CN107767656A - A kind of electric energy meter carrier communication detection method for automatic detection streamline - Google Patents
A kind of electric energy meter carrier communication detection method for automatic detection streamline Download PDFInfo
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- CN107767656A CN107767656A CN201710974307.5A CN201710974307A CN107767656A CN 107767656 A CN107767656 A CN 107767656A CN 201710974307 A CN201710974307 A CN 201710974307A CN 107767656 A CN107767656 A CN 107767656A
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- 238000004891 communication Methods 0.000 title claims abstract description 54
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000011990 functional testing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 238000012795 verification Methods 0.000 claims description 4
- 230000005428 wave function Effects 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
- H04B3/48—Testing attenuation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The present invention relates to a kind of electric energy meter carrier communication detection method for automatic calibration streamline, can be under conditions of the detection of whole table, realize the new test that can decay of communication, situations such as electronic component whether there is even weldering, solder skip, device failure in carrier module, the product reliability of effective guarantee module in itself can more be found.The present invention does not have larger change to existing calibrating installation, can be completed under conditions of without electromagnetic shielding box, and the meter of compatible detection narrowband carrier module and bandwidth carrier module.The present invention does not have larger change to existing calibrating installation, can be completed under conditions of without electromagnetic shielding box, and the meter of compatible detection narrowband carrier module and bandwidth carrier module.
Description
Technical field
The invention belongs in electrical measurement, Electric Energy Metering Technology field, especially a kind of electricity for automatic detection streamline
Can table carrier communication detection method.
Background technology
At present, voltage power-line carrier communication technology, including bandwidth carrier and narrowband carrier communication, are electric energy meter communication parties
The development trend of formula.However, be directed to carrier communication context of detection, existing Intelligent electric energy meter automation detecting streamline is often only
Consider carrier communication module whether can success communication, it is less to its physical layer communication performance test.
For situations such as electronic component whether there is even weldering, solder skip, device failure in carrier module more accurately found, effectively protect
The product reliability of barrier module in itself, spy propose a kind of carrier module communication performance attenuation test item destination party for the detection of whole table
Method.
The content of the invention
It is an object of the invention in place of overcome the deficiencies in the prior art, there is provided a kind of for automatic detection streamline
Electric energy meter carrier communication detection method, by the setting and use of attenuator, attenuator in communication channel is adjusted to AdB, surveyed
Main equipment (copy controller) attenuated inside BdB is tried, realization is not related to other hardware modifications and realizes and test out carrier module communicativeness
The purpose of energy attenuation test.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of electric energy meter carrier communication detection method for automatic detection streamline, it is characterised in that：Realize electric energy
The main carrier meter reading working cell of table carrier communication detection method by meter reading control software, carrier wave copy controller equipment, containing carrier wave
Three parts of checklist of function form；
The control that control software is responsible for meter reading workflow is copied, is integrated in electric energy meter automatic Verification station software, it is soft to copy control
Part control copies control equipment and realizes carrier wave copy reading checklist data, and by existing RS485 order circuits on former calibrating installation, uses
The data of RS485 copy readings are compared with the same data of carrier wave copy reading, judge whether the function of carrier wave copy reading is normal according to this；
Copy control equipment to be made up of analog carrier module or carrier wave copy controller, the meter reading instruction that sends of control software will be copied and be converted into
Low-voltage power carrier signal, carrier wave copy reading is carried out to electric energy meter；
After checklist receives copy reading instruction, automatic-answering back device feedback, electric energy meter data reading system functional test is completed.
Moreover, it is different according to checklist carrier type, select narrowband carrier pattern or bandwidth carrier pattern.
Moreover, the upper electricity of checklist interruption, point-to-point detection.
Moreover, the basic carrier wave meter reading test system of electric energy meter carrier communication detection method, including copy control software, communication
Server, channel control module, the checklist for copying control equipment and the function containing carrier wave,
Control software connecting communication server is copied, communication server connects multiple control equipment of copying and establishes communication contact respectively, together
When communication server interface channel control module, each carrier channel is mounted on channel switch, and channel control module passes through control
Channel switch processed selects carrier channel, and multiple control equipment of copying connect multiple checklists by voltage circuit respectively；
After selected carrier channel connection, the carrier module being attached thereto accesses voltage circuit, copies control software, communication garment
Business device, copy control equipment and checklist connection；Copy control software receive carrier wave copy control equipment copy control response after, pass through it
His 485 order circuits and checklist Direct Communication, verify whether the data of carrier wave copy reading are correct, be finally completed checklist carrier wave
Functional test judges.
Moreover, channel control module copies control equipment for each carrier wave provides each independent passage, or make a variety of carrier waves
Copy control equipment and share one group of passage controlling switch.
Moreover, channel control module plate can control six road carrier channels.
The advantages and positive effects of the present invention are：
1st, the inventive method does not have larger change to existing calibrating installation, can be complete under conditions of without electromagnetic shielding box
Into, and the meter of compatible detection narrowband carrier module and bandwidth carrier module.
2nd, the present invention can realize the new test that can decay of communication, can more find carrier module under conditions of the detection of whole table
Interior electronic component whether there is situations such as even weldering, solder skip, device failure, the product reliability of effective guarantee module in itself.
Brief description of the drawings
Fig. 1 is the inventive method flow chart；
Fig. 2 is the system structure diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and the invention will be further described by specific embodiment, and following examples are descriptive
, it is not limited, it is impossible to which protection scope of the present invention is limited with this.
A kind of electric energy meter carrier communication detection method for automatic detection streamline, it is automatic in original intelligent electric energy meter
On the basis of changing streamline calibrating scheme, optimize the communication performance test of carrier communication module, comprise the following steps：
1) test main equipment and send test pattern frame, module to be measured enters test pattern；
2) test main equipment and send test meter reading message, module to be measured fetches data from ammeter, sends response message to PLC
Channel；
3) main equipment is tested to be judged whether correctly, to return result to calibrating storehouse PC according to the data frame received.
If necessary, every upper electricity of module interruption, point-to-point detection, effectively avoids taiwan area cross-interference issue.
It is shown in Figure 1 in order to realize the functional test to carrier electric energy meter carrier communication, the detection of electric energy meter carrier communication
The basic main carrier meter reading working cell of method by meter reading control software, carrier wave copy controller equipment, the function containing carrier wave quilt
Three parts of table are examined to form；
The control that control software is responsible for meter reading workflow is copied, is typically integrated in electric energy meter automatic Verification station software, copies
Control software except it is responsible control copy control equipment realize carrier wave copy reading checklist data in addition to, will also be by existing on former calibrating installation
RS485 order circuits, it is compared with the data of RS485 copy readings with the same data of carrier wave copy reading, judges carrier wave copy reading according to this
Function it is whether normal；
Copy control equipment to be made up of analog carrier module or carrier wave copy controller, the meter reading instruction that sends of control software will be copied and be converted into
Low-voltage power carrier signal, carrier wave copy reading is carried out to electric energy meter, it is different according to checklist carrier type, can be narrowband carrier mould
Formula can also be bandwidth carrier pattern；
After checklist receives copy reading instruction, automatic-answering back device feedback, electric energy meter data reading system functional test is completed.
System schema forms
In order to meet the functional test experiment to all kinds of carrier modules, it is necessary to build carrier wave meter reading test system, system
It must is fulfilled for following functions requirement：
1st, it can simulate and establish low pressure carrier wave communication network.
2nd, the carrier module type of compatible variant producer.
3rd, to prevent influence of the carrier signal to device calibration accuracy, during non-carrier test, carrier module must be with
Verification test loop disconnects, and keeps isolation.
Referring in conceptual scheme 2,
The carrier wave meter reading test system of electric energy meter carrier communication detection method, including copy control software, communication server, passage
Control module, the checklist for copying control equipment and the function containing carrier wave,
Control software connecting communication server is copied, communication server connects multiple control equipment of copying and establishes communication contact respectively, together
When communication server interface channel control module, each carrier channel is mounted on channel switch, and channel control module passes through control
Channel switch processed selects carrier channel；Multiple control equipment of copying connect multiple checklists by voltage circuit respectively,
After selected carrier channel connection, the carrier module being attached thereto accesses voltage circuit, copies control software, communication garment
Business device, copy control equipment and checklist connection；
Channel control module, control equipment can be copied for each carrier wave each independent passage is provided, can also made a variety of
Carrier wave copy control equipment share one group of passage controlling switch, but no matter any mode, must ensure during non-carrier test
All carrier waves copy control equipment and calibrating installation voltage circuit all be open circuit, ensure with electrical energy meter electricity energy error testing system every
From.
Channel control module plate can control six road carrier channels, when channel switch number is unsatisfactory for wanting for carrier module species
When asking, the quantity of channel control module plate can be increased, the needs of carrier module species are tested with extension.
Copy control software receive carrier wave copy control equipment copy control response after, by other 485 order circuits with it is tested
Table Direct Communication, verify whether the data of carrier wave copy reading are correct, be finally completed checklist carrier wave functional test judgement.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not departing from the present invention and spirit and scope of the appended claims in, it is various replace, change and modifications all be it is possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (6)
- A kind of 1. electric energy meter carrier communication detection method for automatic detection streamline, it is characterised in that：Realize electric energy meter The main carrier meter reading working cell of carrier communication detection method is by meter reading control software, carrier wave copy controller equipment, work(containing carrier wave Three parts of checklist of energy form；The control that control software is responsible for meter reading workflow is copied, is integrated in electric energy meter automatic Verification station software, copies control software control System copies control equipment and realizes carrier wave copy reading checklist data, and by existing RS485 order circuits on former calibrating installation, uses The data of RS485 copy readings are compared with the same data of carrier wave copy reading, judge whether the function of carrier wave copy reading is normal according to this；Copy control equipment to be made up of analog carrier module or carrier wave copy controller, the meter reading instruction that sends of control software will be copied and be converted into low pressure Power carrier signal, carrier wave copy reading is carried out to electric energy meter；After checklist receives copy reading instruction, automatic-answering back device feedback, electric energy meter data reading system functional test is completed.
- 2. the electric energy meter carrier communication detection method according to claim 1 for automatic detection streamline, its feature It is：It is different according to checklist carrier type, select narrowband carrier pattern or bandwidth carrier pattern.
- 3. the electric energy meter carrier communication detection method according to claim 1 for automatic detection streamline, its feature It is：The upper electricity of checklist interruption, point-to-point detection.
- 4. the electric energy meter carrier communication detection method according to claim 1 for automatic detection streamline, its feature It is：The basic carrier wave meter reading test system of electric energy meter carrier communication detection method, including copy control software, communication server, Channel control module, the checklist for copying control equipment and the function containing carrier wave,Control software connecting communication server is copied, communication server connects multiple control equipment of copying and establish communication contact, leads to simultaneously respectively Inquiry server interface channel control module, each carrier channel are mounted on channel switch, and channel control module is logical by controlling Road switch selection carrier channel, multiple control equipment of copying connect multiple checklists by voltage circuit respectively；After selected carrier channel connection, the carrier module being attached thereto accesses voltage circuit, copies control software, Communications service Device, copy control equipment and checklist connection；Copy control software receive carrier wave copy control equipment copy control response after, pass through other 485 order circuits and checklist Direct Communication, verify whether the data of carrier wave copy reading are correct, be finally completed checklist carrier wave function Test judges.
- 5. the electric energy meter carrier communication detection method according to claim 4 for automatic detection streamline, its feature It is：Channel control module copies control equipment for each carrier wave and provides each independent passage, or a variety of carrier waves is copied control equipment Share one group of passage controlling switch.
- 6. the electric energy meter carrier communication detection method according to claim 4 for automatic detection streamline, its feature It is：Channel control module plate can control six road carrier channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974307.5A CN107767656A (en) | 2017-10-19 | 2017-10-19 | A kind of electric energy meter carrier communication detection method for automatic detection streamline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710974307.5A CN107767656A (en) | 2017-10-19 | 2017-10-19 | A kind of electric energy meter carrier communication detection method for automatic detection streamline |
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| CN107767656A true CN107767656A (en) | 2018-03-06 |
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| CN201710974307.5A Withdrawn CN107767656A (en) | 2017-10-19 | 2017-10-19 | A kind of electric energy meter carrier communication detection method for automatic detection streamline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890647A (en) * | 2021-09-09 | 2022-01-04 | 国网上海市电力公司 | Communication detection method and system for anti-theft data of electric energy meter |
-
2017
- 2017-10-19 CN CN201710974307.5A patent/CN107767656A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890647A (en) * | 2021-09-09 | 2022-01-04 | 国网上海市电力公司 | Communication detection method and system for anti-theft data of electric energy meter |
| CN113890647B (en) * | 2021-09-09 | 2024-02-06 | 国网上海市电力公司 | Communication detection method and system for anti-theft data of electric energy meter |
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Application publication date: 20180306 |