CN109302244A - A low-voltage power line carrier communication unit communication capability detection method and system - Google Patents
A low-voltage power line carrier communication unit communication capability detection method and system Download PDFInfo
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- CN109302244A CN109302244A CN201811234030.3A CN201811234030A CN109302244A CN 109302244 A CN109302244 A CN 109302244A CN 201811234030 A CN201811234030 A CN 201811234030A CN 109302244 A CN109302244 A CN 109302244A
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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
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The present invention relates to a kind of low-voltage powerline carrier communication unit communication ability detection method and systems, include: test host, with measurement equipment, equipment under test, test host by USB line, cable, RS485 line, RS232 line be separately connected equipment under test, noise playback equipment, variable attenuation network program-controlled attenuation controller and realized with measurement equipment data or progress relevant control read to test equipment.A complete detection platform is used as in entire Design of Test System of the invention, impedance, the noise circumstance of power line channel can not only be simulated, programmable attenuator can also be passed through, the communication capacity of quantitative analysis carrier communication module, and test result can be automatically recorded, output test result automatically after test, has many advantages, such as full-automatic, versatility.
Description
Technical field
The invention belongs to electric-power metering field, especially a kind of low-voltage powerline carrier communication unit communication ability detection side
Method and system.
Background technique
Power line carrier communication in practical application, often occurs communicating unstable, the bad analytical judgment in fault point at the scene,
Such case gives live use to bring immense pressure.Traditional detection mode can only detect whether communication succeeds, and can data
Normal interaction, the analysis that can not be carried out to communication quality qualitatively and quantitatively is verified, and cannot simulate true power line environment
It is tested, the unified detection platform of complete set is not able to detect carrier communication ability, cannot achieve communication module
Communication performance detection.
Summary of the invention
The present invention is to solve above-mentioned deficiency, it is therefore intended that designs a kind of detection side for testing carrier communication unit communication ability
Method and system, can not only qualitative, quantitative judgment module communication capacity, additionally it is possible to simulate true power line on-scene communication
Environment.It is used as a complete detection platform in entire Design of Test System, is mainly achieved through the following technical solutions above-mentioned mesh
:
A kind of low-voltage powerline carrier communication unit communication energy force detection system, comprising: test host matches measurement equipment, quilt
Measurement equipment, test host by USB line, cable, RS485 line, RS232 line be separately connected equipment under test, noise playback equipment, can
Become the program-controlled attenuation controller of attenuation network and realized with measurement equipment and data are read to test equipment or carry out relevant control.
Moreover, described pass through an isolator respectively and connect with single-phase purification AC voltage regulator with measurement equipment and equipment under test,
Noise playback equipment connects variable attenuation network by coupler, with passing through carrier channel between measurement equipment and variable attenuation network
It establishes connection, on noise playback equipment and is connected to variable load.
Moreover, the detection system further include noise source, power source, impedance stable network, virtual ammeter, test equipment,
Test accessories and test stage body.
Moreover, the step of detection method of the low-voltage powerline carrier communication unit communication energy force detection system, is:
(1) noise playback equipment plays the noise of live platform area acquisition into test power line channel；
(2) the channel impedance of impedance simulation equipment simulating scene actual test；
(3) the pad value for adjusting programmable attenuator, is recorded in the sensitivity of module to be measured under different noises and impedance environment,
Judge value as carrier module communication capacity；
(4) relay queue is controlled by test software and compatible full type broadband and narrowband mould are realized in RS232 interface queue
The test of block.
The beneficial effects of the present invention are:
It is used as a complete detection platform in entire Design of Test System of the invention, power line letter can not only be simulated
The impedance in road, noise circumstance, additionally it is possible to by programmable attenuator, the communication capacity of quantitative analysis carrier communication module, and energy
Test result is automatically recorded, is outputed test result automatically after test, has many advantages, such as full-automatic, versatility.
Detailed description of the invention
Fig. 1 is schematic block circuit diagram of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawing and by specific embodiment, and following embodiment is descriptive
, it is not restrictive, this does not limit the scope of protection of the present invention.
A kind of low-voltage powerline carrier communication unit communication energy force detection system, comprising: test host (is copied with measurement equipment
Control device), equipment under test (communication module), USB line, cable, RS485 line, RS232 line, see Fig. 1, test host by USB line,
Cable, RS485 line, RS232 line are separately connected the journey of equipment under test (communication module), noise playback equipment, variable attenuation network
It controls attenuation controller and is realized with measurement equipment (copy controller) and data are read to test equipment or carry out relevant control.
Pass through an isolator respectively with measurement equipment and equipment under test to connect with single-phase purification AC voltage regulator, noise broadcasting is set
It is standby by coupler connection variable attenuation network, with establishing connection by carrier channel between measurement equipment and variable attenuation network,
On noise playback equipment and it is connected to variable load.
Detection system further include noise source, power source, impedance stable network, virtual ammeter, test equipment, test accessories and
Test stage body.
Test host is mounted with that test software, test software include following functions module:
Noise plays software model, programmable attenuator software model, programmable impedance software model, communication
Test software module, test result analysis processing software module and test result report output software module.
The step of detection method of low-voltage powerline carrier communication unit communication energy force detection system, is:
(1) noise playback equipment plays the noise of live platform area acquisition into test power line channel；
(2) the channel impedance of impedance simulation equipment simulating scene actual test；
(3) the pad value for adjusting programmable attenuator, is recorded in the sensitivity of module to be measured under different noises and impedance environment,
Judge value as carrier module communication capacity；
(4) relay queue is controlled by test software and compatible full type broadband and narrowband mould are realized in RS232 interface queue
The test of block.
After the module position of module insertion stage body to be measured, Virtual table equipment detects that module is inserted into, and passes through network UDP order
Notice host computer starts to detect.PC control copy controller issues meter reading order first, continues copy reading Virtual table electricity by carrier wave
Amount records present communications success rate.PC control noise playback equipment play console area noise, control programmable impedance are set as platform
The impedance value of area's test.
Host computer adjusts the pad value of programmable attenuator, while recording carrier communication success rate, re-adjustments attenuator
Pad value records sensitivity of the pad value as carrier communication under current environment at this time when communicating success rate lower than 50%.
Although disclosing the embodiment of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be managed
Solution: do not departing from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible,
Therefore, the scope of the present invention is not limited to the embodiment and attached drawing disclosure of that.
Claims (4)
1. a kind of low-voltage powerline carrier communication unit communication energy force detection system, it is characterised in that: including test host, with survey
Equipment, equipment under test, test host is separately connected equipment under test by USB line, cable, RS485 line, RS232 line, noise plays
Equipment, variable attenuation network program-controlled attenuation controller and realized with measurement equipment data read to test equipment or are carried out related
Control.
2. low-voltage powerline carrier communication unit communication energy force detection system according to claim 1, it is characterised in that: institute
It states and passes through an isolator respectively with measurement equipment and equipment under test and connect with single-phase purification AC voltage regulator, noise playback equipment passes through
Coupler connects variable attenuation network, and with connection is established by carrier channel between measurement equipment and variable attenuation network, noise is broadcast
It puts in equipment and is connected to variable load.
3. low-voltage powerline carrier communication unit communication energy force detection system according to claim 2, it is characterised in that: institute
Stating detection system further includes noise source, power source, impedance stable network, virtual ammeter, test equipment, test accessories and testboard
Body.
4. low-voltage powerline carrier communication unit communication energy force detection system according to claim 3, it is characterised in that: institute
The step of stating the detection method of low-voltage powerline carrier communication unit communication energy force detection system is:
(1) noise playback equipment plays the noise of live platform area acquisition into test power line channel；
(2) the channel impedance of impedance simulation equipment simulating scene actual test；
(3) the pad value for adjusting programmable attenuator, is recorded in the sensitivity of module to be measured under different noises and impedance environment, as
The judge value of carrier module communication capacity；
(4) relay queue and RS232 interface queue are controlled by test software and realize compatible full type broadband and narrowband module
Test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811234030.3A CN109302244A (en) | 2018-10-23 | 2018-10-23 | A low-voltage power line carrier communication unit communication capability detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811234030.3A CN109302244A (en) | 2018-10-23 | 2018-10-23 | A low-voltage power line carrier communication unit communication capability detection method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109302244A true CN109302244A (en) | 2019-02-01 |
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ID=65158661
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811234030.3A Pending CN109302244A (en) | 2018-10-23 | 2018-10-23 | A low-voltage power line carrier communication unit communication capability detection method and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342865A (en) * | 2020-04-14 | 2020-06-26 | 深圳芯珑电子技术有限公司 | Power line carrier communication module production test system |
| CN113507297A (en) * | 2021-05-26 | 2021-10-15 | 青岛鼎信通讯股份有限公司 | Test method and system for evaluating performance of HPLC communication unit |
| CN113992238A (en) * | 2021-10-26 | 2022-01-28 | 广东电网有限责任公司 | Quantitative test analysis method, device and system for carrier communication performance |
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| EP2538648A1 (en) * | 2010-03-10 | 2012-12-26 | Qingdao Eastsoft Communication Technology Co. Ltd | Receiving circuit, transmitting circuit, micro-controller and method for power line carrier communication |
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| US20090207953A1 (en) * | 2008-02-15 | 2009-08-20 | Panasonic Corporation | Receiving level control apparatus and receiver |
| CN201312312Y (en) * | 2008-11-19 | 2009-09-16 | 南京新联电子股份有限公司 | Low voltage power cord carrier communication test system |
| EP2538648A1 (en) * | 2010-03-10 | 2012-12-26 | Qingdao Eastsoft Communication Technology Co. Ltd | Receiving circuit, transmitting circuit, micro-controller and method for power line carrier communication |
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| CN111342865A (en) * | 2020-04-14 | 2020-06-26 | 深圳芯珑电子技术有限公司 | Power line carrier communication module production test system |
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Application publication date: 20190201 |