CN110401264A - Novel intelligent isolation circuit breakers - Google Patents
Novel intelligent isolation circuit breakers Download PDFInfo
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- CN110401264A CN110401264A CN201910796069.2A CN201910796069A CN110401264A CN 110401264 A CN110401264 A CN 110401264A CN 201910796069 A CN201910796069 A CN 201910796069A CN 110401264 A CN110401264 A CN 110401264A
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Abstract
The invention discloses a kind of novel intelligent isolation circuit breakers, including isolation circuit breakers, current transformer, voltage transformer, master controller module, locating module, data acquisition module, data to expand module, metering module, monitoring module, protective module and decision-making module；Current transformer sampling isolation circuit breakers current signal simultaneously uploads；Voltage transformer sampling isolation circuit breakers voltage signal simultaneously uploads；Locating module obtains isolation circuit breakers location information and uploads；Data collecting module collected data simultaneously upload；Data expand module expansion interface, obtain data and upload；Metering module is for measuring and uploading；Monitoring module is for monitoring and uploading；Protective module generates protection signal and uploads；Decision-making module makes decisions and uploads.The present invention makes that the structure of intelligent isolation circuit breakers is more succinct, more compact, smallerization, high reliablity and intelligence is good, and makes with better function, more intelligent, the more scalability of intelligent isolation circuit breakers.
Description
Technical field
Present invention relates particularly to a kind of novel intelligent isolation circuit breakers.
Background technique
With the development and the improvement of people's living standards of economic technology, electric energy has become in people's production and life
Essential secondary energy sources bring endless convenience to people's production and life.Therefore, electric system is reliable and stable
Operation, just becomes one of most important task of electric system.
Isolation circuit breakers be meet when contact is in open position disconnecting switch requirement breaker, be in electric system most
Important control equipment.Therefore, the safe and stable operation of isolation circuit breakers is the key that one of electric system.
At present isolation circuit breakers mostly be old equipment, can not each isolation circuit breakers of unified monitoring state, and intelligence
Change degree is low, has a single function, and has been unable to satisfy the needs of intelligent development now completely.
Summary of the invention
The purpose of the present invention is to provide a kind of high reliablity and intelligent good kind novel intelligent isolation circuit breakers.
This novel intelligent isolation circuit breakers provided by the invention, including isolation circuit breakers, current transformer, mutual induction of voltage
Device, master controller module, locating module, data acquisition module, data expand module, metering module, monitoring module, protective module
And decision-making module；Locating module, data acquisition module, data expand module, metering module, monitoring module, protective module and determine
Plan module is connect with master controller module；Current transformer connection isolation circuit breakers simultaneously sample the electric current for flowing through isolation circuit breakers
Signal；The output end connection data acquisition module and metering module of current transformer simultaneously upload the current signal of sampling；Voltage
Mutual inductor connection isolation circuit breakers and the voltage signal for sampling isolation circuit breakers；The output end connection data acquisition of voltage transformer
Module and metering module simultaneously upload the voltage signal of sampling；Locating module be used for obtain isolation circuit breakers location information and
Pass master controller module；Data acquisition module is used to acquire the current data of isolation circuit breakers, and obtains data from SCADA system
And upload master controller module；Data expand the interface that module is used to extend master controller module, and obtain number from SCADA system
According to and upload master controller module；Metering module is used for the electrical energy measurement of intelligent isolation circuit breakers and continuous data is uploaded master control
Device module processed；Monitoring module is used to monitor the work state information of the intelligent isolation circuit breakers and uploads master controller module；
Protective module is used for the operational data according to the novel intelligent isolation circuit breakers, generates protection signal and uploads master controller mould
Block；Decision-making module uploads the result of decision for being made decisions according to the operational data of the novel intelligent isolation circuit breakers
Master controller module.
The current transformer be optical fiber current mutual inductor, and the Fibre Optical Sensor ring of optical fiber current mutual inductor be embedded in every
From in the annular groove of breaker flange, transmission fiber passes through inside the exterior insulation of lower posts set pipe insulation layer, passes
It loses fine using spirally inside insulating layer, transmission fiber upper end passes through the aperture of flange and the sensor fibre of sensing unit
Welding, insulating sleeve lower end transmission fiber are connect with data acquisition module.
The master controller module include master controller chip, master controller storage circuit, master controller clock circuit,
Master controller reset circuit, master controller power circuit and master controller interface expand circuit；Master controller storage circuit, master control
Device clock circuit, master controller reset circuit and master controller interface processed are expanded circuit and are connect with master controller chip；Master control
Device power circuit processed is used for the master controller module for power supply；Master controller storage circuit is for storing master controller module
Operational data；Master controller clock circuit is for providing the clock signal of master controller chip；Master controller reset circuit is used for
The reset signal of master controller chip is provided；Master controller interface is expanded circuit and is connect for expanding the communication of master controller chip
Mouthful, to connect external communication device；Master controller chip is used to control the work of the master controller module.
It includes that circuit is expanded in RS485 communication, ethernet communication expands circuit, fixed that the master controller interface, which expands circuit,
Circuit is expanded in position module communication, circuit is expanded in PCI communication and circuit is expanded in HDMI communication；RS485 communication expand circuit for pair
RS485 communication interface is expanded, so as to connect the external equipment of several RS485 communication simultaneously；Ethernet communication is opened up
Exhibition circuit is set for expanding to ethernet interface so as to connect the outside of several ethernet communications simultaneously
It is standby；Locating module communication expands circuit and is used to expand the communication interface of locating module, several so as to connect simultaneously
A locating module；PCI communication expands circuit for expanding to PCI communication interface, so as to connect several PCI simultaneously
The external equipment of communication；HDMI communication expands circuit for expanding to HDMI communication interface, if so as to connect simultaneously
The external equipment of dry HDMI communication.
The locating module includes Beidou positioning module and GPS positioning module.
The data acquisition module includes data acquisition module data collecting card, data acquisition module power circuit, number
According to acquisition module reset circuit, data acquisition module signal conditioning circuit and data acquisition module signal conversion circuit；Data are adopted
Collection module by signal conditioning circuit, data acquisition module signal conversion circuit and data acquisition module data collecting card are sequentially connected in series；
Data acquisition module reset circuit is connect with data acquisition module data collecting card；What current transformer and voltage transformer exported
After signal carries out the filtering and conditioning of signal by data acquisition module signal conditioning circuit, then pass through data acquisition module block signal
Conversion circuit is converted to the level signal of data acquisition module data collecting card requirement, and is uploaded to data acquisition module data and adopts
Truck；Data acquisition module reset circuit is used to provide reset signal to data acquisition module data collecting card；Data acquisition module
Block data collecting card is for acquiring data and the data of acquisition being uploaded master controller module；Data acquisition module power circuit is used
It powers in the data acquisition module.
It includes that data expand module power supply circuit, data expand module data collection card, number that the data, which expand module,
Module by signal conversion circuit is expanded according to expansion module resets circuit and data；Data expand module resets circuit and data expand mould
Block signal conversion circuit is expanded module data collection card with data and is connect；Data are expanded module power supply circuit and are used for the number
According to expansion module for power supply；Data, which expand module resets circuit and are used to expand module data collection card to the data and provide, resets letter
Number；Data are expanded module by signal conversion circuit and are wanted for externally input data to be converted to data expansion module data collection card
The level signal asked, and upload data and expand module data collection card；Data expand module data collection card for acquiring data
And upload master controller module.
The metering module includes metering module power circuit, metering module metering chip, metering module controller core
Piece, metering module controller reset circuit, metering module controller clock circuit, metering module metering chip reset circuit and meter
Measure module storage circuit；Metering module metering chip, metering module controller reset circuit, metering module controller clock electricity
Road and metering module storage circuit are connect with metering module controller chip；Metering module metering chip reset circuit and meter
Measure the connection of module metering chip；Externally input sampled signal is directly inputted to metering module metering chip and carries out electrical energy measurement；
Metric results are uploaded metering module controller chip by metering module metering chip；Metering module controller chip is based on controlling
Module work is measured, and received continuous data is uploaded into master controller module；Metering module controller reset circuit is based on giving
It measures module controller chip and reset signal is provided；Metering module controller clock circuit to metering module controller chip for mentioning
For clock signal；Metering module metering chip reset circuit is used to provide reset signal to metering module metering chip；Measure mould
Block storage circuit is used to store the operational data of the metering module.
The monitoring module includes monitoring module power circuit, monitoring module controller chip, monitoring module driving electricity
Road, monitoring module clock circuit, monitoring module reset circuit, monitoring module storage circuit and monitoring module telecommunication circuit；Monitoring
Module drive circuit, monitoring module clock circuit, monitoring module reset circuit, monitoring module storage circuit and monitoring module communication
Circuit is connect with monitoring module controller chip；Monitoring module power circuit is used to power to the monitoring module；Monitor mould
Block controller chip obtains the monitoring information of the novel intelligent isolation circuit breakers and defeated for controlling monitoring module work
Control signal passes through monitoring module driving circuit drive actions mechanism action out；Monitoring module clock circuit is used for monitoring module
Controller chip provides clock signal；Monitoring module reset circuit is used to provide reset signal to monitoring module controller chip；
Monitoring module storage circuit is used to store the running parameter of the monitoring module；Monitoring module telecommunication circuit is used for the monitoring mould
Block is communicated with external equipment.
The protective module includes protective module power circuit, protective module A/D converter circuit, protective module controller
Chip, protective module clock circuit, protective module reset circuit, protective module storage circuit, protective module telecommunication circuit and guarantor
Protect module drive circuit；Protective module A/D converter circuit, protective module clock circuit, protective module reset circuit, protective module
Storage circuit, protective module telecommunication circuit and protective module driving circuit are connect with protective module controller chip；Protect mould
Block power circuit is used to power to the protective module；Protective module A/D converter circuit is used to turn externally input detection signal
It is changed to digital signal and uploads protective module controller chip；Protective module controller chip is for controlling the protective module work
Make, and signal is controlled according to the detection signal output protection of upload, and drive by protective module driving circuit output drive signal
Dynamic executing agency's work；Protective module clock circuit is used to provide clock signal to protective module controller chip；Protective module
Reset circuit is used to provide reset signal to protective module controller chip；Protective module storage circuit is for storing the protection
The operational data of module；Protective module telecommunication circuit is communicated for the protective module with external equipment.
The decision-making module includes decision-making module power circuit, decision-making module FPGA, decision-making module controller chip, determines
Plan module storage circuit, decision-making module control clock circuit, decision-making module control reset circuit, is determined at decision-making module telecommunication circuit
Plan module FPGA clock circuit and decision-making module FPGA reset circuit；Decision-making module FPGA, decision-making module storage circuit, decision model
Block telecommunication circuit, decision-making module control clock circuit and decision-making module control reset circuit connect with decision-making module controller chip
It connects；Decision-making module FPGA clock circuit and decision-making module FPGA reset circuit are connect with decision-making module FPGA；Decision-making module electricity
Source circuit is used to power to the decision-making module；Decision-making module FPGA is for obtaining decision data and uploading decision-making module controller
Chip；Decision-making module controller chip makes a policy simultaneously for controlling the decision-making module work according to the decision data of upload
It is communicated by decision-making module telecommunication circuit with external equipment；Decision-making module storage circuit is for storing the decision-making module
Operational data；Decision-making module controls clock circuit and is used to provide clock signal to decision-making module controller chip；Decision-making module control
Reset circuit processed is used to provide reset signal to decision-making module controller chip；Decision-making module FPGA clock circuit is used for decision
Module FPGA provides clock signal；Decision-making module FPGA reset circuit is used to provide reset signal to decision-making module FPGA.
This novel intelligent isolation circuit breakers provided by the invention keep the structure of intelligent isolation circuit breakers more succinct, tighter
Gather, smallerization, high reliablity and intelligence it is good, and make intelligent isolation circuit breakers it is with better function, more intelligent, more can
Scalability.
Detailed description of the invention
Fig. 1 is the overall plan schematic diagram of novel intelligent isolation circuit breakers of the invention.
Fig. 2 is functional block diagram of the invention.
Fig. 3 is the functional block diagram of master controller module of the invention.
Fig. 4 is the functional block diagram of data acquisition module of the invention.
Fig. 5 is the functional block diagram that data of the invention expand module.
Fig. 6 is the functional block diagram of metering module of the invention.
Fig. 7 is the functional block diagram of monitoring module of the invention.
Fig. 8 is the functional block diagram of protective module of the invention.
Fig. 9 is the functional block diagram of decision-making module of the invention.
Specific embodiment
As shown in Figure 1 be the overall plan schematic diagram of novel intelligent isolation circuit breakers of the invention: the present invention will keep apart
Pass, breaker, optical fiber current mutual inductor, electrical energy measurement, long-range monitoring, intelligent protection and intelligent decision are integrated, and being integrated into has
Multiduty intelligence isolation circuit breakers.This intelligence isolation circuit breakers are three phase mechanical linkage formula, and (1), (2), (3) point are marked in figure
Not Wei breaker A phase inlet wire, breaker B phase inlet wire, breaker C phase inlet wire, (4), (5), (6) are respectively bus bar side grounding switch
A phase moving contact, bus bar side grounding switch B phase moving contact, bus bar side grounding switch C phase moving contact, (7), (8), (9) are respectively disconnected
Road device A phase moving contact, B phase moving contact, C phase moving contact, (10), (11), (12) are respectively the dynamic touching of outgoing line side grounding switch A phase
Head, outgoing line side grounding switch B phase moving contact, outgoing line side grounding switch C phase moving contact (13), (14), (15) are respectively A phase optical fiber
Current transformer, B phase optical fiber current mutual inductor, C phase optical fiber current mutual inductor, (16), (17), (18) are respectively breaker A phase
Outlet, the outlet of breaker B phase, breaker C phase outlet, (19) are SF6Arc-chutes, (20) are insulating sleeve, and (21) are flange,
(22), (23), (24) are respectively circuit breaker operation mechanism connecting rod, bus bar side grounding switch operating mechanism link, outgoing line side ground connection
Switch operation mechanism rod, (25) are optical fiber, and (26) are spring operating mechanism of circuit breaker, and (27) are circuit breaker closing locking device, energy
Realize digitized measurement, control based on network, status monitoring etc..The embedded collection that breaker and optical fiber current mutual inductor use in figure
The Fibre Optical Sensor ring of optical fiber current mutual inductor is embedded in the annular groove of isolation circuit breakers flange at method, transmission fiber from
It is passed through inside the exterior insulation set pipe insulation layer of lower posts, transmission fiber is passed through inside insulating layer using spiral, transmission
Optical fiber upper end is by the sensor fibre welding of the aperture of flange and sensing unit, in insulating sleeve lower end transmission fiber and intelligent cabinet
Electric unit is connected.Breaker and the integrated integral type integrated approach used of disconnecting switch are by the both ends of former breaker in figure
Disconnecting switch is arranged to be changed to for the isolation features of disconnecting switch being integrated into the arc-chutes of breaker, the contact of breaker is protected
In SF6 arc-chutes.Specific implementation is that outlet line side disconnecting switch and bus bar side disconnecting switch are integrated into isolation circuit breakers
In, the contact of breaker is protected in SF6 arc-chutes, earthing switch is internally integrated, to have both breaker and disconnecting switch
Dual function.Isolation circuit breakers are mainly by arc-chutes, breaker, earthing switch, SF6Gas system, locking system composition.Locking
System and earthing switch can guarantee that the safety of maintenance carries out, to cancel the disconnecting switch of outgoing line side and bus bar side.Intelligent cabinet with
Operating mechanism, optical fiber current mutual inductor pass through optical-fibre communications.
It is illustrated in figure 2 functional block diagram of the invention: this various novel intelligent isolation circuit breakers provided by the invention, packet
Isolation circuit breakers, current transformer, voltage transformer, master controller module, locating module, data acquisition module, data are included to open up
Open up module, metering module, monitoring module, protective module and decision-making module；Locating module, data acquisition module, data expand mould
Block, metering module, monitoring module, protective module and decision-making module are connect with master controller module；Current transformer connection every
From breaker and the current signal of isolation circuit breakers is flowed through in sampling；The output end connection data acquisition module and meter of current transformer
It measures module and uploads the current signal of sampling；Voltage transformer connection isolation circuit breakers and the voltage letter for sampling isolation circuit breakers
Number；The output end connection data acquisition module and metering module of voltage transformer simultaneously upload the voltage signal of sampling；Positioning mould
Block is used to obtain the location information of isolation circuit breakers and uploads master controller module；Data acquisition module is for acquiring isolation open circuit
The current data of device, and obtain data from SCADA system and upload master controller module；Data expand module for extending master control
The interface of device module processed, and obtain data from SCADA system and upload master controller module；Metering module is isolated disconnected for intelligence
Continuous data is simultaneously uploaded master controller module by the electrical energy measurement of road device；Monitoring module is for monitoring the intelligent isolation circuit breakers
Work state information and upload master controller module；Protective module is used for the work according to the novel intelligent isolation circuit breakers
Data generate protection signal and upload master controller module；Decision-making module is used for according to the novel intelligent isolation circuit breakers
Operational data makes decisions, and the result of decision is uploaded master controller module.
In the specific implementation, current transformer is optical fiber current mutual inductor, and the Fibre Optical Sensor ring of optical fiber current mutual inductor
It is embedded in the annular groove of isolation circuit breakers flange, transmission fiber is worn inside the exterior insulation of lower posts set pipe insulation layer
It crosses, for transmission fiber using spirally passing through inside insulating layer, transmission fiber upper end passes through the aperture of flange and sensing unit
Sensor fibre welding, insulating sleeve lower end transmission fiber are connect with data acquisition module.
Be illustrated in figure 3 the functional block diagram of master controller module of the invention: master controller module includes master controller
Chip, master controller storage circuit, master controller clock circuit, master controller reset circuit, master controller power circuit and total
Control unit interface expands circuit；Master controller storage circuit, master controller clock circuit, master controller reset circuit and master control
Device interface is expanded circuit and is connect with master controller chip；Master controller power circuit is used to supply to the master controller module
Electricity；Master controller storage circuit is used to store the operational data of master controller module；Master controller clock circuit is total for providing
The clock signal of controller chip；Master controller reset circuit is for providing the reset signal of master controller chip；Master controller
Interface expands the communication interface that circuit is used to expand master controller chip, to connect external communication device；Master controller chip
For controlling the work of the master controller module.
In the specific implementation, master controller chip can use the single-chip microcontroller of model STM32F103ZET6；Locating module
Including Beidou positioning module and GPS positioning module.
Meanwhile it includes that circuit is expanded in RS485 communication, ethernet communication expands circuit, fixed that master controller interface, which expands circuit,
Circuit is expanded in position module communication, circuit is expanded in PCI communication and circuit is expanded in HDMI communication；RS485 communication expand circuit for pair
RS485 communication interface is expanded, so as to connect the external equipment of several RS485 communication simultaneously；Ethernet communication is opened up
Exhibition circuit is set for expanding to ethernet interface so as to connect the outside of several ethernet communications simultaneously
It is standby；Locating module communication expands circuit and is used to expand the communication interface of locating module, several so as to connect simultaneously
A locating module, such as connection Beidou positioning module and/or GPS positioning module；PCI communication expands circuit and is used to communicate PCI
Interface is expanded, so as to connect the external equipment of several PCI communication, such as the connection existing SCADA of power grid simultaneously
Data collection system simultaneously obtains real-time data of power grid；HDMI communication expands circuit and is used to expand HDMI communication interface, from
And the external equipment of several HDMI communication can be connected simultaneously, for example connection display is shown.
The workflow of master controller module are as follows: after system electrification, initialized, judge circuit-breaker status.If no
In "on" position, combined floodgate program is executed, carries out breaker mechanic property data sampling during conjunction (divides) lock；If it is combined floodgate
State, judge intelligent object (including locating module, data acquisition module, data expand module, metering module, monitoring module, guarantor
The shield modules such as module and decision-making module) whether power on, judgement carries out data acquisition, then operation metering, monitoring, protection after powering on
With intelligent decision module, then the storage and display of data are carried out, data are uploaded into station level in real time finally by communication interface
Network.
Be illustrated in figure 4 the functional block diagram of data acquisition module of the invention: data acquisition module includes data acquisition
Module data collection card, data acquisition module power circuit, data acquisition module reset circuit, data acquisition module signal condition
Circuit and data acquisition module signal conversion circuit；Data acquisition module signal conditioning circuit, the conversion of data acquisition module block signal
Circuit and data acquisition module data collecting card are sequentially connected in series；Data acquisition module reset circuit is adopted with data acquisition module data
Truck connection；Current transformer and the signal of voltage transformer output carry out signal by data acquisition module signal conditioning circuit
Filtering and conditioning after, then data acquisition module data collecting card requirement is converted to by data acquisition module signal conversion circuit
Level signal, and be uploaded to data acquisition module data collecting card；Data acquisition module reset circuit is used to acquire to data
Module data collection card provides reset signal；Data acquisition module data collecting card is for acquiring data and the data by acquisition
Pass master controller module；Data acquisition module power circuit is used to power to the data acquisition module.
In the specific implementation, data collecting card can use PCI-10024 capture card；Signal conditioning circuit passes mutual inductor
The current signal come is converted to the 4-20mA current signal of standard, and voltage signal is converted to normal voltage of the absolute value in 10
Signal, so that data collecting card be facilitated to carry out data acquisition.
Data collecting card carries out the acquisition of data, processing, mainly acquisition current transformer and voltage transformer data, electricity
The AC220V power supply of power interface is converted to power supply needed for data collecting card by source circuit, and reset circuit returns system or circuit
Original state, the current signal that signal conditioning circuit transmits mutual inductor is converted to the 4-20mA current signal of standard, by voltage
Signal is converted to standard voltage signal of the absolute value in 10, and current signal is converted to voltage and believed by current/voltage converter circuit
Number for capture card acquire.
The workflow of data acquisition module are as follows: after system electrification, initialized, after detecting signal, carry out letter
Number conditioning and signal conversion, by current signal are converted to voltage signal, then carry out the acquisition of data, finally carry out data and deposit
Storage and transmission.
Be illustrated in figure 5 the functional block diagram that data of the invention expand module: it includes that data are expanded that data, which expand module,
Module power supply circuit, data expand module data collection card, data expand module resets circuit and data are expanded module by signal and turned
Change circuit；Data expand module resets circuit and data expand module by signal conversion circuit and expand module data collection with data
Card connection；Data expand module power supply circuit and are used to expand module for power supply to the data；Data are expanded module resets circuit and are used
Reset signal is provided in expanding module data collection card to the data；Data expansion module by signal conversion circuit is used for will be external
The data of input are converted to data and expand the level signal of module data collection card request, and upload data expansion module data and adopt
Truck；Data expand module data collection card for acquiring data and uploading master controller module.
In the specific implementation, data collecting card can equally use PCI-10024 data collecting card.
Data collecting card carries out the acquisition of data, processing, mainly acquires the data that each sensor transmits, including breaker
Each electricity consumption loop current of mechanical property data, circuit breaker switch state, system, system voltage, frequency, ground resistance etc., power supply
The AC220V power supply of power interface is converted to power supply needed for data collecting card by circuit, and reset circuit returns system or circuit just
Current signal is converted to voltage signal and acquired for capture card by beginning state, current/voltage converter circuit.
The workflow of data expansion module are as follows: after system electrification, initialized, after detecting signal, carry out letter
Number conversion, current signal is converted into voltage signal, then carry out data acquisition, finally carry out data storage and transmission.
Be illustrated in figure 6 the functional block diagram of metering module of the invention: metering module include metering module power circuit,
Metering module metering chip, metering module controller chip, metering module controller reset circuit, metering module controller clock
Circuit, metering module metering chip reset circuit and metering module storage circuit；Metering module metering chip, metering module control
Device reset circuit, metering module controller clock circuit and metering module storage circuit connect with metering module controller chip
It connects；Metering module metering chip reset circuit is connect with metering module metering chip；Externally input sampled signal directly inputs
Electrical energy measurement is carried out to metering module metering chip；Metric results are uploaded metering module controller core by metering module metering chip
Piece；Metering module controller chip uploads master controller module for controlling metering module work, and by received continuous data；
Metering module controller reset circuit is used to provide reset signal to metering module controller chip；Metering module controller clock
Circuit is used to provide clock signal to metering module controller chip；Metering module metering chip reset circuit is used to give metering mould
Block metering chip provides reset signal；Metering module storage circuit is used to store the operational data of the metering module.
In the specific implementation, metering chip can use the metering chip of model ADE9153A；Controller chip can be with
Using the metering chip of model STM32F103ZET6；Storage circuit can use SRAM memory.
Metering chip carries out the calculating of electric energy, and single-chip microcontroller carries out the working process of data, and power circuit is by power interface
Power supply needed for AC220V power supply is converted to metering chip, single-chip microcontroller and SRAM memory, reset circuit restore system or circuit
To original state, SRAM memory stores nearly one month energy information, and metering module passes through SPI interface and external communication.
The workflow of metering module are as follows: after metering module powers on, initialized first, when detecting voltage, electric current
After data-signal, data are pre-processed, measured and are analyzed using metering chip and DSP, finally carries out the storage of data.When
When having transmission request of data, metering plate is spread out of data by SPI communication modes.
Be illustrated in figure 7 the functional block diagram of monitoring module of the invention: monitoring module include monitoring module power circuit,
Monitoring module controller chip, monitoring module driving circuit, monitoring module clock circuit, monitoring module reset circuit, monitoring mould
Block storage circuit and monitoring module telecommunication circuit；Monitoring module driving circuit, monitoring module clock circuit, monitoring module reset electricity
Road, monitoring module storage circuit and monitoring module telecommunication circuit are connect with monitoring module controller chip；Monitoring module power supply
Circuit is used to power to the monitoring module；Monitoring module controller chip obtains institute for controlling the monitoring module work
It states the monitoring information of novel intelligent isolation circuit breakers and exports control signal and pass through monitoring module driving circuit drive actions mechanism
Movement；Monitoring module clock circuit is used to provide clock signal to monitoring module controller chip；Monitoring module reset circuit is used
In to monitoring module controller chip provide reset signal；Monitoring module storage circuit is used to store the work of the monitoring module
Parameter；Monitoring module telecommunication circuit is communicated for the monitoring module with external equipment.
In the specific implementation, controller chip can use the dsp chip of model TMS320F2833；Driving circuit can
To be driven using PLC controller；Storage circuit can use SRAM storage circuit.
Monitor board mainly monitors the mechanical property of breaker, including divide-shut brake coil current, moving contact of breaker stroke position
Shifting signal and breaker port state.Dsp chip is responsible for data processing, analysis, and it is complete that PLC controller controls circuit breaker operation mechanism
Ingredient shutting-brake control, can control on the spot and remotely control, power circuit by the AC220V power supply of power interface be converted to DSP,
Power supply needed for PLC controller and SRAM memory, reset circuit are to restore system or circuit to original state, and clock circuit is protected
Card system components carry out step by step, and the SRAM memory expanded by despreading circuit outside SRAM memory stores nearly one month
The mechanical property data of breaker, the data handled are by the DSP RS-485 serial ports carried and external communication.
The workflow of monitoring module are as follows: after monitoring module powers on, initialized first, when detecting breaker mechanical
After performance data, mechanical property data processing, analysis are carried out, when receiving divide-shut brake signal, driving PLC completes divide-shut brake behaviour
Make, finally carries out the storage of data.When there is request of data, monitor board is spread out of data by RS-485 communication modes.
Be illustrated in figure 8 the functional block diagram of protective module of the invention: protective module include protective module power circuit,
Protective module A/D converter circuit, protective module controller chip, protective module clock circuit, protective module reset circuit, protection
Module storage circuit, protective module telecommunication circuit and protective module driving circuit；When protective module A/D converter circuit, protective module
Clock circuit, protective module reset circuit, protective module storage circuit, protective module telecommunication circuit and protective module driving circuit are equal
It is connect with protective module controller chip；Protective module power circuit is used to power to the protective module；Protective module AD turns
Circuit is changed for externally input detection signal to be converted to digital signal and uploads protective module controller chip；Protective module
Controller chip controls signal according to the detection signal output protection of upload, and lead to for controlling the protective module work
Overprotection module drive circuit output driving signal drives executing agency's work；Protective module clock circuit is used for protective module
Controller chip provides clock signal；Protective module reset circuit is used to provide reset signal to protective module controller chip；
Protective module storage circuit is used to store the operational data of the protective module；Protective module telecommunication circuit is used for the protection mould
Block is communicated with external equipment.
In the specific implementation, controller chip can use the dsp chip of model TMS320F2833；Driving circuit can
To be driven using PLC controller；Storage circuit can use SRAM storage circuit.
Protection board has short-circuit protection, three kinds of under-voltage protection, ground protection defencive functions, and the information of detection is electric current, electricity
Pressure and ground resistance.Single-chip microcontroller is mainly responsible for the processing of data, analysis, and power circuit converts the AC220V power supply of power interface
The simulation comprising detection information that will be transmitted for power supply needed for single-chip microcontroller, PLC controller and SRAM memory, A/D conversion circuit
Amount is converted to corresponding digital quantity, and clock circuit guarantees that system components carry out step by step, and reset circuit is by system or electricity
Road is restored to original state, and SRAM memory stores a nearly month electric current, voltage and ground resistance data, and RS-485 expands circuit
RS-485 interface is expanded out, for single-chip microcontroller and PLC controller communication and protective module and external communication.
The workflow of protective module are as follows: after protective module powers on, initialized first, it is electric needed for protection when detecting
After stream, voltage and ground resistance data, carry out data prediction using A/D conversion circuit, then by single-chip microcontroller carry out data processing,
Analysis, judge data whether overcurrent, under-voltage, ground connection is abnormal, if it is determined that data exception, drives PLC controller, control breaker
Separating brake finally carries out data storage.When there is request of data, protection board is spread out of data by RS-485 communication modes.
Be illustrated in figure 9 the functional block diagram of decision-making module of the invention: the decision-making module includes decision-making module electricity
Source circuit, decision-making module FPGA, decision-making module controller chip, decision-making module storage circuit, decision-making module telecommunication circuit, decision
Module controls clock circuit, decision-making module control reset circuit, decision-making module FPGA clock circuit and decision-making module FPGA and resets
Circuit；Decision-making module FPGA, decision-making module storage circuit, decision-making module telecommunication circuit, decision-making module control clock circuit and determine
Plan module control reset circuit is connect with decision-making module controller chip；Decision-making module FPGA clock circuit and decision-making module
FPGA reset circuit is connect with decision-making module FPGA；Decision-making module power circuit is used to power to the decision-making module；Decision
Module FPGA is for obtaining decision data and uploading decision-making module controller chip；Decision-making module controller chip is for controlling institute
Decision-making module work is stated, made a policy according to the decision data of upload and passes through decision-making module telecommunication circuit and external equipment progress
Communication；Decision-making module storage circuit is used to store the operational data of the decision-making module；Decision-making module control clock circuit is used for
Clock signal is provided to decision-making module controller chip；Decision-making module control reset circuit is for giving decision-making module controller chip
Reset signal is provided；Decision-making module FPGA clock circuit is used to provide clock signal to decision-making module FPGA；Decision-making module FPGA
Reset circuit is used to provide reset signal to decision-making module FPGA.
In the specific implementation, FPGA can use the fpga chip of model EP2C8Q208C8N；Controller chip can be with
Using the dsp chip of model TMS320F28335；Storage circuit can use SRAM storage circuit.
Decision-making module major function includes being assessed breaker health status and being reminded maintenance and fault statistics (failure
Number statistics and trouble location statistics) and drawn up a tentative program by fault model library and expert tactics library.Power circuit is by power supply
Power supply needed for the AC220V power supply of interface is converted to FPGA, DSP and SRAM memory list, clock circuit guarantee system components one
Progress is walked, reset circuit makes system or circuit return original state, the SRAM expanded by despreading circuit outside SRAM memory
Memory, storage each time failure when fault data and breaker health information, decision-making module by RS-485 with
PC machine Communication.
The workflow of decision-making module are as follows: after decision-making module powers on, initialized first, then whether judge breaker
Failure.When breaker operates normally, breaker information is acquired, then information analysis, comparison, finally export breaker
Health status issues maintenance when circuit-breaker status is less healthy in time and reminds.When circuit breaker failure, fault data is received
Collection, then carries out failure data analyzing, finally output analysis result and scheme.
Claims (10)
1. a kind of novel intelligent isolation circuit breakers, it is characterised in that including isolation circuit breakers, current transformer, voltage transformer,
Master controller module, locating module, data acquisition module, data expand module, metering module, monitoring module, protective module and
Decision-making module；Locating module, data acquisition module, data expand module, metering module, monitoring module, protective module and decision
Module is connect with master controller module；Current transformer connection isolation circuit breakers simultaneously sample the electric current letter for flowing through isolation circuit breakers
Number；The output end connection data acquisition module and metering module of current transformer simultaneously upload the current signal of sampling；Voltage is mutual
Sensor connection isolation circuit breakers and the voltage signal for sampling isolation circuit breakers；The output end of voltage transformer connects data acquisition module
Block and metering module simultaneously upload the voltage signal of sampling；Locating module is used to obtain location information and the upload of isolation circuit breakers
Master controller module；Data acquisition module is used to acquire the current data of isolation circuit breakers, and obtains data simultaneously from SCADA system
Upload master controller module；Data expand the interface that module is used to extend master controller module, and obtain data from SCADA system
And upload master controller module；Metering module is used for the electrical energy measurement of intelligent isolation circuit breakers and continuous data is uploaded master control
Device module；Monitoring module is used to monitor the work state information of the intelligent isolation circuit breakers and uploads master controller module；It protects
Module is protected for the operational data according to the novel intelligent isolation circuit breakers, protection signal is generated and simultaneously uploads master controller mould
Block；Decision-making module uploads the result of decision for being made decisions according to the operational data of the novel intelligent isolation circuit breakers
Master controller module.
2. novel intelligent isolation circuit breakers according to claim 1, it is characterised in that the current transformer is optical fiber
Current transformer, and the Fibre Optical Sensor ring of optical fiber current mutual inductor is embedded in the annular groove of isolation circuit breakers flange, transmission
Optical fiber passes through inside the exterior insulation of lower posts set pipe insulation layer, and transmission fiber is passed through in insulating layer using spiral
Portion, transmission fiber upper end by the sensor fibre welding of the aperture of flange and sensing unit, insulating sleeve lower end transmission fiber with
Data acquisition module connection.
3. novel intelligent isolation circuit breakers according to claim 2, it is characterised in that the master controller module includes
Master controller chip, master controller storage circuit, master controller clock circuit, master controller reset circuit, master controller power supply
Circuit and master controller interface expand circuit；Master controller storage circuit, master controller clock circuit, master controller reset circuit
Circuit is expanded with master controller interface to connect with master controller chip；Master controller power circuit is used for the master controller
Module for power supply；Master controller storage circuit is used to store the operational data of master controller module；Master controller clock circuit is used for
The clock signal of master controller chip is provided；Master controller reset circuit is for providing the reset signal of master controller chip；Always
Control unit interface expands the communication interface that circuit is used to expand master controller chip, to connect external communication device；Master control
Device chip is used to control the work of the master controller module.
4. novel intelligent isolation circuit breakers according to claim 3, it is characterised in that the master controller interface is expanded
Circuit includes that circuit is expanded in RS485 communication, ethernet communication expands circuit, circuit is expanded in locating module communication, PCI communication is expanded
Circuit is expanded in circuit and HDMI communication；RS485 communication expands circuit and is used to expand RS485 communication interface, so as to
The external equipment of several RS485 communication is connected simultaneously；Ethernet communication expands circuit and is used to carry out ethernet interface
It expands, so as to connect the external equipment of several ethernet communications simultaneously；Locating module communication is expanded circuit and is used for fixed
The communication interface of position module is expanded, so as to connect several locating modules simultaneously；PCI communication expand circuit for pair
PCI communication interface is expanded, so as to connect the external equipment of several PCI communication simultaneously；Circuit is expanded in HDMI communication
For being expanded to HDMI communication interface, so as to connect the external equipment of several HDMI communication simultaneously.
5. novel intelligent isolation circuit breakers according to claim 4, it is characterised in that the data acquisition module includes
Data acquisition module data collecting card, data acquisition module power circuit, data acquisition module reset circuit, data acquisition module
Signal conditioning circuit and data acquisition module signal conversion circuit；Data acquisition module signal conditioning circuit, data acquisition module
Signal conversion circuit and data acquisition module data collecting card are sequentially connected in series；Data acquisition module reset circuit and data acquisition module
The connection of block data collecting card；Current transformer and the signal of voltage transformer output pass through data acquisition module signal conditioning circuit
After the filtering and conditioning that carry out signal, then data acquisition module data are converted to by data acquisition module signal conversion circuit and are adopted
Collect the level signal of card request, and is uploaded to data acquisition module data collecting card；Data acquisition module reset circuit is for giving
Data acquisition module data collecting card provides reset signal；Data acquisition module data collecting card is for acquiring data and will acquire
Data upload master controller module；Data acquisition module power circuit is used to power to the data acquisition module.
6. novel intelligent isolation circuit breakers according to claim 5, it is characterised in that the data expand module and include
Data expand module power supply circuit, data expand module data collection card, data expand module resets circuit and data expand mould
Block signal conversion circuit；Data expand module resets circuit and data expand module by signal conversion circuit and expand module with data
Data collecting card connection；Data expand module power supply circuit and are used to expand module for power supply to the data；It is multiple that data expand module
Position circuit, which is used to expand module data collection card to the data, provides reset signal；Data are expanded module by signal conversion circuit and are used
The level signal of module data collection card request is expanded in externally input data are converted to data, and uploads data and expands mould
Block data collecting card；Data expand module data collection card for acquiring data and uploading master controller module.
7. novel intelligent isolation circuit breakers according to claim 6, it is characterised in that the metering module includes metering
Module power supply circuit, metering module metering chip, metering module controller chip, metering module controller reset circuit, metering
Module controller clock circuit, metering module metering chip reset circuit and metering module storage circuit；Metering module metering core
Piece, metering module controller reset circuit, metering module controller clock circuit and metering module storage circuit with metering mould
The connection of block controller chip；Metering module metering chip reset circuit is connect with metering module metering chip；It is externally input to adopt
Sample signal is directly inputted to metering module metering chip and carries out electrical energy measurement；Metric results are uploaded and are counted by metering module metering chip
Measure module controller chip；Metering module controller chip works for controlling metering module, and will be on received continuous data
Pass master controller module；Metering module controller reset circuit is used to provide reset signal to metering module controller chip；Meter
Module controller clock circuit is measured to be used to provide clock signal to metering module controller chip；Metering module metering chip resets
Circuit is used to provide reset signal to metering module metering chip；Metering module storage circuit is for storing the metering module
Operational data.
8. novel intelligent isolation circuit breakers according to claim 7, it is characterised in that the monitoring module includes monitoring
Module power supply circuit, monitoring module controller chip, monitoring module driving circuit, monitoring module clock circuit, monitoring module are multiple
Position circuit, monitoring module storage circuit and monitoring module telecommunication circuit；Monitoring module driving circuit, monitoring module clock circuit,
Monitoring module reset circuit, monitoring module storage circuit and monitoring module telecommunication circuit connect with monitoring module controller chip
It connects；Monitoring module power circuit is used to power to the monitoring module；Monitoring module controller chip is for controlling the monitoring
Module work, obtains the monitoring information of the novel intelligent isolation circuit breakers and to export control signal electric by monitoring module driving
Road drive actions mechanism action；Monitoring module clock circuit is used to provide clock signal to monitoring module controller chip；Monitoring
Module resets circuit is used to provide reset signal to monitoring module controller chip；Monitoring module storage circuit is described for storing
The running parameter of monitoring module；Monitoring module telecommunication circuit is communicated for the monitoring module with external equipment.
9. novel intelligent isolation circuit breakers according to claim 8, it is characterised in that the protective module includes protection
Module power supply circuit, protective module A/D converter circuit, protective module controller chip, protective module clock circuit, protective module
Reset circuit, protective module storage circuit, protective module telecommunication circuit and protective module driving circuit；Protective module AD conversion electricity
Road, protective module clock circuit, protective module reset circuit, protective module storage circuit, protective module telecommunication circuit and protection
Module drive circuit is connect with protective module controller chip；Protective module power circuit is used to supply to the protective module
Electricity；Protective module A/D converter circuit is for being converted to digital signal for externally input detection signal and uploading protective module control
Device chip；Protective module controller chip is exported according to the detection signal of upload and is protected for controlling the protective module work
Shield control signal, and executing agency's work is driven by protective module driving circuit output drive signal；Protective module clock electricity
Road is used to provide clock signal to protective module controller chip；Protective module reset circuit is for giving protective module controller core
Piece provides reset signal；Protective module storage circuit is used to store the operational data of the protective module；Protective module communication electricity
Road is communicated for the protective module with external equipment.
10. novel intelligent isolation circuit breakers according to claim 9, it is characterised in that the decision-making module includes decision
Module power supply circuit, decision-making module FPGA, decision-making module controller chip, decision-making module storage circuit, decision-making module communication electricity
Road, decision-making module control clock circuit, decision-making module control reset circuit, decision-making module FPGA clock circuit and decision-making module
FPGA reset circuit；Decision-making module FPGA, decision-making module storage circuit, decision-making module telecommunication circuit, decision-making module control clock
Circuit and decision-making module control reset circuit are connect with decision-making module controller chip；Decision-making module FPGA clock circuit and certainly
Plan module FPGA reset circuit is connect with decision-making module FPGA；Decision-making module power circuit is used to supply to the decision-making module
Electricity；Decision-making module FPGA is for obtaining decision data and uploading decision-making module controller chip；Decision-making module controller chip is used
In controlling the decision-making module work, is made a policy according to the decision data of upload and pass through decision-making module telecommunication circuit and outside
Equipment is communicated；Decision-making module storage circuit is used to store the operational data of the decision-making module；Decision-making module controls clock
Circuit is used to provide clock signal to decision-making module controller chip；Decision-making module control reset circuit is for giving decision-making module control
Device chip processed provides reset signal；Decision-making module FPGA clock circuit is used to provide clock signal to decision-making module FPGA；Decision
Module FPGA reset circuit is used to provide reset signal to decision-making module FPGA.
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| CN112511017A (en) * | 2020-08-31 | 2021-03-16 | 中国电力科学研究院有限公司 | Intelligent circuit breaking device and method comprising power isolation and digital isolation |
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| CN110401264B (en) | 2022-04-29 |
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