CN107241181A - Grid power transmission circuit wireless monitor system - Google Patents
Grid power transmission circuit wireless monitor system Download PDFInfo
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- CN107241181A CN107241181A CN201710633624.0A CN201710633624A CN107241181A CN 107241181 A CN107241181 A CN 107241181A CN 201710633624 A CN201710633624 A CN 201710633624A CN 107241181 A CN107241181 A CN 107241181A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 179
- 238000012544 monitoring process Methods 0.000 claims abstract description 113
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 17
- 230000002159 abnormal effect Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0076—Allocation utility-based
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- H02J13/0013—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2209/00—Arrangements in telecontrol or telemetry systems
- H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
- H04Q2209/82—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data
- H04Q2209/823—Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data where the data is sent when the measured values exceed a threshold, e.g. sending an alarm
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
Abstract
The invention provides grid power transmission circuit wireless monitor system, including grid power transmission circuit wireless monitor module, data center processor and intelligent terminal, the grid power transmission circuit wireless monitor module is based on wireless sensor network and gathers transmission line parameter, and the transmission line parameter collected is sent to the data center processor, the data center processor is used to receive, store, show transmission line parameter, and be compared transmission line parameter with normality threshold, if more than normality threshold, output alarm signal；Described intelligent terminal is connected by communication network with data center processor, for the transmission line parameter in real time access data center processor.The present invention realizes transmission line of electricity monitoring using wireless sensor network technology, and is alarmed when transmission line parameter is abnormal, is easy to related personnel to carry out remote monitoring.
Description
Technical field
The present invention relates to transmission line of electricity monitoring technical field, and in particular to grid power transmission circuit wireless monitor system.
Background technology
As industrialization, Development of China's Urbanization are constantly accelerated, electricity needs sustainable growth, a strong, reliable modernization
Bulk power grid optimizes energy source configuration, with irreplaceable effect in a wider context for ensureing national energy security.Build tool
The guarantee for thering is digitization, digitlization, automation, the strong intelligent grid of interactive feature to be safe, reliable, efficient transmission of electricity, be
The direction of power science development, the monitoring to power network is also even more important.Have as the transmission line of electricity of power Transmission tie scattered
Property big, distance, the features such as be difficult to make an inspection tour and safeguard, therefore transmission line of electricity body and surrounding enviroment and meteorologic parameter are carried out
Long-range monitoring turns into a urgent job.
The content of the invention
In view of the above-mentioned problems, the present invention provides grid power transmission circuit wireless monitor system.
The purpose of the present invention gathers following technical scheme to realize：
There is provided grid power transmission circuit wireless monitor system, including grid power transmission circuit wireless monitor module, data center
Processor and intelligent terminal, the grid power transmission circuit wireless monitor module are based on wireless sensor network collection transmission line of electricity ginseng
Number, and the transmission line parameter collected is sent to the data center processor, the data center processor is used to connect
Receive, store, show transmission line parameter, and transmission line parameter is compared with normality threshold, if more than normality threshold,
Output alarm signal；Described intelligent terminal is connected by communication network with data center processor, for real time access data
Transmission line parameter in central processing unit.
Beneficial effects of the present invention are：Monitoring power transmission line of power grid is realized using wireless sensor network technology, and
Transmission line parameter is alarmed when abnormal, is easy to related personnel to carry out remote monitoring.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not constitute any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
The structured flowchart of Fig. 1 present invention；
Fig. 2 is the connection block diagram of data center processor of the present invention.
Reference：
Grid power transmission circuit wireless monitor module 1, data center processor 2, intelligent terminal 3, data communication module 10, number
According to multilevel iudge module 20, abnormal alarm module 30.
Embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, Fig. 2, the grid power transmission circuit wireless monitor system that the present embodiment is provided, including grid power transmission circuit without
Line monitoring modular 1, data center processor 2 and intelligent terminal 3, the grid power transmission circuit wireless monitor module 1 are based on wireless
Sensor network gathers transmission line parameter, and the transmission line parameter collected is sent into the data center processor 2,
The data center processor 2 is used to receive, store, shows transmission line parameter, and by transmission line parameter and normality threshold
It is compared, if more than normality threshold, output alarm signal；Described intelligent terminal 3 passes through communication network and data center
Processor 2 is connected, for the transmission line parameter in real time access data center processor 2.
Preferably, the data center processor 2 includes data communication module 10, data multilevel iudge module 20, exception
Alarm module 30, the data communication module 10 is connected with the data multilevel iudge module 20, the data multilevel iudge mould
Block 20 is connected with the abnormal alarm module 30.
Preferably, it is preferable that the grid power transmission circuit wireless monitor module 1 includes base station and is deployed in the power network of setting
Multiple monitoring power transmission line of power grid nodes in transmission line of electricity monitored area, wherein transmission line of electricity monitoring node include processor list
Member, wireless communication unit, data acquisition unit, energy supply unit and intelligent switch, wireless communication unit, data acquisition unit
All it is connected with intelligent switch with processor unit.
Preferably, described transmission line parameter includes tension force, temperature, the voltage and current of transmission line of electricity.
The above embodiment of the present invention realizes transmission line of electricity monitoring using wireless sensor network technology, and in transmission line of electricity
Alarmed during abnormal parameters, be easy to related personnel to carry out remote monitoring.
Preferably, described grid power transmission circuit wireless monitor module 1 is carrying out the letter of monitoring power transmission line of power grid node
It is specific to perform when road is distributed：
(1) each monitoring power transmission line of power grid node builds the neighboring node list of oneself, is specially：With emission maximum work(
Monitoring power transmission line of power grid node switching information of the rate into communication range, so that it is determined that the information of neighbor nodes of itself, and obtain
Take the neighboring node list information of neighbor node；
(2) when initial, it is randomly assigned a channel to each monitoring power transmission line of power grid node i, i=1,2 ..., n, so
Afterwards successively to each monitoring power transmission line of power grid node i according to 1,2 ..., n order carries out the pre- replacement of channel, until completing
The pre- replacement of all monitoring power transmission line of power grid node channels, wherein monitoring power transmission line of power grid node in pre- replacement process
Current remaining value is constant, specifically includes：Calculate monitoring power transmission line of power grid node i under its each optional channel relative to
The benefit degree of network, therefrom chooses the maximum corresponding channel of benefit degree as the pre-selection of monitoring power transmission line of power grid node i
Channel, replaces the channel being previously assigned in advance, and the calculation formula of benefit degree is defined as：
In formula, PiRepresent monitoring power transmission line of power grid node i benefit degree relative to network when selecting channel f, f=
1,…,Pi, PiRepresent the optional channel number of monitoring power transmission line of power grid node i, φi(f) it is monitoring power transmission line of power grid node
The number for the pseudo- child node that i has when selecting channel f, j is j-th of pseudo- child node of monitoring power transmission line of power grid node i, D0
For the unit distance of setting, D (i, j) is monitoring power transmission line of power grid node i i, j when selecting channel f Euclidean distance, L (i,
J) it is channel disturbance discriminant function, when the channel that monitoring power transmission line of power grid node i, j are used is identical, electricity is worked as in L (i, j)=1
When the channel that net transmission line of electricity monitoring node i, j are used is different, L (Vi,Vj)=0, Ui、UjRespectively monitoring power transmission line of power grid
Node i i, j when selecting channel f node degree, Qi、QjRespectively monitoring power transmission line of power grid node i i, j when selecting channel f
Current remaining, Hi、HjRespectively monitoring power transmission line of power grid node i i, j when selecting channel f turns into routing node
Probability, Ki、KjRespectively monitoring power transmission line of power grid node i i, j pseudo- child node when selecting channel f averages out angle value, its
In go out the quantity that angle value represents the pseudo- father node that monitoring power transmission line of power grid node has；
(3) for all pre- monitoring power transmission line of power grid nodes for replacing channel, if there is the electricity in scope interfering with each other
Net transmission line of electricity monitoring node, and their pre- replacements channel it is identical when, then an only electricity minimum to wherein dump energy
Net transmission line of electricity monitoring node carries out the pre- replacement of channel, and the channel of remaining monitoring power transmission line of power grid node keeps constant；
(4) judge whether the preselected channel of all monitoring power transmission line of power grid nodes is identical with the channel of last time distribution,
If it is different, returning to (2), if identical, all pre- monitoring power transmission line of power grid nodes for replacing channel are switched into corresponding pre-selection
Channel.
Wireless sensor network in correlation technique is when to monitoring power transmission line of power grid node distribution channel, usually not
Influence of the channel distribution to network topology structure is considered, because channel distribution influences the mistake of different monitoring power transmission line of power grid nodes
The effect time, when more important monitoring power transmission line of power grid node premature failure, the destruction of network topology structure can be caused, this
Preferred embodiment considers influence of the channel distribution to network topology structure when carrying out channel distribution, is conducive to safeguarding original
Network topology structure of wireless sensor；This preferred embodiment devises the monitoring power transmission line of power grid node of wireless sensor network
The strategy of channel distribution, wherein devising, can to weigh each monitoring power transmission line of power grid node anti-tampering in different channels
The benefit degree calculation formula of degree, and utilization benefit degree carries out Channel assignment, enables to relatively important grid power transmission circuit
The less channel of monitoring node selection interference, reduces the energy consumption of relatively important monitoring power transmission line of power grid node；
This preferred embodiment enable on the whole each monitoring power transmission line of power grid node distribution channel when away from dry
Source is disturbed, effectively reduction interference, while avoiding using same channel with important node, so as to ensure effective biography of transmission line parameter
It is defeated, the network lifecycle of extension grid power transmission circuit wireless monitor module 1.
Preferably, if QaMonitoring power transmission line of power grid node a current remaining is represented, works as QaMeet following channel more
During New Terms, monitoring power transmission line of power grid node re-starts channel distribution：
In formula, QTFor the energy threshold of setting, R for setting adjustment factor, R setting range for (0,0.2], NaFor electricity
Net transmission line of electricity monitoring node a pseudo- number of child nodes, b represents monitoring power transmission line of power grid node a b-th of pseudo- child node,
WbGo out angle value for monitoring power transmission line of power grid node a pseudo- child node b, y () is value function, whenWhen,WhenWhen,
Channel renewal generally is carried out when the energy consumption of monitoring power transmission line of power grid node exceedes energy consumption threshold value in correlation technique,
This preferred embodiment is when setting the channel update condition of monitoring power transmission line of power grid node, it is contemplated that different grid power transmission circuits
The significance level of monitoring node, there is provided the adjustment factor of energy threshold, so as to different monitoring power transmission line of power grid nodes
Carry out different channels and update judgement so that the larger monitoring power transmission line of power grid node of load can preferentially distribute channel, carry
Flexibility that high monitoring power transmission line of power grid node channel updates and the letter of relatively important monitoring power transmission line of power grid node
Road updates efficiency, ensures effective transmission of transmission line parameter.
Preferably, it is specific to perform when monitoring power transmission line of power grid node re-starts channel distribution：
(1) monitoring power transmission line of power grid node adjusts the transmission power of itself according to the following formula, into communication range
Monitoring power transmission line of power grid node switching information, so that it is determined that the information of neighbor nodes of itself, builds the neighbor node row of oneself
Table, and obtain the neighboring node list information of neighbor node：
In formula, E represents the transmission power after monitoring power transmission line of power grid node ε adjustment, ETIt is closest for what is communicated with ε
Monitoring power transmission line of power grid node the minimal power values for being properly received transmission line parameter, EG>ET, PGThe distance communicated with ε
Nearest monitoring power transmission line of power grid node receives actual power during transmission line parameter, EmaxFor monitoring power transmission line of power grid
The maximum transmission power of node, δ is the number of times of monitoring power transmission line of power grid node updates channel；
(2) calculate monitoring power transmission line of power grid node under its each optional channel relative to network benefit degree, and from
The middle maximum corresponding channel of benefit degree of choosing is as the new channel of monitoring power transmission line of power grid node.
This preferred embodiment first adjusts the transmitting of itself before monitoring power transmission line of power grid node re-starts channel distribution
Power, wherein the control parameter that the number of times of monitoring power transmission line of power grid node updates channel is adjusted as transmission power, significantly
The energy consumption of transmission line parameter collection is reduced, the operating efficiency that channel updates is improved so that monitoring power transmission line of power grid node
Channel update can be according to the actual conditions of monitoring power transmission line of power grid node more neatly dynamic adjustment channel, so as to drop
Low interference, safeguards network topology structure, the reliability of transmission line parameter transmission is improved, so that it is guaranteed that grid power transmission circuit is wireless
Monitoring system is effectively run.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than to present invention guarantor
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (5)
1. grid power transmission circuit wireless monitor system, it is characterized in that, including grid power transmission circuit wireless monitor module, data center
Processor and intelligent terminal, the grid power transmission circuit wireless monitor module are based on wireless sensor network collection transmission line of electricity ginseng
Number, and the transmission line parameter collected is sent to the data center processor, the data center processor is used to connect
Receive, store, show transmission line parameter, and transmission line parameter is compared with normality threshold, if more than normality threshold,
Output alarm signal；Described intelligent terminal is connected by communication network with data center processor, for real time access data
Transmission line parameter in central processing unit.
2. grid power transmission circuit wireless monitor system according to claim 1, it is characterized in that, the data center processor
Including data communication module, data multilevel iudge module, abnormal alarm module, the data communication module is compared with the data
Judge module is connected, and the data multilevel iudge module is connected with the abnormal alarm module.
3. grid power transmission circuit wireless monitor system according to claim 1, it is characterized in that, described grid power transmission circuit
Wireless monitor module includes base station and the multiple grid power transmission circuits being deployed in the monitoring power transmission line of power grid region of setting prison
Node is surveyed, wherein transmission line of electricity monitoring node includes processor unit, wireless communication unit, data acquisition unit, energy supply
Unit and intelligent switch, wireless communication unit, data acquisition unit and intelligent switch are all connected with processor unit.
4. grid power transmission circuit wireless monitor system according to claim 3, it is characterized in that, described grid power transmission circuit
Wireless monitor module is specific to perform when carrying out the channel distribution of monitoring power transmission line of power grid node：
(1) each monitoring power transmission line of power grid node builds the neighboring node list of oneself, is specially：With maximum transmission power to
Monitoring power transmission line of power grid node switching information in communication range, so that it is determined that the information of neighbor nodes of itself, and obtain neighbour
Occupy the neighboring node list information of node；
(2) when initial, a channel, i=1,2 ..., n, Ran Houyi are randomly assigned to each monitoring power transmission line of power grid node i
It is secondary to each monitoring power transmission line of power grid node i according to 1,2 ..., n order carries out the pre- replacement of channel, until completing all
The pre- replacement of monitoring power transmission line of power grid node channel, wherein monitoring power transmission line of power grid node in pre- replacement process is current
Residual energy value is constant, specifically includes：Monitoring power transmission line of power grid node i is calculated under its each optional channel relative to network
Benefit degree, therefrom choose the maximum corresponding channel of benefit degree as the preselected channel of monitoring power transmission line of power grid node i,
The channel being previously assigned is replaced in advance, and the calculation formula of benefit degree is defined as：
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In formula, PiRepresent monitoring power transmission line of power grid node i select channel f when relative to network benefit degree, f=1 ...,
Pi, PiRepresent the optional channel number of monitoring power transmission line of power grid node i, φi(f) selected for monitoring power transmission line of power grid node i
The number for the pseudo- child node having during channel f is selected, j is j-th of pseudo- child node of monitoring power transmission line of power grid node i, D0To set
Fixed unit distance, D (i, j) is monitoring power transmission line of power grid node i i, j when selecting channel f Euclidean distance, and L (i, j) is
Channel disturbance discriminant function, when the channel that monitoring power transmission line of power grid node i, j are used is identical, L (i, j)=1, when power network is defeated
When the channel that electric line monitoring node i, j are used is different, L (Vi, Vj)=0, Ui、UjRespectively monitoring power transmission line of power grid node i
I, j node degree, Q when selecting channel fi、QjRespectively monitoring power transmission line of power grid node i select channel f when i, j work as
Preceding dump energy, Hi、HjRespectively monitoring power transmission line of power grid node i i, j when selecting channel f turns into the probability of routing node,
Ki、KjRespectively monitoring power transmission line of power grid node i i, j pseudo- child node when selecting channel f averages out angle value, wherein go out
Angle value represents the quantity for the pseudo- father node that monitoring power transmission line of power grid node has；
(3) for all pre- monitoring power transmission line of power grid nodes for replacing channel, if the power network existed in scope interfering with each other is defeated
Electric line monitoring node, and their pre- replacements channel it is identical when, then only minimum to a wherein dump energy power network is defeated
Electric line monitoring node carries out the pre- replacement of channel, and the channel of remaining monitoring power transmission line of power grid node keeps constant；
(4) judge whether the preselected channel of all monitoring power transmission line of power grid nodes is identical with the channel of last time distribution, if not
Together, (2) are returned to, if identical, all pre- monitoring power transmission line of power grid nodes for replacing channel is switched into corresponding preselected channel.
5. grid power transmission circuit wireless monitor system according to claim 4, it is characterized in that, monitoring power transmission line of power grid section
It is specific to perform when point re-starts channel distribution：
(1) monitoring power transmission line of power grid node adjusts the transmission power of itself according to the following formula, the power network into communication range
Transmission line of electricity monitoring node exchanges information, so that it is determined that the information of neighbor nodes of itself, builds the neighboring node list of oneself, and
Obtain the neighboring node list information of neighbor node：
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In formula, E represents the transmission power after monitoring power transmission line of power grid node ε adjustment, ETFor the closest electricity communicated with ε
The minimal power values for being properly received transmission line parameter of net transmission line of electricity monitoring node, EG>ET, PGWhat is communicated with ε is closest
Monitoring power transmission line of power grid node receive transmission line parameter when actual power, EmaxFor monitoring power transmission line of power grid node
Maximum transmission power, δ be monitoring power transmission line of power grid node updates channel number of times；
(2) monitoring power transmission line of power grid node benefit degree relative to network under its each optional channel is calculated, and is therefrom selected
The maximum corresponding channel of benefit degree is taken as the new channel of monitoring power transmission line of power grid node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633624.0A CN107241181A (en) | 2017-07-28 | 2017-07-28 | Grid power transmission circuit wireless monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710633624.0A CN107241181A (en) | 2017-07-28 | 2017-07-28 | Grid power transmission circuit wireless monitor system |
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| CN107610440A (en) * | 2017-10-20 | 2018-01-19 | 韦彩霞 | A kind of aquaculture field intelligent monitor system |
| CN107770817A (en) * | 2017-12-11 | 2018-03-06 | 何旭连 | The power transmission line monitoring device of employing wireless sensor network |
| CN107801171A (en) * | 2017-11-06 | 2018-03-13 | 龚土婷 | monitoring device for overhead transmission line |
| CN107801169A (en) * | 2017-10-20 | 2018-03-13 | 潘柏霖 | A kind of farmland pollution monitoring system based on wireless sensor network |
| CN108092694A (en) * | 2018-01-03 | 2018-05-29 | 韦德永 | A kind of aerial power transmission line monitors system |
| CN109030313A (en) * | 2018-08-02 | 2018-12-18 | 深圳市益鑫智能科技有限公司 | Seepage flow intelligent monitor system for hydraulic engineering |
| CN109120456A (en) * | 2018-09-06 | 2019-01-01 | 江苏佳源科技有限公司 | Controller switching equipment state intelligent monitoring system |
| CN109884380A (en) * | 2019-03-21 | 2019-06-14 | 微山宏瑞电力科技有限公司 | A kind of digital radio detection converter and transmission line of electricity monitoring device |
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| CN109884380A (en) * | 2019-03-21 | 2019-06-14 | 微山宏瑞电力科技有限公司 | A kind of digital radio detection converter and transmission line of electricity monitoring device |
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