CN202600037U - Direct lightning recording apparatus for transmission line - Google Patents
Direct lightning recording apparatus for transmission line Download PDFInfo
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- CN202600037U CN202600037U CN 201220017376 CN201220017376U CN202600037U CN 202600037 U CN202600037 U CN 202600037U CN 201220017376 CN201220017376 CN 201220017376 CN 201220017376 U CN201220017376 U CN 201220017376U CN 202600037 U CN202600037 U CN 202600037U
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- transmission line
- data acquisition
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Abstract
The utility model discloses a direct lightning recording apparatus for a transmission line. The apparatus comprises a power supply unit, a current sensor unit, a data acquisition unit, and a communication unit; the power supply unit is respectively connected with the current sensor unit, the data acquisition unit, and the communication unit and supplies power; the output terminal of the current sensor unit is connected with the input terminal of the data acquisition unit; and the output terminal of the data acquisition unit is connected with an input unit of the communication unit. The data acquisition unit is used to convert a current signal of a lead of the transmission line into a voltage signal and collect the voltage signal to carry out processing; and the communication unit uploads the data signal processed by the data acquisition unit to an external upper computer. According to the utility model, accurate statistics of the number of times of direct lightning on the transmission line can be realized.
Description
Technical field
The utility model relates to electric system lightning monitoring technology, particularly relates to transmission line of electricity direct lightning strike pen recorder.
Background technology
At present in the operation of power networks process, what each thunderbolt threatened really that transmission line of electricity causes tripping is the thunderbolt of directly hitting transmission line of electricity, i.e. direct lightning strike.Yet though can recognize every transmission line of electricity lightning stroke trip number of times in year, because the dispersiveness of lightening activity on time and space, the number of times that transmission line of electricity suffers thunder and lightning directly to hit transmission line of electricity (direct lightning strike) every year but is to have nothing in common with each other every year.
Understanding thunderbolt frequency and the position of attacking transmission line of electricity directly is very important basic data for the validity of passing judgment on transmission line of electricity lightning Protection Design and lightning protection measures.Certain bar circuit is transformed back tripping operation number of times through lightning protection and has been lacked, and is that the direct lightning strike number of times has lacked or lightning protection measures has been brought into play effect really on earth, just need pass judgment on according to transmission line of electricity direct lightning strike data.Though it is yet existing lightning location system can provide thunderbolt number of times and intensity annual on the circuit corridor, has how many times to hit transmission line of electricity on earth, quite difficult for present technology.
The utility model content
The purpose of the utility model just provides a kind of transmission line of electricity direct lightning strike pen recorder, can realize the accurate statistics of transmission line of electricity direct lightning strike.
The purpose of the utility model can realize through following technical scheme:
A kind of transmission line of electricity direct lightning strike pen recorder; Comprise power supply unit, current sensor unit, data acquisition unit, communication unit; Said power supply unit links to each other with current sensor unit, data acquisition unit, communication unit respectively and power supply is provided; The output terminal of said current sensor links to each other with the input end of data acquisition unit, and the output terminal of said data acquisition unit links to each other with the input block of communication unit; Convert the current signal of the lead of transmission line of electricity into voltage signal through data acquisition unit, gathered this voltage signal and handled by data acquisition unit, the data-signal after by communication unit data acquisition unit being handled again is uploaded to outside host computer.
The said power supply unit of the utility model comprise successively getting of linking to each other can the unit, voltage transformation unit, rectification filtering unit and voltage regulation unit.
Said the getting of the utility model can comprise the iron-core coil on the lead that is installed on transmission line of electricity in the unit, and said voltage transformation unit comprises transformer, and the output terminal of said iron-core coil links to each other with the elementary winding two ends of transformer.
The said voltage transformation unit of the utility model also comprises divider resistance, current-limiting resistance, first voltage stabilizing diode, second voltage stabilizing diode, relay; Be connected in parallel on the two ends of the elementary winding of transformer after said first, second voltage stabilizing diode differential concatenation through divider resistance; Between the negative electrode of said current-limiting resistance and the negative electrode that is connected first voltage stabilizing diode after the coil of relay is connected and second voltage stabilizing diode, the normally opened contact of said relay is connected between the output terminal and center tap of transformer secondary output winding.
The said current sensor of the utility model unit comprises Luo-coil and integrating resistor, and said Luo-coil is installed on the lead of transmission line of electricity, and said integrating resistor is connected between two output terminals of Luo-coil.
The said data acquisition unit of the utility model comprises signal sampling circuit, multi-channel data SS, A/D converter, the storage buffer module that links to each other successively; Also comprise control module, said multi-channel data SS, A/D converter, storage buffer module link to each other with the corresponding port of control module.
Compared with prior art, the utlity model has following advantage:
This device can accurately be judged transmission line of lightning strike corridor and near the earth of transmission line of lightning strike, and the direct lightning strike that transmission line of electricity receives is added up, and its installation work amount is little, maintenance is simple, and the monitoring automation degree is high.
Description of drawings
Fig. 1 is that the module of the utility model transmission line of electricity direct lightning strike pen recorder connects synoptic diagram;
Fig. 2 is the connection synoptic diagram of the power supply unit of the utility model;
Fig. 3 is the connection synoptic diagram of the utility model current sensor unit;
Fig. 4 is the connection synoptic diagram of the utility model data acquisition module;
Fig. 5 is the connection synoptic diagram of the utility model communication unit.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further to specify.
Transmission line of electricity direct lightning strike pen recorder as shown in Figure 1; It comprises power supply unit, current sensor unit, data acquisition unit, communication unit; Power supply unit links to each other with current sensor unit, data acquisition unit, communication unit respectively and power supply is provided; The output terminal of current sensor links to each other with the input end of data acquisition unit, and the output terminal of data acquisition unit links to each other with the input block of communication unit; Convert the current signal of the lead of transmission line of electricity into voltage signal through data acquisition unit; Gather this voltage signal and processing by data acquisition unit; Data-signal after by communication unit data acquisition unit being handled again is uploaded to outside host computer, thereby establishes a communications link with host computer.
As shown in Figure 2, power supply unit comprise successively getting of linking to each other can the unit, voltage transformation unit, rectification filtering unit and voltage regulation unit.Get and can comprise the iron-core coil 1 on the lead 2 that is installed on transmission line of electricity in the unit, realize the online ability of getting of transmission line of electricity through the iron-core coil 1 of annular, voltage transformation unit comprises transformer N, and the output terminal of iron-core coil 1 links to each other with the elementary winding Ns two ends of transformer.Voltage transformation unit also comprises divider resistance R1, current-limiting resistance R2, the first voltage stabilizing diode D1, the second voltage stabilizing diode D2, relay J 1; Be connected in parallel on the two ends of the elementary winding Np of transformer after first, second voltage stabilizing diode D1, the D2 differential concatenation through divider resistance R1, two voltage stabilizing diode D1, D2 and divider resistance are formed voltage sample circuit.Between the negative electrode of current-limiting resistance R2 and the negative electrode that is connected the first voltage stabilizing diode D1 after the coil of relay J 1 is connected and the second voltage stabilizing diode D2; The normally opened contact K1 of relay is connected between the output terminal and center tap of transformer secondary output winding Ns, thereby can reach the no-load voltage ratio that trigger relay J1 when setting threshold values changes transformer N at the output voltage of iron-core coil 1.
Full-wave rectifying circuit of being made up of four diode D3, D4, D5, D6 of the output termination of transformer N constitutes rectification filtering unit; The output of rectification circuit connects the function that a smoothing reactor L1 realizes filtering; On the output terminal of current rectifying and wave filtering circuit, connect one by Transient Suppression Diode D7 and the holding circuit that power consumption resistance R 3 is formed; When the current rectifying and wave filtering circuit output voltage is too high; Transient Suppression Diode D7 conducting consumes excess energy through power consumption resistance R 3; The output terminal of current rectifying and wave filtering circuit inserts mu balanced circuit again, and mu balanced circuit is mainly realized by DC/DC module LM2576, constitutes voltage regulation unit.
As shown in Figure 3; The current sensor unit comprises Luo-coil 3 and integrating resistor R4; Luo-coil 3 is installed on the lead of transmission line of electricity, and integrating resistor R4 is connected between two output terminals of Luo-coil 3, and Luo-coil 3 has tens frequency response characteristic; It converts the current signal of transmission line wire into voltage signal, the signal that the output data collecting unit can be gathered behind the process integrating resistor R4 integration.
As shown in Figure 4; Data acquisition unit comprises signal sampling circuit, multi-channel data SS, A/D converter, the storage buffer module that links to each other successively; Also comprise control module, multi-channel data SS, A/D converter, storage buffer module link to each other with the corresponding port of control module; Wherein, master controller MSP430 and CPLD form control module, and the multi-channel data SS adopts CD4051, and A/D converter adopts ADS5422.
As shown in Figure 5, communication unit adopts the GPRS communication system, also can adopt cdma communication system.This communication unit mainly comprises microprocessor MSP430F169, Siemens GPRS communication module MC35i, SIM circuit and SRAM storer.The serial interface of microprocessor MSP430F169 is connected to the input end of communication module MC35i, and MC35i links to each other with the SRAM memory with the SIM circuit respectively.The data-signal that collects through data acquisition unit gets into the MC35i transmission through serial interface; Pass through operation of serial-port between communication module MC35i and microprocessor MSP430F169; Use various AT to instruct mutual communication; Through in the GPRS communication software of implementing this GPRS communication system, embedding ICP/IP protocol, to realize the Network Transmission of data.The SIM circuit mainly is made up of the SIM that present operator provided, the drawer type deck of 6 pins etc.6 pins of SIM link to each other with communication module MC35i through the drawer type deck, accomplish exchanges data.Temporary variable in the main storage microprocessor MSP430F169 of the SRAM storer processing procedure and a large amount of various collection Wave data are for transmission.Communication unit uploads to outside host computer management system with digitized waveform signal.
The embodiment of the utility model is not limited thereto; Foregoing according to the utility model; Utilize the ordinary skill knowledge and the customary means of this area; Do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite, the utility model can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.
Claims (6)
1. transmission line of electricity direct lightning strike pen recorder; It is characterized in that: comprise power supply unit, current sensor unit, data acquisition unit, communication unit; Said power supply unit links to each other with current sensor unit, data acquisition unit, communication unit respectively and power supply is provided; The output terminal of said current sensor links to each other with the input end of data acquisition unit, and the output terminal of said data acquisition unit links to each other with the input block of communication unit; Convert the current signal of the lead of transmission line of electricity into voltage signal through data acquisition unit, gathered this voltage signal and handled by data acquisition unit, the data-signal after by communication unit data acquisition unit being handled again is uploaded to outside host computer.
2. transmission line of electricity direct lightning strike pen recorder according to claim 1 is characterized in that: said power supply unit comprise successively getting of linking to each other can the unit, voltage transformation unit, rectification filtering unit and voltage regulation unit.
3. transmission line of electricity direct lightning strike pen recorder according to claim 2; It is characterized in that: said getting can comprise the iron-core coil on the lead that is installed on transmission line of electricity in the unit; Said voltage transformation unit comprises transformer, and the output terminal of said iron-core coil links to each other with the elementary winding two ends of transformer.
4. transmission line of electricity direct lightning strike pen recorder according to claim 3; It is characterized in that: said voltage transformation unit also comprises divider resistance, current-limiting resistance, first voltage stabilizing diode, second voltage stabilizing diode, relay; Be connected in parallel on the two ends of the elementary winding of transformer after the said the one the second voltage stabilizing diode differential concatenations through divider resistance; Between the negative electrode of said current-limiting resistance and the negative electrode that is connected first voltage stabilizing diode after the coil of relay is connected and second voltage stabilizing diode, the normally opened contact of said relay is connected between the output terminal and center tap of transformer secondary output winding.
5. transmission line of electricity direct lightning strike pen recorder according to claim 1; It is characterized in that: said current sensor unit comprises Luo-coil and integrating resistor; Said Luo-coil is installed on the lead of transmission line of electricity, and said integrating resistor is connected between two output terminals of Luo-coil.
6. transmission line of electricity direct lightning strike pen recorder according to claim 1; It is characterized in that: said data acquisition unit comprises signal sampling circuit, multi-channel data SS, A/D converter, the storage buffer module that links to each other successively; Also comprise control module, said multi-channel data SS, A/D converter, storage buffer module link to each other with the corresponding port of control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220017376 CN202600037U (en) | 2012-01-13 | 2012-01-13 | Direct lightning recording apparatus for transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220017376 CN202600037U (en) | 2012-01-13 | 2012-01-13 | Direct lightning recording apparatus for transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202600037U true CN202600037U (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220017376 Expired - Lifetime CN202600037U (en) | 2012-01-13 | 2012-01-13 | Direct lightning recording apparatus for transmission line |
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| Country | Link |
|---|---|
| CN (1) | CN202600037U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374996A (en) * | 2014-11-24 | 2015-02-25 | 南京信息工程大学 | Lightning current monitoring system for low-voltage electric transmission line |
-
2012
- 2012-01-13 CN CN 201220017376 patent/CN202600037U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374996A (en) * | 2014-11-24 | 2015-02-25 | 南京信息工程大学 | Lightning current monitoring system for low-voltage electric transmission line |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
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| CX01 | Expiry of patent term |