CN108754505A - NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system - Google Patents
NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system Download PDFInfo
- Publication number
- CN108754505A CN108754505A CN201810940700.7A CN201810940700A CN108754505A CN 108754505 A CN108754505 A CN 108754505A CN 201810940700 A CN201810940700 A CN 201810940700A CN 108754505 A CN108754505 A CN 108754505A
- Authority
- CN
- China
- Prior art keywords
- cathodic protection
- stake
- acquisition terminal
- acquisition
- terminal
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/22—Monitoring arrangements therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
- C23F2213/30—Anodic or cathodic protection specially adapted for a specific object
- C23F2213/32—Pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a kind of NB-IoT types low-power consumption gas pipeline cathodic protection potentials to monitor system; pass through terminal active isolation measurand, low-power consumption, period automatic collection gas pipeline cathodic protection potential; noise reduction is filtered, server platform is transferred to by NB-IoT;Monitoring system software C/S frameworks, Remote configuration terminal collection period, achieve the effect that at-once monitor.The invention has the advantages that:1,NB-IoT:Low-power consumption, wide based on Cellular Networks covering, deployment is flexible.2, when this acquisition terminal is without task, actively cut-out, isolation is tested electric potential signal, does not generate additional interference to system under test (SUT).3, this monitoring system software C/S frameworks share task, make full use of device hardware resource.4, this monitoring system, terminal collection period can Remote configuration, flexibly monitor.
Description
Technical field
The present invention relates to gas pipeline cathodic protection potential remote-controllables to monitor field, the low work(of specifically a kind of NB-IoT types
It consumes gas pipeline cathodic protection potential and monitors system.
Background technology
Combustion gas steel buried pipeline is the main gas supply means of town gas enterprise, by region underground environment complexity, pole
Failure event occurs for Yi Yin corrosion, causes fire and explosion, pollutes the pernicious consequence such as environment.Cathodic protection is combustion gas steel
The main controlling indicator of a kind of effective ways of pipe protection, the system is pipe protection current potential, in order to extend to greatest extent
The service life of steel pipe ensures the safe operation of pipeline, it is necessary to pipe protection current potential is monitored, understood based on potential data,
Analysis conduit state takes countermeasure.
Currently, to the pattern that the collection of protection potential is mainly acquired using manual site, the maloperation of Field Force is misread
Number etc., can be caused to mislead to pipeline performance state-evaluation.In order to improve reliability, the accuracy of data collection, the country also develops
Some protection potential automatic acquisition equipments are gone out, have realized that current potential remotely monitors by communication technologys such as GPRS, ZigBee, monitoring pipe
Manage software B/S frameworks.But all more or less there are some application technology problems.
Realize that current potential remotely monitors by communication technologys such as GPRS, ZigBee in the prior art, monitoring management software B/S framves
Structure, but this mode has the following defects:
1, GPRS, ZigBee communication technical disadvantages:GPRS power consumptions are high, ZigBee is apart from short, the two defects can not be simultaneously
It solves;
2, acquisition terminal and measurand connect always, and may have an adverse effect to system under test (SUT) after long-time (can
Energy under-enumeration);
3, monitoring system software B/S frameworks, processing task concentrate on server, load height (possible under-enumeration);
4, monitoring platform is unable to control collecting device collection period, can not flexibly monitor measurand (possible under-enumeration).
Invention content
The purpose of the present invention is to provide a kind of NB-IoT types low-power consumption gas pipeline cathodic protection potentials to monitor system, with
Solve the problems mentioned above in the background art.
To achieve the above object, the present invention provides the following technical solutions:
NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system, including acquisition terminal, monitoring of software;Acquisition
Terminal disposition is measured in gas pipeline cathodic protection by stake, period automation collection cathodic protection potential data and battery capacity number
According to encryption data accesses Internet network, with clothes with after framing by NB-IoT communication modules in terminal and the base stations NB-IoT
Business end monitoring of software communication;Service terminal software receives, handles data, and is stored in database;Client software accesses service
Device database, human-computer interaction, processing, display monitoring data;Client software summary responses control parameter operates, and parameter is sent
To service terminal software, service terminal software stores parameter and is transmitted in database and when next acquisition terminal wakes up communication, acquires
Terminal receives data, decoding, parsing control parameter and dispatches execution controlling behavior.
When acquisition tasks occur, NB-IoT type low-power consumption gas pipeline cathodic protection potential acquisition terminals are in middle control unit control
Under system, gas pipeline cathodic protection potential signal follows circuit by lightning protection circuit, disconnecting switch circuit, stabilization, is adopted into AD
Collect module;It is middle control to AD acquisition current potential Value Data be filtered noise reduction process, then with battery capacity data carry out combining encryption,
Framing, scheduling access Internet network by NB-IoT communication modules, and are sent to monitoring server-side;When there is no task, adopt
Collect terminal in middle control under power control circuit control, closes the electricity such as all peripheral hardwares, potential isolation Acquisition Circuit, communication unit
Road, modular power source are cut off by potential isolation Acquisition Circuit and are tested cathodic protection potential signal, into deep-sleep low-power consumption shape
State.
When the cathodic protection of acquisition terminal ground measures stake installation, acquisition terminal is embraced bundle and is being measured by installing backboard and anchor ear
Stake stake door lower rear;Acquisition terminal cable and its protective case pass through measurement stake trepanning to enter with hole set and measure inside stake, acquire
Terminal cable cathodic protection potential line end, which is connected to, to be measured on stake terminal plate cathodic protection potential connecting terminal;Long-acting reference electrode
Underground, cable and its protective case are embedded in by ground downward cabling to measurement stake, ground is pierced by and is connected up along stake is measured, and across survey
It measures stake trepanning with hole set to enter inside measurement stake, be connect with acquisition terminal cable long-acting reference electrode line end.
When acquisition terminal underground shaft cathodic protection measures stake installation, acquisition terminal is mounted on by installing backboard with screw
Above hoistway wall;Acquisition terminal cable and its protective case pass through measurement stake trepanning to enter with hole set and measure inside stake, acquisition terminal
Cable cathodic protection potential line end, which is connected to, to be measured on stake terminal plate cathodic protection potential connecting terminal;Long-acting reference electrode is embedded in
Underground, cable and its protective case enter with hole set across measurement stake trepanning and measure in stake in the downward cabling to vertical shaft of ground
Portion is connect with acquisition terminal cable long-acting reference electrode line end.
Compared with prior art, the beneficial effects of the invention are as follows:
1, low-power consumption, power saving save maintenance, cost-saving;
2, cellular base station covering is wide, network deployment is flexible;
3, active isolation does not generate excessive interference to system under test (SUT);
4, gathered data filters noise reduction, and data are more acurrate;
5, monitoring system software C/S frameworks, make full use of hardware resource;
6, terminal collection period can be remotely arranged, and flexibly monitor.
Description of the drawings
Fig. 1:Monitor system overview;
Fig. 2:Acquisition terminal functional block diagram (signal stream, data flow, control information flow, power flow);
Fig. 3:Acquisition terminal main task flow graph;
Fig. 4:Acquisition terminal time synchronization subtask flow graph;
Fig. 5:Acquisition terminal scheme of installation;
Fig. 6:Acquisition terminal installs another schematic diagram.
Specific implementation mode
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
The monitoring system includes acquisition terminal, monitoring of software;Acquisition terminal by potential isolation Acquisition Circuit, communication module and
The compositions such as SIM card/antenna, middle control unit, power supply unit, middle control unit control/connect potential isolation Acquisition Circuit, communication respectively
Module;Monitoring of software is made of server-side, client software.Acquisition terminal is under the control of middle control unit, cathodic protection potential letter
Number by lightning-protection module, disconnecting switch circuit, stabilization follow circuit, into AD acquisition modules;Middle control unit acquires current potential to AD
Data first filter noise reduction process, then with combining encryptions, framing, the scheduling such as battery supply electricity data, are communicated by NB-IoT
Module accesses the base stations NB-IoT, and accesses Internet network, is sent to predetermined server;The software reception of server service end,
The data that processing, storage receive;Client software accesses server database, human-computer interaction, processing, display monitoring data.
When acquisition terminal does not have task execution, all peripheral hardwares, functional unit power supply are closed, cloudy guarantor's electric potential signal is isolated, stops into depth
Dormancy low power consumpting state.Client software summary responses control parameter operates, and parameter is sent to service terminal software, service terminal software
Storage parameter is transmitted when next acquisition terminal wakes up communication, and acquisition terminal receives data, in the decoding of middle control unit, parsing control
Parameter processed simultaneously dispatches execution controlling behavior
In the embodiment of the present invention, NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system, pass through terminal master
Dynamic isolation measurand, low-power consumption, period automatic collection gas pipeline cathodic protection potential, filter noise reduction, are passed by NB-IoT
It is defeated to arrive server platform;Monitoring system software C/S frameworks, Remote configuration terminal collection period, achieve the effect that at-once monitor.
As shown in Figure 1, NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitoring system, including acquisition terminal 111,
Monitoring of software 141/142/143;Acquisition terminal 111 is deployed in gas pipeline cathodic protection and measures by stake 112, and period automation is adopted
Collect cathodic protection potential data and battery capacity data, encryption data with after framing, by NB-IoT communication modules in terminal with
Internet network 15 is accessed in the base stations NB-IoT 13, is communicated with server-side monitoring of software 142;Service terminal software 142 is received, is handled
Data, and be stored in database 143;Client software 141 accesses server database 143, human-computer interaction, processing, display
Monitoring data.141 summary responses control parameter of client software operates, and parameter is sent to service terminal software 142, server-side is soft
Part 142 stores parameter and is transmitted in database 143 and when next acquisition terminal 111 wakes up communication, and acquisition terminal 111 receives
Data, decoding, parsing control parameter simultaneously dispatch execution controlling behavior.
As shown in Fig. 2, when acquisition tasks occur, NB-IoT type low-power consumption gas pipeline cathodic protection potential acquisition terminals exist
Under middle control unit 24 controls, gas pipeline cathodic protection potential signal passes through lightning protection circuit 21, disconnecting switch circuit 221, stablizes
Circuit 222 is followed, into AD acquisition modules 241;242 pairs of AD241 acquisition current potential Value Datas of middle control are filtered noise reduction process,
Combining encryption, framing, scheduling then are carried out with battery capacity data, Internet is accessed by NB-IoT communication modules 25
Network, and it is sent to monitoring server-side.When not having task, acquisition terminal is closed in the case where middle control 242 is controlled with power control circuit 261
Circuits, the modular power sources such as all peripheral hardwares, potential isolation Acquisition Circuit 22, communication unit 25 are closed, potential isolation Acquisition Circuit is passed through
22 cut-outs are tested cathodic protection potential signal, into deep-sleep low power consumpting state.
As shown in figure 5, when the cathodic protection of acquisition terminal ground measures stake installation, acquisition terminal 511 is by installing backboard
512 embrace bundle with anchor ear 513 is measuring 53 532 lower rears of door of stake;Acquisition terminal cable 514 and its protective case, which pass through, measures stake
Trepanning 533 enters with hole set to be measured inside stake, and 514 cathodic protection potential line end of acquisition terminal cable, which is connected to, measures stake terminal plate
On 531 cathodic protection potential connecting terminals;Long-acting reference electrode 521 is embedded in underground, and cable 522 and its protective case are on ground
It by downward cabling to measurement stake 53, is pierced by ground and is connected up along stake 53 is measured, and enter with hole set across measurement stake trepanning 533 and measure
Inside stake 53, it is connect with 514 long-acting reference electrode line end of acquisition terminal cable.
When acquisition terminal underground shaft cathodic protection measures stake installation, acquisition terminal 511 is by installing backboard 512 and screw
Above 541 wall of vertical shaft;Acquisition terminal cable 514 and its protective case pass through measurement stake trepanning 533 to enter with hole set and measure
Stake is internal, and 514 cathodic protection potential line end of acquisition terminal cable, which is connected to, measures the 531 cathodic protection potential wiring of stake terminal plate
On terminal;Long-acting reference electrode 521 is embedded in underground, cable 522 and its protective case in ground downward cabling to vertical shaft 541, and
Enter inside measurement stake 53 with hole set across stake trepanning 533 is measured, connects with 514 long-acting reference electrode line end of acquisition terminal cable
It connects.
The invention has the advantages that:
1,NB-IoT:Low-power consumption, wide based on Cellular Networks covering, deployment is flexible.
2, when this acquisition terminal is without task, actively cut-out, isolation is tested electric potential signal, is not generated to system under test (SUT) additional dry
It disturbs.
3, this monitoring system software C/S frameworks share task, make full use of device hardware resource.
4, this monitoring system, terminal collection period can Remote configuration, flexibly monitor.
5, gathered data eliminates random disturbances, data are more acurrate by filtering noise reduction technology processing.
6, acquisition terminal IP65 protection Designs adapt to adverse circumstances deployment.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1.NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system, which is characterized in that including acquisition terminal
(111), monitoring of software (141)/(142)/(143);Acquisition terminal (111) is deployed in gas pipeline cathodic protection and measures stake
(112) other, period automation collection cathodic protection potential data and battery capacity data, encryption data pass through end with after framing
NB-IoT communication modules and the base stations NB-IoT (13) access Internet network (15) on end, with server-side monitoring of software (142)
Communication;Service terminal software (142) receives, handles data, and is stored in database (143);Client software (141) accesses clothes
Business device database (143), human-computer interaction, processing, display monitoring data;Client software (141) summary responses control parameter is grasped
Make, parameter is sent to service terminal software (142), service terminal software (142) stores parameter in database (143) and under
Secondary acquisition terminal (111) is transmitted when waking up communication, and acquisition terminal (111) receives data, decoding, parsing control parameter and dispatches
Execute controlling behavior.
2. a kind of NB-IoT types low-power consumption gas pipeline cathodic protection potential according to claim 1 monitors system, special
Sign is that when acquisition tasks occur, NB-IoT type low-power consumption gas pipeline cathodic protection potential acquisition terminals are in middle control unit
(24) control under, gas pipeline cathodic protection potential signal by lightning protection circuit (21), disconnecting switch circuit (221), stablize with
With circuit (222), into AD acquisition modules (241);Middle control (242) is filtered noise reduction to AD (241) acquisition current potential Value Datas
Processing then carries out combining encryption, framing, scheduling with battery capacity data, is accessed by NB-IoT communication modules (25)
Internet network, and it is sent to monitoring server-side;When not having task, acquisition terminal is in middle control (242) and power control circuit
(261) under controlling, circuits, the modular power sources such as all peripheral hardwares, potential isolation Acquisition Circuit (22), communication unit (25) are closed, is led to
Overpotential is isolated Acquisition Circuit (22) and cuts off tested cathodic protection potential signal, into deep-sleep low power consumpting state.
3. a kind of NB-IoT types low-power consumption gas pipeline cathodic protection potential according to claim 1 monitors system, special
Sign is that when the cathodic protection of acquisition terminal ground measures stake installation, acquisition terminal (511) is by installing backboard (512) and anchor ear
(513) it embraces bundle and is measuring stake (53) stake door (532) lower rear;Acquisition terminal cable (514) and its protective case, which pass through, measures stake
Trepanning (533) enters with hole set to be measured inside stake, and acquisition terminal cable (514) cathodic protection potential line end is connected to measurement staking
On line plate (531) cathodic protection potential connecting terminal;Long-acting reference electrode (521) is embedded in underground, cable (522) and its protection
It is other to stake (53) is measured to be sleeved on ground downward cabling, is pierced by ground and is connected up along stake (53) is measured, and across measure stake trepanning (533) with
Hole set, which enters, measures stake (53) inside, is connect with acquisition terminal cable (514) long-acting reference electrode line end.
4. a kind of NB-IoT types low-power consumption gas pipeline cathodic protection potential according to claim 1 monitors system, special
Sign is, when acquisition terminal underground shaft cathodic protection measures stake installation, acquisition terminal (511) by install backboard (512) with
Screw is mounted on above vertical shaft (541) wall;Acquisition terminal cable (514) and its protective case, which pass through, measures stake trepanning (533) and hole
Set, which enters, to be measured inside stake, and acquisition terminal cable (514) cathodic protection potential line end, which is connected to, measures stake terminal plate (531) cathode
On protection potential connecting terminal;Long-acting reference electrode (521) is embedded in underground, and cable (522) and its protective case are walked in subsurface
In line to vertical shaft (541), and enter with hole set across measurement stake trepanning (533) and measure stake (53) inside, with acquisition terminal cable
(514) long-acting reference electrode line end connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810940700.7A CN108754505A (en) | 2018-08-17 | 2018-08-17 | NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810940700.7A CN108754505A (en) | 2018-08-17 | 2018-08-17 | NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108754505A true CN108754505A (en) | 2018-11-06 |
Family
ID=63966244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810940700.7A Pending CN108754505A (en) | 2018-08-17 | 2018-08-17 | NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108754505A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111235583A (en) * | 2018-11-29 | 2020-06-05 | 深圳信息职业技术学院 | Method and system for monitoring residual life of sacrificial anode of gas pipeline on line |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103985243A (en) * | 2014-05-30 | 2014-08-13 | 王辉 | Cathode protective potential monitoring system for buried metal pipeline |
CN104928684A (en) * | 2015-05-08 | 2015-09-23 | 中国石油化工股份有限公司 | Buried pipeline cathode protection data transmission system |
CN206467294U (en) * | 2017-01-19 | 2017-09-05 | 辽宁工业大学 | A kind of buried pipeline cathodic protection monitoring device |
CN107313052A (en) * | 2016-04-26 | 2017-11-03 | 西安电子科技大学 | A kind of synchronous detecting system of pipe cathode current potential and detection method |
CN107846231A (en) * | 2017-11-24 | 2018-03-27 | 邱诗俊 | A kind of NB IOT network-termination device |
CN107904600A (en) * | 2018-01-02 | 2018-04-13 | 重庆燃气集团股份有限公司 | A kind of cathodic protection system of buried metal pipeline and anode detecting system and method |
-
2018
- 2018-08-17 CN CN201810940700.7A patent/CN108754505A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103985243A (en) * | 2014-05-30 | 2014-08-13 | 王辉 | Cathode protective potential monitoring system for buried metal pipeline |
CN104928684A (en) * | 2015-05-08 | 2015-09-23 | 中国石油化工股份有限公司 | Buried pipeline cathode protection data transmission system |
CN107313052A (en) * | 2016-04-26 | 2017-11-03 | 西安电子科技大学 | A kind of synchronous detecting system of pipe cathode current potential and detection method |
CN206467294U (en) * | 2017-01-19 | 2017-09-05 | 辽宁工业大学 | A kind of buried pipeline cathodic protection monitoring device |
CN107846231A (en) * | 2017-11-24 | 2018-03-27 | 邱诗俊 | A kind of NB IOT network-termination device |
CN107904600A (en) * | 2018-01-02 | 2018-04-13 | 重庆燃气集团股份有限公司 | A kind of cathodic protection system of buried metal pipeline and anode detecting system and method |
Non-Patent Citations (1)
Title |
---|
赵勇等: "智慧燃气及其发展方向", 《城市燃气》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111235583A (en) * | 2018-11-29 | 2020-06-05 | 深圳信息职业技术学院 | Method and system for monitoring residual life of sacrificial anode of gas pipeline on line |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111007433B (en) | Intelligent electricity utilization safety supervision system based on Internet of things | |
CN204177912U (en) | Based on Distribution Network Failure early warning and the positioning system of GIS application | |
CN201540592U (en) | Electric energy quality monitoring management system structure | |
CN103729990A (en) | On-line cable line monitoring system based on all-in-one sensor | |
CN107064672A (en) | A kind of low voltage failure on-line monitoring system | |
CN109240126A (en) | A kind of distributed application services monitoring system and method with simulated operation function | |
CN109357166A (en) | LoRa type low-power consumption gas pipeline cathodic protection potential monitors system | |
CN204731826U (en) | A kind of polling transmission line management system based on GPS technology | |
CN107968486A (en) | A kind of method for scheduling task of intelligent power distribution room monitoring system | |
CN202565022U (en) | Fault monitoring system capable of monitoring fault of electric power dispatching automation device | |
CN108134453A (en) | A kind of early warning alarm method of intelligent power distribution room monitoring system | |
CN207319050U (en) | A kind of Centralized Monitoring operational system of photovoltaic power station | |
CN105676157A (en) | WAMS low-frequency oscillation identification function test system and WAMS low-frequency oscillation identification function test method | |
CN204906004U (en) | Distributed intelligent regional power grid of network layering | |
CN105467936A (en) | Power equipment monitoring system | |
CN108754505A (en) | NB-IoT type low-power consumption gas pipeline cathodic protection potentials monitor system | |
CN202025062U (en) | Small neutral earthed system fault locating device based on 3G (The 3rd Generation Telecommunication) communication network | |
CN110430085B (en) | Intelligent detection device for centralized meter reading communication faults | |
CN108933482A (en) | Distribution power automation terminal equipment off-line analysis of causes method based on wireless network signal strength big data | |
CN108988961A (en) | A kind of radio monitoring operation management system | |
CN111786463A (en) | Electric power energy-saving monitoring control system | |
CN111490593A (en) | Urban cable prevents external damage risk assessment early warning platform | |
CN204989873U (en) | Electrical room device is joined in marriage to wisdom | |
CN113584492B (en) | Sacrificial anode intelligent state monitor based on wireless communication and monitoring method thereof | |
CN109839568A (en) | Transmission line malfunction diagnostic system based on zero-sequence current detection |
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: 20181106 |
|
RJ01 | Rejection of invention patent application after publication |