CN116052389A - Low-voltage capacitor cabinet fault alarm method, system and device - Google Patents
Low-voltage capacitor cabinet fault alarm method, system and device Download PDFInfo
- Publication number
- CN116052389A CN116052389A CN202310042404.6A CN202310042404A CN116052389A CN 116052389 A CN116052389 A CN 116052389A CN 202310042404 A CN202310042404 A CN 202310042404A CN 116052389 A CN116052389 A CN 116052389A
- Authority
- CN
- China
- Prior art keywords
- parameters
- fault
- voltage
- low
- capacitor
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004458 analytical method Methods 0.000 claims abstract description 54
- 238000004590 computer program Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a fault alarm method, a system and a device for a low-voltage capacitor cabinet, which comprise an acquisition module: the method comprises the steps of acquiring real-time operation index parameters, operation parameters and body parameters of a low-voltage capacitor box, and grouping the operation index parameters to obtain an index group; the judging module is used for judging the state of the index group to obtain real-time running state information; the analysis module is used for establishing a fault analysis model, judging the fault reason in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information to report to the upper-level platform. The invention can realize real-time alarm of the operation safety state of the low-voltage capacitor cabinet, is not dependent on manual analysis, and greatly improves the monitoring efficiency of the operation of the low-voltage capacitor.
Description
Technical Field
The invention relates to the field of fault alarm of a low-voltage capacitor cabinet, in particular to a fault alarm method, a system and a device of the low-voltage capacitor cabinet.
Background
Currently, the operation management of a piezoelectric capacitor mainly depends on manual inspection. Judging whether a fault exists or not by observing the current, the power factor, the appearance of a capacitor and the like of the ammeter, and comprehensively analyzing the fault cause according to the fault phenomenon after the fault is found, wherein the fault finding needs to rely on a manual responsibility center, and the fault cannot be found in the first time, so that the timeliness is poor; the accuracy of fault analysis is completely dependent on the electrical technology level, is excessively dependent on personal ability, and has the possibility of misjudgment.
Disclosure of Invention
The invention aims to provide a low-voltage capacitor box fault alarm method, a system and a device, and aims to solve the problems that the fault discovery of a low-voltage capacitor box is not timely and the fault analysis depends on manual work.
The invention provides a fault alarm system of a low-voltage power cabinet, which comprises,
the acquisition module is used for: the method comprises the steps of acquiring real-time operation data, operation parameters and body parameters of a low-voltage capacitor box, and grouping the operation index parameters to obtain an index group;
the judging module is used for judging the state of the index group to obtain real-time running state information;
the analysis module is used for establishing a fault analysis model, judging the fault reasons in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault reasons to report to the upper-level platform.
The invention also provides a fault alarm method of the low-voltage capacitor cabinet, which comprises the steps of,
s1, acquiring real-time operation data, operation parameters and body parameters of a low-voltage capacitor box through an acquisition module, and grouping the operation index parameters to obtain an index group;
s2, judging the state of the index group through a judging module to obtain real-time running state information;
and S3, establishing a fault analysis model through an analysis module, judging the fault cause in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault cause to report to the upper-level platform.
The embodiment of the invention also provides a fault alarm device of the low-voltage capacitor cabinet, which comprises: a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, performs the steps of the method described above.
The embodiment of the invention also provides a computer readable storage medium, wherein the computer readable storage medium stores an information transmission implementation program, and the program realizes the steps of the method when being executed by a processor.
By adopting the embodiment of the invention, the safe state of the operation of the capacitor can be alarmed in real time, the fault can be found in the first time without depending on manual analysis, and the monitoring efficiency of the operation of the capacitor is greatly improved.
The foregoing description is only an overview of the present invention, and is intended to provide a more clear understanding of the technical means of the present invention, as it is embodied in accordance with the present invention, and to make the above and other objects, features and advantages of the present invention more apparent, as it is embodied in the following detailed description of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a low voltage capacitive cabinet fault alarm system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of grouping index parameters of a distributed low-voltage capacitor box running state judgment system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of parameter status determination of a distributed low-voltage capacitor box operation status determination system according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a fault analysis model of a distributed low-voltage capacitor box running state judgment system according to an embodiment of the present invention;
FIG. 5 is a flow chart of a low voltage capacitor box fault alarm method of an embodiment of the present invention;
fig. 6 is a schematic diagram of a low-voltage capacitor box fault alarm device according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
System embodiment
According to an embodiment of the present invention, there is provided a distributed low-voltage capacitor box operation state determining system, and fig. 1 is a schematic diagram of the distributed low-voltage capacitor box operation state determining system according to the embodiment of the present invention, as shown in fig. 1, including:
the acquisition module is used for: the method comprises the steps of acquiring real-time operation index parameters, operation parameters and body parameters of a low-voltage capacitor box, and grouping the operation index parameters to obtain an index group;
the judging module is used for judging the state of the index group to obtain real-time running state information;
the analysis module is used for establishing a fault analysis model, judging the fault reasons in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault reasons to report to the upper-level platform.
FIG. 2 is a schematic diagram of grouping index parameters of a distributed low-voltage capacitor box running state judgment system according to an embodiment of the present invention;
the acquisition module is specifically used for: acquiring real-time operation index parameters of a low-voltage power cabinet, grouping the operation index parameters to obtain voltage parameters, current imbalance parameters, power factor parameters, total harmonic voltage content parameters, capacitor shell temperature parameters and capacitor cabinet environment temperature parameters, acquiring reactive compensation state operation parameters, and acquiring a reactive compensation mode and body parameters of capacitor rated voltage.
The judging module is specifically used for: and setting the threshold value of the index group, judging whether the set threshold value of the index group is out of limit in real time, and obtaining real-time running state information according to whether the set threshold value is out of limit.
The analysis module is specifically used for: and establishing a fault analysis model, analyzing the state information, the operation parameters and the body parameters based on the fault analysis model to obtain fault reasons of capacitor body device faults, high operation voltage, high environment temperature, harmonic wave out-of-limit and capacitor loop faults, and generating alarm information according to the fault reasons to report to a superior platform.
FIG. 3 is a schematic diagram of parameter status determination of a distributed low-voltage capacitor box operation status determination system according to an embodiment of the present invention;
the power factor threshold is smaller than 0.75, the logic node state is judged to be 1, and other values are 0;
the total harmonic content is more than 4%, the state of the logic node is judged to be 1, and other values are 0;
the voltage is larger than 1.15UN, the state of the logic node is judged to be 1, and other values are 0;
the unbalanced current is more than 10%, the state of the logic node is judged to be 1, and other values are 0;
the reactive compensation state is automatically 1 and manually 0;
the ambient temperature of the capacitor box is larger than 50 degrees, the state of the logic node is judged to be 1, and other values are 0;
the temperature of the capacitor shell is larger than 55 degrees, the state of the logic node is judged to be 1, and other values are 0;
the reactive compensation state mode is 1, and the mixed compensation is 0;
the current is greater than 10A, and the logic node state is judged to be 1, which is indicated as reactive compensation operation.
The analysis module is used for establishing a fault analysis model, judging the fault reasons in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault reasons to report to the upper-level platform.
The fault analysis model is deployed on the edge side, and analysis and judgment of faults by the edge gateway side analysis model can also reduce analysis and calculation pressure of the platform side.
The analysis module is specifically used for: and establishing a fault analysis model, analyzing the state information, the operation parameters and the body parameters based on the fault analysis model to obtain fault reasons of capacitor body device faults, high operation voltage, high environment temperature, harmonic wave out-of-limit and capacitor loop faults, and generating alarm information according to the fault reasons to report to a superior platform.
FIG. 4 is a schematic diagram of a fault analysis model of a distributed low-voltage capacitor box running state judgment system according to an embodiment of the present invention;
reactive compensation operation is used as a starting condition, and state items without numerical values are not considered in fault judgment logic.
The invention adopts the addition of an analysis model at the edge side, wherein the model comprises real-time data such as current, voltage, power factor, capacitor shell temperature, reactive compensation state (automatic/manual) and the like, and capacitor body archive data (directly issued to an edge gateway by a platform before project operation). The operation state of the capacitor is judged by the model, and alarm information is generated, so that operation and maintenance personnel can directly check and solve faults according to the alarm information, the timeliness of manual inspection is solved, and the analysis and calculation pressure of the platform can be reduced.
The method mainly solves the problem of safe capacitor operation of the unattended distribution room. The invention can make the safe state of the low-voltage capacitor operation alarm in real time, does not depend on manual analysis, and greatly improves the monitoring efficiency of the low-voltage capacitor operation; meanwhile, the analysis and judgment of faults can be carried out on the edge side by adopting a model, and the analysis and calculation pressure on the platform side can be reduced.
Method embodiment one
According to an embodiment of the present invention, a method for determining an operating state of a distributed low-voltage capacitor cabinet is provided, and fig. 5 is a flowchart of the method for determining an operating state of a distributed low-voltage capacitor cabinet according to the embodiment of the present invention, as shown in fig. 5, specifically including:
s1, acquiring real-time operation index parameters, operation parameters and body parameters of a low-voltage capacitor box through an acquisition module, and grouping the operation index parameters to obtain an index group;
s1 specifically comprises: the method comprises the steps of obtaining operation index parameters of a low-voltage capacitor box through an obtaining module, grouping the operation index parameters to obtain voltage parameters, current unbalance parameters, power factor parameters, total harmonic voltage content parameters, capacitor shell temperature parameters and capacitor box environment temperature parameters, obtaining reactive compensation state operation parameters, and obtaining body parameters of a reactive compensation mode and capacitor rated voltage.
S2, judging the state of the index group through a judging module to obtain real-time running state information;
s2 specifically comprises: and setting a threshold value of the index group through a judging module, judging whether the set threshold value of the index group is out of limit in real time, and obtaining real-time running state information according to whether the set threshold value is out of limit.
And S3, establishing a fault analysis model through an analysis module, judging the fault cause in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault cause to report to the upper-level platform.
S3 specifically comprises: and establishing a fault analysis model through an analysis module, analyzing the state information, the operation parameters and the body parameters based on the fault analysis model to obtain fault reasons of the capacitor body device fault, the high operation voltage, the high environment temperature, the harmonic wave out of limit and the capacitor loop fault, and generating alarm information according to the fault reasons to report to a superior platform.
The embodiment of the invention provides a running state judging device of a distributed low-voltage capacitor cabinet, as shown in fig. 6, comprising: the steps of the method embodiments described above are implemented by the memory 60, the processor 62, and a computer program stored on the memory 60 and executable on the processor 62, when the computer program is executed by the processor.
Device example two
The embodiment of the present invention provides a computer-readable storage medium, on which an implementation program for information transmission is stored, which when executed by the processor 62 implements the steps of the method embodiment described above.
The embodiment of the present invention is a system embodiment corresponding to the above method embodiment, and specific operations of each module may be understood by referring to the description of the method embodiment, which is not repeated herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; and these modifications or substitutions may be made to the technical solutions of the embodiments of the present invention without departing from the spirit of the corresponding technical solutions.
Claims (10)
1. A fault alarm system for a low-voltage power cabinet is characterized by comprising,
the acquisition module is used for: the method comprises the steps of acquiring real-time operation index parameters, operation parameters and body parameters of a low-voltage capacitor box, and grouping the operation index parameters to obtain an index group;
the judging module is used for judging the state of the index group to obtain real-time running state information;
the analysis module is used for establishing a fault analysis model, judging the fault cause in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault cause.
2. The system according to claim 1, wherein the acquisition module is specifically configured to: acquiring real-time operation index parameters of a low-voltage power cabinet, grouping the operation index parameters to obtain voltage parameters, current imbalance parameters, power factor parameters, total harmonic voltage content parameters, capacitor shell temperature parameters and capacitor cabinet environment temperature parameters, acquiring reactive compensation state operation parameters, and acquiring a reactive compensation mode and body parameters of capacitor rated voltage.
3. The system according to claim 2, wherein the judging module is specifically configured to: and setting the threshold value of the index group, judging whether the set threshold value of the index group is out of limit in real time, and obtaining real-time running state information according to whether the set threshold value is out of limit.
4. A system according to claim 3, wherein the analysis module is specifically configured to: and establishing a fault analysis model, analyzing the state information, the operation parameters and the body parameters based on the fault analysis model to obtain fault reasons of capacitor body device faults, high operation voltage, high environment temperature, harmonic wave out-of-limit and capacitor loop faults, and generating alarm information according to the fault reasons to report to a superior platform.
5. A fault alarm method for a low-voltage capacitor cabinet is characterized by comprising the steps of,
s1, acquiring real-time operation index parameters, operation parameters and body parameters of a low-voltage capacitor box through an acquisition module, and grouping the operation index parameters to obtain an index group;
s2, judging the state of the index group through a judging module to obtain real-time running state information;
and S3, establishing a fault analysis model through an analysis module, judging the fault cause in real time based on the fault analysis model on the state information, the operation parameters and the body parameters, and generating alarm information according to the fault cause to report to the upper-level platform.
6. The method according to claim 5, wherein S1 specifically comprises: the method comprises the steps of obtaining operation index parameters of a low-voltage capacitor box through an obtaining module, grouping the operation index parameters to obtain voltage parameters, current unbalance parameters, power factor parameters, total harmonic voltage content parameters, capacitor shell temperature parameters and capacitor box environment temperature parameters, obtaining reactive compensation state operation parameters, and obtaining body parameters of a reactive compensation mode and capacitor rated voltage.
7. The method according to claim 6, wherein S2 specifically comprises: and setting a threshold value of the index group through a judging module, judging whether the set threshold value of the index group is out of limit in real time, and obtaining real-time running state information according to whether the set threshold value is out of limit.
8. The method according to claim 7, wherein S3 specifically comprises: and establishing a fault analysis model through an analysis module, analyzing the state information, the operation parameters and the body parameters based on the fault analysis model to obtain fault reasons of the capacitor body device fault, the high operation voltage, the high environment temperature, the harmonic wave out of limit and the capacitor loop fault, and generating alarm information according to the fault reasons.
9. A fault alarm device for a low-voltage capacitor box, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps of the low voltage capacitor box fault alerting method of any one of claims 5 to 8.
10. A computer-readable storage medium, wherein a program for implementing information transfer is stored on the computer-readable storage medium, and the program when executed by a processor implements the steps of the low-voltage capacitor box fault alarm method according to any one of claims 5 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310042404.6A CN116052389A (en) | 2023-01-28 | 2023-01-28 | Low-voltage capacitor cabinet fault alarm method, system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310042404.6A CN116052389A (en) | 2023-01-28 | 2023-01-28 | Low-voltage capacitor cabinet fault alarm method, system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116052389A true CN116052389A (en) | 2023-05-02 |
Family
ID=86117758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310042404.6A Pending CN116052389A (en) | 2023-01-28 | 2023-01-28 | Low-voltage capacitor cabinet fault alarm method, system and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116052389A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028573A1 (en) * | 2016-08-12 | 2018-02-15 | 中兴通讯股份有限公司 | Method and device for fault handling, and controller |
| CN110264679A (en) * | 2019-06-18 | 2019-09-20 | 国网山东省电力公司沂南县供电公司 | Power distribution cabinet monitors system and method |
| CN112965990A (en) * | 2021-03-07 | 2021-06-15 | 广东电网有限责任公司广州供电局 | Low-voltage contact cabinet fault solution generation method and device |
| CN113285358A (en) * | 2021-06-25 | 2021-08-20 | 苏州道和电力设计安装有限公司 | Power distribution cabinet accident monitoring and alarming method and system |
| CN114113858A (en) * | 2021-11-26 | 2022-03-01 | 广东电网有限责任公司 | Low-voltage capacitor box on-line monitoring system |
-
2023
- 2023-01-28 CN CN202310042404.6A patent/CN116052389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028573A1 (en) * | 2016-08-12 | 2018-02-15 | 中兴通讯股份有限公司 | Method and device for fault handling, and controller |
| CN110264679A (en) * | 2019-06-18 | 2019-09-20 | 国网山东省电力公司沂南县供电公司 | Power distribution cabinet monitors system and method |
| CN112965990A (en) * | 2021-03-07 | 2021-06-15 | 广东电网有限责任公司广州供电局 | Low-voltage contact cabinet fault solution generation method and device |
| CN113285358A (en) * | 2021-06-25 | 2021-08-20 | 苏州道和电力设计安装有限公司 | Power distribution cabinet accident monitoring and alarming method and system |
| CN114113858A (en) * | 2021-11-26 | 2022-03-01 | 广东电网有限责任公司 | Low-voltage capacitor box on-line monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103439613A (en) | Electric power security integrated monitoring device and analyzing method thereof | |
| CN104020754A (en) | Method for enabling state monitoring information of transformer station primary main equipment to access to regulation and control system | |
| CN114819225A (en) | Intelligent operation and maintenance method and system for offshore energy unit | |
| CN114691662A (en) | Data quality inspection rule self-adaption method, storage medium and system | |
| CN116052389A (en) | Low-voltage capacitor cabinet fault alarm method, system and device | |
| CN111537819A (en) | Distribution automation monitoring method, system, terminal and storage medium | |
| CN115459319A (en) | Energy storage device and method of power supply system | |
| CN115392383A (en) | Early warning method and device for electricity utilization abnormity, electronic equipment and storage medium | |
| CN111737875B (en) | Active power unbalance rate analysis and diagnosis method, system and computer equipment | |
| CN112798869B (en) | Capacitance detection method and system for unit series type converter | |
| CN118071539A (en) | Multi-stage power transmission and distribution line operation state early warning method and system for multi-metadata fusion analysis | |
| CN114123507B (en) | Centralized monitoring method, equipment and medium for power grid equipment | |
| CN115242706B (en) | Operation management method of electric power system information network simulation platform | |
| CN205620762U (en) | A voltage electric current real -time monitoring system for EUT power | |
| Jie et al. | Exploration on Artificial Intelligence Technology in Power System State Estimation, Monitoring and Early Warning System | |
| CN117040106A (en) | Boosting station active early warning method and system based on AI time sequence twinning technology | |
| CN117239911A (en) | Low-voltage visual pre-judging method and system for power distribution network | |
| CN106919167B (en) | Fault early warning system and method suitable for field bus control | |
| CN116388393A (en) | DC module-based power supply monitoring method, system and storage medium | |
| CN118171955A (en) | Cross-space cascading failure monitoring method and system for information physical system of active power distribution network | |
| CN114167310A (en) | Transmission line monitoring and early warning system | |
| CN115412379A (en) | Ethernet power supply system monitoring management method, equipment and medium | |
| Huang et al. | Security Monitoring System for Power IoTs Based on Machine Learning | |
| CN117762751A (en) | Simulation test system and method for intelligent distribution transformer terminal of transformer area | |
| CN117277555A (en) | Power distribution communication network operation and maintenance control method, platform and device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230502 |
|
| RJ01 | Rejection of invention patent application after publication |