CN207251068U - A kind of intelligent ring main unit of band metering - Google Patents

A kind of intelligent ring main unit of band metering Download PDF

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Publication number
CN207251068U
CN207251068U CN201721238112.6U CN201721238112U CN207251068U CN 207251068 U CN207251068 U CN 207251068U CN 201721238112 U CN201721238112 U CN 201721238112U CN 207251068 U CN207251068 U CN 207251068U
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CN
China
Prior art keywords
metering
cabinet
line cabinet
distribution terminal
incoming line
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Active
Application number
CN201721238112.6U
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Chinese (zh)
Inventor
周士海
罗湘炜
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Hunan Asahi Electrical Equipment Co Ltd
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Hunan Asahi Electrical Equipment Co Ltd
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Publication date
Application filed by Hunan Asahi Electrical Equipment Co Ltd filed Critical Hunan Asahi Electrical Equipment Co Ltd
Priority to CN201721238112.6U priority Critical patent/CN207251068U/en
Application granted granted Critical
Publication of CN207251068U publication Critical patent/CN207251068U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of intelligent ring main unit of band metering, it is characterized in that, including incoming line cabinet, metering cabinet, outgoing line cabinet and collect distribution terminal DTU, the metering cabinet is equipped with metering current mulual inductor, metered voltage mutual inductor and metering cabinet control room, and integrated chip metering distribution terminal is equipped with the measuring instrument room;The incoming line cabinet is equipped with incoming line cabinet control room, and the outgoing line cabinet is equipped with outgoing line cabinet control room, the incoming line cabinet control room, outgoing line cabinet control room and collects integrated chip distribution terminal is equipped with distribution terminal DTU;Integrated chip distribution terminal improves the reliability of ring main unit, band metering ring main unit is possessed metering, observing and controlling and defencive function, fully achieves the power distribution automation of ring main unit;Using SF6 gas as dielectric, designed using micro-positive pressure power, not only ensured the requirement of charging compartment built-in electrical insulation but also ensured air tight.

Description

A kind of intelligent ring main unit of band metering
Technical field
It the utility model is related to Distribution Automation Technology field, more particularly to a kind of intelligent ring main unit of band metering.
Background technology
Ring main unit is one group of transmission & distribution electrical equipment (high-tension switch gear) in metal or non-metallic insulation cabinet or does Into the electrical equipment of assembled compartment ring network power supplying units, its core uses on-load switch and breaker, has structure letter It is single, small, price is low, can improve the advantages that power supply parameter and performance and power supply safety.Metering cabinet two elements measure, so-called Two elements metering refers to two voltage transformers and two current transformers, and the signal of electric current, voltage is inputted in measurement meter, Realize to active and reactive electrical energy measurement in 10kV electric system, and between electric company and user economic balance foundation.It Be widely used in the power distribution stations of the load centers such as Urban Residential District, skyscraper, large public building and factory and enterprise with And in box-type substation.
Existing ring main unit, metering cabinet are very strong to distribution power automation terminal DTU dependences, and the biography of distribution terminal module DTU Framework of uniting is that core cell adds peripheral components, and is equipped with backup power supply and communication module, such as distribution terminal module DTU failures, Largely effect on the reliability of ring main unit.
Utility model content
The utility model aim is to provide a kind of intelligent ring main unit of band metering, can with solve ring main unit and metering cabinet By sex chromosome mosaicism.
To achieve the above object, the technical solution of the utility model is:
A kind of intelligent ring main unit of band metering, including incoming line cabinet, metering cabinet, outgoing line cabinet and collect distribution terminal DTU, it is described Metering cabinet is equipped with metering current mulual inductor, metered voltage mutual inductor and metering cabinet control room, and collection is equipped with the measuring instrument room Distribution terminal is measured into chip;The incoming line cabinet is equipped with incoming line cabinet control room, and the outgoing line cabinet is equipped with outgoing line cabinet control room, described Incoming line cabinet control room, outgoing line cabinet control room and collect integrated chip distribution terminal is equipped with distribution terminal DTU;
Integrated chip distribution terminal in the integrated chip metering distribution terminal and incoming line cabinet, outgoing line cabinet is with collecting Distribution terminal DTU is communicated to connect, and the distribution terminal DTU that collects also is connected with distribution master station communication.
Preferably, the incoming line cabinet and/or outgoing line cabinet are SF6 gas-filling cabinets, and the incoming line cabinet is loading switch cabinet or open circuit Device cabinet, the outgoing line cabinet are loading switch cabinet or breaker cabinet.
Preferably, three-stations load switch body is provided with the incoming line cabinet charging compartment, busbar is bottom in and top out shape Formula is set;Current transformer and voltage transformer, the current transformer and voltage are installed on the incoming line cabinet charging compartment Mutual inductor is connected with the indoor integrated chip distribution terminal of incoming line cabinet instrument respectively.
Preferably, it is equipped with operating mechanism in the incoming line cabinet and/or outgoing line cabinet.
Preferably, the current transformer and voltage transformer are fixedly connected by supporting insulator with cabinet inner wall.
Preferably, SF6 gases are filled in the charging compartment, and the air pressure inside charging compartment is higher than outside charging compartment Air pressure.
Preferably, the incoming line cabinet, metering cabinet, outgoing line cabinet and collect distribution terminal DTU be equipped with and aviation plug coordinate Interface.
The utility model has the advantages that:
Integrated chip distribution terminal improves the reliability of ring main unit, band metering ring main unit is possessed metering, observing and controlling and guarantor Protective function, fully achieves the power distribution automation of ring main unit;Using SF6 gas as dielectric, designed using micro-positive pressure power, both really Protect the requirement of charging compartment built-in electrical insulation and ensure air tight;Chip DTU is connected with other components using aviation plug interface, real Existing " plug and play ", it is convenient and efficient, avoid not using terminal block, reduce internal breakpoints, substantially increase when breaking down Replace chip DTU unit efficiencies.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
In figure:201- incoming line cabinets, 202- metering cabinets, 203- outgoing line cabinets, 204- incoming line cabinets control room, 205- metering cabinet instrument Room, 206- outgoing line cabinets control room, 207- collect distribution terminal DTU.
Embodiment
The utility model and its embodiment are described in further detail below in conjunction with attached drawing:
A kind of intelligent ring main unit of band metering, including incoming line cabinet 201, metering cabinet 202, outgoing line cabinet 203 and collect distribution end DTU207 is held, the metering cabinet 202 is equipped with metering current mulual inductor, metered voltage mutual inductor and metering cabinet control room 205, described Integrated chip metering distribution terminal is equipped with measuring instrument room;The incoming line cabinet 201 is equipped with incoming line cabinet control room 204, it is described go out Line cabinet 203 is equipped with outgoing line cabinet control room 206, the incoming line cabinet control room, outgoing line cabinet control room and collects distribution terminal DTU207 Inside it is equipped with integrated chip distribution terminal;
Integrated chip distribution terminal in the integrated chip metering distribution terminal and incoming line cabinet, outgoing line cabinet is with collecting Distribution terminal DTU is communicated to connect, and the distribution terminal DTU that collects also is connected with distribution master station communication.
Each unit is configured with integrated chip distribution terminal, and the integrated chip distribution terminal module of unit is the same as remittance Total distribution terminal DTU communication connections, improve ring main unit reliability, ring main unit is possessed metering observing and controlling and defencive function, completely real The power distribution automation of existing ring main unit.
The incoming line cabinet 201 and/or outgoing line cabinet 203 are SF6 gas-filling cabinets, and the incoming line cabinet 201 is loading switch cabinet or disconnected Road device cabinet, the outgoing line cabinet 203 are loading switch cabinet or breaker cabinet.
Three-stations load switch body is provided with incoming line cabinet (201) charging compartment, busbar is bottom in and top out form Set;Current transformer and voltage transformer, the current transformer and electricity are installed on incoming line cabinet (201) charging compartment Pressure mutual inductor is respectively electronic current mutual inductor and electronic type voltage transformer, and the current transformer and voltage transformer divide It is not connected, is realized to divide-shut brake node sample with the indoor integrated chip distribution terminal of incoming line cabinet instrument.Current transformer with And integrated chipization metering distribution terminal connection is provided with the secondary circuit of the voltage transformer and the control room at place.
Operating mechanism is equipped with the incoming line cabinet (201) and/or outgoing line cabinet (203), for operational load switch or open circuit Quick divide-shut brake is stablized in device, realization.
The current transformer and voltage transformer are fixedly connected by supporting insulator with cabinet inner wall.
SF6 gases are filled in the charging compartment, the charging compartment internal pressure is designed with external pressure using micro-positive pressure, Air pressure inside charging compartment is higher than the air pressure outside charging compartment.
The incoming line cabinet (201), metering cabinet (202), outgoing line cabinet (203) and collect distribution terminal DTU (207) be equipped with and boat The interface that blind plug coordinates, realizes " plug and play ", avoids not using terminal block, reduce internal breakpoints, substantially increase Chip DTU unit efficiencies are replaced when breaking down.The integrated chip distribution terminal of unit each other by Ethernet or RS-485 bus communications connect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of intelligent ring main unit of band metering, it is characterised in that including incoming line cabinet (201), metering cabinet (202), outgoing line cabinet (203) and distribution terminal DTU (207) is collected, the metering cabinet (202) is equipped with metering current mulual inductor, metered voltage mutual inductor With metering cabinet control room (205), integrated chip metering distribution terminal is equipped with the measuring instrument room;The incoming line cabinet (201) Equipped with incoming line cabinet control room (204), the outgoing line cabinet (203) is equipped with outgoing line cabinet control room (206), the incoming line cabinet control room, Outgoing line cabinet control room and collect and be equipped with integrated chip distribution terminal in distribution terminal DTU (207);
Integrated chip distribution terminal in the integrated chip metering distribution terminal and incoming line cabinet, outgoing line cabinet is with collecting distribution Terminal D TU is communicated to connect, and the distribution terminal DTU that collects also is connected with distribution master station communication.
2. the intelligent ring main unit of band according to claim 1 metering, it is characterised in that the incoming line cabinet (201) and/or go out Line cabinet (203) is SF6Gas-filling cabinet, the incoming line cabinet (201) are loading switch cabinet or breaker cabinet, and the outgoing line cabinet (203) is Loading switch cabinet or breaker cabinet.
3. the intelligent ring main unit of band according to claim 2 metering, it is characterised in that incoming line cabinet (201) inflation every Interior is provided with three-stations load switch body, and busbar is set for bottom in and top out form;On incoming line cabinet (201) charging compartment Current transformer and voltage transformer are installed, the current transformer and voltage transformer are indoor with incoming line cabinet instrument respectively Integrated chip distribution terminal connects.
4. the intelligent ring main unit of band according to claim 3 metering, it is characterised in that the incoming line cabinet (201) and/or go out Operating mechanism is equipped with line cabinet (203).
5. the intelligent ring main unit of band metering according to claim 4, it is characterised in that the current transformer and voltage are mutual Sensor is fixedly connected by supporting insulator with cabinet inner wall.
6. the intelligent ring main unit of band metering according to claim 5, it is characterised in that fill SF in the charging compartment6Gas Body, and the air pressure inside charging compartment is higher than the air pressure outside charging compartment.
7. the intelligent ring main unit of band metering according to claim 6, it is characterised in that the incoming line cabinet (201), metering cabinet (202), outgoing line cabinet (203) and collect distribution terminal DTU (207) be equipped with aviation plug coordinate interface.
CN201721238112.6U 2017-09-26 2017-09-26 A kind of intelligent ring main unit of band metering Active CN207251068U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721238112.6U CN207251068U (en) 2017-09-26 2017-09-26 A kind of intelligent ring main unit of band metering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721238112.6U CN207251068U (en) 2017-09-26 2017-09-26 A kind of intelligent ring main unit of band metering

Publications (1)

Publication Number Publication Date
CN207251068U true CN207251068U (en) 2018-04-17

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Application Number Title Priority Date Filing Date
CN201721238112.6U Active CN207251068U (en) 2017-09-26 2017-09-26 A kind of intelligent ring main unit of band metering

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109193936A (en) * 2018-09-20 2019-01-11 西安市远征科技有限公司 A kind of high protection system and method for ring network cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109193936A (en) * 2018-09-20 2019-01-11 西安市远征科技有限公司 A kind of high protection system and method for ring network cabinet
CN109193936B (en) * 2018-09-20 2021-11-23 西安市远征科技有限公司 Ring main unit high-protection system and method

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