CN107144374B - A kind of power line temperature monitoring system - Google Patents
A kind of power line temperature monitoring system Download PDFInfo
- Publication number
- CN107144374B CN107144374B CN201710259050.5A CN201710259050A CN107144374B CN 107144374 B CN107144374 B CN 107144374B CN 201710259050 A CN201710259050 A CN 201710259050A CN 107144374 B CN107144374 B CN 107144374B
- Authority
- CN
- China
- Prior art keywords
- monitoring terminal
- monitoring
- power line
- terminal
- base station
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/2506—Arrangements for conditioning or analysing measured signals, e.g. for indicating peak values ; Details concerning sampling, digitizing or waveform capturing
- G01R19/2509—Details concerning sampling, digitizing or waveform capturing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/21—Pc I-O input output
- G05B2219/21137—Analog to digital conversion, ADC, DAC
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25171—Serial, RS232
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25202—Internet, tcp-ip, web server : see under S05B219-40
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2621—Conveyor, transfert line
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of power line temperature to monitor system, and the monitoring terminal being arranged on power transmission line including several and the base station connecting with monitoring terminal, the base station are connected to monitoring server by interchanger, and the monitoring server is connected to client;The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, wireless transport module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit, the present invention is by the way that adjacent monitoring terminal to be attached, it is mutually backups, connection can be established by base station and monitoring server simultaneously, once one or more of which monitors terminal and breaks down, then you can't get the data informations of its acquisition for monitoring terminal connected to it, the data information that the monitoring terminal of the non-failure is sent back to would not include the data information of malfunction monitoring terminal.
Description
Technical field
The present invention relates to power circuit detection technique fields, are related to a kind of power line temperature monitoring system.
Background technique
With the continuous growth of China's power transmission capabilities, power network current and voltage are constantly increased, to power supply reliability
It is required that also higher and higher.In power Transmission, electric current and temperature are two important parameters of power transmission line safe operation.Currently, electric
Measurement of the power department to line temperature generallys use patch color chips thermometric and infrared measurement of temperature, melts degree or contact according to color chips
This requires artificial site inspection measurement to the amount of infrared radiation temperature collection data at place, and low efficiency, at high cost, monitoring result is unstable
It is fixed, it is unfavorable for the raising of ability to transmit electricity and the early warning of electric power accident.
In order to solve the problem above-mentioned, there are many companies to be provided with a kind of high voltage transmission line current temperature wireless transmission system
System.Using GPRS communication, be directly connected with Internet network by IP agreement, by collected electric current and
Temperature data is transferred on the server of monitoring center.But such mode can be only formed unidirectional acquisition, once acquisition equipment is logical
News break down, and will be unable to obtain relevant data information.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of power line temperature monitoring system.
The present invention adopts the following technical solutions: a kind of power line temperature monitoring system, including several are arranged on power transmission line
Monitoring terminal and with the base station that connect of monitoring terminal, the base station is connected to monitoring server, the prison by interchanger
Control server is connected to client;
The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, nothing
Line transmission module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit,
The current transformer is wound on power line, and current transformer takes electricity to supply for the power supply by connecting with power line
Electricity, described temperature sensor one end are connect with power line, and one end connects microcontroller, and described integrator one end connects Current Mutual Inductance
Device, the integrator other end convert AC signal to smooth direct current signal, the A/ by rectifier filter and A/D converter
D converter connects microcontroller, microcontroller connection wireless transport module, clock chip, storage unit, backup units,
Registering unit and comparison unit, data and current transformer of the storage unit for the acquisition of storage temperature sensor are adopted
The current data collected;
Prison when one or more monitoring terminal and monitoring server are attached, as acquisition power line temperature
It surveys terminal to be communicated according to nearest base station with the monitoring terminal being connected, at this point, registering unit is whole by the monitoring being in communication with each other
End is registered each other, and the state registered is updated to " normal ";
The connection setting for the monitoring terminal that the comparison unit is used to register mutually disconnects threshold value, and real-time perfoming pair
Than;
The backup units will be registered each other and the data for keeping the monitoring terminal being stably connected with to acquire back up, and store up
It is stored in storage unit;
The clock chip is for setting a fixed time interval T, as communications status between mutually redundant monitoring terminal
Inquiry, inquiry when, if the two connection threshold value be greater than setting disconnection threshold value, that is, think to connect with the monitoring terminal another
One monitoring terminal is offline or another monitoring SOT state of termination is updated to " failure " by failure, the monitoring terminal, otherwise for " just
Often ";
The wireless transport module is established with nearest base station and is communicated, and will monitor the collected data of terminal by exchange
Machine is transferred to monitoring server.
The wireless transport module includes that GSM/GPRS baseband controller, radio frequency part, power pack, Flash/SRAM are deposited
Reservoir and interface unit, the GSM/GPRS baseband controller are used to transmit the transmission, conversion and enhanced processing process of signal,
The GSM/GPRS baseband controller is connect with radio frequency part, power pack, Flash/SRAM memory and interface unit respectively.
The interface unit includes RS232 interface and GPRS interface module, the RS232 interface and the control of GSM/GPRS base band
Device connection processed, the GPRS interface module log on to GPRS network using dialing, and realization is connected with Internet.
The power supply respectively with the A/D converter, microcontroller, clock chip, wireless transport module, integral
Device, rectifier filter, storage unit, backup units, registering unit and comparison unit connection.
The invention has the following beneficial effects: the present invention by the way that adjacent monitoring terminal to be attached, and is mutually backups, can
To establish connection by base station and monitoring server simultaneously, once one or more of which monitoring terminal breaks down, then
Monitoring terminal connected to it is you can't get the data information of its acquisition, the data information that the monitoring terminal of the non-failure is sent back to
It would not include the data information of malfunction monitoring terminal, at this point, monitoring server will sound an alarm, report fault message, and
Maintenance is taken nearby, meanwhile, once transmission line malfunction occurs, can also be got in touch by base station with the maintenance station closed on,
It is convenient and efficient.
Detailed description of the invention
Fig. 1 is system construction drawing of the invention;
Fig. 2 is the working principle diagram of present invention monitoring terminal.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
Referring to figs. 1 to Fig. 2, the invention discloses a kind of power line temperature to monitor system, including several are arranged in power transmission line
On monitoring terminal and with the base station that connect of monitoring terminal, the base station is connected to monitoring server by interchanger, described
Monitoring server is connected to client;
The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, nothing
Line transmission module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit,
The current transformer is wound on power line, and current transformer takes electricity to supply for the power supply by connecting with power line
Electricity, described temperature sensor one end are connect with power line, and one end connects microcontroller, and described integrator one end connects Current Mutual Inductance
Device, the integrator other end convert AC signal to smooth direct current signal, the A/ by rectifier filter and A/D converter
D converter connects microcontroller, microcontroller connection wireless transport module, clock chip, storage unit, backup units,
Registering unit and comparison unit, data and current transformer of the storage unit for the acquisition of storage temperature sensor are adopted
The current data collected;
Prison when one or more monitoring terminal and monitoring server are attached, as acquisition power line temperature
It surveys terminal to be communicated according to nearest base station with the monitoring terminal being connected, at this point, registering unit is whole by the monitoring being in communication with each other
End is registered each other, and the state registered is updated to " normal ";
The connection setting for the monitoring terminal that the comparison unit is used to register mutually disconnects threshold value, and real-time perfoming pair
Than;
The backup units will be registered each other and the data for keeping the monitoring terminal being stably connected with to acquire back up, and store up
It is stored in storage unit;
The clock chip is for setting a fixed time interval T, as communications status between mutually redundant monitoring terminal
Inquiry, inquiry when, if the two connection threshold value be greater than setting disconnection threshold value, that is, think to connect with the monitoring terminal another
One monitoring terminal is offline or another monitoring SOT state of termination is updated to " failure " by failure, the monitoring terminal, otherwise for " just
Often ";
The wireless transport module is established with nearest base station and is communicated, and will monitor the collected data of terminal by exchange
Machine is transferred to monitoring server.
The wireless transport module includes that GSM/GPRS baseband controller, radio frequency part, power pack, Flash/SRAM are deposited
Reservoir and interface unit, the GSM/GPRS baseband controller are used to transmit the transmission, conversion and enhanced processing process of signal,
The GSM/GPRS baseband controller is connect with radio frequency part, power pack, Flash/SRAM memory and interface unit respectively.
The interface unit includes RS232 interface and GPRS interface module, the RS232 interface and the control of GSM/GPRS base band
Device connection processed, the GPRS interface module log on to GPRS network using dialing, and realization is connected with Internet.
The power supply respectively with the A/D converter, microcontroller, clock chip, wireless transport module, integral
Device, rectifier filter, storage unit, backup units, registering unit and comparison unit connection.
Embodiment 1
Monitoring terminal 1 and monitoring terminal 2 are listed referring to Fig. 2, Fig. 2, when monitoring terminal 1 and monitoring terminal 2 starts, prison
It surveys terminal 1 and monitoring terminal 2 establishes communication, and register each other, establish monitoring terminal 1 and monitor being stably connected between terminal 2,
Comparison unit in monitoring terminal 1 and monitoring terminal 2 is used to set the connection of the monitoring terminal 1 registered mutually and monitoring terminal 2
Surely threshold value is disconnected, and real-time perfoming compares;The clock chip is for setting a fixed time interval T, as mutually redundant prison
Survey terminal between communications status inquiry, inquiry when, if the two connection threshold value be greater than setting disconnection threshold value, that is, think with
Another monitoring terminal of monitoring terminal connection is offline or failure, the monitoring terminal are updated to another monitoring SOT state of termination
" failure ", on the contrary it is " normal ";
Temperature sensor and temperature and electric current on current transformer acquisition power transmission line, the present invention is by by adjacent monitoring
Terminal 1 and monitoring terminal 2 are attached, and are mutually backups, and can establish connection by base station and monitoring server simultaneously, once its
In monitoring terminal 1 or monitoring terminal 2 break down, then monitoring terminal 1 connected to it or monitor terminal 2 you can't get it
The data information of acquisition, the data information that the monitoring terminal 1 or monitoring terminal 2 of the non-failure are sent back to would not include malfunction monitoring
The data information of terminal reports fault message, and take maintenance nearby at this point, monitoring server will sound an alarm, meanwhile,
Once transmission line malfunction occurs, can also be got in touch by base station with the maintenance station closed on, it is convenient and efficient.
Technical solution disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein
Example is expounded the principle and embodiment of the embodiment of the present invention, and the explanation of above embodiments is only applicable to help to understand
The principle of the embodiment of the present invention;At the same time, for those skilled in the art is being embodied according to an embodiment of the present invention
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as to limit of the invention
System.
Claims (4)
1. a kind of power line temperature monitors system, which is characterized in that including several be arranged in monitoring terminal on power transmission line and
The base station connecting with monitoring terminal, the base station are connected to monitoring server by interchanger, and the monitoring server is connected to
Client;
The monitoring terminal includes current transformer, temperature sensor, A/D converter, microcontroller, clock chip, wireless biography
Defeated module, power supply, integrator, rectifier filter, storage unit, backup units, registering unit and comparison unit, it is described
Current transformer is wound on power line, and current transformer takes electricity to power for the power supply by connecting with power line, institute
It states temperature sensor one end to connect with power line, one end connects microcontroller, and described integrator one end connects current transformer, product
The device other end is divided to convert AC signal to smooth direct current signal, the A/D conversion by rectifier filter and A/D converter
Device connects microcontroller, and the microcontroller connection wireless transport module, clock chip, storage unit, backup units, registration are single
Member and comparison unit, data and current transformer of the storage unit for the acquisition of storage temperature sensor are collected
Current data;
When one or more monitoring terminal and monitoring server are attached, the monitoring as acquisition power line temperature is whole
End is communicated according to nearest base station with the monitoring terminal being connected, at this point, registering unit is mutual by the monitoring terminal being in communication with each other
To register, and the state registered is updated to " normal ";
The connection setting for the monitoring terminal that the comparison unit is used to register mutually disconnects threshold value, and real-time perfoming compares;
The backup units will be registered each other and the data for keeping the monitoring terminal being stably connected with to acquire back up, and be stored in
Storage unit;
The clock chip is looked into for setting fixed time interval T as communications status between mutually redundant monitoring terminal
It askes, when inquiring, if the two connection threshold value is greater than the disconnection threshold value of setting, that is, thinks another prison connecting with the monitoring terminal
Survey terminal is offline or another monitoring SOT state of termination is updated to " failure " by failure, the monitoring terminal, otherwise is " normal ";
The wireless transport module is established with nearest base station and is communicated, and will be monitored the collected data of terminal and be passed by interchanger
It is handed to monitoring server.
2. power line temperature according to claim 1 monitors system, which is characterized in that the wireless transport module includes GSM/
GPRS baseband controller, radio frequency part, power pack, Flash/SRAM memory and interface unit, the GSM/GPRS base band
Controller is used to transmit the transmission, conversion and enhanced processing process of signal, the GSM/GPRS baseband controller respectively with penetrate
Frequency part, power pack, Flash/SRAM memory are connected with interface unit.
3. power line temperature according to claim 2 monitors system, which is characterized in that the interface unit includes that RS232 connects
Mouth and GPRS interface module, the RS232 interface are connect with GSM/GPRS baseband controller, and the GPRS interface module, which utilizes, to be dialled
GPRS network number is logged on to, realization is connected with Internet.
4. power line temperature according to claim 1 monitors system, which is characterized in that the power supply respectively with it is described
A/D converter, microcontroller, clock chip, wireless transport module, integrator, rectifier filter, storage unit, backup units,
Registering unit and comparison unit connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710259050.5A CN107144374B (en) | 2017-04-20 | 2017-04-20 | A kind of power line temperature monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710259050.5A CN107144374B (en) | 2017-04-20 | 2017-04-20 | A kind of power line temperature monitoring system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107144374A CN107144374A (en) | 2017-09-08 |
CN107144374B true CN107144374B (en) | 2019-02-22 |
Family
ID=59773864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710259050.5A Active CN107144374B (en) | 2017-04-20 | 2017-04-20 | A kind of power line temperature monitoring system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107144374B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109634815A (en) * | 2018-12-14 | 2019-04-16 | 河南飙风信息科技有限公司 | Enterprise's hardware device automation collection monitoring system |
CN109724709A (en) * | 2019-01-04 | 2019-05-07 | 淮北工科检测检验有限公司 | A kind of mine high-tension cable real-time monitoring system based on LPWAN |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101371492B (en) * | 2006-01-17 | 2012-08-15 | 美国博通公司 | Power over Ethernet controller and method for detecting and classifying power supply equipment |
CN102111014A (en) * | 2009-12-23 | 2011-06-29 | 上海科能电气科技有限公司 | Comprehensive monitoring system of distributed power transmission lines |
CN102313856B (en) * | 2010-06-30 | 2013-09-25 | 北京泰优美科技有限责任公司 | Intelligent 10kV power line state sensor |
CN102141591A (en) * | 2011-01-06 | 2011-08-03 | 上海交通大学 | Device and method for monitoring transient state current-carrying capability of power transmission line |
CN105807176B (en) * | 2016-03-22 | 2020-03-17 | 国网山东省电力公司东营市东营区供电公司 | Laboratory simulation test device and test method for electrical equipment online detection device |
-
2017
- 2017-04-20 CN CN201710259050.5A patent/CN107144374B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN107144374A (en) | 2017-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106355666A (en) | Power equipment inspection device based on RFID (Radio Frequency Identification Device) electronic tag | |
CN103323782A (en) | Lithium battery pack safety monitoring system based on GPRS module | |
CN102230829A (en) | Method and system for monitoring cables and sensing terminal | |
CN107144374B (en) | A kind of power line temperature monitoring system | |
CN106197672A (en) | A kind of transformator method of real-time based on infrared thermal imaging | |
CN207742236U (en) | Power failure alarm device, ammeter and system based on wireless telecommunications | |
CN207530622U (en) | A kind of transformer system for remote monitoring and prewarning | |
CN108199477B (en) | Remote intelligent monitoring method and equipment for faults of AC/DC system of transformer substation | |
CN104950840A (en) | Battery pack monitoring and transmitting system and method | |
CN205539319U (en) | Power grid operation fault detection device | |
CN104482961A (en) | Online monitoring system for high-tension transmission line based on wireless sensor network | |
CN204807605U (en) | Electric energy meter with inside power supply monitors unusually | |
CN104869012B (en) | System and method are monitored based on dispatching of power netwoks phone comprehensive warning | |
CN207263902U (en) | A kind of monitoring device of communication DC power supply | |
CN208636370U (en) | A kind of CVT secondary side remote monitoring device | |
CN208571692U (en) | A kind of circuit reporting working power power fail warning automatically | |
CN209928006U (en) | Monitoring system applied to high-voltage fuse | |
CN208241794U (en) | A kind of intelligent signal interruption alarm device | |
CN202721503U (en) | Intelligent wireless electric power monitor terminal | |
CN206757014U (en) | A kind of batteries information monitoring device | |
CN205622329U (en) | Power dispatching automation is network passageway warning device for system | |
CN207124637U (en) | Computer lab management apparatus and system based on Internet of Things | |
CN204925280U (en) | Power grid equipment fault detection alarm | |
CN205811660U (en) | Electric power supervisory control remote viewing equipment abnormality remote alarming device | |
CN109634815A (en) | Enterprise's hardware device automation collection monitoring system |
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 |