CN202602369U - Leakage current abnormity remote alarm device of distribution transformer station area arrester - Google Patents
Leakage current abnormity remote alarm device of distribution transformer station area arrester Download PDFInfo
- Publication number
- CN202602369U CN202602369U CN2012201358000U CN201220135800U CN202602369U CN 202602369 U CN202602369 U CN 202602369U CN 2012201358000 U CN2012201358000 U CN 2012201358000U CN 201220135800 U CN201220135800 U CN 201220135800U CN 202602369 U CN202602369 U CN 202602369U
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- China
- Prior art keywords
- circuit
- leakage current
- arrester
- signal
- signal data
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y04S40/126—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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a leakage current abnormity remote alarm device of a distribution transformer station area arrester. The leakage current abnormity remote alarm device of a distribution transformer station area arrester comprises the components as following: a leakage current signal data acquisition circuit, which is used for acquiring leakage current signals from an arrester leakage current on-line monitoring circuit; a signal data calculating determination circuit, which is used for calculating the current signals acquired by the leakage current signal data acquisition circuit to determine whether the arrester leakage current exceeds a set value, and wherein the signal of the current exceeding the set value is transmitted to a remote alarm communication circuit; and the remote alarm communication circuit, which is used for transmitting the signal of the arrester leakage current exceeding the set value output by the signal data calculating determination circuit to a distribution network power supply intelligent control center and/or the handset of a duty electrician. According to the utility model, the leakage current of a 10 to 20 kV distribution transformer station area arrester of an electric power system is monitored in real time, the labor intensity of the work personnel is minimized, normal power supply for a user is guaranteed, the power supply reliability is raised, and the damage rate of power supply equipment is reduced.
Description
Technical field
The utility model relates to a kind of distant place warning device, relates in particular to a kind of unusual distant place of leakage current of an arrester warning device that is applicable to electric power system 10 ~ 20kV distribution transformer platform district.
Background technology
At present, the intelligent grid construction is carried out in China's electric power system comprehensively, and full electric network is carried out Based Intelligent Control, intelligent management and intellectual analysis.Wherein, for the unusual distant place of the leakage current of an arrester alarm technique research in electric power system 10 ~ 20kV distribution transformer platform district, also be an important part in the intelligent popularization and application of electrical network.
China can't realize real-time monitoring at the leakage current of an arrester that install in electric power system 10 ~ 20kV distribution transformer platform district of operation.When lightning arrester breaks down, as leakage current taking place when unusual, only reliable power supply operator on duty goes to carry out equipment inspection, after the discovery lightning arrester breaks down, keeps in repair again.The method of this artificial maintenance causes the repair time long, and intensity of workers is big, has influence on user's normal power supply simultaneously, has reduced power supply reliability, has increased the spoilage of power supply unit.
The utility model content
The purpose of the utility model provides a kind of distribution transformer platform district unusual distant place of leakage current of an arrester warning device; Can realize the leakage current of electric power system 10 ~ 20kV distribution transformer platform district lightning arrester is monitored in real time; Reduce intensity of workers; Guarantee user's normal power supply, improve power supply reliability, reduce the power supply unit spoilage.
The utility model adopts following technical proposals:
A kind of distribution transformer platform district unusual distant place of leakage current of an arrester warning device comprises the leakage current signal data acquisition circuit, is used for gathering the leakage current signal data from leakage current of an arrester on-line monitoring circuit; Signal data calculates decision circuitry, is used for the current signal that the leakage current signal data acquisition circuit collects is calculated, and judges that whether leakage current of an arrester surpasses set point, and will be sent to distant place alarm communication circuit above duty setting signal; Distant place alarm communication circuit is used for that the leakage current of an arrester that signal data calculates decision circuitry output is surpassed duty setting signal and is sent to distribution supply intelligent control centre and/or shift electrician's mobile phone.
Described leakage current signal data acquisition circuit comprises the leakage current monitor circuit; The input of leakage current monitor circuit connects lightning arrester body lower end terminals; The earth terminal of leakage current monitor circuit connects earthing of lightening arrester, and the output of leakage current monitor circuit connects the input that signal data calculates decision circuitry.
Described signal data calculates decision circuitry and comprises the A/D change-over circuit, calculates decision circuitry, executive circuit; The signal input part of said A/D change-over circuit connects the output of leakage current monitor circuit; The signal output part of A/D change-over circuit connects the signal input part that calculates decision circuitry, and the signal output part that calculates decision circuitry connects the signal input part of executive circuit.
Described executive circuit comprises CPU, relay drive circuit and relay; The input of CPU connects the signal output part that calculates decision circuitry; The output of CPU is through relay drive circuit control connection relay coil, and the normally opened contact of relay is connected on the alarm communication circuit of a distant place.
Described distant place alarm communication circuit comprises optical fibre communication cable circuit and/or radio communication circuit.
Described optical fibre communication cable circuit comprises fiber optic cables and the optical transmission circuit that is used for the signal of telecommunication is changed into light signal; The normally opened contact of described relay is connected on the power circuit of optical transmission circuit; The output of optical transmission circuit connects the input of fiber optic cables, and the output of fiber optic cables connects distribution supply intelligent control centre.
Described radio communication circuit comprises signal input circuit, coding circuit and radiating circuit; The normally opened contact of described relay is connected on the power circuit of signal input circuit; The output of signal input circuit connects the input of coding circuit; The output of coding circuit connects the input of radiating circuit, radiating circuit and distribution supply intelligent control centre and/or shift electrician's mobile phone wireless communication coupling.
The utility model can be monitored the leakage current of electric power system 10 ~ 20kV distribution transformer platform district lightning arrester in real time; When lightning arrester generation leakage current is unusual, can in time notify the staff; Reduce intensity of workers; Guarantee user's normal power supply, improve power supply reliability, reduce the power supply unit spoilage.
Description of drawings
Fig. 1 is the theory diagram of the utility model;
Fig. 2 is the theory diagram of the said leakage current signal data acquisition circuit of the utility model;
Fig. 3 is the theory diagram that the said signal data of the utility model calculates decision circuitry;
Fig. 4 is the theory diagram of the said optical fibre communication cable circuit of the utility model;
Fig. 5 is the theory diagram of the said radio communication circuit of the utility model.
Embodiment
Extremely shown in Figure 5 like Fig. 1; The utility model comprises that leakage current signal data acquisition circuit, signal data calculate decision circuitry and distant place alarm communication circuit; The output of leakage current signal data acquisition circuit connects the input that signal data calculates decision circuitry; Signal data calculates the input of the output connection distant place alarm communication circuit of decision circuitry, and distant place alarm communication circuit connects distribution supply intelligent control centre and/or shift electrician's mobile phone.
Described leakage current signal data acquisition circuit is used for gathering the leakage current signal data from leakage current of an arrester on-line monitoring circuit.The leakage current signal data acquisition circuit comprises the leakage current monitor circuit; The input of leakage current monitor circuit connects lightning arrester body lower end terminals; Lightning arrester body upper end terminals connection line phase line; The earth terminal of leakage current monitor circuit connects earthing of lightening arrester, and the output of leakage current monitor circuit connects the input that signal data calculates decision circuitry.
Described signal data calculates decision circuitry, is used for the current signal that the leakage current signal data acquisition circuit collects is calculated, and judges that whether leakage current of an arrester surpasses set point, and will be sent to distant place alarm communication circuit above duty setting signal.Signal data calculates decision circuitry and comprises the A/D change-over circuit, calculates decision circuitry, executive circuit; The signal input part of said A/D change-over circuit connects the output of leakage current monitor circuit; The signal output part of A/D change-over circuit connects the signal input part that calculates decision circuitry, and the signal output part that calculates decision circuitry connects the signal input part of executive circuit.Described executive circuit comprises CPU, relay drive circuit and relay; The input of CPU connects the signal output part that calculates decision circuitry; The output of CPU is through relay drive circuit control connection relay coil, and the normally opened contact of relay is connected on the alarm communication circuit of a distant place.CPU can adopt single-chip microcomputer.
Described distant place alarm communication circuit is used for that the leakage current of an arrester that signal data calculates decision circuitry output is surpassed duty setting signal and is sent to distribution supply intelligent control centre or shift electrician's mobile phone.Distant place alarm communication circuit can adopt optical fibre communication cable circuit and/or radio communication circuit.The optical fibre communication cable circuit comprises fiber optic cables and the optical transmission circuit that is used for the signal of telecommunication is changed into light signal; The normally opened contact of described relay is connected on the power circuit of optical transmission circuit; The output of optical transmission circuit connects the input of fiber optic cables, and the output of fiber optic cables connects distribution supply intelligent control centre.Radio communication circuit comprises signal input circuit, coding circuit and radiating circuit; The normally opened contact of described relay is connected on the power circuit of signal input circuit; The output of signal input circuit connects the input of coding circuit; The output of coding circuit connects the input of radiating circuit, radiating circuit and distribution supply intelligent control centre and/or shift electrician's mobile phone wireless communication coupling.
The utility model is when work; The leakage current monitor circuit is installed from lightning arrester body and is gathered the leakage current signal data the circuit; And the leakage current signal data that collect are sent to signal data calculate decision circuitry; Signal data calculates decision circuitry and judges whether leakage current of an arrester surpasses set point, if leakage current of an arrester surpasses set point, CPU is through relay drive circuit control relay coil electricity; The normally opened contact of relay is closed; The power circuit of optical transmission circuit and/or the power circuit conducting of signal input circuit in the alarm communication circuit of a distant place at this moment, alarm signal can be sent to distribution supply intelligent control centre and/or shift electrician's mobile phone through fiber optic cables and/or radiating circuit, and the prompting staff keeps in repair.
Above embodiment only in order to the explanation the utility model technical scheme but not to its restriction; Although with reference to preferred embodiment the utility model has been carried out detailed explanation, the those of ordinary skill in affiliated field is to be understood that: still can make amendment to the embodiment of the utility model perhaps is equal to replacement to the part technical characterictic; And not breaking away from the spirit of the utility model technical scheme, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (7)
1. a distribution transformer platform district unusual distant place of leakage current of an arrester warning device is characterized in that: comprise the leakage current signal data acquisition circuit, be used for gathering the leakage current signal data from leakage current of an arrester on-line monitoring circuit; Signal data calculates decision circuitry, is used for the current signal that the leakage current signal data acquisition circuit collects is calculated, and judges that whether leakage current of an arrester surpasses set point, and will be sent to distant place alarm communication circuit above duty setting signal; Distant place alarm communication circuit is used for that the leakage current of an arrester that signal data calculates decision circuitry output is surpassed duty setting signal and is sent to distribution supply intelligent control centre and/or shift electrician's mobile phone.
2. the distribution transformer platform according to claim 1 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described leakage current signal data acquisition circuit comprises the leakage current monitor circuit; The input of leakage current monitor circuit connects lightning arrester body lower end terminals; The earth terminal of leakage current monitor circuit connects earthing of lightening arrester, and the output of leakage current monitor circuit connects the input that signal data calculates decision circuitry.
3. the distribution transformer platform according to claim 2 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described signal data calculates decision circuitry and comprises the A/D change-over circuit, calculates decision circuitry, executive circuit; The signal input part of said A/D change-over circuit connects the output of leakage current monitor circuit; The signal output part of A/D change-over circuit connects the signal input part that calculates decision circuitry, and the signal output part that calculates decision circuitry connects the signal input part of executive circuit.
4. the distribution transformer platform according to claim 3 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described executive circuit comprises CPU, relay drive circuit and relay; The input of CPU connects the signal output part that calculates decision circuitry; The output of CPU is through relay drive circuit control connection relay coil, and the normally opened contact of relay is connected on the alarm communication circuit of a distant place.
5. the distribution transformer platform according to claim 4 district unusual distant place of leakage current of an arrester warning device is characterized in that: described distant place alarm communication circuit comprises optical fibre communication cable circuit and/or radio communication circuit.
6. the distribution transformer platform according to claim 5 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described optical fibre communication cable circuit comprises fiber optic cables and the optical transmission circuit that is used for the signal of telecommunication is changed into light signal; The normally opened contact of described relay is connected on the power circuit of optical transmission circuit; The output of optical transmission circuit connects the input of fiber optic cables, and the output of fiber optic cables connects distribution supply intelligent control centre.
7. the distribution transformer platform according to claim 5 district unusual distant place of leakage current of an arrester warning device; It is characterized in that: described radio communication circuit comprises signal input circuit, coding circuit and radiating circuit; The normally opened contact of described relay is connected on the power circuit of signal input circuit; The output of signal input circuit connects the input of coding circuit; The output of coding circuit connects the input of radiating circuit, radiating circuit and distribution supply intelligent control centre and/or shift electrician's mobile phone wireless communication coupling.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2012201358000U CN202602369U (en) | 2012-04-01 | 2012-04-01 | Leakage current abnormity remote alarm device of distribution transformer station area arrester |
Applications Claiming Priority (1)
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CN2012201358000U CN202602369U (en) | 2012-04-01 | 2012-04-01 | Leakage current abnormity remote alarm device of distribution transformer station area arrester |
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CN202602369U true CN202602369U (en) | 2012-12-12 |
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CN2012201358000U Expired - Fee Related CN202602369U (en) | 2012-04-01 | 2012-04-01 | Leakage current abnormity remote alarm device of distribution transformer station area arrester |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102624092A (en) * | 2012-04-01 | 2012-08-01 | 河南省电力公司驻马店供电公司 | Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone |
-
2012
- 2012-04-01 CN CN2012201358000U patent/CN202602369U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102624092A (en) * | 2012-04-01 | 2012-08-01 | 河南省电力公司驻马店供电公司 | Leakage current abnormal remote alarm device for lightning arrester of distribution transformer station zone |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150401 |
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EXPY | Termination of patent right or utility model |