CN104133138A - DSP-based assembly line autotest method of protection and monitoring device - Google Patents
DSP-based assembly line autotest method of protection and monitoring device Download PDFInfo
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- CN104133138A CN104133138A CN201410356851.XA CN201410356851A CN104133138A CN 104133138 A CN104133138 A CN 104133138A CN 201410356851 A CN201410356851 A CN 201410356851A CN 104133138 A CN104133138 A CN 104133138A
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Abstract
The invention discloses a DSP-based assembly line autotest method of a protection and monitoring device. The method specifically comprises the following steps that (1) one or more test items are selected by debugging personnel through a menu, and each test item comprises an alternating current sampling board test, a communication board test, an input and output board test, an operation panel test and a human-machine interface test; (2) as for the selected test items, test boards corresponding to the selected test items are connected with the protection and monitoring device to be tested; (3) after the tests of the selected test items are finished, test results of the protection and monitoring device are output through a human-machine interface, wherein if it is prompted that the tests are passed, it is indicated that the protection and monitoring device is up to standards and can be put in storage, if it is prompted that the tests are abnormal, troubleshooting is conducted on the protection and monitoring device. According to the DSP-based assembly line autotest method of the protection and monitoring device, a complete-machine test or a single-board test can be selected according to requirements, the test mode is flexible, a test of qualification or disqualification is judged through software, the interference caused by human factors is reduced, and the debugging efficiency and the quality of the protection and monitoring device are improved.
Description
Technical field
The present invention relates to the protection measure and control device streamline automatic test approach based on DSP, belong to power system automation technology field.
Background technology
Protection measure and control device is due to powerful, and debug process is relative complex also.The debugging of dispatching from the factory of protection measure and control device, each test link needs commissioning staff to repeat wiring, and whether qualified then dosage test finally pass judgment on product by contrast series of standards.Checkout procedure is loaded down with trivial details, and repeatability is large, and efficiency is not high, and commissioning staff's technical merit is directly determining the integral level of product.
The appearance of DSP (Digital Signal Processor); bring revolutionary meaning to the protection measure and control device of electric system; it makes to protect the arithmetic speed of measure and control device faster; sampling precision is higher; communication is more stable, thereby can realize the function that many early stage processors cannot complete.
Summary of the invention
The deficiency existing for prior art; the object of the invention is to provide a kind of protection measure and control device streamline automatic test approach based on DSP; the present invention can select system test or single-board testing as required; test mode is flexible; whether test is qualified is judged by software; reduce the interference of human factor, greatly improved debugging efficiency and the quality of protection measure and control device.
To achieve these goals, the present invention realizes by the following technical solutions:
Protection measure and control device streamline automatic test approach based on DSP of the present invention, specifically comprises following step:
(1) commissioning staff is by the one or more test events of menu setecting, and described test event comprises AC sampling board test, communication board test, input and output board test, operation panel test and man-machine interface test;
(2) for the test event of selecting, its corresponding test board is connected with protection measure and control device to be measured;
Described AC sampling board test comprise to gather+test of the numerical value of 5V power supply, the amplitude of of ac and angle with exchange adjusting of precision, finally output test result;
Described communication board test comprises the passage message that monitors each communication port, judges that whether each communication port is normal, finally outputs test result;
Described input and output board test comprises closing relay contact one by one, judges that corresponding remote signalling opens the displacement into whether simultaneously, finally outputs test result;
Described operation panel test comprises the operation to relay, automatically tests closing loop, locked loop and signal output loop, finally outputs test result;
Described man-machine interface test comprises whether sightingpiston plate pilot lamp is lighted one by one, and carries out button operation, finally outputs test result;
(3), after the test event of selecting has been tested, by the test result of man-machine interface output protection measure and control device, if prompting test is passed through, represent that described protection measure and control device is up to the standards, and can put in storage; If prompting test is abnormal, described protection measure and control device is carried out to malfunction elimination.
In step (2), described AC sampling board test specifically comprises following step:
(1a) whether judgement+5V power supply normally works, if normally worked, adds excitation, turns to step (2a), if cisco unity malfunction illustrates A/D abnormity of power supply, finishes AC sampling board test;
(2a) judge whether sampling is normal, if normal, automatic degree of regulation coefficient, turns to step (3a), if undesired, explanation interchange input is abnormal, end AC sampling board test;
(3a) judge that whether quality coefficient is reasonable, if rationally, illustrate that quality coefficient is normal, finish AC sampling board test, if unreasonable, illustrate that quality coefficient is abnormal, finish AC sampling board test.
In step (2), described communication board test specifically comprises following step:
(1b) connect each communication interface by function;
(2b) judge that whether network interface is normal, if normal, turn to step (3b), if undesired, illustrate that network interface exports extremely, finish communication board test;
(3b) judge 485 mouthfuls whether normal, if normal, turn to step (4b), if undesired, 485 mouthfuls of abnormal outputs are described, finish communication board test;
(4b) judge that whether CAN network interface is normal, if normal, turn to step (5b), if undesired, illustrate that CAN network interface exports extremely, finish communication board test;
(5b) judge that whether LPT is normal, if normal, turn to step (6b), if undesired, illustrate that LPT exports extremely, finish communication board test;
(6b) judge to time mouth whether normal, if normal, finish communication board test, if undesired, illustrate to time mouth extremely export, finish communication board test.
In step (2), described input and output board test specifically comprises following step:
(1c) closing relay one by one;
(2c) displacement into whether is opened in judgement, if displacement turns to (3c), if invariant position illustrates that input and output is abnormal, finishes input and output board test;
(3c) judge whether to travel through contact, if traversal illustrates that input and output is normal, finish input and output board test, if do not traveled through, turn to step (1c).
In step (2), described operation panel test specifically comprises following step:
(1d) jumping position starts;
(2d) whether judge and distantly close normally, if normally, turn to step (3d), if undesired, description operation is abnormal, end operation board test;
(3d) judge that whether distant jumping is normal, if normally, turn to step (4d), if undesired, description operation is abnormal, end operation board test;
(4d) judge that whether locking is normal, if normally, description operation is normal, end operation board test, if undesired, description operation is abnormal, end operation board test.
In step (2), described man-machine interface test specifically comprises following step:
(1e) light successively each pilot lamp;
(2e) whether judgement lights a lamp normally, if normally, turns to step (3e), if undesired, illustrates that man-machine interface is abnormal, finishes man-machine interface test;
(3e) judge that whether button is normal, if normally, illustrate that man-machine interface is normal, finish man-machine interface test, if undesired, illustrate that man-machine interface is abnormal, finish man-machine interface test.
Method of testing of the present invention can be selected system test or single-board testing as required, and test mode is flexible, can adapt to various debugging demands; Whether test is qualified is judged by software, has reduced the interference of human factor, has greatly improved debugging efficiency and the quality of protection measure and control device; Test result can be checked on device or backstage computer, and can preserve for a long time, has realized the informationization of test result.
Brief description of the drawings
Fig. 1 is the workflow diagram of the protection measure and control device streamline automatic test approach based on DSP of the present invention;
Fig. 2 is AC sampling board test in Fig. 1, communication board test, input and output board test, operation panel test and man-machine interface test detailed operation process flow diagram.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
The present invention is because the protection measure and control device that adopts dsp processor all adopts OO software development thought; all functions all adopt modular design and encapsulation; therefore for the debugging of dispatching from the factory of protecting measure and control device; mainly to CPU and peripheral circuit (ac input circuit; order circuit; input and output loop, operation circuit and man-machine interface) detection of reliability.The present invention, by the modular design of software configuration and testing process, frees commissioning staff from loaded down with trivial details operation, and the streamline that becomes quickness and high efficiency is tested automatically.
Every streamline test arranges test station according to test event, and the commissioning staff of each station, by menu setecting test event, just can complete the full test of a protection measure and control device through flow process shown in Fig. 1 and Fig. 2.
(1) AC sampling board test
Be connected device to be measured with design drawing according to test macro instructions, add the voltage and current amount of testing use, selecting to exchange board test starts, test macro by gather+numerical value of 5V power supply, the amplitude of of ac, the judgement of angle completes and exchanges adjusting of board test and ac coefficient, finally outputs test result.
(2) communication board test
Be connected device to be measured according to test macro instructions with design drawing, select communication board test, test macro, by monitoring the passage message of each communication port, judges that whether each communication port is normal, finally outputs test result.
(3) input and output board test
Be connected device to be measured according to test macro instructions with design drawing, select input and output board test, test macro closed corresponding contact one by one automatically judges that corresponding remote signalling opens the displacement into whether simultaneously, finally outputs test result.
(4) operation panel test
Be connected device to be measured according to test macro instructions with design drawing, select operation panel test, test macro, by the operation to relay, is tested closing loop, locked loop and signal output loop automatically, finally outputs test result.
(5) man-machine interface test
Whether the test of selection man-machine interface, observe panel leds simultaneously and lighted one by one, according to system suggestion carries out afterwards button operation, and test macro records each key-press input automatically, finally outputs test result.
Test macro is completing after above-mentioned test event, by the test result of man-machine interface output protection measure and control device.If prompting test is passed through, represent that this device is up to the standards, and can put in storage; Otherwise, need to, according to the prompting of test macro, complete the investigation of fault.
Native system can be selected system test (when for system test, five test events are from left to right carried out according to process flow diagram order) or single-board testing as required, and test mode is flexible, can adapt to various debugging demands.Whether test is qualified is judged automatically by software, has reduced the interference of human factor, has greatly improved debugging efficiency and the quality of protection measure and control device.Test result can be checked on device or backstage computer, and can preserve for a long time, has realized the informationization of test result.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. the protection measure and control device streamline automatic test approach based on DSP, is characterized in that, specifically comprises following step:
(1) commissioning staff is by the one or more test events of menu setecting, and described test event comprises AC sampling board test, communication board test, input and output board test, operation panel test and man-machine interface test;
(2) for the test event of selecting, its corresponding test board is connected with protection measure and control device to be measured;
Described AC sampling board test comprise to gather+test of the numerical value of 5V power supply, the amplitude of of ac and angle with exchange adjusting of precision, finally output test result;
Described communication board test comprises the passage message that monitors each communication port, judges that whether each communication port is normal, finally outputs test result;
Described input and output board test comprises closing relay contact one by one, judges that corresponding remote signalling opens the displacement into whether simultaneously, finally outputs test result;
Described operation panel test comprises the operation to relay, automatically tests closing loop, locked loop and signal output loop, finally outputs test result;
Described man-machine interface test comprises whether sightingpiston plate pilot lamp is lighted one by one, and carries out button operation, finally outputs test result;
(3), after the test event of selecting has been tested, by the test result of man-machine interface output protection measure and control device, if prompting test is passed through, represent that described protection measure and control device is up to the standards, and can put in storage; If prompting test is abnormal, described protection measure and control device is carried out to malfunction elimination.
2. the protection measure and control device streamline automatic test approach based on DSP according to claim 1, is characterized in that,
In step (2), described AC sampling board test specifically comprises following step:
(1a) whether judgement+5V power supply normally works, if normally worked, adds excitation, turns to step (2a), if cisco unity malfunction illustrates A/D abnormity of power supply, finishes AC sampling board test;
(2a) judge whether sampling is normal, if normal, automatic degree of regulation coefficient, turns to step (3a), if undesired, explanation interchange input is abnormal, end AC sampling board test;
(3a) judge that whether quality coefficient is reasonable, if rationally, illustrate that quality coefficient is normal, finish AC sampling board test, if unreasonable, illustrate that quality coefficient is abnormal, finish AC sampling board test.
3. the protection measure and control device streamline automatic test approach based on DSP according to claim 1, is characterized in that,
In step (2), described communication board test specifically comprises following step:
(1b) connect each communication interface by function;
(2b) judge that whether network interface is normal, if normal, turn to step (3b), if undesired, illustrate that network interface exports extremely, finish communication board test;
(3b) judge 485 mouthfuls whether normal, if normal, turn to step (4b), if undesired, 485 mouthfuls of abnormal outputs are described, finish communication board test;
(4b) judge that whether CAN network interface is normal, if normal, turn to step (5b), if undesired, illustrate that CAN network interface exports extremely, finish communication board test;
(5b) judge that whether LPT is normal, if normal, turn to step (6b), if undesired, illustrate that LPT exports extremely, finish communication board test;
(6b) judge to time mouth whether normal, if normal, finish communication board test, if undesired, illustrate to time mouth extremely export, finish communication board test.
4. the protection measure and control device streamline automatic test approach based on DSP according to claim 1, is characterized in that,
In step (2), described input and output board test specifically comprises following step:
(1c) closing relay one by one;
(2c) displacement into whether is opened in judgement, if displacement turns to (3c), if invariant position illustrates that input and output is abnormal, finishes input and output board test;
(3c) judge whether to travel through contact, if traversal illustrates that input and output is normal, finish input and output board test, if do not traveled through, turn to step (1c).
5. the protection measure and control device streamline automatic test approach based on DSP according to claim 1, is characterized in that,
In step (2), described operation panel test specifically comprises following step:
(1d) jumping position starts;
(2d) whether judge and distantly close normally, if normally, turn to step (3d), if undesired, description operation is abnormal, end operation board test;
(3d) judge that whether distant jumping is normal, if normally, turn to step (4d), if undesired, description operation is abnormal, end operation board test;
(4d) judge that whether locking is normal, if normally, description operation is normal, end operation board test, if undesired, description operation is abnormal, end operation board test.
6. the protection measure and control device streamline automatic test approach based on DSP according to claim 1, is characterized in that,
In step (2), described man-machine interface test specifically comprises following step:
(1e) light successively each pilot lamp;
(2e) whether judgement lights a lamp normally, if normally, turns to step (3e), if undesired, illustrates that man-machine interface is abnormal, finishes man-machine interface test;
(3e) judge that whether button is normal, if normally, illustrate that man-machine interface is normal, finish man-machine interface test, if undesired, illustrate that man-machine interface is abnormal, finish man-machine interface test.
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| CN201410356851.XA CN104133138A (en) | 2014-07-24 | 2014-07-24 | DSP-based assembly line autotest method of protection and monitoring device |
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| CN106443245A (en) * | 2016-09-06 | 2017-02-22 | 南京大全自动化科技有限公司 | Production automation test method for photovoltaic box variable measurement and control device |
| CN109030969A (en) * | 2017-06-09 | 2018-12-18 | 许继集团有限公司 | A kind of test method and system of measure and control device |
| CN113702889A (en) * | 2021-09-22 | 2021-11-26 | 宁波迦南智能电气股份有限公司 | Detection method of alternating current sampling plate based on SPI communication |
| CN113742124A (en) * | 2021-08-25 | 2021-12-03 | 许继集团有限公司 | Intelligent IO (input/output) outlet self-checking method and system based on CAN (controller area network) bus |
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Cited By (5)
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| CN113742124A (en) * | 2021-08-25 | 2021-12-03 | 许继集团有限公司 | Intelligent IO (input/output) outlet self-checking method and system based on CAN (controller area network) bus |
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Application publication date: 20141105 |