WO2013117099A1 - 一种机顶盒、机顶盒供电方法及机顶盒供电系统 - Google Patents

一种机顶盒、机顶盒供电方法及机顶盒供电系统 Download PDF

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Publication number
WO2013117099A1
WO2013117099A1 PCT/CN2012/086036 CN2012086036W WO2013117099A1 WO 2013117099 A1 WO2013117099 A1 WO 2013117099A1 CN 2012086036 W CN2012086036 W CN 2012086036W WO 2013117099 A1 WO2013117099 A1 WO 2013117099A1
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WO
WIPO (PCT)
Prior art keywords
top box
power supply
usb interface
set top
voltage
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Application number
PCT/CN2012/086036
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English (en)
French (fr)
Inventor
黄焕岭
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深圳创维数字技术股份有限公司
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Publication of WO2013117099A1 publication Critical patent/WO2013117099A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/63Generation or supply of power specially adapted for television receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4436Power management, e.g. shutting down unused components of the receiver

Definitions

  • the invention relates to the technical field of power supply of a set top box, in particular to a set top box, a set top box power supply method and a set top box power supply system.
  • the existing digital TV set-top box is generally powered by a power supply board or a current adapter for powering the digital set-top box.
  • the technical problem to be solved by the embodiments of the present invention is to provide a set top box, a set top box power supply method, and a set top box power supply system, which can supply power to the set top box through a unified USB interface.
  • an embodiment of the present invention provides a set top box, including a USB interface, a voltage conversion module, and a set top box function module, where:
  • the USB interface is configured to obtain a power supply voltage provided by the USB interface power supply device;
  • the voltage conversion module is configured to convert a power supply voltage obtained by the USB interface, obtain a voltage required by each set top box function module, and provide the voltage The corresponding set-top box function module.
  • the voltage conversion module includes:
  • the boost conversion unit is configured to perform boost conversion on the power supply voltage obtained by the USB interface, and output the converted power supply voltage to the corresponding set top box function module.
  • the voltage conversion module includes: The buck conversion unit is configured to perform buck conversion on the power supply voltage obtained by the USB interface, and output the converted power supply voltage to the corresponding set top box function module.
  • the USB interface includes any one of a standard USB interface, a mini MINI USB interface, or a micro MICRO USB interface.
  • the embodiment of the present invention further provides a power supply method for a set top box, including: obtaining a power supply voltage provided by a USB interface power supply device through a USB interface; converting a power supply voltage obtained by the USB interface, and obtaining a function module of each set top box The required voltage is supplied to the corresponding set-top box function module.
  • the method further includes:
  • a USB interface is provided on the motherboard of the set top box.
  • the step of converting the power supply voltage obtained by the USB interface to obtain the voltage required by each set top box function module includes:
  • the power supply voltage obtained by the USB interface is boosted and converted, and the voltage required by the corresponding set top box function module is obtained and provided to the corresponding set top box function module.
  • the step of converting the power supply voltage obtained by the USB interface to obtain the voltage required by each set top box function module further includes:
  • the power supply voltage obtained by the USB interface is step-down converted to obtain the voltage required by the corresponding set top box function module and provided to the corresponding set top box function module.
  • the embodiment of the present invention further provides a set top box power supply system, including a set top box and a USB interface power supply device, wherein the USB interface power supply device is a power drive device with a USB interface, wherein:
  • the set top box obtains a power supply voltage provided by the USB interface power supply device connected thereto through the USB interface, and converts the obtained power supply voltage through a voltage conversion module to obtain a voltage required by each set top box function module to provide corresponding Set-top box function module.
  • the set top box and the USB interface power supply device are connected by a USB data line.
  • Embodiments of the present invention have the following beneficial effects:
  • the embodiment of the invention provides a USB interface as a power supply interface of the set top box on the main board of the set top box, and supplies power to the set top box through a unified USB interface, which has strong versatility and can share the same USB interface power supply equipment with other household products, to a certain extent. Solved the chaos of the current set-top box power interface and power supply scheme.
  • FIG. 1 is a schematic structural view of a first embodiment of a set top box of the present invention
  • FIG. 2 is a schematic structural view of a second embodiment of a set top box according to the present invention.
  • FIG. 3 is a flow chart of a first embodiment of a power supply method for a set top box according to the present invention
  • FIG. 4 is a flow chart of a second embodiment of a power supply system for a set top box according to the present invention
  • FIG. 5 is a schematic diagram of an embodiment of a power supply system for a set top box according to the present invention.
  • the set top box includes: a USB interface 10, a voltage conversion module 20, and a set top box function module 30, wherein:
  • the USB interface 10 is configured to obtain a power supply voltage provided by a USB interface power supply device.
  • a USB interface is set on the main board of the set top box as a power supply interface of the set top box, and the set top box is powered by the unified USB interface.
  • the USB interface 10 is connected to the USB interface power supply device through a USB cable, and the power supply voltage provided by the USB interface power supply device is used to supply power to the set top box.
  • the USB interface power supply device is a power drive device with a USB interface.
  • the voltage conversion module 20 is configured to supply power to the USB interface 10 The voltage is converted to obtain the voltage required by the functional modules of each set top box and provided to the corresponding set top box function modules.
  • each functional module of the set top box needs different voltage values during operation, and some of the functional modules may have higher voltage values during operation than the power supply voltage obtained by the USB interface 10, and some functional modules.
  • the voltage value required for the operation may be lower than the power supply voltage obtained by the USB interface 10.
  • the voltage conversion module 20 needs to convert the power supply voltage obtained by the USB interface 10 into a function required for each function module of the set top box. The voltage value is such that each functional module of the set top box can operate according to the required voltage value.
  • the set top box function module 30 is configured to operate according to a corresponding voltage value provided by the voltage conversion module 20.
  • set top box function module 30 includes various functional module circuits of the main board, other sub-board functional modules, and front panel functional modules.
  • a USB interface is set on the main board of the set-top box as a unified power supply interface of the set-top box, and the power supply voltage provided by the USB interface power supply device can be obtained by the unified USB interface to supply power to the set-top box.
  • the voltage values required by the various functional modules in the set top box are different when working, and the voltage values required by some functional modules during operation may be higher than the power supply voltage obtained by the USB interface 10,
  • the voltage value required by the function module may be lower than the power supply voltage obtained by the USB interface 10, and the voltage conversion module 20 converts the power supply voltage obtained by the USB interface 10 to obtain each function module.
  • the voltage is supplied to the corresponding function module so that each function module can operate according to the required voltage value.
  • the set-top box in this embodiment provides power supply for the set-top box by setting a unified USB interface.
  • the versatility is strong, and the same USB interface power supply device can be shared with other household products, which solves the confusion of the power supply interface and the power supply scheme of the set-top box to some extent. situation.
  • the set top box includes the USB interface 10, the voltage conversion module 20, and the set top box function module 30 in the schematic diagram of the first embodiment of the set top box.
  • the voltage conversion module 20 specifically includes a boost conversion unit 201 and a drop.
  • Pressure conversion unit 202 wherein:
  • the boost conversion unit 201 is configured to perform boost conversion on the power supply voltage acquired by the USB interface 10, and output the converted power supply voltage to the corresponding set top box function module.
  • the voltage conversion module 20 is fixed on the set top box main board, and includes a plurality of voltage conversion units respectively connected to the respective function modules in the set top box, so that the voltage conversion unit acquires the USB interface 10
  • the supply voltage is subjected to a corresponding voltage conversion to obtain the voltage required by the functional module of the corresponding set top box.
  • the voltage values required by the functional modules of the set top box in the present embodiment are different, and the voltage values required by some functional modules during operation are higher than the power supply voltage values obtained by the USB interface 10, and
  • the function module requires a voltage value lower than the power supply voltage value obtained by the USB interface 10.
  • the voltage conversion unit connected to the functional module is the boost conversion unit 201, and the boost conversion The unit 201 performs boost conversion on the power supply voltage acquired by the USB interface 10, and outputs the converted power supply voltage to such a set top box function module.
  • the buck conversion unit 202 is configured to perform buck conversion on the power supply voltage obtained by the USB interface 10, and output the converted power supply voltage to the corresponding set top box function module.
  • the voltage conversion unit connected to the functional module is the buck conversion unit 202, and the The voltage conversion unit 202 performs step-down conversion on the power supply voltage obtained by the USB interface 10, and outputs the converted power supply voltage to such a set top box function module.
  • set top box function module 30 includes various functional module circuits of the main board, other sub-board functional modules, and front panel functional modules.
  • a USB interface is set as a power supply interface of the set top box on the main board of the set top box, and the set top box is powered by the unified USB interface.
  • the USB interface 10 is connected to the power supply device with the USB interface through the USB cable to obtain the power supply voltage provided by the USB interface power supply device.
  • the functional values required by the functional modules of the set top box are different when working, and the voltage values required by some functional modules during operation are higher than the supply voltage values obtained by the USB interface 10, and some functional modules are available.
  • the voltage value required for the operation is lower than the value of the power supply voltage obtained by the USB interface 10, and the voltage conversion module 20 is fixed on the main board of the set-top box, and includes a plurality of voltage conversion units, and each of the voltage conversion units respectively And each function module of the set top box is connected to perform corresponding voltage conversion on the power supply voltage obtained by the USB interface module 10, and the voltage required by each set top box function module is obtained, so that the corresponding set top box function module can work normally.
  • the voltage conversion module 20 includes a boost conversion unit 201 and a buck conversion unit 202, wherein the boost conversion unit 201 performs boost conversion on the power supply voltage acquired by the USB interface 10, and converts the obtained The power supply voltage is output to the corresponding set top box function module, and the buck conversion unit 202 performs step-down conversion on the power supply voltage obtained by the USB interface 10, and outputs the converted power supply voltage to the corresponding set top box function module.
  • FIG. 3 is a flowchart of a first embodiment of a method for powering a set top box according to the present invention.
  • the method includes:
  • a USB interface is disposed on the main board of the set top box as a power supply interface of the set top box, and the set top box is powered by the unified USB interface.
  • the USB interface acquires the power supply voltage provided by the USB interface power supply device through the USB connection line.
  • a set-top box that uses a USB interface as a power supply interface is highly versatile and can be used as a USB-connected power supply device for other household products.
  • the USB interface may be any one of a standard USB interface, a MINI USB interface, or a MICRO USB interface.
  • the function values required by the functional modules of the set-top box are different during operation. Some of the functional modules may have higher voltage values during operation than the power supply voltage obtained by the USB interface, and some functional modules are in operation. The required voltage value may be lower than the power supply voltage obtained by the USB interface.
  • the voltage conversion module needs to supply power from the USB interface.
  • the voltage is converted to obtain the voltage required by each functional module of the set top box so that the functional modules of the set top box can work normally.
  • the voltage conversion module is fixed on the set top box main board, the voltage conversion module includes a plurality of voltage conversion units, and the voltage conversion unit is respectively connected with each functional module in the set top box, and the power supply obtained by the USB interface is obtained.
  • the voltage is subjected to a corresponding voltage conversion, which includes boost conversion and buck conversion, that is, different voltage values required for each functional module of the set top box are converted by different voltage conversion units.
  • the USB interface power supply device is a power supply device with a USB interface capable of providing power supply.
  • the set-top box in the embodiment of the present invention is configured to set a USB interface as a power supply interface of the set-top box on the main board of the set-top box, to obtain a power supply voltage provided by the USB interface power supply device, where the USB interface can be a standard USB interface, a MINI USB interface or a MICRO USB interface. Any one.
  • the voltage values required for each function module in the set top box are different, and the voltage conversion module converts the power supply voltage obtained by the USB interface, and outputs the converted power supply voltage to the power supply voltage.
  • the corresponding set top box function module so that the function module of the corresponding set top box can work according to the required voltage value.
  • the set-top box in the embodiment of the present invention is configured to provide a USB interface as a power supply interface of the set-top box on the main board of the set-top box, and power the set-top box through a unified USB interface, thereby ensuring that the set-top box can share the same USB interface power supply device as other household products, thereby reducing
  • the waste of resources solves the confusion of the power supply interface and power supply scheme of the set-top box to some extent.
  • FIG. 4 is a flowchart of a second embodiment of a method for powering a set top box according to the present invention.
  • the method includes:
  • the USB interface is set as the power supply interface of the set top box on the main board of the set top box, and the set top box is powered by the unified USB interface, so as to obtain the power supply voltage provided by the USB interface power supply device.
  • the USB interface may be any one of a standard USB interface, a MINI USB interface, or a MICRO USB interface, where the USB The interface obtains the power supply voltage provided by the USB interface power supply device through the USB cable.
  • Obtain a power supply voltage provided by a USB interface power supply device through a USB interface Specifically, a USB interface is set on the main board of the set top box as a power supply interface of the set top box, and the USB interface is connected to the power supply device of the USB interface through the USB connection line, and the power supply voltage provided by the USB interface power supply device is obtained through the USB data line to provide the power supply voltage for the set top box.
  • the USB interface is used as the unified power supply interface of the set-top box, which ensures that the set-top box can share the same USB interface power supply equipment as other household products.
  • S203 Perform boost conversion on the power supply voltage obtained by the USB interface, and output the converted power supply voltage to the corresponding set top box function module.
  • the function voltages of the function modules of the set top box are different when working, and when the function voltage required by the function module is higher than the power supply voltage obtained by the USB interface, S203 acquires S202.
  • the power supply voltage provided by the USB interface power supply device is boosted and converted, and the converted power supply voltage is output to the corresponding set top box function module.
  • S204 Perform step-down conversion on the power supply voltage obtained by the USB interface, and output the converted power supply voltage to the corresponding set top box function module.
  • S204 performs step-down conversion of the power supply voltage provided by the USB interface power supply device acquired by S202, and The converted power supply voltage is output to the corresponding set top box function module.
  • the set-top box of the embodiment of the present invention is configured to set a USB interface as a power supply interface of the set-top box on the main board of the set-top box, and supply power to the set-top box through a unified USB interface, so as to obtain a power supply voltage provided by the USB interface power supply device,
  • the USB interface can be a standard USB interface, Any of the MINI USB interface or the MICRO USB interface.
  • the voltage values required for each function module in the set top box are different, and the voltage value required by some set top box function modules is higher than the power supply voltage obtained by the USB interface, and some set top box function modules are The required voltage value is lower than the power supply voltage obtained by the USB interface, and the voltage conversion module performs corresponding voltage conversion on the power supply voltage obtained by the USB interface, and obtains the voltage required by the corresponding functional module of the set top box, and converts the obtained voltage.
  • the electrical voltage is output to a corresponding set top box functional module, wherein the voltage conversion includes boost conversion and buck conversion.
  • the set-top box in the embodiment of the present invention is configured to provide a USB interface as a power supply interface of the set-top box on the main board of the set-top box, and power the set-top box through a unified USB interface, thereby ensuring that the set-top box can share the same USB interface power supply device as other household products, thereby reducing
  • the waste of resources solves the confusion of the power supply interface and power supply scheme of the set-top box to some extent.
  • the set top box power supply system includes a set top box 01 and a USB interface power supply device 02, wherein:
  • the set top box 01 obtains a power supply voltage provided by the USB interface power supply device connected thereto through the USB interface, and converts the obtained power supply voltage through a voltage conversion module fixed on the main board of the set top box, and converts the obtained power supply voltage. Output to the corresponding set-top box function module.
  • the USB interface power supply device 02 is a power drive device with a USB interface, and the set top box 01 obtains the power supply voltage provided by the USB interface power supply device 02 through the USB data line.
  • set top box 01 and the USB interface power supply device 02 are connected through a USB data line, but the special condition that the set top box 01 and the USB interface power supply device 02 are directly connected without using a USB data line is not excluded. .
  • the set-top box in the embodiment of the present invention is a unified power supply interface using a USB interface as a set-top box, which ensures that the set-top box can drive the same power supply device as the other USB products, so that the power board/DC power adapter in the prior art no longer becomes
  • the standard configuration of the set-top box helps to reduce the waste of resources and solves the confusion of the power supply interface and power supply scheme of the set-top box to some extent.
  • the present invention can be implemented by means of software plus a necessary hardware platform, and of course, all can be implemented by hardware. Based on such understanding, all or part of the technical solution of the present invention contributing to the background art may be embodied in the form of a software product.
  • the software product may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform various embodiments of the present invention or The method described in certain sections of the examples.

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Abstract

本发明公开了一种机顶盒、机顶盒供电方法及机顶盒供电系统,其中一种机顶盒,包括USB接口、电压转换模块、机顶盒功能模块,其中:所述USB接口,用于获取USB接口供电设备提供的供电电压;所述电压转换模块,用于对所述USB接口获取的供电电压进行转换,得到每个机顶盒功能模块所需的电压并提供给相应的机顶盒功能模块。本发明的目的在于提供一种机顶盒、机顶盒供电方法及机顶盒供电系统,可利用USB接口作为机顶盒的供电接口,保证了机顶盒可与其他家用产品公用相同的USB接口供电设备,减少了资源的浪费,在一定程度上解决了机顶盒电源接口和供电方案的混乱局面。

Description

一种机顶盒、 机顶盒供电方法及机顶盒供电系统 技术领域
本发明涉及机顶盒供电技术领域, 尤其涉及一种机顶盒、机顶盒 供电方法及机顶盒供电系统。 背景技术
目前,现有的数字电视机顶盒的供电方式一般是通过电源板或电 流适配器为数字机顶盒供电的。
然而现有技术中,由于各个厂家生产的机顶盒在功耗、电源拓朴、 电源方案、 客服化、 需满足的认证等方面存在差异, 导致存在多种不 同的电源板或直流适配器为机顶盒供电,没有一个相对统一的供电接 口标准, 这样不仅会造成公共资源的浪费, 还给生产厂家和用户的使 用带来了很多的不便和使用限制。 发明内容
本发明实施例所要解决的技术问题在于, 提供一种机顶盒、机顶 盒供电方法及机顶盒供电系统, 可通过统一的 USB接口为机顶盒供 电。
为了解决上述技术问题, 本发明实施例提供了一种机顶盒, 包括 USB接口、 电压转换模块、 机顶盒功能模块, 其中:
所述 USB接口, 用于获取 USB接口供电设备提供的供电电压; 所述电压转换模块, 用于对所述 USB接口获取的供电电压进行 转换,得到每个机顶盒功能模块所需的电压并提供给相应的机顶盒功 能模块。
其中, 所述电压转换模块包括:
升压转换单元, 用于对所述 USB接口获取的供电电压进行升压 转换, 并将转换得到的供电电压输出至相应机顶盒功能模块。
其中, 所述电压转换模块包括: 降压转换单元, 用于对所述 USB接口获取的供电电压进行降压 转换, 并将转换得到的供电电压输出至相应机顶盒功能模块。
其中, 所述 USB接口包括标准 USB接口、 迷你 MINI USB接口 或微型 MICRO USB接口中任一种。
相应地, 本发明实施例还提供了一种机顶盒供电方法, 包括: 通过 USB接口获取 USB接口供电设备提供的供电电压; 对所述 USB接口获取的供电电压进行转换, 得到每个机顶盒功 能模块所需的电压并提供给相应的机顶盒功能模块。
其中,所述通过 USB接口获取 USB接口供电设备提供的供电电 压之前, 还包括:
在所述机顶盒的主板上设置 USB接口。
其中, 所述对所述 USB接口获取的供电电压进行转换, 得到每 个机顶盒功能模块所需的电压的步骤包括:
对所述 USB接口获取的供电电压进行升压转换, 得到相应机顶 盒功能模块所需的电压并提供给相应的机顶盒功能模块。
其中, 所述对所述 USB接口获取的供电电压进行转换, 得到每 个机顶盒功能模块所需的电压的步骤还包括:
对所述 USB接口获取的供电电压进行降压转换, 得到相应机顶 盒功能模块所需的电压并提供给相应的机顶盒功能模块。
相应地, 本发明实施例还提供了一种机顶盒供电系统, 包括机顶 盒, USB接口供电设备, 所述 USB接口供电设备是自身带有 USB接 口的电源驱动设备, 其中:
所述机顶盒通过 USB接口获取与之相连的 USB接口供电设备所 提供的供电电压,并通过电压转换模块对所述获取到的供电电压进行 转换,得到每个机顶盒功能模块所需的电压提供给相应的机顶盒功能 模块。
其中,所述机顶盒和所述 USB接口供电设备通过 USB数据线相 连接。
实施本发明实施例, 具有如下有益效果: 本发明实施例通过在机顶盒主板上设置 USB接口作为机顶盒的 供电接口, 通过统一的 USB接口为机顶盒供电, 其通用性强, 并可 与其他家用产品公用相同的 USB接口供电设备, 在一定程度上解决 了目前机顶盒电源接口和供电方案的混乱局面。 附图说明
图 1为本发明机顶盒的第一实施例的结构示意图;
图 2为本发明机顶盒的第二实施例的结构示意图;
图 3为本发明的机顶盒供电方法的第一实施例的流程图; 图 4为本发明的机顶盒供电方法的第二实施例的流程图; 图 5为本发明的机顶盒供电系统的实施例示意图。 具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方 案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部 分实施例, 而不是全部的实施例。 基于本发明中的实施例, 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, 都属于本发明保护的范围。
请参见图 1 , 为本发明机顶盒的第一实施例的结构示意图。 如图 1所示, 所述机顶盒包括: USB接口 10、 电压转换模块 20、 机顶盒 功能模块 30, 其中:
所述 USB接口 10,用于获取 USB接口供电设备提供的供电电压。 具体的,在机顶盒的主板上设置 USB接口作为机顶盒供电接口, 通过统一的 USB接口为机顶盒供电。 当需要给所述机顶盒供电时, 所述 USB接口 10通过 USB连接线与所述 USB接口供电设备相连接, 获取所述 USB接口供电设备提供的供电电压为所述机顶盒供电。 在 本实施例中,所述 USB接口供电设备是自身带有 USB接口的电源驱 动设备。
所述电压转换模块 20, 用于对所述 USB接口 10获取的供电电 压进行转换,得到每个机顶盒的功能模块所需的电压并提供给相应的 机顶盒功能模块。
具体的,所述机顶盒的各个功能模块在工作时所需要的电压值是 不同的, 有的功能模块在工作时所需的电压值可能高于 USB接口 10 所获取的供电电压,有的功能模块在工作时所需要的电压值可能低于 USB接口 10所获取的供电电压, 此时电压转换模块 20需要将所述 USB接口 10获取到的供电电压转换为机顶盒的各功能模块工作时所 需要的电压值,以便机顶盒的各个功能模块能够根据所需的电压值进 行工作。
所述机顶盒功能模块 30, 用于根据所述电压转换模块 20提供的 相应的电压值进行工作。
需要说明的是, 所述机顶盒功能模块 30包括主板各功能模块电 路, 其他副板功能模块以及前面板功能模块。
本发明实施例是在机顶盒主板上设置 USB接口作为机顶盒统一 的供电接口,可通过统一的 USB接口获取 USB接口供电设备提供的 供电电压为机顶盒供电。在本发明实施例中, 机顶盒中的各个功能模 块在工作时所需要的电压值是不同的,有的功能模块在工作时所需的 电压值可能高于 USB接口 10所获取的供电电压,有的功能模块在工 作时所需要的电压值可能低于 USB接口 10所获取的供电电压,而电 压转换模块 20就是对所述 USB接口 10获取的供电电压进行转换, 获取每个功能模块所需的电压并提供给相应的功能模块,以便各个功 能模块能够根据所需的电压值进行工作。本实施例中的机顶盒通过设 置统一的 USB接口为机顶盒供电, 其通用性强, 并可与其他家用产 品公用相同的 USB接口供电设备, 在一定程度上解决了目前机顶盒 电源接口和供电方案的混乱局面。
请参见图 2, 为本发明的机顶盒的第二实施例的结构示意图。 如 图 2所示,所述机顶盒包括了上述机顶盒的第一实施例的结构示意图 中的: USB接口 10、 电压转换模块 20以及机顶盒功能模块 30。 本 实施例中, 所述电压转换模块 20具体包括升压转换单元 201以及降 压转换单元 202, 其中:
升压转换单元 201 , 用于对所述 USB接口 10获取的供电电压进 行升压转换, 并将转换得到的供电电压输出至相应机顶盒功能模块。
具体的, 所述电压转换模块 20是固定在机顶盒主板上, 包括若 干个电压转换单元,所述各个电压转换单元分别和机顶盒中各个功能 模块相连接,以便所述电压转换单元对 USB接口 10获取的供电电压 进行相应的电压转换得到相应机顶盒的功能模块所需的电压。在本实 施例中的机顶盒的各功能模块在工作时所需要的电压值是不同的,有 的功能模块在工作时所需的电压值高于所述 USB接口 10获取的供电 电压值,而有的功能模块在工作时所需要的电压值低于所述 USB接口 10获取的供电电压值。
当所述功能模块在工作时所需的电压值高于所述 USB接口 10获 取的供电电压值时,与这类功能模块相连接的电压转换单元为升压转 换单元 201 , 所述升压转换单元 201是对所述 USB接口 10获取到的 供电电压进行升压转换,并将转换得到的供电电压输出至这类机顶盒 功能模块。
降压转换单元 202, 用于对所述 USB接口 10获取的供电电压进 行降压转换, 并将转换得到的供电电压输出至相应机顶盒功能模块。
具体的,当机顶盒功能模块在工作时所需的电压值低于所述 USB 接口 10获取的供电电压值时, 与这类功能模块相连接的电压转换单 元为降压转换单元 202, 所述降压转换单元 202是对所述 USB接口 10 获取到的供电电压进行降压转换, 并将转换得到的供电电压输出 至这类机顶盒功能模块。
需要说明的是, 所述机顶盒功能模块 30包括主板各功能模块电 路, 其他副板功能模块以及前面板功能模块。
本发明实施例通过在机顶盒的主板上设置 USB接口作为机顶盒 的供电接口, 通过统一的 USB接口为机顶盒供电。 当需要给机顶盒 供电时, 所述 USB接口 10通过 USB连接线与带 USB接口的供电设 备相连接, 获取 USB接口供电设备提供的供电电压。 在本发明实施 例中,机顶盒的各功能模块在工作时所需要的电压值是不同的,有的 功能模块在工作时所需的电压值高于所述 USB接口 10获取的供电电 压值, 而有的功能模块在工作时所需要的电压值低于所述 USB接口 10获取的供电电压值, 而所述电压转换模块 20是固定在机顶盒主板 上的, 包含了若干了电压转换单元,每个电压转换单元分别和机顶盒 各功能模块相连接,以便对 USB接口模块 10获取的供电电压进行相 应的电压转换,得到每个机顶盒功能模块所需的电压, 以便相应的机 顶盒功能模块能够正常工作。 也就是说, 所述电压转换模块 20包括 了升压转换单元 201和降压转换单元 202,其中所述升压转换单元 201 对 USB接口 10获取的供电电压进行升压转换,并将转换得到的供电 电压输出至相应机顶盒功能模块, 所述降压转换单元 202对 USB接 口 10获取的供电电压进行降压转换, 并将转换得到的供电电压输出 至相应机顶盒功能模块。
请参见图 3 ,为本发明的机顶盒供电方法的第一实施例的流程图。 所述方法包括:
5101 , 通过 USB接口获取 USB接口供电设备提供的供电电压。 具体的, 在所述机顶盒的主板上设置 USB接口作为机顶盒的供 电接口, 通过统一的 USB接口为机顶盒供电。 当机顶盒需要供电时, 所述 USB接口通过 USB连接线获取所述 USB接口供电设备提供的 供电电压。 采用 USB接口作为供电接口的机顶盒通用性强, 可与其 他家用产品公用 USB接口供电设备。 在本发明实施例中, 所述 USB 接口可以为标准 USB接口、 MINI USB接口或 MICRO USB接口中任 一种。
5102, 对所述 USB接口获取的供电电压进行转换, 得到每个机 顶盒功能模块所需的电压并提供给相应的机顶盒功能模块。
具体的, 机顶盒的各功能模块在工作时所需要的电压值是不同 的, 有的功能模块在工作时所需的电压值可能高于 USB接口获取的 供电电压, 有的功能模块在工作时所需要的电压值可能低于 USB接 口获取的供电电压, 此时电压转换模块需要将 USB接口获取的供电 电压进行转换,得到机顶盒的各功能模块所需的电压以便机顶盒的各 功能模块能够正常工作。 在本实施例中, 电压转换模块固定在机顶盒 主板上, 所述电压转换模块包含了若干个电压转换单元, 所述电压转 换单元分别和机顶盒中各功能模块相连接, 并对 USB接口获取的供 电电压进行相应的电压转换,所述电压转换包括了升压转换和降压转 换, 也就是说, 机顶盒的各个功能模块所需的不同的电压值是有不同 的电压转换单元进行转换。
需要说明的是, USB接口供电设备是能够提供电源驱动的带 USB 接口的供电设备。
本发明实施例中的机顶盒是在机顶盒主板上设置 USB接口作为 机顶盒的供电接口, 以获取 USB接口供电设备提供的供电电压, 所 述 USB接口可以为标准 USB接口、 MINI USB接口或 MICRO USB 接口中任一种。在本实施例中, 机顶盒中的各个功能模块在工作时所 需要的电压值是不同的, 而电压转换模块就是将 USB接口获取的供 电电压进行相应的转换,并将转换得到的供电电压输出至相应机顶盒 功能模块,以便相应机顶盒的功能模块能够根据所需的电压值进行工 作。
本发明实施例中的机顶盒就是通过在机顶盒的主板上设置 USB 接口作为机顶盒的供电接口, 通过统一的 USB接口为机顶盒供电, 保证了机顶盒可与其他家用产品公用相同的 USB接口供电设备, 减 少了资源浪费,一定程度上解决了机顶盒电源接口和供电方案混乱的 局面。
请参见图 4 ,为本发明的机顶盒供电方法的第二实施例的流程图。 所述方法包括:
S201 , 在所述机顶盒的主板上设置 USB接口。
具体的, 在机顶盒的主板上设置 USB接口作为机顶盒的供电接 口, 通过统一的 USB接口为机顶盒供电, 以便获取 USB接口供电设 备提供的供电电压。 在本实施例中, 所述 USB接口可以为标准 USB 接口、 MINI USB接口或 MICRO USB接口中任一种,其中所述 USB 接口通过 USB连接线获取 USB接口供电设备提供的供电电压。
5202, 通过 USB接口获取 USB接口供电设备提供的供电电压。 具体的, 在机顶盒的主板上设置 USB接口作为机顶盒的供电接 口, USB接口通过 USB连接线与 USB接口的供电设备相连接, 通过 USB数据线获取 USB接口供电设备提供的供电电压为机顶盒提供供 电电压, 使用 USB接口作为机顶盒的统一供电接口, 保证了机顶盒 可与其他家用产品公用相同的 USB接口供电设备。
5203, 对所述 USB接口获取的供电电压进行升压转换, 并将转 换得到的供电电压输出至相应机顶盒功能模块。
具体的,机顶盒的各功能模块在工作时所需电压值是不同的, 当 有的功能模块在工作时所需电压值高于所述 USB接口获取的供电电 压时, 此时 S203将 S202获取到的 USB接口供电设备提供的供电电 压进行升压转换,并将转换得到的供电电压输出至相应机顶盒功能模 块。
5204, 对所述 USB接口获取的供电电压进行降压转换, 并将转 换得到的供电电压输出至相应机顶盒功能模块。
具体的,当有的功能模块在工作时所需要的电压值低于所述 USB 接口输入的供电电压时, 此时 S204将 S202获取到的 USB接口供电 设备提供的供电电压进行降压转换,并将转换得到的供电电压输出至 相应机顶盒功能模块。
本发明实施例的机顶盒是在机顶盒主板上设置 USB接口作为机 顶盒的供电接口,通过统一的 USB接口为机顶盒供电,以便获取 USB 接口供电设备提供的供电电压,所述 USB接口可以为标准 USB接口、 MINI USB接口或 MICRO USB接口中任一种。 在本实施例中, 机顶 盒中的各个功能模块工作时所需要的电压值是不同的,有的机顶盒功 能模块所需要的电压值高于所述 USB接口获取的供电电压, 有的机 顶盒功能模块所需要的电压值低于所述 USB接口获取的供电电压, 而电压转换模块就是对所述 USB接口获取的供电电压进行相应的电 压转换,得到机顶盒相应的功能模块所需的电压, 并将转换得到的供 电电压输出至相应机顶盒功能模块, 其中, 所述电压转换包括升压转 换和降压转换。
本发明实施例中的机顶盒就是通过在机顶盒的主板上设置 USB 接口作为机顶盒的供电接口, 通过统一的 USB接口为机顶盒供电, 保证了机顶盒可与其他家用产品公用相同的 USB接口供电设备, 减 少了资源浪费,一定程度上解决了机顶盒电源接口和供电方案混乱的 局面。
再请参见图 5, 为本发明的机顶盒供电系统的实施例示意图。 所述机顶盒供电系统包括机顶盒 01、 USB接口供电设备 02, 其 中:
所述机顶盒 01通过 USB接口获取与之相连的 USB接口供电设 备提供的供电电压,并通过固定在机顶盒主板上的电压转换模块对所 述获取到的供电电压进行转换,并将转换得到的供电电压输出至相应 机顶盒功能模块。
所述 USB接口供电设备 02是自身带有 USB接口的电源驱动设 备,所述机顶盒 01通过 USB数据线获取 USB接口供电设备 02提供 的供电电压。
需要说明的是, 所述机顶盒 01和所述 USB接口供电设备 02通 过 USB数据线相连接, 但并不排除所述机顶盒 01和所述 USB接口 供电设备 02直接连接而不用 USB数据线的特殊情况。
本发明实施例中的机顶盒是使用 USB接口作为机顶盒的统一供 电接口, 保证了机顶盒可与其他家用产品公用相同的 USB电源驱动 供电设备, 使现有技术中的电源板 /直流电源适配器不再成为机顶盒 的标准配置, 有利于减少了资源浪费, 并一定程度上解决了机顶盒电 源接口和供电方案混乱的局面。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解 到本发明可借助软件加必需的硬件平台的方式来实现,当然也可以全 部通过硬件来实施。基于这样的理解, 本发明的技术方案对背景技术 做出贡献的全部或者部分可以以软件产品的形式体现出来 ,该计算机 软件产品可以存储在存储介质中, 如 ROM/RAM、 磁碟、 光盘等, 包 括若干指令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个实施例或者实施例的某些部分所述 的方法。
以上所揭露的仅为本发明较佳实施例而已,当然不能以此来限定 本发明之权利范围,本领域普通技术人员可以理解实现上述实施例的 全部或部分流程, 并依本发明权利要求所作的等同变化, 仍属于发明 所涵盖的范围。

Claims

权 利 要 求
1、 一种机顶盒, 其特征在于, 包括 USB接口、 电压转换模块、 机顶盒功 能模块, 其中:
所述 USB接口, 用于获取 USB接口供电设备提供的供电电压;
所述电压转换模块, 用于对所述 USB接口获取的供电电压进行转换, 得到 每个机顶盒功能模块所需的电压并提供给相应的机顶盒功能模块。
2、 如权利要求 1所述的机顶盒, 其特征在于, 所述电压转换模块包括: 升压转换单元, 用于对所述 USB接口获取的供电电压进行升压转换, 并将 转换得到的供电电压输出至相应机顶盒功能模块。
3、 如权利要求 1所述的机顶盒, 其特征在于, 所述电压转换模块包括: 降压转换单元, 用于对所述 USB接口获取的供电电压进行降压转换, 并将 转换得到的供电电压输出至相应机顶盒功能模块。
4、 如权利要求 1至 3任一项所述的机顶盒, 其特征在于, 所述 USB接口 包括标准 USB接口、 迷你 MINI USB接口或微型 MICRO USB接口中任一种。
5、 一种机顶盒供电方法, 其特征在于, 包括:
通过 USB接口获取 USB接口供电设备提供的供电电压;
对所述 USB接口获取的供电电压进行转换, 得到每个机顶盒功能模块所需 的电压并提供给相应的机顶盒功能模块。
6、 如权利要求 5所述的机顶盒供电方法, 其特征在于, 所述通过 USB接 口获取 USB接口供电设备提供的供电电压之前, 还包括:
在所述机顶盒的主板上设置 USB接口。
7、 如权利要求 5 所述的机顶盒供电方法, 其特征在于, 所述对所述 USB 接口获取的供电电压进行转换, 得到每个机顶盒功能模块所需的电压的步骤包 括:
对所述 USB接口获取的供电电压进行升压转换, 得到相应机顶盒功能模块 所需的电压并提供给相应的机顶盒功能模块。
8、 如权利要求 5 所述的机顶盒供电方法, 其特征在于, 所述对所述 USB 接口获取的供电电压进行转换, 得到每个机顶盒功能模块所需的电压的步骤还 包括:
对所述 USB接口获取的供电电压进行降压转换, 得到相应机顶盒功能模块 所需的电压并提供给相应的机顶盒功能模块。
9、 一种机顶盒供电系统, 其特征在于, 包括机顶盒, USB接口供电设备, 所述 USB接口供电设备是自身带有 USB接口的电源驱动设备, 其中:
所述机顶盒通过 USB接口获取与之相连的 USB接口供电设备所提供的供电 电压, 并通过电压转换模块对所述获取到的供电电压进行转换, 得到每个机顶 盒功能模块所需的电压提供给相应的机顶盒功能模块。
10、 如权利要求 9所述的机顶盒供电系统, 其特征在于, 所述机顶盒和所 述 USB接口供电设备通过 USB数据线相连接。
PCT/CN2012/086036 2012-02-07 2012-12-06 一种机顶盒、机顶盒供电方法及机顶盒供电系统 WO2013117099A1 (zh)

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