CN102570478A - Low-voltage power grid monitoring system - Google Patents
Low-voltage power grid monitoring system Download PDFInfo
- Publication number
- CN102570478A CN102570478A CN2012100093007A CN201210009300A CN102570478A CN 102570478 A CN102570478 A CN 102570478A CN 2012100093007 A CN2012100093007 A CN 2012100093007A CN 201210009300 A CN201210009300 A CN 201210009300A CN 102570478 A CN102570478 A CN 102570478A
- Authority
- CN
- China
- Prior art keywords
- low
- data
- main control
- control module
- voltage equipment
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
An embodiment of the invention provides a low-voltage power grid monitoring system, which comprises a monitoring center, a reactive compensation device, a monitoring terminal and a main control module, wherein the reactive compensation device and the monitoring terminal are connected with the monitoring center through the main control module, the monitoring terminal reports equipment data in a low-voltage power grid according to instructions issued by the monitoring center, and the reactive compensation device carries out reactive compensation operation after obtaining the instructions of the monitoring center through the main control module. The monitoring terminal comprises a low-voltage equipment data base, a first collecting terminal and a second collecting terminal, wherein the first collecting terminal collects graphic data and spatial data of low-voltage equipment, the second collecting terminal collects status data of the low-voltage equipment, and the first collecting terminal and the second collecting terminal store the data to the low-voltage equipment data base after collecting the data. The embodiment of the low-voltage power grid monitoring system can achieve real-time monitoring of the low-voltage power grid, facilitates building of ledger data of the low-voltage power grid and improves richness and accuracy of the data.
Description
Technical field
The present invention relates to technical field of power systems, relate in particular to a kind of low voltage electric network monitoring system.
Background technology
High pressure electrical network production information system has been built up in electric power system, can realize real-time monitoring and analysis to the high pressure grid equipment through this system.But for low voltage electric network equipment, reason such as, geographical position various owing to low-voltage equipment quantity disperses, each device characteristics differs greatly does not also realize the concentrating of facility information, unified management, can't carry out the low pressure information monitoring in Allocation transformer district.At present, occurred signal pickup assembly on the market, but the information that these harvesters obtain only is the state information of low-voltage equipment usually, and the account data of low-voltage equipment can not be provided to low-voltage equipment.And; The provider of signal pickup assembly is because interest relations; The data format that collects is incompatible; Data disperse to deposit among a plurality of microcomputers of different location, cause electric power enterprise effectively to ensure and manage these low-voltage equipment data, can't satisfy the fine granularity instructions for use of production division to the low-voltage equipment data.In addition, the data in each microcomputer also must rely on manual type and manage, and this mode is wasting manpower and material resources's resource on the one hand, very easily occur problems such as data lacks, accuracy is lower on the other hand.
Summary of the invention
Because the deficiency that prior art exists; The object of the present invention is to provide a kind of low voltage electric network monitoring system; This system is through setting up the unified data storehouse; Carry out the low voltage electric network monitoring through this database with the monitoring request form, thereby realize the unified monitoring management of low voltage electric network in the whole Allocation transformer district, improve power network monitoring efficient.
For realizing above-mentioned purpose, the low voltage electric network monitoring system that the embodiment of the invention provides comprises:
Monitoring center, reactive power compensator, monitor terminal and main control module, said reactive power compensator is connected with main control module, and this device carries out the reactive power compensation operation according to the instruction that monitoring center is issued to main control module; Said monitor terminal is connected with main control module, and this terminal is issued to the instruction of main control module and uploads the low-voltage equipment data to monitoring center according to monitoring center;
Said monitor terminal comprises the low-voltage equipment database, gathers first acquisition terminal of low-voltage equipment graph data and spatial data and second acquisition terminal of gathering the low-voltage equipment status data, and first acquisition terminal and second acquisition terminal store the low-voltage equipment database into after collecting data.
Preferably, said Surveillance center obtains and generates the reactive power compensation instruction after the low-voltage equipment data, and should instruct and be issued to reactive power compensator through main control module and operate with control execution reactive power compensation.
Preferably, said system also comprises anti-theft device, and said anti-theft device is connected with said main control module, and this anti-theft device is reported to the police to monitoring center through main control module.
Preferably, said main control module adopts GPRS mode and monitoring center to realize being connected and communicating by letter.
The low voltage electric network monitoring system that the embodiment of the invention provides comprises monitoring center, reactive power compensator, monitor terminal and main control module; Reactive power compensator is connected with monitoring center through main control module with monitor terminal; The instruction that monitor terminal issues according to monitoring center reports the device data in the low voltage electric network, and reactive power compensator is carried out the reactive power compensation operation after the instruction that obtains monitoring center through main control module.Compared with prior art; The embodiment of the invention comprises the static data of low-voltage equipment and the low-voltage equipment database of dynamic data through structure; Surveillance center can send instructions down as required and monitor the low voltage electric network situation in real time, thereby can set up the account information of low voltage electric network.And the embodiment of the invention provides unified low-voltage equipment database, has guaranteed the standardization and the compatibility of data format, avoids Presence information " isolated island " effect, helps electrical production department the fine granularity of low-voltage equipment data is used.In addition; The embodiment of the invention is gathered low voltage electric network information through first acquisition terminal and second acquisition terminal automatically under the commands for controlling of monitoring center; The electric network information of gathering comprises graph data, spatial data and status data, has improved the rich and accuracy of data.
Description of drawings
Fig. 1 is the structure chart of system embodiment of the present invention;
Fig. 2 is the storage sketch map in the low-voltage equipment database of the present invention.
Embodiment
The monitoring system that the embodiment of the invention provides comprises monitoring center, reactive power compensator, monitor terminal and main control module; Reactive power compensator is connected with monitoring center through main control module with monitor terminal; The instruction that monitor terminal issues according to monitoring center reports the device data in the low voltage electric network; Reactive power compensator is carried out the reactive power compensation operation after the instruction that obtains monitoring center through main control module, realize the real-time monitoring to low voltage electric network thus, has made things convenient for the account data of setting up low voltage electric network; Improved the rich and accuracy of data, helped electrical production department the fine granularity of low-voltage equipment data is used.
In order to make those skilled in the art can further understand characteristic of the present invention and technology contents,, technical scheme of the present invention is described in detail below in conjunction with accompanying drawing and embodiment.
Referring to accompanying drawing 1, the figure shows the structured flowchart of a system embodiment of the present invention.The low voltage electric network monitoring system that this embodiment provides comprises:
Monitoring center 101, reactive power compensator 102, monitor terminal 103 and main control module 104, reactive power compensator 102 is connected with main control module 104, and this device carries out the reactive power compensation operation according to the instruction that monitoring center is issued to main control module; Monitor terminal 103 is connected with main control module 104, and this terminal is issued to the instruction of main control module and uploads the low-voltage equipment data to monitoring center according to monitoring center; After collecting data, second acquisition terminal, 1033, the first acquisition terminals 1032 and second acquisition terminal 1033 that monitor terminal 103 comprises low-voltage equipment database 1031, gather first acquisition terminal 1032 of low-voltage equipment graph data and spatial data and gather the low-voltage equipment status data store low-voltage equipment database 1031 into.
Monitoring center 101 in the foregoing description is informix platforms; Can send instructions down and low-voltage equipment carried out data collection to monitor terminal control monitor terminal; Also can analyze, make further operation decision, generate the reactive power compensation instruction such as data according to monitor terminal to the data that monitor terminal is uploaded; Then this instruction is issued to reactive power compensator, low voltage electric network is carried out the reactive power compensation operation by reactive power compensator.
Reactive power compensator 102 main purposes in the foregoing description are to provide the compensation of reactive power consumption.When grid voltage waveform is sine wave and voltage and electric current same-phase; Resistive is different with the characteristic of inductive electric equipment: the power P that resistive electric equipment such as incandescent lamp, electric heater etc. obtain from electrical network equals the product of voltage U and electric current I; That is: P=U * I, this power is active power; Inductive electric equipment such as motor, transformer etc. need be set up magnetic field in running, the energy that consumes thus can not be converted into active power, so be called reactive power Q.In real world applications, no matter be industrial load or appliance load, great majority are inductive load, the existence of inductive load must relate to the consumption of reactive power.Provide the approach of reactive power compensation to generally include two: the one, provide by electric power system, but will cause the increase of transmission line and transformer loss, reduce the service efficiency of system; The 2nd, adopt reactive power compensation device to compensate.When specifically selecting reactive power compensator; Difference that can be according to actual needs; Adopt MSC reactive power compensator (Mechanically Switched Capacitor; The mechanical type switched capacitor), TSC reactive power compensator (Thyristor Switched Capacitor, thyristor switchable capacitor), perhaps adopt the MSC+TSC reactive power compensator.
Monitor terminal 103 in the foregoing description is used to collect the low-voltage equipment data.The equipment of low voltage electric network is by function and category division, and low-voltage equipment comprises equipment on main line, branch line, entrance line, shaft tower, the bar (like backguy, transfusion bottle etc.), table case etc.For the ease of the collection of low-voltage equipment data with to the management of low-voltage equipment, need set up unified model to low-voltage equipment earlier.Consider characteristics such as basic role and the daily usage frequency of Unit account of plant be the highest; The integrated graphic model of embodiment of the invention employing figure shelves is carried out modelling; Promptly gather the graph data and the spatial data of low-voltage equipment, graph data is used to characterize the structure outward appearance of low-voltage equipment, comprises size, shape, color of low-voltage equipment etc.; Conveniently directly operate on it; Spatial data is used to characterize the geographical position of low-voltage equipment and the annexation between low-voltage equipment and the low-voltage equipment, collects graph data and spatial data can carry out analogue simulation to low-voltage equipment on computers through collecting device, thereby makes up unified operation basis.Low-voltage equipment is graphically being shown; Or after from the low-voltage equipment database, reading out; Can adopt graphics software to operate to low-voltage equipment; Such as selecting AUTOCAD for use is as front end GIS function software, utilizes the basic mapping operation and Extended data (growth data) function of CAD software, shows in conjunction with secondary development and database technique facility information.CAD software drawing function is complete, and is simple to operate, just its to the property operations of pel a little less than, comparatively difficulty is expanded at the interface.Here " secondary development " can make low-voltage equipment figure and device space data associated in correspondence through the operating function of CAD Custom Attributes data, and accomplishes modification through figure or mode word, at last according to spatial data positioning pattern or inquiry figure.Reduce the personnel operation complexity thus, guaranteed the complete sum unicity of data.In order to realize monitoring to low voltage electric network; Except that the static data of the graph data of collecting above-mentioned low-voltage equipment, spatial data and so on; Also can collect dynamic, the real-time data of low voltage electric network equipment; Such as the running state data of low-voltage equipments such as the voltage of low voltage electric network, electric current, active power, reactive power, power factor (PF), harmonic wave detection, deposit these data collections in the low-voltage equipment database after good.Can realize dynamic monitoring through the data in the low-voltage equipment database, can also write down the distribution transforming abnormality automatically by system according to the desired value that is provided with in advance, and realize alarm, take further treatment measures according to alarm to low voltage electric network.Accompanying drawing 2 shows the storage mode of low-voltage equipment database: be index with the low-voltage equipment ID in the low voltage electric network number in the database, and corresponding diagram graphic data and spatial data, and a plurality of status data.Low-voltage equipment ID maybe corresponding a plurality of graph datas and spatial data, is used to characterize the different angles figure of same low-voltage equipment or the space attribute of different annexations, like graph data among Fig. 21, graph data 2, and spatial data 1, spatial data 2; Also possible corresponding a plurality of status datas are in order to characterize different states constantly, like the status data among Fig. 21, status data 2 etc.Because graph data and spatial data relative fixed, status data are in the continuous variation; In practical application; Can adopt the data in the low pressure database to carry out the subregion storage; Storage medium also factor is different according to characteristic is different, selects read-only memory for graph data and spatial data, selects the erasable programmable memory for status data.
Monitoring center periodically or regularly reports instruction to main control module transmission low-voltage equipment electric network data in the above-described embodiments; After main control module receives this instruction; Starting monitor terminal collects the data of low voltage electric network equipment; For graph data and spatial data, can repeatedly use behind the disposable collecting, main control module receives the data that only need read in the low-voltage equipment database after the instruction and gets final product; For status data, according to the needs of actual conditions, can after main control module receives instruction, control second acquisition terminal and carry out the status data collection at once, store the low-voltage equipment database then into and supply main control module to read.Monitoring center can analyze and manage after getting access to the low voltage electric network information that needs low voltage electric network.In one case; If being low voltage electric network, the result who analyzes needs to carry out reactive power compensation; Then issue the reactive power compensation instruction through main control module to reactive power compensator, reactive power compensator is carried out the reactive power compensation operation after receiving such instruction, thereby realizes the reactive power compensation of low voltage electric network.Communicating by letter between above-mentioned monitoring center and the main control module can adopt the GPRS mode to carry out; Because the low voltage electric network device distribution is in extensive range; In actual application; The cost that establishes the road of rationing the power supply is too high, utilizes existing signal to cover broad GPRS Radio Resource and can low-cost, conveniently realize intercommunication mutually.
The low voltage electric network monitoring system that present embodiment provides comprises monitoring center, reactive power compensator, monitor terminal and main control module; Reactive power compensator is connected with monitoring center through main control module with monitor terminal; The instruction that monitor terminal issues according to monitoring center reports the device data in the low voltage electric network, and reactive power compensator is carried out the reactive power compensation operation after the instruction that obtains monitoring center through main control module.Compared with prior art, present embodiment comprises the static data of low-voltage equipment and the low-voltage equipment database of dynamic data through structure, and Surveillance center can send instructions down as required and monitor the low voltage electric network situation in real time, thereby can set up the account information of low voltage electric network.And present embodiment provides unified low-voltage equipment database, has guaranteed the standardization and the compatibility of data format, avoids Presence information " isolated island " effect, helps electrical production department the fine granularity of low-voltage equipment data is used.In addition; Present embodiment is gathered low voltage electric network information through first acquisition terminal and second acquisition terminal automatically under the commands for controlling of monitoring center; The electric network information of gathering comprises graph data, spatial data and status data, has improved the rich and accuracy of data.
In order to realize the purpose of guarding against theft, the foregoing description also can comprise anti-theft device 105, and this device is connected with main control module.Anti-theft device can be an electric wiring device, and when behaviors such as theft took place, some circuit certainly existed damage, and circuit will cause that the transfer mode of signal changes after damaging, and can judge whether to produce thievery through the variation of signal thus.In addition, also can adopt other anti-theft devices, such as image pickup device, voice guard, wireless monitor device or the like.The present invention does not limit concrete anti-theft device structure, can realize a preferred goal of the invention of the present invention as long as can play the antitheft effect.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (4)
1. a low voltage electric network monitoring system is characterized in that, this system comprises:
Monitoring center, reactive power compensator, monitor terminal and main control module, said reactive power compensator is connected with main control module, and this device carries out the reactive power compensation operation according to the instruction that monitoring center is issued to main control module; Said monitor terminal is connected with main control module, and this terminal is issued to the instruction of main control module and uploads the low-voltage equipment data to monitoring center according to monitoring center;
Said monitor terminal comprises the low-voltage equipment database, gathers first acquisition terminal of low-voltage equipment graph data and spatial data and second acquisition terminal of gathering the low-voltage equipment status data, and first acquisition terminal and second acquisition terminal store the low-voltage equipment database into after collecting data.
2. system according to claim 1 is characterized in that, said Surveillance center obtains and generates the reactive power compensation instruction after the low-voltage equipment data, and should instruct and be issued to reactive power compensator through main control module and operate with control execution reactive power compensation.
3. system according to claim 1 is characterized in that said system also comprises anti-theft device, and said anti-theft device is connected with main control module, and this anti-theft device is reported to the police to monitoring center through main control module.
4. according to any one described system in the claim 1 to 3, it is characterized in that said main control module adopts GPRS mode and monitoring center to realize being connected and communicating by letter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100093007A CN102570478A (en) | 2012-01-12 | 2012-01-12 | Low-voltage power grid monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100093007A CN102570478A (en) | 2012-01-12 | 2012-01-12 | Low-voltage power grid monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102570478A true CN102570478A (en) | 2012-07-11 |
Family
ID=46415207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100093007A Pending CN102570478A (en) | 2012-01-12 | 2012-01-12 | Low-voltage power grid monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102570478A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280815A (en) * | 2013-04-24 | 2013-09-04 | 国家电网公司 | User side low-voltage reactive power compensation device |
| CN111049157A (en) * | 2020-03-12 | 2020-04-21 | 广东电网有限责任公司佛山供电局 | Distribution network transformer reactive compensation condition analysis method |
| CN117723792A (en) * | 2024-02-07 | 2024-03-19 | 国网辽宁省电力有限公司 | Real-time reactive compensation detection device based on high-voltage SVG |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10320063A (en) * | 1997-05-20 | 1998-12-04 | Matsushita Electric Ind Co Ltd | Still type reactive power compensation device |
| CN2907042Y (en) * | 2006-04-17 | 2007-05-30 | 深圳职业技术学院 | Low voltage power distribution network data monitoring and management system |
| CN101106274A (en) * | 2007-08-23 | 2008-01-16 | 上海交通大学 | Powerless voltage automatic control system for area power grid |
| CN201910672U (en) * | 2011-01-12 | 2011-07-27 | 商河县供电公司 | Rural intelligent power distribution network construction and management system |
-
2012
- 2012-01-12 CN CN2012100093007A patent/CN102570478A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10320063A (en) * | 1997-05-20 | 1998-12-04 | Matsushita Electric Ind Co Ltd | Still type reactive power compensation device |
| CN2907042Y (en) * | 2006-04-17 | 2007-05-30 | 深圳职业技术学院 | Low voltage power distribution network data monitoring and management system |
| CN101106274A (en) * | 2007-08-23 | 2008-01-16 | 上海交通大学 | Powerless voltage automatic control system for area power grid |
| CN201910672U (en) * | 2011-01-12 | 2011-07-27 | 商河县供电公司 | Rural intelligent power distribution network construction and management system |
Non-Patent Citations (1)
| Title |
|---|
| 高佳宏: "低压配电网管理系统的设计与实现", 《中国优秀硕士论文全文数据库》, 10 August 2005 (2005-08-10), pages 19 - 39 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280815A (en) * | 2013-04-24 | 2013-09-04 | 国家电网公司 | User side low-voltage reactive power compensation device |
| CN103280815B (en) * | 2013-04-24 | 2015-08-05 | 国家电网公司 | A kind of user side low-voltage reactive compensator capable |
| CN111049157A (en) * | 2020-03-12 | 2020-04-21 | 广东电网有限责任公司佛山供电局 | Distribution network transformer reactive compensation condition analysis method |
| CN117723792A (en) * | 2024-02-07 | 2024-03-19 | 国网辽宁省电力有限公司 | Real-time reactive compensation detection device based on high-voltage SVG |
| CN117723792B (en) * | 2024-02-07 | 2024-04-19 | 国网辽宁省电力有限公司 | Real-time reactive compensation detection device based on high-voltage SVG |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103972981B (en) | A kind of intelligent monitor system of the low-tension switch cabinet based on cloud | |
| CN104704702B (en) | Photovoltaic power generation system and fault detection method therefor | |
| CN102592422B (en) | Automatic meter reading system collector and ammeter asset number collect management method | |
| CN204305072U (en) | A kind of Multi-protocol converter | |
| CN204376538U (en) | A kind of intelligent distribution transforming runs real-time monitoring system | |
| CN204348052U (en) | Low voltage electric network power information acquisition system | |
| CN104362757A (en) | Transformer substation on-line monitoring system based on IEC61850 | |
| CN202615205U (en) | Intelligent managing and monitoring device for laboratory instruments based on Internet of Things | |
| CN102509198A (en) | Method and system for monitoring low-voltage power grid equipment | |
| CN106992602A (en) | A kind of Intelligent low-voltage switchgear | |
| CN207833300U (en) | A kind of building site water power energy-saving monitoring and wireless remote control system | |
| CN102570478A (en) | Low-voltage power grid monitoring system | |
| CN102999036B (en) | Solar wireless networking monitor system | |
| CN205540221U (en) | Power station remote monitering system based on thing networking | |
| CN102122430B (en) | Device and method for collecting agricultural product information | |
| CN202975732U (en) | Remote interaction real-time household energy intelligent management system | |
| CN202650008U (en) | Real-time device standing book information inquiring and sub-screen display system | |
| CN202798803U (en) | Master station system for power distribution routing inspection geographic navigation and power distribution information management | |
| CN215646368U (en) | Intelligent power distribution system | |
| CN213585813U (en) | Park enterprise end multipotency data acquisition gateway | |
| Yongqing et al. | The research of home Intelligent power system based on ZigBee | |
| CN204856192U (en) | Mutual terminal equipment of intelligence who contains distributed generator management | |
| CN204331791U (en) | A kind of electric flux intelligent decision analytic system | |
| CN203387530U (en) | Electric power circuit information and wiring intelligent management system | |
| CN111311896A (en) | Convenient low-power consumption analog acquisition wireless transmission system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |