CN101902255A - Simulation test device and method of power line carrier communication - Google Patents
Simulation test device and method of power line carrier communication Download PDFInfo
- Publication number
- CN101902255A CN101902255A CN2010101438994A CN201010143899A CN101902255A CN 101902255 A CN101902255 A CN 101902255A CN 2010101438994 A CN2010101438994 A CN 2010101438994A CN 201010143899 A CN201010143899 A CN 201010143899A CN 101902255 A CN101902255 A CN 101902255A
- Authority
- CN
- China
- Prior art keywords
- test platform
- input
- output
- line carrier
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Monitoring And Testing Of Transmission In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a simulation test device and a method of power line carrier communication. The device comprises an information source test platform, an information sink test platform, a grid simulation reconfiguration channel and a T-shaped symmetrical isolator, wherein the T-shaped symmetrical isolator is provided with an input end, a first output end and a second output end, an isolating circuit configuration between the input end and the first output end of the T-shaped symmetrical isolator is same with an isolating circuit configuration between the input end and the second output end, the input end of the T-shaped symmetrical isolator is connected with an external power network, the first output end is connected to the power input end of the information source test platform, the second output end is connected to the power input end of the information sink test platform, and the communication simulation imitation test is carried out between the information source test platform and the information sink test platform through the grid simulation reconfiguration channel. The invention can imitate channel parameters, such as on-site noise, time-variable impedance, dynamic attenuation, and the like in a simulation grid environment and can control and test in the channel reconfiguration process without being influenced by external factors.
Description
Technical field
The present invention relates to the power line carrier communication field, relate in particular to a kind of power line carrier communication simulation testing device and method, be used for check and test the power communication product.
Background technology
In recent years, the power line carrier communication product comes into the market in the double drive of the market demand and national policy following the sixth of the twelve Earthly Branches fast.But these class communication products have run into serious challenge during operation in the channel circumstance of the high very noisy of actual electric network, dynamic attenuation, time-variable impedance.A lot of products require to differ greatly apart from practicality, its main cause is: the first, power line is a kind of typically with the ginseng channel as communication channel, shift the correlation technique of coming at present from traditional constant-parameter channel communications field, can't adapt to this time flexible letter environment of power line with the ginseng channel; The second, the existing method and apparatus that the power line carrier communication product is communicated quality testing can't satisfy the specification requirement in this field; Because effective checking means of shortage and analysis are improved one's methods in exploitation, production, application process, therefore cause Related product can't adapt to the situation of actual electric network operation.How to simulate and emulation electrical network site environment, thereby analyze and performance, quality, reliability, the adaptability of checking product, become the difficult problem of current power line carrier digital communication technical field.
Practice shows, the power line carrier communication product will guarantee to move in the actual electric network environment, the analog simulation test platform of power line channel environment must be provided in research and development, production and testing process, therefore, market presses for the simulator that a kind of energy satisfies research and development, produces, detects requirement.And require this class device can finish to the motional impedance in the power line channel environment, random noise, the time become main channel parameter such as decay and voltage fluctuation carry out artificial controllable and measurable, the simulation operations of qualitative, quantitative.
Existing power line carrier communication product test equipment as shown in Figure 1, external power Netcom crosses isolator and is connected to information source end A point (signal sending end), carrier wave main frame (power line carrier communication equipment) is connected to information source end A point by coupler, carrier terminal is connected to stay of two nights end B point (signal receiving end) by coupler, artificial simulation electrical network (manual simulation's electrical network), on artificial simulation electrical network, pass through the parameter setting of acoustic meter, attenuator, tunable load, the artificial actual power grid environment, the performance of test carrier wave main frame and carrier terminal.
The present invention finds that there is following major defect at least in this equipment:
1, because present technology can't be accomplished the impedance that isolator among the figure reaches truly isolates, so the motional impedance of external power grid can be reflected on the inner artificial electrical network, and the uncontrollability of formation Intranet causes the randomness of test result;
2, be a kind of dissymmetric network between information source end A point and the stay of two nights end B point among the figure, make up channel and down channel have asymmetry and uncontrollability, test result is difficult to quantize;
3, all equipment must be connected with interior electrical network by coupler, and its network amplitude-frequency and phase-frequency characteristic are difficult to accomplish smooth reasonable, and the modulation of each parameter is difficult to accomplish qualitative, quantitative, is difficult to the simulation requirements that reaches realistic;
4, still do not have directly to carry out at present the method and apparatus of analysis to measure, so this class device itself has immeasurability to channel impedance, attenuation, the frequency characteristic of electrical network itself.
Summary of the invention
In order to solve the problems referred to above of prior art, the purpose of this invention is to provide a kind of power line carrier communication simulation testing device and method, channel parameters such as the on-the-spot noise in can the analog simulation power grid environment, time-variable impedance, dynamic attenuation, and in the channel reconstruction process, accomplish controllable and measurablely, be not subjected to the influence of extraneous factor.
To achieve these goals, the invention provides a kind of power line carrier communication simulation testing device, comprise the information source test platform, stay of two nights test platform and grid simulation reconstruct channel, it is characterized in that, also comprise and insert the T type symmetry isolating device that the external power net is given the power supply of described information source test platform and stay of two nights test platform respectively, described T type symmetry isolator has input, first output and second output, it is identical that the buffer circuit structure between the input of described T type symmetry isolator and first output and the buffer circuit of the input and second output are constructed, the input of described T type symmetry isolator connects described external power net, described first output connects the power input of information source test platform, and described second output connects the power input of stay of two nights test platform.Carry out the emulation and the test of channel parameters such as on-the-spot noise, time-variable impedance, dynamic attenuation by grid simulation reconstruct channel between described information source test platform and the stay of two nights test platform.
As preferably, the input of described T type symmetry isolator specifically comprises outer net filter, input transformer, first trap, second trap, first isolating transformer that is connected in turn with the circuit structure between first output; The input of described T type symmetry isolator specifically comprises outer net filter, input transformer, the 3rd trap, the 4th trap, second isolating transformer that is connected in turn with the circuit structure between second output.
As preferably, described information source test platform or stay of two nights test platform comprise: the carrier signal interface, the power analysis device, signal analyzer, the impedance analysis device, regulation and control communication component and computer controller, described carrier signal interface is used to insert tested power line carrier communication equipment, described power analysis device be used to analyze described tested power line carrier communication equipment carrier signal transmit and receive power, described signal analyzer is used to analyze the frequency spectrum of carrier signal, amplitude, waveform, modulation and demodulation parameter, described impedance analysis device is used to analyze the complex impedance of described grid simulation reconstruct channel, described regulation and control communication component is used for communicating with described grid simulation reconstruct interchannel, and described computer controller is used to control described power analysis device, signal analyzer, the impedance analysis device, regulation and control communication component and display analysis test result.
As preferably, described regulation and control communication component and described grid simulation reconstruct interchannel communicate by optical fiber.
As preferably, be loaded with any or its combination in programmable attenuator, DDS noise generator and the channel impedance modulation instrument on the described grid simulation reconstruct channel.
As preferably, described stay of two nights test platform also comprises the voltage flicker instrument, is used for the voltage of importing described stay of two nights test platform is produced voltage flicker.
To achieve these goals, the present invention also provides a kind of power line carrier communication emulation test method, comprising:
Use T type symmetry isolating device to insert the external power net respectively to information source test platform and the power supply of stay of two nights test platform;
On described information source test platform and stay of two nights test platform, insert circuit-under-test line carrier communication equipment respectively;
Connect information source test platform and stay of two nights test platform by grid simulation reconstruct channel, and circuit-under-test line carrier communication equipment is carried out emulation testing by the parameter of adjusting grid simulation reconstruct channel;
Wherein, described T type symmetry isolator has input, first output and second output, the circuit structure between the input of described T type symmetry isolator and first output and the circuit structure of the input and second output are identical, the input of described T type symmetry isolator connects described external power net, described first output connects the power input of information source test platform, and described second output connects the power input of stay of two nights test platform.
As preferably, the parameter of described adjustment grid simulation reconstruct channel comprises attenuation, the superimposed noise amount of adjusting channel and adjusts the channel impedance value.
As preferably, the input of described T type symmetry isolator specifically comprises outer net filter, input transformer, first trap, second trap, first isolating transformer that is connected in turn with the circuit structure between first output; The input of described T type symmetry isolator specifically comprises outer net filter, input transformer, the 3rd trap, the 4th trap, second isolating transformer that is connected in turn with the circuit structure between second output.
As preferably, describedly on described information source test platform and stay of two nights test platform, insert after the circuit-under-test line carrier communication equipment respectively, also comprise: the voltage of importing described stay of two nights test platform is applied voltage flicker.
Beneficial effect of the present invention is, by T type symmetry isolating device is set, make external power net and information source test platform, be in the high resistant isolation between the stay of two nights test platform, the impedance variation of external power grid is very little to the influence of grid simulation reconstruct channel (Intranet), thereby can be by channel parameters such as the on-the-spot noise in the grid simulation reconstruct channel simulation emulation power grid environment, time-variable impedance, dynamic attenuation, and in the channel reconstruction process, accomplish controllable and measurablely, be not subjected to the influence of extraneous factor.Simultaneously, the present invention can carry out the parameter analysis and implement regulation and control carrier signal and carrier channel by described carrier channel reconstructing method and instrument integrated approach.
Description of drawings
Fig. 1 is the structural representation of the power line communication simulated test device of prior art.
Fig. 2 is the structural representation of the power line communication simulation testing device of the embodiment of the invention.
Fig. 3 is a kind of structural representation of the T type symmetry isolating device among Fig. 2.
Fig. 4 is a kind of structural representation of the information source test platform among Fig. 2.
Fig. 5 is a kind of structural representation of the grid simulation reconstruct channel among Fig. 2.
Fig. 6 is a kind of internal circuit diagram of the isolator among Fig. 3.
Fig. 7 is the test philosophy figure of the impedance analysis device among Fig. 4.
Fig. 8 is a kind of internal circuit diagram of the voltage flicker instrument among Fig. 3.
Fig. 9 is the detailed structure schematic diagram of Fig. 3.
Figure 10 is the flow chart of the power line carrier communication emulation test method of the embodiment of the invention.
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
Extremely shown in Figure 9 as Fig. 2, the power line carrier communication simulation testing device of present embodiment comprises information source test platform 21, stay of two nights test platform 23, grid simulation reconstruct channel 22, and access external power net 10 is given the T type symmetry isolating device 20 of described information source test platform 21 and 23 power supplies of stay of two nights test platform respectively, described T type symmetry isolator 20 has input, first output and second output, it is identical (symmetrically promptly) that the buffer circuit structure between the input of described T type symmetry isolator and first output and the buffer circuit of input and second output are constructed, the input of described T type symmetry isolator 20 connects described external power net 10, described first output connects the power input of information source test platform 21, and described second output connects the power input of stay of two nights test platform 23.The circuit structure powering mode that this symmetry is isolated has reduced the influence of 10 pairs of grid simulation reconstruct of external power net channel 22, makes that the emulation testing process is controlled, and test result is reliable and stable.
The input of the type of T described in present embodiment symmetry isolator 20 is constructed with the buffer circuit between first output and is specifically comprised outer net filter 201, input transformer 202, first trap 203, second trap 204, first isolating transformer 205 that is connected in turn; The input of described T type symmetry isolator is constructed with the buffer circuit between second output and is specifically comprised outer net filter 201, input transformer 202, the 3rd trap 206, the 4th trap 207, second isolating transformer 208 that is connected in turn.In order to prevent the influence of carrier signal radiation effect to isolation effect, all parts and lead all adopt the spacious measure of screen.As can be seen, it is symmetrical fully giving the power supply buffer circuit of information source test platform 21 and stay of two nights test platform 23.The symmetry buffer circuit makes and external power net 10 and information source test platform 21 is in the high resistant isolation between the stay of two nights test platform 23 that the impedance variation of external power net 10 is very little to the influence of grid simulation reconstruct channel 22 (Intranets).The internal circuit of outer net filter 201, first trap 203, second trap 204, the 3rd trap 206, the 4th trap 207 as shown in Figure 6, carrier signal for 20KHZ～500KHZ, itself all have the attenuation greater than-35db, uneven degree is less than 10db in the band.By test, carrier signal for 20KHZ～500KHZ, between the input of T type symmetry isolator 20 and first output or the attenuation between the input and second output greater than-70db, the attenuation of first output and second output is greater than-110db, and mutual isolation effect is good.During open circuit, between the input of T type symmetry isolator 20 and first output or the 100KHZ frequency real impedance between the input and second output greater than 10
4Ω manifests high-impedance state to carrier signal.First isolating transformer 205, second isolating transformer 208 have further lowered the influence of the impedance variation of external power net 10 to grid simulation reconstruct channel 22, thereby make grid simulation reconstruct channel 22 stable and controllable, and the emulation testing result reliability is higher.Certainly, the physical circuit form of T type symmetry isolator 20 can have a variety of, as long as symmetry isolates, has just provided concrete a kind of in this enforcement.
As shown in Figure 4, the information source test platform 21 or the stay of two nights test platform 23 of present embodiment comprise: carrier signal interface 211, power analysis device 212, signal analyzer 213, impedance analysis device 214, regulation and control communication component 215 and computer controller 216, described carrier signal interface 211 is used to insert tested power line carrier communication equipment, described power analysis device 212 be used to analyze described tested power line carrier communication equipment carrier signal transmit and receive power (comprising forward power and backward power); Described signal analyzer 213 is used to analyze frequency spectrum, amplitude, waveform, modulation and the demodulation parameter (virtual instrument that comprehensively integrates frequency spectrograph, oscilloscope, digital universal meter, signal analyzer of carrier signal, can carry out qualitative and quantitative analysis to carrier signal), and can detect the demonstration error rate (to the situation of known modulation standard); Described impedance analysis device 214 is used to analyze the complex impedance of described grid simulation reconstruct channel, its measuring principle figure as shown in Figure 7, by measuring-signal waveforms amplitude v
iWith sample resistance R
rOn waveforms amplitude V
r, know R the sixth of the twelve Earthly Branches
rValue is used formula
Calculate complex impedance value Z, measure v then
iAnd v
rThe phase difference θ of two waveform pass zero points calculates real impedance R and imaginary impedance X value with formula R=|Z|cos θ and X=|Z|sin θ again, and whole process is finished and shown by computer software; Described regulation and control communication component 215 be used for and described each program control parts between communicate, described computer controller 216 is used to control described power analysis device 212, signal analyzer 213, impedance analysis device 214, regulation and control communication component 215 and display analysis test result.Utilize 485 buses to communicate between carrier signal interface 211, power analysis device 212, signal analyzer 213, impedance analysis device 214, regulation and control communication component 215 and the computer controller 216, computer controller 216 shows various analysis data by the particular virtual instrument software and by instruction parameter is regulated and control.Communicate by optical fiber 41 between described regulation and control communication component 215 and the described grid simulation reconstruct channel 22, corresponding optical fiber is set to be changeed 485 change-over circuits and gets final product.Carrier signal between information source test platform 21 and the grid simulation reconstruct channel 22 is coupled by signal coupler 40.
As shown in Figure 5, be loaded with programmable attenuator 221, DDS (numeral is synthetic) noise generator 222 and channel impedance modulation instrument 223 on the described grid simulation reconstruct channel 22, certainly, can select any or its combination wherein during test, can be two kinds, also can three kinds of loadings simultaneously.Signal between stay of two nights test platform 23 and the grid simulation reconstruct channel 22 is coupled by signal coupler 50.Programmable attenuator 221 is responsible for the modulation of fading channel amount, programmable attenuator 221 is attenuators of a remote control and regulation in the present embodiment, control software instruction and be transported to its inner MCU by regulation and control communication component 215, process decoding execution one group relay moves and switches attenuation, the adjustable attenuator of ten groups of 1db step attenuators and nine groups of 10db step attenuator cascade formation 0～99db; DDS noise generator 222 is responsible for the stack of noisiness and the playback of on-the-spot noise record ripple, it can produce the 10KHZ～white noise of 1MHZ frequency, pink noise, impulsive noise, and can produce the field simulation noise by the mode of the on-the-spot interference noise wave record playback of electrical network, noise signal is by the programmable amplifier channel that is added to, noise amplitude from 0dbm to+28dbm is adjustable continuously; Channel impedance modulation instrument 223 is responsible for the adjustment of channel impedance, and its real impedance can be from the continuous modulation of 0.5 Ω to 1k Ω, the variation that imaginary impedance can modulation channel phase angle ± 30 ° (capacitive reactance be to induction reactance).
Described stay of two nights test platform 23 also comprises voltage flicker instrument 231, be used for the voltage of importing described stay of two nights test platform is produced voltage flicker, its internal circuit as shown in Figure 8, by the mode programming device can carry out that voltage falls entirely, partly falls, sawtooth flickering, spark flicker test, can test the reactance voltage flickering performance of test product.
The parameter index of the power line carrier communication simulation testing device of this enforcement is as follows:
1, three big functions:
1.1, power line carrier communication conventional parameter item measuring ability, output key property test report;
1.2, power line carrier communication channel reconstruction copying, comprising: changing environment emulation when the emulation of characteristic of channel impedance, interchannel noise model emulation, fading channel model emulation, channel, output show in real time and the accommodation test report;
1.3, line voltage flickering emulation testing, the output reliability test report.
2, test event introduction:
2.1, power line carrier communication conventional project calibrating: comprising: centre frequency, modulation bandwidth, modulation classification, signal strength signal intensity, harmonic constant etc.;
2.2, absolute sensitivity: power line carrier equipment is at 50 Ω, the anti-ageing decrement in the 0db noisy communication channel;
2.3, effective sensitivity: power line carrier equipment is at 50 Ω, the anti-ageing decrement the in+10db noisy communication channel;
2.4, the antinoise index: power line carrier equipment is at 50 Ω, the antinoise stack amount the in-35db attenuation channel;
2.5, impedance adaptability index:
1. the power line carrier terminal equipment is at-35db attenuation, the impedance modulation adaptive capacity the in+10db noisy communication channel;
2. the power line carrier main process equipment is at-35db attenuation, the impedance modulation adaptive capacity the in+10db noisy communication channel;
2.6, line voltage flickering adaptability:
The power line carrier terminal equipment is in-35db attenuation, and in+10db the noisy communication channel, the grade of anti-line voltage flickering is with 1,2,3 grade of expression;
Circuit in the present embodiment can realize on existing integrated circuits or mcu basis, and related software can realize with virtual instrument EDA, and is simple, can obtain in the actual tests test with other equipment performance that is beyond one's reach.
The power line carrier communication simulation testing device of this enforcement is by being provided with T type symmetry isolating device, make external power net and information source test platform, be in the high resistant isolation between the stay of two nights test platform, the impedance variation of external power grid is very little to the influence of grid simulation reconstruct channel (Intranet), thereby can come channel parameters such as on-the-spot noise, time-variable impedance, dynamic attenuation in the analog simulation power grid environment by the parameter of adjusting grid simulation reconstruct channel, and in the channel reconstruction process, accomplish controllable and measurablely, be not subjected to the influence of extraneous factor.
As shown in figure 10, the power line carrier communication emulation test method of present embodiment comprises:
S11: use T type symmetry isolating device to insert the external power net respectively to information source test platform and the power supply of stay of two nights test platform;
S12: on described information source test platform and stay of two nights test platform, insert circuit-under-test line carrier communication equipment respectively;
S13: circuit-under-test line carrier communication equipment is carried out emulation testing by the parameter of adjusting grid simulation reconstruct channel;
Wherein, described T type symmetry isolator has input, first output and second output, it is identical that the buffer circuit structure between the input of described T type symmetry isolator and first output and the buffer circuit of the input and second output are constructed, the input of described T type symmetry isolator connects described external power net, described first output connects the power input of information source test platform, and described second output connects the power input of stay of two nights test platform.
The parameter of described adjustment grid simulation reconstruct channel comprises attenuation, the superimposed noise amount of adjusting channel and adjusts the channel impedance value.
The input of described T type symmetry isolator is constructed with the buffer circuit between first output and is specifically comprised outer net filter, input transformer, first trap, second trap, first isolating transformer that is connected in turn; The input of described T type symmetry isolator is constructed with the buffer circuit between second output and is specifically comprised outer net filter, input transformer, the 3rd trap, the 4th trap, second isolating transformer that is connected in turn.
The described access on described information source test platform and stay of two nights test platform respectively after the circuit-under-test line carrier communication equipment can also comprise: the voltage of importing described stay of two nights test platform is applied voltage flicker.
The method implementation procedure of present embodiment is with reference to the concrete elaboration among the above-mentioned power line carrier communication simulation testing device embodiment.
Above embodiment is an exemplary embodiment of the present invention only, is not used in restriction the present invention, and protection scope of the present invention is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the present invention in essence of the present invention and protection range, this modification or be equal to replacement and also should be considered as dropping in protection scope of the present invention.
Claims (10)
1. power line carrier communication simulation testing device, comprise the information source test platform, stay of two nights test platform and grid simulation reconstruct channel, it is characterized in that, also comprise and insert the T type symmetry isolating device that the external power net is given the power supply of described information source test platform and stay of two nights test platform respectively, described T type symmetry isolator has input, first output and second output, it is identical that the buffer circuit structure between the input of described T type symmetry isolator and first output and the buffer circuit of the input and second output are constructed, the input of described T type symmetry isolator connects described external power net, described first output connects the power input of information source test platform, and described second output connects the power input of stay of two nights test platform.
2. power line carrier communication simulation testing device according to claim 1, it is characterized in that the input of described T type symmetry isolator is constructed with the buffer circuit between first output and specifically comprised outer net filter, input transformer, first trap, second trap, first isolating transformer that is connected in turn; The input of described T type symmetry isolator is constructed with the buffer circuit between second output and is specifically comprised outer net filter, input transformer, the 3rd trap, the 4th trap, second isolating transformer that is connected in turn.
3. power line carrier communication simulation testing device according to claim 1 and 2, it is characterized in that, described information source test platform or stay of two nights test platform comprise: the carrier signal interface, the power analysis device, signal analyzer, the impedance analysis device, regulation and control communication component and computer controller, described carrier signal interface is used to insert tested power line carrier communication equipment, described power analysis device be used to analyze described tested power line carrier communication equipment carrier signal transmit and receive power, described signal analyzer is used to analyze the frequency spectrum of carrier signal, amplitude, waveform, modulation and demodulation parameter, described impedance analysis device is used to analyze the complex impedance of described grid simulation reconstruct channel, described regulation and control communication component is used for communicating with described grid simulation reconstruct interchannel, and described computer controller is used to control described power analysis device, signal analyzer, the impedance analysis device, regulation and control communication component and display analysis test result.
4. power line carrier letter simulation testing device according to claim 3 is characterized in that described regulation and control communication component and described grid simulation reconstruct interchannel communicate by optical fiber.
5. power line carrier communication simulation testing device according to claim 1 is characterized in that, is loaded with any or its combination in programmable attenuator, DDS noise generator and the channel impedance modulation instrument on the described grid simulation reconstruct channel.
6. power line carrier communication simulation testing device according to claim 1 is characterized in that, described stay of two nights test platform also comprises the voltage flicker instrument, is used for the voltage of importing described stay of two nights test platform is produced voltage flicker.
7. a power line carrier communication emulation test method is characterized in that, comprising:
Use T type symmetry isolating device to insert the external power net respectively to information source test platform and the power supply of stay of two nights test platform;
On described information source test platform and stay of two nights test platform, insert tested power line carrier communication equipment respectively, and the integral instrument by platform detects in real time to carrier signal parameter and channel parameter and regulates and control;
Connect by grid simulation reconstruct channel between information source test platform and the stay of two nights test platform, circuit-under-test line carrier communication equipment is carried out emulation testing by the parameter of adjusting grid simulation reconstruct channel;
Wherein, described T type symmetry isolator has input, first output and second output, the circuit structure between the input of described T type symmetry isolator and first output and the circuit structure of the input and second output are identical, the input of described T type symmetry isolator connects described external power net, described first output connects the power input of information source test platform, and described second output connects the power input of stay of two nights test platform.
8. power line carrier communication emulation test method according to claim 7 is characterized in that, the parameter of described adjustment grid simulation reconstruct channel comprises attenuation, superimposed noise amount and the channel impedance value of adjusting channel.
9. according to claim 7 or 8 described power line carrier communication emulation test methods, it is characterized in that the input of described T type symmetry isolator specifically comprises outer net filter, input transformer, first trap, second trap, first isolating transformer that is connected in turn with the circuit structure between first output; The input of described T type symmetry isolator specifically comprises outer net filter, input transformer, the 3rd trap, the 4th trap, second isolating transformer that is connected in turn with the circuit structure between second output.
10. according to claim 7 or 8 described power line carrier communication emulation test methods, it is characterized in that, the described access on described information source test platform and stay of two nights test platform respectively after the circuit-under-test line carrier communication equipment also comprises: the voltage of importing described stay of two nights test platform is applied voltage flicker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101438994A CN101902255B (en) | 2010-04-02 | 2010-04-02 | Simulation test device and method of power line carrier communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101438994A CN101902255B (en) | 2010-04-02 | 2010-04-02 | Simulation test device and method of power line carrier communication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101902255A true CN101902255A (en) | 2010-12-01 |
| CN101902255B CN101902255B (en) | 2013-01-09 |
Family
ID=43227492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101438994A Expired - Fee Related CN101902255B (en) | 2010-04-02 | 2010-04-02 | Simulation test device and method of power line carrier communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101902255B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102004190A (en) * | 2010-12-07 | 2011-04-06 | 黑龙江省电力科学研究院 | Impedance test device of low-voltage electric power carrier channel |
| CN102185639A (en) * | 2011-04-27 | 2011-09-14 | 中国电力科学研究院 | Characteristic analyzer used for low-voltage power line carrier wave channel |
| CN102487299A (en) * | 2010-12-03 | 2012-06-06 | 华北电力科学研究院有限责任公司 | Method and device for simulating noise of power line carrier channel |
| CN102621386A (en) * | 2012-03-26 | 2012-08-01 | 重庆市电力公司电力科学研究院 | System and method for measuring high-frequency impedance of low-voltage power line |
| CN104158564A (en) * | 2014-05-23 | 2014-11-19 | 国家电网公司 | Low-voltage power line carrier communication effect test module |
| WO2015109873A1 (en) * | 2014-01-26 | 2015-07-30 | 瑞斯康微电子（深圳）有限公司 | Power line carrier communication testing device |
| CN105334404A (en) * | 2014-06-11 | 2016-02-17 | 中达电子零组件(吴江)有限公司 | Artificial mains network |
| CN106789328A (en) * | 2017-01-12 | 2017-05-31 | 深圳市深精电科技有限公司 | Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform |
| CN106847016A (en) * | 2016-12-12 | 2017-06-13 | 国网北京市电力公司 | Emulation test system and simulated test device |
| CN106972981A (en) * | 2017-02-27 | 2017-07-21 | 天津科技大学 | A kind of method of testing of power line carrier technology in adapted telecommunication |
| CN107317603A (en) * | 2017-07-03 | 2017-11-03 | 河南省科学院应用物理研究所有限公司 | A kind of method of power line communication, system and power line communications terminal |
| CN107425881A (en) * | 2017-06-06 | 2017-12-01 | 中国电力科学研究院 | A kind of method and system tested for low-voltage power line bandwidth carrier communication performance |
| CN108508290A (en) * | 2018-03-13 | 2018-09-07 | 北京润科通用技术有限公司 | A kind of noise failure analogy method and device |
| CN109639319A (en) * | 2018-11-20 | 2019-04-16 | 国网重庆市电力公司电力科学研究院 | A kind of multi-source end noise modeling method under the line topological environmental based on Complex Power |
| CN110865256A (en) * | 2019-11-26 | 2020-03-06 | 四川九立微波有限公司 | Radio frequency amplitude modulator for realizing linearity through common electrically-controlled attenuator |
| CN113810081A (en) * | 2021-10-19 | 2021-12-17 | 惠州化能汇通智能科技有限公司 | Power distribution and utilization acquisition simulation system of HPLC of programmable attenuator |
| CN113890566A (en) * | 2021-10-26 | 2022-01-04 | 广东电网有限责任公司 | Platform and method for testing conventional performance indexes of power line carrier communication equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW429314B (en) * | 1999-05-14 | 2001-04-11 | Ind Tech Res Inst | Power line resistance measuring method and apparatus |
| TWI302064B (en) * | 2002-01-24 | 2008-10-11 | Matsushita Electric Ind Co Ltd | Power-line carrier communication apparatus |
| CN101404523A (en) * | 2008-11-19 | 2009-04-08 | 南京新联电子股份有限公司 | Low-voltage powerline carrier communication experiment method and its experiment system |
-
2010
- 2010-04-02 CN CN2010101438994A patent/CN101902255B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW429314B (en) * | 1999-05-14 | 2001-04-11 | Ind Tech Res Inst | Power line resistance measuring method and apparatus |
| TWI302064B (en) * | 2002-01-24 | 2008-10-11 | Matsushita Electric Ind Co Ltd | Power-line carrier communication apparatus |
| CN101404523A (en) * | 2008-11-19 | 2009-04-08 | 南京新联电子股份有限公司 | Low-voltage powerline carrier communication experiment method and its experiment system |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102487299A (en) * | 2010-12-03 | 2012-06-06 | 华北电力科学研究院有限责任公司 | Method and device for simulating noise of power line carrier channel |
| CN102487299B (en) * | 2010-12-03 | 2014-02-19 | 华北电力科学研究院有限责任公司 | Method and device for simulating noise of power line carrier channel |
| CN102004190A (en) * | 2010-12-07 | 2011-04-06 | 黑龙江省电力科学研究院 | Impedance test device of low-voltage electric power carrier channel |
| CN102004190B (en) * | 2010-12-07 | 2012-11-28 | 黑龙江省电力科学研究院 | Impedance test device of low-voltage electric power carrier channel |
| CN102185639A (en) * | 2011-04-27 | 2011-09-14 | 中国电力科学研究院 | Characteristic analyzer used for low-voltage power line carrier wave channel |
| CN102185639B (en) * | 2011-04-27 | 2014-01-29 | 中国电力科学研究院 | Characteristic analyzer used for low-voltage power line carrier wave channel |
| CN102621386A (en) * | 2012-03-26 | 2012-08-01 | 重庆市电力公司电力科学研究院 | System and method for measuring high-frequency impedance of low-voltage power line |
| CN102621386B (en) * | 2012-03-26 | 2014-07-09 | 重庆市电力公司电力科学研究院 | System and method for measuring high-frequency impedance of low-voltage power line |
| WO2015109873A1 (en) * | 2014-01-26 | 2015-07-30 | 瑞斯康微电子（深圳）有限公司 | Power line carrier communication testing device |
| CN104158564A (en) * | 2014-05-23 | 2014-11-19 | 国家电网公司 | Low-voltage power line carrier communication effect test module |
| CN105334404A (en) * | 2014-06-11 | 2016-02-17 | 中达电子零组件(吴江)有限公司 | Artificial mains network |
| CN105334404B (en) * | 2014-06-11 | 2018-10-23 | 中达电子零组件(吴江)有限公司 | Artificial mains network |
| CN106847016A (en) * | 2016-12-12 | 2017-06-13 | 国网北京市电力公司 | Emulation test system and simulated test device |
| CN106847016B (en) * | 2016-12-12 | 2020-04-24 | 国网北京市电力公司 | Simulation test system and simulation test equipment |
| CN106789328A (en) * | 2017-01-12 | 2017-05-31 | 深圳市深精电科技有限公司 | Low-voltage power line bandwidth carrier constructing communication network assesses emulation platform |
| CN106972981A (en) * | 2017-02-27 | 2017-07-21 | 天津科技大学 | A kind of method of testing of power line carrier technology in adapted telecommunication |
| CN107425881A (en) * | 2017-06-06 | 2017-12-01 | 中国电力科学研究院 | A kind of method and system tested for low-voltage power line bandwidth carrier communication performance |
| CN107317603A (en) * | 2017-07-03 | 2017-11-03 | 河南省科学院应用物理研究所有限公司 | A kind of method of power line communication, system and power line communications terminal |
| CN107317603B (en) * | 2017-07-03 | 2020-12-18 | 河南省科学院应用物理研究所有限公司 | Power line communication method and system and power line communication terminal |
| CN108508290A (en) * | 2018-03-13 | 2018-09-07 | 北京润科通用技术有限公司 | A kind of noise failure analogy method and device |
| CN108508290B (en) * | 2018-03-13 | 2020-11-03 | 北京润科通用技术有限公司 | Noise fault simulation method and device |
| CN109639319A (en) * | 2018-11-20 | 2019-04-16 | 国网重庆市电力公司电力科学研究院 | A kind of multi-source end noise modeling method under the line topological environmental based on Complex Power |
| CN109639319B (en) * | 2018-11-20 | 2021-10-01 | 国网重庆市电力公司电力科学研究院 | Multi-source-end noise modeling method based on complex power line topological environment |
| CN110865256A (en) * | 2019-11-26 | 2020-03-06 | 四川九立微波有限公司 | Radio frequency amplitude modulator for realizing linearity through common electrically-controlled attenuator |
| CN113810081A (en) * | 2021-10-19 | 2021-12-17 | 惠州化能汇通智能科技有限公司 | Power distribution and utilization acquisition simulation system of HPLC of programmable attenuator |
| CN113890566A (en) * | 2021-10-26 | 2022-01-04 | 广东电网有限责任公司 | Platform and method for testing conventional performance indexes of power line carrier communication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101902255B (en) | 2013-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101902255B (en) | Simulation test device and method of power line carrier communication | |
| CN101404523B (en) | Low-voltage powerline carrier communication experiment method and its experiment system | |
| CN107294563A (en) | A kind of low-voltage powerline carrier communication interconnects performance test methods and system | |
| Schöttke et al. | Emission in the frequency range of 2 kHz to 150 kHz caused by electrical vehicle charging | |
| CN202340226U (en) | Fully automatic test device for performance indexes of power line carrier communication | |
| CN201312312Y (en) | Low voltage power cord carrier communication test system | |
| CN101629980B (en) | Method for testing performance of EMI filter based on scattering parameter | |
| CN204119227U (en) | Intelligent electric meter carrier communication module test gimulator | |
| CN201966909U (en) | Integrated test system for low-voltage narrowband power line carrier communication | |
| CN107231172A (en) | A kind of method and system for being tested low-voltage power line bandwidth carrier Communications Interoperability | |
| CN105656518B (en) | A kind of power line carrier routing simulation and test platform and test method | |
| CN104202067A (en) | Testing simulator for intelligent electric meter carrier communication module | |
| CN105388365B (en) | A kind of complicated electromagnetic signal environment construction method in communication equipment adaptive testing | |
| CN111654311B (en) | Power line carrier simulation operation test system and method thereof | |
| CN101193324A (en) | STB integrated test system | |
| CN105634550A (en) | Carrier wave communication success rate testing system and method | |
| CN105634551A (en) | Carrier wave communication equipment electrical property test system and method | |
| CN103516448A (en) | Collection terminal communication interface load capacity test system | |
| CN205901757U (en) | Carrier communication module intelligent detecting system | |
| CN106772171A (en) | A kind of detection of ultrasonic wave local discharge detection device and check system | |
| CN103513223A (en) | Electric energy meter communication interface load capacity test system | |
| CN107294562A (en) | Low-voltage power carrier module simulation detection means | |
| CN106330260A (en) | Laboratory test device and method of low-voltage power line carrier performance | |
| CN108155921A (en) | System is tested in a kind of power wire broadband carrier communication networking | |
| CN207022002U (en) | Power line carrier module analoging detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Linkcode Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20150402 |
|
| EXPY | Termination of patent right or utility model |