CN108493925A - A kind of exchange electrode difference protection and electric energy intelligent management integration unit - Google Patents
A kind of exchange electrode difference protection and electric energy intelligent management integration unit Download PDFInfo
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- CN108493925A CN108493925A CN201810214686.2A CN201810214686A CN108493925A CN 108493925 A CN108493925 A CN 108493925A CN 201810214686 A CN201810214686 A CN 201810214686A CN 108493925 A CN108493925 A CN 108493925A
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- breaker
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of exchange electrode difference protection and electric energy intelligent management integration units; substitute higher level's breaker and subordinate's breaker in traditional circuit with electric energy intelligent management integration unit, in circuit directly under higher level's intelligent management integration unit several subordinate's intelligent management integration units in parallel；Each intelligent management integration unit includes an Intelligent management module and a breaker, and Intelligent management module controls breaker.Actuation time and the action current of higher level's breaker and subordinate's breaker are set in Intelligent management module by CPU processing modules, the action current of higher level's breaker is set to be more than the action current of subordinate's breaker, the actuation time of higher level's breaker is more than the actuation time of subordinate's breaker.The present invention cancels the quick-break function of breaker, and the disjunction of breaker is controlled using CPU, and the action of breaker can be determined from two parameters of time and electric current, the generation for jump of intelligently avoiding bypassing the immediate leadership.
Description
【Technical field】
The invention belongs to smart circuit management domain, especially a kind of exchange electrode difference protection and electric energy intelligent management synthesis dress
It sets.
【Background technology】
Household electricity is one of power consumption main channel, and with the development of economy and scientific and technological level, home-use electricity is got over
Come bigger.Exchange mold cased circuit breaker is using protection switch and the electric leakage that place the most universal is exactly resident's ammeter lower end
Protection switch, has been realized in the state of a family one switch at present.
During household electricity, the breaker meeting automatic trip when line short, electric leakage, overload, to protect electrical equipment
And the function of next stage circuit.If there is " refusing to jump " situation in operation in breaker, will to entire circuit system formed compared with
Big threat.Once a certain unit breaks down, breaker tripping, it will cause upper level circuit breaker trip, be known as jump of bypassing the immediate leadership
Lock.Breaker tripping of bypassing the immediate leadership will expand forced outage range, result even in system sectionalizing sometimes, cause large-area power-cuts
Serious accident.Therefore, refuse to jump the harmfulness bigger than refusing crossed belt.Jump event of bypassing the immediate leadership often has following several reasons：The
Action command, but breaker tripping are sent out, higher level's breaker is caused to bypass the immediate leadership first, short-circuit or electric leakage accident, subordinate's breaker occurs
It jumps.Second is that breaker does not send out action command, and higher level's breaker preferentially has issued action command.Third is the superior and the subordinate's open circuit
Device receives action command simultaneously, and since the sensitivity of mechanism action is different, higher level's high sensitivity causes first to act tripping.
【Invention content】
It is an object of the invention to overcome the above-mentioned prior art, a kind of exchange electrode difference protection of proposition and electric energy intelligence
Management comprehensive device.There is provided one kind for the third jump event of bypassing the immediate leadership can be when the superior and the subordinate be detected simultaneously by fault-signal
Ensure that subordinate's breaker preferentially trips, the device for jump of bypassing the immediate leadership is isolated, the huge failure generated damage is jumped to avoid bypassing the immediate leadership.Exist simultaneously
The electric energy management module of device is managed statistical analysis to electric energy behaviour in service, realizes the function of remote signalling, telemetering, remote control.It carries
For anti-electricity-theft reference information.
In order to achieve the above objectives, the present invention is achieved by the following scheme：
A kind of exchange electrode difference protection and electric energy intelligent management integration unit, including Intelligent management module and connected to it
Breaker；Intelligent management module includes sequentially connected pulse statistical module, sampling module, CPU processing modules and tripping mechanism；
The signal input part of pulse statistical module in circuit A phases and B be connected, the signal output end of tripping mechanism connects with breaker
It connects；
Further improvement of the present invention is：
Pulse statistical module is used for the pulse signal of A phases and B phases and statistics electricity in Acquisition Circuit；
Sampling module is used for the electric current and voltage of A phases and B phases in Acquisition Circuit, while the result of sampling is transferred to CPU
Processing module；
Actuation time and the action current of higher level's breaker and subordinate's breaker is set separately in CPU processing modules；CPU processing
Module sets action current of the action current more than subordinate's breaker of higher level's breaker, and the actuation time of higher level's breaker is longer than
The actuation time of subordinate's breaker；
For tripping mechanism for cutting off breaker, tripping mechanism is controlled by CPU processing modules.
The pulse statistical module includes pulse counter module and clock count module；
Pulse counter module is used for the pulse signal of A phases and B phases in Acquisition Circuit；
Clock count module is for providing the current time that the present apparatus uses.
It is provided with another bars between the pulse statistical module and CPU processing modules and propagates circuit, pulse counts mould
Block counts information about power, information about power is transferred to electric energy management module, electric energy management module records and judges whether user steals
Electricity；Such as user's stealing, by data information transfer to remote control module；Remote control module is 4G signal processing units, is passed through
4G network transmission data information to staff cell phone application；Staff assigns in cell phone application and instructs and passed by 4G networks
It send to remote control module and CPU processing modules, CPU processing modules execute instruction.
When the electric energy management module judges whether stealing, following operation is executed：
1) when the electricity of the electricity ＞ electric supply meters of pulse statistical module counts record, judge that there are electricity stealings, will count
It is believed that breath is transferred to remote control module；
2) when the electricity of the electricity of pulse statistical module counts≤electric supply meter record, judge that electricity stealing is not present, after
Continuous monitoring and record electricity.
The CPU processing modules are additionally operable to the collected signal of acquisition module carrying out analyzing processing, when decision circuitry system
When something goes wrong, for transmission alarm signal to remote control module, remote control module sends alarm signal to staff to system
Cell phone application；Staff assigns action command by cell phone application and remote control module to CPU processing modules.
It is provided with SQL database in the electric energy management module.
Compared with prior art, the invention has the advantages that：
The present invention relates to a kind of exchange electrode difference protection and electric energy intelligent management integration units, are integrated and are filled with electric energy intelligent management
The higher level's breaker and subordinate's breaker substituted in traditional circuit is set, in circuit directly under higher level's intelligent management integration unit simultaneously
Join several subordinate's intelligent management integration units；Each intelligent management integration unit includes an Intelligent management module and one
Breaker, Intelligent management module control breaker, user terminal breaker and earth leakage circuit breaker are combined into one.Intelligent management
Actuation time and the action current for setting higher level's breaker and subordinate's breaker in module by CPU processing modules keep higher level disconnected
The action current of road device is more than the action current of subordinate's breaker, and the actuation time of higher level's breaker is more than the dynamic of subordinate's breaker
Make the time, action current and the concrete numerical value of actuation time are specifically set according to use site actual conditions.The present invention will be breaking
The quick-break function of device is cancelled, and the disjunction of breaker is controlled using CPU, can determine breaker from two parameters of time and electric current
Action, the generation for jump of intelligently avoiding bypassing the immediate leadership.
Further, pulse statistical module of the invention includes pulse counter module and clock count module, step-by-step counting
Module is used for Acquisition Circuit pulse information, and for clock count module for providing the current time that the present apparatus uses, the two combines can
The information about power in a period of time is recorded, and statistics information about power is sent to electric energy management module.
Further, the present invention is provided with another bars line of propagation between pulse statistical module and CPU processing modules
Road, including electric energy management module and remote control module.Pulse statistic device is connected in series to inside subscriber's drop, is united by pulse
Counter device calculates user power consumption, and collected information about power is compared with ammeter data at analysis by electric energy management module
After reason, electricity stealing is judged whether there is；When judging to have electricity stealing, relevant information is passed through remote control by electric energy management module
Module is sent to the cell phone application of staff, and staff can assign cut-out by cell phone application and remote control module to CPU
Customer power supply is cut off in instruction.Remote control module is 4G signal processing units, and remote control module believes stealing information or failure
Breath is converted to 4G signals, by 4G transmission of network to staff；Staff will handle information by 4G transmission of network to remote
4G signals are converted to the identifiable signal of CPU processing modules by process control module, remote control module, make CPU processing module roots
It is operated according to dependent instruction.Staff is being received in cell phone application there are when electricity stealing information, can pass through cell phone application
Cut-out instruction is assigned to CPU with remote control module, cuts off customer power supply.
Further, the electricity that electric energy management module is recorded by the electricity and electric supply meter that compare pulse statistical module counts
Amount, judges whether electricity stealing.
Further, the collected signal of acquisition module can also be carried out analyzing processing by CPU processing modules, when CPU processing
Module according to the collected INFORMATION DISCOVERY circuit system of sampling module there are when problem, can by remote control module will it is related therefore
Barrier information is sent in the cell phone application of staff.Staff can pass through hand when receiving fault message in cell phone application
Machine APP and remote control module assign cut-out instruction to CPU, cut off customer power supply, realize the function of remote signalling, telemetering, remote control.
Further, the present invention is provided with SQL database in electric energy management module, can the acquisition of store pulse statistical module
To information such as electricity consumptions in Various Seasonal and different time sections, and the information of storage is fed back into power supply department, convenient for power supply
Department grasps the electricity consumption of the high ebb of electricity consumption, and during ensureing peak of power consumption or ebb, power supply department is powered according to electricity consumption,
Preferably realize the intelligent management of electrical power distribution.
【Description of the drawings】
Fig. 1 is the Graded coordination figure before user of the present invention improves；
Fig. 2 is user's Graded coordination figure using the present invention；
Fig. 3 is user's Graded coordination figure of the Intelligent management module and breaker of higher level and subordinate in the present invention；
Fig. 4 is the structural schematic diagram of electric energy intelligent management integration unit of the present invention.
【Specific implementation mode】
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to the Graded coordination figure that Fig. 1 is traditional upper and lower grade breaker, the setting of traditional breaker actuation electric current is specified
Ten times of electric current are quick-break operating space, and the short circuit current of circuit often exceeds 10 times of all breaker rated currents even
More, therefore the superior and the subordinate's breaker of all series connection in the line is all in actuating range；When there is short circuit current, breaker
Action the tripping sequence of higher level's breaker and subordinate's breaker is determined according to the sensitivity of breaker itself completely, it is likely that
Appearance higher level's breaker, which is first jumped, leads to large area blackout.
Referring to Fig. 2 and Fig. 3, present invention electric energy intelligent management integration unit substitute higher level's breaker in traditional circuit and
Subordinate's breaker, in circuit directly under higher level's intelligent management integration unit several subordinate's intelligent management integration units in parallel；
Each intelligent management integration unit includes an Intelligent management module and a breaker.
Referring to Fig. 3 and Fig. 4, each Intelligent management module of the invention controls a breaker, and Intelligent management module includes
Pulse statistical module, sampling module, CPU processing modules, tripping mechanism, electric energy management module and remote control module.The present invention
Current user terminal breaker and earth leakage circuit breaker are combined into one.By the zero curve and firewire of user, i.e., A phases of the invention with
B phases are connect with pulse statistical module, the signal input sources as present apparatus data；The open circuit of the subordinate of tripping mechanism and terminal user
Device connects, for cutting off subordinate's breaker；Pulse statistical module, sampling module, CPU processing modules and tripping mechanism connect successively
It connects；There is an other bars to propagate circuit between pulse statistical module and CPU processing modules, i.e., sequentially connected pulse statistics
The cell phone application of module, electric energy management module, remote control module and CPU processing modules, remote control module and staff are logical
Cross 4G network connections；Remote control module and CPU processing modules can two-way propagation data；Remote control module and cell phone application can
Two-way propagation data；Pulse statistical module includes pulse counter module and clock count module；It is provided in electric energy management module
SQL database.
Sampling module is used to acquire the electric current and voltage of A phases and B phases, while the result of sampling is transferred to CPU and handles mould
Block, the criterion as processing；
Actuation time and the action current of higher level's breaker and subordinate's breaker is set separately in CPU processing modules；CPU processing
Module sets action current of the action current more than subordinate's breaker of higher level's breaker, and the actuation time of higher level's breaker is longer than
The actuation time of subordinate's breaker；
CPU processing modules can also mutually transmit signal with remote control module；When CPU processing modules adopt acquisition module
Discovery circuit system there are when failure or the failure of CPU processing parameters, alarm by transmission after the signal collected carries out analyzing processing
Signal is sent to the cell phone application of staff to remote control module；When staff assigns handling failure instruction or hair
When going out disconnected lock instruction, CPU processing modules receive instruction by remote control module, execute operation.
For tripping mechanism for cutting off this grade of breaker, tripping mechanism is controlled by CPU processing modules.
Pulse statistical module is used for the pulse signal of A phases and B phases and statistics electricity, pulse statistical module packet in Acquisition Circuit
Include pulse counter module and clock count module；Pulse counter module is used for the pulse signal of A phases and B phases in Acquisition Circuit, when
Clock counting module is for providing the current time that the present apparatus uses；Pulse counter module and clock count module combine and can count
It calculates in a period of time and uses electricity.
Electric energy management module unites pulse for information about power in a period of time of recording impulse statistical module counts
The electricity of meter module statistics is compared with the electricity that electric supply meter records, and executes following operation：
1) when the electricity of the electricity ＞ electric supply meters of pulse statistical module counts record, judge that there are electricity stealings, will count
It is believed that breath is transferred to remote control module；
2) when the electricity of the electricity of pulse statistical module counts≤electric supply meter record, judge that electricity stealing is not present, after
Continuous monitoring and record electricity.
Remote control module is 4G signal processing units, the letter for giving electric energy management module or CPU processing modules
Breath is converted to 4G signals, and sends the cell phone application of staff to；Remote control module is also used for receiving staff passing through hand
4G signals are converted to the digital signal that CPU processing modules can identify, and pass to CPU by the instruction that machine APP is assigned.
The present invention is by the cooperation between modules, it can be achieved that following function：
(1) it is adjusted by actuation time to higher level's breaker and subordinate's breaker and action current, isolation open circuit
The jump of bypassing the immediate leadership of device；
There are actuation time and action current and the subordinate's breaker of program setting higher level's breaker in CPU processing modules
Actuation time and action current so that the action current of higher level's breaker is more than the action current of subordinate's breaker, higher level's open circuit
The actuation time of device is longer than the actuation time of subordinate's breaker；Sampling module acquires the electric current and voltage of A phases and B phases, is transferred to
CPU processing modules, CPU identify circuit by current value it is excessive, then the program in CPU processing modules makes tripping mechanism execute
Disconnected lock operation, it is preferential to cut off subordinate's breaker, do not send out cut-out higher level's breaker after cut-out within current reverts normal value then
Instruction continues up a grade breaker and sends out cut-out instruction if still having overcurrent condition, and so on, whole process is complete
Full isolation circuit breakers are bypassed the immediate leadership the possibility of jump.
(2) user's stealing event is judged whether
By the pulse counter module and clock count module in pulse statistical module, user's electricity is calculated, by electricity
Information is transferred to electric energy management module, the electricity consumption for obtaining pulse counter module in electric energy management module and ammeter data into
Row compares, and judges whether there is electricity stealing.
(3) the electricity consumption situation for counting Various Seasonal different periods, feeds back to electric administrative department
By the pulse counter module and clock count module in pulse statistical module, counting user Various Seasonal is different
Period uses charge condition, counts electricity service condition using SQL data records, generates the information such as report, correlation is tied
Fruit feeds back to power supply department, facilitates power supply department monitoring electricity consumption situation and rationally powers.
(4) it is realized by the cell phone application of remote control module and staff interactive.
When electric energy management module judges individual user, there are electricity stealing or CPU processing modules by data acquisition module
When the collected signal of block carries out discovery circuit after analyzing processing and breaks down, electric energy management module is by stealing information, CPU processing
Fault message is converted to 4G signals by remote control module and is transferred in the cell phone application of staff by module.
Staff can assign cut-out instruction, cut-out is used by remote control module when receiving stealing information to CPU
Family powers；When staff receives fault information, tripping mechanism action command is given by CPU processing modules, is segmented
Breaker prevents fault spread.
Staff can also pass through the electricity consumption situation of cell phone application real time inspection user.
In conclusion the present invention by CPU processing modules set higher level's breaker and subordinate's breaker actuation time and
Action current, can prevent breaker bypass the immediate leadership jump the case where；Increase electric energy management module and remote control module simultaneously, passes through pulse
The electricity of statistical module acquisition and ammeter data comparison judge whether electricity stealing；Simultaneously by pulse counter module and when
Clock counting module counts the electricity consumption in Various Seasonal different time sections, information data recording is stored in SQL data, instead
It feeds power supply department；By remote control module, realize that failure and stealing information are timely feedbacked to staff, staff
Action command can be assigned to CPU processing modules by cell phone application.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (6)
1. a kind of exchange electrode difference protection and electric energy intelligent management integration unit, which is characterized in that including Intelligent management module and
Breaker connected to it；Intelligent management module includes sequentially connected pulse statistical module, sampling module, CPU processing modules
And tripping mechanism；The signal input part of pulse statistical module in circuit A phases and B be connected, the output of the signal of tripping mechanism
End is connect with breaker；
Pulse statistical module is used for the pulse signal of A phases and B phases and statistics electricity in Acquisition Circuit；
Sampling module is used for the electric current and voltage of A phases and B phases in Acquisition Circuit, while the result of sampling is transferred to CPU processing
Module；
Actuation time and the action current of higher level's breaker and subordinate's breaker is set separately in CPU processing modules；CPU processing modules
The action current for setting higher level's breaker is more than the action current of subordinate's breaker, and the actuation time of higher level's breaker is longer than subordinate
The actuation time of breaker；
For tripping mechanism for cutting off breaker, tripping mechanism is controlled by CPU processing modules.
2. a kind of exchange electrode difference protection according to claim 1 and electric energy intelligent management integration unit, which is characterized in that arteries and veins
It includes pulse counter module and clock count module to rush statistical module；
Pulse counter module is used for the pulse signal of A phases and B phases in Acquisition Circuit；
Clock count module is for providing the current time that the present apparatus uses.
3. a kind of exchange electrode difference protection according to claim 1 or 2 and electric energy intelligent management integration unit, feature exist
In being provided with another bars between pulse statistical module and CPU processing modules and propagate circuit, pulse statistical module counts electricity
Information about power is transferred to electric energy management module by information, electric energy management module record and judge user whether stealing；As user steals
Electricity, by data information transfer to remote control module；Remote control module is 4G signal processing units, and number is sent by 4G networks
It is believed that cell phone application of the breath to staff；Staff assigns in cell phone application and instructs and by 4G transmission of network to remote control
Module and CPU processing modules, CPU processing modules execute instruction.
4. a kind of exchange electrode difference protection according to claim 3 and electric energy intelligent management integration unit, which is characterized in that electricity
When energy management module judges whether stealing, following operation is executed：
1) when the electricity of the electricity ＞ electric supply meters of pulse statistical module counts record, judge that there are electricity stealings, and data are believed
Breath is transferred to remote control module；
2) when the electricity of the electricity of pulse statistical module counts≤electric supply meter record, judge that electricity stealing is not present, continue to supervise
Control and record electricity.
5. a kind of exchange electrode difference protection according to claim 3 and electric energy intelligent management integration unit, which is characterized in that
CPU processing modules are additionally operable to the collected signal of acquisition module carrying out analyzing processing, when decision circuitry system when something goes wrong,
Alarm signal is transmitted to remote control module, alarm signal is sent to the cell phone application of staff by remote control module；Work
Personnel assign action command by cell phone application and remote control module to CPU processing modules.
6. a kind of exchange electrode difference protection according to claim 3 and electric energy intelligent management integration unit, which is characterized in that electricity
It can be provided with SQL database in management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214686.2A CN108493925A (en) | 2018-03-15 | 2018-03-15 | A kind of exchange electrode difference protection and electric energy intelligent management integration unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810214686.2A CN108493925A (en) | 2018-03-15 | 2018-03-15 | A kind of exchange electrode difference protection and electric energy intelligent management integration unit |
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| Publication Number | Publication Date |
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| CN108493925A true CN108493925A (en) | 2018-09-04 |
Family
ID=63339435
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| CN201810214686.2A Pending CN108493925A (en) | 2018-03-15 | 2018-03-15 | A kind of exchange electrode difference protection and electric energy intelligent management integration unit |
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| CN112736868A (en) * | 2020-12-23 | 2021-04-30 | 国网浙江省电力有限公司金华供电公司 | 5G intelligent distributed distribution network protection system |
| CN116470649A (en) * | 2023-05-09 | 2023-07-21 | 国网山东省电力公司莱西市供电公司 | Power distribution network reliability judging and early warning system based on data communication |
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| CN116470649B (en) * | 2023-05-09 | 2024-06-07 | 国网山东省电力公司莱西市供电公司 | Power distribution network reliability judging and early warning system based on data communication |
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