CN201107354Y - SPD early alarming administrative system - Google Patents
SPD early alarming administrative system Download PDFInfo
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- CN201107354Y CN201107354Y CNU2007201926031U CN200720192603U CN201107354Y CN 201107354 Y CN201107354 Y CN 201107354Y CN U2007201926031 U CNU2007201926031 U CN U2007201926031U CN 200720192603 U CN200720192603 U CN 200720192603U CN 201107354 Y CN201107354 Y CN 201107354Y
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Abstract
The utility model relates to an SPD warning management system, which comprises a leakage flow current sensor that is arranged on a detection circuit and can transform a lightening signal into an electrical signal, and a collection terminal connected with the leakage flow current sensor. The collection terminal is connected with a data processing center through a communication interface, and is composed of a signal processing module, a high-speed data collection circuit module, an FPGA control data processing module, and a collection terminal CPU. The input end of the collection terminal is connected with a 32 switching value which is connected with an SPD lightning arrester. The data center comprises a system setting module, a system essential data management module, an alarm and maintenance module, and a data statistical analysis module. The system records the detected data of the action condition and the online running state of lightningproof components in time, transmits the data center into a data base through different communication modes to perform the statistical analysis of the data, and alarms to the components meeting the warning condition.
Description
Technical field
The utility model relates to the thunderbolt detection range, relates in particular to a kind of SPD pre-warning management system.
Background technology
The thunder and lightning disaster is classified as " one of ten kinds of the most serious disasteies " by United Nations, be called " the big public hazards of electronic age " by International Electrotechnical Commission.According to incompletely statistics, China every year is because of thunder and lightning disaster more than one hundred million units that cause any property loss.Along with the development of Chinese national economy and the raising of modernization level, particularly owing to the fast development of infotech, the extent of injury of thunder and lightning disaster and the economic loss that causes and social influence are increasing.China has put into effect relevant lightning protection law and standard and a large amount of lightning protection components has been installed, and the surge protector of installation (SPD) is more and more.During the online long-time running of these SPD, resisting the lightning surge pulsating wave on the one hand invades and harasses, on the other hand also in unaccelerated aging, in case SPD is in deterioration, inefficacy edge, not only may cause local power equipment normally to move, also might lose protection effect when thunderbolt, therefore, the assessment of the detection of online SPD performance state and equipment integral lightning surge protective capacities is important lightning protection work equally.Because the equipment that carries out real-time scientific quantification detection and damage lightning protection component (SPD) is reported to the police after lightning protection component safe requirement, the market demand are moved to lightning protection component.
Present lightning protection component detection technique generally all adopts the switching value detection method, gather the lightning protection device duty from the switching value state terminal of lightning protection device itself, this sample loading mode can only be gathered the damage of lightning protection component, can not report to the police to the lightning protection component that is about to damage, can not gather earial drainage electric current and waveform after the lightning protection device action.
Along with to the research of the evaluation of lightning strike accident, thunder and lightning invasion risk assessment and guard technology, to the analysis of certain regional internal induction Lightning Over-voltage level, original technology and product can't be realized.
Summary of the invention
The utility model is at deficiency of the prior art, but provide a kind of detection lightning protection component running-active status of dynamic continuance, and has higher accuracy, and will detect to action parameter and running state data send it back data center in real time, thereby analyze the SPD pre-warning management system of making correct early warning report.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
The SPD pre-warning management system, be included in the earial drainage current sensor that lightning strike signals can be converted to electric signal that detection line is provided with, and the acquisition terminal that is connected with the earial drainage current sensor, described acquisition terminal connects data processing centre (DPC) by communication interface, described acquisition terminal comprises signal condition module, high-speed data sample circuit module, FPGA control data processing module, acquisition terminal CPU:
Described signal condition module is used for the electric signal that the earial drainage current sensor transmits is nursed one's health into the analog voltage signal of 0-2.5V;
Described high-speed data sample circuit module is under the control of FPGA, and the analog voltage signal that the signal condition module is transmitted continues high-speed sampling;
The data that described FPGA control data processing module is sent here high-speed data sample circuit module are passed through the fpga chip Real-Time Filtering, and filtered thunderbolt data are deposited in the internal buffer of FPGA;
After adding real-time markers, the data set that described acquisition terminal CPU is used to read the FPGA internal buffer deposits in the CPU memory block, the input end of described acquisition terminal CPU also is connected with 32 way switch amounts, described 32 way switch amounts connect the SPD lightning arrester, and described data center comprises that system is provided with module, system-based data management module, warning and maintenance module, data statistic analysis module.
This system can finish detection, the lightning protection component on-line operation status detection function to secondary device lightning protection component action situation.Realization is with detected lightning protection component action situation (earial drainage electric current, polarity, waveform, duration etc.) and on-line operation status data real time record, and can enter database by different communication modes (Ethernet, RS485, SMS, GPRS, CDMA etc.) transmitting data in real time center, database carries out statistical study to all data, and the device that meets early-warning conditions is reported to the police.
To the thunderstruck place of any possibility, can be for identifying thunder calamity accident; Can supply the research of unattended communication base station, high-building intelligent building circuit secondary induced overvoltage level.Adopt the earial drainage current sensor in conjunction with continuing high-speed sampling and Real-Time Filtering technology, realized lasting, high precision collecting, thereby obtained the lightning protection component action parameter for lightning protection component.This mode has adopted real lasting detection, continues to continue to take place repeatedly action and also can not omit phenomenon.
As preferably, described signal condition module is responsible for signal condition with high speed operation amplifier chip AD8041.
As preferably, described high-speed data sample circuit module is finished the high speed acquisition of lightning strike signals with high-speed a/d conversion chip THS1206.
As preferably, the signal that described FPGA control data processing module is sent here high-speed data sample circuit module with fpga chip XC3S250 is by the FPGA Real-Time Filtering, and the lasting high-speed sampling of control signal conditioning module.
As preferably, described acquisition terminal CPU comprises that CPU carries the ARM chip STR710 of the FLASH program space, data space and SRAM.
As preferably, described communication interface is 232 isolating interfaces or 485 isolating interfaces or XPORT module interface or GR47 module interface.Select different communication modes according to distinct interface, realize real-time transmitting function.
As preferably, described earial drainage current sensor loop is located on the detection line.The mode that adopts ring to wear is located at the earial drainage current sensor at detection line, and is more comprehensive when it detects, and can ignore to the degree of accuracy requirement of installation site.
As preferably, described acquisition terminal CPU output terminal also is connected with the LED indicating device.Be used for the display alarm signal.
Figure of description
Fig. 1 is the system principle diagram of present embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As shown in Figure 1, among the figure dotted line band direction of arrow be controlling party to, the SPD pre-warning management system, be included in the earial drainage current sensor 1 that lightning strike signals can be converted to electric signal that detection line is provided with, and the acquisition terminal that is connected with earial drainage current sensor 1, described acquisition terminal connects data processing centre (DPC) 9 by communication interface, described acquisition terminal comprises signal condition module 2, high-speed data sample circuit module 3, FPGA control data processing module 4, acquisition terminal CPU5: described signal condition module 2 is used for the electric signal that earial drainage current sensor 1 transmits is nursed one's health into the analog voltage signal of 0-2.5V; Described high-speed data sample circuit module 3 is under the control of FPGA, and the analog voltage signal that signal condition module 2 is transmitted continues high-speed sampling; The data that 4 pairs of high-speed data sample circuits of described FPGA control data processing module module 3 is sent here are passed through the fpga chip Real-Time Filtering, and filtered thunderbolt data are deposited in the internal buffer of FPGA; After adding real-time markers, the data set that described acquisition terminal CPU5 is used to read the FPGA internal buffer deposits in the CPU memory block, the input of described acquisition terminal CPU5 also is connected with 32 way switch amounts 12, described 32 way switch amounts 12 connect the SPD lightning arrester, promptly 1 32 way switch amount can connect 32 SPD lightning arresters, switching value 12 is used to detect whether actual effect of corresponding SPD lightning arrester, it has 32 road light lotus root interfaces, by 4 74HC245 chips, allow CPU read 32 way switch amount states by the mode of bus, if the generation state variation will send alerting signal and data.Described acquisition terminal CPU5 output terminal also is connected with LED indicating device 10.
Described data center comprises that system is provided with module, the system-based data management module, report to the police and maintenance module, the data statistic analysis module, described system is provided with module, the user who mainly finishes system is provided with, other data of communications parameter setting and system thereof are provided with etc., described system-based data management module, mainly finish on-site terminal, the infield time, the collection point information parameter, functions such as person liable's management and conversion, described warning and maintenance module: mainly finishing reports to the police is provided with, alarm logging, functions such as maintenance record, described data statistic analysis module: the query analysis of mainly finishing each relevant information, the statistics of alert data, functions such as the statistical study of collection point data and maintenance statistics.
In the present embodiment, described earial drainage current sensor 1 ring is located on the detection line, after described earial drainage current sensor 1 converts lightning strike signals to electric signal, send into described signal condition module 2, described signal condition module 2 is responsible for signal condition with high speed operation amplifier chip AD8041, the voltage signal that electric signal is become 0-2.5V is sent into high-speed data sample circuit module 3, described high-speed data sample circuit module 3 is finished the high speed acquisition of lightning strike signals with high-speed a/d conversion chip THS1206, it is the high speed acquisition of finishing under the control of the fpga chip of FPGA control data processing module this lightning strike signals, described fpga chip is XC3S250, described XC3S250 chip carries out Real-Time Filtering to the data that read from THS1206 to be handled, be about to filter non-thunderbolt data, detect and will deposit in the buffer zone that the XC3S250 chip carries above the thunderbolt data of the threshold values that sets in advance, and notice acquisition terminal CPU5 reads, can notify CPU5 to read by the hardware interrupts mode, and the data to having read can be cleared out of buffer zone again automatically.
Described acquisition terminal CPU5, comprise that CPU carries the ARM chip STR710 of the flash program space, data space and SRAM, CPU receives in the reading of data that fpga chip sends and has no progeny, initiatively read the data of FPGA buffer zone chip, the data storage area that deposits CPU oneself after the markers of current time on the data tape that reads in, and transmit data to data processing centre (DPC) by communication interface.
In the present embodiment, communication interface can be 232/485 photoelectricity isolating interface, also can be the XPORT module interface, perhaps GPRS module interface, select different communication modes according to distinct interface, as Ethernet, RS485, SMS, GPRS, CDMA etc.) be sent to data processing centre (DPC) 9 in real time and carry out analyzing and processing.
The SPD pre-warning management system has been finished thunderbolt invasion electric current real-time online measuring abilities such as transmission of electricity (high and low pressure) circuit, information transmission lines.Realization is with detected thunder-strike current, polarity, waveform, data in real time records such as duration, and can pass through different communication modes (Ethernets, RS485, SMS, GPRS, CDMA etc.) analyzing and processing is carried out at the transmitting data in real time center, and system has improved needed 12V, 5V, 3.3V, 2.5V, 1.2V Deng voltage, and RS232 isolating interface and XPORT network interface arranged in the system, when system adopts ethernet communication with regard to direct practical XPORT module, during mode communications such as practical if desired GPRS or CDMA, just corresponding module is received on the RS232 serial ports of system.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (8)
1.SPD pre-warning management system, be included in the earial drainage current sensor (1) that lightning strike signals can be converted to electric signal that detection line is provided with, and the acquisition terminal that is connected with earial drainage current sensor (1), described acquisition terminal connects data processing centre (DPC) (9) by communication interface, it is characterized in that, described acquisition terminal comprises signal condition module (2), high-speed data sample circuit module (3), FPGA control data processing module (4), acquisition terminal CPU (5):
Described signal condition module (2) is used for the electric signal that earial drainage current sensor (1) transmits is nursed one's health into the analog voltage signal of 0-2.5V;
Described high-speed data sample circuit module (3) is under the control of FPGA, and the analog voltage signal that signal condition module (2) is transmitted continues high-speed sampling;
The data that described FPGA control data processing module (4) is sent here high-speed data sample circuit module (3) are passed through the fpga chip Real-Time Filtering, and filtered thunderbolt data are deposited in the internal buffer of FPGA;
After adding real-time markers, the data set that described acquisition terminal CPU (5) is used to read the FPGA internal buffer deposits in the CPU memory block, the input end of described acquisition terminal CPU (5) also is connected with 32 way switch amounts (12), described 32 way switch amounts (12) connect the SPD lightning arrester, and described data center comprises that system is provided with module, system-based data management module, warning and maintenance module, data statistic analysis module.
2. SPD pre-warning management system according to claim 1, described signal condition module (2) is responsible for signal condition with high speed operation amplifier chip AD8041.
3. SPD pre-warning management system according to claim 1, described high-speed data sample circuit module (3) are finished the high speed acquisition of lightning strike signals with high-speed a/d conversion chip THS1206.
4. SPD pre-warning management system according to claim 1, described FPGA control data processing module (4) is passed through the FPGA Real-Time Filtering with the signal that fpga chip XC3S250 sends here high-speed data sample circuit module (3), and the lasting high-speed sampling of control signal conditioning module (2).
5. SPD pre-warning management system according to claim 1 is characterized in that, described acquisition terminal CPU (5) comprises that CPU carries the ARM chip STR710 of the FLASH program space, data space and SRAM.
6. SPD pre-warning management system according to claim 1 is characterized in that, described communication interface is 232 isolating interfaces or 485 isolating interfaces or XPORT module interface or GR47 module interface.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described SPD pre-warning management systems, it is characterized in that described earial drainage current sensor (1) ring is located on the detection line.
8. according to the described SPD pre-warning management system of claim 7, it is characterized in that described acquisition terminal CPU (5) output terminal also is connected with LED indicating device (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201926031U CN201107354Y (en) | 2007-11-30 | 2007-11-30 | SPD early alarming administrative system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201926031U CN201107354Y (en) | 2007-11-30 | 2007-11-30 | SPD early alarming administrative system |
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| CN201107354Y true CN201107354Y (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201926031U Expired - Fee Related CN201107354Y (en) | 2007-11-30 | 2007-11-30 | SPD early alarming administrative system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581748B (en) * | 2009-06-24 | 2011-09-07 | 西安工程大学 | Zinc oxide arrester on-line monitoring system |
| CN103983830A (en) * | 2014-04-23 | 2014-08-13 | 南京信息工程大学 | Automatic-monitoring switch type surge protective device afterflow device |
| CN104793092A (en) * | 2015-05-15 | 2015-07-22 | 河北工业大学 | Data acquisition device in surge protection device |
| CN105954634A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Online monitoring device for lightning arrester |
-
2007
- 2007-11-30 CN CNU2007201926031U patent/CN201107354Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581748B (en) * | 2009-06-24 | 2011-09-07 | 西安工程大学 | Zinc oxide arrester on-line monitoring system |
| CN103983830A (en) * | 2014-04-23 | 2014-08-13 | 南京信息工程大学 | Automatic-monitoring switch type surge protective device afterflow device |
| CN103983830B (en) * | 2014-04-23 | 2016-06-08 | 南京信息工程大学 | The device of a kind of automatic monitoring slowdown monitoring switch type surge protector afterflow |
| CN104793092A (en) * | 2015-05-15 | 2015-07-22 | 河北工业大学 | Data acquisition device in surge protection device |
| CN104793092B (en) * | 2015-05-15 | 2018-04-06 | 河北工业大学 | Data acquisition device in surge protector |
| CN105954634A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Online monitoring device for lightning arrester |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20121130 |