CN108336823A - A kind of high security Intelligent power distribution terminal system - Google Patents
A kind of high security Intelligent power distribution terminal system Download PDFInfo
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- CN108336823A CN108336823A CN201810188855.XA CN201810188855A CN108336823A CN 108336823 A CN108336823 A CN 108336823A CN 201810188855 A CN201810188855 A CN 201810188855A CN 108336823 A CN108336823 A CN 108336823A
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- China
- Prior art keywords
- power distribution
- intelligent power
- high security
- remote control
- distribution terminal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of high security Intelligent power distribution terminal systems, including：Multiple DTU Intelligent power distribution terminals and distribution remote control terminal, the distribution remote control terminal receives the real time data information that the DTU Intelligent power distribution terminals are sent and is monitored to it, and the DTU Intelligent power distribution terminals include that the MCU in two-layer equation cabinet inside, polylith telemetering plate, polylith remote control panel, polylith remote signalling plate, monitoring device and supply unit is arranged.Through the above way, high security Intelligent power distribution terminal system of the present invention, real time data on power distribution network is acquired by three distant modes and it is handled and is analyzed, to enable distribution remote control terminal to monitor online carry out situation at any time and make decisions, has many advantages, such as unfailing performance height, registration, compact-sized, efficient, safe.
Description
Technical field
The present invention relates to distribution measuring and controlling fields, more particularly to a kind of high security Intelligent power distribution terminal system
System.
Background technology
When short trouble occurs for traditional cable-type distribution line, generally by substation feeder outlet breaker protection act
Tripping, and by manually cutting off failure after, restore electricity, under this mode, the maintenance of personnel is big, and power off time is long,
Power supply reliability is low, the DTU based on voltage-time type, is to realize the automatic recovery of failure by constantly overlapping, but cable
In type feeder line, excessive reclosing can cause cable bad to accelerate, and cause shocking damage to transformer, rely solely on reclosing
The DTU of voltage-time type is not suitable for cable-type circuit.
Invention content
The invention mainly solves the technical problem of providing a kind of high security Intelligent power distribution terminal systems.
In order to solve the above technical problems, one aspect of the present invention is：
A kind of high security Intelligent power distribution terminal system, a kind of high security Intelligent power distribution terminal system are provided, which is characterized in that
Including：Multiple DTU Intelligent power distribution terminals and distribution remote control terminal, the distribution remote control terminal receive the DTU and intelligently match
The real time data information of electric terminals transmission is simultaneously monitored it, and the DTU Intelligent power distribution terminals include being arranged in two-layer equation machine
MCU, polylith telemetering plate, polylith remote control panel, polylith remote signalling plate, monitoring device inside case and supply unit, the cabinet inside
Be arranged for setup parameter, protect the memory of definite value and logout, MCU respectively with polylith telemetering plate, polylith remote control panel, more
Block remote signalling plate, monitoring device and supply unit are electrically connected, setting RJ45 interfaces, RS232 interface and RS485 interfaces on MCU,
MCU acquisitions telemetering plate, remote signalling plate, monitoring device and supply unit data information and send control information to remote control panel, it is distant
Drafting board acquires the alternating voltage inputted, electric current and the alternating voltage of acquisition, electric current is passed through filter and number/analog-converted
It is stored after device in memory, remote control panel includes multicircuit relay, and remote control panel carries out relay by receiving MCU command informations
The operation of separating brake or combined floodgate, remote signalling plate are used to acquire the real time status information for electrical component of power supply system, the power supply
Device includes AC power and DC power supply.
In a preferred embodiment of the present invention, the cabinet includes outer box body and interior box body, and outer box body is close
The stainless steel babinet closed, interior box body are aluminium section bar babinet.
In a preferred embodiment of the present invention, the memory preserve in set period of time all analog input amounts and
The data of quantity of state input quantity, cycle covering.
In a preferred embodiment of the present invention, the monitoring device includes temperature sensor, humidity sensor and gas
Sensor.
In a preferred embodiment of the present invention, the DTU Intelligent power distribution terminals pass through optical fiber telecommunications system or GPRS
Wireless system is communicated with distribution remote control terminal.
In a preferred embodiment of the present invention, the DC power supply is lead-acid batteries.
In a preferred embodiment of the present invention, the real time status information includes that switch closes position signal, a switch point position is believed
Number, earthing knife-switch position signal, energy storing of switch signal, protection signal, abnormal signal, battery low-voltage signal and pressure alarm.
In a preferred embodiment of the present invention, the remote signalling plate is according to the priority of the real time status information being previously set
Carry out data transmission to MCU.
In a preferred embodiment of the present invention, the DTU Intelligent power distribution terminals use the chip card of CANBUS buses.
In a preferred embodiment of the present invention, anti-lightning strike protective device is set on the cabinet.
The beneficial effects of the invention are as follows：A kind of high security Intelligent power distribution terminal system is provided, is acquired by three distant modes
On power distribution network real time data and it is handled and is analyzed, to enable distribution remote control terminal to monitor online progress at any time
Situation simultaneously makes decisions, and has many advantages, such as unfailing performance height, registration, compact-sized, efficient, safe.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the layout structure schematic diagram of one preferred embodiment of high security Intelligent power distribution terminal system of the present invention；
Fig. 2 is the structural schematic diagram of one preferred embodiment of DTU Intelligent power distribution terminals of the present invention.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
It please refers to Fig.1 to Fig. 2, the embodiment of the present invention includes：
A kind of high security Intelligent power distribution terminal system, a kind of high security Intelligent power distribution terminal system, which is characterized in that packet
It includes：Multiple DTU Intelligent power distribution terminals and distribution remote control terminal, the distribution remote control terminal receive the DTU intelligent power distributions
The real time data information of terminal transmission is simultaneously monitored it, and DTU Intelligent power distribution terminals pass through optical fiber telecommunications system or GPRS
Wireless system is communicated with distribution remote control terminal, and the DTU Intelligent power distribution terminals include being arranged inside two-layer equation cabinet 1
MCU5, polylith telemetering plate 2, polylith remote control panel 3, polylith remote signalling plate 4, monitoring device 7 and supply unit 6, DTU intelligent power distributions are whole
End is using the communication between each module of intelligent bus real-time performance of CANBUS buses.
The outer box body of two-layer equation cabinet 1 is rain-proof, the stainless steel of sealed dust-tight or galvanized sheet sealed cabinet, protection etc.
Grade is IP54, and interior box body can be embedded directly and be set mounted on other using 6U, 19 inch standard Aluminium Case of half
Anti-lightning strike protective device is set in standby host cabinet, on cabinet.
It is defeated to preserve all analog quantitys for setup parameter, the memory of protection definite value and logout for 1 inside setting of cabinet
Enter 3 months data of amount and quantity of state input quantity, cycle covering.
MCU5 is electric with polylith telemetering plate 2, polylith remote control panel 3, polylith remote signalling plate 4, monitoring device 7 and supply unit 6 respectively
Property connection, setting RJ45 interfaces, RS232 interface, RS485 interfaces, 2 Ethernet interfaces, 4 serial ports on MCU5 can extend
To 7, MCU5 acquires the data information of telemetering plate 2, remote signalling plate 3, monitoring device 7 and supply unit 6 and sends control information
To remote control panel 4.
Telemetering plate 2 acquires the alternating voltage inputted, electric current and the alternating voltage of acquisition, electric current is passed through filter sum number
It is stored after word/analog converter in memory, a data, acquisition multi-line three-phase alternating voltage, electricity is acquired every 20ms
Stream realizes the measurement of voltage, electric current, active power, reactive power, power factor, frequency, further includes direct current sampling, and acquisition is straight
Flow realizes the measurement of DC voltage.
Remote control panel 3 include multicircuit relay, remote control panel 3 by receive MCU command informations to relay carry out separating brake or
The operation of combined floodgate acquires and transmits various protections and switching value information, RS232, RS485 interface, Ke Yitong is arranged on remote control panel 3
It crosses CAN bus or Ethernet carries out data transmission.
Remote signalling plate 4 is used to acquire the real time status information for electrical component of power supply system, and contact output capacity is
AC250V, 10A or DC28V, 10A, DC48V, 8A resistive load, access AC220V, DC24V, DC48V switching control mechanism return
Road, it is 0.5 second that output time, which can be arranged, in remote signalling plate, and a variety of communication protocols built in communication board are, it can be achieved that different station equipment
Access, including：Fault detector, protective device, multifunctional meter, low pressure instrument etc., real time status information include that switch closes position letter
Number, switch divide position signal, earthing knife-switch position signal, energy storing of switch signal, protection signal, abnormal signal, battery low-voltage letter
Number and pressure alarm, remote signalling plate 4 carries out data transmission according to the priority for the real time status information being previously set to MCU5.
Monitoring device 7 includes temperature sensor, humidity sensor and gas sensor, and the environment for detection device is joined
Number, if fault message, can be sent to MCU5, fault message is sent to distribution and remotely controlled by MCU5 by detection abnormal failure data
End processed.
The supply unit 6 includes AC power and DC power supply, and DC power supply is lead-acid batteries, and DTU intelligently matches
Electric terminals use dual power supply, and still sustainable work after the power loss of side usually gives DTU Intelligent power distribution terminals by main power source
Power supply, while battery float is given, it being battery powered after bilateral source dead electricity, DTU Intelligent power distribution terminals can work on 24 hours,
Low-voltage is set on battery and alerts protective device, automatic maintaining device, battery maintenance life is issued by MCU before the deadline
It enabling, battery starts to discharge, and when battery low-voltage is automatically stopped electric discharge, automatically switches to be powered by main power source, and charge a battery,
Battery charging uses modified constant-voltage charge, it is ensured that safety, alternating voltage：AC22OV ± 20%, frequency：50Hz ± 5%, harmonic content
Less than 5%, DC voltage：DC24V/48V±20%；Ripple coefficient is less than 5%, and accumulator is optional：12V × 2,6.5AH；Power failure work
Make 24 hours.
High security Intelligent power distribution terminal of the present invention system uses Digital Signal Processing, multi -CPU integrated technology, high speed
The industrial network communication technology, using embedded real-time multi-task operating system, stability is strong, reliability is high, real-time is good, adapts to
Environment is wide, powerful, is that a kind of feeder line of new generation integrating the functions such as telemetering, remote signalling, remote control, protection and communication is automatic
Change terminal unit device, be suitable for city, rural area, enterprise power distribution network automation engineering, complete ring main unit, on-pole switch prison
Depending on, the automation functions such as control and protect and communicate, the normal monitoring and event of distribution line are realized in cooperation with electronic station, main website
Barrier identification, isolation and restoring power supply in non-broken-down section.
The advantageous effect of high security Intelligent power distribution terminal system of the present invention is：It is whole to provide a kind of high security intelligent power distribution
End system acquires real time data on power distribution network by three distant modes and it is handled and is analyzed, to make distribution remotely control
End processed can monitor online carry out situation and make decisions have unfailing performance height, registration, compact-sized, efficiency at any time
The advantages that high, safe.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of high security Intelligent power distribution terminal system, which is characterized in that including：Multiple DTU Intelligent power distribution terminals and distribution
Remote control terminal, the distribution remote control terminal receive the real time data information that the DTU Intelligent power distribution terminals are sent and to them
It is monitored, the DTU Intelligent power distribution terminals include MCU, polylith telemetering plate, the polylith remote control being arranged in two-layer equation cabinet inside
Plate, polylith remote signalling plate, monitoring device and supply unit, the cabinet inside setting is for setup parameter, protection definite value and event
The memory of record, MCU are electrical with polylith telemetering plate, polylith remote control panel, polylith remote signalling plate, monitoring device and supply unit respectively
It connects, setting RJ45 interfaces, RS232 interface and RS485 interfaces, MCU acquire telemetering plate, remote signalling plate, monitoring device and electricity on MCU
The data information of source device and send control information to remote control panel, the alternating voltage of telemetering plate acquisition input, electric current and will
By being stored in memory after filter and digital/analog converter, remote control panel includes multichannel for the alternating voltage of acquisition, electric current
Relay, remote control panel carry out relay by receiving MCU command informations the operation of separating brake or combined floodgate, and remote signalling plate is for acquiring
The real time status information for electrical component of power supply system, the supply unit include AC power and DC power supply.
2. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the cabinet includes
Outer box body and interior box body, outer box body are closed stainless steel babinet, and interior box body is aluminium section bar babinet.
3. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the memory is protected
Deposit the data of all analog input amounts and quantity of state input quantity in set period of time, cycle covering.
4. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the monitoring device
Including temperature sensor, humidity sensor and gas sensor.
5. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the DTU intelligence
Distribution terminal is communicated by optical fiber telecommunications system or GPRS wireless systems with distribution remote control terminal.
6. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the DC power supply
For lead-acid batteries.
7. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the real-time status
Information includes that switch closes position signal, switch divides position signal, earthing knife-switch position signal, energy storing of switch signal, protection signal, exception
Signal, battery low-voltage signal and pressure alarm.
8. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the remote signalling plate root
Priority according to the real time status information being previously set carries out data transmission to MCU.
9. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that the DTU intelligence
Distribution terminal uses the chip card of CANBUS buses.
10. a kind of high security Intelligent power distribution terminal system according to claim 1, which is characterized in that on the cabinet
Anti-lightning strike protective device is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188855.XA CN108336823A (en) | 2018-03-08 | 2018-03-08 | A kind of high security Intelligent power distribution terminal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188855.XA CN108336823A (en) | 2018-03-08 | 2018-03-08 | A kind of high security Intelligent power distribution terminal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108336823A true CN108336823A (en) | 2018-07-27 |
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ID=62930385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188855.XA Pending CN108336823A (en) | 2018-03-08 | 2018-03-08 | A kind of high security Intelligent power distribution terminal system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958140A (en) * | 2018-10-15 | 2018-12-07 | 杭州电力设备制造有限公司 | A kind of ring network cabinet DTU |
| CN110989461A (en) * | 2019-12-24 | 2020-04-10 | 科大智能电气技术有限公司 | Distribution automation terminal and alternating current sampling extensible method thereof |
Citations (2)
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| CN102324791A (en) * | 2011-09-29 | 2012-01-18 | 珠海许继电气有限公司 | Remote comprehensive maintenance system for distribution network |
| CN202435131U (en) * | 2011-12-06 | 2012-09-12 | 广州市智昊电气技术有限公司 | Power distribution automation terminal |
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2018
- 2018-03-08 CN CN201810188855.XA patent/CN108336823A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324791A (en) * | 2011-09-29 | 2012-01-18 | 珠海许继电气有限公司 | Remote comprehensive maintenance system for distribution network |
| CN202435131U (en) * | 2011-12-06 | 2012-09-12 | 广州市智昊电气技术有限公司 | Power distribution automation terminal |
Non-Patent Citations (1)
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| ZHIHAOELEC: "配电自动化终端DTU", 《百度文库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108958140A (en) * | 2018-10-15 | 2018-12-07 | 杭州电力设备制造有限公司 | A kind of ring network cabinet DTU |
| CN110989461A (en) * | 2019-12-24 | 2020-04-10 | 科大智能电气技术有限公司 | Distribution automation terminal and alternating current sampling extensible method thereof |
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Application publication date: 20180727 |