所述的方法，其特征在于，所述显示设备查看需要使用USB的内部模块，包括：
    所述显示设备根据当前连通的显示通道，查看需要使用的USB内部模块。
  3. 如权利要求2所述的方法，其特征在于，所述显示设备根据显示通道当前的通道，查看需要使用USB的内部模块，包括：
    所述显示设备在当前连通的显示通道为电视TV通道时，确定使用USB的内部模块为电视模块；
    所述显示设备在当前连通的显示通道为非TV通道时，确定需要使用的USB内部模块为机顶盒模块。
  4. 如权利要求3所述的方法，其特征在于，所述显示设备将机顶盒模块的USB内部端口与显示设备的USB外部端口连通，包括：
    所述显示设备根据显示通道和机顶盒模块的对应关系，确定当前连通的显示通道对应的机顶盒模块；
    所述显示设备将确定的机顶盒模块的USB内部端口与USB外部端口连通。
  5. 如权利要求1～4任一所述的方法，其特征在于，所述显示设备将电视模块的USB内部端口与显示设备的USB外部端口连通，包括：
    若USB外部端口有多个，所述显示设备将电视模块的USB内部端口分别与每个USB外部端口连通；
    所述显示设备将机顶盒模块的USB内部端口与显示设备的USB外部端口连通，包括：
    若USB外部端口有多个，所述显示设备将所述机顶盒模块的USB内部端口分别与每个USB外部端口连通。
  6. 一种连通通用串行总线USB端口的设备，包括电视模块和机顶盒模块，其特征在 于，该设备还包括：
    控制芯片，用于在显示设备在开机后，查看需要使用USB的内部模块；若需要使用USB的内部模块为电视模块，则将电视模块的USB内部端口与显示设备的USB外部端口连通；若需要使用USB的内部模块为机顶盒模块，则将机顶盒模块的USB内部端口与显示设备的USB外部端口连通；
    其中，与电视模块的USB内部端口连通的USB外部端口，以及与机顶盒模块的USB内部端口连通的USB外部端口部分或全部相同。
  7. 如权利要求6所述的显示设备，其特征在于，所述控制芯片具体用于：
    根据显示通道当前的通道，查看需要使用USB的内部模块。
  8. 如权利要求7所述的显示设备，其特征在于，所述控制芯片具体用于：
    在当前连通的显示通道为电视TV通道时，确定使用USB的内部模块为电视模块；
    在当前连通的显示通道为非TV通道时，确定需要使用USB的内部模块为机顶盒模块。
  9. 如权利要求8所述的显示设备，其特征在于，所述控制芯片具体用于：
    根据显示通道和机顶盒模块的对应关系，确定当前连通的显示通道对应的机顶盒模块；将确定的机顶盒模块的USB内部端口与USB外部端口连通。
  10. 如权利要求6所述的显示设备，其特征在于，所述显示设备还包括：
    切换开关，用于在所述控制芯片的控制下，将所述电视模块或所述机顶盒模块与USB外部端口连通；
    所述控制芯片具体用于：
    若需要使用USB的内部模块为电视模块，则控制所述切换开关将所述电视模块与USB外部端口连通；
    若需要使用USB的内部模块为机顶盒模块，则控制所述切换开关将所述机顶盒模块与USB外部端口连通。
  11. 如权利要求10所述的显示设备，其特征在于，所述显示设备有多个USB外部端口；
    所述显示设备还包括：
    USB分路器，用于将所述切换开关和每个USB外部端口连通。
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