CN207133421U - A kind of electric power meter on-line testing system based on ZigBee technology - Google Patents

A kind of electric power meter on-line testing system based on ZigBee technology Download PDF

Info

Publication number
CN207133421U
CN207133421U CN201721157265.8U CN201721157265U CN207133421U CN 207133421 U CN207133421 U CN 207133421U CN 201721157265 U CN201721157265 U CN 201721157265U CN 207133421 U CN207133421 U CN 207133421U
Authority
CN
China
Prior art keywords
voltage
electric power
signal
line testing
power meter
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.)
Expired - Fee Related
Application number
CN201721157265.8U
Other languages
Chinese (zh)
Inventor
李乾坤
陶渊
雷小林
康振南
王毛毛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Three Gorges University CTGU
Original Assignee
China Three Gorges University CTGU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Three Gorges University CTGU filed Critical China Three Gorges University CTGU
Priority to CN201721157265.8U priority Critical patent/CN207133421U/en
Application granted granted Critical
Publication of CN207133421U publication Critical patent/CN207133421U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)

Abstract

A kind of electric power meter on-line testing system based on ZigBee technology, including sensing unit, voltage and current signal processing unit, signal transmission unit, verification platform, ZigBee wireless communication units, hand-held terminal device.The sensing unit connects voltage and current signal processing unit, voltage and current signal processing unit connects signal transmission unit, signal transmission unit connection verification platform, verification platform connection ZigBee wireless communication units, ZigBee wireless communication units connection hand-held terminal device.A kind of electric power meter on-line testing system based on ZigBee technology of the utility model, the advantages that making full use of the low-power consumption of ZigBee technology, low rate, long-distance transmissions, strong antijamming capability, Remote is carried out to the on-line testing of electric power meter by hand-held terminal device.

Description

A kind of electric power meter on-line testing system based on ZigBee technology
Technical field
A kind of electric power meter on-line testing system based on ZigBee technology of the utility model, is related to power train unified test Amount field.
Background technology
Accuracy, the reliability and stability of electric power meter are the guarantees of power system security stable operation.Electric energy Metering device mainly includes transformer, electric energy meter etc..With power network intellectuality, the continuous lifting of the level of IT application, client is to electricity Can quality requirement continuous improvement, the science of electric power meter operation is reliably accurate, increasingly becomes power network and ensures safety life Produce, safeguard user's legitimate rights and interests, improve the horizontal important process content of good service.Either it is directed to traditional electric energy metrical at present Device, or electric power meter of new generation, all it is that operating personnel are verified with professional equipment to scene, so to operation The personal safety of personnel brings certain risk, and complex operation, can not adapt to the tide that modern power network is intelligent, information-based Stream.
In addition, with the development of modern communication technology, ZigBee technology gradually enters into the public visual field, and ZigBee technology is one Kind is brand-new, is absorbed in low-power consumption, low cost, low complex degree, the short-range wireless networks communication technology of short time-delay, and embedded One big focus of application.
The content of the invention
The security that occurs for current electric power meter on-line testing is not high, complex operation, the level of informatization not The problems such as enough.The utility model proposes a kind of electric power meter on-line testing system based on ZigBee technology, make full use of The advantages that low-power consumption of ZigBee technology, low rate, long-distance transmissions, strong antijamming capability, by hand-held terminal device to electricity The on-line testing of energy metering device carries out Remote.
The technical scheme that the utility model is taken is:
A kind of electric power meter on-line testing system based on ZigBee technology, including sensing unit, voltage electricity Flow signal processing unit, signal transmission unit, verification platform, ZigBee wireless communication units, hand-held terminal device.
The sensing unit connects voltage and current signal processing unit, voltage and current signal processing unit connection signal Transmission unit, signal transmission unit connection verification platform, verification platform connection ZigBee wireless communication units, ZigBee channel radios Believe unit connection hand-held terminal device.
The signal that sensing unit receives is transferred to voltage and current signal processing unit, then is transmitted by signal Unit is transferred to verification platform below, verification platform by the normal voltage current signal received with by school transformer or It is compared by the pulse signal of school electric energy meter;
Hand-held terminal device, for carrying out Remote to on-line testing.
The sensing unit includes voltage sensor, current sensor, is open type structure;
Voltage sensor includes low-voltage arm electric capacity and high voltage arm capacitor, for primary voltage signal to be converted into small voltage letter Number;
Current sensor includes iron core, measurement wire turn, compensation wire turn, for primary current signal to be converted into low current letter Number.
The voltage and current signal processing unit, the voltage and current signal for sensing unit to be come out are converted to mark Accurate data signal.
Communication between signal transmission unit and the voltage and current signal processing unit is transmitted with optical fiber;Signal transmission is single Data communication is carried out by USB line between member and verification platform;
The signal transmission unit includes two groups of optical fiber, and one group is used to transmit synchronizing signal, and one group is used to transmit data letter Number.
The verification platform is industrial computer.
The ZigBee wireless communication units are SZ05-L type wireless communication modules, and transmission range is within 100 meters.
Electric power meter on-line testing system of the utility model based on ZigBee technology, technique effect are as follows:
1:Voltage sensor and current sensor are open type structure, are directly sandwiched on tested wire during measurement, Without interference with the normal operation of circuit or power network during verification, there is the characteristics of anti-tampering, easy to operate.
2:The advantages of making full use of the low-power consumption of ZigBee technology, low rate, long-distance transmissions, strong antijamming capability, makes On-line testing process more adapts to information-based intelligent grid, modernization, the demand of automation.
3:Remote is carried out to check system by hand-held terminal device, prevents from carrying out long-time verification operation at the scene The generation of brought security incident.
4:The utility model is based on ZigBee wireless communication technologys, and information transfer can be carried out in the range of 100 meters, it is sufficient to Meet the field demand of on-line testing.
Brief description of the drawings
Fig. 1 is system construction drawing of the present utility model.
Embodiment
As shown in figure 1, a kind of electric power meter on-line testing system based on ZigBee technology, including sensing list Member 1, voltage and current signal processing unit 2, signal transmission unit 3, verification platform 4, by school transformer 5, by school electric energy meter 6, ZigBee wireless communication units 7, hand-held terminal device 8.
The sensing unit 1 includes voltage sensor and current sensor, is open type structure.Voltage sensor Including low-voltage arm electric capacity and high voltage arm capacitor, for primary voltage signal to be converted into small voltage signal;Current transformer includes Iron core, measurement wire turn, compensation wire turn, for primary current signal to be converted into low current signal.
The voltage and current signal processing unit 2 mainly includes A/D converter, level switch module etc., by sensing The voltage and current signal that unit 1 comes out is converted to the data signal of standard.
Communication between the signal transmission unit 3 and voltage and current signal processing unit 2 is transmitted with optical fiber, flat with verifying Data communication is carried out by USB line between platform 4, signal transmission unit 3 includes two groups of optical fiber, and one group is used to transmit synchronizing signal, One group is used to transmit data-signal.
It is described verification platform 4 be industrial computer, thereon installation Labview softwares, write based on Labview verify accordingly it is soft Part, for calculating the electric flux of STANDARD MEASURING APPARATUS FOR and verified metering device, analyze and record the mistake of verified metering device Difference.
The ZigBee wireless communication units 7 are SZ05-L type wireless communication modules, mainly by the verification data of tester It is transferred to hand-held terminal device 8.
For the hand-held terminal device 8 to support the Multifunctional intelligent pocket terminal of ZigBee communication, operating personnel pass through this Equipment just can realize the Remote of electric power meter on-line testing, and the transmission range of the equipment is within 100 meters, it is sufficient to full The demand at foot scene.
A kind of electric power meter on-line testing system based on ZigBee technology of the utility model, by existing online school Check system is combined with ZigBee technology, makes full use of the low-power consumption of ZigBee technology, low rate, long-distance transmissions, anti-interference energy The advantages that power is strong, Remote is carried out to the on-line testing of electric power meter by hand-held terminal device.The system being capable of pole The intellectuality of big raising electric power meter on-line testing, the level of IT application, can realize that Watthour meter remote communicates Function, there is very big practical value at the scene.

Claims (6)

1. a kind of electric power meter on-line testing system based on ZigBee technology, including sensing unit(1), voltage electricity Flow signal processing unit(2), signal transmission unit(3), verification platform(4), ZigBee wireless communication units(7), handheld terminal Equipment(8);It is characterized in that:The sensing unit(1)Connect voltage and current signal processing unit(2), voltage x current letter Number processing unit(2)Connect signal transmission unit(3), signal transmission unit(3)Connection verification platform(4), verify platform(4)Even Connect ZigBee wireless communication units(7), ZigBee wireless communication units(7)Connect hand-held terminal device(8);Sensing unit (1)The signal received is transferred to voltage and current signal processing unit(2), then pass through signal transmission unit(3)It is transferred to Verification platform below(4), verify platform(4)By the normal voltage current signal received and by school transformer(5)Or by School electric energy meter(6)Pulse signal be compared;
Hand-held terminal device(8), for carrying out Remote to on-line testing.
2. a kind of electric power meter on-line testing system based on ZigBee technology, its feature exist according to claim 1 In:The sensing unit(1)It is open type structure including voltage sensor, current sensor;
Voltage sensor includes low-voltage arm electric capacity and high voltage arm capacitor, for primary voltage signal to be converted into small voltage signal;
Current sensor includes iron core, measurement wire turn, compensation wire turn, for primary current signal to be converted into low current signal.
3. a kind of electric power meter on-line testing system based on ZigBee technology, its feature exist according to claim 1 In:The voltage and current signal processing unit(2), for by sensing unit(1)Voltage and current signal out is converted to The data signal of standard.
4. a kind of electric power meter on-line testing system based on ZigBee technology, its feature exist according to claim 1 In:The signal transmission unit(3)With voltage and current signal processing unit(2)Between communication transmitted with optical fiber;Signal transmits Unit(3)With verifying platform(4)Between data communication carried out by USB line;
The signal transmission unit(3)Comprising two groups of optical fiber, one group is used to transmit synchronizing signal, and one group is used to transmit data letter Number.
5. a kind of electric power meter on-line testing system based on ZigBee technology, its feature exist according to claim 1 In:The verification platform(4)For industrial computer.
6. a kind of electric power meter on-line testing system based on ZigBee technology, its feature exist according to claim 1 In:The ZigBee wireless communication units(7)For SZ05-L type wireless communication modules, transmission range is within 100 meters.
CN201721157265.8U 2017-09-11 2017-09-11 A kind of electric power meter on-line testing system based on ZigBee technology Expired - Fee Related CN207133421U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721157265.8U CN207133421U (en) 2017-09-11 2017-09-11 A kind of electric power meter on-line testing system based on ZigBee technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721157265.8U CN207133421U (en) 2017-09-11 2017-09-11 A kind of electric power meter on-line testing system based on ZigBee technology

Publications (1)

Publication Number Publication Date
CN207133421U true CN207133421U (en) 2018-03-23

Family

ID=61637924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721157265.8U Expired - Fee Related CN207133421U (en) 2017-09-11 2017-09-11 A kind of electric power meter on-line testing system based on ZigBee technology

Country Status (1)

Country Link
CN (1) CN207133421U (en)

Similar Documents

Publication Publication Date Title
CN105445691B (en) A kind of power information collecting device synthetic fault diagnosis system
CN103472432B (en) The real load error pick-up unit of intelligent substation electric energy metering secondary and method
CN108414830A (en) Twin-core intelligent electric meter with non-invasive powerline road breakdown judge function
CN201780328U (en) On-line monitoring device for wireless transmission lightning arrester
CN103389440B (en) A kind of power fault analysis system
CN103472433B (en) Intelligent substation electric energy measuring secondary system virtual load error detection device and method
KR101151673B1 (en) Remote automatic meter reading system
CN104777445B (en) A kind of electronic type voltage transformer on-line testing system
CN104535957A (en) Measuring accuracy comparison device of intelligent substation
CN108827381A (en) A kind of miniature electronic devices of Embedded measurable blow-off line multi-parameter
CN105680909A (en) Monitoring equipment used for broadband power line carrier communication network
CN104090173A (en) Multi-node distributed field intensity test system and method based on Bluetooth communication
CN201859181U (en) Remote water quality monitoring system
CN201955465U (en) Electronic transformer test system
CN207133421U (en) A kind of electric power meter on-line testing system based on ZigBee technology
CN202815078U (en) Current measuring device
CN106199489A (en) Laboratory reproduction type digitalized electric energy measuring equipment remote calibration system and method
CN203433104U (en) Real load error detector for secondary electric-energy metering loop of intelligent transformer station
CN110940873A (en) Device and method for detecting topological relation between user electric meter and transformer
CN203365573U (en) Electric power parameter monitoring device for intelligent electrical network
CN203259202U (en) WIFI water meter, WIFI heat meter and remote information management system of WIFI water meter and WIFI heat meter
CN202548187U (en) Monitoring system of qualified rate of supply voltage of power grid
CN203259645U (en) Electronic transformer interference test system in GIS (Geographic Information System) based on real-time Ethernet
CN207301202U (en) Low-voltage distribution network circuit health status monitors device on-line
CN207516538U (en) A kind of intelligent electric energy meter check system based on PLC distributed I/Os

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180323

Termination date: 20180911

CF01 Termination of patent right due to non-payment of annual fee