CN104392603B - An intelligent diagnosis system for on-site power consumption information collection equipment - Google Patents
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Abstract
本发明提供一种现场用电信息采集设备智能诊断系统，包括交流采样测量单元、遥信输出单元、脉冲输出单元、RS‑485单元、远程通信单元、多路服务器、精密时基源和电源单元；交流采样测量单元、遥信输出单元、脉冲输出单元、精密时基源和电源单元分别与多路服务器单向连接，RS‑485单元和远程通信单元分别与多路服务器双向连接。本发明在用电现场对采集设备进行诊断，分别检测采集设备的交流采样端口、遥信端口、脉冲端口和通信接口，以确定采集设备的工作状态和设备状态，评估现场用电信息采集系统的可用性。
The invention provides an intelligent diagnosis system for on-site electricity information collection equipment, including an AC sampling and measuring unit, a remote signal output unit, a pulse output unit, an RS-485 unit, a remote communication unit, a multi-channel server, a precise time base source and a power supply unit ; The AC sampling and measurement unit, remote signal output unit, pulse output unit, precision time base source and power supply unit are connected to multi-channel servers in one direction, and the RS‑485 unit and remote communication unit are connected to multi-channel servers in two directions. The present invention diagnoses the collection equipment at the electricity consumption site, respectively detects the AC sampling port, the remote signaling port, the pulse port and the communication interface of the collection equipment to determine the working status and equipment status of the collection equipment, and evaluates the performance of the on-site electricity consumption information collection system. availability.
Description
技术领域technical field
本发明涉及一种诊断系统，具体涉及一种现场用电信息采集设备智能诊断系统。The invention relates to a diagnosis system, in particular to an intelligent diagnosis system for on-site electricity consumption information collection equipment.
背景技术Background technique
用电信息采集设备是应用于用电现场的专变采集终端、集中器和采集器，主要功能是采集电能表数据、生成终端数据并将数据上传主站。采集设备应用于用电现场时，常用端口包括交流采样、遥信、脉冲、RS-485、以太网、红外等。The power consumption information collection equipment is a special transformer collection terminal, concentrator and collector applied to the power consumption site. Its main function is to collect energy meter data, generate terminal data and upload the data to the master station. When the acquisition equipment is applied to the power consumption site, the commonly used ports include AC sampling, remote signaling, pulse, RS-485, Ethernet, infrared, etc.
目前，中国正在进行用电信息采集系统建设，由于系统规模大，设备厂家多、产品类型多，现场安装的大量采集终端和表计的质量存在一定差异，使用寿命也各不相同。采集系统开始建设之后的一段时间里，现场采集设备因长时间连续运行而暴露出一些问题，包括遥信端口失效、脉冲端口失效、本地通信接口失效等，严重影响了采集设备的现场应用效果，在很大程度上制约了采集系统的推广和应用。At present, China is building an electricity consumption information collection system. Due to the large scale of the system, many equipment manufacturers, and various product types, there are certain differences in the quality and service life of a large number of collection terminals and meters installed on site. For a period of time after the construction of the acquisition system started, the on-site acquisition equipment exposed some problems due to long-term continuous operation, including the failure of the remote signaling port, the failure of the pulse port, and the failure of the local communication interface, which seriously affected the field application effect of the acquisition equipment. To a large extent, it restricts the popularization and application of the acquisition system.
发明内容Contents of the invention
为解决用电信息采集系统建设和运行过程中现场采集设备的智能诊断分析问题，本发明提供一种现场用电信息采集设备智能诊断系统，在用电现场对采集设备进行诊断，分别检测采集设备的交流采样端口、遥信端口、脉冲端口和通信接口，以确定采集设备的工作状态和设备状态，评估现场用电信息采集系统的可用性。In order to solve the problem of intelligent diagnosis and analysis of on-site collection equipment during the construction and operation of the electricity consumption information collection system, the invention provides an intelligent diagnosis system for on-site electricity consumption information collection equipment, which diagnoses the collection equipment at the electricity consumption site and detects the collection equipment separately The AC sampling port, remote signaling port, pulse port and communication interface are used to determine the working status and equipment status of the collection equipment, and to evaluate the availability of the on-site power consumption information collection system.
为了实现上述发明目的，本发明采取如下技术方案：In order to realize the above-mentioned purpose of the invention, the present invention takes the following technical solutions:
本发明提供一种现场用电信息采集设备智能诊断系统，所述诊断系统包括交流采样测量单元、遥信输出单元、脉冲输出单元、RS-485单元、远程通信单元、多路服务器、精密时基源和电源单元；所述交流采样测量单元、遥信输出单元、脉冲输出单元、精密时基源和电源单元分别与所述多路服务器单向连接，所述RS-485单元和远程通信单元分别与多路服务器双向连接。The invention provides an intelligent diagnosis system for on-site electricity information collection equipment, the diagnosis system includes an AC sampling and measuring unit, a remote signal output unit, a pulse output unit, an RS-485 unit, a remote communication unit, a multi-channel server, and a precision time base source and power supply unit; the AC sampling measurement unit, remote signal output unit, pulse output unit, precision time base source and power supply unit are connected to the multi-channel server in one direction respectively, and the RS-485 unit and remote communication unit are respectively Bi-directional connection with multi-way servers.
所述交流采样测量单元通过电压测量端子并联在现场用电信息采集设备的电压端子上，通过电流测量端子串联在现场用电信息采集设备的电流端子上。The AC sampling and measuring unit is connected in parallel to the voltage terminal of the on-site power consumption information collection device through the voltage measurement terminal, and connected in series to the current terminal of the on-site power consumption information collection device through the current measurement terminal.
所述交流采样测量单元对现场用电信息采集设备进行电压和电流的采样，记录当前电压及电流的有效值，将采样结果发送给所述多路服务器；所述交流采样测量单元采样得到的电压和电流准确度等级为0.05级。The AC sampling and measuring unit samples the voltage and current of the on-site power consumption information collection equipment, records the effective value of the current voltage and current, and sends the sampling result to the multi-channel server; the AC sampling and measuring unit samples the obtained voltage And the current accuracy level is 0.05.
所述遥信输出单元通过遥信输出端子连接在现场用电信息采集设备的遥信端子上，所述遥信输出单元从多路服务器接收遥信控制命令，并向外输出无源的状态模拟量用于控制现场用电信息采集设备遥信状态的断开与闭合。The remote signal output unit is connected to the remote signal terminal of the on-site electricity information collection device through the remote signal output terminal, the remote signal output unit receives remote signal control commands from the multi-channel server, and outputs passive state simulation The quantity is used to control the opening and closing of the remote signaling status of the on-site power consumption information collection equipment.
所述脉冲输出单元通过脉冲输出端子连接在现场用电信息采集设备的脉冲端子上，其从多路服务器接收脉冲控制命令，并向外输出脉宽为80ms的无源脉冲，使现场用电信息采集设备按照脉冲个数统计电量值，并按照脉冲频率统计功率值。The pulse output unit is connected to the pulse terminal of the on-site power consumption information collection device through the pulse output terminal, it receives the pulse control command from the multi-channel server, and outputs a passive pulse with a pulse width of 80ms to make the on-site power consumption information The acquisition device counts the power value according to the number of pulses, and counts the power value according to the pulse frequency.
所述脉冲输出单元设定输出脉冲总个数和脉冲总时间，并求取脉冲总个数和脉冲总时间的比作为脉冲频率；所述脉冲总个数为输出脉冲后电能示值与输出脉冲前电能示值的差，作为脉冲输出前后的电量差值；脉冲输出单元读取来自现场用电信息采集设备的功率值，该功率值为脉冲频率与3600s的乘积。The pulse output unit sets the total number of output pulses and the total time of pulses, and calculates the ratio of the total number of pulses to the total time of pulses as the pulse frequency; The difference between the previous electric energy indications is used as the electric quantity difference before and after the pulse output; the pulse output unit reads the power value from the on-site electricity information collection equipment, and the power value is the product of the pulse frequency and 3600s.
所述RS-485单元通过RS-485串口线连接在现场用电信息采集设备的RS-485端口上，以符合通信协议的报文与现场用电信息采集设备交互；其对现场用电信息采集设备的抄读电能表数据的命令进行应答，将预先存储的数据上报现场用电信息采集设备；所述RS-485单元接收多路服务器的本地通信控制命令，并将通信结果发送给多路服务器。The RS-485 unit is connected to the RS-485 port of the on-site power consumption information collection device through the RS-485 serial port line, and interacts with the on-site power consumption information collection device with messages in compliance with the communication protocol; The device responds to the command of reading the data of the electric energy meter, and reports the pre-stored data to the on-site power consumption information collection device; the RS-485 unit receives the local communication control command of the multi-channel server, and sends the communication result to the multi-channel server .
所述RS-485单元内置数据库，该数据库中存储了电能表应存储的数据；The RS-485 unit has a built-in database, which stores the data that the electric energy meter should store;
现场用电信息采集设备与所述RS-485单元通信时，所述RS-485单元先对通信报文进行判断，提取出该通信报文抄读的数据标识，然后按照该数据标识在数据库中查找到对应的数据内容，并将该数据内容按照DL/T 645-2007的格式组成报文，最后将组成的报文通过RS-485串口线向现场用电信息采集设备发送，实现模拟表的功能。When the on-site power consumption information collection equipment communicates with the RS-485 unit, the RS-485 unit first judges the communication message, extracts the data identifier copied from the communication message, and then stores it in the database according to the data identifier The corresponding data content is found, and the data content is composed into a message according to the format of DL/T 645-2007, and finally the composed message is sent to the on-site electricity information collection device through the RS-485 serial port line, so as to realize the analog meter Function.
所述远程通信单元通过RJ-45接口与现场用电信息采集设备连接，按照远程通信协议通过以太网与现场用电信息采集设备通信，并向现场用电信息采集设备下发抄读电能表信息和读取现场用电信息采集设备状态的命令；所述远程通信单元接收多路服务器的远程通信控制命令，按照远程通信控制命令与现场用电信息采集设备进行远程通信，并将通信报文发送给多路服务器。The remote communication unit is connected to the on-site power consumption information collection device through the RJ-45 interface, communicates with the on-site power consumption information collection device through Ethernet according to the remote communication protocol, and sends the reading information of the electric energy meter to the on-site power consumption information collection device and the command to read the state of the on-site power consumption information collection device; the remote communication unit receives the remote communication control command of the multi-channel server, performs remote communication with the on-site power consumption information collection device according to the remote communication control command, and sends the communication message to For multiple servers.
所述精密时基源向多路服务器提供精确时钟信号，所述多路服务器与交流采样测量单元、遥信输出单元、脉冲输出单元、RS-485单元和远程通信单元进行通信的同时，与外部计算机进行数据交互。The precise time base source provides precise clock signals to the multi-channel server, and the multi-channel server communicates with the AC sampling and measuring unit, the remote signal output unit, the pulse output unit, the RS-485 unit and the remote communication unit, and communicates with the external computer for data interaction.
与现有技术相比，本发明的有益效果在于：Compared with prior art, the beneficial effect of the present invention is:
本发明提供的现场用电信息采集设备智能诊断系统在用电现场对采集设备进行诊断，分别检测采集设备的交流采样端口、遥信端口、脉冲端口和通信接口，以确定现场用电信息采集设备的工作状态和设备状态，评估现场用电信息采集设备的可用性，实现了用电信息采集系统现场采集设备的现场诊断分析功能，为现场运维人员提供直观、准确的运维数据和图形及一体化检测分析手段，便于现场用电信息采集设备特定功能分析，为故障定位和处理提供有效依据，进一步提高了用电信息采集系统现场运行的安全性、稳定性和可靠性，降低了运维费用，更好的满足电力企业的实际需求，为加快推进用电信息采集系统和智能电网建设提供技术支撑。The intelligent diagnosis system for on-site power consumption information collection equipment provided by the present invention diagnoses the collection equipment at the power consumption site, and respectively detects the AC sampling port, remote signaling port, pulse port and communication interface of the collection equipment to determine the on-site power consumption information collection equipment. It can evaluate the availability of on-site power consumption information collection equipment, realize the on-site diagnosis and analysis function of on-site collection equipment in the power consumption information collection system, and provide on-site operation and maintenance personnel with intuitive and accurate operation and maintenance data and graphics. It is convenient for the specific function analysis of on-site power consumption information collection equipment, provides effective basis for fault location and processing, further improves the safety, stability and reliability of the power consumption information collection system on-site operation, and reduces operation and maintenance costs , to better meet the actual needs of power companies, and provide technical support for accelerating the construction of power consumption information collection systems and smart grids.
附图说明Description of drawings
图1是本发明实施例中现场用电信息采集设备智能诊断系统结构框图。Fig. 1 is a structural block diagram of an intelligent diagnosis system for an on-site power consumption information collection device in an embodiment of the present invention.
具体实施方式detailed description
下面结合附图对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the accompanying drawings.
随着用电信息采集系统建设对现场设备运行稳定性的要求不断提高，需要更深入地研究现场用电信息采集设备长期运行的各项参数和指标，在现场诊断工作中对采集设备的输入输出功能进行全面测试。为改善现场用电信息采集设备应用环境，取得稳定的运行效果，更好地服务于用电信息采集系统建设，本发明提供一种现场用电信息采集设备智能诊断系统，在用电现场对采集设备进行诊断，分别检测采集设备的交流采样端口、遥信端口、脉冲端口和通信接口，以确定采集设备的工作状态和设备状态，评估现场用电信息采集系统的可用性。现场用电信息采集设备智能诊断系统将为解决现场采集设备工作状态异常的问题提供测试手段，进一步提高用电信息采集系统现场运行的安全性、稳定性和可靠性，降低运维费用，更好的满足电力企业的实际需求，为加快推进用电信息采集系统和智能电网建设提供技术支撑。With the continuous improvement of the requirements for the operation stability of on-site equipment in the construction of the electricity consumption information collection system, it is necessary to study in depth the various parameters and indicators of the long-term operation of the on-site electricity consumption information collection equipment, and the input and output of the collection equipment in the field diagnosis work Functionality is fully tested. In order to improve the application environment of on-site power consumption information collection equipment, achieve stable operation effects, and better serve the construction of the power consumption information collection system, the invention provides an intelligent diagnosis system for on-site power consumption information collection equipment, which can monitor the collected The equipment is diagnosed, and the AC sampling port, remote signaling port, pulse port and communication interface of the collection equipment are detected separately to determine the working status and equipment status of the collection equipment, and to evaluate the availability of the on-site power consumption information collection system. The intelligent diagnosis system of on-site power consumption information collection equipment will provide testing means to solve the problem of abnormal working status of on-site collection equipment, further improve the safety, stability and reliability of on-site operation of the power consumption information collection system, reduce operation and maintenance costs, and better It meets the actual needs of power companies and provides technical support for accelerating the construction of power consumption information collection systems and smart grids.
如图1，本发明提供一种现场用电信息采集设备智能诊断系统，所述诊断系统包括交流采样测量单元、遥信输出单元、脉冲输出单元、RS-485单元、远程通信单元、多路服务器、精密时基源和电源单元；所述交流采样测量单元、遥信输出单元、脉冲输出单元、精密时基源和电源单元分别与所述多路服务器单向连接，所述RS-485单元和远程通信单元分别与多路服务器双向连接。As shown in Figure 1, the present invention provides an intelligent diagnostic system for on-site electricity information collection equipment, the diagnostic system includes an AC sampling and measurement unit, a remote signal output unit, a pulse output unit, an RS-485 unit, a remote communication unit, and a multi-channel server , a precise time base source and a power supply unit; the AC sampling and measuring unit, the remote signal output unit, the pulse output unit, the precise time base source and the power supply unit are respectively connected to the multi-channel server in one direction, and the RS-485 unit and The remote communication units are bidirectionally connected with multiple servers respectively.
所述交流采样测量单元通过电压测量端子并联在现场用电信息采集设备的电压端子上，通过电流测量端子串联在现场用电信息采集设备的电流端子上。The AC sampling and measuring unit is connected in parallel to the voltage terminal of the on-site power consumption information collection device through the voltage measurement terminal, and connected in series to the current terminal of the on-site power consumption information collection device through the current measurement terminal.
所述交流采样测量单元对现场用电信息采集设备进行电压和电流的采样，记录当前电压及电流的有效值，将采样结果发送给所述多路服务器；所述交流采样测量单元采样得到的电压和电流准确度等级为0.05级。The AC sampling and measuring unit samples the voltage and current of the on-site power consumption information collection equipment, records the effective value of the current voltage and current, and sends the sampling result to the multi-channel server; the AC sampling and measuring unit samples the obtained voltage And the current accuracy level is 0.05.
所述遥信输出单元通过遥信输出端子连接在现场用电信息采集设备的遥信端子上，所述遥信输出单元从多路服务器接收遥信控制命令，并向外输出无源的状态模拟量用于控制现场用电信息采集设备遥信状态的断开与闭合。The remote signal output unit is connected to the remote signal terminal of the on-site electricity information collection device through the remote signal output terminal, the remote signal output unit receives remote signal control commands from the multi-channel server, and outputs passive state simulation The quantity is used to control the opening and closing of the remote signaling status of the on-site power consumption information collection equipment.
所述脉冲输出单元通过脉冲输出端子连接在现场用电信息采集设备的脉冲端子上，其从多路服务器接收脉冲控制命令，并向外输出脉宽为80ms的无源脉冲，使现场用电信息采集设备按照脉冲个数统计电量值，并按照脉冲频率统计功率值。The pulse output unit is connected to the pulse terminal of the on-site power consumption information collection device through the pulse output terminal, it receives the pulse control command from the multi-channel server, and outputs a passive pulse with a pulse width of 80ms to make the on-site power consumption information The acquisition device counts the power value according to the number of pulses, and counts the power value according to the pulse frequency.
所述脉冲输出单元设定输出脉冲总个数和脉冲总时间，并求取脉冲总个数和脉冲总时间的比作为脉冲频率；所述脉冲总个数为输出脉冲后电能示值与输出脉冲前电能示值的差，作为脉冲输出前后的电量差值；脉冲输出单元读取来自现场用电信息采集设备的功率值，该功率值为脉冲频率与3600s的乘积。The pulse output unit sets the total number of output pulses and the total time of pulses, and calculates the ratio of the total number of pulses to the total time of pulses as the pulse frequency; The difference between the previous electric energy indications is used as the electric quantity difference before and after the pulse output; the pulse output unit reads the power value from the on-site electricity information collection equipment, and the power value is the product of the pulse frequency and 3600s.
所述RS-485单元通过RS-485串口线连接在现场用电信息采集设备的RS-485端口上，以符合通信协议的报文与现场用电信息采集设备交互；其对现场用电信息采集设备的抄读电能表数据的命令进行应答，将预先存储的数据上报现场用电信息采集设备；所述RS-485单元接收多路服务器的本地通信控制命令，并将通信结果发送给多路服务器。The RS-485 unit is connected to the RS-485 port of the on-site power consumption information collection device through the RS-485 serial port line, and interacts with the on-site power consumption information collection device with messages in compliance with the communication protocol; The device responds to the command of reading the data of the electric energy meter, and reports the pre-stored data to the on-site power consumption information collection device; the RS-485 unit receives the local communication control command of the multi-channel server, and sends the communication result to the multi-channel server .
所述RS-485单元内置数据库，该数据库中存储了电能表应存储的数据；The RS-485 unit has a built-in database, which stores the data that the electric energy meter should store;
现场用电信息采集设备与所述RS-485单元通信时，所述RS-485单元先对通信报文进行判断，提取出该通信报文抄读的数据标识，然后按照该数据标识在数据库中查找到对应的数据内容，并将该数据内容按照DL/T 645-2007的格式组成报文，最后将组成的报文通过RS-485串口线向现场用电信息采集设备发送，实现模拟表的功能。When the on-site power consumption information collection equipment communicates with the RS-485 unit, the RS-485 unit first judges the communication message, extracts the data identifier copied from the communication message, and then stores it in the database according to the data identifier The corresponding data content is found, and the data content is composed into a message according to the format of DL/T 645-2007, and finally the composed message is sent to the on-site electricity information collection device through the RS-485 serial port line, so as to realize the analog meter Function.
所述远程通信单元通过RJ-45接口与现场用电信息采集设备连接，按照远程通信协议通过以太网与现场用电信息采集设备通信，并向现场用电信息采集设备下发抄读电能表信息和读取现场用电信息采集设备状态的命令；所述远程通信单元接收多路服务器的远程通信控制命令，按照远程通信控制命令与现场用电信息采集设备进行远程通信，并将通信报文发送给多路服务器。The remote communication unit is connected to the on-site power consumption information collection device through the RJ-45 interface, communicates with the on-site power consumption information collection device through Ethernet according to the remote communication protocol, and sends the reading information of the electric energy meter to the on-site power consumption information collection device and the command to read the state of the on-site power consumption information collection device; the remote communication unit receives the remote communication control command of the multi-channel server, performs remote communication with the on-site power consumption information collection device according to the remote communication control command, and sends the communication message to For multiple servers.
所述精密时基源向多路服务器提供精确时钟信号，所述多路服务器与交流采样测量单元、遥信输出单元、脉冲输出单元、RS-485单元和远程通信单元进行通信的同时，与外部计算机进行数据交互。The precise time base source provides precise clock signals to the multi-channel server, and the multi-channel server communicates with the AC sampling and measuring unit, the remote signal output unit, the pulse output unit, the RS-485 unit and the remote communication unit, and communicates with the external computer for data interaction.
该诊断系统适用于分析现场用电信息采集设备的工作状态，现场用电信息采集设备包括专变采集终端、集中器和采集器。在现场用电信息采集设备工作时，对电压和电流进行交流采样，监听遥信信号，接收脉冲信号，采集电能表数据，与主站通信。现场用电信息采集设备实时采集自身接入的电压及电流有效值，并以1min的周期更新至交采测量点的数据记录中。现场用电信息采集设备实时采集自身接入的遥信信号，判断当前遥信信号属于断开状态或闭合状态，并且实时检测遥信信号的状态是否产生了向另一种状态改变的情况，若遥信信号的状态发生变化，则按照参数设置的要求记录事件并上报主站。现场用电信息采集设备实时采集自身接入的脉冲信号，按照脉冲信号的数量和频率记录脉冲测量点的电量及功率。现场用电信息采集设备通过本地通信方式周期采集自身接入的电能表，按照通信协议将电能表应答的数据计入电能表测量点中。现场用电信息采集设备通过远程通信方式与主站进行通信，将存储的数据上报主站。The diagnostic system is suitable for analyzing the working status of on-site power consumption information collection equipment, which includes special transformer collection terminals, concentrators and collectors. When the on-site power consumption information collection equipment is working, it conducts AC sampling of voltage and current, monitors remote signaling signals, receives pulse signals, collects energy meter data, and communicates with the master station. The on-site power consumption information collection equipment collects the voltage and current effective value connected to itself in real time, and updates it to the data record of the inter-acquisition measurement point at a cycle of 1 minute. The on-site power consumption information collection equipment collects the remote signaling signal connected by itself in real time, judges whether the current remote signaling signal belongs to the disconnected state or the closed state, and detects in real time whether the state of the remote signaling signal has changed to another state, if If the status of the remote signaling signal changes, the event will be recorded and reported to the master station according to the requirements of the parameter settings. The on-site power consumption information collection equipment collects the pulse signals connected by itself in real time, and records the power and power of the pulse measurement points according to the number and frequency of pulse signals. The on-site power consumption information collection equipment periodically collects the electric energy meter connected to itself through local communication, and counts the data responded by the electric energy meter into the electric energy meter measurement point according to the communication protocol. On-site power consumption information collection equipment communicates with the master station through remote communication, and reports the stored data to the master station.
最后应当说明的是：以上实施例仅用以说明本发明的技术方案而非对其限制，所属领域的普通技术人员参照上述实施例依然可以对本发明的具体实施方式进行修改或者等同替换，这些未脱离本发明精神和范围的任何修改或者等同替换，均在申请待批的本发明的权利要求保护范围之内。Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Those of ordinary skill in the art can still modify or equivalently replace the specific implementation methods of the present invention with reference to the above embodiments. Any modifications or equivalent replacements departing from the spirit and scope of the present invention are within the protection scope of the claims of the pending application of the present invention.
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