WO2020173259A1 - 一种电信设备及单板电源保护方法 - Google Patents

一种电信设备及单板电源保护方法 Download PDF

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Publication number
WO2020173259A1
WO2020173259A1 PCT/CN2020/073159 CN2020073159W WO2020173259A1 WO 2020173259 A1 WO2020173259 A1 WO 2020173259A1 CN 2020073159 W CN2020073159 W CN 2020073159W WO 2020173259 A1 WO2020173259 A1 WO 2020173259A1
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Prior art keywords
voltage
single board
board
power supply
backplane
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PCT/CN2020/073159
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English (en)
French (fr)
Inventor
王克均
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中兴通讯股份有限公司
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Publication of WO2020173259A1 publication Critical patent/WO2020173259A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • the present invention relates to the field of data network communication, and in particular to a method for protecting telecommunication equipment and a single board power supply. Background technology
  • the current internal power supply (-48V) backup hardware connection of the device is shown in Figure 1.
  • external power supplies 1 and 2 are connected to the equipment power supply modules 1 and 2, respectively, they are sent to a single board through the backplane.
  • the two sets of power loads are designed for redundancy. When there is a problem with one of them, the other can still fully bear the operating load of the entire equipment.
  • the above-mentioned system constitutes the protection of the entire equipment power supply.
  • the failure rate of the main circuit power supply on the board is generally higher than that of the equipment power supply failure.
  • the single board can only be powered off offline, and the service is switched to the backup single board.
  • the business cannot be switched and can only be interrupted.
  • the power on the board is restored after a drop, the information on the board will be lost due to power failure. Failure to locate the specific cause and location of the fault.
  • no effective solution has been proposed in some cases. Summary of the invention
  • the present invention provides a telecommunication equipment and a single-board power supply protection method, which solves the problem of lack of protection for the single-board main circuit power supply in the related art.
  • a telecommunication device including: a device power supply, a backplane, and a first single board and a second single board, the first single board and the second single board both include an in-board load device, wherein , The device power supply is connected to the backplane, the first single board and the second single board are respectively connected to the backplane, wherein the device power supply is used to provide voltage to the backplane; the backplane is used for The voltage provided by the device power supply outputs a first voltage to the first single board and the second single board; the first single board is used to convert the first voltage into a second voltage that matches the load device in the board; The second single board is used to convert the first voltage into a third voltage that matches the load device in the board; the first single board is also used to receive the successful voltage conversion if the voltage conversion fails The third voltage provided by the second single board, the second voltage is equal to the third voltage.
  • a single-board power protection method is provided, which is applied to telecommunication equipment.
  • the telecommunication equipment includes at least one equipment power supply, a backplane, and a first single board and a second single board.
  • the second single board includes an in-board load device, including: the device power supply provides voltage to the back board; the back board outputs a first voltage to the first single board and the second single board according to the voltage provided by the device power supply
  • the first single board converts the first voltage into a second voltage that matches the load device on its own board; the second single board converts the first voltage into a third voltage that matches the load device on its own board
  • the first single board receives a third voltage provided by a second single board whose voltage conversion is successful, and the second voltage is equal to the third voltage.
  • Fig. 1 is a schematic structural diagram of a hardware device related to the internal power supply of a telecommunications device according to related technologies
  • Fig. 2 is a structural block diagram of a telecommunications device according to an embodiment of the invention
  • Fig. 3 is a structural block diagram of a telecommunication device according to a preferred embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a power switching circuit of a telecommunication device according to a preferred embodiment of the present invention
  • FIG. 5 is a schematic diagram of a structure of a hardware device related to the internal power of a telecommunication device according to a preferred embodiment of the present invention
  • Fig. 6 is a schematic structural diagram of a power switching circuit according to a preferred embodiment of the present invention.
  • Fig. 7 is a flowchart of a single-board power supply protection method according to an embodiment of the present invention.
  • Fig. 8 is a flowchart of a single-board power supply protection method according to a preferred embodiment of the present invention. detailed description
  • FIG. 1 is a schematic diagram of the structure of the hardware components related to the internal power supply of the telecommunications equipment according to the related technology.
  • the main circuit power supply in the board is 12V as an example.
  • External power supply 1 and 2 are connected to the equipment power supply 1 and 2 respectively, and supply power to it.
  • the equipment power supply 1 and equipment power supply 2 pass through the backplane and send 48V voltage to each board.
  • the two sets of equipment power supplies 1 and 2 are designed for load redundancy, that is, when one of them has a problem, the other can still fully bear the operating load of the entire equipment.
  • the backplane includes a power conversion circuit and on-board load devices.
  • the power conversion circuit receives the 48V voltage delivered by the backplane and converts it to 12V, which is provided to the on-board load devices.
  • the device single board issues an offline alarm.
  • the alarm is used to warn the service interruption and trigger the service switching mechanism.
  • the service is interrupted; in the case of cross-board service protection, the service is switched To the backup board.
  • the telecommunication device includes a device power supply 22, a backplane 24, and a first single board 26 and a second single board 28.
  • the first single board 26 includes at least one on-board load device 262
  • the second single board 28 includes at least one on-board load device 282, wherein the device power supply 22 is connected to the backplane 24, and the first single board 26 and the second single board 28 are respectively connected to the backplane 24, wherein: the device power supply 22 is used to provide voltage to the backplane 24; the backplane 24 is used to supply voltage to the first single board 26 and the backplane according to the voltage provided by the device power supply 22
  • the second single board 28 outputs the first voltage; the first single board 26 is used to convert the first voltage into a second voltage that matches the load device 262 on the board; the second single board 28 is used to convert The first voltage is converted into a third voltage that matches the load device 282 in its own board; the first
  • the second single board 28 is also used to output the third voltage to the first single board 26 and the load device 282 in its own board.
  • the first single board 26 receives the third voltage provided by the second single board 28 whose voltage conversion is successful in the following manner: the first single board 26 receives the third voltage provided by the backplane 24, the third voltage The second single board 28 is provided to the back board 24.
  • the first single board 26 is used as a protected single board
  • the second single board 28 is used as a protected single board.
  • the telecommunications equipment protects M single boards, of which N single boards have the ability to serve as a protection single board, which can supply power to the load devices in the board when the voltage conversion of other single boards in the telecommunications equipment fails.
  • M 2 NM.
  • FIG. 3 is a telecommunication device according to a preferred embodiment of the present invention.
  • the first single board 26 further includes a power conversion circuit 264 and a power switching circuit 266, and the power conversion circuit 264 is connected to the power switching circuit 266,
  • the power switching circuit 266 is connected to the load device 262 on the board:
  • the conversion circuit 264 is configured to convert the first voltage into a second voltage that matches the load device 262 on the board; and the power switching circuit 266 is configured to switch from the power conversion circuit 264 or the power conversion circuit 264 according to the working state of the power conversion circuit 264
  • the backplane 24 obtains the voltage and transmits it to the load device 262 in its own board.
  • the working state includes successful voltage conversion and failed voltage conversion.
  • the power switching circuit 266 can implement the power conversion circuit 264 or the backplane 24 to output voltage to the load device 262 in the board through a switch circuit.
  • the power switching circuit 266 can realize the voltage output of the third voltage to the backplane 24 through a switch circuit.
  • the second single board 28 also includes a power conversion circuit 284 and a power switching circuit 286.
  • Fig. 4 is a structural block diagram of a power switching circuit of a telecommunications device according to a preferred embodiment of the present invention.
  • the power switching circuit includes: the first switch circuit 44 for switching the power conversion circuit and the board on and off The circuit connection between the internal load devices; the third switch circuit 48 is used to switch the circuit connection between the backplane and the internal load devices.
  • the power switching circuit further includes a second switch circuit 46 for turning on and off the circuit connection between the power conversion circuit and the backplane.
  • the power switching circuit further includes a voltage monitoring module 42 configured to switch on the third switch circuit 48 and disconnect the first switch circuit 44 and the first switch circuit 44 when the power conversion circuit fails to switch voltage.
  • the second switch circuit 46 configured to switch on the third switch circuit 48 and disconnect the first switch circuit 44 and the first switch circuit 44 when the power conversion circuit fails to switch voltage.
  • FIG. 5 is a schematic structural diagram of hardware components related to the internal power supply of telecommunications equipment according to a preferred embodiment of the present invention.
  • the telecommunications equipment includes equipment power supply 1 and equipment power supply 2, respectively receiving external power supply 1 and external power supply 2.
  • 48V is applied to the backplane.
  • the backplane loads the 48V voltage obtained from the device power supply 1 and the device power supply 2 on each single board.
  • single board 1 includes a power conversion circuit, a power switching circuit, and at least one on-board load device.
  • the power conversion circuit in the single board 1 receives the 48V voltage provided by the backplane, converts it into a 12V circuit, and loads it on the power switching circuit.
  • the power switching circuit transmits the converted 12V voltage back to the backplane and loads the 12V voltage on each load device in the board.
  • 12V is the working voltage of the load device in the board in this embodiment.
  • the power switching circuit from The 12V voltage obtained on the backplane is loaded on each load device in the board, and the 12V voltage provided by the backplane is provided to it by other boards with successful power conversion.
  • FIG. 6 is a schematic structural diagram of a power switching circuit according to a preferred embodiment of the present invention.
  • the power switching circuit shown includes a voltage monitoring and switching circuit 1, a switching circuit 2, and Switch circuit 3.
  • the voltage monitoring module monitors the status of the main circuit power supply of the single board in real time, and controls the switching circuits 1, 2, 3 to make the circuit between the main circuit power supply of the single board and the load devices and the backplane on and off.
  • the monitoring module confirms that the output of the power conversion circuit is normal, it turns on the switch circuit 1 between the power conversion circuit and the backplane, and at the same time turns on the switch circuit 2 between the power conversion circuit and the load devices on the board, so that the power conversion circuit gets 12V The voltage can supply power to the load devices in the board and the backplane.
  • the monitoring module closes the switch circuit 1 between the power conversion circuit and the backplane, and closes the switch circuit 2 between the power conversion circuit and the load devices on the board.
  • the voltage monitoring module judges whether the power conversion is successful according to the voltage output by the power switching circuit. Specifically, when the voltage monitoring module monitors that the output voltage of the power conversion circuit exceeds the rated range, it determines that the conversion of the power conversion circuit has failed.
  • the rated range refers to greater than the minimum threshold and less than the maximum threshold. The operating voltage during the on-board load period is within the rated range. Within range.
  • FIG. 7 is a flowchart of a single-board power protection method according to an embodiment of the present invention.
  • the single-board power protection method is applied to a telecommunication device, and the telecommunication device includes at least one device power supply, a backplane, and a first
  • the single board and the second single board, where both the first single board and the second single board include in-board load devices include the following steps.
  • Step S702 the device power supply provides voltage to the backplane
  • Step S704 the backplane outputs the first voltage to the first single board and the second single board according to the voltage provided by the device power supply;
  • Step S706 The first single board converts the first voltage into a second voltage that matches the load device in the board;
  • Step S708 the second single board converts the first voltage into a third voltage that matches the load device in the board;
  • the second single board outputs the third voltage to the first single board and the load device in its own board. Further, the second single board outputs the third voltage to the backplane and the load device in its own board; the first single board receives the third voltage provided by the second single board whose voltage has been successfully converted includes: receiving the The third voltage provided by the backplane.
  • Step S710 In the case that the voltage conversion fails, the first single board receives a third voltage provided by the second single board that has successfully converted the voltage, and the second voltage is equal to the third voltage.
  • the first single board determines that the voltage conversion has failed.
  • Fig. 8 is a flowchart of a method for protecting a single board power supply according to a preferred embodiment of the present invention. As shown in Fig. 8, the method includes the following steps.
  • Step S802 the single board is powered on
  • Step S804 turn off the single board main power supply and the backplane main power connection switch 2, that is, the switch circuit 2 between the power switching circuit and the backplane;
  • Step S806 turn off the backplane main power supply and the single board load connection switch circuit 3, that is, the switch circuit 3 between the load device on the board and the backplane;
  • Step S808 it is judged whether the main circuit power supply of the single board is in a normal working state; if the judgment result is yes, step S810 is executed, and if the judgment result is otherwise, step S812 is executed;
  • Step S810 Turn on the switch circuit 1 and the switch circuit 2, and switch on the circuit connection between the power conversion circuit and the load device on the board, and the power conversion circuit and the backplane;
  • Step S812 turn off the switch circuit 2 connecting the main circuit power supply of the single board and the self-power supply of the backplane;
  • Step S814 turn off the single board main circuit power supply and the board load connection switch circuit 1;
  • Step S816, turn on the switch circuit 3 connecting the backplane main power supply and the single board load; Step S818, the power failure alarms.
  • the first single board in the case that the voltage conversion of the first single board fails, the first single board is adopted to receive the third voltage provided by the second single board whose voltage conversion is successful, and the second voltage is equal to the third voltage. It solves the problem of lack of protection for the main circuit power supply of the single board in the related technology, and provides protection for the main circuit power supply of the single board.
  • modules or steps of the present invention can be implemented by a general computing device, and they can be concentrated on a single computing device or distributed in a network composed of multiple computing devices.
  • they can be implemented by program codes executable by the computing device, so that they can be stored in the storage device and executed by the computing device, and in some cases, they can be executed in a different order from here.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc-Dc Converters (AREA)

Abstract

本发明提供了一种电信设备及单板电源保护方法，其中该电信设备包括：设备电源、背板和第一单板和第二单板，其中该设备电源，用于向该背板提供电压；该背板，用于根据该设备电源提供的电压向该第一单板和该第二单板输出第一电压；该第一单板，用于将该第一电压转换为与自身板内负载器件相匹配的第二电压；该第二单板，用于将该第一电压转换为与自身板内负载器件相匹配的第三电压；该第一单板还用于在电压转换失败的情况下，接收由电压转换成功的第二单板提供的第三电压，该第二电压等于该第三电压。

Description

一种电信设备及单板电源保护方法 交叉引用
本发明要求在 2019 年 02 月 28 日提交中国专利局、 申请号为 201910154579.X、 发明名称为 “一种电信设备及单板电源保护方法” 的中国 专利申请的优先权， 该申请的全部内容通过引用结合在本发明中。 技术领域
本发明涉及数据网络通信领域， 尤其是涉及到一种电信设备及单板电源 保护方法。 背景技米
目前运营商主营业务量逐年增加， 单台电信设备上的各单板处理的业务 量越来越大， 单板或设备发生问题时， 带来的影响也越来越大。 电源作为硬 件故障的主要问题之一， 及时的保护和切换是很有必要的。 但目前只有设备 电源 (-48V) 采用了 “1+1” 的配置进行保护， 单板板内的主路电源没有相应 的保护和切换机制。板内主路电源发生问题时， 整板掉线， 除业务受影响外， 实际故障问题的定位也无法进行。
目前设备内部电源 (-48V) 备份硬件连接关系如图 1 所示。 外部电源 1 和 2分别接入到设备电源模块 1和 2后， 再经过背板， 送到个单板上， 两组 电源负载有设计冗余。 当其中一路有问题时， 另一路仍能够完全负担起整个 设备的运行负载。
上述系统构成对整个设备供电的保护。 板内主路电源故障率一般高于设 备供电电源故障。 当单板主路电源发生问题时， 单板只能下电离线， 业务切 换到备份单板上去。 如果是同一单板内部业务备份的情况， 业务无法切换， 只能中断。 此外， 在板内电源跌落后又恢复的情况中， 板内信息会因掉电丢 失， 导致无法定位具体故障原因和故障位置。 针对相关技术中单板主路电源 缺乏保护的问题， 在一些情形下还未提出有效的解决方案。 发明内容
本发明提供了一种电信设备及单板电源保护方法， 解决了相关技术中单 板主路电源缺乏保护的问题。
根据本发明的一个方面， 提供一种电信设备， 包括： 设备电源、 背板和 第一单板和第二单板，该第一单板和该第二单板均包括板内负载器件，其中， 该设备电源和该背板连接， 该第一单板和该第二单板分别与该背板连接， 其 中该设备电源， 用于向该背板提供电压； 该背板， 用于根据该设备电源提供 的电压向该第一单板和该第二单板输出第一电压； 该第一单板， 用于将该第 一电压转换为与自身板内负载器件相匹配的第二电压； 该第二单板， 用于将 该第一电压转换为与自身板内负载器件相匹配的第三电压； 该第一单板还用 于在电压转换失败的情况下， 接收由电压转换成功的第二单板提供的第三电 压， 该第二电压等于该第三电压。
根据本发明的另一方面，提供一种单板电源保护方法，应用于电信设备， 该电信设备包括至少一个设备电源、 背板和第一单板和第二单板， 该第一单 板和该第二单板均包括板内负载器件， 包括：该设备电源向该背板提供电压； 该背板根据该设备电源提供的电压向该第一单板和该第二单板输出第一电压; 该第一单板将该第一电压转换为与自身板内负载器件相匹配的第二电压； 该 第二单板将该第一电压转换为与自身板内负载器件相匹配的第三电压； 在电 压转换失败的情况下， 该第一单板接收由电压转换成功的第二单板提供的第 三电压， 该第二电压等于该第三电压。 附图说明
此处所说明的附图用来提供对本发明的进一步理解， 构成本申请的一部 分， 本发明的示意性实施例及其说明用于解释本发明， 并不构成对本发明的 不当限定。 在附图中：
图 1是根据相关技术的电信设备内部电源相关硬件器件的结构示意图； 图 2是根据本发明实施例的电信设备的结构框图；
图 3是根据本发明优选实施例的电信设备的结构框图；
图 4是根据本发明优选实施例的电信设备的电源切换电路的结构框图； 图 5 是根据本发明优选实施例的电信设备内部电源相关硬件器件的结构 示意图；
图 6是根据本发明优选实施例的电源切换电路的结构示意图；
图 7是根据本发明实施例的单板电源保护方法的流程图；
图 8是根据本发明优选实施例的单板电源保护方法的流程图。 具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是， 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。
在本实施例中提供了一种电信设备及电源保护方法， 图 1 是根据相关技 术的电信设备内部电源相关硬件器件的结构示意图， 如图 1 所示， 以板内主 路电源为 12V为例，说明如下：外部电源 1和 2分别与设备电源 1和 2连接， 向其供电。 设备电源 1和设备电源 2再经过背板， 将 48V电压送到各个单板 上。 其中， 两组设备电源 1和 2的设计是出于负载冗余， 也即当其中一路有 问题时， 另一路仍能够完全负担起整个设备的运行负载。 背板中包括电源转 换电路和板内负载器件， 电源转换电路接收到背板输送的 48V电压将其转换 为 12V电压， 提供给板内负载器件。
在单板主路电源发生故障也即电压转换失败的情况下， 设备单板发出离 线告警， 该告警用于警示业务中断， 触发业务倒换机制。 在同一单板内进行 业务保护的情况下， 业务中断； 在跨单板进行业务保护的情况下， 业务倒换 至备份单板。 针对相关技术中单板主路电源在同单板进行业务保护的情况下 容易发生业务中断的问题， 本发明提供如下实施例来解决。
图 2是根据本发明实施例的电信设备的结构框图， 如图 2所示， 该电信 设备包括设备电源 22、 背板 24和第一单板 26和第二单板 28， 该第一单板 26 包括至少一个板内负载器件 262， 该第二单板 28包括至少一个板内负载器件 282, 其中， 该设备电源 22和该背板 24连接， 该第一单板 26和该第二单板 28分别与该背板 24连接，其中：该设备电源 22,用于向该背板 24提供电压； 该背板 24， 用于根据该设备电源 22提供的电压向该第一单板 26和该第二单 板 28输出第一电压； 该第一单板 26， 用于将该第一电压转换为与自身板内负 载器件 262相匹配的第二电压； 该第二单板 28， 用于将该第一电压转换为与 自身板内负载器件 282相匹配的第三电压； 该第一单板 26还用于在电压转换 失败的情况下， 接收由电压转换成功的第二单板 28提供的第三电压， 该第二 电压等于该第三电压。
优选地， 该第二单板 28还用于将该第三电压输出给该第一单板 26和自 身板内负载器件 282。
优选地，该第一单板 26通过以下方式接收由电压转换成功的第二单板 28 提供的第三电压： 该第一单板 26接收该背板 24提供的第三电压， 该第三电 压由该第二单板 28向该背板 24提供。
在本实施例中第一单板 26作为被保护单板， 第二单板 28作为保护单板 在第一单板 26电压转换失败的情况下向其提供板内负载器件 262所需的电压。 值得一提的是， 该电信设备保护 M块单板， 其中 N块单板具备作为保护单板 的能力可在电信设备内的其他单板电压转换失败的情况下为其板内负载器件 供电， 其中 M 2， N M。
图 3是根据本发明优选实施例的电信设备， 如图 3所示， 该第一单板 26 还包括电源转换电路 264和电源切换电路 266,该电源转换电路 264与该电源 切换电路 266相连， 该电源切换电路 266与该板内负载器件 262相连： 电源 转换电路 264, 用于将该第一电压转换为与自身板内负载器件 262相匹配的第 二电压； 电源切换电路 266, 用于根据该电源转换电路 264的工作状态从该电 源转换电路 264或该背板 24获取电压并传输给自身板内负载器件 262， 该工 作状态包括电压转换成功与电压转换失败。
优选地，该电源切换电路 266可以通过开关电路来实现电源转换电路 264 或背板 24向板内负载器件 262输出电压。 该电源切换电路 266可以通过开关 电路来实现第三电压向背板 24的电压输出。
该第二单板 28也包括电源转换电路 284和电源切换电路 286。
图 4 是根据本发明优选实施例的电信设备的电源切换电路的结构框图， 如图 4所示， 该电源切换电路包括： 该第一开关电路 44， 用于通断该电源转 换电路与该板内负载器件间的电路连接； 该第三开关电路 48， 用于通断该背 板与该板内负载器件间的电路连接。
优选地， 该电源切换电路还包括第二开关电路 46， 用于通断该将该电源 转换电路与该背板间的电路连接。
优选地， 该电源切换电路还包括电压监控模块 42, 该电压监控模块 42用 于在该电源转换电路电压转换失败的情况下接通该第三开关电路 48并断开该 第一开关电路 44和该第二开关电路 46。
图 5 是根据本发明优选实施例的电信设备内部电源相关硬件器件的结构 示意图， 如图 5所示， 该电信设备包括设备电源 1和设备电源 2, 分别接收外 部电源 1和外部电源 2传输的电压， 同时将 48V的电压加载到背板上。 该背 板将从设备电源 1和设备电源 2得到的 48V电压均加载在每个单板， 以单板 1为例， 包括电源转换电路、 电源切换电路和至少一块板内负载器件。 单板 1 中的电源转换电路接收背板提供的 48V电压， 并将其转换为 12V电路加载在 电源切换电路上。在电源转换成功的情况下， 电源切换电路将转换得到的 12V 电压回传给背板并将 12V电压加载在每一块板内负载器件上， 12V为本实施 例中板内负载器件的工作电压。 在电源转换失败的情况下， 电源切换电路从 背板上获取 12V电压加载到每个板内负载器件上， 该背板提供的 12V电压是 其他电源转换成功的单板向其提供的。
图 6是根据本发明优选实施例的电源切换电路的结构示意图， 如图 6-1、 6-2和 6-3所示， 所示电源切换电路包括电压监控和开关电路 1、 开关电路 2 和开关电路 3。 电压监控模块通过实时监控单板主路电源的状态， 通过控制开 关电路 1、 2、 3 ， 让单板主路电源与板内负载器件、 背板之间电路的导通和 断开。
初次上电时， 默认电源转换电路与背板断开， 电源转换电路与板内负载 器件之间断开。 当监控模块确认电源转换电路输出正常时， 打开电源转换电 路与背板之间的开关电路 1，并同时打开电源转换电路与板内负载器件之间的 开关电路 2， 使得电源转换电路得到的 12V 电压可以向板内负载器件和背板 供电。 当故障单板的主干电源发生问题后， 监控模块关闭电源转换电路与背 板之间的开关电路 1，并关闭电源转换电路与板内负载器件之间的开关电路 2。 同时打开背板主电源到板上负载的开关电路 3 ,完成板内电源的切换。优选地， 切换动作需要快速的进行， 以增加储能模块保证切换过程中的稳定性。
优选地， 电压监控模块根据电源切换电路输出的电压判断电源转换是否 成功。 具体的， 电压监控模块监控到电源转换电路输出电压超出额定范围内 的情况下， 判定电源转换电路转换失败， 其中额定范围是指大于最小阈值， 小于最大阈值， 板内负载期间的工作电压在额定范围内。
图 7是根据本发明实施例的单板电源保护方法的流程图， 如图 7所示， 所示单板电源保护方法应用于电信设备， 该电信设备包括至少一个设备电源、 背板和第一单板和第二单板， 该第一单板和该第二单板均包括板内负载器件， 包括以下步骤。
步骤 S702， 该设备电源向该背板提供电压；
步骤 S704， 该背板根据该设备电源提供的电压向该第一单板和该第二单 板输出第一电压； 步骤 S706， 该第一单板将该第一电压转换为与自身板内负载器件相匹配 的第二电压；
步骤 S708， 该第二单板将该第一电压转换为与自身板内负载器件相匹配 的第三电压；
优选地， 第二单板将该第三电压输出给该第一单板和自身板内负载器件。 更进一步地， 该第二单板将该第三电压输出给该背板和自身板内负载器件； 该第一单板接收由电压转换成功的第二单板提供的第三电压包括： 接收该背 板提供的第三电压。
步骤 S710， 在电压转换失败的情况下， 该第一单板接收由电压转换成功 的第二单板提供的第三电压， 该第二电压等于该第三电压。
优选地， 在检测到该第一电压转换得到的输出电压高于上限阈值或者低 于下限阈值的情况下， 该第一单板判定电压转换失败。
图 8是根据本发明优选实施例的单板电源保护方法的流程图， 如图 8所 示， 所示方法包括以下步骤。
步骤 S802， 单板上电；
步骤 S804， 关闭单板主路电源与背板主电源连接开关 2， 也即电源切换 电路与背板之间的开关电路 2 ;
步骤 S806， 关闭背板主电源与单板负载连接开关电路 3， 也即板内负载 器件与背板之间的开关电路 3 ;
步骤 S808， 判断单板主路电源是否处于正常工作状态； 若判断结果为是 则执行步骤 S810， 若判断结果为否则执行步骤 S812 ;
步骤 S810， 打开开关电路 1和开关电路 2， 接通电源转换电路与板内负 载器件， 及电源转换电路与背板之间的电路连接；
步骤 S812， 关闭单板主路电源与背板自电源连接的开关电路 2 ;
步骤 S814， 关闭单板主路电源与板上负载连接开关电路 1 ;
步骤 S816， 打开背板主电源与单板负载连接的开关电路 3 ; 步骤 S818， 电源故障告警。
通过本发明， 在第一单板电压转换失败的情况下， 采用该第一单板接收 由电压转换成功的第二单板提供的第三电压， 该第二电压等于该第三电压的 技术方案， 解决了相关技术中单板主路电源缺乏保护的问题， 为单板主路电 源提供保护。
显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布 在多个计算装置所组成的网络上， 可选地， 它们可以用计算装置可执行的程 序代码来实现， 从而， 可以将它们存储在存储装置中由计算装置来执行， 并 且在某些情况下， 可以以不同于此处的顺序执行所示出或描述的步骤， 或者 将它们分别制作成各个集成电路模块， 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬件和软件 结合。
以上该仅为本发明的优选实施例而已， 并不用于限制本发明， 对于本领 域的技术人员来说， 本发明可以有各种更改和变化。 凡在本发明的精神和原 则之内， 所作的任何修改、 等同替换、 改进等， 均应包括在本发明的保护范 围之内。

Claims

权 利 要 求 书
1、 一种电信设备， 包括： 设备电源、 背板和第一单板和第二单板， 所述 第一单板和所述第二单板均包括板内负载器件， 其中， 所述设备电源和所述 背板连接， 所述第一单板和所述第二单板分别与所述背板连接， 其中：
所述设备电源， 用于向所述背板提供电压；
所述背板， 用于根据所述设备电源提供的电压向所述第一单板和所述第 二单板输出第一电压；
所述第一单板， 用于将所述第一电压转换为与自身板内负载器件相匹配 的第二电压；
所述第二单板， 用于将所述第一电压转换为与自身板内负载器件相匹配 的第三电压；
所述第一单板还用于在电压转换失败的情况下， 接收由电压转换成功的 第二单板提供的第三电压， 所述第二电压等于所述第三电压。
2、 如权利要求 1所述的电信设备， 其中， 所述第二单板用于将所述第三 电压输出给所述第一单板和自身板内负载器件。
3、 如权利要求 2所述的电信设备， 其中， 所述接收由电压转换成功的第 二单板提供的第三电压包括： 接收所述背板提供的第三电压， 所述第三电压 由所述第二单板向所述背板提供。
4、 如权利要求 3所述的电信设备， 其中， 所述第一单板和所述第二单板 还包括电源转换电路和电源切换电路， 所述电源转换电路与所述电源切换电 路相连， 所述电源切换电路与所述板内负载器件相连：
电源转换电路， 用于将所述第一电压转换为与自身板内负载器件相匹配 的第二电压；
电源切换电路， 用于根据所述电源转换电路的工作状态从所述电源转换 电路或所述背板获取电压并传输给自身板内负载器件， 所述工作状态包括电 压转换成功与电压转换失败。
5、 如权利要求 4所述的电信设备， 其中， 所述电源切换电路包括第一开 关电路和第三开关电路：
所述第一开关电路， 用于通断所述电源转换电路与所述板内负载器件间 的电路连接；
所述第三开关电路， 用于通断所述背板与所述板内负载器件间的电路连 接。
6、 如权利要求 5所述的电信设备， 其中， 所述电源切换电路还包括所述 第二开关电路，用于通断所述将所述电源转换电路与所述背板间的电路连接。
7、 如权利要求 6所述的电信设备， 其中， 所述电源切换电路还包括电压 监控模块， 所述电压监控模块用于在所述电源转换电路电压转换失败的情况 下接通所述第三开关电路并断开所述第一开关电路和所述第二开关电路。
8、 一种单板电源保护方法， 应用于电信设备， 所述电信设备包括至少一 个设备电源、 背板和第一单板和第二单板， 所述第一单板和所述第二单板均 包括板内负载器件， 其中， 所述方法包括：
所述设备电源向所述背板提供电压；
所述背板根据所述设备电源提供的电压向所述第一单板和所述第二单板 输出第一电压；
所述第一单板将所述第一电压转换为与自身板内负载器件相匹配的第二 电压；
所述第二单板将所述第一电压转换为与自身板内负载器件相匹配的第三 电压；
在电压转换失败的情况下， 所述第一单板接收由电压转换成功的第二单 板提供的第三电压， 所述第二电压等于所述第三电压。
9、 如权利要求 8所述的方法， 其中， 在所述第二单板将所述第一电压转 换为与自身板内负载器件相匹配的第三电压之后， 所述方法还包括：
所述第二单板将所述第三电压输出给所述第一单板和自身板内负载器件。
10、 如权利要求 9所述的方法， 其中， 所述第二单板将所述第三电压输 出给所述第一单板和自身板内负载器件包括： 所述第二单板将所述第三电压 输出给所述背板和自身板内负载器件；
所述第一单板接收由电压转换成功的第二单板提供的第三电压包括： 接 收所述背板提供的第三电压。
11、 如权利要求 8所述的方法， 其中， 所述方法还包括：
在检测到所述第一电压转换得到的输出电压高于上限阈值或者低于下限 阈值的情况下， 所述第一单板判定电压转换失败。
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