CN105245296A - Concentrator GPRS communication test system and method - Google Patents
Concentrator GPRS communication test system and method Download PDFInfo
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- CN105245296A CN105245296A CN201510621834.9A CN201510621834A CN105245296A CN 105245296 A CN105245296 A CN 105245296A CN 201510621834 A CN201510621834 A CN 201510621834A CN 105245296 A CN105245296 A CN 105245296A
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Abstract
The invention relates to a concentrator GPRS communication test system and a concentrator GPRS communication test method. An electromagnetic shielding dark room is installed in a test box. Operating rails are installed in the lower part of the electromagnetic shielding dark room. A tray is operated on the operating rails via a stepping motor. A tray jacking device abuts against the lower bottom of the tray and is driven by a connection motor, and a to-be-tested concentrator can be placed in the tray. A general-purpose tester and a signal interference device are fixedly arranged above the electromagnetic shielding dark room. A coupled antenna is fixedly installed at the top end of the electromagnetic shielding dark room under the general-purpose tester; an alarm light and a display are arranged at the test box. An electric unit, a PLC control unit, a power supply system and control unit are arranged in the test box. The system is composed of the electric unit, a mechanical structure unit, the power supply system and control unit, a connection unit, a jacking location unit and an automatic conveying unit, and achieves seamless coupling with an automated assembly line, thereby setting a precedent that a GPRS communication module can be subjected to overall performance testing in a complete concentrator.
Description
Technical field
The invention belongs to power domain, relate to the test that in intelligent power grid technology, concentrator communicates to GPRS, especially a kind of concentrator GPRS communication test system and method.
Background technology
The desirability that intelligent grid develops as information-intensive society city intelligentization is that the important energy source of intelligent city's development ensures basis and forerunner, the important content that Ye Shi intelligent city builds.Concentrator GPRS communication quality detects and only carries out functional detection in uplink communication unit producer at present, concentrator supplier of Guo Wang company does not almost carry out GPRS communication test to concentrator 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 concentrator complete detection and simulation practical communication environment.
Understood by industry, at present domestic there is no a set of checkout gear realize to concentrator GPRS communication realize automatic intelligent detect, traditional concentrator calibrating streamline does not relate to the detection of GPRS communication yet, particularly cannot accomplish to simulate actual application scenarios to collect the data of radiofrequency signal, analyze and judge whether to meet state's net 1374.3-2013 communication unit technology specification and 1379.4-2013 communication unit inspection technology specification, thus can not the GPRS communication quality installing front concentrator be assessed, avoid risk from source.How receiving link in full inspection, realizing the test of concentrator GPRS communication automation system is a problem demanding prompt solution.
Retrieved by patent document, find following pertinent literature:
1, a kind of automatic checkout system of intelligent grid data concentrator and method (CN102540133A), this system comprises: background data base, industrial computer, detection frock; Back-end data library storage detects configuration parameter and test result information; Industrial computer receives the request detected measured terminal detecting frock and send, and reads detect configuration parameter from background data base, sends detection message to detection frock; Receive and obtain test result information stored in background data base according to the testing result that detects frock passback and be sent to detection frock; Detect frock and send to industrial computer the request of detection, receive detection message; If detection message needs to detect frock process, then process detection message, passback testing result; If detection message needs measured terminal to test oneself process, then by detection message repeating to measured terminal, testing result is returned to industrial computer by detecting frock by measured terminal; Receive test result information and show.
2, the field integrated checkout equipment of a kind of energy information concentrator (CN202794497U), it contains processor, described processor is respectively arranged with RS458 detection interface, wireless module detects interface, power line carrier module detects interface, analog input and output interface is connected with On-off signal output interface, further, described processor is also connected with red transceiver, power supply, wireless communication module, Ethernet and display respectively.Described power supply is the duplicate supply that external mains-supplied and powered battery are formed.Described wireless communication module is GPRS/GPS module.
3, a kind of intelligent grid concentrator function detecting system (CN202840692U), comprise single machine unit and the one 485 coupled interface unit, 2 485 interface unit, 3 485 interface unit, 232 interface units, network card chip and display unit, one 485 interface unit is connected with host computer through 485 turn of 232 converting unit, network card chip is connected with host computer through router, second, one PWM output of the 3 485 interface unit and 232 interface units and single machine unit, 2nd PWM output, remote signalling output, door node signal output, pulse output end and active, passive switching signal output is connected with intelligent grid concentrator to be checked respectively, the meritorious pulse of intelligent grid concentrator to be checked and standard scale, idle pulse is connected with single machine unit respectively with output terminal of clock pulse.
Contrasted by technical characteristic, above-mentioned patent document is not identical with the present patent application in technological architecture.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of the concentrator GPRS communication test system and the method that realize the test of concentrator GPRS communication automation system are provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of concentrator GPRS communication test system, comprise test casing, streamline, test casing is arranged on the side of streamline, tested concentrator carried by streamline, it is characterized in that: install electromagnetic shielding dark room in described test casing, in electromagnetic shielding dark room, bottom is provided with orbit, orbit is run by stepping motor and has pallet, this pallet is gone to the bottom and is top-loaded with pallet jacking device, and this pallet jacking device is driven by motor of plugging into, and can put tested concentrator in pallet; Above electromagnetic shielding dark room, be fixed with comprehensive tester and signal disturbing device, the electromagnetic shielding dark room top below comprehensive tester is fixed with coupled antenna; Test casing is provided with alarm lamp and display, in test casing, electric unit, PLC control unit, electric power system and control unit is also installed.
And, described electromagnetic shielding dark room is provided with shield door, the inboard of shield door is fixed with plane wave absorbing thin film plate, is all fixed with pin taper inhales ripple plate in top board, sidewall and access panel inboard, and wave head inhaled by the ripple plate effective electromagnetic wave absorption in tip by its uniform pin taper made is inhaled in this pin taper.
And described countermeasure set is communicated with the coupled antenna in shielded box by radio frequency line and plug, this countermeasure set is connected with control unit by gpib bus.
And, the structure of described coupled antenna is, grounding disc is shaped with a concentric circular coupling slots, is being fixedly mounted with a radiation patch to should plane cover the grounding disc of circular concentric coupling slot, this radiation patch adopts circular patch, is fixedly mounted with an air dielectric layer between radiation patch and grounding disc; Be fixedly mounted with a FR4 feed substrate at grounding disc bottom surface, the axis position along radiation patch below feed substrate is fixedly mounted with a microstrip feed line.
And gap is equal between the groove of the circular concentric coupling slot that described grounding disc is made, it is radial that microstrip feed line is connected to circular concentric coupling slot, and its open end is 6 millimeters to the distance of central point.
A kind of concentrator GPRS communication test method, step is:
(1) power on preparation: power on to concentrator GPRS intelligent checking system, and now, industrial PC, Agilent 8960, Agilent signal source E4438C and station PLC can complete and power on and start shooting; When industrial PC has been started shooting, systems axiol-ogy software will start automatically, after having started, the initial setting up to Agilent 8960, Agilent signal source E4438C can be completed successively, and open testing software and test station plc communication port, test station and radio-frequency (RF) switch communication port, testing software and extraneous PLC server communication port successively, and then automatically complete that test macro powers on, initial setting up and a series of preparation of open communication port;
(2) concentrator enters to detect station PLC action: when concentrator controls the jacking transferring before logistics to concentrator GPRS Intelligent Measurement station by PLC, PLC sends to test station the request of putting in storage, time after test station PLC receives the request of putting in storage and in storehouse without sense terminals, test station PLC is to streamline PLC transmission permission warehouse entry instruction; Now, detect the station PLC pallet arrival horizontal checkout position that completes that stepping belt has rotated forward pallet warehouse entry, stepping motor has advanced successively, pallet jacking completes that pallet arrives vertical test position, clamping of plugging into completes binding post and puts in place;
(3) GPRS detects: the systems axiol-ogy software of main control computer is detected PLC state in detection station by control line always, after detection station PLC completes above-mentioned action, can send concentrator to bit instruction to inspection software; Now, testing software controls to detect station PLC by control line and powers on to left side terminal in shielded box, and the coupling plate on the left of switching to that simultaneously opened the light by radio frequency completes the preparation before to the test of left side concentrator; Then, as simulation main website and concentrator, Agilent 8960 is carried out that foundation is conversed, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, is terminated call nine test items and test;
(4), after completing left side concentrator test, testing software controls to detect station PLC by control line and disconnects left side terminal supplying power in shielded box and power on to right side termination, is opened the light by radio frequency simultaneously and switches to right side coupling plate; Then, control Agilent 8960 to simulate main website and complete to set up with right side termination and converse, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, terminate the test of call nine test items; After having tested, test result can be kept at local main control computer and be sent to extraneous PLC server by testing software, and announcement server delivers from godown;
(5) concentrator goes out to detect station PLC action: after completing in pallet left and right concentrator respectively and detecting, and testing software to be sent request to detection station PLC by control line and deliver from godown; Now, detect station PLC complete respectively plug into loosened that binding post is withdrawn, pallet has declined pallet arrival vertically gone out bin location, stepping motor retreated that pallet arrival level goes out bin location, stepping belt has reversed, and pallet delivers from godown.
Advantage of the present invention and good effect are:
1, native system reaches Aulomatizeted Detect to testing equipment by the integrated of equipment and software application, and the multiple work of actual field can be simulated, the property indices of testing equipment more accurately, achieve the system test of GPRS communication module in concentrator, also can test the interference free performance of concentrator GPRS communication module, and realize the assessment of concentrator GPRS communication module communication quality simultaneously.
2, native system is made up of electric unit, mechanical structure unit, electric power system and control unit, unit of plugging into, jacking positioning unit, automatic delivery unit, achieve with automatic assembly line without slot coupling, started the precedent that GPRS communication module realizes full Performance Detection on concentrator complete machine.
3, the shielded anechoic chamber of native system can realize suppressing GPRS radio signal (operating frequency and transmitting power etc.), provides relatively pure radio dark room conditions, reduces the interference of extraneous radio wave to test environment; The all FPDP of electromagnetic shielding box and power supply signal all adopt electromagnetic interface filter, shield door adopts stepping motor pressing mode, ensure the performance of shielding, adopt RFCD RF coupling device to be used for importing into and carrying out performance test of the signal of concentrator GPRS communication simultaneously, be applicable to the wireless signal of 300MHz-3GHz operating frequency range, the absorbing material of its inner cone needle-like is greater than 20dB, can to the suppression of wireless signal realization more than 70dB; Main control software, streamline and checkout equipment PLC, by operating mode pattern to concentrator GPRS communication module, realize the transfer of Long-distance Control concentrator, location, jacking, plug into, the function such as ON/OFF shielding chamber door, the full-automation of concentrator in electromagnetic shielding box.
4, the coupled antenna of native system have employed the feeding classification of evolved password to realize wide band characteristic, compared to coaxial line or feed microstrip line, aperture-coupled has some significant advantages: feed place is without the need to solder joint, and the adjustable parameter for impedance matching is many; The substrate that feed structure and radiation patch adopt is separated from one another, and different dielectric materials and dielectric thickness can be selected independently to meet the needs of feed structure to radiation patch; By the adjustment coupling length in gap or the length of microstrip feed line open end, more easily impedance matching etc. can be reached with radiation patch than other feeding classifications, this antenna is exactly the feature utilizing the substrate of its feed structure and radiation patch separated from one another, adopt lower, that thickness the is larger radiation substrate of dielectric constant to reduce the Q value of antenna, thus reach the object of Bandwidth.
Accompanying drawing explanation
Fig. 1 is the perspective view of present system;
Fig. 2 is the structural front view of present system;
Fig. 3 is the left side view of Fig. 2;
Fig. 4 is the rearview of Fig. 2;
Fig. 5 is the cross-sectional view of the shielded anechoic chamber of present system;
Fig. 6 is the perspective view of the wallboard installation absorbing material of Fig. 5;
Fig. 7 is the structural front view of the coupled antenna of present system;
Fig. 8 is that the A-A of Fig. 7 is to cross-sectional view;
Fig. 9 is the structural representation removing radiation patch and dielectric layer of Fig. 7;
Figure 10 is the rearview of Fig. 7;
Figure 11 is method of testing flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further described; The present embodiment is descriptive, is not determinate, can not limit protection scope of the present invention thus.
A kind of concentrator GPRS communication test system, comprise test casing 3, streamline 1, test casing is arranged on the side of streamline, tested concentrator 6 carried by streamline, and install electromagnetic shielding dark room 11 in test casing, in electromagnetic shielding dark room, bottom is provided with orbit 10, orbit is run by stepping motor 9 and has pallet 12, this pallet is gone to the bottom and is top-loaded with pallet jacking device 13, and this pallet jacking device is driven by motor 7 of plugging into, and can put tested concentrator in pallet; Above electromagnetic shielding dark room, be fixed with comprehensive tester 4 and signal disturbing device 15, the electromagnetic shielding dark room top below comprehensive tester is fixed with coupled antenna 5; Test casing is provided with alarm lamp 2 and display 8, in test casing, electric unit, PLC control unit, electric power system and control unit is also installed.
Streamline connects the orbit of automatic delivery unit, the orbit of this automatic delivery unit mainly carries out conveying automatically to measured terminal and exports, tested concentrator is transported to surveyed area in electromagnetic shielding dark room, to be detected complete after then measured terminal is transported to next appointed area.The tested concentrator entering electromagnetic shielding dark room adopts pallet conveying to put in place, the jacking device of jacking unit is by pallet jack-up, accurately located tested concentrator by the motor of plugging into of unit of plugging into, strengthen the reliability and stability of connecting device, location should accurately, rapidly; Behind location, electric unit voltage terminal, current terminal, auxiliary terminal (verification pulse, multifunctional pulse, communication port) crimping of reliably plugging into are adopted to tested concentrator, shown in the present embodiment accompanying drawing be two and detect pallet, two tested concentrators can be detected simultaneously, single phase power supply mode is adopted to power to tested concentrator, two concentrator binding posts are plugged into simultaneously, to power on interfering with each other GPRS communication check to evade two concentrators, PLC control system to each concentrator to carry out powering on and power-off according to testing requirement by relay respectively simultaneously; The upper contracting of all concentrator terminals pressurizeds, and wiring Compression Stability, evenly, reliable; Be connected with concentrator by electric unit and power, powered to concentrator by electric power system and control unit afterwards, whole process is controlled by PLC control unit.Enter after electromagnetic shielding dark room test body until measured terminal, close electromagnetic shielding dark room chamber door, to isolate external environmental interference.Power supply unit provides power supply guarantee mainly to measured terminal and testing equipment.After test completes, electromagnetic shielding dark room chamber door is opened, and binding post and measured terminal unclamp, and pallet puts down automatically, is exported by measured terminal, finally measured terminal is transported to next test zone.
In the present invention, the structure of described electromagnetic shielding dark room is see Fig. 5,6, shield door 14 is installed, base plate in the casing of darkroom is run by orbit and has structure for conveying 18, on the conveyor jacking device is installed, jacking device is provided with unit 16 of plugging into, correspondence plug into unit top board in be fixed with RFCD coupled antenna.The inboard of shield door is fixed with plane wave absorbing thin film plate, and this wave absorbing thin film plate can suppress the surface electromagnetic waves such as row ripple, Creeping Wave and guided wave effectively; All be fixed with pin taper in top board, sidewall and access panel inboard and inhale ripple plate 17, wave head 19 inhaled by the ripple plate effective electromagnetic wave absorption in tip by its uniform pin taper of making is inhaled in this pin taper.
In the present invention, described countermeasure set is communicated with the coupled antenna in shielded box by radio frequency line and plug, this countermeasure set is connected with control unit by gpib bus, the structure of described coupled antenna is see Fig. 7,8,9,10, grounding disc 20 is shaped with a concentric circular coupling slots 24, a radiation patch 22 is being fixedly mounted with to should plane cover the grounding disc of circular concentric coupling slot, this radiation patch adopts circular patch, its radius R=12.8 millimeter, are fixedly mounted with the air dielectric layer 21 that a thickness is 2 millimeters between radiation patch and grounding disc; The FR4 feed substrate 25 that a dielectric constant is 4.4, thickness is 1mm is fixedly mounted with at grounding disc bottom surface, a microstrip feed line 23 is fixedly mounted with along the axis position of radiation patch below feed substrate, the width of this microstrip feed line is 2mm, to ensure that the input impedance of feeder line is 50 ohms.
In practical application, consider the aspects such as the firmness of antenna structure and impact resistance, air dielectric layer can be considered to adopt the materials such as the close foam of dielectric constant to fill; Between the groove of the circular concentric coupling slot that grounding disc is made, gap is equal, and it is radial that microstrip feed line is connected to circular concentric coupling slot, and its open end is 6 millimeters to the distance of central point, to ensure that the input impedance of microstrip antenna obtains good coupling.
Operation principle of the present invention is:
In concentrator GPRS communication automation system test process, when concentrator module arrives the station of GPRS communication test, after streamline PLC sends warehouse entry request, testing equipment is under the control action of its PLC, progressively complete that motor enters, line stretcher enters, fixed station liter, shield door close, terminal enters action, successfully enter electromagnetic shielding box to realize concentrator, then realized the measurement of concentrator GPRS communication performance parameter by software control.After measurement completes, software sends test settling signal to testing equipment PLC, send to streamline PLC delivering from godown request by testing equipment PLC again, simultaneously testing equipment PLC completes terminal with this and moves back, shields that chamber door is opened, line stretcher moves back, motor moves back and operates to realize the object that concentrator goes out electromagnetic shielding box.
A kind of concentrator GPRS communication test method, as shown in figure 11, step is its test flow chart:
(1) power on preparation: power on to concentrator GPRS intelligent checking system, and now, industrial PC, Agilent 8960, Agilent signal source E4438C and station PLC can complete and power on and start shooting; When industrial PC has been started shooting, systems axiol-ogy software will start automatically, after having started, the initial setting up to Agilent 8960, Agilent signal source E4438C can be completed successively, and open testing software and test station plc communication port, test station and radio-frequency (RF) switch communication port, testing software and extraneous PLC server communication port successively, and then automatically complete that test macro powers on, initial setting up and a series of preparation of open communication port;
(2) concentrator enters to detect station PLC action: when concentrator controls the jacking transferring before logistics to concentrator GPRS Intelligent Measurement station by PLC, PLC sends to test station the request of putting in storage, time after test station PLC receives the request of putting in storage and in storehouse without sense terminals, test station PLC is to streamline PLC transmission permission warehouse entry instruction; Now, detect the station PLC pallet arrival horizontal checkout position that completes that stepping belt has rotated forward pallet warehouse entry, stepping motor has advanced successively, pallet jacking completes that pallet arrives vertical test position, clamping of plugging into completes binding post and puts in place;
(3) GPRS detects: the systems axiol-ogy software of main control computer is detected PLC state in detection station by control line always, after detection station PLC completes above-mentioned action, can send concentrator to bit instruction to inspection software; Now, testing software controls to detect station PLC by control line and powers on to left side terminal in shielded box, and the coupling plate on the left of switching to that simultaneously opened the light by radio frequency completes the preparation before to the test of left side concentrator; Then, as simulation main website and concentrator, Agilent 8960 is carried out that foundation is conversed, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, is terminated call nine test items and test;
(4), after completing left side concentrator test, testing software controls to detect station PLC by control line and disconnects left side terminal supplying power in shielded box and power on to right side termination, is opened the light by radio frequency simultaneously and switches to right side coupling plate; Then, control Agilent 8960 to simulate main website and complete to set up with right side termination and converse, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, terminate the test of call nine test items; After having tested, test result can be kept at local main control computer and be sent to extraneous PLC server by testing software, and announcement server delivers from godown;
(5) concentrator goes out to detect station PLC action: after completing in pallet left and right concentrator respectively and detecting, and testing software to be sent request to detection station PLC by control line and deliver from godown.Now, detect station PLC complete respectively plug into loosened that binding post is withdrawn, pallet has declined pallet arrival vertically gone out bin location, stepping motor retreated that pallet arrival level goes out bin location, stepping belt has reversed, and pallet delivers from godown.
It is as shown in the table for every test event of the present invention and index
Claims (6)
1. a concentrator GPRS communication test system, comprise test casing, streamline, test casing is arranged on the side of streamline, tested concentrator carried by streamline, it is characterized in that: install electromagnetic shielding dark room in described test casing, in electromagnetic shielding dark room, bottom is provided with orbit, orbit is run by stepping motor and has pallet, this pallet is gone to the bottom and is top-loaded with pallet jacking device, and this pallet jacking device is driven by motor of plugging into, and can put tested concentrator in pallet; Above electromagnetic shielding dark room, be fixed with comprehensive tester and signal disturbing device, the electromagnetic shielding dark room top below comprehensive tester is fixed with coupled antenna; Test casing is provided with alarm lamp and display, in test casing, electric unit, PLC control unit, electric power system and control unit is also installed.
2. concentrator GPRS communication test system according to claim 1, it is characterized in that: described electromagnetic shielding dark room is provided with shield door, the inboard of shield door is fixed with plane wave absorbing thin film plate, all be fixed with pin taper in top board, sidewall and access panel inboard and inhale ripple plate, wave head inhaled by the ripple plate effective electromagnetic wave absorption in tip by its uniform pin taper made is inhaled in this pin taper.
3. concentrator GPRS communication test system according to claim 1, is characterized in that: described countermeasure set is communicated with the coupled antenna in shielded box by radio frequency line and plug, this countermeasure set is connected with control unit by gpib bus.
4. concentrator GPRS communication test system according to claim 3, it is characterized in that: the structure of described coupled antenna is, grounding disc is shaped with a concentric circular coupling slots, a radiation patch is being fixedly mounted with to should plane cover the grounding disc of circular concentric coupling slot, this radiation patch adopts circular patch, is fixedly mounted with an air dielectric layer between radiation patch and grounding disc; Be fixedly mounted with a FR4 feed substrate at grounding disc bottom surface, the axis position along radiation patch below feed substrate is fixedly mounted with a microstrip feed line.
5. concentrator GPRS communication test system according to claim 4, it is characterized in that: between the groove of the circular concentric coupling slot that described grounding disc is made, gap is equal, it is radial that microstrip feed line is connected to circular concentric coupling slot, and its open end is 6 millimeters to the distance of central point.
6. a concentrator GPRS communication test method, is characterized in that: step is:
(1) power on preparation: power on to concentrator GPRS intelligent checking system, and now, industrial PC, Agilent 8960, Agilent signal source E4438C and station PLC can complete and power on and start shooting; When industrial PC has been started shooting, systems axiol-ogy software will start automatically, after having started, the initial setting up to Agilent 8960, Agilent signal source E4438C can be completed successively, and open testing software and test station plc communication port, test station and radio-frequency (RF) switch communication port, testing software and extraneous PLC server communication port successively, and then automatically complete that test macro powers on, initial setting up and a series of preparation of open communication port;
(2) concentrator enters to detect station PLC action: when concentrator controls the jacking transferring before logistics to concentrator GPRS Intelligent Measurement station by PLC, PLC sends to test station the request of putting in storage, time after test station PLC receives the request of putting in storage and in storehouse without sense terminals, test station PLC is to streamline PLC transmission permission warehouse entry instruction; Now, detect the station PLC pallet arrival horizontal checkout position that completes that stepping belt has rotated forward pallet warehouse entry, stepping motor has advanced successively, pallet jacking completes that pallet arrives vertical test position, clamping of plugging into completes binding post and puts in place;
(3) GPRS detects: the systems axiol-ogy software of main control computer is detected PLC state in detection station by control line always, after detection station PLC completes above-mentioned action, can send concentrator to bit instruction to inspection software; Now, testing software controls to detect station PLC by control line and powers on to left side terminal in shielded box, and the coupling plate on the left of switching to that simultaneously opened the light by radio frequency completes the preparation before to the test of left side concentrator; Then, as simulation main website and concentrator, Agilent 8960 is carried out that foundation is conversed, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, is terminated call nine test items and test;
(4), after completing left side concentrator test, testing software controls to detect station PLC by control line and disconnects left side terminal supplying power in shielded box and power on to right side termination, is opened the light by radio frequency simultaneously and switches to right side coupling plate; Then, control Agilent 8960 to simulate main website and complete to set up with right side termination and converse, transmitting power, phase error, frequency error, switch frequency spectrum, modulation spectrum, receiving sensitivity, burst power over time, terminate the test of call nine test items; After having tested, test result can be kept at local main control computer and be sent to extraneous PLC server by testing software, and announcement server delivers from godown;
(5) concentrator goes out to detect station PLC action: after completing in pallet left and right concentrator respectively and detecting, and testing software to be sent request to detection station PLC by control line and deliver from godown; Now, detect station PLC complete respectively plug into loosened that binding post is withdrawn, pallet has declined pallet arrival vertically gone out bin location, stepping motor retreated that pallet arrival level goes out bin location, stepping belt has reversed, and pallet delivers from godown.
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| CN107659363A (en) * | 2017-09-28 | 2018-02-02 | 云南电网有限责任公司电力科学研究院 | A kind of electric power terminal communication test device |
| CN107659363B (en) * | 2017-09-28 | 2021-08-10 | 云南电网有限责任公司电力科学研究院 | Power terminal communication testing device |
| CN109448056A (en) * | 2018-10-30 | 2019-03-08 | 国网北京市电力公司 | The method and apparatus of plugging into of communication module, storage medium, electronic device |
| CN110596437A (en) * | 2019-09-29 | 2019-12-20 | 杭州德创电子股份有限公司 | Automatic crimping device for crimping High Performance Liquid Chromatography (HPLC) communication module of electric energy meter |
| CN113179139A (en) * | 2021-03-18 | 2021-07-27 | 深圳市酷客智能科技有限公司 | Wireless product testing device and wireless product testing method |
| CN113179139B (en) * | 2021-03-18 | 2023-03-31 | 深圳市酷客智能科技有限公司 | Wireless product testing device and wireless product testing method |
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