CN112634579A - Transformer substation security early warning linkage system - Google Patents

Transformer substation security early warning linkage system Download PDF

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Publication number
CN112634579A
CN112634579A CN202110071943.3A CN202110071943A CN112634579A CN 112634579 A CN112634579 A CN 112634579A CN 202110071943 A CN202110071943 A CN 202110071943A CN 112634579 A CN112634579 A CN 112634579A
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CN
China
Prior art keywords
monitoring
subsystem
transformer substation
early warning
alarm
Prior art date
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Pending
Application number
CN202110071943.3A
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Chinese (zh)
Inventor
杜金水
李超
赵多青
高海宾
王晓峰
赵保华
蔡明�
张旭
曾杰
吕海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Shengtang Electrical Co ltd
State Grid Tibet Electric Power Co ltd
State Grid E Commerce Co Ltd
Original Assignee
Shandong Shengtang Electrical Co ltd
State Grid Tibet Electric Power Co ltd
State Grid E Commerce Co Ltd
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Publication date
Application filed by Shandong Shengtang Electrical Co ltd, State Grid Tibet Electric Power Co ltd, State Grid E Commerce Co Ltd filed Critical Shandong Shengtang Electrical Co ltd
Priority to CN202110071943.3A priority Critical patent/CN112634579A/en
Publication of CN112634579A publication Critical patent/CN112634579A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048Monitoring; Safety
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034Systems 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 an electric power substation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/907Television signal recording using static stores, e.g. storage tubes or semiconductor memories
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Abstract

The invention discloses a security and protection early warning linkage system of a transformer substation, which comprises a provincial main station system, a regional main station system and a station end system which are arranged in a layered mode, wherein the provincial main station system, the regional main station system and the station end system are connected through communication network signals; the system takes 'intelligent control' as a core, and realizes all-weather state monitoring and intelligent control of main electrical equipment, key equipment installation places and surrounding environment of the whole station through integrated application of various internet of things technologies so as to meet the requirement of safety production of the power system, and meanwhile, the system can meet the requirement of safety guards of a transformer substation.

Description

Transformer substation security early warning linkage system
Technical Field
The invention relates to a safety system, in particular to a security early warning linkage system of a transformer substation.
Background
In the practical application of the existing transformer substation, each monitoring system is in a system, a plurality of operators are provided, the problems of complex equipment models, inconvenience in maintenance after damage, repeated investment in the similar or crossed fields of the systems and the like exist, and the problems of service coordination and linkage also exist. In order to further improve the intelligent management level of the transformer substation and adapt to the requirement that the transformer substation gradually develops towards unattended operation, a set of unified management and maintenance platform, namely a transformer substation comprehensive security system, needs to be established to realize integration and management of each auxiliary system, and the integrated management and maintenance platform gradually becomes important content and development trend of construction and transformation of the transformer substation in China.
The existing system mainly adopts distributed management and a monitoring mode, and has the problems that most of the systems give an alarm after an accident, so that the efficiency is low, the patrol frequency is low, the discovery is not timely, and the like, and the manual participation is more.
Disclosure of Invention
The invention aims to provide a security early warning linkage system of a transformer substation, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a transformer substation security protection early warning linked system, including the province level main website system that the layering set up, regional level main website system and station end system, province level main website system, regional level main website system and station end system all are through communication network signal connection, station end system has a plurality ofly and possesses independent monitoring main system, every monitoring main system is connected with the environment monitoring subsystem that is used for monitoring operational environment, a video monitoring subsystem for carrying out network video monitoring, an access control subsystem for carrying out monitoring management to the access control, a fire alarm subsystem for fire early warning, an equipment control subsystem for equipment trouble early warning, a safety precaution subsystem for just destroying early warning to places such as pylon and SF6 detection alarm subsystem for SF6 gas detects the early warning.
The monitoring main system is in signal connection with both a provincial monitoring center and a regional monitoring center, the provincial monitoring center comprises a provincial emergency command platform and a provincial power grid checking platform which are connected with a provincial master station system, and the regional monitoring center comprises a regional emergency command platform, a regional power grid checking platform, a regional emergency command platform and a regional branch control platform which are connected with the regional master station system.
As a preferred embodiment of the present invention: the environment monitoring subsystem comprises a host computer installed in a monitoring room.
As a still further preferable embodiment of the present invention: the video monitoring subsystem comprises a video server and camera equipment connected with the video server.
As a still further preferable embodiment of the present invention: the monitoring main system also comprises a cable temperature monitoring alarm subsystem and a linkage configuration subsystem.
The access control subsystem is an automatic identification system installed at an entrance and an exit of a transformer substation based on modern electronics and information technology.
As a still further preferable embodiment of the present invention: the fire-fighting subsystem is provided with a local acousto-optic alarm device, a monitoring center computer alarm device and is linked with other subsystems; the fire-fighting subsystem is directly connected to the smoke detector or integrated with mainstream fire-fighting factory equipment through an intelligent interface.
As a still further preferable embodiment of the present invention: the equipment control subsystem comprises an air conditioner energy-saving control system, a light control system, a drainage control system and other control systems.
As a still further preferable embodiment of the present invention: the safety precaution subsystem includes the lighting system, closed circuit television control and the burglar alarm system of access control system in this region of linkage.
As a still further preferable embodiment of the present invention: the SF6 detection alarm subsystem comprises an SF6 detection device, an oxygen detection device and a thermal conductivity sensor.
Compared with the prior art, the invention has the beneficial effects that: the transformer substation security early warning linkage system takes 'intelligent control' as a core, and realizes all-weather state monitoring and intelligent control of main electrical equipment, key equipment installation places and surrounding environments of a whole substation through integrated application of various internet of things technologies so as to meet the requirement of safe production of a power system.
Drawings
FIG. 1 is a schematic diagram of the overall system of the present invention.
Fig. 2 is a specific system framework diagram of the station-side system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, in the embodiment of the present invention, a security and warning linkage system for a transformer substation includes a provincial main station system, a regional main station system, and a station end system, which are arranged in a hierarchical manner, where the provincial main station system, the regional main station system, and the station end system are all connected by a communication network signal, and the station end system has a plurality of independent monitoring main systems, and each monitoring main system is connected with an environment monitoring subsystem for monitoring a working environment, a video monitoring subsystem for network video monitoring, an entrance guard control subsystem for monitoring and managing an entrance guard, a fire alarm subsystem for fire warning, an equipment control subsystem for equipment failure warning, a security subsystem for warning before damage to places such as a tower, and an SF6 detection alarm subsystem for detecting and warning SF6 gas.
Furthermore, the monitoring main system is in signal connection with both a provincial monitoring center and a regional monitoring center, the provincial monitoring center comprises a provincial emergency command platform and a provincial power grid check platform which are connected with the provincial main station system, and the regional monitoring center comprises a regional emergency command platform, a regional power grid check platform, a regional emergency command platform and a regional branch control platform which are connected with the regional main station system.
The transformer substation security and protection early warning linkage system is of a layered and partitioned distributed structure and is constructed according to three levels, namely a transformer substation security and protection early warning linkage system provincial level main station system, a transformer substation security and protection early warning linkage system regional level main station system and a transformer substation security and protection early warning linkage system station end system. Each level of system comprises a management server, an authentication management server, a streaming media server, a video server, a communication server, a client, an interface system and the like.
The system integrally displays and controls all monitoring quantities such as environment, video, fire fighting, heating ventilation, lighting, SF6, safety precaution, door access and the like on a main interface of the monitoring system, and is not subjected to system-independent display and control. The system monitoring should provide three monitoring modes of electronic video monitoring, map monitoring and chart monitoring, and the electronic map can realize hierarchical display of provinces, cities and substations.
The station end equipment can run off-line, and can still realize normal running, linkage alarm, equipment control, record storage and the like under the conditions of network disconnection, server failure and the like.
The system can be provided with an environment monitoring subsystem, a video monitoring subsystem, an entrance guard control subsystem, an equipment control subsystem, a safety protection subsystem, a fire-fighting alarm subsystem, an SF6 monitoring alarm subsystem and other subsystems in the system to be linked; the system can also be linked with an in-station automation system in a hardware and software mode, and can realize user-defined equipment linkage, including field equipment operation linkage video, integrated automation system alarm linkage access control video and the like. And automatic closed-loop control and alarm can be completed according to the site requirements of the transformer substation, such as automatic starting/closing of an air conditioner, automatic starting/closing of a fan, automatic starting/closing of a drainage system and the like.
The environment monitoring subsystem comprises a host computer arranged in a monitoring room, and can monitor the working environments (such as voltage, current, temperature, humidity, water leakage, water level, harmful gas, oxygen content, wind speed and wind direction, smoke, open fire and the like) of some important places and equipment in real time by applying acquisition and transmission technologies; when the working environment is abnormal, the system can display and alarm in time, and can upload data to regional and provincial centers through a communication IP network, and the system has the main functions that: 1. monitoring power equipment: the intelligent interface can be used for monitoring power supply equipment such as alternating current, direct current, UPS and communication; 2. monitoring the environment of the electric power tunnel: monitoring the water level, harmful gases (carbon monoxide, hydrogen sulfide, methane and the like), oxygen content, smoke and other environments; 3. other environmental data acquisition and processing functions: the system comprises an environment temperature, an environment humidity, a cable trench water inlet, a water level depth, a transformer substation wind speed and direction, a smoke signal, an open fire signal and the like; 4. a small animal detector is configured, so that the small animal invasion of the cable trench can be detected, and an alarm signal is sent out; 5. the environment parameter exceeds standard and has automatic alarm and automatic obstacle removing functions: sending out audio-visual alarm when the environmental parameter exceeds the preset value in the monitoring center, flashing and displaying on a graphic display interface or an electronic map interface of the platform, automatically notifying maintenance personnel on duty in a voice and short message mode, and automatically printing/archiving the troubleshooting data; 6. the alert condition management and control function: when an alarm occurs, the operation of an alarm sound box, an acousto-optic integrated warning lamp, a channel door body, a fan, a water pump and the like can be manually or automatically controlled according to the setting, so that the protection and harm reduction are realized; 7. fault location and management functions: according to the setting, the fault occurrence point can be positioned and managed on the electronic map; 8. the link detection function is realized, and the system can monitor the lower computer equipment and the communication line in real time through heartbeat monitoring, automatically diagnose equipment and link faults and display the equipment and the link faults on an interface in real time; 9. historical information query of environment monitoring data, state monitoring data and remote control data; 10. and querying an operation log of the employee.
The video monitoring subsystem comprises a video server and camera equipment connected with the video server, is based on hardware equipment of a digital hard disk video recorder, takes management software of a network video centralized monitoring system as a core, executes powerful system functions, and specifically comprises (A) video monitoring: real-time monitoring, distributed monitoring, card swiping personnel name and environmental data character superposition and other functions during alarming; the method comprises the following steps of (1) expanding and selecting videos to be monitored in a tree-shaped mode according to the region- > a region monitoring center- > each voltage level transformer substation- > a monitoring region- > a camera (which can be a plurality of cameras and is divided into a main camera and a plurality of auxiliary cameras according to a monitoring target), monitoring video information of the transformer substations belonging to the local region in real time, monitoring multiple paths (1, 4, 9 and 16) of the same transformer substation in real time, and realizing simultaneous monitoring of one transformer substation and one screen; the single-path real-time video of a plurality of substations (1, 4 and 9) can be monitored in real time at the same time; multi-angle videos of primary equipment can be monitored simultaneously; different regional inspection centers can only monitor the video of the substation under the jurisdiction of the regional inspection centers; the method can click primary equipment on a substation floor layout picture or a primary equipment connection schematic picture borne by an electronic map and simultaneously monitor multi-angle real-time videos (multi-angle videos for short) of a plurality of cameras of the primary equipment; related videos can be directly checked according to arming, disarming and alarming states on the transformer substation floor plan; a plurality of monitoring workstations and Web users can monitor videos of any transformer substation at the same time; the system has a video automatic reset function, namely a default monitoring position can be set for a camera of a transformer substation, and the camera keeps the default position in a normal state; restoring the default monitoring position within a set time period after the control is finished; the system has the function of automatic video inspection, video inspection is carried out on monitoring points of the system, objects participating in round inspection can be set at will, the objects comprise videos of different transformer substations, different cameras of the same transformer substation, different preset positions of the same camera and the like, the interval time of round inspection can be set, and the cameras completing the round inspection task can be automatically reset; any video can be recorded manually, and any frame of real-time video is captured and stored by pictures of JPEG, JPG or BMP; (II) video recording management: remotely setting a video recording rule of the station end system, and realizing manual video recording, timing video recording, alarm triggering video recording, picture abnormal movement detection video recording and the like of the station end system; the system has a centralized storage function, realizes the centralized storage of videos during serious alarm and power grid accident videos in the regional master station IPSAN, and adopts a video stream mode storage strategy taking seconds as a unit; simultaneously displaying, storing and retrieving a plurality of videos of the cameras selected by the transformer substations; historical videos and pictures of local and various transformer substations are uniformly managed in a human-computer interface mode, and retrieval can be carried out according to combination conditions such as alarm events, time periods, cameras, storage positions and the like; any section of history video can be uploaded from a station end system, and history videos of local and all substations are deleted; the method comprises the steps of remotely playing back historical videos (time is selectable), alarm videos and local videos of any camera of the transformer substation; the playback mode comprises modes of frame-by-frame, slow playback, constant speed, fast speed, progress bar drag and drop and the like; the method has the capabilities of single-frame snapshot and continuous snapshot of the playback video, and can mark the picture for convenient search; (III) data forwarding: the method has the advantages that the method can forward data such as video stream, station video, control information, alarm information, voice talkback stream and the like; supporting IP unicast, forwarding multicast and other communication modes; (IV) a voice talkback function: recording, playing, storing and playing back voice of a scene at a transformer substation end; the two-way voice talkback and voice broadcasting with the master stations and the transformer substations at all levels in real time are realized; the alarm broadcasting function is realized; (V) remote control: remote control station end system video monitoring equipment; adjusting and controlling the visual angle, the azimuth, the focal length, the aperture and the depth of field of the camera; for the camera with the preset position, the presetting and the operation can be directly carried out; after the control operation of the camera is finished, immediately releasing the control authority; setting and inquiring preset positions of the cameras; the door has the control functions of opening and closing any door at the front end, releasing alarm and the like; the arming/disarming control of the transformer substation can be carried out automatically by the system according to a strategy which can be set in advance, and can also be carried out through a transformer substation floor arrangement diagram; the control is divided according to the priority of the users, the users with high priority can unconditionally obtain the control right of the users with low priority, and the users with the same priority obtain the control right according to the time priority principle; (VI) alarm management: video shielding: when a person or an object moves to the position near the camera and causes shielding, the system automatically processes, and triggers linkage alarm output, sound alarm and alarm uploading center according to the set rules of sensitivity, defense deployment and withdrawal response time, shielding alarm area and the like; video covering: in order to protect the privacy and legal rights and interests of others in the monitoring process, an area which is not needed or forbidden to be viewed in the video monitoring range can be set as a privacy area to be shielded by a shielding block; video loss or anomaly: the situation that video is lost or abnormal can be inevitable in the monitoring process, and when the situation occurs, the alarm output, the sound alarm and the alarm uploading center are triggered according to the set alarm processing mode; front-end equipment abnormity warning: when the front-end equipment has the problems of hard disk fullness, hard disk errors, network cable disconnection, IP address conflict, illegal access and video input and output video format mismatching, the system can automatically process, and link the sound alarm, the alarm uploading center and the linkage alarm output according to the set quotation processing mode; all the alarm information is displayed in the alarm window in real time, and the display content comprises date and time, area and station name, associated primary equipment or monitoring equipment, alarm content and other information; displaying alarm information of different levels in a color separation mode, wherein the color of the alarm information can be set; the display can be classified and selected according to the layering and the partitioning, and the prompt and the selection are classified in a card mode; alarm linkage is realized, the video of a specified camera can be switched according to the position of an alarm signal, specified equipment (illumination and the like) is operated, and automatic video recording (the video recording time can be set); realizing the automatic short message warning function of serious warning; flexible alarm information filtering and classifying means are provided, and corresponding filtering conditions and classifying methods are set for different areas, users and workstations; the function of confirming the administrator and the monitor of the alarm information is provided; the confirmation according to the authority and the area, and the confirmation and the processing of the events and the alarms in different areas are relatively independent; all alarm information and confirmation information (including confirmation time, confirmation nodes, confirmation users and the like) are automatically stored and can be printed and output; the alarm device is suitable for having the alarm bell and siren linkage alarm function; comprehensively inquiring historical alarm information according to a time, place and alarm type combination mode; and (seventhly), video identification and motion detection: the functions of video identification, boundary alarm (including video loss, warning lines, warning areas, intrusion detection and the like) and the like are realized, and corresponding alarm linkage is realized; (eight), video analysis and interaction functions: receiving a starting analysis command of a dispatching end or a unified information platform, and controlling a preset position of a camera to finish video picture capture of a monitored object (such as an outdoor disconnecting link and an outdoor switch); intelligent video analysis: crossing an alert surface, entering an area, leaving the area, invading the area, taking and placing articles, loitering, gathering people, parking illegally and moving quickly; (need to configure video analytics dedicated DVRs); modifying the linkage rule on line; and starting the video recording according to the linkage information, and having a pre-recording function, wherein the pre-recording time can be set.
The access control subsystem is an intelligent management system which is based on modern electronics and information technology, is provided with an automatic identification system at an entrance and an exit of a transformer substation and performs operations such as releasing, refusing, recording and the like through the entrance and the exit of people (or objects); the system utilizes a non-contact smart card or fingerprint to replace the traditional laggard mode of manually checking the release of certificates and opening a door by a key, the system automatically identifies identity information and access control authority information on the smart card, a card holder can automatically open the door and allow the entrance and exit only after swiping the card at an access control point with authority within a specified time, otherwise, the door is opened and an alarm signal is output to refuse to open the door for illegal intrusion; the access control authority can be changed at any time, so that the access control authority can be updated in time no matter how people change and flow, and the risk of embezzlement in a key door opening mode does not exist; meanwhile, the entrance guard access record is stored in time, and a direct basis can be provided for investigation of security incidents.
The fire-fighting subsystem can realize real-time monitoring of fire states such as smoke, open fire, main transformer fire fighting and the like; the alarm linkage function is as follows: the functions of local sound-light alarm, computer alarm of a monitoring center and short message alarm of a mobile phone are realized; and can set subsystems such as linkage video, entrance guard, light, etc.; the system can be directly connected to a smoke detector, and can also be integrated with mainstream fire-fighting factory equipment through an intelligent interface.
The equipment control subsystem provides control functions of air conditioners, fans, light, water pumps and other equipment; the automatic linkage function of the system is realized on the auxiliary control host, and the functions of alarming, linkage, recording and the like of the system are not influenced under the conditions of network disconnection, server failure, software shutdown and the like; specifically, the air conditioner energy-saving control function comprises the following steps: manual control function: the air conditioner can be remotely controlled and controlled to start, shut down, heat up, cool down and the like in a monitoring center through management software or a client, and the temperature value of the air conditioner can be directly adjusted; the method has the advantages that the opening and closing of the fans are directly and remotely controlled, the regular opening and closing of the fans can also be set, and at most five automatic time periods can be set for each fan every day; the automatic control function: the functions of closing and opening the air conditioner and closing and opening the fan are automatically controlled by setting the upper and lower temperature and humidity limits and the indoor and outdoor temperature difference; (II) a light control system: manual control: the computer in the monitoring center can remotely control the turning off and turning on of the light; and (3) automatic alarm control: automatically turning on light according to set conditions and alarm signals generated by an infrared detector, a perimeter alarm and an electronic fence; the arming and disarming time group of the light signal is flexibly controlled (aiming at the touch alarm linkage light such as the perimeter and the electronic fence which are uniformly mapped, a linkage time section can be set, the touch alarm is controlled not to be linked in the daytime, the resource consumption is reduced, and the energy-saving effect is achieved); (III) drainage control: the automatic or remote control of the drainage system is realized by monitoring the water level of a key place and sensing control; (IV) other control functions: controlling a heater; and (3) controlling an audible and visual alarm: the starting and the closing are remotely controlled, so that people are prevented from being disturbed; and controlling other devices.
The safety precaution subsystem mainly aims at the places such as the tower, the transformer substation perimeter and the like through the comprehensive application of various detection and sensing technologies to realize the early warning function before the damage of power equipment and the like; the anti-theft alarm system reflects the arrangement, fortification, alarm and various states of the detector in real time through flexible configuration, and prompts alarm information in time; monitoring invasion within the set defense deploying time; the alarm system can be linked with the lighting system, the closed circuit television monitoring system, the entrance guard system and other systems in the area at the same time; the function summary is as follows: laying an electronic fence on a transformer substation enclosure, wherein each wall is basically provided with a defense area; if the invasion behaviors such as wall turning and the like occur, the electronic fence is struck in a high-voltage pulse mode; the human body is not hurt and the safety is ensured; the coating has complete and definite boundary and strong blocking effect and deterrent effect; each defense area is accessed to the auxiliary control host and can be linked with the video monitoring system and the lighting system; if the intrusion phenomenon occurs, switching to an image monitoring interface, if at night, turning on a searchlight in time for deterrence, and carrying out remote shouting warning through an intercom system; the system can be connected with various alarm detectors such as vibration detectors, infrared detectors and the like, and can be timely transmitted to a management center/on-duty maintenance personnel when an alarm condition occurs, so that the condition of the transformer substation can be mastered in real time; all alarm inputs can be linked with a video monitoring system, an access control system and a fire fighting system.
The SF6 detection alarm subsystem is an intelligent online monitoring and early warning system which is designed and developed for providing personal health safety protection for workers in a power distribution unit room provided with SF6 equipment according to the situation that a power system emphasizes safe production; the system mainly detects the SF6 gas content and the oxygen content in the ambient air, can give an alarm in real time when the SF6 gas content in the environment exceeds the standard or is lack of oxygen, automatically starts a ventilator for ventilation at the same time, and has various rich functions of temperature and humidity detection, working state prompt, remote alarm, historical alarm data query and the like; the unique trace SF6 gas detection technology of the system can detect SF6 gas with the concentration of 1000ppm, not only can the purpose of ensuring personal safety be achieved, but also normal operation of equipment can be ensured; the oxygen sensor with high stability at the inlet can provide more layers of reliable protection for field workers; the subsystem is mainly applied to 35KV SF6 switch rooms and 500KV, 220KV and 110KV GIS rooms in the transformer substation; description of the main functions: supporting the infrared human body to induce the fan to be started; SF6 and oxygen are detected, and the requirements of the safety work regulations of the electric industry are met; the SF6 gas concentration is out of limit for alarm, the sound and light prompt is carried out, and when the SF6 gas content is out of standard or is lack of oxygen, the air is automatically discharged when the gas leaks; detecting the oxygen content in the air, and alarming when oxygen deficiency (reaching a set value) occurs; the functions of timed air exhaust and forced air exhaust; the online automatic compensation corrects errors caused by environmental changes, the measurement precision is high, the stability is good, and any false alarm can not occur; the high-performance thermal conductivity sensor accurately detects the leakage amount and gives an alarm; the operation and alarm state of the system can be monitored in real time through a remote network; monitoring multiple areas simultaneously; recording events and historical data; alarm and monitoring data remote transmission function; the long-life design saves the cost for the customer.
Furthermore, the monitoring main system also comprises a cable temperature monitoring and alarming subsystem and a linkage configuration subsystem, wherein the cable temperature monitoring and alarming subsystem adopts a contact type measurement principle to monitor the running temperature of the cable in real time. The system displays the measured value and the change trend of the temperature on the main station through numerical values, curves, bar graphs, simulation graphs and other forms, and provides a basis for judging faults; the linkage configuration subsystem is linked with other subsystems to carry out emergency auxiliary work such as data caching, signal transmission, equipment control and the like.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a transformer substation security protection early warning linked system, a serial communication port, including the province level main website system that sets up in layering, regional level main website system and station end system, province level main website system, regional level main website system and station end system all pass through communication network signal connection, station end system has a plurality ofly and possesses independent monitoring main system, every monitoring main system is connected with the environment monitoring subsystem that is used for monitoring operational environment, a video monitoring subsystem for carrying out network video monitoring, an entrance guard control subsystem for carrying out the control management to entrance guard, a fire alarm subsystem for fire early warning, an equipment control subsystem for equipment trouble early warning, a safety precaution subsystem for just destroying early warning before places such as pylon and SF6 detection alarm subsystem for SF6 gas detects the early warning.
2. The transformer substation security and protection early warning linkage system according to claim 1, wherein the monitoring main system is in signal connection with both a provincial monitoring center and a regional monitoring center, the provincial monitoring center comprises a provincial emergency command platform and a provincial power grid viewing platform which are connected with a provincial master station system, and the regional monitoring center comprises a regional emergency command platform, a regional power grid viewing platform, an regional emergency command platform and an regional sub-control platform which are connected with a regional master station system.
3. The transformer substation security and warning linkage system according to claim 1 or 2, wherein the environment monitoring subsystem comprises a host computer of acquisition and transmission technology and acquisition equipment applying the acquisition and transmission technology, wherein the host computer is installed in a monitoring room.
4. The transformer substation security and protection early warning linkage system according to claim 3, wherein the video monitoring subsystem comprises a video server and a camera device connected with the video server.
5. The transformer substation security and protection early warning linkage system according to claim 4, wherein the monitoring main system further comprises a cable temperature monitoring and alarming subsystem and a linkage configuration subsystem.
6. The transformer substation security and protection early warning linkage system according to claim 5, wherein the access control subsystem is an automatic identification system installed at an entrance and an exit of a transformer substation based on modern electronics and information technology.
7. The transformer substation security and protection early warning linkage system according to claim 6, wherein the fire protection subsystem is provided with a local acousto-optic alarm device, a monitoring center computer alarm device and is linked with other subsystems; the fire-fighting subsystem is directly connected to the smoke detector or integrated with mainstream fire-fighting factory equipment through an intelligent interface.
8. The transformer substation security and protection early warning linkage system according to claim 7, wherein the equipment control subsystem comprises an air conditioner energy-saving control system, a light control system, a drainage control system and other control systems.
9. The transformer substation security and protection early warning linkage system according to claim 8, wherein the security and protection subsystem comprises an anti-theft alarm system which links the lighting system, the closed circuit television monitoring system and the access control system in the area.
10. The transformer substation security and warning linkage system according to claim 9, wherein the SF6 detection alarm subsystem comprises an SF6 detection device, an oxygen detection device and a thermal conductivity sensor.
CN202110071943.3A 2021-01-20 2021-01-20 Transformer substation security early warning linkage system Pending CN112634579A (en)

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CN113936438A (en) * 2021-10-12 2022-01-14 国家电网有限公司 Underground cable operating environment monitoring and early warning device
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CN113744476A (en) * 2021-08-10 2021-12-03 上海建工四建集团有限公司 Emergency evacuation guiding method and device in building
CN113936438A (en) * 2021-10-12 2022-01-14 国家电网有限公司 Underground cable operating environment monitoring and early warning device
CN113936438B (en) * 2021-10-12 2022-12-13 国家电网有限公司 Underground cable operating environment monitoring and early warning device
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CN115855171A (en) * 2023-03-02 2023-03-28 山东铁马电气科技发展有限公司 Online monitoring and alarming system for gas in SF6 electrical equipment and implementation method

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Application publication date: 20210409