CN105841662B - The sewage disposal system that can be monitored in real time - Google Patents
The sewage disposal system that can be monitored in real time Download PDFInfo
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- CN105841662B CN105841662B CN201610166003.1A CN201610166003A CN105841662B CN 105841662 B CN105841662 B CN 105841662B CN 201610166003 A CN201610166003 A CN 201610166003A CN 105841662 B CN105841662 B CN 105841662B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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Abstract
The invention discloses the sewage disposal systems that can be monitored in real time, including treatment tank and the intelligent monitor system being arranged on treatment tank, the system comprises monitoring modulars, data processing module, security state evaluation module, early warning and alarming module and emulation display module, wherein monitoring modular includes wireless sensor network, strain sensor assemblies and displacement sensor, data processing module includes acquisition central station, signal conditioner and signal transmitting apparatus, security state evaluation module includes microprocessor, early warning and alarming module includes analysis processor and alarm, emulating display module includes three-dimension GIS emulation platform.The present invention realizes the real time monitoring to treatment tank health, and the remaining life of sewage disposal system can be predicted according to monitoring data, accurate intelligence.
Description
Technical field
The present invention relates to sewage disposal system design fields, and in particular to the sewage disposal system that can be monitored in real time.
Background technology
Most of sewage disposal system in correlation technique can not be according to its own surplus of the data prediction of Sensor monitoring
The remaining service life.This defect causes sewage disposal system maintenance personnel to need to judge that sensor is fed back by the correlation experience of oneself
Data, reduce the promptness to sewage disposal system monitoring, while also considerably increase sewage disposal system maintenance personnel
Workload.
The content of the invention
In view of the above-mentioned problems, the present invention provides the sewage disposal system that can be monitored in real time.
The purpose of the present invention is realized using following technical scheme：
The sewage disposal system that can be monitored in real time, including treatment tank and the intellectual monitoring system for being arranged on treatment tank
System, the intelligent monitor system include：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage
The strain sensor assemblies and displacement sensor of each dangerous position of processing pond, the wireless sensor network all standing to sewage at
Reason pond health structure is monitored, meanwhile, network uses advanced physical message emerging system, to treatment tank health structure
Real-time perception；Institute's displacement sensors are for the working base point of monitoring dangerous position change in displacement and for checking work base
Three dimensions displacement monitoring, each dangerous position of the treatment tank, work are carried out based on the global datum mark of point stability
Make basic point and global datum mark is determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies bag
Performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer are included, the work is used should
Change sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning amplification including acquisition central station, the data being collected into acquisition central station
The signal conditioner of processing and the signal transmitting apparatus that the data of signal conditioner processing are transmitted；
(3) security state evaluation module, the security state evaluation module include the microprocessor of connection signal transmitting apparatus
The displacement data transmitted by signal transmitting apparatus be calculated between two time phase t by device, the microprocessor
Average displacement is poor, therefore first displacement difference is compensated since treatment tank has phenomenon of expanding with heat and contract with cold, then will be average
Displacement difference judges whether the average displacement difference is in a safe condition compared with regulation displacement difference threshold value, and according to strain
The monitoring data of sensor module for 24 hours are calculated, and obtain stress amplitude spectrum, the residue for calculating treatment tank is composed according to stress amplitude
Fatigue life, and by the remanent fatigue life compared with structure design fatigue life, judge the remanent fatigue life
It is whether in a safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)To be very big in the displacement data of previous time phase
The sum of value and minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+
T) it is the displacement data of previous time phase, w (i+2t) is the displacement data in latter time stage, and N is sampling number；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is choosing
Mean temperature in section of fixing time, T0For treatment tank location year-round average temperature；
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
Work as σx(i) ＜ σbWhen,
Wherein, σbFor the structural fatigue limit, σx(i)σxFor the hot spot stress range of each monitoring point i, n represents of monitoring point
Number, k are that the slope of the curve of fatigue is reciprocal, piFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBFor structure
Fatigue life is designed, in practical applications, can be influenced by treatment tank overload, therefore is dynamic change, and with overload
Variation using number of days is a nonlinear process, TB TAInitially to tie
Structure designs fatigue life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；Work as A
More than 0, the decision structure service life is in a safe condition, when A is less than or equal to 0, output alarm signal；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record data
Storehouse, the input terminal of the analysis processor connect the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module is emulated, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation is flat
Platform carries out emulation to the assessment result of security state evaluation module and shows, simulates the health status for the treatment of tank, simulation process
For：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, builds treatment tank respectively
The model of different component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain sensing
Device assembly and displacement sensor；
C, existed according to the result of safe condition module estimation to the defined color of dangerous position for being not at safe condition
It is shown on the interface of GIS platform.
Beneficial effects of the present invention are：It is connected by the structure of modules, realizes the dynamical health of sewage disposal system
Full-automatic monitoring, pinpoint the problems, solve the problems, such as early convenient for personnel；It proposes and is carried out with wireless sensor network at sewage
Pond health structure monitoring is managed, covering is wide, real-time；Fatigue life safety judgment formula is proposed, reduces the work of calculating
Amount improves the work efficiency of monitoring system；The calculation formula of average displacement is proposed, and average displacement is repaiied
Just, judged using average displacement compared with displacement threshold value, reduce the workload of calculating；Pair of strain sensors is into trip temperature
Compensation, improves the measurement accuracy of strain, and then improves the overall measurement accuracy of system；It is simulated using GIS emulation platforms dirty
The health status of water treating pond has the good effect that interface alternation is carried out with user.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structure diagram of the present invention.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1：The sewage disposal system that can be monitored in real time as shown in Figure 1 including treatment tank and is arranged on
The intelligent monitor system for the treatment of tank, the intelligent monitor system include：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage
The strain sensor assemblies and displacement sensor of each dangerous position of processing pond, the wireless sensor network all standing to sewage at
Reason pond health structure is monitored, meanwhile, network uses advanced physical message emerging system, to treatment tank health structure
Real-time perception；Institute's displacement sensors are for the working base point of monitoring dangerous position change in displacement and for checking work base
Three dimensions displacement monitoring, each dangerous position of the treatment tank, work are carried out based on the global datum mark of point stability
Make basic point and global datum mark is determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies bag
Performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer are included, the work is used should
Change sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning amplification including acquisition central station, the data being collected into acquisition central station
The signal conditioner of processing and the signal transmitting apparatus that the data of signal conditioner processing are transmitted；
(3) security state evaluation module；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record data
Storehouse, the input terminal of the analysis processor connect the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module is emulated, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation is flat
Platform carries out emulation to the assessment result of security state evaluation module and shows, simulates the health status for the treatment of tank, simulation process
For：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, builds treatment tank respectively
The model of different component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain sensing
Device assembly and displacement sensor；
C, existed according to the result of safe condition module estimation to the defined color of dangerous position for being not at safe condition
It is shown on the interface of GIS platform.
The security state evaluation module includes the microprocessor of connection signal transmitting apparatus, and the microprocessor will be by believing
It is poor that the displacement data of number transmitting device transmission carries out the average displacement being calculated between two time phase t, at sewage
Therefore reason pond, which has phenomenon of expanding with heat and contract with cold, will first compensate displacement difference, then by average displacement difference and regulation displacement difference threshold value
It is compared, judges whether the average displacement difference is in a safe condition, and the monitoring data according to strain sensor assemblies for 24 hours
It is calculated, obtains stress amplitude spectrum, the remanent fatigue life for calculating treatment tank is composed according to stress amplitude, and the residue is tired
The labor service life compared with structure design fatigue life, judges whether the remanent fatigue life is in a safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)To be very big in the displacement data of previous time phase
The sum of value and minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+
T) it is the displacement data of previous time phase, w (i+2t) is the displacement data in latter time stage, and N is sampling number；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is choosing
Mean temperature in section of fixing time, T0For treatment tank location year-round average temperature.
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
Work as σx(i) ＜ σbWhen,
Wherein, σbFor the structural fatigue limit, σx(i) hot spot stress range for being each monitoring point i, n represent the number of monitoring point, k
Reciprocal, the p for the slope of the curve of fatigueiFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBFor structure design
Fatigue life in practical applications, can be influenced by treatment tank overload, therefore be dynamic change, and as overload uses
The variation of number of days is a nonlinear process, TB TAIt is set for initial configuration
Count fatigue life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；When A is more than
0, the decision structure service life is in a safe condition, when A is less than or equal to 0, output alarm signal.
In this embodiment, connected by the structures of modules, realize sewage disposal system dynamical health it is complete
Automatic monitoring convenient for personnel is pinpointed the problems, solved the problems, such as early；It proposes and carries out treatment tank with wireless sensor network
Healthy structure monitoring, covering is wide, real-time；Fatigue life safety judgment formula is proposed, reduces the workload of calculating, carries
The high work efficiency of monitoring system；The calculation formula of average displacement is proposed, and average displacement is corrected, is used
Average displacement judges compared with displacement threshold value, reduces the workload of calculating；Pair of strain sensors carries out temperature-compensating, carries
The high measurement accuracy of strain, and then improve the overall measurement accuracy of system；Treatment tank is simulated using GIS emulation platforms
Health status, there is the good effect that interface alternation is carried out with user；Time phase t=24h, realizes treatment tank
The full-automatic monitoring of dynamical health, the overall measurement accuracy of system improve 15%.
Embodiment 2：The sewage disposal system that can be monitored in real time as shown in Figure 1 including treatment tank and is arranged on
The intelligent monitor system for the treatment of tank, the intelligent monitor system include：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage
The strain sensor assemblies and displacement sensor of each dangerous position of processing pond, the wireless sensor network all standing to sewage at
Reason pond health structure is monitored, meanwhile, network uses advanced physical message emerging system, to treatment tank health structure
Real-time perception；Institute's displacement sensors are for the working base point of monitoring dangerous position change in displacement and for checking work base
Three dimensions displacement monitoring, each dangerous position of the treatment tank, work are carried out based on the global datum mark of point stability
Make basic point and global datum mark is determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies bag
Performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer are included, the work is used should
Change sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning amplification including acquisition central station, the data being collected into acquisition central station
The signal conditioner of processing and the signal transmitting apparatus that the data of signal conditioner processing are transmitted；
(3) security state evaluation module；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record data
Storehouse, the input terminal of the analysis processor connect the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module is emulated, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation is flat
Platform carries out emulation to the assessment result of security state evaluation module and shows, simulates the health status for the treatment of tank, simulation process
For：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, builds treatment tank respectively
The model of different component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain sensing
Device assembly and displacement sensor；
C, existed according to the result of safe condition module estimation to the defined color of dangerous position for being not at safe condition
It is shown on the interface of GIS platform.
The security state evaluation module includes the microprocessor of connection signal transmitting apparatus, and the microprocessor will be by believing
It is poor that the displacement data of number transmitting device transmission carries out the average displacement being calculated between two time phase t, at sewage
Therefore reason pond, which has phenomenon of expanding with heat and contract with cold, will first compensate displacement difference, then by average displacement difference and regulation displacement difference threshold value
It is compared, judges whether the average displacement difference is in a safe condition, and the monitoring data according to strain sensor assemblies for 24 hours
It is calculated, obtains stress amplitude spectrum, the remanent fatigue life for calculating treatment tank is composed according to stress amplitude, and the residue is tired
The labor service life compared with structure design fatigue life, judges whether the remanent fatigue life is in a safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)To be very big in the displacement data of previous time phase
The sum of value and minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+
T) it is the displacement data of previous time phase, w (i+2t) is the displacement data in latter time stage, and N is sampling number；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is choosing
Mean temperature in section of fixing time, T0For treatment tank location year-round average temperature；
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
Work as σx(i) ＜ σbWhen,
Wherein, σbFor the structural fatigue limit, σx(i)σxFor the hot spot stress range of each monitoring point i, n represents of monitoring point
Number, k are that the slope of the curve of fatigue is reciprocal, piFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBFor structure
Fatigue life is designed, in practical applications, can be influenced by treatment tank overload, therefore is dynamic change, and with overload
Variation using number of days is a nonlinear process, TB TAInitially to tie
Structure designs fatigue life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；Work as A
More than 0, the decision structure service life is in a safe condition, when A is less than or equal to 0, output alarm signal.
In this embodiment, connected by the structures of modules, realize sewage disposal system dynamical health it is complete
Automatic monitoring convenient for personnel is pinpointed the problems, solved the problems, such as early；It proposes and carries out treatment tank with wireless sensor network
Healthy structure monitoring, covering is wide, real-time；Fatigue life safety judgment formula is proposed, reduces the workload of calculating, carries
The high work efficiency of monitoring system；The calculation formula of average displacement is proposed, and average displacement is corrected, is used
Average displacement judges compared with displacement threshold value, reduces the workload of calculating；Pair of strain sensors carries out temperature-compensating, carries
The high measurement accuracy of strain, and then improve the overall measurement accuracy of system；Treatment tank is simulated using GIS emulation platforms
Health status, there is the good effect that interface alternation is carried out with user；Time phase t=28h, realizes treatment tank
The full-automatic monitoring of dynamical health, the overall measurement accuracy of system improve 17%.
Embodiment 3：The sewage disposal system that can be monitored in real time as shown in Figure 1 including treatment tank and is arranged on
The intelligent monitor system for the treatment of tank, the intelligent monitor system include：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage
The strain sensor assemblies and displacement sensor of each dangerous position of processing pond, the wireless sensor network all standing to sewage at
Reason pond health structure is monitored, meanwhile, network uses advanced physical message emerging system, to treatment tank health structure
Real-time perception；Institute's displacement sensors are for the working base point of monitoring dangerous position change in displacement and for checking work base
Three dimensions displacement monitoring, each dangerous position of the treatment tank, work are carried out based on the global datum mark of point stability
Make basic point and global datum mark is determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies bag
Performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer are included, the work is used should
Change sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning amplification including acquisition central station, the data being collected into acquisition central station
The signal conditioner of processing and the signal transmitting apparatus that the data of signal conditioner processing are transmitted；
(3) security state evaluation module；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record data
Storehouse, the input terminal of the analysis processor connect the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module is emulated, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation is flat
Platform carries out emulation to the assessment result of security state evaluation module and shows, simulates the health status for the treatment of tank, simulation process
For：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, builds treatment tank respectively
The model of different component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain sensing
Device assembly and displacement sensor；
C, existed according to the result of safe condition module estimation to the defined color of dangerous position for being not at safe condition
It is shown on the interface of GIS platform.
The security state evaluation module includes the microprocessor of connection signal transmitting apparatus, and the microprocessor will be by believing
It is poor that the displacement data of number transmitting device transmission carries out the average displacement being calculated between two time phase t, at sewage
Therefore reason pond, which has phenomenon of expanding with heat and contract with cold, will first compensate displacement difference, then by average displacement difference and regulation displacement difference threshold value
It is compared, judges whether the average displacement difference is in a safe condition, and the monitoring data according to strain sensor assemblies for 24 hours
It is calculated, obtains stress amplitude spectrum, the remanent fatigue life for calculating treatment tank is composed according to stress amplitude, and the residue is tired
The labor service life compared with structure design fatigue life, judges whether the remanent fatigue life is in a safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)To be very big in the displacement data of previous time phase
The sum of value and minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+
T) it is the displacement data of previous time phase, w (i+2t) is the displacement data in latter time stage, and N is sampling number；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is choosing
Mean temperature in section of fixing time, T0For treatment tank location year-round average temperature；
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
Work as σx(i) ＜ σbWhen,
Wherein, σbFor the structural fatigue limit, σx(i)σxFor the hot spot stress range of each monitoring point i, n represents of monitoring point
Number, k are that the slope of the curve of fatigue is reciprocal, piFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBFor structure
Fatigue life is designed, in practical applications, can be influenced by treatment tank overload, therefore is dynamic change, and with overload
Variation using number of days is a nonlinear process, TB TAInitially to tie
Structure designs fatigue life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；Work as A
More than 0, the decision structure service life is in a safe condition, when A is less than or equal to 0, output alarm signal.
In this embodiment, connected by the structures of modules, realize sewage disposal system dynamical health it is complete
Automatic monitoring convenient for personnel is pinpointed the problems, solved the problems, such as early；It proposes and carries out treatment tank with wireless sensor network
Healthy structure monitoring, covering is wide, real-time；Fatigue life safety judgment formula is proposed, reduces the workload of calculating, carries
The high work efficiency of monitoring system；The calculation formula of average displacement is proposed, and average displacement is corrected, is used
Average displacement judges compared with displacement threshold value, reduces the workload of calculating；Pair of strain sensors carries out temperature-compensating, carries
The high measurement accuracy of strain, and then improve the overall measurement accuracy of system；Treatment tank is simulated using GIS emulation platforms
Health status, there is the good effect that interface alternation is carried out with user；Time phase t=32h, realizes treatment tank
The full-automatic monitoring of dynamical health, the overall measurement accuracy of system improve 18%.
Embodiment 4：The sewage disposal system that can be monitored in real time as shown in Figure 1 including treatment tank and is arranged on
The intelligent monitor system for the treatment of tank, the intelligent monitor system include：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage
The strain sensor assemblies and displacement sensor of each dangerous position of processing pond, the wireless sensor network all standing to sewage at
Reason pond health structure is monitored, meanwhile, network uses advanced physical message emerging system, to treatment tank health structure
Real-time perception；Institute's displacement sensors are for the working base point of monitoring dangerous position change in displacement and for checking work base
Three dimensions displacement monitoring, each dangerous position of the treatment tank, work are carried out based on the global datum mark of point stability
Make basic point and global datum mark is determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies bag
Performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer are included, the work is used should
Change sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning amplification including acquisition central station, the data being collected into acquisition central station
The signal conditioner of processing and the signal transmitting apparatus that the data of signal conditioner processing are transmitted；
(3) security state evaluation module；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record data
Storehouse, the input terminal of the analysis processor connect the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module is emulated, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation is flat
Platform carries out emulation to the assessment result of security state evaluation module and shows, simulates the health status for the treatment of tank, simulation process
For：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, builds treatment tank respectively
The model of different component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain sensing
Device assembly and displacement sensor；
C, existed according to the result of safe condition module estimation to the defined color of dangerous position for being not at safe condition
It is shown on the interface of GIS platform.
The security state evaluation module includes the microprocessor of connection signal transmitting apparatus, and the microprocessor will be by believing
It is poor that the displacement data of number transmitting device transmission carries out the average displacement being calculated between two time phase t, at sewage
Therefore reason pond, which has phenomenon of expanding with heat and contract with cold, will first compensate displacement difference, then by average displacement difference and regulation displacement difference threshold value
It is compared, judges whether the average displacement difference is in a safe condition, and the monitoring data according to strain sensor assemblies for 24 hours
It is calculated, obtains stress amplitude spectrum, the remanent fatigue life for calculating treatment tank is composed according to stress amplitude, and the residue is tired
The labor service life compared with the structure design service life, judges whether the remanent fatigue life is in a safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)To be very big in the displacement data of previous time phase
The sum of value and minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+
T) it is the displacement data of previous time phase, w (i+2t) is the displacement data in latter time stage, and N is sampling number；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is choosing
Mean temperature in section of fixing time, T0For treatment tank location year-round average temperature；
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
Work as σx(i) ＜ σbWhen,
Wherein, σbFor the structural fatigue limit, σx(i) hot spot stress range for being each monitoring point i, n represent the number of monitoring point, k
Reciprocal, the p for the slope of the curve of fatigueiFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBFor structure design
Fatigue life in practical applications, can be influenced by treatment tank overload, therefore be dynamic change, and as overload uses
The variation of number of days is a nonlinear process, TB TAIt is set for initial configuration
Count fatigue life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；When A is more than
0, the decision structure service life is in a safe condition, when A is less than or equal to 0, output alarm signal.
In this embodiment, connected by the structures of modules, realize sewage disposal system dynamical health it is complete
Automatic monitoring convenient for personnel is pinpointed the problems, solved the problems, such as early；It proposes and carries out treatment tank with wireless sensor network
Healthy structure monitoring, covering is wide, real-time；Fatigue life safety judgment formula is proposed, reduces the workload of calculating, carries
The high work efficiency of monitoring system；The calculation formula of average displacement is proposed, and average displacement is corrected, is used
Average displacement judges compared with displacement threshold value, reduces the workload of calculating；Pair of strain sensors carries out temperature-compensating, carries
The high measurement accuracy of strain, and then improve the overall measurement accuracy of system；Treatment tank is simulated using GIS emulation platforms
Health status, there is the good effect that interface alternation is carried out with user；Time phase t=36h, realizes treatment tank
The full-automatic monitoring of dynamical health, the overall measurement accuracy of system improve 20%.
Embodiment 5：The sewage disposal system that can be monitored in real time as shown in Figure 1 including treatment tank and is arranged on
The intelligent monitor system for the treatment of tank, the intelligent monitor system include：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage
The strain sensor assemblies and displacement sensor of each dangerous position of processing pond, the wireless sensor network all standing to sewage at
Reason pond health structure is monitored, meanwhile, network uses advanced physical message emerging system, to treatment tank health structure
Real-time perception；Institute's displacement sensors are for the working base point of monitoring dangerous position change in displacement and for checking work base
Three dimensions displacement monitoring, each dangerous position of the treatment tank, work are carried out based on the global datum mark of point stability
Make basic point and global datum mark is determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies bag
Performance parameters and completely identical in structure work strain transducer and temperature-compensating strain transducer are included, the work is used should
Change sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning amplification including acquisition central station, the data being collected into acquisition central station
The signal conditioner of processing and the signal transmitting apparatus that the data of signal conditioner processing are transmitted；
(3) security state evaluation module；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record data
Storehouse, the input terminal of the analysis processor connect the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module is emulated, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation is flat
Platform carries out emulation to the assessment result of security state evaluation module and shows, simulates the health status for the treatment of tank, simulation process
For：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, builds treatment tank respectively
The model of different component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain sensing
Device assembly and displacement sensor；
C, existed according to the result of safe condition module estimation to the defined color of dangerous position for being not at safe condition
It is shown on the interface of GIS platform.
The security state evaluation module includes the microprocessor of connection signal transmitting apparatus, and the microprocessor will be by believing
It is poor that the displacement data of number transmitting device transmission carries out the average displacement being calculated between two time phase t, at sewage
Therefore reason pond, which has phenomenon of expanding with heat and contract with cold, will first compensate displacement difference, then by average displacement difference and regulation displacement difference threshold value
It is compared, judges whether the average displacement difference is in a safe condition, and the monitoring data according to strain sensor assemblies for 24 hours
It is calculated, obtains stress amplitude spectrum, the remanent fatigue life for calculating treatment tank is composed according to stress amplitude, and the residue is tired
The labor service life compared with structure design fatigue life, judges whether the remanent fatigue life is in a safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)To be very big in the displacement data of previous time phase
The sum of value and minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+
T) it is the displacement data of previous time phase, w (i+2t) is the displacement data in latter time stage, and N is sampling number；；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is choosing
Mean temperature in section of fixing time, T0For treatment tank location year-round average temperature；
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
Work as σx(i) ＜ σbWhen,
Wherein, σbFor the structural fatigue limit, σx(i)σxFor the hot spot stress range of each monitoring point i, n represents of monitoring point
Number, k are that the slope of the curve of fatigue is reciprocal, piFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBFor structure
Fatigue life is designed, in practical applications, can be influenced by treatment tank overload, therefore is dynamic change, and with overload
Variation using number of days is a nonlinear process, TB TAInitially to tie
Structure designs fatigue life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；Work as A
More than 0, the decision structure service life is in a safe condition, when A is less than or equal to 0, output alarm signal.
In this embodiment, connected by the structures of modules, realize sewage disposal system dynamical health it is complete
Automatic monitoring convenient for personnel is pinpointed the problems, solved the problems, such as early；It proposes and carries out treatment tank with wireless sensor network
Healthy structure monitoring, covering is wide, real-time；Fatigue life safety judgment formula is proposed, reduces the workload of calculating, carries
The high work efficiency of monitoring system；The calculation formula of average displacement is proposed, and average displacement is corrected, is used
Average displacement judges compared with displacement threshold value, reduces the workload of calculating；Pair of strain sensors carries out temperature-compensating, carries
The high measurement accuracy of strain, and then improve the overall measurement accuracy of system；Treatment tank is simulated using GIS emulation platforms
Health status, there is the good effect that interface alternation is carried out with user；Time phase t=40h, realizes treatment tank
The full-automatic monitoring of dynamical health, the overall measurement accuracy of system improve 21%.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (1)
1. the sewage disposal system that can be monitored in real time, it is characterized in that, including treatment tank and the intelligence for being arranged on treatment tank
System can be monitored, the intelligent monitor system includes：
(1) monitoring modular, including treatment tank health is monitored wireless sensor network, for monitoring sewage disposal
The strain sensor assemblies and displacement sensor of each dangerous position in pond, the wireless sensor network all standing is to treatment tank
Healthy structure is monitored, meanwhile, network uses advanced physical message emerging system, to the reality for the treatment of tank health structure
When perceive；Institute's displacement sensors are for monitoring the working base point of dangerous position change in displacement and steady for checking working base point
Three dimensions displacement monitoring, each dangerous position, the work base of the treatment tank are qualitatively carried out based on global datum mark
Point and global datum mark are determined by carrying out FEM Simulation to treatment tank；The strain sensor assemblies include ginseng
Number performance and completely identical in structure work strain transducer and temperature-compensating strain transducer, the work are passed with strain
Sensor and temperature-compensating are arranged at after being connected with strain transducer on each dangerous position for the treatment of tank；
(2) data processing module carries out conditioning enhanced processing including acquisition central station, the data being collected into acquisition central station
Signal conditioner and the signal transmitting apparatus that is transmitted of data to signal conditioner processing；
(3) security state evaluation module, the security state evaluation module include the microprocessor of connection signal transmitting apparatus, institute
State the average bit that the displacement data transmitted by signal transmitting apparatus be calculated between two time phase t by microprocessor
It is poor to move, and therefore first displacement difference is compensated since treatment tank has phenomenon of expanding with heat and contract with cold, then that average displacement is poor
Compared with regulation displacement difference threshold value, judge whether the average displacement difference is in a safe condition, and according to strain transducer
The monitoring data of component for 24 hours are calculated, and obtain stress amplitude spectrum, the residual fatigue longevity for calculating treatment tank is composed according to stress amplitude
Life, and by the remanent fatigue life compared with structure design fatigue life, judge whether the remanent fatigue life is located
In safe condition；
A, the calculation formula of average displacement difference Δ s is：
Wherein, 0.5h is taken as sampling time interval, max＆min(i+t)For the maximum in the displacement data of previous time phase and
The sum of minimum, max＆min(i+2t)For the sum of the maximum in the displacement data in latter time stage and minimum, w (i+t) is
The displacement data of previous time phase, w (i+2t) are the displacement data in latter time stage, and N is sampling number；
B, the coefficient of expansion is set as α, and revised average displacement difference is：
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Wherein, α1, α2..., αnFor the material temperature coefficient of expansion of each dangerous position, a1, a2..., anFor coefficient, T is when selecting
Between mean temperature in section, T0For treatment tank location year-round average temperature；
C, the judgment formula of service life security evaluation is：
Work as σx(i)≥σbWhen,
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Wherein, σbFor the structural fatigue limit, σx(i)σxFor the hot spot stress range of each monitoring point i, n represents the number of monitoring point, and k is
The slope of the curve of fatigue is reciprocal, piFor in the actual Cyclic Stress coefficient undergone of hot spot stress range lower structure, TBIt is tired for structure design
The labor service life in practical applications, can be influenced by treatment tank overload, therefore be dynamic change, and as overload uses day
Several variations is a nonlinear process,TAIt is designed for initial configuration tired
Labor service life, dzRepresent that treatment tank overall design uses number of days, dgRepresent that treatment tank overload uses number of days；When A be more than 0, sentence
It is in a safe condition to determine structural life-time, when A is less than or equal to 0, output alarm signal；
(4) early warning and alarming module, including for preventing the analysis processor of false alarm, alarm and information record database,
The input terminal of the analysis processor connects the microprocessor, and the output terminal of analysis processor connects the alarm；
(5) display module, including the three-dimension GIS emulation platform being connected with microprocessor, the three-dimension GIS emulation platform pair are emulated
The assessment result of security state evaluation module carries out emulation and shows, simulates the health status for the treatment of tank, and simulation process is：
A, GIS platform is imported after the modeling for the treatment of tank is carried out using finite element software, it is different to build treatment tank respectively
The model of component adjusts the spatial position of each treatment tank component in GIS platform；
B, by different shape symbols in GIS platform each dangerous position of simulative display treatment tank, strain transducer group
Part and displacement sensor；
C, the dangerous position for being not at safe condition is put down with defined color in GIS according to the result of safe condition module estimation
It is shown on the interface of platform.
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| CN101509855A (en) * | 2009-03-17 | 2009-08-19 | 华东理工大学 | On-line prediction method for high-temperature pipe damage and longevity |
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