CN206323390U - Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform - Google Patents
Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform Download PDFInfo
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- CN206323390U CN206323390U CN201720031906.9U CN201720031906U CN206323390U CN 206323390 U CN206323390 U CN 206323390U CN 201720031906 U CN201720031906 U CN 201720031906U CN 206323390 U CN206323390 U CN 206323390U
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Abstract
The utility model low-voltage power line bandwidth carrier constructing communication network assesses emulation platform, including the power line cleaner being electrically connected with city, the measurement level artificial mains network being connected with power line cleaner, the bandwidth carrier intelligence attenuating device being connected with the bandwidth carrier host node for measuring bandwidth carrier coupling device that level artificial mains network is connected, being connected with bandwidth carrier coupling device, the computer being connected with bandwidth carrier host node, with bandwidth carrier host node, the multistage bandwidth carrier networking that is connected with artificial mains network and bandwidth carrier intelligence attenuating device are from node.The utility model sets up simulation communication network in bandwidth carrier host node and multistage bandwidth carrier networking from networking between node, by purification, intelligence decay, isolation and coupling etc. in laboratory simulation scene communication network environment, suitable for the assessment and checking to various different operating frequencies and the power wire broadband carrier communication network module of modulation system, wide adaptation range, and it is simple and practical, accurately and reliably.
Description
Technical field
The utility model is related to low-voltage power line bandwidth carrier constructing communication network technical field, more particularly to a kind of low-voltage power
Emulation platform is assessed in line width band carrier communication networking.
Background technology
Power wire broadband carrier communication technology, i.e. broadband power line communication（Broadband over Power Line,
BPL）, it is to utilize low-voltage power distribution wire（380/220V user's line）Voice or data transfer are carried out as information transmitting medium
A kind of specific communication mode.Its frequency of use in more than 1MHz, traffic rate in more than 1Mbps, using various more than modulation /demodulation
Spread spectrum technic, OFDM technology, DMT（Discrete Multi-tone）The technology such as technology is the high frequency carrying information
Signal loading is in electric current, then using the power line transmission of various grades, receives the modem of information again high-frequency signal
Separated from electric current, and be sent to broadband over power line user terminal（Computer, TV or telephone set and intelligent electric meter, open
Close, become platform）.
The technology has been successfully applied to the local communication of power information acquisition system, power wire broadband carrier communication relative to
The advantage of narrow band communication is in addition to bandwidth is high, and also service band brings up to more than 2MHz, has hidden substantial amounts of interference noise；Can be with
The remote network management based on SNMP is realized, the ability of narrow-band devices has been surmounted completely；Relaying technique is coordinated to be fully able to reach stabilization
Reliable all standing；Common physical layer rate is 200Mbps at present, some high-end technologies up to 500Mbps even 1Gbps,
The concurrently collection of power information can be achieved up to more than 80Mbps in TCP/IP layer speed, drastically increases picking rate, successfully
Rate and multi-service application enabling capabilities.
Power wire broadband carrier communication networking technology, network topology adaptability be carrier communication performance pay special attention to it is interior
Hold.At present, the ripe capability evaluation and verification platform to power wire broadband carrier communication networking technology is lacked.
The content of the invention
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of low tension
Power line bandwidth carrier constructing communication network assesses emulation platform.
The utility model solves the technical scheme that its technical problem used：A kind of low-voltage power line bandwidth carrier is provided
Constructing communication network assesses emulation platform, including is electrically connected and be connected for the power line cleaner of power supply, with power line cleaner with city
Measurement level artificial mains network, with measurement level artificial mains network be connected bandwidth carrier coupling device, with bandwidth carrier coupling
Attach together the calculating put connected bandwidth carrier host node, be connected with measurement level artificial mains network and bandwidth carrier host node
The intelligent attenuating device of machine, the bandwidth carrier being connected with bandwidth carrier host node and measurement level artificial mains network and bandwidth carrier
The connected multistage bandwidth carrier networking of intelligent attenuating device is from node.
Preferably, measurement level artificial mains network and the power line cleaner, bandwidth carrier coupling device, computer,
Bandwidth carrier networking is led to from being connected between node by power line between bandwidth carrier coupling device and bandwidth carrier host node
Power line connection is crossed, is connected between bandwidth carrier host node and computer by data line, bandwidth carrier coupling device, width
With carrier intelligent attenuating device and multistage bandwidth carrier networking from being connected between node by shielding accurate measurement level RF cable
Connect.
Preferably, every grade of bandwidth carrier networking includes what is be connected with measurement level artificial mains network by power line from node
Filter, the bandwidth carrier node communication module being connected with filter by power line, communicate mould with bandwidth carrier node
The intelligent attenuating device of the connected bandwidth carrier of block and being connected with the bandwidth carrier node communication module by power line is used for
Simulate the tunable load of various loads in actual electric network.
Preferably, 2-N grades of bandwidth carrier networking also includes passing through screen with bandwidth carrier node communication module from node
Cover the connected bandwidth carrier adjustable damping device of accurate measurement level RF cable.
Preferably, the 1st grade of bandwidth carrier networking is artificial by power line and the measurement level from the filter of node
Electric power network is connected, and the 1st grade of the bandwidth carrier networking is accurate by shielding from the bandwidth carrier node communication module of node
Measurement level RF cable and the bandwidth carrier intelligence attenuating device is connected, the width of 2-N grades of bandwidth carrier networking from node
With carrier wave adjustable damping device by shield accurate measurement level RF cable and upper level bandwidth carrier node communication module phase
Even.
Preferably, the bandwidth carrier node communication module is arranged in bandwidth carrier terminal, the bandwidth carrier terminal
For acquisition terminal, collector or intelligent electric meter.
Preferably, the intelligent attenuating device of the bandwidth carrier and bandwidth carrier adjustable damping device working frequency are 3KHz-
60MHz, decaying amplitudes are 0dB-120dB.
Preferably, also including being connected adding for analogue noise by data line with the bandwidth carrier coupling device
Disturb signal source.
Preferably, also the network including being connected with the bandwidth carrier host node and computer by data line divides
Analyzer, spectrum analyzer and oscillograph, the Network Analyzer, spectrum analyzer, oscillograph and measurement level artificial mains network
Between connected by power line.
Preferably, the power line cleaner includes being electrically connected for the AC voltage-stabilizing electricity for filtering voltage pulsation with the city
Source device, be connected with the AC voltage stabilizer for isolate power isolation transformer device, with the isolated from power
Potential device is connected the AC filter installation for filtering interference signals.
Implement the technical scheme that the utility model low-voltage power line bandwidth carrier constructing communication network assesses emulation platform, with such as
Lower advantage or beneficial effect：The utility model is imitative from foundation between node in bandwidth carrier host node and multistage bandwidth carrier networking
True communication network, simulation application scene passes through the simulation actual power information collection such as purification, intelligence decay, isolation and coupling system
The working environment of system, it is adaptable to which the bandwidth carrier communication to various different manufacturers, different center frequency, different modulating mode is carried out
Assess and checking, wide adaptation range, and simple and practical, accurately and reliably.Meanwhile, bandwidth carrier networking is connected between node, net
Network scale is unrestricted, can increase, reduce the complete simulating actual conditions of node of communication module, flexible structure.
Brief description of the drawings
, below will be to being wanted needed for embodiment description in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings
In other accompanying drawings, accompanying drawing：
Fig. 1 is the structure that the utility model low-voltage power line bandwidth carrier constructing communication network assesses emulation platform first embodiment
Schematic diagram；
Fig. 2 is the structure that the utility model low-voltage power line bandwidth carrier constructing communication network assesses emulation platform second embodiment
Schematic diagram.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, what be will be described below is various
Embodiment will refer to corresponding accompanying drawing, and these accompanying drawings constitute a part for embodiment, which describe and realize that this practicality is new
The various embodiments that type may be used.It should be appreciated that it is also possible to use other embodiments, or embodiment enumerated herein is carried out
Modification structurally and functionally, without departing from scope and spirit of the present utility model.
As shown in figure 1, this patent, which provides a kind of low-voltage power line bandwidth carrier constructing communication network, assesses emulation platform embodiment,
Including the power line cleaner 1 being electrically connected with city for power supply, the measurement level artificial mains network being connected with power line cleaner 1
2, the bandwidth carrier coupling device 3 being connected with measurement level artificial mains network 2, the broadband being connected with bandwidth carrier coupling device 3
Carrier wave host node 4, the computer 5 being connected with bandwidth carrier host node 4 and measurement level artificial mains network 2, with bandwidth carrier master
The intelligent attenuating device 6 of the connected bandwidth carrier of node 4 and measurement level artificial mains network 2 and the intelligent attenuating device 6 of bandwidth carrier
Connected multistage bandwidth carrier networking is from node 7.Wherein, measurement level artificial mains network 2 meets all kinds carrier communication
Networking technology needs.Bandwidth carrier intelligence attenuating device 6 is used to control bandwidth carrier host node 4 to the 1st grade of bandwidth carrier networking
From the pad value of node 7.The frequency range of the coupling carrier signal of bandwidth carrier coupling device 3 is 3kHz ~ 60MHz, is applicable to
The different frequency bandwidth carrier module communication test of different manufacturers, it is to avoid the test of different carrier communication modules needs artificial choosing
Selecting the complicated processes of respective attenuation device, there is provided testing efficiency.
This patent low-voltage power line bandwidth carrier constructing communication network assess the measurement level artificial mains network 2 of emulation platform with it is net
Change supply unit 1, bandwidth carrier coupling device 3, computer 5, bandwidth carrier networking are connected between node 7 by power line,
Connected between bandwidth carrier coupling device 3 and bandwidth carrier host node 4 by power line, bandwidth carrier host node 4 and computer 5
Between connected by data line, the intelligent attenuating device 6 of bandwidth carrier coupling device 3, bandwidth carrier and multistage broadband are carried
Ripple networking between node 7 by shield accurate measurement level RF cable connect.The data line used can be multiple twin
The data lines such as line, coaxial cable, optical fiber, gpib bus, USB data line.It is preferred that, multistage bandwidth carrier networking is from section
The number of levels of point 7 can be 1-8 grades.
Bandwidth carrier host node 4 is as networking Centroid, and it is by shielding accurate measurement level RF cable and the 1st grade wide
Band carrier networking is connected from node 7, and the bandwidth carrier networking being connected with bandwidth carrier host node 4 is from node 7 again by shielding essence
It is close to measure level RF cable and other grades of bandwidth carrier networkings from node cascade network.Bandwidth carrier host node 4 is low-voltage power
Line width band carrier communication Centroid, the low-voltage power line bandwidth carrier communication node is product on the market, and it needs symbol
Close terminal communication unit in GB Q-GDW 1374.3-2013 power user power consumption information acquisition system communication unit technology specifications
The requirement of member.
As shown in Fig. 2 this patent low-voltage power line bandwidth carrier constructing communication network assesses every grade of bandwidth carrier of emulation platform
Filter 701 and filter 701 that networking includes by power line being connected with measurement level artificial mains network 2 from node 7
Pass through electric power by the connected bandwidth carrier node communication module 702 of power line and with bandwidth carrier node communication module 702
Line is connected for the tunable load 704 for simulating various loads in actual electric network.Wherein, 2-N grades of bandwidth carrier networking is from section
Point 7 also includes can by shielding the bandwidth carrier that is connected of accurate measurement level RF cable with bandwidth carrier node communication module 702
Adjust attenuating device 703.
It is preferred that, the 1st grade of bandwidth carrier networking is artificial by power line and measurement level from the filter 701 of node 7
Electric power network 2 is connected, and the bandwidth carrier networking of the first order is smart by shielding from the bandwidth carrier node communication module 702 of node 7
Close measurement level RF cable and bandwidth carrier intelligence attenuating device 6 is connected, the width of 2-N grades of bandwidth carrier networking from node 7
With carrier wave adjustable damping device 703 by shield accurate measurement level RF cable and upper level bandwidth carrier node communication module
702 are connected.Wherein, tunable load 704 is used to realize the linear load such as resistive, perceptual, capacitive and nonlinear load, loads resistance
It can meet adjustable in the range of 0.1 ~ 100 Ω respectively.
It is preferred that, bandwidth carrier adjustable damping device 703 can be the intelligent attenuating device 6 of bandwidth carrier, and bandwidth carrier can
Working frequency 3kHz ~ 60MHz can be met by adjusting the intelligent attenuating device 6 of attenuating device 703 and bandwidth carrier, and attenuation amplitude 0dB ~
120dB is random stylized adjustable.Therefore, can so understand every grade of bandwidth carrier networking from node 7, every grade of bandwidth carrier networking
All include filter 701, bandwidth carrier node communication module 702, bandwidth carrier adjustable damping device 703 and can from node 7
Load 704 is adjusted, simply bandwidth carrier adjustable damping device 703 and bandwidth carrier intelligence of the 1st grade of the bandwidth carrier networking from node 7
The energy redundance of attenuating device 6, i.e., with the intelligent attenuating device 6 of bandwidth carrier come instead of realizing bandwidth carrier adjustable damping device
703 corresponding functions.
It is preferred that, bandwidth carrier node communication module 702 is arranged in bandwidth carrier terminal, and the bandwidth carrier terminal is to adopt
Collect terminal, collector or intelligent electric meter.Multistage bandwidth carrier networking be arranged at from node 7 be easy to specialty standard environment in, should
Multistage bandwidth carrier networking can set corresponding series, conveniently accessible substantial amounts of bandwidth carrier from node 7 with simulating actual conditions
Node communication module 702, so as to truer simulated field environment, test is more accurate true.Bandwidth carrier adjustable damping is filled
703 working frequencies are put for 3kHz-60MHz, decaying amplitudes are 0dB-120dB, in that context it may be convenient to realize simulated field environment and width
With the decay during carrier signal transmission between carrier module.
This patent low-voltage power line bandwidth carrier constructing communication network, which assesses emulation platform, also to be included and bandwidth carrier coupling device 3
It is connected the scrambled signals source 11 for analogue noise by data line.The exportable white Gaussian noise in scrambled signals source or mould
Intend live noise to be injected into communication line so that whole platform more conforms to actual conditions, bandwidth carrier communication is carried out more
Plus accurately and reliably assess.It is preferred that, in order to prevent other extraneous electromagnetic interferences, bandwidth carrier host node 4 and bandwidth carrier section
Point communication module 702 is placed in electromagnetic shielding box so that electromagnetic environment is cleaner.
This patent low-voltage power line bandwidth carrier constructing communication network assess emulation platform also include with bandwidth carrier host node 4 and
Network Analyzer 8, spectrum analyzer 9 and oscillograph 10 that computer 5 is connected by data line.Wherein, spectrum analysis
Instrument 9 is used to analyze the frequency domain characteristic of broadband carrier signal, to the communication technology of the carry out accordance of broadband carrier signal
Index verification, the measurement for signal parameters such as signal distortion, percentage modulation spectral purity, frequency stability and crosstalks.Show
Ripple device 10 is used to the time domain specification of carrier signal is acquired and analyzed.Network Analyzer 8 is used to enter impedance matching etc.
Row analysis.Computer 5 realizes real-time communication Control ＆ data acquisition with Network Analyzer 8, spectrum analyzer 9 and oscillograph 10,
Adjust the relevant parameter of bandwidth carrier passage（Signal attenuation, impedance variations etc.）, instrument configuration, collection number are realized so as to automate
According to reading and analysis result, the capability evaluation of bandwidth carrier constructing communication network technology is completed.
The power line cleaner 1 that this patent low-voltage power line bandwidth carrier constructing communication network assesses emulation platform includes and civil power
It is connected for filtering the AC voltage stabilizer 101 of voltage pulsation, is connected with AC voltage stabilizer 101 for isolating
Isolated from power potential device 102, be connected the AC filter installation for filtering interference signals with isolated from power potential device 102
103.AC voltage stabilizer 101 filters the voltage pulsation of input civil power and is output to isolated from power potential device 102；Power supply
Isolation 102 pairs of civil powers for filtering voltage pulsation of potential device are further isolated, and segregate civil power is transferred into exchange
Filter 103；AC filter installation 103 is filtered the interference signal being isolated in civil power, and by filtering interference signals
Civil power be transferred to measurement level artificial mains network 2, for being bandwidth carrier coupling device 3 and bandwidth carrier networking from node 7
Power supply.
This patent, from simulation communication network is set up between node, leads in bandwidth carrier host node and multistage bandwidth carrier networking
Purification, intelligence decay, isolation and coupling etc. are crossed in lab construction simulated field communication network environment, it is adaptable to various differences
The bandwidth carrier node communication module and technical scheme of producer, different operating frequency and different modulating mode carry out networking technology
Capability evaluation and checking, wide adaptation range, and it is simple and practical, accurately and reliably.Meanwhile, connected between bandwidth carrier networking node,
Network size is unrestricted, can flexibly increase, reduce the node of bandwidth carrier communication network, the network of complete simulating actual conditions
Scale and complicated business, network topology structure are flexible and changeable, meet the application scenarios of various bandwidth carriers.
Preferred embodiment of the present utility model is the foregoing is only, those skilled in the art know, do not departing from this
In the case of the spirit and scope of utility model, various changes or equivalent can be carried out to these features and embodiment.Separately
Outside, under teaching of the present utility model, these features and embodiment can be modified to adapt to particular situation and material
Without departing from spirit and scope of the present utility model.Therefore, the utility model is not by specific embodiment disclosed herein
Limitation, the embodiment fallen with the range of claims hereof belongs to protection domain of the present utility model.
Claims (10)
1. a kind of low-voltage power line bandwidth carrier constructing communication network assesses emulation platform, it is characterised in that including being electrically connected use with city
In the power line cleaner of power supply（1）, with the power line cleaner（1）Connected measurement level artificial mains network（2）, with institute
State measurement level artificial mains network（2）Connected bandwidth carrier coupling device（3）, with the bandwidth carrier coupling device（3）Phase
Bandwidth carrier host node even（4）, with the measurement level artificial mains network（2）And the bandwidth carrier host node（4）Homogeneously
Computer even（5）, with the bandwidth carrier host node（4）The intelligent attenuating device of connected bandwidth carrier（6）And the measurement
Level artificial mains network（2）And the intelligent attenuating device of the bandwidth carrier（6）Connected multistage bandwidth carrier networking is from node
（7）.
2. low-voltage power line bandwidth carrier constructing communication network according to claim 1 assesses emulation platform, it is characterised in that institute
State measurement level artificial mains network（2）With the power line cleaner（1）, bandwidth carrier coupling device（3）, computer（5）, it is wide
Band carrier networking is from node（7）Between connected by power line, the bandwidth carrier coupling device（3）With the bandwidth carrier
Host node（4）Between connected by the power line, the bandwidth carrier host node（4）With the computer（5）Between pass through
Data line is connected, the bandwidth carrier coupling device（3）, the intelligent attenuating device of the bandwidth carrier（6）With multistage width
Band carrier networking is from node（7）Between by shield accurate measurement level RF cable connect.
3. low-voltage power line bandwidth carrier constructing communication network according to claim 2 assesses emulation platform, it is characterised in that every
The level bandwidth carrier networking is from node（7）Including measuring level artificial mains network with described（2）It is connected by the power line
Filter（701）And the filter（701）The bandwidth carrier node communication module being connected by the power line
（702）And with the bandwidth carrier node communication module（702）It is connected by the power line for simulating actual electric network
The tunable load of various loads（704）.
4. low-voltage power line bandwidth carrier constructing communication network according to claim 3 assesses emulation platform, it is characterised in that the
2-N grades of the bandwidth carrier networking is from node（7）Also include and the bandwidth carrier node communication module（702）By described
Shield the connected bandwidth carrier adjustable damping device of accurate measurement level RF cable（703）.
5. low-voltage power line bandwidth carrier constructing communication network according to claim 4 assesses emulation platform, it is characterised in that the
1 grade of the bandwidth carrier networking is from node（7）Bandwidth carrier node communication module（702）Pass through the shielding accurate measurement
Level RF cable and the intelligent attenuating device of the bandwidth carrier（6）It is connected, 2-N grades of the bandwidth carrier networking is from node
（7）Bandwidth carrier adjustable damping device（703）Pass through the shielding accurate measurement level RF cable and the width of upper level
Band Carrier Node communication module（702）It is connected.
6. low-voltage power line bandwidth carrier constructing communication network according to claim 3 assesses emulation platform, it is characterised in that institute
State bandwidth carrier node communication module（702）It is arranged in bandwidth carrier terminal, the bandwidth carrier terminal is acquisition terminal, adopted
Storage or intelligent electric meter.
7. low-voltage power line bandwidth carrier constructing communication network according to claim 4 assesses emulation platform, it is characterised in that institute
State the intelligent attenuating device of bandwidth carrier（6）With the bandwidth carrier adjustable damping device（703）Working frequency is 3KHz-60MHz,
Decaying amplitudes are 0dB-120dB.
8. low-voltage power line bandwidth carrier constructing communication network according to claim 2 assesses emulation platform, it is characterised in that also
Including with the bandwidth carrier coupling device（3）It is connected the scrambled signals source for analogue noise by data line（11）.
9. low-voltage power line bandwidth carrier constructing communication network according to claim 2 assesses emulation platform, it is characterised in that also
Including with the bandwidth carrier host node（4）And computer（5）The Network Analyzer being connected by data line（8）, frequency
Spectrometer（9）And oscillograph（10）, the Network Analyzer（8）, spectrum analyzer（9）, oscillograph（10）With the measurement
Level artificial mains network（2）Between connected by power line.
10. low-voltage power line bandwidth carrier constructing communication network according to claim 1 assesses emulation platform, it is characterised in that
The power line cleaner（1）Including being electrically connected with the city for the AC voltage stabilizer for filtering voltage pulsation（101）、
With the AC voltage stabilizer（101）The isolated from power potential device being connected for isolation（102）And the isolated from power
Potential device（102）The AC filter installation being connected for filtering interference signals（103）.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106789328A (en) * | 2017-01-12 | 2017-05-31 | 深圳市深精电科技有限公司 | Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106789328A (en) * | 2017-01-12 | 2017-05-31 | 深圳市深精电科技有限公司 | Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform |
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