CN115459439A - An online monitoring device for automatic multi-state switching of switchgear and its application method - Google Patents
An online monitoring device for automatic multi-state switching of switchgear and its application methodDownload PDFInfo
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- CN115459439A CN115459439ACN202211070302.7ACN202211070302ACN115459439ACN 115459439 ACN115459439 ACN 115459439ACN 202211070302 ACN202211070302 ACN 202211070302ACN 115459439 ACN115459439 ACN 115459439A
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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
- 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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0854—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load responsive to rate of change of current, couple or speed, e.g. anti-kickback protection
- 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
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- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Description
Translated fromChinese技术领域technical field
本发明涉及电力设备技术领域，具体涉及一种开关柜自动进行多态切换的在线监控装置以及应用该装置的应用方法。The invention relates to the technical field of electric power equipment, in particular to an on-line monitoring device for automatic multi-state switching of a switch cabinet and an application method using the device.
背景技术Background technique
传统中压开关柜小车和接地刀的操作只能依靠人工现场执行，倒闸操作时手续繁琐、时间长，人力成本高，并且可能发生危害生命安全的事故。随着智能化、信息化技术的发展，电动小车取代手动小车，电动接地刀取代手动接地刀的智能中压开关柜诞生。The operation of traditional medium-voltage switchgear trolley and grounding knife can only be performed manually on site. The switching procedures are cumbersome, time-consuming, high labor costs, and accidents that endanger life safety may occur. With the development of intelligence and information technology, the electric trolley replaces the manual trolley, and the intelligent medium voltage switchgear with electric grounding knife replacing the manual grounding knife is born.
智能中压开关柜的倒闸操作以远程遥控的方式取代了人工现场操作，但是目前一键顺控都由监控后台实现，监控后台结构和操作都比较复杂，一般需要一键顺控主机、智能防误主机，且先要预演，然后才能执行，并且一次操作需要后台发送多个指令才能完成，一旦在操作过程中通讯出现问题，一个指令不能发出，一键顺控就无法完成，从而造成设备异常，无法给用户带来更好的体验感。The switching operation of the intelligent medium-voltage switchgear replaces the manual on-site operation by remote control. However, at present, the one-key sequential control is realized by the monitoring background. The structure and operation of the monitoring background are relatively complicated. Anti-mistaken host, and it must be rehearsed before it can be executed, and one operation needs to send multiple commands in the background to complete. Once there is a communication problem during the operation, one command cannot be issued, and one-key sequence control cannot be completed, resulting in equipment failure. Abnormal, can not bring users a better sense of experience.
发明内容Contents of the invention
为了克服现有技术的不足，本发明的目的在于提供一种开关柜自动进行多态切换的在线监控装置及其方法，该系统和方法可以解决现有技术中人力成本高、操作复杂、通讯异常造成的操作不稳定等问题，只需发送一条指令就可以自动切换到多种状态中的任一指定状态，结构简单，操作方便，倒闸更省时，运维效率更高。In order to overcome the deficiencies of the prior art, the object of the present invention is to provide an on-line monitoring device and method for automatic multi-state switching of switch cabinets. The system and method can solve the problems of high labor cost, complicated operation and abnormal communication in the prior art. For problems such as unstable operation, it only needs to send a command to automatically switch to any specified state in a variety of states. The structure is simple, the operation is convenient, the switch is more time-saving, and the operation and maintenance efficiency is higher.
为解决上述问题，本发明所采用的技术方案如下：In order to solve the above problems, the technical scheme adopted in the present invention is as follows:
一种开关柜自动进行多态切换的在线监控装置，包括：An on-line monitoring device for automatic multi-state switching of a switchgear, comprising:
主控制模块；main control module;
断路器控制模块，断路器控制模块与主控制模块连接，用于采集断路器的分合闸状态和分合闸线圈电流，将采集到的数据传送至主控制模块，并在接收到主控制模块发送的分合闸命令后，对断路器进行分合闸操作；Circuit breaker control module, the circuit breaker control module is connected with the main control module, used to collect the opening and closing state of the circuit breaker and the current of the opening and closing coil, and transmit the collected data to the main control module, and after receiving the main control module After the opening and closing command is sent, open and close the circuit breaker;
电动小车控制模块，电动小车控制模块与主控制模块连接，用于采集电动小车的运行状态，将运行状态传送至主控制模块，并在收到主控制模块发送的摇进摇出命令后，对电动小车进行摇进或摇出操作；Electric trolley control module, the electric trolley control module is connected with the main control module, used to collect the running state of the electric trolley, transmit the running state to the main control module, and after receiving the shake in and shake out command sent by the main control module, The electric trolley performs the operation of shaking in or out;
电动接地刀控制模块，电动接地刀控制模块与主控制模块连接，用于采集电动接地刀的位置信号，将位置信号传送至主控制模块，并在收到主控制模块发送的分合闸命令后，对电动小车进行分闸或合闸操作；Electric grounding knife control module, the electric grounding knife control module is connected with the main control module, used to collect the position signal of the electric grounding knife, transmit the position signal to the main control module, and after receiving the opening and closing command sent by the main control module , to open or close the electric trolley;
电机保护模块，电机保护模块与主控制模块连接，用于采集电动小车电机和电动接地刀电机的电流数据，将采集到的电流数据传送至主控制模块，并在主控制模块操作电动小车和电动接地刀时，如果发生堵转或者超时时发送停止运行命令，电机保护模块控制电机停止或运行。Motor protection module, the motor protection module is connected with the main control module, used to collect the current data of the electric trolley motor and the electric grounding knife motor, and transmit the collected current data to the main control module, and operate the electric trolley and electric grounding knife motor in the main control module. When grounding the knife, if a stall occurs or a stop running command is sent during timeout, the motor protection module controls the motor to stop or run.
通讯控制模块，通讯控制模块与主控制模块连接，用于与后台系统建立通讯，将相关信息上传至后台系统；还用于接收后台系统的操作指令，并在收到操作指令后通过主控制模块控制相应模块执行相应动作；Communication control module, the communication control module is connected with the main control module, which is used to establish communication with the background system and upload relevant information to the background system; it is also used to receive the operation instructions of the background system, and pass the main control module after receiving the operation instructions Control the corresponding modules to perform corresponding actions;
显示模块，显示模块与主控制模块连接，用于显示智能中压开关柜相关的状态信息、分合闸线圈电流数据和电动机电流数据；还用于提供一人工操控开关柜的操作界面。The display module is connected with the main control module, and is used for displaying relevant status information, opening and closing coil current data and motor current data of the intelligent medium-voltage switchgear; it is also used for providing an operation interface for manual control of the switchgear.
进一步的方案是，主控制模块用于采集断路器控制模块、电动小车控制模块、电动接地刀控制模块及电机保护模块的数据，同时通过显示模块进行对采集到的各种数据的内容展示；A further solution is that the main control module is used to collect the data of the circuit breaker control module, the electric trolley control module, the electric grounding knife control module and the motor protection module, and at the same time display the content of various collected data through the display module;
主控制模块还用于通过通讯控制模块接收后台系统的操作命令，对断路器、电动小车和电动接地刀进行单步操作或分布操作，并同时记录操作结果，在显示模块上进行显示。The main control module is also used to receive the operation commands of the background system through the communication control module, perform single-step or distributed operations on the circuit breaker, electric trolley and electric grounding knife, and record the operation results at the same time, and display them on the display module.
一种开关柜自动进行多态切换的在线监控装置的应用方法实施例：An embodiment of an application method of an online monitoring device for automatic multi-state switching of a switchgear:
该方法应用于上述一种开关柜自动进行多态切换的在线监控装置进行在线监控，该方法包括以下步骤：The method is applied to the above-mentioned online monitoring device for automatic multi-state switching of the switchgear for online monitoring, and the method includes the following steps:
通过主控制模块获取控制回路板检测到的一智能中压开关柜的至少一运行参数，其中，运行参数包括断路器的分合闸状态和分合闸线圈电流、电动小车的运行状态、电动接地刀的位置信号、电机的电流数据；Obtain at least one operating parameter of an intelligent medium-voltage switchgear detected by the control circuit board through the main control module, wherein the operating parameters include the opening and closing state of the circuit breaker and the current of the opening and closing coil, the operating state of the electric trolley, and the electric grounding Knife position signal, motor current data;
由主控制模块实时判断智能中压开关柜处于何种工作状态，其中，工作状态包括运行态、热备用状态、冷备用状态、检修状态；The main control module judges in real time which working state the intelligent medium-voltage switchgear is in, and the working state includes running state, hot standby state, cold standby state, and maintenance state;
当主控制模块接收到状态切换指令时，根据实时采集到的断路器、电动小车和接电动地刀的状态，向控制回路板的相应的采集控制模块发送相应的操作命令，从而控制相应的采集控制模块执行相应动作。When the main control module receives the state switching command, according to the real-time collected status of the circuit breaker, electric trolley and electric ground knife, it sends the corresponding operation command to the corresponding collection control module of the control circuit board, thereby controlling the corresponding collection control The module performs the corresponding action.
进一步的方案是，若智能中压开关柜处于运行态，当主控制模块收到运行态切换指令时，不会执行任何操作；当主控制模块收到热备用状态切换指令时，向断路器控制模块发送跳断路器指令；当主控制模块收到冷备用状态切换指令时，向断路器控制模块发送跳断路器指令，在规定时间内收到断路器变位分闸状态信息后，向电动小车控制模块发送摇出指令，将电动小车摇出；当主控制模块收到检修态切换指令时，向断路器控制模块发送跳断路器指令，在规定时间内收到断路器变位分闸状态信息后，向电动小车控制模块发送摇出指令，将电动小车摇出，然后，在规定时间内收到电动小车处于试验位信息后，向电动接地刀控制模块发送合闸指令，将电动接地刀合上。A further solution is that if the intelligent medium voltage switchgear is in the running state, when the main control module receives the running state switching instruction, it will not perform any operation; when the main control module receives the hot standby state switching instruction, it sends Circuit breaker jumping command; when the main control module receives the cold standby state switching command, it sends the circuit breaker jumping command to the circuit breaker control module, and after receiving the circuit breaker displacement and opening state information within the specified time, it sends it to the electric trolley control module Shake out the command to shake out the electric trolley; when the main control module receives the maintenance state switching command, it sends the circuit breaker jump command to the circuit breaker control The trolley control module sends a shake out command to shake out the electric trolley, and then, after receiving the information that the electric trolley is in the test position within the specified time, sends a closing command to the electric grounding knife control module to close the electric grounding knife.
更进一步的方案是，若智能中压开关柜处于热备用状态，当主控制模块收到运行态切换指令时，向断路器控制模块发送合闸指令，合上断路器；当主控制模块收到热备用状态切换指令时，不会执行任何操作；当主控制模块收到冷备用状态切换指令时，向电动小车控制模块发送摇出指令，将电动小车由运行位置摇出到试验位置；当主控制模块收到检修态切换指令时，向电动小车控制模块发送摇出指令，将电动小车由运行位置摇出到试验位置，在规定时间内检测到试验位置后向电动接地刀控制模块发送合闸指令，将电动接地刀合上。A further solution is that if the intelligent medium-voltage switchgear is in the hot standby state, when the main control module receives the operating state switching command, it sends a closing command to the circuit breaker control module to close the circuit breaker; when the main control module receives the hot standby When the state switching command is issued, no operation will be performed; when the main control module receives the cold standby state switching command, it will send a shake-out command to the electric trolley control module to shake the electric trolley from the running position to the test position; when the main control module receives When the inspection state switching command is issued, the swing out command is sent to the control module of the electric trolley, and the electric trolley is shaken out from the running position to the test position. The ground knife is closed.
更进一步的方案是，若智能中压开关柜处于冷备用状态，当主控制模块收到运行态切换指令时，向电动小车控制模块发送摇进指令，在规定时间内电动小车由试验位置运行到工作位置后，向断路器控制模块发送合闸指令，将断路器合上；当主控制模块收到热备用状态切换指令时，向电动小车控制模块发送摇进指令，将电动小车由试验位置摇进到工作位置；当主控制模块收到冷备用状态切换指令时，不会执行任何操作；当主控制模块收到检修态切换指令时，向电动接地刀控制模块发送合闸指令，将电动小车合上。A further solution is that if the intelligent medium-voltage switchgear is in the cold standby state, when the main control module receives the operating state switching command, it will send a swing-in command to the electric trolley control module, and the electric trolley will run from the test position to the working position within the specified time. position, send a closing command to the circuit breaker control module to close the circuit breaker; when the main control module receives the hot standby state switching command, it sends a swing-in command to the electric trolley control module, and swings the electric trolley from the test position to Working position; when the main control module receives the command to switch the cold standby state, it will not perform any operation; when the main control module receives the command to switch the maintenance state, it sends a closing command to the electric grounding knife control module to close the electric trolley.
更进一步的方案是，若智能中压开关柜处于检修状态，当主控制模块收到运行态切换指令时，向电动接地刀控制模块发送分闸指令，在规定时间内将电动接地刀分开后，向电动小车控制模块发送摇进指令，在规定时间内将电动小车由试验位置摇进到工作位置后，向断路器控制模块发送合闸指令，将断路器合上；当主控制模块收到热备用状态切换指令时，向电动接地刀控制模块发送分闸指令，在规定时间内将电动接地刀分开后，向电动小车控制模块发送摇进指令，将电动小车由试验位置摇进到工作位置；当主控制模块收到冷备用状态切换指令时，向电动接地刀控制模块发送分闸指令，将电动接地刀分开；当主控制模块收到冷备用状态切换指令时，不会执行任何操作。A further solution is that if the intelligent medium-voltage switchgear is in the maintenance state, when the main control module receives the operating state switching command, it sends an opening command to the electric grounding knife control module, and after the electric grounding knife is separated within the specified time, it sends to the The control module of the electric trolley sends a command to move the electric trolley from the test position to the working position within the specified time, and then sends a closing command to the control module of the circuit breaker to close the circuit breaker; when the main control module receives the hot standby status When switching commands, send an opening command to the electric grounding knife control module, and after the electric grounding knife is separated within the specified time, send a swing-in command to the electric trolley control module, and swing the electric trolley from the test position to the working position; when the main control When the module receives the cold standby state switching command, it sends an opening command to the electric grounding knife control module to separate the electric grounding knife; when the main control module receives the cold standby state switching command, it will not perform any operations.
更进一步的方案是，在对断路器、电动小车和电动接地刀进行操作时，当超过预设的规定时间后，若主控制模块监测到状态没有发生改变，则停止执行并发送告警信息。A further solution is that when the circuit breaker, electric trolley and electric grounding knife are operated, if the main control module detects that the state has not changed after exceeding the preset specified time, the execution will be stopped and an alarm message will be sent.
更进一步的方案是，在对断路器、电动小车和电动接地刀进行操作时，在断路器驱动回路上，电动小车处于中间位置，断路器不能合闸；在电动小车驱动回路上，当断路器和电动接地刀都处于分闸位置时，电动小车电机动作；在电动接地刀驱动回路上，当电动小车处于试验位置时，电动接地刀电机动作；A further solution is that when operating the circuit breaker, electric trolley and electric grounding knife, on the drive circuit of the circuit breaker, the electric trolley is in the middle position, and the circuit breaker cannot be closed; on the drive circuit of the electric trolley, when the circuit breaker When both the electric trolley and the electric grounding knife are in the opening position, the motor of the electric trolley operates; on the driving circuit of the electric grounding knife, when the electric trolley is in the test position, the motor of the electric grounding knife operates;
在对断路器、电动小车和电动接地刀进行操作时，当电动小车处于中间位置，主控制模块不会执行断路器分合闸指令；当断路器和电动接地刀没有处于分闸位置时，主控制模块不会执行电动小车的摇进摇出指令；当小车处于试验位置时，主控制模块才会执行电动接地刀的分合闸指令。When operating the circuit breaker, electric trolley and electric grounding knife, when the electric trolley is in the middle position, the main control module will not execute the opening and closing command of the circuit breaker; when the circuit breaker and electric grounding knife are not in the opening position, the main The control module will not execute the rocking in and out command of the electric trolley; when the trolley is in the test position, the main control module will execute the opening and closing command of the electric grounding knife.
更进一步的方案是，在电动小车或电动接地刀运行过程中，若监测到的电机电流超过堵转定值，待到达设定延时时间后，电机停止运行；若电机运行时间超过设定时间，则电机因超时停止运行。A further solution is that during the operation of the electric trolley or the electric grounding knife, if the monitored motor current exceeds the fixed value of the locked rotor, the motor will stop running after the set delay time is reached; if the motor running time exceeds the set time , the motor stops running due to timeout.
由此可见，相比现有技术，本发明提供一种智能中压开关柜自动进行多态切换的在线监测装置和方法，当通讯控制模块收到多态切换中的任一一个指令时，将指令传给主控制模块，由主控制模块通过分析实时采集到的断路器、小车和接地刀的状态，判断需对这些机构中的哪一个或几个进行操作，如果只需操作某一个机构，直接驱动该机构；如果需要驱动两到三个机构，则通过五防闭锁要求，分步骤分时执行。因此，本发明主要实现了开关柜状态的切换及在线监控，能大大节约倒闸操作的时间，防止出现人为误操作的可能性，防止手动操作时可能出现的生命安全事故。It can be seen that, compared with the prior art, the present invention provides an on-line monitoring device and method for automatic multi-state switching of intelligent medium-voltage switchgear. When the communication control module receives any instruction in the multi-state switching, The command is transmitted to the main control module, and the main control module judges which one or several of these mechanisms need to be operated by analyzing the status of the circuit breaker, trolley and grounding knife collected in real time. , to directly drive the mechanism; if two to three mechanisms need to be driven, the five-proof locking requirements are required, and the execution is performed step by step and time sharing. Therefore, the present invention mainly realizes the switching and online monitoring of the switchgear state, which can greatly save the switching operation time, prevent the possibility of human misoperation, and prevent life safety accidents that may occur during manual operation.
进一步的，本发明可以实时监控智能中压开关柜内部工作状态，实现了对智能中压开关柜的在线监测和远程化管理。Further, the present invention can monitor the internal working state of the intelligent medium-voltage switchgear in real time, and realizes online monitoring and remote management of the intelligent medium-voltage switchgear.
进一步的，本发明在开关柜运行出现异常时发出一告警消息，方便工作人员提前发现开关柜内部潜在故障并及时排除。另外，本发明还能将开关柜的运行状态传送至一远程终端后台，方便用户了解开关柜的运行状态及在开关柜出现异常时远程调节开关柜的运行参数，从而进行实时检测上报，可及时发现系统故障并确保智能中压开关柜稳定运行。Furthermore, the present invention sends out an alarm message when the switchgear runs abnormally, which is convenient for the staff to discover potential faults inside the switchgear in advance and eliminate them in time. In addition, the present invention can also transmit the operating state of the switchgear to a remote terminal background, which is convenient for users to understand the operating state of the switchgear and remotely adjust the operating parameters of the switchgear when there is an abnormality in the switchgear, so as to perform real-time detection and report, which can be timely Find system faults and ensure stable operation of intelligent medium voltage switchgear.
下面结合附图和具体实施方式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 and specific embodiments.
附图说明Description of drawings
图1是本发明一种开关柜自动进行多态切换的在线监控装置实施例的原理图。Fig. 1 is a schematic diagram of an embodiment of an on-line monitoring device for automatic multi-state switching of a switchgear according to the present invention.
图2是本发明一种开关柜自动进行多态切换的在线监控装置实施例的电路原理图。Fig. 2 is a schematic circuit diagram of an embodiment of an on-line monitoring device for automatic multi-state switching of a switchgear according to the present invention.
图3是本发明一种开关柜自动进行多态切换的在线监控装置实施例中电动小车控制模块的原理图。Fig. 3 is a schematic diagram of an electric trolley control module in an embodiment of an on-line monitoring device for automatic multi-state switching of a switchgear according to the present invention.
图4是本发明一种开关柜自动进行多态切换的在线监控装置实施例中断路器控制模块的原理图。Fig. 4 is a schematic diagram of a circuit breaker control module in an embodiment of an on-line monitoring device for automatic multi-state switching of a switchgear according to the present invention.
图5是本发明一种开关柜自动进行多态切换的在线监控装置实施例中电动接地刀控制模块的原理图。Fig. 5 is a schematic diagram of an electric grounding knife control module in an embodiment of an on-line monitoring device for automatic multi-state switching of a switch cabinet according to the present invention.
图6是本发明一种开关柜自动进行多态切换的在线监控装置实施例中储能电机测量模块的原理图。Fig. 6 is a schematic diagram of an energy storage motor measurement module in an embodiment of an on-line monitoring device for automatic multi-state switching of a switchgear according to the present invention.
具体实施方式detailed description
一种开关柜自动进行多态切换的在线监控装置实施例：An embodiment of an online monitoring device for automatic multi-state switching of a switchgear:
参见图1，本发明提供的一种开关柜自动进行多态切换的在线监控装置，包括：Referring to Fig. 1, an on-line monitoring device for automatic multi-state switching of a switchgear provided by the present invention includes:
主控制模块1；
断路器控制模块9，断路器控制模块9与主控制模块1连接，用于采集断路器的分合闸状态和分合闸线圈电流，将采集到的数据传送至主控制模块1，并在接收到主控制模块1发送的分合闸命令后，对断路器进行分合闸操作；The circuit
电动小车控制模块6，电动小车控制模块6与主控制模块1连接，用于采集电动小车的运行状态，将运行状态传送至主控制模块1，并在收到主控制模块1发送的摇进摇出命令后，对电动小车进行摇进或摇出操作；The electric
电动接地刀控制模块7，电动接地刀控制模块7与主控制模块1连接，用于采集电动接地刀的位置信号，将位置信号传送至主控制模块1，并在收到主控制模块1发送的分合闸命令后，对电动小车进行分闸或合闸操作；The electric grounding
电机保护模块81，电机保护模块81与主控制模块1连接，用于采集电动小车电机和电动接地刀电机的电流数据，将采集到的电流数据传送至主控制模块1，并在主控制模块1操作电动小车和电动接地刀时，控制电机停止或运行；The
通讯控制模块25，通讯控制模块25与主控制模块1连接，用于与后台系统建立通讯，将相关信息上传至后台系统；还用于接收后台系统的操作指令，并在收到操作指令后通过主控制模块1控制相应模块执行相应动作；The communication control module 25, the communication control module 25 is connected with the
显示模块3，显示模块3与主控制模块1连接，用于显示智能中压开关柜相关的状态信息、分合闸线圈电流数据和电动机电流数据；还用于提供一人工操控开关柜的操作界面。
其中，主控制模块1用于采集断路器控制模块9、电动小车控制模块6、电动接地刀控制模块7及电机保护模块81的数据，同时通过显示模块3进行对采集到的各种数据的内容展示；Among them, the
其中，主控制模块1还用于通过通讯控制模块25接收后台系统的操作命令，对断路器、电动小车和电动接地刀进行单步操作或分布操作，并同时记录操作结果，在显示模块3上进行显示。Among them, the
具体的，如图2所示，本实施例的一种智能中压真空开关柜自动进行四态切换的在线监控装置由主控制模块1、控制回路板2和显示模块3构成，显示模块3为触摸屏显示板，在主控制模块1上设有主控板模拟量采集模块23、通讯控制模块25以及DVI接口24，在控制回路板2上设有直流输入模块5、储能电机测量模块8、断路器控制模块9、电动小车控制模块6、电动接地刀控制模块7，主控板模拟量采集模块23能采集底盘车电机电流、接地刀电机电流和储能电机电流；通讯控制模块25用于和监控后台通讯，上传监控数据和接收监控后台“四态”切换遥控操作指令及相关参数的读写；DVI接口24负责和触摸屏显示板的对应接口26相连，触摸屏显示板3为UI接口。Specifically, as shown in Figure 2, an online monitoring device for automatic four-state switching of an intelligent medium-voltage vacuum switchgear in this embodiment is composed of a
控制回路板2的总线板4和主控制模块1相连，接收主控制模块1的控制。它的直流输入模块5接收外部220V直流输入电压；电动小车控制模块6和底盘车电机正负端12、13相连，通过这两个端子控制底盘车电机的运行；接地刀控制模块8和接地刀电机正负端14、15相连，通过这两个端子控制接地刀电机的运行；储能电机测量模块8通过端子16和17接入霍尔传感器，可以测量电机储能时的电机电流；断路器控制模块9主要接于断路器控制回路，实现对断路器的分合闸控制，并有合闸保持和跳闸保持功能。The bus board 4 of the
如图3所示，电动小车控制模块6的驱动回路中，外部直流220V电源接入，串入断路器位置信号、接地刀位置信号及柜门行程开关，在断路器和接地刀均处于分位且柜门关闭时，主控制模块1收到“四态”切换操作指令，确定需要进行底盘车摇进或摇出操作时下发指令，回路才会接通，通过底盘车电机的正反转实现底盘车的摇进或摇出。As shown in Figure 3, in the drive circuit of the electric
如图4所示，断路器控制模块9的驱动回路和常规继电保护操作回路没多少区别，在此不累述。在主控制模块1收到“四态”切换操作指令，经过分析判断确定要对断路器进行分合操作时会驱动该回路，实现断路器的分合。As shown in FIG. 4 , there is not much difference between the drive circuit of the circuit
如图5所示，电动接地刀控制模块7的驱动回路中，接入柜门行程开关和底盘车位置，在柜门没有关闭或者底盘车没有处于试验位置时不允许操作，实现电气“五防”，主控制模块1收到“四态”切换操作指令时，经过分析判断确定需要对接地刀进行分合闸操作时驱动该回路，实现对接地刀的自动分合闸操作。As shown in Figure 5, the drive circuit of the electric grounding
如图6所示，储能电机测量模块8主要用于在储能电机进行储能时实时在线采集储能电机电流，进行录波，数据用于判断储能回路的健康状况。As shown in FIG. 6 , the energy storage
进一步的，在图3的电动小车控制模块6的控制回路中，串入一个霍尔传感器，在对底盘车进行操作时实时采集底盘车电机电流，通过堵转保护和操作超时保护防止电机烧毁。Further, in the control loop of the electric
进一步的，在图4的断路器控制模块9的驱动回路中，对分合闸的线圈电流进行监测，对操作机构进行实时在线监测。Further, in the driving circuit of the circuit
进一步的，在图5的电动接地刀控制模块7的驱动回路中，也串入了一个霍尔传感器，对接地刀运行时的电机电流进行实时在线监测，通过堵转保护和操作超时保护防范电机烧毁。Further, in the drive circuit of the electric grounding
一种开关柜自动进行多态切换的在线监控装置的应用方法实施例Embodiment of an application method of an online monitoring device for automatic multi-state switching of a switchgear
一种开关柜自动进行多态切换的在线监控装置的应用方法，该方法应用于上述一种开关柜自动进行多态切换的在线监控装置进行在线监控，该方法包括以下步骤：An application method of an online monitoring device for automatic multi-state switching of a switchgear, the method is applied to the above-mentioned online monitoring device for automatic multi-state switching of a switch cabinet for online monitoring, and the method includes the following steps:
通过主控制模块1获取控制回路板2检测到的一智能中压开关柜的至少一运行参数，其中，运行参数包括断路器的分合闸状态和分合闸线圈电流、电动小车的运行状态、电动接地刀的位置信号、电机的电流数据；Obtain at least one operating parameter of an intelligent medium voltage switchgear detected by the
由主控制模块1实时判断智能中压开关柜处于何种工作状态，其中，工作状态包括运行态、热备用状态、冷备用状态、检修状态；The
当主控制模块1接收到状态切换指令时，根据实时采集到的断路器、电动小车和接电动地刀的状态，向控制回路板2相应的采集控制模块发送相应的操作命令，从而控制相应的采集控制模块执行相应动作。When the
若智能中压开关柜处于运行态，当主控制模块1收到运行态切换指令时，不会执行任何操作；当主控制模块1收到热备用状态切换指令时，向断路器控制模块9发送跳断路器指令；当主控制模块1收到冷备用状态切换指令时，向断路器控制模块9发送跳断路器指令，在规定时间内收到断路器变位分闸状态信息后，向电动小车控制模块6发送摇出指令，将电动小车摇出；当主控制模块1收到检修态切换指令时，向断路器控制模块9发送跳断路器指令，在规定时间内收到断路器变位分闸状态信息后，向电动小车控制模块6发送摇出指令，将电动小车摇出，然后，在规定时间内收到电动小车处于试验位信息后，向电动接地刀控制模块7发送合闸指令，将电动接地刀合上。If the intelligent medium-voltage switchgear is in the running state, when the
若智能中压开关柜处于热备用状态，当主控制模块1收到运行态切换指令时，向断路器控制模块9发送合闸指令，合上断路器；当主控制模块1收到热备用状态切换指令时，不会执行任何操作；当主控制模块1收到冷备用状态切换指令时，向电动小车控制模块6发送摇出指令，将电动小车由运行位置摇出到试验位置；当主控制模块1收到检修态切换指令时，向电动小车控制模块6发送摇出指令，将电动小车由运行位置摇出到试验位置，在规定时间内检测到试验位置后向电动接地刀控制模块7发送合闸指令，将电动接地刀合上。If the intelligent medium-voltage switchgear is in the hot standby state, when the
若智能中压开关柜处于冷备用状态，当主控制模块1收到运行态切换指令时，向电动小车控制模块6发送摇进指令，在规定时间内电动小车由试验位置运行到工作位置后，向断路器控制模块9发送合闸指令，将断路器合上；当主控制模块1收到热备用状态切换指令时，向电动小车控制模块6发送摇进指令，将电动小车由试验位置摇进到工作位置；当主控制模块1收到冷备用状态切换指令时，不会执行任何操作；当主控制模块1收到检修态切换指令时，向电动接地刀控制模块7发送合闸指令，将电动小车合上。If the intelligent medium-voltage switchgear is in the cold standby state, when the
若智能中压开关柜处于检修状态，当主控制模块1收到运行态切换指令时，向电动接地刀控制模块7发送分闸指令，在规定时间内将电动接地刀分开后，向电动小车控制模块6发送摇进指令，在规定时间内将电动小车由试验位置摇进到工作位置后，向断路器控制模块9发送合闸指令，将断路器合上；当主控制模块1收到热备用状态切换指令时，向电动接地刀控制模块7发送分闸指令，在规定时间内将电动接地刀分开后，向电动小车控制模块6发送摇进指令，将电动小车由试验位置摇进到工作位置；当主控制模块1收到冷备用状态切换指令时，向电动接地刀控制模块7发送分闸指令，将电动接地刀分开；当主控制模块1收到冷备用状态切换指令时，不会执行任何操作。If the intelligent medium-voltage switchgear is in the maintenance state, when the
在对断路器、电动小车和电动接地刀进行操作时，当超过预设的规定时间后，若主控制模块1监测到状态没有发生改变，则停止执行并发送告警信息。When operating the circuit breaker, electric trolley and electric grounding knife, if the
在对断路器、电动小车和电动接地刀进行操作时，在断路器驱动回路上，电动小车处于中间位置，断路器不能合闸；在电动小车驱动回路上，当断路器和电动接地刀都处于分闸位置时，电动小车电机动作；在电动接地刀驱动回路上，当电动小车处于试验位置时，电动接地刀电机动作。When operating the circuit breaker, electric trolley and electric grounding knife, on the driving circuit of the circuit breaker, the electric trolley is in the middle position, and the circuit breaker cannot be closed; on the driving circuit of the electric trolley, when the circuit breaker and the electric grounding knife are in In the opening position, the motor of the electric trolley moves; on the drive circuit of the electric grounding knife, when the electric trolley is in the test position, the motor of the electric grounding knife moves.
在对断路器、电动小车和电动接地刀进行操作时，当电动小车处于中间位置，主控制模块1不会执行断路器分合闸指令；当断路器和电动接地刀没有处于分闸位置时，主控制模块1不会执行电动小车的摇进摇出指令；当小车处于试验位置时，主控制模块1才会执行电动接地刀的分合闸指令。When operating the circuit breaker, electric trolley and electric grounding knife, when the electric trolley is in the middle position, the
可见，为保证切换的安全可靠，除了开关柜本身的机械“五防”外，本发明装置本身还有电气“五防”和软件“五防”。电气上，在断路器驱动回路上，电动小车处于中间位置，断路器不能合闸；在电动小车驱动回路上，断路器和接地刀都处于分闸位置电动小车电机才可以动作；在电动接地刀驱动回路上，电动小车处于试验位置时电动接地刀电机才可以动作。软件上，小车处于中间位置，主控制模块1不会执行断路器分合闸指令；断路器和接地刀没有处于分闸位置，主控制模块1不会执行电动小车摇进摇出指令；小车处于试验位置，主控制模块1才会执行电动接地刀分合闸指令。It can be seen that in order to ensure the safety and reliability of switching, in addition to the mechanical "five defenses" of the switchgear itself, the device of the present invention also has electrical "five defenses" and software "five defenses". Electrically, on the driving circuit of the circuit breaker, the electric trolley is in the middle position, and the circuit breaker cannot be closed; On the drive circuit, the electric grounding knife motor can only move when the electric trolley is in the test position. In terms of software, if the trolley is in the middle position, the
在电动小车或电动接地刀运行过程中，若监测到的电机电流超过堵转定值，待到达设定延时时间后，电机停止运行；若电机运行时间超过设定时间，则电机因超时停止运行。During the operation of the electric trolley or the electric grounding knife, if the monitored motor current exceeds the stall value, the motor will stop running after the set delay time is reached; if the motor running time exceeds the set time, the motor will stop due to overtime run.
可见，为保护电动底盘车和电动接地刀的电动机不会被烧毁，主控制模块1有电动机堵转保护和电动机运行超时保护，在电动小车或电动接地刀运行过程中，如果监测到的电机电流超过堵转定值，到达设定延时时间电动机会停止运行；如果电动机运行时间超过设定时间，电动机会因超时停止运行。It can be seen that in order to protect the motors of the electric chassis and the electric grounding knife from being burned, the
由此可见，相比现有技术，本发明提供一种智能中压开关柜自动进行多态切换的在线监测装置和方法，当通讯控制模块25收到多态切换中的任一一个指令时，将指令传给主控制模块1，由主控制模块1通过分析实时采集到的断路器、小车和接地刀的状态，判断需对这些机构中的哪一个或几个进行操作，如果只需操作某一个机构，直接驱动该机构；如果需要驱动两到三个机构，则通过五防闭锁要求，分步骤分时执行。因此，本发明主要实现了开关柜状态的切换及在线监控，能大大节约倒闸操作的时间，防止出现人为误操作的可能性，防止手动操作时可能出现的生命安全事故。It can be seen that, compared with the prior art, the present invention provides an on-line monitoring device and method for automatic multi-state switching of an intelligent medium-voltage switchgear. When the communication control module 25 receives any instruction in the multi-state switching , and transmit the instruction to the
进一步的，本发明可以实时监控智能中压开关柜内部工作状态，实现了对智能中压开关柜的在线监测和远程化管理。Further, the present invention can monitor the internal working state of the intelligent medium-voltage switchgear in real time, and realizes online monitoring and remote management of the intelligent medium-voltage switchgear.
进一步的，本发明在开关柜运行出现异常时发出一告警消息，方便工作人员提前发现开关柜内部潜在故障并及时排除。另外，本发明还能将开关柜的运行状态传送至一远程终端后台，方便用户了解开关柜的运行状态及在开关柜出现异常时远程调节开关柜的运行参数，从而进行实时检测上报，可及时发现系统故障并确保智能中压开关柜稳定运行。Furthermore, the present invention sends out an alarm message when the switchgear runs abnormally, which is convenient for the staff to discover potential faults inside the switchgear in advance and eliminate them in time. In addition, the present invention can also transmit the operating state of the switchgear to a remote terminal background, which is convenient for users to understand the operating state of the switchgear and remotely adjust the operating parameters of the switchgear when there is an abnormality in the switchgear, so as to perform real-time detection and report, which can be timely Find system faults and ensure stable operation of intelligent medium voltage switchgear.
上述实施方式仅为本发明的优选实施方式，不能以此来限定本发明保护的范围，本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。The above-mentioned embodiment is only a preferred embodiment of the present invention, and cannot be used to limit the protection scope of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.
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