CN2252358Y - High-reliability multifunction automatic control device for power station - Google Patents
High-reliability multifunction automatic control device for power station Download PDFInfo
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- CN2252358Y CN2252358Y CN 95240636 CN95240636U CN2252358Y CN 2252358 Y CN2252358 Y CN 2252358Y CN 95240636 CN95240636 CN 95240636 CN 95240636 U CN95240636 U CN 95240636U CN 2252358 Y CN2252358 Y CN 2252358Y
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Abstract
The utility model relates to a high-reliability multifunction automatic control device for power stations, which is composed of a master control device and a slave control device, wherein, the master control device is composed of a monitor and a measuring and control unit, and the slave control device is composed of two measuring and control units and a monitor; the master control device is connected with the slave control device by a common data area, so when the master control device has faults, the slave control device can automatically start and replace the master control device to work. The utility model integrates measurement, signals, control, telecontrol, and protection, has the functions of fault tolerance, fault correction and self-diagnosis and uses a two-from-three voting circuit of the redundant design mode. The utility model has the advantages of high reliability, low cost, multiple functions, etc., and is suitable for automatic control of supply stations and substations.
Description
The utility model is a kind of transformer station's multi-functional automaton in highly reliable power station of control automatically that is used for, and belongs to the electric control appliance technical field.
Present domestic electricity substation secondary device roughly can be divided into three kinds of patterns.The one, usual manner, promptly substation secondary device adopts equipment such as conventional electromagnetic type relay protection, instrument panel, operation screen, reactive-load compensation low-frequency load reduction, and this discrete equipment disposition can not realize transformer station's control robotization.The 2nd, on conventional secondary device basis, dispose computer function, belong to the computer aided management system under the usual manner, far can not satisfy the unwatched robotization requirement of transformer station.The 3rd, the power station integrated automation system of full microcomputerization, adopt novel secondary device to replace conventional electromagnetic type equipment, accomplish that as far as possible hardware resource is shared, realize the function of conventional equipment with different software, replace a large amount of signal cables with computer lan communication, mix telemechanical apparatus and can realize the unattended robotization requirement of transformer station, transfer networking to realize remote control, remote measurement, remote regulating, remote signalling with total by modulation; Because existing equipment adopts different equipment to finish functions such as measurement, signal, control, telemechanical and protection respectively usually, thereby the aspects such as function volume, cost and reliability of system all have been subjected to certain restriction.
The purpose of this utility model is at the deficiencies in the prior art; provide a kind of highly reliable power station multi-functional automaton; it can collect measurement, signal, control, telemechanical and be protected in one; and the function that fault-tolerant, error correction and self diagnosis are arranged helps satisfying power industry modernization, integrated, miniaturization and unmanned requirement.
The utility model adopts the template type structure of Redundancy Design, realize its multi-functional and robotization, it can be formed by master control set with from the control device, master control set can be made of a controller and watch-dog, can constitute by two controllers and a watch-dog from the control device, master control set with is connected by a public data area from the control device, the scheme that (three get two) decided by vote in employing is determined the controller of correct duty.When the equipment operate as normal; master control set is responsible for a protection, measurement and actuating signal thereof and is sent into public data area; monitor the work of master control set by public data area from the control device; serve as some other tasks simultaneously; as the data that received pulse table screen is sent, pass on field data, reception total activation chamber to send various measurement and control signals etc. to the total activation chamber by modulation-demodulation circuit.When the equipment part breaks down, master control set and test, control, produce conclusion inequality from the control device, automatically start for the controller of verifying usefulness this moment and sample, measure, and relatively the conclusion of the conclusion that is produced and two other controller, according to majority rule, to get two in its conclusion three, the voting formula that Here it is it has often been said.Like this,, do not influence the operate as normal of entire equipment even the equipment part breaks down yet, and can correct a mistake data and information, correct operation or signal sent.Simultaneously, this device can also suggestion device in what parts which type of fault takes place, when master control set generation hardware fault, warn signal from the control device after, drop into the master control set work of taking over automatically, and the character of prompting hardware fault; When from the control device when breaking down, the master control set signal that warns then, prompting hardware fault character is so that staff's on-call maintenance.
The utility model compared with prior art has the reliability height, and cost is low, function is many and the automaticity advantages of higher.The software redundancy of this device is greater than hardware redundancy; master control, the complete identical watchdog routine of function of one cover is all arranged from the control device; so that when master control set breaks down, can take over the work of master control set from the control device; not only make the measurement of device collection, signal, control, telemechanical and be protected in one; and improve the reliability of device, and make device under the situation that increases hardware cost hardly, have functions such as fault-tolerant, error correction and self diagnosis.This device some is hung down to move, processing, verification supervisor be suitably redundant, the reparation the when redundancy of data field is provided for factors such as program fleet, interference and causes the destruction of data field.This device adopts many CPU centralized configuration, adopts the STD industrial-controlled general line of stable performance, and each feature board adopts modular design, makes each interface expand easy, easy to maintenance, highly versatile.Circuit such as CPU (central processing unit) and input, output, A/D all adopt photoelectricity to isolate, and have improved the reliability of device.This device connects master control set and from the control device, realizes measuring the data sharing between central signal and telemechanical by public data area of design, has avoided the shortcoming that communication speed is low, be subject to disturb.This device because have that comprehensive cost is low, floor area is little, reliability and automaticity height, so can satisfy power industry modernization, integrated, miniaturization and unmanned requirement, be applicable to the automatic control for transformer stations such as electric system 35KV, 110KV, 220KV.
Fig. 1 is the utility model frame structure synoptic diagram; Fig. 2 is the structural representation of embodiment.
The utility model can adopt scheme shown in the drawings to realize.Watch-dog among Fig. 1 (1) and controller (2) constitute master control set, watch-dog (3) and controller (4), controller (5) constitute from the control device, master control set with is connected by public data area (6) between the device from control, the scheme realization that all can adopt routine in (9) is left in telemechanical apparatus (7), transmitter (8) and control.A kind of collect measurement, signal, control, telemechanical and defencive function be one embodiment as shown in Figure 2.The controller of master control set (2) can be by 64 road band light every analog input expansion board (64A/D A) STD 5498, universal high speed light is every 12 32 road A/D plates (32A/D B) STD 5488, two 32 road light are every switching value power amplifier output board (320UTA) and (320UT B) STD 5373, two 32 road light constitute every the parallel tablet (32IN A) of switching value and (32IN B) STD 5372-2, expansion board is connected with the A/D plate, its input end is connected with the output terminal of transmitter (8), the output terminal of two output boards is connected with the input end of gauge tap (9), the input end of two tablets is connected with the output terminal of gauge tap (9), and each plate all directly is connected with the STD industrial-controlled general line of watch-dog (1); The watch-dog of master control set (1) can be made of the II V40 of system CPU board (V40-II) STD5086, II system of V40 system support plate (SYSTEM) STD 5796, second Chinese character base plate (Chinese Card STD5719), system II polychrome graphics display/QWERTY keyboard interface board (STD 5788), colour picture monitor or QWERTY keyboard can be connected with interface board, and CPU board all is connected with the STD control bus with support plate, Chinese character base plate and interface board.Can be from the watch-dog (3) of control device by the II V40 of system CPU board (V40-II) STD 5086, V40 system support plate (SYSTEM) STD5796, second Chinese character base plate (Chinese Card STD5719), system II polychrome graphics display/QWERTY keyboard interface board (STD 5788), dual diskette drive plate (disc driver STD5186) constitutes, each plate all directly is connected with the STD industrial-controlled general line, also language playing board (STD 5740) and printer plate (LQ1600K) directly can be connected on the STD industrial-controlled general line, colour picture monitor can be connected with the STD industrial-controlled general line by interface board with QWERTY keyboard (101); Controller (4) can be by 64 road band light every analog input expansion board (64A/D C) STD5498, universal high speed light is every 12 32 road A/D plates (32A/D D) STD5488, two 32 road light are every switching value power amplifier output board (320UT C) and (320UT D) STD 5373, two 32 road light constitute every the parallel tablet (32IN C) of switching value and (32IN D) STD5372-2, expansion board is connected with the A/D plate, its input end is connected with the output terminal of transmitter (8), the output terminal of two output boards is connected with the input end of gauge tap (9), the input end of two tablets is connected with the output terminal of gauge tap (9), and each plate directly is connected with the STD control bus of watch-dog (3); Controller (5) can be made of every the parallel tablet (32IN E) of switching value and (32IN F) STD5372-2 every 12 32 road A/D plates (32A/D F) STD5488, two blocks of 32 road light every analog input expansion board (64A/D E) STD5498, universal high speed light 64 road band light, expansion board is connected with the A/D plate, its input end is connected with the output terminal of transmitter (8), the input end of two tablets is connected with the output terminal of gauge tap (9), and each plate all directly is connected with the STD industrial-controlled general line of watch-dog (3).Public data area (public RAM district) adopts dual-port static register (RAM), its left end address wire (LA) and data line (LD) are connected with data line interface (D) with the address interface (A) of the CPU board of the watch-dog (1) of master control set respectively, right-hand member address wire (RA) and data line (RD) are connected with data line interface (D) with address wire interface (A) from the CPU board of the watch-dog (3) of control device respectively, and the RS232 interface of the CPU board of watch-dog (3) is connected with telemechanical apparatus (7).This device can pass through the networking of telemechanical apparatus (7) and total activation, so just can be in the working condition of total activation chamber supervision transformer station, and show on demand or print various forms, and practicable remote control, remote measurement, remote regulating and remote signalling.When at transformer station's local operation, the high-resolution monitor can show transformer station's main wiring diagram and various parameter, and can print various report datas on the spot.Central signal can show the numbering of trip device when emergency stop valve trip, situations such as automatic reclosing and the action of quick-break device.Can show during misoperation that too high and light, the heavy Gas Signal of temperature of oil in transformer, DC power system have or not dead electricity or overtension to cross low situation.Printer can write down every day 0～24 o'clock service data or print required form, as each outlet voltage, electric current, meritorious, idle and power consumption etc., also can write down working condition and the emergency stop valve trip time and the character etc. of relay protection, automatic reclosing, isolating switch.The language playing board can send the language alarm signal by loudspeaker.
Claims (4)
1. one kind is used for transformer station's multi-functional automaton in highly reliable power station of control automatically, form by master control set with from the control device, it is characterized in that master control set is made of a controller and watch-dog, constitute by two controllers and a watch-dog from the control device, master control set be connected by a public data area from controlling device.
2. the multi-functional automaton in highly reliable power station according to claim 1, the controller (2) that it is characterized in that master control set by 64 road light every the analog input expansion board, universal high speed light constitutes every the parallel tablet of switching value every switching value power amplifier output board, two blocks of 32 road light every 12 32 road A/D plates, two blocks of 32 road light, expansion board is connected with the A/D plate, its input end is connected with the output terminal of transmitter (8), the output terminal of two output boards is connected with the input end of gauge tap (9), and each plate all directly is connected with the STD industrial-controlled general line of watch-dog (1); The watch-dog of master control set (1) is put IIV40CPU plate, the II of V40 system support plate, second Chinese character base plate, system II polychrome graphics display/QWERTY keyboard interface board by system and is constituted, and CPU board, support plate, Chinese character base plate and interface board all are connected with the STD industrial-controlled general line.
3. the multi-functional automaton in highly reliable power station according to claim 1 and 2, it is characterized in that being made of the IVV40CPU of system plate, II system of V40 system support plate, second Chinese character base plate, system II polychrome graphics display/QWERTY keyboard interface board, dual diskette drive plate from the watch-dog (3) of control device, each plate all directly is connected with the STD industrial-controlled general line; Controller (4) is made of every the parallel tablet of switching value every switching value power amplifier output board, two blocks of 32 road light every 12 32 road A/D plates, two blocks of 32 road light every analog input expansion board, universal high speed light 64 road band light, expansion board is connected with the A/D plate, its input end is connected with the output terminal of transmitter (8), the output terminal of two output boards is connected with the input end of gauge tap (9), the input end of two tablets is connected with the output terminal of gauge tap (9), and each plate directly is connected with watch-dog (3) STD industrial-controlled general line; Controller (5) is made of every the parallel tablet of switching value every 12 32 road A/D plates, two blocks of 32 road light every analog input expansion board, universal high speed light 64 road band light, expansion board is connected with the A/D plate, its input end is connected with the output terminal of transmitter (8), the input end of two tablets is connected with gauge tap (9) output terminal, and each plate directly is connected with the STD industrial-controlled general line of watch-dog (3).
4. the multi-functional automaton in highly reliable power station according to claim 3, it is characterized in that the public RAM of public data area district adopts dual-port static register (RAM), its left end address wire (LA) and data line (LD) are connected with data line interface (D) with the address wire interface (A) of the CPU board of the watch-dog (1) of master control set respectively, right-hand member address wire (RA) and data line (RD) are connected with data line interface (D) with address wire interface (A) from the CPU board of the watch-dog (3) of control device respectively, and the RS232 interface of the CPU board of watch-dog (3) is connected with telecontrol equipment (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95240636 CN2252358Y (en) | 1995-10-11 | 1995-10-11 | High-reliability multifunction automatic control device for power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95240636 CN2252358Y (en) | 1995-10-11 | 1995-10-11 | High-reliability multifunction automatic control device for power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2252358Y true CN2252358Y (en) | 1997-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95240636 Expired - Fee Related CN2252358Y (en) | 1995-10-11 | 1995-10-11 | High-reliability multifunction automatic control device for power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2252358Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673936A (en) * | 2008-09-11 | 2010-03-17 | 华东电力试验研究院有限公司 | Protection system |
| CN102183674A (en) * | 2011-03-11 | 2011-09-14 | 东南大学 | Low redundancy and high reliability intelligent speed measuring equipment for ship generator set |
| CN102981470A (en) * | 2012-11-15 | 2013-03-20 | 哈尔滨工程大学 | Distributed system recoverable control method |
| CN103760764A (en) * | 2013-11-26 | 2014-04-30 | 西安恒飞电子科技有限公司 | Master-slave controller switching circuit |
| CN105702303A (en) * | 2016-01-20 | 2016-06-22 | 中广核研究院有限公司 | Reactor control rod motion control device |
-
1995
- 1995-10-11 CN CN 95240636 patent/CN2252358Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101673936A (en) * | 2008-09-11 | 2010-03-17 | 华东电力试验研究院有限公司 | Protection system |
| CN102183674A (en) * | 2011-03-11 | 2011-09-14 | 东南大学 | Low redundancy and high reliability intelligent speed measuring equipment for ship generator set |
| CN102183674B (en) * | 2011-03-11 | 2012-09-19 | 东南大学 | Low redundancy and high reliability intelligent speed measuring equipment for ship generator set |
| CN102981470A (en) * | 2012-11-15 | 2013-03-20 | 哈尔滨工程大学 | Distributed system recoverable control method |
| CN102981470B (en) * | 2012-11-15 | 2015-09-30 | 哈尔滨工程大学 | A kind of distributed system can repair control method |
| CN103760764A (en) * | 2013-11-26 | 2014-04-30 | 西安恒飞电子科技有限公司 | Master-slave controller switching circuit |
| CN105702303A (en) * | 2016-01-20 | 2016-06-22 | 中广核研究院有限公司 | Reactor control rod motion control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |