CN107346994A - Bandwidth carrier automatization test system and relaying series method of testing - Google Patents
Bandwidth carrier automatization test system and relaying series method of testing Download PDFInfo
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- CN107346994A CN107346994A CN201710803519.7A CN201710803519A CN107346994A CN 107346994 A CN107346994 A CN 107346994A CN 201710803519 A CN201710803519 A CN 201710803519A CN 107346994 A CN107346994 A CN 107346994A
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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
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention provides a kind of bandwidth carrier automatization test system and relaying series method of testing.The system includes control device and multiple R-T units.The multiple R-T unit is connected by shielded cable.The control device communicates to connect with the multiple R-T unit respectively, wherein, the whether upper electricity of communication module that the control device is plugged in by control on R-T unit, and by controlling the pad value for the R-T unit for adjusting upper electricity to realize the automatic test to bandwidth carrier.Thus, the quantity of upper electric R-T unit can flexibly be controlled, to meet the needs of different test events, the test of the automatic test and maximum anti-ageing decrement to relaying series can be realized, simplifies measurement circuit, reduces artificial participation part, test process automation, testing efficiency are high.
Description
Technical field
The present invention relates to bandwidth carrier testing field, in particular to a kind of bandwidth carrier automatization test system and
Relay series method of testing.
Background technology
With the large-scale application of intelligent electric energy meter and acquisition terminal, and requirement day of the people for power supply quality
Benefit improves, the coverage rate of power information acquisition system also more and more higher, and bandwidth carrier test is that power information acquisition system is led to
Important step in letter detection.
In the prior art, different test event in being tested for bandwidth carrier is, it is necessary to use more set test devices to enter
Row test, the testing cost of input are higher.
Also, most of test events of bandwidth carrier excessively rely on artificial participation, it can not realize that continuous and automatic is surveyed
Examination, automaticity is not high, and testing efficiency is relatively low.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, the technical problems to be solved by the invention are to provide a kind of broadband and carried
Ripple automatization test system and relaying series method of testing, it can realize anti-ageing to the automatic test and maximum of relaying series
The test of decrement, simplifies measurement circuit, reduces artificial participation part, test process automation, testing efficiency height.
The present invention provides a kind of bandwidth carrier automatization test system, and the system includes control device and multiple transmitting-receiving dresses
Put；
The multiple R-T unit is connected by shielded cable；
The control device communicates to connect with the multiple R-T unit respectively, wherein, the control device passes through control
The whether upper electricity of communication module being plugged on R-T unit, and by controlling the pad value for the R-T unit for adjusting upper electricity to realize
To the automatic test of bandwidth carrier.
In present pre-ferred embodiments, the R-T unit includes main R-T unit and multiple from R-T unit, described
Communication module includes routing module and carrier module, wherein, the R-T unit for inserting routing module is main R-T unit, and inserting carries
The R-T unit of ripple module is from R-T unit.
In present pre-ferred embodiments, the R-T unit includes：Main control unit and signal attenuation unit；
The signal attenuation unit includes the different adjustable attenuation module of multiple pad values；
The main control unit is connected with the signal attenuation unit communication, and the main control unit is by controlling the signal to decline
Subtract the break-make of the adjustable attenuation module of differential declines value in unit, realize the control adjustment to pad value.
In present pre-ferred embodiments, each adjustable attenuation module includes：Attenuator circuit and for adjusting the decay
The controlling switch of connecting and disconnecting of the circuit, wherein, the pad value of attenuator circuit corresponding to each adjustable attenuation module is different, the master control list
Member changes the break-make of the attenuator circuit by adjusting the controlling switch, realizes the control adjustment to pad value.
In present pre-ferred embodiments, the R-T unit also includes：Communication module for inserting communication module connects
Mouthful, the communication module interface is connected with the main control unit and signal attenuation unit respectively；
The signal attenuation unit also includes controlling bus, the main control unit by control the controlling bus export or
Output control signal is not to adjust the break-make of multiple adjustable attenuation modules.
In present pre-ferred embodiments, the controlling switch of the adjustable attenuation module includes：Movable contact, normally-closed contact and
Normally opened contact, wherein：
The communication module interface is connected with the movable contact, the signal input part of the attenuator circuit with it is described it is normally closed touch
Point connection, the signal output part of the attenuator circuit are connected with the movable contact of the normally opened contact and next adjustable attenuation module；
When the controlling bus indicates that the controlling switch is failure to actuate or the controlling bus does not indicate, the control
Adjustable attenuation module corresponding to switch is in connected state, and now, the movable contact contacts with the normally-closed contact, the decay
Circuit access communications circuit；
When the controlling bus indicates the controlling switch action, corresponding to the controlling switch at adjustable attenuation module
In off-state, now, the movable contact disconnects the contact with the normally-closed contact, and the movable contact connects with the normally opened contact
Touch, the attenuator circuit not access communications circuit.
In present pre-ferred embodiments, the R-T unit also includes：First on-line communication unit and for be described
The power subsystem of R-T unit power supply；
The R-T unit is communicated to connect by the first on-line communication unit and the control device；
The main control unit of the R-T unit is connected with the first on-line communication unit, wherein, what the control device was sent
Control instruction is transferred to the main control unit by the first on-line communication unit, so that the main control unit refers to according to control
The break-make by controlling the adjustable attenuation module of differential declines value in the signal attenuation unit is made, realizes the control to pad value
Adjustment；
The main control unit is also connected with power subsystem, to control the power subsystem to work.
In present pre-ferred embodiments, the main control unit, power subsystem, the first on-line communication unit, communication module
Interface is arranged in a shielded box, and the signal attenuation unit is arranged in another shielded box, and the circuit of two shielded boxes passes through
Shielding line is connected, and each adjustable attenuation module of the signal attenuation unit is respectively arranged in independent radome.
The present invention also provides a kind of relaying series method of testing, and methods described is applied to the width in above-mentioned any one
The control device included with carrier wave automatization test system, methods described include：
Control is plugged in electricity on the routing module of main R-T unit, and control is plugged in carrier module of the target from R-T unit
Upper electricity, and control the not upper electricity of the remaining non-targeted carrier module from R-T unit；
According to maximum anti-ageing decrement respectively by the main R-T unit of access communications circuit and the signal attenuation from R-T unit
The pad value of unit is adjusted to default pad value；
Monitor the main R-T unit and the networking situation from R-T unit, and the detection relaying series when networking is completed；
Electricity on next carrier module from R-T unit is controlled, so that the carrier module quantity of access communications circuit adds 1,
To carry out the test of the relaying series of next round, wherein, it is described it is next from R-T unit be from receipts with upper electric carrier module
Transmitting apparatus be directly connected to from R-T unit.
In terms of existing technologies, the invention has the advantages that：
The present invention provides a kind of bandwidth carrier automatization test system and relaying series method of testing.The system includes control
Device processed and multiple R-T units.The multiple R-T unit is connected by shielded cable.The control device respectively with it is described
Multiple R-T unit communication connections, wherein, whether the control device is by controlling the communication module being plugged on R-T unit
Upper electricity, and by controlling the pad value for the R-T unit for adjusting upper electricity to realize the automatic test to bandwidth carrier.Thus, may be used
The quantity of upper electric R-T unit is flexibly controlled, to meet the needs of different test events, can be realized to Relay
The test of several automatic test and maximum anti-ageing decrements, simplifies measurement circuit, reduces artificial participation part, test process
Automation, testing efficiency are high.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be 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.
Fig. 1 is the block diagram of bandwidth carrier automatization test system provided by the invention.
Fig. 2 is the block diagram of R-T unit provided by the invention.
Fig. 3 is the block diagram of the signal attenuation unit 220 shown in Fig. 2 provided by the invention.
Fig. 4 is the block diagram of the adjustable attenuation module 222 shown in Fig. 3 provided by the invention.
Fig. 5 is the block diagram of control device provided by the invention.
Fig. 6 is the step flow chart of relaying series method of testing provided by the invention.
Icon：10- bandwidth carrier automatization 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 received and dispatched
Device；210- main control units；220- signal attenuation units；222- adjustable attenuation modules；2220- attenuator circuits；2222- controls are opened
Close；2224- movable contacts；2226- normally-closed contacts；2228- normally opened contacts；224- controlling bus；230- communication module interfaces；240-
First on-line communication unit；250- power subsystems.
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
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
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, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is necessary to which explanation is that term " first ", " second " etc. are only used for distinguishing description, and can not
It is interpreted as indicating or implying relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal.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.
First embodiment
The present invention provides a kind of bandwidth carrier automatization test system 10.Referring to Fig. 1, Fig. 1 is width provided by the invention
Block diagram with carrier wave automatization test system 10.The system includes control device 100 and multiple R-T units 200.
In the present embodiment, whether the control device 100 is by controlling the communication module being plugged on R-T unit 200
Upper electricity, and by controlling the pad value of the R-T unit 200 of electricity in adjustment communication module to realize to the automatic of bandwidth carrier
Change test.
In the present embodiment, the multiple R-T unit 200 is connected by shielded cable.Wherein, the multiple transmitting-receiving dress
Putting 200 quantity specifically set can be set (such as N number of) according to the actual requirements.The control device 100 respectively with it is described
Multiple R-T units 200 communicate to connect, wherein, the mode of communication includes：It is any one in the mode such as Ethernet, WIFI, RS485
Kind.
In the present embodiment, the R-T unit 200 includes a main R-T unit and multiple from R-T unit.It is described logical
Letter module includes routing module and carrier module, wherein, the R-T unit 200 for inserting routing module is main R-T unit, inserting
The R-T unit 200 of carrier module is from R-T unit.
In the present embodiment, the 1st R-T unit 200 inserting routing module being connected with the control device 100, as
The main R-T unit of bandwidth carrier automatization test system 10.Remaining N-1 R-T unit 200 inserts carrier module, as
Bandwidth carrier automatization test system 10 from R-T unit.
Referring to Fig. 2, Fig. 2 is the block diagram of R-T unit 200 provided by the invention.The R-T unit 200 wraps
Include：Main control unit 210 and signal attenuation unit 220.
In the present embodiment, main control unit 210 is the control centre of R-T unit 200, is mainly used in identification, analysis and Control
The control instruction that device 100 issues, and behaviour corresponding to all parts execution in control instruction control R-T unit 200
Make.
In the present embodiment, the main control unit 210 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.
Referring to Fig. 2, the R-T unit 200 also includes：First on-line communication unit 240 and for for the receipts
The power subsystem 250 that transmitting apparatus 200 is powered.The R-T unit 200 passes through the first on-line communication unit 240 and the control
Device 100 processed communicates to connect.
In the present embodiment, the main control unit 210 of the R-T unit 200 is connected with the first on-line communication unit 240.Institute
The control instruction for stating the transmission of control device 100 is transferred to the main control unit 210 by the first on-line communication unit 240,
So that the main control unit 210 controls the signal attenuation unit 220 to work according to control instruction.
In the present embodiment, the main control unit 210 is also connected with power subsystem 250, and the main control unit 210 controls institute
Power subsystem 250 is stated as all parts power supply in R-T unit 200.
Referring to Fig. 2, the R-T unit 200 also includes：For inserting the communication module interface of communication module
230, the communication module interface 230 is connected with the main control unit 210 and signal attenuation unit 220 respectively.
In the present embodiment, the R-T unit 200 passes through the communication module interface 230 and communication module communication link
Connect, by the way that the communication module is inserted on the communication module interface 230, with realize the R-T unit 200 with it is described
Communication between communication module.
In the present embodiment, the communication module interface 230 can be used for inserting routing module, single-phase carrier, Three Phase Carrier Based
Etc. communication module.
In the present embodiment, the communication module interface 230 includes：Light current interface, forceful electric power interface and power switch.It is described
Light current contact pin of the light current interface respectively with the main control unit 210 and communication module is connected.The forceful electric power interface is respectively with exchanging
Power supply, signal attenuation unit 220 and the connection of communication module forceful electric power contact pin.The power switch respectively with power subsystem 250, master control
Unit 210 and the connection of the power pin of communication module.Wherein, it is controllable to be plugged in by controlling the break-make of the power switch
The whether above electricity of communication module on the communication module interface 230.
It is appreciated that structure described in Fig. 2 is only to illustrate, R-T unit 200 may also include it is more more than shown in Fig. 2 or
Less component, or there is the configuration different from shown in Fig. 2.Each component shown in Fig. 2 can use hardware, software or its
Combination is realized.
The block diagram of Fig. 3 and Fig. 4, Fig. 3 for the signal attenuation unit 220 shown in Fig. 2 provided by the invention is referred to,
Fig. 4 is the block diagram of the adjustable attenuation module 222 shown in Fig. 3 provided by the invention.The signal attenuation unit 220 includes
The different adjustable attenuation module 222 of multiple pad values.
In the present embodiment, the main control unit 210 communicates to connect with the signal attenuation unit 220, the master control list
Member 210 is realized to declining by controlling the break-make of the adjustable attenuation module 222 of differential declines value in the signal attenuation unit 220
The control adjustment of depreciation.
In the present embodiment, each adjustable attenuation module 222 includes：Attenuator circuit 2220 and for adjust it is described decay electricity
The controlling switch 2222 of the break-make of road 2220.Wherein, the pad value of attenuator circuit 2220 corresponding to each adjustable attenuation module 222 is not
Together, the main control unit 210 changes the break-make of the attenuator circuit 2220, realization pair by adjusting the controlling switch 2222
The control adjustment of pad value.
In the present embodiment, the signal attenuation unit 220 also includes controlling bus 224, and the main control unit 210 passes through
Control the controlling bus 224 to export or output control signal to adjust the break-make of multiple adjustable attenuation modules 222, is not realized pair
The control adjustment of multiple pad values of adjustable attenuation module 222.
In the present embodiment, the controlling switch 2222 of the adjustable attenuation module 222 may be, but not limited to, Z-type relay
Device.The controlling switch 2222 includes：Movable contact 2224, normally-closed contact 2226 and normally opened contact 2228.
In the present embodiment, the main control unit 210 is by controlling the controlling switch 2222 of each adjustable attenuation module 222
Switching electricity changes the on off operating mode of the normally-closed contact 2226 of each controlling switch 2222 and normally opened contact 2228, with to decay
Value is controlled adjustment.
Referring to Fig. 4, the specific operation in each contact of controlling switch 2222 is illustrated below.
In the present embodiment, the communication module interface 230 is connected with the movable contact 2224, the attenuator circuit 2220
Signal input part be connected with the normally-closed contact 2226.The signal output part of the attenuator circuit 2220 and the normally opened contact
2228, and the movable contact 2224 of the next adjustable attenuation module 222 adjacent with this adjustable attenuation module 222 is connected.
In the present embodiment, when the controlling bus 224 indicates that the controlling switch 2222 is failure to actuate or the control is total
When line 224 does not indicate, adjustable attenuation module 222 is in connected state corresponding to the controlling switch 2222, now, described dynamic
Contact 2224 contacts with the normally-closed contact 2226, the access communications circuit of attenuator circuit 2220.
In the present embodiment, when the controlling bus 224 indicates that the controlling switch 2222 acts, the controlling switch
Adjustable attenuation module 222 is off corresponding to 2222, and now, the movable contact 2224 disconnects and the normally-closed contact
2226 contact, the movable contact 2224 contact with the normally opened contact 2228, the attenuator circuit 2220 not access communications line
Road.
Referring to Fig. 3 and Fig. 4, the quantity that the adjustable attenuation module 222 is set may be, but not limited to, 7.7
Individual adjustable attenuation module 222 is sequentially connected to the communication module interface 230 and next receipts according to the incremental order of pad value
Between transmitting apparatus 200.Wherein, the signal output part and normally opened contact of the attenuator circuit 2220 of the 7th adjustable attenuation module 222
2228 and next R-T unit 200 connect.
In the present embodiment, the pad value of 7 adjustable attenuation modules 222 be 1dB, 2dB, 4dB, 8dB, 16dB,
32dB and 64dB.Wherein, the pad value that the signal attenuation unit 220 is decayed to the broadband carrier signal of input is 7
The attenuation accumulated value of adjustable attenuation module 222.Thus, the control signal attenuation units 220 of main control unit 210 carry to broadband
The pad value adjusting range that ripple signal is decayed is：0~127dB.
In the present embodiment, the operation principle of the signal attenuation unit 220 is as follows：When the control of adjustable attenuation module 222
When level on the control line of system switch 2222 is not high, the attonity of controlling switch 2222, corresponding attenuator circuit 2220
By access communications circuit, broadband carrier signal is decayed.When the level on the control line of controlling switch 2222 is high, control
The movable contact 2224 of system switch 2222 disconnects the contact with normally-closed contact 2226, then is contacted with normally opened contact 2228, corresponding
The not access communications circuit of attenuator circuit 2220, to the undamped effect of broadband carrier signal.
In the present embodiment, the pad value of the signal attenuation unit 220 control corresponding with each controlling switch 2222
Level relationship on line is：
Wherein, A represents the pad value of whole signal attenuation unit 220, and i is adjustable attenuation in the signal attenuation unit 220
The numbering of the numbering of module 222, i.e. controlling switch 2222.S (i)=0 represents that the control line level of controlling switch 2222 is height；S
(i)=1 represent, the control line level of controlling switch 2222 is not height.
In the present embodiment, the main control unit 210, power subsystem 250, the first on-line communication unit 240, communication module
Interface 230 is arranged in a shielded box, and the signal attenuation unit 220 is arranged in another shielded box, the electricity of two shielded boxes
Road is connected by shielding line, and each adjustable attenuation module 222 of the signal attenuation unit 220 is respectively arranged at independent shielding
In cover.
In the present embodiment, the dotted line frame in the dotted line frame expression shielded box in Fig. 2, Fig. 3 and Fig. 4 represents radome.
In the present embodiment, by setting shielded box or radome, first, the interference of external noise can be reduced；Secondly, can
Avoid broadband carrier signal from crossing over adjustable attenuation module 222 because of space radiation, cause decay inaccurate.
Referring to Fig. 5, Fig. 5 is the block diagram of control device 100 provided by the invention.Above-mentioned bandwidth carrier automation
The control device 100 that test system 10 includes can use the structure that Fig. 5 is provided.
In the present embodiment, the control device 100 may be, but not limited to,：Computer, PC, portable computer, industry control
Machine etc..
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 200 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 200, 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 240.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 automatization test system
10 parameter, information and the equipment into system assigns control instruction.The output unit 170 is used for test data and note
Record export control device 100.
It is appreciated that structure described in Fig. 5 is only to illustrate, control device 100 may also include it is more more than shown in Fig. 5 or
Less component, or there is the configuration different from shown in Fig. 5.Each component shown in Fig. 5 can use hardware, software or its
Combination is realized.
Second embodiment
The present invention also provides a kind of relaying series method of testing, is surveyed when methods described is applied to the automation of above-mentioned bandwidth carrier
The control device 100 that test system 10 includes.
Referring to Fig. 6, Fig. 6 is the step flow chart of present invention relaying series method of testing.Below to relaying series test
The idiographic flow of method is described in detail.
Step S110, control are plugged in electricity on the routing module of main R-T unit, and control is plugged in target from R-T unit
Carrier module on electricity, and control the not upper electricity of the remaining non-targeted carrier module from R-T unit.
In the present embodiment, the target is to be currently needed for carrier module access communications circuit carrying out work from R-T unit
Make from R-T unit, it is described it is non-targeted from R-T unit for currently carrier module access communications circuit need not be operated
From R-T unit.For example, bandwidth carrier automatization test system 10 sets N number of R-T unit 200, including a main transmitting-receiving dress
Put and N-1 is individual from R-T unit.If the quantity for being currently needed for the communication module that access communications circuit is tested is arranged to 2,
The R-T unit 200 of communication module access communications line work only fills comprising 1 main R-T unit and 1 from transmitting-receiving i.e. in system
Put.Then the main R-T unit (i.e. the 1st R-T unit 200) of the control of the control device 100 inserting routing module gives route mould
Electric on block, the target of control inserting carrier module to electricity on carrier module, is controlled from R-T unit (i.e. the 2nd R-T unit 200)
The power switch made in the 3rd to the communication module interface 230 of n-th R-T unit 200 disconnects.It is electric from transmitting-receiving on the needs
Device (i.e. the 2nd R-T unit 200) be target from R-T unit, residue does not need electric N-2 from R-T unit (i.e. the
3 to n-th R-T unit 200) to be non-targeted from R-T unit.
Step S120, according to maximum anti-ageing decrement respectively by the main R-T unit of access communications circuit and from R-T unit
The pad value of signal attenuation unit 220 is adjusted to default pad value.
In the present embodiment, the control device 100 fills by the main R-T unit of access communications circuit and from transmitting-receiving respectively
The pad value for the signal attenuation unit 220 put is adjusted to default pad value (such as M), wherein, L/2 ＜ M ＜ L, L are maximum anti-
Attenuation, L can be tested to obtain according to antidamping, also can carry out input setting according to demand by operator.
In the present embodiment, the quantity of the R-T unit 200 of upper electricity in Fig. 1 is arranged to 2, i.e. access communications linemen's
Make only comprising 1 main R-T unit and 1 from R-T unit.The bandwidth carrier automatization test system 10 can be to bandwidth carrier
Carry out antidamping test, obtain maximum anti-ageing decrement L.
Step S130, the main R-T unit and the networking situation from R-T unit are monitored, and detected when networking is completed
Relay series.
In the present embodiment, the control device 100 monitors the main R-T unit and the networking situation from R-T unit,
Networking can be generally completed in 5 minutes.The control device 100 detects current relaying series when networking is completed.
Step S140, electricity on next carrier module from R-T unit is controlled, so that the carrier wave mould of access communications circuit
Number of blocks adds 1, to carry out the test of the relaying series of next round.
In the present embodiment, it is described it is next from R-T unit for can be direct from R-T unit with upper electric carrier module
Connection from R-T unit.For example, in system as shown in Figure 1, the R-T unit 200 of communication line work is currently accessed
Quantity is：N=3, i.e. the 1st is main R-T unit, the 2nd, the 3rd be from R-T unit, then it is next to be from R-T unit
The 4th R-T unit 200 being directly connected to the 3rd R-T unit 200, that is, carry out the relaying series test of next round
The quantity of R-T unit 200 is：N=4.
Referring to Fig. 6, methods described also includes：Step S150, when detecting that relaying series no longer increases or newly
Access from the carrier module on R-T unit can not be linked into communication line when, detection obtains maximum relaying series.
In the present embodiment, when the control device 100 detect relaying series no longer increase or newly access from receipts
When carrier module on transmitting apparatus can not be linked into communication line, the control device 100 detects obtained relaying series and is
The limiting value of maximum relaying series, i.e. the bandwidth carrier relay capabilities.For example, the control device 100 detects this test
Relaying series be 3 (i.e. N=3), when carrying out next round test (during N=4), the control device 100 detects the 4th
It can not be linked into from the carrier module on R-T unit in communication line, thus, the control device 100 can obtain broadband load
The maximum relaying series of ripple is 3.
In summary, the present invention provides a kind of bandwidth carrier automatization test system and relaying series method of testing.It is described
System includes control device and multiple R-T units.The multiple R-T unit is connected by shielded cable.The control device
Communicated to connect respectively with the multiple R-T unit, wherein, the control device is plugged in logical on R-T unit by control
Believe the whether upper electricity of module, and by controlling the pad value for the R-T unit for adjusting upper electricity to realize that the automation to bandwidth carrier is surveyed
Examination.
Thus, the quantity of upper electric R-T unit can flexibly be controlled, to meet the needs of different test events, energy
The test of enough automatic tests realized to relaying series and maximum anti-ageing decrement, simplifies measurement circuit, reduces artificial ginseng
It is high with part, test process automation, testing efficiency.
The preferred embodiments of the present invention are the foregoing is only, for those skilled in the art, the present invention can
To there is various modifications and variations.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc.,
It should be included in the scope of the protection.
Claims (10)
1. a kind of bandwidth carrier automatization test system, it is characterised in that the system includes control device and multiple transmitting-receiving dresses
Put；
The multiple R-T unit is connected by shielded cable；
The control device communicates to connect with the multiple R-T unit respectively, wherein, the control device is inserted by controlling
In the whether upper electricity of the communication module on R-T unit, and by controlling the pad value for the R-T unit for adjusting upper electricity to realize to width
Automatic test with carrier wave.
2. system according to claim 1, it is characterised in that the R-T unit includes main R-T unit and multiple from receipts
Transmitting apparatus, the communication module include routing module and carrier module, wherein, received and dispatched based on the R-T unit for inserting routing module
Device, the R-T unit for inserting carrier module are from R-T unit.
3. system according to claim 1 or 2, it is characterised in that the R-T unit includes：Main control unit and signal decline
Subtract unit；
The signal attenuation unit includes the different adjustable attenuation module of multiple pad values；
The main control unit is connected with the signal attenuation unit communication, and the main control unit is by controlling the signal attenuation list
The break-make of the adjustable attenuation module of differential declines value in member, realize the control adjustment to pad value.
4. system according to claim 3, it is characterised in that each adjustable attenuation module includes：Attenuator circuit and it is used for
The controlling switch of the attenuator circuit break-make is adjusted, wherein, the pad value of attenuator circuit corresponding to each adjustable attenuation module is not
Together, the main control unit changes the break-make of the attenuator circuit by adjusting the controlling switch, realizes the control to pad value
System adjustment.
5. system according to claim 4, it is characterised in that the R-T unit also includes：For inserting communication module
Communication module interface, the communication module interface is connected with the main control unit and signal attenuation unit respectively；
The signal attenuation unit also includes controlling bus, and the main control unit is by controlling the controlling bus output or not defeated
Go out control signal to adjust the break-make of multiple adjustable attenuation modules.
6. system according to claim 5, it is characterised in that the controlling switch of the adjustable attenuation module includes：It is dynamic to touch
Point, normally-closed contact and normally opened contact, wherein：
The communication module interface is connected with the movable contact, and the signal input part of the attenuator circuit connects with the normally-closed contact
Connect, the signal output part of the attenuator circuit is connected with the movable contact of the normally opened contact and next adjustable attenuation module；
When the controlling bus indicates that the controlling switch is failure to actuate or the controlling bus does not indicate, the controlling switch
Corresponding adjustable attenuation module is in connected state, and now, the movable contact contacts with the normally-closed contact, the attenuator circuit
Access communications circuit；
When the controlling bus indicates the controlling switch action, adjustable attenuation module corresponding to the controlling switch is in disconnected
Open state, now, the movable contact disconnect the contact with the normally-closed contact, and the movable contact contacts with the normally opened contact,
The attenuator circuit not access communications circuit.
7. system according to claim 5, it is characterised in that the R-T unit also includes：First on-line communication unit
And the power subsystem for being powered for the R-T unit；
The R-T unit is communicated to connect by the first on-line communication unit and the control device；
The main control unit of the R-T unit is connected with the first on-line communication unit, wherein, the control that the control device is sent
Instruction is transferred to the main control unit by the first on-line communication unit, so that the main control unit leads to according to control instruction
The break-make for controlling the adjustable attenuation module of differential declines value in the signal attenuation unit is crossed, realizes that the control to pad value is adjusted
It is whole；
The main control unit is also connected with power subsystem, to control the power subsystem to work.
8. system according to claim 7, it is characterised in that the main control unit, power subsystem, the first on-line communication list
Member, communication module interface are arranged in a shielded box, and the signal attenuation unit is arranged in another shielded box, two shielded boxes
Circuit connected by shielding line, each adjustable attenuation module of the signal attenuation unit is respectively arranged at independent radome
It is interior.
9. one kind relaying series method of testing, it is characterised in that methods described is applied to the institute in claim 1-8 any one
The control device that bandwidth carrier automatization test system includes is stated, methods described includes：
Control is plugged in electricity on the routing module of main R-T unit, and control is plugged in target from the carrier module of R-T unit
Electricity, and control the not upper electricity of the remaining non-targeted carrier module from R-T unit；
According to maximum anti-ageing decrement respectively by the main R-T unit of access communications circuit and the signal attenuation unit from R-T unit
Pad value be adjusted to default pad value；
Monitor the main R-T unit and the networking situation from R-T unit, and the detection relaying series when networking is completed；
Electricity on next carrier module from R-T unit is controlled, so that the carrier module quantity of access communications circuit adds 1, to enter
The relaying series test of row next round, wherein, it is described it is next from R-T unit be to be filled with upper electric carrier module from transmitting-receiving
Put be directly connected to from R-T unit.
10. according to the method for claim 9, it is characterised in that methods described also includes：
When detecting that relaying series no longer increases or that newly accesses can not be linked into communication from the carrier module on R-T unit
When in circuit, detection obtains maximum relaying series.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710803519.7A CN107346994B (en) | 2017-09-08 | 2017-09-08 | Broadband carrier automatic test system and relay level number test method |
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| CN201710803519.7A CN107346994B (en) | 2017-09-08 | 2017-09-08 | Broadband carrier automatic test system and relay level number test method |
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| CN107346994B CN107346994B (en) | 2023-09-08 |
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| CN110324067A (en) * | 2019-07-31 | 2019-10-11 | 海南电网有限责任公司 | A kind of power line communication fault detection circuit and detection device |
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| CN107346994B (en) | 2023-09-08 |
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