CN108833246A - A kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional - Google Patents
A kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional Download PDFInfo
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- CN108833246A CN108833246A CN201810483692.8A CN201810483692A CN108833246A CN 108833246 A CN108833246 A CN 108833246A CN 201810483692 A CN201810483692 A CN 201810483692A CN 108833246 A CN108833246 A CN 108833246A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
Abstract
The invention discloses a kind of Crossed Circle network topology structures that electric power scheduling automatization system is trans-regional, including monitoring computer, Tandem Gateway and substation, it is in communication with each other between the monitoring computer, Tandem Gateway and substation by two-stage RS485 ring bus, the monitoring computer includes power conversion module, charge control module, control of discharge module, voltage detection module, sound and light alarm module and MCU, when parsing slave computer node transmission fault alarm, warning message is shown on liquid crystal display, and starts sound and light alarm module；Node fails to send back data frame in the regular hour, then prompts exception by timer, and related personnel is reminded to check；It monitors the energy-storage property of battery and guarantees that the availability of battery is crucial.Cell voltage can be detected at any time by control command, can also monthly be inspected periodically every year.
Description
Technical field
The present invention relates to power scheduling technical field, specially a kind of Crossed Circle that electric power scheduling automatization system is trans-regional
Network topology structure.
Background technique
United Dispatching, principle of administration by different levels are carried out in domestic operation of power networks, and scheduling institution is divided into state, net, province and district, county
Pyatyi, scheduling institutions at different levels configure independent dispatch automated system.Two systems realize power grid production by data forwarding
Data sharing.
With the development of power dispatching automation technology, the ground independently built, county's dispatch automated system are difficult to adapt to send out
The demand of exhibition.In order to realize the shared of the resources such as data, technology, equipment, save manpower maintenance, system Construction and operation etc. at
This, improves the reliability of system, wide-area distribution type of new generation county's integration dispatch automated system be obtained widely
Using, and reach its maturity.
Wide-area distribution type county's integration dispatch automated system by several private communication data network channels,
Area's dispatch automated system and the county's tune automated system for being distributed in different physical locations carry out wide area Long-range links, are allowed to logic
It is upper to become a set of dispatch automated system, realize data resource, technical resource, device resource it is shared, save manpower maintenance at
This and system Construction cost improve the reliability of dispatch automated system, realize long-distance disaster with it is spare, adapt to big electrical secondary system
Management integration, and then the management change for power grid primary system provides technical support.
Such as application No. is the Chinese patents of CN201010524578.9, and it discloses in a kind of electric power scheduling automatization system
Trans-regional Crossed Circle network topology structure, it is mainly used in trans-regional dispatch automated system, it is characterised in that：It is each
Two interchangers, respectively No.1 interchanger and No. two interchangers, No.1 interchanger and No. two interchangers point are respectively set in region
It not being interconnected with the No.1 interchanger in two neighboring region, No. two interchangers, the No.1 interchanger of each region forms a loop,
No. two interchangers form another loop, while also interconnecting between two interchangers in each region.The present invention meets power scheduling
Automate double-network redundant and the spare demand of disaster tolerance.It can reach and construct flexible, saving cost.
But above scheme has the following disadvantages：
1, it lacks the power supply device under emergency rating, be easy to cause equipment under case of emergency that can not work, causes inconvenient for use；
2, lack the devices such as detection, alarm, be unfavorable for the safe operation of equipment.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of power dispatching automation proposed
The trans-regional Crossed Circle network topology structure of system.
To achieve the above object, the present invention provides the following technical solutions：
A kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional, including monitoring computer, Tandem Gateway
And substation, phase intercommunication is carried out by two-stage RS485 ring bus between the monitoring computer, Tandem Gateway and substation
Letter, the monitoring computer includes power conversion module, charge control module, control of discharge module, voltage detection module, acousto-optic
Alarm module and MCU, the MCU are connected separately in power conversion module, charge control module, control of discharge module, electricity
Pressure detection module and sound and light alarm module, the monitoring computer issue all control commands, pass through first order bus loop
It is transmitted to Tandem Gateway, then each substation is transferred to by second level bus loop network by Tandem Gateway, substation executes
After order, the second level is passed sequentially through, first order loop returns to implementing result.
Preferably, the Tandem Gateway needs 3 serial ports, is responsible for for 1 receiving monitoring computer command and substation
With feedback after the finish message of Tandem Gateway itself, other two serial ports just forms loop main website, and 1 responsible transmission, 1 negative
Duty receives, and loop broken string occurs, then both can be used as transmission.
Preferably, the MCU is used as control chip using the single-chip microcontroller STC12C5A32S2 of two serial ports, different with 2
The external RAM of the 1024B of serial interface UART, the internal RAM of 1 synchronous serial interface SPI, 256B, and extension is walked, also
The EEPROM of 28KB.
Preferably, under main electricity condition, working power is obtained by alternating current；Under emergency rating, mentioned by included battery
For working power.
Preferably, the Tandem Gateway can inquire the loop substation state by usual sampling and formulation lamps and lanterns,
When being communicated with slave computer node, first node ID will be sent and function code and their data item there are also check codes to be formed
Data frame, be sent on first node by RS-485 bus, become reception state later, received first node and send
The data frame that comes over simultaneously is parsed；When parsing slave computer node transmission fault alarm, warning message is shown in liquid crystal
On display screen, and start sound and light alarm module.
Preferably, node fails to send back data frame in the regular hour, then abnormal, prompting correlation is prompted by timer
Personnel check；Do not occur warning message, then poll next node again.
Compared with prior art, the beneficial effects of the invention are as follows：Under main electricity condition, working power is obtained by alternating current；
Under emergency rating, working power is provided by included battery；Tandem Gateway can be looked by usual sampling and formulation lamps and lanterns
The loop substation state is ask, when communicating with slave computer node, first node ID will be sent and function code and their number
According to item, there are also check codes to be formed by data frame, is sent on first node by RS-485 bus, becomes receiving shape later
State receives the data frame that first node sends over and is parsed；When parsing slave computer node transmission fault alarm,
Warning message is shown on liquid crystal display, and starts sound and light alarm module；Node fails to send back number in the regular hour
According to frame, then exception is prompted by timer, related personnel is reminded to check；Do not occur warning message, then poll is next again
Node；Under emergency rating, each substation of central power supply system and all Tandem Gateways dedicated are answered from same
Urgent telegram source acquisition working power, and the battery that the working power of autonomous power supply system is included by each substation or Tandem Gateway
Battery provides.Therefore, it monitors the energy-storage property of battery and guarantees that the availability of battery is crucial.It can be with by control command
Cell voltage is detected at any time, can also monthly be inspected periodically every year.
Detailed description of the invention
Fig. 1 is Crossed Circle network topology structure schematic diagram of the present invention；
Fig. 2 is present invention monitoring computer schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2,：
A kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional, including monitoring computer, Tandem Gateway
And substation, phase intercommunication is carried out by two-stage RS485 ring bus between the monitoring computer, Tandem Gateway and substation
Letter, the monitoring computer includes power conversion module, charge control module, control of discharge module, voltage detection module, acousto-optic
Alarm module and MCU, the MCU are connected separately in power conversion module, charge control module, control of discharge module, electricity
Pressure detection module and sound and light alarm module, the monitoring computer issue all control commands, pass through first order bus loop
It is transmitted to Tandem Gateway, then each substation is transferred to by second level bus loop network by Tandem Gateway, substation executes
After order, the second level is passed sequentially through, first order loop returns to implementing result.
The Tandem Gateway needs 3 serial ports, is responsible for for 1 receiving monitoring computer command and substation and trunk network
Closing feedback after the finish message of itself, other two serial ports just forms loop main website, 1 responsible transmission, 1 responsible reception,
There is loop broken string, then both can be used as transmission.
The MCU, as control chip, there are 2 asynchronous serials to connect using the single-chip microcontroller STC12C5A32S2 of two serial ports
The external RAM of the 1024B of mouth UART, the internal RAM of 1 synchronous serial interface SPI, 256B, and extension, there are also 28KB's
EEPROM。
Under main electricity condition, working power is obtained by alternating current；Under emergency rating, work electricity is provided by included battery
Source.
The Tandem Gateway can inquire the loop substation state by usual sampling and formulation lamps and lanterns, with slave computer
When node communicates, will send first node ID and function code and their data item there are also check codes to be formed by data
Frame is sent on first node by RS-485 bus, becomes reception state later, receives what first node sended over
Data frame is simultaneously parsed；When parsing slave computer node transmission fault alarm, warning message is shown in liquid crystal display
On, and start sound and light alarm module.
Node fails to send back data frame in the regular hour, then prompted by timer it is abnormal, remind related personnel into
Row checks；Do not occur warning message, then poll next node again.
Under emergency rating, each substation of central power supply system and all Tandem Gateways are from same dedicated
Emergency power supply acquisition working power, and the electric power storage that the working power of autonomous power supply system is included by each substation or Tandem Gateway
Pond battery provides.Therefore, it monitors the energy-storage property of battery and guarantees that the availability of battery is crucial.It can by control command
To detect cell voltage at any time by voltage detection module, can also monthly inspect periodically every year.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional, including monitoring computer, trunk network
Pass and substation carry out phase intercommunication by two-stage RS485 ring bus between the monitoring computer, Tandem Gateway and substation
Letter, it is characterised in that：The monitoring computer includes power conversion module, charge control module, control of discharge module, voltage inspection
Module, sound and light alarm module and MCU, the MCU is surveyed to be connected separately in power conversion module, charge control module, electric discharge
Control module, voltage detection module and sound and light alarm module, the monitoring computer issue all control commands, pass through first
Grade bus loop is transmitted to Tandem Gateway, then is transferred to each substation by second level bus loop network by Tandem Gateway,
After substation executes order, the second level is passed sequentially through, first order loop returns to implementing result.
2. a kind of trans-regional Crossed Circle network topology structure of electric power scheduling automatization system according to claim 1,
It is characterized in that：The Tandem Gateway needs 3 serial ports, is responsible for for 1 receiving monitoring computer command and substation and relaying
Feedback after the finish message of gateway itself, other two serial ports just form loop main website, and 1 responsible transmission, 1 is responsible for connecing
It receives, loop broken string occurs, then both can be used as transmission.
3. a kind of trans-regional Crossed Circle network topology structure of electric power scheduling automatization system according to claim 1,
It is characterized in that：The MCU, as control chip, has 2 asynchronous serials using the single-chip microcontroller STC12C5A32S2 of two serial ports
The external RAM of the 1024B of interface UART, the internal RAM of 1 synchronous serial interface SPI, 256B, and extension, there are also 28KB's
EEPROM。
4. a kind of trans-regional Crossed Circle network topology structure of electric power scheduling automatization system according to claim 1,
It is characterized in that：Under main electricity condition, working power is obtained by alternating current；Under emergency rating, work is provided by included battery
Power supply.
5. a kind of trans-regional Crossed Circle network topology structure of electric power scheduling automatization system according to claim 1,
It is characterized in that：The Tandem Gateway can inquire the loop substation state by usual sampling and formulation lamps and lanterns, with bottom
When machine node communicates, will send first node ID and function code and their data item there are also check codes to be formed by data
Frame is sent on first node by RS-485 bus, becomes reception state later, receives what first node sended over
Data frame is simultaneously parsed；When parsing slave computer node transmission fault alarm, warning message is shown in liquid crystal display
On, and start sound and light alarm module.
6. a kind of trans-regional Crossed Circle network topology structure of electric power scheduling automatization system according to claim 5,
It is characterized in that：Node fails to send back data frame in the regular hour, then prompted by timer it is abnormal, remind related personnel into
Row checks；Do not occur warning message, then poll next node again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810483692.8A CN108833246A (en) | 2018-05-19 | 2018-05-19 | A kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional |
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| CN201810483692.8A CN108833246A (en) | 2018-05-19 | 2018-05-19 | A kind of Crossed Circle network topology structure that electric power scheduling automatization system is trans-regional |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115001898A (en) * | 2022-05-07 | 2022-09-02 | 通号城市轨道交通技术有限公司 | Network equipment redundant communication system and method |
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| CN104715596A (en) * | 2014-12-30 | 2015-06-17 | 国家电网公司 | Method for transmitting data in transformer station |
| CN205829291U (en) * | 2016-07-27 | 2016-12-21 | 杭州凯畅电力技术有限公司 | The system of a kind of RS485 data acquisition looped network equipment and power supply circuits |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715596A (en) * | 2014-12-30 | 2015-06-17 | 国家电网公司 | Method for transmitting data in transformer station |
| CN205829291U (en) * | 2016-07-27 | 2016-12-21 | 杭州凯畅电力技术有限公司 | The system of a kind of RS485 data acquisition looped network equipment and power supply circuits |
Non-Patent Citations (1)
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| CN115001898A (en) * | 2022-05-07 | 2022-09-02 | 通号城市轨道交通技术有限公司 | Network equipment redundant communication system and method |
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Application publication date: 20181116 |