CN204168004U - A kind of power grid security risk monitoring and control system - Google Patents

A kind of power grid security risk monitoring and control system Download PDF

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Publication number
CN204168004U
CN204168004U CN201420611087.1U CN201420611087U CN204168004U CN 204168004 U CN204168004 U CN 204168004U CN 201420611087 U CN201420611087 U CN 201420611087U CN 204168004 U CN204168004 U CN 204168004U
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China
Prior art keywords
control
circuit
power grid
monitoring
security risk
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CN201420611087.1U
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Chinese (zh)
Inventor
王凤萍
郭殿奎
王春龙
马毅
何明宇
李浙湘
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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State Grid Corp of China SGCC
Taiyuan Power Supply Co of State Grid Shanxi Electric Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The utility model provides a kind of power grid security risk monitoring and control system, comprises the watch-dog and remote control service device that lay respectively at each control point; Described remote control service device and watch-dog wireless connections described in each; Watch-dog described in each comprises power grid voltage detection circuit, power network current testing circuit, video acquisition device, positioner, meteorological data collection device and monitor terminal RTU.Advantage is: (1) carries out overall monitor to the grid condition of monitoring point comprehensively, obtains multiple Monitoring Data; (2) comprehensive employing wind power generation and solar powered mode, when ensureing that supervisory control system normally works, having saved energy consumption, and not needed frequently to change battery, having decreased the workload of staff; (3) adopt multiple safety prevention measure, such as, lightning rod is installed, casing adopts anti-electromagnetic-radiation material etc., thus improve the functional reliability of supervisory control system.

Description

A kind of power grid security risk monitoring and control system
Technical field
The utility model belongs to grid monitoring techniques field, is specifically related to a kind of power grid security risk monitoring and control system.
Background technology
Along with China's rapid development of economy, the development of electric power safety has entered into a new developing stage, and the reliability requirement of modern society to supply of electric power is more and more higher, monitors electrical network comprehensively, obtaining comprehensive power network monitoring data, is the basis of electric power system being carried out to safe early warning etc.
But in prior art, grid monitoring system only monitors the voltage and current of electrical network usually, has the problem of monitoring limitednumber.
Utility model content
For the defect that prior art exists, the utility model provides a kind of power grid security risk monitoring and control system, overall monitor can be carried out to the grid condition of monitoring point, thus be that the analyses such as power grid security risk monitoring and control provide comprehensive Monitoring Data, be conducive to the potential safety hazard of Timeliness coverage electrical network.
The technical solution adopted in the utility model is as follows:
The utility model provides a kind of power grid security risk monitoring and control system, comprises the watch-dog and remote control service device that lay respectively at each control point; Described remote control service device and watch-dog wireless connections described in each;
Watch-dog described in each comprises power grid voltage detection circuit, power network current testing circuit, video acquisition device, positioner, meteorological data collection device and monitor terminal RTU; Wherein, described monitor terminal RTU comprises monitoring box and is positioned at the signal conditioning circuit of described monitoring box inside, analog to digital conversion circuit, data acquisition unit, power supply interface, radio communication circuit and audible-visual annunciator; Described power grid voltage detection circuit and described power network current testing circuit are all connected to the input of described signal conditioning circuit, and the output of described signal conditioning circuit is connected to the input of described data acquisition unit by analog-digital conversion circuit as described; Described data acquisition unit is also electrically connected with described positioner, described meteorological data collection device, described power supply interface, described radio communication circuit and described audible-visual annunciator respectively.
Preferably, described remote control service device is connected by GSM, WCDMA, CDMA or GPRS with watch-dog described in each.
Preferably, described power grid voltage detection circuit is line voltage zero-detection circuit; And/or described power network current testing circuit is current transformer; And/or described video acquisition device is high-definition camera; And/or described positioner is GPS locator or big-dipper satellite locator.
Preferably, described meteorological data collection device comprises one or more in wind speed pick-up transducers, wind direction pick-up transducers, temperature acquisition transducer, humidity collection transducer, atmospheric pressure pick-up transducers, solar radiation pick-up transducers, rain collection transducer and visibility pick-up transducers.
Preferably, described monitoring box is anti-electromagnetic-radiation anti-vibration rainproof box.
Preferably, in the box top of described monitoring box, lightning arrester is installed.
Preferably, in described monitoring box inside, energy storage device and control circuit are also installed; In described monitoring box outside, solar panel and wind power generation plant are installed; The output of described solar panel and the output of described wind power generation plant are all connected to one end of described control circuit, and the other end of described control circuit is connected with described energy storage device and described data acquisition unit respectively.
Preferably, described control circuit comprises: electric energy detection electronic circuit, processor, the first switch, second switch and the 3rd switch; Wherein, described processor is electrically connected with described energy storage device by the first supplying channels, and described first supplying channels is installed described first switch and described electric energy detection electronic circuit; Described processor is electrically connected with described solar panel by the second supplying channels, and described second supplying channels installs described second switch; Described processor is electrically connected with described wind power generation plant by the 3rd supplying channels, and described 3rd supplying channels installs described 3rd switch; Described processor is electrically connected with described data acquisition unit by the 4th supplying channels.
The power grid security risk monitoring and control system that the utility model provides has the following advantages:
(1) overall monitor is carried out to the grid condition of monitoring point comprehensively, obtain multiple Monitoring Data;
(2) comprehensive employing wind power generation and solar powered mode, when ensureing that supervisory control system normally works, having saved energy consumption, and not needed frequently to change battery, having decreased the workload of staff;
(3) adopt multiple safety prevention measure, such as, lightning rod is installed, casing adopts anti-electromagnetic-radiation material etc., thus improve the functional reliability of supervisory control system.
Accompanying drawing explanation
The structural representation of the power grid security risk monitoring and control system that Fig. 1 provides for the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail:
Composition graphs 1, the utility model provides a kind of power grid security risk monitoring and control system, comprises the watch-dog and remote control service device that lay respectively at each control point; Described remote control service device and watch-dog wireless connections described in each; Such as, GSM, WCDMA, CDMA or GPRS communication is adopted.
Watch-dog described in each comprises power grid voltage detection circuit, power network current testing circuit, video acquisition device, positioner, meteorological data collection device and monitor terminal RTU; As the concrete example of one, power grid voltage detection circuit is line voltage zero-detection circuit, for detection of grid magnitude of voltage; Described power network current testing circuit is current transformer, for detection of grid current value; Described video acquisition device is high-definition camera, by the direction of rotation of long-range adjustment camera, can gather the environmental information around monitored electrical network, and such as, whether someone destroys electrical network etc.; Also directly can gather the impact of monitored electrical network, facilitate the outside breakage of Timeliness coverage electrical network.In addition, video acquisition device comprehensively can adopt infrared camera, ultraviolet camera and visible image capturing head, according to intrinsic brilliance situation etc., start corresponding camera, in addition, video acquisition device carries light filling function, camera lens anti-fog function etc., thus ensures under various meteorological condition, round-the-clockly continually to monitor electrical network.Described positioner is GPS locator or big-dipper satellite locator, for obtaining the geographical location information of monitored electrical network.
Meteorological data collection device comprises one or more in wind speed pick-up transducers, wind direction pick-up transducers, temperature acquisition transducer, humidity collection transducer, atmospheric pressure pick-up transducers, solar radiation pick-up transducers, rain collection transducer and visibility pick-up transducers.By installing meteorological data collection device additional, gather the weather information of monitored electrical network place environment comprehensively.When subsequent analysis, according to the feature of electrical network place environment, the electrical network of corresponding types can being installed targetedly, such as, if certain position wind speed is excessive, then, when installing electrical network, need additionally taking windproof reinforcement measure; Thus extend electrical network useful life.
Described monitor terminal RTU comprises monitoring box and is positioned at the signal conditioning circuit of described monitoring box inside, analog to digital conversion circuit, data acquisition unit, power supply interface, radio communication circuit and audible-visual annunciator; Wherein, monitoring box is anti-electromagnetic-radiation anti-vibration rainproof box.In the box top of described monitoring box, lightning arrester is installed.
Described power grid voltage detection circuit and described power network current testing circuit are all connected to the input of described signal conditioning circuit, and the output of described signal conditioning circuit is connected to the input of described data acquisition unit by analog-digital conversion circuit as described; Described data acquisition unit is also electrically connected with described positioner, described meteorological data collection device, described power supply interface, described radio communication circuit and described audible-visual annunciator respectively.
In addition, in described monitoring box inside, energy storage device and control circuit are also installed; In described monitoring box outside, solar panel and wind power generation plant are installed; The output of described solar panel and the output of described wind power generation plant are all connected to one end of described control circuit, and the other end of described control circuit is connected with described energy storage device and described data acquisition unit respectively.Described control circuit comprises: electric energy detection electronic circuit, processor, the first switch, second switch and the 3rd switch; Wherein, described processor is electrically connected with described energy storage device by the first supplying channels, and described first supplying channels is installed described first switch and described electric energy detection electronic circuit; Described processor is electrically connected with described solar panel by the second supplying channels, and described second supplying channels installs described second switch; Described processor is electrically connected with described wind power generation plant by the 3rd supplying channels, and described 3rd supplying channels installs described 3rd switch; Described processor is electrically connected with described data acquisition unit by the 4th supplying channels.Its operation principle is: if solar energy or wind energy electricity can be sufficient, then solar energy or wind energy electricity can be transferred to controller, then, if the energy value of the energy storage device that electric energy detection electronic circuit collects is too low, then: solar energy or wind energy electricity can be powered to data acquisition unit on the one hand, on the other hand, remaining solar energy or wind energy electricity can be stored in energy storage device.If solar energy or wind energy electricity can be inadequate, be difficult to maintain data acquisition unit institute subfam. Spiraeoideae, then use the electric energy stored by energy storage device to power to data acquisition unit.
The power grid security risk monitoring and control system that the utility model provides has the following advantages:
(1) overall monitor is carried out to the grid condition of monitoring point comprehensively, obtain multiple Monitoring Data;
(2) comprehensive employing wind power generation and solar powered mode, when ensureing that supervisory control system normally works, having saved energy consumption, and not needed frequently to change battery, having decreased the workload of staff;
(3) adopt multiple safety prevention measure, such as, lightning rod is installed, casing adopts anti-electromagnetic-radiation material etc., thus improve the functional reliability of supervisory control system.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should look protection range of the present utility model.

Claims (8)

1. a power grid security risk monitoring and control system, is characterized in that, comprises the watch-dog and remote control service device that lay respectively at each control point; Described remote control service device and watch-dog wireless connections described in each;
Watch-dog described in each comprises power grid voltage detection circuit, power network current testing circuit, video acquisition device, positioner, meteorological data collection device and monitor terminal RTU; Wherein, described monitor terminal RTU comprises monitoring box and is positioned at the signal conditioning circuit of described monitoring box inside, analog to digital conversion circuit, data acquisition unit, power supply interface, radio communication circuit and audible-visual annunciator; Described power grid voltage detection circuit and described power network current testing circuit are all connected to the input of described signal conditioning circuit, and the output of described signal conditioning circuit is connected to the input of described data acquisition unit by analog-digital conversion circuit as described; Described data acquisition unit is also electrically connected with described positioner, described meteorological data collection device, described power supply interface, described radio communication circuit and described audible-visual annunciator respectively.
2. power grid security risk monitoring and control system according to claim 1, is characterized in that, described remote control service device is connected by GSM, WCDMA, CDMA or GPRS with watch-dog described in each.
3. power grid security risk monitoring and control system according to claim 1, is characterized in that, described power grid voltage detection circuit is line voltage zero-detection circuit; And/or described power network current testing circuit is current transformer; And/or described video acquisition device is high-definition camera; And/or described positioner is GPS locator or big-dipper satellite locator.
4. power grid security risk monitoring and control system according to claim 1, it is characterized in that, described meteorological data collection device comprises one or more in wind speed pick-up transducers, wind direction pick-up transducers, temperature acquisition transducer, humidity collection transducer, atmospheric pressure pick-up transducers, solar radiation pick-up transducers, rain collection transducer and visibility pick-up transducers.
5. power grid security risk monitoring and control system according to claim 1, is characterized in that, described monitoring box is anti-electromagnetic-radiation anti-vibration rainproof box.
6. power grid security risk monitoring and control system according to claim 1, is characterized in that, be provided with lightning arrester in the box top of described monitoring box.
7. power grid security risk monitoring and control system according to claim 1, is characterized in that, is also provided with energy storage device and control circuit in described monitoring box inside; In described monitoring box outside, solar panel and wind power generation plant are installed; The output of described solar panel and the output of described wind power generation plant are all connected to one end of described control circuit, and the other end of described control circuit is connected with described energy storage device and described data acquisition unit respectively.
8. power grid security risk monitoring and control system according to claim 7, it is characterized in that, described control circuit comprises: electric energy detection electronic circuit, processor, the first switch, second switch and the 3rd switch; Wherein, described processor is electrically connected with described energy storage device by the first supplying channels, and described first supplying channels is installed described first switch and described electric energy detection electronic circuit; Described processor is electrically connected with described solar panel by the second supplying channels, and described second supplying channels installs described second switch; Described processor is electrically connected with described wind power generation plant by the 3rd supplying channels, and described 3rd supplying channels installs described 3rd switch; Described processor is electrically connected with described data acquisition unit by the 4th supplying channels.
CN201420611087.1U 2014-10-21 2014-10-21 A kind of power grid security risk monitoring and control system Active CN204168004U (en)

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CN201420611087.1U CN204168004U (en) 2014-10-21 2014-10-21 A kind of power grid security risk monitoring and control system

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842581A (en) * 2016-03-23 2016-08-10 国网山东省电力公司章丘市供电公司 Method and system for pre-warning power distribution network fault
CN110597138A (en) * 2019-09-25 2019-12-20 清远市昭元电力科技有限公司 Automatic energy-saving control system for electrical engineering

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105842581A (en) * 2016-03-23 2016-08-10 国网山东省电力公司章丘市供电公司 Method and system for pre-warning power distribution network fault
CN105842581B (en) * 2016-03-23 2019-05-03 国网山东省电力公司章丘市供电公司 A kind of distribution network failure method for early warning and system
CN110597138A (en) * 2019-09-25 2019-12-20 清远市昭元电力科技有限公司 Automatic energy-saving control system for electrical engineering

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