CN104965118A - Antitheft type multifunctional wireless high-voltage cable sheath grounding current monitoring system - Google Patents
Antitheft type multifunctional wireless high-voltage cable sheath grounding current monitoring system Download PDFInfo
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- CN104965118A CN104965118A CN201510017809.XA CN201510017809A CN104965118A CN 104965118 A CN104965118 A CN 104965118A CN 201510017809 A CN201510017809 A CN 201510017809A CN 104965118 A CN104965118 A CN 104965118A
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Abstract
The invention relates to a monitoring system, and especially relates to an antitheft type multifunctional wireless high-voltage cable sheath grounding current monitoring system. The system comprises a monitoring system, an acquisition system, a grounding box, a cable anti-cut-theft alarm and current transformers, wherein the acquisition system is respectively connected with a high-voltage cable A phase, a high-voltage cable B phase and a high-voltage cable C phase through the current transformers and the cable anti-cut-theft alarm , the high-voltage cable A phase, the high-voltage cable B phase and the high-voltage cable C phase are respectively connected with the grounding box through the cable anti-cut-theft alarm and the current transformers, the acquisition system is connected with the grounding box through the cable anti-cut-theft alarm, and the acquisition system sends information to the monitoring system through a wireless network. According to the invention, cable main insulation aging or defects, oversheath multipoint grounding faults, cross interconnection connection errors, direct grounding failure, protection grounding short circuits and grounding box thefts can be discovered, network nodes are regularly detected, and link faults are automatically diagnosed.
Description
Technical field
The present invention relates to a kind of monitoring system, refer in particular to a kind of anti-theft type multifunction wireless type high-tension cable sheath grounding current monitoring system.
Background technology
High pressure single-core power cables has relative to common triple cable that lawsuit power is large, reliability is high, failure rate of insulation is a little low.Along with the development in city, the high voltage single-core cable number of applications of 35KV and above is badly in need of increasing, and uses comparatively extensive in the power supply system that particularly electricity consumption is larger.These high-tension cable great majority are all be arranged on underground, and these cable lines are as transport network component, and status is very important, and the safety problem of circuit is also very important.The circumstance complication of the high-tension circuit of these undergrounds, brings very large difficulty to operating maintenance, and the defect of cable existence simultaneously and hidden danger also need to expend a lot of man power and materials and keeps in repair.
When cable generation sheath breaks or damages, change suddenly can be there is and depart from current value when normally working in the sheath grounding current of cable, therefore the ground current of cable sheath can reflect the state that high-tension electricity runs, domestic monitoring high-tension cable sheath grounding current also extremely lacks, many areas be artificial to ground current carry out timing detect, not only waste of manpower resource, and can not monitor in real time ground current value, along with the progress of country, high-tension cable sheath grounding current Real-Time Monitoring is very necessary.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art; there is provided a kind of anti-theft type multifunction wireless type high-tension cable sheath grounding current monitoring system, the present invention can find that cable major insulation is aging or defect, oversheath multipoint earth faults, cross interconnected wrong, direct imperfect earth, protective ground short circuit and grounding box are stolen.
A kind of anti-theft type multifunction wireless of the present invention type high-tension cable sheath grounding current monitoring system is achieved through the following technical solutions:
A kind of anti-theft type multifunction wireless type high-tension cable sheath grounding current monitoring system, comprise monitoring system, acquisition system, grounding box, cable Anti-cutting alarmer summation current transformer, acquisition system is respectively by current transformer, cable theft-prevention cuts alarm and high-tension cable A phase, high-tension cable B phase is connected with high-tension cable C, high-tension cable A phase, high-tension cable B phase is connected with grounding box respectively by cable Anti-cutting alarmer summation current transformer with high-tension cable C phase, acquisition system is cut alarm by cable theft-prevention and is connected with grounding box, information is sent to monitoring system by wireless network by acquisition system.
Described acquisition system comprises Current Mutual Inductance unit, information conversion unit, information storage unit and information transmitting unit, the current signal that Current Mutual Inductance unit inputs is become voltage signal by convert information cell translation by acquisition system, the voltage signal of conversion is by after filtering, amplification, amplitude limiting processing, by information storage unit, the signal after process is stored again, finally by wireless network and Ethernet by the Signal transmissions after process to the corresponding monitoring system of transformer station.
Described monitoring system comprises data receipt unit, data storage element, Data Computation Unit, data analysis unit, alarm unit and display unit, alarm unit comprises sound and light alarm module, short message alarm module and platform alarm module, the current data that monitoring system is obtained from acquisition system by wireless network, the current data collected is passed through data receipt unit, data storage element, after Data Computation Unit and data analysis unit process, data after process and the Data Comparison of alarm unit, information after contrast is sent to display unit and acousto-optic alarm module again, short message alarm module, platform alarm module, measurement of correlation and alert data pass on center of the centralized monitor and relevant maintainer's mobile phone, by center of the centralized monitor by final ground current data forming curves data and event, alert data is undertaken preserving and printing by display unit.
The invention has the beneficial effects as follows: by the monitoring to high-voltage cable metal sheath ground current, can the major insulation situation of Real-Time Monitoring cable, the situation of oversheath and the situation of earthed system.The situations such as the aging or defect of cable major insulation, oversheath multipoint earth faults, cross interconnected wrong, directly imperfect earth, protective ground short circuit and grounding box be stolen can be found.Timely prompting cable runs the risk existed, the safe operation of protection cable.Only have the user by authorizing just to may have access to data server simultaneously.Database can adopt two-shipper or multi-computer back-up, ensures that data integrity is with reliable.Software is simplified form of Chinese Character operation interface, has detailed help document, and has remote maintenance functions.When major insulation is breakdown or line tripping time, by SMS alarm, system determines that the cable of the section of puncturing is interval at once; System at regular intervals detects network node, automatic diagnosis link failure.
Below in conjunction with the embodiment of accompanying drawing illustrated embodiment, foregoing of the present invention is described in further detail again.
Accompanying drawing explanation
Fig. 1 is the structural drawing of a kind of anti-theft type multifunction wireless of the present invention type high-tension cable sheath grounding current monitoring system;
Fig. 2 is the monitoring system of a kind of anti-theft type multifunction wireless of the present invention type high-tension cable sheath grounding current monitoring system and the structural drawing of acquisition system.
Embodiment
As depicted in figs. 1 and 2, a kind of anti-theft type multifunction wireless of the present invention type high-tension cable sheath grounding current monitoring system comprises monitoring system, acquisition system, grounding box, cable Anti-cutting alarmer summation current transformer, acquisition system is respectively by current transformer, cable theft-prevention cuts alarm and high-tension cable A phase, high-tension cable B phase is connected with high-tension cable C, high-tension cable A phase, high-tension cable B phase is connected with grounding box respectively by cable Anti-cutting alarmer summation current transformer with high-tension cable C phase, acquisition system is cut alarm by cable theft-prevention and is connected with grounding box, information is sent to monitoring system by wireless network by acquisition system.
Described acquisition system comprises Current Mutual Inductance unit, information conversion unit, information storage unit and information transmitting unit, the current signal that Current Mutual Inductance unit inputs is become voltage signal by convert information cell translation by acquisition system, the voltage signal of conversion is by after filtering, amplification, amplitude limiting processing, by information storage unit, the signal after process is stored again, finally by wireless network and Ethernet by the Signal transmissions after process to the corresponding monitoring system of transformer station.
Described monitoring system comprises data receipt unit, data storage element, Data Computation Unit, data analysis unit, alarm unit and display unit, alarm unit comprises sound and light alarm module, short message alarm module and platform alarm module, the current data that monitoring system is obtained from acquisition system by wireless network, the current data collected is passed through data receipt unit, data storage element, after Data Computation Unit and data analysis unit process, data after process and the Data Comparison of alarm unit, information after contrast is sent to display unit and acousto-optic alarm module again, short message alarm module, platform alarm module, measurement of correlation and alert data pass on center of the centralized monitor and relevant maintainer's mobile phone, by center of the centralized monitor by final ground current data forming curves data and event, alert data is undertaken preserving and printing by display unit.
Current transformer is arranged on ground wire in high-tension cable A phase, high-tension cable B phase and high-tension cable C phase or cross interconnected line, real-time continuous ground gathers the ground current size of each point being monitored, current transformer adopts open-type, no-load voltage ratio is selected according to actual load, and size is selected according to cable physical size, precision 0.2 grade, 5 times of saturation currents, after primary side current exceedes rated current, mutual inductor reaches magnetic saturation, and secondary side current no longer increases.And measurement data is sent to acquisition system, anti-theft alarm sensor is arranged on ground wire in high-tension cable A phase, high-tension cable B phase and high-tension cable C phase or cross interconnected line, robber for monitoring grounding cable cuts, destroys warning, and alerting signal is sent to acquisition system.
The current data received is changed into the simulating signal of 4 ~ 20mA of standard by acquisition system, and by integrated for the signal collecting all current transformers, monitoring system is passed to by controlling wireless signal, monitoring system receives the data that acquisition system transmits, and change into digital signal, digital signal by carrying out analysis and treament by data analysis unit after data storage element and Data Computation Unit, to realize the functions such as monitoring, warning, archives data.
Data analysis unit analyzes the currency of circulation and history value, if increase to a certain numerical value, system gives the alarm; Analyze the currency of circulation rate of change and history value, if increase to a certain numerical value, system gives the alarm; Analyze the ratio of circulation and core electric current, if increase to a certain numerical value, system gives the alarm; Analyze the ratio rate of change of circulation and core electric current, if increase to a certain numerical value, system gives the alarm; Whether earth wire is stolen judges, if ground wire is stolen, then judges the particular location of stolen ground wire and sends warning.Alarm has following form: SMS alarm, sound and light alarm and platform are reported to the police.
The current data collected is saved in database by acquisition system automatically automatically, can interactive inquiry and calling easily; Acquisition system can preserve the current data of more than 1 year, and data acquisition and storage density can set as required.To critical events such as warning messages, system automatic classification stores, convenient inquiry.Dbbackup utility is provided, can backs up, the operations such as deletion.
Claims (3)
1. an anti-theft type multifunction wireless type high-tension cable sheath grounding current monitoring system, comprise monitoring system, acquisition system, grounding box, cable Anti-cutting alarmer summation current transformer, it is characterized in that: acquisition system is respectively by current transformer, cable theft-prevention cuts alarm and high-tension cable A phase, high-tension cable B phase is connected with high-tension cable C, high-tension cable A phase, high-tension cable B phase is connected with grounding box respectively by cable Anti-cutting alarmer summation current transformer with high-tension cable C phase, acquisition system is cut alarm by cable theft-prevention and is connected with grounding box, information is sent to monitoring system by wireless network by acquisition system.
2. a kind of anti-theft type multifunction wireless type high-tension cable sheath grounding current monitoring system according to claim 1, it is characterized in that: described acquisition system comprises Current Mutual Inductance unit, information conversion unit, information storage unit and information transmitting unit, the current signal that Current Mutual Inductance unit inputs is become voltage signal by convert information cell translation by acquisition system, the voltage signal of conversion passes through filtering, amplify, after amplitude limiting processing, by information storage unit, the signal after process is stored again, finally by wireless network and Ethernet by the Signal transmissions after process to the corresponding monitoring system of transformer station.
3. a kind of anti-theft type multifunction wireless type high-tension cable sheath grounding current monitoring system according to claim 1, it is characterized in that: described monitoring system comprises data receipt unit, data storage element, Data Computation Unit, data analysis unit, alarm unit and display unit, alarm unit comprises sound and light alarm module, short message alarm module and platform alarm module, the current data that monitoring system is obtained from acquisition system by wireless network, the current data collected is passed through data receipt unit, data storage element, after Data Computation Unit and data analysis unit process, data after process and the Data Comparison of alarm unit, information after contrast is sent to display unit and acousto-optic alarm module again, short message alarm module, platform alarm module, measurement of correlation and alert data pass on center of the centralized monitor and relevant maintainer's mobile phone, by center of the centralized monitor by final ground current data forming curves data and event report, alert data are undertaken preserving and printing by display unit.
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| CN201510017809.XA CN104965118A (en) | 2015-01-14 | 2015-01-14 | Antitheft type multifunctional wireless high-voltage cable sheath grounding current monitoring system |
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| CN201510017809.XA CN104965118A (en) | 2015-01-14 | 2015-01-14 | Antitheft type multifunctional wireless high-voltage cable sheath grounding current monitoring system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301346A (en) * | 2015-11-30 | 2016-02-03 | 国网山东省电力公司烟台供电公司 | High-voltage power transmission cable earth current automatic detection device |
| CN107452172A (en) * | 2017-09-20 | 2017-12-08 | 上海鑫灵电力科技发展有限公司 | One kind is stopped cable monitoring system |
| CN107632185A (en) * | 2017-09-21 | 2018-01-26 | 国网天津市电力公司电力科学研究院 | Hv cable termination can shunting anti-theft grounding and measurement apparatus |
| CN110031732A (en) * | 2019-04-15 | 2019-07-19 | 安徽康能电气有限公司 | A kind of comprehensive on-line monitoring system of cable sheath |
| CN110244101A (en) * | 2019-05-23 | 2019-09-17 | 国网山东省电力公司临沂供电公司 | The fixed anti-external force of construction point multi-function of high-tension cable destroys monitoring system and method |
| CN112034758A (en) * | 2020-08-31 | 2020-12-04 | 成都市达岸信息技术有限公司 | Low-power-consumption multifunctional Internet of things security monitoring device and system |
| CN113640574A (en) * | 2020-04-27 | 2021-11-12 | 南京南瑞继保电气有限公司 | Tunnel cable sheath grounding circulation on-line monitoring device and monitoring method |
| CN114325231A (en) * | 2021-12-28 | 2022-04-12 | 山东电工电气集团有限公司 | XLPE cable sheath current on-line monitoring and fault diagnosis system |
| CN114460490A (en) * | 2022-01-17 | 2022-05-10 | 武汉朕泰智能科技有限公司 | Method for diagnosing ground short circuit fault inside high-voltage cable sheath grounding box |
| WO2022121191A1 (en) * | 2020-12-11 | 2022-06-16 | 长缆电工科技股份有限公司 | Grounding cable antitheft protection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490354U (en) * | 2009-08-25 | 2010-05-26 | 山东电力集团公司淄博供电公司 | Grounding system of metal sheath of single-core high-voltage cable |
| CN102866289A (en) * | 2012-09-05 | 2013-01-09 | 山东康威通信技术股份有限公司 | Power cable sheath grounding current fault analysis method |
| CN202770938U (en) * | 2012-05-11 | 2013-03-06 | 云南电网公司昆明供电局 | Anti-theft circulation current on-line monitoring system with grounding wire |
| CN103344885A (en) * | 2013-07-16 | 2013-10-09 | 国家电网公司 | High-voltage single-core cable protective covering grounding online monitoring device and control method |
-
2015
- 2015-01-14 CN CN201510017809.XA patent/CN104965118A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490354U (en) * | 2009-08-25 | 2010-05-26 | 山东电力集团公司淄博供电公司 | Grounding system of metal sheath of single-core high-voltage cable |
| CN202770938U (en) * | 2012-05-11 | 2013-03-06 | 云南电网公司昆明供电局 | Anti-theft circulation current on-line monitoring system with grounding wire |
| CN102866289A (en) * | 2012-09-05 | 2013-01-09 | 山东康威通信技术股份有限公司 | Power cable sheath grounding current fault analysis method |
| CN103344885A (en) * | 2013-07-16 | 2013-10-09 | 国家电网公司 | High-voltage single-core cable protective covering grounding online monitoring device and control method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301346A (en) * | 2015-11-30 | 2016-02-03 | 国网山东省电力公司烟台供电公司 | High-voltage power transmission cable earth current automatic detection device |
| CN107452172A (en) * | 2017-09-20 | 2017-12-08 | 上海鑫灵电力科技发展有限公司 | One kind is stopped cable monitoring system |
| CN107632185B (en) * | 2017-09-21 | 2019-09-27 | 国网天津市电力公司电力科学研究院 | Hv cable termination can shunt anti-theft grounding and measuring device |
| CN107632185A (en) * | 2017-09-21 | 2018-01-26 | 国网天津市电力公司电力科学研究院 | Hv cable termination can shunting anti-theft grounding and measurement apparatus |
| CN110031732A (en) * | 2019-04-15 | 2019-07-19 | 安徽康能电气有限公司 | A kind of comprehensive on-line monitoring system of cable sheath |
| CN110244101B (en) * | 2019-05-23 | 2022-03-22 | 国网山东省电力公司临沂供电公司 | Multifunctional external force damage prevention monitoring system and method for high-voltage cable fixing construction point |
| CN110244101A (en) * | 2019-05-23 | 2019-09-17 | 国网山东省电力公司临沂供电公司 | The fixed anti-external force of construction point multi-function of high-tension cable destroys monitoring system and method |
| CN113640574A (en) * | 2020-04-27 | 2021-11-12 | 南京南瑞继保电气有限公司 | Tunnel cable sheath grounding circulation on-line monitoring device and monitoring method |
| CN112034758A (en) * | 2020-08-31 | 2020-12-04 | 成都市达岸信息技术有限公司 | Low-power-consumption multifunctional Internet of things security monitoring device and system |
| CN112034758B (en) * | 2020-08-31 | 2021-11-30 | 成都市达岸信息技术有限公司 | Low-power-consumption multifunctional Internet of things security monitoring device and system |
| WO2022121191A1 (en) * | 2020-12-11 | 2022-06-16 | 长缆电工科技股份有限公司 | Grounding cable antitheft protection system |
| CN114325231A (en) * | 2021-12-28 | 2022-04-12 | 山东电工电气集团有限公司 | XLPE cable sheath current on-line monitoring and fault diagnosis system |
| CN114460490A (en) * | 2022-01-17 | 2022-05-10 | 武汉朕泰智能科技有限公司 | Method for diagnosing ground short circuit fault inside high-voltage cable sheath grounding box |
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Application publication date: 20151007 |