CN205693668U - A kind of power line carrier routing simulation and test platform - Google Patents
A kind of power line carrier routing simulation and test platform Download PDFInfo
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- CN205693668U CN205693668U CN201620227668.4U CN201620227668U CN205693668U CN 205693668 U CN205693668 U CN 205693668U CN 201620227668 U CN201620227668 U CN 201620227668U CN 205693668 U CN205693668 U CN 205693668U
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- carrier
- power meter
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- carrier power
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Abstract
The utility model discloses a kind of power line carrier routing simulation and test platform, it includes that carrier power meter, carrier signal are connected with concentrator, concentrator is connected with adjustable attenuator, adjustable attenuator electrically connects with city, and civil power is connected with carrier power meter, is in series with ac-decay device between carrier power meter；The power line carrier meter reading system solving prior art does not has suitable detection means to detect the technical problems such as data transmission credibility, the attenuation characteristic of low-voltage power line, interference characteristic, impedance operator and Time variable structure characteristic.
Description
Technical field:
This utility model belongs to power line carrier measuring technology, particularly relates to a kind of power line carrier routing simulation and test
Platform.
Background technology:
It is special that low-voltage power line has the dynamically time-varying such as highly attenuating, strong jamming, impedance variable, structurally variable for carrier meter reading
Levy, but there is presently no an authoritative institution and test comprehensively and effectively for the feature of low-voltage power line and analyze.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.DL/T 698 standard (low-voltage customer automatic meter reading system) come out in 1999 does not the most adapt to work as
The requirement of front kilowatt meter reading-out system development, even if having ever made for 2010, once to revise also be such, and existing detection project can not expire
The needs of foot existing ZAP development, also data transmission credibility test lacks concrete test method, and the most serious asks
Topic is that the impact of carrier meter reading is not had by the attenuation characteristic for low-voltage power line, interference characteristic, impedance operator, Time variable structure characteristic
It is provided with concrete test platform.
Utility model content:
The technical problems to be solved in the utility model: provide a kind of power line carrier routing simulation and test platform, to solve
Certainly the power line carrier meter reading system of prior art does not has suitable detection means to detect data transmission credibility, low-voltage power
The technical problems such as the attenuation characteristic of line, interference characteristic, impedance operator and Time variable structure characteristic.
Technical solutions of the utility model:
A kind of power line carrier routing simulation and test platform, it includes that carrier power meter, carrier signal are connected with concentrator,
Concentrator is connected with adjustable attenuator, and adjustable attenuator electrically connects with city, and civil power is connected with carrier power meter, and carrier power meter series connection is even
Connect, and be in series with ac-decay device between the carrier power meter of series connection.
Adjustable attenuator frequency of fadings is from 5 to 500kHz, and its decaying amplitudes is 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 beneficial effects of the utility model:
This utility model is not limited to laboratory, major part electricity consumption place all can set up carrier path of the present utility model by
Emulation and test platform, be not required to be placed under dedicated transformer, easy to operate, invest little；This utility model carrier power meter and carrier wave
Attenuator between ammeter is ac-decay device, is to scene the most directly, objectively simulate, is not required to couple carrier signal
Or isolation processing, therefore it is applicable to the carrier module of various different center frequency and modulation system is tested, subject range
Extensively, and simple and practical, accurately and reliably；Between carrier power meter and ac-decay device or series connection between carrier power meter and carrier power meter
Line, therefore network size is unrestricted, and jumping figure is unrestricted, can increase according to practical situation, reduce test node, structure spirit
Live；
According to emulation of the present utility model and test platform can reach carrier module is carried out networking capability, routing capabilities,
Anti-with frequency noise immune, communication system stability and reliability testing, by emulation of the present utility model and test platform, can people
For ground, communication channel is decayed, force Carrier Node to carry out networking and route, use multiple test mode to carrier module
Networking 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.Solve
The power line carrier meter reading system of prior art of having determined does not has suitable detection means to detect data transmission credibility, low tension
The technical problems such as the attenuation characteristic of the line of force, interference characteristic, impedance operator and Time variable structure characteristic.
Accompanying drawing illustrates:
Fig. 1 this utility model structural representation；
Fig. 2 is this utility model ac-decay device structural representation；
Fig. 3 is that this utility model embodiment lost route recovers test wiring schematic diagram；
Fig. 4 is that this utility model embodiment route reconfigures test wiring schematic diagram；
Fig. 5 is the double branch testing wiring schematic diagram of this utility model embodiment table node；
Fig. 6 is the double branch testing wiring schematic diagram of this utility model embodiment concentrator node；
Fig. 7 is that the networking of this utility model embodiment can communication test wiring schematic diagram；
Fig. 8 is that this utility model embodiment route is avoided by weak tendency link test and puppet's node gets around test wiring and shows
It is intended to；
Fig. 9 is that this utility model embodiment is routed through 8 jumping aptitude tests and route maximum bag test wiring schematic diagram；
Figure 10 is that this utility model embodiment is anti-with frequency noise immune test wiring schematic diagram.
Detailed description of the invention:
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 includes that carrier power meter, carrier signal are connected with concentrator,
Concentrator is connected with adjustable attenuator, and adjustable attenuator electrically connects with city, and civil power is connected with carrier power meter, and carrier power meter series connection is even
Connect, and be in series with ac-decay device between the carrier power meter of series connection.
Carrier power meter is connected by this utility model, is because we have found that: using current carrier ammeter as previous piece of load
The load in series of ripple ammeter is after previous piece of carrier power meter, and signal is often after the carrier power meter of one piece of concatenation, and carrier wave is believed
Number will decay about 1-2db, therefore this utility model by carrier power meter connect, the advantage with four aspects:
The substantial amounts of carrier power meter of convenient access；
Every piece of carrier power meter is the most different to the pad value of concentrator, it is easier to form multi-hop；
Test platform low cost, economic, practical；
This structure can reduce the impact of carrier signal radiation propagation between carrier power meter.
Use the adjustable attenuator in this utility model, can be by carrier signal by decaying through adjustable attenuator after concentrator
After, it is sent to ammeter end, in that context it may be convenient to realize between simulated field environment concentrator and ammeter during carrier signal transmission
Decay.
Adjustable attenuator frequency of fadings is from 5 to 500kHz, and its decaying amplitudes is 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.
Ac-decay device is connected between carrier power meter by this utility model, between simulated field ammeter and ammeter
Decay, has fixing 30DB or 40DB pad value optional, after carrier signal have passed through such attenuator, through the
Before two such attenuators, it is necessary to the carrier power meter through being connected between the two attenuator relays, thus
Define multihop network, the actual sight of simulated field can be facilitated.
This utility model by adding certain decay in the circuit of platform, noise, load simulate the electric power of reality
Thread environment, can accurately emulate and test the actual networking of actual carrier communication system, routing capabilities, and communication system is steady
The indexs such as qualitative, reliability, copy reading speed.
Concrete method of testing is:
A kind of power line carrier routing simulation and the method for testing of test platform, it includes module routing capabilities test side
Method, module routing capabilities method of testing includes that lost route recovers test, route reconfigures test, the double branch of table node surveys
Examination, the double branch testing of concentrator node and networking can communication tests；
Described lost route recovers method of testing: be connected with adjustable attenuator by concentrator DCU, adjustable attenuator and load
Ripple ammeter M1 connects, and carrier power meter M1 is connected with ac-decay device, and ac-decay device is connected with carrier power meter M2；By adjustable damping
40db is transferred to by device and ac-decay device, sends data to carrier power meter M1 and carrier power meter M2 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
Decay between M1 and carrier power meter M2 is reduced to 0；Send data to carrier power meter M2 from concentrator DCU, check carrier power meter
M2 can accurately receive data；
Described route reconfigures method of testing: be connected with adjustable attenuator by concentrator DCU, adjustable attenuator and load
Ripple ammeter M1 connects, and carrier power meter M1 is connected with ac-decay device, and ac-decay device is connected with carrier power meter M1；By adjustable damping
Device and ac-decay device are transferred to 0, send data to carrier power meter M1 from concentrator DCU and carrier power meter M2 can receive, determine
DCU only jumps through one to carrier power meter M1 and carrier power meter M2；Adjustable attenuator and ac-decay device are transferred to 40db, determine
Sending data to carrier power meter M1 from DCU and carrier power meter M2 can receive, DCU to carrier power meter M1 only has a jumping, and DCU is to carrying
Ripple ammeter M2 has two jumpings, and via node is carrier power meter M1；
The double branch testing method of table node is: be connected with adjustable attenuator by concentrator DCU, adjustable attenuator and carrier wave electricity
Table M1 connects, and carrier wave meter electricity M1 is connected with carrier power meter M2 by the first ac-decay device, and carrier power meter M1 is by the second exchange
Attenuator is connected with carrier power meter M3；All attenuators are transferred to 40db, and power on all devices, treats that M1, M2 and M3 network successfully,
From DCU transmission amr frame to M1, M2 and M3, determine that each carrier power meter data can correctly be copied and accepted；
The double branch testing method of concentrator node is: by concentrator DCU and the connection of the first adjustable attenuator, and first adjustable declines
Subtracting device to be connected with carrier power meter M1, carrier power meter M1 is connected with ac-decay device, and ac-decay device is connected with carrier power meter M2, collection
Middle device DCU is connected with carrier wave meter M3 by the second adjustable attenuator；All attenuators are transferred to 40db, and power on all devices, treats
M1, M2 and M3 network successfully, from DCU transmission amr frame to M1, M2 and M3, determine 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, can
After controlled attenuator is transferred to 0db, M1 networking, start to check meter by concentrator, determine the correct copy reading of carrier power meter M1 energy, decline adjustable
Subtract device output noise progressively tuning up success rate of checking meter is stopping after 0, and power on after power down all devices again in addition to adjustable attenuator,
Determine that carrier power meter M1 can not network, reduce noise output, until carrier power meter M1 can network, check meter number again through concentrator
According to, determine that carrier wave meter M1 data can be copied.
A kind of power line carrier routing simulation and the method for testing of test platform, described module routing capabilities method of testing is also
Including:
Route is avoided by weak tendency link test: be connected with adjustable attenuator by concentrator DCU and ac-decay device, carrier wave
Ammeter M2 and carrier power meter M1 connect, and ac-decay device is connected with carrier power meter M3, and noise maker is connected on carrier power meter M1
Before；Power on concentrator, noise maker, and the output of noise maker is transferred to 15db, and power on M1 and M2, is copied by concentrator
Table determines that table can correctly read, then the M3 that powers on, and copies M3 by concentrator, determines and can correctly read；Determined by network topological diagram
Path from DCU to M3, determines that DCU is with M2 for relaying, jumps to reach M3 rather than with M1 for relaying through one；
Puppet's node gets around test, and it is identical that wiring diagram is avoided by weak tendency link test with route, by adjustable attenuator and
40db is transferred to by ac-decay device, and power on concentrator and noise maker, and noise maker is transferred to 15db, and first power on M1 and M2,
Checked meter by concentrator, determine that table can correctly read, then the M3 table that powers on, read M3 table by concentrator, determine that M3 can correctly read
Take, checked the path of DCU to M3 by network topological diagram, determine that DCU is to arrive M3 with M2 for relaying, now pull out M2, make M2
Become puppet's node, checked meter by DCU, determine that M3 can copy, check from DCU to M3 path, determine that DCU arrives for relaying with M1
M3。
It is routed through 8 jumping aptitude tests: be connected in series with M1-M7 carrier power meter by concentrator, concentrator and carrier power meter
Between M1, all attenuators are adjusted to by series connection adjustable attenuator, series AC attenuator between each carrier power meter of M1-M7
40db, all devices powered on, confirm that M1-M7 can network, and can be checked meter by DCU, i.e. prove that route disclosure satisfy that 8 jumpings
Ability.
Route maximum bag test: be routed through 8 jumping aptitude tests: be connected in series with M1-M7 carrier power meter by concentrator, collection
Connect between middle device and carrier power meter M1 adjustable attenuator, series AC attenuator between each carrier power meter of M1-M7, will be all
Attenuator is adjusted to 40db, all devices powered on, and confirms that M1-M7 can network, and DCU sends maximum data packet as far as possible to carrier wave
Ammeter, or from carrier power meter reception maximum data packet to DCU.Retest, observes success rate, determines that module is to ultra-long data frame
The ability that segmentation sends and reconfigures.
A kind of power line carrier routing simulation and the method for testing of test platform, it includes network module aptitude tests, institute
State network module aptitude tests to include:
Power on after all devices power down networking time test: by a concentrator, 40 pieces of carrier power meter and 5 ac-decay
Device connects networking, and power on all devices, checks all devices network entry time by host computer network topological diagram, and determines all loads
Ripple ammeter can copy reading, all carrier power meter network entry time not can exceed that 1 hour；This test is to check carrier power meter to concentrate
When powering on, determine whether table module has discrete registration algorithm, it is to avoid Frame conflict when module concentrates registration.
Networking time test after powering on again or reset after concentrator power down: by a concentrator, 40 pieces of carrier power meter and 5
Ac-decay device connects networking, and power on all devices, and after determining that all devices networks by host computer network topological diagram, reset collection
Middle device, checks all carrier power meter network entry time again by network topological diagram, and confirm all carrier power meter can copy reading, really
The time that fixed all carrier power meter network again powers on the networking time after being necessarily less than all devices power down；The purpose of this test is
After checking concentrator to reset, if having the equipment networked before broadcast mechanism notice again to report their network
ID, in order to the record list entering netlist that concentrator is lost after can rebuilding power down, and rebuild neighboar lists and routing table accordingly.
In the case of checking meter continuously, networking time effects is tested: a concentrator, 40 pieces of carrier power meter are exchanged with 5 and declines
Subtracting device and connect networking, power on concentrator and a wherein carrier power meter, has determined the carrier power meter powered on by network topological diagram
Networking, determine that this carrier power meter can be copied logical, this carrier power meter is copied and accepted in circulation, and power on remaining 39 pieces of carrier power meter simultaneously, record
All carrier power meter network entry time, network entry time can not be more than 2 hours；The purpose of this test is suggestion concentrator module physical layer
Whether the data throughout of concurrent data ability, i.e. unit interval meets application requirement of checking meter.
Maximum networking volume test a: concentrator and a harvester connect, and are repeatedly used differently by harvester
Location registration operation, harvester record succeeds in registration number of times, by harvester LOG, staff determines that maximum succeeds in registration number of times.
The purpose of this test is to test out routing table heap(ed) capacity and the heap(ed) capacity of neighboar lists of concentrator carrier module.
A kind of power line carrier routing simulation and the method for testing of test platform, it includes anti-with frequency noise immune test,
Described anti-test with frequency noise immune is to be connected with adjustable attenuator by concentrator DCU, and adjustable attenuator is with ac-decay device even
Connecing, ac-decay device is connected with carrier power meter M1, and being connected with ac-decay device at controlled attenuator has noise maker, declines adjustable
Subtracting device and be adjusted to 10db, ac-decay device is adjusted to 40db, and power on all devices, the output of noise maker is transferred to 0db, determines M1
Network successfully, checked meter by DCU, determine M1 energy accurately copy reading, noise maker output band is transferred to overlapping with carrier frequency band
50%, checked meter by DCU, determine that M1 can accurately copy, be stepped up noise maker output, until success rate 0 of checking meter
Time stop, the maximum noise output of recording noise generator and the bandwidth of overlapping bands；Test purpose is: due to G3 module
Module all supports that a common characteristic is called trap, and popular saying is exactly that heavily disturbed sub-band is made a labelling,
During transmission next time, the sub-band transmission data being marked without this, therefore avoid because of the interference with frequency noise, transmission
Corrupt data.Therefore this example is contemplated to whether authentication module possesses the anti-ability with frequency noise.
Claims (3)
1. power line carrier routing simulation and a test platform, it includes carrier power meter, it is characterised in that: carrier signal and collection
Middle device connects, and concentrator is connected with adjustable attenuator, and adjustable attenuator electrically connects with city, and civil power is connected with carrier power meter, carrier wave
Ammeter is connected in series, and is in series with ac-decay device between the carrier power meter of series connection.
A kind of power line carrier routing simulation the most according to claim 1 and test platform, it is characterised in that: adjustable damping
Device frequency of fadings is from 5 to 500kH z, and its decaying amplitudes is from 0dB to 90dB.
A kind of power line carrier routing simulation the most according to claim 1 and test platform, it is characterised in that: 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 joint group
Become exchange attenuator.
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| CN201620227668.4U CN205693668U (en) | 2016-03-23 | 2016-03-23 | A kind of power line carrier routing simulation and test platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620227668.4U CN205693668U (en) | 2016-03-23 | 2016-03-23 | A kind of power line carrier routing simulation and test platform |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656518A (en) * | 2016-03-23 | 2016-06-08 | 贵州电网有限责任公司电力科学研究院 | Power line carrier wave routing simulating and testing platform and testing method |
| CN107294565A (en) * | 2017-08-22 | 2017-10-24 | 广东电网有限责任公司电力科学研究院 | A kind of termination of emulation test system |
| CN108259100A (en) * | 2018-03-09 | 2018-07-06 | 中国电力科学研究院有限公司 | Multiple-in-one information collection communication simulation pilot system |
| CN109407549A (en) * | 2018-10-26 | 2019-03-01 | 广西电网有限责任公司电力科学研究院 | A kind of power line carrier, PLC downstream station communication module emulation test system |
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2016
- 2016-03-23 CN CN201620227668.4U patent/CN205693668U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105656518A (en) * | 2016-03-23 | 2016-06-08 | 贵州电网有限责任公司电力科学研究院 | Power line carrier wave routing simulating and testing platform and testing method |
| CN105656518B (en) * | 2016-03-23 | 2018-06-22 | 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 and test method |
| CN107294565A (en) * | 2017-08-22 | 2017-10-24 | 广东电网有限责任公司电力科学研究院 | A kind of termination of emulation test system |
| CN107294565B (en) * | 2017-08-22 | 2020-11-17 | 广东电网有限责任公司电力科学研究院 | Wiring device of simulation test system |
| CN108259100A (en) * | 2018-03-09 | 2018-07-06 | 中国电力科学研究院有限公司 | Multiple-in-one information collection communication simulation pilot system |
| CN108259100B (en) * | 2018-03-09 | 2022-03-04 | 中国电力科学研究院有限公司 | Multi-meter-in-one information acquisition communication simulation test system |
| CN109407549A (en) * | 2018-10-26 | 2019-03-01 | 广西电网有限责任公司电力科学研究院 | A kind of power line carrier, PLC downstream station communication module emulation test system |
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