CN201383712Y - Ring-network cabinet monitor terminal - Google Patents
Ring-network cabinet monitor terminal Download PDFInfo
- Publication number
- CN201383712Y CN201383712Y CN200920171728U CN200920171728U CN201383712Y CN 201383712 Y CN201383712 Y CN 201383712Y CN 200920171728 U CN200920171728 U CN 200920171728U CN 200920171728 U CN200920171728 U CN 200920171728U CN 201383712 Y CN201383712 Y CN 201383712Y
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- module
- measuring
- cpu board
- monitor terminal
- communication
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- Expired - Fee Related
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a ring-network cabinet monitor terminal, which comprises a measuring and controlling device and a protection device. The measuring and controlling device and the protection device are arranged in a separated manner, and are communicated with each other in a CAN cascade manner; and the measuring and controlling device is connected with a master station through an RS232 port. The measuring and controlling device comprises a communication module, a measuring and controlling module, a reserve power source automatic connection module, and a display module, wherein the communication module can achieve real-time communication with the measuring and control module and the reserve power source automatic connection module through the CAN bus. The protection device comprises a measuring and controlling module and a communication module, wherein the measuring and controlling module is connected with the communication module through the CAN bus. The ring-network cabinet monitor terminal has the advantages that the measuring and controlling section and the protection section are arranged separately; the data exchange is achieved by CAN bus; flexible configuration can be achieved according to the field requirement; the multi-CPU mode and a rear-mounted plug-and-pull structure can be adopted to achieve power parameter remote measurement, remote communication and remote control of six loops; and the ring-network cabinet monitor terminal can control 12 operation mechanisms to monitor and control the ring-network cabinet, thereby ensuring the power reliability and continuously and enhancing the power quality.
Description
Technical field
The utility model relates to the 10KV electric network monitoring device, is specifically related to be used for ring network power supply, realizes the terminal that ring main unit is monitored.
Background technology
In recent years, country dropped into a huge sum of money and carried out upgrading urban and rural power grids, however the old urban area distribution line be transformed into the stubborn problem crux.The old urban area distribution line is built the time limit early, and construction criteria is compared relatively low with modern needs, and ageing equipment is serious, and an urgent demand is transformed original power circuit inlet wire.But the old urban area has abundant history culture atmosphere, overhead transmission line corridor and view are required restriction, a lot of power circuits need transform cable line as, narrow and small lane, street shortage switchyard supplies point as the commentaries on classics of sharing of load, and 10kV outdoor box ring main unit can play the function of branch, segmentation, contact in the distribution node, has obtained using widely.
For improving power supply reliability, ring main unit plays very important function in the 10kV urban network restructuring.RTU monitoring unit of the prior art can be gathered different work informations, the state that comprises switch, load current and abort situation etc., can transmit the branch/combined floodgate order of switch cubicle, split to close and carry out remote operation, keep and the central control room communication: during the accessory power supply fault, can guarantee monitoring unit and motor-operating mechanism operate as normal several hours as standby power supply with batteries.But measure and control device and protective device in the RTU monitoring unit integrate.When ring main unit self adopts the RTU monitoring unit during not with protective device is proper; When ring main unit self band protective device, it is redundant that the protective device in the RTU monitoring unit just seems, equipment cost is increased.In addition, the RTU monitoring unit can have the prepared auto restart function according to the field demand flexible configuration.
The utility model content
At above-mentioned the problems of the prior art, the purpose of this utility model is to provide a kind of ring main unit monitor terminal, and it can be according to the field demand flexible configuration, and the prepared auto restart function is set.
The technical scheme that the utility model is taked for achieving the above object is: ring main unit monitor terminal comprises measure and control device and protective device; described measure and control device and protective device are the split settings; adopt the communication of CAN cascade system between the stream oriented device, described measure and control device connects with main website by the RS232 mouth.But the protective device of this terminal is a flexible configuration, when ring main unit self is not with protective device, just increases protective device in this terminal; When ring main unit self has protective device, in this terminal, just do not establish protective device.
Described measure and control device comprises communication module, control module, prepared auto restart module and display module; Described communication module connects with described control module and described prepared auto restart module by the CAN bus and carries out real time communication.
Described control module comprises AD plate and CPU board; Analog quantity input AI enters CPU board by the AD plate, calculates U, I, P, Q parameter by CPU board; Quantity of state input DI and switching value output DO are distributed on the CPU board.Can adopt many cpu models, connect-disconnect structure behind the plate
Described prepared auto restart module comprises AD plate and CPU board; Analog quantity input AI enters CPU board by the AD plate, calculates U, I, P, Q parameter by CPU board; Quantity of state input DI and switching value output DO are distributed on the CPU board.
Described protective device comprises protection control module and communication module, connects by the CAN bus therebetween; Described communication module connects with described measure and control device by another road CAN bus.
Described control module can be gathered six loop lines totally four ten two road input AC analog quantitys simultaneously at most; Provide ten eight road passive switch amount input points, input interface voltage is that 220VDC, 110VDC or 24VD are optional;
Two sections busbar voltages of described prepared auto restart module collection, two tunnel do not have the stream latching current, provide six road passive switch amount input points, and input interface voltage is that 220VDC or 110VDC or 24VD are optional; Leave operational relay and realize uninterrupted power supply according to recording decompression and do not have the stream situation, sending automatically.Detect circuit breaker or on-load switch position in real time, guarantee to meet the prepared auto restart condition, realize inlet wire prepared auto restart and two kinds of functions of bridge joint prepared auto restart.
Described protective device can be gathered eight loop lines, eight phase protective currents, and 20 four road passive switch amounts inputs, the output of ten No. six relay nodes are provided, and interface voltage is that 220VDC or 110VDC or 24VD are optional, and contact rating is 250VAC/5A.
The RS232 interface is adopted in communication between terminal and the main website, adopts the RS232 interface between demonstration and the COM plate, then adopts the CAN bus between COM plate and the CPU board, and main chip is PCA82C250T.
Display module is a user-machine interface, and 320*240 is provided liquid crystal display, and the operation of ten six press keys is arranged.
The beneficial effects of the utility model: realize that observing and controlling and protection branch are arranged, adopt the mode of CANbus to carry out exchanges data, can be according to the field demand flexible configuration, adopt many cpu models, connect-disconnect structure behind the plate, finish six loop line parameters of electric power remote measurements, remote signalling, distant control function, can control 12 dataway operation mechanisms; Have the stand-by power supply of realization and drop into function automatically.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Fig. 1 is the utility model general diagram;
Fig. 2 is the measure and control device structured flowchart;
Fig. 3 is the control module block diagram;
Fig. 4 is the prepared auto restart module frame chart;
Fig. 5 is the protective device block diagram.
Embodiment
Referring to Fig. 1, the utility model comprises measure and control device 1 and protective device 2, and the stream oriented device split is provided with.Measure and control device 1 is communicated by letter with protective device by the CAN bus, collects the information of protective device 2; Communicate by letter by between RS232 mouth and the main website, except giving main website with the information uploading of self, the information of protective device 2 also is transmitted to main website by measure and control device 1 simultaneously.Measure and control device 1 and protective device 2 possess analog quantity input (AI) separately, switching value input (DI), switching value output (DO) respectively.
Referring to Fig. 2, measure and control device 1 comprises control module 11, prepared auto restart module 12, communication module 13 and display module 14; Communication module 13 connects with described control module 11 and described prepared auto restart module 12 by the CAN bus and carries out real time communication, collects remote measurement and on off state amount information, and sends guidance command.Communication module 13 is communicated by letter with display module 14 by RS232, and the remote measurement of will being correlated with, remote signalling amount show by display module, and carry out local guidance command by showing the control module.Power module 15 realizes that stand-by power supply drops into function automatically.
Referring to Fig. 3, control module 11 comprises AD plate 111 and CPU board 112; Analog quantity input AI enters CPU board by the AD plate, calculates U, I, parameters such as P, Q by CPU board; Quantity of state input DI and switching value output DO are distributed on the CPU board.AD plate and CPU board require configuration according to reality, and three groups of CPU board and AD plate are realized independent each six tunnel passive remote signalling amount of six loop lines, ten four tunnel analog quantitys (three phase voltages, residual voltage 4U of gathering; Two of two loop lines are measured electric current 4I, zero-sequence current 2I0 mutually), and the output of six tunnel independence passive relay nodes is arranged.
Referring to Fig. 4, prepared auto restart module 12 comprises AD plate 121 and CPU board 122; Analog quantity input AI enters CPU board by the AD plate, calculates U, I, parameters such as P, Q by CPU board; Quantity of state input DI and switching value output DO are distributed on the CPU board.The prepared auto restart module realizes the prepared auto restart function, and its configuration can be gathered eight tunnel analog quantitys (three phase voltage 3U, three phase voltage 3U in addition, two tunnel do not have stream detects electric current 2I) at most, six tunnel passive remote signalling amounts, and the output of six tunnel independence passive relay nodes is arranged.
Use the CAN communication between three groups of CPU board of communication module and control module and between the CPU board of prepared auto restart module, and between the individual main website, and LCD LCD MODULE and power module between all adopt the RS-232 communication modes; And leave a RS-485 and an Ethernet interface.
Referring to Fig. 5, protective device 2 comprises protection control module 21 and communication module 22, connects by the CAN bus therebetween; Communication module 22 connects with measure and control device 1 by another road CAN bus.Configurable many group control boards of protection control module 21 and CPU board, every group of CPU board and control board are gathered two of two loop lines protective current 4I mutually, and each six tunnel passive remote signalling amount also comprises two independently anti-jump loops, and the output of four tunnel independence passive relay nodes is arranged.Use the CAN communication between four groups of CPU collection plate plates, and realization CAN communication between mode by cascade and the measure and control device 1.
The utility model realizes that observing and controlling and protection branch are arranged, adopt the mode of CANbus to carry out exchanges data, can be according to the field demand flexible configuration, adopt many cpu models, connect-disconnect structure behind the plate, finish six loop line parameters of electric power remote measurements, remote signalling, distant control function, can control 12 dataway operation mechanisms; Realization is to supervision, the control of ring main unit, improved power supply by property and continuity.
Claims (5)
1, ring main unit monitor terminal comprises measure and control device and protective device, it is characterized in that: described measure and control device and protective device split are provided with, and adopt the communication of CAN cascade system between the stream oriented device, and described measure and control device connects with main website by the RS232 mouth.
2, ring main unit monitor terminal according to claim 1 is characterized in that: described measure and control device comprises communication module, control module, prepared auto restart module and display module; Described communication module connects with described control module and described prepared auto restart module by the CAN bus and carries out real time communication.
3, ring main unit monitor terminal according to claim 2 is characterized in that: described control module comprises AD plate and CPU board; Analog quantity input AI enters CPU board by the AD plate, calculates U, I, P, Q parameter by CPU board; Quantity of state input DI and switching value output DO are distributed on the CPU board.
4, ring main unit monitor terminal according to claim 2 is characterized in that: described prepared auto restart module comprises AD plate and CPU board; Analog quantity input AI enters CPU board by the AD plate, calculates U, I, P, Q parameter by CPU board; Quantity of state input DI and switching value output DO are distributed on the CPU board.
5, ring main unit monitor terminal according to claim 1 is characterized in that: described protective device comprises protection control module and communication module, connects by the CAN bus therebetween; Described communication module connects with described measure and control device by another road CAN bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920171728U CN201383712Y (en) | 2009-04-24 | 2009-04-24 | Ring-network cabinet monitor terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920171728U CN201383712Y (en) | 2009-04-24 | 2009-04-24 | Ring-network cabinet monitor terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383712Y true CN201383712Y (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920171728U Expired - Fee Related CN201383712Y (en) | 2009-04-24 | 2009-04-24 | Ring-network cabinet monitor terminal |
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| CN (1) | CN201383712Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860076A (en) * | 2010-04-21 | 2010-10-13 | 东北大学 | Multifunctional electric energy quality monitoring and analyzing system |
| CN102354923A (en) * | 2011-06-22 | 2012-02-15 | 珠海万力达电气股份有限公司 | Switch cabinet intelligence protection measuring and displaying apparatus |
| CN103034156A (en) * | 2012-11-26 | 2013-04-10 | 航天科工深圳（集团）有限公司 | Ring main unit and monitoring system of electric operating mechanism of ring main unit |
| CN103941677A (en) * | 2014-03-28 | 2014-07-23 | 江苏高雷德电力科技有限公司 | Comprehensive intelligent monitoring system of ring main unit |
| CN106054704A (en) * | 2016-06-07 | 2016-10-26 | 南京中凯光电科技股份有限公司 | Intelligent box-type transformer monitoring and control system with communication management and fiber ring network communication being integrated |
| CN112542822A (en) * | 2020-12-14 | 2021-03-23 | 国家能源(山东)工程技术有限公司 | Wind power plant 35KV collector wire ring network cabinet protection system and method |
-
2009
- 2009-04-24 CN CN200920171728U patent/CN201383712Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860076A (en) * | 2010-04-21 | 2010-10-13 | 东北大学 | Multifunctional electric energy quality monitoring and analyzing system |
| CN102354923A (en) * | 2011-06-22 | 2012-02-15 | 珠海万力达电气股份有限公司 | Switch cabinet intelligence protection measuring and displaying apparatus |
| CN102354923B (en) * | 2011-06-22 | 2015-03-11 | 珠海万力达电气自动化有限公司 | Switch cabinet intelligence protection measuring and displaying apparatus |
| CN103034156A (en) * | 2012-11-26 | 2013-04-10 | 航天科工深圳（集团）有限公司 | Ring main unit and monitoring system of electric operating mechanism of ring main unit |
| CN103941677A (en) * | 2014-03-28 | 2014-07-23 | 江苏高雷德电力科技有限公司 | Comprehensive intelligent monitoring system of ring main unit |
| CN106054704A (en) * | 2016-06-07 | 2016-10-26 | 南京中凯光电科技股份有限公司 | Intelligent box-type transformer monitoring and control system with communication management and fiber ring network communication being integrated |
| CN112542822A (en) * | 2020-12-14 | 2021-03-23 | 国家能源(山东)工程技术有限公司 | Wind power plant 35KV collector wire ring network cabinet protection system and method |
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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: 230031, No. 9, Bridge Road, Shushan Industrial Park, Hefei, Anhui Patentee after: Anhui Zhongxing Jiyuan Information Technology Co.,Ltd. Address before: 230088 light mechanical and electrical integration Garden No. 106, science Avenue, Hefei hi tech Zone, Anhui, F10-3 Patentee before: Anhui Zhongxing Jiyuan Information Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20150424 |
|
| EXPY | Termination of patent right or utility model |