CN106443130A - Voltage monitoring system - Google Patents
Voltage monitoring system Download PDFInfo
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- CN106443130A CN106443130A CN201610884563.0A CN201610884563A CN106443130A CN 106443130 A CN106443130 A CN 106443130A CN 201610884563 A CN201610884563 A CN 201610884563A CN 106443130 A CN106443130 A CN 106443130A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention provides a voltage monitoring system which comprises a voltage data acquisition subsystem, an analysis and processing subsystem and a wireless terminal; the voltage data acquisition subsystem collects voltage data; and the analysis and processing subsystem is connected with the voltage data acquisition subsystem, obtains normal voltage data from the voltage data collected by the voltage data acquisition subsystem, and sends the abnormal voltage data to the wireless terminal via a wireless network. The voltage monitoring system has the advantages that the voltage data acquisition subsystem, the analysis and processing subsystem and the wireless terminal are arranged to solve the problem that the voltage data cannot be obtained timely and further obtain the voltage data timely.
Description
Technical field
The present invention relates to electric power monitoring application, and in particular to a kind of voltage monitoring system.
Background technology
Quality of voltage is one of important indicator of the quality of power supply, and the operation with security and stability for ensureing power system is risen emphatically
The effect that wants.The factor of the quality of voltage of impact power system includes the power-off once in a while of power system and transfinites.Although it is existing
Voltage monitoring system also have in power system incoming call change in voltage data and power failure change in voltage data etc. can reflect electricity
The function stored by the data of pressure quality, but if staff is not gathered the data message manually, cannot just obtain
Know the situation whether power system has a power failure or send a telegram here.As staff cannot obtain quality of voltage data letter in time
Breath, just cannot find the weak spot in power system and fault occurrences in time.
Content of the invention
For solving the above problems, the present invention is intended to provide a kind of voltage monitoring system.
The purpose of the present invention is achieved through the following technical solutions：
A kind of voltage monitoring system, including voltage data acquisition subsystem, analyzing and processing subsystem, wireless terminal, described
Voltage data acquisition subsystem is used for collection voltages data；The analyzing and processing subsystem and the voltage data acquisition subsystem
It is connected, the voltage data for being gathered by the voltage data acquisition subsystem obtains electric voltage exception data, and voltage is different
Regular data is sent to wireless terminal by wireless network.
Beneficial effects of the present invention：By arranging voltage data acquisition subsystem, analyzing and processing subsystem, wireless terminal,
Solve the problems, such as to obtain voltage data information in time, and then reached the timely effect for obtaining voltage data information.
Description of the drawings
Using accompanying drawing, invention is described further, but the embodiment in accompanying drawing does not constitute any limitation of the invention,
For one of ordinary skill in the art, on the premise of not paying creative work, which can also be obtained according to the following drawings
Its accompanying drawing.
Fig. 1 is present configuration connection diagram；
Fig. 2 is the structural representation of voltage data acquisition subsystem.
Reference：
Voltage data acquisition subsystem 1, analyzing and processing subsystem 2, wireless terminal 3, alert sub-system 4, data acquisition list
Unit 11, data processing unit 12, data transmission unit 13.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, Fig. 2, a kind of voltage monitoring system of the present embodiment, at voltage data acquisition subsystem 1, analysis
Reason subsystem 2, wireless terminal 3, the voltage data acquisition subsystem 1 is used for collection voltages data；The analyzing and processing subsystem
System 2 is connected with the voltage data acquisition subsystem 1, for the voltage number for being gathered by the voltage data acquisition subsystem 1
According to electric voltage exception data are obtained, and electric voltage exception data are sent to wireless terminal 3 by wireless network.
Preferably, the voltage monitoring system also includes alert sub-system 4, at the alert sub-system 4 and the analysis
Reason subsystem 2 is connected, for being reported to the police when the electric voltage exception data are obtained.
Preferably, the alert sub-system 4 includes carry for carrying out the buzzer of buzzer prompting and for entering line flicker
The alarm lamp for showing.
The above embodiment of the present invention by arrange voltage data acquisition subsystem 1, analyzing and processing subsystem 2, wireless eventually
End 3, solves the problems, such as to obtain voltage data information in time, and then has reached the timely effect for obtaining voltage data information
Really.
Preferably, the voltage data acquisition subsystem 1 includes data acquisition unit 11,12 data of data processing unit
Transmission unit 13；The data acquisition unit 11 is used for cooperating by the sensor node for being built by each sensor carrying out electricity
The collection of pressure data, and export the voltage data of each sensor node collection；The data processing unit 12 is used for each sensing
The voltage data of device node collection carries out pretreatment, to obtain effective voltage data；The data transmission unit 13 is used for adopting
The transmission of voltage data is carried out with data transmission mechanism set in advance.
Preferably, the data acquisition unit 11 includes sensor locator unit data revise subelemen；The biography
Sensor locator unit is used for carrying out sensor node localization, and the sensor node localization that carries out is specifically included：
(1) by small part sensor node deployment on known position coordinateses, as beaconing nodes, according to beaconing nodes
The local coordinate system for meeting domestic environment is set up in position；
(2) coordinate of hypothesis unknown node is (x, y), and the beaconing nodes coordinate that can be in communication with is respectively (x1,
y1), (x2,y2) ..., (xn,yn), it is the center of circle that unknown node is located at each beaconing nodes, and communication radius are the intersection of the circle of radius
Domain, takes the region any point as the pre- reconnaissance of unknown node coordinate, the difference letter of the pre- reconnaissance of unknown node coordinate to beaconing nodes
Number is：
In formula, riFor the pre- reconnaissance of unknown node coordinate to (xi,yi) distance, i=1,2 ..., n, using maximal possibility estimation
Method asks for the minima of the formula, as unknown node coordinate position；
The data correction subelement is used for the Monitoring Data to sensor under non-standard environmental and is modified, modifying factor
Sub- σ is：
In formula, T0For the standard temperature that sensor is used, ambient temperature when T is used for sensor.
This preferred embodiment achieves the accurate measurement that sensor positions data.
Preferably, the data processing unit 12 includes data filtering module data completion module, the data filtering
Module is used for the voltage data by intelligent gateway filter false, and the Supplementing Data module is used for filling up the voltage number of loss
According to；
The voltage data by intelligent gateway filter false, including：
(1) voltage data not fallen within the effective range of sensor reading is removed；
(2) filtration treatment is carried out to remaining voltage data, specially：
1) the consistent and sliding window size of sensing frequency of hypothesis all the sensors is A, using Jaccard similarity function
Calculate two sensor SI、SJSimilarity Sim (the x of reading behaviorI(t),xJ(t)), wherein xIT () represents sensor SIWhen
Between t when level readings, xJT () represents sensor SJLevel readings in time t；
2) sensor S is definedI、SJInitially interim similarity be：
The interim similarity in K+1 moment is：
In formula, xI(A+t) represent sensor SIInitial reading behavior, μ is the adjustable variable for setting, the value model of μ
Enclose for [- 1,1]；
3) total M sensor is set, from sensor SIAn event query q, frequently inquired about by sensor in the past
Data than those seldom by sensor SIThe data of reading and sensor SIWith more dependency, sensor S is calculatedISequence
Grade point QL(q,SI), computing formula is：
In formula, n (q, SI) be in past sensor SIFor inquiry event query number of the q to some themes, N (q, SI)
Represent sensor SIFor the event query sum of inquiry q, B is smoothing factor；
4) sensor S is judged using ballot methodICurrent reading whether be false readings, set discriminant function as：
In formula, net (I) represents sensor SINeighbours' set of sensors, VDecisionj(I) represent neighbours sensor SJ
To sensor SIMake and choosing in a vote, chosen two classes in a vote, a class be positive, another kind of for passive, choose in a vote for
When actively, VDecisionj(I)=1, choose in a vote as during passiveness, VDecisionj(I)=0；PI>When 0, represent sensor SI
Current reading be normal reading, PI<When 0, represent sensor SICurrent reading be false readings.
The voltage data for filling up loss, including：
(1) clustering processing of voltage data is carried out using K-means clustering method；
(2) to the missing values in same class be but data filling.
During the voltage data of this preferred embodiment filter false, it is contemplated that between sensor and neighbor node and environment
Relatedness, distributes an appropriate weight by sort algorithm for each sensor to reflect the importance of sensor, and then right
Sensor acquisition to data carry out accepting or rejecting to filter the abnormal data that wrong data in gatherer process and environment cause, carry
The high precision for filtering；Using first cluster fill up missing values afterwards by the way of fill up the voltage data of loss, preferably can consider
The local characteristicses of data, improve the precision of data filling.
In one embodiment, the data transmission mechanism set in advance includes：
(1) in cluster, the data for collecting are transferred to affiliated cluster within the time period of respective distribution in the way of single-hop by member
Leader cluster node Ci, leader cluster node CiIntegration process is carried out to the voltage data that collects；
(2) leader cluster node CiOther leader cluster nodes are selected according to following formula, to determine its route candidate cluster head node set CN：
In formula, diBRepresent leader cluster node CiTo the distance of base station, djBRepresent leader cluster node CjTo the distance of base station, dijRepresent
Leader cluster node CiTo leader cluster node CjDistance, NSiRepresent leader cluster node CiDump energy rank, NSjRepresent leader cluster node Cj
Dump energy rank；
(3) if route candidate cluster head node set CN is sky, leader cluster node CiDirectly voltage data is sent to base station,
And jump to (6)；
(4) if only existing one than leader cluster node C in route candidate cluster head node setiApart from base station closer to or remaining
Higher other leader cluster nodes C of energy rankj, then select leader cluster node CjAs next-hop routing node, and voltage data is turned
Issue leader cluster node Cj, make leader cluster node CjBecome new leader cluster node Ci, and jump back to (2)；
(5) if existing in route candidate cluster head node set multiple than leader cluster node CiApart from base station closer to or residual energy
Other leader cluster nodes C of magnitude Bie Genggaoj, then select the leader cluster node C for causing to forward voltage data communication overhead minimumjAs
Next-hop routing node, and voltage data is transmitted to leader cluster node Cj, make leader cluster node CjBecome new leader cluster node Ci, and
Jump back to (2)；
(6) base station receives leader cluster node CiThe voltage data of transmission.
This preferred embodiment carries out the transmission of voltage data using data transmission mechanism set in advance, makes leader cluster node
Dump energy distribution is more balanced, efficiently solves and is consumed apart from the base station relatively near or node energy apart from base station farther out too early
Complete problem, so as to extend the life cycle of whole data transmission network.
In another embodiment, the data transmission mechanism set in advance includes：
Different transmission means is adopted for different transmission data sizes and transmission range, define transfer function Tr：
In formula, S is transmission data size, S0For data transfer size cut off value, S0=1MB, D are transmission range, D0For passing
Defeated distance cut off value, D0=10m；
If D<D0, then row data communication is entered using bluetooth,
If D >=D0And S≤S0, then row data communication is entered using zigbee network,
If D >=D0And S>S0, then communicated using WIFI.
This preferred embodiment is being achieved to voltage data low energy consumption, the communication of two-forty.
Finally it should be noted that above example is only in order to illustrating technical scheme, rather than the present invention is protected
The restriction of shield scope, although having made to explain to the present invention with reference to preferred embodiment, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent, without deviating from the reality of technical solution of the present invention
Matter and scope.
Claims (3)
1. a kind of voltage monitoring system, is characterized in that, including voltage data acquisition subsystem, analyzing and processing subsystem, wireless end
End, the voltage data acquisition subsystem is used for collection voltages data；The analyzing and processing subsystem is adopted with the voltage data
Subsystem is connected, and the voltage data for being gathered by the voltage data acquisition subsystem obtains electric voltage exception data, and
Electric voltage exception data are sent to wireless terminal by wireless network.
2. a kind of voltage monitoring system according to claim 1, is characterized in that, also include alert sub-system, the warning
Subsystem is connected with the analyzing and processing subsystem, for being reported to the police when the electric voltage exception data are obtained.
3. a kind of voltage monitoring system according to claim 2, is characterized in that, the alert sub-system is included for carrying out
The buzzer of buzzer prompting and the alarm lamp for carrying out flash for prompting.
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| CN201610884563.0A CN106443130B (en) | 2016-10-10 | 2016-10-10 | A kind of voltage monitoring system |
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| CN201610884563.0A CN106443130B (en) | 2016-10-10 | 2016-10-10 | A kind of voltage monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107370240A (en) * | 2017-07-18 | 2017-11-21 | 深圳源广安智能科技有限公司 | A kind of aerial power transmission line intelligent monitor system |
| CN109212150A (en) * | 2018-09-12 | 2019-01-15 | 深圳万发创新进出口贸易有限公司 | A kind of sewage monitoring system |
| CN112305489A (en) * | 2020-10-29 | 2021-02-02 | 南方电网科学研究院有限责任公司 | Method, device and equipment for detecting abnormal voltage fluctuation and storage medium |
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| CN107370240A (en) * | 2017-07-18 | 2017-11-21 | 深圳源广安智能科技有限公司 | A kind of aerial power transmission line intelligent monitor system |
| CN109212150A (en) * | 2018-09-12 | 2019-01-15 | 深圳万发创新进出口贸易有限公司 | A kind of sewage monitoring system |
| CN112305489A (en) * | 2020-10-29 | 2021-02-02 | 南方电网科学研究院有限责任公司 | Method, device and equipment for detecting abnormal voltage fluctuation and storage medium |
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Effective date of registration: 20190326 Address after: 528000 Lunjiao Street Sanzhou Xinda Industrial Zone 3B, Shunde District, Foshan City, Guangdong Province Applicant after: Guangdong Bida Electrical Appliance Co., Ltd. Address before: 518054 room 1002, block B, 2168 South oil building, Nanhai Road, Nanshan street, Nanshan District, Shenzhen, Guangdong. Applicant before: Shenzhen innovation Import & Export Trading Co., Ltd. |
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