CN102647239A - Test system for information acquisition wireless downlink channel network - Google Patents
Test system for information acquisition wireless downlink channel network Download PDFInfo
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- CN102647239A CN102647239A CN2012100765593A CN201210076559A CN102647239A CN 102647239 A CN102647239 A CN 102647239A CN 2012100765593 A CN2012100765593 A CN 2012100765593A CN 201210076559 A CN201210076559 A CN 201210076559A CN 102647239 A CN102647239 A CN 102647239A
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Abstract
The invention discloses a test system for an information acquisition wireless downlink channel network, which comprises a host machine, a concentrator shielding box connected with the host machine, a variable attenuator connected with the concentrator shielding box, a combining network module, a radio frequency cable and multiple collector screening box combinations, wherein the variable attenuator is connected with the concentrator shielding box; the variable attenuator and the collector shielding box are connected through the combining network module; the multiple combinations are connected through the combining network module; a radio frequency cable channel is arranged between a concentrator shielding device and a collector shielding device and used for communication; and the host machine controls the signal transmission distance of the radio frequency cable channel through regulating the attenuation amplitude of the variable attenuator, and regulates the hierarchy and route of a multilevel wireless network formed by a concentrator and a collector. The test system provided by the invention can be used for carrying out analysis and verification on the networking effect as well as network function and performance of the information acquisition wireless downlink channel network so as to obtain test results.
Description
Technical field
The present invention relates to the network test technical field, specially refer to a kind of information gathering downlink wireless channel network test macro.
Background technology
At present, national grid information gathering downlink wireless channel network adopts wireless self-organization network to realize that low-voltage power user power utilization information converges, transmits and communications network functionality such as mutual more.
Wireless self-organization network comprises two kinds of communication equipments, is installed in the global function central apparatus module and the simplification function substation EM equipment module that is installed in ammeter and collector of concentrator.Can communicate by letter between the central apparatus module of concentrator and the substation EM equipment module; Can transmit data between the EM equipment module of substation.Wireless self-organization network can be formed Star Network, tree network or MESH mesh network, and the concrete framework of network is confirmed by the central apparatus module of concentrator.
Yet; The stability of a system and the reliability of whole information gathering downlink wireless channel network are verified in the prior art, but the information gathering downlink wireless channel network test macro that a kind of analog network environment for use of proposition is evaluated and tested whole network becomes problem demanding prompt solution.
Summary of the invention
Main purpose of the present invention can be tested whole stability of network and reliability for a kind of information gathering downlink wireless channel network test macro is provided.
The present invention proposes a kind of information gathering downlink wireless channel network test macro, comprising: main frame, the concentrator shielded box that is connected with main frame, the variable attenuator that is connected with the concentrator shielded box, combining network module, radio frequency cable and collector shielded box assembly; Said variable attenuator is connected with the concentrator shielded box, and said combining network module is connected said variable attenuator and collector shielded box; Said assembly is a plurality of, is connected through said combining network module;
Between said concentrator shielding device and the collector shielding device radio frequency cable passage being set communicates; Said main frame is controlled the transmission range of radio frequency cable passage to signal through the attenuation amplitude of regulating variable attenuator, regulates the level and the route of the multistage wireless network of being set up by concentrator and collector.
Preferably, said applied in network performance test comprises:
Networking performance test, business function test, anti-interference and safety test and/or Network Management Function test.
Preferably, said networking performance test can comprise the test of network maximum hop count, coverage distance test and/or propagation delay time test and packet loss test.
Preferably, said business function test can comprise the business function test of checking meter.
Preferably, said anti-interference and safety test can comprise in the system with disturbed test each other between disturbed test frequently, adjacent disturbed test frequently and/or multisystem user.
Preferably, said main frame is initiated the wireless networking order of concentrator and collector through concentrator, and reception networking result carries out the networking performance test.
Preferably, said main frame is regulated wireless network routing relation, the intellectuality of checking wireless network through the regulated attenuator attenuation amplitude in the networking process.
Preferably, concentrator and the collector wireless network of said main frame after networking initiates to check meter order, obtains the success rate of checking meter.
Preferably, said main frame through the regulated attenuator attenuation amplitude, carries out the routing function test in the process of checking meter.
Preferably, be provided with between said main frame and the concentrator shielded box and be connected serial ports.
Test macro of the present invention can be under pure relatively electromagnetic shielding system; Set suitable attenuation amplitude through attenuator; Initiate networking commands through the radio concentrator module, networking effect and the network function of then breath being gathered the downlink wireless channel network carry out analysis verification acquisition test result with performance.Can regulate the level and the route of wireless network through the attenuator attenuation amplitude is set more in the networking process, further the intellectuality of verification system.Simultaneously, can be according to level of being regulated after the networking and routing relation,, check meter continuously and can come verification system reliability and applicability the operation of checking meter of terminal wireless module through man-machine interface according to the final success rate of checking meter.Can be through setting the check meter reliability of checking wireless transmission routing relation of different attenuation amplitudes.
Description of drawings
Fig. 1 is the structural representation of information gathering downlink wireless channel network test macro one embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, the present invention proposes a kind of information gathering downlink wireless channel network test macro one embodiment.This test macro can comprise: main frame 21, the concentrator shielded box 22 that is connected with main frame 21, the variable attenuator 23 that is connected with concentrator shielded box 22, combining network module 24, radio frequency cable 27 and collector shielded box 25 assemblys; This variable attenuator 23 is connected with concentrator shielded box 22, and this combining network module 24 is connected variable attenuator 23 and collector shielded box 25; This assembly is a plurality of, is connected through said combining network module 24;
Between concentrator shielding device 22 and the collector shielding device 25 the radio frequency cable passage being set communicates; This main frame 21 can be controlled the transmission range of radio frequency cable passage to signal through the attenuation amplitude of regulating variable attenuator 23, regulates the level and the route of the multistage wireless network of being set up by concentrator and collector with this.This main frame 21 is initiated the wireless networking order of concentrator and collector through concentrator, and reception networking result carries out the networking performance test.Be provided with between above-mentioned main frame 21 and the concentrator shielded box 22 and be connected serial ports 26.Above-mentioned radio frequency cable passage can be radio frequency cable 27; Be connected communication between above-mentioned concentrator shielded box 22, variable attenuator 23, combining network module 24 and the equipment such as collector shielded box 25, can carry out through radio frequency cable 27.
Information gathering downlink wireless channel network test macro in the present embodiment; Can be through the on-the-spot environment for use of simulation national grid information gathering downlink wireless channel network; Construct multistage (such as 7 grades) route test environment; Stability and reliability to whole information gathering downlink wireless channel network are verified, test the functions such as adaptation, transmission of wireless signals and route of whole information gathering wireless network to environment intuitively.This information gathering downlink wireless channel network is to be the wireless messages collection network that center control multistage (such as 6 grades) collector is set up with the concentrator.This information gathering can utilize multistage collector to transfer to concentrator, and then upload the electrical network center through collector to the ammeter terminal.
The user manipulates and transports for ease, but the integrated a whole set of test macro of design special rack.The production code member of this test macro can be FC830.The test macro standard configuration is three racks, and rack adopts 19 inches standard cabinet.Wherein, The I rack contains two concentrator shielded boxes 22 (FC830A), a collector shielded box 25 (FC830B) and corresponding variable attenuator 23 (FC830C) and combining network module 24 (FC830D), II number with the III rack respectively contain 3 collector shielded boxes 25 (FC830B) and corresponding variable attenuator 23 (FC830C) and combining network module 24 (FC830D).
Above-mentioned main frame 21 can be initiated test, and in test, the miscellaneous equipment in the test macro is controlled, and finally can obtain test result.
Above-mentioned concentrator shielded box 22 can have the inhibition above 70dB to the radio signal below the 800MHz frequency, and pure relatively radio darkroom environment can be provided, and reduces the interference of extraneous radio wave.This concentrator shielded box 22 can be provided with induction antenna, serial ports extended line and DC power supply etc.
Above-mentioned variable attenuator 23 can be adjustable radio frequency attenuator, can suitable pad value be set through regulating variable attenuator 23, simulates the transmission attenuation performance of radio signal in the actual environment.
Above-mentioned combining network module 24 can realize that to radiofrequency signal function along separate routes through increasing power distribution of work device, each layer can connect a plurality of shielding test boxs, can realize more massive network verification.
Above-mentioned collector shielded box 25 can have the inhibition above 70dB to the radio signal below the 800MHz frequency, and pure relatively radio darkroom environment can be provided, and reduces the interference of extraneous radio wave.This collector shielded box 25 can be provided with induction antenna, serial ports extended line and DC power supply etc.
Above-mentioned variable attenuator 23, combining network module 24 can form the testing group zoarium with collector shielded box 25, in the information gathering downlink wireless channel network to be tested what grade collectors are arranged, but then the testing group of relative set equal number is fit.
Test form in the present embodiment can comprise test of single net simulated behavior and the test of many nets (such as two) simulated behavior.This list net is the wireless network that a concentrator and multistage collector are set up, and these many nets are a plurality of wireless networks that a plurality of concentrators are set up with multistage collector respectively.
Above-mentioned content measurement can comprise: networking performance test, business function test, anti-interference and safety test and Network Management Function test.The test of this networking performance can comprise: the test of network maximum hop count, coverage distance test (should be respectively sighting distance and two kinds of situation of non line of sight being provided the relation of distance and bandwidth under the fixing situation), propagation delay time is tested and packet loss test etc.This business function test can comprise: the business function test etc. of checking meter.This anti-interference and safety test can comprise: in the system with disturbed test and other security test etc. each other between disturbed test frequently, adjacent disturbed test frequently, multisystem user.This Network Management Function test can comprise: whether support the network management function test, but every function of its DCO webmaster.
Above-mentioned network maximum hop count test, the equipment of test comprises main frame 21, concentrator, collector and ammeter etc.This testing procedure is: main frame 21 sends the order that wireless network makes up through 26 pairs of concentrators of serial ports; Check the communication module operating state of each equipment; Data can be carried out bidirectional data transfers according to the path of regulating, and copy reading is to the electric energy meter data; The communication module of intermediate equipment outage arbitrarily, because the path is imperfect, the data communication failure.In the present embodiment, when 7 grades of routes of wireless network are complete, can success communication, check meter; When the communication module power down of any equipment in the wireless network route, communication path is imperfect, communication failure.
Above-mentioned coverage distance test, the equipment of test comprises main frame 21, concentrator, collector and ammeter etc.This testing procedure is: main frame 21 is through 7 grades of routes of software construction; Constantly send 7 grades of routing commands of structure through 26 pairs of concentrators of serial ports; Under open environment (sighting distance) and non-open environment, strengthen 1 grade, 2 grades gradually ... The air line distance of 7 grades of modules; When writing down 7 grades of routes, maximum communication coverage.Under open environment (sighting distance), the covering radius of 7 grades of routes is not less than 4Km; Under non-open environment, coverage is relevant with concrete environment, and 7 grades of route covering radiuss are not less than 1Km.
Above-mentioned propagation delay time test and packet loss test, the equipment of test comprises main frame 21, concentrator, a plurality of (such as 10) collector and a plurality of (such as 10) ammeter etc.Concentrator and 10 collectors are from organizing wireless network, and this collector is also corresponding one by one with ammeter.This test is: main frame 21 starts test, statistics every layer of average retardation of wireless network and packet drop.
The above-mentioned business function test of checking meter is specially: main frame 21 control concentrators carry out meter reading, then with ammeter in numerical value compare, check whether reading correct; Be no less than 400 copy readings altogether, each copy reading is not less than 30 minutes, statistical system copy reading success rate at interval.
Above-mentioned anti-interference and safety test, the equipment of test comprise main frame 21, concentrator, a plurality of (such as 10) collector, a plurality of (such as 10) ammeter and jamming equipment etc.This testing procedure is: after starting test, specified node is checked meter; The unlatching jamming equipment disturbs certain frequency of working channel group (disturbing with frequency in the system), and whether detection checks meter normal; Open jamming equipment, produce operating frequency group adjacent channel frequency (face outside the system frequently and disturb), whether detection checks meter normal.
Above-mentioned Network Management Function test, the equipment of test comprises main frame 21, concentrator, a plurality of (such as 10) collector and a plurality of (such as 10) ammeter etc.This testing procedure is: main frame 21 can be carried out network and divide test, the interpolation of node and deletion management; The test of checking meter; Initiatively report test; On-air testing etc.
Above-mentioned test macro can be under pure relatively electromagnetic shielding system; Set suitable attenuation amplitude through attenuator; Initiate networking commands through the radio concentrator module, networking effect and the network function of then breath being gathered the downlink wireless channel network carry out analysis verification acquisition test result with performance.Can through being set, the attenuator attenuation amplitude regulate the level and the routing relation of wireless network, the further intellectuality of verification system more in the networking process.Simultaneously, can be according to level of being regulated after the networking and routing relation,, check meter continuously and can come verification system reliability and applicability the operation of checking meter of terminal wireless module through man-machine interface according to the final success rate of checking meter.Can be through setting the check meter reliability of checking wireless transmission routing relation of different attenuation amplitudes.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. information gathering downlink wireless channel network test macro; It is characterized in that, comprising: main frame, the concentrator shielded box that is connected with main frame, the variable attenuator that is connected with the concentrator shielded box, combining network module, radio frequency cable and collector shielded box assembly; Said variable attenuator is connected with the concentrator shielded box, and said combining network module is connected said variable attenuator and collector shielded box; Said assembly is a plurality of, is connected through said combining network module;
Between said concentrator shielding device and the collector shielding device radio frequency cable passage being set communicates; Said main frame is controlled the transmission range of radio frequency cable passage to signal through the attenuation amplitude of regulating variable attenuator, regulates the level and the route of the multistage wireless network of being set up by concentrator and collector.
2. information gathering downlink wireless channel network test macro according to claim 1 is characterized in that said applied in network performance test comprises:
Networking performance test, business function test, anti-interference and safety test and/or Network Management Function test.
3. information gathering downlink wireless channel network test macro according to claim 2 is characterized in that, said networking performance test pack includes network maximum transmitted jumping figure test, coverage distance test and/or propagation delay time test and packet loss test.
4. information gathering downlink wireless channel network test macro according to claim 2 is characterized in that, said business function test comprises the business function test of checking meter.
5. information gathering downlink wireless channel network test macro according to claim 2 is characterized in that, said anti-interference and safety test comprises in the system with disturbed test each other between disturbed test frequently, adjacent disturbed test frequently and/or multisystem user.
6. information gathering downlink wireless channel network test macro according to claim 2 is characterized in that, said main frame is initiated the wireless networking order of concentrator and collector through concentrator, and reception networking result carries out the networking performance test.
7. information gathering downlink wireless channel network test macro according to claim 6 is characterized in that, said main frame is regulated wireless network routing relation, the intellectuality of checking wireless network through the regulated attenuator attenuation amplitude in the networking process.
8. information gathering downlink wireless channel network test macro according to claim 2 is characterized in that, concentrator and the collector wireless network of said main frame after networking initiates to check meter order, obtains the success rate of checking meter.
9. information gathering downlink wireless channel network test macro according to claim 8 is characterized in that, said main frame through the regulated attenuator attenuation amplitude, carries out the routing function test in the process of checking meter.
10. information gathering downlink wireless channel network test macro according to claim 1 is characterized in that, is provided with between said main frame and the concentrator shielded box to be connected serial ports.
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| CN103700244A (en) * | 2013-12-03 | 2014-04-02 | 国家电网公司 | Power line carrier type meter reading and networking test system |
| CN103840982A (en) * | 2012-11-27 | 2014-06-04 | 国家电网公司 | Route testing method and device |
| CN103840895A (en) * | 2012-11-27 | 2014-06-04 | 国家电网公司 | Frequency hopping testing method and device |
| CN103841598A (en) * | 2012-11-27 | 2014-06-04 | 国家电网公司 | Network access test method and device |
| CN104717022A (en) * | 2015-03-20 | 2015-06-17 | 国家电网公司 | Micropower wireless communication device anti-interference testing device for short-distance electric power communication |
| CN104811992A (en) * | 2015-04-24 | 2015-07-29 | 国网冀北电力有限公司电力科学研究院 | Micropower wireless communication network relay mode test device for short distance electric power communication |
| CN104955081A (en) * | 2015-07-08 | 2015-09-30 | 中国电力科学研究院 | Programmable attenuation system and method for micro-power wireless communication testing |
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| CN109495196A (en) * | 2019-01-03 | 2019-03-19 | 深圳市吉祥腾达科技有限公司 | MESH product wireless network bandwidth automatically switches characteristic test system and method |
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| CN103840895A (en) * | 2012-11-27 | 2014-06-04 | 国家电网公司 | Frequency hopping testing method and device |
| CN103841598A (en) * | 2012-11-27 | 2014-06-04 | 国家电网公司 | Network access test method and device |
| CN103841598B (en) * | 2012-11-27 | 2018-04-03 | 国家电网公司 | Network access testing method and device |
| CN103840895B (en) * | 2012-11-27 | 2016-02-03 | 国家电网公司 | Frequency hopping method of testing and device |
| CN103700244A (en) * | 2013-12-03 | 2014-04-02 | 国家电网公司 | Power line carrier type meter reading and networking test system |
| CN104717022A (en) * | 2015-03-20 | 2015-06-17 | 国家电网公司 | Micropower wireless communication device anti-interference testing device for short-distance electric power communication |
| CN104811992A (en) * | 2015-04-24 | 2015-07-29 | 国网冀北电力有限公司电力科学研究院 | Micropower wireless communication network relay mode test device for short distance electric power communication |
| CN105118286A (en) * | 2015-06-30 | 2015-12-02 | 云南电网有限责任公司昆明供电局 | Power line broadband carrier communication module seven-stage relay communication testing system |
| CN104955081A (en) * | 2015-07-08 | 2015-09-30 | 中国电力科学研究院 | Programmable attenuation system and method for micro-power wireless communication testing |
| CN106815991A (en) * | 2015-11-30 | 2017-06-09 | 深圳友讯达科技股份有限公司 | Radiofrequency signal multilink analogue means |
| CN105551231A (en) * | 2015-12-30 | 2016-05-04 | 国网浙江省电力公司电力科学研究院 | Collector detection device |
| CN105551231B (en) * | 2015-12-30 | 2019-03-26 | 国网浙江省电力公司电力科学研究院 | A kind of collector detection device |
| CN105656518A (en) * | 2016-03-23 | 2016-06-08 | 贵州电网有限责任公司电力科学研究院 | Power line carrier wave routing simulating and testing platform and testing method |
| CN105933074A (en) * | 2016-06-01 | 2016-09-07 | 国网河北省电力公司电力科学研究院 | Test method for coverage distance of micropower communication module |
| CN107462341A (en) * | 2017-07-31 | 2017-12-12 | 成都众邦凯测科技有限公司 | A kind of jamproof vibratory string acquisition system |
| CN109004957A (en) * | 2018-08-01 | 2018-12-14 | 厦门四联信息技术有限公司 | A kind of power carrier concentrator based on Internet of Things |
| CN109495196A (en) * | 2019-01-03 | 2019-03-19 | 深圳市吉祥腾达科技有限公司 | MESH product wireless network bandwidth automatically switches characteristic test system and method |
| CN109495196B (en) * | 2019-01-03 | 2023-10-10 | 深圳市吉祥腾达科技有限公司 | System and method for testing wireless network bandwidth automatic switching characteristics of MESH product |
| CN113676367A (en) * | 2021-07-10 | 2021-11-19 | 宁夏隆基宁光仪表股份有限公司 | Assembly line detection method, equipment and system for intelligent water meter performance and shielding box |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid Metering Center Patentee after: Shenzhen D-link reaches Science and Technology Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: State Grid Metering Center Patentee before: Shenzhen Friendcom Technology Development Co., Ltd. |