CN107294630B - Simulation test system of carrier wave-micropower dual-mode module - Google Patents
Simulation test system of carrier wave-micropower dual-mode module Download PDFInfo
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- CN107294630B CN107294630B CN201710724417.6A CN201710724417A CN107294630B CN 107294630 B CN107294630 B CN 107294630B CN 201710724417 A CN201710724417 A CN 201710724417A CN 107294630 B CN107294630 B CN 107294630B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/391—Modelling the propagation channel
- H04B17/3912—Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The simulation test system of the carrier-micropower dual-mode module solves the technical problems that two sets of simulation systems are needed to be built for the existing simulation test of the carrier-micropower dual-mode module, the two communication modes are respectively tested and simulated, the two communication modes can not be tested in one set of test simulation system at the same time, and the test period is long.
Description
Technical Field
The invention relates to the technical field of power communication simulation, in particular to a simulation test system of a carrier wave-micropower dual-mode module.
Background
The power line carrier communication technology and the micropower communication technology are main stream communication technologies of the field centralized meter reading of the power utilization information system, in the communication process of a central coordinator and a corresponding site, the current simulation test system can only realize simulation of one channel (carrier or micropower), and because the carrier-micropower dual-mode module can send two communication signals (carrier and micropower) at the same time, the current simulation test system needs to build two simulation systems to test and simulate the two communication modes respectively, so that the technical problems that the two communication modes can not be tested in one set of test simulation system at the same time and the test period is long can not be realized.
Disclosure of Invention
The invention provides a simulation test system of a carrier-micropower dual-mode module, which is used for solving the technical problems that two sets of simulation systems are required to be built for the existing simulation test of the carrier-micropower dual-mode module, the two communication modes are respectively tested and simulated, the two communication modes can not be tested in one set of test simulation system at the same time, and the test period is long.
The carrier and micropower simulation test system provided by the embodiment of the invention comprises:
the system comprises a central coordinator, a station, a radio frequency power divider, an interference generating device and detection equipment;
the central coordinator is respectively connected with the stations and the radio frequency power divider through radio frequency lines to construct a carrier-micropower communication network;
the central coordinator and the station respectively convert a carrier wired signal and a micropower wireless signal sent by the carrier-micropower dual-mode module into a first radio frequency signal and a second radio frequency signal, and mutually transmit the first radio frequency signal and the second radio frequency signal through the radio frequency lines;
the interference generating device is connected with the radio frequency line through the radio frequency power divider and is used for sending out interference signals and superposing the interference signals into the carrier-micropower communication network;
the detection equipment is connected with the radio frequency line through the radio frequency power divider and is used for detecting the transmission success rate of the radio frequency signals in the radio frequency line.
Preferably, the central coordinator and the stations comprise: a signal conversion module and a first coupling circuit;
the signal conversion module is used for converting the micro-power wired signal sent by the carrier wave-micro-power dual-mode module into a micro-power wired signal;
the first coupling circuit is used for converting the carrier wired signal and the micropower wired signal sent by the carrier-micropower dual-mode module into a first radio frequency signal and a second radio frequency signal respectively.
Preferably, the interference generating device includes:
a program controlled attenuator, a noise generator and a second coupling circuit;
the second coupling circuit is used for coupling the interference signals sent by the program-controlled attenuator and the noise generator into first carrier interference signals or first micropower interference signals, and overlapping the first carrier interference signals or the first micropower interference signals into the carrier-micropower communication network through the radio frequency power divider.
Preferably, the interference generating device includes:
an impedance simulator and a third coupling circuit;
the third coupling circuit is used for coupling the interference signal sent by the impedance simulator into a second carrier interference signal, and overlapping the second carrier interference signal into the carrier-micropower communication network through the radio frequency power divider.
Preferably, the simulation test system of the carrier-micropower dual-mode module further comprises: an upper computer;
the upper computer is connected with the interference generating device through a network cable and is used for controlling the output size of the interference signal.
Preferably, the simulation test system of the carrier-micropower dual-mode module further comprises: an upper computer;
the upper computer is connected with the detection equipment through a network cable and is used for acquiring the transmission success rate.
Preferably, the detection device specifically includes: a spectrometer.
Preferably, the simulation test system of the carrier-micropower dual-mode module further comprises: a first shielding box and a second shielding box;
the central coordinator is arranged in the first shielding box and used for isolating wireless radio frequency signals which are not the central coordinator;
the station is arranged in the second shielding box and used for isolating wireless radio frequency signals which are not the station.
From the above technical solution, the present invention has at least the following advantages:
the invention provides a simulation test system of a carrier-micropower dual-mode module, which connects a central coordinator and a site through a radio frequency line to construct a communication network, and meanwhile, the central coordinator and the site convert a carrier-micropower dual-mode module to send out a carrier wired signal and a micropower wireless signal into a radio frequency signal which can be transmitted on the radio frequency line. And the central coordinator and the station superimpose the interference signals sent by the interference modules into the communication network, and test results are obtained through the detection equipment, so that the two communication modes are tested and simulated simultaneously in one set of test simulation system.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a simulation test system for a carrier-micropower dual-mode module according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of a simulation test system of a carrier-micro power dual-mode module according to the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an embodiment of a simulation test system of a carrier-micro power dual-mode module according to the present invention is shown.
The embodiment of the invention provides a simulation test system of a carrier wave-micropower dual-mode module, which comprises the following components:
the system comprises a central coordinator, a station, a radio frequency power divider, an interference generating device and detection equipment;
the central coordinator is respectively connected with the stations and the radio frequency power divider through radio frequency lines to construct a carrier-micropower communication network;
the central coordinator and the station respectively convert a carrier wired signal and a micropower wireless signal sent by the carrier-micropower dual-mode module into a first radio frequency signal and a second radio frequency signal, and mutually transmit the first radio frequency signal and the second radio frequency signal through radio frequency lines;
the interference generating device is connected with the radio frequency line through the radio frequency power divider and is used for sending out interference signals and superposing the interference signals into the carrier-micropower communication network;
the detection equipment is connected with the radio frequency line through the radio frequency power divider and is used for detecting the transmission success rate of radio frequency signals in the radio frequency line.
The simulation test system of the carrier-micropower dual-mode module provided by the embodiment of the invention connects the central coordinator and the site through the radio frequency line to construct a communication network, and meanwhile, the central coordinator and the site convert a carrier wired signal and a micropower wireless signal sent by the carrier-micropower dual-mode module into a radio frequency signal which can be transmitted on the radio frequency line. And the central coordinator and the station superimpose the interference signals sent by the interference modules into the communication network, and test results are obtained through the detection equipment, so that the two communication modes are tested and simulated simultaneously in one set of test simulation system.
Referring to fig. 2, another embodiment of a simulation test system of a carrier-micro power dual-mode module according to the present invention is shown.
The simulation test system of the carrier-micropower dual-mode module provided by the embodiment of the invention comprises:
the system comprises a central coordinator, a station, a radio frequency power divider, an interference generating device and detection equipment;
the central coordinator is respectively connected with the stations and the radio frequency power divider through radio frequency lines to construct a carrier-micropower communication network;
the central coordinator and the station respectively convert a carrier wired signal and a micropower wireless signal sent by the carrier-micropower dual-mode module into a first radio frequency signal and a second radio frequency signal, and mutually transmit the first radio frequency signal and the second radio frequency signal through radio frequency lines;
the interference generating device is connected with the radio frequency line through the radio frequency power divider and is used for sending out interference signals and superposing the interference signals into the carrier-micropower communication network;
the detection equipment is connected with the radio frequency line through the radio frequency power divider and is used for detecting the transmission success rate of radio frequency signals in the radio frequency line.
It should be noted that, the spectrometer confirms whether the standard requirement is met (whether the transmission is successful) by testing the power spectral density (transmitting power) in the communication network.
Further, the central coordinator and the site include: a signal conversion module and a first coupling circuit;
the signal conversion module is used for converting the micropower wired signals sent by the carrier-micropower dual-mode module into micropower wired signals;
it should be noted that the signal conversion module may be configured as an antenna entity, which is not limited herein.
The first coupling circuit is used for converting the micropower wired signal and the carrier wired signal into a first radio frequency signal and a second radio frequency signal respectively.
Further, the interference generating device includes:
a program controlled attenuator, a noise generator and a second coupling circuit;
the second coupling circuit is used for coupling the interference signals sent by the program-controlled attenuator and the noise generator into first carrier interference signals or first micropower interference signals, and overlapping the first carrier interference signals or the first micropower interference signals into the carrier-micropower communication network through the radio frequency power divider.
Further, the interference generating device includes:
an impedance simulator and a third coupling circuit;
the third coupling circuit is used for coupling the interference signal sent by the impedance simulator into a second carrier interference signal and superposing the second carrier interference signal into the carrier-micropower communication network through the radio frequency power divider.
It should be noted that the resistive impedance and the capacitive impedance are only types of interference of the carrier communication.
In the specific implementation process, multiple comprehensive interferences can be combined for multiple tests according to different interference types such as different attenuation, noise, resistive impedance, capacitive impedance and the like;
meanwhile, the interference type testing system can be divided into a plurality of testing grades according to different interference types for testing, and specific interference combination indexes can be dynamically adjusted according to requirements.
In order for those skilled in the art to better understand the interference combining procedure, a specific example is described below.
The carrier test has four interference types of attenuation, noise, resistive impedance and capacitive impedance, and is divided into 15 interference test grades;
the micro-power test has two interference types of attenuation and noise, and is divided into 12 interference test grades;
further, the method further comprises the following steps: an upper computer;
the upper computer is connected with the interference generating device through a network cable and is used for controlling the output size of the interference signal. Further, the method further comprises the following steps: an upper computer;
the upper computer is connected with the detection equipment through a network cable and used for acquiring the transmission success rate.
Further, the detection device specifically includes: a spectrometer.
Further, the method further comprises the following steps: a first shielding box and a second shielding box;
a central coordinator is arranged in the first shielding box and is used for isolating wireless radio frequency signals of the non-central coordinator;
a station is arranged in the second shielding box and is used for isolating wireless radio frequency signals of non-stations.
The shielding box can shield all external interference, so that the carrier signal and the micropower signal can be understood to be a clear channel without interference during transmission, and the state of the channel can be changed by overlapping the interference, namely, a real channel is simulated.
The following is a test result of an embodiment of the present invention:
the carrier test has three interference types of attenuation, noise and impedance, and the test data are as follows:
the micropower wireless has only two kinds of interferences of attenuation and noise, and test data are as follows:
the simulation test system of the carrier-micropower dual-mode module provided by the embodiment of the invention connects the central coordinator and the site through the radio frequency line to construct a communication network, and meanwhile, the central coordinator and the site convert a carrier wired signal and a micropower wireless signal sent by the carrier-micropower dual-mode module into a radio frequency signal which can be transmitted on the radio frequency line. And the central coordinator and the station superimpose the interference signals sent by the interference modules into the communication network, detect the transmission success rate of the radio frequency signals in the radio frequency line through the frequency spectrograph and the power consumption meter, and acquire the test result through the upper computer, thereby realizing the simultaneous test and simulation of two communication modes in a set of test simulation system.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. A simulation test system for a carrier-micropower dual-mode module, comprising:
the system comprises a central coordinator, a station, a radio frequency power divider, an interference generating device, detection equipment and an upper computer;
the central coordinator is respectively connected with the stations and the radio frequency power divider through radio frequency lines to construct a carrier-micropower communication network;
the central coordinator and the station respectively convert a carrier wired signal and a micropower wireless signal sent by the carrier-micropower dual-mode module into a first radio frequency signal and a second radio frequency signal, and mutually transmit the first radio frequency signal and the second radio frequency signal through the radio frequency lines;
the interference generating device includes:
the system comprises a program-controlled attenuator, a noise generator, a second coupling circuit, an impedance simulator and a third coupling circuit;
the interference generating device is connected with the radio frequency line through the radio frequency power divider and is used for sending out interference signals and superposing the interference signals into the carrier-micropower communication network; the second coupling circuit is used for coupling the interference signals sent by the program-controlled attenuator and the noise generator into first carrier interference signals or first micropower interference signals, and superposing the first carrier interference signals or the first micropower interference signals into the carrier-micropower communication network through the radio frequency power divider; the third coupling circuit is used for coupling the interference signal sent by the impedance simulator into a second carrier interference signal and overlapping the second carrier interference signal into the carrier-micropower communication network through the radio frequency power divider;
the detection equipment is connected with the radio frequency line through the radio frequency power divider and is used for detecting the transmission success rate of the radio frequency signals in the radio frequency line;
the upper computer is connected with the interference generating device through a network cable and is used for controlling the output size of the interference signal.
2. The simulation test system of a carrier-micro power dual-mode module according to claim 1, wherein the central coordinator and the sites comprise: a signal conversion module and a first coupling circuit;
the signal conversion module is used for converting the micropower wireless signals sent by the carrier wave-micropower dual-mode module into micropower wired signals;
the first coupling circuit is used for converting the carrier wired signal and the micropower wired signal sent by the carrier-micropower dual-mode module into the first radio frequency signal and the second radio frequency signal respectively.
3. The simulation test system of the carrier-micro power dual-mode module according to any one of claims 1 to 2, further comprising: an upper computer;
the upper computer is connected with the detection equipment through a network cable and is used for acquiring the transmission success rate.
4. The simulation test system of the carrier-micro power dual-mode module according to any one of claims 1 to 2, wherein the detection device specifically comprises: a spectrometer.
5. The simulation test system of any of the carrier-micro power dual mode modules of any of claims 1-2, further comprising: a first shielding box and a second shielding box;
the central coordinator is arranged in the first shielding box and used for isolating wireless radio frequency signals which are not the central coordinator;
the station is arranged in the second shielding box and used for isolating wireless radio frequency signals which are not the station.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710724417.6A CN107294630B (en) | 2017-08-22 | 2017-08-22 | Simulation test system of carrier wave-micropower dual-mode module |
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| CN201710724417.6A CN107294630B (en) | 2017-08-22 | 2017-08-22 | Simulation test system of carrier wave-micropower dual-mode module |
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| CN107294630B true CN107294630B (en) | 2023-05-16 |
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| CN109407549A (en) * | 2018-10-26 | 2019-03-01 | 广西电网有限责任公司电力科学研究院 | A kind of power line carrier, PLC downstream station communication module emulation test system |
| CN110868328B (en) * | 2019-12-23 | 2024-05-10 | 深圳市国电科技通信有限公司 | Performance detection system for dual mode communication device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162530A (en) * | 2015-06-25 | 2015-12-16 | 深圳市国电科技通信有限公司 | System for detecting hardware performance of micropower wireless communication module |
| CN106330354A (en) * | 2016-09-22 | 2017-01-11 | 国网甘肃省电力公司电力科学研究院 | Dual mode heterogeneous local communication unit module performance detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105162530A (en) * | 2015-06-25 | 2015-12-16 | 深圳市国电科技通信有限公司 | System for detecting hardware performance of micropower wireless communication module |
| CN106330354A (en) * | 2016-09-22 | 2017-01-11 | 国网甘肃省电力公司电力科学研究院 | Dual mode heterogeneous local communication unit module performance detection system |
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Address after: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant after: China Southern Power Grid Power Technology Co.,Ltd. Address before: Room 501-503, annex building, Huaye building, No.1-3 Chuimao new street, Xihua Road, Yuexiu District, Guangzhou City, Guangdong Province 510000 Applicant before: GUANGDONG DIANKEYUAN ENERGY TECHNOLOGY Co.,Ltd. |
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