CN106501692A - A kind of power distribution automation ring main unit partial discharge monitoring method and system - Google Patents
A kind of power distribution automation ring main unit partial discharge monitoring method and system Download PDFInfo
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Abstract
本发明属于电力系统配电技术领域。一种配电自动化环网柜局部放电监测方法，其特征在于包括如下步骤：1)准备配电自动化环网柜局部放电监测系统，定时监测间隔内的臭氧气体浓度；2)当气体浓度大于设定数值后，发报警信号；3)所述智能无线放电监测终端将臭氧气体浓度数据及报警信号，通过无线通信网络传输给通信服务器；传输给配电自动化终端；4)配电自动化终端将信息传送至配电自动化主站，在所述配电自动化主站的后台计算机上显示所有配电自动化环网柜的臭氧气体浓度及变化趋势、放电报警、局部放电监测系统工作状态信息。本发明可以实现配电自动化环网柜内局部放电的有效监测，提升配电自动化设备的运行可靠性及运维工作效率。
The invention belongs to the technical field of power system power distribution. A method for monitoring partial discharge in a power distribution automation ring network cabinet is characterized in that it includes the following steps: 1) prepare a power distribution automation ring network cabinet partial discharge monitoring system, and regularly monitor the ozone gas concentration in the interval; 2) when the gas concentration is greater than the set After setting the value, send an alarm signal; 3) the intelligent wireless discharge monitoring terminal transmits the ozone gas concentration data and the alarm signal to the communication server through the wireless communication network; transmits to the power distribution automation terminal; 4) the power distribution automation terminal transmits the information It is transmitted to the master station of power distribution automation, and the background computer of the master station of power distribution automation displays the ozone gas concentration and change trend, discharge alarm, and working status information of the partial discharge monitoring system of all power distribution automation ring network cabinets. The invention can realize the effective monitoring of partial discharge in the power distribution automation ring network cabinet, and improve the operation reliability and operation and maintenance efficiency of the power distribution automation equipment.
Description
技术领域technical field
本发明属于电力系统配电技术领域，具体指一种配电自动化环网柜局部放电监测方法以及监测系统。The invention belongs to the technical field of electric power system power distribution, and specifically refers to a partial discharge monitoring method and a monitoring system of a power distribution automation ring network cabinet.
背景技术Background technique
随着经济社会的发展，对配电网供电可靠性提出了更高的要求。环网柜作为配电网的重要设备，起着联接配电环网以及分配电能的重要作用，其可靠运行对确保配电网的供电可靠性起着关键性作用。根据对配电环网柜设备事故分析的经验，大部分配电环网柜设备短路故障是由于设备绝缘等级下降导致绝缘击穿引起。而设备绝缘等级下降是一个渐进的过程，在绝缘下降期间往往会呈现爬电、放电现象，如果能够对这些现象实施有效的监测，就可以及时发现和处理缺陷，减少事故发生的概率。With the development of economy and society, higher requirements are put forward for the reliability of distribution network power supply. As an important equipment of the distribution network, the ring main unit plays an important role in connecting the distribution ring network and distributing electric energy. Its reliable operation plays a key role in ensuring the reliability of the power supply of the distribution network. According to the experience of accident analysis of power distribution ring network cabinet equipment, most of the short circuit faults of power distribution ring network cabinet equipment are caused by insulation breakdown caused by the decrease of equipment insulation level. The degradation of equipment insulation level is a gradual process. During the period of insulation degradation, creepage and discharge phenomena often appear. If these phenomena can be effectively monitored, defects can be found and dealt with in time to reduce the probability of accidents.
现有技术手段无法有效开展配电环网柜局部放电监测，一方面局部放电监测技术尚未在配电环网柜内得到有效应用，另一方面监测信号无法有效汇总、处理和上传，即无法利用监测信息实施运检工作。近年来随着配电自动化工程建设的快速推进，对配电自动化环网柜一次设备局部放电的实时监测已是迫在眉睫所需解决的难题。Existing technical means cannot effectively carry out partial discharge monitoring of power distribution ring main unit. On the one hand, partial discharge monitoring technology has not been effectively applied in power distribution ring main unit. On the other hand, monitoring signals cannot be effectively summarized, processed and uploaded, that is, they cannot be used Monitor information and carry out inspection work. In recent years, with the rapid advancement of distribution automation engineering construction, the real-time monitoring of partial discharge of primary equipment of distribution automation ring main unit has become an urgent problem to be solved.
发明内容Contents of the invention
本发明的目的在于提供一种配电自动化环网柜局部放电监测方法及系统，该方法及系统可以实现配电自动化环网柜内局部放电的有效监测。The object of the present invention is to provide a method and system for monitoring partial discharge in an automatic power distribution ring network cabinet, which can realize effective monitoring of partial discharge in the automatic power distribution ring main unit.
为实现上述目的，本发明所采取的技术方案是：一种配电自动化环网柜局部放电监测方法，其特征在于包括如下步骤：In order to achieve the above object, the technical solution adopted by the present invention is: a method for monitoring partial discharge of a power distribution automation ring network cabinet, which is characterized in that it includes the following steps:
1)准备配电自动化环网柜局部放电监测系统，它包括智能无线放电监测终端1、通信服务器2和通信系统；通信系统包括无线通信网络5、以太网或RS485通信网6；1) Prepare the partial discharge monitoring system of the power distribution automation ring network cabinet, which includes an intelligent wireless discharge monitoring terminal 1, a communication server 2 and a communication system; the communication system includes a wireless communication network 5, Ethernet or RS485 communication network 6;
在配电自动化环网柜各一次设备间隔内安装智能无线放电监测终端1；由所述智能无线放电监测终端1定时监测间隔内的臭氧气体浓度；An intelligent wireless discharge monitoring terminal 1 is installed in each primary equipment interval of the power distribution automation ring network cabinet; the ozone gas concentration in the interval is regularly monitored by the intelligent wireless discharge monitoring terminal 1;
2)所述智能无线放电监测终端1对采集到的臭氧气体浓度数据进行处理，当气体浓度大于设定数值后，发报警信号；2) The intelligent wireless discharge monitoring terminal 1 processes the collected ozone gas concentration data, and sends an alarm signal when the gas concentration is greater than a set value;
3)所述智能无线放电监测终端1将臭氧气体浓度数据及报警信号，通过无线通信网络5传输给通信服务器2；所述通信服务器2对收集到的监测信息处理后进行存储、显示，并通过以太网或RS485通信网6将监测信息传输给配电自动化终端3；3) The intelligent wireless discharge monitoring terminal 1 transmits the ozone gas concentration data and the alarm signal to the communication server 2 through the wireless communication network 5; the communication server 2 stores and displays the collected monitoring information after processing, and passes The Ethernet or RS485 communication network 6 transmits the monitoring information to the power distribution automation terminal 3;
4)所述配电自动化终端3通过配电自动化通信系统7将信息传送至配电自动化主站4，在所述配电自动化主站4的后台计算机上显示所有配电自动化环网柜的臭氧气体浓度及变化趋势、放电报警、局部放电监测系统工作状态信息。4) The distribution automation terminal 3 transmits information to the distribution automation master station 4 through the distribution automation communication system 7, and displays the ozone of all distribution automation ring network cabinets on the background computer of the distribution automation master station 4. Gas concentration and change trend, discharge alarm, working status information of partial discharge monitoring system.
实现上述方法的配电自动化环网柜局部放电监测系统，其特征在于包括智能无线放电监测终端1、通信服务器2和通信系统；通信系统包括无线通信网络5、以太网或RS485通信网6；在配电自动化环网柜各一次设备间隔内安装智能无线放电监测终端1；由所述智能无线放电监测终端1定时监测间隔内的臭氧气体浓度；所述智能无线放电监测终端1将臭氧气体浓度数据及报警信号，通过无线通信网络5传输给通信服务器2；所述通信服务器2对收集到的监测信息处理后进行存储、显示，并通过以太网或RS485通信网6将监测信息传输给配电自动化终端3；所述配电自动化终端3通过配电自动化通信系统7将信息传送至配电自动化主站4。The partial discharge monitoring system of the power distribution automation ring network cabinet that realizes the above method is characterized in that it includes an intelligent wireless discharge monitoring terminal 1, a communication server 2 and a communication system; the communication system includes a wireless communication network 5, Ethernet or RS485 communication network 6; An intelligent wireless discharge monitoring terminal 1 is installed in each primary equipment interval of the power distribution automation ring network cabinet; the ozone gas concentration in the interval is regularly monitored by the intelligent wireless discharge monitoring terminal 1; the intelligent wireless discharge monitoring terminal 1 records the ozone gas concentration data and alarm signal, transmitted to the communication server 2 through the wireless communication network 5; the communication server 2 stores and displays the collected monitoring information after processing, and transmits the monitoring information to the distribution automation through the Ethernet or RS485 communication network 6 Terminal 3 ; the distribution automation terminal 3 transmits information to the distribution automation master station 4 through the distribution automation communication system 7 .
按上述技术方案，所述智能无线放电监测终端1包括传感器模块、信号处理模块、通信模块、开关量模块、电源模块、报警指示灯；According to the above technical solution, the intelligent wireless discharge monitoring terminal 1 includes a sensor module, a signal processing module, a communication module, a switch module, a power module, and an alarm indicator light;
所述传感器模块用于采集气体(臭氧气体)，并将臭氧气体浓度模拟量信息1.a传输给所述信号处理模块；The sensor module is used to collect gas (ozone gas), and transmits the ozone gas concentration analog quantity information 1.a to the signal processing module;
所述信号处理模块包括信号调理子模块、A/D转换子模块、信号处理子模块；信号调理子模块接收到所述臭氧气体浓度模拟量信息1.a后，先由所述信号调理子模块滤除所述臭氧气体浓度模拟量信息1.a中的杂波，然后将滤波后的信息1.b再经所述A/D转换子模块转变为数字量信息1.c，最后由信号处理子模块定期对数字量信息1.c进行计算和处理，处理周期由通信服务器2设定；当臭氧气体浓度大于设定数值时，信号处理子模块传输报警信号1.f给开关量模块；信号处理子模块处理完的臭氧气体浓度信息以及报警信息1.d传输给所述通信模块；此外，所述信号处理子模块还接受并执行来自通信模块的指令信息1.e，指令信息1.e包括数字量信息1.c的处理周期设定值以及数据召唤信息；The signal processing module includes a signal conditioning submodule, an A/D conversion submodule, and a signal processing submodule; after the signal conditioning submodule receives the ozone gas concentration analog quantity information 1.a, the signal conditioning submodule first Filter out the clutter in the ozone gas concentration analog information 1.a, then convert the filtered information 1.b into digital information 1.c through the A/D conversion sub-module, and finally process the The sub-module regularly calculates and processes the digital quantity information 1.c, and the processing cycle is set by the communication server 2; when the concentration of ozone gas is greater than the set value, the signal processing sub-module transmits the alarm signal 1.f to the switch module; the signal The ozone gas concentration information and alarm information 1.d processed by the processing sub-module are transmitted to the communication module; in addition, the signal processing sub-module also accepts and executes the instruction information 1.e and instruction information 1.e from the communication module Including the processing cycle setting value of digital quantity information 1.c and data call information;
所述通信模块将接受的臭氧气体浓度信息以及报警信息1.d转变为无线信号2.a，发送给通信服务器2；通信模块并接受来自所述通信服务器2的无线指令信息2.b，转变为指令信息(数字信息)1.e后传输给所述信号处理子模块；The communication module converts the received ozone gas concentration information and alarm information 1.d into a wireless signal 2.a, and sends it to the communication server 2; the communication module also accepts the wireless instruction information 2.b from the communication server 2, and converts It is transmitted to the signal processing sub-module after instruction information (digital information) 1.e;
所述开关量模块接收来自于信号处理子模块的报警信息1.f后，输出开关量信号1.g，点亮报警指示灯；当所述报警信息1.f消失后，熄灭所述报警指示灯；After the switch module receives the alarm information 1.f from the signal processing sub-module, it outputs the switch signal 1.g, and lights up the alarm indicator; when the alarm information 1.f disappears, the alarm indicator goes out lamp;
所述电源模块分别给传感器模块、信号处理模块、通信模块、开关量模块供电。The power supply module supplies power to the sensor module, the signal processing module, the communication module and the switch module respectively.
按上述技术方案，所述通信服务器包括通信模块、处理器模块、储存模块、显示模块和电源模块；According to the above technical solution, the communication server includes a communication module, a processor module, a storage module, a display module and a power supply module;
所述通信模块包括无线通信子模块、RS485通信模块以及以太网通信模块，分别配置有无线通信接口、RS485通信接口以及以太网通信接口；所述通信模块包括：1)无线通信子模块接收来自所述智能无线放电监测终端1的无线信号2.a，转化为数字信号2.c后传输给处理器模块；无线通信子模块并接收来自于处理器模块的指令信息2.d，将其转化为无线信号2.b后发送给所述智能无线放电监测终端1；2)通信模块接收处理器模块汇总处理好的气体浓度测量信息、报警信息、设备运行状态信息2.g，通过RS485通信模块或以太网通信模块将信息2.i发送给所述配电自动化终端3；3)通信模块接收从所述配电自动化终端3下发的指令信息2.j，通信模块通过RS485通信模块或以太网通信模块将指令信息2.h发送给所述处理器模块；Described communication module comprises wireless communication sub-module, RS485 communication module and Ethernet communication module, is respectively configured with wireless communication interface, RS485 communication interface and Ethernet communication interface; Described communication module comprises: 1) wireless communication sub-module receives from all The wireless signal 2.a of the intelligent wireless discharge monitoring terminal 1 is converted into a digital signal 2.c and then transmitted to the processor module; the wireless communication sub-module receives the command information 2.d from the processor module and converts it into After the wireless signal 2.b is sent to the intelligent wireless discharge monitoring terminal 1; 2) the communication module receives the processor module to collect and process the gas concentration measurement information, alarm information, and equipment operation status information 2.g, through the RS485 communication module or The Ethernet communication module sends the information 2.i to the distribution automation terminal 3; 3) the communication module receives the instruction information 2.j issued from the distribution automation terminal 3, and the communication module passes the RS485 communication module or Ethernet The communication module sends the instruction information 2.h to the processor module;
所述处理器模块功包括：1)处理来自于所述通信模块的气体浓度测量信息和报警信息2.c，将处理后的当前信息以及历史数据信息2.e发给所述显示模块，处理器模块的信息2.f存储在所述存储模块，处理器模块的汇总处理好的气体浓度测量信息、报警信息、设备运行状态等信息2.g发送给所述通信模块；2)处理器模块处理所述通信模块下发的指令信息2.h；3)处理器模块运行参数设置，将指令信息2.d发给所述通信模块；The function of the processor module includes: 1) processing the gas concentration measurement information and alarm information 2.c from the communication module, sending the processed current information and historical data information 2.e to the display module, processing The information 2.f of the processor module is stored in the storage module, and the information 2.g of the collected and processed gas concentration measurement information, alarm information, and equipment operating status of the processor module is sent to the communication module; 2) the processor module Processing the instruction information 2.h issued by the communication module; 3) setting the operating parameters of the processor module, and sending the instruction information 2.d to the communication module;
所述储存模块用于存储信息2.f，包括臭氧气体浓度测量信息、报警信息，可存储至少3个月的信息量；当调阅信息时，由所述处理器模块从所述储存模块内调取存储的信息2.f；The storage module is used to store information 2.f, including ozone gas concentration measurement information and alarm information, which can store at least 3 months of information; Retrieve stored information 2.f;
所述显示模块用于显示当前信息以及历史数据信息2.e，包括所述通信服务器运行状态、臭氧气体浓度测量信息；The display module is used to display current information and historical data information 2.e, including the communication server operating status, ozone gas concentration measurement information;
所述电源模块分别给通信模块、处理器模块、储存模块、显示模块供电。The power supply module supplies power to the communication module, the processor module, the storage module and the display module respectively.
所述配电自动化环网柜局部放电监测系统将臭氧气体浓度测量信息、报警信息上送给所述配电自动化终端3的方式有两种：一种是配电自动化环网柜局部放电监测系统根据通信服务器2设定的处理周期，定时将信息处理完毕后上送信息2.i给所述配电自动化终端3；另一种是由所述配电自动化终端3下发调取指令信息2.j给所述配电自动化环网柜局部放电监测系统，所述配电自动化环网柜局部放电监测系统收到指令信息2.j后，开展信息处理工作，信息处理完毕后上送信息2.i给所述配电自动化终端3。There are two ways for the distribution automation ring network cabinet partial discharge monitoring system to send ozone gas concentration measurement information and alarm information to the distribution automation terminal 3: one is the distribution automation ring network cabinet partial discharge monitoring system According to the processing cycle set by the communication server 2, after the information is processed regularly, the information 2.i is sent to the distribution automation terminal 3; .j to the partial discharge monitoring system of the power distribution automation ring network cabinet, and the power distribution automation ring network cabinet partial discharge monitoring system receives the instruction information 2.j, carries out information processing, and sends information 2 after the information processing is completed .i to the distribution automation terminal 3 .
局部放电是高压电器中的绝缘介质在高电场强度作用下，发生在电极之间的未贯穿的放电现象。高压电器放电过程生成一定量臭氧，通过测量“臭氧气体浓度”，可知是否局部放电。Partial discharge is a non-penetrating discharge phenomenon that occurs between electrodes in high-voltage electrical appliances under the action of high electric field strength. A certain amount of ozone is generated during the discharge process of high-voltage electrical appliances. By measuring the "ozone gas concentration", it can be known whether there is partial discharge.
本发明借助配电自动化通信系统，将环网柜各一次间隔内的臭氧气体浓度及变化趋势显示在配电自动化主站后台计算机上，实现对各配电自动化环网柜局部放电(一次间隔放电)的有效监测。With the help of the distribution automation communication system, the present invention displays the ozone gas concentration and change trend in each primary interval of the ring network cabinet on the background computer of the distribution automation master station, and realizes the partial discharge (primary interval discharge) of each distribution automation ring network cabinet. ) effective monitoring.
本发明的有效益效果是：本发明可以实现配电自动化环网柜内局部放电的有效监测，提升配电自动化设备的运行可靠性及运维工作效率。The beneficial effects of the present invention are: the present invention can realize the effective monitoring of partial discharge in the power distribution automation ring network cabinet, and improve the operation reliability and operation and maintenance efficiency of the power distribution automation equipment.
附图说明Description of drawings
图1为本发明所涉及的配电自动化环网柜局部放电监测(绝缘监测)方法的原理示意图。Fig. 1 is a schematic diagram of the principle of the partial discharge monitoring (insulation monitoring) method of the distribution automation ring main unit involved in the present invention.
图2为本发明所涉及的配电自动化环网柜局部放电监测(绝缘监测)系统中的智能无线放电监测终端的工作原理示意图。Fig. 2 is a schematic diagram of the working principle of the intelligent wireless discharge monitoring terminal in the partial discharge monitoring (insulation monitoring) system of the power distribution automation ring main unit involved in the present invention.
图3为本发明所涉及的配电自动化环网柜局部放电监测(绝缘监测)系统中的通信服务器的工作原理示意图。Fig. 3 is a schematic diagram of the working principle of the communication server in the partial discharge monitoring (insulation monitoring) system of the power distribution automation ring main unit involved in the present invention.
具体实施方式detailed description
以下结合附图以及实施案例，对本发明做进一步的描述：Below in conjunction with accompanying drawing and embodiment example, the present invention is further described:
如图1所示，一种配电自动化环网柜局部放电监测方法，包括如下步骤：As shown in Figure 1, a partial discharge monitoring method of a power distribution automation ring network cabinet includes the following steps:
1)准备配电自动化环网柜局部放电监测系统，它包括智能无线放电监测终端1、通信服务器2和通信系统；通信系统包括无线通信网络5、以太网或RS485通信网6；1) Prepare the partial discharge monitoring system of the power distribution automation ring network cabinet, which includes an intelligent wireless discharge monitoring terminal 1, a communication server 2 and a communication system; the communication system includes a wireless communication network 5, Ethernet or RS485 communication network 6;
在配电自动化环网柜各一次设备间隔内安装智能无线放电监测终端1；由所述智能无线放电监测终端1定时监测间隔内的臭氧气体浓度；An intelligent wireless discharge monitoring terminal 1 is installed in each primary equipment interval of the power distribution automation ring network cabinet; the ozone gas concentration in the interval is regularly monitored by the intelligent wireless discharge monitoring terminal 1;
2)所述智能无线放电监测终端1对采集到的臭氧气体浓度数据进行处理，当气体浓度大于设定数值后，发报警信号；2) The intelligent wireless discharge monitoring terminal 1 processes the collected ozone gas concentration data, and sends an alarm signal when the gas concentration is greater than a set value;
3)所述智能无线放电监测终端1将臭氧气体浓度数据及报警信号，通过无线通信网络5传输给通信服务器2；所述通信服务器2对收集到的各一次设备间隔的监测信息处理后进行存储、显示，并通过以太网或RS485通信网6将监测信息传输给配电自动化终端3；3) The intelligent wireless discharge monitoring terminal 1 transmits the ozone gas concentration data and the alarm signal to the communication server 2 through the wireless communication network 5; the communication server 2 stores the collected monitoring information of each primary equipment interval after processing , display, and transmit the monitoring information to the distribution automation terminal 3 through the Ethernet or RS485 communication network 6;
配电自动化终端(DTU)3是现有的配电自动化系统的组成部分，不属于局部放电监测系统的组成部分；配电自动化通信系统7、配电自动化主站4均是现有的配电自动化系统的组成部分；The distribution automation terminal (DTU) 3 is an integral part of the existing distribution automation system, not part of the partial discharge monitoring system; the distribution automation communication system 7 and the distribution automation master station 4 are all existing distribution automation systems. Components of automated systems;
4)所述配电自动化终端3通过配电自动化通信系统7将信息传送至配电自动化主站4，在所述配电自动化主站4的后台计算机上显示所有配电自动化环网柜各一次间隔的臭氧气体浓度及变化趋势、放电报警、局部放电监测系统工作状态等信息。4) The distribution automation terminal 3 transmits information to the distribution automation master station 4 through the distribution automation communication system 7, and all distribution automation ring network cabinets are displayed once on the background computer of the distribution automation master station 4 Interval ozone gas concentration and change trend, discharge alarm, working status of partial discharge monitoring system and other information.
如图1所示，配电自动化环网柜局部放电监测系统，包括智能无线放电监测终端1、通信服务器2和通信系统；通信系统包括无线通信网络5、以太网或RS485通信网6；在配电自动化环网柜各一次设备间隔内安装智能无线放电监测终端1；由所述智能无线放电监测终端1定时监测间隔内的臭氧气体浓度；所述智能无线放电监测终端1将臭氧气体浓度数据及报警信号，通过无线通信网络5传输给通信服务器2；所述通信服务器2对收集到的各一次设备间隔的监测信息进行处理后进行存储、显示，并通过以太网或RS485通信网6将监测信息传输给配电自动化终端3；所述配电自动化终端3通过配电自动化通信系统7将信息传送至配电自动化主站4。As shown in Figure 1, the partial discharge monitoring system of the power distribution automation ring network cabinet includes an intelligent wireless discharge monitoring terminal 1, a communication server 2 and a communication system; the communication system includes a wireless communication network 5, an Ethernet or RS485 communication network 6; An intelligent wireless discharge monitoring terminal 1 is installed in each primary equipment interval of the electric automation ring network cabinet; the ozone gas concentration in the interval is regularly monitored by the intelligent wireless discharge monitoring terminal 1; the intelligent wireless discharge monitoring terminal 1 records the ozone gas concentration data and The alarm signal is transmitted to the communication server 2 through the wireless communication network 5; the communication server 2 stores and displays the collected monitoring information of each primary equipment interval after processing, and transmits the monitoring information through the Ethernet or RS485 communication network 6 The information is transmitted to the distribution automation terminal 3; the distribution automation terminal 3 transmits the information to the distribution automation master station 4 through the distribution automation communication system 7.
如图2所示，所述智能无线放电监测终端1包括传感器模块、信号处理模块、通信模块、开关量模块、电源模块、报警指示灯；As shown in Figure 2, the intelligent wireless discharge monitoring terminal 1 includes a sensor module, a signal processing module, a communication module, a switch module, a power module, and an alarm indicator light;
所述传感器模块用于采集气体(臭氧气体)，并将臭氧气体浓度模拟量信息(小电压信号)1.a传输给所述信号处理模块(信号处理模块的信号调理子模块)；The sensor module is used to collect gas (ozone gas), and transmits the ozone gas concentration analog quantity information (small voltage signal) 1.a to the signal processing module (signal conditioning sub-module of the signal processing module);
如图2所示，所述信号处理模块包括信号调理子模块、A/D转换子模块、信号处理子模块；信号调理子模块接收到所述臭氧气体浓度模拟量信息1.a后，先由所述信号调理子模块滤除所述臭氧气体浓度模拟量信息1.a中的杂波，然后将滤波后的信息1.b再经所述A/D转换子模块转变为数字量信息1.c，最后由信号处理子模块定期对数字量信息1.c进行计算和处理，处理周期由通信服务器2设定；当臭氧气体浓度大于设定数值时，信号处理子模块传输报警信号1.f给开关量模块；信号处理子模块处理完的臭氧气体浓度信息以及报警信息1.d传输给所述通信模块；此外，所述信号处理子模块还接受并执行来自通信模块的指令信息1.e，指令信息1.e包括数字量信息1.c的处理周期设定值以及数据召唤信息；As shown in Figure 2, the signal processing module includes a signal conditioning submodule, an A/D conversion submodule, and a signal processing submodule; after the signal conditioning submodule receives the ozone gas concentration analog quantity information 1.a, the The signal conditioning sub-module filters out the clutter in the ozone gas concentration analog information 1.a, and then converts the filtered information 1.b into digital information 1.b through the A/D conversion sub-module. c. Finally, the signal processing sub-module regularly calculates and processes the digital information 1.c, and the processing period is set by the communication server 2; when the ozone gas concentration is greater than the set value, the signal processing sub-module transmits the alarm signal 1.f to the switching module; the ozone gas concentration information and alarm information 1.d processed by the signal processing sub-module are transmitted to the communication module; in addition, the signal processing sub-module also accepts and executes the instruction information 1.e from the communication module , the instruction information 1.e includes the processing cycle setting value of the digital quantity information 1.c and the data call information;
所述通信模块将接受的臭氧气体浓度信息以及报警信息1.d转变为无线信号2.a，发送给通信服务器2；并接受来自所述通信服务器2的无线指令信息2.b，转变为指令信息(数字信息)1.e后传输给所述信号处理子模块；The communication module converts the received ozone gas concentration information and alarm information 1.d into a wireless signal 2.a, and sends it to the communication server 2; and accepts the wireless instruction information 2.b from the communication server 2, and converts it into an instruction The information (digital information) 1.e is then transmitted to the signal processing submodule;
所述开关量模块接收来自于信号处理子模块(信号处理模块)的报警信息1.f后，输出开关量信号1.g，点亮报警指示灯(报警指示灯与开关量模块相连)；当所述报警信息1.f消失后，熄灭所述报警指示灯；After the switch quantity module receives the alarm information 1.f from the signal processing submodule (signal processing module), the output switch quantity signal 1.g lights the warning indicator light (the warning indicator light is connected with the switch quantity module); After the alarm information 1.f disappears, turn off the alarm indicator light;
所述电源模块分别给传感器模块、信号处理模块、通信模块、开关量模块供电。电源模块给所述智能无线放电监测终端1的其他模块供电(供电通道1.h、1.i、1.j、1.k)，有两种供电方式，一种是从所述配电自动化环网柜的电压互感器(PT)二次绕组取电后供电，另一种是由电源模块内部配置的电池供电。The power supply module supplies power to the sensor module, the signal processing module, the communication module and the switch module respectively. The power supply module supplies power to other modules of the intelligent wireless discharge monitoring terminal 1 (power supply channels 1.h, 1.i, 1.j, 1.k). There are two power supply modes, one is from the power distribution automation The secondary winding of the voltage transformer (PT) of the ring main unit is powered by the power supply, and the other is powered by the battery configured inside the power module.
如图3所示，所述通信服务器包括通信模块、处理器模块、储存模块、显示模块和电源模块；As shown in Figure 3, the communication server includes a communication module, a processor module, a storage module, a display module and a power supply module;
所述通信模块包括无线通信子模块、RS485通信模块以及以太网通信模块，分别配置有无线通信接口、RS485通信接口以及以太网通信接口；所述通信模块功能包括：1)无线通信子模块接收来自所述智能无线放电监测终端1的无线信号(即气体浓度测量信息和报警信息)2.a，转化为数字信号2.c后传输给处理器模块；无线通信子模块并接收来自于处理器模块的指令信息2.d，将其转化为无线信号2.b后发送给所述智能无线放电监测终端1；2)通信模块接收处理器模块汇总处理好的气体浓度测量信息、报警信息、设备运行状态等信息2.g，通过RS485通信模块或以太网通信模块将信息2.i发送给所述配电自动化终端3；3)通信模块接收从所述配电自动化终端3下发的指令信息2.j，通信模块通过RS485通信模块或以太网通信模块将指令信息2.h发送给所述处理器模块；Described communication module comprises wireless communication sub-module, RS485 communication module and Ethernet communication module, is equipped with wireless communication interface, RS485 communication interface and Ethernet communication interface respectively; Described communication module function comprises: 1) wireless communication sub-module receives from The wireless signal (i.e. gas concentration measurement information and alarm information) 2.a of the intelligent wireless discharge monitoring terminal 1 is converted into a digital signal 2.c and then transmitted to the processor module; the wireless communication sub-module receives data from the processor module The command information 2.d is converted into a wireless signal 2.b and then sent to the intelligent wireless discharge monitoring terminal 1; 2) The communication module receives and processes the gas concentration measurement information, alarm information, and equipment operation Status and other information 2.g, send information 2.i to the distribution automation terminal 3 through the RS485 communication module or Ethernet communication module; 3) The communication module receives the instruction information 2 issued from the distribution automation terminal 3 .j, the communication module sends the instruction information 2.h to the processor module through the RS485 communication module or the Ethernet communication module;
所述处理器模块功能包括：1)处理来自于所述通信模块的气体浓度测量信息和报警等信息2.c，将处理后的当前信息以及历史数据信息2.e发给所述显示模块，处理器模块的信息2.f存储在所述存储模块，处理器模块的汇总处理好的气体浓度测量信息、报警信息、设备运行状态等信息2.g发送给所述通信模块；2)处理器模块处理所述通信模块下发的指令信息2.h；3)处理器模块运行参数设置(例如：气体浓度信息处理周期、数据调取指令)，将指令信息2.d发给所述通信模块；The functions of the processor module include: 1) processing gas concentration measurement information and alarm information 2.c from the communication module, sending the processed current information and historical data information 2.e to the display module, The information 2.f of the processor module is stored in the storage module, and the information 2.g of the processed gas concentration measurement information, alarm information, and equipment operating status of the processor module is sent to the communication module; 2) the processor The module processes the instruction information 2.h issued by the communication module; 3) The processor module operates parameter settings (for example: gas concentration information processing cycle, data retrieval instruction), and sends the instruction information 2.d to the communication module ;
所述储存模块用于存储信息2.f，包括臭氧气体浓度测量信息、报警信息等，可存储至少3个月的信息量；当调阅信息时，由所述处理器模块从所述储存模块内调取存储的信息2.f；The storage module is used to store information 2.f, including ozone gas concentration measurement information, alarm information, etc., and can store at least 3 months of information; when accessing information, the processor module reads from the storage module Retrieve the stored information 2.f;
所述显示模块用于显示当前信息以及历史数据信息2.e，包括所述通信服务器运行状态、臭氧气体浓度测量信息等；The display module is used to display current information and historical data information 2.e, including the operating status of the communication server, ozone gas concentration measurement information, etc.;
所述电源模块分别给通信模块、处理器模块、储存模块、显示模块供电。所述电源模块功能与所述智能无线放电监测终端的电源模块相同，供电通道分别为2.k、2.m、2.n、2.o。The power supply module supplies power to the communication module, the processor module, the storage module and the display module respectively. The function of the power module is the same as that of the intelligent wireless discharge monitoring terminal, and the power supply channels are 2.k, 2.m, 2.n, 2.o respectively.
所述配电自动化环网柜局部放电监测系统将臭氧气体浓度测量信息、报警信息上送给所述配电自动化终端3的方式有两种：一种是配电自动化环网柜局部放电监测系统根据通信服务器2设定的处理周期，定时将信息处理完毕后上送信息2.i给所述配电自动化终端3；另一种是由所述配电自动化终端3下发调取指令信息(信息指令)2.j给所述配电自动化环网柜局部放电监测系统，所述配电自动化环网柜局部放电监测系统收到指令信息2.j后，开展信息处理工作，信息处理完毕后上送信息2.i给所述配电自动化终端3。There are two ways for the distribution automation ring network cabinet partial discharge monitoring system to send ozone gas concentration measurement information and alarm information to the distribution automation terminal 3: one is the distribution automation ring network cabinet partial discharge monitoring system According to the processing period set by the communication server 2, after the information is processed regularly, the information 2.i is sent to the described power distribution automation terminal 3; the other is that the described power distribution automation terminal 3 issues the calling instruction information ( Information instruction) 2.j to the partial discharge monitoring system of the distribution automation ring network cabinet, after the distribution automation ring network cabinet partial discharge monitoring system receives the instruction information 2.j, carry out information processing work, after the information processing is completed Send the information 2.i to the distribution automation terminal 3.
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