CN105656518B - A kind of power line carrier routing simulation and test platform and test method - Google Patents
A kind of power line carrier routing simulation and test platform and test method Download PDFInfo
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- CN105656518B CN105656518B CN201610168849.9A CN201610168849A CN105656518B CN 105656518 B CN105656518 B CN 105656518B CN 201610168849 A CN201610168849 A CN 201610168849A CN 105656518 B CN105656518 B CN 105656518B
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
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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
- H04B3/544—Setting up communications; Call and signalling arrangements
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Abstract
The invention discloses a kind of power line carrier routing simulations and test platform and its test method, it includes carrier power meter, carrier signal is connect with concentrator, concentrator is connect with adjustable attenuator, adjustable attenuator is electrically connected with city, alternating current is connect with carrier power meter, and ac-decay device is in series between carrier power meter；Solving the power line carrier meter reading system of the prior art does not have suitable detection means to carry out the technical problems such as detection data transmission reliability, the attenuation characteristic of low-voltage power line, interference characteristic, impedance operator and Time variable structure characteristic.
Description
Technical field：
The invention belongs to power line carrier measuring technology more particularly to a kind of power line carrier routing simulations and test platform
And test method.
Background technology：
Low-voltage power line has the dynamics time-varying such as highly attenuating, strong jamming, impedance variable, structurally variable spy for carrier meter reading
Sign, but for the feature of low-voltage power line comprehensively and effectively test and analyze there is presently no an authoritative institution.Generally
Worry that existing carrier meter reading product can meet the expectation target of kilowatt meter reading-out system, generally worry that carrier meter reading can or can not be brought
The sequelae of carrier-in-interference.It does not adapt to work as in 698 standards of DL/T (low-voltage customer automatic meter reading system) that 1999 come out
The requirement of preceding kilowatt meter reading-out system development, even if having ever made primary revision for 2010 is also in this way, existing detection project cannot expire
The needs of the existing carrier technology development of foot, also data transmission credibility experiment lack specific test method, and most serious is asked
Topic is that do not have for the influence to carrier meter reading of attenuation characteristic, interference characteristic, impedance operator, Time variable structure characteristic of low-voltage power line
It is provided with specific test platform.
Invention content：
The technical problem to be solved in the present invention：A kind of power line carrier routing simulation and test platform and test side are provided
Method, with the power line carrier meter reading system for solving the prior art do not have suitable detection means come detection data transmission reliability,
The technical problems such as attenuation characteristic, interference characteristic, impedance operator and the Time variable structure characteristic of low-voltage power line.
Technical solution of the present invention：
A kind of power line carrier routing simulation and test platform, it includes carrier power meter, and carrier signal is connect with concentrator,
Concentrator is connect with adjustable attenuator, and adjustable attenuator is electrically connected with city, and alternating current is connect with carrier power meter, and carrier power meter series connection connects
It connects, and ac-decay device is in series between the carrier power meter connected.
Adjustable attenuator frequency of fadings is from 5 to 500kHz, and decaying amplitudes are from 0dB to 90dB；
Ac-decay device is 30 or 40dB pad values, and ac-decay device includes low pass circuit and high pass circuit, low pass circuit
Ac-decay device is composed in parallel with high pass circuit.
The test method of a kind of power line carrier routing simulation and test platform, it includes module routing capabilities test side
Method, module routing capabilities test method includes lost route recovery test, routing reconfigures test, the double branches of table node survey
Examination, the double branch testings of concentrator node and networking can communication tests；
The lost route restores test method：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator is with carrying
The M1 connections of wave ammeter, carrier power meter M1 are connect with ac-decay device, and ac-decay device is connect with carrier power meter M2；By adjustable damping
Device and ac-decay device are transferred to 40db, and carrier power meter M1 and carrier power meter M2 are sent data to from DCU, determine carrier power meter M1 and
Carrier power meter M2 can receive data；Remove carrier power meter M1, determine that carrier power meter M2 can not receive data；Then by carrier power meter
Attenuation between M1 and carrier power meter M2 is reduced to 0；Carrier power meter M2 is sent data to from concentrator DCU, examines carrier power meter
M2 can accurately receive data；
The routing reconfigures test method and is：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator is with carrying
The M1 connections of wave ammeter, carrier power meter M1 are connect with ac-decay device, and ac-decay device is connect with carrier power meter M1；By adjustable damping
Device and ac-decay device are transferred to 0, and sending data to carrier power meter M1 and carrier power meter M2 from concentrator DCU can receive, and determine
DCU to carrier power meter M1 and carrier power meter M2 is only jumped by one；Adjustable attenuator and ac-decay device are transferred to 40db, determined
Sending data to carrier power meter M1 and carrier power meter M2 from DCU can receive, and DCU to carrier power meter M1 only has a jump, DCU to load
Wave ammeter M2 has two jumps, and relay node is carrier power meter M1；
The double branch testing methods of table node are：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator and carrier wave electricity
Table M1 connections, carrier wave meter electricity M1 are connect by the first ac-decay device with carrier power meter M2, and carrier power meter M1 passes through the second exchange
Attenuator is connect with carrier power meter M3；All attenuators are transferred to 40db, power on all devices, treat that M1, M2 and M3 network successfully,
Amr frame is sent to M1, M2 and M3 from DCU, determines that each carrier power meter data can be copied and accepted correctly；
The double branch testing methods of concentrator node are：Concentrator DCU is connect with the first adjustable attenuator, first adjustable declines
Subtract device to connect with carrier power meter M1, carrier power meter M1 is connect with ac-decay device, and ac-decay device is connect with carrier power meter M2, collection
Middle device DCU is connect by the second adjustable attenuator with carrier wave meter M3；All attenuators are transferred to 40db, all devices is powered on, treats
M1, M2 and M3 network successfully, send amr frame to M1, M2 and M3 from DCU, determine that each table data can be copied and accepted correctly；
Network can communication test method be：Concentrator DCU is connect by adjustable attenuator with carrier power meter M1, it can
Controlled attenuator is transferred to 0db, after M1 networks, starts meter reading by concentrator, determines the correct copy reading of carrier power meter M1 energy, declines adjustable
Subtract device output noise and gradually tune up meter reading success rate to stop after 0, power on all devices in addition to adjustable attenuator after power down again,
It determines that carrier power meter M1 cannot network, reduces noise output, until carrier power meter M1 can network, again through concentrator meter reading number
According to determining that carrier wave meter M1 data can copy.
The test method of a kind of power line carrier routing simulation and test platform, the module routing capabilities test method is also
Including：
Routing avoids passing through weak tendency link test：Concentrator DCU is connect and ac-decay device, carrier wave with adjustable attenuator
Ammeter M2 is connected with carrier power meter M1, and ac-decay device is connect with carrier power meter M3, and noise generator is connected on carrier power meter M1
Before；Concentrator, noise generator are powered on, 15db is transferred in the output of noise generator, M1 and M2 is powered on, is copied by concentrator
Table determines that table can correctly be read, then power on M3, and M3 is copied by concentrator, determines correctly to read；Complement is opened up by network to determine
Path from DCU to M3, it is using M2 as relaying to determine DCU, is jumped to by one up to M3 rather than using M1 as relaying；
Puppet's node gets around test, and it is identical that wiring diagram and routing avoid passing through weak tendency link test, by adjustable attenuator with
Ac-decay device is transferred to 40db, powers on concentrator and noise generator, and noise generator is transferred to 15db, first powers on M1 and M2,
It by concentrator meter reading, determines that table can correctly be read, then power on M3 tables, M3 tables is read by concentrator, determine that M3 can correctly be read
It takes, the path that complement checks DCU to M3 is opened up by network, it is to reach M3 by relaying of M2 to determine DCU, pulls out M2 at this time, makes M2
It as puppet's node, by DCU meter readings, determines that M3 can be copied, checks the path from DCU to M3, determine that DCU is reached by relaying of M1
M3。
The test method of a kind of power line carrier routing simulation and test platform, it includes network module aptitude tests, institute
Network module aptitude tests are stated to include：
Networking time test is powered on after all devices power down：By a concentrator, 40 pieces of carrier power meters and 5 ac-decays
Device connects networking, powers on all devices, opens up complement by host computer network and checks all devices network entry time, and determine all loads
Wave ammeter can copy reading, all carrier power meter network entry times were no more than 1 hour；
Networking time test after powering on or reset again after concentrator power down：By a concentrator, 40 pieces of carrier power meters and 5
Ac-decay device connect networking, power on all devices, by host computer network open up complement determine all devices network after, reset collection
Middle device opens up complement by network and checks all carrier power meters network entry time again, and confirm all carrier power meters can copy reading, really
The time that fixed all carrier power meters network again powers on the networking time after being necessarily less than all devices power down；
Networking time effects are tested in the case of continuous meter reading：One concentrator, 40 pieces of carrier power meters with 5 are exchanged and are declined
Subtract device connection networking, power on concentrator and wherein a carrier power meter, opening up complement by network has determined the carrier power meter powered on
It networks, it is logical to determine that the carrier power meter can copy, cycle copies and accepts the carrier power meter, while power on remaining 39 pieces of carrier power meters, records
All carrier power meter network entry times, network entry time cannot be more than 2 hours；
Maximum networking volume test：One concentrator and a collector connection, by collector repeatedly using differently
Location registration operation, collector record succeed in registration number, and staff determines that maximum succeeds in registration number by collector LOG.
The test method of a kind of power line carrier routing simulation and test platform, it includes resisting tests with frequency noise immune, described anti-same
The test of frequency noise immune is to connect concentrator DCU with adjustable attenuator, and adjustable attenuator is connect with ac-decay device, and exchange declines
Subtract device to connect with carrier power meter M1, be connected with noise generator in controlled attenuator and ac-decay device, adjustable attenuator is adjusted to
10db, ac-decay device are adjusted to 40db, power on all devices, and the output of noise generator is transferred to 0db, determine M1 network into
Work(by DCU meter readings, determines the accurate copy reading of M1 energy, noise generator output band is transferred to Chong Die with carrier frequency band 50%, is led to
DCU meter readings are crossed, determines that M1 can be copied accurately, is stepped up noise generator output power, are stopped when meter reading success rate 0,
The maximum noise output power of recording noise generator and the bandwidth of overlapping bands.
Beneficial effects of the present invention：
The present invention is not limited to laboratory, and the carrier wave routing simulation of the present invention can be all established in most of electricity consumption place with surveying
Try platform, be not required to be placed under dedicated transformer, it is easy to operate, investment it is small；Declining between carrier power meter and carrier power meter of the present invention
It is ac-decay device to subtract device, be to scene most directly, objectively simulation, be not required to couple carrier signal or isolation processing,
Therefore suitable for testing the carrier module of various different center frequencies and modulation system, wide adaptation range, and it is simple real
With, accurately and reliably；Series wiring between carrier power meter and ac-decay device or between carrier power meter and carrier power meter, therefore network
Scale is unrestricted, and hop count is unrestricted, can be increased according to actual conditions, reduce test node, flexible structure；
Emulation according to the present invention can reach with test platform to be carried out carrier module networking capability, routing capabilities, resists together
Frequency noise immune, communication system stability and reliability test, emulation and test platform by the present invention can be artificially to logical
Letter channel is decayed, and Carrier Node is forced to carry out networking and routing, using a variety of test modes to the networking of carrier module with
Routing, the anti-test and evaluation that special project, multi-angle are carried out with frequency noise immune.And pass through matching for upper computer software and test platform
It closes and uses to copy and accept system time, system stability, the comprehensive test and evaluation of reliability index progress.It solves existing
The power line carrier meter reading system of technology does not have that suitable detection means carrys out detection data transmission reliability, low-voltage power line declines
Subtract the technical problems such as characteristic, interference characteristic, impedance operator and Time variable structure characteristic.
Description of the drawings：
Fig. 1 schematic structural views of the invention；
Fig. 2 is ac-decay device structure diagram of the present invention；
Fig. 3 restores test wiring schematic diagram for lost route of the embodiment of the present invention；
Fig. 4 reconfigures test wiring schematic diagram for routing of the embodiment of the present invention；
Fig. 5 is the double branch testing wiring schematic diagrams of table of embodiment of the present invention node；
Fig. 6 is the double branch testing wiring schematic diagrams of concentrator of embodiment of the present invention node；
Fig. 7 can communication test wiring schematic diagram for networking of the embodiment of the present invention；
Fig. 8 avoids passing through weak tendency link test for routing of the embodiment of the present invention and puppet's node gets around test wiring signal
Figure；
Fig. 9 is routed through 8 jump aptitude tests and the maximum packet test wiring schematic diagram of routing for the embodiment of the present invention；
Figure 10 resists same frequency noise immune to test wiring schematic diagram for the embodiment of the present invention.
Specific embodiment：
DCU represents concentrator in attached drawing, and M1-Mn represents carrier power meter.
A kind of power line carrier routing simulation and test platform, it includes carrier power meter, and carrier signal is connect with concentrator,
Concentrator is connect with adjustable attenuator, and adjustable attenuator is electrically connected with city, and alternating current is connect with carrier power meter, and carrier power meter series connection connects
It connects, and ac-decay device is in series between the carrier power meter connected.
The present invention connects carrier power meter, is because we have found that：Using current carrier ammeter as previous block of carrier wave electricity
The load in series of table is behind previous piece of carrier power meter, and for signal often after the carrier power meter by one piece of concatenation, carrier signal will
Decay 1-2db or so, therefore the present invention connects carrier power meter, and there are four the advantages of aspect for tool：
Facilitate a large amount of carrier power meter of access；
The pad value of every piece of carrier power meter to concentrator is all different, it is easier to form multi-hop；
Test platform is at low cost, economic, practical；
This structure can reduce the influence of carrier signal radiation propagation between carrier power meter.
Using the adjustable attenuator in the present invention, can by carrier signal by after concentrator after adjustable attenuator is decayed,
It is sent to ammeter end, it may be convenient to realize declining during carrier signal transmission between simulation site environment concentrator and ammeter
Subtract.
Adjustable attenuator frequency of fadings is from 5 to 500kH z, and decaying amplitudes are from 0dB to 90dB；
Ac-decay device is 30 or 40dB pad values, and ac-decay device includes low pass circuit and high pass circuit, low pass circuit
Ac-decay device is composed in parallel with high pass circuit.
Between ac-decay device is connected on carrier power meter by the present invention, for simulating declining between live ammeter and ammeter
Subtract, have fixed 30DB 40DB pad values optional, after carrier signal have passed through such attenuator, by second
Before a such attenuator, it is necessary to be relayed by the carrier power meter being connected between the two attenuators, thus shape
Into multihop network, the practical scene in simulation scene can be facilitated.
The present invention in the circuit of platform by adding in certain attenuation, practical electric power wire loop is simulated in noise, load
Border accurately can emulate and test the stabilization of the practical networking of actual carrier communication system, routing capabilities and communication system
The indexs such as property, reliability, copy reading speed.
Specifically test method is:
The test method of a kind of power line carrier routing simulation and test platform, it includes module routing capabilities test side
Method, module routing capabilities test method includes lost route recovery test, routing reconfigures test, the double branches of table node survey
Examination, the double branch testings of concentrator node and networking can communication tests；
The lost route restores test method：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator is with carrying
The M1 connections of wave ammeter, carrier power meter M1 are connect with ac-decay device, and ac-decay device is connect with carrier power meter M2；By adjustable damping
Device and ac-decay device are transferred to 40db, and carrier power meter M1 and carrier power meter M2 are sent data to from DCU, determine carrier power meter M1 and
Carrier power meter M2 can receive data；Remove carrier power meter M1, determine that carrier power meter M2 can not receive data；Then by carrier power meter
Attenuation between M1 and carrier power meter M2 is reduced to 0；Carrier power meter M2 is sent data to from concentrator DCU, examines carrier power meter
M2 can accurately receive data；
The routing reconfigures test method and is：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator is with carrying
The M1 connections of wave ammeter, carrier power meter M1 are connect with ac-decay device, and ac-decay device is connect with carrier power meter M1；By adjustable damping
Device and ac-decay device are transferred to 0, and sending data to carrier power meter M1 and carrier power meter M2 from concentrator DCU can receive, and determine
DCU to carrier power meter M1 and carrier power meter M2 is only jumped by one；Adjustable attenuator and ac-decay device are transferred to 40db, determined
Sending data to carrier power meter M1 and carrier power meter M2 from DCU can receive, and DCU to carrier power meter M1 only has a jump, DCU to load
Wave ammeter M2 has two jumps, and relay node is carrier power meter M1；
The double branch testing methods of table node are：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator and carrier wave electricity
Table M1 connections, carrier wave meter electricity M1 are connect by the first ac-decay device with carrier power meter M2, and carrier power meter M1 passes through the second exchange
Attenuator is connect with carrier power meter M3；All attenuators are transferred to 40db, power on all devices, treat that M1, M2 and M3 network successfully,
Amr frame is sent to M1, M2 and M3 from DCU, determines that each carrier power meter data can be copied and accepted correctly；
The double branch testing methods of concentrator node are：Concentrator DCU is connect with the first adjustable attenuator, first adjustable declines
Subtract device to connect with carrier power meter M1, carrier power meter M1 is connect with ac-decay device, and ac-decay device is connect with carrier power meter M2, collection
Middle device DCU is connect by the second adjustable attenuator with carrier wave meter M3；All attenuators are transferred to 40db, all devices is powered on, treats
M1, M2 and M3 network successfully, send amr frame to M1, M2 and M3 from DCU, determine that each table data can be copied and accepted correctly；
Network can communication test method be：Concentrator DCU is connect by adjustable attenuator with carrier power meter M1, it can
Controlled attenuator is transferred to 0db, after M1 networks, starts meter reading by concentrator, determines the correct copy reading of carrier power meter M1 energy, declines adjustable
Subtract device output noise and gradually tune up meter reading success rate to stop after 0, power on all devices in addition to adjustable attenuator after power down again,
It determines that carrier power meter M1 cannot network, reduces noise output, until carrier power meter M1 can network, again through concentrator meter reading number
According to determining that carrier wave meter M1 data can copy.
The test method of a kind of power line carrier routing simulation and test platform, the module routing capabilities test method is also
Including：
Routing avoids passing through weak tendency link test：Concentrator DCU is connect and ac-decay device, carrier wave with adjustable attenuator
Ammeter M2 is connected with carrier power meter M1, and ac-decay device is connect with carrier power meter M3, and noise generator is connected on carrier power meter M1
Before；Concentrator, noise generator are powered on, 15db is transferred in the output of noise generator, M1 and M2 is powered on, is copied by concentrator
Table determines that table can correctly be read, then power on M3, and M3 is copied by concentrator, determines correctly to read；Complement is opened up by network to determine
Path from DCU to M3, it is using M2 as relaying to determine DCU, is jumped to by one up to M3 rather than using M1 as relaying；
Puppet's node gets around test, and it is identical that wiring diagram and routing avoid passing through weak tendency link test, by adjustable attenuator with
Ac-decay device is transferred to 40db, powers on concentrator and noise generator, and noise generator is transferred to 15db, first powers on M1 and M2,
It by concentrator meter reading, determines that table can correctly be read, then power on M3 tables, M3 tables is read by concentrator, determine that M3 can correctly be read
It takes, the path that complement checks DCU to M3 is opened up by network, it is to reach M3 by relaying of M2 to determine DCU, pulls out M2 at this time, makes M2
It as puppet's node, by DCU meter readings, determines that M3 can be copied, checks the path from DCU to M3, determine that DCU is reached by relaying of M1
M3。
It is routed through 8 jump aptitude tests：Concentrator and M1-M7 carrier power meters are connected in series with, concentrator and carrier power meter
It connects between M1 adjustable attenuator, all attenuators are adjusted to by series AC attenuator between each carrier power meters of M1-M7
40db, all devices powered on confirm that M1-M7 can network, and can prove that routing disclosure satisfy that 8 jumps by DCU meter readings
Ability.
The maximum packet test of routing：It is routed through 8 jump aptitude tests：Concentrator and M1-M7 carrier power meters are connected in series with, collected
It connects between middle device and carrier power meter M1 adjustable attenuator, series AC attenuator between each carrier power meters of M1-M7 will be all
Attenuator is adjusted to 40db, all devices powered on, confirms that M1-M7 can network, DCU sends maximum data packet to carrier wave as far as possible
Ammeter receives maximum data packet to DCU from carrier power meter.Success rate is observed in retest, and determining module is to ultra-long data frame
The ability that segmentation sends and reconfigures.
The test method of a kind of power line carrier routing simulation and test platform, it includes network module aptitude tests, institute
Network module aptitude tests are stated to include：
Networking time test is powered on after all devices power down：By a concentrator, 40 pieces of carrier power meters and 5 ac-decays
Device connects networking, powers on all devices, opens up complement by host computer network and checks all devices network entry time, and determine all loads
Wave ammeter can copy reading, all carrier power meter network entry times were no more than 1 hour；The test is in order to which carrier power meter is examined to concentrate
It when powering on, determines whether table module has discrete registration algorithm, module is avoided to concentrate data frame conflict when registering.
Networking time test after powering on or reset again after concentrator power down：By a concentrator, 40 pieces of carrier power meters and 5
Ac-decay device connect networking, power on all devices, by host computer network open up complement determine all devices network after, reset collection
Middle device opens up complement by network and checks all carrier power meters network entry time again, and confirm all carrier power meters can copy reading, really
The time that fixed all carrier power meters network again powers on the networking time after being necessarily less than all devices power down；The purpose of this test is
After concentrator is examined to reset, if there is the equipment to have networked before broadcast mechanism notice to report their network again
ID, so that concentrator can rebuild the record list for having entered netlist lost after power down, and rebuild neighboar lists and routing table accordingly.
Networking time effects are tested in the case of continuous meter reading：One concentrator, 40 pieces of carrier power meters with 5 are exchanged and are declined
Subtract device connection networking, power on concentrator and wherein a carrier power meter, opening up complement by network has determined the carrier power meter powered on
It networks, it is logical to determine that the carrier power meter can copy, cycle copies and accepts the carrier power meter, while power on remaining 39 pieces of carrier power meters, records
All carrier power meter network entry times, network entry time cannot be more than 2 hours；The purpose of the test is suggestion concentrator module physical layer
Whether the data throughout of concurrent data ability, i.e. unit interval meets meter reading application requirement.
Maximum networking volume test：One concentrator and a collector connection, by collector repeatedly using differently
Location registration operation, collector record succeed in registration number, and staff determines that maximum succeeds in registration number by collector LOG.
The purpose of this test is the maximum capacity of the routing table maximum capacity and neighboar lists that test out concentrator carrier module.
The test method of a kind of power line carrier routing simulation and test platform, it includes resisting tests with frequency noise immune,
Anti- tested with frequency noise immune is to connect concentrator DCU with adjustable attenuator, and adjustable attenuator connects with ac-decay device
It connects, ac-decay device is connect with carrier power meter M1, is connected with noise generator in controlled attenuator and ac-decay device, is declined adjustable
Subtract device and be adjusted to 10db, ac-decay device is adjusted to 40db, powers on all devices, and the output of noise generator is transferred to 0db, determines M1
It networks successfully, by DCU meter readings, determines the accurate copy reading of M1 energy, noise generator output band is transferred to Chong Die with carrier frequency band
50%, by DCU meter readings, determine that M1 can be copied accurately, be stepped up noise generator output power, until meter reading success rate 0
When stop, the maximum noise output power of recording noise generator and the bandwidth of overlapping bands；Test purpose is：Due to G3 modules
Module all supports a common characteristic to be called trap, and popular saying is exactly that heavily disturbed sub-band is made a label,
During transmission next time, the sub-band being marked without this is transmitted into data, therefore is avoided because of the interference of same frequency noise, transmission
Corrupt data.Therefore this example is exactly in order to which whether authentication module has the anti-ability with frequency noise.
Claims (6)
1. the test method of a kind of power line carrier routing simulation and test platform, it includes carrier power meter, carrier signal and collection
Middle device connection, concentrator are connect with adjustable attenuator, and adjustable attenuator is electrically connected with city, and alternating current is connect with carrier power meter, carrier wave
Ammeter is connected in series with, and is in series with ac-decay device between the carrier power meter connected；It is characterized in that：The test mode packet
It includes：Module routing capabilities test method；Network module aptitude tests are tested with anti-with frequency noise immune；The module routing capabilities
Test method restores test including lost route, routing reconfigures test, the double branch testings of table node, concentrator node pair point
Branch is tested and networked can communication test；
The lost route restores test method：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator and carrier wave electricity
Table M1 connections, carrier power meter M1 are connect with ac-decay device, and ac-decay device is connect with carrier power meter M2；By adjustable attenuator and
Ac-decay device is transferred to 40db, sends data to carrier power meter M1 and carrier power meter M2 from DCU, determines carrier power meter M1 and carrier wave
Ammeter M2 can receive data；Remove carrier power meter M1, determine that carrier power meter M2 can not receive data；Then by carrier power meter M1 with
Attenuation between carrier power meter M2 is reduced to 0；Carrier power meter M2 is sent data to from concentrator DCU, examines carrier power meter M2 energy
Accurately receive data；
The routing reconfigures test method and is：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator and carrier wave electricity
Table M1 connections, carrier power meter M1 are connect with ac-decay device, and ac-decay device is connect with carrier power meter M1；By adjustable attenuator and
Ac-decay device is transferred to 0, and sending data to carrier power meter M1 and carrier power meter M2 from concentrator DCU can receive, and determine that DCU is arrived
Carrier power meter M1 and carrier power meter M2 is only jumped by one；Adjustable attenuator and ac-decay device are transferred to 40db, determined from DCU
Sending data to carrier power meter M1 and carrier power meter M2 can receive, and DCU to carrier power meter M1 only has a jump, DCU to carrier wave electricity
Table M2 has two jumps, and relay node is carrier power meter M1；
The double branch testing methods of table node are：Concentrator DCU is connect with adjustable attenuator, adjustable attenuator and carrier power meter M1
Connection, carrier wave meter electricity M1 are connect by the first ac-decay device with carrier power meter M2, and carrier power meter M1 passes through the second ac-decay
Device is connect with carrier power meter M3；All attenuators are transferred to 40db, power on all devices, treat M1, M2 and M3 network successfully, from
DCU sends amr frame to M1, M2 and M3, determines that each carrier power meter data can be copied and accepted correctly；
The double branch testing methods of concentrator node are：Concentrator DCU is connect with the first adjustable attenuator, the first adjustable attenuator
It is connect with carrier power meter M1, carrier power meter M1 is connect with ac-decay device, and ac-decay device is connect with carrier power meter M2, concentrator
DCU is connect by the second adjustable attenuator with carrier wave meter M3；All attenuators are transferred to 40db, all devices is powered on, treats M1, M2
It networks successfully with M3, sends amr frame to M1, M2 and M3 from DCU, determine that each table data can be copied and accepted correctly；
Network can communication test method be：Concentrator DCU by adjustable attenuator with carrier power meter M1 is connect, is declined adjustable
Subtract device and be transferred to 0db, after M1 networks, meter reading is started by concentrator, the correct copy reading of carrier power meter M1 energy is determined, by adjustable attenuator
Output noise, which is gradually tuned up after meter reading success rate is 0, to be stopped, and is powered on all devices in addition to adjustable attenuator after power down again, is determined
Carrier power meter M1 cannot network, and reduce noise output, until carrier power meter M1 can network, again through concentrator meter reading data,
Determine that carrier wave meter M1 data can copy.
2. the test method of a kind of power line carrier routing simulation according to claim 1 and test platform, feature exist
In：From 5 to 500 kH z of adjustable attenuator frequency of fadings, decaying amplitudes are from 0dB to 90 dB.
3. the test method of a kind of power line carrier routing simulation according to claim 1 and test platform, feature exist
In：Ac-decay device is 30 or 40dB pad values, and ac-decay device includes low pass circuit and high pass circuit, low pass circuit and high pass
Circuit in parallel forms ac-decay device.
4. the test method of a kind of power line carrier routing simulation according to claim 1 and test platform, feature exist
In：The module routing capabilities test method further includes：
Routing avoids passing through weak tendency link test：Concentrator DCU is connect and ac-decay device, carrier power meter with adjustable attenuator
M2 is connected with carrier power meter M1, and ac-decay device is connect with carrier power meter M3, and noise generator is connected on before carrier power meter M1；
Concentrator, noise generator are powered on, 15db is transferred in the output of noise generator, powers on M1 and M2, it is true by concentrator meter reading
Determining table can correctly read, then power on M3, and M3 is copied by concentrator, determine correctly to read；Complement is opened up by network to determine from DCU
To the path of M3, it is using M2 as relaying to determine DCU, is jumped to by one up to M3 rather than using M1 as relaying；
Puppet's node gets around test, and it is identical that wiring diagram and routing avoid passing through weak tendency link test, by adjustable attenuator with exchange
Attenuator is transferred to 40db, powers on concentrator and noise generator, and noise generator is transferred to 15db, M1 and M2 is first powered on, passes through
Concentrator meter reading determines that table can correctly be read, then powers on M3 tables, reads M3 tables by concentrator, determines that M3 can correctly be read, leads to
It crosses network and opens up the path that complement checks DCU to M3, it is to reach M3 by relaying of M2 to determine DCU, pulls out M2 at this time, and M2 is made to become puppet
Puppet node by DCU meter readings, determines that M3 can be copied, checks the path from DCU to M3, determines that DCU reaches M3 by relaying of M1.
5. the test method of a kind of power line carrier routing simulation according to claim 1 and test platform, feature exist
In：The network module aptitude tests include：
Networking time test is powered on after all devices power down：One concentrator, 40 pieces of carrier power meters and 5 ac-decay devices are connected
Networking is connect, powers on all devices, complement is opened up by host computer network and checks all devices network entry time, and determines all carrier wave electricity
Table can copy reading, all carrier power meter network entry times were no more than 1 hour；
Networking time test after powering on or reset again after concentrator power down：One concentrator, 40 pieces of carrier power meters are exchanged with 5
Attenuator connect networking, power on all devices, by host computer network open up complement determine all devices network after, reset concentrate
Device opens up complement by network and checks all carrier power meters network entry time again, and confirm all carrier power meters can copy reading, determine
The time that all carrier power meters network again powers on the networking time after being necessarily less than all devices power down；
Networking time effects are tested in the case of continuous meter reading：By a concentrator, 40 pieces of carrier power meters and 5 ac-decay devices
Networking is connected, powers on concentrator and wherein a carrier power meter, opening up the carrier power meter that complement determines to power on by network has networked,
It is logical to determine that the carrier power meter can copy, cycle copies and accepts the carrier power meter, while power on remaining 39 pieces of carrier power meters, records all loads
Wave ammeter network entry time, network entry time cannot be more than 2 hours；
Maximum networking volume test：One concentrator and a collector connection, are noted by collector using different address repeatedly
Volume operation, collector record succeed in registration number, and staff determines that maximum succeeds in registration number by collector LOG.
6. the test method of a kind of power line carrier routing simulation according to claim 1 and test platform, feature exist
In：Anti- tested with frequency noise immune is to connect concentrator DCU with adjustable attenuator, adjustable attenuator and ac-decay device
Connection, ac-decay device are connect with carrier power meter M1, and noise generator is connected in controlled attenuator and ac-decay device, will be adjustable
Attenuator is adjusted to 10db, and ac-decay device is adjusted to 40db, powers on all devices, and the output of noise generator is transferred to 0db, determines
M1 networks successfully, by DCU meter readings, determines the accurate copy reading of M1 energy, noise generator output band is transferred to and carrier frequency band weight
Folded 50%, by DCU meter readings, determine that M1 can be copied accurately, be stepped up noise generator output power, until meter reading success rate 0
When stop, the maximum noise output power of recording noise generator and the bandwidth of overlapping bands.
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| CN106160789B (en) * | 2016-08-17 | 2018-08-28 | 华立科技股份有限公司 | Power carrier signal quality detection device |
| CN106341160B (en) * | 2016-08-23 | 2019-03-08 | 杭州海兴电力科技股份有限公司 | The laboratory test device and method of low voltage power line carrier network |
| CN106330358B (en) * | 2016-08-31 | 2019-02-12 | 中电华瑞技术有限公司 | A kind of bandwidth carrier emulation test system |
| CN106899328B (en) * | 2017-03-15 | 2021-07-09 | 博尔联科（厦门）智能技术有限公司 | Home ad hoc network method based on power line carrier |
| CN107294562B (en) * | 2017-08-16 | 2020-11-10 | 国家电网公司 | Low-voltage power carrier module simulation detection device |
| CN107659336B (en) * | 2017-08-21 | 2020-10-30 | 宁波德晶元科技有限公司 | Function test method of power line carrier module |
| CN109347518A (en) * | 2018-11-12 | 2019-02-15 | 国网天津市电力公司电力科学研究院 | A kind of analysis method and system of low voltage electric power carrier communication decaying |
| CN114531174B (en) * | 2021-10-29 | 2024-09-20 | 华立科技股份有限公司 | Test method of HPLC communication test system based on strong current attenuator |
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| EP1475901A1 (en) * | 2002-02-13 | 2004-11-10 | SUMITOMO ELECTRIC INDUSTRIES Ltd | Power line carrier communication modem |
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