CN113541298A - 一种供配电测控在线热插拔冗余*** - Google Patents

一种供配电测控在线热插拔冗余*** Download PDF

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CN113541298A
CN113541298A CN202110699071.5A CN202110699071A CN113541298A CN 113541298 A CN113541298 A CN 113541298A CN 202110699071 A CN202110699071 A CN 202110699071A CN 113541298 A CN113541298 A CN 113541298A
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power supply
control
measurement
resistor
distribution
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毕显婷
蓝鲲
冯敏洁
王�锋
王彦
刘清波
杨海琼
章思严
王晓君
万端华
陈浩
厉力
韩明
孙雪峰
周天熠
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Beijing Institute of Astronautical Systems Engineering
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Beijing Institute of Astronautical Systems Engineering
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Human Computer Interaction (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

一种供配电测控在线热插拔冗余***，包括：供配电单元A、供配电单元B、单机保护电路、1553B控制单元；供配电单机将监测的工作电压、电流、供电状态等各种参数，通过1553B总线数据传输通道传输到测控设备，测控设备进行汇总和转换处理，再通过测控网络传输到测控计算机进行监测。单机出现故障时，可通过监测信息及时发现。从***级解决方案中单机互为热备份，在不断电情况下更换故障单机的热插拔设计难点。

Description

一种供配电测控在线热插拔冗余***
技术领域
本发明属于航天飞行器的供配电***设计领域，特别是运载火箭及导弹测控***的供配电测控设计方法。
背景技术
测控***长期加电期间要求可靠供电，为提高***可靠性，供配电设备都会采用冗余热备设计，主备份单机同时工作，当主份单机发生故障时，备份单机仍能保证***正常功能，但此时需要人员在***不断电的情况对故障单机进行更换，因此要求将***内单机设计成可在带电状态下进行插拔操作，并且在操作过程中不能影响***正常功能，即“热插拔”设计。
发明内容
本发明解决的技术问题是：克服现有技术的不足，提供了一种供配电测控在线热插拔冗余***。供配电测控子***可在型号长期加电期间，为设备可靠供电，引入冗余背板和插座墙设计理念，解决不断电情况下更换故障单机的热插拔设计难点，采用远距离监测方案，实时监测供配电信息，及时发现并定位故障单机。通过一体化软硬件设计，实现了长期加电期间，前端无人值守，监测到前端单机设备故障时，可及时去前端处理，且能保证***不间断供电，满足型号长期加电需求。
本发明的技术解决方案是：
一种供配电测控在线热插拔冗余***，包括：供配电单元A、供配电单元B、单机保护电路、1553B控制单元；
1553B控制单元：接收外部输入指令信号，将指令信号转换为1553B总线信号并同步传输给供配电单元A、供配电单元B；
供配电单元A：接收1553B控制单元传输的1553B总线信号，根据1553B总线信号向多个测控设备进行供电；同时监测供配电单元A自身的工作电压、电流、供电状态，并通过1553B控制单元传输给测控设备；
供配电单元B：接收1553B控制单元传输的1553B总线信号，根据1553B总线信号向多个测控设备进行供电；同时监测供配电单元B自身的工作电压、电流、供电状态，并通过1553B控制单元传输给测控设备；
单机保护电路：每个测控设备配置有对应的单机保护电路；在测控设备的电压或电流高于额定值时，断开测控设备与供配电单元A、供配电单元B之间的电可选地，所述1553B控制单元包括：隔离变压器A、隔离变压器B、1553B协议芯片和DSP2812芯片；
隔离变压器A通过通道A接收外部输入的指令信号，对指令信号进行变压处理，获得变压后的指令信号，并传输给1553B协议芯片；
隔离变压器B通过通道B接收外部输入的指令信号，对指令信号进行变压处理，获得变压后的指令信号，并传输给1553B协议芯片；
1553B协议芯片接收隔离变压器A和隔离变压器B传输的变压后的指令信号,根据通信协议对指令信号进行解析处理，获得地址信号和控制信号并传输给DSP2812芯片；同时，接收DSP2812芯片传输的数据信号，根据通信协议对数据信号进行组帧处理并通过隔离变压器A、隔离变压器B回传给测控设备；
DSP2812芯片接收1553B协议芯片传输的地址信号和控制信号并传输给外部硬件执行电路，同时，接收供配电单元A传输的工作电压、电流、供电状态和供配电单元B传输的工作电压、电流、供电状态并作为数据信号传输给1553B协议芯片。
可选地，所述指令信号进行变压处理后的电压根据1553B协议芯片的工作电压确定。
可选地，供配电单元A包括：电阻R1、电阻R2、光耦U1、电阻R3、电阻R4、二极管V1、二极管V3、电容C1、NPN型三极管V2和继电器K1A；
电阻R2的一端作为输入端接收1553B总线信号，电阻R2的另一端连接光耦U1的输入端，光耦U1的接地端接地处理，光耦U1的输出端连接电阻R3的一端，光耦U1的供电输入端接收二次供电；R3的另一端连接二极管V3的阴极，二极管V3的阳极连接电容C1的一端，电阻R4的一端和NPN型三极管V2的基极；电容C1的另一端，电阻R4的另一端和NPN型三极管V2的发射极接地处理；NPN型三极管V2的集电极连接电阻R1的一端和继电器K1A的一端，电阻R1的另一端连接二极管V1的阳极和继电器K1A的另一端，二极管V1的阴极接收二次供电。
可选地，三极管V2的放大倍数取值范围为100至300倍。
可选地，电阻R3和电阻R5的阻值均为10kΩ。
可选地，电阻R4的阻值为1kΩ。
可选地，电阻R1的阻值为68Ω。
可选地，电阻R2的阻值为680Ω。
可选地，二极管V3为3.3V稳压管。
本发明与现有技术相比的优点在于：
本发明一种供配电测控在线热插拔冗余***已完成方案阶段、工程研制阶段、搭载飞行和定型阶段，已完成批产产品的生产，产品的各项技术指标全部满足设备设计任务书的指标要求和相关设计文件要求，已在型号中成功应用，并经过长期加电考核。
附图说明
图1为1553B总线控制单元组成框图。
图2供配电单元内部控制部分原理框图。
图3供配电单元电路原理图。
图4为供配电测控在线热插拔冗余***框图。
具体实施方式
本发明一种供配电测控在线热插拔冗余***，如图4所示，包括：供配电单元A、供配电单元B、单机保护电路、1553B控制单元。1553B控制单元：接收外部输入指令信号，将指令信号转换为1553B总线信号并同步传输给供配电单元A、供配电单元B；供配电单元A：接收1553B控制单元传输的1553B总线信号，根据1553B总线信号向多个测控设备进行供电；同时监测供配电单元A自身的工作电压、电流、供电状态，并通过1553B控制单元传输给测控设备；供配电单元B：接收1553B控制单元传输的1553B总线信号，根据1553B总线信号向多个测控设备进行供电；同时监测供配电单元B自身的工作电压、电流、供电状态，并通过1553B控制单元传输给测控设备；单机保护电路：每个测控设备配置有对应的单机保护电路；在测控设备的电压或电流高于额定值时，断开测控设备与供配电单元A、供配电单元B之间的电路连接。
所述1553B控制单元包括：隔离变压器A、隔离变压器B、1553B协议芯片和DSP2812芯片；
隔离变压器A通过通道A接收外部输入的指令信号，对指令信号进行变压处理，获得变压后的指令信号，并传输给1553B协议芯片；
隔离变压器B通过通道B接收外部输入的指令信号，对指令信号进行变压处理，获得变压后的指令信号，并传输给1553B协议芯片；
1553B协议芯片接收隔离变压器A和隔离变压器B传输的变压后的指令信号,根据通信协议对指令信号进行解析处理，获得地址信号和控制信号并传输给DSP2812芯片；同时，接收DSP2812芯片传输的数据信号，根据通信协议对数据信号进行组帧处理并通过隔离变压器A、隔离变压器B回传给测控设备；
DSP2812芯片接收1553B协议芯片传输的地址信号和控制信号并传输给外部硬件执行电路，同时，接收供配电单元A传输的工作电压、电流、供电状态和供配电单元B传输的工作电压、电流、供电状态并作为数据信号传输给1553B协议芯片。
所述指令信号进行变压处理后的电压根据1553B协议芯片的工作电压确定。
供配电单元A包括：电阻R1、电阻R2、光耦U1、电阻R3、电阻R4、二极管V1、二极管V3、电容C1、NPN型三极管V2和继电器K1A；
电阻R2的一端作为输入端接收1553B总线信号，电阻R2的另一端连接光耦U1的输入端，光耦U1的接地端接地处理，光耦U1的输出端连接电阻R3的一端，光耦U1的供电输入端接收二次供电；R3的另一端连接二极管V3的阴极，二极管V3的阳极连接电容C1的一端，电阻R4的一端和NPN型三极管V2的基极；电容C1的另一端，电阻R4的另一端和NPN型三极管V2的发射极接地处理；NPN型三极管V2的集电极连接电阻R1的一端和继电器K1A的一端，电阻R1的另一端连接二极管V1的阳极和继电器K1A的另一端，二极管V1的阴极接收二次供电。
三极管V2的放大倍数取值范围为100至300倍。电阻R3和电阻R5的阻值均为10kΩ。电阻R4的阻值为1kΩ。电阻R1的阻值为68Ω。电阻R2的阻值为680Ω。二极管V3为3.3V稳压管。
已知V3为3.3V稳压管，假设光耦U1导通压降为VU1，电源电压Vcc,三极管V2的放大倍数为β，V2的基极电压为Vbc，则有：
V2的发射极-集电极电流I2＝[(Vcc-VU1-V3)/R3-Vbc/R4]×β。
本发明测控***引入***冗余背板和插座墙设计理念，设计单机插拔式安装结构的背板箱，互为备份的单机分别与背板箱的输出接口连接，单机的各种输入、输出接口信号在背板箱中完成同种信号的合并，实现设备级的冗余，从背板箱的插座墙统一对***的输入、输出接口，简化设备间连接形式，减小单机结构体积。从***级解决方案中单机互为热备份，在不断电情况下更换故障单机的热插拔设计难点。
背板箱中主要进行冗余电信号的合并设计，通过接口板、汇流条等将单机的各种输入、输出接口信号在背板箱中完成同性质信号的合并。由背板箱的插座墙统一配电测控子***对外的输入、输出接口。
a)背板箱结构设计
单机机箱由定位导向控制沿设备托盘推入背板箱，并与背板箱接口推入插合，更换时，可轻力分离拔出。
背板箱结构设计时，与机柜的承力支架、机柜设备的托盘、单机机箱、单机机箱推入的定位导向进行整体设计，保证单机机箱与背板箱间接口对接满足公差要求。
背板箱的输入接口为：带定为导向销、推入插合、轻插拔力分离的J95系列框架面板组合式矩形电连接器。
b)对各单机的设计要求
各单机对有***冗余要求的支路要设计有单机保护电路，防止故障单机将故障点引入和电流倒灌。
供配电单机将监测的工作电压、电流、供电状态等各种参数，通过1553B总线数据传输通道传输到测控设备，测控设备进行汇总和转换处理，再通过测控网络传输到测控计算机进行监测。单机出现故障时，可通过监测信息及时发现。
具体的实施方式主要包括供配电测控子***设计、热插拔冗余设计。具体步骤为：
1、热插拔冗余设计
两台相同的配电控制组合和一台配电控制组合背板箱组成一套产品，两台配电控制组合互为热备份。
配电控制组合背板箱内部没有阻容、半导体等电子元器件，它的主要功能是连接两台配电控制组合，背板箱内部两侧分别配有导向装置引导配电控制组合顺利***背板箱，通过撞接式的接插件连接两台配电控制组合，实现并联备份，单机故障情况下实现配电控制组合快速更换，提高供电可靠性和维修性。接插件采用自带定位销框架的J95系列面板组合式矩形电连接器，可以实现盲插和快速分离。
配电控制组合采用双机并联冗余的工作方式。由于对外输出均是直流信号，故采用了二极管互顶的方式实现并联。
2、故障隔离设计
1553B控制单元用于接收***的总线指令，并将其转化为继电器线包控制信号，继而实现各供电支路的供配电功能。配电控制组合控制单元组成框图如图1所示。
为了在节点发生故障时不影响总线上其它节点正常工作，配电控制组合采用变压器耦合方式连接到1553B总线上，故障隔离部分原理框图如图2所示。
3、实时监测设计
配电控制组合具有自我检测功能，采集各供电支路的供电信息以及本机参数，为了防止测量对各路供电的影响，各路电压及电流测量均采用隔离测量方式，将被测各路模拟量隔离采样送总线控制单元处理；配电控制组合作为RT，将总线控制单元处理的数字信号经总线上传至***BC，BC将所有采集到的信息进行转换，经以太网周期向后端发送并在后端监测界面上显示，实现各种检测功能。
当两台配电控制组合上传的通断数据不同，根据***发送的指令，即可判断是否有故障以及故障位置。
4、工作状态采集电路设计
配电控制组合要求上传当前工作状态，原理如图3。
图3中R3、R5阻值10kΩ，R4阻值为1kΩ，R1阻值为68Ω，R2阻值为680Ω，V3为3.3V稳压管，V2型号为BT4401，V4型号为1N4148，V1型号为2CZ103H，U1型号为V0618A-3。
图3中R2的左端接收软件电路传来的1553B总线信号，当1553B总线信号为高电平(为3.3V)，光耦U1导通，R3的左边的电压约为27V，从而电流通过V3进入V2基极，此时V2导通，继电器K1动作闭合。同理，当R2左端为低电平，K1复位。
可选的，V4的阳极接收前端***的手动控制信号，当其为高电平，R5的左边的电压约为27V，因此与U1导通类似，V2导通，K1动作，当V4阳极没有接收到控制信号，K1复位。
下面复算三极管V2的发射极-集电极电流最大电流，看是否满足K1导通要求。当V2导通，其基极电压(也就是R4两端电压)被钳位至0.7V，因此流过V3的电流为(27V-3.3V)/10kΩ＝2.37mA。输入到V2基极电流为2.37mA-0.7V/1kΩ＝1.67mA。三极管V2的放大倍数为100至300，故V2的发射极-集电极电流最大可达167mA至501mA。
配电控制组合的主控芯片采用TI公司的TMS320F2812系列数字信号处理器。1553B协议芯片772所的B61580S3芯片，该协议芯片包含微处理器和1553B总线之间完备的接口，具有BC、RT、BM三种工作模式，提供了一个4K字的内部共享静态RAM和与处理器总线之间的缓冲接口，软件接口包括17个内部共享操作寄存器、8个测试寄存器以及64K字的共享存储器地址空间。
本发明虽然已以较佳实施例公开如上，但其并不是用来限定本发明，任何本领域技术人员在不脱离本发明的精神和范围内，都可以利用上述揭示的方法和技术内容对本发明技术方案做出可能的变动和修改，因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化及修饰，均属于本发明技术方案的保护范围。
本发明说明书中未作详细描述的内容属本领域技术人员的公知技术。

Claims (10)

1.一种供配电测控在线热插拔冗余***，其特征在于，包括：供配电单元A、供配电单元B、单机保护电路、1553B控制单元；
1553B控制单元：接收外部输入指令信号，将指令信号转换为1553B总线信号并同步传输给供配电单元A、供配电单元B；
供配电单元A：接收1553B控制单元传输的1553B总线信号，根据1553B总线信号向多个测控设备进行供电；同时监测供配电单元A自身的工作电压、电流、供电状态，并通过1553B控制单元传输给测控设备；
供配电单元B：接收1553B控制单元传输的1553B总线信号，根据1553B总线信号向多个测控设备进行供电；同时监测供配电单元B自身的工作电压、电流、供电状态，并通过1553B控制单元传输给测控设备；
单机保护电路：每个测控设备配置有对应的单机保护电路；在测控设备的电压或电流高于额定值时，断开测控设备与供配电单元A、供配电单元B之间的电路连接。
2.根据权利要求1所述的一种供配电测控在线热插拔冗余***，其特征在于，所述1553B控制单元包括：隔离变压器A、隔离变压器B、1553B协议芯片和DSP2812芯片；
隔离变压器A通过通道A接收外部输入的指令信号，对指令信号进行变压处理，获得变压后的指令信号，并传输给1553B协议芯片；
隔离变压器B通过通道B接收外部输入的指令信号，对指令信号进行变压处理，获得变压后的指令信号，并传输给1553B协议芯片；
1553B协议芯片接收隔离变压器A和隔离变压器B传输的变压后的指令信号，根据通信协议对指令信号进行解析处理，获得地址信号和控制信号并传输给DSP2812芯片；同时，接收DSP2812芯片传输的数据信号，根据通信协议对数据信号进行组帧处理并通过隔离变压器A、隔离变压器B回传给测控设备；
DSP2812芯片接收1553B协议芯片传输的地址信号和控制信号并传输给外部硬件执行电路，同时，接收供配电单元A传输的工作电压、电流、供电状态和供配电单元B传输的工作电压、电流、供电状态并作为数据信号传输给1553B协议芯片。
3.根据权利要求2所述的一种供配电测控在线热插拔冗余***，其特征在于，所述指令信号进行变压处理后的电压根据1553B协议芯片的工作电压确定。
4.根据权利要求2或3所述的一种供配电测控在线热插拔冗余***，其特征在于，供配电单元A包括：电阻R1、电阻R2、光耦U1、电阻R3、电阻R4、二极管V1、二极管V3、电容C1、NPN型三极管V2和继电器K1A；
电阻R2的一端作为输入端接收1553B总线信号，电阻R2的另一端连接光耦U1的输入端，光耦U1的接地端接地处理，光耦U1的输出端连接电阻R3的一端，光耦U1的供电输入端接收二次供电；R3的另一端连接二极管V3的阴极，二极管V3的阳极连接电容C1的一端，电阻R4的一端和NPN型三极管V2的基极；电容C1的另一端，电阻R4的另一端和NPN型三极管V2的发射极接地处理；NPN型三极管V2的集电极连接电阻R1的一端和继电器K1A的一端，电阻R1的另一端连接二极管V1的阳极和继电器K1A的另一端，二极管V1的阴极接收二次供电。
5.根据权利要求4所述的一种供配电测控在线热插拔冗余***，其特征在于，三极管V2的放大倍数取值范围为100至300倍。
6.根据权利要求5所述的一种供配电测控在线热插拔冗余***，其特征在于，电阻R3和电阻R5的阻值均为10kΩ。
7.根据权利要求6所述的一种供配电测控在线热插拔冗余***，其特征在于，电阻R4的阻值为1kΩ。
8.根据权利要求7所述的一种供配电测控在线热插拔冗余***，其特征在于，电阻R1的阻值为68Ω。
9.根据权利要求8所述的一种供配电测控在线热插拔冗余***，其特征在于，电阻R2的阻值为680Ω。
10.根据权利要求9所述的一种供配电测控在线热插拔冗余***，其特征在于，二极管V3为3.3V稳压管。
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