CN205724866U - A kind of user demarcation switch cabinet system - Google Patents
A kind of user demarcation switch cabinet system Download PDFInfo
- Publication number
- CN205724866U CN205724866U CN201620491886.9U CN201620491886U CN205724866U CN 205724866 U CN205724866 U CN 205724866U CN 201620491886 U CN201620491886 U CN 201620491886U CN 205724866 U CN205724866 U CN 205724866U
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- switch
- sequence current
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- zero
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Abstract
The utility model discloses a kind of user demarcation switch cabinet system, this system is arranged on the junction of branch line user and outdoor circuit, can effectively detect the Electrical Safety situation of branch line user, and cut off the electric power system of branch line user in time, prevent from having influence on the safety utilization of electric power of other user on same transformer station and feeder line due to the Electrical Safety situation of indivedual branch line users, concrete technical scheme is as follows: a kind of user demarcation switch cabinet system, it includes switch cubicle, Switch main body is installed in switch cubicle, branch switch controller and for detecting the zero sequence current mutual inductor of zero-sequence current, wherein the input of branch switch controller connects zero sequence current mutual inductor, the outfan connecting valve body of branch switch controller, connect on Switch main body and have two-winding transformer.
Description
Technical field
This utility model relates to a kind of for the safety device between common line and subscriber equipment, is specifically related to a kind of use
Family demarcation switch cabinet system, belongs to power grid control apparatus field.
Background technology
Along with the industrialization development of electric power, user is more and more higher for the requirement of power supply quality and reliability.In electricity consumption
During, when, after user's electrical equipment generation burst electric fault, connected line related may be occurred by its accident
Fault, can cause relevant transformation station generation trip phenomenon, and then have influence on whole Circuits System, cause bigger warp time serious
Ji loss, for keeping away generation that is less or even that avoid this kind of situation, people devise demarcation switch, and this demarcation switch is installed on distribution
At the responsibility separation of circuit, it is possible to achieve excision singlephase earth fault and automatism isolation phase fault automatically, in active
Report fault message, in order to the quickly localization of faults, it is ensured that the Electrical Safety of non-faulting user, completes conservative control.
Existing multiple demarcation switch controls device in the market, can realize automatically controlling, but still cannot meet and day by day increase
Long electricity needs and the diversified demand of user, be not the most effective to ensure that the safety of common line, it also occur that
The situation that whole electric power system is paralysed is caused due to the power failure of client.
Utility model content
The utility model proposes a kind of user demarcation switch cabinet system, this system is arranged on branch line user and outdoor circuit
Junction, it is possible to effectively detect the Electrical Safety situation of branch line user, and cut off the electric power system of branch line user in time, anti-
The safety only having influence on other user on same transformer station and feeder line due to the Electrical Safety situation of indivedual branch line users is used
Electricity, concrete technical scheme is as follows:
A kind of user demarcation switch cabinet system, it includes switch cubicle, is provided with Switch main body, branch switch in switch cubicle
Controller and for detecting the zero sequence current mutual inductor of zero-sequence current, wherein the input of branch switch controller connects zero sequence electricity
Current transformer, the outfan connecting valve body of branch switch controller, Switch main body connects and has two-winding transformer.
Further, described Switch main body is vacuum circuit breaker.
Central controller, zero-sequence current comparing unit, switch control unit and report it is provided with in branch switch controller
Alert unit；Zero-sequence current comparing unit, switch control unit and alarm unit are all connected to central controller, and zero-sequence current ratio
Relatively unit connects zero sequence current mutual inductor.
Zero-sequence current comparing unit is for carrying out the current value in zero sequence current mutual inductor with current value set in advance
Relatively, when the current value in zero sequence current mutual inductor is different from current value set in advance, notify central control unit；
Switch control unit is according to the instruction "on" position of maintained switch body of central control unit or carries out separating brake；
Alarm unit sends what signal making was correlated with according to the instruction of central control unit to the terminal unit of associated user
Equipment is shown as alarm state.
Described vacuum circuit breaker uses spring operating mechanism.
Being additionally provided with communication module in switch cubicle, this communication module is connected with branch switch controller.
Described communication module is wireless communication module and/or wire communication module；Described wireless communication module and hand-held end
End wireless connections.
Branch switch controller is provided with signal display floater, for showing the various of whole user demarcation switch cabinet system
State.
Including switch and intelligence control system in this utility model, have the function automatically detecting and including, branch is controlled
The electricity consumption situation of branch line user is detected by zero-sequence current detector unit in device processed constantly, and detection data is transferred to
Zero-sequence current comparing unit, detection current value is compared with current value set in advance, works as inspection by zero-sequence current comparing unit
When survey current value is different from current value set in advance, notifying central control unit, central control unit is to switch control unit
Sending instruction, order separating brake immediately, and notify alarm unit, alarm unit sends signal to relevant port.
Owing to this utility model is provided with communication module, letter can be sent by communication module to relevant mobile communication facility
Number, notify that related personnel processes in time.Communication module can send fault message to power department and user simultaneously, can effectively keep away
Responsibility dispute between non-electrical department and user.Wireless communication module in communication module may be connected to mobile terminal, for
Retail users can exempt the laying of corresponding communication cable, reduces operation power expense.
When branch line user occurs earth fault, user demarcation switch cabinet system automatic brake separating, in transformer station and feeder line
Other user is not felt by the generation of fault, will not be affected by there is the linear user of earth fault.
Accompanying drawing explanation
Fig. 1 is electrical power wiring schematic diagram of the present utility model.
Detailed description of the invention
Embodiment 1: with reference to Fig. 1, a kind of user demarcation switch cabinet system, it includes switch cubicle, is provided with in switch cubicle
Switch main body, branch switch controller 2 and for detecting the zero sequence current mutual inductor of zero-sequence current, wherein branch switch controller
Input connect zero sequence current mutual inductor, the outfan connecting valve body of branch switch controller, on Switch main body connect
There is two-winding transformer 1.Described Switch main body is vacuum circuit breaker, and vacuum circuit breaker uses spring operating mechanism.
Central controller, zero-sequence current comparing unit, switch control unit and report it is provided with in branch switch controller
Alert unit；Zero-sequence current comparing unit, switch control unit and alarm unit are all connected to central controller, and zero-sequence current ratio
Relatively unit connects zero sequence current mutual inductor.
Zero-sequence current comparing unit is for carrying out the current value in zero sequence current mutual inductor with current value set in advance
Relatively, when the current value in zero sequence current mutual inductor is different from current value set in advance, notify central control unit；Switch
Control unit is according to the instruction "on" position of maintained switch body of central control unit or carries out separating brake；Alarm unit according in
The instruction of centre control unit sends signal to the terminal unit of associated user and makes the equipment being correlated be shown as alarm state.
In this utility model, in switch cubicle, it is additionally provided with communication module, this communication module and branch switch controller
It is connected；Described communication module includes wireless communication module and wire communication module；Described wireless communication module and handheld terminal
Wireless connections.
Branch switch controller is provided with signal display floater.
Including switch and intelligence control system in this utility model, have the function automatically detecting and including, branch is controlled
The electricity consumption situation of branch line user is detected by zero-sequence current detector unit in device processed constantly, and detection data is transferred to
Zero-sequence current comparing unit, detection current value is compared with current value set in advance, works as inspection by zero-sequence current comparing unit
When survey current value is different from current value set in advance, notifying central control unit, central control unit is to switch control unit
Sending instruction, order separating brake immediately, and notify alarm unit, alarm unit sends signal to relevant port.
Owing to this utility model is provided with communication module, letter can be sent by communication module to relevant mobile communication facility
Number, notify that related personnel processes in time.Communication module can send fault message to power department and user simultaneously, can effectively keep away
Responsibility dispute between non-electrical department and user.Wireless communication module in communication module may be connected to mobile terminal, for
Retail users can exempt the laying of corresponding communication cable, reduces operation power expense.
When branch line user occurs earth fault, user demarcation switch cabinet system automatic brake separating, in transformer station and feeder line
Other user is not felt by the generation of fault, will not be affected by there is the linear user of earth fault.
Claims (7)
1. a user demarcation switch cabinet system, it is characterised in that include switch cubicle, be provided with in switch cubicle Switch main body,
Branch switch controller and for detecting the zero sequence current mutual inductor of zero-sequence current, wherein the input of branch switch controller is even
Connect zero sequence current mutual inductor, the outfan connecting valve body of branch switch controller, Switch main body connects and has double winding to become
Depressor.
User demarcation switch cabinet system the most according to claim 1, it is characterised in that described Switch main body is vacuum circuit breaker
Device.
User demarcation switch cabinet system the most according to claim 1, it is characterised in that arrange in branch switch controller
There are central controller, zero-sequence current comparing unit, switch control unit and alarm unit；Zero-sequence current comparing unit, switch control
Unit processed and alarm unit are all connected to central controller, and zero-sequence current comparing unit connects zero sequence current mutual inductor.
User demarcation switch cabinet system the most according to claim 2, it is characterised in that described vacuum circuit breaker uses spring
Operating mechanism.
User demarcation switch cabinet system the most according to claim 1, it is characterised in that be additionally provided with communication in switch cubicle
Module, this communication module is connected with branch switch controller.
User demarcation switch cabinet system the most according to claim 5, it is characterised in that described communication module is wireless telecommunications
Module and/or wire communication module；Described wireless communication module and handheld terminal wireless connections.
User demarcation switch cabinet system the most according to claim 1, it is characterised in that branch switch controller is provided with letter
Number display floater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491886.9U CN205724866U (en) | 2016-05-26 | 2016-05-26 | A kind of user demarcation switch cabinet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491886.9U CN205724866U (en) | 2016-05-26 | 2016-05-26 | A kind of user demarcation switch cabinet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205724866U true CN205724866U (en) | 2016-11-23 |
Family
ID=57299888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620491886.9U Expired - Fee Related CN205724866U (en) | 2016-05-26 | 2016-05-26 | A kind of user demarcation switch cabinet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205724866U (en) |
-
2016
- 2016-05-26 CN CN201620491886.9U patent/CN205724866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20190526 |