CN102497034A - Smart power grid junction station - Google Patents
Smart power grid junction station Download PDFInfo
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- CN102497034A CN102497034A CN2011104566965A CN201110456696A CN102497034A CN 102497034 A CN102497034 A CN 102497034A CN 2011104566965 A CN2011104566965 A CN 2011104566965A CN 201110456696 A CN201110456696 A CN 201110456696A CN 102497034 A CN102497034 A CN 102497034A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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Abstract
The invention discloses a smart power grid junction station, which comprises a mobile radio unit (MRU) smart junction station measurement and control unit, an automatic sulfur hexafluoride (SF6) load switch, a smart T type plug connector, a wireless transmission module, a video monitoring all-in-one machine, a monitoring camera and a distributed direct current power supply, wherein the automatic SF6 load switch is in circuit connection with the MRU smart junction station measurement and control unit; the smart T type plug connector is connected with the automatic SF6 load switch; the wireless transmission module is in circuit connection with the MRU smart junction station measurement and control unit; the video monitoring all-in-one machine is in circuit connection with the wireless transmission module; and the output end of the monitoring camera is in circuit connection with the video monitoring all-in-one machine. The automatic SF6 load switch monitored by the MRU smart junction station measurement and control unit is adopted, a control instruction is transmitted to the automatic SF6 load switch to turn off or turn on branch cables, and influence on the running of a primary grid in regional overhauling is avoided; cost is saved, switch positions are saved for power transformer substations, the construction of the power transformer substations is reduced, additional nodes are conveniently arranged for the product, and the product is high in extensibility; and the MRU smart junction station measurement and control unit can be replaced by a feeder terminal unit or a distribution terminal unit.
Description
Technical field
The present invention relates to a kind of system of load on-line monitoring, diagnosis and controlled in wireless of the sub power distribution branch cable that inserts through intelligent T type socket cable, be specifically related to a kind of intelligent grid junction.
Background technology
Along with constant development of economy and electric energy are increasing to the influence of people's life; Particularly for the higher city of load density, power supply reliability is even more important, and replaces overhead wire through existing cable; Can effectively improve power supply reliability; Guarantee the continuity of power supply, with the controller switching equipment fault, safeguard that the influence that has a power failure reduces to minimumly, ring main unit and cable branch box are very important key equipments in the looped network operational mode.
But they are all accomplished by manual work in the collection and the control mode of data, and every collection one secondary data all needs the people and removes execute-in-place in person, and this way to manage through manual work has been not suitable for the needs of the development and the operational management of scientific and technological progress.And general cable branch box or ring main unit are the busbar of receiving feeder pillar behind the former supply main cable cutting, connect a same cable from busbar again and take back original place and be connected with the trunk cable of cut-out, like this thickness of cable no matter newly connect load capacity what must be with trunk cables be the same originally; Guarantee the normal operation of original load; So both uneconomical, also not environmental protection of waste material has also increased construction period; Workload is big, inefficiency.
Summary of the invention
The invention provides a kind of intelligent grid junction; Give branch's load the branch power supply that the trunk cable power supply connects entering through intelligent T type connection-peg T; Be convenient to scheduled outage maintenance and stop sending the electricity operation, can use modern distribution monitor automatic technology the junction to be carried out the SCADA and the load management functions such as remote measurement, remote signalling, remote control in local and a distant place simultaneously.
For realizing above-mentioned purpose, the invention provides a kind of intelligent grid junction, be characterized in that this junction comprises:
MRU intelligence junction measurement and control unit;
Automation SF6 on-load switch, its two-way circuit connect MRU intelligence junction measurement and control unit;
Intelligence T type connection-peg, it is through the input of flexible cable band tapered cable plug circuit linking automation SF6 on-load switch;
Wireless transport module, its two-way circuit connect MRU intelligence junction measurement and control unit;
The video monitoring all-in-one, its two-way circuit connects wireless transport module;
Monitoring camera, its circuit of output terminal connects the video monitoring all-in-one,
The distributed DC power supply, its circuit of output terminal linking automation SF6 on-load switch, MRU intelligence junction measurement and control unit, monitoring camera, wireless transport module, video monitoring all-in-one.
Above-mentioned MRU intelligence junction measurement and control unit comprises bus module; And circuit is connected main processing block, signal conversion module, signal on this bus module and opens into module, relay and leave control module and input/output module respectively, and the CPU module that is connected with the main processing block circuit.
Above-mentioned wireless transport module connects remote monitoring center or portable terminal through the GPRS wireless network.
In the several trunk cable of supply station output, each road trunk cable is divided into the several branch cable, and each branch cable connects the electricity consumption district through subscriber station; This junction is arranged on the branch cable between the subscriber station and trunk cable.
This junction also comprises the junction casing, and its inside is divided into higher-pressure region and low pressure management monitored space; Automation SF6 on-load switch is arranged at the higher-pressure region; MRU intelligence junction measurement and control unit, distributed DC power supply, wireless communication module, video monitoring all-in-one are arranged at low pressure management monitored space.
Above-mentioned casing top, junction is provided with support, and monitoring camera is erected on this support.
Intelligent grid of the present invention junction is compared with prior art; Its advantage is; The present invention adopts the automation SF6 on-load switch of MRU intelligence junction measurement and control unit monitoring, to automation SF6 on-load switch sending controling instruction, accomplishes opening circuit or be communicated with branch cable; The branch cable that can open circuit does not separately influence the major network operation when overhauling in the zone;
Coupling part of the present invention adopts the full-shield cable joint to connect, and reduces insulation distance greatly, reliably guarantees personal safety;
Automation SF6 on-load switch of the present invention adopts plug formula joint to be easy to expansion to interim adapted construction aspect, can connect distribution for the user provides T fast; When user's power supply for construction finishes; Only need extract the T earth cable, and silently block former T plug receptacle with special use and get final product, safe, reliable and convenient;
Automation SF6 on-load switch and user that intelligent grid of the present invention junction is passed through are isolated by piezoelectric transformer; Adopt SF6 as arc extinguishing and dielectric; Adopt the operating mechanism simple, reliable, that operand power is little, make the entire mechanism operational torque little, reliable and stable;
The present invention has the various measures that prevent misoperation, and simple and convenient many characteristics such as flexibly are installed, and improves power supply reliability; In electric power system, be used widely; Be applicable to various adverse circumstances (like snowstorm, the multiple district of flood, high pollution district), can save the cost of equipment and cable;
The present invention is provided with monitoring camera, can effectively detect safe in utilization and antitheft;
Wireless transport module of the present invention connects remote monitoring center or portable terminal through the GPRS wireless network; Realize remote monitoring center remote wireless monitoring; Also can pass through mobile terminal monitored intelligent grid junction; SCADA function through wireless communication mode realization distant place remote measurement, remote signalling, remote control, remote viewing also can satisfy the electrical power distribution automatization system functional requirement simultaneously;
Economical with materials of the present invention is practiced thrift the cable work expense, and key is to have practiced thrift the switch position in storehouse for power distribution station, reduces the construction of power distribution station, has reduced urban land, and use in the place of inconvenient urban road excavation, and it is convenient that product increases node, and extensibility is strong;
MRU intelligence of the present invention junction measurement and control unit can also adopt network system intelligence line feed terminals unit or distribution terminal unit to replace.
Description of drawings
Fig. 1 is a kind of structural representation of distributed power supply system;
Fig. 2 is the circuit system module map of intelligent grid of the present invention junction;
Fig. 3 is the circuit module figure of the MRU intelligence junction measurement and control unit of intelligent grid of the present invention junction;
Fig. 4 is the circuit module figure of the wireless communication module of intelligent grid of the present invention junction;
Fig. 5 is the structural representation of intelligent grid of the present invention junction;
The structural representation of the supervisory control system that Fig. 6 is adopted for intelligent grid of the present invention junction.
Embodiment
Below in conjunction with accompanying drawing, specify embodiments of the invention.
As shown in Figure 1, a kind of distributed power supply system structure has adopted T connector in this electric power system structure.It comprises the power plant, with the power supply station that the power plant is connected through cable, and power supply station's output several trunk cable, each trunk cable is provided with some T connectors.Through this T connector; Every road main road cable top set goes out the several branch cable; Every road branch cable circuit connects the input of the disclosed intelligent grid junction of the present invention; The output of this intelligent grid junction connects subscriber station through cable, and the output of subscriber station connects the user area through cable.
Power plant production electric power transfer is to power supply station; The electric power of output 10KV of power supply station or 35KV; Through T connector trunk cable is divided into some branch cables, and electric power is transferred to the subscriber station on each branch cable respectively, subscriber station is depressurized to 380V or 220V with the electricity of 10KV or 35KV; Be delivered to the user area again, commercial power or civilian is provided.On the branch cable before the input of each subscriber station, be provided with intelligent grid of the present invention junction; Power supply station is through wireless telecommunications; Receive the monitor message of intelligent grid junction and the fault message of intelligent grid junction in real time; And send instruction through wireless telecommunications to the intelligent grid junction and carry out remote control, realize each branch road power supply is carried out the SCADA and the load management functions such as remote measurement, remote signalling, remote control in local and a distant place.
As shown in Figure 2, the invention discloses a kind of intelligent grid junction, be applied to urban network reconstruction, be particularly suitable for using in narrow space.This junction comprises MRU intelligence junction measurement and control unit 2; The automation SF6 on-load switch 1 and wireless communication module 5 that are connected with these MRU intelligence junction measurement and control unit 2 two-way circuits respectively; The video monitoring all-in-one 6 that is connected with wireless communication module 5 input networks; The monitoring camera 4 that is connected through the cable circuit with video monitoring all-in-one 6 inputs; The intelligent T type connection-peg 7 that is connected through flexible cable band tapered cable plug circuit with automation SF6 on-load switch 1 input, and distributed DC power supply 3.The output of this distributed DC power supply 3 circuit respectively connects above-mentioned MRU intelligence junction measurement and control unit 2, automation SF6 on-load switch 1, wireless communication module 5 and video monitoring all-in-one 6, for above-mentioned MRU intelligence junction measurement and control unit 2, automation SF6 on-load switch 1, monitoring camera 4, wireless communication module 5 and video monitoring all-in-one 6 provide stable dc power supply.
In the present embodiment; The input of automation SF6 on-load switch 1 connects the branch power supply of power supply station's output through cable circuit; Its output connects follow-up subscriber station through cable circuit, and the full-shield cable joint is adopted in its coupling part with cable, the assurance personal safety.This automation SF6 on-load switch 1 adopts LMG serial gas insulated switch cabinet, the LMG on-load switch that adopts sky, Shanghai spirit switch Co., Ltd to produce in the present embodiment.This LMG series aeration cabinet is to use the miniaturization gas-insulated medium voltage switchgear equipment of new generation that contemporary advanced is designed and developed.Its major function is to carry out divide-shut brake to the power supply of the cable branch that inserts, and plays isolation and combined floodgate and send electricity to give power load.Its each switch cubicle is furnished with independently SF6 gas tank, and its gas tank casing all adopts 3mm import corrosion resistant plate to weld through three-dimensional five laser welding apparatus, and switch element and bus are installed in the gas tank.Every product is all through the check that vacuumizes helium leak check equipment synchronously of import, guarantees that product 30 years is air tight.This product characteristic is: 1, not affected by environment, all electrification in high voltage positions all are sealed in to be filled with in the low-pressure SF6 gas tank, realizes all insulation; 2, modularized design realizes various main electrical schemes by the disparate modules combination, and can form the multiloop switching system according to user's needs conversion compound mode, realizes miniaturization, modularization; 3, adopt the silicon rubber connector, convenient and realize reliably between cabinet and the cabinet machinery be electrically connected; 4, adopt the full-shield cable plug to be connected, and automation SF6 on-load switch 1 all adopt the plug formula to be connected with turnover line cable with turnover line cable; 5, the adapted electrification in high voltage is kept watch on element, integrated digital formula relay; 6, can adopt passive digital relay; 7, two loop wire inlet units can install automatics (like prepared auto restart) additional; 8, remote control and monitoring unit (being intelligent grid load TT&C system) have been disposed.This LMG series switch cabinet is a small-sized module formula switchgear of new generation; Constitute each functional unit and sealing gas tank with switches such as on-load switch, on-load switch one fuse combined electric apparatus, isolating switch-circuit breakers; Its bus can be expanded arbitrarily at left and right directions through bus tie; Be applicable to intermediate distribution system, can put into design according to difference and arrange arbitrarily, accomplish different distribution tasks.
As shown in Figure 3, MRU intelligence junction measurement and control unit 2 is effects such as supervision of the LMG switch being played real-time control and load electric energy.
This MRU intelligence junction measurement and control unit 2 comprises bus module 22; And circuit is connected main processing block 21, signal conversion module 22, signal on the bus module 22 and opens into module 23, relay and leave control module 24 and input/output module 25 respectively, and the CPU module 26 that is connected with main processing block 21 circuit.MRU intelligence junction measurement and control unit 2 also comprises power module, and it is opened respectively at above-mentioned bus module 22, main processing block 21, signal conversion module 22, signal and leaves control module 24, input/output module 25 and CPU module 26 into module 23, relay power supply is provided.
CPU module 26 adopts CPU board; It is general plate; Be used to expand the interfaces such as I/O signal, CAN, SCI and bus of dsp board, realize that the signal of relay is left, the YX signal open into; And the mode of RS232 and RS232/485 and CAN communication interface, can realize the transmission of remote signal optical cable if insert the optical communication converter.Include in the CPU module 26 that 4 relays are left signal and 8 road YX signals are left.
Bus module 27 adopts bus B US plate; This bus B US plate is accomplished main processing block 21 and is connected with electric loop between each functional module (signal conversion module 22, signal are opened module 23, relay is left control module 24 and input/output module 25), and it adopts the high reliability of " Harding " connector assurance interface.
Signal conversion module 22 adopts alternating current sampling circuit (AC plate); It is general plate; It accomplishes the signal converting function of multichannel TV, TA, and two sub-values that are about to TV, TA convert the signal that CPU can accept into, and the different voltages with different range can be realized through different current-limiting resistances.Different current ranges can be realized through different secondary current instrument transformers.
Signal is opened into module 23 and is adopted remote signalling circuit (YX plate), and it accomplishes 8 the tunnel will believe collection, and per 8 the tunnel will open into a shared common port by letter, open into power supply adopt DC24V or 48V and 220V, can realize through inner corresponding wire jumper between them.
Relay is left control module 24 and is adopted remote control circuit (YK plate), and it accomplishes the control of leaving of relay, and it is externally left often to open sky node mode, and corresponding HZ, TZ, COM be combined floodgate, separating brake and the common port of corresponding every group of switch respectively.
Input/output module 25 adopts display circuit (DISP plate), and it comprises the driving of button input and liquid crystal output.
Power module accomplish power supply input value device inside chip+5V ,+/-power source conversion of 12V, the voltage input can be DC 48 V, DC24V or AC220V/DC220V and AC110V/DC110V,, realize through welding different power modules onboard.
MRU intelligence junction measurement and control unit 2 can electric parameter such as the electric current of load, voltage, frequency, power factor, meritorious, idle electric degree and switch running status, real-time information collections such as cutter state, cable grounding fault alarm state and on deliver to the remote dispatching automation there of local backstage power budget management system or electric power system.The local power budget management system of configuration has backstage real-time management (SCADA functions such as remote measurement, remote signalling, remote control, remote regulating), simultaneously load is carried out the statistical management (like voltage, load off-limit alarm etc.) of information such as historical data and switching manipulation record and is in time handled it by administrative staff.Electric energy metrical to power load plays the examination supervisory role simultaneously, prevents the generation of user's electricity filching behavior.
When practical implementation needed, MRU intelligence junction measurement and control unit 2 also can replace through configuration power distribution automation device, and this power distribution automation device can adopt the line feed terminals unit F TU or the distribution terminal cells D TU of standard configuration in the present network system.
Video monitoring all-in-one 6 is visual plants of whole system; It has born two big functions of vision signal processing and video Data Transmission; What adopt in the present embodiment is to go up the embedded network video server (CL-1000) that starfish justice computer science and technology Co., Ltd produces, and host CPU adopts embedded MPU processor, and video frequency processing chip adopts dsp processor; Video compression standard adopts MPEG4, and it possesses following characteristics:
1, the arrowband mobile video is watched live telecast or video recording in real time.
2, the video actions investigation function (VMD) of 3 kinds of monitoring reaction susceptibilitys is established in choosing, reduces person on duty's visual fatigue, and accident or abnormal conditions prevent loss.
3, select the sensitization time section, delimit to video investigation function and keep under strict control the high-risk period of incident.
4, the visual alarm incident is confirmed (AVV) and alarm and reminding function.
5, the difference of different video format standard is used for live transmission, video recording.
6, support to connect wireless camera and double-directional speech conversation.
7, adopt circulation video recording and hard-disk capacity to distribute the pattern that combines.
8, imprinting video pictures and sound simultaneously during live video.
9, the dedicated proxies server is set, shortens video transmission path.
10, support GPS positioning function and suitable four kinds of maps.
11, input pickup and output transducer.
Monitoring camera 4 can adopt all analog video cameras at present, can fully freely select video camera according to the actual requirements.The factor that the selection of this monitoring camera 4 mainly need be considered has: the colour of cradle head control function, video camera or infrared function; The illumination of video camera, definition, automatic gain control, AWB, BLC etc. recommend to use the camera of selecting 1/3 above CCD chip.In the installation of monitoring camera 4, need consider artifical influence factor and on-the-spot condition of power supply, simultaneously monitoring camera 4 need be taked measures such as rainproof, dustproof, lightning protection, night vision.Monitoring camera 4 is the situation at place, monitoring junction in real time; And image information transferred to video monitoring all-in-one 6; Be sent to higher level's remote monitoring center by video monitoring all-in-one 6 through wireless communication module 5, higher level's remote monitoring center can be a supply station in the present embodiment.
In the present embodiment, the LXUP intelligent power that distributed DC power supply 3 adopts Xiamen Lanxi Technology Co., Ltd to produce, this LXUP intelligent power adopts the digitlization power technology, has high reliability, miniaturization, intellectuality, environmental protection etc.It mainly is for following functional unit provides back-up operation power supply: MRU intelligence junction measurement and control unit 2, automation SF6 on-load switch 1, monitoring camera 4, wireless communication module 5 and video monitoring all-in-one 6 etc. high-quality reliable reserve DC power supply to be provided.
This distributed DC power supply 3 is gone back circuit and is connected the lithium battery power storage system, and the lithium battery power storage system is adopted the auto charge and discharge administrative skill, can prolong the useful life of storage battery greatly.This power supply has the operating temperature range of broad, can season oneself to cold thermally to distinguish with height.It also possesses telecommunication and automatic warning function, can realize the automatic management in unattended duty power station easily, has realized reliable intelligent automatic management, and is really non-maintaining.
This distributed DC power supply 3 is gone back circuit and is connected with a background computer, and this distributed DC power supply 3 moves information such as comprising fault can be through giving the background computer system in the RS232 communication, and operating personnel monitor through this background computer and safeguard.
As shown in Figure 4, SRAM&FLASH module, clock module and system reset module that wireless communication module 5 comprises the ARM9 flush bonding module, is connected with this ARM9 flush bonding module two-way circuit respectively.This wireless communication module 5 also includes GPRS/CDMA/EVDO/WCDMA/TD-SCDMA module and RS232/RS485 transceiver module, and wherein GPRS/CDMA/EVDO/WCDMA/TD-SCDMA module two-way circuit is connected with antenna and interface module and UIM interface module.RS232/RS485 transceiver module two-way circuit is connected with Subscriber Interface Module SIM, and the output of this Subscriber Interface Module SIM is also distinguished circuit and connected secondary power supply module and system reset module.ARM9 flush bonding module, GPRS/CDMA/EVDO/WCDMA/TD-SCDMA module and RS232/RS485 transceiver module also all circuit be connected indicating lamp module.
Wireless communication module 5 realizes that through GPRS intelligent grid junction and remote monitoring center (the remote monitoring center is a supply station in the present embodiment) realization are to the real time monitoring information of load and the transmission of control command.Be provided with the SIM cards of mobile phones of commmunication company in the wireless communication module 5; Simultaneously because intelligent junction cabinet has certain model shielding; Therefore the antenna of wireless communication module 5 is drawn through feeder line; Circuit connects a sucked type antenna, and this sucked type antenna is fixed on the cabinet outside of intelligent junction machine, so that the intensity of wireless signal to be provided.
Wireless communication module 5 can be applied to complicated external environment condition; Usually the excursion of power supply is all bigger; For the complicated applied environment of good self adaptation; The job stability of raising system has adopted advanced power technology, and power supply is directly supplied with by distributed DC power supply 3 (outside LXUP-CT power supply).Because wireless communication module 5 is with base station exchange information the time, immediate current change very fast and peak current very greatly, therefore high to the requirement of externally fed.Wireless communication module 5 supports+7 ~+the 32VDC power supply, ripple is less than 300mV; Standard recommanded practice 9V (12V) DC/500mA power supply.
Wireless communication module 5 is connected with MRU intelligence junction measurement and control unit 2 two-way circuits through the RS485 interface, and MRU intelligence junction measurement and control unit 2 passes to wireless communication module 5 in real time with monitor data; Wireless communication module 5 also is connected with video monitoring all-in-one 6 through Ethernet, and video monitoring all-in-one 6 transfers to video monitoring all-in-one 6 with video monitoring information in real time.Wireless communication module 5 is equipped with the SIM cards of mobile phones of commmunication company, through TD-SCDMA or EDGE or GPRS network acquisition dynamic IP addressing, and connects the Internet network, carries out the wireless transmission of monitoring information.In the present embodiment; Wireless communication module 5 carries out wireless telecommunications with higher level's remote monitoring center (being supply station); The remote monitoring center is provided with monitoring central server; This monitoring central server disposes a fixing public network IP, and wireless communication module 5 sends monitor data through the IP address and setting port numbers of this monitoring central server of visit to this monitoring central server.
As shown in Figure 5, the intelligent grid junction is provided with a junction casing, and this junction casing adopts stainless steel to process, and is provided with anti-thunderbolt measure.This junction box house is divided into higher-pressure region and low pressure management monitored space.Wherein, automation SF6 on-load switch 1 steadily is arranged in the higher-pressure region.MRU intelligence junction measurement and control unit 2, distributed DC power supply 3, wireless communication module 5, video monitoring all-in-one 6 all are arranged in the low pressure management monitored space of junction casing.Video monitoring all-in-one 6 belongs to portable equipment, does not therefore need the configuring fixed support, only the analog bracket that is used to place video monitoring all-in-one 6 need be installed in advance in the subscriber station cabinet.On the top of junction casing, be provided with a support, monitoring camera 4 is fixed on this support.Also has a lightning rod simultaneously on this support, because the junction casing is that metal is processed, so the lightning rod that connects the camera support outward through case can be realized anti-thunderbolt measure.Intelligence T type connection-peg 7 is arranged on outside the casing of junction, and it is connected with automation SF6 on-load switch 1 circuit.The junction casing guarantees that the intelligent grid junction can be temperature-40 ℃～75 ℃, and the environment of relative humidity 5%～100% is operation down.
As shown in Figure 6, the structural representation of the supervisory control system that the intelligent grid junction is adopted in the present embodiment.The supervisory control system of intelligent grid junction is a typical layered distribution type system, adopts the three-layer equipment network architecture, and this supervisory control system comprises Surveillance center's station level, Communication Layer and on-the-spot wall three-layer equipment, gets in touch through wireless communication networks between two-layer.On-the-spot wall comprises video monitoring and power monitoring, and it is installed concentratedly on the spot in the intelligent grid junction, and Communication Layer equipment is made up of GPRS module and China Mobile's GPRS network, and Surveillance center's station level is made up of remote monitoring center and background computer thereof.
Surveillance center's station level adopts the remote monitoring center of power supply station in the present embodiment, and the mobile video monitor platform.
Wherein this Surveillance center comprises equipment such as local background management system, LXUP back-up source.The man-machine interface interface of operation in the station is provided, realizes functions such as management control Communication Layer, bay device, can implement four distant (remote measurement, remote control, remote signalling, remote regulating) function the intelligent grid junction that is put in a distant place.
The mobile video monitor platform comprises acting server, divides streaming server, backup server and system monitoring.The mobile video monitor platform is through GPRS wireless connections portable terminal, through portable terminal to intelligent grid video monitoring that the junction carries out.
Communication Layer is made up of equipment such as GPRS module and wireless communication networks, realizes functions such as communication between Surveillance center's station level and the on-the-spot bay device, management control interval layer equipment, and can communicate by letter with remote dispatching center, collection control center.Transmission protocol is IEC60870-5-101,104 or CDT etc.
On-the-spot wall comprises MRU intelligence junction measurement and control unit 2, monitoring camera 4 in the present embodiment, and video monitoring all-in-one 6.This MRU intelligence junction measurement and control unit 2, monitoring camera 4, and video monitoring all-in-one 6 is installed concentratedly in the intelligent grid junction.MRU intelligence junction measurement and control unit 2 connects wireless communication module 5 through the RS485 circuit; Monitoring camera 4 circuit connect video monitoring all-in-one 6, and video monitoring all-in-one 6 connects wireless communication module 5 through Ethernet.2 couples of automation SF6 of MRU intelligence junction measurement and control unit on-load switch 1 is measured in real time and is controlled.Monitoring camera 4 is monitored the situation around the intelligent grid junction with video monitoring all-in-one 6 in real time.Each at interval monitoring unit independent mutually, do not interact.Under the situation of Communication Layer and network failure, still can independently accomplish the monitoring function on the spot of equipment at interval.
MRU intelligence junction measurement and control unit 2 real-time monitoring automation SF6 on-load switches 1, this monitor message is transferred to wireless communication module 5 through RS485 or RS232 communication.Wireless communication module 5 is with the remote monitoring center (Surveillance center station level) of this monitor message through GPRS wireless network transmissions to the power supply station of Communication Layer.Equally, can also (for example: mobile phone) be sent to portable terminal through the GPRS wireless network of Communication Layer.The remote monitoring center can be according to the Monitoring Data that receives; The needs that perhaps open circuit or be communicated with according to concrete branch cable; Assign control command; And being sent to the intelligent grid junction through the GPRS wireless network, wireless communication module 5 transfers to MRU intelligence junction measurement and control unit 2 after receiving command informations, carries out the switch control of branch cable by 2 couples of automation SF6 of MRU intelligence junction measurement and control unit on-load switch 1.
In addition, monitoring camera 4 transfers to video monitoring all-in-one 6 with video monitoring information, and video monitoring all-in-one 6 is sent to wireless communication module 5 through network with video information again.Wireless communication module 5 is with the remote monitoring center (Surveillance center station level) of this monitor message through GPRS wireless network transmissions to the power supply station of Communication Layer.Equally, can also (for example: mobile phone) be sent to portable terminal through the GPRS wireless network of Communication Layer.
Equally; The user can be through mobile phone or remote monitoring center PC monitor video at any time; When the user through portable terminal to the mobile video monitor platform send accept video request after, platform can be according to user's authority and request, the video monitoring all-in-one 6 of automated wireless connection of intelligent electrical network junction; Video monitoring all-in-one 6 with monitoring camera 4 monitor the video monitoring signal digitlization and the compression after; Through the TD-SCDMA/EDGE/GPRS network, be sent to the mobile video monitor platform, the mobile video monitor platform redispatches information to each portable terminal.
Although content of the present invention has been done detailed introduction through above-mentioned preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited appended claim.
Claims (6)
1. an intelligent grid junction is characterized in that, this junction comprises:
MRU intelligence junction measurement and control unit (2);
Automation SF6 on-load switch (1), its two-way circuit connect described MRU intelligence junction measurement and control unit (2);
Intelligence T type connection-peg (7), it is through the input of flexible cable band tapered cable plug circuit linking automation SF6 on-load switch (1);
Wireless transport module (5), its two-way circuit connect described MRU intelligence junction measurement and control unit (2);
Video monitoring all-in-one (6), its two-way circuit connect described wireless transport module (5);
Monitoring camera (4), its circuit of output terminal connect described video monitoring all-in-one (6); And distributed DC power supply (3), its circuit of output terminal connect described automation SF6 on-load switch (1), MRU intelligence junction measurement and control unit (2), monitoring camera (4), wireless transport module (5), video monitoring all-in-one (6).
2. intelligent grid as claimed in claim 1 junction; It is characterized in that; Described MRU intelligence junction measurement and control unit (2) comprises bus module (27); And circuit is connected main processing block (21), signal conversion module (22), signal on this bus module (27) and opens into module (23), relay and leave control module (24) and input/output module (25) respectively, and the CPU module (26) that is connected with said main processing block (21) circuit.
3. intelligent grid as claimed in claim 1 junction is characterized in that, described wireless transport module (5) connects remote monitoring center or portable terminal through the GPRS wireless network.
4. intelligent grid as claimed in claim 1 junction is characterized in that, in the several trunk cable of supply station output, each road trunk cable is divided into the several branch cable, and each branch cable connects the electricity consumption district through subscriber station; This junction is arranged on the branch cable between the subscriber station and trunk cable.
5. intelligent grid as claimed in claim 1 junction is characterized in that this junction also comprises the junction casing, and its inside is divided into higher-pressure region and low pressure management monitored space; Said automation SF6 on-load switch (1) is arranged at the higher-pressure region; MRU intelligence junction measurement and control unit (2), distributed DC power supply (3), wireless communication module (5), video monitoring all-in-one (6) are arranged at low pressure management monitored space.
6. intelligent grid as claimed in claim 4 junction is characterized in that, casing top, described junction is provided with support, and monitoring camera (4) is erected on this support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110456696.5A CN102497034B (en) | 2011-12-31 | 2011-12-31 | Smart power grid junction station |
Applications Claiming Priority (1)
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| CN201110456696.5A CN102497034B (en) | 2011-12-31 | 2011-12-31 | Smart power grid junction station |
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| CN102981102A (en) * | 2012-11-14 | 2013-03-20 | 天津市翔晟远电力设备实业有限公司 | Novel ring main unit state monitoring system |
| CN103308796A (en) * | 2013-05-23 | 2013-09-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | System capable of guaranteeing parameter test work safety of ac/dc (alternating current/direct current) transmission line |
| CN104734363A (en) * | 2015-04-14 | 2015-06-24 | 合肥工业大学 | Internet of things based high- and low-voltage switchgear system |
| CN105939063A (en) * | 2016-07-06 | 2016-09-14 | 河北箱变电器有限公司 | Data transmission system for power equipment |
| CN105958648A (en) * | 2016-06-14 | 2016-09-21 | 国网山东省电力公司青岛供电公司 | Feeder terminal system |
| CN106026402A (en) * | 2016-07-06 | 2016-10-12 | 河北箱变电器有限公司 | Power device fault solution scheme system |
| CN106226656A (en) * | 2016-08-30 | 2016-12-14 | 上海萌烨电力科技有限公司 | Distribution network line monitors fault location system in real time |
| CN106713445A (en) * | 2016-12-20 | 2017-05-24 | 国网江西省电力公司信息通信分公司 | Intelligent mobile working platform |
| CN110311469A (en) * | 2019-08-05 | 2019-10-08 | 云南电网有限责任公司电力科学研究院 | A kind of power distribution automation intelligent FTU |
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| CN102981102A (en) * | 2012-11-14 | 2013-03-20 | 天津市翔晟远电力设备实业有限公司 | Novel ring main unit state monitoring system |
| CN103308796A (en) * | 2013-05-23 | 2013-09-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | System capable of guaranteeing parameter test work safety of ac/dc (alternating current/direct current) transmission line |
| CN104734363A (en) * | 2015-04-14 | 2015-06-24 | 合肥工业大学 | Internet of things based high- and low-voltage switchgear system |
| CN105958648A (en) * | 2016-06-14 | 2016-09-21 | 国网山东省电力公司青岛供电公司 | Feeder terminal system |
| CN105939063A (en) * | 2016-07-06 | 2016-09-14 | 河北箱变电器有限公司 | Data transmission system for power equipment |
| CN106026402A (en) * | 2016-07-06 | 2016-10-12 | 河北箱变电器有限公司 | Power device fault solution scheme system |
| CN106226656A (en) * | 2016-08-30 | 2016-12-14 | 上海萌烨电力科技有限公司 | Distribution network line monitors fault location system in real time |
| CN106713445A (en) * | 2016-12-20 | 2017-05-24 | 国网江西省电力公司信息通信分公司 | Intelligent mobile working platform |
| CN106713445B (en) * | 2016-12-20 | 2019-12-13 | 国网江西省电力公司信息通信分公司 | Intelligent movement operation platform |
| CN110311469A (en) * | 2019-08-05 | 2019-10-08 | 云南电网有限责任公司电力科学研究院 | A kind of power distribution automation intelligent FTU |
| CN110311469B (en) * | 2019-08-05 | 2023-07-07 | 云南电网有限责任公司电力科学研究院 | Distribution automation intelligent feeder terminal |
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