CN108233989A - A kind of intelligent grid wideband power carrier communication detecting system and its detection method - Google Patents
A kind of intelligent grid wideband power carrier communication detecting system and its detection method Download PDFInfo
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- CN108233989A CN108233989A CN201810005691.2A CN201810005691A CN108233989A CN 108233989 A CN108233989 A CN 108233989A CN 201810005691 A CN201810005691 A CN 201810005691A CN 108233989 A CN108233989 A CN 108233989A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of intelligent grid wideband power carrier communication detecting system and its detection method, the detecting system includes：Host node carrier communication interface, child node carrier communication interface, multinode carrier communication linking element, host node shielded box, child node shielded box, several partial node shielded boxes, signal analyzer, signal source, the transparent transceiver of carrier wave, switch matrix and signal matrix, multinode carrier communication linking element are composed of at least 15 partial node carrier communication interfaces by signal matrix connection.For the present invention intelligent grid wideband power carrier communication detection path loss is fixed, shielded box conduction isolation shields in the air, software compensates point by point realizes that carrier signal accurately measures.Multinode carrier communication linking element Attenuation adjustable range is big, supports that 0 127dB is adjustable, supports that Carrier Node is more, and maximum supports 1800 node accesses, supports multi-network coexisted and coordinates.
Description
Technical field
The present invention relates to intelligent grid wideband power carrier communication technical field of measurement and test, and in particular to a kind of intelligent grid electricity
Power bandwidth carrier communication detection systems and its detection method.
Background technology
At present, in intelligent grid wideband power carrier communication test, communication performance test does not shield each carrier communication unit,
Aerial radiation signal can not be evaded, measurement range and precision are limited, can not accurate evaluation bandwidth carrier equipment transmitting-receiving performance.Electric power
Line isolated location is directly by power frequency and carrier signal, and since power line interface shield effectiveness is limited, multicarrier communication signal can be with
By port crosstalk, it can not realize that high-acruracy survey is evaluated.Zero passage is not directly considered using non-electrical line of force RF coaxial cable systems
Detection with it is synchronous, transmitting-receiving performance can be tested, but be not inconsistent with practical service environment, no actual reference.Power line attenuator tune
It saves signal to mix using power frequency and carrier wave, two secondary couplings sampling in attenuator, insertion loss is big, introduces excessive path loss, declines
It is small to subtract adjustable extent.Power line power frequency component and carrier signal common power supply power supply, load increase electric current and increase, attenuator filtering
Circuit volume accordingly increases, and electric current kelvin effect influences carrier signal transmission, transmission channel is caused to distort, transmission model is not
Controllably, each band channels transmission attenuation model and phase change differ, and influence broadband carrier signal quality and traffic rate assessment.
Each Carrier Node physical connection is consistent with power-supplying circuit, and routing relaying fixation is non-adjustable, and switching phase and relaying can not be real
It is existing.Communication link and power supply line bonding, extensive node Multi net voting coordination electric current is big, wave filter volume disaster is with reality
Now, do not have test in laboratory condition.Each node attenuator decentralised control of constructing communication network, installation, debugging are inconvenient, communication response speed
Rate is slow, can not realize local regulation and control, can only be realized by remote control, the abnormal then entire control system collapse failure of TCP, UDP.
Invention content
The purpose of the present invention is to provide a kind of intelligent grid wideband power carrier communication detecting system and its detection method,
To solve existing intelligent grid wideband power carrier communication test each carrier communication unit is not shielded and can not evade aerial spoke
The problems such as penetrating effect of signals measurement range and precision.
To achieve the above object, the present invention provides a kind of intelligent grid wideband power carrier communication detecting system, the inspection
Examining system includes：Host node carrier communication interface, child node carrier communication interface, multinode carrier communication linking element, main section
Point shielded box, several partial node shielded boxes, signal analyzer, signal source, the transparent transceiver of carrier wave, is opened child node shielded box
Matrix and signal matrix are closed, is set in the host node shielded box to host node carrier communication interface and sends host node carrier signal
Host node carrier signal coupling sampling unit, set in the child node shielded box to child node carrier communication interface and send son
The child node carrier signal coupling sampling unit of node carrier signal, multinode carrier communication linking element is by least 15 points
Node carrier communication interface is composed by signal matrix connection, sets one to be carried to partial node in each partial node shielded box
The partial node carrier signal coupling sampling unit of wave communication interface transmission partial node carrier signal, host node carrier communication interface,
Child node carrier communication interface and the host node of signal matrix are connected to signal analyzer, signal source and carrier wave by switch matrix
Transparent transceiver, the transparent transceiver of carrier wave are set in host node shielded box or child node shielded box.
Further, the host node carrier communication interface and/or child node carrier communication interface, signal analysis
Instrument, the signal source connect to form communication performance test subsystems by switch matrix with the transparent transceiver of the carrier wave.
Further, the host node carrier communication interface and/or child node carrier communication interface and the carrier wave are saturating
Bright transceiver connects to form unification of communication protocol test subsystems by switch matrix.
Further, the multinode carrier communication linking element and the transparent transceiver of the carrier wave pass through switch matrix
It connects to form interoperability testing subsystem with signal matrix.
Further, if the switch matrix includes a power splitter, two attenuators, a signal source switch and involvement
Link, the host node of host node carrier communication interface, child node carrier communication interface and signal matrix pass through connecting line respectively
Road is connected to the power splitter, and to be respectively connected to signal analyzer, signal source and carrier wave saturating by connecting circuit for the power splitter
Bright transceiver, between host node carrier communication interface and power splitter and between child node carrier communication interface and power splitter
Connecting line road sets an attenuator respectively, and the connecting line road between signal source and power splitter sets a signal source to open
It closes.
Further, at least 15 partial node carrier communication interfaces are by host node carrier communication interface and child node
Carrier communication interface forms.
Further, at least 15 partial node carrier communication interfaces are child node carrier communication interface.
Further, the multinode carrier communication linking element by least 15 attenuators and at least 14 work(point
Device is spaced connection and is formed successively by connecting circuit relays branch off attenuation at least ten Pyatyi partial nodes and at least 15 layers
Signal matrix, the front-end and back-end of the signal matrix are attenuator, and the front end attenuator external connection of signal matrix is formed
The host node of signal matrix, the rear end attenuator of signal matrix externally form the afterbody partial node of signal matrix, Mei Gegong
Device is divided externally to form the level-one partial node of signal matrix.
Further, the host node carrier signal coupling sampling unit, child node carrier signal coupling sampling are single
Member and partial node carrier signal coupling sampling unit include test bottom plate, coupling sample circuit, the electric power of grafting Devices to test
Line filters screened circuit and accesses to host node carrier communication interface or child node carrier communication interface or partial node carrier communication
The RF RF transceivers of interface, the Devices to test is using 220V work frequency carriers and passes through the external 220V switches of LN power lines connection
Power supply is powered, the Devices to test LN power line no-load currents, LN power lines connection power line filtering screened circuit every
Pass through the inductance in coupling sample circuit from conduction and aerial radiation signal, the RF RF transceivers on extraneous carrier wave power line
LN power line impedances are simultaneously converted into 50 ohmage of standard, the RF radio frequencies by wave filter coupling sampling 2-30MHz carrier signals
The power line carrier signal of acquisition is converted into RF radiofrequency signals and is sent to host node carrier communication interface or son section by transceiver
Point carrier communication interface or partial node carrier communication interface.
The invention also discloses a kind of detection method of intelligent grid wideband power carrier communication detecting system, the detections
Method includes：Communication performance test is carried out to the Devices to test in host node shielded box and/or child node shielded box, including：
Signal source switch is closed, host node carrier communication interface and/or child node carrier communication interface, signal analyzer, signal source and
The transparent transceiver of carrier wave connects to form communication performance test subsystems by switch matrix；The setting of software test service platform is treated
Measurement equipment enters application layer message transmission serial ports pattern；The transparent transceiver of carrier wave continuously transmits software test service platform and specifies
Data message, wherein, the transmission times of the data message and send frame period and specified by software test service platform；Software
Testing service platform counts one-way communication success rate；Software test service platform setting Devices to test incoming carrier returns survey automatically
Die trial formula；The data that the transparent transceiver of carrier wave receives report software test service platform；And software test service platform statistics
Two-way communication success rate；Unification of communication protocol is carried out to the Devices to test in host node shielded box and/or child node shielded box
Test, including：Signal source switch opening, host node carrier communication interface and/or child node carrier communication interface and carrier wave
Transparent transceiver connects to form unification of communication protocol test subsystems by switch matrix；The transparent transceiver of carrier wave is simultaneously
Start the transparent transmission-receiving function of carrier wave and carrier channel listening functions；By the transparent transmission-receiving function of carrier wave by software test service platform
The data of tissue are sent to the communication media of carrier wave of Devices to test, and automatically reply acknowledgement frame according to demand and deny frame；Pass through
All data in Devices to test communication channel are sent to software test service platform and are used for by carrier channel listening functions in real time
It analyzes and determines；And interoperability testing test is carried out to the Devices to test in several partial node shielded boxes, including：Signal source
Switch is opened, and multinode carrier communication linking element connects to form interoperability with the transparent transceiver of carrier wave by switch matrix
Test subsystems；Several Devices to test are plugged to the test bottom plate in several partial node shielded boxes respectively, with several Devices to test
Correspondence is plugged to several partial node carrier communication interfaces, several partial node carrier waves to several RF RF transceivers being correspondingly connected with respectively
Communication interface passes through signal matrix networking；Signal matrix host node is by the transparent transceiver of carrier wave by each partial node of acquisition
The address of carrier communication interface is sent to software test service platform；The transparent transceiver of carrier wave starts carrier channel listening functions
The data listened on signal matrix host node channel are sent to software test service platform to analyze and determine；Exist respectively
The transparent transceiver of each partial node carrier communication interface setting carrier wave starts carrier channel listening functions and carries single partial node
The data listened on wave communication interface channel are sent to software test service platform and are analyzed and determined；It is carried in each partial node
The transparent transceiver of carrier wave of wave communication interface setting is placed in corresponding partial node shielded box and passes through cable and surveyed with software
Try service platform connection.
The invention has the advantages that：
The present invention is fixed in intelligent grid wideband power carrier communication detection path loss, shielded box conduction isolation is aerial
Shielding, software compensates point by point realizes that carrier signal accurately measures.Transmission channel is stable, controllable, supports transmission model regulatory.
Network topology structure is adjustable, supports star topology and tree topology and mixed mode.Multinode carrier communication linking element is decayed
Adjustable range is big, supports that 0-127dB is adjustable, supports that Carrier Node is more, and maximum supports 1800 node accesses, and Multi net voting is supported to be total to
It deposits and coordinates.Support zero passage detection, phase identification, taiwan area discriminatory carrier communication extension function.
Description of the drawings
Fig. 1 is a kind of structure diagram of intelligent grid wideband power carrier communication detecting system of the present invention.
Fig. 2 is a kind of principle signal of the switch matrix of intelligent grid wideband power carrier communication detecting system of the present invention
Figure.
Fig. 3 is a kind of coupling sample circuit of intelligent grid wideband power carrier communication detecting system of the present invention by electric power
Line signal turns RF radiofrequency signal circuit diagrams.
Fig. 4 is that a kind of power line of intelligent grid wideband power carrier communication detecting system of the present invention filters screened circuit
Figure.
Fig. 5 is a kind of signal matrix schematic diagram signal of intelligent grid wideband power carrier communication detecting system of the present invention
Figure.
Specific embodiment
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
As shown in Figure 1, a kind of intelligent grid wideband power carrier communication detecting system includes disclosed in the present embodiment：Main section
Point carrier communication interface 01, child node carrier communication interface 02, multinode carrier communication linking element 03, host node shielded box
04th, the 05, first to the 15th partial node shielded box 06-20 of child node shielded box, signal analyzer 21, signal source 22, carrier wave are saturating
Bright transceiver 23, switch matrix 24 and signal matrix 25 set to host node carrier communication 01 in host node shielded box 04 and connect
Mouth sends the host node carrier signal coupling sampling unit 26 of host node carrier signal, is set in child node shielded box 05 to sub- section
Point carrier communication interface 02 sends the child node carrier signal coupling sampling unit 27 of child node carrier signal, and multinode carrier wave leads to
Letter linking element 03 is composed of the first to the 15th partial node carrier communication interface 28-42 by the connection of signal matrix 25,
One partial node carrier wave that partial node carrier signal is sent to partial node carrier communication interface of setting in each partial node shielded box
Signal couples sampling unit, the main section of host node carrier communication interface 01, child node carrier communication interface 02 and signal matrix 25
Point is connected to signal analyzer 21, signal source 22 and the transparent transceiver 23 of carrier wave, the transparent transmitting-receiving of carrier wave by switch matrix 24
Equipment 23 is set in child node shielded box 05, in addition, the transparent transceiver 23 of carrier wave can also be set to host node shielded box
In 04.
Further, above-mentioned 15 partial node carrier communication interface 28-42 in the present embodiment are led to by host node carrier wave
Believe that interface and child node carrier communication interface composition or above-mentioned 15 partial node carrier communication interfaces 28-42 are sub- section
Point carrier communication interface.
A kind of intelligent grid wideband power carrier communication detecting system in the present embodiment forms three subsystems：Communicativeness
Energy test subsystems, unification of communication protocol test subsystems and interoperability testing subsystem, wherein, host node carrier communication
Interface 01 and/or child node carrier communication interface 02, signal analyzer 21, signal source 22 and the transparent transceiver 23 of carrier wave pass through
The connection of switch matrix 24 forms communication performance test subsystems；Host node carrier communication interface 01 and/or child node carrier communication
Interface 02 and the transparent transceiver 23 of carrier wave form unification of communication protocol test subsystems by the connection of switch matrix 24；It is more
Node carrier communication linking element 03 and the transparent transceiver 23 of carrier wave are formed by switch matrix 24 and the connection of signal matrix 25
Interoperability testing subsystem.Bandwidth carrier interconnection agreement requirement carrier wave supports ten Pyatyis relaying, interoperability minimum system
System needs 15 partial node shielding carrier units, and partial node shields carrier units by setting partial node in partial node shielded box
Carrier signal coupling sampling unit is formed.
As shown in Fig. 2, in the present embodiment, above-mentioned switch matrix 24 include a power splitter T, two attenuator ATT, one
Signal source switch K and several connection circuits, host node carrier communication interface 01, child node carrier communication interface 02 and signal matrix
Host node CCO be connected to power splitter T by connecting circuit respectively, power splitter T is respectively connected to signal point by connecting circuit
Analyzer 21, signal source 22 and the transparent transceiver 23 of carrier wave, between host node carrier communication interface 01 and power splitter T and son saves
Connecting line road between point carrier communication interface 2 and power splitter T sets an attenuator ATT, signal source 22 and work(point respectively
Connecting line road between device T sets a signal source switch K.
Access signal analyzer 21 is needed to analyze the occupied bandwidth of multicarrier communication signal, power spectrum in communication performance test
Degree.Anti-decay property needs to increase damping resistance between host node carrier communication interface 01 and child node carrier communication interface 02.
The reference clock offset of the transparent transceiver 23 of carrier wave needs to provide accurate clock using signal source 22 in anti-frequency deviation test.Together
When, constructing communication network test needs to access the communication of ten Pyatyi partial nodes by 25 host node CCO of signal matrix.It needs each merogenesis
Point carrier communication interface is connected into a communication link, by radio frequency controlled switch realize signal source 22 in noise testing and
Switch in frequency deviation test.Since numerous Devices to test access, inevitably need to introduce power splitter T.The loss of power splitter T can
It, can accurate testing broad-band carrier wave by coupling insertion loss and power splitter T loss balancings accurately to be measured by vector network analyzer
Signal.
As shown in figure 5, the multinode carrier communication linking element 03 in the present embodiment is by 15 attenuator ATT and 14
A power splitter T has ten Pyatyi partial nodes and at least 15 layers relaying branch off attenuation by connecting circuit and being spaced connection successively and formed
Signal matrix 25, the front-end and back-end of signal matrix 25 are attenuator ATT, ATT pairs of the front end attenuator of signal matrix 25
Outer to connect the host node CCO for forming signal matrix, the rear end attenuator ATT of signal matrix 25 externally forms the last of signal matrix
Level-one partial node, each power splitter T externally form the level-one partial node of signal matrix 25.
The controllable in addition to pure environment is needed of communication link is realized during carrier communication, it is also necessary to which path clustering is set
Standby signal matrix.It can realize that each node accesses, while the attenuator of chain road is adjustable by signal matrix, realize bandwidth carrier
The regulation and control of each level.According to broadband technology specification and physical layer protocol, communication path adjustable damping is in 110dB or so, each chip
Manufacturer's performance slightly has difference.3 splitter theoretical loss 5dB, 15 layers of relaying branch off attenuation are completely in effective range, afterbody
CCO host nodes are may be coupled in the case of completely without adjusting attenuation, realize star topology.Each attenuator condition and range 0-
127dB, in the case where completing not consider insertion loss, attenuator maximum value can completely isolated multicarrier communication signal.According to property
, it can be achieved that attenuation at different levels is adjustable, realization tree topology connects the anti-decay property Regulate signal matrix pad value that can be tested.According to
It is required that can configure three independent signal matrix, the emulation testing of true communication system of power grids three-phase is realized, taiwan area archives can be supported to know
Not, the advanced expanded function such as phase identification.
As shown in Figure 3 and Figure 4, host node carrier signal coupling sampling unit, child node carrier signal coupling sampling unit
Include test bottom plate 43, coupling sample circuit, the electric power of grafting Devices to test with partial node carrier signal coupling sampling unit
Line filters screened circuit 45 and accesses to host node carrier communication interface or child node carrier communication interface or partial node carrier wave leads to
Believe the RF RF transceivers 46 of interface, Devices to test is using 220V work frequency carriers and passes through the external 220V switches of LN power lines connection
Power supply is powered, Devices to test LN power line no-load currents, and the external world is isolated in LN power lines connection power line filtering screened circuit 45
Conduction and aerial radiation signal on carrier wave power line.Since carrier signal is transmitted using power line power frequency, it is impossible to be directly accessed essence
Close instrument measures, and needs to detach power frequency and power line by way of signal coupling sampling, the coupling in the present embodiment
Sample circuit detaches forceful electric power and light current, and RF RF transceivers 45 are taken by the coupling of inductance filter 44 in coupling sample circuit
LN power line impedances are simultaneously converted into 50 ohmage of standard by sample 2-30MHz carrier signals, are solved carrier signal and are depended on by force
The problem of electricity is accurately measured without Par value.The power line carrier signal of acquisition is converted into RF radiofrequency signals by RF RF transceivers 46
And it is sent to host node carrier communication interface or child node carrier communication interface or partial node carrier communication interface.
Carrier communication is transmitted using 2-30MHz frequency bands, and modulation system uses OFDM.In the case of closer to the distance, carry
Wave radiation power is big, and the mutual crosstalk under conditions of unshielded condition and isolation can not be accurately positioned.The free networking of Carrier Node
Under the conditions of, route topological time-varying and uncontrollable route and is received and dispatched for accurate evaluation carrier communication performance, needs completely pure ring
Border, it is completely isolated between each node, it does not interfere with each other.The Isolated Shield device designed in the present embodiment uses low frequency shielded box and electricity
Line of force wave filter designs, and 220V forceful electric power had not only been introduced in babinet and has solved the problems, such as bandwidth carrier zero passage detection, but also the extraneous carrier wave of isolation
Conduction and aerial radiation signal on power line.
As depicted in figs. 1 and 2, the detection of a kind of intelligent grid wideband power carrier communication detecting system in the present embodiment
Method includes：Communication performance test, communication are carried out to the Devices to test in host node shielded box 04 and/or child node shielded box 05
Performance test based on one-way communication, supplemented by two-way communication, including：Signal source switch K is closed, host node carrier communication interface
01 and/or child node carrier communication interface 02, signal analyzer 21, signal source 22 and the transparent transceiver 23 of carrier wave pass through switch
The connection of matrix 24 forms communication performance test subsystems；It is saturating that software test service platform setting Devices to test enters application layer message
Pass serial ports pattern；The transparent transceiver 23 of carrier wave continuously transmits software test service platform specified data message, wherein, data
The transmission times and transmission frame period of message are specified by software test service platform；Software test service platform counts one-way communication
Success rate；Software test service platform setting Devices to test incoming carrier returns test pattern automatically；The transparent transceiver of carrier wave
23 data received report software test service platform；And software test service platform statistics two-way communication success rate；Carrier wave is saturating
Bright transceiver 23 is placed in host node shielded box 04 or child node shielded box 05 and passes through cable and put down with software test service
Platform connects；Unification of communication protocol test is carried out to the Devices to test in host node shielded box 04 and/or child node shielded box 05,
It includes：Signal source switch K openings, host node carrier communication interface 01 and/or child node carrier communication interface 02 and carrier wave
Transparent transceiver 23 connects to form unification of communication protocol test subsystems by switch matrix；The transparent transceiver 23 of carrier wave
Start the transparent transmission-receiving function of carrier wave and carrier channel listening functions, while start the transparent transmission-receiving function of carrier wave and carrier channel simultaneously
The reason of listening functions is the reception that crucial message will not be missed under the scene of more packet sending and receiving, sends software survey back in time
Try service platform；The data of software test service platform tissue are sent to the load of Devices to test by the transparent transmission-receiving function of carrier wave
Wave communication medium, and automatically reply acknowledgement frame according to demand and deny frame；Devices to test is led to by carrier channel listening functions
All data on letter channel are sent to software test service platform and are used for analyzing and determining in real time；The transparent transceiver 23 of carrier wave
It is placed in host node shielded box 04 or child node shielded box 05 and passes through cable and connect with software test service platform；And if pair
Devices to test in dry partial node shielded box carries out interoperability testing test, including：Signal source switch K is opened, multinode
Carrier communication linking element 03 and the transparent transceiver 23 of carrier wave form interoperation test subsystem by the connection of switch matrix 24；
Several Devices to test are plugged to the test bottom plate in several partial node shielded boxes respectively, if be correspondingly connected with several Devices to test
Correspondence is plugged to several partial node carrier communication interfaces to dry RF RF transceivers respectively, and several partial node carrier communication interfaces pass through
25 networking of signal matrix；Signal matrix host node CCO is by the transparent transceiver 23 of carrier wave by each partial node carrier wave of acquisition
The address of communication interface is sent to software test service platform；The transparent transceiver of carrier wave starts carrier channel listening functions will be
The data listened on signal matrix host node channel are sent to software test service platform and are analyzed and determined；Respectively each
The transparent transceiver of partial node carrier communication interface setting carrier wave starts carrier channel listening functions and leads to single partial node carrier wave
The data listened on letter interface channel are sent to software test service platform and are analyzed and determined；The transparent transceiver 23 of carrier wave
It is placed in host node shielded box 04 or child node shielded box 05 and passes through cable and connect with software test service platform, each
The transparent transceiver of carrier wave of partial node carrier communication interface setting is placed in corresponding partial node shielded box and passes through cable
It is connect with software test service platform.
In the present embodiment, integrated simulation concentrator built in host node shielded box works, and can place concentrator module or collection
Middle device.Integrated electricity meter tooling built in child node shielded box, can place meter module and electric energy meter.Signal analyzer monitors power line
Multicarrier communication signal waveform, can set integration period, sweep bandwidth, read signal analyzer setting rising edge and failing edge it
Between frequency band as bandwidth carrier working band, the power spectrum in read work frequency range with the outer amplitude peak of range respectively
Density.Signal source is used to generate white noise, narrow-band noise, impulsive noise with analog carrier communication environment noise.Signal matrix is set
Decay path is put, adjusts the relaying rank of networking child node shielded cubicle, simulates the network environment in actual field.Switch matrix
Actual noise is introduced, and communication waveforms are introduced in signal analyzer for networking assessment system by Miniature RF switch matrix
It is shown and is analyzed.Transparent transceiver is intercepted for receiving and dispatching power line signal or carrying out carrier channel.
Coupling sample circuit is placed in each shielding case body in the present embodiment, and individual node only needs a secondary coupling to sample, phase
Half is reduced to power line attenuator path loss；Shielded box power line inlet uses filtering Isolated Shield carrier signal, shielding
Case is to extraneous completely isolated, radiation-screening and conduction carrier signal.Bottom plate is tested using 220V work frequency carriers, solves bandwidth carrier
The zero passage detection that communicates and stationary problem.Test bottom plate is powered by external switch power supply, and 220V electric power incoming line no-load currents solve
Interference of the load current skin effect to carrier-wave transmission channel, transmission channel are stable, controllable.Partial node carrier communication interface accesses
Signal matrix, path are adjustable, support star topology and tree topology and two kinds of mixed modes.Attenuator centralized Control, it is long-range logical
Courier provides local control with same port and IP, supports that super large range 0-127dB ranges are adjustable.Power line carrier
Sample of signal loss is small, and pad value can quantify, and accurate measurement is realized by the point-by-point compensation correction of software.Support extensive extension,
Do not increase attenuator and wave filter volume, power grid three-phase true test environment can be realized by using three signal matrix, support
Extensive node, Multi net voting coordination, phase identification, taiwan area identification test.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (10)
1. a kind of intelligent grid wideband power carrier communication detecting system, which is characterized in that the detecting system includes：Host node
Carrier communication interface, child node carrier communication interface, multinode carrier communication linking element, host node shielded box, child node screen
Case, several partial node shielded boxes, signal analyzer, signal source, the transparent transceiver of carrier wave, switch matrix and signal matrix are covered,
The host node carrier signal that host node carrier signal is sent to host node carrier communication interface is set in the host node shielded box
Sampling unit is coupled, the son that child node carrier signal is sent to child node carrier communication interface is set in the child node shielded box
Node carrier signal couples sampling unit, and multinode carrier communication linking element is by least 15 partial node carrier communication interfaces
It is composed by signal matrix connection, setting one is sent to partial node carrier communication interface in each partial node shielded box divides
The partial node carrier signal coupling sampling unit of node carrier signal, host node carrier communication interface, child node carrier communication connect
Mouth and the host node of signal matrix are connected to signal analyzer, signal source and the transparent transceiver of carrier wave, institute by switch matrix
The transparent transceiver of carrier wave is stated to be set in host node shielded box or child node shielded box.
2. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
Host node carrier communication interface and/or child node carrier communication interface, the signal analyzer, the signal source and the carrier wave
Transparent transceiver connects to form communication performance test subsystems by switch matrix.
3. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
Host node carrier communication interface and/or child node carrier communication interface and the transparent transceiver of the carrier wave pass through switch matrix
Connection forms unification of communication protocol test subsystems.
4. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
Multinode carrier communication linking element connects to be formed mutually with signal matrix by switch matrix with the transparent transceiver of the carrier wave
Operational test subsystems.
5. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
Switch matrix includes a power splitter, two attenuators, a signal source switch and several connection circuits, host node carrier communication
The host node of interface, child node carrier communication interface and signal matrix is connected to the power splitter, institute by connecting circuit respectively
It states power splitter and is respectively connected to signal analyzer, signal source and the transparent transceiver of carrier wave, host node carrier wave by connecting circuit
Connecting line road between communication interface and power splitter and between child node carrier communication interface and power splitter sets one respectively
A attenuator, the connecting line road between signal source and power splitter set a signal source switch.
6. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
At least 15 partial node carrier communication interfaces are made of host node carrier communication interface and child node carrier communication interface.
7. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
At least 15 partial node carrier communication interfaces are child node carrier communication interface.
8. a kind of intelligent grid wideband power carrier communication detecting system according to claim 4, which is characterized in that described
Multinode carrier communication linking element by least 15 attenuators and at least 14 power splitters by connecting circuit successively between
The signal matrix at least ten Pyatyi partial nodes and at least 15 layers relaying branch off attenuation, the signal matrix are formed every connection
Front-end and back-end be attenuator, the front end attenuator external connection of signal matrix forms the host node of signal matrix, signal
The rear end attenuator of matrix externally forms the afterbody partial node of signal matrix, and each power splitter externally forms signal matrix
Level-one partial node.
9. a kind of intelligent grid wideband power carrier communication detecting system according to claim 1, which is characterized in that described
Host node carrier signal coupling sampling unit, child node carrier signal coupling sampling unit and the coupling of partial node carrier signal
Sampling unit the test bottom plate including grafting Devices to test, coupling sample circuit, power line filter screened circuit and access to
The RF RF transceivers of host node carrier communication interface or child node carrier communication interface or partial node carrier communication interface, it is described
Devices to test is using 220V work frequency carriers and passes through the external 220V Switching Power Supplies power supply of LN power lines connection, the Devices to test LN
Power line no-load current, on the extraneous carrier wave power line of the LN power lines connection power line filtering screened circuit isolation conduction and
Aerial radiation signal, the RF RF transceivers are carried by the inductance filter coupling sampling 2-30MHz in coupling sample circuit
LN power line impedances are simultaneously converted into 50 ohmage of standard by wave signal, and the RF RF transceivers are by the power line carrier of acquisition
Signal is converted into RF radiofrequency signals and is sent to host node carrier communication interface or child node carrier communication interface or partial node load
Wave communication interface.
10. according to a kind of detection of intelligent grid wideband power carrier communication detecting system any in claim 1-9
Method, which is characterized in that the detection method includes：
Communication performance test is carried out to the Devices to test in host node shielded box and/or child node shielded box, including：Signal source
Switch is closed, and host node carrier communication interface and/or child node carrier communication interface, signal analyzer, signal source and carrier wave are saturating
Bright transceiver connects to form communication performance test subsystems by switch matrix；Software test service platform sets Devices to test
Into application layer message transmission serial ports pattern；The transparent transceiver of carrier wave continuously transmits software test service platform specified data
Message, wherein, the transmission times and transmission frame period of the data message are specified by software test service platform；Software test takes
Business platform statistics one-way communication success rate；Software test service platform setting Devices to test incoming carrier returns test mould automatically
Formula；The data that the transparent transceiver of carrier wave receives report software test service platform；And software test service platform statistics is two-way
Communicate success rate；
Unification of communication protocol test is carried out to the Devices to test in host node shielded box and/or child node shielded box, including：
Signal source switch opening, host node carrier communication interface and/or child node carrier communication interface and the transparent transceiver of carrier wave
It connects to form unification of communication protocol test subsystems by switch matrix；It is transparent that the transparent transceiver of carrier wave starts carrier wave simultaneously
Transmission-receiving function and carrier channel listening functions；The data of software test service platform tissue are sent out by carrier wave transparent transmission-receiving function
The communication media of carrier wave of Devices to test is sent to, and automatically replies acknowledgement frame according to demand and denies frame；It is intercepted by carrier channel
All data in Devices to test communication channel are sent to software test service platform and are used for analyzing and determining by function in real time；And
Interoperability testing test is carried out to the Devices to test in several partial node shielded boxes, including：Signal source switch is opened,
Multinode carrier communication linking element connects to form interoperability testing subsystem by switch matrix with the transparent transceiver of carrier wave
System；Several Devices to test are plugged to the test bottom plate in several partial node shielded boxes respectively, are correspondingly connected with several Devices to test
Several RF RF transceivers respectively correspondence be plugged to several partial node carrier communication interfaces, several partial node carrier communication interfaces
Pass through signal matrix networking；Signal matrix host node is by the transparent transceiver of carrier wave by each partial node carrier communication of acquisition
The address of interface is sent to software test service platform；The transparent transceiver of carrier wave starts carrier channel listening functions will be in signal
The data listened on matrix host node channel are sent to software test service platform and are analyzed and determined；Respectively in each merogenesis
The transparent transceiver of point carrier communication interface setting carrier wave starts carrier channel listening functions and connects single partial node carrier communication
The data listened on message road are sent to software test service platform and are analyzed and determined；It is connect in each partial node carrier communication
The transparent transceiver of carrier wave of mouth setting is placed in corresponding partial node shielded box and passes through cable and put down with software test service
Platform connects.
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