CN102818966B - Testing cable misinsertion prevention method and system for virtual instrument - Google Patents
Testing cable misinsertion prevention method and system for virtual instrument Download PDFInfo
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- CN102818966B CN102818966B CN201110426484.2A CN201110426484A CN102818966B CN 102818966 B CN102818966 B CN 102818966B CN 201110426484 A CN201110426484 A CN 201110426484A CN 102818966 B CN102818966 B CN 102818966B
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Abstract
The invention relates to a testing cable misinsertion prevention method and a testing cable misinsertion prevention system for a virtual instrument. A cable adapting plate, a universal cable adapting plug, an adapter front panel plug, an adapter rear panel plug and a special cable adapting plug are connected through a wire to form a loop. During a test, an input contact corresponding to an output contact of a universal switch is electrified, the output voltage of the loop is tested through a multimeter module, and whether the plugs of the loop are connected or not can be judged according to the reading of a multimeter. A simple principle is adopted, the method and the system are convenient to operate, and the condition of connection omission of the plugs during the test of a product is completely eradicated.
Description
Technical field
The invention belongs to Technology of Virtual Instrument field, relate to a kind of test cable Anti-misplug method and system of virtual instrument.
Background technology
Traditional test cable Anti-misplug method is by adopting the plug of band Anti-misplug key to realize, although this method can effectively prevent plug wrong plug, but there is the problem that is very large, miss if any plug exactly, detector can't find completely, will report an error during test products, if commissioning staff lacks experience, will first suspect that product is out of joint, change assembly not only but also be change veneer, finally just find that there is plug not connect, this phenomenon often occurs at Commissioning field, therefore improve necessary to this traditional Anti-misplug means, the situation that when thoroughly should stop product test, plug is missed.
Summary of the invention
The object of this invention is to provide a kind of test cable Anti-misplug method and system of virtual instrument, problem missed by the plug existed to solve existing method.
For achieving the above object, the test cable Anti-misplug method step of virtual instrument of the present invention is as follows:
(1) utilize wire to connect transit cable plate, general transit cable plug, adapter front panel plug, adapter rear panel plug and special transit cable plug and form a loop, the top in this loop and terminal are on the different contact pins of transit cable plate, top contact pin is connected with an output contact of universal switch, and terminal contact pin is connected with the test lead of multimeter module;
(2) rated voltage is added at the input contact place that universal switch output contact is corresponding; And connect universal switch and power on to loop;
(3) by the output voltage in multimeter module testing loop, if multimeter display translation voltage is nominal voltage number, illustrate that the plug in whole loop has all connected.
The test cable Anti-misplug system solution of virtual instrument of the present invention is as follows: this system is comprised and connected in turn by wire and form the transit cable plate in a loop, general transit cable plug, adapter front panel plug, adapter rear panel plug and special transit cable plug, the top in this loop and terminal are on the different contact pins of transit cable plate, top contact pin is also connected with an output contact of universal switch, and terminal contact pin is also connected with the test lead of multimeter module.
The test cable error protection method and system of virtual instrument of the present invention, utilize wire at transit cable plate, general transit cable plug, adapter front panel plug, between adapter rear panel plug and special transit cable plug, form a loop, during test, the input contact place corresponding at universal switch output contact powers on, again by the output voltage in multimeter module testing loop, confirm whether the plug in this loop connects by multimeter reading, the principle of the invention is simple, easy to operate, the situation that when thoroughly having stopped product test, plug is missed.
Accompanying drawing explanation
Fig. 1 is PXI test macro block diagram;
Fig. 2 is the circuit wiring diagram of embodiment.
Embodiment
Be described for the PXI test macro of main flow in virtual instrument, other virtual instrument instrument is similar with it.
(1) PXI test macro composition and function
Conventional PXI test macro should consist of the following components: PXI main frame, test product adapter, universal cordage, private cable, test product.The block diagram of system as shown in Figure 1.
Test macro each several part composition and function declaration as follows:
(a) PXI main frame
PXI main frame should comprise rack, PXI mainframe box and module, display, power supply and transit cable plate etc.Power supply is used for providing required various power supply to product; The plug-in mounting external due to PXI module is not easy-disassembling-assembling circular socket, needs the signal in each PXI module to be wired on the circular socket of transit cable plate; PXI mainframe box and functional module are for simulating the various pumping signals needed for test product, and detect the various signals of test product generation, PXI functional module has a lot, such as universal switch module, multi-way switch module, multimeter module and I/O module etc., concrete functional module is selected according to testing requirement, but universal switch module and multimeter module are used certainly.
(b) test product adapter
If adopt test cable directly to connect the mode of test product and main frame, the test cable number needed can be a lot, and cable interweaves severe, make cable design too complicated, cable is installed too loaded down with trivial details, also very unfavorable to localization of fault during system debug, and between system under test (SUT) and checkout equipment, design an adapter, the various types of signal of test product is connected after adapter is sorted out fault location time when significantly will inevitably reduce the quantity and product test of debugging cable again with main frame;
Adapter is made up of rear panel and front panel, front and back panel respectively has the socket of respective numbers.
(c) debugging cable
Debugging cable is divided into two parts, and a part is private cable, is directly connected on the front panel of adapter by the signal on each for test product socket, and private cable is not according to testing requirement from one to many etc.; Another part is universal cordage, by sorted out in adapter signal be connected on the switching panel of PXI main frame, universal cordage is not according to testing requirement from one to many etc.
(2) test cable Anti-misplug method
Traditional test plug Anti-misplug means adopt the plug of band Anti-misplug key to realize, although this method can effectively prevent plug wrong plug, but it has a very large defect, the plug being exactly universal cordage is missed, test macro can't find completely, therefore it is necessary for carrying out improving to traditional test jack Anti-misplug means, the situation that when this method has thoroughly stopped product test, universal cordage plug is missed.
Method is as follows: first utilize wire at transit cable plate, general transit cable plug, a loop is formed between adapter rear panel plug, the top in loop is certain contact pin of certain plug of transit cable plate, this root contact pin is connected with certain output contact of universal switch again, and the terminal in loop is on another contact pin of the same cable of transit cable plate, this root contact pin is connected with the positive pole of the test lead of multimeter module again simultaneously, like this when detector self-inspection, the input contact place corresponding at universal switch output contact adds a 27V voltage, then this contact, road of universal switch is connected, whole loop just adds electricity, last again by the output voltage in multimeter module testing loop, if multimeter display translation voltage is about 27V, illustrate that the plug in whole loop has all connected.The rest may be inferred, can each plug of each universal cordage of test be needed to be linked in different loops respectively other, when detector self-inspection, call and write that test plug is anti-misses subroutine in advance, detect each loop successively, the problem that when so just completely solving product test, plug is missed.
Universal cordage according to testing requirement quantity not etc., misses method so that invention thinking to be described so that the test plug of universal cordage 1 is anti-below, and it is similar with it that other universal cordage anti-misses method.Fig. 2 is shown in by test loop wiring diagram.
In order to when preventing product test, universal cordage is missed, utilize wire in the contact 2 of universal switch module 1, 1 contact pin of the socket 1 of transit cable plate, the test plug 1 of universal cordage 11 contact pin, the test plug 2 of universal cordage 11 contact pin, 1 contact pin of the socket 1 of the rear panel of adapter, a loop is formed between 160 contact pins of the socket 3 of transit cable plate and the positive pole of multimeter module, the relay between the contact 1 of universal switch module 1 and contact 2 is connected by software command when detector self-inspection, such 27V power supply is just added to the positive pole of multimeter module by loop, the last value being read multimeter again by software command, just can illustrate that universal cordage 1 connects correctly as it equals 27V.Other universal cordage can be connected in each loop by that analogy, and can test other test plug according to the test thinking establishment simple program of test plug 1, finally each test plug test procedure is packaged into test plug to prevent missing subroutine, and before each product test, call that test plug is anti-misses subroutine, as subroutine test is passed through, then illustrate that all universal cordages are not all missed.
Claims (2)
1. a test cable Anti-misplug method for virtual instrument, it is characterized in that, the step of the method is as follows:
(1) utilize wire to connect transit cable plate, general transit cable plug, adapter front panel plug, adapter rear panel plug and special transit cable plug and form a loop, the top in this loop and terminal are on the different contact pins of transit cable plate, top contact pin is connected with an output contact of universal switch, and terminal contact pin is connected with the test lead of multimeter module;
(2) rated voltage is added at the input contact place that universal switch output contact is corresponding; And powered on to loop by software command connection universal switch;
(3) by the output voltage in multimeter module testing loop, read the output voltage of multimeter by software command, if multimeter display translation voltage is nominal voltage number, illustrate that the plug in whole loop has all connected;
Each plug of each universal cordage of test is needed to be linked in different loops respectively other, when detector self-inspection, call and write that test plug is anti-misses subroutine in advance, detect each loop successively, the problem that when this addresses the problem product test, plug is missed.
2. the test cable Anti-misplug system of a virtual instrument, it is characterized in that: this system is comprised and connected in turn by wire and form the transit cable plate in a loop, general transit cable plug, adapter front panel plug, adapter rear panel plug and special transit cable plug, the top in this loop and terminal are on the different contact pins of transit cable plate, top contact pin is also connected with an output contact of universal switch, and terminal contact pin is also connected with the test lead of multimeter module; Each plug of each universal cordage of test is needed to be linked in different loops respectively other, when detector self-inspection, call and write that test plug is anti-misses subroutine in advance, detect each loop successively, the problem that when this addresses the problem product test, plug is missed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426484.2A CN102818966B (en) | 2011-12-19 | 2011-12-19 | Testing cable misinsertion prevention method and system for virtual instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110426484.2A CN102818966B (en) | 2011-12-19 | 2011-12-19 | Testing cable misinsertion prevention method and system for virtual instrument |
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| CN102818966A CN102818966A (en) | 2012-12-12 |
| CN102818966B true CN102818966B (en) | 2015-06-03 |
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| CN201110426484.2A Expired - Fee Related CN102818966B (en) | 2011-12-19 | 2011-12-19 | Testing cable misinsertion prevention method and system for virtual instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103792398A (en) * | 2013-12-09 | 2014-05-14 | 上海无线电设备研究所 | Error-prevention universal circuit board testing adapter |
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| JP2002168899A (en) * | 2000-11-29 | 2002-06-14 | Hioki Ee Corp | Cable inspection method and cable inspection device |
| CN2864704Y (en) * | 2005-09-07 | 2007-01-31 | 上海大众汽车有限公司 | Circuit detecting instrument |
| CN101563619A (en) * | 2006-12-21 | 2009-10-21 | 德雷格医疗系统股份有限公司 | A cable detection system |
| CN101769963A (en) * | 2008-12-29 | 2010-07-07 | 北京卫星环境工程研究所 | Line insulation testing system |
| CN102097717A (en) * | 2009-12-11 | 2011-06-15 | 上海卫星工程研究所 | Automatic detection switchover system for cable |
| CN202433469U (en) * | 2011-12-19 | 2012-09-12 | 中国航空工业集团公司洛阳电光设备研究所 | False-plugging prevention system for test table of virtual instrument |
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2011
- 2011-12-19 CN CN201110426484.2A patent/CN102818966B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388607Y (en) * | 1999-04-21 | 2000-07-19 | 深圳市中兴通讯股份有限公司 | Cable tester |
| JP2002168899A (en) * | 2000-11-29 | 2002-06-14 | Hioki Ee Corp | Cable inspection method and cable inspection device |
| CN2864704Y (en) * | 2005-09-07 | 2007-01-31 | 上海大众汽车有限公司 | Circuit detecting instrument |
| CN101563619A (en) * | 2006-12-21 | 2009-10-21 | 德雷格医疗系统股份有限公司 | A cable detection system |
| CN101769963A (en) * | 2008-12-29 | 2010-07-07 | 北京卫星环境工程研究所 | Line insulation testing system |
| CN102097717A (en) * | 2009-12-11 | 2011-06-15 | 上海卫星工程研究所 | Automatic detection switchover system for cable |
| CN202433469U (en) * | 2011-12-19 | 2012-09-12 | 中国航空工业集团公司洛阳电光设备研究所 | False-plugging prevention system for test table of virtual instrument |
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Owner name: CHINESE PEOPLE'S LIBERATION ARMY IN 613 PLACE MILI Free format text: FORMER OWNER: LUOYANG INSTITUTE OF ELECTRO-OPTICAL EQUIPMENT, AVIATION INDUSTRY CORPORATION OF CHINA Effective date: 20130423 Owner name: CHINA AVIATION INDUSTRY GROUP LUOYANG ELECTRO-OPTI Effective date: 20130423 |
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Correction item: Applicant|Address|Applicant Correct: Luoyang Institute of Electro-Optical Equipment, Aviation Industry Corporation of China|471009 Luoyang City, Henan Province West triumph Road, No. 25 False: The Chinese People's Liberation Army stays 613 military representative rooms|Xigong District 471009 Henan province Luoyang Kaixuan Road No. 25|Luoyang electrooptical equipment Research Institute of China Aviation Industry Group Number: 20 Volume: 29 |
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Owner name: CHINESE PEOPLE'S LIBERATION ARMY IN 613 PLACE MILI Free format text: FORMER OWNER: LUOYANG INSTITUTE OF ELECTRO-OPTICAL EQUIPMENT, AVIATION INDUSTRY CORPORATION OF CHINA Effective date: 20150327 Owner name: LUOYANG INSTITUTE OF ELECTRO-OPTICAL EQUIPMENT, AV Effective date: 20150327 |
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Granted publication date: 20150603 Termination date: 20211219 |