CN201717678U - Automatic distribution network monitoring terminal - Google Patents
Automatic distribution network monitoring terminal Download PDFInfo
- Publication number
- CN201717678U CN201717678U CN2010202570897U CN201020257089U CN201717678U CN 201717678 U CN201717678 U CN 201717678U CN 2010202570897 U CN2010202570897 U CN 2010202570897U CN 201020257089 U CN201020257089 U CN 201020257089U CN 201717678 U CN201717678 U CN 201717678U
- Authority
- CN
- China
- Prior art keywords
- chip
- central processing
- processing unit
- signal input
- distribution network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
-
- 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
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an automatic distribution network monitoring terminal, which comprises a central processing unit, and a switch signal input circuit for acquiring switch position signals. A signal input end of the central processing unit is connected with a voltage-current acquisition circuit, a signal output end of the central processing unit is respectively connected with a relay node and a man-machine interaction module, and the central processing unit is further communicated with a master station. The automatic distribution network monitoring terminal can realize acquisition and monitoring of eight loops, meet most of application requirements, and achieve infinite final monitoring capacity due to the fact that the terminals can be in cascaded connection through communication buses, and accordingly can be flexibly configured according to site requirements to adapt to being erected from single-loop overhead lines and double-loop same poles to all application occasions, such as ring network power supply, switching stations, distribution rooms, even substations and the like.
Description
Technical field
The utility model relates to distribution network automated field, especially a kind of distribution network automated detection and control terminal.
Background technology
Switching station, ring main unit are as final electricity consumption distributing equipment, and the switching station under distribution network automated overall situation, ring main unit automation have very realistic meanings.In order to guarantee the power supply quality of responsible consumer, the automatic switchover of many active and standby and ring network power supply circuits is provided, and monitor in real time, experienced auxiliary and present switching station, the ring main unit automation three phases of remote-terminal unit RTU in early stage manual operation, later stage.
At present, the automation project of domestic switching station, ring main unit and switchgear house mainly realizes with traditional RTU product, because remote-terminal unit RTU is the product of dispatching automation, the application scenario that is primarily aimed at is the automation of transformation substations, its function can't satisfy the demand of switching station, ring main unit and switchgear house automation, can't carry out the needs configuration according to the varying number of actual distribution line; As the distribution automation product, also there is not local man-machine interface.
The utility model content
The purpose of this utility model be to provide a kind of can be according to the field demand flexible configuration, realize the distribution network automated detection and control terminal of Remote.
For achieving the above object, the utility model has adopted following technical scheme: a kind of distribution network automated detection and control terminal, comprise CPU, the signal input part of CPU connects voltage, current acquisition circuit, and the switching signal input circuit that is used to gather switch position signal, the signal output part of CPU links to each other with relay node, human-computer interaction module respectively, CPU also with the main website communication.
As shown from the above technical solution, the utility model can be realized the acquisition monitoring of 8 loop lines, can satisfy the application demand of the overwhelming majority, simultaneously, owing to can carry out cascade by communication bus, final monitoring capacity can reach infinitely, thereby can be according to the field demand flexible configuration, adaptation is joint used ring network power supply, switching station, switchgear house from single loop line overhead wire, double loop, even all application scenarios such as transformer station.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Embodiment
A kind of distribution network automated detection and control terminal, comprise CPU, the signal input part of CPU connects voltage, current acquisition circuit 1, and the switch position signal input circuit 2 that is used to gather switch position signal, the signal output part of CPU links to each other with relay node 3, human-computer interaction module respectively, described human-computer interaction module is provided with button 9 and LCD display 10, CPU also with main website 4 communications, as shown in Figure 1.
In conjunction with Fig. 1, described CPU comprises first central processing unit 5 and second central processing unit 6, pass through dual port RAM 7 communications between first and second central processing unit, it is mutual to carry out high-speed data, the signal input part of first central processing unit 5 connects voltage, current acquisition circuit 1, the signal input part of second central processing unit 6 connects switch position signal input circuit 2, the signal output part of second central processing unit 6 links to each other with relay node 3, human-computer interaction module respectively, and second central processing unit 6 is by Ethernet and main website 4 communications.
In conjunction with Fig. 1, described first central processing unit 5 adopts the TMS320F2812 chip, second central processing unit 6 adopts the LPC2292 chip, the TMS320F2812 chip is responsible for the discrete data collection, FFT calculates, and result of calculation flushed on the dual port RAM 7 in real time, the LPC2292 chip is responsible for storage, stipulations are resolved and man-machine interface is handled.Described voltage, current acquisition circuit 1 adopt a plurality of AD acquisition chip series connection, described AD acquisition chip is the ADS8556 chip, a plurality of ADS8556 chips are pearl chain by the spi bus series connection, each ADS8556 chip has 6 acquisition channels, constitute the system of 30 passages, the collection of 16 parallel-by-bits, the MCBSP bus of final sum TMS320F2812 chip links to each other.
In conjunction with Fig. 1, the signal input part of AD acquisition chip links to each other with voltage transformer pt with current transformer CT, the signal output part of AD acquisition chip links to each other with the signal input part of TMS320F2812 chip, the signal input part of TMS320F2812 chip also links to each other with DC quantity input circuit 8, DC quantity input circuit 8 links to each other with the TMS320F2812 chip by photoelectric isolation module, and that photoelectric isolation module plays is anti-interference, the effect of noise reduction.The TMS320F2812 chip is by dual port RAM 7 and the communication of LPC2292 chip, the LPC2292 chip provides 4 road serial ports by TL16C754C serial ports expansion chip, the LPC2292 chip links to each other with switch position signal input circuit 2, relay node 3 by the CPLD extended chip, switch position signal input circuit 2, relay node 3 all link to each other with the CPLD extended chip by photoelectric isolation module, and that photoelectric isolation module plays is anti-interference, the effect of noise reduction.The LPC2292 chip provides one tunnel network interface that is used for main website 4 communications by the W5100 network chip.Described LPC2292 chip is provided with usb 11, CAN interface 12.
Typical application target of the present utility model is 2 to advance 6 and go out the ring network power supply ring main unit of totally 8 loop lines, the separate unit terminal can be complete remote measurement, the remote signalling data of this application target of collection, and can by on the spot or 4 pairs of each loop lines of main website carry out straighforward operation, thereby the automation function of complete realization 8 loop lines.Simultaneously, terminal is carried out real-time judgement according to the data of gathering, when faults such as circuit short circuit occurs, opens circuit, PT or CT broken string, on send fault warning information, and determine whether to protect on the spot trip operation according to the definite value of setting.Like this, main website 4 can according on the fault message that send, and, finish the FA/DA function, thereby constitute the two-stage automated system of terminating layer and main website layer in conjunction with the structure of an electrical network.
When the observing and controlling capacity of separate unit terminal can't satisfy the TT﹠C requirement of application target, can carry out cascade by the CAN bus that the LPC2292 chip is drawn, reach the purpose of expansion observing and controlling capacity.When two station terminals carry out cascade, can finish the acquisition monitoring of 16 loop lines, 3 station terminal cascades just can be finished collection, the monitoring of 24 loop lines, and by that analogy, the observing and controlling capacity can reach unlimited in theory.
Claims (7)
1. distribution network automated detection and control terminal, it is characterized in that: comprise CPU, the signal input part of CPU connects voltage, current acquisition circuit (1), and the switch position signal input circuit (2) that is used to gather switch position signal, the signal output part of CPU links to each other with relay node (3), human-computer interaction module respectively, CPU also with main website (4) communication.
2. distribution network automated detection and control terminal according to claim 1, it is characterized in that: described CPU comprises first central processing unit (5) and second central processing unit (6), first, pass through dual port RAM (7) communication between two central processing units, the signal input part of first central processing unit (5) connects voltage, current acquisition circuit (1), the signal input part of second central processing unit (6) connects switch position signal input circuit (2), the signal output part of second central processing unit (6) respectively with relay node (3), human-computer interaction module links to each other, and second central processing unit (6) is by Ethernet and main website (4) communication.
3. distribution network automated detection and control terminal according to claim 1, it is characterized in that: described first central processing unit (5) adopts the TMS320F2812 chip, second central processing unit (6) adopts the LPC2292 chip, described voltage, current acquisition circuit (1) adopts a plurality of AD acquisition chip series connection, the signal input part of AD acquisition chip links to each other with voltage transformer pt with current transformer CT, the signal output part of AD acquisition chip links to each other with the signal input part of TMS320F2812 chip, DC quantity input circuit (8) links to each other by the signal input part of photoelectric isolation module with the TMS320F2812 chip, the TMS320F2812 chip is by dual port RAM (7) and the communication of LPC2292 chip, the LPC2292 chip provides 4 road serial ports by TL16C754C serial ports expansion chip, the LPC2292 chip is by CPLD extended chip and switch position signal input circuit (2), relay node (3) links to each other, switch position signal input circuit (2), relay node (3) all links to each other with the CPLD extended chip by photoelectric isolation module, and the LPC2292 chip provides one tunnel network interface that is used for main website (4) communication by the W5100 network chip.
4. distribution network automated detection and control terminal according to claim 1 is characterized in that: described human-computer interaction module is provided with button (9) and LCD display (10).
5. distribution network automated detection and control terminal according to claim 3 is characterized in that: described AD acquisition chip is the ADS8556 chip, and a plurality of ADS8556 chips are pearl chain by the spi bus series connection, and each ADS8556 chip has 6 acquisition channels.
6. distribution network automated detection and control terminal according to claim 3 is characterized in that: described LPC2292 chip is provided with USB interface (11), CAN interface (12).
7. distribution network automated detection and control terminal according to claim 4 is characterized in that: the number of described ADS8556 chip is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202570897U CN201717678U (en) | 2010-07-09 | 2010-07-09 | Automatic distribution network monitoring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202570897U CN201717678U (en) | 2010-07-09 | 2010-07-09 | Automatic distribution network monitoring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201717678U true CN201717678U (en) | 2011-01-19 |
Family
ID=43463684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202570897U Expired - Fee Related CN201717678U (en) | 2010-07-09 | 2010-07-09 | Automatic distribution network monitoring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201717678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570341A (en) * | 2012-02-09 | 2012-07-11 | 华为技术有限公司 | Monitoring system of distribution cabinet |
| CN103197586A (en) * | 2013-04-11 | 2013-07-10 | 南京盘谷电气科技有限公司 | Automatic identification technology of distribution network terminal based on microprocessor |
| CN104133402A (en) * | 2014-07-18 | 2014-11-05 | 芜湖职业技术学院 | Low-voltage power distribution terminal data acquisition device and data acquisition method thereof |
-
2010
- 2010-07-09 CN CN2010202570897U patent/CN201717678U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570341A (en) * | 2012-02-09 | 2012-07-11 | 华为技术有限公司 | Monitoring system of distribution cabinet |
| CN103197586A (en) * | 2013-04-11 | 2013-07-10 | 南京盘谷电气科技有限公司 | Automatic identification technology of distribution network terminal based on microprocessor |
| CN104133402A (en) * | 2014-07-18 | 2014-11-05 | 芜湖职业技术学院 | Low-voltage power distribution terminal data acquisition device and data acquisition method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017166735A1 (en) | Power-grid self-healing system and self-healing logic thereof in 110kv chain power-supply mode | |
| CN105977923B (en) | A kind of substation relay protection apparatus and system for realizing plug and play | |
| CN203589715U (en) | Master-control-type arc light protection system | |
| CN106026088B (en) | Distribution network automated strategy based on the transfer of load layering and zoning | |
| CN104821661B (en) | A kind of power information acquisition system with residual current monitoring function | |
| CN110120664B (en) | Intelligent and reliable urban power distribution network grid structure | |
| CN204668942U (en) | There is the distribution network structure pattern of high reliability | |
| CN202712975U (en) | Distribution automation system | |
| CN111049112A (en) | Automatic fault isolation and self-healing control system and method for 10kV looped network distribution line | |
| CN204497849U (en) | A kind ofly take into account measure and control device that is centralized, formula feeder automation on the spot | |
| CN201717678U (en) | Automatic distribution network monitoring terminal | |
| CN201616682U (en) | Optoelectronic triple-isolated DC cabinet power source monitor of collection system | |
| CN104730397A (en) | Interoperation test system and method between distribution automation terminals | |
| CN204697087U (en) | A kind of VSC-HVDC system remote action data transmission system | |
| CN203481922U (en) | Distribution automation remote measuring and control device for distribution monitoring | |
| CN203275567U (en) | Single phase ground fault indicating and positioning device for neutral point arc-extinguishing coil grounding system | |
| CN110994787A (en) | Low-voltage distribution network automation equipment and system | |
| CN108923393B (en) | Method for isolating faults in station of station integrated power distribution terminal | |
| CN202503368U (en) | Intelligent distributed power distribution monitoring device | |
| CN109861391A (en) | A kind of intelligent low-pressure comprehensive distribution box management system based on Internet of Things | |
| CN202696279U (en) | Circuit breaker controller with dual-power changeover function and dual-power switching system | |
| CN203352281U (en) | Automatic measuring and controlling device for electricity distribution network | |
| CN112398125A (en) | Low-voltage fault self-healing device and control method thereof | |
| CN209948370U (en) | Bypass node type PT cabinet | |
| CN211209379U (en) | Distribution terminal full coverage area distributed self-healing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 230022, No. 9, Bridge Road, Shushan Industrial Park, Hefei, Anhui Patentee after: Anhui Zhongxing Jiyuan Information Technology Co.,Ltd. Address before: Daoxiang road Hefei City, Anhui province 230022 Shushan New Industrial Park No. 9 Patentee before: Anhui Zhongxing Jiyuan Information Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20150709 |
|
| EXPY | Termination of patent right or utility model |