CN204258803U - Carrier communication equipment electric performance test system - Google Patents
Carrier communication equipment electric performance test system Download PDFInfo
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- CN204258803U CN204258803U CN201420640718.2U CN201420640718U CN204258803U CN 204258803 U CN204258803 U CN 204258803U CN 201420640718 U CN201420640718 U CN 201420640718U CN 204258803 U CN204258803 U CN 204258803U
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- 238000004891 communication Methods 0.000 title claims abstract description 94
- 238000011056 performance test Methods 0.000 title claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 94
- 238000005259 measurement Methods 0.000 claims abstract description 56
- 238000005304 joining Methods 0.000 claims abstract description 31
- 238000001228 spectrum Methods 0.000 claims description 18
- 230000004044 response Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000010923 batch production Methods 0.000 abstract description 3
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- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of carrier communication equipment electric performance test system, comprise power conditioner, join survey V-type artificial mains network, tested V-type artificial mains network, variable attenuation network, Test Host, join measurement equipment and tested carrier communication equipment.Join between measurement equipment and tested carrier communication equipment and form carrier channel; Test Host is used for sending test instruction to joining measurement equipment, when test instruction is receptivity test instruction, test instruction is joined measurement equipment for control and is sent the first copy reading instruction to tested carrier communication equipment by carrier channel, replys the first corresponding meter reading data to make tested carrier communication equipment respond the first copy reading instruction by carrier channel to joining measurement equipment; Join measurement equipment for the first meter reading data is sent to Test Host, analyze the first meter reading data by Test Host and obtain receptivity test result.System of the present utility model, testing efficiency is high, is conducive to batch production and the test of carrier communication equipment.
Description
Technical field
The utility model relates to carrier communication field, particularly a kind of carrier communication equipment electric performance test system.
Background technology
Power-line carrier communication is a kind of communication mode utilizing power line transmission data and voice signal.Specifically, this technology is that the high-frequency signal of carrying information is loaded on electric current, and then use wire transfer, the modulator-demodulator of receiving information is separated high frequency from electric current again, and is sent to computer or phone, to realize information transmission.Have and no longer need any new track laying, arbitrarily access, the advantages such as wide coverage.
In recent years, along with the development of intelligent power grid technology, the power information acquisition system power application line carrier communication technology in intelligent grid realizes the collection of user power utilization information.But the height decay on power line, strong noise, feature that time variation is large are again the huge technology barriers of power-line carrier communication.In addition, the application of power line carrier technology is subject to again carrier frequency, launches the restriction of the index such as amplitude, harmonic pollution, so, proposes a series of requirement and standard for the research and development of power line carrier communication product, design, production.At present, on market most of power line carrier communication product do not have a set of can from researching and developing to the test macro produced in batches, the cycle of research and development of products, production and cost are comparatively large, thus, are necessary to provide a kind of test macro that can be used in the test of power line carrier communication properties of product.
Utility model content
Main purpose of the present utility model is, for above-mentioned deficiency of the prior art, provides a kind of carrier communication equipment electric performance test system.
The utility model solves the technical scheme that prior art problem adopts: a kind of carrier communication equipment electric performance test system, comprises power conditioner, joins and survey V-type artificial mains network, tested V-type artificial mains network, variable attenuation network, Test Host, join measurement equipment and tested carrier communication equipment;
Wherein, described join survey V-type artificial mains network, the input of tested V-type artificial mains network is connected with power conditioner respectively by the first power line, the described output surveying V-type artificial mains network of joining is connected with described measurement equipment of joining by the second power line, for providing power supply for described measurement equipment of joining; The output of described tested V-type artificial mains network is connected with described tested carrier communication equipment, for providing power supply for described tested carrier communication equipment by the 3rd power line;
Measurement equipment is joined described in being connected to by described second power line in described variable attenuation network one end, the other end is connected to tested carrier communication equipment by described 3rd power line, carrier channel is formed, for carrying out signal attenuation to the carrier signal transmitted in described carrier channel according to setting pad value to join between measurement equipment and described tested carrier communication equipment described in making;
Described Test Host is connected with described measurement equipment of joining, for sending test instruction to described measurement equipment of joining, when described test instruction is receptivity test instruction, described test instruction sends the first copy reading instruction to tested carrier communication equipment for joining measurement equipment described in controlling by described carrier channel, replys the first corresponding meter reading data to make the described tested carrier communication equipment described first copy reading instruction of response by described carrier channel to described measurement equipment of joining;
Described measurement equipment of joining, for described first meter reading data is sent to described Test Host, is analyzed described first meter reading data by described Test Host and obtains receptivity test result.
Preferably, described test macro also comprises spectrum analyzer, and described spectrum analyzer is connected with described tested V-type artificial mains network and Test Host;
When described test instruction is emitting performance test instruction, described test instruction sends the second copy reading instruction to tested carrier communication equipment for joining measurement equipment described in controlling by described carrier channel, replys the second corresponding meter reading data to make the described tested carrier communication equipment described second copy reading instruction of response by described carrier channel to described measurement equipment of joining;
Described Test Host also catches instruction for sending to described spectrum analyzer, catches and analyzes the second meter reading data that described tested carrier communication equipment replys, obtain emitting performance test result to make described spectrum analyzer respond described seizure instruction.
Preferably, described power conditioner is three-phase alternating current power conditioner, the output of described three-phase alternating current power conditioner is connected with phase selection unit, described in join and survey V-type artificial mains network and tested V-type artificial mains network and be connected with described phase selection unit by described first power line.
Preferably, described variable attenuation network comprises attenuator array module, described attenuator array model calling to slave computer control board; Described slave computer control board is connected with described Test Host, and the attenuator that the control command for sending according to described Test Host controls described attenuator array model choice corresponding accesses described carrier channel.
Preferably, described test macro also comprises analog cable, and described analog cable is connected with described attenuator array block coupled in series.
Preferably, measurement equipment is joined described in for copying control device or concentrator.
Preferably, described tested carrier communication equipment is radio ammeter or wireless collection device.
Preferably, described receptivity test result comprises receiving sensitivity, and described emitting performance test result comprises frequency of carrier signal and/or carrier signal output level.
The beneficial effects of the utility model are: the carrier communication equipment electric performance test system and method that the utility model provides, can the operational environment of analog carrier communication equipment, realize the wireless collection device in intelligent grid, the carrier communication equipments such as radio ammeter carry out the test of emitting performance and receptivity, to judge whether each phase performance index of carrier communication equipment meet criterion of acceptability, so, its testing efficiency is high, be conducive to batch production and the test of carrier communication equipment, simultaneously, wireless collection device can be guaranteed, the carrier communication equipment stable performances such as radio ammeter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment carrier communication equipment electric performance test system;
Fig. 2 is the structural representation of another embodiment carrier communication equipment electric performance test system of the utility model;
Fig. 3 is the structural representation of the utility model another embodiment carrier communication equipment electric performance test system;
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
With reference to shown in Fig. 1, the utility model embodiment provides a kind of carrier communication equipment electric performance test system, is mainly used in carrying out electric performance test to carrier communication equipments such as wireless collection device, radio ammeters in intelligent grid.This test macro specifically comprises power conditioner, join and survey V-type artificial mains network 11, tested V-type artificial mains network 12, variable attenuation network 16, Test Host 15, join measurement equipment 13 and tested carrier communication equipment 14.
Specifically, join survey V-type artificial mains network 11, the input of tested V-type artificial mains network 12 is connected with power conditioner respectively by the first power line.Join the output of surveying V-type artificial mains network 11 by the second power line with join measurement equipment 13 and be connected, for providing power supply for joining measurement equipment 13.The output of tested V-type artificial mains network 12 is connected with tested carrier communication equipment 14, for providing power supply for tested carrier communication equipment 14 by the 3rd power line.Wherein, power conditioner can adopt conventional AC power, simultaneously, also high-performance separation purifying power supply can be adopted, when adopting conventional AC power, an isolator can be connected at the output of power conditioner, by the noise on isolator isolation electrical network, provide relatively stable, a clean environment to test macro.And when adopting high-performance separation purifying power supply, then can save isolator.
Variable attenuation network 16 one end is connected to by the second power line joins measurement equipment 13, the other end is connected to tested carrier communication equipment 14 by the 3rd power line, carrier channel is formed, for carrying out signal attenuation to the carrier signal transmitted in carrier channel according to setting pad value to make to join between measurement equipment 13 and tested carrier communication equipment 14.Wherein, due to the carrier frequency the adopted difference of the carrier communication equipment that different manufacturers is produced, so, the frequency characteristic of variable attenuation network 16 will meet the frequency range requirement of tested carrier communication equipment 14, the frequency of such as variable attenuation network 16 is 5kHz-500kHz, attenuation amplitude is-90dB-0dB, to adapt to the carrier communication equipment of the production of multiple producer.
It should be noted that, in the utility model, tested carrier communication equipment 14 can be applied in intelligent grid the radio ammeter or collector etc. that gather user power utilization information.Due to tested carrier communication equipment 14 in actual applications, by power line transmission carrier signal, so, in order to test the carrier communication performance of tested carrier communication equipment 14, the utility model needs the operational environment of simulating tested communication equipment reality, thus, join between measurement equipment 13 with tested carrier communication equipment 14 and be connected by the second power line and the 3rd power line, form carrier channel with this.Variable attenuation network 16 is then arranged in carrier channel, in order to simulate the carrier signal decay in actual working environment.
Test Host 15 with join measurement equipment and be connected, for sending test instruction to joining measurement equipment 13.Test Host 15 by serial bus (as R232 bus) with join measurement equipment 13 and be connected, test instruction is sent in rs 232 serial interface signal mode joins measurement equipment 13.
When test instruction is receptivity test instruction, test instruction is joined measurement equipment 13 for control and is sent the first copy reading instruction to tested carrier communication equipment 14 by carrier channel, replys the first corresponding meter reading data to make tested carrier communication equipment 14 respond the first copy reading instruction by carrier channel to joining measurement equipment 13.
That is, when testing for receptivity, join measurement equipment 13 after the receptivity test instruction receiving Test Host 15 transmission, the first copy reading instruction is sent to tested carrier communication equipment 14, particularly, this first copy reading instruction transfers to tested carrier equipment in carrier signal mode via carrier channel, because the variable attenuation network 16 in carrier channel is preset with corresponding pad value, so carrier signal arrives tested carrier communication equipment 14 after carrier channel decay.After equipment under test receives the first copy reading instruction, reply the first copy reading instruction immediately and send the first meter reading data to joining measurement equipment 13, in like manner, this first meter reading data joins measurement equipment 13 in carrier signal mode via transferring to after carrier channel decay.
Joining measurement equipment 13 can for copying control device or concentrator etc.This joins measurement equipment 13 for the first meter reading data is sent to Test Host 15, analyzes the first meter reading data and obtain receptivity test result by Test Host 15.That is, when testing for receptivity, joining measurement equipment 13 needs the first meter reading data by tested carrier communication equipment 14 is replied to feed back to Test Host 15, then analyzes receptivity by Test Host 15.
Be understandable that, receptivity test result comprises receiving sensitivity etc.General, the carrier signal of test process can by the attenuator of setting pad value (such as-70dB), then be qualified.
With reference to shown in Fig. 3, in an embodiment of the present utility model, test macro also comprises spectrum analyzer 20, and this spectrum analyzer 20 is connected with tested V-type artificial mains network 12 and Test Host 15.Concrete, be connected by RF cable between spectrum analyzer 20 with tested V-type artificial mains network 12, be connected by gpib bus between spectrum analyzer 20 with Test Host 15.In addition, spectrum analyzer 20 can adopt the model of Agilent company to be the spectrum analyzer 20 of N9010A or E4402B, and its frequency should cover the frequency of tested carrier communication equipment 14, and such as its frequency can be 3k-3GHz.
When described test instruction is emitting performance test instruction, this test instruction is joined measurement equipment 13 for control and is sent the second copy reading instruction to tested carrier communication equipment 14 by carrier channel, replys the second corresponding meter reading data to make tested carrier communication equipment 14 respond the second copy reading instruction by carrier channel to joining measurement equipment 13.
That is, when testing for emitting performance, join measurement equipment 13 after the emitting performance test instruction receiving Test Host 15 transmission, the second copy reading instruction is sent to tested carrier communication equipment 14, particularly, this second copy reading instruction transfers to tested carrier equipment in carrier signal mode via carrier channel, because the variable attenuation network 16 in carrier channel is preset with corresponding pad value, so carrier signal arrives tested carrier communication equipment 14 after carrier channel decay.After equipment under test receives the second copy reading instruction, reply the second copy reading instruction immediately and send the second meter reading data to joining measurement equipment 13.
It should be noted that, when emitting performance is tested, as long as tested carrier communication equipment 14 can receive and respond the second copy reading instruction of joining measurement equipment 13 and sending, therefore, second copy reading instruction in carrier signal mode through carrier channel, can decay be set, also can without decay, if arrange decay.
Test Host 15 also catches instruction for sending to described spectrum analyzer 20, responds and catches instruction and catch and analyze the second meter reading data that tested carrier communication equipment 14 replys, obtain emitting performance test result to make spectrum analyzer 20.That is, tested carrier communication equipment 14 to join measurement equipment 13 reply the second meter reading data time, spectrum analyzer 20 catches the second meter reading data immediately, and analyzes the second meter reading data to obtain emitting performance test result.
Be understandable that, emitting performance test result comprises frequency of carrier signal and/or carrier signal output level.General, by spectrum analyzer 20 analytic signal frequency characteristic and/or power output, reach the technical requirement on design of each producer, namely centre carrier frequency deviation, power output are in the scope of technical requirement on design, and to meet national standard be qualified.
With reference to shown in Fig. 2, Fig. 3, in a specific embodiment of the present utility model, power conditioner adopts three-phase alternating current power conditioner 10, accordingly, the output of three-phase alternating current power conditioner 10 is connected with phase selection unit 17, joins to survey V-type artificial mains network 11 and tested V-type artificial mains network 12 is connected with phase selection unit 17 by the first power line.So, select one in three-phase as carrier channel by phase selection unit 17.
In an embodiment of the present utility model, variable attenuation network 16 comprises attenuator array 161 module, attenuator array 161 model calling to slave computer control board 18.Slave computer control board 18 is connected with Test Host 15, and the control command for sending according to Test Host 15 controls attenuator access carrier channel corresponding to attenuator array 161 model choice.Particularly, attenuator array 161 module can be connected with slave computer control board 18 by parallel control bus, and slave computer control board 18 can be connected with Test Host 15 by R485 bus.Control slave computer control board 18 by the control command of Test Host 15 and regulate and control attenuator array 161 module, to select the attenuator access carrier channel of default pad value, to complete corresponding decay.
In another embodiment of the present utility model, test macro also comprises analog cable 19, and analog cable 19 is connected with attenuator array 161 block coupled in series.This analog cable 19 is disturbed for simulating the path transmission of tested carrier communication equipment 14 in actual working environment, to provide the accuracy of test.
According to the carrier communication equipment electric performance test system that the utility model embodiment provides, can the operational environment of analog carrier communication equipment, realize the test carrier communication equipment such as wireless collection device, radio ammeter in intelligent grid being carried out to emitting performance and receptivity, to judge whether each phase performance index of carrier communication equipment meet criterion of acceptability, so, its testing efficiency is high, be conducive to batch production and the test of carrier communication equipment, meanwhile, the carrier communication equipment stable performances such as wireless collection device, radio ammeter can be guaranteed.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment when not departing from principle of the present utility model and aim, revising, replacing and modification in scope of the present utility model.
Claims (8)
1. a carrier communication equipment electric performance test system, is characterized in that, comprises power conditioner, joins and survey V-type artificial mains network, tested V-type artificial mains network, variable attenuation network, Test Host, join measurement equipment and tested carrier communication equipment;
Wherein, described join survey V-type artificial mains network, the input of tested V-type artificial mains network is connected with power conditioner respectively by the first power line, the described output surveying V-type artificial mains network of joining is connected with described measurement equipment of joining by the second power line, for providing power supply for described measurement equipment of joining; The output of described tested V-type artificial mains network is connected with described tested carrier communication equipment, for providing power supply for described tested carrier communication equipment by the 3rd power line;
Measurement equipment is joined described in being connected to by described second power line in described variable attenuation network one end, the other end is connected to tested carrier communication equipment by described 3rd power line, carrier channel is formed, for carrying out signal attenuation to the carrier signal transmitted in described carrier channel according to setting pad value to join between measurement equipment and described tested carrier communication equipment described in making;
Described Test Host is connected with described measurement equipment of joining, for sending test instruction to described measurement equipment of joining, when described test instruction is receptivity test instruction, described test instruction sends the first copy reading instruction to tested carrier communication equipment for joining measurement equipment described in controlling by described carrier channel, replys the first corresponding meter reading data to make the described tested carrier communication equipment described first copy reading instruction of response by described carrier channel to described measurement equipment of joining;
Described measurement equipment of joining, for described first meter reading data is sent to described Test Host, is analyzed described first meter reading data by described Test Host and obtains receptivity test result.
2. carrier communication equipment electric performance test system according to claim 1, it is characterized in that, described test macro also comprises spectrum analyzer, and described spectrum analyzer is connected with described tested V-type artificial mains network and Test Host;
When described test instruction is emitting performance test instruction, described test instruction sends the second copy reading instruction to tested carrier communication equipment for joining measurement equipment described in controlling by described carrier channel, replys the second corresponding meter reading data to make the described tested carrier communication equipment described second copy reading instruction of response by described carrier channel to described measurement equipment of joining;
Described Test Host also catches instruction for sending to described spectrum analyzer, catches and analyzes the second meter reading data that described tested carrier communication equipment replys, obtain emitting performance test result to make described spectrum analyzer respond described seizure instruction.
3. carrier communication equipment electric performance test system according to claim 1, it is characterized in that, described power conditioner is three-phase alternating current power conditioner, the output of described three-phase alternating current power conditioner is connected with phase selection unit, described in join and survey V-type artificial mains network and tested V-type artificial mains network and be connected with described phase selection unit by described first power line.
4. carrier communication equipment electric performance test system according to claim 1, is characterized in that, described variable attenuation network comprises attenuator array module, described attenuator array model calling to slave computer control board; Described slave computer control board is connected with described Test Host, and the attenuator that the control command for sending according to described Test Host controls described attenuator array model choice corresponding accesses described carrier channel.
5. carrier communication equipment electric performance test system according to claim 4, it is characterized in that, described test macro also comprises analog cable, and described analog cable is connected with described attenuator array block coupled in series.
6. carrier communication equipment electric performance test system according to any one of claim 1 to 5, is characterized in that, described in join measurement equipment for copying control device or concentrator.
7. carrier communication equipment electric performance test system according to any one of claim 1 to 5, is characterized in that, described tested carrier communication equipment is radio ammeter or wireless collection device.
8. carrier communication equipment electric performance test system according to claim 2, is characterized in that, described receptivity test result comprises receiving sensitivity, and described emitting performance test result comprises frequency of carrier signal and/or carrier signal output level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420640718.2U CN204258803U (en) | 2014-10-30 | 2014-10-30 | Carrier communication equipment electric performance test system |
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| CN201420640718.2U CN204258803U (en) | 2014-10-30 | 2014-10-30 | Carrier communication equipment electric performance test system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634551A (en) * | 2014-10-30 | 2016-06-01 | 国家电网公司 | Carrier wave communication equipment electrical property test system and method |
| CN108768451A (en) * | 2018-04-28 | 2018-11-06 | 华立科技股份有限公司 | power line carrier integrated test system and test method |
| CN108809357A (en) * | 2018-05-05 | 2018-11-13 | 杭州得诚电力科技股份有限公司 | A kind of power carrier communication scene inspection device |
| CN110309069A (en) * | 2019-06-24 | 2019-10-08 | 中国航空无线电电子研究所 | Test case dynamically load and control tool |
-
2014
- 2014-10-30 CN CN201420640718.2U patent/CN204258803U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634551A (en) * | 2014-10-30 | 2016-06-01 | 国家电网公司 | Carrier wave communication equipment electrical property test system and method |
| CN108768451A (en) * | 2018-04-28 | 2018-11-06 | 华立科技股份有限公司 | power line carrier integrated test system and test method |
| CN108768451B (en) * | 2018-04-28 | 2021-07-20 | 华立科技股份有限公司 | Power line carrier integrated test system and test method |
| CN108809357A (en) * | 2018-05-05 | 2018-11-13 | 杭州得诚电力科技股份有限公司 | A kind of power carrier communication scene inspection device |
| CN108809357B (en) * | 2018-05-05 | 2021-03-23 | 杭州得诚电力科技股份有限公司 | Power line carrier communication field inspection device |
| CN110309069A (en) * | 2019-06-24 | 2019-10-08 | 中国航空无线电电子研究所 | Test case dynamically load and control tool |
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