CN103715616A - Ring main unit - Google Patents
Ring main unit Download PDFInfo
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- CN103715616A CN103715616A CN201410002189.8A CN201410002189A CN103715616A CN 103715616 A CN103715616 A CN 103715616A CN 201410002189 A CN201410002189 A CN 201410002189A CN 103715616 A CN103715616 A CN 103715616A
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Abstract
The invention belongs to the technical field of electric equipment and particularly discloses a ring main unit which comprises a PT power cabinet, a distribution network automation cabinet and a plurality of switch bodies. The PT power cabinet is connected with the distribution network automation cabinet and the switch bodies and provides power for the distribution network automation cabinet and the switch bodies. The ring main unit further comprises a storage battery module which is used for providing emergency power for all circuits on the condition that external power supply of the PT power cabinet is off. The distribution network automation cabinet is connected with the switch bodies, collects data of the switch bodies, monitors the switch bodies, and communicates the collected data with the outside. The switch bodies are respectively connected with the PT power cabinet and the distribution network automation cabinet and are used for completing switching-on and switching-off of the ring main unit. By the adoption of the ring main unit, the overall design of the ring main unit is optimized, so that internal connecting wires of the ring main unit can be simplified, on-site installation workload can be reduced, and maintenance-free can be realized, cost can be reduced, and power supply reliability can be improved.
Description
Technical field
The application belongs to electrical equipment technical field, particularly a kind of ring main unit.
Background technology
Along with improving constantly of the economic sustained and rapid development of Chinese society and living standards of the people, power consumer is had higher requirement to the fail safe of power supply reliability, the quality of power supply and power supply.The domestic intelligent distribution network of nowadays wideling popularize is development rapidly, ring main unit can improve power supply reliability, the economy of power distribution network greatly as the main power equipment of intelligent distribution network, and reduce labour intensity, and raise the management level and service quality, promote the development of intelligent distribution network.
How better power distribution network and power equipment to be carried out to the fail safe that on-line monitoring, data processing, communication and a distant place are controlled and raising equipment is used, become the problem that everybody competitively studies.Distribution network automated in order to realize, meet power distribution network is realized to on-line monitoring and control, just need to transform the power equipment of power distribution network.The way of domestic nowadays most of producers is to be DTU(Distribution Terminal Unit to a distribution terminal unit of ring main unit increase).With reference to Fig. 1, be the connection diagram of DTU of the prior art and ring main unit, the framework of traditional DTU is core cell, terminal board, has also been equipped with storage battery and communication module.The problem of bringing like this has the functional part of 1. DTU the inside too many, causes the volume ratio of DTU itself larger, very inconvenient in installation and the maintenance in future.2. cause ring main unit to strengthen the dependence of DTU, what present many ring main units were used is the storage battery that DTU carries, if breaking down, DTU needs repairing, be easy to cause the power down of the whole secondary control loop of ring main unit, safe operation for ring main unit has produced very large harm, is unfavorable for improving the reliability of power supply.3. in DTU, the function in some functions of module and other module of ring main unit repeats, and is unfavorable for the optimization of Whole Equipment function and performance; 4. the cost compare of this DTU is high, thereby causes the manufacturing cost of whole cupboard to increase, and is unfavorable for popularization and the application of ring main unit.The structure of ring main unit integral body is also far from reaching desirable framework, and the cooperation between each functional module does not realize optimum organization yet, and these are also ring main unit problem demanding prompt solutions.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of ring main unit is provided, and to realize, to reduce whole looped network cabinet long-pending, optimized the configuration of each module, reached and reduced costs, and is easy to the object of safeguarding.
The invention provides a kind of ring main unit, it comprises, PT power cabinet, distribution automation cabinet and some Switch main bodies;
PT power cabinet, is connected with some Switch main bodies with distribution automation cabinet, for it provides Power supply; Wherein, also comprise battery module, in the situation that PT power cabinet externally fed interrupts, for each loop provides emergency service;
Distribution automation cabinet, is connected with some Switch main bodies, and each Switch main body is carried out to data acquisition and monitoring, and image data and outside are communicated;
Switch main body, is connected with distribution automation cabinet with PT power cabinet respectively, completes that ring main unit divides, closing operation.
Preferably, described distribution automation cabinet comprises automation cabinet terminal board, DTU and the communication terminal being linked in sequence;
Wherein, automation cabinet terminal board, is electrically connected with some Switch main bodies respectively, to obtain the data of Switch main body;
DTU, is connected with automation cabinet terminal board, and Switch main body carried out to feeder automation and relaying protection;
Communication terminal, is connected with DTU, and image data and outside communicate.
Wherein, PT power cabinet comprises, voltage transformer, relay, power management module, PT cabinet terminal board and storage battery;
Wherein, voltage transformer, is converted to the first alternating voltage and the second alternating voltage by external high pressure; The first alternating voltage is directly connected with some Switch main bodies through PT cabinet terminal board, and the second alternating voltage is connected with power management module through relay;
Power management module, after the second ac voltage rectifier is direct current, is connected with storage battery with PT cabinet terminal board respectively;
Storage battery, when externally Power supply interrupts, provides Emergency Power through power management module for ring main unit;
PT cabinet terminal board, is connected with some Switch main bodies respectively, and required power supply is provided.
Preferably, described PT power cabinet comprises 2 road externally feds, respectively through the first voltage transformer and second voltage instrument transformer, through same relay, is power management module power supply.
Preferably, the first alternating voltage is 110V, and the second alternating voltage is 220V.
Take ring main unit of the present invention, by optimizing the global design of ring main unit, can simplify ring main unit back panel wiring, reduce on-site installation work amount, realize non-maintainingly, and can reduce costs, improve power supply reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of ring main unit and DTU in prior art;
Fig. 2 is the ring main unit structural representation of the embodiment of the present invention;
Fig. 3 is the PT power cabinet structural representation of the embodiment of the present invention;
Fig. 4 is the PT power cabinet structural representation of another embodiment of the present invention.
Embodiment
For the application's above-mentioned purpose, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the application is described in further detail.
With reference to Fig. 2, be the ring main unit structural representation of the embodiment of the present invention, a kind of ring main unit, it comprises PT power cabinet, distribution automation cabinet and some Switch main bodies;
PT power cabinet, is connected with some Switch main bodies with distribution automation cabinet, for it provides Power supply; Wherein, also comprise battery module, in the situation that PT power cabinet externally fed interrupts, for each loop provides emergency service; It should be noted that, battery module in PT power cabinet is the battery module in DTU in prior art, in the present invention, for reducing the volume of DTU itself, only retained the core cell in traditional DTU, storage battery in traditional DTU has been arranged in PT power cabinet, has made the wiring of storage battery and PT power cabinet simple, and convenient for the maintenance of storage battery.
Distribution automation cabinet, is connected with some Switch main bodies, and each Switch main body is carried out to data acquisition and monitoring, and image data and outside are communicated; Wherein in this enforcement, the DTU module after simplifying is arranged in distribution automation cabinet, each Switch main body is carried out to data acquisition and monitoring.Make the larger DTU module of volume originally, only retained feeder automation and relay protection function, realized the miniaturization of DTU, easy for installation.Preferably, described distribution automation cabinet comprises automation cabinet terminal board, DTU and the communication terminal being linked in sequence; Wherein, automation cabinet terminal board, is electrically connected with some Switch main bodies respectively, to obtain the data of Switch main body; Automation cabinet terminal board in the present invention is arranged in distribution automation cabinet, can directly be connected with DTU, has reduced the complexity of wiring.
DTU, is connected with automation cabinet terminal board, and Switch main body carried out to feeder automation and relaying protection; DTU in the present embodiment only comprises the corn module in traditional DTU, has realized the miniaturization of DTU, maintains easily.
Communication terminal, is connected with DTU, and image data and outside communicate.Communication terminal in this enforcement is directly installed in distribution automation cabinet, carries out data acquisition with DTU, has improved the reliability of communication.Be different from prior art the way that communication terminal and DTU are combined, realize the convenience of safeguarding.
Switch main body, is connected with distribution automation cabinet with PT power cabinet respectively, completes that ring main unit divides, closing operation.According to actual needs, Switch main body can comprise several, is connected respectively with PT power cabinet with distribution automation cabinet.
Adopt the ring main unit of the present embodiment, by optimizing the global design of ring main unit, can simplify ring main unit back panel wiring, reduce on-site installation work amount, realize non-maintainingly, and can reduce costs, improve power supply reliability.
With reference to Fig. 3, be the PT power cabinet in the embodiment of the present invention, this PT power cabinet comprises, voltage transformer, relay, power management module, PT cabinet terminal board and storage battery; Wherein, voltage transformer, is converted to the first alternating voltage and the second alternating voltage by external high pressure; The first alternating voltage is directly connected with some Switch main bodies through PT cabinet terminal board, and the second alternating voltage is connected with power management module through relay; Power management module, after the second ac voltage rectifier is direct current, is connected with storage battery with PT cabinet terminal board respectively; Storage battery, when externally Power supply interrupts, provides Emergency Power through power management module for ring main unit; PT cabinet terminal board, is connected with some Switch main bodies respectively, and required power supply is provided.Wherein, the first alternating voltage is 110V, and the second alternating voltage is 220V.
Adopt the plan of establishment of this PT power cabinet, can be conveniently to charge in batteries, and reduced the complexity with storage battery wiring, be easy to storage battery to safeguard.
With reference to Fig. 4, for the PT power cabinet in another embodiment of the present invention, be with the difference of above-mentioned PT power cabinet, the described PT power cabinet of the present embodiment comprises 2 road externally feds, through the first voltage transformer and second voltage instrument transformer, through same relay, be power management module power supply respectively.All the other are identical with the principle of above-mentioned PT power cabinet, again repeat no more.Adopt the PT power cabinet scheme of the present embodiment, can guarantee that two-way external power source powers to ring main unit, increased the power supply reliability of ring main unit.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and implement according to this; can not limit the scope of the invention with this; the equivalence that Spirit Essence is done according to the present invention changes or modifies, within all should being encompassed in protection scope of the present invention.
Claims (5)
1. a ring main unit, is characterized in that comprising, PT power cabinet, distribution automation cabinet and some Switch main bodies;
PT power cabinet, is connected with some Switch main bodies with distribution automation cabinet, for it provides Power supply; Wherein, also comprise battery module, in the situation that PT power cabinet externally fed interrupts, for each loop provides emergency service;
Distribution automation cabinet, is connected with some Switch main bodies, and each Switch main body is carried out to data acquisition and monitoring, and image data and outside are communicated;
Switch main body, is connected with distribution automation cabinet with PT power cabinet respectively, completes that ring main unit divides, closing operation.
2. ring main unit according to claim 1, is characterized in that described distribution automation cabinet comprises automation cabinet terminal board, DTU and the communication terminal being linked in sequence;
Wherein automation cabinet terminal board, is electrically connected with some Switch main bodies respectively, to obtain the data of Switch main body;
DTU, is connected with automation cabinet terminal board, and Switch main body carried out to feeder automation and relaying protection;
Communication terminal, is connected with DTU, and image data and outside communicate.
3. ring main unit according to claim 1, is characterized in that PT power cabinet comprises, voltage transformer, relay, power management module, PT cabinet terminal board and storage battery;
Wherein, voltage transformer, is converted to the first alternating voltage and the second alternating voltage by external high pressure; The first alternating voltage is directly connected with some Switch main bodies through PT cabinet terminal board, and the second alternating voltage is connected with power management module through relay;
Power management module, after the second ac voltage rectifier is direct current, is connected with storage battery with PT cabinet terminal board respectively;
Storage battery, when externally Power supply interrupts, provides Emergency Power through power management module for ring main unit;
PT cabinet terminal board, is connected with some Switch main bodies respectively, and required power supply is provided.
4. ring main unit according to claim 3, is characterized in that, described PT power cabinet comprises 2 road externally feds, respectively through the first voltage transformer and second voltage instrument transformer, through same relay, is power management module power supply.
5. ring main unit according to claim 3, is characterized in that, the first alternating voltage is 110V, and the second alternating voltage is 220V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002189.8A CN103715616B (en) | 2014-01-03 | 2014-01-03 | A kind of ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002189.8A CN103715616B (en) | 2014-01-03 | 2014-01-03 | A kind of ring main unit |
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| Publication Number | Publication Date |
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| CN103715616A true CN103715616A (en) | 2014-04-09 |
| CN103715616B CN103715616B (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410002189.8A Active CN103715616B (en) | 2014-01-03 | 2014-01-03 | A kind of ring main unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098645A (en) * | 2014-05-25 | 2015-11-25 | 袁茂银 | Power distribution automation cabinet and application thereof |
| CN105098644A (en) * | 2014-05-25 | 2015-11-25 | 袁茂银 | Outdoor switching station |
| CN105098643A (en) * | 2014-05-25 | 2015-11-25 | 袁茂银 | Distribution automation cabinet and application thereof |
| 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 |
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| CN201699325U (en) * | 2010-06-13 | 2011-01-05 | 浙江中控研究院有限公司 | Intelligent low pressure distribution cabinet system |
| CN103078255A (en) * | 2012-12-31 | 2013-05-01 | 王金刚 | Power supply system and integrated type power supply cabinet system of intelligent building |
| KR20130098079A (en) * | 2012-02-27 | 2013-09-04 | 한국전력공사 | Apparatus and method for controlling power supply at substation |
| CN203312920U (en) * | 2013-07-04 | 2013-11-27 | 北京华电嘉实电力设备有限公司 | Intelligent integrated system of PT cabinet |
| CN203747246U (en) * | 2014-01-03 | 2014-07-30 | 北京合锐赛尔电力科技有限公司 | Ring main unit |
-
2014
- 2014-01-03 CN CN201410002189.8A patent/CN103715616B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201699325U (en) * | 2010-06-13 | 2011-01-05 | 浙江中控研究院有限公司 | Intelligent low pressure distribution cabinet system |
| KR20130098079A (en) * | 2012-02-27 | 2013-09-04 | 한국전력공사 | Apparatus and method for controlling power supply at substation |
| CN103078255A (en) * | 2012-12-31 | 2013-05-01 | 王金刚 | Power supply system and integrated type power supply cabinet system of intelligent building |
| CN203312920U (en) * | 2013-07-04 | 2013-11-27 | 北京华电嘉实电力设备有限公司 | Intelligent integrated system of PT cabinet |
| CN203747246U (en) * | 2014-01-03 | 2014-07-30 | 北京合锐赛尔电力科技有限公司 | Ring main unit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098645A (en) * | 2014-05-25 | 2015-11-25 | 袁茂银 | Power distribution automation cabinet and application thereof |
| CN105098644A (en) * | 2014-05-25 | 2015-11-25 | 袁茂银 | Outdoor switching station |
| CN105098643A (en) * | 2014-05-25 | 2015-11-25 | 袁茂银 | Distribution automation cabinet and application thereof |
| CN105098644B (en) * | 2014-05-25 | 2017-12-26 | 袁茂银 | Outdoor switching station |
| CN107959237A (en) * | 2014-05-25 | 2018-04-24 | 湖南国奥电力设备有限公司 | Outdoor switching station |
| CN105098645B (en) * | 2014-05-25 | 2020-09-29 | 袁茂银 | Distribution automation cabinet and application thereof |
| 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 |
Also Published As
| Publication number | Publication date |
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| CN103715616B (en) | 2017-06-20 |
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Address after: 100085 Beijing city Haidian District on the 7 Street No. 1 Building 5 layer Applicant after: BEIJING HEROSAIL POWER SCI & TECH CO., LTD. Address before: 100085 Beijing city Haidian District on the 7 Street No. 1 Building 5 layer Applicant before: Beijing Herui SEL Power Science & Technology Co., Ltd. |
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