CN201846133U - Intelligent control device of 10KV-20KVcable ring main unit - Google Patents
Intelligent control device of 10KV-20KVcable ring main unit Download PDFInfo
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- CN201846133U CN201846133U CN2010202315272U CN201020231527U CN201846133U CN 201846133 U CN201846133 U CN 201846133U CN 2010202315272 U CN2010202315272 U CN 2010202315272U CN 201020231527 U CN201020231527 U CN 201020231527U CN 201846133 U CN201846133 U CN 201846133U
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- optical transceiver
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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
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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
- 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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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Abstract
The utility model relates to an intelligent control device of a 10KV-20KV cable ring main unit, which comprises a signal data acquiring circuit, a signal data calculation judging circuit, a switch operation circuit and an optical transceiver circuit. Signal data acquired by an intelligent power system of the cable ring main unit is output to be connected with the signal data calculation judging circuit and the optical transceiver circuit, the signal data calculation judging circuit outputs to be connected with the switch operation circuit and the optical transceiver circuit, the switch operation circuit is connected with the optical transceiver circuit, the optical transceiver circuit is connected with an optical communication cable circuit, and the optical communication cable circuit is connected with a network distribution intelligent control center. The intelligent control device has protection and automatic operation functions, enables operators to watch current and cable temperature in operation at any time through telemetry and telesignalisation according to setting, can realize remote switching operation at any time according to spot operation of a switch, shortens operation time of the switch and has an active and promoting function on development of power distribution intelligent control.
Description
Technical field
Originally relating to a kind of 10～20kV cable ring-system switch cubicle intelligent control technology, specifically, is a kind of application distribution cable power supply Based Intelligent Control loop network system.
Background technology
The intelligent grid construction is carried out in electric power system at present comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management, intellectual analysis.The intelligent construction of distribution only just begun starting, because a variety of causes fails to be generalizable always comprehensively, for cable ring-system switch cubicle supply intelligent Research on Control, it also is the intelligentized popularization and application part of distribution, be primarily aimed at the power supply of cable ring-system switch cubicle and carry out Based Intelligent Control, intelligent management.
Distribution loop-network switch cabinet supply intelligent Research on Control is built, and will play very big promotion to the power distribution system equipment safe operation, in the power distribution system equipment of operation, owing to can not monitor in real time, is out of order basically at present, is overhauled by user notification; Power supply quality is low, and device damage rate height if can be popularized in an all-round way and use distribution power supply looped network switch cubicle intelligent control technology, can play crucial effects to the development of distribution system intelligent control technology.
Summary of the invention
The objective of the invention is to realize by following technical scheme:
10～20kV cable ring-system switch cubicle intelligence controlling device comprises the signal data acquisition circuit, and signal data calculates decision circuitry, switching manipulation circuit, optical transceiver circuit;
Wherein, described signal data acquisition circuit collects signal data output from the loop networks switch power-supply system and connects described signal data calculating decision circuitry, optical transceiver circuit; Signal data calculates decision circuitry output and connects described switching manipulation circuit, optical transceiver circuit; Described switching manipulation circuit connects the optical transceiver circuit, and the optical transceiver circuit connects the optical fibre communication cable circuit, and the optical fibre communication cable circuit connects the distribution intelligent control center.
The signal data acquisition circuit comprises high-voltage switch gear branch, closing position signal acquisition circuit, cable temperature signal acquisition circuit, current signal Acquisition Circuit, phase line ground signalling Acquisition Circuit; Described cable temperature signal acquisition circuit, current signal Acquisition Circuit output termination connect signal data and calculate decision circuitry, optical transceiver circuit; Phase line ground signalling Acquisition Circuit output termination connects described optical transceiver circuit;
Wherein, described high-voltage switch gear branch, closing position signal acquisition circuit are to gather branch, closing position signal from described switch operating mechanism auxiliary contact, are connected in the optical transceiver circuit;
Described cable temperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in a certain position of described cable end, gathers the cable temperature data-signal from detector unit, is connected in signal data and calculates decision circuitry, optical transceiver circuit;
Described current signal Acquisition Circuit is that L1, L2, L3 three phase mains electric current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, inserts signal data and calculates decision circuitry, optical transceiver circuit.
Described phase line ground signalling Acquisition Circuit is the current signal that output is fit to requirement after zero sequence current mutual inductor and load resistance conversion, inserts the optical transceiver circuit.
Signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input is exported a termination with described signal data acquisition circuit and is connected, and the output of A/D translation circuit connects described data computation decision circuitry, and the output of data computation decision circuitry connects described executive component; Described executive component output has two terminations, a termination to connect described switching manipulation circuit, and another termination connects described optical transceiver circuit.
The switching manipulation circuit comprises the contacting controling circuit of mains switch 1 motor drive mechanism, the sub-gate control circuit of mains switch 1 motor drive mechanism; The contacting controling circuit of mains switch 2 motor drive mechanisms, the sub-gate control circuit of mains switch 2 motor drive mechanisms; The switching manipulation circuit input signal calculates decision circuitry, optical transceiver receiving circuit from signal data respectively;
Wherein, the contacting controling circuit of described mains switch 1 motor drive mechanism is meant the mains switch 1 motor drive mechanism closing circuit of described operation;
The sub-gate control circuit of mains switch 1 motor drive mechanism; Be meant the mains switch 1 motor drive mechanism sub-gate circuit of described operation;
The contacting controling circuit of described mains switch 2 motor drive mechanisms is meant the mains switch 1 motor drive mechanism closing circuit of described operation;
The sub-gate control circuit of mains switch 2 motor drive mechanisms; Be meant the mains switch 1 motor drive mechanism sub-gate circuit of described operation;
The optical transceiver circuit comprises fiber optic cables, optical receiving circuit, optical transmission circuit; Described optical receiving circuit one end connects fiber optic cables, is to receive the signal that transmits from supply intelligent control centre, changes light signal into the signal of telecommunication and sends the loop-network switch cabinet intelligence controlling device to; The other end connects optical transmission circuit, changes the signal of telecommunication of loop-network switch cabinet intelligence controlling device into light signal and is transmitted to supply intelligent control centre by fiber optic cables.
This 10～20kV cable ring-system switch cubicle intelligence controlling device, utilize advanced computer technology, monitoring technology, control technology, the communication technology, thus a kind of loop-network switch cabinet Long-distance Control, real-time status Data Detection, Intellectualized monitoring device that is used for distribution system developed.The relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, specifically, this loop-network switch cabinet intelligence controlling device technological progress, reasonable in design, desirable realization loop-network switch cabinet supply intelligent control, intelligent management is for development network distribution system automation control, will play positive facilitation, the concrete advantage of this 10～20kV cable ring-system switch cubicle intelligence controlling device:
1, this 10～20kV cable ring-system switch cubicle intelligence controlling device monitoring power supply power supply safety ruuning situation at any time has protection and automatic operating function, but according to setting automatic switching mains switch function, improves power supply reliability and fail safe.
2, this 10～20kV cable ring-system switch cubicle intelligence controlling device is monitored power supply running technology data at any time, can see supply voltage, electric current at any time, reach cable temperature by remote measurement, remote signalling.
3, this 10～20kV cable ring-system switch cubicle intelligence controlling device has the remote operation mains switch, according to device context running status needs switching at any time, can carry out remote operation, operating personnel are less than device context, shorten the operating equipment time, reduce the loss that do not have.
Description of drawings
Fig. 1 is that 10～20kV cable ring-system switch cubicle intelligence controlling device of the present invention is formed block diagram;
Fig. 2 is a signal data acquisition circuit block diagram of the present invention;
Fig. 3 is that signal data of the present invention calculates the decision circuitry block diagram;
Fig. 4 is a switching manipulation circuit block diagram of the present invention;
Fig. 5 is that optical transceiver circuit of the present invention is formed block diagram
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, form block diagram for 10～20kV cable ring-system switch cubicle intelligence controlling device of the present invention, this device comprises signal data acquisition circuit 1, and signal data calculates decision circuitry 2, switching manipulation circuit 3, optical transceiver circuit 4;
Described signal data acquisition circuit collects signal data output from the loop-network switch cabinet power-supply system and connects described signal data calculating decision circuitry, optical transceiver circuit; Signal data calculates decision circuitry output and connects described switching manipulation circuit, optical transceiver circuit; The optical transceiver circuit is connected with described switching manipulation circuit, and the optical transceiver circuit connects the optical fibre communication cable circuit, and the optical fibre communication cable circuit connects the distribution intelligent control center.
The signal data acquisition circuit of 10～20kV cable ring-system switch cubicle intelligence controlling device; collect the output of real-time status data-signal from the loop-network switch cabinet electric power system; be transferred to data computation decision circuitry, optical transceiver circuit respectively; various signal datas compare judgement by data computation judgment processing circuit; if device fails starts the protection action; signal is transferred to loop-network switch cabinet switching manipulation circuit and carries out this switch trip; with signal light transmission terminal circuit radiating circuit, the loop-network switch cabinet on off state is changed the back situation inform the electrician simultaneously.
When cable ring-system switch cubicle switch need change state, but an electrician distant place operate by optical fibre communication cable circuit, switching manipulation circuit, need not arrive the switch scene.
When the electrician need check on-the-spot switchgear ruuning situation, as electric current, cable temperature, can be directly by the optical fibre communication cable circuit do not have, signal data acquisition circuit, a distant place access the field apparatus operational factor and check.
Fig. 2 is a data-signal Acquisition Circuit block diagram of the present invention, and the signal data acquisition circuit comprises described switch branch, closing position signal acquisition circuit 2A, cable temperature signal acquisition circuit 2B, current signal Acquisition Circuit 2C, phase line ground signalling Acquisition Circuit 2E.
The data-signal Acquisition Circuit is exported termination connection signal data calculating decision circuitry, another termination connects described optical transceiver circuit;
Described switch branch, closing position signal acquisition circuit are to gather branch, closing position signal from described switch operating mechanism auxiliary contact, are connected in the optical transceiver circuit;
Described cable temperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in a certain position of described cable end, gathers the cable temperature data from detector unit, is connected in signal data and calculates decision circuitry; When the collecting temperature data relatively exceed setting by calculating, send alarm signal.When the electrician normally makes an inspection tour, but the cable temperature value is checked in a distant place.
Described current signal Acquisition Circuit is that L1, L2, L3 three phase mains electric current are exported the current signal that is fit to requirement through current transformer and load resistance, and output inserts signal data calculating decision circuitry; When electric power system generation problem, calculate the super setting of current parameters by microcomputer, send the overcurrent alarm signal, or tripping operation.
Described phase line ground signalling Acquisition Circuit is the current signal that output is fit to requirement after zero sequence current mutual inductor and load resistance conversion, inserts the optical transceiver circuit.The preface current transformer detects the phase line ground signalling, sends alarm signal by the optical transceiver circuit, and the electrician can make an inspection tour fast and search particular location.
Fig. 3 is that signal data of the present invention calculates the decision circuitry block diagram, and signal data calculates decision circuitry and comprises: A/D translation circuit 31, calculating decision circuitry 32, executive component 33; Described executive component output has two terminations, a termination to connect described switching manipulation circuit, and another termination connects described optical transceiver circuit.
Described A/D translation circuit 31 inputs connect described signal data acquisition circuit and export a termination, the output of A/D translation circuit connects described calculating decision circuitry 32, calculate decision circuitry output and connect described executive component 33, executive component is exported a termination and is connected described switching manipulation circuit, and another termination connects described optical transceiver circuit.
After described data computation decision circuitry obtained various signal datas from signal acquisition circuit, signal data carried out A/D conversion input and calculates decision circuitry, calculates comparison, and comparative result is exported to executive component and carried out fling-cut switch or warning.
Fig. 4 is a switching manipulation circuit composition frame chart of the present invention, and the switching manipulation circuit comprises the contacting controling circuit 41 of mains switch 1 motor drive mechanism, the sub-gate control circuit 42 of mains switch 1 motor drive mechanism; The contacting controling circuit 43 of mains switch 2 motor drive mechanisms, the sub-gate control circuit 44 of mains switch 2 motor drive mechanisms; The switching manipulation circuit input signal calculates decision circuitry, optical transceiver receiving circuit from signal data respectively;
Wherein, the contacting controling circuit of described mains switch 1 motor drive mechanism is meant the mains switch 1 motor drive mechanism closing circuit of described operation;
The sub-gate control circuit of mains switch 1 motor drive mechanism; Be meant the mains switch 1 motor drive mechanism sub-gate circuit of described operation;
The contacting controling circuit of described mains switch 2 motor drive mechanisms is meant the mains switch 2 motor drive mechanism closing circuits of described operation;
The sub-gate control circuit of mains switch 2 motor drive mechanisms; Be meant the mains switch 2 motor drive mechanism sub-gate circuits of described operation;
Switching operation signal calculates decision circuitry, optical transceiver circuit receiving circuit output termination from signal data respectively;
After described switch obtained branch, switching signal, switch divided automatically, closing operation, reported to the police after on off state changes and informed.
Fig. 5 is that optical transceiver circuit of the present invention is formed block diagram, and the optical transceiver circuit comprises optical receiving circuit 51, optical transmission circuit 52, fiber optic cables 53; Described optical receiving circuit one end connects fiber optic cables, is to receive the signal that transmits from supply intelligent control centre, changes light signal into signal of telecommunication output and sends the loop-network switch cabinet intelligence controlling device to; The other end connects optical transmission circuit, changes the loop-network switch cabinet intelligence controlling device signal of telecommunication into light signal, is transmitted to supply intelligent control centre by fiber optic cables.
When the loop-network switch cabinet intelligence controlling device outwards transmitted, the optical transceiver radiating circuit was carried out in accordance with regulations coding, changed the signal of telecommunication into light signal and outwards launched by fiber optic cables.Change signal of telecommunication output into and send the loop-network switch cabinet intelligence controlling device to when the optical transceiver receiving circuit receives certain light signal.
When personnel on duty need carry out a distant place when in time operating to high-tension cable loop-network switch cabinet intelligence controlling device switch, can transmit operation signal by the fiber optic cables circuit at the distribution intelligent control center operates, can shorten a lot of times, and improve security reliability.When personnel on duty need check the loop-network switch cabinet system equipment, can pursue platform by the fiber optic cables circuit at the distribution intelligent control center and check various ruuning situations.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (5)
1. 10～20kV cable ring-system switch cubicle intelligence controlling device is characterized in that: comprise the signal data acquisition circuit, signal data calculating decision circuitry, switching manipulation circuit, optical transceiver circuit;
Wherein, described signal data acquisition circuit collects signal data output from the loop-network switch cabinet power-supply system and connects described signal data calculating decision circuitry, optical transceiver circuit; Signal data calculates decision circuitry output and connects described switching manipulation circuit, optical transceiver circuit; Described switching manipulation circuit connects the optical transceiver circuit, and the optical transceiver circuit connects the optical fibre communication cable circuit, and the optical fibre communication cable circuit connects the distribution intelligent control center.
2. 10～20kV cable ring-system switch cubicle intelligence controlling device according to claim 1, it is characterized in that: the signal data acquisition circuit comprises high-voltage switch gear branch, closing position signal acquisition circuit, the cable temperature signal acquisition circuit, the current signal Acquisition Circuit, phase line ground signalling Acquisition Circuit; Described cable temperature signal acquisition circuit, current signal Acquisition Circuit output termination connect signal data and calculate decision circuitry, optical transceiver circuit; Phase line ground signalling Acquisition Circuit output termination connects described optical transceiver circuit;
Wherein, described high-voltage switch gear branch, closing position signal acquisition circuit are to gather branch, closing position signal from described switch operating mechanism auxiliary contact, are connected in the optical transceiver circuit;
Described cable temperature signal acquisition circuit is that the detector unit digital temperature sensor is connected in a certain position of described cable end, gathers the cable temperature data-signal from detector unit, is connected in signal data and calculates decision circuitry, optical transceiver circuit;
Described current signal Acquisition Circuit is that L1, L2, L3 three phase mains electric current are exported the current signal that is fit to requirement after current transformer and load resistance conversion, inserts signal data and calculates decision circuitry, optical transceiver circuit;
Described phase line ground signalling Acquisition Circuit is the current signal that output is fit to requirement after zero sequence current mutual inductor and load resistance conversion, inserts the optical transceiver circuit.
3. 10～20kV cable ring-system switch cubicle intelligence controlling device according to claim 1 is characterized in that: signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input is exported a termination with described signal data acquisition circuit and is connected, and the output of A/D translation circuit connects described data computation decision circuitry, and the output of data computation decision circuitry connects described executive component; Described executive component output has two terminations, a termination to connect described switching manipulation circuit, and another termination connects described optical transceiver circuit.
4. 10～20kV cable ring-system switch cubicle intelligence controlling device according to claim 1, it is characterized in that: the switching manipulation circuit comprises the contacting controling circuit of mains switch 1 motor drive mechanism, the sub-gate control circuit of mains switch 1 motor drive mechanism; The contacting controling circuit of mains switch 2 motor drive mechanisms, the sub-gate control circuit of mains switch 2 motor drive mechanisms; The switching manipulation circuit input signal calculates decision circuitry, optical transceiver receiving circuit from signal data respectively;
Wherein, the contacting controling circuit of described mains switch 1 motor drive mechanism is meant the mains switch 1 motor drive mechanism closing circuit of described operation;
The sub-gate control circuit of mains switch 1 motor drive mechanism; Be meant the mains switch 1 motor drive mechanism sub-gate circuit of described operation;
The contacting controling circuit of described mains switch 2 motor drive mechanisms is meant the mains switch 1 motor drive mechanism closing circuit of described operation;
The sub-gate control circuit of mains switch 2 motor drive mechanisms; Be meant the mains switch 1 motor drive mechanism sub-gate circuit of described operation.
5. 10～20kV cable ring-system switch cubicle intelligence controlling device according to claim 1, it is characterized in that: the optical transceiver circuit comprises fiber optic cables, optical receiving circuit, optical transmission circuit; Described optical receiving circuit one end connects fiber optic cables, is to receive the signal that transmits from supply intelligent control centre, changes light signal into the signal of telecommunication and sends the loop-network switch cabinet intelligence controlling device to; The other end connects optical transmission circuit, changes the signal of telecommunication of loop-network switch cabinet intelligence controlling device into light signal and is transmitted to supply intelligent control centre by fiber optic cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202315272U CN201846133U (en) | 2010-06-13 | 2010-06-13 | Intelligent control device of 10KV-20KVcable ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202315272U CN201846133U (en) | 2010-06-13 | 2010-06-13 | Intelligent control device of 10KV-20KVcable ring main unit |
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| Publication Number | Publication Date |
|---|---|
| CN201846133U true CN201846133U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202315272U Expired - Fee Related CN201846133U (en) | 2010-06-13 | 2010-06-13 | Intelligent control device of 10KV-20KVcable ring main unit |
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| CN (1) | CN201846133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280933A (en) * | 2010-06-13 | 2011-12-14 | 陈家斌 | Intelligent control device for high-voltage cable ring network switch cabinet |
| CN103972989A (en) * | 2014-05-29 | 2014-08-06 | 昌华电气设备集团有限公司 | Intelligent low-voltage switch cabinet comprehensive monitoring system based on optical-fiber communication |
-
2010
- 2010-06-13 CN CN2010202315272U patent/CN201846133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280933A (en) * | 2010-06-13 | 2011-12-14 | 陈家斌 | Intelligent control device for high-voltage cable ring network switch cabinet |
| CN103972989A (en) * | 2014-05-29 | 2014-08-06 | 昌华电气设备集团有限公司 | Intelligent low-voltage switch cabinet comprehensive monitoring system based on optical-fiber communication |
| CN103972989B (en) * | 2014-05-29 | 2016-05-25 | 昌华电气设备集团有限公司 | A kind of Intelligent low-voltage switchgear comprehensive monitoring system based on fiber optic communication |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20110613 |