Power distribution automation line feed terminals based on data/address bus and its network
Technical field
The present invention relates to a kind of power distribution automation line feed terminals, more particularly, to a kind of power distribution automation based on data/address bus
Line feed terminals and its network.
Background technology
Traditional line feed terminals (ftu) adopt in-wall mounting, need to take power distribution station, the space resources of switching station;And
And between high-tension switch cabinet and ftu, need special control cable, control cable union joint and ct connecting line to be attached, these ftu
With the connecting line of switch cubicle, installing these connecting lines needs to expend substantial amounts of labour force and time;Operating power distribution network at present
Often steal phenomenon in equipment, and control cable often becomes one of stolen target, once control cable is stolen, will cause ftu no
Method realizes a distant place/remote control on the spot, the safe and stable operation of impact power distribution network.
Traditional line feed terminals are using complete machine structure design, by the observing and controlling for obtaining each parameter information of feeder line therein
Module and for process each parameter information communication management module unification connected by link after be installed in same feeder line
In terminal cabinet, when scene increases new feeder switch, need through loaded down with trivial details wiring or change whole Feeder Terminal Unit
Just enable new feeder line to access, motility is inadequate, poor expandability, and cannot realize the distribution of hardware module and software module
Formula is installed and is managed, and realizes the line feed terminals distribution of maneuverability.
Content of the invention
The invention provides a kind of power distribution automation line feed terminals based on data/address bus and its network, which overcome background
The deficiencies in the prior art described in technology.
The present invention solves one of technical scheme being adopted of its technical problem:
Based on the power distribution automation line feed terminals of data/address bus, it include at least one be used for gathering feeder line electric parameter data and
The control module and being used for of execution control command gathers, monitors, manage in this control module data and send number to main station system
The communication management module of the order issuing according to this and to detection and control terminal forwarding main station system, has data in this communication management module
Input service unit, data/address bus, data processing service unit, data output service unit, this data input service unit, number
By this data/address bus and its bus communication stipulations landform can be followed according to processing between service unit data output service unit
Data interaction is become to connect, this control module is connected with data input serving cell data, this data output service unit and main website
System data connects.
Among one embodiment: also include being the power management of this control module and communication management module offer working power
Module, this power management module includes double alternating current power supplys, and enables the power switching between double alternating current power supplys.
Among one embodiment: this data output service unit has function: sends information to main station system;Receive and process
What main station system sent orders and is transmitted to this data processing service unit;
This data processing service unit has a function: receiving data input the real time data of service unit and collect, process,
Preserve;Send real time data to data output service unit, man-machine interface service unit;Receiving data output service unit sends
Order;Telemetering Data Processing;Remote signalling data is processed;Remote-control data is processed;
This data input service unit has function: provides communication protocol adaptation services;Receive the data of each control module
And sent to data processing service unit by bus;Receiving data process service unit send to order and be handed down to correspondence
Control module.
Among one embodiment: also include management configuration module, this communication management module also has man-machine interaction service unit,
This man-machine interaction service can be by this data/address bus and data input service unit, data processing service unit data output clothes
Business unit between formed data interaction connect, this man-machine interaction service unit can also with management configuration module carry out data communication with
Realize the configuration to this communication management module.
Among one embodiment: this line feed terminals includes multiple control modules, the plurality of control module is all installed in same cabinet
In vivo.
Among one embodiment: this line feed terminals includes multiple control modules, the plurality of control module is installed in difference respectively
In cabinet.
What the present invention solved the technical scheme being adopted of its technical problem two is:
Based on the power distribution automation line feed terminals network of data/address bus, it has multiple such as any one of Claims 1-4
The described power distribution automation line feed terminals based on data/address bus it is characterised in that: between the plurality of line feed terminals pass through data
Bus connects and is formed a bus network, is communicated by following bus communication stipulations between the plurality of line feed terminals.
Among one embodiment: this line feed terminals can as the one of this bus network increase newly bus node, by with network in
Each node is set up communication connection and is realized grid-connected, if there is bus node a in bus network, this line feed terminals is as this bus network
The newly-increased bus node c of the one of network, it is set up, with bus node a, the method being connected and includes:
Step 11, node c broadcast;
Step 12, when there is not node c in network registry table, begins setting up the unidirectional connection of node a and c;
Step 13, after connection establishment success, node a sends synchronization request message to node c;
Step 14, after node c receives synchronization request message, adds node a and sets up unidirectional connection with node a;
Step 15, node c sends confirmation of synchronization information to node a;
Step 16, the service that node a is registered to node c sending node a in local node after receiving confirmation of synchronization information
Information.
Among one embodiment: this arbitrary service unit in this bus network using before must carry out to local bus node
Registration, and log-on message is synchronized to by the whole network other node by local bus node, its registration process includes:
Step 21, starts described arbitrary service unit, submits log-on message to bus;
Step 22, local bus node judges whether this service unit is registered in local node;If unregistered, update this
The registration table of ground bus node simultaneously initializes this service unit information, and then execution step 23;
Step 23, according to network topology structure, local bus node sends registration table to other bus nodes and updates message;
Step 24, other bus node registration tablies update.
Among one embodiment: this arbitrary service unit use in this bus network is followed: service registry → service is looked into
Look for → service the process of use, be provided with a service unit in described arbitrary service unit and b service unit, it is using inclusion:
Step 31, a service unit and b service unit are registered to bus respectively;
Step 32, bus respectively returns log-on message to a service unit and b service unit;
Step 33, a service unit searches b service unit to bus request;
Step 34, bus returns b service unit information to a service unit;
Step 35, a service unit uses b service unit to bus request and a service unit passes through bus to b service unit
Send data;
Step 37, b service unit receives the data of a service unit transmission and by bus to a service unit return information.
Among one embodiment: should be located between the data input service unit in the line feed terminals at different bus node,
Active-standby switch can be constituted between data processing service unit, between data output service unit respectively use and/or equally loaded
Use.
Compared with background technology, it has the advantage that the technical program
Include control module and communication management module based on the power distribution automation line feed terminals of data/address bus, this control module
This communication management module of data cube computation, this communication management module data cube computation main station system and management setup module, the plurality of feedback
Can be connected by bus between line terminal and be incorporated to bus network with by way of increasing node, form a shared bus network
Network, all by following bus communication stipulations between each service unit in this line feed terminals and between multiple line feed terminals
Communicated.Active-standby switch can be constituted respectively between each service unit in this line feed terminals at different bus node makes
With and/or equally loaded use;When having multiple control modules in this line feed terminals, the plurality of control module can be respectively placed in not
In same electric power cabinet body, also it is placed in same electric power cabinet body;This line feed terminals is made to realize flexible system deployment and function expansion
Exhibition, can increase or decrease control module as needed, realize software module and the distributed of hardware module is installed and used and managed,
Line feed terminals are divided in modules installing and switch cubicle, without the connection of the control wiring such as cable of distance, reduces cost,
Guarantee this line feed terminals reliability service.
Brief description
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 depicts the hardware configuration of the power distribution automation line feed terminals based on the data/address bus arrangement in cabinet and illustrates
Figure.
Fig. 2 depicts overall system architecture and the data flow figure of the power distribution automation line feed terminals based on data/address bus.
Fig. 3 depicts the node type network connection schematic diagram of the power distribution automation line feed terminals network based on data/address bus.
The step that in the bus network that Fig. 4 depicts in the present embodiment, newly-increased node c is connected with bus node a and b foundation
Figure.
Fig. 5 depicts register flow path figure in bus for the service unit described in the present embodiment.
Fig. 6 depicts the employment mechanism block diagram of the service unit described in the present embodiment.
Fig. 7 depicts in the software distribution application described in the present embodiment, and each service unit is all installed in same feedback
Schematic diagram in line terminal.
Fig. 8 depicts in the software distribution application described in the present embodiment, the feeder line that should be located at different bus node
Form the schematic diagram that active-standby switch uses and/or equally loaded uses between the service unit of terminal
Fig. 9 depicts in the hardware distribution formula application described in the present embodiment, control module in this line feed terminals and logical
Letter management module is placed in the schematic diagram in same electric power cabinet body.
Figure 10 depicts in the hardware distribution formula application described in the present embodiment, the plurality of control module and telecommunication management mould
Block is respectively placed in the schematic diagram in different electric power cabinet bodies.
Specific embodiment
Refer to Fig. 1 and Fig. 2, based on the power distribution automation line feed terminals of data/address bus, it includes at least one control module
10th, communication management module 20, power management module 30 and management configuration module 40, this control module 10 this communication tube of data cube computation
Reason module, this communication management module 20 data cube computation main station system and management configuration module 40, this control module 10 is used for gathering
Feeder line electric parameter data and execution control command, this communication management module 20 is used for gathering, monitors, manages in this control module 10
Data simultaneously sends data to main station system 50 and forwards the order that issues of main station system 50, this power management to detection and control terminal 10
Module 30 can provide working power for this control module 10 and communication management module 20 and this power management module 30 includes double cross
Stream power supply, and enable the power switching between double alternating current power supplys.This management configuration module 40 is used for this communication tube of configuration management
Reason module 20.
There is in this communication management module 20 data input service unit, data/address bus 25, data processing service unit, number
According to output service unit and man-machine interaction service unit 24, this data input service unit, data processing service unit 2, man-machine
By this data/address bus 25 and its bus communication stipulations can be followed between interactive service unit 14 data output service unit 13
Ground forms data interaction and connects, and this control module 10 is connected with data input serving cell data, this data output service unit
With main station system 50 data cube computation, this man-machine interaction service unit 24 and management configuration module 40 data communication are to realize this is led to
The configuration of letter management module 20.Wherein, each service unit is software service unit, they be carried on this communication management module this
On one hardware development platform.
This data/address bus 25 is the core of each serving cell data communication, and it has following function: in management bus network
Each node;Each service unit registration, lookup, use, cancellation in responsible bus network;Balance the load of each bus node;
This data output service unit 23 has a following function: according to the data forwarding table being configured to main station system 50
Send corresponding information;Receive and process main station system 50 transmission order (remote control, pair when etc. order) and be transmitted to this data processing
Service unit;
This data processing service unit has following function: receiving data inputs the real time data of service unit 21 and converges
Always, process, preserve;Send real time data to data output service unit 23, man-machine interface service unit 24;Receiving data exports
Service unit 23 send order (remote control, pair when etc. order);Telemetering Data Processing, enters row coefficient, skew to telemetry receiving value
Revise, judge whether out-of-limit, periodic recording is maximum and/or minima, configuration cycle event etc.;Remote signalling data is processed, to remote signalling
Reception value is made whether to negate correction, displacement record, displacement cumulative frequency record, remote recording, configuration type of alarm etc.;Remote control
Data processing, remote control conditional judgment, remote control logout etc.;
This data input service unit 21 has following function: provides communication protocol adaptation services;Receive each control module
10 data is simultaneously sent to data processing service unit by bus;Receiving data process service unit send to order (distant
Control, pair when etc. order), this command process can be converted into Standards Code frame and be handed down to corresponding control module 10;
This man-machine interface service unit 24 has following function: provides configuration interface service for communication management module 20;Obtain
Take real time data;Check historical record, system journal;Execution remote control, pair when etc. order;Obtain the parameter of all service units;
Allow parameter is modified;Realize the whole network time adjustment function.
Refer to Fig. 3, can be connected by data/address bus between the plurality of line feed terminals and form a bus network, this feeder line
Terminal can be incorporated to this bus network in the form of increasing bus node, by following bus communication rule between the plurality of line feed terminals
About communicated, this line feed terminals increases bus node newly as the one of this bus network, by building respectively with node each in network
Vertical communication connection is realized grid-connected.
Refer to Fig. 4, setting tool has the bus node a of this bus network, this line feed terminals is one new as this bus network
Increase bus node c, it is set up, with bus node a, the method being connected and comprises the steps:
Step 11, node c broadcast opt_hello;
Step 12, when there is not node c in network registry table (do not exist in network the address of node c, machine name,
The information such as group), begin setting up the unidirectional connection conntcpserv of node a and c;
Step 13, after connection establishment success, node a sends synchronization request message opt_conn_syn (containing local to node c
Nodal information);
Step 14, after node c receives synchronization request message opt_conn_syn, add node a and with node a set up unidirectional
Connect;
Step 15, node c sends confirmation of synchronization information opt_conn_syn_ack to node a;
Step 16, node a receives after confirmation of synchronization information opt_conn_syn_ack to node c sending node a local
The information on services that node is registered.
In the same manner, the communication connection step of other nodes such as node b in bus node c and bus network is with node c and section
The Connection Step of point a.
Refer to Fig. 5, the data input service unit in the communication management module of this line feed terminals, data processing service list
Arbitrary service unit in unit, data output service unit and man-machine interaction service unit is in this bus network using front necessary
Registered to local bus node, and log-on message is synchronized to by the whole network other node by local bus node;Its registration
Process includes:
Step 21, starts described arbitrary service unit, to bus submit to log-on message (include service name, type,
Group, active and standby, whether load balancing, the information such as allow to access);
Step 22, local bus node judges whether this service unit is registered in local node;If registered, to bus
Registering unit returns error message, if unregistered, the registration table of local bus node updates local bus node simultaneously initializes this
Service unit information, and then execution step 23;
Step 23, according to network topology structure, local bus node sends registration table to other bus nodes and updates message;
Step 24, other bus node registration tablies update.
Refer to Fig. 6, the data input service unit in the communication management module of this line feed terminals, data processing service list
Use in this bus network for the arbitrary service unit in unit, data output service unit and man-machine interaction service unit is abided by
Follow: the process that service registry → service search → service uses, it is provided with a service unit in described arbitrary service unit and b clothes
Business unit, it uses and comprises the following steps:
Step 31, a service unit and b service unit are registered to bus respectively;
Step 32, bus respectively returns log-on message to a service unit and b service unit;
Step 33, a service unit searches b service unit to bus request;
Step 34, bus returns b service unit information to a service unit;
Step 35, a service unit uses b service unit to bus request and a service unit passes through bus to b service unit
Send data;
Step 37, b service unit receives the data of a service unit transmission and by bus to a service unit return information.
Of the present invention based on the power distribution automation line feed terminals of data/address bus be capable of on software and hardware point
Cloth is applied:
Distributed Application on software is divided into following two situations:
(1) refer to Fig. 7, this each service unit being installed in the same line feed terminals of local bus node (includes number
According to input service unit 21, data processing service unit, data output service unit 23, man-machine interaction service unit 24 and other
Service unit) by the information exchange between the realization of this data/address bus 25 and the data with control module 10 and main station system 50
Connect interaction.
(2) refer to Fig. 8, the service unit that should be located in each line feed terminals of different bus node (includes data input
Service unit 21, data processing service unit, data output service unit 23, man-machine interaction service unit 24 and other services are single
Unit) between by data/address bus 25 realize information exchange and can each constitute active-standby switch using and/or equally loaded use.Example
As when the data output service unit 23 in a certain line feed terminals is with main station system 50 communication overload, presented by another
The data output service unit 23 sharing data output of line terminal, realizes load balancing;At the data of a certain line feed terminals
When reason service unit breaks down, the data processing service unit of another line feed terminals automatically engages, to ensure multiple stage feeder line
Terminal can keep normally using, and realize active-standby switch and use.
Distributed Application on hardware is divided into following two situations:
(1) refer to Fig. 9, when there is multiple control module 10 in this line feed terminals, can be by this line feed terminals
Multiple control modules 10 are placed in same electric power cabinet body.
(2) refer to Figure 10, when there is multiple control module 10 in this line feed terminals, can be by the plurality of control module
10 can be respectively placed in different electric power cabinet bodies, for example, multiple control modules 10 are installed in respectively and need the different high of measurement
Compress switch in cabinet, and this communication management module 20 and power management module 30 are placed in communication cabinet.
The above, only present pre-ferred embodiments, therefore can not limit according to this present invention enforcement scope, that is, according to
Equivalence changes and modification that the scope of the claims of the present invention and description are made, all should still belong in the range of the present invention covers.