CN105656199A - Automatic and dynamic monitoring type digital connection and transmission line - Google Patents
Automatic and dynamic monitoring type digital connection and transmission line Download PDFInfo
- Publication number
- CN105656199A CN105656199A CN201610006098.0A CN201610006098A CN105656199A CN 105656199 A CN105656199 A CN 105656199A CN 201610006098 A CN201610006098 A CN 201610006098A CN 105656199 A CN105656199 A CN 105656199A
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- delay time
- normally opened
- opened contact
- relay
- circuit
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- H02J13/0075—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/126—Systems 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 invention discloses an automatic and dynamic monitoring type digital connection and transmission line, which comprises a first ground wire, a second ground wire, a third ground wire and a main control device. The main control device comprises a current sensor, a signal processing circuit, a control chip, a communication circuit, a gating circuit and a display. The current sensor outputs a detection signal. The signal processing circuit amplifies the detection signal, conducts the analog-to-digital conversion on the detection signal and then outputs a normal data signal. The control chip receives the normal data signal and then generates real-time current data. The far end of the communication circuit transmits the real-time current data outputted by the control chip to a controller. The controller digitally displays the real-time current data according to the real-time current data and then identifies a working fault according to the real-time current data. The gating circuit controls a first circuit switch, a second circuit switch and a third circuit switch to be sequentially cut off only after the controller identifies the working fault. The display receives the real-time current data outputted by the control chip and then digitally displays the real-time current data.
Description
Technical field
The present invention relates to technical field of electric power, connect power transmission line particularly to a kind of automatic dynamic monitoring is digital.
Background technology
For super extra-high voltage double back, many times cross-arms or with corridor a plurality of circuit distance parallel laying circuit; and super the less circuit in high-tension line scissors crossing point the air gap; when certain stoppage in transit circuit overhauls wherein; because electromagnetic induction phenomenon stoppage in transit circuit can exist bigger induced voltage and faradic current; arcing electric discharge is there will be during mounting connection electric transmission line; to connection electric transmission line, cause and burn.
It addition, when high voltage device of transformer station interruption maintenance, commonly used connection electric transmission line prevents from being sent a telegram here suddenly by repair apparatus or faradism causes accident of human electric shock. But, due to human error's factor, it is susceptible to again band connection electric transmission line combined floodgate accident, how effective anti-leukorrhagia stopping connection electric transmission line combined floodgate accident, is a power industry unsolved safe practice difficult problem for a long time.
Summary of the invention
It is an object of the invention to overcome or slow down the part at least the above shortcoming, the monitoring of a kind of automatic dynamic of offer is digital hereby connects power transmission line, comprising:
First earth lead, is provided with first line switch;
Second earth lead, is provided with the second line switching;
3rd earth lead, is provided with tertiary circuit switch;
Master control set, there is two inputs and an outfan, the input of two described master control sets is connected with cross-arm respectively through the second earth lead and the 3rd earth lead, the outfan of described master control set is connected with ground wire by the first earth lead, and described first line switch or the second line switching are crowbar switch;
Described master control set includes current sensor, signal processing circuit, control chip, communicating circuit, gating circuit and display;
Described current sensor detects the electric current in described first earth lead or the second earth lead or the 3rd earth lead, with output detections signal;
Described detection signal is amplified by described signal processing circuit, analog digital conversion, with outputting standard data signal;
Described control chip receives described normal data signals, generates real-time current data;
Described communicating circuit far-end transmits the real-time current data of described control chip output to controller;
Described controller is according to described real-time current data digital display real-time current numerical value, and according to described real-time current data identification job failure;
Described gating circuit, only after described controller identification job failure, controls described first line switch, the second line switching and tertiary circuit switch and cuts off in order;
Described display number receives the real-time current data digital display real-time current numerical value of described control chip output.
Preferably, described signal processing circuit includes amplifier and analog-digital converter, and described detection signal is amplified by described amplifier, and the detection signal after amplifying is carried out analog digital conversion by described analog-digital converter, to export digital detection signal, described digital detection signal exports to control chip.
Preferably, described control chip selects single-chip microcomputer, and described communicating circuit selects GPRS module, and described single-chip microcomputer is by interface circuit and GPRS module communication.
Preferably, described first line switch is the first relay, and described second line switching is low-vacuum load-tripping device, and described tertiary circuit switch is the second relay;
Described gating circuit includes numeral start-up circuit and high-voltage starting circuit;
Described numeral start-up circuit includes switch element, and the control pole of described switch element is connected with control chip, the one end of described switch element the coil ground connection by auxiliary reclay, and the other end is connected to power supply;
Described high-voltage starting circuit includes the first on-delay time relay, the second on-delay time relay, 3rd energising time delay relay, the first power cut off delay time relay, the second power cut off delay time relay, the 3rd power cut off delay time relay, normally opened contact one end of described auxiliary reclay is connected with unit, the other end is respectively through the coil ground connection of the first relay and the first energization delay relay, the normally opened contact of described auxiliary reclay is parallel with the normally opened contact of the described first power cut off delay time relay, the normally opened contact of the described first on-delay time relay is respectively through the coil ground connection of low-vacuum load-tripping device and the second on-delay time relay, the normally opened contact of the described first on-delay time relay is parallel with the normally opened contact of the described second power cut off delay time relay, the normally opened contact of the described second on-delay time relay is respectively through the coil ground connection of the second relay and the 3rd energising time delay relay, the normally opened contact of the described second on-delay time relay is parallel with the normally opened contact of the described 3rd power cut off delay time relay, coil one end of the described first power cut off delay time relay is connected with power supply by the normally opened contact of the first on-delay time relay and the normally opened contact of described auxiliary reclay, other end ground connection, coil one end of the described second power cut off delay time relay is connected with power supply by the normally opened contact of the second on-delay time relay and the normally opened contact of described auxiliary reclay, other end ground connection, coil one end of the described 3rd power cut off delay time relay is connected with power supply by the normally opened contact of the 3rd energising time delay relay and the normally opened contact of described auxiliary reclay, other end ground connection.
The present invention is by master control set cut-offfing first line switch, the second line switching and tertiary circuit switch, it is achieved remotely control the connection of cross-arm and transmission line of electricity;Meanwhile, it is capable to make exterior terminal distally monitor the electric current in earth lead in real time, it is prevented that the generation of the fault such as transfinite.
Accompanying drawing explanation
Being described more fully these and other aspects of the invention now with reference to appended accompanying drawing, it show currently preferred embodiment of the invention. Wherein:
Fig. 1 is the structure chart of the present embodiment;
Fig. 2 is the circuit theory diagrams of master control set;
Fig. 3 is the circuit structure diagram of numeral start-up circuit;
Fig. 4 is the automatically controlled figure of high-voltage starting circuit.
In figure: 1, the first earth lead; 2, the second earth lead; 3, the 3rd earth lead; 4, master control set.
Detailed description of the invention
Below in conjunction with accompanying drawing and instantiation, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention, after having read the present invention, the amendment of the various equivalent form of values of the present invention is all fallen within the application claims limited range by those skilled in the art.
As it is shown in figure 1, a kind of automatic dynamic monitoring is digital connects power transmission line, comprising:
First earth lead 1, is provided with first line switch; Second earth lead 2, is provided with the second line switching; 3rd earth lead 3, is provided with tertiary circuit switch; Master control set 4, there is two inputs and an outfan, the input of two master control sets 4 is connected with cross-arm respectively through the second earth lead 2 and the 3rd earth lead 3, the outfan of master control set 4 is connected with ground wire by the first earth lead 1, and first line switch or the second line switching are crowbar switch.
As in figure 2 it is shown, master control set 4 includes current sensor, signal processing circuit, control chip, communicating circuit, gating circuit and display;
The current sensor of the present embodiment detects the electric current in the first earth lead 1, with output detections signal;
The signal processing circuit of the present embodiment includes amplifier and analog-digital converter, detection signal is amplified by amplifier, detection signal after amplifying is carried out analog digital conversion by analog-digital converter, and using output as the digital detection signal of normal data signals, digital detection signal exports to control chip.
The control chip of the present embodiment selects single-chip microcomputer, single-chip microcomputer real-time reception digital detection signal, generates corresponding real-time current data. Display number receives the real-time current data digital display real-time current numerical value of single-chip microcomputer output.
Meanwhile, the communicating circuit of the present embodiment selects GPRS module, and single-chip microcomputer is by interface circuit and GPRS module communication, in order to real-time current data are wirelessly transmitted to controller. The present embodiment as the controller of exterior terminal according to real-time current data digital display real-time current numerical value, and according to real-time current data identification job failure;
The controller of the present embodiment is after identifying job failure, controller produces control signal, and by GPRS module communication to single-chip microcomputer, single-chip microcomputer controls first line switch, the second line switching and tertiary circuit switch according to control signal and opens by the order preset or cut off, and making can secure attachment or disconnection between cross-arm and transmission line of electricity.
Specifically as shown in Figure 3 and Figure 4, the gating circuit of the present embodiment includes numeral start-up circuit and high-voltage starting circuit.
As it is shown on figure 3, the control pole that numeral start-up circuit includes audion Q1, audion Q1 is connected with control chip, the one end of the audion Q1 coil ground connection by auxiliary reclay KM1, the other end is connected to power supply;
As shown in Figure 4, the first line switch of the present embodiment is the first low-vacuum load-tripping device K1, and described second line switching is the second low-vacuum load-tripping device K2, and described tertiary circuit switch is the 3rd low-vacuum load-tripping device K3;
High-voltage starting circuit includes the first on-delay time relay KT1, second on-delay time relay KT2, 3rd energising time delay relay KT3, first power cut off delay time relay KA1, second power cut off delay time relay KA2, 3rd power cut off delay time relay KA3, normally opened contact one end of auxiliary reclay KM1 is connected with unit, the other end is respectively through the coil ground connection of the first low-vacuum load-tripping device K1 and the first energization delay relay, the normally opened contact of auxiliary reclay KM1 is parallel with the normally opened contact of the first power cut off delay time relay KA1, the normally opened contact of the first on-delay time relay KT1 is respectively through the coil ground connection of the second low-vacuum load-tripping device K2 and the second on-delay time relay KT2, the normally opened contact of the first on-delay time relay KT1 is parallel with the normally opened contact of the second power cut off delay time relay KA2, the normally opened contact of the second on-delay time relay KT2 is respectively through the coil ground connection of the 3rd low-vacuum load-tripping device K3 and the three energising time delay relay, the normally opened contact of the second on-delay time relay KT2 is parallel with the normally opened contact of the 3rd power cut off delay time relay KA3, coil one end of first power cut off delay time relay KA1 is connected with power supply by the normally opened contact of the first on-delay time relay KT1 and the normally opened contact of auxiliary reclay KM1, other end ground connection, coil one end of second power cut off delay time relay KA2 is connected with power supply by the normally opened contact of the second on-delay time relay KT2 and the normally opened contact of auxiliary reclay KM1, other end ground connection, coil one end of 3rd power cut off delay time relay KA3 is connected with power supply by the normally opened contact of the 3rd energising time delay relay KT3 and the normally opened contact of auxiliary reclay KM1, other end ground connection.
Designing in conjunction with said structure, the operation principle of the present embodiment is as follows:
When needs make transmission line of electricity be connected with cross-arm, single-chip microcomputer output high level, audion Q1 turns on, and makes the coil electricity of KM1; The normally opened contact Guan Bi of KM1, the coil of K1, KT1 is all energized, the normally opened contact Guan Bi of KA1; After preset security time T1, the normally opened contact Guan Bi of KT1, the coil of K2, KT2 is all energized; After preset security time T2, the normally opened contact Guan Bi of KT2, the coil of K3 and KT3 is all energized. Meanwhile, when the normally opened contact of KM1 closes, when preset time T 1, the coil electricity of KA1; During preset time T 2, the coil electricity of KA2; During preset time T 3. The coil electricity of KA3,
When needs make transmission line of electricity disconnect with cross-arm, single product machine output low level, audion Q1 turns off, and makes the coil blackout of KM1; The normally opened contact of KM1 disconnects, and KA1, KA2, KA3 disconnect respectively at preset timed intervals, and concrete time KA3 more than KA1, then makes K3 first disconnect more than KA2, K2 disconnects again, K1 finally disconnects, it is achieved the connection between safety cut-off transmission line of electricity and cross-arm.
The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (4)
1. automatic dynamic monitoring is digital connects power transmission line, it is characterised in that including:
First earth lead, is provided with first line switch;
Second earth lead, is provided with the second line switching;
3rd earth lead, is provided with tertiary circuit switch;
Master control set, there is two inputs and an outfan, the input of two described master control sets is connected with cross-arm respectively through the second earth lead and the 3rd earth lead, the outfan of described master control set is connected with ground wire by the first earth lead, and described first line switch or the second line switching are crowbar switch;
Described master control set includes current sensor, signal processing circuit, control chip, communicating circuit, gating circuit and display;
Described current sensor detects the electric current in described first earth lead or the second earth lead or the 3rd earth lead, with output detections signal;
Described detection signal is amplified by described signal processing circuit, analog digital conversion, with outputting standard data signal;
Described control chip receives described normal data signals, generates real-time current data;
Described communicating circuit far-end transmits the real-time current data of described control chip output to controller;
Described controller is according to described real-time current data digital display real-time current numerical value, and according to described real-time current data identification job failure;
Described gating circuit, only after described controller identification job failure, controls described first line switch, the second line switching and tertiary circuit switch and cuts off in order;
Described display number receives the real-time current data digital display real-time current numerical value of described control chip output.
2. automatic dynamic according to claim 1 monitoring is digital connects power transmission line, it is characterised in that
Described signal processing circuit includes amplifier and analog-digital converter, described detection signal is amplified by described amplifier, detection signal after amplifying is carried out analog digital conversion by described analog-digital converter, and to export digital detection signal, described digital detection signal exports to control chip.
3. automatic dynamic according to claim 1 monitoring is digital connects power transmission line, it is characterised in that
Described control chip selects single-chip microcomputer, and described communicating circuit selects GPRS module, and described single-chip microcomputer is by interface circuit and GPRS module communication.
4. automatic dynamic according to claim 1 monitoring is digital connects power transmission line, it is characterised in that
Described first line switch is the first relay, and described second line switching is low-vacuum load-tripping device, and described tertiary circuit switch is the second relay;
Described gating circuit includes numeral start-up circuit and high-voltage starting circuit;
Described numeral start-up circuit includes switch element, and the control pole of described switch element is connected with control chip, the one end of described switch element the coil ground connection by auxiliary reclay, and the other end is connected to power supply;
Described high-voltage starting circuit includes the first on-delay time relay, the second on-delay time relay, 3rd energising time delay relay, the first power cut off delay time relay, the second power cut off delay time relay, the 3rd power cut off delay time relay, normally opened contact one end of described auxiliary reclay is connected with unit, the other end is respectively through the coil ground connection of the first relay and the first energization delay relay, the normally opened contact of described auxiliary reclay is parallel with the normally opened contact of the described first power cut off delay time relay, the normally opened contact of the described first on-delay time relay is respectively through the coil ground connection of low-vacuum load-tripping device and the second on-delay time relay, the normally opened contact of the described first on-delay time relay is parallel with the normally opened contact of the described second power cut off delay time relay, the normally opened contact of the described second on-delay time relay is respectively through the coil ground connection of the second relay and the 3rd energising time delay relay, the normally opened contact of the described second on-delay time relay is parallel with the normally opened contact of the described 3rd power cut off delay time relay, coil one end of the described first power cut off delay time relay is connected with power supply by the normally opened contact of the first on-delay time relay and the normally opened contact of described auxiliary reclay, other end ground connection, coil one end of the described second power cut off delay time relay is connected with power supply by the normally opened contact of the second on-delay time relay and the normally opened contact of described auxiliary reclay, other end ground connection, coil one end of the described 3rd power cut off delay time relay is connected with power supply by the normally opened contact of the 3rd energising time delay relay and the normally opened contact of described auxiliary reclay, other end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006098.0A CN105656199B (en) | 2016-01-07 | 2016-01-07 | Automatic dynamic monitoring is digital to connect power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006098.0A CN105656199B (en) | 2016-01-07 | 2016-01-07 | Automatic dynamic monitoring is digital to connect power transmission line |
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| Publication Number | Publication Date |
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| CN105656199A true CN105656199A (en) | 2016-06-08 |
| CN105656199B CN105656199B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610006098.0A Active CN105656199B (en) | 2016-01-07 | 2016-01-07 | Automatic dynamic monitoring is digital to connect power transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107831701A (en) * | 2017-11-17 | 2018-03-23 | 广西电网有限责任公司防城港供电局 | A kind of positioning of lightning fault and identifying system |
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| CN104505823A (en) * | 2014-12-02 | 2015-04-08 | 国家电网公司 | Method for power maintenance through transient power stop and transient stop selective reclosing circuit |
| US20150137620A1 (en) * | 2012-08-27 | 2015-05-21 | Beijing Sifang Automation Co., Ltd. | Anti-interference switch signal transmission circuit |
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2016
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| US20150137620A1 (en) * | 2012-08-27 | 2015-05-21 | Beijing Sifang Automation Co., Ltd. | Anti-interference switch signal transmission circuit |
| CN202748400U (en) * | 2012-08-30 | 2013-02-20 | 山东电力集团公司济南供电公司 | Earth current monitoring device for power transmission cable terminal oversheath |
| CN202975125U (en) * | 2012-11-19 | 2013-06-05 | 廊坊霸州供电有限公司 | Auxiliary electricity testing device for grounding |
| CN203535151U (en) * | 2013-06-28 | 2014-04-09 | 河南省电力公司驻马店供电公司 | Grounding display device for 10-35 kV electric power circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107831701A (en) * | 2017-11-17 | 2018-03-23 | 广西电网有限责任公司防城港供电局 | A kind of positioning of lightning fault and identifying system |
| CN107831701B (en) * | 2017-11-17 | 2020-05-05 | 广西电网有限责任公司防城港供电局 | Lightning stroke fault positioning and identifying system |
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| Publication number | Publication date |
|---|---|
| CN105656199B (en) | 2018-03-30 |
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Denomination of invention: Automatic and dynamic monitoring type digital connection and transmission line Effective date of registration: 20180625 Granted publication date: 20180330 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: WUHAN LEAD ELECTRIC POWER TECHNOLOGY CO., LTD. Registration number: 2018420000028 |
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Denomination of invention: Automatic and dynamic monitoring type digital connection and transmission line Effective date of registration: 20190128 Granted publication date: 20180330 Pledgee: Wuhan rural commercial bank Limited by Share Ltd Optics Valley branch Pledgor: WUHAN LEAD ELECTRIC POWER TECHNOLOGY CO., LTD. Registration number: 2019420000003 |
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Date of cancellation: 20210702 Granted publication date: 20180330 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN LEAD ELECTRIC POWER TECHNOLOGY Co.,Ltd. Registration number: 2019420000003 |