CN103972989B - A kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication - Google Patents
A kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication Download PDFInfo
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- CN103972989B CN103972989B CN201410233607.4A CN201410233607A CN103972989B CN 103972989 B CN103972989 B CN 103972989B CN 201410233607 A CN201410233607 A CN 201410233607A CN 103972989 B CN103972989 B CN 103972989B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention discloses a kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication, comprise field measure-control unit, Networks of Fiber Communications, intelligent control center three parts; Described field measure-control unit comprises the opening/closing operation mechanism of the each equipment running status monitoring of circuit and crucial breaker apparatus; Described Networks of Fiber Communications is to adopt fiber optic Ethernet to complete communicating by letter between measurement and control unit and control centre as transmission medium under the theory of " decentralised control, centralized management "; Described intelligent control center comprises the functions such as Real-Time Monitoring, abnormal alarm, data storage, operated from a distance. The present invention can be to the remote control that takes remote measurement of low-voltage distribution cabinet equipment, is swift in motion reliable and has universality, has saved a large amount of manpower and materials, improves low-voltage distribution field intelligent management level.
Description
Technical field
The invention belongs to the automatically-monitored field of distribution switchgear cabinet, particularly a kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication.
Background technology
Along with the development of Distribution System Integrated Automation technology, user is for the also increasingly stringent of requirement of power supply quality and reliability in recent years. Because traditional low-voltage distribution system maintenance is mainly carried out the work in the mode of regular visit and correction maintenance, there is certain blindness and inefficiencies, seriously hinder power distribution network level and promoted. Therefore, to advance power distribution network transformation and management, accelerate the intelligentize and informatization construction in distribution field by scientific and technological achievements such as Import computer technology, electronic technology, Digital Signal Processing, network service and sensor technologies.
In low voltage power distribution network, switch cubicle plays the important function such as control and protection. The intellectuality that realizes switch cubicle has obvious economic benefit and social benefit. Its feature is Real-time Obtaining equipment standing state data, identification incipient fault remote control equipment action in time, thus front-seat except potential safety hazard in accident generation, make great efforts to make modernization power distribution network management system. At present domestic have many producers or research department all trying to explore intelligent switchboard system, although there is corresponding product on market, but mostly function singleness, reliability are low, far can not meet industrial production and the social life requirement to high-performance terminal, therefore need to update development, making it really can become a part for intelligent grid and merge wherein.
Summary of the invention
The object of this invention is to provide a kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication, this system monitor set, control and protection be in one, the feature such as have that reliable communications, friendly interface, early warning mechanism are improved and easy to maintenance.
The technical solution adopted in the present invention is: a kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication, comprises field measure-control unit, Networks of Fiber Communications, control centre; It is characterized in that: described field measure-control unit is arranged in low-tension switch cabinet, by such as voltage transformer, current transformer, three-phase digital multifunctional measurement and control ammeter, temperature sensor class sensing equipment and watch-dog, each electronic devices and components in described low-tension switch cabinet being carried out to operating state signal collection, and be connected communication by described Networks of Fiber Communications with described control centre; Signal comprehensive analysis that described control centre gathers for receiving field measure-control unit, and abnormal data is reported to the police, assigned control instruction simultaneously, the running status of each electronic devices and components in described low-tension switch cabinet is carried out to remote control.
As preferably, described field measure-control unit comprises acquisition module, central processing unit, communications port module and divide-shut brake module, and described acquisition module, communications port module and divide-shut brake module are connected with central processing unit respectively; Described acquisition module has been used for the collection such as three-phase voltage, electric current, active power, reactive power analoglike amount or switching value data; Described central processing unit outputs to described communications port module after the analog quantity collecting or switching value data are converted to data signal; Described communications port module is mainly connected to information after treatment output the communication manager of fiber optic communication circuit, then communicates by communication manager the optical transmitter and receiver radiating circuit that sends to fiber optic communication circuit after protocol conversion; Described divide-shut brake module is accepted the instruction that central processing unit sends, and carries out breaking-closing operating for current circuit operation conditions.
As preferably, described field measure-control unit also comprises voltage signal conditioning module, current signal conditioning module and simulation trip circuit, wherein the input of voltage signal conditioning module, current signal conditioning module connects respectively the output of each low-tension switch cabinet primary equipment, after an output serial connection simulation trip circuit of current signal conditioning module, connect the input of divide-shut brake module, another output of current signal conditioning module and the output of voltage signal conditioning module connect respectively input, divide-shut brake module and the central processing unit two-way communication of central processing unit.
As preferably, described field measure-control unit also comprises human-computer interaction module, and described human-computer interaction module comprises keyboard matrix, LCDs and run indicator.
As preferably, described Networks of Fiber Communications comprises communication processor, measurement and control unit optical transmitter and receiver, control centre's optical transmitter and receiver, switch and multimode fibre, described communication processor input is connected communication, output and is connected and communicates by letter with described switch input with control centre optical transmitter and receiver by measurement and control unit optical transmitter and receiver, multimode fibre with the communications port module of field measure-control unit, described switch output is connected communication with described control centre.
As preferably, described control centre comprises Real-Time Monitoring module, abnormal alarm module, data memory module, operated from a distance module; Described Real-Time Monitoring module is for composition and ruuning situation with the described low-tension switch cabinet of graphical interfaces demonstration directly perceived, and real-time update data; Described abnormal alarm module is for reporting to the police to abnormal data; Described data memory module is for the storage such as monitored data, operational order, action situation, parameter setting, alarm logging category information; Described operated from a distance module is used for assigning control instruction, and the running status of each electronic devices and components in described low-tension switch cabinet is carried out to remote control.
As preferably, the alarm mechanism of described abnormal alarm module is that real-time status is reported to the police and the Multi-stage alarming mechanism of trend early warning, and real-time status is reported to the police and is used for judging for monitored data, closes on or exceed threshold range and issue the alarm signal of different brackets; Trend early warning for passing through ageing equipment model prediction equipment state trend on the basis of historical data.
As preferably, the communications protocol that described Networks of Fiber Communications adopts is Modbus-TCP, taking different types of electronic devices and components in low-tension switch cabinet as object, the electronic devices and components message used of each model and packing manner all use one independently class encapsulate, assign the corresponding command or trigger after default flow process operating personnel, software can, according in test pattern the packing that automatically completes message being specifically set, when receiving after equipment returned packet, unpack according to protocol specification.
As preferably, described packing flow process specific implementation process is: according to the needs of command message packing, first create command message byte arrays buffer, and array first byte is set to the address of equipment, second byte is set to the corresponding function code of order, then judge and in register, whether have corresponding register value, if there is the register value of direct read operation personnel setting, if do not exist direct default register address and the value of utility command to replace, obtain the CRC check code of command message by CRC check code generator, and the check code of generation is write to last two of command message byte arrays buffer, finally by Send_byte array, buffer data are assigned to transmission, so far complete the packing of command message and issue.
As preferably, the described flow process specific implementation process that unpacks is: the data of the message array that receiver is received reach buffer array and carry out the parsing of data message, first the CRC check code in buffer data is carried out to verification, by comparing with the CRC check code of CRC check coded program generation, judge that whether data are complete, if unanimously continue packet parsing, if inconsistent packet parsing finishes; After CRC check code check, first byte and second byte are resolved, device address and the function code of corresponding message respectively, all the other bytes are corresponding register address and value, and judge in register, whether there be the address corresponding with register address in message, if exist the corresponding registers position that data is passed to main program display interface to carry out data display, skip data display link if do not exist, so far complete the parsing work that receives data.
The present invention, with respect to prior art, has monitor set, control and protection in one, and reliable communications, friendly interface, early warning mechanism are improved and the feature such as easy to maintenance.
Brief description of the drawings
Fig. 1: the structured flowchart of the embodiment of the present invention.
Fig. 2: the packing program programme diagram of the embodiment of the present invention.
Fig. 3: the program that the unpacks programme diagram of the embodiment of the present invention.
Detailed description of the invention
Understand and enforcement the present invention for the ease of those of ordinary skill in the art, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that exemplifying embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
Ask for an interview Fig. 1, the technical solution adopted in the present invention is: a kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication, comprises field measure-control unit, Networks of Fiber Communications, control centre; It is characterized in that: field measure-control unit is arranged in low-tension switch cabinet, by such as voltage transformer, current transformer, three-phase digital multifunctional measurement and control ammeter, temperature sensor class sensing equipment and watch-dog, each electronic devices and components in low-tension switch cabinet being carried out to operating state signal collection, and be connected communication with control centre by Networks of Fiber Communications; Signal comprehensive analysis that described control centre gathers for receiving field measure-control unit, and abnormal data is reported to the police, assigned control instruction simultaneously, the running status of each electronic devices and components in low-tension switch cabinet is carried out to remote control.
The field measure-control unit of the present embodiment comprises acquisition module, central processing unit, communications port module, divide-shut brake module, voltage signal conditioning module, current signal conditioning module, simulation trip circuit and human-computer interaction module; Acquisition module, communications port module and divide-shut brake module are connected with central processing unit respectively; Acquisition module has been used for the collection such as three-phase voltage, electric current, active power, reactive power analoglike amount or switching value data; Central processing unit outputs to communications port module after the analog quantity collecting or switching value data are converted to data signal; Communications port module is mainly connected to information after treatment output the communication manager of fiber optic communication circuit, then communicates by communication manager the optical transmitter and receiver radiating circuit that sends to fiber optic communication circuit after protocol conversion; Divide-shut brake module is accepted the instruction that central processing unit sends, and carries out breaking-closing operating for current circuit operation conditions; The input of voltage signal conditioning module, current signal conditioning module connects respectively the output of each low-tension switch cabinet primary equipment, after an output serial connection simulation trip circuit of current signal conditioning module, connect the input of divide-shut brake module, another output of current signal conditioning module and the output of voltage signal conditioning module connect respectively the input of central processing unit, divide-shut brake module and central processing unit two-way communication; Human-computer interaction module comprises keyboard matrix, LCDs and run indicator.
The central processing unit of the field measure-control unit of the present embodiment is selected the device such as high-grade DSP and large capacity CPLD, and has CAN communication interface, RS485 serial communication interface and communication manager interconnection; Be distributed in each low-tension switch cabinet; can carry out signal monitoring by equipment such as voltage transformer, current transformer, three-phase digital multifunctional measurement and control ammeter, temperature sensors; take classifying alarm for abnormal data or fault state, judge whether automatic starting protection measure (as intelligent breaker is threaded off automatically) according to alarm level. Meanwhile, field measure-control unit provides good human-computer interaction interface with mediation device running state information.
The Networks of Fiber Communications of the present embodiment comprises communication processor, measurement and control unit optical transmitter and receiver, control centre's optical transmitter and receiver, switch and multimode fibre, communication processor input is connected communication, output and is connected and communicates by letter with switch input with control centre optical transmitter and receiver by measurement and control unit optical transmitter and receiver, multimode fibre with the communications port module of field measure-control unit, switch output is connected communication with control centre; The communications protocol that Networks of Fiber Communications adopts is Modbus-TCP, taking different types of electronic devices and components in low-tension switch cabinet as object, the electronic devices and components message used of each model and packing manner all use one independently class encapsulate, assign the corresponding command or trigger after default flow process operating personnel, software can be according in test pattern the packing that automatically completes message being specifically set, when receiving after equipment returned packet, unpack according to protocol specification.
The Networks of Fiber Communications of the present embodiment transmits as medium using optical fiber, communication speed is high, can reach 100Mb/s or 1000Mb/s, and fiber transmission attenuation is low, to thering is larger impedance such as the electromagnetic noise of radio, motor or other adjacent cables, make it avoid being subject to the interference of electrical noise. Along with the application of plastic optical fiber, the installation cost of optical fiber reduces many, and from the long-range angle of safeguarding, the final maintenance cost of optical cable can be very low.
The control centre of the present embodiment comprises Real-Time Monitoring module, abnormal alarm module, data memory module, operated from a distance module; Real-Time Monitoring module is for intuitively show composition and the ruuning situation of low-tension switch cabinet with graphical interfaces, and real-time update data; Abnormal alarm module is for reporting to the police to abnormal data; Data memory module is for the storage such as monitored data, operational order, action situation, parameter setting, alarm logging category information; Operated from a distance module is used for assigning control instruction, the running status of each electronic devices and components in low-tension switch cabinet is carried out to remote control, taking breaker as example, can regulate parameters such as equipment long delay setting current (time), short time delay setting current (practice), instantaneous setting currents, adapt to the demand under different operating modes; Meanwhile, in conjunction with data results, the automatic or manual control command of assigning, to field measure-control unit, ensures circuit safe operation; The alarm mechanism of abnormal alarm module is that real-time status is reported to the police and the Multi-stage alarming mechanism of trend early warning, and real-time status is reported to the police and is used for judging for monitored data, closes on or exceed threshold range and issue the alarm signal of different brackets; Trend early warning for passing through ageing equipment model prediction equipment state trend on the basis of historical data.
Ask for an interview Fig. 2, the packing flow process specific implementation process of the present embodiment is: according to the needs of command message packing, first create command message byte arrays buffer, and array first byte is set to the address of equipment, second byte is set to the corresponding function code of order, then judge and in register, whether have corresponding register value, if there is the register value of direct read operation personnel setting, if do not exist direct default register address and the value of utility command to replace, obtain the CRC check code of command message by CRC check code generator, and the check code of generation is write to last two of command message byte arrays buffer, finally by Send_byte array, buffer data are assigned to transmission, so far complete the packing of command message and issue.
Ask for an interview Fig. 3, the flow process specific implementation process that unpacks of the present embodiment is: the data of the message array that receiver is received reach buffer array and carry out the parsing of data message, first the CRC check code in buffer data is carried out to verification, by comparing with the CRC check code of CRC check coded program generation, judge that whether data are complete, if unanimously continue packet parsing, if inconsistent packet parsing finishes; After CRC check code check, first byte and second byte are resolved, device address and the function code of corresponding message respectively, all the other bytes are corresponding register address and value, and judge in register, whether there be the address corresponding with register address in message, if exist the corresponding registers position that data is passed to main program display interface to carry out data display, skip data display link if do not exist, so far complete the parsing work that receives data.
The control centre of the present embodiment is for receiving monitoring information comprehensive analysis the send on field measure-control unit, by diversified mode image display historical data analysis results such as charts, simultaneously, control instruction is assigned in time for the warning of abnormal data by control centre, operated from a distance field apparatus running status. According to action need, can in control centre's system, change parameter preset the debugging of each equipment in cabinet.
The control centre of the present embodiment is according to the state diagram tendency of the each electronic devices and components operation of low-tension switch cabinet, evaluate in time the running status of each electronic devices and components, and convey to device context by long-range policymaker's control instruction, or the long-range parameters such as divide-shut brake that each electronic devices and components in system are carried out regulate. Real-time and the historical information of switching value, digital quantity and the analog quantity relating to by system database complete documentation system, facilitates calling, inquire about and showing of front page layout; By adopting the visualization interface of VisualStudio2010 instrument and C# language developing intellectual resource control centre, and select the Form class that defines in the .NET framework class libraries System.Windows.Forms name control base class as all forms classes; Showing interface comprises the main functional modules such as operational monitoring, warning message, historical data, Report Server Management and test pattern.
The present invention can realize following functions:
1) defencive function: overload protection, three-phase imbalance, light loading protection, earth-fault protection, contact temperature protection;
2) measurement function: contact temperature, three-phase current, three-phase voltage, power factor, power (meritorious, idle, apparent energy), drop-away time, resetting time, leakage current, action frequency, running time;
3) diagnostic function: fault trip electric current, maximum fault trip electric current, starting current monitoring, alarm record, logout.
Should be understood that, the part that this description does not elaborate all belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; can not therefore think the restriction to scope of patent protection of the present invention; those of ordinary skill in the art is under enlightenment of the present invention; do not departing from the scope situation that the claims in the present invention protect; can also make and replacing or distortion, within all falling into protection scope of the present invention, request protection domain of the present invention should be as the criterion with claims.
Claims (7)
1. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication, comprises field measure-control unit, Networks of Fiber Communications, control centre; It is characterized in that: described field measure-control unit is arranged in low-tension switch cabinet, by sensing equipment and watch-dog, each electronic devices and components in described low-tension switch cabinet are carried out to operating state signal collection; Described sensing equipment comprises voltage transformer, current transformer, three-phase digital multifunctional measurement and control ammeter, temperature sensor; Described sensing equipment is connected communication by described Networks of Fiber Communications with described control centre; Signal comprehensive analysis that described control centre gathers for receiving field measure-control unit, and abnormal data is reported to the police, assigned control instruction simultaneously, the running status of each electronic devices and components in described low-tension switch cabinet is carried out to remote control;
Described Networks of Fiber Communications comprises communication processor, measurement and control unit optical transmitter and receiver, control centre's optical transmitter and receiver, switch and multimode fibre, described communication processor input is connected communication, output and is connected and communicates by letter with described switch input with control centre optical transmitter and receiver by measurement and control unit optical transmitter and receiver, multimode fibre with the communications port module of field measure-control unit, described switch output is connected communication with described control centre;
The communications protocol that described Networks of Fiber Communications adopts is Modbus-TCP, taking different types of electronic devices and components in low-tension switch cabinet as object, the electronic devices and components message used of each model and packing manner all use one independently class encapsulate, assign the corresponding command or trigger after default flow process operating personnel, software can be according in test pattern the packing that automatically completes message being specifically set, when receiving after equipment returned packet, unpack according to protocol specification;
Described packing flow process specific implementation process is: according to the needs of command message packing, first create command message byte arrays buffer, and array first byte is set to the address of equipment, second byte is set to the corresponding function code of order, then judge and in register, whether have corresponding register value, if there is the register value of direct read operation personnel setting, if do not exist direct default register address and the value of utility command to replace, obtain the CRC check code of command message by CRC check code generator, and the check code of generation is write to last two of command message byte arrays buffer, finally by Send_byte array, buffer data are assigned to transmission, so far complete the packing of command message and issue.
2. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication according to claim 1, it is characterized in that: described field measure-control unit comprises acquisition module, central processing unit, communications port module and divide-shut brake module, described acquisition module, communications port module and divide-shut brake module are connected with central processing unit respectively; Described acquisition module has been used for the collection of analog quantity or switching value data, and described analog quantity comprises three-phase voltage, electric current, active power, reactive power; Described central processing unit outputs to described communications port module after the analog quantity collecting or switching value data are converted to data signal; Described communications port module is connected to information after treatment output the communication manager of fiber optic communication circuit, then communicates by communication manager the optical transmitter and receiver radiating circuit that sends to fiber optic communication circuit after protocol conversion; Described divide-shut brake module is accepted the instruction that central processing unit sends, and carries out breaking-closing operating for current circuit operation conditions.
3. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication according to claim 2, it is characterized in that: described field measure-control unit also comprises voltage signal conditioning module, current signal conditioning module and simulation trip circuit, wherein voltage signal conditioning module, the input of current signal conditioning module connects respectively the output of each low-tension switch cabinet primary equipment, after an output serial connection simulation trip circuit of current signal conditioning module, connect the input of divide-shut brake module, another output of current signal conditioning module and the output of voltage signal conditioning module connect respectively the input of central processing unit, divide-shut brake module and central processing unit two-way communication.
4. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication according to claim 2, it is characterized in that: described field measure-control unit also comprises human-computer interaction module, described human-computer interaction module comprises keyboard matrix, LCDs and run indicator.
5. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication according to claim 1, is characterized in that: described control centre comprises Real-Time Monitoring module, abnormal alarm module, data memory module, operated from a distance module;
Described Real-Time Monitoring module is for composition and ruuning situation with the described low-tension switch cabinet of graphical interfaces demonstration directly perceived, and real-time update data;
Described abnormal alarm module is for reporting to the police to abnormal data;
Described data memory module is for the storage of information, and described information comprises monitored data, operational order, action situation, parameter setting, alarm logging;
Described operated from a distance module is used for assigning control instruction, and the running status of each electronic devices and components in described low-tension switch cabinet is carried out to remote control.
6. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication according to claim 5, it is characterized in that: the alarm mechanism of described abnormal alarm module is the Multi-stage alarming mechanism of real-time status warning and trend early warning, real-time status is reported to the police for judging for monitored data, closes on or exceed threshold range and issue the alarm signal of different brackets; Trend early warning for passing through ageing equipment model prediction equipment state trend on the basis of historical data.
7. the Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication according to claim 1, it is characterized in that: the described flow process specific implementation process that unpacks is: the data of the message array that receiver is received reach buffer array and carry out the parsing of data message, first the CRC check code in buffer data is carried out to verification, by comparing with the CRC check code of CRC check coded program generation, judge that whether data are complete, if unanimously continue packet parsing, if inconsistent packet parsing finishes; After CRC check code check, first byte and second byte are resolved, device address and the function code of corresponding message respectively, all the other bytes are corresponding register address and value, and judge in register, whether there be the address corresponding with register address in message, if exist the corresponding registers position that data is passed to main program display interface to carry out data display, skip data display link if do not exist, so far complete the parsing work that receives data.
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Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280130A (en) * | 2014-10-30 | 2015-01-14 | 浙江群力电气有限公司 | Temperature monitoring system of switch cabinet |
| CN104332833A (en) * | 2014-11-14 | 2015-02-04 | 成都华瑞祥电器成套设备有限公司 | Electrical control high-tension switch cabinet |
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| CN110738839A (en) * | 2019-10-30 | 2020-01-31 | 云南电网有限责任公司曲靖供电局 | Intelligent electric meter service environment data acquisition device |
| CN111579115A (en) * | 2020-05-20 | 2020-08-25 | 西安和其光电科技股份有限公司 | Temperature data acquisition and early warning system and method based on fluorescent optical fiber thermometer |
| CN114167831A (en) * | 2021-10-21 | 2022-03-11 | 浙江大立科技股份有限公司 | Test system and method of integrated control system |
| CN116846080B (en) * | 2023-07-13 | 2024-03-26 | 国网山东省电力公司聊城供电公司 | Outdoor ring main unit running state supervision system and method based on data analysis |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201846133U (en) * | 2010-06-13 | 2011-05-25 | 陈家斌 | Intelligent control device of 10KV-20KVcable ring main unit |
| CN102244416A (en) * | 2010-11-16 | 2011-11-16 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN202059213U (en) * | 2011-04-07 | 2011-11-30 | 江苏科技大学 | High tension switchgear controller possessing on-line monitoring and network communication functions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011259522A (en) * | 2010-06-04 | 2011-12-22 | Panasonic Electric Works Co Ltd | Remote meter reading system and switch control apparatus |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201846133U (en) * | 2010-06-13 | 2011-05-25 | 陈家斌 | Intelligent control device of 10KV-20KVcable ring main unit |
| CN102244416A (en) * | 2010-11-16 | 2011-11-16 | 江苏科技大学 | Intelligent cubicle switchboard oriented to intelligent power grid and operating and controlling method thereof |
| CN202059213U (en) * | 2011-04-07 | 2011-11-30 | 江苏科技大学 | High tension switchgear controller possessing on-line monitoring and network communication functions |
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