CN107135038A - Bandwidth carrier communication test system and R-T unit - Google Patents
Bandwidth carrier communication test system and R-T unit Download PDFInfo
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- CN107135038A CN107135038A CN201710567637.2A CN201710567637A CN107135038A CN 107135038 A CN107135038 A CN 107135038A CN 201710567637 A CN201710567637 A CN 201710567637A CN 107135038 A CN107135038 A CN 107135038A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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Abstract
The present invention provides a kind of bandwidth carrier communication test system and R-T unit, and the system includes：Control device, test equipment, the first R-T unit and the second R-T unit.First R-T unit and the second R-T unit are communicated to connect.Control device is communicated to connect with the first R-T unit and the second R-T unit respectively.Control device is connected with test equipment, and control device is by controlling test equipment to work, to realize the automatic test to carrier communication performance between the first R-T unit and the second R-T unit.Thus, the system that the present invention is provided possesses energy-storage function, bandwidth carrier communication test can be carried out in the case of not incoming transport power network, avoid the influence of the uncertain factors such as external environmental noise, ensure bandwidth carrier test environment will not by power network noise jamming, can obtain relatively objective, real test data and result.
Description
Technical field
The present invention relates to power wire broadband carrier communication technical field, communicate and survey in particular to a kind of bandwidth carrier
Test system and R-T unit.
Background technology
With the large-scale application of intelligent electric energy meter and acquisition terminal, power information acquisition system coverage rate is also increasingly
Height, carrier communication mode is used as one of Primary communication mode of power information acquisition system, the quality directly shadow of its communication performance
Ring to power information acquisition system collection success rate, and rationally, effectively, objective carrier communication test be ensure acquisition system
The important step of performance.In order to improve adaptability of the carrier wave to complicated factor in power network, research noise, signal attenuation, impedance
The influences of the disturbing factor to carrier communication such as change are most important.
In the prior art, the carrier communication test experiments environment isolated with power network is typically first built, then by the survey
The noise of setting is injected in examination experimental situation, the modes such as the attenuation and impedance value of communication line are adjusted, to realize disturbance
Quantitative test and analysis that factor influences on carrier communication.
However, there is problems with the test system that prior art is used：
1. bandwidth carrier space radiation is strong, isolating device is poor to its isolation effect.Thus, the width outside test system is caused
It is radiated with the signal in frequency range in test system network, influences the accuracy of test result；And the width inside test system
Band carrier signal is transmitted through isolating device in power network line, has got around attenuator, or make the attenuating of attenuator undesirable.
2. existing bandwidth carrier communication test system does not possess energy-storage function, it is necessary to incoming transport power network.And in order to purify
Test environment is, it is necessary to using equipment such as extra precision purification AC voltage-stabilized source, alternating current filter, artificial mains networks to electricity
Net voltage is purified, and adds the cost and technical threshold of carrier communication test.Even if also, isolation is arranged as taking
Apply the noise and the broadband carrier signal unrelated with experiment that can not also shield completely in AC network.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the present invention provides a kind of bandwidth carrier communication test system and transmitting-receiving
Device, it possesses energy-storage function, and bandwidth carrier communication test, isolated environment can be carried out in the case of not incoming transport power network
Noise, it is to avoid the influence of uncertain factor, it is ensured that bandwidth carrier test environment will not by power network noise jamming, obtained with this
Relatively objective, real test data and result.
The present invention provides a kind of bandwidth carrier communication test system, and the system includes：Control device, test equipment,
One R-T unit and the second R-T unit；
First R-T unit is communicated to connect with second R-T unit；
The control device is communicated to connect with first R-T unit and the second R-T unit respectively；
The control device is communicated to connect with the test equipment, and the control device is by controlling the test equipment work
Make, to realize the automatic test to bandwidth carrier communication performance between the first R-T unit and the second R-T unit.
In present pre-ferred embodiments, the letter to bandwidth carrier is included to the automatic test of bandwidth carrier communication performance
Number analysis test, the test equipment includes being used for the signal analyzer that records signal of communication；
The remote control interface of the signal analyzer is connected with the control device, and the radio frequency of the signal analyzer is defeated
Incoming interface is connected with the radio frequency interface of the second R-T unit, wherein, the signal analyzer fills first transmitting-receiving of record
Put the signal message communicated between second R-T unit and be transferred to the control device, so that the control device is realized
Signal analysis test to bandwidth carrier.
In present pre-ferred embodiments, the automatic test of bandwidth carrier communication performance is also included to bandwidth carrier
The test of anti-decay property, the test equipment also includes being used to adjust first R-T unit and second R-T unit
Between signal of communication attenuation degree attenuator；
The control signal interface of the attenuator is communicated to connect with the control device, and two radio frequencies of the attenuator connect
Mouth is connected with the radio frequency interface of first R-T unit and the radio frequency interface of the second R-T unit respectively, wherein, the control
Device realizes the test to the anti-decay property of bandwidth carrier by adjusting the pad value of the attenuator.
In present pre-ferred embodiments, the automatic test of bandwidth carrier communication performance is also included to bandwidth carrier
The test of anti-impedance variations performance, the test equipment also includes being used to adjust first R-T unit and the described second transmitting-receiving
The digital regulation resistance of communication line load impedance between device；
The control signal interface of the digital regulation resistance is communicated to connect with the control device, the cunning of the digital regulation resistance
The radio frequency interface and the radio frequency interface of the second R-T unit of moved end and one of connection end respectively with first R-T unit
Connection, wherein, the control device realizes the resistance resistance to bandwidth carrier by adjusting the impedance value of the digital regulation resistance
Change the test of performance.
In present pre-ferred embodiments, the automatic test of bandwidth carrier communication performance is also included to bandwidth carrier
The test of noise proof feature, the test equipment also includes the signal generator for providing experimental noise signal and is used for
The different radiofrequency signal of two-way or multichannel is synthesized to the combiner of signal all the way；
Two rf input interfaces of the combiner are received and dispatched with the radio frequency output interface of signal generator and first respectively
The radio frequency interface connection of device, the radio frequency output interface of the combiner is connected with the radio frequency interface of the second R-T unit, described
The signal that the noise signal and the first R-T unit that combiner sends the signal generator are sent is merged to be sent out after processing
Give the second R-T unit；
The remote control interface of the signal generator is communicated to connect with the control device, wherein, the control device
By controlling the signal generator to the different noises of carrier communication circuit injection, the noise immunity to bandwidth carrier is realized
The test of energy.
The present invention also provides a kind of R-T unit, and the R-T unit is applied to bandwidth carrier described in above-mentioned middle any one
Communication test system, the R-T unit includes：Power control unit and the accumulation power supply for being powered for the R-T unit；
The power control unit is connected with the accumulation power supply, wherein, the power control unit includes an electric discharge and opened
Close, the power control unit controls the storage according to the on off operating mode of the discharge switch and the electricity of the accumulation power supply
Can power work.
In present pre-ferred embodiments, the accumulation power supply includes rechargable power supplies or not rechargable power supplies, the electricity
Source control unit includes charge/discharge control unit or control of discharge unit.
In present pre-ferred embodiments, the R-T unit also includes communication module interface, radio frequency interface and signal coupling
Close unit；
The R-T unit is connected by the communication module interface with external communication module, by by the PERCOM peripheral communication
Module is inserted on the communication module interface, realizes the communication between the R-T unit and the external communication module；
The signal coupling unit is connected with the communication module interface and radio frequency interface respectively, to set up the communication mould
Signal transmission between block interface and radio frequency interface；
The test equipment that the R-T unit is included by the radio frequency interface and the bandwidth carrier communication test system
Connection, wherein, the test equipment is included in attenuator, digital regulation resistance, signal generator, combiner and signal analyzer
Any one or more.
In present pre-ferred embodiments, the external communication module includes carrier module and routing module, the communication
Module interface includes carrier module interface and routing module interface, wherein, the carrier module interface is used to insert the carrier wave
Module, the routing module interface be used for insert the routing module, by carrier module interface insert carrier module or
Person inserts routing module to realize corresponding communication function on routing module interface.
In present pre-ferred embodiments, the R-T unit also includes the first on-line communication unit, for indicating transmitting-receiving
The indicating member of working state of device and the main control unit for controlling R-T unit unit and/or interfaces；
The R-T unit is communicated to connect by the first on-line communication unit and control device；
The main control unit is connected with the first on-line communication unit and indicating member respectively, to control described first respectively
Machine communication unit and indicating member work.
In terms of existing technologies, the invention has the advantages that：
The present invention provides a kind of bandwidth carrier communication test system and R-T unit.The system includes：Control device, survey
Try equipment, the first R-T unit and the second R-T unit.First R-T unit is communicated to connect with second R-T unit.
The control device is communicated to connect with first R-T unit and the second R-T unit respectively.The control device is surveyed with described
Equipment connection is tried, the control device is received by controlling the test equipment to work to realize to the first R-T unit and second
The automatic test of carrier communication performance between transmitting apparatus.Thus, without using extra equipment to carrier communication test environment
Purified, reduce the cost and technical threshold of test.Also, the system that this programme is provided possesses energy-storage function, Neng Gou
Bandwidth carrier communication test is not carried out in the case of incoming transport power network, it is to avoid the shadow of the uncertain factor such as external environmental noise
Ring, it is ensured that bandwidth carrier test environment will not by power network noise jamming, can obtain relatively objective, real test data and
As a result.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
One of block diagram of bandwidth carrier communication test system that Fig. 1 provides for present pre-ferred embodiments.
The two of the block diagram for the bandwidth carrier communication test system that Fig. 2 provides for present pre-ferred embodiments.
The three of the block diagram for the bandwidth carrier communication test system that Fig. 3 provides for present pre-ferred embodiments.
The four of the block diagram for the bandwidth carrier communication test system that Fig. 4 provides for present pre-ferred embodiments.
The five of the block diagram for the bandwidth carrier communication test system that Fig. 5 provides for present pre-ferred embodiments.
The six of the block diagram for the bandwidth carrier communication test system that Fig. 6 provides for present pre-ferred embodiments.
One of block diagram of R-T unit that Fig. 7 provides for present pre-ferred embodiments.
The two of the block diagram for the R-T unit that Fig. 8 provides for present pre-ferred embodiments.
The block diagram for the control device that Fig. 9 provides for present pre-ferred embodiments.
Icon：10- bandwidth carrier communication test systems；100- control devices；110-CPU units；120- memory cell；
130- the second on-line communication units；140- power supplys；150- display units；160- input blocks；170- output units；200- is tested
Equipment；210- signal analyzers；220- attenuators；230- digital regulation resistances；240- signal generators；250- combiners；300-
First R-T unit；The R-T units of 400- second；500- R-T units；510- exchanges electrical interface；515- power control units；
520- power subsystems；525- accumulation power supplies；530- communication module interfaces；535- radio frequency interfaces；540- signal coupling units；545-
First on-line communication unit；550- indicating members；555- main control units.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing description, without
It is understood that to indicate or imply relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, and can be communication connection or electrical connection；Can be joined directly together, can also be in
Between medium be indirectly connected to.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.It is following in the case where not conflicting
Feature in embodiment and embodiment can be mutually combined.
The present invention provides a kind of bandwidth carrier communication test system 10.The bandwidth carrier communication test system 10 can be realized
To the automatic test of carrier communication performance.Wherein, the automatic test to carrier communication performance can include, but not limit
In：To the signal analysis of carrier wave test, the test to the anti-decay property of carrier wave, the survey of the anti-impedance variations performance to carrier wave
Examination, the test to the noise proof feature of carrier wave, the test of the conformability to carrier wave complex environment factor and receiving sensitivity
Test etc..
Referring to Fig. 1, the square frame signal for the bandwidth carrier communication test system 10 that Fig. 1 provides for present pre-ferred embodiments
One of figure.The system includes：Control device 100, test equipment 200, the first R-T unit 300 and the second R-T unit 400.
In the present embodiment, first R-T unit 300 is communicated to connect with second R-T unit 400.Described
One R-T unit 300 sends copy reading signaling to second R-T unit 400, and second R-T unit 400 is being received
Letter in reply order is sent back after copy reading signaling to first R-T unit 300.Hereby it is achieved that first R-T unit 300 and institute
State the carrier communication between the second R-T unit 400.
In the present embodiment, the control device 100 respectively with the R-T unit of the first R-T unit 300 and second
400 communication connections.Wherein, the control device 100 can directly control first R-T unit 300 to receive and dispatch dress with described second
Put the transmitting-receiving operation of communication signaling between 400.In addition, the R-T unit 400 of the first R-T unit 300 and second also can be voluntarily
Communication signaling is received and dispatched, and informs when sending or receiving the communication signaling control device 100.The communication signaling can
With including above-mentioned copy reading signaling and reply signaling.
In the present embodiment, the control device 100 is connected with the test equipment 200, and the test equipment 200 is penetrated
Frequency input interface is connected with the radio frequency interface of the R-T unit 400 of the first R-T unit 300 or second, the control device
100 by controlling the test equipment 200 to work, to realize to being carried between the first R-T unit 300 and the second R-T unit 400
The automatic test of wave communication performance.
Referring to Fig. 2, the square frame signal for the bandwidth carrier communication test system 10 that Fig. 2 provides for present pre-ferred embodiments
The two of figure.The system is when the signal analysis for carrying out carrier wave is tested, and the test equipment 200 includes being used for believing communication
Number signal analyzer recorded 210.
In the present embodiment, the remote control interface of the signal analyzer 210 is connected with the control device 100, institute
The rf input interface for stating signal analyzer 210 is connected with the radio frequency interface of the second R-T unit 400.The signal analyzer
The signal message communicated between first R-T unit 300 of record and second R-T unit 400 is transferred to institute by 210
Control device 100 is stated, the signal message includes：The information such as waveform, the frequency spectrum of signal.The control device 100 receives described
Analysis test can be carried out to the signal of carrier wave, thus obtain amplitude, cycle, power, frequency range of carrier signal etc. after signal message
Information parameter.Wherein, when needed, the signal analyzer 210 can be also connected with the first R-T unit 300.
Referring to Fig. 3, the square frame signal for the bandwidth carrier communication test system 10 that Fig. 3 provides for present pre-ferred embodiments
The three of figure.The system for carrying out the anti-decay property of carrier wave when testing, and the test equipment 200 may also include for adjusting
Save the attenuator 220 of signal of communication attenuation degree between first R-T unit 300 and second R-T unit 400.
In the present embodiment, if need to only test the anti-decay property of carrier wave, the system is described without access
Signal analyzer 210.If also need to carry out receiving sensitivity test, the system can access the signal analyzer 210.
In the present embodiment, the control signal interface of the attenuator 220 is communicated to connect with the control device 100, institute
State the radio frequency interface and the second R-T unit of two radio frequency interfaces of attenuator 220 also respectively with first R-T unit 300
400 radio frequency interface connection.The control device 100 is resisted by adjusting the pad value of the attenuator 220, realization to carrier wave
The test of fade performance.
In the present embodiment, the attenuator 220 includes control signal interface, radio frequency interface 1 and radio frequency interface 2.It is described
The radio frequency interface of first R-T unit 300 is connected with the radio frequency interface 1 of the attenuator 220, second R-T unit 400
Radio frequency interface is connected with the radio frequency interface 2 of the attenuator 220, the radio frequency interface 1 of the attenuator 220 and radio frequency interface 2 it
Between be the circuit decayed to signal.The control device 100 is connected with the control signal interface of the attenuator 220.
In the present embodiment, carrier communication is carried out in first R-T unit 300 and second R-T unit 400
During, the control device 100 can test the anti-decay property of carrier wave by adjusting the pad value of attenuator 220.When described
When second R-T unit 400 can not just receive the carrier signal that first R-T unit 300 is sent, than the attenuator
The pad value of 220 small one grade of current attenuation values is that (now, signal analyzer 210 is measured for the maximum anti-ageing decrement of the carrier wave
Signal power is the receiving sensitivity of the carrier wave).When the second R-T unit 400 can intactly receive first R-T unit
300 carrier signal, and first R-T unit 300 can not completely receive the second R-T unit 400 reply signal when, say
The unmatched problem of transmitting-receiving is occurred in that between bright first R-T unit 300 and second R-T unit 400.
In the present embodiment, the maximum anti-ageing decrement obtained is bigger, then shows that the anti-decay property of carrier wave is better.Institute
Programmable attenuator or adjustable attenuator can be included, but not limited to by stating attenuator 220.
Referring to Fig. 4, the square frame signal for the bandwidth carrier communication test system 10 that Fig. 4 provides for present pre-ferred embodiments
The four of figure.The system is in the anti-impedance variations performance test for carrying out carrier wave, and the test equipment 200 also includes being used for
Adjust the digital regulation resistance of communication line load impedance between first R-T unit 300 and second R-T unit 400
230。
In the present embodiment, when carrying out the anti-impedance variations performance test of carrier wave, the system need not access above-mentioned decline
Subtract device 220.The signal analyzer 210 can when test needs access system.
In the present embodiment, the control signal interface of the digital regulation resistance 230 and the communication link of control device 100
Connect, the radio frequency of the sliding end of the digital regulation resistance 230 and one of connection end respectively with first R-T unit 300 connects
The radio frequency interface connection of mouth and the second R-T unit 400, wherein, the control device 100 is by adjusting the digital regulation resistance
230 impedance value, realizes the test to the anti-impedance variations performance of carrier wave.
In the present embodiment, carrier communication is carried out in first R-T unit 300 and second R-T unit 400
During, the control device 100 can test the anti-impedance variations of carrier wave by adjusting the impedance value of digital regulation resistance 230
Energy.The signal analyzer 210 can record the change of the information such as the amplitude of the carrier signal received during different impedance values, power
Situation.When second R-T unit 400 can not just receive the carrier signal that first R-T unit 300 is sent,
Impedance value than small one grade of the present impedance value of the digital regulation resistance 230 is maximum that the carrier communication circuit can be born
Impedance value.When the second R-T unit 400 can intactly receive the carrier signal of first R-T unit 300, and described
When one R-T unit 300 can not completely receive the signal of the second R-T unit 400 reply, illustrate first R-T unit 300
The unmatched problem of transmitting-receiving is occurred in that between second R-T unit 400.
In the present embodiment, the maximum impedance value obtained is bigger, shows that the anti-impedance variations performance of carrier wave is better.
Referring to Fig. 5, the square frame signal for the bandwidth carrier communication test system 10 that Fig. 5 provides for present pre-ferred embodiments
The five of figure.The system for carrying out the noise proof feature of carrier wave when testing, and the test equipment 200 also includes being used for
The signal generator 240 of experimental noise signal is provided and believed all the way for the different radiofrequency signal of two-way or multichannel to be synthesized
Number combiner 250.
In the present embodiment, the signal of two rf input interfaces of the combiner 250 respectively with signal generator 240
The radio frequency interface connection of output interface and the first R-T unit 300, the radio frequency output interface of the combiner 250 and the second transmitting-receiving
The radio frequency interface connection of device 400, the noise signal and first that the combiner 250 sends the signal generator 240 is received
The signal that transmitting apparatus 300 is sent is sent to the second R-T unit 400 after merging processing.
In the present embodiment, the remote control interface of the signal generator 240 and the communication link of control device 100
Connect.The control device 100 is by controlling the signal generator 240 to be received in first R-T unit 300 with described second
Transmitting apparatus 400 carries out injecting different noises to carrier communication circuit in the circuit of carrier communication, to realize the antinoise to carrier wave
The test of jamming performance.Wherein, the different noises of injection can include Gaussian noise, white noise, random disturbances noise and recording
Electric network noise etc..
In the present embodiment, during the different noises of the recordable injection of the signal analyzer 210, the second R-T unit 400 connects
The situation of change of the information such as the noise and the amplitude of route signal that receive, power, frequency, signal to noise ratio.The control device 100 is needed
Judge that can second R-T unit 400 accurately receive and parse through out the instruction of the first R-T unit 300 transmission, to count
And draw communication success rate.The control device 100 can judge the anti-noise jamming of carrier wave according to communication success rate and signal to noise ratio
Performance.
Referring to Fig. 6, the square frame signal for the bandwidth carrier communication test system 10 that Fig. 6 provides for present pre-ferred embodiments
The six of figure.The system is when the conformability to complex environment factor is tested, the signal that above-mentioned test equipment 200 includes
Analyzer 210, attenuator 220, digital regulation resistance 230, signal generator 240 and the equal access system of combiner 250.The control
Device 100 can be controlled adjustment, the letter to the attenuator 220, digital regulation resistance 230 and signal generator 240 simultaneously
Signal intensity situation in number analyzer 210 record communication line, the control device 100 obtain the signal intensity situation and
Communication success rate is simultaneously analyzed, to realize the conformability test to complex environment factor.
The present invention also provides a kind of R-T unit 500.Referring to Fig. 7, the transmitting-receiving that Fig. 7 provides for present pre-ferred embodiments
One of block diagram of device 500.
In the present embodiment, the first R-T unit 300 and second that above-mentioned bandwidth carrier communication test system 10 includes is received
The R-T unit 500 that transmitting apparatus 400 is provided using Fig. 7.
The R-T unit 500 includes：Power control unit 515 and the energy storage for being powered for the R-T unit 500
Power supply 525.
The power control unit 515 is connected with the accumulation power supply 525.The power control unit 515 is put including one
Electric switch, the power control unit 515 can be according to the on off operating mode and the electricity of the accumulation power supply 525 of the discharge switch
Amount state controls the accumulation power supply 525 to work.
In the present embodiment, the accumulation power supply 525 can include：Rechargable power supplies (such as, rechargeable battery) or not
Rechargable power supplies (such as, not rechargeable cell), the power control unit 515 can include charge/discharge control unit or
Control of discharge unit.Wherein, the accumulation power supply 525 is preferred to use rechargable power supplies, and the power control unit 515 is preferably adopted
Use charge/discharge control unit.The discharge switch can be the switch of manual control.
In the present embodiment, the R-T unit 500 also includes communication module interface 530, radio frequency interface 535, signal coupling
Close unit 540, the first on-line communication unit 545, the indicating member 550 for indicating the working condition of R-T unit 500 and use
In the control unit of R-T unit 500 and/or the main control unit 555 of interfaces.
In the present embodiment, can be using external charger to described when the accumulation power supply 525 is using rechargable power supplies
Accumulation power supply 525 charges.
In addition, the AC conversion that can also provide AC network is direct current, with the direct current after conversion
Charged for the accumulation power supply 525.
Referring to Fig. 8, the two of the block diagram for the R-T unit 500 that Fig. 8 provides for present pre-ferred embodiments.It is described
R-T unit 500 may also include：Exchange electrical interface 510 and the power subsystem 520 for alternating current to be converted to direct current.
In the present embodiment, the power subsystem 520 is connected with the exchange electrical interface 510.Alternating current is from the exchange
Electrical interface 510 is converted to the direct current for being available for the R-T unit 500 to work by the power subsystem 520 after inputting.
In the present embodiment, power subsystem 520 will be needed for the exchange input AC electricity of electrical interface 510 be converted to work
Direct current and be output to main control unit 555, communication module that the R-T unit 500 includes through power control unit 515 and connect
The 530, first on-line communication unit 545 of mouth and indicating member 550.
In the present embodiment, the power subsystem 520 is connected with the power control unit 515.The power supply list
Member 515 can be according to the voltage output state of the power subsystem 520, the on off operating mode of the discharge switch and energy storage electricity
The state of charge in source 525 controls the accumulation power supply 525 to work.
Illustrated below to controlling the accumulation power supply 525 to carry out charge and discharge work.
In the present embodiment, when main control unit 555, which detects power subsystem 520, voltage output, it is first shut off electric discharge
Passage, now no matter discharge switch is in closure state or off-state, and accumulation power supply 525 does not discharge.Then institute is judged
Stating accumulation power supply 525, whether electricity is sufficient, and the accumulation power supply 525 is charged if inadequate, and by indicating member 550
The current state for indicating accumulation power supply 525 is charged state.The charge closing passage if electricity is sufficient, and by indicating member 550
The current operating state for indicating accumulation power supply 525 is full state.
In the present embodiment, when main control unit 555 detects 520 Non voltage output of power subsystem, energy storage electricity is first judged
Whether the electricity of source 525 is sufficient, i.e., can accumulation power supply 525 maintain the normal work of R-T unit 500 by discharging.If electricity is not
Foot, or electricity is sufficient but the discharge switch disconnects, then closes the instruction to the state of accumulation power supply 525, now, R-T unit
500 are in power failure state.If electricity is sufficient and discharge switch is closed, accumulation power supply 525 externally discharges, now, R-T unit
500 are powered by accumulation power supply 525, and the working condition of accumulation power supply 525 is designated as discharge condition by indicating member 550.
In the present embodiment, the mode of the above-mentioned state of charge of judgement accumulation power supply 525 may be, but not limited to, and pass through storage
The parameters such as voltage, the electric current of energy power supply 525 are judged.For example, when being judged by voltage, voltage threshold can be preset
(such as, 3.3V) and maximum voltage value (such as, 5V).When the voltage for detecting accumulation power supply 525 is less than voltage threshold (3.3V)
When, it can determine that the not enough power supply of accumulation power supply 525.When detecting accumulation power supply 525 and reaching maximum voltage value (5V), storage can determine that
The electricity of energy power supply 525 is full state.
Thus, the R-T unit 500 that the present invention is provided has energy-storage function, can be in the case of not incoming transport power network
Bandwidth carrier communication test is carried out, can isolated environment noise, it is to avoid the influence of uncertain factor.The accumulation power supply 525 can be
R-T unit 500 is powered, and bandwidth carrier communication test can be achieved without being passed through alternating current, and when incoming transport power network,
The alternating current of input can also charge to accumulation power supply 525.
Referring to Fig. 8, the R-T unit 500 is led to by the communication module interface 530 and external communication module
Letter connection, by the way that the external communication module is inserted on the communication module interface 530, to realize the R-T unit
Communication between 500 and the external communication module.
In the present embodiment, R-T unit 500 is powered by the communication module interface 530 for external communication module, and
Communicated by the communication module interface 530 with external communication module.The external communication module includes carrier module and route
Module, the carrier module includes single-phase carrier module and Three Phase Carrier Based module.The communication module interface 530 includes carrier wave mould
Block interface and routing module interface, the carrier module interface also includes single-phase carrier module interface and Three Phase Carrier Based module connects
Mouthful.Wherein, above-mentioned three kinds of interfaces include power port, control port, FPDP and forceful electric power port.The power port with
Power control unit 515 is connected；The control port and FPDP are connected with main control unit 555；The forceful electric power port is with handing over
Stream electrical interface 510 is connected.
In the present embodiment, due to the presence of communication module interface 530, the carrier module can be inserted into the carrier wave
On module interface, or the routing module is inserted on the routing module interface, to realize corresponding communication function.
For example, in the bandwidth carrier communication test system 10 that the present invention is provided, by the logical of the first R-T unit 300
Letter module interface on insert routing module, on the communication module interface of the second R-T unit 400 insert single-phase carrier module or
Three Phase Carrier Based module, sets up carrier communication.
In the present embodiment, the signal coupling unit 540 respectively with the communication module interface 530 and radio frequency interface
535 connections, to set up the transmission of the signal between the communication module interface 530 and radio frequency interface 535.The R-T unit 500
It is connected by the radio frequency interface 535 with the test equipment 200 that the bandwidth carrier communication test system 10 includes, wherein, institute
Stating test equipment 200 includes attenuator 220, digital regulation resistance 230, signal generator 240, combiner 250 and signal analyzer
Any one in 210 or combination.
In the present embodiment, external communication module accesses R-T unit 500, the transmitting-receiving by communication module interface 530
Device 500 is connected further through radio frequency interface 535 with test equipment 200.The R-T unit 500 does not use Alternating Current Power Supply, route
Signal of communication between module and carrier module is only capable of transmitting by the signal wire for connecting radio frequency interface 535, farthest keeps away
Having exempted from the noise jamming and signal shorts of AC network, (i.e. signal detours from AC network so that the attenuation of attenuator 220
Reduction is failed).Thus, there is unique letter that communicates between first R-T unit 300 and second R-T unit 400
Road.Carrier signal is cut down or disturbed by regulating and controlling the attenuator 220, digital regulation resistance 230 and signal generator 240
Test, can draw relatively objective, real test data and result.
Referring to Fig. 8, the R-T unit 500 passes through the first on-line communication unit 545 and control device 100
Communication connection.Wherein, the form that implements being communicatively coupled may be, but not limited to, and the serial ports based on RS232 agreements leads to
Letter, the communication based on RS485 agreements, the ethernet communication based on RJ45 interfaces, the radio communication based on WiFi technology, based on 4G
Wireless public network communication of technology etc..
In the present embodiment, control instruction can be sent by Ethernet by running on the communication test software of control device 100
To the main control unit 555 of R-T unit 500, main control unit 555 can return to response message by original route, carrier communication is realized with this
The remote control and data transfer of test.
In the present embodiment, the main control unit 555 connects with the first on-line communication unit 545 and indicating member 550 respectively
Connect, to control the first on-line communication unit 545 and indicating member 550 to work respectively.
In the present embodiment, the indicating member 550 is used for the working condition for indicating R-T unit 500, for example, can be used for
The charging of instruction accumulation power supply 525, electric discharge, pass/disconnected state, the break-make situation of AC power, the access feelings of external communication module
Condition, communications status of the first on-line communication unit 545 etc..
In the present embodiment, main control unit 555 is the control centre of R-T unit 500, is mainly used in realizing and carrier wave is led to
The instruction of the parsing and response of letter data, execution and feedback that on-line communication is instructed, and the various working conditions of R-T unit 500
The operation such as control.
In the present embodiment, the main control unit 555 can be MCU units (micro-control unit, Microcontroller
Unit).MCU units are also known as one chip microcomputer (Single Chip Microcomputer) or single-chip microcomputer, are by center
The frequency and specification of processor (Central Process Unit, CPU) do appropriate reduction, and by internal memory (memory), count
The perimeter interface such as device (Timer), USB, A/D conversion, UART, PLC, DMA even LCD drive circuits are all incorporated into one chip
On, the computer of chip-scale is formed, different combination controls can be done for different application scenarios.
It is appreciated that the structure described in Fig. 7 or Fig. 8 is only signal, R-T unit 500 may also include than institute in Fig. 7 or Fig. 8
Show more either less components or with the configuration different from shown in Fig. 7 or Fig. 8.Each component shown in Fig. 7 or Fig. 8
It can be realized using hardware, software or its combination.
Further, since narrowband carrier frequency is relatively low, frequency band is narrow, relatively easily realize in the narrowband slice in AC network
Noise isolation, R-T unit 500 of the invention can enter using incoming transport power network as the common R-T unit in current techniques
Row narrowband carrier communication test.Or in the case of not strict to index requests such as experimental noise or shield effectivenesses, as general
Logical R-T unit incoming transport power network carries out bandwidth carrier communication test.
Referring to Fig. 9, the block diagram for the control device 100 that Fig. 9 provides for present pre-ferred embodiments.Above-mentioned broadband
The structure that the control device 100 that carrier communication test system 10 includes can be provided using Fig. 8.
In the present embodiment, the control device 100 includes CPU element 110, memory cell 120, the second on-line communication list
Member 130, power supply 140, display unit 150, input block 160 and output unit 170.The CPU element 110 is single with storage respectively
First 120, second on-line communication unit 130, power supply 140, display unit 150, input block 160 and output unit 170 are connected, with
Processing is controlled to these units.
In the present embodiment, the CPU element 110 be used for the presentation of information of control device 100, the identification of input information,
Communication between data storage and control device 100 and R-T unit 500 is controlled.The memory cell 120 is used for will
The necessary information and data produced in carrier communication test is preserved.The control device 100 is online logical by described second
Letter unit 130 is communicated with R-T unit 500, wherein, it is specific that the second on-line communication unit 130 is communicatively coupled
Way of realization is identical with above-mentioned first on-line communication unit 545.The power supply 140 is used to provide electric energy for control device 100
Source.The display unit 150 is used for the working condition to the information in carrier communication test process, data and control device 100
Shown etc. parameter.The input block 160 is used to enable test man to set, read bandwidth carrier communication test system 10
Parameter, information and the equipment into system assign control instruction.The output unit 170 is used for test data and record
Export control device 100.
It is appreciated that the structure described in Fig. 9 be only signal, control device 100 may also include it is more more than shown in Fig. 9 or
Less component, or with the configuration different from shown in Fig. 9.Each component shown in Fig. 9 can using hardware, software or its
Combination is realized.
In summary, the present invention provides a kind of bandwidth carrier communication test system and R-T unit.The system includes：Control
Device processed, test equipment, the first R-T unit and the second R-T unit.First R-T unit and second R-T unit
Communication connection.The control device is communicated to connect with first R-T unit and the second R-T unit respectively.The control dress
Put and be connected with the test equipment, the control device is by controlling the test equipment to work, to realize to the first transmitting-receiving dress
Put the automatic test of the carrier communication performance between the second R-T unit.
Thus, without using extra equipment (such as, precision purification AC voltage-stabilized source, alternating current filter, artificial power supply
Network etc.) carrier communication test environment is purified, reduce the cost and technical threshold of test.Also, this programme is provided
R-T unit possess energy-storage function, bandwidth carrier communication test can be carried out in the case of not incoming transport power network, it is to avoid
Influenceed by uncertain factors such as external environmental noises.Ensure that the noise that communication test is carried out in the frequency range of broadband is known, controllable,
It can obtain relatively objective, real test data and result.
The bandwidth carrier communication test system that the present invention is provided can realize the automatic test of carrier communication, especially right
The test of the anti-decay property of carrier wave and the test of anti-impedance variations performance, with rigorous scientific, tight logicality and
Higher execution efficiency, can lift the accuracy of bandwidth carrier communication test.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of bandwidth carrier communication test system, it is characterised in that the system includes：Control device, test equipment, first
R-T unit and the second R-T unit；
First R-T unit is communicated to connect with second R-T unit；
The control device is communicated to connect with first R-T unit and the second R-T unit respectively；
The control device and the test equipment are communicated to connect, the control device by controlling the test equipment to work,
To realize the automatic test to bandwidth carrier communication performance between the first R-T unit and the second R-T unit.
2. system according to claim 1, it is characterised in that the automatic test of bandwidth carrier communication performance is included pair
The signal analysis test of bandwidth carrier, the test equipment includes the signal analyzer for being used to record signal of communication；
The remote control interface of the signal analyzer is connected with the control device, and the radio frequency input of the signal analyzer connects
Mouthful be connected with the radio frequency interface of the second R-T unit, wherein, the signal analyzer by first R-T unit of record and
The signal message communicated between second R-T unit is transferred to the control device, so that the control device is realized to width
Signal analysis test with carrier wave.
3. system according to claim 1 or 2, it is characterised in that to the automatic test of bandwidth carrier communication performance also
Include the test of the anti-decay property to bandwidth carrier, the test equipment also include being used for adjusting first R-T unit with
The attenuator of signal of communication attenuation degree between second R-T unit；
The control signal interface of the attenuator is communicated to connect with the control device, two radio frequency interfaces point of the attenuator
It is not connected with the radio frequency interface of first R-T unit and the radio frequency interface of the second R-T unit, wherein, the control device
By adjusting the pad value of the attenuator, the test to the anti-decay property of bandwidth carrier is realized.
4. system according to claim 1 or 2, it is characterised in that to the automatic test of bandwidth carrier communication performance also
Include the test of the anti-impedance variations performance to bandwidth carrier, the test equipment also includes being used to adjust the first transmitting-receiving dress
Put the digital regulation resistance of the communication line load impedance between second R-T unit；
The control signal interface of the digital regulation resistance is communicated to connect with the control device, the sliding end of the digital regulation resistance
It is connected respectively with the radio frequency interface of first R-T unit and the radio frequency interface of the second R-T unit with one of connection end,
Wherein, the control device realizes the anti-impedance variations to bandwidth carrier by adjusting the impedance value of the digital regulation resistance
The test of energy.
5. system according to claim 1 or 2, it is characterised in that to the automatic test of bandwidth carrier communication performance also
Include the test of the noise proof feature to bandwidth carrier, the test equipment also includes being used to provide experimental noise signal
Signal generator and the combiner for the different radiofrequency signal of two-way or multichannel to be synthesized to signal all the way；
The radio frequency output interface and the first R-T unit of two rf input interfaces of the combiner respectively with signal generator
Radio frequency interface connection, the radio frequency output interface of the combiner is connected with the radio frequency interface of the second R-T unit, the combining
The signal that the noise signal and the first R-T unit that device sends the signal generator are sent is sent to after merging processing
Second R-T unit；
The remote control interface of the signal generator is communicated to connect with the control device, wherein, the control device passes through
Control the signal generator to inject different noises to carrier communication circuit, realize to the noise proof feature of bandwidth carrier
Test.
6. a kind of R-T unit, it is characterised in that the R-T unit is applied to broadband described in claim 1-5 any one and carried
Wave communication test system, the R-T unit includes：Power control unit and the energy storage electricity for being powered for the R-T unit
Source；
The power control unit is connected with the accumulation power supply, wherein, the power control unit includes a discharge switch, institute
State power control unit and the energy storage electricity is controlled according to the on off operating mode of the discharge switch and the electricity of the accumulation power supply
Source works.
7. R-T unit according to claim 6, it is characterised in that the accumulation power supply includes rechargable power supplies or can not
Charge power supply, the power control unit includes charge/discharge control unit or control of discharge unit.
8. R-T unit according to claim 6, it is characterised in that the R-T unit also include communication module interface,
Radio frequency interface and signal coupling unit；
The R-T unit is connected by the communication module interface with external communication module, by by the external communication module
It is inserted on the communication module interface, realizes the communication between the R-T unit and the external communication module；
The signal coupling unit is connected with the communication module interface and radio frequency interface respectively, is connect with setting up the communication module
Signal between mouth and radio frequency interface is transmitted；
The R-T unit is connected by the radio frequency interface with the test equipment that the bandwidth carrier communication test system includes,
Wherein, the test equipment includes any in attenuator, digital regulation resistance, signal generator, combiner and signal analyzer
It is one or more.
9. R-T unit according to claim 8, it is characterised in that the external communication module includes carrier module and road
By module, the communication module interface includes carrier module interface and routing module interface, wherein, the carrier module interface is used
In inserting the carrier module, the routing module interface is used to insert the routing module, by carrier module interface
Inserting carrier module inserts routing module to realize corresponding communication function on routing module interface.
10. R-T unit according to claim 6, it is characterised in that the R-T unit also includes the first on-line communication
Unit, the indicating member for indicating R-T unit working condition and for controlling R-T unit unit and/or interface work
The main control unit of work；
The R-T unit is communicated to connect by the first on-line communication unit and control device；
The main control unit is connected with the first on-line communication unit and indicating member respectively, described first online logical to control respectively
Believe unit and indicating member work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710567637.2A CN107135038A (en) | 2017-07-12 | 2017-07-12 | Bandwidth carrier communication test system and R-T unit |
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| CN201710567637.2A CN107135038A (en) | 2017-07-12 | 2017-07-12 | Bandwidth carrier communication test system and R-T unit |
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| CN107346994A (en) * | 2017-09-08 | 2017-11-14 | 武汉盛帆电子股份有限公司 | Bandwidth carrier automatization test system and relaying series method of testing |
| 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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Application publication date: 20170905 |