CN201374588Y - Relay protective device for power system with wireless communication function - Google Patents
Relay protective device for power system with wireless communication function Download PDFInfo
- Publication number
- CN201374588Y CN201374588Y CN200920032270U CN200920032270U CN201374588Y CN 201374588 Y CN201374588 Y CN 201374588Y CN 200920032270 U CN200920032270 U CN 200920032270U CN 200920032270 U CN200920032270 U CN 200920032270U CN 201374588 Y CN201374588 Y CN 201374588Y
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- China
- Prior art keywords
- power system
- fault
- indicator light
- wireless communication
- controller
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a relay protective device for a power system with wireless communication function, which comprises a fault detecting circuit, an acousto-optic alarm unit, a controller for correspondingly controlling the acousto-optic alarm unit and a breaker connected in series in the power supply circuit of the power system according to the signals detected by the fault detecting circuit, a display unit connected with the controller and a GSM wireless network communication module which can perform bidirectional short-message communication with a specific wireless signal transceiving device and is connected with the controller. The relay protective device has the advantages of simple and reasonable design, convenient use and operation, reliable actions, economy, practicality and the function of wireless communication, and can effectively solve the in-time monitoring problem of the fault state of power system.
Description
Technical field
The utility model relates to a kind of electric power system protective relaying device, especially relates to a kind of electric power system protective relaying device with wireless communication function.
Background technology
When fault has taken place and has jeopardized safe operation of power system in the force device in the electric power system (as generator, circuit etc.) or electric power system itself; need a kind of can in time sending warning signal to the operation operator on duty; perhaps directly send trip signal to stop the automation measure and the equipment of these incident development to the circuit breaker of being controlled; and realize the complete set of equipments of this automation measure, generally be commonly referred to as protective relaying device.The application of above-mentioned protective relaying device in the electric power protection industry more and more widely and indispensable, especially for transformer station.Because transformer station is a important step in the electric power system, is undertaking the task that voltage transitions and electric weight are redistributed, the safety and the economical operation of electrical network played important effect.In recent years, along with the increase of power system capacity and the increase of electrical network complexity, the safe and reliable operation of transformer station is had higher requirement.
Extensive application along with electric substation automation system, increasing transformer station has promoted unwatched management mode, therefore how to improve unmanned substation's incident response time, handling in the unattended substation accident very first time, has been a major issue that realizes that the unattended substation safety and economic operation need solve.Traditional workflow is, carries out unified monitoring by scheduling when normal operation, only in when, abnormal conditions taking place or needing manual handling equipment just by the dispatch notification related personnel work of entering the station.This workflow intermediacy is many, and information communication is not smooth, and operation, attendant are short in understanding to the operation conditions of equipment at ordinary times.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art; a kind of electric power system protective relaying device with wireless communication function is provided; its circuit design advantages of simple, use easy and simple to handle, reliable in action and economical and practical, have radio communication function, can effectively solve the real-time monitoring problem of electric power system fault state.
For solving the problems of the technologies described above; the technical solution adopted in the utility model is: a kind of electric power system protective relaying device with wireless communication function; comprise failure detector circuit; acousto-optic warning unit; tackle acousto-optic warning unit mutually and be serially connected in the controller that the circuit breaker in the power system power supply loop is controlled according to failure detector circuit institute detection signal; and the display unit that joins with controller; it is characterized in that: comprise that also one can carry out the gsm wireless network communication module of two-way short message communication with the special wireless R-T unit, described gsm wireless network communication module and controller join.
Described gsm wireless network communication module is the chip TC35i that connects special SIM card.
Described controller is chip STC89C52.
Described failure detector circuit comprises respectively busbar fault, transformer fault, overload fault and leak current fault is detected and four failure detector circuits of corresponding output fault message; The signal output part of described four failure detector circuits connects P1.0, P1.1, P1.2 and four input pins of P1.3 of described chip STC89C52 respectively, and the INT0 of described chip STC89C52 (P3.2) and INT1 (P3.3) pin be ground connection behind manual combined floodgate S5 and manual brake separating S6 respectively;
The output pin RX (P3.0) of described chip STC89C52 and TX (P3.1) connect TXD0 and the RXD0 pin of described chip TC35i respectively behind resistance R 27 and R26;
Described display unit is the LCD LCD, and eight output pins of the P0.0-P0.7 of described chip STC89C52 connect eight input pins of DB0-DB7 of described LCD LCD respectively;
The output pin P2.7 of described chip STC89C52 is ground connection behind resistance R 20, positive-negative-positive triode Q1 and circuit breaker successively.
Described acousto-optic warning unit comprises loud speaker B1, busbar fault indicator light LED3, transformer fault indicator light LED4, overload indicator light LED5 and electric leakage indicator light LED6; The output pin P2.6 of described chip STC89C52 is ground connection behind resistance R 21, positive-negative-positive triode Q2 and loud speaker B1 successively, and four output pin P2.5, P2.4, P2.3 and the P2.2 of described chip STC89C52 connect+the 5V power supply behind resistance R 22 and busbar fault indicator light LED3, resistance R 23 and transformer fault indicator light LED4, resistance R 24 and overload indicator light LED5, resistance R 25 and overload indicator light LED6 respectively.
The normally opened contact of described circuit breaker is serially connected in the link circuit of failure detector circuit and controller.
Described special wireless R-T unit is a mobile phone.
The utility model compared with prior art has the following advantages: 1, circuit design advantages of simple, easy to connect and use easy and simple to handle, intelligent degree height.2, economical and practical, has radio communication function, the controller that the utility model will have protective relaying device now combines with short message (SMS) receive-transmit system of global system for mobile communications (GSM), the substation secondary loop wireless automatic alarming system that forms a cover complete function and reliable in action, specifically be to be that the gsm wireless network communication module of controller control Siemens Company is that gsm module sends and receive note by single-chip microcomputer, in the actual use, when transformer station breaks down, controller is that Single-chip Controlling gsm wireless network communication module in time sends the fault message note to the special wireless R-T unit of appointment, the monitoring facilities of working out in advance by single-chip microcomputer judges whether warning or fault note be legal simultaneously, if this information is legal then makes corresponding answer and action according to content, does not delete this note and do not respond this request if conform to rule; In addition, above-mentioned special wireless R-T unit also can send corresponding inquiry or feedback short message to the gsm wireless network communication module.3, applied widely, the very strong and reliable in action of practicality not only goes for electric power systems such as transformer station, also can effectively be applicable to other force devices in the electric power system simultaneously.In sum, the utility model circuit design advantages of simple, use easy and simple to handle, reliable in action and economical and practical, have a radio communication function, can effectively solve the real-time monitoring problem of electric power system fault state, the related personnel of transformer station just can grasp the real time execution situation of transformer station in time, easily by utility model, and can obtain transformer station's fault message in real time, the arrival fault in-situ carries out fault analysis and handling, equipment repairing and resumes production in the shortest time.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is circuit theory diagrams of the present utility model.
Description of reference numerals:
The 1-failure detector circuit; The 2-controller; The 3-acousto-optic warning unit;
The 4-display unit; The 5-GSM wireless network communication module; The 6-circuit breaker;
The 7-mobile phone.
Embodiment
As shown in Figure 1, the utility model comprises failure detector circuit 1, acousto-optic warning unit 3, tackles acousto-optic warning unit 3 mutually and the circuit breaker 6 that is serially connected in the power system power supply loop is the controller 2 that circuit breaker DL controls according to 1 detection signal of failure detector circuit, and the display unit 4 that joins with controller 2, comprise that also one can carry out the gsm wireless network communication module 5 of two-way short message communication with the special wireless R-T unit, described gsm wireless network communication module 5 joins with controller 2.In the present embodiment, described special wireless R-T unit is a mobile phone 7.
In conjunction with Fig. 2, described gsm wireless network communication module 5 is for connecting the chip TC35i of special SIM card.Described controller 2 is chip STC89C52.Described failure detector circuit 1 comprises respectively busbar fault, transformer fault, overload fault and leak current fault is detected and four failure detector circuits of corresponding output fault message.The signal output part of described four failure detector circuits connects P1.0, P1.1, P1.2 and four input pins of P1.3 of described chip STC89C52 respectively, and the INT0 of described chip STC89C52 (P3.2) and INT1 (P3.3) pin be ground connection behind manual combined floodgate S5 and manual brake separating S6 respectively.The normally opened contact of described circuit breaker 6 is that normally opened contact DL is serially connected in the link circuit of failure detector circuit 1 and controller 2.In the present embodiment, the fault-signal output of described four failure detector circuits is by busbar fault K switch 2, transformer fault K switch 3,5 four switches of overload fault K switch 4 and leak current fault K switch are realized, the P1.0 of described chip STC89C52, P1.1, four input pins of P1.2 and P1.3 are respectively through busbar fault K switch 2, transformer fault K switch 3, ground connection behind overload fault K switch 4 and leak current fault K switch 5 and the normally opened contact DL, described busbar fault K switch 2 simultaneously, transformer fault K switch 3, overload fault K switch 4 and leak current fault K switch 5 are respectively through resistance R 1, R2, connect behind R3 and the R4+the 5V power supply.VCC termination+5V power supply of described chip STC89C52.The INT0 of described chip STC89C52 (P3.2) and INT1 (P3.3) pin connect behind resistance R 10 and R11 respectively+the 5V power supply, and its XTAL1 and XTAL2 pin connect the crystal oscillating circuit of being made up of crystal oscillator JZ, capacitor C 2 and C3.The RST/V of described chip STC89C52
PdPin connects after capacitor C 1+the 5V power supply, described RST/V
PdThe pin pin connects behind resistance R 8 and push-button switch S1+the 5V power supply through ground connection after the resistance R 9 and this pin.
Described display unit 4 is the LCD LCD, and eight output pins of the P0.0-P0.7 of described chip STC89C52 connect eight input pins of DB0-DB7 of described LCD LCD respectively.The 15th and 17 pins of described LCD LCD all connect after resistance R 14+the 5V power supply, and its 17th pin ground connection behind push-button switch S7, and the described the 15th and 17 pins are ground connection after capacitor C 11 all.The equal ground connection of the 1st and 20 pins of described LCD LCD and its 19th and the 2nd pin connect+the 5V power supply.Eight output pins of the P0.0-P0.7 of described chip STC89C52 are ground connection behind exclusion R19 and variable resistor Rpot respectively, and described variable resistor Rpot is slide rheostat that LCD LCD contrast is regulated and the 3rd pin of the described LCD LCD of its slip termination.
The output pin P2.7 of described chip STC89C52 is ground connection behind resistance R 20, positive-negative-positive triode Q1 and circuit breaker 6 successively.The base stage connecting resistance R20 of described triode Q1, emitter connect+and 5V power supply and collector electrode connect circuit breaker 6.On the described circuit breaker 6 and be connected to unidirectional conducting diode D1, also comprise breaker closing indicator light LED1 and breaker open operation indicator light LED2 that the break-make situation of circuit breaker 6 is intuitively indicated in addition, the anode of described breaker closing indicator light LED1 and breaker open operation indicator light LED2 connects behind resistance R 28 and R29 respectively+the 5V power supply, and the equal ground connection behind the normally opened contact K1 of circuit breaker 6 of the negative electrode of the two.
Described acousto-optic warning unit 3 comprises loud speaker B1, busbar fault indicator light LED3, transformer fault indicator light LED4, overload indicator light LED5 and electric leakage indicator light LED6.The output pin P2.6 of described chip STC89C52 is ground connection behind resistance R 21, positive-negative-positive triode Q2 and loud speaker B1 successively, and four output pin P2.5, P2.4, P2.3 and the P2.2 of described chip STC89C52 connect+the 5V power supply behind resistance R 22 and busbar fault indicator light LED3, resistance R 23 and transformer fault indicator light LED4, resistance R 24 and overload indicator light LED5, resistance R 25 and overload indicator light LED6 respectively.The base stage connecting resistance R21 of described triode Q2, emitter connect+and 5V power supply and collector electrode meet loud speaker B1.
The output pin RX (P3.0) of described chip STC89C52 and TX (P3.1) connect TXD0 and the RXD0 pin of described chip TC35i respectively behind resistance R 27 and R26.The 15th pin of described chip TC35i ground connection behind push-button switch S8, the CCNC of described chip TC35i, CCRST, CCIO and CCCLK pin correspondence connect NC, CCRST, CCIO and the CCCLK pin of described SIM card respectively, and the CCVCC pin of described chip TC35i and described SIM card is ground connection after capacitor C 16 all.The CCGND of described SIM card, NC, CCRST, CCIO, CCCLK and CCVCC pin all connect the GND pin of described chip TC35i.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (7)
1. electric power system protective relaying device with wireless communication function; comprise failure detector circuit (1); acousto-optic warning unit (3); tackle acousto-optic warning unit (3) mutually and be serially connected in the controller (2) that the circuit breaker (6) in the power system power supply loop is controlled according to failure detector circuit (1) institute detection signal; and the display unit (4) that joins with controller (2); it is characterized in that: comprise that also one can carry out the gsm wireless network communication module (5) of two-way short message communication with the special wireless R-T unit, described gsm wireless network communication module (5) joins with controller (2).
2. according to the described electric power system protective relaying device with wireless communication function of claim 1, it is characterized in that: described gsm wireless network communication module (5) is for connecting the chip TC35i of special SIM card.
3. according to the described electric power system protective relaying device with wireless communication function of claim 2, it is characterized in that: described controller (2) is chip STC89C52.
4. according to the described electric power system protective relaying device with wireless communication function of claim 3, it is characterized in that: described failure detector circuit (1) comprises respectively busbar fault, transformer fault, overload fault and leak current fault is detected and four failure detector circuits of corresponding output fault message; The signal output part of described four failure detector circuits connects P1.0, P1.1, P1.2 and four input pins of P1.3 of described chip STC89C52 respectively, and the INT0 of described chip STC89C52 (P3.2) and INT1 (P3.3) pin be ground connection behind manual combined floodgate S5 and manual brake separating S6 respectively;
The output pin RX (P3.0) of described chip STC89C52 and TX (P3.1) connect TXD0 and the RXD0 pin of described chip TC35i respectively behind resistance R 27 and R26;
Described display unit (4) is the LCD LCD, and eight output pins of the P0.0-P0.7 of described chip STC89C52 connect eight input pins of DB0-DB7 of described LCD LCD respectively;
The output pin P2.7 of described chip STC89C52 is ground connection behind resistance R 20, positive-negative-positive triode Q1 and circuit breaker (6) successively.
5. according to the described electric power system protective relaying device with wireless communication function of claim 4, it is characterized in that: described acousto-optic warning unit (3) comprises loud speaker B1, busbar fault indicator light LED3, transformer fault indicator light LED4, overload indicator light LED5 and electric leakage indicator light LED6; The output pin P2.6 of described chip STC89C52 is ground connection behind resistance R 21, positive-negative-positive triode Q2 and loud speaker B1 successively, and four output pin P2.5, P2.4, P2.3 and the P2.2 of described chip STC89C52 connect+the 5V power supply behind resistance R 22 and busbar fault indicator light LED3, resistance R 23 and transformer fault indicator light LED4, resistance R 24 and overload indicator light LED5, resistance R 25 and overload indicator light LED6 respectively.
6. according to claim 1,2 or 3 described electric power system protective relaying devices with wireless communication function, it is characterized in that: the normally opened contact of described circuit breaker (6) is serially connected in the link circuit of failure detector circuit (1) and controller (2).
7. according to claim 1,2 or 3 described electric power system protective relaying devices with wireless communication function, it is characterized in that: described special wireless R-T unit is mobile phone (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920032270U CN201374588Y (en) | 2009-03-20 | 2009-03-20 | Relay protective device for power system with wireless communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920032270U CN201374588Y (en) | 2009-03-20 | 2009-03-20 | Relay protective device for power system with wireless communication function |
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| Publication Number | Publication Date |
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| CN201374588Y true CN201374588Y (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920032270U Expired - Fee Related CN201374588Y (en) | 2009-03-20 | 2009-03-20 | Relay protective device for power system with wireless communication function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096987A (en) * | 2011-01-25 | 2011-06-15 | 北京煜邦电力技术有限公司 | Wireless alarm method and device for power plant or transformer substation |
| CN102437526A (en) * | 2011-10-10 | 2012-05-02 | 江苏省电力公司阜宁县供电公司 | Rapid repairing and integral dispatching system of power grid |
| CN102957211A (en) * | 2012-12-04 | 2013-03-06 | 施耐德万高（天津）电气设备有限公司 | Energy and electric power monitoring device |
| CN106324402A (en) * | 2016-08-26 | 2017-01-11 | 张振堂 | Intelligent relay protection monitoring device |
| CN108644014A (en) * | 2018-05-02 | 2018-10-12 | 普轩特泵业有限公司 | A kind of fire-fighting diesel engine unit |
-
2009
- 2009-03-20 CN CN200920032270U patent/CN201374588Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096987A (en) * | 2011-01-25 | 2011-06-15 | 北京煜邦电力技术有限公司 | Wireless alarm method and device for power plant or transformer substation |
| CN102437526A (en) * | 2011-10-10 | 2012-05-02 | 江苏省电力公司阜宁县供电公司 | Rapid repairing and integral dispatching system of power grid |
| CN102957211A (en) * | 2012-12-04 | 2013-03-06 | 施耐德万高（天津）电气设备有限公司 | Energy and electric power monitoring device |
| CN102957211B (en) * | 2012-12-04 | 2015-02-11 | 施耐德万高（天津）电气设备有限公司 | Energy and electric power monitoring device |
| CN106324402A (en) * | 2016-08-26 | 2017-01-11 | 张振堂 | Intelligent relay protection monitoring device |
| CN108644014A (en) * | 2018-05-02 | 2018-10-12 | 普轩特泵业有限公司 | A kind of fire-fighting diesel engine unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20110320 |