CN201726111U - Temperature monitoring intelligent device for 10-20kV transformer - Google Patents
Temperature monitoring intelligent device for 10-20kV transformer Download PDFInfo
- Publication number
- CN201726111U CN201726111U CN2010202451987U CN201020245198U CN201726111U CN 201726111 U CN201726111 U CN 201726111U CN 2010202451987 U CN2010202451987 U CN 2010202451987U CN 201020245198 U CN201020245198 U CN 201020245198U CN 201726111 U CN201726111 U CN 201726111U
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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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- Protection Of Transformers (AREA)
Abstract
The utility model relates to a temperature monitoring intelligent device for a 10-20kV transformer, which comprises a signal data acquisition circuit, a signal data calculating and judging circuit, a switch operating circuit and an optical transceiver circuit. The signal data acquisition circuit acquires the temperature signal data from a distribution transformer body which is in output connection with the signal data calculating and judging circuit and the optical transceiver circuit. The signal data calculating and judging circuit is in output connection with the switch operating circuit and the optical transceiver circuit. The switch operating circuit is connected with the optical transceiver circuit which is connected with a fiber-optical communication cable circuit. The fiber-optical communication cable circuit is connected with a network distributing intelligent controller center. When the temperature of the main body of the operative distribution transformer exceeds the regulated value, the temperature control thyristor of the signal data acquisition circuit is on and normally-open contact of relay operation is actuated so as to transfer the over-temperature signal to the signal data calculating and judging circuit and a transmission circuit of the optical transceiver immediately to alarm or trip directly. Therefore, operators on duty arrive at the site at the first time for accident handling, thereby reducing the device fault rate, improving the power distribution reliability and increasing the enterprise and social benefits.
Description
Technical field
The present invention relates to a kind of 10～20kV transformer monitoring temperature intellectual technology in service, is a kind ofly to be applied to power distribution network supply transformer when operation and to take place that overtemperature trips or report to the police in a distant place.
Background technology
At present, along with the industrial and agricultural production great development, national economy improves rapidly, and living standards of the people constantly promote, and power industry is also developed on an unprecedented scale, and the nationwide integrated power grid construction is maked rapid progress.The electric power of electrical network is delivered to huge numbers of families after by the distribution transformer transformation, the distribution transformer of current operation is owing to can not monitor in real time, basically be that transformer is out of order and burns out power failure, carry out overhaul of the equipments by the user notification maintainer, troubleshooting time of dragging is long like this, the user is had a power failure influence greatly, therefore power supply reliability is low, device damage rate height, can not satisfy the requirement that living standards of the people improve constantly, if can popularize in an all-round way and use distribution transformer overtemperature in service and trip or distant place alarm technique, when distribution transformer overtemperature accident in service takes place, transformer no longer burns out, notify accident at once operator on duty, maintainer's very first time can in time rush to repair to the scene, shortens the accident treatment time, improve amount of power supply, increase enterprise and social benefit.Active promoting function is also played in development to the distribution system intellectualized technology simultaneously.
Summary of the invention
10～20kV transformer monitoring temperature intelligent apparatus comprises the signals collecting data circuit, and signal data calculates decision circuitry, switching manipulation circuit, optical transceiver circuit;
Wherein, described signal data acquisition circuit collects temperature signal data output from the distribution transformer body 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.
Described signal data acquisition circuit comprises a temperature control thyristor, a potentiometer, a capacitor, a relay; Described temperature control thyristor has three utmost points, is respectively A, G, K; The described temperature control thyristor G utmost point connects potentiometer, capacitor one end respectively, the described temperature control thyristor A utmost point connects positive source, the described temperature control thyristor K utmost point connects described relay coil one termination, potentiometer two terminations in addition connects positive source, the described capacitor other end connects positive source, and another termination of described relay coil connects power cathode.
Signal data calculates decision circuitry and comprises the A/D translation circuit, calculates decision circuitry, executive component; Described A/D translation circuit input is connected with described signal data acquisition circuit output end head, 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 branch, the contacting controling circuit of distribution transformer high-voltage switch gear motor drive mechanism; The switching manipulation circuit input signal calculates decision circuitry, optical transceiver receiving circuit from signal data respectively;
Wherein, described distribution transformer high-voltage switch gear branch, contacting controling circuit are meant high-voltage switch gear motor drive mechanism branch, the closing 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 distribution transformer monitoring temperature intelligent apparatus to; The other end connects optical transmission circuit, changes the signal of telecommunication of distribution transformer monitoring temperature intelligent apparatus into light signal and is transmitted to supply intelligent control centre by fiber optic cables.
This 10～20kV transformer monitoring temperature intelligent apparatus is to utilize advanced electronic technology, develop a kind of distribution transformer overtemperature intelligent management in service that is used for, the relative prior art of the present invention has outstanding substantive distinguishing features and obvious improvement, specifically, this distribution transformer monitoring temperature intelligent apparatus technological progress, reasonable in design, desirable realization distribution transformer monitoring temperature intelligent management in service, will play positive guarantee effect for electric power netting safe running, the concrete advantage of this 10～20kV transformer operating temperature monitoring intelligent device:
The present invention 10～20kV transformer monitoring temperature intelligent apparatus is when transformer generation overtemperature in service accident, at first reports to the police, and cuts off transformer frequency response when serious automatically, and the maintainer in time rushes to repair to the scene very first time, and transformer no longer burns out.Shorten the accident treatment time, improve amount of power supply, increase enterprise and social benefit.Positive facilitation is also played in development to the distribution system intellectualized technology simultaneously.
Strengthen the safe operation management of power distribution network, improved the reliability of power supply greatly, promoted the effect of the safety management integral level of power distribution network.
Description of drawings
Fig. 1 is the present invention 10～20kV transformer monitoring temperature intelligent apparatus 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:
Fig. 1 is the present invention 10～20kV transformer monitoring temperature intelligent apparatus block diagram, 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 connects described signal judging circuit, and signal judging circuit connects described wireless alarming emissioning circuit.
The monitoring temperature intelligent apparatus is installed on the body of distribution transformer, when distribution transformer generation overtemperature in service, the signal data acquisition decision circuitry, immediately this overtemperature signal is passed to optical transceiver alarm transmission circuit, carrying out a distant place reports to the police, automatically cut off transformer frequency response when temperature rise is serious, the operator on duty obtain the accident alarming situation at once the very first time carry out accident treatment to the scene, close and exempt from transformer and burn out.
Fig. 2 is a signal data acquisition circuit interconnect pattern of the present invention, and described signal acquisition circuit comprises a temperature control thyristor, a potentiometer, a capacitor, a relay; Described temperature control thyristor has three utmost points, is respectively A, G, K; The described temperature control thyristor G utmost point connects potentiometer, capacitor one end respectively, the described temperature control thyristor A utmost point connects positive source, the described temperature control thyristor K utmost point connects described relay coil one termination, potentiometer two terminations in addition connects positive source, the described capacitor other end connects positive source, and another termination of described relay coil connects power cathode.
When distribution transformer normally moved, the transformer body temperature was no more than setting, and the temperature control thyristor is in cut-off state, and the obstructed relay of circuit is failure to actuate;
When the distribution transformer generation body temperature that moves surpasses setting, the conducting of temperature control thyristor, the adhesive of power on circuitry actuating of relay normally opened contact, immediately this overtemperature signal is passed to signal data and calculate decision circuitry, optical transceiver radiating circuit and carry out a distant place and report to the police, the operator on duty obtains alarm condition, and the very first time is carried out accident treatment to the scene at once.
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 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 and judges that relatively the result exports to executive component and carries 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 transformer high-voltage switch motor drive mechanism, the sub-gate control circuit 42 of transformer high-voltage switch motor drive mechanism.Switching operation signal calculates decision circuitry, optical transceiver circuit receiving circuit output termination from signal data respectively;
Described high-voltage switch gear branch, contacting controling circuit are meant high-voltage switch gear motor drive mechanism branch, the closing circuit of described operation; After high-voltage switch gear obtained branch, switching signal, high-voltage switch gear divided automatically, closing operation.When transformer generation overtemperature intelligent apparatus sends the switch trip signal; Send switching operation signal at distribution supply intelligent center, be transmitted to the switching manipulation circuit by fiber optic cables and operate.
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 the distribution intelligent control center, changes light signal into signal of telecommunication output and sends distribution transformer monitoring temperature intelligent apparatus to; The other end connects optical transmission circuit, changes the distribution transformer intelligent apparatus signal of telecommunication into light signal, is transmitted to the distribution intelligent control center by fiber optic cables.
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 transformer monitoring temperature intelligent apparatus is characterized in that: comprise the signals collecting data circuit, signal data calculating decision circuitry, switching manipulation circuit, optical transceiver circuit;
Wherein, described signal data acquisition circuit collects temperature signal data output from the distribution transformer body 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. the described 10～20kV transformer of claim 1 monitoring temperature intelligent apparatus, it is characterized in that: described signal data acquisition circuit comprises a temperature control thyristor, a potentiometer, a capacitor, a relay; Described temperature control thyristor has three utmost points, is respectively A, G, K; The described temperature control thyristor G utmost point connects potentiometer, capacitor one end respectively, the described temperature control thyristor A utmost point connects positive source, the described temperature control thyristor K utmost point connects described relay coil one termination, potentiometer two terminations in addition connects positive source, the described capacitor other end connects positive source, and another termination of described relay coil connects power cathode.
3. the described 10～20kV transformer of claim 1 monitoring temperature intelligent apparatus 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 transformer monitoring temperature intelligent apparatus according to claim 1, it is characterized in that: the switching manipulation circuit comprises branch, the contacting controling circuit of distribution transformer high-voltage switch gear motor drive mechanism; The switching manipulation circuit input signal calculates decision circuitry, optical transceiver receiving circuit from signal data respectively;
Wherein, described distribution transformer high-voltage switch gear branch, contacting controling circuit are meant high-voltage switch gear motor drive mechanism branch, the closing circuit of described operation.
5. 10～20kV transformer monitoring temperature intelligent apparatus according to claim 1 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 distribution transformer monitoring temperature intelligent apparatus to; The other end connects optical transmission circuit, changes the signal of telecommunication of distribution transformer monitoring temperature intelligent apparatus 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 |
|---|---|---|---|
| CN2010202451987U CN201726111U (en) | 2010-06-18 | 2010-06-18 | Temperature monitoring intelligent device for 10-20kV transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202451987U CN201726111U (en) | 2010-06-18 | 2010-06-18 | Temperature monitoring intelligent device for 10-20kV transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201726111U true CN201726111U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202451987U Expired - Fee Related CN201726111U (en) | 2010-06-18 | 2010-06-18 | Temperature monitoring intelligent device for 10-20kV transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201726111U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699799A (en) * | 2014-11-28 | 2016-06-22 | 国家电网公司 | Oil-immersed transformer overtemperature warning method under harmonic condition |
| CN112577619A (en) * | 2020-12-10 | 2021-03-30 | 宁波迦南智能电气股份有限公司 | Terminal block temperature real-time monitoring method of intelligent electric meter |
-
2010
- 2010-06-18 CN CN2010202451987U patent/CN201726111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699799A (en) * | 2014-11-28 | 2016-06-22 | 国家电网公司 | Oil-immersed transformer overtemperature warning method under harmonic condition |
| CN112577619A (en) * | 2020-12-10 | 2021-03-30 | 宁波迦南智能电气股份有限公司 | Terminal block temperature real-time monitoring method of intelligent electric meter |
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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: 20110126 Termination date: 20110618 |