CN104579824A - Uplink and downlink communication test system for electricity utilization information acquisition terminal - Google Patents
Uplink and downlink communication test system for electricity utilization information acquisition terminal Download PDFInfo
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- CN104579824A CN104579824A CN201410776554.0A CN201410776554A CN104579824A CN 104579824 A CN104579824 A CN 104579824A CN 201410776554 A CN201410776554 A CN 201410776554A CN 104579824 A CN104579824 A CN 104579824A
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Abstract
The invention provides an uplink and downlink communication test system for an electricity utilization information acquisition terminal. The uplink and downlink communication test system comprises a standard protocol signal source, an integrated tester, a signal interference source, a multifunctional electromagnetic wave small chamber, an interception unit and a spectrum analyzer, wherein the standard protocol signal source is used for generating a baseband signal complying with a communication protocol on which the uplink and downlink communication channels of the acquisition terminal are based; the integrated tester is used for modulating the baseband signal to generate an aerial signal; the signal interference source is used for simulating the actual uplink and downlink communication channels of the acquisition terminal to interfere with the aerial signal; the multifunctional electromagnetic wave small chamber is used for placing of the tested acquisition terminal for avoid external environmental impact, receiving the interfered aerial signal, and transmitting the interfered aerial signal to the acquisition terminal; the interception unit is used for receiving and testing a message sent by the acquisition terminal; the spectrum analyzer is used for testing the radio frequency performance of the acquisition terminal. Through the adoption of the uplink and downlink communication test system, requirements on testing of the uplink and downlink communication performance and the radio frequency performance, such as the downlink communication radio frequency performance, the protocol performance, the network meter reading performance and the uplink communication radio frequency performance, of the acquisition terminal in an electricity utilization information acquisition system of a power consumer can be met comprehensively.
Description
Technical field
The present invention relates to technical field of electric power communication, particularly, relate to a kind of power information acquisition terminal uplink and downlink communication test macro.
Background technology
The wireless interconnected intercommunication communication module of micropower gets more and more and is used in the power user power consumption information acquisition system of national grid, along with Centroid and from node communication module use more and more extensive, communication module carries increasing data volume and critical role, in order to ensure Centroid and the networking from node communication module and the function at net, performance and stability etc., strict test must be performed before networking.Acquisition terminal wireless public network communication quality detects and only carries out functional detection in uplink communication unit producer at present simultaneously, acquisition terminal supplier of Guo Wang company does not almost carry out wireless public network communication test to acquisition terminal before dispatching from the factory, network metering center, Guo Wang each province is complete, the comprehensive embodiment of neither one also, particularly detects etc. on complete machine for the applications of wireless technology of acquisition terminal complete detection and simulation practical communication environment.The device that simultaneously can detect the communication quality of power information acquisition terminal downlink communication channel (micro power radio communication channel) and uplink communication information (GPRS), performance and index is domestic not to be existed, and therefore realizes power information acquisition terminal uplink and downlink communication test macro simultaneously and urgently occurs.
Summary of the invention
The main purpose of the embodiment of the present invention is to provide a kind of power information acquisition terminal uplink and downlink communication test macro, in order to realize testing the uplink and downlink communication performance of power information acquisition terminal and radio-frequency performance simultaneously.
To achieve these goals, the embodiment of the present invention provides a kind of power information acquisition terminal uplink and downlink communication test macro, comprising:
Standard agreement signal source, for generate meet acquisition terminal uplink and downlink communication channel based on the baseband signal of communication protocol;
Comprehensive tester, connects described standard agreement signal source, for modulating described baseband signal, generates aerial signal;
Signal disturbing source, connects described comprehensive tester, for acquisition terminal uplink and downlink communication channel that is virtually reality like reality, applies interference to described aerial signal;
Multifunctional electromagnetic wave cell, for laying tested acquisition terminal to isolate external environment impact, receiving the described aerial signal after applying interference and being transferred to described acquisition terminal;
Intercept unit, connect described acquisition terminal, for receiving and testing the message that described acquisition terminal sends;
Frequency spectrograph, connects described acquisition terminal, for testing the radio-frequency performance of described acquisition terminal.
By means of technique scheme, the present invention can meet the detection of acquisition terminal uplink and downlink communication performance and radio-frequency performance in power user power consumption information acquisition system comprehensively, comprises downlink communication radio-frequency performance, protocol capabilities, network meter reading performance and uplink communication radio-frequency performance etc.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is power information acquisition system block schematic illustration provided by the invention;
Fig. 2 is power information acquisition terminal uplink and downlink communication test system structure schematic diagram provided by the invention;
Fig. 3 is the power information acquisition terminal uplink and downlink communication test system structure schematic diagram with industrial computer provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Figure 1 shows that power information acquisition system block schematic illustration, uplink communication channel between acquisition terminal and front end processor/main website is based on code division multiple access (Code Division Multiple Access, CDMA) public network agreement, general packet radio service (General Packet Radio Service, GPRS) public network agreement, 230M private network agreement etc. communicate, acquisition terminal be communicate based on micro power radio communication agreement, protocol of power line carrier communication etc. between intelligent electric meter or collector.
In order to realize testing the uplink and downlink communication performance of power information acquisition terminal and radio-frequency performance simultaneously, the invention provides a kind of power information acquisition terminal uplink and downlink communication test macro, as shown in Figure 2, this test macro comprises: standard agreement signal source 21, comprehensive tester 22, signal disturbing source 23, multifunctional electromagnetic wave cell 24, intercept unit 25 and frequency spectrograph 26.
Standard agreement signal source 21, for generate meet acquisition terminal uplink and downlink communication channel based on the baseband signal of communication protocol.
Wherein, acquisition terminal downlink communication channel based on communication protocol be at least one in micro power radio communication agreement, protocol of power line carrier communication; Acquisition terminal uplink communication channel based on communication protocol be at least one in CDMA public network agreement, GPRS public network agreement, 230M private network agreement.
Comprehensive tester 22, connection standard protocol signal source 21, for modulating baseband signal, generates aerial signal.
Signal disturbing source 23, connects comprehensive tester 22, for acquisition terminal uplink and downlink communication channel that is virtually reality like reality, applies interference to aerial signal.
Multifunctional electromagnetic wave cell 24, for laying tested acquisition terminal to isolate external environment impact, receiving the aerial signal after applying interference and being transferred to acquisition terminal.
Intercept unit 25, connect acquisition terminal, for receiving and testing the message that acquisition terminal sends.
Frequency spectrograph 26, connects acquisition terminal, for testing the radio-frequency performance of acquisition terminal.
Carry out communicating based on micro power radio communication agreement for the downlink communication channel of acquisition terminal, the testing process of system shown in Figure 2 to acquisition terminal downlink communication performance is specific as follows: standard agreement signal source generates the baseband signal meeting micro power radio communication agreement according to beacon frame corresponding to content measurement, and is transferred to comprehensive tester; Comprehensive tester is modulated the baseband signal received, and forms the aerial signal meeting micro power radio communication agreement; Signal disturbing source micro power radio communication channel that is virtually reality like reality applies interference to the aerial signal that comprehensive tester modulation is formed; Aerial signal after applying to disturb is transferred to acquisition terminal via the coupling plate of multifunctional electromagnetic wave cell; Above process is that simulated intelligence ammeter or collector and descending micro power radio communication channel send signal to acquisition terminal, in order to obtain test result, also need to intercept unit and intercept the message that acquisition terminal sends, whether up to standard to judge the downlink communication performance of acquisition terminal; In addition, also need to be tested by the radio-frequency performance of frequency spectrograph to acquisition terminal.
For the downlink communication channel of other types communication protocol (as protocol of power line carrier communication), test macro shown in Fig. 2 also adopt above testing process (based on communication protocol need corresponding adjustment) downlink communication performance test is carried out to acquisition terminal, the application repeats no more.
Carry out communicating based on CDMA public network agreement for the uplink communication channel of acquisition terminal, the testing process of system shown in Figure 2 to acquisition terminal uplink communication channel is specific as follows: standard agreement signal source generates the baseband signal meeting CDMA public network agreement according to beacon frame corresponding to content measurement, and is transferred to comprehensive tester; Comprehensive tester is modulated the baseband signal received, and forms the aerial signal meeting CDMA public network agreement; Signal disturbing source cdma wireless communication channel that is virtually reality like reality applies interference to the aerial signal that comprehensive tester modulation is formed; Aerial signal after applying to disturb is transferred to acquisition terminal via the coupling plate of multifunctional electromagnetic wave cell; Above process simulates front end processor or main website and up cdma wireless communication channel to send signal to acquisition terminal, in order to obtain test result, also need to intercept unit and intercept the message that acquisition terminal sends, whether up to standard to judge the uplink communication performance of acquisition terminal; In addition, also need to be tested by the radio-frequency performance of frequency spectrograph to acquisition terminal.Test macro shown in Fig. 2 is tested the uplink communication based on other types communication protocol (as GPRS public network agreement or 230M private network agreement), its testing process and above testing process similar, the application repeats no more.
In a kind of preferred embodiment, in order to provide the automaticity of whole test process, as shown in Figure 3, industrial computer 31 can be set up in the test macro shown in Fig. 2, to connect and control criterion protocol signal source 21, comprehensive tester 22, signal disturbing source 23, to intercept unit 25, frequency spectrograph 26 and acquisition terminal co-ordination, by the cooperation control of industrial computer 31 to each device above-mentioned, this test macro will have higher testing efficiency.
Such as, set content measurement by industrial computer, and generate corresponding beacon frame according to content measurement; By industrial computer according to real uplink and downlink communication channel based on communication protocol standard agreement signal source is set, generate with control criterion protocol signal source and meet the baseband signal of respective communication agreement; By industrial computer according to real uplink and downlink communication channel based on communication protocol comprehensive tester is set, to control comprehensive tester according to corresponding communication protocol settling signal modulation work; Signal disturbing source is set according to real uplink and downlink communication channel by industrial computer, the interference energy uplink and downlink communication channel that is virtually reality like reality applied with control signal interference source; Control acquisition terminal by industrial computer to respond to generate message to the uplink and downlink signals received; By industrial computer according to content measurement to intercepting unit and frequency spectrograph sets, to control to intercept unit and frequency spectrograph completes corresponding test.
The work completed by industrial computer above also can be realized by equipment outside test macro shown in Fig. 2 or be realized by artificial, such as by tester according to content measurement to each device standard agreement signal source, comprehensive tester, signal disturbing source, intercept unit, frequency spectrograph etc. and set.
In a kind of preferred embodiment, as shown in Figure 3, industrial computer 31 is by general-purpose interface bus (General-PurposeInterface Bus, GPIB) comprehensive tester 22, signal disturbing source 23 and frequency spectrograph 26 is connected, to realize controlling the corresponding software in these devices.
In a kind of preferred embodiment, as shown in Figure 3, industrial computer 31 by 485 bus connection standards protocol signal sources 21, intercept unit 25 and acquisition terminal.
In a kind of preferred embodiment, as shown in Figure 3, frequency spectrograph 26 connects acquisition terminal by radio frequency line.
In a kind of preferred embodiment, as shown in Figure 3, intercept unit 25 and connect acquisition terminal by 485 buses.
In a kind of preferred embodiment, as shown in Figure 3, signal disturbing source 23 connects comprehensive tester 22 and acquisition terminal by radio frequency line.
In a kind of preferred embodiment, set up electric power system in a test system, this electric power system provides single-phase or three phase mains for acquisition terminal.
In a kind of preferred embodiment, standard agreement signal source also connects frequency spectrograph by radio frequency line.
Power information acquisition terminal uplink and downlink communication test macro provided by the invention, achieves the downlink communication performance test to acquisition terminal, comprises the test realizing radio-frequency performance, protocol conformance, interaction flow, business function and the performance such as to check meter.This test macro achieves the uplink communication performance test to acquisition terminal simultaneously, and it detects the detection that communication performance parameter achieves transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, burst power over time characteristic, bLock error rate (BLER) and the full performance such as Dependent Stability and interchangeability test comprising checking power grade.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogical block) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit, or device can pass through general processor, digital signal processor, application-specific integrated circuit (ASIC) (ASIC), field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the design of above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, such as digital signal processor and microprocessor, multi-microprocessor, and a Digital Signal Processor Core combined by one or more microprocessor, or other similar configuration any realizes.
The software module that method described in the embodiment of the present invention or the step of algorithm directly can embed hardware, processor performs or the combination of both.Software module can be stored in the storage medium of other arbitrary form in RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can from storage medium reading information, and write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary design, the above-mentioned functions described by the embodiment of the present invention can realize in the combination in any of hardware, software, firmware or this three.If realized in software, these functions can store on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instruction or code form.Computer readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to the communication medium in other place from a place.Storage medium can be that any general or special computer can the useable medium of access.Such as, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly may be used for carrying or store the medium that can be read the program code of form with instruction or data structure and other by general or special computer or general or special processor.In addition, any connection can be properly termed computer readable medium, such as, if software is by a coaxial cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with magnetic duplication data, and video disc carries out optical reproduction data with laser usually.Above-mentioned combination also can be included in computer readable medium.
Claims (10)
1. a power information acquisition terminal uplink and downlink communication test macro, is characterized in that, comprising:
Standard agreement signal source, for generate meet acquisition terminal uplink and downlink communication channel based on the baseband signal of communication protocol;
Comprehensive tester, connects described standard agreement signal source, for modulating described baseband signal, generates aerial signal;
Signal disturbing source, connects described comprehensive tester, for acquisition terminal uplink and downlink communication channel that is virtually reality like reality, applies interference to described aerial signal;
Multifunctional electromagnetic wave cell, for laying tested acquisition terminal to isolate external environment impact, receiving the described aerial signal after applying interference and being transferred to described acquisition terminal;
Intercept unit, connect described acquisition terminal, for receiving and testing the message that described acquisition terminal sends;
Frequency spectrograph, connects described acquisition terminal, for testing the radio-frequency performance of described acquisition terminal.
2. system according to claim 1, is characterized in that, described acquisition terminal downlink communication channel based on communication protocol be at least one in micro power radio communication agreement, protocol of power line carrier communication.
3. system according to claim 1, is characterized in that, described acquisition terminal uplink communication channel based on communication protocol be at least one in code division multiple access CDMA public network agreement, general packet radio service GPRS public network agreement, 230M private network agreement.
4. system according to claim 1, is characterized in that, also comprises:
Industrial computer, connect respectively and control described standard agreement signal source, described comprehensive tester, described signal disturbing source, described in intercept unit, described frequency spectrograph, described acquisition terminal.
5. system according to claim 4, is characterized in that, described industrial computer connects described comprehensive tester, described signal disturbing source and described frequency spectrograph by general-purpose interface bus GPIB.
6. system according to claim 4, is characterized in that, described industrial computer by 485 buses connect described standard agreement signal source, described in intercept unit and described acquisition terminal.
7. system according to claim 4, is characterized in that, described frequency spectrograph connects described acquisition terminal by radio frequency line.
8. system according to claim 4, is characterized in that, described in intercept unit and connect described acquisition terminal by 485 buses.
9. system according to claim 4, is characterized in that, described signal disturbing source connects described comprehensive tester and described acquisition terminal by radio frequency line.
10. system according to claim 1, is characterized in that, also comprises: electric power system, connects described acquisition terminal, for providing single-phase or three phase mains for described acquisition terminal.
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| CN201410776554.0A CN104579824A (en) | 2014-12-15 | 2014-12-15 | Uplink and downlink communication test system for electricity utilization information acquisition terminal |
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