CN206908601U - 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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- CN206908601U CN206908601U CN201720848213.9U CN201720848213U CN206908601U CN 206908601 U CN206908601 U CN 206908601U CN 201720848213 U CN201720848213 U CN 201720848213U CN 206908601 U CN206908601 U CN 206908601U
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Abstract
The utility model, which provides a kind of bandwidth carrier communication test system and R-T unit, the system, to be included：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 communicate to connect.Control device communicates 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, system provided by the utility model possesses energy-storage function, and bandwidth carrier communication test can be carried out in the case of not incoming transport power network, avoids being influenceed by uncertain factors such as external environmental noises.Ensure that bandwidth carrier test environment will not be can obtain relatively objective, real test data and result by the noise jamming of power network.
Description
Technical field
Power wire broadband carrier communication technical field is the utility model is related to, is led in particular to a kind of bandwidth carrier
Believe 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
One of height, Primary communication mode of the carrier communication mode as power information acquisition system, the good and bad direct 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 attenuation and the impedance value of communication line are adjusted, to realize disturbance
The quantitative test and analysis that factor influences on carrier communication.
However, there is problems with the test system that prior art uses：
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.Also, arranged even if taking such isolation
Apply noise and the broadband carrier signal unrelated with experiment that can not also shield completely in AC network.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the utility model provide a kind of bandwidth carrier communication test system and
R-T unit, it possesses energy-storage function, and bandwidth carrier communication test can be carried out in the case of not incoming transport power network, isolation
Ambient noise, the influence of uncertain factor is avoided, ensure that bandwidth carrier test environment will not be by the noise jamming of power network, with this
Obtain relatively objective, real test data and result.
The utility model provides a kind of bandwidth carrier communication test system, and the system includes：Control device, test are set
Standby, the first R-T unit and the second R-T unit；
First R-T unit communicates to connect with second R-T unit；
The control device communicates to connect with first R-T unit and the second R-T unit respectively；
The control device communicates 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 the utility model preferred embodiment, the automatic test of bandwidth carrier communication performance is included to bandwidth carrier
Signal 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 to be 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 the utility model preferred embodiment, the automatic test of bandwidth carrier communication performance is also included carrying broadband
The test of the anti-decay property of ripple, the test equipment also include being used to adjust first R-T unit and the described second transmitting-receiving
The attenuator of signal of communication attenuation degree between device；
The control signal interface of the attenuator communicates 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 the utility model preferred embodiment, the automatic test of bandwidth carrier communication performance is also included carrying broadband
The test of the anti-impedance variations performance of ripple, the test equipment also include being used to adjust first R-T unit and described second
The digital regulation resistance of communication line load impedance between R-T unit；
The control signal interface of the digital regulation resistance communicates to connect with the control device, the cunning of the digital regulation resistance
Moved end and one of connection end respectively with the radio frequency interface of first R-T unit and the radio frequency interface of the second 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 the utility model preferred embodiment, the automatic test of bandwidth carrier communication performance is also included carrying broadband
The test of the noise proof feature of ripple, the test equipment also include be used for provide experimental noise signal signal generator and
For the different radiofrequency signal of two-way or multichannel to be 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 sent out after merging processing
Give the second R-T unit；
The remote control interface of the signal generator communicates to connect with the control device, wherein, the control device
By controlling the signal generator to inject different noises to carrier communication circuit, the noise immunity to bandwidth carrier is realized
The test of energy.
The utility model also provides a kind of R-T unit, and the R-T unit is applied to broadband described in above-mentioned middle any one
Carrier communication test system, the R-T unit include：Power control unit and the energy storage for being powered for the R-T unit
Power supply；
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 the utility model preferred embodiment, the accumulation power supply includes rechargable power supplies or not rechargable power supplies, institute
Stating power control unit includes charge/discharge control unit or control of discharge unit.
In the utility model preferred embodiment, the R-T unit also includes communication module interface, radio frequency interface and letter
Number coupling 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 establish 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 the utility model preferred embodiment, the external communication module includes carrier module and routing module, described
Communication module interface includes carrier module interface and routing module interface, wherein, the carrier module interface is described for inserting
Carrier module, the routing module interface is used to insert the routing module, by inserting carrier wave mould on carrier module interface
Block inserts routing module to realize corresponding communication function on routing module interface.
In the utility model preferred embodiment, the R-T unit also includes the first on-line communication unit, for indicating
The indicating member of R-T unit working condition 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 utility model has the advantages that：
The utility model provides a kind of bandwidth carrier communication test system and R-T unit.The system includes：Control dress
Put, test equipment, the first R-T unit and the second R-T unit.First R-T unit communicates with second R-T unit
Connection.The control device communicates to connect with first R-T unit and the second R-T unit respectively.The control device with
Test equipment connection, the control device by controlling the test equipment to work, with realize to the first R-T unit with
The automatic test of carrier communication performance between second R-T unit.Thus, carrier communication is surveyed without using extra equipment
Test ring border is purified, and reduces the cost and technical threshold of test.Also, the system that this programme provides possesses energy-storage function,
Bandwidth carrier communication test can be carried out in the case of not incoming transport power network, avoids the uncertain factors such as external environmental noise
Influence, ensure bandwidth carrier test environment will not by the noise jamming of power network, can obtain it is relatively objective, really test number
According to and result.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is one of block diagram of bandwidth carrier communication test system that the utility model preferred embodiment provides.
Fig. 2 is the two of the block diagram for the bandwidth carrier communication test system that the utility model preferred embodiment provides.
Fig. 3 is the three of the block diagram for the bandwidth carrier communication test system that the utility model preferred embodiment provides.
Fig. 4 is the four of the block diagram for the bandwidth carrier communication test system that the utility model preferred embodiment provides.
Fig. 5 is the five of the block diagram for the bandwidth carrier communication test system that the utility model preferred embodiment provides.
Fig. 6 is the six of the block diagram for the bandwidth carrier communication test system that the utility model preferred embodiment provides.
Fig. 7 is one of block diagram of R-T unit that the utility model preferred embodiment provides.
Fig. 8 is the two of the block diagram for the R-T unit that the utility model preferred embodiment provides.
Fig. 9 is the block diagram for the control device that the utility model preferred embodiment provides.
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
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
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, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to which explanation, term " first ", " second " etc. are only used for distinguishing description in description of the present utility model,
And it is not intended that instruction or hint relative importance.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " connection " should be interpreted broadly, can be communication connection or electrical connection；Can be joined directly together, can also lead to
Intermediary is crossed to be indirectly connected.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in utility model.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under
Feature in the embodiment and embodiment stated can be mutually combined.
The utility model provides a kind of bandwidth carrier communication test system 10.The bandwidth carrier communication test system 10 can
Realize the automatic test to carrier communication performance.Wherein, the automatic test to carrier communication performance can include, but
It is not limited to：Signal analysis test to carrier wave, the test to the anti-decay property of carrier wave, to the anti-impedance variations performance of carrier wave
Test, the test to the noise proof feature of carrier wave, the conformability to carrier wave complex environment factor are tested and received sensitive
Degree test etc..
Referring to Fig. 1, Fig. 1 is the square frame for the bandwidth carrier communication test system 10 that the utility model preferred embodiment provides
One of schematic diagram.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 communicates 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 receiving
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 be received and dispatched with described second and fill
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 the control device 100 is informed when sending or receiving the communication signaling.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, Fig. 2 is the square frame for the bandwidth carrier communication test system 10 that the utility model preferred embodiment provides
The two of schematic diagram.When the signal analysis for carrying out carrier wave is tested, the test equipment 200 includes being used for logical the system
The signal analyzer 210 that letter signal is recorded.
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 to be 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 the waveform of signal, frequency spectrum.The control device 100 receives described
Analysis test can be carried out to the signal of carrier wave, thus obtain the amplitude of carrier signal, cycle, power, frequency range 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, Fig. 3 is the square frame for the bandwidth carrier communication test system 10 that the utility model preferred embodiment provides
The three of schematic diagram.For the system when being tested for carrying out the anti-decay property of carrier wave, the test equipment 200 may also include use
In the attenuator for adjusting signal of communication attenuation degree between first R-T unit 300 and second R-T unit 400
220。
In the present embodiment, if need to only test the anti-decay property of carrier wave, the system is without described in 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 communicates to connect with the control device 100, institute
State two radio frequency interfaces of attenuator 220 also radio frequency interface and the second R-T unit with first R-T unit 300 respectively
400 radio frequency interface connection.The control device 100 is realized and carrier wave is resisted by adjusting the pad value of the attenuator 220
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 be the carrier wave it is maximum it is anti-ageing decrement (now, signal analyzer 210 measures
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
There is the unmatched problem of transmitting-receiving between bright first R-T unit 300 and second R-T unit 400.
In the present embodiment, the anti-ageing decrement of the maximum 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, Fig. 4 is the square frame for the bandwidth carrier communication test system 10 that the utility model preferred embodiment provides
The four of schematic diagram.In the anti-impedance variations performance test for carrying out carrier wave, the test equipment 200 also includes the system
For adjusting the numeral electricity of communication line load impedance between first R-T unit 300 and second R-T unit 400
Position device 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 connection of the radio frequency interface of mouth and the second R-T unit 400, wherein, the control device 100 is by adjusting the digital regulation resistance
230 impedance value, realize 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 the 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
Occurs the unmatched problem of transmitting-receiving 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, Fig. 5 is the square frame for the bandwidth carrier communication test system 10 that the utility model preferred embodiment provides
The five of schematic diagram.When being tested for carrying out the noise proof feature of carrier wave, the test equipment 200 also includes the system
For providing the signal generator 240 of experimental noise signal and for the different radiofrequency signal of two-way or multichannel to be synthesized into one
The combiner 250 of road signal.
In the present embodiment, two rf input interfaces of the combiner 250 signal with signal generator 240 respectively
The radio frequency interface of output interface and the first R-T unit 300 connects, 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 are 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 and described second
Different noises are injected to carrier communication circuit in the circuit of the progress carrier communication of transmitting apparatus 400, 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 needs
Judge that can second R-T unit 400 accurately receive and parse through out the instruction of the first R-T unit 300 transmission, with statistics
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, Fig. 6 is the square frame for the bandwidth carrier communication test system 10 that the utility model preferred embodiment provides
The six of schematic diagram.The system when the conformability to complex environment factor is tested, what above-mentioned test equipment 200 included
Signal analyzer 210, attenuator 220,250 equal access system of digital regulation resistance 230, signal generator 240 and combiner.It is described
Control device 100 can be controlled adjustment, institute to the attenuator 220, digital regulation resistance 230 and signal generator 240 simultaneously
The signal intensity situation in the record communication line of signal analyzer 210 is stated, the control device 100 obtains the signal intensity feelings
Condition and communication success rate are simultaneously analyzed, to realize that the conformability to complex environment factor is tested.
The utility model also provides a kind of R-T unit 500.Carried referring to Fig. 7, Fig. 7 is the utility model preferred embodiment
One of block diagram of R-T unit 500 of confession.
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 of the discharge switch and the electricity of the accumulation power supply 525
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 preferably uses rechargable power supplies, and the power control unit 515 is preferably adopted
With 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, when the accumulation power supply 525 is using rechargable power supplies, external charger can be used to described
Accumulation power supply 525 charges.
In addition, also can be direct current by the AC conversion that AC network provides, with the direct current after conversion
Charged for the accumulation power supply 525.
Referring to Fig. 8, Fig. 8 is the two of the block diagram for the R-T unit 500 that the utility model preferred embodiment provides.
The 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 converted to needed for work from the exchange input AC electricity of electrical interface 510
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 detects that power subsystem 520 has voltage output, it is first shut off discharging
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 abundance, 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 closes, 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
Can the parameter such as the voltage of power supply 525, electric current 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 that accumulation power supply 525 reaches maximum voltage value (5V), storage can determine that
The electricity of energy power supply 525 is full state.
Thus, R-T unit 500 provided by the utility model has energy-storage function, can be in the feelings of not incoming transport power network
Under condition carry out bandwidth carrier communication test, can isolated environment noise, avoid the influence of uncertain factor.The accumulation power supply 525
It can be that R-T unit 500 is powered, bandwidth carrier communication test can be achieved without being passed through alternating current, and work as incoming transport power network
When, 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 with 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 include 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 connects；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 connects.
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 bandwidth carrier communication test system 10 provided by the utility model, by the first R-T unit 300
Communication module interface on insert routing module, on the communication module interface of the second R-T unit 400 insert single-phase carrier mould
Block or Three Phase Carrier Based module, establish 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 establish 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
Exempted from AC network noise jamming and signal shorts (i.e. signal detours from AC network so that the attenuation of attenuator 220
Reduce or fail).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 specific implementation form 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, and 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
Indicate charging, electric discharge, pass/disconnected state of accumulation power supply 525, the break-make situation of AC power, the access feelings of external communication module
Condition, the 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 parsing and response of letter data, the execution of on-line communication instruction and feedback, and the instruction of 500 various working conditions of R-T unit
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, can be that different combination control is done in different application scenarios.
It is appreciated that the structure described in Fig. 7 or Fig. 8 is only to illustrate, R-T unit 500 may also include than institute in Fig. 7 or Fig. 8
Show more either less components or there is the configuration different from shown in Fig. 7 or Fig. 8.Each component shown in Fig. 7 or Fig. 8
Hardware, software or its combination can be used to realize.
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 present utility model can be used as the common transmitting-receiving dress in current techniques using incoming transport power network
Put and carry out narrowband carrier communication test.Or in the case of not strict to index requests such as experimental noise or shield effectivenesses, make
Bandwidth carrier communication test is carried out for common R-T unit incoming transport power network.
Referring to Fig. 9, Fig. 9 is the block diagram for the control device 100 that the utility model preferred embodiment provides.It is above-mentioned
The control device 100 that bandwidth carrier communication test system 10 includes can use the structure that Fig. 8 is provided.
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 connect, with
Processing is controlled to these units.
In the present embodiment, the CPU element 110 is used for the presentation of information to control device 100, input information identifies,
Communication between data storage and control device 100 and R-T unit 500 is controlled.The memory cell 120 is used for will
Caused necessary information and data are preserved in carrier communication test.The control device 100 is online logical by described second
Letter unit 130 is communicated with R-T unit 500, wherein, the second on-line communication unit 130 is communicatively coupled specific
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 structure described in Fig. 9 is only to illustrate, control device 100 may also include it is more more than shown in Fig. 9 or
Less component, or there is the configuration different from shown in Fig. 9.Each component shown in Fig. 9 can use hardware, software or its
Combination is realized.
In summary, the utility model provides a kind of bandwidth carrier communication test system and R-T unit.The system bag
Include：Control device, test equipment, the first R-T unit and the second R-T unit.First R-T unit is received with described second
Transmitting apparatus communicates to connect.The control device communicates to connect with first R-T unit and the second R-T unit respectively.It is described
Control device is connected with the test equipment, and the control device is by controlling the test equipment to work, to realize to first
The automatic test of carrier communication performance between R-T unit and 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 provides
R-T unit possess energy-storage function, bandwidth carrier communication test can be carried out in the case of not incoming transport power network, is avoided
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.
Bandwidth carrier communication test system provided by the utility model can realize the automatic test of carrier communication, especially
It is test to the anti-decay property of carrier wave and the test of anti-impedance variations performance, there is rigorous scientific, tight logic
Property and higher execution efficiency, the accuracy of bandwidth carrier communication test can be lifted.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
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 communicates to connect with second R-T unit；
The control device communicates to connect with first R-T unit and the second R-T unit respectively；
The control device and the test equipment communicate 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 include to the automatic test of bandwidth carrier communication performance pair
The signal analysis test of bandwidth carrier, the test equipment include being used for the signal analyzer for recording 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 to be 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 communicates 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 communicates 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；
Two rf input interfaces of combiner radio frequency output interface and the first R-T unit with signal generator respectively
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 communicates 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 include：Power control unit and the electricity of the energy storage 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 include 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 establishing the communication module
Signal between mouth and radio frequency interface transmits；
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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| CN201720848213.9U CN206908601U (en) | 2017-07-12 | 2017-07-12 | Bandwidth carrier communication test system and R-T unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720848213.9U CN206908601U (en) | 2017-07-12 | 2017-07-12 | Bandwidth carrier communication test system and R-T unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135038A (en) * | 2017-07-12 | 2017-09-05 | 武汉盛帆电子股份有限公司 | Bandwidth carrier communication test system and R-T unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107135038A (en) * | 2017-07-12 | 2017-09-05 | 武汉盛帆电子股份有限公司 | Bandwidth carrier communication test system and R-T unit |
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