CN113075910A - Intelligent testing system and method for complete machine retest of relay protection device - Google Patents
Intelligent testing system and method for complete machine retest of relay protection device Download PDFInfo
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- CN113075910A CN113075910A CN202110209121.7A CN202110209121A CN113075910A CN 113075910 A CN113075910 A CN 113075910A CN 202110209121 A CN202110209121 A CN 202110209121A CN 113075910 A CN113075910 A CN 113075910A
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- 238000012360 testing method Methods 0.000 title claims abstract description 221
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000013102 re-test Methods 0.000 title claims description 10
- 238000007689 inspection Methods 0.000 claims abstract description 24
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000012795 verification Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010998 test method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system
- G05B19/41895—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the transport system using automatic guided vehicles [AGV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a complete machine re-inspection intelligent test system and a complete machine re-inspection intelligent test method for a relay protection device. The feeding subsystem comprises a feeding trolley, a track and auxiliary electrical equipment. The intelligent test unit comprises a complete machine test device of the relay protection device, an alternating current/direct current voltage/current program control output device, an intelligent test control center, an air valve management control device, auxiliary electrical equipment and a cabinet. The robot moves the trolley positioning devices to a test station according to different types of trolley positioning devices, scans the bar codes of the devices to obtain specific signals, establishes a closed-loop test environment, and then starts a complete machine test. And starting the precision check of the analog quantity channel after the complete machine tests correctly. After the test is successful, the robot moves the device back to the trolley; the test failed and the robot moved the device to the NG area. The whole process realizes unmanned operation and standardized detection, and effectively improves the overall machine re-inspection detection efficiency of the relay protection device.
Description
Technical Field
The invention relates to an intelligent test system, in particular to an intelligent test system and an intelligent test method for complete machine retest of a relay protection device.
Background
In recent years, with the rapid development of power grid construction, the demand of secondary protection equipment for electric power, particularly low-voltage protection equipment, has increased at a high rate. The defects of the original manual reinspection test or semi-automatic reinspection test method are also obvious. The testing efficiency is low, the manpower testing cost is high, and the intelligent testing level of enterprises is low, so that the current testing method needs to be changed to deal with the challenges and the cost pressure of enterprises brought forward by the times.
The manual testing process of the relay protection device is complicated and low in efficiency. Which in turn requires high, accurate and precise testing. On one hand, the relay protection device has more hard contacts and more production test notes; on the other hand, the device is bulky. The production quality of the product is difficult to ensure due to excessive manual participation in the testing process. How to standardize the test flow before standing on, establish a large-scale production intelligent reinspection test system, and continue to improve the large-scale production test efficiency of the relay protection device is one of the popular subjects of research in the field. Currently, there are two indispensable steps in the production test of relay protection devices: and carrying out device primary inspection and device retesting. As the name implies, the initial inspection is a primary inspection, and the inspection content is not complete (device operation, device communication contacts, device open-in contacts, device open-out contacts), and may even be a spot inspection; and the retest is the last process before the relay protection device is put in storage, has more inspection contents, is the whole body physical examination of the relay protection device, and comprises the verification of the simulation channel besides all the initial inspection contents.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an efficient and convenient complete machine re-inspection intelligent test system for a relay protection device; the second purpose of the invention is to provide a test method of the rechecking intelligent test system.
The technical scheme is as follows: the invention relates to an intelligent testing system for complete machine re-inspection of a relay protection device, which comprises a robot, a feeding subsystem, an NG area, a robot control center and a plurality of intelligent testing units, wherein the robot is connected with the feeding subsystem through a pipeline; the feeding subsystem comprises a feeding trolley, a track and auxiliary electrical equipment; the intelligent test unit comprises a complete machine test device of the relay protection device, an alternating current/direct current voltage/current program control output device, an intelligent test control center, an air valve management control device, auxiliary electrical equipment and a cabinet.
Furthermore, a grating is arranged beside the track, the feeding trolley slides into the track to trigger different gratings, and the robot acquires shape data of the relay protection device according to binary data reflected by the grating to accurately position the relay protection device on the trolley.
The intelligent test control center of the intelligent test unit actively tests the robot essential device according to the current test working condition, and the premise of sending the essential device command is that the left side or the right side of the test unit determines that the position has no device through a grating signal.
The intelligent test control center of the intelligent test unit actively takes the robot away the device, and sends a command of taking the device away to the robot control center on the premise that the left side or the right side target station of the test unit determines that the position has the device through a grating signal.
Furthermore, a plurality of intelligent test units are mutually independent, and different types of intelligent test units can test relay protection devices of different sizes, and when the relay protection devices change, the intelligent test units can be quickly switched only by replacing cabinet test bin modules.
Furthermore, the intelligent test units are in communication connection with the robot control center through a TCP network to complete data bidirectional transmission, the number of the intelligent test units is not limited within the operation allowable range of the robot, and test tasks can be synchronously performed.
Further, the NG area is an NG circulation track.
The invention relates to a testing method of a complete machine re-inspection intelligent testing system of a relay protection device, which comprises the following steps of:
(1) the robot control center controls the robot to position the relay protection device according to different types of feeding trolleys and moves the relay protection device to an appointed station of the intelligent test unit;
(2) scanning a bar code or a two-dimensional code on the relay protection device to inquire specific information of the relay protection device, and establishing a closed test environment;
(3) starting a complete machine test;
(4) if the test is successful, starting the precision check of the analog quantity channel; if the test fails, the robot moves the relay protection device to an NG area;
(5) if the precision is successfully verified, the robot moves the relay protection device back to the feeding trolley; if the precision verification fails, the robot moves the relay protection device to an NG area;
(6) and after the relay protection device is moved away by the robot, the robot control center sends a signal to the intelligent test control center.
Further, in the step (3), the complete machine test comprises an item A and an item B; the test item A comprises fixed value modification, communication test, input test and output test; the test item B comprises fixed value modification and simulation channel precision verification; in sequence, item A is tested first, and item B is tested second; when the project A and the project B are completed and succeed, the intelligent test control center automatically uploads a test report to the enterprise cloud; and if the test fails, the intelligent test control center uploads the detailed problem test report to an enterprise cloud maintenance library and pushes corresponding board maintenance information to a maintenance engineer.
Furthermore, the test failure repeated test times of the item A are controlled by the intelligent test control center, and when the item A exceeds the maximum failure test times, the intelligent test control center directly sends an NG command to the robot control center to request to move the device; and when the project A tests correctly, carrying out the project B tests, and when the project B tests correctly, completing the whole test process, and requesting the robot to move the device to the trolley by the intelligent test control center, otherwise, moving the robot to the NG area.
Further, in the step (2), the specific information includes a device contract number, a device model, a device name, a device board card, and a device voltage class.
Further, in the step (2), the closed test environment is established by sending a relay protection device closed-loop test environment construction instruction to the air valve management control device through the intelligent test control center.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages:
(1) the invention effectively solves the problems of automatic carrying of the device, intelligent identification of the type of the device, intelligent construction of a closed-loop test environment according to the type of the device and intelligent re-inspection of the whole machine for testing process control. The complete machine retest intelligent test of the relay protection device of the power system is realized, and the mass production test efficiency of the relay protection device and the intelligent manufacturing level of enterprises are effectively improved.
(2) The continuous and intelligent retest test of the multi-model and multi-variety relay protection devices is realized.
(3) The whole machine test process of the relay protection device of the power system is standardized, and the whole machine test efficiency is improved.
(4) And a robot coordination test is introduced, and unmanned control is realized in the test process.
(5) The system construction space is little, fast, and the product upgrading, entire system need not the upgrading, only need change the local module of rack and can switch over fast. The system plays a positive promoting role in the intelligent manufacturing of the relay protection device of the power system.
Drawings
FIG. 1 is a schematic diagram of a complete intelligent retest test system of a relay protection device according to the present invention;
FIG. 2 is a logic structure diagram of the whole intelligent retest test of the relay protection device of the present invention;
fig. 3 is a schematic layout diagram of the complete machine re-inspection intelligent test unit of the relay protection device.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 1 and fig. 3, the complete machine re-inspection intelligent test system for the relay protection device comprises an industrial robot, a feeding subsystem, a Robot Control Center (RCC) and a plurality of intelligent test units (STU). The feeding subsystem consists of a feeding trolley, a track and auxiliary electrical equipment. The intelligent test unit comprises a complete machine test device of a relay protection device, an alternating current/direct current voltage/current program control output device, an intelligent test control center (STCC), an air valve management control device, auxiliary electrical equipment and a cabinet.
The robot moves the device from the trolley to the appointed station of the intelligent test unit, and the method for identifying the position of the device by the robot is determined according to signals generated by the grating arranged beside the trolley track, and the trolley slides into the test track to trigger different gratings. The robot acquires the shape data of the device according to the binary data reflected by the grating, and accurately positions the position of the device on the trolley. For example, binary data 0B0001 represents type A, 0B0011 represents type B, 0B0111 represents type C device, and 0B1111 represents type J.
The intelligent test control center of the intelligent test unit actively tests the robot control center according to the current test working condition, and the left side or the right side of the test unit determines that the position is free of devices through the grating signals if the required device guarantee signals are.
The intelligent test control center of the intelligent test unit actively needs the robot to take away the device, the guarantee signal of the taking away device is that the left side or the right side of the test unit determines that the position has the device through the grating signal.
After the test content of the relay protection device is completely finished, the intelligent test control center informs the robot control center of the number of the intelligent test unit, the position of the device and the test result, and the robot determines to put the device back to a trolley or an NG area according to the test result.
The intelligent test units are independent, and when the relay protection device changes, the intelligent test units can be quickly switched only by replacing the cabinet test bin module. The intelligent test units are communicated with the robot control center through a TCP network to complete data bidirectional transmission, the number of the intelligent test units is not limited within the operation allowable range of the robot, and test tasks of various relay protection devices can be synchronously performed. The intelligent test unit can be freely added.
The intelligent test control center determines the specific information of the device according to the bar code or the two-dimensional code of the device, forms a closed-loop test environment according to the specific information of the device, and adopts which test logic to test the device; the test content includes test item a and test item B. The test item A comprises fixed value modification, communication test, input test and output test. And the test item B comprises fixed value modification and simulation channel precision verification. In the test sequence, item A is tested first, and item B is tested second. And when the project A and the project B are completed and succeeded, the intelligent test control center automatically uploads a test report to the enterprise cloud. And if the test fails, uploading detailed information of the test failure to an enterprise cloud maintenance database, and automatically pushing maintenance data to a maintenance engineer by a maintenance system according to the failure information.
The repeated test times of the test failure of the device item A are controlled by the intelligent test control center, and when the item A exceeds the maximum test times of the test failure, the intelligent test control center directly sends an NG command to the robot control center to request to move the device. The test of item A is correct, and the test of item B is carried out. And after the test of the project B is correct, completing the test process, and requesting the robot to move the device to the trolley, otherwise, moving the device to the NG area. The number of times of repeated tests in test failure is set by an intelligent test control center.
And acquiring the specific information of the device is completed by searching an enterprise database through the cloud according to the bar code or the two-dimensional code of the device. The specific information of the device comprises a device contract number, a device model, a device name, a device board card composition and a device voltage grade.
As shown in fig. 2, the detailed process of the retest test of the intelligent test unit of the relay protection device is as follows:
1. is the intelligent test control center STCC of the intelligent test unit STU query whether there are two test stations left and right of the test platform A, B idle? If not, continuing to wait; if the step 2 is idle;
2. and the intelligent test control center STCC confirms whether a device exists or not through the raster information. If no device is available, the step 3 is carried out; if the device exists, alarming;
3. the intelligent test control center STCC sends a command to be installed to the robot control center, and the command content comprises the serial number of the intelligent test unit STU and the serial numbers of the two work stations AB;
4. the robot control center issues a command to the robot, the robot moves to a corresponding station of the intelligent test unit, and the STCC device is informed of being placed in place;
5. the STCC sends a warehousing instruction to the air valve control management device;
6. the air valve control management device controls the air valve to enable the device to enter a test position and electrify the device;
7. whether the STCC detection device is in a running state or not, if so, the step 8 is carried out, otherwise, the detection is continued, and when the maximum time is exceeded, an abnormal alarm is given;
8. the STCC sends a relay protection device closed-loop test environment construction instruction to the air valve control management device, and establishes a relay protection device complete machine test closed-loop environment;
9. the STCC sends a testing device instruction to a complete machine tester of the relay protection device;
10. the STCC judges that the complete machine test is unsuccessful, sends an NG instruction to the robot control center and requests to move the device to the N area; if the step 11 is successfully carried out;
11. the STCC controls the voltage current source to output corresponding voltage current to carry out precision check on the simulation channel of the relay protection device;
12. if the precision verification is unsuccessful, sending an NG instruction to the robot control center to request to move the device to an NG area; if step 13 is successfully carried out;
13. the STCC uploads a complete machine test report to an enterprise cloud;
14. STCC checks for devices by raster? If not, alarming; if yes, carrying out step 15;
15. the STCC sends a command of moving the device to the trolley to the RCC, and the RCC sends a command of moving the device by the robot, wherein the command content comprises an STU number and an AB station number;
16. the robot moves the device away, and the RCC reports the moving instruction of the device away to the STCC;
17. the system performs step 1.
Claims (10)
1. The complete machine re-inspection intelligent test system of the relay protection device is characterized by comprising a robot, a feeding subsystem, an NG area, a robot control center and a plurality of intelligent test units; the feeding subsystem comprises a feeding trolley, a track and auxiliary electrical equipment; the intelligent test unit comprises a complete machine test device of the relay protection device, an alternating current/direct current voltage/current program control output device, an intelligent test control center, an air valve management control device, auxiliary electrical equipment and a cabinet.
2. The complete machine reinspection intelligent test system of the relay protection device according to claim 1, wherein a grating is disposed beside the track, the feeding trolley slides into the track to trigger different gratings, and the robot obtains shape data of the relay protection device according to binary data reflected by the grating to accurately position the position of the relay protection device on the trolley.
3. The complete machine re-inspection intelligent test system for the relay protection devices according to claim 1, wherein the intelligent test units are independent of each other, different types of intelligent test units can test relay protection devices with different sizes, and when the relay protection devices change, the intelligent test units can be quickly switched only by replacing the cabinet test bin module.
4. The complete machine reinspection intelligent test system of claim 1, wherein the intelligent test unit is in communication connection with the robot control center through a TCP network to complete bidirectional data transmission.
5. The complete machine re-inspection intelligent test system of the relay protection device according to claim 1, wherein the NG area is an NG circulation track.
6. The testing method of the complete machine re-inspection intelligent testing system of the relay protection device as recited in claim 1, characterized by comprising the following steps:
(1) the robot control center controls the robot to position the relay protection device according to different types of feeding trolleys and moves the relay protection device to an appointed station of the intelligent test unit;
(2) scanning a bar code or a two-dimensional code on the relay protection device to inquire specific information of the relay protection device, and establishing a closed test environment;
(3) starting a complete machine test;
(4) if the test is successful, starting the precision check of the analog quantity channel; if the test fails, the robot moves the relay protection device to an NG area;
(5) if the precision is successfully verified, the robot moves the relay protection device back to the feeding trolley; if the precision verification fails, the robot moves the relay protection device to an NG area;
(6) and after the relay protection device is moved away by the robot, the robot control center sends a signal to the intelligent test control center.
7. The testing method of the intelligent testing system for re-inspection of the complete machine of the relay protection device according to claim 6, wherein in the step (3), the complete machine test comprises an item A and an item B; the test item A comprises fixed value modification, communication test, input test and output test; the test item B comprises fixed value modification and simulation channel precision verification; in sequence, item A is tested first, and item B is tested second; when the project A and the project B are completed and succeed, the intelligent test control center automatically uploads a test report to the enterprise cloud; and if the test fails, the intelligent test control center uploads the detailed problem test report to an enterprise cloud maintenance library and pushes corresponding board maintenance information to a maintenance engineer.
8. The testing method of the complete machine re-inspection intelligent testing system of the relay protection device according to claim 7, wherein the number of times of the test failure re-inspection of the item A is controlled by an intelligent test control center, and when the item A exceeds the maximum number of times of the test failure, the intelligent test control center directly sends an NG command to a robot control center to request to move the device; and when the project A tests correctly, carrying out the project B tests, and when the project B tests correctly, completing the whole test process, and requesting the robot to move the device to the trolley by the intelligent test control center, otherwise, moving the robot to the NG area.
9. The testing method of the intelligent testing system for integrated machine retest of the relay protection device according to claim 6, wherein in the step (2), the specific information includes a device contract number, a device model, a device name, a device board card and a device voltage level.
10. The testing method of the complete machine re-inspection intelligent testing system of the relay protection device according to claim 6, wherein in the step (2), the closed testing environment is established by sending a closed-loop testing environment construction instruction of the relay protection device to the air valve management control device through the intelligent testing control center.
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| WO2019229886A1 (en) * | 2018-05-30 | 2019-12-05 | 三菱電機株式会社 | Characteristic testing system for protection relay device |
| CN110596500A (en) * | 2019-10-15 | 2019-12-20 | 南京南瑞继保电气有限公司 | Intelligent test management platform and management method for relay protection device and electronic equipment |
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2021
- 2021-02-25 CN CN202110209121.7A patent/CN113075910A/en active Pending
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| CN105157615A (en) * | 2015-06-30 | 2015-12-16 | 上海航天动力科技工程有限公司 | Three-dimensional shape measurement system for vacuum |
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| CN106680640A (en) * | 2017-03-07 | 2017-05-17 | 南京南瑞继保电气有限公司 | Online intelligent testing method and system for complete machine of relay protection device |
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