CN109932600A - A kind of switch cabinet drawer off-line testing device and its test method - Google Patents
A kind of switch cabinet drawer off-line testing device and its test method Download PDFInfo
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- CN109932600A CN109932600A CN201910245724.5A CN201910245724A CN109932600A CN 109932600 A CN109932600 A CN 109932600A CN 201910245724 A CN201910245724 A CN 201910245724A CN 109932600 A CN109932600 A CN 109932600A
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- switch cabinet
- cabinet drawer
- stoppage
- drawer
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000010998 test method Methods 0.000 title claims abstract description 12
- 230000007257 malfunction Effects 0.000 claims abstract description 28
- 238000012423 maintenance Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
The invention belongs to nuclear power station electrical repair technical fields, more particularly to a kind of switch cabinet drawer off-line testing device and its test method, comprising: power switch, power module, start button, stop button, run indicator, stoppage in transit indicator light, malfunction indicator lamp and switch cabinet drawer control loop；The connection of one end of the power switch and power module, the other end of power module is connected separately with start button, stop button, run indicator, stoppage in transit indicator light and malfunction indicator lamp, the start button, stop button, run indicator, stoppage in transit indicator light and malfunction indicator lamp the other end be connected to inside switch cabinet drawer control loop, the power switch and power module are connect with switch cabinet drawer control loop.
Description
Technical field
The invention belongs to nuclear power station electrical repair technical fields, and in particular to a kind of switch cabinet drawer off-line testing device and
Its test method.
Background technique
Certain nuclear power station 1,2 unit 400V buses are most of using MNS type switch cabinet drawer, and switch cabinet drawer is as it
Important component downstream power by equipment.Found in the long-term maintenance process of switch cabinet drawer: 1) relay of switch cabinet drawer,
The dependent failures such as contactor, which depend merely on resistance value measurement, can not determine diagnosis, and needing to be powered to its control loop carries out start and stop test ability
Determine diagnosis；2) it needs to verify drawer function integrality after drawer maintenance；But usually do not have due to system
Thread test condition, and in thread test, to fielded system and equipment, there are greater risks, and it is interim drawer can only to be transported to laboratory
Assembling tool simulates remote power feeding system and carries out off-line testing, therefore there is transport in the long-term maintenance process of switch cabinet drawer at this stage
Inconvenience, time-consuming disadvantage had both increased the maintenance of equipment time, also influenced overhaul efficiency and quality.Therefore it needs to design one kind
Switch cabinet drawer off-line testing device is for solving above-mentioned technological deficiency.
Summary of the invention
Object of the present invention is to provide in view of the above shortcomings of the prior art a kind of switch cabinet drawer off-line testing device and its
Test method, the skill influenced for functional verification after solving drawer trouble hunting in the prior art or overhauling by system operation conditions
Art problem.
The technical scheme is that
A kind of off-line testing device of switch cabinet drawer, comprising: power switch, power module, start button, stopping are pressed
Button, run indicator, stoppage in transit indicator light, malfunction indicator lamp and switch cabinet drawer control loop；The power switch and power supply mould
One end of block connects, and the other end of power module is connected separately with start button, stop button, run indicator, instruction of stopping transport
Lamp and malfunction indicator lamp, the start button, stop button, run indicator, stoppage in transit indicator light and malfunction indicator lamp it is another
End is connected to inside switch cabinet drawer control loop, and the power switch and power module control back with switch cabinet drawer
Road connection.
As the start button, stop button, run indicator, stoppage in transit indicator light and malfunction indicator lamp are arranged in parallel.
A kind of test method of the off-line testing device of either switch cabinet drawer as described above, includes the following steps:
Step 1: carry out experimental rig connection, from maintenance power supply or wall socket on take electricity, by experimental rig with open
Close the connection of cabinet drawer control loop；
Step 2: whether detection experimental rig charges normally；
Step 3: whether detection switch cabinet drawer faulty line is normal；
Step 4: whether detection switch cabinet drawer contactor is normal；
Step 5: switch cabinet drawer function off-line testing is completed.
Step 2 as described above, comprising: it turns on the power switch, whether is lighted by the stoppage in transit indicator light on diagnostic tool,
Judge whether test instrument charges normally.
Step 3 as described above, comprising: when switch cabinet drawer is placed in sub-gate position or test position, malfunction indicator lamp Ying Liang
It rises；If malfunction indicator lamp does not light, switch cabinet drawer fault-signal line related is faulty, checks line related；
If switch cabinet drawer is placed in closing position, malfunction indicator lamp should not work；If malfunction indicator lamp is lighted, switch
Cabinet drawer fault-signal line related is faulty.
Step 4 as described above, comprising: press start button, switch cabinet drawer contactor should be attracted, and run indicator is answered
It lights, switch cabinet drawer power loop should be connected and three-phase equilibrium；If contactor is not attracted, check that switch cabinet drawer controls back
Road；If run indicator is non-lit up, contactor auxiliary contact are checked.
Step 4 as described above, further includes: when pressing stop button, switch cabinet drawer contactor should discharge, and stoppage in transit refers to
Show that lamp should be lighted；If contactor does not discharge, switch cabinet drawer control loop is checked；If stoppage in transit indicator light is non-lit up, contact is checked
Device auxiliary contact.
The invention has the following advantages:
A kind of off-line testing device for switch cabinet drawer that the present invention designs can carry out energization examination to drawer control loop
It tests, the failure of the initiations such as relay, contactor is made a definite diagnosis, to progress off-line type functional completeness verifying after drawer maintenance.
Maintenance time after shortening equipment fault, improve the reliability of maintenance.It has the further advantage that simultaneously
1), off-line testing, off-line verification drawer function can be carried out to drawer.
2), power interface matching degree is high, is easy to take electricity.
3), control principle simple general-purpose, strong applicability.
4), compact, it is easy to carry to be used to scene.
5) working efficiency, effectively save drawer repair time, are improved.
6), auxiliary realizes that the resistance value of major loop measures work.
Detailed description of the invention
Fig. 1 is a kind of off-line testing apparatus structure schematic diagram of switch cabinet drawer designed by the present invention；
Wherein: 1- power switch；2- power module；3- start button；4- stop button；5- run indicator；6- stops transport
Indicator light；7- malfunction indicator lamp；8- switch cabinet drawer control loop
Specific embodiment
The technology of the present invention is described further below:
As shown in Figure 1, a kind of off-line testing device of switch cabinet drawer, comprising: power switch 1, power module 2, starting
Button 3, stop button 4, run indicator 5, stoppage in transit indicator light 6, malfunction indicator lamp 7 and switch cabinet drawer control loop 8；It is described
Power switch 1 is connect with one end of power module 2, and the other end of power module 2 is connected separately with start button 3, stop button
4, run indicator 5, stoppage in transit indicator light 6 and malfunction indicator lamp 7, the start button 3, run indicator 5, are stopped at stop button 4
Fortune indicator light 6 and the other end of malfunction indicator lamp 7 are connected to inside switch cabinet drawer control loop 8, the power switch 1
It is connect with switch cabinet drawer control loop 8 with power module 2.
As the start button 3, stop button 4, run indicator 5, stoppage in transit indicator light 6 and 7 parallel connection of malfunction indicator lamp are set
It sets.
A kind of test method of the off-line testing device of either switch cabinet drawer as described above, includes the following steps:
Step 1: carry out experimental rig connection, from maintenance power supply or wall socket on take electricity, by experimental rig with open
Cabinet drawer control loop 8 is closed to connect；
Step 2: whether detection experimental rig charges normally；
Turn on the power switch 1, whether lighted by the stoppage in transit indicator light 6 on diagnostic tool, judge test instrument whether band
It is electric normal.
Step 3: whether detection switch cabinet drawer faulty line is normal:
When switch cabinet drawer is placed in sub-gate position or test position, malfunction indicator lamp 7 should be lighted；If malfunction indicator lamp 7 is not bright
It rises, then switch cabinet drawer fault-signal line related is faulty, checks line related；
If switch cabinet drawer is placed in closing position, malfunction indicator lamp 7 should not work；If malfunction indicator lamp 7 is lighted, open
It is faulty to close cabinet drawer fault-signal line related.
Step 4: whether detection switch cabinet drawer contactor is normal；Start button 3 is pressed, switch cabinet drawer contactor is answered
It is attracted, run indicator 5 should be lighted, and switch cabinet drawer power loop should be connected and three-phase equilibrium；If contactor is not attracted, check
Switch cabinet drawer control loop；If run indicator 5 is non-lit up, contactor auxiliary contact are checked.
When pressing stop button 4, switch cabinet drawer contactor should discharge, and stoppage in transit indicator light 6 should be lighted；If contactor is not
Release checks switch cabinet drawer control loop；If stoppage in transit indicator light 6 is non-lit up, contactor auxiliary contact are checked.
Step 5: if above-mentioned steps can normally complete, provable drawer function is intact, and switch cabinet drawer function is offline
Test is completed.
The present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-described embodiments, at this
Field those of ordinary skill within the scope of knowledge, can also make various changes without departing from the purpose of the present invention
Change.The content being not described in detail in the present invention can use the prior art.
Claims (7)
1. a kind of off-line testing device of switch cabinet drawer characterized by comprising power switch (1), opens power module (2)
Dynamic button (3), stop button (4), run indicator (5), stoppage in transit indicator light (6), malfunction indicator lamp (7) and switch cabinet drawer control
Circuit (8) processed；The power switch (1) connect with one end of power module (2), and the other end of power module (2) is separately connected
There are start button (3), stop button (4), run indicator (5), stoppage in transit indicator light (6) and malfunction indicator lamp (7), the starting
Button (3), stop button (4), run indicator (5), stoppage in transit indicator light (6) and malfunction indicator lamp (7) the other end connect respectively
It is internal to be connected to switch cabinet drawer control loop (8), the power switch (1) and power module (2) are controlled with switch cabinet drawer
Circuit (8) connection.
2. a kind of off-line testing device of switch cabinet drawer as claimed in claim 2, it is characterised in that: the start button
(3), stop button (4), run indicator (5), stoppage in transit indicator light (6) and malfunction indicator lamp (7) are arranged in parallel.
3. a kind of test method of the off-line testing device of the either switch cabinet drawer as described in claim 1 to 2, feature exist
In including the following steps:
Step 1: carrying out experimental rig connection, electricity is taken from maintenance power supply or wall socket, by experimental rig and switchgear
Drawer control loop (8) connection；
Step 2: whether detection experimental rig charges normally；
Step 3: whether detection switch cabinet drawer faulty line is normal；
Step 4: whether detection switch cabinet drawer contactor is normal；
Step 5: switch cabinet drawer function off-line testing is completed.
4. a kind of test method of the off-line testing device of switch cabinet drawer as claimed in claim 3, it is characterised in that: described
Step 2, comprising: turn on the power switch (1), whether lighted by the stoppage in transit indicator light (6) on diagnostic tool, judge to test work
Whether tool charges normal.
5. a kind of test method of the off-line testing device of switch cabinet drawer as claimed in claim 3, it is characterised in that: described
Step 3, comprising: when switch cabinet drawer is placed in sub-gate position or test position, malfunction indicator lamp (7) Ying Liangqi；If malfunction indicator lamp
(7) it does not light, then switch cabinet drawer fault-signal line related is faulty, checks line related；
If switch cabinet drawer is placed in closing position, malfunction indicator lamp (7) Ying Buliang；If malfunction indicator lamp (7) is lighted, open
It is faulty to close cabinet drawer fault-signal line related.
6. a kind of test method of the off-line testing device of switch cabinet drawer as claimed in claim 3, it is characterised in that: described
Step 4, comprising: press start button (3), switch cabinet drawer contactor should be attracted, and run indicator (5) should be lighted, switchgear
Drawer power loop should be connected and three-phase equilibrium；If contactor is not attracted, switch cabinet drawer control loop is checked；If operation instruction
Lamp (5) is non-lit up, checks contactor auxiliary contact.
7. a kind of test method of the off-line testing device of switch cabinet drawer as claimed in claim 6, it is characterised in that: described
Step 4, further includes: when pressing stop button (4), switch cabinet drawer contactor should discharge, and stoppage in transit indicator light (6) should be lighted；
If contactor does not discharge, switch cabinet drawer control loop is checked；If stoppage in transit indicator light (6) is non-lit up, contactor auxiliary touching is checked
Point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN201910245724.5A CN109932600B (en) | 2019-03-28 | 2019-03-28 | Switch cabinet drawer offline test device and test method thereof |
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| Publication Number | Publication Date |
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| CN109932600A true CN109932600A (en) | 2019-06-25 |
| CN109932600B CN109932600B (en) | 2024-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123859A (en) * | 2019-12-10 | 2020-05-08 | 江苏核电有限公司 | Frequency converter debugging device |
| CN113708276A (en) * | 2021-08-24 | 2021-11-26 | 陕西北元化工集团股份有限公司 | Method for rapidly detecting fault of low-voltage distribution drawer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111123859A (en) * | 2019-12-10 | 2020-05-08 | 江苏核电有限公司 | Frequency converter debugging device |
| CN113708276A (en) * | 2021-08-24 | 2021-11-26 | 陕西北元化工集团股份有限公司 | Method for rapidly detecting fault of low-voltage distribution drawer |
| 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 |
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| CN109932600B (en) | 2024-08-09 |
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