CN105141378A - Special terminal wireless public network communication test system and method - Google Patents
Special terminal wireless public network communication test system and method Download PDFInfo
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- CN105141378A CN105141378A CN201510621835.3A CN201510621835A CN105141378A CN 105141378 A CN105141378 A CN 105141378A CN 201510621835 A CN201510621835 A CN 201510621835A CN 105141378 A CN105141378 A CN 105141378A
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Abstract
The invention relates to a special terminal wireless public network communication test system and a method. An electromagnetic shielding dark room is installed in a test box body. An operation track is installed on the lower part in the electromagnetic shielding dark room. A tray operates on the operation track via a stepping motor. A tray jack is installed on the lower bottom of the tray in a jacking manner. The jack is driven by a connection motor. A to-be-tested special terminal can be arranged in the tray. A composite tester and a signal interference device are fixedly installed on the electromagnetic shielding dark room. A coupling antenna is fixedly arranged on the top end of the electromagnetic shielding dark room under the composite tester. An alarm lamp and a display are installed on the test box body. An electric unit, a PLC control unit, a power supplying system and a control unit are installed in the test box body. The test system is formed by the electric unit, a mechanical structure unit, the power supplying system, the control unit, the connection unit, a jacking positioning unit and an automatic transmission unit, so seamless coupling of an automatic production line is achieved and a precedent of full functional detection of a wireless public network communication module on the whole special terminal is created.
Description
Technical field
The invention belongs to power domain, relate to the test that intelligent power grid technology special secondary school transformer terminals communicates to wireless public network, especially a kind of specially transformer terminals wireless public network 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.Special transformer terminals wireless public network communication quality detects and only carries out functional detection in uplink communication unit producer at present, special transformer terminals supplier of Guo Wang company does not almost carry out wireless public network communication test to special transformer terminals 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 special transformer terminals complete detection and simulation practical communication environment.
Understood by industry, at present domestic there is no a set of checkout gear realize to the communication of special transformer terminals wireless public network realize automatic intelligent detect, traditional special transformer terminals calibrating streamline does not relate to the detection of wireless public network 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 wireless public network communication quality installing front specially transformer terminals be assessed, avoid risk from source.How receiving link in full inspection, realizing the test of special transformer terminals wireless public network communication automation system is a problem demanding prompt solution.
Retrieved by patent document, find following pertinent literature:
1, the automatic checkout system of the special transformer terminals of a kind of intelligent grid data 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 the special transformer terminals of a kind of energy information (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 wireless public network/GPS module.
3, the special transformer terminals function detecting system (CN202840692U) of a kind of intelligent grid, 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 the special transformer terminals of intelligent grid to be checked respectively, the meritorious pulse of the special transformer terminals of intelligent grid 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 special transformer terminals wireless public network communication test system and the method that realize the test of special transformer terminals wireless public network communication automation system are provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of specially transformer terminals wireless public network communication test system, comprise test casing, streamline, test casing is arranged on the side of streamline, the tested special transformer terminals of streamline conveying, 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 special transformer terminals 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 flat 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 flat taper made is inhaled in this flat 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 boxes coupling slot, is being fixedly mounted with a radiation patch to should plane cover the grounding disc of concentric boxes 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 between the groove of the concentric boxes coupling slot that described grounding disc is made, gap is equal, but its groove width from outer to inner progressively reduces, and its ratio is 3:2:1.
A kind of specially transformer terminals wireless public network communication test method, step is:
(1) power on preparation: power on to special transformer terminals wireless public network 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) specially transformer terminals enters to detect station PLC action: when special transformer terminals controls the jacking transferring before logistics to special transformer terminals wireless public network 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) wireless public network 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 special transformer terminals 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 special transformer terminals test in left side; Then, as simulation main website and special transformer terminals, 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 the special transformer terminals test in left side, testing software controls to detect station PLC by control line and disconnects terminal supplying power on the left of 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) specially transformer terminals goes out to detect station PLC action: after completing left and right in pallet respectively specially transformer terminals detects, 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 wireless public network communication module in special transformer terminals, also can test the interference free performance of special transformer terminals wireless public network communication module, and realize the assessment of special transformer terminals wireless public network 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 wireless public network communication module realizes full Performance Detection on special transformer terminals complete machine.
3, the shielded anechoic chamber of native system can realize suppressing wireless public network 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 special transformer terminals wireless public network 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 are by the operating mode pattern to special transformer terminals wireless public network communication module, realize the special transformer terminals transfer of Long-distance Control, location, jacking, plug into, function such as ON/OFF shielding chamber door etc., the full-automation of special transformer terminals 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 specially transformer terminals wireless public network communication test system, comprise test casing 3, streamline 1, test casing is arranged on the side of streamline, the tested special transformer terminals 6 of streamline conveying, 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 special transformer terminals 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 special transformer terminals 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 special transformer terminals 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 special transformer terminals 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 is adopted to tested special transformer terminals, current terminal, auxiliary terminal (verification pulse, multifunctional pulse, communication port) crimping of reliably plugging into, shown in the present embodiment accompanying drawing be two and detect pallet, two tested special transformer terminals can be detected simultaneously, single phase power supply mode is adopted to power to tested special transformer terminals, two special transformer terminals binding posts are plugged into simultaneously, to power on interfering with each other wireless public network communication check to evade two special transformer terminals simultaneously, PLC control system to each special transformer terminals to carry out powering on and power-off according to testing requirement by relay respectively, the upper contracting of all special transformer terminals terminals pressurizeds, and wiring Compression Stability, evenly, reliable, be connected with special transformer terminals by electric unit and power, power to special transformer terminals 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 flat 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 flat taper of making is inhaled in this flat 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 boxes coupling slot 24, a radiation patch 22 is being fixedly mounted with to should plane cover the grounding disc of concentric boxes 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 concentric boxes coupling slot that grounding disc is made, gap is equal, but its groove width from outer to inner progressively reduces, and its ratio is 3:2:1.
Operation principle of the present invention is:
In special transformer terminals wireless public network communication automation system test process, when special transformer terminals module arrives the station of wireless public network 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 special transformer terminals, then realized the measurement of special transformer terminals wireless public network 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 special transformer terminals goes out electromagnetic shielding box.
A kind of specially transformer terminals wireless public network communication test method, as shown in figure 11, step is its test flow chart:
(1) power on preparation: power on to special transformer terminals wireless public network 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) specially transformer terminals enters to detect station PLC action: when special transformer terminals controls the jacking transferring before logistics to special transformer terminals wireless public network 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) wireless public network 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 special transformer terminals 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 special transformer terminals test in left side; Then, as simulation main website and special transformer terminals, 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 the special transformer terminals test in left side, testing software controls to detect station PLC by control line and disconnects terminal supplying power on the left of 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) specially transformer terminals goes out to detect station PLC action: after completing left and right in pallet respectively specially transformer terminals detects, 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 special transformer terminals wireless public network communication test system, comprise test casing, streamline, test casing is arranged on the side of streamline, the tested special transformer terminals of streamline conveying, it is characterized in that: in described test casing, electromagnetic shielding dark room is installed, 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, this pallet jacking device is driven by motor of plugging into, and can put tested special transformer terminals 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. special transformer terminals wireless public network 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 flat 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 flat taper made is inhaled in this flat taper.
3. special transformer terminals wireless public network 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. special transformer terminals wireless public network 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 boxes coupling slot, a radiation patch is being fixedly mounted with to should plane cover the grounding disc of concentric boxes 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. special transformer terminals wireless public network communication test system according to claim 4, is characterized in that: between the groove of the concentric boxes coupling slot that described grounding disc is made, gap is equal, but its groove width from outer to inner progressively reduces, and its ratio is 3:2:1.
6. a special transformer terminals wireless public network communication test method, is characterized in that: step is:
(1) power on preparation: power on to special transformer terminals wireless public network 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) specially transformer terminals enters to detect station PLC action: when special transformer terminals controls the jacking transferring before logistics to special transformer terminals wireless public network 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) wireless public network 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 special transformer terminals 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 special transformer terminals test in left side; Then, as simulation main website and special transformer terminals, 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 the special transformer terminals test in left side, testing software controls to detect station PLC by control line and disconnects terminal supplying power on the left of 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) specially transformer terminals goes out to detect station PLC action: after completing left and right in pallet respectively specially transformer terminals detects, 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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CN109005555A (en) * | 2017-06-07 | 2018-12-14 | 江苏东大集成电路***工程技术有限公司 | A method of the radio-frequency performance under test LTE network standard |
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 |
CN109448056B (en) * | 2018-10-30 | 2021-12-10 | 国网北京市电力公司 | Communication module connection method and device, storage medium and electronic device |
CN109850511A (en) * | 2018-12-28 | 2019-06-07 | 深圳市达实智控科技股份有限公司 | Automatic test device |
CN111879380A (en) * | 2020-08-03 | 2020-11-03 | 邵东智能制造技术研究院有限公司 | Water meter detection device and method |
CN111879380B (en) * | 2020-08-03 | 2022-06-21 | 邵东智能制造技术研究院有限公司 | Water meter detection device and method |
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