CN207352604U - A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts - Google Patents
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts Download PDFInfo
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Abstract
The utility model discloses a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts, belong to distribution automation device to test technical field.It includes test main frame and test equipment, further include I/O controller and selecting switch, test main frame is connected with I/O controller, test equipment and tested device, and I/O controller, selecting switch and tested device are sequentially connected, and test equipment, selecting switch and tested device are sequentially connected.For the problem that low there are efficiency in the Power System Intelligent equipment manual testing of the prior art, error rate is high, and the utility model provides a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts.The set is tested system and is designed according to a kind of expansible general automation test frame, realizes the closed loop automatic testing without manual intervention, ensure that the uniformity and reliability of test result.
Description
Technical field
The present invention relates to distribution automation device to test technical field, more particularly to a kind of intelligence based on LUA scripts to match somebody with somebody
Transformer terminals automatization test system.
Background technology
Automatic test is exactly the autotest program for performing automatic testing instrument or being worked out with certain programming language,
Test equipment and tested device are controlled, simulates manual test step, collects test data and judging result, completes test job.
With the development of microelectric technique, computer technology, the communication technology, a large amount of embedded intelligence devices (IDTT, DTU,
FTU, TTU, FCI) it is widely applied in distribution.The application of these intelligent apparatus so that distribution automation degree has obtained very
It is big to improve, realize the unattended or few man on duty of distribution network operation.
But these collection networkings, intelligence, protection, measure, to be controlled in integral embedded intelligence apparatus function complicated,
It is developed, test is all relatively difficult, and many test events can not be completed in the case of manual operations, this just gives distribution intelligence
The measuring technology of energy device proposes new requirement and new challenge.Distribution automation device -- intelligent distribution transformer terminals test at present
Mainly traditional manual testing's method, since the complexity of intelligent apparatus and security requirement are all higher, completely using hand
The repertoire of the scheme finishing device of work test and performance test usual cycle are longer, it usually needs 3 to 5 week, efficiency
Lowly, and manual testing's work repeatability is very high, easily leads to personnel's fatigue and obtains error result.
Lua is a kind of compact script, and Lua scripts can be easily by C/C++ code calls, can also anti-mistake
To call the function of C/C++.Lua can be embedded in application program, and flexible extension and customization function are provided for application program.Lua
Write and formed by standard C, code precision and elegance almost can compilation run in all operating systems and platform.The mesh of Lua
Mark is to become a language for being easy to use in embedded other Languages.
The test mode of Power System Intelligent device relies primarily on professional test engineer using specific test at present
Instrument carries out manual testing, and product quality and test effect depend on the experience and level of tester.And manual testing without
Method meets function and the performance test requirement of intelligent apparatus, as synchronization happens suddenly multiple logic communications to same tested device
The functional test established is connected, manual operations can not be completed.
It is advanced that C/C++, java, C# etc. is usually used in existing minority Power System Intelligent plant automation test system
Language, is realized for specific tested device, test equipment Direct Programming, and it is tested that same set of test software can only be directed to certain one kind
Device and test equipment carry out automatic test, when the equipment for having new difference in functionality needs to realize automatic test, it is necessary to weight
Testing system software newly developed, does not possess versatility and autgmentability.Test main frame end is only used for test case using script
Design, input test data, control test logic, but do not have using script to test equipment progress Classification Management, to similar
As test equipment carry out attribute and method and be abstracted, script interface is only applicable to the test equipment of particular vendors or specific model
And equipment.
The distributed structure of test system generally use is built, and a set of test equipment is only used for a tested device, is needed
The distributed computer and the test equipment quantity of specialty wanted are more, and investment is larger, and the deployment of distributed system is more multiple
It is miscellaneous.
Chinese invention patent application, application number：2014103840133, publication date：On August 9th, 2015, discloses one kind
Intelligent distribution type feeder automation logic testing system, the invention are tested circuit normal work or malfunction by simulating, by
Fault simulator produces voltage signal and/or current signal, corresponding on-off model is produced by switching simulator, via communication
Interface is sent to the distribution terminal in tested circuit as test signal, the distribution terminal is formed it according to test signal
Switching-state information, the test system is fed back to via communication interface, by judging whether the switching-state information accords with
Processing logic when tested circuit normal work or malfunction is closed, realizes that orderly to distribution terminal, accurately and efficiently intelligence is divided
Cloth feeder automation logic testing.It is disadvantageous in that：The test system is using more set of fault simulators, switch simulation
Device, test software and test master control machine laboratory simulations distribution network system line topological, it is whole primarily directed to multiple distribution
Hold the distributed feeder automation logical process function of cooperating during failure to be tested, and need to design specific failure
Analog hardware and switch analog hardware, do not possess versatility, belong to the special test system of a set of specific function.
Chinese invention patent application, application number：2015102969616, publication date：On August 9th, 2015, the disclosure of the invention
A kind of Cross Platform Interface automated testing method, this method include：Test program is write according to call format, and is compiled as moving
State storehouse, the dynamic base is loaded by interpreter, and it is initialized；According to order input by user, the order is explained
And parameter, call the function previously generated in the dynamic base to be tested.The invention is by generating the dynamic base, realization pair
The calling of each interface of server-side, completes testing example design according to the calling combination to the interface, ensures in the clothes
The test program can make no modifications in the case that business end interface is constant, called by the combination for increasing distinct interface
Into test, the workload of tester and the error probability of the test program are greatly reduced, while beneficial to the test
The maintenance of program.It is disadvantageous in that：The patent is to be used to solve the problems, such as that autotest program is too fat to move, error-prone, although
And by way of designing dynamic base and forming interface, but the patent with it is of the invention solve the problems, such as it is different.The patent towards
Be pure software program test, the use of dynamic base, will be common primarily to the redundancy for reducing program is write and design iterations
Functional interface module decompose in different dynamic bases, complete program layering decoupling.
The content of the invention
1. technical problems to be solved by the inivention
For the problem that low there are efficiency in the Power System Intelligent equipment manual testing of the prior art, error rate is high, this
Invention provides a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts.Set test system can according to one kind
The general automation test frame design of extension, realizes the closed loop automatic testing without manual intervention, ensure that test result
Uniformity and reliability.
2. technical solution
To solve the above problems, technical solution provided by the invention is：
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts, including test main frame and test equipment, also
Including I/O controller and selecting switch, test main frame is connected with I/O controller, test equipment and tested device, I/O controller, choosing
Select switch and tested device is sequentially connected, test equipment, selecting switch and tested device are sequentially connected.
Preferably, the selecting switch is electric-controlled switch wiring matrix, I/O controller, electric-controlled switch wiring matrix and by
Survey device to be sequentially connected, test equipment, electric-controlled switch wiring matrix and tested device are sequentially connected.
Preferably, the tested device is intelligent distribution transformer terminals.
Preferably, test main frame is connected by communication network with I/O controller, test equipment and tested device, and described is logical
It is ethernet switch or serial port expanding module to interrogate network.
Preferably, the test equipment includes relay-protection tester and direct-flow signal generator, and test main frame passes through
Communication network is connected with I/O controller, relay-protection tester, direct-flow signal generator and tested device respectively, test equipment,
I/O controller, relay-protection tester and direct-flow signal generator are connected with electric-controlled switch wiring matrix respectively, and electric-controlled switch connects
Wire matrix is connected with tested device.
Preferably, the test equipment includes relay-protection tester and direct-flow signal generator, and test main frame passes through
Communication network is connected with I/O controller, relay-protection tester, direct-flow signal generator and tested device respectively, test equipment,
I/O controller, relay-protection tester and direct-flow signal generator are connected with selecting switch respectively, selecting switch and tested device
Connection.
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts, including test main frame and test equipment, are surveyed
Examination host includes test system, and the test system includes LUA test cases, LUA communication protocols interface layer, LUA testers
Device level of abstraction, power communication stipulations dynamic base and test equipment dynamic base, wherein, power communication stipulations dynamic base is communicated with LUA
Stipulations interface layer connects, and LUA communication protocols interface layer is connected with LUA test cases, test equipment dynamic base and LUA test equipments
Level of abstraction connects, and LUA test equipments level of abstraction is called for LUA test cases, and test main frame passes through communication network and test equipment
Connected with tested device.
Preferably, the test equipment includes relay-protection tester and direct-flow signal generator, and test main frame passes through
Communication network is connected with I/O controller, relay-protection tester, direct-flow signal generator and tested device respectively, I/O controller,
Relay-protection tester and direct-flow signal generator are connected with electric-controlled switch wiring matrix respectively, electric-controlled switch wiring matrix with it is more
A tested device connection.
Preferably, the test system is divided into three layers, and LUA test cases are first layer, LUA communication protocol interfaces
Layer and LUA test equipments level of abstraction are the second layer, and power communication stipulations dynamic base and test equipment dynamic base are third layer.
Preferably, the LUA communication protocols interface layer is power communication stipulations LUA interfaces, the LUA test equipments
Level of abstraction is abstracted LUA interfaces including direct-flow signal generator and relay-protection tester is abstracted LUA interfaces.
A kind of intelligent distribution transformer terminals automated testing method based on LUA scripts：
A, a kind of above-described intelligent distribution transformer terminals automatization test system based on LUA scripts is built, LUA is completed and surveys
Example, LUA communication protocols interface layer, LUA test equipments level of abstraction, power communication stipulations dynamic base and test equipment dynamic base on probation
Structure, complete the physics wiring of test main frame, test equipment and tested device；
B, confirm whether equipment under test is supported to communicate with existing power communication stipulations dynamic base in test system, such as
Fruit is then to configure communication data point table according to the stipulations of selection, and chooses LUA test cases for equipment under test, performs step
C-I, if it is not, building the corresponding power communication stipulations dynamic base of the equipment under test, choosing LUA tests for equipment under test uses
Example, performs step C-I；
C, the address information corresponding with electric-controlled switch wiring matrix of tested device has been configured in test main frame
I/O controller parameter, starts test assignment；
D, test equipment logical device is created, the communication for establishing test equipment and test main frame connects, and initialization test
Instrument；
Test equipment logical device, refers to the logic of test case, such as relay protection tester or signal generator, and test is used
Need to create one and the corresponding logical abstraction equipment of physical testing instrument in example；
E, test main frame connects tested device by the power communication stipulations dynamic base for the system of testing, and is obtained by stipulations
The data and event of tested device；Circulation always call together be 104 stipulations of electric power obtain tested device data a kind of specific means, difference
The service of acquisition data and thing that is provided of stipulations can be variant；
F, test main frame is by power communication stipulations dynamic base and corresponding power communication stipulations LUA interfaces, transfers pair
The LUA test cases answered test tested device；
G, after the test for completing LUA test cases, test record is generated, stops test equipment operation, disconnects host with surveying
The connection of test instrument and tested device；
If H, tested device is related to multiple LUA test cases, repeat step D-F, until complete tested device be related to it is more
The test of a LUA test cases；
I, equipment under test also to be measured is judged whether, if any repeat step C, test main frame is controlled by communication network to IO
Device processed sends signal, and I/O controller control test equipment is connected with next equipment under test, then performs D-H, completion pair successively
The test of equipment under test, repeats test of this step until completing all equipment under tests, stops test equipment operation, disconnect master
Machine and the connection of test equipment and tested device, if being not over.
Preferably, step F, test main frame can be according to the address of tested device in Lua test case implementation procedures
First transmitting order to lower levels selects tested device to I/O controller, under then being controlled by test main frame according to LUA test cases script logic
Say the word and carry out device involution to tested device, then issue parameter and order and give tested device dosage to test equipment.
Preferably, LUA test cases obtain the test result information of test equipment and the data of tested device automatically, and right
Test data carries out stored record and automatic criterion.
Preferably, the next tested device for needing to test is selected by I/O controller in step I, repeats LUA tests
Use-case, until test is completed or is stopped manually.
Preferably, step A, LUA communication protocol interface layer and LUA test equipment level of abstractions, are designed using LUA Programming with Pascal Language
Realize, power communication stipulations dynamic base and test equipment dynamic base, realize that dynamic base designs using C/C++, utilize LUA and C/C+
Parameter passing mechanism between+language realizes calling of the LUA scripts to C/C++ functions in dynamic base, reaches the LUA feet of level of abstraction
This interface calls the effect of the C/C++ dynamic built-in functions of stand-alone development.
Preferably, test main frame running environment is built, compiling installation, test equipment including LUA script interpreters
The exploitation and composition of interface dynamic base and the Communication Protocol Implementation Interface dynamic base carried out with tested device are developed.
3. beneficial effect
Using technical solution provided by the invention, compared with prior art, have the advantages that：
(1) method of the invention solves in manual testing that efficiency is low, and error rate is high, and Test coverage is limited and tests
Divide and rely on the basic problem such as tester's technical ability and attainment, realize the closed loop automatic testing without manual intervention, ensure that survey
The uniformity and reliability of test result；
(2) method of the invention utilizes the tested intelligent apparatus access test of I/O module control using the system architecture of centralization
The mode of system reduces the quantity of professional test instrument, is that user is cost-effective；This method whole process can be improved without manual intervention
Test coverage and testing efficiency, reduce test operation workload, improve the utilization rate of test equipment；
(3) it is efficient to take full advantage of Lua language conciseness for method of the invention, can be embedded into the characteristics of being performed in C/C++,
The data tested automatically input and process logic not only are controlled with Lua scripts, also by Lua scripts to different tested intelligence
Device and test equipment carry out abstraction interface encapsulation and modularization management, greatly improve versatility, the extension of test platform
Property and flexibility, while there is intelligence, generalization, the degree of automation is high and the characteristic such as Test coverage variation, can be more preferable
The automatic test for serving distribution intelligent apparatus；Lua test cases have good versatility, autgmentability and reusable
Property.The different manufacturers of identical function, the test equipment of different model can be designed using identical Lua interfaces, be expanded
The use scope of Lua test cases；
(4) test method of the invention automatically generates the test report of reference format, easy to positioning problems, the analysis of causes and
Test and management；
(5) method of the invention can utilize a set of test test equipment, primary connection deployment to complete more tested devices
Automatic test；
(6) test method of the invention has the characteristics that uniformity and repeatability, can by working out test case in advance
To reduce interference from human factor, the randomness and blindness of test are excluded；Make tester from manual operations that is simple, repeating
Free, be absorbed in test method, testing example design, improve testing efficiency and testing reliability；And can be abundant
Using hardware resource, the test that manual test can not be carried out due to time or running environment limitation is completed, ensure that test
Integrality, so that reach shortening product development cycle, the target quickly to put goods on the market；
(7) automatic test of the invention can call communication interface function by Lua Script Programmings, control tester
Calculation machine has happened suddenly up to a hundred times to same tested device in 1 second and has communicated connection；
(8) the present invention is directed it is single intelligence distribution transformer terminals device repertoire and performance automatic test, and
The present invention takes full advantage of the compatibility of LUA language, can be directly using existing more on the market by the way of dynamic base loading
The test equipment of the different model of a instrument producer is tested, and has good autgmentability and versatility；
(9) the present invention is directed hardware product functional test, is realized using dynamic base loading and LUA scripts and hardware is surveyed
The support and extension of test instrument.The insertion adhesiveness and compatibility of a variety of other program languages, realization pair are supported using LUA language
The interface management of different test equipment equipment, each test equipment can be loaded with independent design dynamic base interface library for LUA scripts
Use；
(10) automatization test system of the invention is performed using Lua scripts control test logic combination computer
Rapidity and not intermittent test an intelligent distribution transformer terminals device and normally only needed for 1 week.
Brief description of the drawings
Fig. 1 is the test block diagram of system of the present invention；
Fig. 2 is the hierarchical design and device pool management schematic diagram of the Lua script interfaces of the present invention；
Fig. 3 is the hierarchical design and device pool management schematic diagram of Lua script Auto-Test Systems；
Fig. 4 is the LUA test equipment level of abstractions of relay-protection tester；
Fig. 5 is test assignment execution flow chart；
Fig. 6 is Lua voltage accuracy test case flow charts；
Fig. 7 is Lua harmonic wave accuracy test use-case flow charts；
Fig. 8 is Lua operating time of protection test case flow charts.
Embodiment
To further appreciate that present disclosure, with reference to accompanying drawings and embodiments, the present invention is described in detail.
Embodiment 1
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as illustrated in fig. 1 and 2, bag
Include test main frame and test equipment, further include I/O controller and selecting switch, test main frame and I/O controller, test equipment and by
Survey device connection, I/O controller, selecting switch and tested device be sequentially connected, test equipment, selecting switch and tested device according to
Secondary connection.
Test main frame is switched by I/O controller control selections, is connected with corresponding tested device, and test main frame is to test
Instrument sends instruction and tested device is tested, and hardware device needed for the system is less, and corresponding test method whole process need not
Manual intervention, can improve test coverage and testing efficiency, reduce test operation workload, improve the utilization rate of test equipment.
Embodiment 2
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as illustrated in fig. 1 and 2,
Make further improvement on the basis of embodiment 1, selecting switch is electric-controlled switch wiring matrix, I/O controller, electric-controlled switch
Wiring matrix and tested device are sequentially connected, and test equipment, electric-controlled switch wiring matrix and tested device are sequentially connected.
Test main frame controls electric-controlled switch wiring matrix by I/O controller, is connected with corresponding tested device, test master
Machine sends instruction to test equipment and tested device is tested, and this method whole process can improve Test coverage without manual intervention
Rate and testing efficiency, reduce test operation workload, improve the utilization rate of test equipment.
Embodiment 3
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as illustrated in fig. 1 and 2,
Further improvement is made on the basis of embodiment 1 or 2, the tested device is intelligent distribution transformer terminals.
Existing intelligence distribution transformer terminals are installed on by high-tension apparatus, and test environment is severe, and efficiency is low in manual testing, error
Rate is high, and Test coverage is limited and test is undue relies on the basic problem such as tester's technical ability and attainment, and the present embodiment realizes
Without the closed loop automatic testing of manual intervention, the uniformity and reliability of test result ensure that.
Embodiment 4
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as illustrated in fig. 1 and 2,
Make further improvement on the basis of embodiment 1 or 3, test main frame by communication network and I/O controller, test equipment and
Tested device connects, and the communication network is ethernet switch or serial port expanding module.The fast and reliable of communication is ensure that, to survey
Examination provides strong signal transmission guarantee.
Embodiment 5
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as illustrated in fig. 1 and 2,
Further improvement is made on the basis of embodiment 1 or 4, the test equipment includes relay-protection tester and direct current signal
Generator, test main frame by communication network respectively with I/O controller, relay-protection tester, direct-flow signal generator and tested
Device connect, test equipment, I/O controller, relay-protection tester and direct-flow signal generator respectively with electric-controlled switch wiring square
Battle array connection, electric-controlled switch wiring matrix are connected with tested device.
The present embodiment selection test equipment is relay-protection tester and direct-flow signal generator, disclosure satisfy that most of intelligence
The demand of energy distribution transformer terminals automatic test, it is not necessary to cross multi-hardware equipment and participate in, without manual intervention, Test coverage can be improved
Rate and testing efficiency, reduce test operation workload, improve the utilization rate of test equipment.
Embodiment 6
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as illustrated in fig. 1 and 2,
Further improvement is made on the basis of embodiment 1 or 4, the test equipment includes relay-protection tester and direct current signal
Generator, test main frame by communication network respectively with I/O controller, relay-protection tester, direct-flow signal generator and tested
Device connects, and test equipment, I/O controller, relay-protection tester and direct-flow signal generator are connected with selecting switch respectively,
Selecting switch is connected with tested device.
Embodiment 7
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as shown in Figure 1, including
Test main frame and test equipment, test main frame include test system, and the test system includes LUA test cases, LUA is communicated
Stipulations interface layer, LUA test equipments level of abstraction, power communication stipulations dynamic base and test equipment dynamic base, wherein, power communication
Stipulations dynamic base is connected with LUA communication protocol interface layers, and LUA communication protocols interface layer is connected with LUA test cases, test equipment
Dynamic base is connected with LUA test equipment level of abstractions, and LUA test equipments level of abstraction is connected with LUA test cases, and test main frame passes through
Communication network is connected with test equipment and tested device.
Power communication stipulations dynamic base and test equipment dynamic base are as the bottom corresponding and tested device and test respectively
Instrument directly accesses connection, LUA communication protocols interface layer and LUA test equipments level of abstraction as middle level, up with test case
Connection, down corresponds to power communication stipulations dynamic base respectively and test equipment dynamic base provides the interface for accessing test case.
This embodiment reduces the quantity of hardware device in test process, without manually participating in, solves in manual testing
Efficiency is low, and error rate is high, and Test coverage is limited and test is undue relies on the basic problem such as tester's technical ability and attainment, realizes
Closed loop automatic testing without manual intervention, ensure that the uniformity and reliability of test result.
Embodiment 8
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as shown in Figure 1, conduct
The further improvement of embodiment 7, the test equipment include relay-protection tester and direct-flow signal generator, test main frame
It is connected respectively with I/O controller, relay-protection tester, direct-flow signal generator and tested device by communication network, IO controls
Device, relay-protection tester and direct-flow signal generator are connected with electric-controlled switch wiring matrix respectively, electric-controlled switch wiring matrix
It is connected with multiple tested devices.
Embodiment 9
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as shown in Figure 1, conduct
The further improvement of embodiment 7 or 8, the test system are divided into three layers, and LUA test cases are first layer, and LUA is communicated
Stipulations interface layer and LUA test equipments level of abstraction are the second layer, and power communication stipulations dynamic base and test equipment dynamic base are the
Three layers.
Embodiment 10
A kind of intelligent distribution transformer terminals automatization test system based on LUA scripts of the present embodiment, as shown in Figure 1, conduct
The further improvement of embodiment 7-9, the LUA communication protocols interface layer are power communication stipulations LUA interfaces, the LUA
Test equipment level of abstraction is abstracted LUA interfaces including direct-flow signal generator and relay-protection tester is abstracted LUA interfaces.
Embodiment 11
A kind of intelligent distribution transformer terminals automated testing method based on LUA scripts of the present embodiment：
A, a kind of intelligent distribution transformer terminals automatic test based on LUA scripts described in embodiment 1-10 any one is built
System, complete LUA test cases, LUA communication protocols interface layer, LUA test equipments level of abstraction, power communication stipulations dynamic base and
The structure of test equipment dynamic base, completes the physics wiring of test main frame, test equipment and tested device；
Test main frame running environment is built, compiling installation, test equipment interface dynamic including LUA script interpreters
The exploitation and composition in storehouse and the Communication Protocol Implementation Interface dynamic base carried out with tested device are developed.
LUA communication protocols interface layer and LUA test equipment level of abstractions, are designed using LUA Programming with Pascal Language and realized, power communication
Stipulations dynamic base and test equipment dynamic base, realize that dynamic base designs using C/C++, utilize the ginseng between LUA and C/C++ language
Number pass through mechanism realizes calling of the LUA scripts to C/C++ functions in dynamic base, and the LUA script interfaces for reaching level of abstraction are called solely
The effect of the C/C++ dynamic built-in functions of vertical exploitation.
B, confirm whether equipment under test is corresponding with existing power communication stipulations dynamic base in test system, if so, being
Equipment under test chooses LUA test cases, performs step C-I, if it is not, building the corresponding power communication rule of the equipment under test
About dynamic base, chooses LUA test cases for equipment under test, performs step C-I；
C, test assignment is started；
D, test equipment logical device is created, the communication for establishing test equipment and test main frame connects, and initialization test
Instrument；
E, test main frame connects tested device by the power communication stipulations dynamic base for the system of testing, and circulates and always call remote measurement together
Data；
F, test main frame is by power communication stipulations dynamic base and corresponding power communication stipulations LUA interfaces, transfers pair
The LUA test cases answered test tested device；Test main frame can be according to tested dress in LUA test case implementation procedures
The IP address elder generation transmitting order to lower levels put selects tested device to I/O controller, then by test main frame according to LUA test case scripts
Logic control transmitting order to lower levels carries out device involution to tested device, then issues parameter and order and add to test equipment to tested device
Amount；
G, LUA test cases obtain the test result information of test equipment and the data of tested device automatically, and to test
Data carry out stored record and automatic criterion, after the test for completing LUA test cases, generate test record, stop test equipment
Operation, disconnects host and the connection of test equipment and tested device；
If H, tested device is related to multiple LUA test cases, repeat step D-F, until complete tested device be related to it is more
The test of a LUA test cases；
I, equipment under test also to be measured is judged whether, if any repeat step C, test main frame is controlled by communication network to IO
Device processed sends signal, and I/O controller control test equipment is connected with next equipment under test, then performs D-H, completion pair successively
The test of equipment under test, repeats test of this step until completing all equipment under tests, stops test equipment operation, disconnect master
Machine and the connection of test equipment and tested device, if being not over；
The next tested device for needing to test is selected by I/O controller, LUA test cases are repeated, until testing
Into or manually stop.
Embodiment 12
The present embodiment is further improved on the basis of embodiment 7-11, the most like prior art realization side with the present invention
Case：Traditional manual testing's scheme.Automatization test system scheme, the technic relization scheme of this method are as follows：Utilize one
Windows computers are responsible for script management, interface display, test process log recording, test report life as test main frame
Production, while communicate with test equipment and tested device.Test main frame, which is explained, performs test script, and parameter is issued by communication network
With control command to I/O controller, test equipment and tested intelligent apparatus, test equipment output is set specifically to measure to selected
Tested intelligent apparatus side.Test script collects quilt with wired ethernet transmission communication mode (ethernet switch or serial port expanding module)
Survey intelligent apparatus (equipment under test or device) data message, including the collection measurement data of tested device, status data,
Systematic parameter, protection definite value, data result of calculation, statistical result etc., and it is automatically performed test result according to the data being collected into
Judge, and generate test report record.Test main frame shows the execution of each test case in test process according to Lua scripts
Journey and implementing result, it is whole without manual intervention, form automated closed-loop test.It is as shown in Figure 1 to test the block diagram of system.
The hierarchical design and device pool management schematic diagram of Lua script Auto-Test Systems, as shown in figure 3, test main frame with
Test computer is equal, and lua scripts test system is divided into triple layer designs, and topmost one layer is Lua testing example designs, bag
Used containing a large amount of existing Lua standards bank interfaces supplies with developer, automatic tester according to specific functional test item and
Test logic is easily accomplished Test Sample Design.
The general logic flow of Lua test cases：
1st, test main frame connecting test instrument, Lua scripts abstraction interface call the corresponding dynamic built-in function of bottom to connect automatically
Mouthful, the communication for completing test main frame and test equipment connects.
2nd, test main frame connection tested device, the power communication stipulations such as 101/ that Lua scripts selection tested device is supported
The communication that 104 grades are established between test main frame connects.
3rd, initialization test instrument, Lua scripts call LUA test equipment level of abstractions, initialization test instrument to specific shape
State.
4th, involution tested device, Lua scripts call power communication stipulations involution order initialize tested device to some
The original state specified.
5th, load test data, Lua call LUA test equipment level of abstractions, and test parameter is downloaded to survey from LUA test cases
Test instrument.
6th, test equipment is controlled to call abstract service interface to make tester to tested device dosage or trigger event, Lua
Device exports the voltage specified, electric current, phase signal or outputs action event.
7th, tested device data update is waited either to be sent to test main frame lua in event tested by timing or inquiry
The mode of event is sent to wait tested device to complete data processing or action on device.
8th, tested device data are read, lua calls LUA communication protocol interface layers, and test main frame is always called together inside tested device
Remote measurement, the data such as remote signalling.
9th, test result criterion, according to the test data (being obtained from LUA test cases) of download and the tested dress being collected into
Whether data processing or the logical action for putting data judgment means are consistent with desired result.Can be with according to test logic requirement
Step 5 is jumped to, repeats 5~9, change test data, which is performed a plurality of times or does not change test data, to be repeated.
10th, test report is write, lua scripts will test test data, device feedback data and the criterion result used
In the report file of write-in.
11st, test equipment is stopped, lua abstraction interfaces call service function control test equipment to stop output voltage, electric current
Deng signal.
12nd, test equipment is disconnected, lua abstraction interfaces call service function to disconnect and are connected with the communication of test equipment.
13rd, equipment under test is disconnected, lua abstraction interfaces call LUA communication protocol interface layers to disconnect order interruption and quilt
Survey the communication connection of device.
Embodiment 13
The present embodiment is further improved on the basis of embodiment 7-12, and the second layer provides common electric power communication protocol and survey
The abstract Lua interfaces of test instrument, realize Classification Management of the Lua scripts to test equipment, the test to identical function different vendor
Instrument takes out identical method and behavior, and connects tested device for Lua scripts and provide common electric power stipulations bank interface, this
One layer is realized using lua Programming with Pascal Language design, and lua scripts pair are realized using the parameter passing mechanism between Lua and C/C++ language
The calling of C/C++ functions in dynamic base, the lua script interfaces for reaching level of abstraction call the C/C++ dynamic built-in functions of stand-alone development
Effect.It need not be compiled with reference to Lua and new test equipment dynamic base conveniently be extended the characteristics of can running and communication protocol is moved
State storehouse is used into test system.(see Fig. 4)
LUA test equipment abstraction layer interface design procedures：
1st, according to the function and characteristic of test equipment, general-purpose attribute and the service of this class testing instrument are taken out.
2nd, according to the attribute and service taken out, Lua language definition test equipment data structures and service interface mould are utilized
Type.
3rd, the modularized encapsulation of service function, Lua test equipments are realized according to the interface model defined using Lua language
The test equipment type parameter that level of abstraction service function can be passed in realizing according to service interface loads the dynamic of corresponding instrument automatically
State storehouse, calls the C/C++ power functions of the test equipment to realize specific service function.
LUA communication protocol abstraction layer design procedures：
1st, according to the function and feature of selected power communication stipulations, attribute and the service of stipulations are taken out.
2nd, according to the attribute and service taken out, the data structure and interface model of Lua language definition communication protocols are utilized.
3rd, the encapsulation of service function is realized according to the interface model defined using Lua language, Lua language services realize letter
The stipulations parameter being passed in number according to service interface loads the dynamic base of corresponding stipulations automatically, calls the C/C++ work(in dynamic base
Energy function realizes specific stipulations service function.
Embodiment 14
The present embodiment is further improved on the basis of embodiment 7-13, and third layer is related for specific test equipment/equipment
Dynamic bank interface, this layer is closely related with hardware, is that others can be used with first and second layer of maximum difference
Programming language (C/C++, C#, VB) realizes the design of dynamic base.The dynamic base can be completely independent exploitation, be then added to Lua
Used in test system.
The dynamic base design procedure of test equipment/equipment：
1st, the abstract model of test equipment equipment is established, carry out attribute according to the purposes of test equipment and function takes out with service
As definition.
2nd, it is a kind of parameter called for Lua abstraction layer interfaces of each service function Interface design agreement of test equipment
Form.
3rd, illustrated using the supporting SDK secondary development bags of test equipment producer or communications protocol, sealed using C/C++ language
Dress realization meets function services defined in such test equipment Lua abstraction layer interfaces.
4th, the program code developed compiling, link are fabricated to test equipment dynamic base, and export test equipment this is dynamic
State storehouse supplies the functional function interface that exterior LUA scripts call.
As long as the 5th, for different manufacturers identical function test equipment repeat step 1~4, be each concrete model
Test equipment newly adds a kind of dynamic base.This function conveniently can extend new test equipment in the future into existing test system.
The implementing procedure of test method：
Step1：Test computer running environment is built, compiling installation, test equipment including Lua script interpreters
The exploitation and composition of interface dynamic base and the Communication Protocol Implementation Interface storehouse carried out with tested device are developed.Power communication interface library is opened
Hair mainly realizes the main website end work(of common electric power stipulations such as modbus, 101,104,103 and IEC61850 using C/C++ language
Can, complete and the data communication of tested device and control.(such communications protocol belongs to existing power communication standard, is only root
Programming is done according to standard using program language to realize).
Exemplified by being designed by 104 communication protocol storehouses, step is as follows：
1st, the 104 all services in main website end are realized using C/C++ Programming with Pascal Language, connects, disconnects, always including foundation
Calling, packet calling, pair when service, remote control service, remote regulating service, file transfer services etc..
2nd, the C/C++ programs developed in step 1 compiled, be linked into dynamic base, and export the function called for LUA scripts
Functional interface, such as stipulations initialization, establish connect, disconnect, always call together, pair when, the service functions such as control, file transmit connect
Mouthful.
Step2：Using Lua script edit design test cases, according to specific product function and performance requirement, design is surveyed
Example on probation, provides test data source by script, controls test execution logic.(see embodiment 12 Lua test cases it is general
Logic flow)
Step3：Test case is selected, deployment performs test assignment, generation test report.
Embodiment 15
The present embodiment is further improved on the basis of embodiment 7-14, for the test process of intelligent distribution transforming middle-end
Bright specific implementation process, such as Fig. 5：
First, test run environment is built, the compiling installation Lua interpreters on windows system testing computers, there is provided
The performing environment of lua scripts.
2nd, (dynamic base belongs to the prior art to the Lua interface API dynamic bases of exploitation test equipment, and the present invention simply uses this
Kind of mechanism realizes the support of multiple hardwares equipment, and the design method of dynamic base is exactly the modular implementation of programming language, is reserved
Corresponding functional interface, forms power communication stipulations dynamic base and test equipment dynamic base), it is main in the test of distribution transformer terminals
The test equipment used has relay-protection tester, I/O controller and 4-20ma direct-flow signal generators.Relay-protection tester
It is responsible for tested distribution transformer terminals power-up tolerance and simulates various operation troubles, I/O controller control electric-controlled switch wiring matrix selection
Different tested distribution transformer terminals are connected with relay-protection tester signal, and the simulation of direct current 4-20mA signal generators produces non-electrical
Amount signal (signal such as environment temperature, humidity, pressure) adds to tested distribution transformer terminals.Relay-protection tester device and direct current signal hair
The dynamic base api interface of raw device carries out the encapsulation of secondary development completion equipment library using the C/C++SDK of apparatus manufacture；IO is controlled
Device realizes that interface completes the making of dynamic base using Modbus industrial communication protocols.
The universal design step of test equipment dynamic base：
1st, the abstract model of test equipment equipment is established, attribute and service are carried out according to test equipment equipment purposes and function
Abstract definition.
2nd, a kind of parameter format is arranged for the service function Interface design of each test equipment
3rd, the SDK secondary development bags or communications protocol provided according to producer illustrates, (can be other languages using C language
Speech) specifically program and realize each function services.
4th, the program code developed compiling, link are fabricated to dynamic base, and export the dynamic base and supply exterior LUA scripts
The functional function interface of calling.
The design procedure of relay-protection tester device dynamic base：
1st, its attribute and service are abstracted according to the general utility functions of relay-protection tester.Attribute includes test equipment
The parameters such as title, model, manufacturer, ID number and IP address, service include：Create logic relay-protection tester equipment, destroy after
Electric protection tester equipment, connection relay-protection tester, send test parameter, test parameter comes into force, startup is tested, stopping is surveyed
Examination, read test instrument I/O state, obtain test result, selection function test event etc..Relay protection function test event branch
Hold fundamental voltage testing current, alternation/slippage test, stress_responsive genes experiment, time measurement experiment, status switch experiment, waveform
Playback experiment, anti-time limit characteristic experiment, differential experiment, automatic paralleling experiment.
2nd, the service taken out for relay-protection tester and functional test project definition interface data format, each work(
The test parameters difference that energy pilot project needs to set is, it is necessary to be directed to each specific function test project definition interface parameters
Form, and the interface parameters form needs the call format for being abstracted LUA interface layers with relay-protection tester corresponding.
3rd, using C/C++ Programming with Pascal Language, the api function that producer's secondary development SDK bags provide is called to carry out Functional Design, will
Interface parameters format conversion in step 2 is the specific required parametric form of relay protection instrument, and using being carried in producer SDK
The api function of confession implements for the service that relay-protection tester takes out.
4th, the C/C++ programs developed in step 3 compiled, be linked into dynamic base, and exported and taken out for relay-protection tester
The function services function called as LUA interface layers script.So far the exploitation of the dynamic base of relay-protection tester finishes.
The design procedure of I/O controller dynamic base：
1st, test equipment title, model, manufacturer, ID are included according to the function modeling attribute of I/O controller and service, attribute
Number, device address, IP address, communication modes, the parameter such as baud rate and port/serial port.Service includes the logic of I/O controller
The services such as equipment creates, logical device is destroyed, connects I/O controller equipment, issue IO control parameters, IO control parameters come into force.
2nd, the attribute and service design data structure and service interface being abstracted according to I/O controller.Service interface parameter format
Need the call format for being abstracted LUA interface layers with relay I/O controller corresponding.
3rd, defined according to the Modbus communications protocol of producer explanation and modbus information points table, loaded using C/C++ language
Modbus communication protocols dynamic base carries out program development, realizes the abstraction function service that all I/O controllers are supported successively.
4th, by the C/C++ programs developed in step 3 compiling, be linked into dynamic base, and export and be abstracted LUA for I/O controller and connect
The function services function that mouth layer script calls, then dynamic base design are completed.
(design procedure of direct-flow signal generator dynamic base is similar with relay-protection tester, two provided using producer
Secondary kit is designed, and is not being illustrated herein.)
3rd, Classification Management of the Lua language to test equipment, it is dynamic using what is made according to test equipment classification and function
State storehouse carries out the abstract package of a layer method and attribute, makes the test equipment of the identical function of different manufacturers have identical Lua
Level of abstraction calling interface (second layer in corresponding diagram).The relay-protection tester of such as rich electricity and ONLLY can use packaged phase
Same Lua script interfaces write test case so that test case has more preferable reusability.Test equipment Lua level of abstractions according to
The instrument and equipment information parameter that interface is passed to, which automatically selects, calls corresponding test equipment service dynamic built-in function to complete service sound
Should.Test equipment Lua abstraction layer interfaces use Lua language developments, it is not necessary to recompilate and can perform, so when one newly-increased
During the test equipment of identical function type, as long as individually the dynamic base of the newly-increased test equipment of exploitation can be added to original survey
Used in test system.
Fig. 4 is for example bright with the LUA test equipments level of abstraction of relay-protection tester, in the test of lua script edits
Need to use relay-protection tester in use-case and tested, only need to call relay-protection tester to take out in Lua scripts
Lua service interfaces.The abstract lua service functions can call corresponding according to the instrument and equipment information parameter that interface is passed to
C/C++ dynamic built-in functions.When the relay-protection tester of experiment is replaced, the Lua script test cases of same test function
It need not redesign and can be used, relay can be completed by the simple parameter information global variable assignment modification of Lua language
Protect the equipment replacement of test equipment.
4th, the communication interface storehouse of Lua scripts connection equipment under test is made, distribution transformer terminals support electric power common 101 and 104
Stipulations, select 104 main websites end dynamic bank interface (having been described above) to be tested in the test of distribution transformer terminals.Utilize 104
Stipulations obtain tested distribution transformer terminals measurement, quantity of state, historical statistics amount, alarm/fault event information, control configuration distribution transformer terminals
Outlet acts.
5th, required according to the test outline of distribution transformer terminals, write (each single item functional test pair of device of Lua test cases
Should have a test case, test case is too many, can not enumerate), and test case is preserved to test computer, test
The information such as the progress of use-case control test process is shown, daily record printing.
6th, the physics wiring of test equipment and tested device is connected, tester selects needs to hold in test main frame
Capable Lua test cases, and the test equipment information and tested device information for needing to use are configured, start test assignment.Test
Host performs selected Lua test cases successively, and test main frame can be according to tested device in Lua test case implementation procedures
IP address elder generation transmitting order to lower levels give I/O controller selection tested distribution transformer terminals, then by test main frame according to Lua test case feet
This logic control transmitting order to lower levels gives tested distribution transformer terminals to carry out device involution, then issues parameter and order to test equipment to tested
Distribution transformer terminals dosage.Lua test scripts can obtain the test result information of test equipment and the data of distribution transformer terminals automatically, and right
Test data carries out stored record and automatic criterion.
7th, the test report of the distribution transformer terminals is generated, this report contains the test knot of all selected Lua test cases
Fruit, recovers the operation of test master computer, tested distribution transformer terminals to original state, stopping test equipment.
8th, the next distribution transformer terminals for needing to test are selected by I/O controller, test case is repeated, until testing
Into or manually stop.Fig. 5 is test assignment execution flow chart；
The sampling precision test of distribution transformer terminals is completed by above procedure, input and output is tested, defencive function logic is surveyed
Examination, capacitor switching automatically control the test of the functions such as logic and performance.
Wherein sampling precision test includes voltage, electric current, power, power factor (PF), harmonic component, error caused by the variable
Etc. test case；Relay protective scheme functional test includes the test of the protection act value precision and actuation time etc. such as overvoltage, three sections of overcurrents
Use-case；Input and output test includes SOE resolution ratio, opens into stabilization, outputs the test cases such as action；Capacitor switching automatically controls
Logic testing includes over-pressed locking, undervoltage lockout, switching working value, switching confirming operation time, switched capacitor interblock space
The test cases such as time.
Fig. 6 is Lua voltage accuracy test case flow charts：
A, relay-protection tester logical device is created；
B, the communication for establishing mechanical and electrical protection tester and test main frame connects, and initialization test instrument；
C, test main frame connects tested device by 104 stipulations, and circulates and always call telemetry together；
D, tester voltage output parameter is downloaded, starts fundamental voltage testing current；
E, 5s (other times can also be set to) delay time is waited to arrive, measured data renewal；
F, test main frame caches the telemetry in 104 stipulations；
G, judge whether remote measurement voltage data meets 0.5% required precision with test equipment, the error of voltage output parameter,
And it recorded test report；
H, judge whether also test data source, be, download renewal tester voltage output parameter, host issues tester
Parameter comes into force order, performs step E-H；
I, it is no, generate the test record of the Lua use-cases；
J, stop test equipment operation, judge that host is connected with test equipment, disconnect host and be connected with tested distribution transformer terminals.
Fig. 7 is Lua harmonic wave accuracy test use-case flow charts：
A, relay-protection tester logical device is created；
B, the communication for establishing relay-protection tester and test main frame connects, and initialization test instrument；
C, test main frame connects tested device by 104 stipulations, and circulates and always call telemetry together；
D, tester harmonic component parameter is downloaded, starts harmonic wave functional test；
E, 5s (other times can also be set to) delay time is waited to arrive, measured data renewal；
F, test main frame caches the remote measurement harmonic component data in 104 stipulations；
G, judge whether remote measurement harmonic component data meets 1% precision with test equipment, the error of harmonic wave setting value
It is required that and it recorded test report；
H, judge whether also test data source, be, download renewal tester harmonic component parameter, host issues tester
Parameter comes into force order, performs step E-H；
I, it is no, generate the test record of the Lua use-cases；
J, stop test equipment operation, judge that host is connected with test equipment, disconnect host and be connected with tested distribution transformer terminals.
Fig. 8 is Lua operating time of protection test case flow charts：
A, relay-protection tester logical device is created；
B, the communication for establishing relay-protection tester and test main frame connects, and initialization test instrument；
C, test main frame connects tested device by 104 stipulations, and with remote regulating service down distributing overcurrent protection definite value parameter；
D, tester voltage, electric current are downloaded, opens and is surveyed into the parameters such as stabilization, state handover trigger, starting state functional nucleotide sequence
Examination；
E, relay protection tester event notice is waited, test main frame test execution is completed；
F, test main frame read test instrument is as a result, the lasting event of calculating malfunction, obtains protection act Outlet time
Value；
G, judge whether protection act Outlet time meets to be less than 50ms requirements, and recorded test report；
H, judge whether to reach setting test execution number, no, the test of starting state functional nucleotide sequence, performs step E-H；
I, it is the test record for generating the Lua use-cases；
J, stop test equipment operation, judge that host is connected with test equipment, disconnect host and be connected with tested distribution transformer terminals.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (6)
1. a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts, including test main frame and test equipment, it is special
Sign is, further includes I/O controller and selecting switch, and test main frame is connected with I/O controller, test equipment and tested device, IO
Controller, selecting switch and tested device are sequentially connected, and test equipment, selecting switch and tested device are sequentially connected；Test master
Machine is switched by I/O controller control selections, is connected with corresponding tested device.
2. a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts according to claim 1, its feature exist
In the selecting switch is electric-controlled switch wiring matrix, and I/O controller, electric-controlled switch wiring matrix and tested device connect successively
Connect, test equipment, electric-controlled switch wiring matrix and tested device are sequentially connected.
3. a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts according to claim 1, its feature exist
In the tested device is intelligent distribution transformer terminals.
4. a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts according to claim 1, its feature exist
In test main frame is connected by communication network with I/O controller, test equipment and tested device, and the communication network is ether
Interchanger or serial port expanding module.
5. a kind of intelligent distribution transformer terminals automatization test system based on LUA scripts according to claim 2, its feature exist
In the test equipment includes relay-protection tester and direct-flow signal generator, and test main frame is distinguished by communication network
It is connected with I/O controller, relay-protection tester, direct-flow signal generator and tested device, test equipment, I/O controller, relay
Protection tester and direct-flow signal generator are connected with electric-controlled switch wiring matrix respectively, electric-controlled switch wiring matrix and tested dress
Put connection.
A kind of 6. intelligent distribution transformer terminals automatic test based on LUA scripts according to 1,3,4 any one of claim
System, it is characterised in that the test equipment includes relay-protection tester and direct-flow signal generator, and test main frame passes through
Communication network is connected with I/O controller, relay-protection tester, direct-flow signal generator and tested device respectively, test equipment,
I/O controller, relay-protection tester and direct-flow signal generator are connected with selecting switch respectively, selecting switch and tested device
Connection.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108879949A (en) * | 2018-06-26 | 2018-11-23 | 国网福建省电力有限公司 | A kind of test method of power distribution network CPS main website and terminal |
| CN109359038A (en) * | 2018-09-28 | 2019-02-19 | 江苏凌创电气自动化股份有限公司 | One kind realizing configurable test system, implementation method and equipment based on Qt and Lua combination |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108879949A (en) * | 2018-06-26 | 2018-11-23 | 国网福建省电力有限公司 | A kind of test method of power distribution network CPS main website and terminal |
| CN110858140A (en) * | 2018-08-21 | 2020-03-03 | 苏州迈科网络安全技术股份有限公司 | Compiling method of application program using Lua script and third party C module |
| CN110858140B (en) * | 2018-08-21 | 2024-01-26 | 苏州迈科网络安全技术股份有限公司 | Compiling method of application program using Lua script and third party C module |
| CN109359038A (en) * | 2018-09-28 | 2019-02-19 | 江苏凌创电气自动化股份有限公司 | One kind realizing configurable test system, implementation method and equipment based on Qt and Lua combination |
| CN109783417A (en) * | 2019-01-11 | 2019-05-21 | 四川长虹电器股份有限公司 | A kind of serial communication device and method |
| CN109783417B (en) * | 2019-01-11 | 2022-03-15 | 四川长虹电器股份有限公司 | Serial port communication device and method |
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| CN113515103A (en) * | 2020-04-11 | 2021-10-19 | 南京和邦能源科技有限公司 | LUA script-based automatic test device for IO (input/output) module of distributed control system |
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