CN109557357A - Contactless voltage surveys recording device, system and method - Google Patents
Contactless voltage surveys recording device, system and method Download PDFInfo
- Publication number
- CN109557357A CN109557357A CN201811607297.2A CN201811607297A CN109557357A CN 109557357 A CN109557357 A CN 109557357A CN 201811607297 A CN201811607297 A CN 201811607297A CN 109557357 A CN109557357 A CN 109557357A
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- recording device
- contactless voltage
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 34
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
- 230000005684 electric field Effects 0.000 claims abstract description 17
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 230000006855 networking Effects 0.000 claims description 5
- 238000004886 process control Methods 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 10
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000005697 Pockels effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Current Or Voltage (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of contactless voltages to survey recording device, system and method, which includes measured conductor, contactless voltage survey recording device and monitoring backstage.Contactless voltage surveys the underface that recording device is set to measured conductor comprising for obtaining the photoelectric sensing module and laser module, the electric field strength is converted to the signal acquisition process module of measured conductor voltage and test data is sent to monitoring backstage wireless communication module of measured conductor electric field strength.Photoelectric sensing module is connect with laser module and signal acquisition process module respectively by optical fiber, and signal acquisition process module is connect with wireless communication module.Monitoring backstage includes the server for receiving, storing and forwarding data, and to the terminal that test data is handled.The present invention avoids voltage measuring apparatus from contacting with the direct of power equipment, eliminates the overlap joint work of tester, greatly improves the efficiency and safety of test, it can be ensured that the safety of equipment under test and survey crew.
Description
Technical field
The present invention relates to a kind of voltages for substation's Start-up and Adjustment to survey recording system more particularly to a kind of contactless electricity
Pressure surveys recording device and the survey recording system comprising the device.
Background technique
Before newly-built high voltage substation and ultra-high-tension power transmission line put into operation, for examination substation and the insulation performance of route,
It needs to carry out separating brake by breaker to transformer and transmission line of electricity, continuous operation of closing a floodgate, it is temporary with the operation electromagnetism of simulation system
State process.The voltage signal of measuring transformer and transmission line of electricity is needed during test, to reflect the multivoltage in operating process
Situation examines insulation status.
Existing voltage signal measuring system requires to be directly connected to power equipment, including following several: one is
It is directly connected to the high-pressure conductor in substation without external insulation；A kind of end shield being attached to casing；One kind being attached to voltage
Mutual inductor secondary terminals.Once measuring device goes wrong, the safety of tested power equipment will be directly threatened, such as cause height
Press the failures such as conductor ground connection, end shield open circuit, voltage transformer short circuit.The voltage signal measurement method influences power equipment safety
Greatly, wiring risk is big, such as capacitive divider needs crane to be carried, and Transformer Bushing Tap wiring needs work of ascending a height
Industry not only consumes a large amount of time and efforts of tester, but also increases risk hidden danger.
Summary of the invention
Goal of the invention: in view of the above problems, the present invention proposes a kind of safety and the higher contactless electricity of testing efficiency
Pressure surveys recording device and system, avoids voltage measuring apparatus from contacting with the direct of power equipment, eliminates the lapwork of tester
Make.
Technical solution: the technical scheme adopted by the invention is that a kind of contactless voltage surveys recording device, it is characterised in that:
The device includes photoelectric sensing module for obtaining measured conductor electric field strength and laser module, is converted to the electric field strength
The signal acquisition process module of measured conductor voltage, wireless communication module and the center that test data is sent to monitoring backstage
Control module, photoelectric sensing module is connect with laser module and signal acquisition process module respectively by optical fiber, at signal acquisition
Reason module is connect with wireless communication module.
Further, the photoelectric sensing module includes induction plate, derided capacitors and photoelectric sensing unit, the photoelectricity
Sensing module includes induction plate, derided capacitors and photoelectric sensing unit, and derided capacitors are equipped with and respectively correspond power station voltage class
Multiple gears.Be preferably provided with 7 gears, respectively correspond power station voltage class 10kV, 20kV, 35kV, 110kV, 220kV,
The test of 500kV, 1000kV convert gear using photoswitch.
Further, it further includes for adjusting the flexible of photoelectric sensing module height that the contactless voltage, which surveys recording device,
Bracket and the universal wheel for adjusting setting position, the photoelectric sensing module are set to the top of telescope support.The flexible branch
Frame have multiple flexible gears, be arranged 7 grades, respectively correspond power station voltage class 10kV, 20kV, 35kV, 110kV, 220kV,
The test of 500kV, 1000kV, gear corresponding with derided capacitors is consistent when test.
Further, it further includes being located at outside the insulation of photoelectric sensing module-external that the contactless voltage, which surveys recording device,
Shell, insulation crust are connected with telescope support top.The device uses lithium battery power supply, and by battery management chip to lithium battery
Carry out power management.The device further includes the display control module and liquid crystal display for test parameter and display waveform to be arranged
Screen.The device uses wireless internet of things networking communication or WiFi communication.
The present invention also provides a kind of contactless voltages to survey recording system, which includes that contactless voltage surveys record dress
Set, cordless communication network and monitoring backstage；Contactless voltage surveys the underface that recording device is set to measured conductor comprising
For obtaining the photoelectric sensing module of measured conductor electric field strength and laser module, the electric field strength being converted to measured conductor electricity
The signal acquisition process module of pressure, the wireless communication module and central control module that test data is sent to monitoring backstage,
Photoelectric sensing module is connect with laser module and signal acquisition process module respectively by optical fiber, signal acquisition process module and nothing
The connection of line communication module；Contactless voltage surveys recording device, and by the conductor voltage data measured, network is sent to by wireless communication
Monitoring backstage；Monitoring backstage includes the server for receiving, storing and forwarding data, and test data is handled
Terminal.
The voltage method for measuring and recording of recording system is surveyed using above-mentioned contactless voltage, comprising the following steps:
(1) contactless voltage is surveyed into the underface that recording device is set to measured conductor, the device and monitoring backstage pass through nothing
Line communication network keeps normal communication；
(2) after test starts, under the process control that contactless voltage surveys the central control module in recording device, first
Photoelectric sensing module and laser module obtain measured conductor electric field strength, and then signal acquisition process module turns the electric field strength
It is changed to the voltage of measured conductor, test data is finally sent to monitoring backstage by wireless communication module；
(3) monitoring backstage stores on the server after receiving voltage data, and is transmitted to terminal by server
Data are handled.
The utility model has the advantages that compared with the prior art, the present invention can survey record pair of connecting wires electricity to avoid substation's Start-up and Adjustment scene
The security implication of power equipment avoids complicated wiring, installation work, greatly improves the efficiency and safety of test, can
Ensure equipment under test and survey crew's personal safety.In addition, system communication and power technology of the invention have low-power consumption, are not necessarily to
External power supply, not by substation's electromagnetic interference the advantages of.
Detailed description of the invention
Fig. 1 is system principle schematic diagram of the invention；
Fig. 2 is that contactless voltage of the present invention surveys recording device schematic diagram；
Fig. 3 is the schematic diagram of internal structure of photoelectric sensing module of the present invention；
Fig. 4 is the functional block diagram that contactless voltage of the present invention surveys recording device.
Specific embodiment
Further description of the technical solution of the present invention with reference to the accompanying drawings and examples.
A kind of contactless voltage of the present invention surveys recording system, as shown in Figure 1, including measured conductor, contactless
Voltage surveys recording device and monitoring backstage.One contactless voltage, which surveys recording device, can measure a phase voltage, test three-phase voltage
Need three devices.The device is moveable, and in measurement process, contactless voltage survey recording device is placed on tested lead
The underface of body, according to measured voltage grade regulating device height and intrinsic standoff ratio, using space electric field effect measurement transformer or
The transient voltage signal of person's transmission line of electricity, and send transient signal to after locally saving on wireless monitor backstage.Monitoring backstage
Device is mountable on master control room, relay protection room or instruction carriage, also to can be set the control centre outside several kilometers in standing.Monitoring
Backstage includes the server for receiving, storing and forwarding data, and to the terminal that test data is handled.Prison
Communication is specifically using LoRa wireless internet of things networking in control background apparatus and contactless voltage survey recording device
Technology, the characteristics of being provided simultaneously with low-power consumption and remote networking, transmission range is up to dozens of kilometres.Based on LoRa technology
General data transmitter can persistently send information to the reception gateway apart from ten or twenty kilometer in the case where low-voltage power supply,
And can be steady operation 10 years or more.In addition to LoRa technology of Internet of things, other wireless internet of things networking technologys, example also can choose
As Zigbee, NB-IOT etc. carry out data transmission.If monitoring backstage be located at test site, i.e., transmission range it is short in the case where,
Also the form that can choose WiFi wireless transmission carries out data transmission.
As shown in Fig. 2, it includes photoelectric sensing module 1, laser module that contactless voltage of the present invention, which surveys recording device,
2, signal acquisition process module 3, wireless communication module 4, battery module 5, telescope support 6, earth clip 7, universal wheel 8, insulation are outer
Shell 9.The device further includes that central control module is run for control device.
Photoelectric sensing module 1 is connect with laser module 2 and signal acquisition process module 3 respectively by optical fiber, for obtaining
The electric field strength of measured conductor, and it is transferred to signal acquisition process module 3.Laser module 2 is connect with battery module 5, is provided steady
Determine light source.Signal acquisition process module 3, which has, carries out demodulation process, automatic trigger, time label, data storage to voltage signal
Function, demodulated for the optical signal to photoelectric sensing module, obtain measured conductor voltage, and triggered as needed
Acquisition, data after processing is saved, and module 4 carries out data transmission by wireless communication.As shown in figure 3, photoelectric sensing
Module 1 includes induction plate 11, derided capacitors 13, photoelectric sensing unit 12.Derided capacitors 13 are connect with induction plate 11, one
End connection pole plate, other end ground connection；Photoelectric sensing unit 12 is in parallel with derided capacitors 13.The derided capacitors 13 share 7 grades, root
It is designed according to measured voltage grade, shares totally 7 grades of 10kV, 20kV, 35kV, 110kV, 220kV, 500kV, 1000kV, test
When be adjusted according to measured voltage grade, and the gear of derided capacitors is converted using photoswitch.Measuring principle is to utilize quilt
The space capacitor and derided capacitors 13 for surveying conductor and the composition of induction plate 11 form intrinsic standoff ratio, are measured by photoelectric sensing unit 12
Voltage in induction plate 11 extrapolates the voltage of measured conductor.Photoelectric sensing unit 12 is by the sensing based on Pockels effect
Device crystal, the polarizer, analyzer, quarter wave plate, fiber optic collimator mirror are constituted, and measurable angle reaches 360 °, and measurement accuracy is high.
Battery module 5 include battery pack and battery management chip, respectively with laser module 2, signal acquisition process model 3,
Wireless communication module 4 connects, for providing DC power supply.Earth clip 7 connects the derided capacitors in photoelectric sensing module 1, uses
When with station in earthing bar be connected, for providing good earth for photoelectric sensing module.
Telescope support 6 shares totally 7 grades of 10kV, 20kV, 35kV, 110kV, 220kV, 500kV, 1000kV, when test according to
Measured voltage grade is adjusted, and gear corresponding with derided capacitors is consistent.The crust of the device bottom is also equipped with universal wheel 8 and system
Dynamic switch, can carry out 360 ° of movements, press the fixed device of brake switch after determining position.Photoelectric sensing module 1 is set to flexible
The top of bracket 6, outside be covered with insulation crust, prevent personnel electric shock cause danger.
Liquid crystal display 10 use android system and touch screen, can check real-time waveform, recording waveform, setting trigger condition,
It checks battery capacity, check that system is arranged, operate internal storage data.
As shown in figure 4, the framework mode that signal acquisition process module 3 is combined using ARM with FPGA.Wherein, ARM is used
Cortex A9 processor is responsible for laser module control, communication, data storage, data management, triggering equipment, liquid crystal display.
FPGA is responsible for optical signal demodulation, data sampling, data calculating, time label.The synchronous letter of clock is obtained by clock synchronization module
Breath, by timestamp label to the frame head of every frame data, in the memory that then places data into.Wireless communication module uses ROLA core
Piece, ARM chip send data to wireless monitor backstage by ROLA chip.Battery module 5 uses 48V lithium battery power supply, RAM
There are power supply integrated management program, then low power operation in monitoring state in chip, high power is transported when artificial wake-up in triggering
Row extends power-on time.
Using the set non-contact voltage survey recording system carry out contactless voltage survey record method the following steps are included:
(1) contactless voltage is surveyed into the underface that recording device is set to measured conductor, the device and monitoring backstage pass through nothing
Line communication network keeps normal communication.By liquid crystal display interactive interface, test parameter is set.When contactless voltage surveys record dress
When being equipped with multiple test voltage gears, according to measured voltage grade regulating device height and intrinsic standoff ratio.
(2) after test starts, under the process control that contactless voltage surveys the central control module in recording device, first
Photoelectric sensing module and laser module obtain measured conductor electric field strength, and then signal acquisition process module turns the electric field strength
It is changed to the voltage of measured conductor, test data is finally sent to monitoring backstage by wireless communication module.
(3) monitoring backstage stores on the server after receiving voltage data, and is transmitted to terminal by server
Data are handled.
If the above method is realized and when sold or used as an independent product in the form of software, can store one
In a computer-readable storage medium.
Claims (9)
1. a kind of contactless voltage surveys recording device, it is characterised in that: the device includes for obtaining measured conductor electric field strength
Photoelectric sensing module and laser module, the electric field strength is converted to measured conductor voltage signal acquisition process module, will
Test data is sent to the wireless communication module and central control module on monitoring backstage, and photoelectric sensing module is distinguished by optical fiber
It is connect with laser module and signal acquisition process module, signal acquisition process module is connect with wireless communication module.
2. contactless voltage according to claim 1 surveys recording device, it is characterised in that: the photoelectric sensing module includes
Induction plate, derided capacitors and photoelectric sensing unit, derided capacitors are connect with induction plate, and in parallel with photoelectric sensing unit,
Derided capacitors are equipped with the multiple gears for respectively corresponding power station voltage class.
3. contactless voltage according to claim 2 surveys recording device, it is characterised in that: the contactless voltage surveys record
Device further includes the universal wheel of the telescope support and adjustment setting position for adjusting photoelectric sensing module height, described flexible
Bracket has multiple flexible gears corresponding with the derided capacitors gear, and the photoelectric sensing module is set to telescope support
Top.
4. contactless voltage according to claim 1 surveys recording device, it is characterised in that: the contactless voltage surveys record
Device uses lithium battery power supply, and carries out power management to lithium battery by battery management chip.
5. contactless voltage according to claim 1 surveys recording device, it is characterised in that: the contactless voltage surveys record
Device further includes the insulation crust for being located at photoelectric sensing module-external, and insulation crust is connected with telescope support top.
6. contactless voltage according to claim 1 surveys recording device, it is characterised in that: the contactless voltage surveys record
Device further includes the display control module and liquid crystal display for test parameter and display waveform to be arranged.
7. contactless voltage according to claim 1 surveys recording device, it is characterised in that: the contactless voltage surveys record
Device uses wireless internet of things networking communication or WiFi communication.
8. a kind of contactless voltage surveys recording system, it is characterised in that: the system includes that contactless voltage surveys recording device, wireless
Communication network and monitoring backstage；Contactless voltage surveys the underface that recording device is set to measured conductor comprising for obtaining
Measured conductor electric field strength photoelectric sensing module and laser module, the letter that the electric field strength is converted to measured conductor voltage
Number acquisition processing module, the wireless communication module and central control module that test data is sent to monitoring backstage, photoelectric transfer
Sense module is connect with laser module and signal acquisition process module respectively by optical fiber, signal acquisition process module and wireless communication
Module connection；Contactless voltage surveys recording device for the conductor voltage data measured after network is sent to monitoring by wireless communication
Platform；Monitoring backstage includes the server for receiving, storing and forwarding data, and to the computer that test data is handled
Terminal.
9. a kind of voltage method for measuring and recording for surveying recording system using contactless voltage according to any one of claims 8, which is characterized in that packet
Include following steps:
(1) contactless voltage is surveyed into the underface that recording device is set to measured conductor, the device and monitoring backstage pass through channel radio
Communication network keeps normal communication；
(2) after test starts, under the process control that contactless voltage surveys the central control module in recording device, photoelectricity first
Sensing module and laser module obtain measured conductor electric field strength, and then signal acquisition process module is converted to the electric field strength
Test data is finally sent to monitoring backstage by wireless communication module by the voltage of measured conductor；
(3) monitoring backstage stores on the server after receiving voltage data, and is transmitted to terminal logarithm by server
According to being handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607297.2A CN109557357B (en) | 2018-12-27 | 2018-12-27 | Non-contact voltage measuring and recording device, system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811607297.2A CN109557357B (en) | 2018-12-27 | 2018-12-27 | Non-contact voltage measuring and recording device, system and method |
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| Publication Number | Publication Date |
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| CN109557357A true CN109557357A (en) | 2019-04-02 |
| CN109557357B CN109557357B (en) | 2024-02-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766434A (en) * | 2020-08-06 | 2020-10-13 | 苏州康力丰纳米科技有限公司 | High-voltage safety indicating device based on nematic polymer polarization and application method |
| CN113702682A (en) * | 2021-10-09 | 2021-11-26 | 福州大学 | Non-electrical contact type remote transmission voltage transformer based on laser and working method thereof |
| CN114264890A (en) * | 2021-12-22 | 2022-04-01 | 成都高斯电子技术有限公司 | Non-contact type electrical parameter measurement and verification device and method for operating power equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111766434A (en) * | 2020-08-06 | 2020-10-13 | 苏州康力丰纳米科技有限公司 | High-voltage safety indicating device based on nematic polymer polarization and application method |
| CN113702682A (en) * | 2021-10-09 | 2021-11-26 | 福州大学 | Non-electrical contact type remote transmission voltage transformer based on laser and working method thereof |
| CN114264890A (en) * | 2021-12-22 | 2022-04-01 | 成都高斯电子技术有限公司 | Non-contact type electrical parameter measurement and verification device and method for operating power equipment |
| CN114264890B (en) * | 2021-12-22 | 2024-05-10 | 成都高斯电子技术有限公司 | Non-contact type electric parameter measurement and verification device and method for operating power equipment |
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| CN109557357B (en) | 2024-02-02 |
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