CN107507656A - CRDM coil measurement system and methods - Google Patents
CRDM coil measurement system and methods Download PDFInfo
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- CN107507656A CN107507656A CN201710522171.4A CN201710522171A CN107507656A CN 107507656 A CN107507656 A CN 107507656A CN 201710522171 A CN201710522171 A CN 201710522171A CN 107507656 A CN107507656 A CN 107507656A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2611—Measuring inductance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
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- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Power Engineering (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of CRDM coil measurements system and method, the system includes：Operate software, there is provided human-computer interaction interface, send measurement instruction and gather measurement signal generation form；Input-output unit sends measurement instruction according to measurement switching signal, and acquisition parameter measurement result is simultaneously exported to operation software；Integrated control unit identifies according to measurement instruction carry-out bit to be instructed, and feeds back a trigger signal；Clamping coil, moving coil and lifting coil on parameter measurement unit connection CRDM, identify that instruction measures the resistance data of each coil, insulation data, inductive data, quality factor and output parameter measurement result to input-output unit according to position.In the CRDM coil measurement system and methods of the present invention, by the parameter measurement for integrating control unit control parameter measuring unit, so that input-output unit acquisition parameter measurement result, reliability, the uniformity of field data can be effectively improved, data distortion caused by avoiding human-equation error, shorten overhaul man-hour and human input.
Description
Technical field
The present invention relates to million kilowatt advanced pressurized water reactor nuclear power generating sets rod control system technical field, more particularly to one kind
CRDM coil measurement system and methods.
Background technology
CRDM (hereinafter referred to as CRDM) coil (EMA) of RGL systems is nuclear power heap-type integrated top cover group
The important part of part, as electromechanical drive mechanism, drive control rod positions its vertical direction in pressure reaction heap container
Position.Have by CRDM come the position that changes or keep control rod, the function of realization：Start or stop nuclear reactor；In core
During power station is run, correction and the power for keeping nuclear reaction；When nuclear reaction accident occurs, quick closedown nuclear reactor.CRDM
Coil is the important control device of CRDM action.To ensure the availability of coil, each refulling cycle need pair
CRDM coils and its accessory cables carry out the test such as insulation and resistance.
Often circulate overhaul during, the resistance of CRDM coils (EMA), Insulation test result be reflection CRDM coils (EMA) and
The significant data of its relevant cables state.CRDM includes three coils, respectively clamps coil SG, moving coil MG and increase line
Enclose LC.Often circulate descending and up period CRDM coils (EMA) are measured once, it is necessary to record with analysis judge number
Quite huge according to measuring, the data that only measurement CRDM coils (EMA) resistance and insulation need to record every time are just up to 549.
It is all by manually using universal meter, the operation of insulation meter associated tracks to complete, reading to perform this work every time at present
Number, record, data analysis are finished artificially.Technology, quality, the deficiency of the aspect of duration three be present in current measuring method.
Technology：Because borrowing the difference of instrument every time, difference, the difference of operating habit of operational staff's reading custom cause often
The uniformity of secondary overhaul data is poor, and device history data Feasible degree reduces.
Quality：Measurement work group member need to continuously work and record more than 500 data every time, and enter on this basis
Row data processing, standard judge, in the case where workload and data volume are huge, can not be avoided completely from the behavioural norm of people
The careless omission being likely to occur；In addition, CRDM coils (EMA) resistance measurement typically requires that measurement accuracy reaches milliohm rank, scene warp
Often occur because various human factors (contact problems, reading duration etc.) cause measurement result to exceed critical field.
Duration：Because the insulation and resistance measurement of CRDM coils (EMA), required duration are performed in a manner of manually-operated at present
It is longer, it is slightly abnormal at work to be then delayed overhaul critical path.
Therefore, it is solution problems described above, it is necessary to research and develop a set of CRDM (EMA) intelligent test device, substitute existing
Method of testing, to improve operating efficiency, human-equation error is avoided, improve data reliability and improve repair quality so as to overall.
The content of the invention
The technical problem to be solved in the present invention is, there is provided a kind of improved CRDM coil measurements system and method.
The technical solution adopted for the present invention to solve the technical problems is：A kind of CRDM coil measurements system is provided, including：
Software is operated, for providing operation interface, formulating data acquiring frequency with exporting rule and sending measurement switch letter
Number, and contrasted according to the measurement signals output data form and trend of reception；
Input-output unit, it is connected with the operation software, for being sent according to the measurement switching signal with passage
Number for identification measurement instruction, and acquisition parameter measurement result, and the parameter measurements are subjected to signal conversion, output
The measurement signals to the operation software, wherein, signal conversion includes insulation data being converted to the operation
The recognizable electric signal of software；
Integrated control unit, is connected with the input-output unit, for being identified according to the measurement instruction carry-out bit
Instruction, and a trigger signal is fed back to the input-output unit, gather the parameter so as to trigger the input-output unit
Measurement result, the integrated control unit are additionally operable to the time of measuring of control parameter measuring unit and the input-output unit
Acquisition time；
Parameter measurement unit, it is connected with the integrated control unit and the input-output unit, and is connect by rack
Head connects clamping coil, moving coil and lifting coil at least one CRDM, each coil at least one CRDM
A channel number is occupied, the parameter measurement unit measures the resistance data of each coil, insulation number according to institute's rheme identification instruction
According to, inductive data, quality factor and export the parameter measurements to the input-output unit.
Preferably, the parameter measurement unit includes：
Resistance and insulation measurement module, for measuring between the resistance data of each coil and each coil, each
The insulation data of coil over the ground；
Inductance and quality factor measurement module, for the inductive data for measuring each coil and the quality factor.
Preferably, the resistance measurement scope of the resistance and insulation measurement module is 1.000 Ω -50.000 Ω, and insulation is surveyed
The voltage class of amount is 500VDC.
Preferably, it is that at least 8 passages gather that the input-output unit, which gathers the parameter measurements, the integrated control
Unit processed at least controls the measurement of 4 aisle resistances and the measurement of 4 channel insulations, and the input-output unit is to the parameter measurements
The resistance conversion accuracy that progress signal is changed is milliohm level.
Preferably, the CRDM quantity is 4, and it is 12 passages that the input-output unit, which gathers the parameter measurements,
Collection, the integrated control unit control the measurement of 12 aisle resistances and the measurement of 12 channel insulations.
A kind of CRDM coil measurements method is also provided, following steps are carried out by above-mentioned CRDM coil measurements system：
S1. operation software sends measurement switching signal；
S2. input-output unit sends measurement instruction according to the measurement switching signal, and the measurement instruction is with channel number
For identification；
S3. integrate control unit and instruction is identified according to the measurement instruction carry-out bit, and it is anti-to the input-output unit
Present a trigger signal；
S4. parameter measurement unit measures the resistance data of each coil, insulation data, inductance according to institute's rheme identification instruction
Data, quality factor and output parameter measurement result are to the input-output unit；
S5. input-output unit parameter measurements according to the triggering collection of the trigger signal, and will
The parameter measurements carry out signal conversion, output measurement signals to the operation software；
S6. the operation software contrasts according to the measurement signals output data form and trend of reception.
Preferably, the parameter measurement unit connects clamping coil, the portable cord on 4 CRDM by 12 passages respectively
Circle and lifting coil, in the step S4, including：
The resistance data that the parameter measurement unit passes through each coil of 12 channel measurements；
The inductive data and quality factor that the parameter measurement unit passes through each coil of 12 channel measurements；
The parameter measurement unit measures 4 CRDM insulation data simultaneously.
Preferably, in the step S4, measurement exports the parameter measurements after starting 10s.
Preferably, in the step S5, at least 10s after the parameter measurement unit starts measurement, the input and output
Unit starts to gather the parameter measurements.
Preferably, in the step S4, the measurement range for measuring the resistance data is 1.000 Ω -50.000 Ω, measurement
The voltage class of the insulation data is 500VDC.
The beneficial effects of the practice of the present invention is：In the CRDM coil measurement system and methods of the present invention, pass through integrated control
The parameter measurement of unit control parameter measuring unit so that input-output unit acquisition parameter measurement result, can effectively improve existing
Reliability, the uniformity of field data, data distortion caused by human-equation error is avoided, shorten overhaul man-hour and human input.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the principle schematic of CRDM coil measurements system in some embodiments of the invention；
Fig. 2 is the module diagram of parameter measurement unit in Fig. 2；
Fig. 3 is the schematic flow sheet of CRDM coil measurements method in some embodiments of the invention.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now compares accompanying drawing and describe in detail
The embodiment of the present invention.
Fig. 1 shows the CRDM coil measurement systems in some embodiments of the invention, for by for CRDM resistance and
The measurement of insulation is all intelligent, is operated by computer software, trigger control circuit, so as to control front end measuring instrumentss to enter automatically
Row, which measures and measurement result is carried out into conversion, feeds back to computer, and generation form directly displays result.The CRDM coil measurement systems
The overhaul duration is greatly shortened, and improves the reliability and uniformity of data.CRDM coil measurements in some embodiments of the invention
System includes operation software 10, input-output unit 20, integrated control unit 30 and parameter measurement unit 40.
Wherein, it is interactive software to operate software 10, for providing operation interface, formulating data acquiring frequency and output
Rule simultaneously sends measurement switching signal, and is contrasted according to the measurement signals output data form and trend of reception.Specifically
Ground, clamping coil of the operation software 10 CRDM100, moving coil, lifting coil resistance measurement and each coil and each line
The insulation measurement of circle over the ground provides operation interface, data sheet, trend contrast etc..In addition, control downstream by operating software 10
The beginning and termination of equipment progress DATA REASONING simultaneously formulate data acquiring frequency and output rule.
Input-output unit 20 is connected with operation software 10, for being sent according to measurement switching signal using channel number as knowledge
Other measurement instruction.Specifically, input-output unit 20 receives the switching signal that sends of operation software 10 using channel number to identify,
Measurement instruction is sent to integrated control unit 30, that is, is clamped between coil, moving coil, lifting coil resistance measurement and each coil
With the insulation measurement of each coil over the ground.Input-output unit 20 is additionally operable to acquisition parameter measurement result, and by parameter measurement knot
Fruit carries out signal conversion, and output measurement signals realize multi collect in short-term and signal transformation function to software 10 is operated.Its
In, signal conversion includes the data that insulate being converted to the recognizable electric signal of operation software 10, and measurement signals include electricity
The physical quantity that resistance and insulation measurement module 41 and inductance and quality factor measurement module 42 measure.Input-output unit 20 is because of perception
The measuring characteristic of load resistance, inductance, should possess delay function and recognizable measurement stable region, and parameter measurements are entered
The resistance conversion accuracy of row signal conversion reaches milliohm level.Alternatively, the acquisition parameter measurement result of input-output unit 20 is
At least 8 passages gather.Preferably, the acquisition parameter measurement result of input-output unit 20 gathers for 12 passages.
Integrated control unit 30 is connected with input-output unit 20, is instructed for being identified according to measurement instruction carry-out bit,
And a trigger signal is fed back to input-output unit 20, so as to trigger the acquisition parameter measurement result of input-output unit 20.It is integrated
Control unit 30 is additionally operable to the time of measuring of control parameter measuring unit 40 and the acquisition time of input-output unit 20.Specifically
Ground, after the measurement switching signal of parameter measurement is assigned in operating software 10, control unit 30 is integrated according to input-output unit
The identification instruction of 20 carry-out bits, and clamping coil, moving coil, the characterisitic parameter for lifting coil can be measured successively, while to input
Output unit 20 feeds back the signal of " measurement starts " so as to trigger the signal acquisition of input-output unit 20.Alternatively, integrate
Control unit 30 at least controls the measurement of 4 aisle resistances and the measurement of 4 channel insulations.Preferably, it is logical to integrate the control of control unit 30 12
Road resistance measurement and the measurement of 12 channel insulations.
Parameter measurement unit 40 is connected with integrated control unit 30 and input-output unit 20, and is connected by rack joint
Clamping coil, moving coil and the lifting coil at least one CRDM100 are connect, each coil accounts at least one CRDM100
According to a channel number, CRDM100 quantity is preferably 4.Parameter measurement unit 40 identifies that instruction measures the electricity of each coil according to position
Data, insulation data, inductive data, quality factor and output parameter measurement result are hindered to input-output unit 20.Preferably, join
Number measuring unit 40 utilizes circuit trigger-type leading portion instrument or circuit.With reference to shown in Fig. 2, parameter measurement unit 40 include resistance and
Insulation measurement module 41 and inductance and quality factor measurement module 42, resistance and insulation measurement module 41 are used to measure each coil
Resistance data and each coil between, the insulation data of each coil over the ground.Specifically, resistance and insulation measurement module 41 are logical
Resistance, insulation measurement plate/module or the ripe instrument being adapted to is crossed to realize after being connected with rack joint to CRDM100 coils
Carry out resistance and the measurement of insulation.Preferably, the resistance measurement scope of resistance and insulation measurement module 41 be 1.000 Ω-
50.000 Ω, its measurement accuracy need to reach milliohm rank.It should be noted that CRDM coils are also with about in the present embodiment
250mH inductance, resistance and insulation measurement module 41 meet the scope of resistance measurement, required precision, inductance characteristic situation
Under, normal measurement can be achieved.And measured for inductive load, insulation measurement can realize 500VDC voltage class.Inductance and product
Prime factor measurement module 42 is used for the inductive data and quality factor for measuring each coil.It should be noted that insulation measurement is advised
It is then four groups of SG/MG/LC while measures, but the isolation of resistance and insulation measurement module 41, input-output unit 20 etc. need to be considered
Measure, and the output result after 10s, this 10s must be adjustable, it is impossible to be fixed within hardware.Resistance and insulation are surveyed
The metering system for measuring module 41 is also to switch, you can four groups of SG/MG/LC are measured and a machine simultaneously in a rack
Four groups of SG/MG/LC switch between measuring respectively in cabinet.In certain embodiments, need to also in resistance and insulation measurement module 41 and
Increase quarantine measures in the grade correlation unit of input-output unit 20, for example, respectively in resistance and insulation measurement module 41 and input
Isolation module is set respectively in output unit 20, or shares an isolated location.
CRDM coil measurements system in some embodiments of the invention can avoid people's data caused by problem from slipping up, significantly
Shorten the maintenance duration, reduce human input, add the uniformity of data, authentic data source is provided for the Trend judgement of data.
Further, the duration can be shorten to 3 people/2 hour by original 6 people/5 hour, can improve operating efficiency and for processing scene it is different
Often enough time is reserved.
Below in conjunction with CRDM coil measurement methods in Fig. 1-3 and some embodiments of the invention in some embodiments of the invention
The operation principle of CRDM coil measurement systems illustrates.CRDM coil measurements method is used for electricity in some embodiments of the invention
The measurement of resistance and insulation is all intelligent, is operated by computer software, trigger control circuit, so as to control front end measuring instrumentss certainly
Move to measure and measurement result is carried out into conversion and feed back to computer, generation form directly displays result.The CRDM coil measurements
Method greatly shortens the overhaul duration, and improves the reliability and uniformity of data.This method passes through the CRDM in above-described embodiment
Coil measurement system carries out following steps.
S1. operation software 10 sends measurement switching signal.In this step, operation software 10 is interactive software, is used for
Operation interface is provided, formulates data acquiring frequency with exporting rule and sending measurement switching signal.Also, by operating software
The beginning and termination of 10 control upstream devices progress DATA REASONINGs simultaneously formulate data acquiring frequency and output rule.
S2. input-output unit 20 sends measurement instruction according to measurement switching signal, and measurement instruction is using channel number as identification.
Specifically, the switching signal that the reception of input-output unit 20 operation software 10 is sent is using channel number as identification, to integrated control list
Member 30 sends measurement instruction, that is, clamp between coil, moving coil, lifting coil resistance measurement and each coil and each coil over the ground
Insulation measurement.
S3. integrate control unit 30 and instruction is identified according to measurement instruction carry-out bit, and one is fed back to input-output unit 20
Trigger signal.Specifically, after the measurement switching signal of parameter measurement is assigned in operating software 10, the basis of control unit 30 is integrated
The identification instruction of the carry-out bit of input-output unit 20, and clamping coil, moving coil, the characteristic ginseng for lifting coil can be measured successively
Number, while the signal of " measurement starts " is fed back so as to trigger the signal acquisition of input-output unit 20 to input-output unit 20.
Alternatively, integrate control unit 30 and at least control the measurement of 4 aisle resistances and the measurement of 4 channel insulations.Preferably, it is single to integrate control
Member 30 controls the measurement of 12 aisle resistances and the measurement of 12 channel insulations.
S4. parameter measurement unit 40 identifies that instruction measures the resistance data of each coil, insulation data, inductance number according to position
According to, quality factor and output parameter measurement result to input-output unit 20.The measurement range of measurement resistance data is herein
1.000 Ω -50.000 Ω, the voltage class of insulation measurement is 500VDC.Preferably, parameter measurement unit 40 passes through 12 passages
Clamping coil, moving coil and the lifting coil on 4 CRDM100 are connected respectively.Also include in this step S4：Parameter measurement list
The resistance data that member 40 passes through 12 each coils of channel measurement；Parameter measurement unit 40 passes through 12 each coils of channel measurement
Inductive data and quality factor；Parameter measurement unit 40 measures 4 CRDM insulation data simultaneously.Preferably, measurement starts
Output parameter measurement result after 10s.
S5. input-output unit 20 is according to the triggering collection parameter measurements of trigger signal, and by parameter measurement knot
Fruit carries out signal conversion, output measurement signals to operation software 10.In this step, input-output unit 20 can be realized in short-term
Multi collect and signal transformation function.Wherein, measurement signals include resistance and insulation measurement module 41 and inductance and quality
The physical quantity that factor measurement module 42 measures.Input-output unit 20 should possess because of Inductive Load Resistance, the measuring characteristic of inductance
Delay function and recognizable measurement stable region, and the resistance conversion accuracy that parameter measurements are carried out with signal conversion reaches milli
Europe level.Alternatively, the acquisition parameter measurement result of input-output unit 20 is the collection of at least 8 passages.Preferably, input and output list
First 20 acquisition parameter measurement results gather for 12 passages.Preferably, at least 10s after parameter measurement unit 40 starts measurement, it is defeated
Enter output unit 20 and start acquisition parameter measurement result.It should be noted that insulation measurement rule be four groups of SG/MG/LC simultaneously
Measurement, but the quarantine measures of resistance and insulation measurement module 41, input-output unit 20 etc. need to be considered, and exported after 10s
As a result, this 10s must be adjustable, it is impossible to be fixed within hardware.The metering system of resistance and insulation measurement module 41
It is able to must switch, you can four groups of clamping coils, moving coil and the measurement and one simultaneously of lifting coil in a rack
Four groups of clamping coils, moving coil and lifting coil switch between measuring respectively in individual rack.
S6. software 10 is operated to be contrasted according to the measurement signals output data form and trend of reception.Specifically, operate
Clamping coil of the software 10 CRDM100, moving coil, lifting coil resistance measurement and each coil and each coil over the ground
Insulation measurement provides operation interface, data sheet, trend contrast etc..Alternatively, the data sheet of output and trend contrast can
Embodied in the form of by form, picture etc., as long as specific data and the trend situation of measurement result can be shown.It is preferred that
Ground, the 10s after operation software 10 sends measurement switching signal, operation software 10 start to receive measurement signals.10s herein
Must be adjustable according to on-site actual situations.
In the present embodiment in the other parts of CRDM coil measurements method and above-described embodiment in CRDM coil measurement systems
Identical, here is omitted.CRDM coil measurements method in some embodiments of the invention can avoid people's number caused by problem
According to slipping up, greatly shortening maintenance duration, reduction human input, the uniformity of data is added, is provided for the Trend judgement of data
Authentic data source.Further, the duration can be shorten to 3 people/2 hour by original 6 people/5 hour, operating efficiency can be improved and be
Processing scene is abnormal to have reserved enough time.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. CRDM coil measurements system, it is characterised in that including：Software (10) is operated, for providing operation interface, formulating data acquiring frequency with exporting rule and sending measurement switch letter Number, and contrasted according to the measurement signals output data form and trend of reception；Input-output unit (20), with it is described operation software (10) be connected, for according to it is described measurement switching signal send with Channel number is the measurement instruction of identification, and acquisition parameter measurement result, and the parameter measurements are carried out into signal conversion, The measurement signals are exported to the operation software (10), wherein, the signal conversion includes being converted to insulation data The recognizable electric signal of the operation software (10)；Integrated control unit (30), is connected with the input-output unit (20), for according to the measurement instruction carry-out bit Identification instruction, and a trigger signal is fed back to the input-output unit (20), so as to trigger the input-output unit (20) The parameter measurements are gathered, the integrated control unit (30) is additionally operable to the time of measuring of control parameter measuring unit (40) With the acquisition time of the input-output unit (20)；The parameter measurement unit (40), is connected with the integrated control unit (30) and the input-output unit (20), And the clamping coil at least one CRDM (100), moving coil and lifting coil, at least one institute are connected by rack joint State each coil on CRDM (100) and occupy a channel number, the parameter measurement unit (40) is according to institute's rheme identification instruction measurement The resistance data of each coil, data, inductive data, the quality factor of insulating simultaneously export the parameter measurements to the input Output unit (20).
- 2. system according to claim 1, it is characterised in that the parameter measurement unit (40) includes：Resistance and insulation measurement module (41), for measuring between the resistance data of each coil and each coil, each The insulation data of coil over the ground；Inductance and quality factor measurement module (42), for the inductive data for measuring each coil and the quality factor.
- 3. system according to claim 2, it is characterised in that the resistance measurement of the resistance and insulation measurement module (41) Scope is 1.000 Ω -50.000 Ω, and the voltage class of insulation measurement is 500VDC.
- 4. according to the system described in claim any one of 1-3, it is characterised in that described in input-output unit (20) collection Parameter measurements are the collection of at least 8 passages, and the integrated control unit (30) at least controls the measurement of 4 aisle resistances and 4 passages Insulation measurement, the resistance conversion accuracy that the input-output unit (20) carries out signal conversion to the parameter measurements are milli Europe level.
- 5. system according to claim 4, it is characterised in that CRDM (100) quantity is 4, the input and output Unit (20) gathers the parameter measurements and gathered for 12 passages, and the integrated control unit (30) controls 12 aisle resistances to survey Amount and the measurement of 12 channel insulations.
- A kind of 6. CRDM coil measurements method, it is characterised in that pass through the CRDM coil measurements described in claim any one of 1-5 System carries out following steps：S1. operate software (10) and send measurement switching signal；S2. input-output unit (20) sends measurement instruction according to the measurement switching signal, and the measurement instruction is with channel number For identification；S3. integrate control unit (30) and identified according to the measurement instruction carry-out bit and instructed, and to the input-output unit (20) trigger signal is fed back；S4. parameter measurement unit (40) measures the resistance data of each coil, insulation data, inductance according to institute's rheme identification instruction Data, quality factor and output parameter measurement result are to the input-output unit (20)；S5. input-output unit (20) parameter measurements according to the triggering collection of the trigger signal, and will The parameter measurements carry out signal conversion, output measurement signals to the operation software (10)；S6. the operation software (10) contrasts according to the measurement signals output data form and trend of reception.
- 7. according to the method for claim 6, it is characterised in that the parameter measurement unit (40) is distinguished by 12 passages Connect the clamping coil on 4 CRDM (100), moving coil and lift coil, in the step S4, including：The resistance data that the parameter measurement unit (40) passes through each coil of 12 channel measurements；The inductive data and quality factor that the parameter measurement unit (40) passes through each coil of 12 channel measurements；The parameter measurement unit (40) while the insulation data for measuring 4 CRDM (100).
- 8. according to the method for claim 7, it is characterised in that in the step S4, measurement exports the ginseng after starting 10s Number measurement result.
- 9. according to the method for claim 7, it is characterised in that in the step S5, in the parameter measurement unit (40) Start at least 10s after measuring, the input-output unit (20) starts to gather the parameter measurements.
- 10. according to the method described in claim any one of 6-9, it is characterised in that in the step S4, measure the resistance number According to measurement range be 1.000 Ω -50.000 Ω, measure it is described insulation data voltage class be 500VDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522171.4A CN107507656B (en) | 2017-06-30 | 2017-06-30 | CRDM coil measurement system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710522171.4A CN107507656B (en) | 2017-06-30 | 2017-06-30 | CRDM coil measurement system and method |
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| CN107507656A true CN107507656A (en) | 2017-12-22 |
| CN107507656B CN107507656B (en) | 2019-06-04 |
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| CN201710522171.4A Active CN107507656B (en) | 2017-06-30 | 2017-06-30 | CRDM coil measurement system and method |
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| CN108646084A (en) * | 2018-05-11 | 2018-10-12 | 中国核动力研究设计院 | The method for monitoring the oscillation of reactor control rod driving mechanism coil current rising edge |
| CN108872706A (en) * | 2017-05-09 | 2018-11-23 | 上海东缘机电设备有限公司 | The insulation of nuclear power station driving mechanism and direct resistance metering instrument |
| CN109994232A (en) * | 2019-03-21 | 2019-07-09 | 辽宁红沿河核电有限公司 | A kind of microphone signal transmission control unit on reactor control rod driving mechanism |
| CN110570958A (en) * | 2019-08-28 | 2019-12-13 | 中广核研究院有限公司 | Method for monitoring hook action of control rod driving mechanism of nuclear power station and electronic equipment |
| CN113406391A (en) * | 2021-05-21 | 2021-09-17 | 中国铁路北京局集团有限公司北京车辆段 | Electrical performance test bed and test method for passenger car air conditioning unit |
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| CN113406391A (en) * | 2021-05-21 | 2021-09-17 | 中国铁路北京局集团有限公司北京车辆段 | Electrical performance test bed and test method for passenger car air conditioning unit |
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