CN204156855U - Carrier communication success rate test macro - Google Patents
Carrier communication success rate test macro Download PDFInfo
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- CN204156855U CN204156855U CN201420640067.7U CN201420640067U CN204156855U CN 204156855 U CN204156855 U CN 204156855U CN 201420640067 U CN201420640067 U CN 201420640067U CN 204156855 U CN204156855 U CN 204156855U
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- 238000004891 communication Methods 0.000 title claims abstract description 94
- 238000012360 testing method Methods 0.000 title claims abstract description 86
- 238000005259 measurement Methods 0.000 claims abstract description 48
- 238000005304 joining Methods 0.000 claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000010923 batch production Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of carrier communication success rate test macro, comprise power conditioner, join survey V-type artificial mains network, tested V-type artificial mains network, variable attenuation network, noise source, noise coupling device, 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, test instruction is used for control and joins measurement equipment by carrier channel transmission copy reading instruction to tested carrier communication equipment, to make tested carrier communication equipment respond copy reading instruction by carrier channel to joining meter reading data corresponding to measurement equipment reply; Join measurement equipment for meter reading data is sent to described Test Host, analyze meter reading data by Test Host and whether interpretation copy reading is successful, and according to copy reading successful number of times statistics communication success rate.Testing efficiency of the present utility model 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 success rate test macro.
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 product communication success rate.
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 success rate test macro.
The utility model solves the technical scheme that prior art problem adopts: a kind of carrier communication success rate test macro, comprises power conditioner, joins and survey V-type artificial mains network, tested V-type artificial mains network, variable attenuation network, noise source, noise coupling device, 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 noise source is connected with described noise coupling device, and described noise coupling device is connected with described 3rd power line, for the noise coupling extremely described carrier channel described noise source produced;
Described Test Host is connected with described measurement equipment of joining, for sending test instruction to described measurement equipment of joining, described test instruction joins measurement equipment by described carrier channel transmission copy reading instruction to tested carrier communication equipment, to make described tested carrier communication equipment respond described copy reading instruction by described carrier channel to described meter reading data corresponding to measurement equipment reply of joining described in controlling;
Described measurement equipment of joining, for described meter reading data is sent to described Test Host, analyzes described meter reading data by described Test Host and whether interpretation copy reading is successful, and according to copy reading successful number of times statistics communication success rate.
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, also comprise the variable load be connected on described 3rd power line, described variable load is connected with described slave computer control board, controls described variable load select corresponding described 3rd power line of load access by described slave computer control board.
Preferably, also comprise analog cable, 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.
The beneficial effects of the utility model are: the carrier communication success rate test macro that the utility model provides, can the operational environment of analog carrier communication equipment, realize the test to the carrier communication equipment such as wireless collection device, the radio ammeter communication success rate in intelligent grid, to judge whether the communication performance of carrier communication equipment meets criterion of acceptability, 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment carrier communication success rate test macro;
Fig. 2 is the structural representation of another embodiment carrier communication success rate test macro of the utility model.
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 success rate test macro, comprises power conditioner, joins and survey V-type artificial mains network 11, tested V-type artificial mains network 12, variable attenuation network 16, noise source 20, noise coupling device 21, Test Host 15, join measurement equipment 13 and tested carrier communication equipment 14.
Concrete, 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.
Noise source 20 is connected with noise coupling device 21, and noise coupling device 21 is connected with the 3rd power line, for the noise coupling that noise source 20 produced to carrier channel.Concrete, noise source 20 is connected by RF cable with noise coupling device 21.This noise source 20 for generation of noise required in test, such as colored background noise, narrow-band noise, the periodic pulse noise synchronous with power frequency, and the asynchronous periodic pulse noise, asynchronous pulse noise etc. of power frequency.This noise source 20 can adopt the model of such as Agilent company to be the noise generator etc. of 33220A.In addition, noise source 20 can be connected with Test Host 15 by gpib bus, so, Test Host 15 can produce required noise signal according to test request control noises source 20, the amplitude of the impulsive noise of noise source 20 can also be set by Test Host 15, regulating impulse width and repetition rate etc.
Test Host 15 with join measurement equipment 13 and be connected, for sending test instruction to joining measurement equipment 13, test instruction is used for control and joins measurement equipment 13 by carrier channel transmission copy reading instruction extremely tested carrier communication equipment 14, replys corresponding meter reading data to make tested carrier communication equipment 14 respond copy reading instruction by carrier channel to joining measurement equipment 13.Concrete, 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.
That is, when carrying out the test of carrier communication success rate, join measurement equipment 13 after the test instruction receiving Test Host 15 transmission, copy reading instruction is sent to tested carrier communication equipment 14, particularly, this copy reading instruction transfers to tested carrier equipment in carrier signal mode via carrier channel, be preset with corresponding pad value due to the variable attenuation network 16 in carrier channel and be coupled with noise signal etc., so, carrier signal through carrier channel decay and noise signal interference after arrive tested carrier communication equipment 14.After equipment under test receives copy reading instruction, reply copy reading instruction immediately and send meter reading data to joining measurement equipment 13, in like manner, this meter reading data joins measurement equipment 13 in carrier signal mode via transferring to after carrier channel decay and noise signal interference.
Joining measurement equipment 13 can for copying control device or concentrator etc.This joins measurement equipment 13 for meter reading data is sent to Test Host 15, analyzes meter reading data and whether interpretation copy reading is successful by Test Host 15, and according to copy reading successful number of times statistics communication success rate.That is, when carrier communication success rate is tested, joining measurement equipment 13 needs the meter reading data by tested carrier communication equipment 14 is replied to feed back to Test Host 15, then judges that whether this copy reading is successful by Test Host 15.Simultaneously, send copy reading instruction from joining measurement equipment 13 to reply meter reading data to tested carrier communication equipment 14 be a copy reading, joining measurement equipment 13 needs more than 14 copy reading of tested carrier communication equipment, and Test Host 15 calculates communication success rate according to the number of success of repeatedly copy reading again.
According to the carrier communication success rate test macro that the utility model provides, can the operational environment of analog carrier communication equipment, realize the test to the carrier communication equipment such as wireless collection device, the radio ammeter communication success rate in intelligent grid, to judge whether the communication performance of carrier communication equipment meets criterion of acceptability, 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.
With reference to shown in Fig. 2, 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 improve the accuracy of test.
In another embodiment of the present utility model, test macro of the present utility model also comprises the variable load be connected on described 3rd power line, this variable load is connected with slave computer control board 18, controls variable load select corresponding load access the 3rd power line by slave computer control board 18.Concrete, this variable load can be connected with slave computer control board 18 by parallel control bus.Simultaneously, this variable load is such as expansion load, standard termination, power termination, can according to test needs, control variable load by slave computer control board 18 and select adaptive load access the 3rd power line, so, to realize the impedance operator simulation of actual environment in test process, to improve the accuracy of test.
To sum up, according to the carrier communication success rate test macro that the utility model provides, its testing efficiency is high, is conducive to batch production and the test of carrier communication equipment, meanwhile, can guarantee the carrier communication equipment stable performances such as wireless collection device, radio ammeter.
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 (7)
1. a carrier communication success rate test macro, it is characterized in that, comprise power conditioner, join survey V-type artificial mains network, tested V-type artificial mains network, variable attenuation network, noise source, noise coupling device, 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 noise source is connected with described noise coupling device, and described noise coupling device is connected with described 3rd power line, for the noise coupling extremely described carrier channel described noise source produced;
Described Test Host is connected with described measurement equipment of joining, for sending test instruction to described measurement equipment of joining, described test instruction joins measurement equipment by described carrier channel transmission copy reading instruction to tested carrier communication equipment, to make described tested carrier communication equipment respond described copy reading instruction by described carrier channel to described meter reading data corresponding to measurement equipment reply of joining described in controlling;
Described measurement equipment of joining, for described meter reading data is sent to described Test Host, analyzes described meter reading data by described Test Host and whether interpretation copy reading is successful, and according to copy reading successful number of times statistics communication success rate.
2. carrier communication success rate test macro 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.
3. carrier communication success rate test macro 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.
4. carrier communication success rate test macro according to claim 3, it is characterized in that, also comprise the variable load be connected on described 3rd power line, described variable load is connected with described slave computer control board, controls described variable load select corresponding described 3rd power line of load access by described slave computer control board.
5. carrier communication success rate test macro according to claim 3, is characterized in that, also comprise analog cable, and described analog cable is connected with described attenuator array block coupled in series.
6. carrier communication success rate test macro 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 success rate test macro 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.
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| CN201420640067.7U CN204156855U (en) | 2014-10-30 | 2014-10-30 | Carrier communication success rate test macro |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187135A (en) * | 2015-08-10 | 2015-12-23 | 福建联迪商用设备有限公司 | Method and system for testing wireless equipment |
| 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 |
| CN107612642A (en) * | 2017-10-20 | 2018-01-19 | 国网安徽省电力公司电力科学研究院 | A kind of signal band and out-of-band interference level method of testing |
-
2014
- 2014-10-30 CN CN201420640067.7U patent/CN204156855U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105187135A (en) * | 2015-08-10 | 2015-12-23 | 福建联迪商用设备有限公司 | Method and system for testing wireless equipment |
| CN105187135B (en) * | 2015-08-10 | 2018-11-06 | 福建联迪商用设备有限公司 | Test the method and system of wireless device |
| 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 |
| CN107612642A (en) * | 2017-10-20 | 2018-01-19 | 国网安徽省电力公司电力科学研究院 | A kind of signal band and out-of-band interference level method of testing |
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