CN102521905B - Intelligent access control system of transformer substation and control method thereof - Google Patents

Intelligent access control system of transformer substation and control method thereof Download PDF

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Publication number
CN102521905B
CN102521905B CN201110421397.8A CN201110421397A CN102521905B CN 102521905 B CN102521905 B CN 102521905B CN 201110421397 A CN201110421397 A CN 201110421397A CN 102521905 B CN102521905 B CN 102521905B
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China
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door
access control
gate inhibition
frame hopping
server
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CN201110421397.8A
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Chinese (zh)
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CN102521905A (en
Inventor
刘建戈
邵青松
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江苏省电力公司金湖县供电公司
南京国网电瑞系统工程有限公司
江苏省电力公司
国家电网公司
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Priority to CN201110421397.8A priority Critical patent/CN102521905B/en
Publication of CN102521905A publication Critical patent/CN102521905A/en
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Publication of CN102521905B publication Critical patent/CN102521905B/en

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Abstract

The invention discloses an intelligent access control system of a transformer substation and a control method thereof; the intelligent access control system comprises an access control server, a communication unit and an access control unit, wherein the access control unit comprises an access control controller, an access control terminal, a card reader, a keyboard, an electric control lock and a door contact; the access control server is connected with the access control controller through the communication unit; the access control controller is connected with the access control terminal through an RS485 connecting line; and the card reader, the keyboard, the electric control lock and the door contact are connected to the access control terminal. The intelligent access control system of the invention has four door opening and door locking modes of electronic key, network frame hopping, cellphone frame hopping and remote control, and records each unlocking mode and door opening and closing time information to realize one-card and one-station type door opening of the transformer substation. The invention provides the intelligent access control system of transformer substation and the control method thereof under a mode of centralized control center and non-attendance for avoiding the operation and maintenance personnel of the transformer substation from running back and forth between the transformer substation and the centralized control center resulting from keys, thereby greatly improving the flexibility, security and economical efficiency of access control management of the transformer substation.

Description

Intelligent door access control system for transformer substations and control method thereof

Technical field

The present invention relates to Intelligent door access control system for transformer substations and control mode thereof, relate in particular to centralized control center and add Intelligent door access control system for transformer substations and the control method thereof under unattended substation pattern.

Background technology

Along with the development of power automation technology, the transformer station in electric system has realized unattended substantially, and the operation maintenance of transformer station has adopted centralized control center to add unwatched pattern.Yi Ge centralized control center is responsible for the work such as the external personnel's construction of daily tour, operation and license of a plurality of transformer stations in a region, enters transformer station and must arrive the serial key that corresponding transformer station is got by centralized control center.Transformer station distributes and often relatively disperses, and the door lock of its gate, pulpit and switch chamber processed etc. adopts mechanical lock, the numerous uses of key and difficult management conventionally.The problem of opening the door of unattended substation has become an importance making efficiency under impact, and when having emergency operation or accident treatment, operations staff need to travel to and fro between between centralized control center and transformer station and get and go back key; When external staff need to enter transformer station, must travel to and fro between between centralized control center and transformer station and get and go back key equally.State Grid Corporation of China carries out after electrical network " general overhaul " pattern, and Yi Ge is responsible for centralized control center the O&M work of region incity 220kV transformer station, and region span can reach hundred kilometers, because the problem of key takies the more time.

At present real-time working condition and the action situation of any equipment of Automation of Electric Systems Neng Dui transformer station record and upload, but for transformer station and gate, pulpit is opened and personnel's turnover situation does not record and uploads.For the staff's of transformer station tour cycle management and external personnel, enter management and can only, by inquiry mode, be unfavorable for strengthening the safe operation management of power transformation.Therefore, utilize existing Internet resources in current transformer station, design a set of Intelligent entrance guard management system very necessary.

Summary of the invention

The object of the invention is to: a kind of Intelligent door access control system for transformer substations and control method are provided, and centralized management, saves time.

Technical solution of the present invention is: intelligent access control system comprises gate inhibition's server, communication unit, gate inhibition unit, frame hopping mobile phone, wherein gate inhibition unit comprises access controller, door control terminal, card reader and keyboard, electric control lock, door magnetic, gate inhibition's server is connected with access controller by communication unit, access controller is connected with door control terminal by RS485 connecting line, and card reader and keyboard, electric control lock, door magnetic are connected to door control terminal; Do not write to each other in frame hopping mobile phone and gate inhibition's server, gate inhibition unit, its installs the frame hopping generating routine corresponding with transformer station access controller algorithm.

Described Intelligent door access control system for transformer substations, communication unit comprises LAN (Local Area Network) (electrical management information great Qu MIS net), the cable interface of server, in the equal access to LAN of cable interface of gate inhibition's server and access controller, gate inhibition's server is connected with access controller by communication unit.

Described Intelligent door access control system for transformer substations, access controller is connected with door control terminal by RS485 connecting line, and 1 access controller can connect 8 door control terminals.

Described Intelligent door access control system for transformer substations, door control terminal connects card reader, keyboard, electric control lock, door magnetic.

Described Intelligent door access control system for transformer substations, has electron key, network frame hopping, mobile phone frame hopping and long-range four kinds of modes of locking a door of opening the door, and records mode and the information of switch gate time of at every turn unblanking; Electron key door-opening mode is that the mode that adopts RFID contactless card to add individual recognition code is opened the door, when power transformation O&M personnel need to enter transformer station, whether handhold RFID contactless card is identified and is authorized by access controller by card reader, input again individual recognition code, after both are entirely true, by access controller, send instruction and open electric control lock by door control terminal; After electric control lock is opened, power transformation O&M personnel open the door and enter in transformer station, access controller automatically deposits the time of mode, time and the switch gate of input password in controller and is uploaded in gate inhibition's server, and electron key opens the door and do not rely on communication network and gate inhibition's server; The electron key mode that adopts RFID contactless card to add individual recognition code of opening the door is opened the door, even if other people find the RFID contactless card of loss owing to also cannot unblanking without corresponding person identification password; Intelligent door access control system for transformer substations, can be by the corresponding all local transformer stations of RFID contactless card of gate inhibition's Servers installed, realize transformer station's all-purpose card that opens the door; Network frame hopping door-opening mode is that gate inhibition's server generation frame hopping is issued in access controller and is opened the door by network, when the O&M personnel of transformer station do not carry RFID contactless card or other personnel of entering the station need to enter transformer station time, by gate inhibition's server is random, produces a frame hopping and be issued in the access controller of corresponding transformer station, the term of validity of password is 5-10 minute; The operator on duty of centralized control center informs by phone or short message mode the personnel of entering the station, and the personnel of entering the station input frame hopping by keyboard, and under access controller and server, frame hopping is compared and computing time; Frame hopping is correct and in time range, by access controller, sends instruction and opens electric control lock by door control terminal; After electric control lock is opened, the personnel of entering the station open the door and enter in transformer station, access controller automatically deposits the time of mode, time and the switch gate of input password in controller and is uploaded in gate inhibition's server, and gate inhibition's server produces soft frame hopping and depends on communication network and gate inhibition's server; The soft frame hopping of the each generation of gate inhibition's server is all random, and restriction if having time, has avoided password leakage arbitrarily to enter the generation of transformer station's situation; The O&M personnel of Shi Dang transformer station that open the door do not carry RFID contactless card or other personnel of entering the station and without operator on duty, are produced the frame hopping of a corresponding transformer station access controller by the chief operator of centralized control center on public mobile phone on duty in centralized control center need to enter transformer station time mobile phone frame hopping mode; At mobile phone frame hopping generator program, select corresponding transformer station to generate a frame hopping, by phone or short message mode, inform the personnel of entering the station, the personnel of entering the station input frame hopping by keyboard, and access controller carries out computing deciphering and confirms; Frame hopping is correct and in time range, by access controller, send instruction and open electric control lock by door control terminal; After electric control lock is opened, staff opens the door and enters in transformer station, and access controller automatically deposits the time of mode, time and the switch gate of input password in controller and is uploaded in gate inhibition's server; Mobile phone frame hopping does not rely on communication network and gate inhibition's server; In mobile phone frame hopping generator program, there is one group of frame hopping generating algorithm, the cryptographic algorithm calling rule table of a corresponding transformer station; In the decrypted program of transformer station's access controller, there are a decipherment algorithm calling rule and the one group cryptographic decryption algorithm corresponding with controller; The cryptographic algorithm of each each period of transformer station is not identical, when same, paragraph controller is consistent with server password algorithm, and both using date and time as variable, even if the password producing in the situation that algorithm repeats can not repeat yet, the frame hopping that mobile phone produces only has in the period effective; Long-range door-opening mode is that operator on duty directly opens the door lock of transformer station at gate inhibition's server of centralized control center by network, when in emergency circumstances the personnel of entering the station need to enter transformer station immediately, the phone contact personnel of centralized control center, the personnel of centralized control center operating remote on gate inhibition's server is directly opened transformer station's door lock; After electric control lock is opened, the personnel of entering the station open the door and enter in transformer station, and access controller automatically deposits the time of mode, time and the switch gate of input password in controller and is uploaded in gate inhibition's server.

Technical solution of the present invention tool has the following advantages:

1, Intelligent door access control system for transformer substations utilizes existing Electricity Information Network, between centralized control center and transformer station, build access control system, the access controller of each Substation Station can independently be controlled, can be subject to gate inhibition's server admin again, intelligent substation gate inhibition has electron key, network frame hopping, mobile phone frame hopping and long-range four kinds of modes of unblanking, avoided that mechanism lock key is many, the shortcoming of transreplication, intelligent substation gate inhibition has rights management flexibly, a rfid card is to the gate inhibition with regard to all transformer stations, realize transformer station open the door " all-purpose card, the corresponding several personnel of rfid card, by configuration substation gate, once swipe the card and input " station is logical " that password is opened all gate inhibitions of our station, rapidly and efficiently open the door, because having corresponding individual recognition code, a rfid card just can open the door, use loss rfid card also cannot open transformer station's door, there is very high security, in the situation that there is no rfid card, the frame hopping that the network frame hopping that the personnel of Ke You centralized control center produce by gate inhibition's server or public mobile phone on duty produce opens the door, frame hopping has certain effective time and at every turn different, intelligent entrance guard is used more convenient.The remote unlocking of gate inhibition's server provides an express passway that enters transformer station.

2, by gate inhibition's server, the staff's of turnover transformer station authority, turnover time and mode of entrance are carried out to intelligent management, safe ready, the turnover personnel of server real-time monitoring transformer station and corresponding event, and store corresponding data simultaneously, in order to inquiry, every turnover personnel have independently information, can be set up or be cancelled its right to use by software systems, increase or reduce the right to use, for taking precautions against, from the intrusion of normal channel, provide assurance.System can also realize the clearly restriction to personnel's authority, no matter is internal staff or external staff, can pass through the setting to authority, clearly defines the scope that can free in and out, and record is in order to inquiry.

3, intelligent substation gate inhibition's use, power transformation O&M personnel have been avoided because reason the hurrying back and forth back and forth in transformer station and centralized control center of key, having reduced other staff of entering the station goes back key and frequently comes and goes because getting, reduced transport cost, improved work efficiency, accelerate the response to substation accident, greatly improved dirigibility, security and the economy of transformer station's entrance guard management.

Accompanying drawing explanation

Fig. 1 is the structure principle chart of Intelligent door access control system for transformer substations.

Fig. 2 is Intelligent door access control system for transformer substations access controller structural drawing.

Fig. 3 is Intelligent door access control system for transformer substations door control terminal structural drawing.

Fig. 4 is Intelligent door access control system for transformer substations control flow chart.

Embodiment

Below in conjunction with accompanying drawing, the invention will be further described.

Intelligent door access control system for transformer substations of the present invention, as shown in Figure 1, comprise gate inhibition's server, communication unit, gate inhibition unit, frame hopping mobile phone, wherein gate inhibition unit comprises access controller, door control terminal, card reader and keyboard, electric control lock, door magnetic, gate inhibition's server is connected with access controller by communication unit, access controller is connected with door control terminal by RS485 connecting line, and card reader and keyboard, electric control lock, door magnetic are connected to door control terminal; Do not write to each other in frame hopping mobile phone and gate inhibition's server, gate inhibition unit, its installs the frame hopping generating routine corresponding with transformer station access controller algorithm.

The access controller of gate inhibition's server Yu Ge transformer station is connected by Ethernet, and Dui Ge transformer station access controller carries out control and management; Gate inhibition's server is issued to RFID contactless card string number in corresponding access controller with corresponding individual recognition code, forms electron key database; After RFID contactless card is lost, by server, delete the RFID contactless card string number in access controller, this RFID contactless card was lost efficacy, power transformation O&M personnel carry out the modification of individual recognition code on server; The personnel of centralized control center select corresponding transformer station to produce a frame hopping by gate inhibition's server, and frame hopping is issued to robotization in the controller of corresponding transformer station, is used for opening the door lock of corresponding transformer station; The term of validity of frame hopping can arrange, and frame hopping can act on all control door lock or certain several controlled door locks of being subject to of corresponding transformer station; Password producing method, time and the operating personnel of each transformer station of the automatic acquisition and recording of gate inhibition's server, and show in real time each transformer station's door lock state, record the gate inhibition of transformer station password input mode, time, correctness and switch gate time, form the daily record of intelligent substation access control system.

Frame hopping mobile phone, is the smart mobile phone that the gate inhibition of transformer station frame hopping program has been installed, and there is a public mobile phone on duty centralized control center conventionally, by chief operator's keeping of every value, as spare communication, uses; Intelligent door access control system for transformer substations of the present invention has respectively been developed an intelligent substation frame hopping generating routine based on mobile phone Windows Mobile and Android system platform, is applicable to install and use on more than 80% smart mobile phone; In cell phone password generator program, there is one group of password generating algorithm, the decipherment algorithm calling rule table of a corresponding transformer station; In the decrypted program of transformer station's access controller, have a decipherment algorithm calling rule and the one group cryptographic decryption algorithm corresponding with controller, mobile phone frame hopping door-opening mode does not rely on communication network and gate inhibition's server.

The gate inhibition unit of each transformer station can independently be used as an access control unit, can accept again instruction and transmission information and gate inhibition's server and form intelligent access control system; The power information MIS network switch of access controller access transformer station, is connected with each door control terminal by RS485 order wire; Effective RFID contactless card information and the individual recognition code that gate inhibition's server issues accepted and stored to access controller by Ethernet, accept the frame hopping that gate inhibition's server issues, accept the door magnetic signal of card using information that door control terminal collects, keyboard input signal, switch gate, comparison RFID contactless card information and individual recognition code, the frame hopping of accepting is carried out to secure processing device encrypts, instruction door control terminal is controlled electric control lock, and by password input mode, whether be effectively recorded into storer with the switch gate time and upload in gate inhibition's server.

Access controller, as shown in Figure 2, mainly contain microprocessor, memory circuit, clock circuit, Ethernet control circuit, 485 control circuits connect and compose, microprocessor is used for calculating password and comparison information, memory circuit is mainly used to store the configuration parameter of access controller, effective RFID contactless card information and individual recognition code, the interim frame hopping that server issues, interocclusal record etc. during switch gate, clock circuit provides work clock for microprocessor, the time of Password Input and switch gate, Ethernet control circuit is used for access controller by Ethernet and gate inhibition's service groups Network Communication, 485 control circuits are that access controller is communicated by letter with door control terminal, an access controller can be with at most 8 door control terminals.

Door control terminal is the final performance element of intelligent entrance guard, as shown in Figure 3, comprises microprocessor, keyboard scanning circuit, RFID card reading circuit, door magnetic signal input circuit, electric control lock driving circuit, 485 control circuits, signal circuit; When RFID card reading circuit, RFID contactless card approach panel, receive the radiofrequency signal that plug-in reader sends, the energy that relies on induction current to obtain sends out the product information being stored in chip, after card reading circuit reading information decoding, after microprocessor adds local information, deliver to access controller and carry out relevant data processing; Keyboard scanning circuit is accepted the encrypted message of keyboard input, delivers to access controller and carry out relevant data processing after microprocessor adds local information; The opening and closing behavior that door magnetic signal input circuit is used for recording power transformation door is delivered to access controller and is carried out relevant data processing after microprocessor adds local information; 485 control circuits are mainly realized and the communicating by letter of access controller, microprocessor by accept local terminal to information processing deliver in access controller, the access controller instruction of acceptance is made an explanation and is carried out by electric control lock driving circuit, signal circuit; Electric control lock driving circuit directly drives the opening and closing of electric control lock according to instruction, signal circuit to swiping the card successfully, the switching of password correctness, electric control lock makes voice message.

With an embodiment, Intelligent door access control system for transformer substations and control method thereof are described below.

The centralized control center of a power transformation operation is responsible for the operation maintenance work of 15Zuo transformer station, adopts " 3+2 " order of classes or grades at school mode, and 3 little hour wheels of order of classes or grades at school 24 turn the operation of responsible transformer station on duty, and 2 order of classes or grades at school Chang Baiban are responsible for the daily tour work of transformer station; 1 gate inhibition's server is installed in centralized control center, and intelligent entrance guard unit is installed respectively by 15Zuo transformer station; As door control terminals being installed at certain substation gate, door three places, control Men He pulpit, building, access controller is installed in the secondary screen in pulpit; In pulpit, there is the key locker of depositing other rooms of our station and equipment, enter the door that pulpit personnel can get key operated corresponding room and equipment as required.

The power transformation O&M personnel of centralized control center carry out the daily tour of transformer station or when operation, only need just can enter with 1 rfid card any Yi Zuo transformer station of compass of competency; While arriving transformer station, the individual recognition code of input after power transformation O&M personnel swipe the card correctly, access controller and reservoir internal information are compared, the correct rear corresponding gate inhibition that opens, recorded information is uploaded in gate inhibition's server; Gate inhibition's server shows which kind of personnel of certain transformer station are so that where mode is worth the time to open gate inhibition in real time; Yi Ge transformer station can be arranged to rfid card " station is logical ", after any one card reader Card Reader of our station and the individual recognition code of input, can in short-term, open all gate inhibitions of our station.The power transformation O&M personnel of the corresponding a plurality of order of classes or grades at school of rfid card, distinguish by individual recognition code; During power transformation O&M personnel end-of-job, closing control chamber door, control building door and substation gate, gate inhibition is automatic locking, and the information of closing the door is uploaded to gate inhibition's server; When power transformation O&M personnel receive instruction midway need to enter other transformer stations time, without returning to centralized control center, get key, by above-mentioned steps, enter corresponding transformer station.

When non-power transformation O&M personnel enter transformer station's work, must get to centralized control center key and enter transformer station's work, end-of-job Hou Dao centralized control center is key also; While adopting intelligent substation gate inhibition, the personnel of entering the station arrive the Shi Xiang of transformer station centralized control center calling application and enter the station, and the operator on duty of centralized control center selects corresponding transformer station to produce frame hopping on gate inhibition's server, and staff inputs frame hopping and enters transformer station; When centralized control center is without operator on duty, the corresponding transformer station of the frame hopping procedure Selection of the public mobile phone on duty that can be held at it by chief operator produces frame hopping, and the personnel of entering the station input frame hopping and enter transformer station; When the personnel of centralized control center operating remote on gate inhibition's server in emergency circumstances is directly opened transformer station's door lock, the relevant personnel of entering the station enter transformer station and carry out work.

As shown in Figure 4, the job step of gate inhibition unit is as follows:

A), access controller swiping the card and encrypted message of judging whether that anteport door control terminal sends here, if any entering step b); Do not swipe the card and encrypted message, return to step a);

B) if card using information enters c); If Password Input information enters;

C), access controller blocks validity checking, by reading customer data base, checks whether this card number exists and effectively, if exist and effectively, enter steps d); As card number does not exist or dead card, after voice message, return to step a);

D), voice message is inputted individual recognition code, wait Password Input;

E), controller by input individual recognition code and the data of reservoir compare, if password useless is returned to steps d); Password is correct, enters step I);

F), whether gate inhibition's server issue frame hopping, as issues, and enters step g); Otherwise, enter step h);

G), access controller frame hopping that the password of input and server are issued compares and time judgement, effectively enters step I); Invalidly after voice message, return to step a);

H), controller thinks that this input password is the frame hopping that mobile phone produces, and calls frame hopping decrypted program and is decrypted, and effectively enters step I); Invalidly after voice message, return to step a);

I), voice message Password Input is correct, the scope of opening the door according to default cipher control is opened three road gate inhibitions or first gate inhibition, the information such as record is this time swiped the card, password input mode and time, and send to server the situation information of this time opening the door, finish this flow process.If default cipher control scope is first gate inhibition, follow-up gate inhibition repeats by above-mentioned steps.

In the present invention, access controller has voice message when swiping the card at every turn and inputting password, when using rfid card to add the electron key of individual recognition code, inputs individual recognition code mistake for 5 times and will return to waiting status continuously, need to again swipe the card; While using frame hopping, continuous 5 input password mistakes need to be applied for frame hopping again.

Claims (1)

1. Intelligent door access control system for transformer substations, this gate control system comprises gate inhibition's server, communication unit, gate inhibition unit, frame hopping mobile phone, wherein gate inhibition unit comprises access controller, door control terminal, card reader and keyboard, electric control lock, door magnetic, gate inhibition's server is connected with access controller by communication unit, access controller is connected with door control terminal by RS485 connecting line, and card reader and keyboard, electric control lock, door magnetic are connected to door control terminal; Do not write to each other in frame hopping mobile phone and gate inhibition's server, gate inhibition unit, it installs frame hopping generating routine corresponding to Liao Yu transformer station access controller algorithm; It is characterized in that: the control method of Intelligent door access control system for transformer substations comprises electron key, network frame hopping, three kinds of door-opening modes of mobile phone frame hopping; Electron key door-opening mode adopts RFID contactless card to add the mode access control of individual recognition code; Network frame hopping door-opening mode is that a frame hopping with the time limit of gate inhibition's server generation is issued to access control in access controller by network; Mobile phone frame hopping door-opening mode is preset corresponding encrypting and decrypting algorithm in frame hopping mobile phone and transformer station's access controller, between frame hopping mobile phone and gate inhibition's server, access controller, without writing to each other, by mobile phone frame hopping, controls the gate inhibition of transformer station.
CN201110421397.8A 2011-12-16 2011-12-16 Intelligent access control system of transformer substation and control method thereof CN102521905B (en)

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CN106899083A (en) * 2017-04-12 2017-06-27 国家电网公司 A kind of unmanned substation work teams and groups enter the station authentication intelligent device
CN107065630A (en) * 2017-06-06 2017-08-18 鲁毅 A kind of power equipment case opened by centralized control system mandate and control method

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