CN109932600B - Switch cabinet drawer offline test device and test method thereof - Google Patents
Switch cabinet drawer offline test device and test method thereof Download PDFInfo
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- CN109932600B CN109932600B CN201910245724.5A CN201910245724A CN109932600B CN 109932600 B CN109932600 B CN 109932600B CN 201910245724 A CN201910245724 A CN 201910245724A CN 109932600 B CN109932600 B CN 109932600B
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000010998 test method Methods 0.000 title claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of electrical maintenance of nuclear power stations, and particularly relates to a switch cabinet drawer off-line test device and a test method thereof, wherein the test method comprises the following steps: the system comprises a power switch, a power module, a start button, a stop button, an operation indicator lamp, a shutdown indicator lamp, a fault indicator lamp and a switch cabinet drawer control loop; the power switch is connected with one end of the power module, the other end of the power module is respectively connected with a start button, a stop button, an operation indicator lamp, a shutdown indicator lamp and a fault indicator lamp, the other ends of the start button, the stop button, the operation indicator lamp, the shutdown indicator lamp and the fault indicator lamp are respectively connected inside a switch cabinet drawer control loop, and the power switch and the power module are connected with the switch cabinet drawer control loop.
Description
Technical Field
The invention belongs to the technical field of electrical maintenance of nuclear power stations, and particularly relates to a switch cabinet drawer off-line test device and a test method thereof.
Background
Most of 400V buses of a certain nuclear power station 1 and 2 units adopt MNS type switch cabinet drawers, and the switch cabinet drawers serve as important components for supplying power to downstream equipment. During the long-term overhaul process of the drawer of the switch cabinet, the following steps are found: 1) The single-reliable resistance measurement of the related faults such as a relay, a contactor and the like of the drawer of the switch cabinet can not confirm diagnosis, and the control loop is electrified to carry out a start-stop test to confirm diagnosis; 2) After the drawer is overhauled, the functional integrity of the drawer needs to be verified; however, because the system reasons often do not have online test conditions, and the online test has a large risk on field systems and equipment, the drawers can only be transported to a laboratory temporary assembly tool to simulate a remote control system to carry out offline test, so that the long-term overhaul process of the drawers of the switch cabinet at the present stage has the defects of inconvenient transportation and time consumption, thereby not only increasing the equipment maintenance time, but also affecting the overhaul efficiency and quality. Therefore, it is necessary to design an offline testing device for drawers of a switch cabinet to solve the above technical drawbacks.
Disclosure of Invention
The invention aims to provide an offline testing device and method for a drawer of a switch cabinet, aiming at the defects in the prior art, and aims to solve the technical problem that in the prior art, the function verification is influenced by the operation condition of a system after the fault maintenance or the overhaul of the drawer.
The technical scheme of the invention is as follows:
An off-line testing device for a switchgear drawer, comprising: the system comprises a power switch, a power module, a start button, a stop button, an operation indicator lamp, a shutdown indicator lamp, a fault indicator lamp and a switch cabinet drawer control loop; the power switch is connected with one end of the power module, the other end of the power module is respectively connected with a start button, a stop button, an operation indicator lamp, a shutdown indicator lamp and a fault indicator lamp, the other ends of the start button, the stop button, the operation indicator lamp, the shutdown indicator lamp and the fault indicator lamp are respectively connected inside a switch cabinet drawer control loop, and the power switch and the power module are connected with the switch cabinet drawer control loop.
And if the starting button, the stopping button, the running indicator lamp, the off-line indicator lamp and the fault indicator lamp are arranged in parallel.
The test method of the off-line test device of any switch cabinet drawer comprises the following steps:
step one: carrying out line connection of the test device, taking electricity from an overhaul power supply or a wall socket, and connecting the test device with a drawer control loop of the switch cabinet;
Step two: detecting whether the test device is electrified normally;
step three: detecting whether a fault line of a drawer of the switch cabinet is normal or not;
Step four: detecting whether a drawer contactor of the switch cabinet is normal or not;
Step five: and the switch cabinet drawer function offline test is completed.
Step two, as described above, includes: and (3) turning on a power switch, and judging whether the test tool is electrified normally by judging whether an off-line indicator lamp on the diagnostic tool is lighted.
Step three, as described above, includes: when the switch cabinet drawer is placed in a switch-off position or a test position, the fault indicator lamp is lighted; if the fault indicator lamp is not turned on, the relevant line of the fault signal of the drawer of the switch cabinet has faults, and the relevant line is checked;
if the drawer of the switch cabinet is placed at the closing position, the fault indicator lamp should not be lightened; if the fault indicator lights are on, the related lines of the fault signals of the drawers of the switch cabinet have faults.
Step four, as described above, comprises: when the start button is pressed, the switch cabinet drawer contactor should be attracted, the operation indicator lamp should be lightened, and the switch cabinet drawer power circuit should be conducted and balanced in three phases; if the contactor is not attracted, checking a drawer control loop of the switch cabinet; if the operation indicator lamp is not lighted, the auxiliary contact of the contactor is checked.
Step four as described above, further comprising: when the stop button is pressed, the switch cabinet drawer contactor should be released, and the shutdown indicator lamp should be lighted; if the contactor is not released, checking a switch cabinet drawer control loop; if the shutdown indicator lamp is not lighted, the auxiliary contact of the contactor is checked.
The invention has the following beneficial effects:
The offline testing device for the drawer of the switch cabinet, which is designed by the invention, can carry out an electrifying test on a drawer control loop, carry out diagnosis on faults caused by a relay, a contactor and the like, and carry out offline functional integrity verification after the drawer is overhauled. The maintenance time after equipment failure is shortened, and the maintenance reliability is improved. Meanwhile, the method has the following advantages:
1) The drawer can be subjected to off-line test, and the function of the drawer can be verified off-line.
2) And the power interface has high matching degree and is easy to take electricity.
3) The control principle is simple and universal, and the applicability is strong.
4) The portable device is small in size and convenient to carry to the site for use.
5) And the working efficiency is improved, and the maintenance time of the drawer is effectively saved.
6) And the resistance value measurement work of the main loop is realized in an auxiliary way.
Drawings
FIG. 1 is a schematic diagram of an off-line test apparatus for a switchgear drawer according to the present invention;
Wherein, the power switch is 1-connected with the power supply; 2-a power module; 3-an actuation button; 4-stop button; 5-running an indicator light; 6-stopping the operation indicator lamp; 7-fault indicator lights; 8-switch cabinet drawer control loop
Detailed Description
The technology of the present invention is further described below:
As shown in fig. 1, an off-line testing device for a switchgear drawer includes: the power switch 1, the power module 2, the start button 3, the stop button 4, the running indicator lamp 5, the shutdown indicator lamp 6, the fault indicator lamp 7 and the switch cabinet drawer control loop 8; the power switch 1 is connected with one end of the power module 2, the other end of the power module 2 is respectively connected with a start button 3, a stop button 4, an operation indicator lamp 5, a stop indicator lamp 6 and a fault indicator lamp 7, the other ends of the start button 3, the stop button 4, the operation indicator lamp 5, the stop indicator lamp 6 and the fault indicator lamp 7 are respectively connected inside a switch cabinet drawer control loop 8, and the power switch 1 and the power module 2 are both connected with the switch cabinet drawer control loop 8.
Such as the start button 3, the stop button 4, the running indicator lamp 5, the shutdown indicator lamp 6 and the fault indicator lamp 7 are arranged in parallel.
The test method of the off-line test device of any switch cabinet drawer comprises the following steps:
Step one: carrying out line connection of a test device, taking electricity from an overhaul power supply or a wall socket, and connecting the test device with a drawer control loop 8 of a switch cabinet;
Step two: detecting whether the test device is electrified normally;
The power switch 1 is turned on, and whether the test tool is electrified normally is judged by whether the off-line indicator lamp 6 on the diagnostic tool is lighted.
Step three: detecting whether a fault line of a drawer of the switch cabinet is normal or not:
When the switch cabinet drawer is placed in a switch-off position or a test position, the fault indicator lamp 7 is lighted; if the fault indicator lamp 7 is not turned on, the relevant line of the fault signal of the drawer of the switch cabinet has faults, and the relevant line is checked;
If the switch cabinet drawer is placed at the closing position, the fault indicator lamp 7 should not be on; if the fault indicator lamp 7 is on, the relevant line of the fault signal of the drawer of the switch cabinet is faulty.
Step four: detecting whether a drawer contactor of the switch cabinet is normal or not; when the start button 3 is pressed, the switch cabinet drawer contactor is required to be attracted, the operation indicator lamp 5 is required to be lightened, and the switch cabinet drawer power circuit is required to be conducted and balanced in three phases; if the contactor is not attracted, checking a drawer control loop of the switch cabinet; if the running indicator lamp 5 is not on, the contactor auxiliary contact is checked.
When the stop button 4 is pressed, the switch cabinet drawer contactor should be released, and the shutdown indicator lamp 6 should be lighted; if the contactor is not released, checking a switch cabinet drawer control loop; if the shutdown indicator light 6 is not illuminated, the contactor auxiliary contacts are checked.
Step five: if the steps can be normally completed, the drawer functions can be proved to be complete, and the switch cabinet drawer functions are completed in an offline test.
The present invention has been described in detail with reference to the embodiments, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. The invention may be practiced otherwise than as specifically described.
Claims (1)
1. The utility model provides a test method of off-line test device of cubical switchboard drawer which characterized in that, the off-line test device of cubical switchboard drawer includes: the power supply device comprises a power switch (1), a power supply module (2), a start button (3), a stop button (4), an operation indicator lamp (5), a shutdown indicator lamp (6), a fault indicator lamp (7) and a switch cabinet drawer control loop (8); the power switch (1) is connected with one end of the power module (2), the other end of the power module (2) is respectively connected with a start button (3), a stop button (4), an operation indicator lamp (5), a stop indicator lamp (6) and a fault indicator lamp (7), the other ends of the start button (3), the stop button (4), the operation indicator lamp (5), the stop indicator lamp (6) and the fault indicator lamp (7) are respectively connected inside a switch cabinet drawer control loop (8), and the power switch (1) and the power module (2) are both connected with the switch cabinet drawer control loop (8);
The starting button (3), the stopping button (4), the running indicator lamp (5), the stopping indicator lamp (6) and the fault indicator lamp (7) are arranged in parallel;
The test method of the off-line test device of the switch cabinet drawer comprises the following steps:
Step one: carrying out line connection of a test device, taking electricity from an overhaul power supply or a wall socket, and connecting the test device with a drawer control loop (8) of the switch cabinet;
Step two: detecting whether the test device is electrified normally;
step three: detecting whether a fault line of a drawer of the switch cabinet is normal or not;
Step four: detecting whether a drawer contactor of the switch cabinet is normal or not;
Step five: the drawer function offline test of the switch cabinet is completed;
the second step comprises the following steps: the power switch (1) is turned on, and whether the test tool is electrified normally is judged by whether an off-line indicator lamp (6) on the diagnostic tool is lighted or not;
The third step comprises the following steps: when the switch cabinet drawer is placed in a switch-off position or a test position, the fault indicator lamp (7) is required to be lightened; if the fault indicator lamp (7) is not lightened, the related circuit of the fault signal of the switch cabinet drawer has faults, and the related circuit is checked;
If the drawer of the switch cabinet is placed at the closing position, the fault indicator lamp (7) should not be lightened; if the fault indicator lamp (7) is lighted, the related circuit of the fault signal of the drawer of the switch cabinet has faults;
The fourth step comprises the following steps: when the starting button (3) is pressed, the switch cabinet drawer contactor is required to be attracted, the operation indicator lamp (5) is required to be lightened, and the switch cabinet drawer power circuit is required to be conducted and balanced in three phases; if the contactor is not attracted, checking a drawer control loop of the switch cabinet; if the running indicator lamp (5) is not lighted, checking auxiliary contacts of the contactor;
The fourth step further includes: when the stop button (4) is pressed, the switch cabinet drawer contactor should be released, and the stop indicator lamp (6) should be lighted; if the contactor is not released, checking a switch cabinet drawer control loop; if the shutdown indicator lamp (6) is not lighted, the auxiliary contact of the contactor is checked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910245724.5A CN109932600B (en) | 2019-03-28 | 2019-03-28 | Switch cabinet drawer offline test device and test method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910245724.5A CN109932600B (en) | 2019-03-28 | 2019-03-28 | Switch cabinet drawer offline test device and test method thereof |
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| CN109932600A CN109932600A (en) | 2019-06-25 |
| CN109932600B true CN109932600B (en) | 2024-08-09 |
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| CN201910245724.5A Active CN109932600B (en) | 2019-03-28 | 2019-03-28 | Switch cabinet drawer offline test device and test method thereof |
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| CN111123859A (en) * | 2019-12-10 | 2020-05-08 | 江苏核电有限公司 | Frequency converter debugging device |
| CN113708276B (en) * | 2021-08-24 | 2024-03-12 | 陕西北元化工集团股份有限公司 | Method for rapidly detecting faults of low-voltage power distribution drawer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206450798U (en) * | 2017-02-17 | 2017-08-29 | 河钢股份有限公司邯郸分公司 | A kind of device for fast detecting of MCC cabinets drawer failure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201382979Y (en) * | 2008-12-25 | 2010-01-13 | 中国铝业股份有限公司 | Fault detection and debugging device for drawer type distribution box |
| CN201514450U (en) * | 2009-09-17 | 2010-06-23 | 施耐德(北京)中压电器有限公司 | Drawer module testing device and drawer module testing system |
| CN201637819U (en) * | 2010-04-21 | 2010-11-17 | 山西太钢不锈钢股份有限公司 | Drawer type switchgear electronic component testing device |
| KR101254040B1 (en) * | 2011-12-06 | 2013-04-12 | 한국철도공사 | Tester for main circuit breaker of electric locomotive |
| EP2816364B1 (en) * | 2013-06-20 | 2023-09-27 | Abb Ag | Proof test arrangement and proof test method for a switchgear |
| CN203787831U (en) * | 2014-01-24 | 2014-08-20 | 中山市明阳电器有限公司 | Drawer circuit test power supply |
| CN204203426U (en) * | 2014-09-28 | 2015-03-11 | 中国石油化工股份有限公司 | MRR relay rapid verification platform |
| CN206649101U (en) * | 2017-03-31 | 2017-11-17 | 山东爱普电气设备有限公司 | Intelligent workbench |
| RU2665327C1 (en) * | 2017-10-30 | 2018-08-29 | Юрий Николаевич Черкасов | Device for controlling relay 8e123m when testing for reliability |
| CN208520932U (en) * | 2018-07-04 | 2019-02-19 | 唐山钢铁集团有限责任公司 | MCC drawer maintenance conditions platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206450798U (en) * | 2017-02-17 | 2017-08-29 | 河钢股份有限公司邯郸分公司 | A kind of device for fast detecting of MCC cabinets drawer failure |
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