CN102183707A - High-pressure grounding on-line monitoring warning device - Google Patents
High-pressure grounding on-line monitoring warning device Download PDFInfo
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- CN102183707A CN102183707A CN201110040796XA CN201110040796A CN102183707A CN 102183707 A CN102183707 A CN 102183707A CN 201110040796X A CN201110040796X A CN 201110040796XA CN 201110040796 A CN201110040796 A CN 201110040796A CN 102183707 A CN102183707 A CN 102183707A
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Abstract
The invention relates to a grounding safety device, in particular to a high-pressure grounding on-line monitoring warning device. The high-pressure grounding on-line monitoring warning device comprises mutual inductors, a current voltage test module, a signal processing module, a micro controller unit (MCU), a data transmission module, a monitoring center, and the like; the current mutual inductor and the voltage mutual inductor monitor the current and voltage of a ground wire and transmit relevant data to the monitoring center, the data is compared with preset values, whether the current value and voltage value of the ground wire are safe values is determined, and then safety control and warning are performed. The high-pressure grounding on-line monitoring warning device has the advantages that: due to the adoption of a conventional communication network, a grounding false can be transmitted to the monitoring center in real time; the device is low in implementation cost, convenient to operate and easy to popularize, enables a manager to master the running state of the ground wire and guarantees the safe running of high-pressure ground cable.
Description
Technical field
The present invention relates to a kind of safety guard, specifically be meant a kind of on the ground wire of high-tension electricity on-Line Monitor Device.
Technical background
At present a lot of high voltage cable armourings or other all have the installation earthed system, but do not have the fault system of reflection in time, go wrong and want lot of manpower and material resources to go to the scene to measure, so promptly waste time and the wasting manpower and material resources, to the time lengthening of repairing, the economic loss that causes is bigger.
Summary of the invention
The purpose of this invention is to provide a kind of current/voltage ground protection system that can in time find high voltage cable armouring earthing cable problem; early warning just takes place in predefined value and the real-time data current/voltage pass to monitoring center as long as the current/voltage on the armouring ground wire circuit surpasses on the armouring ground wire circuit high-voltage earthing on-line monitoring early warning system being installed; so that in time pinpoint the problems, cause unnecessary loss unavoidably.
High-voltage earthing on-line monitoring early warning system comprises mutual inductor, current/voltage detection module, signal processing circuit, MCU, data transmission module, monitoring center; Current transformer, adopt lead to be connected between voltage transformer (VT) and the current/voltage detection module, the current/voltage detection module, TX between signal processing circuit and the MCU, the RX communication, TX between MCU and the data transmission module, the RX communication, monitoring center is by data server, the GPRS server, client server constitutes, it is to be connected with monitoring center by the Internet or LAN (Local Area Network) with the GPRS/CDMA/3G/RJ45 network of network, monitoring center is connected with client by the Internet or LAN (Local Area Network), this equipment is monitored the variation of cable armouring cable current and induced voltage in real time, the earth fault of discovery ground cable that can be instant.
Current-voltage transformer is installed on the ground wire, the size that detects current/voltage is determined by ground wire, when the situation of change of current/voltage is read by the current/voltage detection module and real-time data transmission carried out processing data information to MCU, as surpassing predefined current/voltage value, MCU becomes to meet the form of data communication agreement to data-switching, TX, RX is passed to data transmission module, be connected with monitoring center by the Internet or LAN (Local Area Network) by data transmission module again, monitoring center is connected with client by the Internet or LAN (Local Area Network), this equipment is monitored the variation of cable armouring cable current and induced voltage in real time, the earth fault of discovery ground cable that can be instant.
Described data transmission module is selected for use by GPRS network, cdma network, 3G network, RJ45 network and is connected communication data transmission, picture or image with monitoring center.
The present invention specifically is achieved by following technical proposals:
A kind of high-voltage earthing on-line monitoring prior-warning device, it comprises mutual inductor, current/voltage detection module, signal processing module, MCU, data transmission module, monitoring center; It is characterized in that:
Mutual inductor comprises current transformer and voltage transformer (VT), is installed on ground wire respectively;
Current transformer, voltage transformer (VT) are connected with the current/voltage detection module respectively;
The current/voltage detection module is connected with signal processing module, and signal processing module is connected with MCU; By TX, RX communication modes transmission signals, transmit data by TX, RX communication modes between MCU and the data transmission module between current/voltage detection module, signal processing module, MCU and data transmission module;
Data transmission module is connected with monitoring center by data transmission network, the line data of going forward side by side transmission; Monitoring center comprises data server, GPRS server, display, input media.
As preferably, the MCU in above-mentioned a kind of high-voltage earthing on-line monitoring prior-warning device is connected with presetting module, numerical value comparison module, the measured numerical value of mutual inductor after transforming in the numerical value comparison module with presetting module in preset value compare.
As preferably, data transmission network is GPRS network, cdma network, 3G network or RJ45 network in above-mentioned a kind of high-voltage earthing on-line monitoring prior-warning device.
As preferably, MCU in above-mentioned a kind of high-voltage earthing on-line monitoring prior-warning device, current/voltage detection module, data transmission module are by sun power, battery, wind energy or the power supply of electric field induction electricity, especially in the open air, can effectively solve power supply and obtain difficult problem.
The present invention is owing to adopt existing communication network, can be real-time earth fault is transferred to monitoring center, implementation cost is low, handled easily, be easy to promote, the ground path operation conditions can be grasped by managerial personnel.
Description of drawings
Fig. 1 on-line monitoring prior-warning device of the present invention structural representation
Embodiment
Below in conjunction with accompanying drawing, enforcement of the present invention is specified:
Embodiment 1
Current transformer as shown in Figure 1; voltage transformer (VT); the current/voltage detection module; MCU; signal processing module is finished the signals collecting to the ground connection protection system jointly; handle; current transformer and voltage transformer (VT) are installed on the ground cable; current transformer and voltage transformer (VT) are gathered electric current and the voltage on this ground wire in real time; the detected data of current/voltage detection module are all passed to MCU; MCU is according to the value comparison that sets in advance; surpass the value of setting and just value is at that time carried out data conversion treatment; convert to and can send to monitoring center by data transmission module and data communication network by the recognition data form, monitoring center receives and sends data by data communication network.
MCU links to each other by TX, RX with the data communication module, and MCU, current/voltage detection module, data transmission module adopt sun power, battery, wind energy, the power supply of electric field induction electricity, can switch each other.
Data transmission module is to send to monitoring center with mode word or data layout by data communication network.
Real-time monitoring current mutual inductor of current/voltage monitoring modular and voltage transformer (VT) are gathered earthing cable; the signal of gathering sends MCU again to; MCU carries out data processing; result surpasses or does not satisfy predefined value, just becomes the code conversion of the position of current/voltage earth leakage protector, temperature, current/voltage, cell voltage, time, current/voltage earth leakage protector text formatting to send to monitoring center by data transmission network.
Client is provided with data or solicited message by monitoring center to data transmission network and data transmission module transmission simultaneously, the data that data transmission module is received are passed to MCU, MCU handles according to the data of receiving, MCU is sent the result who handles by data transmission network by data transmission module to monitoring center.
Data transmission module is selected GSM data communication module, GPRS communication module, CDMA data communication module, wherein a kind of GSM, GPRS, CDMA, 3G data communication network, network communication module RJ45 that adapts with it that select for use of 3G data communication module for use.
Selected current/voltage monitoring modular is gathered the data of current transformer and voltage transformer (VT), or gathers other data of earthing cable.
Lead that the present invention adopts connects, TX, RX communication between current/voltage detection module, signal processing module and the MCU, circuit links to each other between MCU and the data transmission module, monitoring center is made of data server, GPRS server, client server and client, it is to be connected with monitoring center by the Internet or LAN (Local Area Network) with the GPRS/CDMA/3G/RJ45 network, monitoring center is connected with client by the Internet or LAN (Local Area Network), and this equipment is monitored the induction current of the above armouring of 35KV on the body cable and the variation of induced voltage in real time.
Claims (4)
1. high-voltage earthing on-line monitoring prior-warning device, it comprises mutual inductor, current/voltage detection module, signal processing module, MCU, data transmission module, monitoring center; It is characterized in that:
Mutual inductor comprises current transformer and voltage transformer (VT), is installed on ground wire respectively;
Current transformer, voltage transformer (VT) are connected with the current/voltage detection module respectively;
The current/voltage detection module is connected with signal processing module, and signal processing module is connected with MCU; By TX, RX communication modes transmission signals, transmit data by TX, RX communication modes between MCU and the data transmission module between current/voltage detection module, signal processing module, MCU and data transmission module;
Data transmission module is connected with monitoring center by data transmission network, the line data of going forward side by side transmission; Monitoring center comprises data server, GPRS server, display, input media.
2. a kind of high-voltage earthing on-line monitoring prior-warning device according to claim 1, it is characterized in that: described MCU is connected with presetting module, numerical value comparison module, the measured numerical value of mutual inductor after transforming in the numerical value comparison module with presetting module in preset value compare.
3. a kind of high-voltage earthing on-line monitoring prior-warning device according to claim 1 is characterized in that: described data transmission network is GPRS network, cdma network, 3G network or RJ45 network.
4. a kind of high-voltage earthing on-line monitoring prior-warning device according to claim 1 is characterized in that: described MCU, current/voltage detection module, data transmission module are by sun power, battery, wind energy or the power supply of electric field induction electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110040796XA CN102183707A (en) | 2011-02-21 | 2011-02-21 | High-pressure grounding on-line monitoring warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110040796XA CN102183707A (en) | 2011-02-21 | 2011-02-21 | High-pressure grounding on-line monitoring warning device |
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| CN102183707A true CN102183707A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110040796XA Pending CN102183707A (en) | 2011-02-21 | 2011-02-21 | High-pressure grounding on-line monitoring warning device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336221A (en) * | 2013-05-31 | 2013-10-02 | 国家电网公司 | Power cable fault detection system |
| CN103389437A (en) * | 2013-07-31 | 2013-11-13 | 国家电网公司 | Device and method for monitoring shielding current of secondary control cable of transformer substation in real time |
| CN104330704A (en) * | 2014-11-13 | 2015-02-04 | 上海萌烨电力科技有限公司 | Transmission and distribution power grid fault positioning system |
| CN105223473A (en) * | 2015-11-07 | 2016-01-06 | 国网山东平度市供电公司 | A kind of stage high-tension circuit trouble hunting device |
| CN108318731A (en) * | 2018-01-26 | 2018-07-24 | 吉林市盈冲科技有限公司 | Boosting cable, lateral connection line current on-Line Monitor Device |
| CN110211320A (en) * | 2019-06-13 | 2019-09-06 | 国网福建省电力有限公司电力科学研究院 | High-tension cable ground line anti-theft device and method based on induced voltage principle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1193322A (en) * | 1982-05-21 | 1985-09-10 | John R. Sherwood | Ground conductor monitoring system |
| CN1419219A (en) * | 2002-11-15 | 2003-05-21 | 西安三和新技术实业有限公司 | Long distance theft-proof alarm system for transformer |
| CN1920891A (en) * | 2006-08-23 | 2007-02-28 | 景兴发 | Multifunctional intelligent environmental protection power transformer online antitheft alarm system |
| CN101447114A (en) * | 2008-12-17 | 2009-06-03 | 浙江天地人科技有限公司 | Monitoring anti-theft tracker for power supply transformer |
| CN101639498A (en) * | 2009-08-31 | 2010-02-03 | 孙映金 | High-voltage grounding on-line monitor |
-
2011
- 2011-02-21 CN CN201110040796XA patent/CN102183707A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1193322A (en) * | 1982-05-21 | 1985-09-10 | John R. Sherwood | Ground conductor monitoring system |
| CN1419219A (en) * | 2002-11-15 | 2003-05-21 | 西安三和新技术实业有限公司 | Long distance theft-proof alarm system for transformer |
| CN1920891A (en) * | 2006-08-23 | 2007-02-28 | 景兴发 | Multifunctional intelligent environmental protection power transformer online antitheft alarm system |
| CN101447114A (en) * | 2008-12-17 | 2009-06-03 | 浙江天地人科技有限公司 | Monitoring anti-theft tracker for power supply transformer |
| CN101639498A (en) * | 2009-08-31 | 2010-02-03 | 孙映金 | High-voltage grounding on-line monitor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103336221A (en) * | 2013-05-31 | 2013-10-02 | 国家电网公司 | Power cable fault detection system |
| CN103389437A (en) * | 2013-07-31 | 2013-11-13 | 国家电网公司 | Device and method for monitoring shielding current of secondary control cable of transformer substation in real time |
| CN104330704A (en) * | 2014-11-13 | 2015-02-04 | 上海萌烨电力科技有限公司 | Transmission and distribution power grid fault positioning system |
| CN104330704B (en) * | 2014-11-13 | 2017-02-22 | 上海萌烨电力科技有限公司 | Transmission and distribution power grid fault positioning system |
| CN105223473A (en) * | 2015-11-07 | 2016-01-06 | 国网山东平度市供电公司 | A kind of stage high-tension circuit trouble hunting device |
| CN108318731A (en) * | 2018-01-26 | 2018-07-24 | 吉林市盈冲科技有限公司 | Boosting cable, lateral connection line current on-Line Monitor Device |
| CN110211320A (en) * | 2019-06-13 | 2019-09-06 | 国网福建省电力有限公司电力科学研究院 | High-tension cable ground line anti-theft device and method based on induced voltage principle |
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Application publication date: 20110914 |