CN104698317A - Virtual tester of automation device - Google Patents
Virtual tester of automation device Download PDFInfo
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- CN104698317A CN104698317A CN201510107739.7A CN201510107739A CN104698317A CN 104698317 A CN104698317 A CN 104698317A CN 201510107739 A CN201510107739 A CN 201510107739A CN 104698317 A CN104698317 A CN 104698317A
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Abstract
The invention provides a virtual tester of an automation device. The virtual tester of the automation device comprises an upper computer embedding system and a device embedding insert connected through two communication modules, the upper computer embedding system comprises a first test item database, the first test item database stores a plurality of test items and the test parameters and the test process control instructions thereof, the test item of the virtual tester of the automation device is repeatable, the test process is saved for file, the expensive test instruments and the peripherals are not required and the test cost is saved for more than 90%; various signal input states can be simulated at the initial stage of development of the product, even the unstable work environment, such as the signal noise, signal mutation, and signal bad point, can also be simulated, all the test functions desired by any developer during the early stage of the development of the product can be realized.
Description
Technical field
The present invention relates to protecting electrical power system and power automatic device technical field of measurement and test, particularly relate to a kind of virtual test instrument for automation equipment.
Background technology
Current power automatic device is at product development and test phase, and more than 99% adopts special test equipment (such as microcomputer relay protection tester) completely, and these equipment prices are all very expensive; and it is heavy; be not easy to carry, some equipment is too huge, can only use in specialized laboratories.Due to expensive, most of enterprise only can purchase seldom overlaps testing tool, and therefore usually a lot of product development personnel and tester must wait in line tester and free out and could continue product function and develop and dependence test work, and work efficiency is lower.Simultaneously, the test channel number that dedicated tester exports, reference test signal are limited, major part cannot apply interfering noise signal, and some test build test environment need expend for a long time, the wiring that general needs are loaded down with trivial details and the line inspection, need stronger professional knowledge, require higher to tester user.
Summary of the invention
The technical problem to be solved in the present invention is: the conventional test methodologies of carrying out electric automation product development& testing for using at present dedicated microcomputer relay-protection tester is limited in tester expensive equipment, heaviness, testing tool function, build test environment loaded down with trivial details etc. in problem; the invention provides the technological gap that electric power automatic production Virtual Test Technology aspect filled up by a kind of virtual test instrument for automation equipment; enhancing the visual and Full coverage test function of power automatic device test, is the useful supplement of relay protection test technology.
The technical solution adopted for the present invention to solve the technical problems is: a kind of virtual test instrument for automation equipment, and comprise the host computer embedded system and device embedding plug-in unit that are connected by two communication modules, described host computer embedded system comprises:
First test event database, described test event database purchase has multiple test event and their test parameter and test process steering order;
Device template definition unit, for defining the analog quantity channel number of described automation equipment, analog quantity channel title, analog quantity channel coefficient, intake port number, intake tunnel name, the amount of outputing port number and the amount of outputing tunnel name;
Human-computer interaction interface, carries out alternately with described host computer embedded system for operating personnel on host computer;
Virtual line unit, the analog quantity of the described automation equipment defined for the analog quantity, intake and the amount of outputing that are provided by described virtual test instrument and described device template definition unit, intake and the amount of outputing carry out virtual link, thus build virtual testing environment on described human-computer interaction interface;
Described device embeds plug-in unit and comprises:
Second test event database, described second test event database is downloaded described multiple test event and their test parameter and test process steering order by communication module and is preserved from described first test event database;
Test signal maker, described test signal is produced device and is used for transferring from described second test event database the test event and its test parameter and test process steering order that need to run, and produce real-time testing signal according to described test parameter and test process steering order, and real-time testing Signal transmissions is given the inner function module of described automation equipment by function interface;
Test process control module; described test process control module is used for protection act signal and the protection exit signal of being monitored described automation equipment by function interface in real time, and by communication module by protection act signal and protection exit Signal transmissions extremely described host computer embedded system.
Concrete, described multiple test event comprises manual test, alternation test, status switch test, stress_responsive genes, time series test, electric energy quality test and the test of bad signal disturbing source.
As preferably, described host computer embedded system also comprises form unit, and described form unit is used for printing and store test results.
As preferably, described host computer embedded system also comprises test process storage unit, for storing last test event, test parameter and virtual testing environment.
Concrete, described communication module comprises Ethernet interface, RS232 interface and CAN interface.
The invention has the beneficial effects as follows, this virtual test instrument test event for automation equipment can repeat, and test process can file, and does not rely on expensive testing tool and peripheral hardware, can save more than 90% testing cost; Various signal input state can have both been simulated at the product development initial stage, or even the working environment of instability, such as signal noise, sign mutation, signal are containing functions such as bad points, this is the test function that any developer wishes to possess at the commitment of product development and design, product development personnel just can study corresponding algorithm and solve these abnormal problems, strengthen product software robustness; Save time, by virtual line function, just can carry out virtual wiring to test signal on computers, product development personnel can be spent more time and is used in challenging work, instead of flower setup test environment those dull and extremely time-consuming on; This technology can be used as unit testing or QAT quality assurance test supplementary means, greatly improves the robustness of relay protection development.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the present invention for the optimum embodiment of the virtual test instrument of automation equipment.
Fig. 2 is the structural representation that device embedding plug-in unit is arranged in automation equipment.
Fig. 3 is the workflow diagram of the present invention for the optimum embodiment of the virtual test instrument of automation equipment.
Embodiment
Be described below in detail embodiments of the invention, 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 present invention, and can not limitation of the present invention being interpreted as.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
In describing the invention, it is to be appreciated that term " first ", " second " etc. are only for describing object, and instruction or hint relative importance can not be interpreted as.In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
Describe and can be understood in process flow diagram or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
As shown in Figure 1, the invention provides a kind of virtual test instrument for automation equipment, comprise the host computer embedded system and device embedding plug-in unit that are connected by two communication modules, communication module comprises Ethernet interface, RS232 interface and CAN interface, independently can define communications protocol or embed virtual test communication interactive function in original communications protocol, host computer embedded system comprises:
First test event database, the first test event database purchase has and comprises the multiple test event such as manual test, alternation test, status switch test, stress_responsive genes, time series test, electric energy quality test and bad signal disturbing source test and their test parameter and test process steering order;
Device template definition unit, for defining the analog quantity channel number of automation equipment, analog quantity channel title, analog quantity channel coefficient, intake port number, intake tunnel name, the amount of outputing port number and the amount of outputing tunnel name, and device embeds plug-in unit and is supplied to the variable information that host computer embedded system uses; This device template definition unit only need be write once, and relevant information needs consistent with tested automation equipment;
Human-computer interaction interface, carries out with host computer embedded system alternately on host computer for operating personnel;
Virtual line unit, the analog quantity of the automation equipment defined for the analog quantity, intake and the amount of outputing that are provided by virtual test instrument and device template definition unit, intake and the amount of outputing carry out virtual link, then on human-computer interaction interface, build virtual testing environment by succinct input or graphic operation;
Form unit, form unit is used for store test results and test result is printed with report form, exchanges for record and analysis;
Test process storage unit, for storing last test event, test parameter and virtual testing environment, during next repeated test, only need open engineering just can repetition measurement project, is greatly convenient to development phase device software amendment project repetition measurement function afterwards;
Device embeds the test function that plug-in unit realizes originally realizing on the dedicated tester of costliness, the functions such as such as test signal generation, feedback signal collection, support noise (such as white noise or transient impact pulse) function of injecting simultaneously, it is embedded in the inside of automation equipment as functional module, therefore it can carry out algorithm optimization according to run automation equipment software platform, according to the difference of test event, do the optimization of coherent signal generating algorithm, reduce and host apparatus cpu resource is taken, as shown in Figure 2, it comprises:
Second test event database, the second test event database is downloaded multiple test event and their test parameter and test process steering order by communication module and is preserved from the first test event database;
Test signal maker, test signal is produced device and is used for transferring from the second test event database the test event and its test parameter and test process steering order that need to run, and produce real-time testing signal according to test parameter and test process steering order, and by function interface by real-time testing Signal transmissions to the inner function module of automation equipment, it uses the high-resolution timer in automation equipment to drive, in timing sampling interruption or separate high accuracy Interruption, the generation computing of each step real-time testing signal is carried out according to the performance of automation equipment, and be kept at device and embed in plug-in unit inner real-time testing signal data buffer area and access for the inner function module of automation equipment,
Test process control module; test process control module is used for by the protection act signal of the real-time monitoring automation device of function interface and protection exit signal; the displacement situation of real time monitoring protection exit signal; the record outlet displacement moment, and by communication module by protection act signal and protection exit Signal transmissions to host computer embedded system.
As shown in Figure 3, for the manual test to line protective devices overcurrent one segment protect, the specific works process of this virtual test instrument for automation equipment is described:
1. in host computer, open host computer embedded system;
If 2. line protective devices are not also defined template, just set up this device template by device template definition unit, essential information main definitions of ac, intake and the amount of outputing information, preserve this device template;
3. select " manual test " project, according to route protection overcurrent one section of definite value, at manual test parameter interface current channel input current working value and normal voltage numerical value;
4. by current-mode analog quantity passage and the line protective devices analog quantity channel line of virtual line unit editor virtual test instrument, and unit protection exports signal and virtual test instrument intake input channel line, preserves line data;
5. select communication interface, set associated communication parameter, start relay protective scheme and automatically test;
6. test process process; device embeds plug-in unit can according to test parameter; real-time generation real-time testing signal; device directly uses this real-time testing signal to carry out collection computing in test process; during overcurrent protection action outlet; outlet signal-virtual is connected to the intake of virtual test instrument, and device embeds plug-in unit and will record this action displacement situation, can be used for analyzing operating time of protection characteristic and whether meets design requirement (under not considering actuating relay condition).
In the description of this instructions, 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 invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of described 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.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (5)
1. for a virtual test instrument for automation equipment, it is characterized in that: comprise the host computer embedded system and device embedding plug-in unit that are connected by two communication modules, described host computer embedded system comprises:
First test event database, described first test event database purchase has multiple test event and their test parameter and test process steering order;
Device template definition unit, for defining the analog quantity channel number of described automation equipment, analog quantity channel title, analog quantity channel coefficient, intake port number, intake tunnel name, the amount of outputing port number and the amount of outputing tunnel name;
Human-computer interaction interface, carries out alternately with described host computer embedded system for operating personnel on host computer;
Virtual line unit, the analog quantity of the described automation equipment defined for the analog quantity, intake and the amount of outputing that are provided by described virtual test instrument and described device template definition unit, intake and the amount of outputing carry out virtual link, thus build virtual testing environment on described human-computer interaction interface;
Described device embeds plug-in unit and comprises:
Second test event database, described second test event database is downloaded described multiple test event and their test parameter and test process steering order by communication module and is preserved from described first test event database;
Test signal maker, described test signal is produced device and is used for transferring from described second test event database the test event and its test parameter and test process steering order that need to run, and produce real-time testing signal according to described test parameter and test process steering order, and real-time testing Signal transmissions is given the inner function module of described automation equipment by function interface;
Test process control module; described test process control module is used for protection act signal and the protection exit signal of being monitored described automation equipment by function interface in real time, and by communication module by protection act signal and protection exit Signal transmissions extremely described host computer embedded system.
2. as claimed in claim 1 for the virtual test instrument of automation equipment, it is characterized in that: described multiple test event comprises manual test, alternation test, status switch test, stress_responsive genes, time series test, electric energy quality test and the test of bad signal disturbing source.
3. as claimed in claim 2 for the virtual test instrument of automation equipment, it is characterized in that: described host computer embedded system also comprises form unit, described form unit is used for printing and store test results.
4. as claimed in claim 3 for the virtual test instrument of automation equipment, it is characterized in that: described host computer embedded system also comprises test process storage unit, for storing last test event, test parameter and virtual testing environment.
5., as claimed in claim 4 for the virtual test instrument of automation equipment, it is characterized in that: described communication module comprises Ethernet interface, RS232 interface and CAN interface.
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| CN201510107739.7A CN104698317A (en) | 2015-03-11 | 2015-03-11 | Virtual tester of automation device |
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| CN201510107739.7A CN104698317A (en) | 2015-03-11 | 2015-03-11 | Virtual tester of automation device |
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| CN105955232A (en) * | 2016-04-22 | 2016-09-21 | 北京广利核系统工程有限公司 | I/O module channel automatic testing method and system in power station DCS |
| CN106227065A (en) * | 2016-09-06 | 2016-12-14 | 南京大全自动化科技有限公司 | A kind of microcomputer protective relay device simulation system |
| CN106712302A (en) * | 2017-02-15 | 2017-05-24 | 国网安徽省电力公司宣城供电公司 | Offline test system for expansion and maintenance equipment in substation |
| CN108061833A (en) * | 2017-12-14 | 2018-05-22 | 南京能云电力科技有限公司 | Test equipment automatic checkout system and method based on virtual test instrument interface module |
| CN110672944A (en) * | 2019-09-27 | 2020-01-10 | 中国兵器装备集团上海电控研究所 | Simulation test method, system, medium and equipment suitable for fire extinguishing device detection |
| CN114125122A (en) * | 2022-01-24 | 2022-03-01 | 深圳市杰美特科技股份有限公司 | Multifunctional mobile phone protective sleeve with flexible touch screen and test method thereof |
| CN115201699A (en) * | 2022-02-22 | 2022-10-18 | 南方电网电力科技股份有限公司 | Automatic testing system and method for functions of energy storage system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105955232A (en) * | 2016-04-22 | 2016-09-21 | 北京广利核系统工程有限公司 | I/O module channel automatic testing method and system in power station DCS |
| CN105955232B (en) * | 2016-04-22 | 2018-10-19 | 北京广利核系统工程有限公司 | I/O module channels automated testing method and system in a kind of power station DCS |
| CN106227065A (en) * | 2016-09-06 | 2016-12-14 | 南京大全自动化科技有限公司 | A kind of microcomputer protective relay device simulation system |
| CN106712302A (en) * | 2017-02-15 | 2017-05-24 | 国网安徽省电力公司宣城供电公司 | Offline test system for expansion and maintenance equipment in substation |
| CN108061833A (en) * | 2017-12-14 | 2018-05-22 | 南京能云电力科技有限公司 | Test equipment automatic checkout system and method based on virtual test instrument interface module |
| CN110672944A (en) * | 2019-09-27 | 2020-01-10 | 中国兵器装备集团上海电控研究所 | Simulation test method, system, medium and equipment suitable for fire extinguishing device detection |
| CN110672944B (en) * | 2019-09-27 | 2021-11-09 | 中国兵器装备集团上海电控研究所 | Simulation test method, system, medium and equipment suitable for fire extinguishing device detection |
| CN114125122A (en) * | 2022-01-24 | 2022-03-01 | 深圳市杰美特科技股份有限公司 | Multifunctional mobile phone protective sleeve with flexible touch screen and test method thereof |
| CN115201699A (en) * | 2022-02-22 | 2022-10-18 | 南方电网电力科技股份有限公司 | Automatic testing system and method for functions of energy storage system |
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Application publication date: 20150610 |