CN106645938A - Electric energy management system and method for urban rail transit - Google Patents
Electric energy management system and method for urban rail transit Download PDFInfo
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- CN106645938A CN106645938A CN201710084088.3A CN201710084088A CN106645938A CN 106645938 A CN106645938 A CN 106645938A CN 201710084088 A CN201710084088 A CN 201710084088A CN 106645938 A CN106645938 A CN 106645938A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/10—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods using digital techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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Abstract
The invention discloses an electric energy management system for urban rail transit. The system comprises an electric energy high-frequency collecting terminal, a communication interchanger, an information collecting server, a network memory, an electric energy management platform server and a working computer, wherein the electric energy high-frequency collecting terminal is electrically connected to the information collecting server through the communication interchanger; the information collecting server, the network memory and the electric energy management platform server are electrically connected; and the working computer is electrically connected to the electric energy management platform server through the Internet. The invention also discloses an electric energy management method for carrying out electric energy management by adopting the electric energy management system for urban rail transit. According to the electric energy management system and method for urban rail transit, disclosed by the invention, based on a mode of distributed collection and centralized management, the automatic and intelligent level of electric energy monitoring of urban rail transit is enhanced, and integration of safety operation management and electricity-saving management for urban rail transit is realized.
Description
Technical field
The present invention relates to electric energy management system technical field, and in particular to a kind of urban track traffic electric energy management system and
Method.
Background technology
At present the track traffic of cities in China quickly grows, but many problems are still suffered from terms of electrical management.One
Aspect is that electric fault happens occasionally, therefore in the urgent need to General Promotion electrical operation safety management level;On the other hand it is city
Track traffic power consumption in city's is to realize the requirement that national energy-saving is reduced discharging greatly, and the energy efficiency management of using electricity wisely is also imperative.
But for now, the electrical operation safety management level and energy efficiency management level for how improving urban track traffic is industry
The technical barrier captured is difficult to always.
On the one hand urban track traffic accident majority can bring huge economic loss, separately by caused by electric fault
On the one hand will also result in bad social influence.The one side reason for causing these safety utilization of electric power accidents is electrical energy system monitoring
Scarce capacity, specifically includes information gathering frequency is not enough, instrument clock accuracy is not enough, monitor electric parameter deficiency, electricity ginseng
The synchronism of amount is not enough, waveform management function is not enough, power information is interactive not enough, and above-mentioned these deficiencies result in us and pair cannot set
It is standby to carry out security evaluation and health status diagnosis, effective early warning cannot be also realized, and then accident cannot be put out when not sending out.
Current city track traffic lacks the high frequency collection to electric parameter and analysis and early warning to energy data, especially right
The collection of HVDC electric energy information high frequency, record involve frequency analysis etc. and more lack.Most electric energy management system is all simply right
The collection of many energy datas and record, do not carry out analysis and the fault pre-alarming of the quality of power supply.High-frequency data acquisition simultaneously
Huge volume of transmitted data can be produced, electric energy management system on the market all cannot be processed big data simultaneously so that big
The loss of vital data of amount.
The content of the invention
For above-mentioned deficiency, an object of the present invention is to provide a kind of electric energy management system of urban track traffic,
To improve the electrical operation safety management level and energy efficiency management level of urban track traffic.
To realize object above, the present invention is adopted the technical scheme that:
A kind of urban track traffic electric energy management system, including the electric energy high frequency acquisition terminal on each distribution loop,
Communication switcher, information collection server, network memory, electric energy management Platform Server and for accessing electric energy management platform
The working computer of server, electric energy high frequency acquisition terminal is electrically connected by communication switcher with information collection server, information
Acquisition server, network memory and electric energy management Platform Server are electrically connected to each other, and working computer is by internet and electricity
Can management platform server electrical connection;
The electric energy high frequency acquisition terminal includes at least one AC energy high frequency acquisition terminal and at least one direct current
Can high frequency acquisition terminal, for carrying out high frequency collection, analysis to the current signal on each distribution loop and voltage signal, store and
Show on the spot;
The communication switcher, for for each electric energy high frequency acquisition terminal of incoming communication switch and information gathering service
Device provides signal path;
Described information acquisition server, for reading the energy data of each electric energy high frequency acquisition terminal storage, by the electricity
Energy data write network memory, and it is forwarded to electric energy management using the energy data of final time section as real-time energy data
Platform Server;
The network memory, for preserving the electric energy number that information collection server is obtained from each electric energy high frequency acquisition terminal
According to;
The electric energy management Platform Server, for carrying out issue displaying to real-time energy data, and to the network storage
The history energy data of device storage is analyzed, counts, manages, excavates and assesses.
Further, the electric energy high frequency acquisition terminal includes that the current transformer being arranged on distribution loop and voltage are mutual
Sensor, high-precision A/D modular converters, metering module, multichannel ADC, processor, memory, system clock module and
Communication module, the input of high-precision A/D modular converters is electrically connected with current transformer, voltage transformer, output end with metering
The input electrical connection of module, multichannel ADC, metering module, the output end of multichannel ADC and processor are electrically connected
Connect, processor also respectively with memory, system clock module and communication module electrically connect;
The high-precision A/D modular converters, for the electric current, the voltage that collect in current transformer and voltage transformer
Analog signal is converted to data signal;
The metering module, for the data signal after conversion to be calculated and counted;
The multichannel ADC, for carrying out record ripple to the data signal after conversion;
The processor, it is different to being judged as being analyzed process to being computed, counting and recording the energy data after ripple
Normal energy data is identified, and adds the system time write of system clock module to deposit the energy data after analyzing and processing
Reservoir;
The communication module, for receiving the querying command that described information acquisition server sends, is recalled by processor
Information collection server is uploaded in memory after corresponding energy data.
Further, the electric energy high frequency acquisition terminal also include being electrically connected with processor for checking and arranging electric energy
The key-press module of high frequency acquisition terminal and the display module for showing electric energy high frequency acquisition terminal internal information.
Another object of the present invention is to a kind of urban track traffic electric energy management method is provided, to improve city rail friendship
Logical electrical operation safety management level and energy efficiency management level, the method is comprised the following steps:
Step 1, electric energy high frequency acquisition terminal the current signal and voltage signal on each distribution loop is carried out high frequency collection,
Analyze, store and show on the spot;
Step 2, information collection server are sent to each electric energy high frequency acquisition terminal poll by communication switcher and adopt inquiry
Order, the communication module of electric energy high frequency acquisition terminal is received after the querying command of information collection server, to processor request
The energy data that memory is not uploaded is transferred, the energy data not uploaded in processor reading memory is forwarded to communication module and enters
Row is uploaded, and the energy data to having uploaded in memory is identified;
Step 3, information collection server to be received and write network after the energy data that each electric energy high frequency acquisition terminal is returned
Memory, and it is forwarded to electric energy management Platform Server using the energy data of final time section as real-time energy data;
Step 4, electric energy management Platform Server send the real-time energy data for receiving to work meter by internet
Calculation machine carries out issue displaying;
Step 5, operating personnel access electric energy management Platform Server, real-time monitoring electrical equipment fortune by working computer
Row state, and history energy data is obtained from network memory, it is analyzed, counts, manages, excavates and is assessed.
Further, the step 1 specifically includes following steps:
Step 11, current transformer and voltage transformer by being arranged on distribution loop, to the electricity on distribution loop
Stream signal carries out high frequency and gathers and be sent to high-precision A/D modular converters with voltage signal;
Incoming electric current, voltage analog signal are converted to electric current, voltage digital by step 12, high-precision A/D modular converters
Signal, and it is respectively sent to metering module and multichannel ADC;
Step 13, metering module are sent to process after the electric current after conversion, voltage digital signal are calculated and counted
Device,
Step 14, multichannel ADC carry out being sent to process after record ripple to the electric current after conversion, voltage digital signal
Device;
Step 15, processor are analyzed process to the energy data for being computed, count and recording after ripple for receiving, to sentencing
Break and be identified for abnormal energy data, and the energy data after analyzing and processing is added into the system time of system clock module
After write memory.
The beneficial effects of the present invention is:Based on " distribution collection, centralized management " pattern, by electric energy high frequency acquisition terminal
The high-precision acquiring electric energy information of high-frequency and analysis are carried out, energy data is carried out point by electric energy management Platform Server
Analysis, statistics, management, excavation and assessment, to electrical equipment security evaluation and health status diagnosis are carried out, and realize effective early warning,
Automation and the intelligent level of urban track traffic energy monitor are improved, while can also be to the electricity consumption feelings of urban track traffic
Condition is finely distinguished, and differentiates grid electricity fee cost structure, makes the strategy saved electric energy and save the electricity charge, realizes city rail
The safe operation management of traffic is integrated with what using electricity wisely was managed.
Description of the drawings
Fig. 1 is the structural representation of urban track traffic electric energy management system of the present invention;
Fig. 2 is the logical schematic of urban track traffic electric energy management method of the present invention;
Fig. 3 is the structural representation of electric energy high frequency acquisition terminal of the present invention;
Fig. 4 is the workflow diagram of electric energy high frequency acquisition terminal of the present invention;
Specific embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
The urban track traffic electric energy management system of the embodiment of the present invention, based on the mode of " distribution collection, centralized management ",
The collection of energy data first passes through electric energy high frequency acquisition terminal on each collection point of each distribution loop by the way of collecting step by step
Electric current and voltage signal carry out high-frequency collection, and in local analytics and storage, then by the electricity of each electric energy high frequency acquisition terminal
Energy tidal data recovering is ultimately stored on network memory to information collection server, and is shown by electric energy management Platform Server
Output, electric energy management Platform Server can also according to demand obtain the history energy data in network memory, it is ensured that each logical
The information interaction of letter link is unimpeded.
Refer to shown in Fig. 1, a kind of urban track traffic electric energy management system, including electric energy high frequency acquisition terminal, communication
Switch, information collection server, network memory, electric energy management Platform Server and for accessing electric energy management platform service
The working computer of device, electric energy high frequency acquisition terminal is electrically connected by communication switcher with information collection server, information gathering
Server, network memory and electric energy management Platform Server are electrically connected to each other, and working computer is by internet and electric energy pipe
Platform server is electrically connected.
Wherein, electric energy high frequency acquisition terminal includes at least one AC energy high frequency acquisition terminal and at least one direct current
Can high frequency acquisition terminal, for carrying out high frequency collection, analysis to the current signal on each distribution loop and voltage signal, store and
Show on the spot, wherein distribution loop includes tractive transformer loop, distribution transformer loop, station hall layer lighting loop, rail point
Position measure loop and braking energy absorption circuit;Communication switcher, for gathering for each electric energy high frequency of incoming communication switch
Terminal and information collection server provide signal path;Information collection server, deposits for reading each electric energy high frequency acquisition terminal
The energy data of storage, by the energy data network memory is write, and using the energy data of final time section as real-time
Energy data is forwarded to electric energy management Platform Server;Network memory is high from each electric energy for preserving information collection server
The energy data that frequency acquisition terminal is obtained;Electric energy management Platform Server, for carrying out issue displaying to real-time energy data, with
And the history energy data that network memory is stored is analyzed, counts, manages, is excavated and is assessed.
Refer to shown in Fig. 3, electric energy high frequency acquisition terminal includes current transformer and the voltage being arranged on distribution loop
Transformer, high-precision A/D modular converters, metering module, multichannel ADC, processor, memory, system clock module with
And communication module, the input of high-precision A/D modular converters electrically connects with current transformer, voltage transformer, output end and meter
The input electrical connection of amount module, multichannel ADC, metering module, the output end of multichannel ADC and processor are electrically connected
Connect, processor also respectively with memory, system clock module, communication module, for checking and arrange electric energy high frequency acquisition terminal
Key-press module and for show electric energy high frequency acquisition terminal internal information display module electrically connect.
Wherein, high-precision A/D modular converters, for the electric current, the voltage that collect in current transformer and voltage transformer
Analog signal be converted to data signal;Metering module, for the data signal after conversion to be calculated and counted;Multichannel
ADC, for carrying out record ripple to the data signal after conversion;Processor, for being computed, counting and recording the electric energy after ripple
Data are analyzed process, and the energy data to being judged as abnormal is identified, and the energy data after analyzing and processing is added
The system time write memory of system clock module;Communication module, for looking into of receiving that described information acquisition server sends
Order is ask, is recalled in memory by processor and is uploaded to information collection server after corresponding energy data;Display module can
Using LCD display.
Wherein, AC energy high frequency acquisition terminal is used to gather the analog quantitys such as the three-phase voltage and three-phase current of distribution loop
Information, and the carrying out of active power, reactive power, apparent energy, frequency, power factor, electricity can be calculated and be counted;Directly
Stream electric energy high frequency acquisition terminal is used to gather the analog quantity informations such as the DC voltage and DC current of distribution loop, and can be to work(
Rate, electricity are calculated and counted.The main functional modules of the two are identical, therefore no longer it is specifically distinguished.
Refer to shown in Fig. 2, a kind of urban track traffic electric energy management method of the embodiment of the present invention, it includes following step
Suddenly:
Step 1, electric energy high frequency acquisition terminal the current signal and voltage signal on each distribution loop is carried out high frequency collection,
Analyze, store and show on the spot;
Step 2, information collection server send inquiry life by communication switcher to each electric energy high frequency acquisition terminal poll
Order, the communication module of electric energy high frequency acquisition terminal is received after the querying command of information collection server, is adjusted to processor request
The energy data that access to memory is not uploaded, the energy data not uploaded in processor reading memory is forwarded to communication module to be carried out
Upload, and the energy data to having uploaded in memory is identified;
Step 3, information collection server to be received and write network after the energy data that each electric energy high frequency acquisition terminal is returned
Memory, and electric energy management Platform Server is forwarded to using the energy data of final time section as real-time energy data, its
Middle final time section is in present system time 3 seconds;
Step 4, electric energy management Platform Server send the real-time energy data for receiving to work meter by internet
Calculation machine carries out issue displaying;
Step 5, operating personnel access electric energy management Platform Server, real-time monitoring electrical equipment fortune by working computer
Row state, and history energy data is obtained from network memory, it is analyzed, counts, manages, excavates and is assessed, with
Realize electric energy abnormity early warning, power quality analysis, electricity and electricity charge statistics, energy saving research data mining.
Refer to shown in Fig. 4, electric energy high frequency acquisition terminal is carried out to the current signal on each distribution loop with voltage signal
What high frequency was gathered, and analyzed, stores and shown on the spot concretely comprises the following steps:
Step 11, current transformer and voltage transformer by being arranged on distribution loop, to the electricity on distribution loop
Stream signal carries out high frequency and gathers and be sent to high-precision A/D modular converters with voltage signal;
Incoming electric current, voltage analog signal are converted to electric current, voltage digital by step 12, high-precision A/D modular converters
Signal, and it is respectively sent to metering module and multichannel ADC;
Step 13, metering module are sent to process after the electric current after conversion, voltage digital signal are calculated and counted
Device,
Step 14, multichannel ADC carry out being sent to process after record ripple to the electric current after conversion, voltage digital signal
Device;
Step 15, processor are analyzed process to the energy data for being computed, count and recording after ripple for receiving, to sentencing
Break and be identified for abnormal energy data, and the energy data after analyzing and processing is added into the system time of system clock module
After write memory;
Electric energy high frequency acquisition terminal is checked and arranged to step 16, site operation personnel by key-press module, and by showing
Module obtains the information in electric energy high frequency acquisition terminal.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this
Bright protection domain, all equivalence enforcements or change without departing from carried out by the present invention, in being intended to be limited solely by the protection domain of this case.
Claims (5)
1. a kind of urban track traffic electric energy management system, it is characterised in that include the electric energy high frequency on each distribution loop
Acquisition terminal, communication switcher, information collection server, network memory, electric energy management Platform Server and for accessing electricity
The working computer of energy management platform server, electric energy high frequency acquisition terminal is by communication switcher and information collection server electricity
Connection, information collection server, network memory and electric energy management Platform Server be electrically connected to each other, working computer pass through because
Special net is electrically connected with electric energy management Platform Server;
The electric energy high frequency acquisition terminal includes that at least one AC energy high frequency acquisition terminal and at least one direct current energy are high
Frequency acquisition terminal, for carrying out high frequency collection, analysis to the current signal on each distribution loop and voltage signal, stores and on the spot
Show;
The communication switcher, carries for each electric energy high frequency acquisition terminal and information collection server for incoming communication switch
For signal path;
Described information acquisition server, for reading the energy data of each electric energy high frequency acquisition terminal storage, by the electric energy number
According to write network memory, and electric energy management platform is forwarded to using the energy data of final time section as real-time energy data
Server;
The network memory, for preserving the energy data that information collection server is obtained from each electric energy high frequency acquisition terminal;
The electric energy management Platform Server, for carrying out issue displaying to real-time energy data, and stores up to network memory
The history energy data deposited is analyzed, counts, manages, excavates and assesses.
2. urban track traffic electric energy management system according to claim 1, it is characterised in that the electric energy high frequency collection
Terminal include be arranged on distribution loop on current transformer and voltage transformer, high-precision A/D modular converters, metering module,
Multichannel ADC, processor, memory, system clock module and communication module, the input of high-precision A/D modular converters
End electrically connects with current transformer, voltage transformer, and output end is electrically connected with the input of metering module, multichannel ADC,
Metering module, the output end of multichannel ADC are electrically connected with processor, processor also respectively with memory, system clock mould
Block and communication module are electrically connected;
The high-precision A/D modular converters, for current transformer and voltage transformer are collected electric current, voltage simulation
Signal is converted to data signal;
The metering module, for the data signal after conversion to be calculated and counted;
The multichannel ADC, for carrying out record ripple to the data signal after conversion;
The processor, it is abnormal to being judged as being analyzed process to being computed, counting and recording the energy data after ripple
Energy data is identified, and the energy data after analyzing and processing is added into the system time write storage of system clock module
Device;
The communication module, for receiving the querying command that described information acquisition server sends, by processor storage is recalled
Information collection server is uploaded in device after corresponding energy data.
3. urban track traffic electric energy management system according to claim 2, it is characterised in that the electric energy high frequency collection
Terminal also includes the key-press module for checking and arranging electric energy high frequency acquisition terminal electrically connected with processor and for showing
Show the display module of electric energy high frequency acquisition terminal internal information.
4. a kind of urban track traffic electric energy management method, using the arbitrary described urban track traffic electric energy of claim 1-3
Management system, it is characterised in that comprise the following steps:
Step 1, electric energy high frequency acquisition terminal carry out high frequency collection to the current signal and voltage signal on each distribution loop, divide
Analyse, store and show on the spot;
Step 2, information collection server send querying command by communication switcher to each electric energy high frequency acquisition terminal poll, electricity
The communication module of energy high frequency acquisition terminal is received after the querying command of information collection server, and to processor request storage is transferred
The energy data that device is not uploaded, the energy data not uploaded in processor reading memory is forwarded to communication module and is uploaded,
And the energy data to having uploaded in memory is identified;
Step 3, information collection server to be received and write the network storage after the energy data that each electric energy high frequency acquisition terminal is returned
Device, and it is forwarded to electric energy management Platform Server using the energy data of final time section as real-time energy data;
Step 4, electric energy management Platform Server send the real-time energy data for receiving to working computer by internet
Carry out issue displaying;
Step 5, operating personnel access electric energy management Platform Server real-time monitoring electric equipment operation shape by working computer
State, and history energy data is obtained from network memory, it is analyzed, counts, manages, excavates and is assessed.
5. urban track traffic electric energy management method according to claim 4, it is characterised in that the step 1 is specifically wrapped
Include following steps:
Step 11, current transformer and voltage transformer by being arranged on distribution loop, believe the electric current on distribution loop
Number carry out high frequency and gather and be sent to high-precision A/D modular converters with voltage signal;
Incoming electric current, voltage analog signal are converted to electric current, voltage digital signal by step 12, high-precision A/D modular converters,
And it is respectively sent to metering module and multichannel ADC;
Step 13, metering module are sent to processor after the electric current after conversion, voltage digital signal are calculated and counted,
Step 14, multichannel ADC carry out being sent to processor after record ripple to the electric current after conversion, voltage digital signal;
Step 15, processor are analyzed process to the energy data for being computed, count and recording after ripple for receiving, to being judged as
Abnormal energy data is identified, and will write after the system time of the energy data addition system clock module after analyzing and processing
Enter memory.
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CN110809034A (en) * | 2019-10-23 | 2020-02-18 | 南京耐百特智能电气有限公司 | Internet of things sensing module of electric power Internet of things system |
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Application publication date: 20170510 |