CN108733033A - A kind of safe instrument control system cabinet capacitance detecting device - Google Patents
A kind of safe instrument control system cabinet capacitance detecting device Download PDFInfo
- Publication number
- CN108733033A CN108733033A CN201810652612.7A CN201810652612A CN108733033A CN 108733033 A CN108733033 A CN 108733033A CN 201810652612 A CN201810652612 A CN 201810652612A CN 108733033 A CN108733033 A CN 108733033A
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- CN
- China
- Prior art keywords
- cabinet
- sub
- voltage
- frame
- control system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention belongs to safe instrument control system cabinet component capabilities detection fields, and in particular to a kind of safe instrument control system cabinet capacitance detecting device, including：Sub-frame, signal acquisition display recorder, cabinet capacitance, cabinet power switch and cabinet power supply, the sub-frame further include：Voltage measurement fastener, power module, function module and other load modules；The power module input terminal is connected with cabinet power switch, cabinet power supply and signal acquisition display recorder；The cabinet capacitance is arranged between power module input terminal and cabinet power switch；Voltage measurement fastener front end is provided with voltage output end interface unit, and voltage output end interface unit is connect with signal acquisition display recorder.The capacitive property detection device that the present invention designs identifies whether performance declines module by maintaining powers duration under detection capacitor strap loading condiction, and providing data for system reliability repair supports.
Description
Technical field
The invention belongs to safe instrument control system cabinet component capabilities detection fields, and in particular to a kind of safe instrument control System Computer
Cabinet capacitance detecting device.
Background technology
Safe instrument control system cabinet includes signal acquisition cabinet, processor cabinet, logic voting cabinet, driving equipment cabinet
With warning message acquisition process cabinet, handset rack device is disposed in cabinet, sub-frame has independent power-supplying modules, cabinet power supply
Output services voltage powers to the function module in sub-frame after being converted by power-supplying modules.
The capacity cell of three pairs of large capacities is arranged in each cabinet, capacitance discharges itself storage when cabinet dead electricity
Voltage disappears after so that sub-frame power module output services voltage is maintained a period of time, again to ensure function module in sub-frame
Carry out data buffer storage.
Capacitance uses phase in longevity, phase in longevity length to depend primarily on operating ambient temperature with certain.Certain nuclear power station electronic is set
Environment temperature is always held between 20~22 degree between standby, and capacitance working environment is good, and capacitive faults did not occurred so far for operation.
In order to carry out control to capacitive property, it is found that capacitance is unsatisfactory for being replaced in time when job requirement, needing to develop one kind can be with
To the device that cabinet capacitance working performance is detected, to evaluate cabinet capacitive function, rational maintenance strategy.
Invention content
Purpose of the present invention is to design a kind of safe instrument control system cabinet capacitance detecting dress in view of the above shortcomings of the prior art
It sets, to solve effectively verify whether cabinet capacitive property meets job requirement.
The technical scheme is that：
A kind of safe instrument control system cabinet capacitive property detection device, including：Sub-frame, signal acquisition display recorder,
Cabinet capacitance, cabinet power switch and cabinet power supply, the sub-frame further include：Voltage measurement fastener, power module, function mould
Part and other load modules；The power module input terminal is connected with cabinet power switch, cabinet power supply and signal acquisition and shows
Recorder；The cabinet capacitance is arranged between power module input terminal and cabinet power switch；Before the voltage measurement fastener
End is provided with voltage output end interface unit, and voltage output end interface unit is connect with signal acquisition display recorder.
Setting interface unit in voltage measurement fastener rear end as described above matches with handset back-propping plate stitch；Voltage measurement card
The voltage output end interface unit of part is drawn for sub-frame voltage signal.
Voltage measurement fastener as described above is installed in sub-frame, the size of voltage measurement fastener and the mounting groove of sub-frame
Non-colinear position.
Cabinet power supply cut-off signal is drawn as described above to indicate using the power module input terminal voltage；The cabinet electricity
Source cut-off signal and sub-frame voltage measurement signal, which are connected to by hardwire in signal acquisition display recorder, to be shown, and
Signal is analyzed and is compared.
The time point that power module input terminal voltage as described above declines 1V disconnects initial time as cabinet power supply.
Cabinet power off-times and sub-frame voltage as described above lose the time between the two every the work of characterization cabinet capacitance
Make the time, the working performance of cabinet capacitance is characterized with this interval time.
The invention has the advantages that：
Detection device of the present invention is to utilize the existing power supply signal of cabinet, designs sub-frame voltage measuring apparatus to obtain electricity
Signal is pressed, while two signals are recorded and analyzed in display recorder.Pass through capacitance under real simulation cabinet rated load
Whether the course of work, basis signal analysis result can meet cabinet capacitive property service requirement and carry out effective evaluation.
The capacitive property detection device that the present invention designs, by maintaining powers duration to know under detection capacitor strap loading condiction
Whether performance declines other module, and providing data for system reliability repair supports.
In addition, the capacitive property detection device that the present invention designs is quantified the performance to electronic component by test data,
Its performance is monitored by periodically being tested capacitance, there is dissemination to similar I &C equipment performance monitoring.
Description of the drawings
Fig. 1 is the safe instrument control system cabinet capacitive property detection device schematic diagram designed by the present invention；
Fig. 2 is the safe instrument control system cabinet capacitance detecting device voltage curve schematic diagram designed by the present invention；
Wherein, 1-function module；2-other load modules；3-voltage measurement fasteners；4-power modules；5-signals
Acquire display recorder；6-cabinet capacitances；7-cabinet power switch；8-cabinet power supplys；9-cabinet supply lines；10-cabinets
Power supply cut-off signal；11-sub-frame voltage signals；12-sub-frames
Specific implementation mode
A kind of safe instrument control system cabinet capacitive property detection device of the present invention is described further below：
As shown in Figure 1, a kind of safe instrument control system cabinet capacitive property detection device, including：
Sub-frame 12, signal acquisition display recorder 5, cabinet capacitance 6, cabinet power switch 7 and cabinet power supply 8, it is described
Sub-frame 12 further includes：Voltage measurement fastener 3, power module 4, function module 1 and other load modules 2；The power module 4
Input terminal is connected with cabinet power switch 7, cabinet power supply 8 and signal acquisition display recorder 5；The setting of cabinet capacitance 6 exists
Between 4 input terminal of power module and cabinet power switch 7；3 front end of voltage measurement fastener is provided with voltage output end interface
Unit, voltage output end interface unit are connect with signal acquisition display recorder 5.
3 rear end of the voltage measurement fastener setting interface unit matches with 12 backboard stitch of sub-frame；Voltage measurement card
The voltage output end interface unit of part 3 is drawn for sub-frame voltage signal 11.
The voltage measurement fastener 3 is installed in sub-frame 12, the installation of the size and sub-frame 12 of voltage measurement fastener 3
Slot non-colinear position.
The extraction cabinet power supply cut-off signal 10 is indicated using 4 input terminal voltage of power module；The cabinet electricity
Source cut-off signal 10 and sub-frame voltage measurement signal 11, which are connected to by hardwire in signal acquisition display recorder 5, to be shown
Show, and signal is analyzed and compared.
The time point that 4 input terminal voltage of the power module declines 1V disconnects initial time as cabinet power supply 8.
8 turn-off time of cabinet power supply and sub-frame voltage lose the time between the two every the work of characterization cabinet capacitance 6
Time characterizes the working performance of cabinet capacitance 6 with this interval time.
As shown in Fig. 2, a kind of detection method of safe instrument control system cabinet capacitive property detection device, including it is following
Step：
Step 1：Cabinet power switch 7 is disconnected, cabinet to be measured is made to power off；Voltage measurement fastener 3 is mounted on sub-frame 12
Vacant slot simultaneously compresses, and 3 back end interface unit of voltage measurement fastener is made to be connected with 12 stitch of sub-frame；Connect voltage measurement fastener 3
Front voltage output port is to the signal wire between signal acquisition display instrument 5；
Step 2：4 input terminal of power module is connected between signal acquisition display instrument 5 signal wire；Restore cabinet power supply,
It is used in combination multimeter to measure cabinet supply voltage UIN, voltage is at least rated voltage 24V；
Step 3：Setting signal acquires 5 range of display instrument and resolution ratio, make cabinet supply voltage signal curve be denoted as A and
Sub-frame voltage curve is denoted as the centre position that B can completelys are shown in screen；
Step 4：Cabinet power supply 8, recording curve A, B in display recorder are cut off, judges cabinet electricity by analyzing curve
Hold working performance；
Step 5：It records cabinet supply voltage UIN voltage levels before power-off and declines 1V between the forfeiture of sub-frame voltage
Time T；
(1) if T>10ms；Test passes through, and test must be re-started after 2 years；
(2) if 5ms≤T≤10ms；Test passes through, and test must be re-started after 1 year；
(3) if T<5ms；Test does not pass through, and must replace capacity cell in corresponding cabinet.
Capacitance working time T is powered off according to the safe instrument control cabinet sub-frame of the invention detection means measure to be far longer than
10ms, it was demonstrated that cabinet capacitive property is good.
Specific embodiment：
Apparatus of the present invention are in order to verify whether 6 performance of cabinet capacitance meets the requirements, after being lost using cabinet power supply 8, handset
12 power module 4 of frame cuts off the time interval of output voltage to weigh capacity cell performance.Cabinet power supply cut-off signal 10 uses
4 input terminal voltage of power module indicates.Cabinet power supply 8 is disconnected, 4 input terminal voltage of power module declines the time point of 1V as machine
Cabinet power supply 8 disconnects initial time, and (it is to consider that eliminating cabinet power-supply fluctuation influences, and capacitance does not rise also at this time to decline 1V using voltage
Effect).
The signal that sub-frame power module 4 cuts off output voltage needs design voltage measuring device to obtain, and is used for logging machine
Cabinet capacitance 6 discharges the end time.Voltage measuring apparatus is designed to 3 type of fastener：Size and 12 existing mounting groove position phase of sub-frame
Matching, is easily installed in sub-frame 12；3 rear end design interface unit of voltage measurement fastener, with 12 backboard stitch phase of sub-frame
It is mating；3 Front-end Design voltage output end interface unit of fastener is drawn convenient for voltage signal 11；Board itself uses welding circuit
Plate technique.
Cabinet power supply cut-off signal 10 and sub-frame voltage measurement signal 11 by hardwire be connected in display recorder 5 into
Row display, it is convenient that signal is analyzed and compared.
8 turn-off time of cabinet power supply and sub-frame voltage lose the time between the two every characterization 6 working time of cabinet capacitance, with
This interval time characterizes capacitance working performance.
The invention detection device is to utilize the existing power supply signal of cabinet, designs sub-frame voltage measuring apparatus to obtain electricity
Signal is pressed, while two signals are recorded and analyzed in display recorder.Pass through capacitance under real simulation cabinet rated load
Whether the course of work, basis signal analysis result can meet cabinet capacitive property service requirement and carry out effective evaluation.
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 prior art may be used in the content not being described in detail in the present invention.
Claims (6)
1. a kind of safe instrument control system cabinet capacitive property detection device, it is characterised in that：Including：Sub-frame (12), signal are adopted
Collection display recorder (5), cabinet capacitance (6), cabinet power switch (7) and cabinet power supply (8), the sub-frame (12) are also wrapped
It includes：Voltage measurement fastener (3), power module (4), function module (1) and other load modules (2)；The power module (4) is defeated
Enter end and is connected with cabinet power switch (7), cabinet power supply (8) and signal acquisition display recorder (5)；The cabinet capacitance (6)
It is arranged between power module (4) input terminal and cabinet power switch (7)；Voltage measurement fastener (3) front end is provided with electricity
Output end interface unit, voltage output end interface unit is pressed to be connect with signal acquisition display recorder (5).
2. a kind of safe instrument control system cabinet capacitive property detection device as described in claim 1, it is characterised in that：Voltage is surveyed
Setting interface unit in amount fastener (3) rear end matches with sub-frame (12) backboard stitch；The voltage output of voltage measurement fastener (3)
End interface unit is drawn for sub-frame voltage signal (11).
3. a kind of safe instrument control system cabinet capacitive property detection device as claimed in claim 2, it is characterised in that：The electricity
Pressure measures fastener (3) and is installed in sub-frame (12), the size of voltage measurement fastener (3) and the mounting groove position phase of sub-frame (12)
Matching.
4. a kind of safe instrument control system cabinet capacitive property detection device as claimed in claim 3, it is characterised in that：Extractor
Cabinet power supply cut-off signal (10) is indicated using the power module (4) input terminal voltage；The cabinet power supply cut-off signal (10)
It is connected in signal acquisition display recorder (5) and is shown by hardwire with sub-frame voltage measurement signal (11), and is right
Signal is analyzed and is compared.
5. a kind of safe instrument control system cabinet capacitive property detection device as claimed in claim 4, it is characterised in that：The electricity
The time point that source module (4) input terminal voltage declines 1V disconnects initial time as cabinet power supply (8).
6. a kind of safe instrument control system cabinet capacitive property detection device as claimed in claim 5, it is characterised in that：Cabinet electricity
Source (8) turn-off time and sub-frame voltage lose the time between the two every the working time of characterization cabinet capacitance (6), when with this interval
Between characterize the working performance of cabinet capacitance (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652612.7A CN108733033A (en) | 2018-06-22 | 2018-06-22 | A kind of safe instrument control system cabinet capacitance detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652612.7A CN108733033A (en) | 2018-06-22 | 2018-06-22 | A kind of safe instrument control system cabinet capacitance detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108733033A true CN108733033A (en) | 2018-11-02 |
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ID=63930610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810652612.7A Pending CN108733033A (en) | 2018-06-22 | 2018-06-22 | A kind of safe instrument control system cabinet capacitance detecting device |
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| CN (1) | CN108733033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920566A (en) * | 2019-03-29 | 2019-06-21 | 江苏核电有限公司 | A kind of fuel manipulator crane emergence measuring device |
| CN114720018A (en) * | 2022-04-07 | 2022-07-08 | 中国电信股份有限公司 | Monitoring system and monitoring method for power supply equipment, electronic equipment and storage medium |
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| WO2006097127A1 (en) * | 2005-03-17 | 2006-09-21 | Rittal Gmbh & Co. Kg | Switchgear cabinet assembly or rack assembly |
| CN203734276U (en) * | 2014-03-06 | 2014-07-23 | 江苏核电有限公司 | Safety instrument control system signal acquisition module power distribution device |
| CN105954574A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Measurement and control system for switch cabinet zero-sequence current |
| CN206117298U (en) * | 2016-09-14 | 2017-04-19 | 常熟开关制造有限公司(原常熟开关厂） | Double power source switch device convenient to maintain |
| CN106814266A (en) * | 2015-11-30 | 2017-06-09 | 江苏核电有限公司 | A kind of safe instrument control system cabinet capacitive property detection method |
| CN208506587U (en) * | 2018-06-22 | 2019-02-15 | 江苏核电有限公司 | A kind of safe instrument control system cabinet capacitance detecting device |
-
2018
- 2018-06-22 CN CN201810652612.7A patent/CN108733033A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006097127A1 (en) * | 2005-03-17 | 2006-09-21 | Rittal Gmbh & Co. Kg | Switchgear cabinet assembly or rack assembly |
| CN203734276U (en) * | 2014-03-06 | 2014-07-23 | 江苏核电有限公司 | Safety instrument control system signal acquisition module power distribution device |
| CN106814266A (en) * | 2015-11-30 | 2017-06-09 | 江苏核电有限公司 | A kind of safe instrument control system cabinet capacitive property detection method |
| CN105954574A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Measurement and control system for switch cabinet zero-sequence current |
| CN206117298U (en) * | 2016-09-14 | 2017-04-19 | 常熟开关制造有限公司(原常熟开关厂） | Double power source switch device convenient to maintain |
| CN208506587U (en) * | 2018-06-22 | 2019-02-15 | 江苏核电有限公司 | A kind of safe instrument control system cabinet capacitance detecting device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920566A (en) * | 2019-03-29 | 2019-06-21 | 江苏核电有限公司 | A kind of fuel manipulator crane emergence measuring device |
| CN114720018A (en) * | 2022-04-07 | 2022-07-08 | 中国电信股份有限公司 | Monitoring system and monitoring method for power supply equipment, electronic equipment and storage medium |
| CN114720018B (en) * | 2022-04-07 | 2024-04-05 | 中国电信股份有限公司 | Monitoring system and monitoring method of power supply equipment, electronic equipment and storage medium |
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