CN202025366U - Automatic substation operating data recording device - Google Patents
Automatic substation operating data recording device Download PDFInfo
- Publication number
- CN202025366U CN202025366U CN2011201003206U CN201120100320U CN202025366U CN 202025366 U CN202025366 U CN 202025366U CN 2011201003206 U CN2011201003206 U CN 2011201003206U CN 201120100320 U CN201120100320 U CN 201120100320U CN 202025366 U CN202025366 U CN 202025366U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- data recording
- processing circuit
- recording device
- substation
- 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 - Lifetime
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to an automatic recording device, in particular to an automatic substation operating data recording device, which comprises a battery pack, a device shell, a single-chip microcomputer, a memory, a three-phase power supply sensor and a three-phase power supply data recording and processing circuit which is connected to the rear of the three-phase power supply sensor. A circuit signal data processing circuit is connected with the single-chip microcomputer. The single-chip microcomputer judges and records abnormal signals and stores the signals in a memory controlled by the single-chip microcomputer. The device additionally comprises a plane Rogowski coil sensor and a lightning current waveform data recording and processing circuit which is connected with the plane Rogowski coil sensor, wherein the lightning current waveform data recording and processing circuit is connected with the single-chip microcomputer. The automatic substation operating data recording device has the advantages that when abnormalities occur in a substation power supply system, data of abnormalities such as lightning accidents, power supply short-circuit accidents, overloads, harmonic waves and the like which occur in a substation can be recorded, accident analysis in future is facilitated, a design basis is provided for future prevention, and the function of a safe operation black box for a railway substation system is realized.
Description
Technical field
The utility model relates to a kind of self-recording unit, a kind of specifically substation operation data automatic recording device.
Background technology
Along with the fast development of high-speed railway and industry, the reliability operation of transformer station seems more and more important.For reliability design provides the design considerations of science, be the core missions of substation operation datalogger (promptly being commonly called as the power station black box).Existing several frequently seen type black box is difficult to carry out complete documentation to the thunder lightning discharge.To the record of single-phase short circuit, phase fault, three-phase equilibrium short-circuit current, exist wave recording distortion, record peak value to cut the phenomenon on top.Particularly when combined waveform is analyzed because the registering instrument acquisition rate is low, the moment that the thunder lightning discharge takes place, lightning discharge waveform recording less than; Aperiodic component and peak value component record accuracy when the transient state commentaries on classics stable state in the moment takes place short trouble are low.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part; a kind of substation operation data automatic recording device is proposed; this device divides two to overlap independently circuit data line collection on hardware; one cover high speed acquisition lightning discharge electric current; one road low speed is gathered the power current data; adopt plane Luo-coil combined sensor design; can be to the flickering (rolling) of transformer station's generation; ferroresonance; positive sequence; zero-sequence current; single-phase shorted to earth; phase fault; the three-phase equilibrium short circuit; differential protection lost efficacy; lightning surges etc. carry out accurate record, and the backstage is analyzed to provide and differed; negative-sequence current; active power; reactive power; applied power; power factor; transformer magnetizing currents etc. are analyzed data.The particularly waveform recording of lightning surge voltage, lightning discharge electric current can provide the design parameter of science more.
The purpose of this utility model realizes being finished by following technical scheme:
A kind of substation operation data automatic recording device, comprise electric battery, crust of the device, single-chip microcomputer, storer and three-phase supply sensor and the three-phase supply data recording and processing circuit that connects thereafter, described circuit signal data processing circuit connects single-chip microcomputer, single-chip microcomputer is judged, the recording exceptional signal, and be stored in the monolithic processor controlled storer, the lightning current wave graphic data recording processing circuit that this device also comprises plane Luo-coil sensor and is connected, described lightning current wave graphic data recording processing circuit connects described single-chip microcomputer.
Above-mentioned lightning current wave graphic data recording processing circuit comprises impedance inverter circuit and the AD converter and the field programmable gate array logic device FPGA that connect thereafter, described AD converter connects described FPGA, and described single-chip microcomputer connects described AD converter of control and FPGA.
This device is provided with the GPS positioning antenna, and described single-chip microcomputer connects the GPS infosystem by the GPS positioning antenna.
Above-mentioned storer is for can plug the data recording USB flash disk.The described data recording USB flash disk that plugs is connected with charactron.
The utility model has the advantages that, substation operation data automatic recording device is when transformer station's electric power system generation abnormal conditions, abnormal datas such as the lightning strike accident that can take place transformer station, power supply short circuit accident, overload, harmonic wave carry out record, be convenient to carry out crash analysis afterwards, for prevention from now on provides design considerations, realize railway transformer substation system safe operation black box function.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model substation operation data automatic recording device;
Fig. 2 is the shell mechanism synoptic diagram of the utility model device;
Fig. 3 is the inner structure constitutional diagram of the utility model device;
Fig. 4 is a circuit shielding construction synoptic diagram in the utility model device case;
Fig. 5 is circuit layout structure figure in the utility model device shielding case;
Wave recording figure when Fig. 6 the abnormal voltage waveform occurs for transformer station among the embodiment;
Fig. 7 is surge voltage waveform recording figure among the embodiment.
What wherein, Fig. 2-Fig. 4 label 1-19 indicated is; GPS positioning antenna 1; can plug data recording USB flash disk 2; duty indication 3; the digital inditron 4 of record strip number; following shielding cover board 5; power input 6; communication output terminal 7; sensor port 8; three-phase supply data recording and processing circuit board 9; lightning current waveform writing circuit plate 10; switch power module 11; surge protection module 12; external power supply terminal 13; communication interface terminal 14; sensor of thunder and lightning terminal 15; three-phase supply sensor terminal 16; lithium battery module 17; shield shell 18; last shielding cover board 19.
Embodiment
The utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Figure 1 shows that the circuit block diagram of the utility model substation operation data automatic recording device; Fig. 2 is the shell mechanism synoptic diagram of the utility model device.By Fig. 1, Fig. 2 as seen, the utility model device mainly comprises crust of the device, single-chip microcomputer, storer and three-phase supply sensor and the three-phase supply data recording and processing circuit that connects thereafter, single-chip microcomputer, storer etc.Voltage or current anomaly signal that three-phase supply sensor and plane Luo-coil sensor acquisition arrive through the AD conversion port of impedance conversion arrival controlled by single chip microprocessor, are sent into FPGA(field programmable gate array logic device through after the digital conversion).FPGA is according to the principle of first in first out, remaining the data storage of a period of time, in case electric voltage exception occurs, data begin to deliver in the monolithic processor controlled USB flash disk and store during this period of time, total data after abnormal voltage disappears the some time, one-chip computer reads GPS information simultaneously, and this moment date, time is write simultaneously, a Here it is abnormal voltage record, be displayed on charactron that USB flash disk is connected on.Whether the user can have the abnormal voltage record by the charactron perception at the scene, also can check by the RS485 bus.
In the present embodiment, the every paths of substation operation datalogger (power station black box) adopts independent plug-in AD converter+FPGA+500M buffer memory, each circuit-switched data synchronous acquisition utilizes the field programmable gate array logic device FPGA to finish data recording first in first out storage.When power supply occurred being higher or lower than standard value, the electric voltage exception signal that sensor acquisition arrives through the AD conversion port of impedance conversion arrival controlled by single chip microprocessor, was sent into FPGA(field programmable gate array logic device through after the digital conversion).FPGA is according to the principle of first in first out, remaining 5 minutes data storage, in case electric voltage exception occurs, this 5-minute data begins to deliver in the monolithic processor controlled USB flash disk to be stored, the total data after abnormal voltage disappeared 5 minutes, and one-chip computer reads GPS information simultaneously, this moment date, time are write simultaneously, finish an abnormal voltage record, be displayed on the charactron, for checking recording status in the scene.
Fig. 2 is the shell mechanism synoptic diagram of the utility model device; Fig. 3 is the inner structure constitutional diagram of the utility model device; Fig. 4 is a circuit shielding construction synoptic diagram in the utility model device case; Fig. 5 is circuit layout structure figure in the utility model device shielding case.From Fig. 2-Fig. 4 as seen, in the present embodiment, mainly handle writing circuit, power supply and shell etc. on substation operation datalogger (power station black box) entity structure and partly form by data sampling sensor, three-phase supply and thunder and lightning data splitting.Can externally plug data recording USB flash disk 2 on the crust of the device, and duty indication 3 and the digital inditron 4 of record strip number are arranged, this is outside equipped with surge protection module 12.In addition, also have various interface external sensor etc., comprise power input 6, communication output terminal 7, sensor port 8, external power supply terminal 13, communication interface terminal 14, sensor of thunder and lightning terminal 15, three-phase supply sensor terminal 16 etc.The utility model circuit unit all is assemblied in the metallic shield body, as shown in Figure 4 shield shell 18, time shielding cover board 5, last shielding cover board 19.GPS positioning antenna 1 is installed above the metallic shield body.The shield interior circuit board divides two-layer up and down, sees Fig. 5.One deck is the lightning waveform record component, and another layer is a three-phase supply waveform recording assembly.Circuit board assemblies comprise three-phase supply data recording and processing circuit board 9 and lightning current waveform writing circuit plate 10 below arrange that battery component (lithium battery module 17), Switching Power Supply assembly (switch power module 11), lightning surge guard assembly are arranged.Battery component is to prevent from can continue when external power supply disappears to the registering instrument power supply, and the entire circuit assembly is installed in the housing of sealing, sees Fig. 1.
This device has adopted advanced electric charge mapping+GPS location technology, every paths adopts independent plug-in AD converter+FPGA+500M buffer memory, each circuit-switched data synchronous acquisition, datalogger adopts the first in first out structure, when power supply occurs being higher or lower than standard value 20%, 5-minute data+faulty section data in the fault prepass+fault finishes complete the writing in the USB flash disk of back 5-minute data, and on the data recording screen number of faults of displayed record.Waveforms such as the flickering (rolling) that electrical network can be occurred, short circuit, resonance, higher hamonic wave, lightning surge carry out accurate record, for the substation safety operation provides preventative data.Show the oscillogram that the abnormal data record appears in voltage as accompanying drawing 6, Fig. 7 is the surge voltage test figure record that present embodiment carries out in the laboratory.
Claims (5)
1. substation operation data automatic recording device, comprise electric battery, crust of the device, single-chip microcomputer, storer and three-phase supply sensor and the three-phase supply data recording and processing circuit that connects thereafter, described circuit signal data processing circuit connects single-chip microcomputer, single-chip microcomputer is judged, the recording exceptional signal, and be stored in the monolithic processor controlled storer, it is characterized in that the lightning current wave graphic data recording processing circuit that this device also comprises plane Luo-coil sensor and is connected, described lightning current wave graphic data recording processing circuit connects described single-chip microcomputer.
2. a kind of substation operation data automatic recording device according to claim 1, it is characterized in that described lightning current wave graphic data recording processing circuit comprises impedance inverter circuit and the AD converter and the field programmable gate array logic device FPGA that connect thereafter, described AD converter connects described FPGA, and described single-chip microcomputer connects described AD converter of control and FPGA.
3. a kind of substation operation data automatic recording device according to claim 1 is characterized in that this device is provided with the GPS positioning antenna, and described single-chip microcomputer connects the GPS infosystem by the GPS positioning antenna.
4. a kind of substation operation data automatic recording device according to claim 1 is characterized in that described storer is for can plug the data recording USB flash disk.
5. a kind of substation operation data automatic recording device according to claim 4 is characterized in that the described data recording USB flash disk that plugs is connected with charactron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201003206U CN202025366U (en) | 2011-04-08 | 2011-04-08 | Automatic substation operating data recording device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201003206U CN202025366U (en) | 2011-04-08 | 2011-04-08 | Automatic substation operating data recording device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202025366U true CN202025366U (en) | 2011-11-02 |
Family
ID=44850310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201003206U Expired - Lifetime CN202025366U (en) | 2011-04-08 | 2011-04-08 | Automatic substation operating data recording device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202025366U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698324A (en) * | 2015-03-31 | 2015-06-10 | 国网宁夏电力公司宁东供电公司 | Movable type wave recording device for electric power |
| CN111983297A (en) * | 2020-08-21 | 2020-11-24 | 重庆新世杰电气股份有限公司 | Instantaneous residual voltage detection method, device and equipment and residual voltage recording assembly |
| CN112730966A (en) * | 2020-12-30 | 2021-04-30 | 苏州工业园区科佳自动化有限公司 | Intelligent thunder and lightning recorder |
| CN113848500A (en) * | 2021-10-12 | 2021-12-28 | 东莞市净诺环境科技股份有限公司 | Power supply monitoring method and monitoring system thereof |
-
2011
- 2011-04-08 CN CN2011201003206U patent/CN202025366U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698324A (en) * | 2015-03-31 | 2015-06-10 | 国网宁夏电力公司宁东供电公司 | Movable type wave recording device for electric power |
| CN111983297A (en) * | 2020-08-21 | 2020-11-24 | 重庆新世杰电气股份有限公司 | Instantaneous residual voltage detection method, device and equipment and residual voltage recording assembly |
| CN111983297B (en) * | 2020-08-21 | 2023-09-08 | 重庆新世杰电气股份有限公司 | Instantaneous residual pressure detection method, device and equipment |
| CN112730966A (en) * | 2020-12-30 | 2021-04-30 | 苏州工业园区科佳自动化有限公司 | Intelligent thunder and lightning recorder |
| CN113848500A (en) * | 2021-10-12 | 2021-12-28 | 东莞市净诺环境科技股份有限公司 | Power supply monitoring method and monitoring system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101854080B (en) | Digitalized fault wave recording device | |
| CN202772882U (en) | Shielding-type anti-interference electric power secondary system | |
| CN202025366U (en) | Automatic substation operating data recording device | |
| CN102157981A (en) | High-speed data acquisition and digital signal processing device | |
| CN110165778B (en) | Non-electric quantity protection fault recording device and method for oil-immersed power transformer | |
| CN201478809U (en) | Single-phase grounding line selection device for 20 kV power grid | |
| CN201673222U (en) | Portable power system fault recorder | |
| CN102882187A (en) | Photovoltaic inverter protection device and method based on CPLD (complex programmable logic device) | |
| CN114002541A (en) | Electronic intelligent feeder terminal and method for judging single-phase earth fault thereof | |
| CN205450103U (en) | On -line monitoring device for grounding current of transformer iron core | |
| CN203522165U (en) | 20kV power distribution network neutral point grounding mode intelligent switching device | |
| CN103472324A (en) | Zinc oxide lightning arrester live-line testing apparatus | |
| CN111769641B (en) | Intelligent terminal of power distribution internet of things | |
| CN202363893U (en) | Digital input electromagnetic interference protection circuit | |
| CN105827017B (en) | A kind of intelligent recording and network analysis system of intelligent substation | |
| CN201237622Y (en) | On-line monitoring device for three-phase arrester in cabinet | |
| CN204832330U (en) | Transient overvoltage monitoring facilities | |
| CN201489065U (en) | Online detection device for lightning arrester | |
| CN106026021A (en) | Method for identifying protective action fault recording graph | |
| CN203460720U (en) | Active balance type gel battery management system of electric vehicle | |
| CN203260077U (en) | Black box system of substation | |
| CN216054469U (en) | One-time and two-time fusion outdoor on-column metering switch | |
| CN202167841U (en) | High precision intelligent grounding line selection device based on electric energy metering chip technology | |
| CN105048631B (en) | A kind of multi-functional Top-down design device towards interval | |
| CN206960595U (en) | A kind of FTU devices for possessing adaptive singlephase earth fault identification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |
|
| CX01 | Expiry of patent term |