CN105656518A - Power line carrier wave routing simulating and testing platform and testing method - Google Patents
Power line carrier wave routing simulating and testing platform and testing method Download PDFInfo
- Publication number
- CN105656518A CN105656518A CN201610168849.9A CN201610168849A CN105656518A CN 105656518 A CN105656518 A CN 105656518A CN 201610168849 A CN201610168849 A CN 201610168849A CN 105656518 A CN105656518 A CN 105656518A
- Authority
- CN
- China
- Prior art keywords
- power meter
- carrier power
- carrier
- concentrator
- meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a power line carrier wave routing simulating and testing platform and a testing method thereof. The platform comprises carrier wave electricity meters, a carrier wave signal is connected with a concentrator, the concentrator is connected with an adjustable attenuator, the adjustable attenuator is connected with a mains supply, the mains supply is connected with the carrier wave electricity meters, and alternating-current attenuators are connected among the carrier wave electricity meters in series. Accordingly, the technical problem that in the prior art, a power line carrier wave meter reading system has no appropriate detection means for detecting the data transmission reliability and the attenuation characteristic, the interference characteristic, the impedance characteristic, the time-varying structure characteristic and the like of a low-voltage power line is solved.
Description
Technical field:
The invention belongs to power line carrier measuring technology, particularly relate to a kind of power line carrier routing simulation and test platform and testing method.
Background technology:
Low-voltage power line has the dynamically time varying characteristic such as high decay, strong jamming, impedance variable, structurally variable for carrier meter reading, but does not also have an authoritative institution to carry out testing and analysis comprehensively and effectively for the feature of low-voltage power line at present. 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 bring the sequela of carrier-in-interference. The DL/T698 standard (low-voltage customer automatic meter reading system) come out in 1999 can not adapt to the requirement of current kilowatt meter reading-out system development, even if having ever made for 2010, once to revise also be like this, existing test item can not meet the needs of existing ZAP development, also having data transmission credibility test to lack concrete test method, the most serious problem is the test platform that the impact of carrier meter reading is not provided concrete by the attenuation characteristic for low-voltage power line, interference characteristic, impedance characteristic, Time variable structure characteristic.
Summary of the invention:
The technical problem to be solved in the present invention: provide a kind of power line carrier routing simulation and test platform and testing method, to solve the power line carrier meter reading system of prior art and not have suitable detection means to detect the technical problems such as data transmission credibility, the attenuation characteristic of low-voltage power line, interference characteristic, impedance characteristic and Time variable structure characteristic.
Technical solution of the present invention:
A kind of power line carrier routing simulation and test platform, it comprises carrier power meter, carrier wave signal is connected with concentrator, concentrator is connected with adjustable attenuator, adjustable attenuator is electrically connected with city, city's electricity is connected with carrier power meter, and carrier power meter is connected in series, and is in series with exchange losser between the carrier power meter of series connection.
Adjustable attenuator decay frequency is from 5 to 500kHz, and its decaying amplitudes is from 0dB to 90dB;
Exchange losser is 30 or 40dB pad value, and exchange losser comprises low pass circuit and high pass circuit, and low pass circuit composes in parallel with high pass circuit and exchanges losser.
The testing method of a kind of power line carrier routing simulation and test platform, it comprises module routing capabilities testing method, test that module routing capabilities testing method comprises the test of route loss recovery, route reconfigures test, the two branches of table node test, the test of concentrator node two branches can communicate with networking;
Described route loss recovery testing method is: being connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, and carrier power meter M1 is connected with exchange losser, and exchange losser is connected with carrier power meter M2; By adjustable attenuator with exchanging losser be transferred to 40db, send data to carrier power meter M1 and carrier power meter M2 from DCU, it is determined that carrier power meter M1 and carrier power meter M2 can receive data; Remove carrier power meter M1, it is determined that carrier power meter M2 receives less than data; Then the decay between carrier power meter M1 and carrier power meter M2 is reduced to 0; Sending data to carrier power meter M2 from concentrator DCU, inspection carrier power meter M2 can accurately receive data;
Described route reconfigures testing method: being connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, and carrier power meter M1 is connected with exchange losser, and exchange losser is connected with carrier power meter M1; By adjustable attenuator with exchanging losser be transferred to 0, sending data to carrier power meter M1 and carrier power meter M2 from concentrator DCU can receive, it is determined that DCU to carrier power meter M1 and carrier power meter M2 only jumps through one; By adjustable attenuator with exchanging losser be transferred to 40db, it is determined that sending data to carrier power meter M1 and carrier power meter M2 from DCU can receive, and DCU to carrier power meter M1 is a jumping only, and DCU to carrier power meter M2 has two jumpings, and relaying node is carrier power meter M1;
Table node two branches testing method is: be connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, carrier wave meter electricity M1 is connected with carrier power meter M2 by the first exchange losser, and carrier power meter M1 is connected with carrier power meter M3 by the 2nd exchange losser; All lossers are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully, sends amr frame to M1, M2 and M3 from DCU, it is determined that each carrier power meter data can correctly be copied and accepted;
Concentrator node two branches testing method is: be connected with the first adjustable attenuator by concentrator DCU, first adjustable attenuator is connected with carrier power meter M1, carrier power meter M1 is connected with exchange losser, exchange losser is connected with carrier power meter M2, and concentrator DCU is connected with carrier wave meter M3 by the 2nd adjustable attenuator; All lossers are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully, sends amr frame to M1, M2 and M3 from DCU, it is determined that each table data can correctly be copied and accepted;
Networking can communication test method be: is connected with carrier power meter M1 by adjustable attenuator by concentrator DCU, adjustable attenuator is transferred to 0db, after M1 networks, start to check meter by concentrator, determine the correct copy reading of carrier power meter M1 energy, adjustable attenuator exports noise, and progressively to tune up success ratio of checking meter be stop after 0, power on after falling electricity all devices again except adjustable attenuator, determine that carrier power meter M1 can not network, noise decrease exports, until carrier power meter M1 can network, again by concentrator meter reading data, it is determined that carrier wave meter M1 data can be copied.
A testing method for power line carrier routing simulation and test platform, described module routing capabilities testing method also comprises:
Route is avoided being tested by weak tendency link: is connected with adjustable attenuator by concentrator DCU and is connected with exchange losser, carrier power meter M2 and carrier power meter M1, and exchange losser is connected with carrier power meter M3, before noise generator is connected on carrier power meter M1;Power on concentrator, noise generator, and the output of noise generator is transferred to 15db, and power on M1 and M2, is checked meter by concentrator and determines that table can correctly read, then the M3 that powers on, and copies M3 by concentrator, it is determined that can correctly read; Open up benefit figure by network and determine the path from DCU to M3, it is determined that DCU take M2 as relaying, jumps to through one and reaches M3, instead of be relaying taking M1;
Puppet's node gets around test, wiring scheme and route are avoided by the test of weak tendency link identical, by adjustable attenuator with exchanging losser be transferred to 40db, power on concentrator and noise generator, noise generator is transferred to 15db, first power on M1 and M2, checked meter by concentrator, determine that table can correctly read, power on M3 table again, M3 table is read by concentrator, determine that M3 can correctly read, the path that benefit figure checks DCU to M3 is opened up by network, determining that DCU is is that relaying arrives M3 taking M2, now pull out M2, M2 is made to become puppet's node, checked meter by DCU, determine that M3 can copy, check the path from DCU to M3, determine that DCU is that relaying arrives M3 taking M1.
A testing method for power line carrier routing simulation and test platform, it comprises network module aptitude tests, and described network module aptitude tests comprise:
All devices powers on after falling electricity networking time test: a concentrator, 40 pieces of carrier power meter is exchanged losser with 5 and connects networking, power on all devices, open up benefit figure by upper computer network and check all devices network entry time, and determine all carrier power meter can copy reading, all carrier power meter network entry time can not more than 1 hour;
Concentrator powers on after falling electricity or networking time test after resetting again: a concentrator, 40 pieces of carrier power meter is exchanged losser with 5 and connects networking, power on all devices, by upper computer network open up benefit figure determine all devices network after, reset concentrator, open up benefit figure by network and check all carrier power meter network entry time again, and confirming that all carrier power meter can copy reading, it is determined that the time that all carrier power meter network again must be less than after all devices falls electricity and powers on the networking time;
In situation of checking meter continuously, networking time effects is tested: a concentrator, 40 pieces of carrier power meter with 5, are exchanged losser and connect networking, power on concentrator and a wherein carrier power meter, open up benefit figure by network and determine that the carrier power meter powered on networks, determine that this carrier power meter can be copied logical, this carrier power meter is copied and accepted in circulation, power on 39 pieces of remaining carrier power meter simultaneously, records all carrier power meter network entry time, and network entry time can not be greater than 2 hours;
Maximum networking volume test a: concentrator and collector connect, adopts the registration operation of different addresses repeatedly by collector, and collector record succeeds in registration number of times, and staff determines the maximum number of times that succeeds in registration by collector LOG. the testing method of a kind of power line carrier routing simulation and test platform, it comprises anti-with noise immune test frequently, described anti-test with frequency noise immune is connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with exchange losser, exchange losser is connected with carrier power meter M1, at controlled attenuator, losser is connected with noise generator with exchanging, adjustable attenuator is adjusted to 10db, exchange losser is adjusted to 40db, power on all devices, 0db is transferred in the output of noise generator, determine that M1 networks successfully, checked meter by DCU, determine M1 energy accurately copy reading, noise generator output band is transferred to overlapping with carrier wave frequency band 50%, checked meter by DCU, determine that M1 can accurately copy, progressively increase noise generator output rating, stop during success ratio 0 until checking meter, the maximum noise output rating of recording noise producer and the bandwidth of overlapping bands.
The useful effect of the present invention:
The present invention is not limited to laboratory, the carrier path that all can set up the present invention in major part electricity consumption place by simulate and test platform, under not needing to be placed in dedicated transformer, easy to operate, invest little; Losser between carrier power meter of the present invention and carrier power meter exchanges losser, it is that scene the most directly, is objectively simulated, do not need to be coupled or isolation processing by carrier wave signal, therefore it is applicable to be tested by the carrier module of various different center frequency and modulation system, wide accommodation, and simple and practical, accurately and reliably; Carrier power meter with exchange between losser or series wiring between carrier power meter and carrier power meter, therefore network size is unrestricted, and jumping figure is unrestricted, can increase according to practical situation, reduce test node, and structure is flexible;
Simulate and test platform according to the present invention can reach the networking ability that carried out by carrier module, routing capabilities, anti-same noise immune, communication system stability and reliability testing frequently, by the simulate and test platform of the present invention, artificially communication channel can be decayed, force Carrier Node to carry out networking and route, adopt multiple test mode to the networking of carrier module and route, the anti-test and evaluation carrying out special project, multi-angle with frequency noise immune. And by upper computer software and test platform with the use of system being copied and accepted the time, system stability, reliability index carry out comprehensive test and evaluation. The power line carrier meter reading system solving prior art does not have suitable detection means to detect the technical problems such as data transmission credibility, the attenuation characteristic of low-voltage power line, interference characteristic, impedance characteristic and Time variable structure characteristic.
Accompanying drawing illustrates:
Fig. 1 present configuration schematic diagram;
Fig. 2 is that the present invention exchanges attenuator structure schematic diagram;
Fig. 3 is embodiment of the present invention route loss recovery test wiring schematic diagram;
Fig. 4 is that embodiment of the present invention route reconfigures test wiring schematic diagram;
Fig. 5 is embodiment of the present invention table node two branches test wiring schematic diagrams;
Fig. 6 is embodiment of the present invention concentrator node two branches test wiring schematic diagrams;
Fig. 7 is that the embodiment of the present invention networks and can communicate test wiring schematic diagram;
Fig. 8 is that embodiment of the present invention route is avoided getting around test wiring schematic diagram by the test of weak tendency link and puppet's node;
Fig. 9 is that embodiment of the present invention route is by the maximum bag test wiring schematic diagram of 8 jumping aptitude tests and route;
Figure 10 is that the embodiment of the present invention is anti-with the wiring schematic diagram of noise immune test frequently.
Embodiment:
In accompanying drawing, DCU represents concentrator, and M1-Mn represents carrier power meter.
A kind of power line carrier routing simulation and test platform, it comprises carrier power meter, carrier wave signal is connected with concentrator, concentrator is connected with adjustable attenuator, adjustable attenuator is electrically connected with city, city's electricity is connected with carrier power meter, and carrier power meter is connected in series, and is in series with exchange losser between the carrier power meter of series connection.
Carrier power meter is connected by the present invention, be because it is found by the applicant that: current carrier power meter is connected on after front one piece of carrier power meter as the load of front one piece of carrier power meter, signal is often after the carrier power meter of one piece of serial connection, carrier wave signal will be decayed about 1-2db, therefore carrier power meter is connected by the present invention, has the advantage of four aspects:
The carrier power meter that convenient access is a large amount of;
Every block carrier power meter is all different to the pad value of concentrator, more easily forms multi-hop;
Test platform cost is low, economic, practical;
This kind of structure can reduce the impact that between carrier power meter, carrier wave signal radiation is propagated.
Adopt the adjustable attenuator in the present invention, can by carrier wave signal by after concentrator after adjustable attenuator is decayed, be sent to ammeter end, it is possible to realize the decay in carrier signal transmission process between simulated field environment concentrator and ammeter easily.
Adjustable attenuator decay frequency is from 5 to 500kHz, and its decaying amplitudes is from 0dB to 90dB;
Exchange losser is 30 or 40dB pad value, and exchange losser comprises low pass circuit and high pass circuit, and low pass circuit composes in parallel with high pass circuit and exchanges losser.
Exchange losser is connected between carrier power meter by the present invention, the decay being used between simulated field ammeter and ammeter, there is fixing 30DB or 40DB pad value optional, after carrier wave signal have passed through such losser, before the 2nd such losser, have to pass through the carrier power meter being connected between these two lossers and carry out relaying, material is thus formed multihop network, it is possible to facilitate the actual sight of simulated field.
The present invention by adding certain decay in the circuit of platform, noise, load simulate actual power line environment, can accurately emulate and test actual networking, the routing capabilities of actual carrier communication system, and the index such as the stability of communication system, reliability, copy reading speed.
Concrete testing method is:
The testing method of a kind of power line carrier routing simulation and test platform, it comprises module routing capabilities testing method, test that module routing capabilities testing method comprises the test of route loss recovery, route reconfigures test, the two branches of table node test, the test of concentrator node two branches can communicate with networking;
Described route loss recovery testing method is: being connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, and carrier power meter M1 is connected with exchange losser, and exchange losser is connected with carrier power meter M2; By adjustable attenuator with exchanging losser be transferred to 40db, send data to carrier power meter M1 and carrier power meter M2 from DCU, it is determined that carrier power meter M1 and carrier power meter M2 can receive data; Remove carrier power meter M1, it is determined that carrier power meter M2 receives less than data; Then the decay between carrier power meter M1 and carrier power meter M2 is reduced to 0; Sending data to carrier power meter M2 from concentrator DCU, inspection carrier power meter M2 can accurately receive data;
Described route reconfigures testing method: being connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, and carrier power meter M1 is connected with exchange losser, and exchange losser is connected with carrier power meter M1; By adjustable attenuator with exchanging losser be transferred to 0, sending data to carrier power meter M1 and carrier power meter M2 from concentrator DCU can receive, it is determined that DCU to carrier power meter M1 and carrier power meter M2 only jumps through one; By adjustable attenuator with exchanging losser be transferred to 40db, it is determined that sending data to carrier power meter M1 and carrier power meter M2 from DCU can receive, and DCU to carrier power meter M1 is a jumping only, and DCU to carrier power meter M2 has two jumpings, and relaying node is carrier power meter M1;
Table node two branches testing method is: be connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, carrier wave meter electricity M1 is connected with carrier power meter M2 by the first exchange losser, and carrier power meter M1 is connected with carrier power meter M3 by the 2nd exchange losser;All lossers are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully, sends amr frame to M1, M2 and M3 from DCU, it is determined that each carrier power meter data can correctly be copied and accepted;
Concentrator node two branches testing method is: be connected with the first adjustable attenuator by concentrator DCU, first adjustable attenuator is connected with carrier power meter M1, carrier power meter M1 is connected with exchange losser, exchange losser is connected with carrier power meter M2, and concentrator DCU is connected with carrier wave meter M3 by the 2nd adjustable attenuator; All lossers are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully, sends amr frame to M1, M2 and M3 from DCU, it is determined that each table data can correctly be copied and accepted;
Networking can communication test method be: is connected with carrier power meter M1 by adjustable attenuator by concentrator DCU, adjustable attenuator is transferred to 0db, after M1 networks, start to check meter by concentrator, determine the correct copy reading of carrier power meter M1 energy, adjustable attenuator exports noise, and progressively to tune up success ratio of checking meter be stop after 0, power on after falling electricity all devices again except adjustable attenuator, determine that carrier power meter M1 can not network, noise decrease exports, until carrier power meter M1 can network, again by concentrator meter reading data, it is determined that carrier wave meter M1 data can be copied.
A testing method for power line carrier routing simulation and test platform, described module routing capabilities testing method also comprises:
Route is avoided being tested by weak tendency link: is connected with adjustable attenuator by concentrator DCU and is connected with exchange losser, carrier power meter M2 and carrier power meter M1, and exchange losser is connected with carrier power meter M3, before noise generator is connected on carrier power meter M1; Power on concentrator, noise generator, and the output of noise generator is transferred to 15db, and power on M1 and M2, is checked meter by concentrator and determines that table can correctly read, then the M3 that powers on, and copies M3 by concentrator, it is determined that can correctly read; Open up benefit figure by network and determine the path from DCU to M3, it is determined that DCU take M2 as relaying, jumps to through one and reaches M3, instead of be relaying taking M1;
Puppet's node gets around test, wiring scheme and route are avoided by the test of weak tendency link identical, by adjustable attenuator with exchanging losser be transferred to 40db, power on concentrator and noise generator, noise generator is transferred to 15db, first power on M1 and M2, checked meter by concentrator, determine that table can correctly read, power on M3 table again, M3 table is read by concentrator, determine that M3 can correctly read, the path that benefit figure checks DCU to M3 is opened up by network, determining that DCU is is that relaying arrives M3 taking M2, now pull out M2, M2 is made to become puppet's node, checked meter by DCU, determine that M3 can copy, check the path from DCU to M3, determine that DCU is that relaying arrives M3 taking M1.
Route is by 8 jumping aptitude tests: concentrator and M1-M7 carrier power meter are connected in series, connect between concentrator with carrier power meter M1 adjustable attenuator, series connection exchange losser between each carrier power meter of M1-M7, all lossers are adjusted to 40db, the all devices powered on, confirm that M1-M7 can network, and can be checked meter by DCU, namely prove that route can meet 8 jumping abilities.
The maximum bag test of route: route is by 8 jumping aptitude tests: concentrator and M1-M7 carrier power meter are connected in series, connect between concentrator with carrier power meter M1 adjustable attenuator, series connection exchange losser between each carrier power meter of M1-M7, all lossers are adjusted to 40db, the all devices powered on, confirming that M1-M7 can network, DCU sends maximum data packet as far as possible to carrier power meter, or receives maximum data packet to DCU from carrier power meter.Repeated test, observes success ratio, it is determined that the ability that ultra-long data frame segmentation is sent and again combines by module.
A testing method for power line carrier routing simulation and test platform, it comprises network module aptitude tests, and described network module aptitude tests comprise:
All devices powers on after falling electricity networking time test: a concentrator, 40 pieces of carrier power meter is exchanged losser with 5 and connects networking, power on all devices, open up benefit figure by upper computer network and check all devices network entry time, and determine all carrier power meter can copy reading, all carrier power meter network entry time can not more than 1 hour; This test be in order to check carrier power meter concentrate power on time, it is determined that whether table module has discrete registration algorithm, avoid module concentrate registration time data frame conflict.
Concentrator powers on after falling electricity or networking time test after resetting again: a concentrator, 40 pieces of carrier power meter is exchanged losser with 5 and connects networking, power on all devices, by upper computer network open up benefit figure determine all devices network after, reset concentrator, open up benefit figure by network and check all carrier power meter network entry time again, and confirming that all carrier power meter can copy reading, it is determined that the time that all carrier power meter network again must be less than after all devices falls electricity and powers on the networking time; The object of this test be in order to check concentrator reset after, the equipment networked before whether having broadcast mechanism notice reports their network ID again, so that the record list of the table of networking that concentrator is lost after can rebuilding electricity, and rebuild neighboar lists and routing table accordingly.
In situation of checking meter continuously, networking time effects is tested: a concentrator, 40 pieces of carrier power meter with 5, are exchanged losser and connect networking, power on concentrator and a wherein carrier power meter, open up benefit figure by network and determine that the carrier power meter powered on networks, determine that this carrier power meter can be copied logical, this carrier power meter is copied and accepted in circulation, power on 39 pieces of remaining carrier power meter simultaneously, records all carrier power meter network entry time, and network entry time can not be greater than 2 hours; The object of this test is suggestion concentrator module physical layer concurrent data ability, and namely whether the data throughput amount of unit time meets application requirement of checking meter.
Maximum networking volume test a: concentrator and collector connect, adopts the registration operation of different addresses repeatedly by collector, and collector record succeeds in registration number of times, and staff determines the maximum number of times that succeeds in registration by collector LOG. The object of this test is the maximum capacity of routing table maximum capacity and the neighboar lists testing out concentrator carrier module.
The testing method of a kind of power line carrier routing simulation and test platform, it comprises anti-with noise immune test frequently, described anti-test with frequency noise immune is connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with exchange losser, exchange losser is connected with carrier power meter M1, at controlled attenuator, losser is connected with noise generator with exchanging, adjustable attenuator is adjusted to 10db, exchange losser is adjusted to 40db, power on all devices, 0db is transferred in the output of noise generator, determine that M1 networks successfully, checked meter by DCU, determine M1 energy accurately copy reading, noise generator output band is transferred to overlapping with carrier wave frequency band 50%, checked meter by DCU, determine that M1 can accurately copy, progressively increase noise generator output rating, stop during success ratio 0 until checking meter, the maximum noise output rating of recording noise producer and the bandwidth of overlapping bands, test purpose is: owing to G3 module all supports that a common characteristic is called sunken ripple, the sub-band being subject to severe jamming is made a mark by popular say exactly, during transmission next time, the sub-band transmission data of mark will have been made without this, therefore avoid because of the interference with noise frequently, transmission corrupt data.Therefore this example is exactly in order to whether authentication module possesses the anti-ability with noise frequently.
Claims (7)
1. a power line carrier routing simulation and test platform, it comprises carrier power meter, it is characterized in that: carrier wave signal is connected with concentrator, concentrator is connected with adjustable attenuator, adjustable attenuator is electrically connected with city, city's electricity is connected with carrier power meter, and carrier power meter is connected in series, and is in series with exchange losser between the carrier power meter of series connection.
2. a kind of power line carrier routing simulation according to claim 1 and test platform, it is characterised in that: adjustable attenuator decay frequency is from 5 to 500kHz, and its decaying amplitudes is from 0dB to 90dB.
3. a kind of power line carrier routing simulation according to claim 1 and test platform, it is characterized in that: exchange losser is 30 or 40dB pad value, exchange losser comprises low pass circuit and high pass circuit, and low pass circuit composes in parallel with high pass circuit and exchanges losser.
4. the testing method of a power line carrier routing simulation and test platform, it comprises module routing capabilities testing method, it is characterised in that: test that module routing capabilities testing method comprises the test of route loss recovery, route reconfigures test, the two branches of table node test, the test of concentrator node two branches can communicate with networking;
Described route loss recovery testing method is: being connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, and carrier power meter M1 is connected with exchange losser, and exchange losser is connected with carrier power meter M2; By adjustable attenuator with exchanging losser be transferred to 40db, send data to carrier power meter M1 and carrier power meter M2 from DCU, it is determined that carrier power meter M1 and carrier power meter M2 can receive data; Remove carrier power meter M1, it is determined that carrier power meter M2 receives less than data; Then the decay between carrier power meter M1 and carrier power meter M2 is reduced to 0; Sending data to carrier power meter M2 from concentrator DCU, inspection carrier power meter M2 can accurately receive data;
Described route reconfigures testing method: being connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, and carrier power meter M1 is connected with exchange losser, and exchange losser is connected with carrier power meter M1; By adjustable attenuator with exchanging losser be transferred to 0, sending data to carrier power meter M1 and carrier power meter M2 from concentrator DCU can receive, it is determined that DCU to carrier power meter M1 and carrier power meter M2 only jumps through one; By adjustable attenuator with exchanging losser be transferred to 40db, it is determined that sending data to carrier power meter M1 and carrier power meter M2 from DCU can receive, and DCU to carrier power meter M1 is a jumping only, and DCU to carrier power meter M2 has two jumpings, and relaying node is carrier power meter M1;
Table node two branches testing method is: be connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with carrier power meter M1, carrier wave meter electricity M1 is connected with carrier power meter M2 by the first exchange losser, and carrier power meter M1 is connected with carrier power meter M3 by the 2nd exchange losser; All lossers are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully, sends amr frame to M1, M2 and M3 from DCU, it is determined that each carrier power meter data can correctly be copied and accepted;
Concentrator node two branches testing method is: be connected with the first adjustable attenuator by concentrator DCU, first adjustable attenuator is connected with carrier power meter M1, carrier power meter M1 is connected with exchange losser, exchange losser is connected with carrier power meter M2, and concentrator DCU is connected with carrier wave meter M3 by the 2nd adjustable attenuator;All lossers are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully, sends amr frame to M1, M2 and M3 from DCU, it is determined that each table data can correctly be copied and accepted;
Networking can communication test method be: is connected with carrier power meter M1 by adjustable attenuator by concentrator DCU, adjustable attenuator is transferred to 0db, after M1 networks, start to check meter by concentrator, determine the correct copy reading of carrier power meter M1 energy, adjustable attenuator exports noise, and progressively to tune up success ratio of checking meter be stop after 0, power on after falling electricity all devices again except adjustable attenuator, determine that carrier power meter M1 can not network, noise decrease exports, until carrier power meter M1 can network, again by concentrator meter reading data, it is determined that carrier wave meter M1 data can be copied.
5. the testing method of a kind of power line carrier routing simulation according to claim 4 and test platform, it is characterised in that: described module routing capabilities testing method also comprises:
Route is avoided being tested by weak tendency link: is connected with adjustable attenuator by concentrator DCU and is connected with exchange losser, carrier power meter M2 and carrier power meter M1, and exchange losser is connected with carrier power meter M3, before noise generator is connected on carrier power meter M1; Power on concentrator, noise generator, and the output of noise generator is transferred to 15db, and power on M1 and M2, is checked meter by concentrator and determines that table can correctly read, then the M3 that powers on, and copies M3 by concentrator, it is determined that can correctly read; Open up benefit figure by network and determine the path from DCU to M3, it is determined that DCU take M2 as relaying, jumps to through one and reaches M3, instead of be relaying taking M1;
Puppet's node gets around test, wiring scheme and route are avoided by the test of weak tendency link identical, by adjustable attenuator with exchanging losser be transferred to 40db, power on concentrator and noise generator, noise generator is transferred to 15db, first power on M1 and M2, checked meter by concentrator, determine that table can correctly read, power on M3 table again, M3 table is read by concentrator, determine that M3 can correctly read, the path that benefit figure checks DCU to M3 is opened up by network, determining that DCU is is that relaying arrives M3 taking M2, now pull out M2, M2 is made to become puppet's node, checked meter by DCU, determine that M3 can copy, check the path from DCU to M3, determine that DCU is that relaying arrives M3 taking M1.
6. the testing method of a power line carrier routing simulation and test platform, it is characterised in that: it comprises network module aptitude tests, and described network module aptitude tests comprise:
All devices powers on after falling electricity networking time test: a concentrator, 40 pieces of carrier power meter is exchanged losser with 5 and connects networking, power on all devices, open up benefit figure by upper computer network and check all devices network entry time, and determine all carrier power meter can copy reading, all carrier power meter network entry time can not more than 1 hour;
Concentrator powers on after falling electricity or networking time test after resetting again: a concentrator, 40 pieces of carrier power meter is exchanged losser with 5 and connects networking, power on all devices, by upper computer network open up benefit figure determine all devices network after, reset concentrator, open up benefit figure by network and check all carrier power meter network entry time again, and confirming that all carrier power meter can copy reading, it is determined that the time that all carrier power meter network again must be less than after all devices falls electricity and powers on the networking time;
In situation of checking meter continuously, networking time effects is tested: a concentrator, 40 pieces of carrier power meter with 5, are exchanged losser and connect networking, power on concentrator and a wherein carrier power meter, open up benefit figure by network and determine that the carrier power meter powered on networks, determine that this carrier power meter can be copied logical, this carrier power meter is copied and accepted in circulation, power on 39 pieces of remaining carrier power meter simultaneously, records all carrier power meter network entry time, and network entry time can not be greater than 2 hours;
Maximum networking volume test a: concentrator and collector connect, adopts the registration operation of different addresses repeatedly by collector, and collector record succeeds in registration number of times, and staff determines the maximum number of times that succeeds in registration by collector LOG.
7. the testing method of a power line carrier routing simulation and test platform, it is characterized in that: it comprises anti-with noise immune test frequently, described anti-test with frequency noise immune is connected with adjustable attenuator by concentrator DCU, adjustable attenuator is connected with exchange losser, exchange losser is connected with carrier power meter M1, at controlled attenuator, losser is connected with noise generator with exchanging, adjustable attenuator is adjusted to 10db, exchange losser is adjusted to 40db, power on all devices, 0db is transferred in the output of noise generator, determine that M1 networks successfully, checked meter by DCU, determine M1 energy accurately copy reading, noise generator output band is transferred to overlapping with carrier wave frequency band 50%, checked meter by DCU, determine that M1 can accurately copy, progressively increase noise generator output rating, stop during success ratio 0 until checking meter, the maximum noise output rating of recording noise producer and the bandwidth of overlapping bands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168849.9A CN105656518B (en) | 2016-03-23 | 2016-03-23 | A kind of power line carrier routing simulation and test platform and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168849.9A CN105656518B (en) | 2016-03-23 | 2016-03-23 | A kind of power line carrier routing simulation and test platform and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105656518A true CN105656518A (en) | 2016-06-08 |
| CN105656518B CN105656518B (en) | 2018-06-22 |
Family
ID=56495356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610168849.9A Active CN105656518B (en) | 2016-03-23 | 2016-03-23 | A kind of power line carrier routing simulation and test platform and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105656518B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160789A (en) * | 2016-08-17 | 2016-11-23 | 华立科技股份有限公司 | Power carrier signal quality detection device |
| CN106330358A (en) * | 2016-08-31 | 2017-01-11 | 中电华瑞技术有限公司 | Broadband carrier simulation test system |
| CN106341160A (en) * | 2016-08-23 | 2017-01-18 | 杭州海兴电力科技股份有限公司 | Low-voltage power line carrier network laboratory test device and low-voltage power line carrier network laboratory test method |
| CN106899328A (en) * | 2017-03-15 | 2017-06-27 | 厦门易能电力技术有限公司 | Family's ad hoc network method and ad-hoc network devices based on power line carrier |
| CN107294562A (en) * | 2017-08-16 | 2017-10-24 | 国家电网公司 | Low-voltage power carrier module simulation detection means |
| CN107659336A (en) * | 2017-08-21 | 2018-02-02 | 宁波德晶元科技有限公司 | The function test method and system of a kind 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 |
| CN114531174A (en) * | 2021-10-29 | 2022-05-24 | 华立科技股份有限公司 | High-voltage attenuator-based High Performance Liquid Chromatography (HPLC) communication test system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1475901A1 (en) * | 2002-02-13 | 2004-11-10 | SUMITOMO ELECTRIC INDUSTRIES Ltd | Power line carrier communication modem |
| CN102647239A (en) * | 2012-03-21 | 2012-08-22 | 深圳市友讯达科技发展有限公司 | Test system for information acquisition wireless downlink channel network |
| CN105118286A (en) * | 2015-06-30 | 2015-12-02 | 云南电网有限责任公司昆明供电局 | Power line broadband carrier communication module seven-stage relay communication testing system |
| CN205693668U (en) * | 2016-03-23 | 2016-11-16 | 贵州电网有限责任公司电力科学研究院 | A kind of power line carrier routing simulation and test platform |
-
2016
- 2016-03-23 CN CN201610168849.9A patent/CN105656518B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1475901A1 (en) * | 2002-02-13 | 2004-11-10 | SUMITOMO ELECTRIC INDUSTRIES Ltd | Power line carrier communication modem |
| CN1620764B (en) * | 2002-02-13 | 2012-03-21 | 住友电气工业株式会社 | Modem for communication through power line carrier system |
| CN102647239A (en) * | 2012-03-21 | 2012-08-22 | 深圳市友讯达科技发展有限公司 | Test system for information acquisition wireless downlink channel network |
| CN105118286A (en) * | 2015-06-30 | 2015-12-02 | 云南电网有限责任公司昆明供电局 | Power line broadband carrier communication module seven-stage relay communication testing system |
| CN205693668U (en) * | 2016-03-23 | 2016-11-16 | 贵州电网有限责任公司电力科学研究院 | A kind of power line carrier routing simulation and test platform |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160789A (en) * | 2016-08-17 | 2016-11-23 | 华立科技股份有限公司 | Power carrier signal quality detection device |
| CN106341160A (en) * | 2016-08-23 | 2017-01-18 | 杭州海兴电力科技股份有限公司 | Low-voltage power line carrier network laboratory test device and low-voltage power line carrier network laboratory test method |
| CN106330358A (en) * | 2016-08-31 | 2017-01-11 | 中电华瑞技术有限公司 | Broadband carrier simulation test system |
| CN106899328A (en) * | 2017-03-15 | 2017-06-27 | 厦门易能电力技术有限公司 | Family's ad hoc network method and ad-hoc network devices based on power line carrier |
| 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 |
| CN107294562A (en) * | 2017-08-16 | 2017-10-24 | 国家电网公司 | Low-voltage power carrier module simulation detection means |
| CN107294562B (en) * | 2017-08-16 | 2020-11-10 | 国家电网公司 | Low-voltage power carrier module simulation detection device |
| CN107659336A (en) * | 2017-08-21 | 2018-02-02 | 宁波德晶元科技有限公司 | The function test method and system of a kind of power line carrier module |
| 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 |
| CN114531174A (en) * | 2021-10-29 | 2022-05-24 | 华立科技股份有限公司 | High-voltage attenuator-based High Performance Liquid Chromatography (HPLC) communication test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105656518B (en) | 2018-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105656518A (en) | Power line carrier wave routing simulating and testing platform and testing method | |
| CN106332170A (en) | Broadband carrier communication performance detecting system | |
| CN205693668U (en) | A kind of power line carrier routing simulation and test platform | |
| CN101902255B (en) | Simulation test device and method of power line carrier communication | |
| CN103236892A (en) | Carrier communication testing system | |
| WO2015062104A1 (en) | Smart power utilization communications product testing system | |
| CN201966909U (en) | Integrated test system for low-voltage narrowband power line carrier communication | |
| CN104569653A (en) | Automatic test system for password cards | |
| CN110492909A (en) | Wireless isolated form power line carrier communication performance test methods and system | |
| CN201312312Y (en) | Low voltage power cord carrier communication test system | |
| CN106155950A (en) | Parameter processing method and device | |
| CN104202067A (en) | Testing simulator for intelligent electric meter carrier communication module | |
| CN108233989A (en) | A kind of intelligent grid wideband power carrier communication detecting system and its detection method | |
| CN105634550A (en) | Carrier wave communication success rate testing system and method | |
| CN111432425A (en) | Test system and test method for network mode optimization of 3G/4G router | |
| CN108011674A (en) | The wireless performance test system and method for wireless device multi-hop bridge joint | |
| CN107294562B (en) | Low-voltage power carrier module simulation detection device | |
| CN110868328A (en) | Performance detection system for dual mode communication device | |
| CN106093637A (en) | The removing method of dead band defect between intelligent substation primary equipment and secondary device | |
| CN108306693A (en) | A kind of wireless performance test method and system based on programmable attenuator | |
| CN105467348B (en) | A kind of data acquisition of optical fiber current mutual inductor and virtual check system and method | |
| CN109302244A (en) | A kind of low-voltage powerline carrier communication unit communication ability detection method and system | |
| CN106338653A (en) | Typical interference simulator of partial discharge | |
| CN103226657B (en) | A kind of based on the assumption that inspection track circuit simulation Model Checking verification method | |
| CN108107312A (en) | Non- register one's residence does not power off wrong wiring of electric energy meter detection device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |