CN101206963B - '5-prevention' intelligent unlocking and non-intermittence maintenance system of distribution system - Google Patents
'5-prevention' intelligent unlocking and non-intermittence maintenance system of distribution system Download PDFInfo
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Abstract
The invention relates to a five preventions intelligent unlocking and continuous overhauling system of a transformation and distribution system, which belongs to the emergent protecting device field. The invention comprises a first five preventions terminal machine, an integrative operating screen, a remote blocking controller and a local monitoring machine. The invention is characterized in that the invention is provided with secondary five preventions standby machines which can be communicated with the first five preventions terminal, the integrative operating screen, and the remote blocking controller are arranged, a multi-port relaying unit is arranged between the first five preventions terminal machine and the integrative operating screen, a channel switching unit is arranged between the integrative operating screen and the remote blocking controller, the secondary five preventions standby machines are also correspondingly and respectively connected with the intelligent unlocking and managing machine and a transferring matcher, and the invention is also provided with a set of overhaul tool units which can perform the communication and the exchange data with the integrative operating screen. The invention solves the problems that when the integrative operating screen is required to be overhauled or occurs the failure, the five preventions function of the system vanishes, the remote blocking device and the locker can not unlock normally, and ensure the overhaul and the operation is performed normally under the condition of having the continuous five preventions function.
Description
Technical field
The invention belongs to the emergency protective device field, relate in particular to a kind of emergency protective device that is used for transformation and distribution system.
Background technology
Along with the develop rapidly of China's electric utility, scale of power constantly enlarges, and electric pressure is more and more high, and the taking place frequently property misoperation serious accident of electric power system still exists.The generation of accident will cause enormous economic loss, even jeopardize the person and device security.
Anti-" misoperation " technology in transformer station's grid switching operation is the important technical that ensures power grid security.
Anti-" misoperation " system is " five is anti-" system again, promptly " prevents mistake minute, closes disconnecting link ", " preventing that on-load from drawing, closing disconnecting link ", " preventing charged hanging earthing conductor (or the earthed switch that closes) ", " preventing to be with earth connection (or not drawing back earthed switch) to close isolating switch " and " preventing mistakenly entering charged chamber ".
Early stage " five is anti-" device can be divided into electromagnetic locking device and Mechanically programm's locking device two big classes on the whole.
The Chinese patent that with the notification number is CN2746501Y, CN2916885Y, CN2240775 Y is representative, discloses structure, principle or the course of work of above-mentioned two class locking devices.
Because electromagnetic locking device exists mechanical bite, the shortcoming of auxiliary contact loose contact and DC earthing; Mechanically programm's locking device can not be realized complicated wiring " five is anti-" function, and it adopts fixed lockset, installs, safeguards inconvenience, and lockset, key do not have versatility, so this device is maintainable poor, and useful life is short.
Now, " five is anti-" device of transformer station prevents that to microcomputer type the direction of electric misoperation device (abbreviation computer anti-misoperation and lockout) from developing from the machinery and the electric-magnetic lock of routine, and obtained good effect, especially in other generation, fall bus, main transformer and stop sending in some complicated system operations such as electricity, computer anti-misoperation and lockout demonstrates the incomparable advantage of other kind locking device.Microcomputer " five anti-" device has overcome the shortcoming of mechanical locking device and electromagnetism program locking device, with its advanced technology, advantage such as multiple functional, reliable, easy to maintenance, becomes the main flow device of electric power system " five prevent ".
The Chinese patent that with the notification number is CN2849929Y, CN2859774Y and CN200950400Y is representative, discloses structure, principle or the course of work of above-mentioned microcomputer " five is anti-" class device.
Common shutting device to prevent mistakes in microcomputer mainly is made up of function element such as main frame, imitation screen, computer key, mechanical coding lock and electricity coding locks usually now.The micro_computer five_proof imitation screen that it is made up of an industrial computer mostly uses Mechanical ring latch and electricity coding lock, and the operation of circuit breaker makes electricity consumption coding lock more, and isolating switch (comprising the ground connection disconnecting link) and the net door Mechanical ring latches that use more.
Shutting device to prevent mistakes in microcomputer is a nucleus equipment with the microcomputer simulation screen, in the industrial computer on the microcomputer simulation screen, stored the operation sequence of all devices under various operational modes in the station in advance, microcomputer simulation screen is gone up all analog elements all to be had one to one and links to each other with industrial computer, and the mode by direct-on-line or mediate memory is consistent the state of all analog elements and circuit breaker, isolating switch or the earthed switch at scene on the imitation screen.
When the operations staff need operate, at first preview operation on the microcomputer simulation screen, industrial computer is just judged each operation according to the operation rules of storage in advance, if operation is correct, just sends correct sound or light signal prompting, can proceed; If operating mistake, system are then reported to the police automatically, or device numbering and operating mistake sign by display prompts faulty operation item, and send lasting warning, can proceed simulation after will error items recovering, till all operations is all correct.
Behind the preview EO, industrial computer is input to computer key by communication interface with correct operation sequence, and the operations staff just can hold computer key to execute-in-place, computer key is inserted in the coding lock of relevant device.Whether the operation of computer key self-checking device is correct, if correctly just send correct auditory tone cues, and open simultaneously its blocking mechanism, the operations staff just can carry out the operation of relevant device.
In case EO, computer key will show the next item down content of operation automatically.If go to the wrong way at interval, the numbering that computer key can detect the lock of encoding is not inconsistent with the numbering that requires operation, then can not unblank and warning simultaneously, prevents that operations staff's misoperation from reaching the purpose of forced blocking.
But in present stage, each transformer station or power plant all only have been equipped with a cover " five is anti-" system mostly, exist hidden danger, with synthetic operation screen (i.e. the micro_computer five_proof imitation screen of forming by industrial computer) transformer station of " five is anti-" main frame particularly to those, when the synthetic operation screen needs maintenance or breaks down, five anti-defunctionalizations of system, romote controlled locking and lockset all can't normal releases, cause operation normally to carry out; It also is ubiquitous also having a kind of phenomenon: the user is when using the emergency release key, owing to take the emergency release key and just directly can operate to equipment, a key can be driven many locks, this moment concerning operating personnel without any restriction, can operate any apparatus, exist potential safety hazard, the accident that the emergency release key causes misoperation once took place to employ; In addition, when the synthetic operation screen needs maintenance or breaks down, do not have and can shield the instrument that overhauls fast, diagnoses synthetic operation, the existence of these problems, all safety, the stable operation of electric power system in serious threat.
Summary of the invention
Technical problem to be solved by this invention provides a kind of transformation and distribution system " five is anti-" intelligent release and non-intermittence maintenance system; it makes reliable more, the more perfect function of " five is anti-" system protection; can realize uninterrupted " five is anti-" function; can realize intelligent release again, also have the function of synthetic operation screen on-bne repair.
Technical scheme of the present invention is: a kind of transformation and distribution system " five is anti-" intelligent release and non-intermittence maintenance system are provided, comprise first " five the is anti-" terminating machine that is positioned at concentrator station, synthetic operation screen, romote controlled locking controller and the local monitoring equipment that is positioned at regulated station, its first " five is anti-" terminating machine, synthetic operation screen are connected with the romote controlled locking controller is corresponding successively, it is characterized in that: at regulated station second " five is anti-" standby host that one cover can carry out communication and exchanges data with first " five is anti-" terminating machine, synthetic operation screen and romote controlled locking controller is set; Between first " five the is anti-" terminating machine and synthetic operation screen of concentrator station at regulated station, more than one mouthful of TU Trunk Unit is set, between synthetic operation screen and romote controlled locking controller, a passage switch unit is set; Its second " five is anti-" standby host carries out communication and exchanges data by many mouthfuls of TU Trunk Units and first " five is anti-" terminating machine and/or synthetic operation screen, and also process passage switch unit and romote controlled locking controller and/or local monitoring equipment carry out communication and exchanges data; Its second " five is anti-" standby host and Intelligent key release and supervisor and transmission adaptation corresponding connection of difference; The maintenance frock unit that one cover can carry out communication and exchanges data with the synthetic operation screen is set.
Described first " five is anti-" terminating machine can log on second " five is anti-" standby host by many mouthfuls of TU Trunk Units, finishes simulation preview and release romote controlled locking relay function; Described second " five is anti-" standby host can log on the synthetic operation screen by many mouthfuls of TU Trunk Units, and the realization synthetic operation is got rid of all " five the is anti-" functions outside the direct control equipment.
Described passage switch unit is connected the data channel between synthetic operation screen and romote controlled locking controller and the local monitoring equipment when the normal operation of synthetic operation screen; When the maintenance of synthetic operation screen, described passage switch unit is connected the data channel between second " five the is anti-" standby host and romote controlled locking controller and the local monitoring equipment.
Concrete, it is workbench that described second " five is anti-" standby host adopts PC, by being installed in/similar working software identical wherein with industrial computer in the synthetic operation screen, make it to possess the repertoire of synthetic operation screen error proof locking system of microcomputer, support the operation of romote controlled locking controller and telnet, and possess intelligent release management function; When the normal operation of synthetic operation screen, second " five is anti-" standby host operates in release supervisor pattern, by linking to each other with Intelligent key release and supervisor, realizes intelligent release management function; When the maintenance of synthetic operation screen, second " five is anti-" standby host is operated in " five is anti-" standby host state, and the realization synthetic operation is got rid of all " five the is anti-" functions outside the direct control equipment.
Described many mouthfuls of TU Trunk Units are hub or switch.
Described passage switch unit comprises into three ethernet communication interfaces of scene 2 at least, is being provided with signal relay into and out of between the communication interface; The passage switch unit becomes two ethernet communication passages to an ethernet communication passage by signal relay, and " inhale and " by signal relay reach " releases ", selects the different ethernet communication passage of ground correspondence connection.
Perhaps, described passage switch unit comprises into three RS232 communication interfaces of scene 2 at least, described into and out of being provided with first level shifting circuit, multi-channel electronic switch and second level shifting circuit between the RS232 communication interface; The RS232 level of its input port converts Transistor-Transistor Logic level to by first level shifting circuit earlier, become two passages by multi-channel electronic switch again, through second level shifting circuit Transistor-Transistor Logic level of two passages is converted to the RS232 level of output port then respectively; The passage switch unit becomes two 232 communication channels to a RS232 communication channel by the multichannel electronic switch, by the switching of electronic switch, selects the different RS232 communication channel of the corresponding connection in a ground.
Concrete, described Intelligent key release and supervisor comprise metal box, the intelligent emergent unlock key that is positioned at metal box, control unit and the transmission adaptation of a lockable and release at least; Its control unit comprises identification unit, key position detection and alarm unit, data storage cell, I/O and upper machine communication unit, the driver element of unblanking, power subsystem and CPU at least, and each unit is by central processing unit controls; Carry out communication and/or exchanges data between Intelligent key release and supervisor and second " five the is anti-" standby host, content of operation is transferred in the control circuit of intelligent emergent unlock key by transmitting adaptation, second " five is anti-" standby host is read and/or be uploaded to the operating result of intelligent emergent unlock key; The user is lent or gives back the date and time of key and note and/or be uploaded to second " five is anti-" standby host; Transmit and adopt wired or wireless formula signal transmission form to carry out communication and/or exchanges data between adaptation and the intelligent emergent unlock key.
Intelligent emergent unlock key herein comprises electrolysis lock key, leapfrog key and/or mechanical release key.
Concrete, described maintenance frock unit pack is drawn together one PC, USB/ serial ports change-over circuit, single chip circuit, serial ports/RS485 change-over circuit and the watchdog circuit that detects software is installed; PC is connected with the synthetic operation screen through USB/ serial ports change-over circuit, single chip circuit, serial ports/RS485 change-over circuit; Single chip circuit is by USB/ serial ports change-over circuit, and the data that will receive from PC are carried out the stipulations processing, through exporting the synthetic operation screen to after serial ports/RS485 change-over circuit conversion; Detect software by importing synthetic operation screen engineering configuration file, can shield each slave with synthetic operation and carry out communication and shake hands, checking whether channel communications is normal, and by selecting different detection modes that lamp holder is detected.
Perhaps, described maintenance frock unit pack is drawn together one PC, USB/ serial ports change-over circuit, first passage selection circuit, first, second single chip circuit, second channel selection circuit, serial ports/RS485 change-over circuit and the watchdog circuit that detects software is installed; PC through USB/ serial ports change-over circuit, first passage select circuit, first or second singlechip circuit, second channel select circuit, serial ports/RS485 change-over circuit to shield to be connected with synthetic operation; First or the second singlechip circuit select circuit by USB/ serial ports change-over circuit and first passage, the data that will receive from PC are carried out the stipulations processing, select to export the synthetic operation screen to after circuit and the serial ports/RS485 change-over circuit conversion through second channel again; Detect software by importing synthetic operation screen engineering configuration file, can shield each slave with synthetic operation and carry out communication and shake hands, checking whether channel communications is normal, and by selecting different detection modes that lamp holder is detected.
Compared with the prior art, advantage of the present invention is:
1. be provided with the passage switch unit,, passage switched to being connected of five anti-standby hosts and romote controlled locking device and monitoring host computer, realized in the maintenance of synthetic operation screen or when breaking down, system five prevents continual functions when synthetic operation screen maintenance or when breaking down;
2. adopted intelligent emergent unlock key and administrative unit, can only carry out release,, avoided the situation of abuse unlock key even emergent release has also guaranteed its uniqueness to the equipment of authorizing;
3. be provided with intelligence maintenance frock unit, realize on-bne repair the synthetic operation screen.
Description of drawings
Fig. 1 is that system of the present invention constitutes block diagram;
Fig. 2 is the block diagram of intelligent emergent unlock key and administrative unit;
Fig. 3 is the block diagram of maintenance frock unit;
Fig. 4 is the block diagram of passage switch unit;
Fig. 5 is the formation block diagram of embodiment.
A is a concentrator station among the figure, B is a regulated station, 1 is first " five is anti-" terminating machine, 2 are the synthetic operation screen, and 3 is the romote controlled locking controller, and 4 is the romote controlled locking relay, 5 is local monitoring equipment, 6 is second " five is anti-" standby host, and 7 is many mouthfuls of TU Trunk Units, and 8 is the passage switch unit, 9 is Intelligent key release and supervisor, 10 for transmitting adaptation, and 11 is the intelligent emergent unlock key, and 12 are maintenance frock unit, 31 for being equipped with the PC that detects software, 32 is USB/ serial ports change-over circuit, and 33 are first passage selection circuit, and 34 is first single chip circuit, 35 watchdog circuits, 36 is the second singlechip circuit, and 37 are second channel selection circuit, and 38 is serial ports/RS485 change-over circuit.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
Among Fig. 1, concentrator station A is provided with first " five is anti-" terminating machine 1, regulated station B is provided with synthetic operation screen 2, romote controlled locking controller 3, romote controlled locking relay 4 and local monitoring equipment 5, its first " five is anti-" terminating machine, the synthetic operation screen, the romote controlled locking controller is connected with the romote controlled locking relay is corresponding successively, regulated station be provided with a cover can be with first " five is anti-" terminating machine, synthetic operation screen and romote controlled locking controller carry out second " five is anti-" standby host 6 of communication and exchanges data, between first " five the is anti-" terminating machine and synthetic operation screen of concentrator station at regulated station, more than one mouthful of TU Trunk Unit 7 is set, between synthetic operation screen and romote controlled locking controller, one passage switch unit 8 is set, its second " five is anti-" standby host carries out communication and exchanges data by many mouthfuls of TU Trunk Units and first " five is anti-" terminating machine and/or synthetic operation screen, and also process passage switch unit and romote controlled locking controller and/or local monitoring equipment carry out communication and exchanges data.
Second " five anti-" standby host is also with Intelligent key release and supervisor 9 with transmit adaptation 10 and distinguish corresponding connections.
Also be provided with the maintenance frock unit 12 that a cover can carry out communication and exchanges data with the synthetic operation screen at regulated station.
Its first " five is anti-" terminating machine is by many mouthfuls of TU Trunk Units, can log on second " five is anti-" standby host, finish simulation preview and release romote controlled locking relay function, second " five is anti-" standby host also can log on the industrial computer of synthetic operation screen by many mouthfuls of TU Trunk Units, and the realization synthetic operation is got rid of all " five the is anti-" functions outside the direct control equipment.
Its passage switch unit is connected the data channel between synthetic operation screen and romote controlled locking controller and the local monitoring equipment when the normal operation of synthetic operation screen; When the maintenance of synthetic operation screen, the passage switch unit is connected the data channel between second " five the is anti-" standby host and romote controlled locking controller and the local monitoring equipment.
Concrete, it is workbench that second " five is anti-" standby host adopts PC, by being installed in/similar working software identical wherein with industrial computer in the synthetic operation screen, make it to possess the repertoire of synthetic operation screen error proof locking system of microcomputer, support the operation of romote controlled locking controller and telnet, and possess intelligent release management function; When the normal operation of synthetic operation screen, this machine operates in release supervisor pattern, by linking to each other with the intelligent key management machine, realizes intelligent release management function; When the maintenance of synthetic operation screen, this machine is operated in " five is anti-" standby host state, and the realization synthetic operation is got rid of all " five the is anti-" functions outside the direct control equipment.
Its many mouthfuls of TU Trunk Units are hub or switch.
Its Intelligent key release and supervisor comprise metal box 9, the intelligent emergent unlock key 11 that is positioned at metal box, control unit and the transmission adaptation 10 of a lockable and release at least.
Intelligent emergent unlock key herein comprises electrolysis lock key, leapfrog key and/or mechanical release key.
The technical program is owing to be provided with the passage switch unit, when the synthetic operation screen overhauls or breaks down, passage is switched to second " five is anti-" standby host to be connected with romote controlled locking device and monitoring host computer, realized when the synthetic operation screen overhauls or breaks down, the continual function of system " five is anti-", when having solved maintenance of synthetic operation screen or fault, the problem that system " five is anti-" defunctionalization, operation can't be carried out.
It is provided with intelligent emergent unlock key and administrative unit again, when the needs emergency release, the user needs to authorize, leave " release ticket " (can only one step) by " intelligent release " software, pass to intelligent unlock key, to the designated equipment release, thereby solved the potential safety hazard of user when using the emergency release key.
In addition, also be provided with intelligence maintenance frock unit, when the synthetic operation screen needs maintenance, the user links to each other with the synthetic operation screen by the notebook computer that maintenance software is housed, the synthetic operation screen is overhauled, can overhaul screen such as the synthetic operation that comprises lamp switch, transmission adaptor, Chinese display and go up device, can overhaul romote controlled locking controller and blocking relay, can also read synthetic operation screen logical formula and recollect data etc., can analyze for the maintainer, realize on-bne repair the synthetic operation screen.
Among Fig. 2, the control unit of Intelligent key release and supervisor comprises identification unit, key position detection and alarm unit, data storage cell, I/O and upper machine communication unit, the driver element of unblanking, power subsystem and CPU at least, and each unit is by central processing unit controls; Carry out communication and/or exchanges data between Intelligent key release and supervisor and second " five the is anti-" standby host, content of operation is transferred in the control circuit of electrolysis lock key or leapfrog key by transmitting adaptation, second " five is anti-" standby host is read and/or be uploaded to the operating result of electrolysis lock key or leapfrog key; The user is lent or gives back the date and time of key and note and/or be uploaded to second " five is anti-" standby host; Transmit and adopt wired or wireless formula signal transmission form to carry out communication and/or exchanges data between adaptation and electrolysis lock key or the leapfrog key.
By second " five is anti-" standby host, can simulate and make out an invoice, functions such as subpoena, the ticket of leaving this moment once can only be opened a unlocking operation for " release ticket "; And Intelligent key release and supervisor possess the user authority management function by different identification cards, and classification authority function of use is provided;
Intelligent key release and supervisor can be managed electrolysis lock key, leapfrog key, mechanical release key.Lend or give back the date and time of key by infrared detection technology accurate recording user, record in detail and has accurately simplified the loaded down with trivial details of these equipment of labor management greatly,
The intelligent emergent unlock key can be uploaded the record of key management machine automatically, also can manually upload record; Data possess the power-failure memory function, can inquire about and retrieve upload information; Can cooperate the unlock key of key management to carry out the switch door, also the user name on the software, name of station can be downloaded on the key management machine.
The key management machine adopts the control and management core of microcontroller as whole device, it can manage electrolysis lock key, mechanical release key and leapfrog key etc., have only through after the corresponding manner authorization, the unlock key of taking out the inside uses to execute-in-place thereby the door of chest just allows to be opened; This operating process has detailed electronical record to be documented in device inside, can browse note at any time on the spot by the liquid crystal display screen and the button of device; Recorded content comprises end user's title, uses and takes out and the time date of repayment, has specifically used the sort of unlock key etc., and record can also be transferred to be printed on the computer and preserve.
The key management machine is to realize by the difference of its mechanical form and the method principle of infrared detection to the identification of all kinds unlock key.Dissimilar unlock keys is because its mechanical separately profile difference, thereby can only leave on the diverse location separately of release case, and infrared ray can detect taking out and giving back of various keys.
Among Fig. 3, maintenance frock unit comprises that at least one is equipped with PC, USB/ serial ports change-over circuit, single chip circuit, serial ports/RS485 change-over circuit and the watchdog circuit that detects software; PC is connected with the synthetic operation screen through USB/ serial ports change-over circuit, single chip circuit, serial ports/RS485 change-over circuit; Single chip circuit is by USB/ serial ports change-over circuit, and the data that will receive from PC are carried out the stipulations processing, through exporting the synthetic operation screen to after serial ports/RS485 change-over circuit conversion; Detect software by importing synthetic operation screen engineering configuration file, can shield each slave with synthetic operation and carry out communication and shake hands, checking whether channel communications is normal, and by selecting different detection modes that lamp holder is detected.
During actual enforcement, because PC 31, USB/ serial ports change-over circuit 32, the first passage that detection software is installed that the difference of employed synthetic operation screen type, maintenance frock unit preferably include as shown in the figure selects circuit 33, first, second single chip circuit 34 and 36, second channel to select circuit 37, serial ports/RS485 change-over circuit 38 and watchdog circuit 35.
Herein PC (for portable consideration, suggestion adopt notebook computer) through USB/ serial ports change-over circuit, first passage select circuit, first or second singlechip circuit, second channel select circuit, serial ports/RS485 change-over circuit to shield 2 with synthetic operation and be connected; First or the second singlechip circuit select circuit by USB/ serial ports change-over circuit and first passage, the data that will receive from PC are carried out the stipulations processing, select to export the synthetic operation screen to after circuit and the serial ports/RS485 change-over circuit conversion through second channel again; Detect software by importing synthetic operation screen engineering configuration file, can shield each slave with synthetic operation and carry out communication and " shake hands ", checking whether channel communications is normal, and by selecting different detection modes that lamp holder is detected.
According to the difference of connecing synthetic operation screen type, send instruction by PC 31, select corresponding first or second singlechip circuit working by first, second channel selection circuit.
USB/ serial ports change-over circuit (can select the MCS7703 integrated circuit (IC) chip for use) is converted to serial communication with USB, and its output is connected with the serial ports 0 of single-chip microcomputer.
First or second singlechip circuit (can select the ATmega128 integrated circuit (IC) chip for use) data that receive carried out stipulations handle, through serial ports 1 output, select circuit (can select the CD4052 integrated circuit (IC) chip for use) back to transfer 485 signals to by second channel and export the I/O module of synthetic operation screen or the I/O port of industrial computer to by serial ports/RS485 change-over circuit (can select the 75LBC184 integrated circuit (IC) chip for use).
Watchdog circuit herein can be selected MAX706 integrated circuit (IC) chip and respective peripheral circuit thereof for use.
The detection software that is installed in the PC inspection shields the engineering configuration file by importing synthetic operation, the user can carry out communication from station equipment (lamp switch plate, transmission adaptor, network Chinese display etc.) with the synthetic operation screen and " shake hands ", to check whether channel communications is normal, also can detect lamp holder by selecting different detection modes (conventional, comprehensive, self-defined detection mode), three kinds of detection modes can define as required voluntarily; Also can select directly all lamp holders to be changed to a certain state (redness, green, yellow, red sudden strain of a muscle, blue flash, Huang dodge, do not work) or allow all lamp holders between several states, change.
After detection finished, the maintainer can analyze testing result form and message, so as quicker, find the fault point of synthetic operation screen and being got rid of more accurately.
Among Fig. 4, the passage switch unit comprises into three ethernet communication interfaces of scene 2 at least, is being provided with signal relay into and out of between the communication interface; The passage switch unit becomes two ethernet communication passages to an ethernet communication passage by signal relay, and " inhale and " by signal relay reach " releases ", selects the different ethernet communication passage of ground correspondence connection.
Perhaps, the passage switch unit comprises into three RS232 communication interfaces of scene 2 at least, described into and out of being provided with first level shifting circuit, multi-channel electronic switch and second level shifting circuit between the RS232 communication interface; The RS232 level of its input port converts Transistor-Transistor Logic level to by first level shifting circuit earlier, become two passages by multi-channel electronic switch again, through second level shifting circuit Transistor-Transistor Logic level of two passages is converted to the RS232 level of output port then respectively; The passage switch unit becomes two 232 communication channels to a RS232 communication channel by the multichannel electronic switch, by the switching of electronic switch, selects the different RS232 communication channel of the corresponding connection in a ground.
First, second level shifting circuit herein can be selected the HIN202 integrated circuit (IC) chip for use.
Because there are many electronic equipments at the transformer station scene, need between different equipment, carry out exchanges data and communication (but not being communication simultaneously), for fear of the frequent plug of communication interface, just need a kind of device of handoff functionality; Illustrated passage switch unit just can address that need, and it provides 2 groups of RS232 serial communication interfaces and 1 group of ethernet communication interface, and every group has 1 input port, 2 delivery outlets.
In order to help to understand and reproduce technical scheme of the present invention, those skilled in the art can also be the Chinese patent " collection control type wired distributing error proof locking system of microcomputer " of CN200950400Y with reference to notification number, notification number is the Chinese patent " a kind of intelligent emergency unlock key " of CN2836207Y, notification number is the Chinese patent " unlock key management device " of CN 2837459Y, notification number is the related content in the Chinese patent " wired distributing error proof locking system of microcomputer " of CN 2859774Y and the Chinese patent that notification number is CN 2886656Y " a kind of infrared serial ports change-over circuit ", disclosed content in the above-mentioned document, can be regarded as the background information and/or the explanation of correlation technique content in the technical solution of the present invention, also can regard the specific embodiment and the realization approach of correlation technique content in the technical solution of the present invention as.
Embodiment:
On the basis of Fig. 1～Fig. 4, adopt system configuration shown in Figure 5, regulated station B be provided with a cover can be with first " five is anti-" terminating machine 1, synthetic operation screen 2 and romote controlled locking controller 3 carry out second " five is anti-" standby host 6 of communication and exchanges data, between first " five the is anti-" terminating machine and synthetic operation screen of concentrator station at regulated station, more than one mouthful of TU Trunk Unit 7 is set, between synthetic operation screen and romote controlled locking controller, one passage switch unit 8 is set, its second " five is anti-" standby host carries out communication and exchanges data by many mouthfuls of TU Trunk Units and first " five is anti-" terminating machine and/or synthetic operation screen, and also process passage switch unit and romote controlled locking controller and/or local monitoring equipment carry out communication and exchanges data.
Second " five anti-" standby host is also with Intelligent key release and supervisor 9 with transmit adaptation 10 and distinguish corresponding connections.
It is workbench that second " five is anti-" standby host adopts PC, possesses the repertoire of synthetic operation screen error proof locking system of microcomputer, supports the operation of romote controlled locking controller and telnet, has increased intelligent release management function.
When the normal operation of synthetic operation screen, second " five is anti-" standby host operates in release supervisor pattern, by linking to each other with intelligent key management, realizes intelligent release management function, as straightens one out and ease out his anxiety and lock ticket, return, browse, print functions such as release record, empowerment management.
When the maintenance of synthetic operation screen, second " five is anti-" standby host is operated in " five is anti-" standby host state, realizes all five anti-functions of synthetic operation screen, but does not possess the function of direct control equipment, can realize simulating functions such as preview, subpoena and passback.
First " five is anti-" terminating machine can log on second " five is anti-" standby host, can finish functions such as simulation preview, release romote controlled locking relay, and is identical with existing five-prevention operation termination function." five is anti-" operating terminal can only log on synthetic operation screen or second " five the is anti-" standby host, is determined by the work at present pattern.
To sum up, the technical program is by being switched to the monitoring function of error proof locking system of microcomputer the working method of " five is anti-" standby host by the synthetic operation screen, realize the function of all the synthetic operation screens except that direct control equipment by second " five is anti-" standby host, solved when maintenance of synthetic operation screen or fault, " five is anti-" defunctionalization of system, romote controlled locking device and lockset can't normal release problem, guaranteed that inspection operation normally carries out under the situation that possesses uninterrupted " five is anti-" function.
Be noted that enumerating of above-mentioned execution mode, only be to understand technical scheme of the present invention better, and should do not regard qualification as the technical program in order to help.
Those of ordinary skill in the art; after understanding and having grasped innovation intention of the present invention and mentality of designing; need not through creative work; fully can be on the basis of technique scheme of the present invention; derive various that be equal to or have the deformation program of identical function, and these deformation programs also should belong to the scope that the present invention asks for protection.
The present invention can be widely used in operation, maintenance and the safe operation field of transformation and distribution system.
Claims (10)
1. a transformation and distribution system " five is anti-" intelligent release and non-intermittence maintenance system, comprise first " five the is anti-" terminating machine that is positioned at concentrator station, synthetic operation screen, romote controlled locking controller and the local monitoring equipment that is positioned at regulated station, its first " five is anti-" terminating machine, synthetic operation screen are connected with the romote controlled locking controller is corresponding successively, it is characterized in that:
At regulated station second " five is anti-" standby host that one cover can carry out communication and exchanges data with first " five is anti-" terminating machine, synthetic operation screen and romote controlled locking controller is set;
Between first " five the is anti-" terminating machine and synthetic operation screen of concentrator station at regulated station, more than one mouthful of TU Trunk Unit is set, between synthetic operation screen and romote controlled locking controller, a passage switch unit is set;
Its second " five is anti-" standby host carries out communication and exchanges data by many mouthfuls of TU Trunk Units and first " five is anti-" terminating machine and/or synthetic operation screen, and also process passage switch unit and romote controlled locking controller and/or local monitoring equipment carry out communication and exchanges data;
Its second " five is anti-" standby host and Intelligent key release and supervisor and transmission adaptation corresponding connection of difference;
The maintenance frock unit that one cover can carry out communication and exchanges data with the synthetic operation screen is set.
2. according to the described transformation and distribution system of claim 1 " five is anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described first " five is anti-" terminating machine is by many mouthfuls of TU Trunk Units, can log on second " five is anti-" standby host, finish simulation preview and release romote controlled locking relay function; Described second " five is anti-" standby host can log on the synthetic operation screen by many mouthfuls of TU Trunk Units, and the realization synthetic operation is got rid of all " five the is anti-" functions outside the direct control equipment.
3. according to the described transformation and distribution system of claim 1 " five is anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described passage switch unit when the normal operation of synthetic operation screen, the data channel between connection synthetic operation screen and romote controlled locking controller and the local monitoring equipment; When the maintenance of synthetic operation screen, described passage switch unit is connected the data channel between second " five the is anti-" standby host and romote controlled locking controller and the local monitoring equipment.
4. according to the described transformation and distribution system of claim 1 " five is anti-" intelligent release and non-intermittence maintenance system, it is characterized in that it is workbench that described second " five is anti-" standby host adopts PC, by being installed in/similar working software identical wherein with industrial computer in the synthetic operation screen, make it to possess the repertoire of synthetic operation screen error proof locking system of microcomputer, support the operation of romote controlled locking controller and telnet, and possess intelligent release management function;
When the normal operation of synthetic operation screen, described second " five is anti-" standby host operates in release supervisor pattern, by linking to each other with Intelligent key release and supervisor, realizes intelligent release management function;
When the maintenance of synthetic operation screen, described second " five is anti-" standby host is operated in " five is anti-" standby host state, and the realization synthetic operation is got rid of all " five the is anti-" functions outside the direct control equipment.
5. according to claim 1 or 2 described transformation and distribution systems " five is anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described many mouthfuls of TU Trunk Units are hub or switch.
6. according to claim 1 or 3 described transformation and distribution systems " five is anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described passage switch unit comprises into three ethernet communication interfaces of scene 2 at least, is being provided with signal relay into and out of between the communication interface;
The passage switch unit becomes two ethernet communication passages to an ethernet communication passage by signal relay, and " inhale and " by signal relay reach " releases ", selects the different ethernet communication passage of ground correspondence connection.
7. according to claim 1 or 3 described transformation and distribution systems " five is anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described passage switch unit comprises into three RS232 communication interfaces of scene 2 at least, described into and out of being provided with first level shifting circuit, multi-channel electronic switch and second level shifting circuit between the RS232 communication interface;
The RS232 level of its input port converts Transistor-Transistor Logic level to by first level shifting circuit earlier, become two passages by multi-channel electronic switch again, through second level shifting circuit Transistor-Transistor Logic level of two passages is converted to the RS232 level of output port then respectively;
The passage switch unit becomes two 232 communication channels to a RS232 communication channel by the multichannel electronic switch, by the switching of electronic switch, selects the different RS232 communication channel of the corresponding connection in a ground.
8. according to the described transformation and distribution system of claim 1 " five anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described Intelligent key release and supervisor comprise metal box, the electrolysis lock key that is positioned at metal box, leapfrog key and/or mechanical release key, control unit and the transmission adaptation of a lockable and release at least;
Its control unit comprises identification unit, key position detection and alarm unit, data storage cell, I/O and upper machine communication unit, the driver element of unblanking, power subsystem and CPU at least, and each unit is by central processing unit controls;
Carry out communication and/or exchanges data between Intelligent key release and supervisor and second " five the is anti-" standby host, content of operation is transferred in the control circuit of electrolysis lock key or leapfrog key by transmitting adaptation, second " five is anti-" standby host is read and/or be uploaded to the operating result of electrolysis lock key or leapfrog key; The user is lent or gives back the date and time of key and note and/or be uploaded to second " five is anti-" standby host;
Transmit and adopt wired or wireless formula signal transmission form to carry out communication and/or exchanges data between adaptation and electrolysis lock key or the leapfrog key.
9. according to the described transformation and distribution system of claim 1 " five anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described maintenance frock unit pack draws together one PC, USB/ serial ports change-over circuit, single chip circuit, serial ports/RS485 change-over circuit and the watchdog circuit that detects software is installed;
PC is connected with the synthetic operation screen through USB/ serial ports change-over circuit, single chip circuit, serial ports/RS485 change-over circuit;
Single chip circuit is by USB/ serial ports change-over circuit, and the data that will receive from PC are carried out the stipulations processing, through exporting the synthetic operation screen to after serial ports/RS485 change-over circuit conversion;
Detect software by importing synthetic operation screen engineering configuration file, can shield each slave with synthetic operation and carry out communication and shake hands, checking whether channel communications is normal, and by selecting different detection modes that lamp holder is detected.
10. according to the described transformation and distribution system of claim 1 " five anti-" intelligent release and non-intermittence maintenance system, it is characterized in that described maintenance frock unit pack draws together one and the PC, USB/ serial ports change-over circuit, the first passage that detect software are installed select circuit, first, second single chip circuit, second channel to select circuit, serial ports/RS485 change-over circuit and watchdog circuit;
PC through USB/ serial ports change-over circuit, first passage select circuit, first or second singlechip circuit, second channel select circuit, serial ports/RS485 change-over circuit to shield to be connected with synthetic operation;
First or the second singlechip circuit select circuit by USB/ serial ports change-over circuit and first passage, the data that will receive from PC are carried out the stipulations processing, select to export the synthetic operation screen to after circuit and the serial ports/RS485 change-over circuit conversion through second channel again;
Detect software by importing synthetic operation screen engineering configuration file, can shield each slave with synthetic operation and carry out communication and shake hands, checking whether channel communications is normal, and by selecting different detection modes that lamp holder is detected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007100943369A CN101206963B (en) | 2007-11-30 | 2007-11-30 | '5-prevention' intelligent unlocking and non-intermittence maintenance system of distribution system |
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| CN2007100943369A CN101206963B (en) | 2007-11-30 | 2007-11-30 | '5-prevention' intelligent unlocking and non-intermittence maintenance system of distribution system |
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| CN101206963B true CN101206963B (en) | 2010-09-15 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103475089B (en) * | 2013-08-20 | 2015-12-23 | 南京胜太迪玛斯电力系统有限公司 | A kind of monitoring anti-error locking system |
| CN103595728B (en) * | 2013-11-25 | 2016-08-24 | 浙江大学城市学院 | The system and method that a kind of Logistics networks equipment is safe and reliable |
| CN104466761B (en) * | 2014-10-21 | 2017-01-25 | 深圳供电局有限公司 | Transformer substation temporary wiring anti-misoperation locking system, detection method and computer key |
| CN104463714A (en) * | 2014-12-25 | 2015-03-25 | 国家电网公司 | Simulated overhauling device and method |
| CN106155023B (en) * | 2016-08-04 | 2018-10-30 | 南京国电南自维美德自动化有限公司 | A kind of anti-misoperation system and its method of universal scattered control system |
| CN108830388B (en) * | 2018-06-05 | 2022-03-08 | 国网福建省电力有限公司 | Anti-error risk management and control device in operation and inspection integrated mode and use method |
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