CN109459490A - A kind of laboratory reservoir pressure container quantitative analysis of pile defects device - Google Patents
A kind of laboratory reservoir pressure container quantitative analysis of pile defects device Download PDFInfo
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- CN109459490A CN109459490A CN201811650019.5A CN201811650019A CN109459490A CN 109459490 A CN109459490 A CN 109459490A CN 201811650019 A CN201811650019 A CN 201811650019A CN 109459490 A CN109459490 A CN 109459490A
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- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/85—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using magnetographic methods
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Abstract
The invention belongs to pressure vessel safety analysis technical fields, disclose a kind of laboratory reservoir pressure container quantitative analysis of pile defects device, metal magnetic memory test unit realizes the quantization of defect for detecting inservice pressure vessel defect, including crackle, pit, slag inclusion, stomata, undercut；A/D converting unit shows the numerical value that metal magnetic memory test unit detects on charactron；Main control module is used to carry out inservice pressure vessel the fracture analysis of planar disfigurement；Fuzzy Analysis unit makes comprehensive safety analysis；GPRS transmission unit is sent to monitor terminal to timing, the real-time radio teletransmission of field data.The present invention establishes comprehensive analysis and judgement tables of data, according to each Failure Factors on the damage ratio of pressure vessel and its damage ratio total on the weight calculation of pressure vessel safety influence, specifies connecting each other for each influence, makes comprehensive safety analysis；Enable to reflect engineering reality with analyzing result more objective reality.
Description
Technical field
The invention belongs to pressure vessel safety analysis technical fields more particularly to a kind of laboratory reservoir pressure container to lack
Fall into quantitative analysis device.
Background technique
Pressure vessel is a kind of extraordinary bearing device with explosion danger, has high temperature, high pressure, inflammable, explosive, technique
The features such as complicated, once explosion or leakage occurs, consequence be it is extremely heavy, therefore, the security reliability of pressure vessel is analyzed
Just it is particularly important.It is compared with other methods, realizes quantifying defects with Magnetic memory testing, then thus pressure vessel is carried out
Comprehensive safety analysis has salient feature: for Magnetic memory testing first as a kind of emerging nondestructiving detecting means, detection is complete
Face, careful, whether easy to operate, labor intensity is small not by runing and influenced, the result obtained is accurate, is suitble to on-site test；Its
It is secondary that its safety problem is analyzed and analyzed using inservice pressure vessel Safety index system, hold that analyst to in-service pressure
The positioning of device safety comprehensive analysis rises to scientific analysis by experience, conducive to reasonable measurement or the peace of analysis inservice pressure vessel
Entirely, finally the omen that failure occurs can be analyzed and found, especially with the variation tendency of dynamic monitoring inservice pressure vessel disaster
Relevance and its secondary disaster caused between various disasters.Therefore, the comprehensive peace based on Magnetic memory testing quantifying defects
Complete analysis will become the important means of later pressure vessel safety fail-safe analysis with its salient feature, and with other points
The irreplaceable advantage of analysis method.
During the safety analysis of inservice pressure vessel, the factor for influencing its security performance is various, some factors
Be able to achieve quantification, and some factors can only qualitative analysis, there is correlation again between each factor, and influence in-service pressure and hold
Principal element, that is, defect of device safety, detection process is sufficiently complex, and quantized result is not again accurate, these situations are divided safely to its
Analysis brings very big difficulty and doubt.
In conclusion problem of the existing technology is:
Current inservice pressure vessel safety analysis mostly uses the mode of single angle analysis, obtains from theoretical side in-service
Pressure vessel whether can trouble free service conclusion, and cannot solve the problems, such as its safe coefficient based on various factors.Specific point
It analyses as follows: the detection of defect, quantization inaccuracy；By the way of single angle analysis, excessive dependence or field data cannot be comprehensive
All principal elements of analyzing influence inservice pressure vessel safety are closed, and clearly each influence connects each other, with actual conditions
It is not inconsistent；The result of analysis only theoretically obtain whether can trouble free service conclusion, not can solve safe coefficient problem, less
Dynamic monitors the variation tendency of disaster, finds disaster so as to more preferable, more accurately timely, accomplishes to prevent in advance.Problem above
Safety analysis result will be made undesirable, result is often: the notional result of analysis is actually pressed also in security clearance
Force container is no longer valid, cannot use.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of laboratory reservoir pressure container quantitative analysis of pile defects device, purport
The inservice pressure vessel defects detection existing for the existing analysis method of solution is difficult, testing result is inaccurate, is unable to dynamic monitoring
The problem of variation tendency, the analytic process of disaster are complicated and analysis result is not consistent with reality.
The embodiments of the present invention are implemented as follows, a kind of laboratory reservoir pressure container quantitative analysis of pile defects device packet
It includes:
Metal magnetic memory test unit is connect with A/D converting unit, for detecting inservice pressure vessel defect, including is split
The quantization of defect is realized in line, pit, slag inclusion, stomata, undercut；
A/D converting unit shows the numerical value that metal magnetic memory test unit detects on charactron；
Main control module is connect with GPRS transmission unit, for inservice pressure vessel carry out planar disfigurement fracture analysis,
The analysis of fatigue of planar disfigurement, gas hole defect intensive analysis, gas hole defect analysis of fatigue, dreg defect intensive analysis, slag inclusion lack
Analysis of fatigue, pit defect intensive analysis and undercut defect analysis of fatigue are fallen into, and calculates and is damaged caused by inservice pressure vessel；
Obtain maximum pressure, final crack length, final crack depth that inservice pressure vessel can bear, the residual compression that can be born,
The technical indicator of remanent fatigue life and corresponding safe score；
Fuzzy Analysis unit, connect with single-chip microcontroller, and quantification is combined with qualitative analysis, and incorporation engineering is practical to be established
Analytic set establishes comprehensive analysis and judgement tables of data, according to each Failure Factors to the damage ratio of pressure vessel and to pressure vessel
The total damage ratio of the weight calculation of security implication is abandoned by the way of single angle analysis, excessively dependence or field data, comprehensive
All principal elements of analyzing influence inservice pressure vessel safety are closed, and clearly each influence connects each other, makes comprehensive
Safety analysis；
GPRS transmission unit, connect with monitor terminal, is sent to prison for timing, the real-time radio teletransmission to field data
Control terminal；
Monitor terminal stores information, managed and is further processed, and carries out comprehensive peace to inservice pressure vessel
Complete analysis monitoring.
Further, the laboratory reservoir pressure container quantitative analysis of pile defects device further comprises:
Power module, with metal magnetic memory test unit, A/D converting unit, main control module, Fuzzy Analysis unit,
GPRS transmission unit, monitor terminal connection, for providing the energy.
Further, metal magnetic memory test unit includes:
Multiple first sensors of parallel arrangement, for detecting；
Second sensor, for compensating background magnetic field.
Further, in metal magnetic memory test unit detection inservice pressure vessel defect,
According to fatigue crack growth rate and crack tip stress intensity factor amplitude of variation, determine in the defined circulating cycle
The propagation and final size of fatigue crack in phase；Judge whether the planar disfigurement can occur further according to given criterion
Leakage and fatigue fracture, in addition to the planar disfigurement of defined, crackle, do not merge, be lack of penetration, depth is more than or equal to 1mm-2mm
Undercut.
Further, Fuzzy Analysis unit includes:
Set of factors module, for utilizing the various parameters compositing factor set for influencing inservice pressure vessel；
Analytic set module, for each analysis indexes carry out quantitative analysis it needs to be determined that each index analytic set, using 5 grades
Analytic set is divided 5 analytical grades by hundred-mark system analysis, including inservice pressure vessel multifactor failure risk is minimum, risk
Very little, risk are small, risk is larger, risk is big；
Weight sets module is wrapped problem according to inservice pressure vessel analytical factor collection, that is, analysis indexes system of foundation
It is the general objective layer of analysis, rule layer, indicator layer that each factor contained, which is divided into first layer,；
Comprehensive Evaluation result table module, have Fuzzy Analysis further according to analytical grade as a result, provides, analyzes in-service pressure
Force container multifactor failure risk size.
Further, A/D converting unit shows the numerical value for the metal magnetic memory test unit detection that channel 1 is upsampled to
In LED charactrons, by changing the input information change in channel 1, display output reading；A/D converting unit specifically includes:
It is made of AT89S52 single board computer, ADC0832, resistance, capacitor, charactron, crystal oscillator, triode, single-chip microcontroller minimum system
System, P0 mouth of single-chip microcontroller, which runs in, to be hindered 200K and is connected with four charactrons, and charactron connects electricity by triode using common anode charactron
Source, triode are connected with P2.0, P2.1, P2.2, P2.3 of single-chip microcontroller mouth respectively by the resistance of 1K, the VCC of ADC0832 and
P3.4 is connected, and CH0 is connected by slide rheostat with power supply and ground connection, and D0 is connect with D1 is connected to the port P3.5 jointly.
Further, main control module connects power module using single-chip microcontroller (AT89S52), EA, VCC, and XTAL1 and XTAL2 are indirect
12MHZ crystal oscillator, XTAL1 and XTAL2 pass through 30pF capacity earth respectively, and RST connects power supply by 220uF capacitor, and RST passes through 10K
Resistance eutral grounding, P2.6 mouthfuls connect triode by 10K resistance, and triode connects power supply by buzzer.
Further, GPRS transmission unit is connect using serial ports with monitor terminal；Using multichannel buffered serial port McBSP and increasing
Strong type memory realizes Asynchronous Serial Interface UART；Wherein, DR is connected with FSR, and the level jump on data line is accessed FSR
End, when FSR detects first failing edge of data line previous frame, McBSP thinks frame synchronizing signal；DM642 digital signal
The input terminal of processor；
GPRS transmission unit further passes through relay and is controlled, and regularly sends data.
In conclusion advantages of the present invention and good effect are as follows:
Laboratory reservoir pressure container quantitative analysis of pile defects device provided by the invention, using magnetic memory detecting method,
Detect inservice pressure vessel defect, comprising: crackle, pit, slag inclusion, stomata, undercut use the calculation formula with degree of precision
The quantization of defect is realized, to keep the result detected more acurrate, true, reliable；Using Magnetic Memory testing result to
It uses as a servant pressure vessel and carries out the fracture analysis of planar disfigurement, the analysis of fatigue of planar disfigurement, gas hole defect intensive analysis, gas hole defect
Analysis of fatigue, dreg defect intensive analysis, dreg defect analysis of fatigue, pit defect intensive analysis and undercut defect fatigue point
Analysis, and calculate and damaged caused by inservice pressure vessel；Maximum pressure, the final crackle for showing that inservice pressure vessel can be born are long
The technical indicators such as degree, final crack depth, the residual compression that can be born, remanent fatigue life and corresponding safe score, overcome
It is unable to the difficulty of dynamic detection disaster trend, more preferable, more accurately timely disaster can be found, accomplish to prevent in advance；Using fuzzy
Integerated analytic unit, quantification are combined with qualitative analysis, and incorporation engineering is practical to establish analytic set, establish comprehensive analysis and judgement number
According to table, according to each Failure Factors on the damage ratio of pressure vessel and its damage total on the weight calculation of pressure vessel safety influence
Hurt rate, abandon by the way of single angle analysis, excessively dependence or field data, comprehensive analysis influences inservice pressure vessel peace
All principal elements of full property, and clearly each influence connects each other, makes comprehensive safety analysis on this basis；It can not only
Correctly obtain whether can trouble free service conclusion, moreover it is possible to solve the problems, such as safe coefficient；Simplified analysis process eliminates the master of analysis
Randomness is seen, it is practical to be applied to engineering convenient for common engineers and technicians.High reliablity of the invention, operability are good, make
Analysis result can reflect to more objective reality engineering reality.
GPRS of the present invention this technology while can take at any time and any place quickly and easily with network connection
It is reasonable with comparing again.Its speed is 10 times of GSM, transmission large capacity that can be stable, high quality information.It ensure that the present invention
The real-time requirement of information；GPRS application range of the invention has popularity, can be applied to other field.
The present invention is based on ADC0832 analog-digital converters can quickly and efficiently design conversion circuit, design side
Just, workload fast, is significantly reduced.The present invention can fast and effeciently designing system, and complete paired systems using single-chip microcontroller
Optimization design, parameter can be changed at any time in the design process, with reach system design optimization.
Detailed description of the invention
Fig. 1 is laboratory reservoir pressure container quantitative analysis of pile defects schematic device provided in an embodiment of the present invention；
Fig. 2 is A/D converting unit schematic diagram provided in an embodiment of the present invention.
Fig. 3 is main control module schematic diagram provided in an embodiment of the present invention.
Fig. 4 is GPRS transmission unit schematic diagram provided in an embodiment of the present invention.
In figure: 1, metal magnetic memory test unit；2, A/D converting unit；3, main control module；4, Fuzzy Analysis list
Member；5, GPRS transmission unit；6, monitor terminal；7, power module.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is described in detail with reference to the accompanying drawing.
As Figure 1-Figure 4, laboratory reservoir pressure container quantitative analysis of pile defects device provided in an embodiment of the present invention
Include:
Metal magnetic memory test unit 1 is connect with A/D converting unit, for detecting inservice pressure vessel defect, including is split
The quantization of defect is realized in line, pit, slag inclusion, stomata, undercut；
A/D converting unit 2 shows the numerical value that metal magnetic memory test unit detects on charactron；
Main control module 3 is connect with GPRS transmission unit, for carrying out the fracture point of planar disfigurement to inservice pressure vessel
Analysis, the analysis of fatigue of planar disfigurement, gas hole defect intensive analysis, gas hole defect analysis of fatigue, dreg defect intensive analysis, slag inclusion
Defect analysis of fatigue, pit defect intensive analysis and undercut defect analysis of fatigue, and calculate and damaged caused by inservice pressure vessel
Wound；Obtain maximum pressure, final crack length, final crack depth, the remaining pressure that can be born that inservice pressure vessel can be born
The technical indicator of power, remanent fatigue life and corresponding safe score；
Fuzzy Analysis unit 4, connect with single-chip microcontroller, and quantification is combined with qualitative analysis, and incorporation engineering is practical to be built
Vertical analytic set, establishes comprehensive analysis and judgement tables of data, according to each Failure Factors to the damage ratio of pressure vessel and to pressure appearance
The total damage ratio of the weight calculation of device security implication is abandoned by the way of single angle analysis, excessively dependence or field data,
Comprehensive analysis influences all principal elements of inservice pressure vessel safety, and clearly each influence connects each other, makes synthesis
Property safety analysis；
GPRS transmission unit 5, connect with monitor terminal, is sent to for timing, the real-time radio teletransmission to field data
Monitor terminal；
Monitor terminal 6 stores information, managed and is further processed, and carries out to inservice pressure vessel comprehensive
Safety analysis monitoring.
As the preferred embodiment of the present invention, laboratory reservoir pressure container quantitative analysis of pile defects device further comprises:
Power module 7, with metal magnetic memory test unit, A/D converting unit, main control module, Fuzzy Analysis unit,
GPRS transmission unit, monitor terminal connection, for providing the energy.
As the preferred embodiment of the present invention, metal magnetic memory test unit 1 includes:
Multiple first sensors of parallel arrangement, for detecting；
Second sensor, for compensating background magnetic field.
As the preferred embodiment of the present invention, metal magnetic memory test unit is detected in inservice pressure vessel defect, according to tired
Labor crack growth rate and crack tip stress intensity factor amplitude of variation determine the fatigue crack in defined cycle period
Propagation and final size；Judge whether the planar disfigurement can occur leakage and fatigue is disconnected further according to given criterion
It splits, in addition to the planar disfigurement of defined, crackle does not merge, is lack of penetration, undercut of the depth more than or equal to 1mm-2mm.
As the preferred embodiment of the present invention, Fuzzy Analysis unit 4 includes:
Set of factors module, for utilizing the various parameters compositing factor set for influencing inservice pressure vessel；
Analytic set module, for each analysis indexes carry out quantitative analysis it needs to be determined that each index analytic set, using 5 grades
Analytic set is divided 5 analytical grades by hundred-mark system analysis, including inservice pressure vessel multifactor failure risk is minimum, risk
Very little, risk are small, risk is larger, risk is big；
Weight sets module is wrapped problem according to inservice pressure vessel analytical factor collection, that is, analysis indexes system of foundation
It is the general objective layer of analysis, rule layer, indicator layer that each factor contained, which is divided into first layer,；
Comprehensive Evaluation result table module, have Fuzzy Analysis further according to analytical grade as a result, provides, analyzes in-service pressure
Force container multifactor failure risk size.
As the preferred embodiment of the present invention, metal magnetic memory test unit that channel 1 is upsampled to by A/D converting unit 2
The numerical value of detection is shown in LED charactrons, by changing the input information change in channel 1, display output reading；A/D conversion
Unit specifically includes:
It is made of AT89S52 single board computer, ADC0832, resistance, capacitor, charactron, crystal oscillator, triode, single-chip microcontroller minimum system
System, P0 mouth of single-chip microcontroller, which runs in, to be hindered 200K and is connected with four charactrons, and charactron connects electricity by triode using common anode charactron
Source, triode are connected with P2.0, P2.1, P2.2, P2.3 of single-chip microcontroller mouth respectively by the resistance of 1K, the VCC of ADC0832 and
P3.4 is connected, and CH0 is connected by slide rheostat with power supply and ground connection, and D0 is connect with D1 is connected to the port P3.5 jointly.
In embodiments of the present invention, main control module 1, using single-chip microcontroller (AT89S52), EA, VCC meet power module, XTAL1
With the indirect 12MHZ crystal oscillator of XTAL2, XTAL1 and XTAL2 pass through 30pF capacity earth respectively, and RST connects power supply by 220uF capacitor,
RST is by 10K resistance eutral grounding, and P2.6 mouthfuls connect triode by 10K resistance, and triode connects power supply by buzzer.
In embodiments of the present invention, GPRS transmission unit 5 is connect using serial ports with monitor terminal；Using multichannel buffer string
Mouthful McBSP and enhanced memory realize Asynchronous Serial Interface UART；Wherein, DR is connected with FSR, by the level on data line
The jump access end FSR, when FSR detects first failing edge of data line previous frame, McBSP thinks frame synchronizing signal；
The input terminal of DM642 digital signal processor；
GPRS transmission unit further passes through relay and is controlled, and regularly sends data.
Below with reference to each member principle, the present invention will be further described.
1, the detection of defect:
Comprehensive detection, detection step are carried out to inservice pressure vessel using by TSC-2M-8 type metal magnetic memory test unit
Suddenly it is strictly carried out according to TSC-2M-8 operational manual, " Magnetic Memory-system " software is installed on computers, testing result
The software is imported, using channel compensation background magnetic field suppressing method, the 1-3 sensor of parallel arrangement is for detecting, No. 4 sensings
Device is for compensating background magnetic field.Technical device performance parameter is shown in Table 1, and parameter remains unchanged during test.
1 TSC-2M-8 type metal magnetic memory test monotechnics performance parameter of table
2, the characterization of defect:
To through examining the defect found out, carried out according to physical location shape and size by the regulation of the characterization of planar disfigurement scarce
Sunken regularization, and obtain characterizing crack size a, c accordingly.
When carrying out safety analysis, the processing of regularization characterization is carried out by planar disfigurement of the following provisions to actual measurement, by defect table
Sign is the crack surfaces defect of regularization, buries crackle and penetrate defect.The shape of crackle after characterization is ellipse, it is round or
Rectangle.Characterization crack size should be determined according to specific defect situation by the height of defect boundary rectangle and length.It is long to penetrated crack
For 2a；To face crack, a height of a, a length of 2c；To burying crackle, a height of 2a, a length of 2c；It is a height of a, a length of to corner crack at hole
c.The long side of defect boundary rectangle should be parallel with neighbouring surface of shell.
When crack planes direction and firmly stress direction out of plumb, crackle can be projected to vertical with principal direction of stress put down
In face, characterization crack size is determined by projection size in the plane.
3, the analysis of fatigue of planar disfigurement
The propagation and final size of fatigue crack in defined cycle period；Then according to given differentiation item
Part, to judge whether the planar disfigurement can occur leakage and fatigue fracture.(such as crackle does not melt in addition to the planar disfigurement of defined
Closing, lack of penetration, depth is more than or equal to the undercut of 1mm) inner defect that is difficult to clearly be divided into non-flat planar defect also should be by plane
Defect is analyzed.By to mischief rule, the size of analysis of fatigue initial crack is determined.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of laboratory reservoir pressure container quantitative analysis of pile defects device, which is characterized in that the laboratory gas tank pressure
Force container quantitative analysis of pile defects device includes:
Metal magnetic memory test unit is connect with A/D converting unit, for detecting inservice pressure vessel defect, including it is crackle, recessed
The quantization of defect is realized in hole, slag inclusion, stomata, undercut；
A/D converting unit shows the numerical value that metal magnetic memory test unit detects on charactron；
Main control module is connect with GPRS transmission unit, for carrying out fracture analysis, the plane of planar disfigurement to inservice pressure vessel
The analysis of fatigue of defect, gas hole defect intensive analysis, gas hole defect analysis of fatigue, dreg defect intensive analysis, dreg defect are tired
Labor analysis, pit defect intensive analysis and undercut defect analysis of fatigue, and calculate and damaged caused by inservice pressure vessel；It obtains
Maximum pressure that inservice pressure vessel can be born, final crack length, final crack depth, the residual compression that can be born, residue
The technical indicator of fatigue life and corresponding safe score；
Fuzzy Analysis unit, connect with single-chip microcontroller, and quantification is combined with qualitative analysis, the practical foundation analysis of incorporation engineering
Collection, establishes comprehensive analysis and judgement tables of data, according to each Failure Factors to the damage ratio of pressure vessel and to pressure vessel safety
The total damage ratio of the weight calculation of influence is abandoned by the way of single angle analysis, excessively dependence or field data, and comprehensive point
Analysis influences all principal elements of inservice pressure vessel safety, and clearly each influence connects each other, makes comprehensive safety
Analysis；
GPRS transmission unit, connect with monitor terminal, is sent to monitoring eventually for timing, the real-time radio teletransmission to field data
End；
Monitor terminal stores information, managed and is further processed, and carries out comprehensive safety point to inservice pressure vessel
Analysis monitoring.
2. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that the reality
Testing room reservoir pressure container quantitative analysis of pile defects device further comprises:
Power module, with metal magnetic memory test unit, A/D converting unit, main control module, Fuzzy Analysis unit, GPRS
Transmission unit, monitor terminal connection, for providing the energy.
3. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that metallic magnetic
Remembering detection unit includes:
Multiple first sensors of parallel arrangement, for detecting；
Second sensor, for compensating background magnetic field.
4. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that metallic magnetic
Remember in detection unit detection inservice pressure vessel defect,
According to fatigue crack growth rate and crack tip stress intensity factor amplitude of variation, determine in defined cycle period
The propagation and final size of fatigue crack；Judge whether the planar disfigurement can leak further according to given criterion
And fatigue fracture, in addition to the planar disfigurement of defined, crackle does not merge, is lack of penetration, undercut of the depth more than or equal to 1mm-2mm.
5. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that obscure comprehensive
Closing analytical unit includes:
Set of factors module, for utilizing the various parameters compositing factor set for influencing inservice pressure vessel；
Analytic set module, for each analysis indexes carry out quantitative analysis it needs to be determined that each index analytic set, using 5 grades of percentages
System analysis analytic set divide 5 analytical grades, including inservice pressure vessel multifactor failure risk is minimum, risk very
It is small, risk is small, risk is larger, risk is big；
Problem included by weight sets module according to inservice pressure vessel analytical factor collection, that is, analysis indexes system of foundation
It is the general objective layer of analysis, rule layer, indicator layer that each factor, which is divided into first layer,；
Comprehensive Evaluation result table module, have Fuzzy Analysis further according to analytical grade as a result, provides, analyzes in-service pressure and holds
Device multifactor failure risk size.
6. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that A/D turns
It changes unit to show the numerical value for the metal magnetic memory test unit detection that channel 1 is upsampled in LED charactrons, passes through change
The input information change in channel 1, display output reading；A/D converting unit specifically includes:
It is made of single-chip microcontroller, ADC0832, resistance, capacitor, charactron, crystal oscillator, triode, single-chip minimum system, single-chip microcontroller
P0 mouthfuls run in and hinder 200K and be connected with four charactrons, and charactron uses common anode charactron, connects power supply by triode, triode is logical
The resistance for crossing 1K is connected with P2.0, P2.1, P2.2, P2.3 of single-chip microcontroller mouth respectively, and the VCC of ADC0832 is connected with P3.4, CH0
It is connected by slide rheostat with power supply and ground connection, D0 is connect with D1 is connected to the port P3.5 jointly.
7. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that master control mould
Block includes: that EA, VCC connect power module, XTAL1 and the indirect 12MHZ crystal oscillator of XTAL2；XTAL1 and XTAL2 passes through 30pF electricity respectively
Holding ground connection, RST connects power supply by 220uF capacitor, and RST passes through 10K resistance eutral grounding, and P2.6 mouthfuls connect triode by 10K resistance, and three
Pole pipe connects power supply by buzzer.
8. laboratory reservoir pressure container quantitative analysis of pile defects device as described in claim 1, which is characterized in that GPRS is passed
Defeated unit is connect using serial ports with monitor terminal；It is realized using multichannel buffered serial port McBSP and enhanced memory asynchronous
Serial interface UART；Wherein, DR is connected with FSR, the level jump on data line is accessed the end FSR, when FSR detects data line
When first failing edge of previous frame, McBSP thinks frame synchronizing signal；The input terminal of DM642 digital signal processor；
GPRS transmission unit further passes through relay and is controlled, and regularly sends data.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112557931A (en) * | 2019-09-10 | 2021-03-26 | 中国科学院苏州纳米技术与纳米仿生研究所 | Device and method for detecting health degree of metal lithium battery |
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