CN105158706A - Multifunctional power monitoring system and method for three-phase power supply - Google Patents
Multifunctional power monitoring system and method for three-phase power supply Download PDFInfo
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- CN105158706A CN105158706A CN201510597032.9A CN201510597032A CN105158706A CN 105158706 A CN105158706 A CN 105158706A CN 201510597032 A CN201510597032 A CN 201510597032A CN 105158706 A CN105158706 A CN 105158706A
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Abstract
The invention discloses a multifunctional power monitoring system and method for a three-phase power supply. The system comprises a power monitoring center, an intelligent power monitoring device and a front-end monitoring device. The front-end monitoring device comprises a current monitoring device, a voltage monitoring device, a temperature monitoring device, a humidity monitoring device and an arc light monitoring device. The power monitoring center is connected with the intelligent power monitoring device; the intelligent power monitoring device is connected with the current monitoring device, the voltage monitoring device, the temperature monitoring device, the humidity monitoring device and the arc light monitoring device; and the intelligent power monitoring device is provided with a timing module. The multifunctional power monitoring system and method for the three-phase power supply are comprehensive in signal acquisition, take all factors into consideration during analyzing, and extract data within one minute before and after the occurrence time of an abnormal signal for reference, and thus the monitoring result is accurate.
Description
Technical field
The present invention relates to a kind of multifunction power monitoring system and method for three-phase supply.
Background technology
Power equipment has a wide range of applications in the every field of society, in order to ensure the safety by electric line, to electric line or also grid nodes to carry out electric power monitoring extremely important.
Three-phase supply tool in industrial power supply has a wide range of applications, and commercial power safety is extremely important, thus be sought after one can complete function, the monitoring method that efficiency is high.
Existing monitoring system and method not comprehensive to the monitoring of signal, also just abnormal signal is analyzed when signal is analyzed, do not consider the impact of other environmental factors, also not to the data analysis within before and after this abnormal signal one minute, larger to Influence on test result.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of multifunction power monitoring system and method for three-phase supply are provided, comprehensive to signals collecting, analyze in conjunction with all factors during analysis, and the data extracted before and after abnormal signal within a minute enter reference, and monitoring result is accurate.
The object of the invention is to be achieved through the following technical solutions: a kind of multifunction power monitoring system of three-phase supply, comprise power monitoring center, intelligent electric power monitoring device and front end monitoring equipment, described front end monitoring equipment comprises current monitoring equipment, voltage monitoring equipment, temperature monitoring equipment humidity detection equipment and arclight monitoring equipment; Described power monitoring center is connected with intelligent electric power monitoring device; Described intelligent electric power monitoring apparatus is connected with current monitoring equipment, voltage monitoring equipment, temperature monitoring equipment humidity detection equipment and arclight monitoring equipment respectively; Time block is provided with in described intelligent electric power monitoring device.
Described intelligent electric power monitoring device also comprises storer and audible-visual annunciator, and described storer is used for the signal data that storage of collected arrives.
Described intelligent electric power monitoring device also comprises Ethernet interface and RS485 interface.
The multifunction power monitoring system of described a kind of three-phase supply also comprises network message converging device, and described network message converging device is connected with energy power monitoring equipment.
Described voltage monitoring equipment comprises voltage sample module and three capacitive dividers.
The electric power monitoring method of the multifunction power monitoring system of described a kind of three-phase supply, comprises data collection steps S1, real-time analysis and treatment step S2, data upload step S3 and Surveillance center analytical procedure S4;
Described step S1 comprises following sub-step:
S11. front end monitoring equipment gathers the every signal in three-phase circuit;
S12. the signal collected is sent to intelligent electric power monitoring device by front end monitoring equipment.
Described step S2 comprises following sub-step:
S21. the real-time time by the signal received and Signal reception to be stored in memory block and to compare with the respective signal data that intelligent electric power monitoring device inside prestores by intelligent electric power monitoring device, judges that whether signal is normal:
(1) signal is normal, jumps to step S21 and compares in real time next time;
(2) signal is abnormal, and intelligent electric power monitoring device sends sound and light alarm, reminds staff to carry out emergency treatment, and the time that the abnormal signal of correspondence and this abnormal signal occur is sent to long-range Surveillance center;
Described data upload step S3 comprises following sub-step: the data in intelligent electric power monitoring device memory block are uploaded to Surveillance center by RS485 or internet every the set time by intelligent electric power monitoring apparatus;
Described Surveillance center analytical procedure S4 comprises following sub-step:
S41. the staff of Surveillance center checks abnormal signal and time of origin thereof, comprehensively analyzes in conjunction with the signal data of 1 minute before and after this time;
S42. the staff of Surveillance center provides solution according to analyzing the result obtained to this problem.
Every signal described in step S11 comprises current signal, voltage signal, temperature signal, arclight signal, moisture signal and network message data.
Described voltage monitoring equipment comprises voltage sample module and three capacitive dividers, and the voltage data acquisition method in described step S11 comprises following sub-step:
S111. one end of three capacitive dividers is connected respectively on A, B, C three-phase of three-phase circuit, the other end of three capacitive dividers is connected in voltage sample module simultaneously;
S112. voltage sample module samples the voltage signal of three capacitive dividers respectively;
S113. voltage sample module carries out signal amplification and filtering to sampling voltage data;
S114. process generation measurement data, i.e. voltage signal data are carried out in amplification and filtered data by voltage sample module, and voltage signal data is sent to intelligent electric power monitoring device.
When intelligent electric power monitoring apparatus and Surveillance center's abnormal signal carry out manual analysis, be all that binding signal data are comprehensively analyzed, to obtain analysis result more accurately.
The invention has the beneficial effects as follows: (1) is comprehensive to signals collecting, analyzes during analysis in conjunction with all factors, improve the accuracy analyzed.
(2) data extracted before and after abnormal signal within a minute enter reference, and monitoring result is accurate.
(3) in the process of monitoring voltage, have employed capacitive divider, its compressive resistance is large, and response frequency is high, and not only data acquisition is accurate under normal circumstances, in the electric voltage exception that thunder and lightning causes, equally can collect accurate data.
Accompanying drawing explanation
Fig. 1 is system principle diagram of the present invention;
Fig. 2 is method flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of multifunction power monitoring system of three-phase supply, comprise power monitoring center, intelligent electric power monitoring device and front end monitoring equipment, described front end monitoring equipment comprises current monitoring equipment, voltage monitoring equipment, temperature monitoring equipment humidity detection equipment and arclight monitoring equipment; Described power monitoring center is connected with intelligent electric power monitoring device; Described intelligent electric power monitoring apparatus is connected with current monitoring equipment, voltage monitoring equipment, temperature monitoring equipment humidity detection equipment and arclight monitoring equipment respectively; Time block is provided with in described intelligent electric power monitoring device.
Described intelligent electric power monitoring device also comprises storer and audible-visual annunciator, and described storer is used for the signal data that storage of collected arrives.
Described intelligent electric power monitoring device also comprises Ethernet interface and RS485 interface.
The multifunction power monitoring system of described a kind of three-phase supply also comprises network message converging device, and described network message converging device is connected with energy power monitoring equipment.
Described voltage monitoring equipment comprises voltage sample module and three capacitive dividers.
As shown in Figure 2, the electric power monitoring method of the multifunction power monitoring system of described a kind of three-phase supply, comprises data collection steps S1, real-time analysis and treatment step S2, data upload step S3 and Surveillance center analytical procedure S4;
Described step S1 comprises following sub-step:
S11. front end monitoring equipment gathers the every signal in three-phase circuit;
S12. the signal collected is sent to intelligent electric power monitoring device by front end monitoring equipment.
Described step S2 comprises following sub-step:
S21. the real-time time by the signal received and Signal reception to be stored in memory block and to compare with the respective signal data that intelligent electric power monitoring device inside prestores by intelligent electric power monitoring device, judges that whether signal is normal:
(1) signal is normal, jumps to step S21 and compares in real time next time;
(2) signal is abnormal, and intelligent electric power monitoring device sends sound and light alarm, reminds staff to carry out emergency treatment, and the time that the abnormal signal of correspondence and this abnormal signal occur is sent to long-range Surveillance center;
Described data upload step S3 comprises following sub-step: the data in intelligent electric power monitoring device memory block are uploaded to Surveillance center by RS485 or internet every the set time by intelligent electric power monitoring apparatus;
Described Surveillance center analytical procedure S4 comprises following sub-step:
S41. the staff of Surveillance center checks abnormal signal and time of origin thereof, comprehensively analyzes in conjunction with the signal data of 1 minute before and after this time;
S42. the staff of Surveillance center provides solution according to analyzing the result obtained to this problem.
Every signal described in step S11 comprises current signal, voltage signal, temperature signal, arclight signal, moisture signal and network message data.
Described voltage monitoring equipment comprises voltage sample module and three capacitive dividers, and the voltage data acquisition method in described step S11 comprises following sub-step:
S111. one end of three capacitive dividers is connected respectively on A, B, C three-phase of three-phase circuit, the other end of three capacitive dividers is connected in voltage sample module simultaneously;
S112. voltage sample module samples the voltage signal of three capacitive dividers respectively;
S113. voltage sample module carries out signal amplification and filtering to sampling voltage data;
S114. process generation measurement data, i.e. voltage signal data are carried out in amplification and filtered data by voltage sample module, and voltage signal data is sent to intelligent electric power monitoring device.
When intelligent electric power monitoring apparatus and Surveillance center's abnormal signal carry out manual analysis, be all that binding signal data are comprehensively analyzed, to obtain analysis result more accurately.
Claims (9)
1. the multifunction power monitoring system of a three-phase supply, it is characterized in that: comprise power monitoring center, intelligent electric power monitoring device and front end monitoring equipment, described front end monitoring equipment comprises current monitoring equipment, voltage monitoring equipment, temperature monitoring equipment humidity detection equipment and arclight monitoring equipment; Described power monitoring center is connected with intelligent electric power monitoring device; Described intelligent electric power monitoring apparatus is connected with current monitoring equipment, voltage monitoring equipment, temperature monitoring equipment humidity detection equipment and arclight monitoring equipment respectively; Time block is provided with in described intelligent electric power monitoring device.
2. the multifunction power monitoring system of a kind of three-phase supply according to claim 1, is characterized in that: described intelligent electric power monitoring device also comprises storer and audible-visual annunciator, and described storer is used for the signal data that storage of collected arrives.
3. the multifunction power monitoring system of a kind of three-phase supply according to claim 1, is characterized in that: described intelligent electric power monitoring device also comprises Ethernet interface and RS485 interface.
4. the multifunction power monitoring system of a kind of three-phase supply according to claim 1, is characterized in that: also comprise network message converging device, and described network message converging device is connected with energy power monitoring equipment.
5. the multifunction power monitoring system of a kind of three-phase supply according to claim 1, is characterized in that: described voltage monitoring equipment comprises voltage sample module and three capacitive dividers.
6. the electric power monitoring method of the multifunction power monitoring system of a kind of three-phase supply according to claim 1, is characterized in that: comprise data collection steps S1, real-time analysis and treatment step S2, data upload step S3 and Surveillance center analytical procedure S4;
Described step S1 comprises following sub-step:
S11. front end monitoring equipment gathers the every signal in three-phase circuit;
S12. the signal collected is sent to intelligent electric power monitoring device by front end monitoring equipment;
Described step S2 comprises following sub-step:
S21. the real-time time by the signal received and Signal reception to be stored in memory block and to compare with the respective signal data that intelligent electric power monitoring device inside prestores by intelligent electric power monitoring device, judges that whether signal is normal:
(1) signal is normal, jumps to step S21 and compares in real time next time;
(2) signal is abnormal, and intelligent electric power monitoring device sends sound and light alarm, reminds staff to carry out emergency treatment, and the time that the abnormal signal of correspondence and this abnormal signal occur is sent to long-range Surveillance center;
Described data upload step S3 comprises following sub-step: the data in intelligent electric power monitoring device memory block are uploaded to Surveillance center by RS485 or internet every the set time by intelligent electric power monitoring apparatus;
Described Surveillance center analytical procedure S4 comprises following sub-step:
S41. the staff of Surveillance center checks abnormal signal and time of origin thereof, comprehensively analyzes in conjunction with the signal data of 1 minute before and after this time;
S42. the staff of Surveillance center provides solution according to analyzing the result obtained to this problem.
7. the electric power monitoring method of the multifunction power monitoring system of a kind of three-phase supply according to claim 6, is characterized in that: the every signal described in step S11 comprises current signal, voltage signal, temperature signal, arclight signal, moisture signal and network message data.
8. the electric power monitoring method of the multifunction power monitoring system of a kind of three-phase supply according to claim 6, it is characterized in that: described voltage monitoring equipment comprises voltage sample module and three capacitive dividers, and the voltage data acquisition method in described step S11 comprises following sub-step:
S111. one end of three capacitive dividers is connected respectively on A, B, C three-phase of three-phase circuit, the other end of three capacitive dividers is connected in voltage sample module simultaneously;
S112. voltage sample module samples the voltage signal of three capacitive dividers respectively;
S113. voltage sample module carries out signal amplification and filtering to sampling voltage data;
S114. process generation measurement data, i.e. voltage signal data are carried out in amplification and filtered data by voltage sample module, and voltage signal data is sent to intelligent electric power monitoring device.
9. the electric power monitoring method of the multifunction power monitoring system of a kind of three-phase supply according to claim 6, it is characterized in that: when intelligent electric power monitoring apparatus and Surveillance center's abnormal signal carry out manual analysis, all that binding signal data are comprehensively analyzed, to obtain analysis result more accurately.
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Cited By (1)
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| CN108267697A (en) * | 2018-03-09 | 2018-07-10 | 浙江大学 | A kind of bank base power supply output transient state monitoring system for water quality online observation net |
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Application publication date: 20151216 |