CN204794371U - Distribution network intelligence feeder terminal based on embedded many ARM - Google Patents
Distribution network intelligence feeder terminal based on embedded many ARM Download PDFInfo
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- CN204794371U CN204794371U CN201520504945.7U CN201520504945U CN204794371U CN 204794371 U CN204794371 U CN 204794371U CN 201520504945 U CN201520504945 U CN 201520504945U CN 204794371 U CN204794371 U CN 204794371U
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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
- 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
- Y04S40/126—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 wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a distribution network intelligence feeder terminal based on embedded many ARM, include: the NULL module is with transmission line coupled linking for gather and exchange the analog quantity, observe and control the module, be connected with the NULL module for obtain analog quantity and the conversion number word volume of exchanging, according to the digital quantity calculates and preserves the telemetry intelligence (TELINT), switch input output module is connected with the observing and controlling module for acquire the remote signalling information of shifting, and receive the remote control information output of observing and controling the module, communication module for realize information exchange, man -machine interaction module for display parameters set up information, wireless module for receive or send wireless signal, wherein, observe and control module, communication module, man -machine interaction module respectively by a slice ARM treater as control core. Compared with the prior art, the utility model has the advantages of the security and the reliability at the automatic feeder terminal of distribution network have been increased.
Description
Technical field
The utility model relates to distribution network technology field, especially relates to a kind of power distribution network Intelligent FTU based on embedded many ARM.
Background technology
Distribution network automated feeder terminal unit is the important control unit of whole electrical power distribution automatization system, and it has the collection of power distribution network operational factor, the preservation of fault message and remote signalling displacement information, the function such as power supply, connection control centring system cutting off distribution network failure block supply, ensure non-faulting region.Achieve the monitoring that power distribution network is run, and for the ruuning situation of power distribution network and failure condition, Remote or local operation can realize defencive function.
Last century, distribution network automated feeder terminal unit mainly relied on 51 series monolithics.Also there is the power distribution automation feeder terminal unit using ARM+DSP multi-CPU structure in recent years, but this kind of the Hardware Design complexity, there is the problem that two CPU are incompatible.Although power distribution automation feeder terminal unit is at development, the requirement of modern power systems but can not be met in the development of communication aspects.Electric power system is the multi-input multi-output system of huge a, transition, in order to ensure its safe operation, not only need the operation conditions detecting each node in real time, find abnormal state and the malfunction of electric power system in time, control rapidly in this locality and process, or notify operations staff, accept the remote control command of master station to process real-time failure condition.This requires that the feeder automation terminal equipment being arranged on power distribution network node can not only obtain the operational factor of electrical network by Quick Measuring, and also needing can within the shortest time and master station carry out stablizing, the exchanges data of safety.But existing distribution network automated feeder terminal unit can not meet the demand, also there is the problem of the reliability and stability difference of communication module circuit design and Software for Design.
Utility model content
The purpose of this utility model be exactly provide that a kind of data compatibility is high to overcome defect that above-mentioned prior art exists, data acquisition is accurately based on the power distribution network Intelligent FTU of embedded many ARM.
The purpose of this utility model can be achieved through the following technical solutions:
Based on a power distribution network Intelligent FTU of embedded many ARM, comprising:
Exchanging input module, being of coupled connections with transmission line, for gathering ac analog;
Control module, is connected with interchange input module, for obtaining ac analog and being converted to digital quantity, calculates and preserve telemetry intelligence (TELINT) according to described digital quantity;
Switch input/output module, is connected with control module, and for obtaining remote signalling displacement information, and the remote information receiving control module exports;
Communication module, is connected with control module, for realizing information exchange;
Human-computer interaction module, is connected with communication module, for display parameters configuration information;
Wireless module, connects control module and communication module respectively, for receiving or sending wireless signal;
Power management module, connects control module, switch input/output module, communication module, human-computer interaction module and wireless module respectively, provides power supply;
Wherein, described control module comprises the first arm processor, described communication module comprises the second arm processor, described human-computer interaction module comprises the 3rd arm processor, described first arm processor is connected with the second arm processor by CAN, and the first arm processor, the second arm processor and the 3rd arm processor form many arm processors framework.
Described interchange input module comprises RC filter circuit and the plurality of voltages instrument transformer be connected with RC filter circuit respectively and Multi-path electricity current transformer.
Described control module comprises and also comprises discharge circuit, A/D chip and memory cell, described discharge circuit connects A/D chip respectively and exchanges input module, described memory cell, A/D chip connect the first arm processor respectively, and described memory cell comprises sram chip and Flash chip.
Described switch input/output module comprises photoelectrical coupler and the 8 way switch amount input units be connected with photoelectrical coupler respectively, 8 way switch amount output units and No. 4 relay output units, and described photoelectrical coupler is connected with control module by bus transceiver.
Described second arm processor is connected with level transferring chip and PHY chip.
Described second arm processor is interconnection type ARM chip.
Described human-computer interaction module also comprises the keyboard for revising parameter setting information and the display screen for showing, and described 3rd arm processor connects communication module, keyboard and display screen respectively.
Described wireless module comprises Bluetooth chip and GPRS chip.
Compared with prior art, the utility model has following beneficial effect:
1, the utility model control module, communication module and human-computer interaction module respectively adopt a slice ARM chip as main control chip, for many ARM framework, Each performs its own functions for three ARM chips, collaborative work, and there is good data compatibility, ensure that the accuracy of information gathering, the accuracy of accident treatment operation and the compatibility communicated, stability;
2, adopt the hardware design scheme based on embedded many arm processors structure, all CPU are compatible, and internal data transfer is stablized, and do not need configuration particular interface circuit;
3, the ARM chip of communication module is interconnection type, its Ethernet interface simplicity of design, and only need external PHY chip to get final product configuration ethernet interface, good stability, can realize compatible different communication network medium, and can forward the message information of smart machine on communication network.
The problem such as 4, solve that current power distribution automation feeder terminal unit hardware designs is complicated, incompatible based on two CPU in the hardware design scheme of ARM+DSP, the reliability and stability of communication module circuit design and Software for Design are poor, the stability etc. that the accuracy of the accuracy of the information gathering of feeder-terminal-unit, accident diagnoses and process and feeder-terminal-unit run is obtained for and significantly improves (belonging to above three summaries improved).
5, the utility model uses modular design concept, can significantly improve accuracy and the real-time of distribution network automated line feed terminals information gathering and process, add the safety and reliability of distribution network automated line feed terminals, safeguard and upgrade convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the communication link topology diagram of the utility model power distribution network distributed system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.The present embodiment is implemented premised on technical solutions of the utility model, give detailed execution mode and concrete operating process, but protection range of the present utility model is not limited to following embodiment.
As shown in Figure 1, a kind of power distribution network Intelligent FTU based on embedded many ARM, comprises and exchanges input module 1, control module 2, switch input/output module 3, communication module 4, human-computer interaction module 5, wireless module 7 and power management module 6.Wherein, control module 2, communication module 4, human-computer interaction module 5 each by a slice arm processor as control core.
Exchange No. 5 voltage transformer 11 and No. 4 current transformers 12 that input module 1 comprises RC filter circuit 13 and is connected with RC filter circuit respectively, " be coupled " with transmission line by certain mode, 5 road alternating voltages, 3 road alternating currents and 1 road zero-sequence current can be gathered.
Control module 2 comprise connect successively discharge circuit 23, A/D chip 22, first arm processor 21 and memory cell, discharge circuit 23 is connected with interchange input module 1, first arm processor 21 is connected with communication module 4 by CAN 26, memory cell comprises on sram chip 24 and Flash chip 25, first arm processor 21 and is also connected with jtag interface 27 and RTC clock 28.Control module obtains ac analog from interchange input module, digital quantity is converted to by 16 high-speed, high precision A/D chip AD6706, and data are delivered to the first arm processor by SPI mouth, first arm processor utilizes inner fft algorithm data to be carried out process and obtains remote measurement amount, and according to certain hour (1-5ms) scanning switch amount input/output module, obtain the displacement information of remote signalling amount.Control module sends remote measurement and remote signalling information to communication module by CAN interface, and communication module sends remote control order by CAN to control module simultaneously.Control module, after receiving guidance command, by On-off signal output module, controls corresponding power relay action, opening and closing field apparatus.Discharge circuit coordinates A/D chip, thus the first arm processor can obtain remote signalling data, and the discharge circuit simplicity of design that the present embodiment adopts and sampling are precisely.
Switch input/output module 3 is connected with control module 2,8 way switch amount input unit 32,8 way switch amount the output unit 33 and No. 4 relay output units 34 comprising photoelectrical coupler 31 and be connected with photoelectrical coupler 31 respectively, photoelectrical coupler 31 is connected with control module 2 by bus transceiver.The configurable 16 way switch quantitative change position remote signalling of switch input/output module 3,4 road passive null node remote controls export, and switching value displacement remote signalling input and remote control amount all convert through 24V photoelectric coupler isolation.Control module scans remote signalling displacement information according to certain time interval (1-5ms), or according to remote information, control module exports remote information by On-off signal output module.
Communication module 4 is connected with control module 2, is configured with various communications protocols, for realizing information exchange.Communication module 4 comprises the second arm processor 41, this second arm processor 41 configures 4 RS232 serial communication network interfaces 42 and 2 RS485 serial communication network interfaces 43 by level transferring chip MAX3232 and MAX3485, the external PHY chip DM9161A of mac controller peripheral hardware of the ethernet module of the second arm processor 41, configure 2 10/100M ethernet communication network interfaces 44, can the physical interface of compatible current various power distribution network terminal equipment and master station, ARM chip builds the software platform based on embedded OS μ COS-II and communication protocol group, functional task is designed under this software platform, realization comprises ModbusRTU, Modbus/TCP, IEC60870-5-101 and IEC60870-5-104 is in interior various communications protocols, compatible different communication network medium, and the message information of smart machine on communication network can be forwarded.
Human-computer interaction module 5 is connected with communication module 4, for receiving the telemetry intelligence (TELINT) of control module by communication module and showing, and receiving parameter configuration information simultaneously.Human-computer interaction module 5 comprises the 3rd arm processor 51, for the keyboard 52 of optimum configurations with for showing display screen 53, the 3rd arm processor 51 connects communication module 4, keyboard 52 and display screen 53 respectively.The arm processor of human-computer interaction module 5 uses USART interface, utilize level transferring chip AMAX3232 to configure RS232 serial ports, then be connected with communication module, human-computer interaction module can arrange relevant parameter, the parameter set delivers to communication module by RS232 interface, parameter information is sent to control module by CAN by the ARM chip of communication module, after the ARM chip of control module receives parameter information, and amendment relevant parameter information.
Power management module 6 connects control module 2, switch input/output module 3, communication module 4, human-computer interaction module 5 and wireless module 7 respectively, provides power supply.
Wireless module 7 comprises bluetooth 71 and GPRS72, connects control module 2, communication module 4 and power management module 6 respectively, realizes radio communication.
Figure 2 shows that the communication link topology diagram of the utility model device place distributed system, this device is as the distributed remote terminal FTU in system, communication is completed by serial link or network and district substation, and realizing information exchange with master station further, communication protocol has Modbus sequence of communications agreement and IEC60870-5 serial protocols etc.Described Modbus sequence of communications agreement comprises serial link protocol Modbus/RTU and procotol Modbus/TCP; Described IEC60870-5 sequence of communications agreement comprises serial link protocol IEC60870-5-101 and procotol IEC60870-5-104, in the utility model, feeder automation intelligent end device inside is integrated with various communications protocols stipulations, define communication protocol group, link feeder automation terminal equipment in a communication network can arrange communication protocol by human-computer interaction interface, mates corresponding network.Feeder automation terminal equipment also without there being any protocol conversion device, can being linked on network or other smart machines, completing the function such as exchanges data, message repeating.
In sum, the utility model can realize remote measurement, the Remote control function of 10kV distribution line.Such as: the data such as electric current, voltage, power, harmonic wave of Real-time Collection circuit, the data of collection can be that chronomere uploads in time second, for power distribution automation provides Data support; The failure condition that accurate detection line occurs, comprise fault or the abnormalities such as phase fault, overcurrent, single-phase earthing, overvoltage, under-voltage, phase shortage, power-off, and realize fault and accurately locate, possess remote control and local operation pattern, when accurately determining fault, on the spot by controlling on-pole switch, fault section isolation out, the power supply of other fault-free sections can be recovered; The bringing onto load variation of overhead transmission line institute is large, track remodelling is frequent, and the transmission power of circuit and supplier of electricity are to frequent variation, and therefore the numerical value of failure judgement needs to change thereupon, these changes can be changed by back-stage management center remote by the utility model, use flexibly.In a word, the utility model not only can improve power distribution automation level, and can increase the fail safe of distribution, stability and reliability.
Finally should be noted that; the restriction of above embodiment only for the technical solution of the utility model but not to the utility model protection range; although done detailed description with reference to most preferred embodiment to the utility model; those skilled in the art is to be understood that; can modify or equal replacement to the technical scheme of invention, and not depart from essence and the scope of technical solutions of the utility model.
Claims (7)
1., based on a power distribution network Intelligent FTU of embedded many ARM, it is characterized in that, comprising:
Exchanging input module, being of coupled connections with transmission line, for gathering ac analog;
Control module, is connected with interchange input module, for obtaining ac analog and being converted to digital quantity, calculates and preserve telemetry intelligence (TELINT) according to described digital quantity;
Switch input/output module, is connected with control module, and for obtaining remote signalling displacement information, and the remote information receiving control module exports;
Communication module, is connected with control module, for realizing information exchange;
Human-computer interaction module, is connected with communication module, for display parameters configuration information;
Wireless module, connects control module and communication module respectively, for receiving or sending wireless signal;
Power management module, connects control module, switch input/output module, communication module, human-computer interaction module and wireless module respectively, provides power supply;
Wherein, described control module comprises the first arm processor, described communication module comprises the second arm processor, described human-computer interaction module comprises the 3rd arm processor, described first arm processor is connected with the second arm processor by CAN, and the first arm processor, the second arm processor and the 3rd arm processor form many arm processors framework.
2. the power distribution network Intelligent FTU based on embedded many ARM according to claim 1, is characterized in that, described interchange input module comprises RC filter circuit and the plurality of voltages instrument transformer be connected with RC filter circuit respectively and Multi-path electricity current transformer.
3. the power distribution network Intelligent FTU based on embedded many ARM according to claim 1, it is characterized in that, described control module also comprises discharge circuit, A/D chip and memory cell, described discharge circuit connects A/D chip respectively and exchanges input module, described memory cell, A/D chip connect the first arm processor respectively, and described memory cell comprises sram chip and Flash chip.
4. the power distribution network Intelligent FTU based on embedded many ARM according to claim 1, it is characterized in that, described switch input/output module comprises photoelectrical coupler and the 8 way switch amount input units be connected with photoelectrical coupler respectively, 8 way switch amount output units and No. 4 relay output units, and described photoelectrical coupler is connected with control module by bus transceiver.
5. the power distribution network Intelligent FTU based on embedded many ARM according to claim 1, is characterized in that, described second arm processor is connected with level transferring chip and PHY chip.
6. the power distribution network Intelligent FTU based on embedded many ARM according to claim 5, is characterized in that, described second arm processor is interconnection type ARM chip.
7. the power distribution network Intelligent FTU based on embedded many ARM according to claim 1, it is characterized in that, described human-computer interaction module also comprises the keyboard for revising parameter setting information and the display screen for showing, and described 3rd arm processor connects communication module, keyboard and display screen respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520504945.7U CN204794371U (en) | 2015-07-13 | 2015-07-13 | Distribution network intelligence feeder terminal based on embedded many ARM |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520504945.7U CN204794371U (en) | 2015-07-13 | 2015-07-13 | Distribution network intelligence feeder terminal based on embedded many ARM |
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| CN204794371U true CN204794371U (en) | 2015-11-18 |
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| CN201520504945.7U Expired - Fee Related CN204794371U (en) | 2015-07-13 | 2015-07-13 | Distribution network intelligence feeder terminal based on embedded many ARM |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301451A (en) * | 2015-12-02 | 2016-02-03 | 国网上海市电力公司 | Intelligent feed line control terminal |
| CN106505737A (en) * | 2016-11-27 | 2017-03-15 | 国网浙江省电力公司温州供电公司 | A kind of Intelligent power distribution terminal based on MANET radio communication |
| CN109713786A (en) * | 2017-10-26 | 2019-05-03 | 上海置信电气股份有限公司 | A kind of power distribution station intelligence distribution transformer terminals |
| CN113867224A (en) * | 2021-10-15 | 2021-12-31 | 广东电网有限责任公司江门供电局 | Intelligent household distribution box and management system |
-
2015
- 2015-07-13 CN CN201520504945.7U patent/CN204794371U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301451A (en) * | 2015-12-02 | 2016-02-03 | 国网上海市电力公司 | Intelligent feed line control terminal |
| CN106505737A (en) * | 2016-11-27 | 2017-03-15 | 国网浙江省电力公司温州供电公司 | A kind of Intelligent power distribution terminal based on MANET radio communication |
| CN109713786A (en) * | 2017-10-26 | 2019-05-03 | 上海置信电气股份有限公司 | A kind of power distribution station intelligence distribution transformer terminals |
| CN113867224A (en) * | 2021-10-15 | 2021-12-31 | 广东电网有限责任公司江门供电局 | Intelligent household distribution box and management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181224 Address after: Room 511, 65 Block 2103 Pingliang Road, Yangpu District, Shanghai 200090 Co-patentee after: Shanghai University of Electric Power Patentee after: Shanghai thick wound Mdt InfoTech Ltd Address before: Room 1163, 181 Zhongtao Road, Sigang Town, Songjiang District, Shanghai, 20106 Co-patentee before: Shanghai University of Electric Power Patentee before: Shanghai Xiang Cheng Electric Appliance Equipment Co., Ltd |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |