CN109599850A - A kind of safe early warning type intelligent breaker - Google Patents
A kind of safe early warning type intelligent breaker Download PDFInfo
- Publication number
- CN109599850A CN109599850A CN201811481338.8A CN201811481338A CN109599850A CN 109599850 A CN109599850 A CN 109599850A CN 201811481338 A CN201811481338 A CN 201811481338A CN 109599850 A CN109599850 A CN 109599850A
- Authority
- CN
- China
- Prior art keywords
- module
- early warning
- residual current
- harmonic wave
- mutation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000035772 mutation Effects 0.000 claims abstract description 77
- 238000012545 processing Methods 0.000 claims abstract description 46
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000010891 electric arc Methods 0.000 claims description 30
- 230000000875 corresponding effect Effects 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 10
- 230000002459 sustained effect Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 241000208340 Araliaceae Species 0.000 claims description 4
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 4
- 235000008434 ginseng Nutrition 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
-
- H02J13/0013—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of safe early warning type intelligent breakers, including breaker body, it is characterized by also including electrical signal collection module, temperature collecting module, MCU intelligence control module, network communication modules comprising metering module, wherein electrical signal collection module collection voltages vector value, current phasor value, residual current vector value and MCU intelligence control module is sent by metering acquisition module, program, which is provided with, in MCU intelligence control module calculates sub- journey module, mutation processing module, early warning logic module；Calculate phase current harmonic wave, residual current fundamental wave and residual current harmonic wave numerical value that sub- journey module is calculated, it is sent into early warning logic module, the mutation time section time integral parameter feeding that mutation processing module obtains phase current harmonic wave, residual current fundamental wave and the total harmonic wave of residual current judges sub- journey module；Early warning logic module detects whether overtemperature carries out being alarmed or being powered off control temperature finally by the judgement of early warning logic module hidden danger.
Description
Technical field
The present invention relates to field of circuit breakers, specifically a kind of safe early warning type intelligent breaker.
Background technique
Nearly stage, China's intelligent breaker have developed rapidly, but each producer is equal to " internet+" mode: breaker+logical
Transmission module is interrogated, data are generally still real-time transient data, such as voltage, electric current, power, temperature, leakage current, these parameters
No doubt indispensable, condition monitoring process is alarmed suitable for the thing of safety failure, but is not suitable for electrical safety hidden danger early stage in advance
Monitoring and warning.
On the other hand, fault electric arc is one of the main cause for causing electrical fire high-incidence, and the prior art is recessed using voltage waveform
Fall into feature and implement fault electric arc detection, be very accurate to single electrical appliance, but only end distribution box total input-wire circuit just have it is several
Or dozens of difference electrical appliance, the voltage waveform recess feature of single electrical appliance fault electric arc are flooded by the electrical appliance in numerous work
Not yet, practice is also verified does not have promotional value.
The companies such as Shanghai Hua Su, Xi'an Hua Rui are also developed based on the fault electric arc detection technique of leakage current harmonic wave, such as
The auspicious technology of Xi'an China is related to harmonic leakage stream greater than 100 milliamperes, carries out fault electric arc alarm.China is not for a long time as America and Europe
Developed country strictly implements like that and executes stringent electric appliance harmonic controling standard, and various regions execute lowest bid as bid winner, drum extensively in addition
Energy-saving and emission-reduction policy is encouraged, domestic construction place is largely full of energy-saving and frequency-variable electric appliance and lighting apparatus inferior, without strictly handling handle
Harmonic wave class current drain forms the harmonic current over the ground much larger than 100 milliamperes, to this kind of prior art products to electric appliance casing
Mortality interference, it is serious to report by mistake.
Energy-saving and frequency-variable electric appliance and lighting apparatus inferior that China largely uses simultaneously, and to residual-current electrical fire
Monitoring system causes the arch-criminal of fatal interference, provides data according to Jiangsu fire-fighting army unit, 95% or more has installed electrical fire
Monitoring system performs practically no function, in abandoning state.
At this stage, China's electrical fire is high-incidence, and electrical fire accounting 30% or so in total fire quantity, city ratio is more
It is high by about 50%；And Japanese per capita household electricity consumption is 8 times of China, but electrical fire is accounting is less than 3% in total fire quantity, beauty
State is less than 8%.
The existing civil buildings place that small miniature circuit breaker such as air switch is widely used, because distribution box (box) space has
Limit, it is difficult to install other special electrical safety instrument cooperations again.Electrical safety monitoring and warning --- especially electrical fire prison
It surveys warning function directly to combine with breaker, develops safe early warning type intelligent breaker of new generation, it is electrical at this stage to China
Fire integrated improvement is significant.
Summary of the invention
The object of the present invention is to provide a kind of safe early warning type intelligent breaker, with solve prior art breaker to comprising
In the electrical safety of electric disaster hidden-trouble early stage hidden danger cannot effective monitoring and warning problem, do not have effective fault electric arc
Test problems.
In order to achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of safe early warning type intelligent breaker, including breaker body, it is characterised in that: further include electrical signal collection mould
Block, temperature collecting module, MCU intelligence control module, network communication module comprising metering module, in which:
Electrical signal collection module distinguishes collection voltages, electric current and residual current signal；
Voltage, the electric current of electrical signal collection module acquisition are sent into metering module, by metering module to voltage, current signal
Reason calculates, and obtains mutually powered-down including voltage, electric current, current harmonics, residual current, residual current harmonic wave, power, electric energy
Gas parameter is sent into MCU intelligence control module；
Temperature collecting module acquires circuit breaker internal temperature signal；
MCU intelligence control module is connect with temperature collecting module, obtains circuit breaker internal temperature；
MCU intelligence control module is connect with network communication module, is externally carried out data transmission；
Program, which is provided with, in MCU intelligence control module calculates sub- journey module, mutation processing module, early warning logic module, in which:
It is described to calculate in sub- journey module, circuit breaker internal temperature signal is obtained, early warning logic module is sent into；
It calculates sub- journey module and metering module is calculated into the loop current harmonic wave obtained, residual current harmonic wave, be sent at mutation
Manage module；
It calculates sub- journey module respectively to integrate the time loop current harmonic wave, residual current harmonic wave, obtains each time
Loop current harmonic wave time integral parameter, the residual current harmonic wave time integral parameter of section, are re-fed into early warning logic module；
Mutation processing module finds out the loop current harmonic wave in the presence of mutation, residual current harmonic wave numerical value respectively, opens from mutation
Begin to mutation to terminate, being integrated between loop current harmonic wave, residual current harmonic wave numerical value clock synchronization, obtains returning for mutation time section
Road current harmonics time integral parameter and residual current harmonic wave time integral parameter, are respectively fed to early warning logic module；
In the early warning logic module, overtemperature threshold value, loop current harmonic data thresholds, residual current harmonic wave threshold is respectively set
Value, the loop current harmonic wave time integral threshold value of different time scales, the residual current harmonic wave time integral of different time scales
Threshold value；
In the early warning logic module, if detecting, temperature is more than given threshold, carries out early warning and alarming processing；
In the early warning logic module, if circuit phase line current harmonic wave numerical value or residual current harmonic wave numerical value are more than corresponding humorous
Wave threshold value, and intermittent appearance, there are phase line fault electric arc or fault to ground electric arcs for the judgement of early warning logic module, and carry out early warning
Alert process；
It is in the early warning logic module, each period circuit phase line current harmonic wave time integral parameter or residual current is humorous
Wave time integral parameter is compared with respective threshold, and if more than respective threshold, and sustained intermittent occurs, and judges there is string simultaneously
Join fault electric arc or fault to ground electric arc, and carries out early warning processing；
In the early warning logic module, according to mutation time section duration, the time integral of the corresponding time scale of setting
Threshold value calculates the time integral threshold value for being converted into identical duration；If the circuit phase line current harmonic wave time integral of mutation time section
Parameter or residual current harmonic wave time integral parameter are greater than the respective threshold of the identical duration, and sustained intermittent occurs, and sentences
Disconnected there are series-parallel fault electric arc or fault to ground electric arcs, carry out emergency alarm processing.
A kind of safe early warning type intelligent breaker, it is characterised in that: metering module is to voltage, current signal processing
Calculate obtain residual current fundamental wave, MCU intelligence control module fall into a trap operator journey module calculate by metering module calculate obtain residue electricity
It flows fundamental wave and is sent into mutation processing module, and the residual current dfundamental-harmonic pair time is integrated, obtain the residual current of each period
Fundamental wave time integral parameter is sent into early warning logic module；
It is mutated the residual current fundamental wave parameter that processing module detection has mutation, is terminated since mutation to mutation, surplus
The aftercurrent dfundamental-harmonic pair time is integrated, and the residual current fundamental wave time integral parameter of mutation time section is obtained, and is sent into early warning and is patrolled
Collect module；
In the early warning logic module, setting residual current fundamental wave threshold value, different time scales residual current fundamental wave when
Between integral threshold；
In the early warning logic module, if residual current fundamental wave numerical value is more than respective threshold, there are residual current formulas for judgement
Electrical fire security risk, and carry out early warning and alarming processing；
In the early warning logic module, if the residual current fundamental wave time integral parameter of each period is greater than the corresponding time
Integral threshold judges that the period, there are residual-current electrical fire security risks；
Judge for mutation time section residual current fundamental wave time integral parameter, first according to mutation time section duration, setting
The time integral threshold value for the different time scales set is converted into the time integral threshold value of duration identical as mutation time section, if greatly
In the threshold value, judge that the corresponding period, there are residual-current electrical fire security risks, carried out early warning and alarming processing.
A kind of safe early warning type intelligent breaker, it is characterised in that: the electric operation mechanism including plug-in strip, MCU
Intelligence control module is connect with electric operation mechanism, and network communication module generates control instruction by MCU intelligence control module and is sent into electronic
Operating mechanism, control plug-in strip executes corresponding actions after electric operation mechanism receives control instruction.
A kind of safe early warning type intelligent breaker, it is characterised in that: be provided with zero passage detection in MCU intelligence control module
Module, zero crossing detection module detects voltage, and whether zero passage is used in breaker if MCU intelligence control module issues zero cross signal when zero passage
After the electric operation mechanism of control plug-in strip movement receives control signal, control plug-in strip executes corresponding actions.
Beneficial effects of the present invention
1, the present invention has significant actual effect in early stage hidden danger monitoring and warning: monitoring and warning, which substitutes monitoring alarm, is
The inexorable trend of electrical safety technology development.Electrical early stage hidden danger has the characteristics that weak output signal, variation is slow, data volume is big,
Although under cover various information need to express in these mass datas, most data is both without the valence of local mass storage
Value also uploads to the value of cloud platform without occupying large capacity public-network bandwidth and floating resources.The present invention is used comprising with mutation
Start-stop is the time integral parameter of each period coherent signal on boundary, carries out data aggregate optimization, significant figure is greatly reduced
According to amount, faint hidden danger precision is improved by optimization polymerization, there is significant actual effect in early stage hidden danger monitoring and warning.
2, the present invention can accurately grasp the hidden danger degree in relation to electrical catastrophic event: for gradual change and mutation, usually
The hidden danger integrated value that very short time is mutated the stage can integrate ginseng much larger than the hidden danger of some time transitional stage or steady-state process
Numerical value.If the integral parameter of transitional stage and mutation stage is mixed, just necessarily erase transitional stage and mutation rank
The respective characteristic information of section, Practical significance are greatly reduced.The present invention is used using mutation time section integral parameter as key index
Mutation time integral parameter meaning is more that tracking obtains catastrophic event process, can accurately grasp related electrical catastrophic event
Hidden danger degree.
3, the present invention is safe early warning type internet of things type intelligent breaker, can be monitored and be controlled by client remotes such as mobile phones
System: the present invention combines existing breaker body, is increased by the optimization of simple hardware configuration and software algorithm combines, design peace
Full early warning type internet of things type intelligent breaker；Increase the network communication mould directly or indirectly connecting with distal end host computer or cloud platform
Block externally carries out data transmission；Increase the tripping module including combined floodgate submodule, the client remotes such as mobile phone can be passed through and monitor control
System.
4, of the invention, for being greater than the abnormal time integral parameter of threshold value, can directly judging it, there are security risks.It is right
In be less than threshold value abnormal time integral parameter, using mutation time integral parameter, when abnormal between integral parameter it is corresponding when
Between in section, find the mutation time section integral parameter in the presence of mutation, can time that further positioning security hidden danger occurs, for this
The electrical equipment that mutation parameter period corresponding investigation period uses, facilitates the equipment that scents a hidden danger, and raising judges precision
And accuracy.
5, in the present invention, under conditions of not increasing hardware configuration, harmonic current intermittent can be generated by fault electric arc
Performance characteristic phase line fault electric arc and fault to ground are carried out by total harmonic wave phase current and total harmonic wave residual current respectively
Electric arc monitoring early warning.
6, the present invention can increase substantially the practicability of fault electric arc detection: many building places in China and use at this stage
Electric equipment, especially quotient be super and the energy-saving and frequency-variable electrical appliance of KTV there are a large amount of harmonic waves, harmonic voltage to power supply line's bus and
Harmonic current interference, and harmonic current over the ground is formed to the release of electric appliance casing.Some manufacturing enterprises in order to reduce material at
The harmonic current that frequency conversion generates, is directly released to device housings and protection ground wire by devices such as Y capacitances, is formed continuous by this
More stable harmonic current and harmonic wave residual current.The harmonic current and harmonic wave residual current of these continued smooths can be directly dry
Disturb the judgement by harmonic characteristic to fault electric arc.There is intermittence, intermittence is humorous in the present invention in the timing of fault electric arc
Wave electric current or harmonic wave residual current feature avoid the intrinsic Stationary Harmonic electric current of the electrical equipment of existing actual use as criterion
Interference wrong report, increases substantially the practicability of fault electric arc detection.
Detailed description of the invention
Fig. 1 is structure of the invention functional block diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, the present invention includes outside breaker body, it further include electrical signal collection module, temperature collecting module, packet
MCU intelligence control module, network communication module containing metering module, in which:
Electrical signal collection module distinguishes collection voltages, electric current and residual current signal；
Metering module input port is connect with electrical signal collection module, and metering module output port and MCU intelligence control module connect
It connects, is handled by metering module and generate voltage, electric current, residual current, power and electric energy associated electrical parameters；
MCU intelligence control module is connect with temperature collecting module, obtains circuit breaker internal temperature；
MCU intelligence control module is connect with network communication module, the network communication module directly or indirectly with distal end host computer
Or cloud platform connection, carry out outbound data transmission；When the network communication module selection is using communication modes such as wifi, 485,
Distal end host computer or cloud platform are connected indirectly by respective gateway equipment, when selection is using GPRS, NB-loT or 4G communication modes,
It can be directly connected to distal end host computer or cloud platform；
Program, which is provided with, in MCU intelligence control module calculates sub- journey module, mutation processing module, early warning logic module, in which:
It is described to calculate in sub- journey module, by temperature collecting module, circuit breaker internal temperature signal is obtained, early warning is sent into and patrols
Collect module；
It calculates sub- journey module and acquisition loop current harmonic wave, residual current harmonic wave is calculated by metering module；The present invention is implemented
One of example, loop current, the residual current acquisition process circuit connection electrical signal collection module are micro- to MCU intelligence control module
Controller analog input pin, then calculate sub- journey module by the microprocessor acquisition circuit electric current of MCU intelligence control module and
Residual current signal, is calculated by virtual value and Fourier calculates modes such as (FFT), obtains loop current harmonic wave, residual current
Fundamental wave and residual current harmonic wave；Sub- journey module is calculated respectively to integrate the time loop current harmonic wave, residual current harmonic wave,
Loop current harmonic wave time integral parameter, the residual current harmonic wave time integral parameter for obtaining each period, are respectively fed to be mutated
Processing module and early warning logic module；Sub- journey module is calculated also loop current harmonic wave, residual current harmonic wave to be respectively fed to be mutated
Processing module and early warning logic module；
Each period of the present invention, usually based on the whole period such as whole minute, hour, day, the moon；
Mutation processing module find out in the presence of mutation loop current harmonic wave and residual current harmonic wave numerical value, since mutation to
Mutation terminates, and residual current numerical value integrates the time, obtains the loop current harmonic wave time integral ginseng of mutation time section
Several and residual current harmonic wave time integral parameter, is respectively fed to early warning logic module；
In the early warning logic module, overtemperature threshold value, loop current harmonic data thresholds, residual current harmonic wave threshold is respectively set
Value, and loop current harmonic wave time integral threshold value, the residual current harmonic wave time integral threshold value of setting different time scales；This
The different time scales are invented, generally with the unit time of the different lengths such as whole minute, hour, day, the moon；
In the early warning logic module, the total harmonic wave numerical value of phase current is compared with the total harmonic data thresholds of phase current, simultaneously
Time existing for the total harmonic wave of phase current is measured, if the total harmonic wave numerical value of phase current is greater than the total harmonic data thresholds of phase current, and big
In the case where be intermittent appearance, judge that there are phase-to phase fault circuit or inside tandem type fault electric arcs for the judgement of sub- journey module；
The total harmonic wave numerical value of residual current is compared with the total harmonic data thresholds of residual current, while to the total harmonic wave of residual current
The existing time is measured, if the total harmonic wave numerical value of residual current be greater than the total harmonic data thresholds of residual current, and greater than the case where be
Intermittent appearance judges that there are fault to ground electric arcs for sub- journey module judgement；
The total harmonic wave numerical value of abnormal phase current, the total harmonic wave numerical value of abnormal residual current are freezed and stored to MCU intelligence control module, in the past
The time parameter that they specifically occur.
In the early warning logic module, if the circuit phase line current harmonic wave time integral parameter or residual current of each period
Harmonic wave time integral parameter is greater than respective threshold, judge the period there are series-parallel fault electric arc or fault to ground electric arc, into
The processing of row emergency alarm；
Judge for mutation time section time integral parameter, first according to mutation time section duration, the difference being respectively arranged
The time integral threshold value of time scale is converted into the time integral threshold value of duration identical as mutation time section, further judges,
If the circuit phase line current harmonic wave time integral parameter or residual current harmonic wave time integral parameter of mutation time section are greater than described
The correspondence time integral threshold value of identical duration, and sustained intermittent occurs, and judges that there are series-parallel fault electric arc or fault to grounds
Electric arc carries out emergency alarm processing.
Harmonic wave of the present invention is intermittent, refers to that detecting certain signal is more than harmonic data thresholds, is lower than threshold value in the short time, again
Short time is more than threshold value, when it is big when small recurrent situation, the short time is usually time in seconds, several seconds, more than ten
Intermittent mark is arranged in second, Ji Shimiao, early warning logic module in a program；
A kind of safe early warning type intelligent breaker, MCU intelligence control module pass through metering module or the micro process of MCU intelligence control module
Device, which calculates, obtains residual current fundamental wave, is sent into mutation processing module, and the residual current dfundamental-harmonic pair time is integrated, and obtains each
The residual current fundamental wave time integral parameter of period is sent into early warning logic module；
It is mutated the residual current fundamental wave parameter that processing module detection has mutation, is terminated since mutation to mutation, surplus
The aftercurrent dfundamental-harmonic pair time is integrated, and the residual current fundamental wave time integral parameter of mutation time section is obtained, and is sent into early warning and is patrolled
Collect module；
In the early warning logic module, setting residual current fundamental wave threshold value, different time scales residual current fundamental wave when
Between integral threshold；In the early warning logic module, if residual current fundamental wave numerical value is more than respective threshold, there are residual currents for judgement
Formula electrical fire security risk, and carry out early warning and alarming processing；
In the early warning logic module, if the residual current fundamental wave time integral parameter of each period is greater than threshold value, judgement
The period, there are residual-current electrical fire security risks；Judge for mutation time section time integral parameter, first basis
The time integral threshold value of the different time scales of setting is converted into the time integral threshold value of duration identical as mutation time section, then
Further judgement judges to correspond to if mutation time section residual current fundamental wave time integral parameter is greater than the identical duration threshold value
Period, there are residual-current electrical fire security risks, carried out early warning and alarming processing.
Time integral parameter for being less than threshold value also has important statistical analysis meaning, especially with hour, day, the moon
Exist in various degree etc. the faint hidden danger in the larger period, and there is the case where Intermittent Features, can determine whether to exist includes electricity
The faint middle initial failure hidden danger such as the oxidation of gas contact point, connection cables loosening, non-metal earthing, according to this kind of hidden danger small
When, day, the larger period time integral parameter such as the moon statistical result and rule that include, carry out early stage anticipation analysis, look into time
Exclusion is looked for handle.Including according to there are hidden danger mutation time section, can presence that further positioning searching correspond to that the period uses pacify
The specific electrical equipment of full hidden danger.
The present invention, setting tripping module simultaneously access electric loop, and MCU intelligence control module and tripping module control connect, MCU intelligence
The early warning logic module of program, which detects, in control module may be selected to generate tripping control instruction and is sent to tripping when hidden trouble
Module, tripping module carry out power-off protection after receiving tripping control instruction.
The present invention, setting include the tripping module of combined floodgate submodule and access electric loop, MCU intelligence control module and tripping mould
Block control connection, network communication module generate control instruction by MCU intelligence control module and are sent into tripping module, and tripping module receives
Control executes tripping or feed motion after control instruction.
The tripping module of the combined floodgate submodule of specific embodiments of the present invention, setting switch closes a point operation in tripping module
Submodule, the magnetictrip submodule with conjunction quartile, MCU intelligence control module and the switch close a point operation submodule and are connected
It connects, switch closes a point operation submodule and connect with magnetictrip submodule；The magnetictrip submodule, when distribution loop is sent out
When raw short circuit or heavy overload electric current, short circuit current is more than instantaneous trip setting current value, and magnetictrip generates sufficiently large
Suction is cut off the power；The switch closes a point operation submodule, has divide-shut brake twin coil, can control magnetictrip submodule
Block is switched off or on power supply.
Preferably, specific embodiments of the present invention in biggish breaker, open by the double golden protection locations of setting electromagnetic trip
Point operation submodule and the double gold protection submodules of the electromagnetic trip are closed, while also comprising setting Miniature permanent magnet DC servo electricity
Engine operation mechanism, MCU intelligence control module realize separating brake, the closing function of breaker by the positive and negative rotation of control motor.
In the present invention, zero crossing detection module being set, corresponding zero cross signal is issued when for detecting voltage zero-cross, in tripping mould
Block or tripping module comprising combined floodgate submodule receive control instruction and need to control when executing tripping or feed motion, examine in zero passage
When executing tripping or feed motion when surveying module detection sending zero cross signal.
Embodiment 1: the present embodiment is based on above-mentioned specific embodiment, is directed to MCU intelligence control module and its metering submodule
Block is specific as follows:
For three-phase electric loop, metering module uses double RN8302 electric energy computation chip schemes in the present embodiment,
RN8302 chip is a kind of three-phase electrical energy computation chip with Detecting Power Harmonicies, but its internal N phase current processing part does not have harmonic wave
Computing function can only obtain virtual value, but the chip cost is lower, and single-phase electric energy metering chip does not have generally at this stage
Harmonics Calculation function, so the present invention program acquires residual current using an independent RN8302.In this way, in the present embodiment, one
UA, UB, UC, IA, IB, IC simulation input port of main RN8302 chip respectively with the three-phase electricity in electrical signal collection module
Pressure, the connection of the sampling processing circuit of three-phase current；In IA, IB, IC simulation input port of another auxiliary RN8302 chip
Residual current sampling processing circuit in any one connection electrical signal collection module；RN8302 chip passes through SPI or UART number
It is connect according to communication interface with MCU intelligence control module the corresponding interface.MCU intelligence control module is obtained by the RN8302 chip in metering module
Voltage and its electricity such as harmonic signal, current first harmonics and its harmonic wave, residual current fundamental wave and its harmonic signal, each phase power, electric energy
Destiny value.
In the present embodiment, unlike existing breaker numerical procedure: MCU intelligence control module is obtained back by metering module
The harmonic signal numerical value of road electric current and residual current, and further identify part relevant to fault electric arc.
In the present embodiment, MCU intelligence control module by metering module calculate obtain loop current harmonic wave, residual current fundamental wave,
Residual current harmonic wave is sent into mutation processing module, and respectively loop current harmonic wave, residual current fundamental wave, residual current harmonic wave
Time is integrated, loop current harmonic wave time integral parameter, the residual current fundamental wave time integral ginseng of each period are obtained
Number, residual current harmonic wave time integral parameter are re-fed into mutation processing early warning logic module；
In the present embodiment, mutation processing module finds out loop current harmonic wave and residual current harmonic wave numerical value in the presence of mutation,
Terminate since mutation to mutation, residual current numerical value integrates the time, the loop current for obtaining mutation time section is humorous
Wave time integral parameter and residual current harmonic wave time integral parameter, are respectively fed to early warning logic module；
It is humorous that overtemperature threshold value, loop current harmonic data thresholds, residual current is respectively set in the present embodiment in early warning logic module
Wave threshold value, the loop current harmonic wave time integral threshold value of different time scales and residual current harmonic wave time integral threshold value, and
Residual current fundamental wave threshold value, the residual current fundamental wave time integral threshold value of different time scales are set；
The present embodiment in the early warning logic module, detects that temperature is more than given threshold, carries out overtemperature alarm or power-off
Control；
The present embodiment, if circuit phase line current harmonic wave numerical value or residual current harmonic wave numerical value are super in the early warning logic module
Corresponding harmonic data thresholds are crossed, and there is intermittent appearance, there are phase line fault electric arc or fault to ground electricity for the judgement of early warning logic module
Arc, and carry out early warning and alarming processing；
The present embodiment, in early warning logic module, if detecting each period loop current harmonic wave time integral or remaining electricity
It flows harmonic wave time integral and is greater than respective threshold, and sustained intermittent occurs, there are phase line fault electric arcs for the judgement of early warning logic module
Or fault to ground electric arc, and carry out early warning and alarming processing；Judge for mutation time section time integral parameter, when elder generation is according to mutation
Between Duan Shichang the time integral threshold value of the corresponding time scale of setting is converted into the time of duration identical as mutation time section
Integral threshold further judges, if the circuit phase line current harmonic wave time integral parameter or residual current base of mutation time section
Wave time integral parameter or residual current harmonic wave time integral parameter are greater than the corresponding time integral threshold value of the identical duration, and
Occur with sustained intermittent, there are phase line fault electric arc or fault to ground electric arcs for the judgement of early warning logic module, and carry out early warning
Alert process.
The present embodiment includes the electric operation mechanism of plug-in strip, and MCU intelligence control module is connect with electric operation mechanism, network communication
Module generates control instruction by MCU intelligence control module and is sent into electric operation mechanism, after electric operation mechanism receives control instruction
It controls plug-in strip and executes corresponding actions.
Be provided with zero crossing detection module in MCU intelligence control module, zero crossing detection module detect voltage whether zero passage, if when zero passage
MCU intelligence control module issues zero cross signal, after being used to control the electric operation mechanism reception control signal of plug-in strip movement in breaker,
It controls plug-in strip and executes corresponding actions.
The present embodiment, zero crossing detection module are real using the voltage zero-cross detection function module inside 8302 metering chips
Existing, electric operation mechanism receives the voltage zero-crossing signal time control check knife that zero crossing detection module detection issues and executes corresponding actions.
Consider that electric operation mechanism executes delay time Tdelay, can be when detecting voltage zero-cross, according to the corresponding cycle T of real-time frequency
It calculates, subtracts T in TdelayThe instruction for executing corresponding actions is issued later, just can realize lock in the voltage over zero in next period
Knife executes corresponding actions.
Embodiment 2: be directed to three-phase phase electric loop, the present embodiment the difference from embodiment 1 is that: electrical signal collection module
In loop current and residual current sampling processing circuit be connected to MCU intelligence control module MCU microcontroller analog input
Pin passes through MCU microcontroller acquisition circuit electric current, residual current signal.In the sub- journey module of calculating of MCU intelligence control module,
It is calculated by Fourier, obtains loop current harmonic wave, residual current fundamental wave, residual current fundamental wave and residual current harmonic wave.
Embodiment 3: air switch is a seed type of breaker, for single-phase electric loop, list that the present embodiment includes
Phase air switch ontology, metering module uses RN8302 electric energy computation chip for core in the present embodiment, and RN8302 is a kind of band
The three-phase electrical energy computation chip of Detecting Power Harmonicies, the present embodiment it in single-phase electric meter it is straight by metering module using being mainly used for
It obtains and takes corresponding harmonic signal and parameter values.At the current acquisition processing circuit of electrical signal collection module, residual current acquisition
IA, IB that reason circuit is connected respectively to RN8302 chip correspond to input port, acquire the electrical signal collection mould of single-phase voltage signal
The voltage acquisition processing circuit of block is connected to UA, UB two corresponding input ports of RN8302 chip simultaneously.RN8302 chip is logical
Cross the communication interface connection corresponding to MCU intelligence control module of SPI, UART data communication interface.MCU intelligence control module passes through metering module
In RN8302 chip obtain voltage U and its harmonic signal Ux, phase current fundamental wave I and its harmonic wave Ix, residual current fundamental wave Is and
Its harmonic signal Isx, single-phase power P, electric energy.
Different mainly for three-phase electric loop from embodiment 1, embodiment 2, embodiment 3 is mainly for single-phase electrical time
Road.
Claims (4)
1. a kind of safe early warning type intelligent breaker, including breaker body, it is characterised in that: further include electrical signal collection mould
Block, temperature collecting module, MCU intelligence control module, network communication module comprising metering module, in which:
Electrical signal collection module distinguishes collection voltages, electric current and residual current signal；
Voltage, the electric current of electrical signal collection module acquisition are sent into metering module, by metering module to voltage, current signal processing meter
It calculates, obtains the related electric ginseng including voltage, electric current, current harmonics, residual current, residual current harmonic wave, power, electric energy
Number is sent into MCU intelligence control module；
Temperature collecting module acquires circuit breaker internal temperature signal；
MCU intelligence control module is connect with temperature collecting module, obtains circuit breaker internal temperature；
MCU intelligence control module is connect with network communication module, is externally carried out data transmission；
Program, which is provided with, in MCU intelligence control module calculates sub- journey module, mutation processing module, early warning logic module, in which:
It is described to calculate in sub- journey module, circuit breaker internal temperature signal is obtained, early warning logic module is sent into；
It calculates sub- journey module and metering module is calculated into the loop current harmonic wave obtained, residual current harmonic wave, be sent into mutation processing mould
Block；
It calculates sub- journey module respectively to integrate the time loop current harmonic wave, residual current harmonic wave, obtains each period
Loop current harmonic wave time integral parameter, residual current harmonic wave time integral parameter, are re-fed into early warning logic module；
Mutation processing module find out respectively in the presence of mutation loop current harmonic wave, residual current harmonic wave numerical value, since mutation to
Mutation terminates, and being integrated between loop current harmonic wave, residual current harmonic wave numerical value clock synchronization, obtains the circuit electricity of mutation time section
Harmonic wave time integral parameter and residual current harmonic wave time integral parameter are flowed, early warning logic module is respectively fed to；
In the early warning logic module, overtemperature threshold value, loop current harmonic data thresholds, residual current harmonic data thresholds, no are respectively set
Loop current harmonic wave time integral threshold value, the residual current harmonic wave time integral threshold value of different time scales with time scale；
In the early warning logic module, if detecting, temperature is more than given threshold, carries out early warning and alarming processing；
In the early warning logic module, if circuit phase line current harmonic wave numerical value or residual current harmonic wave numerical value are more than corresponding harmonic wave threshold
Value, and intermittent appearance, there are phase line fault electric arc or fault to ground electric arcs for the judgement of early warning logic module, and carry out early warning and alarming
Processing；
In the early warning logic module, when by each period circuit phase line current harmonic wave time integral parameter or residual current harmonic wave
Between integral parameter be compared with respective threshold, if more than respective threshold, and sustained intermittent occurs, judge to exist it is series-parallel therefore
Hinder electric arc or fault to ground electric arc, and carries out early warning processing；
In the early warning logic module, according to mutation time section duration, the time integral threshold value of the corresponding time scale of setting,
Calculate the time integral threshold value for being converted into identical duration；If the circuit phase line current harmonic wave time integral parameter of mutation time section or
Residual current harmonic wave time integral parameter is greater than the respective threshold of the identical duration, and sustained intermittent occurs, and judges exist
Series-parallel fault electric arc or fault to ground electric arc, carry out emergency alarm processing.
2. a kind of safe early warning type intelligent breaker according to claim 1, it is characterised in that: metering module to voltage,
Current signal processing calculate obtain residual current fundamental wave, MCU intelligence control module fall into a trap operator journey module calculating metering module is calculated
The residual current fundamental wave of acquisition is sent into mutation processing module, and the residual current dfundamental-harmonic pair time is integrated, and obtains each time
The residual current fundamental wave time integral parameter of section is sent into early warning logic module；
It is mutated the residual current fundamental wave parameter that processing module detection has mutation, is terminated since mutation to mutation, remaining electricity
The stream dfundamental-harmonic pair time is integrated, and the residual current fundamental wave time integral parameter of mutation time section is obtained, and is sent into early warning logic mould
Block；
In the early warning logic module, setting residual current fundamental wave threshold value, the residual current fundamental wave time product of different time scales
Divide threshold value；
In the early warning logic module, if residual current fundamental wave numerical value is more than respective threshold, there are residual-current electricals for judgement
Fire safety evaluating hidden danger, and carry out early warning and alarming processing；
In the early warning logic module, if the residual current fundamental wave time integral parameter of each period is greater than corresponding time integral
Threshold value judges that the period, there are residual-current electrical fire security risks；
Judge for mutation time section residual current fundamental wave time integral parameter, first according to mutation time section duration, setting
The time integral threshold value of different time scales is converted into the time integral threshold value of duration identical as mutation time section, if more than institute
Threshold value is stated, judges that the corresponding period, there are residual-current electrical fire security risks, carried out early warning and alarming processing.
3. a kind of safe early warning type intelligent breaker according to claim 1, it is characterised in that: the electronic behaviour including plug-in strip
Vertical mechanism, MCU intelligence control module are connect with electric operation mechanism, and network communication module generates control instruction by MCU intelligence control module
And it is sent into electric operation mechanism, control plug-in strip executes corresponding actions after electric operation mechanism receives control instruction.
4. a kind of safe early warning type intelligent breaker according to claim 3, it is characterised in that: set in MCU intelligence control module
Be equipped with zero crossing detection module, zero crossing detection module detect voltage whether zero passage, if MCU intelligence control module issues zero passage letter when zero passage
Number, after the electric operation mechanism reception control signal in breaker for controlling plug-in strip movement, control plug-in strip executes corresponding actions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481338.8A CN109599850B (en) | 2018-12-05 | 2018-12-05 | Safety early warning type intelligent circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481338.8A CN109599850B (en) | 2018-12-05 | 2018-12-05 | Safety early warning type intelligent circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109599850A true CN109599850A (en) | 2019-04-09 |
| CN109599850B CN109599850B (en) | 2020-04-17 |
Family
ID=65961238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811481338.8A Active CN109599850B (en) | 2018-12-05 | 2018-12-05 | Safety early warning type intelligent circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599850B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504663A (en) * | 2019-08-13 | 2019-11-26 | 南京东博智慧能源研究院有限公司 | A kind of intelligent breaker and its guard method |
| CN111127802A (en) * | 2019-12-03 | 2020-05-08 | 安徽北斗易通信息技术有限公司 | Power distribution electrical fire early warning method and device based on series resonance mechanism |
| CN112865026A (en) * | 2020-12-30 | 2021-05-28 | 珠海铠湾智电科技有限公司 | Intelligent power distribution method and system with automatic fire safety |
| CN114167158A (en) * | 2021-10-13 | 2022-03-11 | 安徽先兆科技有限公司 | Intelligent identification method and system for electrical potential safety hazards of common electrical appliances |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078942U (en) * | 1990-12-01 | 1991-06-12 | 能源部南京自动化研究所 | Microcomputer-type differential relay |
| US7869169B2 (en) * | 2006-07-14 | 2011-01-11 | William Davison | Method and system of current transformer output magnitude compensation in a circuit breaker system |
| CN102692571A (en) * | 2012-04-27 | 2012-09-26 | 国电南瑞科技股份有限公司 | Distinguishing method for directional element in phase overcurrent protection of transformer |
| CN102749533A (en) * | 2012-04-23 | 2012-10-24 | 华侨大学 | Low-voltage arc fault detection method |
| US8918296B2 (en) * | 2008-10-27 | 2014-12-23 | Tsinghua University | Method for detecting single phase grounding fault based on harmonic component of residual current |
| CN105513252A (en) * | 2016-01-21 | 2016-04-20 | 安徽云汉智能科技有限公司 | Electrical fire monitoring and early-warning method based on anintegration algorithm and device |
| CN105699803A (en) * | 2016-01-21 | 2016-06-22 | 单立辉 | Electric fault detection system for vehicle |
| CN106251561A (en) * | 2016-10-18 | 2016-12-21 | 湖南威胜信息技术有限公司 | Multifunctional electric fire early-warning system and method for early warning thereof |
-
2018
- 2018-12-05 CN CN201811481338.8A patent/CN109599850B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078942U (en) * | 1990-12-01 | 1991-06-12 | 能源部南京自动化研究所 | Microcomputer-type differential relay |
| US7869169B2 (en) * | 2006-07-14 | 2011-01-11 | William Davison | Method and system of current transformer output magnitude compensation in a circuit breaker system |
| US8918296B2 (en) * | 2008-10-27 | 2014-12-23 | Tsinghua University | Method for detecting single phase grounding fault based on harmonic component of residual current |
| CN102749533A (en) * | 2012-04-23 | 2012-10-24 | 华侨大学 | Low-voltage arc fault detection method |
| CN102692571A (en) * | 2012-04-27 | 2012-09-26 | 国电南瑞科技股份有限公司 | Distinguishing method for directional element in phase overcurrent protection of transformer |
| CN105513252A (en) * | 2016-01-21 | 2016-04-20 | 安徽云汉智能科技有限公司 | Electrical fire monitoring and early-warning method based on anintegration algorithm and device |
| CN105699803A (en) * | 2016-01-21 | 2016-06-22 | 单立辉 | Electric fault detection system for vehicle |
| CN106251561A (en) * | 2016-10-18 | 2016-12-21 | 湖南威胜信息技术有限公司 | Multifunctional electric fire early-warning system and method for early warning thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504663A (en) * | 2019-08-13 | 2019-11-26 | 南京东博智慧能源研究院有限公司 | A kind of intelligent breaker and its guard method |
| CN110504663B (en) * | 2019-08-13 | 2021-11-02 | 南京东博智慧能源研究院有限公司 | Intelligent circuit breaker and protection method thereof |
| CN111127802A (en) * | 2019-12-03 | 2020-05-08 | 安徽北斗易通信息技术有限公司 | Power distribution electrical fire early warning method and device based on series resonance mechanism |
| CN112865026A (en) * | 2020-12-30 | 2021-05-28 | 珠海铠湾智电科技有限公司 | Intelligent power distribution method and system with automatic fire safety |
| CN114167158A (en) * | 2021-10-13 | 2022-03-11 | 安徽先兆科技有限公司 | Intelligent identification method and system for electrical potential safety hazards of common electrical appliances |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109599850B (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109599850A (en) | A kind of safe early warning type intelligent breaker | |
| CN109523741B (en) | Single-phase air switch of intelligence with early warning function | |
| CN101571563B (en) | Integrative electric energy quality monitoring terminal | |
| RU2582577C2 (en) | Determination of movement curve of circuit breaker disconnector | |
| CN202886463U (en) | Intelligent electric energy meter with functions of electric leakage remote monitoring and protection | |
| CN109596873B (en) | Smart electric meter with early warning function | |
| CN109345752A (en) | A kind of electrical safety monitoring and pre-alarming method and device | |
| CN106546858B (en) | Transient component-based power distribution network fault type detection method | |
| CN104777420B (en) | The test system and its test method of a kind of high-voltage switch contact | |
| CN206401896U (en) | A kind of parallel power wave filter monitoring and protecting device based on multi-channel sampling | |
| CN102437650A (en) | Intelligent electric power distribution system | |
| CN104779705A (en) | Line protection measurement and control method and device | |
| CN110412346A (en) | A kind of metering type intelligent breaker based on Internet of Things | |
| CN106249173A (en) | A kind of battery health degree SOH evaluation method | |
| CN204575811U (en) | A kind of test macro of high-voltage switch contact | |
| CN208984136U (en) | Substation parameters acquisition device and system | |
| CN103344911B (en) | A kind of high-voltage direct-current switch disconnection overall process state identification method | |
| CN108226645A (en) | A kind of vacuum circuit breaker divide-shut brake coil direct current resistance m easurem ent device | |
| Sheng et al. | Research and analysis on evaluation methods of electrical performance of Smart Energy Meters | |
| CN106104282A (en) | A kind of electric measurement method based on reference energy | |
| CN203037795U (en) | Small current grounding line selection system based on CAN network | |
| CN102290803B (en) | Micro-grid relaying protection method and device | |
| CN202475013U (en) | Intelligent power distribution device | |
| Lira et al. | PMU performance requirements and validation for closed loop applications | |
| CN109142862A (en) | A kind of intelligent electrically engineering survey system and its measurement method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |