CN203644644U - Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker - Google Patents
Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker Download PDFInfo
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- CN203644644U CN203644644U CN201320709762.XU CN201320709762U CN203644644U CN 203644644 U CN203644644 U CN 203644644U CN 201320709762 U CN201320709762 U CN 201320709762U CN 203644644 U CN203644644 U CN 203644644U
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- 238000004891 communication Methods 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000016507 interphase Effects 0.000 abstract 2
- 238000007726 management method Methods 0.000 description 3
- 206010003830 Automatism Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model provides an intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker which comprises a circuit breaker body, an intelligent controller, a single-phase voltage transformer and three single-phase current transformers. The circuit breaker body is connected with a user service entrance power side and a load side respectively. The three single-phase current transformers are fixed to the circuit breaker body and are connected with three phase lines of an output end of the circuit breaker body. The single-phase voltage transformer is connected in parallel between two phases of a user service entrance power. An output end of the single-phase voltage transformer and output ends of the single-phase current transformers are connected with an input end of the intelligent controller. An output end of the intelligent controller is connected with a control terminal of the circuit breaker body. The intelligent outdoor AC high-voltage vacuum boundary circuit breaker can reliably detect and judge an in-boundary zero-sequence current and an inter-phase short circuit fault circuit and automatically cut off a single-phase grounding fault and an inter-phase short circuit fault, and thus realizes automatic monitoring management of a power distribution.
Description
Technical field
The utility model relates to breaker technical field, specifically a kind of intelligent outdoor AC high-voltage vacuum dividing circuit breaker.
Background technology
Along with deepening constantly of city net, the upgrading of rural power grids; in service at China 10kV power distribution network; reliability and the fail safe of power supply are improving constantly; backbone breaks down and the ratio of accident reduces greatly; but the 10kV subscriber's drop accidents such as branch line cause ratio that backbone has a power failure in continuous rising, because involving the accident that whole piece 10kV feeder line has a power failure, sole user's fault and protection mismate happen occasionally.Fault of branch line more and more becomes the principal element that affects distribution safe operation.
At present, 10kV overhead distribution to each user's branch line porch is being used outdoor pole-mounted circuit breaker and isolating switch in a large number, but still has following limitation:
(1) mostly be hand switch, be mainly used in the effect of normal point, zygonema road load current and insulating power supply, do not there is the function of automatism isolation user side accident.
(2) although there is in recent years the load switching unit that some can isolated fault, but can not directly excise for phase fault, must wait transformer station trip after, could isolate phase fault, then cause whole circuit instantaneous power-offs, this troubleshooting pattern, poor for the selectivity of fault.
(3) do not possess reclosing function, and in view of the particularity of China's weather, transient fault is more, once cause user 10kV to have a power failure, must carry out the artificial line walking localization of faults and fault type and carry out fault eliminating, then carry out manual reclosing, restore electricity, the shortcoming of this troubleshooting pattern is that the power supply recovered from failure time is longer.
Therefore along with user is more and more higher to the reliability requirement of safe power supply, install with automatically protecting the user demarcation circuit breaker of controlling function, become one of effective ways that solve power distribution network the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of intelligent outdoor AC high-voltage vacuum dividing circuit breaker of the automatically-monitored management that can realize distribution line.
The technical solution of the utility model is:
A kind of intelligent outdoor AC high-voltage vacuum dividing circuit breaker, comprise breaker body, intelligent controller, single-phase potential transformer and three single-phase current transformers, described breaker body is connected with service-wire mains side and load side respectively, described three single-phase current transformers are fixed on breaker body and respectively and are connected with the three-phase line of breaker body output, described single-phase potential transformer is connected in parallel between the two-phase of service-wire power supply, the output of output summation current transformer and the input of intelligent controller of described voltage transformer are connected, the output of described intelligent controller is connected with the control terminal of breaker body.
Described intelligent outdoor AC high-voltage vacuum dividing circuit breaker, described voltage transformer is connected with intelligent controller with aviation plug by feed cable, and the working power of described intelligent controller is provided by voltage transformer; Described current transformer is connected with intelligent controller with aviation plug by control cables with breaker body.
Described intelligent outdoor AC high-voltage vacuum dividing circuit breaker, described intelligent controller comprises current acquisition analysis chip, the input of described current acquisition analysis chip is connected with the output of current transformer, and the output of described current acquisition analysis chip is connected with the control terminal of breaker body.
Described intelligent outdoor AC high-voltage vacuum dividing circuit breaker, described intelligent controller is provided with communication module, and described intelligent controller is connected with management centre computer by communication module, and described communication module is SIM card.
Described intelligent outdoor AC high-voltage vacuum dividing circuit breaker, described intelligent controller comprises guidance panel, and described guidance panel is provided with quantity of state LED light, manual divide-shut brake button, liquid crystal operation function button, control cables aviation socket and feed cable aviation socket.
Described intelligent outdoor AC high-voltage vacuum dividing circuit breaker, described intelligent controller is installed in the bottom of breaker body on same wire bar, and the control panel of described intelligent controller is towards ground level setting.
As shown from the above technical solution, the utility model gathers respectively the electric current of three-phase line by three single-phase current transformers, intelligent controller is analyzed the three-phase current collecting and carried out corresponding divide-shut brake action according to analysis result output signal control breaker body; The voltage transformer that adopts external, not only can gather voltage signal, can also provide working power for intelligent controller.The utility model can reliable Detection, judge zero-sequence current and phase fault electric current in boundary, automatically excises single phase ground fault and phase fault, thereby realizes the automatically-monitored management of distribution line.When intelligent controller configuration wired or wireless communication annex, can initiatively fault message be reported and submitted to electrical management center, realize the remote real-time data monitoring of electrical management center to customer charge, user also can operate demarcation circuit breaker separating brake of the present utility model by SMS or computer background mode.
Accompanying drawing explanation
Fig. 1 is mounting structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of the utility model breaker body;
Fig. 3 is the installation diagrammatic side view of the utility model breaker body and current transformer.
Embodiment
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of intelligent outdoor AC high-voltage vacuum dividing circuit breaker, comprises breaker body 1, three single-phase current transformers 2, external single-phase potential transformer 3 and an external intelligent controller 4.Breaker body 1, single-phase potential transformer 3 and intelligent controller 4 are arranged on respectively on electric pole 5, intelligent controller 4 is arranged on the bottom of breaker body 1 and single-phase potential transformer 3, and three single-phase current transformers 2 are fixed on the sidepiece of the insulating sleeve 11 of breaker body 1.The input of breaker body 1 is connected with service-wire mains side, and output is connected with the load side of user's supply and distribution network, lower house 12 ground connection of breaker body 1.Three single-phase current transformers 2 are connected with the three-phase line of breaker body 1 output respectively.Single-phase potential transformer 3 is connected in parallel between the two-phase of service-wire power supply.The output of single-phase potential transformer 3 is connected with the input of intelligent controller 4 with aviation plug by feed cable, for intelligent controller 4 provides working power and voltage signal.The output of three single-phase current transformers 2 is connected with the input of intelligent controller 4 with aviation plug by control cables, the real-time current information of its collection is sent into the current acquisition analysis chip of intelligent controller 4.The current acquisition analysis chip of intelligent controller 4 detects, judges the electric current collecting, and then according to analysis result, control signal is transferred to the control terminal of breaker body 1 by control cables, and breaker body 1 is carried out corresponding divide-shut brake action.
The casing of intelligent controller 4 is selected outdoor epoxide resin material, its guidance panel vertically plane arranges downwards, and has the protection of PC facial mask, can prevent 10 °～170 ° any direction rainwashes, can also prevent corrosion and accidental injury, there is good protective capacities.Guidance panel is provided with quantity of state LED light, manual divide-shut brake button, liquid crystal operation function button, control cables aviation socket and feed cable aviation socket etc.On guidance panel, be also provided with SIM card installation site, after SIM card is installed, intelligent controller 4 has GSM short message function, and user can pass through SMS or computer background mode operating breaker body 1 separating brake.
The major function that the utility model can be realized is summarized as follows:
(1) automatically excise single phase ground fault: in the time of user's branch line generation single phase ground fault, demarcation circuit breaker automatic brake separating of the present utility model, the user of other branch impression on transformer station and feeder line is less than the generation of fault.
(2) automatism isolation phase fault: in the time of user's branch line generation phase fault, demarcation circuit breaker of the present utility model is prior to transformer station's outlet protection switch tripping operation, and automatic separating fault circuit, can not involve the user of other branch power failure on feeder line.
(3) locate fast fault point: when user's fault of branch line causes after demarcation circuit breaker of the present utility model protection action, only have a responsibility for user and have a power failure, initiatively report and submit fault message by it, Utilities Electric Co.'s investigation of can dispatching officers rapidly to show up; Demarcation circuit breaker, as being furnished with communication module, is is initiatively reported and submitted electrical management center by information.
(4) supervisory user load: in the time of demarcation circuit breaker configuration wired or wireless communication annex of the present utility model, Monitoring Data is sent to electrical management center, realizes the remote real-time data monitoring to customer charge.
(5) remote operation function, user can operate demarcation circuit breaker separating brake of the present utility model by SMS or computer background mode.
The above execution mode is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection range of claims of the present utility model.
Claims (6)
1. an intelligent outdoor AC high-voltage vacuum dividing circuit breaker, comprise breaker body, intelligent controller, single-phase potential transformer and three single-phase current transformers, it is characterized in that: described breaker body is connected with service-wire mains side and load side respectively, described three single-phase current transformers are fixed on breaker body and respectively and are connected with the three-phase line of breaker body output, described single-phase potential transformer is connected in parallel between the two-phase of service-wire power supply, the output of output summation current transformer and the input of intelligent controller of described voltage transformer are connected, the output of described intelligent controller is connected with the control terminal of breaker body.
2. intelligent outdoor AC high-voltage vacuum dividing circuit breaker according to claim 1, it is characterized in that: described voltage transformer is connected with intelligent controller with aviation plug by feed cable, and the working power of described intelligent controller is provided by voltage transformer; Described current transformer is connected with intelligent controller with aviation plug by control cables with breaker body.
3. intelligent outdoor AC high-voltage vacuum dividing circuit breaker according to claim 1, it is characterized in that: described intelligent controller comprises current acquisition analysis chip, the input of described current acquisition analysis chip is connected with the output of current transformer, and the output of described current acquisition analysis chip is connected with the control terminal of breaker body.
4. intelligent outdoor AC high-voltage vacuum dividing circuit breaker according to claim 1, it is characterized in that: described intelligent controller is provided with communication module, described intelligent controller is connected with management centre computer by communication module, and described communication module is SIM card.
5. intelligent outdoor AC high-voltage vacuum dividing circuit breaker according to claim 1, it is characterized in that: described intelligent controller comprises guidance panel, described guidance panel is provided with quantity of state LED light, manual divide-shut brake button, liquid crystal operation function button, control cables aviation socket and feed cable aviation socket.
6. intelligent outdoor AC high-voltage vacuum dividing circuit breaker according to claim 5, it is characterized in that: described intelligent controller is installed in the bottom of breaker body on same wire bar, and the control panel of described intelligent controller is towards ground level setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320709762.XU CN203644644U (en) | 2013-11-12 | 2013-11-12 | Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320709762.XU CN203644644U (en) | 2013-11-12 | 2013-11-12 | Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker |
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| Publication Number | Publication Date |
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| CN203644644U true CN203644644U (en) | 2014-06-11 |
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| CN201320709762.XU Expired - Fee Related CN203644644U (en) | 2013-11-12 | 2013-11-12 | Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182182A (en) * | 2015-09-15 | 2015-12-23 | 国家电网公司 | Air circuit breaker calibration system |
| CN108400054A (en) * | 2018-04-04 | 2018-08-14 | 广西配网电力技术有限公司 | A kind of outdoor vacuum circuit breaker control system |
| CN108735554A (en) * | 2017-04-24 | 2018-11-02 | 人民电器集团上海有限公司 | A kind of breaker fixed frame |
| CN110336376A (en) * | 2019-07-05 | 2019-10-15 | 陈儒丹 | High and low voltage switch intelligence control system, controller and control method |
-
2013
- 2013-11-12 CN CN201320709762.XU patent/CN203644644U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182182A (en) * | 2015-09-15 | 2015-12-23 | 国家电网公司 | Air circuit breaker calibration system |
| CN108735554A (en) * | 2017-04-24 | 2018-11-02 | 人民电器集团上海有限公司 | A kind of breaker fixed frame |
| CN108735554B (en) * | 2017-04-24 | 2019-09-10 | 人民电器集团上海有限公司 | A kind of breaker fixed frame |
| CN108400054A (en) * | 2018-04-04 | 2018-08-14 | 广西配网电力技术有限公司 | A kind of outdoor vacuum circuit breaker control system |
| CN110336376A (en) * | 2019-07-05 | 2019-10-15 | 陈儒丹 | High and low voltage switch intelligence control system, controller and control method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker Effective date of registration: 20170922 Granted publication date: 20140611 Pledgee: Hefei Heng Hai financing Company limited by guarantee Pledgor: ANHUI DONFUN ELECTRICAL EQUIPMENT CO.,LTD. Registration number: 2017340000247 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180528 Granted publication date: 20140611 Pledgee: Hefei Heng Hai financing Company limited by guarantee Pledgor: ANHUI DONFUN ELECTRICAL EQUIPMENT CO.,LTD. Registration number: 2017340000247 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent outdoor AC (alternating-current) high-voltage vacuum boundary circuit breaker Effective date of registration: 20180911 Granted publication date: 20140611 Pledgee: Hefei Heng Hai financing Company limited by guarantee Pledgor: ANHUI DONFUN ELECTRICAL EQUIPMENT CO.,LTD. Registration number: 2018340000479 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190929 Granted publication date: 20140611 Pledgee: Hefei Heng Hai financing Company limited by guarantee Pledgor: ANHUI DONFUN ELECTRICAL EQUIPMENT CO.,LTD. Registration number: 2018340000479 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An intelligent outdoor AC high voltage vacuum boundary circuit breaker Effective date of registration: 20200928 Granted publication date: 20140611 Pledgee: Hefei Heng Hai financing Company limited by guarantee Pledgor: ANHUI DONFUN ELECTRICAL EQUIPMENT Co.,Ltd. Registration number: Y2020980006588 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211101 Granted publication date: 20140611 Pledgee: Hefei Heng Hai financing Company limited by guarantee Pledgor: ANHUI DONFUN ELECTRICAL EQUIPMENT CO.,LTD. Registration number: Y2020980006588 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |