CN104320462B - The configurable information collecting method of smart grid-oriented and electric network information acquisition terminal - Google Patents
The configurable information collecting method of smart grid-oriented and electric network information acquisition terminal Download PDFInfo
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- CN104320462B CN104320462B CN201410582146.1A CN201410582146A CN104320462B CN 104320462 B CN104320462 B CN 104320462B CN 201410582146 A CN201410582146 A CN 201410582146A CN 104320462 B CN104320462 B CN 104320462B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 51
- 239000000523 sample Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 241000894007 species Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- 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
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/04—Protocols specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A kind of configurable information collecting method of smart grid-oriented, interface protocol is set, define the channel number and numbering of each interface protocol, sensor is set on each described passage and numbered, define the sample bytes number of each sensor and number, parameter configuration is realized using Hardware Description Language VHDL.The electric network information acquisition terminal that a kind of configurable information collecting method of use smart grid-oriented is built.The present invention can be configurable so as to realize reconstruct by changing parameter progress level Four according to the sensor characteristics and application requirement connected, and special purpose interface connected mode can be achieved and bus shares connected mode.And there is provided communication, support single communication mode mode of operation and communication and use mode of operation.The parameter requests such as consideration cost, performance, reliability can be taken into account, with very strong flexibility, intelligent grid are particularly suitable for use in, the technical barrier that the features such as solving huge terminal quantity and isomery is brought.
Description
Technical field
The present invention relates to power system device technical field, more specifically, more particularly to a kind of smart grid-oriented
Configurable information collecting method and a kind of electric network information acquisition terminal.
Background technology
The sensor network of intelligent grid possesses compared with traditional power network：Digitized degree is high, has more sensors to connect
Connect more assets and equipment；More intelligentized Data Integration system and collection system；The more ability of Analysis of Policy Making, foundation
The data of collection carry out correlation analysis, the features such as carrying out optimization operation and manage.Therefore, in traditional power network be applicable theory and
Technology encounters technical bottleneck in intelligent grid.
The level of intelligence of intelligent grid needs substantial amounts of information collecting device to support, and result in difference using variation
Equipment there is heterogeneous characteristic.
(1) quantitative aspects
The parts, their temperature such as a large amount of T nodes (from bus to branch line), switch contact, insulator are included in intelligent grid
The parameters such as degree, dielectric level are all related to the normal operation of power network, along with running status of electrical equipment etc. is required for carrying out
Detection in real time, this is accomplished by sensor of the number in terms of necessarily and is arranged on electric line, and the number of sensor is traditional power network
It can not compare.
(2) in terms of heterogeneous characteristic
1st, status of electric power information gathering
Power equipment is broadly divided into generating equipment and the major class of power supply unit two.Generating equipment mainly includes station boiler, steamed
Steam turbine, gas turbine, the hydraulic turbine, generator, transformer etc..Power supply unit mainly includes the power transmission line of various voltage class
Road, transformer, contactor etc..
2nd, power circuit environment information acquisition
The distance of trees and vegetation and power circuit near the install sensor on transmission line of electricity, monitoring wire corridor, this
A little data help to predict the failure that may occur and schedule job personnel to the place that may occur accident.
3rd, user profile acquisition terminal
In order to grasp detailed customer charge situation, it is necessary to gather more power network real-time running datas.User's stoichiometric number
According to mainly including：
1. ac analog：Including voltage, electric current, active power, reactive power, power factor etc.；
2. the out-of-limit statistics of the quality of power supply：Including voltage, electric current, power, power factor, harmonic wave etc.；
3. electric energy data：Including total electric energy indicating value, each rate electric energy indicating value, total electric flux, each rate electric flux, maximum
Requirement etc.；
4. event log data：The event log data recorded including terminal and electric energy meter；
5. floor data：Work information including acquisition terminal and measuring equipment；
6. other data：Including taking control information etc..
Information acquisition terminal carries out particular design for different applications in traditional power network, when the equipment changing of application scenario
Or, it is necessary to change hardware circuit or communication protocol during upgrading, or even redesign, cause very flexible；Needed in intelligent grid
The information acquisition terminal more more than traditional power network realizes Informational support, using the information acquisition terminal point of customization can cause compared with
High development cost and later maintenance cost.
The content of the invention
In view of this, believe the invention provides a kind of configurable information collecting method of smart grid-oriented and a kind of power network
Acquisition terminal is ceased, to solve the above problems.
To achieve the above object, the present invention provides following technical scheme：
A kind of configurable information collecting method of smart grid-oriented,
Interface protocol is set, and the span of the species number of the interface protocol is defined as 1 to NP, NP is nature
Number, the consensus standard of interface protocol each described is numbered：P1, P2... ..., PNP；
The span for defining the channel number of each interface protocol is 1 to NI, and NI is natural number, to described in each
Sub-interface number under interface protocol passage is numbered：I1, I2... ..., INI；
Sensor is set on each described passage, and the span of number of probes is 1 to NS, and NS is natural number, right
The number of the sensor is numbered：S1, S2... ..., SNS；
The span for defining the sample bytes number of each sensor is 1 to NB, and NB is natural number, to sample bytes
Number is numbered：B1, B2... ..., BNB；
Using Pi、Ij、Sk、BmRepresent the attribute information of the sensor；
Setting：NP≤8、NI≤8、NS≤8、NB≤8；
Model is set up using Hardware Description Language VHDL and parameter configuration is realized.
Preferably, by configuring the parameter of acquisition terminal, system inner sensor is total to using stand-alone interface mode or bus
Connected mode is enjoyed to be attached.
Present invention also offers a kind of electric network information acquisition terminal, according to the sensor characteristics and application demand connected,
Interface protocol, the port number under interface protocol, the number for connecting sensor and each biography are carried out to information acquisition terminal
The sample bytes number of sensor is independently defined, and stand-alone interface connected mode can be achieved or bus shares connected mode；
Using four kinds of communication modes：1. communication；2. power line communication mode；3. fiber optic communication mode；④IP
Network communication mode, supports single communication mode mode of operation and communication and uses mode of operation；
Configurable information collecting method, multi-communication mode agreement and relevant control work(are realized with VHDL hardware description languages
Can, the FPGA for completing information acquisition terminal is realized, required sensor is shared into connected mode using stand-alone interface mode or bus
Information acquisition terminal is connected to, and applied in intelligent grid.
The information acquisition terminal that the present invention is provided can be joined according to the sensor characteristics and application requirement connected by changing
Several level Four that carried out to information acquisition terminal are configurable so as to realize reconstruct, and sensor special purpose interface connected mode and bus can be achieved
Shared connected mode.And there is provided communication, support single communication mode mode of operation and communication to be used in combination
Mode of operation, can conveniently be transplanted to the occasion using different communication mode.Information acquisition terminal can take into account consideration cost, property
The parameter requests such as energy, reliability, with very strong flexibility, are particularly suitable for use in intelligent grid, solve number of terminals in intelligent grid
The technical barrier that the features such as measuring huge and isomery is brought.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the letter constructed by the configurable information collecting method based on smart grid-oriented in an embodiment of the present invention
Cease the hierarchical chart of acquisition terminal.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is the configurable information collecting method based on smart grid-oriented in an embodiment of the present invention
The hierarchical chart of constructed information acquisition terminal.
The present invention is especially set out in order to solve the problem of intelligent grid information acquisition terminal quantity is more, heterogeneous characteristic is brought
A kind of configurable sensor network information acquisition terminal configured according to concrete application and method, are carried by this method
The design of confession, it is possible to achieve use same hardware circuit, by changing configuration parameter, can easily realize structural remodeling,
Need not change hardware circuit realize intelligent grid information acquisition system it is expansible, can reduce, the requirement of plug and play, simultaneously
By using the mode of different communication expansion board different communication way choice can be realized on key plate.
The present invention can realize that level Four can configure：1. interface protocol：The species of configuration protocol standard, can be configured to SPI associations
View, I2C agreements, CAN agreement；2. the number of channels of interface protocol：Configure the channel number of every kind of consensus standard；3. passage
Number of sensors：Configure the number of probes of each passage；4. the sample bytes number of sensor：Configure adopting for each sensor
Sample byte number.
The present invention is also equipped with 4 kinds of communication modes, including：1. communication；2. power line communication mode 3. light
Fiber communication mode 4. IP network communication mode.
The multicast communication modes combination that the present invention is supported has：
(1) single communication pattern, four kinds of optional one of communication mode；Can apply needs the occasion of different communication mode.
(2) it is a variety of to communicate and use pattern, select two or more communication mode therein；Plurality of communication schemes
Advantage can be by the reliability that alternate channel realizes communication.
Mode combinations are controlled by communication pattern selection control unit.The unit just has 2 layers of selection function, selects first
Communication pattern, then according to communication pattern, selects communication mode.
The mainboard of information acquisition terminal is that 4 kinds of different communication modes are provided with special purpose interface, can be according to different uses
Occasion, selects different communication extension plates, realizes different communication modes and communication pattern.
In the configurable information collecting method of smart grid-oriented, it is necessary first to interface protocol is set, and interface is assisted
The span of the species number of view is defined as 1 to NP, and NP is natural number, and the consensus standard of each interface protocol is compiled
Number：P1, P2... ..., PNP.Then, the span for defining the channel number of each interface protocol is 1 to NI, and NI is natural number,
Sub-interface number under each interface protocol passage is numbered：I1, I2... ..., INI；Sensing is set on the various channels
Device, the span of number of probes is 1 to NS, and NS is natural number, and the number to sensor is numbered：S1, S2... ...,
SNS；The span for defining the sample bytes number of each sensor is 1 to NB, and NB is natural number, and sample bytes number is compiled
Number：B1, B2... ..., BNB；Using Pi、Ij、Sk、BmRepresent the attribute information of sensor.In aforesaid operations, setting：NP≤8、NI
≤8、NS≤8、NB≤8；Model is set up using Hardware Description Language VHDL and parameter configuration is realized.
It is significant to note that：Above-mentioned, if i values are zero, then it represents that the interface protocol of the numbering is not used.Such as
Fruit j values are zero, then it represents that the passage is not used.If k values are zero, then it represents that the numbering sensor is not used.M is general not
It is zero, it is nonsensical if m is zero because k values represent to use the sensor.The configurable parameter of information acquisition terminal is NP,
NI, NS, NB.The number span of the attachable sensor of information acquisition terminal is (1, NP × NI × NS).A certain class interface
The span of the number of the attachable sensor of consensus standard is：(1, NI × NS).Each sampling week of information acquisition terminal
Phase sampling byte number span be：(1, NP × NI × NS × NB).
If sensor S1~SNSBelong to same interface protocol standard, without loss of generality, take NP=NS=NB=1, NI to exist
It is incremented by successively in (1,8) span, the configuration mode of table 1 can be used.
The special connection configuration of the same-interface agreement different communication number of table 1
If sensor S1~SNSBelong to different protocol standards, without loss of generality, take NI=NS=NB=1, NP is in (1,8)
It is incremented by successively in span, the configuration mode of table 2 can be used.
The special connection configuration of the distinct interface agreement of table 2
The realization of configurable information acquisition terminal and applicating example
(1) realization of the configurable information acquisition terminal based on FPGA
According to the principle of configurable information collecting method, realize that 4 grades of configurable information are adopted using Hardware Description Language VHDL
Diversity method, so that altera companies FPGA --- EP1C12Q240C8 realizes NP≤8, NI≤8, NS≤8, NB as target devices
≤ 8 configurable information acquisition terminal, can at most support 8 × 8 × 8=512 sensor of connection.
(2) applicating example of smart grid-oriented
Need to detect 360 parameters in one intelligent grid.Each parameter each cycle 1 byte of sampling.Wherein sensor
Interface protocol has 2.The sensor of standard 1 has 172, and standard 2 has 188.
When meeting condition NP≤8, NI≤8, NS≤8, NB≤8, each consensus standard can only could support up 64 sensings
Device, use scope of the application beyond the configurable information acquisition terminal realized in above-described embodiment (1).
Tackling off-limits application has two kinds of solutions：One is modification information acquisition terminal, increases NI or NS value.
Two be that unused resources realization is utilized on the basis of original information acquisition terminal.It is sensor using the premise of second scheme
Total number is less than 512, but it cannot be guaranteed that all situations can be realized.Second scheme is used herein.
Because NP=8 standard is preset in the realization, and current application only has 2 consensus standards, therefore exists vacant pre-
Stay resource.The present invention, which can be realized, redistributes vacant reserved resource, i.e., 1 consensus standard can take multiple standards and connect
Mouthful.So when standard number it is less, and number of sensors it is more when, can be by the multiple Protocol Standards of uniform sensor
Quasi- interface is realized.
1st, consensus standard 1 is mapped as 3 consensus standards：P1, P2, P3.
1. standard P1：NI=8, NS=8, support 8 × 8=64 sensor.
2. standard P2：NI=8, NS=8, support 8 × 8=64 sensor.
3. standard P3：NI=6.
Interface I1~I5：NS=8, supports 5 × 8=40 sensor.
Interface I6：NS=4, supports 1 × 4=4 sensor.
Above-mentioned configuration can support 64+64+40+4=172 sensor.
2nd, consensus standard 2 is mapped as 4 consensus standards：P4, P5, P6, P7.
1. standard P4：NI=8, NS=8, support 8 × 8=64 sensor.
2. standard P5：NI=8, NS=8, support 8 × 8=64 sensor.
3. standard P6：NI=7, NS=8, support 7 × 8=56 sensor.
4. standard P7：NI=1, NS=4, support 1 × 4=4 sensor.
Above-mentioned configuration can support 64+64+56+4=188 sensor.
The information acquisition terminal that the present invention is provided can be joined according to the sensor characteristics and application requirement connected by changing
Several level Four that carried out to information acquisition terminal are configurable so as to realize reconstruct, and sensor special purpose interface connected mode and bus can be achieved
Shared connected mode.And there is provided communication, support single communication mode mode of operation and communication to be used in combination
Mode of operation, can conveniently be transplanted to the occasion using different communication mode.Information acquisition terminal can take into account consideration cost, property
The parameter requests such as energy, reliability, with very strong flexibility, are particularly suitable for use in intelligent grid, solve number of terminals in intelligent grid
The technical barrier that the features such as measuring huge and isomery is brought.
Compared with the information acquisition terminal that function is fixed, the information acquisition terminal in the present invention can be according to different uses
Occasion is configured, with very strong flexibility.It is the dimension in later stage because the information acquisition terminal has identical technical characteristic
Providing great convenience property in the work such as shield and upgrading.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (2)
1. a kind of configurable information collecting method of smart grid-oriented, it is characterised in that
Interface protocol is set, and the span of the species number of the interface protocol is defined as 1 to NP, NP is natural number,
The consensus standard of interface protocol each described is numbered：P1, P2..., PNP；
The span for defining the channel number of each interface protocol is 1 to NI, and NI is natural number, to interface each described
Sub-interface number under protocol channel is numbered：I1, I2..., INI；
Sensor is set on each described passage, and the span of number of probes is 1 to NS, and NS is natural number, to described
The number of sensor is numbered：S1, S2..., SNS；
The span for defining the sample bytes number of each sensor is 1 to NB, and NB is natural number, and sample bytes number is entered
Line number：B1, B2..., BNB；
Using Pi、Ii、Sk、BmRepresent the attribute information of the sensor；
Setting：NP≤8、NI≤8、NS≤8、NB≤8；
Model is set up using Hardware Description Language VHDL and parameter configuration is realized；
By configuring the parameter of acquisition terminal, system inner sensor is shared into connected mode using stand-alone interface mode or bus and entered
Row connection.
2. a kind of electric network information acquisition terminal, it is characterised in that
According to the sensor characteristics and application demand connected, interface protocol is carried out to information acquisition terminal, positioned at interface protocol
Under port number, the number and the sample bytes number of each sensor that connect sensor independently defined, independence can be achieved
Interface connected mode or bus share connected mode；
Using four kinds of communication modes：1. communication；2. power line communication mode；3. fiber optic communication mode；4. IP network
Communication mode, supports single communication mode mode of operation and communication and uses mode of operation；
Configurable information collecting method, multi-communication mode agreement and relevant control function are realized with VHDL hardware description languages, it is complete
FPGA into information acquisition terminal realizes that required sensor is shared into connected mode using stand-alone interface mode or bus is connected to
Information acquisition terminal, and applied in intelligent grid.
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| CN101222397A (en) * | 2008-01-25 | 2008-07-16 | 大连海事大学 | Wireless sensor network signal synchronous collection and quasi-live transmission system |
| CN201440210U (en) * | 2009-06-19 | 2010-04-21 | 武汉钢铁(集团)公司 | Computer room monitoring system |
| CN101977167A (en) * | 2010-10-25 | 2011-02-16 | 深圳市兆讯达科技实业有限公司 | Gateway communication protocol conversion method for wireless sensor network access Modbus bus |
| CN103077591A (en) * | 2012-09-14 | 2013-05-01 | 重庆大学 | Countryside smart power grid remote meter reading system based on wireless sensing network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222397A (en) * | 2008-01-25 | 2008-07-16 | 大连海事大学 | Wireless sensor network signal synchronous collection and quasi-live transmission system |
| CN201440210U (en) * | 2009-06-19 | 2010-04-21 | 武汉钢铁(集团)公司 | Computer room monitoring system |
| CN101977167A (en) * | 2010-10-25 | 2011-02-16 | 深圳市兆讯达科技实业有限公司 | Gateway communication protocol conversion method for wireless sensor network access Modbus bus |
| CN103077591A (en) * | 2012-09-14 | 2013-05-01 | 重庆大学 | Countryside smart power grid remote meter reading system based on wireless sensing network |
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