CN113485216A - HPLC carrier intelligent management system and method based on wireless communication - Google Patents
HPLC carrier intelligent management system and method based on wireless communication Download PDFInfo
- Publication number
- CN113485216A CN113485216A CN202110839679.3A CN202110839679A CN113485216A CN 113485216 A CN113485216 A CN 113485216A CN 202110839679 A CN202110839679 A CN 202110839679A CN 113485216 A CN113485216 A CN 113485216A
- Authority
- CN
- China
- Prior art keywords
- module
- concentrator
- management
- wireless communication
- signal
- 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
Images
Classifications
-
- 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
- G05B19/048—Monitoring; Safety
Abstract
The invention provides an HPLC carrier intelligent management system based on wireless communication, which comprises a concentrator, a data processing module and a management module, wherein a concentrator broadband carrier module and a position module are arranged in the concentrator and are used for completing the accurate management of the operation of the concentrator broadband carrier module; the intelligent management system comprises a data processing module, a communication module, a management module, a signal receiving module, a standard module, a warning module and a monitoring module, wherein the data processing module is internally provided with the signal conversion module, the diagnosis module and the monitoring module, the diagnosis module is used for carrying out diagnosis at regular intervals, the data processing module is in signal connection with the management module through the communication module, the management module is also in signal connection with an interaction module, and a manager finishes the input of a manual management command to the management module through the interaction module.
Description
Technical Field
The invention belongs to the technical field of HPLC carrier intelligent management systems, and particularly relates to an HPLC carrier intelligent management system and method based on wireless communication.
Background
The HPLC is a high-speed power line carrier, also called a broadband power line carrier, and is a broadband power line carrier technology for data transmission on a low-voltage power line, and the broadband power line carrier communication network is a communication network that uses a power line as a communication medium to realize aggregation, transmission, and interaction of power consumption information of low-voltage power users. The broadband power line carrier mainly adopts an Orthogonal Frequency Division Multiplexing (OFDM) technology, and the frequency band uses 2MHz-12 MHz. Compared with the traditional low-speed narrowband power line carrier technology, the HPLC technology has large bandwidth and high transmission rate, and can meet the higher requirement of low-voltage power line carrier communication.
Broadband carrier communication units are mainly classified into the following categories: the system comprises a single-phase meter and I-type collector broadband carrier module, a three-phase meter broadband carrier module, a broadband carrier II-type collector, a concentrator broadband carrier module, a broadband carrier copying controller and the like.
At present, an HPLC carrier communication module is very extensive, but most of the operation management and the monitoring of operation data are manually overhauled, the efficiency is low, and the failed broadband carrier communication unit cannot be found in time to influence the operation and maintenance of a power grid.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an HPLC-based method and system for intelligent carrier management to solve the above problems in the background art.
In order to solve the technical problems, the invention adopts the technical scheme that: an HPLC carrier wave intelligent management system based on wireless communication comprises a concentrator, a data processing module and a management module;
the concentrator is internally provided with a concentrator broadband carrier module, the concentrator is accessed to a user ammeter box and used for completing mutual communication, the concentrator is also internally provided with a power supply module and a position module, the power supply module is used for completing the energy supply effect on the concentrator broadband carrier module, and the position module is used for programming logic address information into the connected concentrator broadband carrier module and used for completing the accurate management of the operation of the concentrator broadband carrier module;
the data processing module is internally provided with a signal conversion module, a diagnosis module and a monitoring module, the signal conversion module is used for receiving and converting signals of the concentrator, the diagnosis module is used for diagnosing the operation state of the broadband carrier module of the concentrator at regular intervals and transmitting the result to the information integration module, and the monitoring module is used for monitoring the operation information of the broadband carrier module of the concentrator in real time and transmitting the monitoring information to the information integration module;
the data processing module is in signal connection with the management module through the communication module, a signal receiving module is arranged in the management module, information receiving of the data processing module is completed through the signal receiving module, a standard module is also arranged in the management module, comparison between the operation information of the concentrator broadband carrier module and a standard database is completed through the standard module, and real-time intelligent comparison management effect of the concentrator broadband carrier module is completed;
the management module is also in signal connection with an interaction module, and an administrator completes input of manual management commands of the management module through the interaction module.
Further, the communication module is specifically configured to perform 4G wireless communication, micro-power wireless communication, LoRa wireless communication, NB-IoT wireless communication, or private network wireless communication.
Furthermore, the data processing module is also in signal connection with a storage module, and the storage module consists of a storage hard disk and a cloud disk and is used for timely storing information processed and completed by the data processing module, so that the later-stage calling and using are facilitated.
Furthermore, a warning module is arranged in the management module and is respectively in signal connection with the signal receiving module and the standard module;
when the diagnostic module diagnoses that the running state of the concentrator broadband carrier module is abnormal, the diagnostic module triggers a warning module for reminding an administrator;
and when the standard module compares the operation information of the concentrator broadband carrier module with the standard database and is abnormal, the standard module also triggers the warning module for reminding an administrator.
Furthermore, the management module is also in signal connection with a display module, and the display module is matched with the interaction module to finish the interaction operation between the administrator and the management module.
A management method of an HPLC carrier intelligent management system based on wireless communication is characterized by comprising the following steps:
s1, the concentrator is accessed to a user electricity meter box, an administrator uses an interaction module and a management module to use a position module to program a logic address signal to a concentrator broadband carrier module in the concentrator, and the administrator corresponds to an independent concentrator broadband carrier module when searching for a corresponding logic address;
s2, transmitting the operation signal of the concentrator to the data processing module, completing self-diagnosis function through the diagnosis module, completing real-time monitoring of the operation signal by using the monitoring module, inputting the signals of the diagnosis module and the monitoring module into the information integration module respectively, and transmitting the integrated signals to the management module under the action of the communication module;
and S3, after the signal receiving module in the management module receives the signal, the signal is respectively transmitted to the standard module and the warning module, the standard module is only used for comparing with the standard database, the intelligent management of the operation of the concentrator broadband carrier module is completed, and when the standard module or the diagnosis module finds abnormality, the warning module is intelligently triggered to complete the intelligent management function.
And S4, the administrator can manually manage through the interaction module, and the operation signal is displayed through the display module, so that the manual management of the administrator is facilitated.
Compared with the prior art, the invention has the following advantages:
the invention connects the concentrator and the digital processing module by signal, connects the data processing module and the management module by communication module, and the communication module is a remote wireless communication unit, so that when in use, after the concentrator is connected to the user electricity meter box, the manager uses the position module in the interactive module and the management module to program logic address signal to the concentrator broadband carrier module in the concentrator, the manager corresponds to the independent concentrator broadband carrier module when searching the corresponding logic address, the operation signal of the concentrator is transmitted to the data processing module, the self-diagnosis function is completed by the diagnosis module, and simultaneously the real-time monitoring of the operation signal is completed by the monitoring module, the signals of the diagnosis module and the monitoring module are respectively input into the information integration module, and are transmitted to the management module under the function of the communication module after being integrated by the information integration module, after receiving the signals, the signal receiving module in the management module respectively transmits the signals to the standard module and the warning module, the standard module is used for comparing with the standard database only, intelligent management of operation of the concentrator broadband carrier module is completed, and when the standard module or the diagnosis module finds abnormality, the warning module is intelligently triggered to complete intelligent management.
Drawings
FIG. 1 is a general principle framework of the present invention;
description of reference numerals:
the system comprises a concentrator 1, a power supply module 11, a position module 12, a concentrator broadband carrier module 13, a data processing module 2, a signal conversion module 21, a diagnosis module 22, a monitoring module 23, an information integration module 24, a communication module 25, a management module 3, a signal receiving module 31, a standard module 32, a warning module 33, an interaction module 4 and a storage module 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: an HPLC carrier wave intelligent management system based on wireless communication comprises a concentrator 1, a data processing module 2 and a management module 3;
a concentrator broadband carrier module 13 is arranged in the concentrator 1, and the concentrator 1 is connected to a user electric meter box and used for completing mutual communication.
Still be provided with power module 11 and position module 12 in the concentrator 1, power module 11 accomplishes the energy supply effect to concentrator broadband carrier module 13.
The location module 12 is configured to compile logical address information into the connected concentrator broadband carrier module 13, specifically, an administrator compiles a logical address signal into the concentrator broadband carrier module 13 in the concentrator 1 by using the interaction module 4 and the management module 3 by using the location module 12, and the administrator corresponds to the independent concentrator broadband carrier module 13 when searching for a corresponding logical address, so as to complete accurate management of operation of the concentrator broadband carrier module 13.
The data processing module 2 is internally provided with a signal conversion module 21, a diagnosis module 22 and a monitoring module 23, and the signal conversion module 21 is used for receiving and converting signals of the concentrator 1.
The diagnosis module 22 is configured to diagnose the operation state of the concentrator broadband carrier module 13 periodically, where the diagnosis is repeated at intervals of 1 minute, and when the diagnosis module 22 diagnoses that the operation state of the concentrator broadband carrier module 13 is abnormal, the warning module 33 is triggered to remind an administrator.
The diagnosis module 22 transmits the result to the information integration module 24, and the monitoring module 23 is configured to perform real-time monitoring on the operation information of the concentrator broadband carrier module 13, transmit the monitoring information to the information integration module 24, and transmit the monitoring information to the management module 3 under the action of the communication module 25 after being integrated by the information integration module 24.
The data processing module 2 is further in signal connection with a storage module 5, the storage module 5 is composed of a storage hard disk and a cloud disk and used for timely storing information processed and completed by the data processing module 2, and later-stage calling and using are facilitated.
The data processing module 2 is in signal connection with the management module 3 through the communication module 25, the communication module 25 specifically is 4G wireless communication, micropower wireless communication, LoRa wireless communication, NB-IoT wireless communication or private network wireless communication, remote wireless management of the concentrator broadband carrier module 13 can be completed by utilizing the communication module 25, abnormal transmission of information in the management process can be avoided through various communication modes, timely and stable transmission of the information between the data processing module 2 and the management module 3 is facilitated, and the stability and timeliness of management of the concentrator broadband carrier module 13 are improved.
The management module 3 is internally provided with a signal receiving module 31, and the information receiving of the data processing module 2 is completed through the signal receiving module 31.
The management module 3 is also internally provided with a standard module 32, a standard database is preset in the standard module 32, the standard database is updated regularly by an administrator, the comparison between the operation information of the concentrator broadband carrier module 13 and the standard database is completed through the standard module 32, and the real-time intelligent comparison management effect of the concentrator broadband carrier module 13 is completed.
The management module 3 is also internally provided with a warning module 33, and the warning module 33 is respectively in signal connection with the signal receiving module 31 and the standard module 32;
when the diagnostic module 22 diagnoses that the operation state of the concentrator broadband carrier module 13 is abnormal, the warning module 33 is triggered to remind an administrator;
when the standard module 32 compares the operation information of the concentrator broadband carrier module 13 with the standard database and is abnormal, the alarm module 33 is also triggered to remind the administrator
The management module 3 is also connected with an interaction module 4 through signals, and an administrator completes the input of manual management commands of the management module 3 through the interaction module 4.
The management module 3 is further connected with a display module 34 through signals, and the display module 34 and the interaction module 4 are matched for use to complete interaction operation between an administrator and the management module 3.
s1, the concentrator 1 is accessed to a user electricity meter box, an administrator utilizes the interaction module 4 and the management module 3 to utilize the position module 12 to program a logic address signal to the concentrator broadband carrier module 13 in the concentrator 1, and the administrator corresponds to the independent concentrator broadband carrier module 13 when searching for a corresponding logic address;
s2, transmitting the operation signal of the concentrator 1 to the data processing module 2, completing self-diagnosis through the diagnosis module 22, completing real-time monitoring of the operation signal by using the monitoring module 23, inputting the signals of the diagnosis module 22 and the monitoring module 23 into the information integration module 24 respectively, and transmitting the integrated signals to the management module 3 under the action of the communication module 25 after being integrated by using the information integration module 24;
s3, after receiving the signal, the signal receiving module 31 in the management module 3 transmits the signal to the standard module 32 and the warning module 33, and the standard module 32 only compares the signal with the standard database to complete the intelligent management of the operation of the concentrator broadband carrier module 13, and when the standard module 32 or the diagnostic module 22 finds an abnormality, the warning module 33 is triggered intelligently to complete the intelligent management function.
And S4, the administrator can perform manual management through the interaction module 4, and the operation signal is displayed through the display module 34, so that the manual management of the administrator is facilitated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An HPLC carrier intelligent management system based on wireless communication is characterized in that: comprises a concentrator (1), a data processing module (2) and a management module (3);
a concentrator broadband carrier module (13) is arranged in the concentrator (1), the concentrator (1) is connected to a user ammeter box and used for completing mutual communication, a power module (11) and a position module (12) are further arranged in the concentrator (1), the power module (11) completes the energy supply function on the concentrator broadband carrier module (13), and the position module (12) is used for programming logic address information into the connected concentrator broadband carrier module (13) and used for completing the accurate management of the operation of the concentrator broadband carrier module (13);
a signal conversion module (21), a diagnosis module (22) and a monitoring module (23) are arranged in the data processing module (2), the signal conversion module (21) is used for receiving and converting signals of the concentrator (1), the diagnosis module (22) is used for diagnosing the operation state of the concentrator broadband carrier module (13) periodically and transmitting the result to the information integration module (24), and the monitoring module (23) is used for monitoring the operation information of the concentrator broadband carrier module (13) in real time and transmitting the monitoring information to the information integration module (24);
the data processing module (2) is in signal connection with the management module (3) through the communication module (25), the management module (3) is internally provided with a signal receiving module (31), information receiving of the data processing module (2) is completed through the signal receiving module (31), the management module (3) is also internally provided with a standard module (32), running information of the concentrator broadband carrier module (13) is compared with a standard database through the standard module (32), and real-time intelligent comparison management of the concentrator broadband carrier module (13) is completed;
the management module (3) is further connected with an interaction module (4) through signals, and an administrator completes input of manual management commands of the management module (3) through the interaction module (4).
2. An HPLC carrier intelligent management system based on wireless communication according to claim 1, characterized in that said communication module (25) is specifically 4G wireless communication, micro power wireless communication, LoRa wireless communication, NB-IoT wireless communication or private network wireless communication.
3. The HPLC carrier intelligent management system based on wireless communication of claim 1, wherein the data processing module (2) is further connected with a storage module (5) by signals, and the storage module (5) is composed of a storage hard disk and a cloud disk and is used for completing the timely storage of information processed by the data processing module (2) and facilitating the later-stage calling and use.
4. An HPLC carrier intelligent management system based on wireless communication as claimed in claim 1, wherein an alarm module (33) is further disposed in the management module (3), and the alarm module (33) is in signal connection with the signal receiving module (31) and the standard module (32), respectively;
when the diagnostic module (22) diagnoses that the running state of the concentrator broadband carrier module (13) is abnormal, the alarm module (33) is triggered to remind an administrator;
when the standard module (32) compares the operation information of the concentrator broadband carrier module (13) with the standard database and is abnormal, the alarm module (33) is triggered to remind an administrator.
5. An HPLC carrier intelligent management system based on wireless communication as claimed in claim 1, wherein said management module (3) is further connected with a display module (34) by signal, said display module (34) and the interaction module (4) cooperate to complete the interaction operation between the administrator and the management module (3).
6. A management method of an HPLC carrier intelligent management system based on wireless communication according to any of claims 1-5, characterized by comprising the following steps:
s1, the concentrator (1) is accessed to a user electricity meter box, an administrator uses the interaction module (4) and the management module (3) to use the position module (12) to program a logic address signal into the concentrator broadband carrier module (13) in the concentrator (1), and the administrator corresponds to the independent concentrator broadband carrier module (13) when searching for a corresponding logic address;
s2, transmitting the operation signal of the concentrator (1) to a data processing module (2), completing self-diagnosis through a diagnosis module (22), simultaneously completing real-time monitoring on the operation signal by using a monitoring module (23), inputting the signals of the diagnosis module (22) and the monitoring module (23) into an information integration module (24) respectively, and transmitting the signals into a management module (3) under the action of a communication module (25) after being integrated by using the information integration module (24);
s3, after a signal receiving module (31) in the management module (3) receives the signal, the signal is respectively transmitted to a standard module (32) and a warning module (33), the standard module (32) is used for comparing with a standard database only, so that the intelligent management of the operation of the concentrator broadband carrier module (13) is completed, and when the standard module (32) or the diagnosis module (22) finds abnormality, the warning module (33) is intelligently triggered to complete the intelligent management function.
S4, the administrator can manually manage through the interaction module (4), and the operation signal is displayed through the display module (34), so that the manual management of the administrator is facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110839679.3A CN113485216A (en) | 2021-07-23 | 2021-07-23 | HPLC carrier intelligent management system and method based on wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110839679.3A CN113485216A (en) | 2021-07-23 | 2021-07-23 | HPLC carrier intelligent management system and method based on wireless communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113485216A true CN113485216A (en) | 2021-10-08 |
Family
ID=77943496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110839679.3A Pending CN113485216A (en) | 2021-07-23 | 2021-07-23 | HPLC carrier intelligent management system and method based on wireless communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113485216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115766398A (en) * | 2022-11-29 | 2023-03-07 | 国网江苏省电力有限公司南通供电分公司 | Platform district power consumption information acquisition fault analysis system based on edge calculation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006136A (en) * | 2015-06-29 | 2015-10-28 | 赖玉春 | Remote electric quantity automatic acquisition system |
| CN105591826A (en) * | 2016-03-18 | 2016-05-18 | 光一科技股份有限公司 | Low voltage power line broadband carrier communication network fault diagnostic device and method |
| CN105809942A (en) * | 2016-03-17 | 2016-07-27 | 国家电网公司 | Data processing method and device for electricity information collection system |
| CN106056896A (en) * | 2016-06-23 | 2016-10-26 | 国网天津市电力公司 | Intelligent power utilization system and test method based on low-voltage power line carrier |
| CN206282427U (en) * | 2016-12-29 | 2017-06-27 | 国家电网公司 | A kind of carrier module detector |
| CN112071050A (en) * | 2020-08-12 | 2020-12-11 | 南京南瑞信息通信科技有限公司 | Concentrator terminal and electricity consumption data acquisition system |
| CN113012421A (en) * | 2021-02-09 | 2021-06-22 | 深圳市国电科技通信有限公司 | Method and system for remote operation and maintenance of HPLC communication module |
-
2021
- 2021-07-23 CN CN202110839679.3A patent/CN113485216A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006136A (en) * | 2015-06-29 | 2015-10-28 | 赖玉春 | Remote electric quantity automatic acquisition system |
| CN105809942A (en) * | 2016-03-17 | 2016-07-27 | 国家电网公司 | Data processing method and device for electricity information collection system |
| CN105591826A (en) * | 2016-03-18 | 2016-05-18 | 光一科技股份有限公司 | Low voltage power line broadband carrier communication network fault diagnostic device and method |
| CN106056896A (en) * | 2016-06-23 | 2016-10-26 | 国网天津市电力公司 | Intelligent power utilization system and test method based on low-voltage power line carrier |
| CN206282427U (en) * | 2016-12-29 | 2017-06-27 | 国家电网公司 | A kind of carrier module detector |
| CN112071050A (en) * | 2020-08-12 | 2020-12-11 | 南京南瑞信息通信科技有限公司 | Concentrator terminal and electricity consumption data acquisition system |
| CN113012421A (en) * | 2021-02-09 | 2021-06-22 | 深圳市国电科技通信有限公司 | Method and system for remote operation and maintenance of HPLC communication module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115766398A (en) * | 2022-11-29 | 2023-03-07 | 国网江苏省电力有限公司南通供电分公司 | Platform district power consumption information acquisition fault analysis system based on edge calculation |
| CN115766398B (en) * | 2022-11-29 | 2023-09-22 | 国网江苏省电力有限公司南通供电分公司 | Station area electricity consumption information acquisition fault analysis system based on edge calculation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101794480B (en) | Pre-purchased power controller | |
| CN103513167A (en) | Switch partial discharge condition monitoring device based on distributed network platforms | |
| CN108111347A (en) | A kind of transformer and distribution power station Low-side faults on-line monitoring and diagnosis system | |
| CN112737105B (en) | Intelligent power distribution and utilization monitoring, early warning and protection control system based on Internet of things | |
| CN201859537U (en) | Multifunctional bandwidth power carrier concentrator | |
| CN111581196A (en) | Supply and distribution power grid intelligent data acquisition and arrangement system based on intelligent factory framework | |
| Zhao et al. | Research and thinking of friendly smart home energy system based on smart power | |
| CN206370731U (en) | A kind of Feeder Terminal Unit and electrical power distribution automatization system | |
| CN113485216A (en) | HPLC carrier intelligent management system and method based on wireless communication | |
| CN116505656A (en) | Wind-light-storage multifunctional complementary intelligent power utilization system based on 5G Internet of things technology | |
| CN103529327B (en) | A kind of full station equipment for monitoring power quality and monitoring method being suitable for Intelligent transformer station | |
| CN203177894U (en) | Embedded monitoring system of large rotating machinery | |
| CN112664439A (en) | Secondary water supply intelligent control system | |
| CN213585813U (en) | Park enterprise end multipotency data acquisition gateway | |
| CN213780745U (en) | Automobile fault diagnosis system based on CAN bus | |
| CN202033052U (en) | Intelligent online monitoring and early warning device for cable running conditions | |
| CN211928051U (en) | Low-voltage distribution network line loss diagnosis system | |
| CN112087057B (en) | Intelligent electricity larceny prevention method | |
| CN210927110U (en) | Intelligent measurement and control device based on new energy power station | |
| CN114062801A (en) | Power failure event quasi-real-time monitoring method and system based on edge calculation | |
| CN109828489B (en) | General type comprehensive monitoring preposed communication controller software | |
| CN110992669A (en) | Remote meter reading equipment platform | |
| CN207182394U (en) | A kind of trial operation Substation Risk Assessment system | |
| CN206411499U (en) | A kind of energy control and managing device | |
| CN113659704A (en) | Remote monitoring system for new energy power station |
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 |