CN201383711Y - Measuring and controlling terminal device for switching station - Google Patents
Measuring and controlling terminal device for switching station Download PDFInfo
- Publication number
- CN201383711Y CN201383711Y CN 200920171727 CN200920171727U CN201383711Y CN 201383711 Y CN201383711 Y CN 201383711Y CN 200920171727 CN200920171727 CN 200920171727 CN 200920171727 U CN200920171727 U CN 200920171727U CN 201383711 Y CN201383711 Y CN 201383711Y
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- module
- measuring
- terminal device
- cpu board
- controlling
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- Y02B70/3266—
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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
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a measuring and controlling terminal device for a switching station. The measuring and controlling terminal device comprises a measuring and controlling module, a communication module, a power source module and a display control module, wherein the measuring and controlling module is a distributive unit and has a structure with plug-in on the back plate; the communication module is connected with the measuring and controlling module through a CAN bus; and the communication module is connected with the master station and the display control module through an RS232 port. The measuring and controlling module comprises an AD board and a CPU board, wherein the CPU board can achieve real-time communication with the communication module through the CAN bus; and a digital input DI and a digital output DO are distributed on the CPU board. The measuring and controlling terminal device can collect at most 24 loop voltages and currents, can be used for calculating the active power, the passive power, the total power, the power factor, the harmonic, the bus frequency, and so on, and can provide 144 passive switch quantity access points and 48 pairs of passive remote control contacts, thereby monitoring and controlling multi-loop circuits. The measuring and controlling terminal device has the functions of remote communication, remote measurement, remote control, threshold crossing alert, and so on, and can perform DA/FA function together with the master station, thereby enhancing the power quality.
Description
Technical field
The utility model relates to the electric network measuring and controlling device, be specifically related to switching station detection and control terminal device, be mainly used in switching station, it is the detection and control terminal unit, gather the analog quantity and the quantity of state data of loop line, and calculate the associated electrical force data, and simultaneously data are sent to the main website of system, finish the DA/FA function with the main website of system.
Background technology
Switching station is as final electricity consumption distributing equipment, and the switching station automation under distribution network automated overall situation has very realistic meanings.In order to guarantee the power supply quality of responsible consumer, the automatic switchover of many active and standby supply lines is provided, and monitors in real time, experienced the auxiliary and present switching station automation three phases of RTU in early stage manual operation, later stage.
The switching station measure and control device is mainly used in the switching station, realizes exchanging the collection and the processing capacity of analog information; The combined floodgate or the sub-switching operation of control switching station; Have automatic closing and defencive function simultaneously, fault detect, isolation and recover the function of supplying power of non-fault zone, sequence of events recording (SOE) function, the distant place of definite value is revised and the self check of calling function, self-recovering function.
Present domestic switching station automation project mainly realizes with traditional RTU product, because RTU is the product of dispatching automation, the application scenario that is primarily aimed at is the automation of transformation substations, exist function not meet the demand of switching station automation, can not carry out the needs configuration according to the difference of actual switching station distribution line; As the distribution automation product, also there is not local man-machine interface;
The utility model content
Limitation at present switching station detection and control terminal, the purpose of this utility model is to carry a kind of switching station detection and control terminal device, can be according to the field demand flexible configuration, calculate the associated electrical force data, have functions such as remote signalling, remote measurement, remote control, Threshold Crossing Alert, simultaneously data are sent to the main website of system, finish the DA/FA function with the main website of system.
The utility model is that the technical scheme that its purpose of realization is taked is: switching station detection and control terminal device comprises control module, communication module, power module and shows the control module; Described control module is a distributed unit, adopts the backboard inserter structure, connects by the CAN bus with described communication module; Described communication module obtains data and delivers to main website and apparent control module by the RS232 oral instructions from described control module in real time.
Described control module comprises AD plate and CPU board, and described CPU board is Information Monitoring and calculating when firm and hard from described AD; Described CPU board is by real time communication between CAN bus and the described communication module, and switching value input DI and switching value output DO are distributed on the CPU board simultaneously.
Described communication module master chip adopts DSPIC30F6014.
The AD plate is used to gather the electrical network AC signal; CPU board is used to calculate active power, reactive power, harmonic wave and bus frequency parameter; The communication management module is used to provide five interfaces; Power module is used to be in charge of the power supply of whole device; Showing the control module is used for the display terminal data and assigns instruction.
The configurable four blocks of AD plates of separate unit terminal and four CPU board, a communication module, a power module and an apparent control module.An AD plate adds a CPU board and can gather 16 loop analog quantitys; Calculate parameters such as active power, reactive power, harmonic wave (1～7 time), bus frequency by CPU board, provide 18 tunnel passive states amount access points, with seven pairs of passive states amount output points, realize gathering interval three loop line three-phase alternating voltages, electric current, residual voltage, zero-sequence current.
Two station terminals are gathered 24 loop lines totally 128 road input analog amounts (three-phase voltage, electric current, residual voltage, electric current) at most, and calculate active power, reactive power, harmonic wave parameters such as (1～7 times); And 144 road passive switch amount access points are provided, 48 pairs of passive remote control contacts (and keeping 8 tunnel passive remote control contacts as standby) can be controlled 24 loop line operating mechanisms.
The cascade of CAN bus is adopted in control module and communication module communication, and communication module provides 5 tunnel RS-232 interface, and wherein 1 the tunnel as making progress and the main website communication, and 1 the tunnel is man-machine interface, and other 3 the tunnel is standby.
The beneficial effects of the utility model: adopt many CPU board pattern, connect-disconnect structure behind the plate, analog quantity and quantity of state data that multipotency is gathered 24 loop lines can be according to the field demand flexible configuration; Adopt 16 tunnel 12 bit port parallel sampling AD plate data, calculate the associated electrical force data, have functions such as remote signalling, remote measurement, remote control, Threshold Crossing Alert, simultaneously data are sent to the main website of system, finish the DA/FA function with the main website of system.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described
Fig. 1 is the connection diagram of the utility model in electrical network;
Fig. 2 is the utility model structural representation block diagram;
Fig. 3 is the utility model control module structural representation block diagram;
Embodiment
As shown in Figure 1: the utility model is gathered high-tension line by PT, CT and is exchanged analog signal, the quantity of state of acquisition operations mechanism, and controllable operation mechanism simultaneously.
Shown in Fig. 2,3: the utility model comprises control module 1, communication module 2, power module 4 and shows control module 3; Described control module is a distributed unit, promptly adopts polylith CPU board pattern, connect-disconnect structure behind the plate, and terminal is that development platform designs with DSPIC30F6014, communication module 2 obtains data from described control module in real time by the CAN bus; Communication module 2 connects with main website and apparent control module 3 by the RS232 mouth.
The configurable four AD collection plates of the control module of every station terminal device, four CPU board, an AD plate adds a CPU board and can gather 16 analog quantitys of three loop lines, eighteenmo pass amount, the AD plate is responsible for analog acquisition, CPU board is responsible for data processing, and input of 18 way switch amounts and the output of seven tunnel Passive Shape Control are provided.CAN bus mode and communication module transfer of data are adopted in communication between the innernal CPU plate.The utility model can be achieved as follows function:
Telemetry function: a locking terminal can be gathered 24 loop lines totally one hundred two ten eight road input analog amounts (three-phase voltage, electric current, residual voltage, electric current) simultaneously at most, and calculates active power, reactive power, harmonic wave parameters such as (1～7 times).The on-the-spot biphase current of giving arbitrarily, numerical value can be correctly obtained in requirement.
Remote signalling function: provide 144 road passive switch amount access points, can monitor switching value in real time and change, and generation SOE record in time reports main website (resolution 100ms).
Distant control function: a locking terminal has 48 pairs of passive remote control contacts, can control the operating mechanism of 24 loop lines.And 8 tunnel standby passive remote control contacts are arranged,
The utility model adopts dongle configuration, and gathering loop line quantity can be according to the field demand flexible configuration, and in the control output loop, every CPU board can independently be gathered 18 tunnel passive remote signalling amounts, 16 tunnel analog quantitys (3 phase voltages, 1 residual voltage; 3 loop lines, 3 phase currents, 3 loop line zero-sequence currents), and the output of 7 tunnel independence passive relay nodes is arranged.Use the CAN communication between each CPU board and communication module.All adopt the RS-232 communication modes between communication module and the main website and between communication module and the apparent control module.Every locking terminal device also can be by the another set of terminal installation that is equal to of CAN communication cascade, and every CPU board all adopts hardware encoding (maximum can be distinguished 8 blocks of plates) separately in the two locking terminal devices, in system in order to distinguish other each plate.Also there is (maximum comprises two locking terminal devices) hardware encoding of oneself every locking terminal unit, and maximum coded number is 256.The utility model provides the detection and control terminal of economic and reliable for switching station.
Claims (3)
1, switching station detection and control terminal device comprises control module, communication module, power module and shows the control module; It is characterized in that described control module is a distributed unit, adopt the backboard inserter structure, connect by the CAN bus with described communication module; Described communication module connects with main website and apparent control module by the RS232 mouth.
2, switching station detection and control terminal device according to claim 1, it is characterized in that: described control module comprises AD plate and CPU board, described CPU board is Information Monitoring and calculating when firm and hard from described AD; Described CPU board is by real time communication between CAN bus and the described communication module, and switching value input DI and switching value output DO are distributed on the CPU board.
3, switching station detection and control terminal device according to claim 1 and 2 is characterized in that described communication module master chip adopts DSPIC30F6014.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920171727 CN201383711Y (en) | 2009-04-24 | 2009-04-24 | Measuring and controlling terminal device for switching station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920171727 CN201383711Y (en) | 2009-04-24 | 2009-04-24 | Measuring and controlling terminal device for switching station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383711Y true CN201383711Y (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920171727 Expired - Fee Related CN201383711Y (en) | 2009-04-24 | 2009-04-24 | Measuring and controlling terminal device for switching station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201383711Y (en) |
Cited By (2)
| 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 |
| CN103777591A (en) * | 2013-10-30 | 2014-05-07 | 国家电网公司 | Intelligent switching station integrated monitoring platform controlling method |
-
2009
- 2009-04-24 CN CN 200920171727 patent/CN201383711Y/en not_active Expired - Fee Related
Cited By (2)
| 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 |
| CN103777591A (en) * | 2013-10-30 | 2014-05-07 | 国家电网公司 | Intelligent switching station integrated monitoring platform controlling 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 |