CN202978424U - Intelligent communication circuit breaker - Google Patents
Intelligent communication circuit breaker Download PDFInfo
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- CN202978424U CN202978424U CN 201220573813 CN201220573813U CN202978424U CN 202978424 U CN202978424 U CN 202978424U CN 201220573813 CN201220573813 CN 201220573813 CN 201220573813 U CN201220573813 U CN 201220573813U CN 202978424 U CN202978424 U CN 202978424U
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- circuit breaker
- intelligent
- data
- communication
- breaker
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Abstract
The utility model discloses an intelligent communication circuit breaker which comprises a circuit breaker body and an intelligent module. The intelligent module comprises the four parts of a data acquisition front end, a control unit, a data receiving and processing unit and an execution unit, wherein the four parts are connected in turn. Parameter operation, state detection, circuit breaker position displaying are realized, and data transmission with an external monitoring terminal and remote monitoring are realized. At the same time, a monitoring terminal realizes remote control on the related intelligent communication circuit breaker. An inferior grid circuit breaker works with a superior grid circuit breaker to carry out corresponding actions. The intelligent communication circuit breaker is applied to an intelligent power grid, and is especially applied to an intelligent microgrid operation environment.
Description
technical field
The present invention relates to a kind of circuit breaker, relate in particular to carried out operational factor in a kind of intelligent microgrid running environment, state-detection and multiplely communicate by letter, the intelligent communication circuit breaker of control, belong to micro-grid equipment technical field.
Background technology
In intelligent microgrid, the throughput direction of the energy is no longer that the energy that determine, single direction is carried, and when higher level's net circuit breaker disconnects, also can there be electric energy in undernet, when circuit need to be safeguarded, can bring very large potential safety hazard.
In intelligent micro-grid, need often to understand the parameter situation of circuit breaker, in order to can preventatively make relevant treatment; When circuit breaker breaks down, can find in time simultaneously.
For adapting to intelligent microgrid running environment, in microgrid, each several part is selected suitable communication mode according to different condition and carries out being transferred to monitor terminal after hierarchical communication.
Summary of the invention
The object of the present invention is to provide a kind of intelligent communication circuit breaker, realize that the demonstration of operational factor and state-detection and each circuit breaker position realization and outer monitoring terminal carry out transfer of data and remote monitoring, monitor terminal is realized relevant intelligent communication circuit breaker is carried out to remote control simultaneously, and subordinate's net circuit breaker coordinates and carries out corresponding action higher level's net circuit breaker.
Purpose of the present invention is achieved by the following technical programs: comprise breaker body, intelligent object, intelligent object comprises data acquisition front (1), control unit (2), data receiver and processing unit (3), (4) four parts of performance element and is connected successively.
Further, described breaker body comprises contact, and described data acquisition front is detected electrical wear amount and the open and-shut mode of the temperature of the described contact of circuit breaker, voltage, moving contact insertion depth, vacuum arc-extinguishing chamber contact.
Further, described control unit adopts microcomputer chip and embeds GPRS/3G module, ICP/IP protocol module, short message processing module, carrier communication module and RS232/RS485 conversion interface circuit, realize wired and/or communication, communicate with the circuit breaker of intelligent microgrid and up/down level net.
Further, described performance element one end connects photoelectricity isolation, the amplifying circuit of control unit, and the other end connects the relay of breaker body; The instruction of performance element employing terminal scheduling after photoelectricity isolation, amplifying circuit, is carried out the action of splitting or integrating lock by relay to breaker body by control unit.
Further, subordinate's net circuit breaker of described data receiver and processing unit receives higher level's net circuit breaker splitting or integrating lock signal, and it is moved accordingly.
Temperature T, voltage U, the moving contact insertion depth T of described data acquisition front to contact of breaker
h, electrical wear amount S and the open and-shut mode Q of vacuum arc-extinguishing chamber contact are detected, after becoming standard signal by acquisition process, send on microcomputer chip, again through preliminary treatment, select again corresponding communication module and corresponding interface and outer monitoring terminal communication after the relevant treatment such as communication and command process, carry out transfer of data, processing and remote monitoring and scheduling, the outer monitoring terminal is by sending instruction to the corresponding communication module of control unit, after the communication module reception & disposal, processing by control centre's microcomputer chip is connected with performance element, performance element carries out photoelectricity isolation G1 to the signal of processing, by relay J, breaker body is carried out and closed after amplifying G2, the separating brake action, standard signal after communication process, by corresponding communication module, communicate with the next stage circuit breaker simultaneously, and the next stage circuit breaker moves accordingly according to the splitting or integrating lock state of upper level circuit breaker after receiving signal.
The aforementioned intelligent circuit breaker, the temperature T of the contact of breaker detected by digital temperature sensor that wherein data acquisition unit 1 arranges
on A, T
under A, T
on B, T
under B, T
on C, T
under Cdirectly with microcomputer chip, be connected; Detect the voltage U of contact of breaker by two three-phase contact voltage collection signal output circuits of line
on A, U
under A, U
on B, U
under B, U
on C, U
under Cbecome switching value K3, K4, directly be connected with microcomputer chip; The moving contact insertion depth T detected by moving contact insertion depth detecting element
hwith the electrical wear amount S that comes arc chamber wearing and tearing contact elements to detect by vacuum
a, S
b, S
cwith by photoelectricity, isolate after deliver to microcomputer chip; Opening and closing state is sent on microcomputer chip after optocoupler, and the respective communication module by control unit transfers to monitor terminal.
The aforementioned intelligent circuit breaker, the microcomputer chip that wherein control unit 2 arranges adopts 8 single chip computer AT 89C51 of ATMAL company, include 128KFLASH, SKARM, take full advantage of the advantage that the AT89C51 integrated level is high, functions of modules is strong in exploitation, the software of device leaves high-capacity FLASH EEPROM in sheet in, and ram in slice is deposited in real time data, program variable etc., deposits definite value in EEPROM.Data, address bus are not drawn control unit, have good interference free performance, and P1 mouth, P2 mouth can be used to expand the equipment of parallel interface.The PO mouth is as the interface of switching value 1, and P3.4 and P3.5 mouth drive clock chip, and clock chip, with backup battery, reads date, time for CPU.P3.0, P3.1 and P3.2, P3.3 mouth are suitable for doing communication to be used, and by communication function, can realize that a distant place patrols and examines to fixed value modification with to loop.The timer module strengthened can be used to produce the interruption that can be accurate to Microsecond grade, uses inside and outside two-stage house dog simultaneously, guarantees that device normally moves.
The aforementioned intelligent circuit breaker, the ICP/IP protocol module that wherein control unit 2 arranges is a standard agreement external member, can describe with hierarchical mode.During data packing deal with data, every one deck adds the information of oneself in a data head to, and this data head is installed in data volume by the protocol package in lower one deck.When data solution packet handler receives communication data, corresponding data head is peeled off, and the remainder of packet is used as to data volume and treats.Use EEPROM the parameters such as IP address, ppp protocol can be kept to the inside.At first transfer these data after monolithic processor resetting with the initialization network.Single-chip microcomputer mainly completes the packing of image data, by communication module, data is outputed in network.
The aforementioned intelligent circuit breaker, the GPRS/3G communication module that wherein control unit 2 arranges, to adopt GPRS wireless Modem and the built-in 3G modularization chip Sim5210 that carries the ICP/IP protocol processing capacity, support the information receiving and transmitting pattern, support again the GPRS/3G Wireless Data Transmission, simultaneously corresponding interface also can be realized carrying out transfer of data by telephone wire and optical fiber.After the GPRS wireless Modem is connected into the GPRS/3G network also and monitor terminal connects, monitor terminal sends data processing command to the GPRS/3G data collection station, after the GPRS/3G data collection station receives order, by the RS232 data/address bus, circuit breaker is communicated, gather the data message of storing in microcomputer chip, the protocol processor built-in by the GPRS wireless Modem processed data, protocol encapsulation, then send in real time the GPRS/3G network, packet arrives Internet via the GPRS/3G network delivery, be sent to monitor terminal by ADSL or Dial-up Network or fixed network again.This system also can be carried out transfer of data by the mode of short message.When system signal is bad, network connects not smooth or, not in the GPRS/3G network coverage area, in the time of can not carrying out the GPRS/3G transmission, the mode of employing short message, as supplementing of GPRS/3G transfer of data.Network parameter (IP address or port numbers) when the monitor terminal main frame changes in addition, when the GPRS/3G module can't find data to process lower machine, revise the network parameter of GPRS/3G module with the mode notification data acquisition terminal of short message, re-establish new connection.
The aforementioned intelligent circuit breaker, the carrier communication module that wherein control unit 2 arranges adopts AT89C51 as microcontroller, and power line carrier modem adopts special chip ST7536.Adopt the general serial communication interface between AT89C51 and ST7536, use I
2the C bus is communicated by letter with serial EEPROM, and EEPROM adopts ferroelectric 24C02, and this chip has unlimited erasable function.Realize the communication of whole network by power carrier, by double bus, realize communicating by letter of module and miscellaneous equipment.Like this, communication module just can realize a plurality of physical device communication and controls by software and communication protocol.All Frames all adopt CRC check.AT89C51 and ST7536 all adopt the external hardware electrification reset, use the inside watchdog function of AT89C51 simultaneously, and AT89C51 and ST7536 are carried out to necessary resetting, in case locking system crashes, cause network service to interrupt.Multidiameter option switch adopts CD4052, by it, carries out the selection of power carrier and double bus, to realize the timesharing that power line carrier, PLC is communicated by letter with double bus, controls.Then be connected with power line and be connected and transmitted with the RS232/RS485 bus with the RS232/RS485 conversion interface circuit by power line interface circuit respectively.
The aforementioned intelligent circuit breaker, the performance element circuit that wherein control unit 2 arranges is comprised of an optical coupler G1 and amplifier G2 and relay J, the switching signal transmitted by microcomputer chip, after optical coupling is amplified, drives the action of circuit breaker splitting or integrating lock by relay.
The present invention mainly is adapted to intelligent microgrid operation, and in intelligent microgrid, the throughput direction of the energy is no longer that the energy that determine, single direction is carried, when higher level's net circuit breaker disconnects, also can there be electric energy in undernet, when circuit need to be safeguarded, can bring very large potential safety hazard; Intelligent microgrid need in service are known splitting or integrating lock state and the operational factor of its each circuit breaker simultaneously; This intelligent communication circuit breaker is the binding function that has increased parameter state detecting element and actual address and IP on circuit breaker, and by multi-communication mode, parameter status information and address are sent, make the terminal in microgrid know its each parameter state and address, send dispatch command to relevant intelligent communication circuit breaker by terminal simultaneously, make it make corresponding action.Ensure and need the circuit disconnected fully in off-state.Subordinate's circuit breaker receives the information of higher level's circuit breaker simultaneously, coordinates higher level's circuit breaker to make corresponding action.
the accompanying drawing explanation
The system framework figure that Fig. 1 is intelligent communication circuit breaker of the present invention.
Fig. 2 is data acquisition front schematic diagram of the present invention.
Fig. 3 is data acquisition of the present invention and serial bus communication schematic diagram.
Fig. 4 is GPRS/3G communication system block diagram of the present invention.
Fig. 5 is carrier communication module block diagram of the present invention.
Fig. 6 is power line interface circuit block diagram of the present invention.
Fig. 7 is RS232/RS485 conversion interface circuit schematic diagram of the present invention.
Fig. 8 is performance element circuit diagram of the present invention.
Fig. 9 is three-phase contact voltage collection signal output circuit schematic diagram of the present invention.
embodiment
With reference to Fig. 1, Fig. 2 and Fig. 8, Fig. 9, the present invention includes breaker body, intelligent object, intelligent object comprises data acquisition front (1), control unit (2), data receiver and processing unit (3), (4) four parts of performance element and is connected successively.Because of the scheduling that facilitates large electrical network and intelligent micro-grid also, from network operation, the maintenance with bright convenience to circuit, must know and therefore need the data of circuit breaker be gathered parameter and the state of its relative breaker at different levels.Circuit breaker A, the B detected by two three-phase contact voltage collection signal output circuits (Fig. 9), the voltage U of the upper and lower contact of C three-phase
on A, U
under A, U
on B, U
under B, U
on C, U
under Cbecome switching value K3, K4, be connected with P2.3, the P2.4 pin of model AT89C51 microcomputer chip respectively; Circuit breaker A, the B that DS18B20 intelligent digital temperature sensor by U.S. DALLAS semiconductor company detects, the temperature T of the upper and lower contact of C three-phase
on A, T
under A, T
on B, T
under B, T
on C, T
under Cdirectly the Tiaokou line by transducer is connected with the P2.2 pin of model AT89C51 microcomputer chip; The moving contact insertion depth T detected by moving contact insertion depth detecting element
ha, B, C three-phase electricity wear extent S with the contact elements detection of wearing and tearing by vacuum interrupter
a, S
b, S
cby delivering to the P0 mouth of AT89C51 chip after model TLP521 optocoupler; The on/off switch state is connected with the P2.0 pin of AT89C51 chip after the TLP521 of same model optocoupler.
With reference to Fig. 1, Fig. 3 and Fig. 4, Fig. 8, intelligent communication circuit breaker of the present invention is when selecting GPRS/3G communication, the data of data acquisition front collection are undertaken storing after the data preliminary treatment by the AT89C51 chip, the storing data information of GPRS/3G communication module acquisition chip, by the GPRS wireless Modem built-in protocol processor to data processed, protocol encapsulation, then send in real time the GPRS/3G network by SGSN, packet to Internet, then is sent to monitor terminal by ADSL or Dial-up Network or fixed network via the GPRS/3G network delivery; After data receiver, processing, monitor terminal sends data processing command to the GPRS/3G data collection station, after the GPRS/3G data collection station receives order, after the data that the docking of data solution packet handler is received are carried out lift-off processing, be transferred to the AT89C51 chip by the RS232 data/address bus and carry out preliminary treatment, then the P2.1 pin of AT89C51 chip is connected with the performance element circuit, and the switching signal after processing drives breaker body to carry out by relay J to divide after optocoupler G1 and operation amplifier G2 process, feed motion.The data processing command that simultaneously the GPRS/3G communication module receives from monitor terminal is the receiver module to subordinate's net circuit breaker by the GPRS/3G Internet Transmission, make its subordinate's net circuit breaker according to the data processing command received be correlated with minute, feed motion.When system signal is bad, network connects not smooth or, not in the GPRS/3G network coverage area, in the time of can not carrying out the GPRS/3G transmission, this system also can be carried out transfer of data by the mode of short message, as supplementing of GPRS/3G transfer of data.Network parameter (IP address or port numbers) when the monitor terminal main frame changes in addition, when the GPRS/3G module can't find data to process lower machine, revise the network parameter of GPRS/3G module with the mode notification data acquisition terminal of short message, re-establish new connection.
With reference to Fig. 1, Fig. 3 and Fig. 5 to Fig. 9, intelligent communication circuit breaker of the present invention is when selecting carrier communication, adopting the modulator-demodulator of special chip ST7536 is that the TLP521 light-coupled isolation is that the AT89C51 chip is connected through the MAX232 of Maxim driving chip drives RS232 serial ports with model by model, gathering model is the data message of storing in the AT89C51 chip, the signal gathered is by ST7536 output (ATO) output, to amplify and filtering (filter adopts the 72KHZ carrier frequency), then modulate the signal to (as figure six) on power line by coupling circuit, by power line, the signal modulated is transferred on the carrier communication module of monitor terminal.After monitor terminal is processed data, send data processing command, after the electricity interface processing of circuit of terminal, carrier signal is transferred on the carrier communication module of relevant intelligent communication circuit breaker by power line, then is transferred to the receiving terminal (RAI) of ST7536 chip after coupling circuit isolation and pre-amplification.Then by the RS232 serial communication to the AT89C51 chip, transmit after pretreatment a switching signal to performance element circuit (Fig. 8), the relay (J) by the performance element circuit drives that breaker body divides, feed motion.Simultaneously, the carrier signal received from terminal is transferred to by power line the carrier communication module of subordinate's net circuit breaker, the same principle to its divide, feed motion.In addition, the information exchange gathered from the AT89C51 chip is crossed the CD4052 multidiameter option switch and is carried out the selection to the RS232/RS485 bus communication, and it is undertaken and the communicating by letter of miscellaneous equipment by the RS232/RS485 conversion interface circuit.Realize the communication of whole network by power carrier, by double bus, realize communicating by letter of module and miscellaneous equipment.
With reference to Fig. 1, the communication module of Intelligent Communication Controllers of the present invention also provides GPRS/3G interface and Internet interface to carry out data transmission and reception by telephone wire and optical fiber respectively.Simultaneously, also provide the RS485 bus interface conveniently to be connected with corresponding communication module interface.Realized communicating by letter of various ways communication and whole network.
Unit, device that intelligent communication circuit breaker of the present invention adopts are easy to get, and detector unit, vacuum arc-extinguishing chamber contact abrasion detection element, moving contact insertion depth detecting element are commercially available prod.Wherein unit, the device of intelligent control center 2 and performance element circuit, three-phase contact voltage collection signal output circuit also are commercially available prod.
Intelligent communication circuit breaker of the present invention has: in micro-operation of power networks environment, safe and reliable, make the interior parameters of circuit breaker all in the monitoring state, no matter be that all parameters such as contact of breaker temperature or the indoor contact abrasion degree of vacuum extinction are all among monitoring, as long as changing, parameters surpasses set point, terminal will be notified operating personnel, thereby only avoided after circuit breaker breaks down in maintenance or changed phenomenon, having stopped the large economic loss of tool that the generation because of the circuit breaker internal fault causes to the user.Simultaneously, the higher level nets while disconnecting, and also can there be electric energy in subordinate's net, by intelligent communication circuit breaker of the present invention, can make breaker open operations at different levels by communication, has ensured that the circuit disconnected, fully in off-state, has ensured while safeguarding the safety of circuit.
Claims (3)
1. an intelligent communication circuit breaker, is characterized in that, comprises breaker body, intelligent object, and intelligent object comprises data acquisition front (1), control unit (2), data receiver and processing unit (3), (4) four parts of performance element and is connected successively.
2. a kind of intelligent breaker as described as claim 1, it is characterized in that, described control unit adopts microcomputer chip and embeds GPRS/3G module, ICP/IP protocol module, short message processing module, carrier communication module and RS232/RS485 conversion interface circuit, realize wired and/or communication, communicate with the circuit breaker of intelligent microgrid and up/down level net.
3. a kind of intelligent breaker as described as claim 1, is characterized in that, described performance element one end connects photoelectricity isolation, the amplifying circuit of control unit, and the other end connects the relay of breaker body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220573813 CN202978424U (en) | 2012-11-04 | 2012-11-04 | Intelligent communication circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220573813 CN202978424U (en) | 2012-11-04 | 2012-11-04 | Intelligent communication circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN202978424U true CN202978424U (en) | 2013-06-05 |
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ID=48519449
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220573813 Expired - Fee Related CN202978424U (en) | 2012-11-04 | 2012-11-04 | Intelligent communication circuit breaker |
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| Country | Link |
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| CN (1) | CN202978424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779123A (en) * | 2015-03-26 | 2015-07-15 | 安徽波瑞电气有限公司 | Molded case circuit breaker based on intelligent IPV6 wireless ad-hoc network communication |
| CN115712063A (en) * | 2023-01-09 | 2023-02-24 | 石家庄科林电气股份有限公司 | Detection method and device of intelligent circuit breaker, electronic equipment and intelligent circuit breaker |
-
2012
- 2012-11-04 CN CN 201220573813 patent/CN202978424U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104779123A (en) * | 2015-03-26 | 2015-07-15 | 安徽波瑞电气有限公司 | Molded case circuit breaker based on intelligent IPV6 wireless ad-hoc network communication |
| CN115712063A (en) * | 2023-01-09 | 2023-02-24 | 石家庄科林电气股份有限公司 | Detection method and device of intelligent circuit breaker, electronic equipment and intelligent circuit breaker |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20131104 |