CN201498885U - Electric power system faulty operation preventing device based on wireless communication - Google Patents
Electric power system faulty operation preventing device based on wireless communication Download PDFInfo
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- CN201498885U CN201498885U CN2009201920759U CN200920192075U CN201498885U CN 201498885 U CN201498885 U CN 201498885U CN 2009201920759 U CN2009201920759 U CN 2009201920759U CN 200920192075 U CN200920192075 U CN 200920192075U CN 201498885 U CN201498885 U CN 201498885U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
An electric power system faulty operation preventing device based on wireless communication comprises a fault preventing mainframe, a communication base station, at least one secondary communication station, a lock controller corresponding to each secondary communication station and at least one fault preventing lock corresponding to each lock controller. Each secondary communication station and the communication station realize the wireless communication between the fault preventing mainframe and the lock controller via a Zigbee protocol based the wireless communication. The lock controller controls the open and close of the fault preventing lock and the status collection. Compared with the prior art, the lock controller and the fault preventing mainframe of the utility model use Zigbee wireless communication to realize data transmission. The lock controller can directly control the open and close of the control lock, without manual intervention. The lock controller acquires the site status of the lock and equipment at real time and feeds back to the fault preventing mainframe, in order to ensure the proper operation on the equipment and lock and promote the reliability and safety of site operation.
Description
Technical field
The utility model relates to the anti-misoperation apparatus in a kind of power system transformer substation, and this anti-misoperation apparatus adopts the security maintenance of wireless communication method realization to electric equipment, effectively prevents misoperation.
Background technology
Existing electric misoperation is meant the behavior of the violation normal running program that a variety of causes causes, main wrong drawing circuit breaker, on-load drawing isolating switch, charged hanging earthing conductor or charged splice grafting ground disconnecting link, band earth connection or ground connection disconnecting link combined floodgate, non-synchronization paralleling etc., the generation of electric equipment misoperation is very harmful, may cause substation equipment damage, large-area power-cuts, even generation human casualty accident, what therefore, prevent electric fault-operation accident is the important step that electric power safety is produced.
At present, the device that prevents misoperation of electrical equipment mainly contains Mechanically programm's anti-misoperation locking device, electromagnetism anti-misoperation locking device, shutting device to prevent mistakes in microcomputer etc.Mechanically programm's anti-misoperation locking device generally be applied to 10KV switch cubicle switch, disconnecting link, cutter, cabinet door, mandatory anti-misoperation function is arranged, shortcoming is that secret switch cabinet (as the XGN2-10/07D cabinet) can't carry out electrical verification ground connection, and Mechanically programm's lock nothing prevents to cut by mistake and closes function simultaneously; The electromagnetism anti-misoperation locking device is used for outdoor type transformer station more, but its wiring complexity, the element that relates to is more, it is release that the workman of the certain electrical technology of need grasp just can carry out the people, if switch, disconnecting link, the auxiliary contact of cutter and a certain link of operating mechanism thereof break down and will influence electric operating, safeguard relatively difficulty; Shutting device to prevent mistakes in microcomputer is the novel anti-error technology that developed recently gets up, be widely used in each transformer station, it possesses the mistake of preventing and cuts " five the is anti-" function of closing interior, but traditional microcomputer anti-error device needs cable to be connected between the measure and control device of anti-error main frame and primary equipment, makes that difficulty of construction is big, cost of investment is high, and transform at particularly old station, be not easy more to implement, and the wiring of long distance can make electromagnetic interference be incorporated in the system, influences the reliability of system.
The shortcoming that exists at above-mentioned error-proof device in the prior art, a kind of microcomputer anti-error device based on wireless remote control has been proposed, as application number is a kind of anti-misoperation apparatus 91232341.8 Chinese utility model " microcomputerized wireless remote control anti-misoperation apparatus " promptly discloses, comprise the anti-error main frame that constitutes by single-chip microcomputer, the anti-error lock of microcomputer remote controller and disconnecting link, anti-error main frame and remote controller adopt the radio exchange of information, the anti-error lock of microcomputer remote controller and disconnecting link is in conjunction with just determining whether opening and closing operations, only when correct program, could take out mechanical key, can operate.But the state collecting device in this patent is mounted on the remote controller, and operating personnel need to carry simultaneously mechanical key and remote controller at the scene, and the combination by remote controller and mechanical key can open or close lockset, the operation relative complex; And, the state acquisition of above-mentioned patent is not a real-time online, promptly has only operation the time just can know equipment state, if equipment displacement when not operation (as switch trip time), anti-error main frame just can't obtain this state, still can produce because of equipment state and the on-the-spot not corresponding misoperation fault that causes; In addition, operation to lockset in this patent needs manual intervention to realize, the staff has only and mechanical key is inserted tapered end can operate disconnecting link, stronger to artificial dependence, be difficult to realize automation, work on the spot efficient is low, and manually enters execute-in-place and also have certain danger.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of preventing faulty operation of electric power system device based on wireless telecommunications that can gather, guarantee reliable locking behind the execute-in-place to on-the-spot primary equipment in real time at above-mentioned prior art present situation, the switching station process of this anti-misoperation apparatus is realized automatically by system, need not manual intervention, safeguard more convenient.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: should it is characterized in that: include based on the preventing faulty operation of electric power system device of wireless telecommunications
One anti-error main frame is arranged at controlled transformer station;
One communication base station, this communication base station is connected by cable with described anti-error main frame;
Wireless telecommunications are realized based on the Zigbee agreement between each communication substation and the described communication base station at least one communication substation;
With each corresponding lockset controller in described communication substation, connect by cable between this lockset controller and the corresponding communication substation; And
At least one anti-error lockset of corresponding each described lockset controller, described anti-error lockset are installed on the operating mechanism of the on-the-spot primary equipment of transformer station, and described lockset controller is finished the switching lock control and the state acquisition of described anti-error lockset.
In order to realize the wireless telecommunications between communication base station and the substation, described communication base station includes the 3rd communication module and first radio receiving transmitting module, described communication substation includes the four-way news module and second radio receiving transmitting module, described anti-error main frame includes first communication module that main control module links to each other with this main control module, and described lockset controller includes second communication module that control module links to each other with this control module; Wherein, described the 3rd communication module is connected with first communication module of described anti-error main frame by the RS-232 serial ports, and second communication module of described four-way news module and described lockset controller is connected by cable.
Described communication substation is one to be arranged on the Zigbee wireless communication module in the corresponding described lockset controller, and this wireless communication module links to each other with the control module of described lockset controller.So the communication substation is one to be embedded the wireless communication module in the lockset controller, the installation and maintenance of convenient system.
Described lockset controller includes outlet and control port, the external 220V alternating current of described outlet, and described control port has eight, is connected with a described anti-error lockset by cable respectively.So each lockset controller can be operated eight anti-error locksets simultaneously, improved the operating efficiency of operation task.
Compared with prior art, advantage of the present utility model is: the lockset controller is installed at the scene, adopt the mode of wireless telecommunications to realize data passes between this lockset controller and the anti-error main frame, and, the lockset controller links to each other by communication cable with lockset, can directly control the switching lock of lockset, need not manual intervention and can finish the switching latching operation;
Simultaneously, can also gather the presence states of lockset and equipment in real time and feed back to anti-error main frame by the lockset controller, in the process of operation, anti-error main frame is according to the on-the-spot lockset state of lockset controller detection and the information of equipment state, all the time carry out real-time logic determines, have only confirm that operation of equipment is finished and the lockset closure puts in place after, could continue to carry out next operation item, play real real-time and effective and prevented the misoperation purpose, avoided the problem of the ubiquitous off-line operation potential safety hazard of available technology adopting microcomputer anti-error device.
In addition, the Zigbee wireless communication networks mode that adopted the utility model realizes the data passes between anti-error main frame and the lockset controller, and, the communication substation is one to be integrated in the Zigbee wireless communication module in the lockset controller, make the whole system structure compact more, mounting box is safeguarded more convenient; Zigbee is the wireless communication technology of a kind of short distance, low-power consumption, mainly be suitable for control and remote control field automatically, can embed various device, the Zigbee network has stronger self-organizing, self-healing ability, network can both self-regeneration when transformer station increases or reduce equipment, and network topology structure correspondingly adjusted, need not manual intervention, guarantee that whole system still can operate as normal.
Description of drawings
Fig. 1 is the error-proof device system configuration schematic diagram of the utility model embodiment.
Fig. 2 is the system function module connection diagram of error-proof device shown in Figure 1.
Fig. 3 is the system works flow process figure of error-proof device shown in Figure 1.
Fig. 4 is the network architecture diagram of error-proof device in centralized control system of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 4, be specific embodiment of the utility model, be in particular a kind of error-proof device based on wireless communication technique, include anti-error main frame 1, communication base station 2, communication substation 3, lockset controller 4 and anti-error lockset 5, referring to Fig. 1;
Wherein, anti-error main frame 1 is one to be arranged at the commercialization or the industrial computer of each controlled transformer station, need operation transformer station's main control software and communication interface software, can realize showing current primary system figure, Authority Verification, carry out under the latching logic constraint simulated operation, finish the functions such as field control of grid switching operation;
A plurality of communications substation 3, and carry out wireless telecommunications between the communication base station 2, realize the wireless data delivery between anti-error main frame and the lockset controller;
Anti-error lockset 5 is installed on the operating mechanism of primary equipment at transformer station scene, according to machinery or electric means locking primary equipment, and by contactless mode collecting device state and lockset state.
The communication base station 2 of embodiment is installed on the anti-error main frame of transformer station as Centroid, each communication substation 3 is installed on the on-the-spot lockset controller as terminal node, constitute star-like wireless communication networks based on the Zigbee agreement, a Centroid can be managed 255 terminal nodes at most, can finish the locking and the state acquisition of 2000 equipment at most.
For realize between anti-error main frame and the lockset controller data passes and to the real-time monitoring of on-the-spot lockset and equipment state, each building block of the system of present embodiment has following functional module respectively, referring to Fig. 2:
Anti-error main frame 1 includes main control module 11, first communication module 12, input module 13 and logical checking module 14, wherein, input module 13 is used to realize operator's authentication, the operator can operate anti-error main frame by input module 13 according to authority separately, main control module 11 operations have transformer station's main control software, can real current primary system figure, simulated operation flow of task and the following operation task that passes, and the latching logic verification that logical checking module 14 realizes operation task, and check results fed back to main control module, guarantee the fail safe and the reliability of execute-in-place.
And the control module 41 of lockset controller 4 is a core with single-chip microcomputer 411, includes power module 412, indicating module 413, lockset state detection module 414 and lockset control module 415; Power module 412 gives single-chip microcomputer 411 power supplies; Indicating module 413 includes power supply indicator, run indicator, transfer of data indicator light, state variation indicator light and standby indicator light, is used to provide the operating state of lockset controller; Lockset state detection module 414 links to each other with transducer on being installed in anti-error lockset 5, is used to detect the lockset state, and lockset control module 4 can send unblank pulse current or locking pulse current, can directly control opening or closing of anti-error lockset 5.
Each lockset controller 4 all has an outside numbering, outside numbering is unique in same transformer station, each lockset controller also has 8 control ports respectively, from left to right port numbers is followed successively by 1～8, can control 8 anti-error locksets, finish the locking and the state acquisition of 8 primary equipments, can unique observing and controlling position of determining a primary equipment by the outside numbering and the control end slogan of lockset controller.During execute-in-place, the main control software that is installed on the anti-error main frame of transformer station obtains the observing and controlling position according to the operating equipment numbering, generate unlock instruction or blocking order, the outside numbering and the control end slogan that have comprised the lockset controller in the instruction, lockset controller judge whether to belong to the operational order of this lockset controller according to the outside numbering of the lockset controller of instruction.
The anti-misoperation apparatus of present embodiment is realized anti-misoperation by following steps, referring to Fig. 3:
Step 1: start described anti-error main frame, the main control module of this anti-error main frame shows the primary system figure of current transformer station lockset and equipment initial condition;
Step 2: the main control module of described anti-error main frame is in this machine simulated operation task process, and by the logic verify module of this anti-error main frame this operation task carried out the anti-misoperation locking logic verify; If meet the anti-misoperation locking logic checking, then allow to carry out this operation task, described main control module is preserved the operation item information of this operation task, carries out next step then; If do not meet the anti-misoperation locking logic checking, then forbid carrying out this operation task, the reason of described main control module prompting quiescing, this step then circulates;
Step 3: described main control module generates the pairing unlock instruction of current operation item according to described operation task, and by described first communication module this unlock instruction is sent to corresponding described lockset controller in the mode of wireless telecommunications;
Step 4: the control module of described lockset controller is carried out the described unlock instruction that receives from described second communication module, and this control module sends the pulse current of unblanking to corresponding lockset, and described lockset is unblanked;
Step 5: operating personnel carry out execute-in-place to current device, and the control module of described lockset controller detects the state information of current lockset and equipment, and this state information feeds back to described anti-error main frame through described second communication module;
Step 6: first communication module of described anti-error main frame receives the state of current lockset and equipment, and whether this equipment state of described master control module judges reaches dbjective state; If current device reaches dbjective state, then operation of equipment finishes, and the main control module of this anti-error main frame sends blocking order to described lockset controller, carries out next step then; If current device miss the mark state, then equipment complete operation not returns step 5;
Step 6: the control module of described lockset controller sends the locking pulse current to corresponding lockset, this lockset closure, the control module of described lockset controller detects the closure state information of current lockset, and this state information is fed back to described anti-error main frame through described second communication module:
Step 7: the main control module of described anti-error main frame confirms whether described lockset is closed, if the lockset closure, then the current operation item of described operation task is finished, and this main control module upgrades described primary system figure, carries out next step then; If lockset is not closed, then described main control module prompting operation fault, this step circulates;
Step 8: the described operation task of the master control module judges of described anti-error main frame is not finished last operation item, if then finish this operation task; If not, then continue to carry out next operation item, and return step 3.
Shown in Figure 4, for the ease of managing each controlled transformer station and realization remote monitoring to each controlled transformer station, anti-error main frame at present embodiment also is connected with a collection control main frame 6 by communication cable, collection control main frame 6 is used for management and monitors controlled transformer stations 7 at different levels, in the execute-in-place process, the anti-error main frame 1 of controlled transformer station 7 is in real time with implementation status report set control main frame 6, and collection control main frame 6 is according to implementation status, refresh nominal value in real time, finish the telemonitoring of execute-in-place.
Main operation collection control main control software and collection control telecommunication management software on the collection control main frame 6, and, collection control main frame 6 has all substation data, browse each transforming plant primary system diagram by the mode of switching transformer station, carry out simulated operation generating run track and preserve into operation task, will simulate the operation task that generates by the ethernet communication mode and be handed down to corresponding controlled transformer station 7.
The technical parameter of the communication base station that present embodiment adopted is as follows:
Transmission range: 100m～2000m;
Data-interface: RS-232;
Frequency range: 2.405GHz～2.480GHz;
Transmitting power :-27dBm～25dBm;
Input voltage: DC-9V;
Addressing system: IEEE802.15.4/zigbee normal address;
The CSMA-CA of anti-collision: CSMA-CA and GTS;
Emission maximum electric current: 70mA;
Maximum received current: 70mA;
Standby current: 10mA;
Working temperature :-40～85 ℃.
The technical parameter of the lockset controller that present embodiment adopted is as follows:
Ambient temperature: indoor equipment-20 ℃～60 ℃, temperature difference per day≤15 ℃; Outdoor equipment-40 ℃～60 ℃, temperature difference per day≤50 ℃;
Relative humidity: per day≤95%; Monthly average≤90%; Annual≤85%;
Impact strength: 〉=6g;
Operation circuit voltage :≤500V;
Operating voltage: 195～242V exchanges;
Rated power: 10W;
Lockset operating voltage :+12V ± 20% direct current;
The infield: controller is installed in transforming plant primary equipment district or the master-control room, and realizes and on-the-spot electromagnetic isolation by shield shell;
Anti-error lockset capacity :≤8;
Useful life is locked in electric switching: 〉=50000 times;
Mean Time Between Failures: 〉=50000h;
System oscillation ripple immunity to interference: common mode 2500V, differential mode 1000V;
Static discharge: 8000V;
Fast transient electricity immunity to interference: 1000V;
Surge impact: 1000V;
Power frequency magnetic field immunity to interference: 400A/m;
Working temperature :-40 ℃～60 ℃;
Environment for use satisfies: GB2423.4-1980 " the basic environmental test standard of electric and electronic product " requirement;
Operating current:＜300mA;
Work power consumption:＜2W.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009201920759U CN201498885U (en) | 2009-08-31 | 2009-08-31 | Electric power system faulty operation preventing device based on wireless communication |
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| CN2009201920759U CN201498885U (en) | 2009-08-31 | 2009-08-31 | Electric power system faulty operation preventing device based on wireless communication |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096039A (en) * | 2010-11-05 | 2011-06-15 | 山东电力集团公司泰安供电公司 | Wireless position detecting circuit |
| CN102325165A (en) * | 2011-07-21 | 2012-01-18 | 国电南京自动化股份有限公司 | Binary input/output system based on Zigbee wireless communication and data communication method thereof |
| CN103440693A (en) * | 2013-08-16 | 2013-12-11 | 长园共创电力安全技术股份有限公司 | Anti-error system and method for power grid region |
| CN106655484A (en) * | 2016-06-28 | 2017-05-10 | 内蒙古电力(集团)有限责任公司包头供电局 | Anti-misoperation system based on wireless unlocking and control method thereof |
| CN108521170A (en) * | 2018-03-06 | 2018-09-11 | 国网浙江余姚市供电有限公司 | A centralized control anti-misoperation locking system for regional power grid |
| CN109636991A (en) * | 2019-01-09 | 2019-04-16 | 珠海华伟电气科技股份有限公司 | Anti-misoperation electrolock and its method with communication function |
| CN110428533A (en) * | 2019-08-14 | 2019-11-08 | 珠海理想科技有限公司 | One kind realizing the anti-error integrated intelligent lock management system of lock control based on Internet of Things |
| CN112614718A (en) * | 2020-11-09 | 2021-04-06 | 国网山东省电力公司阳信县供电公司 | Circuit breaker misoperation prevention locking method and system |
| CN113409562A (en) * | 2021-06-04 | 2021-09-17 | 广西电网有限责任公司电力科学研究院 | Wireless remote control device for isolating switch |
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2009
- 2009-08-31 CN CN2009201920759U patent/CN201498885U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096039A (en) * | 2010-11-05 | 2011-06-15 | 山东电力集团公司泰安供电公司 | Wireless position detecting circuit |
| CN102325165A (en) * | 2011-07-21 | 2012-01-18 | 国电南京自动化股份有限公司 | Binary input/output system based on Zigbee wireless communication and data communication method thereof |
| CN102325165B (en) * | 2011-07-21 | 2013-12-11 | 国电南京自动化股份有限公司 | Data communication method of binary input/output system based on Zigbee wireless communication |
| CN103440693A (en) * | 2013-08-16 | 2013-12-11 | 长园共创电力安全技术股份有限公司 | Anti-error system and method for power grid region |
| CN106655484A (en) * | 2016-06-28 | 2017-05-10 | 内蒙古电力(集团)有限责任公司包头供电局 | Anti-misoperation system based on wireless unlocking and control method thereof |
| CN106655484B (en) * | 2016-06-28 | 2023-10-13 | 内蒙古电力(集团)有限责任公司包头供电局 | Error preventing system based on wireless unlocking mode and control method thereof |
| CN108521170A (en) * | 2018-03-06 | 2018-09-11 | 国网浙江余姚市供电有限公司 | A centralized control anti-misoperation locking system for regional power grid |
| CN109636991A (en) * | 2019-01-09 | 2019-04-16 | 珠海华伟电气科技股份有限公司 | Anti-misoperation electrolock and its method with communication function |
| CN110428533A (en) * | 2019-08-14 | 2019-11-08 | 珠海理想科技有限公司 | One kind realizing the anti-error integrated intelligent lock management system of lock control based on Internet of Things |
| CN112614718A (en) * | 2020-11-09 | 2021-04-06 | 国网山东省电力公司阳信县供电公司 | Circuit breaker misoperation prevention locking method and system |
| CN113409562A (en) * | 2021-06-04 | 2021-09-17 | 广西电网有限责任公司电力科学研究院 | Wireless remote control device for isolating switch |
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Granted publication date: 20100602 Termination date: 20180831 |